CN210565110U - Silencer with built-in resonant cavity structure, compressor and air conditioner - Google Patents
Silencer with built-in resonant cavity structure, compressor and air conditioner Download PDFInfo
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- CN210565110U CN210565110U CN201921476612.2U CN201921476612U CN210565110U CN 210565110 U CN210565110 U CN 210565110U CN 201921476612 U CN201921476612 U CN 201921476612U CN 210565110 U CN210565110 U CN 210565110U
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Abstract
The utility model provides a muffler, compressor and air conditioner of built-in resonant cavity structure relates to compressor technical field, has solved the structure of the present muffler that exists among the prior art for the muffler is difficult to reach the technical problem of amortization effect well. The silencer with the built-in resonant cavity structure comprises a silencer main body part and a resonant cavity part, wherein the resonant cavity part is arranged in the silencer main body part, and when the silencer is arranged on the flange, a Helmholtz resonant cavity communicated with a cavity between the silencer main body part and the resonant cavity part is formed between the resonant cavity part and the circumferential side wall of the flange shaft. The utility model is used for improve the audio ability of muffler.
Description
Technical Field
The utility model belongs to the technical field of the compressor technique and specifically relates to a muffler, compressor and air conditioner of built-in resonant cavity structure are related to.
Background
The motor of the rotary compressor directly drives the rotary piston to rotate to complete the compression of the refrigerant vapor. The compressor has the following structure: the motor stator is fixed on the compressor housing, and electric rotor fixes on the bent axle, and the rotor rotates after the motor circular telegram of compressor, and then drives the bent axle and rotate, and the bent axle drives the piston rotation in the cylinder with the refrigerant in the compression cylinder, and the compressed refrigerant can get into the muffler after the exhaust hole on the flange discharges, later discharges from the gas vent of muffler.
The applicant has found that the prior art has at least the following technical problems:
in the structural design of compressor, the muffler is mainly used for reducing exhaust noise, but the structure of present muffler makes its noise cancelling capacity limited, often can not reach fine effect, and exhaust noise still can influence the user and experience the air conditioner, still need further improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a muffler, compressor and air conditioner of built-in resonant cavity structure has solved the structure of the present muffler that exists among the prior art for the muffler is difficult to reach the technical problem of amortization effect well. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of muffler of built-in resonant cavity structure, including muffler main part and resonant cavity portion, wherein, resonant cavity portion sets up in the muffler main part, works as when the muffler sets up on the flange, form between the circumference lateral wall of resonant cavity portion and flange axle one with the muffler main part with the resonant cavity that the cavity between the resonant cavity portion is linked together.
Further, the resonance chamber portion comprises a resonance chamber outer wall and a passage outer wall, the passage outer wall is arranged on one side of the resonance chamber outer wall and connected with the resonance chamber outer wall, the resonance chamber is formed between the resonance chamber outer wall and the circumferential side wall of the flange shaft, a communication passage is formed between the passage outer wall and the circumferential side wall of the flange shaft, and the communication passage is communicated with the resonance chamber and a chamber between the muffler main body portion and the resonance chamber portion.
Furthermore, the outer wall of the channel is of a cylindrical structure, the flange shaft is sleeved with the outer wall of the channel, grooves are formed in the circumferential side wall of the flange shaft, and the communication channel is formed between the outer wall of the channel and the grooves.
Further, the grooves extend along the axial direction of the flange shaft and are distributed along the circumferential direction of the flange shaft.
Furthermore, a separation plate is arranged in the outer wall of the resonant cavity and is used for dividing the resonant cavity into small independent resonant cavities, and each small resonant cavity is communicated with the communication channel.
Further, the outer wall of the resonant cavity and the outer wall of the channel are of an integrally formed structure.
Further, the resonance cavity part is in close fit with the flange shaft or is welded on the flange shaft.
Further, the muffler main body part is of a double-layer structure, two silencing chambers which are communicated with each other are formed in the muffler main body part, and the resonance chamber part is arranged in at least one silencing chamber.
A compressor comprises the silencer with the built-in resonant cavity structure.
An air conditioner comprises the silencer with the built-in resonant cavity structure.
The utility model provides a muffler of built-in resonant cavity structure, including muffler main part and resonant cavity portion, when the muffler setting was on the flange, resonant cavity portion and flange axle cooperate form one with the muffler main part and resonant cavity portion between the cavity be linked together the helmholtz resonant cavity, realize the effect of further amortization, solved the structure of the present muffler that exists among the prior art for the muffler is difficult to reach the technical problem of noise cancelling effect well.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a prior art muffler assembled to a flange;
FIG. 2 is a schematic cross-sectional view of a muffler with a built-in resonator structure mounted on a flange according to an embodiment of the present invention;
3 fig. 3 3 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 32 3. 3
FIG. 1-muffler body portion; 11-an outer sound damping layer; 12-the internal sound-attenuating layer; 13-a first anechoic chamber; 14-a second sound-deadening chamber; 15-air chamber through hole; 2-a resonant cavity part; 21-outer wall of resonant cavity; 22-channel outer wall; 23-a divider plate; 3-a flange; 31-a flange shaft; 32-grooves; 4-a resonant cavity; 41-small resonant cavity; 5-air outlet; 6-flange exhaust port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a muffler with a built-in resonant cavity structure, including a muffler main body portion 1 and a resonant cavity portion 2, wherein the resonant cavity portion 2 is disposed in the muffler main body portion 1, and when the muffler is disposed on a flange 3, a resonant cavity communicated with a cavity between the muffler main body portion 1 and the resonant cavity portion 2 is formed between the resonant cavity portion 2 and a circumferential side wall of a flange shaft 31. The existing silencer structure has limited silencing capability and often cannot achieve good effect; and the utility model provides a muffler of built-in resonant cavity structure, the resonant cavity portion 2 that sets up in muffler main part 1 cooperatees with flange axle 31 and forms helmholtz resonant cavity (helmholtz resonance refers to the phenomenon that the confined air under making certain volume produces the vibration by even air flow), realizes the effect of further amortization.
As an alternative embodiment of the present invention, referring to fig. 2, the structure of the resonant cavity 2 may be as follows: the resonance chamber part 2 comprises a resonance chamber outer wall 21 and a passage outer wall 22, the passage outer wall 22 is arranged on one side of the resonance chamber outer wall 21 and is connected with the resonance chamber outer wall 21, a resonance chamber 4 is formed between the resonance chamber outer wall 21 and the circumferential side wall of the flange shaft 31, a communication passage is formed between the passage outer wall 22 and the circumferential side wall of the flange shaft 31, and the communication passage is communicated with the resonance chamber 4 and the chamber between the silencer main body part 1 and the resonance chamber part 2.
As the embodiment of the utility model provides an optional embodiment, passageway outer wall 22 can be for cylindrical structure and cover setting on flange axle 31, is provided with recess 32 on the circumference lateral wall of flange axle 31, forms the intercommunication passageway between passageway outer wall 22 and the recess 32. The grooves 32 extend in the axial direction of the flange shaft 31 and the grooves 32 are distributed in the circumferential direction of the flange shaft 31. Referring to fig. 3, the configuration of the groove 32 on the flange shaft 31 is illustrated. The length, width and depth of the communication channel and the volume of the resonant cavity can be adjusted according to requirements, so that the noise of a certain frequency band can be eliminated.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 3, a partition plate 23 is disposed in the resonant cavity outer wall 21, the partition plate 23 is used to divide the resonant cavity 4 into mutually independent small resonant cavities 41, and each small resonant cavity 41 is communicated with a communication channel. Each small resonance chamber 41 may be used to form one helmholtz resonance chamber. Each small resonance chamber 41 corresponds to a communication passage for communicating the small resonance chamber 41 with the chamber between the muffler main body portion 1 and the resonance chamber portion 2.
As an optional implementation manner of the embodiment of the present invention, the resonant cavity outer wall 21 and the channel outer wall 22 may be an integrally formed structure, which is convenient for manufacturing; the thickness of the outer walls 21 of the resonance chamber and the outer walls 22 of the channels may be the same or different.
As the embodiment of the utility model provides an optional implementation mode, resonant cavity portion 2 can be the tight fit with flange axle 31, also can weld resonant cavity portion 2 on flange axle 31 to realize resonant cavity portion 2 and flange axle 31's being connected.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1 and 2, the muffler main body portion 1 is a double-layer structure, and two silencing chambers communicating with each other are formed in the muffler main body portion 1, and a resonance chamber portion 2 is provided in at least one of the silencing chambers. The muffler body 1 includes an outer muffling layer 11 and an inner muffling layer 12, a first muffling chamber 13 and a second muffling chamber 14 are formed in the muffler body 1, the resonance chamber portion 2 may be provided in the first muffling chamber 13, the resonance chamber portion 2 may be provided in the second muffling chamber 14, the resonance chamber portion 2 may be provided in both the first muffling chamber 13 and the second muffling chamber 14, and the position of the resonance chamber portion 2 may be adjusted according to actual conditions. The muffler main body 1 may have a single-layer structure (i.e., have one sound-deadening chamber), and the resonance chamber portion 2 may be located in the sound-deadening chamber.
Example 1:
a silencer with a built-in resonant cavity structure comprises a silencer main body part 1 and a resonant cavity part 2, wherein the resonant cavity part 2 is arranged in the silencer main body part 1, and the resonant cavity part 2 is matched with a flange shaft 31 to form a Helmholtz resonant cavity; the resonance chamber portion 2 comprises a resonance chamber outer wall 21 and a passage outer wall 22, the passage outer wall 22 is arranged on one side of the resonance chamber outer wall 21 and connected with the resonance chamber outer wall 21, a resonance chamber 4 is formed between the resonance chamber outer wall 21 and the circumferential side wall of the flange shaft 31, the passage outer wall 22 can be of a cylindrical structure and is sleeved on the flange shaft 31, a groove 32 is arranged on the circumferential side wall of the flange shaft 31, a communication passage is formed between the passage outer wall 22 and the groove 32, and the communication passage communicates the resonance chamber 4 and a chamber between the muffler main body portion 1 and the resonance chamber portion 2.
Example 2:
a muffler with a built-in resonant cavity structure, which is different from embodiment 1, a partition plate 23 is disposed in an outer wall 21 of the resonant cavity, the partition plate 23 is used to divide the resonant cavity 4 into small independent resonant cavities 41, and each small resonant cavity 41 is respectively communicated with a cavity between a main body 1 and a cavity 2 of the muffler through a corresponding communication channel.
Example 3:
the utility model provides a compressor, includes the utility model provides a muffler of built-in resonant cavity structure.
Example 4:
an air conditioner, comprising the utility model provides a muffler of built-in resonant cavity structure.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A silencer with a built-in resonant cavity structure is characterized by comprising a silencer main body part (1) and a resonant cavity part (2), wherein,
the resonance chamber part (2) is arranged in the silencer main body part (1), and when the silencer is arranged on the flange (3), a resonance chamber (4) communicated with a chamber between the silencer main body part (1) and the resonance chamber part (2) is formed between the resonance chamber part (2) and the circumferential side wall of the flange shaft (31).
2. The muffler with built-in resonant cavity structure according to claim 1, wherein the resonant cavity (2) comprises a resonant cavity outer wall (21) and a channel outer wall (22), the channel outer wall (22) is disposed at one side of the resonant cavity outer wall (21) and is connected with the resonant cavity outer wall (21), the resonant cavity (4) is formed between the resonant cavity outer wall (21) and the circumferential side wall of the flange shaft (31), a communication channel is formed between the channel outer wall (22) and the circumferential side wall of the flange shaft (31), and the communication channel communicates the resonant cavity (4) with the cavity between the muffler main body (1) and the resonant cavity (2).
3. The muffler of an internal resonance cavity structure according to claim 2, wherein the outer wall (22) of the passage is a cylindrical structure and is sleeved on the flange shaft (31), a groove (32) is provided on a circumferential side wall of the flange shaft (31), and the outer wall (22) of the passage and the groove (32) form the communication passage therebetween.
4. The acoustic muffler of an internal resonant cavity structure according to claim 3, wherein the grooves (32) extend in the axial direction of the flange shaft (31) and the grooves (32) are distributed in the circumferential direction of the flange shaft (31).
5. A silencer with built-in resonant cavity structure according to claim 2, 3 or 4, characterized in that a partition plate (23) is disposed in the outer wall (21) of the resonant cavity, the partition plate (23) is used to divide the resonant cavity (4) into small resonant cavities (41) independent from each other, and each small resonant cavity (41) is communicated with the communication channel.
6. The silencer of the built-in resonant cavity structure according to claim 2, wherein the resonant cavity outer wall (21) and the channel outer wall (22) are of an integral structure.
7. The acoustic muffler for an internal resonant cavity structure according to claim 1, wherein the resonant cavity part (2) is tightly fitted to the flange shaft (31) or the resonant cavity part (2) is welded to the flange shaft (31).
8. The muffler with built-in resonant cavity structure according to claim 1, wherein the muffler body (1) has a double-layer structure and two silencing chambers communicating with each other are formed in the muffler body (1), and the resonant cavity (2) is disposed in at least one of the silencing chambers.
9. A compressor comprising a muffler having a resonance chamber structure built therein as claimed in any one of claims 1 to 8.
10. An air conditioner, comprising a silencer with a built-in resonance chamber structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476612.2U CN210565110U (en) | 2019-09-05 | 2019-09-05 | Silencer with built-in resonant cavity structure, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476612.2U CN210565110U (en) | 2019-09-05 | 2019-09-05 | Silencer with built-in resonant cavity structure, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565110U true CN210565110U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476612.2U Active CN210565110U (en) | 2019-09-05 | 2019-09-05 | Silencer with built-in resonant cavity structure, compressor and air conditioner |
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| CN (1) | CN210565110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837913A (en) * | 2021-02-02 | 2022-08-02 | 上海海立电器有限公司 | Silencer and compressor |
-
2019
- 2019-09-05 CN CN201921476612.2U patent/CN210565110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837913A (en) * | 2021-02-02 | 2022-08-02 | 上海海立电器有限公司 | Silencer and compressor |
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