CN106640324B - A kind of control method and control device of electronic vehicle fan - Google Patents
A kind of control method and control device of electronic vehicle fan Download PDFInfo
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- CN106640324B CN106640324B CN201710002526.7A CN201710002526A CN106640324B CN 106640324 B CN106640324 B CN 106640324B CN 201710002526 A CN201710002526 A CN 201710002526A CN 106640324 B CN106640324 B CN 106640324B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/048—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using electrical drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/007—Conjoint control of two or more different functions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
Abstract
The present invention provides a kind of control method and device of electronic vehicle fan, this method is by receiving air conditioning pressure signal, speed signal and engine water temperature signal, and according to preset algorithm, operation is carried out to the air conditioning pressure signal, speed signal and engine water temperature signal, the duty ratio for meeting conditions present is obtained, and then controls electronic fan and is run according to current duty cycle.It can be according to actual needs just because of the application, electronic fan is controlled using PWM (Pulse Width Modulation) pulse width modulation, by the size for adjusting duty ratio, and according to duty ratio control electronic fan operation, and then it can be realized the Multistage Control to electronic fan.For the two-stage mode of speed regulation that middle rheostatic speed regulation or relay adjust the speed compared to the prior art, the revolving speed of electronic fan can be adjusted according to actual needs, and then realize under the premise of meeting electronic fan itself function, reduce the purpose of noise.
Description
Technical field
The present invention relates to technical field of automobile components, more particularly to the control method and control of a kind of electronic vehicle fan
Device processed.
Background technique
Car engine cooling system uses clutch fan and electronic fan at present, and wherein electronic fan is come by electricity
Driving fan work.With the continuous promotion of engine technology, engine power is continuously increased, and the heat dissipation capacity of engine is caused to be got over
Come bigger, and then water temperature is caused to increase.Under the limited arrangement space of cabin, generally relies on and adjust air quantity of fan to solve water temperature
High problem.The mode of the adjusting fan generallyd use is rheostatic speed regulation, relay speed regulation.When using rheostatic speed regulation mode,
It is that resistance is connected in power circuit, and a resistance both ends switch in parallel, when detecting that water temperature is not above preset value
When, then switch is off-state, and resistance plays the role of partial pressure, the voltage driving electronic fan rotation after partial pressure；When detecting water
When temperature is more than preset value, then switch is on state, and resistance does not play the role of partial pressure, and supply voltage directly drives electronics
Fan rotates at full speed.When using relay mode of speed regulation, when relay disconnects, then supply voltage cannot drive electronic fan to turn
It is dynamic, when relay conducting, then supply voltage driving electronic fan rotation.Regardless of be using rheostatic speed regulation mode, or after
Electric appliance mode of speed regulation can only all realize that two-stage adjusts the speed, i.e., electronic fan can only be according to two kinds of rotation speed operations.
In actual use, electronic fan can generate noise, and noise can be improved with the promotion of rotation speed of the fan, by shadow
Ring the ride comfort of user.Therefore, it is necessary to which the noise that electronic fan generates is adjusted, so that electronic fan is meeting certainly
Under the premise of body function, noise is the smaller the better.
But adjusted the speed using rheostatic speed regulation or relay, it can only all control electronic fan and be operated under fixed revolving speed, be led
Cause is not adjustable the noise of electronic fan in use.
Summary of the invention
The present invention provides the control method and control device of a kind of electronic vehicle fan, is using to improve fan
The noise problem generated in journey.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of control method of electronic vehicle fan, comprising:
Receive air conditioning pressure signal, speed signal and the first engine water temperature signal；
According to preset algorithm, the air conditioning pressure signal, speed signal and engine water temperature signal are carried out
Operation obtains the first operation result；
First control signal is sent to fan occupancy controller according to first operation result；
Wherein, the first control signal is run for controlling electronic fan according to first control signal duty ratio.
Preferably, the control method further include:
Receive gearbox oil temperature signal；
According to preset algorithm, operation is carried out to the gearbox oil temperature signal, obtains the second operation result；
Judge the size of first operation result Yu second operation result；
When first operation result is not less than second operation result, institute is sent by the first control signal
State fan occupancy controller；
When first operation result is less than second operation result, send the second control signal to described
Fan occupancy controller；
Wherein, the second control signal is run for controlling electronic fan according to second control signal duty ratio.
Preferably, after the reception air conditioning pressure signal, speed signal and engine water temperature signal, further includes:
Judge whether the engine water temperature signal reaches default cutting water temperature value, obtains cutting water temperature value judging result；
Judge whether the air conditioning pressure signal reaches default cut-out pressure value, obtains cut-out pressure value judging result；
When any one of the cutting water temperature value judging result and the cut-out pressure value judging result or two Xiang Douwei are
When, the air-conditioning state is controlled as cutting.
Preferably, after the reception air conditioning pressure signal, speed signal and engine water temperature signal, further includes:
Judge whether the engine water temperature signal reaches default and be attracted water temperature value, obtains being attracted water temperature value judging result；
Judge whether the air conditioning pressure signal reaches default and be attracted pressure value, obtains being attracted pressure value judging result；
When two Xiang Douwei are in the actuation water temperature value judging result and the actuation pressure value judging result, institute is controlled
Air-conditioning state is stated to be attracted.
Preferably, the control method further include:
After the engine misses, the second engine water temperature signal is received；
According to preset algorithm, operation is carried out to the second engine water temperature signal, obtains engine water temperature letter
Number operation result；
Water temperature, which is sent, to the fan occupancy controller according to the engine water temperature signal operation result controls signal；
Wherein, the water temperature control signal is run for controlling electronic fan according to water temperature duty ratio.
Preferably, after the engine misses, before the second engine water temperature signal of the reception, further includes:
Detect the runing time of engine；
Judge whether the runing time is not less than preset time；
When the judgment result is yes, it executes and receives the second engine water temperature signal and its subsequent step.
Preferably, after the engine misses, before the second engine water temperature signal of the reception, further includes:
Detect battery current voltage value；
Judge whether the battery current voltage value is not less than preset voltage value；
When the judgment result is yes, it executes and receives the second engine water temperature signal and its subsequent step.
The invention also discloses a kind of control devices of electronic vehicle fan, comprising:
First receiving unit, for receiving air conditioning pressure signal, speed signal and the first engine water temperature signal；
First arithmetic element is used for according to preset algorithm, to the air conditioning pressure signal, speed signal and hair
Motivation water temperature signal carries out operation, obtains the first operation result；
First control unit, for sending the first control letter to fan occupancy controller according to first operation result
Number；
Wherein, the first control signal is run for controlling electronic fan according to first control signal duty ratio.
Preferably, the control device further include:
First receiving unit, is also used to receive gearbox oil temperature signal；
First arithmetic element is also used to transport the gearbox oil temperature signal according to preset algorithm
It calculates, obtains the second operation result；
First judging unit, for judging the size of first operation result Yu second operation result；
The first control unit is also used to when first operation result is not less than second operation result, will
The first control signal is sent to the fan occupancy controller；When first operation result is less than second operation
When as a result, the fan occupancy controller is sent by the second control signal；
Wherein, the second control signal is run for controlling electronic fan according to second control signal duty ratio.
Preferably, the control device further include:
Second judgment unit, for starting in receiving unit reception air conditioning pressure signal, speed signal and first
After machine water temperature signal, judge whether the engine water temperature signal reaches default cutting water temperature value, obtains cutting water temperature value judgement
As a result；Judge whether the air conditioning pressure signal reaches default cut-out pressure value, obtains cut-out pressure value judging result；
Second control unit, for working as any one of the cutting water temperature value judging result and cut-out pressure value judging result
Or two Xiang Douwei when being, the air-conditioning state is controlled as cutting.
Preferably, the second judgment unit is also used to receive air conditioning pressure signal, speed signal in the receiving unit
And first after engine water temperature signal, judges whether the engine water temperature signal reaches default and be attracted water temperature value, is inhaled
Heshui temperature value judging result；Judge whether the air conditioning pressure signal reaches default and be attracted pressure value, obtains actuation pressure value and sentence
Disconnected result；
Second control unit is also used to when in the actuation water temperature value judging result and the actuation pressure value judging result
When two Xiang Douwei are, the air-conditioning state is controlled to be attracted.
Preferably, the control device further include:
Second receiving unit, for receiving the second engine water temperature signal after the engine misses；
Second arithmetic element, for carrying out operation to the second engine water temperature signal according to preset algorithm,
Obtain engine water temperature signal operation result；
Third control unit, for according to the engine water temperature signal operation result to the fan occupancy controller
It sends water temperature and controls signal；
Wherein, the water temperature control signal is run for controlling electronic fan according to water temperature duty ratio.
Preferably, the control device further include:
First detection unit is used for after the engine misses, before the second engine water temperature signal of the reception,
Detect the runing time of engine；
Third judging unit, for judging whether the runing time is not less than preset time；
Second receiving unit receives the second engine water temperature signal when the judging result, which is, is.
Preferably, the control device further include:
Second detection unit is used for after the engine misses, before the second engine water temperature signal of the reception,
Detect battery current voltage value；
4th judging unit, for judging whether the battery current voltage value is not less than preset voltage value；
Second receiving unit receives the second engine water temperature signal when the judging result, which is, is.
It can be seen via above technical scheme that compared with prior art, the invention discloses a kind of electronic vehicle fans
Control method and device, this method by receiving air conditioning pressure signal, speed signal and engine water temperature signal, and according to
Preset algorithm carries out operation to the air conditioning pressure signal, speed signal and engine water temperature signal, is met
The duty ratio of conditions present, and then control electronic fan and run according to current duty cycle.It can be according to reality just because of the application
Border needs, and controls electronic fan using PWM (Pulse Width Modulation) pulse width modulation, is accounted for by adjusting
The size of empty ratio, and according to duty ratio control electronic fan operation, and then can be realized the Multistage Control to electronic fan.It compares
For the two-stage mode of speed regulation that rheostatic speed regulation in the prior art or relay adjust the speed, electron wind can be adjusted according to actual needs
The revolving speed of fan, and then realize under the premise of meeting electronic fan itself function, reduce the purpose of noise.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the control method of electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 2 is a kind of flow chart of the control method of electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 3 is the flow chart of the control method of another electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 4 is the flow chart of the control method of another electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 5 is the flow chart of the control method of another electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 6 is the flow chart of the control method of another electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 7 is a kind of controling device structure diagram of electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 8 is the controling device structure diagram of another electronic vehicle fan disclosed by the embodiments of the present invention；
Fig. 9 is the controling device structure diagram of another electronic vehicle fan disclosed by the embodiments of the present invention；
Figure 10 is the controling device structure diagram of another electronic vehicle fan disclosed by the embodiments of the present invention；
In Fig. 1-10: electronic control unit (Electronic Control Unit, ECU) 1, air-conditioning 2, speed changer 3, hair
Motivation 4, PWM controller 5, electronic fan 6, radiator 7, oil cooler 8, condenser 9.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Electronic fan of the invention can be electrodeless fan, and Fig. 1 show the control and operating structure signal of electronic fan
Figure.
When the vehicle is running, air-conditioning 2, speed changer 3, engine 4, radiator 7, oil cooler 8, condenser 9 work normally
Under state, each sensor acquisition air conditioning pressure signal, speed signal, gearbox oil temperature signal, engine water temperature signal etc. will be adopted
The signal of collection is sent to electronic control unit 1, and electronic control unit 1 issues operation letter to PWM controller 5 by internal arithmetic
Number, PWM controller 5 controls electronic fan 6 and runs, and PWM controller 5 issues the difference of signal by receiving electronic control unit 1,
It controls the operation of electronic fan 6 and realizes different rotating speeds and air quantity.
As shown in Fig. 2, being a kind of flow chart of the control method of electronic vehicle fan disclosed by the embodiments of the present invention.This
The step of inventive embodiments disclose a kind of control method of electronic vehicle fan, the control method include:
S101: air conditioning pressure signal, speed signal and the first engine water temperature signal are received；
It receives and is believed by the air conditioning pressure that pressure sensor, vehicle speed sensor and engine water temperature sensor detect respectively
Number, speed signal and the first engine water temperature signal.
S102: according to preset algorithm, to the air conditioning pressure signal, speed signal and engine water temperature signal
Operation is carried out, the first operation result is obtained；
Wherein, specific implementation are as follows: air conditioning pressure signal and speed signal are first determined, then to engine water temperature signal
Operation is carried out, the first water temperature control operation result is obtained.Alternatively, first determining air conditioning pressure signal and engine water temperature signal, so
Operation is carried out to speed signal afterwards, obtains speed control operation result.
That is the first operation result in S102 can be the first water temperature control operation result, be also possible to speed control operation
As a result.
S103: first control signal is sent to fan occupancy controller according to first operation result；
Wherein, the first control signal is run for controlling electronic fan according to the first duty ratio.
First control signal corresponds to first operation result, when the first operation result is the first water temperature control operation result
When, the first control signal is that the first water temperature controls signal；It is described when the first operation result is speed control operation result
First control signal is that speed controls signal.
In the embodiment shown in Figure 2, by receiving air conditioning pressure signal, speed signal and engine water temperature signal,
And according to preset algorithm, operation is carried out to the air conditioning pressure signal, speed signal and engine water temperature signal, is obtained
To the duty ratio for meeting conditions present, and then controls electronic fan and run according to current duty cycle.It can just because of the present invention
According to actual needs, the size of duty ratio is adjusted, and according to duty ratio control electronic fan operation, and then can be realized to electronics
The Multistage Control of fan.For the two-stage mode of speed regulation that middle rheostatic speed regulation or relay adjust the speed compared to the prior art, Ke Yigen
The revolving speed of electronic fan is adjusted according to actual needs, and then is realized under the premise of meeting electronic fan itself function, and noise is reduced
Purpose.
Illustrate the scheme of the present embodiment below by actual case:
It refers to shown in table 1, table 1 is engine water temperature control strategy and speed control scheme list.
Table 1
When AC is in ON grades, air conditioning pressure signal is ultralow pressure, and speed signal is that vehicle is in idling state, T1
≤ the first engine water temperature signal≤T4, the duty ratio that operation obtains are the first engine water temperature of 10%, T4 < signal≤T5, fortune
Obtained duty ratio is the first engine water temperature of 15%, T5 < signal≤T6, and the duty ratio that operation obtains is 30%, T6 < the
One engine water temperature signal≤T7, the duty ratio that operation obtains are the first engine water temperature of 60%, T7 < signal≤T8, and operation obtains
The duty ratio arrived is 90%；
Air conditioning pressure signal is low pressure, and speed signal is that vehicle is in low-speed run state, the engine water temperature of T1≤first
Signal≤T6, the duty ratio that operation obtains are the first engine water temperature of 40%, T6 < signal≤T7, and the duty ratio that operation obtains is
The first engine water temperature of 60%, T7 < signal≤T10, the duty ratio that operation obtains are 90%；Speed signal is during vehicle is in
Fast operating status, the engine water temperature of T1≤first signal≤T5, the duty ratio that operation obtains are the first engine water of 30%, T5 <
Warm signal≤T6, the duty ratio that operation obtains are the first engine water temperature of 40%, T6 < signal≤T7, the duty ratio that operation obtains
For the first engine water temperature of 60%, T7 < signal≤T10, the duty ratio that operation obtains is 90%；Speed signal is in for vehicle
High-speed cruising state, the engine water temperature of T1≤first signal≤T6, the duty ratio that operation obtains are the first engine of 10%, T6 <
Water temperature signal≤T7, the duty ratio that operation obtains are the first engine water temperature of 60%, T7 < signal≤T10, and what operation obtained accounts for
Sky is than being 90%；
Air conditioning pressure signal is middle pressure, and speed signal is that vehicle is in low-speed run state, the engine water temperature of T1≤first
Signal≤T6, the duty ratio that operation obtains are the first engine water temperature of 50%, T6 < signal≤T7, and the duty ratio that operation obtains is
The first engine water temperature of 60%, T7 < signal≤T10, the duty ratio that operation obtains are 90%；Speed signal is during vehicle is in
Fast operating status, the engine water temperature of T1≤first signal≤T5, the duty ratio that operation obtains are the first engine water of 40%, T5 <
Warm signal≤T6, the duty ratio that operation obtains are the first engine water temperature of 50%, T6 < signal≤T7, the duty ratio that operation obtains
For the first engine water temperature of 60%, T7 < signal≤T10, the duty ratio that operation obtains is 90%；Speed signal is in for vehicle
High-speed cruising state, the engine water temperature of T1≤first signal≤T6, the duty ratio that operation obtains are the first engine of 30%, T6 <
Water temperature signal≤T7, the duty ratio that operation obtains are the first engine water temperature of 60%, T7 < signal≤T10, and what operation obtained accounts for
Sky is than being 90%；
Air conditioning pressure signal is high pressure, and speed signal is that vehicle is in idling state, the engine water temperature of T1≤first
Signal≤T10, the duty ratio that operation obtains are 90%.
When AC is in OFF grades, speed signal is that vehicle is in idling state, the engine water temperature signal of T1≤first
≤ T4, the duty ratio that operation obtains are the first engine water temperature of 10%, T4 < signal≤T5, and the duty ratio that operation obtains is
The first engine water temperature of 15%, T5 < signal≤T6, the duty ratio that operation obtains are the first engine water temperature of 30%, T6 < signal
≤ T7, the duty ratio that operation obtains are the first engine water temperature of 60%, T7 < signal≤T10, and the duty ratio that operation obtains is
90%.
Wherein, T1-T10 can be adjusted correspondingly according to actual needs in setting.
In table 1, when air conditioning pressure signal and speed signal determine, what different engine water temperature signal operations obtained is accounted for
Than different, the duty ratio control electronic fan obtained using operation is run sky.This control mode corresponds to engine water temperature control
System strategy.
In addition, in table 1, when air conditioning pressure signal and engine water temperature signal determine, different speed signal operations
Obtained duty ratio is also different, and the duty ratio control electronic fan obtained using operation is run.This control mode corresponds to vehicle
Fast control strategy.Wherein, specific implementation is similar to above-mentioned engine water temperature control strategy, does not repeat here.
It should be noted that embodiment shown in Fig. 2 is the engine water temperature control strategy and vehicle that the present invention is introduced
The preferred embodiment of fast control strategy, those skilled in the art on this basis, can be designed that more embodiments completely, because
This is not repeated here.
As shown in figure 3, the flow chart of the control method for another electronic vehicle fan disclosed by the embodiments of the present invention.
The embodiment of the invention discloses a kind of control method of electronic vehicle fan, the step of the control method further include:
S104: gearbox oil temperature signal is received；
Receive the gearbox oil temperature signal detected by transmission oil temperature sensor.
Wherein, it is received in S104 in gearbox oil temperature signal and S101 and receives air conditioning pressure signal, speed signal and the
There is no sequencings for the execution of one engine water temperature signal, as long as then receiving sensor is examined after sensor detects signal
Then the signal measured performs corresponding processing the signal received.
S105: according to preset algorithm, operation is carried out to the gearbox oil temperature signal, obtains the second operation knot
Fruit；
S106: judge the size of first operation result Yu second operation result；
S107: when first operation result is not less than second operation result, the first control signal is sent out
It is sent to the fan occupancy controller；
When first operation result is less than second operation result, send the second control signal to described
Fan occupancy controller；
Wherein, the second control signal is run for controlling electronic fan according to second control signal duty ratio.
In vehicle travel process, engine water temperature signal, air conditioning pressure, speed and gearbox oil temperature signal co- controlling
The operation of electronic fan.
Wherein, the priority for presetting electronic fan enables electronic fan to run according to largest duty cycle value.Example
Such as, the corresponding duty ratio of first control signal is 30%, and the corresponding duty ratio of second control signal is 40%, then electronic fan
It will be run according to duty ratio 40% corresponding with gearbox oil temperature signal.
Further, it should be noted that gearbox oil temperature signal no longer controls the fortune of electronic fan after engine misses
Row.
In the embodiment shown in fig. 3, by receiving gearbox oil temperature signal, operation obtains oil temperature duty ratio, then will
Oil temperature duty ratio is compared with first control signal duty ratio, according to the operation of the big dutyfactor value control electronic fan of duty ratio.
Pass through air conditioning pressure signal, speed signal, engine water temperature signal and gearbox oil temperature signal co- controlling electronic fan
Operation.Only only in accordance with the implementation of single signal control electronic fan operation in compared to the prior art, the present invention can be with
Realization is precisely controlled electronic fan, and then can reduce the use power of electronic fan, reduces the power consumption of engine.
Illustrate the scheme of the present embodiment below by actual case:
It refers to shown in table 2, table 2 is gearbox oil temperature control scheme list.
| Oil temperature T (DEG C) | T1 | T2 | T3 | T4 |
| Duty ratio % | 10 | 40 | 50 | 90 |
Table 2
After receiving gearbox oil temperature signal, operation is carried out to gearbox oil temperature signal, obtains corresponding oil temperature duty
Than.Specifically, gearbox oil temperature signal≤T1, the duty ratio that operation obtains are 10%；T1 < gearbox oil temperature signal≤T2, fortune
Obtained duty ratio is 40%；T2 < gearbox oil temperature signal≤T3, the duty ratio that operation obtains are 50%；T3 < speed changer
Oil temperature signal≤T4, the duty ratio that operation obtains are 90%.Wherein, T1-T4 can carry out phase in setting according to actual needs
The adjustment answered.T1-T4 in T1-T4 herein and table 1 has no any relationship, i.e., T1 herein do not indicate be with the T1 in table 1
One temperature value, T2-T4 herein are also respectively same temperature value not with the T2-T4 in table 1.
In table 2, after receiving gearbox oil temperature signal, by the operation to oil temperature signal, available oil temperature is accounted for
Empty ratio, then compared with first control signal duty ratio, according to the operation of the big dutyfactor value control electronic fan of duty ratio.
As shown in figure 4, the flow chart of the control method for another electronic vehicle fan disclosed by the embodiments of the present invention.
The embodiment of the invention discloses a kind of control method of electronic vehicle fan, after the S101 of the control method, further includes:
S1011: judging whether the engine water temperature signal reaches default cutting water temperature value, obtains cutting water temperature value judgement
As a result；
S1012: judging whether the air conditioning pressure signal reaches default cut-out pressure value, obtains cut-out pressure value judgement knot
Fruit；
S1013: as any one of the cutting water temperature value judging result and cut-out pressure value judging result or two Xiang Douwei
When being, then the air-conditioning state is controlled as cutting.
Air-conditioning by engine water temperature signal and air conditioning pressure signal control, when engine water temperature signal and air conditioning pressure are believed
Number any one of meet compressor of air conditioner cutting condition or two all meet compressor of air conditioner cutting condition when, then cut off air-conditioning pressure
Contracting machine, it is believed that air-conditioning is OFF grades at this time.And according to control method shown in Fig. 2, electronic fan operation is controlled.Wherein, Fig. 2 institute
The control method shown can be according to the control electronic fan operation of engine water temperature control strategy, be also possible to control according to speed
The operation of policy control electronic fan.
As shown in figure 5, the flow chart of the control method for another electronic vehicle fan disclosed by the embodiments of the present invention.
The embodiment of the invention discloses a kind of control method of electronic vehicle fan, after the S101 of the control method, further includes:
S1011 ': judging whether the engine water temperature signal reaches default and be attracted water temperature value, obtains actuation water temperature value and sentences
Disconnected result；
S1012 ': judging whether the air conditioning pressure signal reaches default and be attracted pressure value, obtains being attracted pressure value judgement
As a result；
S1013 ': when the actuation water temperature value judging result and two Xiang Douwei in the actuation pressure value judging result are
When, then the air-conditioning state is controlled to be attracted.
Air-conditioning by engine water temperature signal and air conditioning pressure signal control, only when engine water temperature signal and air-conditioning pressure
Force signal two all meet compressor of air conditioner be attracted condition when, compressor of air conditioner is just attracted, it is believed that at this time air-conditioning be ON grades.And it presses
According to control method shown in Fig. 2, electronic fan operation is controlled.
In practical application, when the default cutting water temperature value of setting is with being attracted water temperature value, cut-out pressure value and being attracted pressure value,
The factors such as safety and air-conditioning breaks by air supply rate are influenced.For example, when water temperature value is cut off in setting, it is contemplated that
The safety of air supply rate, the cutting water temperature value the low, more can guarantee the safety of air supply rate.But if water temperature value will be cut off
What is be arranged is too low, as long as current water temperature value has been more than cutting water temperature value, compressor cutting, i.e. air-conditioning are cut off, then in reality
In use, due to cutting off the too low of water temperature value setting, engine water temperature will quickly reach cutting water temperature after user opens air-conditioning
Value, air-conditioning is cut off at this time, by realizing that reducing engine water temperature value and air conditioning pressure value all meets actuation using electronic fan
After condition, compressor is attracted, and air-conditioning is run again, and still, engine water temperature value can meet cutting water temperature value quickly, and air-conditioning is again
Cutting.I.e. the setting of cutting water temperature value is too low, and air-conditioning will frequently be cut off, this leverages the normal work of air-conditioning, cannot
Meet the refrigeration demand of user.Therefore, in setting cutting water temperature value and actuation water temperature value, need to comprehensively consider Multiple factors
It influences.
In Fig. 4 and embodiment shown in fig. 5, after receiving engine water temperature signal, air conditioning pressure signal, judgement is
The no cutting for meeting air-conditioning and actuation condition, and air-conditioning is controlled according to judging result and is acted accordingly, and according to Fig.2,
Control mode control electronic fan operation.Wherein, the execution sequence of the cutting and actuation condition that judge air-conditioning is not limited
It is fixed, it can first judge whether the cutting condition for meeting air-conditioning after receiving engine water temperature signal, air conditioning pressure signal,
It can first judge whether the actuation condition for meeting air-conditioning.
As shown in fig. 6, the flow chart of the control method for another electronic vehicle fan disclosed by the embodiments of the present invention.
The embodiment of the invention discloses a kind of control method of electronic vehicle fan, the control methods further include:
S201: after the engine misses, the second engine water temperature signal is received；
After a certain period of vehicle operation, the water temperature of engine increases, if after engine misses, stopping electronic fan at once
Operation, then cause engine generate heat cannot be discharged in time, automobile is impacted.In view of this, the application is when hair
After motivation is flame-out, electronic fan still can be controlled according to actual needs operation a period of time.
But after being not engine misses, directly executes and receive engine water temperature signal and its subsequent step, but only
Have when current vehicle condition meets predetermined condition, just executes and receive engine water temperature signal and its subsequent step.
The predetermined condition that current vehicle condition meets can be with are as follows:
Detect the runing time of engine；
Judge whether the runing time is not less than preset time；
When the judgment result is yes, it executes and receives engine water temperature signal and its subsequent step.
I.e. in this application, after engine misses, first judge this runing time of engine, when running between it is not small
When preset time, just executes and receive engine water temperature signal and its subsequent step.Wherein, preset time can be according to practical need
It is configured.
The predetermined condition that current vehicle condition meets can be with are as follows:
Detect battery current voltage value；
Judge whether the battery current voltage value is not less than preset voltage value；
When the judgment result is yes, it executes and receives engine water temperature signal and its subsequent step.
I.e. in the application, after engine misses, battery current voltage value is first judged, when the current electricity of current battery
When pressure value is not less than preset voltage value, just executes and receive engine water temperature signal and its subsequent step.Wherein, preset voltage value is excellent
It is selected as 11.5V.Certainly, preset voltage value can be adjusted according to actual needs.
In practical applications, after engine misses, it can be determined that the runing time and battery current voltage of engine
It is worth the two conditions, condition is all met when two or any one meets condition, then executes and receive engine water temperature signal and thereafter
Continuous step.Can also judgement engine runing time or only judge battery current voltage value, when that of judgement is full
When sufficient condition, then executes and receive engine water temperature signal and its subsequent step.
In addition, after Vehicular system power-off, engine electronic control unit (Electronic Control Unit, ECU)
Continue working a period of time, the engine water temperature signal detected for receiving engine water temperature sensor.
S202: according to preset algorithm, operation is carried out to the second engine water temperature signal；
S203: the second water temperature is sent to the fan occupancy controller according to the operation result and controls signal；Wherein,
The second water temperature control signal is run for controlling electronic fan according to water temperature duty ratio.
By taking the runing time for judging engine as an example, the realization process of the present embodiment is discussed in detail.
After engine misses, the runing time of engine is detected；
Judge whether the runing time is not less than preset time；
When the judgment result is yes, the second engine water temperature signal is received；
According to preset algorithm, operation is carried out to the second engine water temperature signal；
Detect the current voltage value of battery；
Judge whether the battery current voltage value is not less than preset voltage value；
When the judgment result is yes, the second water temperature control is sent to the fan occupancy controller according to the operation result
Signal processed；Wherein, the second water temperature control signal is run for controlling electronic fan according to water temperature duty ratio；
In the present embodiment, after engine misses, first judge that engine this time runing time receives when the condition is satisfied
Engine water temperature signal；Then according to preset algorithm, operation is carried out to the engine water temperature signal received, obtains water
Warm duty ratio；But be not directly just to control electronic fan, but need to detect the current voltage value of battery,
Only when the current voltage value of battery is met certain condition, just according to obtained duty ratio control electronic fan operation.
In the embodiment shown in fig. 6, after engine misses, the water temperature signal of engine is still received, and foundation is worked as
Front engine water temperature signal, control electronic fan operation.So that not only in vehicle travel process electricity can be controlled by duty ratio
Sub- fan operation, and after vehicle stall, electronic fan operation still can be controlled by duty ratio, and then in vehicle stall
It also can solve the problems, such as that in time engine water temperature is high afterwards, improve the service life of vehicle.
Illustrate the scheme of the present embodiment below by actual case:
Refer to shown in table 3, table 3 be engine misses after run control strategy.
After engine misses, the water temperature signal of present engine is received, and transport to the water temperature signal of present engine
It calculates, obtains corresponding duty ratio, and then control the operation of electronic fan.
Specifically, as engine water temperature signal≤T0, duty ratio 0, i.e. fan are not run；T0 < engine water temperature letter
Number≤T1 when, duty ratio 10%, runing time 10S；When T1 < engine water temperature signal≤T2, duty ratio 30%, fortune
The row time is 30S；When engine water temperature signal > T2, duty ratio 60%, runing time 60S.Wherein, T0-T2 is being arranged
When, it can be arranged accordingly according to actual needs.In addition, T1 and T2 disclosed in T1 and T2 herein and Tables 1 and 2 is simultaneously
Without any relationship.
In the control method of electronic vehicle fan disclosed by the invention, for different application conditions, Engine ECU
(Electronic Control Unit) electronic control unit carries out PWM control using different control strategies to electronic fan.
Wherein, control strategy includes that engine water temperature control strategy, speed control strategy, gearbox oil temperature control strategy and engine are put out
Control strategy etc. is run after fire.Electronic fan is controlled by using multiple control strategies, may be implemented accurately to control
Effect.
In addition, the function that PWM is realized in the present invention is in addition to the control signal that is generated according to Engine ECU, according to duty ratio
Mode control the operation of electronic fan.Further include: overcurrent protection, when electronic fan stall leads to current overload, PWM is cut
Power-off stream supply；Overheating protection, when PWM internal temperature is more than T, electronic fan full speed running；Fail safe, pwm signal line
No signal input, electronic fan full speed running；Overvoltage protection, when input voltage is more than preset voltage value, PWM cuts off electric current
Supply, when input voltage is lower than another preset voltage value, PWM also cuts off electric current supply；Smooth starting, in an initial condition,
Slowly improve motor speed.
It is corresponding with the control method embodiment of electronic vehicle fan disclosed in aforementioned present invention, disclose a kind of vapour
The embodiment of the control device of auto electronic fan please refers to attached drawing 7, is a kind of electronic vehicle disclosed by the embodiments of the present invention
The controling device structure diagram of fan.
The embodiment of the invention discloses a kind of control device of electronic vehicle fan, which includes:
First receiving unit 101, for receiving air conditioning pressure signal, speed signal and the first engine water temperature signal；
First arithmetic element 102, for according to preset algorithm, to the air conditioning pressure signal, speed signal with
And engine water temperature signal carries out operation, obtains the first operation result；
First control unit 103, for sending the first control to fan occupancy controller according to first operation result
Signal processed；
Wherein, the first control signal is run for controlling electronic fan according to first control signal duty ratio.
In technical solution provided by the embodiment of the present invention, the control device of electronic vehicle fan, by receiving air-conditioning
Pressure signal, speed signal and engine water temperature signal, and according to preset algorithm, to the air conditioning pressure signal,
Speed signal and engine water temperature signal carry out operation, obtain the duty ratio for meeting conditions present, and then control electronic fan
It is run according to current duty cycle.Control device just because of the electronic vehicle fan in the embodiment of the present invention can be according to reality
Border needs, and adjusts the size of duty ratio, and according to duty ratio control electronic fan operation, and then can be realized to electronic fan
Multistage Control.It, can be according to reality for the two-stage mode of speed regulation that middle rheostatic speed regulation or relay adjust the speed compared to the prior art
It needs to adjust the revolving speed of electronic fan, and then realizes under the premise of meeting electronic fan itself function, reduce the purpose of noise.
As shown in figure 8, the structure for the control device of another electronic vehicle fan disclosed by the embodiments of the present invention is shown
It is intended to, the embodiment of the invention discloses a kind of control device of electronic vehicle fan, in the control device, described first is received
Unit 101 is also used to receive gearbox oil temperature signal；First arithmetic element 102, is also used to according to preset calculation
Method carries out operation to the gearbox oil temperature signal, obtains the second operation result；First judging unit 104, it is described for judging
The size of first operation result and second operation result；The first control unit 103 is also used to when first operation
When being as a result not less than second operation result, the fan occupancy controller is sent by the first control signal；When
When first operation result is less than second operation result, the fan duty ratio is sent by the second control signal
Controller；Wherein, the second control signal is run for controlling electronic fan according to second control signal duty ratio.
In embodiments of the present invention, the control device is in addition to receiving air conditioning pressure signal, speed signal and engine water
Outside warm signal, also reception gearbox oil temperature signal, union obtain oil temperature duty ratio, then by oil temperature duty ratio and the first control
Signal dutyfactor compares, according to the operation of the big dutyfactor value control electronic fan of duty ratio.Pass through air conditioning pressure signal, vehicle
The operation of fast signal, engine water temperature signal and gearbox oil temperature signal co- controlling electronic fan.Compared to the prior art
In only only in accordance with the implementation of single signal control electronic fan operation, the accurate control to electronic fan may be implemented in the present invention
System, and then the use power of electronic fan can be reduced, reduce the power consumption of engine.
As shown in figure 9, the structure for the control device of another electronic vehicle fan disclosed by the embodiments of the present invention is shown
It is intended to, the embodiment of the invention discloses a kind of control device of electronic vehicle fan, the control devices, further includes:
Second judgment unit 105, for receiving air conditioning pressure signal, speed signal and the first hair in the receiving unit
After motivation water temperature signal, judge whether the engine water temperature signal reaches default cutting water temperature value, obtains cutting water temperature value and sentence
Disconnected result；Judge whether the air conditioning pressure signal reaches default cut-out pressure value, obtains cut-out pressure value judging result；
Second control unit 106, for when in the cutting water temperature value judging result and cut-out pressure value judging result
One or two Xiang Douwei when being, controls the air-conditioning state as cutting.
In addition, the second judgment unit 105, is also used to receive air conditioning pressure signal, speed letter in the receiving unit
Number and the first engine water temperature signal after, judge whether the engine water temperature signal reaches default and be attracted water temperature value, obtain
It is attracted water temperature value judging result；Judge whether the air conditioning pressure signal reaches default and be attracted pressure value, obtains being attracted pressure value
Judging result；
Second control unit 106 is also used to sentence when the actuation water temperature value judging result with the actuation pressure value
When two Xiang Douwei are in disconnected result, the air-conditioning state is controlled to be attracted.
As shown in Figure 10, the structure for the control device of another electronic vehicle fan disclosed by the embodiments of the present invention is shown
It is intended to, the embodiment of the invention discloses a kind of control device of electronic vehicle fan, the control devices, further includes:
Second receiving unit 107, for receiving the second engine water temperature signal after the engine misses；
Second arithmetic element 108, for being transported to the second engine water temperature signal according to preset algorithm
It calculates, obtains engine water temperature signal operation result；
Third control unit 109, for according to the engine water temperature signal operation result to the fan duty ratio control
Device processed sends water temperature and controls signal；
Wherein, the water temperature control signal is run for controlling electronic fan according to water temperature duty ratio.
But after being not engine misses, the second receiving unit 107 directly receives the second engine water temperature signal, and
It is just to execute only when current vehicle condition meets predetermined condition and receive engine water temperature signal and its subsequent step.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.The device provided for embodiment
For, since it is corresponding with the method that embodiment provides, so being described relatively simple, related place is said referring to method part
It is bright.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of control method of electronic vehicle fan characterized by comprising
Receive air conditioning pressure signal, speed signal and the first engine water temperature signal；
According to preset algorithm, operation is carried out to the air conditioning pressure signal, speed signal and engine water temperature signal,
Obtain the first operation result；
First control signal is sent to fan occupancy controller according to first operation result；
Wherein, the first control signal is run for controlling electronic fan according to first control signal duty ratio；
After the reception air conditioning pressure signal, speed signal and the first engine water temperature signal, further includes:
Judge whether the first engine water temperature signal reaches default cutting water temperature value, obtains cutting water temperature value judging result；
Judge whether the air conditioning pressure signal reaches default cut-out pressure value, obtains cut-out pressure value judging result；
When any one of the cutting water temperature value judging result and the cut-out pressure value judging result or two Xiang Douwei are, control
The air-conditioning state is made as cutting.
2. the method according to claim 1, wherein further include:
Receive gearbox oil temperature signal；
According to preset algorithm, operation is carried out to the gearbox oil temperature signal, obtains the second operation result；
Judge the size of first operation result Yu second operation result；
When first operation result is not less than second operation result, the wind is sent by the first control signal
Fan occupancy controller；
When first operation result is less than second operation result, the fan duty is sent by second control signal
Compare controller；
Wherein, the second control signal is run for controlling electronic fan according to second control signal duty ratio.
3. method according to claim 1 or 2, which is characterized in that
After the reception air conditioning pressure signal, speed signal and the first engine water temperature signal, further includes:
Judge whether the first engine water temperature signal reaches default and be attracted water temperature value, obtains being attracted water temperature value judging result；
Judge whether the air conditioning pressure signal reaches default and be attracted pressure value, obtains being attracted pressure value judging result；
When two Xiang Douwei are in the actuation water temperature value judging result and the actuation pressure value judging result, the sky is controlled
Tune state is to be attracted.
4. the method according to any one of claims 1 and 2, which is characterized in that further include:
After engine misses, the second engine water temperature signal is received；
According to preset algorithm, operation is carried out to the second engine water temperature signal, obtains the second engine water temperature letter
Number operation result；
Water temperature, which is sent, to the fan occupancy controller according to the second engine water temperature signal operation result controls signal；
Wherein, the water temperature control signal is run for controlling electronic fan according to water temperature duty ratio.
5. according to the method described in claim 4, it is characterized in that,
After engine misses, before the second engine water temperature signal of the reception, further includes:
Detect the runing time of engine；
Judge whether the runing time is not less than preset time；
When the judgment result is yes, it executes and receives the second engine water temperature signal and its subsequent step.
6. according to the method described in claim 5, it is characterized in that, after engine misses, in the second engine of the reception
Before water temperature signal, further includes:
Detect battery current voltage value；
Judge whether the battery current voltage value is not less than preset voltage value；
When the judgment result is yes, it executes and receives the second engine water temperature signal and its subsequent step.
7. a kind of control device of electronic vehicle fan characterized by comprising
First receiving unit, for receiving air conditioning pressure signal, speed signal and the first engine water temperature signal；
First arithmetic element, for sending out the air conditioning pressure signal, speed signal and first according to preset algorithm
Motivation water temperature signal carries out operation, obtains the first operation result；
First control unit, for sending first control signal to fan occupancy controller according to first operation result；
Wherein, the first control signal is run for controlling electronic fan according to first control signal duty ratio；
Further include:
Second judgment unit, for receiving air conditioning pressure signal, speed signal and the first engine water in the receiving unit
After warm signal, judge whether the first engine water temperature signal reaches default cutting water temperature value, obtains cutting water temperature value judgement
As a result；Judge whether the air conditioning pressure signal reaches default cut-out pressure value, obtains cut-out pressure value judging result；
Second control unit, for working as any one of the cutting water temperature value judging result and cut-out pressure value judging result or two
When Xiang Douwei is, the air-conditioning state is controlled as cutting.
8. control device according to claim 7, which is characterized in that further include:
First receiving unit, is also used to receive gearbox oil temperature signal；
First arithmetic element, is also used to according to preset algorithm, carries out operation to the gearbox oil temperature signal, obtains
To the second operation result；
First judging unit, for judging the size of first operation result Yu second operation result；
The first control unit is also used to when first operation result is not less than second operation result, will be described
First control signal is sent to the fan occupancy controller；When first operation result is less than second operation result
When, the fan occupancy controller is sent by second control signal；
Wherein, the second control signal is run for controlling electronic fan according to second control signal duty ratio.
9. control device according to claim 7, which is characterized in that the second judgment unit is also used to connect described
After receiving unit reception air conditioning pressure signal, speed signal and the first engine water temperature signal, first engine water is judged
Whether warm signal, which reaches default, is attracted water temperature value, obtains being attracted water temperature value judging result；Whether judge the air conditioning pressure signal
Reach default and be attracted pressure value, obtains being attracted pressure value judging result；
Second control unit is also used to when in the actuation water temperature value judging result and the actuation pressure value judging result
When two Xiang Douwei are, the air-conditioning state is controlled to be attracted.
10. control device according to claim 7 or 8, which is characterized in that further include:
Second receiving unit, for receiving the second engine water temperature signal after engine misses；
Second arithmetic element, for carrying out operation to the second engine water temperature signal, obtaining according to preset algorithm
Second engine water temperature signal operation result；
Third control unit, for according to the second engine water temperature signal operation result to the fan occupancy controller
It sends water temperature and controls signal；
Wherein, the water temperature control signal is run for controlling electronic fan according to water temperature duty ratio.
11. control device according to claim 10, which is characterized in that further include:
First detection unit, for after engine misses, before the second engine water temperature signal of the reception, detection to be started
The runing time of machine；
Third judging unit, for judging whether the runing time is not less than preset time；
Second receiving unit receives the second engine water temperature signal when the judging result, which is, is.
12. control device according to claim 10, which is characterized in that further include:
Second detection unit, for before the second engine water temperature signal of the reception, detecting electric power storage after engine misses
Pond current voltage value；
4th judging unit, for judging whether the battery current voltage value is not less than preset voltage value；
Second receiving unit receives the second engine water temperature signal when the judging result, which is, is.
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| CN106870099B (en) * | 2017-03-09 | 2019-02-01 | 山东大学 | A kind of control method of the hybrid vehicle heat management system based on fixed road spectrum |
| CN109424572B (en) * | 2017-08-25 | 2020-03-31 | 比亚迪股份有限公司 | Control method, device and system of vehicle fan and vehicle |
| CN108049957A (en) * | 2017-10-25 | 2018-05-18 | 宝沃汽车（中国）有限公司 | Automatic calibration method, system and the vehicle of finished vehicle electronic fan |
| CN108397274A (en) * | 2018-03-06 | 2018-08-14 | 北京长安汽车工程技术研究有限责任公司 | Automobile fan control method |
| CN111660753A (en) * | 2019-03-05 | 2020-09-15 | 上汽通用汽车有限公司 | Automatic control system for pressure in automobile air conditioner pipe |
| CN110107391B (en) * | 2019-05-23 | 2020-10-16 | 浙江吉利控股集团有限公司 | Engine fan post-operation control method and system and electronic equipment |
| CN113006925B (en) * | 2021-02-23 | 2022-09-13 | 东风柳州汽车有限公司 | Stepless speed regulation method, device and system for automobile fan |
| CN114810320B (en) * | 2021-06-17 | 2023-05-12 | 长城汽车股份有限公司 | Two-stage fan control method, device, medium and equipment |
| CN113323902B (en) * | 2021-06-18 | 2022-09-09 | 中国第一汽车股份有限公司 | Control information determination method, operation control method and device for vehicle cooling fan |
| CN114645867A (en) * | 2021-08-24 | 2022-06-21 | 长城汽车股份有限公司 | Control method and device of vehicle fan, storage medium, electronic equipment and vehicle |
| CN116576141A (en) * | 2023-05-12 | 2023-08-11 | 长城汽车股份有限公司 | Electronic fan control method and device, electronic equipment and vehicle |
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| DE19508102C1 (en) * | 1995-03-08 | 1996-07-25 | Volkswagen Ag | Method for regulating a cooling circuit of an internal combustion engine, in particular for motor vehicles |
| US6045482A (en) * | 1998-03-02 | 2000-04-04 | Cummins Engine Company, Inc. | System for controlling air flow to a cooling system of an internal combustion engine |
| CN101216042B (en) * | 2008-01-04 | 2010-10-13 | 广州大华德盛科技有限公司 | Control method of cooling fan control device |
| CN103775186B (en) * | 2012-10-17 | 2016-04-27 | 重庆长安汽车股份有限公司 | Two automobile fans three-step timing control circuit and controlling method |
| CN102900509A (en) * | 2012-10-31 | 2013-01-30 | 无锡商业职业技术学院 | Automobile cooling fan control circuit |
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