CN204088930U - A kind of electric automobile high-voltage block terminal - Google Patents
A kind of electric automobile high-voltage block terminal Download PDFInfo
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- CN204088930U CN204088930U CN201420469354.6U CN201420469354U CN204088930U CN 204088930 U CN204088930 U CN 204088930U CN 201420469354 U CN201420469354 U CN 201420469354U CN 204088930 U CN204088930 U CN 204088930U
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- connectivity port
- electrically connected
- voltage
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- circuit protector
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of electric automobile high-voltage block terminal, comprise box body, lid, and be embedded in the foaming sealing cord of lid inside, box body, lid, foaming sealing cord form hermetically-sealed construction.Box portion outside is provided with some Wiring ports.Tray interior is provided with high voltage power distribution module, and high voltage power distribution module comprises control unit, preliminary filling unit and power distribution unit.Control unit comprises main relay, and precharge unit comprises pre-charge-relay, pre-charge resistance, and power distribution unit comprises the switching piece that confluxes, main line short-circuit protector, branch, short-circuit protector.This device integration degree is high, reduce the volume of high voltage distribution box, 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; There are good waterproof and dust-proof effect; Assembly is reasonable, and production cost is low; Power distribution is reasonable, loss capable of reducing power source.
Description
Technical field
The utility model belongs to New-energy electric vehicle high-voltage electric system field; Particularly relate to a kind of electric automobile high-voltage block terminal.
Background technology
Along with day by day serious environmental problem and energy crisis, new-energy automobile arises at the historic moment in this context.New-energy automobile provides main energy sources primarily of battery system, and the energy source of whole system is responsible for transmission by high-voltage electric system.High voltage distribution box is the core building block of electric automobile high-voltage electrical system, its Main Function is the break-make being controlled internal high pressure relay by outer low pressure control loop, by the high-voltage DC power supply of electrokinetic cell according to high voltage source distributor disk indoor design circuit, driving is connected together with a series of high pressure building block such as electric machine controller, Vehicular charger, air-conditioning, DC voltage changer (DC/DC) of steer motor.
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 terminal, 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, and 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 coarse formula control mode of this dispersion is due to its fail safe and maintainability is lower etc. that unfavorable factor is subject to market gradually.
Therefore, the design of New-energy electric vehicle high voltage source distributor disk is just towards safe, integrated future development.
Utility model content
The purpose of this utility model is intended to overcome above-mentioned deficiency of the prior art, develops security performance and integrated higher electric automobile high-voltage block terminal.
In order to reach above-mentioned technique effect, the utility model takes following technical scheme: a kind of electric automobile high-voltage block terminal, comprises box body, lid, and is embedded in the foaming sealing cord of described lid inside.When described box body and lid fasten, foaming sealing cord is squeezed, and plays waterproof and dustproof effect.Described box body, lid, foaming sealing cord form hermetically-sealed construction.Described box portion outside is provided with some Wiring ports, described Wiring port comprises charger connectivity port, DC voltage changer (DC/DC) connectivity port, electric machine controller anode connection terminal mouth, air-conditioning and anode connectivity port, electric machine controller negative pole connectivity port, battery cathode connectivity port.Described tray interior is provided with high voltage power distribution module; described high voltage power distribution module comprises control unit, preliminary filling unit and power distribution unit; described control unit comprises main relay; described precharge unit comprises pre-charge-relay, pre-charge resistance, and described power distribution unit comprises the switching piece that confluxes, main line short-circuit protector, the first branch, short-circuit protector and the second branch, short-circuit protector.
Anode is electrically connected with the positive pole of described main line short-circuit protector by described air-conditioning and anode connectivity port; The negative pole of described main line short-circuit protector is electrically connected with the positive pole of described main relay cathode contact, described first branch, short-circuit protector, the second branch, short-circuit protector; The negative pole of described main line short-circuit protector is electrically connected with charger positive pole by described charger connectivity port.
The cathode contact of described main relay is electrically connected with electric machine controller positive pole by described electric machine controller anode connection terminal mouth; The negative pole of described first branch, short-circuit protector is electrically connected with air-conditioning positive pole by described air-conditioning and anode connectivity port; The negative pole of described second branch, short-circuit protector is electrically connected with DC voltage changer (DC/DC) positive pole by described DC voltage changer connectivity port.
Described pre-charge-relay cathode contact is electrically connected with described main relay cathode contact, and described pre-charge-relay cathode contact is electrically connected with described preliminary filling resistance contact point a, and preliminary filling resistance contact point b is electrically connected with described main relay cathode contact.
Conflux described in battery cathode is electrically connected to by described connectivity port switching piece, is connected after shunting respectively by described air-conditioning with anode connectivity port, charger connectivity port, DC voltage changer (DC/DC) connectivity port, electric machine controller negative pole connectivity port with described air-conditioning negative pole, charger negative pole, DC voltage changer (DC/DC) negative pole, electric machine controller negative electricity.
Further, described box body end face is provided with low-voltage signal control connection port, and described main relay conducting confirmation signal, pre-charge-relay conducting confirmation signal and common port signal control port in succession by described low-voltage signal and be electrically connected with battery management system.
Further, in described lid, establish mounting groove, for inlaying described foaming sealing cord.
Further, described box body, lid adopt aluminium alloy compression casting to form.
The utility model compared with prior art, there is following beneficial effect: integration degree is high, reduce the volume of high voltage distribution box, by described control unit, preliminary filling unit, short-circuit protection 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; There are good waterproof and dust-proof effect; Assembly is reasonable, and production cost is low; Power distribution is reasonable, loss capable of reducing power source.
Accompanying drawing explanation
Fig. 1 is the utility model interior layout figure;
Fig. 2 is the utility model external cabling port layout;
Fig. 3 is the utility model electrical schematic diagram.
Embodiment
Below in conjunction with embodiment of the present utility model, the utility model is further elaborated.
Embodiment one:
See Fig. 1-2, a kind of electric automobile high-voltage block terminal, comprises the box body, the lid that adopt aluminium alloy compression casting, and is embedded in the foaming sealing cord of lid inside, and box body, lid, foaming sealing cord form hermetically-sealed construction.Box portion outside is provided with charger connectivity port 2, DC voltage changer (DC/DC) connectivity port 3, electric machine controller anode connection terminal mouth 4, air-conditioning and anode connectivity port 5, electric machine controller negative pole connectivity port 6, battery cathode connectivity port 7.Tray interior is provided with high voltage power distribution module; high voltage power distribution module comprises control unit, preliminary filling unit and power distribution unit; control unit comprises main relay 8; precharge unit comprises pre-charge-relay 10, pre-charge resistance 11, and power distribution unit comprises the switching piece 28 that confluxes, main line short-circuit protector 22, first branch, short-circuit protector 23 and the second branch, short-circuit protector 24.
Anode 21 is electrically connected with the positive pole of main line short-circuit protector 22 by air-conditioning and anode connectivity port 5 through high-voltage wiring harness; Electric current is after main line short-circuit protector 22, and through the first branch, short-circuit protector 23, second branch, short-circuit protector 24, high-voltage insurance device is selected on main line, branch, short-circuit protector.
The negative pole of main line short-circuit protector 22 is electrically connected with the positive pole of main relay 8 cathode contact, the first branch, short-circuit protector 23, second branch, short-circuit protector 24; The negative pole of main line short-circuit protector 22 is electrically connected with charger positive pole 27 by charger connectivity port 2.
The cathode contact of main relay 8 is electrically connected with electric machine controller positive pole 9 by electric machine controller anode connection terminal mouth 4; The negative pole of the first branch, short-circuit protector 23 is electrically connected with air-conditioning positive pole 26 by air-conditioning and anode connectivity port 5; The negative pole of the second branch, short-circuit protector 24 is electrically connected with DC voltage changer (DC/DC) positive pole 25 by DC voltage changer connectivity port 3.
Pre-charge-relay 10 cathode contact is electrically connected with main relay 8 cathode contact, and pre-charge-relay 10 cathode contact is electrically connected with preliminary filling resistance 11 contact a, and preliminary filling resistance 11 contact b is electrically connected with main relay 8 cathode contact.
Battery cathode 12, be electrically connected to by connectivity port 7 switching piece 28 that confluxes, be electrically connected with air-conditioning negative pole 13, charger negative pole 14, DC voltage changer (DC/DC) negative pole 15, electric machine controller negative pole 16 respectively respectively by air-conditioning and anode connectivity port 5, charger connectivity port 2, DC voltage changer connectivity port 3, electric machine controller negative pole connectivity port 6 after shunting.
Embodiment two:
See Fig. 1-2, a kind of electric automobile high-voltage block terminal, comprises the box body, the lid that adopt aluminium alloy compression casting, is provided with mounting groove in lid, and foaming sealing cord is embedded in lid mounting groove, and box body, lid, foaming sealing cord form hermetically-sealed construction.Box portion outside is provided with low-voltage signal control connection port one, charger connectivity port 2, DC voltage changer (DC/DC) connectivity port 3, electric machine controller anode connection terminal mouth 4, air-conditioning and anode connectivity port 5, electric machine controller negative pole connectivity port 6, battery cathode connectivity port 7.Tray interior is provided with high voltage power distribution module; high voltage power distribution module comprises control unit, preliminary filling unit and power distribution unit; control unit comprises main relay 8; precharge unit comprises pre-charge-relay 10, pre-charge resistance 11, and power distribution unit comprises the switching piece 28 that confluxes, main line short-circuit protector 22, first branch, short-circuit protector 23 and the second branch, short-circuit protector 24.
Anode 21 is electrically connected with the positive pole of main line short-circuit protector 22 by air-conditioning and anode connectivity port 5 through high-voltage wiring harness; Electric current is after main line short-circuit protector 22, and through the first branch, short-circuit protector 23, second branch, short-circuit protector 24, high-voltage insurance device is selected on main line, branch, short-circuit protector.
The negative pole of main line short-circuit protector 22 is electrically connected with the positive pole of main relay 8 cathode contact, the first branch, short-circuit protector 23, second branch, short-circuit protector 24; The negative pole of main line short-circuit protector 22 is electrically connected with charger positive pole 27 by charger connectivity port 2.
The cathode contact of main relay 8 is electrically connected with electric machine controller positive pole 9 by electric machine controller anode connection terminal mouth 4; The negative pole of the first branch, short-circuit protector 23 is electrically connected with air-conditioning positive pole 26 by air-conditioning and anode connectivity port 5; The negative pole of the second branch, short-circuit protector 24 is electrically connected with DC voltage changer (DC/DC) positive pole 25 by DC voltage changer connectivity port 3.
Pre-charge-relay 10 cathode contact is electrically connected with main relay 8 cathode contact, and pre-charge-relay 10 cathode contact is electrically connected with preliminary filling resistance 11 contact a, and preliminary filling resistance 11 contact b is electrically connected with main relay 8 cathode contact.
Main relay 8 conducting confirmation signal A, pre-charge-relay 10 conducting confirmation signal B and common port signal C control port one in succession by low-voltage signal and are electrically connected with battery management system.
Battery cathode 12, be electrically connected to by connectivity port 7 switching piece 28 that confluxes, connect port 5, charger connectivity port 2, DC voltage changer connectivity port 3, electric machine controller negative pole connectivity port 6 respectively by company's air-conditioning and anode after shunting and be electrically connected with air-conditioning negative pole 13, charger negative pole 14, DC voltage changer (DC/DC) negative pole 15, electric machine controller negative pole 16 respectively.
Be understandable that, the illustrative embodiments that above execution mode is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection range of the present utility model.
Claims (5)
1. an electric automobile high-voltage block terminal, it comprises box body, lid, it is characterized in that it also comprises: the foaming sealing cord being embedded in described lid inside, and described box body, lid, foaming sealing cord form hermetically-sealed construction; Described box portion outside is provided with some Wiring ports, described Wiring port comprises charger connectivity port (2), DC voltage changer connectivity port (3), electric machine controller anode connection terminal mouth (4), air-conditioning and anode connectivity port (5), electric machine controller negative pole connectivity port (6), battery cathode connectivity port (7); Described tray interior is provided with high voltage power distribution module, described high voltage power distribution module comprises control unit, preliminary filling unit and power distribution unit, described control unit comprises main relay (8), described precharge unit comprises pre-charge-relay (10), pre-charge resistance (11), and described power distribution unit comprises the switching piece that confluxes (28), main line short-circuit protector (22), the first branch, short-circuit protector (23) and the second branch, short-circuit protector (24);
Anode (21) is electrically connected with the positive pole on described main line short-circuit protector (22) by described air-conditioning and anode connectivity port (5);
The negative pole on described main line short-circuit protector (22) is electrically connected with the positive pole of described main relay (8) cathode contact, described first branch, short-circuit protector (23), the second branch, short-circuit protector (24); The negative pole on described main line short-circuit protector (22) is electrically connected with charger positive pole (27) by described charger connectivity port (2);
The cathode contact of described main relay (8) is electrically connected with electric machine controller positive pole (9) by described electric machine controller anode connection terminal mouth (4);
The negative pole of described first branch, short-circuit protector (23) is electrically connected with air-conditioning positive pole (26) by described air-conditioning and anode connectivity port (5);
The negative pole of described second branch, short-circuit protector (24) is electrically connected with DC voltage changer positive pole (25) by described DC voltage changer connectivity port (3);
Described pre-charge-relay (10) cathode contact is electrically connected with described main relay (8) cathode contact, described pre-charge-relay (10) cathode contact is electrically connected with described preliminary filling resistance (11) contact a, and preliminary filling resistance (11) contact b is electrically connected with described main relay (8) cathode contact;
Conflux described in battery cathode (12) is electrically connected to by described connectivity port (7) switching piece (28), is electrically connected respectively after shunting respectively by described air-conditioning and anode connectivity port (5), charger connectivity port (2), DC voltage changer connectivity port (3), electric machine controller negative pole connectivity port (6) with described air-conditioning negative pole (13), charger negative pole (14), DC voltage changer negative pole (15), electric machine controller negative pole (16).
2. a kind of electric automobile high-voltage block terminal according to claim 1, is characterized in that: described box body end face is provided with low-voltage signal control connection port (1).
3. a kind of electric automobile high-voltage block terminal according to claim 2, is characterized in that: described main relay (8) conducting confirmation signal A, pre-charge-relay (10) conducting confirmation signal B and common port signal C control port (1) in succession by described low-voltage signal and be electrically connected with battery management system.
4. a kind of electric automobile high-voltage block terminal according to any one of claims 1 to 3, is characterized in that: establish mounting groove in described lid, for inlaying described foaming sealing cord.
5. a kind of electric automobile high-voltage block terminal according to any one of claims 1 to 3, is characterized in that: described box body, lid adopt aluminium alloy compression casting to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469354.6U CN204088930U (en) | 2014-08-19 | 2014-08-19 | A kind of electric automobile high-voltage block terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469354.6U CN204088930U (en) | 2014-08-19 | 2014-08-19 | A kind of electric automobile high-voltage block terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088930U true CN204088930U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420469354.6U Expired - Fee Related CN204088930U (en) | 2014-08-19 | 2014-08-19 | A kind of electric automobile high-voltage block terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158098A (en) * | 2014-08-19 | 2014-11-19 | 四川永贵科技有限公司 | Electric automobile high voltage distribution box |
| CN111162233A (en) * | 2020-01-02 | 2020-05-15 | 广汽新能源汽车有限公司 | Battery pack, charging system and automobile |
-
2014
- 2014-08-19 CN CN201420469354.6U patent/CN204088930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158098A (en) * | 2014-08-19 | 2014-11-19 | 四川永贵科技有限公司 | Electric automobile high voltage distribution box |
| CN111162233A (en) * | 2020-01-02 | 2020-05-15 | 广汽新能源汽车有限公司 | Battery pack, charging system and automobile |
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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: 20150107 Termination date: 20200819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |