CN206682413U - Bidirectional throttling device and refrigerating system with same - Google Patents
Bidirectional throttling device and refrigerating system with same Download PDFInfo
- Publication number
- CN206682413U CN206682413U CN201720436846.9U CN201720436846U CN206682413U CN 206682413 U CN206682413 U CN 206682413U CN 201720436846 U CN201720436846 U CN 201720436846U CN 206682413 U CN206682413 U CN 206682413U
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- Prior art keywords
- cavity
- valve element
- fluid
- noise elimination
- throttling device
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- 230000002457 bidirectional effect Effects 0.000 title claims description 33
- 230000008030 elimination Effects 0.000 claims abstract description 49
- 238000003379 elimination reaction Methods 0.000 claims abstract description 49
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000030279 gene silencing Effects 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000002826 coolant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Air-Conditioning For Vehicles (AREA)
- Pipe Accessories (AREA)
Abstract
The utility model relates to a refrigeration technology field especially relates to a two-way throttling arrangement, include: the first valve core cavity is communicated with the second valve core cavity; the first spool cavity is used for throttling of fluid flowing in a first direction; the second spool chamber for throttling of fluid flow in a second direction, the second direction being opposite to the first direction; and a silencing cavity is connected to the throttling fluid outflow side of the first valve core cavity and/or the throttling fluid outflow side of the second valve core cavity and is used for eliminating the noise of the throttled fluid. This two-way throttling arrangement sets up the noise elimination cavity through the outlet side at the case cavity for the liquid flow sound when eliminating the case throttle, consequently can effectively reduce the fluidic noise after the throttle, noise when reducing the air conditioner operation improves the air conditioner sound quality, improves the product travelling comfort. The utility model also provides a refrigerating system.
Description
Technical field
Refrigeration technology field is the utility model is related to, more particularly to a kind of bidirectional throttling device and there is its refrigeration system
System.
Background technology
Currently used throttling spool device, its substantially by the valve element cavity of left and right two, the screen pack of left and right ends and
Copper pipe of connection etc. is formed, and is throttled respectively by two valve elements in left and right spool chamber body during cooling and warming.Current valve element section
It is good to flow device restriction effect, but is undergone phase transition in throttling because refrigerant pressure drastically changes, and the runner in throttling spool
Cross section drastically reduces, and inevitably produces high frequency liquid stream sound, causes noise from air conditioner big, had a strong impact on air-conditioning products
Sound quality, reduce comfortableness.
Utility model content
Based on this, it is necessary to the problem of being also easy to produce noise for traditional throttling arrangement, there is provided after one kind can be to throttling
Fluid carry out the bidirectional throttling device of noise reduction, while additionally provide a kind of refrigeration system for including the bidirectional throttling device.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of bidirectional throttling device, including：First valve element cavity and the second valve element cavity, the first valve element cavity and the second valve
Core cavity body connects；
First valve element cavity is used for the throttling of the fluid flowed in the first direction；Second valve element cavity is used in a second direction
The throttling of the fluid of flowing, second direction are opposite with first direction；
The fluid outflow side of first valve element cavity and/or the fluid outflow side of the second valve element cavity are connected with noise elimination cavity,
Noise elimination cavity is used for the noise for eliminating the fluid after throttling.
In one of the embodiments, noise elimination cavity includes expanded tubular section and transitional pipe segment, transitional pipe segment and expanded tubular section
Connection；Expanded tubular section is connected by transitional pipe segment with the first valve element cavity and/or the second valve element cavity；
The cross-sectional area of expanded tubular section is more than the cross-sectional area of transitional pipe segment.
In one of the embodiments, expanded tubular section is in straight-tube shape, and transitional pipe segment is also in straight-tube shape.
In one of the embodiments, expanded tubular section is connected by a connection pipeline section with transitional pipe segment, connects pipeline section
Cross-sectional area is gradually reduced by the direction of expanded tubular section to transitional pipe segment.
In one of the embodiments, pipeline section is connected in round table-like.
In one of the embodiments, for expanded tubular section in sphere shape, transitional pipe segment is in straight-tube shape.
In one of the embodiments, it is filled with deadener in noise elimination cavity body.
In one of the embodiments, filter assemblies are provided with noise elimination cavity body, filter assemblies are used to filter in fluid
Impurity.
In one of the embodiments, filter assemblies include screen pack, and screen pack is along perpendicular to the axial of noise elimination cavity
Direction is arranged in noise elimination cavity body.
A kind of refrigeration system, it includes the bidirectional throttling device described in as above any one.
Above-mentioned bidirectional throttling device, noise elimination cavity is set by the outlet side in valve element cavity, for eliminating throttling spool
When liquid stream sound, therefore can effectively reduce throttling after fluid noise, reduce operation of air conditioner when noise, improve air-conditioning sound
Quality, improve product comfort.
Because bidirectional throttling device has above-mentioned technique effect, the refrigeration system for including the bidirectional throttling device also has
Corresponding technique effect.
Brief description of the drawings
Fig. 1 is the front view for the bidirectional throttling device that the utility model embodiment provides；
Fig. 2 is the sectional view for the bidirectional throttling device that the utility model embodiment provides.
Wherein：
100- the first valve element cavitys；
The chamber inlets of 110- first；The cavity outlets of 120- first；
200- the second valve element cavitys；
The chamber inlets of 210- second；The cavity outlets of 220- second；
300- noise elimination cavitys；
310- expanded tubular sections；320- transitional pipe segments；330- connection pipeline sections；
340- filter assemblies；
400- connection cavities.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, by the following examples, and tie
Accompanying drawing is closed, is further elaborated to bidirectional throttling device of the present utility model and with its refrigeration system.It should manage
Solution, specific embodiment described herein only to explain the utility model, are not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Bidirectional throttling device of the present utility model, available for being used in the coolant circulating systems such as air conditioner, can effectively it reduce
The noise of pipeline, improve comfort.
As depicted in figs. 1 and 2, the bidirectional throttling device that the embodiment of the utility model one provides, including the first valve element cavity
100 and the second valve element cavity 200, the first valve element cavity 100 connected with the second valve element cavity 200；
First valve element cavity 100 is used for the throttling of the fluid flowed in the first direction；Second valve element cavity 200 is used for along the
The throttling of the fluid of two directions flowing, second direction are opposite with first direction；
The fluid outflow side of first valve element cavity 100 and/or the fluid outflow side of the second valve element cavity 200 are connected with noise elimination
Cavity 300, noise elimination cavity 300 are used for the noise for eliminating the fluid after throttling.
Wherein, the first valve element cavity 100 has the first chamber inlet 110 and the first cavity outlet 120, and the first spool chamber
The first core assembly is provided with body 100, the fluid entered from the first chamber inlet 110 is in the first direction to the first cavity outlet
During 120 outflows, throttled by the first core assembly.Second valve element cavity 200 has the He of the second chamber inlet 210
Second cavity outlet 220, and the second core assembly is provided with the second valve element cavity 200, entered by the second chamber inlet 210
During fluid flows out to the second cavity outlet 220 in a second direction, throttled by the second core assembly, first direction
With second direction on the contrary, it is thus achieved that the throttling of the fluid of two-way flow.
Undergone phase transition during throttling because Fluid pressure drastically changes, and flow channel cross-section drastically reduces in throttling, can not
The meeting avoided produces high frequency liquid stream sound, noise elimination cavity 300 is connected by the fluid outflow side after throttling, after eliminating throttling
Fluid noise, can effectively reduce noise and even completely eliminate high frequency liquid stream sound.Noise elimination cavity 300 may be provided at the first valve
Fluid outflow side (at the first cavity outlet 120) after the throttling of core cavity body 100, may also be arranged on the second valve element cavity 200 and throttles
Fluid outflow side (at the second cavity outlet 220) afterwards, can also be respectively provided with noise elimination cavity 300 in foregoing both sides, specifically can root
Selected according to the application environment of the bidirectional throttling device, such as when the bidirectional throttling device is supplied to single cold air-conditioner set to use
When, only it need to design the noise elimination cavity 300 in coolant throttle outflow side, opposite side need not then eliminate the noise cavity 300.
Wherein, noise elimination cavity 300 can realize noise elimination in several ways, as a kind of embodiment, noise elimination cavity
300 include expanded tubular section 310 and transitional pipe segment 320, and transitional pipe segment 320 connects with expanded tubular section 310；Expanded tubular section 310 passes through
Transitional pipe segment 320 connects with the first valve element cavity 100 and/or the second valve element cavity 200；
The cross-sectional area of expanded tubular section 310 is more than the cross-sectional area of transitional pipe segment 320.
Wherein, expanded tubular section 310 is not limited to one section, and in the case where device length allows, noise elimination cavity 300 may include have
Multistage expanded tubular section 310, it can also be connected with transitional pipe segment 320 between adjacent expanded tubular section 310, i.e. expanded tubular section 310 and mistake
The interleaved series of pipeline section 320 are crossed to form.Further, remote first valve element cavity 100, the second valve element cavity of expanded tubular section 310
200 one end may also set up above-mentioned transitional pipe segment 320, for being connected with air-conditioning duct.
Caused the noise elimination of noise theoretical according to stream, it is known that the noise elimination cavity 300 that high-velocity fluid suddenly changes by section, along chamber
Phenomena such as reflection, interference, occurs in the interface of mutation for some frequency sound waves of body pipe transmmision, so as to reach noise elimination purpose.
In the embodiment, the effect of noise elimination is relevant with the length and cross-sectional area of the expanded tubular section 310 of noise elimination cavity 300, and its length is got over
Long, the frequency for the sound that can be eliminated is wider, and soundproof effect is better；Its cross-sectional area is bigger, and soundproof effect is also better.It is in addition, swollen
The noise elimination that the ratio of the cross-sectional area of tube expansion section 310 and the cross-sectional area of transitional pipe segment 320 also contributes to noise elimination cavity 300 is imitated
Fruit.
Further, expanded tubular section 310 is in straight-tube shape, and transitional pipe segment 320 is also in straight-tube shape.Expanded tubular section 310 can be straight
Connect and be connected with transitional pipe segment 320, can be also connected by a connection pipeline section 330 with transitional pipe segment 320, connect the horizontal stroke of pipeline section 330
Sectional area is gradually reduced by the direction of expanded tubular section 310 to transitional pipe segment 320.So, it is not only convenient for the circulation of fluid, moreover it is possible to prolong
Long fluid further optimizes soundproof effect by the path at the abrupt interface of noise elimination cavity 300.Certainly, in other embodiments,
Expanded tubular section 310 can be in sphere shape, and transitional pipe segment 320 is in straight-tube shape, expanded tubular section 310 can directly with transitional pipe segment 320
Connection, it can be also connected by a connection pipeline section 330 with transitional pipe segment 320, it is the same with aforementioned structure.
Wherein, it can be in round table-like to connect pipeline section 330, i.e., it is inclination along expanded tubular section 310 to the section of transitional pipe segment 320
Plane.Certainly, in other implementations, connection pipeline section 330 can also be along expanded tubular section 310 to the section of transitional pipe segment 320
Arcwall face, the arcwall face can be the cancave cambered surface or convex globoidal of the axis towards noise elimination cavity 300.
In other embodiments, noise elimination cavity 300 can be by setting silencing cotton etc. to have the material of noise elimination effect in cavity
Expect to reach the purpose of noise elimination, and noise elimination cavity 300 can be designed to the structure type with expanded tubular section simultaneously.
When bidirectional throttling device is specifically used, to prevent the impurity in fluid to the first core assembly and the second core assembly
Normal work have an impact, can noise elimination cavity 300 set filter assemblies 340, such as screen pack etc., to filter in fluid
Impurity, screen pack can be arranged in noise elimination cavity 300 along perpendicular to the axially direction of noise elimination cavity 300, so, when being used in
When in the operating mode of bidirectional throttle, the first cavity outlet 120 and the second cavity outlet 220 can connect noise elimination cavity 300, and eliminate the noise
Screen pack is set simultaneously in cavity 300 so that noise elimination cavity 300 has the effect eliminated the noise, filter one.
The structure type of core assembly can have a variety of, and as a kind of enforceable mode, the first core assembly includes the
One valve seat and the first valve element, the first valve base sealing are fixed in the first valve element cavity 100；
The first valve opening is provided with first valve seat, the first valve opening is communicated with the first slideway；First valve element is mounted slidably
In in the first slideway, and the first valve element is provided with the axially extending first segment discharge orifice along the first valve element cavity 100.Similarly,
Second core assembly includes the second valve seat and the second valve element, and the second valve base sealing is fixed in the second valve element cavity 200；
The second valve opening is provided with second valve seat, the second valve opening is communicated with the second slideway；Second valve element is mounted slidably
In in the second slideway, and the second valve element is provided with the second axially extending throttle orifice along the second valve element cavity 200.
It is appreciated that throttling direction (first direction) and the section of the second valve element cavity 200 due to the first valve element cavity 100
It is opposite to flow direction (second direction), that is to say, that two check valves of the first valve element and the second valve element equivalent to opposed
Core.Specifically, the first core assembly is used for the throttling of the fluid flowed in the first direction, and as the first valve element is in the first slideway
Inside slide in the first direction, the first valve element blocks the first valve opening, and fluid can only be flowed out by first segment discharge orifice, be realized along first party
The process of throttling to the fluid of flowing；Second core assembly is used for the throttling of fluid flowed in a second direction, and as second
Valve element slides in a second direction in being slided second, and the second valve element blocks the second valve opening, and fluid can only pass through the second throttle orifice stream
Go out, realize the process of the throttling of the fluid flowed in a second direction.Certainly, core assembly can also be other structures form, only
Being all contained in the scope of protection of the utility model for throttling purpose can be realized.
Further, the first valve element cavity 100 can be connected by connection cavity 400 with the second valve element cavity 200, the first valve
Core cavity body 100, the valve element cavity 200 of connection cavity 400 and second can be sequentially connected in series by screw thread, the first valve element cavity 100,
The valve element cavity 200 of connection cavity 400 and second collectively forms the valve pocket for flow restriction.
The limit assembly for limiting the first valve element or the second valve element skidding distance, example are may be provided with connection cavity 400
Such as spacing collar, spacing collar is sealingly fastened in connection cavity 400, and the circulation for fluid circulation is provided with the center of spacing collar
Hole.
Referring to Fig. 2, the middle operation principle of the bidirectional throttling device in refrigeration systems is substantially：
When refrigerant by bidirectional throttling device A ends enter, that is, be introduced into left side noise elimination cavity 300, after strainer filtering
Refrigerant fluid enter the second valve element cavity 200, push the second valve element to spacing collar until be blocked, now the second valve element is opened
Second valve opening, refrigerant enters the first valve element cavity 100 through the second valve opening, opening, and promotes the first valve element to block the first valve opening,
So as to force refrigerant to be flowed through out of first segment discharge orifice, now only first segment discharge orifice plays throttling action, and the second throttle orifice does not play section
Stream acts on, and the refrigerant after throttling enters the noise elimination cavity 300 on right side, and high-frequency air flow sound can be disappeared caused by coolant throttle
Remove.Corresponding throttling purpose can be realized by selecting the first segment discharge orifice of different pore size or length.That is, first segment discharge orifice forms double
To the first direction throttling passage of throttling arrangement.
When refrigerant by bidirectional throttling device B ends enter, that is, be introduced into right side noise elimination cavity 300, after strainer filtering
Refrigerant fluid enter the first valve element cavity 100, push the first valve element to spacing collar until be blocked, now the first valve element is opened
First valve opening, refrigerant enters the second valve element cavity 200 through the first valve opening, opening, and promotes the second valve element to block the second valve opening,
So as to force refrigerant to be flowed through out of second throttle orifice, now only the second throttle orifice plays throttling action, and first segment discharge orifice does not play section
Stream acts on, and the refrigerant after throttling enters the noise elimination cavity 300 in left side, and high-frequency air flow sound can be disappeared caused by coolant throttle
Remove.By selecting the second throttle orifice of different pore size or length, corresponding throttling purpose is realized.That is, the second throttle orifice forms two-way
The second direction throttling passage of throttling arrangement.
During concrete application, the side a and b of bidirectional throttling device, which can be connected through a screw thread to be formed with refrigeration system pipeline, to be connected
Connect.
The embodiment of the utility model one additionally provides a kind of refrigeration system, and it uses two-way described in as above any embodiment
Throttling arrangement, so as to effectively reduce system pipeline noise, lift quality.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. bidirectional throttling device, it is characterised in that including：First valve element cavity (100) and the second valve element cavity (200), The first valve element cavity (100) connects with the second valve element cavity (200)；The first valve element cavity (100) is used for the throttling of the fluid flowed in the first direction；The second valve element cavity (200) It is opposite to the first direction for the throttling of the fluid flowed in a second direction, the second direction；The fluid outflow side of the first valve element cavity (100) and/or the fluid outflow side of the second valve element cavity (200) connect Noise elimination cavity (300) is connected to, the noise elimination cavity (300) is used for the noise for eliminating the fluid after throttling.
- 2. bidirectional throttling device according to claim 1, it is characterised in that the noise elimination cavity (300) includes expansion tube Section (310) and transitional pipe segment (320), the transitional pipe segment (320) connect with the expanded tubular section (310)；The expanded tubular section (310) by the transitional pipe segment (320) and the first valve element cavity (100) and/or the second valve element cavity (200) even It is logical；The cross-sectional area of the expanded tubular section (310) is more than the cross-sectional area of the transitional pipe segment (320).
- 3. bidirectional throttling device according to claim 2, it is characterised in that the expanded tubular section (310) is in straight-tube shape, institute It is also in straight-tube shape to state transitional pipe segment (320).
- 4. bidirectional throttling device according to claim 3, it is characterised in that the expanded tubular section (310) passes through a company Nozzle belt (330) connects with the transitional pipe segment (320), and the cross-sectional area of the connection pipeline section (330) is by the expanded tubular section (310) it is gradually reduced to the direction of the transitional pipe segment (320).
- 5. bidirectional throttling device according to claim 4, it is characterised in that the connection pipeline section (330) is in round table-like.
- 6. bidirectional throttling device according to claim 2, it is characterised in that the expanded tubular section (310) is in sphere shape, institute It is in straight-tube shape to state transitional pipe segment (320).
- 7. bidirectional throttling device according to claim 1, it is characterised in that be filled with and disappear in the noise elimination cavity (300) Sound material.
- 8. according to the bidirectional throttling device described in claim any one of 1-7, it is characterised in that in the noise elimination cavity (300) Filter assemblies (340) are provided with, the filter assemblies (340) are used to filter the impurity in fluid.
- 9. bidirectional throttling device according to claim 8, it is characterised in that the filter assemblies (340) include screen pack, The screen pack is arranged in the noise elimination cavity (300) along perpendicular to the axially direction of the noise elimination cavity (300).
- 10. a kind of refrigeration system, it is characterised in that including the bidirectional throttling device as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436846.9U CN206682413U (en) | 2017-04-24 | 2017-04-24 | Bidirectional throttling device and refrigerating system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436846.9U CN206682413U (en) | 2017-04-24 | 2017-04-24 | Bidirectional throttling device and refrigerating system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682413U true CN206682413U (en) | 2017-11-28 |
Family
ID=60403127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720436846.9U Expired - Fee Related CN206682413U (en) | 2017-04-24 | 2017-04-24 | Bidirectional throttling device and refrigerating system with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206682413U (en) |
-
2017
- 2017-04-24 CN CN201720436846.9U patent/CN206682413U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171128 |