CN216691244U - Cooling noise elimination structure of generator - Google Patents
Cooling noise elimination structure of generator Download PDFInfo
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- CN216691244U CN216691244U CN202220375815.8U CN202220375815U CN216691244U CN 216691244 U CN216691244 U CN 216691244U CN 202220375815 U CN202220375815 U CN 202220375815U CN 216691244 U CN216691244 U CN 216691244U
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- silencer
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Abstract
The utility model discloses a cooling noise elimination structure of a generator, which comprises a silencer, wherein the silencer is positioned in a shell, the inner wall of the shell is provided with a spiral sealing structure, the sealing structure is abutted against the outer wall of the silencer, a gap between the silencer and the shell is divided into at least two spiral cavity structures, and airflow flows through the cavity structures. By adopting the silencer, the clearance between the silencer and the shell is divided into the spiral cavity structure by the spiral sealing structure, and the sealing structure is positioned on the inner wall of the shell and is abutted against the outer wall of the silencer, so that air flow flows through the silencer through the spiral cavity structure during cooling, the flowing path and flowing time of the air flow are increased, and the cooling effect of the silencer is enhanced; in addition, the silencer is arranged in the shell, so that the noise of the generator is reduced; in conclusion, the structure plays a role in noise reduction while improving the cooling effect.
Description
Technical Field
The utility model relates to the field of generators, in particular to a cooling noise elimination structure of a generator.
Background
At present, cooling air flow of a cylinder head and a silencer of a generator is radiated by utilizing the characteristics of the air flow, and the radiating air flow is not controlled; because the fluid is characterized by passing through the channel with the minimum resistance and the shortest path, when cooling airflow flows through the silencer, only a small part of the airflow participates in the cooling work, the airflow utilization rate is low, and the cooling and heat dissipation effects are poor; in order to ensure the circulation of the cooling air flow, the silencer and the matched parts are in an open structure, which is favorable for the air flow to pass through, but the noise is directly transmitted out through the open space, so that the noise of the generator is high.
Disclosure of Invention
The utility model aims to: the problem of can't fall the noise to the cooling structure of generator among the prior art provides the cooling noise elimination structure of the generator of a compromise noise reduction and cooling.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
the utility model provides a cooling noise elimination structure of generator, includes the silencer, and the silencer is located the casing, and shells inner wall is equipped with spiral seal structure, and seal structure and silencer outer wall butt to divide into two at least spiral helicine cavity structures with the clearance between silencer and casing, the air current flows through in the cavity structure.
By adopting the technical scheme of the utility model, the spiral sealing structure divides the gap between the silencer and the shell into the spiral cavity structure, and the sealing structure is positioned on the inner wall of the shell and is abutted against the outer wall of the silencer, so that when the silencer is cooled, airflow flows through the silencer through the spiral cavity structure, the flowing path and flowing time of the airflow are increased, and the cooling effect on the silencer is enhanced; in addition, the silencer is arranged in the shell, so that the noise of the generator is reduced; in conclusion, the structure plays a role in noise reduction while improving the cooling effect.
Further, the sealing structure comprises a sealing strip abutted with the silencer, the sealing strip is fixed in a spiral groove, and the spiral groove is formed in the inner wall of the shell. The sealing structure is formed by the sealing strips and the spiral grooves, so that the structure is simple and the installation is convenient; the spiral groove can be a structure protruding out of the inner wall of the shell or a structure recessed from the inner wall of the shell.
Furthermore, the spiral groove protrudes out of the inner wall of the shell, and the section of the spiral groove is U-shaped. The sealing strip is clamped in the U-shaped spiral groove.
Further, the sealing structure has two. Two spiral cavity structures are divided by the two sealing structures, the structure is simple, the manufacturing difficulty of parts is reduced, and the effects of cooling and noise reduction are taken into consideration.
Further, the casing is fixed by epitheca and inferior valve spiro union and forms, and the junction of epitheca and inferior valve forms unsmooth joint structure. The upper shell is connected with the lower shell in a clamping mode, so that the connection is tighter, air leakage is reduced, and the cooling and noise reduction effects are good.
Furthermore, a sealing structure is arranged in each of the upper shell and the lower shell.
Furthermore, the shell is sequentially connected with an air guide cover and an engine, and air flow enters the air guide cover through the engine and flows out through a cavity structure in the shell.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: because the spiral sealing structure divides the gap between the silencer and the shell into the spiral cavity structure, and the sealing structure is positioned on the inner wall of the shell and is abutted against the outer wall of the silencer, when the silencer is cooled, airflow flows through the silencer through the spiral cavity structure, the flowing path and the flowing time of the airflow are increased, and the cooling effect on the silencer is enhanced; in addition, the silencer is arranged in the shell, so that the noise of the generator is reduced; in conclusion, the structure plays a role in noise reduction while improving the cooling effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 shows a schematic view of a cooling noise elimination structure of a generator of the present invention.
Fig. 2 shows an exploded view of fig. 1.
Fig. 3 shows a cross-sectional view of fig. 1.
Fig. 4 shows a schematic view of the upper shell.
Fig. 5 shows a schematic view of the lower shell
Wherein the figures include the following reference numerals:
1. a muffler; 2. a sealing strip; 3. a helical groove; 4. an upper shell; 5. a lower case; 6. a gas guide hood; 7. an engine.
Detailed Description
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 3, a cooling noise elimination structure of a generator includes a muffler 1, the muffler 1 is located in a housing, a spiral sealing structure is arranged on an inner wall of the housing, the sealing structure abuts against an outer wall of the muffler 1 and divides a gap between the muffler 1 and the housing into at least two spiral cavity structures, and an air flow flows through the cavity structures.
By adopting the technical scheme of the utility model, the spiral sealing structure divides the gap between the silencer 1 and the shell into the spiral cavity structure, and the sealing structure is positioned on the inner wall of the shell and is abutted against the outer wall of the silencer 1, so that when the silencer is cooled, airflow flows through the silencer 1 through the spiral cavity structure, the flowing path and flowing time of the airflow are increased, and the cooling effect of the silencer 1 is enhanced; in addition, the silencer 1 is arranged in the shell, so that the noise of the generator is reduced; in conclusion, the structure plays a role in noise reduction while improving the cooling effect.
As shown in fig. 4 and 5, further, the sealing structure includes a sealing strip 2 abutting against the muffler 1, the sealing strip 2 is fixed in a spiral groove 3, and the spiral groove 3 is formed in the inner wall of the housing. The sealing structure is formed by the sealing strip 2 and the spiral groove 3, so that the structure is simple and the installation is convenient; the spiral groove 3 can be a structure protruding out of the inner wall of the shell or a structure recessed from the inner wall of the shell.
Furthermore, the spiral groove 3 protrudes out of the inner wall of the shell, and the section of the spiral groove is U-shaped. The sealing strip 2 is clamped into the U-shaped spiral groove 3.
Further, the sealing structure has two. Two spiral cavity structures are divided by the two sealing structures, the structure is simple, the manufacturing difficulty of parts is reduced, and the effects of cooling and noise reduction are taken into consideration.
Further, the casing is fixed by epitheca 4 and lower casing 5 spiro union and forms, and the junction of epitheca 4 and lower casing 5 forms unsmooth joint structure. Go up shell 4 and inferior valve 5 and carry out the joint for it is inseparabler to connect, reduces gas leakage, and the cooling noise reduction effect is good.
Further, a sealing structure is provided in each of the upper case 4 and the lower case 5.
Further, the casing is connected with air guide cover 6, engine 7 in proper order, and the air current gets into air guide cover 6 through engine 7, and the cavity structure outflow in the casing is passed through again.
Specifically, as shown in fig. 2 and 3, arrows show the flow direction of the cooling gas.
The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The cooling and noise elimination structure of the generator is characterized by comprising a silencer (1), wherein the silencer (1) is positioned in a shell, a spiral sealing structure is arranged on the inner wall of the shell, the sealing structure is abutted against the outer wall of the silencer (1), a gap between the silencer (1) and the shell is divided into at least two spiral cavity structures, and air flow flows through the cavity structures.
2. The cooling and sound-attenuating structure of an electric generator according to claim 1, characterized in that the sealing structure comprises a sealing strip (2) abutting against the muffler (1), the sealing strip (2) being fixed in a spiral groove (3), the spiral groove (3) being formed in the inner wall of the housing.
3. The cooling and sound-attenuating structure of a generator according to claim 2, wherein the spiral groove (3) protrudes from the inner wall of the housing and has a U-shaped cross section.
4. The cooling noise attenuation structure of the generator according to claim 1, wherein the sealing structure has two pieces.
5. The cooling noise elimination structure of the generator according to claim 1, wherein the housing is formed by fixedly screwing an upper housing (4) and a lower housing (5), and a concave-convex clamping structure is formed at the joint of the upper housing (4) and the lower housing (5).
6. The cooling noise attenuation structure of the generator according to claim 5, wherein one sealing structure is provided in each of the upper case (4) and the lower case (5).
7. The cooling and noise elimination structure of the generator according to claim 1, wherein the housing is sequentially connected with an air guide hood (6) and an engine (7), and the air flow enters the air guide hood (6) through the engine (7) and then flows out through a cavity structure in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375815.8U CN216691244U (en) | 2022-02-23 | 2022-02-23 | Cooling noise elimination structure of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375815.8U CN216691244U (en) | 2022-02-23 | 2022-02-23 | Cooling noise elimination structure of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691244U true CN216691244U (en) | 2022-06-07 |
Family
ID=81828901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220375815.8U Active CN216691244U (en) | 2022-02-23 | 2022-02-23 | Cooling noise elimination structure of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691244U (en) |
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2022
- 2022-02-23 CN CN202220375815.8U patent/CN216691244U/en active Active
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