CN218895522U

CN218895522U - Central air conditioner fan coil silencer

Info

Publication number: CN218895522U
Application number: CN202320060463.1U
Authority: CN
Inventors: 王晓奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-04-21
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a fan coil silencer of a central air conditioner, which comprises a fan coil body, a connecting pipe and an air duct pipe, wherein one end of the connecting pipe is fixedly connected with the fan coil body, the other end of the connecting pipe is fixedly connected with one end of the air duct pipe, the air duct pipe comprises a shell, first sound absorbing cotton, a damping plate, waterproof fiber cloth, a first perforated screen plate, a noise reduction plate and a silencing plate, one side of the first sound absorbing cotton is attached to the inner wall of the shell, the damping plate is arranged on the other side of the first sound absorbing cotton, waterproof fiber cloth is arranged on the side, away from the first sound absorbing cotton, of the damping plate, the first perforated screen plate is arranged on the side, away from the damping plate, of the waterproof fiber cloth, and the noise reduction plate is arranged inside the air duct pipe and close to the connecting pipe end and is arranged inside the air duct pipe and away from the connecting pipe end.

Description

Central air conditioner fan coil silencer

Technical Field

The utility model relates to the technical field of silencers, in particular to a silencer for a fan coil of a central air conditioner.

Background

The fan-coil unit is one of the end units of air conditioning system comprising small fan, motor, coil pipe, etc. and has heat exchange with air outside the pipe to cool, dehumidify or heat air to regulate indoor air parameters.

A muffler is a device that prevents sound from propagating and allows air flow to pass through, and is an important measure for eliminating aerodynamic noise. The muffler is a noise reducing device installed on an airflow passage of an aerodynamic device or in an intake and exhaust system.

The existing central air conditioner fan coil is basically free of air channels in cooling and heating, wind instantly blows on people, so that the health of people is affected, and in use, the fan is noisy due to the impact of the fan coil and wind power, and the rest and life of people are disturbed.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the silencer for the fan coil of the central air conditioner, which can reduce the blowing speed when air flows through the air duct pipe, effectively reduce noise and eliminate noise, further reduce noise generation and emission and ensure normal rest life of people.

In order to solve the technical problems, the utility model provides the following technical scheme: the fan coil silencer of the central air conditioner comprises a fan coil body, a connecting pipe and an air duct pipe, wherein one end of the connecting pipe is fixedly connected with the fan coil body, and the other end of the connecting pipe is fixedly connected with one end of the air duct pipe;

the air duct pipe comprises a shell, first sound cotton, a damping plate, waterproof fiber cloth, a first perforated screen plate, a noise reduction plate and a noise reduction plate, wherein one side of the first sound cotton is attached to the inner wall of the shell, the damping plate is arranged on the other side of the first sound cotton, the damping plate is far away from the first sound cotton, the waterproof fiber cloth is arranged on the side of the damping plate, the first perforated screen plate is arranged on the side of the damping plate, the noise reduction plate is arranged inside the air duct pipe and is close to the connecting pipe end, and the noise reduction plate is arranged inside the air duct pipe and far away from the connecting pipe end.

Preferably, the noise reduction plate comprises a first layer and a second layer, through holes are formed in the first layer and the second layer, and the aperture of the second layer is larger than that of the first layer.

Preferably, the silencer board comprises a fixed frame, second sound absorbing cotton and a second perforated screen board, wherein the second sound absorbing cotton is arranged in the fixed frame, and the second perforated screen board is fixedly connected to the upper end face and the lower end face of the fixed frame.

Preferably, the number of the silencing plates is three, and the three silencing plates are arranged in the air duct tube in parallel.

Preferably, the noise reduction plate is fixedly connected with the opposite surface of the first perforated screen plate.

Preferably, the two side surfaces of the silencing plate are fixedly connected with the inner side wall of the first perforated screen plate.

Preferably, the air duct pipe is fixedly connected with an air outlet at the end far away from the fan coil body.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up the board of making an uproar that falls, the aperture in its second floor hole is greater than the aperture in first floor hole, when the air current passes through, can slow down the speed of blowing, noise reduction, through setting up the acoustical panel, can further amortize the air current after making an uproar falls, and then noise reduction's production and emission have guaranteed people's normal rest life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the duct structure of the present utility model;

FIG. 3 isbase:Sub>A schematic view of the A-A surface structure of the duct of the present utility model;

FIG. 4 is a schematic diagram of the structure of the duct B-B of the present utility model;

FIG. 5 is a schematic view of a muffler structure according to the present utility model;

wherein: 1. a fan coil body; 2. a connecting pipe; 3. an air duct pipe; 4. a housing; 5. a first sound absorbing cotton; 6. a damping plate; 7. waterproof fiber cloth; 8. a first perforated screen; 9. a noise reduction plate; 10. a muffler plate; 11. a first layer; 12. a second layer; 13. a fixed frame; 14. a second sound-absorbing cotton; 15. a second perforated screen; 16. and an air outlet.

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.

Examples:

as shown in fig. 1-5, the utility model provides a fan coil silencer of a central air conditioner, which comprises a fan coil body 1, a connecting pipe 2 and an air duct pipe 3, wherein one end of the connecting pipe 2 is fixedly connected with the fan coil body 1, and the other end of the connecting pipe 2 is fixedly connected with one end of the air duct pipe 3;

the air duct pipe 3 comprises a shell 4, first sound absorbing cotton 5, a damping plate 6, waterproof fiber cloth 7, a first perforated screen plate 8, a noise reduction plate 9 and a noise reduction plate 10, wherein one side of the first sound absorbing cotton 5 is attached to the inner wall of the shell 4, the damping plate 6 is arranged on the other side of the first sound absorbing cotton 5, the damping plate 6 is far away from the first sound absorbing cotton 5, the waterproof fiber cloth 7 is far away from the damping plate 6, the first perforated screen plate 8 is arranged on the side of the damping plate 6, the noise reduction plate 9 is arranged inside the air duct pipe 3 and is close to the end of the connecting pipe 2, and the noise reduction plate 10 is arranged inside the air duct pipe 3 and far away from the end of the connecting pipe 2.

As shown in fig. 1, 3 and 4, this embodiment further discloses that the noise reduction plate 9 includes a first layer 11 and a second layer 12, through holes are formed in the first layer 11 and the second layer 12, and the aperture of the second layer 12 is larger than that of the first layer 11.

As shown in fig. 4 and 5, this embodiment further discloses that the silencer board 10 includes a fixing frame 13, a second sound absorbing cotton 14 and a second perforated screen 15, the second sound absorbing cotton 14 is disposed in the fixing frame 13, and the second perforated screen 15 is fixedly connected to the upper end surface and the lower end surface of the fixing frame 13.

As shown in fig. 4, this embodiment further discloses that the number of the silencing plates 10 is three, and three silencing plates 10 are disposed in parallel inside the duct tube 3.

As shown in fig. 3, this embodiment also discloses that the noise reduction plate 9 is fixedly connected to the opposite surface of the first perforated screen 8.

As shown in fig. 4, this embodiment further discloses that two side surfaces of the silencer board 10 are fixedly connected with the inner side wall of the first perforated screen 8.

As shown in fig. 1, this embodiment also discloses that the end of the air duct tube 3 far away from the fan coil body 1 is fixedly connected with an air outlet 16.

Through setting up the board of making an uproar 9 that falls, the aperture in its second floor 12 holes is greater than the aperture in first floor 11 holes, when the air current passes through, can slow down the speed of blowing, noise reduction, through setting up the acoustical panel 10, can further amortize the air current after making an uproar falls, and then the production and the emission of noise reduction have guaranteed people's normal rest life.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a central air conditioning fan coil muffler, includes fan coil body (1), its characterized in that: the fan coil comprises a fan coil body (1), and is characterized by also comprising a connecting pipe (2) and an air duct pipe (3), wherein one end of the connecting pipe (2) is fixedly connected with the fan coil body (1), and the other end of the connecting pipe (2) is fixedly connected with one end of the air duct pipe (3);

the air duct pipe (3) comprises a shell (4), first sound cotton (5) of inhaling, damping plate (6), waterproof fiber cloth (7), first perforation otter board (8), noise reduction board (9), acoustical panel (10), first sound cotton (5) of inhaling one side laminating set up in shell (4) inner wall, first sound cotton (5) of inhaling opposite side is provided with damping plate (6), damping plate (6) are kept away from first sound cotton (5) side is provided with waterproof fiber cloth (7), waterproof fiber cloth (7) are kept away from damping plate (6) side is provided with first perforation otter board (8), noise reduction board (9) set up in air duct pipe (3) inside and be close to connecting pipe (2) end, acoustical panel (10) set up in air duct pipe (3) inside and keep away from connecting pipe (2) end.

2. The central air conditioning fan coil muffler as set forth in claim 1, wherein: the noise reduction plate (9) comprises a first layer (11) and a second layer (12), through holes are formed in the first layer (11) and the second layer (12), and the aperture of the second layer (12) is larger than that of the first layer (11).

3. The central air conditioning fan coil muffler as set forth in claim 1, wherein: the silencer board (10) comprises a fixed frame (13), second sound absorbing cotton (14) and a second perforated screen board (15), wherein the second sound absorbing cotton (14) is arranged in the fixed frame (13), and the second perforated screen board (15) is fixedly connected to the upper end face and the lower end face of the fixed frame (13).

4. The central air conditioning fan coil muffler as set forth in claim 1, wherein: the number of the silencing plates (10) is three, and the three silencing plates (10) are arranged in the air duct pipe (3) in parallel.

5. The central air conditioning fan coil muffler as set forth in claim 1, wherein: the noise reduction plate (9) is fixedly connected with the opposite surface of the first perforated screen plate (8).

6. The central air conditioning fan coil muffler as set forth in claim 1, wherein: the two side surfaces of the silencing plate (10) are fixedly connected with the inner side wall of the first perforated screen plate (8).

7. The central air conditioning fan coil muffler as set forth in claim 1, wherein: the end of the air duct pipe (3) far away from the fan coil body (1) is fixedly connected with an air outlet (16).