CN106812584A - Apparatus and method for controlling the cooling fan of vehicle - Google Patents
Apparatus and method for controlling the cooling fan of vehicle Download PDFInfo
- Publication number
- CN106812584A CN106812584A CN201610852015.XA CN201610852015A CN106812584A CN 106812584 A CN106812584 A CN 106812584A CN 201610852015 A CN201610852015 A CN 201610852015A CN 106812584 A CN106812584 A CN 106812584A
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- Prior art keywords
- time
- rate
- change
- temperature
- cooling fan
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- 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
- F01P2025/04—Pressure
-
- 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
-
- 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
- F01P2025/60—Operating parameters
- F01P2025/66—Vehicle speed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention provides a kind of apparatus and method for controlling the cooling fan of vehicle, and it can prevent from damaging fan motor under cold weather conditions by locking fan motor.Device includes：Drive the fan motor of cooling fan；And controller, it produces the operation signal for controlling cooling fan, and operation signal is provided to fan motor, wherein controller confirms the igniting pent igniting shut-in time when igniting is opened, exceed in the igniting shut-in time and can determine that the time, and intake air temperature is present in when in predetermined temperature, the rate of change of the air regulator refrigerant pressure for time of measuring is confirmed, and fan motor is locked according to the rate of change of air regulator refrigerant pressure.
Description
Technical field
Device the present invention relates to be used to control the cooling fan of vehicle, and more particularly, to one kind for controlling
The apparatus and method of cooling fan, it can be under cold weather conditions, and such as winter prevents right by locking fan motor
The damage of fan motor.
Background technology
Because producing substantial amounts of heat in the engine of vehicle, cooling agent is circulated in the vicinity of engine, so as to cold
But engine, so as to reduce the temperature of engine.The cooling agent of heating is radiated in radiator, and cooling fan is mounted
In the engine room of vehicle, to improve the cooling effect of radiator.
Cooling fan keeps the temperature of cooling agent under suitable condition, so as to prevent the overheat of engine, and allows
The performance of engine is optimized.Cooling fan mainly passes through motor-driven.
In cold weather conditions, moisture or snow cover introduce cooling fan so that cooling fan freezes often generation.
Therefore, when cooling fan is freezed, or even under conditions of cooling fan is opened, cooling fan is not operated yet.
Under these conditions, cooling fan is not operated (operation) generally.But, when driver press defrost button so as to
During except defogging or frost, air regulator is operated so that air regulator refrigerant pressure little by little rises.Work as air regulator
When refrigerant pressure reaches predetermined pressure, it reaches the region that cooling fan should be operated.But, due to by cooling fan
Freeze the locking of motor for causing, cooling fan is not operated.In addition, when elongated between when locked, motor can be damaged,
Or in extreme circumstances, can be on fire in engine room.
When there is external temperature sensor in vehicle, cooling fan can be operated in subzero temperature.But, when outer
When in the not mounted vehicle of portion's temperature sensor, external temperature may be not inspected so that control may be not carried out, to prevent
Operation of the cooling fan in subzero temperature.In addition, in this case, cooling fan is operated under predetermined circumstances, is made
Obtaining cooling fan can be frozen, so as to cause the damage to motor.Damage to motor produces the overheat of engine, and this can
Cause larger repair cost.
Above- mentioned information disclosed in background section is used for the purpose of understanding of the enhancing to background of the invention, therefore its
The information for not constituting the national prior art known to persons of ordinary skill in the art can be included.
The content of the invention
Apparatus and method the present invention is provided to control the cooling fan of vehicle, it can be based on intake air temperature and air
Adjuster refrigerant temperature locks fan motor, to prevent the damage to fan motor under cold weather conditions.
Additionally, the apparatus and method of the cooling fan the present invention is provided to control vehicle, it can be big in chilling temperature
In or equal to operating cooling fan in the case of reference temperature.
Exemplary embodiment of the invention provides the device of the cooling fan for controlling vehicle, and cooling fan is installed in
In the engine room of vehicle, said apparatus include：Drive the fan motor of cooling fan；And controller, it is produced is used for
The operation signal of cooling fan is controlled, and by operation signal offer to fan motor, wherein controller is opened in igniting
When confirm igniting pent igniting shut-in time, exceed the time that can determine that in the igniting shut-in time, and intake air temperature is present
When in predetermined temperature, the rate of change of the air regulator refrigerant pressure for time of measuring is confirmed, and according to air
The rate of change locking fan motor of adjuster refrigerant pressure.
Controller confirms the first rate of change of the air regulator refrigerant pressure for the first time of measuring, by that will grasp
Make signal to provide to fan motor, the time of measuring of cooling fan second is operated by fan motor, confirm to be surveyed for second
Second rate of change of the air regulator refrigerant pressure of amount time, and stopped according to the first rate of change and the second rate of change cold
But the operation of fan.
Controller can calculate fiducial value based on the first rate of change and the second rate of change, judge whether fiducial value is less than or equal to
Judge reference value, and in the state of fiducial value is less than or equal to reference value is judged, a period of time is not kept in fiducial value
In the case of, stop the operation of cooling fan.
Device for controlling the cooling fan of vehicle can also include：State detector, it includes measuring intake air temperature
Intake air temperature measuring appliance；Measure the cooling agent measuring appliance of coolant temperature；The velocity meter of measuring vehicle speed；And measurement
At least one of pressometer of air regulator refrigerant pressure.
When compressor is operated and car speed is 0, controller can be provided to fan motor operation signal, and
According to the rate of change of the air regulator refrigerant pressure for time of measuring, fan motor is locked.
When intake air temperature is not present in predetermined temperature, controller can close compressor, and wherein controller close
Close in the state of air regulator switch, when coolant temperature is more than or equal to reference temperature, controller operation cooling fan.
Another exemplary embodiment of the invention provides a kind of dress for by the cooling fan for controlling vehicle
The method for putting the cooling fan of control vehicle, it includes：When igniting is opened, the pent point of igniting is confirmed by controller
The fiery shut-in time；Judge whether the igniting shut-in time exceedes and can determine that the time；When close event of lighting a fire exceedes can determine that the time,
Judge that intake air temperature whether there is in predetermined temperature；And when intake air temperature is present in predetermined temperature, according to for
The rate of change of the air regulator refrigerant pressure of time of measuring, locks fan motor.
In an exemplary embodiment of the present invention, can in cold weather conditions, such as winter prevents fan motor
Machine freezes, and therefore the operation by stopping fan motor preventing from damaging.
In addition, in the case where coolant temperature is more than or equal to reference temperature, cooling fan is operated such that it is able to anti-
The only overheat of engine.
To explicitly or implicitly be described in detailed description of the invention book can by exemplary embodiment of the invention
Other effects for obtaining or predicting.That is, exemplary reality of the invention will be described in following detail specifications
Apply the various effects of example prediction.
Brief description of the drawings
Fig. 1 is the square frame of the device of the cooling fan for controlling vehicle for showing exemplary embodiment of the invention
Figure.
Fig. 2 is the flow for showing the method for the cooling fan that controls vehicle according to an exemplary embodiment of the present invention
Figure.
Fig. 3 be show it is according to an exemplary embodiment of the present invention for control vehicle cooling fan method in work as sky
The exemplary view of control method when gas governor switch is closed.
Fig. 4 be show it is according to an exemplary embodiment of the present invention for control vehicle cooling fan method in be used for
Detect the flow chart of the method for locking.
Fig. 5 is for describing in the method for cooling fan for controlling vehicle according to an exemplary embodiment of the present invention
Exemplary view for detecting the method for locking.
Fig. 6 is for describing in the method for cooling fan for controlling vehicle according to an exemplary embodiment of the present invention
The exemplary view of the first rate of change and the second rate of change.
Specific embodiment
It should be understood that terms used herein " vehicle " or " vehicle " or other similar terms generally include motor vehicle
, such as including sport utility vehicle (SUV), bus, truck, various commerial vehicles passenger car, it is including each
The water carrier of canoe and steamer, aircraft etc. are planted, and including motor vehicle driven by mixed power, electric vehicle, plug-in hybrid electrically
Vehicle, hydrogen-powered vehicle and other alternative fuel vehicles (for example, from fuel of the resource in addition to oil).As herein
It is previously mentioned, motor vehicle driven by mixed power is the vehicle with two or more power resources, such as gasoline driven and driven by power
Vehicle.
In term used herein merely to describing specific embodiment, and it is not intended to limit the disclosure.Such as this paper institutes
Use, unless the context clearly other situations, singulative " a kind of/(a) ", " a kind of/(an) " and
" being somebody's turn to do " is intended to include plural form.It is also understood that when during term " including " and/or " including " are for this specification,
It specifies the presence of the feature, integer, step, operation, element and/or part, but and non-excluded one or more of the other spy
Levy, integer, step, operation, element, the presence or addition of part and/or its group.As it is used herein, term "and/or"
Any and all combination of one or more including related Listed Items.Through this specification, phase unless explicitly described
Anti- situation, words " including " and modification, such as " include " or " including " will be understood as implying the element for including specifying,
But any other element is not discharged.In addition, the term " unit ", " machine ", " device " and " module " described in present specification refers to use
In the unit for processing at least one function and operation, and can be realized by hardware component or software part and combinations thereof.
Additionally, the computer that control logic of the invention can be embodied as the non-transient on computer-readable medium can
Read medium, the computer-readable medium includes the executable program instructions performed by processor, controller etc..Computer can
The example for reading medium includes but is not limited to ROM, RAM, compact disk (CD)-ROMs, tape, floppy disk, flash drive, smart card
And optical data storage.Computer-readable medium can be also distributed in the computer system of network coupling, therefore is calculated
Machine computer-readable recording medium is stored and performed in a distributed way, for example, passing through telematics server or controller area net
Network (CAN).
Hereinafter, will be described in greater detail with reference to the attached drawings according to an exemplary embodiment of the present invention for controlling vehicle
The operating principle of the apparatus and method of cooling fan.But, the accompanying drawing that is provided below and the detail specifications that will be given below
It is related to one in the several exemplary embodiments for effectively describe feature of the invention preferred exemplary embodiment.Therefore,
The present invention is not limited solely to following drawing and description.
Hereinafter, exemplary embodiment of the invention will be described in detail with reference to the attached drawings.
Fig. 1 is the square frame of the device of the cooling fan for controlling vehicle for showing exemplary embodiment of the invention
Figure.
Device 50 for controlling the cooling fan of vehicle includes state detector 100, controller 110, air regulator
Switch 120, compressor 125, relay 130, connector 140, blower assembly 150, and cooling fan 160.
Information required for the detection control cooling fan 160 of state detector 100.State detector 100 is included into temperature
Degree measuring appliance 102, velocity meter 104, pressometer 106, and coolant temperature measuring appliance 108.
Intake air temperature measuring appliance 102 measures the intake air temperature as the temperature of the air for being incorporated into vehicle, and will measurement
Temperature provide to controller.
Velocity meter 104 measures the car speed as the speed of vehicle, and the car speed offer of measurement is arrived
Controller.
Pressometer 106 measures air regulator refrigerant pressure, and the air regulator refrigerant pressure that will be measured
Power is provided to controller.
Coolant temperature measuring appliance 108 measures the coolant temperature of engine, and the coolant temperature that will be measured is provided
To controller.
Controller 110 controls the state detector 100 of the part of the device 50 as the cooling fan for controlling vehicle,
Air regulator switch 120, compressor 125, relay 130, connector 140, blower assembly 150, and cooling fan 160
At least one of, with convenient to operate or stopping cooling fan 160.
When igniting is opened, controller 110 confirms the igniting pent igniting shut-in time.Surpass when the igniting shut-in time
The time of can determine that is spent, and intake air temperature is present in when in predetermined temperature, and controller 110 confirms the air for time of measuring
The rate of change of adjuster refrigerant pressure.Controller 110 adjusts the rate of change of machine refrigerant pressure to perform control according to air, with
Locking normally operates fan motor 157.To be more fully described for being controlled in controller 110 with reference to figs. 2 to Fig. 5
The method of cooling fan 160.
Therefore, controller 110, the predetermined journey can be implemented by by least one processor of predetermined procedure operation
Sequence can be programmed, with perform the cooling fan for controlling vehicle of exemplary embodiment of the invention method it is corresponding
The step of.
Air regulator switch 120 opens or closes air regulator.That is, air regulator switch 120 can lead to
Overdrive device or controller 110 opens or closes air regulator.
When 120 opening air regulator is switched by air regulator, compressor 125 compresses system at high temperature and pressure
Cryogen is operating air regulator.
Relay 130 is provided to connector 140 operation signal according to the control of controller 110.
Connector 140 receives the operation signal from relay 130, to drive fan motor 157.Therefore, connector
140 include high speed connector 143, low speed connector 146, and grounding connector 149.High speed connector 143 is directly connected
To fan motor 157, and low speed connector 146 is connected to fan motor 157 by resistor 153.Grounding connector
149 are connected to fan motor and ground.Herein, high speed connector 143, low speed connector 146 and grounding connector 149
Can be formed by switch.
When it receives the low-speed handing signal from relay 130, connector 140 passes through low speed connector 146 and electricity
Resistance device 153 drives fan motor 157.In addition, when it receives the high speed operation signal from relay 130, connector
140 drive fan motor 157 by high speed connector 143.
Blower assembly 150 includes fan motor 157 and resistor 153.
Fan motor 157 rotates the blade being included in cooling fan 160, to operate cooling fan 160.
Resistor 153 adjusts the speed of fan motor 157.That is, resistor 153 is bigger resistance value, fan
The powered speed of motor 157 is just smaller.
Cooling fan 160 is driven by the fan motor 157 being included in blower assembly 150.Cooling fan 160 exists
The temperature of cooling agent is kept under conditions of appropriate, so as to prevent the overheat of engine, and the performance of engine is allowed most preferably
Performance.
Hereinafter, will describe according to an exemplary embodiment of the present invention for controlling to be cooled down in vehicle with reference to figs. 2 to Fig. 6
The method of fan 160.
Fig. 2 is the flow for showing the method for the cooling fan that controls vehicle according to an exemplary embodiment of the present invention
Figure.
With reference to Fig. 2, controller 110 confirms whether igniting is opened (S210).Herein, by receiving from initial detecting
The igniting opening signal of device (not shown), controller 110 can confirm whether igniting is opened.
Controller 110 confirms the pent igniting shut-in time (S215) of igniting.That is, being opened it in igniting
Before, being counted by the pent time of lighting a fire, controller 110 can confirm the shut-in time of lighting a fire.
Controller 110 judges whether the igniting shut-in time exceedes and can determine that the time (S220).Herein, can determine that the time can
Indicate for judging the reference time that vehicle is parked at night, and can be set by staff, or by predetermined
Algorithm (for example, program or probabilistic model) sets.For example, can determine that the time can be six hours.
As described above, it is to confirm that vehicle is stopped at night to judge whether the igniting shut-in time exceedes the reason for can determine that the time
Put.In the case where vehicle is parked at night, it will be assumed that intake air temperature and external air temperature are mutually the same.Therefore, not
In the case of using external air temperature sensor, the damage to fan motor 157 can be prevented using intake air temperature.
When the shut-in time of lighting a fire exceedes can determine that the time, controller 110 confirms intake air temperature (S225).Herein, when
When the igniting of vehicle is closed, intake air temperature can be the temperature measured by intake air temperature measuring appliance.
Controller 110 judges that intake air temperature whether there is in (S230) in predetermined temperature.That is, controller 110 can
Judge whether intake air temperature is less than or equal to maximum temperature, and whether be more than or equal to minimum temperature.Herein, maximum temperature and
Minimum temperature indicates the reference temperature for judging the temperature that cooling fan can be frozen, and can be set by staff,
Or set by predetermined algorithm (for example, program or probabilistic model).For example, maximum temperature can be 7 DEG C, and minimum temperature
Degree can be -10 DEG C.
When intake air temperature is present in predetermined temperature, controller 110 judges whether compressor 125 is operated (S235).
That is, when intake air temperature is more than or equal to minimum temperature, and during less than or equal to maximum temperature, controller 110 can be sentenced
Whether compressor 125 is determined in open mode or closed mode.
When compressor 125 is operated, controller 110 judges whether car speed is 0 (S240).That is, when pressure
When contracting machine 125 is operated, controller 110 confirms the car speed provided from velocity meter.Controller 110 judges car speed
Whether whether it is 0, to judge vehicle in idling mode.In addition, when car speed is 0, controller 110 is produced for operating
The operation signal of cooling fan 160.Herein, operation signal can be for being grasped with the low speed of low-speed handing cooling fan 160
Make signal.
Controller 110 performs the lock-in detection (S245) on being locked out still normally operating fan motor 157.Will
The method for describing the locking for detecting fan motor in detail with reference to Fig. 4.
Controller 110 judges whether lock-in detection result is normal (S250).
When lock-in detection result is abnormal, controller 110 stops the operation (S255) of cooling fan 160.That is,
When lock-in detection result is locked out, controller 110 stops the operation of cooling fan 160, and stops the behaviour of compressor 125
Make.
Meanwhile, when lock-in detection result is normal, controller 110 moves to S275, to operate cooling fan 160.
Here, because normal method of the method with being commonly used for controlling cooling fan 160 for being used to control cooling fan 160
It is same or like, therefore, detailed description will be omitted.
Controller 110 confirms whether igniting is closed (S260).That is, when igniting is closed, controller 110 can
Complete the control of cooling fan.
Meanwhile, upon initiation between less than or equal to can determine that the time when, controller 110 can confirm cooling fan just it
Before (immediately previous) state (S265).That is, be can determine that when the igniting shut-in time is less than or equal to
During the time, because controller 110 can determine that vehicle is not parked at night, it is identified through previously opening the cooling wind that igniting judges
The state of fan 160.
Controller 110 judge cooling fan just before state it is whether normal (S270).
When cooling fan is when just state is normal before, controller 110 operates cooling fan 160 (S275).In addition, working as
When intake air temperature exceedes maximum temperature, because not being the weather of severe cold, controller 110 can normally drive cooling fan 160.So
Afterwards, controller 110 can confirm that igniting is closed.
Meanwhile, when intake air temperature is less than minimum temperature, the close compressor 125 (S280) of controller 110.
In S235, used as result is confirmed, compressor 125 is not operated, in S240, as result of determination, vehicle speed
Degree is not 0, or in S280, during 110 close compressor 125 of controller, controller 110 closes air regulator switch 120
(S285)。
Controller 110 confirms coolant temperature (S290).That is, when air regulator switch 120 is closed, control
Device processed 110 receives the coolant temperature provided from coolant temperature measuring appliance 108, to control cooling fan 160, and confirms
The coolant temperature of reception.Controller 110 judges whether coolant temperature is more than or equal to reference temperature.
When coolant temperature is more than or equal to reference temperature, controller 110 operates cooling fan 160 (S295).Also
It is to say, when coolant temperature is more than or equal to reference temperature, controller 110 is started by operating cooling fan 160 to reduce
The temperature of machine, to prevent the overheat of engine.Herein, whether reference temperature is indicated for judging produced within the engine
The reference temperature of heat, and can be predetermined value.For example, as shown in Figure 3, reference temperature 310 can be 105 DEG C.
Controller 110 is provided to fan motor 157 operation signal by relay 130 and connector 157, and is led to
Passing through fan motor 157 operates cooling fan 160.Herein, operation signal is high speed operation signal 320.Therefore, cooling fan
160 with high speed operation such that it is able to reduce the temperature of engine.
Fig. 4 be show it is according to an exemplary embodiment of the present invention for control vehicle cooling fan method in be used for
The flow chart of the method for locking is detected, Fig. 5 is for describing according to an exemplary embodiment of the present invention for controlling vehicle
It is used to detect the exemplary view of the method for locking in the method for cooling fan, and Fig. 6 is for describing according to the present invention
The first rate of change and the exemplary of the second rate of change are regarded in the method for the cooling fan for controlling vehicle of exemplary embodiment
Figure.
With reference to Fig. 4 to Fig. 6, controller 110 confirms of the air regulator refrigerant pressure for the first time of measuring
One rate of change (S410).Herein, the first time of measuring may indicate that when operation signal by relay 130 and connector 140 from
Controller 110 is transferred to the time postponed during fan motor 157.For by the operation in controller as described above 110
The reason for being transmitted after signal delay is to prevent the middle generation failure of relay 130, connector 140 etc..Herein, such as institute in Fig. 5
Show, the first time of measuring 510 can be the time from 0 second to the very first time.For example, the very first time can be 0.5 second.
In other words, controller 110 received the first air regulator refrigerant provided from pressometer 106 at 0 second
Pressure, and the second air regulator refrigerant pressure provided from pressometer 106 is provided in the very first time.Based on first
Air regulator refrigerant pressure and the second air regulator refrigerant pressure, controller 110 calculate the first rate of change.At this
In, the first rate of change can be represented by gradient 610, as shown in Figure 6.
Controller 110 operates the time of measuring (S420) of cooling fan 160 second.In other words, controller 110 is at first
Between operation signal is provided to relay 130, and relay 130 provides to connector 140 operation signal.Herein, grasp
It can be low-speed handing signal to make signal.When low-speed handing signal is received, the low speed connector 146 of connector 140 passes through
Resistance 153 drives fan motor 157.Therefore, cooling fan can be operated by fan motor 157.
Herein, as shown in figure 5, the second time of measuring 530 may indicate that the time that cooling fan 160 is operated, and can
Being predetermined value.Second time of measuring 530 can be the time from the very first time to the second time.For example, the second time can be with
It is 3.5 seconds.
Controller 110 stops the operation (S430) of cooling fan 160 in the second time.
Controller 110 confirms the second rate of change of the air regulator refrigerant pressure for the second time of measuring
(S440).In other words, controller 110 receives the 3rd air regulator system provided from pressometer 106 in the very first time
Refrigerant pressure, and the 4th air regulator refrigerant pressure provided from pressometer 106 is provided in the second time.It is based on
3rd air regulator refrigerant pressure and the 4th air regulator refrigerant pressure, controller 110 calculate the second rate of change.
Here, the second rate of change can be represented by gradient 630, as shown in Figure 6.
Whether the total time of measuring of the decision-point of controller 110 exceedes the reference time (S450).That is, controller 110
First time of measuring is added each other with the second time of measuring to produce total time of measuring, and judges that total time of measuring is
It is no more than the reference time.
Whether controller 110 judges fiducial value less than or equal to judgement reference value (S460).Specifically, based on the first change
Rate and the second rate of change, controller 110 calculate fiducial value.That is, controller 110 can calculate fiducial value by equation 1.
[equation 1]
C=B/A
Herein, C may indicate that fiducial value, and A may indicate that the first rate of change, and B may indicate that the second rate of change.
Whether controller 110 judges fiducial value less than or equal to judgement reference value (S460).Herein, judge that reference value is
Reference value for determining whether normal operating fan motor 157 or locking fan motor 157.For example, judging reference value
Can be 0.7.
In the state of fiducial value is less than or equal to reference value is judged, controller 110 judges whether fiducial value is kept one
Section time (S470).For example, a period of time can be 2 seconds.
In the state of fiducial value is less than or equal to reference value is judged, when fiducial value is kept a period of time, controller
110 judgement cooling fans 160 are normal (S480).
In the state of fiducial value is less than or equal to reference value is judged, exceedes in fiducial value and judge the reference time, or ratio
In the case of being kept a period of time compared with value, controller 110 judges that cooling fan 157 is locked (S490).
As described above, when the shut-in time of lighting a fire is more than can determine that the time, based on entering for the air for introducing vehicle from the outside
Temperature degree, the device 50 that exemplary embodiment of the invention is used for the cooling fan for controlling vehicle determines whether there is cold
Weather condition (for example, winter).In cold weather conditions, air adjustment is confirmed for the device 50 for controlling cooling fan
The rate of change of device refrigerant pressure is locking fan motor 157 such that it is able to prevent the damage to fan motor.
Although it is presently believed to be actual exemplary embodiment and describes the present invention combined, it should be appreciated that,
The invention is not restricted to disclosed embodiment, on the contrary, it is intended to cover be included in it is various in the scope of appended claims
Modification and equivalent arrangements.
Claims (13)
1. a kind of device for controlling the cooling fan of vehicle, the cooling fan is installed in the engine room of the vehicle
In, described device includes：
Fan motor, it drives the cooling fan；And
Controller, it is produced for controlling the operation signal of the control cooling fan, and operation signal is provided described in
Fan motor,
Wherein described controller confirms the igniting pent igniting shut-in time when igniting is opened, and surpasses in the igniting shut-in time
The time of can determine that is spent, and intake air temperature is present in when in predetermined temperature, confirms the air regulator system for time of measuring
The rate of change of refrigerant pressure, and the fan motor is locked according to the rate of change of air regulator refrigerant pressure.
2. device according to claim 1, wherein：
The controller confirms the first rate of change of the air regulator refrigerant pressure for the first time of measuring, by that will grasp
Make signal to provide to fan motor, the time of measuring of cooling fan second is operated by the fan motor, it is right to confirm
In the second rate of change of the air regulator refrigerant pressure of the second time of measuring, and according to first rate of change and described
Second rate of change stops the operation of the cooling fan.
3. device according to claim 2, wherein：
Whether the controller is based on first rate of change and second rate of change calculates fiducial value, judges the fiducial value
Less than or equal to judgement reference value, and in the state of the fiducial value is less than or equal to the judgement reference value, described
In the case that fiducial value is not kept a period of time, stop the operation of the cooling fan.
4. device according to claim 1, it also includes：
At least one of state detector, including the following：The intake air temperature measuring appliance of the intake air temperature is measured, is measured
The cooling agent measuring appliance of coolant temperature, the velocity meter of measuring vehicle speed, and measure the air regulator refrigeration
The pressometer of agent pressure.
5. device according to claim 1, wherein：
When compressor is operated and car speed is 0, the controller provides to the fan motor operation signal, and
And according to the rate of change of the air regulator refrigerant pressure for the time of measuring, lock the fan motor.
6. device according to claim 1, wherein：
When the intake air temperature is not present in the predetermined temperature, the controller close compressor, and in the control
Device processed is closed in the state of air regulator switch, when coolant temperature is more than or equal to reference temperature, the controller behaviour
Make the cooling fan.
7. a kind of method for controlling the cooling fan of vehicle, it is comprised the following steps：
When igniting is opened, the igniting pent igniting shut-in time is confirmed by controller；
Judge whether the igniting shut-in time exceedes by the controller and can determine that the time；
When can determine that the time described in exceeding when the shut-in time of lighting a fire, judge that intake air temperature whether there is in pre- by the controller
In fixed temperature；And
When the intake air temperature is present in the predetermined temperature, according to the air regulator refrigerant pressure for time of measuring
The rate of change of power, by the controller lock fan motor.
8. method according to claim 7, wherein the step of locking the fan motor includes：
Confirm the first rate of change of the air regulator refrigerant pressure for the first time of measuring；
Operate the time of measuring of the cooling fan second；
Confirm the second rate of change of the air regulator refrigerant pressure for the second time of measuring；And
According to first rate of change and second rate of change, stop the operation of the cooling fan.
9. method according to claim 8, wherein according to first rate of change and second rate of change stop
The step of operation of cooling fan, includes：
Fiducial value is calculated based on first rate of change and second rate of change；
Judge the fiducial value whether less than or equal to judgement reference value；
In the state of the fiducial value is less than or equal to the judgement reference value, judge whether the fiducial value is kept one section
Time；And
In the case where the fiducial value is not kept described a period of time, stop the operation of the cooling fan.
10. method according to claim 9, wherein the fiducial value passes through equation：C=B/A is calculated,
Wherein C is the fiducial value, and A is first rate of change, and B is second rate of change.
11. methods according to claim 7, wherein when the intake air temperature is present in the predetermined temperature, according to
The step of rate of change for the air regulator refrigerant pressure of the time of measuring locks the fan motor is wrapped
Include：
When the intake air temperature is present in the predetermined temperature, judge whether compressor is operated；
When the compressor is operated, judge whether car speed is 0；And
When the car speed is 0, according to the change of the air regulator refrigerant pressure for the time of measuring
Rate, locks the fan motor.
12. methods according to claim 7, where it is determined that the intake air temperature whether there is in the predetermined temperature
Step includes：
Judge the intake air temperature whether less than maximum temperature；And
When the intake air temperature is less than the maximum temperature, judge whether the intake air temperature is more than or equal to minimum temperature.
13. methods according to claim 7, wherein judging the intake air temperature with the presence or absence of in the predetermined temperature
Afterwards, it is further comprising the steps of：
When the intake air temperature is not present in the predetermined temperature, close compressor；
In the state of air regulator switch is closed, coolant temperature is measured；And
When the coolant temperature is more than or equal to reference temperature, the cooling fan is operated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0167950 | 2015-11-27 | ||
| KR1020150167950A KR101786685B1 (en) | 2015-11-27 | 2015-11-27 | Control apparatus and method for cooling fan of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106812584A true CN106812584A (en) | 2017-06-09 |
| CN106812584B CN106812584B (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610852015.XA Active CN106812584B (en) | 2015-11-27 | 2016-09-26 | Apparatus and method for controlling cooling fan of vehicle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6788443B2 (en) |
| KR (1) | KR101786685B1 (en) |
| CN (1) | CN106812584B (en) |
| DE (1) | DE102016218221B4 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101765615B1 (en) | 2015-12-11 | 2017-08-07 | 현대자동차 주식회사 | Control system for cooling fan and control method using the same |
| KR101886104B1 (en) * | 2016-10-26 | 2018-08-07 | 현대자동차 주식회사 | Control apparatus and method for cooling fan of vehicle |
| KR102370945B1 (en) * | 2017-10-27 | 2022-03-07 | 현대자동차주식회사 | Control method of cooling module |
| KR102019872B1 (en) * | 2017-11-22 | 2019-09-09 | 현대오트론 주식회사 | Stuck Diagnosis system for cooling fan of vehicle air conditioner and method thereof |
| JP7658226B2 (en) | 2021-09-16 | 2025-04-08 | トヨタ自動車株式会社 | Cooling System |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263641A (en) * | 1992-03-23 | 1993-10-12 | Nippondenso Co Ltd | Revolution speed control device for vehicular cooling fan |
| JP2004353554A (en) * | 2003-05-29 | 2004-12-16 | Nissan Motor Co Ltd | Control device of vehicular cooling fan |
| KR100551284B1 (en) * | 2003-04-21 | 2006-02-10 | 현대자동차주식회사 | How to control your car's cooling fan |
| KR20140073311A (en) * | 2012-12-06 | 2014-06-16 | 콘티넨탈 오토모티브 시스템 주식회사 | Method for prevention wrong-diagnosing thermostat of car |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5263084B2 (en) | 2009-08-28 | 2013-08-14 | スズキ株式会社 | Outside air temperature estimation device |
| JP5742882B2 (en) | 2013-05-30 | 2015-07-01 | トヨタ自動車株式会社 | Motor lock determination device |
-
2015
- 2015-11-27 KR KR1020150167950A patent/KR101786685B1/en active Active
-
2016
- 2016-09-07 JP JP2016174487A patent/JP6788443B2/en not_active Expired - Fee Related
- 2016-09-22 DE DE102016218221.8A patent/DE102016218221B4/en active Active
- 2016-09-26 CN CN201610852015.XA patent/CN106812584B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263641A (en) * | 1992-03-23 | 1993-10-12 | Nippondenso Co Ltd | Revolution speed control device for vehicular cooling fan |
| KR100551284B1 (en) * | 2003-04-21 | 2006-02-10 | 현대자동차주식회사 | How to control your car's cooling fan |
| JP2004353554A (en) * | 2003-05-29 | 2004-12-16 | Nissan Motor Co Ltd | Control device of vehicular cooling fan |
| KR20140073311A (en) * | 2012-12-06 | 2014-06-16 | 콘티넨탈 오토모티브 시스템 주식회사 | Method for prevention wrong-diagnosing thermostat of car |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6788443B2 (en) | 2020-11-25 |
| CN106812584B (en) | 2021-01-19 |
| KR101786685B1 (en) | 2017-10-18 |
| DE102016218221A1 (en) | 2017-06-01 |
| KR20170062304A (en) | 2017-06-07 |
| JP2017096250A (en) | 2017-06-01 |
| DE102016218221B4 (en) | 2023-05-11 |
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