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CN109378888B - Centralized high-voltage rectifying electric current distribution charging heap - Google Patents

Centralized high-voltage rectifying electric current distribution charging heap Download PDF

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Publication number
CN109378888B
CN109378888B CN201811546901.5A CN201811546901A CN109378888B CN 109378888 B CN109378888 B CN 109378888B CN 201811546901 A CN201811546901 A CN 201811546901A CN 109378888 B CN109378888 B CN 109378888B
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China
Prior art keywords
voltage
port
phase
output
control
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Application number
CN201811546901.5A
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Chinese (zh)
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CN109378888A (en
Inventor
马英
欧阳峰
鲍明
谭钧升
谭清远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING HENGSHUN NEW ENERGY TECHNOLOGY Co.,Ltd.
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Liaoning Hengshun New Energy Technology Co Ltd
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Priority to CN201811546901.5A priority Critical patent/CN109378888B/en
Publication of CN109378888A publication Critical patent/CN109378888A/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/027—
    • H02J2007/10—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)

Abstract

Centralized high-voltage rectifying electric current distribution charging heap belongs to middle straightening stream constant-pressure flow regulating charging technique field more particularly to a kind of centralized high-voltage rectifying electric current distribution charging heap.The present invention provides a kind of safe and reliable centralized high-voltage rectifying electric current distribution charging heap.The present invention includes high voltage protective unit, high-voltage rectifying transformer unit, high-voltage rectifying unit and charging pile group current distribution unit; the output port of its structural feature high voltage protective unit is connected with the input port of high-voltage rectifying transformer unit; the output port of high-voltage rectifying transformer unit is connected with the input port of high-voltage rectifying unit, and the output port of high-voltage rectifying unit is connected with the input port of charging pile group current distribution unit.

Description

Centralized high-voltage rectifying electric current distribution charging heap
Technical field
The invention belongs to middle straightening stream constant-pressure flow regulating charging technique field more particularly to a kind of centralized high-voltage rectifying electric currents Distribution charging heap.
Background technique
With the high speed development of new-energy automobile, people pay close attention to the charging technique of new-energy automobile further, therefore have Necessity researches and develops a kind of safe and reliable charging equipment.
Summary of the invention
The present invention addresses the above problem, provides a kind of safe and reliable centralized high-voltage rectifying electric current distribution charging Heap.
To achieve the above object, the present invention adopts the following technical scheme that, the present invention includes high voltage protective unit, high-voltage rectifying Transformer unit, high-voltage rectifying unit and charging pile group current distribution unit, the output end of structural feature high voltage protective unit Mouth is connected with the input port of high-voltage rectifying transformer unit, the output port and high-voltage rectifying list of high-voltage rectifying transformer unit The input port of member is connected, and the output port of high-voltage rectifying unit is connected with the input port of charging pile group current distribution unit.
As a preferred embodiment, the output port of high-voltage rectifying transformer unit of the present invention exports 12 pulse waves 840V/1500A pulse voltage.
As another preferred embodiment, in the output port output 750V/1500A of high-voltage rectifying unit of the present invention Straightening stream.
As another preferred embodiment, charging pile group current distribution unit of the present invention includes multiple charging piles, is respectively filled Electric stake is in parallel, and each charging pile electrical energy inputs are connected with the output port of high-voltage rectifying unit.
As another preferred embodiment, the output port of high-voltage rectifying unit of the present invention passes through closing busbar and charging Stake electrical energy inputs are connected.
As another preferred embodiment, high voltage protective unit of the present invention includes incoming line cabinet, metering cabinet, PT cabinet, used Transformer and outgoing line cabinet, the input of the output end and metering cabinet of incoming line cabinet terminate a bus, and the output of metering cabinet terminates PT cabinet Input terminal, the output of PT cabinet terminates secondary bus, the secondary bus input with the input terminal of house transformer, outgoing line cabinet respectively End is connected, the input terminal of the output termination high-voltage rectifying transformer unit of outgoing line cabinet.
As another preferred embodiment, the invention also includes micro-capacitance sensor power supply system, the electric energy of micro-capacitance sensor power supply system is defeated Outlet is connected with secondary bus.
As another preferred embodiment, the rectifier transformer pair side of high-voltage rectifying transformer unit of the present invention is used Star, triangle output-parallel structure.
As another preferred embodiment, the turn ratio of rectifier transformer first winding and secondary winding of the present invention is 1: 1: 3, wherein secondary winding star structure is 1, delta connection structure 3.
As another preferred embodiment, the iron core of rectifier transformer of the present invention uses silicon steel sheet 30Q130, using 45 ° Full bias seam is without latitude glass tape binding structure.
As another preferred embodiment, micro-capacitance sensor power supply system of the present invention includes master switch, step-up transformer, first opens Pass, photovoltaic DC-to-AC converter, photovoltaic module, second switch, blower inverter, wind-driven generator, third switch, energy storage inverter, storage Energy battery, the 4th switch and Active Power Filter-APF, master switch one terminate secondary bus, the master switch other end and step-up transformer Output end is connected, and step-up transformer input terminal switchs one end, the 4th with first switch one end, second switch one end, third respectively It switchs one end to be connected, first switch one end other end is connected with the output end of photovoltaic DC-to-AC converter, the input termination of photovoltaic DC-to-AC converter The output end of photovoltaic module；
Second switch one end other end is connected with the output end of blower inverter, the input terminal of blower inverter give a dinner for a visitor from afar power hair The output end of motor；
Third switchs one end other end and is connected with the output end of energy storage inverter, the input termination energy storage electricity of energy storage inverter Pond；
One end is another is terminated with active power filter for 4th switch.
As another preferred embodiment, high-voltage rectifying transformer unit of the present invention includes high-pressure side winding, low-pressure side Star parallel winding and low-pressure side triangle parallel winding.
As another preferred embodiment, high-voltage rectifying transformer unit of the present invention further includes detection low-pressure side voltage Voltage sensor, the signal output port of voltage sensor are connected with the detection signal input port of controller, the control of controller Signal output port processed is connected with the control signal input mouth for the tap changer for adjusting high-pressure side umber of turn.
As another preferred embodiment, when controller of the present invention detects low-pressure side voltage lower than voltage rating 10%, Controller controls the number of turns that tap changer reduces high-pressure side winding.
As another preferred embodiment, high-pressure side winding of the present invention includes U phase winding, V phase winding and W phase winding, pressure regulation Switching group includes the first tap changer of U phase, the second tap changer of U phase, the first tap changer of V phase, the second tap changer of V phase, W phase First tap changer, the second tap changer of W phase,
U phase winding centre cap is U phase input terminal and adjusts respectively with the first terminals of the first tap changer of W phase, W phase second First terminals that compress switch are connected；
V phase winding centre cap is V phase input terminal and adjusts respectively with the first terminals of the first tap changer of U phase, U phase second First terminals that compress switch are connected；
W phase winding centre cap is W phase input terminal and adjusts respectively with the first terminals of the first tap changer of V phase, V phase second First terminals that compress switch are connected；
The second wiring of the first tap changer of U phase terminates U phase winding one end, another the second tap changer of termination U phase of U phase winding Second terminals；
The second wiring of the first tap changer of V phase terminates V phase winding one end, another the second tap changer of termination V phase of V phase winding Second terminals；
The second wiring of the first tap changer of W phase terminates W phase winding one end, another the second tap changer of termination W phase of W phase winding Second terminals.
As another preferred embodiment, low-pressure side star parallel winding of the present invention includes 2a winding, 2b winding and 2c Winding, low-pressure side triangle parallel winding include 3a winding, 3b winding and 3c winding, 2a winding one end, 2b winding one end, 2c around Group one end is connected, and the 2a winding other end, the 2b winding other end, the 2c winding other end are electric energy output end；
3a winding one end is electric energy output end and be connected with 3c winding one end, the 3c winding other end for electric energy output end and with 3b winding one end is connected, and the 3b winding other end is electric energy output end and is connected with the 3a winding other end.
As another preferred embodiment, high-voltage rectifying unit of the present invention uses T1 high-voltage rectifier bridge (1) and T2 high pressure The output of the input terminal and high-voltage rectifying transformer unit of rectifier bridge (2), T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2) End is connected；
Or use pulse wave rectifier circuit, the output end phase of the input terminal and high-voltage rectifying transformer unit of pulse wave rectifier circuit Even.
As another preferred embodiment, pulse wave rectifier circuit of the present invention includes diode V7~V12, and diode V1~ V6, diode V7 anode are connected with 2a winding electric energy output end, diode V8 cathode respectively, diode V7 cathode respectively with two poles Pipe V9 cathode, diode V12 cathode, pulse wave rectifier circuit output anode, diode V1 cathode, diode V3 cathode, diode V5 cathode is connected；
Diode V8 anode is positive with diode V10 anode, diode V11 anode, diode V2 anode, diode V4 respectively Pole, diode V6 anode, pulse wave rectifier circuit output cathode are connected；
Diode V10 cathode is connected with 2b winding electric energy output end, diode V9 anode respectively, diode V11 cathode point It is not connected with 2c winding electric energy output end, diode V12 anode；
Diode V1 anode is connected with 3a winding electric energy output end, diode V2 cathode respectively, diode V3 anode difference Be connected with 3b winding electric energy output end, diode V4 cathode, diode V5 anode respectively with 3c winding electric energy output end, diode V6 cathode is connected.
As another preferred embodiment, T1 high-voltage rectifier bridge (1) of the present invention and T2 high-voltage rectifier bridge (2), T1 high pressure Rectifier bridge (1) includes L, K, J, I, H, G arm, and T2 high-voltage rectifier bridge (2) includes F, E, D, C, B, A arm；L, K arm one terminates 2a winding Electric energy output end, another termination negative pole of output end of L arm, another termination output head anode of K arm；
J, I arm one terminates 2b winding electric energy output end, and another termination negative pole of output end of J arm, another termination output end of I arm is just Pole；
H, G arm one terminates 2c winding electric energy output end, and another termination negative pole of output end of H arm, another termination output end of G arm is just Pole；
F, E arm one terminates 3a winding electric energy output end, and another termination negative pole of output end of F arm, another termination output end of E arm is just Pole；
D, C arm one terminates 3b winding electric energy output end, and another termination negative pole of output end of D arm, another termination output end of C arm is just Pole；
B, A arm one terminates 3c winding electric energy output end, and another termination negative pole of output end of B arm, another termination output end of A arm is just Pole.
As another preferred embodiment, L arm of the present invention is connected by diode V12-1~2 and fuse FU12-1~2 Composition；
K arm is composed in series by diode V11-1~2 and fuse FU11-1~2；
J arm is composed in series by diode V10-1~2 and fuse FU10-1~2；
I arm is composed in series by diode V9-1~2 and fuse FU19-1~2；
H arm is composed in series by diode V8-1~2 and fuse FU8-1~2；
G arm is composed in series by diode V7-1~2 and fuse FU7-1~2；
F arm is composed in series by diode V6-1~2 and fuse FU6-1~2；
E arm is composed in series by diode V5-1~2 and fuse FU5-1~2；
D arm is composed in series by diode V4-1~2 and fuse FU4-1~2；
C arm is composed in series by diode V3-1~2 and fuse FU13-1~2；
B arm is composed in series by diode V2-1~2 and fuse FU2-1~2；
A arm is composed in series by diode V11-1~2 and fuse FU1-1~2.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes that commutation spike absorbs fusing electricity Road, commutation spike absorb Zapping circuit and are connected with the arm of high-voltage rectifier bridge.
As another preferred embodiment, it includes resistance that the commutation spike that the present invention is connect with K arm, which absorbs Zapping circuit, The one end R11, resistance R11 is connected with K arm, diode V11-3 anode, diode V11-2 anode, diode V11-1 anode respectively, The resistance R11 other end passes sequentially through capacitor C11, fuse FU21 connects the end L+, and the signal output end of fuse FU21 meets PLC CPU The detection signal input port of control unit；
Diode V11-3 cathode connects the end L+ by fuse FU11-3, and diode V11-2 cathode passes through fuse FU11-2 It connects the end L+, diode V11-31 cathode and the end L+ is connect by fuse FU11-1；
The detection with the one end resistance R81-3, fast fusing alarm trip unit respectively of fuse FU11-3 signal output end Signal input port is connected, and resistance R81-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The detection with the one end resistance R81-2, fast fusing alarm trip unit respectively of fuse FU11-2 signal output end Signal input port is connected, and resistance R81-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The detection with the one end resistance R81-1, fast fusing alarm trip unit respectively of fuse FU11-1 signal output end Signal input port is connected, and resistance R81-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
As another preferred embodiment, it includes resistance R1 that the commutation spike that the present invention is connect with A arm, which absorbs Zapping circuit, The one end resistance R1 is connected with A arm, diode V1-3 anode, diode V1-2 anode, diode V1-1 anode respectively, and resistance R1 is another One end passes sequentially through capacitor C1, fuse FU21 connects the end L+, and the signal output end of fuse FU21 connects PLC CPU control unit Detect signal input port；
Diode V1-3 cathode connects the end L+ by fuse FU1-3, and diode V1-2 cathode meets L+ by fuse FU1-2 End, diode V1-31 cathode connect the end L+ by fuse FU1-1；
Detection of the fuse FU1-3 signal output end respectively with the one end resistance R71-3, fast fusing alarm trip unit is believed Number input port is connected, and resistance R71-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Detection of the fuse FU1-2 signal output end respectively with the one end resistance R71-2, fast fusing alarm trip unit is believed Number input port is connected, and resistance R71-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Detection of the fuse FU1-1 signal output end respectively with the one end resistance R71-1, fast fusing alarm trip unit is believed Number input port is connected, and resistance R71-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
As another preferred embodiment, PLC CPU control unit of the present invention includes CPU226 A1, the end .0 of A1 and The signal output end of 1.4 termination fuse FU21.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes touch screen ethernet module unit.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes switching overvoltage absorptive unit, behaviour Making overvoltage absorptive unit includes varistor RV1~6, and varistor RV1 connects 2a winding power output by fuse FU41 End, varistor RV2 connect 2b winding electric energy output end by fuse FU42, and varistor RV3 meets 2c by fuse FU43 Winding electric energy output end, the detection signal that the signal output end of fuse 41~43 connects fast molten fusing alarm trip unit respectively are defeated The detection letter for detecting signal input port, PLC CPU control unit of inbound port, bridge arm temperature alarm bridge arm overheat trip unit Number input port is connected；
Varistor RV4 connects 3a winding electric energy output end by fuse FU44, and varistor RV5 passes through fuse FU45 3b winding electric energy output end is connect, varistor RV6 connects 3c winding electric energy output end by fuse FU46, fuse 44~46 Signal output end connects the detection signal input port of fast fusing alarm trip unit respectively, bridge arm temperature alarm bridge arm overheat is jumped The detection signal input port of lock unit, the detection signal input port of PLC CPU control unit are connected.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes overvoltage of direct current absorptive unit, directly Flowing through voltage absorptive unit includes resistance R31, the R32 and DC voltage sampling module being connected in parallel, and resistance R31 and R32 are in parallel Circuit on one side is connected with the end L+, the one end fuse FU53 respectively, the fuse FU53 other end respectively with the one end varistor RV13, Resistance R91 is connected with R92 parallel circuit one end, resistance R91 and R92 the parallel circuit other end and the parallel circuit of capacitor C41~45 One end be connected, the parallel circuit of capacitor C41~45 other end respectively with the varistor RV13 other end, the one end fuse FU54 phase Even, the fuse FU54 other end is connected with the resistance R31 and R32 parallel circuit other end, the end L- respectively；Fuse FU53 and FU54 Signal output port respectively with the detection signal input port of fast molten fusing alarm trip unit, bridge arm temperature alarm bridge arm mistake The detection signal input port of thermal tripping unit, the detection signal input port of PLC CPU control unit are connected；
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes DC voltage sampling unit, direct current Voltage sampling unit includes DC voltage sampling module, and the detection input first port of DC voltage sampling module passes through fuse FU55, FU56 are connected with the end L+, the end L-, and the detection input second port of DC voltage sampling module is connected with the end L2+, the end L2-, The detection signal output port of DC voltage sampling module is connected with the detection signal input port of PLC unit.
As another preferred embodiment, PLC unit of the present invention uses EM231 A3, and A+, A- foot of A3 connects direct current Press the detection signal output port of sampling module.
As another preferred embodiment, bridge arm temperature alarm bridge arm overheat trip unit of the present invention includes QBBJ04 19 feet of P2, P2 respectively with L arm, J arm, H arm, F arm, D arm, B arm, the one end switch L105, the one end switch J105, switch H105 mono- End, the one end switch F105, the one end switch D105, the one end switch B105 be connected, the switch L105 other end, the switch J105 other end, The switch H105 other end, the switch F105 other end, the switch D105 other end, the switch B105 other end respectively with 18~13 feet of P2 It is corresponding to be connected；
1~6 foot of P2 respectively with the one end switch A105, the one end switch C105, the one end switch E105, the one end switch G105, The one end switch I105, the one end switch K105 are corresponding connected, and the switch A105 other end, the switch C105 other end, switch E105 are another End, the switch G105 other end, the switch I105 other end, the switch K105 other end are corresponding with A, C, E, G, I, K arm respectively to be connected, A, C, E, G, I, K arm connect 7 feet of P2；8 feet of P2 connect the end .3 of A1.
As another preferred embodiment, bridge arm temperature alarm bridge arm overheat trip unit of the present invention includes QBBJ04 11,12 feet of P3, P3 are corresponding with 11,12 feet of P2 respectively to be connected；
19 feet of P3 respectively with L arm, J arm, H arm, F arm, D arm, B arm, the one end switch L115, the one end switch J115, switch The one end H115, the one end switch F115, the one end switch D115, the one end switch B115 are connected, and the switch L115 other end, switch J115 are another One end, the switch H115 other end, the switch F115 other end, the switch D115 other end, the switch B115 other end respectively with P3 18 ~13 feet are corresponding to be connected；
1~6 foot of P3 respectively with the one end switch A115, the one end switch C115, the one end switch E115, the one end switch G115, The one end switch I115, the one end switch K115 are corresponding connected, and the switch A115 other end, the switch C115 other end, switch E115 are another End, the switch G115 other end, the switch I115 other end, the switch K115 other end are corresponding with A, C, E, G, I, K arm respectively to be connected, A, C, E, G, I, K arm connect 7 feet of P3；8 feet of P3 connect the end .2 of A1.
As another preferred embodiment, fast molten fusing alarm trip unit of the present invention includes KRBJO4 P1, and the 5 of P1 Foot connects instrument separator system unit by the relay K14 of control fuse alarm tripping, and 6 feet of P1 meet instrument isolator system System unit, 3,4 feet of P1 connect PLC CPU control unit.
As another preferred embodiment, instrument separator system unit of the present invention includes direct current part PV1, straight Galvanic electricity stream part PA1, in-cabinet temperature collecting part, DC current part E1, in-cabinet temperature part E2 and fan section, PV1's Input termination DC voltage sampling unit.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes high voltage rectifier stack control system power supply Unit, high voltage rectifier stack control system power supply unit include PLC touch screen working power part, PLC DI power unit, isolation Instruments and meters power unit, probe power part, alarm power unit, voltage sample isolator power unit, control power supply Faulty component, PLC touch screen working power part, PLC DI power unit, isolator instrument power part, probe power portion Divide, the input terminal of alarm power unit, voltage sample isolator power unit is connected with the end L1+, L1-.
As another preferred embodiment, charging pile of the present invention includes charging pile control system, charging pile control system Including controller, semibridge system chopper circuit, sensing module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, control The detection signal input port of device respectively with input power, the signal transmission port of controller by optical coupling isolation circuit respectively with The control of the control signal input mouth, the control signal input mouth, charging gun electronic lock of indicator light of power output contactor Signal input port, user's port of charging gun, the signal transmission port of touch screen are connected；
The detection signal input port of controller is switched with detection semibridge system chopper circuit respectively by photoelectrical coupler The signal output port of the temperature sensor of tube temperature degree, detect charging gun temperature temperature sensor signal output port, CC1 The detection signal output port for controlling voltage detecting circuit is connected；
The control signal output mouth of controller is connected with the control signal input mouth of semibridge system chopper circuit.
As another preferred embodiment, charging pile control system of the present invention further includes logic combination circuit, logical groups Close the input terminal acquisition control system power failure information, charging gun electronic lock feedback information, contacts of contactor information, leakage of circuit Power information, emergency stop information, insulation detecting circuit information, panel-switch information, indicator light information and latch feedback information, and according to Failure priority controls each information security alarm signal.
As another preferred embodiment, logic combination circuit of the present invention uses STM32F03 single-chip microcontroller.
As another preferred embodiment, controller of the present invention pass sequentially through SG3525 chip, Fiber isolation circuit with The control signal input mouth of semibridge system chopper circuit is connected.
As another preferred embodiment, charging pile control system of the present invention further includes semibridge system chopper circuit short circuit report Alert circuit.
As another preferred embodiment, semibridge system chopper circuit short-circuit alarming circuit of the present invention is used and is connect in semibridge system The insulated monitor of chopper circuit output end.
As another preferred embodiment, semibridge system chopper circuit of the present invention includes IGBT S1~S4, and IGBT S1~ The gate pole of S4 is connected with the control signal output mouth of controller respectively, the source electrode of S1 respectively with the drain electrode of S2, the one end inductance L2 It is connected, the drain electrode of S1 is connected with the drain electrode of semibridge system chopper circuit electrical energy inputs anode, capacitor C1 one end, S3 respectively, capacitor The C1 other end respectively with semibridge system chopper circuit electrical energy inputs cathode, the source electrode of S2, the source electrode of S4, the one end capacitor C2, half-bridge Formula chopper circuit electric energy output end cathode is connected, and the capacitor C2 other end is electric with the inductance L2 other end, semibridge system chopper circuit respectively Energy output head anode, the one end inductance L1 are connected, and the inductance L1 other end is connected with the drain electrode of the source electrode of S3, S4 respectively.
As another preferred embodiment, sensing module of the present invention includes the voltage sensor for detecting input voltage, inspection The voltage sensor for surveying output voltage, the current sensor for detecting input current, the current sensor of detection output electric current, detection The voltage sensor of vehicle battery voltage.
As another preferred embodiment, controller of the present invention uses STM32F103 chip, STM32F103 chip The end ADC respectively with detection input voltage voltage sensor detection signal output port, detect output voltage voltage sensor The detection signal output port of device, the detection signal output port of the current sensor of detection input current, detection output electric current Current sensor detection signal output port, detect vehicle battery voltage voltage sensor detection signal output port It is connected.
As another preferred embodiment, charging pile control system of the present invention further includes temperature-compensation circuit
As another preferred embodiment, photoelectrical coupler of the present invention uses HCNR201 module.
As another preferred embodiment, charging pile control system of the present invention further includes accessory power supply, accessory power supply letter Number transmission port is connected with the signal transmission port of controller, and the power output port of accessory power supply by contactor KM5 and is filled The auxiliary electric energy input port of electric appliance is connected, and the control signal input mouth of contactor KM5 and the control signal of controller export Port is connected.
As another preferred embodiment, accessory power supply of the present invention uses digital switch power supply.
As another preferred embodiment, accessory power supply of the present invention passes sequentially through electric discharge mould by residual current operated protective device Block, air switch QF2 are connected with AC/380V.
As another preferred embodiment, semibridge system chopper circuit electrical energy inputs anode of the present invention respectively with resistance R1 One end, the first normal open switch one end contactor KM2 be connected, the first normal open switch of contactor KM2 other end respectively with contactor KM1 First normal open switch one end, the one end fuse FU1 are connected, another terminating resistor R1 other end of the first normal open switch of contactor KM1； The fuse FU1 other end respectively with the one end rheostat RV1, air switch QF1 first switch one end, the one end Surge Protector SPD1 It is connected, another termination DC/840V of air switch QF1 first switch, Surge Protector SPD1 other end ground connection；Rheostat RV1 is another One end is connected with the one end fuse FU2, air switch QF1 second switch one end, the one end Surge Protector SPD2 respectively, and surge is protected Protect device SPD2 other end ground connection, another termination DC/840V of air switch QF1 second switch；The fuse FU2 other end respectively with connect The second normal open switch of tentaculum KM1 one end, the second normal open switch one end contactor KM2 are connected, and the second normal open switch of contactor KM1 is another One end is connected with the second normal open switch of contactor KM2 other end, semibridge system chopper circuit electrical energy inputs cathode.
As another preferred embodiment, the contact switch being mounted on the invention also includes monitoring device door state on machine box door The detection signal input part of the detection signal output port and controller of KV and the detection of charging gun return contact switch Kl, KV and Kl Mouth is connected.
As another preferred embodiment, semibridge system chopper circuit electric energy output end anode of the present invention respectively with contactor KM3 normal open switch one end, the one end varistor RV2, insulated monitor LMD positive terminal, the first normal open switch of contactor KM4 one end Be connected, the contactor KM3 normal open switch other end by resistance R3 respectively with semibridge system chopper circuit electric energy output end cathode, pressure-sensitive The resistance RV2 other end, insulated monitor LMD negative pole end, the second normal open switch one end contactor KM4 are connected, the control of contactor KM4 Signal input port processed is connected with the defeated place port of the control signal of controller；
Contactor KM4 the first normal open switch other end is connected with voltmeter positive terminal, charging gun positive terminal respectively, contactor KM4 the second normal open switch other end is connected with voltmeter negative pole end, charging gun negative pole end respectively, the detection signal output of voltmeter Port is connected with the detection signal input port of controller.
As another preferred embodiment, the charge step of charging pile of the present invention is successively are as follows: precharge, connection confirmation, Self-test stage, configuration phase, charging stage and ending phase.
As another preferred embodiment, the present invention connects verification step successively are as follows: and controller is powered to preliminary filling rifle electronic lock, Controller detects preliminary filling rifle electronic lock feedback signal, and controller detects CC1 signal；
Self-test stage etch is successively are as follows: closure contactor KM3, detection insulating monitoring signal, leadage circuit；
Configuration phase step is successively are as follows: charging pile controller and vehicle control device carry out handshake message, closure contactor KM4；
Charging stage step is successively are as follows: charging pile controller and vehicle control device carry out communication packet；Charging pile controller Adjust the voltage and current of semibridge system chopper circuit power output；Judge whether charge rest, if not recharge stage etch, if It is to enter ending phase；
Ending phase step is successively are as follows: charging pile controller carries out charge rest message with vehicle control device, disconnection contacts Device KM4, leadage circuit, disconnect contactor KM3, unlock charging gun electronic lock, detection charging gun whether return.
As another preferred embodiment, leadage circuit of the present invention is will be on semibridge system chopper circuit output filter capacitor The charge of storage is bled off quickly, reduces immediately the voltage on capacitor, by varistor RV2, will be stored on filter capacitor Charge bleed off quickly.
As another preferred embodiment, detection charging gun of the present invention whether the mode of return are as follows: by K1 test point, When charging gun, which is extracted, to charge, K1 is normally closed to become normally opened, and when charging gun return, K1 is normally opened becomes normally closed.
As another preferred embodiment, the mode of the present invention for judging whether charge rest are as follows: set in advance by user Fixed charging modes are by electricity, by the amount of money or be full of, the charging pile charge rest when reaching setting condition.
As another preferred embodiment, charging pile controller storage Vehicular battery model, characteristic and charging of the present invention Curve mathematic model, when vehicle control device is communicated with charging pile controller, charging pile controller reads the battery information of the vehicle, Charging pile controller recalls and the matched mathematical model of vehicle battery behavior according to the battery information of the vehicle, provides charging current And voltage.
As another preferred embodiment, the switching tube driving signal of each bridge arm of semibridge system chopper circuit of the present invention is by perseverance The Double-closed-loop control circuit for determining output voltage limitation output electric current generates, which includes that voltage PI is adjusted Device, electric current PI adjuster, phase shifter and m carrier wave, which are handed over, cuts comparator, and m carrier wave, which is handed over, cuts comparator and the multichannel M bridge arm in copped wave module corresponds, the positive input terminal input reference voltage of voltage PI adjuster, voltage PI tune The negative input end of section device inputs the output voltage of the multichannel copped wave module, and the output end of voltage PI adjuster connects electric current The positive input terminal of PI adjuster, the negative input end of electric current PI adjuster input the output electric current of the multichannel copped wave module, electricity The output end for flowing PI adjuster connects m carrier wave and hands over the positive input terminal for cutting comparator, and phase shifter exports m phase successively Staggeredly 2 π/m carrier signal hands over the negative input end for cutting comparator to m carrier wave, and each carrier wave, which is handed over, cuts comparator output pair Answer the switching tube driving signal of bridge arm.
As another preferred embodiment, the control signal output mouth of controller of the present invention passes sequentially through low pressure adjusting Partially, constant current clipped portion, current regulator are handed over first carrier cut comparator positive input terminal respectively, the second carrier wave is handed over compared with cutting Device positive input terminal be connected, first carrier hand over cut a comparator negative input end, the second carrier wave hand over cut comparator negative input end respectively with load The output end of wave phase shifting part is connected, and the input terminal of phase-shifting carrier wave part is connected with the output end of carrier wave generating portion, and carrier wave is raw It is connected at the control signal input of part with the control signal output mouth of controller；
First carrier hands over a section comparator output terminal to be connected respectively with the gate pole of S1, the first input terminal for negating circuit, and first Negate the gate pole of the output termination S2 of circuit；Second carrier wave hands over a section comparator output terminal to negate electricity with the gate pole of S3, second respectively The input terminal on road is connected, and second negates the gate pole of the output termination S4 of circuit；
The inspection with the sensor of detection semibridge system chopper circuit output voltage respectively of the detection signal input port of controller Survey signal output port, the signal output port for the sensor that detection semibridge system chopper circuit exports is connected.
As another preferred embodiment, the invention also includes unit microcomputer protection monitor parts, transformer cooling system, whole The signal biography of flow cooling system, the direct current transducer of detection rectifier transformer output Current Voltage, direct current banister S1~S4, PLC Defeated port respectively with a group signal transmission port for microcomputer protection monitor part the, signal transmission port of transformer cooling system, whole Signal transmission port, the signal transmission port of direct current transducer, the signal transmission port of direct current banister of flow cooling system are connected.
As another preferred embodiment, the invention also includes PWM drive part, the control signal of PWM drive part is inputted Port is connected with the control signal output mouth of PLC, the control signal output mouth of PWM drive part respectively with the control section A Control signal input mouth, the control section B control signal input mouth be connected.
As another preferred embodiment, the control section A and the control section B of the present invention include one and control to reactor Winding and a displacement winding to reactor, DC power supply are delivered to one of winding, change autotransducer Magnetic density adjusts AC energy indirectly；A controls TA1, and B controls TA2；TA1, TA2 respectively correspond secondary winding star structure part With delta connection structure division.
As another preferred embodiment, the control section A of the present invention is connect with transformer TA1 output end reactor, B control System part is connect with transformer TA2 output end reactor.
As another preferred embodiment, the invention also includes A phase shift diode and B phase shift diode, A phase shift diode with TA1 reactor is displaced the connection of winding port, and B phase shift diode and transformer TA2 reactor displacement winding port connect.
As another preferred embodiment, the invention also includes control conversion section, control conversion section is sensed by direct current Whether the operating voltage that device detects direct current major loop is normal, and such as off-rating ± 10%, control system will issue instructions to tune It compresses switch and is adjusted.
As another preferred embodiment, rectification cooling system of the present invention includes the temperature sensor for detecting rectification part It is connected with the detection signal output port of rectification part cooling fan, temperature sensor with the detection signal input port of PLC, The control signal output mouth of PLC is connected with the control signal input mouth of rectification part cooling fan.
As another preferred embodiment, transformer cooling system of the present invention includes the temperature for detecting transformer operating temperature Spend sensor and fan for cooling transformer, the detection signal input port of the detection signal output port and PLC of temperature sensor It is connected, the control signal output mouth of PLC is connected with the control signal input mouth of fan for cooling transformer.
As another preferred embodiment, of the present invention group of microcomputer protection monitor part uses single-chip microcontroller, the inspection of single-chip microcontroller Survey signal input port respectively with the detection signal output port of high-tension switch cabinet detection part, on-load voltage regulating switch detection part Detection signal output port, the detection signal output port of transformer temperature detection part, commutation system temperature detection part Detection signal output port, DC loop detection part detection signal output port.
As another preferred embodiment, the invention also includes exchange intelligent collector, the signal for exchanging intelligent collector is defeated Inbound port is connected with TA1, and the detection signal output port of TA2 is connected with the signal input port of exchange conversion part,
Exchange intelligent collector signal output port respectively with the signal input port of the first synchronization detecting section, second The signal input port of synchronization detecting section is connected, and the signal output port of the first synchronous test section and the signal of the first MCU are defeated Inbound port is connected, and the signal output port of the second synchronous test section is connected with the signal input port of the 2nd MCU, the first MCU's Control signal output mouth is connected with the control signal input mouth of the first pulse amplifier part, the control of the first pulse amplifier part Signal output port processed is connected with the gate pole of the first thyristor of control tap changer；
The control signal output mouth of 2nd MCU is connected with the control signal input mouth of the second pulse amplifier part, the The control signal output mouth of two pulse amplifier parts is connected with the second gate circuit transistor gate of control tap changer；First thyristor Cathode connects the end L+ by switch QS2, and the first thyristor anode is connected with the second thyristor cathode, and the second thyristor anode is by opening It closes QS3 and connects the end L-.
As another preferred embodiment, the invention also includes first passage monitoring, second monitor portion, the first LCD are aobvious Show that keyboard portion, the 2nd LCD show keyboard portion, the first communication interface part, the second communication interface part, the first A/D variable Partially, the 2nd A/D variable part, the part first switch amount I/O, the part second switch amount I/O, the first MCU are logical with first respectively Road monitor portion, the first LCD show keyboard portion, the first communication interface part, the first A/D variable part, first switch amount I/O Part is connected；
2nd MCU shows keyboard portion, the second communication interface part, the with second channel monitor portion, the 2nd LCD respectively Two A/D variable parts, the part second switch amount I/O are connected；
First communication interface part, the second communication interface part are connected with machine set PLC monitor portion respectively；First A/D becomes Amount part, the 2nd A/D variable part respectively with the turn on thyristors rate control unit on exchange conversion part, the first thyristor cathode Part is connected；
TA1, TA2 respectively correspond secondary winding star structure part and delta connection structure division.
As another preferred embodiment, the first pulse amplifier of the present invention part and the second pulse amplifier part are using letter Number amplifier.
As another preferred embodiment, exchange conversion part of the present invention uses A/D variable module.
As another preferred embodiment, micro-capacitance sensor power supply system of the present invention includes micro-capacitance sensor controller, micro-capacitance sensor control Device signal transmission port processed respectively with the signal transmission port of photovoltaic DC-to-AC converter, the signal transmission port of Active Power Filter-APF, The signal transmission port of energy storage inverter, the signal transmission port of blower inverter, the signal biography of microgrid energy power system Defeated port is connected.
As another preferred embodiment, microgrid energy power system of the present invention uses computer.
As another preferred embodiment, micro-capacitance sensor controller of the present invention includes MCU, DSP, the signal transmission end of MCU Mouth is connected with the signal transmission port of DSP, and the control signal output mouth of MCU is connected with the input port of the first IPM module, the The output port of one IPM module is connected with the control port of DC/DC module, input port and the photovoltaic module phase of DC/DC module Even, the output port of DC/DC module is connected with the input port of the first AC/DC module；
The control signal input parallel port of first AC/DC module is connected with the output port of the 2nd IPM module, the 2nd IPM The input port of module connects dsp control signal output port, and dsp control signal output port connects the control of two-way AC/DC module Signal input port is connected, and two-way AC/DC module is contacted with battery group, the output port of the first AC/DC module, first respectively Device one end is connected, the signal input port and the signal output port of photovoltaic power generation, wind-power electricity generation load condition sampling module of DSP It is connected；
The control signal input mouth of first contactor is connected by relay with the control signal output mouth of DSP, the The one contactor other end is connected with the input terminal of AC load, the 2nd AC/DC module respectively, the output end of the 2nd AC/DC module Connect DC load, AC load is given a dinner for a visitor from afar power generator by second contactor, and the control signal input mouth of second contactor is logical Cross the control signal output mouth that relay meets DSP.
As another preferred embodiment, microgrid energy power system of the present invention includes data Layer, management level and tune Spend layer, data Layer to each generator unit generated output and load realtime power the real-time dynamic acquisition of variation, acquisition data send to Management level do data analysis and optimization, then the distribution of each unit is carried out by dispatch layer.
Secondly, data Layer of the present invention includes information collection part, data management part, status predication part, energy rate Predicted portions, Network topology part；Management level include load switching part, system administration part, energy storage administrative section, tide Stream calculation part, idle work optimization part, economic optimization part；Dispatch layer includes generating set scheduling portion, energy storage charge and discharge fulgurite Reason part, load management and scheduling portion.
In addition, the invention also includes micro-capacitance sensor battery management system, micro-capacitance sensor battery management system include host module, from Machine module, protection plate module, display module；
Slave module and host module measurement cell voltage and temperature, balancing battery energy；Plate module is protected to carry out SOC It calculates, SOH is calculated, generates alert data；The charge and discharge of host module control protection board count battery pack information, are right System mode is detected, is controlled system mode；Display module shows the data of battery, provides sound-light alarm, record Data.
Beneficial effect of the present invention.
The present invention is cooperated by each unit, the safety and reliability of charging heap can be improved, convenient for charging current Distribution.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to In the statement of the following contents.
Fig. 1 is system block diagram of the invention.
Fig. 2 is high voltage protective system block diagram of the invention.
Fig. 3 is rectifier transformer block diagram of the invention.
Fig. 4 is block diagram of high-voltage rectifying system of the invention.
Fig. 5 is that commutation spike of the invention absorbs molten Zapping circuit figure fastly.
Fig. 6 is PLC CPU control unit figure of the invention.
Fig. 7 is touch screen of the invention, ethernet module unit figure.
Fig. 8 is overvoltage of direct current absorption of the invention, DC voltage sampling unit figure.
Fig. 9 is switching overvoltage absorptive unit figure of the invention.
Figure 10 is PLC unit figure of the invention.
Figure 11 is bridge arm temperature alarm of the invention, and bridge arm overheats trip unit figure.
Figure 12 is fast fusing alarm of the invention, trip unit figure.
Figure 13 is instrument separator system unit figure of the invention.
Figure 14 is high voltage rectifier stack control system power supply unit figure of the invention.
Figure 15 is charging pile Control system architecture unit figure of the invention.
Figure 16 is charging pile control system principle elements figure of the invention.
Figure 17 is charging pile control system flow chart of the invention.
Figure 18 is intelligent charging spot semibridge system binary channels crisscross parallel charging chopper circuit unit figure of the invention.
Figure 19 is intelligent charging spot dynamic allocation system regulating loop circuit unit figure of the invention.
Figure 20 is high-voltage rectifying transformer (diode) system unit figure of the invention.
Figure 21 is high-voltage rectifying transformer (thyristor) system unit figure of the invention.
Figure 22 is 12 pulse wave rectifier system unit figures of the invention.
Figure 23 is micro-capacitance sensor power supply system block diagram of the invention.
Figure 24 is micro-capacitance sensor controller of the invention.
Figure 25 is microgrid energy power system of the invention.
Figure 26 is micro-capacitance sensor battery management system of the invention.
Figure 27 is tap changer structural schematic diagram of the present invention.
Specific embodiment
As shown, the present invention includes high voltage protective unit, high-voltage rectifying transformer unit, high-voltage rectifying unit and charging The output port of pile group current distribution unit, high voltage protective unit is connected with the input port of high-voltage rectifying transformer unit, high The output port of voltage adjustment rectifier transformer unit is connected with the input port of high-voltage rectifying unit, the output port of high-voltage rectifying unit It is connected with the input port of charging pile group current distribution unit.
The output port of the high-voltage rectifying transformer unit exports 12 pulse wave 840V/1500A pulse voltages.
The middle straightening stream of the output port output 750V/1500A of the high-voltage rectifying unit.
The charging pile group current distribution unit includes multiple charging piles, and each charging pile is in parallel, each charging pile electric energy input End is connected with the output port of high-voltage rectifying unit.
The output port of the high-voltage rectifying unit is connected by closing busbar with charging pile electrical energy inputs.
The high voltage protective unit includes incoming line cabinet, metering cabinet, PT cabinet, house transformer and outgoing line cabinet, incoming line cabinet it is defeated The input of outlet and metering cabinet terminates a bus, the input terminal of the output termination PT cabinet of metering cabinet, the output termination two of PT cabinet Secondary bus, secondary bus are connected with the input terminal of the input terminal of house transformer, outgoing line cabinet respectively, and the output of outgoing line cabinet terminates high The input terminal of voltage adjustment rectifier transformer unit.House transformer can for all devices control power supply and entire charging field illumination and Communication equipment power supply.
The invention also includes the electric energy output ends of micro-capacitance sensor power supply system to be connected with secondary bus.
In the insufficient situation of local network load, the 500KW micro-grid system that system support can be selected carries out load benefit It fills.
The rectifier transformer pair side of the high-voltage rectifying transformer unit uses star, triangle output-parallel structure.Rectification becomes Star and delta connection is respectively adopted in depressor secondary side winding, makes phase shifting between two groups of three-phase alternating-current supplies, size phase Deng, so that output rectified voltage is made to pulse 12 times in each AC mains cycle, the rectification change of high-voltage rectifying transformer unit After depressor secondary winding is respectively connected to T1 and T2 high-voltage rectifier bridge, exported after two groups of direct current outputs are in parallel.
The turn ratio of the rectifier transformer first winding and secondary winding is 1: 1: 3, wherein secondary winding star structure It is 1, delta connection structure 3.
The iron core of the rectifier transformer uses silicon steel sheet 30Q130, is bound using 45 ° of full bias seams without latitude glass tape Structure.Structure modulation flux density < 1.58T of the present invention, it can be ensured that when voltage ripple of power network+5%, iron core not overexcitation；Pressure regulation model Still output rated voltage when enclosing consideration voltage ripple of power network -5%；Whole change flux density < 1.65T.
Micro-capacitance sensor power supply system includes master switch, step-up transformer, first switch, photovoltaic DC-to-AC converter, photovoltaic module, second Switch, blower inverter, wind-driven generator, third switch, energy storage inverter, energy-storage battery, the 4th switch and active electric power filter Wave device, master switch one terminate secondary bus, and the master switch other end is connected with step-up transformer output end, step-up transformer input terminal One end, the 4th switch one end are switched with first switch one end, second switch one end, third respectively to be connected, first switch one end is another One end is connected with the output end of photovoltaic DC-to-AC converter, the output end of the input termination photovoltaic module of photovoltaic DC-to-AC converter；
Second switch one end other end is connected with the output end of blower inverter, the input terminal of blower inverter give a dinner for a visitor from afar power hair The output end of motor；
Third switchs one end other end and is connected with the output end of energy storage inverter, the input termination energy storage electricity of energy storage inverter Pond；
One end is another is terminated with active power filter for 4th switch.
The high-voltage rectifying transformer unit includes high-pressure side winding, low-pressure side star parallel winding and low-pressure side triangle Parallel winding.
The high-voltage rectifying transformer unit further includes the voltage sensor for detecting low-pressure side voltage, the letter of voltage sensor Number output port is connected with the detection signal input port of controller, the control signal output mouth of controller and adjusts high-pressure side The control signal input mouth of the tap changer of umber of turn is connected.
The present invention uses 7 segmentation tap changers, and the AC energy of power grid is by entering tap changer, pressure regulation after high-voltage switch gear Switch can be operated by tap switch with carrying.The gear of tap changer shows that signal is transmitted to commutation system control cabinet, and energy Receive control cabinet has load boosting, has load to be depressured and have load emergency stop operation signal.Transformation tap is carried out to the primary side of transformer The operation of voltage is adjusted, to guarantee that secondary side exports one compared with stable voltage.When system detection to direct current primary voltage When lower than voltage rating 10%, control system adjust tap changer, by reduce first winding the number of turns, reach improve it is secondary around The purpose of group output voltage.
When the controller detects low-pressure side voltage lower than voltage rating 10%, controller controls tap changer and reduces height Press the number of turns of side winding.
High-pressure side winding includes U phase winding, V phase winding and W phase winding, tap changer group include the first tap changer of U phase, The second tap changer of U phase, the first tap changer of V phase, the second tap changer of V phase, the first tap changer of W phase, the second pressure regulation of W phase are opened It closes,
U phase winding centre cap is U phase input terminal and adjusts respectively with the first terminals of the first tap changer of W phase, W phase second First terminals that compress switch are connected；
V phase winding centre cap is V phase input terminal and adjusts respectively with the first terminals of the first tap changer of U phase, U phase second First terminals that compress switch are connected；
W phase winding centre cap is W phase input terminal and adjusts respectively with the first terminals of the first tap changer of V phase, V phase second First terminals that compress switch are connected；
The second wiring of the first tap changer of U phase terminates U phase winding one end, another the second tap changer of termination U phase of U phase winding Second terminals；
The second wiring of the first tap changer of V phase terminates V phase winding one end, another the second tap changer of termination V phase of V phase winding Second terminals；
The second wiring of the first tap changer of W phase terminates W phase winding one end, another the second tap changer of termination W phase of W phase winding Second terminals.
The low-pressure side star parallel winding includes 2a winding, 2b winding and 2c winding, low-pressure side triangle parallel winding Including 3a winding, 3b winding and 3c winding, 2a winding one end, 2b winding one end, 2c winding one end are connected, the 2a winding other end, The 2b winding other end, the 2c winding other end are electric energy output end；
3a winding one end is electric energy output end and be connected with 3c winding one end, the 3c winding other end for electric energy output end and with 3b winding one end is connected, and the 3b winding other end is electric energy output end and is connected with the 3a winding other end.
The high-voltage rectifying unit uses T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2), T1 high-voltage rectifier bridge (1) It is connected with the input terminal of T2 high-voltage rectifier bridge (2) with the output end of high-voltage rectifying transformer unit；
Or use pulse wave rectifier circuit, the output end phase of the input terminal and high-voltage rectifying transformer unit of pulse wave rectifier circuit Even.
The pulse wave rectifier circuit includes diode V7~V12, diode V1~V6, diode V7 anode respectively with 2a around Group electric energy output end, diode V8 cathode be connected, diode V7 cathode respectively with diode V9 cathode, diode V12 cathode, arteries and veins Wave rectification circuit output cathode, diode V1 cathode, diode V3 cathode, diode V5 cathode are connected；
Diode V8 anode is positive with diode V10 anode, diode V11 anode, diode V2 anode, diode V4 respectively Pole, diode V6 anode, pulse wave rectifier circuit output cathode are connected；
Diode V10 cathode is connected with 2b winding electric energy output end, diode V9 anode respectively, diode V11 cathode point It is not connected with 2c winding electric energy output end, diode V12 anode；
Diode V1 anode is connected with 3a winding electric energy output end, diode V2 cathode respectively, diode V3 anode difference Be connected with 3b winding electric energy output end, diode V4 cathode, diode V5 anode respectively with 3c winding electric energy output end, diode V6 cathode is connected.
Figure 22 pulse wave rectifier circuit, two 30 ° of three-phase thyristor bridge rectification circuit phase shift connections in parallel form pulse wave rectifier Circuit makes between two groups of three-phase alternating-current supplies 30 ° of phase shifting, and output rectified voltage is made to pulse 12 times in a power cycle. T1 and T2 is two groups of rectifier bridges in parallel.
The T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2), T1 high-voltage rectifier bridge (1) includes L, K, J, I, H, G Arm, T2 high-voltage rectifier bridge (2) include F, E, D, C, B, A arm；L, K arm one terminates 2a winding electric energy output end, and another termination of L arm is defeated Outlet cathode, another termination output head anode of K arm；
J, I arm one terminates 2b winding electric energy output end, and another termination negative pole of output end of J arm, another termination output end of I arm is just Pole；
H, G arm one terminates 2c winding electric energy output end, and another termination negative pole of output end of H arm, another termination output end of G arm is just Pole；
F, E arm one terminates 3a winding electric energy output end, and another termination negative pole of output end of F arm, another termination output end of E arm is just Pole；
D, C arm one terminates 3b winding electric energy output end, and another termination negative pole of output end of D arm, another termination output end of C arm is just Pole；
B, A arm one terminates 3c winding electric energy output end, and another termination negative pole of output end of B arm, another termination output end of A arm is just Pole.
The L arm is composed in series by diode V12-1~2 and fuse FU12-1~2；
K arm is composed in series by diode V11-1~2 and fuse FU11-1~2；
J arm is composed in series by diode V10-1~2 and fuse FU10-1~2；
I arm is composed in series by diode V9-1~2 and fuse FU19-1~2；
H arm is composed in series by diode V8-1~2 and fuse FU8-1~2；
G arm is composed in series by diode V7-1~2 and fuse FU7-1~2；
F arm is composed in series by diode V6-1~2 and fuse FU6-1~2；
E arm is composed in series by diode V5-1~2 and fuse FU5-1~2；
D arm is composed in series by diode V4-1~2 and fuse FU4-1~2；
C arm is composed in series by diode V3-1~2 and fuse FU13-1~2；
B arm is composed in series by diode V2-1~2 and fuse FU2-1~2；
A arm is composed in series by diode V11-1~2 and fuse FU1-1~2.
The high-voltage rectifying unit further include commutation spike absorb Zapping circuit, commutation spike absorb Zapping circuit with The arm of high-voltage rectifier bridge is connected.
It includes resistance R11 that the commutation spike that connect with K arm, which absorbs Zapping circuit, the one end resistance R11 respectively with K arm, two Pole pipe V11-3 anode, diode V11-2 anode, diode V11-1 anode are connected, and the resistance R11 other end passes sequentially through capacitor C11, fuse FU21 connect the end L+, and the signal output end of fuse FU21 connects the detection signal input part of PLC CPU control unit Mouthful；
Diode V11-3 cathode connects the end L+ by fuse FU11-3, and diode V11-2 cathode passes through fuse FU11-2 It connects the end L+, diode V11-31 cathode and the end L+ is connect by fuse FU11-1；
The detection with the one end resistance R81-3, fast fusing alarm trip unit respectively of fuse FU11-3 signal output end Signal input port is connected, and resistance R81-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The detection with the one end resistance R81-2, fast fusing alarm trip unit respectively of fuse FU11-2 signal output end Signal input port is connected, and resistance R81-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The detection with the one end resistance R81-1, fast fusing alarm trip unit respectively of fuse FU11-1 signal output end Signal input port is connected, and resistance R81-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
It includes resistance R1 that the commutation spike that connect with A arm, which absorbs Zapping circuit, the one end resistance R1 respectively with A arm, two poles Pipe V1-3 anode, diode V1-2 anode, diode V1-1 anode are connected, and the resistance R1 other end passes sequentially through capacitor C1, fusing Device FU21 connects the end L+, and the signal output end of fuse FU21 connects the detection signal input port of PLC CPU control unit；
Diode V1-3 cathode connects the end L+ by fuse FU1-3, and diode V1-2 cathode meets L+ by fuse FU1-2 End, diode V1-31 cathode connect the end L+ by fuse FU1-1；
Detection of the fuse FU1-3 signal output end respectively with the one end resistance R71-3, fast fusing alarm trip unit is believed Number input port is connected, and resistance R71-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Detection of the fuse FU1-2 signal output end respectively with the one end resistance R71-2, fast fusing alarm trip unit is believed Number input port is connected, and resistance R71-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Detection of the fuse FU1-1 signal output end respectively with the one end resistance R71-1, fast fusing alarm trip unit is believed Number input port is connected, and resistance R71-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
The PLC CPU control unit includes CPU226 A1, and the signal that the end .0 of A1 and 1.4 terminate fuse FU21 is defeated Outlet.
The high-voltage rectifying unit further includes touch screen ethernet module unit.
The high-voltage rectifying unit further includes switching overvoltage absorptive unit, and switching overvoltage absorptive unit includes pressure-sensitive electricity RV1~6 are hindered, varistor RV1 connects 2a winding electric energy output end by fuse FU41, and varistor RV2 passes through fuse FU42 connects 2b winding electric energy output end, and varistor RV3 connects 2c winding electric energy output end by fuse FU43, and fuse 41~ 43 signal output end connects the detection signal input port of fast fusing alarm trip unit, bridge arm temperature alarm bridge arm mistake respectively The detection signal input port of thermal tripping unit, the detection signal input port of PLC CPU control unit are connected；
Varistor RV4 connects 3a winding electric energy output end by fuse FU44, and varistor RV5 passes through fuse FU45 3b winding electric energy output end is connect, varistor RV6 connects 3c winding electric energy output end by fuse FU46, fuse 44~46 Signal output end connects the detection signal input port of fast fusing alarm trip unit respectively, bridge arm temperature alarm bridge arm overheat is jumped The detection signal input port of lock unit, the detection signal input port of PLC CPU control unit are connected.
The high-voltage rectifying unit further includes overvoltage of direct current absorptive unit, and overvoltage of direct current absorptive unit includes in parallel connects Resistance R31, the R32 and DC voltage sampling module connect, resistance R31 and R32 parallel circuit one end respectively with the end L+, fuse The one end FU53 be connected, the fuse FU53 other end respectively with the one end varistor RV13, resistance R91 and R92 parallel circuit one end It is connected, resistance R91 and R92 the parallel circuit other end is connected with the parallel circuit of capacitor C41~45 one end, and capacitor C41~45 is in parallel The circuit other end is connected with the varistor RV13 other end, the one end fuse FU54 respectively, the fuse FU54 other end respectively with Resistance R31 is connected with the R32 parallel circuit other end, the end L-；The signal output port of fuse FU53 and FU54 are melted with fast respectively The detection signal input of the detection signal input port, bridge arm temperature alarm bridge arm overheat trip unit of fusing alarm trip unit Port, the detection signal input port of PLC CPU control unit are connected；
The high-voltage rectifying unit further includes DC voltage sampling unit, and DC voltage sampling unit includes that DC voltage takes The detection input first port of egf block, DC voltage sampling module is connected by fuse FU55, FU56 with the end L+, the end L-, The detection input second port of DC voltage sampling module is connected with the end L2+, the end L2-, the detection letter of DC voltage sampling module Number output port is connected with the detection signal input port of PLC unit.
The PLC unit uses EM231 A3, and A+, A- foot of A3 connects the detection signal output end of DC voltage sampling module Mouthful.
Bridge arm temperature alarm bridge arm overheat trip unit includes QBBJ04 P2,19 feet of P2 respectively with L arm, J arm, H Arm, F arm, D arm, B arm, the one end switch L105, the one end switch J105, the one end switch H105, the one end switch F105, switch D105 mono- End, the one end switch B105 are connected, and the switch L105 other end, the switch J105 other end, the switch H105 other end, switch F105 are another End, the switch D105 other end, the switch B105 other end are corresponding with 18~13 feet of P2 respectively to be connected；
1~6 foot of P2 respectively with the one end switch A105, the one end switch C105, the one end switch E105, the one end switch G105, The one end switch I105, the one end switch K105 are corresponding connected, and the switch A105 other end, the switch C105 other end, switch E105 are another End, the switch G105 other end, the switch I105 other end, the switch K105 other end are corresponding with A, C, E, G, I, K arm respectively to be connected, A, C, E, G, I, K arm connect 7 feet of P2；8 feet of P2 connect the end .3 of A1.
The bridge arm temperature alarm bridge arm overheat trip unit includes QBBJ04 P3, and 11,12 feet of P3 are respectively with P2's 11,12 feet are corresponding is connected；
19 feet of P3 respectively with L arm, J arm, H arm, F arm, D arm, B arm, the one end switch L115, the one end switch J115, switch The one end H115, the one end switch F115, the one end switch D115, the one end switch B115 are connected, and the switch L115 other end, switch J115 are another One end, the switch H115 other end, the switch F115 other end, the switch D115 other end, the switch B115 other end respectively with P3 18 ~13 feet are corresponding to be connected；
1~6 foot of P3 respectively with the one end switch A115, the one end switch C115, the one end switch E115, the one end switch G115, The one end switch I115, the one end switch K115 are corresponding connected, and the switch A115 other end, the switch C115 other end, switch E115 are another End, the switch G115 other end, the switch I115 other end, the switch K115 other end are corresponding with A, C, E, G, I, K arm respectively to be connected, A, C, E, G, I, K arm connect 7 feet of P3；8 feet of P3 connect the end .2 of A1.
The fast fusing alarm trip unit includes KRBJO4 P1, and 5 feet of P1 pass through control fuse alarm tripping Relay K14 connects instrument separator system unit, and 6 feet of P1 connect instrument separator system unit, and 3,4 feet of P1 meet PLC CPU Control unit.
The instrument separator system unit includes that direct current part PV1, DC current part PA1, in-cabinet temperature are adopted Collect part, DC current part E1, in-cabinet temperature part E2 and fan section, the input of PV1 terminates DC voltage sampling unit.
In Fig. 6, each foot output of PLC carries out controlling various signals, each intermediate relay by multiple intermediate relay K The contact of device K is marked with terminal number, and each terminal is according to number connected to external hardware (such as: each button, indicator light, air draft Fan etc.).
Autotransducer includes control winding, displacement winding (offset winding), spare winding, Figure 20.DC power supply is defeated The magnetic density for changing autotransducer to one of winding is sent, adjusts AC energy indirectly, reaches the mesh of steady-state adjustment 's.
Have and carry the alternating voltage that tap changer is inputted in the primary-side-control of rectifier transformer, controls in a certain range defeated D. C. value out.There is load tap changer to be used in combination with the saturable reactor being connected in rectifier output circuit.By DC current is introduced in reactor, makes to generate a variable impedance in route.It is defeated by controlling the voltage drop at reactor both ends Value can control in narrow range out.
The high-voltage rectifying unit further includes high voltage rectifier stack control system power supply unit, high voltage rectifier stack control system electricity Source unit includes PLC touch screen working power part, PLC DI power unit, isolator instrument power part, probe power Partially, alarm power unit, voltage sample isolator power unit, control power failure part, PLC touch screen working power Partially, PLC DI power unit, isolator instrument power part, probe power part, alarm power unit, voltage sample The input terminal of isolator power unit is connected with the end L1+, L1-.
The charging pile includes charging pile control system, charging pile control system include controller, semibridge system chopper circuit, Sensing module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, the detection signal input port of controller respectively with The signal transmission port of input power, controller is defeated with the control signal of power output contactor respectively by optical coupling isolation circuit Inbound port, the control signal input mouth of indicator light, the control signal input mouth of charging gun electronic lock, the user of charging gun are logical Casually, the signal transmission port of touch screen is connected；
The detection signal input port of controller is switched with detection semibridge system chopper circuit respectively by photoelectrical coupler The signal output port of the temperature sensor of tube temperature degree, detect charging gun temperature temperature sensor signal output port, CC1 The detection signal output port for controlling voltage detecting circuit is connected；
The control signal output mouth of controller is connected with the control signal input mouth of semibridge system chopper circuit.
The charging pile control system further includes logic combination circuit, the input terminal acquisition control system of logic combination circuit Power failure information, charging gun electronic lock feedback information, contacts of contactor information, electric leakage information, emergency stop information, Insulation monitoring electricity Road information, panel-switch information, indicator light information and latch feedback information, and according to failure priority, control each information security Alarm signal.
The logic combination circuit uses STM32F03 single-chip microcontroller.
It is defeated that the controller passes sequentially through SG3525 chip, Fiber isolation circuit and the control signal of semibridge system chopper circuit Inbound port is connected.
The charging pile control system further includes semibridge system chopper circuit short-circuit alarming circuit.
The semibridge system chopper circuit short-circuit alarming circuit is using the insulating monitoring connect in semibridge system chopper circuit output end Device.
The semibridge system chopper circuit includes IGBT S1~S4, the gate pole of IGBT S1~S4 respectively with the control of controller Signal output port is connected, and the source electrode of S1 is connected with the drain electrode of S2, the one end inductance L2 respectively, and the drain electrode of S1 is cut with semibridge system respectively Wave circuit electrical energy inputs anode, the one end capacitor C1, S3 drain electrode be connected, the capacitor C1 other end respectively with semibridge system chopper circuit Electrical energy inputs cathode, the source electrode of S2, the source electrode of S4, the one end capacitor C2, semibridge system chopper circuit electric energy output end cathode are connected, The capacitor C2 other end is connected with the inductance L2 other end, semibridge system chopper circuit electric energy output end anode, the one end inductance L1 respectively, electricity The sense L1 other end is connected with the drain electrode of the source electrode of S3, S4 respectively.
Figure 18, the switching tube driving signal of each bridge arm is limited by constant output voltage and is exported in each multichannel copped wave module The Double-closed-loop control circuit of electric current generates, which includes voltage PI adjuster, electric current PI adjuster, moves Phase device and m carrier wave, which are handed over, cuts comparator, and m carrier wave hands over the m bridge arm cut in comparator and the multichannel copped wave module It corresponds, the positive input terminal input reference voltage of voltage PI adjuster, the negative input end input of voltage PI adjuster should The output voltage of multichannel copped wave module, the positive input terminal of the output end connection electric current PI adjuster of voltage PI adjuster, The negative input end of electric current PI adjuster inputs the output electric current of the multichannel copped wave module, the output end of electric current PI adjuster M carrier wave of connection hands over the positive input terminal for cutting comparator, and phase shifter exports m phase successively staggeredly 2 π/m carrier signal The negative input end for cutting comparator is handed over to m carrier wave, each carrier wave hands over the switching tube for cutting the corresponding bridge arm of comparator output to drive letter Number.
Uin is the DC voltage that transformer rectifying part provides, and C1 is input filter capacitor, S1, S2, L2 composition one and half Bridge power topology, S3, S4, L2 form another half-bridge power topology, and C2 is output filter capacitor, and IL is inductive current sampling (average value is equivalent to charging current), Uo are charging output voltage.G1-g4 corresponds to the driving signal of S1-S4, passes through g1-g4's The constant current voltage limiting control of charge power supply is realized in pulsewidth modulation.
Figure 19, including intelligent charging spot dynamic allocation system regulating loop, charging voltage gives Uref and charging current is given Determine a reference value of charging voltage and electric current that Iref is setting, it is charge power supply that output voltage, which samples Uo and inductive current sampling IL, Controlled volume.The modulating wave obtained by voltage regulator and current regulator, with two staggeredly 180 ° triangular carrier carry out Carrier wave, which is handed over, to be cut, and driving signal g1-g4, the final stability contorting for realizing charge power supply are generated.Wherein, g1/g2 and g3/g4 difference is mutual Mend work.
The sensing module includes the voltage sensor for detecting input voltage, the voltage sensor for detecting output voltage, inspection Survey the current sensor of input current, the current sensor of detection output electric current, the voltage sensor for detecting vehicle battery voltage.
The controller uses STM32F103 chip, the end ADC of STM32F103 chip respectively with detection input voltage The detection signal output port of voltage sensor, the detection signal output port of the voltage sensor of detection output voltage, detection The detection signal output of the detection signal output port, the current sensor of detection output electric current of the current sensor of input current Port, the detection signal output port for the voltage sensor for detecting vehicle battery voltage are connected.
The charging pile control system further includes temperature-compensation circuit
The photoelectrical coupler uses HCNR201 module.
The charging pile control system further includes accessory power supply, the signal biography of accessory power supply signal transmission port and controller Defeated port is connected, and the power output port of accessory power supply is connected by contactor KM5 with the auxiliary electric energy input port of charger, The control signal input mouth of contactor KM5 is connected with the control signal output mouth of controller.
The accessory power supply uses digital switch power supply.
The accessory power supply passes sequentially through discharge module, air switch QF2 and AC/380V phase by residual current operated protective device Even.
The semibridge system chopper circuit electrical energy inputs anode respectively with the one end resistance R1, contactor KM2 first is normally opened opens Close one end be connected, the first normal open switch of contactor KM2 other end respectively with the first normal open switch of contactor KM1 one end, fuse The one end FU1 is connected, another terminating resistor R1 other end of the first normal open switch of contactor KM1；The fuse FU1 other end respectively with change Resistance one end device RV1, air switch QF1 first switch one end, the one end Surge Protector SPD1 are connected, and air switch QF1 first is opened Close another termination DC/840V, Surge Protector SPD1 other end ground connection；The rheostat RV1 other end respectively with fuse FU2 mono- End, air switch QF1 second switch one end, the one end Surge Protector SPD2 are connected, Surge Protector SPD2 other end ground connection, empty Another termination DC/840V of air cock QF1 second switch；The fuse FU2 other end respectively with the second normal open switch of contactor KM1 one End, the second normal open switch one end contactor KM2 are connected, and contactor KM1 the second normal open switch other end and contactor KM2 second are normal Switch the other end, semibridge system chopper circuit electrical energy inputs cathode is connected.
Contact switch KV and the detection of charging gun return being mounted on the invention also includes monitoring device door state on machine box door The detection signal output port of contact switch Kl, KV and Kl are connected with the detection signal input port of controller.
The semibridge system chopper circuit electric energy output end anode respectively with contactor KM3 normal open switch one end, varistor The one end RV2, insulated monitor LMD positive terminal, the first normal open switch one end contactor KM4 are connected, and contactor KM3 normal open switch is another One end by resistance R3 respectively with semibridge system chopper circuit electric energy output end cathode, the varistor RV2 other end, insulated monitor LMD negative pole end, the second normal open switch one end contactor KM4 are connected, the control signal input mouth of contactor KM4 and controller The defeated place port of signal is controlled to be connected；
Contactor KM4 the first normal open switch other end is connected with voltmeter positive terminal, charging gun positive terminal respectively, contactor KM4 the second normal open switch other end is connected with voltmeter negative pole end, charging gun negative pole end respectively, the detection signal output of voltmeter Port is connected with the detection signal input port of controller.
The charge step of the charging pile is successively are as follows: precharge, connection confirmation, self-test stage, configuration phase, charging stage And ending phase.
Connect verification step successively are as follows: controller is powered to preliminary filling rifle electronic lock, and it is anti-that controller detects preliminary filling rifle electronic lock Feedback signal, controller detect CC1 signal；
Self-test stage etch is successively are as follows: closure contactor KM3, detection insulating monitoring signal, leadage circuit；
Configuration phase step is successively are as follows: charging pile controller and vehicle control device carry out handshake message, closure contactor KM4；
Charging stage step is successively are as follows: charging pile controller and vehicle control device carry out communication packet；Charging pile controller Adjust the voltage and current of semibridge system chopper circuit power output；Judge whether charge rest, if not recharge stage etch, if It is to enter ending phase；
Ending phase step is successively are as follows: charging pile controller carries out charge rest message with vehicle control device, disconnection contacts Device KM4, leadage circuit, disconnect contactor KM3, unlock charging gun electronic lock, detection charging gun whether return.
The leadage circuit is to bleed off the charge stored on semibridge system chopper circuit output filter capacitor quickly, makes capacitor Voltage on device reduces immediately, and by varistor RV2, the charge stored on filter capacitor is bled off quickly.
The detection charging gun whether the mode of return are as follows: by K1 test point, when charging gun, which is extracted, to charge, K1 is normally closed Become normally opened, K1 is normally opened when charging gun return becomes normally closed.
The mode for judging whether charge rest are as follows: by the preset charging modes of user by electricity, by the amount of money Or it is full of, the charging pile charge rest when reaching setting condition.
The charging pile controller storage Vehicular battery model, characteristic and charging curve mathematical model, work as vehicle control device When communicating with charging pile controller, charging pile controller reads the battery information of the vehicle, and charging pile controller is according to the electricity of the vehicle Pond information, recalls and the matched mathematical model of vehicle battery behavior, provides charging current and voltage.
The switching tube driving signal of each bridge arm of semibridge system chopper circuit limits output electric current by constant output voltage Double-closed-loop control circuit generate, the Double-closed-loop control circuit include voltage PI adjuster, electric current PI adjuster, phase shifter with And m carrier wave is handed over and cuts comparator, m carrier wave hands over the m bridge arm one cut in comparator and the multichannel copped wave module a pair of It answers, the negative input end of the positive input terminal input reference voltage of voltage PI adjuster, voltage PI adjuster inputs the multichannel The output voltage of copped wave module, the positive input terminal of the output end connection electric current PI adjuster of voltage PI adjuster, electric current PI The negative input end of adjuster inputs the output electric current of the multichannel copped wave module, and the output end of electric current PI adjuster connects m A carrier wave hands over the positive input terminal for cutting comparator, and phase shifter exports m phase and successively interlocks 2 π/m carrier signal to m Carrier wave hands over the negative input end for cutting comparator, and each carrier wave, which is handed over, cuts the switching tube driving signal that comparator exports corresponding bridge arm.
The control signal output mouth of the controller passes sequentially through low pressure and adjusts part, constant current clipped portion, electric current tune Section device is handed over first carrier cut comparator positive input terminal respectively, the second carrier wave hands over a section comparator positive input terminal to be connected, first carrier Hand over a section comparator negative input end, the second carrier wave that a section comparator negative input end is handed over to be connected respectively with the output end of phase-shifting carrier wave part, The input terminal of phase-shifting carrier wave part is connected with the output end of carrier wave generating portion, the control signal input of carrier wave generating portion with The control signal output mouth of controller is connected；
First carrier hands over a section comparator output terminal to be connected respectively with the gate pole of S1, the first input terminal for negating circuit, and first Negate the gate pole of the output termination S2 of circuit；Second carrier wave hands over a section comparator output terminal to negate electricity with the gate pole of S3, second respectively The input terminal on road is connected, and second negates the gate pole of the output termination S4 of circuit；
The inspection with the sensor of detection semibridge system chopper circuit output voltage respectively of the detection signal input port of controller Survey signal output port, the signal output port for the sensor that detection semibridge system chopper circuit exports is connected.
The invention also includes unit microcomputer protection monitor part, transformer cooling system, rectification cooling system, detection rectifications The direct current transducer of transformer output current voltage, direct current banister S1~S4, PLC signal transmission port protected respectively with group microcomputer Protect the signal transmission port, the signal transmission port of transformer cooling system, the signal transmission for rectifying cooling system of monitor portion Port, the signal transmission port of direct current transducer, the signal transmission port of direct current banister are connected.
The invention also includes PWM drive part, the control signal input mouth of PWM drive part and the control signal of PLC Output port is connected, the control signal output mouth of PWM drive part control signal input mouth, the B with the control section A respectively The control signal input mouth of control section is connected.
The control section A and the control section B include the displacement that reactor is arrived to reactor control winding and one Winding, DC power supply are delivered to one of winding, change the magnetic density of autotransducer, adjust AC energy indirectly；A TA1 is controlled, B controls TA2；TA1, TA2 respectively correspond secondary winding star structure part and delta connection structure division.
The control section A is connect with transformer TA1 output end reactor, the control section B and transformer TA2 output end electricity Anti- device connection.
The invention also includes A phase shift diode and B phase shift diode, A phase shift diode and TA1 reactor are displaced winding terminal Mouth connection, B phase shift diode and transformer TA2 reactor displacement winding port connect.
The invention also includes control conversion section, control conversion section detects the work of direct current major loop by direct current transducer Whether normal make voltage, such as off-rating ± 10%, control system will issue instructions to tap changer and be adjusted.
The rectification cooling system includes the temperature sensor and rectification part cooling fan for detecting rectification part, and temperature passes The detection signal output port of sensor is connected with the detection signal input port of PLC, the control signal output mouth of PLC and rectification The control signal input mouth of component cooling fan is connected.
The transformer cooling system includes the temperature sensor and fan for cooling transformer for detecting transformer operating temperature, The detection signal output port of temperature sensor is connected with the detection signal input port of PLC, the control signal output mouth of PLC It is connected with the control signal input mouth of fan for cooling transformer.
Described group of microcomputer protection monitor part uses single-chip microcontroller, and the detection signal input port of single-chip microcontroller is pressed off with height respectively Close the detection signal output port of cabinet detection part, detection signal output port, the transformer of on-load voltage regulating switch detection part Detection signal output port, the detection signal output port of commutation system temperature detection part, the direct current of temperature detection part return The detection signal output port of the detection part on road.
The invention also includes exchange intelligent collector, the signal input port for exchanging intelligent collector is connected with TA1, TA2 Detection signal output port be connected with the signal input port of exchange conversion part,
Exchange intelligent collector signal output port respectively with the signal input port of the first synchronization detecting section, second The signal input port of synchronization detecting section is connected, and the signal output port of the first synchronous test section and the signal of the first MCU are defeated Inbound port is connected, and the signal output port of the second synchronous test section is connected with the signal input port of the 2nd MCU, the first MCU's Control signal output mouth is connected with the control signal input mouth of the first pulse amplifier part, the control of the first pulse amplifier part Signal output port processed is connected with the gate pole of the first thyristor of control tap changer；
The control signal output mouth of 2nd MCU is connected with the control signal input mouth of the second pulse amplifier part, the The control signal output mouth of two pulse amplifier parts is connected with the second gate circuit transistor gate of control tap changer；First thyristor Cathode connects the end L+ by switch QS2, and the first thyristor anode is connected with the second thyristor cathode, and the second thyristor anode is by opening It closes QS3 and connects the end L-.
The invention also includes first passage monitoring, second monitor portion, the first LCD to show that keyboard portion, the 2nd LCD are aobvious Show keyboard portion, the first communication interface part, the second communication interface part, the first A/D variable part, the 2nd A/D variable part, The part first switch amount I/O, the part second switch amount I/O, the first MCU are shown with first passage monitor portion, the first LCD respectively Keyboard portion, the first communication interface part, the first A/D variable part, the part first switch amount I/O are connected；
2nd MCU shows keyboard portion, the second communication interface part, the with second channel monitor portion, the 2nd LCD respectively Two A/D variable parts, the part second switch amount I/O are connected；
First communication interface part, the second communication interface part are connected with machine set PLC monitor portion respectively；First A/D becomes Amount part, the 2nd A/D variable part respectively with the turn on thyristors rate control unit on exchange conversion part, the first thyristor cathode Part is connected；
TA1, TA2 respectively correspond secondary winding star structure part and delta connection structure division.
First pulse amplifier part and the second pulse amplifier part use signal amplifier.
The exchange conversion part uses A/D variable module.Exchange conversion part acquires AC signal and direct current major loop Signal.
The synchronism of synchronization detecting section detection commutation system.
In Figure 21, TV is voltage transformer, detects busbar voltage.Channel monitoring include external switch amount, analog quantity detection, Forceful electric power source voltage detecting, pulse detection monitoring, two-node cluster hot backup channel monitoring.
The system that controller is made of digital processing unit, synchronization signal enter processor (MCU) by transformation, pulse letter It number is exported by processor, the phase sequence of trigger pulse can be set in LCD touch display screen.
Synchronous detection: detecting power grid PT three-phase synchronous signal, in number control device starting work, is guaranteeing to synchronize Under the frequency signal distortion factor, just start digital triggering pulse, otherwise issues lock-out signal.
Pulse amplifier: the pulse wave signal of output high-power in bandwidth range carries out power setting, gain adjustment, determines When test.
Channel monitoring: monitoring pulse transmittance process and pulse amplifier tubulose state.To controller Working Status Monitoring, issue Channels operation normal state signal.When the work of service aisle digital control implement is abnormal or has internal fault, channel failure letter is issued Number, start alternate channel.
Triggering power supply: to pulse amplifier output be monitored, when voltage fluctuation or be lower than an amplitude when, issue lose triggering electricity The alarm of source status fault, pulse blocking are simultaneously stopped status signal working properly.
Exchange conversion: being the voltage for mutual inductor being collected power grid, current signal, by being transformed into A/D variable module institute After the signal format needed, it is input to A/D transformer module.
When transformer secondary voltage is lower than rated value, there is load to adjust to upper end, reduce the first winding of transformer, thus Achieve the purpose that improve voltage.When transformer secondary voltage is higher than rated value, there is load to adjust to lower end, increase the one of transformer Secondary winding, to achieve the purpose that reduce voltage.
The micro-capacitance sensor power supply system includes micro-capacitance sensor controller, micro-capacitance sensor controller signals transmission port respectively with photovoltaic Signal transmission port, the signal transmission port of Active Power Filter-APF, the signal transmission port of energy storage inverter, wind of inverter Signal transmission port, the signal transmission port of microgrid energy power system of machine inverter are connected,
The microgrid energy power system uses computer.
The micro-capacitance sensor controller includes MCU, DSP, and the signal transmission port of MCU is connected with the signal transmission port of DSP, The control signal output mouth of MCU is connected with the input port of the first IPM module, the output port and DC/DC of the first IPM module The control port of module is connected, and the input port of DC/DC module is connected with photovoltaic module, the output port of DC/DC module and the The input port of one AC/DC module is connected；
The control signal input parallel port of first AC/DC module is connected with the output port of the 2nd IPM module, the 2nd IPM The input port of module connects dsp control signal output port, and dsp control signal output port connects the control of two-way AC/DC module Signal input port is connected, and two-way AC/DC module is contacted with battery group, the output port of the first AC/DC module, first respectively Device one end is connected, the signal input port and the signal output port of photovoltaic power generation, wind-power electricity generation load condition sampling module of DSP It is connected；
The control signal input mouth of first contactor is connected by relay with the control signal output mouth of DSP, the The one contactor other end is connected with the input terminal of AC load, the 2nd AC/DC module respectively, the output end of the 2nd AC/DC module Connect DC load, AC load is given a dinner for a visitor from afar power generator by second contactor, and the control signal input mouth of second contactor is logical Cross the control signal output mouth that relay meets DSP.
The microgrid energy power system includes data Layer, management level and dispatch layer, and data Layer sends out each generator unit Electrical power and the real-time dynamic acquisition of variation for loading realtime power, acquisition data are sent to management level and do data analysis and optimization, then The distribution of each unit is carried out by dispatch layer.
Data Layer of the present invention includes information collection part, data management part, status predication part, energy rate prediction section Divide, Network topology part；Management level include load switching part, system administration part, energy storage administrative section, Load flow calculation Partially, idle work optimization part, economic optimization part；Dispatch layer include generating set scheduling portion, energy storage management of charging and discharging part, Load management and scheduling portion.
Microgrid energy power cell Figure 25 energy work rate system of the present invention is by data acquisition, system administration And electricity consumption scheduling composition.Data acquisition mainly to each generator unit generated output and loads the variation realization of realtime power in real time Dynamic acquisition, acquisition data are sent to system management layer and do data analysis and optimization, then carry out each unit by system call layer Distribution, to the full extent guarantee micro-grid system be in optimal economical operation
Figure 24, sampling module sample photovoltaic power generation, wind-power electricity generation and loading condition, send to DSP, by presetting Priority carry out photovoltaic and wind-powered electricity generation switching, since generated output and bearing power are larger, DSP is driven by control relay Contactor.MCU passes through and DSP embedded scm cross complaint is defeated to photovoltaic power generation direct current by IPM module (intelligent power module) It is controlled out.
The invention also includes micro-capacitance sensor battery management system, micro-capacitance sensor battery management system includes host module, slave mould Block, protection plate module, display module；
Slave module and host module measurement cell voltage and temperature, balancing battery energy；Plate module is protected to carry out SOC It calculates, SOH is calculated, generates alert data；The charge and discharge of host module control protection board count battery pack information, are right System mode is detected, is controlled system mode；Display module shows the data of battery, provides sound-light alarm, record Data.
Battery management system provides cell voltage monitoring and alarm, and battery pack temperature monitoring and alarm, battery capacity are balanced. Battery management system is responsible for monitoring each group series-connected cell unit, different according to battery composition mode, and monitored battery unit can be with It is a high capacity cell monomer, is also possible to the assembly of multiple Small And Medium Capacity battery parallel connections.Figure 26, main control module pass through 485 bus interface are communicated with acquisition module, and BMS formulates battery by the real-time collection analysis to battery pack data, dynamic Management strategy controls battery work in suitable work by means such as balanced management, Charge Management, electric discharge management, border controls Condition.System has external interface abundant, can satisfy the application demand of a variety of occasions, these interfaces include: that voltage acquisition is defeated Incoming interface, temperature acquisition input interface, host communication interface, slave communicate, select to switch from host address；Protection board has electric current Sensor interface, temperature sensor interface, battery electrode interface, communication interface.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (1)

1. centralized high-voltage rectifying electric current distribution charging heap, including high voltage protective unit, high-voltage rectifying transformer unit, high repoussage Flow unit and charging pile group current distribution unit, it is characterised in that the output port and high-voltage rectifying transformer of high voltage protective unit The input port of unit is connected, and the output port of high-voltage rectifying transformer unit is connected with the input port of high-voltage rectifying unit, The output port of high-voltage rectifying unit is connected with the input port of charging pile group current distribution unit；
The charging pile group current distribution unit includes multiple charging piles, and each charging pile is in parallel, each charging pile electrical energy inputs with The output port of high-voltage rectifying unit is connected；
The high voltage protective unit includes incoming line cabinet, metering cabinet, PT cabinet, house transformer and outgoing line cabinet, the output end of incoming line cabinet Input with metering cabinet terminates a bus, the input terminal of the output termination PT cabinet of metering cabinet, and the output of PT cabinet terminates secondary mother Line, secondary bus are connected with the input terminal of the input terminal of house transformer, outgoing line cabinet respectively, and the output terminated high voltage of outgoing line cabinet is whole The input terminal of convertor transformer unit；
The rectifier transformer pair side of the high-voltage rectifying transformer unit uses star, triangle output-parallel structure；
It further include micro-capacitance sensor power supply system, the electric energy output end of micro-capacitance sensor power supply system is connected with secondary bus；
Micro-capacitance sensor power supply system includes master switch, step-up transformer, first switch, photovoltaic DC-to-AC converter, photovoltaic module, second opens Pass, blower inverter, wind-driven generator, third switch, energy storage inverter, energy-storage battery, the 4th switch and active power filtering Device, master switch one terminate secondary bus, and the master switch other end is connected with step-up transformer output end, step-up transformer input terminal point Do not switched with first switch one end, second switch one end, third one end, the 4th switch one end be connected, the first switch other end and The output end of photovoltaic DC-to-AC converter is connected, the output end of the input termination photovoltaic module of photovoltaic DC-to-AC converter；
The second switch other end is connected with the output end of blower inverter, and the input terminal of blower inverter is given a dinner for a visitor from afar the defeated of power generator Outlet；
The third switch other end is connected with the output end of energy storage inverter, and the input of energy storage inverter terminates energy-storage battery；
4th switch is another to be terminated with active power filter；
The high-voltage rectifying unit uses T1 high-voltage rectifier bridge and T2 high-voltage rectifier bridge, T1 high-voltage rectifier bridge and T2 high-voltage rectifier bridge Input terminal be connected with the output end of high-voltage rectifying transformer unit；
Or high-voltage rectifying unit uses pulse wave rectifier circuit, input terminal and the high-voltage rectifying transformer unit of pulse wave rectifier circuit Output end is connected；
The charging pile includes charging pile control system, and charging pile control system includes controller, semibridge system chopper circuit, sensing The signal transmission port of module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, controller passes through light-coupled isolation electricity Road respectively with the control signal input mouth of power output contactor, the control signal input mouth of indicator light, charging gun electronics The control signal input mouth of lock, user's port of charging gun, the signal transmission port of touch screen are connected；
The detection signal input port of controller switchs tube temperature with detection semibridge system chopper circuit respectively by photoelectrical coupler The signal output port of the temperature sensor of degree, the signal output port of the temperature sensor of detection charging gun temperature, CC1 control The detection signal output port of voltage detecting circuit is connected；
The control signal output mouth of controller is connected with the control signal input mouth of semibridge system chopper circuit；
The turn ratio of rectifier transformer first winding and secondary winding is 1: 1: 3, and wherein secondary winding star structure is 1, three Angular connection structure is 3；
The iron core of the rectifier transformer uses silicon steel sheet 30Q130, using 45 ° of full bias seams without latitude glass tape binding structure； 1 .58T of modulation flux density <, it can be ensured that when voltage ripple of power network+5%, iron core not overexcitation；Range of regulation considers network voltage wave Still output rated voltage when dynamic -5%；Whole 1 .65T of change flux density <；
High-voltage rectifying transformer unit further includes the voltage sensor for detecting low-pressure side voltage, the signal output end of voltage sensor Mouth is connected with the detection signal input port of controller, the control signal output mouth and adjusting high-pressure side umber of turn of controller Tap changer control signal input mouth be connected；
When the controller detects low-pressure side voltage lower than voltage rating 10%, controller controls tap changer and reduces high-pressure side The number of turns of winding；
High-pressure side winding includes U phase winding, V phase winding and W phase winding, and tap changer group includes the first tap changer of U phase, U phase Second tap changer, the first tap changer of V phase, the second tap changer of V phase, the first tap changer of W phase, the second tap changer of W phase, U phase winding centre cap be U phase input terminal and respectively with the first terminals of the first tap changer of W phase, the second tap changer of W phase the One terminals are connected；
V phase winding centre cap is V phase input terminal and opens respectively with the first terminals of the first tap changer of U phase, the second pressure regulation of U phase The first terminals are closed to be connected；
W phase winding centre cap is W phase input terminal and opens respectively with the first terminals of the first tap changer of V phase, the second pressure regulation of V phase The first terminals are closed to be connected；
The second wiring of the first tap changer of U phase terminates U phase winding one end, another the second tap changer of termination U phase second of U phase winding Terminals；
The second wiring of the first tap changer of V phase terminates V phase winding one end, another the second tap changer of termination V phase second of V phase winding Terminals；
The second wiring of the first tap changer of W phase terminates W phase winding one end, another the second tap changer of termination W phase second of W phase winding Terminals；
Further include control conversion section, control conversion section by direct current transducer detection direct current major loop operating voltage whether Normally, such as off-rating ± 10%, control system will issue instructions to tap changer and be adjusted；
It further include unit microcomputer protection monitor part, transformer cooling system, rectification cooling system, detection rectifier transformer output The direct current transducer of Current Voltage, direct current banister S1~S4, PLC signal transmission port respectively with unit microcomputer protection monitor portion Signal transmission port, the signal transmission port of transformer cooling system, the signal transmission port for rectifying cooling system, direct current divided Signal transmission port, the signal transmission port of direct current banister of sensor are connected；
Unit microcomputer protection monitor part uses single-chip microcontroller, and the detection signal input port of single-chip microcontroller is examined with high-tension switch cabinet respectively Survey detection signal output port, the detection signal output port of on-load voltage regulating switch detection part, the transformer temperature inspection of part Survey the inspection of the detection signal output port of part, the detection signal output port, DC loop of commutation system temperature detection part Survey the detection signal output port of part；
It further include exchange intelligent collector, the signal input port for exchanging intelligent collector is connected with TA1, exchanges intelligent collector Signal output port respectively with the signal of the signal input port of the first synchronization detecting section, the second synchronization detecting section input Port is connected, and the signal output port of the first synchronous test section is connected with the signal input port of the first MCU, the second synchronous detection The signal output port in portion is connected with the signal input port of the 2nd MCU, the control signal output mouth and the first arteries and veins of the first MCU The control signal input mouth for rushing power amplifier part is connected, the control signal output mouth of the first pulse amplifier part and control pressure regulation The gate pole of first thyristor of switch is connected；
The control signal output mouth of 2nd MCU is connected with the control signal input mouth of the second pulse amplifier part, the second arteries and veins The control signal output mouth for rushing power amplifier part is connected with the second gate circuit transistor gate of control tap changer；First thyristor cathode The end L+ is connect by switch QS2, the first thyristor anode is connected with the second thyristor cathode, and the second thyristor anode passes through switch QS3 connects the end L-；
Using 7 segmentation tap changers, the AC energy of power grid is by entering tap changer after high-voltage switch gear, tap changer is by dividing Connecing switch can operate with carrying；The gear of tap changer shows that signal is transmitted to commutation system control cabinet, and can receive control cabinet Have load boosting, have load be depressured and have carry emergency stop operation signal；Transformation tap is carried out to the primary side of transformer to adjust voltage Operation, guarantee secondary side export one compared with stable voltage；When system detection to direct current primary voltage is lower than voltage rating 10% When, control system adjusts tap changer, by reducing the number of turns of first winding, improves secondary winding output voltage；
Star and delta connection is respectively adopted in rectifier transformer secondary side winding, makes phase shifting between two groups of three-phase alternating-current supplies It is 30 °, equal in magnitude, so that output rectified voltage is pulsed 12 times in each AC mains cycle, high-voltage rectifying transformer unit Rectifier transformer secondary winding be respectively connected to T1 and T2 high-voltage rectifier bridge after, exported after two groups of direct current outputs are in parallel；
It further include PWM drive part, the control signal output mouth phase of the control signal input mouth and PLC of PWM drive part Even, the control signal output mouth of PWM drive part respectively with the control signal input mouth of the control section A, the control section B Control signal input mouth is connected；
The control section A and the control section B include the displacement winding that reactor is arrived to reactor control winding and one, DC power supply is delivered to one of winding, changes the magnetic density of autotransducer, adjusts AC energy indirectly；A control TA1, B control TA2；TA1, TA2 respectively correspond secondary winding star structure part and delta connection structure division；
The control section A is connect with transformer TA1 output end reactor, the control section B and transformer TA2 output end reactor Connection；
It further include A phase shift diode and B phase shift diode, A phase shift diode is connect with TA1 reactor displacement winding port, and B is moved Diode phase and transformer TA2 reactor displacement winding port connect；
Reactor includes control winding, displacement winding, spare winding；DC power supply is delivered to one of winding, changes from full With the magnetic density of reactor, AC energy, steady-state adjustment are adjusted indirectly；
Have and carry the alternating voltage that tap changer is inputted in the primary-side-control of rectifier transformer, control exports in a certain range D. C. value；There is load tap changer to be used in combination with the saturable reactor being connected in rectifier output circuit；By in reactance DC current is introduced in device, makes to generate a variable impedance in route；By controlling the voltage drop at reactor both ends, output valve It is controlled in narrow range；
The switching tube driving signal of each bridge arm of semibridge system chopper circuit is limited the two close cycles control of output electric current by constant output voltage Circuit processed generates, which includes voltage PI adjuster, electric current PI adjuster, phase shifter and m Carrier wave, which is handed over, cuts comparator, and m carrier wave hands over the m bridge arm cut in comparator and multichannel copped wave module to correspond, voltage The positive input terminal input reference voltage of PI adjuster, the negative input end input multichannel copped wave module of voltage PI adjuster Output voltage, the positive input terminal of the output end connection electric current PI adjuster of voltage PI adjuster, electric current PI adjuster are born Input terminal inputs the output electric current of multichannel copped wave module, and the output end of electric current PI adjuster, which connects m carrier wave and hands over to cut, to be compared Compared with the positive input terminal of device, phase shifter exports m phase, and successively staggeredly 2 π/m carrier signal to m carrier wave friendship section is compared The negative input end of device, each carrier wave, which is handed over, cuts the switching tube driving signal that comparator exports corresponding bridge arm；
Uin is the DC voltage that transformer rectifying part provides, and C1 is input filter capacitor, and S1, S2, L2 form a half-bridge function Rate topology, S3, S4, L2 form another half-bridge power topology, and C2 is output filter capacitor, and IL is inductive current sampling, and Uo is Charge output voltage；G1-g4 corresponds to the driving signal of S1-S4, by the pulsewidth modulation of g1-g4, realizes the constant current of charge power supply Limited-voltage control；
Including intelligent charging spot dynamic allocation system regulating loop, charging voltage gives Uref and charging current gives Iref to set The a reference value of fixed charging voltage and electric current, output voltage sample the controlled volume that Uo and inductive current sampling IL is charge power supply； The modulating wave obtained by voltage regulator and current regulator, with two staggeredly 180 ° triangular carrier carry out carrier wave hand over cut, Driving signal g1-g4 is generated, realizes the stability contorting of charge power supply；Wherein, g1/g2 and g3/g4 distinguishes complementary duty；
Microgrid energy power cell is acquired by data, system administration and electricity consumption scheduling form；Data acquisition is mainly to each hair Real-time dynamic acquisition is realized in electric unit generated output and the variation for loading realtime power, and acquisition data, which are sent to system management layer, does number According to analysis and optimize, then carry out the distribution of each unit by system call layer, guarantees at micro-grid system to the full extent In optimal economical operation；
Sampling module samples photovoltaic power generation, wind-power electricity generation and loading condition, send to DSP, by preset priority Photovoltaic and wind-powered electricity generation switching are carried out, since generated output and bearing power are larger, DSP drives contactor by control relay； MCU is by controlling photovoltaic power generation direct current output by IPM module with DSP embedded scm cross complaint；
It further include micro-capacitance sensor battery management system, micro-capacitance sensor battery management system includes host module, slave module, protection template die Block, display module；
Slave module and host module measurement cell voltage and temperature, balancing battery energy；Plate module is protected to carry out SOC meter It calculates, SOH is calculated, generates alert data；The charge and discharge of host module control protection board count battery pack information, to being System state is detected, is controlled system mode；Display module shows the data of battery, provides sound-light alarm, record number According to；
Battery management system provides cell voltage monitoring and alarm, and battery pack temperature monitoring and alarm, battery capacity are balanced；Battery Management system is responsible for monitoring each group series-connected cell unit, different according to battery composition mode, and monitored battery unit can be one A high capacity cell monomer is also possible to the assembly of multiple Small And Medium Capacity battery parallel connections；Main control module passes through 485 bus interface It is communicated with acquisition module, BMS formulates battery management strategy by the real-time collection analysis to battery pack data, dynamic, leads to The means control battery work such as balanced management, Charge Management, electric discharge management, border control is crossed in suitable operating condition；System has External interface abundant meets the application demand of a variety of occasions, these interfaces include: voltage acquisition input interface, temperature acquisition Input interface, host communication interface, slave communicate, select to switch from host address；Protection board has current sensor interface, temperature Sensor interface, battery electrode interface, communication interface；
The charge step of charging pile is successively are as follows: precharge, connection confirmation, self-test stage, configuration phase, charging stage and end rank Section；
Connect verification step successively are as follows: controller is powered to preliminary filling rifle electronic lock, and controller detects preliminary filling rifle electronic lock feedback letter Number, controller detects CC1 signal；
Self-test stage etch is successively are as follows: closure contactor KM3, detection insulating monitoring signal, leadage circuit；
Configuration phase step is successively are as follows: charging pile controller and vehicle control device carry out handshake message, closure contactor KM4；
Charging stage step is successively are as follows: charging pile controller and vehicle control device carry out communication packet；Charging pile controller is adjusted The voltage and current of semibridge system chopper circuit power output；Judge whether charge rest, if not recharge stage etch, if into Enter ending phase；
Ending phase step is successively are as follows: charging pile controller and vehicle control device carry out charge rest message, disconnect contactor KM4, leadage circuit disconnect contactor KM3, unlock charging gun electronic lock, detection charging gun whether deposit by return charging pile controller Store up Vehicular battery model, characteristic and charging curve mathematical model, when vehicle control device is communicated with charging pile controller, charging pile Controller reads the battery information of the vehicle, and charging pile controller recalls and the vehicle battery behavior according to the battery information of the vehicle The mathematical model matched, provides charging current and voltage；
Micro-capacitance sensor power supply system includes micro-capacitance sensor controller, micro-capacitance sensor controller signals transmission port respectively with photovoltaic DC-to-AC converter Signal transmission port, the signal transmission port of Active Power Filter-APF, the signal transmission port of energy storage inverter, blower inverter Signal transmission port, the signal transmission port of microgrid energy power system be connected；
The micro-capacitance sensor controller includes MCU, DSP, and the signal transmission port of MCU is connected with the signal transmission port of DSP, MCU Control signal output mouth be connected with the input port of the first IPM module, the output port of the first IPM module and DC/DC mould The control port of block is connected, and the input port of DC/DC module is connected with photovoltaic module, the output port of DC/DC module and first The input port of AC/DC module is connected；The control signal input parallel port of first AC/DC module and the output of the 2nd IPM module Port is connected, and the input port of the 2nd IPM module connects dsp control signal output port, and dsp control signal output port connects two-way The control signal input mouth of AC/DC module is connected, two-way AC/DC module respectively with battery group, the first AC/DC module it is defeated Exit port, first contactor one end are connected, and signal input port and photovoltaic power generation, the wind-power electricity generation load condition of DSP samples mould The signal output port of block is connected；
The control signal input mouth of first contactor is connected by relay with the control signal output mouth of DSP, and first connects The tentaculum other end is connected with the input terminal of AC load, the 2nd AC/DC module respectively, and the output termination of the 2nd AC/DC module is straight Current load, AC load are given a dinner for a visitor from afar power generator by second contactor, the control signal input mouth of second contactor by after Electric appliance connects the control signal output mouth of DSP；
The output port of high-voltage rectifying transformer unit exports 12 pulse wave 840V/1500A pulse voltages.
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Publication number Priority date Publication date Assignee Title
RU2785256C1 (en) * 2022-03-30 2022-12-05 Ильдар Фанильевич Зайнуллин Wind power plant

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CN206517091U (en) * 2017-01-09 2017-09-22 深圳市深泰明科技有限公司 A kind of direct-current charging post controller and charging pile control system

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CN202840641U (en) * 2012-02-08 2013-03-27 广东电网公司 Electric automobile charging facilities
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