CN105987198B - Self-operated type four-way valve and its air-conditioning system - Google Patents
Self-operated type four-way valve and its air-conditioning system Download PDFInfo
- Publication number
- CN105987198B CN105987198B CN201510080937.9A CN201510080937A CN105987198B CN 105987198 B CN105987198 B CN 105987198B CN 201510080937 A CN201510080937 A CN 201510080937A CN 105987198 B CN105987198 B CN 105987198B
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- Prior art keywords
- connecting tube
- piston component
- self
- way valve
- pressure chamber
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Classifications
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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
- 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
-
- 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
Abstract
The invention discloses a kind of self-operated type four-way valve and its air-conditioning systems, four-way valve includes valve body, first piston component and second piston component are respectively equipped at body cavity both ends, First pressure chamber is formed between first piston component and corresponding valve body end cap, second pressure chamber is formed between second piston component and corresponding valve body end cap, intermediate pressure cavity is formed between first piston component and second piston component, it is intracavitary equipped with sliding block in intermediate pressure, sliding block is connect with first piston component and second piston component, intermediate pressure cavity is connected with the first connecting tube, second connecting tube, third connecting tube, 4th connecting tube, First pressure chamber is connected with the first capillary, second connecting tube is connect with one end of the second capillary, the second capillary other end is connect with second pressure chamber.The present invention is by realizing the conversion of air-conditioning system operating status, without being additionally provided power source using the height pressure difference and reset spring automatic switchover refrigerant flow direction in air-conditioning system.
Description
Technical field
The present invention relates to air-conditioning systems.
Background technique
When energy-saving air conditioning product freezes at present, need to carry out functional form heat exchange (as heat is returned to part by refrigeration piping
Receipts, electronic control module cooling, economizer etc.), and heat and do not need (easy condensation etc.), it is therefore desirable to runner is switched over.Now
Solve the problems, such as this, first is that connect a check valve on auxiliary cooler, and the reversed entrance of check valve and auxiliary cooler simultaneously
Join the outlet of capillary access outdoor heat exchanger, refrigerant enters check valve and is obstructed just through the entrance of thus capillary when heating in this way
Outdoor heat exchanger outlet, but this way can generate flow resistance, cause system pressure drop excessive, and have dirty risk stifled, ice is stifled；Second is that simultaneously
Join two solenoid valves, this way cost is excessively high, and needs to change automatically controlled scheme.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of self-operated type four-way valve and its air-conditioning systems, utilize air-conditioning
Flow direction in system between each head piece of height pressure differential four-way valve, guarantees effective operation of air-conditioning system.
In order to solve the above technical problems, the present invention adopts the following technical scheme: self-operated type four-way valve, including valve body, in valve
Intracoelomic cavity both ends are respectively equipped with first piston component and second piston component, the first piston component and corresponding valve body end cap
Between form First pressure chamber, between the second piston component and corresponding valve body end cap formed second pressure chamber, first
Intermediate pressure cavity is formed between piston component and second piston component, is equipped with sliding block, the sliding block and the intermediate pressure is intracavitary
One piston component is connected with second piston component, and the intermediate pressure cavity is connected with the first connecting tube, the second connecting tube, third and connects
Adapter tube, the 4th connecting tube, first connecting tube, third connecting tube, the 4th connecting tube access the interface of intermediate pressure cavity in due order
Sequence is arranged side by side and is staggered in valve body circumferential direction with the interface of the second connecting tube access intermediate pressure cavity, and the First pressure chamber connects
It is connected to the first capillary, second connecting tube is connect with one end of the second capillary, the second capillary other end and
The connection of two pressure chambers；
In the case where heating working condition, first piston components drive sliding block makes the first connection to second piston component side slip
Interface tube is connected to intermediate pressure cavity, while third connecting tube being connected with the 4th connection interface tube, and refrigerant is followed by the
One connecting tube, intermediate pressure cavity, the second connecting tube；
Under refrigeration work state, second piston components drive sliding block makes the 4th connection to first piston component side slip
Pipe is connected to intermediate pressure cavity, while by the first connecting tube and third connecting tube orifice, refrigerant flow through the second connecting tube,
Intermediate pressure cavity, the 4th connecting tube, the first connecting tube.
Preferably, first connecting tube is connect with the first evaporator/condenser, first connecting tube and the first evaporation
Pipeline between device/condenser is equipped with throttle valve, and first capillary one end is accessed between the first connecting tube and throttle valve
Pipeline, second connecting tube are connect with the second evaporator/condenser.
Preferably, the third connecting tube and the 4th connecting tube are respectively connected to the exit and entrance of heat exchanger.
Preferably, the intermediate pressure is intracavitary is equipped with valve seat, first connecting tube, third connecting tube, the 4th connecting tube
Intermediate pressure cavity is accessed by valve seat, sliding sealing surface fit structure is equipped between the valve seat and sliding block.
Preferably, reset spring is equipped in the First pressure chamber between first piston component and valve body end cap.
Preferably, the first piston component uses bidirectional piston bowl.
Preferably, the sliding block is bridge architecture, and slider bottom both ends are respectively provided with a L-type stabilizer blade.
Preferably, driving plate is equipped between the L-type stabilizer blade lateral end panel and corresponding piston component, in the driving plate
Equipped with through-hole.
In addition, being equipped with above-mentioned self-operated type four-way valve the invention also provides a kind of air-conditioning system.
The present invention is by realizing using the height pressure difference and reset spring automatic switchover refrigerant flow direction in air-conditioning system
The conversion of air-conditioning system operating status will not cause drag losses, therefore saved cost without being additionally provided power source,
Reduce energy consumption.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
The self-operated type four-way valve structural schematic diagram that Fig. 1 is；
Fig. 2 is the working principle diagram after self-operated type four-way valve access air-conditioning system in refrigerating state；
Fig. 3 is the working principle diagram after self-operated type four-way valve access air-conditioning system in heating state；
Fig. 4 is the air-conditioning system structure principle chart for being equipped with self-operated type four-way valve.
Specific embodiment
As shown in Figure 1, self-operated type four-way valve, including valve body 10, first piston component is respectively equipped at body cavity both ends
11 and second piston component 12, First pressure chamber is formed between the first piston component 11 and corresponding valve body end cap, it is described
Second pressure chamber is formed between second piston component 12 and corresponding valve body end cap, in first piston component and second piston component
Between form intermediate pressure cavity, be equipped with sliding block 13, the sliding block 13 and first piston component 11 and second intermediate pressure is intracavitary
Piston component 12 connect, the intermediate pressure cavity be connected with the first connecting tube 101, the second connecting tube 102, third connecting tube 103,
4th connecting tube 104, first connecting tube 101, third connecting tube 103, the 4th connecting tube 104 access connecing for intermediate pressure cavity
Mouth is arranged side by side in order and is staggered in valve body circumferential direction with the interface of the second connecting tube 102 access intermediate pressure cavity, preferably
Interval 180 degree is situated so as to the arrangement of pipeline, and the First pressure chamber is connected with the first capillary 105, the second pressure
Chamber is connected with the second capillary 106, and 106 other end of the second capillary is connect with the second connecting tube 102.
It is intracavitary equipped with valve seat 15, first connecting tube 101, third connecting tube 103, the 4th connecting tube in intermediate pressure
104 access intermediate pressure cavity by valve seat 15, and sliding sealing surface fit structure, sliding block are equipped between the valve seat 15 and sliding block 13
13 by sliding sealing surface fit structure along valve seat 15 slide, realize connection interface tube closing be connected to.
Reset spring 14 is equipped in the First pressure chamber between first piston component 11 and valve body end cap.Self-operated type four
Port valve utilizes the height pressure difference and 14 mating reaction of reset spring automatic switchover refrigerant flow direction in air-conditioning system.Described first is living
Plug assembly 11 uses bidirectional piston bowl, to reduce the interior leakage between First pressure chamber and intermediate pressure cavity, to guarantee to throttle
Pressure difference is not influenced by interior leakage before and after valve.
Sliding block 13 therein is bridge architecture, and 13 bottom both ends of sliding block are respectively provided with a L-type stabilizer blade, sliding block bridge opening and valve seat it
Between form connection chamber, so that the first connecting tube and third is connected interface tube and be connected under refrigerating state, make third connecting tube and the 4th
Connection interface tube is connected under heating state.It is driven in addition, being equipped between the L-type stabilizer blade lateral end panel and corresponding piston component
Movable plate, piston component drive sliding block to slide by driving plate, and driving plate is L-type structure, with first piston component, second piston group
Part is bolted, and driving plate is equipped with through-hole, is connected to driving plate two sides space, refrigerant is also by flow therethrough.
As shown in Figures 2 and 3, after self-operated type four-way valve accesses air-conditioning system, first connecting tube 101 and first is steamed
It sends out device/condenser 2 to connect, the pipeline between first connecting tube 101 and the first evaporator/condenser 2 is equipped with throttle valve
5, pipeline between the first connecting tube 101 and throttle valve 5 is accessed in described first capillary, 105 one end, second connecting tube 102 with
The connection of second evaporator/condenser 3, the third connecting tube 103 and the 4th connecting tube 104 are respectively connected to the outlet of heat exchanger 4
And entrance.
As shown in Fig. 2, the entrance of the first capillary 105 is located at condenser, and (the first evaporator/condenser 2 is at this time when heating
Used as condenser) and throttle valve 5 between, the first capillary 105 and First pressure chamber connection form high pressure chest, add
The elastic force of reset spring 14 acts on, and sliding block 13 is pushed to move toward left side, and is located at 10 right side of valve body, and refrigerant passes through at this time
Enter the first connecting tube 101 after throttle valve 5, then by intermediate pressure cavity, is flowed out from the second connecting tube 102, third connecting tube 103
With 104 intercommunication of the 4th connecting tube but separated by sliding block 13.
As shown in figure 3, by condenser, (the second evaporator/condenser 3 makes as condenser refrigerant at this time when refrigeration
With) after, into the second connecting tube 102, the second connecting tube 102 is connected the second capillary 106 with second pressure chamber, makes the second pressure
Power chamber forms high pressure chest, and First pressure chamber is connected through the first capillary 105 with the outlet of throttle valve 5, belongs to low pressure chamber, piston or so
After formation height pressure difference overcomes the elastic force of frictional force and reset spring 14, sliding block 13 is pushed to move toward left side, and make sliding block 13
In 10 left side of valve body, refrigerant flows into the 4th connecting tube 104 through the second connecting tube 102 at this time, is passed through into after bypassing heat exchanger 4
Third connecting tube 103, then flowed out from the first connecting tube 101, into throttle valve 5.
As shown in figure 4, a kind of air-conditioning system for being equipped with self-operated type four-way valve, including compressor, four-way valve, indoor heat exchange
Device, expansion valve, self-operated type four-way valve, bypass heat exchanger, outdoor heat exchanger, wherein compressor, four-way valve, indoor heat exchanger, swollen
Swollen valve, bypass heat exchanger, the conventional components that outdoor heat exchanger is existing air-conditioning system, and after being mounted with self-operated type four-way valve,
Form air-conditioning system of the invention.
When heating, the entrance of the first capillary 105 between indoor heat exchanger and expansion valve, the first capillary 105 with
First pressure chamber connection forms high pressure chest, along with the elastic force of reset spring 14 acts on, sliding block 13 is pushed to move toward left side, and
It is located at 10 right side of valve body, refrigerant enters the first connecting tube 101 after expansion valve at this time, then passes through intermediate pressure cavity,
It flows out, third connecting tube 103 and 104 intercommunication of the 4th connecting tube but is separated by sliding block 13 from the second connecting tube 102.
When refrigeration, refrigerant is after outdoor heat exchanger, and into the second connecting tube 102, the second capillary 106 connects second
Adapter tube 102 is connected with second pressure chamber, and second pressure chamber is made to form high pressure chest, and First pressure chamber through the first capillary 105 with
The outlet of throttle valve 5 conducting belongs to low pressure chamber, after piston or so formation height pressure difference overcomes the elastic force of frictional force and reset spring 14,
It pushes sliding block 13 to move toward left side, and sliding block 13 is made to be located at the left side of valve body 10, refrigerant is through the second connecting tube 102 inflow the at this time
Four connecting tubes 104 are passed through third connecting tube 103 into after bypassing heat exchanger, then flow out from the first connecting tube 101, into expansion
Valve.
Claims (9)
1. self-operated type four-way valve, including valve body are respectively equipped with first piston component and second piston component at body cavity both ends,
Form First pressure chamber between the first piston component and corresponding valve body end cap, the second piston component and corresponding valve
Second pressure chamber is formed between body end lid, intermediate pressure cavity is formed between first piston component and second piston component, in
Between sliding block is equipped in pressure chamber, the sliding block is connect with first piston component and second piston component, it is characterised in that: in described
Between pressure chamber be connected with the first connecting tube, the second connecting tube, third connecting tube, the 4th connecting tube, first connecting tube, third
The interface that connecting tube, the 4th connecting tube access intermediate pressure cavity is arranged side by side in order and accesses intermediate pressure with the second connecting tube
The interface of chamber is staggered in valve body circumferential direction, and the First pressure chamber is connected with the first capillary, second connecting tube and second
One end of capillary connects, and the second capillary other end is connect with second pressure chamber；
In the case where heating working condition, first piston components drive sliding block connects the first connecting tube to second piston component side slip
Mouth is connected to intermediate pressure cavity, while third connecting tube being connected with the 4th connection interface tube, and refrigerant connects followed by first
Adapter tube, intermediate pressure cavity, the second connecting tube；
Under refrigeration work state, second piston components drive sliding block to first piston component side slip, make the 4th connecting tube with
Intermediate pressure cavity connection, while by the first connecting tube and third connecting tube orifice, refrigerant flows through the second connecting tube, centre
Pressure chamber, the 4th connecting tube, the first connecting tube.
2. self-operated type four-way valve according to claim 1, it is characterised in that: first connecting tube and the first evaporator/
Condenser connection, pipeline between first connecting tube and the first evaporator/condenser are equipped with throttle valve, and described first mao
Pipeline between the first connecting tube and throttle valve is accessed in tubule one end, and second connecting tube is connect with the second evaporator/condenser.
3. self-operated type four-way valve according to claim 2, it is characterised in that: the third connecting tube and the 4th connecting tube point
Not Jie Ru heat exchanger exit and entrance.
4. self-operated type four-way valve according to claim 1, it is characterised in that: the intermediate pressure is intracavitary to be equipped with valve seat, institute
It states the first connecting tube, third connecting tube, the 4th connecting tube and intermediate pressure cavity is accessed by valve seat, set between the valve seat and sliding block
There is sliding sealing surface fit structure.
5. self-operated type four-way valve according to claim 1, it is characterised in that: in first piston group in the First pressure chamber
Reset spring is equipped between part and valve body end cap.
6. self-operated type four-way valve according to claim 5, it is characterised in that: the first piston component uses bidirectional piston
Bowl.
7. self-operated type four-way valve according to claim 1, it is characterised in that: the sliding block is bridge architecture, slider bottom
Both ends are respectively provided with a L-type stabilizer blade.
8. self-operated type four-way valve according to claim 7, it is characterised in that: the L-type stabilizer blade lateral end panel with it is corresponding
Driving plate is equipped between piston component, the driving plate is equipped with through-hole.
9. a kind of air-conditioning system, it is characterised in that: be equipped with self-operated type four-way valve described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080937.9A CN105987198B (en) | 2015-02-15 | 2015-02-15 | Self-operated type four-way valve and its air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080937.9A CN105987198B (en) | 2015-02-15 | 2015-02-15 | Self-operated type four-way valve and its air-conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105987198A CN105987198A (en) | 2016-10-05 |
| CN105987198B true CN105987198B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510080937.9A Active CN105987198B (en) | 2015-02-15 | 2015-02-15 | Self-operated type four-way valve and its air-conditioning system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156652A (en) * | 2020-01-19 | 2020-05-15 | 珠海格力电器股份有限公司 | Four-way valve, four-way valve assembly, air conditioner and working method of air conditioner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3263360B2 (en) * | 1998-04-10 | 2002-03-04 | ダイキン工業株式会社 | Four-way switching valve |
| JP2011158223A (en) * | 2010-02-03 | 2011-08-18 | Fujitsu General Ltd | Four-way valve and refrigerating cycle using the same |
| CN201739561U (en) * | 2010-08-25 | 2011-02-09 | 北京紫荆信达节能科技有限公司 | Self-force type three-way valve |
| CN102537414A (en) * | 2012-02-17 | 2012-07-04 | 海信（山东）空调有限公司 | Three-way valve improved by utilizing air-condition four-way valve, hot-water air-conditioning system and air conditioner |
| CN202580123U (en) * | 2012-05-15 | 2012-12-05 | 珠海格力电器股份有限公司 | Four-way valve for R32 refrigerating fluid and air conditioner |
| CN104235464A (en) * | 2013-06-09 | 2014-12-24 | 浙江盾安禾田金属有限公司 | Switch valve |
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2015
- 2015-02-15 CN CN201510080937.9A patent/CN105987198B/en active Active
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| CN105987198A (en) | 2016-10-05 |
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