CN106196763B - Three-position four-way valve and with its air conditioner - Google Patents
Three-position four-way valve and with its air conditioner Download PDFInfo
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- CN106196763B CN106196763B CN201510220413.5A CN201510220413A CN106196763B CN 106196763 B CN106196763 B CN 106196763B CN 201510220413 A CN201510220413 A CN 201510220413A CN 106196763 B CN106196763 B CN 106196763B
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- low pressure
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Abstract
The invention discloses a kind of three-position four-way valves, including valve body, spool and driving device, the valve body includes forming valve chamber inside it and the exhaust port, low pressure valve interface, return-air interface and the condenser interface that connect with the valve chamber respectively, and the spool is movably arranged as having the first switching position, the second switching position and the centre position between first switching position and second switching position in the valve chamber and by the driving of the driving device.The invention also discloses a kind of air conditioners.The coolant injection channel connected can be formed between low pressure valve and condenser by the three-position four-way valve, therefore low pressure valve can be utilized to fill refrigerant, refrigerant is directly entered condenser by coolant injection channel in this process, without entering compressor, therefore it is enormously simplified under the premise of refrigeration system reliability is ensured and fills fluorine technique, production efficiency is not only increased, and ensures the safety for filling fluorine operation.
Description
Technical field
The present invention relates to refrigeration technology field more particularly to a kind of three-position four-way valve and with its air conditioner.
Background technology
With popularizing for domestic air conditioner, increased trend year by year is presented in the yield of air conditioner always, is needed in current social
Under the background asked, manufacturability, production efficiency and the production safety of air conditioner production are particularly important.It is limited to existing four
The structure type of port valve fills fluorine link, some usually between condenser and high pressure valve in air conditioner production process
On refrigerant pipeline and connect one and fill fluorine process duct, filling fluorine process duct using this is charged to refrigerant in condenser, so as to avoid because
Refrigerant is directly entered compressor and compressor is caused abnormal situation occur.However, based on it is existing fill fluorine process duct fill fluorine mistake
Cheng Wei：The one end for filling fluorine process duct is welded on specified pipeline first, it is then specific in the other end installation for filling fluorine process duct
Fill fluorine angle valve；It opens compressor to vacuumize and carry out coolant injection, the centre that will fill fluorine process duct with clamp after refrigerant is full of
It unloads after being pinched sealing and fills fluorine angle valve in position；It will finally fill in fluorine process duct to unload using solder and fill fluorine angle valve pipe end sealing weld envelope
It is stifled.Obviously, existing fluorine technique of filling not only influences production efficiency, and coolant leakage is be easy to cause by the way of sealing is pinched,
In the presence of the risk for the refrigerant that ignites when secondary welding seals.
Invention content
It is a primary object of the present invention to provide a kind of three-position four-way valve, it is intended to solve existing fluorine technique of filling and cause to produce
The technical issues of efficiency is low and processing safety is poor.
To achieve the above object, the present invention provides a kind of three-position four-way valve, described including valve body, spool and driving device
Valve body includes forming valve chamber inside it and the exhaust port, low pressure valve interface, the return-air interface that connect with the valve chamber respectively
And condenser interface, the spool are movably arranged as in the valve chamber and by the driving of the driving device and with the
One switching position, the second switching position and the interposition between first switching position and second switching position
It puts, wherein：
When the spool is located at first switching position, pass through institute between the low pressure valve interface and the return-air interface
The first passage connection formed on spool is stated, and is connected between the exhaust port and the condenser interface by the valve chamber
It is logical；
When the spool is located at second switching position, pass through institute between the condenser interface and the return-air interface
First passage connection is stated, is connected between the exhaust port and the low pressure valve interface by the valve chamber；
When the spool is located at the centre position, by described between the low pressure valve interface and the condenser interface
The second channel connection formed on spool.
Preferably, the valve chamber has the face that is slidably matched for being abutted with the spool and forming sealing cooperation, the low pressure
Valve interface, return-air interface and condenser interface are successively set on described be slidably matched on face.
Preferably, the spool includes insert body and is formed in the positioning end of the opposite end of the insert body,
The insert body has the bottom surface contacted with the face forming face that is slidably matched, and the positioning end is matched with valve chamber slip
It closes, and the bottom surface remains sealing mated condition, institute with the face of being slidably matched under the action of the positioning end
The executive component for stating driving device is connect with two described at least one of ends that position, to drive the spool in the valve chamber
Interior movement.
Preferably, the first passage is recessed inwardly the axial notch to be formed for the bottom surface, and the second channel is shape
Into the axial cavity in the inside of the insert body, the axial cavity has two openings through the bottom surface.
Preferably, the cross-sectional shape of the valve chamber is in " D " font, the internal face that face is the valve chamber that is slidably matched
Planar section.
Preferably, the driving device is led to by executive component action or the driving device described in electromagnetism power drive
It crosses air pressure and drives the executive component action.
Preferably, the spool is by copper material or the plastics with self-lubricating property are made.
In addition, to achieve the above object, the present invention also provides a kind of air conditioner, including being sequentially connected from beginning to end to form refrigerant
Compressor, three-position four-way valve, condenser, throttling set, evaporator and the low pressure valve of circulation loop, the three-position four-way valve are
Three-position four-way valve described in any of the above-described technical solution, the exhaust port are connected with the exhaust outlet of the compressor, institute
The air entry that return-air interface is stated with the compressor connects, and the condenser interface is connected with the condenser, the low pressure valve
Interface is connected with the low pressure valve.
A kind of three-position four-way valve provided by the present invention and with its air conditioner, due to can be by switching the position of spool
And the coolant injection channel connected is formed between low pressure valve and condenser, therefore fluorine link is filled in air conditioner production process
Can utilize low pressure valve fill refrigerant, in this process refrigerant condenser is directly entered by coolant injection channel, without into
Enter compressor, therefore enormously simplified under the premise of refrigeration system reliability is ensured and fill fluorine technique, not only increase production efficiency,
And ensure the safety for filling fluorine operation.
Description of the drawings
Fig. 1 is the coolant circulating system schematic diagram of the air conditioner of the present invention；
Fig. 2 is in internal structure schematic diagram during the first switching position for the spool in the three-position four-way valve of the present invention；
Fig. 3 is the internal structure schematic diagram when spool in the three-position four-way valve of the present invention is in an intermediate position；
Fig. 4 is in internal structure schematic diagram during the second switching position for the spool in the three-position four-way valve of the present invention；
Fig. 5 is the structure diagram of the spool shown in Fig. 2,3,4；
Fig. 6 is in location status schematic diagram during the first switching position for the spool in the three-position four-way valve of the present invention；
Fig. 7 is the location status schematic diagram when spool in the three-position four-way valve of the present invention is in an intermediate position；
Fig. 8 is in location status schematic diagram during the second switching position for the spool in the three-position four-way valve of the present invention.
The realization, the function and the advantages of the object of the present invention will be described further referring to attached drawing in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of air conditioner, referring to Fig. 1, in one embodiment, the air conditioner include head and the tail be sequentially connected with
Form the compressor 200 of refrigerant circulation circuit, three-position four-way valve 100, condenser 300, throttling set 400, evaporator 500 and
Low pressure valve 600 makes refrigerant be flowed forward or backwards in the refrigerant circulation circuit by the commutation of the three-position four-way valve 100
Dynamic, so as to fulfill refrigeration and heat-production functions, throttling set 400 can be electric expansion valve or capillary, also certainly
Can be any other applicable restricting element, to realize the expenditure and pressure to refrigerant.In the present embodiment, three-position four-way valve 100
Can also have the coolant injection channel for being formed and being connected between low pressure valve 600 and condenser 300 by switch operating state, lead to
Crossing the coolant injection channel can make to enter condenser 300 from the refrigerant that low pressure valve 600 fills, without entering compressor 200,
So as to ensure the reliability of refrigeration system, refrigerant is avoided to be directly entered compressor 200 and compressor 200 is caused abnormal feelings occur
Condition.It is understood that the air conditioner of the present invention further includes, other are indispensable but for existing known component, such as wind turbine, herein
It does not enumerate.
Referring to Fig. 2 to Fig. 6, in one embodiment, which includes valve body 110, spool 120 and driving dress
(not shown) is put, valve body 110 includes the valve chamber 111 formed inside it and the exhaust port connected respectively with the valve chamber 111
112nd, low pressure valve interface 113, return-air interface 114 and condenser interface 115, spool 120 are movably arranged as in valve chamber 111 simultaneously
By the driving of driving device and with the first switching position, the second switching position and positioned at the first switching position and the second switching
Centre position between position, in the present embodiment, spool 120 it is for linear motion and the first switching position, centre position and
Any switching laws between second switching position, so as to fulfill the switching to refrigerant flow.During concrete application, exhaust port 112 and pressure
The exhaust outlet connection of contracting machine 200, return-air interface 114 are connected with the air entry of compressor 200, condenser interface 115 and condenser
300 connections, low pressure valve interface 113 are connected with low pressure valve 600.
With reference to Fig. 2, when spool 120 is located at the first switching position, lead between low pressure valve interface 113 and return-air interface 114
The first passage 121 formed on spool 120 is crossed to connect, and pass through valve chamber between exhaust port 112 and condenser interface 115
111 connections, the refrigerant at this time from compressor 200 is followed by three-position four-way valve 100, condenser 300, throttling set 400, steaming
Device 500 and low pressure valve 600 are sent out, and refrigerant circulation circuit is switched to refrigeration cycle, so as to fulfill the refrigerating function of air conditioner；
It is logical by first between condenser interface 115 and return-air interface 114 when spool 120 is located at the second switching position with reference to Fig. 4
Road 121 connects, and is connected between exhaust port 112 and low pressure valve interface 113 by valve chamber 111, at this time from the cold of compressor 200
Matchmaker is followed by three-position four-way valve 100, low pressure valve 600, evaporator 500, throttling set 400 and condenser 300, and by refrigerant
Circulation loop is switched to heating cycle, so as to fulfill the heat-production functions of air conditioner；With reference to Fig. 3, when spool 120 is centrally located
When, connected between low pressure valve interface 113 and condenser interface 115 by the second channel 122 formed on spool 120, at this time by
In forming the coolant injection channel that connects between low pressure valve 600 and condenser 300, and the exhaust outlet and air-breathing of compressor 200
Mouth is turned off, therefore directly can fill refrigerant on low pressure valve 600, may insure that refrigerant passes through during refrigerant is filled
Coolant injection channel is directly entered condenser 300, without entering compressor 200.It is cold that the filling of fluorine process duct is filled with existing use
The mode of matchmaker is compared, and does not need to increase coolant injection accessory, and mode of operation is simple and convenient, only need to switch three-position four-way valve
100 working condition, therefore enormously simplified under the premise of refrigeration system reliability is ensured and fill fluorine technique, it not only increases
Production efficiency, and ensure the safety for filling fluorine operation.In addition, the three-position four-way valve 100 of the present invention is having switching refrigerant
The function of structure coolant injection channel is realized on the basis of flow direction, substantially increases the function degree of integration of three-position four-way valve 100
And utilization rate.
In alternate embodiments, valve chamber 111 has the face that is slidably matched for being abutted with spool 120 and forming sealing cooperation
116, and low pressure valve interface 113, return-air interface 114 and condenser interface 115 are successively set on the face 116 that is slidably matched
On, for example arrange in line, so as to simplify the internal structure of three-position four-way valve 100, while cause its working condition
Switch control logic is simpler.As shown in Figures 2 to 4, exhaust port 112 and remaining interface are located at the two of valve body 110 relatively
Side, so as to be conducive to reduce the construction size of valve body 110.Preferably, the face 116 that is slidably matched is plane, such as the horizontal stroke of valve chamber 111
Cross sectional shape is in " D " font, and the planar section of internal face that face 116 is valve chamber 111 that is slidably matched, spool 120 are matched with slip
Certain preload pressure is kept between conjunction face 116, the sealing cooperation that contact interface is formed both so as to ensure is reliable and stable.It examines
Consider spool 120 and the internal face of valve chamber 111 is in direct contact, in order to ensure that spool 120 moves smooth and sealing performance, spool
120 plastics by copper material or with self-lubricating property are made, and certain valve body 110 can also be made of copper material, certainly using other
The material for meeting intensity requirement also may be used.
With reference to Fig. 5, spool 120 includes insert body 123 and is formed in the positioning end of the opposite end of the insert body 123
Portion 124, and insert body 123 has the bottom surface 125 contacted with 116 forming face of the face of being slidably matched, and be slidably matched face 116 and bottom
Face 125 is plane, thus strengthens the reliability of sealing cooperation, while this plane fit structure can also be achieved to spool
120 positioning causes poorly sealed when preventing spool 120 from being rotated when in use because generating.It is slided with valve chamber 111 positioning end 124
Dynamic cooperation, it shall be guaranteed that the two is in close contact, so as to which bottom surface 125 is begun with the face of being slidably matched 116 under the action of end 124 is positioned
Sealing mated condition is kept eventually.In order to simplify structure design, the executive component of driving device and two are positioned in ends 124 at least
One connection, spool 120 to be driven to be moved in valve chamber 111, wherein driving device can pass through electromagnetism power drive executive component
Action can also drive executive component to act by air pressure, and certain driving device can also use any other applicable form
Driving spool 120 moves, the invention is not limited in this regard.Under the drive of the executive component of driving device, spool 120 is along valve
Chamber 111 moves, and switches so as to fulfill before the first switching position, centre position and the second switching position.
In a preferred embodiment, second channel 122 is the axial cavity for the inside for being formed in insert body 123, i.e. axis
Extend to cavity along the length direction of insert body 123, which has two openings through bottom surface 125, by this
Two openings can be such that low pressure valve interface 113 is connected with condenser interface 115, and first passage 121 is recessed inwardly to be formed for bottom surface 125
Axial notch, have the characteristics that simple and reliable, certain first passage 121 can also carry out similar with reference to second channel 122
Design, but this structure type is unfavorable for reducing the size of spool 120.
Technical solution according to embodiments of the present invention, due to can by switch the position of spool 120 and low pressure valve 600 with
Form the coolant injection channel of connection between condenser 300, therefore filling fluorine link and can utilize in air conditioner production process
Low pressure valve 600 fills refrigerant, and refrigerant is directly entered condenser 300 by coolant injection channel in this process, without entering
Compressor 200, therefore enormously simplified under the premise of refrigeration system reliability is ensured and fill fluorine technique, not only increase production effect
Rate, and ensure the safety for filling fluorine operation.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of three-position four-way valve, which is characterized in that including valve body, spool and driving device, the valve body includes being formed in it
Internal valve chamber and exhaust port, low pressure valve interface, return-air interface and the condenser interface connected respectively with the valve chamber,
The spool is movably arranged as having the first switching position, second in the valve chamber and by the driving of the driving device
Switching position and the centre position between first switching position and second switching position, wherein：
When the spool is located at first switching position, pass through the valve between the low pressure valve interface and the return-air interface
The first passage connection formed on core, and connected between the exhaust port and the condenser interface by the valve chamber；
When the spool is located at second switching position, pass through described between the condenser interface and the return-air interface
One channel connects, and is connected between the exhaust port and the low pressure valve interface by the valve chamber；
When the spool is located at the centre position, pass through the spool between the low pressure valve interface and the condenser interface
The second channel connection of upper formation.
2. three-position four-way valve as described in claim 1, which is characterized in that the valve chamber, which has, to abut with the spool and formed
The face that is slidably matched of cooperation is sealed, the low pressure valve interface, return-air interface and condenser interface are successively set on the slip
In mating surface.
3. three-position four-way valve as claimed in claim 2, which is characterized in that the spool includes insert body and is formed in described
The positioning end of the opposite end of insert body, the insert body have the bottom contacted with the face forming face that is slidably matched
Face, the positioning end are slidably matched with the valve chamber, and the bottom surface and the cunning under the action of the positioning end
Dynamic mating surface remains sealing mated condition, at least one in the executive component of the driving device and the two positioning ends
A connection, the spool to be driven to be moved in the valve chamber.
4. three-position four-way valve as claimed in claim 3, which is characterized in that the first passage is recessed inwardly shape for the bottom surface
Into axial notch, the second channel is the axial cavity for the inside for being formed in the insert body, axial cavity tool
There are two openings through the bottom surface.
5. three-position four-way valve as claimed in claim 3, which is characterized in that the cross-sectional shape of the valve chamber is in " D " font, institute
State the planar section for the internal face that the face of being slidably matched is the valve chamber.
6. the three-position four-way valve as described in claim 3,4 or 5, which is characterized in that the driving device passes through electromagnetism power drive
The executive component action or the driving device drive the executive component to act by air pressure.
7. the three-position four-way valve as described in any one of claim 1 to 5, which is characterized in that the spool is by copper material or has
The plastics of self-lubricating property are made.
8. a kind of air conditioner, which is characterized in that including be sequentially connected from beginning to end with form refrigerant circulation circuit compressor, three four
Port valve, condenser, throttling set, evaporator and low pressure valve, the three-position four-way valve are any one of claim 1 to 7 institute
The three-position four-way valve stated, the exhaust port are connected with the exhaust outlet of the compressor, the return-air interface and the compressor
Air entry connection, the condenser interface connects with the condenser, and the low pressure valve interface is connected with the low pressure valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220413.5A CN106196763B (en) | 2015-05-04 | 2015-05-04 | Three-position four-way valve and with its air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220413.5A CN106196763B (en) | 2015-05-04 | 2015-05-04 | Three-position four-way valve and with its air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106196763A CN106196763A (en) | 2016-12-07 |
| CN106196763B true CN106196763B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220413.5A Active CN106196763B (en) | 2015-05-04 | 2015-05-04 | Three-position four-way valve and with its air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN106196763B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105419B (en) * | 2017-12-12 | 2019-05-03 | 珠海格力电器股份有限公司 | Four-way valve, air-conditioner set and control method |
| CN108705984A (en) * | 2018-08-17 | 2018-10-26 | 福建工程学院 | A kind of device and method of confined space fire prevention and anti-suffocation |
| CN111442115B (en) * | 2020-03-19 | 2021-04-02 | 珠海格力电器股份有限公司 | Four-way valve and air conditioning system using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779366A (en) * | 1980-10-31 | 1982-05-18 | Matsushita Electric Ind Co Ltd | Four-way valve of refrigerator |
| JPH11325634A (en) * | 1998-05-20 | 1999-11-26 | Fujitsu General Ltd | Four-way valve cooler of air conditioner |
| CN101084401A (en) * | 2004-09-08 | 2007-12-05 | 开利公司 | Hot gas bypass through four-way reversing valve |
| JP2008138995A (en) * | 2006-12-05 | 2008-06-19 | Hitachi Appliances Inc | Four-way selector valve and air-conditioner using the same |
| CN101205984A (en) * | 2006-12-19 | 2008-06-25 | 日立空调·家用电器株式会社 | Four-port conversion value and air conditioner using the same |
| KR20100026263A (en) * | 2008-08-29 | 2010-03-10 | 김영관 | Four way switching valve for heating and cooling system |
| CN203374885U (en) * | 2013-07-25 | 2014-01-01 | 珠海格力电器股份有限公司 | Four-way valve and air conditioner |
| CN204678746U (en) * | 2015-05-04 | 2015-09-30 | 美的集团武汉制冷设备有限公司 | Three-position four-way valve and there is its air-conditioner |
-
2015
- 2015-05-04 CN CN201510220413.5A patent/CN106196763B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5779366A (en) * | 1980-10-31 | 1982-05-18 | Matsushita Electric Ind Co Ltd | Four-way valve of refrigerator |
| JPH11325634A (en) * | 1998-05-20 | 1999-11-26 | Fujitsu General Ltd | Four-way valve cooler of air conditioner |
| CN101084401A (en) * | 2004-09-08 | 2007-12-05 | 开利公司 | Hot gas bypass through four-way reversing valve |
| JP2008138995A (en) * | 2006-12-05 | 2008-06-19 | Hitachi Appliances Inc | Four-way selector valve and air-conditioner using the same |
| CN101205984A (en) * | 2006-12-19 | 2008-06-25 | 日立空调·家用电器株式会社 | Four-port conversion value and air conditioner using the same |
| KR20100026263A (en) * | 2008-08-29 | 2010-03-10 | 김영관 | Four way switching valve for heating and cooling system |
| CN203374885U (en) * | 2013-07-25 | 2014-01-01 | 珠海格力电器股份有限公司 | Four-way valve and air conditioner |
| CN204678746U (en) * | 2015-05-04 | 2015-09-30 | 美的集团武汉制冷设备有限公司 | Three-position four-way valve and there is its air-conditioner |
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| Publication number | Publication date |
|---|---|
| CN106196763A (en) | 2016-12-07 |
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