Electric vehicle integrated thermal management system and working method
A technology of electric vehicles and management systems, applied in circuits, electrical components, secondary batteries, etc., can solve problems such as difficulty in ensuring the normal operation of the system, many system and controller components, and complex control systems, and achieve easy replacement and improvement Cooling ability, cost-saving effect
Inactive Publication Date: 2016-08-31
JIANGSU UNIV
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Problems solved by technology
However, the thermal management system cannot cool down the motor, and its structure and corresponding control system are complex, involving too many system and controller components, which makes the stability of the entire system relatively poor, and it is difficult to ensure the normal operation of the system
Method used
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[0015] see figure 1 , the motor cooling pipe 6 and the first temperature sensor 9 are set on the driving motor 5 of the electric vehicle, the motor cooling pipe 6 is wound on the outer surface of the driving motor 5, and the first temperature sensor 9 collects the operating temperature of the driving motor 5; The battery pack 13 of the automobile is provided with a battery pack radiator 12 and a second temperature sensor 11 , the battery pack radiator 12 plays a cooling role for the battery pack 13 , and the second temperature sensor 11 collects temperature information of the battery pack 13 .
[0016] The input end of the motor cooling pipe 6 is sequentially connected to the water pump 2, the coolant tank 1, and the third two-position two-way solenoid valve 10 through the pipeline, and is connected to the output end of the motor cooling pipe 6 through the third two-position two-way solenoid valve 10. The motor cooling pipe 6, the water pump 2, the coolant tank 1 and the third...
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The invention discloses an electric automobile vehicle integration thermal management system and a work method. A motor cooling pipe and a first temperature sensor are arranged on a drive motor of an electric automobile; a battery pack radiator and a second temperature sensor are arranged on a battery pack of the electric automobile; the input end of the motor cooling pipe is connected with a water pump, a cooling liquid box and a third two-position two-way solenoid valve by pipelines in sequence; the third two-position two-way solenoid valve is connected with the output end of the motor cooling pipe; the water pump is connected with a water pump motor; the output end of the water pump passes a first two-position two-way solenoid valve and then is connected with the input end of the battery pack radiator; the output end of the motor cooling pipe passes a second two-position two-way solenoid valve and then is connected with the input end of the battery pack radiator; the output end of the battery pack radiator is connected with the cooling liquid box. According to the electric automobile vehicle integration thermal management system and the work method, the cooling of the drive motor of the electric automobile is realized, the battery pack is enabled to always work in the proper temperature under various different weather conditions, the service life of the drive motor and the battery pack is prolonged, and the performance of the drive motor and the battery pack is improved.
Description
technical field [0001] The invention relates to the field of electric vehicles, in particular to a complete vehicle thermal management system of the electric vehicle. Background technique [0002] Affected by the oil crisis and the importance of energy conservation and environmental protection, more and more automakers have realized that hybrid vehicles and pure electric vehicles will inevitably replace the current fuel vehicles in the future. Related automotive new technologies are also emerging. Since the power sources and driving devices of hybrid electric vehicles and pure electric vehicles are different from those of fuel vehicles, the thermal management system originally suitable for fuel vehicles can no longer meet the thermal management of electric vehicles. [0003] Electric vehicles use the battery pack as a power source to drive the motor to drive the car, and the life and performance of the battery pack require a suitable temperature. Improper temperature will a...
Claims
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IPC IPC(8): B60K11/02H01M10/617H01M10/625H01M10/637H01M10/6568
CPCY02E60/10
Inventor 袁朝春李道宇李仲兴吴飞刘逸群汪少华陈龙王吴杰江洪
Owner JIANGSU UNIV