CN217876412U

CN217876412U - Air outlet noise reduction device of central air conditioner

Info

Publication number: CN217876412U
Application number: CN202222279328.4U
Authority: CN
Inventors: 蔡圣刚; 蔡圣木; 丁育华
Original assignee: Anhui Province East Yu Refrigeration Technology Co ltd
Current assignee: Anhui Province East Yu Refrigeration Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-22
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a device of making an uproar falls in central air conditioning air-out relates to central air conditioning technical field, including the air outlet of intercommunication central air conditioning defeated air pipeline, the inside sound-proof housing that is provided with of air outlet, the funnel groove has been seted up to sound-proof housing middle part position, soundproof cotton pad has been laid to the inner wall in funnel groove, and the both sides wall in funnel groove communicates respectively and is provided with out the tuber pipe, the one end that goes out the tuber pipe is provided with the subassembly of making an uproar that falls. The utility model discloses change conventional air outlet structure, weaken the noise through multi-level in the propagation way of the wind body, be convenient for carry out noise reduction to the transport of the wind body and export again after handling, be convenient for reduce the noise pollution of central air conditioning air-out.

Description

Air outlet noise reduction device of central air conditioner

Technical Field

The utility model relates to a central air conditioning technical field specifically is a device of making an uproar falls in central air conditioning air-out.

Background

The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and is different from the traditional refrigerant type air conditioner, the system adopts the principle of liquid gasification refrigeration to provide required cold quantity for the air conditioning system so as to offset the heat load of the indoor environment, and the heating system provides required heat quantity for the air conditioning system so as to offset the cold and heat loads of the indoor environment.

The central air-conditioning air port is a terminal device for air outlet and air return in the central air-conditioning system, and is an air distribution device, the air outlet sends the refrigerated or heated air to the room, and the air return port sucks the dirty air in the room back, and the air outlet and the air return port form the whole air circulation, so that the refrigeration and comfort of the indoor air are ensured while the indoor refrigeration and heating effects are ensured.

However, the vibration of the air outlet of the conventional central air conditioner caused by the difference between the internal air pressure and the external air pressure during the operation process and the noise generated by the impact and the friction between the air body and the inner wall of the pipeline when the air body is conveyed in the air conveying pipeline need to be reduced.

Device of making an uproar falls in central air conditioning air outlet easy to assemble like chinese patent grant publication No. CN215571158U, including the internal unit and install the play aerofoil on the internal unit, the air outlet has been seted up on the play aerofoil, can dismantle in the air outlet and be connected with fixed frame, be connected with the mounting bracket through flexible subassembly in the fixed frame, flexible subassembly is fixed through four coupling assembling, four coupling assembling all set up in going out the aerofoil, install the board of making an uproar that falls that is used for making an uproar in the mounting bracket, still be provided with the shutter in the mounting bracket, the shutter setting is making an uproar the board below falling.

Above-mentioned patent can avoid the staff to scramble when dismantling the installation and fall board and shutter of making an uproar through setting up flexible subassembly and adjusting part, makes its dismantlement simple, simple to operate. However, only by the arrangement of the noise reduction plate, the noise reduction effect of the wind body in the transmission path is general, so that certain noise pollution still exists in the outlet air of the central air conditioner.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that current central air conditioning exists at the air-out in-process, the utility model provides a device of making an uproar falls in central air conditioning air-out.

The utility model provides a device of making an uproar falls in central air conditioning air-out, includes the air outlet that communicates central air conditioning air delivery pipeline, the inside sound-proof housing that is provided with of air outlet, the funnel groove has been seted up to sound-proof housing middle part position, the soundproof cotton pad has been laid to the inner wall in funnel groove, and the both sides wall in funnel groove communicates respectively and is provided with out the tuber pipe, the one end that goes out the tuber pipe is provided with the subassembly of making an uproar that falls.

Further, inside sound-proof housing one end agrees with and covers the air outlet, and be provided with the damping paster on the outer wall of sound-proof housing, damping paster surface is provided with the soundproof cotton layer.

Further, it is a set of the output port symmetry that goes out the tuber pipe sets up in the bottom both sides position department of air outlet, the subassembly of making an uproar falls including inhaling sound cotton circle and sound proof blanket, it agrees with the setting inside the output port of air-out pipe to inhale the sound cotton circle, sound proof blanket parcel sets up on the outer wall of air-out pipe.

Furthermore, the surface of sound-proof housing is provided with dustproof filter screen, dustproof filter screen covers the input port of funnel groove.

Furthermore, an end opening of the air outlet close to the air outlet pipe is provided with a sound insulation board, and one end of the air outlet pipe penetrates through the sound insulation board.

The utility model has the advantages that:

1. carry out the defeated wind operation through sound-proof housing and play tuber pipe cooperation air outlet, make the noise that the wind body produced with the friction of pipeline inner wall in the defeated wind pipeline of central air conditioning in transportation process, by the damping paster and the separation of soundproof cotton layer cooperation that sound-proof housing and its outer wall set up, can effectual absorption vibration energy through the damping paster, and then make the wind body carry through the funnel groove, utilize soundproof cotton pad to have good sound absorption characteristic, be convenient for effectively attenuate the sound energy of noise on the propagation path, and then export the wind body through air-out pipe, and wrap up the play tuber pipe through the sound proof blanket, reduce the noise that the wind body produced in intraductal transportation process and spill over, simultaneously through the cooperation of inhaling the cotton circle of sound, avoid the wind body to strike the output port of play tuber pipe and produce the noise when exporting, and then further obstruct the propagation of the internal noise of air outlet through the acoustic celotex board, to sum up the cooperation, change conventional air outlet structure, weaken the noise through multi-level in the propagation route of the wind body, be convenient for carry out the noise after making an uproar is reduced, be convenient for the air-out noise pollution of central air conditioning.

2. Through the matching of the sound-proof cover and the dustproof filter screen, the conveyed air body is convenient to remove dust and filter, the dust contained in the conveyed air is reduced, and the air conveying quality is improved; and then through the setting of a set of tuber pipe, make the air outlet be convenient for carry out the defeated wind operation towards both sides position synchronization, improve the suitability in the actual defeated wind operation process.

Drawings

Fig. 1 is a perspective view of an air outlet.

Fig. 2 is a perspective view of the soundproof cover.

Fig. 3 is a cross-sectional view of the outlet.

1. An air outlet; 2. a sound-proof housing; 3. a funnel groove; 4. a sound-insulating cotton pad; 5. an air outlet pipe; 6. a noise reduction assembly; 61. a sound absorbing cotton ring; 62. a sound-insulating blanket; 7. a damping patch; 8. a soundproof cotton layer; 9. a dustproof filter screen; 10. an acoustic panel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

The utility model provides a device of making an uproar falls in central air conditioning air-out, includes air outlet 1 that communicates central air conditioning air delivery pipeline, 1 inside sound-proof housing 2 that is provided with of air outlet, 2 one end agrees with of sound-proof housing and covers 1 inside of air outlet, and is provided with damping paster 7 on the outer wall of sound-proof housing 2, and the material of damping paster 7 is rubber. Damping paster 7 surface is provided with soundproof cotton layer 8, and soundproof cotton layer 8's material is soundproof cotton. The soundproof cover 2 and the air outlet pipe 5 are matched with the air outlet 1 to carry out air conveying operation, so that noise generated by friction between an air body and the inner wall of a pipeline in the air conveying pipeline of the central air conditioner is blocked by matching the soundproof cover 2 and a damping patch 7 arranged on the outer wall of the soundproof cover with a soundproof cotton layer 8, and vibration energy can be effectively absorbed through the damping patch 7, referring to fig. 1 and 3.

The middle position of the sound-proof housing 2 is provided with a funnel groove 3, two side walls of the funnel groove 3 are respectively communicated with an air outlet pipe 5, and output ports of a group of air outlet pipes 5 are symmetrically arranged at two sides of the bottom of the air outlet 1. Through the arrangement of the group of air outlet pipes 5, the air outlet 1 can be used for carrying out air conveying operation towards two side directions synchronously, and the applicability in the actual air conveying operation process is improved, which is shown in the figures 1 and 3.

The inner wall of the funnel groove 3 is paved with a soundproof cotton pad 4, and the longitudinal section of the funnel groove 3 is in an inverted trapezoid shape. The wind body is conveyed through the funnel groove 3, and the sound energy of the noise on a propagation path is conveniently and effectively attenuated by utilizing the good sound absorption characteristic of the soundproof cotton pad 4, which is shown in the figures 1 and 3.

One end of the air outlet pipe 5 is provided with a noise reduction component 6. Noise reduction assembly 6 is including inhaling cotton circle 61 and sound proof blanket 62, inhales the cotton circle 61 and agrees with the setting inside the output port of tuber pipe 5 of sound, and sound proof blanket 62 parcel sets up on the outer wall of tuber pipe 5. Output the wind body through air-out pipe 5 to wrap up air-out pipe 5 through sound insulating blanket 62, reduce the noise that the wind body produced in intraductal transportation process and spill over, through inhaling the cooperation of sound cotton circle 61, avoid the wind body to strike the output port of air-out pipe 5 and produce the noise when exporting simultaneously, refer to fig. 1, fig. 3.

An end opening of the air outlet 1 close to the air outlet pipe 5 is provided with a sound insulation board 10, and one end of the air outlet pipe 5 penetrates through the sound insulation board 10. The noise insulation board 10 further blocks the transmission of noise inside the outlet 1, see fig. 1 and 3.

In conclusion, the conventional air outlet 1 structure is changed, noise is weakened in the transmission path of the air bodies in a multi-layer manner, noise reduction processing is conveniently carried out on the air bodies, then the air bodies are output, and noise pollution of air outlet of the central air conditioner is conveniently reduced, and the structure is shown in fig. 1 and 3.

The surface of sound-proof housing 2 is provided with dustproof filter screen 9, and dustproof filter screen 9 covers the input port of funnel groove 3. Through the cooperation of sound-proof housing 2 and dustproof filter screen 9, be convenient for remove dust to the wind body of carrying and filter, reduce the dust that contains in the output air, improve defeated wind quality, refer to fig. 2, fig. 3.

It is understood that the described embodiments are merely exemplary of the invention, rather than exemplary of the whole, and that those skilled in the art will be able to make various modifications, additions and substitutions to the described embodiments without departing from the spirit of the invention or exceeding the scope of the claims. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure.

Claims

1. The utility model provides a device of making an uproar falls in central air conditioning air-out, includes air outlet (1) of intercommunication central air conditioning air delivery pipeline, its characterized in that, air outlet (1) inside is provided with sound-proof housing (2), funnel groove (3) have been seted up to sound-proof housing (2) middle part position, soundproof cotton pad (4) have been laid to the inner wall in funnel groove (3), and the both sides wall of funnel groove (3) communicates respectively and is provided with out tuber pipe (5), the one end that goes out tuber pipe (5) is provided with and falls subassembly (6) of making an uproar.

2. The air outlet and noise reduction device of the central air conditioner as claimed in claim 1, wherein one end of the sound-proof housing (2) is fitted to cover the inside of the air outlet (1), a damping patch (7) is arranged on the outer wall of the sound-proof housing (2), and a soundproof cotton layer (8) is arranged on the surface of the damping patch (7).

3. The air outlet noise reduction device of a central air conditioner according to claim 1, wherein the output ports of a set of air outlet pipes (5) are symmetrically arranged at two sides of the bottom of the air outlet (1), the noise reduction assembly (6) comprises a sound absorption cotton ring (61) and a sound insulation blanket (62), the sound absorption cotton ring (61) is arranged inside the output ports of the air outlet pipes (5) in a matching manner, and the sound insulation blanket (62) is wrapped on the outer wall of the air outlet pipes (5).

4. The air outlet and noise reduction device of the central air conditioner as claimed in claim 1, wherein a dust screen (9) is disposed on the surface of the sound-proof housing (2), and the dust screen (9) covers the input port of the funnel groove (3).

5. The air outlet noise reduction device of a central air conditioner according to claim 1, wherein a sound insulation board (10) is disposed at an end of the air outlet (1) close to the air outlet pipe (5), and one end of the air outlet pipe (5) penetrates through the sound insulation board (10).