CN209557192U - Silencer, compressor and refrigerating system - Google Patents
Silencer, compressor and refrigerating system Download PDFInfo
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- CN209557192U CN209557192U CN201821957965.XU CN201821957965U CN209557192U CN 209557192 U CN209557192 U CN 209557192U CN 201821957965 U CN201821957965 U CN 201821957965U CN 209557192 U CN209557192 U CN 209557192U
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- anechoic chamber
- muffler
- muffler according
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- 230000003584 silencer Effects 0.000 title abstract 5
- 239000011229 interlayer Substances 0.000 claims description 48
- 239000010410 layer Substances 0.000 claims description 40
- 238000009423 ventilation Methods 0.000 claims description 12
- 239000011358 absorbing material Substances 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 239000003507 refrigerant Substances 0.000 abstract description 3
- 230000030279 gene silencing Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a muffler, compressor and refrigerating system relates to the compressor and falls the technical field of making an uproar, has solved the not good technical problem of muffler noise cancelling effect who is used for the compressor that exists among the prior art. The silencer comprises a silencer body (10), wherein at least two layers of silencing chambers are arranged on the silencer body (10) around a central shaft of the silencer body (10), and are communicated with each other, so that the at least two layers of silencing chambers are communicated with each other to realize the layer-by-layer silencing of airflow. The utility model discloses an at least two-layer anechoic chamber that sets up mutual intercommunication around its central axis on the muffler body to can get into the anechoic chamber of inlayer from outermost anechoic chamber successive layer when making in the high pressure refrigerant air current of exhaust gets into the muffler, the air current noise is weakened by the successive layer, has realized the multilayer amortization of air current, plays the purpose of effectively reducing the air current noise.
Description
Technical field
The utility model relates to compressor noise-reduction technical fields, are more particularly, to a kind of muffler, compressor and refrigeration
System.
Background technique
With gradually increasing for people's environmental consciousness, more stringent requirements are proposed for the noise effects of household electrical appliances by consumer.
In rotary compressor, pneumatic noise is one of main noise of compressor.Pneumatic noise is since fluid is in flow process
It is middle to generate irregular pressure and velocity fluctuation, to external radiation broadband noise.It is often as during compressor air-discharging, from
The gas flow rate of flange discharge is higher, causes noise larger.The prior art, which generallys use muffler, reduces exhaust noise.Compressor
Interior high pressure refrigerant gas enters after exhaust outlet inside the muffler being connected with compressor flange, disappears due to having in muffler
Tone chamber can have reduction effect to portion discharge noise.
Figures 1 and 2 show that the structural schematic diagram of muffler in the prior art.Existing muffler includes muffler sheet
Body 10 and the single layer anechoic chamber that is arranged of crankshaft hole around muffler ontology 10, by anechoic chamber to the dilating effect of air-flow,
To realize the purpose for reducing pneumatic noise.However anechoic chamber is usually single layer structure in existing muffler, is disappeared to air-flow
Audio fruit is limited, causes erasure effect bad.
Utility model content
The purpose of this utility model is to provide a kind of muffler, compressor and refrigeration systems, to solve in the prior art
The existing technical problem bad for the muffler erasure effect of compressor.In many technical solutions provided by the utility model
The many technical effects elaboration as detailed below that can be generated of optimal technical scheme.
To achieve the above object, the utility model provides following technical scheme:
A kind of muffler provided by the utility model, including muffler ontology, around described on the muffler ontology
The central axis of muffler ontology is equipped at least two layers of anechoic chamber, and at least two layers of anechoic chamber, which is interconnected, to be arranged, to pass through phase
Realize the layer-by-layer noise reduction of air-flow in intercommunicated at least two layers of anechoic chamber.
According to a kind of preferred embodiment, at least two layers of anechoic chamber includes at least the first anechoic chamber and the second noise reduction
Room, and second anechoic chamber relative to first anechoic chamber with closer to the position of the central axis of muffler ontology be arranged.
According to a kind of preferred embodiment, first anechoic chamber and second anechoic chamber pass through the first interlayer structure phase
Mutually separate.
According to a kind of preferred embodiment, the height that first interlayer structure protrudes from the muffler body surface is small
In the height for the outer chamber wall for forming first anechoic chamber, to allow air-flow by the bottom of first interlayer structure described
It circulates between first anechoic chamber and second anechoic chamber.
According to a kind of preferred embodiment, it is provided on first interlayer structure for being connected to first anechoic chamber
With the ventilation device of second anechoic chamber, to allow air-flow by the ventilation device in first anechoic chamber and described the
It circulates between two anechoic chambers.
According to a kind of preferred embodiment, the ventilation device is the venthole being arranged on first interlayer structure.
According to a kind of preferred embodiment, the venthole includes that at least two, and at least two ventholes close
It is distributed in the central axis central symmetry of the muffler ontology.
According to a kind of preferred embodiment, the ventilation device is to be arranged on first interlayer structure for being connected to
The tubular structure of first anechoic chamber and second anechoic chamber.
According to a kind of preferred embodiment, the tubular structure includes at least two, and at least two tubular knots
Structure is distributed about the central axis central symmetry of the muffler ontology.
According to a kind of preferred embodiment, the tubular structure is both ends open type structure.
According to a kind of preferred embodiment, the tubular structure, which passes through first interlayer structure, is located at one open end
In first anechoic chamber, another open end is located in second anechoic chamber.
According to a kind of preferred embodiment, be provided on the barrel of the tubular structure can by inside tubular structure with
The micropore of first anechoic chamber and/or second anechoic chamber connection.
According to a kind of preferred embodiment, pass through welding or interference between the tubular structure and first interlayer structure
The mode of cooperation forms a fixed connection.
According to a kind of preferred embodiment, second anechoic chamber and crankshaft hole are spaced from each other by the second interlayer structure,
And it is connected between second anechoic chamber and the crankshaft hole.
According to a kind of preferred embodiment, the height that second interlayer structure protrudes from the muffler body surface is small
The height of the muffler body surface is protruded from the first interlayer structure, to allow air-flow to pass through the bottom of the second interlayer structure
It circulates between second anechoic chamber and the crankshaft hole.
According to a kind of preferred embodiment, it is provided on second interlayer structure for being connected to second anechoic chamber
With the through-hole of crankshaft hole, circulated between second anechoic chamber and the crankshaft hole with allowing air-flow to pass through the through-hole.
According to a kind of preferred embodiment, sound-absorbing material is provided at least two layers of anechoic chamber.
According to a kind of preferred embodiment, the sound-absorbing material is sound absorption cotton.
According to a kind of preferred embodiment, the sound-absorbing material be placed in a manner of filling or in the way of stickup it is described extremely
In at least one layer of few two layers of anechoic chamber.
According to a kind of preferred embodiment, flow-guiding structure is provided at least two layers of anechoic chamber.
According to a kind of preferred embodiment, the flow-guiding structure is flight.
According to a kind of preferred embodiment, fixed connect is formed by welding between the flow-guiding structure and the first interlayer structure
It connects.
The utility model additionally provides a kind of compressor, including the muffler.
The utility model additionally provides a kind of refrigeration system, including the compressor.
Based on the above-mentioned technical proposal, the muffler of the utility model embodiment at least has the following technical effect that
Muffler provided by the utility model is interconnected extremely by surrounding central shaft setting on muffler ontology
Few two layers of anechoic chamber, so that can be from far from central axis when entering in muffler from the high pressure refrigerant air-flow that exhaust outlet is discharged
Anechoic chamber gradually to close to central axis anechoic chamber flowing and layer-by-layer noise reduction, pneumatic noise be successively weakened, realize air-flow
The purpose that pneumatic noise is effectively reduced is played in multilayer noise reduction, and then reduces the noise of compressor.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of muffler in the prior art；
Fig. 2 is the longitudinal section cross-sectional view of muffler in the prior art；
Fig. 3 is the structural schematic diagram of the muffler of the utility model；
Fig. 4 is a kind of perspective view of preferred embodiment of the muffler of the utility model；
Fig. 5 is the perspective view of another preferred embodiment of the muffler of the utility model.
In figure: 10- muffler ontology；The first anechoic chamber 12-；The second anechoic chamber 13-；14- venthole；15- tubular structure；
The first interlayer structure of 16-；17- outer chamber wall；The second interlayer structure of 18-；19- crankshaft hole.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The utility model provides a kind of muffler, as shown in figure 3, Fig. 3 shows the knot of the muffler of the utility model
Structure schematic diagram.The muffler of the utility model includes muffler ontology 10, and muffler ontology 10 is surrounded on muffler ontology 10
Central axis be equipped at least two layers of anechoic chamber, at least two layers anechoic chamber is interconnected setting, to pass through be interconnected at least two
Realize the layer-by-layer noise reduction of air-flow in layer anechoic chamber.Therefore, the utility model is arranged by surrounding central shaft on muffler ontology
Interconnected at least two layers of anechoic chamber, thus can be from disappearing far from central axis when entering muffler from the air-flow that flange is discharged
Tone chamber gradually flows to the anechoic chamber close to central axis and passes through multilayer noise reduction processing, and pneumatic noise is successively weakened, Ke Yiqi
To the effect that pneumatic noise is effectively reduced.
Preferably, muffler ontology 10 be arranged on flange so that from cylinder exhaust port be discharged air-flow by flange into
Enter muffler and carries out noise reduction processing.The bottom of muffler ontology 10 towards the direction of flange to be arranged, from the air-flow of flange discharge
The outermost layer of muffler is preferentially entered far from the anechoic chamber of muffler central axis, then successively successively passes through internal layer anechoic chamber, most
It is discharged out of crankshaft hole eventually.It is carried out at effective multilayer noise reduction so that air-flow enters the anechoic chamber positioned at muffler ontology 10
Reason.
Preferably, at least two layers of anechoic chamber being arranged radially along muffler ontology 10, thus from muffler ontology 10
Mandrel is outwardly formed at least two layers of noise reduction cell structure.As shown in Figure 3, it is preferred that at least two layers of anechoic chamber includes at least first and disappear
Tone chamber 12 and the second anechoic chamber 13, and the second anechoic chamber 13 relative to the first anechoic chamber 12 closer in muffler ontology 10
The position of mandrel is arranged.Preferably, the first anechoic chamber 12 and the second anechoic chamber 13 are spaced from each other by the first interlayer structure 16.It is excellent
Choosing, the first interlayer structure 16 can be the ring structure being arranged around the central axis of muffler ontology 10, be also possible to surround
The non-circular structure of the central axis setting of muffler ontology 10.
According to a kind of preferred embodiment, in order to guarantee the connection between the first anechoic chamber 12 and the second anechoic chamber 13, the
The height that one interlayer structure 16 protrudes from 10 surface of muffler ontology is less than the height of the outer chamber wall 17 of the first anechoic chamber 12 of composition,
To allow air-flow to circulate between the first anechoic chamber 12 and the second anechoic chamber 13 by the bottom of the first interlayer structure 16.That is, can
To be interpreted as, the first interlayer structure 16 is outer less than the first anechoic chamber 12 relative to the length that muffler body surface is extended
The height of cavity wall 17, so that air-flow can pass through the bottom of the first interlayer structure when muffler bottom to be fixedly connected with flange
Portion gap is circulated between the first anechoic chamber 12 and the second anechoic chamber 13, to reduce noise.
Another kind preferred embodiment according to the present utility model, in order to guarantee the first anechoic chamber 12 and the second anechoic chamber 13
Between connection, the ventilation knot for being connected to the first anechoic chamber 12 and the second anechoic chamber 13 is provided on the first interlayer structure 16
Structure is shown with allowing air-flow to circulate between the first anechoic chamber 12 and the second anechoic chamber 13 by ventilation device with reference to Fig. 4, Fig. 4
The perspective view of preferred embodiment of the muffler of the utility model a kind of.Preferably, ventilation device is in the first interlayer knot
The venthole 14 being arranged on structure 16.Preferably, venthole 14 includes at least two, and at least two ventholes 14 are about noise reduction
The central axis central symmetry of device ontology 10 is distributed.So that air-flow is when flowing through venthole, the effect of liquidating is generated, reduction noise is played
Effect.Preferably, which can be the logical of circular hole or square hole or flute profile hole or other irregular shapes
Hole.
Another kind preferred embodiment according to the present utility model, in order to guarantee the first anechoic chamber 12 and the second anechoic chamber 13
Between connection, ventilation device is to be arranged on the first interlayer structure 16 for being connected to the first anechoic chamber 12 and the second anechoic chamber
13 tubular structure 15 shows the solid of another preferred embodiment of the muffler of the utility model with reference to Fig. 5, Fig. 5
Figure.Preferably, tubular structure 15 includes at least two, and center of at least two tubular structures 15 about muffler ontology 10
Axis center is symmetrical.To realize that air-flow generates the effect of liquidating when flowing through tubular structure, the effect for reducing noise is played.It is excellent
Choosing, tubular structure 15 is both ends open type structure.Tubular structure 15, which passes through the first interlayer structure 16, is located at one open end
In first anechoic chamber 12, another open end is located in the second anechoic chamber 13.So as to realize the first anechoic chamber and the second anechoic chamber it
Between connection.Preferably, being provided on the barrel of tubular structure 15 can be by 15 inside of tubular structure and the first anechoic chamber 12
And/or the micropore of the second anechoic chamber 13 connection.The setting of micropore, which can reduce, generates vortex when air-flow flows through, so that air-flow is gentle
Next layer of anechoic chamber is flowed into, pneumatic noise is reduced.Preferably, between tubular structure 15 and the first interlayer structure 16 by welding or
The mode of interference fit forms a fixed connection.Preferably, which can be cylindrical shape, be also possible to non-cylindrical
Tubular structure.
According to a kind of preferred embodiment, the second anechoic chamber 13 and crankshaft hole 19 by the second interlayer structure 18 mutually every
It opens, and is connected between the second anechoic chamber 13 and crankshaft hole 19.So that air-flow is finally arranged from internal layer anechoic chamber from crankshaft hole
Out.Preferably, the height that the second interlayer structure 18 protrudes from 10 surface of muffler ontology is protruded from less than the first interlayer structure 16
The height on 10 surface of muffler ontology, to allow air-flow by the bottom of the second interlayer structure 18 in the second anechoic chamber 13 and crankshaft
It circulates between hole 19.Or, it is preferred that it is provided on the second interlayer structure 18 for being connected to the second anechoic chamber 13 and crankshaft hole
19 through-hole, to allow air-flow to circulate between the second anechoic chamber 13 and crankshaft hole 19 by through-hole.Preferably, the second interlayer knot
Through-hole on structure 18 includes at least two, and at least two through-holes are centrosymmetric point about the central axis of muffler ontology
Cloth.
According to a kind of preferred embodiment, sound-absorbing material is provided at least two layers of anechoic chamber.Preferably, sound-absorbing material
For the cotton that absorbs sound.Sound-absorbing material is placed in at least one layer of at least two layers anechoic chamber in a manner of filling or in the way of stickup.From
And effective absorption is further functioned as to pneumatic noise.
According to another preferred embodiment, flow-guiding structure is provided at least two layers of anechoic chamber.The flow-guiding structure is
Flight.It is formed a fixed connection between flow-guiding structure and the first interlayer structure 16 by welding.To be offseted by flow-guiding structure
The indoor air-flow of sound carries out water conservancy diversion operation.
The utility model additionally provides a kind of compressor, including the muffler.To be implemented by the utility model
The pneumatic noise in compressor is effectively reduced in the muffler of example.
The utility model additionally provides a kind of refrigeration system, including the compressor.
The utility model is by being arranged radially at least two layers of anechoic chamber along muffler ontology, so that from exhaust outlet discharge
Air-flow can flow from layer-by-layer inner layer anechoic chamber, outermost layer anechoic chamber after entering muffler and carry out noise reduction processing, pneumatic noise
Successively weakened, the effect of noise reduction is effectively played to high-speed flow, thereby reduced the noise of compressor, improve user's
Experience.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (24)
1. a kind of muffler, which is characterized in that including muffler ontology (10), around described on the muffler ontology (10)
The central axis of muffler ontology (10) is equipped at least two layers of anechoic chamber, and at least two layers of anechoic chamber, which is interconnected, to be arranged, with logical
Cross the layer-by-layer noise reduction that at least two layers of the anechoic chamber being interconnected realizes air-flow.
2. muffler according to claim 1, which is characterized in that at least two layers of anechoic chamber includes at least the first noise reduction
Room (12) and the second anechoic chamber (13), and second anechoic chamber (13) relative to first anechoic chamber (12) with closer to disappearing
The position of the central axis of sound device ontology (10) is arranged.
3. muffler according to claim 2, which is characterized in that first anechoic chamber (12) and second anechoic chamber
(13) it is spaced from each other by the first interlayer structure (16).
4. muffler according to claim 3, which is characterized in that first interlayer structure (16) protrudes from the noise reduction
The height on device ontology (10) surface is less than the height for forming the outer chamber wall (17) of first anechoic chamber (12), to allow air-flow logical
It circulates between first anechoic chamber (12) and second anechoic chamber (13) bottom for crossing first interlayer structure (16).
5. muffler according to claim 3, which is characterized in that be provided with and be used on first interlayer structure (16)
It is connected to the ventilation device of first anechoic chamber (12) and second anechoic chamber (13), to allow air-flow to tie by the ventilation
Structure circulates between first anechoic chamber (12) and second anechoic chamber (13).
6. muffler according to claim 5, which is characterized in that the ventilation device is in first interlayer structure
(16) venthole (14) being arranged on.
7. muffler according to claim 6, which is characterized in that the venthole (14) includes at least two, and extremely
Few two ventholes (14) are distributed about the central axis central symmetry of the muffler ontology (10).
8. muffler according to claim 5, which is characterized in that the ventilation device is in first interlayer structure
(16) what is be arranged on is used to be connected to the tubular structure (15) of first anechoic chamber (12) and second anechoic chamber (13).
9. muffler according to claim 8, which is characterized in that the tubular structure (15) includes at least two, and
At least two tubular structures (15) are distributed about the central axis central symmetry of the muffler ontology (10).
10. muffler according to claim 9, which is characterized in that the tubular structure (15) is both ends open type structure.
11. muffler according to claim 10, which is characterized in that the tubular structure (15) passes through first interlayer
Structure (16) is located at one open end in first anechoic chamber (12), and another open end is located at second anechoic chamber (13)
It is interior.
12. muffler according to claim 11, which is characterized in that be provided on the barrel of the tubular structure (15)
The micropore that can will be connected to inside tubular structure (15) with first anechoic chamber (12) and/or second anechoic chamber (13).
13. muffler according to claim 8, which is characterized in that the tubular structure (15) and the first interlayer knot
Structure is formed a fixed connection by way of welding or being interference fitted between (16).
14. muffler according to claim 2, which is characterized in that second anechoic chamber (13) and crankshaft hole (19) are logical
It crosses the second interlayer structure (18) to be spaced from each other, and is connected between second anechoic chamber (13) and the crankshaft hole (19).
15. muffler according to claim 14, which is characterized in that second interlayer structure (18) protrudes from described disappear
The height on sound device ontology (10) surface protrudes from the height on muffler ontology (10) surface less than the first interlayer structure (16),
To allow air-flow by the bottom of the second interlayer structure (18) between second anechoic chamber (13) and the crankshaft hole (19)
Circulation.
16. muffler according to claim 14, which is characterized in that be arranged on second interlayer structure (18) useful
In the through-hole for being connected to second anechoic chamber (13) and crankshaft hole (19), to allow air-flow to disappear by the through-hole described second
It circulates between tone chamber (13) and the crankshaft hole (19).
17. muffler according to claim 1, which is characterized in that be provided with sound absorption at least two layers of anechoic chamber
Material.
18. muffler according to claim 17, which is characterized in that the sound-absorbing material is sound absorption cotton.
19. muffler according to claim 17, which is characterized in that the sound-absorbing material is in a manner of filling or stickup
Mode be placed in at least one layer of at least two layers anechoic chamber.
20. muffler according to claim 1, which is characterized in that be provided with water conservancy diversion at least two layers of anechoic chamber
Structure.
21. muffler according to claim 20, which is characterized in that the flow-guiding structure is flight.
22. muffler according to claim 21, which is characterized in that the flow-guiding structure and the first interlayer structure (16) it
Between by welding form a fixed connection.
23. a kind of compressor, which is characterized in that including any muffler of preceding claims 1 to 22.
24. a kind of refrigeration system, which is characterized in that including the compressor described in claim 23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821957965.XU CN209557192U (en) | 2018-11-26 | 2018-11-26 | Silencer, compressor and refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821957965.XU CN209557192U (en) | 2018-11-26 | 2018-11-26 | Silencer, compressor and refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557192U true CN209557192U (en) | 2019-10-29 |
Family
ID=68299790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821957965.XU Active CN209557192U (en) | 2018-11-26 | 2018-11-26 | Silencer, compressor and refrigerating system |
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| Country | Link |
|---|---|
| CN (1) | CN209557192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404257A (en) * | 2018-11-26 | 2019-03-01 | 珠海凌达压缩机有限公司 | Silencer, compressor and refrigerating system |
-
2018
- 2018-11-26 CN CN201821957965.XU patent/CN209557192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404257A (en) * | 2018-11-26 | 2019-03-01 | 珠海凌达压缩机有限公司 | Silencer, compressor and refrigerating system |
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