CN202888748U - High-voltage conjunction box - Google Patents
High-voltage conjunction box Download PDFInfo
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- CN202888748U CN202888748U CN 201220535389 CN201220535389U CN202888748U CN 202888748 U CN202888748 U CN 202888748U CN 201220535389 CN201220535389 CN 201220535389 CN 201220535389 U CN201220535389 U CN 201220535389U CN 202888748 U CN202888748 U CN 202888748U
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Abstract
The utility model discloses a high-voltage conjunction box which comprises a box body. The box body is provided with a power source anode interface, a power source cathode interface, a device anode interface, a device cathode interface and a low-voltage signal interface. A main positive contactor, a main negative contactor, a pre-charging loop, a charger contactor and a plurality of fuses are disposed inside the box body. The main positive contactor and the fuses are in series connection and then are in bridge connection between the power source anode interface and the device anode interface. The pre-charging loop is in parallel connection with the main positive contactor. The charger contactor and the fuses are connected in series and then are in bridge connection between the power source anode interface and the device anode interface. The main negative contactor is in series connection between the power source cathode interface and the device cathode interface. Control ends of all the main positive contactor, the main negative contactor, the pre-charging loop and the charger contactor are connected with the low-voltage signal interface. All parts are arranged inside the box body. The high-voltage conjunction box is high in integration and is suitable for an electric vehicle.
Description
Technical field
The utility model relates to a kind of circuit connection device, especially relates to a kind of high-voltage connection box with high integration for electric automobile.
Background technology
Development along with electric automobile, electrokinetic cell and power-supply system are also in constantly exploitation and improvement, the function that electrokinetic cell relates to is also more and more, in the limited space of battery frame, to increase various high voltage control parts and these functional requirements bring thereupon, this has also just brought, and cabling is complicated, layout is in disorder, and processing assembling difficulty waits variety of issue.
State Intellectual Property Office of the People's Republic of China discloses Granted publication on April 8th, 2009 and number has been the patent documentation of CN201219222Y, title is junction box of high-voltage motor, have three binding posts that are respectively applied to connect U phase conductor, V phase conductor and W phase conductor on its box plate, a wire spacer assembly also is installed on the described box plate, and described wire spacer assembly has and is positioned at three binding posts isolating wire board between any two.The short trouble that this scheme can avoid wire to collide and cause, but function is simple, is not suitable for the comparatively complicated applied environments such as automobile.
Summary of the invention
The utility model mainly be solve that the existing function of prior art is simple, cabling is complicated, the technical problem of processing assembling difficulty etc., a kind of integrated level height, complete function are provided, go for the high-voltage connection box of the complicated power utilization environment such as electric automobile.
The utility model is mainly solved by following technical proposals for above-mentioned technical problem: a kind of high-voltage connection box, comprise box body, box body is provided with the positive source interface, the power cathode interface, the equipment anode interface, equipment negative pole interface and low-voltage signal interface, described equipment anode interface and described equipment negative pole interface all comprise several bus-bars, be provided with main positive contactor in the described box body, main negative contactor, the precharge loop, charger contactor and several fuses, the positive contactor of described master be connected across between positive source interface and the equipment anode interface after fuse is connected, described precharge loop is in parallel with main positive contactor, described charger contactor be connected across between positive source interface and the equipment anode interface after fuse is connected, the negative contactor of described master is connected between power cathode interface and the equipment negative pole interface the positive contactor of described master, main negative contactor, be connected control end and all be connected with the low-voltage signal interface in the precharge loop with the charger contactor.
The positive source interface is connected with power supply with the power cathode interface, and equipment anode interface and equipment negative pole interface are connected with charger with power consumption equipment in the automobile.Each contactor is subjected to the signal controlling of low-voltage signal interface.The break-make of main negative contactor control negative loop, main positive contactor, precharge loop contactor and charger contactor are controlled the break-make in anodal loop.Each parts all is installed in the box body, and integrated level is high, is applicable to electric automobile.
As preferably, described precharge loop comprises precharge contactor and pre-charge resistance, after described precharge contactor and the pre-charge resistance series connection with to lead positive contactor in parallel.
The stage that powers on is carried out precharge by the precharge loop to the electric capacity in the power consumption equipment first, and the positive contactor of master is connected when capacitance voltage reaches 90% left and right sides of cell voltage, the beginning normal power supply.Employing precharge loop can be protected main positive contactor not stick together and damage.
As preferably, described equipment anode interface and equipment negative pole interface all comprise four bus-bars, described fuse has four, equipment negative pole interface comprises motor power negative pole interface, air conditioner power source negative pole interface, PTC heating power supply negative pole interface and charger negative pole interface, the equipment anode interface comprises motor power anode interface, air conditioner power source anode interface, PTC heating power supply anode interface and charger anode interface, and motor power anode interface, air conditioner power source anode interface and PTC power interface are connected and are connected main positive contactor by a fuse.
The charger anode interface is connected charger with charger negative pole interface, and charger provides rechargeable electrical energy for battery.The motor power anode interface is connected electric motor of automobile with motor power negative pole interface, and the air conditioner power source anode interface is connected air conditioning for automobiles with air conditioner power source negative pole interface, and PTC heating power supply anode interface is connected PTC with PTC power cathode interface.
As preferably, have fan hole on the box body, radiator fan is installed in the fan hole, the radiator fan control line is connected with the low-voltage signal interface.
As preferably, have louvre on the box body.
Louvre and radiator fan help the heat radiation of high-voltage connection box, prevent that the box inner part from damaging because of excess Temperature.
The beneficial effect that the utility model brings is, integrated level is high, easy for installation, high safety, complete function, is easy to standardized realization.
Description of drawings
Fig. 1 is a kind of forceful electric power of the present utility model loop (not comprising the low-voltage control signal circuit) schematic diagram;
Fig. 2 is a kind of box inner structure schematic diagram of the present utility model;
Fig. 3 is a kind of external structure schematic diagram of the present utility model;
Among the figure: 1, box body, 2, main positive contactor, 3, main negative contactor, 4, precharge contactor, 5, pre-charge resistance, 6, the charger contactor, 7, fuse, 8, low-voltage signal interface, 9, equipment negative pole interface, 10, the equipment anode interface, 11, fan, 12, louvre, 13, the power cathode interface, 14, the positive source interface.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of high-voltage connection box of present embodiment, as shown in Figures 2 and 3, comprise box body 1, box body 1 is provided with positive source interface 14, power cathode interface 13, equipment anode interface 10, equipment negative pole interface 9 and low-voltage signal interface 8.Equipment anode interface 10 and equipment negative pole interface 9 all comprise four bus-bars, equipment negative pole interface 9 comprises motor power negative pole interface, air conditioner power source negative pole interface, PTC heating power supply negative pole interface and charger negative pole interface, equipment anode interface 10 comprises motor power anode interface, air conditioner power source anode interface, PTC heating power supply anode interface and charger anode interface, the corresponding interface of each bus-bar.Be provided with main positive contactor 2, main negative contactor 3, precharge loop, charger contactor 6 and four fuses 7 in the box body 1.
As shown in Figure 1, motor power anode interface, air conditioner power source anode interface and PTC power interface are connected by an end of the main positive contactor 2 of a fuse 7 connections, and the other end of main positive contactor 2 connects positive source interface 14.The precharge loop comprises precharge contactor 4 and pre-charge resistance 5, after 5 series connection of precharge contactor 4 and pre-charge resistance with to lead positive contactor 2 in parallel.Pre-charge resistance 5 is 60 ohm.
The charger anode interface is by an end of a fuse 7 connection charger contactors 6, and the other end of charger contactor 6 connects positive source interface 14.Equipment negative pole interface 9 connects an end of main negative contactor 3, and the other end of main negative contactor 3 connects power cathode interface 13.
The control end of each fuse connects low-voltage signal interface 8.
The positive source interface is connected with power supply with the power cathode interface.The charger anode interface is connected charger with charger negative pole interface, and charger provides rechargeable electrical energy for battery.The motor power anode interface is connected electric motor of automobile with motor power negative pole interface, and the air conditioner power source anode interface is connected air conditioning for automobiles with air conditioner power source negative pole interface, and PTC heating power supply anode interface is connected PTC with PTC power cathode interface.
Have fan hole and louvre on the box body, radiator fan is installed in the fan hole, the radiator fan control line is connected with the low-voltage signal interface.
Main positive contactor and main negative contactor are used for control major loop break-make.The precharge loop provides the external capacitive pre-charging functions, prevents the excessive and adhesion of main positive contactor two ends pressure reduction when closure.Fuse assembly carries out overcurrent protection to each loop.
Each workflow of terminal box is as follows:
Electric control on the battery: closed master bears contactor and precharge contactor first, and the external capacitive charging reaches 90% rear closed main positive contactor, disconnection precharge contactor.
Charging control: after finishing battery and powering on, closed charger contactor, charger power supply output band high pressure, the output of external devices controllable current.
After power up was finished, motor power, air conditioner power source, PTC heating power supply delivery outlet were high pressure, the output of external devices controllable current.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as precharge loop, contactor, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. high-voltage connection box, comprise box body, it is characterized in that, box body is provided with the positive source interface, the power cathode interface, the equipment anode interface, equipment negative pole interface and low-voltage signal interface, described equipment anode interface and described equipment negative pole interface all comprise several bus-bars, be provided with main positive contactor in the described box body, main negative contactor, the precharge loop, charger contactor and several fuses, the positive contactor of described master be connected across between positive source interface and the equipment anode interface after fuse is connected, described precharge loop is in parallel with main positive contactor, described charger contactor be connected across between positive source interface and the equipment anode interface after fuse is connected, the negative contactor of described master is connected between power cathode interface and the equipment negative pole interface the positive contactor of described master, main negative contactor, be connected control end and all be connected with the low-voltage signal interface in the precharge loop with the charger contactor.
2. high-voltage connection box according to claim 1 is characterized in that, described precharge loop comprises precharge contactor and pre-charge resistance, and described precharge contactor and pre-charge resistance series connection are later in parallel with main positive contactor.
3. high-voltage connection box according to claim 1 and 2, it is characterized in that, described equipment anode interface and equipment negative pole interface all comprise four bus-bars, described fuse has four, equipment negative pole interface comprises motor power negative pole interface, air conditioner power source negative pole interface, PTC heating power supply negative pole interface and charger negative pole interface, the equipment anode interface comprises the motor power anode interface, the air conditioner power source anode interface, PTC heating power supply anode interface and charger anode interface, the motor power anode interface, the air conditioner power source anode interface is connected with the PTC power interface and is connected main positive contactor by a fuse.
4. high-voltage connection box according to claim 3 is characterized in that, has fan hole on the box body, and radiator fan is installed in the fan hole, and the radiator fan control line is connected with the low-voltage signal interface.
5. high-voltage connection box according to claim 4 is characterized in that, has louvre on the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535389 CN202888748U (en) | 2012-10-19 | 2012-10-19 | High-voltage conjunction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535389 CN202888748U (en) | 2012-10-19 | 2012-10-19 | High-voltage conjunction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888748U true CN202888748U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220535389 Expired - Fee Related CN202888748U (en) | 2012-10-19 | 2012-10-19 | High-voltage conjunction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888748U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786596A (en) * | 2014-03-05 | 2014-05-14 | 奇瑞汽车股份有限公司 | Automotive integrated controller |
| CN104505782A (en) * | 2015-01-04 | 2015-04-08 | 浙江永贵电器股份有限公司 | High-voltage power supply distribution box assembly for new energy vehicle |
| CN105437980A (en) * | 2015-11-13 | 2016-03-30 | 北京新能源汽车股份有限公司 | High-voltage power distribution module for vehicle as well as vehicle with high-voltage power distribution module |
| CN106300037A (en) * | 2016-08-25 | 2017-01-04 | 四川永贵科技有限公司 | High voltage power supply distributor disk |
| CN112684266A (en) * | 2020-12-01 | 2021-04-20 | 格力电器（郑州）有限公司 | Air conditioner power-on test tool and test use method thereof |
-
2012
- 2012-10-19 CN CN 201220535389 patent/CN202888748U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786596A (en) * | 2014-03-05 | 2014-05-14 | 奇瑞汽车股份有限公司 | Automotive integrated controller |
| CN104505782A (en) * | 2015-01-04 | 2015-04-08 | 浙江永贵电器股份有限公司 | High-voltage power supply distribution box assembly for new energy vehicle |
| CN105437980A (en) * | 2015-11-13 | 2016-03-30 | 北京新能源汽车股份有限公司 | High-voltage power distribution module for vehicle as well as vehicle with high-voltage power distribution module |
| CN105437980B (en) * | 2015-11-13 | 2018-01-19 | 北京新能源汽车股份有限公司 | For vehicle high voltage power distribution module and there is its vehicle |
| CN106300037A (en) * | 2016-08-25 | 2017-01-04 | 四川永贵科技有限公司 | High voltage power supply distributor disk |
| CN112684266A (en) * | 2020-12-01 | 2021-04-20 | 格力电器（郑州）有限公司 | Air conditioner power-on test tool and test use method thereof |
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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: 20130417 Termination date: 20191019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |