CN103528135B - Air-conditioner and control method thereof - Google Patents
Air-conditioner and control method thereof Download PDFInfo
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- CN103528135B CN103528135B CN201310483090.XA CN201310483090A CN103528135B CN 103528135 B CN103528135 B CN 103528135B CN 201310483090 A CN201310483090 A CN 201310483090A CN 103528135 B CN103528135 B CN 103528135B
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Abstract
The present invention discloses a kind of air-conditioner, comprises outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement, and described outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement are connected and formed peripheral passage by pipeline successively; It is characterized in that, the controller that also comprises the first magnetic valve and be electrically connected with described the first magnetic valve, one end of described the first magnetic valve is connected on the pipeline between throttling arrangement and outdoor heat exchanger, and the other end of the first magnetic valve is connected on the pipeline between throttling arrangement and indoor heat exchanger. The invention also discloses the control method of this air-conditioner. The present invention has accelerated the circulation rate of cold-producing medium in system, has improved cooling and warming speed. And air-conditioning system of the present invention do not need special fluid reservoir is set, realize the function that liquid storage and refrigerant flow regulate, simple in structure, cost is low, and quick-cooling and quick-warming is effective.
Description
Technical field
The present invention relates to air-conditioner field, relate in particular to a kind of air-conditioner that improves cooling and warming speed andControl method.
Background technology
It is all important indicators of weighing household air-conditioner that the cooling and warming ability of air-conditioner and fast-refrigerating heatOne of. In prior art, realize fast-refrigerating or heat and conventional method is in the time of starting of air conditioner, improvingRaising frequency speed. Along with the raising of raising frequency speed, compressor is now by than the air-conditioner pressure in normal when operationContracting machine needs more cold-producing medium. Therefore, in existing air-conditioning system, pass through to increase a fluid reservoir,For storage compartment cold-producing medium, in the time that compressor starts fast, can the required cold-producing medium of make up compressor.But due to the need of work Air-condition system control of fluid reservoir, the cost of system will be increased; And increaseFluid reservoir has also taken narrow space in off-premises station.
Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioner and control method thereof, be intended to not only cost-saving,And improve refrigeration or heated speed.
For realizing above object, the invention provides a kind of air-conditioner, comprise outdoor heat exchanger, compressor,Cross valve, indoor heat exchanger, throttling arrangement, described outdoor heat exchanger, compressor, cross valve, indoorHeat exchanger, throttling arrangement are connected and are formed peripheral passage by pipeline successively; Described air-conditioner also comprisesOne magnetic valve and the controller being electrically connected with described the first magnetic valve, one end of described the first magnetic valve connectsOn the pipeline between throttling arrangement and outdoor heat exchanger, the other end of the first magnetic valve is connected to throttling dressPut on the pipeline between indoor heat exchanger.
Preferably, described air-conditioner also comprises the second magnetic valve being electrically connected with described controller; DescribedOne end of two magnetic valves is on the pipeline between throttling arrangement and indoor heat exchanger, and described the second electromagnetismValve is also on the pipeline between the first magnetic valve and indoor heat exchanger.
Preferably, described air-conditioner also comprises the 3rd magnetic valve being electrically connected with described controller; DescribedThree magnetic valves are on the pipeline between throttling arrangement and outdoor heat exchanger, and the 3rd magnetic valve is also positioned atOn pipeline between the first magnetic valve and outdoor heat exchanger.
Preferably, described air-conditioner also comprises the second magnetic valve and the 3rd electricity that are electrically connected with described controllerMagnet valve; One end of described the second magnetic valve on the pipeline between throttling arrangement and indoor heat exchanger, andDescribed the second magnetic valve is also on the pipeline between the first magnetic valve and indoor heat exchanger; Described the 3rd electricityMagnet valve is on the pipeline between throttling arrangement and outdoor heat exchanger, and the 3rd magnetic valve is also positioned at firstOn pipeline between magnetic valve and outdoor heat exchanger.
Preferably, described air-conditioner also comprises the temperature sensor on the blast pipe that is arranged on described compressor,Described temperature sensor is electrically connected with controller.
The present invention also provides a kind of control method of air-conditioner, comprises the following steps:
Air-conditioner start, opens refrigeration or heating mode;
Control the first magnetic valve and open, and record t1 running time of air-conditioner;
Setting-up time ts2 after the running time of air-conditioner, t1 was greater than air-conditioning start, controls the first magnetic valve and closesClose, air-conditioner enters normal refrigeration or heats state.
The present invention also provides a kind of control method of air-conditioner, comprises the following steps:
Air-conditioner operates under normal refrigeration mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in refrigeration mode;
Control the first magnetic valve and open, the second closed electromagnetic valve, and record air-conditioner and receive after shutdown commandT2 running time;
In the time that t2 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close refrigeration mode;
Detect air-conditioner while again opening refrigeration mode, control the first magnetic valve and the second magnetic valve and all beatOpen, and record air-conditioner and again open t3 running time after refrigeration mode;
In the time that t3 is greater than the rear setting-up time ts2 of air-conditioning start, controls the first magnetic valve 21 and close, the second electromagnetismValve 22 is opened, and air-conditioner enters normal refrigerating state.
Preferably, described control the first magnetic valve is opened, and after the second closed electromagnetic valve, also comprises:
Obtain the delivery temperature T0 of compressor;
In the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and close refrigeration mode.
The present invention also provides a kind of control method of air-conditioner, comprises the following steps:
Air-conditioner operates under normal heating mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in heating mode;
Control the first magnetic valve and open, the 3rd closed electromagnetic valve, and record air-conditioner and receive after shutdown commandT4 running time;
In the time that t4 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close heating mode;
Detect air-conditioner while again opening heating mode, control the first magnetic valve and the 3rd magnetic valve and all beatOpen, and record air-conditioning and again open t5 running time after heating mode;
In the time that t5 is greater than the rear setting-up time ts2 of air-conditioning start, control the first closed electromagnetic valve, the 3rd magnetic valveOpen air-conditioner and enter the state that normally heats.
Preferably, described control the first magnetic valve is opened, and after the 3rd closed electromagnetic valve, also comprises:
Obtain the delivery temperature T0 of compressor;
In the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and close heating mode.
The present invention also provides a kind of control method of air-conditioner, comprising:
Air-conditioner operates under normal refrigeration mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in refrigeration mode;
Control the first magnetic valve and the 3rd magnetic valve is all opened, the second closed electromagnetic valve, and record air-conditionerReceive t6 running time after shutdown command;
In the time that t6 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close refrigeration mode;
Detect air-conditioner while again opening refrigeration mode, control the first magnetic valve, the second magnetic valve, theThree magnetic valves are all opened, and record air-conditioner and again open t7 running time after refrigeration mode;
In the time that t3 is greater than the rear setting-up time ts2 of air-conditioning start, control the first closed electromagnetic valve, the second magnetic valve,The 3rd magnetic valve is all opened, and air-conditioner enters normal refrigerating state;
Air-conditioner operates under normal heating mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in heating mode;
Control the first magnetic valve and the second magnetic valve is all opened, the 3rd closed electromagnetic valve, and record air-conditionerReceive t8 running time after shutdown command;
In the time that t8 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close heating mode;
Detect air-conditioner while again opening heating mode, control the first magnetic valve, the second magnetic valve and theThree magnetic valves are all opened, and record air-conditioning and again open t9 running time after heating mode;
In the time that t9 is greater than the rear setting-up time ts2 of air-conditioning start, control the first closed electromagnetic valve, the second magnetic valveAll open with the 3rd magnetic valve, air-conditioner enters the state that normally heats.
Preferably, described control the first magnetic valve and the 3rd magnetic valve are all opened, the second closed electromagnetic valve itAfter also comprise:
Obtain the delivery temperature T0 of compressor, in the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and closeClose refrigeration mode;
Described control the first magnetic valve and the second magnetic valve are all opened, and after the 3rd closed electromagnetic valve, also comprise:
Obtain the delivery temperature T0 of compressor, in the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and closeClose heating mode.
Tool of the present invention has the following advantages and effect:
1, the present invention, in the time of air conditioner refrigerating or heating mode startup, by the through and off to magnetic valve, compressesMachine can be preferential extraction pipeline in residual cold-producing medium, realize fast-refrigerating or heat with make up compressorThe cold-producing medium of Shi Suoxu. Meanwhile, due to the conducting of magnetic valve, make cold-producing medium not need to flow through throttling dressPut and directly enter compressor, having accelerated the circulation rate of cold-producing medium in system, having improved cooling and warming speedDegree;
2, air-conditioning system of the present invention does not need special fluid reservoir is set, and has realized liquid storage and refrigerant flowThe function regulating, simple in structure, cost is low, and quick-cooling and quick-warming is effective.
Brief description of the drawings
Fig. 1 is the structural representation of air-conditioner the first embodiment of the present invention;
Fig. 2 be in Fig. 1 air-conditioner normal operation when refrigeration cold-producing medium flow to schematic diagram;
Fig. 3 be in Fig. 1 air-conditioner with the schematic diagram that flows to of a period of time inner refrigerant after refrigeration mode start;
Fig. 4 be when in Fig. 1, air-conditioner normal operation heats cold-producing medium flow to schematic diagram;
Fig. 5 be in Fig. 1 air-conditioner with the schematic diagram that flows to of a period of time inner refrigerant after heating mode start;
Fig. 6 is the structural representation of air-conditioner the second embodiment of the present invention;
Fig. 7 be in Fig. 6 air-conditioner normal operation when refrigeration cold-producing medium flow to schematic diagram;
Fig. 8 is the flow direction signal that in Fig. 6, air-conditioner normal operation when refrigeration is received cold-producing medium after shutdown commandFigure;
Fig. 9 be in Fig. 6 air-conditioner again start shooting with refrigeration mode after the flow direction of a period of time inner refrigerant showIntention;
Figure 10 is the structural representation of air-conditioner of the present invention the 3rd embodiment;
Figure 11 be when in Figure 10, air-conditioner normal operation heats cold-producing medium flow to schematic diagram;
Figure 12 receives when air-conditioner normal operation heats in Figure 10 that the flow direction of cold-producing medium is shown after shutdown commandIntention;
Figure 13 be in Figure 10 air-conditioner again start shooting with heating mode after the flow direction of a period of time inner refrigerantSchematic diagram;
Figure 14 is the structural representation of air-conditioner of the present invention the 4th embodiment;
Figure 15 be in Figure 14 air-conditioner normal operation when refrigeration cold-producing medium flow to schematic diagram;
Figure 16 be in Figure 14 air-conditioner normal operation when refrigeration receive that the flow direction of cold-producing medium is shown after shutdown commandIntention;
Figure 17 be in Figure 14 air-conditioner again start shooting with refrigeration mode after the flow direction of a period of time inner refrigerantSchematic diagram;
Figure 18 be when in Figure 14, air-conditioner normal operation heats cold-producing medium flow to schematic diagram;
Figure 19 receives when air-conditioner normal operation heats in Figure 14 that the flow direction of cold-producing medium is shown after shutdown commandIntention;
Figure 20 be in Figure 14 air-conditioner again start shooting with heating mode after the flow direction of a period of time inner refrigerantSchematic diagram;
Figure 21 is the schematic flow sheet of control method first embodiment of air-conditioner of the present invention;
Figure 22 is the schematic flow sheet of control method second embodiment of air-conditioner of the present invention;
Figure 23 is the schematic flow sheet of control method the 3rd embodiment of air-conditioner of the present invention;
Figure 24 is the schematic flow sheet of control method the 4th embodiment of air-conditioner of the present invention;
Figure 25 is the schematic flow sheet of control method the 5th embodiment of air-conditioner of the present invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are done further with reference to accompanying drawingExplanation.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with Figure of description and specific embodiment. ShouldUnderstand, specific embodiment described herein only, in order to explain the present invention, is not intended to limit the present invention.
Main thought of the present invention is the through and off by controlling magnetic valve, at air conditioner refrigerating or heating modeWhen startup, the extraction cold-producing medium that compressor can be preferential, thus accelerate the circulation speed of cold-producing medium in systemDegree, has improved cooling and warming speed.
With reference to Fig. 1, air-conditioner the first embodiment of the present invention is proposed. The air-conditioner of this embodiment comprises chamberExternal heat exchanger 14, compressor 12, cross valve 13, indoor heat exchanger 11, throttling arrangement 15. Described chamberExternal heat exchanger 14, compressor 12, cross valve 13, indoor heat exchanger 11, throttling arrangement 15 pass through successivelyPipeline connects and formation peripheral passage. Wherein, this air-conditioner also comprises the first magnetic valve 21 and with describedThe controller 41 that one magnetic valve 21 is electrically connected. This first magnetic valve 21 is in parallel with throttling arrangement 15,One end of the first magnetic valve 21 is connected on the pipeline between throttling arrangement 15 and outdoor heat exchanger 14, theThe other end of one magnetic valve is connected on the pipeline between throttling arrangement 15 and indoor heat exchanger 11. At skyAdjust in the running of device, controller 41 is according to the running time of air-conditioner the first magnetic valve 21 being carried outOn-off, to improve the fast-refrigerating of air-conditioner or the efficiency heating. The air-conditioner of this embodiment has systemCold and heat-production functions, below will operate under refrigeration mode for air-conditioner and operate under heating modeConcrete running is described.
(1) under refrigeration mode
As shown in Figure 2, during for the normal refrigerating operaton of air-conditioner system cold-producing medium flow to schematic diagram, nowController 41 controls the first magnetic valve 21 and cuts out, and cold-producing medium flows through indoor heat exchanger 11, cross valve successively13 E3 interface-E4 interface, the low-pressure end of compressor 12, the high-pressure side of compressor 12, cross valve13 E1 interface-E2 interface, outdoor heat exchanger 14, throttling arrangement 15, finally flow to indoor heat exchanger11 form a circulation.
As shown in Figure 3, for air-conditioner system is with the flow direction of the rear a period of time inner refrigerant of refrigeration mode startSchematic diagram, this Time Controller 41 is controlled the first magnetic valve 21 and is opened, and cold-producing medium flows through indoor heat exchange successivelyE3 interface-E4 interface of device 11, cross valve 13, the low-pressure end of compressor 12, the height of compressor 12E1 interface-E2 interface of pressure side, cross valve 13, outdoor heat exchanger 14, the first magnetic valve 21, lastFlow to indoor heat exchanger 11 and form a circulation. Because the first magnetic valve 21 is opened, and throttling arrangement 15In there is resistance, make cold-producing medium in the air-conditioner system now throttling arrangement 15 of not flowing through, air-conditioner systemThe resistance force diminishes of cold-producing medium in system, compressor 12 can extract in the pipeline of air-conditioner system residual rapidlyCold-producing medium, and enter compressor 12, realize the required cold-producing medium of fast-refrigerating with make up compressor 12,Thereby improve the fast-refrigerating effect of compressor 12.
(2) under heating mode
As shown in Figure 4, during for the normal heating operation of air-conditioner system cold-producing medium flow to schematic diagram, nowController 41 controls the first magnetic valve 21 and cuts out, and cold-producing medium flows through indoor heat exchanger 11, throttling dress successivelyPut 15, the low-pressure end of E2 interface-E4 interface of outdoor heat exchanger 14, cross valve 13, compressor 12,The high-pressure side of compressor 12, E1 interface-E3 interface of cross valve 13, finally flow to indoor heat exchanger11 form a circulation.
As shown in Figure 5, for air-conditioner system is with the flow direction of the rear a period of time inner refrigerant of heating mode startSchematic diagram, this Time Controller 41 is controlled the first magnetic valve 21 and is opened, and cold-producing medium flows through indoor heat exchange successivelyE2 interface-E4 interface of device 11, the first magnetic valve 21, outdoor heat exchanger 14, cross valve 13, pressureE1 interface-E3 interface of the low-pressure end of contracting machine 12, the high-pressure side of compressor 12, cross valve 13,After flow to indoor heat exchanger 11 and form a circulation. Because the first magnetic valve 21 is opened, and throttling arrangementIn 15, there is resistance, make cold-producing medium in the air-conditioner system now throttling arrangement 15 of not flowing through, air-conditionerThe resistance force diminishes of cold-producing medium in system, compressor 12 can extract in the pipeline of air-conditioner system residual rapidlyThe cold-producing medium staying, and enter compressor 12, realize and heat fast required refrigeration with make up compressor 12Agent, thus the quick heating effect of compressor 12 improved.
With reference to Fig. 6, the second embodiment of a kind of air-conditioner of the present invention is proposed. On the basis of the first embodimentUpper, the air-conditioner of the present embodiment also comprises the second magnetic valve 22 and temperature sensor 31. This second electromagnetismOne end of valve 22 is on the pipeline between throttling arrangement 15 and indoor heat exchanger 11, and this second electromagnetismValve 22 is also on the pipeline between the first magnetic valve 21 and indoor heat exchanger 11. Described temperature sensor31 are positioned on the discharge duct of compressor 12, for the row on the real-time discharge duct that detects compressor 12Temperature degree. Described controller 41 is also electrically connected with the second magnetic valve 22 and temperature sensor 31 respectively. ?In the running of air-conditioner, controller 41 is by according to the running time of air-conditioner and temperature sensor31 delivery temperatures that detect are carried out on-off to the first magnetic valve 21 and the second magnetic valve 22, to improveThe fast-refrigerating of air-conditioner or the efficiency heating. The air-conditioner of this embodiment mainly has refrigerating function, withLower the concrete running operating in for air-conditioner under refrigeration mode is described.
As shown in Figure 7, during for the normal refrigerating operaton of air-conditioner system, cold-producing medium flows to schematic diagram. NowController 41 controls the first magnetic valve 21 and cuts out, and the second magnetic valve 22 is opened, and cold-producing medium flows through chamber successivelyE3 interface-E4 interface of interior heat exchanger 11, cross valve 13, the low-pressure end of compressor 12, compressor12 high-pressure side, E1 interface-E2 interface of cross valve 13, outdoor heat exchanger 14, throttling arrangement 15,The second magnetic valve 22, finally flows to indoor heat exchanger 11 and forms a circulation.
As shown in Figure 8, be about to the schematic diagram that flows to of the front cold-producing medium of shutdown for air-conditioner system refrigerating operaton.This Time Controller 41 is controlled the first magnetic valve 21 and is opened, and the second electromagnetism 22 is closed, and cold-producing medium flows through successivelyE3 interface-E4 interface of indoor heat exchanger 11, cross valve 13, the low-pressure end of compressor 12, compressionThe high-pressure side of machine 12, E1 interface-E2 interface of cross valve 13, outdoor heat exchanger 14, throttling arrangement15, the first magnetic valve 21, outdoor heat exchanger 14. Hence one can see that, the part before shutdown in air-conditioner systemRefrigerant liquid will flow to outdoor heat exchanger 14 and be stored in outdoor heat exchanger 14. I.e. now outdoorHeat exchanger 14 is equivalent to the effect of a fluid reservoir, residual for the pipeline of air-conditioner system before reclaiming shutdownThe cold-producing medium staying.
As shown in Figure 9, for air-conditioner system is with the flow direction of the rear a period of time inner refrigerant of refrigerating operaton startSchematic diagram. This Time Controller 41 controls the first magnetic valve 21 and the second electromagnetism 22 is all opened, and cold-producing medium is complied withThe low-pressure end of the inferior E3 interface-E4 interface that flows through indoor heat exchanger 11, cross valve 13, compressor 12,The high-pressure side of compressor 12, E1 interface-E2 interface of cross valve 13, outdoor heat exchanger 14, firstMagnetic valve 21, the second magnetic valve 22, finally flow to indoor heat exchanger 11 and form a circulation. Due toOne magnetic valve 21 is opened, and in throttling arrangement 15, has resistance, makes the now refrigeration of air-conditioner systemThe agent throttling arrangement 15 of not flowing through, the resistance force diminishes of cold-producing medium in air-conditioner system, compressor 12 can be fastLiquid state, gaseous refrigerant in the extraction outdoor heat exchanger 14 of speed, and flow through indoor heat exchanger 11, enterEnter compressor 12, realize the required cold-producing medium of fast-refrigerating with make up compressor 12, thereby improved pressureThe fast-refrigerating effect of contracting machine 12.
With reference to Figure 10, the 3rd embodiment of air-conditioner of the present invention is proposed. On the basis of the first embodiment,The air-conditioner of the present embodiment also comprises the 3rd magnetic valve 23 and temperature sensor 31. Described the 3rd magnetic valve23 on the pipeline between throttling arrangement 15 and outdoor heat exchanger 14, and the 3rd magnetic valve 23 alsoOn the pipeline between the first magnetic valve 21 and outdoor heat exchanger 14. Temperature sensor 31 is positioned at compressionDelivery temperature on the discharge duct of machine 12. Described controller 41 also respectively with the 3rd magnetic valve 23 and temperatureDegree sensor 31 is electrically connected. In the running of air-conditioner, controller 41 is according to the operation of air-conditionerThe delivery temperature that time and temperature sensor 31 detect is to the first magnetic valve 21 and the 3rd magnetic valve 23Carry out on-off, to improve the fast-refrigerating of air-conditioner or the efficiency heating. The air-conditioning utensil of this embodimentThere is heat-production functions, below will operate under refrigeration mode for air-conditioner and operate in the tool under heating modeRunning body process is described.
As shown in figure 11, during for the normal heating operation of air-conditioner system, cold-producing medium flows to schematic diagram. NowController 41 controls the first magnetic valve 21 and cuts out, and the 3rd magnetic valve 23 is opened, and cold-producing medium flows through chamber successivelyInterior heat exchanger 11, throttling arrangement 15, the 3rd magnetic valve 23, outdoor heat exchanger 14, cross valve 13The low-pressure end of E2 interface-E4 interface, compressor 12, the high-pressure side of compressor 12, cross valve 13E1 interface-E3 interface, finally flows to indoor heat exchanger 11 and forms a circulation.
As shown in figure 12, for air-conditioner system heating operation is by the schematic diagram that flows to of the front cold-producing medium of shutdown,This Time Controller 41 is controlled the first magnetic valve 21 and is opened, and the 3rd electromagnetism 23 is closed, and cold-producing medium flows through successivelyThe high-pressure side of compressor 12, E1 interface-E3 interface of cross valve 13, indoor heat exchanger 11, throttlingDevice 15, the first magnetic valve 21, indoor heat exchanger 11. Hence one can see that, in the front air-conditioner system of shutdownPart refrigerant liquid will flow to indoor heat exchanger 11 and be stored in indoor heat exchanger 11. NowIndoor heat exchanger 11 be equivalent to the effect of a fluid reservoir, for reclaiming the pipe of air-conditioner system before shutdownCold-producing medium in road.
As shown in figure 13, for air-conditioner system again start shooting with heating operation after a period of time inner refrigerantFlow to schematic diagram. This Time Controller 41 controls the first magnetic valve 21 and the 3rd magnetic valve 23 is all opened, systemCryogen flows through indoor heat exchanger 11, the first magnetic valve 21, the 3rd magnetic valve 23, outdoor heat exchanger successively14, the high pressure of the low-pressure end of the E2 of cross valve 13 interface-E4 interface, compressor 12, compressor 12E1 interface-E3 interface of end, cross valve 13, finally flows to indoor heat exchanger 11 and forms a circulation.Because the first magnetic valve 21 is opened, and there is resistance in throttling arrangement 15, makes now in air-conditioner systemThe cold-producing medium throttling arrangement 15 of not flowing through, the resistance force diminishes of cold-producing medium in air-conditioner system, compressor 12Can extract rapidly liquid state, gaseous refrigerant in indoor heat exchanger 11, and flow through outdoor heat exchanger14, enter compressor 12, realize and heat fast required cold-producing medium with make up compressor 12, thereby carryThe effect that high air-conditioner heats fast.
With reference to Figure 14, the 4th embodiment of air-conditioner of the present invention is proposed. On the basis of the first embodiment,The air-conditioner of the present embodiment also comprises the second magnetic valve 22, the 3rd magnetic valve 23 and temperature sensor 31.One end of this second magnetic valve 22 on the pipeline between throttling arrangement 15 and indoor heat exchanger 11, andThis second magnetic valve 22 is also on the pipeline between the first magnetic valve 21 and indoor heat exchanger 11. DescribedThe 3rd magnetic valve 23 is on the pipeline between throttling arrangement 15 and outdoor heat exchanger 14, and the 3rd electricityMagnet valve 23 is also on the pipeline between the first magnetic valve 21 and outdoor heat exchanger 14. Temperature sensor31 are positioned at the delivery temperature on the discharge duct of compressor 12. Described controller 41 also respectively with the second electricityMagnet valve 22, the 3rd magnetic valve 23 and temperature sensor 31 are electrically connected. In the running of air-conditioner,The delivery temperature that controller 41 detects according to the running time of air-conditioner and temperature sensor 31 is toOne magnetic valve 21, the second magnetic valve 22 and the 3rd magnetic valve 23 carry out on-off, to improve air-conditionerFast-refrigerating or the efficiency heating. The air-conditioner of this embodiment have refrigeration and heat-production functions, below by pinOperate under refrigeration mode and the concrete running that operates under heating mode is described to air-conditioner.
(1) under refrigeration mode
As shown in figure 15, during for the normal refrigerating operaton of air-conditioner system, cold-producing medium flows to schematic diagram. NowController 41 controls the first magnetic valve 21 and cuts out, and the second magnetic valve 22 and the 3rd magnetic valve 23 are all opened,Cold-producing medium flows through E3 interface-E4 interface, the compressor 12 of indoor heat exchanger 11, cross valve 13 successivelyLow-pressure end, the high-pressure side of compressor 12, E1 interface-E2 interface of cross valve 13, outdoor heat exchanger14, the 3rd magnetic valve 23, throttling arrangement 15, the second magnetic valve 22, finally flow to indoor heat exchanger 11Form a circulation.
As shown in figure 16, be about to the schematic diagram that flows to of the front cold-producing medium of shutdown for air-conditioner system refrigerating operaton.This Time Controller 41 is controlled the first magnetic valve 21 and is opened, and the second electromagnetism 22 is closed, the 3rd magnetic valve 23Open, cold-producing medium flows through E3 interface-E4 interface, the compression of indoor heat exchanger 11, cross valve 13 successivelyE1 interface-E2 interface of the low-pressure end of machine 12, the high-pressure side of compressor 12, cross valve 13, outdoorHeat exchanger 14, the 3rd magnetic valve 23, throttling arrangement 15, the first magnetic valve 21, the 3rd magnetic valve 23,Outdoor heat exchanger 14. Hence one can see that, and before shutdown, in air-conditioner system, part refrigerant liquid will flow to outdoorHeat exchanger 14 is also stored in outdoor heat exchanger 14. Outdoor heat exchanger 14 is now equivalent to a storageThe effect of flow container, for reclaiming the cold-producing medium of pipeline of air-conditioner system before shutdown.
As shown in figure 17, for air-conditioner system again start shooting with refrigeration mode after a period of time inner refrigerantFlow to schematic diagram. This Time Controller 41 is controlled the first magnetic valve 21, the second electromagnetism 22 and the 3rd magnetic valve23 all open, cold-producing medium flow through successively indoor heat exchanger 11, cross valve 13 E3 interface-E4 interface,E1 interface-E2 interface of the low-pressure end of compressor 12, the high-pressure side of compressor 12, cross valve 13,Outdoor heat exchanger 14, the 3rd magnetic valve 23, the first magnetic valve 21, the second magnetic valve 22, finally flow toIndoor heat exchanger 11 forms a circulation. Because the first magnetic valve 21 is opened, there is resistance in throttling arrangement 15Power, makes cold-producing medium in the air-conditioner system now throttling arrangement 15 of not flowing through, and in air-conditioner system, freezesThe resistance force diminishes of agent, compressor 12 can extract liquid state, the gaseous state system in outdoor heat exchanger 14 rapidlyCryogen, and flow through indoor heat exchanger 11, enter compressor 12, realize system fast with make up compressor 12The required cold-producing medium of heat, thus the effect of air-conditioner fast-refrigerating improved.
(2) under heating mode
As shown in figure 18, during for the normal heating operation of air-conditioner system, cold-producing medium flows to schematic diagram. NowController 41 controls the first magnetic valve 21 and cuts out, and the second magnetic valve 22 and the 3rd magnetic valve 23 are all opened,Cold-producing medium flows through indoor heat exchanger 11, the second magnetic valve 22, throttling arrangement 15, the 3rd magnetic valve successively23, the low-pressure end of E2 interface-E4 interface of outdoor heat exchanger 14, cross valve 13, compressor 12,The high-pressure side of compressor 12, E1 interface-E3 interface of cross valve 13, finally flow to indoor heat exchanger11 form a circulation.
As shown in figure 19, for air-conditioner system heating operation is by the schematic diagram that flows to of the front cold-producing medium of shutdown,This Time Controller 41 controls the first magnetic valve 21 and the second magnetic valve 22 is all opened, the 3rd magnetic valve 23Close, cold-producing medium flow through successively high-pressure side, the cross valve 13 of compressor 12 E1 interface-E3 interface,Indoor heat exchanger 11, throttling arrangement 15, the first magnetic valve 21, indoor heat exchanger 11. Hence one can see that,Part refrigerant liquid before shutdown in air-conditioner system will flow to indoor heat exchanger 11 and be stored in indoorIn heat exchanger 11. Indoor heat exchanger 11 is now equivalent to the effect of a fluid reservoir, for reclaimingCold-producing medium before shutdown in the pipeline of air-conditioner system.
As shown in figure 20, for air-conditioner system again start shooting with heating mode after a period of time inner refrigerantFlow to schematic diagram. This Time Controller 41 is controlled the first magnetic valve 21, the second magnetic valve 22 and the 3rd electromagnetismValve 23 is all opened, and cold-producing medium flows through indoor heat exchanger 11, the second magnetic valve 22, the first magnetic valve successively21, E2 interface-E4 interface, the compressor of the 3rd magnetic valve 23, outdoor heat exchanger 14, cross valve 13E1 interface-E3 interface of 12 low-pressure end, the high-pressure side of compressor 12, cross valve 13, finally streamEnter indoor heat exchanger 11 and form a circulation. Because the first magnetic valve 21 is opened, and throttling arrangement 15There is resistance, make cold-producing medium in the air-conditioner system now throttling arrangement 15 of not flowing through, air-conditioner systemThe resistance force diminishes of middle cold-producing medium, compressor 12 can extract rapidly liquid state in indoor heat exchanger 11,Gaseous refrigerant, and flow through outdoor heat exchanger 14, enter compressor 12, realize with make up compressor 12Heat fast required cold-producing medium, thereby improved the effect that air-conditioner heats fast.
With reference to Figure 21, corresponding above-mentioned air-conditioner the first embodiment, the present invention proposes a kind of corresponding air-conditionerControl method the first embodiment. This air-conditioner control method comprises:
Step S101, air-conditioner start, open refrigeration or heating mode;
Step S102, control the first magnetic valve 21 are opened, and are recorded t1 running time of air-conditioner;
Step S103, judge whether t1 running time of air-conditioning is greater than ts2; If so, enter step S104,Otherwise enter step S103;
Step S104, control the first magnetic valve 22 are closed, and air-conditioner enters normal refrigeration or heats state.
As shown in Figure 3, the embodiment of the present invention is by after air-conditioner start, first by the first magnetic valve 21Open a preset time ts2, make refrigeration mode lower time, cold-producing medium will flow through successively indoor heat exchanger 11,The high-pressure side of E3 interface-E4 interface of cross valve 13, the low-pressure end of compressor 12, compressor 12,E1 interface-E2 interface of cross valve 13, outdoor heat exchanger 14, the first magnetic valve 21, last flowed into chamberInterior heat exchanger 11 forms a circulation. Because the first magnetic valve 21 is opened, and exist in throttling arrangement 15Resistance, makes cold-producing medium in the air-conditioner system now throttling arrangement 15 of not flowing through, and in air-conditioner system, makesThe resistance force diminishes of cryogen, compressor 12 can extract refrigeration residual in the pipeline of air-conditioner system rapidlyAgent, and enter compressor 12, realize the required cold-producing medium of fast-refrigerating with make up compressor 12, therebyImprove the fast-refrigerating effect of compressor 12. In like manner, the operation principle under heating mode is also so,Just repeat no more at this.
In the time that a preset time ts2 arrives, controller 41 controls the first magnetic valve 21 again and cuts out, so thatAir-conditioner system enters normal refrigeration mode.
With reference to Figure 22, corresponding above-mentioned air-conditioner the second embodiment, the present invention proposes a kind of corresponding air-conditionerControl method the second embodiment. This air-conditioner control method comprises:
Step S201, while detecting air-conditioner start-up command, control the second magnetic valve 22 and open, firstMagnetic valve 21 cuts out, and air-conditioner enters normal refrigeration mode;
Step S202, while detecting air-conditioner shutdown command, air-conditioner still operates in refrigeration mode;
Step S203, control the first magnetic valve 21 are opened, and the second magnetic valve 22 cuts out, and records air-conditioningDevice is received t2 running time after shutdown command;
Step S204, judge whether t2 is greater than setting-up time ts1 before air-conditioning shutdown; To enter stepS205, otherwise enter step S204;
Step S205, control air-conditioner are closed refrigeration;
Step S206, detect air-conditioner while again opening refrigeration mode, control the first magnetic valve 21 withThe second magnetic valve 22 is all opened, and records air-conditioner and again open t3 running time after refrigeration mode;
Step S207, judge whether t3 is greater than setting-up time ts2 after air-conditioning start; To enter stepS208, otherwise enter step S207;
Step S208, control the first magnetic valve 21 are closed, and the second magnetic valve 22 is opened, and air-conditioner just entersNormal refrigerating state.
Carry out after normal refrigerating operaton at air-conditioner system, while receiving shutdown command, controller 41 is by firstMagnetic valve 21 is opened, the second magnetic valve 22 cuts out and maintain a preset time ts1, and cold-producing medium is flowed successivelyCross E3 interface-E4 interface, the low-pressure end of compressor 12, the compressor of indoor heat exchanger 11, cross valve 1312 high-pressure side, E1 interface-E2 interface of cross valve 13, outdoor heat exchanger 14, throttling arrangement 15,One magnetic valve 21, outdoor heat exchanger 14. Hence one can see that, the part cold-producing medium before shutdown in air-conditioner systemLiquid will flow to outdoor heat exchanger 14 and be stored in outdoor heat exchanger 14. I.e. outdoor heat exchanger 14 nowBe equivalent to the effect of a fluid reservoir, for reclaiming the residual refrigeration of pipeline of the front air-conditioner system of shutdownAgent.
Then, when air-conditioner is opened refrigeration again, controller 41 is controlled the first magnetic valve 21 and the second magnetic valve22 all open, make cold-producing medium flow through successively indoor heat exchanger 11, cross valve 13 E3 interface-E4 interface,E1 interface-E2 interface of the low-pressure end of compressor 12, the high-pressure side of compressor 12, cross valve 13, outdoorHeat exchanger 14, the first magnetic valve 21, the second magnetic valve 22, finally flow to indoor heat exchanger 11 and form oneCirculation. Because the first magnetic valve 21 is opened, and in throttling arrangement 15, there is resistance, make now air-conditionerThe cold-producing medium of the system throttling arrangement 15 of not flowing through, the resistance force diminishes of cold-producing medium in air-conditioner system, compressor12 can extract liquid state, the gaseous refrigerant in outdoor heat exchanger 14 rapidly, and flow through indoor heat exchanger11, enter compressor 12, realize the required cold-producing medium of fast-refrigerating with make up compressor 12, thereby improveThe fast-refrigerating effect of compressor 12.
In the time that a preset time ts2 arrives, controller 41 controls the first magnetic valve 21 again and cuts out, the second electromagnetismValve 22 is opened, so that air-conditioner system enters normal refrigeration mode.
Further, collect cold-producing medium before shutdown time, too high for fear of Compressor Discharge Pressure,The blast pipe set temperature sensor 31 of compressor, can test delivery temperature T0, and when delivery temperature, T0 is largeIn the time of default delivery temperature Ts, enter step S205; When delivery temperature T0 is less than or equal to default exhaustWhen temperature T s, enter step S204.
With reference to Figure 23, corresponding above-mentioned air-conditioner the 3rd embodiment, the present invention proposes a kind of corresponding air-conditionerControl method the 3rd embodiment. This air-conditioner control method comprises:
Step S301, while detecting air-conditioner start-up command, control the 3rd magnetic valve 23 and open, firstMagnetic valve 21 cuts out, and air-conditioner enters normal heating mode;
Step S302, while detecting air-conditioner shutdown command, air-conditioner still operates in heating mode;
Step S303, control the first magnetic valve 21 are opened, and the 3rd magnetic valve 23 cuts out, and records air-conditioningDevice is received t4 running time after shutdown command;
Step S304, judge whether t4 is greater than ts1; Be to enter step S305, otherwise enter stepS303；
Step S305, control air-conditioner are closed heating mode;
Step S306, detect air-conditioner while again opening heating mode, control the first magnetic valve 21 HesThe 3rd magnetic valve 23 is all opened, and records air-conditioning and again open t5 running time after heating mode;
Step S307, judge whether t5 is greater than ts2; Be to enter step S309, otherwise enter step S307;
Step S308, control the first magnetic valve 21 are closed, and the 3rd magnetic valve 23 is opened air-conditioner and entered normallyHeat state.
Carry out after normal heating operation at air-conditioner system, while receiving shutdown command, controller 41 is by firstMagnetic valve 21 is opened, the 3rd magnetic valve 23 cuts out and maintain a preset time ts1, and cold-producing medium is flowed successivelyThe high-pressure side of overcompression machine 12, E1 interface-E3 interface of cross valve 13, indoor heat exchanger 11, throttling dressPut 15, the first magnetic valve 21, indoor heat exchanger 11. Hence one can see that, the portion before shutdown in air-conditioner systemDivide refrigerant liquid to flow to indoor heat exchanger 11 and to be stored in indoor heat exchanger 11. I.e. now indoorHeat exchanger 11 is equivalent to the effect of a fluid reservoir, for reclaiming the pipeline of air-conditioner system before shutdownCold-producing medium.
Then air-conditioner is opened while heating again, and controller 41 is controlled the first magnetic valve 21 and the 3rd magnetic valve23 all open, and make cold-producing medium flow through successively indoor heat exchanger 11, the first magnetic valve 21, the 3rd magnetic valve23, E2 interface-E4 interface, the low-pressure end of compressor 12, the compression of outdoor heat exchanger 14, cross valve 13The high-pressure side of machine 12, E1 interface-E3 interface of cross valve 13, finally flow to indoor heat exchanger 11 and form oneIndividual circulation. Because the first magnetic valve 21 is opened, and there is resistance in throttling arrangement 15, makes now air-conditionerCold-producing medium in the system throttling arrangement 15 of not flowing through, the resistance force diminishes of cold-producing medium in air-conditioner system, compressionMachine 12 can extract liquid state, the gaseous refrigerant in indoor heat exchanger 11 rapidly, and flows through outdoor heat exchangeDevice 14, enters compressor 12, realizes and heats fast required cold-producing medium, thereby carry with make up compressor 12The effect that high air-conditioner heats fast.
In the time that a preset time ts2 arrives, controller 41 controls the first magnetic valve 21 again and cuts out, the 3rd electromagnetismValve 23 is opened, so that air-conditioner system enters normal heating mode.
Further, collect cold-producing medium before shutdown time, too high for fear of Compressor Discharge Pressure,The blast pipe set temperature sensor 31 of compressor, can test delivery temperature T0, and when delivery temperature, T0 is largeIn the time of default delivery temperature Ts, enter step S305; When delivery temperature T0 is less than or equal to default exhaustWhen temperature T s, enter step S304.
With reference to Figure 24, corresponding above-mentioned air-conditioner the 4th embodiment, the present invention proposes a kind of corresponding air-conditionerControl method the 4th embodiment. The control method that this air-conditioner operates in refrigeration mode comprises:
Step S401, while detecting air-conditioner start-up command, control the second magnetic valve 22 and the 3rd electromagnetismValve 23 is all opened, and the first magnetic valve 21 cuts out, and air-conditioner enters normal refrigeration mode;
Step S402, while detecting air-conditioner shutdown command, air-conditioner still operates in refrigeration mode;
Step S403, control the first magnetic valve 21 and the 3rd magnetic valve 23 are all opened, the second magnetic valve22 close, and record air-conditioner and receive t6 running time after shutdown command;
Step S404, judge whether t6 is greater than setting-up time ts1 before air-conditioning shutdown; To enter stepS405, otherwise enter step S403;
Step S405, control air-conditioner are closed refrigeration mode;
Step S406, detect air-conditioner while again opening refrigeration mode, control the first magnetic valve 21,The second magnetic valve 22 and the 3rd magnetic valve 23 are all opened, and record air-conditioner and again open refrigeration modeAfter t7 running time;
Step S407, judge whether t7 is greater than setting-up time ts2 after air-conditioning start; To enter step S408,Otherwise enter step S407;
Step S408, control the first magnetic valve 21 are closed, and the second magnetic valve 22 and the 3rd magnetic valve 23 are all beatenOpen, air-conditioner enters normal refrigerating state.
Carry out after normal refrigerating operaton at air-conditioner system, while receiving shutdown command, controller 41 is by firstMagnetic valve 21 and the 3rd magnetic valve 23 are all opened, the second magnetic valve 22 cuts out and maintain a preset time ts1,Make cold-producing medium flow through successively E3 interface-E4 interface, the compressor 12 of indoor heat exchanger 11, cross valve 13Low-pressure end, compressor 12 high-pressure side, cross valve 13 E1 interface-E2 interface, the 3rd magnetic valve 23,Outdoor heat exchanger 14, throttling arrangement 15, the first magnetic valve 21, the 3rd magnetic valve 23, outdoor heat exchanger 14.Hence one can see that, and the part refrigerant liquid before shutdown in air-conditioner system will flow to outdoor heat exchanger 14 storageExist in outdoor heat exchanger 14. Outdoor heat exchanger 14 is now equivalent to the effect of a fluid reservoir, usesResidual cold-producing medium in the pipeline of air-conditioner system before reclaiming shutdown.
Then, when air-conditioner is opened refrigeration again, controller 41 is controlled the first magnetic valve 21, the second magnetic valve22 and the 3rd magnetic valve 23 all open, make cold-producing medium flow through successively indoor heat exchanger 11, cross valve 13The low-pressure end of E3 interface-E4 interface, compressor 12, the high-pressure side of compressor 12, the E1 of cross valve 13 connectMouth-E2 interface, outdoor heat exchanger 14, the 3rd magnetic valve 23, the first magnetic valve 21, the second magnetic valve 22,Finally flow to indoor heat exchanger 11 and form a circulation. Because the first magnetic valve 21 is opened, and throttling arrangementIn 15, there is resistance, make now the cold-producing medium of the air-conditioner system throttling arrangement 15 of not flowing through, air-conditioner systemThe resistance force diminishes of cold-producing medium in system, compressor 12 can extract rapidly liquid state in outdoor heat exchanger 14,Gaseous refrigerant, and flow through indoor heat exchanger 11, enter compressor 12, realize fast with make up compressor 12The cold-producing medium that speed refrigeration is required, thus the fast-refrigerating effect of compressor 12 improved.
In the time that a preset time ts2 arrives, controller 41 controls the first magnetic valve 21 again and cuts out, the second electromagnetismValve 22 and the 3rd magnetic valve 23 are all opened, so that air-conditioner system enters normal refrigeration mode.
Further, collect cold-producing medium before shutdown time, too high for fear of Compressor Discharge Pressure,The blast pipe set temperature sensor 31 of compressor, can test delivery temperature T0, as delivery temperature T0While being greater than default delivery temperature Ts, enter step S405; When delivery temperature T0 is less than or equal to defaultWhen delivery temperature Ts, enter step S404.
With reference to Figure 25, corresponding above-mentioned air-conditioner the 4th embodiment, the present invention proposes a kind of corresponding air-conditionerControl method the 5th embodiment. The control method that this air-conditioner operates in heating mode comprises:
Step S501, while detecting air-conditioner start-up command, control the second magnetic valve 22 and the 3rd electromagnetismValve 23 is all opened, and the first magnetic valve 21 cuts out, and air-conditioner enters normal heating mode;
Step S502, while detecting air-conditioner shutdown command, air-conditioner still operates in heating mode;
Step S503, control the first magnetic valve 21 and the second magnetic valve 22 are all opened, the 3rd magnetic valve23 close, and record air-conditioner and receive t8 running time after shutdown command;
Step S504, judge whether t8 is greater than setting-up time ts1 before air-conditioning shutdown; To enter stepS505, otherwise enter step S504;
Step S505, control air-conditioner are closed heating mode;
Step S506, detect air-conditioner while again opening heating mode, control the first magnetic valve 21,The second magnetic valve 22 and the 3rd magnetic valve 23 are all opened, and record air-conditioner and again open heating modeAfter t9 running time;
Step S507, judge whether t9 is greater than setting-up time ts2 after air-conditioning start; To enter stepS508, otherwise enter step S507;
Step S508, control the first magnetic valve 21 are closed, the second magnetic valve 22 and the 3rd magnetic valve 23All open, air-conditioner enters the state that heats normally.
Carry out after normal heating operation at air-conditioner system, while receiving shutdown command, controller 41 is by firstMagnetic valve 21 and the second magnetic valve 22 are all opened, the 3rd magnetic valve 23 cuts out and maintain a preset time ts1,Make cold-producing medium flow through successively E1 interface-E3 interface, indoor of high-pressure side, the cross valve 13 of compressor 12Heat exchanger 11, the second magnetic valve 22, throttling arrangement 15, the first magnetic valve 21, the second magnetic valve 22, chamberInterior heat exchanger 11. Hence one can see that, and the part refrigerant liquid before shutdown in air-conditioner system will flow to indoorHeat exchanger 11 is also stored in indoor heat exchanger 11. Indoor heat exchanger 11 is now equivalent to a liquid storageThe effect of tank, for reclaiming the cold-producing medium of pipeline of air-conditioner system before shutdown.
Then air-conditioner is opened while heating again, and controller 41 is controlled the first magnetic valve 21, the second magnetic valve22 and the 3rd magnetic valve 23 all open, make cold-producing medium flow through successively indoor heat exchanger 11, the second magnetic valve22, the E2 interface-E4 of the first magnetic valve 21, the 3rd magnetic valve 23, outdoor heat exchanger 14, cross valve 13E1 interface-E3 interface of the low-pressure end of interface, compressor 12, the high-pressure side of compressor 12, cross valve 13,Finally flow to indoor heat exchanger 11 and form a circulation. Because the first magnetic valve 21 is opened, and throttling arrangement15 there is resistance, make cold-producing medium in the air-conditioner system now throttling arrangement 15 of not flowing through, air-conditioner systemThe resistance force diminishes of cold-producing medium in system, compressor 12 can extract rapidly liquid state in indoor heat exchanger 11,Gaseous refrigerant, and flow through outdoor heat exchanger 14, enter compressor 12, realize fast with make up compressor 12Speed heats required cold-producing medium, thereby has improved the effect that air-conditioner heats fast.
In the time that a preset time ts2 arrives, controller 41 controls the first magnetic valve 21 again and cuts out, the second electromagnetismValve 22 and the 3rd magnetic valve 23 are all opened, so that air-conditioner system enters normal heating mode.
Further, collect cold-producing medium before shutdown time, too high for fear of Compressor Discharge Pressure,The blast pipe set temperature sensor 31 of compressor, can test delivery temperature T0, as delivery temperature T0While being greater than default delivery temperature Ts, enter step S505; When delivery temperature T0 is less than or equal to defaultWhen delivery temperature Ts, enter step S504.
In sum, tool of the present invention has the following advantages and effect:
1, the present invention, in the time of air conditioner refrigerating or heating mode startup, by the through and off to magnetic valve, compressesMachine can be preferential extraction pipeline in residual cold-producing medium, realize fast-refrigerating or heat with make up compressorThe cold-producing medium of Shi Suoxu. Meanwhile, due to the conducting of magnetic valve, make cold-producing medium not need to flow through throttling dressPut and directly enter compressor, having accelerated the circulation rate of cold-producing medium in system, having improved cooling and warming speedDegree;
2, air-conditioning system of the present invention does not need special fluid reservoir is set, and has realized liquid storage and refrigerant flowThe function regulating, simple in structure, cost is low, and quick-cooling and quick-warming is effective.
The foregoing is only the preferred embodiments of the present invention, not thereby limit its scope of the claims, every profitThe equivalent structure of doing by description of the present invention and accompanying drawing content or the conversion of equivalent flow process, directly or indirectly fortuneBe used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. an air-conditioner, comprises outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttlingDevice, described outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement pass through successivelyPipeline connects and formation peripheral passage; It is characterized in that, also comprise the first magnetic valve and with described the first electricityThe controller of magnet valve electrical connection, one end of described the first magnetic valve is connected to throttling arrangement and outdoor heat exchangerBetween pipeline on, the other end of the first magnetic valve is connected to the pipe between throttling arrangement and indoor heat exchangerLu Shang; Described air-conditioner also comprises the second magnetic valve being electrically connected with described controller; Described the second electromagnetismOne end of valve is on the pipeline between throttling arrangement and indoor heat exchanger, and also position of described the second magnetic valveOn the pipeline between the first magnetic valve and indoor heat exchanger; Described air-conditioner also comprises and is arranged on described pressureTemperature sensor on the blast pipe of contracting machine, described temperature sensor is electrically connected with controller; Described controlDevice for the delivery temperature that detects according to the running time of air-conditioner and described temperature sensor to the first electricityMagnet valve and the second magnetic valve carry out on-off.
2. air-conditioner according to claim 1, is characterized in that, described air-conditioner also comprises and instituteState the 3rd magnetic valve of controller electrical connection; Described the 3rd magnetic valve is positioned at throttling arrangement and outdoor heat exchangerBetween pipeline on, and the also pipeline between the first magnetic valve and outdoor heat exchanger of the 3rd magnetic valveOn; Described controller is the row for detecting according to the running time of air-conditioner and described temperature sensor alsoTemperature degree carries out on-off to the first magnetic valve, the second magnetic valve and the 3rd magnetic valve.
3. an air-conditioner, comprises outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttlingDevice, described outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement pass through successivelyPipeline connects and formation peripheral passage; It is characterized in that, also comprise the first magnetic valve and with described the first electricityThe controller of magnet valve electrical connection, one end of described the first magnetic valve is connected to throttling arrangement and outdoor heat exchangerBetween pipeline on, the other end of the first magnetic valve is connected to the pipe between throttling arrangement and indoor heat exchangerLu Shang; Described air-conditioner also comprises the 3rd magnetic valve being electrically connected with described controller; Described the 3rd electromagnetismValve is positioned on the pipeline between throttling arrangement and outdoor heat exchanger, and the 3rd magnetic valve is also positioned at the first electricityOn pipeline between magnet valve and outdoor heat exchanger; Described air-conditioner also comprises the row who is arranged on described compressorTemperature sensor on tracheae, described temperature sensor is electrically connected with controller; Described controller is for rootThe delivery temperature detecting according to running time and the described temperature sensor of air-conditioner is to the first magnetic valve andThree magnetic valves carry out on-off.
4. a control method for air-conditioner, is characterized in that, described air-conditioner is described in claim 1Air-conditioner, described control method comprises the following steps:
Air-conditioner operates under normal refrigeration mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in refrigeration mode;
Control the first magnetic valve and open, the second closed electromagnetic valve, and record air-conditioner and receive after shutdown commandT2 running time;
In the time that t2 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close refrigeration mode;
Detect air-conditioner while again opening refrigeration mode, control the first magnetic valve and the second magnetic valve and all beatOpen, and record air-conditioner and again open t3 running time after refrigeration mode;
In the time that t3 is greater than the rear setting-up time ts2 of air-conditioning start, controls the first magnetic valve 21 and close, the second electromagnetismValve 22 is opened, and air-conditioner enters normal refrigerating state.
5. control method according to claim 4, is characterized in that, described control the first magnetic valveOpen, after the second closed electromagnetic valve, also comprise:
Obtain the delivery temperature T0 of compressor;
In the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and close refrigeration mode.
6. a control method for air-conditioner, is characterized in that, described air-conditioner is described in claim 3Air-conditioner, described control method comprises the following steps:
Air-conditioner operates under normal heating mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in heating mode;
Control the first magnetic valve and open, the 3rd closed electromagnetic valve, and record air-conditioner and receive after shutdown commandT4 running time;
In the time that t4 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close heating mode;
Detect air-conditioner while again opening heating mode, control the first magnetic valve and the 3rd magnetic valve and all beatOpen, and record air-conditioning and again open t5 running time after heating mode;
In the time that t5 is greater than the rear setting-up time ts2 of air-conditioning start, control the first closed electromagnetic valve, the 3rd magnetic valveOpen air-conditioner and enter the state that normally heats.
7. control method according to claim 6, is characterized in that, described control the first magnetic valveOpen, after the 3rd closed electromagnetic valve, also comprise:
Obtain the delivery temperature T0 of compressor;
In the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and close heating mode.
8. a control method for air-conditioner, is characterized in that, described air-conditioner is described in claim 2Air-conditioner, described control method comprises:
Air-conditioner operates under normal refrigeration mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in refrigeration mode;
Control the first magnetic valve and the 3rd magnetic valve is all opened, the second closed electromagnetic valve, and record air-conditionerReceive t6 running time after shutdown command;
In the time that t6 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close refrigeration mode;
Detect air-conditioner while again opening refrigeration mode, control the first magnetic valve, the second magnetic valve, theThree magnetic valves are all opened, and record air-conditioner and again open t7 running time after refrigeration mode;
In the time that t3 is greater than the rear setting-up time ts2 of air-conditioning start, control the first closed electromagnetic valve, the second magnetic valve,The 3rd magnetic valve is all opened, and air-conditioner enters normal refrigerating state;
Air-conditioner operates under normal heating mode, and while detecting air-conditioner shutdown command, air-conditioner stillOperate in heating mode;
Control the first magnetic valve and the second magnetic valve is all opened, the 3rd closed electromagnetic valve, and record air-conditionerReceive t8 running time after shutdown command;
In the time that t8 is greater than the front setting-up time ts1 of air-conditioning shutdown, controls air-conditioner and close heating mode;
Detect air-conditioner while again opening heating mode, control the first magnetic valve, the second magnetic valve and theThree magnetic valves are all opened, and record air-conditioning and again open t9 running time after heating mode;
In the time that t9 is greater than the rear setting-up time ts2 of air-conditioning start, control the first closed electromagnetic valve, the second magnetic valveAll open with the 3rd magnetic valve, air-conditioner enters the state that normally heats.
9. control method according to claim 8, is characterized in that, described control the first magnetic valveAll open with the 3rd magnetic valve, after the second closed electromagnetic valve, also comprise:
Obtain the delivery temperature T0 of compressor, in the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and closeClose refrigeration mode;
Described control the first magnetic valve and the second magnetic valve are all opened, and after the 3rd closed electromagnetic valve, also comprise:
Obtain the delivery temperature T0 of compressor, in the time that T0 is greater than default delivery temperature Ts, controls air-conditioner and closeClose heating mode.
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| CN106556120A (en) * | 2016-12-01 | 2017-04-05 | 芜湖美智空调设备有限公司 | The control method and device of air-conditioner and air-conditioner |
| CN110595124A (en) * | 2019-09-06 | 2019-12-20 | 宁波奥克斯电气股份有限公司 | Control method and control device of air conditioner, computer readable storage medium and air conditioner |
| CN110542190B (en) * | 2019-09-12 | 2021-01-29 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
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| EP1050724A2 (en) * | 1999-05-05 | 2000-11-08 | Linde Aktiengesellschaft | Refrigeration system |
| CN2762012Y (en) * | 2004-12-15 | 2006-03-01 | 广东美的电器股份有限公司 | Fast starting air conditioner |
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