CN217841796U

CN217841796U - Silencer of small generator

Info

Publication number: CN217841796U
Application number: CN202221860986.6U
Authority: CN
Inventors: 洪玲
Original assignee: Zhejiang Makeway Machinery Co ltd
Current assignee: Zhejiang Makeway Machinery Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-18
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a silencer of small-sized generator aims at providing a silencer of small-sized generator who is applicable to the volume less, and its technical scheme main points are, the on-line screen storage device comprises a base, still be equipped with silencing device on the base, silencing device is including being located the lower housing that is equipped with on the base, still be equipped with housing confined lower acoustic celotex board down on the housing, be equipped with the through-hole that link up with housing down on the acoustic celotex board down, the acoustic celotex board top still is equipped with the acoustic celotex board down, form the chamber of ventilating down between acoustic celotex board and the last acoustic celotex board, it is equipped with the air vent to ventilate chamber one side, still be equipped with the housing down on the housing, go up and still be equipped with the air inlet on the housing.

Description

Silencer of small generator

Technical Field

The utility model relates to a power generation facility field, concretely relates to small-size generator muffler.

Background

The silencer is used for the airflow pipeline with noise transmission, and can attenuate or reflect the noise in the pipeline by using noise reduction devices such as pipelines and elbows with sound absorption linings or pipelines with suddenly changed sectional areas and other discontinuous acoustic impedances. The former is called resistive muffler, the latter is called reactive muffler, and there are also impedance compound mufflers.

At present, chinese patent with publication number CN216554118U discloses a container generator set smoke exhaust silencer, which comprises a silencer shell, wherein inner smoke exhaust structures are arranged at two ends of the silencer shell, a smoke exhaust pipe is arranged at the front end of the inner smoke exhaust structure at the front end of the silencer shell, a flange connection structure is arranged on the side wall of the rear end of the silencer shell, a glass fiber cotton plate is arranged on the inner side of the outer side of the silencer shell, an outer galvanized pore plate is arranged on the inner side of the glass fiber cotton plate, and a tail sealing plate is arranged on the inner side of the outer galvanized pore plate.

Although the container generator set smoke exhaust silencer can be provided with two groups of flange connection structures, the smoke exhaust of a diesel generator set can be integrated on the same silencer for noise reduction, so that the number of interfaces of the silencer is reduced, the possibility of rain leakage is reduced, and the production process of the silencer is simpler; through setting up the cotton board of glass fiber, can reach and utilize the cotton absorption of glass fiber to the noise, the noise reduction effect of reinforcing muffler, but often be not suitable for miniature generator.

Disclosure of Invention

The utility model aims at providing a small-size generator muffler, it has the size less, is applicable to small-size generator, the less advantage of required installation space simultaneously.

The above technical object of the present invention can be achieved by the following technical solutions:

the utility model provides a small-size generator muffler, includes the base, still is equipped with silencing device on the base, silencing device is including being located the lower housing that is equipped with on the base, still be equipped with down housing confined acoustic celotex board down on the housing, be equipped with the through-hole that link up with the housing down on the acoustic celotex board down, the acoustic celotex board top still is equipped with down, form the chamber of ventilating down between acoustic celotex board and the last acoustic celotex board, it is equipped with the air vent to ventilate chamber one side, still be equipped with the housing down on the housing, go up and still be equipped with the air inlet on the housing.

Further setting: the upper sound insulation plate is also provided with a plurality of air holes.

Further setting: the base below still is equipped with the mounting panel, be equipped with the mounting hole that runs through to the base on the mounting panel.

Further setting: and one side of the base is provided with a connecting hole connected with the mounting plate.

Further setting: and a bead is arranged between the upper cover shell and the lower cover shell.

Further setting: the base is further provided with a protection device, and the protection device comprises a shell body wrapping the upper cover shell and the lower cover shell.

Further setting: and a connecting sheet connected with the edge is further arranged on one side of the shell.

Further setting: the surface of the shell is provided with a plurality of radiating grooves.

To sum up, the utility model discloses following beneficial effect has: on can effectually being applicable to small-size generator, occupation space is less simultaneously to lower housing and last housing through using the slant to set up reduce occupation space, and the effect of inside design clearance acoustic celotex board makes gas make a round trip between last acoustic celotex board and lower acoustic celotex board, thereby the energy that gas contained falls in the release, reduces the sending of sound, finally reaches the purpose of amortization.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a silencer of a small generator;

fig. 2 is a schematic diagram of a silencer of a small generator for showing the internal structure.

In the figure, 1, a base; 2. a silencer device; 21. a lower housing shell; 22. a lower acoustic panel; 23. a through hole 24, an upper baffle; 25. a vent lumen; 26. a vent hole; 27; an upper housing; 28. an air inlet; 3. air holes; 4. mounting a plate; 5. mounting holes; 6. connecting holes; 7. an edge; 8. a protection device; 81. a housing; 82. connecting sheets; 83. a heat dissipation groove.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

The utility model adopts the technical proposal that: a silencer of a small generator is disclosed, as shown in fig. 1 and fig. 2, comprising a base 1, wherein the base 1 is further provided with a silencer 2, the silencer 2 comprises a lower housing 21 arranged on the base 1, the lower housing 21 is further provided with a lower baffle 22 for sealing the lower housing 21, the lower baffle 22 is provided with a through hole 23 communicated with the lower housing 21, an upper baffle 24 is further arranged above the lower baffle 22, a vent cavity 25 is formed between the lower baffle 22 and the upper baffle 24, one side of the vent cavity 25 is provided with a vent hole 326, the lower housing 21 is further provided with an upper housing 27, and the upper housing 27 is further provided with an air inlet 28. Still be equipped with edgewise 7 between last housing 27 and the lower housing 21, still be equipped with a plurality of gas pockets 3 on the last acoustic celotex board 24, and base 1 below still is equipped with mounting panel 4, is equipped with the mounting hole 5 that runs through to base 1 on the mounting panel 4, and base 1 one side is equipped with the connecting hole 6 of being connected with mounting panel 4.

The base 1 is further provided with a protection device 8, the protection device 8 comprises a shell 81 which wraps the upper housing 27 and the lower housing 21, one side of the shell 81 is further provided with a connecting sheet 82 which is connected with the edge 7, and meanwhile the surface of the shell 81 is provided with a plurality of radiating grooves 83.

The main working principle is as follows, gas and noise generated by the gas can directly enter the lower housing 21 through the gas inlet 28, the gas and sound in the lower housing 21 can enter the ventilation cavity 25 through the through hole 23 on the lower sound-proof plate 22, a part of the gas can be exhausted out through the vent hole 326, the other part of the gas and sound can enter the space formed between the upper sound-proof plate 24 and the upper housing 27 through the gas hole 3 and can be dissipated through energy, then the gas and sound returns to the space between the lower sound-proof plate 22 and the upper sound-proof plate 24 from the gas hole 3 and finally is exhausted through the vent hole 26, the whole gas and sound operation track is weakened through multiple structures, the noise emission can be greatly reduced, the noise reduction function of the whole equipment is effectively ensured, meanwhile, the occupied space of the equipment is small, the space utilization rate can be ensured to the maximum extent through oblique arrangement, meanwhile, the protection device 8 can effectively reduce the damage to the equipment on one hand, and can play a role of heat dissipation, and effectively ensure the stable operation of the whole equipment.

The above is the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A small-size generator muffler includes base (1), its characterized in that: still be equipped with silencing device (2) on base (1), silencing device (2) are including being located lower housing (21) that is equipped with on base (1), still be equipped with down housing (21) confined acoustic celotex board (22) on lower housing (21), be equipped with through-hole (23) that link up with lower housing (21) down on acoustic celotex board (22), acoustic celotex board (22) top still is equipped with down and goes up acoustic celotex board (24), it ventilates chamber (25) to form between acoustic celotex board (22) and last acoustic celotex board (24) down, it is equipped with air vent (26) to ventilate chamber (25) one side, still be equipped with on lower housing (21) and go up housing (27), it still is equipped with air inlet (28) on housing (27).

2. A silencer for small-sized generators according to claim 1, wherein: the upper sound insulation plate (24) is also provided with a plurality of air holes (3).

3. A silencer for a miniature generator according to claim 2, wherein: base (1) below still is equipped with mounting panel (4), be equipped with mounting hole (5) that run through to base (1) on mounting panel (4).

4. A silencer for miniature generators according to claim 3, wherein: and one side of the base (1) is provided with a connecting hole (6) connected with the mounting plate (4).

5. A silencer for a miniature generator according to claim 4, wherein: a bead (7) is also arranged between the upper cover shell (27) and the lower cover shell (21).

6. The silencer for small power generators of claim 5, wherein: still be equipped with protection device (8) on base (1), protection device (8) are including casing (81) of parcel upper shield shell (27) and lower housing (21).

7. The silencer for small power generators of claim 6, wherein: and a connecting sheet (82) connected with the edge (7) is further arranged on one side of the shell (81).

8. A silencer for a miniature generator according to claim 7, wherein: the surface of the shell (81) is provided with a plurality of radiating grooves (83).