CN105971711A - Control method and device for electronic control silicone oil fan, electronic control silicone oil fan and engine - Google Patents
Control method and device for electronic control silicone oil fan, electronic control silicone oil fan and engine Download PDFInfo
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- CN105971711A CN105971711A CN201610511461.4A CN201610511461A CN105971711A CN 105971711 A CN105971711 A CN 105971711A CN 201610511461 A CN201610511461 A CN 201610511461A CN 105971711 A CN105971711 A CN 105971711A
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- silicone oil
- fan
- initial
- electric control
- electromotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention provides a control method and device for an electronic control silicone oil fan, the electronic control silicone oil fan and an engine. According to the control method, the altitude at which the engine works is obtained, the target rotation speed of the electronic control silicon oil fan installed on the engine is calculated based on the altitude, and then the rotation speed of the electronic control silicone oil fan is adjusted to the target rotation speed. According to the control method and device, the different air discharge qualities, caused by the change of the atmospheric pressure, of the fan, at different altitudes, corresponding to the same emitted heat are considered, the air discharge qualities of the electronic control silicone oil fan at different altitudes are controlled by adjusting the rotation speed of the fan based on the change of the atmospheric pressure, so that it is guaranteed the heat emitted by the electronic control silicone oil fan at different altitudes reaches a set value, and therefore it is guaranteed that the water discharge temperature of a cooling system of the engine is stable.
Description
Technical field
The invention belongs to radiating control technical field, be specifically related to electric control silicone oil fan control method
And device, electric control silicone oil fan and electromotor.
Background technology
Electric control silicone oil fan is to make the part of Induction Air Temperature in common silicon-oil fan into electricity
Device controls, and by signals such as ECU collection analysis engine water temperatures, controls automatically controlled silicon oil clutch
The opening and closing of the internal electromagnetic valve oil-in of device, and then control rotation speed of the fan.When engine cool liquid temperature
When spending relatively low, fan is in free state, and when coolant temperature is higher, rotation speed of the fan is higher
Close to being rigidly connected.
Existing electric control silicone oil fan is to be believed by ECU monitoring engine outlet water temperature equitemperature
Number, each spot temperature sensing that the internal electromagnetic valve of fan clutch provides according to Engine ECU
Device information, according to arranging the corresponding relation of engine water temperature and rotation speed of the fan in ECU, from
The rotating speed of dynamic regulation fan.The control method of this rotation speed of the fan, due to moving of engine load
The reasons such as state change and water temperature self hysteresis so that the water temperature of sensor measurement is in dynamically change
Change.When ECU monitors engine outlet water temperature (such as 90 DEG C), ECU is according to built-in
Control control signal corresponding at a temperature of logic exports this.But, due to the change of engine water temperature
Changing and the collection of control signal all exists hysteresis effect, now engine outlet water temperature may be
Change (such as 93 DEG C), it is seen that this method controlling fan action by water temperature signal
Cannot accurately control heat dissipation capacity.
Summary of the invention
The technical problem to be solved is the most accurately to control dissipating of electric control silicone oil fan
Heat, and the temperature of the coolant of electromotor.
For this technical problem, the invention provides a kind of electric control silicone oil fan control method, bag
Include:
Obtain the current altitude residing for electromotor；
Calculate according to the air specific heat capacity that described current altitude is corresponding and start described in being arranged on
Electric control silicone oil fan on machine distributes the air-out quality that target heat needs to reach, and reaches institute
State the rotating speed of target that air-out quality is corresponding；
It is described rotating speed of target by the rotational speed regulation of described electric control silicone oil fan；
Wherein, described target heat is that the electromotor worked under predetermined power is within the unit interval
The heat removed by the cooling device being mounted thereon.
Preferably, described calculating according to described air specific heat capacity is arranged on the electricity on described electromotor
Control silicon-oil fan distributes the air-out quality that target heat needs to reach, and reaches described air-out matter
The rotating speed of target that amount is corresponding, including:
Obtain the current environmental temperature of described electromotor work at present, turn from the fan obtained in advance
Speed controls to obtain under described current environmental temperature in arteries and veins spectrum corresponding initial target heat, and according to
Described initial target heat Calculation described electric control silicone oil fan under initial height above sea level is corresponding
Initial speed；
According to described current altitude, obtain described in the correction factor list obtained in advance
The correction factor that current altitude is corresponding；
Calculate the product of described initial speed and described correction factor, turn obtaining described target
Speed；
Wherein, what described rotation speed of the fan control arteries and veins spectrum was under described initial height above sea level is described
The initial target heat that electromotor was removed by the cooling device being mounted thereon within the unit interval
Measure the curve with variation of ambient temperature.
Preferably, the acquisition methods of described rotation speed of the fan control arteries and veins spectrum is as follows:
Obtain the power of electromotor, the original ambient temperature being operated under initial height above sea level；
Regulate the rotating speed of described electric control silicone oil fan, so that the cooling being arranged on described electromotor
The temperature of equipment maintains default initial temperature；
It is according to formula Q=C × n × A × △ t calculating makes described cooling device maintain
The heat that initial temperature is corresponding, using as automatically controlled silicone oil wind described under described original ambient temperature
Fan needs the initial target heat distributed；
Generate the curve that described initial target heat changes along with described original ambient temperature, to make
Arteries and veins spectrum is controlled for described rotation speed of the fan；
Wherein, C is the specific heat capacity that described initial height above sea level is corresponding, and n is described automatically controlled silicone oil
The rotating speed of fan, A is the front face area of described electric control silicone oil fan, and △ t is that described cooling sets
Standby difference between current temperature and described initial temperature, described Q is described cooling device
When maintaining described initial temperature, described electric control silicone oil fan needs the initial target heat distributed
Amount.
Preferably, the acquisition methods of described correction factor list is as follows:
Obtain the initial air specific heat capacity that described initial height above sea level is corresponding；
Calculate air specific heat capacity corresponding to different default height above sea levels and described initial air ratio
Ratio between thermal capacitance, by corresponding to described ratio and described ratio default height above sea level one a pair
Should store in lists, to obtain described correction factor list on ground.
Second aspect, the invention provides a kind of electric control silicone oil fan and controls device, including:
Acquisition module, for obtaining the current altitude residing for electromotor；
Computing module, calculates peace for the air specific heat capacity corresponding according to described current altitude
The electric control silicone oil fan being contained on described electromotor distributes the air-out matter that target heat needs to reach
Amount, and reach the rotating speed of target that described air-out quality is corresponding；
Adjustment module, being used for the rotational speed regulation of described electric control silicone oil fan is that described target turns
Speed；
Wherein, described target heat is that the electromotor worked under predetermined power is within the unit interval
The heat removed by the cooling device being mounted thereon.
Preferably, described computing module includes:
First acquiring unit, for obtaining the current environmental temperature of described electromotor work at present,
Control arteries and veins spectrum obtains correspondence under described current environmental temperature from the rotation speed of the fan obtained in advance
Initial target heat, and according to described initial target heat Calculation under initial height above sea level described
The initial speed that electric control silicone oil fan is corresponding；
Second acquisition unit, for according to described current altitude, in the correction obtained in advance
Coefficient list obtains the correction factor that described current altitude is corresponding；
First computing unit, for calculating the product of described initial speed and described correction factor,
To obtain described rotating speed of target；
Wherein, what described rotation speed of the fan control arteries and veins spectrum was under described initial height above sea level is described
The initial target heat that electromotor was removed by the cooling device being mounted thereon within the unit interval
Measure the curve with variation of ambient temperature.
Preferably, also include that rotation speed of the fan controls the acquisition module of arteries and veins spectrum, including:
3rd acquiring unit, for obtaining the merit of the electromotor being operated under initial height above sea level
Rate, original ambient temperature；
Regulation unit, for regulating the rotating speed of described electric control silicone oil fan, so that being arranged on described
The temperature of the cooling device on electromotor maintains default initial temperature；
Second computing unit, for making described cold according to formula Q=C × n × A × △ t calculating
But equipment maintains the heat that described initial temperature is corresponding, using as in described original ambient temperature
Under described electric control silicone oil fan need the initial target heat that distributes；
Signal generating unit, is used for generating described initial target heat and becomes along with described original ambient temperature
The curve changed, to control arteries and veins spectrum as described rotation speed of the fan；
Wherein, C is the specific heat capacity that described initial height above sea level is corresponding, and n is described automatically controlled silicone oil
The rotating speed of fan, A is the front face area of described electric control silicone oil fan, and △ t is that described cooling sets
Standby difference between current temperature and described initial temperature, described Q is described cooling device
When maintaining described initial temperature, described electric control silicone oil fan needs the initial target heat distributed
Amount.
Preferably, also include correction factor list acquisition module, including:
4th acquiring unit, for obtaining the initial air specific heat that described initial height above sea level is corresponding
Hold；
Memory element, for calculating air specific heat capacity corresponding to different default height above sea levels and institute
State the ratio between initial air specific heat capacity, by default sea corresponding to described ratio and described ratio
Degree of lifting stores in lists correspondingly, to obtain described correction factor list.
The third aspect, the present invention also provides for a kind of electric control silicone oil fan, including above-mentioned automatically controlled silicon
Oil fan control device.
Fourth aspect, present invention also offers a kind of electromotor, including above-mentioned electric control silicone oil fan.
The present invention provide electric control silicone oil fan control method and device, electric control silicone oil fan and send out
Motivation, the method is by the acquisition to the height above sea level that electromotor works, based on this height above sea level
Corresponding air specific heat capacity calculates the rotating speed of target installing electric control silicone oil fan on the engine,
Thus by the rotational speed regulation of electric control silicone oil fan to rotating speed of target.The method of present invention offer and dress
Put and consider under different height above sea levels, owing to the change of atmospheric pressure causes distributing identical heat
The difference of corresponding fan air-out quality, change based on atmospheric pressure is to being in differing heights
The rotating speed of electric control silicone oil fan is adjusted controlling the air-out quality of fan, it is ensured that different
Under height above sea level, the heat that electric control silicone oil fan distributes reaches predetermined value, thus ensures electromotor
The stablizing of leaving water temperature of cooling system.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
By the accompanying drawing used required in embodiment or description of the prior art is briefly described, aobvious
And easy insight, the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 is the flow process signal of the electric control silicone oil fan control method that the embodiment of the present invention provides
Figure；
Fig. 2 is that the electric control silicone oil fan that the embodiment of the present invention provides controls logical schematic；
Fig. 3 is the electric control silicone oil fan apparatus structure block diagram that the embodiment of the present invention provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
Be fully described by, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
Fig. 1 is the flow process signal of the electric control silicone oil fan control method that the embodiment of the present invention provides
Figure.Seeing Fig. 1, this electric control silicone oil fan control method includes:
101: obtain the current altitude residing for electromotor；
102: calculate according to the air specific heat capacity that described current altitude is corresponding described in being arranged on
Electric control silicone oil fan on electromotor distributes the air-out quality that target heat needs to reach, Yi Jida
To the rotating speed of target that described air-out quality is corresponding；
103: be described rotating speed of target by the rotational speed regulation of described electric control silicone oil fan；
Wherein, described target heat is that the electromotor worked under predetermined power is within the unit interval
The heat removed by the cooling device being mounted thereon.
The acquisition methods of current altitude can be to obtain equipment by height above sea level to obtain
Take, it is also possible to be the air pressure of first detection working environment residing for electromotor, then by air pressure and sea
The corresponding relation of degree of lifting obtains the height above sea level that electromotor is current, it is also possible to be manually entered
Height above sea level, it is of course also possible to be that the parameter according to the rotating speed correction obtained in advance is to current sea
The rotating speed of the electric control silicone oil fan under degree of lifting is modified obtaining.
It should be noted that the electric control silicone oil fan that the present invention provides is due to sending out for fixing power
Motivation is dispelled the heat.Because if the rotating speed of electromotor is non-constant, cooling device can be caused (such as,
Rely on cooling water to carry out the cooling device that cools down) water yield different, and then cause electromotor
Heat dissipation capacity produces difference, and under transient state heat dissipation capacity, rotation speed of the fan controls not reach effect.
Electric control silicone oil fan is for cooling down the cooling water on electromotor, and cooling water is used for
Electromotor is cooled down.In order to the temperature of electromotor is maintained at preset temperature (preset temperature
It is a temperature threshold, such as, it is ensured that the maximum temperature of engine work) below, need
Reduce in time the coolant in engine-cooling system (can be cooling water, liquid nitrogen or
Other gas) temperature.The present embodiment uses electric control silicone oil fan to lower the temperature cooling system, logical
The control crossing the air-out quality to electric control silicone oil fan ensures that electric control silicone oil fan reaches default
Target heat, thus ensure the cooling system cooling capacity to electromotor.
The calculating of rotating speed of target and the air specific heat capacity of electromotor local environment, electric control silicone oil fan
Front face area and target heat determine.Target heat refers to ensure that the temperature of electromotor is little
When equal to preset temperature, electric control silicone oil fan needs the heat distributed, it may also be said to ensure cold
But the temperature of equipment (such as, relying on cooling water to carry out the cooling device cooled down) is pre-less than one
If temperature electric control silicone oil fan needs the heat distributed to be exactly target heat.Such as, target heat
For Q ', current air specific heat capacity is C ', and the current temperature of electromotor deducts preset temperature and obtains
To △ t, according to heat balance equation Q '=C ' × m ' × △ t ', it is calculated and distributes target
When heat is Q ', electric control silicone oil fan needs air-out quality m reached '.Then according to public affairs
Formula m '=n ' × A ', obtain the rotating speed n ' that this electric control silicone oil fan needs to reach.Wherein,
Depending on the front face area A ' of the electric control silicone oil fan size by measurement fan outlet air surface, such as,
The outlet air surface of fan for rectangle, then front face area A ' is equal to the length of this rectangle and wide taking advantage of
Long-pending.The regulation of the rotating speed of electric control silicone oil fan can be realized by ECU.
The electric control silicone oil fan control method that the present embodiment provides, by the sea working electromotor
The acquisition of degree of lifting, calculates based on the air specific heat capacity that this height above sea level is corresponding and is arranged on electromotor
On the rotating speed of target of electric control silicone oil fan, thus by the rotational speed regulation of electric control silicone oil fan to mesh
Mark rotating speed.The method that the present invention provides considers under different height above sea levels, due to atmospheric pressure
Change cause the difference that distributes fan air-out quality corresponding to identical heat, based on atmospheric pressure
Change be adjusted controlling fan to the rotating speed of the electric control silicone oil fan being in differing heights
Air-out quality, it is ensured that under different height above sea levels, the heat that electric control silicone oil fan distributes reaches
To predetermined value, thus ensure stablizing of the leaving water temperature of the cooling system of electromotor.
Further, described calculating according to described air specific heat capacity is arranged on described electromotor
Electric control silicone oil fan distributes the air-out quality that target heat needs to reach, and reaches described air-out
The rotating speed of target that quality is corresponding, including:
Obtain the current environmental temperature of described electromotor work at present, turn from the fan obtained in advance
Speed controls to obtain under described current environmental temperature in arteries and veins spectrum corresponding initial target heat, and according to
Described initial target heat Calculation described electric control silicone oil fan under initial height above sea level is corresponding
Initial speed；
According to described current altitude, obtain described in the correction factor list obtained in advance
The correction factor that current altitude is corresponding；
Calculate the product of described initial speed and described correction factor, turn obtaining described target
Speed；
Wherein, what described rotation speed of the fan control arteries and veins spectrum was under described initial height above sea level is described
The initial target heat that electromotor was removed by the cooling device being mounted thereon within the unit interval
Measure the curve with variation of ambient temperature.
Specifically, Fig. 2 is that the electric control silicone oil fan that the embodiment of the present invention provides controls logic signal
Figure.See Fig. 2, during this control the final rotating speed of fan by rotation speed of the fan control arteries and veins spectrum and
Rotation speed of the fan correction factor based on atmospheric pressure together decides on.
In the present embodiment, when calculating the rotating speed controlling electric control silicone oil fan, survey is first passed through
Measure the current environmental temperature of electromotor work at present.Then control arteries and veins spectrum from rotation speed of the fan
Initial target heat corresponding at a temperature of obtaining this current environment.It should be noted that fan turns
The electromotor that speed control arteries and veins spectrum is under described initial height above sea level passed through within the unit interval
The initial target heat that the cooling device being mounted thereon removes is with the curve of variation of ambient temperature.
When searching target heat by current environmental temperature, need to ensure obtaining this rotation speed of the fan control
During arteries and veins processed spectrum, the power of electromotor used with currently carry out the merit of electromotor that calculates
Rate is identical, and the water yield cooling down water is identical.
After obtaining the current environmental temperature of the current work of electromotor, control arteries and veins spectrum at rotation speed of the fan
In find initial target heat corresponding to current environmental temperature, according to this initial target heat, logical
Cross formula Q=C0×n0× A × △ t calculates the initial speed of this electric control silicone oil fan.Wherein,
Q is so that when the cooling device of described electromotor maintains preset temperature, electric control silicone oil fan list
The target heat distributed, C is needed in bit time0It is the air specific heat capacity under initial height above sea level,
n0Being under initial height above sea level, the initial speed of electric control silicone oil fan, A is automatically controlled silicone oil wind
The front face area of fan, △ t is that cooling device (such as, relies on cooling water to carry out the cooling cooled down
Equipment).Current temperature and make the difference between the temperature that this cooling water reaches in advance.
Further according to the current altitude residing for electromotor, find with this current environmental temperature and work as
The correction factor that front height above sea level is corresponding.Calculating the product of initial speed and correction factor, with
Obtain rotating speed of target, control electric control silicone oil fan and working with this rotating speed of target.
Wherein, the acquisition methods of rotation speed of the fan control arteries and veins spectrum is as follows:
Obtain the power of electromotor, the original ambient temperature being operated under initial height above sea level；
Regulate the rotating speed of described electric control silicone oil fan, so that the cooling being arranged on described electromotor
The temperature of equipment maintains default initial temperature；
It is according to formula Q=C × n × A × △ t calculating makes described cooling device maintain
The heat that initial temperature is corresponding, using as automatically controlled silicone oil wind described under described original ambient temperature
Fan needs the initial target heat distributed；
Generate the curve that described initial target heat changes along with described original ambient temperature, to make
Arteries and veins spectrum is controlled for described rotation speed of the fan；
Wherein, C is the specific heat capacity that described initial height above sea level is corresponding, and n is described automatically controlled silicone oil
The rotating speed of fan, A is the front face area of described electric control silicone oil fan, and △ t is that described cooling sets
Standby difference between current temperature and described initial temperature, described Q is described cooling device
When maintaining described initial temperature, described electric control silicone oil fan needs the initial target heat distributed
Amount.
Rotation speed of the fan is controlled arteries and veins spectrum and is obtained by experiment, due to the fan that different engine powers is corresponding
Rotating speed controls arteries and veins spectrum difference, and therefore the electromotor for different capacity needs to be obtained by experiment respectively
Take rotation speed of the fan and control arteries and veins spectrum.In experimentation, by regulating the rotating speed of electric control silicone oil fan
Ensure that cooling device is preset temperature, distribute at the fan calculating this rotating speed corresponding by formula
Heat, using as under Current Temperatures, electric control silicone oil fan needs the initial target heat reached
Amount.During electromotor works, when operating ambient temperature is higher, distributed by air
Heat is less, and the heat distributed by electric control silicone oil fan is the most.The water outlet of electromotor
Flow is more compared with the heat that little electromotor is distributed by air than water flow compared with big, it is therefore desirable to
The heat that electric control silicone oil fan distributes is the fewest.So at the rotation speed of the fan obtaining electric control silicone oil fan
Control in arteries and veins spectrum, need to record engine power corresponding to this arteries and veins spectrum, the water outlet of cooling water simultaneously
Flow, in order to search in the case of the water flow of guarantee engine power, cooling water is identical
This rotation speed of the fan controls the initial target heat that arteries and veins spectrum is corresponding, to improve the degree of accuracy controlled.
The acquisition methods of correction factor list is as follows:
Obtain the initial air specific heat capacity that described initial height above sea level is corresponding；
Calculate air specific heat capacity corresponding to different default height above sea levels and described initial air ratio
Ratio between thermal capacitance, by corresponding to described ratio and described ratio default height above sea level one a pair
Should store in lists, to obtain described correction factor list on ground.
It should be noted that initial height above sea level can be sea level, it is also possible to be arbitrary height above sea level
Highly.It is the rotating speed curve with variation of ambient temperature that rotation speed of the fan controls arteries and veins spectrum.At correction factor
In list, ambient temperature only one correction value corresponding with height above sea level.
Height above sea level have impact on the rotating speed of electric control silicone oil fan essentially by air specific heat capacity, because of
This, can be by initial sky corresponding with initial height above sea level for air specific heat capacity corresponding for Different Altitude
The rotating speed of electric control silicone oil fan, as modifying factor, is adjusted by the ratio of gas specific heat capacity.
Fig. 3 is the electric control silicone oil fan apparatus structure block diagram that the embodiment of the present invention provides.See figure
3, this electric control silicone oil fan controls device 30, including acquisition module 31, computing module 32 and
Adjustment module 33；
Acquisition module 31, for obtaining the current altitude residing for electromotor；
Computing module 32, is used for, for the air ratio corresponding according to described current altitude
The electric control silicone oil fan that thermal capacitance calculating is arranged on described electromotor distributes target heat to be needed to reach
The air-out quality arrived, and reach the rotating speed of target that described air-out quality is corresponding；
Adjustment module 33, being used for the rotational speed regulation of described electric control silicone oil fan is described target
Rotating speed；
Wherein, described target heat is that the electromotor worked under predetermined power is within the unit interval
The heat removed by the cooling device being mounted thereon.
The electric control silicone oil fan that the present embodiment provides controls device 30 and is applicable to above example institute
The electric control silicone oil fan control method stated, does not repeats them here.
The electric control silicone oil fan that the present embodiment provides controls device 30, and acquisition module 31 is by right
The acquisition of the height above sea level of electromotor work, computing module 32 is corresponding based on this height above sea level
Air specific heat capacity calculates the rotating speed of target installing electric control silicone oil fan on the engine, regulates mould
Block 33 by the rotational speed regulation of electric control silicone oil fan to rotating speed of target.The device that the present embodiment provides
Consider under different height above sea levels, owing to the change of atmospheric pressure causes distributing identical heat pair
The difference of the fan air-out quality answered, change based on atmospheric pressure is to the electricity being in differing heights
The rotating speed of control silicon-oil fan is adjusted controlling the air-out quality of fan, it is ensured that in different seas
Under degree of lifting, the heat that electric control silicone oil fan distributes reaches predetermined value, thus ensures electromotor
Stablizing of the leaving water temperature of cooling system.
Further, described computing module includes:
Described computing module includes:
First acquiring unit, for obtaining the current environmental temperature of described electromotor work at present,
Control arteries and veins spectrum obtains correspondence under described current environmental temperature from the rotation speed of the fan obtained in advance
Initial target heat, and according to described initial target heat Calculation under initial height above sea level described
The initial speed that electric control silicone oil fan is corresponding；
Second acquisition unit, for according to described current altitude, in the correction obtained in advance
Coefficient list obtains the correction factor that described current altitude is corresponding；
First computing unit, for calculating the product of described initial speed and described correction factor,
To obtain described rotating speed of target；
Wherein, what described rotation speed of the fan control arteries and veins spectrum was under described initial height above sea level is described
The initial target heat that electromotor was removed by the cooling device being mounted thereon within the unit interval
Measure the curve with variation of ambient temperature.
Further, also include that rotation speed of the fan controls the acquisition module of arteries and veins spectrum, including:
3rd acquiring unit, for obtaining the merit of the electromotor being operated under initial height above sea level
Rate, original ambient temperature；
Regulation unit, for regulating the rotating speed of described electric control silicone oil fan, so that being arranged on described
The temperature of the cooling device on electromotor maintains default initial temperature；
Second computing unit, for making described cold according to formula Q=C × n × A × △ t calculating
But equipment maintains the heat that described initial temperature is corresponding, using as in described original ambient temperature
Under described electric control silicone oil fan need the initial target heat that distributes；
Signal generating unit, is used for generating described initial target heat and becomes along with described original ambient temperature
The curve changed, to control arteries and veins spectrum as described rotation speed of the fan；
Wherein, C is the specific heat capacity that described initial height above sea level is corresponding, and n is described automatically controlled silicone oil
The rotating speed of fan, A is the front face area of described electric control silicone oil fan, and △ t is that described cooling sets
Standby difference between current temperature and described initial temperature, described Q is described cooling device
When maintaining described initial temperature, described electric control silicone oil fan needs the initial target heat distributed
Amount.
Further, also include correction factor list acquisition module, including:
4th acquiring unit, for obtaining the initial air specific heat that described initial height above sea level is corresponding
Hold；
Memory element, for calculating air specific heat capacity corresponding to different default height above sea levels and institute
State the ratio between initial air specific heat capacity, by default sea corresponding to described ratio and described ratio
Degree of lifting stores in lists correspondingly, to obtain described correction factor list.
The third aspect, present embodiments provides a kind of electric control silicone oil fan, including above example
Described electric control silicone oil fan controls device.
In the electric control silicone oil fan that the present embodiment provides, the control of electric control silicone oil fan considers not
Under same height above sea level, distribute the difference of fan air-out quality corresponding to identical heat, by right
The regulation of rotation speed of the fan controls the air-out quality of fan, it is ensured that under different height above sea levels,
The heat that electric control silicone oil fan distributes reaches predetermined value.
Fourth aspect, present invention also offers a kind of electromotor, including described in above example
Electric control silicone oil fan.
In electric control silicone oil fan in the electromotor that the present embodiment provides, the control of electric control silicone oil fan
System considers under different height above sea levels, distributes fan air-out quality corresponding to identical heat not
With, by the regulation of rotation speed of the fan being controlled the air-out quality of fan, it is ensured that in different seas
Under degree of lifting, the heat that electric control silicone oil fan distributes reaches predetermined value, thus ensures electromotor
Stablizing of coolant temperature.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
For a person skilled in the art, the present invention can have various modifications and variations.All at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, all should
Within being included in protection scope of the present invention.
Claims (10)
1. an electric control silicone oil fan control method, it is characterised in that including:
Obtain the current altitude residing for electromotor；
Calculate according to the air specific heat capacity that described current altitude is corresponding and start described in being arranged on
Electric control silicone oil fan on machine distributes the air-out quality that target heat needs to reach, and reaches institute
State the rotating speed of target that air-out quality is corresponding；
It is described rotating speed of target by the rotational speed regulation of described electric control silicone oil fan；
Wherein, described target heat is that the electromotor worked under predetermined power is within the unit interval
The heat removed by the cooling device being mounted thereon.
Method the most according to claim 1, it is characterised in that described according to described sky
The electric control silicone oil fan that the calculating of gas specific heat capacity is arranged on described electromotor distributes target heat and needs
Air-out quality to be reached, and reach the rotating speed of target that described air-out quality is corresponding, including:
Obtain the current environmental temperature of described electromotor work at present, turn from the fan obtained in advance
Speed controls to obtain under described current environmental temperature in arteries and veins spectrum corresponding initial target heat, and according to
Described initial target heat Calculation described electric control silicone oil fan under initial height above sea level is corresponding
Initial speed；
According to described current altitude, obtain described in the correction factor list obtained in advance
The correction factor that current altitude is corresponding；
Calculate the product of described initial speed and described correction factor, turn obtaining described target
Speed；
Wherein, what described rotation speed of the fan control arteries and veins spectrum was under described initial height above sea level is described
The initial target heat that electromotor was removed by the cooling device being mounted thereon within the unit interval
Measure the curve with variation of ambient temperature.
Method the most according to claim 2, it is characterised in that described rotation speed of the fan control
The acquisition methods of arteries and veins processed spectrum is as follows:
Obtain the power of electromotor, the original ambient temperature being operated under initial height above sea level；
Regulate the rotating speed of described electric control silicone oil fan, so that the cooling being arranged on described electromotor
The temperature of equipment maintains default initial temperature；
It is according to formula Q=C × n × A × △ t calculating makes described cooling device maintain
The heat that initial temperature is corresponding, using as automatically controlled silicone oil wind described under described original ambient temperature
Fan needs the initial target heat distributed；
Generate the curve that described initial target heat changes along with described original ambient temperature, to make
Arteries and veins spectrum is controlled for described rotation speed of the fan；
Wherein, C is the specific heat capacity that described initial height above sea level is corresponding, and n is described automatically controlled silicone oil
The rotating speed of fan, A is the front face area of described electric control silicone oil fan, and △ t is that described cooling sets
Standby difference between current temperature and described initial temperature, described Q is described cooling device
When maintaining described initial temperature, described electric control silicone oil fan needs the initial target heat distributed
Amount.
Method the most according to claim 3, it is characterised in that described correction factor arranges
The acquisition methods of table is as follows:
Obtain the initial air specific heat capacity that described initial height above sea level is corresponding；
Calculate air specific heat capacity corresponding to different default height above sea levels and described initial air ratio
Ratio between thermal capacitance, by corresponding to described ratio and described ratio default height above sea level one a pair
Should store in lists, to obtain described correction factor list on ground.
5. an electric control silicone oil fan controls device, it is characterised in that including:
Acquisition module, for obtaining the current altitude residing for electromotor；
Computing module, calculates peace for the air specific heat capacity corresponding according to described current altitude
The electric control silicone oil fan being contained on described electromotor distributes the air-out matter that target heat needs to reach
Amount, and reach the rotating speed of target that described air-out quality is corresponding；
Adjustment module, being used for the rotational speed regulation of described electric control silicone oil fan is that described target turns
Speed；
Wherein, described target heat is that the electromotor worked under predetermined power is within the unit interval
The heat removed by the cooling device being mounted thereon.
Device the most according to claim 5, it is characterised in that described computing module bag
Include:
First acquiring unit, for obtaining the current environmental temperature of described electromotor work at present,
Control arteries and veins spectrum obtains correspondence under described current environmental temperature from the rotation speed of the fan obtained in advance
Initial target heat, and according to described initial target heat Calculation under initial height above sea level described
The initial speed that electric control silicone oil fan is corresponding；
Second acquisition unit, for according to described current altitude, in the correction obtained in advance
Coefficient list obtains the correction factor that described current altitude is corresponding；
First computing unit, for calculating the product of described initial speed and described correction factor,
To obtain described rotating speed of target；
Wherein, what described rotation speed of the fan control arteries and veins spectrum was under described initial height above sea level is described
The initial target heat that electromotor was removed by the cooling device being mounted thereon within the unit interval
Measure the curve with variation of ambient temperature.
Device the most according to claim 6, it is characterised in that also include rotation speed of the fan
Control the acquisition module of arteries and veins spectrum, including:
3rd acquiring unit, for obtaining the merit of the electromotor being operated under initial height above sea level
Rate, original ambient temperature；
Regulation unit, for regulating the rotating speed of described electric control silicone oil fan, so that being arranged on described
The temperature of the cooling device on electromotor maintains default initial temperature；
Second computing unit, for making described cold according to formula Q=C × n × A × △ t calculating
But equipment maintains the heat that described initial temperature is corresponding, using as in described original ambient temperature
Under described electric control silicone oil fan need the initial target heat that distributes；
Signal generating unit, is used for generating described initial target heat and becomes along with described original ambient temperature
The curve changed, to control arteries and veins spectrum as described rotation speed of the fan；
Wherein, C is the specific heat capacity that described initial height above sea level is corresponding, and n is described automatically controlled silicone oil
The rotating speed of fan, A is the front face area of described electric control silicone oil fan, and △ t is that described cooling sets
Standby difference between current temperature and described initial temperature, described Q is described cooling device
When maintaining described initial temperature, described electric control silicone oil fan needs the initial target heat distributed
Amount.
Device the most according to claim 7, it is characterised in that also include correction factor
List acquisition module, including:
4th acquiring unit, for obtaining the initial air specific heat that described initial height above sea level is corresponding
Hold；
Memory element, for calculating air specific heat capacity corresponding to different default height above sea levels and institute
State the ratio between initial air specific heat capacity, by default sea corresponding to described ratio and described ratio
Degree of lifting stores in lists correspondingly, to obtain described correction factor list.
9. an electric control silicone oil fan, it is characterised in that include described in claim 5 to 8
Electric control silicone oil fan control device.
10. an electromotor, it is characterised in that include the automatically controlled silicone oil described in claim 9
Fan.
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| CN201610511461.4A CN105971711B (en) | 2016-06-30 | 2016-06-30 | Electric control silicone oil fan control method and device, electric control silicone oil fan and engine |
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| CN201610511461.4A CN105971711B (en) | 2016-06-30 | 2016-06-30 | Electric control silicone oil fan control method and device, electric control silicone oil fan and engine |
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| CN109779736A (en) * | 2019-03-20 | 2019-05-21 | 山东交通学院 | A kind of energy-conserving and optimizing control method and system of engine electric-controlled silicon-oil fan |
| CN111120070A (en) * | 2019-12-13 | 2020-05-08 | 潍柴动力股份有限公司 | Correction method and device for electric control fan control, storage medium and electronic equipment |
| CN112377292A (en) * | 2020-12-01 | 2021-02-19 | 广西玉柴机器股份有限公司 | Control method and system capable of accurately managing heat of engine |
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| CN112377292A (en) * | 2020-12-01 | 2021-02-19 | 广西玉柴机器股份有限公司 | Control method and system capable of accurately managing heat of engine |
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| CN113586223A (en) * | 2021-08-27 | 2021-11-02 | 潍柴动力股份有限公司 | Rotating speed control method and device of electric control silicone oil fan and vehicle |
| CN114607500A (en) * | 2022-03-16 | 2022-06-10 | 玉柴联合动力股份有限公司 | Control method for correcting electric control silicone oil fan of natural gas engine |
| CN115182809A (en) * | 2022-07-29 | 2022-10-14 | 东风马勒热系统有限公司 | Intelligent predictive silicone oil fan control method for commercial vehicle |
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| CN115992772A (en) * | 2023-03-23 | 2023-04-21 | 潍柴动力股份有限公司 | Engine control method, device, equipment and storage medium |
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