CN105972850B - Air-conditioner control method and device - Google Patents
Air-conditioner control method and device Download PDFInfo
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- CN105972850B CN105972850B CN201610297539.7A CN201610297539A CN105972850B CN 105972850 B CN105972850 B CN 105972850B CN 201610297539 A CN201610297539 A CN 201610297539A CN 105972850 B CN105972850 B CN 105972850B
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- air conditioner
- way valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0292—Control issues related to reversing valves
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of air-conditioner control methods, including：Whether detecting air conditioner receives shutdown command or pattern switching instruction；If the air conditioner receives shutdown command or pattern switching instruction, the compressor for then controlling the air conditioner is stopped, and commutation action is executed after the first preset time of slider delay inside the four-way valve of the control air conditioner, to weaken the pressure difference at both ends when the four-way valve commutates.The invention also discloses a kind of air conditioner controlling devices.The present invention executes the time of commutation action by postponing four-way valve, the pressure difference at both ends when weakening four-way valve commutation, the cost of noise reduction when reducing the noise generated when four-way valve commutation, while reducing four-way valve commutation.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of air-conditioner control methods and device.
Background technology
Currently, existing air conditioner, which is all made of four-way valve commutation, carries out pattern switching, when compressor operating
When executing four-way valve commutation action, the pressure difference at sliding block both ends is bigger inside four-way valve, the sound of refrigerant impact when sliding block commutates
Also bigger.It commutates suddenly if run at high speed in compressor, four-way valve body noise can make outdoor unit run noise liter
Height, since the noise is more unexpected and of short duration, if the environment of outdoor unit installation is quieter, room soundproof effect is poor, can be big
The big satisfaction for reducing user and using air-conditioning.
Invention content
The main purpose of the present invention is to provide a kind of air-conditioner control method and devices, it is intended to when reducing four-way valve commutation
The noise of generation.
To achieve the above object, the present invention provides a kind of air-conditioner control methods, including：
Whether detecting air conditioner receives shutdown command or pattern switching instruction；
If the air conditioner receives shutdown command or pattern switching instruction, the compressor for controlling the air conditioner stop
It only works, and commutation action is executed after the first preset time of slider delay inside the four-way valve of the control air conditioner, to cut
The pressure difference at both ends when the weak four-way valve commutation.
Optionally, when the compressor of the air conditioner is frequency-changeable compressor, whether the detecting air conditioner receives pass
Machine instructs or pattern switching instruction includes later：
If the air conditioner receives shutdown command or pattern switching instruction, the frequency conversion compression of the air conditioner is obtained
The running frequency of machine, and control the frequency-changeable compressor and be stopped；
When the running frequency of the frequency-changeable compressor is less than preset operating frequency value, the four-way valve of the air conditioner is controlled
Commutation action is executed after the second preset time of internal slider delay, second preset time is less than the first preset time.
Optionally, first preset time is 5 seconds~30 seconds.
Optionally, if the air conditioner receives shutdown command or pattern switching instruction, the air conditioner is controlled
Compressor is stopped, and executes commutation after the first preset time of slider delay inside the four-way valve of the control air conditioner and move
Work includes：
If the air conditioner receives shutdown command or pattern switching instruction, the compressor for controlling the air conditioner stop
It only works, triggering timing device starts timing；
After the timing time of the timer reaches the first preset time, control sliding inside the four-way valve of the air conditioner
Block executes commutation action.
In addition, to achieve the above object, the present invention also provides a kind of air conditioner controlling devices, including：
Detecting module, for detecting whether air conditioner receives shutdown command or pattern switching instruction；
First control module controls institute if receiving shutdown command or pattern switching instruction for the air conditioner
The compressor for stating air conditioner is stopped, and inside the four-way valve of the control air conditioner after the first preset time of slider delay
Commutation action is executed, to weaken the pressure difference at both ends when the four-way valve commutates.
Optionally, when the compressor of the air conditioner is frequency-changeable compressor, the air conditioner controlling device further includes：
Second control module obtains institute if receiving shutdown command or pattern switching instruction for the air conditioner
The running frequency of the frequency-changeable compressor of air conditioner is stated, and controls the frequency-changeable compressor and is stopped；When the frequency-changeable compressor
Running frequency when being less than preset operating frequency value, control the second preset time of slider delay inside the four-way valve of the air conditioner
After execute commutation action, second preset time is less than the first preset time.
Optionally, first preset time is 5 seconds~30 seconds.
Optionally, first control module includes：
Timing unit controls the sky if receiving shutdown command or pattern switching instruction for the air conditioner
The compressor of device is adjusted to be stopped, triggering timing device starts timing；
Control unit, for after the timing time of the timer reaches the first preset time, controlling the air conditioner
Four-way valve inside sliding block execute commutation action.
For air conditioner of the embodiment of the present invention after receiving shutdown command or pattern switching instruction, control compressor stops work
Make, and control four-way valve postpones the first preset time and executes commutation action.So that executing commutation action by postponing four-way valve
Time, the pressure difference at both ends when weakening four-way valve commutation, the noise that generates when reducing four-way valve commutation, while reducing four
The cost of noise reduction when port valve commutates.
Description of the drawings
Fig. 1 is the flow diagram of one embodiment of air-conditioner control method of the present invention；
Fig. 2 is the high-level schematic functional block diagram of one embodiment of air conditioner controlling device 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.
As shown in Figure 1, showing a kind of air-conditioner control method first embodiment of the present invention.The air conditioner control of the embodiment
Method processed includes：
Step S10, whether detecting air conditioner receives shutdown command or pattern switching instruction；
If step S20, the described air conditioner receives shutdown command or pattern switching instruction, the air conditioner is controlled
Compressor is stopped, and executes commutation after the first preset time of slider delay inside the four-way valve of the control air conditioner and move
Make, to weaken the pressure difference at both ends when the four-way valve commutates.
In the present embodiment, which may include indoor unit and outdoor unit, and indoor heat exchanger group can be equipped in the indoor unit
Part and electric expansion valve；Compressor, four-way valve, outdoor heat exchanger, low-pressure liquid storing tank, solenoid valve, capillary can be equipped in outdoor unit
Pipe, outdoor unit throttle part and outdoor unit throttle part etc..Wherein, compressor, four-way valve, indoor heat exchanger component, room
By piping connection between external heat exchanger, outdoor throttle part, refrigerating/heating circulation loop is formed.
In the present embodiment, pattern switching be two two-modes such as heating mode, refrigeration mode, dehumidification mode, air supply pattern it
Between switching.When air conditioner receives shutdown command or pattern switching instructs, the compressor shutdown of air-conditioner outdoor unit.Together
When, the four-way valve of air-conditioner outdoor unit receives the instruction of commutation action, at this time the first preset time of slider delay inside four-way valve
Afterwards, it is moved from current moving direction toward opposite direction, completes the commutation action of four-way valve.I.e. four-way valve receives commutation action
After instruction, sliding block keeps current action state inside four-way valve, and four-way valve powers off after the first preset time, and it is dynamic to execute commutation
Make.Due to the difference of air conditioning condition, which may be configured as 5 seconds~30 seconds, also can be as the case may be and flexible
Setting.So that not influencing user under normal use, the delay execution four-way valve commutation action in compressor operating,
The pressure difference at sliding block both ends inside four-way valve is reduced, the sound of refrigerant impact also reduces when sliding block commutates.When air conditioner does not connect
When receiving shutdown command or pattern switching instruction, compressor and four-way valve maintain current working condition.
It is illustrated below, it is assumed that when air conditioner normal operation, outdoor unit level of noise is 55.7 decibels, and air conditioner is disconnected
Level of noise increased 10.1 decibels, became 65.8 decibels due to the commutation of four-way valve electric moment, and noise is very big, influences user
Use the comfort of air conditioner.And the present embodiment four-way valve when air conditioner powers off or carries out pattern switching does not commutate immediately, prolongs
Sliding block is just moved from current moving direction toward opposite direction inside four-way valve after slow 10 seconds, and the commutation for completing four-way valve is dynamic
Make, level of noise only has 1.1 decibels of raising, becomes 11.2 decibels so that the pressure difference at four-way valve both ends reduces, and weakens four-way valve
Cause the raising of level of noise when commutation.
For air conditioner of the embodiment of the present invention after receiving shutdown command or pattern switching instruction, control compressor stops work
Make, and control four-way valve postpones the first preset time and executes commutation action.So that executing commutation action by postponing four-way valve
Time, the pressure difference at both ends when weakening four-way valve commutation, the noise that generates when reducing four-way valve commutation improves user's
Satisfaction.Meanwhile the pressure difference at both ends is changed to execute commutation action with respect to detection four-way valve, when reducing four-way valve commutation
The cost of noise reduction.
Further, it is based on above-mentioned air-conditioner control method first embodiment, it is proposed that air-conditioner control method of the present invention
Second embodiment includes after above-mentioned steps S10 in the embodiment when the compressor of the air conditioner is frequency-changeable compressor：
If the air conditioner receives shutdown command or pattern switching instruction, the frequency conversion compression of the air conditioner is obtained
The running frequency of machine, and control the frequency-changeable compressor and be stopped；
When the running frequency of the frequency-changeable compressor is less than preset operating frequency value, the four-way valve of the air conditioner is controlled
Commutation action is executed after postponing the second preset time, second preset time is less than the first preset time.
In the present embodiment, when the compressor of air conditioner be frequency-changeable compressor when, air conditioner receive shutdown command or
When pattern switching instructs, the four-way valve of air-conditioner outdoor unit receives the instruction of commutation action, while detecting frequency-changeable compressor
Running frequency, frequency-changeable compressor start to be stopped.It is pre- to judge whether the running frequency of frequency-changeable compressor is less than for air conditioner at this time
If running frequency value, which may be configured as 30Hz, also can as the case may be and being flexibly arranged.If frequency conversion
The running frequency of compressor is less than preset operating frequency value, then four-way valve is according to the instruction of the commutation action received, four-way valve
It after the second preset time of internal slider delay, is moved from current moving direction toward opposite direction, the commutation for completing four-way valve is dynamic
Make.Second preset time is less than the first above-mentioned preset time, and after having shortened frequency-changeable compressor shutdown, four-way valve delay is changed
To the time of action.If the running frequency of frequency-changeable compressor is greater than or equal to preset operating frequency value, four-way valve is according to reception
The instruction of the commutation action arrived, inside four-way valve after the first preset time of slider delay, from current moving direction toward opposite side
To movement, the commutation action of four-way valve is completed, first preset time is consistent with the first preset time mentioned above.
The present embodiment receives shutdown command or pattern when the compressor of air conditioner is frequency-changeable compressor in air conditioner
After switching command, four-way valve delay is controlled according to the running frequency of frequency-changeable compressor and executes the time of commutation action, and works as frequency conversion
When the running frequency of compressor is less than preset operating frequency value, shorten delay time.It is dynamic to improve four-way valve delay execution commutation
The reliability of work reduces the noise generated when four-way valve commutation.
Further, it is based on above-mentioned air-conditioner control method first embodiment, it is proposed that air-conditioner control method of the present invention
3rd embodiment, above-mentioned steps S20 includes in the embodiment：If the air conditioner receives shutdown command or pattern switching refers to
It enables, then the compressor for controlling the air conditioner is stopped, and triggering timing device starts timing；
After the timing time of the timer reaches the first preset time, control sliding inside the four-way valve of the air conditioner
Block executes commutation action.
In the present embodiment, air conditioner may include timer or preset timing module, be held for acquiring four-way valve delay
The time of row commutation action.The mode for obtaining delay time may include：Mode one, air conditioner in the process of running, work as reception
To after shutdown command or pattern switching instruction, triggering timing device starts timing, and is fed back to air conditioner after reaching preset time
Delay time.Mode two, by there is the terminal of connection relation to carry out timing with air conditioner, the type of the terminal can be according to practical need
It is configured.For example, when air conditioner receives shutdown command or pattern switching instructs, start to count by communication device transmission
Shi Zhiling is to terminal, after terminal receives the beginning riming instructions that air conditioner sends over, carries out timing.Reach in delay time
Stop timing when preset time, and returns to delay time to air conditioner, so that air conditioner executes phase according to the delay time of return
The operation answered.The mode of above-mentioned acquisition delay time is only enumerating for specific implementation mode, those skilled in the art propose its
It obtains the mode of delay time, is within the scope of the invention.
Specifically, when air conditioner receives shutdown command or pattern switching instructs, the compressor of air-conditioner outdoor unit
It shuts down.Meanwhile triggering timing device starts timing, is fed back after the timing time of timer reaches the first preset time, it is empty
Adjust the four-way valve of device outdoor unit to receive the instruction of commutation action, at this time inside four-way valve sliding block from current moving direction toward on the contrary
Direction is moved, and the commutation action of four-way valve is completed.First preset time is consistent with preset time mentioned above.Work as air conditioner
When being not received by shutdown command or pattern switching instruction, compressor and four-way valve maintain current working condition.
The present embodiment air conditioner is not influencing user's normal use after receiving shutdown command or pattern switching instruction
In the case of, the delay execution four-way valve commutation action in compressor operating reduces the pressure difference at sliding block both ends inside four-way valve, drop
The noise generated when low four-way valve commutation, improves the satisfaction of user.
Accordingly, as shown in Fig. 2, proposing a kind of air conditioner controlling device first embodiment of the present invention.The sky of the embodiment
Adjust device control device include：
Detecting module 100, for detecting whether air conditioner receives shutdown command or pattern switching instruction；
First control module 200 controls if receiving shutdown command or pattern switching instruction for the air conditioner
The compressor of the air conditioner is stopped, and the first preset time of slider delay inside the four-way valve of the control air conditioner
After execute commutation action, to weaken the pressure difference at both ends when the four-way valve commutates.
In the present embodiment, which may include indoor unit and outdoor unit, and indoor heat exchanger group can be equipped in the indoor unit
Part and electric expansion valve；Compressor, four-way valve, outdoor heat exchanger, low-pressure liquid storing tank, solenoid valve, capillary can be equipped in outdoor unit
Pipe, outdoor unit throttle part and outdoor unit throttle part etc..Wherein, compressor, four-way valve, indoor heat exchanger component, room
By piping connection between external heat exchanger, outdoor throttle part, refrigerating/heating circulation loop is formed.
In the present embodiment, pattern switching be two two-modes such as heating mode, refrigeration mode, dehumidification mode, air supply pattern it
Between switching.Detect whether air conditioner receives shutdown command or pattern switching is instructed by detecting module 100 first, works as air-conditioning
When device receives shutdown command or pattern switching instruction, the compressor of the first control module 200 control air-conditioner outdoor unit stops
Machine.Meanwhile the four-way valve of air-conditioner outdoor unit receives the instruction of commutation action, the first control module 200 controls four-way valve at this time
It after the first preset time of internal slider delay, is moved from current moving direction toward opposite direction, the commutation for completing four-way valve is dynamic
Make.After i.e. four-way valve receives the instruction of commutation action, sliding block keeps current action state inside four-way valve, by first it is default when
Between after four-way valve power-off, execute commutation action.Due to the difference of air conditioning condition, which may be configured as 5 seconds~30
Second, it can also be arranged as the case may be and flexibly.So that not influencing user under normal use, in compressor operating
Shi Yanchi executes four-way valve commutation action, reduces the pressure difference at sliding block both ends inside four-way valve, refrigerant impact when sliding block commutates
Sound also reduces.When air conditioner is not received by shutdown command or pattern switching instructs, compressor and four-way valve maintenance are worked as
Preceding working condition.
It is illustrated below, it is assumed that when air conditioner normal operation, outdoor unit level of noise is 55.7 decibels, and air conditioner is disconnected
Level of noise increased 10.1 decibels, became 65.8 decibels due to the commutation of four-way valve electric moment, and noise is very big, influences user
Use the comfort of air conditioner.And the present embodiment four-way valve when air conditioner powers off or carries out pattern switching does not commutate immediately, prolongs
Sliding block is just moved from current moving direction toward opposite direction inside four-way valve after slow 10 seconds, and the commutation for completing four-way valve is dynamic
Make, level of noise only has 1.1 decibels of raising, becomes 11.2 decibels so that the pressure difference at four-way valve both ends reduces, and weakens four-way valve
Cause the raising of level of noise when commutation.
For air conditioner of the embodiment of the present invention after receiving shutdown command or pattern switching instruction, control compressor stops work
Make, and control four-way valve postpones the first preset time and executes commutation action.So that executing commutation action by postponing four-way valve
Time, the pressure difference at both ends when weakening four-way valve commutation, the noise that generates when reducing four-way valve commutation improves user's
Satisfaction.Meanwhile the pressure difference at both ends is changed to execute commutation action with respect to detection four-way valve, when reducing four-way valve commutation
The cost of noise reduction.
Further, it is based on above-mentioned air conditioner controlling device first embodiment, it is proposed that air conditioner controlling device of the present invention
Second embodiment, in the embodiment when the compressor of the air conditioner is frequency-changeable compressor, above-mentioned air conditioner controlling device is also
Including：
Second control module obtains institute if receiving shutdown command or pattern switching instruction for the air conditioner
The running frequency of the frequency-changeable compressor of air conditioner is stated, and controls the frequency-changeable compressor and is stopped；When the frequency-changeable compressor
Running frequency when being less than preset operating frequency value, control the second preset time of slider delay inside the four-way valve of the air conditioner
After execute commutation action, second preset time is less than the first preset time.
In the present embodiment, when the compressor of air conditioner be frequency-changeable compressor when, air conditioner receive shutdown command or
When pattern switching instructs, the four-way valve of air-conditioner outdoor unit receives the instruction of commutation action, while the second control module detects
The running frequency of frequency-changeable compressor, frequency-changeable compressor start to be stopped.The second control module judges frequency-changeable compressor at this time
Whether running frequency is less than preset operating frequency value, which may be configured as 30Hz, also can be according to specific feelings
Condition and be flexibly arranged.If the running frequency of frequency-changeable compressor is less than preset operating frequency value, the second control module controls four-way
Valve is according to the instruction of the commutation action received, inside four-way valve after the second preset time of slider delay, by current moving direction
It is moved toward opposite direction, completes the commutation action of four-way valve.Second preset time is less than the first above-mentioned preset time, subtracts
After short frequency-changeable compressor is shut down, the time of four-way valve late commutation action.If the running frequency of frequency-changeable compressor be more than or
Equal to preset operating frequency value, then four-way valve is according to the instruction of the commutation action received, four-way valve inside slider delay first
After preset time, is moved from current moving direction toward opposite direction, complete the commutation action of four-way valve, first preset time
It is consistent with the first preset time mentioned above.
The present embodiment receives shutdown command or pattern when the compressor of air conditioner is frequency-changeable compressor in air conditioner
After switching command, four-way valve delay is controlled according to the running frequency of frequency-changeable compressor and executes the time of commutation action, and works as frequency conversion
When the running frequency of compressor is less than preset operating frequency value, shorten delay time.It is dynamic to improve four-way valve delay execution commutation
The reliability of work reduces the noise generated when four-way valve commutation.
Further, it is based on above-mentioned air conditioner controlling device first embodiment, it is proposed that air conditioner controlling device of the present invention
3rd embodiment, above-mentioned first control module 200 includes in the embodiment：
Timing unit controls the sky if receiving shutdown command or pattern switching instruction for the air conditioner
The compressor of device is adjusted to be stopped, triggering timing device starts timing；
Control unit, for after the timing time of the timer reaches the first preset time, controlling the air conditioner
Four-way valve inside sliding block execute commutation action.
In the present embodiment, air conditioner may include timer or preset timing module, be held for acquiring four-way valve delay
The time of row commutation action.The mode for obtaining delay time may include：Mode one, air conditioner in the process of running, work as reception
To after shutdown command or pattern switching instruction, triggering timing device starts timing, and is fed back to air conditioner after reaching preset time
Delay time.Mode two, by there is the terminal of connection relation to carry out timing with air conditioner, the type of the terminal can be according to practical need
It is configured.For example, when air conditioner receives shutdown command or pattern switching instructs, start to count by communication device transmission
Shi Zhiling is to terminal, after terminal receives the beginning riming instructions that air conditioner sends over, carries out timing.Reach in delay time
Stop timing when preset time, and returns to delay time to air conditioner, so that air conditioner executes phase according to the delay time of return
The operation answered.The mode of above-mentioned acquisition delay time is only enumerating for specific implementation mode, those skilled in the art propose its
It obtains the mode of delay time, is within the scope of the invention.
Specifically, when air conditioner receives shutdown command or pattern switching instructs, the compressor of air-conditioner outdoor unit
It shuts down.Meanwhile timing unit triggering timing device starts timing, is carried out after the timing time of timer reaches the first preset time
Feedback, the four-way valve of air-conditioner outdoor unit receives the instruction of commutation action, inside the four-way valve of control unit control at this time sliding block by
Current moving direction is moved toward opposite direction, completes the commutation action of four-way valve.First preset time with it is mentioned above
Preset time is consistent.When air conditioner is not received by shutdown command or pattern switching instructs, compressor and four-way valve maintain
Current working condition.
The present embodiment air conditioner is not influencing user's normal use after receiving shutdown command or pattern switching instruction
In the case of, the delay execution four-way valve commutation action in compressor operating reduces the pressure difference at sliding block both ends inside four-way valve, drop
The noise generated when low four-way valve commutation, improves the satisfaction of user.
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 (6)
1. a kind of air-conditioner control method, which is characterized in that the air-conditioner control method includes the following steps：
Whether detecting air conditioner receives shutdown command or pattern switching instruction；
If the air conditioner receives shutdown command or pattern switching instruction, the compressor for controlling the air conditioner stops work
Make, and commutation action is executed after the first preset time of slider delay inside the four-way valve of the control air conditioner, to weaken
The pressure difference at both ends when stating four-way valve commutation；
When the compressor of the air conditioner is frequency-changeable compressor, whether the detecting air conditioner receives shutdown command or mould
Include after formula switching command：
If the air conditioner receives shutdown command or pattern switching instruction, the frequency-changeable compressor of the air conditioner is obtained
Running frequency, and control the frequency-changeable compressor and be stopped；
When the running frequency of the frequency-changeable compressor is less than preset operating frequency value, inside the four-way valve that controls the air conditioner
Commutation action is executed after the second preset time of slider delay, second preset time is less than the first preset time.
2. air-conditioner control method as described in claim 1, which is characterized in that first preset time is 5 seconds~30 seconds.
3. air-conditioner control method as claimed in claim 2, which is characterized in that if the air conditioner receive shutdown command or
Person's pattern switching instructs, then the compressor for controlling the air conditioner is stopped, and in the four-way valve of the control air conditioner
Commutation action is executed after the first preset time of portion's slider delay includes：
If the air conditioner receives shutdown command or pattern switching instruction, the compressor for controlling the air conditioner stops work
Make, triggering timing device starts timing；
After the timing time of the timer reaches the first preset time, controls sliding block inside the four-way valve of the air conditioner and hold
Row commutation action.
4. a kind of air conditioner controlling device, which is characterized in that the air conditioner controlling device includes：
Detecting module, for detecting whether air conditioner receives shutdown command or pattern switching instruction；
First control module controls the sky if receiving shutdown command or pattern switching instruction for the air conditioner
It adjusts the compressor of device to be stopped, and is executed after the first preset time of slider delay inside the four-way valve of the control air conditioner
Commutation action, to weaken the pressure difference at both ends when the four-way valve commutates；
When the compressor of the air conditioner is frequency-changeable compressor, the air conditioner controlling device further includes：
Second control module obtains the sky if receiving shutdown command or pattern switching instruction for the air conditioner
The running frequency of the frequency-changeable compressor of device is adjusted, and controls the frequency-changeable compressor and is stopped；When the fortune of the frequency-changeable compressor
When line frequency is less than preset operating frequency value, controls and held after the second preset time of slider delay inside the four-way valve of the air conditioner
Row commutation action, second preset time are less than the first preset time.
5. air conditioner controlling device as claimed in claim 4, which is characterized in that first preset time is 5 seconds~30 seconds.
6. air conditioner controlling device as claimed in claim 5, which is characterized in that first control module includes：
Timing unit controls the air conditioner if receiving shutdown command or pattern switching instruction for the air conditioner
Compressor be stopped, triggering timing device starts timing；
Control unit, for after the timing time of the timer reaches the first preset time, controlling the four of the air conditioner
Sliding block executes commutation action inside port valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297539.7A CN105972850B (en) | 2016-05-05 | 2016-05-05 | Air-conditioner control method and device |
| PCT/CN2017/081934 WO2017190613A1 (en) | 2016-05-05 | 2017-04-25 | Air conditioner control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297539.7A CN105972850B (en) | 2016-05-05 | 2016-05-05 | Air-conditioner control method and device |
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| CN105972850A CN105972850A (en) | 2016-09-28 |
| CN105972850B true CN105972850B (en) | 2018-07-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017190613A1 (en) * | 2016-05-05 | 2017-11-09 | 广东美的制冷设备有限公司 | Air conditioner control method and device |
| CN108032707B (en) * | 2017-12-29 | 2021-03-02 | 北汽（常州）汽车有限公司 | Power-off control method for air conditioning system of pure electric vehicle |
| CN111288616B (en) * | 2018-12-07 | 2021-12-21 | 上海汽车集团股份有限公司 | Electromagnetic valve control method of heat pump air conditioning system |
| CN109751722B (en) * | 2018-12-20 | 2020-09-22 | 珠海格力电器股份有限公司 | Air conditioner control device, air conditioner and control method thereof |
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