CN106904089A - A kind of charging system for electric automobile of use dc loop circuit - Google Patents
A kind of charging system for electric automobile of use dc loop circuit Download PDFInfo
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- CN106904089A CN106904089A CN201710158728.0A CN201710158728A CN106904089A CN 106904089 A CN106904089 A CN 106904089A CN 201710158728 A CN201710158728 A CN 201710158728A CN 106904089 A CN106904089 A CN 106904089A
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- charging
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- 238000007600 charging Methods 0.000 title claims abstract description 222
- 238000004891 communication Methods 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims description 73
- 238000010168 coupling process Methods 0.000 claims description 73
- 238000005859 coupling reaction Methods 0.000 claims description 73
- 238000009413 insulation Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000010365 information processing Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- H02J7/0027—
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging system for electric automobile of use dc loop circuit, including the dc loop circuit charging system that the charhing unit for being independently arranged more than one is constituted using the connected mode of dc loop circuit, one or more than one charhing unit are installed in one or more than one cabinet, one charhing unit, including ac input division point, charging module group, direct current output part, control unit, communication bus and charhing unit cabinet.The present invention can obtain charge power from connected other systems, the single charhing unit for so being linked together constitutes a dc loop circuit charging system, charging module is fully utilized, simultaneously because charging module is dispersed in different independent charging systems, heat dissipation problem is solved by dispersion；What is more important, each single charging system can be standardized, used as the charging system required for a single module construction, it is to avoid the brought problem of customization.
Description
Technical field
The present invention relates to charging electric vehicle field, and in particular to a kind of charging electric vehicle system of use dc loop circuit
System.
Background technology
For the charging system of electric automobile, most of producers are all using independent system, usually in a charging
In stake, one or two charging gun is set.There is no the contact of loop of power circuit between single charging pile.The charging pile of this form
There is the form of split, charging module is separated with other parts；Also there is the form of one, charging module is concentrated on other parts
In one cabinet.
The charging station constituted using this single independent charging system of multiple, most significant problem is that charging module can not
Make full use of.Typically, when peak power of the power for needing to charge more than separate payment, although other charging piles
Without taking, its charging module cannot also be utilized.The another aspect of this problem is, to provide enough charge powers, each
The configuration of the charging module of separate payment will be sufficiently large, causes total input to increase.
Next to that when high-power system is constituted, it is difficult to solve in outdoor environment charging module heat dissipation problem.Charging
When system is too big, the heating of charging module is too big, to solve heat dissipation problem, generally requires to increase rack volume, increases air draft etc. and dissipates
The input of thermal.
To make full use of charging module, also there are indivedual producers to attempt different modes.Wherein most commonly seen one kind be by
A number of charging module puts together, and the requirement according to each connected charging terminal carries out power distribution.This
It is exactly the mode of so-called " charging heap " or " flexibility charges ".What this mode can solve the problem that charging module makes full use of problem,
But new problem is brought again.
First it is heat problem.The module number that this mode is concentrated is more more than separate payment, and what charging module generated heat asks
Topic is more protruded, therefore the cabinet of installation charging module is bigger, and the radiating input such as air draft is bigger.This requires bigger occupation of land face
Product could be implemented.
Next to that cannot standardization issue.The demand of each charging station is variant, the quantity of charging terminal and charging
Power configuration is all different, and charging system is required for customizing again.Equipment for customizing it is relatively costly, design of hardware and software difficulty is big, often
Secondary charging system is all difficult to fully checking, there is system reliability risk.
Further, this method between charging module and charging terminal, it is necessary to one switching array, switch array logic
Complexity, switching device is more, there is also security risk.
The mode of " charging heap " or " flexibility charge ", or other charging modules connected mode, all suffer from one
Problem, a group or a charging module can receive the control of the control unit from multiple charging inlets, and each control is single
Unit, it is desirable to any one in its range of choice or one group of charging module can be controlled.Producer solves this mostly at present
Combinations of communication problem, is all using the opening and closing of mode of physics, for example, one group of charging module will be with some control unit
Communication, just this group of communication bus of charging module is connected by the bus of relay and the control unit, this switching
The maximum problem of mode is unreliable, because signal of communication is faint electronic signal, the resistance of physics closing point is often because planting
Kind of random cause is excessive and blocked.
The content of the invention
The present invention couples together multiple independent charging systems using the connected mode of dc loop circuit, makes any one
Separate payment, can obtain charge power from connected other charhing units, and the charhing unit of interconnection is constituted
One dc loop circuit charging system, charging module is fully utilized.
The present invention is achieved through the following technical solutions：A kind of charging system for electric automobile of use dc loop circuit,
It is characterized by：Including more than one independent charhing unit is filled using the dc loop circuit that dc loop circuit connected mode is constituted
Electric system, one or more than one charhing unit are installed in one or more than one cabinet,
Described charhing unit, including AC input cell A, charging module or charging module group B, Direct Current Distribution Unit C,
Cabinet F where control unit D, communication bus E and charhing unit.
Used as preferred technical scheme, the AC power of input is distributed to charging module or module by AC input cell A
Group B, and other power devices；The circuit of AC input cell A distribution AC powers is provided with protection, measurement apparatus.
Used as preferred technical scheme, AC power is transformed to dc source by charging module or charging module group B, is filled
The controlled cells D control of transformation parameter of electric module a, charhing unit includes the charging module or charging mould described in several
Block group B, the charging module group is made up of several charging modules, and same group of charging module has one altogether in communication protocol
Same address field, in order to the identification in the communications to it of other devices.
As preferred technical scheme, the Direct Current Distribution Unit C, by charging module or charging module group B export it is straight
Stream electricity is assigned to charging gun, and described direct current distributor circuit is provided with protection, measurement and control device, and what direct current was assigned to fills
Electric rifle；
The Direct Current Distribution Unit C, the 1st tie point A and the 2nd tie point B containing dc loop circuit, and can coupling or uncoupling means
C, D, for this charhing unit to be connected to become into dc loop circuit with other charhing units of composition charging system.
As preferred technical scheme, described control unit D, comprising man-machine interoperability device, master control borad, Insulation monitoring
Device, communicator, the master control borad of control unit D obtain letter from man-machine interoperability device and by communicator from host computer
Breath, the intelligent apparatus with insulation detection device, AC input cell A and Direct Current Distribution Unit C communicate, with exchanging for charhing unit
The detection means of input block A and the Direct Current Distribution Unit C being connected with electric automobile is connected is sampled, according to communication
The information obtained with sampling, carries out information processing, and output control signal controls AC input cell A's and Direct Current Distribution Unit C
Controllable device, completes the guided procedure with electric automobile.
As preferred technical scheme, described man-machine interoperability device, including card reader, electronic operation screen etc..It is described
Electronic operation screen, as preferred technical scheme, using touch-screen, can both be input into information, it is also possible to be believed by display output
Breath.
As preferred technical scheme, described insulation detection device, for the both positive and negative polarity bus pair of Direct Current Distribution Unit C
The Insulation monitoring on ground, described communicator is used for the communication of control unit and host computer.
As preferred technical scheme, described controllable device, including A.C. contactor and D.C. contactor, relay
Device.
As preferred technical scheme, described communication bus E, for intelligent cell in dc loop circuit charging system
Communication.
Used as preferred technical scheme, the cabinet F where described charhing unit constitutes the institute of charhing unit for installing
There is device.
Used as preferred technical scheme, the dc loop circuit connected mode is the Direct Current Distribution Unit C in charhing unit
It is interior, in the positive negative circuit between charging module or charging module group B outputs and charging gun, all it is respectively equipped with the first tie point A
With the second tie point B, as dc loop circuit connect points of common connection；Points of common connection be located at module or module group B output with
Between the current sensing means of the charhing unit in Direct Current Distribution Unit C, the detectable outflow of the current sensing means is charged single
The total current of unit, including the electric current sent by dc loop circuit from other charhing units, described current sensing means, including point
Stream device or Hall sensor.
Used as preferred technical scheme, described charging system for electric automobile includes one 1 to N number of charhing unit；Direct current
The connected mode of loop, using the first tie point A1 of the 1st charhing unit connect the charhing unit can coupling or uncoupling means C1
1st tie point T1, can coupling or uncoupling means C1 the 2nd tie point T2 and the 2nd charhing unit can coupling or uncoupling means D1 the 1st tie point T1
It is connected, the 2nd tie point T2 of the coupling or uncoupling means D1 is connected with the 2nd tie point B2 of the 2nd charhing unit, the 2nd connection unit
1st tie point A2 and the charhing unit can the 1st tie point T1 of coupling or uncoupling means C2 be connected, it is described can coupling or uncoupling means C2
2nd tie point T2 is connected with the 2nd tie point B of next charhing unit, so circulation, until N charhing units；N charges
2nd tie point BN of unit and N-1 charhing units can the 2nd tie point T2 of coupling or uncoupling means C (N-1) be connected, N units
1st tie point AN and described charhing unit can the 1st tie point T1 of coupling or uncoupling means CN be connected, described can coupling or uncoupling means CN
The 2nd tie point T2 be connected with the 2nd tie point B1 of the 1st charhing unit, from the 1st charhing unit to the 1st of N charhing units the connect
Contact, the 2nd tie point, can coupling or uncoupling means C the constituted circuit that joins end to end for dc loop circuit.
Used as preferred technical scheme, described n-th charhing unit, the minimum number of N is 3.
As preferred technical scheme, it is described can coupling or uncoupling means C, with two connection terminals T1 and T2, two
Between individual connection terminal, be one can be with the contact of closed and disconnected, it closes or disconnects the control of controlled cells D, contact
Device can be used as it is described can coupling or uncoupling means；The 1st described tie point A and the 2nd tie point B, had both referred to charhing unit direct-flow positive pole
Tie point on bus, also refers to the tie point of negative electrode bus, it is described can coupling or uncoupling means C, both connected in positive electrode bus, also exist
Connected on negative electrode bus.
Used as preferred technical scheme, described charging system for electric automobile includes several charhing units, from the 1st to
N-th；The connected mode of described dc loop circuit connects the charhing unit using the first tie point A1 of the 1st charhing unit
Can coupling or uncoupling means C1 the 1st tie point T1, it is described can coupling or uncoupling means C1 the 2nd tie point T2 and the 2nd charhing unit can division
The 1st tie point T1 of device D2 is connected, the 2nd tie point T2 of described coupling or uncoupling means D2, and the with the 2nd charhing unit the 2nd is connected
Point B2 is connected；1st tie point A2 of the 2nd charhing unit and the charhing unit can coupling or uncoupling means C2 the 1st tie point T1 phases
Even, it is described can coupling or uncoupling means C2 the 2nd tie point T2 and next charhing unit can coupling or uncoupling means D the 1st tie point T1
Be connected, it is described can the 2nd tie point T2 of coupling or uncoupling means D be connected with the described tie point B of charhing unit the 2nd；So circulation, directly
To N charhing units；2nd tie point B of N charhing units and N charhing units can coupling or uncoupling means DN the 2nd tie point T2
Be connected, it is described can coupling or uncoupling means DN the 1st tie point T1, with N-1 charhing units can coupling or uncoupling means C (N-1) the 2nd company
Contact T2 is connected, the 1st tie point AN of N units and described charhing unit can coupling or uncoupling means CN the 1st tie point T1 phases
Even, it is described can coupling or uncoupling means CN the 2nd tie point T2 and the closed separating device D1 of the 1st charhing unit the 1st tie point T1 phases
Even, the 2nd tie point T2 of described closed separating device D1, the 2nd tie point B1 with the 1st charhing unit are connected.It is described to be filled from the 1st
Electric unit to the 1st tie point of N charhing units, the 2nd tie point, can coupling or uncoupling means C, can coupling or uncoupling means D the institute that joins end to end
The circuit of composition is exactly dc loop circuit.
Used as preferred technical scheme, described n-th charhing unit, the minimum number of N is 3, can coupling or uncoupling means
C, D use contactor；1st tie point A and the 2nd tie point B, had both referred to the tie point on charhing unit direct-flow positive pole bus,
Refer to the tie point of negative electrode bus, described can coupling or uncoupling means C, D, the respectively connection on positive electrode bus, negative electrode bus；Each by institute
The charging module or charging module group B of the charhing unit of connected mode connection are stated, can be exported by described dc loop circuit
Power is to other charhing units.
As preferred technical scheme, dc loop circuit connected can coupling or uncoupling means C, D, can both be connected to dc loop circuit
Positive electrode bus and negative electrode bus, it is also possible to be just connected to positive electrode bus or negative electrode bus；
As preferred technical scheme, it is described can coupling or uncoupling means be connected to positive electrode bus, the 1st to N charhing units institute
The dc loop circuit of connection, positive electrode bus by the 1st to N charhing units the first tie point A, the second tie point B, can coupling or uncoupling means
C, D's connects and composes；On negative electrode bus, the tie point A1 of negative pole the 1st of the 1st charhing unit, the with the 2nd charhing unit the 2nd is connected
Point B2 is connected, and the 1st tie point A2 of the 2nd charhing unit is connected with the 2nd tie point B of next charhing unit, so circulation,
Until the 2nd tie point BN of N charhing units, it is connected with the 1st tie point A (N-1) of N-1 charhing units, N charhing units
The 1st tie point AN, the 2nd tie point B1 with the 1st charhing unit is connected.It is described from the 1st charhing unit to N charhing units,
1st tie point of described charhing unit in positive electrode bus, the 2nd tie point, can coupling or uncoupling means C, D join end to end, negative pole is female
The 1st tie point of described charhing unit, the 2nd tie point the constituted circuit that joins end to end are also dc loop circuit on line.
As preferred technical scheme, it is described can coupling or uncoupling means be connected to negative electrode bus, the 1st to N charhing units institute
The dc loop circuit of connection, negative electrode bus by the 1st to N charhing units the first tie point A, the second tie point B, can coupling or uncoupling means
C, D's connects and composes；In positive electrode bus, the tie point A1 of negative pole the 1st of the 1st charhing unit, the with the 2nd charhing unit the 2nd is connected
Point B2 is connected, and the 1st tie point A2 of the 2nd charhing unit is connected with the 2nd tie point B of next charhing unit, so circulation,
Until the 2nd tie point BN of N charhing units, it is connected with the 1st tie point A (N-1) of N-1 charhing units, N charhing units
The 1st tie point AN, the 2nd tie point B1 with the 1st charhing unit is connected.It is described from the 1st charhing unit to N charhing units,
1st tie point of described charhing unit on negative electrode bus, the 2nd tie point, can coupling or uncoupling means C, D join end to end, positive pole is female
The 1st tie point of described charhing unit, the 2nd tie point the constituted circuit that joins end to end are also dc loop circuit on line.
Used as preferred technical scheme, all charhing units use a common control unit D, are uniformly controlled all filling
Electric unit；Or each charhing unit uses single control unit D.
Used as preferred technical scheme, using the control unit D of independent control, one of them is set in advance as undertaking all
Chief coordinator's function of control unit, chief coordinator's function is used to complete the task outside each charhing unit control task, receives
The information of all control units, according to the working condition and the charging requirement of each charhing unit that charge, issues control instruction, control
Each charhing unit power output, control dc loop circuit can coupling or uncoupling means division, control charhing unit charging guiding indicate.
As preferred technical scheme, chief coordinator's function is undertaken using independent chief coordinator's device；Described chief coordinator's dress
Put and be connected on communication bus E, with intelligent function, can be communicated with all control unit D, obtain the charging of each charhing unit
Information, is processed information, output control instruction.
It is that dc loop circuit charges for the communication bus E of dc loop circuit charging system communication as preferred technical scheme
The unified common communicating bus that all charging modules in all units or module group B and control unit D in system are used,
Described charging module or communication module set B and control unit D, using fixed connection, share same public with communication bus
Physical connection.
As preferred technical scheme, the charging module or charging module group of all charhing units of the charging system it
Between, the communication between charging module and charging module group B and control unit D, in the communication protocol that its communication bus is run,
In the address field of device, charging module group group number field is provided with, constituting one group in order to multiple charging modules is controlled.
Used as preferred technical scheme, described charhing unit is provided with the preferential guiding instruction device that charges, guides electronic vapour
Car is charged successively according to indicated rechargeable unit, improves the charging utilization rate of dc loop circuit charging system, indicates dress
Put controlled unit control.Used as preferred technical scheme, priority instruction means can also use sound using lamplight pointing
Sound is indicated, or uses light and audio knowledge simultaneously.And lamplight pointing is used, as preferred technical scheme, between can using
The mode of disconnected flicker.
Used as preferred technical scheme, one or more than one charhing unit are installed in a cabinet F, composition one
Body formula structure.
Used as preferred technical scheme, the AC portion and charging module of more than one charhing unit are placed on a cabinet
In body, direct current component, control unit are placed in another cabinet, separately installed as charging terminal, and composition one is split type
Structure.
As preferred technical scheme, each charhing unit of charging system is constituted, the quantity of the charging gun of output is matched somebody with somebody
More than 1 is put, some charhing units charging gun are configured, the cells D output-controlled processed control of charging gun is more that charging gun is adopted
With the mode for taking turns to operate, the power output of charhing unit is shared.
The beneficial effects of the invention are as follows：The present invention passes through using the connected mode of dc loop circuit, multiple independent chargings
Unit is coupled together, and makes any one charhing unit, can obtain charge power from connected other charhing units,
Charging module is fully utilized；Simultaneously because charging module is dispersed in different charhing units, heat dissipation problem is solved by dispersion
Certainly；What is more important, charhing unit can be standardized, and the combination using standardized charhing unit meets different charging need
Will, it is to avoid the brought problem of customization.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, below will be to being wanted needed for embodiment or description of the prior art
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is functional-block diagram of the invention；
Fig. 2 is the schematic diagram of embodiments of the invention.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
In the present embodiment, as depicted in figs. 1 and 2,4 charhing units are provided with altogether, 2 charhing units share 1 cabinet
Body, 4 charhing units, 2 cabinets.4 charhing units are filled using the dc loop circuit that the connected mode of dc loop circuit is constituted
Electric system.Charhing unit in each cabinet shares AC input cell.
Each charhing unit, including AC input cell, charging module group, Direct Current Distribution Unit, control unit, logical
Letter bus, dc loop circuit.
Wherein, ac input division point, AC power is distributed to charging module and auxiliary by configuration breaker and power lines
Circuit.To those skilled in the art, on the premise of not paying creative work, can be single in exchange input
Unit configures Surge Protector, kilowatt-hour meter.
It is one group that each charhing unit configures 2 charging modules, the controlled unit control of charging module.
Direct Current Distribution Unit is configured with contactor, current divider, charging gun, direct current kilowatt-hour meter.
In Direct Current Distribution Unit, dc loop circuit tie point is set, 4 both positive and negative polarity buses of charhing unit are connected by loop
The composition dc loop circuit that joins end to end of point, contactor.
In the present embodiment, the position of dc loop circuit tie point is selected between charging module direct current output and current divider, shunting
Device can detect all electric currents by charhing unit.
In the present embodiment, in all of 4 charhing units in dc loop circuit charging system, all charging modules and control
Unit uses unified common communicating bus, logical between different charging module groups to realize different control units
Letter, charging module and control unit, all using being fixedly connected, are not switched with bus by relay.
In the communication protocol of charging module and controller, charging module group group number field is provided with, is charged in order to multiple
Module constitutes one group and is controlled, and the control unit on communication bus can control whole group charging module by group number with convenient,
Communication efficiency is greatly improved.
The signal circuit of control unit is connected by output connection with charging gun, is connected with electric motor car by charging gun,
Control unit interacts control, and information communication by charging gun and electric automobile, so as to the requirement according to electric automobile,
Control charging module and other devices of direct current output part, according to standard and journey that the charge protocol with electric automobile is arranged
Sequence, realizes the charge function of electric automobile.
In the present embodiment, two control units in a charging cabinet share a touch-screen, and each is controlled
Unit, contains independent card reader, master control borad, insulation detection device.The control unit of the 1st charhing unit is set as chief coordinator is controlled
Unit processed, coordinates all control units of control.
In the present embodiment, each charhing unit is indicated, according to institute in the form of indicator lamp flicker as preferential guiding of charging
The rechargeable unit of instruction is charged successively, the charging ability utilization rate highest of dc loop circuit charging system, is charged each time
Chargeable power it is maximum, the controlled unit control of instruction device.
In the present embodiment, each is 15kw to charging module, and one group of power of charging module is 30kw.Each charhing unit
Charge power is 30kw, and 4 total charge powers of charhing unit are 120kw.
In this example, each charging gun, exportable power is：Tetra- kinds of power of 30kw, 60kw, 90kw, 120kw, pass through
Dc loop circuit, each charhing unit can take the power of other charhing units on two neighboring direction.For example it is single when charging
Unit 2 gives the charging electric vehicle for being connected on this unit using the 30kw charging modules power of this unit, and charhing unit 1 has car to come to be needed
Charge, demand power 60kw, charhing unit 1 can take the charge power of charhing unit 4, charhing unit by dc loop circuit
4 charging module group is incorporated to charhing unit 1 after its contactor is closed, and the control unit of charhing unit 1 passes through common bus
The charging module group of charhing unit 4 is controlled, the output of charhing unit 1 reaches 60kw.
It is occupied in only charhing unit 2, and charge power is exactly the 30kw of this charhing unit, now charhing unit 1
Preferential charging guiding indicator lamp flicker with charhing unit 3, indicates optimal charge position.Because if second is carried out car selection
After charhing unit 4, if charge requirement is the 30kw of this charhing unit, the maximum output of charhing unit 1 and 3 is only it and fills
The charge power 30kw of electric unit, can not increase.But carry out car to be charged 1 or 3, if using only 30kw, remaining two
Individual charge position can also export 60kw, at utmost using charge power.
Total charge power of this example is 120kw, is arranged respectively in two charging cabinets, and the charging general power of each cupboard is
60kw, power is the half of general power, the concentration heating that so original 120kw charges, and is divided at two cabinets of 60kw
Reason, difficulty is greatly reduced.
Be can see from this example, all charging cabinets are all same configurations, be a standard cabinet, two sets of charging cabinets constitute one
The rifle charging systems of individual 120kw 4, constitute a big module, with both standard modules, can meet the difference of different charging stations
The demand of charge power, to reach the most effective utilization of charge power.
Relative to " charging heap " or " flexibility charges ", its 4 groups of charging modules and the output of 4 tunnels are arranged in pairs or groups, and need to set up altogether
The switching array of 4x4x2 is, it is necessary to 32 switching devices can be only achieved any charging gun and can export the purpose of 120kw.Using
Dc loop circuit charging modes, it is only necessary to which 8 switching devices, switch control logic is greatly simplified, and reliability is greatly improved.
Wherein, AC input cell A, charging module or module group B, and other use are distributed to by the AC power of input
Electric installation；The circuit of AC input cell A distribution AC powers is provided with protection, measurement apparatus.
Charging module or charging module group B, dc source is transformed to by AC power, and the transformation parameter of charging module is controlled
Cells D control processed a, charhing unit includes the charging module or charging module group B described in several, the charging module group
It is made up of several charging modules, same group of charging module has a common address field in communication protocol, in order to it
The identification in the communications to it of its device.
Direct Current Distribution Unit C, charging gun is assigned to by the direct current that charging module or charging module group B are exported, described
Direct current distributor circuit, is provided with protection, measurement and control device, the charging gun that direct current is assigned to；
Direct Current Distribution Unit C, the 1st tie point A and the 2nd tie point B containing dc loop circuit, and can coupling or uncoupling means C, D,
For this charhing unit to be connected to become into dc loop circuit with other charhing units of composition charging system.
Insulation detection device, for the both positive and negative polarity bus Insulation monitoring over the ground of Direct Current Distribution Unit C, described communication dress
Put the communication for control unit and host computer.
Communication bus E, for the communication of intelligent cell in dc loop circuit charging system.
The beneficial effects of the invention are as follows：The present invention passes through using the connected mode of dc loop circuit, multiple independent chargings
System is coupled together, and makes any one separate payment, can obtain charge power from connected other systems, so
The single charhing unit for being linked together constitutes a dc loop circuit charging system, and charging module is fully utilized, together
When be dispersed in different independent charging systems due to charging module, heat dissipation problem is solved by dispersion；What is more important, it is each
Individual single charging system can be standardized, used as the charging system required for a single module construction, it is to avoid customization
The problem brought.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (23)
1. a kind of charging system for electric automobile of use dc loop circuit, it is characterized by：Including by more than one independent charging list
The dc loop circuit charging system that unit is constituted using dc loop circuit connected mode, one or more than one charhing unit peace
In loaded on one or more than one cabinet,
Described charhing unit, including AC input cell A, charging module or charging module group B, Direct Current Distribution Unit C, control
Cabinet F where cells D, communication bus E and charhing unit.
2. as claimed in claim 1 using the charging system for electric automobile of dc loop circuit, it is characterized by：Described control unit
D, comprising man-machine interactive operation device, master control borad, insulation detection device, communicator, the master control borad of control unit D from it is man-machine mutually
Operation device and by communicator from host computer obtain information, match somebody with somebody with insulation detection device, AC input cell A and direct current
The intelligent apparatus communication of electric unit C, matches somebody with somebody with the AC input cell A of charhing unit and the direct current being connected with electric automobile
The detection means connection of electric unit C is sampled, and according to the information that communication and sampling are obtained, carries out information processing, output control
Signal, controls the controllable device of AC input cell A and Direct Current Distribution Unit C, completes the guided procedure with electric automobile.
3. as claimed in claim 2 using the charging system for electric automobile of dc loop circuit, it is characterized by：Described man-machine interaction
Operation device, including card reader, electronic operation screen, the electronic operation screen, using touch-screen, can both be input into information, also may be used
With by display output information.
4. as claimed in claim 2 using the charging system for electric automobile of dc loop circuit, it is characterized by：Described controllable dress
Put including A.C. contactor and D.C. contactor, relay.
5. as claimed in claim 1 using the charging system for electric automobile of dc loop circuit, it is characterized by：Described charhing unit
The cabinet F at place, all devices of charhing unit are constituted for installing.
6. dc loop circuit charging system for electric automobile as claimed in claim 1, it is characterised in that：The dc loop circuit connection side
Formula, is in the Direct Current Distribution Unit C of charhing unit, between charging module or charging module group B outputs and charging gun just
In negative circuit, the first tie point A and the second tie point B is all respectively equipped with, as the points of common connection that dc loop circuit is connected；It is public
Tie point is located between the current sensing means of the charhing unit in module or module group B outputs and Direct Current Distribution Unit C, described
Current sensing means can detect the total current of outflow charhing unit, including the electricity sent by dc loop circuit from other charhing units
Stream, described current sensing means, including current divider or Hall sensor.
7. dc loop circuit charging system for electric automobile as claimed in claim 1, it is characterised in that：Described charging electric vehicle
System includes one 1 to N number of charhing unit；The connected mode of dc loop circuit, the first tie point A1 using the 1st charhing unit connects
Connect the charhing unit can coupling or uncoupling means C1 the 1st tie point T1, can coupling or uncoupling means C1 the 2nd tie point T2 and the 2nd charge
Unit can coupling or uncoupling means D1 the 1st tie point T1 be connected, the 2nd tie point T2 and the 2nd charhing unit of the coupling or uncoupling means D1
The 2nd tie point B2 be connected, the 1st tie point A2 of the 2nd connection unit and the charhing unit can coupling or uncoupling means C2 the 1st company
Contact T1 is connected, it is described can the 2nd tie point T2 of coupling or uncoupling means C2 be connected with the 2nd tie point B of next charhing unit, such as
This circulation, until N charhing units；2nd tie point BN of N charhing units and N-1 charhing units can coupling or uncoupling means C
(N-1) the 2nd tie point T2 connections, the 1st tie point AN of N units and described charhing unit can coupling or uncoupling means CN the
1 tie point T1 is connected, it is described can the 2nd tie point T2 of coupling or uncoupling means CN be connected with the 2nd tie point B1 of the 1st charhing unit,
From the 1st charhing unit to the 1st tie point of N charhing units, the 2nd tie point, can coupling or uncoupling means C join end to end what is constituted
Circuit is dc loop circuit.
8. dc loop circuit charging system for electric automobile as claimed in claim 7, it is characterised in that：Described n-th charges single
Unit, the minimum number of N is 3.
9. dc loop circuit charging system for electric automobile as claimed in claim 7, it is characterised in that：Described can division dress
Put C, with two connection terminals T1 and T2, between two connection terminals, be one can be with the contact of closed and disconnected, it is closed
Close or disconnect the control of controlled cells D, contactor can be used as it is described can coupling or uncoupling means；The 1st described tie point A and the 2nd
Tie point B, had both referred to the tie point on charhing unit direct-flow positive pole bus, also referred to the tie point of negative electrode bus, and described divides
Attach together and put C, both connected in positive electrode bus, also connected on negative electrode bus.
10. dc loop circuit charging system for electric automobile as claimed in claim 1, it is characterised in that：Described electric automobile fills
Electric system includes several charhing units, from the 1st to n-th；The connected mode of described dc loop circuit charges single using the 1st
First tie point A1 of unit connect the charhing unit can coupling or uncoupling means C1 the 1st tie point T1, it is described can coupling or uncoupling means C1
The 2nd tie point T2 and the 2nd charhing unit can the 1st tie point T1 of coupling or uncoupling means D2 be connected, described coupling or uncoupling means D2's
2nd tie point T2, the 2nd tie point B2 with the 2nd charhing unit is connected；1st tie point A2 of the 2nd charhing unit and the charging
Unit can the 1st tie point T1 of coupling or uncoupling means C2 be connected, it is described can the 2nd tie point T2 of coupling or uncoupling means C2 filled with next
Electric unit can the 1st tie point T1 of coupling or uncoupling means D be connected, it is described can the 2nd tie point T2 of coupling or uncoupling means D filled with described
The tie point B of electric unit the 2nd is connected；So circulation, until N charhing units；2nd tie point B and N of N charhing units fills
Electric unit can the 2nd tie point T2 of coupling or uncoupling means DN be connected, it is described can coupling or uncoupling means DN the 1st tie point T1, with N-1
Charhing unit can coupling or uncoupling means C (N-1) the 2nd tie point T2 connection, the 1st tie point AN and the described charging of N units
Unit can the 1st tie point T1 of coupling or uncoupling means CN be connected, it is described can coupling or uncoupling means CN the 2nd tie point T2 and the 1st charging
The 1st tie point T1 of the closed separating device D1 of unit is connected, the 2nd tie point T2 of described closed separating device D1, is charged with the 1st
2nd tie point B1 of unit is connected, the 1st tie point from the 1st charhing unit to N charhing units, the 2nd tie point, can
Coupling or uncoupling means C, can the constituted circuit that join end to end of coupling or uncoupling means D be exactly dc loop circuit.
11. dc loop circuit charging system for electric automobile as claimed in claim 10, it is characterised in that：Described n-th
Charhing unit, the minimum number of N is 3, can coupling or uncoupling means C, D use contactor；1st tie point A and the 2nd tie point B, both referred to
Tie point on charhing unit direct-flow positive pole bus, also refers to the tie point of negative electrode bus, and described can coupling or uncoupling means C, D, difference
Connected on positive electrode bus, negative electrode bus；The charging module or charging mould of each charhing unit connected by the connected mode
Block group B, can be by described dc loop circuit power output to other charhing units.
12. charging system for electric automobile using dc loop circuit as claimed in claim 1, it is characterised in that：Dc loop circuit institute
Connection can coupling or uncoupling means C, D, can both be connected to the positive electrode bus and negative electrode bus of dc loop circuit, it is also possible to be just connected to just
Pole bus or negative electrode bus.
13. charging system for electric automobile using dc loop circuit as claimed in claim 12, it is characterised in that：Described divides
Attach together to put and be connected to positive electrode bus, the 1st dc loop circuit connected to N charhing units, positive electrode bus are charged by the 1st to N
First tie point A of unit, the second tie point B, can coupling or uncoupling means C, D connect and compose；On negative electrode bus, the 1st charhing unit
Negative pole the 1st tie point A1, the 2nd tie point B2 with the 2nd charhing unit is connected, the 1st tie point A2 of the 2nd charhing unit, with
2nd tie point B of next charhing unit is connected, so circulation, until the 2nd tie point BN of N charhing units, with N-1
1st tie point A (N-1) connections of charhing unit, the 1st tie point AN of N charhing units, the with the 1st charhing unit the 2nd is connected
Point B1 is connected, described from the 1st charhing unit to N charhing units, the 1st tie point of described charhing unit in positive electrode bus,
2nd tie point, can coupling or uncoupling means C, D join end to end, the 1st tie point of described charhing unit, the 2nd connection on negative electrode bus
It is also dc loop circuit to put the constituted circuit that joins end to end.
14. charging system for electric automobile using dc loop circuit as claimed in claim 13, it is characterised in that：Described divides
Attach together to put and be connected to negative electrode bus, the 1st dc loop circuit connected to N charhing units, negative electrode bus are charged by the 1st to N
First tie point A of unit, the second tie point B, can coupling or uncoupling means C, D connect and compose；In positive electrode bus, the 1st charhing unit
Negative pole the 1st tie point A1, the 2nd tie point B2 with the 2nd charhing unit is connected, the 1st tie point A2 of the 2nd charhing unit, with
2nd tie point B of next charhing unit is connected, so circulation, until the 2nd tie point BN of N charhing units, with N-1
1st tie point A (N-1) connections of charhing unit, the 1st tie point AN of N charhing units, the with the 1st charhing unit the 2nd is connected
Point B1 is connected, described from the 1st charhing unit to N charhing units, the 1st tie point of described charhing unit on negative electrode bus,
2nd tie point, can coupling or uncoupling means C, D join end to end, the 1st tie point of described charhing unit, the 2nd connection in positive electrode bus
It is also dc loop circuit to put the constituted circuit that joins end to end.
The charging system for electric automobile of 15. dc loop circuits as claimed in claim 1, it is characterised in that：All charhing units are adopted
With a common control unit D, all charhing units are uniformly controlled；Or each charhing unit is single using individually control
First D.
The charging system for electric automobile of 16. dc loop circuits as claimed in claim 15, it is characterised in that：Using independent control
Control unit D, one of them is set in advance as undertaking chief coordinator's function of all control units, and chief coordinator's function is used to complete to surpass
Going out outside each charhing unit control task for task, receives the information of all control units, according to the working condition for charging and respectively
The charging requirement of charhing unit, issues control instruction, controls each charhing unit power output, and control dc loop circuit can coupling or uncoupling means
Division, control charhing unit charging guiding indicate.
17. control unit chief coordinator functions as claimed in claim 16, it is characterised in that：Held using independent chief coordinator's device
Load chief coordinator's function；Described chief coordinator's device is connected on communication bus E, with intelligent function, can be with all control unit D
Communication, obtains the charge information of each charhing unit, and information is processed, output control instruction.
The charging system for electric automobile of 18. dc loop circuits as claimed in claim 1, it is characterised in that：Filled for dc loop circuit
The communication bus E of electric system communication, is all charging modules or module group B in all units in dc loop circuit charging system
The unified common communicating bus used with control unit D, described charging module or communication module set B and control unit D with
Communication bus shares same public physical connection using fixed connection.
The charging system for electric automobile of 19. dc loop circuits as claimed in claim 1, it is characterised in that：The charging system
Between the charging module or charging module group of all charhing units, between charging module and charging module group B and control unit D
Communication, in the communication protocol that its communication bus is run, in the address field of device, is provided with charging module group group number field,
One group is constituted in order to multiple charging modules to be controlled.
20. charging system for electric automobile using dc loop circuit as claimed in claim 1, it is characterised in that：Described charging
Unit, is provided with the preferential guiding instruction device that charges, and guiding electric automobile is charged successively according to indicated rechargeable unit,
The charging utilization rate of dc loop circuit charging system is improved, the controlled unit control of instruction device, priority instruction means use light
Sound instruction is indicated or used, or uses light and audio knowledge simultaneously, lamplight pointing is by the way of flicker is interrupted.
21. charging system for electric automobile using dc loop circuit as claimed in claim 1, it is characterised in that：One or one
Charhing unit more than individual is installed in a cabinet F, constitutes integral structure.
22. charging system for electric automobile using dc loop circuit as claimed in claim 1, it is characterised in that：It is more than one
The AC portion and charging module of charhing unit are placed in a cabinet, and direct current component, control unit are placed on another cabinet
It is separately installed as charging terminal in body, constitute a split-type structural.
23. charging system for electric automobile using dc loop circuit as claimed in claim 1, it is characterised in that；
Each charhing unit of charging system is constituted, the quantity configuration 1 of the charging gun of output configures some charging more than
The charhing unit of rifle, charging gun cells D output-controlled processed control, it is many charging gun using taking turns to operate by the way of, share fill
The power output of electric unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158728.0A CN106904089A (en) | 2017-03-16 | 2017-03-16 | A kind of charging system for electric automobile of use dc loop circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158728.0A CN106904089A (en) | 2017-03-16 | 2017-03-16 | A kind of charging system for electric automobile of use dc loop circuit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710158728.0A Pending CN106904089A (en) | 2017-03-16 | 2017-03-16 | A kind of charging system for electric automobile of use dc loop circuit |
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| CB02 | Change of applicant information |
Address after: 518000 First Floor of No.1 Factory Building of Linya Industrial Park, No.1 Road, Tangtou Community, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN INFYPOWER Co.,Ltd. Address before: Room 101, New Energy Innovation Industrial Park, No. 1 Chuangsheng Road, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Applicant before: SHENZHEN INFYPOWER Co.,Ltd. |
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Application publication date: 20170630 |