CN107289152A - A kind of four-way reversing valve and its pilot valve - Google Patents
A kind of four-way reversing valve and its pilot valve Download PDFInfo
- Publication number
- CN107289152A CN107289152A CN201610225287.7A CN201610225287A CN107289152A CN 107289152 A CN107289152 A CN 107289152A CN 201610225287 A CN201610225287 A CN 201610225287A CN 107289152 A CN107289152 A CN 107289152A
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- low pressure
- valve
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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
- 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
- F16K11/0655—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 with flat slides
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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
- F16K31/02—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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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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)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of four-way reversing valve and its pilot valve, including pressure duct A, low pressure line C and the first switching pipeline B and the second switching pipeline D, in the first station, the pressure duct A is connected with the second switching pipeline D, the low pressure line C is connected with the first switching pipeline B, in the second station, the pressure duct A is connected with the first switching pipeline B, the low pressure line C is connected with the second switching pipeline D, it is characterized in that, also there is 3rd station, in 3rd station, the pressure duct A is connected with low pressure line C.The pressure of the four-way reversing valve and its pilot valve energy Fast-Balance system high pressure side and low-pressure side, makes system be in equal pressure condition, and then reaches and the purpose such as can just be defrosted using high temperature refrigerant progress without switch operating state.
Description
Technical field
The present invention relates to the use of refrigerant freezed or heated technical field, particularly air-conditioning, compressor,
Four-way reversing valve and its pilot valve used in the systems such as refrigerator, water heater.
Background technology
Four-way reversing valve is mainly used in the systems such as heat pump air conditioner, water heater, to realize refrigerant stream in system
The switching in road, and then realize that whole system such as is freezed, heated, defrosting at the function.
Guide's valve member is one of important composition part of four-way reversing valve, is other for main valve body commutation
The normal work of parts builds required basis, to realize every basic function of four-way reversing valve.
As shown in figure 1, the pilot valve of existing four-way reversing valve is in coil no power, its core iron takes off with end socket
Open, pressure duct A (system high pressure side) is communicated with the second switching pipeline D, low pressure line C (systems
Low-pressure side) communicated with the first switching pipeline B, when the coil is energized, core iron is fitted with end socket, high-voltage tube
Road A (system high pressure side) with first switching pipeline B communicate, low pressure line C (system low-voltage side) with
Second switching pipeline D is communicated.
Such a pilot valve is fitted and disengaged with end socket using coil electricity, power-off control core iron, controls four-way
Reversal valve main valve switches, and then changes refrigerant flow direction in air-conditioning system, realizes that air conditioner refrigerating heats work(
Energy.
Existing pilot valve and four-way reversing valve can only realize two station working conditions, when causing the system to work,
All the time there is high-pressure side and low-pressure side.Such as air-conditioning system, it only has refrigeration and heats two states, winter
When its environment temperature is relatively low, system in state is heated, can cause heat exchanger of outdoor unit surface for a long time
Solidifying frost is produced, there is extreme influence to the heating efficiency of system when solidifying white excessive.At this moment, pilot valve electromagnetism
Coil blackout, system is switched to refrigerating state, allows HTHP refrigerant first to flow through outdoor heat converter, shape
Into medium temperature and medium pressure refrigerant, outdoor heat exchanger surface is coagulated frost using the partial heat and melt, then electromagnetic wire
Circle is powered, and system is switched to the state of heating again.
When needing defrost due to outdoor unit heat exchanger surface, system needs to be switched to refrigeration shape by heating state
State, if room or office space sound insulation are poor, people can clearly hear the noise of generation, and
In outdoor unit heat exchanger surface defrost this period, indoor apparatus of air conditioner does not blow out hot blast, it means that room
Between or the temperature of office space can constantly reduce, the comfort level of people is have impact on to a certain degree.
Therefore, the structure of pilot valve and four-way reversing valve how is improved, with further lifting system performance, is
Those skilled in the art's technical issues that need to address.
The content of the invention
The first object of the present invention is to provide a kind of pilot valve.The pilot valve energy Fast-Balance system high pressure side
With the pressure of low-pressure side, system is set to be in equal pressure condition, and then reach just can be with without switch operating state
The purpose such as defrost is carried out using high temperature refrigerant.
The second object of the present invention is to provide a kind of four-way reversing valve provided with the pilot valve.
The third object of the present invention is to provide the four-way reversing valve that a kind of main valve body has uniform voltage function.
To realize above-mentioned first purpose, the present invention provides a kind of pilot valve, for four-way reversing valve, including
Pressure duct, low pressure line and the first switching pipeline and the second switching pipeline, it is described in the first station
Pressure duct and the second switching pipeline connection, the low pressure line and the first switching pipeline connection, second
Station, the pressure duct and the first switching pipeline connection, the low pressure line and the second switching pipeline connect
It is logical, also with 3rd station, in 3rd station, the pressure duct and the first switching pipeline and low pressure
Pipeline connection.
Preferably, including valve component, core assembly, core iron component and coil block, the core iron
The spring of component includes the first spring and second spring, in the first station, the coil block no power,
First spring is in its pre-compressed state, and the second spring is in free state, can vertically certainly
By moving, in the second station, the coil block leads to low-voltage, and first spring continues to compress, institute
State second spring not compress, and can not move freely vertically；In 3rd station, the coil block
Logical high voltage, first spring continues to compress, and the second spring is in compressive state.
Preferably, axis direction arrangement of first spring along the core iron component, the second spring
It is set on the core iron of the core iron component and/or end socket, the core iron and/or end socket are provided with support institute
State the boss of second spring.
Preferably, axis direction arrangement of the second spring along the core iron component, first spring
It is set on the core iron of the core iron component and/or end socket, the core iron and/or end socket are provided with support institute
State the boss of the first spring.
Preferably, in 3rd station, the pressure duct is managed with the low pressure line and the first switching simultaneously
Road is connected, and the second switching pipeline is in cut-off state.
Preferably, in 3rd station, the pressure duct is managed with the low pressure line, the first switching simultaneously
Road and the second switching pipeline connection.
Preferably, the pressure duct and low pressure line are by outside pilot valve and provided with control valve
Pipeline is connected, in first, second station, and the control valve disconnects, and obstructs the pressure duct and low pressure
Pipeline, in 3rd station, the control valve conducting makes the pressure duct be connected with low pressure line.
To realize above-mentioned second purpose, the present invention provides a kind of four-way reversing valve, including main valve body and guide
Valve, the pilot valve is the pilot valve described in any of the above-described.
To realize above-mentioned 3rd purpose, the present invention provides another four-way reversing valve, and its main valve body includes height
Pressure pipe road, low pressure line and the first switching pipeline and the second switching pipeline, in the first station, the height
Pressure pipe road and the second switching pipeline connection, the low pressure line and the first switching pipeline connection, in the second work
Position, the pressure duct and the first switching pipeline connection, the low pressure line and the second switching pipeline connection,
Characterized in that, also having 3rd station, in 3rd station, the pressure duct is connected with low pressure line.
Preferably, the pressure duct and low pressure line are by outside main valve body and provided with control valve
Pipeline is connected, in first, second station, and the control valve disconnects, and obstructs the pressure duct and low pressure
Pipeline, in 3rd station, the control valve conducting makes the pressure duct be connected with low pressure line.
Pilot valve provided by the present invention has made further improvement on the basis of existing technology, from before only
Two station functional shifts can be realized can to realize three station functions, under increased 3rd station state,
Its pressure duct is connected with low pressure line, can quickly realize that system high pressure side is pressed with low-pressure side, makes system
In equal pressure condition, so as to realize specific purpose.For example within air-conditioning systems, this pilot valve is in the 3rd
During station, the HTHP refrigerant that can export compressor is guided to system low-voltage side, realizes that system is high
Side and low-pressure lateral pressure Fast-Balance are pressed, and then outdoor heat converter is flowed through using high temperature refrigerant, by outdoor
Heat-exchanger surface coagulates frost and melted, compared with present air-conditioning system, when outdoor environment temperature is relatively low, people
Use air-conditioning heating for a long time, when heat exchanger of outdoor unit surface forms solidifying frost, four-way reversing valve electromagnetism
Coil need not be powered off, and system need not be switched to refrigerating state, it is only necessary to which pilot valve switches to 3rd station,
Realize the equal pressure condition of system, you can the solidifying frost on heat exchanger of outdoor unit surface is melted using high temperature refrigerant, its
System heating efficiency can be improved, while can be good at maintaining indoor environment temperature, is provided more for people
Comfortable living environment and working environment.
Four-way reversing valve provided by the present invention is provided with the pilot valve, because the pilot valve has above-mentioned skill
Art effect, then the four-way reversing valve provided with the pilot valve should also have corresponding technique effect.
Another four-way reversing valve provided by the present invention employs the design essentially identical with above-mentioned pilot valve
Principle, can also be such that pressure duct is connected with low pressure line in use, therefore also have identical
Technique effect.
Brief description of the drawings
Fig. 1 is the structural representation of existing four-way reversing valve pilot valve；
Fig. 2 is a kind of structural representation of embodiment of four-way reversing valve pilot valve provided by the present invention
Figure；
Fig. 3 is pipeline conducting schematic when pilot valve shown in Fig. 2 is in the first station；
Fig. 4 is pipeline conducting schematic when pilot valve shown in Fig. 2 is in the second station；
Fig. 5 is pipeline conducting schematic when pilot valve shown in Fig. 2 is in 3rd station；
Fig. 6 shows for the structure of another embodiment of four-way reversing valve pilot valve provided by the present invention
It is intended to；
Fig. 7 is the four-way reversing valve that main valve body provided by the present invention has uniform voltage function.
In figure：
1. the core iron group of 21. valve element of valve component 11. sleeve pipe, 12. valve seat, 2. core assembly 3.
The coil block of 31. core iron of part, 32. 33. first spring of end socket, 34. second spring 4.
5th, 5'. control valves 6, the pilot valve of 7. main valve body of 6'. pipelines 8.
Embodiment
The core of the present invention is pilot valve or main valve body by improving four-way reversing valve, makes its high-voltage tube
Road can be connected with low pressure line, so as to quickly realize that system high pressure side is pressed with low-pressure side, make system
In equal pressure condition, to reach not switching system working condition, do not influence to carry out in the case of use
The purposes such as defrosting.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and specifically
The present invention is described in further detail for embodiment.
Fig. 2 is refer to, Fig. 2 is a kind of specific embodiment party of four-way reversing valve pilot valve provided by the present invention
The structural representation of formula.
In a kind of specific embodiment, the pilot valve that the present invention is provided is main by valve component 1, valve element group
The part such as part 2, core iron component 3 and coil block 4 is constituted, and it is used to control main valve of four-way reversing valve
Switching, and then refrigerant flow direction in change system, realization such as is freezed, heated, defrosting at the function.
The sleeve pipe 11 of valve component 1 in tubular construction, its pressure duct A be located at sleeve pipe 11 left end (
Can be located on the wall of side), connect, be welded and fixed in the inner chamber of sleeve pipe 11 on inwall with the inner chamber of sleeve pipe 11
There is small valve seat 12, small valve seat 12 is managed with low pressure line C, the first switching respectively provided with three valve ports
The switching pipeline D connections of road B and second, low pressure line C valve port is located at the first switching pipeline B and the
Between two switching pipeline D valve port, the valve element 21 (being small slide bowl shown in figure) of core assembly 2 is in bullet
Property part elastic force effect under the valve port position of small valve seat 12, coil block 4 are pressed in the way of laminating
After energization, the core iron 31 of core iron component 3 can be driven to move right, so that with movable valve plug 21 to end socket 32
Direction is moved, and pilot valve is in different stations successively.
The spring of core iron component 3 includes the first spring 33 and second spring 34, wherein, the first spring 33
Arranged along the axis direction of core iron component, the right-hand member of core iron 31 offers the through hole for accommodating the first spring 33,
One end of first spring 33 is supported on the step inside through hole, and the other end is supported on end socket 32, the
Two springs 34 are set in outside the core iron of core iron component, and core iron 31 is machined with boss on its is cylindrical, the
Two springs 34 are in compression, and its one end is supported on boss, and the other end is supported on end socket 32, two
The rigidity and material of spring can be determined according to the operating pressure of system for use in carrying come specific design.
First spring 33 and the mounting means of second spring 34 can have diversified forms, except aforesaid way
Outside, a part for second spring 34 can also be sleeved on core iron 31, another part is sleeved on envelope
On first 32, i.e., second spring 34 is sleeved on core iron 31 and end socket 32 simultaneously, can also be by second spring
34 are only sleeved on end socket 32, moreover, can both set support on core iron 31 and end socket 32 simultaneously
The boss of two springs 34, can also individually set the boss of support second spring 34 on end socket 32.
In addition, as a kind of possible mode, the position of above-mentioned first spring 33 and second spring 34 can
To exchange, i.e. axis direction of the second spring 34 along core iron component arranges that the first spring 33 is set in core
On the core iron 31 and/or end socket 32 of iron component, and support the is set on core iron 31 and/or end socket 32
The boss of one spring 33.
Fig. 3, Fig. 4, Fig. 5 are refer to, Fig. 3 is pipeline when pilot valve shown in Fig. 2 is in the first station
Conducting schematic；Fig. 4 is pipeline conducting schematic when pilot valve shown in Fig. 2 is in the second station；Figure
5 be pipeline conducting schematic when pilot valve shown in Fig. 2 is in 3rd station.
As shown in Fig. 2 the present invention increases second spring 34 by designing boss structure on core iron 31,
Lead in coil block 4 under different voltages, control core iron operating position using two springs, it is possible to achieve guide
Three station functions of valve member, thirdly station working condition is specific as follows：
First station, coil no power, the first spring 33 is at its pre-compressed state, second spring 34
In free state, can vertically it be moved freely in sleeve pipe 11, now the flow passage low pressure of valve element 21
The switching pipelines of pipeline C and first B valve port, and the valve port of the second switching pipeline D is discharged, it is high
Pressure pipe road A (system high pressure side) is communicated with the second switching pipeline D, low pressure line C (system low-voltage side)
Communicated with the first switching pipeline B.
Second station, coil leads to low-voltage, and valve element 21 moves right, and the first spring 33 continues to compress,
Second spring 34 is not compressed, and core iron 31 is not fitted with end socket 32, but the boss on core iron 31 and second
Spring 34 is fitted, now, and second spring 34 can not be free to move axially along sleeve pipe, the runner of valve element 21
The switching pipelines of low pressure line C and second D valve port is connected, and release first switches pipeline B valve port,
Pressure duct A (system high pressure side) is communicated with the first switching pipeline B, low pressure line C (system low-voltages
Side) communicated with the second switching pipeline D.
3rd station, coil leads to high voltage, and valve element 21 continues to move right, and the first spring 33 continues to press
Contracting, now, second spring 34 is also at compressive state, and core iron 31 is fitted with end socket 32, valve element 21
Only sealing second switches pipeline D valve port, and discharges the first valve for switching pipeline B and low pressure line C
Mouthful, pressure duct A (system high pressure side) is directly communicated with low pressure line C (system low-voltage side),
Realize that air-conditioning system is pressed, i.e., the pressure of hasten soon balance system high-pressure side and low-pressure side.
In 3rd station, if the amplitude that valve element 21 moves right is larger, low pressure line can be discharged simultaneously
C, the first switching pipeline B and the second switching pipeline D valve port, make pressure duct A simultaneously and low-voltage tube
Road C, the first switching pipeline B and the second switching pipeline D connections.
Above-mentioned three station acts guide's valve member, compared to existing pilot valve modular construction, adds the second bullet
Spring 34, using the first spring 33 and second spring 34, controls the work station of core iron 31, increases a work
Position working condition, when coil block leads to high voltage, pressure duct A (system high pressure side) and low-voltage tube
Road C (system low-voltage side) is communicated, and can realize system with Fast-Balance high-pressure side and the pressure of low-pressure side
Uniform voltage function, and then not switching system working condition is reached, can to influence in the case of normal use
The purposes such as row defrosting, can be widely applied in the systems such as air-conditioning, compressor, refrigerator, water heater.
Fig. 6 is refer to, Fig. 6 is another specific implementation of four-way reversing valve pilot valve provided by the present invention
The structural representation of mode.
As illustrated, in addition to improving pilot valve internal structure, pressure duct can also be realized in outside
A and low pressure line C connection, its concrete mode is that pressure duct A and low pressure line C passes through position
Outside the pilot valve and the pipeline 6 provided with control valve 5 is connected, in first, second station, control valve 5
Disconnect, barrier pressure duct A and low pressure line C, in 3rd station, control valve 5 is turned on, and makes high pressure
Pipeline A is connected with low pressure line C, and such a pilot valve can equally realize the object of the invention.
Except above-mentioned pilot valve, the present invention also provides a kind of four-way reversing valve, and it includes main valve body and guide
Valve two parts, wherein pilot valve refer to prior art using pilot valve above, remaining structure, this
Text is repeated no more.
Fig. 7 is refer to, Fig. 7 is the four-way reversing valve that main valve body provided by the present invention has uniform voltage function.
Another four-way reversing valve that the present invention is provided, mainly by main valve body 7 and two parts structure of pilot valve 8
Into wherein main valve body 7 includes pressure duct A', low pressure line C' and the first switching pipeline B' and the
Two switching pipeline D', pressure duct A' and low pressure line C' pass through outside main valve body and provided with control
Valve 5' pipeline 6' connections, it equally has three station functions, and each station working condition is specific as follows：
First station, control valve 5' disconnects, barrier pressure duct A' and low pressure line C', pressure duct
A' is connected with the second switching pipeline D', and low pressure line C' is connected with the first switching pipeline B'；Second work
Position, control valve 5' still disconnects, barrier pressure duct A' and low pressure line C', pressure duct A' with
First switching pipeline B' connections, low pressure line C' is connected with the second switching pipeline D'；3rd station,
On the basis of second station, control valve 5' conductings make pressure duct A' be connected with low pressure line C', can
Quickly realize that high-pressure side is pressed with low-pressure side, system is in equal pressure condition.
Above-described embodiment is only the preferred scheme of the present invention, is specifically not limited thereto, on this basis may be used
Make according to actual needs with targetedly adjusting, so as to obtain different embodiments.For example, will
Pressure duct A and low pressure line C location swap of pilot valve etc..Due to mode in the cards compared with
It is many, just no longer illustrate one by one here.
Four-way reversing valve provided by the present invention and its pilot valve are described in detail above.Herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example
It is only intended to the core concept for helping to understand the present invention.It should be pointed out that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improve can also be carried out to the present invention
And modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of pilot valve, for four-way reversing valve, including pressure duct A, low pressure line C and
One switching pipeline B and the second switching pipeline D, in the first station, the switchings of the pressure duct A and second
Pipeline D is connected, and the low pressure line C is connected with the first switching pipeline B, in the second station, the height
Pressure pipe road A is connected with the first switching pipeline B, and the low pressure line C is connected with the second switching pipeline D,
Characterized in that, also having 3rd station, in 3rd station, the switchings of the pressure duct A and first are managed
Road B and low pressure line C connections.
2. pilot valve according to claim 1, it is characterised in that including valve component (1), valve
Core assembly (2), core iron component (3) and coil block (4), the core iron component (3) drive described
Core assembly (2) is mobile to be in each station successively；The spring of the core iron component (3) includes the first spring
(33) and second spring (34), in the first station, coil block (4) no power, described first
Spring (33) is in its pre-compressed state, and the second spring (34) is in free state, can be vertically
Move freely, in the second station, the coil block (4) leads to low-voltage, first spring (33)
Continue to compress, the second spring (34) is not compressed, and can not move freely vertically；In the 3rd work
Position, the coil block (4) leads to high voltage, and first spring (33) continues to compress, and described second
Spring (34) is in compressive state.
3. pilot valve according to claim 2, it is characterised in that the first spring (33) edge
The axis direction arrangement of the core iron component (3), the second spring (34) is set in the core iron group
On the core iron (31) and/or end socket (32) of part (3), on the core iron (31) and/or end socket (32)
Provided with the boss for supporting the second spring (34).
4. pilot valve according to claim 2, it is characterised in that second spring (34) edge
The axis direction arrangement of the core iron component (3), first spring (33) is set in the core iron group
On the core iron (31) and/or end socket (32) of part (3), on the core iron (31) and/or end socket (32)
Provided with the boss for supporting first spring (33).
5. the pilot valve according to any one of Claims 1-4, it is characterised in that in 3rd station,
The pressure duct A is connected with the switchings of the low pressure line C and first pipeline B simultaneously, and described second cuts
Change pipeline D and be in cut-off state.
6. the pilot valve according to any one of Claims 1-4, it is characterised in that in 3rd station,
The pressure duct A switches pipeline D with the low pressure line C, the first switching pipeline B and second simultaneously
Connection.
7. pilot valve according to claim 1, it is characterised in that the pressure duct A and low pressure
Pipeline C by outside the pilot valve and the pipeline (6) provided with control valve (5) is connected, first,
Second station, the control valve (5) disconnects, and obstructs the pressure duct A and low pressure line C, the
Three stations, control valve (5) conducting, make the pressure duct A be connected with low pressure line C.
8. a kind of four-way reversing valve, including main valve body (7) and pilot valve (8), it is characterised in that described
Pilot valve (8) is the pilot valve described in any one of the claims 1 to 7.
9. a kind of four-way reversing valve, its main valve body (7) include pressure duct A', low pressure line C' and
First switching pipeline B' and the second switching pipeline D', in the first station, the pressure duct A' and second
Switch pipeline D' connections, the low pressure line C' is connected with the first switching pipeline B', in the second station,
The pressure duct A' is connected with the first switching pipeline B', the switching pipelines of the low pressure line C' and second
D' connect, it is characterised in that also with 3rd station, in 3rd station, the pressure duct A' with it is low
Pressure pipe road C' is connected.
10. four-way reversing valve according to claim 9, it is characterised in that the pressure duct A'
With low pressure line C' by (6') connecting positioned at main valve body (7) outside and provided with the pipeline of control valve (5')
Connect, in first, second station, (5') the control valve disconnects, obstruct the pressure duct A' with it is low
Pressure pipe road C', in 3rd station, (5') the control valve turns on, and makes the pressure duct A' and low pressure
Pipeline C' is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225287.7A CN107289152B (en) | 2016-04-12 | 2016-04-12 | A kind of four-way reversing valve and its pilot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225287.7A CN107289152B (en) | 2016-04-12 | 2016-04-12 | A kind of four-way reversing valve and its pilot valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107289152A true CN107289152A (en) | 2017-10-24 |
| CN107289152B CN107289152B (en) | 2019-07-23 |
Family
ID=60095990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610225287.7A Active CN107289152B (en) | 2016-04-12 | 2016-04-12 | A kind of four-way reversing valve and its pilot valve |
Country Status (1)
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| CN (1) | CN107289152B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404891A (en) * | 2021-06-24 | 2021-09-17 | 嘉兴米克气动设备有限公司 | Solenoid valve convenient to change elastic component |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214369A (en) * | 2014-08-11 | 2014-12-17 | 海信（浙江）空调有限公司 | Four-way reversing valve, air conditioner and control method of air conditioner |
| CN104421458A (en) * | 2013-08-23 | 2015-03-18 | 海信（山东）空调有限公司 | Air conditioning energy-saving four-way reversing valve and control method thereof |
| JP5825452B1 (en) * | 2014-07-22 | 2015-12-02 | ダイキン工業株式会社 | Four-way selector valve and refrigeration system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104421458A (en) * | 2013-08-23 | 2015-03-18 | 海信（山东）空调有限公司 | Air conditioning energy-saving four-way reversing valve and control method thereof |
| JP5825452B1 (en) * | 2014-07-22 | 2015-12-02 | ダイキン工業株式会社 | Four-way selector valve and refrigeration system |
| CN104214369A (en) * | 2014-08-11 | 2014-12-17 | 海信（浙江）空调有限公司 | Four-way reversing valve, air conditioner and control method of air conditioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113404891A (en) * | 2021-06-24 | 2021-09-17 | 嘉兴米克气动设备有限公司 | Solenoid valve convenient to change elastic component |
| CN113404891B (en) * | 2021-06-24 | 2023-07-14 | 嘉兴米克气动设备有限公司 | Solenoid valve convenient to change elastic component |
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