CN211552005U

CN211552005U - Noise reduction device for central air-conditioning fan coil

Info

Publication number: CN211552005U
Application number: CN202020220458.9U
Authority: CN
Inventors: 李进
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-09-22
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a central air conditioning fan coil noise reduction device, including fan coil, fan coil one side is fixed with noise reduction pipe through the bolt, and noise reduction pipe one side is fixed with the flange through the bolt, the flange opposite side is fixed with the play tuber pipe through the bolt, and goes out the tuber pipe inner wall and fix with the buffer board through the bolt, and sound absorbing cotton is placed at the buffer board top, and sound absorbing cotton is located between buffer board and play tuber pipe, buffer board one side is fixed with the support through the bolt, and sets up a plurality of interfaces on one side of the support, and peg graft in the interface, and the peg top is fixed with the deep bead through the bolt, and deep bead one side is provided with first spring, and the first spring other end links to each other with the support, go out tuber pipe one side and set up; the utility model discloses a propagation that falls the pipe of making an uproar can the separation noise has improved the efficiency of making an uproar, can reach the purpose of deceleration with air conditioner wind reposition of redundant personnel, can reduce because the noise that the machine vibrations produced, improves the quality of making an uproar.

Description

Noise reduction device for central air-conditioning fan coil

Technical Field

The utility model particularly relates to a technical field that makes an uproar falls in the air conditioner especially relates to a device of making an uproar falls in central air conditioning fan coil pipe.

Background

A fan-coil unit is called a fan coil for short. The fan coil noise reduction device is one of end devices of an air conditioning system consisting of a small fan, a motor, a coil (air heat exchanger) and the like and can be divided into a vertical type, a horizontal type, a wall-mounted type, a clamping type and the like, when chilled water or hot water flows through a coil pipe, heat exchange is carried out between the chilled water or the hot water and air outside the pipe, so that the air is cooled, dehumidified or heated to adjust indoor air parameters, the fan coil is a common cold supply and heat supply end device, the fan coil can generate large noise, and various fan coil noise reduction devices on the market still have various problems.

As the device of making an uproar falls in central air conditioning fan coil that publication number is CN209246358U, including air conditioner fan, the inner wall fixedly connected with fan pipe of air conditioner fan air outlet, the cotton is inhaled to the inner wall fixedly connected with of fan pipe, inhales the cotton inner circle fixedly connected with of sound and is hemispherical buffering ball, and the buffering ball is hollow form, inhales the cotton inside of sound and has placed the reference column, above-mentioned patent is following not enough in addition: the noise reduction can not be carried out more effectively, and the noise reduction effect is not good, so that the noise reduction device for the coil pipe of the central air-conditioning fan is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a central air-conditioning fan coil noise reduction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a device of making an uproar falls in central air conditioning fan coil, includes fan coil, fan coil one side is fixed with through the bolt and is fallen the pipe of making an uproar, and falls pipe one side of making an uproar and have the flange through the bolt fastening, and the flange opposite side has a tuber pipe through the bolt fastening, and goes out the tuber pipe inner wall and have the buffer board through the bolt fastening, and has placed at the buffer board top and inhale the sound cotton, and inhale the sound cotton and be located the buffer board and go out between the tuber pipe, buffer board one side is fixed with the support through the bolt fastening, and has a plurality of interfaces on one side of the support, and it has the guide post to peg graft in the interface, and has the deep bead through the bolt fastening on the guide post top.

Furthermore, a vacuum tube is fixed in the noise reduction tube through a bolt and is positioned on one side of the fan coil.

Furthermore, a plurality of buffer blocks are arranged in the noise reduction pipe and are positioned on one side of the vacuum pipe.

Furthermore, an air guide cover is arranged on one side of the air outlet, and an air guide column is inserted into one side of the air guide cover.

Furthermore, a plurality of buffer holes are formed in one side of the buffer plate, and the buffer holes are located on one side of the sound absorption cotton.

Furthermore, a sound absorption plate is fixed on one side of the wind shield through a bolt and is positioned above the wind shield.

Further, still include supporting shoe and dust screen, it has the supporting shoe to go out the tuber pipe bottom through the bolt fastening, and the supporting shoe bottom is provided with the second spring, and the second spring other end has the fixed block through the bolt fastening, and wind scooper one side has the dust screen through the bolt fastening, and the dust screen is located wind guide post one side.

The utility model has the advantages that:

1. through the setting of falling the pipe of making an uproar, the buffer block of falling the pipe of making an uproar can reduce the speed of air conditioner wind to the production of noise reduction, the propagation of the transmission of separation noise to a certain extent can be in the vacuum tube of inner wall parcel, has improved the efficiency of making an uproar.

2. Through the setting of deep bead and buffer board, can avoid air conditioner wind to prop up to connect striking wind-guiding post and send the noise, can reach the purpose of deceleration through the buffer board with air conditioner wind reposition of redundant personnel moreover, improved the quality of making an uproar that falls.

3. Through the setting of fixed block and second spring, the second spring gives the certain buffering of machine, reduces vibrations, can reduce because the noise that the machine vibrations produced, improves the quality of making an uproar.

4. Through the setting of dust screen, can play certain dustproof effect to the machine is inside, avoid the machine because the dust piles up and cause the production of noise, also prolonged the life of the inside spare part of machine simultaneously.

Drawings

Fig. 1 is a schematic perspective view of a noise reduction device of a central air-conditioning fan coil unit in an embodiment 1 of the present invention;

fig. 2 is a schematic view of an internal structure of a noise reduction device of a central air-conditioning fan coil unit in an embodiment 1 of the present invention;

fig. 3 is an enlarged schematic structural view of a position a of the noise reduction device of the fan coil of the central air conditioner in accordance with the embodiment 1 of the present invention;

fig. 4 is a schematic perspective view of the embodiment 2 of the noise reduction device for a central air-conditioning fan coil according to the present invention.

In the figure: 1. a fan coil; 2. a noise reduction tube; 3. an air outlet pipe; 4. a wind scooper; 5. a wind guide post; 6. a flange; 7. sound-absorbing cotton; 8. a buffer plate; 9. a support; 10. a guide post; 11. a first spring; 12. a wind deflector; 13. a buffer block; 14. a vacuum tube; 15. a support block; 16. a second spring; 17. a fixed block; 18. a dust screen.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Example 1

Referring to fig. 1-3, a noise reduction device for a central air-conditioning fan coil comprises a fan coil 1, wherein one side of the fan coil 1 is fixed with a noise reduction pipe 2 through a bolt, one side of the noise reduction pipe 2 is fixed with a flange 6 through a bolt, the other side of the flange 6 is fixed with an air outlet pipe 3 through a bolt, the inner wall of the air outlet pipe 3 is fixed with a buffer plate 8 through a bolt, the top of the buffer plate 8 is placed with a sound absorption cotton 7, the sound absorption cotton 7 is positioned between the buffer plate 8 and the air outlet pipe 3, one side of the buffer plate 8 is fixed with a bracket 9 through a bolt, one side of the bracket 9 is provided with a plurality of inserting ports, guiding columns 10 with smooth outer walls are inserted and connected in the inserting ports, the top ends of the guiding columns 10 are fixed with wind shields 12 through bolts, the arrangement of the wind shields 12 and the buffer plate 8 can prevent the air-conditioning wind from being connected and impacting the, the noise reduction quality is improved, a first spring 11 is arranged on one side of the wind shield 12, the other end of the first spring 11 is connected with the support 9, and an air outlet is formed in one side of the air outlet pipe 3.

The inside vacuum tube 14 that has through the bolt fastening of noise reduction pipe 2, vacuum tube 14 can be to a certain extent the propagation of separation noise, the efficiency of making an uproar is fallen has been improved, and vacuum tube 14 is located 1 one side of fan coil, be provided with a plurality of buffer blocks 13 in the noise reduction pipe 2, buffer block 13 can reduce the speed of air conditioner wind, thereby the production of noise reduction, and buffer block 13 is located vacuum tube 14 one side, air outlet one side is provided with wind scooper 4, and it has wind guide post 5 to peg graft in wind scooper 4 one side, a plurality of buffering holes have been seted up to buffer plate 8 one side, and the buffering hole is located inhales cotton 7 one side of sound, there is the acoustic baffle that is used for noise absorption on wind shield 12 one side through the bolt fastening.

The working principle of the embodiment is as follows: when making an uproar when the air conditioner wind through fan coil exhaust air conditioner wind need fall, air conditioner wind at first through falling the pipe 2 of making an uproar, buffer block 13 in falling the pipe 2 of making an uproar can have certain cushioning effect to air conditioner wind, the inside vacuum tube 14 of falling the pipe 2 of making an uproar can certain separation noise propagation, then get into out tuber pipe 3 after the noise reduction processing, air conditioner wind meets stopping of deep bead 12 and can dispel to all around, first spring 11 of deep bead 12 one side can play certain shock attenuation effect to deep bead 12, after meeting the buffer board 8 in the play tuber pipe 3, carry out the secondary buffering, inhale sound cotton 7 and fall the absorption of making an uproar to the air conditioner wind noise of striking on buffer board 8, then discharge through comparatively smooth wind guide post 5.

Example 2

Referring to fig. 4, a central air-conditioning fan coil noise reduction device, in this embodiment, compared with embodiment 1, the main difference lies in this embodiment, further including a supporting block 15 and a dust screen 18, the supporting block 15 is fixed to the bottom of the air outlet pipe 3 through a bolt, and a second spring 16 is arranged at the bottom of the supporting block 15, the second spring 16 gives a certain buffer to the machine, reduces vibration, can reduce noise generated due to machine vibration, and improves noise reduction quality, a fixed block 17 is fixed to the other end of the second spring 16 through a bolt, a dust screen 18 is fixed to one side of the air guide cover 4 through a bolt, the dust screen 18 can play a certain dustproof role to the inside of the machine, thereby avoiding noise generation caused by dust accumulation of the machine, and simultaneously, service lives of parts inside the machine are also prolonged, and the dust screen 18 is located on one side of the air guide.

The working principle of the embodiment is as follows: when the machine vibrates, the second spring 16 at the bottom of the supporting block 15 and the fixed block 17 generate acting force to absorb the shock of the air outlet pipe 3 when the air outlet pipe and the fixing device generate friction noise, and when the machine needs to be prevented from dust, the dust screen 18 on the air guide cover 4 can prevent dust to a certain extent.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A noise reduction device of a central air-conditioning fan coil comprises a fan coil (1) and is characterized in that one side of the fan coil (1) is fixedly connected with a noise reduction pipe (2), one side of the noise reduction pipe (2) is fixedly connected with a flange (6), the other side of the flange (6) is fixedly connected with an air outlet pipe (3), the inner wall of the air outlet pipe (3) is fixedly connected with a buffer plate (8), sound absorption cotton (7) is placed at the top of the buffer plate (8), the sound absorption cotton (7) is positioned between the buffer plate (8) and the air outlet pipe (3), one side of the buffer plate (8) is fixedly connected with a bracket (9), one side of the bracket (9) is provided with a plurality of inserting ports, guide columns (10) are inserted in the inserting ports, the top ends of the guide columns (10) are fixedly connected with a wind shield (12), one side of the wind shield (12) is provided with first springs (11), and, an air outlet is formed in one side of the air outlet pipe (3).

2. The fan coil noise reduction device of claim 1, further comprising: a vacuum pipe (14) is fixedly connected inside the noise reduction pipe (2), and the vacuum pipe (14) is located on one side of the fan coil (1).

3. The fan coil noise reduction device of claim 1, further comprising: a plurality of buffer blocks (13) are arranged in the noise reduction pipe (2), and the buffer blocks (13) are located on one side of the vacuum pipe (14).

4. The fan coil noise reduction device of claim 1, further comprising: and an air guide cover (4) is arranged on one side of the air outlet, and an air guide column (5) is inserted into one side of the air guide cover (4).

5. The fan coil noise reduction device of claim 1, further comprising: a plurality of buffer holes are formed in one side of the buffer plate (8), and the buffer holes are located in one side of the sound absorption cotton (7).

6. The fan coil noise reduction device of claim 1, further comprising: and a sound absorption plate is fixedly connected to one side of the wind shield (12), and is positioned above the wind shield (12).

7. The fan coil noise reduction device of claim 4, wherein: the wind guide cover is characterized by further comprising a supporting block (15) and a dust screen (18), the bottom of the wind outlet pipe (3) is fixedly connected with the supporting block (15), a second spring (16) is arranged at the bottom of the supporting block (15), the other end of the second spring (16) is fixedly connected with a fixing block (17), the dust screen (18) is fixedly connected to one side of the wind guide cover (4), and the dust screen (18) is located on one side of the wind guide column (5).