CN103245142A - Expansion valve having two-way valve functions - Google Patents
Expansion valve having two-way valve functions Download PDFInfo
- Publication number
- CN103245142A CN103245142A CN2013102077287A CN201310207728A CN103245142A CN 103245142 A CN103245142 A CN 103245142A CN 2013102077287 A CN2013102077287 A CN 2013102077287A CN 201310207728 A CN201310207728 A CN 201310207728A CN 103245142 A CN103245142 A CN 103245142A
- Authority
- CN
- China
- Prior art keywords
- valve
- check
- choke
- export
- sensing device
- 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.)
- Granted
Links
Images
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
An expansion valve having two-way valve functions is utilized in a heat pump system in the technical field of valve structures, and comprises a temperature sensing device, a valve body, an output channel which is arranged on the valve body and connected with an evaporator exhaust pipe, a first inlet/outlet pipe and a second inlet/outlet pipe which are connected with an evaporator respectively, a throttle, an ejection rod which is used for adjusting the throttle, and four one-way valves, wherein the temperature sensing device is communicated with the output channel; one end of the ejection rod is contacted with the temperature sensing device, and the other end of the ejection rod is contacted with the throttle; the four one-way valves form a bridge pipeline structure; a first inlet end and a first outlet end of a bridge pipeline are communicated with the first inlet/outlet pipe; a second inlet end and a second outlet end of the bridge pipeline are communicated with the second inlet/outlet pipe; the first inlet end and the second inlet end are communicated with an inlet end of the throttle; and the first outlet end and the second outlet end are communicated with an outlet end of the throttle. The expansion valve has two-way circulating and throttling functions, and can work stably in an environment with greater vibration.
Description
Technical field
What the present invention relates to is the expansion valve that has the two-way valve function that uses in a kind of heat pump of valve arrangement technical field.
Background technology
In cooling and warming dual-purpose heat pump type air-conditioning system, usually with the combination of two expansion valves, one of them expansion valve another expansion valve that freezes heats and adapts to the mobile of cold-producing medium in fact, freeze and heat-production functions between conversion switch by a cross valve.
Find through the retrieval to prior art, Chinese patent literature CN2931997, open day 2007-08-08, put down in writing a kind of heating power expansion valve that has non-return valve function, its valve interior wall vertically is provided with a unidirectional valve opening near import department, this unidirectional valve opening upper end is communicated with import, and unidirectional valve opening lower end is communicated with outlet, is provided with the unidirectional valve rod that matches with valve opening in the unidirectional valve opening.But this technology can only be done expansion valve usefulness when the cold-producing medium forward flow, can only do check valve usefulness during the cold-producing medium reverse flow, can't satisfy two-way flow and to the function of cold-producing medium throttling.And the influence that the structural design of its check valve may be shaken was lost efficacy or is unstable.
In addition, Chinese patent literature CN101324382, open day 2008-12-17, put down in writing a kind of air conditioning for automobiles heat pump, the regulator that dams in system between the indoor and outdoor heat exchanger has increased by four check valves, and described throttling regulator comprises liquid reservoir, drier, liquid-sighting glass and expansion valve, and two on described check valve is one group and connects in proper order, and its series connection direction is identical, and indoor and outdoor heat exchanger is connected to not between on the same group the check valve; Described check valve outlet side is connected with the liquid reservoir of the described regulator that dams respectively, and described check valve inlet end is connected with the expansion valve of the described regulator that dams respectively.By the way flow general character of check valve, change cold-producing medium in the intrasystem flow direction, thereby reach the purpose of two-way expansion valve function.But this technology uses four check valves to be connected with an expansion valve, and integration is bad, and mounting means is more loaded down with trivial details makes mistakes easily, and the big cost that takes up space in air-conditioning system is higher.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of expansion valve that has the two-way valve function is provided, provide in the cold-producing medium circulation of heat pump type air conditioning system, have two-way flow and throttling function and can be under the bigger environment of vibrations the valve body of steady operation.
The present invention is achieved by the following technical solutions, the present invention includes: temperature sensing device, valve body, be arranged at the output channel of the connection evaporimeter blast pipe on the valve body, the first turnover pipe that links to each other with evaporimeter respectively and the second turnover pipe, choke valve, be used for regulating push rod and four check valves of choke valve, wherein: temperature sensing device and output channel are communicated with, one end of push rod contacts with temperature sensing device, the other end contacts with choke valve, four check valves are formed the bridge pipe line structure, first arrival end of this bridge-type pipeline and first port of export are connected with the first turnover pipe, second arrival end and second port of export are connected with the second turnover pipe, first arrival end and second arrival end are connected with the entrance point of choke valve, and first port of export and second port of export are connected with the port of export of choke valve.
Described bridge-type pipeline refers to: the inflow end of the outflow end of first check valve and second check valve is oppositely arranged, and by linking to each other with first connecting line that is connected of turnover pipe of choke valve, the inflow end of the outflow end of the 3rd check valve and the 4th check valve is oppositely arranged, and by linking to each other with second connecting line that is connected of turnover pipe of choke valve, by linking to each other with commutation pipeline that the port of export of choke valve is connected, the outflow end of the outflow end of second check valve and the 4th check valve is by linking to each other with commutation pipeline that the entrance point of choke valve is connected between the inflow end of first check valve and the inflow end of the 3rd check valve.
Described check valve comprises: first limited block, second limited block, valve piece and one-way valve spring, wherein: a side of first limited block is fixed on the pipeline of connection, opposite side contacts with the valve piece, ventilation device is arranged on the valve piece and is linked to each other with second limited block by one-way valve spring.
Ventilation device on the described valve piece is: the groove structure that the valve block edge is evenly arranged.
Described choke valve comprises: valve ball, throttle chamber, throttle valve spring, valve seat and valve gap, wherein: the entrance point of throttle chamber and the port of export are connected with the bridge-type pipeline of check valve, valve ball contacts with push rod and is supported by valve gap, and throttle valve spring is arranged between valve seat and the valve gap.
Described temperature sensing device comprises: temperature sensing device housing and be arranged at its inner temperature-sensitive diaphragm, wherein: the temperature-sensitive diaphragm contacts with push rod.
Have the transitional pore that is connected with the temperature sensing device housing on the described valve body.
Use when different flow direction, the flow through direction of choke valve of the present invention, cold-producing medium constant all the time, keep under pass through valve ball after, throttling is flowed out from the top.Simultaneously, the present invention has the function of throttling and can shake steady operation under the bigger environment.And realizing that the bidirectional throttle process only needs a part, saved the set-up time greatly, improved the degree of accuracy of installing, also saved the space of air-conditioning system simultaneously, reduced cost.
Description of drawings
Fig. 1 is sectional axonometric drawing of the present invention;
Fig. 2 is one-way valve structures figure;
Fig. 3 is the one-way valve structures explosive view;
Fig. 4 is cold-producing medium forward circulation schematic diagram;
Fig. 5 is cold-producing medium reverse circulated schematic diagram.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, present embodiment comprises: temperature sensing device 1, valve body 2, valve body 2 is provided with the output channel 4 that connects the evaporimeter blast pipe, choke valve 21, the first turnover pipe 6, the second turnover pipe 10, regulate push rod 3 and four check valves 5 of choke valve 21, wherein: temperature sensing device 1 and output channel 4 are communicated with, one end of push rod 3 contacts with temperature sensing device 1, the other end contacts with choke valve 21, the first turnover pipe 6 links to each other with evaporimeter respectively with the second turnover pipe 10, four check valves 5 are formed the bridge-type pipeline, first arrival end of this bridge-type pipeline and first port of export are connected with the first turnover pipe 6, second arrival end and second port of export are connected with the second turnover pipe 10, first arrival end and second arrival end are connected with the entrance point of choke valve 21, and first port of export and second port of export are connected with the port of export of choke valve 21.
As Fig. 4, shown in Figure 5, described bridge-type pipeline refers to: the inflow end of the outflow end of the first check valve 5-1 and the second check valve 5-2 is oppositely arranged, and by linking to each other with the first turnover pipe, 6 connecting lines that are connected of choke valve 21, the inflow end of the outflow end of the 3rd check valve 5-3 and the 4th check valve 5-4 is oppositely arranged, and by linking to each other with the second turnover pipe, 10 connecting lines that are connected of choke valve 21, the commutation pipeline 7 that is connected by the port of export with choke valve 21 between the inflow end of the inflow end of the first check valve 5-1 and the 3rd check valve 5-3 links to each other, and the outflow end of the outflow end of the second check valve 5-2 and the 4th check valve 5-4 is linked to each other by the commutation pipeline 18 that the entrance point with choke valve 21 is connected.
As Fig. 2, shown in Figure 3, described check valve 5 comprises: the first limited block 5-a, the second limited block 5-d, valve piece 5-b and one-way valve spring 5-c, wherein: the side of the first limited block 5-a is fixed on the pipeline of connection, opposite side contacts with valve piece 5-b, ventilation device is arranged on the valve piece 5-b and is linked to each other with the second limited block 5-d by one-way valve spring 5-c.
Ventilation device on the described valve piece is: the groove structure that the valve block edge is evenly arranged.
Described choke valve 21 comprises: valve ball 11, throttle chamber 12, choke valve 21 springs 13, valve seat 14 and valve gap 15, wherein: the entrance point of throttle chamber 12 and the port of export are connected with the bridge-type pipeline of check valve 5, valve ball 11 contacts with push rod 3 and is supported by valve gap 15, and choke valve 21 springs 13 are arranged between valve seat 14 and the valve gap 15.
Described commutation pipeline 7,18 comprises: the entrance commutation pipeline 18 that is connected with throttle chamber's entrance 19,20 of throttle chamber 12, the outlet that is connected with choke valve 21 steam vents 8,9 commutation pipeline 7.
Described temperature sensing device 1 comprises: temperature sensing device housing and be arranged at its inner temperature-sensitive diaphragm 16, wherein: temperature-sensitive diaphragm 16 contacts with push rod 3.
Have the transitional pore 17 that is connected with temperature sensing device 1 housing on the described valve body 2.
As shown in Figure 4, enter check valve 5-2 in the first turnover pipe 6 during the cold-producing medium forward flow, through commutation pipeline 18, throttle chamber's entrance 19,20 enter in the throttle chamber 12, promoting valve gap 15 compression throttling valves 21 springs 13 under the effect of refrigerant pressure opens valve ball 11, cold-producing medium after the throttling (gas-liquid mixed) is from choke valve 21 steam vents 8,9 export the commutation pipeline 7 of flowing through manages 10 inflow evaporators by check valve 5-3 from second turnover, the cold-producing medium of discharging after the evaporimeter heat exchange output channel 4 of flowing through enters the distortion of temperature sensing device 1 temperature-sensitive diaphragm this moment 16 temperature influences by transitional pore 17, and the scope of activities control of regulating push rod 3 enters the flow of the cold-producing medium in the evaporimeter.
As shown in Figure 5, enter in the second turnover pipe 10 during the cold-producing medium reverse flow, check valve 5-4 flows through, commutation pipeline 18, throttle chamber's entrance 19,20 enter in the throttle chamber 12, promoting valve gap 15 compression throttling valves 21 springs 13 under the effect of refrigerant pressure opens valve ball 11, cold-producing medium after the throttling (gas-liquid mixed) is from choke valve 21 steam vents 8,9 export the commutation pipeline 7 of flowing through manages 6 inflow evaporators by check valve 5-1 from first turnover, the cold-producing medium of discharging after the evaporimeter heat exchange output channel 4 of flowing through enters the distortion of temperature sensing device 1 temperature-sensitive diaphragm this moment 16 temperature influences by transitional pore 17, and the scope of activities control of regulating push rod 3 enters the flow of the cold-producing medium in the evaporimeter.
Claims (7)
1. expansion valve that has the two-way valve function, it is characterized in that, comprise: temperature sensing device, valve body, be arranged at the output channel of the connection evaporimeter blast pipe on the valve body, the first turnover pipe that links to each other with evaporimeter respectively and the second turnover pipe, choke valve, be used for regulating push rod and four check valves of choke valve, wherein: temperature sensing device and output channel are communicated with, one end of push rod contacts with temperature sensing device, the other end contacts with choke valve, four check valves are formed the bridge pipe line structure, first arrival end of this bridge-type pipeline and first port of export are connected with the first turnover pipe, second arrival end and second port of export are connected with the second turnover pipe, first arrival end and second arrival end are connected with the entrance point of choke valve, and first port of export and second port of export are connected with the port of export of choke valve.
2. expansion valve according to claim 1, it is characterized in that, described bridge pipe line structure refers to: the inflow end of the outflow end of first check valve and second check valve is oppositely arranged, and by linking to each other with first connecting line that is connected of turnover pipe of choke valve, the inflow end of the outflow end of the 3rd check valve and the 4th check valve is oppositely arranged, and by linking to each other with second connecting line that is connected of turnover pipe of choke valve, by linking to each other with commutation pipeline that the port of export of choke valve is connected, the outflow end of the outflow end of second check valve and the 4th check valve is by linking to each other with commutation pipeline that the entrance point of choke valve is connected between the inflow end of first check valve and the inflow end of the 3rd check valve.
3. expansion valve according to claim 1 and 2, it is characterized in that, described check valve comprises: first limited block, second limited block, valve piece and one-way valve spring, wherein: a side of first limited block is fixed on the pipeline of connection, opposite side contacts with the valve piece, and ventilation device and continuous in second limited block by one-way valve spring is arranged on the valve piece.
4. expansion valve according to claim 3 is characterized in that, the ventilation device on the described valve piece is: the groove structure that the valve block edge is evenly arranged.
5. expansion valve according to claim 3, it is characterized in that, described choke valve comprises: valve ball, throttle chamber, throttle valve spring, valve seat and valve gap, wherein: the entrance point of throttle chamber and the port of export are connected with the bridge-type pipeline of check valve, valve ball contacts with push rod and is supported by valve gap, and throttle valve spring is arranged between valve seat and the valve gap.
6. expansion valve according to claim 3 is characterized in that, described temperature sensing device comprises: temperature sensing device housing and be arranged at its inner temperature-sensitive diaphragm, wherein: the temperature-sensitive diaphragm contacts with push rod.
7. expansion valve according to claim 3 is characterized in that, has the transitional pore that is connected with the temperature sensing device housing on the described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207728.7A CN103245142B (en) | 2013-05-29 | 2013-05-29 | Expansion valve having two-way valve functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207728.7A CN103245142B (en) | 2013-05-29 | 2013-05-29 | Expansion valve having two-way valve functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103245142A true CN103245142A (en) | 2013-08-14 |
| CN103245142B CN103245142B (en) | 2015-05-27 |
Family
ID=48924834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310207728.7A Active CN103245142B (en) | 2013-05-29 | 2013-05-29 | Expansion valve having two-way valve functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103245142B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397758A (en) * | 2018-04-24 | 2019-11-01 | 盾安汽车热管理科技有限公司 | A kind of expansion valve and Gas-supplying enthalpy-increasing system |
| CN113251706A (en) * | 2020-02-07 | 2021-08-13 | 马勒国际公司 | Evaporator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240082Y (en) * | 1995-12-13 | 1996-11-13 | 东莞三荣家用电器有限公司 | Water valve |
| JP2701945B2 (en) * | 1989-10-13 | 1998-01-21 | 株式会社不二工機 | Temperature type subcool control valve |
| JPH11173705A (en) * | 1997-12-09 | 1999-07-02 | Tgk Co Ltd | Expansion valve with bypass pipeline for refrigeration cycle |
| CN1932344A (en) * | 2005-09-13 | 2007-03-21 | 浙江三花制冷集团有限公司 | Thermal expansion valve |
| CN101886718A (en) * | 2009-05-13 | 2010-11-17 | 浙江三花股份有限公司 | Two-way thermal expansion valve |
| CN201666700U (en) * | 2010-02-09 | 2010-12-08 | 上海奉申制冷控制器有限公司 | Bidirectional heating power expansion valve |
| CN102661640A (en) * | 2012-05-08 | 2012-09-12 | 雷宜东 | Three-way thermostatic expansion valve |
-
2013
- 2013-05-29 CN CN201310207728.7A patent/CN103245142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2701945B2 (en) * | 1989-10-13 | 1998-01-21 | 株式会社不二工機 | Temperature type subcool control valve |
| CN2240082Y (en) * | 1995-12-13 | 1996-11-13 | 东莞三荣家用电器有限公司 | Water valve |
| JPH11173705A (en) * | 1997-12-09 | 1999-07-02 | Tgk Co Ltd | Expansion valve with bypass pipeline for refrigeration cycle |
| CN1932344A (en) * | 2005-09-13 | 2007-03-21 | 浙江三花制冷集团有限公司 | Thermal expansion valve |
| CN101886718A (en) * | 2009-05-13 | 2010-11-17 | 浙江三花股份有限公司 | Two-way thermal expansion valve |
| CN201666700U (en) * | 2010-02-09 | 2010-12-08 | 上海奉申制冷控制器有限公司 | Bidirectional heating power expansion valve |
| CN102661640A (en) * | 2012-05-08 | 2012-09-12 | 雷宜东 | Three-way thermostatic expansion valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397758A (en) * | 2018-04-24 | 2019-11-01 | 盾安汽车热管理科技有限公司 | A kind of expansion valve and Gas-supplying enthalpy-increasing system |
| CN110397758B (en) * | 2018-04-24 | 2022-03-08 | 盾安汽车热管理科技有限公司 | Expansion valve and air-supplying enthalpy-increasing system |
| CN113251706A (en) * | 2020-02-07 | 2021-08-13 | 马勒国际公司 | Evaporator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103245142B (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102087057B (en) | Air conditioning system capable of balancing coolant amount | |
| CN109140815B (en) | Thermal management system and flow control device | |
| CN101403541B (en) | Heat pump air conditioning system | |
| CN109405372B (en) | Throttle multi-port thermal expansion valve assembly and vehicle | |
| CN103994598A (en) | Heat pump system used for pure electric vehicle | |
| CN101392969B (en) | Heat pump air conditioning system | |
| CN112339526B (en) | Heat accumulating type truck parking air conditioning system | |
| CN106016799A (en) | Cool-warm air conditioner | |
| CN104101125A (en) | Air conditioner | |
| CN201569204U (en) | Air conditioning system capable of balancing refrigerant amount | |
| CN103245142B (en) | Expansion valve having two-way valve functions | |
| US10612798B2 (en) | Air conditioning and heat pump tower with energy efficient arrangement | |
| CN216184328U (en) | Fluid control assembly, thermal management system and vehicle | |
| CN109690198B (en) | Central air conditioning heat pump system with energy-saving device | |
| CN202002392U (en) | Multi-mode heat recovery heat pump device | |
| CN201034394Y (en) | Air-conditioning hot pump hot-water machine set | |
| CN110274053A (en) | Fluid switching device and heat management system | |
| CN204345974U (en) | Shell and tube exchanger and multifunction water-heating system | |
| CN202303732U (en) | Vehicle air conditioning system-based direct-expansion type solar heating system | |
| CN203323448U (en) | Coolant multi-branch-circuit total heat recovery air conditioning unit | |
| CN203489543U (en) | Heat pump double throttling undercooling device and heat pump system with same | |
| CN105987198B (en) | Self-operated type four-way valve and its air-conditioning system | |
| CN200975495Y (en) | Second throttle bidirectional heat expansion valve with filter structure | |
| CN100547274C (en) | Second throttle bidirectional heat expansion valve | |
| CN104792064A (en) | Instant-heating type hot water air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |