CN209441204U - A kind of pure electric automobile transfer high voltage distribution box - Google Patents
A kind of pure electric automobile transfer high voltage distribution box Download PDFInfo
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- CN209441204U CN209441204U CN201920094833.7U CN201920094833U CN209441204U CN 209441204 U CN209441204 U CN 209441204U CN 201920094833 U CN201920094833 U CN 201920094833U CN 209441204 U CN209441204 U CN 209441204U
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- relay
- heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a kind of pure electric automobile transfer high voltage distribution boxes, including box body and it is set to the intracorporal charging system of box, the box body is equipped with heating interface, charging interface, electric discharge interface and high pressure MSD, and the charging system includes charge relay, electric discharge relay, heating relay, Hall sensor, insulating monitoring module and BMS host；The input terminal of the insulating monitoring module is connect with power end, its output end is connect with the communication ends of BMS host, the end of incoming cables of the Hall sensor is connect with power end, and the leading-out terminal of Hall sensor is connect with the switch stationary contact point of the input terminal of insulating monitoring module and the relay that discharges.The utility model separates power battery end high voltage power distribution unit with vehicle load end high voltage power distribution Elementary Function, it is clear in structure, electrokinetic cell system energy density is improved, power battery end material cost is reduced, the malfunction elimination time is shortened, working efficiency is improved.
Description
Technical field
The utility model relates to a kind of block terminals, and in particular to a kind of pure electric automobile transfer high voltage distribution box.
Background technique
Most of current high voltage power distribution unit for electric vehicle is global function structure, in addition to what is be connected with power battery end
Battery is positive and negative and heats outside interface, and the load of vehicle end such as electric machine controller, air-conditioning, the loads such as warm wind and power assistance pump for steering also integrate
Together, cause high voltage power distribution cellular construction and function complicated, it is not reasonable that structure designs end arrangement, and since function is complicated,
When encountering problems in vehicle driving process, cannot determine to belong to power battery end failure or vehicle end failure, pole at the first time
The earth reduces troubleshooting efficiency.Meanwhile such global function structural material higher cost and heavier-weight, to battery system
For system aspect, cost and energy density pressure are increased.
Utility model content
The purpose of this utility model is to provide a kind of pure electric automobile transfer high voltage distribution boxes, make electrokinetic cell system
Affiliated high voltage power distribution part is separated with vehicle end, convenient for checking specific failure, is alleviated battery system end weight, is improved energy
Density.
To achieve the above object, the utility model uses following technical scheme:
A kind of pure electric automobile transfer high voltage distribution box, including box body and be set to the intracorporal charging system of box, the box
Body is equipped with heating interface, charging interface, electric discharge interface and high pressure MSD, the charging system include charge relay, electric discharge after
Electric appliance, heating relay, Hall sensor, insulating monitoring module and BMS host；
The switch stationary contact point of the charge relay is connect with one end of high pressure MSD, the other end and power end of high pressure MSD
Connection, the switch movable contact point of charge relay are connect with charging interface, coil one end ground connection of the charge relay, coil
The other end and BMS the first control terminal connect；
The switch stationary contact point of the heating relay is connect with heating interface, heats switch movable contact point and the charging of relay
Interface connection, coil one end ground connection of the heating relay heat the second control of the coil other end and BMS host of relay
End connection processed；
The switch stationary contact point of the electric discharge relay is connect with power end and charging interface, and switch movable contact point connects with electric discharge
Mouth connection, the switch stationary contact point for the relay that discharges are connect with charging interface, and switch movable contact point is connect with electric discharge interface, described to put
Coil one end of electrical relay is grounded, and the other end of coil is connect with the third control terminal of BMS host；
The input terminal of the insulating monitoring module is connect with power end, and output end is connect with the communication ends of BMS host, institute
The end of incoming cables for stating Hall sensor is connect with power end, the leading-out terminal of Hall sensor and the input terminal of insulating monitoring module and is put
The switch stationary contact point of electrical relay connects.
As a further improvement of the above technical scheme:
The charging system further includes heating fuse F1, and the heating fuse F1 is connected on heating gate and heating relay
On connecting line between the switch stationary contact point of device.
The charge relay is two, including the first charge circuit relay K1 and the second charge circuit relay K2,
The charging interface includes the positive interface of two chargings and two negative interfaces of charging, the first charge circuit relay K1 and second
The switch stationary contact point of charge circuit relay K2 is connect through high pressure MSD with power end, the first charge circuit relay K1,
The switch movable contact point of second charge circuit relay K2 is connect with two positive interfaces of charging respectively, the first charge circuit relay
Device K1, the second charge circuit relay K2 coil be separately connected two control terminals of BMS host.
The heating relay includes the first heating relay K3, the second heating relay K4, third heating relay K5
And the 4th heating relay K6, the heating interface include two heating exits and two heating imports, it is described first heat after
The heated fuse F1 of switch stationary contact point and two heating of electric appliance K3, the second heating relay K4 and third heating relay K5
Outlet connection, the switch movable contact point of the first heating relay K3 are connect with one of positive interface of charging, the second heating relay
The switch movable contact point of K4 is connect with another positive interface of charging, and third heats the switch movable contact point of relay K5 and electric discharge interface connects
It connects, the switch movable contact point of the 4th heating relay K6 is connect with two heating imports, the switch of the 4th heating relay K6
Stationary contact is connect with two negative interfaces of charging, and the first heating relay K3, the second heating relay K4, third heat relay K5
And the 4th the coil of heating relay K6 be separately connected the different control terminals of BMS host.
The switch stationary contact point of the electric discharge relay is connect with two negative interfaces of charging, switch movable contact point and electric discharge interface
Connection.
It is additionally provided with vehicle port, Intranet port and Debugging mouth on the box body, the one of the vehicle port
End is connect with vehicle communication ends, and one end of the Debugging mouth is connect with the test side of BMS host, the Intranet port
The connection of the slave plate of one end and battery case.
As shown from the above technical solution, power battery end high voltage power distribution unit described in the utility model and vehicle load end are high
It is press-fitted the separation of electric unit function, it is clear in structure, since such structure block terminal weight is mitigated with respect to global function high-voltaghe compartment, mention
Electrokinetic cell system energy density has been risen, power battery end material cost is reduced, meanwhile, it is subsequently encountered failure, targetedly
It is checked, shortens malfunction elimination time, raising efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
As shown in Figure 1, the pure electric automobile of the present embodiment transfer high voltage distribution box, including box body and to be set to box intracorporal
Charging system, box body 1 are equipped with heating interface, charging interface, electric discharge interface and high pressure MSD 3, charging system include charging after
Electric appliance, electric discharge relay, heating fuse F1, heating relay, Hall sensor 2, insulating monitoring module 5 and BMS host 4；
One end of high pressure MSD is connect with power end, and the other end of high pressure MSD 3 is interlocking test side.Heating fuse F1 series connection
On connecting line between heating gate and the switch stationary contact point of heating relay.
The input terminal of the insulating monitoring module 5 is connect with power end, the output end and BMS host 4 of the insulating monitoring module 5
Communication ends connection, the end of incoming cables of Hall sensor 2 connect with power end, the leading-out terminal and insulating monitoring mould of Hall sensor 2
The switch stationary contact point connection of the input terminal of block 5 and the relay that discharges.The charge relay of the present embodiment is two, including first fills
Electrical circuit relay K1 and the second charge circuit relay K2, charging interface include that two chargings positive interface L2, L3 and two fill
The switch stationary contact point of electricity negative interface L4, L5, the first charge circuit relay K1 and the second charge circuit relay K2 are and high pressure
MSD connection, high pressure MSD are connect with power end, the other end of high pressure MSD I interlock test side, the first charge circuit relay
K1, the second charge circuit relay K2 switch movable contact point connect respectively with two chargings positive interface L2, L3, the first charge circuit
Relay K1, the second charge circuit relay K2 coil be separately connected two control terminals of BMS host 4.
The charge relay of the present embodiment is two, including the first charge circuit relay K1 and the second charge circuit relay
Device K2, charging interface include that the positive interface of two chargings and two negative interfaces of charging, the first charge circuit relay K1 and second fill
The switch stationary contact point of electrical circuit relay K2 is connect through high pressure MSD with power end, and the first charge circuit relay K1, second are filled
The switch movable contact point of electrical circuit relay K2 is connect with two positive interfaces of charging respectively, the first charge circuit relay K1, second
The coil of charge circuit relay K2 is separately connected two control terminals of BMS host.
The present embodiment, it includes the first heating relay K3, the second heating relay K4, third that heating relay, which is 4,
The heating relay K6 of relay K5 and the 4th is heated, heating interface includes two heating exits L9, L11 and two heating imports
The switch stationary contact point of L10, L12, the first heating relay K3, the second heating relay K4 and third heating relay K5 are heated
Fuse F1 is connect with two heating exits L9, L11, and the switch movable contact point of the first heating relay K3 and the positive interface L2 that charges connect
It connects, the switch movable contact point of the second heating relay K4 is connect with the positive interface L3 that charges, and third heats the switch movable contact of relay K5
Point is connect with the positive interface L1 that discharges, and the switch movable contact point of the 4th heating relay K6 is connect with two heating imported Ls 10, L12, the
The switch stationary contact point of four heating relay K6 is connect with two chargings negative interface L4, L5, the first heating relay K3, the second heating
The coil that relay K4, third heating relay K5 and the 4th heat relay K6 is separately connected the different control terminals of BMS host.
The switch stationary contact point of the electric discharge relay K7 of the present embodiment is connect with two chargings negative interface L4, L5, relay of discharging
The switch movable contact point of device K7 is connect with the negative interface L6 that discharges.
Vehicle port L16, Intranet port L13 and Debugging mouth L17, vehicle port are additionally provided on box body
One end of L16 is connect with vehicle communication ends, and one end of Debugging mouth L17 is connect with the test side of BMS host 4, interior Network Communication
One end of mouth L13 and the slave plate of battery case connect.
Working principle: vehicle travel phase, since power battery low temperature discharge ability is limited, it is therefore necessary to set a certain
Environment temperature is heated so that electrokinetic cell system is always maintained at heating below the environment temperature and opens to battery, is promoted
Battery vigor, and then promote discharge capability.Therefore, when BMS host 4 detects battery local environment temperature lower than a certain setting temperature
When spending, BMS host 4, which passes through, controls K5 and K6 heating relay closure, add certainly to battery heating film by battery system
Heat, and first closure electric discharge relay K7, while by sending message to VCU, it is closed main relay in vehicle high-voltaghe compartment, i.e. side adds
Hot Bian Fang electricity；
When BMS detects that heating temperature rises to a certain set temperature, BMS host 4 by control heating relay K5 with
And K6 disconnect, at this time vehicle can normally travel, i.e., only discharge and do not heat；
When BMS host 4 detects battery local environment temperature lower than a certain set temperature, BMS host is added by control
Electrothermal relay K3 or K4 and K6 closure, is heated by external charging machine to battery heating film, when BMS detects battery
When temperature rises to 2 DEG C, this stage, which only heats, does not charge；For BMS by control charge relay K1 or K2, closure vehicle is high at this time
Main relay in case is pressed, vehicle can charge normal at this time, i.e., heating while charging；
When BMS detects that battery temperature rises to set temperature, when such as 17 DEG C, passes through and control relay K2 and K4, enter
Charging stage.
For the biggish dual battery system of vehicle electrical demand, Hall sensor 1 is placed on 1 circuit of battery system, uses
In electric current on measure loop 1, Hall sensor 2 is placed on 2 circuit of battery system, for electric current on measure loop 2, works as battery system
Or Hall causes a certain loop current abnormal extremely, BMS can't detect the loop current at this time, can quote corresponding event immediately
Barrier, significant increase malfunction elimination efficiency；
Interface is heated on box body 1 is divided into two heating exits and two heating imports, when system requirements are dual system, four
A heating interface uses simultaneously, and system one is using heating 1 into heating 1 goes out, and system two is using heating 2 into heating 2 goes out, Ci Zhongyi
Go out structure into one, greatly facilitate harness and be laid out on vehicle, so that being series relationship between harness, does not have to from single line beam
It splits multiple nodes and carries out branch, while having promotion to harness insulating protection.
Vehicle communication port is that BMS host 4 and external vehicle communication are used in high-voltage cage, passes through vehicle CAN and entire car controller
It is communicated, sends and receive corresponding train order, communicated by charging CAN with external charging machine, send and connect
Receive corresponding charge command；
Intranet communication port is that BMS host 4 and Battery case communication are used in high-voltage cage, by internal CAN and Battery case
Portion's slave is communicated, and receives respective battery information parameter, and then monitor all information of electrokinetic cell system at any time；
Two chargings positive interface L2, L3, two chargings negative interface L4, L5, discharge the positive L1 and negative L6 that discharges, above-mentioned 6 height
Crimping mouth is connected with vehicle end high-voltage cage, when charging, by external charging machine by vehicle high-voltage cage, into relay box charging
Mouthful, then power battery is arrived, when electric discharge, by battery interface, by relay box discharge end, then vehicle high-voltage cage is arrived, relay box electric discharge
Bear high-voltage relay, charging just has high-voltage relay, in conjunction in vehicle high-voltage cage it is main just or main negative relay, it is ensured that it is high
Pushing back road, at least there are two high-voltage relays, and then ensure high-voltage safety.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (6)
1. a kind of pure electric automobile transfer high voltage distribution box, it is characterised in that: including box body and be set to the intracorporal Charging of box
System, the box body are equipped with heating interface, charging interface, electric discharge interface and high pressure MSD, and the charging system includes charging relay
Device, electric discharge relay, heating relay, Hall sensor, insulating monitoring module and BMS host；
The switch stationary contact point of the charge relay is connect with one end of high pressure MSD, and the other end and power end of high pressure MSD connects
It connects, the switch movable contact point of charge relay is connect with charging interface, coil one end ground connection of the charge relay, coil
The connection of the first control terminal of the other end and BMS；
The switch stationary contact point of the heating relay is connect with heating interface, heats the switch movable contact point and charging interface of relay
Connection, coil one end ground connection of the heating relay, heats the coil other end of relay and the second control terminal of BMS host
Connection；
The switch stationary contact point of the electric discharge relay is connect with power end and charging interface, and switch movable contact point and electric discharge interface connect
Connect, the switch stationary contact point for the relay that discharges is connect with charging interface, switch movable contact point with electric discharge interface connect, it is described discharge after
Coil one end of electric appliance is grounded, and the other end of coil is connect with the third control terminal of BMS host；
The input terminal of the insulating monitoring module is connect with power end, and output end is connect with the communication ends of BMS host, it is described suddenly
The end of incoming cables of your sensor connect with power end, the leading-out terminal of Hall sensor and the input terminal of insulating monitoring module and discharge after
The switch stationary contact point of electric appliance connects.
2. pure electric automobile according to claim 1 transfer high voltage distribution box, it is characterised in that: the charging system is also
Including heating fuse F1, the heating fuse F1 is connected on the company between heating gate and the switch stationary contact point for heating relay
In wiring.
3. pure electric automobile according to claim 1 transfer high voltage distribution box, it is characterised in that: the charge relay
It is two, including the first charge circuit relay K1 and the second charge circuit relay K2, the charging interface includes two and fills
Electric positive interface and two negative interfaces of charging, the switch of the first charge circuit relay K1 and the second charge circuit relay K2
Stationary contact is connect through high pressure MSD with power end, the first charge circuit relay K1, the second charge circuit relay K2
Switch movable contact point is connect with two positive interfaces of charging respectively, the first charge circuit relay K1, the second charge circuit relay
The coil of device K2 is separately connected two control terminals of BMS host.
4. pure electric automobile according to claim 3 transfer high voltage distribution box, it is characterised in that: the heating relay
Relay K6 is heated including the first heating relay K3, the second heating relay K4, third heating relay K5 and the 4th, it is described
Heating interface includes two heating exits and two heating imports, the first heating relay K3, the second heating relay K4
And the heated fuse F1 of switch stationary contact point of third heating relay K5 is connect with two heating exits, the first heating relay
The switch movable contact point of K3 is connect with one of positive interface of charging, the switch movable contact point of the second heating relay K4 and another charging
The switch movable contact point of positive interface connection, third heating relay K5 is connect with electric discharge interface, the 4th heating relay K6's
Switch movable contact point is connect with two heating imports, and the switch stationary contact point of the 4th heating relay K6 and two negative interfaces of charging connect
It connects, the coil of the first heating relay K3, the second heating relay K4, the third heating of heating relay K5 and the 4th relay K6
It is separately connected the different control terminals of BMS host.
5. pure electric automobile according to claim 3 transfer high voltage distribution box, it is characterised in that: the electric discharge relay
Switch stationary contact point connect with two charging negative interfaces, switch movable contact point is connect with the interface that discharges.
6. pure electric automobile according to claim 1 transfer high voltage distribution box, it is characterised in that: also set on the box body
There are vehicle port, Intranet port and Debugging mouth, one end of the vehicle port is connect with vehicle communication ends, described
One end of Debugging mouth is connect with the test side of BMS host, and one end of the Intranet port and the slave plate of battery case connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094833.7U CN209441204U (en) | 2019-01-21 | 2019-01-21 | A kind of pure electric automobile transfer high voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920094833.7U CN209441204U (en) | 2019-01-21 | 2019-01-21 | A kind of pure electric automobile transfer high voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209441204U true CN209441204U (en) | 2019-09-27 |
Family
ID=68017854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920094833.7U Active CN209441204U (en) | 2019-01-21 | 2019-01-21 | A kind of pure electric automobile transfer high voltage distribution box |
Country Status (1)
| Country | Link |
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| CN (1) | CN209441204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561847A (en) * | 2021-06-30 | 2021-10-29 | 安徽和鼎机电设备有限公司 | Lithium battery system and working method |
| WO2023179272A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | High-voltage distribution box, high-voltage distribution system, and electric vehicle |
| RU2811587C1 (en) * | 2022-03-23 | 2024-01-15 | Сани Хэви Эквипмент Ко., Лтд. | High voltage distribution box, high voltage distribution system and electric vehicle |
-
2019
- 2019-01-21 CN CN201920094833.7U patent/CN209441204U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561847A (en) * | 2021-06-30 | 2021-10-29 | 安徽和鼎机电设备有限公司 | Lithium battery system and working method |
| CN113561847B (en) * | 2021-06-30 | 2024-03-22 | 安徽和鼎机电设备有限公司 | Lithium battery system and working method |
| WO2023179272A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | High-voltage distribution box, high-voltage distribution system, and electric vehicle |
| RU2811587C1 (en) * | 2022-03-23 | 2024-01-15 | Сани Хэви Эквипмент Ко., Лтд. | High voltage distribution box, high voltage distribution system and electric vehicle |
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