CN103790847A - Fan control system and method of electric vehicle - Google Patents
Fan control system and method of electric vehicle Download PDFInfo
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- CN103790847A CN103790847A CN201310753353.4A CN201310753353A CN103790847A CN 103790847 A CN103790847 A CN 103790847A CN 201310753353 A CN201310753353 A CN 201310753353A CN 103790847 A CN103790847 A CN 103790847A
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- 238000000034 method Methods 0.000 title claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention discloses a fan control system, used for controlling a fan to operate, of an electric vehicle. The fan control system comprises a fan control module, an air conditioner panel, a dashboard and a fan motor. The fan control module is used for controlling the operation of the fan according to vehicle speed or temperature of the motor. The air conditioner panel outputs air conditioning signals to the fan control module. The dashboard outputs changing signals of the vehicle speed to the fan control module. The fan motor outputs PWM speed control signals to the fan motor to control the same to operate or shutdown according to the air conditioning signals, temperature sensing resistance signals and changes in the vehicle speed signals. The vehicle speed, the air conditioning signals and the temperature of the motor are sensed in real time, operating state and rotating speed of the motor fan are adjusted according to the parameters, the fan motor is protected from turning on at ultra-low temperature, and power consumption increase of the electric vehicle is avoided; meanwhile, according to changes of the temperature of the motor, rotating speed of the fan can be adjusted linearly, proper rotating speed of the fan is controlled, power is saved effectively, and utilization efficiency of a battery is improved.
Description
Technical field
The present invention relates to automotive control system, refer to especially a kind of fan control system and controlling method of electric vehicle.
Background technique
In electric vehicle, powered battery, Time Aero are all leaned in the startup of all electrical equipment, water tank and condenser heating, radiating effect is undesirable, can not adjust in real time according to the temperature of motor, traveling state of vehicle the running of fan, makes the battery power consumption of electric vehicle larger.
Summary of the invention
Based on the deficiencies in the prior art, main purpose of the present invention is to provide a kind of fan operating state of electric vehicle and the fan control system of rotating speed and controlling method adjusted intelligently, with the electric quantity consumption of each components and parts in rational allocation automobile, control the temperature of car water tank and condenser.
The invention provides a kind of fan control system of electric vehicle, for regulating and controlling fan running, it comprises:
Fan control module, for controlling the running of fan according to the speed of a motor vehicle or motor temperature;
Air conditioner panel, is electrically connected with fan control module, to fan control module output AIR COND SIG Air Conditioner Singnal;
Instrument panel, is electrically connected with fan control module, and the variable signal of the speed of a motor vehicle is exported to fan control module;
Fan electromotor, is electrically connected with fan control module, according to the variation of AIR COND SIG Air Conditioner Singnal, warming resistance signal and vehicle speed signal, to fan electromotor output PWM speed-regulating signal, controls the running of fan electromotor or stops.
Preferably, further comprise motor temperature sensor, be electrically connected with fan control module, the variation of sensing temperature sensing resistor, to fan control module output warming resistance signal.Pass between described motor temperature and fan electromotor resistance is: temperature=(resistance-100)/0.385.
When the speed of a motor vehicle on described instrument panel meets or exceeds 80km/h, fan control module, to fan electromotor output PWM speed-regulating signal, is controlled fan electromotor and is shut down.In the time that fan control module receives the AIR COND SIG Air Conditioner Singnal of sending out air conditioner panel transmission, to fan electromotor output PWM speed-regulating signal, start fan electromotor full speed running; If air conditioner panel does not send AIR COND SIG Air Conditioner Singnal, and receive motor temperature in the warming resistance signal of motor temperature sensor and be less than 60 ℃, fan electromotor is out of service; If motor temperature is 60-90 ℃, fan is with the rotating speed operation of 50%-100%; If motor temperature is greater than 90 ℃, fan electromotor full speed running.
The present invention also provides a kind of control method for fan of electric vehicle, and it comprises the following steps:
Step 1) is started electric vehicle, in the time showing that the speed of a motor vehicle meets or exceeds 80km/h on instrument panel, sends PWM speed-regulating signal by fan control module to fan electromotor, and drive fan is out of service;
Step 2) if show on instrument panel, the speed of a motor vehicle is lower than 80km/h, and the AIR COND SIG Air Conditioner Singnal that air conditioner panel is exported detected, send PWM speed-regulating signal, drive fan full speed running by fan control module to fan electromotor; If the AIR COND SIG Air Conditioner Singnal that air conditioner panel is exported do not detected, detect motor temperature, according to the variation of motor temperature, adjust the running state of fan.
In step 2) in, if sensing motor temperature, motor temperature sensor is less than 60 ℃, drive fan is out of service; If it is 60-90 ℃ that motor temperature sensor senses motor temperature, drive fan is with 50%-100% rotating speed speed governing operation; If sensing motor temperature, motor temperature sensor is greater than 90 ℃, drive fan full speed running.
Pass between described motor temperature and fan electromotor resistance is: temperature=(resistance-100)/0.385.
Compared with prior art, the fan control system of electric vehicle of the present invention is by carrying out real-time sensing to the speed of a motor vehicle, AIR COND SIG Air Conditioner Singnal and motor temperature, adjust running state and the rotating speed of motor ventilating fan according to the variation of these parameters, avoid starting fan electromotor in the time crossing low temperature, increase the weight of the electric quantity consumption of electric vehicle, simultaneously, according to the variation of motor temperature, adjust linearly the rotating speed of fan, control the suitable rotational speed of fan, saving power effectively, the utilization ratio of raising battery.
Accompanying drawing explanation
Fig. 1 is the module principle figure of the fan control system of a kind of electric vehicle of the present invention;
Fig. 2 is the modular structure block diagram of the fan control system of a kind of electric vehicle of the present invention;
Fig. 3 is the module controls flow chart of the fan control system of a kind of electric vehicle of the present invention.
Embodiment
In the control system of electric motor car, in order to effectively utilize electric energy, can control to the fan running of electric motor car again energy-conserving and environment-protective, ride comfort, the invention provides a kind of fan control system of electric vehicle, it can adjust the running state of fan intelligently, meeting the prerequisite of radiating effect of electric automobile cooling system, rationally controls it and start fan under suitable temperature regime, give the comfortable sensation of riding vehicle, effectively utilize the electric energy of electric motor car.
Shown in seeing figures.1.and.2, a kind of fan control system of electric vehicle, for regulating and controlling fan running, it comprises: fan control module 1, for the running of fan being controlled according to the speed of a motor vehicle or motor temperature; Power supply 2, for powering to fan control module 1, air conditioner panel 3, is electrically connected with fan control module 1, exports AIR COND SIG Air Conditioner Singnal to fan control module 1; Instrument panel 4, is electrically connected with fan control module 1, and the variable signal of the speed of a motor vehicle is exported to fan control module 1.Fan electromotor 6, is electrically connected with fan control module 1, according to the variation of AIR COND SIG Air Conditioner Singnal, warming resistance signal and vehicle speed signal, exports PWM speed-regulating signal to fan electromotor 6, controls the running of fan electromotor 6 or stops.
Fan control module 1, as central control unit, is electrically connected with external control module and fan electromotor, by variations such as vehicle speed sensing, motor temperature, AIR COND SIG Air Conditioner Singnals, the running of fan is controlled, and controls intelligently operating condition and the rotating speed of fan.Air conditioner panel 3 is arranged on the operation panel of electric motor car, by manually opened or close air-conditioning, input AIR COND SIG Air Conditioner Singnal to fan control module 1, be A/C switching signal, open air-conditioning, fan control module 1 receives after AIR COND SIG Air Conditioner Singnal, starting of air conditioner, drive fan full speed running automatically, so that the temperature of water tank and condenser is lowered the temperature, avoids water tank and condenser overheated.
Preferably, described fan control system further comprises motor temperature sensor 5, is electrically connected with fan control module 1, and the variation of sensing temperature sensing resistor, exports warming resistance signal to fan control module 1.Pass between described motor temperature and fan electromotor resistance is: temperature=(resistance-100)/0.385.According to the size of motor temperature, adjust fan electromotor resistance, to change the rotating speed of fan.
Shown in Fig. 3, the present invention also provides a kind of control method for fan of electric vehicle, and it comprises the following steps:
Step 1) is started electric vehicle, in the time showing that the speed of a motor vehicle meets or exceeds 80km/h on instrument panel, sends PWM speed-regulating signal by fan control module to fan electromotor, and drive fan is out of service;
Step 2) if show on instrument panel, the speed of a motor vehicle is lower than 80km/h, and the AIR COND SIG Air Conditioner Singnal that air conditioner panel is exported detected, send PWM speed-regulating signal, drive fan full speed running by fan control module to fan electromotor; If the AIR COND SIG Air Conditioner Singnal that air conditioner panel is exported do not detected, detect motor temperature, according to the variation of motor temperature, adjust the running state of fan.
In step 2) in, if sensing motor temperature, motor temperature sensor is less than 60 ℃, drive fan is out of service; If it is 60-90 ℃ that motor temperature sensor senses motor temperature, drive fan, with 50%-100% rotating speed speed governing operation, turns round with dutycycle 50%; If sensing motor temperature, motor temperature sensor is greater than 90 ℃, drive fan full speed running.
Pass between described motor temperature and fan electromotor resistance is: temperature=(resistance-100)/0.385.
In the time that motor temperature is too low (as being less than 60 ℃), fan does not move, without to electric motor temperature reduction; In the time that motor reaches certain temperature (as 60-90 ℃), rotation speed of the fan raises and makes linear speed regulation with temperature, adjusts linearly the rotating speed of fan, with the variation of motor temperature, adjusts the rotating speed of fan; In the time that motor temperature is brought up to more than 90 ℃, the full-speed operation of force start fan, prevents that motor temperature is too high.
Claims (8)
1. a fan control system for electric vehicle, for regulating and controlling fan running, is characterized in that comprising:
Fan control module, for controlling the running of fan according to the speed of a motor vehicle or motor temperature;
Air conditioner panel, is electrically connected with fan control module, to fan control module output AIR COND SIG Air Conditioner Singnal;
Instrument panel, is electrically connected with fan control module, and the variable signal of the speed of a motor vehicle is exported to fan control module;
Fan electromotor, is electrically connected with fan control module, according to the variation of AIR COND SIG Air Conditioner Singnal and the speed of a motor vehicle, to fan electromotor output PWM speed-regulating signal, controls the running of fan electromotor or stops.
2. the fan control system of electric vehicle according to claim 1, is characterized in that: further comprise motor temperature sensor, be electrically connected with fan control module, the variation of sensing temperature sensing resistor, to fan control module output warming resistance signal.
3. the fan control system of electric vehicle according to claim 2, is characterized in that: the pass between described motor temperature and fan electromotor resistance is: temperature=(resistance-100)/0.385.
4. the fan control system of electric vehicle according to claim 3, is characterized in that: when the speed of a motor vehicle of described instrument panel meets or exceeds 80km/h, fan control module, to fan electromotor output PWM speed-regulating signal, is controlled fan electromotor and shut down.
5. the fan control system of electric vehicle according to claim 4, is characterized in that: when fan control module receives while sending out the AIR COND SIG Air Conditioner Singnal that air conditioner panel sends, to fan electromotor output PWM speed-regulating signal, start fan electromotor full speed running; If air conditioner panel does not send AIR COND SIG Air Conditioner Singnal, and receive motor temperature in the warming resistance signal of motor temperature sensor and be less than 60 ℃, fan electromotor is out of service; If motor temperature is 60-90 ℃, fan is with the rotating speed operation of 50%-100%; If motor temperature is greater than 90 ℃, fan electromotor full speed running.
6. a control method for fan for electric vehicle, is characterized in that comprising the following steps:
Step 1) is started electric vehicle, in the time showing that the speed of a motor vehicle meets or exceeds 80km/h on instrument panel, sends PWM speed-regulating signal by fan control module to fan electromotor, and drive fan is out of service;
Step 2) if show on instrument panel, the speed of a motor vehicle is lower than 80km/h, and the AIR COND SIG Air Conditioner Singnal that air conditioner panel is exported detected, send PWM speed-regulating signal, drive fan full speed running by fan control module to fan electromotor;
If the AIR COND SIG Air Conditioner Singnal that air conditioner panel is exported do not detected, detect motor temperature, according to the variation of motor temperature, adjust the running state of fan.
7. the control method for fan of electric vehicle according to claim 6, is characterized in that: in step 2) in, if sensing motor temperature, motor temperature sensor is less than 60 ℃, drive fan is out of service; If it is 60-90 ℃ that motor temperature sensor senses motor temperature, drive fan is with 50%-100% rotating speed speed governing operation; If sensing motor temperature, motor temperature sensor is greater than 90 ℃, drive fan full speed running.
8. the control method for fan of electric vehicle according to claim 7, is characterized in that: the pass between described motor temperature and fan electromotor resistance is: temperature=(resistance-100)/0.385.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753353.4A CN103790847B (en) | 2013-12-31 | 2013-12-31 | The fan control system of a kind of electric automobile and control method |
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| CN201310753353.4A CN103790847B (en) | 2013-12-31 | 2013-12-31 | The fan control system of a kind of electric automobile and control method |
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| CN103790847A true CN103790847A (en) | 2014-05-14 |
| CN103790847B CN103790847B (en) | 2017-01-04 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589957A (en) * | 2014-12-31 | 2015-05-06 | 北京长安汽车工程技术研究有限责任公司 | Method and system for regulating temperature of air conditioner in vehicle |
| CN106762086A (en) * | 2017-01-20 | 2017-05-31 | 安徽安凯汽车股份有限公司 | A kind of pure electric coach cooling fan governing system and its control method |
| CN106979169A (en) * | 2016-01-19 | 2017-07-25 | 艾默生网络能源有限公司 | A kind of fan speed regulation control method and equipment |
| CN108058587A (en) * | 2017-11-09 | 2018-05-22 | 简式国际汽车设计（北京）有限公司 | A kind of control method of cooling system of vehicle |
| CN109109616A (en) * | 2018-09-12 | 2019-01-01 | 延锋伟世通电子科技（上海）有限公司 | A kind of adaptive radiator of mobile unit |
| CN111720354A (en) * | 2020-06-30 | 2020-09-29 | 中车青岛四方机车车辆股份有限公司 | Control method, device and control circuit of cooling fan |
| CN112026508A (en) * | 2020-09-07 | 2020-12-04 | 东风小康汽车有限公司重庆分公司 | Control method for cooling fan of extended range electric vehicle |
| CN112389158A (en) * | 2020-11-30 | 2021-02-23 | 东风华神汽车有限公司 | Method and system for controlling commercial vehicle fan |
| CN113898603A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Finished automobile fan control system and method |
| CN113910908A (en) * | 2021-09-29 | 2022-01-11 | 浙江奥思伟尔电动科技有限公司 | New energy automobile driving motor |
| WO2023024695A1 (en) * | 2021-08-24 | 2023-03-02 | 长城汽车股份有限公司 | Control method and apparatus for fan of vehicle, and storage medium, electronic device and vehicle |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589957A (en) * | 2014-12-31 | 2015-05-06 | 北京长安汽车工程技术研究有限责任公司 | Method and system for regulating temperature of air conditioner in vehicle |
| CN106979169A (en) * | 2016-01-19 | 2017-07-25 | 艾默生网络能源有限公司 | A kind of fan speed regulation control method and equipment |
| CN106979169B (en) * | 2016-01-19 | 2018-12-25 | 维谛技术有限公司 | A kind of fan speed regulation control method and equipment |
| CN106762086B (en) * | 2017-01-20 | 2019-05-10 | 安徽安凯汽车股份有限公司 | A kind of pure electric coach cooling fan speed-regulating system and its control method |
| CN106762086A (en) * | 2017-01-20 | 2017-05-31 | 安徽安凯汽车股份有限公司 | A kind of pure electric coach cooling fan governing system and its control method |
| CN108058587A (en) * | 2017-11-09 | 2018-05-22 | 简式国际汽车设计（北京）有限公司 | A kind of control method of cooling system of vehicle |
| CN109109616A (en) * | 2018-09-12 | 2019-01-01 | 延锋伟世通电子科技（上海）有限公司 | A kind of adaptive radiator of mobile unit |
| CN111720354A (en) * | 2020-06-30 | 2020-09-29 | 中车青岛四方机车车辆股份有限公司 | Control method, device and control circuit of cooling fan |
| CN112026508A (en) * | 2020-09-07 | 2020-12-04 | 东风小康汽车有限公司重庆分公司 | Control method for cooling fan of extended range electric vehicle |
| CN112389158A (en) * | 2020-11-30 | 2021-02-23 | 东风华神汽车有限公司 | Method and system for controlling commercial vehicle fan |
| WO2023024695A1 (en) * | 2021-08-24 | 2023-03-02 | 长城汽车股份有限公司 | Control method and apparatus for fan of vehicle, and storage medium, electronic device and vehicle |
| CN113898603A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Finished automobile fan control system and method |
| CN113910908A (en) * | 2021-09-29 | 2022-01-11 | 浙江奥思伟尔电动科技有限公司 | New energy automobile driving motor |
| CN113910908B (en) * | 2021-09-29 | 2024-02-20 | 浙江奥思伟尔电动科技有限公司 | New energy automobile driving motor |
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| CN103790847B (en) | 2017-01-04 |
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Address after: 226500 No. 188 Huacheng Road, Chengbei street, Rugao, Nantong, Jiangsu Patentee after: JIANGSU GREENWHEEL NEW ENERGY VEHICLE Co.,Ltd. Address before: 226502 Rugao City, Nantong, Jiangsu, No. 188, Huacheng Road, Rugao town (Rugao Economic Development Zone) Patentee before: JIANGSU GREENWHEEL NEW ENERGY ELECTRIC VEHICLE Co.,Ltd. |
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