CN221744234U - Fresh air noise reduction device - Google Patents
Fresh air noise reduction device Download PDFInfo
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- CN221744234U CN221744234U CN202420064307.7U CN202420064307U CN221744234U CN 221744234 U CN221744234 U CN 221744234U CN 202420064307 U CN202420064307 U CN 202420064307U CN 221744234 U CN221744234 U CN 221744234U
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- connecting pipe
- rectangular frame
- fresh air
- fixedly connected
- noise reduction
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- 230000009467 reduction Effects 0.000 title claims abstract description 20
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009736 wetting Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of fresh air pipelines and discloses a fresh air noise reduction device which comprises a fresh air pipeline and a fan air outlet pipeline, wherein the left end of the fresh air pipeline is fixedly connected with a first rectangular frame, the right end of the fan air outlet pipeline is fixedly connected with a second rectangular frame, the second rectangular frame is fixedly arranged in the first rectangular frame, and a first connecting pipe is fixedly connected in the first rectangular frame. This new trend noise reduction device through setting up annular damping fin and annular soundproof cotton to first connecting pipe outside, alright reduce the noise that the vibration produced, sets up the heat insulating board simultaneously and live two connecting pipes parcel, and under the effect of two rectangle frames, protects the heat insulating board, reduces the heat loss, and avoids external cold air to contact with the connecting pipe, prevents that the inside comdenstion water that produces of second connecting pipe, alright reduce the condition of wetting of abatvoix, improves the life and the noise reduction effect of abatvoix.
Description
Technical Field
The utility model relates to the technical field of fresh air pipelines, in particular to a fresh air noise reduction device.
Background
The fresh air refers to air outside the building or air which is not circulated by the air conditioning ventilation system before entering the building, and fresh air ports of the air conditioning unit, the fresh air unit and the variable air volume air conditioning unit are directly connected with the external space of the building to introduce fresh air.
In a fresh air system, noise reduction is an important consideration, particularly in a pipeline, noise is easy to propagate, noise is required to be reduced in the fresh air pipeline, noise is easy to generate at the joint of a fresh air outlet and the pipeline, and a sound absorbing plate is arranged in the fresh air outlet to reduce the noise, but under the condition of coldness in winter, the joint of the air outlet pipeline is contacted with external cold air, so that the temperature of the joint of the air outlet pipeline is lower, when fresh air operation is performed, air is discharged from the air outlet of a fresh air fan and contacted with the inner wall of the air outlet pipeline, condensed water is easy to generate, the interior of the fresh air outlet is easy to be moist, and meanwhile, the sound absorbing plate is also easy to be influenced by a moist environment to reduce the sound absorbing and noise reducing effect of the fresh air outlet.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a fresh air noise reduction device for solving the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a new trend noise reduction device, includes new trend pipeline and fan pipeline of giving vent to anger, the first rectangle frame of left end fixedly connected with of new trend pipeline, the right-hand member fixedly connected with second rectangle frame of fan pipeline of giving vent to anger, the internally mounted of second rectangle frame and first rectangle frame is fixed, the inside fixedly connected with first connecting pipe of first rectangle frame, the inside fixedly connected with second connecting pipe of second rectangle frame, first connecting pipe cup joints with the second connecting pipe, the inside of second connecting pipe is equipped with the abatvoix, the right side wall fixedly connected with heat insulating board of first rectangle frame, the circular slot has been seted up to the inside of heat insulating board, first connecting pipe is located the circular slot inside.
Preferably, the side surface of first connecting pipe is equipped with annular damping fin, the side surface of annular damping fin is equipped with the cotton that gives sound insulation, the side surface of cotton that gives sound insulation is laminated with the circular slot inside wall.
Preferably, the acoustic panel is circular setting, a plurality of round holes have been seted up to the inside of acoustic panel, the side surface of acoustic panel and the inside wall overlap joint of second connecting pipe, the acoustic panel passes through locating component and is connected with first connecting pipe.
Preferably, the side surface of the acoustic panel is provided with a plurality of positioning holes, the positioning holes are uniformly distributed on the acoustic panel in a ring shape, the number of the positioning components is plurality, the positioning components correspond to the positions of the positioning holes, and the positioning components are movably inserted into the positioning holes.
Preferably, the positioning assembly comprises two positioning rods, the positioning rods are movably inserted into the second connecting pipe, the side surfaces of the positioning rods are fixedly connected with arc-shaped thin plates, the arc-shaped thin plates are fixed with the two positioning rods, and the inner side walls of the arc-shaped thin plates are in lap joint with the side surfaces of the second connecting pipe.
Preferably, the first rectangular frame is connected with the inside of the second rectangular frame through bolts, nuts are fixedly connected to the inner side walls of the second rectangular frame, the bolts are connected with the inner threads of the nuts, and the side surfaces of the second rectangular frame are overlapped with the inner side walls of the first rectangular frame.
Preferably, the inner side wall of the first connecting pipe is fixedly connected with an annular sealing gasket, and the side surface of the second connecting pipe is tightly attached to the inner side wall of the annular sealing gasket.
Compared with the prior art, the utility model provides a fresh air noise reduction device, which has the following beneficial effects:
1. This new trend noise reduction device through setting up the abatvoix in the inside of second connecting pipe, and the second connecting pipe is located inside the first connecting pipe, make new trend gas can enter into in the first connecting pipe through the abatvoix, and flow to the new trend pipeline, and through setting up annular damping fin and annular soundproof cotton to first connecting pipe outside, alright reduce the noise that the vibration produced, set up the heat insulating board simultaneously and wrap up two connecting pipes, and under the effect of two rectangle frames, protect the heat insulating board, reduce the heat loss, and avoid external cold air to contact with the connecting pipe, prevent that the inside comdenstion water that produces of second connecting pipe, alright reduce the condition of wetting of abatvoix, improve the life of abatvoix and the effect of making an uproar falls.
2. This new trend noise reduction device through set up locating component in the inside of second connecting pipe, alright fix the abatvoix in the second connecting pipe, and be connected with first connecting pipe through the second connecting pipe, alright fix locating component, prevent that it from taking place to remove, when second connecting pipe and first connecting pipe dismantlement separation, alright take out locating component from the second connecting pipe, conveniently dismantle the change to inside abatvoix, the operation is simpler convenient more.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of the complete structure of the present utility model;
FIG. 2 is a schematic view of a first rectangular frame structure according to the present utility model;
FIG. 3 is a schematic diagram of a second rectangular frame structure according to the present utility model;
Fig. 4 is a cross-sectional view of a connection structure of two rectangular frames according to the present utility model.
Wherein: 1. a fresh air pipeline; 2. a fan air outlet pipeline; 3. a first rectangular frame; 4. a second rectangular frame; 5. a first connection pipe; 6. a second connection pipe; 7. a sound absorbing panel; 8. a heat insulating plate; 9. an annular damping fin; 10. soundproof cotton; 11. positioning holes; 12. a positioning rod; 13. an arc-shaped thin plate; 14. an annular gasket.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Referring to fig. 1-4, a fresh air noise reduction device comprises a fresh air pipeline 1 and a fan air outlet pipeline 2, wherein the left end of the fresh air pipeline 1 is fixedly connected with a first rectangular frame 3, the right end of the fan air outlet pipeline 2 is fixedly connected with a second rectangular frame 4, the second rectangular frame 4 is fixedly installed inside the first rectangular frame 3, the two rectangular frames can be fixedly connected with a first connecting pipe 5, the second rectangular frame 4 is fixedly connected with a second connecting pipe 6, the first connecting pipe 5 is sleeved with the second connecting pipe 6, the two connecting pipes can be fixedly connected through the rectangular frames, other generated by the fan can flow out from the fan air outlet pipeline 2 and pass through the first connecting pipe 5 and the second connecting pipe 6, finally, the air enters the fresh air pipeline 1, a sound absorbing plate 7 is arranged inside the second connecting pipe 6 and is used for reducing noise generated when air flows, the right side wall of the first rectangular frame 3 is fixedly connected with a heat insulating plate 8, the first connecting pipe 5 and the second connecting pipe 6 are in a sleeved mode, the outside cold air is prevented from contacting the second connecting pipe 6, the inside the heat insulating pipe 8 is provided with a heat insulating plate 5, and the inside the heat insulating pipe 5 is provided with a round heat insulating groove.
Further, the side surface of first connecting pipe 5 is equipped with annular damping fin 9, and the side surface of annular damping fin 9 is equipped with soundproof cotton 10, reduces the noise that first connecting pipe 5 and the inside production of second connecting pipe 6, avoids sound transmission to go out, and soundproof cotton 10's side surface and circular slot inside wall laminating provide the inseparable effect that soundproof cotton 10 is connected with heat insulating board 8, improve thermal-insulated performance.
Further, the acoustic board 7 is circular setting, and a plurality of round holes have been seted up to the inside of acoustic board 7, reduce the noise that gas produced at the inside flow of acoustic board 7, and the side surface of acoustic board 7 and the inside wall overlap joint of second connecting pipe 6 guarantee the sealed effect between acoustic board 7 and the second connecting pipe 6, and acoustic board 7 is connected with second connecting pipe 6 through locating component.
Preferably, the locating holes 11 are formed in the side surface of the sound absorbing plate 7, the number of the locating holes 11 is multiple, the sound absorbing plate 7 is evenly distributed in an annular mode, the locating holes 11 are distributed in two annular arrays, the number of the locating components is multiple, the locating components correspond to the positions of the locating holes 11, the locating components are movably inserted into the locating holes 11, the sound absorbing plate 7 can be located, and the sound absorbing plate 7 is prevented from moving inside the second connecting pipe 6.
Further, the locating component includes two locating levers 12, the inside activity grafting of locating lever 12 and second connecting pipe 6, the inside activity grafting of locating lever 12 and locating hole 11, two locating levers 12 front and back distributes, guarantee the stable effect of abatvoix 7, the side surface fixedly connected with arc sheet 13 of locating lever 12, arc sheet 13 is fixed with two locating levers 12, it can drive two locating levers 12 and remove together to remove arc sheet 13, the inside wall of arc sheet 13 and the side surface overlap joint of second connecting pipe 6, the thickness of arc sheet 13 is less, be convenient for be located between first connecting pipe 5 and the second connecting pipe 6.
Further, the first rectangular frame 3 is connected with the inner side wall of the second rectangular frame 4 through bolts, nuts are fixedly connected to the inner side wall of the second rectangular frame 4, the number of the bolts and the nuts is eight, the bolts are connected with the inner side wall of the first rectangular frame 3 through threads, the side surface of the second rectangular frame 4 is overlapped with the inner side wall of the first rectangular frame 3, the second rectangular frame 4 can be fixed inside the first rectangular frame 3 through the matching of the bolts and the nuts, the sealing effect inside the second rectangular frame is guaranteed, and the heat insulation plate 8 is used for protecting the inside.
Further, the annular sealing gasket 14 is fixedly connected to the inner side wall of the first connecting pipe 5, the side surface of the second connecting pipe 6 is tightly attached to the inner side wall of the annular sealing gasket 14, the sealing effect between the first connecting pipe 5 and the second connecting pipe 6 is achieved, the side surface of the arc-shaped thin plate 13 is in contact with the inner side wall of the annular sealing gasket 14, the arc-shaped thin plate 13 can be fixed, movement of the arc-shaped thin plate 13 is prevented, and the stable effect of the inner plug connection of the positioning rod 12 and the positioning hole 11 is guaranteed.
The application process of the utility model is as follows:
when the novel heat insulation type sound-absorbing plate is used, the sound-absorbing plate 7 is placed in the second connecting pipe 6, the position of the positioning hole 11 is adjusted to enable the sound-absorbing plate to correspond to the position of the positioning rod 12, then the arc-shaped thin plate 13 is moved towards the second connecting pipe 6 to drive the positioning rod 12 to move together, when the positioning rod 12 is inserted into the positioning hole 11, the sound-absorbing plate 7 can be positioned and fixed, rotation of the sound-absorbing plate is prevented in the second connecting pipe 6, then the second rectangular frame 4 is placed in the first rectangular frame 3, meanwhile, the second connecting pipe 6 is located in the first connecting pipe 5, the two connecting pipes can be connected, the arc-shaped thin plate 13 is fixed with the side surface of the second connecting pipe 6 under the action of the annular sealing gasket 14, sealing effect is improved, gas leakage is prevented, then the arc-shaped thin plate 13 is connected with the first rectangular frame 3 and the second rectangular frame 4 through bolts, and is connected with the inner rotation of nuts, the first rectangular frame 3 and the second rectangular frame 4 are fixed, the heat-insulating plate 8 is protected, cold air is prevented from contacting the second connecting pipe 6, heat insulation effect is achieved, and the heat insulation effect is prevented from being generated in the second connecting pipe 6.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a new trend noise reduction device, includes new trend pipeline (1) and fan pipeline (2) of giving vent to anger, its characterized in that: the novel air conditioner is characterized in that the left end of the fresh air pipeline (1) is fixedly connected with a first rectangular frame (3), the right end of the air outlet pipeline (2) of the fan is fixedly connected with a second rectangular frame (4), the second rectangular frame (4) is fixedly connected with the inner part of the first rectangular frame (3), the inner part of the first rectangular frame (3) is fixedly connected with a first connecting pipe (5), the inner part of the second rectangular frame (4) is fixedly connected with a second connecting pipe (6), the first connecting pipe (5) is sleeved with the second connecting pipe (6), a sound absorbing plate (7) is arranged in the second connecting pipe (6), the right side wall of the first rectangular frame (3) is fixedly connected with a heat insulating plate (8), a round groove is formed in the inner part of the heat insulating plate (8), and the first connecting pipe (5) is located inside the round groove.
2. The fresh air noise reduction device according to claim 1, wherein: the side surface of first connecting pipe (5) is equipped with annular damping fin (9), the side surface of annular damping fin (9) is equipped with soundproof cotton (10), the side surface and the circular slot inside wall laminating of soundproof cotton (10).
3. The fresh air noise reduction device according to claim 1, wherein: the sound absorbing plate (7) is circular, a plurality of round holes are formed in the sound absorbing plate (7), the side surface of the sound absorbing plate (7) is overlapped with the inner side wall of the second connecting pipe (6), and the sound absorbing plate (7) is connected with the second connecting pipe (6) through a positioning assembly.
4. A fresh air noise reduction device according to claim 3, wherein: the sound absorbing plate is characterized in that positioning holes (11) are formed in the side surface of the sound absorbing plate (7), the number of the positioning holes (11) is multiple, the sound absorbing plate is uniformly distributed on the sound absorbing plate (7) in a ring shape, the number of the positioning components is multiple and corresponds to the positions of the positioning holes (11), and the positioning components are movably inserted into the positioning holes (11).
5. A fresh air noise reduction device according to claim 3, wherein: the positioning assembly comprises two positioning rods (12), the positioning rods (12) are movably inserted into the first connecting pipe (5), an arc-shaped thin plate (13) is fixedly connected to the side surface of the positioning rods (12), the arc-shaped thin plate (13) is fixed to the two positioning rods (12), and the inner side wall of the arc-shaped thin plate (13) is overlapped with the side surface of the second connecting pipe (6).
6. The fresh air noise reduction device according to claim 1, wherein: the first rectangular frame (3) is connected with the inside of the second rectangular frame (4) through bolts, nuts are fixedly connected to the inner side walls of the second rectangular frame (4), the bolts are connected with the inner threads of the nuts, and the side surfaces of the second rectangular frame (4) are overlapped with the inner side walls of the first rectangular frame (3).
7. The fresh air noise reduction device according to claim 1, wherein: the inner side wall of the first connecting pipe (5) is fixedly connected with an annular sealing gasket (14), and the side surface of the second connecting pipe (6) is tightly attached to the inner side wall of the annular sealing gasket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420064307.7U CN221744234U (en) | 2024-01-11 | 2024-01-11 | Fresh air noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420064307.7U CN221744234U (en) | 2024-01-11 | 2024-01-11 | Fresh air noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221744234U true CN221744234U (en) | 2024-09-20 |
Family
ID=92733086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420064307.7U Active CN221744234U (en) | 2024-01-11 | 2024-01-11 | Fresh air noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221744234U (en) |
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- 2024-01-11 CN CN202420064307.7U patent/CN221744234U/en active Active
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