CN219366132U - Impedance composite low-noise silencer for generator set - Google Patents
Impedance composite low-noise silencer for generator set Download PDFInfo
- Publication number
- CN219366132U CN219366132U CN202320384184.0U CN202320384184U CN219366132U CN 219366132 U CN219366132 U CN 219366132U CN 202320384184 U CN202320384184 U CN 202320384184U CN 219366132 U CN219366132 U CN 219366132U
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- Prior art keywords
- silencing
- pipe
- generator set
- composite low
- block
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 230000003584 silencer Effects 0.000 title claims abstract description 17
- 230000030279 gene silencing Effects 0.000 claims abstract description 86
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 229920000742 Cotton Polymers 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001743 silencing effect Effects 0.000 abstract description 6
- 241000219146 Gossypium Species 0.000 description 16
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses an impedance composite low-noise silencer for a generator set, which comprises a first silencing pipe, wherein a second silencing pipe is fixedly arranged at one end of the first silencing pipe, silencing blocks are fixedly arranged in the first silencing pipe through a plurality of groups of buffer assemblies, a plurality of silencing holes are formed in the surface of each silencing block, and a plurality of spherical grooves are formed in each silencing hole. When the generator is used, generated gas flows into the first silencing pipe from the airflow through pipe and then passes through the silencing holes and the spherical grooves formed in the surface of the silencing block, so that the flow rate and the vibration frequency of the gas during discharge can be effectively slowed down, and a good silencing effect is achieved.
Description
Technical Field
The utility model relates to the technical field of generator part equipment, in particular to an impedance composite low-noise silencer for a generator set.
Background
With the development of society and the progress of technology, the technical field of generator parts and equipment has been greatly developed and advanced, wherein in the technical field of generator parts and equipment, a silencer is a noise reducing device arranged on an airflow channel of a generator or in an air inlet and exhaust system, and can block the propagation of sound waves, allow airflow to pass through and is an effective tool for controlling noise.
However, the existing silencer has a simple structure, is fixedly arranged on the air flow pipe through a simple silencing pipe, can absorb part of noise, but cannot completely eliminate the noise, still has a bombing sound, and has poor silencing effect.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides an impedance composite low-noise silencer for a generator set, which is simple in structure, is fixedly arranged on a gas flow pipe through a simple silencing pipe, can absorb part of noise, can not completely eliminate the noise, still has bombing sound and poor silencing effect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the impedance composite low-noise silencer for the generator set comprises a first silencing pipe, wherein a second silencing pipe is fixedly arranged at one end of the first silencing pipe, and silencing blocks are fixedly arranged in the first silencing pipe through a plurality of groups of buffer assemblies;
the surface of the silencing block is provided with a plurality of silencing holes, and a plurality of spherical grooves are formed in the silencing holes.
Preferably, the buffer assembly comprises a mounting block fixedly mounted in the first silencing pipe, a limiting rod, a moving block sleeved on the limiting rod in a sliding manner and a telescopic spring sleeved on the limiting rod, a sliding groove is formed in the surface of the mounting block, the limiting rod is fixedly mounted in the sliding groove, and two ends of the telescopic spring are fixedly connected with the surface of the moving block and the inner wall of the sliding groove respectively.
Preferably, the first silencing pipe is internally and fixedly provided with a mounting sleeve, the inner sleeve wall of the mounting sleeve is provided with a mounting groove, the mounting groove is internally and fixedly provided with first silencing cotton, and the first silencing cotton is made of high-temperature-resistant aluminum silicate cotton.
Preferably, the inner sleeve wall of the mounting sleeve is fixedly provided with a reflux plate through a plurality of connecting blocks, and the surface of the reflux plate is provided with an arc-shaped reflux groove.
Preferably, a rotating block is rotatably installed at one end of the first silencing pipe, and a mounting joint with threads formed on the surface is fixedly installed on the surface of the rotating block.
Preferably, a plurality of baffles are fixedly arranged in the second silencing pipe, and the baffles are staggered.
Preferably, a plurality of baffle surfaces are fixedly provided with second amortization cottons, and the second amortization cottons are made of high-temperature-resistant aluminum silicate cottons.
The utility model has the beneficial effects that:
when the generator is used, generated gas flows into the first silencing pipe from the airflow through pipe, and then flows through the silencing holes and the spherical grooves formed in the surface of the silencing block, so that the flow rate and the vibration frequency of the gas during discharging can be effectively slowed down, and a good silencing effect is achieved.
Drawings
FIG. 1 is a schematic view of a three-dimensional partial cross-sectional structure of an impedance composite low-noise muffler for a generator set according to the present utility model;
FIG. 2 is a schematic diagram of a three-dimensional cross-sectional structure of a muffler block in an impedance composite low-noise muffler for a generator set according to the present utility model;
FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of a mounting sleeve in an impedance composite low-noise muffler for a generator set according to the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 1 at A;
fig. 5 is an enlarged view of the structure at B in fig. 1.
In the figure: 1 first muffler pipe, 2 second muffler pipe, 3 amortization piece, 4 installation piece, 5 gag lever post, 6 movable block, 7 expansion spring, 8 installation cover, 9 first amortization cotton, 10 return plate, 11 return tank, 12 rotating block, 13 installation joint, 14 baffle, 15 second amortization cotton.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, an impedance composite low noise muffler for a generator set comprises a first muffler pipe 1, a second muffler pipe 2 is fixedly arranged at one end of the first muffler pipe 1, a plurality of muffler holes are formed in the surface of the muffler block 3 through a plurality of groups of buffering components, a plurality of ball grooves are formed in the plurality of muffler holes, a mounting sleeve 8 is fixedly arranged in the first muffler pipe 1, a mounting groove is formed in the inner sleeve wall of the mounting sleeve 8, a first muffler cotton 9 is fixedly arranged in the mounting groove, the first muffler cotton 9 is made of high-temperature-resistant aluminum silicate cotton, a backflow plate 10 is fixedly arranged on the inner sleeve wall of the mounting sleeve 8 through a plurality of connecting blocks, an arc-shaped backflow groove 11 is formed in the surface of the backflow plate 10, a plurality of baffles 14 are fixedly arranged in the second muffler pipe 2, the plurality of baffles 14 are mutually staggered, a second muffler cotton 15 is fixedly arranged on the surface of the plurality of baffles 14, and the second muffler cotton 15 is made of high-temperature-resistant aluminum silicate cotton.
When the generator is used, generated gas firstly enters the first silencing pipe 1 from the airflow through pipe, then penetrates into a plurality of silencing holes formed in the surface of the silencing block 3, and enters into a plurality of ball grooves formed in the silencing holes, the gas passes through the silencing holes and the ball grooves, and is concentrated and rotated in the ball grooves, so that the vibration frequency and the flow rate of the gas can be effectively slowed down, then the gas passes through the mounting sleeve 8, most of sound generated in the first silencing pipe 1 is absorbed by the first silencing cotton 9 when the gas passes through the mounting sleeve 8, then the gas impacts on the reflux plate 10, the gas firstly flows back in the mounting sleeve 8 through the reflux groove 11 formed in the surface of the reflux plate 10, the time of the gas flow is further prolonged, the speed of the gas flow is slowed down, the first silencing cotton 9 can be enabled to be sufficient to absorb noise, the inner diameter of the second silencing pipe 2 is smaller than that of the first silencing pipe 1, the gas after the first silencing pipe 1 is discharged into the second silencing pipe 2, the flowing gas is impacted on the surface of the second silencing pipe 14 which is staggered mutually, and the sound is further effectively slowed down, and the noise is further absorbed by the second silencing baffle 14 is further fixed, and the noise is further reduced, and the effect is further fixed, and the noise is reduced, and the noise is 15 is further stable.
The buffer component comprises a mounting block 4 fixedly mounted in the first silencing pipe 1, a limiting rod 5, a moving block 6 sleeved on the limiting rod 5 in a sliding manner and a telescopic spring 7 sleeved on the limiting rod 5, wherein a sliding groove is formed in the surface of the mounting block 4, the limiting rod 5 is fixedly mounted in the sliding groove, two ends of the telescopic spring 7 are fixedly connected with the surface of the moving block 6 and the inner wall of the sliding groove respectively, when gas just enters the first silencing pipe 1, the flowing speed is fast, when the gas collides with the silencing block 3, the silencing block 3 can drive a plurality of moving blocks 6 to move in the sliding groove formed in the surface of the mounting block 4, the telescopic springs 7 are compressed, the silencing block 3 can be buffered under the action of the elastic force of the telescopic springs 7, and then the acting force of gas on the silencing block 3 is reduced.
The rotating block 12 is rotatably arranged at one end of the first silencing pipe 1, the surface of the rotating block 12 is fixedly provided with the mounting joint 13 with threads, when the silencer is arranged on the generator, the mounting joint 13 is arranged on the generator, then the rotating block 12 is rotated, and the mounting joint 13 is screwed on the generator, so that the installation is convenient.
In the utility model, when the generator is used, generated gas firstly enters the first silencing pipe 1 from the airflow through pipe, then penetrates into a plurality of silencing holes formed on the surface of the silencing block 3, and enters a plurality of spherical grooves formed in the silencing holes, so that the vibration frequency and the flow rate of the gas can be effectively slowed down, and the gas after exiting from the first silencing pipe 1 enters the second silencing pipe 2, and the noise is further reduced by flowing in the second silencing pipe 2, thereby playing a good silencing effect.
Overall, for technical problems: the existing silencer has a simple structure, is fixedly arranged on the air flow pipe through a simple silencing pipe, can absorb part of noise, but cannot completely eliminate the noise, still has bombing sound and has poor silencing effect; adopts the technical proposal that: through the mutual matching of the first silencing pipe 1, the second silencing pipe 2 and the silencing block 3, the flow rate and the vibration frequency of the gas during the discharge are slowed down; the implementation process of the technical scheme is as follows: when the generator is used, generated gas firstly enters the first silencing pipe 1 from the airflow through pipe, then penetrates into a plurality of silencing holes formed in the surface of the silencing block 3, and enters a plurality of spherical grooves formed in the silencing holes, so that the vibration frequency and the flow rate of the gas can be effectively slowed down, and the gas after exiting from the first silencing pipe 1 enters the second silencing pipe 2, and noise is further reduced by flowing in the second silencing pipe 2; therefore, the technical problem can be necessarily solved, and the realized technical effects are as follows: the flow rate and the vibration frequency of the gas during the discharge are slowed down, thereby playing a good silencing role.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The impedance composite low-noise silencer for the generator set comprises a first silencing pipe (1), and is characterized in that a second silencing pipe (2) is fixedly arranged at one end of the first silencing pipe (1), and silencing blocks (3) are fixedly arranged in the first silencing pipe (1) through a plurality of groups of buffer assemblies;
a plurality of silencing holes are formed in the surface of the silencing block (3), and a plurality of spherical grooves are formed in the silencing holes.
2. The impedance composite low-noise silencer for the generator set according to claim 1, wherein the buffer assembly comprises a mounting block (4) fixedly mounted in the first silencing pipe (1), a limiting rod (5), a moving block (6) slidably sleeved on the limiting rod (5) and a telescopic spring (7) sleeved on the limiting rod (5), a sliding groove is formed in the surface of the mounting block (4), the limiting rod (5) is fixedly mounted in the sliding groove, and two ends of the telescopic spring (7) are fixedly connected with the surface of the moving block (6) and the inner wall of the sliding groove respectively.
3. The impedance composite low-noise silencer for the generator set according to claim 1, wherein an installation sleeve (8) is fixedly installed in the first silencing pipe (1), an installation groove is formed in the inner sleeve wall of the installation sleeve (8), first silencing cotton (9) is fixedly installed in the installation groove, and the first silencing cotton (9) is made of high-temperature-resistant aluminum silicate cotton.
4. The impedance composite low-noise silencer for a generator set according to claim 3, wherein a reflux plate (10) is fixedly arranged on the inner sleeve wall of the installation sleeve (8) through a plurality of connecting blocks, and an arc-shaped reflux groove (11) is formed in the surface of the reflux plate (10).
5. The impedance composite low-noise silencer for the generator set according to claim 1, wherein a rotating block (12) is rotatably installed at one end of the first silencing pipe (1), and a mounting joint (13) with threads is fixedly installed on the surface of the rotating block (12).
6. The impedance composite low-noise silencer for the generator set according to claim 1, wherein a plurality of baffles (14) are fixedly arranged in the second silencing pipe (2), and the baffles (14) are arranged in a staggered mode.
7. The impedance composite low-noise silencer for generator set according to claim 6, wherein a plurality of baffles (14) are fixedly provided with second silencing cotton (15) on the surfaces, and the second silencing cotton (15) is made of high-temperature-resistant aluminum silicate cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320384184.0U CN219366132U (en) | 2023-03-04 | 2023-03-04 | Impedance composite low-noise silencer for generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320384184.0U CN219366132U (en) | 2023-03-04 | 2023-03-04 | Impedance composite low-noise silencer for generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366132U true CN219366132U (en) | 2023-07-18 |
Family
ID=87150234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320384184.0U Active CN219366132U (en) | 2023-03-04 | 2023-03-04 | Impedance composite low-noise silencer for generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366132U (en) |
-
2023
- 2023-03-04 CN CN202320384184.0U patent/CN219366132U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An impedance composite low noise muffler for generator sets Effective date of registration: 20231221 Granted publication date: 20230718 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: SHANDONG HONGKE HYDROPOWER EQUIPMENT CO.,LTD. Registration number: Y2023980073375 |