CN217999424U

CN217999424U - V-shaped louver noise elimination device

Info

Publication number: CN217999424U
Application number: CN202222020031.6U
Authority: CN
Inventors: 张新; 王建超
Original assignee: Nanjing Manse Acoustic Technique Co ltd
Current assignee: Nanjing Manse Acoustic Technique Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-09
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a V-arrangement tripe noise eliminator belongs to noise elimination equipment technical field. The V-shaped louver noise elimination device comprises a noise elimination frame, wherein an upper noise elimination block is arranged at the top in the noise elimination frame, and a lower noise elimination block is arranged at the bottom in the noise elimination frame; a plurality of louver noise elimination sheets are arranged between the upper noise elimination block and the lower noise elimination block; the louver noise elimination sheets are uniformly distributed at intervals, and when sound passes through gaps among the louver noise elimination sheets, the sound is reflected by the sound facing surfaces of the louver noise elimination sheets and then is absorbed by the sound absorption surfaces of the adjacent louver noise elimination sheets, so that sound insulation and noise elimination are realized. The cross section of each louver noise elimination sheet of the V-shaped louver noise elimination device is V-shaped, the protruding part is upward in the sound facing surface, the concave part is downward in the sound absorbing surface, and when sound passes through gaps among the louver noise elimination sheets, the sound is reflected by the sound facing surface of the louver noise elimination sheet and then is absorbed by the sound absorbing surface of the adjacent louver noise elimination sheet, so that sound insulation and noise elimination are realized.

Description

V-shaped louver noise elimination device

Technical Field

The utility model relates to a noise elimination equipment technical field, in particular to V-arrangement tripe noise eliminator.

Background

Commercial houses, industrial plants, large equipment rooms, air conditioning rooms and the like all need long-time large-flow air circulation, so the places usually adopt practical shutters or louvered doors to realize air circulation, but equipment in the places operates to generate strong noise to pollute noise environment around buildings, and the traditional shutters or louvered doors mainly have the functions of ventilation and heat dissipation and hardly achieve the effects of noise elimination and noise reduction. Therefore, a louver noise elimination device is urgently needed, and can achieve the effects of ventilation, heat dissipation and noise elimination.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a V-arrangement tripe noise eliminator to solve traditional shutter or shutter door and only can realize ventilation cooling's effect, hardly reach noise elimination and noise reduction effect's problem.

In order to solve the technical problem, the utility model provides a V-shaped louver noise elimination device, which comprises a noise elimination frame, wherein an upper noise elimination block is arranged at the top part in the noise elimination frame, and a lower noise elimination block is arranged at the bottom part;

a plurality of louver noise elimination sheets are arranged between the upper noise elimination block and the lower noise elimination block;

the louver noise elimination sheets are uniformly distributed at intervals, and when sound passes through gaps among the louver noise elimination sheets, the sound is reflected by the sound facing surfaces of the louver noise elimination sheets and then is absorbed by the sound absorption surfaces of the adjacent louver noise elimination sheets, so that sound insulation and noise elimination are realized.

Preferably, the cross section of the louver noise elimination sheet is V-shaped, the convex part faces upwards, and the concave part faces downwards.

Preferably, the raised part of the louver noise-reduction sheet is a sound-facing surface and is made of galvanized steel plates, and the surface of the louver noise-reduction sheet is subjected to plastic spraying treatment.

Preferably, the sound absorption surface of the concave part of the louver silencing piece is made of galvanized perforated steel plates, and the surface of the louver silencing piece is subjected to plastic spraying treatment.

Preferably, 32k glass wool with the thickness of 100mm is filled in the louver silencing pieces, and the fireproof hydrophobic non-woven fabric is wrapped outside the glass wool.

Preferably, a plurality of the louver muffling sheets are uniformly distributed in the muffling frame along the vertical direction, and two ends of the louver muffling sheets are fixedly connected with the muffling frame.

Preferably, one surface of the upper silencing block facing the louver silencing pieces is provided with a silencing groove for absorbing sound reflected by the sound facing surface of the adjacent louver silencing pieces.

Preferably, one surface of the lower sound attenuation block facing the louver sound attenuation sheets is provided with a sound receiving block, and the sound receiving block can reflect the sound at the bottom to the sound absorption surface of the adjacent louver sound attenuation sheets for absorption.

Preferably, the silencing frame is made of galvanized steel plates, and the surface of the silencing frame is subjected to plastic spraying treatment.

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

1. the cross section of each louver noise elimination sheet of the V-shaped louver noise elimination device is V-shaped, the protruding part is upward in the sound facing surface, the concave part is downward in the sound absorbing surface, and when sound passes through gaps among the louver noise elimination sheets, the sound is reflected by the sound facing surface of the louver noise elimination sheet and then is absorbed by the sound absorbing surface of the adjacent louver noise elimination sheet, so that sound insulation and noise elimination are realized.

2. According to the V-shaped louver noise elimination device, 32k glass wool with the thickness of 100mm is filled in the louver noise elimination sheets, and noise is absorbed through the glass wool, so that the louver noise elimination sheets are prevented from leaking.

3. The louver noise elimination sheets of the V-shaped louver noise elimination device are of a symmetrical structure, indoor noise can be prevented from leaking out, outdoor noise can be prevented from entering the room, and therefore the indoor noise influence is avoided.

Drawings

Fig. 1 is a schematic structural view of a V-shaped louver noise-eliminating device provided by the present invention;

FIG. 2 is a schematic view of the internal structure of a V-shaped louver noise-eliminating device provided by the present invention;

FIG. 3 is a side cross-sectional view of a V-shaped louver noise-abatement device provided by the present invention;

FIG. 4 is a schematic view of the installation of the V-shaped louver noise-eliminating device arranged side by side according to the present invention;

FIG. 5 is a schematic view of the installation of the overlapped V-shaped louver noise-eliminating device provided by the present invention;

fig. 6 is an installation schematic diagram of the V-shaped louver noise elimination device vertically arranged in the utility model.

In the figure: 1. a sound-deadening frame; 2. an upper noise elimination block; 3. a lower noise elimination block; 4. a louver silencing sheet; 401. a boss portion; 402. an inner concave portion; 201. a sound absorption groove; 301. a sound-facing block; 100. v-arrangement tripe noise eliminator.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example one

The utility model provides a V-shaped louver noise elimination device 100, please refer to fig. 1 and 2, which comprises a noise elimination frame 1, wherein an upper noise elimination block 2 is arranged at the top part in the noise elimination frame 1, and a lower noise elimination block 3 is arranged at the bottom part; a plurality of shutter silencing sheets 4 are arranged between the upper silencing block 2 and the lower silencing block 3; the louver noise elimination sheets 4 are uniformly distributed at intervals, and when sound passes through gaps among the louver noise elimination sheets 4, the sound is reflected by the sound facing surfaces of the louver noise elimination sheets 4 and then is absorbed by the sound absorbing surfaces of the adjacent louver noise elimination sheets 4, so that sound insulation and noise elimination are realized.

Specifically, referring to fig. 1 to 3, the cross section of the louver noise-reduction sheet 4 is V-shaped, the convex portion 401 faces upward, and the concave portion 402 faces downward; the convex part 401 of the louver silencing piece 4 is a sound-facing surface and is made of galvanized steel plates, the surface of the louver silencing piece is subjected to plastic spraying treatment, and the louver silencing piece is good in wear resistance and corrosion resistance; the sound absorption surface is made by the galvanized perforated steel plate to the concave part 402 position of tripe noise damping piece 4, and the plastic-blasting is done on the surface, and wear-resisting corrosion resisting property is good, and sound process during the gap between tripe noise damping piece 4, can pass through earlier bellying 401 promptly and meet the sound surface reflection and then get into the sound absorption surface that is of interior concave part 402, and tripe noise damping piece 4 inside is filled with the 32k glass cotton that 100mm is thick, just the cotton outside parcel of glass has fire prevention hydrophobic non-woven fabrics, absorbs sound through the glass cotton.

Specifically, the plurality of louver noise elimination sheets 4 are uniformly distributed in the noise elimination frame 1 along the vertical direction, and two ends of each louver noise elimination sheet 4 are fixedly connected with the noise elimination frame 1, so that the plurality of louver noise elimination sheets 4 are arranged in parallel, and the noise elimination effect at each position is ensured to be the same while the air circulation is not influenced.

Specifically, one surface of the upper silencing block 2 facing the louver silencing pieces 4 is provided with a silencing groove 201 for absorbing sound reflected by the sound facing surface of the adjacent louver silencing pieces 4, so that sound leakage does not occur at the top of the V-shaped louver silencing device.

Specifically, one surface of the lower noise elimination block 3 facing the louver noise elimination sheets 4 is provided with a sound meeting block 301, and the sound meeting block 301 can reflect the sound at the bottom to the sound absorption surface adjacent to the louver noise elimination sheets 4 for absorption, so that sound leakage does not occur at the bottom of the V-shaped louver noise elimination device.

Specifically, the silencing frame 1 is made of galvanized steel plates, the surface of the silencing frame is subjected to plastic spraying treatment, and the silencing frame is good in wear resistance and corrosion resistance.

In some embodiments, as shown in fig. 4, when the vent area is large, multiple groups of the V-shaped louver noise dampers 100 may be arranged in a row and a column, and two adjacent groups of the V-shaped louver noise dampers 100 are fixedly connected by a connecting member; the drawings of the present embodiment only show two sets of the V-shaped louver noise dampers 100 arranged in a row, and in practical use, the V-shaped louver noise dampers can be installed in a row for use.

In some embodiments, as shown in fig. 5, when the indoor equipment has a large noise, a plurality of sets of the V-shaped louver noise dampers 100 may be arranged in an overlapping manner, so as to enhance the noise reduction effect of the V-shaped louver noise dampers 100; the drawings of the embodiment only show that two groups of V-shaped louver noise-eliminating devices 100 are arranged in an overlapping mode, and multiple groups of V-shaped louver noise-eliminating devices can be arranged in an overlapping mode according to the situation of field noise in actual use.

In some embodiments, as shown in fig. 6, when the ventilation opening is non-planar, two adjacent groups of V-shaped louver muffling devices 100 are connected by a hinge in a rotating manner, and the V-shaped louver muffling devices 100 are rotated to form an included angle between the two adjacent groups of V-shaped louver muffling devices 100, so as to cover the whole ventilation opening; the drawing of this embodiment only shows the installation schematic diagram of two sets of V-shaped louver noise dampers 100 arranged vertically, and in practical use, multiple sets of V-shaped louver noise dampers 100 can be installed according to the shapes and positions of the ventilation openings, and the angle between two adjacent sets is adjusted to cover the whole ventilation opening, thereby enhancing the noise reduction effect.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A V-shaped louver noise elimination device (100) is characterized by comprising a noise elimination frame (1), wherein an upper noise elimination block (2) is arranged at the top in the noise elimination frame (1), and a lower noise elimination block (3) is arranged at the bottom;

a plurality of louver noise elimination sheets (4) are arranged between the upper noise elimination block (2) and the lower noise elimination block (3);

the louver noise elimination sheets (4) are uniformly distributed at intervals, and when sound passes through gaps among the louver noise elimination sheets (4), the sound is reflected by the sound facing surface of the louver noise elimination sheets (4) and then is absorbed by the sound absorbing surface of the adjacent louver noise elimination sheets (4), so that sound insulation and noise elimination are realized.

2. A V-shaped louvre muffling device (100) according to claim 1, wherein the cross-section of the louvre muffling sheets (4) is V-shaped, with the convex portion (401) facing upwards and the concave portion (402) facing downwards.

3. The V-shaped louver noise-eliminating device (100) as claimed in claim 2, wherein the raised portion (401) of the louver noise-eliminating sheet (4) is a sound-facing surface, made of galvanized steel plate, and the surface is subjected to plastic spraying.

4. The V-shaped louver noise-eliminating device (100) as claimed in claim 2, wherein the concave part (402) of the louver noise-eliminating plate (4) is a sound-absorbing surface made of galvanized perforated steel plate and the surface is subjected to plastic spraying.

5. The V-shaped louver noise elimination device (100) as claimed in claim 2, wherein the louver noise elimination sheet (4) is filled with 32k glass wool with the thickness of 100mm, and the glass wool is wrapped with fire-proof hydrophobic non-woven fabric.

6. The V-shaped louver noise elimination device (100) as recited in claim 1, wherein a plurality of the louver noise elimination sheets (4) are uniformly distributed in the noise elimination frame (1) along the vertical direction, and both ends of the louver noise elimination sheets (4) are fixedly connected with the noise elimination frame (1).

7. A V-shaped louvre muffling device (100) according to claim 1, wherein the side of the upper muffling block (2) facing the louvre muffling plates (4) is provided with sound-absorbing grooves (201) for absorbing the sound reflected by the sound-facing side of the adjacent louvre muffling plates (4).

8. A V-shaped louvered muffling device (100) according to claim 1, wherein a sound-receiving block (301) is disposed on a side of the lower muffling block (3) facing the louvered muffling plates (4), and the sound-receiving block (301) can reflect bottom sound to a sound-absorbing surface of the adjacent louvered muffling plates (4) for absorption.

9. A V-shaped louvre silencing device (100) as claimed in claim 1, wherein said silencing frame (1) is made of galvanized steel and is surface-treated by spraying plastics.