CN104832264B - The control method of cooling fan, device and automobile in automobile - Google Patents
The control method of cooling fan, device and automobile in automobile Download PDFInfo
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- CN104832264B CN104832264B CN201410806015.7A CN201410806015A CN104832264B CN 104832264 B CN104832264 B CN 104832264B CN 201410806015 A CN201410806015 A CN 201410806015A CN 104832264 B CN104832264 B CN 104832264B
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- 238000001816 cooling Methods 0.000 title claims abstract description 192
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002826 coolant Substances 0.000 claims abstract description 108
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 230000000737 periodic effect Effects 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 abstract description 21
- 230000009471 action Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses control method, device and the automobile of cooling fan in a kind of automobile, wherein this method includes：Monitor whether the engine in automobile is in stopped status；If monitoring the Current Temperatures for the coolant that the engine in automobile is in stopped status, collection automobile；Judge whether the Current Temperatures of coolant are more than or equal to preset temperature threshold values；If it is determined that the Current Temperatures of coolant are more than or equal to preset temperature threshold values, then the cooling fan in automobile is controlled to bring into operation, and using prefixed time interval as the cycle, the battery voltage in periodic detection automobile；And when detecting battery voltage less than or equal to predeterminated voltage threshold values, control cooling fan is out of service.This method is by adding the compensating action influenceed on automobile storage battery electricity, it is therefore prevented that the electricity of cooling fan operation consumption excessively makes automobile storage battery undertension, and the consequence for causing automobile not start normally, improves vehicle performance.
Description
Technical field
The present invention relates to the control method of cooling fan in automobile technical field, more particularly to a kind of automobile, device and
A kind of automobile of the control device with the cooling fan.
Background technology
At present, in the water cooling system of engine, the function of cooling fan is that inspiration air makes it when fan rotates
By radiator, to strengthen the heat-sinking capability of radiator, accelerate the cooling of coolant.Cooling system must have enough ventilations
To absorb the heat of coolant, heat is taken away.The ventilation of vehicle is run the air quantity and nature of inspiration by cooling system fan
Wind two parts are constituted.System ventilation amount is main by fan when in automobile high-speed, main ventilation is natural wind, low speed and parking
To provide.Automobile is from driving to after parking, and the head-on wind without high speed, fan is not turned on, and coolant temperature can be raised rapidly.
In order to prevent that now coolant temperature is too high, in general automobile control engine can be set to control cooling fan operation after shutting down
Function.
In the related art, as shown in figure 1, the existing control strategy of cooling fan operation is：When engine is shut down every time
By obtain coolant temperature T, with a fixed limit temperature ToIt is compared.If coolant temperature T does not have at that time
Reach limit temperature ToJust cooling fan is not controlled to run；And if coolant temperature T has reached this limit temperature T at that timeo, just
Cooling fan operation is controlled, and maintains the time control of operation in the set time t of a settingoIt is interior.
But be the problem of exist：Existing control strategy is fairly simple, and cooling system when engine is shut down is not considered
When coolant temperature is different in system, demand to system ventilation amount is simultaneously differed；Also, due to the operation of general automobile cooling fan
Power comes from automobile storage battery, so, when the overlong time that cooling fan is run, storage battery electric quantity consumption may be made excessive and
Cause vehicle launch difficulty next time.
The content of the invention
The purpose of the present invention is intended at least solve one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the present invention is the control method for proposing cooling fan in a kind of automobile.This method is led to
Cross the compensating action for adding and being influenceed on automobile storage battery electricity, it is therefore prevented that the electricity of cooling fan operation consumption excessively makes automobile storage battery
Undertension, and the consequence for causing automobile not start normally, improve vehicle performance.
Second object of the present invention is the control device for proposing cooling fan in a kind of automobile.
Third object of the present invention is to propose a kind of automobile.
To achieve these goals, in the automobile of first aspect present invention embodiment cooling fan control method, including：
Monitor whether the engine in automobile is in stopped status；If monitoring that the engine in the automobile is in stopped status,
Then gather the Current Temperatures of the coolant in the automobile；Judge whether the Current Temperatures of the coolant are more than or equal to preset
Threshold temperature；If it is determined that the Current Temperatures of the coolant are more than or equal to the preset temperature threshold values, then the vapour is controlled
Cooling fan in car brings into operation, and using prefixed time interval as the cycle, the battery voltage in automobile described in periodic detection；With
And when detecting the battery voltage less than or equal to predeterminated voltage threshold values, control the cooling fan out of service.
The control method of cooling fan in automobile according to embodiments of the present invention, can monitor whether the engine in automobile is located
In stopped status, if it is, gathering the Current Temperatures of the coolant in automobile, and judge whether the Current Temperatures of coolant are big
In or equal to preset temperature threshold values, if it is, the cooling fan in control automobile brings into operation, and using prefixed time interval as
Battery voltage in cycle, periodic detection automobile, when detecting battery voltage less than or equal to predeterminated voltage threshold values, is controlled cold
But fan is out of service, i.e., during control cooling fan operation, by adding the compensation influenceed on automobile storage battery electricity
Effect, it is therefore prevented that the electricity of cooling fan operation consumption excessively makes automobile storage battery undertension, and cause the automobile not open normally
Dynamic consequence, improves vehicle performance.
In addition, also there is following additional technical feature according to the control method of cooling fan in the automobile of the present invention：
According to one embodiment of present invention, it is more than or equal to the default temperature in the Current Temperatures for judging the coolant
After bottom valve value, methods described also includes：Obtained according to the Current Temperatures of default Temperature-time control curve and the coolant
Take the Estimated Time Of Operation of the cooling fan.
According to one embodiment of present invention, during the cooling fan operation is controlled, methods described also includes：
Judge whether the run time of the cooling fan is more than or equal to the Estimated Time Of Operation；If it is determined that the cooling fan
Run time be more than or equal to the Estimated Time Of Operation, then control the cooling fan out of service.
According to one embodiment of present invention, when the run time for judging the cooling fan is less than the predicted operation
Between when, continue using prefixed time interval as the cycle, the battery voltage in automobile described in periodic detection.
To achieve these goals, in the automobile of second aspect present invention embodiment cooling fan control device, including：
Monitoring modular, for monitoring whether the engine in automobile is in stopped status；Acquisition module, in monitoring modular prison
When measuring the engine in the automobile in stopped status, the Current Temperatures of the coolant in the automobile are gathered；First sentences
Whether disconnected module, the Current Temperatures for judging the coolant are more than or equal to preset temperature threshold values；Control module, for
When first judge module judges that the Current Temperatures of the coolant are more than or equal to the preset temperature threshold values, control is described
Cooling fan in automobile brings into operation；Detection module, for using prefixed time interval as the cycle, in automobile described in periodic detection
Battery voltage；The control module is additionally operable to detect the battery voltage less than or equal to default electricity in the detection module
During pressure valve value, control the cooling fan out of service.
The control device of cooling fan in automobile according to embodiments of the present invention, can be by monitoring module monitors automobile
Whether engine is in stopped status, when engine of the acquisition module in monitoring module monitors into automobile is in stopped status,
The Current Temperatures of the coolant in automobile are gathered, it is pre- that the first judge module judges whether the Current Temperatures of coolant are more than or equal to
If threshold temperature, control module judges that the Current Temperatures of coolant are more than or equal to preset temperature threshold values in the first judge module
When, control the cooling fan in automobile to bring into operation, detection module is using prefixed time interval as the cycle, in periodic detection automobile
Battery voltage, when detection module detects battery voltage less than or equal to predeterminated voltage threshold values, control module control cooling wind
Fan is out of service, i.e., during control cooling fan operation, by adding the compensating action influenceed on automobile storage battery electricity,
Preventing the electricity of cooling fan operation consumption excessively makes automobile storage battery undertension, and causes after automobile can not normally start
Really, vehicle performance is improved.
In addition, also there is following additional technical feature according to the control device of cooling fan in the automobile of the present invention：
According to one embodiment of present invention, the control device also includes：Acquisition module, for judging described first
Module judge the coolant Current Temperatures be more than or equal to the preset temperature threshold values after, according to it is default temperature-when
Between the Current Temperatures of control curve and the coolant obtain the Estimated Time Of Operation of the cooling fan.
According to one embodiment of present invention, the control device also includes：Second judge module, in the control
During module controls the cooling fan operation, judge the run time of the cooling fan whether more than or equal to described
Estimated Time Of Operation；The control module is additionally operable to judge that the run time of the cooling fan is big in second judge module
When the Estimated Time Of Operation, control the cooling fan out of service.
According to one embodiment of present invention, the detection module is additionally operable to judge described cold in second judge module
But when the run time of fan is less than the Estimated Time Of Operation, continue using prefixed time interval as the cycle, described in periodic detection
Battery voltage in automobile.
To achieve these goals, the automobile of third aspect present invention embodiment, including second aspect present invention embodiment
Automobile in cooling fan control device.
Automobile according to embodiments of the present invention, can be by the monitoring module monitors automobile in the control device of cooling fan
Engine whether be in stopped status, acquisition module is in stopped status in engine of the monitoring module monitors into automobile
When, the Current Temperatures of the coolant in automobile are gathered, the first judge module judges whether the Current Temperatures of coolant are more than or wait
In preset temperature threshold values, control module judges that the Current Temperatures of coolant are more than or equal to preset temperature valve in the first judge module
During value, the cooling fan in control automobile brings into operation, and detection module is using prefixed time interval as the cycle, in periodic detection automobile
Battery voltage, detection module detect battery voltage less than or equal to predeterminated voltage threshold values when, control module control cooling
Fan is out of service, i.e., during control cooling fan operation, the compensation that automobile storage battery electricity influences is made by adding
Excessively make automobile storage battery undertension with the electricity of, it is therefore prevented that cooling fan operation consumption, and cause the automobile not start normally
Consequence, improve vehicle performance.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein,
Fig. 1 is the exemplary plot of the control method of cooling fan of the prior art；
Fig. 2 is the flow chart of the control method of cooling fan in automobile according to an embodiment of the invention；
Fig. 3 is the flow chart of the control method of cooling fan in automobile in accordance with another embodiment of the present invention；
Fig. 4 is the exemplary plot of the control method of cooling fan in automobile according to an embodiment of the invention；
Fig. 5 is the structural representation of the control device of cooling fan in automobile according to an embodiment of the invention；And
Fig. 6 is the structural representation of the control device of cooling fan in automobile in accordance with another embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Made to solve to make when the overlong time that cooling fan is run the storage battery electric quantity consumption of automobile excessive
The problem of into vehicle launch difficulty etc. next time, the present invention propose in a kind of automobile the control method of cooling fan, device with
And the automobile with the control device.Specifically, below with reference to the accompanying drawings describe to cool down wind in automobile according to embodiments of the present invention
The automobile of the control method of fan, device and the control device with the cooling fan.
Fig. 2 is the flow chart of the control method of cooling fan in automobile according to an embodiment of the invention.Such as Fig. 2 institutes
Show, the control method of cooling fan can include in the automobile：
Whether the engine in S201, monitoring automobile is in stopped status.
S202, if monitoring the current of coolant of the engine in stopped status, collection automobile in automobile
Temperature.
It should be appreciated that in an embodiment of the present invention, coolant is the coolant in cooling system in automobile.Specifically
Ground, when monitoring that the engine in automobile is shut down, now gathers the Current Temperatures of coolant in cooling system.
S203, judges whether the Current Temperatures of coolant are more than or equal to preset temperature threshold values.
Wherein, in an embodiment of the present invention, preset temperature threshold values is construed as a fixed limit temperature, and this is pre-
If threshold temperature can be the limits value obtained beforehand through substantial amounts of experimental test.
That is, the Current Temperatures of a coolant are can obtain when the engine in automobile is shut down every time, now can be by
The Current Temperatures of the coolant are compared with preset temperature threshold values, that is, judge whether the Current Temperatures of coolant reach default temperature
Bottom valve value.
S204, if it is determined that the Current Temperatures of coolant are more than or equal to preset temperature threshold values, is then controlled cold in automobile
But fan brings into operation, and using prefixed time interval as the cycle, the battery voltage in periodic detection automobile.
Wherein, in an embodiment of the present invention, prefixed time interval is construed as a threshold values set in advance.Also
It is to say, when the Current Temperatures for judging coolant are more than or equal to preset temperature threshold values, the cooling fan in controllable automobile is opened
Begin to run, and using prefixed time interval as the cycle, periodically the battery voltage in automobile is detected and judged.
S205, when detecting battery voltage less than or equal to predeterminated voltage threshold values, control cooling fan is out of service.
Specifically, when certain one-time detection battery voltage less than or equal to predeterminated voltage threshold values, i.e. this time determine storage battery electricity
Force down when predeterminated voltage threshold values, can control cooling fan out of service.Wherein, in an embodiment of the present invention, predeterminated voltage
Threshold values can be set in advance.Thus, by considering the change of battery voltage, the time that control is run to cooling fan is compensated,
Avoid that cooling fan run time is long may to be made storage battery electric quantity consumption excessive and influence vehicle launch next time.
The control method of cooling fan in automobile according to embodiments of the present invention, can monitor whether the engine in automobile is located
In stopped status, if it is, gathering the Current Temperatures of the coolant in automobile, and judge whether the Current Temperatures of coolant are big
In or equal to preset temperature threshold values, if it is, the cooling fan in control automobile brings into operation, and using prefixed time interval as
Battery voltage in cycle, periodic detection automobile, when detecting battery voltage less than or equal to predeterminated voltage threshold values, is controlled cold
But fan is out of service, i.e., during control cooling fan operation, by adding the compensation influenceed on automobile storage battery electricity
Effect, it is therefore prevented that the electricity of cooling fan operation consumption excessively makes automobile storage battery undertension, and cause the automobile not open normally
Dynamic consequence, improves vehicle performance.
Fig. 3 is the flow chart of the control method of cooling fan in automobile in accordance with another embodiment of the present invention.
It should be appreciated that control cooling fan running in, also need consider cooling fan continuous working period because
Element, i.e., can also be according to default Temperature-time after the Current Temperatures for judging coolant are more than or equal to preset temperature threshold values
The Current Temperatures of control curve and coolant obtain the Estimated Time Of Operation of cooling fan, and judge the run time of cooling fan
Whether Estimated Time Of Operation is exceeded, and according to the judged result controls different to cooling fan progress.Specifically, as shown in figure 3,
The control method of cooling fan can include in the automobile：
Whether the engine in S301, monitoring automobile is in stopped status.
S302, if monitoring the current of coolant of the engine in stopped status, collection automobile in automobile
Temperature.
It should be appreciated that in an embodiment of the present invention, coolant is the coolant in cooling system in automobile.Specifically
Ground, when monitoring that the engine in automobile is shut down, now gathers the Current Temperatures of coolant in cooling system.
S303, judges whether the Current Temperatures of coolant are more than or equal to preset temperature threshold values.
Wherein, in an embodiment of the present invention, preset temperature threshold values is construed as a fixed limit temperature, and this is pre-
If threshold temperature can be the limits value obtained beforehand through substantial amounts of experimental test.
That is, the Current Temperatures of a coolant are can obtain when the engine in automobile is shut down every time, now can be by
The Current Temperatures of the coolant are compared with preset temperature threshold values, that is, judge whether the Current Temperatures of coolant reach default temperature
Bottom valve value.
S304, if it is determined that the Current Temperatures of coolant are more than or equal to preset temperature threshold values, is then controlled cold in automobile
But fan brings into operation, and using prefixed time interval as the cycle, the battery voltage in periodic detection automobile.
Wherein, in an embodiment of the present invention, prefixed time interval is construed as a threshold values set in advance.Also
It is to say, when the Current Temperatures for judging coolant are more than or equal to preset temperature threshold values, the cooling fan in controllable automobile is opened
Begin to run, and using prefixed time interval as the cycle, periodically the battery voltage in automobile is detected and judged.
S305, when detecting battery voltage less than or equal to predeterminated voltage threshold values, control cooling fan is out of service.
Specifically, when certain one-time detection battery voltage less than or equal to predeterminated voltage threshold values, i.e. this time determine storage battery electricity
Force down when predeterminated voltage threshold values, can control cooling fan out of service.Wherein, in an embodiment of the present invention, predeterminated voltage
Threshold values can be set in advance.Thus, by considering the change of battery voltage, the time that control is run to cooling fan is compensated,
Avoid that cooling fan run time is long may to be made storage battery electric quantity consumption excessive and influence vehicle launch next time.
S306, judge coolant Current Temperatures be more than or equal to preset temperature threshold values after, according to default temperature-
Time comparison curve and the Current Temperatures of coolant obtain the Estimated Time Of Operation of cooling fan.
It should be noted that in an embodiment of the present invention, in the running of control cooling fan, also needing to consider cold
But the continuous working period factor of fan.Specifically, it is more than or equal to preset temperature threshold values in the Current Temperatures for judging coolant
Afterwards, default Temperature-time control curve can be first obtained, and according to Temperature-time control curve and the current temperature of coolant
Degree gets the Estimated Time Of Operation of corresponding cooling fan.Wherein, in an embodiment of the present invention, default Temperature-time
Control curve can be the curve obtained beforehand through substantial amounts of experimental test, when the curve determines that different engines are shut down
The corresponding most suitable cooling fan run time of Current Temperatures of coolant.It is appreciated that Estimated Time Of Operation is to start
The time that cooling fan will be run when machine is shut down.
Wherein, during control cooling fan operation, it is also contemplated that corresponding factor does phase to the Estimated Time Of Operation
The adjustment answered.For example, during cooling fan operation, can pair estimated fortune in order to ensure the accurate and adaptability of run time
There is a secondary adjustment (or secondary and three adjustment process) the row time.Engineer can be prestored according to experimental test mark
The aim curve (i.e. above-mentioned Temperature-time control curve) set, this curve is coolant temperature different operating mode when shutting down
Under, vehicle carries out target coolant temperature when cooling fan runs to secondary (or three times) adjustment.Adjusted in secondary (or three times)
Target temperature in the coolant temperature now truly measured and this curve is contrasted when whole, if higher than target temperature,
Appropriate increase is carried out to remaining cooling fan run time；If otherwise the coolant temperature now truly measured is less than target
Temperature, then carry out appropriate reduction to remaining cooling fan run time.
S307, during control cooling fan operation, judges whether the run time of cooling fan is more than or equal to
Estimated Time Of Operation.
S308, if it is determined that the run time of cooling fan is more than or equal to Estimated Time Of Operation, then controls cooling fan
It is out of service.
In an embodiment of the present invention, when judge cooling fan run time be less than Estimated Time Of Operation when, continue with
Prefixed time interval is the battery voltage in cycle, periodic detection automobile.Specifically, when judging the run time of cooling fan not
Estimated Time Of Operation is reached, and when now battery voltage is still greater than predeterminated voltage threshold values, controllable cooling fan is continued to run with, and
Still using prefixed time interval as the cycle, the battery voltage in periodic detection automobile, until cooling fan run time be more than or
When being less than or equal to predeterminated voltage threshold values equal to Estimated Time Of Operation, or battery voltage, control cooling fan is out of service.
For example, as shown in figure 4, when monitoring that engine is shut down, the current temperature of the coolant in automobile can be gathered
T is spent, and by the Current Temperatures T of coolant and preset temperature threshold values ToJudged, if the Current Temperatures T of coolant is less than in advance
If threshold temperature To, then cooling fan is not controlled to run, i.e., engine need not be cooled down；If the Current Temperatures T of coolant is big
In or equal to preset temperature threshold values To, then can control automobile in cooling fan bring into operation, and using prefixed time interval Δ t as
Battery voltage V in cycle, periodic detection automobile, while can working as according to default Temperature-time control curve and coolant
Preceding temperature T obtains the Estimated Time Of Operation t of cooling fani, when certain one-time detection battery voltage V is less than or equal to predeterminated voltage valve
Value Vo, i.e. this time determine battery voltage V less than predeterminated voltage threshold values VoWhen, even if now the run time of cooling fan does not surpass
Cross Estimated Time Of Operation ti, still control cooling fan out of service；When the run time of cooling fan exceedes Estimated Time Of Operation ti
When, even if now battery voltage V is still greater than predeterminated voltage threshold values Vo, still control cooling fan out of service.
The control method of cooling fan in automobile according to embodiments of the present invention, also needs to consider the continuous service of cooling fan
Time factor, i.e., judge coolant Current Temperatures be more than or equal to preset temperature threshold values after, can according to default temperature-
Time comparison curve and the Current Temperatures of coolant obtain the Estimated Time Of Operation of cooling fan, and judge the operation of cooling fan
Whether the time exceedes Estimated Time Of Operation, and different controls are carried out to cooling fan according to judged result, i.e., due to engine
Coolant temperature difference correspondence different cooling fan run times during shutdown, according to default Temperature-time control curve and
The Current Temperatures of coolant, obtain the run time that cooling fan will need when this engine is shut down, improve cooling system
The performance of system.
In order to realize above-described embodiment, the invention allows for a kind of control device of cooling fan in automobile.
Fig. 5 is the structural representation of the control device of cooling fan in automobile according to an embodiment of the invention.Such as Fig. 5
Shown, the control device of cooling fan can include in the automobile：Monitoring modular 10, acquisition module 20, the first judge module 30,
Control module 40 and detection module 50.
Specifically, whether the engine that monitoring modular 10 can be used in monitoring automobile is in stopped status.
Acquisition module 20 can be used for, when the engine during monitoring modular 10 monitors automobile is in stopped status, gathering vapour
The Current Temperatures of coolant in car.It should be appreciated that in an embodiment of the present invention, coolant is in automobile in cooling system
Coolant.More specifically, when the engine that monitoring modular 10 is monitored in automobile is shut down, now acquisition module 20 gathers cold
But in system coolant Current Temperatures.
First judge module 30 can be used for whether the Current Temperatures for judging coolant are more than or equal to preset temperature threshold values.Its
In, in an embodiment of the present invention, preset temperature threshold values is construed as a fixed limit temperature, the preset temperature threshold values
It can be the limits value obtained beforehand through substantial amounts of experimental test.
That is, can obtain the Current Temperatures of a coolant when engine in automobile is shut down every time, first judges
The Current Temperatures of the coolant can be now compared by module 30 with preset temperature threshold values, that is, judge the Current Temperatures of coolant
Whether preset temperature threshold values is reached.
Control module 40 can be used for judging that the Current Temperatures of coolant are more than or equal to default temperature in the first judge module 30
During bottom valve value, the cooling fan in control automobile brings into operation.Detection module 50 can be used for using prefixed time interval as the cycle, fixed
Battery voltage in phase detection automobile.
Wherein, in an embodiment of the present invention, prefixed time interval is construed as a threshold values set in advance.Also
It is to say, when the first judge module 30 judges that the Current Temperatures of coolant are more than or equal to preset temperature threshold values, control module 40
Cooling fan in controllable automobile brings into operation, and detection module 50 can be using prefixed time interval as the cycle, periodically in automobile
Battery voltage detected and judged.
In an embodiment of the present invention, control module 40 can be additionally used in detection module 50 detect battery voltage be less than or
During equal to predeterminated voltage threshold values, control cooling fan is out of service.More specifically, when certain detection storage battery electricity of detection module 50
When pressure determines battery voltage less than predeterminated voltage threshold values less than or equal to predeterminated voltage threshold values, i.e. this time, control module 40 can
Control cooling fan out of service.Wherein, in an embodiment of the present invention, predeterminated voltage threshold values can be set in advance.Thus,
By considering the change of battery voltage, the time that control is run to cooling fan is compensated, it is to avoid cooling fan run time is long
Storage battery electric quantity consumption may be made excessive and vehicle launch next time is influenceed.
Further, in one embodiment of the invention, as shown in fig. 6, in the automobile cooling fan control device
It may also include：Acquisition module 60.Acquisition module 60 can be used for judging that the Current Temperatures of coolant are more than in the first judge module 30
Or equal to preset temperature threshold values after, according to the Current Temperatures of default Temperature-time control curve and coolant obtain cool down
The Estimated Time Of Operation of fan.
It should be noted that in an embodiment of the present invention, in the running of control cooling fan, also needing to consider cold
But the continuous working period factor of fan.Specifically, judge that the Current Temperatures of coolant are more than or waited in the first judge module 30
After preset temperature threshold values, acquisition module 60 can first obtain default Temperature-time control curve, and according to Temperature-time
The Current Temperatures of control curve and coolant get the Estimated Time Of Operation of corresponding cooling fan.Wherein, the present invention's
In embodiment, default Temperature-time control curve can be the curve obtained beforehand through substantial amounts of experimental test, the song
Line determines the corresponding most suitable cooling fan run time of Current Temperatures of coolant when different engines are shut down.It can manage
Solution, it is contemplated that run time is the time that cooling fan will be run when engine is shut down.
Wherein, during control cooling fan operation, it is also contemplated that corresponding factor does phase to the Estimated Time Of Operation
The adjustment answered.For example, during cooling fan operation, can pair estimated fortune in order to ensure the accurate and adaptability of run time
There is a secondary adjustment (or secondary and three adjustment process) the row time.Engineer can be prestored according to experimental test mark
The aim curve (i.e. above-mentioned Temperature-time control curve) set, this curve is coolant temperature different operating mode when shutting down
Under, vehicle carries out target coolant temperature when cooling fan runs to secondary (or three times) adjustment.Adjusted in secondary (or three times)
Target temperature in the coolant temperature now truly measured and this curve is contrasted when whole, if higher than target temperature,
Appropriate increase is carried out to remaining cooling fan run time；If otherwise the coolant temperature now truly measured is less than target
Temperature, then carry out appropriate reduction to remaining cooling fan run time.
Further, in an embodiment of the present invention, as shown in fig. 6, the control device of cooling fan may be used also in the automobile
Including：Second judge module 70.Second judge module 70 can be used for during the control cooling fan operation of control module 40,
Judge whether the run time of cooling fan is more than or equal to Estimated Time Of Operation.In an embodiment of the present invention, control module
40 can be additionally used in when the second judge module 70 judges that the run time of cooling fan is more than or equal to Estimated Time Of Operation, control
Cooling fan is out of service.
In an embodiment of the present invention, detection module 50 can be additionally used in the fortune that cooling fan is judged in the second judge module 70
When the row time is less than Estimated Time Of Operation, continue using prefixed time interval as the cycle, the battery voltage in periodic detection automobile.More
Specifically, when the second judge module 70 judges that the run time of cooling fan is not up to Estimated Time Of Operation, and now storage battery electricity
When pressure is still greater than predeterminated voltage threshold values, control module 40 can control cooling fan and continue to run with, when detection module 50 is still to preset
Between at intervals of the cycle, the battery voltage in periodic detection automobile, until the run time of cooling fan is more than or equal to estimated fortune
The row time, or battery voltage be less than or equal to predeterminated voltage threshold values when, control module 40 control cooling fan it is out of service.
Thus, coolant temperature difference correspondence different cooling fan run time when being shut down due to engine, according to pre-
If Temperature-time control curve and coolant Current Temperatures, obtain this engine shut down when cooling fan will need
Run time, improve the performance of cooling system.
The control device of cooling fan in automobile according to embodiments of the present invention, can be by monitoring module monitors automobile
Whether engine is in stopped status, when engine of the acquisition module in monitoring module monitors into automobile is in stopped status,
The Current Temperatures of the coolant in automobile are gathered, it is pre- that the first judge module judges whether the Current Temperatures of coolant are more than or equal to
If threshold temperature, control module judges that the Current Temperatures of coolant are more than or equal to preset temperature threshold values in the first judge module
When, control the cooling fan in automobile to bring into operation, detection module is using prefixed time interval as the cycle, in periodic detection automobile
Battery voltage, when detection module detects battery voltage less than or equal to predeterminated voltage threshold values, control module control cooling wind
Fan is out of service, i.e., during control cooling fan operation, by adding the compensating action influenceed on automobile storage battery electricity,
Preventing the electricity of cooling fan operation consumption excessively makes automobile storage battery undertension, and causes after automobile can not normally start
Really, vehicle performance is improved.
In order to realize above-described embodiment, the invention allows for a kind of automobile, include the automobile of any of the above-described embodiment
The control device of middle cooling fan.
Automobile according to embodiments of the present invention, can be by the monitoring module monitors automobile in the control device of cooling fan
Engine whether be in stopped status, acquisition module is in stopped status in engine of the monitoring module monitors into automobile
When, the Current Temperatures of the coolant in automobile are gathered, the first judge module judges whether the Current Temperatures of coolant are more than or wait
In preset temperature threshold values, control module judges that the Current Temperatures of coolant are more than or equal to preset temperature valve in the first judge module
During value, the cooling fan in control automobile brings into operation, and detection module is using prefixed time interval as the cycle, in periodic detection automobile
Battery voltage, detection module detect battery voltage less than or equal to predeterminated voltage threshold values when, control module control cooling
Fan is out of service, i.e., during control cooling fan operation, the compensation that automobile storage battery electricity influences is made by adding
Excessively make automobile storage battery undertension with the electricity of, it is therefore prevented that cooling fan operation consumption, and cause the automobile not start normally
Consequence, improve vehicle performance.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (5)
1. the control method of cooling fan in a kind of automobile, it is characterised in that comprise the following steps：
Monitor whether the engine in automobile is in stopped status；
If monitoring that the engine in the automobile is in stopped status, the current temperature of the coolant in the automobile is gathered
Degree；
Judge whether the Current Temperatures of the coolant are more than or equal to preset temperature threshold values；
If it is determined that the Current Temperatures of the coolant are more than or equal to the preset temperature threshold values, then control in the automobile
Cooling fan brings into operation, and using prefixed time interval as the cycle, the battery voltage in automobile described in periodic detection；
When detecting the battery voltage less than or equal to predeterminated voltage threshold values, control the cooling fan out of service；
Judge the coolant Current Temperatures be more than or equal to the preset temperature threshold values after, according to default temperature-
Time comparison curve and the Current Temperatures of the coolant obtain the Estimated Time Of Operation of the cooling fan；
During the cooling fan operation is controlled, judge whether the run time of the cooling fan is more than or equal to institute
State Estimated Time Of Operation；
If it is determined that the run time of the cooling fan is more than or equal to the Estimated Time Of Operation, then the cooling wind is controlled
Fan is out of service.
2. the control method of cooling fan in automobile as claimed in claim 1, it is characterised in that when judging the cooling fan
Run time be less than the Estimated Time Of Operation when, continue using prefixed time interval as the cycle, in automobile described in periodic detection
Battery voltage.
3. the control device of cooling fan in a kind of automobile, it is characterised in that including：
Monitoring modular, for monitoring whether the engine in automobile is in stopped status；
Acquisition module, for when the monitoring module monitors to the engine in the automobile are in stopped status, gathering institute
State the Current Temperatures of the coolant in automobile；
Whether the first judge module, the Current Temperatures for judging the coolant are more than or equal to preset temperature threshold values；
Control module, for judging that it is described default that the Current Temperatures of the coolant are more than or equal in first judge module
During threshold temperature, the cooling fan in the automobile is controlled to bring into operation；
Detection module, for using prefixed time interval as the cycle, the battery voltage in automobile described in periodic detection；
The control module is additionally operable to detect the battery voltage less than or equal to predeterminated voltage threshold values in the detection module
When, control the cooling fan out of service；
Acquisition module, for judging that it is described default that the Current Temperatures of the coolant are more than or equal in first judge module
After threshold temperature, the cooling wind is obtained according to the Current Temperatures of default Temperature-time control curve and the coolant
The Estimated Time Of Operation of fan；
Second judge module, during controlling the cooling fan operation in the control module, judges the cooling
Whether the run time of fan is more than or equal to the Estimated Time Of Operation；
The control module is additionally operable to judge that the run time of the cooling fan is more than or equal in second judge module
During the Estimated Time Of Operation, control the cooling fan out of service.
4. the control device of cooling fan in automobile as claimed in claim 3, it is characterised in that the detection module is additionally operable to
When second judge module judges that the run time of the cooling fan is less than the Estimated Time Of Operation, continue with default
Time interval is the battery voltage in cycle, automobile described in periodic detection.
5. a kind of automobile, it is characterised in that include the control of cooling fan in the automobile as any one of claim 3 to 4
Device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410806015.7A CN104832264B (en) | 2014-12-19 | 2014-12-19 | The control method of cooling fan, device and automobile in automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410806015.7A CN104832264B (en) | 2014-12-19 | 2014-12-19 | The control method of cooling fan, device and automobile in automobile |
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| CN104832264B true CN104832264B (en) | 2017-07-11 |
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| CN105242713B (en) * | 2015-10-26 | 2017-09-26 | 北京长安汽车工程技术研究有限责任公司 | A kind of control method of electric heater, device, electric heater and automobile |
| CN108528369B (en) * | 2017-03-06 | 2022-08-09 | 腾讯科技（深圳）有限公司 | Vehicle control method and device |
| CN111251882A (en) * | 2018-11-30 | 2020-06-09 | 长城汽车股份有限公司 | Vehicle heat dissipation control method and system |
| CN114382719A (en) * | 2022-01-20 | 2022-04-22 | 杭州吉利汽车有限公司 | Fan control method, control system and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3733550B2 (en) * | 2000-12-05 | 2006-01-11 | 愛三工業株式会社 | Engine cooling system |
| JP4306782B2 (en) * | 2007-11-21 | 2009-08-05 | トヨタ自動車株式会社 | Vehicle cooling control apparatus and cooling control method |
| JP2010068623A (en) * | 2008-09-10 | 2010-03-25 | Toyota Motor Corp | Power system and vehicle equipped with it |
| JP5725831B2 (en) * | 2010-12-15 | 2015-05-27 | 愛三工業株式会社 | Engine cooling system |
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Denomination of invention: Control method and device of cooling fan in automobile and automobile Effective date of registration: 20211213 Granted publication date: 20170711 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd. Registration number: Y2021990001167 |
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Date of cancellation: 20230925 Granted publication date: 20170711 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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Effective date of registration: 20231018 Address after: 101300 Shuanghe Street, Shunyi District, Beijing, 99 Patentee after: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing baowo Automobile Co.,Ltd. Effective date of registration: 20231018 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: 101300 Shuanghe Street, Shunyi District, Beijing, 99 Patentee before: BEIJING AUTOMOTIVE GROUP Co.,Ltd. |