CN212320047U - Labyrinth air conditioner air pipe noise eliminator - Google Patents
Labyrinth air conditioner air pipe noise eliminator Download PDFInfo
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- CN212320047U CN212320047U CN202021746193.2U CN202021746193U CN212320047U CN 212320047 U CN212320047 U CN 212320047U CN 202021746193 U CN202021746193 U CN 202021746193U CN 212320047 U CN212320047 U CN 212320047U
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 49
- 239000010935 stainless steel Substances 0.000 claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- 239000011888 foil Substances 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims abstract description 20
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 13
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 12
- 239000011491 glass wool Substances 0.000 claims abstract description 11
- 230000008030 elimination Effects 0.000 claims abstract description 8
- 238000003379 elimination reaction Methods 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims abstract description 6
- 230000030279 gene silencing Effects 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 230000003584 silencer Effects 0.000 claims 8
- 238000009413 insulation Methods 0.000 claims 1
- 241000699666 Mus <mouse, genus> Species 0.000 abstract description 9
- 238000009423 ventilation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002390 adhesive tape Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a labyrinth air conditioner tuber pipe noise eliminator belongs to air conditioning and ventilation pipe technical field. The air conditioner comprises a shell box body, a first air volume speed reducing and noise reducing plate, a second air volume speed reducing and noise reducing plate, an air inlet common plate flange and an air outlet common plate flange; the stainless steel net box is fixedly sleeved in the outer shell box, and a non-woven fabric layer, a centrifugal glass wool layer, a phenolic aldehyde aluminum foil composite plate and a rubber and plastic heat-preservation cotton layer are sequentially arranged between the stainless steel net shell and the outer shell box; and a first air quantity speed-reducing noise-reducing plate and a second air quantity speed-reducing noise-reducing plate which are vertical to the wind direction are fixed in an internal channel of the stainless steel mesh shell of the outer shell box body. The novel air-conditioning ventilation pipeline is simple in structure, convenient to install and remarkable in noise elimination effect, and noise generated by the air-conditioning ventilation pipeline of the experimental house of the young mouse animal cannot have visible influence on an experimental result.
Description
Technical Field
The utility model relates to a labyrinth air conditioner tuber pipe noise eliminator belongs to air conditioning and ventilation pipe technical field.
Background
The animal experiment room has higher requirement on the environment, and particularly, the auditory organ of the young mouse is immature, so if the external sound is too large, the hearing of the young mouse is easy to be reduced or the young mouse is easy to be deaf. The air conditioner of the laboratory room for the young mouse animal needs to run for 24 hours, and too fast wind speed during the running of the air conditioner can generate vibration and noise, so that the development of the hearing organ of the young mouse is greatly influenced, and the effectiveness, the authenticity and the accuracy of a scientific experiment are adversely affected. Therefore, the labyrinth air conditioner air pipe silencing device is designed, and the problems can be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the utility model provides a labyrinth air conditioner tuber pipe noise eliminator, it has solved the problem that air conditioner air pipe in baby mouse animal laboratory room produced the noise.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a labyrinth air-conditioning air duct silencing device comprises a shell box body, a first air volume speed-reducing noise-reducing plate, a second air volume speed-reducing noise-reducing plate, an air inlet common plate flange and an air outlet common plate flange;
the shell box body is composed of an internal stainless steel mesh shell, and a non-woven fabric layer, a centrifugal glass cotton layer, a phenolic aldehyde aluminum foil composite plate and a rubber and plastic heat-preservation cotton layer which are sequentially coated outside the stainless steel mesh shell;
a first air quantity speed reducing and noise reducing plate and a second air quantity speed reducing and noise reducing plate which are vertical to the wind direction are fixed in an internal channel of the stainless steel mesh shell of the outer shell box body, the first air quantity speed reducing and noise reducing plate is arranged behind one end of the common plate flange close to the wind inlet, the second air quantity speed reducing and noise reducing plate is arranged in front of one end of the common plate flange close to the wind outlet, and the first air quantity speed reducing and noise reducing plate and the second air quantity speed reducing and noise reducing plate are fixed in a staggered mode to form a labyrinth type noise elimination;
the first air volume speed reducing and noise reducing plate and the second air volume speed reducing and noise reducing plate are identical in structure and are composed of a centrifugal glass wool layer in a core part, a non-woven fabric layer wrapped outside the centrifugal glass wool layer and a noise reducing plate stainless steel mesh shell wrapped outside the non-woven fabric layer.
As a preferable example, the phenolic aldehyde aluminum foil composite plate is formed by splicing a plurality of small phenolic aldehyde aluminum foil composite plates, and the splicing positions of plate seams are wrapped and fixed by aluminum foil adhesive tapes and strong adhesive tapes.
As a preferable example, the rubber-plastic heat-preservation cotton layer is adhered to the outer surface of the phenolic aldehyde aluminum foil composite plate by glue.
As a preferred example, the first air quantity speed-reducing noise-reducing plate is installed in the stainless steel mesh shell 500mm away from the inner flange surface of the air inlet common plate flange, the second air quantity speed-reducing noise-reducing plate is installed in the stainless steel mesh shell 500mm away from the inner flange surface of the air outlet common plate flange, and the total length of the stainless steel mesh shell is 1500 mm.
As a preferred example, the stainless steel net housing has dimensions of 1500mm in length by 600 mm in width by 500mm in height, and 0.6mm in thickness.
As a preferred example, the distance between the flange faces at the two ends of the air inlet common plate flange is 100mm, and the air outlet common plate flange and the air inlet common plate flange are identical in structure.
As a preferred example, the layer of spun glass wool has a thickness of 50 mm.
As a preferred example, the thickness of the phenolic aldehyde aluminum foil composite plate is 20 mm.
As a preferred example, the thickness of the rubber-plastic heat-preservation cotton layer is 30 mm.
In a preferred example, the first air volume decelerating and noise reducing plate and the second air volume decelerating and noise reducing plate are both 500mm high by 300 mm wide by 50mm thick.
The utility model has the advantages that:
(1) the air inlet of the air conditioner is blocked by the labyrinth silencing structure to be decelerated, and the generated vibration noise is smaller after the air speed is reduced;
(2) the shell box body, the first air volume speed reducing and noise reducing plate and the second air volume speed reducing and noise reducing plate are all formed by compounding multiple noise elimination and sound insulation materials, and noise can be further reduced;
(3) the novel air-conditioning ventilation pipeline is simple in structure, convenient to install and remarkable in noise elimination effect, and noise generated by the air-conditioning ventilation pipeline of the experimental house of the young mouse animal cannot have visible influence on an experimental result.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the horizontal section of the present invention;
FIG. 3 is a schematic structural view of the cross section of the housing box of the present invention;
FIG. 4 is an enlarged cross-sectional view of the housing;
FIG. 5 is a schematic structural diagram of the first air volume decelerating and noise reducing plate and the second air volume decelerating and noise reducing plate;
fig. 6 is a schematic structural diagram of the air-conditioning ventilation duct of the present invention.
In the figure: the shell box 1, the board 2 of making an uproar falls in the first amount of wind speed reduction, the board 3 of making an uproar falls in the second amount of wind speed reduction, and the air intake is board flange 4 altogether, and the air outlet is board flange 5 altogether, and stainless steel mesh shell 6, non-woven fabrics layer 7, centrifugal glass cotton layer 8, phenol-formaldehyde aluminum foil composite sheet 9, cotton layer 10 of rubber and plastic heat preservation, air conditioner air pipe 11 fall the board stainless steel mesh shell 12 of making an uproar.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
In the figure, the end of the air inlet common plate flange 4 of the shell box body 1 is a front end, and the end of the air outlet common plate flange 5 is a rear end.
As shown in fig. 1-6, a labyrinth air conditioner air duct muffler device comprises a housing case 1, a first air volume decelerating and noise reducing plate 2, a second air volume decelerating and noise reducing plate 3, an air inlet common plate flange 4 and an air outlet common plate flange 5;
the two ends of the outer shell box body 1 are respectively provided with an air inlet common plate flange 4 and an air outlet common plate flange 5, the outer shell box body 1 is composed of an inner stainless steel mesh shell 6, and a non-woven fabric layer 7, a centrifugal glass cotton layer 8, a phenolic aldehyde aluminum foil composite plate 9 and a rubber and plastic heat-preservation cotton layer 10 which are sequentially coated outside the stainless steel mesh shell 6;
a first air quantity speed reducing and noise reducing plate 2 and a second air quantity speed reducing and noise reducing plate 3 which are vertical to the wind direction are fixed in an internal channel of a stainless steel mesh shell 6 of the outer shell box body 1, the first air quantity speed reducing and noise reducing plate 2 is arranged behind one end of a common plate flange 4 close to an air inlet, the second air quantity speed reducing and noise reducing plate 3 is arranged in front of one end of a common plate flange 5 close to an air outlet, and the first air quantity speed reducing and noise reducing plate 2 and the second air quantity speed reducing and noise reducing plate 3 are fixed in a staggered mode to form a labyrinth type noise elimination;
the first air volume speed reducing and noise reducing plate 2 and the second air volume speed reducing and noise reducing plate 3 are identical in structure and are composed of a centrifugal glass wool layer 8 in a core part, a non-woven fabric layer 7 wrapping the outside of the centrifugal glass wool layer 8 and a noise reducing plate stainless steel mesh shell 12 wrapping the outside of the non-woven fabric layer 7.
The phenolic aldehyde aluminum foil composite board 9 is formed by splicing a plurality of small phenolic aldehyde aluminum foil composite boards 9, and the splicing positions of board seams are wrapped and fixed by aluminum foil adhesive tapes and strong adhesive tapes.
The rubber-plastic heat-insulating cotton layer 10 is adhered to the outer surface of the phenolic aldehyde aluminum foil composite board 9 by glue.
The first air volume speed-reducing noise-reducing plate 2 is arranged in the stainless steel mesh shell 6 500mm away from the inner side flange surface of the air inlet common plate flange 4, the second air volume speed-reducing noise-reducing plate 3 is arranged in the stainless steel mesh shell 6 500mm away from the inner side flange surface of the air outlet common plate flange 5, and the total length of the stainless steel mesh shell 6 is 1500 mm.
The stainless steel net housing 6 has the dimensions of 1500mm in length, 600 mm in width, and 500mm in height, and the stainless steel net housing 6 has a thickness of 0.6 mm.
The distance between the flange faces at the two ends of the air inlet common plate flange 4 is 100mm, and the air outlet common plate flange 5 and the air inlet common plate flange 4 have the same structure.
The centrifugal glass wool layer 8 has a thickness of 50 mm.
The thickness of the phenolic aldehyde aluminum foil composite plate 9 is 20 mm.
The thickness of the rubber-plastic heat-insulating cotton layer 10 is 30 mm.
The first air quantity speed reducing and noise reducing plate 2 and the second air quantity speed reducing and noise reducing plate 3 are 500mm in height, 300 mm in width and 50mm in thickness.
According to the structure, the manufacturing process is as follows:
the first step is as follows: and manufacturing a first air volume speed reducing and noise reducing plate 2 and a second air volume speed reducing and noise reducing plate 3.
The second step is that: manufacturing a stainless steel net shell 6; (1) cutting and batching the stainless steel mesh sheets, wherein 6 stainless steel mesh sheets are totally arranged, and an air inlet and an air outlet (preformed holes) with the width of 400 multiplied by the height of 160mm are respectively arranged on two end surfaces; (2) firstly, respectively installing and fixing a first air volume speed-reducing noise-reducing plate 2 and a second air volume speed-reducing noise-reducing plate 3 on the surface of the inner side of a stainless steel plate mesh at the bottom of a stainless steel mesh shell 6 by using 5mm blind rivets; (3) and then installing stainless steel meshes on the two side surfaces and the top of the stainless steel mesh shell 6, overlapping the stainless steel meshes by 20-30 mm, and fixing the connecting parts of the stainless steel meshes on the two side surfaces and the top and the first air volume speed-reducing noise-reducing plate 2 and the second air volume speed-reducing noise-reducing plate 3 by using 5mm blind rivets.
The third step: the 1.2m galvanized iron sheet is used for manufacturing an air inlet common plate flange 4 and an air outlet common plate flange 5, the 5mm blind rivet for fixing the flange surface on the inner side of the air inlet common plate flange 4 is fixedly arranged on the stainless steel mesh preformed hole of the air inlet at the end part of the stainless steel mesh shell 6, and the 5mm blind rivet for fixing the flange surface on the inner side of the air outlet common plate flange 5 is fixedly arranged on the stainless steel mesh preformed hole of the air outlet at the end part of the stainless steel mesh shell 6.
The fourth step: and (3) fixing the stainless steel meshes at the end parts of the air inlet common plate flange 4 and the air outlet common plate flange 5 on the two end parts of the stainless steel mesh shell 6 by using 5mm blind rivets respectively to form the integral stainless steel mesh shell 6.
The fifth step: the non-woven fabric layer 7 is wound outside the stainless steel net shell 6, so that dust generated during the operation of the air conditioner can be sucked.
And a sixth step: the centrifugal glass wool layer 8 and the phenolic aldehyde aluminum foil composite board 9 are sequentially wrapped outside the stainless steel mesh shell 6, and the splicing seams of the phenolic aldehyde aluminum foil composite board 9 are stuck by aluminum foil adhesive tapes and strong adhesive tapes.
The seventh step: the rubber-plastic heat-insulating cotton layer 10 is adhered to the outer sides of the two end parts of the phenolic aldehyde aluminum foil composite plate 9 by glue, so that a heat-insulating effect is achieved, and the labyrinth air-conditioning air pipe silencing device is manufactured.
Eighth step: the outer flange surfaces of an air inlet common plate flange 4 and an air outlet common plate flange 5 of the labyrinth air conditioner air pipe noise eliminator are respectively installed and connected in an air conditioner ventilating pipeline 11, and finally, rubber and plastic heat-insulating cotton layers 10 at two end parts are stuck to the outer side of a phenolic aldehyde aluminum foil composite plate 9 by glue, so that the complete labyrinth air conditioner air pipe noise eliminator with shock absorption and noise reduction is formed.
The working principle is as follows:
the air inlet of the air conditioner is blocked by the labyrinth silencing structure to be decelerated, and the generated vibration noise is smaller after the air speed is reduced;
the outer casing box body 1, the first air volume speed reducing and noise reducing plate 2 and the second air volume speed reducing and noise reducing plate 3 are all formed by compounding various noise elimination and sound insulation materials, and noise can be further reduced;
the novel air-conditioning ventilation duct is simple in structure, convenient to install and remarkable in noise elimination effect, and noise generated by the air-conditioning ventilation duct 11 of the experimental house for the young mouse animal cannot have visible influence on experimental results
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A labyrinth air-conditioning air duct silencing device is characterized by comprising a shell box body (1), a first air volume speed-reducing noise-reducing plate (2), a second air volume speed-reducing noise-reducing plate (3), an air inlet common plate flange (4) and an air outlet common plate flange (5);
the air inlet common plate flange (4) and the air outlet common plate flange (5) are respectively arranged at openings at two ends of the outer shell box body (1), and the outer shell box body (1) is composed of an inner stainless steel mesh shell (6), and a non-woven fabric layer (7), a centrifugal glass cotton layer (8), a phenolic aldehyde aluminum foil composite plate (9) and a rubber and plastic heat-preservation cotton layer (10) which are sequentially coated outside the stainless steel mesh shell (6);
a first air volume speed reducing and noise reducing plate (2) and a second air volume speed reducing and noise reducing plate (3) which are vertical to the wind direction are fixed in an internal channel of a stainless steel mesh shell (6) of the outer shell box body (1), the first air volume speed reducing and noise reducing plate (2) is arranged behind one end of a common plate flange (4) close to an air inlet, the second air volume speed reducing and noise reducing plate (3) is arranged in front of one end of a common plate flange (5) close to an air outlet, and the first air volume speed reducing and noise reducing plate (2) and the second air volume speed reducing and noise reducing plate (3) are fixed in a staggered mode to form a labyrinth noise elimination;
the first air volume speed-reducing noise-reducing plate (2) and the second air volume speed-reducing noise-reducing plate (3) are identical in structure and are composed of a centrifugal glass wool layer (8) in the core, a non-woven fabric layer (7) wrapped outside the centrifugal glass wool layer (8) and a noise-reducing plate stainless steel mesh shell (12) wrapped outside the non-woven fabric layer (7).
2. The labyrinth air-conditioning duct silencer according to claim 1, wherein the phenolic aldehyde aluminum foil composite board (9) is formed by splicing a plurality of small phenolic aldehyde aluminum foil composite boards (9), and the joints of the board seams are wrapped and fixed by aluminum foil tapes and strong tapes.
3. The labyrinth air-conditioning duct silencer according to claim 1, wherein the rubber-plastic insulation cotton layer (10) is adhered to the outside of the phenolic aldehyde aluminum foil composite board (9) by glue.
4. The labyrinth air conditioner air pipe silencer according to claim 1, wherein the first air volume decelerating and noise reducing plate (2) is installed in the stainless steel mesh shell (6) 500mm away from the inner flange surface of the air inlet common plate flange (4), the second air volume decelerating and noise reducing plate (3) is installed in the stainless steel mesh shell (6) 500mm away from the inner flange surface of the air outlet common plate flange (5), and the total length of the stainless steel mesh shell (6) is 1500 mm.
5. The labyrinth air conditioner air pipe silencer according to claim 1, wherein the stainless steel mesh casing (6) has dimensions of 1500mm long by 600 mm wide by 500mm high, and the stainless steel mesh casing (6) has a thickness of 0.6 mm.
6. The labyrinth air conditioner air duct silencer assembly of claim 1, wherein the spacing between the flange faces at the two ends of the air inlet common plate flange is 100mm, and the air outlet common plate flange and the air inlet common plate flange have the same structure.
7. A silencing device for air ducts of labyrinth air conditioners according to claim 1, characterized in that the thickness of the layer (8) of centrifugal glass wool is 50 mm.
8. The labyrinth air conditioner air pipe silencer according to claim 1, wherein the phenolic aldehyde aluminum foil composite board (9) has a thickness of 20 mm.
9. The labyrinth air-conditioning duct silencer according to claim 1, characterized in that the rubber-plastic insulating cotton layer (10) has a thickness of 30 mm.
10. The labyrinth air conditioner air pipe silencer according to claim 5, wherein the first air volume decelerating and noise reducing plate (2) and the second air volume decelerating and noise reducing plate (3) are all 500mm high by 300 mm wide by 50mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746193.2U CN212320047U (en) | 2020-08-20 | 2020-08-20 | Labyrinth air conditioner air pipe noise eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746193.2U CN212320047U (en) | 2020-08-20 | 2020-08-20 | Labyrinth air conditioner air pipe noise eliminator |
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| Publication Number | Publication Date |
|---|---|
| CN212320047U true CN212320047U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021746193.2U Active CN212320047U (en) | 2020-08-20 | 2020-08-20 | Labyrinth air conditioner air pipe noise eliminator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854137A (en) * | 2020-08-20 | 2020-10-30 | 上海南汇建工建设(集团)有限公司 | A labyrinth air duct muffler device |
| PL249485B1 (en) * | 2022-09-24 | 2026-04-27 | Kfb Acoustics Spolka Z Ograniczona Odpowiedzialnoscia | Passive silencer for noise reduction in ducts |
-
2020
- 2020-08-20 CN CN202021746193.2U patent/CN212320047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854137A (en) * | 2020-08-20 | 2020-10-30 | 上海南汇建工建设(集团)有限公司 | A labyrinth air duct muffler device |
| PL249485B1 (en) * | 2022-09-24 | 2026-04-27 | Kfb Acoustics Spolka Z Ograniczona Odpowiedzialnoscia | Passive silencer for noise reduction in ducts |
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