CN106440215A - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

Info

Publication number
CN106440215A
CN106440215A CN201610876831.4A CN201610876831A CN106440215A CN 106440215 A CN106440215 A CN 106440215A CN 201610876831 A CN201610876831 A CN 201610876831A CN 106440215 A CN106440215 A CN 106440215A
Authority
CN
China
Prior art keywords
air
conditioner
heat exchanger
control
compressor
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.)
Pending
Application number
CN201610876831.4A
Other languages
Chinese (zh)
Inventor
鲁健
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.)
Midea Group Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Wuhu Meizhi Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201610876831.4A priority Critical patent/CN106440215A/en
Publication of CN106440215A publication Critical patent/CN106440215A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • 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
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • 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
    • F25B39/00Evaporators; Condensers
    • F25B39/04Condensers

Abstract

The invention provides an air conditioner and a control method thereof. The air conditioner comprises a compressor, a first heat exchanger, a second heat exchanger, a four-way valve, a first control component, a gas-liquid separator and a second control component, wherein the four-way valve communicates with one end of the first heat exchanger and one end of the second heat exchanger; the first control component communicates with the other end of the first heat exchanger and the other end of the second heat exchanger; the gas-liquid separator is connected between the four-way valve and an air inlet of the compressor; and the second control component is connected between the four-way valve and an air outlet of the compressor. When the air conditioner which is in a refrigerating mode stops, the first control component is in a closing state, the compressor stops working after a first preset time, the first control component and the second control component control a refrigerant discharged from the compressor to be in the first heat exchanger, when the air conditioner starts, the first control component is in a starting state, and the compressor begins to run. By the air conditioner provided by the invention, quick refrigerating is realized in a starting stage, energy loss is reduced, and use satisfaction of a user is improved.

Description

Air-conditioner and the control method of air-conditioner
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
As air-conditioner comfort level requirement is increased by consumer, generally it is desirable to air-conditioner on startup can be in short-term Interior quick blowout cool breeze, reaches the effect that indoor temperature declines rapidly.Air-conditioner of the prior art in start-up course by In the migration of refrigerant, making the refrigerant possessing refrigerating capacity in start-up course considerably less, energy cannot get effectively utilizing, and causes A large amount of losses of energy, and when air-conditioner is restarted after a shutdown, need a very long time to set up system pressure difference and conjunction Reason distribution refrigerant, causes the refrigerating capacity when firm start seriously delayed, and refrigerating speed is slow, it is impossible to meet user quick to indoor temperature The demand declining.
Content of the invention
It is contemplated that at least solve one of technical problem present in prior art or correlation technique.
To this end, it is an object of the present invention to propose a kind of air-conditioner.
Further object is that the control method proposing a kind of air-conditioner.
In view of this, according to one object of the present invention, it is proposed that a kind of air-conditioner, including:Compressor;First heat exchange Device;Second heat exchanger;Cross valve, is connected with one end of First Heat Exchanger and one end of the second heat exchanger;First control parts, It is connected with the other end of First Heat Exchanger and the other end of the second heat exchanger;Gas-liquid separator, is connected to cross valve and compression Between the air inlet of machine;Second control parts, are connected between cross valve and the exhaust outlet of compressor;Wherein, at air-conditioner When refrigeration mode, when air-conditioner is shut down, the first control parts are closed mode, and compressor stops after the first preset duration The refrigerant that compressor is discharged is controlled in First Heat Exchanger by work, the first control parts and the second control parts, works as air-conditioner During start, the first control parts are opening, and compressor starts is run.
The air-conditioner that the present invention provides, by arranging the second control parts between the exhaust outlet of compressor and cross valve, When air-conditioner is when refrigeration mode is shut down, the first control parts are closed mode, and compressor stops work after the first preset duration Make, by the refrigerant row in system to First Heat Exchanger, by the first control parts and the second control parts, refrigerant centralized Control is existed In First Heat Exchanger, make refrigerant cannot migrate to the second heat exchanger, and then when air-conditioner is started shooting, the first control parts opened, Compressor starts is run, and now, there is pressure differential due in system, enables the refrigerant being controlled in First Heat Exchanger quick Is migrated to the second heat exchanger by the first control parts so that the cold medium flux in the second heat exchanger increases rapidly, beneficially with The abundant heat exchange of indoor environment, is capable of fast-refrigerating, is effectively improved refrigerating efficiency, and reduces the energy consumption of start-up phase Loss, and then meet the satisfaction that indoor temperature rapid decrease the demand reaching comfort level scope, raising user are used by user Degree.Simultaneously as there is pressure differential in air-conditioner start-up phase system, the beneficially liquids and gases in system are quick, suitable Smooth circulation, and reduce the load of compressor, and then the system of air-conditioner can be made to be rapidly achieved stable state, and efficiently transport OK, effectively freeze and save the energy, meeting the satisfaction that user uses further.
According to the above-mentioned air-conditioner of the present invention, can also have techniques below feature:
In technique scheme, it is preferable that the second control parts are check valve.
In this technical scheme, the second control parts are check valve, and refrigerant can be made to be moved smoothly by exhaust outlet of compressor Move to First Heat Exchanger, and avoid backflowing of refrigerant, be conducive to when air-conditioner is shut down, control parts with first and combine cold Matchmaker closely controls cannot outflow in First Heat Exchanger, and then can have in ensure that air-conditioner start-up phase the second heat exchanger Sufficient refrigerant, it is to avoid cold medium shortage in start-up phase the second heat exchanger and can not fast-refrigerating, make the air-conditioner on start rank Section is run with bigger refrigerating capacity, startup stage the short time in rapid blowing cold air, be effectively improved refrigerating efficiency, and save Energy consumption, disclosure satisfy that the demand at short notice to indoor temperature comfort level for the user, improves the satisfaction that user uses.
In technique scheme, it is preferable that the first control parts are electric expansion valve, the closed mode of electric expansion valve Being 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 first control parts are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs The flow of joint refrigerant, 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 demand to coolant quantity for the system when opening of the second aperture disclosure satisfy that air-conditioner is started shooting, makes the coolant quantity in system and sky The running status adjusting device matches, and is conducive to quickly, being reasonably distributed coolant quantity, and then makes system stability, effectively freezes, joint The about energy, improves refrigerating efficiency, improves the satisfaction that user uses.Further, the first control parts can require for meeting Other control parts.
It in technique scheme, it is preferable that electric expansion valve is provided with opening adjusting device, is used for regulating electronic expansion The aperture of valve, so that the first aperture and the second aperture meet air-conditioner coolant quantity required under different running statuses.
In this technical scheme, electric expansion valve is provided with opening adjusting device, for regulating the aperture of electric expansion valve, So that the first aperture and the second aperture meet air-conditioner coolant quantity required under different running statuses.Further, first The closed mode of aperture is completely closed state, on the one hand, after making air-conditioner shut down, the refrigerant in system is concentrated, efficiently controlled In First Heat Exchanger, be conducive to improving refrigerating efficiency during air-conditioner start, disclosure satisfy that the demand of user's fast-refrigerating, carry The satisfaction that high user uses;On the one hand, the opening of the second aperture is for starting shooting what the system run matched with air-conditioner Aperture, makes air-conditioner when start, can set up bigger pressure reduction, and gas, liquid beneficially in system quickly 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 any of the above-described technical scheme, it is preferable that First Heat Exchanger is condenser, the second heat exchanger is evaporimeter.
In this technical scheme, First Heat Exchanger is condenser, and the second heat exchanger is evaporimeter, makes through compressor air-discharging The refrigerant of the HTHP that mouth is discharged migrates to condenser, and after air-conditioner is shut down, is controlled by the first control parts and second Component controls within the condenser, becomes the refrigerant of middle temperature high pressure after condenser suction is cold, and after air-conditioner is started shooting, through first The regulation of control parts, becomes the refrigerant of low-temp low-pressure and flows to evaporimeter, and beneficially evaporimeter absorbs rapidly heat and gets rid of Cold, make indoor temperature reduce rapidly, and then realize refrigeration purpose, meet simultaneously user air-conditioner unlatching after short In time can fast-refrigerating the requirement reaching comfort level, and then improve user use satisfaction.
According to another object of the present invention, it is proposed that the control method of a kind of air-conditioner, air-conditioner is first purpose Described air-conditioner, the control method of air-conditioner includes:When air-conditioner is in refrigeration mode, when receiving halt instruction, Control the first control parts are closed mode, and control compressor and quit work after the first preset duration, so that the first control Parts and the second control parts control the refrigerant that compressor is discharged in First Heat Exchanger;When receiving open command, control System the first control parts are opening, and control compressor starts operation.
The control method of the tune device that the present invention provides, is in refrigeration mode at air-conditioner, when receiving halt instruction, and control System the first control parts are closed mode, and control compressor and quit work after the first preset duration, so that the first control unit Part and the second control parts control the refrigerant that compressor is discharged in First Heat Exchanger;When receiving open command, control First control parts are opening, and control compressor starts operation, now, there is pressure differential due in system, make controlled Make the refrigerant in First Heat Exchanger to migrate to the second heat exchanger quickly through the first control parts so that the second heat exchanger In cold medium flux increase rapidly, be conducive to the abundant heat exchange with indoor environment, be capable of fast-refrigerating, be effectively improved system Cold efficiency, and reduce the energy loss of start-up phase, and then meet user and to indoor temperature rapid decrease and reach comfort level The demand of scope, improves the satisfaction that user uses.Simultaneously as there is pressure differential in air-conditioner start-up phase system, have It is beneficial to that the liquids and gases in system are quick, circulates smoothly, and reduce the load of compressor, and then air-conditioner can be made System is rapidly achieved stable state, and Effec-tive Function, effectively freezes and saves the energy, meets the satisfaction that user uses further Degree.
In technique scheme, it is preferable that the second control parts are check valve.
In this technical scheme, the second control parts are check valve, and refrigerant can be made to be moved smoothly by exhaust outlet of compressor Move to First Heat Exchanger, and avoid backflowing of refrigerant, be conducive to when air-conditioner is shut down, control parts with first and combine cold Matchmaker closely controls cannot outflow in First Heat Exchanger, and then can have in ensure that air-conditioner start-up phase the second heat exchanger Sufficient refrigerant, it is to avoid cold medium shortage in start-up phase the second heat exchanger and can not fast-refrigerating, make the air-conditioner on start rank Section is run with bigger refrigerating capacity, startup stage the short time in rapid blowing cold air, be effectively improved refrigerating efficiency, and save Energy consumption, disclosure satisfy that the demand at short notice to indoor temperature comfort level for the user, improves the satisfaction that user uses.
In technique scheme, it is preferable that the first control parts are electric expansion valve, the closed mode of electric expansion valve Being 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 first control parts are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs The flow of joint refrigerant, 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 demand to coolant quantity for the system when opening of the second aperture disclosure satisfy that air-conditioner is started shooting, makes the coolant quantity in system and sky The running status adjusting device matches, and is conducive to quickly, being reasonably distributed coolant quantity, and then makes system stability, effectively freezes, joint The about energy, improves refrigerating efficiency, improves the satisfaction that user uses.Further, the first control parts can require for meeting Other control parts.
It in technique scheme, it is preferable that electric expansion valve is provided with opening adjusting device, is used for regulating electronic expansion The aperture of valve, so that the first aperture and the second aperture meet air-conditioner coolant quantity required under different running statuses.
In this technical scheme, electric expansion valve is provided with opening adjusting device, for regulating the aperture of electric expansion valve, So that the first aperture and the second aperture meet air-conditioner coolant quantity required under different running statuses.Further, first The closed mode of aperture is completely closed state, on the one hand, after making air-conditioner shut down, the refrigerant in system is concentrated, efficiently controlled In First Heat Exchanger, be conducive to improving refrigerating efficiency during air-conditioner start, disclosure satisfy that the demand of user's fast-refrigerating, carry The satisfaction that high user uses;On the one hand, the opening of the second aperture is for starting shooting what the system run matched with air-conditioner Aperture, makes air-conditioner when start, can set up bigger pressure reduction, and gas, liquid beneficially in system quickly 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 any of the above-described technical scheme, it is preferable that First Heat Exchanger is condenser, the second heat exchanger is evaporimeter.
In this technical scheme, First Heat Exchanger is condenser, and the second heat exchanger is evaporimeter, makes through compressor air-discharging The refrigerant of the HTHP that mouth is discharged migrates to condenser, and after air-conditioner is shut down, is controlled by the first control parts and second Component controls within the condenser, becomes the refrigerant of middle temperature high pressure after condenser suction is cold, and after air-conditioner is started shooting, through first The regulation of control parts, becomes the refrigerant of low-temp low-pressure and flows to evaporimeter, and beneficially evaporimeter absorbs rapidly heat and gets rid of Cold, make indoor temperature reduce rapidly, and then realize refrigeration purpose, meet simultaneously user air-conditioner unlatching after short In time can fast-refrigerating the requirement reaching comfort level, and then improve user use satisfaction.
The additional aspect of the present invention and advantage will become obvious in following description part, or by the practice of the present invention Recognize.
Brief description
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the description to embodiment for the accompanying drawings below and will become Obvious 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 First Heat Exchangers, 106 second heat exchangers, 108 cross valves, 110 first controls Parts, 112 gas-liquid separators, 114 second control parts.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the accompanying drawings and specifically in fact The present invention is further described in detail by mode of executing.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 detail in the following description in order to fully understand the present invention, but, the present invention also may be used Implementing to use other to be different from other modes described here, therefore, protection scope of the present invention is not limited to following public affairs The restriction of the specific embodiment opened.
As it is shown in figure 1, the embodiment of first aspect present invention, a kind of air-conditioner 100 is proposed, including:Compressor 102;The One heat exchanger 104;Second heat exchanger 106;Cross valve 108, with one end of First Heat Exchanger 104 and the second heat exchanger 106 End is connected;First control parts 110, are connected with the other end of First Heat Exchanger 104 and the other end of the second heat exchanger 106 Logical;Gas-liquid separator 112, is connected between cross valve 108 and the air inlet of compressor 102;Second control parts 114, connect Between the exhaust outlet of cross valve 108 and compressor 102;Wherein, when air-conditioner 100 is in refrigeration mode, when air-conditioner 100 During shutdown, the first control parts 110 are closed mode, and compressor 102 quits work after the first preset duration, the first control unit The refrigerant that compressor 102 is discharged is controlled in First Heat Exchanger 104, when air-conditioner 100 by part 110 and the second control parts 114 During start, the first control parts 110 are opening, and compressor 102 brings into operation.
The air-conditioner 100 that the present invention provides, by arranging second between the exhaust outlet of compressor 102 and cross valve 108 Control parts 114, when air-conditioner 100 is when refrigeration mode is shut down, the first control parts 110 are closed mode, and compressor 102 exists Quit work after first preset duration, by the refrigerant row in system to First Heat Exchanger 104, by the first control parts 110 and the Refrigerant centralized Control in First Heat Exchanger 104, is made refrigerant cannot migrate to the second heat exchanger 106, enters by two control parts 114 And when air-conditioner 100 is started shooting, the first control parts 110 are opened, compressor 102 brings into operation, now, owing to existing in system Pressure differential, enables the refrigerant being controlled in First Heat Exchanger 104 quickly through the first control parts 110 to the second heat exchanger 106 migrate so that the cold medium flux in the second heat exchanger 106 increases rapidly, are conducive to indoor environment abundant heat exchange, Neng Goushi Existing fast-refrigerating, is effectively improved refrigerating efficiency, and reduces the energy loss of start-up phase, and then meets user to indoor Temperature rapid decrease the demand reaching comfort level scope, improve the satisfaction that user uses.Simultaneously as at air-conditioner 100 There is pressure differential in start-up phase system, the liquids and gases beneficially in system are quick, circulate smoothly, and reduce compression The load of machine 102, and then the system of air-conditioner 100 can be made to be rapidly achieved stable state, and Effec-tive Function, effectively freeze and save The about energy, meets the satisfaction that user uses further.
In one embodiment of the invention, it is preferable that the second control parts 114 are check valve.
In this embodiment, the second control parts 114 are check valve, and refrigerant can be made smooth and easy by compressor 102 exhaust outlet Migrate to First Heat Exchanger 104, and avoid backflowing of refrigerant, be conducive to when air-conditioner 100 is shut down, with the first control unit Part 110 is combined closely to control refrigerant and cannot be outflowed in First Heat Exchanger 104, and then ensure that air-conditioner 100 is started shooting rank Can have the refrigerant of abundance in section the second heat exchanger 106, it is to avoid cold medium shortage in start-up phase the second heat exchanger 106 and can not Fast-refrigerating, makes air-conditioner 100 run with bigger refrigerating capacity in start-up phase, startup stage the short time in rapidly blowout cold Wind, is effectively improved refrigerating efficiency, and has saved energy consumption, disclosure satisfy that user at short notice to indoor temperature comfort level Demand, improves the satisfaction that user uses.
In one embodiment of the invention, it is preferable that the first control parts 110 are electric expansion valve, electric expansion valve Closed mode be the closed mode of the first aperture, the opening of electric expansion valve is the opening of the second aperture.
In this embodiment, the first control parts 110 are electric expansion valve, and electric expansion valve can be adjusted according to pre-set programs The flow of joint refrigerant, and then the need to coolant quantity for system when making the closed mode of the first aperture disclosure satisfy that air-conditioner 100 is shut down Ask, the demand to coolant quantity for the system when opening of the second aperture disclosure satisfy that air-conditioner 100 is started shooting, make the refrigerant 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 Ground refrigeration, saves the energy, improves refrigerating efficiency, improves the satisfaction that user uses.Further, the first control parts 110 can Think other control parts meeting requirement.
In one embodiment of the invention, it is preferable that electric expansion valve is provided with opening adjusting device, it is used for regulating 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 regulating the aperture of electric expansion valve, with The first aperture and the second aperture is made to meet air-conditioner 100 coolant quantity required under different running statuses.Further, first The closed mode of aperture is completely closed state, on the one hand, after making air-conditioner 100 shut down, the refrigerant in system is concentrated, effectively Control, in First Heat Exchanger 104, is conducive to improving refrigerating efficiency when air-conditioner 100 is started shooting, disclosure satisfy that user quickly makes Cold demand, improves the satisfaction that user uses;On the one hand, the opening of the second aperture is for running with air-conditioner 100 start The aperture that matches of system, make air-conditioner 100 when start, bigger pressure reduction can be set up, gas beneficially in system, Liquid quickly circulates, and quickly, is reasonably distributed coolant quantity, and then enables a system to fast and stable, and effectively freezes, and improves and uses The satisfaction that family uses.
In one embodiment of the invention, it is preferable that First Heat Exchanger 104 is condenser, the second heat exchanger 106 is for steaming Send out device.
In this embodiment, First Heat Exchanger 104 is condenser, and the second heat exchanger 106 is evaporimeter, makes through compressor The refrigerant of the HTHP that 102 exhaust outlets are discharged migrates to condenser, and after air-conditioner 100 is shut down, by the first control parts 110 and second control parts 114 controls within the condenser, becomes the refrigerant of middle temperature high pressure, and work as air-conditioning after condenser suction is cold After device 100 start, through the regulation of the first control parts 110, become the refrigerant of low-temp low-pressure and migrate to evaporimeter, being conducive to Evaporimeter absorbs rapidly heat and gets rid of cold, makes the temperature of indoor reduce rapidly, and then realizes the purpose of refrigeration, meets simultaneously In short time after air-conditioner 100 unlatching for the user can fast-refrigerating the requirement reaching comfort level, and then improve user The satisfaction using.And the refrigerant in system is at the refrigerant becoming low-temp low-pressure after evaporimeter, flow after cross valve 108 To gas-liquid separator 112, after separating through gas-liquid separator 112, flow to compressor 102, recycle, effectively save The energy, and the stability of system can be kept, enable a system to abundant, effectively freeze, and then improve the satisfaction that user uses. Further, evaporimeter is indoor heat exchanger, and condenser is outdoor heat exchanger.
In a particular embodiment, owing to air-conditioner 100 refrigeration is to carry out heat exchange in fact by the refrigerant in heat exchanger and environment Existing, therefore, the effect to refrigeration for the flow of the effective refrigerant in heat exchanger plays deciding factor, and air-conditioning system is stopped every time Machine process, refrigerant all can migrate in system, the distribution of refrigerant when destroying air-conditioning system steady-state operation, and start process is also required to Re-establish the distribution of refrigerant, have a strong impact on the promptness of air conditioner refrigerating.And technical scheme, by compressor Arranging check valve between compressor 102 exhaust outlet of 102 and cross valve 108, when air-conditioning system refrigeration stable state is shut down, electronics is swollen Swollen valve is locked at once, reaches completely closed state, and compressor 102 is out of service after the first preset duration, due to compressor 102 Exhaust outlet is connected with check valve, and refrigerant can only migrate in condenser, and refrigerant is discharged in condenser by compressor 102 so that Refrigerant is locked within the condenser by electric expansion valve and check valve.When air-conditioner 100 system boot, rapidly by electric expansion valve Aperture gets to appropriate location, and at this moment owing to condenser and evaporimeter exist certain pressure reduction, the refrigerant in condenser can run through Enter evaporimeter after electric expansion valve throttling so that in evaporimeter, effective cold medium flux becomes big, in evaporimeter refrigerant can rapidly and Extraneous heat exchange, reaches the effect quickly blown a cold wind over, simultaneously because the pressure differential of condenser and evaporimeter so that system can be smooth and easy Operation, reduce compressor 102 open stage load, enable air-conditioning system to be rapidly achieved the state of stable refrigeration, system Can run fast and efficiently.
The embodiment of second aspect present invention provides the control method of a kind of air-conditioner, as in figure 2 it is shown, the reality of the present invention Execute the schematic flow sheet of the control method of the air-conditioner of example:
Step S12, when air-conditioner is in refrigeration mode, receives halt instruction;
Step S14, according to halt instruction, control the first control parts are closed mode, and it is pre-first to control compressor If quitting work after duration;
Step S16, receives the open command of air-conditioner;
Step S18, controlling the first control parts according to open command is opening, and controls compressor starts operation.
The control method of the tune device that the present invention provides, is in refrigeration mode at air-conditioner, when receiving halt instruction, and control System the first control parts are closed mode, and control compressor and quit work after the first preset duration, so that the first control unit Part and the second control parts control the refrigerant that compressor is discharged in First Heat Exchanger;When receiving open command, control First control parts are opening, and control compressor starts operation, now, there is pressure differential due in system, make controlled Make the refrigerant in First Heat Exchanger to migrate to the second heat exchanger quickly through the first control parts so that the second heat exchanger In cold medium flux increase rapidly, be conducive to the abundant heat exchange with indoor environment, be capable of fast-refrigerating, be effectively improved system Cold efficiency, and reduce the energy loss of start-up phase, and then meet user and to indoor temperature rapid decrease and reach comfort level The demand of scope, improves the satisfaction that user uses.Simultaneously as there is pressure differential in air-conditioner start-up phase system, have It is beneficial to that the liquids and gases in system are quick, circulates smoothly, and reduce the load of compressor, and then air-conditioner can be made System is rapidly achieved stable state, and Effec-tive Function, and then effectively freezes and save the energy, meets expiring of user's use further Meaning degree.Further, under air-conditioner refrigeration mode, by halt instruction and open command, the energy of the reception air-conditioner of circulation Enough make air-conditioner at start-up phase short time quick blowing cold air, meet the demand of user's fast-refrigerating, and indoor can be made Temperature is rapidly achieved the scope of users'comfort, improves the satisfaction that user uses.
In one embodiment of the invention, it is preferable that the second control parts are check valve.
In this embodiment, the second control parts are check valve, and refrigerant can be made to be migrated smoothly by exhaust outlet of compressor To First Heat Exchanger, and avoid backflowing of refrigerant, be conducive to when air-conditioner is shut down, combine refrigerant with the first control parts Closely control and cannot outflow in First Heat Exchanger, and then can have in ensure that air-conditioner start-up phase the second heat exchanger and fill The refrigerant of foot, it is to avoid cold medium shortage in start-up phase the second heat exchanger and can not fast-refrigerating, make air-conditioner in start-up phase Run with bigger refrigerating capacity, startup stage the short time in rapid blowing cold air, be effectively improved refrigerating efficiency, and save Energy consumption, disclosure satisfy that the demand at short notice to indoor temperature comfort level for the user, improves the satisfaction that user uses.
In one embodiment of the invention, it is preferable that the first 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 first control parts are electric expansion valve, and electric expansion valve can be regulated according to pre-set programs The flow of refrigerant, 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 demand to coolant quantity for the system when opening of two apertures disclosure satisfy that air-conditioner is started shooting, makes the coolant quantity in system and air-conditioning The running status of device matches, and is conducive to quickly, being reasonably distributed coolant quantity, and then makes system stability, effectively freezes, saves The energy, improves refrigerating efficiency, improves the satisfaction that user uses.Further, the first 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, it is used for regulating electricity The aperture of sub-expansion valve, so that the first aperture and the second aperture meet air-conditioner refrigerant required under different running statuses Amount.
In this embodiment, electric expansion valve is provided with opening adjusting device, for regulating the aperture of electric expansion valve, with The first aperture and the second aperture is made to meet air-conditioner coolant quantity required under different running statuses.Further, first open The closed mode of degree is completely closed state, on the one hand, after making air-conditioner shut down, the refrigerant in system is concentrated, is efficiently controlled in In First Heat Exchanger, be conducive to improving refrigerating efficiency during 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 when start, can set up bigger pressure reduction, and gas, liquid beneficially in system quickly 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 evaporimeter.
In this embodiment, First Heat Exchanger is condenser, and the second heat exchanger is evaporimeter, makes through exhaust outlet of compressor The refrigerant of the HTHP discharged migrates to condenser, and after air-conditioner is shut down, by the first control parts and the second control unit Part controls within the condenser, becomes the refrigerant of middle temperature high pressure after condenser suction is cold, and after air-conditioner is started shooting, through the first control The regulation of parts processed, becomes the refrigerant of low-temp low-pressure and flows to evaporimeter, and beneficially evaporimeter absorbs rapidly heat and gets rid of cold Amount, make indoor temperature reduce rapidly, and then realize refrigeration purpose, meet simultaneously user air-conditioner unlatching after in short-term Interior can fast-refrigerating the requirement reaching comfort level, and then improve user use satisfaction.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. Mean to combine this embodiment or specific features, structure, material or feature that example describes to be contained at least one of the present invention real Execute 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 embodiment 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, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. an air-conditioner, it is characterised in that include:
Compressor;
First Heat Exchanger;
Second heat exchanger;
Cross valve, is connected with one end of one end of described First Heat Exchanger and described second heat exchanger;
First control parts, are connected with the other end of the other end of described First Heat Exchanger and described second heat exchanger;
Gas-liquid separator, is connected between described cross valve and the air inlet of described compressor;
Second control parts, are connected between described cross valve and the exhaust outlet of described compressor;
Wherein, when described air-conditioner is in refrigeration mode, when described air-conditioner is shut down, described first control parts are for closing State, described compressor quits work after the first preset duration, and described first control parts and described second control parts will The refrigerant that described compressor is discharged controls in described First Heat Exchanger, when described air-conditioner is started shooting, and described first control unit Part is opening, and described compressor starts is run.
2. air-conditioner according to claim 1, it is characterised in that
Described second control parts are check valve.
3. air-conditioner according to claim 2, it is characterised in that
Described first control parts are electric expansion valve, and the closed mode of described electric expansion valve is the closedown 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 regulating the aperture of described electric expansion valve, so that described the One aperture and described second aperture meet described air-conditioner coolant quantity required under different running statuses.
5. air-conditioner according to any one of claim 1 to 4, it is characterised in that
Described First Heat Exchanger is condenser, and described second heat exchanger is evaporimeter.
6. the control method of an air-conditioner, 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 refrigeration mode, when receiving halt instruction, control the described first control parts for closing State, and control described compressor and quit work after the first preset duration, so that described first control parts and described second Control parts control the refrigerant that described compressor is discharged in described First Heat Exchanger;
When receiving open command, controlling the described first control parts is opening, and controls described compressor starts fortune OK.
7. the control method of air-conditioner according to claim 6, it is characterised in that
Described second control parts are check valve.
8. the control method of air-conditioner according to claim 7, it is characterised in that
Described first control parts are electric expansion valve, and the closed mode of described electric expansion valve is the closedown shape of the first aperture State, the opening of described electric expansion valve is the opening of the second aperture.
9. the control method of air-conditioner according to claim 8, it is characterised in that
Described electric expansion valve is provided with opening adjusting device, for regulating the aperture of described electric expansion valve, so that described the One aperture and described second aperture meet described air-conditioner coolant quantity required under different running statuses.
10. the control method of the air-conditioner according to according to any one of claim 6 to 9, it is characterised in that
Described First Heat Exchanger is condenser, and described second heat exchanger is evaporimeter.
CN201610876831.4A 2016-10-08 2016-10-08 Air conditioner and control method thereof Pending CN106440215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610876831.4A CN106440215A (en) 2016-10-08 2016-10-08 Air conditioner and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610876831.4A CN106440215A (en) 2016-10-08 2016-10-08 Air conditioner and control method thereof

Publications (1)

Publication Number Publication Date
CN106440215A true CN106440215A (en) 2017-02-22

Family

ID=58172190

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610876831.4A Pending CN106440215A (en) 2016-10-08 2016-10-08 Air conditioner and control method thereof

Country Status (1)

Country Link
CN (1) CN106440215A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882988A (en) * 2019-03-12 2019-06-14 奥克斯空调股份有限公司 Control method, device and the air conditioner for preventing air-conditioner coolant from migrating
CN110542228A (en) * 2019-09-12 2019-12-06 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium
CN110542229A (en) * 2019-09-12 2019-12-06 广东美的制冷设备有限公司 air conditioner, control method and device thereof, and computer-readable storage medium
CN111829148A (en) * 2020-06-30 2020-10-27 浙江中广电器股份有限公司 Control method for preventing refrigerant migration after shutdown, processor, air conditioner and air source heat pump system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09318141A (en) * 1996-05-30 1997-12-12 Mitsubishi Electric Corp Controller of air conditioner and its control method
US6158229A (en) * 1996-06-04 2000-12-12 Aizawa; Nikichi Heat exchanger, method of reusing and recovering refrigerant thereof
CN101038097A (en) * 2006-03-15 2007-09-19 海尔集团公司 Refrigerating system of air-conditioning and method for controlling flow of refrigerant
CN105650810A (en) * 2016-01-07 2016-06-08 美的集团武汉制冷设备有限公司 Control method for air conditioner, cooling air conditioner and cooling and heating air conditioner
CN105674651A (en) * 2016-02-17 2016-06-15 广东美芝制冷设备有限公司 Air conditioner and method for regulating content of refrigerant of air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09318141A (en) * 1996-05-30 1997-12-12 Mitsubishi Electric Corp Controller of air conditioner and its control method
US6158229A (en) * 1996-06-04 2000-12-12 Aizawa; Nikichi Heat exchanger, method of reusing and recovering refrigerant thereof
CN101038097A (en) * 2006-03-15 2007-09-19 海尔集团公司 Refrigerating system of air-conditioning and method for controlling flow of refrigerant
CN105650810A (en) * 2016-01-07 2016-06-08 美的集团武汉制冷设备有限公司 Control method for air conditioner, cooling air conditioner and cooling and heating air conditioner
CN105674651A (en) * 2016-02-17 2016-06-15 广东美芝制冷设备有限公司 Air conditioner and method for regulating content of refrigerant of air conditioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882988A (en) * 2019-03-12 2019-06-14 奥克斯空调股份有限公司 Control method, device and the air conditioner for preventing air-conditioner coolant from migrating
CN110542228A (en) * 2019-09-12 2019-12-06 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium
CN110542229A (en) * 2019-09-12 2019-12-06 广东美的制冷设备有限公司 air conditioner, control method and device thereof, and computer-readable storage medium
CN111829148A (en) * 2020-06-30 2020-10-27 浙江中广电器股份有限公司 Control method for preventing refrigerant migration after shutdown, processor, air conditioner and air source heat pump system

Similar Documents

Publication Publication Date Title
CN106440215A (en) Air conditioner and control method thereof
CN101191686B (en) Air conditioner for implementing high and low pressure side pressure balancing
JP4008913B2 (en) Apparatus and method for preventing accumulation of liquid refrigerant in air conditioner
CN106369717A (en) Air-conditioner and control method thereof
EP1666806A2 (en) Multi-air condition system and method for controlling the same
US20090211283A1 (en) Heat storage air conditioner
US20100089080A1 (en) Thermal Storage Air Conditioner
KR100857794B1 (en) Air-conditioning system and Controlling Method for the same
CN106288237A (en) The halt control method of a kind of air-conditioner, control device and air-conditioner
KR100575682B1 (en) Air conditioner with equalization pipe between out door units
CN109297151A (en) Method for controlling oil return, device, storage medium and the air-conditioning system of air-conditioning system
EP2584285A1 (en) Refrigerating air-conditioning device
EP3674619A1 (en) Air conditioning system and control method therefor
KR100528292B1 (en) Heat-pump type air conditioner
CN104990295B (en) Air conditioner controlling device, air conditioner and air-conditioner control method
CN106556120A (en) The control method and device of air-conditioner and air-conditioner
EP2075518A2 (en) Air conditioner
KR102165351B1 (en) A heat-pump system and a method controlling the same
CN106996657B (en) Air conditioner
JPH10185333A (en) Air conditioning equipment
JP2017116136A (en) Air conditioner
JP3096687B2 (en) Air conditioner
CN108759150B (en) Air conditioning system and control method thereof
JP2008020181A (en) Air-conditioning system, and control method therefor
JP3480778B2 (en) Multi-type air conditioner

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170222

RJ01 Rejection of invention patent application after publication