CN102661640B - Three-way thermostatic expansion valve - Google Patents
Three-way thermostatic expansion valve Download PDFInfo
- Publication number
- CN102661640B CN102661640B CN201210149002.8A CN201210149002A CN102661640B CN 102661640 B CN102661640 B CN 102661640B CN 201210149002 A CN201210149002 A CN 201210149002A CN 102661640 B CN102661640 B CN 102661640B
- Authority
- CN
- China
- Prior art keywords
- connector
- valve
- heating power
- valve chamber
- expansion valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a three-way thermostatic expansion valve applicable to a heat pump hot water air conditioning unit, which is characterized in that the valve is provided with three connecting ports connected with a heat exchanger; a connecting port 1 and a connecting port 2 can be respectively connected with an outdoor machine heat exchanger and an indoor machine heat exchanger randomly; a connecting port 3 is a connecting port with a hot water box heat exchanger; a reverse unidirectional valve core is arranged between the connecting port 1 and a valve chamber 1; a reverse unidirectional valve core is arranged between the connecting port 2 and the valve chamber 1; the connecting port 1 is connected with a valve core 2 through a channel 1 which is internally provided with a forward unidirectional valve core; the connecting port 2 is connected with the valve chamber 2 through a channel 2 which is internally provided with a forward unidirectional valve core; and the valve can implement four kinds of throttling control modes. The technology solves the problem that the heat pump hot water air-conditioning throttling is difficult to solve by the existing unidirectional thermostatic expansion valve and the bidirectional thermostatic expansion valve.
Description
Technical field
The present invention relates to the application of heat pump hot water air conditioning technology, be particularly applied to a kind of throttling accessory of heat pump hot-water air conditioner group.
Background technology
The fast development of society, enhancing for consciousness and the product demand of energy-conserving and environment-protective, for heat pump hot water air conditioning, it is a energy-conserving and environment-protective, safe, both there is multi-functional unit, in the system of particularly changing as refrigerant operational mode by five-way heat pump hot water air conditioning reversing valve, only have at present the check valve of employing and capillary, or the throttling arrangement that expansion valve combines carries out throttling, during not only installation that it combines, check, and be difficult to regulating working conditions at best state under different patterns, there is no a heating power expansion valve that can automatically regulate operating mode that heating power expansion valve is the same that is similar to.
Summary of the invention
To the object of the invention is in order addressing the above problem, a kind of threeway heating power expansion valve that is applied to heat pump hot-water air conditioner group to be provided.This valve be applied in heat pump hot-water air conditioner group pipeline connect simple, convenient, cost is low, can allow system all have advantages of automatic adjusting operating mode in that pattern.
The present invention is realized by following technical scheme: a kind of threeway heating power expansion valve that is applied to heat pump hot water air conditioning, this valve is comprised of heating power sensing drive unit and the valve body with three connectors that are communicated with heat exchanger, its feature: heating power sensing drive unit is comprised of temperature-sensitive bag 11, capillary 12, bellows 13, diaphragm 14 and distance rod 15, thermal expansion valve body 10 comprises: connector 1, connector 22, connector 33, valve chamber 1, valve chamber 25, passage 1 and passage 27, connector 1 can be connected with heat exchanger indoor unit with off-premises station heat exchanger arbitrarily with connector 22, connector 33 is and boiler heat exchanger connector, between connector 1 and valve chamber 1, be provided with a reverse nonreturn valve core 8a, between connector 22 and valve chamber 1, be provided with a reverse nonreturn valve core 8b, between the passage 1 of connector 1 by the interior nonreturn valve core 8d that is provided with forward and valve chamber 25, be connected, between the passage 27 of connector 22 by the interior nonreturn valve core 8e that is provided with forward and valve chamber 25, be connected, between connector 33 and valve chamber 25, be provided with the nonreturn valve core 8c of a forward, it in valve chamber 1, is a cross-hole, top is the pilot hole of distance rod 15, below be and valve chamber 25 between throttle orifice, left and right is the axially extending bore being communicated with connector 1 and connector 22, is provided with throttling valve core 16 in valve chamber 25, regulating spring 17, set screw 18, O RunddichtringO 19, valve seat 20, valve body 10 belows are also provided with a sealing nut 21.
The cross section of described distance rod 15 be processed as D type or be similar to triangle and square, in throttle orifice one section be circular thimble.
In described connector 1 and connector 22, be respectively also provided with a snap ring 9a and 9b, its objective is prevent being located at the nonreturn valve core 8a between connector 1 and valve chamber 1 and be located at connector 22 and valve chamber 1 between nonreturn valve core 8b exit.
In described connector 33, be also provided with the limited screw 9c that has axially extending bore in and immerse oneself in hexagonal, its have spacing and and the nonreturn valve core 8c that is located between connector 33 and valve chamber 25 when in reverse pressure-bearing, play the effect of sealing.
The processing mouth of described passage 1 and passage 27 seals by soldering or other method with screw or plug 9d, 9e, 9f, in screw or plug 9d, 9e, is also provided with gag lever post.
Described nonreturn valve core 8a, 8b, 8c, its sealing surface of 8d, 8e are cone-shaped, and rear portion is cross or triangle.
Described connector 1, connector 22 and connector 33 can be designed as red copper soldering opening.
Described the type heating power expansion valve can be designed as the heating power expansion valve with balance connector.
Beneficial effect of the present invention: 1, the invention of this threeway heating power expansion valve has solved the problem that there is no corresponding throttle part in heat pump hot-water air conditioner group; 2, can make especially the machine set system as the conversion of refrigerant operational mode by five-way heat pump hot water air conditioning reversing valve, allow especially system in performance, have very large raising; 3, the orifice union that this threeway heating power expansion valve combines with capillary and check valve or original heating power expansion valve relatively, it can make system in best running status to a large extent, check degree and cost while having reduced greatly assembling, than on more can embody the object of energy-conserving and environment-protective in efficiency; 4, the design of this valve is ingenious, simple in structure, be easy to industrialization.
Accompanying drawing explanation
Fig. 1 is threeway heating power expansion valve structural representation of the present invention.
Fig. 2 is threeway thermal expansion connector of the present invention 3 cross-sectional view.
Fig. 3 is the application of threeway heating power expansion valve of the present invention in heat pump hot-water air conditioner group, and unit refrigerant circulation structural representation when refrigerating state.
Fig. 4 is the application of threeway heating power expansion valve of the present invention in heat pump hot-water air conditioner group, and unit refrigerant circulation structural representation when heating state.
Fig. 5 is the application of threeway heating power expansion valve of the present invention in heat pump hot-water air conditioner group, and unit is in refrigeration refrigerant circulation structural representation during water heating state simultaneously.
Fig. 6 is the application of threeway heating power expansion valve of the present invention in heat pump hot-water air conditioner group, and unit refrigerant circulation structural representation when water heating state.
Symbol in accompanying drawing: connector 1, connector 22, connector 33, valve chamber 1, valve chamber 25, passage 1, passage 27, nonreturn valve core 8a, 8b, 8c, 8d, 8e, snap ring 9a, 9b, limited screw 9c, screw or plug 9d, 9e, 9f, valve body 10, temperature-sensitive bag 11, capillary 12, bellows 13, diaphragm 14, distance rod 15, throttling valve core 15, regulating spring 17, set screw 18, O RunddichtringO 19, valve seat 20, sealing nut 21; Compressor 31, liquid storage fills with 32,5 way valve 33, boiler heat exchanger 34, outdoor heat converter 35, indoor heat converter 36, threeway heating power expansion valve 37.
The specific embodiment
Fig. 1, Fig. 2 is threeway heating power expansion valve structural representation of the present invention, concrete structure is described in summary of the invention and has done very and described in detail, at this, no longer repeats.
Fig. 3 to Fig. 6 is the application structure schematic diagram of threeway heating power expansion valve of the present invention in heat pump hot-water air conditioner group.Comprising: compressor 31, liquid storage fills with 32,5 way valve 33, boiler heat exchanger 34, outdoor heat converter 35, indoor heat converter 36, threeway heating power expansion valve 37.The exhaust outlet of compressor 31 is connected with the air inlet pipe of 5 way valve 32, the gas returning port of compressor is filled with 32 by liquid storage and is connected with the muffler of 5 way valve 33, other three connectors of 5 way valve 33 are connected with boiler heat exchanger 34, outdoor heat converter 35 and one end of indoor heat converter 36 respectively accordingly, the other end of outdoor heat converter 35 and indoor heat converter 36 is connected with connector 2 with the connector 1 of threeway heating power expansion valve 37 respectively, and the other end of boiler heat exchanger 34 is connected with the connector 33 of threeway heating power expansion valve 37.
When threeway heating power expansion valve of the present invention is applied in heat pump hot-water air conditioner group, unit 5 way valve 33 when refrigeration mode is connected high-pressure side with off-premises station heat exchanger 35, low-pressure end is connected with indoor heat converter 36, now threeway heating power expansion valve connector 1 is in high pressure, connector 22 is in low pressure, connector 33 is also relatively in low pressure, nonreturn valve core 8a between connector 1 and valve chamber 1 is in cut-off state, nonreturn valve core 8b between valve chamber 1 and connector 22 is in conducting state, be subject to nonreturn valve core 8d in the pressure differential passage 1 between connector 1 and valve chamber 25 in conducting state, therefore the pressure between connector 1 and valve chamber 25 is in quite, there is equally pressure differential with connector 22 and connector 33 in valve chamber 25, nonreturn valve core 8c in connector 33 and the nonreturn valve core 8e in passage 27 are in cut-off state, process off-premises station heat exchanger 35 condensed liquid refrigerants are by the connector 1 of threeway heating power expansion valve 37, passage 1 enters valve chamber 25, by throttle orifice, enter the object that valve chamber 1 and connector 22 reach throttling again.
When threeway heating power expansion valve of the present invention is applied in heat pump hot-water air conditioner group, unit 5 way valve 33 when heating mode is connected high-pressure side with indoor heat converter 36, low-pressure end is connected with off-premises station heat exchanger 35, now threeway heating power expansion valve connector 22 is in high pressure, connector 1 is in low pressure, connector 33 is also relatively in low pressure, nonreturn valve core 8b between connector 22 and valve chamber 1 is in cut-off state, nonreturn valve core 8a between valve chamber 1 and connector 1 is in conducting state, be subject to nonreturn valve core 8e in the pressure differential passage 27 between connector 22 and valve chamber 25 in conducting state, therefore the pressure between connector 22 and valve chamber 25 is in quite, there is equally pressure differential with connector 1 and connector 33 in valve chamber 25, nonreturn valve core 8c in connector 33 and the nonreturn valve core 8d in passage 1 are in cut-off state, the condensed liquid refrigerants of process heat exchanger indoor unit 36 is by the connector 22 of threeway heating power expansion valve 37, passage 27 enters valve chamber 25, by throttle orifice, enter the object that valve chamber 1 and connector 1 reach throttling again.
When threeway heating power expansion valve of the present invention is applied in heat pump hot-water air conditioner group, unit in refrigeration simultaneously during water heating pattern 5 way valve 33 high-pressure side is connected with boiler heat exchanger 34, low-pressure end is connected with indoor heat converter 36, now threeway heating power expansion valve connector 33 is in high pressure, connector 22 is in low pressure, connector 1 is also relatively in low pressure, nonreturn valve core 8c in connector 33 is now in forward conduction state, pressure between connector 33 and valve chamber 25 is in quite, nonreturn valve core 8d in passage 1 between valve chamber 25 and connector 1 and connector 22 and the nonreturn valve core 8e in passage 27 are in cut-off state, process boiler heat exchanger 34 condensed liquid refrigerants enter valve chamber 25 by the connector 33 of threeway heating power expansion valve 37, by throttle orifice, enter valve chamber 1 again, connector 22 is in low pressure, by throttle orifice, enter a little higher than connector 22 of pressure meeting in the valve chamber 1 after valve chamber 1, now the nonreturn valve core 8b between valve chamber 1 and connector 22 is in conducting state, pressure in connector 1 is the pressure under equilibrium state before compressor start, the pressure of connector 1 or far above the pressure of valve chamber 1 now, therefore the nonreturn valve core 8a between connector 1 and valve chamber 1 is in cut-off state, therefore from throttle orifice liquid refrigerants out, through valve chamber 1, flow to the object that connector 22 reaches throttling.
When threeway heating power expansion valve of the present invention is applied in heat pump hot-water air conditioner group, unit 5 way valve 33 when single water heating pattern is connected high-pressure side with boiler heat exchanger 34, low-pressure end is connected with off-premises station heat exchanger 35, now threeway heating power expansion valve connector 33 is in high pressure, connector 1 is in low pressure, connector 22 is also relatively in low pressure, nonreturn valve core 8c in connector 33 is now in forward conduction state, pressure between connector 33 and valve chamber 25 is in quite, nonreturn valve core 8d in passage 1 between valve chamber 25 and connector 1 and connector 22 and the nonreturn valve core 8e in passage 27 are in cut-off state, process boiler heat exchanger 34 condensed liquid refrigerants enter valve chamber 25 by the connector 33 of threeway heating power expansion valve 37, by throttle orifice, enter valve chamber 1 again, connector 1 is in low pressure, by throttle orifice, enter a little higher than connector 1 of pressure meeting in the valve chamber 1 after valve chamber 1, now the nonreturn valve core 8a between valve chamber 1 and connector 1 is in conducting state, pressure in connector 22 is the pressure under equilibrium state before compressor start, the pressure of connector 22 or far above the pressure of valve chamber 1 now, therefore the nonreturn valve core 8b between connector 22 and valve chamber 1 is in cut-off state, therefore from throttle orifice liquid refrigerants out, through valve chamber 1, flow to the object that connector 1 reaches throttling.
Claims (8)
1. a threeway heating power expansion valve that is applied to heat pump hot water air conditioning, this valve is comprised of heating power sensing drive unit and the valve body with three connectors that are communicated with heat exchanger, its feature: heating power sensing drive unit is comprised of temperature-sensitive bag (11), capillary (12), bellows (13), diaphragm (14) and distance rod (15), thermal expansion valve body (10) comprising: connector one (1), connector two (2), connector three (3), valve chamber one (4), valve chamber two (5), passage one (6) and passage two (7), connector one (1) can be connected with heat exchanger indoor unit with off-premises station heat exchanger arbitrarily with connector two (2), connector three (3) is and boiler heat exchanger connector, between connector one (1) and valve chamber one (4), be provided with a reverse nonreturn valve core (8a), between connector two (2) and valve chamber one (4), be provided with a reverse nonreturn valve core (8b), between the passage one (6) of connector one (1) by the interior nonreturn valve core (8d) that is provided with forward and valve chamber two (5), be connected, between the passage two (7) of connector two (2) by the interior nonreturn valve core (8e) that is provided with forward and valve chamber two (5), be connected, between connector three (3) and valve chamber two (5), be provided with the nonreturn valve core (8c) of a forward, it in valve chamber one (4), is a cross-hole, top is the pilot hole of distance rod (15), below be and valve chamber two (5) between throttle orifice, left and right is the axially extending bore being communicated with connector one (1) and connector two (2), in valve chamber two (5), be provided with throttling valve core (16), regulating spring (17), set screw (18), O RunddichtringO (19), valve seat (20), valve body (10) below is also provided with a sealing nut (21).
2. threeway heating power expansion valve according to claim 1, is characterized in that: the cross section of described distance rod (15) is processed as D type or is similar to triangle or is similar to square, in throttle orifice one section is circular thimble.
3. threeway heating power expansion valve according to claim 1, it is characterized in that: in described connector one (1) and connector two (2), be respectively also provided with a snap ring, its objective is prevent being located at the nonreturn valve core (8a) between connector one (1) and valve chamber one (4) and be located at connector two (2) and valve chamber one (4) between nonreturn valve core (8b) exit.
4. threeway heating power expansion valve according to claim 1, it is characterized in that: in described connector three (3), be also provided with the limited screw (9c) that has axially extending bore in and immerse oneself in hexagonal, its have spacing and and the nonreturn valve core (8c) that is located between connector three (3) and valve chamber two (5) when in reverse pressure-bearing, play the effect of sealing.
5. threeway heating power expansion valve according to claim 1, it is characterized in that: the processing mouth of described passage one (6) and passage two (7) seals by soldering or other method with screw or plug (9d, 9e, 9f), in screw or plug (9d, 9e), is also provided with gag lever post.
6. threeway heating power expansion valve according to claim 1, is characterized in that: its sealing surface of described nonreturn valve core (8a, 8b, 8c, 8d, 8e) is cone-shaped, and rear portion is cross or triangle.
7. threeway heating power expansion valve according to claim 1, is characterized in that: described connector one (1), connector two (2) and connector three (3) are designed to red copper soldering opening.
8. threeway heating power expansion valve according to claim 1, is characterized in that: described heating power expansion valve is designed to have the heating power expansion valve of balance connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149002.8A CN102661640B (en) | 2012-05-08 | 2012-05-08 | Three-way thermostatic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149002.8A CN102661640B (en) | 2012-05-08 | 2012-05-08 | Three-way thermostatic expansion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102661640A CN102661640A (en) | 2012-09-12 |
| CN102661640B true CN102661640B (en) | 2014-03-12 |
Family
ID=46771176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210149002.8A Expired - Fee Related CN102661640B (en) | 2012-05-08 | 2012-05-08 | Three-way thermostatic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102661640B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185426A (en) * | 2012-12-18 | 2013-07-03 | 雷宜东 | Three-way electronic expansion valve |
| CN103245142B (en) * | 2013-05-29 | 2015-05-27 | 上海交通大学 | Expansion valve having two-way valve functions |
| CN103335134A (en) * | 2013-07-03 | 2013-10-02 | 无锡宇吉科技有限公司 | Constant temperature adjusting device |
| CN104344927B (en) * | 2013-07-29 | 2017-12-08 | 珠海格力电器股份有限公司 | Pressure sensor connecting structure of pressure pipeline and pressure sensor mounting assembly |
| CN113090604B (en) * | 2021-04-07 | 2023-07-04 | 海明液压技术有限公司 | 1D holds multi-functional intelligent control change valve function module unit of chamber formula |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD101001A1 (en) * | 1972-04-28 | 1973-10-12 | ||
| JP3351076B2 (en) * | 1993-12-24 | 2002-11-25 | 松下電器産業株式会社 | Refrigeration cycle saturated steam temperature detector |
| EP1202009B1 (en) * | 2000-10-30 | 2006-05-24 | Parker Hannifin Corporation | Dual restrictor shut-off valve for pressurized fluids of air cooling/heating apparatus |
| JP3815978B2 (en) * | 2001-04-13 | 2006-08-30 | 株式会社不二工機 | Thermal expansion valve |
| CN101349362A (en) * | 2008-09-22 | 2009-01-21 | 廖燕妹 | Triplet constant temperature adjustable water mixing valve |
-
2012
- 2012-05-08 CN CN201210149002.8A patent/CN102661640B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102661640A (en) | 2012-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102661640B (en) | Three-way thermostatic expansion valve | |
| CN203572107U (en) | Supercooling heat exchanger and heat pump system with same | |
| CN100467966C (en) | Multiple central heat pump heating and air conditioning water heater | |
| CN203518094U (en) | Multi-connected heat recovery air-conditioner system | |
| CN201421161Y (en) | Air-conditioner water heater | |
| CN103415749B (en) | Binary refrigeration cycle device | |
| CN103185426A (en) | Three-way electronic expansion valve | |
| CN101886832B (en) | control method of heat pump air conditioner | |
| CN201348367Y (en) | Hot water unit of heat pump air conditioner | |
| CN101907372A (en) | Hot-water air conditioning unit | |
| CN204665732U (en) | A kind of refrigeration system | |
| CN101382354A (en) | Double- effective day/night high temperature water-water heat pump hot water unit | |
| CN204254925U (en) | Heat exchange system and air conditioner with same | |
| CN203501358U (en) | Air conditioning system | |
| CN102538274A (en) | Multiple on-line system without gas-liquid separator and control mode thereof | |
| KR20120081815A (en) | An air conditioner | |
| CN205245597U (en) | Two compressor formula refrigerating system | |
| CN201221871Y (en) | Multifunctional heat pump machine unit | |
| CN201034394Y (en) | Air-conditioning hot pump hot-water machine set | |
| CN204345974U (en) | Shell and tube exchanger and multifunction water-heating system | |
| CN103471192A (en) | Multi-connected type heat recovery air conditioning system and running method thereof | |
| CN202304094U (en) | Air-conditioning water heater system | |
| CN204006859U (en) | There is multiple heat and exchange the heat pump that increases enthalpy | |
| CN203489543U (en) | Heat pump double throttling undercooling device and heat pump system with same | |
| CN205227929U (en) | It increases enthalpy trigeminy confession system to have multiple heat transfer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20170508 |