CN110341431A - The automatically cleaning control method of Air conditioner on car - Google Patents
The automatically cleaning control method of Air conditioner on car Download PDFInfo
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- CN110341431A CN110341431A CN201910696700.1A CN201910696700A CN110341431A CN 110341431 A CN110341431 A CN 110341431A CN 201910696700 A CN201910696700 A CN 201910696700A CN 110341431 A CN110341431 A CN 110341431A
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- air conditioner
- car
- automatically cleaning
- mode
- control method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00378—Air-conditioning arrangements specially adapted for particular vehicles for tractor or load vehicle cabins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
- B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to Air conditioner on car technical fields, and in particular to a kind of automatically cleaning control method of Air conditioner on car.Present invention seek to address that existing Air conditioner on car can not self-cleaning problem.For this purpose, the automatically cleaning control method of Air conditioner on car of the invention includes: to detect the actual pressure P of the system high pressure side of Air conditioner on car；Based on outdoor environment temperature Tao, the running frequency f of compressor, the aperture B of throttle valve and outer blower running speed r1, determine the theoretical pressure P of the system high pressure side of Air conditioner on carc；Compare actual pressure P and theoretical pressure PcSize；Based on comparative result, it selectively controls the Air conditioner on car and enters automatically cleaning mode.By above-mentioned control mode, the application can timely and effectively carry out automatically cleaning when dirty stifled situation occurs in outdoor radiator to it, guarantee the heat transfer effect of outdoor radiator, reduce the power consumption of battery.
Description
Technical field
The present invention relates to Air conditioner on car technical fields, and in particular to a kind of automatically cleaning control method of Air conditioner on car.
Background technique
With the development of traffic transport industry, haulage truck, caravan, bus etc. are assembled with air conditioning for automobiles, traditional vapour
Vehicle air-conditioning is all that driving machinery compressor operation or automobile engine generate electricity for sky in the process of running by automobile engine
Adjust compressor operation.But in automobile flameout state, if driver in the car rest when need to open air-conditioning, just can only be again
Start automobile engine drives air conditioning for automobiles to run in a manner of fuel consumption.Obviously, such method of operation leads to automobile
Transportation cost is significantly increased.
To solve the above problems, providing a kind of Air conditioner on car in the prior art, orthodox car air-conditioning, Air conditioner on car are compared
Without starting by vehicle motor, but directly driven by Vehicular accumulator cell, therefore it can run in automobile flameout state,
It is a kind of air-conditioning being more energy-saving and environmentally friendly.But the outdoor unit of Air conditioner on car is installed on outside vehicle and (is such as installed on top or drives
Sail room rear wall etc.), it is exposed to outside driver's cabin room for a long time, vehicle dust or greasy dirt in long-term transportational process enter heat exchanger
The inside is accumulated over a long period, and is caused heat exchanger surface dirty stifled serious, is not only reduced heat transfer effect, influences user experience, but also can be by
In power consumption promotion and waste the electricity of battery, reduce the cruise duration of battery.
Correspondingly, this field needs a kind of automatically cleaning control method of new Air conditioner on car to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve the problems, such as that existing Air conditioner on car can not be self-cleaning,
The present invention provides a kind of automatically cleaning control method of Air conditioner on car, the Air conditioner on car include compressor, interior radiator,
Inner blower, throttle valve, outdoor radiator and outer blower, the Air conditioner on car are installed on vehicle, and the vehicle configuration has battery,
The battery is connect with the Air conditioner on car, to power to the Air conditioner on car；The automatically cleaning control method includes:
Detect the actual pressure P of the system high pressure side of the Air conditioner on car；
Based on outdoor environment temperature Tao, the running frequency f of the compressor, the throttle valve aperture B and the exogenous wind
The running speed r of machine1, determine the theoretical pressure P of the system high pressure side of the Air conditioner on carc；
Compare the actual pressure P and the theoretical pressure PcSize；
Based on comparative result, it selectively controls the Air conditioner on car and enters automatically cleaning mode.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " based on comparative result, selectively
Control the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
As P >=PcWhen, obtain the current state of the battery；
Based on the current state of the battery, selectively controls the Air conditioner on car and enter automatically cleaning mode.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " based on the current of the battery
State selectively controls the Air conditioner on car and enters automatically cleaning mode " the step of further comprise:
When the battery is in charged state, controls the Air conditioner on car and enter automatically cleaning mode.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " based on the current of the battery
State selectively controls the Air conditioner on car and enters automatically cleaning mode " the step of further comprise:
It when the battery is in discharge condition, controls the Air conditioner on car and keeps current operating conditions, until described
When battery is in charged state, controls the Air conditioner on car and enter automatically cleaning mode.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " when the battery is in charging
When state, control the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
When the battery is in charged state, the present mode of operation of the Air conditioner on car is obtained；
If the present mode of operation is heating mode, controls the Air conditioner on car and be directly entered automatically cleaning mode.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " when the battery is in charging
When state, control the Air conditioner on car and enter automatically cleaning mode " the step of further include:
If the present mode of operation is refrigeration mode, after controlling the Air conditioner on car operation heating mode, enter
Automatically cleaning mode.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " based on comparative result, selectively
Control the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
As P < PcWhen, it controls the Air conditioner on car and keeps current operating conditions.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " it is based on outdoor environment temperature Tao, institute
The running speed r for stating the running frequency f of compressor, the aperture B of the throttle valve and the outer blower, determines the Air conditioner on car
System high pressure side theoretical pressure Pc" the step of further comprise:
The theoretical pressure of the system high pressure side is determined using method shown in following formula:
Pc=k1×Tao+k2×f+k3×B+k4×r1+b
Wherein, PcFor theoretical pressure；TaoFor outdoor environment temperature；F is the running frequency of the compressor；B is throttle valve
Aperture；r1For the running speed of the outer blower；k1、k2、k3、k4For coefficient；B is constant.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " control the Air conditioner on car to enter
The step of automatically cleaning mode ", further comprises:
The Air conditioner on car is controlled to run with heating mode；
Adjust the running frequency f of the compressor, the running speed r of the outer blower1, the revolving speed r of the inner blower2, with
And the aperture B of the throttle valve, so that the surface frosting of the outdoor radiator；
Calculate the pressure difference between the inlet side and air side of the outdoor radiator；
When the pressure difference is greater than preset pressure, controls the Air conditioner on car and refrigeration mode is run, so that the heat dissipation
The surface defrost of device.
In the optimal technical scheme of the automatically cleaning control method of above-mentioned Air conditioner on car, " control the Air conditioner on car into
Enter automatically cleaning mode " the step of before, the automatically cleaning control method further include:
It controls the vehicle and issues automatically cleaning prompt information.
It will be appreciated to those of skill in the art that Air conditioner on car includes compression in the preferred technical solution of the present invention
Machine, interior radiator, inner blower, throttle valve, outdoor radiator and outer blower, Air conditioner on car are installed on vehicle, and vehicle configuration has
Battery, battery are connect with Air conditioner on car, to power to Air conditioner on car；Automatically cleaning control method includes: that detection parking is empty
The actual pressure P of the system high pressure side of tune；Based on outdoor environment temperature Tao, the running frequency f of compressor, throttle valve aperture B
With the running speed r of outer blower1, determine the theoretical pressure P of the system high pressure side of Air conditioner on carc；Compare actual pressure P and theory
Pressure PcSize；Based on comparative result, it selectively controls the Air conditioner on car and enters automatically cleaning mode.
By above-mentioned control mode, the automatically cleaning control method of the Air conditioner on car of the application can be timely and effectively in outdoor
Radiator occurs carrying out it when dirty stifled situation automatically cleaning, guarantees the heat transfer effect of outdoor radiator, reduces the power consumption of battery.
Specifically, by being based on outdoor environment temperature Tao, the running frequency f of compressor, the aperture B of throttle valve and outer blower operation
Revolving speed r1, determine the theoretical pressure P of the system high pressure side of Air conditioner on carc, it is then based on the actual pressure for detecting system high pressure side
P and theoretical pressure PcIt is compared, can reflect the dirty stifled degree of outdoor radiator from side by the comparison of pressure, in turn
Outdoor radiator is cleaned in time when the dirty stifled situation of outdoor radiator reaches to a certain degree, guarantees outdoor radiator
Heat transfer effect reduces the electric quantity loss of battery, reduces the transportation cost of haulage truck.
Further, by executing automatically cleaning mode, the automatically cleaning control of the application in the case where battery is in charged state
Method can also ensure that the electricity of battery is in more sufficient state always, avoid causing due to executing automatically cleaning mode
Accumulator electric-quantity largely lose, improve the safety of transportational process.
Detailed description of the invention
The automatically cleaning control method of Air conditioner on car of the invention is described with reference to the accompanying drawings and in conjunction with haulage truck.Attached drawing
In:
Fig. 1 is the flow chart of the automatically cleaning control method of Air conditioner on car of the invention；
Fig. 2 is the logic chart of the automatically cleaning control method of Air conditioner on car of the invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.Although for example,
Present embodiment combination haulage truck is introduced, but this is not intended as limiting the scope of the invention, not
Under conditions of deviateing the principle of the invention, the present invention can be applied to other application scenarios by those skilled in the art.For example, this Shen
Control method please can also be applied to that caravan, bus etc. are any to be equipped on the vehicle of Air conditioner on car.
With reference first to Fig. 1, the automatically cleaning control method of the Air conditioner on car of the application is described.Wherein, Fig. 1 is this hair
The flow chart of the automatically cleaning control method of bright Air conditioner on car.
As shown in Figure 1, it is empty that this application provides a kind of parkings in order to solve the problems, such as that existing Air conditioner on car can not be self-cleaning
The automatically cleaning control method of tune, Air conditioner on car include outdoor unit and indoor unit, and compressor, throttle valve, room are provided in outdoor unit
Outer radiator and outer blower, throttle valve are the valve body that electric expansion valve can control aperture, and indoor dissipate is provided in indoor unit
Hot device and inner blower.Air conditioner on car is installed on haulage truck, and battery is configured on haulage truck, and battery and Air conditioner on car connect
It connects, to power to Air conditioner on car.Automatically cleaning control method includes:
The actual pressure P of the system high pressure side of S100, detection Air conditioner on car；For example, by being arranged in exhaust outlet of compressor
Pressure sensor on the coil pipe of place or radiator obtains the actual pressure P of the system high pressure side of Air conditioner on car.
S200, it is based on outdoor environment temperature Tao, the running frequency f of compressor, the aperture B of throttle valve and outer blower operation
Revolving speed r1, determine the theoretical pressure P of the system high pressure side of Air conditioner on carc；For example, passing through the temperature sensing being set on outdoor unit
Device obtains outdoor environment temperature Tao, the running frequency f of the operating parameter acquisition compressor by reading current Air conditioner on car, throttling
The aperture B of the valve and running speed r of outer blower1, after getting above-mentioned parameter, the reason based on above-mentioned parameter Yu system high pressure side
By pressure PcBetween determination relationship, such as functional relation or corresponding relationship determine the theory of the system high pressure side of Air conditioner on car
Pressure Pc。
S300, compare actual pressure P and theoretical pressure PcSize；For example, in the actual pressure P for obtaining system high pressure side
Afterwards, by actual pressure P and theoretical pressure PcSize be compared, such as compare by the way that whether the difference both calculated is greater than 0
Compared with the size of the two, or the size whether ratio by both calculating is greater than 1 both to compare.
S400, based on comparative result selectively controls Air conditioner on car and enters automatically cleaning mode.For example, working as actual pressure P
Greater than theoretical pressure PcWhen, it was demonstrated that probably because occurring dirty stifled and affecting heat dissipation, so as to cause reality on outdoor radiator
Pressure is greater than theoretical pressure Pc, Air conditioner on car is controlled at this time and enters automatically cleaning mode, removes the ash being attached on outdoor radiator
Dirt, sundries, to guarantee the heat transfer effect of outdoor radiator；When actual pressure P is less than theoretical pressure PcWhen, it was demonstrated that it is outdoor at this time to dissipate
The heat transfer effect of hot device is good, and there is no need to start automatically cleaning mode.
It should be noted that above-mentioned control mode can be executed by the existing controller of vehicle, or showed by Air conditioner on car
Some controllers executes, and is also possible to be executed by the controller for executing method of the invention being specially arranged, can also be by
A functional module or functional unit for general-purpose vehicle controller executes.For example, when vehicle is electric vehicle, the control of the application
Method processed can execute realization by entire car controller (VCU), and when vehicle is on-electric vehicle, control method again can be by electronics
Control unit (ECU) executes realization etc..
By above-mentioned control mode, the automatically cleaning control method of the Air conditioner on car of the application can be timely and effectively in outdoor
Radiator occurs carrying out it when dirty stifled situation automatically cleaning, guarantees the heat transfer effect of outdoor radiator, reduces the power consumption of battery.
Specifically, by being based on outdoor environment temperature Tao, the running frequency f of compressor, the aperture B of throttle valve and outer blower operation
Revolving speed r1, determine the theoretical pressure P of the system high pressure side of Air conditioner on carc, it is then based on the actual pressure for detecting system high pressure side
P and theoretical pressure PcIt is compared, can reflect the dirty stifled degree of outdoor radiator from side by the comparison of pressure, in turn
Outdoor radiator is cleaned in time when the dirty stifled situation of outdoor radiator reaches to a certain degree, guarantees outdoor radiator
Heat transfer effect reduces the electric quantity loss of battery, reduces the transportation cost of haulage truck.
In a kind of more preferred embodiment, theoretical pressure PcIt can be determined based on following formula:
Pc=k1×Tao+k2×f+k3×B+k4×r1+b (1)
In formula (1), PcFor theoretical pressure；TaoFor outdoor environment temperature；F is the running frequency of compressor；B is throttle valve
Aperture；r1For the running speed of outer blower；k1、k2、k3、k4For coefficient；B is constant.Wherein, k1、k2、k3、k4It can be with base with b
It is obtained in fitting experimental data.For example, for different outdoor environment temperatures, compressor operating frequency, expansion valve opening and outer
Rotation speed of fan carries out Air conditioner on car experiment is run multiple times.In an experiment, the operating parameter for setting Air conditioner on car makes driver's cabin
Interior aerial temperature and humidity reaches preferable level, records the system high pressure of Air conditioner on car under each outdoor environment temperature respectively at this time
The pressure of side, thus the functional relation to theorize between pressure and above-mentioned each parameter.Above-mentioned formula passes through multiple affecting parameters
Combine and determine theoretical pressure, calculated result can be made more accurate.
Certainly, the determination of theoretical pressure is also based on other passes of one or more of above-mentioned parameter with theoretical pressure
System carries out, such as the fixed correspondence being based only between outdoor environment temperature and theoretical pressure determines.In this case, first
The relationship table between outdoor environment temperature and theoretical pressure is first determined based on test, and the table of comparisons is stored in parking
In air-conditioning, the corresponding theoretical pressure of outdoor environment temperature can be determined using the table of comparisons.
Referring to Fig. 2, describe in detail in conjunction with one kind more preferred embodiment to the application.Wherein, Fig. 2 is
The logic chart of the automatically cleaning control method of Air conditioner on car of the invention.
As shown in Fig. 2, the driver of haulage truck starts Air conditioner on car in a kind of more preferred implementation process, staying
During vehicle operation of air conditioner, outdoor environment temperature T is detectedao, the running frequency f of compressor, the aperture B of expansion valve, outer blower
Running speed r1With the actual pressure P of system high pressure side.It is then based on outdoor environment temperature Tao, compressor running frequency f, swollen
The aperture B of the swollen valve and running speed r of outer blower1, calculate theoretical pressure Pc, and by actual pressure P and theoretical pressure PcCompared
Compared with.Finally based on comparative result, it is determined whether to enter automatically cleaning mode.It specifically compares to determine as follows with control process:
(1) as P < PcWhen, it was demonstrated that the heat exchange of outdoor radiator is all right at this time, without carrying out automatically cleaning, parking at this time
The controller control Air conditioner on car of air-conditioning keeps present mode of operation and operating status, carries out air conditioning to driver's cabin.
(2) as P >=PcWhen, it was demonstrated that the heat exchange situation of outdoor radiator is poor at this time, may be due to occurring ash on radiator
The dirty stifled situation such as dirt, sundries and affect proper heat reduction.The controller of Air conditioner on car sends automatically cleaning instruction at this time.
(3) after automatically cleaning instruction issues, the current state of battery is judged, if battery is currently at electric discharge shape
State, it was demonstrated that battery does not have external power supply input at this time, if carrying out automatically cleaning at this time, the electricity of battery can greatly be lost
Amount, leads to the not enough power supply of battery, easily causes safety accident.Therefore, the Air conditioner on car of controller control at this time continues to keep
Current operating conditions execute automatically cleaning mode after waiting battery to have external power supply input, to guarantee that battery possesses more again
Sufficient electricity improves traffic safety.
(4) if battery is in charged state, it was demonstrated that have external power supply access at this time, battery possesses enough electricity
Execute automatically cleaning mode.At this point, controller control Air conditioner on car runs automatically cleaning mode, outdoor radiator is cleaned,
In the case where guaranteeing accumulator electric-quantity, the heat transfer effect of outdoor radiator is effectively improved.
(5) after entering automatically cleaning mode, the present mode of operation of Air conditioner on car is first determined whether, if present mode of operation is
Refrigeration mode, then the Mode change for controlling Air conditioner on car is execution automatically cleaning mode after heating mode operation；If current parking
Operation of air conditioner heating mode then directly executes automatically cleaning mode.
(6) in a heating mode, controller adjusts the running speed r of the running frequency f of compressor, outer blower1, inner blower
Revolving speed r2And the aperture B of throttle valve, so that the surface frosting of outdoor radiator；In Frost formation process, obtain in real time outdoor
Pressure between the inlet side and air side of radiator simultaneously calculates pressure difference, is such as passed by the way that pressure is respectively arranged in inlet side and air side
The modes such as sensor obtain the pressure of air inlet/outlet side, and the difference for then calculating pressure obtains pressure difference.After obtaining pressure difference, differential pressure is judged
Whether preset pressure is greater than.When pressure difference is greater than preset pressure, it was demonstrated that the frosting effect of outdoor heat exchanger is preferable at this time, Ke Yijin
Row defrost cleaning.The Air conditioner on car of controller control at this time operates refrigeration mode, to carry out defrost to outdoor radiator, in defrost
Cheng Zhong, the dust and impurities adhered on outdoor radiator are taken away by the water droplet formed during defrost, to realize outdoor heat dissipation
The automatically cleaning of device.
(7) after automatically cleaning mode, controller control Air conditioner on car is returned from the operating status before cleaning mode.
It should be noted that above-mentioned preferred embodiment is only intended to illustrate the principle of the present invention, it is not intended that in limit
Protection scope of the present invention processed.Under the premise of without departing from the principle of the invention, those skilled in the art can be to above-mentioned setting side
Formula is adjusted, so that the present invention can be suitable for more specifical application scenarios.
For example, in a kind of interchangeable embodiment, the specific executive mode and on-fixed of automatically cleaning mode, above-mentioned reality
It applies in mode and is only illustrated, those skilled in the art can carry out the specific implementation process of above-mentioned automatically cleaning mode
Adjustment, the adjustment are not out the protection scope of the application.For example, automatically cleaning mode can be implemented are as follows: first run heating mode
And air conditioner operation parameters are adjusted so that outdoor spreader surface frosting；Then after the time of one setting of heating mode operation, directly
It connects and is switched to refrigeration mode operation to the progress defrost cleaning of outdoor radiator.
For another example, in another alternatively embodiment, after entering automatically cleaning mode, judge the current of Air conditioner on car
The step of operational mode, not necessarily those skilled in the art can rationally delete the step, to make this controlling party
Method is succinctly easy.
For another example, in another alternatively embodiment, can also pass through before determination will enter automatically cleaning mode
The mode for issuing prompt information reminds user that will enter automatically cleaning mode.Such as pass through indicator light flashing, voice messaging or text
The modes such as information issue prompt, to inform that driver will enter automatically cleaning mode, prevent conversion due to air conditioning operating mode to
User brings bad user experience.
For another example, in another alternatively embodiment, although by each step according to above-mentioned elder generation in above-described embodiment
The mode of order is described afterwards, it will be recognized to those skilled in the art that the effect in order to realize the present embodiment, different
The step of between executed not necessarily in such order, can (parallel) execution simultaneously or with reverse order execution, these
Simple variation is all within protection scope of the present invention.Although for example, in above embodiment when the sending of automatically cleaning instruction
Machine is before judging the current state of battery, but this is not unalterable, and those skilled in the art can execute it
Sequence is replaced, and this replacement is without involving an inventive effort.That is, can also be greater than judging actual pressure P
Equal to theoretical pressure PcWhen, the current state of battery is obtained first, and control is then determined whether to based on current state again and is stayed
Vehicle air-conditioning enters automatically cleaning mode.
Certainly, between the above-mentioned embodiment that can be replaced and the embodiment that can be replaced and preferred embodiment party
It can also intersect between formula and be used cooperatively, to be combined into new embodiment to be suitable for more specifical application scenarios.
It should be noted that although the above-detailed detailed step of the method for the present invention, without departing from this hair
Under the premise of bright basic principle, those skilled in the art can be combined above-mentioned steps, be split and reversed order, so
Modified technical solution does not change basic conception of the invention, therefore also falls within protection scope of the present invention.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of automatically cleaning control method of Air conditioner on car, which is characterized in that the Air conditioner on car includes compressor, indoor radiating
Device, inner blower, throttle valve, outdoor radiator and outer blower, the Air conditioner on car are installed on vehicle, and the vehicle configuration has electric power storage
Pond, the battery are connect with the Air conditioner on car, to power to the Air conditioner on car；The automatically cleaning control method packet
It includes:
Detect the actual pressure P of the system high pressure side of the Air conditioner on car；
Based on outdoor environment temperature Tao, the running frequency f of the compressor, the aperture B of the throttle valve and the outer blower
Running speed r1, determine the theoretical pressure P of the system high pressure side of the Air conditioner on carc；
Compare the actual pressure P and the theoretical pressure PcSize；
Based on comparative result, it selectively controls the Air conditioner on car and enters automatically cleaning mode.
2. the automatically cleaning control method of Air conditioner on car according to claim 1, which is characterized in that " based on comparative result, select
Control to selecting property the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
As P >=PcWhen, obtain the current state of the battery；
Based on the current state of the battery, selectively controls the Air conditioner on car and enter automatically cleaning mode.
3. the automatically cleaning control method of Air conditioner on car according to claim 2, which is characterized in that " be based on the battery
Current state, selectively control the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
When the battery is in charged state, controls the Air conditioner on car and enter automatically cleaning mode.
4. the automatically cleaning control method of Air conditioner on car according to claim 2, which is characterized in that " be based on the battery
Current state, selectively control the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
When the battery is in discharge condition, controls the Air conditioner on car and keep current operating conditions, until the electric power storage
When pond is in charged state, controls the Air conditioner on car and enter automatically cleaning mode.
5. the automatically cleaning control method of Air conditioner on car according to claim 3, which is characterized in that " at the battery
When charged state, control the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
When the battery is in charged state, the present mode of operation of the Air conditioner on car is obtained；
If the present mode of operation is heating mode, controls the Air conditioner on car and be directly entered automatically cleaning mode.
6. the automatically cleaning control method of Air conditioner on car according to claim 5, which is characterized in that " at the battery
When charged state, control the Air conditioner on car and enter automatically cleaning mode " the step of further include:
If the present mode of operation is refrigeration mode, after controlling the Air conditioner on car operation heating mode, into from clearly
Clean mode.
7. the automatically cleaning control method of Air conditioner on car according to claim 1, which is characterized in that " based on comparative result, select
Control to selecting property the Air conditioner on car and enter automatically cleaning mode " the step of further comprise:
As P < PcWhen, it controls the Air conditioner on car and keeps current operating conditions.
8. the automatically cleaning control method of Air conditioner on car according to claim 1, which is characterized in that " be based on outdoor environment temperature
Spend Tao, the compressor running frequency f, the aperture B of the throttle valve and the running speed r of the outer blower, determine described in
The theoretical pressure P of the system high pressure side of Air conditioner on carc" the step of further comprise:
The theoretical pressure of the system high pressure side is determined using method shown in following formula:
Pc=k1×Tao+k2×f+k3×B+k4×r1+b
Wherein, PcFor theoretical pressure；TaoFor outdoor environment temperature；F is the running frequency of the compressor；B is opening for throttle valve
Degree；r1For the running speed of the outer blower；k1、k2、k3、k4For coefficient；B is constant.
9. the automatically cleaning control method of Air conditioner on car according to claim 3, which is characterized in that " it is empty to control the parking
Transfer in into automatically cleaning mode " the step of further comprise:
The Air conditioner on car is controlled to run with heating mode；
Adjust the running frequency f of the compressor, the running speed r of the outer blower1, the revolving speed r of the inner blower2, Yi Jisuo
The aperture B of throttle valve is stated, so that the surface frosting of the outdoor radiator；
Calculate the pressure difference between the inlet side and air side of the outdoor radiator；
When the pressure difference is greater than preset pressure, controls the Air conditioner on car and refrigeration mode is run, so that the radiator
Surface defrost.
10. the automatically cleaning control method of Air conditioner on car according to claim 3, which is characterized in that " controlling the parking
Air-conditioning enters automatically cleaning mode " the step of before, the automatically cleaning control method further include:
It controls the vehicle and issues automatically cleaning prompt information.
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| CN112747433A (en) * | 2021-03-03 | 2021-05-04 | 郑州海尔空调器有限公司 | Control method, storage medium and control device of air conditioner |
| CN115107459A (en) * | 2022-07-08 | 2022-09-27 | 奇瑞汽车股份有限公司 | Air conditioner self-cleaning system and method utilizing battery waste heat recovery |
| CN115923722A (en) * | 2022-12-19 | 2023-04-07 | 北京北汽李尔汽车系统有限公司 | Automatic cleaning method and device for automobile seat and automobile |
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