CN109059173A - Air conditioner and its defrosting control method, computer readable storage medium - Google Patents
Air conditioner and its defrosting control method, computer readable storage medium Download PDFInfo
- Publication number
- CN109059173A CN109059173A CN201810833164.0A CN201810833164A CN109059173A CN 109059173 A CN109059173 A CN 109059173A CN 201810833164 A CN201810833164 A CN 201810833164A CN 109059173 A CN109059173 A CN 109059173A
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- China
- Prior art keywords
- air conditioner
- way valve
- electric expansion
- expansion valve
- operating parameter
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Classifications
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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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Abstract
The invention discloses a kind of air conditioner and its defrosting control methods, computer readable storage medium, wherein, air conditioner includes electric expansion valve, and one end of the electric expansion valve is connected to the exhaust outlet of the compressor, and the other end is connected to the gas returning port of the compressor；When the air conditioner enters defrost pattern, controls the electric expansion valve and open；When the electric expansion valve fully opens, if the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；When the four-way valve commutates completion, controls the electric expansion valve and close, to execute defrosting operation.The present invention can reduce the pressure difference between four-way valve mesohigh refrigerant and low pressure refrigerant, control four-way valve commutation when reaching pressure equilibrium between high pressure refrigerant and low pressure refrigerant, high-low pressure moment impact is caused when four-way valve being avoided to commutate, outdoor unit noise when four-way valve commutation is reduced, user experience is promoted.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of air conditioners and its defrosting control method, computer-readable
Storage medium.
Background technique
For air conditioner in heating, indoor temperature is high, and outside temperature is low.Since the temperature of outdoor heat exchanger declines,
It will appear condensation water on fin；And outdoor heat exchanger will start frosting on fin when temperature dropped to a certain extent,
It possibly even freezes, will so heat exchanger channels be caused to block, so that heating effect difference does not heat even.Therefore, in the related technology
Air conditioner usually using compressor delivery temperature carry out defrost, start defrosting when, air conditioner four-way valve commutation, make room
The defrost of outdoor heat exchanger is realized in external heat exchanger heat release.
But in existing air conditioner, in outdoor machine of air-conditioner when heating defrost, due in four-way valve high pressure refrigerant channel with
There are biggish pressure difference between low pressure refrigerant channel, four-way valve causes high-low pressure moment impact when commutating, outdoor unit is caused to be made an uproar
Sound is very big.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of air conditioner and its defrosting control methods, computer-readable storage medium
Matter, it is intended to solve air conditioner and cause the very big technical problem of outdoor unit noise since four-way valve commutates in defrost.
To achieve the above object, the present invention provides a kind of air conditioner, and the air conditioner includes passing sequentially through piping connection
Compressor, four-way valve, indoor heat exchanger, throttle valve and outdoor heat exchanger, the air conditioner further include electric expansion valve, the electricity
One end of sub- expansion valve is connected to the exhaust outlet of the compressor, and the other end is connected to the gas returning port of the compressor；
When the air conditioner enters defrost pattern, controls the electric expansion valve and open；It is complete in the electric expansion valve
When full opening, if the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；In the four-way valve
When commutation is completed, controls the electric expansion valve and close, to execute defrosting operation.
In one embodiment, it when the defrosting operation executes completion, controls the electric expansion valve and opens；In the electricity
When sub- expansion valve fully opens, if the second operating parameter of the air conditioner meets preset condition, controls the four-way valve and change
To；When the four-way valve commutates completion, controls the electric expansion valve and close, so that the air conditioner is transported with heating mode
Row.
In addition, to achieve the above object, the present invention also provides a kind of air conditioner defrosting control method, the air conditioner is upper
The air conditioner stated, the air conditioner defrosting control method the following steps are included:
When the air conditioner enters defrost pattern, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the operating parameter of the air conditioner is obtained in real time；
When the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, and execute defrosting operation.
In one embodiment, the operating parameter includes the duration after the electric expansion valve fully opens, institute
It states when the operating parameter of the air conditioner meets preset condition, controlling the step of four-way valve commutates includes:
Determine whether the duration after the electric expansion valve fully opens reaches preset duration；
When the duration reaches preset duration, the four-way valve commutation is controlled.
In one embodiment, the operating parameter includes the running frequency of compressor；The operation in the air conditioner
When parameter meets preset condition, controlling the step of four-way valve commutates includes:
Determine whether the running frequency of the compressor reaches preset operating frequency；
When the running frequency reaches preset operating frequency, the four-way valve commutation is controlled.
In one embodiment, the operating parameter includes the temperature of outdoor unit heat exchanger；The fortune in the air conditioner
When row parameter meets preset condition, controlling the step of four-way valve commutates includes:
Determine whether the temperature of the outdoor unit heat exchanger is greater than preset temperature；
When the temperature of the outdoor unit heat exchanger is greater than preset temperature, the four-way valve commutation is controlled.
In one embodiment, the operating parameter include the first pressure in the four-way valve in high pressure refrigerant channel, with
And the second pressure in low pressure refrigerant channel；When the operating parameter in the air conditioner meets preset condition, described in control
Four-way valve commutate the step of include:
Determine whether the pressure difference between first pressure and second pressure is less than default pressure；
When the pressure difference is less than default pressure, the four-way valve commutation is controlled.
In one embodiment, the step of control electric expansion valve opening includes:
Control electric expansion valve is opened according to scheduled rate, wherein the scheduled rate is 40 steps/min~80 steps/min.
In one embodiment, the air conditioner defrosting control method further include:
When the defrosting operation executes completion, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the second operating parameter of the air conditioner is obtained in real time；
When the second operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, so that the air conditioner is to heat mould
Formula operation.
In addition, to achieve the above object, the present invention also provides a kind of air conditioners, which is characterized in that the air conditioner includes:
Memory, processor and the air conditioner defrosting control program that is stored on the memory and can run on the processor,
Described in any item air conditioner defrosting controls among the above are realized when the air conditioner defrosting control program is executed by the processor
The step of method.
In addition, to achieve the above object, the present invention also provides a kind of computer readable storage mediums, which is characterized in that institute
It states and is stored with air conditioner defrosting control program on computer readable storage medium, the air conditioner defrosting control program is by processor
The step of described in any item air conditioner defrosting control methods among the above are realized when execution.
The present invention is by being arranged electric expansion valve between the exhaust outlet and gas returning port of compressor, when entering defrost pattern
Electric expansion valve is opened, when the operating parameter of air conditioner meets preset condition, the four-way valve commutation is controlled, controls the electricity
Sub- expansion valve is closed, and to execute defrosting operation, can reduce the pressure difference between four-way valve mesohigh refrigerant and low pressure refrigerant,
The commutation of control four-way valve, causes high-low pressure when reaching pressure equilibrium between high pressure refrigerant and low pressure refrigerant when four-way valve being avoided to commutate
Moment impact reduces outdoor unit noise when four-way valve commutation, promotes user experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air conditioner in hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the system structure diagram of one embodiment of the air condition of that present invention；
Fig. 3 is the flow diagram of the air condition of that present invention defrosting control method first embodiment；
Fig. 4 is to meet in advance in the air condition of that present invention defrosting control method second embodiment in the operating parameter of the air conditioner
If when condition, controlling the refinement flow diagram for the step of four-way valve commutates；
Fig. 5 is to meet in advance in the air condition of that present invention defrosting control method 3rd embodiment in the operating parameter of the air conditioner
If when condition, controlling the refinement flow diagram for the step of four-way valve commutates；
Fig. 6 is to meet in advance in the air condition of that present invention defrosting control method fourth embodiment in the operating parameter of the air conditioner
If when condition, controlling the refinement flow diagram for the step of four-way valve commutates；
Fig. 7 is to meet in advance in the 5th embodiment of the air condition of that present invention defrosting control method in the operating parameter of the air conditioner
If when condition, controlling the refinement flow diagram for the step of four-way valve commutates；
Fig. 8 is the flow diagram of the air condition of that present invention defrosting control method sixth embodiment.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Compressor | 2 | Four-way valve |
| 3 | Outdoor unit heat exchanger | 4 | Throttle valve |
| 5 | Indoor set heat exchanger | 6 | Electric expansion valve |
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 embodiment
The application in air conditioner by being arranged an electric expansion valve, one end of the electric expansion valve and the exhaust of compressor
Mouth connection, the other end are connected to the gas returning port of compressor, i.e., electronic expansion are arranged between the exhaust outlet of compressor and gas returning port
Valve opens electric expansion valve when entering defrost pattern, high in four-way valve when the operating parameter of air conditioner meets preset condition
Reach pressure equilibrium, control four-way valve commutation between pressure refrigerant and low pressure refrigerant, and control electric expansion valve closing, with execution
Frost operation, control four-way valve commutation when reaching pressure equilibrium between high pressure refrigerant and low pressure refrigerant, when four-way valve being avoided to commutate
High-low pressure moment impact is caused, outdoor unit noise when four-way valve commutation is reduced.
In order to better understand the above technical scheme, the exemplary reality of the disclosure is more fully described below with reference to accompanying drawings
Apply example.Although showing the exemplary embodiment of the disclosure in attached drawing, it being understood, however, that may be realized in various forms this public affairs
It opens and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments
It is open, and the scope of the present disclosure can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
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.
As shown in Figure 1, Fig. 1 is the structural representation of air conditioner in hardware running environment that the embodiment of the present invention is related to
Figure.
As shown in Figure 1, the air conditioner 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 optionally may include that the wired of standard connects
Mouth, wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
Optionally, air conditioner can also include camera, RF (Radio Frequency, radio frequency) circuit, sensor, sound
Frequency circuit, WiFi module etc..Wherein, sensor such as optical sensor, motion sensor and other sensors.Certainly, empty
Device is adjusted to can also configure the other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, it is no longer superfluous herein
It states.
It will be understood by those skilled in the art that air conditioner structure shown in Fig. 1 does not constitute the restriction to air conditioner, it can
To include perhaps combining certain components or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe module, Subscriber Interface Module SIM and air conditioner defrosting control program.
In air conditioner shown in Fig. 1, network interface 1004 be mainly used for connect background server, with background server into
Row data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And it handles
Device 1001 can be used for calling the air conditioner defrosting control program stored in memory 1005.
In the present embodiment, air conditioner includes: memory 1005, processor 1001 and is stored on the memory 1005
And the air conditioner defrosting control program that can be run on the processor 1001, wherein processor 1001 calls memory 1005
When the air conditioner defrosting control program of middle storage, and execute following operation:
When the air conditioner enters defrost pattern, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the operating parameter of the air conditioner is obtained in real time；
When the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, and execute defrosting operation.
Further, processor 1001 can call the air conditioner defrosting control program stored in memory 1005, also hold
The following operation of row:
Determine whether the duration after the electric expansion valve fully opens reaches preset duration；
When the duration reaches preset duration, the four-way valve commutation is controlled.
Further, processor 1001 can call the air conditioner defrosting control program stored in memory 1005, also hold
The following operation of row:
Determine whether the running frequency of the compressor reaches preset operating frequency；
When the running frequency reaches preset operating frequency, the four-way valve commutation is controlled.
Further, processor 1001 can call the air conditioner defrosting control program stored in memory 1005, also hold
The following operation of row:
Determine whether the temperature of the outdoor unit heat exchanger is greater than preset temperature；
When the temperature of the outdoor unit heat exchanger is greater than preset temperature, the four-way valve commutation is controlled.
Further, processor 1001 can call the air conditioner defrosting control program stored in memory 1005, also hold
The following operation of row:
Determine whether the pressure difference between first pressure and second pressure is less than default pressure；
When the pressure difference is less than default pressure, the four-way valve commutation is controlled.
Further, processor 1001 can call the air conditioner defrosting control program stored in memory 1005, also hold
The following operation of row:
Control electric expansion valve is opened according to scheduled rate, wherein the scheduled rate is 40 steps/min~80 steps/min.
Further, processor 1001 can call the air conditioner defrosting control program stored in memory 1005, also hold
The following operation of row:
When the defrosting operation executes completion, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the second operating parameter of the air conditioner is obtained in real time；
When the second operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, so that the air conditioner is to heat mould
Formula operation
The present invention also provides air conditioners, are the system structure diagram of one embodiment of the air condition of that present invention referring to Fig. 2, Fig. 2.
In the present embodiment, which includes the compressor 1 for passing sequentially through piping connection, four-way valve 2, indoor heat exchanger
5, throttle valve 4 and outdoor heat exchanger 3 further include electric expansion valve 6.
One end of the electric expansion valve 6 is connected to the exhaust outlet of compressor 1, and the other end is connected to the gas returning port of compressor 1.
When air conditioner enters defrost pattern, control electric expansion valve 6 is opened according to scheduled rate；In the electronic expansion
When valve 6 fully opens, if the operating parameter of presently described air conditioner meets preset condition, controls the four-way valve 2 and commutate；?
When the commutation of four-way valve 2 is completed, controls the electric expansion valve 6 and close, and execute defrosting operation.
In the present embodiment, when air conditioner is freezed or is heated, which is in close state, refrigerant
Refrigerant in circuit can not flow into the other end from one end of the electric expansion valve 6.For example, in air conditioner heat-production, compressor 1
Exhaust outlet is connect with the interface a of four-way valve 2, and the gas returning port of compressor 1 is connect with the interface c of four-way valve 2, indoor heat exchanger 5 with
The interface b connection of four-way valve 2, outdoor heat exchanger 3 are connect with the interface d of four-way valve 2；The refrigerant of 1 exhaust outlet of compressor passes through four
2 interface a of port valve flows to interface b, and flows to indoor heat exchanger 5 by piping, flows through the refrigerant and indoor ring of the indoor heat exchanger 5
Border carries out heat exchange, to realize the heating to indoor environment, flows to from the refrigerant of the outflow of indoor heat exchanger 5 via throttle valve 4
Outdoor heat exchanger 3, and pressure is flowed into via the interface d for flowing into four-way valve 2 after outdoor heat exchanger 3, and via the interface c of four-way valve 2
The gas returning port of contracting machine 1.
When air conditioner enters defrost pattern, control electric expansion valve 6 is opened, during electric expansion valve 6 is opened,
Major part in the refrigerant of 1 exhaust outlet of compressor flows to the interface a of four-way valve 2 by piping, and another part refrigerant passes through electronics
Expansion valve 6 flows to the interface c of four-way valve 2, when electric expansion valve 6 fully opens, flow to the refrigerant of the interface c of four-way valve 2 by
It is cumulative plus, and then can reduce the pressure difference between four-way valve 2 inner joint a and interface c, i.e. reduction by 2 inner joint a of four-way valve is to connecing
Pressure difference between the channel and interface c and the channel of interface d of mouth b.
The high pressure refrigerant of the exhaust outlet discharge of compressor 1 partially flows through former heating channel, i.e., via the interface of four-way valve 2
A, interface b flows to indoor heat exchanger 5, and another part flows to outdoor heat exchanger 3 via interface c, the interface d of four-way valve 2.
When electric expansion valve 6 fully opens, the high pressure of outdoor heat exchanger 3 is flowed to via the interface c of four-way valve 2, interface d
Refrigerant reaches maximum, and the pressure difference between interface a and interface c reduces speed and increases, can quickly make interface a and interface c it
Between pressure reach balance.At this point, the operating parameter of real-time monitoring air conditioner, presets if the operating parameter of the air conditioner meets
Condition then controls the four-way valve 2 and commutates；When the four-way valve 2 commutates completion, controls the electric expansion valve 6 and close, with
Execute defrosting operation.
Wherein, the operating parameter of air conditioner includes duration after electric expansion valve 6 fully opens, in four-way valve 2
The second pressure in the first pressure and low pressure refrigerant channel in high pressure refrigerant channel, the running frequency of compressor 1, outdoor are changed
The temperature of hot device 3 or the temperature of indoor heat exchanger 5.
If operating parameter is the duration after electric expansion valve 6 fully opens, when the duration reaches default
It is long, then determine that the operating parameter of air conditioner meets preset condition.
Wherein, which can be rationally arranged according to the opening rate of electric expansion valve 6.In electric expansion valve 6
Opening rate it is smaller when, in the electric expansion valve 6 time shorter after fully opening, the pressure meeting between interface a and interface c
Reach balance, settable lesser preset duration；When the opening rate of electric expansion valve 6 is larger, the electric expansion valve 6 is complete
After needing to wait longer time after opening, the pressure between interface a and interface c can be only achieved balance, need to be arranged biggish pre-
If duration.
Preferably, in one embodiment, when controlling the electric expansion valve 6 opening, the specific electric expansion valve 6 that controls is pressed
It is opened according to scheduled rate, which is 40 steps/min~80 steps/min.
If operating parameter is the first pressure and low pressure cold that operating parameter includes in four-way valve 2 in high pressure refrigerant channel
The second pressure in matchmaker channel when then the pressure difference between the first pressure and the second pressure is less than default pressure, determines air-conditioning
The operating parameter of device meets preset condition.Wherein, which can be rationally arranged, which can be interface a/
The pressure of interface b, second pressure can be the pressure of interface c/ interface d.
If operating parameter is the running frequency of compressor 1, when the running frequency reaches preset operating frequency, control
The four-way valve 2 commutates.
Since when electric expansion valve 6 is opened, the high pressure refrigerant of the exhaust outlet discharge of compressor 1 partially flows through former heating
Channel flows to indoor heat exchanger 5 via the interface a of four-way valve 2, interface b, another part via four-way valve 2 interface c,
Interface d flows to outdoor heat exchanger 3, flows to opposite refrigerant so that existing in coolant loop, and therefore, existing in the coolant loop should
The equalization point between opposite refrigerant is flowed to, and is continued with the time, the running frequency of compressor 1 becomes larger, until four
When pressure between the interface a and interface c of port valve 2 reaches balance, the running frequency of compressor 1 reaches maximum.At this point, can should
Running frequency is set as preset operating frequency, which can rationally be set before factory according to the operating condition of air conditioner
It sets.
If operating parameter is the temperature of the outdoor heat exchanger 3 of compressor 1, it is greater than in the temperature of the outdoor heat exchanger 3
When preset temperature, controls the four-way valve 2 and commutate, alternatively, operating parameter is the temperature of indoor heat exchanger 5, changed in the interior
When the temperature of hot device 5 is less than preset temperature value, controls the four-way valve 2 and commutate.
Since the high pressure refrigerant for when electric expansion valve 6 is opened, flowing to indoor heat exchanger 5 from interface b is reduced, from interface d
The high pressure refrigerant for flowing to outdoor heat exchanger 3 increases, and with the operation of air conditioner, the temperature of indoor heat exchanger 5 is gradually decreased, outdoor
The temperature of heat exchanger 3 gradually increases, can be indoor by until when the pressure between the interface a and interface c of four-way valve 2 reaches balance
The temperature of heat exchanger 5 is set as preset temperature, is preset temperature value by the temperature setting of indoor heat exchanger 5.
Wherein, after the commutation of four-way valve 2 and electric expansion valve 6 are closed, compressor 1 heats defrost, the exhaust outlet row of compressor 1
High pressure refrigerant out is followed by four-way valve 2- outdoor heat exchanger 3- throttle valve 4- indoor heat exchanger 5- four-way valve 2- compressor 1
Gas returning port carries out defrosting operation to outdoor heat exchanger 3 so that high pressure refrigerant first flows through outdoor heat exchanger 3.
Further, it in another embodiment, when the defrosting operation executes completion, controls the electric expansion valve 6 and beats
It opens；When the electric expansion valve 6 fully opens, if the second operating parameter of the air conditioner meets preset condition, control
The four-way valve 2 commutates；When the four-way valve 2 commutates completion, controls the electric expansion valve 6 and close, so that the air-conditioning
Device is run with heating mode.
Wherein, being entered between heating mode by defrost pattern, the control process of four-way valve 2 is similar with above-mentioned control process,
It is not repeating again.
It should be noted that the process of air conditioner control four-way valve 2, can also enter defrost using with there is refrigeration mode
When mode, the control of 2 commutation process of four-way valve, specific control process is similar with the above process, is not repeating again.
The air conditioner that the present embodiment proposes, by the way that electric expansion valve is arranged between the exhaust outlet and gas returning port of compressor 1
6, electric expansion valve 6 is opened when entering defrost pattern, when the operating parameter of air conditioner meets preset condition, in four-way valve 2
Reach pressure equilibrium between high pressure refrigerant and low pressure refrigerant, control four-way valve 2 commutates, and controls the closing of electric expansion valve 6, to hold
Row defrosting operation can reduce the pressure difference between 2 mesohigh refrigerant of four-way valve and low pressure refrigerant, in high pressure refrigerant and low pressure cold
Control four-way valve 2 commutates when reaching pressure equilibrium between matchmaker, and four-way valve 2 is avoided to cause high-low pressure moment impact when commutating, and reduces
Outdoor unit noise when four-way valve 2 commutates promotes user experience.
The present invention also provides a kind of air conditioner defrosting control methods, are the air condition of that present invention defrosting control referring to Fig. 3, Fig. 3
The flow diagram of method first embodiment.
The air conditioner of the present embodiment is the air conditioner in the various embodiments described above, which includes:
Step S10 controls the electric expansion valve and opens when the air conditioner enters defrost pattern；
In the present embodiment, when air conditioner is freezed or is heated, which is in close state, refrigerant
Refrigerant in circuit can not flow into the other end from one end of the electric expansion valve 6.For example, in air conditioner heat-production, compressor 1
Exhaust outlet is connect with the interface a of four-way valve 2, and the gas returning port of compressor 1 is connect with the interface c of four-way valve 2, indoor heat exchanger 5 with
The interface b connection of four-way valve 2, outdoor heat exchanger 3 are connect with the interface d of four-way valve 2；The refrigerant of 1 exhaust outlet of compressor passes through four
2 interface a of port valve flows to interface b, and flows to indoor heat exchanger 5 by piping, flows through the refrigerant and indoor ring of the indoor heat exchanger 5
Border carries out heat exchange, to realize the heating to indoor environment, flows to from the refrigerant of the outflow of indoor heat exchanger 5 via throttle valve 4
Outdoor heat exchanger 3, and pressure is flowed into via the interface d for flowing into four-way valve 2 after outdoor heat exchanger 3, and via the interface c of four-way valve 2
The gas returning port of contracting machine 1.
When air conditioner enters defrost pattern, during electric expansion valve 6 is opened, the refrigerant of 1 exhaust outlet of compressor
In major part the interface a of four-way valve 2 is flowed to by piping, another part refrigerant flows to four-way valve 2 by electric expansion valve 6
Interface c, when electric expansion valve 6 fully opens, the refrigerant for flowing to the interface c of four-way valve 2 is gradually increased, and then can reduce four
Pressure difference between port valve 2 inner joint a and interface c, i.e., reduction four-way valve 2 inner joint a to interface b channel, with interface c with connect
Pressure difference between the channel of mouth d.
The high pressure refrigerant of the exhaust outlet discharge of compressor 1 partially flows through former heating channel, i.e., via the interface of four-way valve 2
A, interface b flows to indoor heat exchanger 5, and another part flows to outdoor heat exchanger 3 via interface c, the interface d of four-way valve 2.
Step S20 obtains the operating parameter of the air conditioner when the electric expansion valve fully opens in real time；
In the present embodiment, it when electric expansion valve 6 fully opens, is flowed to via the interface c of four-way valve 2, interface d outdoor
The high pressure refrigerant of heat exchanger 3 reaches maximum, and the pressure difference between interface a and interface c reduces speed and increases, and can quickly to connect
Pressure between mouth a and interface c reaches balance, at this point, obtaining the operating parameter of the air conditioner in real time.
Wherein, the operating parameter of air conditioner includes: duration, the operating parameter after electric expansion valve 6 fully opens
The first pressure and the second pressure of interface d, the running frequency of compressor 1, the outdoor heat exchanger 3 of interface a including four-way valve 2
Temperature or indoor heat exchanger 5 temperature.
Step S30 controls the four-way valve commutation when the operating parameter of the air conditioner meets preset condition；
In the present embodiment, if the operating parameter of the air conditioner got meets preset condition, the interface a of four-way valve 2
Pressure between interface c reaches balance, the i.e. channel of four-way valve 2 inner joint a to interface b, the channel with interface c and interface d
Between pressure reach balance, commutate at this point, controlling the four-way valve 2, can be avoided when four-way valve 2 commutates and cause high-low pressure wink
Between impact, reduce four-way valve 2 commutate when outdoor unit noise.
Step S40 controls the electric expansion valve and closes, and execute defrosting operation when the four-way valve commutates completion.
In the present embodiment, four-way valve 2 commutate complete when, to make air conditioner smoothly execute defrosting operation, described in control
Electric expansion valve 6 is closed.Wherein, after the commutation of four-way valve 2 and electric expansion valve 6 are closed, compressor 1 heats defrost, compressor 1
The high pressure refrigerant of exhaust outlet discharge is followed by four-way valve 2- outdoor heat exchanger 3- throttle valve 4- indoor heat exchanger 5- four-way valve 2-
The gas returning port of compressor 1 carries out defrosting operation to outdoor heat exchanger 3 so that high pressure refrigerant first flows through outdoor heat exchanger 3.
Further, in one embodiment, step S10 includes: that control electric expansion valve is opened according to scheduled rate, this is pre-
If rate is 40 steps/min~80 steps/min.
When the opening rate of electric expansion valve 6 is smaller, in the electric expansion valve 6 time shorter after fully opening, connect
Pressure between mouth a and interface c can reach balance；When the opening rate of electric expansion valve 6 is larger, the electric expansion valve 6 is complete
After needing to wait longer time after full opening, the pressure between interface a and interface c can be only achieved balance.
It should be noted that the process of air conditioner control four-way valve 2, can also enter defrost using with there is refrigeration mode
When mode, the control of 2 commutation process of four-way valve, specific control process is similar with the above process, is not repeating again.
The air conditioner defrosting control method that the present embodiment proposes, by controlling when the air conditioner enters defrost pattern
The electric expansion valve is opened, and then when the electric expansion valve fully opens, obtains the operation ginseng of the air conditioner in real time
Number controls the four-way valve commutation, then in the four-way then when the operating parameter of the air conditioner meets preset condition
When valve commutation is completed, control the electric expansion valve and close, and execute defrosting operation, by high pressure refrigerant and low pressure refrigerant it
Between control four-way valve commutation when reaching pressure equilibrium, high-low pressure moment impact is caused when four-way valve being avoided to commutate, reduces four-way valve
Outdoor unit noise when commutation promotes user experience.
Based on first embodiment, the second embodiment of the air condition of that present invention defrosting control method is proposed, referring to Fig. 4, at this
In embodiment, operating parameter includes the duration after the electric expansion valve fully opens, and step S30 includes:
Step S31, determines whether the duration after the electric expansion valve fully opens reaches preset duration；
Step S32 controls the four-way valve commutation when the duration reaches preset duration.
Wherein, which can be rationally arranged according to the opening rate of electric expansion valve 6.In electric expansion valve 6
Opening rate it is smaller when, in the electric expansion valve 6 time shorter after fully opening, the pressure meeting between interface a and interface c
Reach balance, settable lesser preset duration；When the opening rate of electric expansion valve 6 is larger, the electric expansion valve 6 is complete
After needing to wait longer time after opening, the pressure between interface a and interface c can be only achieved balance, need to be arranged biggish pre-
If duration.
In the present embodiment, the duration after being fully opened by real-time accumulated electric expansion valve 6, and it is lasting at this
Duration reaches preset duration, determines that the operating parameter of air conditioner meets preset condition, between the interface a and interface c of four-way valve 2
Pressure reaches balance, i.e. pressure between the channel and interface c and the channel of interface d of four-way valve 2 inner joint a to interface b reaches
Balance, control four-way valve 2 commutate.
The air conditioner defrosting control method that the present embodiment proposes, after being fully opened by the determination electric expansion valve
Whether duration reaches preset duration, then when the duration reaches preset duration, controls the four-way valve commutation,
The high pressure refrigerant and low pressure refrigerant in duration accurate judgement four-way valve after capable of being fully opened according to electric expansion valve
Between whether reach pressure equilibrium, improve four-way valve commutation accuracy rate, high-low pressure moment is caused when four-way valve being avoided to commutate
Impact, and then reduce outdoor unit noise when four-way valve commutation.
Based on first embodiment, the 3rd embodiment of the air condition of that present invention defrosting control method is proposed, referring to Fig. 5, at this
In embodiment, operating parameter includes the running frequency of compressor, and step S30 includes:
Step S33, determines whether the running frequency of the compressor reaches preset operating frequency；
Step S34 controls the four-way valve commutation when the running frequency reaches preset operating frequency.
Since when electric expansion valve 6 is opened, the high pressure refrigerant of the exhaust outlet discharge of compressor 1 partially flows through former heating
Channel flows to indoor heat exchanger 5 via the interface a of four-way valve 2, interface b, another part via four-way valve 2 interface c,
Interface d flows to outdoor heat exchanger 3, flows to opposite refrigerant so that existing in coolant loop, and therefore, existing in the coolant loop should
The equalization point between opposite refrigerant is flowed to, and is continued with the time, the running frequency of compressor 1 becomes larger, until four
When pressure between the interface a and interface c of port valve 2 reaches balance, the running frequency of compressor 1 reaches maximum.
Therefore, when can be by pressure equilibrium be reached between the high pressure refrigerant and low pressure refrigerant in four-way valve 2, the fortune of compressor 1
Line frequency is set as preset operating frequency, which can obtain before factory according to progress many experiments.
In the present embodiment, by the running frequency of real-time monitoring compressor 1, and reach default operation frequency in running frequency
When rate, determine that the operating parameter of air conditioner meets preset condition, the pressure between the interface a and interface c of four-way valve 2 reaches flat
Weighing apparatus, i.e., the pressure between the channel and interface c and the channel of interface d of four-way valve 2 inner joint a to interface b reaches balance, at this point,
The four-way valve 2 is controlled to commutate.
Whether the air conditioner defrosting control method that the present embodiment proposes, reached by the running frequency of the determination compressor
Preset operating frequency controls the four-way valve commutation then when the running frequency reaches preset operating frequency, being capable of basis
Whether reach pressure equilibrium between high pressure refrigerant and low pressure refrigerant in the running frequency accurate judgement four-way valve of compressor, improves
The accuracy rate of four-way valve commutation causes high-low pressure moment impact when four-way valve being avoided to commutate, and then when reducing four-way valve commutation
Outdoor unit noise.
Based on first embodiment, the fourth embodiment of the air condition of that present invention defrosting control method is proposed, referring to Fig. 6, at this
In embodiment, operating parameter includes the temperature of outdoor unit heat exchanger, and step S30 includes:
Step S35, determines whether the temperature of the outdoor unit heat exchanger is greater than preset temperature；
Step S36 controls the four-way valve commutation when the temperature of the outdoor unit heat exchanger is greater than preset temperature.
Since the high pressure refrigerant for when electric expansion valve 6 is opened, flowing to outdoor heat exchanger 3 from interface d increases, with air-conditioning
The temperature of the operation of device, outdoor heat exchanger 3 gradually increases, and the pressure between the interface a and interface c of four-way valve 2 can be reached flat
When reaching pressure equilibrium between weighing apparatus, i.e., high pressure refrigerant and low pressure refrigerant in four-way valve 2, the temperature work of outdoor heat exchanger 3 is arranged
For preset temperature.
In the present embodiment, after electric expansion valve 6 fully opens, the temperature of real-time monitoring outdoor heat exchanger 3, in outdoor
When the temperature of heat exchanger 3 is greater than preset temperature, determine that the operating parameter of air conditioner meets preset condition, the high pressure in four-way valve 2
Reach pressure equilibrium between refrigerant and low pressure refrigerant, at this point, control four-way valve 2 commutates.
In other embodiments, which includes the temperature of indoor heat exchanger 5, and step S30 comprises determining that the room
Whether the temperature of interior heat exchanger 5 is less than preset temperature value；When the temperature of the indoor heat exchanger 5 is less than preset temperature value, control
The four-way valve 2 is made to commutate.
Since the high pressure refrigerant for when electric expansion valve 6 is opened, flowing to indoor heat exchanger 5 from interface b is reduced, with air-conditioning
The temperature of the operation of device, indoor heat exchanger 5 gradually decreases, and the pressure between the interface a and interface c of four-way valve 2 can be reached flat
When reaching pressure equilibrium between weighing apparatus, i.e., high pressure refrigerant and low pressure refrigerant in four-way valve 2, the temperature setting of indoor heat exchanger 5 is
Preset temperature value.
Whether the air conditioner defrosting control method that the present embodiment proposes, the temperature by the determination outdoor unit heat exchanger are big
In preset temperature, then when the temperature of the outdoor unit heat exchanger is greater than preset temperature, the four-way valve commutation is controlled, it can
It is flat according to pressure whether is reached between the high pressure refrigerant and low pressure refrigerant in the temperature accurate judgement four-way valve of outdoor unit heat exchanger
Weighing apparatus improves the accuracy rate of four-way valve commutation, high-low pressure moment impact is caused when four-way valve being avoided to commutate, and then reduce four-way valve
Outdoor unit noise when commutation.
Based on first embodiment, the 5th embodiment of the air condition of that present invention defrosting control method is proposed, referring to Fig. 7, at this
In embodiment, operating parameter includes in the first pressure and low pressure refrigerant channel in the four-way valve in high pressure refrigerant channel
The second pressure, step S30 includes:
Step S37, determines whether the pressure difference between first pressure and second pressure is less than default pressure；
Step S38 controls the four-way valve commutation when the pressure difference is less than default pressure.
In the present embodiment, which can be rationally arranged, which can be the pressure of interface a/ interface b
By force, second pressure can be interface c/ interface d pressure, can respectively interface a, interface b, interface c, interface d setting pressure
Strong sensor.
When electric expansion valve 6 fully opens, obtain the first pressure and the second pressure in real time, and the first pressure with it is described
When pressure difference between second pressure is less than default pressure, determine that the operating parameter of air conditioner meets preset condition, in four-way valve 2
High pressure refrigerant and low pressure refrigerant between reach pressure equilibrium, commutate at this point, controlling the four-way valve 2.
The air conditioner defrosting control method that the present embodiment proposes, by determination first pressure and second pressure it
Between pressure difference whether be less than default pressure, then when the pressure difference is less than default pressure, control the four-way valve commutation,
Whether can reach pressure according between the high pressure refrigerant and low pressure refrigerant in the first pressure and the second pressure accurate judgement four-way valve
Strong balance, improves the accuracy rate of four-way valve commutation, high-low pressure moment impact is caused when four-way valve being avoided to commutate, and then reduce by four
Outdoor unit noise when port valve commutates.
Based on the it is above-mentioned apply example, the sixth embodiment of the air condition of that present invention defrosting control method is proposed, referring to Fig. 8, at this
In embodiment, after the step s 40, the air conditioner defrosting control method further include:
Step S50 controls the electric expansion valve and opens when the defrosting operation executes completion；
Step S60 obtains the operating parameter of the air conditioner when the electric expansion valve fully opens in real time；
Step S70 controls the four-way valve commutation when the operating parameter of the air conditioner meets preset condition；
Step S80 controls the electric expansion valve and closes, so that the air conditioner when the four-way valve commutates completion
It is run with heating mode.
In the present embodiment, when air conditioner enters heating mode by defrost pattern, in four-way valve 2 high pressure refrigerant channel with
Biggish pressure difference is equally existed between low pressure refrigerant channel, four-way valve 2 causes high-low pressure moment impact, therefore, adopt when commutating
Commutated with the control mode control four-way valve 2 similar with when carrying out defrost, reduce by 2 mesohigh refrigerant of four-way valve and low pressure refrigerant it
Between pressure difference, control four-way valve 2 commutates when reaching pressure equilibrium between high pressure refrigerant and low pressure refrigerant, avoids four-way valve 2
High-low pressure moment impact is caused when commutation, reduces outdoor unit noise when four-way valve 2 commutates.
It should be noted that the control process of four-way valve 2 is similar with the control process in above-mentioned each embodiment, again not
It is repeating.
The air conditioner defrosting control method that the present embodiment proposes, by controlling institute when the defrosting operation executes completion
Electric expansion valve opening is stated, then when the electric expansion valve fully opens, obtains the operating parameter of the air conditioner in real time,
Then when the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled, then in the four-way valve
When commutation is completed, controls the electric expansion valve and close, so that the air conditioner is run with heating mode, in air conditioner by defrost
When mode enters heating mode operation, the pressure difference between four-way valve mesohigh refrigerant and low pressure refrigerant can reduce, in high pressure
The commutation of control four-way valve, causes high-low pressure moment when reaching pressure equilibrium between refrigerant and low pressure refrigerant when four-way valve being avoided to commutate
Impact reduces outdoor unit noise when four-way valve commutation, further promotes user experience.
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 defrosting control program, following operation is realized when the air conditioner defrosting control program is executed by processor:
When the air conditioner enters defrost pattern, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the operating parameter of the air conditioner is obtained in real time；
When the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, and execute defrosting operation.
Further, following operation is also realized when the air conditioner defrosting control program is executed by processor:
Determine whether the duration after the electric expansion valve fully opens reaches preset duration；
When the duration reaches preset duration, the four-way valve commutation is controlled.
Further, following operation is also realized when the air conditioner defrosting control program is executed by processor:
Determine whether the running frequency of the compressor reaches preset operating frequency；
When the running frequency reaches preset operating frequency, the four-way valve commutation is controlled.
Further, following operation is also realized when the air conditioner defrosting control program is executed by processor:
Determine whether the temperature of the outdoor unit heat exchanger is greater than preset temperature；
When the temperature of the outdoor unit heat exchanger is greater than preset temperature, the four-way valve commutation is controlled.
Further, following operation is also realized when the air conditioner defrosting control program is executed by processor:
Determine whether the pressure difference between first pressure and second pressure is less than default pressure；
When the pressure difference is less than default pressure, the four-way valve commutation is controlled.
Further, following operation is also realized when the air conditioner defrosting control program is executed by processor:
Control electric expansion valve is opened according to scheduled rate, wherein the scheduled rate is 40 steps/min~80 steps/min.
Further, following operation is also realized when the air conditioner defrosting control program is executed by processor:
When the defrosting operation executes completion, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the operating parameter of the air conditioner is obtained in real time；
When the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, so that the air conditioner is to heat mould
Formula operation.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of air conditioner, the air conditioner includes the compressor for passing sequentially through piping connection, four-way valve, indoor heat exchanger, section
Flow valve and outdoor heat exchanger, which is characterized in that the air conditioner further includes electric expansion valve, one end of the electric expansion valve with
The exhaust outlet of the compressor is connected to, and the other end is connected to the gas returning port of the compressor；
When the air conditioner enters defrost pattern, controls the electric expansion valve and open；It is beaten completely in the electric expansion valve
When opening, if the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；It commutates in the four-way valve
When completion, controls the electric expansion valve and close, to execute defrosting operation.
2. air conditioner as described in claim 1, which is characterized in that when the defrosting operation executes completion, control the electricity
Sub- expansion valve is opened；When the electric expansion valve fully opens, if the second operating parameter of the air conditioner meets default item
Part then controls the four-way valve commutation；When the four-way valve commutates completion, controls the electric expansion valve and close, so that institute
Air conditioner is stated to run with heating mode.
3. a kind of air conditioner defrosting control method, which is characterized in that the air conditioner is air conditioner described in claim 1, institute
State air conditioner defrosting control method the following steps are included:
When the air conditioner enters defrost pattern, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the operating parameter of the air conditioner is obtained in real time；
When the operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, and execute defrosting operation.
4. air conditioner defrosting control method as claimed in claim 3, which is characterized in that the operating parameter includes the electronics
Expansion valve fully open after duration, when the operating parameter in the air conditioner meets preset condition, control institute
Stating the step of four-way valve commutates includes:
Determine whether the duration after the electric expansion valve fully opens reaches preset duration；
When the duration reaches preset duration, the four-way valve commutation is controlled.
5. air conditioner defrosting control method as claimed in claim 3, which is characterized in that the operating parameter includes compressor
Running frequency；When the operating parameter in the air conditioner meets preset condition, the step of four-way valve commutates packet is controlled
It includes:
Determine whether the running frequency of the compressor reaches preset operating frequency；
When the running frequency reaches preset operating frequency, the four-way valve commutation is controlled.
6. air conditioner defrosting control method as claimed in claim 3, which is characterized in that the operating parameter includes that outdoor unit changes
The temperature of hot device；When the operating parameter in the air conditioner meets preset condition, the step of four-way valve commutates is controlled
Include:
Determine whether the temperature of the outdoor unit heat exchanger is greater than preset temperature；
When the temperature of the outdoor unit heat exchanger is greater than preset temperature, the four-way valve commutation is controlled.
7. air conditioner defrosting control method as claimed in claim 3, which is characterized in that the operating parameter includes the four-way
The second pressure in the first pressure and low pressure refrigerant channel in valve in high pressure refrigerant channel；It is described in the air conditioner
When operating parameter meets preset condition, controlling the step of four-way valve commutates includes:
Determine whether the pressure difference between first pressure and second pressure is less than default pressure；
When the pressure difference is less than default pressure, the four-way valve commutation is controlled.
8. air conditioner defrosting control method as claimed in claim 3, which is characterized in that the control electric expansion valve is beaten
The step of opening include:
Control electric expansion valve is opened according to scheduled rate, wherein the scheduled rate is 40 steps/min~80 steps/min.
9. the air conditioner defrosting control method as described in any one of claim 3 to 8, which is characterized in that the air conditioner
White control method further include:
When the defrosting operation executes completion, controls the electric expansion valve and open；
When the electric expansion valve fully opens, the second operating parameter of the air conditioner is obtained in real time；
When the second operating parameter of the air conditioner meets preset condition, the four-way valve commutation is controlled；
When the four-way valve commutates completion, controls the electric expansion valve and close, so that the air conditioner is transported with heating mode
Row.
10. a kind of air conditioner, which is characterized in that the air conditioner includes: memory, processor and is stored on the memory
And the air conditioner defrosting control program that can be run on the processor, the air conditioner defrosting control program is by the processor
The step of air conditioner defrosting control method as described in any one of claim 3 to 9 is realized when execution.
11. a kind of computer readable storage medium, which is characterized in that be stored with air conditioner on the computer readable storage medium
Defrosting control program is realized when the air conditioner defrosting control program is executed by processor such as any one of claim 3 to 9 institute
The step of air conditioner defrosting control method stated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810833164.0A CN109059173A (en) | 2018-07-25 | 2018-07-25 | Air conditioner and its defrosting control method, computer readable storage medium |
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| CN201810833164.0A CN109059173A (en) | 2018-07-25 | 2018-07-25 | Air conditioner and its defrosting control method, computer readable storage medium |
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| CN110094908A (en) * | 2019-05-23 | 2019-08-06 | 浙江正理生能科技有限公司 | Air source heat pump exits the control method of defrost |
| CN111156589A (en) * | 2020-01-02 | 2020-05-15 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, air conditioning system, storage medium and processor |
| CN111219803A (en) * | 2020-01-09 | 2020-06-02 | 珠海格力电器股份有限公司 | Multi-split air conditioner and defrosting method thereof |
| CN111412700A (en) * | 2020-02-28 | 2020-07-14 | 青岛海尔空调电子有限公司 | Defrosting control method for air conditioning unit |
| CN112178887A (en) * | 2020-09-27 | 2021-01-05 | 广东芬尼克兹节能设备有限公司 | Four-way valve switching control method and device |
| CN114234368A (en) * | 2021-12-27 | 2022-03-25 | 珠海格力电器股份有限公司 | Control method, control device, and nonvolatile storage medium |
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| CN111219803A (en) * | 2020-01-09 | 2020-06-02 | 珠海格力电器股份有限公司 | Multi-split air conditioner and defrosting method thereof |
| CN111412700A (en) * | 2020-02-28 | 2020-07-14 | 青岛海尔空调电子有限公司 | Defrosting control method for air conditioning unit |
| CN112178887A (en) * | 2020-09-27 | 2021-01-05 | 广东芬尼克兹节能设备有限公司 | Four-way valve switching control method and device |
| CN114234368A (en) * | 2021-12-27 | 2022-03-25 | 珠海格力电器股份有限公司 | Control method, control device, and nonvolatile storage medium |
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