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CN-224215545-U - Central air conditioner air-out noise reduction device

CN224215545UCN 224215545 UCN224215545 UCN 224215545UCN-224215545-U

Abstract

The utility model relates to the field of air-conditioner air-out devices, in particular to an air-out and noise-reduction device of a central air conditioner, which comprises an air-receiving cylinder, a bucket-type air-expanding cover, an air-out cover, a noise-reduction and noise-reduction frame, a wind direction guiding frame and a protection frame; the utility model effectively reduces noise generated by air flow resonance through the wind expansion and diversion design of the wind expansion cover and the sound absorption cotton plate filling of the noise reduction and diversion frame, and the design of the wind direction guiding frame ensures that air flow can be blown to a room uniformly and softly, and avoids the problems of excessively strong air flow and uneven distribution in the traditional air conditioner air outlet device.

Inventors

  • Wang Machao
  • WANG JINCHAO
  • ZHAO NANA

Assignees

  • 祥森智慧科技有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (8)

  1. 1. The air-out noise reduction device of the central air conditioner comprises an air receiving cylinder (1) and is characterized by further comprising a bucket-shaped air expansion cover (2), an air outlet cover (3), a noise reduction frame (4), an air direction guide frame (5) and a protection frame (6), wherein the bucket-shaped air expansion cover (2) for diffusing the wind power of the central air conditioner is arranged at the lower end of the air receiving cylinder (1), the air outlet cover (3) of the pre-buried room hanging top air is arranged at the lower end of the bucket-shaped air expansion cover (2), an embedded groove (301) is formed in one end, far away from the bucket-shaped air expansion cover (2), of the air outlet cover (3), and a noise reduction frame (4), an air direction guide frame (5) for changing the wind direction of the air outlet and the protection frame (6) for playing a protection role are sequentially arranged in the embedded groove (301).
  2. 2. The central air conditioner air-out noise reduction device according to claim 1 is characterized in that air-out guide plates (7) are arranged in the bucket-shaped air-out cover (2), a plurality of groups of air-out guide plates (7) are arranged, the air-out guide plates (7) are uniformly distributed in a bucket shape along the inside of the bucket-shaped air-out cover (2), and guide grooves (8) are formed among the plurality of groups of air-out guide plates (7).
  3. 3. The central air conditioner air-out noise reduction device according to claim 2, wherein a female butt joint frame (9) is arranged at the lower end of the bucket-shaped air expansion hood (2), a sub-butt joint frame (10) corresponding to the female butt joint hood is arranged at the rear end of the air outlet hood (3), the female butt joint frame (9) is matched and clamped with the sub-butt joint frame (10), two groups of fixing holes are symmetrically formed in the surfaces of the female butt joint frame (9) and the sub-butt joint frame (10), and the two groups of fixing holes penetrate through the female butt joint hood and the sub-butt joint frame (10).
  4. 4. The central air conditioner air-out noise reduction device according to claim 1, wherein the noise reduction frame (4) is located in the embedded groove (301), the noise reduction frame (4) is internally provided with sound-absorbing cotton plates (11), the sound-absorbing cotton plates (11) are provided with a plurality of groups, and the sound-absorbing cotton plates (11) are linearly arranged along the inside of the noise reduction frame (4).
  5. 5. The device for reducing air flow out and noise of a central air conditioner according to claim 4, wherein the upper end and the lower end of the sound-absorbing cotton plate (11) are respectively provided with a connecting shaft (13), one end of the connecting shaft (13) is connected with the sound-absorbing cotton plate (11), the other end of the connecting shaft (13) is connected with the noise-reducing frame (4), and the edges of the front end and the rear end of the sound-absorbing panel are respectively provided with a conical notch (12).
  6. 6. The device for reducing the noise of the air outlet of the central air conditioner according to claim 1, wherein the wind direction guiding frame (5) is positioned at one end of the noise reduction and noise reduction frame (4) far away from the sub-butt joint frame (10), and an inclined angle upward guiding wind plate (14) is arranged in the wind direction guiding frame (5).
  7. 7. A central air conditioner air outlet noise reduction device according to claim 6 is characterized in that two groups of inclined upward-guiding air plates (14) are arranged, wherein one group of inclined upward-guiding air plates (14) is positioned at the bottom in the wind direction guiding frame (5), and the other group of inclined upward-guiding air plates (14) is erected at the middle section of the wind direction guiding frame (5).
  8. 8. The central air conditioner air-out noise reduction device according to claim 1, wherein the protection frame (6) is located at one end of the wind direction guide frame (5) far away from the noise reduction frame (4), a plurality of groups of longitudinal round rods (15) are linearly arranged inside the protection frame (6), the plurality of groups of longitudinal round rods (15) are linearly arranged along the inside of the protection frame (6), a plurality of groups of transverse round rods (16) are arranged among the plurality of groups of longitudinal round rods (15), and the plurality of groups of longitudinal round rods (15) and the plurality of groups of transverse round rods (16) are mutually crossed.

Description

Central air conditioner air-out noise reduction device Technical Field The utility model relates to the field of air outlet devices of air conditioners, in particular to an air outlet noise reduction device of a central air conditioner. Background The central air conditioner is a large air conditioning system, one or more outdoor units generate cold and heat sources, and cold and heat wind is conveyed to each room through a pipeline system to realize integral temperature regulation, and the central air conditioner is usually used for large buildings or places needing concentrated cold and heat supply, such as business office buildings, hotels, hospitals and the like, and an air outlet device is usually required to be installed on the suspended ceiling of each room so as to facilitate the air outlet of the central air conditioner. The traditional air conditioner air-out device is in the in-process of central air conditioner working wind, because central air conditioner's wind-force is stronger for the air current is when flowing, easily produces resonance in the inside of air-out device, thereby produces the noise and causes the interference of noise to the user, reduces user's use experience. Therefore, to above-mentioned traditional air conditioner air-out device, easily cause the interference of noise to the user, reduce user's use experience, can design a central air conditioner air-out noise reduction device, through at the air-out noise reduction device's internally mounted certain water conservancy diversion structure and amortization structure to the noise that produces when reducing central air conditioner air-out, thereby be convenient for solve above-mentioned problem. Disclosure of utility model In order to overcome the traditional air-conditioner air-out device, in the process of working air of a central air conditioner, because the wind power of the central air conditioner is strong, when air flows, resonance is easy to generate in the air-out device, so that noise is generated to cause noise interference to users, and the problem of using experience of the users is reduced. The technical scheme is that the central air conditioner air outlet noise reduction device comprises an air receiving cylinder, a bucket-shaped air expansion cover, an air outlet cover, a noise reduction frame, a wind direction guide frame and a protection frame, wherein the bucket-shaped air expansion cover used for diffusing the wind power of a central air conditioner is arranged at the lower end of the air receiving cylinder, the air outlet cover of a pre-buried room hanging top air outlet is arranged at the lower end of the bucket-shaped air expansion cover, an embedded groove is formed in one end, far away from the bucket-shaped air expansion cover, of the air outlet cover, and a noise reduction frame used for reducing the noise of the air outlet, a wind direction guide frame used for changing the wind direction of the air outlet and a protection frame used for playing a protection role are sequentially arranged in the embedded groove. Preferably, the wind receiving cylinder is combined with the bucket-type wind expanding cover, the wind outlet cover, the silencing and noise reducing frame, the wind direction guiding frame and the protecting frame, so that when the central air conditioner works, a worker can connect the wind receiving cylinder to the wind outlet of the central air conditioner, when the central air conditioner works, air flow enters the bucket-type wind expanding cover through the wind receiving cylinder, is diffused in a bucket direction by the bucket-type wind expanding cover, then enters the wind outlet cover, is discharged into a room through the silencing and noise reducing frame, the wind direction guiding frame and the protecting frame in sequence in the wind outlet cover, and when the air flow passes through the silencing and noise reducing frame, the noise generated by resonance of the air flow is absorbed by the structure in the silencing and noise reducing frame, and when the air flow passes through the wind direction guiding frame, the wind direction of the air flow is changed through the internal structure of the air flow. Preferably, the air-expanding guide plates are arranged in the bucket-shaped air-expanding cover, a plurality of groups of air-expanding guide plates are arranged in the bucket-shaped air-expanding cover, and guide grooves are formed among the plurality of groups of air-expanding guide plates. Preferably, the lower end of the bucket-type wind expansion hood is provided with a female docking frame, the rear end of the wind outlet hood is provided with a sub docking frame corresponding to the female docking hood, the female docking frame is matched and clamped with the sub docking frame, two groups of fixing holes are symmetrically formed in the surfaces of the female docking frame and the sub docking frame, and the two groups of fixing holes penetrate through the female do