CN107166819B - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
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- CN107166819B CN107166819B CN201610125756.8A CN201610125756A CN107166819B CN 107166819 B CN107166819 B CN 107166819B CN 201610125756 A CN201610125756 A CN 201610125756A CN 107166819 B CN107166819 B CN 107166819B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 15
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
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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
- F25B2500/00—Problems to be solved
- F25B2500/21—Reduction of parts
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention provides a kind of air-conditioning system, can switch between refrigeration and heating, comprising: reversal valve, compressor, the first indoor unit, the second indoor unit and outdoor unit.Reversal valve in air-conditioning system of the present invention can easily be such that six connecting tubes switch between 2,2,2 connection models and 3,3 connection models, compared with using the scheme of two four-way valves simultaneously in the prior art, it can be realized identical effect, but for air-conditioning system, after substituting two four-way valves using a reversal valve, pipeline is simplified, convenient for circuit design, Free up Memory, it can ensure the installation of compressor, convenient for further design optimization, valve and pipeline cost are reduced, is particularly suitable for including in the air-conditioning system of double suction air compressor.
Description
Technical Field
The invention belongs to the technical field of refrigeration equipment, and particularly relates to an air conditioning system.
Background
When two four-way valves are used in an existing air conditioner system to realize reversing circulation of refrigerants, the pipeline design is relatively complex, and due to the fact that the space of a box body of the system is small, the trend and the installation space of the pipeline are limited, the number of pipelines is large, and vibration stress debugging is difficult.
Disclosure of Invention
In order to solve the technical problems in the prior art, the present invention provides an air conditioning system capable of switching between cooling and heating, including: the indoor unit comprises a reversing valve, a compressor, a first indoor unit, a second indoor unit and an outdoor unit; wherein,
the direction valve includes:
a body defining a cavity;
the first connecting pipe to the sixth connecting pipe are arranged on the body, and the first connecting pipe to the sixth connecting pipe are communicated with the cavity of the body;
the first sliding block and the second sliding block are movably arranged in the cavity of the body, and a first cavity and a second cavity are respectively defined by the first sliding block, the second sliding block and the inner walls of the two ends of the body;
the first partition plate is movably arranged on the inner wall of the body and is positioned between the first sliding block and the second sliding block, the first partition plate is connected with the first sliding block and the second sliding block through a first connecting piece and a second connecting piece respectively, a third chamber is defined by the first partition plate, the first sliding block, the second sliding block and the inner wall of the body, the first connecting pipe is communicated with the third chamber, and the third chamber is separated from the first chamber and the second chamber;
the second partition plate is movably arranged on the inner wall of the body and is positioned between the first partition plate and the inner wall of the body, the second partition plate is connected with the first partition plate through a third connecting piece and/or a fourth connecting piece, a fourth chamber is defined by the second partition plate, the first partition plate and the inner wall of the body, a fifth chamber is defined by the second partition plate and the inner wall of the body, and the third chamber, the fourth chamber and the fifth chamber are isolated from each other; and
the control piece drives the first sliding block to move to a first position towards the direction of the second sliding block or drives the second sliding block to move to a second position towards the direction of the first sliding block; wherein,
when the control piece drives the first sliding block to move to a first position in the direction of a second sliding block, the first connecting pipe is communicated with the second connecting pipe through the third cavity, the third connecting pipe is communicated with the sixth connecting pipe through the fourth cavity, and the fourth connecting pipe is communicated with the fifth connecting pipe through the fifth cavity;
when the control piece drives the second sliding block to move to a second position towards the direction of the first sliding block, the first connecting pipe is communicated with the fifth connecting pipe and the sixth connecting pipe through a third cavity, and the second connecting pipe is communicated with the third connecting pipe and the fourth connecting pipe through a fourth cavity;
the compressor includes: the first air suction port is communicated with the third connecting pipe, the second air suction port is communicated with the fourth connecting pipe, and the air exhaust port is communicated with the first connecting pipe;
two ends of the first indoor unit are respectively communicated with the outdoor unit and the sixth connecting pipe;
two ends of the second indoor unit are respectively communicated with the outdoor unit and the fifth connecting pipe; and
one end of the outdoor unit is communicated with the first indoor unit and the second indoor unit at the same time, and the other end of the outdoor unit is communicated with the second connecting pipe.
Preferably, the first connecting pipe is disposed on a first sidewall of the body, and the second to sixth connecting pipes are disposed on a second sidewall of the body opposite to the first sidewall and are sequentially arranged.
Preferably, the control member is a solenoid valve, two ends of the solenoid valve are respectively connected to the first chamber and the second chamber, and the first slider and the second slider are driven to move by changing the pressure in the first chamber and the second chamber.
Preferably, the cross-sectional shape of the body is circular.
Preferably, the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece are connecting rods.
Compared with the prior art, the air conditioning system has the following beneficial effects:
the reversing valve in the air conditioning system can conveniently switch six connecting pipes between a 2, 2 and 2 communication mode and a 3 and 3 communication mode, and compared with the scheme of simultaneously using two four-way valves in the prior art, the reversing valve can achieve the same effect.
Drawings
FIGS. 1A and 1B are cross-sectional views of a diverter valve according to an embodiment of the present invention;
FIG. 2A is a schematic diagram of an air conditioning system according to an embodiment of the present invention during cooling operation;
fig. 2B is a schematic diagram of the air conditioning system according to the embodiment of the present invention during heating operation.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
The words expressing the position and orientation described in the present invention are illustrated in the accompanying drawings, but may be changed as required and are within the scope of the invention.
The references to first, second, etc. in this embodiment do not include positional relationships or absolutely distinct relationships in structural function, and the same reference numbers or designations may be used in different embodiments, which do not represent structural or functional relationships, but merely for convenience of description.
Referring to fig. 1A and 1B, the direction valve 100 of the present invention includes a body 11, first to sixth connection pipes 21 to 26, a first slider 31, a second slider 32, a first partition plate 41, a second partition plate 51, and a control member 61.
The body 11 defines a cavity, and in a preferred embodiment, the cross-sectional shape of the body 11 is circular, so that the body 11 has a cylindrical structure as a whole.
The body 11 is provided with a first connection pipe 21, a second connection pipe 22, a third connection pipe 23, a fourth connection pipe 24, a fifth connection pipe 25 and a sixth connection pipe 26, and the first connection pipe 21 to the sixth connection pipe 26 are communicated with the cavity of the body 11. In a preferred embodiment, the first connecting tube 21 is disposed on a first sidewall of the body 11, and the second connecting tube 22 to the sixth connecting tube 26 are disposed on a second sidewall of the body 11 opposite to the first sidewall and are sequentially arranged, as shown in fig. 1A and 1B.
The cavity of the body 11 is provided with a first slide block 31 and a second slide block 32 which can move, and the first slide block 31, the second slide block 32 and the inner walls of the two ends of the body 11 respectively define a first cavity 33 and a second cavity 34.
A movable first partition plate 41 is arranged on the inner wall of the body 11, the first partition plate 41 is positioned between the first slide block 31 and the second slide block 32, the first partition plate 41 is connected with the first slide block 31 and the second slide block 32 through a first connecting piece 42 and a second connecting piece 43 respectively, the first partition plate 41, the first slide block 31, the second slide block 32 and the inner wall of the body 11 define a third chamber 44, the first connecting pipe 21 is always communicated with the third chamber 44, that is, no matter how the first partition plate 41 moves, the first connecting pipe 21 is always communicated with the third chamber 44. The third chamber 44 is isolated from the first and second chambers 33, 34.
The inner wall of the body 11 is further provided with a movable second partition plate 51, the second partition plate 51 is positioned between the first partition plate 41 and the inner wall of the body 11, the second partition plate 51 is connected with the first partition plate 41 through a third connecting piece 52 and/or a fourth connecting piece 55, the second partition plate 51, the first partition plate 41 and the inner wall of the body 11 define a fourth chamber 53, the second partition plate 51 and the inner wall of the body 11 define a fifth chamber 54, and the third chamber 44, the fourth chamber 53 and the fifth chamber 54 are isolated from each other.
In a preferred embodiment, the first, second, third and fourth connectors 42, 43, 52, 55 are connecting rods.
The control member 61 is configured to drive the first slider 31 to move to a first position in a direction of the second slider 32, in fig. 1A, in order to drive the first slider 31 to move rightward, the second slider 32 is connected to the first slider 31 via the first connecting member 42, the first partition plate 41 and the second connecting member 43, and moves in the same direction at the same time, and the second partition plate 51 moves at the same time via the third connecting member 52 and/or the fourth connecting member 55 connected to the first partition plate 41; the control member 61 is also used to drive the second slider 32 to move to the second position toward the first slider 31, and in fig. 1B, the second slider 32 is driven to move leftward, and similarly, the first slider 31, the first partition plate 41 and the second partition plate 51 move in the same direction at the same time.
In a preferred embodiment, when the first slide 31 moves to the first position, the second slide 32 reaches one end of the body 11; when the second slider 32 moves to the second position, the first slider 31 reaches the other end of the body 11.
In a preferred embodiment, the control member 61 is a solenoid valve, both ends of which are connected to the first chamber 33 and the second chamber 34, respectively, and the first slider 31 and the second slider 32 are driven to move by changing the pressure in the first chamber 33 and the second chamber 34. Specifically, as shown in fig. 1A, the solenoid valve moves the first slider 31 toward the second chamber 34 having a smaller pressure by increasing the pressure in the first chamber 33 and simultaneously decreasing the pressure in the second chamber 34; or as shown in fig. 1B, the solenoid valve moves the second slider 32 toward the first chamber 33 having a smaller pressure by increasing the pressure in the second chamber 34 while decreasing the pressure in the first chamber 33.
The following effects can be achieved by using the reversing valve 100 described above:
when the control member 61 drives the first slider 31 to move towards the second slider 32 to the first position, as shown in fig. 1A, the first connecting pipe 21 is communicated with the second connecting pipe 22 through the third chamber 44, the third connecting pipe 23 is communicated with the sixth connecting pipe 26 through the fourth chamber 53, and the fourth connecting pipe 24 is communicated with the fifth connecting pipe 25 through the fifth chamber 54, so that the communication among the six connecting pipes 2, 2 is realized.
When the control member 61 drives the second slider 32 to move to the second position in the direction of the first slider 31, as shown in fig. 1B, the first connecting pipe 21 is communicated with the fifth connecting pipe 25 and the sixth connecting pipe 26 through the third chamber 44, and the second connecting pipe 22 is communicated with the third connecting pipe 23 and the fourth connecting pipe 24 through the fourth chamber 53, so that the communication between the six connecting pipes 3 and 3 is realized.
The reversing valve 100 may be applied to an air conditioning system capable of switching between cooling and heating, and the following description will be made in detail by taking a compressor in the air conditioning system as a double suction compressor as an example.
Referring to fig. 2A and 2B, the air conditioning system includes a compressor 200, a first indoor unit 300, a second indoor unit 400, and an outdoor unit 500, in addition to the reversing valve 100.
The compressor 200 is a double suction compressor, and includes a first suction port 201, a second suction port 202, and a discharge port 203, the first suction port 201 is communicated with the third connection pipe 23 of the direction valve 100, the second suction port 202 is communicated with the fourth connection pipe 24 of the direction valve 100, and the discharge port 203 is communicated with the first connection pipe 21 of the direction valve 100. The structure and operation principle of the compressor 200 are the prior art, and are not described herein again.
The first indoor unit 300 and the second indoor unit 400 respectively include a heat exchanger and an indoor throttling device, both ends of the first indoor unit 300 are respectively communicated with the outdoor unit 500 and the sixth connecting pipe 26, and both ends of the second indoor unit 400 are respectively communicated with the outdoor unit 500 and the fifth connecting pipe 25. One end of the outdoor unit 500 is simultaneously communicated with the first indoor unit 300 and the second indoor unit 400, and the other end of the outdoor unit 500 is communicated with the second connection pipe 22. The structures and operating principles of the first indoor unit 300, the second indoor unit 400 and the outdoor unit 500 are all the prior art, and are not described herein again.
Referring to fig. 1A and 2A, when the air conditioning system operates in a cooling mode, the control member 61 drives the first slider 31 to move toward the second slider 32 to the first position, the first connecting pipe 21 is communicated with the second connecting pipe 22 through the third cavity 44, the third connecting pipe 23 is communicated with the sixth connecting pipe 26 through the fourth cavity 53, and the fourth connecting pipe 24 is communicated with the fifth connecting pipe 25 through the fifth cavity 54.
The high-temperature and high-pressure refrigerant discharged from the discharge port 203 of the compressor 200 enters the third chamber 44 through the first connection pipe 21 and further enters the second connection pipe 22, arrows in the figure indicate the direction of the refrigerant flow, the refrigerant flowing out of the second connection pipe 22 enters the outdoor unit 500, after exchanging heat with the outdoor environment through the outdoor unit 500, the refrigerant enters the first indoor unit 300 and the second indoor unit 400 respectively, the refrigerant flowing out after exchanging heat with the indoor environment through the first indoor unit 300 and the second indoor unit 400 flows into the reversing valve 100 through the sixth connection pipe 26 and the fifth connection pipe 25 respectively, and enters the third connection pipe 23 and the fourth connection pipe 24 through the fourth chamber 53 and the fifth chamber 54 respectively, the refrigerant flowing out of the third connection pipe 23 and the fourth connection pipe 24 flows into the first suction port 201 and the second suction port 202 of the compressor 200 respectively, and the low-temperature and low-pressure refrigerant returns to the compressor 200 for compression, thus, a refrigeration cycle is formed.
Referring to fig. 1B and fig. 2B, when the air conditioning system performs heating operation, the control element 61 drives the second slider 32 to move to the second position toward the first slider 31, the first connecting pipe 21 is communicated with the fifth connecting pipe 25 and the sixth connecting pipe 26 through the third chamber 44, and the second connecting pipe 22 is communicated with the third connecting pipe 23 and the fourth connecting pipe 24 through the fourth chamber 53.
The high-temperature and high-pressure refrigerant discharged from the discharge port 203 of the compressor 200 enters the third chamber 44 through the first connection pipe 21, and then enters the fifth connection pipe 25 and the sixth connection pipe 26, the refrigerant flowing out of the fifth connection pipe 25 and the sixth connection pipe 26 enters the second indoor unit 400 and the first indoor unit 300, respectively, the refrigerant flowing out after exchanging heat with the indoor environment through the second indoor unit 400 and the first indoor unit 300 flows into the outdoor unit 500, after exchanging heat with the outdoor environment through the outdoor unit 500, the refrigerant flows into the second connection pipe 22 and enters the fourth chamber 53, the refrigerant flowing into the fourth chamber 53 flows into the third connection pipe 23 and the fourth connection pipe 24, respectively, and flows into the first suction port 201 and the second suction port 202 of the compressor 200, and the low-temperature and low-pressure refrigerant returns to the compressor 200 to be compressed, and reciprocates to form a heating cycle.
One end of each of the first indoor unit 300, the second indoor unit 400, and the outdoor unit 500 is an input port, and the other end is an output port, and when the cooling operation and the heating operation are switched, the flow direction of the refrigerant changes, the input port changes to the output port, and the output port changes to the input port.
The reversing valve can conveniently switch six connecting pipes between a 2, 2 and 2 communication mode and a 3 and 3 communication mode, and compared with the scheme of simultaneously using two four-way valves in the prior art, the reversing valve can achieve the same effect, but for an air conditioning system, after one reversing valve is used for replacing two four-way valves, the pipeline is simplified, the pipeline design and the releasing space are convenient, the installation performance of a compressor can be ensured, the further design optimization is convenient, the cost of the valve and the pipeline is reduced, and the reversing valve is particularly suitable for the air conditioning system comprising the double-suction compressor.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (5)
1. An air conditioning system capable of switching between cooling and heating, comprising: the indoor unit comprises a reversing valve, a compressor, a first indoor unit, a second indoor unit and an outdoor unit; wherein,
the direction valve includes:
a body defining a cavity;
the first connecting pipe to the sixth connecting pipe are arranged on the body, and the first connecting pipe to the sixth connecting pipe are communicated with the cavity of the body;
the first sliding block and the second sliding block are movably arranged in the cavity of the body, and a first cavity and a second cavity are respectively defined by the first sliding block, the second sliding block and the inner walls of the two ends of the body;
the first partition plate is movably arranged on the inner wall of the body and is positioned between the first sliding block and the second sliding block, the first partition plate is connected with the first sliding block and the second sliding block through a first connecting piece and a second connecting piece respectively, a third chamber is defined by the first partition plate, the first sliding block, the second sliding block and the inner wall of the body, the first connecting pipe is communicated with the third chamber, and the third chamber is separated from the first chamber and the second chamber;
the second partition plate is movably arranged on the inner wall of the body and is positioned between the first partition plate and the inner wall of the body, the second partition plate is connected with the first partition plate through a third connecting piece and/or a fourth connecting piece, a fourth cavity is defined by the second partition plate, the first partition plate and the inner wall of the body, a fifth cavity is defined by the second partition plate and the inner wall of the body, and the third cavity, the fourth cavity and the fifth cavity are isolated from each other; and
the control piece drives the first sliding block to move to a first position towards the direction of the second sliding block or drives the second sliding block to move to a second position towards the direction of the first sliding block; wherein,
when the control piece drives the first sliding block to move to a first position in the direction of a second sliding block, the first connecting pipe is communicated with the second connecting pipe through the third cavity, the third connecting pipe is communicated with the sixth connecting pipe through the fourth cavity, and the fourth connecting pipe is communicated with the fifth connecting pipe through the fifth cavity;
when the control piece drives the second sliding block to move to a second position towards the direction of the first sliding block, the first connecting pipe is communicated with the fifth connecting pipe and the sixth connecting pipe through a third cavity, and the second connecting pipe is communicated with the third connecting pipe and the fourth connecting pipe through a fourth cavity;
the compressor includes: the first air suction port is communicated with the third connecting pipe, the second air suction port is communicated with the fourth connecting pipe, and the air exhaust port is communicated with the first connecting pipe;
two ends of the first indoor unit are respectively communicated with the outdoor unit and the sixth connecting pipe;
two ends of the second indoor unit are respectively communicated with the outdoor unit and the fifth connecting pipe; and
one end of the outdoor unit is communicated with the first indoor unit and the second indoor unit at the same time, and the other end of the outdoor unit is communicated with the second connecting pipe.
2. The air conditioning system as claimed in claim 1, wherein the first connecting pipe is disposed on a first sidewall of the body, and the second to sixth connecting pipes are disposed on a second sidewall of the body opposite to the first sidewall and arranged in sequence.
3. The air conditioning system as claimed in claim 1, wherein the control member is a solenoid valve having both ends connected to the first and second chambers, respectively, and the first and second sliders are driven to move by changing pressures in the first and second chambers.
4. An air conditioning system according to any of claims 1 to 3, wherein the cross-sectional shape of the body is circular.
5. The air conditioning system as claimed in any one of claims 1 to 3, wherein the first, second, third and fourth connecting members are connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125756.8A CN107166819B (en) | 2016-03-07 | 2016-03-07 | A kind of air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125756.8A CN107166819B (en) | 2016-03-07 | 2016-03-07 | A kind of air-conditioning system |
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| Publication Number | Publication Date |
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| CN107166819A CN107166819A (en) | 2017-09-15 |
| CN107166819B true CN107166819B (en) | 2019-10-15 |
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| CN201610125756.8A Active CN107166819B (en) | 2016-03-07 | 2016-03-07 | A kind of air-conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110131849B (en) * | 2018-02-09 | 2021-06-29 | 青岛海尔空调器有限总公司 | Control method and device for air conditioning system and control method and device for air conditioner |
| CN109855351A (en) * | 2018-12-27 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerator and its control method |
| CN110375404B (en) * | 2019-06-24 | 2023-12-08 | 珠海格力电器股份有限公司 | Fresh air conditioner with double evaporation temperatures and control method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6196273A (en) * | 1984-10-15 | 1986-05-14 | Toshiba Corp | Selector valve |
| DE9302107U1 (en) * | 1993-02-13 | 1993-06-03 | Steuerungstechnik Staiger GmbH & Co Produktions-Vertriebs-KG, 7121 Erligheim | Valve |
| JP2000046213A (en) * | 1998-07-28 | 2000-02-18 | Calsonic Corp | Flow path switching valve |
| CN102654323B (en) * | 2011-03-03 | 2015-01-21 | 山东朗进科技股份有限公司 | Automobile air conditioner system and six-way valve |
| JP2015075211A (en) * | 2013-10-11 | 2015-04-20 | ダイキン工業株式会社 | Flow passage selector valve and refrigerant circuit |
| CN104896612A (en) * | 2015-06-01 | 2015-09-09 | 广东美的暖通设备有限公司 | Air conditioning outdoor unit and air conditioner |
| CN104896143A (en) * | 2015-06-01 | 2015-09-09 | 广东美的暖通设备有限公司 | Six-way reversing valve and air conditioning outdoor unit and air conditioner with same |
| CN204729675U (en) * | 2015-06-01 | 2015-10-28 | 广东美的暖通设备有限公司 | Six-way transfer valve |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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