CN106286891A - Combined electromagnetic switching valve and air conditioning system thereof - Google Patents
Combined electromagnetic switching valve and air conditioning system thereof Download PDFInfo
- Publication number
- CN106286891A CN106286891A CN201510252452.3A CN201510252452A CN106286891A CN 106286891 A CN106286891 A CN 106286891A CN 201510252452 A CN201510252452 A CN 201510252452A CN 106286891 A CN106286891 A CN 106286891A
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- Prior art keywords
- adapter
- slide block
- valve
- intermediate pressure
- connection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of combined electromagnetic switching valve and air conditioning system thereof, combined electromagnetic switching valve includes valve body, it is respectively arranged at two ends with first piston assembly and the second piston component at body cavity, the first pressure chamber is formed between described first piston assembly and corresponding valve body end cap, the second pressure chamber is formed between described second piston component and corresponding valve body end cap, intermediate pressure cavity is formed between first piston assembly and the second piston component, it is provided with slide block at intermediate pressure intracavity, described slide block is connected with first piston assembly and the second piston component, described slide block includes the first slide block and the second slide block, described intermediate pressure cavity connects has E to take over, S takes over, C takes over, D connection, X takes over, Y takes over, Z takes over.The present invention is switched by the driving of pilot valve, utilizes the height pressure reduction automatic switchover refrigerant flow direction in air conditioning system, it is achieved that the conversion of air conditioning system running status, without being additionally provided power source, do not result in big drag losses, therefore saved cost, decreased energy resource consumption.
Description
Technical field
The present invention relates to air conditioning system.
Background technology
At present during energy-saving air conditioning product refrigeration, need by refrigeration system pipeline carry out functional type heat exchange (as
Recuperation of heat, electronic control module cooling, economizer etc.), and heat and need not (easy condensation etc.), it is therefore desirable to right
Runner switches over shunting.Solving now this problem, one is to connect a check valve on auxiliary cooler, and
Outdoor heat exchanger outlet is accessed, so at the reverse import department of a check valve capillary in parallel with auxiliary cooler
When heating, coolant entrance check valve is obstructed just through the entrance outdoor heat exchanger outlet of thus capillary tube, but this way meeting
Produce flow resistance, cause system pressure drop excessive, and have dirty stifled, risk that ice is stifled；Two is two electromagnetic valves in parallel,
This way high cost, and need to change automatically controlled scheme.
Summary of the invention
The technical problem to be solved is just to provide a kind of combined electromagnetic switching valve and air-conditioning system thereof
System, the driving at pilot valve is but changed, and utilizes between the air conditioning system interior height pressure differential switching each head piece of valve
The flow direction, it is ensured that effective operation of air conditioning system.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that combined electromagnetic switches valve, bag
Including valve body, be respectively arranged at two ends with first piston assembly and the second piston component at body cavity, described first lives
The first pressure chamber, described second piston component and corresponding valve is formed between plug assembly and corresponding valve body end cap
Form the second pressure chamber between body end cap, between first piston assembly and the second piston component, form intermediate pressure
Power chamber, is provided with slide block at intermediate pressure intracavity, and described slide block connects with first piston assembly and the second piston component
Connecing, described slide block includes the first slide block and the second slide block, described intermediate pressure cavity connects has E adapter, S to take over,
C adapter, D connection, X adapter, Y adapter, Z adapter,
During refrigeration, D connection is turned on by the first slide block with S adapter with C adapter conducting, E adapter, and Z connects
Pipe is closed by the valve plate of the second slide block, and X adapter is turned on by the second slide block with Y adapter；
When heating, D connection is turned on by the first slide block with S adapter with E adapter conducting, C adapter, and X connects
Pipe is closed by the valve plate of the second slide block, and Y adapter is turned on by the second slide block with Z adapter.
Preferably, described E adapter, S adapter, C adapter access the interface of intermediate pressure cavity the most side by side
Arranging, described E adapter, S adapter, the interface of C adapter access intermediate pressure cavity are opened and closed by the first slide block, institute
State X adapter, Y takes over, the interface of Z adapter access intermediate pressure cavity is arranged side by side in order, and described X connects
Pipe, Y adapter, Z adapter access the interface of intermediate pressure cavity and are opened and closed by the second slide block, and described first pressure chamber is even
Being connected to the first connected entrance, described second pressure chamber connects the second connected entrance.
Preferably, in the middle of described E adapter, S adapter, C adapter, X adapter, Y adapter, Z adapter access
The interface of pressure chamber is positioned at the same circumferential position of intermediate pressure cavity, and with the interface of D connection at intermediate pressure
Stagger in the circumference in chamber.
Preferably, described intermediate pressure intracavity is provided with the first valve seat and the second valve seat, described E takes over, S takes over,
C adapter accesses intermediate pressure cavity by the first valve seat, is provided with slip close between described first valve seat and the first slide block
Front cover fit structure, described X adapter, Y adapter, Z take over by the second valve seat access intermediate pressure cavity,
It also is provided with sliding sealing surface fit structure between described second valve seat and the second slide block.
Preferably, described first slide block is bridge architecture, and in the first slide block, bridge opening is to connect biphase adjacent pipe
Connection chamber, the first slider bottom is respectively arranged at the two ends with a L-type leg, described L-type leg base plate bottom surface and first
Valve seat slipper seal.
Preferably, described second slide block is bridge architecture, and in the second slide block, bridge opening is to connect biphase adjacent pipe
Connection chamber, the second slider bottom is respectively arranged at the two ends with a L-type leg, described L-type leg base plate bottom surface and second
Valve seat slipper seal, the base plate of described L-type leg extends the valve plate forming blanked-off nozzle interface laterally.
Preferably, described leading truck is provided with slider bore, and described first slide block and the second slide block penetrate slider bore.
It addition, the invention allows for a kind of air conditioning system, including compressor, indoor set, off-premises station, side
Logical heat exchanger, expansion valve, be additionally provided with pilot valve and combinations of the above formula electromagnetic switching valve；
During refrigeration, pilot valve iron inner core and attractor depart from, and high-pressure refrigerant is from pilot valve entrance group the most afterwards
Box-like electromagnetic switching valve the second pressure chamber, promotes piston component and slide block toward the first pressure chamber one lateral movement, makes
Obtaining D connection to be turned on by the first slide block with C adapter conducting, E adapter and S adapter, Z adapter is sliding by second
The valve plate of block is closed, cold-producing medium from compressor outlet out after, flow through D connection → C adapter → outdoor successively
Machine → Y adapter → X takes over → bypasses heat exchanger → expansion valve → indoor set → E adapter → S adapter → compression
Machine；
When heating, pilot valve iron inner core and attractor adhesive, high-pressure refrigerant is from pilot valve entrance group the most afterwards
Box-like electromagnetic switching valve the first pressure chamber, promotes piston component and slide block toward the second pressure chamber one lateral movement, makes
Obtaining D connection to be turned on by the first slide block with E adapter conducting, C adapter and S adapter, X adapter is sliding by second
The valve plate of block is closed, cold-producing medium from compressor outlet out after, flow through D connection → E adapter → indoor successively
Machine → expansion valve → Z adapter → Y adapter → off-premises station → C adapter → S adapter → compressor.
The present invention is switched by the driving of pilot valve, utilizes the height pressure reduction in air conditioning system to automatically switch and freezes
Agent flows to, it is achieved that the conversion of air conditioning system running status, it is not necessary to be additionally provided power source, does not results in big
Drag losses, therefore saved cost, decreased energy resource consumption.
Accompanying drawing explanation
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is combined electromagnetic switch valve structure schematic diagram；
Fig. 2 is the fundamental diagram that combined electromagnetic switching valve accesses after air conditioning system at refrigerating state；
Fig. 3 is to heat the fundamental diagram of state after combined electromagnetic switching valve accesses air conditioning system.
Detailed description of the invention
As shown in Figure 1 to Figure 3, combined electromagnetic switching valve, including valve body 10, divides at body cavity two ends
It is not provided with first piston assembly 11 and the second piston component 12, described first piston assembly and corresponding valve body end
Form the first pressure chamber between lid, between described second piston component and corresponding valve body end cap, form the second pressure
Power chamber, forms intermediate pressure cavity, at intermediate pressure intracavity between first piston assembly and the second piston component
Being provided with slide block, described slide block is connected with first piston assembly and the second piston component, and described slide block includes first
Slide block 13 and the second slide block 14, described first slide block and the second slide block be installed on same leading truck 15, institute
State the first slide block 13 and the second slide block 14 together with leading truck 15 by first piston assembly the 11, second piston set
Part 12 drives and slides axially along intermediate pressure cavity, and described intermediate pressure cavity connects E adapter, S adapter, C
Adapter, D connection, X adapter, Y adapter, Z adapter, during described E adapter, S adapter, C adapter access
Between the interface of pressure chamber be arranged side by side in order, described E adapter, S adapter, C adapter access intermediate pressure cavity
Interface opened and closed by the first slide block 13, described X adapter, Y adapter, Z adapter access the connecing of intermediate pressure cavity
Mouthful being arranged side by side in order, described X adapter, Y adapter, Z adapter access the interface of intermediate pressure cavity by the
Two slide blocks 14 open and close, and described first pressure chamber connects the first connected entrance 101, and described second pressure chamber connects
There is the second connected entrance 102.
Described E adapter, S adapter, C adapter, X adapter, Y adapter, Z adapter access intermediate pressure cavity
Interface is positioned at the same circumferential position of intermediate pressure cavity, and with the interface of D connection in the circumference of intermediate pressure cavity
On stagger.Described intermediate pressure intracavity is provided with the first valve seat and the second valve seat, described E adapter, S adapter, C
Take over and access intermediate pressure cavity by the first valve seat, be provided with slip between described first valve seat and the first slide block close
Front cover fit structure, described X adapter, Y adapter, Z take over by the second valve seat access intermediate pressure cavity,
It also is provided with sliding sealing surface fit structure between described second valve seat and the second slide block.Described first slide block 13 is
Bridge architecture, in the first slide block, bridge opening is the connection chamber connecting biphase adjacent pipe, and the first slider bottom two ends are each
It is provided with a L-type leg, described L-type leg base plate bottom surface and the first valve seat slipper seal.Described second slide block
14 is bridge architecture, and in the second slide block, bridge opening is the connection chamber connecting biphase adjacent pipe, the second slider bottom two
End is respectively provided with a L-type leg, described L-type leg base plate bottom surface and the second valve seat slipper seal, described L-type
The base plate of leg extends the valve plate forming blanked-off nozzle interface laterally.Described leading truck 15 is provided with slider bore,
Described first slide block 13 and the second slide block 14 penetrate slider bore.
As shown in Figures 2 and 3, combinations of the above formula electromagnetic switching valve access air conditioning system, this air conditioning system,
Including compressor, indoor set, off-premises station, bypass heat exchanger, expansion valve, pilot valve.
Wherein, described pilot valve is provided with access tube 21 and E capillary tube, S capillary tube, C capillary tube, institute
Stating access tube 21 to connect with D connection, described E capillary tube and the first connected entrance 101 are connected, described C hair
Tubule and the second connected entrance 102 are connected, and described S capillary tube is connected with S adapter.
E adapter connect with indoor set first interface, Z adapter with indoor set the second orifice, Z take over and
Between indoor set the second interface, pipeline is provided with expansion valve, and C adapter connects with off-premises station first interface, and Y takes over
With off-premises station the second orifice, X adapter connects with bypass heat exchanger first interface, bypasses heat exchanger second
Interface accesses pipeline between expansion valve and Z adapter, and compressor is located between S adapter and D connection on pipeline.
During refrigeration, pilot valve iron inner core and attractor depart from, and high-pressure refrigerant enters the most afterwards from pilot valve and cuts
Change valve the second pressure chamber, promote piston component and slide block toward the first pressure chamber one lateral movement so that D connection with
C takes over conducting, and E adapter is turned on by bridge opening in the first slide block with S adapter, and Z adapter is by the valve of the second slide block
Plate close, cold-producing medium from compressor outlet out after, flow through D connection → C adapter → off-premises station → Y successively
Adapter → X takes over → bypasses heat exchanger → expansion valve → indoor set → E adapter → S adapter → compressor；
When heating, pilot valve iron inner core and attractor adhesive, high-pressure refrigerant enters the most afterwards from pilot valve and cuts
Change valve the first pressure chamber, promote piston component and slide block toward the second pressure chamber one lateral movement so that D connection with
E takes over conducting, and C adapter is turned on by bridge opening in the first slide block with S adapter, and X adapter is by the valve of the second slide block
Plate is closed, cold-producing medium from compressor outlet out after, flow through D connection → E adapter → indoor set → swollen successively
Swollen valve → Z adapter → Y adapter → off-premises station → C adapter → S adapter → compressor.
Claims (8)
1. combined electromagnetic switching valve, including valve body, is respectively arranged at two ends with first piston assembly and the at body cavity
Two piston components, form the first pressure chamber between described first piston assembly and corresponding valve body end cap, described
The second pressure chamber is formed, at first piston assembly and second between second piston component and corresponding valve body end cap
Forming intermediate pressure cavity between piston component, be provided with slide block at intermediate pressure intracavity, described slide block and first is lived
Plug assembly and the second piston component connect, it is characterised in that: described slide block includes the first slide block and the second slide block,
Described intermediate pressure cavity connects E adapter, S adapter, C adapter, D connection, X adapter, Y adapter, Z
Adapter,
During refrigeration, D connection is turned on by the first slide block with S adapter with C adapter conducting, E adapter, Z
Taking over and closed by the valve plate of the second slide block, X adapter is turned on by the second slide block with Y adapter；
When heating, D connection is turned on by the first slide block with S adapter with E adapter conducting, C adapter, X
Taking over and closed by the valve plate of the second slide block, Y adapter is turned on by the second slide block with Z adapter.
Combined electromagnetic the most according to claim 1 switching valve, it is characterised in that: described E adapter, S connect
Pipe, C adapter accesses the interface of intermediate pressure cavity and is arranged side by side in order, and described E adapter, S adapter, C connect
Pipe accesses the interface of intermediate pressure cavity and is opened and closed by the first slide block, and described X adapter, Y adapter, Z take over access
The interface of intermediate pressure cavity is arranged side by side in order, and described X adapter, Y adapter, Z adapter access intermediate pressure
The interface in power chamber is opened and closed by the second slide block, and described first pressure chamber connects the first connected entrance, described second pressure
Power chamber connects the second connected entrance.
Combined electromagnetic the most according to claim 2 switching valve, it is characterised in that: described E adapter, S connect
Manage, C takes over, X takes over, Y takes over, the interface of Z adapter access intermediate pressure cavity is positioned at intermediate pressure cavity
Same circumferential position, and stagger in the circumference of intermediate pressure cavity with the interface of D connection.
Combined electromagnetic the most according to claim 3 switching valve, it is characterised in that: described intermediate pressure intracavity
Being provided with the first valve seat and the second valve seat, described E adapter, S adapter, C adapter access middle by the first valve seat
Pressure chamber, is provided with sliding sealing surface fit structure between described first valve seat and the first slide block, described X adapter,
Y adapter, Z adapter access intermediate pressure cavity by the second valve seat, between described second valve seat and the second slide block also
It is provided with sliding sealing surface fit structure.
5. switch valve according to the combined electromagnetic described in Claims 1-4 any one, it is characterised in that: described
First slide block is bridge architecture, and in the first slide block, bridge opening is the connection chamber connecting biphase adjacent pipe, the first slide block
Bottom is respectively arranged at the two ends with a L-type leg, described L-type leg base plate bottom surface and the first valve seat slipper seal.
Combined electromagnetic the most according to claim 5 switching valve, it is characterised in that: described second slide block is bridge
Formula structure, in the second slide block, bridge opening is the connection chamber connecting biphase adjacent pipe, and the second slider bottom two ends respectively set
There are a L-type leg, described L-type leg base plate bottom surface and the second valve seat slipper seal, described L-type leg
Base plate extends the valve plate forming blanked-off nozzle interface laterally.
Combined electromagnetic the most according to claim 6 switching valve, it is characterised in that: described leading truck is provided with cunning
Block hole, described first slide block and the second slide block penetrate slider bore.
8. an air conditioning system, including compressor, indoor set, off-premises station, bypass heat exchanger, expansion valve, it is special
Levy and be: be additionally provided with the combined electromagnetic switching valve described in pilot valve and claim 1 to 6 any one；
During refrigeration, pilot valve iron inner core and attractor depart from, and high-pressure refrigerant is from pilot valve entrance group the most afterwards
Box-like electromagnetic switching valve the second pressure chamber, promotes piston component and slide block toward the first pressure chamber one lateral movement, makes
Obtaining D connection to be turned on by the first slide block with C adapter conducting, E adapter and S adapter, Z adapter is sliding by second
The valve plate of block is closed, cold-producing medium from compressor outlet out after, flow through D connection → C adapter → outdoor successively
Machine → Y adapter → X takes over → bypasses heat exchanger → expansion valve → indoor set → E adapter → S adapter → compression
Machine；
When heating, pilot valve iron inner core and attractor adhesive, high-pressure refrigerant is from pilot valve entrance group the most afterwards
Box-like electromagnetic switching valve the first pressure chamber, promotes piston component and slide block toward the second pressure chamber one lateral movement, makes
Obtaining D connection to be turned on by the first slide block with E adapter conducting, C adapter and S adapter, X adapter is sliding by second
The valve plate of block is closed, cold-producing medium from compressor outlet out after, flow through D connection → E adapter → indoor successively
Machine → expansion valve → Z adapter → Y adapter → off-premises station → C adapter → S adapter → compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252452.3A CN106286891B (en) | 2015-05-15 | 2015-05-15 | Combined electromagnetic switching valve and its air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252452.3A CN106286891B (en) | 2015-05-15 | 2015-05-15 | Combined electromagnetic switching valve and its air-conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286891A true CN106286891A (en) | 2017-01-04 |
| CN106286891B CN106286891B (en) | 2019-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510252452.3A Active CN106286891B (en) | 2015-05-15 | 2015-05-15 | Combined electromagnetic switching valve and its air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286891B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966436A (en) * | 2018-09-29 | 2020-04-07 | 广东美芝精密制造有限公司 | Electromagnetic valve, and compression device, refrigeration cycle system and air conditioner provided with same |
| CN111442115A (en) * | 2020-03-19 | 2020-07-24 | 珠海格力电器股份有限公司 | Four-way valve and air conditioning system using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046213A (en) * | 1998-07-28 | 2000-02-18 | Calsonic Corp | Flow path switching valve |
| CN102252114A (en) * | 2010-05-17 | 2011-11-23 | 株式会社鹭宫制作所 | Flow path switching valve |
| JP2014190642A (en) * | 2013-03-28 | 2014-10-06 | Hitachi Appliances Inc | Air conditioner |
| CN204027097U (en) * | 2014-05-20 | 2014-12-17 | 珠海格力电器股份有限公司 | Heat pump air conditioner and fluid reversing mechanism |
| 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 |
-
2015
- 2015-05-15 CN CN201510252452.3A patent/CN106286891B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046213A (en) * | 1998-07-28 | 2000-02-18 | Calsonic Corp | Flow path switching valve |
| CN102252114A (en) * | 2010-05-17 | 2011-11-23 | 株式会社鹭宫制作所 | Flow path switching valve |
| JP2014190642A (en) * | 2013-03-28 | 2014-10-06 | Hitachi Appliances Inc | Air conditioner |
| 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 |
| CN204027097U (en) * | 2014-05-20 | 2014-12-17 | 珠海格力电器股份有限公司 | Heat pump air conditioner and fluid reversing mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966436A (en) * | 2018-09-29 | 2020-04-07 | 广东美芝精密制造有限公司 | Electromagnetic valve, and compression device, refrigeration cycle system and air conditioner provided with same |
| CN111442115A (en) * | 2020-03-19 | 2020-07-24 | 珠海格力电器股份有限公司 | Four-way valve and air conditioning system using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286891B (en) | 2019-06-11 |
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