CN211500427U

CN211500427U - Noise-reduction rainproof ventilation shutter

Info

Publication number: CN211500427U
Application number: CN201921853466.0U
Authority: CN
Inventors: 孙羽; 何晟
Original assignee: Feichao Shanghai Environmental Technology Co ltd
Current assignee: Feichao Shanghai New Materials Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-09-15
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a noise-reduction rainproof ventilation shutter, which comprises a shell, a plurality of louver blade groups which are sequentially arranged at intervals along the vertical direction, a plurality of aluminum fiber sound-absorbing boxes which are sequentially arranged at intervals along the vertical direction, and centrifugal sound-absorbing cotton filled in the aluminum fiber sound-absorbing boxes; the louvre blade group and the aluminum fiber sound absorption box are connected in the shell. The utility model provides a rain-proof ventilation shutter of amortization, the noise that produces in the generating set working process is inhaled sound box and centrifugation by aluminium system fibre and is inhaled the sound cotton and absorb through twice, can reduce the noise to reasonable decibel, and the adjacent aluminium system fibre of air accessible inhales the clearance circulation between the sound box, the radiating effect has been played, furthermore, two shutter plate staggered arrangement in the shutter group, can prevent that the rainwater from flowing in from adjacent shutter plate group clearance, and form two side rain-proof structure, it can roll down automatically to drench the rainwater on the shutter plate, keep off the rainwater and can't get into in the shutter outside, the rain-proof effect has been played.

Description

Noise-reduction rainproof ventilation shutter

Technical Field

The utility model relates to a shutter technical field especially relates to a rain-proof ventilation shutter of amortization.

Background

Wind generating set can produce very big noise at the course of the work, the noise not only can accelerate the building, mechanical structure's ageing, and the noise of discharging the outside through the air outlet can seriously harm people's auditory system, make people tired, deaf, can produce a large amount of heats in the wind generating set course of the work and need circulate and dispel, in addition, the generator inside contains a large amount of electrical components, for the safe work of assurance electrical apparatus, it is waterproof to be decided firmly, therefore need satisfy the shutter that ventilates, amortization and rain-proof requirement simultaneously in air outlet department installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a rain-proof ventilation shutter of amortization, the noise that produces in the generating set working process is inhaled sound box and centrifugation by aluminium system fibre and is inhaled the sound cotton and absorb twice, can reduce reasonable decibel with the noise, and the adjacent aluminium system fibre of air accessible inhales the clearance circulation between the sound box, play the radiating effect, furthermore, two shutter plate staggered arrangement in the shutter group, can prevent that the rainwater from flowing in from adjacent shutter plate group clearance, and form two side rain-proof structures, it can roll automatically to drench the rainwater on the shutter plate, keep off the rainwater and can't get into in the shutter outside, play rain-proof effect.

In order to achieve the purpose, the utility model provides a noise-reduction rainproof ventilation shutter, which comprises a shell, a plurality of louver groups which are sequentially arranged at intervals along the vertical direction, a plurality of aluminum fiber sound-absorbing boxes which are sequentially arranged at intervals along the vertical direction, and centrifugal sound-absorbing cotton filled in the aluminum fiber sound-absorbing boxes; the louver blade group and the aluminum fiber sound absorption box are connected in the shell, and the aluminum fiber sound absorption box is located behind the louver blade group.

In some embodiments, the louver group includes two opposing and offset louvers, the louvers including an angled portion, a first hooking portion at one end of the angled portion, a horizontal portion at the other end of the angled portion, a second hooking portion at a free end of the horizontal portion, and an extension portion connected to the horizontal portion.

In some embodiments, be equipped with the mounting panel in the shell, the mounting panel is equipped with the lug of outside extension, the lug is formed with arcwall face, inclined plane and plane, the first portion joint arcwall face, the slope laminating inclined plane, the horizontal part laminating plane of holding of hooking of a shutter plate in hundred bladesets, still set up the card way of recess and with the recess intercommunication on the mounting panel, the first portion of holding of hooking of another shutter plate in hundred bladesets is connected in the recess, the slope is located the card way.

In some embodiments, the other louver of the set of louvers is located behind the one louver, and the horizontal portion of the other louver is located above the horizontal portion of the one louver.

In some embodiments, the aluminum fiber sound absorption box is formed by bending and welding an aluminum fiber sound absorption plate.

In some embodiments, the housing is formed by bending and welding aluminum alloy plates.

In some embodiments, the aluminum fiber sound-absorbing box is arranged obliquely.

In some embodiments, the dust screen is mounted on the housing and is positioned in front of the louver pack.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a rain-proof ventilation shutter of amortization, the noise that produces in the generating set working process is inhaled sound box and centrifugation by aluminium system fibre and is inhaled the sound cotton and absorb through twice, can reduce the noise to reasonable decibel, and the adjacent aluminium system fibre of air accessible inhales the clearance circulation between the sound box, the radiating effect has been played, furthermore, two shutter plate staggered arrangement in the shutter group, can prevent that the rainwater from flowing in from adjacent shutter plate group clearance, and form two side rain-proof structure, it can roll down automatically to drench the rainwater on the shutter plate, keep off the rainwater and can't get into in the shutter outside, the rain-proof effect has been played.

Drawings

Fig. 1 is a schematic structural view of a sound-deadening rainproof ventilation blind of the present invention;

FIG. 2 is a cross-sectional view taken along A-A in FIG. 1;

FIG. 3 is a partial view of FIG. 2;

FIG. 4 is a schematic view of the structure of the louver of FIG. 2;

fig. 5 is a schematic structural view of the aluminum fiber sound-absorbing box in fig. 2.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

The noise-reduction rainproof ventilation shutter shown in figures 1-5 is installed at an air outlet of a wind generating set and comprises a shell 1, a plurality of louver blade groups 4 which are sequentially arranged at intervals along the vertical direction, a plurality of aluminum fiber sound absorption boxes 2 which are sequentially arranged at intervals along the vertical direction, and centrifugal sound absorption cotton 3 filled in the aluminum fiber sound absorption boxes 2.

Hundred blade group 4, aluminium system fibre sound absorption box 2 all connect in shell 1 and aluminium system fibre sound absorption box 2 is located hundred blade group 4 rear, can avoid the rainwater directly to drench aluminium system fibre sound absorption box 2, influence sound absorbing effect. The louver group 4 and the aluminum fiber sound absorption box 2 can be independently disassembled and assembled, the operation is simple, and the maintenance and the replacement are convenient.

The shell 1 is formed by bending and welding aluminum alloy plates. The dustproof net is characterized by further comprising a dustproof net 6 which is installed on the shell 1 through a bolt 61, wherein the dustproof net 6 is located in front of the louver group 4, and a dustproof effect is achieved.

The louver group 4 includes two louvers 40 arranged in an opposite offset manner, and the louver 40 includes an inclined portion 401, a first hooking portion 402 located at one end of the inclined portion 401, a horizontal portion 403 located at the other end of the inclined portion 401, a second hooking portion 404 located at a free end of the horizontal portion 403, and an extending portion 405 connected to the horizontal portion 403 and extending upward. The inclined part 401 is inclined at an angle of 30-60 degrees, and in the embodiment, the inclined angle is preferably 45 degrees, so that rainwater can slide off conveniently. The extension 405 also acts as a rain shield, preventing rain water from flowing into the gap between adjacent louvre blades 4.

The device also comprises a mounting plate 5 connected to the shell 1, wherein the mounting plate 5 is positioned at two ends in the shell 1. The mounting plate 5 is provided with a convex block 51 extending outwards, the convex block 51 is provided with an arc surface 511, an inclined surface 512 and a plane 513, the first hooking part 402 of one louver 40 in the louver group 4 is clamped with the arc surface 511, the inclined part 401 is attached to the inclined surface 512, and the horizontal part 403 is attached to the plane 513, so that the connection is firm and stable. The mounting plate 5 is further provided with a groove 50 and a blocking channel communicated with the groove 50, the first hooking part 402 of another louver 40 in the louver group 4 is connected in the groove 50, the inclined part 401 is located in the blocking channel, and the connection is firm and stable. The louvres 40 are welded to the mounting plate 5.

Another louvre 40 in louvre group 4 is located a louvre 40 rear, and the horizontal part 403 of another louvre 40 is located the horizontal part 403 top of louvre 40, and two louvre 40 dislocation arrangement can prevent that the rainwater from flowing in from adjacent louvre group 4 clearance, and forms two side rain-proof structure, can keep off the shutter outside with rainwater, guarantees that the rainwater can't get into the shutter inside, and the water that falls on louvre 40 can roll automatically.

The aluminum fiber sound absorption box 2 is formed by bending and welding aluminum fiber sound absorption plates. The aluminum fiber sound absorption box 2 is obliquely arranged, the inclination angle is 30-60 degrees, in the embodiment, the inclination angle is preferably 45 degrees, the contact area between noise and the aluminum fiber sound absorption box 2 is increased, and the noise reduction efficiency is improved. And a gap 20 is formed between the adjacent aluminum fiber sound absorption boxes 2, so that ventilation and heat dissipation are facilitated.

The working principle of the noise-reduction rain-proof ventilation shutter is as follows: the noise that generating set work produced is through the rain-proof ventilation shutter of amortization, inhale sound box 2 through aluminium system fibre earlier, can absorb partial medium-high frequency noise, the cotton 3 absorption is inhaled by the centrifugation to surplus noise, inhale the sound twice, the noise that produces generating set that can be fine reduces to reasonable decibel, the air can circulate through clearance 20, the heat dissipation function has been played, simultaneously when generating set outside has the rainwater, the shutter plate group 4 of arranging through the sawtooth keeps off the shutter outside with the rainwater, it can roll down automatically to drench the rainwater on the shutter plate 40, guarantee that the rainwater can't go on, rain-proof effect has been played.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A noise-reduction rainproof ventilation shutter is characterized by comprising a shell, a plurality of louver groups sequentially arranged at intervals along the vertical direction, a plurality of aluminum fiber sound absorption boxes sequentially arranged at intervals along the vertical direction, and centrifugal sound absorption cotton filled in the aluminum fiber sound absorption boxes; the louver blade group and the aluminum fiber sound absorption box are connected in the shell, and the aluminum fiber sound absorption box is located behind the louver blade group.

2. The noise-reducing, rain-proofing, and ventilating blind according to claim 1, wherein said louver pack includes two louvers arranged in a staggered manner in opposite directions, said louvers including an inclined portion, a first hooking portion at one end of the inclined portion, a horizontal portion at the other end of the inclined portion, a second hooking portion at a free end of the horizontal portion, and an extension portion connected to the horizontal portion.

3. The noise-reduction rainproof ventilation shutter according to claim 2, wherein a mounting plate is arranged in the housing, the mounting plate is provided with a protruding block extending outwards, the protruding block is formed with an arc-shaped surface, an inclined surface and a plane surface, a first hooking part clamping arc-shaped surface, an inclined part laminating inclined surface and a horizontal part laminating plane surface of one louver blade in the louver blade group are further formed on the mounting plate, a groove and a clamping channel communicated with the groove are further formed in the mounting plate, the first hooking part of another louver blade in the louver blade group is connected in the groove, and the inclined part is located in the clamping channel.

4. The acoustic, rain, and ventilation blind of claim 3, wherein another louver of said set of louvers is behind one louver, and the horizontal portion of another louver is above the horizontal portion of one louver.

5. The noise-reduction rain-proof ventilation shutter as claimed in claim 1, wherein the aluminum fiber sound-absorbing box is formed by bending and welding an aluminum fiber sound-absorbing plate.

6. The noise-reduction rain-proof ventilation shutter as claimed in claim 1, wherein the housing is formed by bending and welding aluminum alloy plates.

7. The noise-reducing, rain-proof, and ventilation blind of claim 1, wherein said aluminum fiber sound-absorbing box is disposed in an inclined arrangement.

8. The acoustic, rain and air tight shutter according to claim 1, further comprising a dust screen mounted on the housing, said dust screen being positioned in front of the louvres.