CN203651668U - Power supply device of electric car - Google Patents
Power supply device of electric car Download PDFInfo
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- CN203651668U CN203651668U CN201320735956.7U CN201320735956U CN203651668U CN 203651668 U CN203651668 U CN 203651668U CN 201320735956 U CN201320735956 U CN 201320735956U CN 203651668 U CN203651668 U CN 203651668U
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- 238000009434 installation Methods 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
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Abstract
The utility model provides a power supply device of an electric car and belongs to the technical field of cars. The power supply device of the electric car solves the problem that according to the prior art, due to the fact that both a high-voltage battery and a low-voltage battery are needed by an electric car, the layout space is limited. The power supply device of the electric car comprises a high-voltage power supply module used for outputting high-voltage direct currents and a low-voltage harness used for being connected with a low-voltage direct-current power supply and outputting low-voltage direct currents to low-voltage equipment, wherein the high-voltage power supply module is connected with a DC/DC converter which is used for conducting voltage reduction on the high-voltage direct currents output by the high-voltage power supply module to output low-voltage direction currents, the output end of the high-voltage power supply module is connected with the input end of the DC/DC converter, and the output end of the DC/DC converter is connected with the low-voltage harness. According to the power supply device of the electric car, high voltages output by a high-voltage battery can be converted into stable low voltages to be output, a low-voltage battery is omitted, the layout space of the interior of the car is increased, and car maintenance cost is reduced.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of electric supply installation of electronlmobil.
Background technology
Along with scientific and technical development and the raising of people's living standard, automobile has been come into huge numbers of families, becomes the topmost vehicle of people's go off daily.But because the price of fuel oil is more and more higher, greatly increase the practical cost of automobile, new-energy automobile is progressively exploitation, although succeed in developing as the automobile such as solar power, Hydrogen Energy, but in actual practicality, have series of problems, the time cannot overcome, and temporarily cannot popularize, really there is the new-energy automobile of practical significance, or pure electric automobile and hybrid vehicle.
In the elec. vehicles such as EV (Electric Vehicle, electronlmobil), HEV (Hybrid Electric Vehicle, hybrid electric vehicle), PHEV (Plug-in Hybrid Electric Vehicle, plug-in hybrid electric vehicle), be typically provided with two kinds of batteries of high-tension battery and A-battery.High-tension battery is mainly as for example for driving the wheel of elec. vehicle to make the power supply of high-tension load (hereinafter referred to as the high-voltage load) use such as air compressor motor of its active force electric motor of advancing, A/C (A/C).On the other hand, A-battery is mainly as various ECU (Electronic Control Unit, electronic control unit), the EPS (electric power-assisted steering apparatus), on-vehicle acoustic apparatus, wiper, the low-voltage load such as electrical motor, illuminating lamp for automatic window that for example carry out the control of the each several part of elec. vehicle.
Because the structure of elec. vehicle is compared with more complex arrangement limited space of regular fuel vehicle, especially mixed ejector half vehicle arranges high-tension battery and A-battery simultaneously, because the volume of battery causes more greatly the layout anxiety of miscellaneous part.Meanwhile, battery exist service life short, for guaranteeing that equipment stability in use also will change in time, increased the cost of maintaining the car.
DC/DC conv is high-voltage DC power supply to be carried out to step-down process output low-voltage dc power supply or low-voltage dc power supply is boosted and processes the device of output high-voltage DC power supply.
Summary of the invention
There are the problems referred to above for existing technology in the utility model, a kind of electric supply installation of electronlmobil has been proposed, the electric supply installation of this electronlmobil can be transformed into the high potential of high-tension battery output stable low pressure output, cancel A-battery, thereby increase the arrangement space in car, saved the cost of maintaining the car.
The utility model is realized by following technical proposal: a kind of electric supply installation of electronlmobil, comprise high voltage supply module and the low voltage wiring harness of for being connected low-voltage dc power supply, low-voltage DC being exported to low-voltage equipment for exporting high voltage direct current, it is characterized in that, described high voltage supply module is connected with the DC/DC conv of processing output low-voltage DC for the high voltage direct current of high voltage supply module output is carried out to step-down, the mouth of described high voltage supply module is connected with the input end of DC/DC conv, the mouth of described DC/DC conv is connected with low voltage wiring harness.
High voltage supply module output high voltage direct current is to DC/DC conv, DC/DC conv carries out step-down by the high voltage direct current of high voltage supply module output and processes output low-voltage DC, and be connected to low-voltage equipment power supply by low voltage wiring harness and low-voltage equipment, cancel A-battery, thereby increase the arrangement space in car, provided cost savings.
In the electric supply installation of above-mentioned electronlmobil, described low-voltage equipment is electronic control unit, on-vehicle acoustic apparatus, wiper, electrical motor, illuminating lamp and instrument module for automatic window, and the mouth of described DC/DC conv is respectively with electronic control unit, on-vehicle acoustic apparatus, wiper, for automatic window, electrical motor, illuminating lamp and instrument module are connected.DC/DC conv output low-voltage DC is electronic control unit, on-vehicle acoustic apparatus, wiper, electrical motor, illuminating lamp and instrument module for power supply for automatic window.
In the electric supply installation of above-mentioned electronlmobil, described DC/DC conv is also connected with CAN bus, and described electronic control unit is connected with CAN bus.Electronic control unit and DC/DC conv are by CAN bus connecting communication, and communication is more reliable.
In the electric supply installation of above-mentioned electronlmobil, described DC/DC conv is DC/DC voltage reduction module.DC/DC voltage reduction module is simple in structure, and volume is less.
In the electric supply installation of above-mentioned electronlmobil, the vdc of described DC/DC voltage reduction module output is 12V.The rated voltage of low-voltage equipment is 12V.
Compared with prior art, the electric supply installation of this electronlmobil goes out by the high voltage direct current step-down processing of high voltage supply module output the low-voltage DC that voltage is 12V by DC/DC voltage reduction module, thereby cancel A-battery, increased the arrangement space in car, saved the cost of maintaining the car.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model.
In figure, 1, high voltage supply module; 1a, high-tension battery; 1b, Voltage-output module; 2, DC/DC voltage reduction module; 3, electronic control unit; 4, on-vehicle acoustic apparatus; 5, wiper; 6, automatic window electrical motor; 7, illuminating lamp; 8, instrument module; 9, CAN bus.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, a kind of electric supply installation of electronlmobil, comprise high voltage supply module 1, DC/DC voltage reduction module 2, low voltage wiring harness and low-voltage equipment, low-voltage equipment comprises electronic control unit 3, on-vehicle acoustic apparatus 4, wiper 5, electrical motor 6 for automatic window, illuminating lamp 7 and instrument module 8, high voltage supply module 1 comprises high-tension battery 1a and Voltage-output module 1b, the mouth of Voltage-output module 1b is connected with the input end of DC/DC voltage reduction module 2, the mouth of DC/DC voltage reduction module 2 and electronic control unit 3, on-vehicle acoustic apparatus 4, wiper 5, electrical motor 6 for automatic window, illuminating lamp 7 is connected respectively by low voltage wiring harness with instrument module 8 low-voltage equipments such as grade, DC/DC voltage reduction module 2 is also connected with CAN bus 9, electronic control unit 3 is connected with CAN bus 9, the output voltage of DC/DC voltage reduction module 2 is the direct current (DC) of 12V.
The principle of work of the electric supply installation of this electronlmobil is as follows: the high voltage direct current of high-tension battery 1a is exported to DC/DC voltage reduction module 2 by Voltage-output module 1b, DC/DC voltage reduction module 2 carries out step-down by high voltage direct current and processes the low-voltage DC of exporting 12V, and by low voltage wiring harness and electronic control unit 3, on-vehicle acoustic apparatus 4, wiper 5, electrical motor 6 for automatic window, illuminating lamp 7 and instrument module 8 are connected to low-voltage equipment power supply, by DC/DC voltage reduction module 2 processing place 12V direct current (DC), cancel A-battery, thereby increase the arrangement space in car, provide cost savings.
Claims (5)
1. the electric supply installation of an electronlmobil, comprise high voltage supply module (1) and the low voltage wiring harness of for being connected low-voltage dc power supply, low-voltage DC being exported to low-voltage equipment for exporting high voltage direct current, it is characterized in that, described high voltage supply module (1) is connected with the DC/DC conv of processing output low-voltage DC for the high voltage direct current of high voltage supply module (1) output is carried out to step-down, the mouth of described high voltage supply module (1) is connected with the input end of DC/DC conv, and the mouth of described DC/DC conv is connected with low voltage wiring harness.
2. the electric supply installation of electronlmobil according to claim 1, it is characterized in that, described low-voltage equipment is electronic control unit (3), on-vehicle acoustic apparatus (4), wiper (5), electrical motor (6), illuminating lamp (7) and instrument module (8) for automatic window, and the mouth of described DC/DC conv is respectively with electronic control unit (3), on-vehicle acoustic apparatus (4), wiper (5), for automatic window, electrical motor (6), illuminating lamp (7) and instrument module (8) are connected.
3. the electric supply installation of electronlmobil according to claim 2, is characterized in that, described DC/DC conv is also connected with CAN bus (9), and described electronic control unit (3) is connected with CAN bus (9).
4. according to the electric supply installation of the electronlmobil described in claim 1 or 2 or 3, it is characterized in that, described DC/DC conv is DC/DC voltage reduction module (2).
5. the electric supply installation of electronlmobil according to claim 4, is characterized in that, the vdc of described DC/DC voltage reduction module (2) output is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735956.7U CN203651668U (en) | 2013-11-19 | 2013-11-19 | Power supply device of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735956.7U CN203651668U (en) | 2013-11-19 | 2013-11-19 | Power supply device of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203651668U true CN203651668U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320735956.7U Expired - Fee Related CN203651668U (en) | 2013-11-19 | 2013-11-19 | Power supply device of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203651668U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346594A (en) * | 2015-12-10 | 2016-02-24 | 苏州绿控传动科技有限公司 | Automotive dual-source low-voltage electric power-assisted steering system |
| CN105383412A (en) * | 2014-08-26 | 2016-03-09 | 矢崎总业株式会社 | Vehicular power distribution system |
| CN106696705A (en) * | 2017-01-03 | 2017-05-24 | 特百佳动力科技有限公司 | Full electric vehicle multi-load high-voltage dc modular system |
| CN106809014A (en) * | 2017-03-23 | 2017-06-09 | 祁国俊 | A kind of electric automobile and its power-supply system |
| CN107187293A (en) * | 2017-06-20 | 2017-09-22 | 佛山职业技术学院 | A kind of air conditioning for automobiles System Controlled by Measuring Pressure based on Bluetooth technology |
-
2013
- 2013-11-19 CN CN201320735956.7U patent/CN203651668U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383412A (en) * | 2014-08-26 | 2016-03-09 | 矢崎总业株式会社 | Vehicular power distribution system |
| US10137782B2 (en) | 2014-08-26 | 2018-11-27 | Yazaki Corporation | Vehicular power distribution system |
| CN105346594A (en) * | 2015-12-10 | 2016-02-24 | 苏州绿控传动科技有限公司 | Automotive dual-source low-voltage electric power-assisted steering system |
| CN106696705A (en) * | 2017-01-03 | 2017-05-24 | 特百佳动力科技有限公司 | Full electric vehicle multi-load high-voltage dc modular system |
| CN106809014A (en) * | 2017-03-23 | 2017-06-09 | 祁国俊 | A kind of electric automobile and its power-supply system |
| CN107187293A (en) * | 2017-06-20 | 2017-09-22 | 佛山职业技术学院 | A kind of air conditioning for automobiles System Controlled by Measuring Pressure based on Bluetooth technology |
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| 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: 20140618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |