CN109595855A - A kind of the noise reduction connector and refrigerating plant of capillary and evaporator - Google Patents
A kind of the noise reduction connector and refrigerating plant of capillary and evaporator Download PDFInfo
- Publication number
- CN109595855A CN109595855A CN201710919218.0A CN201710919218A CN109595855A CN 109595855 A CN109595855 A CN 109595855A CN 201710919218 A CN201710919218 A CN 201710919218A CN 109595855 A CN109595855 A CN 109595855A
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- China
- Prior art keywords
- noise reduction
- evaporator
- connecting tube
- capillary
- noise
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses the noise reduction connectors and refrigerating plant of a kind of capillary and evaporator, belong to refrigerating plant field.Noise reduction connector includes connecting tube, fills porous material in connecting tube.By filling porous material in the pipeline of connecting tube, refrigerant can be buffered to the impact force of tube wall, reduce the structural vibration noise of pipeline；Bubble can also be broken up, the generation of air pocket is prevented, reduces bubble collapse sound；The various noises of generation can be absorbed as sound-absorbing material in porous material.I.e. the noise reduction connector of the embodiment of the present invention carries out noise reduction process in face of refrigerant noise from the pipeline vibration noise, bubble collapse sound, jet noise tripartite of eruption noise, plays good effect of vibration and noise reduction.Refrigerating plant including the noise reduction connector effectively reduces refrigerant noise, improves sound quality, improves user experience.
Description
Technical field
The present invention relates to technical field of refrigerating devices, in particular to the noise reduction connector and system of a kind of capillary and evaporator
Device for cooling.
Background technique
For refrigeration system, refrigerant continuous generating state variation in refrigeration system pipeline, in condenser, evaporation
Flowing inside device is two phase flow, and the flowing in capillary is with regard to increasingly complex.In the input end of capillary, generally it is subcooled
Liquid single-phase flow, then enter two-phase flow state, at capillary outlet end, the flow velocity of gaseous refrigerant is also possible to reach
The local velocity of sound, and there are certain current differences for the flow velocity of the flow velocity of the refrigerant liquid of outlet end and gaseous refrigerant, in this way
Exactly so-called " being jammed " state of state.The non-uniform mixture of gas-liquid at capillary outlet end is with regard to the biggish hair of injection
Tubule outlet injection noise and flowing instability phenomenon, this unstable flow regime are conducted by refrigerant medium to pipe
Wall is transmitted to refrigerator body further along pipeline, then is emitted to external environment by shell, and here it is capillaries distinctive in refrigeration system
Export the root of injection noise.Summarize refrigerant noise: 1, bubble collapse sound caused by abrupt pressure reduction；2, refrigerant flow at high speed
Generate eruption noise；3, pipeline vibration generates noise.
For the mechanism of production of refrigerant noise in above-mentioned refrigeration system, capillary outlet end and evaporator inlet are surrounded
Connecting line between end has carried out a series of optimization design, and general thought is to go out from the caliber change angle of connecting tube
Hair, to alleviate eruption noise etc. caused by pressure jump caused by pipeline is mutated, e.g., connecting tube uses reducer pipe or flaring
Pipe, plays certain Noise Reduction.But the tube wall solid structure that refrigerant high speed impact tube wall generates at capillary outlet
Sound is unable to improve, and can not completely eliminate the refrigerant noise at capillary outlet.
Summary of the invention
The embodiment of the invention provides the noise reduction connectors and refrigerating plant of a kind of capillary and evaporator.In order to disclosure
The some aspects of embodiment have a basic understanding, simple summary is shown below.The summarized section is not generally to comment
It states, nor to determine key/critical component or describe the protection scope of these embodiments.Its sole purpose is with simple
Form some concepts are presented, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, the noise reduction connector of a kind of capillary and evaporator is provided, including
Connecting tube, the connecting tube is interior to fill porous material.
The embodiment of the present invention can buffer refrigerant and rush to tube wall by filling porous material in the pipeline of connecting tube
Power is hit, the structural vibration noise of pipeline is reduced；Bubble can also be broken up, the generation of air pocket is prevented, reduces bubble collapse sound；It is more
The various noises of generation can be absorbed as sound-absorbing material in Porous materials.That is the noise reduction connector of the embodiment of the present invention is made an uproar from eruption
The pipeline vibration noise of sound, bubble collapse sound, jet noise tripartite face refrigerant noise and carry out noise reduction process, play well
Effect of vibration and noise reduction.
In a kind of optional embodiment, the porous material uses hydrophobic porous material.
In a kind of optional embodiment, the hydrophobic porous material uses porous metal material.
In a kind of optional embodiment, the porous material is the Multi-hole section with hollow channel, and the Multi-hole section is suitable
With being arranged in the pipeline of the connecting tube；The two-port of the hollow channel of the Multi-hole section respectively with the outlet end of capillary
It is connected to the arrival end of evaporator.
In a kind of optional embodiment, the hollow channel of the Multi-hole section be straight pipeline form, tapered pipeline form or
Person's flaring tube shaped.
In a kind of optional embodiment, the arrival end of the internal diameter and evaporator of the port of the outlet end of the connecting tube it is outer
Diameter is adapted, on the outer wall of the external arrival end in the evaporator in the port of the outlet end of the connecting tube.
It further include limit stop ring, the outlet of the connecting tube is arranged in the limit stop ring in a kind of optional embodiment
On the end face at end.
In a kind of optional embodiment, the connecting tube is reducer pipe, diffuser or straight tube.
In a kind of optional embodiment, when the connecting tube is straight tube, the internal diameter of the straight tube is greater than the outlet of capillary
The outer diameter at end, the outer diameter less than or equal to evaporator inlet end, a port closing of the straight tube, open up on the closed end with
The mounting hole of the major diameter fit of the outlet end of capillary；Another port is opening, is connect for the arrival end with steam pipe.
In a kind of optional embodiment, the porosity of the porous material is equal to or more than 90%.
According to a second aspect of the embodiments of the present invention, a kind of refrigerating plant, including noise reduction connector above-mentioned are provided, it is described
The two-port of the connecting tube of noise reduction connector is connect with the arrival end of the outlet side of capillary and evaporator respectively.
The refrigerating plant of the embodiment of the present invention does not increase additional sound absorber, ensure that structure property compact to design
Under the premise of, vibration and noise reducing effectively reduces refrigerant noise, improves sound quality, improves user experience.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 2 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 3 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 4 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 5 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 6 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 7 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 8 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Fig. 9 is a kind of structural schematic diagram of noise reduction connector shown according to an exemplary embodiment；
Description of symbols: 10, connecting tube；101, input end；102, outlet end；11, at the right angle variable diameter of reducer pipe；
12, smooth transition pipe；13, limit stop ring；20, porous material；21, Multi-hole section；211, hollow channel；30, capillary；40,
Evaporator.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and
And the sequence of operation can change.The part of some embodiments and feature can be included in or replace other embodiments
Part and feature.The range of embodiment of the present invention includes the entire scope of claims and the institute of claims
There is obtainable equivalent.Herein, each embodiment can individually or generally be indicated that this is only with term " invention "
It is merely for convenience, and if in fact disclosing the invention more than one, it is not meant to automatically limit the range of the application
For any single invention or inventive concept.Herein, relational terms such as first and second and the like are used only for one
Entity, which is perhaps operated, to be distinguished and exists without requiring or implying between these entities or operation with another entity or operation
Any actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method or equipment not only include those elements, but also including
Other elements that are not explicitly listed.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For structure, product etc. disclosed in example, since it is corresponding with part disclosed in embodiment, so being described relatively simple, phase
Place is closed referring to method part illustration.
In conjunction with shown in Fig. 1 to Fig. 9, illustrate the embodiment of the present invention in a first aspect, provide a kind of capillary and evaporator
Noise reduction connector, including connecting tube 10 fills porous material 20 in the pipeline of the connecting tube 10.
The embodiment of the present invention can buffer refrigerant to tube wall by filling porous material 20 in the pipeline of connecting tube 10
Impact force, reduce the structural vibration noise of pipeline；Bubble can also be broken up, the generation of air pocket is prevented, reduces bubble collapse
Sound；The various noises of generation can be absorbed as sound-absorbing material in porous material.That is the noise reduction connector of the embodiment of the present invention is from spray
The pipeline vibration noise, bubble collapse sound, jet noise tripartite for sending out noise carry out noise reduction process in face of refrigerant noise, play very
Good effect of vibration and noise reduction.
In the present embodiment, the porous material 20 can use molding porous material, can also use using winding, squeeze
The material with porous property that the means such as pressure obtain, e.g., the porous material that fiber filament winding is obtained.Guarantee porous material
With certain porosity, enable the refrigerant ejected by the outlet of capillary by entering evaporator, Yi Zhongke
In the embodiment of choosing, the porosity for controlling the porous material 20 is equal to or more than 90%.
In an alternative embodiment, the porous material 20 uses hydrophobic porous material, guarantees refrigerant to more
The sound absorbing performance of Porous materials does not have an impact, and guarantees the sqouynd absorption lowering noise performance of porous material.Specifically, the hydrophobic porous material
Material uses porous metal material, e.g., porous-metal nickel (nickel foam), porous metals aluminium (foamed aluminium) etc..
The pipeline of connecting tube 10 can be stuffed entirely with by the porous material 20, can not also be stuffed entirely with, a kind of optional
Embodiment in, the porous material 20 be the Multi-hole section 21 with hollow channel 211, the Multi-hole section 21 adaptation setting exists
In the pipeline of the connecting tube 10；The two-port outlet with capillary 30 respectively of 21 hollow channels 211 of the Multi-hole section
End is connected to the arrival end of evaporator 40.In a kind of specific embodiment, the shape of the Multi-hole section 21 and connecting tube 10
The shape of inner wall is consistent, and the Multi-hole section 21 is nested in the pipeline of the connecting tube 10, the hollow pipeline of Multi-hole section 21
211 channel as refrigerant.Wherein, the hollow channel 211 of the Multi-hole section 21 can be straight pipeline form (such as Fig. 6 institute
Show), tapered pipeline form (as shown in Figure 7) or flaring tube shaped (as shown in Figure 8) etc., be also not necessarily limited to above-mentioned three enumerated
Kind of tube shaped, other tube shapeds can also be with.Wherein, when hollow channel 211 is using tapered pipeline form, in energy above-mentioned
While enough reducing pipeline vibration noise, bubble collapse sound, three aspect noise of jet noise, preferably refrigerant can be made to slow down
To more reduce jet noise.
In the embodiment of the present invention, Fig. 7 is connecting tube 10 in the form of straight tube into Fig. 9 as implementing to exemplify, but
It is to be not limited to using the connecting tube 10 of the embodiment of Multi-hole section 21 only with straight tube, using following reducer pipe or diffuser
As long as the shape of Multi-hole section 21 is designed as it is consistent with the inner wall shape of reducer pipe or diffuser, can be profile-followed nested
?.
In the embodiment of the present invention, the connecting tube 10 uses existing conventional reducer pipe or diffuser, the company
The input end 101 of adapter tube 10 (reducer pipe or diffuser) is used for being adapted to connection, outlet end 102 with the outlet end of capillary 30
In being adapted to connection with the arrival end of evaporator 40.Connection type does not limit, and guarantees to be tightly connected and be connected to.Wherein, variable diameter
Pipe can use stepped reducer pipe (as shown in Figure 1), or at the right angle variable diameter of stair-stepping reducer pipe 11 are designed
For the form (as shown in Figure 2) for seamlessly transitting pipe 12.The structure type of diffuser, it is shown in Figure 3.Due to the embodiment of the present invention
Noise reduction connector connecting tube in increased porous material 20 or Multi-hole section 21, therefore, the structure type of connecting tube 10
It is not limited to existing conventional reducer pipe or diffuser, the structure type of straight tube can also be used, referring to Fig. 5 to Fig. 9.It is filled with
The noise reduction connector that porous material 20 or the straight tube for filling nesting Multi-hole section 21 are constituted also can be from the pipe of eruption noise
Road vibration noise, bubble collapse sound, jet noise tripartite carry out noise reduction process in face of refrigerant noise, play good vibration damping drop
It makes an uproar effect.
In the embodiment of the present invention, the porous material filled can be impacted in connecting tube 10 by the gas that the outlet end of capillary sprays
20 (perhaps Multi-hole section 21) porous materials 20 (or Multi-hole section 21) of material can be subjected to displacement by impact, to influence to subtract
It shakes noise reduction effect, therefore, in a kind of optional embodiment, referring to Fig. 1 to Fig. 3, Fig. 6 to Fig. 8, the outlet end of the connecting tube 10
The internal diameter of 102 port is adapted with the outer diameter of the arrival end of evaporator 40, outside the port of the outlet end 102 of the connecting tube 10
It connects on the outer wall of the arrival end of the evaporator 40, at this point, the annular sidewall of the arrival end of evaporator 40 constitutes porous material
The limit stop ring of 20 perhaps Multi-hole sections 21 can prevent the porous material 20 of filling or the displacement of Multi-hole section 21, guarantee
Its effect of vibration and noise reduction.In an alternative embodiment, limit stop ring 13 can also be increased, the limit stop ring 13 is fixed
The end face of the outlet end 102 (one end i.e. for connecting with the arrival end of evaporator 40) of the connecting tube 10 is set.Ginseng
As shown in Fig. 4 and Fig. 5, the outer of limit stop ring 13 is fixedly connected on the interior along upper, effectively prevention of the outlet end 102 of connecting tube 10
The displacement of porous material 20 (or Multi-hole section 21), guarantees the effect of vibration and noise reduction of porous material.Increase limit stop ring 13
In embodiment, the size of the outlet end 102 of connecting tube 10 and the size of the arrival end of evaporator 40 are unrestricted.
In an alternative embodiment, when the connecting tube 10 is using straight tube, due to straight tube internal diameter it is consistent, i.e.,
The internal diameter of two-port be also it is the same, therefore, in order to enable the connecting tube 10 of straight tube and capillary and evaporation tube to match well
Close connection, control the internal diameter of the straight tube 10 in the outer diameter for the outlet end for being greater than capillary, less than or equal to evaporator inlet end
In the range of outer diameter.And close a port of the straight tube (input end 101), it is opened on the closed end (input end 101)
If the mounting hole with the major diameter fit of the outlet end of capillary 30；Another port (outlet end 102) is opening, is used for and steam
The arrival end of pipe connects.In a kind of optional embodiment, as shown in figure 5, when the internal diameter of straight tube 10 is greater than the outlet end of capillary
Outer diameter, less than or equal to evaporator inlet end internal diameter when, porous material 20 is entirely filled in the pipeline of straight tube 10 at this time, and
It is fixedly connected with limit stop ring 13 on the end face of the outlet end of straight tube 10 102, prevents the displacement of porous material 20.Another kind can
In the embodiment of choosing, when the internal diameter of straight tube 10 is greater than the internal diameter of evaporator inlet end, less than or equal to the outer diameter of evaporator inlet end
When, porous material 20 can be entirely filled in straight tube, as shown in Figure 6；Porous material 20 can also be using with hollow channel
211 Multi-hole section 21 (referring to Fig. 7 to Fig. 9), can at this point, the side wall of the arrival end of evaporator 40 may make up limit stop ring
It not have to additional increase limit stop ring 13, but has been not limited to increase the stability of Multi-hole section 21, has increased limit stop ring 13.
The second aspect of the embodiment of the present invention provides a kind of refrigerating plant, including noise reduction connector above-mentioned, the drop
The two-port of connecting tube 10 of connector of making an uproar is connect with the arrival end of the outlet side of capillary 30 and evaporator 40 respectively.
Using the refrigerating plant of the noise reduction connector of the embodiment of the present invention, do not increase additional sound absorber, guarantees
Under the premise of structure property compact to design, vibration and noise reducing effectively reduces refrigerant noise, improves sound quality, improves use
Family experience.
It should be understood that the invention is not limited to the process and structure that are described above and are shown in the accompanying drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims
System.
Claims (10)
1. the noise reduction connector of a kind of capillary and evaporator, which is characterized in that including connecting tube, filling is more in the connecting tube
Porous materials.
2. the noise reduction connector of capillary according to claim 1 and evaporator, which is characterized in that the porous material is adopted
Use hydrophobic porous material.
3. the noise reduction connector of capillary according to claim 2 and evaporator, which is characterized in that described hydrophobic porous
Material uses porous metal material.
4. the noise reduction connector of capillary according to claim 1 and evaporator, which is characterized in that the porous material is
Multi-hole section with hollow channel, Multi-hole section adaptation are arranged in the pipeline of the connecting tube；The Multi-hole section
The two-port of hollow channel is connected to the arrival end of the outlet end of capillary and evaporator respectively.
5. the noise reduction connector of capillary according to claim 4 and evaporator, which is characterized in that the Multi-hole section
Hollow channel is straight pipeline form, tapered pipeline form or flaring tube shaped.
6. the noise reduction connector of capillary according to any one of claim 1 to 5 and evaporator, which is characterized in that institute
The outer diameter for stating the internal diameter of the port of the outlet end of connecting tube and the arrival end of evaporator is adapted, the outlet end of the connecting tube
On the outer wall of the external arrival end in the evaporator in port；
Alternatively, further including limit stop ring, the limit stop ring is arranged on the end face of the outlet end of the connecting tube.
7. the noise reduction connector of capillary according to any one of claim 1 to 5 and evaporator, which is characterized in that institute
Stating connecting tube is reducer pipe, diffuser or straight tube.
8. the noise reduction connector of capillary according to claim 7 and evaporator, which is characterized in that the connecting tube is straight
Guan Shi, the internal diameter of the straight tube is greater than outer diameter, the outer diameter less than or equal to evaporator inlet end of the outlet end of capillary, described straight
The a port of pipe is closed, and the mounting hole with the major diameter fit of the outlet end of capillary is opened up on the closed end；Another end
Mouth is opening, is connect for the arrival end with steam pipe.
9. the noise reduction connector of capillary according to any one of claim 1 to 5 and evaporator, which is characterized in that institute
The porosity for stating porous material is equal to or more than 90%.
10. a kind of refrigerating plant, which is characterized in that including the noise reduction connector as described in claim 1 to 9, the noise reduction connects
The two-port of the connecting tube of fitting is connect with the arrival end of the outlet side of capillary and evaporator respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919218.0A CN109595855A (en) | 2017-09-30 | 2017-09-30 | A kind of the noise reduction connector and refrigerating plant of capillary and evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919218.0A CN109595855A (en) | 2017-09-30 | 2017-09-30 | A kind of the noise reduction connector and refrigerating plant of capillary and evaporator |
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| Publication Number | Publication Date |
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| CN109595855A true CN109595855A (en) | 2019-04-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919218.0A Pending CN109595855A (en) | 2017-09-30 | 2017-09-30 | A kind of the noise reduction connector and refrigerating plant of capillary and evaporator |
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| CN (1) | CN109595855A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707022A (en) * | 2020-05-19 | 2020-09-25 | 中南大学 | Capillary steam-mixing super-cavitation jet noise suppression device |
| CN111707023A (en) * | 2020-05-19 | 2020-09-25 | 中南大学 | Bidirectional expansion valve steam-mixing super-cavitation jet noise suppression device |
| CN112179026A (en) * | 2019-07-03 | 2021-01-05 | 青岛海尔电冰箱有限公司 | Silencer, refrigeration circuit and refrigerator |
| CN114353395A (en) * | 2020-09-28 | 2022-04-15 | 青岛海尔电冰箱有限公司 | Refrigerating system, refrigerating equipment with refrigerating system and noise reduction method of refrigerating system |
| CN115060091A (en) * | 2022-06-08 | 2022-09-16 | 华能威海发电有限责任公司 | Noise reduction type steam-water direct heating steam injection device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111707023A (en) * | 2020-05-19 | 2020-09-25 | 中南大学 | Bidirectional expansion valve steam-mixing super-cavitation jet noise suppression device |
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| CN111707023B (en) * | 2020-05-19 | 2021-09-10 | 中南大学 | Bidirectional expansion valve steam-mixing super-cavitation jet noise suppression device |
| CN114353395A (en) * | 2020-09-28 | 2022-04-15 | 青岛海尔电冰箱有限公司 | Refrigerating system, refrigerating equipment with refrigerating system and noise reduction method of refrigerating system |
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| CN115060091A (en) * | 2022-06-08 | 2022-09-16 | 华能威海发电有限责任公司 | Noise reduction type steam-water direct heating steam injection device and method |
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Application publication date: 20190409 |