CN105318615B - Choke valve and refrigeration plant - Google Patents
Choke valve and refrigeration plant Download PDFInfo
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- CN105318615B CN105318615B CN201410380829.9A CN201410380829A CN105318615B CN 105318615 B CN105318615 B CN 105318615B CN 201410380829 A CN201410380829 A CN 201410380829A CN 105318615 B CN105318615 B CN 105318615B
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- choke valve
- pipe
- refrigerant
- throttle pipe
- valve
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Abstract
The invention discloses a kind of choke valve, the choke valve includes throttle pipe and the valve element in throttle pipe with inlet and liquid outlet, choke valve is also wrapped in the hush pipe on the outside of throttle pipe, the refrigerant exit of hush pipe connects with the inlet of throttle pipe, supercooling chamber is formed between hush pipe and throttle pipe, so as to flow into the refrigerant of supercooling chamber with being subcooled by the refrigerant of throttle pipe.The present invention, which realizes, reduces the purpose that noise is produced during choke valve work, reduces the influence to surrounding environment, and can also improve refrigeration.
Description
Technical field
The present invention relates to art of refrigeration units, more particularly to a kind of choke valve and refrigeration plant.
Background technology
Choke valve is one of critical elements of refrigeration plant, plays a part of reducing pressure by regulating flow in refrigerant pipeline.
Existing choke valve is made up of short tube and the valve element in short tube, and choke valve is attached to the refrigerant of refrigeration plant
When on pipeline, it is general directly it is exposed in atmosphere.
It is well known that the refrigerant HTHP due to flowing to choke valve, when refrigerant passes through choke valve, will be produced larger
Airflow noise, and the airflow noise will be propagated directly in air by exposed aerial choke valve, cause product noise big,
Influence product quality.
The content of the invention
It is a primary object of the present invention to the technology for solving to produce serious noise effect surrounding environment during choke valve work to ask
Topic.
To achieve the above object, the present invention provides a kind of choke valve, and the choke valve includes carrying inlet and liquid outlet
Throttle pipe and the valve element in the throttle pipe, the choke valve be also wrapped in the noise reduction on the outside of the throttle pipe
Pipe, the refrigerant exit of the hush pipe connect with the inlet of the throttle pipe, shape between the hush pipe and the throttle pipe
Into supercooling chamber, so as to flow into the refrigerant of the supercooling chamber with being subcooled by the refrigerant of the throttle pipe.
Preferably, the relative position distance between the tube wall of the tube wall of the hush pipe and the throttle pipe be L, and 15 in the least
Rice≤L≤40 millimeter.
Preferably, liquid outlet identical one of the refrigerant import of the hush pipe located at the hush pipe and the throttle pipe
End, the refrigerant exit of the hush pipe is located at inlet identical one end of the hush pipe and the throttle pipe.
Preferably, the choke valve also includes filter, and the filter is located at the inlet and valve element of the throttle pipe
Between.
Preferably, the choke valve also includes connecting tube, one end of the connecting tube and the refrigerant exit of the throttle pipe
Connection, the other end of the connecting tube connect with the inlet of the throttle pipe.
Preferably, the curved setting of the connecting tube.
Preferably, the radian of the connecting tube is α, and 90 °≤α≤160 °.
Preferably, the serpentine-like setting of the connecting tube.
In addition, to achieve the above object, the present invention also provides a kind of refrigeration plant, the refrigeration plant includes as described above
Choke valve；The choke valve includes throttle pipe and the valve element in the throttle pipe with inlet and liquid outlet, institute
State the hush pipe that choke valve is also wrapped on the outside of the throttle pipe, the refrigerant exit of the hush pipe and the throttle pipe
Inlet is connected, and supercooling chamber is formed between the hush pipe and the throttle pipe, so as to flow into the refrigerant of the supercooling chamber
With being subcooled by the refrigerant of the throttle pipe.
Preferably, the refrigeration plant also includes compressor, condenser, evaporator and four-way valve, the row of the compressor
Gas port connects with the first end of the four-way valve, and the second end of the four-way valve connects with the entrance point of the condenser, described
The port of export of condenser connects with the entrance point of the choke valve, the entrance point of the port of export of the choke valve and the evaporator
Connection, the port of export of the evaporator connect with the 3rd end of the four-way valve, the 4th end and the compression of the four-way valve
The gas returning port connection of machine.
The present invention is isolated by wrapping up a hush pipe on the throttle pipe for be provided with throttle valve core by the hush pipe
Choke valve work caused by airflow noise, so as to reduce choke valve work caused by noise, reduce to surrounding environment
Influence；Also, supercooling chamber is formed between the hush pipe and throttle pipe, for the refrigerant that circulates, has further isolated noise；Separately
Outside, because the valve element of choke valve is in reducing pressure by regulating flow, the refrigerant evaporation that can make to flow through absorbs heat so that the refrigerant in supercooling chamber is again
Once it is subcooled, improves refrigeration.
Brief description of the drawings
Fig. 1 is the structural representation of choke valve preferred embodiment of the present invention；
Fig. 2 is the structural representation of the embodiment of refrigeration plant one of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
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 choke valve.
Reference picture 1, in one embodiment, the choke valve include the throttle pipe 10 with inlet 101 and liquid outlet 102
And the valve element 20 in the throttle pipe 10, the choke valve are also wrapped in the hush pipe in the outside of throttle pipe 10
30, the refrigerant exit 301 of the hush pipe 30 connects with the inlet 101 of the throttle pipe 10, the hush pipe 30 with it is described
Supercooling chamber 35 is formed between throttle pipe 10, so as to flow into the refrigerant of the supercooling chamber 35 with passing through the cold of the throttle pipe 10
Matchmaker is subcooled.
It should be appreciated that after hush pipe 30 is wrapped in the outside of the throttle pipe 10, the space of a relative closure is formed,
To work valve element 20, caused noise is isolated.Wherein, the tube wall of hush pipe 30 can use acoustic material, with improve every
Audio fruit, acoustic film either sound-deadening paint is pasted on the outer wall.In addition, there is refrigerant to flow through when being subcooled in chamber 35
When, airflow noise caused by the valve element 20 of choke valve is spread by the locular wall of throttle pipe 10 to supercooling chamber 30, and now, sound will
The refrigerant that can be too cold in chamber 30 absorbs, and because the quick flowing of refrigerant make it that sound is disperseed, weakens, so as to further carry
The high soundproof effect of supercooling chamber 30.
Wherein, above-mentioned hush pipe 30 also has a refrigerant import 301, for being connected with other refrigerant pipelines, to work
When, refrigerant is inputted to supercooling chamber 35, the refrigerant import 301 and is preferably provided at the liquid outlet of hush pipe 30 and throttle pipe 10
102 same one end.The supercooling chamber 30 formed between above-mentioned hush pipe 30 and throttle pipe 10 is a part for refrigerant flow, is subcooled
Chamber 30 circulates for cooling matchmaker.Wherein, because hush pipe 30 is wrapped on throttle pipe 10, when the valve element 20 in choke valve is in work
When making, evaporation endothermic effect is produced in throttle pipe 10, and it is cold in supercooling chamber 35 to flowing through by the tube wall of throttle pipe 10
Matchmaker is subcooled, and improves heat transfer effect.
The present invention passes through the hush pipe 30 by wrapping up a hush pipe 30 on the throttle pipe 10 provided with throttle valve core 20
Come isolate choke valve work caused by airflow noise, so as to reduce choke valve work caused by noise, reduce to surrounding
The influence of environment；Also, supercooling chamber 35 is formed between the hush pipe 30 and throttle pipe 10, for the refrigerant that circulates, further every
From noise；Further, since the refrigerant evaporation that the valve element 20 of choke valve in reducing pressure by regulating flow, can make to flow through absorbs heat so that supercooling
Refrigerant in chamber 35 is once subcooled again, improves refrigeration.
Further, the relative position distance between the tube wall of the hush pipe 30 and the tube wall of the throttle pipe 10 is L,
And 15 millimeters≤L≤40 millimeter.Understand that the design size is satisfied with most in common refrigeration plant by substantial amounts of experiment
Pipeline conventional design, in the present embodiment, it is ensured that the coolant quantity flowed through in the unit interval and the flow base in other refrigerant pipes
This is consistent, to ensure that the cold medium flux in each pipeline is uniform.
When further, in order to ensure that refrigerant flows through supercooling chamber 35, wall contacts with throttle pipe 10 as far as possible, with
Heat exchange area is improved, the refrigerant import 301 of the hush pipe 30 is located at the hush pipe 30 and the liquid outlet of the throttle pipe 10
102 identical one end, the refrigerant exit 302 of the hush pipe 30 is located at the hush pipe 30 and the inlet of the throttle pipe 10
101 identical one end.
Further, reference picture 1, in order to reduce technique and production cost, choke valve also included described in the present embodiment
Filter 50, the filter 50 is between the inlet 101 and valve element 20 of the throttle pipe 10.Those skilled in the art are known
, in existing refrigeration system, filter 50 is individually on connecting line, and need to set filtering chamber to dispose filtering
Device 50, so, set the technique of filtering chamber essential, and in the present embodiment, using the space of throttle pipe 10, by filter
50 are set with inside throttle pipe 10, entering without setting the technique of filtering chamber, while also reduce running cost, improve work effect
Rate.
Further, reference picture 1, the choke valve also include connecting tube 40, and one end of the connecting tube 40 disappears with described
The refrigerant exit 302 of sound tube 30 connects, and the other end of the connecting tube 40 connects with the inlet 101 of the throttle pipe 10.Should
When understanding, the inner chamber of the connecting tube 40 connects with supercooling chamber 35, can extend the passage of sound dispersion, further to improve
Erasure effect, and can also effectively weaken the flow velocity that refrigerant flows to throttle pipe 10, by low refrigerant pressure.
It is understood that connecting tube 40 can be arbitrary shape, it is not limited thereto, for example, the connecting tube is in arc
Shape is set, or 40 serpentine-like setting of the connecting tube.
Further, when the 40 curved setting of connecting tube, the radian of the connecting tube 40 is α, and 90 °≤α≤
160°.Such radian sets the normal flow that can have both ensured refrigerant, can ensure that refrigerant stops in supercooling chamber 35 again
Time, improve supercooling effect.
The present invention also provides a kind of refrigeration plant, and with reference to Fig. 1 and Fig. 2, in one embodiment, the refrigeration plant includes above-mentioned
Choke valve 400；The detailed construction of the choke valve 400 can refer to above-described embodiment, and here is omitted；
Also, the refrigeration plant also includes compressor 100, four-way valve 200, condenser 300 and evaporator 500, described
The exhaust outlet of compressor 100 connects with the first end a1 of the four-way valve 200, the second end a2 of the four-way valve 200 with it is described
The entrance point connection of condenser 300, the port of export of the condenser 300 connect with the entrance point of the choke valve 400, the section
The port of export of stream valve 400 is connected with the entrance point of the evaporator 500, the port of export and the four-way valve of the evaporator 500
200 the 3rd end a3 connections, the 4th end a4 of the four-way valve 200 connect with the gas returning port of the compressor 100.
It should be noted that during the equipment refrigerating operaton, the first end a1 of four-way valve 200 connects with the second end a2, the 3rd
End a3 connects with the 4th end a4；Wherein, the entrance point of choke valve 400 be the hush pipe 30 refrigerant inlet 301, choke valve
400 port of export is the liquid outlet 102 of the throttle pipe 10.
When cooling, the high pressure gaseous refrigerant come out from the exhaust outlet of compressor 100 passes through along the direction of arrow shown in Fig. 2
Cross four-way valve 200 and flow to condenser 300, become the liquid refrigerants of medium temperature high pressure after the condensation of condenser 300, so
Enter the supercooling chamber 35 of the choke valve 400 from the refrigerant inlet 301 of hush pipe 30 afterwards, then flowed out from refrigerant exit 302, through even
Adapter 40 enters throttle pipe 10, and flows to valve element 20 after the filtering of filter screen 50, in this reducing pressure by regulating flow, by the liquid of medium temperature high pressure
State refrigerant becomes the gas-liquid two-phase state refrigerant of low-temp low-pressure.In the process, a part of liquid refrigerants evaporation absorbs throttle pipe
Substantial amounts of heat around 10, and become gaseous coolant, therefore so that the medium temperature high-pressure liquid refrigerant entered in supercooling chamber 35
Once it is subcooled again, ensure that supercooling is abundant, improve refrigeration.Finally, flowed out from the liquid outlet 102 of throttle pipe 10
After the gas-liquid two-phase state refrigerant inflow evaporator 500 of the low-temp low-pressure come is evaporated, it is changed into gaseous coolant further through four-way
Valve 200 flows back to compressor 100, forms circulation.
It is understood that due to having used above-mentioned choke valve 400, therefore, reduce choke valve 400 in refrigeration plant
Noise caused by work, reduce the influence to surrounding environment；Also, because the valve element 20 of choke valve 400 is in reducing pressure by regulating flow
When, the refrigerant evaporation that can make to flow through is absorbed heat so that the refrigerant in supercooling chamber 35 is once subcooled again, improves refrigeration effect
Fruit.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of choke valve, the choke valve includes carrying the throttle pipe of inlet and liquid outlet and in the throttle pipe
Valve element, it is characterised in that the choke valve is also wrapped in the hush pipe on the outside of the throttle pipe, the refrigerant of the hush pipe
Outlet is connected with the inlet of the throttle pipe, and supercooling chamber is formed between the hush pipe and the throttle pipe, so as to flow into
The refrigerant of the supercooling chamber by the refrigerant of the throttle pipe with being subcooled；
The choke valve also includes connecting tube, and one end of the connecting tube connects with the refrigerant exit of the hush pipe, the company
The other end of adapter connects with the inlet of the throttle pipe.
2. choke valve as claimed in claim 1, it is characterised in that the tube wall of the tube wall of the hush pipe and the throttle pipe it
Between relative position distance be L, and 15 millimeters≤L≤40 millimeter.
3. choke valve as claimed in claim 1, it is characterised in that the refrigerant import of the hush pipe located at the hush pipe with
Liquid outlet identical one end of the throttle pipe, the refrigerant exit of the hush pipe is located at the hush pipe and the throttle pipe
Inlet identical one end.
4. choke valve as claimed in claim 1, it is characterised in that the choke valve also includes filter, and the filter is set
Between the inlet and valve element of the throttle pipe.
5. choke valve as claimed in claim 1, it is characterised in that the curved setting of connecting tube.
6. choke valve as claimed in claim 5, it is characterised in that the radian of the connecting tube is α, and 90 °≤α≤160 °.
7. choke valve as claimed in claim 1, it is characterised in that the serpentine-like setting of connecting tube.
8. a kind of refrigeration plant, it is characterised in that the refrigeration plant includes the throttling as described in claim any one of 1-7
Valve.
9. refrigeration plant as claimed in claim 8, it is characterised in that the refrigeration plant also includes compressor, condenser, steaming
Hair device and four-way valve, the exhaust outlet of the compressor connected with the first end of the four-way valve, the second end of the four-way valve and
The entrance point connection of the condenser, the port of export of the condenser connect with the entrance point of the choke valve, the choke valve
The port of export connected with the entrance point of the evaporator, the port of export of the evaporator connects with the 3rd end of the four-way valve,
4th end of the four-way valve connects with the gas returning port of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380829.9A CN105318615B (en) | 2014-08-05 | 2014-08-05 | Choke valve and refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380829.9A CN105318615B (en) | 2014-08-05 | 2014-08-05 | Choke valve and refrigeration plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105318615A CN105318615A (en) | 2016-02-10 |
| CN105318615B true CN105318615B (en) | 2018-03-09 |
Family
ID=55246549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410380829.9A Active CN105318615B (en) | 2014-08-05 | 2014-08-05 | Choke valve and refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105318615B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19506904A1 (en) * | 1995-02-28 | 1996-08-29 | Schmoele Gmbh Km | Refrigerant evaporator |
| EP1782000A1 (en) * | 2004-07-09 | 2007-05-09 | Junjie Gu | Refrigeration system |
| CN201488412U (en) * | 2009-09-22 | 2010-05-26 | 苏州恒兆空调节能科技有限公司 | Throttling silencer |
| CN202562146U (en) * | 2012-02-02 | 2012-11-28 | 浙江盾安机械有限公司 | Throttle valve |
| CN204084971U (en) * | 2014-08-05 | 2015-01-07 | 美的集团武汉制冷设备有限公司 | Choke valve and refrigeration plant |
-
2014
- 2014-08-05 CN CN201410380829.9A patent/CN105318615B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19506904A1 (en) * | 1995-02-28 | 1996-08-29 | Schmoele Gmbh Km | Refrigerant evaporator |
| EP1782000A1 (en) * | 2004-07-09 | 2007-05-09 | Junjie Gu | Refrigeration system |
| CN201488412U (en) * | 2009-09-22 | 2010-05-26 | 苏州恒兆空调节能科技有限公司 | Throttling silencer |
| CN202562146U (en) * | 2012-02-02 | 2012-11-28 | 浙江盾安机械有限公司 | Throttle valve |
| CN204084971U (en) * | 2014-08-05 | 2015-01-07 | 美的集团武汉制冷设备有限公司 | Choke valve and refrigeration plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105318615A (en) | 2016-02-10 |
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