CN212624790U

CN212624790U - Multi-petal matrix silencer

Info

Publication number: CN212624790U
Application number: CN202021940762.7U
Authority: CN
Inventors: 贺颂钧
Original assignee: Guangdong Lanxun Technology Development Co ltd
Current assignee: Guangdong Lanxun Technology Development Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-02-26
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a multi-petal matrix silencer, which comprises a noise elimination body and an installation shell, wherein a plurality of installation supports are arranged in the installation shell at equal intervals, each installation support is arranged in parallel and symmetrically on the front side and the back side of the installation shell, a plurality of noise elimination bodies are arranged side by side and correspond to each other between the front and the back of the installation shell, each noise elimination body is arranged in a matrix form, the noise elimination body comprises a noise elimination framework, noise elimination cotton and a flow guide cover, wherein, the noise elimination framework is made of a microporous plate, the section of the noise elimination framework is in a petal shape formed by jointing a plurality of fan-shaped parts, the noise elimination cotton is filled in the inner cavity of the noise elimination framework, and the two flow guide covers are fixedly arranged at the two ends of the noise elimination framework, the utility model not only increases the section perimeter of the noise elimination body, improves the noise elimination effect, guarantees the sound, the assembly cost is low, and the attractiveness of the silencing equipment is improved.

Description

Multi-petal matrix silencer

Technical Field

The utility model relates to a silencer technical field especially relates to a multi-petal matrix silencer.

Background

The noise is the sound of irregular and disorderly frequency and intensity variation of sound waves. Possible sources of noise are airplanes, cars, factories, construction sites, daily life, etc. Noise is one of environmental pollution, and governments of various countries generally have corresponding laws and regulations to regulate noise.

The noise inside and outside the building environment mainly comes from mechanical equipment, and the mechanical equipment of the air conditioning and ventilating system directly affects the indoor noise environment and also affects the noise environment of the building periphery. Noise has a vital influence on physical and mental health of people, and excessive noise can cause auditory, cardiovascular, nervous, digestive and metabolic functional disorders and diseases. And no noise reduction measures are taken in some occasions and the air conditioning and ventilating system. In some occasions, only simple noise reduction measures are taken, the ventilation rate of the traditional noise elimination equipment is low, the resistance loss is large, the whole ventilation effect is influenced, the structure is complex, the assembly is not easy, the assembly cost is high, and meanwhile, the noise elimination equipment is rough in processing and attractive in appearance.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a multi-petal matrix silencer not only increases the section girth of the noise elimination body, improves the noise elimination effect, guarantees the sound absorption efficiency, greatly reduces the wind resistance in addition, has low assembly cost, and improves the aesthetic measure of the noise elimination equipment.

The purpose of the utility model is realized by adopting the following technical scheme:

the multi-petal matrix silencer comprises a silencing body and a mounting shell, wherein a plurality of mounting brackets are arranged in the mounting shell at equal intervals, the mounting brackets are parallel to each other and are symmetrically arranged on the front side and the rear side of the mounting shell, the mounting brackets are used for mounting and fixing the silencing body, gaps are reserved among the silencing bodies due to the interval arrangement, the ventilation rate is effectively improved, and the resistance is reduced, and a specific mounting bracket can be a steel frame;

the plurality of noise elimination bodies are arranged between the front corresponding installation bracket and the rear corresponding installation bracket side by side, and the noise elimination bodies are arranged in a matrix form, so that the noise elimination bodies have more uniform sound absorption effect, are convenient to process and install and increase the attractiveness; the silencer comprises a silencing framework, silencing cotton and a flow guide cover, wherein the silencing framework is made of a microporous plate, and fine round holes are distributed in the microporous plate, so that the sound-absorbing area of the silencing framework is effectively increased, and the sound-absorbing efficiency is improved; the section of the silencing framework is in a petal shape formed by jointing a plurality of sectors, the silencing framework is in a strip shape and extends forwards and backwards, the silencing cotton is filled in the inner cavity of the silencing framework, and the aim of silencing is achieved through the silencing cotton; the two air guide covers are fixedly arranged at two ends of the silencing framework, wherein the wide end of each air guide cover is connected with the end part of the silencing framework, the narrow end of each air guide cover is fixedly connected with the mounting support through screws, the cross-sectional area of each air guide cover along the position direction of the mounting support is gradually reduced, and the wind resistance is further reduced while the silencing framework is fixed.

Furthermore, the number of the sectors is 6 or more than 6, so that the section perimeter of the noise elimination body 1 is greatly increased, and the noise elimination effect is improved.

Furthermore, the noise reduction cotton comprises one or more of glass cotton or glass fiber cotton, and the glass cotton or the glass fiber cotton has the advantages of high temperature resistance, high hydrophobicity, sound absorption and noise reduction, so that the sound absorption effect is further improved.

Further, the installation shell comprises a metal frame, a civil engineering wall body or a pipeline, and during actual application, the installation support can be fixed at the positions of the metal frame, the civil engineering wall body or the pipeline and the like according to requirements, so that the application range is wide.

Furthermore, the mounting shell comprises a rectangular shape, a circular shape or a polygonal shape, and the mounting bracket can be trimmed along the mounting position according to the requirement so as to meet the mounting requirement, so that the noise elimination body is fixed and can adapt to mounting environments with various shapes.

Furthermore, a reinforcing member is arranged between the mounting brackets and is vertically connected with each mounting bracket, so that the stability of the mounting brackets is improved, and the noise elimination body is more stable.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the petal-shaped silencing framework formed by jointing a plurality of sectors is arranged, so that the perimeter of the silencing body is greatly increased, and the silencing effect is improved; meanwhile, the silencing framework is made of a microporous plate, so that the sound absorption efficiency is improved; the cross section area of the flow guide cover on the silencing framework along the position direction of the connecting and mounting bracket is gradually reduced, and the wind resistance is greatly reduced by matching with the silencing bodies distributed in a matrix; in addition, the muffler body has simple structure and convenient assembly, and greatly reduces the assembly cost; the utility model discloses not only increase the cross-section girth of the noise elimination body, improved noise cancelling effect, guaranteed to inhale sound efficiency, greatly reduced the windage moreover, assembly cost is low, has improved noise elimination equipment's pleasing to the eye degree.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a side sectional view of a muffler body according to an embodiment of the present invention.

In the figure: 1. a muffler body; 11. a silencing framework; 12. silencing cotton; 13. a pod; 2. installing a shell; 3. mounting a bracket; 4. a screw; 5. a reinforcement.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-2, the multi-petal matrix muffler includes a muffler body 1 and a mounting housing 2, a plurality of mounting brackets 3 are arranged in the mounting housing 2 at equal intervals, the mounting brackets 3 are parallel to each other and symmetrically arranged on the front and rear sides of the mounting housing 2, the mounting brackets 3 are used for mounting and fixing the muffler body 1, and the mounting brackets are arranged at intervals so that a gap is left between the muffler bodies 1, thereby effectively improving the ventilation rate and reducing the resistance, and the specific mounting brackets 3 can be made of steel frames;

the plurality of noise elimination bodies 1 are arranged between the front and rear corresponding mounting brackets 3 side by side, and the noise elimination bodies 1 are arranged in a matrix form, so that the noise elimination bodies 1 have more uniform sound absorption effect due to the matrix arrangement, and meanwhile, the processing and the mounting are convenient, and the attractiveness is increased; the silencer body 1 comprises a silencing framework 11, silencing cotton 12 and a flow guide cover 13, wherein the silencing framework 11 is made of a microporous plate (specifically made of automatic forming equipment through bending), and the microporous plate is fully distributed with fine round holes, so that the sound absorption area of the silencing framework 11 is effectively increased, and the sound absorption efficiency is improved; the section of the silencing framework 11 is in a petal shape formed by jointing a plurality of sectors, the silencing framework 11 is in a strip shape and extends forwards and backwards, the silencing cotton 12 is filled in the inner cavity of the silencing framework 11, and the aim of silencing is achieved through the silencing cotton 12;

two the fixed setting of kuppe 13 is in the both ends of noise elimination skeleton 11, kuppe 13 specifically adopt extrusion to make and the narrow end is opened there is the screw hole, wherein, 13 wide ends of kuppe with 11 tip joints of noise elimination skeleton, 13 narrow ends of kuppe pass through screw 4 with installing support 3 is fixed continuous, and kuppe 13 descends along the cross sectional area who connects installing support 3's position direction gradually, in fixed noise elimination skeleton 11, further reduces the windage.

In this embodiment, the number of the sectors is 6 or more than 6, which greatly increases the section perimeter of the muffler body 1 and improves the muffling effect.

In this embodiment, the noise reduction cotton 12 includes one or more of glass cotton or glass fiber cotton, and the glass cotton or glass fiber cotton has the advantages of high temperature resistance, high hydrophobicity, sound absorption and noise reduction, and further improves the sound absorption effect.

In this embodiment, the installation housing 2 includes a metal frame, a civil engineering wall body or a pipeline, and during actual application, the installation support 3 can be fixed at positions such as the inside of the metal frame, the civil engineering wall body or the pipeline as required, so that the application range is wide.

In this embodiment, the shape of the mounting housing 2 includes a rectangle, a circle, or a polygon, and the mounting bracket 3 can be trimmed along the mounting position as required to meet the mounting requirements, so that the muffler body 1 is fixed and can be adapted to mounting environments with various shapes.

In this embodiment, be provided with reinforcement 5 between the installing support 3, reinforcement 5 with each installing support 3 links to each other perpendicularly, the quantity of reinforcement 5 can set up according to actual need, and the middle one line of every five lines of noise elimination bodies 1 is provided with a reinforcement 5 in this embodiment, improves the stability of installing support 3 for noise elimination body 1 is more firm.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. Multilobe shape matrix silencer includes the noise elimination body (1) and installs casing (2), its characterized in that: a plurality of mounting brackets (3) are arranged in the mounting shell (2) at equal intervals, and the mounting brackets (3) are parallel to each other and symmetrically arranged on the front side and the rear side of the mounting shell (2);

a plurality of the noise elimination body (1) sets up two correspondences in front and back side between installing support (3), each the noise elimination body (1) is the matrix and arranges the setting, noise elimination body (1) is including noise elimination skeleton (11), amortization cotton (12) and kuppe (13), wherein, noise elimination skeleton (11) are made for the micropore board, noise elimination skeleton (11) cross-section is the petal form that a plurality of fan-shaped joints formed, amortization cotton (12) are filled the inner chamber of noise elimination skeleton (11), two kuppe (13) are fixed to be set up the both ends of noise elimination skeleton (11), wherein, kuppe (13) wide end with noise elimination skeleton (11) tip joint, kuppe (13) narrow end with installing support (3) are fixed continuous.

2. The multi-lobed matrix muffler of claim 1, wherein: the number of the sectors is 6 or more than 6.

3. The multi-lobed matrix muffler of claim 1, wherein: the sound attenuation cotton (12) comprises one or more of glass cotton or glass fiber cotton.

4. The multi-lobed matrix muffler of claim 1, wherein: the mounting shell (2) comprises a metal frame, a civil engineering wall or a pipeline.

5. The multi-lobed matrix muffler of claim 1, wherein: the shape of the mounting shell (2) comprises a rectangle, a circle or a polygon.

6. The multi-lobed matrix muffler of claim 1, wherein: and reinforcing members (5) are arranged between the mounting brackets (3), and the reinforcing members (5) are vertically connected with the mounting brackets (3).