CN108891263A - A kind of high-voltage control circuit and high voltage control case - Google Patents
A kind of high-voltage control circuit and high voltage control case Download PDFInfo
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- CN108891263A CN108891263A CN201810682848.5A CN201810682848A CN108891263A CN 108891263 A CN108891263 A CN 108891263A CN 201810682848 A CN201810682848 A CN 201810682848A CN 108891263 A CN108891263 A CN 108891263A
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- 238000005516 engineering process Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 8
- 101000903594 Haloarcula argentinensis Cruxhalorhodopsin-1 Proteins 0.000 description 5
- XZSSBMSSPYZGBW-UHFFFAOYSA-N n'-octylpentanediamide Chemical compound CCCCCCCCNC(=O)CCCC(N)=O XZSSBMSSPYZGBW-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
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- 238000012986 modification Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of high-voltage control circuit, including BMS master control, at least charge circuit and at least discharge loop all the way all the way；The charge circuit includes charging anode interface, charging cathode interface, charging positive switch and/or charging negative switch, battery case anode interface and battery case cathode interface；The discharge loop includes battery case anode interface, battery case cathode interface, electric discharge anode interface, electric discharge cathode interface, electric discharge negative switch and/or electric discharge positive switch；One end of the charging positive switch is connect with the charging anode interface, and the other end is connect with the battery case anode interface；One end of the charging negative switch is connect with the charging cathode interface, and the other end is connect with the battery case cathode interface；One end of the electric discharge negative switch is connect with the battery case cathode interface, and the other end is connect with the electric discharge cathode interface；The invention also discloses a kind of high voltage control casees.
Description
Technical field
The present invention relates to technical field of energy storage, and in particular to a kind of high-voltage control circuit and high voltage control case.
Background technique
In recent years, due to the problem of environmental pollution that is non-renewable, and being on the rise of traditional energy, so that new energy
The development and application of source technology has obtained quick development, and wherein application of the power battery in terms of new-energy automobile is especially prominent
Out.Wherein, high-voltaghe compartment is that power battery safe and reliable operation provides safeguard, and major function includes：Offer is safely and reliably filled
Electricity, electric discharge electric loop；Real-time monitoring cell voltage, discharge voltage, charging voltage, charging current, discharge current, battery and
Electric loop running temperature；Accurately control the open or closed of each electric loop in time as needed.
Summary of the invention
The first purpose of this invention is intended to provide a kind of high-voltage control circuit.
In order to realize the first purpose of this invention, this invention takes the following technical solutions：
A kind of high-voltage control circuit, including BMS master control, at least charge circuit and at least discharge loop all the way all the way；Institute
Stating charge circuit includes charging anode interface, charging cathode interface, charging positive switch and/or charging negative switch, battery case
Anode interface and battery case cathode interface；The discharge loop includes battery case anode interface, battery case cathode interface, electric discharge
Anode interface, electric discharge cathode interface, electric discharge negative switch and/or electric discharge positive switch；It is described charging positive switch one end with
The charging anode interface connection, the other end are connect with the battery case anode interface, and/or, the charging negative switch
One end is connect with the charging cathode interface, and the other end is connect with the battery case cathode interface；The electric discharge negative switch
One end is connect with the battery case cathode interface, and the other end is connect with the electric discharge cathode interface, and/or, the electric discharge anode
One end of switch is connect with the battery case anode interface, and the other end is connect with the electric discharge anode interface；The BMS master control is used
It is positive in controlling the charging according to the charging voltage of the battery pack, discharge voltage, charging current, discharge current and temperature
Switch and/or the discharge switch, and, the on-off of the electric discharge negative switch and/or the electric discharge positive switch.
Further, the high-voltage control circuit further includes service switch；The service switch include first interface and
Second interface；The first interface is connect with the charging anode interface and the electric discharge anode interface；The second interface
It is connect with the battery case anode interface.
Further, the high-voltage control circuit includes the first charge circuit and the second charge circuit；Described first fills
Electrical circuit is opened including the first charging anode interface, the first charging cathode interface, the first charging positive switch, the first charging cathode
Pass, battery case anode interface and battery case cathode interface；Second charge circuit includes the second charging anode interface, second
Charging cathode interface, the second charging positive switch, the second charging negative switch, battery case anode interface and battery case cathode connect
Mouthful；
The first charging anode interface is connect with one end of the first charging positive switch；The first charging anode
The other end of switch is connect with the first interface of the service switch；The second interface of the service switch and the battery case are just
The connection of pole interface；The first charging cathode interface is connect with the first charging negative switch；The first charging cathode is opened
The other end of pass is connect with the battery case cathode interface；The second charging anode interface and the second charging positive switch
One end connection；The other end of the second charging positive switch is connect with the first port of the service switch；The maintenance
The first port of switch is connect with the battery case anode interface；The second charging cathode interface and the second charging cathode
One end of switch connects；The other end of the second charging negative switch is connect with the battery case cathode interface.
Further, the BMS is using this master control management module of the BMU06-I-12V-400V of section's column technology production；Institute
Stating BMS master control includes the first submodule, second submodule, third submodule and the 4th submodule；The first charging anode
Switch, the first charging negative switch, the second charging positive switch, the second charging negative switch and discharge switch be high pressure after
Electric appliance；The first charging positive switch, the first charging negative switch, the second charging positive switch, the second charging negative switch
And discharge switch includes the first ancillary coil port, the second ancillary coil port, the first control port, the second control terminal
Mouth, the first grounding ports and the second grounding ports；
First ancillary coil port of the first charging positive switch is connect with the first charging anode interface, and second
Ancillary coil port is connect with the first interface of the service switch, the third submodule of the first control port and the BMS master control
The pin 36 of block connects, and the second control port is connect with the pin 14 of the third submodule of the BMS master control, the first grounding ports
It is grounded with the second grounding ports；First ancillary coil port of the first charging negative switch and the battery case cathode interface
Connection, the second ancillary coil port are connect with the first charging cathode interface, and the of the first control port and the BMS master control
The pin 34 of three submodules connects, and the second control port is connect with the pin 12 of the third submodule of the BMS master control, and first connects
Ground port and the second grounding ports are grounded；
First ancillary coil port of the second charging positive switch is connect with the second charging anode interface, and second
Ancillary coil port is connect with the first interface of the service switch, the third submodule of the first control port and the BMS master control
The pin 35 of block connects, and the second control port is connect with the pin 13 of the third submodule of the BMS master control, the first grounding ports
It is grounded with the second grounding ports；First ancillary coil port of the second charging negative switch and the battery case cathode interface
Connection, the second ancillary coil port are connect with the charging cathode interface, third of the first control port and the BMS master control
The pin 33 of module connects, and the second control port is connect with the pin 11 of the third submodule of the BMS master control, the first ground terminal
Mouth is grounded with the second grounding ports；
First ancillary coil port of the electric discharge negative switch is connect with the electric discharge cathode interface, the second ancillary coil
Port is connect with the battery case cathode interface, and the pin 10 of the third submodule of the second control port and the BMS master control connects
It connects, the first grounding ports ground connection.
Further, the high-voltage control circuit further includes current divider；One end of the current divider and the battery case are negative
The connection of pole interface, the other end are connect with the first charging cathode interface, the second charging cathode interface and electric discharge cathode interface；
One voltage output end of the current divider is connect with the pin 3 of the 4th submodule of the BMS master control, another voltage output
End is connect with the pin 9 of the 4th submodule of the BMS master control and pin 10；The BMS master control is by acquiring the shunting
The voltage at device both ends detects the charging current and discharge current of the battery case according to the principle of electric resistance partial pressure.
Further, the high level CAN interface of the pin 7 of the first submodule of the BMS master control and internal communication module
Connection；The pin 23 of first submodule of the BMS master control is connect with the low level CAN interface of internal communication module；The BMS
The pin 14 and pin 6 of the second submodule of the master control positive interface with the first via temperature sensor of temperature feedback module respectively
And negative interface connection；The pin 13 and pin 5 of the second submodule of the BMS master control respectively with temperature feedback module
The positive interface of No. two temperature sensors and the connection of negative interface；The pin 12 and pin 4 of the second submodule of the BMS master control
It is connect respectively with the positive interface of the third road temperature sensor of temperature feedback module and negative interface；The second of the BMS master control
The pin 11 and pin 3 of the submodule positive interface and negative interface with No. fourth temperature sensor of temperature feedback module respectively
Connection.
Further, the high-voltage control circuit further includes first fuse, second fuse and third fuse；Institute
First fuse is stated to be connected in first charge circuit；The second fuse is connected in second charge circuit；
The third fuse is connected in the discharge loop.
Second object of the present invention is intended to provide a kind of high voltage control case.
In order to realize second object of the present invention, this invention takes the following technical solutions：
A kind of high voltage control case, using above-mentioned high-voltage control circuit；The high voltage control case includes cabinet, from left to right
Communication interface, electric discharge anode interface, electric discharge cathode interface, battery case cathode interface, battery on the cabinet front plate are set
Case anode interface, the first interface of service switch, the second interface of service switch, the first charging anode interface, the first charging are negative
Pole interface, the second charging anode interface, the second charging cathode interface,
The BMS master control of box house left rear side is set, the third fuse of box house front left side is set, setting exists
Box house left side central portion, the electric discharge negative switch of third fuse upper right side, setting is in box house front left side, electric discharge cathode
The first charging negative switch of box house right side central is arranged in the current divider for switching lower right side, and setting is on the box house right side
The second charging negative switch on the right side of side, the first charging negative switch is arranged on the right side of box house, the second charging negative switch
First charging positive switch of right lateral side is arranged on the right side of box house, second on the right side of the first charging positive switch charges just
Box house forward right side, the first fuse on front side of the first charging positive switch is arranged in pole switch, and setting is before cabinet is right
Second fuse on front side of side, the second charging positive switch；
The third fuse is corresponding with the electric discharge anode interface position；The third switch connects with the electric discharge cathode
The position of mouth and the current divider is corresponding；The first charging positive switch is corresponding with the position of the first fuse；Institute
It is corresponding with the first charging anode interface and the first charging position of cathode interface to state first fuse；Described second
The positive switch that charges is corresponding with the position of the second fuse；The second fuse and it is described second charging anode interface with
And the second charging cathode interface position corresponds to.
Further, the high voltage control case further include cabinet forward right side is set, the temperature control on the right side of second fuse is opened
It closes, the air inlet being arranged on the cabinet left plate and the fan being arranged on the cabinet right side plate；The temperature control is opened
It closes for the temperature closing or opening according to the box house, controls the movement of the fan.
Further, the high voltage control case further includes the installation foot pad that four vertex on the downside of the cabinet are arranged in.
Beneficial effects of the present invention：
High-voltage control circuit provided by the invention is charged by charge circuit to battery case, makes battery case by discharge loop
Electric discharge detects charging voltage, discharge voltage, charging current, discharge current and the temperature of battery case by BMS master control, in turn
Control the on-off of charge circuit and discharge loop.Further, the present invention by service switch need to high voltage control case into
When row maintenance, charge circuit and discharge loop are cut off, the safety of maintenance personal is protected.Further, BMS master control of the invention is adopted
With this master control management module of the BMU06-I-12V-400V of section's column technology production, circuit is simple, facilitates control.Further,
The present invention detects the charging current and discharge current of battery case using current divider.Further, BMS master control of the present invention passes through interior
The BMS of portion's communication module and battery case is connected from control, detects the charging voltage and discharge voltage of battery case；BMS master control of the present invention
By connecting with temperature feedback module, the temperature of battery case is detected.Further, the present invention is filled by first fuse first
The charging current of electrical circuit fuses when being more than its permissible value, reduces the risk that high current damages the first charge circuit；The present invention is logical
It crosses second fuse to fuse when the charging current of the second charge circuit is more than its permissible value, reduces the second charging of high current damage
The risk in circuit；The present invention is fused by third fuse when the discharge current of discharge loop is more than its permissible value, is reduced big
The risk of circuit damage discharge loop；Further, high voltage control case of the invention is rationally distributed.Further, of the invention
By the way that air inlet is arranged on cabinet left side fan is arranged on right side, convenient for cooling down to high voltage control case in high voltage control case.
Further, installation foot pad is respectively set by four vertex in cabinet bottom side in high voltage control case of the invention, and being convenient for will
High voltage control case is mounted on vehicle.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, simple Jie is done to attached drawing needed in the embodiment below
It continues.The accompanying drawings in the following description is only that the embodiment in the present invention is not being paid for those of ordinary skill in the art
Out under the premise of creative work, it can also be obtained according to these attached drawings other accompanying drawings.
Fig. 1 is the electrical connection diagram of high-voltage control circuit of the present invention；
Fig. 2 is BMS master control, vehicle power module, low pressure charging module, charging temperature feedback module and inside of the present invention
The pinouts of communication module；
Fig. 3 is the whole installation diagram of high voltage control case of the present invention；
Fig. 4 is that high voltage control case of the present invention lays down the whole installation diagram after top plate；
Fig. 5 is the cross-sectional view of high voltage control case of the present invention；
Fig. 6 is the electrical connection diagram of fan and temperature detect switch (TDS) of the present invention.
Specific embodiment
With reference to the accompanying drawing, the present invention will be described in detail.
In order to which the purpose of the present invention, technical solution, advantage is more clearly understood, with reference to the accompanying drawings and embodiments to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of high-voltage control circuit includes BMS master control, the first charging anode interface CHR+1, the first charging
Cathode interface CHR-1, second charging anode interface CHR+2, second charging cathode interface CHR-2, battery case anode interface BAT+,
Battery case cathode interface BAT-, electric discharge anode interface DSCHR+, electric discharge cathode interface DSCHR-, first charging positive switch K11,
First charging negative switch K12, the second charging positive switch K21, the second charging negative switch K22, service switch K4 electric discharge are negative
Pole switch K3, service switch K4, first fuse FU1, second fuse FU2, third fuse FU3 and current divider FL.
In the present embodiment, BMS master control manages mould using this master control of BMU06-I-12V-400V of section's column technology production
Block.This master control management module of BMU06-I-12V-400V includes the first submodule J1, second submodule J2, third submodule J3
And the 4th submodule J4.
In the present embodiment, the first charging positive switch K11, the first charging negative switch K12, the second charging positive switch
K21, the second charging negative switch K22 and electric discharge negative switch K3 are high-voltage relay.First charging positive switch K11,
First charging negative switch K12, the second charging positive switch K21, the second charging negative switch K22 and electric discharge negative switch K3
It include the first ancillary coil port A1, the second ancillary coil port A2, the first control port B1, the second control port 2, first
Grounding ports 1 and the second grounding ports B2.
As shown in figures 1 and 2, in the present embodiment, one end of the first charging anode interface CHR+1 is with first fuse FU1's
One end connection.The other end of first fuse FU1 is connect with the first ancillary coil port A1 of the first charging positive switch K11.
The second ancillary coil port A2 of first charging positive switch K11 is connect with the first interface K41 of service switch K4, the first control
Port B1 is connect with the pin 36 of the third submodule J3 of BMS master control, the third submodule of the second control port 2 and BMS master control
The pin 14 of J3 connects, the first grounding ports 1 and the second grounding ports B2 ground connection.The second interface K42 of service switch K4 with
Battery case anode interface connects BAT+ connection.Battery case anode interface BAT+ connects battery case anode.First charging cathode interface
The second ancillary coil port A2 of the cathode of a termination charger of CHR-1, the other end and the first charging negative switch K12 connect
It connects.The first ancillary coil port A1 of first charging negative switch K12 is connect with one end of current divider FL, the first control port B1
It is connect with the pin 34 of the third submodule J3 of BMS master control, the third submodule J3's of the second control port 2 and BMS master control draws
Foot 12 connects, the first grounding ports 1 and the second grounding ports B2 ground connection.The other end and battery case cathode interface of current divider FL
BAT- connection.Battery case cathode interface BAT- connects battery case cathode.In the present embodiment, the third submodule J3 of BMS master control
Pin 36 and pin 14 export control signal to the first charging positive switch K11, close for controlling the first charging positive switch K11
It closes or disconnects；The pin 34 and pin 12 of the third submodule J3 of BMS master control exports control signal to the first charging negative switch
K12, for controlling the first charging negative switch K12 closing or opening；As the first charging positive switch K11 and the first charging cathode
When switch K12 is closed, the first charging anode interface CHR+1, the first charging cathode interface CHR-1, first fuse FU1, the
One charging positive switch K11, the first charging negative switch K12, battery case anode interface BAT+ and battery case cathode interface
BAT- forms the first charge circuit, and charger is charged by the first charge circuit to battery case.
When the electric current that charger is charged by the first charge circuit to battery case be greater than first fuse FU1 allow by
When value, first fuse FU1 fusing, charger stops charging to battery case, reduces the risk of high current damage device.
As shown in figures 1 and 2, in the present embodiment, one end of the second charging anode interface CHR+2 and second fuse FU2 connects
It connects.The other end of second fuse FU2 is connect with the first ancillary coil port A1 of the second charging positive switch K21.Second fills
The second ancillary coil port A2 of electric positive switch K21 is connect with the first interface K41 of service switch K4, the first control port B1
It is connect with the pin 35 of the third submodule J3 of BMS master control, the third submodule J3's of the second control port 2 and BMS master control draws
Foot 13 connects, the first grounding ports 1 and the second grounding ports B2 ground connection.The second interface K42 and battery case of service switch K4
Anode interface BAT+ connection.Battery case anode interface BAT+ connects battery case anode.A termination of second charging cathode interface CHR-2
The cathode of charger, the other end are connect with the second ancillary coil port A2 of the second charging negative switch K22.Second charging cathode
The first ancillary coil port A1 of switch K22 is connect with one end of current divider FL, the third of the first control port B1 and BMS master control
The pin 33 of submodule J3 connects, and the second control port 2 is connect with the pin 11 of the third submodule J3 of BMS master control, and first connects
Ground port 1 and the second grounding ports B2 ground connection.Another termination battery case cathode interface BAT- of current divider FL.
In the present embodiment, the pin 35 of the third submodule J3 of BMS master control and pin 13 export control signal to second
Charge positive switch K21, for controlling the second charging positive switch K21 closing or opening；The third submodule J3's of BMS master control
Pin 33 and pin 11 export control signal to the second charging negative switch K22, close for controlling the second charging negative switch K22
It closes or disconnects；When the second charging positive switch K21 and the second charging negative switch K22 are closed, the second charging anode interface
CHR+2, the second charging cathode interface CHR-2, second fuse FU2, the second charging positive switch K21, the second charging cathode are opened
It closes K22, battery case anode interface BAT+ and battery case cathode interface BAT- and forms the second charge circuit, charger passes through second
Charge circuit charges to battery case.
When the electric current that charger is charged by the second charge circuit to battery case be greater than second fuse FU2 allow by
When value, second fuse FU2 fusing, charger stops charging to battery case, reduces the risk of high current damage device.
In the present embodiment, charger is charged by the first charge circuit and the second charge circuit to battery case, wherein
When one charge circuit breaks down, it can be charged by another charge circuit to battery case, it is relatively reliable.At the same time,
Charger is charged by two charge circuits to battery case, and charging rate is improved.
As shown in figures 1 and 2, in the present embodiment, electric discharge anode interface DSCHR+ is connect with one end of third fuse FU3,
The other end of third fuse FU3 is connect with the first interface K41 of service switch K4.The second interface K41 of service switch K41 with
The BAT+ connection of battery case anode interface.Battery case anode interface BAT+ connects battery case anode.The one of electric discharge cathode interface DSCHR-
It holds and is connect with the first ancillary coil port A1 of electric discharge negative switch K3.The second ancillary coil port A2 of electric discharge negative switch K3
It is connect with one end of current divider FL, the second control port 2 is connect with the pin 10 of the third submodule J3 of BMS master control, and first connects
Ground port 1 is grounded.The other end of current divider FL is connect with battery case cathode interface BAT-.Battery case cathode interface BAT- connects battery
Case anode.
In the present embodiment, the pin 10 of the third submodule J3 of BMS master control exports control signal and gives electric discharge negative switch
K3, for controlling electric discharge negative switch K3 closing or opening；When the negative switch K3 that discharges is closed, battery case anode interface BAT
+, battery case cathode interface BAT-, third fuse FU3, electric discharge negative switch K3, electric discharge anode interface DSCHR+ and electric discharge
Cathode interface DSCHR- forms discharge loop, and charger is discharged by discharge loop.
When the electric current that battery case is discharged by discharge loop be greater than third fuse FU3 allow by value when, third is molten
Disconnected device FU3 fusing, battery case stop electric discharge, reduce the risk of high current damage device.
In the present embodiment, service switch K4 is used to connect by disconnecting first interface K41 with second interface K42, disconnects
First charge circuit, the second charge circuit or discharge loop, protect the safety of maintenance personal.
In the present embodiment, the pin 3 of the 4th submodule J4 of a voltage output end and BMS master control of current divider FL connects
It connects, another voltage output end is connect with the pin 9 of the 4th submodule J4 of BMS master control and pin 10.BMS master control passes through the
The voltage at pin 9 and pin 10 the acquisition both ends current divider FL of four submodule J4, is passed through according to the principle of electric resistance partial pressure
The electric current at the both ends current divider FL.
Service switch K4 service switch K4 service switch K4 such as Fig. 2, shown in 3, the pin of the first submodule J1 of BMS master control
15 meet the pin A of vehicle power module P1-N, i.e. key power supply gear ON.The pin 13 of first submodule J1 of BMS master control connects
The pin B of vehicle power module P1-N, i.e. first via high level CAN interface CAN1H.The third submodule J3's of BMS master control draws
Foot 18, pin 28, the pin 32 of the first submodule J1, one end of the pin A and temperature detect switch (TDS) KT of internal communication module P3-A
Connect the pin C (as shown in Figure 6) of vehicle power module P1-N, i.e., the other end wind-receiving fan of normal electricity E001, temperature detect switch (TDS) KT.BMS
Pin 32, pin 31, pin 30, pin 29, the pin 27 of the third submodule J3 of master control connects drawing for vehicle power module P1-N
Foot D, i.e., often electricity E001.The pin 29 of first submodule J1 of BMS master control meets the pin E of vehicle power supply P1-N, i.e. the first via is low
Level CAN interface CAN1L.Pin F, G of vehicle power supply P1-N is grounded GND.The pin H of vehicle power supply P1-N meets shielding ground GND.
In the present embodiment, pin 13 and pin 29 and vehicle power module that BMS master control passes through the first submodule J1
CAN interface connection, communicated with vehicle.
In the present embodiment, when high voltage control case internal temperature is excessively high, temperature detect switch (TDS) KT closure, vehicle power module P1-N
Pin C, i.e., often electricity end E001 connect with fan, driving fan rotate, give high voltage control case cooling.
Such as Fig. 2, shown in 3, the pin 10 of the first submodule J1 of BMS master control meets the pin A of low pressure charging module P2-B, i.e.,
Second road high level CANCAN interface CAN2H.The pin 26 of first submodule J1 of BMS master control connects low pressure charging module P2-B's
Pin B, i.e. the second tunnel low level CAN interface CAN2L.The pin 5 of first submodule J1 of BMS master control connects low pressure charging module
The pin C of P2-B, the i.e. positive A+ of low pressure accessory power supply.The pin D of low pressure charging module P2-B, i.e., low pressure accessory power supply is negative
Pole is grounded GND.The pin 4 of first submodule J1 of BMS master control meets the pin E of low pressure charging module P2-B, i.e. charging connection is true
Recognize signal CC2-1.The pin 21 of first submodule J1 of BMS master control meets the pin F of low pressure charging module P2-B, i.e. charging connection
Confirmation signal CC2-2.The pin G of low pressure charging module P2-B meets shielding ground GND.The pin 9 of BMS master control third submodule J3 connects
The pin H of low pressure charging module P2-B, i.e. the key signal HCU-Key of entire car controller.
Such as Fig. 2, shown in 3, the pin A of internal communication module P3-A meets the positive pole BMU+ and vehicle electricity of BMS master control
The pin C of source module P1-N, i.e., often electricity E001.The pin 1 of the third submodule J3 of BMS master control connects internal communication module P3-A's
Pin B, i.e. the power cathode BMU- of BMS master control.The pin 7 of first submodule J1 of BMS master control meets internal communication module P3-A
Pin C, i.e. third road high level CAN interface CAN3H.The pin 23 of first submodule J1 of BMS master control connects internal communication mould
The pin D of block P3-A, i.e. third road low level CAN interface CAN3L.The pin E of internal communication module P3-A meets shielding ground GND.
In the present embodiment, BMS master control by the BMS of the pin 7 of the first submodule J1 and pin 23 and battery case from
Control is communicated, and the charging voltage and discharge voltage of battery case are acquired.
Such as Fig. 2, shown in 3, the pin 14 of the second submodule J2 of BMS master control connects the pin of charging temperature feedback module P4-C
A, the i.e. positive interface RT1+ of first via temperature sensor.The pin 6 of the second submodule J2 of BMS master control connects charging temperature feedback mould
The pin B of block P4-C, the i.e. negative interface RT1- of first via temperature sensor.The pin 13 of the second submodule J2 of BMS master control connects
The pin C of charging temperature feedback module P4-C, the i.e. positive interface RT2+ of No. second temperature sensor.Second submodule of BMS master control
The pin 5 of block J2 meets the pin D of charging temperature feedback module P4-C, the i.e. negative interface RT2- of No. second temperature sensor.BMS master
The pin 12 of the second submodule J2 of control meets the pin E of charging temperature feedback module P4-C, i.e. third road temperature sensing circuit
Positive interface RT3+.The pin 4 of the second submodule J2 of BMS master control meets the pin F of charging temperature feedback module P4-C, i.e. third road
The negative interface RT3- of temperature sensing circuit.The pin 11 of the second submodule J2 of BMS master control meets charging temperature feedback module P4-C
The pin G i.e. positive interface RT4+ of the 4th road temperature sensing circuit.The pin 3 of the second submodule J2 of BMS master control connects charging temperature
Spend the pin H, the i.e. negative interface RT4- of the 4th road temperature sensing circuit of feedback module P4-C.
In the present embodiment, BMS master control passes through pin 14, pin 6, pin 13, the pin 5, pin of second submodule J2
12, pin 4, pin 11, pin 3 are communicated with charging temperature feedback module P4-C, acquire the temperature of battery case.
As shown in Fig. 2, pin 6, pin 9, pin 12, the pin 16 of the first submodule of BMS master control J1, the 4th submodule J4
Pin 7 be grounded GND.
As shown in figure 4, a kind of high voltage control case includes cabinet, the communication interface on cabinet front plate is from left to right set
COM, electric discharge anode interface DSCHR+, electric discharge cathode interface DSCHR-, battery case cathode interface BAT-, battery case anode interface
BAT+, the first interface K41 of service switch K4, the second interface K42 of service switch K4, the first charging anode interface CHR+1, the
One charging cathode interface CHR-1, the second charging anode interface CHR+2, the second charging cathode interface CHR-2, are arranged in cabinet
The BMS master control of portion's left rear side, is arranged in the third fuse FU3 of box house front left side, setting box house left side central portion,
The electric discharge negative switch K3 of the upper right side third fuse FU3, setting is in box house front left side, the electric discharge lower right side negative switch K3
Current divider FL, the first charging negative switch K12 of box house right side central is set, is arranged on the right side of box house, the
The second charging negative switch K22 on the right side of one charging negative switch K12 is arranged on the right side of box house, the second charging cathode is opened
The the first charging positive switch K11 for closing K22 right lateral side is arranged on the right side of box house, on the right side of the first charging positive switch K11
Second charging positive switch K21, be arranged in box house forward right side, first charging positive switch K11 on front side of first fuse
FU1, be arranged in cabinet forward right side, second charging positive switch K21 on front side of second fuse FU2, setting cabinet forward right side,
Temperature detect switch (TDS) KT on the right side of second fuse FU2.
In the present embodiment, third fuse FU3 is corresponding with the electric discharge position anode interface DSCHR+；Third switch K3 with put
The position of electric cathode interface DSCHR- and current divider FL is corresponding；The position of first charging positive switch K11 and first fuse FU1
Set correspondence；The position pair of the charging of charging anode interface CHR+1 and first of first fuse FU1 and first cathode interface CHR-1
It answers；Second charging positive switch K21 is corresponding with the position of second fuse FU2；Second fuse and the second charging anode interface
The charging of CHR+2 and second position cathode interface CHR-2 is corresponding.
In the present embodiment, the device layout inside high voltage control case is reasonable；Interface on high voltage control box body foreboard
With foolproof function, wrong interface is prevented.
In the present embodiment, the quantity of communication interface COM is four, is arranged on four vertex of square.It is high voltage-controlled
BMS master control in case processed is communicated with the BMS in battery case from control by communication interface COM, obtains charging voltage, electric discharge electricity
The temperature of pressure and battery case.
Such as Fig. 3, shown in 5, in the present embodiment, it is provided with air inlet on cabinet left plate, is provided with fan on right side plate,
For cooling down when high voltage control box body internal temperature is excessively high to high voltage control case；Temperature detect switch (TDS) KT is in battery case internal temperature
It is closed when excessively high, and then the pin C (i.e. often electricity E001) of vehicle power supply P1-N is connect with fan, high pressure is given in driving fan rotation
Control cabinet internal heat dissipating.
In the present embodiment, four vertex of high voltage control box body bottom side are provided with installation foot pad, are convenient for high pressure
Control cabinet is mounted on vehicle.
In the present embodiment, it is electrically connected inside high-tension battery case using thick big copper bar, facilitates connection and installation, prevented
Only poor contact guarantees high current and reduces temperature rise.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-voltage control circuit, it is characterised in that：Including BMS master control, at least charge circuit and at least put all the way all the way
Electrical circuit；The charge circuit includes that charging anode interface, charging cathode interface, charging positive switch and/or charging cathode are opened
Pass, battery case anode interface and battery case cathode interface；The discharge loop includes battery case anode interface, battery case cathode
Interface, electric discharge anode interface, electric discharge cathode interface, electric discharge negative switch and/or electric discharge positive switch；The charging positive switch
One end connect with the charging anode interface, the other end is connect with the battery case anode interface, and/or, the charging is negative
One end of pole switch is connect with the charging cathode interface, and the other end is connect with the battery case cathode interface；The electric discharge is negative
One end of pole switch is connect with the battery case cathode interface, and the other end is connect with the electric discharge cathode interface, and/or, it is described
One end of electric discharge positive switch is connect with the battery case anode interface, and the other end is connect with the electric discharge anode interface；It is described
BMS master control is used to control institute according to the charging voltage of the battery pack, discharge voltage, charging current, discharge current and temperature
The charging positive switch and/or discharge switch is stated, and, the electric discharge negative switch and/or the electric discharge positive switch
On-off.
2. high-voltage control circuit according to claim 1, it is characterised in that：It further include service switch；The service switch
Including first interface and second interface；The first interface and the charging anode interface and the electric discharge anode interface connect
It connects；The second interface is connect with the battery case anode interface.
3. high-voltage control circuit according to claim 2, it is characterised in that：The high-voltage control circuit includes the first charging
Circuit and the second charge circuit；First charge circuit includes the first charging anode interface, the first charging cathode interface, the
One charging positive switch, the first charging negative switch, battery case anode interface and battery case cathode interface；Second charging
Circuit include second charging anode interface, second charging cathode interface, second charging positive switch, second charging negative switch,
Battery case anode interface and battery case cathode interface；
The first charging anode interface is connect with one end of the first charging positive switch；The first charging positive switch
The other end connect with the first interface of the service switch；The second interface of the service switch connects with the battery case anode
Mouth connection；The first charging cathode interface is connect with the first charging negative switch；The first charging negative switch
The other end is connect with the battery case cathode interface；The one of the second charging anode interface and the second charging positive switch
End connection；The other end of the second charging positive switch is connect with the first port of the service switch；The service switch
First port connect with the battery case anode interface；The second charging cathode interface and the second charging negative switch
One end connection；The other end of the second charging negative switch is connect with the battery case cathode interface.
4. high-voltage control circuit according to claim 3, it is characterised in that：The BMS is using the production of section's column technology
This master control management module of BMU06-I-12V-400V；The BMS master control includes the first submodule, second submodule, third
Module and the 4th submodule；The first charging positive switch, the first charging negative switch, the second charging positive switch, the
Two charging negative switch and discharge switch are high-voltage relay；The first charging positive switch, the first charging cathode are opened
It closes, the second charging positive switch, the second charging negative switch and discharge switch include the first ancillary coil port, second auxiliary
Help coil port, the first control port, the second control port, the first grounding ports and the second grounding ports；
First ancillary coil port of the first charging positive switch is connect with the first charging anode interface, the second auxiliary
Coil port is connect with the first interface of the service switch, the third submodule of the first control port and the BMS master control
Pin 36 connects, and the second control port connect with the pin 14 of the third submodule of the BMS master control, the first grounding ports and the
Two grounding ports ground connection；First ancillary coil port of the first charging negative switch and the battery case cathode interface connect
It connects, the second ancillary coil port is connect with the first charging cathode interface, the third of the first control port and the BMS master control
The pin 34 of submodule connects, and the second control port is connect with the pin 12 of the third submodule of the BMS master control, the first ground connection
Port and the second grounding ports are grounded；
First ancillary coil port of the second charging positive switch is connect with the second charging anode interface, the second auxiliary
Coil port is connect with the first interface of the service switch, the third submodule of the first control port and the BMS master control
Pin 35 connects, and the second control port connect with the pin 13 of the third submodule of the BMS master control, the first grounding ports and the
Two grounding ports ground connection；First ancillary coil port of the second charging negative switch and the battery case cathode interface connect
It connects, the second ancillary coil port is connect with the charging cathode interface, the third submodule of the first control port and the BMS master control
The pin 33 of block connects, and the second control port is connect with the pin 11 of the third submodule of the BMS master control, the first grounding ports
It is grounded with the second grounding ports；
First ancillary coil port of the electric discharge negative switch is connect with the electric discharge cathode interface, the second ancillary coil port
It being connect with the battery case cathode interface, the second control port is connect with the pin 10 of the third submodule of the BMS master control, the
One grounding ports ground connection.
5. high-voltage control circuit according to claim 4, it is characterised in that：It further include current divider；The one of the current divider
End connect with the battery case cathode interface, the other end and it is described first charge cathode interface, second charge cathode interface and
The cathode interface that discharges connects；The pin 3 of 4th submodule of a voltage output end and BMS master control for the current divider connects
It connects, another voltage output end is connect with the pin 9 of the 4th submodule of the BMS master control and pin 10；The BMS master control
By acquiring the voltage at the current divider both ends, the charging current of the battery case is detected according to the principle of electric resistance partial pressure and is put
Electric current.
6. high-voltage control circuit according to claim 5, it is characterised in that：First submodule of the BMS master control draws
Foot 7 is connect with the high level CAN interface of internal communication module；The pin 23 of first submodule of the BMS master control and inside are logical
Interrogate the low level CAN interface connection of module；The pin 14 and pin 6 of the second submodule of the BMS master control respectively with temperature
The positive interface of the first via temperature sensor of feedback module and the connection of negative interface；The second submodule of the BMS master control is drawn
Foot 13 and pin 5 are connect with the positive interface of No. second temperature sensor of temperature feedback module and negative interface respectively；It is described
The pin 12 and pin 4 of the second submodule of BMS master control respectively with the third road temperature sensor of temperature feedback module just
Interface and the connection of negative interface；The pin 11 and pin 3 of the second submodule of the BMS master control respectively with temperature feedback module
No. fourth temperature sensor positive interface and negative interface connection.
7. high-voltage control circuit according to claim 5, it is characterised in that：It further include first fuse, second fuse
And third fuse；The first fuse is connected in first charge circuit；The second fuse is connected on institute
It states in the second charge circuit；The third fuse is connected in the discharge loop.
8. a kind of high voltage control case, it is characterised in that：Using high-voltage control circuit as claimed in claim 7；The high voltage control
Case includes cabinet, be from left to right arranged in communication interface on the cabinet front plate, electric discharge anode interface, electric discharge cathode interface,
Battery case cathode interface, battery case anode interface, the first interface of service switch, the second interface of service switch, the first charging
Anode interface, the first charging cathode interface, the second charging anode interface, the second charging cathode interface, setting is on a box house left side
The BMS master control of rear side, is arranged in the third fuse of box house front left side, and setting is molten in box house left side central portion, third
The current divider of box house front left side, negative switch lower right side of discharging, setting is arranged in the electric discharge negative switch of disconnected device upper right side
In the first charging negative switch of box house right side central, it is arranged on the right side of box house, on the right side of the first charging negative switch
Second charging negative switch, be arranged on the right side of box house, second charging negative switch right lateral side first charging anode open
It closes, is arranged on the right side of box house, the second charging positive switch on the right side of the first charging positive switch, setting is on the box house right side
Front side, first charging positive switch on front side of first fuse, be arranged in cabinet forward right side, second charging positive switch on front side of
Second fuse；
The third fuse is corresponding with the electric discharge anode interface position；Third switch and the electric discharge cathode interface with
And the position of the current divider is corresponding；The first charging positive switch is corresponding with the position of the first fuse；Described
One fuse is corresponding with the first charging anode interface and the first charging position of cathode interface；Second charging
Positive switch is corresponding with the position of the second fuse；The second fuse and the second charging anode interface and institute
It is corresponding to state the second charging cathode interface position.
9. high voltage control case according to claim 8, it is characterised in that：It further include that setting is melted in cabinet forward right side, second
Temperature detect switch (TDS) on the right side of disconnected device, the air inlet being arranged on the cabinet left plate and is arranged on the cabinet right side plate
Fan；The temperature detect switch (TDS) is used for the temperature closing or opening according to the box house, controls the movement of the fan.
10. high voltage control case according to claim 8, it is characterised in that：It further include being arranged four on the downside of the cabinet
The installation foot pad of vertex.
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| CN201810682848.5A CN108891263B (en) | 2018-06-27 | 2018-06-27 | High-voltage control circuit and high-voltage control box |
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| CN201810682848.5A CN108891263B (en) | 2018-06-27 | 2018-06-27 | High-voltage control circuit and high-voltage control box |
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