CN204376336U - Used in new energy vehicles high voltage source distributor disk assembly - Google Patents
Used in new energy vehicles high voltage source distributor disk assembly Download PDFInfo
- Publication number
- CN204376336U CN204376336U CN201520004052.6U CN201520004052U CN204376336U CN 204376336 U CN204376336 U CN 204376336U CN 201520004052 U CN201520004052 U CN 201520004052U CN 204376336 U CN204376336 U CN 204376336U
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- Prior art keywords
- short
- relay
- voltage
- branch
- circuit protector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of used in new energy vehicles high voltage source distributor disk assembly.The high-tension current transmission of conventional electric automobile adopts the mode of bolted binding post, and this high-tension current transmission means does not possess dust-proof, water-proof function, and security performance is low, very easily causes getting an electric shock or leaking electricity the situation of hurting sb.'s feelings.The utility model comprises box body, and the inside of box body comprises control unit, preliminary filling unit, short-circuit protection unit and power distribution unit; Control unit comprises main relay; Preliminary filling unit comprises pre-charge-relay; Power distribution unit comprises busbar.The utility model, while realizing the control of high-voltage great-current energy source, also serves the function of short-circuit protection when transshipping to main line, effectively improves reliability and the fail safe of electric automobile high-voltage electric control system.
Description
Technical field
The utility model belongs to New-energy electric vehicle field, relates to high-voltage electric system, is specifically related to used in new energy vehicles high voltage source distributor disk assembly.
Background technology
Along with day by day serious environmental problem and energy crisis, new-energy automobile arises at the historic moment in this context.Conventional electric automobile, due to the restriction of the aspect such as cost and technology, when high-tension current of being everlasting transmits, adopts the mode of bolted binding post, realizes the connection of each high-pressure system.Although which structure is simple, do not possess dust-proof, water-proof function, security performance is low, in use or later maintenance time, very easily cause getting an electric shock or leaking electricity the situation of hurting sb.'s feelings.Along with the development of electric vehicle engineering, the control mode of the coarse formula of this dispersion is due to its fail safe and maintainability is lower etc. that unfavorable factor is subject to market gradually.
The main energy sources that new-energy automobile drives is provided by battery system, and the energy source of whole system is responsible for by high-voltage electric system.The energy of electrokinetic cell, by the high voltage cable in high-voltage electric system, is delivered to electric machine controller, electric heater (PTC), DC voltage changer (DC/DC), Vehicular charger and electric air-conditioning by high voltage source distributor disk.High voltage source distributor disk is a kind of safe, integrated high pressure integrating device, gradually favor by electric automobile manufacturer.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art; a kind of used in new energy vehicles high voltage source distributor disk assembly is proposed; while realizing the control of high-voltage great-current energy source; also serve the function of short-circuit protection when main line is transshipped, effectively improve reliability and the fail safe of electric automobile high-voltage electric control system.
For achieving the above object, the utility model takes following technical proposals:
The utility model comprises box body, and the inside of described box body comprises control unit, preliminary filling unit, short-circuit protection unit and power distribution unit; Described control unit comprises main relay; Described preliminary filling unit comprises pre-charge-relay; Described power distribution unit comprises busbar.
Described box body is provided with lid; The mounting groove of lid is embedded with foaming sealing gasket; Described box body, lid and foaming sealing gasket form hermetically-sealed construction.
Described short-circuit protection unit comprises branch, short-circuit protector and main line short-circuit protector; Branch, short-circuit protector comprises electric machine controller branch, short-circuit protector, heater branch, short-circuit protector, DC voltage changer branch, short-circuit protector and branch road charger short-circuit protector; Anode power supply is electrically connected with busbar through main relay; Busbar is electrically connected with electric machine controller branch, short-circuit protector; Busbar is electrically connected with air-conditioning, heater branch, short-circuit protector; Busbar is electrically connected with DC voltage changer branch, short-circuit protector; Anode power supply is electrically connected with branch road charger short-circuit protector.
Battery cathode power supply is connected with electric machine controller negative pole, air-conditioning negative pole, DC voltage changer negative pole, charger negative pole, heater or air-conditioning negative electricity through busbar.
The load cathode contact of described pre-charge-relay is electrically connected with the cathode contact of main relay, and the negative pole end contact of preliminary filling relay is electrically connected with the outer precharge output port of box body.
The end face of described box body is provided with low-voltage signal control connection port, for exporting the low-voltage control signal of main relay, pre-charge-relay and heater relay to battery management system.
Compared with prior art, the utility model has features and beneficial effect:
(1) the utility model integration degree is high; reduce the volume of high voltage power distribution cartridge; by control unit, preliminary filling unit, short-circuit protection unit and power distribution unit; while realizing the control of high-voltage great-current energy source; also serve the function of short-circuit protection when main line is transshipped, effectively improve reliability and the fail safe of electric automobile high-voltage electric control system.
(2) the utility model has good waterproof and dust-proof effect, is applicable to severe environment for use.
(3) the utility model assembly is reasonable, and production cost is low.
(4) the utility model power distribution is reasonable, greatly can reduce the loss of power.
Accompanying drawing explanation
Fig. 1 is an end view of the present utility model;
Fig. 2 is another end view of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is upward view of the present utility model;
Fig. 5 is interior layout figure of the present utility model;
Fig. 6 is electrical schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1,5 and 6, used in new energy vehicles high voltage source distributor disk assembly, comprises box body, lid, foaming sealing gasket, link interface and electric component.Box body, lid and foaming sealing gasket form hermetically-sealed construction; Foaming sealing gasket is embedded in the mounting groove of lid, and when box body and lid fasten, foaming sealing strip is squeezed, and plays waterproof and dustproof effect.
The electric component of high voltage source distributor disk inside comprises control unit, preliminary filling unit, short-circuit protection unit and power distribution unit; Control unit comprises main relay B and heater relay A; Preliminary filling unit comprises pre-charge-relay C; Short-circuit protection unit comprises high-voltage insurance D, high-voltage insurance E, high-voltage insurance F and high-voltage insurance G; Power distribution unit comprises busbar H.
As Fig. 1,2, shown in 3 and 4, link interface comprises air-conditioning connector I, connectivity port III born by charger connectivity port II, electric machine controller, the positive connectivity port of electric machine controller IV, the positive connectivity port V of battery, heater (PTC) connectivity port VI, low-voltage signal control connection port VII, battery bear connectivity port VIII, DC voltage changer (DC/DC) connectivity port Ⅸ.
Battery positive 2 is electrically connected with the b1 pin of main relay B through the positive connectivity port V of battery through high-voltage wiring harness;
(1) electric current b2 pin after main relay B is electrically connected with the d1 pin of high-voltage insurance D; Electric current d2 pin after high-voltage insurance D is electrically connected with the a2 pin of heater relay A; Electric current is after heater relay A, and a1 pin is electrically connected with high-voltage cage external heater (PTC) by wire 1 heater via (PTC) connectivity port VI.
Electric current d2 pin after high-voltage insurance D is connected through the outside air conditioner electric of air-conditioning connector I and high-voltage cage by wire 6.
(2) electric current b2 pin after main relay B is electrically connected with the e1 pin of high-voltage insurance E; Electric current e2 pin after high-voltage insurance E is just electrically connected with high-voltage cage external motor controller through the positive connectivity port IV of electric machine controller by wire 11.
(3) electric current b2 pin after main relay B is electrically connected with the f1 pin of high-voltage insurance F; Electric current f2 pin after high-voltage insurance F is electrically connected with high-voltage cage external dc electric pressure converter (DC/DC) through filling DC voltage changer (DC/DC) connectivity port Ⅸ by wire 5.
(4) electric current is electrically connected with the c1 pin of pre-charge-relay C after b1 pin; Electric current c2 pin after pre-charge-relay C is electrically connected with high-voltage cage external cell management system through low-voltage signal control connection port VII place connector J by wire 3.
(5) electric current is electrically connected with the g2 pin of high-voltage insurance G after b1 pin; Electric current g1 pin after high-voltage insurance G passes through wire 4 through charger connectivity port II and high-voltage cage external charging mechatronics.
Above acting in conjunction constitutes control unit, short-circuit protection unit and preliminary filling unit.
Battery is negative to be born connectivity port VIII through battery and is electrically connected with busbar H by wire; Electric current branches to electric machine controller by busbar H and bears, and bears connectivity port III be electrically connected with high-voltage cage external motor controller by wire 12 through electric machine controller.
Electric current branches to air-conditioning by busbar H and bears, and is connected through the outside air conditioner electric of air-conditioning connector I and high-voltage cage by wire 10.
Electric current branches to charger by busbar H and bears, by wire 9 through charger connectivity port II and high-voltage cage external charging mechatronics.
Electric current branches to charger by busbar H and bears, by wire 8 through DC voltage changer (DC/DC) connectivity port Ⅸ and high-voltage cage external charging mechatronics.
Electric current branches to heater (PTC) by busbar H, is electrically connected with high-voltage cage external heater (PTC) by wire 7 heater via (PTC) connectivity port VI.
Signal S1, signal S2, the signal S3 and signal S4 of each relay are all electrically connected with high-voltage cage external cell management system by low-voltage signal control connection port VII.
The utility model is not limited to above-described embodiment, and content described in the utility model all can be implemented and have good effect.
Claims (2)
1. used in new energy vehicles high voltage source distributor disk assembly, comprises box body, it is characterized in that: the inside of described box body comprises control unit, preliminary filling unit, short-circuit protection unit and power distribution unit; Described control unit comprises main relay; Described preliminary filling unit comprises pre-charge-relay; Described power distribution unit comprises busbar;
Described short-circuit protection unit comprises branch, short-circuit protector and main line short-circuit protector; Branch, short-circuit protector comprises electric machine controller branch, short-circuit protector, heater branch, short-circuit protector, DC voltage changer branch, short-circuit protector and branch road charger short-circuit protector; Anode power supply is electrically connected with busbar through main relay; Busbar is electrically connected with electric machine controller branch, short-circuit protector; Busbar is electrically connected with air-conditioning, heater branch, short-circuit protector; Busbar is electrically connected with DC voltage changer branch, short-circuit protector; Anode power supply is electrically connected with branch road charger short-circuit protector;
Battery cathode power supply is connected with electric machine controller negative pole, air-conditioning negative pole, DC voltage changer negative pole, charger negative pole, heater or air-conditioning negative electricity through busbar;
The load cathode contact of described pre-charge-relay is electrically connected with the cathode contact of main relay, and the negative pole end contact of preliminary filling relay is electrically connected with the outer precharge output port of box body;
The end face of described box body is provided with low-voltage signal control connection port, for exporting the low-voltage control signal of main relay, pre-charge-relay and heater relay to battery management system.
2. used in new energy vehicles high voltage source distributor disk assembly according to claim 1, is characterized in that: described box body is provided with lid; The mounting groove of lid is embedded with foaming sealing gasket; Described box body, lid and foaming sealing gasket form hermetically-sealed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004052.6U CN204376336U (en) | 2015-01-04 | 2015-01-04 | Used in new energy vehicles high voltage source distributor disk assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004052.6U CN204376336U (en) | 2015-01-04 | 2015-01-04 | Used in new energy vehicles high voltage source distributor disk assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376336U true CN204376336U (en) | 2015-06-03 |
Family
ID=53332517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520004052.6U Expired - Fee Related CN204376336U (en) | 2015-01-04 | 2015-01-04 | Used in new energy vehicles high voltage source distributor disk assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204376336U (en) |
-
2015
- 2015-01-04 CN CN201520004052.6U patent/CN204376336U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20210104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |