CN108253565A - Air conditioner and its control method and control device - Google Patents

Air conditioner and its control method and control device Download PDF

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Publication number
CN108253565A
CN108253565A CN201810005341.6A CN201810005341A CN108253565A CN 108253565 A CN108253565 A CN 108253565A CN 201810005341 A CN201810005341 A CN 201810005341A CN 108253565 A CN108253565 A CN 108253565A
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CN
China
Prior art keywords
air conditioner
way valve
heat exchanger
compressor
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.)
Granted
Application number
CN201810005341.6A
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Chinese (zh)
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CN108253565B (en
Inventor
周雷
张燕
张武军
赵夫峰
刘亚军
黄程军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201810005341.6A priority Critical patent/CN108253565B/en
Publication of CN108253565A publication Critical patent/CN108253565A/en
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Publication of CN108253565B publication Critical patent/CN108253565B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0003Exclusively-fluid systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022Compressor control arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a kind of air conditioner and its control method and control device, the control method includes the following steps:After air conditioner heat-production shuts down, control four-way valve commutates, and the indoor fan of air conditioner is controlled to be closed;Judge whether four-way valve commutates completion;If four-way valve commutation is completed, compressor start is controlled, flows through indoor heat exchanger by the liquid refrigerants of throttle part to control, so that indoor heat exchanger is in synchronous cooling state with indoor unit shell.The control method of the present invention, can be effectively improved air conditioner in shutdown process heat, because of the shrinkage of heat expansion and the indoor unit shell of indoor heat exchanger, cause inside and outside friction and Extrusion is sent out between parts abnormal sound.

Description

Air conditioner and its control method and control device
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air conditioner and its control method and control device.
Background technology
Existing air conditioner is expanding with heat and contract with cold of solving the problems, such as to occur in operational process, it will usually in air conditioner wind outlet surrounding Key position paste the materials such as sponge, flannelette or adhesive tape, to carry out the blocking between parts, prevent air conditioner from running There is the abnormal sound caused by parts expand with heat and contract with cold rate difference in the early period of startup and postboost later stage.But it if pastes Material occur to loosen and either infrequently replace or other reasons, still will appear the problem of expanding with heat and contract with cold.
Invention content
One of the technical issues of the present invention is directed at least solve to a certain extent in above-mentioned technology.For this purpose, the present invention First purpose be to propose a kind of control method of air conditioner, can be effectively improved air conditioner in shutdown process is heated, because The heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell lead to the abnormal sound that friction and Extrusion is sent out between inside and outside parts.
Second object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
Third object of the present invention is to propose a kind of air conditioner.
Fourth object of the present invention is to propose a kind of control device of air conditioner.
The 5th purpose of the present invention is to propose another air conditioner.
In order to achieve the above objectives, the control method for a kind of air conditioner that first aspect present invention embodiment proposes, the sky Device is adjusted to include compressor, four-way valve, outdoor heat exchanger, indoor heat exchanger and throttle part, the exhaust outlet of the compressor and institute The first end for stating four-way valve is connected, and the second end of the four-way valve is connected with one end of the indoor heat exchanger, and the interior is changed The other end of hot device is connected with one end of the throttle part, the other end of the throttle part and the one of the outdoor heat exchanger End is connected, and the other end of the outdoor heat exchanger is connected with the third end of the four-way valve, the 4th end of the four-way valve and institute The gas returning port for stating compressor is connected, and the control method includes the following steps:After the air conditioner heat-production shuts down, described in control Four-way valve commutates, and the indoor fan of the air conditioner is controlled to be closed;Judge whether the four-way valve commutates It completes;If the four-way valve commutation is completed, the compressor start is controlled, to control the liquid by the throttle part Refrigerant flows through the indoor heat exchanger, so that the indoor heat exchanger is in synchronous cooling state with indoor unit shell.
The control method of air conditioner according to embodiments of the present invention, after air conditioner heat-production shuts down, control four-way valve carries out Commutation, and controls the indoor fan of air conditioner to be closed, and judges whether four-way valve commutates completions, if four-way valve commutation It completes, then controls compressor start, flow through indoor heat exchanger by the liquid refrigerants of throttle part to control, so that indoor heat exchange Device is in synchronous cooling state with indoor unit shell.This method can be effectively improved air conditioner in shutdown process is heated as a result, Because of the shrinkage of heat expansion and the indoor unit shell of indoor heat exchanger, lead to the abnormal sound that friction and Extrusion is sent out between inside and outside parts.
In addition, the control method of air conditioner proposed according to the above embodiment of the present invention can also have following additional skill Art feature:
According to one embodiment of present invention, in the start-up course of the compressor, the room of the air conditioner is also controlled Outer wind turbine is closed, and the indoor fan is controlled to remain off.
According to one embodiment of present invention, after the compressor start runs preset time, the compressor is controlled It is out of service, and the four-way valve is controlled to commutate again, to restore to original state.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of non-transitory computer-readable storage medium Matter is stored thereon with computer program, which realizes the control method of above-mentioned air conditioner when being executed by processor.
The non-transitorycomputer readable storage medium of the embodiment of the present invention, by the controlling party for performing above-mentioned air conditioner Method can be effectively improved air conditioner in shutdown process is heated, and because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, lead The abnormal sound that friction and Extrusion is sent out between parts inside and outside cause.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of air conditioner, and the air conditioner includes pressure Contracting machine, four-way valve, outdoor heat exchanger, indoor heat exchanger and throttle part, the exhaust outlet of the compressor and the four-way valve First end is connected, and the second end of the four-way valve is connected with one end of the indoor heat exchanger, the indoor heat exchanger it is another End is connected with one end of the throttle part, and the other end of the throttle part is connected with one end of the outdoor heat exchanger, institute The other end for stating outdoor heat exchanger is connected with the third end of the four-way valve, the 4th end and the compressor of the four-way valve Gas returning port is connected, and the air conditioner further includes memory, processor and is stored on the memory and can be in the processor The control program of the air conditioner of upper operation, the control program of the air conditioner realize above-mentioned air-conditioning when being performed by the processor The step of control method of device.
The air conditioner of the embodiment of the present invention can be effectively improved air conditioner in shutdown process is heated, because of indoor heat exchanger Heat expansion and indoor unit shell shrinkage, lead to the abnormal sound that friction and Extrusion is sent out between inside and outside parts.
In order to achieve the above objectives, fourth aspect present invention embodiment proposes a kind of control device of air conditioner, the sky Device is adjusted to include compressor, four-way valve, outdoor heat exchanger, indoor heat exchanger and throttle part, the exhaust outlet of the compressor and institute The first end for stating four-way valve is connected, and the second end of the four-way valve is connected with one end of the indoor heat exchanger, and the interior is changed The other end of hot device is connected with one end of the throttle part, the other end of the throttle part and the one of the outdoor heat exchanger End is connected, and the other end of the outdoor heat exchanger is connected with the third end of the four-way valve, the 4th end of the four-way valve and institute The gas returning port for stating compressor is connected, and the control device includes:Control module, for after air conditioner heat-production shutdown, controlling It makes the four-way valve to commutate, and the indoor fan of the air conditioner is controlled to be closed;Judgment module, for judging Whether the four-way valve commutates completion;The control module is additionally operable to, and the compression is controlled when the four-way valve commutates and completes Machine starts, and the indoor heat exchanger is flowed through by the liquid refrigerants of the throttle part to control, so that the indoor heat exchanger Synchronous cooling state is in indoor unit shell.
The control device of air conditioner according to embodiments of the present invention, after air conditioner heat-production shutdown, control module control four Port valve commutates, and the indoor fan of air conditioner is controlled to be closed, and judges whether four-way valve changes by judgment module To completion, when controlling compressor start when four-way valve commutates and completes, the liquid refrigerants of throttle part is passed through in control module control Indoor heat exchanger is flowed through, so that indoor heat exchanger is in synchronous cooling state with indoor unit shell.The device can be effective as a result, Improve air conditioner in shutdown process is heated, because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, cause zero inside and outside The abnormal sound that friction and Extrusion is sent out between part.
In addition, the control device of air conditioner proposed according to the above embodiment of the present invention can also have following additional skill Art feature:
According to one embodiment of present invention, in the start-up course of the compressor, the control module is additionally operable to control The outdoor fan for making the air conditioner is closed, and the indoor fan is controlled to remain off.
According to one embodiment of present invention, after the compressor start runs preset time, the control module is also For controlling the compressor out of service, and the four-way valve is controlled to commutate again, to restore to original state.
In order to achieve the above objectives, fifth aspect present invention embodiment proposes a kind of air conditioner, including above-mentioned air-conditioning The control device of device.
The air conditioner of the embodiment of the present invention by the control device of above-mentioned air conditioner, can be effectively improved air conditioner and exist It heats in shutdown process, because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, friction is crowded between leading to inside and outside parts The abnormal sound that pressure goes out.
Description of the drawings
Fig. 1 is the structure diagram of air conditioner according to an embodiment of the invention;
Fig. 2 is the structure diagram of air conditioner in accordance with another embodiment of the present invention;
The structure diagram of four-way valve when Fig. 3 is air conditioner heat-production according to an embodiment of the invention;
Fig. 4 is the structure diagram after four-way valve commutation after air conditioner heat-production according to an embodiment of the invention shuts down;
Fig. 5 is the flow chart of the control method of air conditioner according to embodiments of the present invention;
Fig. 6 is the block diagram of the control device of air conditioner according to embodiments of the present invention.
Reference numeral:Compressor 1, fluid reservoir 2, four-way valve 3, four-way valve conduction pipe 4, outdoor heat exchanger 6, outdoor fan 7, Throttle part 8, indoor heat exchanger 9, indoor fan 10.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The air conditioner proposed according to embodiments of the present invention and its control method and control device described below in conjunction with the accompanying drawings.
In an embodiment of the present invention, as illustrated in fig. 1 and 2, air conditioner may include compressor 1, four-way valve 3, outdoor heat exchange Device 6, indoor heat exchanger 9 and throttle part 8.Wherein, the exhaust outlet of compressor 1 is connected with the first end of four-way valve 3, four-way valve 3 Second end be connected with one end of indoor heat exchanger 9, the other end of indoor heat exchanger 9 is connected with one end of throttle part 8, throttling The other end of component 8 is connected with one end of outdoor heat exchanger 6, the other end of outdoor heat exchanger 6 and the third end phase of four-way valve 3 Even, the 4th end of four-way valve 3 is connected with the gas returning port of compressor 1.
When air conditioner is run with heating mode, as shown in figures 1 and 3, A/B conductings, the C/D conductings of four-way valve 3, from pressure A/B end of the high pressure gaseous refrigerant through four-way valve 3 that contracting machine 1 comes out gets in heat exchanger 9 and is exchanged heat and (release heat), High temperature and pressure gas-liquid two-phase mixture after heat exchange is by 8 reducing pressure by regulating flow of throttle part, the low-temp low-pressure gas-liquid after reducing pressure by regulating flow Two-phase mixtures body enters outdoor heat exchanger 6 and is exchanged heat and (absorb heat), and the low-temp low-pressure gaseous coolant after heat exchange is through four-way valve 3 C/D ends return to compressor 1.
After air conditioner heat-production shutdown, indoor heat exchanger 9 is in the condition of high temperature, and waste heat is to external diffusion, kernel (indoor heat exchange Device) in thermal expansion state, air-conditioner shell (indoor unit casing) environment disposed within, since indoor environment temperature is relatively low, shell Body is in the holding state of shrinkage, it is easy to there is the shrinkage because of housing and the thermal expansion of kernel, and inside and outside causing between parts Friction and Extrusion sends out abnormal sound.
To solve the above problems, the present invention proposes a kind of control method of air conditioner, it is right after air conditioner heat-production shutdown The four-way valve of air conditioner carries out commutation processing, without additionally increasing the materials such as sponge, flannelette, adhesive tape, improves air conditioner and is heating The sound that expands with heat and contract with cold of generation in shutdown process.
Fig. 5 is the flow chart of the control method of air conditioner according to embodiments of the present invention.As shown in figure 5, the present invention is implemented The control method of the air conditioner of example may include following steps:
S1, after air conditioner heat-production shuts down, control four-way valve commutates, and the indoor fan of air conditioner is controlled to be in and is closed Closed state.
S2 judges whether four-way valve commutates completion.
S3 if four-way valve commutation is completed, controls compressor start, to control the liquid refrigerant stream by throttle part Indoor heat exchanger is crossed, so that indoor heat exchanger is in synchronous cooling state with indoor unit shell.
According to one embodiment of present invention, in the start-up course of compressor, also at the outdoor fan of control air conditioner In closed state, and indoor fan is controlled to remain off.
Specifically, when air conditioner is run with heating mode, A/B conductings, the C/D conductings of four-way valve, as shown in figure 3, from The high pressure gaseous refrigerant that compressor comes out gets in heat exchanger through four-way valve D/C and exchanges heat, then through throttle part section Enter outdoor heat exchanger after stream decompression, after outdoor heat exchanger is exchanged heat, compressor is returned to by four-way valve A/B.
After air conditioner heat-production shutdown, commutation processing is carried out to the four-way valve of air conditioner, four-way valve D/A conductings, C/B are led Logical, as shown in Figure 2 and Figure 4, during commutation, indoor fan is closed.After the completion of four-way valve commutation, compression Machine starts operation, and during startup, control outdoor fan is closed.After compressor start operation, such as Fig. 2 institutes Show, the high pressure gaseous refrigerant come out from compressor first passes through outdoor heat exchanger and exchanges heat, and the gas-liquid two-phase after heat exchange mixes Zoarium makes liquid refrigerants be admitted to indoor heat exchanger after throttle part reducing pressure by regulating flow, and liquid refrigerants absorbs indoor unit heat exchange The waste heat of device so as to eliminate nuclear heat source in air conditioner, makes kernel synchronous with housing in the state of cooling, and without additionally increasing The materials such as sponge, flannelette, adhesive tape effectively improve the sound that expands with heat and contract with cold of generation of the air conditioner in shutdown process is heated.
Further, according to one embodiment of present invention, after compressor start runs preset time, compressor is controlled It is out of service, and four-way valve is controlled to commutate again, to restore to original state.Wherein, preset time can according to actual conditions into Rower is determined.
It is completed that is, commutating in four-way valve, after compressor start operation a period of time, indoor heat exchanger and indoor unit Shell is in synchronous cooling state, eliminates the heat source of indoor heat exchanger, is not in the sound that expands with heat and contract with cold, and control compressor stops Operation, and four-way valve is controlled to commutate again, restore to four-way valve D/C conductings, A/B conductings during original state, i.e. heating operation, with Air conditioner is made normally to heat, meets user demand.
In conclusion the control method of air conditioner according to embodiments of the present invention, after air conditioner heat-production shuts down, control four Port valve commutates, and the indoor fan of air conditioner is controlled to be closed, and judges whether four-way valve commutates completion, if four Port valve commutation is completed, then controls compressor start, flows through indoor heat exchanger by the liquid refrigerants of throttle part to control, so that Indoor heat exchanger is in synchronous cooling state with indoor unit shell.This method can be effectively improved air conditioner and be closed in heating as a result, During machine, because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, friction and Extrusion is sent out between leading to inside and outside parts Abnormal sound.
Corresponding above-described embodiment, the embodiment of the present invention also proposed a kind of non-transitorycomputer readable storage medium, Computer program is stored thereon with, which realizes the control method of above-mentioned air conditioner when being executed by processor.
The non-transitorycomputer readable storage medium of the embodiment of the present invention, by the controlling party for performing above-mentioned air conditioner Method can be effectively improved air conditioner in shutdown process is heated, and because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, lead The abnormal sound that friction and Extrusion is sent out between parts inside and outside cause.
Corresponding above-described embodiment, the embodiment of the present invention also proposed a kind of air conditioner, and air conditioner includes compressor, four-way Valve, outdoor heat exchanger, indoor heat exchanger and throttle part, the exhaust outlet of compressor are connected with the first end of four-way valve, four-way valve Second end be connected with one end of indoor heat exchanger, the other end of indoor heat exchanger is connected with one end of throttle part, throttle The other end of part is connected with one end of outdoor heat exchanger, and the other end of outdoor heat exchanger is connected with the third end of four-way valve, four-way 4th end of valve is connected with the gas returning port of compressor, and air conditioner further includes memory, processor and storage on a memory and can The control program of the air conditioner run on a processor, the control program of air conditioner realize above-mentioned air-conditioning when being executed by processor The step of control method of device.
The air conditioner of the embodiment of the present invention can be effectively improved air conditioner in shutdown process is heated, because of indoor heat exchanger Heat expansion and indoor unit shell shrinkage, lead to the abnormal sound that friction and Extrusion is sent out between inside and outside parts.
Fig. 6 is the block diagram of the control device of air conditioner according to embodiments of the present invention.
In one embodiment of the invention, air conditioner may include that compressor 1, four-way valve 3, outdoor heat exchanger 6, interior are changed Hot device 9 and throttle part 8.Wherein, the exhaust outlet of compressor 1 is connected with the first end of four-way valve 3, the second end of four-way valve 3 with One end of indoor heat exchanger 9 is connected, and the other end of indoor heat exchanger 9 is connected with one end of throttle part 8, throttle part 8 it is another One end is connected with one end of outdoor heat exchanger 6, and the other end of outdoor heat exchanger 6 is connected with the third end of four-way valve 3, four-way valve 3 The 4th end be connected with the gas returning port of compressor 1.
As shown in fig. 6, the control device of the air conditioner may include:Control module 200 and judgment module 100.
Wherein, control module 200 is used for after air conditioner heat-production shutdown, and control four-way valve 3 commutates, and control air-conditioning The indoor fan 10 of device is closed.Judgment module 100 is for judging whether four-way valve 3 commutates completion.Control module 200 It is additionally operable to, when four-way valve 3 commutates completion, control compressor 1 starts, and is flowed through with controlling by the liquid refrigerants of throttle part 8 Indoor heat exchanger 9, so that indoor heat exchanger 9 is in synchronous cooling state with indoor unit shell.
According to one embodiment of present invention, in the start-up course of compressor 1, it is empty that control module 200 is additionally operable to control The outdoor fan 7 of device is adjusted to be closed, and indoor fan 10 is controlled to remain off.
According to one embodiment of present invention, after compressor 1 starts operation preset time, control module 200 is additionally operable to It controls compressor 1 out of service, and four-way valve 3 is controlled to commutate again, to restore to original state.
It should be noted that the details not disclosed in the control device of the air conditioner of the embodiment of the present invention, please refers to this hair Details disclosed in the control method of the air conditioner of bright embodiment, specific which is not described herein again.
The control device of air conditioner according to embodiments of the present invention, after air conditioner heat-production shutdown, control module control four Port valve commutates, and the indoor fan of air conditioner is controlled to be closed, and judges whether four-way valve changes by judgment module To completion, when controlling compressor start when four-way valve commutates and completes, the liquid refrigerants of throttle part is passed through in control module control Indoor heat exchanger is flowed through, so that indoor heat exchanger is in synchronous cooling state with indoor unit shell.The device can be effective as a result, Improve air conditioner in shutdown process is heated, because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, cause zero inside and outside The abnormal sound that friction and Extrusion is sent out between part.
Above-described embodiment is compareed, the invention also provides a kind of air conditioners, include the control device of above-mentioned air conditioner.
The air conditioner of the embodiment of the present invention by the control device of above-mentioned air conditioner, can be effectively improved air conditioner and exist It heats in shutdown process, because of the heat expansion of indoor heat exchanger and the shrinkage of indoor unit shell, friction is crowded between leading to inside and outside parts The abnormal sound that pressure goes out.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments " The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the different embodiments or examples described in this specification and the feature of different embodiments or examples It closes and combines.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include Module, segment or the portion of the code of the executable instruction of one or more the step of being used to implement custom logic function or process Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, to perform function, this should be of the invention Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction The system of row system, device or equipment instruction fetch and execute instruction) it uses or combines these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment It puts.The more specific example (non-exhaustive list) of computer-readable medium is including following:Electricity with one or more wiring Connecting portion (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used Any one of art or their combination are realized:With for data-signal realize logic function logic gates from Logic circuit is dissipated, the application-specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium In matter, the program when being executed, one or a combination set of the step of including embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also That each unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as Fruit is realized in the form of software function module and is independent product sale or in use, can also be stored in a computer In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although it has been shown and retouches above The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention System, those of ordinary skill in the art can be changed above-described embodiment, change, replace and become within the scope of the invention Type.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or Position relationship is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be that machinery connects It connects or is electrically connected;It can be directly connected, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature right over second feature or oblique upper or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward or is merely representative of fisrt feature level height less than second feature.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (9)

1. a kind of control method of air conditioner, which is characterized in that the air conditioner include compressor, four-way valve, outdoor heat exchanger, Indoor heat exchanger and throttle part, the exhaust outlet of the compressor are connected with the first end of the four-way valve, the four-way valve Second end is connected with one end of the indoor heat exchanger, one end phase of the other end of the indoor heat exchanger and the throttle part Even, the other end of the throttle part is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger and institute The third end for stating four-way valve is connected, and the 4th end of the four-way valve is connected with the gas returning port of the compressor, the control method Include the following steps:
After the air conditioner heat-production shuts down, the four-way valve is controlled to commutate, and control the indoor fan of the air conditioner It is closed;
Judge whether the four-way valve commutates completion;
If the four-way valve commutation is completed, the compressor start is controlled, to control the liquid by the throttle part Refrigerant flows through the indoor heat exchanger, so that the indoor heat exchanger is in synchronous cooling state with indoor unit shell.
2. the control method of air conditioner as described in claim 1, which is characterized in that in the start-up course of the compressor, The outdoor fan of the air conditioner is also controlled to be closed, and the indoor fan is controlled to remain off.
3. the control method of air conditioner as claimed in claim 1 or 2, which is characterized in that when compressor start operation is pre- If after the time, controlling the compressor out of service, and the four-way valve is controlled to commutate again, to restore to original state.
4. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program quilt The control method of the air conditioner as described in any one of claim 1-3 is realized when processor performs.
5. a kind of air conditioner, which is characterized in that the air conditioner includes compressor, four-way valve, outdoor heat exchanger, indoor heat exchanger And throttle part, the exhaust outlet of the compressor are connected with the first end of the four-way valve, the second end of the four-way valve and institute The one end for stating indoor heat exchanger is connected, and the other end of the indoor heat exchanger is connected with one end of the throttle part, the section The other end of stream unit is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger and the four-way valve Third end is connected, and the 4th end of the four-way valve is connected with the gas returning port of the compressor, the air conditioner further include memory, Processor and the control program for being stored in the air conditioner that can be run on the memory and on the processor, the air conditioner Control program the control method of air conditioner as described in any one of claim 1-3 is realized when being performed by the processor Step.
6. a kind of control device of air conditioner, which is characterized in that the air conditioner include compressor, four-way valve, outdoor heat exchanger, Indoor heat exchanger and throttle part, the exhaust outlet of the compressor are connected with the first end of the four-way valve, the four-way valve Second end is connected with one end of the indoor heat exchanger, one end phase of the other end of the indoor heat exchanger and the throttle part Even, the other end of the throttle part is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger and institute The third end for stating four-way valve is connected, and the 4th end of the four-way valve is connected with the gas returning port of the compressor, the control device Including:
Control module, for after air conditioner heat-production shutdown, the four-way valve being controlled to commutate, and control the air-conditioning The indoor fan of device is closed;
Judgment module, for judging whether the four-way valve commutates completion;
The control module is additionally operable to, and the compressor start is controlled when the four-way valve commutates and completes, to control by institute The liquid refrigerants for stating throttle part flows through the indoor heat exchanger, so that the indoor heat exchanger is in synchronous with indoor unit shell The state of cooling.
7. the control device of air conditioner as claimed in claim 6, which is characterized in that in the start-up course of the compressor, The control module is additionally operable to that the outdoor fan of the air conditioner is controlled to be closed, and the indoor fan is controlled to keep Closed state.
8. the control device of air conditioner as claimed in claims 6 or 7, which is characterized in that when compressor start operation is pre- If after the time, the control module is additionally operable to control the compressor out of service, and the four-way valve is controlled to commutate again, with Restore to original state.
9. a kind of air conditioner, which is characterized in that include the control device of the air conditioner as described in any one of claim 6-8.
CN201810005341.6A 2018-01-03 2018-01-03 Air conditioner and control method and control device thereof Active CN108253565B (en)

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CN106352629A (en) * 2016-08-22 2017-01-25 珠海格力电器股份有限公司 Air conditioner and bypass heating defrosting control method thereof
CN107504640A (en) * 2017-08-21 2017-12-22 广东美的制冷设备有限公司 Air-conditioning system, air conditioner and refrigerant recovering control method

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CN113007869B (en) * 2021-03-22 2022-04-29 四川长虹空调有限公司 Method for testing abnormal sound of air conditioner indoor unit caused by thermal expansion and cold contraction

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