CN109327064A - Charge pile group current distribution system - Google Patents
Charge pile group current distribution system Download PDFInfo
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- CN109327064A CN109327064A CN201811547141.XA CN201811547141A CN109327064A CN 109327064 A CN109327064 A CN 109327064A CN 201811547141 A CN201811547141 A CN 201811547141A CN 109327064 A CN109327064 A CN 109327064A
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Classifications
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- 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
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H02J3/383—
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- H02J3/386—
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
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- Rectifiers (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Charging pile group current distribution system belongs to electric current distribution technique field more particularly to a kind of charging pile group current distribution system.The present invention provides a kind of charging pile group current distribution system of reliable operation.The present invention includes multiple charging piles, and each charging pile of structural feature is in parallel, and each charging pile electrical energy inputs are connected with the output port of high-voltage rectifying unit；The charging pile includes charging pile control system, charging pile control system includes controller, semibridge system chopper circuit, sensing module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, respectively with input power, the signal transmission port of controller is connected with the signal transmission port of the control signal input mouth of power output contactor, the control signal input mouth of indicator light, the control signal input mouth of charging gun electronic lock, user's port of charging gun, touch screen the detection signal input port of controller respectively by optical coupling isolation circuit.
Description
Technical field
The invention belongs to electric current distribution technique field more particularly to a kind of charging pile group current distribution systems.
Background technique
With the high speed development of new-energy automobile, people pay close attention to the charging technique of new-energy automobile further, therefore have
Necessity researches and develops a kind of safe and reliable charging equipment, and safe and reliable charging equipment then needs a kind of reliable charging pile group
Current distribution system.
Summary of the invention
The present invention addresses the above problem, provides a kind of charging pile group current distribution system of reliable operation.
To achieve the above object, the present invention adopts the following technical scheme that, the present invention includes multiple charging piles, structural feature
Each charging pile is in parallel, and each charging pile electrical energy inputs are connected with the output port of high-voltage rectifying unit；
The charging pile includes charging pile control system, and charging pile control system includes controller, semibridge system chopper circuit, sensing
Module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, the detection signal input port of controller respectively with input
Power supply, the signal transmission port of controller pass through the optical coupling isolation circuit control signal input with power output contactor respectively
User's communication of mouth, the control signal input mouth of indicator light, the control signal input mouth of charging gun electronic lock, charging gun
Mouth, the signal transmission port of touch screen are connected；
The detection signal input port of controller switchs tube temperature with detection semibridge system chopper circuit respectively by photoelectrical coupler
The signal output port of the temperature sensor of degree, the signal output port of the temperature sensor of detection charging gun temperature, CC1 control
The detection signal output port of voltage detecting circuit is connected；
The control signal output mouth of controller is connected with the control signal input mouth of semibridge system chopper circuit.
As a preferred embodiment, the output port of high-voltage rectifying unit of the present invention passes through closing busbar and charging pile
Electrical energy inputs are connected.
As another preferred embodiment, high-voltage rectifying unit of the present invention uses T1 high-voltage rectifier bridge (1) and T2 high pressure
The output of the input terminal and high-voltage rectifying transformer unit of rectifier bridge (2), T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2)
End is connected；
Or pulse wave rectifier circuit is used, the input terminal of pulse wave rectifier circuit is connected with the output end of high-voltage rectifying transformer unit.
As another preferred embodiment, pulse wave rectifier circuit of the present invention includes diode V7~V12, and diode V1~
V6, diode V7 anode are connected with 2a winding electric energy output end, diode V8 cathode respectively, diode V7 cathode respectively with two poles
Pipe V9 cathode, diode V12 cathode, pulse wave rectifier circuit output anode, diode V1 cathode, diode V3 cathode, diode
V5 cathode is connected；
Diode V8 anode respectively with diode V10 anode, diode V11 anode, diode V2 anode, diode V4 anode,
Diode V6 anode, pulse wave rectifier circuit output cathode are connected；
Diode V10 cathode is connected with 2b winding electric energy output end, diode V9 anode respectively, diode V11 cathode respectively with
2c winding electric energy output end, diode V12 anode are connected；
Diode V1 anode is connected with 3a winding electric energy output end, diode V2 cathode respectively, diode V3 anode respectively with 3b
Winding electric energy output end, diode V4 cathode are connected, and diode V5 anode is negative with 3c winding electric energy output end, diode V6 respectively
Extremely it is connected.
As another preferred embodiment, T1 high-voltage rectifier bridge (1) of the present invention and T2 high-voltage rectifier bridge (2), T1 high pressure
Rectifier bridge (1) includes L, K, J, I, H, G arm, and T2 high-voltage rectifier bridge (2) includes F, E, D, C, B, A arm；L, K arm one terminates 2a winding
Electric energy output end, another termination negative pole of output end of L arm, another termination output head anode of K arm；
J, I arm one terminates 2b winding electric energy output end, another termination negative pole of output end of J arm, another termination output head anode of I arm；
H, G arm one terminates 2c winding electric energy output end, another termination negative pole of output end of H arm, another termination output head anode of G arm；
F, E arm one terminates 3a winding electric energy output end, another termination negative pole of output end of F arm, another termination output head anode of E arm；
D, C arm one terminates 3b winding electric energy output end, another termination negative pole of output end of D arm, another termination output head anode of C arm；
B, A arm one terminates 3c winding electric energy output end, another termination negative pole of output end of B arm, another termination output head anode of A arm.
As another preferred embodiment, L arm of the present invention is connected by diode V12-1~2 and fuse FU12-1~2
Composition；
K arm is composed in series by diode V11-1~2 and fuse FU11-1~2；
J arm is composed in series by diode V10-1~2 and fuse FU10-1~2；
I arm is composed in series by diode V9-1~2 and fuse FU19-1~2；
H arm is composed in series by diode V8-1~2 and fuse FU8-1~2；
G arm is composed in series by diode V7-1~2 and fuse FU7-1~2；
F arm is composed in series by diode V6-1~2 and fuse FU6-1~2；
E arm is composed in series by diode V5-1~2 and fuse FU5-1~2；
D arm is composed in series by diode V4-1~2 and fuse FU4-1~2；
C arm is composed in series by diode V3-1~2 and fuse FU13-1~2；
B arm is composed in series by diode V2-1~2 and fuse FU2-1~2；
A arm is composed in series by diode V11-1~2 and fuse FU1-1~2.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes that commutation spike absorbs fusing electricity
Road, commutation spike absorb Zapping circuit and are connected with the arm of high-voltage rectifier bridge.
As another preferred embodiment, it includes resistance that the commutation spike that the present invention is connect with K arm, which absorbs Zapping circuit,
The one end R11, resistance R11 is connected with K arm, diode V11-3 anode, diode V11-2 anode, diode V11-1 anode respectively,
The resistance R11 other end passes sequentially through capacitor C11, fuse FU21 connects the end L+, and the signal output end of fuse FU21 meets PLC CPU
The detection signal input port of control unit；
Diode V11-3 cathode connects the end L+ by fuse FU11-3, and diode V11-2 cathode meets L+ by fuse FU11-2
End, diode V11-31 cathode connect the end L+ by fuse FU11-1；
The fuse FU11-3 signal output end detection signal with the one end resistance R81-3, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The fuse FU11-2 signal output end detection signal with the one end resistance R81-2, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The fuse FU11-1 signal output end detection signal with the one end resistance R81-1, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
As another preferred embodiment, it includes resistance R1 that the commutation spike that the present invention is connect with A arm, which absorbs Zapping circuit,
The one end resistance R1 is connected with A arm, diode V1-3 anode, diode V1-2 anode, diode V1-1 anode respectively, and resistance R1 is another
One end passes sequentially through capacitor C1, fuse FU21 connects the end L+, and the signal output end of fuse FU21 connects PLC CPU control unit
Detect signal input port；
Diode V1-3 cathode connects the end L+ by fuse FU1-3, diode V1-2 cathode by fuse FU1-2 connect the end L+,
Diode V1-31 cathode connects the end L+ by fuse FU1-1；
Fuse FU1-3 signal output end is defeated with the detection signal of the one end resistance R71-3, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Fuse FU1-2 signal output end is defeated with the detection signal of the one end resistance R71-2, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Fuse FU1-1 signal output end is defeated with the detection signal of the one end resistance R71-1, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
As another preferred embodiment, PLC CPU control unit of the present invention includes CPU226 A1, the end .0 of A1 and
The signal output end of 1.4 termination fuse FU21.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes touch screen ethernet module unit.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes switching overvoltage absorptive unit, behaviour
Making overvoltage absorptive unit includes varistor RV1~6, and varistor RV1 connects 2a winding power output by fuse FU41
End, varistor RV2 connect 2b winding electric energy output end by fuse FU42, and varistor RV3 meets 2c by fuse FU43
Winding electric energy output end, the detection signal that the signal output end of fuse 41~43 connects fast molten fusing alarm trip unit respectively are defeated
The detection letter for detecting signal input port, PLC CPU control unit of inbound port, bridge arm temperature alarm bridge arm overheat trip unit
Number input port is connected；
Varistor RV4 connects 3a winding electric energy output end by fuse FU44, and varistor RV5 meets 3b by fuse FU45
Winding electric energy output end, varistor RV6 connect 3c winding electric energy output end, the signal of fuse 44~46 by fuse FU46
Detection signal input port, the bridge arm temperature alarm bridge arm that output end connects fast fusing alarm trip unit respectively cross thermal tripping list
The detection signal input port of member, the detection signal input port of PLC CPU control unit are connected.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes overvoltage of direct current absorptive unit, directly
Flowing through voltage absorptive unit includes resistance R31, the R32 and DC voltage sampling module being connected in parallel, and resistance R31 and R32 are in parallel
Circuit on one side is connected with the end L+, the one end fuse FU53 respectively, the fuse FU53 other end respectively with the one end varistor RV13,
Resistance R91 is connected with R92 parallel circuit one end, resistance R91 and R92 the parallel circuit other end and the parallel circuit of capacitor C41~45
One end be connected, the parallel circuit of capacitor C41~45 other end respectively with the varistor RV13 other end, the one end fuse FU54 phase
Even, the fuse FU54 other end is connected with the resistance R31 and R32 parallel circuit other end, the end L- respectively；Fuse FU53 and FU54
Signal output port respectively with the detection signal input port of fast molten fusing alarm trip unit, bridge arm temperature alarm bridge arm mistake
The detection signal input port of thermal tripping unit, the detection signal input port of PLC CPU control unit are connected；
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes DC voltage sampling unit, DC voltage
Sampling unit includes DC voltage sampling module, and the detection input first port of DC voltage sampling module passes through fuse
FU55, FU56 are connected with the end L+, the end L-, and the detection input second port of DC voltage sampling module is connected with the end L2+, the end L2-,
The detection signal output port of DC voltage sampling module is connected with the detection signal input port of PLC unit.
As another preferred embodiment, PLC unit of the present invention uses EM231 A3, and A+, A- foot of A3 connects direct current
Press the detection signal output port of sampling module.
As another preferred embodiment, bridge arm temperature alarm bridge arm overheat trip unit of the present invention includes QBBJ04
19 feet of P2, P2 respectively with L arm, J arm, H arm, F arm, D arm, B arm, the one end switch L105, the one end switch J105, switch H105 mono-
End, the one end switch F105, the one end switch D105, the one end switch B105 be connected, the switch L105 other end, the switch J105 other end,
The switch H105 other end, the switch F105 other end, the switch D105 other end, the switch B105 other end respectively with 18~13 feet of P2
It is corresponding to be connected；
1~6 foot of P2 respectively with the one end switch A105, the one end switch C105, the one end switch E105, the one end switch G105, switch
The one end I105, the one end switch K105 are corresponding connected, and the switch A105 other end, the switch E105 other end, is opened the switch C105 other end
It is corresponding with A, C, E, G, I, K arm connected respectively to close the G105 other end, the switch I105 other end, the switch K105 other end, A, C, E,
G, I, K arm connect 7 feet of P2；8 feet of P2 connect the end .3 of A1.
As another preferred embodiment, bridge arm temperature alarm bridge arm overheat trip unit of the present invention includes QBBJ04
11,12 feet of P3, P3 are corresponding with 11,12 feet of P2 respectively to be connected；
19 feet of P3 respectively with L arm, J arm, H arm, F arm, D arm, B arm, the one end switch L115, the one end switch J115, switch H115
One end, the one end switch F115, the one end switch D115, the one end switch B115 are connected, and the switch L115 other end, switch J115 are another
End, the switch H115 other end, the switch F115 other end, the switch D115 other end, the switch B115 other end respectively with the 18 of P3~
13 feet are corresponding to be connected；
1~6 foot of P3 respectively with the one end switch A115, the one end switch C115, the one end switch E115, the one end switch G115, switch
The one end I115, the one end switch K115 are corresponding connected, and the switch A115 other end, the switch E115 other end, is opened the switch C115 other end
It is corresponding with A, C, E, G, I, K arm connected respectively to close the G115 other end, the switch I115 other end, the switch K115 other end, A, C, E,
G, I, K arm connect 7 feet of P3；8 feet of P3 connect the end .2 of A1.
As another preferred embodiment, fast molten fusing alarm trip unit of the present invention includes KRBJO4 P1, and the 5 of P1
Foot connects instrument separator system unit by the relay K14 of control fuse alarm tripping, and 6 feet of P1 meet instrument isolator system
System unit, 3,4 feet of P1 connect PLC CPU control unit.
As another preferred embodiment, instrument separator system unit of the present invention includes direct current part PV1, straight
Galvanic electricity stream part PA1, in-cabinet temperature collecting part, DC current part E1, in-cabinet temperature part E2 and fan section, PV1's
Input termination DC voltage sampling unit.
As another preferred embodiment, high-voltage rectifying unit of the present invention further includes high voltage rectifier stack control system power supply
Unit, high voltage rectifier stack control system power supply unit include PLC touch screen working power part, PLC DI power unit, isolation
Instruments and meters power unit, probe power part, alarm power unit, voltage sample isolator power unit, control power supply
Faulty component, PLC touch screen working power part, PLC DI power unit, isolator instrument power part, probe power portion
Divide, the input terminal of alarm power unit, voltage sample isolator power unit is connected with the end L1+, L1-.
As another preferred embodiment, charging pile control system of the present invention further includes logic combination circuit, logical groups
Close the input terminal acquisition control system power failure information, charging gun electronic lock feedback information, contacts of contactor information, leakage of circuit
Power information, emergency stop information, insulation detecting circuit information, panel-switch information, indicator light information and latch feedback information, and according to
Failure priority controls each information security alarm signal.
As another preferred embodiment, logic combination circuit of the present invention uses STM32F03 single-chip microcontroller.
As another preferred embodiment, controller of the present invention pass sequentially through SG3525 chip, Fiber isolation circuit with
The control signal input mouth of semibridge system chopper circuit is connected.
As another preferred embodiment, charging pile control system of the present invention further includes semibridge system chopper circuit short circuit report
Alert circuit.
As another preferred embodiment, semibridge system chopper circuit short-circuit alarming circuit of the present invention is used and is connect in semibridge system
The insulated monitor of chopper circuit output end.
As another preferred embodiment, semibridge system chopper circuit of the present invention includes IGBT S1~S4, and IGBT S1~
The gate pole of S4 is connected with the control signal output mouth of controller respectively, the source electrode of S1 respectively with the drain electrode of S2, the one end inductance L2
It is connected, the drain electrode of S1 is connected with the drain electrode of semibridge system chopper circuit electrical energy inputs anode, capacitor C1 one end, S3 respectively, capacitor
The C1 other end respectively with semibridge system chopper circuit electrical energy inputs cathode, the source electrode of S2, the source electrode of S4, the one end capacitor C2, half-bridge
Formula chopper circuit electric energy output end cathode is connected, and the capacitor C2 other end is electric with the inductance L2 other end, semibridge system chopper circuit respectively
Energy output head anode, the one end inductance L1 are connected, and the inductance L1 other end is connected with the drain electrode of the source electrode of S3, S4 respectively.
As another preferred embodiment, sensing module of the present invention includes the voltage sensor for detecting input voltage, inspection
The voltage sensor for surveying output voltage, the current sensor for detecting input current, the current sensor of detection output electric current, detection
The voltage sensor of vehicle battery voltage.
As another preferred embodiment, controller of the present invention uses STM32F103 chip, STM32F103 chip
The end ADC respectively with detection input voltage voltage sensor detection signal output port, detect output voltage voltage sensor
The detection signal output port of device, the detection signal output port of the current sensor of detection input current, detection output electric current
Current sensor detection signal output port, detect vehicle battery voltage voltage sensor detection signal output port
It is connected.
As another preferred embodiment, charging pile control system of the present invention further includes temperature-compensation circuit
As another preferred embodiment, photoelectrical coupler of the present invention uses HCNR201 module.
As another preferred embodiment, charging pile control system of the present invention further includes accessory power supply, accessory power supply letter
Number transmission port is connected with the signal transmission port of controller, and the power output port of accessory power supply by contactor KM5 and is filled
The auxiliary electric energy input port of electric appliance is connected, and the control signal input mouth of contactor KM5 and the control signal of controller export
Port is connected.
As another preferred embodiment, accessory power supply of the present invention uses digital switch power supply.
As another preferred embodiment, accessory power supply of the present invention passes sequentially through electric discharge mould by residual current operated protective device
Block, air switch QF2 are connected with AC/380V.
As another preferred embodiment, semibridge system chopper circuit electrical energy inputs anode of the present invention respectively with resistance R1
One end, the first normal open switch one end contactor KM2 be connected, the first normal open switch of contactor KM2 other end respectively with contactor KM1
First normal open switch one end, the one end fuse FU1 are connected, another terminating resistor R1 other end of the first normal open switch of contactor KM1；
The fuse FU1 other end respectively with the one end rheostat RV1, air switch QF1 first switch one end, the one end Surge Protector SPD1
It is connected, another termination DC/840V of air switch QF1 first switch, Surge Protector SPD1 other end ground connection；Rheostat RV1 is another
One end is connected with the one end fuse FU2, air switch QF1 second switch one end, the one end Surge Protector SPD2 respectively, and surge is protected
Protect device SPD2 other end ground connection, another termination DC/840V of air switch QF1 second switch；The fuse FU2 other end respectively with connect
The second normal open switch of tentaculum KM1 one end, the second normal open switch one end contactor KM2 are connected, and the second normal open switch of contactor KM1 is another
One end is connected with the second normal open switch of contactor KM2 other end, semibridge system chopper circuit electrical energy inputs cathode.
As another preferred embodiment, the contact switch being mounted on the invention also includes monitoring device door state on machine box door
The detection signal input part of the detection signal output port and controller of KV and the detection of charging gun return contact switch Kl, KV and Kl
Mouth is connected.
As another preferred embodiment, semibridge system chopper circuit electric energy output end anode of the present invention respectively with contactor
KM3 normal open switch one end, the one end varistor RV2, insulated monitor LMD positive terminal, the first normal open switch of contactor KM4 one end
Be connected, the contactor KM3 normal open switch other end by resistance R3 respectively with semibridge system chopper circuit electric energy output end cathode, pressure-sensitive
The resistance RV2 other end, insulated monitor LMD negative pole end, the second normal open switch one end contactor KM4 are connected, the control of contactor KM4
Signal input port processed is connected with the defeated place port of the control signal of controller；
Contactor KM4 the first normal open switch other end is connected with voltmeter positive terminal, charging gun positive terminal respectively, contactor KM4
The second normal open switch other end is connected with voltmeter negative pole end, charging gun negative pole end respectively, the detection signal output end of voltmeter
Mouth is connected with the detection signal input port of controller.
As another preferred embodiment, the charge step of charging pile of the present invention is successively are as follows: precharge, connection confirmation,
Self-test stage, configuration phase, charging stage and ending phase.
As another preferred embodiment, the present invention connects verification step successively are as follows: and controller is powered to preliminary filling rifle electronic lock,
Controller detects preliminary filling rifle electronic lock feedback signal, and controller detects CC1 signal；
Self-test stage etch is successively are as follows: closure contactor KM3, detection insulating monitoring signal, leadage circuit；
Configuration phase step is successively are as follows: charging pile controller and vehicle control device carry out handshake message, closure contactor KM4；
Charging stage step is successively are as follows: charging pile controller and vehicle control device carry out communication packet；Charging pile controller is adjusted
The voltage and current of semibridge system chopper circuit power output；Judge whether charge rest, if not recharge stage etch, if into
Enter ending phase；
Ending phase step is successively are as follows: charging pile controller and vehicle control device carry out charge rest message, disconnect contactor
KM4, leadage circuit, disconnect contactor KM3, unlock charging gun electronic lock, detection charging gun whether return.
As another preferred embodiment, leadage circuit of the present invention is will be on semibridge system chopper circuit output filter capacitor
The charge of storage is bled off quickly, reduces immediately the voltage on capacitor, by varistor RV2, will be stored on filter capacitor
Charge bleed off quickly.
As another preferred embodiment, detection charging gun of the present invention whether the mode of return are as follows: by K1 test point,
When charging gun, which is extracted, to charge, K1 is normally closed to become normally opened, and when charging gun return, K1 is normally opened becomes normally closed.
As another preferred embodiment, the mode of the present invention for judging whether charge rest are as follows: set in advance by user
Fixed charging modes are by electricity, by the amount of money or be full of, the charging pile charge rest when reaching setting condition.
As another preferred embodiment, charging pile controller storage Vehicular battery model, characteristic and charging of the present invention
Curve mathematic model, when vehicle control device is communicated with charging pile controller, charging pile controller reads the battery information of the vehicle,
Charging pile controller recalls and the matched mathematical model of vehicle battery behavior according to the battery information of the vehicle, provides charging current
And voltage.
As another preferred embodiment, the switching tube driving signal of each bridge arm of semibridge system chopper circuit of the present invention is by perseverance
The Double-closed-loop control circuit for determining output voltage limitation output electric current generates, which includes that voltage PI is adjusted
Device, electric current PI adjuster, phase shifter and m carrier wave, which are handed over, cuts comparator, and m carrier wave, which is handed over, cuts comparator and the multichannel
M bridge arm in copped wave module corresponds, the positive input terminal input reference voltage of voltage PI adjuster, voltage PI tune
The negative input end of section device inputs the output voltage of the multichannel copped wave module, and the output end of voltage PI adjuster connects electric current
The positive input terminal of PI adjuster, the negative input end of electric current PI adjuster input the output electric current of the multichannel copped wave module, electricity
The output end for flowing PI adjuster connects m carrier wave and hands over the positive input terminal for cutting comparator, and phase shifter exports m phase successively
Staggeredly 2 π/m carrier signal hands over the negative input end for cutting comparator to m carrier wave, and each carrier wave, which is handed over, cuts comparator output pair
Answer the switching tube driving signal of bridge arm.
As another preferred embodiment, the control signal output mouth of controller of the present invention passes sequentially through low pressure adjusting
Partially, constant current clipped portion, current regulator are handed over first carrier cut comparator positive input terminal respectively, the second carrier wave is handed over compared with cutting
Device positive input terminal be connected, first carrier hand over cut a comparator negative input end, the second carrier wave hand over cut comparator negative input end respectively with load
The output end of wave phase shifting part is connected, and the input terminal of phase-shifting carrier wave part is connected with the output end of carrier wave generating portion, and carrier wave is raw
It is connected at the control signal input of part with the control signal output mouth of controller；
First carrier hands over a section comparator output terminal to be connected respectively with the gate pole of S1, the first input terminal for negating circuit, and first negates
The gate pole of the output termination S2 of circuit；Second carrier wave hands over a section comparator output terminal to negate circuit with the gate pole of S3, second respectively
Input terminal is connected, and second negates the gate pole of the output termination S4 of circuit；
Detection of the detection signal input port of controller respectively with the sensor of detection semibridge system chopper circuit output voltage is believed
Number output port, detection semibridge system chopper circuit output the signal output port of sensor be connected.
Beneficial effect of the present invention.
Charging pile job stability and reliability can be improved by the mutual cooperation of each section in the present invention.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
In the statement of the following contents.
Fig. 1 is the system block diagram of the centralized high-voltage rectifying electric current distribution charging heap of the present invention.
Fig. 2 is high voltage protective system block diagram of the invention.
Fig. 3 is rectifier transformer block diagram of the invention.
Fig. 4 is block diagram of high-voltage rectifying system of the invention.
Fig. 5 is that commutation spike of the invention absorbs molten Zapping circuit figure fastly.
Fig. 6 is PLC CPU control unit figure of the invention.
Fig. 7 is touch screen of the invention, ethernet module unit figure.
Fig. 8 is overvoltage of direct current absorption of the invention, DC voltage sampling unit figure.
Fig. 9 is switching overvoltage absorptive unit figure of the invention.
Figure 10 is PLC unit figure of the invention.
Figure 11 is bridge arm temperature alarm of the invention, and bridge arm overheats trip unit figure.
Figure 12 is fast fusing alarm of the invention, trip unit figure.
Figure 13 is instrument separator system unit figure of the invention.
Figure 14 is high voltage rectifier stack control system power supply unit figure of the invention.
Figure 15 is charging pile Control system architecture unit figure of the invention.
Figure 16 is charging pile control system principle elements figure of the invention.
Figure 17 is charging pile control system flow chart of the invention.
Figure 18 is intelligent charging spot semibridge system binary channels crisscross parallel charging chopper circuit unit figure of the invention.
Figure 19 is intelligent charging spot dynamic allocation system regulating loop circuit unit figure of the invention.
Figure 20 is high-voltage rectifying transformer (diode) system unit figure of the invention.
Figure 21 is high-voltage rectifying transformer (thyristor) system unit figure of the invention.
Figure 22 is 12 pulse wave rectifier system unit figures of the invention.
Figure 23 is micro-capacitance sensor power supply system block diagram of the invention.
Figure 24 is micro-capacitance sensor controller of the invention.
Figure 25 is microgrid energy power system of the invention.
Figure 26 is micro-capacitance sensor battery management system of the invention.
Figure 27 is tap changer structural schematic diagram of the present invention.
Specific embodiment
As shown, present invention can apply to centralized high-voltage rectifying electric currents to distribute charging heap, centralized high-voltage rectifying electricity
Stream distribution charging heap includes high voltage protective unit, high-voltage rectifying transformer unit, high-voltage rectifying unit and charging pile group electric current point
With unit (i.e. present invention charging pile group current distribution system), the output port and high-voltage rectifying transformer list of high voltage protective unit
The input port of member is connected, and the output port of high-voltage rectifying transformer unit is connected with the input port of high-voltage rectifying unit, high
The output port of rectification unit and the input port of charging pile group current distribution unit is pressed to be connected.
Centralization high-voltage rectifying electric current distribution charging heap of the invention is cooperated by each unit, and the peace of charging heap can be improved
Full property and reliability, convenient for the distribution of charging current.
The output port of the high-voltage rectifying transformer unit exports 12 pulse wave 840V/1500A pulse voltages.
The middle straightening stream of the output port output 750V/1500A of the high-voltage rectifying unit.
The charging pile group current distribution unit includes multiple charging piles, and each charging pile is in parallel, each charging pile electric energy input
End is connected with the output port of high-voltage rectifying unit.
The output port of the high-voltage rectifying unit is connected by closing busbar with charging pile electrical energy inputs.
The high voltage protective unit includes incoming line cabinet, metering cabinet, PT cabinet, house transformer and outgoing line cabinet, incoming line cabinet it is defeated
The input of outlet and metering cabinet terminates a bus, the input terminal of the output termination PT cabinet of metering cabinet, the output termination two of PT cabinet
Secondary bus, secondary bus are connected with the input terminal of the input terminal of house transformer, outgoing line cabinet respectively, and the output of outgoing line cabinet terminates high
The input terminal of voltage adjustment rectifier transformer unit.House transformer can for all devices control power supply and entire charging field illumination and
Communication equipment power supply.
The invention also includes the electric energy output ends of micro-capacitance sensor power supply system to be connected with secondary bus.
In the insufficient situation of local network load, the 500KW micro-grid system that system support can be selected carries out load benefit
It fills.
The rectifier transformer pair side of the high-voltage rectifying transformer unit uses star, triangle output-parallel structure.Rectification becomes
Star and delta connection is respectively adopted in depressor secondary side winding, makes phase shifting between two groups of three-phase alternating-current supplies, size phase
Deng, so that output rectified voltage is made to pulse 12 times in each AC mains cycle, the rectification change of high-voltage rectifying transformer unit
After depressor secondary winding is respectively connected to T1 and T2 high-voltage rectifier bridge, exported after two groups of direct current outputs are in parallel.
The turn ratio of the rectifier transformer first winding and secondary winding is 1: 1: 3, wherein secondary winding star structure
It is 1, delta connection structure 3.
The iron core of the rectifier transformer uses silicon steel sheet 30Q130, is bound using 45 ° of full bias seams without latitude glass tape
Structure.Structure modulation flux density < 1.58T of the present invention, it can be ensured that when voltage ripple of power network+5%, iron core not overexcitation；Pressure regulation model
Still output rated voltage when enclosing consideration voltage ripple of power network -5%；Whole change flux density < 1.65T.
Micro-capacitance sensor power supply system includes master switch, step-up transformer, first switch, photovoltaic DC-to-AC converter, photovoltaic module, second
Switch, blower inverter, wind-driven generator, third switch, energy storage inverter, energy-storage battery, the 4th switch and active electric power filter
Wave device, master switch one terminate secondary bus, and the master switch other end is connected with step-up transformer output end, step-up transformer input terminal
One end, the 4th switch one end are switched with first switch one end, second switch one end, third respectively to be connected, first switch one end is another
One end is connected with the output end of photovoltaic DC-to-AC converter, the output end of the input termination photovoltaic module of photovoltaic DC-to-AC converter；
Second switch one end other end is connected with the output end of blower inverter, and the input terminal of blower inverter is given a dinner for a visitor from afar power generator
Output end；
Third switchs one end other end and is connected with the output end of energy storage inverter, and the input of energy storage inverter terminates energy-storage battery；
One end is another is terminated with active power filter for 4th switch.
The high-voltage rectifying transformer unit includes high-pressure side winding, low-pressure side star parallel winding and low-pressure side triangle
Parallel winding.
The high-voltage rectifying transformer unit further includes the voltage sensor for detecting low-pressure side voltage, the letter of voltage sensor
Number output port is connected with the detection signal input port of controller, the control signal output mouth of controller and adjusts high-pressure side
The control signal input mouth of the tap changer of umber of turn is connected.
The present invention uses 7 segmentation tap changers, and the AC energy of power grid is by entering tap changer, pressure regulation after high-voltage switch gear
Switch can be operated by tap switch with carrying.The gear of tap changer shows that signal is transmitted to commutation system control cabinet, and energy
Receive control cabinet has load boosting, has load to be depressured and have load emergency stop operation signal.Transformation tap is carried out to the primary side of transformer
The operation of voltage is adjusted, to guarantee that secondary side exports one compared with stable voltage.When system detection to direct current primary voltage
When lower than voltage rating 10%, control system adjust tap changer, by reduce first winding the number of turns, reach improve it is secondary around
The purpose of group output voltage.
When the controller detects low-pressure side voltage lower than voltage rating 10%, controller controls tap changer and reduces height
Press the number of turns of side winding.
High-pressure side winding includes U phase winding, V phase winding and W phase winding, tap changer group include the first tap changer of U phase,
The second tap changer of U phase, the first tap changer of V phase, the second tap changer of V phase, the first tap changer of W phase, the second pressure regulation of W phase are opened
It closes,
U phase winding centre cap is U phase input terminal and opens respectively with the first terminals of the first tap changer of W phase, the second pressure regulation of W phase
The first terminals are closed to be connected；
V phase winding centre cap is V phase input terminal and opens respectively with the first terminals of the first tap changer of U phase, the second pressure regulation of U phase
The first terminals are closed to be connected；
W phase winding centre cap is W phase input terminal and opens respectively with the first terminals of the first tap changer of V phase, the second pressure regulation of V phase
The first terminals are closed to be connected；
The second wiring of the first tap changer of U phase terminates U phase winding one end, another the second tap changer of termination U phase second of U phase winding
Terminals；
The second wiring of the first tap changer of V phase terminates V phase winding one end, another the second tap changer of termination V phase second of V phase winding
Terminals；
The second wiring of the first tap changer of W phase terminates W phase winding one end, another the second tap changer of termination W phase second of W phase winding
Terminals.
The low-pressure side star parallel winding includes 2a winding, 2b winding and 2c winding, low-pressure side triangle parallel winding
Including 3a winding, 3b winding and 3c winding, 2a winding one end, 2b winding one end, 2c winding one end are connected, the 2a winding other end,
The 2b winding other end, the 2c winding other end are electric energy output end；
3a winding one end is electric energy output end and be connected with 3c winding one end, the 3c winding other end be electric energy output end simultaneously and 3b around
Group one end is connected, and the 3b winding other end is electric energy output end and is connected with the 3a winding other end.
The high-voltage rectifying unit uses T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2), T1 high-voltage rectifier bridge (1)
It is connected with the input terminal of T2 high-voltage rectifier bridge (2) with the output end of high-voltage rectifying transformer unit；
Or pulse wave rectifier circuit is used, the input terminal of pulse wave rectifier circuit is connected with the output end of high-voltage rectifying transformer unit.
The pulse wave rectifier circuit includes diode V7~V12, diode V1~V6, diode V7 anode respectively with 2a around
Group electric energy output end, diode V8 cathode be connected, diode V7 cathode respectively with diode V9 cathode, diode V12 cathode, arteries and veins
Wave rectification circuit output cathode, diode V1 cathode, diode V3 cathode, diode V5 cathode are connected；
Diode V8 anode respectively with diode V10 anode, diode V11 anode, diode V2 anode, diode V4 anode,
Diode V6 anode, pulse wave rectifier circuit output cathode are connected；
Diode V10 cathode is connected with 2b winding electric energy output end, diode V9 anode respectively, diode V11 cathode respectively with
2c winding electric energy output end, diode V12 anode are connected；
Diode V1 anode is connected with 3a winding electric energy output end, diode V2 cathode respectively, diode V3 anode respectively with 3b
Winding electric energy output end, diode V4 cathode are connected, and diode V5 anode is negative with 3c winding electric energy output end, diode V6 respectively
Extremely it is connected.
Figure 22 pulse wave rectifier circuit, two 30 ° of three-phase thyristor bridge rectification circuit phase shift connections in parallel form pulse wave rectifier
Circuit makes between two groups of three-phase alternating-current supplies 30 ° of phase shifting, and output rectified voltage is made to pulse 12 times in a power cycle.
T1 and T2 is two groups of rectifier bridges in parallel.
The T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2), T1 high-voltage rectifier bridge (1) includes L, K, J, I, H, G
Arm, T2 high-voltage rectifier bridge (2) include F, E, D, C, B, A arm；L, K arm one terminates 2a winding electric energy output end, and another termination of L arm is defeated
Outlet cathode, another termination output head anode of K arm；
J, I arm one terminates 2b winding electric energy output end, another termination negative pole of output end of J arm, another termination output head anode of I arm；
H, G arm one terminates 2c winding electric energy output end, another termination negative pole of output end of H arm, another termination output head anode of G arm；
F, E arm one terminates 3a winding electric energy output end, another termination negative pole of output end of F arm, another termination output head anode of E arm；
D, C arm one terminates 3b winding electric energy output end, another termination negative pole of output end of D arm, another termination output head anode of C arm；
B, A arm one terminates 3c winding electric energy output end, another termination negative pole of output end of B arm, another termination output head anode of A arm.
The L arm is composed in series by diode V12-1~2 and fuse FU12-1~2；
K arm is composed in series by diode V11-1~2 and fuse FU11-1~2；
J arm is composed in series by diode V10-1~2 and fuse FU10-1~2；
I arm is composed in series by diode V9-1~2 and fuse FU19-1~2；
H arm is composed in series by diode V8-1~2 and fuse FU8-1~2；
G arm is composed in series by diode V7-1~2 and fuse FU7-1~2；
F arm is composed in series by diode V6-1~2 and fuse FU6-1~2；
E arm is composed in series by diode V5-1~2 and fuse FU5-1~2；
D arm is composed in series by diode V4-1~2 and fuse FU4-1~2；
C arm is composed in series by diode V3-1~2 and fuse FU13-1~2；
B arm is composed in series by diode V2-1~2 and fuse FU2-1~2；
A arm is composed in series by diode V11-1~2 and fuse FU1-1~2.
The high-voltage rectifying unit further include commutation spike absorb Zapping circuit, commutation spike absorb Zapping circuit with
The arm of high-voltage rectifier bridge is connected.
It includes resistance R11 that the commutation spike that connect with K arm, which absorbs Zapping circuit, the one end resistance R11 respectively with K arm, two
Pole pipe V11-3 anode, diode V11-2 anode, diode V11-1 anode are connected, and the resistance R11 other end passes sequentially through capacitor
C11, fuse FU21 connect the end L+, and the signal output end of fuse FU21 connects the detection signal input part of PLC CPU control unit
Mouthful；
Diode V11-3 cathode connects the end L+ by fuse FU11-3, and diode V11-2 cathode meets L+ by fuse FU11-2
End, diode V11-31 cathode connect the end L+ by fuse FU11-1；
The fuse FU11-3 signal output end detection signal with the one end resistance R81-3, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The fuse FU11-2 signal output end detection signal with the one end resistance R81-2, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The fuse FU11-1 signal output end detection signal with the one end resistance R81-1, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
It includes resistance R1 that the commutation spike that connect with A arm, which absorbs Zapping circuit, the one end resistance R1 respectively with A arm, two poles
Pipe V1-3 anode, diode V1-2 anode, diode V1-1 anode are connected, and the resistance R1 other end passes sequentially through capacitor C1, fusing
Device FU21 connects the end L+, and the signal output end of fuse FU21 connects the detection signal input port of PLC CPU control unit；
Diode V1-3 cathode connects the end L+ by fuse FU1-3, diode V1-2 cathode by fuse FU1-2 connect the end L+,
Diode V1-31 cathode connects the end L+ by fuse FU1-1；
Fuse FU1-3 signal output end is defeated with the detection signal of the one end resistance R71-3, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Fuse FU1-2 signal output end is defeated with the detection signal of the one end resistance R71-2, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Fuse FU1-1 signal output end is defeated with the detection signal of the one end resistance R71-1, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
The PLC CPU control unit includes CPU226 A1, and the signal that the end .0 of A1 and 1.4 terminate fuse FU21 is defeated
Outlet.
The high-voltage rectifying unit further includes touch screen ethernet module unit.
The high-voltage rectifying unit further includes switching overvoltage absorptive unit, and switching overvoltage absorptive unit includes pressure-sensitive electricity
RV1~6 are hindered, varistor RV1 connects 2a winding electric energy output end by fuse FU41, and varistor RV2 passes through fuse
FU42 connects 2b winding electric energy output end, and varistor RV3 connects 2c winding electric energy output end by fuse FU43, and fuse 41~
43 signal output end connects the detection signal input port of fast fusing alarm trip unit, bridge arm temperature alarm bridge arm mistake respectively
The detection signal input port of thermal tripping unit, the detection signal input port of PLC CPU control unit are connected；
Varistor RV4 connects 3a winding electric energy output end by fuse FU44, and varistor RV5 meets 3b by fuse FU45
Winding electric energy output end, varistor RV6 connect 3c winding electric energy output end, the signal of fuse 44~46 by fuse FU46
Detection signal input port, the bridge arm temperature alarm bridge arm that output end connects fast fusing alarm trip unit respectively cross thermal tripping list
The detection signal input port of member, the detection signal input port of PLC CPU control unit are connected.
The high-voltage rectifying unit further includes overvoltage of direct current absorptive unit, and overvoltage of direct current absorptive unit includes in parallel connects
Resistance R31, the R32 and DC voltage sampling module connect, resistance R31 and R32 parallel circuit one end respectively with the end L+, fuse
The one end FU53 be connected, the fuse FU53 other end respectively with the one end varistor RV13, resistance R91 and R92 parallel circuit one end
It is connected, resistance R91 and R92 the parallel circuit other end is connected with the parallel circuit of capacitor C41~45 one end, and capacitor C41~45 is in parallel
The circuit other end is connected with the varistor RV13 other end, the one end fuse FU54 respectively, the fuse FU54 other end respectively with
Resistance R31 is connected with the R32 parallel circuit other end, the end L-；The signal output port of fuse FU53 and FU54 are melted with fast respectively
The detection signal input of the detection signal input port, bridge arm temperature alarm bridge arm overheat trip unit of fusing alarm trip unit
Port, the detection signal input port of PLC CPU control unit are connected；
The high-voltage rectifying unit further includes DC voltage sampling unit, and DC voltage sampling unit includes DC voltage sampling mold
The detection input first port of block, DC voltage sampling module is connected by fuse FU55, FU56 with the end L+, the end L-, direct current
The detection input second port of voltage sampling module is connected with the end L2+, the end L2-, and the detection signal of DC voltage sampling module is defeated
Exit port is connected with the detection signal input port of PLC unit.
The PLC unit uses EM231 A3, and A+, A- foot of A3 connects the detection signal output end of DC voltage sampling module
Mouthful.
Bridge arm temperature alarm bridge arm overheat trip unit includes QBBJ04 P2,19 feet of P2 respectively with L arm, J arm, H
Arm, F arm, D arm, B arm, the one end switch L105, the one end switch J105, the one end switch H105, the one end switch F105, switch D105 mono-
End, the one end switch B105 are connected, and the switch L105 other end, the switch J105 other end, the switch H105 other end, switch F105 are another
End, the switch D105 other end, the switch B105 other end are corresponding with 18~13 feet of P2 respectively to be connected；
1~6 foot of P2 respectively with the one end switch A105, the one end switch C105, the one end switch E105, the one end switch G105, switch
The one end I105, the one end switch K105 are corresponding connected, and the switch A105 other end, the switch E105 other end, is opened the switch C105 other end
It is corresponding with A, C, E, G, I, K arm connected respectively to close the G105 other end, the switch I105 other end, the switch K105 other end, A, C, E,
G, I, K arm connect 7 feet of P2；8 feet of P2 connect the end .3 of A1.
The bridge arm temperature alarm bridge arm overheat trip unit includes QBBJ04 P3, and 11,12 feet of P3 are respectively with P2's
11,12 feet are corresponding is connected；
19 feet of P3 respectively with L arm, J arm, H arm, F arm, D arm, B arm, the one end switch L115, the one end switch J115, switch H115
One end, the one end switch F115, the one end switch D115, the one end switch B115 are connected, and the switch L115 other end, switch J115 are another
End, the switch H115 other end, the switch F115 other end, the switch D115 other end, the switch B115 other end respectively with the 18 of P3~
13 feet are corresponding to be connected；
1~6 foot of P3 respectively with the one end switch A115, the one end switch C115, the one end switch E115, the one end switch G115, switch
The one end I115, the one end switch K115 are corresponding connected, and the switch A115 other end, the switch E115 other end, is opened the switch C115 other end
It is corresponding with A, C, E, G, I, K arm connected respectively to close the G115 other end, the switch I115 other end, the switch K115 other end, A, C, E,
G, I, K arm connect 7 feet of P3；8 feet of P3 connect the end .2 of A1.
The fast fusing alarm trip unit includes KRBJO4 P1, and 5 feet of P1 pass through control fuse alarm tripping
Relay K14 connects instrument separator system unit, and 6 feet of P1 connect instrument separator system unit, and 3,4 feet of P1 meet PLC CPU
Control unit.
The instrument separator system unit includes that direct current part PV1, DC current part PA1, in-cabinet temperature are adopted
Collect part, DC current part E1, in-cabinet temperature part E2 and fan section, the input of PV1 terminates DC voltage sampling unit.
In Fig. 6, each foot output of PLC carries out controlling various signals, each intermediate relay by multiple intermediate relay K
The contact of device K is marked with terminal number, and each terminal is according to number connected to external hardware (such as: each button, indicator light, air draft
Fan etc.).
Autotransducer includes control winding, displacement winding (offset winding), spare winding, Figure 20.DC power supply is defeated
The magnetic density for changing autotransducer to one of winding is sent, adjusts AC energy indirectly, reaches the mesh of steady-state adjustment
's.
Have and carry the alternating voltage that tap changer is inputted in the primary-side-control of rectifier transformer, controls in a certain range defeated
D. C. value out.There is load tap changer to be used in combination with the saturable reactor being connected in rectifier output circuit.By
DC current is introduced in reactor, makes to generate a variable impedance in route.It is defeated by controlling the voltage drop at reactor both ends
Value can control in narrow range out.
The high-voltage rectifying unit further includes high voltage rectifier stack control system power supply unit, high voltage rectifier stack control system electricity
Source unit includes PLC touch screen working power part, PLC DI power unit, isolator instrument power part, probe power
Partially, alarm power unit, voltage sample isolator power unit, control power failure part, PLC touch screen working power
Partially, PLC DI power unit, isolator instrument power part, probe power part, alarm power unit, voltage sample
The input terminal of isolator power unit is connected with the end L1+, L1-.
The charging pile includes charging pile control system, charging pile control system include controller, semibridge system chopper circuit,
Sensing module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, the detection signal input port of controller respectively with
The signal transmission port of input power, controller is defeated with the control signal of power output contactor respectively by optical coupling isolation circuit
Inbound port, the control signal input mouth of indicator light, the control signal input mouth of charging gun electronic lock, the user of charging gun are logical
Casually, the signal transmission port of touch screen is connected；
The detection signal input port of controller switchs tube temperature with detection semibridge system chopper circuit respectively by photoelectrical coupler
The signal output port of the temperature sensor of degree, the signal output port of the temperature sensor of detection charging gun temperature, CC1 control
The detection signal output port of voltage detecting circuit is connected；
The control signal output mouth of controller is connected with the control signal input mouth of semibridge system chopper circuit.
The charging pile control system further includes logic combination circuit, the input terminal acquisition control system of logic combination circuit
Power failure information, charging gun electronic lock feedback information, contacts of contactor information, electric leakage information, emergency stop information, Insulation monitoring electricity
Road information, panel-switch information, indicator light information and latch feedback information, and according to failure priority, control each information security
Alarm signal.
The logic combination circuit uses STM32F03 single-chip microcontroller.
It is defeated that the controller passes sequentially through SG3525 chip, Fiber isolation circuit and the control signal of semibridge system chopper circuit
Inbound port is connected.
The charging pile control system further includes semibridge system chopper circuit short-circuit alarming circuit.
The semibridge system chopper circuit short-circuit alarming circuit is using the insulating monitoring connect in semibridge system chopper circuit output end
Device.
The semibridge system chopper circuit includes IGBT S1~S4, the gate pole of IGBT S1~S4 respectively with the control of controller
Signal output port is connected, and the source electrode of S1 is connected with the drain electrode of S2, the one end inductance L2 respectively, and the drain electrode of S1 is cut with semibridge system respectively
Wave circuit electrical energy inputs anode, the one end capacitor C1, S3 drain electrode be connected, the capacitor C1 other end respectively with semibridge system chopper circuit
Electrical energy inputs cathode, the source electrode of S2, the source electrode of S4, the one end capacitor C2, semibridge system chopper circuit electric energy output end cathode are connected,
The capacitor C2 other end is connected with the inductance L2 other end, semibridge system chopper circuit electric energy output end anode, the one end inductance L1 respectively, electricity
The sense L1 other end is connected with the drain electrode of the source electrode of S3, S4 respectively.
Figure 18, the switching tube driving signal of each bridge arm is limited by constant output voltage and is exported in each multichannel copped wave module
The Double-closed-loop control circuit of electric current generates, which includes voltage PI adjuster, electric current PI adjuster, moves
Phase device and m carrier wave, which are handed over, cuts comparator, and m carrier wave hands over the m bridge arm cut in comparator and the multichannel copped wave module
It corresponds, the positive input terminal input reference voltage of voltage PI adjuster, the negative input end input of voltage PI adjuster should
The output voltage of multichannel copped wave module, the positive input terminal of the output end connection electric current PI adjuster of voltage PI adjuster,
The negative input end of electric current PI adjuster inputs the output electric current of the multichannel copped wave module, the output end of electric current PI adjuster
M carrier wave of connection hands over the positive input terminal for cutting comparator, and phase shifter exports m phase successively staggeredly 2 π/m carrier signal
The negative input end for cutting comparator is handed over to m carrier wave, each carrier wave hands over the switching tube for cutting the corresponding bridge arm of comparator output to drive letter
Number.
Uin is the DC voltage that transformer rectifying part provides, and C1 is input filter capacitor, S1, S2, L2 composition one and half
Bridge power topology, S3, S4, L2 form another half-bridge power topology, and C2 is output filter capacitor, and IL is inductive current sampling
(average value is equivalent to charging current), Uo are charging output voltage.G1-g4 corresponds to the driving signal of S1-S4, passes through g1-g4's
The constant current voltage limiting control of charge power supply is realized in pulsewidth modulation.
Figure 19, including intelligent charging spot dynamic allocation system regulating loop, charging voltage gives Uref and charging current is given
Determine a reference value of charging voltage and electric current that Iref is setting, it is charge power supply that output voltage, which samples Uo and inductive current sampling IL,
Controlled volume.The modulating wave obtained by voltage regulator and current regulator, with two staggeredly 180 ° triangular carrier carry out
Carrier wave, which is handed over, to be cut, and driving signal g1-g4, the final stability contorting for realizing charge power supply are generated.Wherein, g1/g2 and g3/g4 difference is mutual
Mend work.
The sensing module includes the voltage sensor for detecting input voltage, the voltage sensor for detecting output voltage, inspection
Survey the current sensor of input current, the current sensor of detection output electric current, the voltage sensor for detecting vehicle battery voltage.
The controller uses STM32F103 chip, the end ADC of STM32F103 chip respectively with detection input voltage
The detection signal output port of voltage sensor, the detection signal output port of the voltage sensor of detection output voltage, detection
The detection signal output of the detection signal output port, the current sensor of detection output electric current of the current sensor of input current
Port, the detection signal output port for the voltage sensor for detecting vehicle battery voltage are connected.
The charging pile control system further includes temperature-compensation circuit
The photoelectrical coupler uses HCNR201 module.
The charging pile control system further includes accessory power supply, the signal biography of accessory power supply signal transmission port and controller
Defeated port is connected, and the power output port of accessory power supply is connected by contactor KM5 with the auxiliary electric energy input port of charger,
The control signal input mouth of contactor KM5 is connected with the control signal output mouth of controller.
The accessory power supply uses digital switch power supply.
The accessory power supply passes sequentially through discharge module, air switch QF2 and AC/380V phase by residual current operated protective device
Even.
The semibridge system chopper circuit electrical energy inputs anode respectively with the one end resistance R1, contactor KM2 first is normally opened opens
Close one end be connected, the first normal open switch of contactor KM2 other end respectively with the first normal open switch of contactor KM1 one end, fuse
The one end FU1 is connected, another terminating resistor R1 other end of the first normal open switch of contactor KM1；The fuse FU1 other end respectively with change
Resistance one end device RV1, air switch QF1 first switch one end, the one end Surge Protector SPD1 are connected, and air switch QF1 first is opened
Close another termination DC/840V, Surge Protector SPD1 other end ground connection；The rheostat RV1 other end respectively with fuse FU2 mono-
End, air switch QF1 second switch one end, the one end Surge Protector SPD2 are connected, Surge Protector SPD2 other end ground connection, empty
Another termination DC/840V of air cock QF1 second switch；The fuse FU2 other end respectively with the second normal open switch of contactor KM1 one
End, the second normal open switch one end contactor KM2 are connected, and contactor KM1 the second normal open switch other end and contactor KM2 second are normal
Switch the other end, semibridge system chopper circuit electrical energy inputs cathode is connected.
Contact switch KV and the detection of charging gun return being mounted on the invention also includes monitoring device door state on machine box door
The detection signal output port of contact switch Kl, KV and Kl are connected with the detection signal input port of controller.
The semibridge system chopper circuit electric energy output end anode respectively with contactor KM3 normal open switch one end, varistor
The one end RV2, insulated monitor LMD positive terminal, the first normal open switch one end contactor KM4 are connected, and contactor KM3 normal open switch is another
One end by resistance R3 respectively with semibridge system chopper circuit electric energy output end cathode, the varistor RV2 other end, insulated monitor
LMD negative pole end, the second normal open switch one end contactor KM4 are connected, the control signal input mouth of contactor KM4 and controller
The defeated place port of signal is controlled to be connected；
Contactor KM4 the first normal open switch other end is connected with voltmeter positive terminal, charging gun positive terminal respectively, contactor KM4
The second normal open switch other end is connected with voltmeter negative pole end, charging gun negative pole end respectively, the detection signal output end of voltmeter
Mouth is connected with the detection signal input port of controller.
The charge step of the charging pile is successively are as follows: precharge, connection confirmation, self-test stage, configuration phase, charging stage
And ending phase.
Connect verification step successively are as follows: controller is powered to preliminary filling rifle electronic lock, and it is anti-that controller detects preliminary filling rifle electronic lock
Feedback signal, controller detect CC1 signal；
Self-test stage etch is successively are as follows: closure contactor KM3, detection insulating monitoring signal, leadage circuit；
Configuration phase step is successively are as follows: charging pile controller and vehicle control device carry out handshake message, closure contactor KM4；
Charging stage step is successively are as follows: charging pile controller and vehicle control device carry out communication packet；Charging pile controller is adjusted
The voltage and current of semibridge system chopper circuit power output；Judge whether charge rest, if not recharge stage etch, if into
Enter ending phase；
Ending phase step is successively are as follows: charging pile controller and vehicle control device carry out charge rest message, disconnect contactor
KM4, leadage circuit, disconnect contactor KM3, unlock charging gun electronic lock, detection charging gun whether return.
The leadage circuit is to bleed off the charge stored on semibridge system chopper circuit output filter capacitor quickly, makes capacitor
Voltage on device reduces immediately, and by varistor RV2, the charge stored on filter capacitor is bled off quickly.
The detection charging gun whether the mode of return are as follows: by K1 test point, when charging gun, which is extracted, to charge, K1 is normally closed
Become normally opened, K1 is normally opened when charging gun return becomes normally closed.
The mode for judging whether charge rest are as follows: by the preset charging modes of user by electricity, by the amount of money
Or it is full of, the charging pile charge rest when reaching setting condition.
The charging pile controller storage Vehicular battery model, characteristic and charging curve mathematical model, work as vehicle control device
When communicating with charging pile controller, charging pile controller reads the battery information of the vehicle, and charging pile controller is according to the electricity of the vehicle
Pond information, recalls and the matched mathematical model of vehicle battery behavior, provides charging current and voltage.
The switching tube driving signal of each bridge arm of semibridge system chopper circuit limits output electric current by constant output voltage
Double-closed-loop control circuit generate, the Double-closed-loop control circuit include voltage PI adjuster, electric current PI adjuster, phase shifter with
And m carrier wave is handed over and cuts comparator, m carrier wave hands over the m bridge arm one cut in comparator and the multichannel copped wave module a pair of
It answers, the negative input end of the positive input terminal input reference voltage of voltage PI adjuster, voltage PI adjuster inputs the multichannel
The output voltage of copped wave module, the positive input terminal of the output end connection electric current PI adjuster of voltage PI adjuster, electric current PI
The negative input end of adjuster inputs the output electric current of the multichannel copped wave module, and the output end of electric current PI adjuster connects m
A carrier wave hands over the positive input terminal for cutting comparator, and phase shifter exports m phase and successively interlocks 2 π/m carrier signal to m
Carrier wave hands over the negative input end for cutting comparator, and each carrier wave, which is handed over, cuts the switching tube driving signal that comparator exports corresponding bridge arm.
The control signal output mouth of the controller passes sequentially through low pressure and adjusts part, constant current clipped portion, electric current tune
Section device is handed over first carrier cut comparator positive input terminal respectively, the second carrier wave hands over a section comparator positive input terminal to be connected, first carrier
Hand over a section comparator negative input end, the second carrier wave that a section comparator negative input end is handed over to be connected respectively with the output end of phase-shifting carrier wave part,
The input terminal of phase-shifting carrier wave part is connected with the output end of carrier wave generating portion, the control signal input of carrier wave generating portion with
The control signal output mouth of controller is connected；
First carrier hands over a section comparator output terminal to be connected respectively with the gate pole of S1, the first input terminal for negating circuit, and first negates
The gate pole of the output termination S2 of circuit；Second carrier wave hands over a section comparator output terminal to negate circuit with the gate pole of S3, second respectively
Input terminal is connected, and second negates the gate pole of the output termination S4 of circuit；
Detection of the detection signal input port of controller respectively with the sensor of detection semibridge system chopper circuit output voltage is believed
Number output port, detection semibridge system chopper circuit output the signal output port of sensor be connected.
The invention also includes unit microcomputer protection monitor part, transformer cooling system, rectification cooling system, detection rectifications
The direct current transducer of transformer output current voltage, direct current banister S1~S4, PLC signal transmission port protected respectively with group microcomputer
Protect the signal transmission port, the signal transmission port of transformer cooling system, the signal transmission for rectifying cooling system of monitor portion
Port, the signal transmission port of direct current transducer, the signal transmission port of direct current banister are connected.
The invention also includes PWM drive part, the control signal input mouth of PWM drive part and the control signal of PLC
Output port is connected, the control signal output mouth of PWM drive part control signal input mouth, the B with the control section A respectively
The control signal input mouth of control section is connected.
The control section A and the control section B include the displacement that reactor is arrived to reactor control winding and one
Winding, DC power supply are delivered to one of winding, change the magnetic density of autotransducer, adjust AC energy indirectly；A
TA1 is controlled, B controls TA2；TA1, TA2 respectively correspond secondary winding star structure part and delta connection structure division.
The control section A is connect with transformer TA1 output end reactor, the control section B and transformer TA2 output end electricity
Anti- device connection.
The invention also includes A phase shift diode and B phase shift diode, A phase shift diode and TA1 reactor are displaced winding terminal
Mouth connection, B phase shift diode and transformer TA2 reactor displacement winding port connect.
The invention also includes control conversion section, control conversion section detects the work of direct current major loop by direct current transducer
Whether normal make voltage, such as off-rating ± 10%, control system will issue instructions to tap changer and be adjusted.
The rectification cooling system includes the temperature sensor and rectification part cooling fan for detecting rectification part, and temperature passes
The detection signal output port of sensor is connected with the detection signal input port of PLC, the control signal output mouth of PLC and rectification
The control signal input mouth of component cooling fan is connected.
The transformer cooling system includes the temperature sensor and fan for cooling transformer for detecting transformer operating temperature,
The detection signal output port of temperature sensor is connected with the detection signal input port of PLC, the control signal output mouth of PLC
It is connected with the control signal input mouth of fan for cooling transformer.
Described group of microcomputer protection monitor part uses single-chip microcontroller, and the detection signal input port of single-chip microcontroller is pressed off with height respectively
Close the detection signal output port of cabinet detection part, detection signal output port, the transformer of on-load voltage regulating switch detection part
Detection signal output port, the detection signal output port of commutation system temperature detection part, the direct current of temperature detection part return
The detection signal output port of the detection part on road.
The invention also includes exchange intelligent collector, the signal input port for exchanging intelligent collector is connected with TA1, TA2
Detection signal output port be connected with the signal input port of exchange conversion part,
Exchange the signal output port of intelligent collector respectively with the signal input port of the first synchronization detecting section, second synchronous
The signal input port of detection part is connected, the signal input part of the signal output port of the first synchronous test section and the first MCU
Mouth is connected, and the signal output port of the second synchronous test section is connected with the signal input port of the 2nd MCU, the control of the first MCU
Signal output port is connected with the control signal input mouth of the first pulse amplifier part, the control letter of the first pulse amplifier part
Number output port is connected with the gate pole of the first thyristor of control tap changer；
The control signal output mouth of 2nd MCU is connected with the control signal input mouth of the second pulse amplifier part, the second arteries and veins
The control signal output mouth for rushing power amplifier part is connected with the second gate circuit transistor gate of control tap changer；First thyristor cathode
The end L+ is connect by switch QS2, the first thyristor anode is connected with the second thyristor cathode, and the second thyristor anode passes through switch
QS3 connects the end L-.
The invention also includes first passage monitoring, second monitor portion, the first LCD to show that keyboard portion, the 2nd LCD are aobvious
Show keyboard portion, the first communication interface part, the second communication interface part, the first A/D variable part, the 2nd A/D variable part,
The part first switch amount I/O, the part second switch amount I/O, the first MCU are shown with first passage monitor portion, the first LCD respectively
Keyboard portion, the first communication interface part, the first A/D variable part, the part first switch amount I/O are connected；
2nd MCU shows keyboard portion, the second communication interface part, the 2nd A/ with second channel monitor portion, the 2nd LCD respectively
D variable part, the part second switch amount I/O are connected；
First communication interface part, the second communication interface part are connected with machine set PLC monitor portion respectively；First A/D variable portion
Point, the 2nd A/D variable part respectively with the turn on thyristors rate control unit phase on exchange conversion part, the first thyristor cathode
Even；
TA1, TA2 respectively correspond secondary winding star structure part and delta connection structure division.
First pulse amplifier part and the second pulse amplifier part use signal amplifier.
The exchange conversion part uses A/D variable module.Exchange conversion part acquires AC signal and direct current major loop
Signal.
The synchronism of synchronization detecting section detection commutation system.
In Figure 21, TV is voltage transformer, detects busbar voltage.Channel monitoring include external switch amount, analog quantity detection,
Forceful electric power source voltage detecting, pulse detection monitoring, two-node cluster hot backup channel monitoring.
The system that controller is made of digital processing unit, synchronization signal enter processor (MCU) by transformation, pulse letter
It number is exported by processor, the phase sequence of trigger pulse can be set in LCD touch display screen.
Synchronous detection: detecting power grid PT three-phase synchronous signal, in number control device starting work, is guaranteeing to synchronize
Under the frequency signal distortion factor, just start digital triggering pulse, otherwise issues lock-out signal.
Pulse amplifier: the pulse wave signal of output high-power in bandwidth range carries out power setting, gain adjustment, determines
When test.
Channel monitoring: monitoring pulse transmittance process and pulse amplifier tubulose state.To controller Working Status Monitoring, issue
Channels operation normal state signal.When the work of service aisle digital control implement is abnormal or has internal fault, channel failure letter is issued
Number, start alternate channel.
Triggering power supply: to pulse amplifier output be monitored, when voltage fluctuation or be lower than an amplitude when, issue lose triggering electricity
The alarm of source status fault, pulse blocking are simultaneously stopped status signal working properly.
Exchange conversion: being the voltage for mutual inductor being collected power grid, current signal, by being transformed into A/D variable module institute
After the signal format needed, it is input to A/D transformer module.
When transformer secondary voltage is lower than rated value, there is load to adjust to upper end, reduce the first winding of transformer, thus
Achieve the purpose that improve voltage.When transformer secondary voltage is higher than rated value, there is load to adjust to lower end, increase the one of transformer
Secondary winding, to achieve the purpose that reduce voltage.
The micro-capacitance sensor power supply system includes micro-capacitance sensor controller, micro-capacitance sensor controller signals transmission port respectively with photovoltaic
Signal transmission port, the signal transmission port of Active Power Filter-APF, the signal transmission port of energy storage inverter, wind of inverter
Signal transmission port, the signal transmission port of microgrid energy power system of machine inverter are connected,
The microgrid energy power system uses computer.
The micro-capacitance sensor controller includes MCU, DSP, and the signal transmission port of MCU is connected with the signal transmission port of DSP,
The control signal output mouth of MCU is connected with the input port of the first IPM module, the output port and DC/DC of the first IPM module
The control port of module is connected, and the input port of DC/DC module is connected with photovoltaic module, the output port of DC/DC module and the
The input port of one AC/DC module is connected；
The control signal input parallel port of first AC/DC module is connected with the output port of the 2nd IPM module, the 2nd IPM module
Input port connect dsp control signal output port, dsp control signal output port connects the control signal of two-way AC/DC module
Input port be connected, two-way AC/DC module respectively with battery group, the output port of the first AC/DC module, first contactor one
End is connected, the signal input port and the signal output port phase of photovoltaic power generation, wind-power electricity generation load condition sampling module of DSP
Even；
The control signal input mouth of first contactor is connected by relay with the control signal output mouth of DSP, and first connects
The tentaculum other end is connected with the input terminal of AC load, the 2nd AC/DC module respectively, and the output termination of the 2nd AC/DC module is straight
Current load, AC load are given a dinner for a visitor from afar power generator by second contactor, the control signal input mouth of second contactor by after
Electric appliance connects the control signal output mouth of DSP.
The microgrid energy power system includes data Layer, management level and dispatch layer, and data Layer sends out each generator unit
Electrical power and the real-time dynamic acquisition of variation for loading realtime power, acquisition data are sent to management level and do data analysis and optimization, then
The distribution of each unit is carried out by dispatch layer.
Data Layer of the present invention includes information collection part, data management part, status predication part, energy rate prediction section
Divide, Network topology part；Management level include load switching part, system administration part, energy storage administrative section, Load flow calculation
Partially, idle work optimization part, economic optimization part；Dispatch layer include generating set scheduling portion, energy storage management of charging and discharging part,
Load management and scheduling portion.
Microgrid energy power cell Figure 25 energy work rate system of the present invention is by data acquisition, system administration
And electricity consumption scheduling composition.Data acquisition mainly to each generator unit generated output and loads the variation realization of realtime power in real time
Dynamic acquisition, acquisition data are sent to system management layer and do data analysis and optimization, then carry out each unit by system call layer
Distribution, to the full extent guarantee micro-grid system be in optimal economical operation
Figure 24, sampling module sample photovoltaic power generation, wind-power electricity generation and loading condition, send to DSP, by preset excellent
First grade carries out photovoltaic and wind-powered electricity generation switching, and since generated output and bearing power are larger, DSP drives contact by control relay
Device.MCU pass through and DSP embedded scm cross complaint by IPM module (intelligent power module) to photovoltaic power generation direct current output into
Row control.
The invention also includes micro-capacitance sensor battery management system, micro-capacitance sensor battery management system includes host module, slave mould
Block, protection plate module, display module；
Slave module and host module measurement cell voltage and temperature, balancing battery energy；Plate module is protected to carry out SOC meter
It calculates, SOH is calculated, generates alert data；The charge and discharge of host module control protection board count battery pack information, to being
System state is detected, is controlled system mode；Display module shows the data of battery, provides sound-light alarm, record number
According to.
Battery management system provides cell voltage monitoring and alarm, and battery pack temperature monitoring and alarm, battery capacity are balanced.
Battery management system is responsible for monitoring each group series-connected cell unit, different according to battery composition mode, and monitored battery unit can be with
It is a high capacity cell monomer, is also possible to the assembly of multiple Small And Medium Capacity battery parallel connections.Figure 26, main control module pass through
485 bus interface are communicated with acquisition module, and BMS formulates battery by the real-time collection analysis to battery pack data, dynamic
Management strategy controls battery work in suitable work by means such as balanced management, Charge Management, electric discharge management, border controls
Condition.System has external interface abundant, can satisfy the application demand of a variety of occasions, these interfaces include: that voltage acquisition is defeated
Incoming interface, temperature acquisition input interface, host communication interface, slave communicate, select to switch from host address；Protection board has electric current
Sensor interface, temperature sensor interface, battery electrode interface, communication interface.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (9)
1. charge pile group current distribution system, including multiple charging piles, it is characterised in that each charging pile is in parallel, each charging pile electric energy
Input terminal is connected with the output port of high-voltage rectifying unit；
The charging pile includes charging pile control system, and charging pile control system includes controller, semibridge system chopper circuit, sensing
Module, optical coupling isolation circuit, photoelectrical coupler and charging gun electronic lock, the detection signal input port of controller respectively with input
Power supply, the signal transmission port of controller pass through the optical coupling isolation circuit control signal input with power output contactor respectively
User's communication of mouth, the control signal input mouth of indicator light, the control signal input mouth of charging gun electronic lock, charging gun
Mouth, the signal transmission port of touch screen are connected；
The detection signal input port of controller switchs tube temperature with detection semibridge system chopper circuit respectively by photoelectrical coupler
The signal output port of the temperature sensor of degree, the signal output port of the temperature sensor of detection charging gun temperature, CC1 control
The detection signal output port of voltage detecting circuit is connected；
The control signal output mouth of controller is connected with the control signal input mouth of semibridge system chopper circuit.
2. charge pile group current distribution system according to claim 1, it is characterised in that the output of the high-voltage rectifying unit
Port is connected by closing busbar with charging pile electrical energy inputs.
3. charge pile group current distribution system according to claim 1, it is characterised in that the high-voltage rectifying unit uses T1
High-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2), the input terminal and high pressure of T1 high-voltage rectifier bridge (1) and T2 high-voltage rectifier bridge (2)
The output end of rectifier transformer unit is connected；
Or pulse wave rectifier circuit is used, the input terminal of pulse wave rectifier circuit is connected with the output end of high-voltage rectifying transformer unit.
4. charge pile group current distribution system according to claim 3, it is characterised in that the pulse wave rectifier circuit includes two
Pole pipe V7~V12, diode V1~V6, diode V7 anode are connected with 2a winding electric energy output end, diode V8 cathode respectively,
Diode V7 cathode is negative with diode V9 cathode, diode V12 cathode, pulse wave rectifier circuit output anode, diode V1 respectively
Pole, diode V3 cathode, diode V5 cathode are connected；
Diode V8 anode respectively with diode V10 anode, diode V11 anode, diode V2 anode, diode V4 anode,
Diode V6 anode, pulse wave rectifier circuit output cathode are connected；
Diode V10 cathode is connected with 2b winding electric energy output end, diode V9 anode respectively, diode V11 cathode respectively with
2c winding electric energy output end, diode V12 anode are connected；
Diode V1 anode is connected with 3a winding electric energy output end, diode V2 cathode respectively, diode V3 anode respectively with 3b
Winding electric energy output end, diode V4 cathode are connected, and diode V5 anode is negative with 3c winding electric energy output end, diode V6 respectively
Extremely it is connected.
5. charge pile group current distribution system according to claim 3, it is characterised in that the T1 high-voltage rectifier bridge (1) and T2
High-voltage rectifier bridge (2), T1 high-voltage rectifier bridge (1) include L, K, J, I, H, G arm, and T2 high-voltage rectifier bridge (2) includes F, E, D, C, B, A
Arm；L, K arm one terminates 2a winding electric energy output end, another termination negative pole of output end of L arm, another termination output head anode of K arm；
J, I arm one terminates 2b winding electric energy output end, another termination negative pole of output end of J arm, another termination output head anode of I arm；
H, G arm one terminates 2c winding electric energy output end, another termination negative pole of output end of H arm, another termination output head anode of G arm；
F, E arm one terminates 3a winding electric energy output end, another termination negative pole of output end of F arm, another termination output head anode of E arm；
D, C arm one terminates 3b winding electric energy output end, another termination negative pole of output end of D arm, another termination output head anode of C arm；
B, A arm one terminates 3c winding electric energy output end, another termination negative pole of output end of B arm, another termination output head anode of A arm.
6. charge pile group current distribution system according to claim 5, it is characterised in that the L arm is by diode V12-1~2
It is composed in series with fuse FU12-1~2；
K arm is composed in series by diode V11-1~2 and fuse FU11-1~2；
J arm is composed in series by diode V10-1~2 and fuse FU10-1~2；
I arm is composed in series by diode V9-1~2 and fuse FU19-1~2；
H arm is composed in series by diode V8-1~2 and fuse FU8-1~2；
G arm is composed in series by diode V7-1~2 and fuse FU7-1~2；
F arm is composed in series by diode V6-1~2 and fuse FU6-1~2；
E arm is composed in series by diode V5-1~2 and fuse FU5-1~2；
D arm is composed in series by diode V4-1~2 and fuse FU4-1~2；
C arm is composed in series by diode V3-1~2 and fuse FU13-1~2；
B arm is composed in series by diode V2-1~2 and fuse FU2-1~2；
A arm is composed in series by diode V11-1~2 and fuse FU1-1~2.
7. charge pile group current distribution system according to claim 1, it is characterised in that the high-voltage rectifying unit further includes
Commutation spike absorbs Zapping circuit, and commutation spike absorbs Zapping circuit and is connected with the arm of high-voltage rectifier bridge.
8. charge pile group current distribution system according to claim 5, it is characterised in that the commutation spike connecting with K arm is inhaled
Receiving Zapping circuit includes resistance R11, the one end resistance R11 respectively with K arm, diode V11-3 anode, diode V11-2 anode, two
Pole pipe V11-1 anode is connected, and the resistance R11 other end passes sequentially through capacitor C11, fuse FU21 connects the end L+, fuse FU21's
Signal output end connects the detection signal input port of PLC CPU control unit；
Diode V11-3 cathode connects the end L+ by fuse FU11-3, and diode V11-2 cathode meets L+ by fuse FU11-2
End, diode V11-31 cathode connect the end L+ by fuse FU11-1；
The fuse FU11-3 signal output end detection signal with the one end resistance R81-3, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The fuse FU11-2 signal output end detection signal with the one end resistance R81-2, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
The fuse FU11-1 signal output end detection signal with the one end resistance R81-1, fast molten fusing alarm trip unit respectively
Input port is connected, and resistance R81-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
9. charge pile group current distribution system according to claim 5, it is characterised in that the commutation spike connecting with A arm is inhaled
Receiving Zapping circuit includes resistance R1, the one end resistance R1 respectively with A arm, diode V1-3 anode, diode V1-2 anode, diode
V1-1 anode is connected, and the resistance R1 other end passes sequentially through capacitor C1, fuse FU21 connects the end L+, the signal output of fuse FU21
Terminate the detection signal input port of PLC CPU control unit；
Diode V1-3 cathode connects the end L+ by fuse FU1-3, diode V1-2 cathode by fuse FU1-2 connect the end L+,
Diode V1-31 cathode connects the end L+ by fuse FU1-1；
Fuse FU1-3 signal output end is defeated with the detection signal of the one end resistance R71-3, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-3 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Fuse FU1-2 signal output end is defeated with the detection signal of the one end resistance R71-2, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-2 mono- terminates the detection signal input port of fast fusing alarm trip unit；
Fuse FU1-1 signal output end is defeated with the detection signal of the one end resistance R71-1, fast fusing alarm trip unit respectively
Inbound port is connected, and resistance R71-1 mono- terminates the detection signal input port of fast fusing alarm trip unit.
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