CN215675759U - Noise reduction device for heating ventilation air-conditioning system - Google Patents
Noise reduction device for heating ventilation air-conditioning system Download PDFInfo
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- CN215675759U CN215675759U CN202122073166.4U CN202122073166U CN215675759U CN 215675759 U CN215675759 U CN 215675759U CN 202122073166 U CN202122073166 U CN 202122073166U CN 215675759 U CN215675759 U CN 215675759U
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- air conditioning
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Abstract
The utility model discloses a noise reduction device for a heat supply ventilation air-conditioning system, which comprises a connecting pipe, wherein the connecting pipe comprises a pipe wall, a sound insulation layer, an inner cavity and an inner pipe from outside to inside in sequence, the sound insulation layer is bonded with the pipe wall and the inner cavity, the inner cavity is welded with the inner pipe, and the inner side of the inner pipe is a ventilation channel. The sound insulation structure is arranged in the connecting pipe, so that the sound insulation structure has a buffering effect in the noise transmission process, sound transmission is isolated, consumed and absorbed, and the volume transmitted to the outside is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of air conditioner noise reduction, and particularly relates to a noise reduction device for a heating, ventilating and air conditioning system.
Background
Air conditioning systems are generally systems that treat the temperature, humidity, cleanliness and airflow rate of indoor air in a human-based manner.
The existing air conditioning system generally refers to a centralized air conditioner, a semi-centralized air conditioner and a local air conditioner, and the air conditioning system can generate larger noise in actual application due to the larger structure of the air conditioning system, while the existing noise reduction device for the heating ventilation air conditioning system has certain problems.
The existing noise reduction device for the heating ventilation air-conditioning system is usually made of simple sound insulation materials, sound insulation is carried out through accumulation of the materials, the sound insulation effect of the materials cannot be fully exerted, structural sound insulation is not combined with the materials, and the sound insulation effect is insufficient.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the noise reduction device for the heating ventilation air-conditioning system.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a device of making an uproar falls for heating ventilation air conditioning system, includes the connecting pipe, and the connecting pipe outside-in is pipe wall, puigging, interior cavity, inner tube in proper order, and the puigging bonds with pipe wall and interior cavity, and interior cavity and inner tube welding, the inner side of inner tube are ventilation channel.
The inner tube is provided with a notch which is filled with foam cotton.
The inner side surface of the inner cavity is provided with a groove, and a foam board is arranged in the groove.
The inner cavity and the inner tube are provided with a plurality of sound absorption grooves.
The sound absorption grooves are distributed on two sides of the foam cotton and around the foam plate.
The sound absorption grooves are distributed in a staggered manner.
The end part of the connecting pipe is connected with the flange plate, and the flange plate is provided with a threaded hole.
The connecting pipe comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, the first connecting pipe and the third connecting pipe are connected through the second connecting pipe, the first connecting pipe and the third connecting pipe are perpendicular to each other in the direction, and the second connecting pipe is an arc-shaped pipe.
The foam board is a galvanized sheet with irregular holes formed inside.
The connecting pipe is made of a galvanized plate or glass wool material.
The utility model has the beneficial effects that:
1) through the interior cavity and the puigging structure that set up in the connecting pipe, can play the cushioning effect in the noise transmission process, carry out wall, consumption, the absorption of sound transmission, transmit external volume greatly reduced.
2) Through the notch and the cotton make full use of structure of foam and the advantage of material, absorb, consume sound, transmit external volume greatly reduced.
3) The noise in the ventilation channel can be totally blocked and absorbed through the foam board, and the noise is reduced.
4) Noise is interfered and absorbed through the sound absorption groove, and noise transmission can be effectively reduced.
5) The sound absorption grooves distributed in a staggered mode can provide a coverage area and reduce noise transmission.
Drawings
FIG. 1 is a schematic view of a noise reducer for a HVAC system of the present invention.
FIG. 2 is a schematic cross-sectional view of a noise reducer for a HVAC system according to the present invention.
In the figure, 10, a first connecting pipe; 11. a third connecting pipe; 12. a second connecting pipe; 13. a flange plate; 14. a threaded hole; 15. a sound insulating layer; 16. an inner cavity; 17. a sound absorbing groove; 18. foam cotton; 19. a foam board; 110. an inner tube; 111. a ventilation channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
A noise reduction device for a heating ventilation air-conditioning system comprises a connecting pipe, wherein the connecting pipe comprises a pipe wall, a sound insulation layer 15, an inner cavity 16 and an inner pipe 110 from outside to inside in sequence, the sound insulation layer 15 is bonded with the pipe wall and the inner cavity 16, the inner cavity 16 is welded with the inner pipe 110, and a ventilation channel is arranged on the inner side of the inner pipe 110. 111
A notch is formed in the inner tube 110 and filled with foam 18.
The inner side surface of the inner cavity 16 is provided with a groove, and a foam plate 19 is arranged in the groove.
The inner cavity 16 and the inner tube 110 are provided with a plurality of sound absorption grooves 17.
The sound absorption grooves 17 are distributed on two sides of the foam cotton 18 and around the foam plate 19.
The sound absorption grooves 17 are distributed in a staggered manner.
The end part of the connecting pipe is connected with a flange 13, and the flange 13 is provided with a threaded hole 14.
The connecting pipe comprises a first connecting pipe 10, a second connecting pipe 12 and a third connecting pipe 11, the first connecting pipe 10 is connected with the third connecting pipe 11 through the second connecting pipe 12, the first connecting pipe 10 and the third connecting pipe 11 are perpendicular to each other in direction, and the second connecting pipe 12 is an arc-shaped pipe.
The foam sheet 19 is a galvanized sheet with irregular holes formed therein.
The connecting pipe is made of a galvanized plate or glass wool material.
Through the interior cavity 16 and the puigging 15 structure of setting up in the connecting pipe, can play the cushioning effect in the noise transmission process, carry out wall, consumption, the absorption of sound transmission, transmit to external volume greatly reduced.
By fully utilizing the advantages of the structure and the materials through the notches and the foam cotton 18, the sound is absorbed and consumed, and the volume transmitted to the outside is greatly reduced.
The foam board 19 can block and absorb the noise in the ventilation passage, thereby reducing the noise.
Noise transmission can be effectively reduced by interfering and absorbing noise through the sound absorption groove 17.
The sound absorption grooves 17 distributed in a staggered manner can provide a coverage area and reduce noise transmission.
When using, connect the air conditioner pipeline through ring flange 13, when the air conditioner operated, the noise transmission that produces was to inner tube 110, forms crisscross and anomalous sound transmission panel through foam cotton 18, cystosepiment 19 and sound absorbing groove 17, has increased the energy consumption of sound transmission, and sound consumes too much energy when the transmission, and when transmitting to outermost body, sound is lower, can not cause the influence to the life.
The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The utility model provides a device of making an uproar falls for heating ventilation air conditioning system which characterized by includes the connecting pipe, and the connecting pipe outside-in is pipe wall, puigging, interior cavity, inner tube in proper order, and the puigging bonds with pipe wall and interior cavity, and interior cavity and inner tube welding are inboard to be ventilation channel.
2. A noise reducing device for heating, ventilating and air conditioning system, as claimed in claim 1, wherein the inner tube is provided with a slot, the slot being filled with foam.
3. A noise reducing device for heating, ventilating and air conditioning systems as claimed in claim 1, wherein the inner side of the inner chamber has a recess in which a foam board is disposed.
4. A noise reducing apparatus for heating, ventilating and air conditioning system as claimed in claim 1, wherein the inner chamber and the inner tube are provided with a plurality of sound absorbing grooves.
5. A noise reducing device for heating, ventilating and air conditioning system, as claimed in claim 4, wherein the sound absorbing grooves are distributed on both sides of the foam and around the foam board.
6. A noise reducing device for heating, ventilating and air conditioning system, as claimed in claim 4, wherein the sound absorbing grooves are arranged offset from each other.
7. A noise reducing device for heating, ventilating and air conditioning system, as claimed in claim 1, wherein the end of the connecting tube is connected to a flange, the flange having threaded holes.
8. The noise reducer for heating, ventilating and air conditioning system according to claim 1, wherein the connection pipe comprises a first connection pipe, a second connection pipe and a third connection pipe, the first connection pipe and the third connection pipe are connected through the second connection pipe, the first connection pipe and the third connection pipe are perpendicular to each other, and the second connection pipe is an arc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122073166.4U CN215675759U (en) | 2021-08-30 | 2021-08-30 | Noise reduction device for heating ventilation air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122073166.4U CN215675759U (en) | 2021-08-30 | 2021-08-30 | Noise reduction device for heating ventilation air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215675759U true CN215675759U (en) | 2022-01-28 |
Family
ID=79957597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122073166.4U Active CN215675759U (en) | 2021-08-30 | 2021-08-30 | Noise reduction device for heating ventilation air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215675759U (en) |
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2021
- 2021-08-30 CN CN202122073166.4U patent/CN215675759U/en active Active
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