CN105650810A - Control method for air conditioner, cooling air conditioner and cooling and heating air conditioner - Google Patents
Control method for air conditioner, cooling air conditioner and cooling and heating air conditioner Download PDFInfo
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- CN105650810A CN105650810A CN201610008047.1A CN201610008047A CN105650810A CN 105650810 A CN105650810 A CN 105650810A CN 201610008047 A CN201610008047 A CN 201610008047A CN 105650810 A CN105650810 A CN 105650810A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method for an air conditioner, a cooling air conditioner and a cooling and heating air conditioner. The air conditioner comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a throttling device capable of being turned on or turned off, an indoor fan and a first control valve capable of being opened or closed, wherein the first control valve is connected to a first end of the outdoor heat exchanger, and the throttling device is connected to the indoor heat exchanger and a second end of the outdoor heat exchanger. The control method comprises the steps that in the refrigeration mode, after the air conditioner receives turn-off commands, the first control valve keeps opened, the throttling device is turned off, and the compressor keeps the operation mode; the compressor stops operating after the first set time and the first control valve is closed. According to the control method for the air conditioner, the refrigeration speed can be increased, and fast refrigeration can be realized.
Description
Technical field
The present invention relates to air-conditioning technique field, especially relate to the control method of a kind of air-conditioner, single cold type air-conditioner and heating and air conditioner.
Background technology
Along with global warming, air-conditioning enters huge numbers of families, air-conditioning uses more and more general, people are more and more higher to air-conditioning quality requirements, it is desirable to air-conditioning fast-refrigerating, open air-conditioning, stand in before air-conditioning, refrigerant cold wind can be enjoyed as early as possible, particularly just gone home from open air and just finished the people of motion to enter room and open air-conditioning, the requirement of the fast-refrigerating of air-conditioner is especially strong. Fast-refrigerating is being studied by air conditioner industry as one main comfort index of air-conditioner, current room air conditioner, and after the general start long period, air-conditioner air outlet could blow out refrigerant cold wind, it is impossible to meets user's request well.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.
For this, the present invention proposes the control method of a kind of air-conditioner, it is possible to achieve the purpose of fast-refrigerating.
The present invention also proposes a kind of single cold type air-conditioner, it is possible to achieve the purpose of fast-refrigerating.
The present invention proposes again a kind of heating and air conditioner, it is possible to achieve the purpose of fast-refrigerating.
The control method of air-conditioner according to embodiments of the present invention, described air-conditioner includes compressor, indoor heat exchanger, outdoor heat exchanger, there is the throttling arrangement of opening and closing function, indoor fan controls valve with first with opening and closing function, described first controls valve is connected with the first end of described outdoor heat exchanger, described throttling arrangement is connected with the second end of indoor heat exchanger and outdoor heat exchanger respectively, described control method comprises the steps: in cooling mode, after described air-conditioner receives shutdown command, described first controls valve is held open state, described throttling arrangement cuts out, described compressor remains on pattern, after described compressor operating the first setting time out of service and close described first control valve.
The control method of air-conditioner according to embodiments of the present invention, it is possible to improve refrigerating speed, it is possible to achieve the purpose of fast-refrigerating.
In some embodiments of the invention, when described air-conditioner receives start-up command, described first controls valve and described throttling arrangement opens, and described indoor fan runs after the second setting time speedup to the second setting speed with the first setting speed.
In some concrete examples of the present invention, the motor of described indoor fan is direct current generator, and described first setting speed is the 10%-40% of described second setting speed; Or the motor of described indoor fan is alternating current generator, described first setting speed is deep low gear rotating speed.
In some embodiments of the invention, described throttling arrangement is that the capillary tube being connected in series and second controls valve; Or described throttling arrangement is electric expansion valve.
In some embodiments of the invention, described first the span of time is set as 15 seconds-180 seconds.
Single cold type air-conditioner according to embodiments of the present invention, including: compressor, described compressor has air vent and gas returning port; Indoor heat exchanger and outdoor heat exchanger, first end of described indoor heat exchanger is connected with described gas returning port, first end of described outdoor heat exchanger is connected with described air vent, is in series with the throttling arrangement with opening and closing function between the second end and second end of described outdoor heat exchanger of described indoor heat exchanger; Having the first of opening and closing function and control valve, described first controls valve is connected between described air vent and described outdoor heat exchanger.
Single cold type air-conditioner according to embodiments of the present invention, it is possible to improve refrigerating speed, it is possible to achieve the purpose of fast-refrigerating.
Specifically, described throttling arrangement is that the capillary tube being connected in series and second controls valve; Or described throttling arrangement is electric expansion valve.
Heating and air conditioner according to embodiments of the present invention, including: compressor, described compressor has air vent and gas returning port; Commutation assembly, described commutation assembly has the first port to the 4th port, one of them connection in described first port and the second port and the 3rd port, described 4th port connects with another in described second port and described 3rd port, described first port is connected with described air vent, and described 4th port is connected with described gas returning port; Indoor heat exchanger and outdoor heat exchanger, first end of described indoor heat exchanger is connected with described second port, first end of described outdoor heat exchanger is connected with described 3rd port, is in series with the throttling arrangement with opening and closing function between the second end and second end of described outdoor heat exchanger of described indoor heat exchanger; Having the first of opening and closing function and control valve, described first controls valve is connected between described outdoor heat exchanger and described 3rd port.
Heating and air conditioner according to embodiments of the present invention, it is possible to improve refrigerating speed, it is possible to achieve the purpose of fast-refrigerating.
Specifically, described throttling arrangement is that the capillary tube being connected in series and second controls valve; Or described throttling arrangement is electric expansion valve.
Preferably, described commutation assembly is cross valve.
Accompanying drawing explanation
Fig. 1 is the flow chart of the control method of air-conditioner according to embodiments of the present invention;
Fig. 2 is the flow chart of the control method of the air-conditioner according to the concrete example of the present invention;
Fig. 3 is the schematic diagram of single cold type air-conditioner according to an embodiment of the invention;
Fig. 4 is the schematic diagram of single cold type air-conditioner in accordance with another embodiment of the present invention.
Accompanying drawing labelling:
Single cold type air-conditioner 100,
Compressor 1, air vent a, gas returning port b, gas exhaust piping 10,
Indoor heat exchanger 2, outdoor heat exchanger 3, first control valve 4, throttling arrangement 5, capillary tube the 50, second control valve 51.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings. The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic. Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature. In describing the invention, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection or each other can communication; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
Before current room air conditioner is not turned on; together with the refrigeration system that indoor set forms with off-premises station is interconnected, the cold-producing medium in refrigeration system according to ambient temperature, indoor set and off-premises station difference in height, downtime length be distributed in air-conditioner refrigerating system various piece. Inventor have found that; to the air-conditioner being not switched off equipment between refrigeration system high-low pressure pipeline; cold-producing medium can migrate to the part that temperature is low; in cooling in summer season, general outdoor temperature is higher than indoor temperature, so a lot of refrigerant migration is in indoor heat exchanger; this some refrigerant carries out heat exchange when air-conditioner is shut down with room air; after certain time, indoor heat exchanger temperature is close to indoor environment temperature, and cold-producing medium thermal capacity therein is bigger.
After the start of common air-conditioning device, low-temperature low-pressure refrigerant through throttling flows into indoor heat exchanger, first cold cools down the room temperature cold-producing medium being stored in indoor heat exchanger, room temperature cold-producing medium in indoor heat exchanger is cooled to low temperature needs the long period just can cool down, and air conditioner wind outlet could blow out refrigerant cold wind. Inventor have found that, for above-mentioned reasons, existing air-conditioner does not have the function of fast-refrigerating, and based on drawbacks described above, air-conditioner is improved by inventor.
Below with reference to the control method of Fig. 1-Fig. 2 detailed description air-conditioner according to embodiments of the present invention, wherein air-conditioner can be single cold type air-conditioner or heating and air conditioner.Air-conditioner includes compressor, indoor heat exchanger, outdoor heat exchanger, have the throttling arrangement of opening and closing function, indoor fan and have the first of opening and closing function and control the parts such as valve, first controls valve is connected with the first end of outdoor heat exchanger, throttling arrangement is connected with the second end of indoor heat exchanger and outdoor heat exchanger respectively, throttling arrangement not only acts as the effect of reducing pressure by regulating flow, and throttling arrangement also has open mode and closed mode. Specifically, throttling arrangement can be electric expansion valve, or throttling arrangement can also be that the capillary tube being connected in series and second controls valve, and alternatively, the second control valve can be the device such as two-port valve, electromagnetic valve.
Indoor fan is located at the side of indoor heat exchanger to direct room air through indoor heat exchanger to accelerate heat transfer effect.
When air-conditioner is single cold type air-conditioner, the first end of outdoor heat exchanger is connected with the discharge duct of compressor, and first controls valve between outdoor heat exchanger and compressor, and indoor heat exchanger is connected with the gas returning port of compressor. When air-conditioner is heating and air conditioner, air-conditioner also includes commutation assembly, commutation assembly has the first port to the 4th port, first port is connected with the discharge duct of compressor, 4th port is connected with the gas returning port of compressor, first end of indoor heat exchanger and the second port are connected, first end of outdoor heat exchanger and the 3rd port are connected, first controls valve between outdoor heat exchanger and the 3rd port, and throttling arrangement is connected between the second end of indoor heat exchanger and the second end of outdoor heat exchanger. Heating and air conditioner has refrigeration mode and heating mode, and single cold type air-conditioner only has refrigeration mode.
As it is shown in figure 1, the control method of air-conditioner according to embodiments of the present invention, comprise the steps:
In cooling mode, after air-conditioner receives shutdown command, first controls valve is held open state, and throttling arrangement cuts out, and compressor remains on pattern.
Out of service and closedown the first control valve after compressor operating the first setting time. It is to say, from receiving shutdown command after the first setting time, compressor is just out of service, first controls valve just closes. Specifically, the first setting time can be defined according to practical situation, for instance first sets the span of time as 15 seconds-180 seconds.
Specifically, when air-conditioner refrigerating operaton, after air-conditioner receives shutdown command, closing throttling arrangement makes the interface channel between indoor heat exchanger and outdoor heat exchanger disconnect, compressor continues to run with, now the cold-producing medium in indoor heat exchanger is continuously introduced in compressor, cold-producing medium in compressor can discharged to outdoor heat exchanger, can be extracted in outdoor heat exchanger by substantially all for the cold-producing medium in indoor heat exchanger, and the cold-producing medium in outdoor heat exchanger can not migrate in indoor heat exchanger, achieve the purpose to indoor heat exchanger evacuation, after running for the first setting time, compressor is out of service, simultaneously close off the first control valve, cold-producing medium is avoided to reflux.
It can thus be appreciated that; after air-conditioner is shut down, indoor heat exchanger is substantially free of the cold-producing medium of residual, the problem that the cold-producing medium being substantially not present in indoor heat exchanger carries out heat exchange with the interior space; owing to not having the cold-producing medium of high temperature (room temperature) in indoor set, thermal capacity is less.
After air-conditioner receives the instruction of start and entrance refrigeration mode, first controls valve opens and throttling arrangement unlatching, cold-producing medium after throttling arrangement reducing pressure by regulating flow is drained in indoor heat exchanger, compared with existing air-conditioner, cold-producing medium need not cool down high temperature (room temperature) cold-producing medium in indoor heat exchanger, this part refrigerating capacity need not be wasted, such that it is able to raising refrigerating speed, air-conditioner according to embodiments of the present invention compared with existing air-conditioner can more quick blowing cold air, room can be cooled down faster.
The control method of air-conditioner according to embodiments of the present invention, when receiving shutdown command in cooling mode, turn off after time throttling arrangement cuts out and compressor first runs one section, such that it is able to the cold-producing medium in indoor heat exchanger is extracted in outdoor heat exchanger, indoor heat exchanger does not store cold-producing medium, when refrigeration started shooting again by air-conditioner, be drained into the cold-producing medium in indoor heat exchanger directly and room air carry out heat exchange, compared with existing air-conditioner, air-conditioner according to embodiments of the present invention can improve refrigerating speed, it is possible to achieve the purpose of fast-refrigerating.
In some embodiments of the invention, as shown in Figure 2, when air-conditioner receives start-up command, first controls valve and throttling arrangement unlatching, compressor is opened, indoor fan ran for the second setting time with the first setting speed after speedup to the second setting speed, hereafter indoor fan runs to receiving shutdown command next time with the second setting speed. First a period of time is run with the first setting speed, it is possible to more quickly reduce the temperature at the air outlet place of air-conditioner thereby through making indoor fan. It is understood that the second setting time, the first setting speed and the second setting speed can be defined according to practical situation, the second setting speed can be user's setting speed, and alternatively, second sets the span of time as the 0-120 second. Wherein, the relevant parameter detection before can first booting up after receiving start-up command confirms to judge whether air-conditioner is in malfunction, and as air-conditioner is not in malfunction, then first controls valve and throttling arrangement unlatching, and air-conditioner brings into operation. It is understood that the detection mode of the relevant parameter detection before start has been prior art, just it is not described in detail here.
In some concrete examples of the present invention, the motor of indoor fan is direct current generator, first setting speed is the 10%-40% of the second setting speed, and namely the relation between the first setting speed T1 and the second setting speed T2 is T1=(10%-40%) T2. In other concrete examples of the present invention, when the motor of indoor fan is alternating current generator, the first setting speed is deep low gear rotating speed. Specifically, when indoor fan is two grades, the first setting speed is low-grade location, and the second setting speed is high tap position. When indoor fan is more than third gear or third gear, the first setting speed can be deep low gear, and the second setting speed is the gear higher than the first setting speed.
Single cold type air-conditioner 100 according to embodiments of the present invention being described in detail below with reference to Fig. 1-Fig. 4, single cold type air-conditioner 100 only has refrigeration mode.
Single cold type air-conditioner 100 according to embodiments of the present invention, including: compressor 1, indoor heat exchanger 2, outdoor heat exchanger 3 and have opening and closing function first control valve 4. Wherein compressor 1 has air vent a and gas returning port b. First end of indoor heat exchanger 2 is connected with gas returning port b, first end of outdoor heat exchanger 3 is connected with air vent a, it is in series with the throttling arrangement 5 with opening and closing function between second end and second end of outdoor heat exchanger 3 of indoor heat exchanger 2, wherein throttling arrangement 5 not only acts as the effect of reducing pressure by regulating flow, and throttling arrangement 5 also has open mode and closed mode. Specifically, as it is shown on figure 3, throttling arrangement 5 can be electric expansion valve, or as shown in Figure 4, throttling arrangement 5 can also be that the capillary tube 50 and second being connected in series controls valve 51, and alternatively, the second control valve 51 can be the device such as two-port valve, electromagnetic valve.
First controls valve 4 is connected between air vent a and outdoor heat exchanger 3. It is understood that the pipeline connecting air vent a and outdoor heat exchanger 3 is the gas exhaust piping 10 of compressor 1, namely the first control valve 4 is connected on the gas exhaust piping 10 of compressor 1. Alternatively, the first control valve 4 can be two-port valve or electromagnetic valve.
During single cold type air-conditioner 100 refrigerating operaton, first control valve 4 opens and throttling arrangement 5 is opened, it is drained into outdoor heat exchanger 3 from the air vent a of compressor 1 cold-producing medium discharged, the cold-producing medium that heat exchanger 3 is discharged outdoor is drained in indoor heat exchanger 2 after the reducing pressure by regulating flow of throttling arrangement 5, and the cold-producing medium that heat exchanger 2 is discharged indoor is expelled back into compressor 1 from gas returning port b.
After single cold type air-conditioner 100 receives shutdown command, closing throttling arrangement 5 makes the interface channel between indoor heat exchanger 2 and outdoor heat exchanger 3 disconnect, compressor 1 continues to run with, now the cold-producing medium in indoor heat exchanger 2 is continuously introduced in compressor 1, cold-producing medium in compressor 1 can discharged to outdoor heat exchanger 3, can be extracted in outdoor heat exchanger 3 by substantially all for the cold-producing medium in indoor heat exchanger 2, and the cold-producing medium in outdoor heat exchanger 3 can not migrate in indoor heat exchanger 2, achieve the purpose to indoor heat exchanger 2 evacuation, after running for the first setting time, compressor 1 is out of service, simultaneously close off the first control valve 4, cold-producing medium is avoided to reflux.
It can thus be appreciated that; after single cold type air-conditioner 100 is shut down; indoor heat exchanger 2 is substantially free of the cold-producing medium of residual; the problem that the cold-producing medium being substantially not present in indoor heat exchanger 2 carries out heat exchange with the interior space; owing to not having the cold-producing medium of high temperature (room temperature) in indoor set, thermal capacity is less.
After single cold type air-conditioner 100 receives the instruction of start, first control valve 4 opens and throttling arrangement 5 is opened, cold-producing medium after throttling arrangement 5 reducing pressure by regulating flow is drained in indoor heat exchanger 2, compared with existing air-conditioner, cold-producing medium need not cool down high temperature (room temperature) cold-producing medium in indoor heat exchanger 2, this part refrigerating capacity need not be wasted, such that it is able to raising refrigerating speed, single cold type air-conditioner 100 according to embodiments of the present invention compared with existing air-conditioner can more quick blowing cold air, room can be cooled down faster.
Single cold type air-conditioner 100 according to embodiments of the present invention, it is possible to improve refrigerating speed, it is possible to achieve the purpose of fast-refrigerating.
It is understandable that, single cold type air-conditioner 100 according to embodiments of the present invention is when the instruction receiving start, single cold type air-conditioner 100 can adopt the rate-determining steps in the control method of air-conditioner according to the above embodiment of the present invention, the rotating speed control etc. of such as indoor fan, is just not described in detail here.
Being described below in detail heating and air conditioner according to embodiments of the present invention, wherein heating and air conditioner has refrigeration mode and heating mode.
Heating and air conditioner according to embodiments of the present invention, including: compressor 1, commutation assembly, indoor heat exchanger 2, outdoor heat exchanger 3 with have the first of opening and closing function and control valve 4, wherein compressor 1 has air vent a and gas returning port b. Commutation assembly has the first port to the 4th port, one of them connection in first port and the second port and the 3rd port, another connection in 4th port and the second port and the 3rd port, first port is connected with air vent a, 4th port is connected with gas returning port b, first end of indoor heat exchanger 2 and the second port are connected, and the first end of outdoor heat exchanger 3 and the 3rd port are connected.When heating and air conditioner is freezed, the first port and the connection of the 3rd port and the connection of the second port and the 4th port, when heating and air conditioner heats, the first port connects with the second port and the 3rd port and the 4th port connect.
Preferably, commutation assembly is cross valve, it is of course possible to be understood by, and the structure of commutation assembly is not limited to this, as long as commutation assembly has the first port and to the 4th port and can realize commutating.
Being in series with the throttling arrangement 5 with opening and closing function between second end and second end of outdoor heat exchanger 3 of indoor heat exchanger 2, wherein throttling arrangement 5 not only acts as the effect of reducing pressure by regulating flow, and throttling arrangement 5 also has open mode and closed mode. Specifically, throttling arrangement 5 can be electric expansion valve, or throttling arrangement 5 can also be that the capillary tube 50 and second being connected in series controls valve 51, and alternatively, the second control valve 51 can be the device such as two-port valve, electromagnetic valve.
First controls valve 4 is connected between outdoor heat exchanger and the 3rd port. Alternatively, the first control valve 4 can be two-port valve or electromagnetic valve.
It is understood that when heating and air conditioner is freezed, the refrigerant flow direction when flow direction of cold-producing medium is freezed with single cold type air-conditioner 100 is identical, just repeats no more here. Refrigerant flow direction when refrigerant flow direction when heating and air conditioner heats simultaneously is with refrigeration is contrary, is not just described in detail here.
When refrigeration mode, after heating and air conditioner receives shutdown command, closing throttling arrangement 5 makes the interface channel between indoor heat exchanger 2 and outdoor heat exchanger 3 disconnect, compressor 1 continues to run with, can be extracted in outdoor heat exchanger 3 by substantially all for the cold-producing medium in indoor heat exchanger 2, and the cold-producing medium in outdoor heat exchanger 3 can not migrate in indoor heat exchanger 2, achieve the purpose to indoor heat exchanger 2 evacuation, after running for the first setting time, compressor 1 is out of service, simultaneously close off the first control valve 4, it is to avoid cold-producing medium refluxes.
It can thus be appreciated that; after heating and air conditioner is shut down; indoor heat exchanger 2 is substantially free of the cold-producing medium of residual; the problem that the cold-producing medium being substantially not present in indoor heat exchanger 2 carries out heat exchange with the interior space; owing to not having the cold-producing medium of high temperature (room temperature) in indoor set, thermal capacity is less.
After heating and air conditioner receives the instruction of start and entrance refrigeration mode, first control valve 4 opens and throttling arrangement 5 is opened, cold-producing medium after throttling arrangement 5 reducing pressure by regulating flow is drained in indoor heat exchanger 2, compared with existing air-conditioner, cold-producing medium need not cool down high temperature (room temperature) cold-producing medium in indoor heat exchanger 2, this part refrigerating capacity need not be wasted, such that it is able to raising refrigerating speed, heating and air conditioner according to embodiments of the present invention compared with existing air-conditioner can more quick blowing cold air, room can be cooled down faster.
Heating and air conditioner according to embodiments of the present invention, it is possible to improve refrigerating speed, it is possible to achieve the purpose of fast-refrigerating.
It is understandable that, heating and air conditioner according to embodiments of the present invention is when receiving start and refrigeration instruction, heating and air conditioner can adopt the rate-determining steps in the control method of air-conditioner according to the above embodiment of the present invention, the rotating speed control etc. of such as indoor fan, is just not described in detail here.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner. Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. the control method of an air-conditioner, it is characterized in that, described air-conditioner includes compressor, indoor heat exchanger, outdoor heat exchanger, has the throttling arrangement of opening and closing function, indoor fan and have the first control valve of opening and closing function, described first controls valve is connected with the first end of described outdoor heat exchanger, described throttling arrangement is connected with the second end of indoor heat exchanger and outdoor heat exchanger respectively, and described control method comprises the steps:
In cooling mode, after described air-conditioner receives shutdown command, described first controls valve is held open state, and described throttling arrangement cuts out, and described compressor remains on pattern;
After described compressor operating the first setting time out of service and close described first control valve.
2. the control method of air-conditioner according to claim 1, it is characterized in that, when described air-conditioner receives start-up command, described first controls valve opens and described throttling arrangement is opened, and described indoor fan runs after the second setting time speedup to the second setting speed with the first setting speed.
3. the control method of air-conditioner according to claim 2, it is characterised in that the motor of described indoor fan is direct current generator, described first setting speed is the 10%-40% of described second setting speed; Or the motor of described indoor fan is alternating current generator, described first setting speed is deep low gear rotating speed.
4. the control method of air-conditioner according to claim 1, it is characterised in that described throttling arrangement is that the capillary tube being connected in series and second controls valve; Or described throttling arrangement is electric expansion valve.
5. the control method of air-conditioner according to claim 1, it is characterised in that described first sets the span of time as 15 seconds-180 seconds.
6. a single cold type air-conditioner, it is characterised in that including:
Compressor, described compressor has air vent and gas returning port;
Indoor heat exchanger and outdoor heat exchanger, first end of described indoor heat exchanger is connected with described gas returning port, first end of described outdoor heat exchanger is connected with described air vent, is in series with the throttling arrangement with opening and closing function between the second end and second end of described outdoor heat exchanger of described indoor heat exchanger;
Having the first of opening and closing function and control valve, described first controls valve is connected between described air vent and described outdoor heat exchanger.
7. single cold type air-conditioner according to claim 6, it is characterised in that described throttling arrangement is that the capillary tube being connected in series and second controls valve; Or described throttling arrangement is electric expansion valve.
8. a heating and air conditioner, it is characterised in that including:
Compressor, described compressor has air vent and gas returning port;
Commutation assembly, described commutation assembly has the first port to the 4th port, one of them connection in described first port and the second port and the 3rd port, described 4th port connects with another in described second port and described 3rd port, described first port is connected with described air vent, and described 4th port is connected with described gas returning port;
Indoor heat exchanger and outdoor heat exchanger, first end of described indoor heat exchanger is connected with described second port, first end of described outdoor heat exchanger is connected with described 3rd port, is in series with the throttling arrangement with opening and closing function between the second end and second end of described outdoor heat exchanger of described indoor heat exchanger;
Having the first of opening and closing function and control valve, described first controls valve is connected between described outdoor heat exchanger and described 3rd port.
9. heating and air conditioner according to claim 8, it is characterised in that described throttling arrangement is that the capillary tube being connected in series and second controls valve; Or described throttling arrangement is electric expansion valve.
10. heating and air conditioner according to claim 8, it is characterised in that described commutation assembly is cross valve.
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| CN201610008047.1A CN105650810B (en) | 2016-01-07 | 2016-01-07 | Control method, single cold type air conditioner and the heating and air conditioner of air conditioner |
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| CN110542233A (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 |
| CN110542190A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | operation control method, operation control device, air conditioner, and storage medium |
| 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 |
| CN110542183A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
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| CN110542183A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
| 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 |
| 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 |
| CN110542183B (en) * | 2019-09-12 | 2021-09-21 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
| CN110542233B (en) * | 2019-09-12 | 2022-02-15 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
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