CN202042798U - High-voltage power distribution system for electric automobiles - Google Patents
High-voltage power distribution system for electric automobiles Download PDFInfo
- Publication number
- CN202042798U CN202042798U CN2011200565348U CN201120056534U CN202042798U CN 202042798 U CN202042798 U CN 202042798U CN 2011200565348 U CN2011200565348 U CN 2011200565348U CN 201120056534 U CN201120056534 U CN 201120056534U CN 202042798 U CN202042798 U CN 202042798U
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- contactor
- annex
- current fuse
- charger
- main
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Abstract
The utility model provides a high-voltage power distribution system for electric automobiles, which comprises a main contactor, an attachment contactor, a charging contactor, a current fuse and a negative electrode sharing end. The current fuse comprises an attachment current fuse and a main-path current fuse, and the number of the attachment current fuse equals to that of vehicle-mounted electrical equipment. The main contactor is controlled by precharged feedback signals of a motor controller, only after the main contactor is pulled in, a power battery pack can supply power for the motor controller. A precharged contactor is controlled by an automobile key, after the precharged contactor is pulled in, the power battery pack conducts precharge on the motor controller and supplies power for the vehicle-mounted electrical equipment. A charger contactor is controller by a charger with 24 volts, only after the charger contactor is pulled in, the charger can charge for the power battery pack. Pull-in coils of the main contactor and the precharged contactor are respectively in series connection with two pairs of normally closed contacts of the charger contactor, and a logical relation exists among the main contactor, the precharged contactor and the charger contactor, namely, when the charger contactor works, the main contactor and the precharged contactor do not work.
Description
Technical field
The utility model relates to a kind of used for electric vehicle high tension distribution system.
Background technology
Electric automobile is meant with the vehicle power to be power, the vehicle that travels with power wheel.Power supply provides electric energy for the drive motor of electric automobile, and motor is converted into mechanical energy with the electric energy of power supply, by transmission device or direct drive wheels and equipment.The electric equipment quantity of electric automobile is more than conventional truck, and car load is also introduced high voltage power transmisson system except low-voltage power supply system.Therefore, high tension distribution system is the indispensable pith of electric automobile, and fail safe, controllability, ease for maintenance are also had higher requirement.
Disclose a kind of fuel cell automobile electrical system distribution box among the patent CN201365068A, comprised low-voltage distribution system and high tension distribution system, controlled by between high voltage bus and each electric apparatus mounted on vehicle, adding a high-voltage relay.
The utility model content
The technical problems to be solved in the utility model is: a kind of used for electric vehicle high tension distribution system is provided.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: the used for electric vehicle high tension distribution system is characterized in that: it comprises main contactor, annex contactor, charging contactor, current fuse, negative pole common terminal; Described current fuse comprises annex current fuse and main road current fuse, and the quantity of annex current fuse equates with electric apparatus mounted on vehicle;
The positive pole of power battery pack is connected with described main contactor, annex contactor and charging contactor contact one end respectively by behind a current fuse; The main contactor contact other end is connected with electric machine controller, and the annex probe of contactor other end is connected with the annex current fuse respectively, and the charging contactor contact other end is connected with charger is anodal; The negative pole of power battery pack, electric machine controller, annex and charger is connected with the negative pole common terminal respectively;
The control coil of described main contactor is connected with electric machine controller;
The control coil of described annex contactor is connected with ignition switch; Annex contactor other end contact is connected with the positive pole of electric apparatus mounted on vehicle by described annex current fuse, and the negative pole of electric apparatus mounted on vehicle is connected with the negative pole common terminal;
The control coil of described charging contactor is connected with charger 24V voltage end.
Press such scheme, be connected a pair of normally-closed contact of described charging contactor between the control coil of described main contactor and the electric machine controller; Be connected the another of described charging contactor between the control coil of described annex contactor and the ignition switch to normally-closed contact.
Press such scheme, the control coil two ends of described each contactor diode all in parallel.
Press such scheme, described electric apparatus mounted on vehicle comprises air-conditioning, steering pump, air pump and dc voltage changer.
Press such scheme, it is arranged in the power distribution cabinet; Be provided with insulation board and compartment in the power distribution cabinet, the top of insulation board from left to right arrange successively described main contactor, annex contactor and charging contactor, the below of insulation board from left to right arrange successively described main road current fuse, annex current fuse and compartment; Described insulation board top is provided with a copper bar, is connected usefulness for the main road current fuse with main contactor, annex contactor and charging contactor contact.
Press such scheme, the described main contactor left side is provided with fan, and fan power supply is connected with the control coil of main contactor.
Press such scheme, described compartment end cap is provided with 1 line bank that is used for low-voltage circuit; The side of compartment is provided with the hole that current supply cable passes; The port that described line bank is connected with charger 24V voltage end as the control coil of described annex contactor and the control coil of ignition switch, charging contactor.
Operation principle of the present utility model is: main contactor is by the preliminary filling feedback signal control of electric machine controller, and after its adhesive, power battery pack could be given the power supply of electric machine controller main circuit; The annex contactor is by car key control ignition switch, and after its adhesive, power battery pack is carried out precharge to electric machine controller, and powers to electric apparatus mounted on vehicle; Charging contactor is by the control of charger 24V voltage end, and before the charging contactor adhesive, the vehicle-mounted charge mouth is uncharged, and after its adhesive, charger could charge to power battery pack; The control coil of main contactor, annex contactor is connected with two pairs of normally-closed contacts of charging contactor respectively, be there to be a logical relation between the three, when charging contactor is closed, the auxiliary contact that the control coil loop of main contactor, annex contactor will be recharged contactor cut off, and promptly main contactor and annex contactor are idle.
The beneficial effects of the utility model are:
1, controls different equipment by different contactors, between power battery pack positive pole and each probe of contactor, increase the main road current fuse, between annex contactor and each electric apparatus mounted on vehicle, increase annex current fuse, the fail safe that has improved this high tension distribution system.
2, contactor is carried out the logical relation setting, strengthened the controllability and the fail safe of electric automobile.
3, this high tension distribution system reasonably is arranged in the power distribution cabinet, and increases fan and dispel the heat, and has improved the stability of this high tension distribution system and maintainable.
Description of drawings
Fig. 1 is the circuit diagram of the utility model one embodiment.
Fig. 2 is the structural representation of the utility model one embodiment.
Fig. 3 is a compartment internal structure schematic diagram.
Among the figure: 1-43 is a binding post, and J1-J10 is the M6*25*28 insulated terminal, and I1-I2 is the M10*28*40 insulated terminal, FU1 is the main road current fuse, and FU2-FU5 is the annex current fuse, and K is a switch, K1 is a main contactor, K2 is the annex contactor, and K3 is a charging contactor, and P1-P3 is a diode, T is a compartment, W is a line bank, and F is a fan, and HG is the negative pole common terminal.
Embodiment
Fig. 1 is the circuit diagram of the utility model one embodiment, Fig. 2 is the structural representation of the utility model one embodiment, it comprises main contactor K1, annex contactor K2, charging contactor K3, main road current fuse FU1, annex current fuse FU2-FU5, specification is the insulated terminal J1-J10 of M6*25*28, specification is M10*28*40 insulated terminal I1-I2, fan F(model: RD6015), diode P1-P3(specification: In4007), compartment T, line bank W(model: TB-2510L), negative pole common terminal HG, copper bar, cable (50mm
2), cable (6mm
2), cable (4mm
2), lead (1mm
2).
This high tension distribution system is arranged in the power distribution cabinet, and its critical piece is distributed in a 390*320*10mm
3Insulation board on, the top of insulation board is three contactors, keep left be main contactor K1, placed in the middle be annex contactor K2, that keep right is charging contactor K3, is the fan F that is used to dispel the heat on the left side of the control coil of K1; The lower left of plate is current fuse FU1, is fixed on the insulation board by insulated terminal I1 and I2; The lower right is compartment T, and the box the inside is that a copper bar is negative pole common terminal HG, and the two also is to be fixed together by insulated terminal and insulation board, the downside perforate of compartment, to make things convenient for the connection of cable, fixed a line bank W on the end cap of compartment, be used for low-voltage circuit.
Binding post 3,4,5,6,7 is linked to each other by a copper bar, and binding post 8 is linked to each other by another copper bar with 9; The positive pole of power battery pack is connected the back and links to each other with binding post 1 with K switch, arrive binding post 2 by current fuse FU1, with cable binding post 2 is linked to each other with 3 again; K1 is a main contactor, and its binding post 8 or 9 links to each other with the positive pole of electric machine controller; K2 is the annex contactor, its binding post 10 is that binding post 12,13,14,15 links to each other with the end of current fuse FU2, FU3, FU4, FU5 respectively by cable, and binding post 10 also links to each other with the precharge terminals of electric machine controller, and the binding post 16 of fuse connects the positive pole of air conditioner compressed pump, binding post 17 connects the positive pole of steering pump, binding post 18 connects the positive pole of air pressure pump, and it is dc voltage changer that binding post 19 meets DC/DC() positive pole; K3 is a charging contactor, and its binding post 11 links to each other with the positive pole of charger; The negative pole of the negative pole of battery pack, the negative pole of electric machine controller, charger, air-conditioning negative pole, steering pump negative pole, air pump negative pole and DC/DC negative pole are all received on the binding post 44; W is a line bank, its binding post 32,33,34,35,36,37 links to each other with the winding wiring terminal 21,20,23,22,25,24 of contactor respectively, and a pair of normally-closed contact of the charging contactor K3 that all connected between binding post 20 is with 33 and 22 and 35 is 20-27-28-33,22-26-29-35, be there to be a logical relation, when being charging contactor K3 work, main contactor K1 and annex contactor K2 are idle; Binding post 38 connects the negative pole of electric machine controller preliminary filling feedback, binding post 39 connects the positive pole of preliminary filling feedback, and binding post 40 connects car key ON shelves negative pole, and binding post 41 connects car key ON shelves positive pole, binding post 42 connects charger 24V positive pole, and binding post 43 connects charger 24V voltage end negative pole; The positive pole of fan F links to each other with binding post 39, and negative pole links to each other with binding post 38; Diode P1, P2, P3 respectively with the coils from parallel connection of coils of contactor K1, K2, K3, and all be point to by negative pole anodal.
Fig. 3 is a compartment internal structure schematic diagram, is provided with negative pole common terminal HG in the described compartment, and negative pole common terminal HG two ends are fixed on the described insulation board by insulated terminal J9 and J10, on the negative pole common terminal HG binding post 44 are set.
In the present embodiment, K1 selects contactor CZ28-160D/20 for use, K2 selects contactor CZ28-100/10 for use, K3 selects contactor CZ28-100/10 for use, FU1-FU3 selects current fuse RGS4(1000V/50A for use), FU4 selects current fuse RGS77(1000V/63A for use), FU5 selects current fuse RGS77(1000V/500A for use), the line bank model is TB-2510L, and compartment is No. 4 compartment.
Claims (7)
1. used for electric vehicle high tension distribution system, it is characterized in that: it comprises main contactor, annex contactor, charging contactor, current fuse, negative pole common terminal; Described current fuse comprises annex current fuse and main road current fuse, and the quantity of annex current fuse equates with electric apparatus mounted on vehicle;
The positive pole of power battery pack is connected with described main contactor, annex contactor and charging contactor contact one end respectively by behind a current fuse; The main contactor contact other end is connected with electric machine controller, and the annex probe of contactor other end is connected with the annex current fuse respectively, and the charging contactor contact other end is connected with charger is anodal; The negative pole of power battery pack, electric machine controller, annex and charger is connected with the negative pole common terminal respectively;
The control coil of described main contactor is connected with electric machine controller;
The control coil of described annex contactor is connected with ignition switch; Annex contactor other end contact is connected with the positive pole of electric apparatus mounted on vehicle by described annex current fuse, and the negative pole of electric apparatus mounted on vehicle is connected with the negative pole common terminal;
The control coil of described charging contactor is connected with charger 24V voltage end.
2. used for electric vehicle high tension distribution system according to claim 1 is characterized in that: a pair of normally-closed contact that is connected described charging contactor between the control coil of described main contactor and the electric machine controller; Be connected the another of described charging contactor between the control coil of described annex contactor and the ignition switch to normally-closed contact.
3. used for electric vehicle high tension distribution system according to claim 1 is characterized in that: the control coil two ends of described each contactor diode all in parallel.
4. according to claim 1 or 2 or 3 described used for electric vehicle high tension distribution systems, it is characterized in that: described electric apparatus mounted on vehicle comprises air-conditioning, steering pump, air pump and dc voltage changer.
5. according to claim 1 or 2 or 3 described used for electric vehicle high tension distribution systems, it is characterized in that: it is arranged in the power distribution cabinet; Be provided with insulation board and compartment in the power distribution cabinet, the top of insulation board from left to right arrange successively described main contactor, annex contactor and charging contactor, the below of insulation board from left to right arrange successively described main road current fuse, annex current fuse and compartment; Described insulation board top is provided with a copper bar, is connected usefulness for the main road current fuse with main contactor, annex contactor and charging contactor contact.
6. used for electric vehicle high tension distribution system according to claim 5 is characterized in that: the described main contactor left side is provided with fan, and fan power supply is connected with the control coil of main contactor.
7. used for electric vehicle high tension distribution system according to claim 5 is characterized in that: described compartment end cap is provided with 1 line bank that is used for low-voltage circuit; The side of compartment is provided with the hole that current supply cable passes; The port that described line bank is connected with charger 24V voltage end as the control coil of described annex contactor and the control coil of ignition switch, charging contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200565348U CN202042798U (en) | 2011-03-07 | 2011-03-07 | High-voltage power distribution system for electric automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200565348U CN202042798U (en) | 2011-03-07 | 2011-03-07 | High-voltage power distribution system for electric automobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042798U true CN202042798U (en) | 2011-11-16 |
Family
ID=44970224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200565348U Expired - Lifetime CN202042798U (en) | 2011-03-07 | 2011-03-07 | High-voltage power distribution system for electric automobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202042798U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398524A (en) * | 2011-11-17 | 2012-04-04 | 中航锂电（洛阳）有限公司 | Power management device for electromobile |
| CN102416882A (en) * | 2011-12-05 | 2012-04-18 | 郑州宇通客车股份有限公司 | High-tension distribution box for pure electric vehicle |
| CN102826017A (en) * | 2012-09-06 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | High-voltage safety protection system of electromobile |
| CN102856797A (en) * | 2012-09-13 | 2013-01-02 | 安徽江淮汽车股份有限公司 | Easy-to-maintain compact high-voltage distribution box |
| CN102923070A (en) * | 2012-10-26 | 2013-02-13 | 武汉理工通宇新源动力有限公司 | High-voltage power distribution system for electric automobile |
| CN103660955A (en) * | 2013-12-26 | 2014-03-26 | 东风商用车有限公司 | High voltage system protection device of hybrid power electric vehicle and using method thereof |
| CN103879291A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Vehicle safety device |
| CN104163117A (en) * | 2013-08-28 | 2014-11-26 | 郑州宇通客车股份有限公司 | Electromobile and electronic control device integration device thereof |
| CN104960434A (en) * | 2014-03-24 | 2015-10-07 | 福特全球技术公司 | HV relay sticking control system and method |
| CN106114424A (en) * | 2016-08-30 | 2016-11-16 | 四川永贵科技有限公司 | Used in new energy vehicles high voltage power supply distributor disk assembly |
| CN107719126A (en) * | 2016-08-11 | 2018-02-23 | 湖南中车时代电动汽车股份有限公司 | A kind of plug-in hybrid-power automobile high-pressure control device and its high pressure powering method |
| CN107933310A (en) * | 2017-11-22 | 2018-04-20 | 江西昌河汽车有限责任公司 | Electric automobile high-voltage distribution system |
-
2011
- 2011-03-07 CN CN2011200565348U patent/CN202042798U/en not_active Expired - Lifetime
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398524A (en) * | 2011-11-17 | 2012-04-04 | 中航锂电（洛阳）有限公司 | Power management device for electromobile |
| CN102416882A (en) * | 2011-12-05 | 2012-04-18 | 郑州宇通客车股份有限公司 | High-tension distribution box for pure electric vehicle |
| CN102416882B (en) * | 2011-12-05 | 2014-08-13 | 郑州宇通客车股份有限公司 | High-tension distribution box for pure electric vehicle |
| CN102826017B (en) * | 2012-09-06 | 2015-02-11 | 浙江吉利汽车研究院有限公司杭州分公司 | High-voltage safety protection system of electromobile |
| CN102826017A (en) * | 2012-09-06 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | High-voltage safety protection system of electromobile |
| CN102856797A (en) * | 2012-09-13 | 2013-01-02 | 安徽江淮汽车股份有限公司 | Easy-to-maintain compact high-voltage distribution box |
| CN102856797B (en) * | 2012-09-13 | 2015-04-08 | 安徽江淮汽车股份有限公司 | Easy-to-maintain compact high-voltage distribution box |
| CN102923070A (en) * | 2012-10-26 | 2013-02-13 | 武汉理工通宇新源动力有限公司 | High-voltage power distribution system for electric automobile |
| CN102923070B (en) * | 2012-10-26 | 2014-10-29 | 武汉理工通宇新源动力有限公司 | High-voltage power distribution system for electric automobile |
| CN103879291A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Vehicle safety device |
| CN103879291B (en) * | 2012-12-20 | 2016-03-30 | 北汽福田汽车股份有限公司 | A kind of safety device of vehicle |
| CN104163117A (en) * | 2013-08-28 | 2014-11-26 | 郑州宇通客车股份有限公司 | Electromobile and electronic control device integration device thereof |
| CN104163117B (en) * | 2013-08-28 | 2017-11-14 | 郑州宇通客车股份有限公司 | Electric automobile and its automatically controlled device integrating device |
| CN103660955A (en) * | 2013-12-26 | 2014-03-26 | 东风商用车有限公司 | High voltage system protection device of hybrid power electric vehicle and using method thereof |
| CN103660955B (en) * | 2013-12-26 | 2015-10-14 | 东风商用车有限公司 | A kind of hybrid electric vehicle High voltage system protection device and using method thereof |
| CN104960434A (en) * | 2014-03-24 | 2015-10-07 | 福特全球技术公司 | HV relay sticking control system and method |
| CN104960434B (en) * | 2014-03-24 | 2019-02-22 | 福特全球技术公司 | HV relay sticking control system and method |
| CN107719126A (en) * | 2016-08-11 | 2018-02-23 | 湖南中车时代电动汽车股份有限公司 | A kind of plug-in hybrid-power automobile high-pressure control device and its high pressure powering method |
| CN107719126B (en) * | 2016-08-11 | 2020-05-05 | 湖南中车时代电动汽车股份有限公司 | High-voltage control device of plug-in hybrid electric vehicle and high-voltage electrifying method thereof |
| CN106114424A (en) * | 2016-08-30 | 2016-11-16 | 四川永贵科技有限公司 | Used in new energy vehicles high voltage power supply distributor disk assembly |
| CN106114424B (en) * | 2016-08-30 | 2019-02-22 | 四川永贵科技有限公司 | Used in new energy vehicles high voltage power supply distributes cartridge |
| CN107933310A (en) * | 2017-11-22 | 2018-04-20 | 江西昌河汽车有限责任公司 | Electric automobile high-voltage distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |
|
| CX01 | Expiry of patent term |