CN204258206U - A kind of electric vehicle junction box - Google Patents
A kind of electric vehicle junction box Download PDFInfo
- Publication number
- CN204258206U CN204258206U CN201420723547.XU CN201420723547U CN204258206U CN 204258206 U CN204258206 U CN 204258206U CN 201420723547 U CN201420723547 U CN 201420723547U CN 204258206 U CN204258206 U CN 204258206U
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- electric vehicle
- junction box
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- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 7
- 230000005684 electric field Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a kind of electric vehicle junction box, belongs to vehicle electric field.Its solves electrical appliance in prior art and needs be connected with power supply separately and cause that cost is higher, the problem of winding displacement inconvenient maintenance.This electric vehicle junction box comprises box body, box body first side is provided with the inlet wire positive terminal and inlet wire negative pole end that are connected with battery system, box body second side is provided with some output ports, some output ports and the positive and negative extreme parallel connection of inlet wire form branch road, box body the 3rd side is provided with communication interface, each described branch road is all in series with fuse and relay switch, and relay switch is all connected with communication interface with fuse.This electric vehicle junction box meets the power demands of different electrical appliance, is convenient to winding displacement and maintenance, good by property.
Description
Technical field
The utility model belongs to vehicle electric field, especially relates to a kind of branch means of electric vehicle.
Background technology
Under the dual-pressure of the energy and environment, this green energy resource of electric motor car becomes the focus of research and development, and meanwhile, high-voltage safety also becomes very important link.Especially, electric motor car has been installed more high voltage electric device, as motor controller, electric air-conditioning, ptc heater, Vehicular charger, fast and slow charge mouth etc., distributed comparatively scattered, and all need the transmission being connected inlet wire energy with battery.Directly be connected with battery if each electrical appliance is used alone wire harness, then will certainly increase the consumption of electric wire, further increase carry out winding displacement, installation and maintenance time difficulty.
Chinese patent Authorization Notice No.: CN 2793996Y, authorized announcement date on July 5th, 2006, disclose and the utility model discloses a kind of automobile electrical source terminal box, the lid comprising a line box and dock with line box gap, lid also arranges supply socket, this socket is plugged with cigar lighter patchplug, in lid, center is fixedly installed a rotating shaft, rotating shaft is flexibly connected with bottom line box, rotating shaft is wound with the power supply wiring connected with the supply socket on lid, the outer rim of line box is also provided with a breach, and the end plug of power supply wiring is arranged on outside breach; Also be provided with in described rotating shaft be connected with wiring 12-24 is lied prostrate the transformation voltage stabilizing circuit converting 9.5 volts to.Described lid is also provided with the indicator light be connected with wiring; Described line box inner bottom part is provided with circular groove, and rotating shaft bottom is actively socketed on circular groove, and described lid is provided with turning handle.Its weak point is, this terminal box can only connect uniline, and thus need to arrange different terminal boxes to the different electrical appliance of connection, the cost for terminal box and electric wire increases greatly, all very inconvenient for winding displacement layout and maintenance etc.
Prior art is compared, and this electric vehicle junction box has the following advantages: (1) decreases the output port of battery system, conveniently carries out winding displacement, reduces cost; (2) connect electric machine controller, compressor, connection ptc heater, Vehicular charger and connect and fill the normal use that can not affect motor and other electrical appliances after breaking down in a certain road in the circuit of port soon; (3) can realize by communication interface the state that external controller detects junction box each branch road inner, thus specific aim control can be carried out according to actual needs, have correlation control unit to control the state of each branch road in junction box.
Summary of the invention
There are the problems referred to above for existing technology in the utility model, provides a kind of can passing through and shunt with the power demands of satisfied different electrical appliance, be convenient to the electric vehicle junction box of winding displacement and maintenance.
The utility model is realized by following technical proposal: a kind of electric vehicle junction box, comprise box body, it is characterized in that, described box body first side is provided with the inlet wire positive terminal and inlet wire negative pole end that are connected with battery system, described box body second side is provided with some output ports, some described output ports and the positive and negative extreme parallel connection of inlet wire form branch road, described box body the 3rd side is provided with communication interface, each described branch road is all in series with fuse and relay switch, and described relay switch is all connected with communication interface with fuse.
Extremely be connected positive and negative for inlet wire with battery system, by this junction box, inlet wire is divided into many branch roads, every bar branch road can connect different electrical appliances by port, and battery system need not arrange electric wire and outlet port for each electrical appliance separately, saves cost while conveniently carrying out winding displacement.In addition; branch road can arrange fuse restriction maximum current; be used for protecting battery and electrical appliance to be without prejudice; by the setting of communication interface, make it possible to the state being carried out controlling brancher by external control chip according to detection signals such as fuse state, relay status, connection reliable behavior.
In above-mentioned a kind of electric vehicle junction box, described output port comprises and connects electric machine controller port, compressor port and ptc heater port.The inlet wire come by battery system, is connected respectively to electric machine controller, compressor, ptc heater by junction box, meets their power demands.
In above-mentioned a kind of electric vehicle junction box, described output port also comprises Vehicular charger port and fills port soon.The inlet wire come by battery system, by junction box respectively with Vehicular charger port with fill port soon and is connected, realizes the transmission of energy, meets the interior power demands of charging of car.
In above-mentioned a kind of electric vehicle junction box, described electric machine controller port place branch road is parallel with precharging circuit, and described precharging circuit comprises the precharge group and relay switch of connecting successively.By adopting precharge group current limliting, prevent charging current excessive, to power supply, rectifier element causes great impact.
In above-mentioned a kind of electric vehicle junction box, described branch road adopts high-voltage wiring harness to connect.High-voltage wiring harness is mainly used in the transmission of electric energy.
In above-mentioned a kind of electric vehicle junction box, described relay switch is all connected with communication interface by low voltage wiring harness with fuse.Low voltage wiring harness is mainly for detection of the transmission of signal and control signal.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
In figure, 1, box body, 2, inlet wire positive terminal, 3, inlet wire negative pole end, 4, electric machine controller port, 5, compressor port, 6, ptc heater port, 7, Vehicular charger port, 8, fill port soon, 9, communication interface, 10, fuse, 11, relay switch, 12, precharge group, 13, high-voltage wiring harness, 14, low voltage wiring harness.
Embodiment
Be below specific embodiment of the utility model, and by reference to the accompanying drawings technical scheme of the present invention be further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, a kind of electric vehicle junction box, comprise box body 1, box body 1 first side is provided with the inlet wire positive terminal 2 and inlet wire negative pole end 3 that are connected with battery system, inlet wire positive terminal 2, negative pole end 3 is parallel with five groups of branch roads, branch road adopts high-voltage wiring harness 13 to connect, each branch road is connected with corresponding port, these ports are arranged on box body 1 second side as output port, electric machine controller port 4 respectively, compressor port 5, ptc heater port 6, Vehicular charger port 7 and fill port 8 soon, box body 1 the 3rd side is provided with communication interface 9, each branch road is all in series with fuse 10 and relay switch 11, relay switch 11 is all connected with communication interface 9 by low voltage wiring harness 14 with fuse 10.In addition, electric machine controller port 4 place branch road is parallel with precharging circuit, precharging circuit comprises the precharge group 12 and relay switch 11 of connecting successively.
The inlet wire come by battery system, is connected respectively to electric machine controller, motor compressor, ptc heater, Vehicular charger by this junction box and is filled port 8 soon and be connected, and realizes the transmission of energy and the protection to circuit.Connect electric machine controller port 4, compressor port 5, ptc heater port 6, Vehicular charger port 7 at inlet wire positive terminal 2 and fill the relay switch 11 and fuse 10 that the circuit of port 8 are respectively equipped with and are in series soon; the effect of overload protection can be played; if after wherein the fuse 10 on a road fuses simultaneously; the electrical appliance that other branch roads connect can not be affected; still can normally use, maintenance personal also only needs to change the fuse 10 that this branch road fuses in addition.These relay switches 11 and fuse 10 are all connected in communication interface 9, each relay switch state, fuse state, connection reliable state signal is detected by external controller, can select according to actual needs, be undertaken controlling its this junction box state by correlation control unit.Wire harness safety and the controlled access in each high-voltage wiring harness 13 loop and disconnection when this programme guarantees overcurrent, have versatility, safe and reliable, decrease the line outlet of electrokinetic cell bag, fuse 10 and relay switch 11 all concentrate in together simultaneously, be convenient to centralized maintenance, there is certain convenience.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. an electric vehicle junction box, comprise box body (1), it is characterized in that, described box body (1) first side is provided with the inlet wire positive terminal (2) and inlet wire negative pole end (3) that are connected with battery system, described box body (1) second side is provided with some output ports, some described output ports and inlet wire positive terminal (2), inlet wire negative pole end (3) parallel connection forms branch road, described box body (1) the 3rd side is provided with communication interface (9), each described branch road is all in series with fuse (10) and relay switch (11), described relay switch (11) is all connected with communication interface (9) with fuse (10).
2. a kind of electric vehicle junction box according to claim 1, is characterized in that, described output port comprises and connects electric machine controller port (4), compressor port (5) and ptc heater port (6).
3. a kind of electric vehicle junction box according to claim 2, is characterized in that, described output port also comprises Vehicular charger port (7) and fills port (8) soon.
4. a kind of electric vehicle junction box according to claim 2, it is characterized in that, described electric machine controller port (4) place branch road is parallel with precharging circuit, and described precharging circuit comprises the precharge group (12) and relay switch (11) of connecting successively.
5. a kind of electric vehicle junction box according to claim 1-4 any one, is characterized in that, described branch road adopts high-voltage wiring harness (13) to connect.
6. a kind of electric vehicle junction box according to claim 1-4 any one, it is characterized in that, described relay switch (11) is all connected with communication interface (9) by low voltage wiring harness (14) with fuse (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723547.XU CN204258206U (en) | 2014-11-26 | 2014-11-26 | A kind of electric vehicle junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723547.XU CN204258206U (en) | 2014-11-26 | 2014-11-26 | A kind of electric vehicle junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258206U true CN204258206U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723547.XU Expired - Fee Related CN204258206U (en) | 2014-11-26 | 2014-11-26 | A kind of electric vehicle junction box |
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| CN (1) | CN204258206U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627158A (en) * | 2016-12-06 | 2017-05-10 | 北京长城华冠汽车科技股份有限公司 | Vehicle |
| CN107640105A (en) * | 2017-09-19 | 2018-01-30 | 奇瑞汽车股份有限公司 | The supply line of electric automobile and electric automobile |
| CN109030977A (en) * | 2018-06-01 | 2018-12-18 | 北京新能源汽车股份有限公司 | A kind of high pressure broken string box and its control method and control device |
| CN112319657A (en) * | 2020-11-19 | 2021-02-05 | 中节能太阳能科技（镇江）有限公司 | AGV's electric layout structure |
| WO2022134788A1 (en) * | 2020-12-21 | 2022-06-30 | 长春捷翼汽车零部件有限公司 | Plug-in apparatus |
-
2014
- 2014-11-26 CN CN201420723547.XU patent/CN204258206U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627158A (en) * | 2016-12-06 | 2017-05-10 | 北京长城华冠汽车科技股份有限公司 | Vehicle |
| CN107640105A (en) * | 2017-09-19 | 2018-01-30 | 奇瑞汽车股份有限公司 | The supply line of electric automobile and electric automobile |
| CN109030977A (en) * | 2018-06-01 | 2018-12-18 | 北京新能源汽车股份有限公司 | A kind of high pressure broken string box and its control method and control device |
| CN112319657A (en) * | 2020-11-19 | 2021-02-05 | 中节能太阳能科技（镇江）有限公司 | AGV's electric layout structure |
| WO2022134788A1 (en) * | 2020-12-21 | 2022-06-30 | 长春捷翼汽车零部件有限公司 | Plug-in apparatus |
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| 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: 20150408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |