CN201462082U - Four-way diverting valve with low thermal conductivity - Google Patents
Four-way diverting valve with low thermal conductivity Download PDFInfo
- Publication number
- CN201462082U CN201462082U CN2009201204301U CN200920120430U CN201462082U CN 201462082 U CN201462082 U CN 201462082U CN 2009201204301 U CN2009201204301 U CN 2009201204301U CN 200920120430 U CN200920120430 U CN 200920120430U CN 201462082 U CN201462082 U CN 201462082U
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- Prior art keywords
- connecting pipeline
- valve
- branch road
- spool
- metal
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Abstract
The utility model provides a four-way diverting valve with low thermal conductivity, which comprises a valve body and a valve core. The valve body is made of non-metal materials with comparatively slower thermal conductivity than metal, or at least one of the inner surface and the outer surface of the valve body is provided with a non-metal layer with comparatively slower thermal conductivity than metal; the valve core is made of the non-metal materials with comparatively slower thermal conductivity than metal, or the outer surface of the valve core is provided with a non-metal layer with comparatively slower thermal conductivity than metal; and four joints are disposed on the valve body and respectively communicated with a pipeline of an air-conditioning compressor air discharge opening, a pipeline of an air-conditioning compressor air suction opening, a pipeline of an air-conditioning evaporator and a pipeline of an air-conditioning condenser. The diverting valve has diverting function. Moreover, as thermal conductivity coefficient of non-metal is lower than that of metal, the valve body and the valve core can block heat transfer among media entering into the diverting valve from the compressor air discharge opening and media flowing into the compressor air suction opening from the diverting valve, and then the diverting valve can reduce energy loss when in refrigerating and heating operation.
Description
Technical field
The utility model relates to a kind of low-heat conduction four-way reversing valve.
Background technique
Selector valve in the air-conditioning is used for the flow direction of switchable dielectric when freezing or heating.Exist than big-difference owing to enter the temperature of the temperature of medium of selector valve and the medium that the self-commutation valve flows out to the compressor air suction mouth from exhaust outlet of compressor, therefore, can cause the loss of cold or heat during through selector valve at medium.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of low-heat conduction four-way reversing valve, compares with selector valve in the past, can reduce the loss of energy when freezing and heating work.For this reason, the utility model is by the following technical solutions: it comprises valve body, spool, described valve body has the heat transfer non-metallic layer slow than metal by conducting heat than the slow nonmetallic material manufacturing of metal or at least one in its internal surface and the outer surface, described spool has the heat transfer non-metallic layer slow than metal by nonmetallic material manufacturing or its outer surface slow than metal that conduct heat, and described valve body is provided with the interface with air condition compressor relief opening connecting pipeline, interface with air condition compressor intakeport connecting pipeline, interface with the A/C evaporator connecting pipeline, interface with the air-conditioning condenser connecting pipeline.Owing to adopt the technical solution of the utility model, selector valve has not only played the commutation effect, and, because nonmetallic thermal conductivity is lower than metal, therefore, valve body of the present utility model, spool can intercept from exhaust outlet of compressor and enter heat transfer between the medium of selector valve and the medium that the self-commutation valve flows out to the compressor air suction mouth, the energy loss when reducing refrigeration and heating work.
Description of drawings
Fig. 1 is embodiment's that the utility model provides stereogram.
Fig. 2 is a sectional view embodiment illustrated in fig. 1.
Fig. 3 is a plan view embodiment illustrated in fig. 1.
Embodiment
With reference to accompanying drawing.The utility model comprises valve body 1, spool 2, the pipeline 14 that described valve body is connected with the pipeline 11 that is communicated with the air condition compressor relief opening, the pipeline 12 that is communicated with the air condition compressor intakeport, the pipeline 13 that is communicated with A/C evaporator, is communicated with air-conditioning condenser.Described valve body is by the nonmetallic material manufacturing slow than metal of conducting heat, such as the engineering plastics manufacturing, perhaps, there is the heat transfer non-metallic layer slow than metal on the internal surface of described valve body or at least one surface in the outer surface, such as plastic layer, its purpose is for when being in the working state of freezing or heating, intercept in the pipeline 11 be communicated with the air condition compressor relief opening and the pipeline 12,13,14 not with pipeline that pipeline 11 is communicated with between heat transfer and the heat transfer between the different temperatures medium of obstruct valve inner, prevent to cause energy loss by valve body; Described spool is also by the nonmetallic material manufacturing slow than metal of conducting heat, such as engineering plastics, perhaps, the outer surface of described spool has the heat transfer non-metallic layer slow than metal, such as plastic layer, its purpose is for when being in the working state of freezing or heating, and the heat transfer between the different temperatures medium of obstruct valve inner prevents to cause energy loss by spool.
Because valve body and spool adopt nonmetal manufacturing, in order to strengthen the intensity of selector valve, the outer surface cloth of described valve body is equipped with stiffening rib 3, as shown in the figure, described stiffening rib is to arrange along the connection interface 41,42,43,44,45 of above-mentioned pipeline and valve body, to bring into play humidification to greatest extent.
Described valve body is a cylindricality for the valve pocket 15 of valve core movement, described selector valve also is provided with the pilot valve 5 that the control spool moves in valve pocket, the entrance point 51 of described pilot valve and be communicated with air condition compressor relief opening connecting pipeline 11, described pilot valve is provided with switchable first outlet end 52, second outlet end 53, described first outlet end is communicated with an end of valve body, and described second outlet end is communicated with the valve body the other end.
In order further to improve the performance of selector valve, the described pipeline 11 that is communicated with the air condition compressor relief opening is divided into first branch road 111 and second branch road 112, described first branch road and second branch road are connected to the diverse location of cylindricality valve pocket on axially, described spool is provided with force balance face 20, like this, because the pressure of first branch road 111 and second branch road 112 equates, so the stressed of spool two ends equate, thereby guaranteed the position stability of spool when work.
Described and air condition compressor intakeport connecting pipeline 12, be connected the diverse location of cylindricality valve pocket on axially with A/C evaporator connecting pipeline 13, the pipeline 14 that is communicated with air-conditioning condenser, described spool have connect first branch road 111 and with the first passage 21 of condenser connecting pipeline 14, connect second branch road 112 and with the second channel 22 of vaporizer connecting pipeline 13, not only can make and connect with compressor air suction mouth connecting pipeline 12 with condenser connecting pipeline 14 but also can make and compressor air suction mouth connecting pipeline 12 and the third channel 23 connected with vaporizer connecting pipeline 13.
Described spool is subjected to pilot valve control to have first stop place and second stop place, their corresponding respectively refrigeration and two kinds of commutation working staties that heat.
First stop place is position as shown in Figure 2, and first outlet end 52 of pilot valve is connected with entrance point 51, and second outlet end 53 is cut off, and the high-pressure medium that flows out from pipeline 11 promotes spool to the limit on the right-right-hand limit end.At this moment, first passage 21, first branch road 111, be in on-state with condenser connecting pipeline 14, third channel 23, with compressor air suction mouth connecting pipeline 12, with vaporizer connecting pipeline 13 be in on-state, with condenser connecting pipeline 14, with compressor air suction mouth connecting pipeline 12 be in off state, be in off state with vaporizer connecting pipeline 13, second branch road 112;
When spool was in second stop place, second outlet end 53 of pilot valve was connected with entrance point 51, and first outlet end 52 is cut off, and the high-pressure medium that flows out from pipeline 11 promotes spool to the limit on the left end.At this moment, second channel 22, with vaporizer connecting pipeline 13, second branch road 112 be in on-state, third channel 23, with compressor air suction mouth connecting pipeline 12, with condenser connecting pipeline 14 be in on-state, with vaporizer connecting pipeline 13, with compressor air suction mouth connecting pipeline 12 be in off state, first branch road 111, with condenser connecting pipeline 14 be in off state.
For further simplifying the structure of spool, described spool is made up of four pistons that link together at a distance of certain distance, and piston has constituted force balance face 20, and the gap between the piston forms described first passage 21, second channel 22, third channel 23.
Claims (7)
1. low-heat conduction four-way reversing valve, comprise valve body, spool, it is characterized in that described valve body has the heat transfer non-metallic layer slow than metal by conducting heat than the slow nonmetallic material manufacturing of metal or at least one in its internal surface and the outer surface, described spool has the heat transfer non-metallic layer slow than metal by nonmetallic material manufacturing or its outer surface slow than metal that conduct heat, and described valve body is provided with the interface with air condition compressor relief opening connecting pipeline, interface with air condition compressor intakeport connecting pipeline, interface with the A/C evaporator connecting pipeline, interface with the air-conditioning condenser connecting pipeline.
2. low-heat conduction four-way reversing valve as claimed in claim 1 is characterized in that the outer surface cloth of described valve body is equipped with stiffening rib.
3. low-heat conduction four-way reversing valve as claimed in claim 1 is characterized in that spool is made up of four pistons that link together at a distance of certain distance.
4. low-heat conduction four-way reversing valve as claimed in claim 1, it is characterized in that described valve body is a cylindricality for the valve pocket of valve core movement, described selector valve also is provided with the pilot valve that the control spool moves in valve pocket, the entrance point of described pilot valve and describedly be communicated with air condition compressor relief opening connecting pipeline, described pilot valve is provided with switchable first outlet end, second outlet end, described first outlet end is communicated with an end of valve body, and described second outlet end is communicated with the valve body the other end.
5. low-heat conduction four-way reversing valve as claimed in claim 4, it is characterized in that described and air condition compressor relief opening connecting pipeline are divided into first branch road and second branch road, be respectively equipped with the interface that is connected with second branch road with first branch road at the diverse location of cylindricality valve pocket on axially; Described spool is provided with the force balance face that is subjected to medium effect in the valve pocket.
6. low-heat conduction four-way reversing valve as claimed in claim 4, it is characterized in that described and air condition compressor relief opening connecting pipeline are divided into first branch road and second branch road, diverse location on the cylindricality valve pocket is axial is respectively equipped with the interface that is connected with second branch road with first branch road, the interface of described and air condition compressor intakeport connecting pipeline, interface with the A/C evaporator connecting pipeline, be arranged on the diverse location of cylindricality valve pocket on axially with the interface of air-conditioning condenser connecting pipeline, described spool have connect first branch road and with the first passage of condenser connecting pipeline, connect second branch road and with the second channel of vaporizer connecting pipeline, not only can make and connect with compressor air suction mouth connecting pipeline with the condenser connecting pipeline but also can make and compressor air suction mouth connecting pipeline and the third channel connected with the vaporizer connecting pipeline, described spool is subjected to pilot valve control to have first stop place and second stop place, described selector valve has following respective outer side edges: when spool is in first stop place, first passage, first branch road, be in on-state with the condenser connecting pipeline, third channel, with compressor air suction mouth connecting pipeline, be in on-state with the vaporizer connecting pipeline, with the condenser connecting pipeline, be in off state with compressor air suction mouth connecting pipeline, with the vaporizer connecting pipeline, second branch road is in off state; When spool is in second stop place, second channel, with vaporizer connecting pipeline, second branch road be in on-state, third channel, be in on-state with compressor air suction mouth connecting pipeline, the pipeline that is communicated with condenser, with the vaporizer connecting pipeline, with compressor air suction mouth connecting pipeline be in off state, first branch road, with the condenser connecting pipeline be in off state.
7. low-heat conduction four-way reversing valve as claimed in claim 6 is characterized in that spool is made up of four pistons that link together at a distance of certain distance, and described first passage, second channel, third channel are formed between the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201204301U CN201462082U (en) | 2009-05-21 | 2009-05-21 | Four-way diverting valve with low thermal conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201204301U CN201462082U (en) | 2009-05-21 | 2009-05-21 | Four-way diverting valve with low thermal conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201462082U true CN201462082U (en) | 2010-05-12 |
Family
ID=42389435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201204301U Expired - Lifetime CN201462082U (en) | 2009-05-21 | 2009-05-21 | Four-way diverting valve with low thermal conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201462082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016859A (en) * | 2016-07-18 | 2016-10-12 | 苏州恒兆空调节能科技有限公司 | Thermal insulation type four-way valve for cooling and heating air conditioner |
| CN109424764A (en) * | 2017-08-31 | 2019-03-05 | 株式会社不二工机 | Flow channel switching valve |
-
2009
- 2009-05-21 CN CN2009201204301U patent/CN201462082U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016859A (en) * | 2016-07-18 | 2016-10-12 | 苏州恒兆空调节能科技有限公司 | Thermal insulation type four-way valve for cooling and heating air conditioner |
| CN106016859B (en) * | 2016-07-18 | 2023-02-17 | 苏州恒兆空调节能科技有限公司 | Heat insulation type four-way valve of cooling and heating air conditioner |
| CN109424764A (en) * | 2017-08-31 | 2019-03-05 | 株式会社不二工机 | Flow channel switching valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |