CN104505782A - High-voltage power supply distribution box assembly for new energy vehicle - Google Patents
High-voltage power supply distribution box assembly for new energy vehicle Download PDFInfo
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- CN104505782A CN104505782A CN201510001535.5A CN201510001535A CN104505782A CN 104505782 A CN104505782 A CN 104505782A CN 201510001535 A CN201510001535 A CN 201510001535A CN 104505782 A CN104505782 A CN 104505782A
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- circuit protector
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a high-voltage power supply distribution box assembly for a new energy vehicle. A manner of fastening wiring terminals by using bolts is adopted in the high-voltage current transmission of a traditional electric automobile; the high-voltage current transmission manner is not dustproof and waterproof, is low in safety and easy to cause electric shock or electric leakage to hurt people. The high-voltage power supply distribution box assembly comprises a box body; the inside of the box body comprises a control unit, a pre-charge unit, a short-circuit protection unit and a power supply distribution unit; the control unit comprises a main relay; the pre-charge unit comprises a pre-charge relay; and the power supply distribution unit comprises a bus bar. The high-voltage power supply distribution box assembly for the new energy vehicle, the high-voltage high-current power transmission control is realized, and meanwhile, the short circuits of main circuits during overloading are protected; and the reliability and safety of a high-voltage electric control system of an electric automobile are improved effectively.
Description
Technical field
The invention belongs to New-energy electric vehicle field, relate to high-voltage electric system, be 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 object of the invention 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 present invention takes following technical proposals:
The present invention includes box body, 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 present invention has features and beneficial effect:
(1) integration degree of the present invention 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 present invention has good waterproof and dust-proof effect, is applicable to severe environment for use.
(3) assembly of the present invention is reasonable, and production cost is low.
(4) power distribution of the present invention is reasonable, greatly can reduce the loss of power.
Accompanying drawing explanation
Fig. 1 is an end view of the present invention;
Fig. 2 is another end view of the present invention;
Fig. 3 is vertical view of the present invention;
Fig. 4 is upward view of the present invention;
Fig. 5 is interior layout figure of the present invention;
Fig. 6 is electrical schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Fig. 1,5 and 6, a kind of 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 invention is not restricted to above-described embodiment, content of the present invention all can be implemented and have good effect.
Claims (6)
1. a 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.
2. a kind of 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.
3. a kind of used in new energy vehicles high voltage source distributor disk assembly according to claim 1, is characterized in that: 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.
4. a kind of used in new energy vehicles high voltage source distributor disk assembly according to claim 1, is characterized in that: 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.
5. a kind of used in new energy vehicles high voltage source distributor disk assembly according to claim 1, it is characterized in that: the load cathode contact of described pre-charge-relay is electrically connected with the cathode contact of main relay, the negative pole end contact of preliminary filling relay is electrically connected with the outer precharge output port of box body.
6. a kind of used in new energy vehicles high voltage source distributor disk assembly according to claim 1, it is characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001535.5A CN104505782A (en) | 2015-01-04 | 2015-01-04 | High-voltage power supply distribution box assembly for new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001535.5A CN104505782A (en) | 2015-01-04 | 2015-01-04 | High-voltage power supply distribution box assembly for new energy vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN104505782A true CN104505782A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510001535.5A Pending CN104505782A (en) | 2015-01-04 | 2015-01-04 | High-voltage power supply distribution box assembly for new energy vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140787A (en) * | 2015-09-21 | 2015-12-09 | 四川永贵科技有限公司 | High-voltage power supply distribution box assembly |
| CN106207899A (en) * | 2016-08-30 | 2016-12-07 | 四川永贵科技有限公司 | High voltage distribution box |
| CN106300037A (en) * | 2016-08-25 | 2017-01-04 | 四川永贵科技有限公司 | High voltage power supply distributor disk |
Citations (7)
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|---|---|---|---|---|
| US6340848B1 (en) * | 1999-05-12 | 2002-01-22 | Yazaki Corporation | On-vehicle distribution box and distribution system |
| CN202076741U (en) * | 2011-06-14 | 2011-12-14 | 天津科斯特汽车技术有限责任公司 | Direct-current power supply distribution box of pure electric car |
| CN202217914U (en) * | 2011-08-19 | 2012-05-09 | 东风汽车股份有限公司 | High-voltage distribution box for pure electric vehicle |
| CN202474546U (en) * | 2011-12-29 | 2012-10-03 | 海马轿车有限公司 | High-voltage distribution box for electric automobile |
| CN202633778U (en) * | 2012-06-28 | 2012-12-26 | 潍柴动力股份有限公司 | General electric automobile high voltage distribution box |
| CN202888748U (en) * | 2012-10-19 | 2013-04-17 | 万向电动汽车有限公司 | High-voltage conjunction box |
| CN104158098A (en) * | 2014-08-19 | 2014-11-19 | 四川永贵科技有限公司 | Electric automobile high voltage distribution box |
-
2015
- 2015-01-04 CN CN201510001535.5A patent/CN104505782A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340848B1 (en) * | 1999-05-12 | 2002-01-22 | Yazaki Corporation | On-vehicle distribution box and distribution system |
| CN202076741U (en) * | 2011-06-14 | 2011-12-14 | 天津科斯特汽车技术有限责任公司 | Direct-current power supply distribution box of pure electric car |
| CN202217914U (en) * | 2011-08-19 | 2012-05-09 | 东风汽车股份有限公司 | High-voltage distribution box for pure electric vehicle |
| CN202474546U (en) * | 2011-12-29 | 2012-10-03 | 海马轿车有限公司 | High-voltage distribution box for electric automobile |
| CN202633778U (en) * | 2012-06-28 | 2012-12-26 | 潍柴动力股份有限公司 | General electric automobile high voltage distribution box |
| CN202888748U (en) * | 2012-10-19 | 2013-04-17 | 万向电动汽车有限公司 | High-voltage conjunction box |
| CN104158098A (en) * | 2014-08-19 | 2014-11-19 | 四川永贵科技有限公司 | Electric automobile high voltage distribution box |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140787A (en) * | 2015-09-21 | 2015-12-09 | 四川永贵科技有限公司 | High-voltage power supply distribution box assembly |
| CN106300037A (en) * | 2016-08-25 | 2017-01-04 | 四川永贵科技有限公司 | High voltage power supply distributor disk |
| CN106207899A (en) * | 2016-08-30 | 2016-12-07 | 四川永贵科技有限公司 | High voltage distribution box |
| CN106207899B (en) * | 2016-08-30 | 2018-08-17 | 四川永贵科技有限公司 | High voltage distribution box |
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Application publication date: 20150408 |