CN212716897U - Air exhaust silencer for unit - Google Patents

Air exhaust silencer for unit Download PDF

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Publication number
CN212716897U
CN212716897U CN202021537117.0U CN202021537117U CN212716897U CN 212716897 U CN212716897 U CN 212716897U CN 202021537117 U CN202021537117 U CN 202021537117U CN 212716897 U CN212716897 U CN 212716897U
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China
Prior art keywords
sound
sound insulation
board
insulation box
proof
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Active
Application number
CN202021537117.0U
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Chinese (zh)
Inventor
张旭
富君轶
汤宸璐
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Shanghai Haishi Environmental Technology Consulting Co ltd
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Shanghai Haishi Environmental Technology Consulting Co ltd
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Priority to CN202021537117.0U priority Critical patent/CN212716897U/en
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Abstract

The utility model discloses an exhaust silencer for a unit, which comprises a sound insulation box body, wherein a first sound absorption cotton layer is arranged on the inner wall of the sound insulation box body, the bottom of the inner cavity of the sound insulation box body is provided with a power unit through a shock absorption seat, one side of the sound insulation box body is provided with an air outlet, the top of the sound insulation box body is provided with a first sound insulation board which is vertically downward and is just opposite to the air outlet, the bottom sides of the first sound insulation board and the sound insulation box body are provided with an air outlet channel, a second sound insulation board which is vertically downward is arranged on one side of the sound insulation box body and is positioned on the first sound insulation board, the first sound-proof board and the second sound-proof board form a sound-proof smoke-discharging cavity channel, the top of the sound-proof smoke-discharging cavity channel is provided with an air-discharging silencer, the air outlet of the power unit is connected with an air exhaust silencer through a damping corrugated pipe, and a first air exhaust and sound absorption baffle with a honeycomb structure is installed at the air outlet through a screw. The utility model discloses have the good advantage of ventilation cooling effect again when having better syllable-dividing noise reduction's characteristics.

Description

Air exhaust silencer for unit
Technical Field
The utility model relates to a unit amortization technical field specifically is a unit is with amortization machine of airing exhaust.
Background
With the development of society and the improvement of the living standard of people, in modern civil buildings, the types and the number of mechanical equipment are more and more, and in the mechanical equipment, a power unit is required to provide power, and a large amount of noise is generated when the power unit works. The noise of motor unit mainly comprises mechanical noise and gas vent noise, and wherein the noise of the often air outlet of whole unit is the biggest, and often the noise reaches more DB of 80, and the noise is great, can't satisfy the requirement of special place to the noise. Therefore, the air exhaust silencer for the unit is provided.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a unit is with amortization machine of airing exhaust.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to an air exhaust silencer for a unit, which comprises a sound insulation box body, wherein a first sound absorption cotton layer is arranged on the inner wall of the sound insulation box body, the bottom of the inner cavity of the sound insulation box body is provided with a power unit through a shock absorption seat, one side of the sound insulation box body is provided with an air outlet, the top of the sound insulation box body is provided with a first sound insulation board which is vertically downward and is just opposite to the air outlet, the bottom sides of the first sound insulation board and the sound insulation box body are provided with an air outlet channel, a second sound insulation board which is vertically downward is arranged on one side of the sound insulation box body and is positioned on the first sound insulation board, the first sound-proof board and the second sound-proof board form a sound-proof smoke-discharging cavity channel, the top of the sound-proof smoke-discharging cavity channel is provided with an air-discharging silencer, an air outlet of the power unit is connected with an air exhaust silencer through a damping corrugated pipe, and a first air exhaust and sound absorption baffle with a honeycomb structure is installed at the air outlet through a screw; the utility model discloses a power unit, including power unit, sound insulation box, first inlet channel, fourth inlet channel, second inlet channel, fourth inlet channel, third inlet channel, fourth inlet channel, the inlet chamber way that forms the tortuous between third acoustic celotex board and the fourth acoustic celotex board, the sound insulation box is equipped with a plurality of vertical decurrent third acoustic celotex boards in the week side that is located power unit except that the second acoustic celotex board, third acoustic celotex board and the inner chamber bottom side of sound insulation box leave first inlet channel, the sound insulation box is equipped with the fourth acoustic celotex board in one side that the third acoustic celotex board is close to the sound insulation box inner wall, leave the second inlet channel between the top of fourth acoustic.
As an optimal technical scheme of the utility model, air intake department has the second that has honeycomb to air exhaust through the mounting screw and inhales the sound baffle.
As an optimal technical scheme of the utility model, one of them the second is aired exhaust and is inhaled and install radiator fan on the sound baffle.
As an optimal technical scheme of the utility model, there is the top cap at the top of sound insulation box through the screw installation.
As an optimal technical scheme of the utility model, the surface of first acoustic celotex board, second acoustic celotex board, third acoustic celotex board and fourth acoustic celotex board all is equipped with the second and inhales the cotton layer of sound.
The utility model has the advantages that: the air exhaust silencer for the unit comprises a power unit, a first sound insulation board and a second sound insulation board, wherein the power unit is covered by the sound insulation box body to achieve preliminary sound insulation, the first sound insulation board and the second sound insulation board are arranged to form a sound insulation smoke exhaust cavity channel, an air exhaust silencer is arranged at the top end of the sound insulation smoke exhaust cavity channel and is connected with an air outlet of the power unit to exhaust and reduce noise of the air outlet, further noise reduction is carried out under the sound insulation and absorption effects of the first sound insulation board and the second sound insulation board, energy consumption and noise reduction are carried out through the bent sound insulation smoke exhaust cavity channel, finally, the first air exhaust sound absorption baffle at the air outlet is further subjected to noise reduction, the noise diffused to the outside is reduced to the lowest, the sound insulation box body is provided with a plurality of third sound insulation boards which are vertically downward and are arranged on the periphery of the power unit except the second sound insulation board, and a first air inlet channel is reserved between the third sound insulation board and the inner cavity of the sound insulation box body, the sound insulation box is equipped with the fourth acoustic celotex board in one side that the third acoustic celotex board is close to sound insulation box inner wall, leave the second intake duct between the top of fourth acoustic celotex board and sound insulation box, form tortuous air intake chamber way between third acoustic celotex board and the fourth acoustic celotex board, be equipped with on the lateral wall of sound insulation box with the air intake chamber way air intake of intercommunication, utilize by forming tortuous air intake chamber way between third acoustic celotex board and the fourth acoustic celotex board, fall and make an uproar, when guaranteeing that the sound insulation box has better syllable-dividing, have better ventilation effect again, and be convenient for dispel the heat to inside power unit.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an exhaust silencer for a unit according to the present invention;
fig. 2 is a schematic structural view of a second air exhaust sound absorption baffle of the air exhaust silencer for the unit of the present invention;
fig. 3 is a schematic view of a partial structure of an exhaust silencer for a unit according to the present invention.
In the figure: 1. a sound insulation box body; 2. a first sound absorbing cotton layer; 3. a shock absorbing seat; 4. a power unit; 5. an air outlet; 6. a first baffle plate; 7. an air outlet channel; 8. a second baffle; 9. a sound-insulation smoke-discharging cavity channel; 10. an exhaust silencer; 11. a first exhaust air suction baffle; 12. a third baffle; 13. a first air inlet channel; 14. a fourth baffle; 15. a second air inlet channel; 16. an air inlet channel; 17. an air inlet; 18. a second air exhaust sound absorption baffle; 19. a heat radiation fan; 20. a top cover; 21. the second sound absorption cotton layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, 2 and 3, the exhaust silencer for the unit of the present invention comprises a sound insulation box 1, a first sound absorption cotton layer 2 is arranged on the inner wall of the sound insulation box 1, a power unit 4 is installed at the bottom of the inner cavity of the sound insulation box 1 through a shock absorption seat 3, an air outlet 5 is arranged at one side of the sound insulation box 1, a first sound insulation plate 6 which is vertically downward and is right opposite to the air outlet 5 is arranged at the top of the sound insulation box 1, an air outlet channel 7 is left at the bottom side of the first sound insulation plate 6 and the bottom side of the sound insulation box 1, a second sound insulation plate 8 which is vertically downward is arranged at one side of the sound insulation box 1 and is located at the first sound insulation plate 6, the first sound insulation plate 6 and the second sound insulation plate 8 form a sound insulation smoke exhaust channel 9, an exhaust silencer 10 is arranged at the top of the sound insulation smoke exhaust channel 9, an air outlet of the power unit 4 is connected with the exhaust silencer 10 through a shock, a first exhaust and sound absorption baffle plate 11 with a honeycomb structure is installed at the air outlet 5 through a screw; the sound insulation box body 1 is provided with a plurality of third sound insulation boards 12 which are vertically downward on the periphery of the power unit 4 except for the second sound insulation board 8, a first air inlet channel 13 is reserved at the bottom sides of the third sound insulation boards 12 and the inner cavity of the sound insulation box body 1, a fourth sound insulation board 14 is arranged on one side of the third sound insulation board 12 close to the inner wall of the sound insulation box body 1, a second air inlet channel 15 is reserved between the fourth sound insulation board 14 and the top of the sound insulation box body 1, a zigzag air inlet cavity channel 16 is formed between the third sound insulation board 12 and the fourth sound insulation board 14, an air inlet 17 communicated with the air inlet cavity channel 16 is arranged on the side wall of the sound insulation box body 1, the power unit 4 is firstly covered by the sound insulation box body 1 so as to play the sound insulation, and a sound insulation cavity channel 9 is formed by the first sound insulation board 6 and the second sound insulation board 8 through arranging the first preliminary sound insulation board 6 and the second sound insulation, wherein the top end of the sound-insulating smoke-discharging cavity channel 9 is provided with an air-discharging silencer 10, the air-discharging silencer 10 is connected with the air outlet of the power unit 4 to exhaust and reduce noise of the air outlet, and further reduce noise under the sound-insulating and sound-absorbing effects of the first sound-insulating board 6 and the second sound-insulating board 8, the energy consumption and noise reduction are performed through the bent sound-insulating smoke-discharging cavity channel 9, finally, the further noise reduction is performed through the first air-discharging and sound-absorbing baffle plate 11 at the air outlet 5, so that the noise diffused to the outside is reduced to the minimum, the sound-insulating box body 1 is provided with a plurality of third vertical downward sound-insulating boards 12 at the peripheral sides of the power unit 4 except the second sound-insulating board 8, the first air inlet 13 is reserved between the third sound-insulating boards 12 and the bottom side of the inner cavity of the sound-insulating box body 1, the sound-insulating box body 1 is provided with a fourth sound-insulating board 14 at one side of the third sound-insulating board 12 close to the inner wall of the, form tortuous air intake chamber way 16 between third acoustic celotex board 12 and the fourth acoustic celotex board 14, be equipped with the air intake 17 with air intake chamber way 16 intercommunication on the lateral wall of sound-proof box 1, utilize by forming tortuous air intake chamber way 16 between third acoustic celotex board 12 and the fourth acoustic celotex board 14, fall and make an uproar, ensure that sound-proof box 1 has better syllable-dividing simultaneously, have better ventilation effect again, and be convenient for dispel the heat to inside power unit 4.
The air inlet 17 is provided with a second air exhaust sound absorption baffle 18 with a honeycomb structure through screws, so that the sound absorption and sound insulation effects are achieved, and the noise diffused from the air inlet 17 is reduced.
And a cooling fan 19 is arranged on one of the second air exhaust sound absorption baffles 18, so that the cooling effect of the sound insulation box body 1 is improved, and the cooling effect of the power unit 4 is further improved.
The top of the sound insulation box body 1 is provided with a top cover 20 through screws, so that the power unit 4 in the sound insulation box body 1 can be conveniently installed and maintained.
First acoustic celotex board 6, second acoustic celotex board 8, third acoustic celotex board 12 and fourth acoustic celotex board 14's surface all is equipped with the second and inhales cotton layer 21 of sound, improves the effect that gives sound insulation and inhale the sound and fall the noise.
The working principle is as follows: firstly, the power unit 4 is covered by the sound insulation box body 1, so as to play a primary sound insulation role, the first sound insulation board 6 and the second sound insulation board 8 are arranged, the first sound insulation board 6 and the second sound insulation board 8 form a sound insulation smoke exhaust cavity channel 9, wherein the top end of the sound insulation smoke exhaust cavity channel 9 is provided with an air exhaust silencer 10, the air exhaust silencer 10 is connected with the air outlet of the power unit 4 to exhaust and reduce noise of the air outlet, further noise reduction is carried out under the sound insulation and absorption effects of the first sound insulation board 6 and the second sound insulation board 8, energy consumption and noise reduction are further carried out through the bent sound insulation smoke exhaust cavity channel 9, finally, the first air exhaust sound absorption baffle 11 at the air outlet 5 is further noise reduction, the noise diffused to the outside is reduced to the minimum, the sound insulation box body 1 is provided with a plurality of third sound insulation boards 12 which are vertically downward at the periphery side of the power unit 4 except the second sound insulation board 8, third acoustic celotex board 12 and the inner chamber bottom side of sound-proof box 1 leave first intake duct 13, sound-proof box 1 is equipped with fourth acoustic celotex board 14 in one side that third acoustic celotex board 12 is close to sound-proof box 1 inner wall, leave second intake duct 15 between fourth acoustic celotex board 14 and the top of sound-proof box 1, form tortuous air intake chamber way 16 between third acoustic celotex board 12 and the fourth acoustic celotex board 14, be equipped with the air intake 17 with air intake chamber way 16 intercommunication on the lateral wall of sound-proof box 1, utilize and form tortuous air intake chamber way 16 by between third acoustic celotex board 12 and the fourth acoustic celotex board 14, fall and make an uproar, when guaranteeing that sound-proof box 1 has better syllable-dividing, have better ventilation effect again, and be convenient for dispel the heat to inside power unit 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a muffler of airing exhaust for unit, includes sound insulation box (1), be equipped with first sound absorption cotton layer (2), its characterized in that on the inner wall of sound insulation box (1): the bottom of the inner cavity of the sound insulation box body (1) is provided with a power unit (4) through a shock absorption seat (3), an air outlet (5) is arranged on one side of the sound insulation box body (1), a first sound insulation plate (6) which is vertically downward and is right opposite to the air outlet (5) is arranged at the top of the sound insulation box body (1), an air outlet channel (7) is reserved at the bottom sides of the first sound-proof plate (6) and the sound-proof box body (1), a second sound insulation board (8) which is vertically downward is arranged on one side of the sound insulation box body (1) which is positioned on the first sound insulation board (6), the first sound-proof board (6) and the second sound-proof board (8) form a sound-proof smoke exhausting cavity channel (9), the top of the sound-proof smoke-discharging cavity (9) is provided with an air-discharging silencer (10), the air outlet of the power unit (4) is connected with an exhaust silencer (10) through a shock absorption corrugated pipe, a first exhaust and sound absorption baffle (11) with a honeycomb structure is installed at the air outlet (5) through a screw; the utility model discloses a power unit, including power unit (4), sound insulation box (1) is equipped with a plurality of vertical decurrent third acoustic celotex boards (12) in the week that lies in power unit (4) except second acoustic celotex board (8), first intake duct (13) are left to third acoustic celotex board (12) and the inner chamber bottom side of sound insulation box (1), sound insulation box (1) is equipped with fourth acoustic celotex board (14) in one side that third acoustic celotex board (12) are close to sound insulation box (1) inner wall, leave second intake duct (15) between the top of fourth acoustic celotex board (14) and sound insulation box (1), form tortuous air inlet chamber way (16) between third acoustic celotex board (12) and fourth acoustic celotex board (14), be equipped with air intake (17) that communicate with air inlet chamber way (16) on the lateral wall of sound insulation box (1).
2. The exhaust silencer for units according to claim 1, wherein a second exhaust sound absorbing baffle (18) with a honeycomb structure is installed at the air inlet (17) through screws.
3. An exhaust silencer for units according to claim 2, wherein a heat-radiating fan (19) is mounted on one of said second exhaust sound-absorbing baffles (18).
4. An exhaust silencer for units according to claim 1, characterized in that the top of the sound-insulating box (1) is provided with a top cover (20) by screws.
5. The exhaust silencer for units according to claim 1, wherein the surfaces of the first sound-proof board (6), the second sound-proof board (8), the third sound-proof board (12) and the fourth sound-proof board (14) are all provided with a second sound-absorbing cotton layer (21).
CN202021537117.0U 2020-07-30 2020-07-30 Air exhaust silencer for unit Active CN212716897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021537117.0U CN212716897U (en) 2020-07-30 2020-07-30 Air exhaust silencer for unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021537117.0U CN212716897U (en) 2020-07-30 2020-07-30 Air exhaust silencer for unit

Publications (1)

Publication Number Publication Date
CN212716897U true CN212716897U (en) 2021-03-16

Family

ID=74910512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021537117.0U Active CN212716897U (en) 2020-07-30 2020-07-30 Air exhaust silencer for unit

Country Status (1)

Country Link
CN (1) CN212716897U (en)

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