CN203201641U - Engine cooling fan control system - Google Patents
Engine cooling fan control system Download PDFInfo
- Publication number
- CN203201641U CN203201641U CN 201320191463 CN201320191463U CN203201641U CN 203201641 U CN203201641 U CN 203201641U CN 201320191463 CN201320191463 CN 201320191463 CN 201320191463 U CN201320191463 U CN 201320191463U CN 203201641 U CN203201641 U CN 203201641U
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- China
- Prior art keywords
- engine
- cooling fan
- engine cooling
- management system
- coolant temperature
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- Expired - Fee Related
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Abstract
The utility model provides an engine cooling fan control system, which comprises an engine cooling liquid temperature sensor, an engine management system, a single-chip microprocessor and a driving chip, wherein the engine cooling liquid temperature sensor is used for acquiring engine cooling liquid temperature information; the engine management system is connected with the engine cooling liquid temperature sensor; the single-chip microprocessor is connected with the engine management system for acquiring engine cooling liquid temperature information transmitted from the engine management system and generating a control signal for controlling the rotation speed of an engine cooling fan motor according to the engine cooling liquid temperature information; and the driving chip is connected with the single-chip microprocessor for receiving a control signal transmitted from the single-chip microprocessor and controlling the engine cooling fan motor according to the control signal. According to the scheme provided by the utility model, the automobile engine cooling fan can be accurately and efficiently controlled in real time.
Description
Technical field
The utility model relates to automotive field, refers to especially a kind of cooling fan of engine control system.
Background technique
At present, more and more be dissolved into along with automobile in the middle of people's the life, the minimizing of automobile exhaust pollution and oil storage requires us further to promote fuel economy and the feature of environmental protection of motor car engine on the one hand; The consumer group pursues car steering enjoyment greatly on the other hand, requires motor car engine that higher power character is arranged.The automobile engine cooling liquid temperature has very large impact to the combustion efficiency of fuel gas mixture in the cylinder, therefore is necessary very much the automobile engine cooling liquid temperature is accurately controlled.
The model utility content
The technical problems to be solved in the utility model provides a kind of cooling fan of engine control system, can realize in real time, accurately, efficiently automobile engine cooling fan is controlled.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of cooling fan of engine control system, comprising:
Obtain the engine coolant temperature sensor of engine coolant temperature information;
The engine management system that is connected with described engine coolant temperature sensor;
The single-chip microcomputer that is connected with described engine management system, obtain the described engine coolant temperature information that described engine management system transmission comes, and produce the control signal that is used for control engine cooling fan motor rotating speed according to described engine coolant temperature information;
The driving chip that is connected with described single-chip microcomputer receives the control signal that described single-chip microcomputer transmission comes, and according to described control signal control engine cooling fan motor.
Wherein, described engine management system is connected by controller local area network's CAN bus with described single-chip microcomputer.
Wherein, described single-chip microcomputer is connected by the pulse width modulation (PWM) mode with described driving chip.
The beneficial effect of technique scheme of the present utility model is as follows:
In the such scheme, single-chip microcomputer in the cooling fan of engine control system is by CAN bus and engine management system (EMS) communication and obtain required cooling fan of engine speed controling signal, described cooling fan of engine speed controling signal produces according to engine coolant temperature information, drive chip with PWM pulse modulation technology control direct current generator and drive the cooling fan of engine motor, make cooling fan of engine reach any required rotating speed; This system can realize the high real-time of cooling fan of engine, electrodeless, highi degree of accuracy control, and then realizes the highi degree of accuracy control of engine coolant temperature, is conducive to improve fuel economy, the feature of environmental protection, the power character of motor.
Description of drawings
Fig. 1 is cooling fan of engine control system schematic diagram of the present utility model.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, embodiment of the present utility model provides a kind of cooling fan of engine control system, comprising: the engine coolant temperature sensor of obtaining engine coolant temperature information; The engine management system (EMS) that is connected with described engine coolant temperature sensor; The single-chip microcomputer that is connected with described engine management system (EMS), obtain the described engine coolant temperature information that described engine management system (EMS) transmission comes, and produce the control signal that is used for control engine cooling fan motor rotating speed according to described engine coolant temperature information; The driving chip that is connected with described single-chip microcomputer receives the control signal that described single-chip microcomputer transmission comes, and according to described control signal control engine cooling fan motor.
Wherein, described engine management system (EMS) is connected by controller local area network (CAN) bus with described single-chip microcomputer.
Wherein, described single-chip microcomputer is connected by pulse duration modulation (PWM) mode with described driving chip.
In above-described embodiment of the present utility model, single-chip microcomputer is by CAN bus and EMS communication and obtain required cooling fan of engine speed controling signal, drive chip with PWM pulse modulation technology control direct current generator and drive the cooling fan of engine motor, make cooling fan of engine reach any required rotating speed, realize the high real-time of cooling fan of engine, electrodeless, highi degree of accuracy control, and then realize the highi degree of accuracy control of engine coolant temperature.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a cooling fan of engine control system is characterized in that, comprising:
Obtain the engine coolant temperature sensor of engine coolant temperature information;
The engine management system that is connected with described engine coolant temperature sensor;
The single-chip microcomputer that is connected with described engine management system, obtain the described engine coolant temperature information that described engine management system transmission comes, and produce the control signal that is used for control engine cooling fan motor rotating speed according to described engine coolant temperature information;
The driving chip that is connected with described single-chip microcomputer receives the control signal that described single-chip microcomputer transmission comes, and according to described control signal control engine cooling fan motor.
2. cooling fan of engine control system according to claim 1 is characterized in that, described engine management system is connected by controller local area network's CAN bus with described single-chip microcomputer.
3. cooling fan of engine control system according to claim 1 is characterized in that, described single-chip microcomputer is connected by the pulse width modulation (PWM) mode with described driving chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191463 CN203201641U (en) | 2013-04-16 | 2013-04-16 | Engine cooling fan control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191463 CN203201641U (en) | 2013-04-16 | 2013-04-16 | Engine cooling fan control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203201641U true CN203201641U (en) | 2013-09-18 |
Family
ID=49145756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320191463 Expired - Fee Related CN203201641U (en) | 2013-04-16 | 2013-04-16 | Engine cooling fan control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203201641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410335A (en) * | 2014-11-20 | 2015-03-11 | 东风汽车公司 | Control circuit and control method of intelligent small-power motor controller |
| CN106368790A (en) * | 2016-09-30 | 2017-02-01 | 张家港长安大学汽车工程研究院 | Speed regulation method based on PID algorithm for engine cooling fan |
| CN109424572A (en) * | 2017-08-25 | 2019-03-05 | 比亚迪股份有限公司 | Control method, device, system and the vehicle of fan for vehicle |
-
2013
- 2013-04-16 CN CN 201320191463 patent/CN203201641U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410335A (en) * | 2014-11-20 | 2015-03-11 | 东风汽车公司 | Control circuit and control method of intelligent small-power motor controller |
| CN106368790A (en) * | 2016-09-30 | 2017-02-01 | 张家港长安大学汽车工程研究院 | Speed regulation method based on PID algorithm for engine cooling fan |
| CN106368790B (en) * | 2016-09-30 | 2019-01-11 | 张家港长安大学汽车工程研究院 | A kind of cooling fan of engine speed regulating method based on pid algorithm |
| CN109424572A (en) * | 2017-08-25 | 2019-03-05 | 比亚迪股份有限公司 | Control method, device, system and the vehicle of fan for vehicle |
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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: 20130918 Termination date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |