CN104879852A - Three-pipe heat recovery multi-split air conditioner and outdoor unit thereof - Google Patents
Three-pipe heat recovery multi-split air conditioner and outdoor unit thereof Download PDFInfo
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- CN104879852A CN104879852A CN201510260265.XA CN201510260265A CN104879852A CN 104879852 A CN104879852 A CN 104879852A CN 201510260265 A CN201510260265 A CN 201510260265A CN 104879852 A CN104879852 A CN 104879852A
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- heat exchanger
- premises station
- pipe
- compressor
- heat recovery
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Classifications
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses an outdoor unit of a three-pipe heat recovery multi-split air conditioner. The outdoor unit comprises a compressor, an oil separator, a first heat exchanger and a second heat exchanger, wherein an inlet of the oil separator is communicated with a liquid outlet of the compressor, the first heat exchanger is communicated with a liquid outlet of the oil separator through a first four-way valve, and an outlet pipe of the first heat exchanger is provided with a first throttle part; the first throttle part and the second throttle part are respectively connected with an inlet of a gas liquid separator through a connecting pipe; the outdoor unit is provided with two heat exchangers which can be respectively used as a condenser and an evaporator, the flows of the two heat exchangers can be adjusted through the first throttle part and the second throttle part, the load requirements of a refrigerating room and a heating room can be met, and the best energy distribution effect can be achieved. The invention further provides an air conditioner applying the outdoor unit, which can meet the load demands of the refrigerating room and the heating room, and is low in energy consumption.
Description
Technical field
The present invention relates to Mechanical Industry Technology field, more particularly, relate to a kind of off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning, also relate to a kind of Three-pipe heat recovery multi-connected machine air-conditioning.
Background technology
Along with the development of society, air-conditioning is applied to the productive life of people more and more widely.
Three-pipe heat recovery multi-connected machine air-conditioning comprises off-premises station and multiple indoor set, wherein, off-premises station only has a heat exchanger, and open refrigeration mode at part indoor set, when another part indoor set opens heating mode, two-part indoor set load is different, and the size that the load of indoor set is opened with indoor set and immediately changing, the output of the compressor of off-premises station is caused to be set to larger, to meet refrigeration room and the workload demand heating room simultaneously, cause the off-premises station energy consumption of Three-pipe heat recovery multi-connected machine air-conditioning large.
In addition, in existing Three-pipe heat recovery multi-connected machine, 1 heat exchanger is only provided with in off-premises station, under heating condition during this heat exchanger frosting, cross valve need be utilized to commutate with defrosting, but cause the refrigerant of low-temp low-pressure to enter indoor set after cross valve commutation, cause user cannot open indoor set, this indoor set cannot complete the work of heating, be not easy to user and use.
In sum, how a kind of off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning is provided, with in satisfied refrigeration room with when heating the workload demand in room, reduce energy consumption, and how a kind of Three-pipe heat recovery multi-connected machine air-conditioning applying above-mentioned off-premises station is provided, be those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning, it has First Heat Exchanger and the second heat exchanger, and both can use respectively as condenser and evaporimeter, and both are respectively by first throttle parts and second section stream unit adjust flux, refrigeration room can be met and heat the burden requirement in room, and can reach best energy distribution effect, be beneficial to the energy consumption reducing off-premises station.The present invention also provides a kind of Three-pipe heat recovery multi-connected machine air-conditioning, and it applies above-mentioned off-premises station, has the workload demand that can meet refrigeration room and heat room, and the effect that energy consumption is low.
For achieving the above object, the invention provides following technical scheme:
An off-premises station for Three-pipe heat recovery multi-connected machine air-conditioning, comprising:
Compressor;
The oil eliminator that its entrance is communicated with the liquid outlet of described compressor;
By the First Heat Exchanger that the first cross valve is communicated with the liquid outlet of described oil eliminator, the outlet of described First Heat Exchanger is provided with first throttle parts; With
By the second heat exchanger that the second cross valve is communicated with the liquid outlet of described oil eliminator, the outlet of described second heat exchanger is provided with second section stream unit;
Wherein, described first throttle parts are communicated with the entrance of gas-liquid separator respectively by communicating pipe with described second section stream unit.
Preferably, in the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, described First Heat Exchanger and described second heat exchanger are integral type structure, and both streams are separate.
Preferably, in the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, described communicating pipe is provided with the first branched pipe, and described first branched pipe is provided with liquid side stop valve.
Preferably, in the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, described tube connector is provided with the second branched pipe, and described second branched pipe is communicated with the outlet of described gas-liquid separator, and described second branched pipe is provided with the first magnetic valve and capillary; Described first branched pipe near described first throttle parts and described second section stream unit, described second branched pipe near described gas-liquid separator.
Preferably, in the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, the blower fan of described off-premises station is one, and described First Heat Exchanger and described second heat exchanger share this blower fan.
Preferably, in the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, described first throttle parts and described second section stream unit are respectively electronic throttle parts.
Preferably, in the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, described compressor is multiple; All described compressors are frequency-changeable compressor, or described compressor comprises a frequency-changeable compressor and a constant speed compressor, or described compressor comprises a frequency-changeable compressor and multiple constant speed compressor.
Multi-gang air-conditioner is reclaimed in a kind of three control, and comprise off-premises station, described off-premises station is the off-premises station in technique scheme described in any one.
The invention provides a kind of off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning, it comprises compressor, oil eliminator, First Heat Exchanger and the second heat exchanger, and wherein, the entrance of oil eliminator is communicated with the liquid outlet of above-mentioned compressor; First Heat Exchanger is communicated with the liquid outlet of oil eliminator by the first cross valve, and the outlet of First Heat Exchanger is provided with first throttle parts; Second heat exchanger is communicated with the liquid outlet of above-mentioned oil eliminator by the second cross valve, and the outlet of the second heat exchanger is provided with second section stream unit; Above-mentioned first throttle parts are communicated with the entrance of gas-liquid separator respectively by communicating pipe with second section stream unit.
The off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning provided by the invention has First Heat Exchanger and the second heat exchanger, and both are respectively by first throttle parts and second section stream unit adjust flux, heat at a part of indoor set of Three-pipe heat recovery multi-connected machine air-conditioning, another part indoor set cooling condition time, First Heat Exchanger and the second heat exchanger can use respectively as condenser and evaporimeter, refrigeration room can be met and heat the burden requirement in room, and can reach best energy distribution effect, be beneficial to the energy consumption reducing off-premises station.
The present invention also provides a kind of Three-pipe heat recovery multi-connected machine air-conditioning, and it comprises off-premises station, and this off-premises station is off-premises station provided by the invention, can meet refrigeration room and the workload demand heating room, and energy consumption is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the off-premises station of the Three-pipe heat recovery multi-connected machine air-conditioning that Fig. 1 provides for the embodiment of the present invention;
The assembling schematic diagram of the First Heat Exchanger that Fig. 2 provides for the embodiment of the present invention, the second heat exchanger and blower fan;
Wherein, in Fig. 1-Fig. 2:
Compressor 101; Oil eliminator 102; High-pressure pressure sensor 103; Pressure switch 104; First cross valve 105; Second cross valve 106; 3rd cross valve 107; First Heat Exchanger 108; Second heat exchanger 109; First throttle parts 110; Second section stream unit 111; Liquid side stop valve 112; Low pressure gas side stop valve 113; High pressure gas side stop valve 114; High pressure gas balance side stop valve 115; Second magnetic valve 116; First magnetic valve 117; Low pressure switch 118; Low-pressure sensor 119; Gas-liquid separator 120; Blower fan 121; Electric expansion valve 122; Oil return capillary 123.
Detailed description of the invention
The embodiment of the invention discloses a kind of off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning, it has First Heat Exchanger and the second heat exchanger 109, and both can use respectively as condenser and evaporimeter, and both are respectively by first throttle parts 110 and second section stream unit adjust flux, refrigeration room can be met and heat the burden requirement in room, and can reach best energy distribution effect, be beneficial to the energy consumption reducing off-premises station.The embodiment of the invention also discloses a kind of Three-pipe heat recovery multi-connected machine air-conditioning, it applies above-mentioned off-premises station, has the workload demand that can meet refrigeration room and heat room, and the effect that energy consumption is low.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 2, the embodiment of the present invention provides a kind of off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning, it comprises compressor 101, oil eliminator 102, First Heat Exchanger 108 and the second heat exchanger 109, and wherein, the entrance of oil eliminator 102 is communicated with the liquid outlet of above-mentioned compressor 101; First Heat Exchanger 108 is communicated with the liquid outlet of oil eliminator 102 by the first cross valve 105, and the outlet of First Heat Exchanger 108 is provided with first throttle parts 110; Second heat exchanger 109 is communicated with the liquid outlet of above-mentioned oil eliminator 102 by the second cross valve 106, and the outlet of the second heat exchanger 109 is provided with second section stream unit 111; Above-mentioned first throttle parts 110 are communicated with respectively by the entrance of communicating pipe with gas-liquid separator 120 with second section stream unit 111.
Apply in the process of the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, when the indoor set of Three-pipe heat recovery multi-connected machine air-conditioning is all cooling condition, first cross valve 105 and all power-off of the second cross valve 106, first throttle parts 110 and second section stream unit 111 are opened respectively, accordingly, First Heat Exchanger 108 and the second heat exchanger 109 use respectively as condenser, the high temperature high pressure liquid that compressor 101 place produces arrives First Heat Exchanger 108 respectively by the first cross valve 105 and the second cross valve 106 and cooling formation high pressure Normal Atmospheric Temperature Liquid sentenced by the second heat exchanger 109, the flow of above-mentioned first throttle parts 110 by regulating himself aperture to control First Heat Exchanger 108, the flow of above-mentioned second section stream unit 111 by regulating himself aperture to control the second heat exchanger 109.
When the indoor set of Three-pipe heat recovery multi-connected machine air-conditioning is all heating condition, first cross valve 105 and the second cross valve 106 are all energized, first throttle parts 110 and second section stream unit 111 are opened respectively, accordingly, First Heat Exchanger 108 and the second heat exchanger 109 use respectively as evaporimeter, the heat exchanger that the high temperature high pressure liquid that compressor 101 place produces is introduced into indoor set carries out heat release, First Heat Exchanger 108 is arrived afterwards and heat absorption sentenced by the second heat exchanger 109 respectively by first throttle parts 110 and second section stream unit 111, compressor 101 place is returned to again respectively by the first cross valve 105 and the second cross valve 106.The flow of above-mentioned first throttle parts 110 by regulating himself aperture to control First Heat Exchanger 108, the flow of above-mentioned second section stream unit 111 by regulating himself aperture to control the second heat exchanger 109.
Be that a part heats in the indoor set operating mode of Three-pipe heat recovery multi-connected machine air-conditioning, during another part refrigeration, first cross valve 105 power-off, second cross valve 106 is energized, first throttle parts 110 and second section stream unit 111 are opened, First Heat Exchanger 108 uses as condenser, second heat exchanger 109 uses as evaporimeter, a part of high temperature and high pressure gas that compressor 101 place produces arrives First Heat Exchanger 108 by the first cross valve 105 and sentences cooling formation high pressure Normal Atmospheric Temperature Liquid, the flow of above-mentioned first throttle parts 110 by regulating himself aperture to control First Heat Exchanger 108, the heat exchanger that another part high temperature and high pressure gas that compressor 101 place produces is introduced into indoor set carries out heat release, arrive the second heat exchanger 109 by second section stream unit 111 afterwards and sentence heat absorption, compressor 101 place is returned to again by the second cross valve 106, accordingly, the flow of above-mentioned second section stream unit 111 by regulating himself aperture to control the second heat exchanger 109.Certainly, when this operating mode, be likely also the second cross valve 106 power-off, the first cross valve 105 is energized, accordingly, the course of work and the above-mentioned situation of whole off-premises station are similar.
The off-premises station of the Three-pipe heat recovery multi-connected machine air-conditioning that the embodiment of the present invention provides has First Heat Exchanger 108 and the second heat exchanger 109, two heat exchangers are respectively by first throttle parts 110 and second section stream unit 111 adjust flux, heat at a part of indoor set of Three-pipe heat recovery multi-connected machine air-conditioning, during another part indoor set refrigeration, both First Heat Exchanger 108 and the second heat exchanger 109 can use respectively as condenser and evaporimeter, thus meet refrigeration room and the burden requirement heating room, and reach energy distribution effect best, be beneficial to the energy consumption reducing off-premises station.
In addition, the off-premises station of the Three-pipe heat recovery multi-connected machine air-conditioning that the embodiment of the present invention provides has First Heat Exchanger 108 and the second heat exchanger 109, when all indoor sets all heat, First Heat Exchanger 108 and the second heat exchanger 109 can defrost in turn, and another heat exchanger uses as evaporimeter, to ensure that indoor set heats, to avoid indoor set blowing cold air when a heat exchanger defrosting.As when First Heat Exchanger 108 defrosts, first cross valve 105 power-off, first throttle parts 110 are opened, and the second heat exchanger 109 is energized, second section stream unit 111 is opened, the HTHP refrigerant part that compressor 101 is discharged enters First Heat Exchanger 108, another part returns the gas returning port of compressor 101 through indoor set and the second heat exchanger 109 successively, thus First Heat Exchanger 108 is defrosted, and indoor set still heats.
Preferably, in the off-premises station of the Three-pipe heat recovery multi-connected machine air-conditioning that above-described embodiment provides, First Heat Exchanger 108 and the second heat exchanger 109 are integral type structure, and both streams are separate.
In above-mentioned off-premises station, be provided with communicating pipe on the first branched pipe, and the first branched pipe is provided with liquid side stop valve 112.Above-mentioned tube connector is also provided with the second branched pipe, the outlet of the second branched pipe and gas-liquid separator 120, and the second branched pipe is provided with the first magnetic valve 117 and capillary, wherein, the first magnetic valve 117 is nearer apart from gas-liquid separator 120.Above-mentioned first branched pipe near first throttle parts 110 and second section stream unit 111, second branched pipe near gas-liquid separator 120.Above-mentioned tube connector is provided with the second magnetic valve 116, and this second magnetic valve 116 is between the second branched pipe and gas-liquid separator 120.
In the off-premises station that above-described embodiment provides, the blower fan 121 of off-premises station is only provided with one, and First Heat Exchanger 108 and the second heat exchanger 109 share this blower fan 121.
Concrete, in above-mentioned off-premises station, first throttle parts 110 and second section stream unit 111 are respectively electronic throttle parts, and both can be set to electric expansion valve respectively.
In the off-premises station of above-mentioned Three-pipe heat recovery multi-connected machine air-conditioning, compressor 101 is multiple, accordingly, all compressors 101 can be set to frequency-changeable compressor respectively, or compressor 101 is set to comprise a frequency-changeable compressor and a constant speed compressor, or compressor 101 is set to comprise a frequency-changeable compressor and multiple constant speed compressor.
Concrete, in the off-premises station that above-described embodiment provides, the outlet of oil eliminator 102 is provided with pressure switch 104 and high-pressure pressure sensor 103, and two branched pipes of above-mentioned outlet are communicated with the second cross valve 106 with the first cross valve 105 respectively; This outlet is also provided with the one-level branched pipe for being communicated with the 3rd cross valve 107, the tail end of one-level branched pipe is provided with two secondary branched pipes, wherein, a secondary branched pipe is provided with high pressure gas balance side stop valve 115, another secondary branched pipe is communicated with the 3rd cross valve 107, and which is provided with high pressure gas side stop valve 114; Above-mentioned 3rd cross valve 107 heats use for the HTHP refrigerant controlling compressor 101 discharge to indoor set; Above-mentioned first cross valve 105, second cross valve 106, the 3rd cross valve 107 three are communicated with communicating pipe respectively, are provided with low pressure gas side stop valve 113 this communicating pipe, and are provided with the branched pipe be communicated with gas-liquid separator 120 this communicating pipe; The exit of above-mentioned gas-liquid separator 120 is for being provided with low pressure switch 118 and low-pressure sensor 119 with the muffler of compressor 101; Above-mentioned oil eliminator 102 is provided with the outlet by being communicated with the entrance of compressor 101 with the pipeline of oil return capillary 123, is also provided with the outlet be communicated with above-mentioned vapor return line by the pipeline of having electronic expansion valve 122.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an off-premises station for Three-pipe heat recovery multi-connected machine air-conditioning, is characterized in that, comprising:
Compressor;
The oil eliminator that its entrance is communicated with the liquid outlet of described compressor;
By the First Heat Exchanger that the first cross valve is communicated with the liquid outlet of described oil eliminator, the outlet of described First Heat Exchanger is provided with first throttle parts; With
By the second heat exchanger that the second cross valve is communicated with the liquid outlet of described oil eliminator, the outlet of described second heat exchanger is provided with second section stream unit;
Wherein, described first throttle parts are communicated with the entrance of gas-liquid separator respectively by communicating pipe with described second section stream unit.
2. the off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning according to claim 1, is characterized in that, described First Heat Exchanger and described second heat exchanger are integral type structure, and both streams are separate.
3. the off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning according to claim 1, is characterized in that, described communicating pipe is provided with the first branched pipe, and described first branched pipe is provided with liquid side stop valve.
4. the off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning according to claim 3, it is characterized in that, described tube connector is provided with the second branched pipe, and described second branched pipe is communicated with the outlet of described gas-liquid separator, and described second branched pipe is provided with the first magnetic valve and capillary; Described first branched pipe near described first throttle parts and described second section stream unit, described second branched pipe near described gas-liquid separator.
5. the off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning according to claim 1, is characterized in that, the blower fan of described off-premises station is one, and described First Heat Exchanger and described second heat exchanger share this blower fan.
6. the off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning according to claim 1, is characterized in that, described first throttle parts and described second section stream unit are respectively electronic throttle parts.
7. the off-premises station of Three-pipe heat recovery multi-connected machine air-conditioning according to claim 1, is characterized in that, described compressor is multiple; All described compressors are frequency-changeable compressor, or described compressor comprises a frequency-changeable compressor and a constant speed compressor, or described compressor comprises a frequency-changeable compressor and multiple constant speed compressor.
8. a multi-gang air-conditioner is reclaimed in three control, and comprise off-premises station, it is characterized in that, described off-premises station is the off-premises station described in claim 1-7 any one.
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| CN201510260265.XA CN104879852A (en) | 2015-05-20 | 2015-05-20 | Three-pipe heat recovery multi-split air conditioner and outdoor unit thereof |
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| CN201510260265.XA CN104879852A (en) | 2015-05-20 | 2015-05-20 | Three-pipe heat recovery multi-split air conditioner and outdoor unit thereof |
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Cited By (6)
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| CN105240958A (en) * | 2015-11-04 | 2016-01-13 | 杭州绿程节能科技有限公司 | Dual-cold-source three-pipe-system air conditioner system |
| CN107024014A (en) * | 2016-02-02 | 2017-08-08 | 约克广州空调冷冻设备有限公司 | Refrigeration system and its startup control method with high pressure chest frequency-changeable compressor |
| CN110779080A (en) * | 2019-10-10 | 2020-02-11 | 珠海格力电器股份有限公司 | Continuous heating heat recovery air conditioner outdoor system, heat recovery air conditioner and using method thereof |
| CN111237982A (en) * | 2020-01-14 | 2020-06-05 | 广东美的暖通设备有限公司 | Air conditioner, control method and device thereof, electronic equipment and storage medium |
| CN113108428A (en) * | 2021-04-13 | 2021-07-13 | 广州市水电设备安装有限公司 | Multi-split central air conditioning system and control method thereof |
| WO2023213186A1 (en) * | 2022-05-05 | 2023-11-09 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and control method for air conditioner |
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| CN105240958B (en) * | 2015-11-04 | 2017-10-17 | 杭州绿程节能科技有限公司 | Double control air-conditioning systems of low-temperature receiver three |
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| CN111237982A (en) * | 2020-01-14 | 2020-06-05 | 广东美的暖通设备有限公司 | Air conditioner, control method and device thereof, electronic equipment and storage medium |
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| WO2023213186A1 (en) * | 2022-05-05 | 2023-11-09 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and control method for air conditioner |
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Application publication date: 20150902 |