CN108488997A - Air conditioner and its control method and computer readable storage medium - Google Patents
Air conditioner and its control method and computer readable storage medium Download PDFInfo
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- CN108488997A CN108488997A CN201810436282.8A CN201810436282A CN108488997A CN 108488997 A CN108488997 A CN 108488997A CN 201810436282 A CN201810436282 A CN 201810436282A CN 108488997 A CN108488997 A CN 108488997A
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- air conditioner
- temperature value
- heat exchanger
- outdoor heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control methods of air conditioner, include the following steps：After defrost, the temperature value of the outdoor heat exchanger of air conditioner is detected；Judge whether the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value；When the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, the running frequency of compressor is reduced, so that refrigerant temperature gos up in outdoor heat exchanger.The invention also discloses a kind of air conditioner and computer readable storage mediums.The embodiment of the present invention, after defrost, by the temperature value for detecting air conditioner chamber's external heat exchanger, judge whether the temperature value is less than or equal to preset temperature value, if the temperature value is less than or equal to preset temperature value, reduces the running frequency of compressor, so that refrigerant temperature gos up in outdoor heat exchanger, it avoids realizing that air conditioner comfort is high to participate in recycling in the static throttling set for blocking air conditioner, the service life of compressor is long.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to air conditioner and its control method and computer-readable storage mediums
Matter.
Background technology
Currently, in technical field of air conditioner refrigeration, R22 is substituted using R410a refrigerants mostly, it is with the obvious advantage to be embodied in
On convertible frequency air-conditioner, but since the GWP value of R410a refrigerants is higher (for 2200), in Present Global greenhouse effects getting worse, generation
It copes under the background of global climate transition pay attention to day by day various countries of boundary, it will gradually eliminated.Therefore, at present it is more absorbed research with
R32, R290 are the low GWP refrigerants of representative, and at the same time, corresponding compressor research and development are also underway.Wherein, compressor machine
Oil is also increasingly taken seriously as essential component part in air-conditioning system.
Lubricating oil in cooler compressor be to the normal operation of system it is extremely important, lubricating oil play to cylinder and
Rotor lubrication, sealing and the effect of cooling increase if lubrication shortage of oil will cause to wear between compresser cylinder and rotor, interior
Portion's temperature is excessively high, eventually leads to burn-down of electrical machinery, and system crash is even more important especially for novel combustible refrigerant.If deposited
Lead to problems such as oil return is unsmooth to will result in compressor lubrication shortage of oil, motor idle running fever in certain reason, so in system
Design in have to ensure that lubricating oil can normally return to compressor and motor heat is timely discharged.
But for combustible refrigerant, showing for throttling set blocking can occur under the low temperature defrost operating mode of existing system
As that can not participate in recycling so as to cause refrigerant, compressor dallies, and compressor electric motor excessive heating is burnt after long time running, significantly
Reduce the service life of compressor and system.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
Invention content
The main purpose of the present invention is to provide a kind of air conditioner and its control method and computer readable storage medium, purports
It can not be participated in so as to cause refrigerant there is a phenomenon where throttling set blocks under low temperature defrost operating mode in the existing air conditioner of solution
Cycle, compressor idle running, compressor electric motor excessive heating is burnt after long time running, greatly reduces making for compressor and system
The technical issues of with the service life.
To achieve the above object, the present invention provides a kind of control method of air conditioner, includes the following steps：
After defrost, the temperature value of the outdoor heat exchanger of air conditioner is detected, wherein the temperature value is outdoor heat exchange
The Outlet Temperature value of device coil pipe is either the middle portion temperature value of outdoor heat exchanger coil pipe or going out for outdoor heat exchanger coil pipe
The average value of mouth temperature value and middle portion temperature value；
Judge whether the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value；
When the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, the running frequency of compressor is reduced,
So that refrigerant temperature gos up in outdoor heat exchanger.
Preferably, the control method of the air conditioner further includes：
After defrost terminates and presets first time interval, the temperature value of the outdoor heat exchanger of the detection air conditioner is executed
The step of.
Preferably, after the step of running frequency for reducing compressor, the control method of the air conditioner further includes：
After default second time interval, continue the current temperature value of the outdoor heat exchanger of detection air conditioner,
Judge whether the current temperature value of the outdoor heat exchanger is more than the preset temperature value；
When the current temperature value of the outdoor heat exchanger is more than the preset temperature value, restore the operation of the compressor
Frequency.
Preferably, after the step of running frequency for reducing compressor, the control method of the air conditioner further includes：
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature, obtains compressor and currently transport
Line frequency value；
Judge whether the current operation frequency value is more than preset operating frequency value；
When the current operation frequency value is more than the preset operating frequency value, returns and execute the reduction compressor
The step of running frequency.
Preferably, after the step of running frequency for reducing compressor, the control method of the air conditioner further includes：
When the current operation frequency value is less than or equal to the preset operating frequency value, fault cues information is exported,
And/or compressor out of service.
Preferably, after the step of running frequency for reducing compressor, the control method of the air conditioner further includes：
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value, increase the section of air conditioner
Flow the aperture of device.
Preferably, the step of running frequency for reducing compressor includes：
Obtain air conditioner current operation frequency value；
Predeterminated frequency value is reduced on the basis of the current operation frequency value.
Preferably, the control method of the air conditioner further includes：
After air conditioner booting, the working signal of real-time or timing acquiring air conditioner four-way valve；
After collecting at least two four-way valves and changing working signal, judge that the air conditioner defrost terminates.
To achieve the goals above, the present invention also provides a kind of air conditioner, the air conditioner includes：Memory and processor
And it is stored in the air conditioner control program that can be run on the memory and on the processor, the air conditioner controls program
The control method of air conditioner as described above is realized when being executed by the processor.
In addition, the present invention also provides a kind of computer readable storage medium, stored on the computer readable storage medium
There is air conditioner to control program, the air conditioner control program realizes the controlling party of air conditioner as described above when being executed by processor
Method.
A kind of air conditioner proposed by the present invention and its control method and computer storage media pass through after defrost
The temperature value for detecting air conditioner chamber's external heat exchanger, judges whether the temperature value is less than or equal to preset temperature value, if the temperature value
When less than or equal to preset temperature value, the running frequency of compressor is reduced so that refrigerant temperature gos up in outdoor heat exchanger, avoids
In the static throttling set for blocking air conditioner to participate in recycling, realize that air conditioner comfort is high, compressor makes
Use long lifespan.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram for the hardware running environment that one embodiment of the invention scheme is related to；
Fig. 2 is the flow diagram of the first embodiment of the control method of air conditioner of the present invention；
Fig. 3 is the flow diagram of the second embodiment of the control method of air conditioner of the present invention；
Fig. 4 is the flow diagram of the 3rd embodiment of the control method of air conditioner of the present invention；
Fig. 5 is the flow diagram of the fourth embodiment of the control method of air conditioner of the present invention；
Fig. 6 is the flow diagram of the 5th embodiment of the control method of air conditioner of the present invention；
Fig. 7 is the flow diagram of the sixth embodiment of the control method of air conditioner of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are：After defrost, the temperature of the outdoor heat exchanger of air conditioner is detected
Angle value；Judge whether the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value；In the temperature of the outdoor heat exchanger
When angle value is less than or equal to preset temperature value, the running frequency of compressor is reduced.
Since the lubricating oil in current cooler compressor is extremely important to the normal operation of system, lubricating oil plays
Effect to cylinder and rotor lubrication, sealing and cooling, if lubrication shortage of oil will cause to grind between compresser cylinder and rotor
Damage increases, and internal temperature is excessively high, eventually leads to burn-down of electrical machinery, and system crash is especially heavy especially for novel combustible refrigerant
It wants.Lead to problems such as oil return is unsmooth to will result in compressor lubrication shortage of oil, motor idle running fever, institute if there is certain reason
To have to ensure that lubricating oil can normally return to compressor and motor heat is timely discharged in the design of system.
As shown in Figure 1, the apparatus structure schematic diagram for the hardware running environment that Fig. 1, which is the embodiment of the present invention, to be related to.
Device of the embodiment of the present invention can be air conditioner, can also be PC, smart mobile phone, the tablet electricity being connect with air conditioner
The control devices such as brain, pocket computer, remote controler.When being other equipment outside air conditioner, other equipment passes through in air conditioner
Outdoor fan is opened, and during compressor operating, is obtained and is classified current switching frequency outside air conditioner chamber, to the switching frequency
It is adjusted, and then in outdoor fan operational process, controls switching frequency converting operation.
As shown in Figure 1, the device may include：Processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 may include optionally that the wired of standard connects
Mouth, wireless interface (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory, can also be stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
Optionally, device can also include camera, RF (Radio Frequency, radio frequency) circuit, sensor, audio
Circuit, WiFi module, detector (magnet ring+Hall sensor) etc..Wherein, sensor such as imaging sensor, infrared sensing
Device, temperature sensor and other sensors.Certainly, device can also configure gyroscope, barometer, hygrometer, thermometer, temperature
The other sensors such as sensor, details are not described herein.
It will be understood by those skilled in the art that the restriction of the not structure twin installation of terminal structure shown in Fig. 1, can wrap
It includes than illustrating more or fewer components, either combines certain components or different components arrangement.
As shown in Figure 1, as may include operating system, net in a kind of memory 1005 of computer readable storage medium
Network communication module, Subscriber Interface Module SIM and air conditioner control application program.
In terminal shown in Fig. 1, network interface 1004 is mainly used for connecting background server, is carried out with background server
Data communicate；User interface 1003 is mainly used for connecting client (user terminal), with client into row data communication；And processor
1001 can be used for calling the air conditioner control application program stored in memory 1005, and execute following operation：
After defrost, the temperature value of the outdoor heat exchanger of air conditioner is detected, wherein the temperature value is outdoor heat exchange
The Outlet Temperature value of device coil pipe is either the middle portion temperature value of outdoor heat exchanger coil pipe or going out for outdoor heat exchanger coil pipe
The average value of mouth temperature value and middle portion temperature value；
Judge whether the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value；
When the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, the running frequency of compressor is reduced,
So that refrigerant temperature gos up in outdoor heat exchanger.
Further, after described the step of obtaining outdoor fan of air conditioner current switching frequency, the processor
1001 can be used for calling the air conditioner control application program stored in memory 1005, and execute following operation：
After defrost terminates and presets first time interval, the temperature value of the outdoor heat exchanger of the detection air conditioner is executed
The step of.
Further, after described the step of obtaining outdoor fan of air conditioner current switching frequency, the processor
1001 can be used for calling the air conditioner control application program stored in memory 1005, and execute following operation：
After default second time interval, continue the current temperature value of the outdoor heat exchanger of detection air conditioner,
Judge whether the current temperature value of the outdoor heat exchanger is more than the preset temperature value；
When the current temperature value of the outdoor heat exchanger is more than the preset temperature value, restore the operation of the compressor
Frequency.
Further, the processor 1001 can be used for calling the air conditioner control stored in memory 1005 to apply journey
Sequence, and execute following operation：
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature, obtains compressor and currently transport
Line frequency value；
Judge whether the current operation frequency value is more than preset operating frequency value；
When the current operation frequency value is more than the preset operating frequency value, returns and execute the reduction compressor
The step of running frequency.
Further, the processor 1001 can be used for calling the air conditioner control stored in memory 1005 to apply journey
Sequence, and execute following operation：
When the current operation frequency value is less than or equal to the preset operating frequency value, fault cues information is exported,
And/or compressor out of service.
Further, the processor 1001 can be also used for calling the air conditioner control application stored in memory 1005
Program, and execute following operation：
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value, increase the section of air conditioner
Flow the aperture of device.
Further, the processor 1001 can be also used for calling the air conditioner control application stored in memory 1005
Program, and execute following operation：
Obtain air conditioner current operation frequency value；
Predeterminated frequency value is reduced on the basis of the current operation frequency value.
Further, the processor 1001 can be also used for calling the air conditioner control application stored in memory 1005
Program, and execute following operation：
After air conditioner booting, the working signal of real-time or timing acquiring air conditioner four-way valve；
After collecting at least two four-way valves and changing working signal, judge that the air conditioner defrost terminates.
With reference to figure 2, first embodiment of the invention provides a kind of control method of air conditioner, the control method of the air conditioner
Including：
Step S10 detects the temperature value of the outdoor heat exchanger of air conditioner after defrost；
The present embodiment terminal is air conditioner, after the air conditioner defrost, the outdoor heat exchanger temperature of the air conditioner
Spend relatively low, when refrigerant passes through the outdoor heat exchanger at this time, based on the characteristic that refrigerant is affected by temperature, refrigerant passes through rigidifying frost knot
When outdoor heat exchanger after beam, mobile performance changes.In the outdoor heat exchanger of the air conditioner, temperature sensor is set, it is real
When or timing detect the tube temperature angle value of the outdoor heat exchanger, to obtain the refrigerant temperature value in outdoor heat exchanger pipe.Wherein, institute
State outdoor heat exchanger temperature value be outdoor heat exchanger Outlet Temperature value, either be outdoor heat exchanger middle portion temperature value or
For the average value of the Outlet Temperature value and outdoor heat exchanger middle portion temperature value of outdoor heat exchanger, the preferably described temperature value is the room
The Outlet Temperature value of external heat exchanger judges that refrigerant mobile performance is for example sticky by detecting the outdoor heat exchanger Outlet Temperature value
Degree, accuracy highest.Namely the temperature sensor is arranged in the middle part of the outdoor heat exchanger or outlet port, passes through the temperature
Degree sensor detects the temperature value of the outdoor heat exchanger.
In the present embodiment, confirm that defrost terminates there are many modes, specifically after air conditioner booting, in real time or timing acquiring is empty
Adjust the working signal of the four-way valve of device；After collecting at least two four-way valves and changing working signal, the air-conditioning is judged
Device defrost terminates.Preferably, after air conditioner booting, after air conditioner runs third preset time, the four-way valve of air conditioner is acquired
Working signal, N number of four-way valve is specifically collected in M minutes and changes signal, then it is assumed that defrost terminates.
Step S20, judges whether the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value；
Step S30 reduces the fortune of compressor when the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value
Line frequency, so that refrigerant temperature gos up in outdoor heat exchanger.
In addition, when the temperature value of the outdoor heat exchanger is more than the preset temperature value, the compressor of the air conditioner
It is run according to current operation frequency, after waiting for next defrost, continues to execute above-mentioned steps S10.
It is affected by temperature based on the refrigerant mobility in the outdoor heat exchanger, refrigerant peace can be preset according to the characteristic of refrigerant
The corresponding temperature value of sticky angle value flowed entirely, preset temperature value described in the present embodiment be then it is described it is default flow safely it is sticky
The corresponding temperature value of angle value namely the refrigerant are in safe flow regime, if refrigerant temperature more than the preset temperature value
Less than the preset temperature value, the viscosity of refrigerant is excessively high, easily influences its mobility, and then block throttling set.Therefore logical
It crosses and judges whether the temperature value of outdoor heat exchanger less than preset temperature value judges the flow regime of refrigerant.In the outdoor heat exchange
When the temperature value of device is less than or equal to preset temperature value, refrigerant viscosity is high, when continuing to run air conditioner with current operation frequency,
Refrigerant will block throttling set, therefore reduce the running frequency of compressor.
Wherein, the mode for reducing the running frequency of compressor can be to reduce predeterminated frequency △ F values, specifically reduce compressor
Running frequency the step of include：When the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, air-conditioning is obtained
Device current operation frequency value；Predeterminated frequency △ values are reduced on the basis of the current operation frequency value.Namely in the air-conditioning
On the basis of device current operation frequency value, predeterminated frequency △ F values are reduced, the cooler compressor is according to downward predeterminated frequency value
Frequency operation after △ F, declines the running frequency of the compressor according to compressor actual motion frequency, more ensures air conditioner
Safe operation, wherein the predeterminated frequency △ F values cannot be too big, leads to outdoor heat exchange to avoid compressor frequency variation is too fast
Device temperature, which measures inaccurate situation, to be occurred.
It is understood that the mode of the running frequency for reducing compressor can be other modes, compression is such as reduced
The step of running frequency of machine includes：When the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, control pressure
Contracting machine declines preset operating frequency value on the basis of preset operating frequency.
The present embodiment, by detecting the temperature value of air conditioner chamber's external heat exchanger, judges that the temperature value is after defrost
It is no to be less than or equal to preset temperature value, if the temperature value is less than or equal to preset temperature value, the running frequency of compressor is reduced,
So that refrigerant temperature gos up in outdoor heat exchanger, avoid in the static throttling set for blocking air conditioner to participate in recycling,
Realize that air conditioner comfort is high, the service life of compressor is long.
With reference to figure 3, second embodiment of the invention provides a kind of control method of air conditioner, which is based on above-mentioned Fig. 2
Shown in embodiment, the control method of the air conditioner further includes：
Step S40 executes the outdoor heat exchanger of the detection air conditioner after defrost terminates and presets first time interval
Temperature value the step of.
In order to reduce the temperature value of air conditioner detection outdoor heat exchanger and the processing to temperature Value Data, it is based on defrost knot
Shu Hou, within a certain period of time, the refrigerant mobility influence in heat exchanger are smaller, after may be provided at prefixed time interval, then detect
The temperature value of the outdoor heat exchanger of air conditioner.
It is often used in state according to first prefixed time interval, air conditioner defrost terminates to refrigerant mobility variations
Time interval, first prefixed time interval is according to different air conditioners or without being run using user or different running frequency
When correspond to it is different.The default first time interval cannot be too long, and the excessively described default first time is long, accommodating to save
It flows device to block, long-time compressor can lead to compressor idle running fever with upper frequency operation, cause compressor damage.
The present embodiment presets first time interval and just executes step S10 later, reduce to outdoor heat exchange after defrost
The detection and processing of device temperature value, while protecting the performance and service life of compressor.
With reference to figure 4, third embodiment of the invention provides a kind of control method of air conditioner, which is based on above-mentioned Fig. 3
Shown in embodiment, it is described reduce compressor running frequency the step of after, the control method of the air conditioner further includes：
Step S50 after presetting the second time interval, continues the current temperature value of the outdoor heat exchanger of detection air conditioner；
Namely air conditioner presets the second time interval according to running frequency operation after reduction predeterminated frequency value described above
Afterwards, the current temperature value of the outdoor heat exchanger of air conditioner is detected again, wherein the current temperature value of the outdoor heat exchanger is room
The current Outlet Temperature value of external heat exchanger is either the current middle portion temperature value of outdoor heat exchanger or working as outdoor heat exchanger
The average value of preceding Outlet Temperature value and the current middle portion temperature value of outdoor heat exchanger, the preferably described temperature value are the outdoor heat exchanger
Current Outlet Temperature value, judge that refrigerant mobile performance is for example sticky by detecting the current Outlet Temperature value of outdoor heat exchanger
Degree, accuracy highest.It is understood that the air conditioner can detect the current temperature of outdoor heat exchanger of air conditioner in real time
Value, is detected after can also presetting the second time interval, is spaced after preferably default second time interval, outdoor heat exchanger is worked as in reduction
The detection and processing of preceding temperature value, second prefixed time interval are unsuitable long.
Step S60, judges whether the current temperature value of the outdoor heat exchanger is more than the preset temperature value；
Step S70 restores the compression when the current temperature value of the outdoor heat exchanger is more than the preset temperature value
The running frequency of machine.
Preset temperature value described in the present embodiment is also that the default sticky angle value flowed safely described in above-described embodiment corresponds to
Temperature value namely the refrigerant more than the preset temperature value in safe flow regime, if refrigerant temperature is less than described
The viscosity of preset temperature value, refrigerant is excessively high, easily influences its mobility, and then block throttling set.Therefore by judging room
Whether the temperature value of external heat exchanger less than preset temperature value judges the flow regime of refrigerant.
In order to allow compressor operation back to normal as early as possible, the evaporating temperature of indoor unit is improved, ensures air conditioner to user
The comfort brought judges the current temperature value of the outdoor heat exchanger of air conditioner, in the outdoor after presetting the second time interval
When the current temperature value of heat exchanger is more than the preset temperature value, restore the running frequency of the compressor.Namely in the room
When the current temperature value of external heat exchanger reaches safe temperature value, restore fortune of the running frequency of the compressor to before not reducing
Line frequency, so that the compressor of the air conditioner is run according to normal running frequency.
It is understood that the mode for restoring the running frequency of the compressor can also be by obtaining current practical fortune
Line frequency value and the corresponding frequency values of preset running frequency, determine the difference of actual motion frequency values and preset operating frequency value
Value, and then determine adjusted value, the running frequency of the compressor is adjusted according to the adjusted value.Alternatively, by obtaining currently
Actual motion frequency values rise the predeterminated frequency value on the basis of the current actual motion frequency values, to restore extremely
Initial launch frequency values.
In addition, when the current temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, illustrate in the room
Refrigerant poor fluidity at the current temperature of external heat exchanger, or be easy to block throttling set, it is thus desirable to the outdoor
The temperature of heat exchanger is handled, the temperature of outdoor heat exchanger as described in continuing to increase.
The present embodiment is by after default second time interval, detecting the temperature value of outdoor heat exchanger, and judge the room
Whether whether the temperature value of external heat exchanger is more than preset temperature value, be refrigerant stream with the temperature of the presently described outdoor heat exchanger of determination
Dynamic safe temperature replys compressor operating frequency when the outdoor heat exchanger Current Temperatures are that refrigerant flows safe temperature
To original running frequency, to allow compressor operation back to normal as early as possible, improve the evaporating temperature of indoor unit, ensure air conditioner to
The comfort that user brings.
With reference to figure 5, fourth embodiment of the invention proposes a kind of control method of air conditioner, based on implementation shown in above-mentioned Fig. 4
After the step of example, the running frequency for reducing compressor, the control method of the air conditioner further includes：
Step S80 obtains compression when the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature
Machine current operation frequency value；
Step S90, judges whether the current operation frequency value is more than preset operating frequency value；
When the current operation frequency value is more than the preset operating frequency value, returns and execute the reduction compressor
The step of running frequency.Namely when the current operation frequency value is more than the preset operating frequency value, continue to reduce compression
The running frequency of machine, wherein reduce compressor operating frequency the step of in above-described embodiment one reduce compressor operating frequency
On the basis of after rate, the running frequency of compressor is reduced again.
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value, outdoor is changed in order to prevent
Refrigerant in hot device blocks throttling set, need to continue to handle the temperature of the outdoor heat exchanger, in the present embodiment, leads to
The mode for crossing the running frequency for continuing to reduce compressor, promotes the temperature of the outdoor heat exchanger, so that condensation temperature is unlikely to
It is too low and sticky influence flowing occurs, while when avoiding the too low operation of compressor operating frequency again, compressor is damaged, in the room
When the current temperature value of external heat exchanger is less than or equal to the preset temperature value, acquisition compressor current operation frequency value, and
When current operation frequency value is more than preset operating frequency value, just continue the running frequency for reducing compressor.Wherein, the default fortune
Line frequency value is the compressor minimum operating frequency safety value, and the preset operating frequency value cannot be too big, to avoid compression
Machine prematurely reaches shutdown value and judges by accident.
In the present embodiment when the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value, pass through
The running frequency of compressor is first judged whether in safe range, in the step of execution continues to reduce compressor operating frequency, is protected
While protecting compressor safe operation, increases the temperature of outdoor heat exchanger by way of reducing compressor operating frequency, prevent
Refrigerant in outdoor heat exchanger blocks throttling set.
With reference to figure 6, fifth embodiment of the invention proposes a kind of control method of air conditioner, based on implementing described in above-mentioned Fig. 5
After the step of example, the running frequency for reducing compressor, the control method of the air conditioner further includes：
Step S100 exports failure when the current operation frequency value is less than or equal to the preset operating frequency value
Prompt message and/or compressor out of service.
When the current operation frequency value is less than or equal to the preset operating frequency value, then compressor is in too low fortune
Line frequency state may be damaged compressor, therefore export fault cues information if continuing to run compressor with the running frequency
Or fault cues information is exported while direct compressor out of service or compressor out of service.
In the present embodiment, fault cues information can be exported directly on the display interface of the indoor unit of the air conditioner,
Or fault cues information is sent to mobile terminal, prompt user.The fault cues information can be text prompt information,
It can be verbal cue information, be either outdoor unit fault code or be preset alarm auditory tone cues information.
By when the current operation frequency value is less than or equal to the preset operating frequency value, exporting in the present embodiment
Fault cues information and/or compressor out of service protect cooler compressor.
With reference to figure 7, sixth embodiment of the invention proposes a kind of control method of air conditioner, based on implementation shown in above-mentioned Fig. 4
After the step of example, the running frequency for reducing compressor, the control method of the air conditioner further includes：
Step S110 increases when the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value
The aperture of the throttling set of air conditioner.
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value, outdoor is changed in order to prevent
Refrigerant in hot device blocks throttling set, need to continue to handle the temperature of the outdoor heat exchanger, in the present embodiment, leads to
The mode for crossing the aperture for the throttling set for continuing to increase air conditioner, promotes the temperature of the outdoor heat exchanger, so that condensation temperature
When being unlikely to too low and sticky influence flowing occurs, while avoiding the too low operation of compressor operating frequency again, compressor is damaged.
It is understood that in order to enable compression function restores normal operating frequency operation as possible, in increase throttling set
While aperture, the running frequency of the compressor can also be restored, to improve the evaporating temperature of indoor unit, ensure air conditioner to
The comfort that user brings.
The present embodiment passes through increasing when the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value
The mode of the aperture of the throttling set of big air conditioner, realization prevent refrigerant from blocking throttling set, improve the performance of air conditioner
And service life.
In addition, being based on above-mentioned all embodiments, during actually controlling, can be changed according to the preset operation rule of air conditioner
Become relevant parameter, such as rotation speed of fan.
In the present invention, when can be according to the type of air conditioner and/or the default cold medium compressor oil type used selection first
Between interval, the second prefixed time interval, predeterminated frequency △ F values, the size of predeterminated frequency value and preset temperature value, wherein
One prefixed time interval ranging from 5-15min, the second prefixed time interval ranging from 1-2min, predeterminated frequency △ F values are 3-
8Hz, predeterminated frequency value 10-20Hz, preset temperature value are -45 DEG C -55 DEG C.Flammable refrigerant known to the present invention be R290 or
R32。
The embodiment of the present invention also proposes that a kind of air conditioner, the air conditioner include：Memory and processor and it is stored in institute
The air conditioner control program that can be run on memory and on the processor is stated, the air conditioner controls program by the processing
Device realizes the control method of air conditioner as described above when executing.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, the computer readable storage medium
On be stored with air conditioner control program, air conditioner control program realizes air-conditioning described above when being executed by the processor
Each step of the control method of device.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above
In readable storage medium storing program for executing (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be hand
Machine, computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of control method of air conditioner, which is characterized in that include the following steps：
After defrost, the temperature value of the outdoor heat exchanger of air conditioner is detected, wherein the temperature value is outdoor heat exchanger disk
The Outlet Temperature value of pipe, either for the middle portion temperature value of outdoor heat exchanger coil pipe or be the outlet temperature of outdoor heat exchanger coil pipe
The average value of angle value and middle portion temperature value；
Judge whether the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value；
When the temperature value of the outdoor heat exchanger is less than or equal to preset temperature value, the running frequency of compressor is reduced, so that
Refrigerant temperature gos up in outdoor heat exchanger.
2. the control method of air conditioner as described in claim 1, which is characterized in that the control method of the air conditioner is also wrapped
It includes：
After defrost terminates and presets first time interval, the step of the temperature value of the outdoor heat exchanger of the detection air conditioner is executed
Suddenly.
3. the control method of air conditioner as claimed in claim 2, which is characterized in that the running frequency for reducing compressor
After step, the control method of the air conditioner further includes：
After default second time interval, continue the current temperature value of the outdoor heat exchanger of detection air conditioner,
Judge whether the current temperature value of the outdoor heat exchanger is more than the preset temperature value；
When the current temperature value of the outdoor heat exchanger is more than the preset temperature value, restore the operation frequency of the compressor
Rate.
4. the control method of air conditioner as claimed in claim 3, which is characterized in that the running frequency for reducing compressor
After step, the control method of the air conditioner further includes：
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature, obtains compressor and currently run frequency
Rate value；
Judge whether the current operation frequency value is more than preset operating frequency value；
When the current operation frequency value is more than the preset operating frequency value, returns and execute the operation for reducing compressor
The step of frequency.
5. the control method of air conditioner as claimed in claim 4, which is characterized in that the running frequency for reducing compressor
After step, the control method of the air conditioner further includes：
When the current operation frequency value is less than or equal to the preset operating frequency value, fault cues information is exported, and/or
Compressor out of service.
6. the control method of air conditioner as claimed in claim 3, which is characterized in that the running frequency for reducing compressor
After step, the control method of the air conditioner further includes：
When the current temperature value of the outdoor heat exchanger is less than or equal to the preset temperature value, increase the throttling dress of air conditioner
The aperture set.
7. the control method of air conditioner as described in claim 1, which is characterized in that the running frequency for reducing compressor
Step includes：
Obtain air conditioner current operation frequency value；
Predeterminated frequency value is reduced on the basis of the current operation frequency value.
8. the control method of the air conditioner as described in claim 1 to 7 any one, which is characterized in that the control of the air conditioner
Method processed further includes：
After air conditioner booting, the working signal of real-time or timing acquiring air conditioner four-way valve；
After collecting at least two four-way valves and changing working signal, judge that the air conditioner defrost terminates.
9. a kind of air conditioner, which is characterized in that the air conditioner includes：It memory and processor and is stored on the memory
And the air conditioner control program that can be run on the processor, the air conditioner control program are real when being executed by the processor
Now such as the control method of air conditioner described in any item of the claim 1 to 8.
10. a kind of computer readable storage medium, which is characterized in that be stored with air conditioner on the computer readable storage medium
Program is controlled, the air conditioner control program realizes such as air-conditioning described in any item of the claim 1 to 8 when being executed by processor
The control method of device.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323365A (en) * | 2018-09-30 | 2019-02-12 | 广东美的制冷设备有限公司 | The method and apparatus and air-conditioning and storage medium of diagnosis air-conditioning obstruction failure |
| CN111023448A (en) * | 2019-10-30 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Control method for operation of air conditioner after heating and defrosting |
| CN111121230A (en) * | 2019-12-30 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN111189174A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN111189178A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101211007B1 (en) * | 2005-12-22 | 2012-12-11 | 엘지전자 주식회사 | Air conditioning of Thermo defrost the operation method |
| CN105091226A (en) * | 2015-08-07 | 2015-11-25 | 广东美芝制冷设备有限公司 | Control method and device for air conditioner system |
| CN105180351A (en) * | 2015-08-07 | 2015-12-23 | 美的集团武汉制冷设备有限公司 | Air-conditioner control method and air-conditioner |
| CN105465968A (en) * | 2015-12-31 | 2016-04-06 | 广东美的制冷设备有限公司 | Detection method and detection device for oil blockage of air conditioning system, and air-conditioner |
| CN105465970A (en) * | 2015-12-31 | 2016-04-06 | 广东美的制冷设备有限公司 | Disposal method and disposal device for greasy blockage of air conditioner system and air conditioner |
| CN105570987A (en) * | 2015-12-31 | 2016-05-11 | 广东美的制冷设备有限公司 | Air conditioning system and oil blockage treatment method and treatment device of air conditioning system |
| CN105627496A (en) * | 2014-10-29 | 2016-06-01 | 青岛海尔空调器有限总公司 | Low-temperature refrigerating control method of air conditioner and air conditioner |
| CN106949679A (en) * | 2017-03-29 | 2017-07-14 | 广东美的制冷设备有限公司 | Air-conditioner and its defrosting control method |
| CN107044718A (en) * | 2017-05-09 | 2017-08-15 | 广东美的制冷设备有限公司 | The control method of air conditioner, the control device of air conditioner and air conditioner |
| CN108105952A (en) * | 2017-10-25 | 2018-06-01 | 青岛海尔空调器有限总公司 | Transducer air conditioning and its control method |
-
2018
- 2018-05-08 CN CN201810436282.8A patent/CN108488997A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101211007B1 (en) * | 2005-12-22 | 2012-12-11 | 엘지전자 주식회사 | Air conditioning of Thermo defrost the operation method |
| CN105627496A (en) * | 2014-10-29 | 2016-06-01 | 青岛海尔空调器有限总公司 | Low-temperature refrigerating control method of air conditioner and air conditioner |
| CN105091226A (en) * | 2015-08-07 | 2015-11-25 | 广东美芝制冷设备有限公司 | Control method and device for air conditioner system |
| CN105180351A (en) * | 2015-08-07 | 2015-12-23 | 美的集团武汉制冷设备有限公司 | Air-conditioner control method and air-conditioner |
| CN105465968A (en) * | 2015-12-31 | 2016-04-06 | 广东美的制冷设备有限公司 | Detection method and detection device for oil blockage of air conditioning system, and air-conditioner |
| CN105465970A (en) * | 2015-12-31 | 2016-04-06 | 广东美的制冷设备有限公司 | Disposal method and disposal device for greasy blockage of air conditioner system and air conditioner |
| CN105570987A (en) * | 2015-12-31 | 2016-05-11 | 广东美的制冷设备有限公司 | Air conditioning system and oil blockage treatment method and treatment device of air conditioning system |
| CN106949679A (en) * | 2017-03-29 | 2017-07-14 | 广东美的制冷设备有限公司 | Air-conditioner and its defrosting control method |
| CN107044718A (en) * | 2017-05-09 | 2017-08-15 | 广东美的制冷设备有限公司 | The control method of air conditioner, the control device of air conditioner and air conditioner |
| CN108105952A (en) * | 2017-10-25 | 2018-06-01 | 青岛海尔空调器有限总公司 | Transducer air conditioning and its control method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323365A (en) * | 2018-09-30 | 2019-02-12 | 广东美的制冷设备有限公司 | The method and apparatus and air-conditioning and storage medium of diagnosis air-conditioning obstruction failure |
| CN109323365B (en) * | 2018-09-30 | 2021-11-19 | 广东美的制冷设备有限公司 | Method and apparatus for diagnosing blocking fault of air conditioner, air conditioner and storage medium |
| CN111189174A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN111189178A (en) * | 2018-11-14 | 2020-05-22 | 青岛海尔空调器有限总公司 | Air conditioner and anti-freezing control method thereof |
| CN111189174B (en) * | 2018-11-14 | 2021-09-21 | 重庆海尔空调器有限公司 | Air conditioner and anti-freezing control method thereof |
| CN111189178B (en) * | 2018-11-14 | 2021-09-21 | 重庆海尔空调器有限公司 | Air conditioner and anti-freezing control method thereof |
| CN111023448A (en) * | 2019-10-30 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Control method for operation of air conditioner after heating and defrosting |
| WO2021082398A1 (en) * | 2019-10-30 | 2021-05-06 | 宁波奥克斯电气股份有限公司 | Control method for operation of air conditioner after heating and defrosting |
| CN111121230A (en) * | 2019-12-30 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN114484830A (en) * | 2022-01-14 | 2022-05-13 | 青岛海尔空调器有限总公司 | Control method and control system of air conditioner, electronic equipment and storage medium |
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