CN109962487A - A kind of energy-storage battery group high-voltage control circuit and control cabinet - Google Patents
A kind of energy-storage battery group high-voltage control circuit and control cabinet Download PDFInfo
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- CN109962487A CN109962487A CN201910212947.1A CN201910212947A CN109962487A CN 109962487 A CN109962487 A CN 109962487A CN 201910212947 A CN201910212947 A CN 201910212947A CN 109962487 A CN109962487 A CN 109962487A
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- interface
- contactor
- battery
- battery pack
- preliminary filling
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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
Abstract
The invention discloses a kind of energy-storage battery group high-voltage control circuit and control cabinet, high-voltage control circuit includes charge-discharge circuit, with the concatenated breaker of charge-discharge circuit, battery pack control module；Control cabinet includes cabinet, first communication and the power interface in the cabinet front plate upper left corner are set, battery electrode interface on the right side of the cabinet front plate is set, battery anode interface, breaker, PCS cathode interface and PCS anode interface, second communication and the power interface in the cabinet front plate upper right corner are set, battery pack control module on the left of the box house is set, it is arranged in box house forward right side, on the right side of master control, cathode contact device in inner support panels, it is arranged on the right side of cathode contact device, current divider in inner support panels, it is arranged on rear side of current divider, fuse in inner support panels, it is arranged in box house right lateral side, positive contactor and preliminary filling contactor on rear side of fuse, it is arranged on rear side of box house, preliminary filling resistance on rear side of positive contactor.
Description
Technical field
The present invention relates to battery energy storage technical fields, and in particular to a kind of energy-storage battery group high-voltage control circuit and control
Case.
Background technique
With the gradually expansion of the clean energy resourcies such as photovoltaic, wind energy power generation scale, while battery technology is also being constantly progressive, and is made
The development and application for obtaining new energy battery energy storage technology is developed rapidly.Current battery energy storage technology has been generalized to electric energy
It is defeated, send out, match, with each link, be widely used in the fields such as peak load regulation network, frequency modulation, micro-capacitance sensor, user side energy storage.
High voltage control case is that the safe and reliable operation of energy-storage battery group provides safeguard, and major function includes: offer battery
The safe and reliable charge and discharge electric loop of group；Voltage, electric current, electric loop state, the battery insulation electricity of real-time detection battery pack
Resistance and environment temperature；Accurately control the open or closed of each electric loop in time as needed.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of energy-storage battery group high-voltage control circuit and control cabinet, controls
Battery pack is charged and discharged, and implements protection when battery pack occurs abnormal.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of high-voltage control circuit, comprising:
Charge-discharge circuit, with the concatenated breaker of the charge-discharge circuit, battery pack control module；
Charge-discharge circuit includes the positive branch and cathode branch being arranged in parallel；
Positive branch includes positive contactor and fuse, and the input terminal access PCS DC side of positive contactor is positive, and anode connects
The output end of tentaculum accesses battery anode,
Positive the first high-voltage end of contactor high-pressure section connects the first output end of breaker, and positive contactor high-pressure section second is high
Press bond fuse first end；Positive contactor low-pressure section is used to access the first control terminal of battery pack control module,
It is parallel with preliminary filling circuit at the positive contactor both ends, preliminary filling circuit includes preliminary filling contactor and preliminary filling resistance, preliminary filling
The first high-voltage end of high-pressure section of contactor connects breaker, and second high-pressure side connects preliminary filling resistance first end；Preliminary filling contactor
Low-pressure section for accessing battery pack control module third control terminal；Preliminary filling resistance first end connection preliminary filling contactor, second
End connection fuse；
Cathode branch includes cathode contact device and current divider, and the input terminal of cathode contact device accesses battery electrode, cathode contact
The output end of device accesses PCS DC side cathode,
Cathode contact device high-pressure section first end connects breaker second output terminal, the connection of cathode contact device high-pressure section second end
Current divider anode；Cathode contact device low-pressure section is for accessing the second control terminal of battery pack control module.
Battery pack control module includes controller and the parameter detecting unit being electrically connected with the controller, control list
Member, communication unit and power supply unit,
Parameter detecting unit detects battery voltage, charging and discharging currents and environment temperature simulation amount, detection by detection interface
Interface includes battery voltage detection interface, current detecting interface, temperature detection interface, and battery voltage detects interface and anode
Contactor second high-pressure side is connected with current divider negative terminal, and current detecting interface is respectively connected with the positive and negative end of current divider, temperature detection
Interface is connected with temperature sensor,
Control unit detects contactor state, issues analog signal according to control instruction, controls all contactors and disconnects and be closed,
It is the execution structure of control command,
Communication unit connects controller and external module,
Power supply unit is battery pack control module power supply, power supply unit input terminal access system power bus, power supply unit output
End connection controller,
Control unit have input interface DI1, input interface DI2, output interface DO1, output interface DO2, output interface DO3,
The feedback circuit output of positive contactor KM1 is connect with battery pack control module DI1, the low-pressure section of positive contactor KM1
Input terminal is connect with battery pack control module DO1；The feedback circuit output and battery pack control module of cathode contact device KM2
The low-voltage circuit input terminal of DI2 connection, cathode contact device KM2 is connect with battery pack control module DO2；Preliminary filling contactor KM3's
Low-voltage circuit input terminal is connect with battery pack control module DO3.
Including cabinet, the first communication and the power interface in the cabinet front plate upper left corner are set, are arranged in the cabinet front plate
Battery electrode interface, battery anode interface, breaker, PCS cathode interface and the PCS anode interface on right side, setting exist
Second communication in the cabinet front plate upper right corner and power interface, are arranged in the battery pack control module on the left of the box house, if
The cathode contact device on the right side of box house forward right side, master control, in inner support panels is set, is arranged on the right side of cathode contact device, is interior
Current divider in portion's support plate is arranged on rear side of current divider, the fuse in inner support panels, and setting is after box house is right
Positive contactor and preliminary filling contactor on rear side of side, fuse are arranged on rear side of box house, are on rear side of positive contactor pre-
Charging resistance.
Battery electrode interface is used to connect the cathode of battery pack and the negative terminal of current divider；Battery anode interface is for connecting
Connect the second end of the anode and fuse of battery pack；PCS cathode interface is used to connect the DC side negative pole end and breaker of PCS
Second end；PCS anode interface is used to connect the DC side positive terminal and positive contactor of PCS；First communication and power interface are used
The single battery monitoring module in connection battery pack control module and BMS communicates the voltage for obtaining single battery, temperature with the module
Spend information；Second communication and power interface for connecting battery pile monitoring system in battery pack control module and BMS, by monomer and
Voltage, electric current and the environment temperature of battery pack are sent to upper level system, and receive its instruction.
Cathode contact device is arranged in parallel with current divider；Positive contactor is arranged in parallel with preliminary filling contactor；Current divider negative terminal
It is corresponding with the position of battery electrode interface；Fuse is corresponding with the position of battery anode interface, with cathode contact device and point
The line for flowing device is vertical, and is located at positive contactor forward right side；Positive contactor is corresponding with cathode contact device front-rear position, and and
The line of preliminary filling contactor is perpendicular to fuse；Preliminary filling resistance is parallel with cabinet back side panel, and is located at rear side central location.
It is provided with grid hole on the left side plate of cabinet, for divulging information, radiating；Front panel is provided with breaker accommodating hole,
For being exposed at the operation handle of breaker outside cabinet.
Box house battery anode interface, fuse, positive contactor, preliminary filling contactor, breaker and PCS anode connect
Mouth is all connected with copper bar；Box house battery electrode interface, current divider, cathode contact device, breaker and PCS cathode interface are same
Sample is all connected with copper bar；Battery pack control module, positive contactor, cathode contact device, preliminary filling contactor, current divider, first are led to
Letter and power interface and the second communication and power interface, are all connected with copper core cable, and install wire casing additional and fix.
The beneficial effects of the present invention are:
1, energy-storage system high-voltage control circuit and control cabinet, battery charging circuit and discharge circuit are combined into one, and pass through electricity
Pond group control module and D.C. contactor control, structure is simple, at low cost, good reliability.
, the high-voltage control circuit and control cabinet it is versatile, can be applied to different type battery pack, different topology structure
Energy-storage system.
, the invention has the advantages that provide a kind of high-voltage control circuit and high voltage control case for energy-storage battery group charge and discharge,
The parameters such as battery voltage, electric current, environment temperature can not only be acquired, moreover it is possible to which real-time control circuit disconnects and closure, it is ensured that battery
Group safety；
4, the high-voltage control circuit and high voltage control box structure are simple, versatile, can be used for multiple groups batteries in parallel connection and concentrate control
System, can be used for single group battery independent control, moreover it is possible to the battery pack applied to different type battery composition.
Detailed description of the invention
1 high-voltage control circuit electrical connection diagram of attached drawing；
2 battery pack control module control principle drawing of attached drawing；
3 high voltage control case installation diagram of attached drawing；
4 high voltage control case interior layout figure of attached drawing；
5 high voltage control case of attached drawing removes top plate installation diagram.
In figure: 1- cabinet；The communication of 2- first and power interface；3- battery electrode interface；4- battery anode interface；5-
Breaker；6- PCS cathode interface；7- PCS anode interface；The communication of 8- second and power interface；9- battery pack control module；
10- cathode contact device；11- current divider；12- fuse；13- anode contactor；14- preliminary filling contactor；15- preliminary filling resistance；16-
Grid hole；17- breaker accommodating hole；18,19,20,21- anode branch connecting copper bar；22,23,24, the connection of 25- cathode branch
Copper bar；26- wire casing.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
It is to be appreciated that "center", " longitudinal direction ", " transverse direction ", " upper end ", " lower end ", "front", "rear", "left", "right",
The term of the orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside", in description of the invention
In, it is to be based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, appearance as " peace
Dress ", " connected ", " connection " term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.For the ordinary skill in the art, concrete condition can be passed through
Understand the concrete meaning of above-mentioned term in the present invention.
A kind of high-voltage control circuit, including charge-discharge circuit, battery pack control module and control circuit.
Charge-discharge circuit is made of positive branch and cathode branch, and electrical connection diagram is shown in Fig. 1；Battery pack control module has
Acquisition Circuit element simulation signal and control charge-discharge circuit switch on and off function；Control circuit is mainly by Acquisition Circuit, anti-
Current feed circuit and control loop composition.
Circuit breaker Q F connects as hand control switch accesses charge-discharge circuit, and first input end connects energy accumulation current converter
(PCS) DC side anode PCS+, the second input terminal connect PCS DC side cathode PCS-, and the first output end connects positive contactor
The first high-voltage end of KM1, second output terminal connect the first high-voltage end of cathode contact device KM2.
Positive branch mainly includes circuit breaker Q F, anode contactor KM1 and fuse FU, and input terminal accesses PCS DC side
Positive PCS+, output end access battery anode BAT+.
(1) anode contactor KM1 the first high-voltage end of high-pressure section connects the first output end of circuit breaker Q F, and second high-pressure side connects
Connect fuse FU first end；Low-pressure section accesses the first control terminal of battery pack control module；Positive contactor KM1 is small with low pressure
The electrical component of current control high-voltage great-current has the function of feed circuit on off operating mode, be control positive branch disconnect and
The key element of closure.
(2) in the both ends positive contactor KM1 also parallel connection preliminary filling circuit, including preliminary filling contactor KM3 and preliminary filling resistance R1.
The first high-voltage end of high-pressure section of preliminary filling contactor KM3 connects the first output end of circuit breaker Q F, second high-pressure side connection precharge
Hinder R1 first end；The low-pressure section of preliminary filling contactor KM3 accesses battery pack control module third control terminal；Preliminary filling resistance R1 first
End connection preliminary filling contactor, second end connect fuse FU.
Preliminary filling contact ` device KM3 closure is first reclosed into positive contactor KM1, then before being closed positive contactor KM1
Disconnect preliminary filling contactor KM3.The effect of precharging circuit current limiting, allow by current value be far below positive contactor KM1, thus
Positive contactor KM1 is protected to damage from heavy current impact.Preliminary filling resistance R1 cannot work long hours, otherwise can be because of temperature mistake
It is high and damage, and then lose the effect of protection anode contactor KM1.
(3) fuse FU first end connects positive contactor KM1 second high-pressure side, and second end connects battery anode BAT
+；When electric current is more than limitation, the positive branch of the timely automated disconnection of fuse FU, prevents electric current is excessive from burning other circuit elements.
Cathode branch mainly includes circuit breaker Q F, cathode contact device KM2 and current divider FL, and input terminal accesses battery electrode
BAT-, output end access PCS DC side cathode PCS-.
(1) cathode contact device KM2 high-pressure section first end connects circuit breaker Q F second output terminal, and second end connects current divider
FL anode；Low-pressure section accesses the second control terminal of battery pack control module；It is the electricity with low pressure Small current control high-voltage great-current
Gas element has the function of that feed circuit on off operating mode, cathode contact device KM2 are the control opening and closing of keys of cathode branch
Element.
(2) current divider FL anode connects cathode contact device KM2 second high-pressure side, and negative terminal connects battery electrode BAT-, energy
Electric current in precise acquisition charge-discharge circuit is assessed for battery state.
Battery pack control module
Battery pack control module control principle drawing is shown in Fig. 2, including controller, parameter detecting unit, control unit, communication unit,
Power supply unit, detection interface and input/output interface.
(1) controller is the core of battery pack control module, be mainly responsible for conversion and calculating parameter detection unit acquisition
Analog quantity, processing control signal and communicate with external module.
(2) parameter detecting unit detects battery voltage, charging and discharging currents and environment temperature by detecting interface respectively
Analog quantity, battery voltage detect interface and are connected with positive contactor KM1 second high-pressure side and current divider FL negative terminal, current detecting
Interface is respectively connected with the positive and negative end current divider FL, and temperature detection interface is connected with temperature sensor.
(3) control unit detects contactor KM1, KM2 and KM3 state by input interface, according to control instruction from output
Interface issues analog signal, controls all contactors and disconnects and be closed, is the execution structure of control command.
(4) communication unit connection controller and external module realize that mutually transmission acquisition data and control refer to the two in real time
It enables.
(5) power supply unit is responsible for battery pack control module power supply, and input terminal access system power bus, output end is should
The power supply of other units of module.
Control circuit
Control circuit is the circuit for connecting battery pack control module and each contactor, is mainly connect by battery pack control module input
Mouth DI1, DI2, the control circuit of output interface DO1, DO2, DO3, the feed circuit of contactor, contactor form, and pass through low pressure
Dc power controls high voltage direct current power.
The feedback circuit output of positive contactor KM1 is connect with battery pack control module DI1, positive contactor KM1's
Low-voltage circuit input terminal is connect with battery pack control module DO1；The feedback circuit output of cathode contact device KM2 and battery pack control
The DI2 connection of molding block, the low-voltage circuit input terminal of cathode contact device KM2 are connect with battery pack control module DO2；Preliminary filling contactor
The low-voltage circuit input terminal of KM3 is connect with battery pack control module DO3.
High voltage control case has also been devised in the present invention, specifically:
High voltage control case uses above-mentioned high-voltage control circuit, sees high voltage control case installation diagram 3, Fig. 4 and Fig. 5, high voltage control luggage
Cabinet 1 is included, the first communication and the power interface 2 in the cabinet front plate upper left corner are set, are successively set on the cabinet from left to right
Battery electrode interface 3, battery anode interface 4, breaker 5, PCS cathode interface 6 and PCS anode interface on the right side of foreboard
7, the second communication and the power interface 8 in the cabinet front plate upper right corner are set, the battery pack control on the left of the box house is set
Molding block 9, be arranged in box house forward right side, on the right side of master control, the cathode contact device 10 in inner support panels, setting connects in cathode
Current divider 11 on the right side of tentaculum, in inner support panels, is arranged on rear side of current divider, the fuse 12 in inner support panels, is arranged
Positive contactor 13 and preliminary filling contactor 14 on rear side of box house right lateral side, fuse, be arranged on rear side of box house,
Preliminary filling resistance 15 on rear side of positive contactor.
Battery electrode interface 3 is used to connect the cathode of battery pack and the negative terminal of current divider 11；Battery anode interface 4 is used
In the second end of the anode and fuse 12 of connection battery pack；PCS cathode interface 6 be used to connect the DC side negative pole end of PCS with
The second end of breaker 5；PCS anode interface 7 is used to connect the DC side positive terminal and positive contactor 13 of PCS；First communication
With power interface 2 for connecting single battery monitoring module in battery pack control module 9 and BMS, it is single that acquisition is communicated with the module
Voltage, the temperature information of body battery；Second communication and power interface 8 are for connecting battery pile in battery pack control module 9 and BMS
Monomer and the voltage of battery pack, electric current and environment temperature are sent to upper level system, and receive its instruction by monitoring system.
Cathode contact device 10 is arranged in parallel with current divider 11；Positive contactor 13 is arranged in parallel with preliminary filling contactor 14；Point
It is corresponding with the position of battery electrode interface 3 to flow 11 negative terminal of device；Fuse 12 is corresponding with the position of battery anode interface 4, with
Cathode contact device 10 is vertical with the line of current divider 11, and is located at 13 forward right side of positive contactor；Positive contactor 13 and cathode
10 front-rear position of contactor is corresponding, and with the line of preliminary filling contactor 14 perpendicular to fuse 12；After preliminary filling resistance 15 and cabinet 1
Side plate is parallel, and is located at rear side central location.
Grid hole 16 is provided on the left side plate of cabinet 1, for divulging information, radiating；Front panel is provided with breaker accommodating
Hole 17, for being exposed at the operation handle of breaker outside cabinet.
High voltage control case internal battery anode interface 4 is connect with the copper bar 18 of fuse 12, positive contactor 13, fusing
Device 12 is connect with the copper bar 19 of preliminary filling contactor 14, and positive contactor 13 is connect with the copper bar 20 of breaker 5, breaker 5 and PCS
Anode interface 7 is connected with copper bar 21；Box house battery electrode interface 3 is connect with the copper bar 22 of current divider 11, current divider 11
It is connect with the copper bar 23 of cathode contact device 10, cathode contact device 10 is connect with the copper bar 24 of breaker 5, breaker 5 and PCS cathode
Interface 6 is connected with copper bar 25；Battery pack control module 9, cathode contact device 10, preliminary filling contactor 14, shunts positive contactor 13
Connecting cable between the communication of device 11, first and power interface 2 and the second communication and power interface 8, it is fixed to install wire casing 26 additional.
Embodiment:
According to system topology difference, following two control mode can be divided into.
(1) battery system is that multiple groups battery is in parallel
By taking total voltage 672V, total capacity 250kWh ferric phosphate lithium cell energy-storage system as an example, battery serial number is 210 strings, battery
Group is in parallel for 4 groups.Every at this time group of battery need to be equipped with high voltage control case, acquire battery voltage, and range is 0~1000V；Acquisition electricity
Pond group electric current, range are 0~200A, configure 250A fuse.If configuration system operating voltage range is 525V~765V, electric current
Working range is 0~150A, and environment temperature working range is -20 DEG C~45 DEG C, then battery voltage, electric current, environment temperature are super
Above range is crossed, then battery pack control module will disconnect positive contactor and cathode contact device in time, and protection battery pack is endangered
Danger, and then improve security of system.If main circuit occur short circuit, fuse will due to overcurrent disconnecting circuit.
(2) battery system is single group series connection
By taking total voltage 668V, total capacity 800kWh lead carbon battery energy-storage system as an example, battery serial number is 334 strings, and battery pack is
Single group series connection.Every at this time group of battery need to be equipped with high voltage control case, acquire battery voltage, and range is 0~1000V；Acquire battery
Group electric current, range are 0~600A, configure 650A fuse.If configuration system operating voltage range is 617V~784V, electric current work
Making range is 0~500A, and environment temperature working range is 0 DEG C~40 DEG C, then battery voltage, electric current, environment temperature are more than upper
State range, then battery pack control module will disconnect positive contactor and cathode contact device in time, and protection battery pack is caused danger, into
And improve security of system.If main circuit occur short circuit, fuse will due to overcurrent disconnecting circuit.
For those skilled in the art, technical solution documented by foregoing embodiments can still be repaired
Change or equivalent replacement of some of the technical features, it is all within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of high-voltage control circuit characterized by comprising charge-discharge circuit, with the concatenated open circuit of the charge-discharge circuit
Device, battery pack control module；
Charge-discharge circuit includes the positive branch and cathode branch being arranged in parallel；
Positive branch includes positive contactor and fuse, and the input terminal access PCS DC side of positive contactor is positive, and anode connects
The output end of tentaculum accesses battery anode,
Positive the first high-voltage end of contactor high-pressure section connects the first output end of breaker, and positive contactor high-pressure section second is high
Press bond fuse first end；Positive contactor low-pressure section is used to access the first control terminal of battery pack control module,
It is parallel with preliminary filling circuit at the positive contactor both ends, preliminary filling circuit includes preliminary filling contactor and preliminary filling resistance, preliminary filling
The first high-voltage end of high-pressure section of contactor connects breaker, and second high-pressure side connects preliminary filling resistance first end；Preliminary filling contactor
Low-pressure section for accessing battery pack control module third control terminal；Preliminary filling resistance first end connection preliminary filling contactor, second
End connection fuse；
Cathode branch includes cathode contact device and current divider, and the input terminal of cathode contact device accesses battery electrode, cathode contact
The output end of device accesses PCS DC side cathode,
Cathode contact device high-pressure section first end connects breaker second output terminal, the connection of cathode contact device high-pressure section second end
Current divider anode；Cathode contact device low-pressure section is for accessing the second control terminal of battery pack control module.
2. high-voltage control circuit as described in claim 1, which is characterized in that battery pack control module include controller and with
Parameter detecting unit, control unit, communication unit and the power supply unit that the controller is electrically connected,
Parameter detecting unit detects battery voltage, charging and discharging currents and environment temperature simulation amount, detection by detection interface
Interface includes battery voltage detection interface, current detecting interface, temperature detection interface, and battery voltage detects interface and anode
Contactor second high-pressure side is connected with current divider negative terminal, and current detecting interface is respectively connected with the positive and negative end of current divider, temperature detection
Interface is connected with temperature sensor,
Control unit detects contactor state, issues analog signal according to control instruction, controls all contactors and disconnects and be closed,
It is the execution structure of control command,
Communication unit connects controller and external module,
Power supply unit is battery pack control module power supply, power supply unit input terminal access system power bus, power supply unit output
End connection controller,
Control unit have input interface DI1, input interface DI2, output interface DO1, output interface DO2, output interface DO3,
The feedback circuit output of positive contactor KM1 is connect with battery pack control module DI1, the low-pressure section of positive contactor KM1
Input terminal is connect with battery pack control module DO1；The feedback circuit output and battery pack control module of cathode contact device KM2
The low-voltage circuit input terminal of DI2 connection, cathode contact device KM2 is connect with battery pack control module DO2；Preliminary filling contactor KM3's
Low-voltage circuit input terminal is connect with battery pack control module DO3.
3. a kind of high voltage control case using high-voltage control circuit of any of claims 1 or 2, which is characterized in that including cabinet,
First communication and the power interface in the cabinet front plate upper left corner are set, the battery electrode on the right side of the cabinet front plate is set and is connect
The of the cabinet front plate upper right corner is arranged in mouth, battery anode interface, breaker, PCS cathode interface and PCS anode interface
Two communications and power interface, are arranged in the battery pack control module on the left of the box house, setting box house forward right side,
Cathode contact device on the right side of master control, in inner support panels, is arranged on the right side of cathode contact device, the current divider in inner support panels,
It is arranged on rear side of current divider, the fuse in inner support panels, box house right lateral side is set, the anode on rear side of fuse connects
Tentaculum and preliminary filling contactor are arranged on rear side of box house, the preliminary filling resistance on rear side of positive contactor.
4. high voltage control case as claimed in claim 3, which is characterized in that battery electrode interface is used to connect the negative of battery pack
The negative terminal of pole and current divider；Battery anode interface is used to connect the second end of the anode and fuse of battery pack；PCS cathode connects
Mouth is for connecting the DC side negative pole end of PCS and the second end of breaker；PCS anode interface is being used to connect the DC side of PCS just
Extremely with positive contactor；First communication and power interface are monitored for connecting single battery in battery pack control module and BMS
Module communicates voltage, the temperature information for obtaining single battery with the module；Second communication and power interface are for connecting battery pack
Control module and battery pile monitoring system in BMS, are sent to upper one for monomer and the voltage of battery pack, electric current and environment temperature
Grade system, and receive its instruction.
5. high voltage control case as claimed in claim 3, which is characterized in that cathode contact device is arranged in parallel with current divider；Anode
Contactor is arranged in parallel with preliminary filling contactor；Current divider negative terminal is corresponding with the position of battery electrode interface；Fuse and battery
The position of group anode interface is corresponding, vertical with the line of cathode contact device and current divider, and is located at positive contactor forward right side；Just
Pole contactor is corresponding with cathode contact device front-rear position, and with the line of preliminary filling contactor perpendicular to fuse；Preliminary filling resistance with
Cabinet back side panel is parallel, and is located at rear side central location.
6. high voltage control case as claimed in claim 3, which is characterized in that be provided with grid hole on the left side plate of cabinet, use
In ventilation, heat dissipation；Front panel is provided with breaker accommodating hole, for being exposed at the operation handle of breaker outside cabinet.
7. high voltage control case as claimed in claim 3, which is characterized in that box house battery anode interface, fuse, just
Pole contactor, preliminary filling contactor, breaker are all connected with copper bar with PCS anode interface；Box house battery electrode interface divides
Stream device, cathode contact device, breaker are equally all connected with copper bar with PCS cathode interface；Battery pack control module, anode contact
Device, cathode contact device, preliminary filling contactor, current divider, the first communication and power interface and the second communication and power interface, all use copper
Core cable connection, and install wire casing additional and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212947.1A CN109962487A (en) | 2019-03-20 | 2019-03-20 | A kind of energy-storage battery group high-voltage control circuit and control cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212947.1A CN109962487A (en) | 2019-03-20 | 2019-03-20 | A kind of energy-storage battery group high-voltage control circuit and control cabinet |
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| CN109962487A true CN109962487A (en) | 2019-07-02 |
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| CN201910212947.1A Pending CN109962487A (en) | 2019-03-20 | 2019-03-20 | A kind of energy-storage battery group high-voltage control circuit and control cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130167A (en) * | 2019-11-27 | 2020-05-08 | 深圳国氢新能源科技有限公司 | Voltage conversion apparatus for hydrogen fuel cell |
| CN112398193A (en) * | 2020-10-21 | 2021-02-23 | 湖北亿纬动力有限公司 | Battery system protection circuit and charging and discharging method |
-
2019
- 2019-03-20 CN CN201910212947.1A patent/CN109962487A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130167A (en) * | 2019-11-27 | 2020-05-08 | 深圳国氢新能源科技有限公司 | Voltage conversion apparatus for hydrogen fuel cell |
| CN112398193A (en) * | 2020-10-21 | 2021-02-23 | 湖北亿纬动力有限公司 | Battery system protection circuit and charging and discharging method |
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