CN210951807U

CN210951807U - Noise reduction device of fresh air system

Info

Publication number: CN210951807U
Application number: CN201921805439.6U
Authority: CN
Inventors: 胡令旭; 刘艳萍
Original assignee: Hefei Jinlu New Energy Development Co ltd
Current assignee: Hefei Jinlu New Energy Development Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-07
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the technical field of the equipment of making an uproar falls, specifically disclose a device of making an uproar falls in new trend system, fall board, air intake, air-supply line, hot blast blowpipe apparatus, second and fall board, filter screen, air-out pipeline and air outlet of making an uproar including outer container, the first board of making an uproar of falling, air intake, air inlet duct, hot blast blowpipe apparatus, outer container bilateral symmetry are provided with air intake and air outlet, air intake connection has the air-supply line, the air-out pipeline is connected to the air outlet, the air-supply line passes through hot blast blowpipe apparatus with the air-out pipeline and connects, hot blast blowpipe apparatus is. The utility model discloses the first board of making an uproar and the second board of making an uproar of falling that sets up can the active absorption and completely cut off most noise, reduces the noise that the fan during operation produced, prevents that it from influencing the family environment.

Description

Noise reduction device of fresh air system

Technical Field

The utility model relates to a device of making an uproar falls in new trend system belongs to the equipment of making an uproar technical field that falls.

Background

The fresh air purification system consists of a fan, an air inlet, an air outlet, various pipelines and joints. The fan installed in the suspended ceiling is connected with a series of air outlets through a pipeline, the fan is started, indoor polluted air is exhausted to the outside through the air outlets and the fan, negative pressure is formed in a room, outdoor fresh air enters the room through an air inlet installed above a window frame (between the window frame and a wall), and fresh air filtration, sterilization, oxygenation and preheating are carried out on the indoor air while air supply is carried out (in winter).

The existing fresh air equipment has low air volume while ensuring the requirement of use noise, the fresh air equipment can cause indoor noise pollution when providing large air volume, and the noise reduction device of a fresh air system is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of making an uproar falls in new trend system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of making an uproar falls in new trend system, falls board, filter screen, air-out pipeline and air outlet including outer container, the first board of making an uproar, air intake, intake stack, hot blast blowpipe apparatus, second of making an uproar, outer container bilateral symmetry is provided with air intake and air outlet, air intake connection has the intake stack, the air-out pipeline is connected to the air outlet, intake stack and air-out pipeline pass through hot blast blowpipe apparatus and connect, hot blast blowpipe apparatus is provided with two, be provided with the second in the hot blast blowpipe apparatus and fall board and filter screen of making an uproar, the outer.

Preferably, the first board of making an uproar of falling includes the cystosepiment, paste at the outer incasement wall in the cystosepiment outside, the symmetry is provided with inhales the cotton layer of sound in the cystosepiment, it is provided with the vacuum covering in the middle of inhaling the cotton layer of sound, the cystosepiment inboard is provided with the cotton layer of fire prevention and the square sound groove of inhaling, the square sound groove of inhaling is provided with one and inhales the sound hole.

Preferably, the air inlet device comprises an installation box, an air inlet pipeline and an air outlet pipeline are respectively connected to the two sides of the installation box, a fan is arranged in the installation box, and a second noise reduction plate is arranged on the inner wall of the installation box.

Preferably, the second noise reduction plate comprises a foam plate and a triangular sound absorption groove, and two sound absorption holes are formed in the triangular sound absorption groove.

Preferably, the air inlet and the air outlet are sleeved with silencing sleeves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model belongs to the technical field of the equipment of making an uproar falls, specifically disclose a device of making an uproar falls in new trend system, make through two hot blast blowpipe apparatus that set up reach great amount of wind when guaranteeing the noise requirement, the board of making an uproar falls in the first board of making an uproar and the second of falling that set up simultaneously and falls the board and can absorb isolated most noise, greatly reduces the propagation of new trend equipment during operation noise, the utility model discloses simple structure, convenient operation, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a second noise reduction plate according to the present invention;

fig. 3 is a schematic view of a first noise reduction plate of the present invention;

in the figure: 1. an outer box; 2. a first noise reduction plate; 3. an air inlet; 4. an air inlet pipeline; 5. an air intake device; 6. a second noise reduction plate; 7. a filter screen; 8. an air outlet pipeline; 9. an air outlet; 10. a foam board; 11. a sound absorbing cotton layer; 12. vacuum cladding; 13. a fireproof cotton layer; 14. a square sound absorption groove; 15. a sound absorption hole; 16. installing a box; 17. a fan; 18. a triangular sound absorption groove; 19. a silencing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a device of making an uproar falls in new trend system, falls board 6, filter screen 7, air-out pipeline 8 and air outlet 9 of making an uproar including outer container 1, the first board of making an uproar 2, air intake 3, intake stack 4, hot blast blowpipe apparatus 5, second, 1 bilateral symmetry of outer container is provided with air intake 3 and air outlet 9, air intake 3 is connected with intake stack 4, air outlet 9 connects out pipeline 8, intake stack 4 and air-out pipeline 8 pass through hot blast blowpipe apparatus 5 and connect, hot blast blowpipe apparatus 5 is provided with two, it falls board 6 and filter screen 7 to be provided with the second in the hot blast blowpipe apparatus 5, 1 inner wall of outer container is provided with the first board 2.

Further, first board 2 of making an uproar includes cystosepiment 10, the cystosepiment 10 outside is pasted at 1 inner walls of outer container, the symmetry is provided with inhales the cotton layer 11 of sound in cystosepiment 10, it is provided with vacuum envelope 12 to inhale the cotton layer 11 centre of sound, cystosepiment 10 inboard is provided with the cotton layer 13 of fire prevention and the square sound groove 14 of inhaling, the square sound groove 14 of inhaling is provided with one and inhales sound hole 15.

Further, the air inlet device 5 comprises an installation box 16, the two sides of the installation box 16 are respectively connected with the air inlet pipeline 4 and the air outlet pipeline 8, a fan 17 is arranged in the installation box 16, and a second noise reduction plate 6 is arranged on the inner wall of the installation box 16.

Further, the second noise reduction plate 6 comprises a foam plate 10 and a triangular sound absorption groove 18, and two sound absorption holes 15 are formed in the triangular sound absorption groove 18.

Furthermore, the air inlet 3 and the air outlet 9 are both sleeved with a silencing sleeve 19.

The working principle is as follows: the utility model relates to a noise reduction device of a fresh air system, when in use, the fan 17 works to lead air to enter through an air inlet pipeline 4, two air inlet devices 5 work simultaneously, which can ensure that larger air volume can be achieved within the range of noise requirement, simultaneously, when the fan 17 works, the noise generated by the fan 17 is transmitted to a second noise reduction plate 6 in a mounting box 16, a large amount of noise can be absorbed through two sound absorption holes 15 on a triangular sound absorption groove 18 on the second noise reduction plate 6, the unabsorbed noise is transmitted, the noise is absorbed through a square sound absorption groove 14 on a first noise reduction plate 2 arranged on the inner wall of an outer box 1, meanwhile, a sound absorption cotton layer 11 arranged on the first noise reduction plate 2 can absorb a large amount of noise, a vacuum 12 arranged can isolate the transmission of the noise, thereby greatly reducing the transmission of the working noise of the fan 17, and a noise reduction sleeve 19 is arranged at an air inlet 3 and an air outlet 9, noise abatement is in the propagation of air intake 3 and air outlet 9 department, the utility model discloses simple structure, convenient operation, the practicality is strong.

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

Claims

1. The utility model provides a device of making an uproar falls in new trend system which characterized in that: including outer container (1), first board (2), air intake (3), intake stack (4), hot blast blowpipe apparatus (5), the second falls board (6), filter screen (7), air-out pipeline (8) and air outlet (9) of making an uproar, outer container (1) bilateral symmetry is provided with air intake (3) and air outlet (9), air intake (3) are connected with intake stack (4), air-out pipeline (8) are connected in air outlet (9), intake stack (4) and air-out pipeline (8) are connected through hot blast blowpipe apparatus (5), hot blast blowpipe apparatus (5) are provided with two, it falls board (6) and filter screen (7) to be provided with the second in hot blast blowpipe apparatus (5), outer container (1) inner wall is provided with the first board (2) of making an uproar.

2. The noise reduction device of a fresh air system according to claim 1, wherein: first board (2) of making an uproar falls includes cystosepiment (10), cystosepiment (10) outside is pasted at outer container (1) inner wall, the symmetry is provided with inhales cotton layer of sound (11) in cystosepiment (10), it is provided with vacuum envelope (12) to inhale the cotton layer of sound (11) centre, cystosepiment (10) inboard is provided with the cotton layer of fire prevention (13) and square sound groove (14) of inhaling, square sound groove (14) of inhaling is provided with one and inhales sound hole (15).

3. The noise reduction device of a fresh air system according to claim 1, wherein: air inlet unit (5) are including install bin (16), intake stack (4) and air-out pipeline (8) are connected respectively to install bin (16) both sides, be provided with fan (17) in install bin (16), it makes an uproar board (6) to fall to be provided with the second on install bin (16) inner wall.

4. The noise reduction device of a fresh air system according to claim 1, wherein: the second noise reduction plate (6) comprises a foam plate (10) and a triangular sound absorption groove (18), and two sound absorption holes (15) are formed in the triangular sound absorption groove (18).

5. The noise reduction device of a fresh air system according to claim 1, wherein: and the air inlet (3) and the air outlet (9) are sleeved with silencing sleeves (19).