CN101879859B - Control method of electric vehicle cooling system - Google Patents
Control method of electric vehicle cooling system Download PDFInfo
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- CN101879859B CN101879859B CN201010199617A CN201010199617A CN101879859B CN 101879859 B CN101879859 B CN 101879859B CN 201010199617 A CN201010199617 A CN 201010199617A CN 201010199617 A CN201010199617 A CN 201010199617A CN 101879859 B CN101879859 B CN 101879859B
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000498 cooling water Substances 0.000 claims abstract description 27
- 230000001702 transmitter Effects 0.000 claims description 12
- 239000000110 cooling liquid Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 241000005139 Lycium andersonii Species 0.000 abstract 3
- 239000012530 fluid Substances 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Abstract
The invention provides a control method of an electric vehicle cooling system, wherein the cooling system comprises a DC-to-DC power supply cooling water jacket, a motor controller cooling water jacket, a driving motor cooling water jacket, a radiator, an electric water pump and a controller with an alarm lamp which are sequentially communicated; and a driving motor and a driving motor controller are provided with temperature sensors, cooling liquid temperature sensors are arranged between the radiator and the electric water pump and between the driving motor and the radiator, the water outlet of the electric water pump is provided with a flow sensor, an electric fan is arranged in the radiator, and the temperature sensors, the cooling liquid temperature sensors and the electric fan are connected with the controllers. The invention can ensure the cooling effect of the electric vehicle to key parts of the vehicle under various working conditions so as to improve the heat efficiency of the key parts, reduce the heat loss, effectively save electric energy and prolong the continuous mileage of the electric vehicle.
Description
Technical field
The present invention relates to the technical field of electronlmobil, be specifically related to a kind of control method of electric automobile cooling system.
Background technology
Traditional electric automobile is not taked the water cooled mode to the cooling of critical component such as drive motor controller etc., and takes air cooled mode, is difficult to guarantee cooling performance.And in the cooling system of some electronlmobil circulation, on mode, as long as what take is that automobile key is got to " on " position; Electric water pump promptly turns round; If motor does not have under running or the environment that ambient temperature is not too high around like this, cooling water expansion tank still circulates, and effect is little; Waste electric energy, reduced the continuous travelled distance of electronlmobil.
Summary of the invention
Technical matters to be solved by this invention is the good and effective control method of the electric automobile cooling system of saves energy of cooling performance.
The electric automobile cooling system that proposes according to the present invention; Comprise successively DC-DC power supply cooling-water chamber, drive motor controller cooling-water chamber, drive motor cooling-water chamber, radiator, the electric water pump that is communicated with and have the controller of alarm lamp; Key is to be equipped with temperature sensor in drive motor and the drive motor controller; Be equipped with cooling-water temperature transmitter between said radiator and the electric water pump and between drive motor and the radiator; The water outlet of said electric water pump is provided with flow sensor, is provided with motor fan in the said radiator, and said temperature sensor all links to each other with controller with cooling-water temperature transmitter and motor fan.
The control method of electric automobile cooling system of the present invention may further comprise the steps:
After A, the automobile energising; The TEMP actuator temperature that drive motor is interior and drive motor controller is interior in the monitoring control devices cooling system; If the temperature T 1 of the temperature sensor in the drive motor is greater than preset temperature Tset1; Or the temperature T 2 of temperature sensor in the drive motor controller is greater than preset temperature Tset2, and electric water pump is opened;
The flow Q1 of the flow sensor that the water outlet of B, monitoring control devices electric water pump is provided with, as Q1 during more than or equal to preset flow Qset3, the electric water pump normal operation, if Q1 is during less than 1/3Qset3, controller control alarm lamp is bright;
Cooling-water temperature transmitter temperature T 3 between C, monitoring control devices radiator and the electric water pump and the cooling-water temperature transmitter temperature T 4 between drive motor and the radiator; When the heal differential of T3 and T4 during less than 5 ℃; Controller control motor fan is opened; When the heal differential of T3 and T4 during greater than 8 ℃, controller control motor fan is closed.
Electric automobile cooling system of the present invention; After the automobile energising; Controller is monitored the temperature of drive motor and drive motor controller; When monitoring drive motor when surpassing preset temperature Tset 1 or drive motor controller and surpassing preset temperature Tset2, controller control electric water pump is opened, like this with regard to reduced that motor not have to turn round or the environment that ambient temperature is not too high around under water pump still open and the electric energy wasted; After electric water pump is opened; Controller is monitored the water outlet flow of electric water pump; If its flow is more than or equal to preset flow Qset3, water pump normal operation then, and when the water outlet flow of electric water pump less than 1/3rd preset flow Qset3 the time; Controller control alarm lamp is bright, and caution car load cooling system need carry out the break down maintenance inspection; When car load is in high-speed working condition; The heat that whole power drive system produces is very big; Controller is monitored the temperature that radiator reduces the electric water pump refrigerant fluid, when the heal differential of the outlet cooling-liquid temperature of radiator and import refrigerant fluid is less than or equal to 5, and the fan unlatching in the controller control radiator; Accelerate the cooling of radiator; Until when the heal differential of the outlet cooling-liquid temperature of radiator and import refrigerant fluid greater than 8 the time, controller controls fan again and cuts out, and only needs radiator to make the refrigerant fluid cooling.
The drive motor cooling-water chamber also can be provided with the motor fan that links to each other with controller outward, and when automobile was in high-speed working condition, controller can be opened this fan, further guaranteed the cooling performance of drive motor.
Said Tset1 and Tset2 are provided with according to the heat resistanceheat resistant performance of drive motor and drive motor controller respectively, to guarantee the normal operation of drive motor and drive motor controller.
The flow of its outlet when said Qset3 works for the electric water pump rating horsepower.The pipeline of cooling system is fixed; The flow of its outlet when Qset3 works for the electric water pump rating horsepower; When monitoring control devices, is explained that electric water pump has fault, and is not enough to guarantee cooling performance during less than 1/3rd preset flow Qset3 to the actual flow of electric water pump; Controller control this moment alarm lamp is bright, needs maintenance.
Use the present invention, can guarantee under the various operating modes of electronlmobil cooling performance, thereby the heat efficiency of critical component is provided, reduce waste of heat the vehicle key parts, and effective saves energy, the continuous travelled distance of prolongation electronlmobil.
Description of drawings
Fig. 1 is the structural representation of electric automobile cooling system of the present invention;
Fig. 2 is the fundamental diagram of electric automobile cooling system of the present invention.
The specific embodiment
Describe embodiments of the invention below in detail.
Like Fig. 1; Electric automobile cooling system of the present invention comprises DC-DC power supply cooling-water chamber 1, drive motor controller cooling-water chamber 2, drive motor cooling-water chamber 3, radiator 4, the electric water pump 5 that is communicated with successively and has the controller of alarm lamp; Electric automobile cooling system is equipped with temperature sensor in drive motor and drive motor controller; Be equipped with cooling-water temperature transmitter between radiator and the electric water pump and between drive motor and the radiator; The water outlet of electric water pump 5 is provided with flow sensor; Be provided with motor fan in the radiator 4, temperature sensor all links to each other with controller with cooling-water temperature transmitter and motor fan, is controlled by controller.
The control method of electric automobile cooling system of the present invention such as Fig. 2, at first, after the automobile energising; Just key is got to " ON " position; In the monitoring control devices cooling system in the drive motor with drive motor controller in the TEMP actuator temperature, if the temperature T 1 of the temperature sensor in the drive motor is greater than preset temperature Tset1, or the temperature T 2 of the temperature sensor in the drive motor controller is greater than preset temperature Tset2; Explain that the temperature of drive motor and drive motor controller is too high this moment; Need cooling, controller control electric water pump 5 is opened, and begins to cool down the liquid circulation; Secondly; The flow Q1 of the flow sensor that the water outlet of monitoring control devices electric water pump 5 is provided with, as Q1 during more than or equal to preset flow Qset3, explain that cooling-liquid cycle is normal this moment; The electric water pump normal operation; If Q1 during less than 1/3Qset3, explains that cooling-liquid cycle is not enough this moment, controller control alarm lamp is bright; When car load is in high-speed working condition; The heat that whole power drive system produces is very big, and the cooling-water temperature transmitter temperature T 4 between cooling-water temperature transmitter temperature T 3 between monitoring control devices radiator 4 and the electric water pump 5 and drive motor 5 and the radiator 4 is when the heal differential of T3 and T4 during less than 5 ℃; Controller control motor fan is opened; Accelerate the cooling of refrigerant fluid, until when the heal differential of T3 and T4 during greater than 8 ℃, controller controls motor fan again and cuts out.
Use the present invention, can guarantee under the various operating modes of electronlmobil cooling performance, thereby the heat efficiency of critical component is provided, reduce waste of heat the vehicle key parts, and effective saves energy, the continuous travelled distance of prolongation electronlmobil.
Claims (3)
1. the control method of an electric automobile cooling system; This cooling system comprises DC-DC power supply cooling-water chamber, drive motor controller cooling-water chamber, drive motor cooling-water chamber, radiator, the electric water pump that is communicated with successively and has the controller of alarm lamp; It is characterized in that being equipped with temperature sensor in drive motor and the drive motor controller; Be equipped with cooling-water temperature transmitter between said radiator and the electric water pump and between drive motor and the radiator; The water outlet of said electric water pump is provided with flow sensor; Be provided with motor fan in the said radiator, said temperature sensor all links to each other with controller with cooling-water temperature transmitter and motor fan; Said drive motor cooling-water chamber also is provided with the motor fan that links to each other with controller outward; The control method that it is characterized in that this cooling system may further comprise the steps:
After A, the automobile energising; The TEMP actuator temperature that drive motor is interior and drive motor controller is interior in the monitoring control devices cooling system; If the temperature T 1 of the temperature sensor in the drive motor is greater than preset temperature Tset1; Or the temperature T 2 of temperature sensor in the drive motor controller is greater than preset temperature Tset2, and electric water pump is opened;
The flow Q1 of the flow sensor that the water outlet of B, monitoring control devices electric water pump is provided with, as Q1 during more than or equal to preset flow Qset3, the electric water pump normal operation, if Q1 is during less than 1/3Qset3, controller control alarm lamp is bright;
Cooling-water temperature transmitter temperature T 3 between C, monitoring control devices radiator and the electric water pump and the cooling-water temperature transmitter temperature T 4 between drive motor and the radiator; When the heal differential of T3 and T4 during less than 5 ℃; Controller control motor fan is opened; When the heal differential of T3 and T4 during greater than 8 ℃, controller control motor fan is closed.
2. the control method of electric automobile cooling system according to claim 1, Tset1 and the Tset2 that it is characterized in that said A step is respectively according to the heat resistanceheat resistant performance setting of drive motor and drive motor controller.
3. the control method of electric automobile cooling system according to claim 1, the flow of its outlet when the Qset3 that it is characterized in that said B step works for the electric water pump rating horsepower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010199617A CN101879859B (en) | 2010-06-11 | 2010-06-11 | Control method of electric vehicle cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010199617A CN101879859B (en) | 2010-06-11 | 2010-06-11 | Control method of electric vehicle cooling system |
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| CN101879859A CN101879859A (en) | 2010-11-10 |
| CN101879859B true CN101879859B (en) | 2012-10-03 |
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| CN201010199617A Active CN101879859B (en) | 2010-06-11 | 2010-06-11 | Control method of electric vehicle cooling system |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700400B (en) * | 2012-05-22 | 2017-10-20 | 奇瑞汽车股份有限公司 | A kind of new-energy automobile cooling system and heat management control method |
| CN102944840A (en) * | 2012-10-24 | 2013-02-27 | 郑州飞机装备有限责任公司 | Motor for electric automobile and automatic controller testing system |
| KR101451202B1 (en) * | 2012-12-18 | 2014-10-22 | 현대자동차주식회사 | Structure for Controling a Hydraulic Pump for Engine Cooling Fan of Hybrid Bus |
| CN104210331A (en) * | 2014-08-04 | 2014-12-17 | 天津市松正电动汽车技术股份有限公司 | Cooling system for hybrid car |
| CN105334893A (en) * | 2015-11-11 | 2016-02-17 | 成都九十度工业产品设计有限公司 | Nutrient solution temperature control system based on thermoelectric refrigeration technology and method |
| CN105599592B (en) * | 2016-01-28 | 2019-01-29 | 苏州汇川技术有限公司 | Electric vehicle motor controller cooling control system and method |
| CN106227186B (en) * | 2016-07-12 | 2019-11-01 | 北京长城华冠汽车科技股份有限公司 | A kind of test macro and method of electric car heat management pipeline |
| CN106240341B (en) * | 2016-08-05 | 2018-10-09 | 武汉理工大学 | A kind of Over Electric Motor with PMSM cooling system and its control method |
| CN107466192A (en) * | 2017-08-24 | 2017-12-12 | 智车优行科技（上海）有限公司 | Cooling system and electric automobile |
| CN107972478A (en) * | 2017-12-08 | 2018-05-01 | 东风柳州汽车有限公司 | Electric automobile control method for fan |
| CN109435680B (en) * | 2018-09-19 | 2021-04-27 | 上海汽车集团股份有限公司 | Vehicle power system temperature control device and control method thereof |
| CN109591602B (en) * | 2018-12-24 | 2020-10-13 | 浙江合众新能源汽车有限公司 | System and method for protecting locked rotor of driving motor of electric automobile |
| CN110014821B (en) * | 2019-03-19 | 2020-11-27 | 武汉格罗夫氢能汽车有限公司 | Novel hydrogen energy automobile secondary cooling system |
| CN111552331B (en) * | 2020-05-14 | 2021-09-17 | 海马新能源汽车有限公司 | Cooling control method and cooling control system |
| CN111880094A (en) * | 2020-07-24 | 2020-11-03 | 奇瑞新能源汽车股份有限公司 | Motor cooling experiment system and electric automobile thermal management experiment system |
| CN112421887B (en) * | 2020-10-26 | 2021-11-02 | 杭州电子科技大学 | Self-adaptive motor heat dissipation system and self-adaptive motor heat dissipation method |
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Owner name: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SAIC CHERY AUTOMOBILE CO., LTD. Effective date: 20150721 |
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Effective date of registration: 20150721 Address after: 241000 Yijiang, Anhui Province, Jin Hua Road, No. 226, South Road, No. Patentee after: New-energy automobile Technology Co., Ltd. of Cherry Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. Effective date of registration: 20150721 Address after: 241000 Yijiang, Anhui Province, Jin Hua Road, No. 226, South Road, No. Patentee after: New-energy automobile Technology Co., Ltd. of Cherry Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. |
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| CP03 | Change of name, title or address |
Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Hua Jin South Road, Yijiang District, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |