CN106369717A - Air-conditioner and control method thereof - Google Patents
Air-conditioner and control method thereof Download PDFInfo
- Publication number
- CN106369717A CN106369717A CN201610876843.7A CN201610876843A CN106369717A CN 106369717 A CN106369717 A CN 106369717A CN 201610876843 A CN201610876843 A CN 201610876843A CN 106369717 A CN106369717 A CN 106369717A
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- China
- Prior art keywords
- air
- conditioner
- heat exchanger
- coolant
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an air-conditioner and a control method of the air-conditioner. The air-conditioner comprises a compressor, a four-way valve, a gas-liquid separator, an indoor heat exchanger, a first control part, an outdoor heat exchanger and a second control part, wherein the first control part communicates with one end of the indoor heat exchanger and the four-way valve; the outdoor heat exchanger is connected with the four-way valve; and the second control part is connected with the other end of the indoor heat exchanger and the other end of the outdoor heat exchanger. When the heating mode of the air-conditioner is stopped, after the compressor stops operating for a first preset period of time, the four-way valve resets to a refrigerating mode and a coolant recovering mode, the compressor starts operating, and the second control part is shut down. After a second preset period of time, the compressor stops operating, the first control part is shut down, and accordingly the coolant is controlled inside the outdoor heat exchanger. When the air-conditioner is started for heating, the first control part is started. After a third preset period of time, the second control part is started, and the compressor begins to operate. According to the air-conditioner, fast heating can be achieved at the starting stage, energy consumption losses are reduced, and the degree of using satisfaction of users is improved.
Description
Technical field
The present invention relates to air-conditioner technical field, in particular to the control method of a kind of air-conditioner and air-conditioner.
Background technology
With consumer, air-conditioner comfort level requirement is increased, generally it is desirable to air-conditioner on startup can be in short-term
Interior quick blowout hot blast, strengthens comfortableness, reaches the rapid effect raising of indoor temperature.Air-conditioner of the prior art is opening
Due to the migration of coolant during dynamic, need a very long time reasonable layout coolant and make system stability, and start-up course
In possess heating capacity coolant considerably less, energy cannot get effectively utilizes, a large amount of losses of the energy causing, air-conditioning simultaneously
Possess indoor set anti-cold wind function when heating, system boot needs considerable time to blowout hot blast, heat speed slow it is impossible to
Meet user to indoor temperature zooming demand.
Content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
For this reason, it is an object of the present invention to proposing a kind of air-conditioner.
Further object is that proposing a kind of control method of air-conditioner.
In view of this, according to one object of the present invention it is proposed that a kind of air-conditioner, comprising: compressor；Cross valve, with
The air vent of compressor is connected；Gas-liquid separator, is connected between cross valve and the air inlet of compressor；Indoor heat exchanger；
First control parts, are connected with one end of indoor heat exchanger and cross valve；Outdoor heat exchanger, one end of outdoor heat exchanger and four
Port valve is connected；Second control parts, are connected with the other end of indoor heat exchanger and the other end of outdoor heat exchanger, wherein,
When air-conditioner is in heating mode, when air-conditioner is shut down, compressor is out of service, after the first preset duration, cross valve
It is reset to refrigeration and receives coolant pattern, compressor starts are run, the second control parts are closed mode, and in the second preset duration
Afterwards, control compressor out of service, control the first control parts are closed mode, so that the first control parts and the second control unit
Part controls the coolant that compressor receives the discharge of coolant pattern in refrigeration in outdoor heat exchanger；When air-conditioner start heats, the
One control parts are opening, and after the 3rd preset duration, the second control parts are opening, and compressor starts are transported
OK.
The air-conditioner that the present invention provides, by arranging the first control parts between heat exchanger and cross valve indoors, works as sky
Adjust device when heating mode is shut down, compressor is out of service, after the first preset duration, cross valve is reset to refrigeration and receives coolant mould
Formula, compressor starts are run, and the coolant that compressor is discharged migrates to outdoor heat exchanger, because now the second control parts are to close
Closed state, the coolant in outdoor heat exchanger cannot migrate to indoor heat exchanger, and after the second preset duration, compressor stops fortune
OK, the first control parts are closed, now compressor is received coolant pattern row in refrigeration by the first control parts and the second control parts
The coolant going out controls in outdoor heat exchanger, and the coolant quantity in indoor heat exchanger is seldom, or reaches vacuum state；Work as air-conditioner
When start heats, the first control parts are opening, and after the 3rd preset duration, the second control parts are opening,
Compressor starts are run, due to not having coolant in indoor heat exchanger or being in vacuum state so that High Temperature High Pressure discharged by compressor
Coolant can smooth, rapidly migrate to indoor heat exchanger, make the refrigerant temperature in indoor heat exchanger higher, and coolant quantity fill
Foot, and then be conducive to indoor heat exchanger rapid and external environment fully carries out heat exchange, can quickly blow out hot blast, raising heats
Efficiency, and reduce the energy loss of start-up phase, meet user's temperature within the air-conditioner start-up phase short time and rise rapidly
And reach demand in comfortable scope, and then improve the satisfaction that user uses.Further, due to air-conditioner start-up phase
There is pressure reduction in system, the coolant of the therefore High Temperature High Pressure that compressor is discharged can rapidly, swimmingly migrate to indoor heat exchanger, cold
The flow resistance of matchmaker is less, reduces the load in system boot stage, and sufficient coolant quantity can make air conditioning system quick simultaneously
Reach steady statue, and then fast and efficiently heat, improve heating efficiency energy saving, solve indoor set anti-cold wind work(
The efficiency heating can be affected, improve the satisfaction that user uses further.Further, after the first preset duration, cross valve
It is reset to refrigeration and receive coolant pattern it is also possible to after the 4th preset duration, compressor brings into operation again, applied widely.
According to the above-mentioned air-conditioner of the present invention, can also have a following technical characteristic:
It is preferable that the first control parts are electromagnet cut off valve in technique scheme.
In this technical scheme, the first control parts are electromagnet cut off valve, and electromagnet cut off valve is cheap, applied widely
General, action is quick, be quick on the draw, and can automatically keep valve position, be conducive to controlling, and the first control parts are electromagnet cut off valve,
When air-conditioner is shut down, close after the first preset duration after the second control parts are closed, combine and will press with the second control parts
Contracting machine is received the coolant closing of coolant pattern discharge, is centrally controlled in outdoor heat exchanger in refrigeration, so that coolant cannot be flow to outward
In indoor heat exchanger, and then it is few or do not have coolant to be effectively guaranteed in indoor heat exchanger coolant quantity, can reach vacuum shape
State, enable air conditioner heat-production start-up phase compressor discharge high pressure hyperpyrexia coolant quickly, swimmingly migrate and change to interior
In hot device, so that effective coolant that indoor heat exchanger just has abundance within the start-up phase short time, that temperature is higher is heated, keep away
Exempt to there is, in start-up phase indoor heat exchanger, the coolant remaining when shutting down and reduced and heat speed, impact heating effect and add
The resistance of big coolant flowing, and then be effectively guaranteed and quickly heat and reduce energy loss, save time and the energy, made
Indoor temperature rapid increase reaching in comfortable scope within the start-up phase short period, improves the satisfaction that user uses.
It is preferable that the second control parts are electric expansion valve in technique scheme, the closed mode of electric expansion valve
For the closed mode of the first aperture, the opening of electric expansion valve is the opening of the second aperture.
In this technical scheme, the second control parts are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs
Section coolant flow, and then make the first aperture closed mode disclosure satisfy that air-conditioner shut down when the demand to coolant quantity for the system,
The demand to coolant quantity for the system when opening of the second aperture disclosure satisfy that air-conditioner start, makes the coolant quantity in system and sky
The running status adjusting device matches, be conducive to quick, be reasonably distributed coolant quantity, and then make system stability, effectively heat, section
The about energy, improves heating efficiency, improves the satisfaction that user uses.Further, the second control parts can require for meeting
Other control parts.
It is preferable that electric expansion valve is provided with opening adjusting device in technique scheme, for adjusting electronic expansion
The aperture of valve, so that the first aperture and the second aperture meet the required coolant quantity under different running statuses of air-conditioner.
In this technical scheme, electric expansion valve is provided with opening adjusting device, for adjusting the aperture of electric expansion valve,
So that the first aperture and the second aperture meet the required coolant quantity under different running statuses of air-conditioner.Further, first
The closed mode of aperture is completely closed state, on the one hand, the coolant in system after making air-conditioner shut down is concentrated, efficiently controlled
In outdoor heat exchanger, so that the coolant quantity in indoor heat exchanger is reduced or not exist, reach vacuum state, be conducive to improving air-conditioning
Heating efficiency during device start energy saving, disclosure satisfy that the demand of user's fast-refrigerating, improve the satisfaction that user uses；
On the one hand, the opening of the second aperture is the aperture that the system run with air-conditioner start is matched, when air-conditioner is started shooting,
Be conducive to the gas in system, liquid quickly to circulate, and quickly, be reasonably distributed coolant quantity, and then enable a system to quickly reach
To steady statue, and effectively heat, improve the satisfaction that user uses.
It is preferable that indoor heat exchanger is condenser in any of the above-described technical scheme, outdoor controller is vaporizer.
In this technical scheme, indoor heat exchanger is condenser, and outdoor heat exchanger is vaporizer, shuts down receipts in air-conditioner cold
During matchmaker's pattern, cross valve commutates into refrigeration mode, and the air vent through cross valve for the coolant that compressor is discharged migrates in vaporizer,
Combined the control of concentration, closing in vaporizer by the first control parts and the second control parts, make the coolant quantity in condenser
Few or become vacuum state, when air conditioner heat-production is started shooting, four-way change-over valve commutates into heating mode, the coolant in vaporizer
Backflowing, and become the coolant of High Temperature High Pressure after compressor quickly, swimmingly migrates so that condenser is in start in condenser
Just there are abundance, effective coolant that temperature is higher in short time, be conducive to condenser quick, sufficiently and external environment carries out heat
Exchange, so that indoor temperature is increased rapidly, and then realize the effect quickly heating, meet user simultaneously after air-conditioner unlatching
Can quickly heat and reach the requirement of comfort level in short time, improve the satisfaction that user uses.Warp after the condensed device of coolant
Second control parts migrate to outdoor heat exchanger after adjusting, and are flowed into after outdoor heat exchanger heat exchange after gas-liquid separator separates
Compressor, and then recycle, effectively save the energy.
In a particular embodiment, because air conditioner heat-production is to carry out heat exchange realization by the coolant in heat exchanger and environment
, therefore, the flow of the effective coolant in heat exchanger plays deciding factor to the effect of refrigeration, and air conditioning system is shut down every time
Process, coolant all can migrate in system, the distribution of coolant when destroying air conditioning system steady-state operation, and start process is also required to weight
Newly set up the distribution of coolant, have a strong impact on the promptness of air-conditioning heating.And technical scheme, by heat exchange indoors
First control parts are set between device and cross valve, and when air-conditioner is shut down in heating mode stable state, compressor is out of service,
After first preset duration, cross valve is reset to refrigeration and receives coolant pattern, and compressor starts are run, the coolant that compressor is discharged to
Outdoor heat exchanger migrates, and because now the second control parts are closed mode, the coolant in outdoor heat exchanger cannot change to interior
Hot device migration, and after the second preset duration, compressor is out of service, closes the first control parts, now the first control parts
With the second control parts, the coolant that compressor receives the discharge of coolant pattern in refrigeration is controlled in outdoor heat exchanger, and indoor heat exchange
Coolant quantity in device seldom, or reaches vacuum state；When air-conditioner start heats, the first control parts are opening, and
After the 3rd preset duration, the second control parts are opening, and compressor starts are run, and now coolant is through compressor compresses
Get in afterwards in heat exchanger so that the refrigerant temperature flowing in indoor heat exchanger is very high, due to invalid in indoor heat exchanger
Coolant quantity seldom, or is in vacuum state, and the coolant after overcompression can smoothly get in heat exchanger and the external world very much
Environment carries out heat exchange, can blow out rapidly hot blast, reach the effect quickly heating.Simultaneously because it is unnecessary in indoor heat exchanger
Invalid coolant so that flow resistance very little, the load of system open stage can be reduced, simultaneously air-conditioning open stage compressor
The cold medium flux of air-breathing is sufficient, air conditioning system can be allowed can quickly to set up stable state, the fortune that system can be more rapid, more efficient
OK.
According to another object of the present invention it is proposed that a kind of control method of air-conditioner, air-conditioner is first purpose
Described air-conditioner, the control method of air-conditioner includes: when air-conditioner is in heating mode, when receiving halt instruction,
Control compressor out of service；After the first preset duration, control cross valve to be reset to refrigeration and receive coolant pattern, control compressor
Bring into operation, and control the second control parts to be closed mode；And after the second preset duration, control compressor out of service,
The first control parts are controlled to be closed mode, so that compressor is received coolant in refrigeration by the first control parts and the second control parts
The coolant that pattern is discharged controls in outdoor heat exchanger；When receiving start-up command, the first control parts are controlled to be to open shape
State, and after the 3rd preset duration, control the second control parts are opening, control compressor starts to run.
The control method of the tune device that the present invention provides, is in heating mode in air-conditioner, when receiving halt instruction, control
Compressor processed is out of service, after the first preset duration, controls cross valve to be reset to refrigeration and receives coolant pattern, control compressor to open
Begin to run, and control the second control parts to be closed mode, the coolant that compressor is discharged migrates to outdoor heat exchanger, due to this
When the second control parts be closed mode, the coolant in outdoor heat exchanger cannot migrate to indoor heat exchanger, and presets second
After duration, control compressor out of service, control the first control parts are closed mode, now the first control parts and the second control
Part processed controls the coolant that compressor receives the discharge of coolant pattern in refrigeration in outdoor heat exchanger, and cold in indoor heat exchanger
Matchmaker's amount seldom, or reaches vacuum state；When receiving start-up command, control the first control parts are opening, and the
After three preset duration, control the second control parts are opening, control compressor starts to run, do not have due in indoor heat exchanger
Have coolant or be in vacuum state so that compressor discharge High Temperature High Pressure coolant can smooth, rapidly migrate and change to interior
Hot device, makes the refrigerant temperature in indoor heat exchanger higher, and coolant quantity is sufficient, and then is conducive to indoor heat exchanger rapid and extraneous
Environment fully carries out heat exchange, can quickly blow out hot blast, raising heating efficiency, and reduce the energy loss of start-up phase,
Meet user's temperature within the air-conditioner start-up phase short time to rise rapidly and reach the demand in comfortable scope, and then improve
The satisfaction that user uses.Further, because air-conditioner start-up phase system has pressure reduction, the high temperature that therefore compressor is discharged
The coolant of high pressure can rapidly, swimmingly migrate to indoor heat exchanger, and the flow resistance of coolant is less, reduces system boot rank
The load of section, simultaneously sufficient coolant quantity can make air conditioning system be rapidly achieved steady statue, and then fast and efficiently heats,
Improve heating efficiency energy saving, solve indoor set anti-cold wind function effect heating efficiency, improve user further and use
Satisfaction.
It is preferable that the first control parts are electromagnet cut off valve in technique scheme.
In this technical scheme, the first control parts are electromagnet cut off valve, and electromagnet cut off valve is cheap, applied widely
General, action is quick, be quick on the draw, and can automatically keep valve position, be conducive to controlling, and the first control parts are electromagnet cut off valve,
When air-conditioner is shut down, close after the first preset duration after the second control parts are closed, combine and will press with the second control parts
Contracting machine is received the coolant closing of coolant pattern discharge, is centrally controlled in outdoor heat exchanger in refrigeration, so that coolant cannot be flow to outward
In indoor heat exchanger, and then it is few or do not have coolant to be effectively guaranteed in indoor heat exchanger coolant quantity, can reach vacuum shape
State, enable air conditioner heat-production start-up phase compressor discharge high pressure hyperpyrexia coolant quickly, swimmingly migrate and change to interior
In hot device, coolant that indoor heat exchanger just has abundance within the start-up phase short time, that temperature is higher is made to be heated, it is to avoid
There is, in start-up phase indoor heat exchanger, the coolant remaining when shutting down and reduce and heat speed, impact heating effect and increase cold
The resistance of matchmaker's flowing, and then be effectively guaranteed and quickly heat and reduce energy loss, save time and the energy, made interior
Temperature rapid increase reaching in comfortable scope within the start-up phase short period, improves the satisfaction that user uses.
It is preferable that the second control parts are electric expansion valve in technique scheme, the closed mode of electric expansion valve
For the closed mode of the first aperture, the opening of electric expansion valve is the opening of the second aperture.
In this technical scheme, the second control parts are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs
Section coolant flow, and then make the first aperture closed mode disclosure satisfy that air-conditioner shut down when the demand to coolant quantity for the system,
The demand to coolant quantity for the system when opening of the second aperture disclosure satisfy that air-conditioner start, makes the coolant quantity in system and sky
The running status adjusting device matches, be conducive to quick, be reasonably distributed coolant quantity, and then make system stability, effectively heat, section
The about energy, improves heating efficiency, improves the satisfaction that user uses.Further, the second control parts can require for meeting
Other control parts.
It is preferable that electric expansion valve is provided with opening adjusting device in technique scheme, for adjusting electronic expansion
The aperture of valve, so that the first aperture and the second aperture meet the required coolant quantity under different running statuses of air-conditioner.
In this technical scheme, electric expansion valve is provided with opening adjusting device, for adjusting the aperture of electric expansion valve,
So that the first aperture and the second aperture meet the required coolant quantity under different running statuses of air-conditioner.Further, first
The closed mode of aperture is completely closed state, on the one hand, the coolant in system after making air-conditioner shut down is concentrated, efficiently controlled
In outdoor heat exchanger, so that the coolant quantity in indoor heat exchanger is reduced or not exist, reach vacuum state, be conducive to improving air-conditioning
Heating efficiency during device start energy saving, disclosure satisfy that the demand of user's fast-refrigerating, improve the satisfaction that user uses；
On the one hand, the opening of the second aperture is the aperture that the system run with air-conditioner start is matched, when air-conditioner is started shooting,
Be conducive to the gas in system, liquid quickly to circulate, and quickly, be reasonably distributed coolant quantity, and then enable a system to quickly reach
To steady statue, and effectively heat, improve the satisfaction that user uses.
It is preferable that First Heat Exchanger is condenser in any of the above-described technical scheme, the second heat exchanger is vaporizer.
In this technical scheme, indoor heat exchanger is condenser, and outdoor heat exchanger is vaporizer, shuts down receipts in air-conditioner cold
During matchmaker's pattern, cross valve commutates into refrigeration mode, and the air vent through cross valve for the coolant that compressor is discharged migrates in vaporizer,
Combined the control of concentration, closing in vaporizer by the first control parts and the second control parts, make the coolant quantity in condenser
Few or become vacuum state, when air conditioner heat-production is started shooting, four-way change-over valve commutates into heating mode, the coolant in vaporizer
Backflowing, and become the coolant of High Temperature High Pressure after compressor quickly, swimmingly migrates so that condenser is in start in condenser
Just there are abundance, effective coolant that temperature is higher in short time, be conducive to condenser quick, sufficiently and external environment carries out heat
Exchange, so that indoor temperature is increased rapidly, and then realize the effect quickly heating, meet user simultaneously after air-conditioner unlatching
Can quickly heat and reach the requirement of comfort level in short time, improve the satisfaction that user uses.
The additional aspect of the present invention and advantage will become obvious in following description section, or by the practice of the present invention
Recognize.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein:
Fig. 1 is the structure diagram of the air-conditioner of embodiments of the invention；
Fig. 2 is the schematic flow sheet of the control method of the air-conditioner of embodiments of the invention.
Wherein, in Fig. 1, the corresponding relation between reference and component names is:
100 air-conditioners, 102 compressors, 104 cross valves, 106 gas-liquid separators, 108 indoor heat exchangers, 110 first controls
Part, 112 outdoor heat exchangers, 114 second control parts.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real
Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention also may be used
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not limited to following public affairs
The restriction of the specific embodiment opened.
As shown in figure 1, the embodiment of first aspect present invention is it is proposed that a kind of air-conditioner 100, comprising: compressor 102；
Cross valve 104, is connected with the air vent of compressor 102；Gas-liquid separator 106, is connected to cross valve 104 and compressor 102
Air inlet between；Indoor heat exchanger 108；First control parts 110, one end and cross valve 104 phase with indoor heat exchanger 108
Connection；Outdoor heat exchanger 112, one end of outdoor heat exchanger 112 is connected with cross valve 104；Second control parts 114, with room
The other end of interior heat exchanger 108 is connected with the other end of outdoor heat exchanger 112, wherein, is in heating mode in air-conditioner 100
When, when air-conditioner 100 is shut down, compressor 102 is out of service, and after the first preset duration, cross valve 104 is reset to refrigeration and receives
Coolant pattern, compressor 102 brings into operation, and the second control parts 114 are closed mode, and after the second preset duration, control
Compressor 102 is out of service, controls the first control parts 110 to be closed mode, so that the first control parts 110 and the second control
Part 114 controls the coolant that compressor 102 receives the discharge of coolant pattern in refrigeration in outdoor heat exchanger 112；When air-conditioner 100
When start heats, the first control parts 110 are opening, and after the 3rd preset duration, the second control parts 114 are to open
State, compressor 102 brings into operation.
The air-conditioner 100 that the present invention provides, by setting first control between heat exchanger 108 and cross valve 104 indoors
Part 110, when air-conditioner 100 is shut down in heating mode, compressor 102 is out of service, after the first preset duration, cross valve
104 are reset to refrigeration receives coolant pattern, and compressor 102 brings into operation, and the coolant that compressor 102 is discharged is to outdoor heat exchanger
112 migrations, because now the second control parts 114 are closed mode, the coolant in outdoor heat exchanger 112 cannot be to indoor heat exchange
Device 108 migrates, and after the second preset duration, compressor 102 is out of service, closes the first control parts 110, now the first control
Part 110 processed and the second control parts 114 control the coolant that compressor 102 receives the discharge of coolant pattern in refrigeration in outdoor heat exchange
In device 112, and the coolant quantity in indoor heat exchanger 108 is seldom, or reaches vacuum state；When air-conditioner 100 start heats, the
One control parts 110 are opening, and after the 3rd preset duration, the second control parts 114 are opening, compressor
102 bring into operation, due to not having coolant in indoor heat exchanger 108 or being in vacuum state so that high temperature height discharged by compressor 102
The coolant of pressure can smooth, rapidly migrate to indoor heat exchanger 108, makes the refrigerant temperature in indoor heat exchanger 108 higher, and
Coolant quantity is sufficient, and then is conducive to that indoor heat exchanger 108 is rapid and external environment fully carries out heat exchange, can quickly blow out heat
Wind, raising heating efficiency, and reduce the energy loss of start-up phase, meet user in the air-conditioner 100 start-up phase short time
Interior temperature rises rapidly and reaches the demand in comfortable scope, and then improves the satisfaction that user uses.Further, due to
There is pressure reduction in air-conditioner 100 start-up phase system, the coolant of the therefore High Temperature High Pressure that compressor 102 is discharged can be rapid, smooth
Migrate to indoor heat exchanger 108, the flow resistance of coolant is less, reduces the load in system boot stage, simultaneously sufficient
Coolant quantity can make air conditioning system be rapidly achieved steady statue, and then fast and efficiently heats, and improve heating efficiency and save energy
Source, solves the efficiency that indoor set anti-cold wind function effect heats, and improves the satisfaction that user uses further.Further,
After the first preset duration, cross valve 104 is reset to refrigeration and receives coolant pattern it is also possible to after the 4th preset duration, compressor
102 bring into operation again, applied widely.
In one embodiment of the invention preferably, the first control parts 110 are electromagnet cut off valve.
In this embodiment, the first control parts 110 are electromagnet cut off valve, and electromagnet cut off valve is cheap, the scope of application
Extensively, action is quick, be quick on the draw, and can automatically keep valve position, be conducive to controlling, and the first control parts 110 are cut for electromagnetism
Only valve, when air-conditioner 100 is shut down, cuts out after the first preset duration, with the second control unit after the second control parts 114 are closed
Part 114 is combined the coolant that in refrigeration, compressor 102 is received the discharge of coolant pattern and is closed, is centrally controlled in outdoor heat exchanger 112
Interior, so that coolant cannot be flow to outward in indoor heat exchanger 108, and then it is few to be effectively guaranteed coolant quantity in indoor heat exchanger 108
Or there is no coolant, vacuum state can be reached, make air-conditioner 100 heat the high pressure hyperpyrexia of start-up phase compressor 102 discharge
Coolant can quickly, swimmingly migrate to indoor heat exchanger 108, make indoor heat exchanger 108 within the start-up phase short time just
Have abundance, effective coolant that temperature is higher heated, it is to avoid exist residual when shutting down in start-up phase indoor heat exchanger 108
The coolant that stays and reduce the resistance heating speed, impact heating effect and increasing coolant flowing, and then be effectively guaranteed and heat
Efficiency simultaneously reduces energy loss, has saved time and the energy, makes indoor temperature rapid increase within the start-up phase short period
And reach in comfortable scope, improve the satisfaction that user uses.
In one embodiment of the invention preferably, the second control parts 114 are electric expansion valve, electric expansion valve
Closed mode is the closed mode of the first aperture, and the opening of electric expansion valve is the opening of the second aperture.
In this embodiment, the second control parts 114 are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs
Section coolant flow, and then make the first aperture closed mode disclosure satisfy that air-conditioner 100 shut down when the need to coolant quantity for the system
Ask, the demand to coolant quantity for the system when opening of the second aperture disclosure satisfy that air-conditioner 100 start, make the coolant in system
Amount and the running status of air-conditioner 100 match, be conducive to quick, be reasonably distributed coolant quantity, and then make system stability, effective
Heat, energy saving, improve heating efficiency, improve user use satisfaction.Further, the second control parts 114 can
Think and meet other control parts requiring.
In one embodiment of the invention preferably, electric expansion valve is provided with opening adjusting device, for adjusting electricity
The aperture of sub- expansion valve so that the first aperture and the second aperture to meet air-conditioner 100 required cold under different running statuses
Matchmaker measures.
In this embodiment, electric expansion valve is provided with opening adjusting device, for adjusting the aperture of electric expansion valve, with
The first aperture and the second aperture is made to meet the required coolant quantity under different running statuses of air-conditioner 100.Further, first
The closed mode of aperture is completely closed state, on the one hand, the coolant in system after making air-conditioner 100 shut down is concentrated, effectively
Control in outdoor heat exchanger 112, so that the coolant quantity in indoor heat exchanger 108 is reduced or not exist, reach vacuum state, favorably
Heating efficiency when improving air-conditioner 100 start energy saving, disclosure satisfy that the demand of user's fast-refrigerating, improve user
The satisfaction using；On the one hand, the opening of the second aperture is the opening of matching of system run with air-conditioner 100 start
Degree, when air-conditioner 100 start shooting, be conducive to the gas in system, liquid quickly to circulate, and quickly, reasonably distribution coolant quantity,
And then enable a system to be rapidly achieved steady statue, and effectively heat, improve the satisfaction that user uses.
In one embodiment of the invention preferably, indoor heat exchanger 108 is condenser, and outdoor controller is evaporation
Device.
In this embodiment, indoor heat exchanger 108 is condenser, and outdoor heat exchanger 112 is vaporizer, in air-conditioner 100
When shutting down receipts coolant pattern, cross valve 104 commutates into refrigeration mode, the aerofluxuss through cross valve 104 for the coolant that compressor 102 is discharged
Mouth migrates in vaporizer, is combined the control of concentration, closing in evaporation by the first control parts 110 and the second control parts 114
In device, make the coolant quantity in condenser few or become vacuum state, when air-conditioner 100 heats start, four-way change-over valve changes
To becoming heating mode, the coolant in vaporizer backflows, and it is quick, swimmingly to become the coolant of High Temperature High Pressure after compressor 102
The migration in condenser, so that condenser just has effective coolant sufficient, that temperature is higher within the start short time, is conducive to cold
Condenser is quick, sufficient and external environment carries out heat exchange, so that indoor temperature is increased rapidly, and then realizes the effect quickly heating
Really, meet the requirement that user can quickly heat and reach comfort level within the short time after air-conditioner 100 unlatching simultaneously, carry
The satisfaction that high user uses.Further, migrate after the second control parts 114 regulation after the condensed device of coolant and change to outdoor
Hot device 112, flows into compressor 102 after gas-liquid separator 106 separates after outdoor heat exchanger 112 heat exchange, and then circulates profit
With effectively having saved the energy.
In a particular embodiment, it is that to carry out heat exchange by the coolant in heat exchanger and environment real because air-conditioner 100 heats
Existing, therefore, the flow of the effective coolant in heat exchanger plays deciding factor to the effect of refrigeration, and air conditioning system is stopped every time
Machine process, coolant all can migrate in system, the distribution of coolant when destroying air conditioning system steady-state operation, and start process is also required to
Re-establish the distribution of coolant, have a strong impact on the promptness of air-conditioning heating.And technical scheme, by changing indoors
First control parts 110 are set between hot device 108 and cross valve 104, when air-conditioner 100 is shut down in heating mode stable state, pressure
Contracting machine 102 is out of service, and after the first preset duration, cross valve 104 is reset to refrigeration and receives coolant pattern, and compressor 102 starts
Run, the coolant that compressor 102 is discharged migrates to outdoor heat exchanger 112, because now the second control parts 114 are to close shape
State, the coolant in outdoor heat exchanger 112 cannot migrate to indoor heat exchanger 108, and after the second preset duration, compressor 102
Out of service, close the first control parts 110, now the first control parts 110 and the second control parts 114 are by compressor 102
The coolant receiving the discharge of coolant pattern in refrigeration controls in outdoor heat exchanger 112, and the coolant quantity in indoor heat exchanger 108 is very
Few, or reach vacuum state；When air-conditioner 100 start heats, the first control parts 110 are opening, and pre- the 3rd
If after duration, the second control parts 114 are opening, and compressor 102 brings into operation, and now coolant is pressed through compressor 102
Get in after contracting in heat exchanger 108 so that the refrigerant temperature flowing in indoor heat exchanger 108 is very high, due to indoor heat exchanger
Invalid coolant quantity in 108 seldom, or is in vacuum state, and the coolant after overcompression can smoothly get in and change very much
Hot device 108 carries out heat exchange with external environment, can blow out rapidly hot blast, reach the effect quickly heating.Simultaneously because interior is changed
There is no unnecessary invalid coolant so that flow resistance very little in hot device 108, the load of system open stage can be reduced, simultaneously
The cold medium flux of air-conditioning open stage compressor 102 air-breathing is sufficient, and air conditioning system can be allowed can quickly to set up stable state, system
Operation that can be more rapid, more efficient.
The embodiment of second aspect present invention provides a kind of control method of air-conditioner, as described in Figure 2, the reality of the present invention
Apply the schematic flow sheet of the control method of the air-conditioner of example:
Step s102, when air-conditioner is in heating mode, receives the halt instruction of air-conditioner；
Step s104, controls compressor out of service, after the first preset duration, controls cross valve to be reset to refrigeration receipts cold
Matchmaker's pattern, controls compressor starts to run, and controls the second control parts to be closed mode, and after the second preset duration, control
Compressor processed is out of service, and control the first control parts are closed mode；
Step s106, receives the start-up command of air-conditioner；
Step s108, control the first control parts are opening, and after the 3rd preset duration, control the second control unit
Part is opening, controls compressor starts to run.
The control method of the tune device that the present invention provides, is in heating mode in air-conditioner, when receiving halt instruction, control
Compressor processed is out of service, after the first preset duration, controls cross valve to be reset to refrigeration and receives coolant pattern, control compressor to open
Begin to run, and control the second control parts to be closed mode, the coolant that compressor is discharged migrates to outdoor heat exchanger, due to this
When the second control parts be closed mode, the coolant in outdoor heat exchanger cannot migrate to indoor heat exchanger, and presets second
After duration, control compressor out of service, control the first control parts are closed mode, now the first control parts and the second control
Part processed controls the coolant that compressor receives the discharge of coolant pattern in refrigeration in outdoor heat exchanger, and cold in indoor heat exchanger
Matchmaker's amount seldom, or reaches vacuum state；When receiving start-up command, control the first control parts are opening, and the
After three preset duration, control the second control parts are opening, control compressor starts to run, do not have due in indoor heat exchanger
Have coolant or be in vacuum state so that compressor discharge High Temperature High Pressure coolant can smooth, rapidly migrate and change to interior
Hot device, makes the refrigerant temperature in indoor heat exchanger higher, and coolant quantity is sufficient, and then is conducive to indoor heat exchanger rapid and extraneous
Environment fully carries out heat exchange, can quickly blow out hot blast, raising heating efficiency, and reduce the energy loss of start-up phase,
Meet user's temperature within the air-conditioner start-up phase short time to rise rapidly and reach the demand in comfortable scope, and then improve
The satisfaction that user uses.Further, because air-conditioner start-up phase system has pressure reduction, the high temperature that therefore compressor is discharged
The coolant of high pressure can rapidly, swimmingly migrate to indoor heat exchanger, and the flow resistance of coolant is less, reduces system boot rank
The load of section, simultaneously sufficient coolant quantity can make air conditioning system be rapidly achieved steady statue, and then fast and efficiently heats,
Improve heating efficiency energy saving, solve indoor set anti-cold wind function effect heating efficiency, improve user further and use
Satisfaction.
First control parts are electromagnet cut off valve in one embodiment of the invention.
In this embodiment, the first control parts are electromagnet cut off valve, and electromagnet cut off valve is cheap, applied widely
General, action is quick, be quick on the draw, and can automatically keep valve position, be conducive to controlling, and the first control parts are electromagnet cut off valve,
When air-conditioner is shut down, close after the first preset duration after the second control parts are closed, combine and will press with the second control parts
Contracting machine is received the coolant closing of coolant pattern discharge, is centrally controlled in outdoor heat exchanger in refrigeration, so that coolant cannot be flow to outward
In indoor heat exchanger, and then it is few or do not have coolant to be effectively guaranteed in indoor heat exchanger coolant quantity, can reach vacuum shape
State, enable air conditioner heat-production start-up phase compressor discharge high pressure hyperpyrexia coolant quickly, swimmingly migrate and change to interior
In hot device, coolant that indoor heat exchanger just has abundance within the start-up phase short time, that temperature is higher is made to be heated, it is to avoid
There is, in start-up phase indoor heat exchanger, the coolant remaining when shutting down and reduce and heat speed, impact heating effect and increase cold
The resistance of matchmaker's flowing, and then be effectively guaranteed heating efficiency and reduce energy loss, save time and the energy, made interior
Temperature rapid increase reaching in comfortable scope within the start-up phase short period, improves the satisfaction that user uses.
In one embodiment of the invention it is preferable that the second control parts are electric expansion valve, the pass of electric expansion valve
Closed state is the closed mode of the first aperture, and the opening of electric expansion valve is the opening of the second aperture.
In this embodiment, the second control parts are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs
The flow of coolant, and then the demand to coolant quantity for system when making the closed mode of the first aperture disclosure satisfy that air-conditioner is shut down, the
The demand to coolant quantity for the system when opening of two apertures disclosure satisfy that air-conditioner start, makes the coolant quantity in system and air-conditioning
The running status of device matches, be conducive to quick, be reasonably distributed coolant quantity, and then make system stability, effectively heat, save
The energy, improves heating efficiency, improves the satisfaction that user uses.Further, the second control parts can be for meeting requirement
Other control parts.
In one embodiment of the invention it is preferable that electric expansion valve is provided with opening adjusting device, for adjusting electricity
The aperture of sub- expansion valve, so that the first aperture and the second aperture meet the required coolant under different running statuses of air-conditioner
Amount.
In this embodiment, electric expansion valve is provided with opening adjusting device, for adjusting the aperture of electric expansion valve, with
The first aperture and the second aperture is made to meet the required coolant quantity under different running statuses of air-conditioner.Further, first open
The closed mode of degree is completely closed state, on the one hand, the coolant in system after making air-conditioner shut down is concentrated, is efficiently controlled in
In outdoor heat exchanger, so that the coolant quantity in indoor heat exchanger is reduced or not exist, reach vacuum state, be conducive to improving air-conditioner
Heating efficiency during start energy saving, disclosure satisfy that the demand of user's fast-refrigerating, improve the satisfaction that user uses；One
Aspect, the opening of the second aperture is the aperture that the system run with air-conditioner start is matched, and when air-conditioner is started shooting, has
Quickly circulate beneficial to the gas in system, liquid, and quickly, be reasonably distributed coolant quantity, and then enable a system to be rapidly achieved
Steady statue, and effectively heat, improve the satisfaction that user uses.
In one embodiment of the invention it is preferable that First Heat Exchanger is condenser, the second heat exchanger is vaporizer.
In this embodiment, indoor heat exchanger is condenser, and outdoor heat exchanger is vaporizer, shuts down in air-conditioner and receives coolant
During pattern, cross valve commutates into refrigeration mode, and the air vent through cross valve for the coolant that compressor is discharged migrates in vaporizer, quilt
First control parts and the second control parts combine the control of concentration, closing in vaporizer, make the coolant quantity pole in condenser
Less or become vacuum state, when air conditioner heat-production is started shooting, four-way change-over valve commutates into heating mode, and the coolant in vaporizer returns
Flowing, and become the coolant of High Temperature High Pressure after compressor quickly, swimmingly migrates so that condenser is short in start in condenser
Effective coolant that just have abundance in time, that temperature is higher, is conducive to condenser quickly, sufficiently with external environment to carry out heat friendship
Change, so that indoor temperature is increased rapidly, and then realize the effect quickly heating, meet user short after air-conditioner unlatching simultaneously
Can quickly heat and reach the requirement of comfort level in time, improve the satisfaction that user uses.
In one embodiment of the invention it is preferable that electric expansion valve is provided with opening adjusting device, for adjusting electricity
The aperture of sub- expansion valve, so that the first aperture and the second aperture meet the required coolant under different running statuses of air-conditioner
Amount.
In this embodiment, electric expansion valve is provided with opening adjusting device, for adjusting the aperture of electric expansion valve, with
The first aperture and the second aperture is made to meet the required coolant quantity under different running statuses of air-conditioner.Further, first open
The closed mode of degree is completely closed state, on the one hand, the coolant in system after making air-conditioner shut down is concentrated, is efficiently controlled in
In First Heat Exchanger, be conducive to refrigerating efficiency when improving air-conditioner start, disclosure satisfy that the demand of user's fast-refrigerating, improve
The satisfaction that user uses；On the one hand, the opening of the second aperture is the opening of matching of system run with air-conditioner start
Degree, makes air-conditioner in start, can set up larger pressure reduction, be conducive to the gas in system, liquid quickly to circulate, and soon
Speed, reasonably distribution coolant quantity, and then enable a system to fast and stable, and effectively freeze, improve the satisfaction that user uses.
In one embodiment of the invention it is preferable that First Heat Exchanger is condenser, the second heat exchanger is vaporizer.
In this embodiment, First Heat Exchanger is condenser, and the second heat exchanger is vaporizer, makes through exhaust outlet of compressor
The coolant of the High Temperature High Pressure discharged migrates to condenser, and after air-conditioner is shut down, by the first control parts and the second control unit
Part controls the coolant becoming middle temperature high pressure within the condenser after condenser suction is cold, and after working as air-conditioner start, through the first control
The regulation of part processed, becomes the coolant of low-temp low-pressure and flows to vaporizer, is conducive to vaporizer to absorb rapidly heat and exclude cold
Amount, make interior temperature reduce rapidly, and then realize refrigeration purpose, meet simultaneously user air-conditioner unlatching after in short-term
Interior can fast-refrigerating reach the requirement of comfort level, and then improve the satisfaction that user uses.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features with reference to this embodiment or example description, structure, material or feature are contained at least one reality of the present invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of air-conditioner is it is characterised in that include:
Compressor；
Cross valve, is connected with the air vent of described compressor；
Gas-liquid separator, is connected between described cross valve and the air inlet of described compressor；
Indoor heat exchanger；
First control parts, are connected with one end of described indoor heat exchanger and described cross valve；
Outdoor heat exchanger, one end of described outdoor heat exchanger is connected with described cross valve；
Second control parts, are connected with the other end of described indoor heat exchanger and the other end of described outdoor heat exchanger,
Wherein, when described air-conditioner is in heating mode, when described air-conditioner is shut down, described compressor is out of service,
After first preset duration, described cross valve is reset to refrigeration and receives coolant pattern, and described compressor starts are run, described second control
Part is closed mode, and after the second preset duration, controls described compressor out of service, control described first control parts
For closed mode, so that described compressor is received coolant pattern in refrigeration by described first control parts and described second control parts
The coolant discharged controls in described outdoor heat exchanger；When the start of described air-conditioner heats, described first control parts are to open
Open state, and after the 3rd preset duration, described second control parts are opening, described compressor starts are run.
2. air-conditioner according to claim 1 it is characterised in that
Described first control parts are electromagnet cut off valve.
3. air-conditioner according to claim 2 it is characterised in that
Described second control parts are electric expansion valve, and the closed mode of described electric expansion valve is the closing shape of the first aperture
State, the opening of described electric expansion valve is the opening of the second aperture.
4. air-conditioner according to claim 3 it is characterised in that
Described electric expansion valve is provided with opening adjusting device, for adjusting the aperture of described electric expansion valve, so that described
One aperture and described second aperture meet the required coolant quantity under different running statuses of described air-conditioner.
5. air-conditioner according to any one of claim 1 to 4 it is characterised in that
Described indoor heat exchanger is condenser, and described outdoor controller is vaporizer.
6. a kind of control method of air-conditioner is it is characterised in that described air-conditioner is the air-conditioner described in claim 1, described
The control method of air-conditioner includes:
When described air-conditioner is in heating mode, when receiving halt instruction, control described compressor out of service；?
After one preset duration, control described cross valve to be reset to refrigeration and receive coolant pattern, control described compressor starts to run, and control
Described second control parts are closed mode；And after the second preset duration, control described compressor out of service, control described
First control parts are closed mode, so that described compressor is being made by described first control parts and described second control parts
The cold coolant receiving the discharge of coolant pattern controls in described outdoor heat exchanger；
When receiving start-up command, described first control parts of control are opening, and after the 3rd preset duration, control
Described second control parts are opening, control described compressor starts to run.
7. air-conditioner according to claim 6 control method it is characterised in that
Described first control parts are electromagnet cut off valve.
8. air-conditioner according to claim 7 control method it is characterised in that
Described second control parts are electric expansion valve, and the closed mode of described electric expansion valve is the closing shape of the first aperture
State, the opening of described electric expansion valve is the opening of the second aperture.
9. air-conditioner according to claim 8 control method it is characterised in that
Described electric expansion valve is provided with opening adjusting device, for adjusting the aperture of described electric expansion valve, so that described
One aperture and described second aperture meet the required coolant quantity under different running statuses of described air-conditioner.
10. the air-conditioner according to any one of claim 6 to 9 control method it is characterised in that
Described indoor heat exchanger is condenser, and described outdoor heat exchanger is vaporizer.
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| CN109269134A (en) * | 2018-09-12 | 2019-01-25 | 珠海格力电器股份有限公司 | Heat-exchange system and heat-exchange system control method |
| CN109469971A (en) * | 2018-11-13 | 2019-03-15 | 珠海格力电器股份有限公司 | Heat-production control method and air-conditioner control system |
| CN110542190A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | operation control method, operation control device, air conditioner, and storage medium |
| CN111351182A (en) * | 2018-12-24 | 2020-06-30 | 珠海格力电器股份有限公司 | Refrigerant adjusting method and device and air conditioning system |
| CN112923518A (en) * | 2021-02-04 | 2021-06-08 | 海信（山东）空调有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
| CN113513818A (en) * | 2021-05-12 | 2021-10-19 | 宁波奥克斯电气股份有限公司 | Air conditioner indoor unit control method, air conditioner and computer readable storage medium |
| CN114440392A (en) * | 2022-02-25 | 2022-05-06 | 海信（山东）空调有限公司 | Air conditioner and air conditioner control method |
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| CN113513818A (en) * | 2021-05-12 | 2021-10-19 | 宁波奥克斯电气股份有限公司 | Air conditioner indoor unit control method, air conditioner and computer readable storage medium |
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Application publication date: 20170201 |