CN211975331U

CN211975331U - Noise reduction device of air compressor

Info

Publication number: CN211975331U
Application number: CN202020410408.7U
Authority: CN
Inventors: 顾天翔; 亓国梁; 蒋姬
Original assignee: Shanghai Youzi Environmental Technology Co ltd
Current assignee: Shanghai Youzi Environmental Technology Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-20
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a device of making an uproar falls in air relates to the technical field that the air compressor machine was fallen and is fallen, including falling the case of making an uproar, fall the inside room of making an uproar that falls that is provided with of case of making an uproar, fall and be provided with on the case of making an uproar and supply to fall the machine of making an uproar and put into the gate of making an uproar room of making an uproar, articulated on the gate border have the door plant, fall the sound insulation acoustic baffle that the rigid coupling has the sound wave absorption function on the indoor wall of making an uproar, in the room of making. It has the advantage that can make the air compressor machine to the noise that mill went out outside weakens.

Description

Noise reduction device of air compressor

Technical Field

The utility model belongs to the technical field of the technique of making an uproar falls in the air compressor machine and specifically relates to a device of making an uproar falls in air compressor machine is related to.

Background

An air compressor is a device for compressing air, and is a main body of an air source device, which is a device for converting mechanical energy of a prime mover (usually an electric motor) into gas pressure energy, and is an air pressure generating device for compressing air. For the air compressor installed at a position close to a factory boundary, permanent buildings such as an air compressor room and the like can not be built due to planning control, and sound insulation and noise reduction transformation needs to be carried out on the air compressor in order to ensure that the factory boundary noise reaches the standard.

In the prior art, the noise reduction of the air compressor is mostly directly fixed on the air compressor, or the noise reduction is carried out on the reconstruction of the operating part of the air compressor, the research and development cost and the period of the reconstruction of the part are both longer, and the noise reduction device fixed on the air compressor is mostly influenced by the vibration of the air compressor, so that the noise reduction efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device of making an uproar falls in air, it has the advantage that can make the noise that the air compressor machine worn out outside to the factory weakens.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a device of making an uproar falls in air, is provided with the room of making an uproar including making an uproar the case of falling, falls to make an uproar incasement portion and falls to be provided with the gate that supplies to fall the machine of making an uproar and put into the room of making an uproar of falling, and it has the door plant to articulate on the gate border, falls to make an uproar on the indoor wall on the rigid coupling have the sound wave absorption function's sound insulation acoustic baffle, and in the room of making an uproar falls of air compressor machine setting, the exhaust hole.

Through adopting above-mentioned technical scheme, the air compressor machine is located and makes an uproar the indoor, and when the air compressor machine operation, the noise that the air compressor machine produced can be fallen the noise box and fall the indoor wall of making an uproar sound insulation acoustic baffle absorption part on, can guarantee as far as like this that the noise that the air compressor machine produced reaches the standard when transmitting the outside.

The present invention may be further configured in a preferred embodiment as: the indoor air compressor machine of making an uproar falls is provided with porous acoustic baffle towards one side of factory boundary, and porous acoustic baffle includes perforated plate and aporate iron plate, and the perforated plate is in the same place with the aporate iron plate rigid coupling, and the perforated plate is towards the air compressor machine, and the lateral wall rigid coupling that aporate iron plate deviates from the perforated plate is on the sound insulation acoustic baffle.

Through adopting above-mentioned technical scheme, the air compressor machine diverges the noise of factory boundary direction and can at first pass through porous acoustic baffle, porous acoustic baffle is unevenness because there is the existence of perforated plate towards the lateral wall of air compressor machine direction, thereby the noise that makes the transmission come forms more reflection on porous acoustic baffle and has increased porous acoustic baffle's sound absorption efficiency like this, the porousless iron plate inside packing on the porous acoustic baffle has the amortization cotton simultaneously, make the noise by further absorption, and then the noise towards the factory boundary direction that makes the air compressor machine send is absorbed further.

The present invention may be further configured in a preferred embodiment as: the non-porous iron plate is filled with first silencing cotton.

Through adopting above-mentioned technical scheme, first amortization cotton has strengthened the ability of aporate iron plate noise absorption.

The present invention may be further configured in a preferred embodiment as: the upper surface of the noise reduction box is provided with a groove, the edge of the groove in the upper surface of the noise reduction box is provided with an annular sealing groove, a cover plate for sealing the groove is hinged in the sealing groove, the bottom surface of the groove is fixedly connected with a plurality of mounting blocks, and second silencing cotton is filled in the mounting blocks.

Through adopting above-mentioned technical scheme, increased the noise cancelling capacity at the case top of making an uproar, made the top of making an uproar case of making an uproar as far as can not wear out more noise.

The present invention may be further configured in a preferred embodiment as: the mounting blocks are perpendicular to the bottom surface of the groove, and the mounting blocks are uniformly distributed on the bottom surface of the groove.

Through adopting above-mentioned technical scheme, increased the area of contact of second amortization face with the noise for the noise cancelling effect at the case top of making an uproar is better.

The present invention may be further configured in a preferred embodiment as: the upper surface of the mounting block is provided with a mounting hole, the second silencing cotton is filled in the mounting hole, the upper surface of the mounting block is provided with a sealing cover for sealing the mounting hole, and the sealing cover and the mounting block are fixed together through a bolt.

By adopting the technical scheme, the installation and the replacement of the second silencing cotton in the installation block are facilitated.

The present invention may be further configured in a preferred embodiment as: the rigid coupling of air inlet department on the side wall of the noise reduction box has the noise reduction pipe, and the fresh air inlet is located the noise reduction pipe, and the rigid coupling has the polylith to fall the noise reduction board on the noise reduction pipe inner wall, and the polylith falls the noise reduction board and lays along the length direction who falls the noise reduction pipe, all has seted up a plurality of ventilation holes on the polylith falls the noise reduction board, and the ventilation hole on two adjacent noise reduction boards is crisscross distribution.

Through adopting above-mentioned technical scheme, crisscross ventilation hole that distributes is guaranteeing to fall the board of making an uproar and can be ventilated and dispelled the heat in, again can the at utmost make through falling the noise of the board of making an uproar absorb after abundant reflection, avoid falling the indoor noise of making an uproar as far as and outwards spill through the fresh air inlet.

The present invention may be further configured in a preferred embodiment as: the holding tank has been seted up on the intraductal wall of making an uproar that falls between two adjacent boards of making an uproar that fall, and the embedded piece that holds that is equipped with of holding tank holds, holds that the piece intussuseption is filled with the third noise elimination cotton.

Through adopting above-mentioned technical scheme, the noise can be absorbed by the third noise elimination cotton in the holding piece after falling the abundant reflection of board of making an uproar, and then has reduced the noise that gives out in the noise reduction pipe.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the noise reduction box is arranged outside the air compressor, the noise reduction sound absorption plate is arranged in the noise reduction box, the air compressor is positioned in the noise reduction chamber, when the air compressor runs, noise generated by the air compressor can be partially absorbed by the noise reduction box and the sound insulation sound absorption plate on the inner wall of the noise reduction chamber, and therefore the noise generated by the air compressor can be guaranteed to reach the standard when being transmitted to the outside as far as possible;

2. the porous sound absorption plate is arranged on one side of the air compressor facing to the factory boundary, so that the noise emitted by the air compressor facing to the factory boundary is further absorbed;

3. through setting up the air intake department and falling the pipe of making an uproar, fall the pipe inner wall of making an uproar on the rigid coupling polylith and fall the board of making an uproar, fall and set up the ventilation hole on the board of making an uproar, two adjacent ventilation holes staggered distribution on the board of making an uproar make an uproar, make the noise reduction that the room of making an uproar wore out from air.

Drawings

Fig. 1 is a schematic view of the overall structure of a noise reduction device in the present embodiment;

FIG. 2 is a schematic view showing an internal structure of a noise reduction chamber in the present embodiment;

FIG. 3 is a schematic view of a structure of a projected porous sound absorbing panel in this embodiment;

FIG. 4 is a schematic view showing the inner structure of the imperforate iron plate in this embodiment;

FIG. 5 is a schematic view showing the inner structure of the noise reducing pipe in the present embodiment;

FIG. 6 is a schematic view of the bump mounting block structure in this embodiment.

In the figure, 1, a noise reduction box; 11. a noise reduction chamber; 12. a doorway; 13. a door panel; 14. an exhaust hole; 15. an air inlet hole; 16. a groove; 161. mounting grooves; 2. a sound insulation and absorption plate; 3. a porous sound absorbing panel; 31. a perforated plate; 32. a non-porous iron plate; 321. first noise reduction cotton; 4. mounting blocks; 41. mounting holes; 411. second silencing cotton; 42. a sealing cover; 5. a cover plate; 6. a noise reduction tube; 61. a noise reduction plate; 611. a vent hole; 62. accommodating grooves; 7. accommodating the block; 71. filling the groove; 711. third sound-eliminating cotton; 72. fixing the net; 8. an air compressor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 2, for the utility model discloses a device of making an uproar falls in air compressor machine, including the noise reduction case 1 of rectangle, the inside noise reduction chamber 11 that is provided with of noise reduction case 1, be provided with on the lateral wall of noise reduction case 1 one side and supply to fall the gate 12 that the noise reduction machine put into noise reduction chamber 11, it has door plant 13 to articulate on the lateral wall of gate 12, equal rigid coupling has sound insulation acoustic baffle 2 that has the sound wave absorption function on the noise reduction chamber 11 inner wall, air compressor machine 8 sets up in noise reduction chamber 11, set up the fresh air inlet 15 and the exhaust hole 14 of rectangle on the lateral wall at gate 12 place on the noise reduction case 1, fresh air inlet 15 and exhaust hole 14 are located the both sides of door plant 13 respectively, air. The air inlet holes 15 are formed in the bottom of the noise reduction box 1.

The air compressor 8 is located the chamber of making an uproar 11 that falls, and when the operation of air compressor 8, the noise that the air compressor 8 produced can be absorbed partly by noise reduction box 1 and the sound insulation acoustic baffle 2 on the chamber of making an uproar 11 inner wall that falls, can guarantee as far as like this that the noise that the air compressor 8 produced reaches the standard when transmitting the outside.

Referring to fig. 3 and 4, a rectangular perforated sound absorbing panel 3 is disposed on a side of the air compressor 8 facing the factory boundary in the noise reduction chamber 11, the perforated sound absorbing panel 3 includes a rectangular perforated panel 31 and a rectangular non-porous iron panel 32, the perforated panel 31 is parallel to and fixedly connected to the non-porous iron panel 32, and an outer circumferential surface of the perforated panel 31 is aligned with an outer circumferential surface of the non-porous iron panel 32. The porous plate 31 faces the air compressor 8, and the side wall of the non-porous iron plate 32, which is far away from the porous plate 31, is fixedly connected to the sound insulation and absorption plate 2. The non-porous iron plate 32 is filled with first silencing cotton 321 (see fig. 5). Porous acoustic baffle 3 passes through the bolt fastening on the inner wall of making an uproar room 11, and it has the screw hole to reserve on other inside of making an uproar room 11, no matter which lateral wall of making an uproar room 11 is next to the factory boundary like this, all can install porous acoustic baffle 3 on its upper limit, and through setting up like this, the noise that air compressor machine 8 dispersed the factory boundary direction can be at first through porous acoustic baffle 3, porous acoustic baffle 3 is unevenness because of there being the existence of perforated plate 31 towards the lateral wall of 8 directions of air compressor machine, thereby make the noise that the transmission was come form more reflections on porous acoustic baffle 3 and increased porous acoustic baffle 3's sound absorption efficiency, the inside packing of pore-free iron plate 32 on porous acoustic baffle 3 has first amortization cotton 321 simultaneously, make the noise be further absorbed, and then make the noise that air compressor machine 8 sent towards the factory boundary direction be further absorbed.

Referring to fig. 1 and 2, a rectangular groove 16 is formed in the upper surface of the noise reduction box 1, an annular mounting groove 161 is formed in the edge of the groove 16 in the upper surface of the noise reduction box 1, a cover plate 5 for sealing the groove 16 is hinged in the mounting groove 161, and the upper surface of the cover plate 5 is flush with the upper surface of the noise reduction box 1. The bottom surface of the groove 16 is fixedly connected with a plurality of mounting blocks 4, the mounting blocks 4 are perpendicular to the bottom surface of the groove 16, and the mounting blocks 4 are uniformly distributed on the bottom surface of the groove 16.

Referring to fig. 5, a mounting hole 41 is formed in the upper surface of the mounting block 4, the mounting hole 41 is arranged along the length direction of the mounting block 4, the mounting hole 41 is filled with second silencing cotton 411, a sealing cover 42 is arranged on the upper surface of the mounting block 4, the sealing cover 42 seals the mounting hole 41, and the sealing cover 42 and the mounting block 4 are fixed together through bolts.

Through setting up the noise that air compressor machine 8 sent upwards like this and can passing through recess 16, the noise can be as much as possible when passing through recess 16 by the cotton 411 absorption of second amortization in the installation piece 4, the installation piece 4 sets up with the bottom surface of recess 16 is perpendicular, has increased the area of contact between the cotton 411 of second amortization in installation piece 4 and the noise, and then makes the noise absorb more fully. The cooperation of the mounting block 4 and the sealing plate makes the second silencing cotton 411 in the mounting block 4 more convenient to replace.

Referring to fig. 1, fig. 6, the rigid coupling of air intake department on the side wall of noise reduction box 1 has the noise reduction pipe 6 of rectangle, and fresh air inlet 15 is located noise reduction pipe 6, and the rigid coupling has the polylith to fall on the 6 inner walls of noise reduction pipe and falls board 61, and the polylith falls board 61 and evenly lays along the length direction who falls noise reduction pipe 6, and a plurality of ventilation holes 611 have all been seted up on the board 61 is fallen to the polylith, and ventilation holes 611 on two adjacent noise reduction boards 61 are crisscross distribution. The staggered ventilation holes 611 ensure ventilation and heat dissipation of the noise reduction plate 61, and simultaneously, noise passing through the noise reduction plate 61 can be absorbed after being sufficiently reflected to the greatest extent, so that the noise in the noise reduction chamber 11 is prevented from being radiated outwards through the air inlet holes 15 as far as possible.

All seted up holding tank 62 on the upper wall and the lower wall of falling between the 6 inner peripheral surfaces of noise reduction pipe between two adjacent fall board 61 in the noise reduction pipe 6, the piece 7 is held to the embedded holding tank of being equipped with of holding tank 62, holds the lateral wall that piece 7 deviates from holding tank 62 ground and the inner peripheral surface parallel and level of noise reduction pipe 6. The sidewall of the accommodating block 7 away from the bottom surface of the accommodating groove 62 is provided with a filling groove 71, and the filling groove 71 is filled with a third sound absorbing cotton 711. The fixing net 72 for preventing the third silencing cotton 711 from falling off from the filling groove is fixed on the inner peripheral surface of the filling groove. The noise is sufficiently reflected by the noise reduction plate 61 and then absorbed by the third noise reduction cotton 711 in the accommodating block 7, thereby reducing the noise emitted from the noise reduction pipe 6.

The implementation principle of the embodiment is as follows: the air compressor 8 is located the room 11 of making an uproar that falls, when the operation of air compressor 8, the noise towards the factory boundary in the room 11 of making an uproar that falls can be absorbed partly when passing through porous acoustic baffle 3 and sound insulation acoustic baffle 2, can guarantee as far as like this that the noise that the air compressor 8 produced reaches the standard when transmitting the outside. Meanwhile, noise in the noise reduction chamber 11 is partially absorbed by the noise reduction pipe 6 when passing through the ventilation hole 611. Thus, the noise passing through the noise reduction chamber 11 can be ensured to reach the national standard as much as possible.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a device of making an uproar falls in air compressor machine which characterized in that: including making an uproar case (1) fall, it falls chamber (11) of making an uproar to fall case (1) inside being provided with, it falls gate (12) that the machine of making an uproar put into the chamber (11) of making an uproar to fall to be provided with on case (1) of making an uproar and fall, it has door plant (13) to articulate on gate (12) border, it has sound wave absorbing's sound insulation acoustic baffle (2) to fall the sound insulation acoustic baffle of rigid coupling on chamber (11) inner wall of making an uproar, in the chamber (11) of making an uproar falls that air compressor machine (8) set up, exhaust hole (14) have been seted up on the lateral wall of the case (1) of making an uproar.

2. The noise reduction device of the air compressor according to claim 1, wherein: one side of air compressor (8) towards the factory boundary in noise reduction room (11) is provided with porous acoustic baffle (3), and porous acoustic baffle (3) include perforated plate (31) and aporate iron plate (32), and perforated plate (31) and aporate iron plate (32) rigid coupling are in the same place, and perforated plate (31) are towards air compressor machine (8), and aporate iron plate (32) deviate from the lateral wall rigid coupling of perforated plate (31) on sound insulation acoustic baffle (2).

3. The noise reduction device of the air compressor according to claim 2, wherein: the non-porous iron plate (32) is filled with first silencing cotton (321).

4. The noise reduction device of the air compressor according to claim 1, wherein: the upper surface of noise reduction box (1) is seted up flutedly (16), and annular seal groove has been seted up to recess (16) border department of noise reduction box (1) upper surface, and it has apron (5) with recess (16) confined to articulate in the seal groove, and the rigid coupling has a plurality of installation pieces (4) on the bottom surface of recess (16), and installation piece (4) intussuseption is filled with second amortization cotton (411).

5. The noise reduction device of the air compressor according to claim 4, wherein: the mounting blocks (4) are perpendicular to the bottom surface of the groove (16), and the mounting blocks (4) are uniformly distributed on the bottom surface of the groove (16).

6. The noise reduction device of the air compressor according to claim 5, wherein: the upper surface of the mounting block (4) is provided with a mounting hole (41), the second silencing cotton (411) is filled in the mounting hole (41), the upper surface of the mounting block (4) is provided with a sealing cover (42) for sealing the mounting hole (41), and the sealing cover (42) and the mounting block (4) are fixed together through bolts.

7. The noise reduction device of the air compressor according to claim 1, wherein: air inlet department rigid coupling on noise reduction box (1) lateral wall has noise reduction pipe (6), and fresh air inlet (15) are located noise reduction pipe (6), and the rigid coupling has the polylith to fall noise reduction board (61) on noise reduction pipe (6) inner wall, and the polylith falls noise reduction board (61) and lays along the length direction who falls noise reduction pipe (6), all has seted up a plurality of ventilation holes (611) on the polylith fall noise reduction board (61), and ventilation hole (611) on two adjacent noise reduction boards (61) are crisscross the distribution.

8. The noise reduction device of the air compressor according to claim 7, wherein: holding tank (62) have been seted up on making an uproar pipe (6) inner wall between two adjacent board (61) of making an uproar fall in the pipe (6) of making an uproar, piece (7) are held to embedded being equipped with of holding tank (62), hold piece (7) intussuseption and be filled with third noise elimination cotton (711).