CN208954899U - A kind of intelligent type permanent magnet switch controller - Google Patents
A kind of intelligent type permanent magnet switch controller Download PDFInfo
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- CN208954899U CN208954899U CN201821613732.8U CN201821613732U CN208954899U CN 208954899 U CN208954899 U CN 208954899U CN 201821613732 U CN201821613732 U CN 201821613732U CN 208954899 U CN208954899 U CN 208954899U
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Abstract
The utility model relates to a kind of intelligent type permanent magnet switch controllers, including SCM system, battery emergency supply circuit, power detecting, bluetooth communication module, pulse switch charging circuit, voltage sampling circuit, clock circuit, EEPROM, battery and manual push button switch etc..It operates manual push button switch control battery and emergency power supply is generated by battery emergency supply circuit；SCM system monitors external power supply and storage capacitor voltage；Pwm pulse signal is exported, is charged by pulse switch charging circuit to storage capacitor, monitoring voltage pace of change, it can be determined that the dysfunction of interlock circuit；Output pulse width controls signal, controls storage capacitor by bridge drive circuit and magnet exciting coil is connected and discharged, and exciting current drives permanent magnet mechanism movement, and monitoring storage capacitor discharge voltage variation triggers overcurrent protection when abnormal；Smart phone radio operation is realized by bluetooth communication module, can access realtime event information using clock circuit and EEPROM.
Description
Technical field
The utility model relates to a kind of intelligent permanent magnetic switch controllers, are magneto height voltage breaker, contactor drive
The Intelligent improvement of dynamic circuit, belongs to power equipment control protection technique field.
Background technique
Magneto height voltage breaker, the contactor occurred in recent years is to drive permanent magnetism by the controller of permanent-magnetic switching
Dynamic iron core in mechanism moves above and below, realizes combined floodgate and separating brake basic operational functions；Generally use capacitor, super capacitor or electricity
Pond energy storage, pulse excitation circuit control driving, there is also some problems in actual use.Such as it can not divide-shut brake when having a power failure；
It is charged using three-terminal voltage-stabilizing circuit to storage capacitor, volume is larger, and speed is slow, and storage capacitor tank voltage is by external power supply voltage
It directly affects；High voltage power supply circuit and low voltage power supply circuit are not isolated, and are easy to interfere with each other, component is easily damaged.
Summary of the invention
Purpose of the utility model is to solve the above problems and provide a kind of intelligent type permanent magnet switch controllers.By monolithic
Machine system (1) centralized management is powered by external ac power source or DC power supply under normal circumstances, provides storage capacitor (12) and fill
Power supply, i.e. high voltage operation power supply inside set Switching Power Supply (3) output low-voltage regulated power supply, i.e. low voltage operating power supply.It is single
Piece machine system (1) carries out real-time monitoring to external power supply, storage capacitor tank voltage, adjusts output pwm signal, controls arteries and veins
It washes open and closes charging circuit (6) to storage capacitor (12) charging, storage capacitor (12) tank voltage is made to be maintained at setting value；Charging electricity
Pressure can achieve twice of supply voltage, and charging rate is fast, high-efficient；According to electrical equation dV/dt=I/C, in charging process,
The pace of change of storage capacitor (12) tank voltage is abnormal, it can be determined that storage capacitor (12) and pulse switch charging circuit (6)
Exception；CON1, CON2, CON3 pulse signal of output setting width, control combined floodgate (forward direction) bridge of bridge drive circuit (8)
The positive and negative anodes of storage capacitor (12) are connected to magnet exciting coil (11) both ends, storage capacitor by road or separating brake (reversed) bridge switch
(12) it is discharged forward or backwards by magnet exciting coil (11), discharge current flows through magnet exciting coil (11) driving permanent magnetism forward or backwards
Mechanism dynamic iron core moves forward or backwards, realizes that permanent magnet mechanism circuit-breaker, contactor closes a floodgate or sub-switching operation process；Pass through adjusting
CON1, CON2, CON3 pulse signal set width, adapt to the magnet exciting coil (11) and storage capacitor (12) of different parameters, can be with
Optimize the process of magnet exciting coil (11) driving permanent magnet mechanism dynamic iron core；According to electrical equation I=CdV/dt, in combined floodgate or separating brake mistake
Cheng Zhong, the variable quantity of storage capacitor tank voltage is related with average discharge current in the period in fixed time period, more than setting
When determining protection value, SCM system (1) takes safeguard measure, and the electric discharge for cutting off storage capacitor (12) and magnet exciting coil (11) is logical
Road；SCM system (1) connects EEPROM(10 with communication interface) storaging chip and real time clock circuit (9) chip, it can read
Real-time time, the parameter preset of access SCM system (1) operation are taken, access breaker, is shut down, divide-shut brake at contactor booting
Real-time events and accumulated running time, the power down such as switch motion, various exceptions are not lost；It connects bluetooth communication module (3), with mark
Quasi- bluetooth communication agreement and smart phone (13) wirelessly communicate, and can set and inquire SCM system by smart phone (13)
(1) running parameter, real-time time, query history real-time event record and accumulated running time.When outside has a power failure, without external electrical
Under the electric power thus supplied of source, by operating manual push button switch SW1, controls battery emergency supply circuit (2), connect battery B1 and export back
Road provides battery B1 voltage transformation to emergency service to the comparable voltage output of power supply by battery emergency supply circuit (2)
Power supply realizes the emergency operation of breaker, contactor combined floodgate, separating brake；Use optocoupler O1O2O3, transformer with buffer action
The elements such as T1T2, relay RL1 are isolated by high voltage power supply circuit and low voltage power supply circuit signal, are reduced between circuit
It interferes with each other, improves the stability of the intelligent type permanent magnet switch controller.
The battery emergency supply circuit (2) can export OUT1 by manual push button switch SW1 or SCM system (1)
Signal drives the conducting of metal-oxide-semiconductor Q3, connects the discharge loop of battery B1, generates emergency service power supply.When metal-oxide-semiconductor Q3 is connected, by
Boosting rectifier control IC(14) output high-frequency pulse signal driving high frequency transformer T1, so that battery B1 voltage is passed through high frequency transformer and boosts
After transformation, the comparable voltage level of external power supply power supply is risen to, exports emergency service power supply；When metal-oxide-semiconductor Q3 ends, cutting electricity
The discharge path of pond B1, battery B1 not power consumption.
The pulse switch charging circuit (6), PWM1, PWM2 signal from SCM system (1) output, by transformation
After device T2 and optocoupler O2 isolated variable, the metal-oxide-semiconductor Q1Q2 of two connection power supplies, intermediate concatenation power inductance L1 are controlled, then
By sustained diode 7 and rectifier diode D3, can export greater than external power supply supply voltage, less than twice external power supply
The pulse charging current of supply voltage charges to storage capacitor (12), and charging rate is fast, high-efficient.
The bridge drive circuit (8), by relay RL1 as upper bridge, IGBT1, IGBT2 as lower bridge, monolithic
CON1, CON2, CON3 pulse signal of machine system (1) control relay RL1, IGBT1, IGBT2 respectively, when relay RL1 is dynamic
When work, IGBT1 conducting, IGBT2 cut-off, the forward conduction bridge of driving magnet exciting coil (11) can be formed；When relay RL1 not
When movement, IGBT1 cut-off, IGBT2 conducting, the reverse-conducting bridge of driving magnet exciting coil (11) can be formed.
The utility model achieves the above object through the following technical schemes:
A kind of intelligent type permanent magnet switch controller includes SCM system (1), battery emergency supply circuit (2), switch electricity
Source (3), power detecting (4), bluetooth communication module (5), pulse switch charging circuit (6), voltage sampling circuit (7), bridge-type are driven
Dynamic circuit (8), clock circuit (9), EEPROM(10), magnet exciting coil (11), storage capacitor (12) and relevant diode D1~
D4, capacitor C1, rectifier bridge B2, protective tube F1 and battery B1, manual push button switch SW1；Wherein, single phase ac or DC power supply
Two power supply lines of ACL, ACN input external power supply power supply, the end the V+ connection of rectifier bridge B2 by protective tube F1 connection rectifier bridge B2
The anode of power detecting (4), diode D4, the end V- ground connection；Diode D4 cathode connect the anode of capacitor C1, Switching Power Supply (3),
The cathode of pulse switch charging circuit (6) and diode D1；SCM system (1) output PWM1, PWM2 signal connection pulse is opened
It closes charging circuit (6), pulse switch charging circuit (6) output connection diode D3 anode, diode D3 cathode connects energy storage electricity
Hold (12) anode；SCM system (1) exports one group of CON1, CON2, CON3 signal connection bridge drive circuit (8), energy storage electricity
The positive and negative anodes for holding (12) connect bridge drive circuit (8), and bridge drive circuit (8) output is connected to the two of magnet exciting coil (11)
End；SCM system (1) is separately connected EEPROM(10 with communication interface IIC, SPI, UART), clock circuit (9) and bluetooth it is logical
It interrogates module (5)；The input signal IN1 of SCM system (1) connects the anode of diode D4 by power detecting (4), and IN2 passes through
Voltage sampling circuit (7) connects the anode of storage capacitor (12)；Battery emergency supply circuit (2) is separately connected SCM system
(1) OUT1 signal, the both ends manual push button switch SW1, the anode of battery B1, diode D1, D2 anode, manual push button switch
One end of SW1 is connect with battery B1 anode, the cathode connection switch power supply (3) of diode D1, and the cathode of D2 connects storage capacitor
(12) anode；Smart phone (13) is wirelessly connected by standard bluetooth communications protocol and bluetooth communication module；Switching Power Supply (3)
It generates D.C. regulated power supply and each part circuit offer low voltage operating power supply is provided.
The battery emergency supply circuit (2) includes boosting rectifier control IC(14), high frequency transformer T1, optocoupler O1, N-channel
Metal-oxide-semiconductor Q3, diode D5D6, resistance R1~R6 and capacitor C2；High frequency transformer T1 transformation ratio selection is between 15~18 times, boosting
Control IC(14) use XL6009 same type IC；Boosting rectifier control IC(14) power end aforementioned battery B1 is being connected with enable end just
Pole, manual push button switch SW1 one end, reconnect high frequency transformer T1 primary coil one end and optocoupler O1 output current collection
Pole；Boosting rectifier control IC(14) export the other end for connecting high frequency transformer T1 primary coil, ground line connection resistance R3 and metal-oxide-semiconductor
The drain electrode of Q3, input terminal connect resistance R2R3；Optocoupler O1 input anode controls signal by resistance R6 connection OUT1, and cathode connects
Ground, the other end of output emitter connection manual push button switch SW1, then connect and be grounded through resistance R4R5；Resistance R4R5 partial pressure letter
The grid of number connection metal-oxide-semiconductor Q3, the source electrode of metal-oxide-semiconductor Q3 connect ground wire；12V power supply passes through diode D5, resistance R1 series circuit
Connection battery B1 anode afterwards, forms the floating charge circuit of battery B1；High frequency transformer T1 secondary coil one end ground connection, other end connection
Diode D6 anode, diode D6 cathode connect the anode of the anode of capacitor C2, resistance R2, aforementioned diodes D1D2；Aforementioned list
It is low level that piece machine system (1), which exports OUT1 signal, the optocoupler O1 input connected by resistance R6 just extremely low level, optocoupler O1
Output is not turned on, and when manual push button switch SW1 is not pressed, and R4 disconnects battery B1 anode, and metal-oxide-semiconductor Q3 grid voltage is zero,
Metal-oxide-semiconductor Q3 is not turned on, boosting rectifier control IC(14) ground line be not turned on ground wire, boosting rectifier control IC(14) do not work, with battery B1
The boosting rectifier control IC(14 of connection), high frequency transformer T1 primary coil, metal-oxide-semiconductor Q3 do not form current lead-through circuit, therefore, battery
B1 does not export electric current；It is high level that SCM system (1), which exports OUT1 signal, opens optocoupler O1 output conducting or hand push button
When pass SW1 emergency is pressed, battery B1 anode is connected to resistance R4, and metal-oxide-semiconductor Q3 grid voltage is greater than conducting voltage, and metal-oxide-semiconductor Q3 is led
Logical, boosting rectifier control IC(14) ground line and ground conductive, the boosting rectifier control IC(14 of battery B1 connection), high frequency transformer T1 primary
Coil, metal-oxide-semiconductor Q3 form conducting circuit, boosting rectifier control IC(14) output high-frequency pulse signal, drive high frequency transformer T1, high frequency
Transformer T1 secondary coil exports high-voltage pulse current, and pulse current charges by diode D6 to capacitor C2, capacitor C2 voltage
It can be increased to the emergency service voltage set by resistance R2R3 intrinsic standoff ratio, capacitor C2 voltage is defeated after divider resistance R2R3 partial pressure
Enter boosting rectifier control IC(14) input terminal, according to the variation of this input terminal voltage, boosting rectifier control IC(14) output different duty
High-frequency pulse signal, control high frequency transformer T1 secondary coil output size variation pulse current, make the voltage of capacitor C2
It keeps stablizing, and emergency service power supply is exported by diode D1D2.
The pulse switch charging circuit (6) is by push-pull driver circuit A(15), pulse transformer T2, optocoupler O2, N-channel
Metal-oxide-semiconductor Q1Q2, diode D7D8, resistance R7~R11 and capacitor C3C4 composition；The pulse transformer T2 turn ratio selection 1~5 times it
Between, optocoupler O2 selects the switch optocoupler of quick response；Push-pull driver circuit A(15) it is separately connected 12V power supply, PWM1 input letter
Number, the series circuit that is made of the primary coil of capacitor C3, pulse transformer T2, pulse transformer T2 primary coil reconnects
One end output of 12V power supply, pulse transformer T2 secondary coil connects metal-oxide-semiconductor Q1 grid, diode after resistance R7R8 partial pressure
The cathode of D8, the cathode of the drain electrode connection aforementioned diodes D4 of metal-oxide-semiconductor Q1, source electrode connect the another of pulse transformer T2 secondary coil
One end, the anode of diode D8, the cathode of D7, power inductance L1 and resistance R8, diode D7 plus earth；Optocoupler O2 input terminal
Anode connects PWM2 input signal after resistance R9, capacitor C4 series circuit；12V power supply is through optocoupler O2 output end collector, hair
Emitter-base bandgap grading and resistance R10R11 series connection ground connection, resistance R10R11 voltage division signal connect the grid of metal-oxide-semiconductor Q2, and the drain electrode of metal-oxide-semiconductor Q2 connects
Connect the anode of power inductance L1, aforementioned diodes D3, source electrode ground connection；When the synchronous high level of PWM1, PWM2 pulse signal inputs,
Primary coil of the PWM1 signal by push-pull driver circuit A(15), capacitor C3 pulse transformer T2, pulse transformer T2 times
Grade coil output pulse signal makes the gate bias of N-channel MOS pipe Q1, control metal-oxide-semiconductor Q1 conducting, PWM2 letter by resistance R7R8
Number optocoupler O2 conducting is driven by capacitor C4, resistance R9,12V power supply is made to make N-channel MOS pipe Q2 by optocoupler, resistance R10R11
Biasing, control metal-oxide-semiconductor Q2 conducting, the DC power supply from diode D4 pass through the drain electrode and source electrode load of metal-oxide-semiconductor Q1Q2 respectively
To the both ends of power inductance L1, electric current flows through power inductance L1, makes its energy storage；PWM1 signal keep high level, PWM2 signal by
After high level is converted into low level, metal-oxide-semiconductor Q1 is held on, Q2 ends, and DC power supply passes through metal-oxide-semiconductor Q1 drain electrode, source electrode, power
Inductance L1 and diode D3 exports charging current, meanwhile, power inductance L1 is by diode D3, the release storage of sustained diode 7
Can, electric current is exported, generates the charging voltage and current output of superposition, and charging voltage is higher than supply voltage, maximum is no more than direct current
Twice of supply voltage；PWM1 signal resets, when PWM1, PWM2 signal are low level simultaneously, metal-oxide-semiconductor Q1Q2 cut-off, to power
Inductance L1 energy storage all discharges, and stops output by the charging current of diode D3；It has been observed that lasting input setting duty ratio and
PWM1, PWM2 pulse signal of width, DC power supply can produce lasting pulse by the pulse switch charging circuit (6)
Charging current output.
The bridge drive circuit (8) is by single-pole double throw or dpdt relay RL1, IGBT drive circuit A(16),
IGBT drive circuit B(17), high speed N-channel IGBT1, IGBT2, NPN triode Q4, diode D9D10D11, resistance R12R13
Composition；Wherein CON1 signal connecting triode Q4 base stage after resistance R12R13 partial pressure, triode Q4 emitter ground connection, current collection
Pole connects relay RL1 coil and backward dioded D11 parallel circuit, and diode D11 cathode connects 12V power supply, CON2 signal warp
Cross IGBT drive circuit A(16) connection IGBT1 the pole G, CON3 signal pass through IGBT drive circuit B(17) connection IGBT2 G
Pole；The pole E of IGBT1, IGBT2 connect aforementioned storage capacitor (12) cathode, and the pole C of IGBT1 connects the B of aforementioned magnet exciting coil (11)
End, the normal-closed end (20) of relay RL1, diode D9 anode, the pole the C connection end A of magnet exciting coil (11) of IGBT2, relay
The normally open end (21) of device RL1, diode D10 anode；The cathode of common end (19) the connection diode D9D10 of relay RL1
With storage capacitor (12) anode；The IGBT drive circuit A(16) and IGBT drive circuit B(17) by push-pull driver circuit B
(18), TLP250 same type optocoupler O3, diode D12 and resistance R14~R17 composition；CON2 input signal connects by resistance R14
2 feet of optocoupler O3, the 3 feet ground connection of optocoupler O3 are connect, resistance R15 is connected between CON2 signal and ground wire, 8,5 feet point of optocoupler O3
Not Lian Jie 15V, -10V positive-negative power, reconnect push-pull driver circuit B(18) positive-negative power end, 7 feet of optocoupler O3 pass through resistance
R18 connection push-pull driver circuit B(18) input, push-pull driver circuit B(18) it exports by R16R17 series connection ground connection, diode
D12 is reversely connected in parallel with resistance R16, the output lead connection that the anode of diode D12 passes through IGBT drive circuit A(16)
The pole G of IGBT1；Upper bridge of the normally closed and normally open two paths of relay RL1 as bridge drive circuit (8), two IGBT
Lower bridge as bridge drive circuit (8)；When CON1, CON2 are high level, CON3 is low level, CON1 signal passes through three
Pole pipe Q4 drives relay RL1 movement, and normally open end (21) are connected in the common end (19) of relay RL1, and CON2 is driven by IGBT
Circuit A(16) driving IGBT1 conducting, IGBT2 cut-off is common end (19) of storage capacitor (12) anode through relay RL1, normally opened
End (21), magnet exciting coil (11) connect storage capacitor (12) cathode with combined floodgate (forward direction) bridge that IGBT1 is formed, exciting current from
Rectify to B to flowing through magnet exciting coil (11) at the end A；When CON1, CON2 are low level, CON3 is high level, relay RL1 is motionless
Make, normal-closed end (20) are connected in the common end (19) of relay RL1, and IGBT1 cut-off, CON3 signal passes through IGBT drive circuit B
(17) driving IGBT2 conducting, the positive common end (19) through relay RL1 of storage capacitor (12), normal-closed end (20), magnet exciting coil
(11) storage capacitor (12) cathode is connected with separating brake (reversed) bridge of IGBT2 composition, exciting current is from the end B to the end A reverse flow
Overexcitation coil (11).
The battery emergency supply circuit (2) uses high frequency transformer T1, optocoupler O1 isolation circuit；Pulse switch charging electricity
Road (6) uses pulse transformer T2, optocoupler O2 isolation circuit；Bridge drive circuit (8) is isolated using relay RL1, optocoupler O3
Circuit；Voltage sampling circuit (7) and power detecting (4) equally use optical coupling isolation circuit, need to survey by resistor network connection
The high-voltage power supply end measured signal of amount and the input terminal of optocoupler, then output end and low-voltage by resistor network connection optocoupler
Power supply, the input terminal of output low voltage power supply end measured signal connection SCM system (1)；High voltage power supply circuit signal is turned
Change low voltage power supply circuit signal into.
SCM system (1) connects EEPROM(10 with communication interface) storaging chip and real time clock circuit (9) chip, it can
To read real-time time, the predetermined system operating parameter of access SCM system (1) operation, comprising: working power voltage setting
Value, abnormality detection setting value, tank voltage setting value, divide-shut brake over-current detection setting value, pwm pulse signal duty ratio, pulsewidth
Setting value, OUT1, CON1, CON2, CON3 output signal width set-point etc., access breaker contactor booting, shut down, divide
The real-time events such as closing switch movement, various exceptions, emergency service record and accumulated running time, power down are not lost.Intelligent hand
Machine (13) is wirelessly connected by standard bluetooth communications protocol and bluetooth communication module (5), and bluetooth communication module (5) is logical by UART
Letter interface is connect with SCM system (1), and smart phone (13) can be wirelessly communicated with SCM system (1) and on-line operation；
The work operating parameter and real-time time of SCM system (1) can be set and inquired by smart phone (13) operation interface,
It can be with query history logout and accumulated running time.
SCM system (1) passes through voltage sampling circuit (7) real-time monitoring storage capacitor (12) voltage change；Output setting
PWM1, PWM2 pulse signal of duty ratio, pulsewidth, control pulse switch charging circuit (6) are charged to storage capacitor (12)；Work as storage
When energy capacitor (12) tank voltage rises to abnormality detection setting value, then export PWM1, PWM2 pulse letter of set time length
Number, the fixed charge capacity of control pulse switch charging circuit (6) output charges to storage capacitor (12)；According to electrical equation
DV/dt=I/C, if the tank voltage value added of storage capacitor (12) is not in range of set value, it is possible to determine that storage capacitor
(12) dysfunction；If the tank voltage of storage capacitor (12) cannot rise to abnormality detection setting value in aforementioned process,
It can be determined that dysfunction or the storage capacitor (12) of pulse switch charging circuit (6) are not connected abnormal；Judge in aforementioned measurement
In situation without exception, SCM system (1) compares storage capacitor (8) tank voltage measured value and setting value, adjusts PWM1, PWM2
Output of pulse signal, control pulse switch charging circuit (6) are charged to storage capacitor (12)；It can make the storage of storage capacitor (12)
For energy voltage stabilization in tank voltage setting value, tank voltage can be greater than direct current power source voltage, not more than DC power supply electricity
Twice of pressure.
After SCM system (1) receives combined floodgate or separating brake request signal, CON1, CON2 of one group of setting width of output,
CON3 closes a floodgate or separating brake controls signal, combined floodgate (forward direction) or separating brake (reversed) bridge by bridge drive circuit (8), connection storage
Energy capacitor (12) positive and negative anodes and magnet exciting coil (11) both ends, storage capacitor (12) are put forward or backwards by magnet exciting coil (11)
Electricity, discharge current, which flows through magnet exciting coil (11), forward or backwards can produce the drive that permanent magnet mechanism dynamic iron core moves forward or backwards
Power realizes that permanent magnet mechanism circuit-breaker, contactor closes a floodgate or sub-switching operation process；The resistance of magnet exciting coil (11), inductance value, storage
Can capacitor (12) the electrical parameters such as capacitance difference, process of the storage capacitor (12) by magnet exciting coil (11) electric discharge is not yet
Together, CON1, CON2, CON3 pulse signal are adjusted and sets width, be adapted to the magnet exciting coil (11) and energy storage electricity of different parameters
Hold (12), the process of magnet exciting coil (11) driving permanent magnet mechanism dynamic iron core can be optimized；It is single during combined floodgate or sub-switching operation
Piece machine system (1) time at regular intervals passes through voltage sampling circuit (7) and monitors the variation of storage capacitor (12) tank voltage, root
According to electrical equation I=CdV/dt, the average discharge current value that magnet exciting coil (11) is flowed through in each measuring section can be evaluated whether；
When the discharge current value of estimation is more than setting protection value, SCM system (1) is determined as abnormality, stop CON1, CON2,
CON3 output of pulse signal, cutting storage capacitor (12) pass through the discharge path of magnet exciting coil (11), prevent permanent magnet mechanism from moving iron
Core stop, magnet exciting coil turn-to-turn short circuit etc. generate magnet exciting coil overcurrent extremely, prevent bridge drive circuit (8) and magnet exciting coil
(11) it is damaged because of overcurrent, there is system protection effect.
There is no input single-phase AC or DC power in two power supply lines of ACL, ACN, it, can when needing to carry out breaking-closing operating
To operate manual push button switch SW1, control battery B1 exports emergency service power supply by battery emergency supply circuit (2)；Emergency
Power supply is charged by diode D2 to storage capacitor (12)；Low-voltage work is exported by diode D1 and Switching Power Supply (3)
Make power supply, SCM system (1) starting, power detecting (4) exports low level IN1 signal；SCM system (1) detects IN1
Signal passes through voltage sampling circuit for after low level, into emergency service working condition, setting emergency service working condition is delayed
(7) tank voltage for monitoring storage capacitor (12) when reaching tank voltage setting value, allows to close a floodgate, sub-switching operation；Do not examining
In the case where IN1 signal is measured as high level, after delay is arrived, SCM system (1) autostop.
Detailed description of the invention
A kind of intelligent type permanent magnet switch controller composition figure of Fig. 1.
Fig. 2 battery emergency supply circuit figure.
Fig. 3 pulse switch charging circuit diagram.
Fig. 4 bridge drive circuit figure.
Specific embodiment
Comparative diagram 1, a kind of intelligent type permanent magnet switch controller include SCM system (1), battery emergency supply circuit
(2), Switching Power Supply (3), power detecting (4), bluetooth communication module (5), pulse switch charging circuit (6), voltage sampling circuit
(7), bridge drive circuit (8), clock circuit (9), EEPROM(10), magnet exciting coil (11), storage capacitor (12) and relevant
Diode D1~D4, capacitor C1, rectifier bridge B2, protective tube F1 and battery B1, manual push button switch SW1；Wherein, single phase ac or
Two power supply lines of DC power supply ACL, ACN input external power supply power supply, the V of rectifier bridge B2 by protective tube F1 connection rectifier bridge B2
+ end connects the anode of power detecting (4), diode D4, the end V- ground connection；Diode D4 cathode connects the anode of capacitor C1, switch
Power supply (3), pulse switch charging circuit (6) and diode D1 cathode；SCM system (1) exports PWM1, PWM2 signal and connects
It connects pulse switch charging circuit (6), pulse switch charging circuit (6) output connection diode D3 anode, diode D3 cathode connects
Connect storage capacitor (12) anode；SCM system (1) exports one group of CON1, CON2, CON3 signal and connects bridge drive circuit
(8), the positive and negative anodes of storage capacitor (12) connect bridge drive circuit (8), bridge drive circuit (8) output connection magnet exciting coil
(11) both ends；SCM system (1) is separately connected EEPROM(10 with communication interface IIC, SPI, UART), clock circuit (9)
With bluetooth communication module (5)；The input signal IN1 of SCM system (1) is connecting diode D4 just by power detecting (4)
The anode that pole, IN2 pass through voltage sampling circuit (7) connection storage capacitor (12)；Battery emergency supply circuit (2) is separately connected list
OUT1 signal, the both ends manual push button switch SW1, the anode of battery B1, diode D1, D2 anode of piece machine system (1), are pressed manually
One end of button switch SW1 is connect with battery B1 anode, the cathode connection switch power supply (3) of diode D1, and the cathode of D2 connects storage
The anode of energy capacitor (12)；Smart phone (13) is wirelessly connected by standard bluetooth communications protocol and bluetooth communication module；Switch
Power supply (3) generates D.C. regulated power supply and connects each part circuit offer low voltage operating power supply.
Wherein, voltage sampling circuit (7) uses linear optical coupling isolation circuit, and power detecting (4) uses regular tap optocoupler
Isolation circuit by the input terminal of high-voltage power supply end measured signal and optocoupler that resistor network connection needs to measure, then passes through
Resistor network connects the output end and low voltage power supply of optocoupler, and output low voltage power supply end measured signal connects SCM system
(1) high voltage power supply circuit signal is converted into low voltage power supply circuit signal by input terminal.
Comparative diagram 2, battery emergency supply circuit (2) includes boosting rectifier control IC(14), high frequency transformer T1, optocoupler O1, N ditch
Road metal-oxide-semiconductor Q3, diode D5D6, resistance R1~R6 and capacitor C2；High frequency transformer T1 transformation ratio selection rises between 15~18 times
Voltage-controlled IC(14 processed) use XL6009 or similar IC；Boosting rectifier control IC(14) power end and enable end connection figure 1 shown in battery
One end of B1 anode, manual push button switch SW1 reconnects one end of high frequency transformer T1 primary coil and the collection of optocoupler O1 output
Electrode；Boosting rectifier control IC(14) export the other end for connecting high frequency transformer T1 primary coil, ground line connection resistance R3 and MOS
The drain electrode of pipe Q3, input terminal connect resistance R2R3；Optocoupler O1 input anode controls signal by resistance R6 connection OUT1, and cathode connects
Ground, the other end of output emitter connection manual push button switch SW1, then connect and be grounded through resistance R4R5；Resistance R4R5 partial pressure letter
The grid of number connection metal-oxide-semiconductor Q3, the source electrode of metal-oxide-semiconductor Q3 connect ground wire；12V power supply passes through diode D5, resistance R1 series circuit
Connection battery B1 anode afterwards, forms the floating charge circuit of battery B1；High frequency transformer T1 secondary coil one end ground connection, other end connection
Diode D6 anode, diode D6 cathode connect the anode of diode D1D2 shown in the anode of capacitor C2, resistance R2 and Fig. 1；Fig. 1
Shown SCM system (1) output OUT1 signal is low level, the optocoupler O1 input connected by resistance R6 just extremely low level,
Optocoupler O1 output is not turned on, and when manual push button switch SW1 is not pressed, and R4 disconnects battery B1 anode, metal-oxide-semiconductor Q3 grid voltage
Be zero, metal-oxide-semiconductor Q3 is not turned on, boosting rectifier control IC(14) ground line be not turned on ground wire, boosting rectifier control IC(14) do not work, with electricity
The boosting rectifier control IC(14 of pond B1 connection), high frequency transformer T1 primary coil, metal-oxide-semiconductor Q3 do not form current lead-through circuit, therefore,
Battery B1 does not export electric current；It is high level that SCM system (1), which exports OUT1 signal, makes optocoupler O1 output conducting, or press manually
When button switch SW1 emergency is pressed, battery B1 anode is connected to resistance R4, and metal-oxide-semiconductor Q3 grid voltage is greater than conducting voltage, metal-oxide-semiconductor
Q3 conducting, boosting rectifier control IC(14) ground line and ground conductive, the boosting rectifier control IC(14 of battery B1 connection), high frequency transformer T1
Primary coil, metal-oxide-semiconductor Q3 form conducting circuit, boosting rectifier control IC(14) output high-frequency pulse signal, drive high frequency transformer T1；
High frequency transformer T1 secondary coil output HIGH voltage pulse current, pulse current charge by diode D6 to capacitor C2, capacitor
C2 voltage can be increased to the emergency service voltage set by resistance R2R3 intrinsic standoff ratio, and capacitor C2 voltage is through divider resistance R2R3 points
Boosting rectifier control IC(14 is inputted after pressure) input terminal, according to the variation of this input terminal voltage, boosting rectifier control IC(14) output is different
The high-frequency pulse signal of duty ratio, the pulse current of control high frequency transformer T1 secondary coil output size variation, makes capacitor C2
Voltage keep stablize, and by diode D1D2 export emergency service power supply.
Comparative diagram 3, pulse switch charging circuit (6) is by push-pull driver circuit A(15), pulse transformer T2, optocoupler O2, N
Channel MOS tube Q1Q2, diode D7D8, resistance R7~R11 and capacitor C3C4 composition；The pulse transformer T2 turn ratio is selected 1~5
Between times, optocoupler O2 selects the switch optocoupler of quick response；Push-pull driver circuit A(15) it is separately connected 12V power supply, PWM1 input
Signal, the series circuit being made of the primary coil of capacitor C3, pulse transformer T2, pulse transformer T2 primary coil reconnect
One end output of 12V power supply, pulse transformer T2 secondary coil connects metal-oxide-semiconductor Q1 grid, diode after resistance R7R8 partial pressure
The cathode of D8, the cathode of diode D4 shown in the drain electrode connection figure 1 of metal-oxide-semiconductor Q1, source electrode connect pulse transformer T2 secondary coil
The other end, the anode of diode D8, the cathode of D7, power inductance L1 and resistance R8, diode D7 plus earth；Optocoupler O2 is defeated
Enter proper pole and connects PWM2 input signal after resistance R9, capacitor C4 series circuit；12V power supply is through optocoupler O2 output end current collection
Pole, emitter and resistance R10R11 series connection ground connection, resistance R10R11 voltage division signal connect the grid of metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2's
The anode of diode D3 shown in drain electrode connection power inductance L1, Fig. 1, source electrode ground connection；The DC power supply inputted through diode D4,
Pass through the leakage of metal-oxide-semiconductor Q1, source electrode, power inductance L1, the leakage of metal-oxide-semiconductor Q2, source series ground connection, 7 Opposite direction connection of sustained diode
Between the source electrode and ground of metal-oxide-semiconductor Q1, the drain electrode connection diode D3 anode of metal-oxide-semiconductor Q2；PWM1, PWM2 pulse signal synchronize height
When level inputs, primary coil of the PWM1 signal by push-pull driver circuit A(15), capacitor C3 pulse transformer T2, arteries and veins
Rushing transformer T2 secondary coil output pulse signal makes the gate bias of N-channel MOS pipe Q1 by resistance R7R8, controls metal-oxide-semiconductor
Q1 conducting, PWM2 signal drive optocoupler O2 conducting by capacitor C4, resistance R9, make 12V power supply by optocoupler, resistance R10R11
N-channel MOS pipe Q2 biasing, control metal-oxide-semiconductor Q2 conducting, the DC power supply from diode D4 pass through the leakage of metal-oxide-semiconductor Q1Q2 respectively
Pole and source electrode are loaded into the both ends of power inductance L1, and electric current flows through power inductance L1, make its energy storage；PWM1 signal keeps high electricity
Flat, after PWM2 signal is converted into low level by high level, metal-oxide-semiconductor Q1 conducting, Q2 cut-off, DC power supply pass through metal-oxide-semiconductor Q1, power
Inductance L1 and diode D3 exports charging current, meanwhile, power inductance L1 is by diode D3, the release storage of sustained diode 7
Can, electric current is exported, the charging voltage and current output of superposition is generated, can produce the charging voltage output higher than supply voltage, most
Big twice for being no more than direct current power source voltage；PWM1 signal resets, when PWM1, PWM2 signal are low level simultaneously, to power electricity
Feel L1 energy storage all to discharge, stops output by the charging current of diode D3；It has been observed that lasting input setting duty ratio and width
PWM1, PWM2 signal of degree, DC power supply can produce lasting pulse charge electricity by the pulse switch charging circuit (6)
Stream output.
Comparative diagram 4, bridge drive circuit (8) drive electricity by single-pole double throw or dpdt relay RL1, IGBT2, IGBT
Road A(16), IGBT drive circuit B(17), high speed N-channel IGBT1, NPN triode Q4, diode D9D10D11, resistance
R12R13 composition；Wherein CON1 signal connecting triode Q4 base stage, triode Q4 emitter after resistance R12R13 partial pressure connects
Ground, collector connection relay RL1 coil and backward dioded D11 parallel circuit, diode D11 cathode meet 12V power supply, CON2
Signal is by the pole G of IGBT drive circuit A(16) connection IGBT1, and CON3 signal is by IGBT drive circuit B(17) connection IGBT
2 pole G；Storage capacitor (12) cathode shown in the pole the E connection figure 1 of IGBT1, IGBT2, excitation shown in the pole the C connection figure 1 of IGBT1
The end B of coil (11), the normal-closed end (20) of relay RL1, diode D9 anode, the pole C of IGBT2 connects magnet exciting coil (11)
The end A, the normally open end (21) of relay RL1, diode D10 anode；The common end (19) of relay RL1 connects diode
Cathode and storage capacitor (12) anode of D9D10；Wherein IGBT drive circuit A(16) and IGBT drive circuit B(17) by recommending
Driving circuit B(18), TLP250 same type optocoupler O3, diode D12 and resistance R14~R17 composition；CON2 input signal is passed through
2 feet of resistance R14 connection optocoupler O3, the 3 feet ground connection of optocoupler O3, resistance R15 are connected between CON2 signal and ground wire, optocoupler O3
8,5 feet be separately connected 15V, -10V positive-negative power, reconnect push-pull driver circuit B(18) positive-negative power end, 7 feet of optocoupler O3
By resistance R18 connection push-pull driver circuit B(18) input, push-pull driver circuit B(18) it exports by R16R17 series connection ground connection,
Diode D12 is connected in inverse parallel with resistance R16, the output lead that the anode of diode D12 passes through IGBT drive circuit A(16)
Connect the pole G of IGBT1；Upper bridge of the normally closed and normally open two paths of relay RL1 as bridge drive circuit (8), two
Lower bridge of the IGBT as bridge drive circuit (8)；When CON1, CON2 are high level, CON3 is low level, CON1 signal is logical
Triode Q4 driving relay RL1 movement is crossed, normally open end (21) are connected in the common end (19) of relay RL1, and CON2 passes through IGBT
Driving circuit A(16) the positive bias-voltage of output, IGBT1 conducting is driven, CON3 passes through IGBT drive circuit B(17) output negative bias electricity
Pressure, IGBT2 cut-off, the positive common end (19) through relay RL1 of storage capacitor (12), normally open end (21), magnet exciting coil (11)
Storage capacitor (12) cathode is connected with combined floodgate (forward direction) bridge of IGBT1 composition, and exciting current is rectified from A end to B encourages to flowing through
Magnetic coil (11)；When CON1, CON2 are low level, CON3 is high level, relay RL1 is failure to actuate, and relay RL1's is public
(19) are held to connect normal-closed end (20), CON2 passes through IGBT drive circuit A(16) output negative bias voltage, IGBT1 cut-off, CON3 signal
Positive bias-voltage is exported by IGBT drive circuit B(17), driving IGBT2 conducting, storage capacitor (12) anode is through relay RL1's
Separating brake (reversed) bridge that common end (19), normal-closed end (20), magnet exciting coil (11) and IGBT2 are formed connects storage capacitor (12)
Cathode, exciting current flow counterflow through magnet exciting coil (11) from the end B to the end A.
A kind of intelligent type permanent magnet switch controller is with following process operation:
1, during SCM system (1) starting up, external power supply power supply is detected by power detecting (4), works as process
When the detection signal IN1 of power detecting (4) input is low level, SCM system (1) is determined as emergency service working condition: by
Battery B1 exports emergency service power supply by battery emergency supply circuit (2), and emergency service power supply passes through diode D2 to energy storage
Capacitor (12) charging；Low voltage operating power supply is exported by diode D1 and Switching Power Supply (3)；At this point, SCM system (1) is set
Setting OUT1 signal is high level output, and control battery B1 persistently exports emergency service power supply by battery emergency supply circuit (2)；
And by the tank voltage of voltage sampling circuit (7) monitoring storage capacitor (12), storage capacitor (12) tank voltage reaches setting
When value, allow to close a floodgate, sub-switching operation；Emergency service working condition delay counter is set in a program, after delay time arrives,
SCM system (1) exports OUT1 low level signal, cuts off battery B1 discharge loop, and battery emergency supply circuit (2) stops defeated
Emergency service power supply out, SCM system (1) automatic shutdown.When detecting IN1 signal is high level, SCM system (1)
It is determined as external power supply working condition: inputs external power supply power supply by rectifier bridge B2 by single phase ac or DC power supply, pass through
Power detecting (4) generates IN1 high level signal, high voltage operation power supply is provided by diode D4, using Switching Power Supply (3)
Low voltage operating power supply is exported, SCM system (1) enters abnormality detecting process.In emergency service working condition delay process
In, when SCM system (1) detects that IN1 signal becomes high level, stop emergency service working condition delay counter, output
OUT1 low level signal, cuts off battery B1 discharge loop, and battery emergency supply circuit (2) stops output emergency service power supply；It is single
Piece machine system (1) is switched to external power supply normal operating conditions by emergency service working condition.
2, into after abnormality detecting process, SCM system (1) passes through voltage sampling circuit (7) monitoring storage capacitor (12)
Tank voltage variation；PWM1, PWM2 pulse signal of output setting duty ratio, pulsewidth, control pulse switch charging circuit (6) are defeated
Pulse charging current out charges to storage capacitor (12)；When storage capacitor (12), tank voltage rises to abnormality detection setting value
When, then PWM1, PWM2 pulse signal of set time length are exported, control pulse switch charging circuit (6) output is fixed to fill
Power consumption charges to storage capacitor (12)；According to electrical equation dV/dt=I/C, if the tank voltage of storage capacitor (12) increases
Value is not in range of set value, it is possible to determine that the dysfunction of storage capacitor (12)；If storage capacitor (12) in aforementioned process
Tank voltage cannot rise to abnormality detection setting value, it is possible to determine that the dysfunction of pulse charging circuit (6) or energy storage electricity
It is not connected abnormal to hold (12)；SCM system (1) records and saves anomalous event, and into abnormal operation, No switching on divides
Lock operation；If no aforementioned abnormal appearance, SCM system (1) enter normal operating conditions.
3, into after normal operating conditions, SCM system (1) persistently detects storage capacitor by voltage sampling circuit (7)
(12) tank voltage, when the tank voltage of storage capacitor (12) is less than tank voltage setting value, synchronism output sets duty
Than PWM1, PWM2 pulse signal of, width, the high pulse width of PWM2 is less than the high pulse width of PWM1, controls pulse switch
Charging circuit (6) exports pulse charging current, charges to storage capacitor (12)；When the close setting of storage capacitor (12) tank voltage
When value, PWM1, PWM2 pulse signal duty ratio and pulsewidth are adjusted, until stopping output, keeps storage capacitor (12) tank voltage steady
It is scheduled on tank voltage setting value, and is kept；Meanwhile SCM system (1) allows to close a floodgate, sub-switching operation.
4, (including emergency service, external power supply, normal operating conditions) in SCM system (1) course of work, inspection in real time
It surveys external combined floodgate or sub-switching operation requests input signal；In the case where allowing switch closing and switch opening to operate, letter is requested when having to close a floodgate
Number input when, SCM system (1) export one group of setting width CON1, CON2, CON3 energization control signal (CON1, CON2
High level output, CON3 low level output), by the combined floodgate bridge of bridge drive circuit (8), it is positive and negative to connect storage capacitor (12)
Pole and magnet exciting coil (11) both ends make the energy storage of storage capacitor (12) by magnet exciting coil (11) positive release, and forward direction, which flows through, encourages
The exciting current of magnetic coil (11) generates the dynamic iron core forward motion driving force in permanent magnet mechanism, realizes closing operation, and by forever
Magnetic mechanism keeps "on" position.When there is the input of separating brake request signal, SCM system (1) exports one group of setting width
CON1, CON2, CON3 separating brake control signal (CON1, CON2 low level output, CON3 high level output), drive electricity through bridge type
Road (8) separating brake bridge reversely connects storage capacitor (12) positive and negative anodes and magnet exciting coil (11) both ends, makes the storage of storage capacitor (12)
It can reversely be discharged by magnet exciting coil (11), flow through the reversed exciting current of magnet exciting coil (11), generate and move iron in permanent magnet mechanism
The counter motion driving force of core, is reset to gate-dividing state by "on" position.It is wide to adjust the setting of CON1, CON2, CON3 pulse signal
Degree, adapts to the magnet exciting coil (11) and storage capacitor (12) of different parameters, can optimize magnet exciting coil (11) driving permanent magnet mechanism
The process of dynamic iron core.During combined floodgate or sub-switching operation, SCM system (1) time at regular intervals, pass through voltage sample
Circuit (7) monitors storage capacitor (12) tank voltage；According to electrical equation I=CdV/dt, storage capacitor in Fixed Time Interval
(12) the changed measurement magnitude of tank voltage can be evaluated whether the averaged discharge that magnet exciting coil (11) are flowed through in each measuring section
Current value；When the discharge current value of estimation is more than setting protection value, SCM system (1) is determined as abnormality, stops
CON1, CON2, CON3 output of pulse signal, cutting storage capacitor (12) pass through the discharge path of magnet exciting coil (11), prevent forever
The stop of magnetic mechanism dynamic iron core, magnet exciting coil turn-to-turn short circuit etc. extremely generate magnet exciting coil overcurrent, prevent bridge drive circuit (8) and
Magnet exciting coil (11) is damaged because of overcurrent, has system protection effect.
5, it after SCM system (1) is started to work, can be read by communication interface SPI connection clock circuit (9) real-time
Time, IIC connection EEPROM(10) access real-time event, system operational parameters and accumulated running time, including breaker, contact
The history real-time event such as device booting, shutdown, on-off switch movement, various exceptions, emergency service, including working power voltage are set
Definite value, abnormality detection setting value, tank voltage setting value, divide-shut brake over-current detection setting value, pwm pulse signal duty ratio, arteries and veins
The system operational parameters such as width setting value, OUT1, CON1, CON2, CON3 output signal width set-point.Pass through UART communication interface
It connects bluetooth communication module (5), smart phone (13) is wirelessly connected with standard bluetooth communications protocol；It is corresponding using smart phone
Operation interface, communication software and communications protocol, the on-line operation realized with SCM system (1), setting and access single-chip microcontroller system
The work system operating parameter and real-time time of system (1)；Consult history real-time event record and accumulated running time.
6, in no external power supply, i.e. two power supply lines of ACL, ACN do not have input single-phase AC or DC power,
When needing to carry out breaking-closing operating, manual push button switch SW1 can be operated, battery B1 output loop is connected, is met an urgent need by battery
Power supply circuit (2) transformation, rises to the comparable emergency service power supply of external power supply supply voltage for the voltage of battery B1；Emergency supplies
Power supply is charged by diode D2 to storage capacitor (12), exports low voltage operating by diode D1 and Switching Power Supply (3)
Power supply, SCM system (1) starting, power detecting (4) export low level IN1 signal；SCM system (1) detects that IN1 is low
After level signal, into emergency service working condition, run by aforementioned process 1.
A kind of intelligent type permanent magnet switch controller has good applicability, anti-interference by actual measurement.Energy storage
Capacitor charging speed is fast, it is high-efficient, do not influenced by power supply voltage fluctuation.Its core feature is: using SCM system pipe
Reason exports two pwm signals, controls pulse switch charging circuit, generates the storage capacitor charging electricity for being higher than power supply voltage
Stream, and storage capacitor tank voltage is adjustable controllable；Using relay is the bridge drive circuit of lower bridge for upper bridge, IGBT,
It is simple to control driving circuit；Using elements such as relay, transformer and optocouplers, by high voltage power supply circuit and low voltage power supply electricity
Road is isolated, and the interference free performance of the intelligent type permanent magnet switching controller circuit is improved；In no external power supply power supply
In the case of, using battery and battery emergency supply circuit, cell voltage is risen into the comparable emergency of external power supply supply voltage
Power supply power supply, realizes emergency operation；It, can be with storage system operating parameter and history using real-time clock and eeprom chip
Real-time event record；Using bluetooth communication module, smart phone can carry out by wireless communication system operational parameters, it is real-time when
Between setting and inquiry, the inquiry of history real-time event and accumulated running time；Determine pulse switch charging circuit, storage capacitor
Dysfunction and magnet exciting coil driving during overcurrent protection, it can be ensured that the intelligent type permanent magnet switch controller and open circuit
The safety of device, contactor in exception conditions.Without creating, the similar product formed and deleting the feature belongs to this reality
With new patent protection scope.
Claims (7)
1. a kind of intelligent type permanent magnet switch controller, including Switching Power Supply (3), magnet exciting coil (11), storage capacitor (12) and phase
Diode D1~D4, capacitor C1, rectifier bridge B2, the protective tube F1 of pass；Characterized by further comprising SCM systems (1), battery
Emergency supply circuit (2), power detecting (4), bluetooth communication module (5), pulse switch charging circuit (6), voltage sampling circuit
(7), bridge drive circuit (8), clock circuit (9), EEPROM(10) and battery B1, manual push button switch SW1；Wherein, single-phase
Two power supply lines of AC or DC power ACL, ACN input external power supply power supply, rectification by protective tube F1 connection rectifier bridge B2
The end V+ of bridge B2 connects the anode of power detecting (4), diode D4, the end V- ground connection；Diode D4 cathode is connecting capacitor C1 just
Pole, Switching Power Supply (3), pulse switch charging circuit (6) and diode D1 cathode；SCM system (1) exports PWM1, PWM2
Signal connects pulse switch charging circuit (6), pulse switch charging circuit (6) output connection diode D3 anode, diode D3
Cathode connects storage capacitor (12) anode；SCM system (1) exports one group of CON1, CON2, CON3 signal connection bridge-type driving
The positive and negative anodes of circuit (8), storage capacitor (12) connect bridge drive circuit (8), and bridge drive circuit (8) output is connected to excitation
The both ends of coil (11)；SCM system (1) is separately connected EEPROM(10 with communication interface IIC, SPI, UART), clock circuit
(9) and bluetooth communication module (5)；The input signal IN1 of SCM system (1) connects diode D4's by power detecting (4)
Anode, the anode that IN2 passes through voltage sampling circuit (7) connection storage capacitor (12)；Battery emergency supply circuit (2) is separately connected
OUT1 signal, the both ends manual push button switch SW1, the anode of battery B1, diode D1, D2 anode of SCM system (1), manually
One end of button switch SW1 is connect with battery B1 anode, the cathode connection switch power supply (3) of diode D1, the cathode connection of D2
The anode of storage capacitor (12)；Smart phone (13) is wirelessly connected by standard bluetooth communications protocol and bluetooth communication module；It opens
Powered-down source (3) generates D.C. regulated power supply and connects each section circuit offer low voltage operating power supply.
2. a kind of intelligent type permanent magnet switch controller according to claim 1, it is characterised in that: battery emergency supply circuit
(2) include boosting rectifier control IC(14), high frequency transformer T1, optocoupler O1, N-channel MOS pipe Q3, diode D5, D6, resistance R1~R6
With capacitor C2；Its medium/high frequency transformer T1 transformation ratio selection is between 18~25 times, boosting rectifier control IC(14) it is similar using XL6009
Type IC；Boosting rectifier control IC(14) power end one end of battery B1 anode, manual push button switch SW1 is connected with enable end,
Reconnect one end of high frequency transformer T1 primary coil and the collector of optocoupler O1 output；Boosting rectifier control IC(14) output connection height
The other end of frequency power transformer T1 primary coil, the drain electrode of ground line connection resistance R3 and metal-oxide-semiconductor Q3, input terminal connection resistance R2,
R3；Optocoupler O1 input anode controls signal, cathode ground connection by resistance R6 connection OUT1, and output emitter connection hand push button is opened
The other end of SW1 is closed, then connects and is grounded through resistance R4, R5；Resistance R4, R5 voltage division signal connects the grid of metal-oxide-semiconductor Q3, metal-oxide-semiconductor
The source electrode of Q3 connects ground wire；12V power supply connects battery B1 anode after diode D5, resistance R1 series circuit, forms battery
The floating charge circuit of B1；High frequency transformer T1 secondary coil one end ground connection, the other end connect diode D6 anode, diode D6 cathode
Connect the anode of capacitor C2, the anode of resistance R2 and described diode D1, D2.
3. a kind of intelligent type permanent magnet switch controller according to claim 1, it is characterised in that: pulse switch charging circuit
(6) by push-pull driver circuit A(15), pulse transformer T2, optocoupler O2, N-channel MOS pipe Q1, Q2, diode D7, D8, resistance R7
~R11 and capacitor C3, C4 composition；Wherein between 1~5 times, optocoupler O2 is opened the pulse transformer T2 turn ratio using quick response
Close optocoupler；Push-pull driver circuit A(15) it is separately connected 12V power supply, PWM1 input signal, by capacitor C3, pulse transformer T2
The series circuit of primary coil composition, pulse transformer T2 primary coil reconnect 12V power supply, pulse transformer T2 secondary coil
One end output the cathode of metal-oxide-semiconductor Q1 grid, diode D8 is connected after resistance R7, R8 partial pressure, the drain electrode of metal-oxide-semiconductor Q1 connects institute
State the cathode of diode D4, source electrode connect the other end of pulse transformer T2 secondary coil, the anode of diode D8, D7 it is negative
Pole, power inductance L1 and resistance R8, diode D7 plus earth；Optocoupler O2 input anode is through resistance R9, capacitor C4 series electrical
PWM2 input signal is connected behind road；12V power supply is connected through optocoupler O2 output end collector, emitter and resistance R10, R11 and is grounded,
Resistance R10, R11 voltage division signal connects the grid of metal-oxide-semiconductor Q2, the drain electrode connection power inductance L1 of metal-oxide-semiconductor Q2 and the diode
The anode of D3, source electrode ground connection.
4. a kind of intelligent type permanent magnet switch controller according to claim 1, it is characterised in that: bridge drive circuit (8) by
Single-pole double throw or dpdt relay RL1, IGBT drive circuit A(16), IGBT drive circuit B(17), high speed N-channel
IGBT1, IGBT2, NPN triode Q4, diode D9~D11, resistance R12, R13 composition；Wherein CON1 input signal is by electricity
Hinder R12, R13 partial pressure after connecting triode Q4 base stage, triode Q4 emitter ground connection, collector connection relay RL1 coil and
Backward dioded D11 parallel circuit, diode D11 cathode connect 12V power supply, and CON2 input signal passes through IGBT drive circuit A
(16) pole G of IGBT1 is connected, CON3 input signal connects the pole G of IGBT2 by IGBT drive circuit B(17)；IGBT1,
The pole E of IGBT2 connects storage capacitor (12) cathode, and the pole C of IGBT1 connects the end B of the magnet exciting coil (11), relay
The anode of the normal-closed end (20) of RL1, diode D9, the end A of the pole C connection magnet exciting coil (11) of IGBT2, relay RL1 it is normal
Beginning (21), diode D10 anode；The cathode and energy storage electricity of common end (19) connection diode D9, D10 of relay RL1
Hold (12) anode；The IGBT drive circuit A(16) and IGBT drive circuit B(17) by push-pull driver circuit B(18), TLP250
Same type optocoupler O3, diode D12 and resistance R14~R17 composition；CON2 input signal passes through the 2 of resistance R14 connection optocoupler O3
Foot, the 3 feet ground connection of optocoupler O3, resistance R15 is connected between CON2 signal and ground wire, 8,5 feet of optocoupler O3 be separately connected 15V ,-
10V positive-negative power reconnects push-pull driver circuit B(18) positive-negative power end, 7 feet of optocoupler O3 recommend by resistance R18 connection
Driving circuit B(18) input, push-pull driver circuit B(18) output by R16, R17 series connection ground connection, diode D12 reversely with electricity
Resistance R16 is connected in parallel, and the anode of diode D12 connects the pole G of IGBT1 by the output lead of IGBT drive circuit A(16)；After
Upper bridge of the normally closed and normally open two paths of electric appliance RL1 as bridge drive circuit (8), two IGBT drive electricity as bridge-type
The lower bridge on road (8).
5. a kind of intelligent type permanent magnet switch controller according to claim 1, it is characterised in that: battery emergency supply circuit
(2) high frequency transformer T1, optocoupler O1 isolation circuit are used, pulse switch charging circuit (6) uses pulse transformer T2, optocoupler O2
Isolation circuit, bridge drive circuit (8) use relay RL1, optocoupler O3 isolation circuit, power detecting (4), voltage sampling circuit
(7) optical coupling isolation circuit is used, high voltage power supply circuit signal is isolated with low voltage power supply circuit signal.
6. a kind of intelligent type permanent magnet switch controller according to claim 1, it is characterised in that: SCM system (1) connection
Memory EEPROM(10) and clock circuit (9), real-time time can be read from clock circuit (9), in memory EEPROM
(10) system operational parameters, real-time event record and accumulated running time, power down is accessed not lose.
7. a kind of intelligent type permanent magnet switch controller according to claim 1, it is characterised in that: smart phone (13) passes through mark
Quasi- bluetooth communication agreement and bluetooth communication module (5) are wirelessly connected, and bluetooth communication module (5) passes through UART communication interface and monolithic
Machine system (1) connection, smart phone (13) can be wirelessly communicated with SCM system (1) and on-line operation；Pass through smart phone
(13) the work operating parameter and real-time time that can set and inquire SCM system (1), can be with query history logout
And accumulated running time.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110634694A (en) * | 2019-08-21 | 2019-12-31 | 南京蓝园精瑞电气有限公司 | A manually switchable dual-circuit permanent magnet switch drive module |
| CN110676918A (en) * | 2019-11-08 | 2020-01-10 | 湖北民族大学 | Battery switch circuit, power supply management system and method |
| CN110970263A (en) * | 2018-09-30 | 2020-04-07 | 胡春生 | Intelligent permanent magnet switch controller |
| CN111162578A (en) * | 2019-12-10 | 2020-05-15 | 安徽合凯电气科技股份有限公司 | Permanent magnet switch mobile power supply |
| CN113745056A (en) * | 2020-05-29 | 2021-12-03 | 深圳绿米联创科技有限公司 | Switch control method, switch control device, switch and computer readable storage medium |
| CN114496652A (en) * | 2022-02-25 | 2022-05-13 | 固德威电源科技(广德)有限公司 | Voltage-multiplying driving circuit of relay |
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2018
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970263A (en) * | 2018-09-30 | 2020-04-07 | 胡春生 | Intelligent permanent magnet switch controller |
| CN110634694A (en) * | 2019-08-21 | 2019-12-31 | 南京蓝园精瑞电气有限公司 | A manually switchable dual-circuit permanent magnet switch drive module |
| CN110634694B (en) * | 2019-08-21 | 2025-02-14 | 南京蓝园精瑞电气有限公司 | A manually switchable dual-circuit permanent magnet switch drive module |
| CN110676918A (en) * | 2019-11-08 | 2020-01-10 | 湖北民族大学 | Battery switch circuit, power supply management system and method |
| CN111162578A (en) * | 2019-12-10 | 2020-05-15 | 安徽合凯电气科技股份有限公司 | Permanent magnet switch mobile power supply |
| CN113745056A (en) * | 2020-05-29 | 2021-12-03 | 深圳绿米联创科技有限公司 | Switch control method, switch control device, switch and computer readable storage medium |
| CN114496652A (en) * | 2022-02-25 | 2022-05-13 | 固德威电源科技(广德)有限公司 | Voltage-multiplying driving circuit of relay |
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