CN112344442A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN112344442A CN112344442A CN201910677076.0A CN201910677076A CN112344442A CN 112344442 A CN112344442 A CN 112344442A CN 201910677076 A CN201910677076 A CN 201910677076A CN 112344442 A CN112344442 A CN 112344442A
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- Prior art keywords
- air conditioner
- compressor
- heat
- port
- heat exchanger
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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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
Abstract
The invention belongs to the technical field of air conditioners and solves the problem that the existing air conditioner can cause high power consumption while improving the heating effect. To this end, the present invention provides an air conditioner, which includes an indoor heat exchanger, an outdoor heat exchanger, a compressor, a first reversing valve, a second reversing valve, and a heat collecting member, wherein the indoor heat exchanger, the outdoor heat exchanger, and the compressor form a closed-loop refrigerant circulation system, the heat collecting member is disposed on or near the compressor, the first reversing valve is used for switching the air conditioner between a cooling mode and a heating mode, and the second reversing valve is configured to transfer heat collected by the heat collecting member from the compressor to the indoor heat exchanger when the air conditioner performs the heating mode. The invention can make full use of the heat of the compressor, thereby improving the heating effect of the air conditioner through the heat of the compressor, not causing the increase of the power consumption of the air conditioner, reducing the operation cost of the air conditioner and improving the user experience.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides an air conditioner.
Background
The air conditioner is the indoor environment temperature adjusting device who commonly uses at present, and it includes commercial air conditioner and domestic air conditioner, commercial air conditioner is applied to commercial buildings such as office building and market more, and domestic air conditioner is applied to civil buildings such as house more, and the air conditioner can improve indoor ambient temperature through heating, can also reduce indoor ambient temperature through refrigeration. When the air conditioner executes a heating mode, the outdoor temperature is generally below 10 ℃, the middle temperature of the outdoor heat exchanger is about 0-1 ℃, and the temperature difference between the outdoor heat exchanger and the outside is small, so that the outdoor heat exchanger is difficult to obtain heat from the outside, the heating effect is poor, and especially when the outdoor temperature is below-10 ℃, the outdoor heat exchanger is difficult to obtain sufficient heat from the outside, the heating effect is poor, and the heating time is long.
In the existing air conditioner, the inverter air conditioner generally reduces the temperature of an outdoor heat exchanger by improving the working frequency of a compressor so as to obtain more heat from the outside to improve the heating effect; the fixed-frequency air conditioner generally has an electric auxiliary heating device to improve the heating effect. However, in both the inverter air conditioner and the fixed frequency air conditioner, the heating effect can be improved by adopting the above method, but the power consumption of the air conditioner is increased.
Therefore, there is a need in the art for a new air conditioner to solve the above problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problem that the conventional air conditioner has high power consumption while improving the heating effect, the invention provides the air conditioner which comprises an indoor heat exchanger, an outdoor heat exchanger, a compressor, a first reversing valve, a second reversing valve and a heat collecting component, wherein the indoor heat exchanger, the outdoor heat exchanger and the compressor form a closed-loop refrigerant circulating system, the heat collecting component is arranged on the compressor or close to the compressor, the first reversing valve is used for switching the air conditioner between a cooling mode and a heating mode, and the second reversing valve is arranged to be capable of conveying heat collected by the heat collecting component from the compressor to the indoor heat exchanger when the air conditioner executes the heating mode.
In the preferable technical scheme of the air conditioner, the second reversing valve comprises a first channel port, a second channel port, a third channel port and a fourth channel port, the second reversing valve is arranged to communicate the first channel port with the second channel port and communicate the third channel port with the fourth channel port so that the refrigerant in the refrigerant circulating system does not pass through the heat collecting component when the air conditioner executes a cooling mode, and the second reversing valve is also arranged to communicate the first channel port with the fourth channel port and communicate the second channel port with the third channel port so that the refrigerant in the refrigerant circulating system passes through the heat collecting component when the air conditioner executes a heating mode.
In the preferable technical scheme of the air conditioner, the first channel port is connected with the outdoor heat exchanger, the second channel port is connected with the first reversing valve, and the third channel port and the fourth channel port are respectively connected with two ends of the heat collecting component.
In the preferable technical scheme of the air conditioner, the heat collecting component is sleeved on the compressor.
In the preferable technical scheme of the air conditioner, the heat collecting component is partially sleeved on the compressor.
In the preferable technical scheme of the air conditioner, the heat collecting component is completely sleeved on the compressor.
In the preferable technical scheme of the air conditioner, the heat collecting component is a heat exchange tube cover.
In the preferable technical scheme of the air conditioner, the heat exchange tube cover is a heat exchange copper tube cover.
In the preferable technical scheme of the air conditioner, the heat collecting component is a spiral heat exchange tube.
In the preferable technical scheme of the air conditioner, the spiral heat exchange tube is a spiral heat exchange copper tube.
The technical scheme includes that the air conditioner is provided with a second reversing valve and a heat collecting component, the second reversing valve can convey heat collected by the heat collecting component from the compressor to the indoor heat exchanger through the flowing of a refrigerant when the air conditioner executes a heating mode, and through the arrangement, the heat of the compressor can be fully utilized, so that the heating effect of the air conditioner is improved through the heat of the compressor, the power consumption of the air conditioner cannot be increased, the operation cost of the air conditioner is reduced, and the user experience is improved.
Further, the second reversing valve comprises a first channel port, a second channel port, a third channel port and a fourth channel port, the second reversing valve is arranged to communicate the first channel port with the second channel port and communicate the third channel port with the fourth channel port so that the refrigerant in the refrigerant circulation system does not pass through the heat collecting component when the air conditioner executes the cooling mode, the second reversing valve is also arranged to communicate the first channel port with the fourth channel port and communicate the second channel port with the third channel port so that the refrigerant in the refrigerant circulation system passes through the heat collecting component when the air conditioner executes the heating mode, through the arrangement, the heat of the compressor can be used for improving the heating effect of the indoor unit in the heating process of the air conditioner, and the heat of the compressor cannot be conveyed to the indoor unit to influence the cooling effect of the air conditioner in the cooling process of the air conditioner, namely, the heating effect can be improved in the heating process of the air conditioner and the cooling effect of the air conditioner can be realized through the arrangement of the second reversing valve The refrigeration effect is not influenced during refrigeration, so that the use requirements of users are met, and the user experience is further improved.
Furthermore, the heat collecting component is sleeved on the compressor, so that the internal structure of the outdoor unit of the air conditioner is compact to save space and facilitate miniaturization of the outdoor unit, and the heat of the compressor is not easy to dissipate into the air, so that the heat of the compressor is fully absorbed by the heat collecting component.
Further, the heat collecting component is partially sleeved on the compressor, and through the arrangement, when enough space is not available around the compressor to enable the heat collecting component to be completely sleeved on the compressor, the heat collecting component can be sleeved on the compressor, and meanwhile, the internal space of the outdoor unit is reasonably utilized.
Further, the heat collecting component is completely sleeved on the compressor, and through the arrangement, each part of the heat collecting component is close to the compressor, so that more heat can be collected from the compressor by the heat collecting component.
Furthermore, the heat collection component is a heat exchange tube cover, and through the arrangement, the heat absorption area of the refrigerant is larger, and more heat can be absorbed.
Further, the heat collecting component is a spiral heat exchange pipe, and through the arrangement, the flowing path of the refrigerant near the compressor is longer, and more heat can be absorbed.
Drawings
Fig. 1 is a schematic structural view illustrating a cooling mode performed in an embodiment of an air conditioner according to the present invention;
FIG. 2 is a schematic diagram illustrating a heating mode performed in the embodiment of the air conditioner shown in FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram of the heat exchange tube housing and compressor of the present invention;
fig. 4 is a schematic structural view of the spiral heat exchange tube of the present invention.
Reference numerals:
1. an outdoor heat exchanger; 2. a compressor; 21. a passage port; 3. a first direction changing valve; 4. a second directional control valve; 41. a first passage port; 42. a second access port; 43. a third passage port; 44. a fourth passage port; 5. a heat collecting member; 51. a first cylindrical plate; 52. a second cylindrical plate; 53. an inlet; 54. an outlet; 6. a first refrigerant circulation pipe; 7. a second refrigerant circulation pipe; 8. a third refrigerant circulation pipe; 9. a fourth refrigerant circulating pipe; 10. a fifth refrigerant circulating pipe.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It is to be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "inner", "middle", and the like are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Based on the problem that the conventional air conditioner has high power consumption while improving the heating effect pointed out by the background art, the invention provides the air conditioner, which aims to ensure that the heat of a compressor can be fully utilized, so that the heating effect of the air conditioner is improved by the heat of the compressor, the power consumption of the air conditioner is not increased, the operation cost of the air conditioner is reduced, and the user experience is improved.
As shown in fig. 1, the air conditioner of the present invention includes an indoor heat exchanger (not shown), an outdoor heat exchanger 1, a compressor 2, a first reversing valve 3, a second reversing valve 4, and a heat collecting member 5, wherein the indoor heat exchanger, the outdoor heat exchanger 1, and the compressor 2 form a closed-loop refrigerant circulation system, the heat collecting member 5 is disposed on the compressor 2 or near the compressor 2, the first reversing valve 3 is used to switch the air conditioner between a cooling mode and a heating mode, and the second reversing valve 4 is configured to convey heat collected by the heat collecting member 5 from the compressor 2 to the indoor heat exchanger when the air conditioner performs the heating mode. The first reversing valve 3 and the second reversing valve 4 may adopt four-way valves, six-way valves, etc., and those skilled in the art can flexibly set the specific structural forms of the first reversing valve 3 and the second reversing valve 4 in practical application, as long as the air conditioner can be switched between the cooling mode and the heating mode by the first reversing valve 3 and the heat collected by the heat collecting member 5 from the compressor 2 can be transferred to the indoor heat exchanger by the second reversing valve 4. The heat collecting component 5 can adopt spiral heat exchange tubes and a heat exchange tube cover, and a person skilled in the art can flexibly set the specific structural form of the heat collecting component 5 in practical application, as long as the heat collecting component 5 can absorb heat on the compressor 2 when a refrigerant flows through the heat collecting component 5.
Preferably, as shown in fig. 1 and 2, the second direction changing valve 4 includes a first channel port 41, a second channel port 42, a third channel port 43 and a fourth channel port 44, the structures shown in fig. 1 and 2 take the case that the first direction changing valve 3 and the second direction changing valve 4 are four-way valves as an example, the second direction changing valve 4 is configured to communicate the first channel port 41 with the second channel port 42 and communicate the third channel port 43 with the fourth channel port 44 so that the refrigerant in the refrigerant circulation system does not pass through the heat collecting member 5 when the air conditioner performs the cooling mode, and the second direction changing valve 4 is further configured to communicate the first channel port 41 with the fourth channel port 44 and communicate the second channel port 42 with the third channel port 43 so that the refrigerant in the refrigerant circulation system passes through the heat collecting member 5 when the air conditioner performs the heating mode. Preferably, the first channel port 41 is connected with the outdoor heat exchanger 1, the second channel port 42 is connected with the first direction valve 3, and the third channel port 43 and the fourth channel port 44 are respectively connected with both ends of the heat collecting member 5.
Specifically, with continued reference to fig. 1 and 2, the air conditioner includes a first refrigerant circulation pipe 6, a second refrigerant circulation pipe 7, a third refrigerant circulation pipe 8, a fourth refrigerant circulation pipe 9, and a fifth refrigerant circulation pipe 10, one end of the first refrigerant circulation pipe 6 communicates with a first passage port 41, the other end of the first refrigerant circulation pipe 6 communicates with the outdoor heat exchanger 1, one end of the second refrigerant circulation pipe 7 communicates with a second passage port 42, the other end of the second refrigerant circulation pipe 7 is connected with the first direction changing valve 3, one end of the third refrigerant circulation pipe 8 communicates with a third passage port 43, the other end of the third refrigerant circulation pipe 8 communicates with one end of the heat collecting member 5, one end of the fourth refrigerant circulation pipe 9 communicates with a fourth passage port 44, the other end of the fourth refrigerant circulation pipe 9 communicates with the other end of the heat collecting member 5, one end of the fifth refrigerant circulation pipe 10 communicates with a passage port 21 of the compressor 2, the other end of the fifth refrigerant circulation pipe 10 is connected with the first direction changing valve 3, when the air conditioner executes a cooling mode, the second direction changing valve 4 is in a first state, the first channel port 41 is communicated with the second channel port 42 in the first state, the third channel port 43 is communicated with the fourth channel port 44, the second refrigerant circulation pipe 7 is communicated with the fifth refrigerant circulation pipe 10 through the first direction changing valve 3, when the air conditioner executes a heating mode, the second direction changing valve 4 is in a second state, the first channel port 41 is communicated with the fourth channel port 44 in the second state, the second channel port 42 is communicated with the third channel port 43, and the second refrigerant circulation pipe 7 is disconnected from the fifth refrigerant circulation pipe 10 through the first direction changing valve 3.
When a controller of the air conditioner receives a refrigeration signal, the first reversing valve 3 and the second reversing valve 4 both act (wherein, the order of the actions of the first reversing valve 3 and the second reversing valve 4 is not limited), so that the air conditioner executes a refrigeration mode, at this time, as shown in fig. 1 (an arrow in a pipeline of fig. 1 indicates a flowing direction of a refrigerant in the pipeline), a refrigerant circulating system is in a first communicating state, the refrigerant does not flow through the heat collecting member 5, specifically, the refrigerant flows from the outdoor heat exchanger 1 to the indoor heat exchanger, then flows into the compressor 2 through the first reversing valve 3, flows out of the channel port 21 of the compressor 2, and then sequentially flows back to the outdoor heat exchanger 1 through the second channel port 42 and the first channel port 41 of the first reversing valve 3 and the second reversing valve 4, that is, a flowing path of the refrigerant is: outdoor heat exchanger 1 → indoor heat exchanger → first direction changing valve 3 → compressor 2 → first direction changing valve 3 → second direction changing valve 4 → outdoor heat exchanger 1.
When a controller of the air conditioner receives a heating signal, the first reversing valve 3 and the second reversing valve 4 both act (wherein, the order of the actions of the first reversing valve 3 and the second reversing valve 4 is not limited), so that the air conditioner executes a heating mode, at this time, as shown in fig. 2 (the arrow in the pipeline of fig. 2 indicates the flowing direction of the refrigerant in the pipeline), the refrigerant circulating system is in a second communication state, the refrigerant flows through the heat collecting component 5, when the refrigerant flows through the heat collecting component 5, the heat of the compressor 2 is absorbed by the heat collecting component 5, and finally the heat absorbed by the compressor 2 is released to the indoor, specifically, after flowing out from the outdoor heat exchanger 1, the refrigerant flows to the heat collecting component 5 through the first channel port 41 and the fourth channel port 44 of the second reversing valve 4 in sequence, then flows out from the heat collecting component 5, and flows to the compressor 2 through the third channel port 43, the second channel port 42 and the first reversing valve 3 in sequence, then flows back to the outdoor heat exchanger 1 through the first reversing valve 3 and the indoor heat exchanger, namely, the flow path of the refrigerant is as follows: the outdoor heat exchanger 1 → the second direction changing valve 4 → the heat collecting member 5 → the second direction changing valve 4 → the first direction changing valve 3 → the compressor 2 → the first direction changing valve 3 → the indoor heat exchanger → the outdoor heat exchanger 1.
Preferably, the heat collecting member 5 is sleeved on the compressor 2, and of course, it can be understood by those skilled in the art that the heat collecting member 5 is partially sleeved on the compressor 2, or the heat collecting member 5 is entirely sleeved on the compressor 2 (as is the case in fig. 1 and 2).
In a possible case, as shown in fig. 3, the heat collecting member 5 is a heat exchange tube cover, the heat exchange tube cover includes a first cylindrical plate 51 and a second cylindrical plate 52, the compressor 2 is disposed in a cylindrical space enclosed by the first cylindrical plate 51, that is, the heat exchange tube cover is sleeved on the compressor 2, an annular space for a refrigerant to flow through is formed between the first cylindrical plate 51 and the second cylindrical plate 52, the heat exchange tube cover includes an inlet 53 and an outlet 54, the refrigerant flows in from the inlet 53 during refrigeration of the air conditioner, and flows out from the outlet 54 after passing through the annular space. In practical application, a person skilled in the art can flexibly set the relative position between the heat collecting member 5 and the compressor 2, as long as the heat on the compressor 2 can be collected by the heat collecting member 5 when the refrigerant flows through the heat collecting member 5. Further, the first cylindrical plate 51 and the second cylindrical plate 52 may have other shapes such as a square shape, a rectangular shape, and the like in cross section, in addition to the cross section (circular shape) shown in fig. 3; in addition, the positions of the inlet 53 and the outlet 54 may be other than the position shown in fig. 3, that is, the position shown in fig. 3 is only one possible structure of the heat exchange tube cover, and should not be construed as limiting the invention.
Preferably, the heat exchange tube cover is a heat exchange copper tube cover.
In another possible case, as shown in FIGS. 1, 2 and 4, the heat collecting member 5 is a spiral heat exchange tube. The spiral heat exchange tube spirally rises around the compressor 2, namely, the compressor 2 is arranged in a cylindrical space formed by the spiral heat exchange tube, the spiral heat exchange tube is sleeved on the compressor 2 and comprises an inlet 53 and an outlet 54, and the refrigerant flows in from the inlet 53 and flows out from the outlet 54. Wherein the positions of the inlet 53 and the outlet 54 may be other than the one shown in fig. 4, that is, the one shown in fig. 4 is only one possible structure of the spiral heat exchange tube, and should not be construed as limiting the present invention.
Preferably, the spiral heat exchange tube is a spiral heat exchange copper tube.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. The air conditioner is characterized by comprising an indoor heat exchanger, an outdoor heat exchanger, a compressor, a first reversing valve, a second reversing valve and a heat collection component, wherein the indoor heat exchanger, the outdoor heat exchanger and the compressor form a closed-loop refrigerant circulating system, the heat collection component is arranged on the compressor or close to the compressor, the first reversing valve is used for enabling the air conditioner to be switched between a refrigeration mode and a heating mode, and the second reversing valve is arranged to be capable of conveying heat collected by the heat collection component from the compressor to the indoor heat exchanger when the air conditioner executes the heating mode.
2. The air conditioner as claimed in claim 1, wherein the second direction valve includes a first port, a second port, a third port and a fourth port, the second direction valve is configured to communicate the first port with the second port and the third port with the fourth port so that the refrigerant in the refrigerant circulation system does not pass through the heat collecting member when the air conditioner performs a cooling mode, and the second direction valve is further configured to communicate the first port with the fourth port and the second port with the third port so that the refrigerant in the refrigerant circulation system passes through the heat collecting member when the air conditioner performs a heating mode.
3. The air conditioner as claimed in claim 2, wherein the first port is connected to the outdoor heat exchanger, the second port is connected to the first direction changing valve, and the third port and the fourth port are connected to both ends of the heat collecting member, respectively.
4. The air conditioner as claimed in claim 1, wherein the heat collecting member is fitted over the compressor.
5. The air conditioner as claimed in claim 4, wherein the heat collecting member is partially fitted over the compressor.
6. The air conditioner as claimed in claim 4, wherein the heat collecting member is entirely fitted over the compressor.
7. The air conditioner according to any one of claims 4 to 6, wherein the heat collecting member is a heat exchange tube cover.
8. The air conditioner according to claim 7, wherein the heat exchange tube cover is a heat exchange copper tube cover.
9. The air conditioner according to any one of claims 4 to 6, wherein the heat collecting member is a spiral heat exchange tube.
10. An air conditioner according to claim 9, wherein said spiral heat exchange tube is a spiral heat exchange copper tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677076.0A CN112344442A (en) | 2019-07-25 | 2019-07-25 | Air conditioner |
| PCT/CN2020/092800 WO2021012781A1 (en) | 2019-07-25 | 2020-05-28 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677076.0A CN112344442A (en) | 2019-07-25 | 2019-07-25 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112344442A true CN112344442A (en) | 2021-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910677076.0A Pending CN112344442A (en) | 2019-07-25 | 2019-07-25 | Air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112344442A (en) |
| WO (1) | WO2021012781A1 (en) |
Citations (4)
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| CN104976715A (en) * | 2015-06-02 | 2015-10-14 | 珠海格力电器股份有限公司 | Air-conditioning system and control method thereof |
| CN106288487A (en) * | 2016-08-26 | 2017-01-04 | 芜湖美智空调设备有限公司 | One drags many air-conditionings and control method thereof |
| WO2017002238A1 (en) * | 2015-07-01 | 2017-01-05 | 三菱電機株式会社 | Refrigeration cycle device |
| CN106440458A (en) * | 2016-10-31 | 2017-02-22 | 广东美的制冷设备有限公司 | Air conditioning system, air conditioner and air conditioning method |
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| JPH01118080A (en) * | 1987-10-30 | 1989-05-10 | Matsushita Electric Ind Co Ltd | Heat pump type air conditioner |
| JP3456871B2 (en) * | 1997-05-30 | 2003-10-14 | エスペック株式会社 | Refrigeration circuit with heat exchanger for refrigeration capacity control |
| JP2004012056A (en) * | 2002-06-10 | 2004-01-15 | Hayashi Tama | Water-cooled air conditioner |
| CN103574758B (en) * | 2012-07-25 | 2016-04-20 | 珠海格力电器股份有限公司 | Air-conditioner system and Defrost method thereof |
| CN105571221A (en) * | 2015-12-21 | 2016-05-11 | 珠海格力电器股份有限公司 | Air conditioner system and control method of air conditioner system |
| CN106016809B (en) * | 2016-05-31 | 2018-10-02 | 广东美的制冷设备有限公司 | Air-conditioning system and its defrosting control method |
| CN208765103U (en) * | 2018-09-13 | 2019-04-19 | 珠海格力电器股份有限公司 | Heat pump system |
-
2019
- 2019-07-25 CN CN201910677076.0A patent/CN112344442A/en active Pending
-
2020
- 2020-05-28 WO PCT/CN2020/092800 patent/WO2021012781A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976715A (en) * | 2015-06-02 | 2015-10-14 | 珠海格力电器股份有限公司 | Air-conditioning system and control method thereof |
| WO2017002238A1 (en) * | 2015-07-01 | 2017-01-05 | 三菱電機株式会社 | Refrigeration cycle device |
| CN106288487A (en) * | 2016-08-26 | 2017-01-04 | 芜湖美智空调设备有限公司 | One drags many air-conditionings and control method thereof |
| CN106440458A (en) * | 2016-10-31 | 2017-02-22 | 广东美的制冷设备有限公司 | Air conditioning system, air conditioner and air conditioning method |
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| WO2021012781A1 (en) | 2021-01-28 |
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Application publication date: 20210209 |