Low-noise fan coil with noise reduction structure

By incorporating a sound-absorbing ring, reinforcing ribs, sound-absorbing cotton, and sound-absorbing panels into the fan coil unit, the noise pollution problem during operation of the fan coil unit is solved, achieving multiple noise reduction effects.

CN223709774UActive Publication Date: 2025-12-23YAKAI THERMAL TECH (JIANGSU) CO LTD
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Patent Information

Application Number
CN202520259271.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-23
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Noise pollution generated by fan coil units during operation can disturb people and the surrounding environment, and existing technologies are unable to effectively reduce the noise.

Method used

A low-noise fan coil unit with a silencing mechanism and a sound-absorbing mechanism was designed, including a silencing ring and sound-absorbing cotton. The silencing ring is designed to reduce noise by setting a silencing ring and reinforcing ribs on the inner wall of the silencing ring, and together with the sound-absorbing cotton and sound-absorbing panel structure, multiple noise reductions are achieved.

Benefits of technology

By using a sound-absorbing ring to block wind, diverting holes to divert airflow, sound-absorbing cotton to absorb noise, and sound-absorbing panels to buffer wind impact, multiple noise reduction methods are achieved, significantly reducing noise pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-noise fan coil with a noise reduction structure, which relates to the technical field of fan coils, and comprises a fan coil body, the fan coil body comprises a pipe body shell, a connecting sleeve is fixedly mounted at the connecting end of the pipe body shell, the connecting sleeve is connected with the fan shell, and a noise reduction structure is arranged on the connecting sleeve. A silencing mechanism is arranged in the pipe body shell, a sound absorption mechanism is arranged below the silencing mechanism, and the silencing mechanism comprises an inner cavity formed in the pipe body shell. The multiple sets of sound absorption plates are arranged at equal intervals, the impact of wind power is further reduced, the sound absorption plates are pushed by the wind power to rotate and move backwards on the outer surface of the bearing rod towards the two sides, the reset springs are extruded by means of backward movement of the sound absorption plates, and the sound absorption plates are made to rebound and reset by means of elastic reverse thrust of the reset springs. And in cooperation with the sound absorption plate, third noise reduction treatment is carried out, so that multiple noise reduction is achieved, and noise reduction is promoted to be more efficient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fan -coil technology field, concretely relates to a low noise fan -coil with noise reduction structure. BACKGROUND

[0002] Fan -coil unit is short for fan -coil, it is one of air conditioning system terminal devices that is composed of small fan, motor and coil (air heat exchanger) etc., when the coil passes through refrigerated water or hot water, the coil exchanges heat with the air outside, makes the air be cooled, dehumidified or heated to adjust the air parameter in the room, it is the commonly used cold and heat terminal device.

[0003] Fan -coil unit is short for fan -coil, it is one of air conditioning system terminal devices that is composed of small fan, motor and coil (air heat exchanger) etc., when the coil passes through refrigerated water or hot water, the coil exchanges heat with the air outside, makes the air be cooled, dehumidified or heated to adjust the air parameter in the room, it is the commonly used cold and heat terminal device. UTILITY MODEL CONTENT

[0004] The utility model discloses a low noise fan -coil with noise reduction structure to solve the problem in the background art.

[0005] To solve the above technical problem, the utility model adopts the technical scheme of:

[0006] A low noise fan -coil with noise reduction structure, including fan -coil body, the fan -coil body includes the pipe body shell, the connecting end of pipe body shell is fixedly installed with the connecting sleeve, and the connecting sleeve is connected with the fan shell.

[0007] The inside of the pipe body shell is provided with a sound absorbing mechanism, and the sound absorbing mechanism is provided with a sound absorbing mechanism below.

[0008] The utility model technical scheme further improves in that: the sound absorbing mechanism includes the inner chamber in the pipe body shell, the inner wall of the inner chamber is fixedly installed with the bearing plate, the bearing plate can support the sound absorbing ring, and the wind power is further supported.

[0009] The utility model technical scheme further improves in that: the inside of the bearing plate is fixedly installed with the sound absorbing ring, the inner wall of the sound absorbing ring is fixedly installed with the reinforcing rib, the reinforcing rib is provided with four groups, and the other end is fixedly connected at the center point of the sound absorbing ring, and the reinforcing rib can also bear the wind power.

[0010] The utility model technical scheme further improves in that: the inside of the sound absorbing ring is provided with the shunt hole on one side of the reinforcing rib, the shunt hole is provided with four groups, and the shunt hole handles the shunt of the wind power.

[0011] The further improvement of the utility model technical scheme lies in: the inner wall of the inner cavity is fixedly installed with sound absorbing cotton, the sound absorbing cotton is attached to the inside of the inner cavity, the sound absorbing cotton can adsorb the generated noise, thereby achieving noise reduction.

[0012] The further improvement of the utility model technical scheme lies in: the sound absorbing mechanism comprises bearing rods fixedly installed at the inner walls of the front and back sides of the inner cavity, sound absorbing plates are rotationally connected to the outer surfaces of the bearing rods, multiple groups of sound absorbing plates are arranged at equal intervals, and the impact of wind force is further reduced.

[0013] The further improvement of the utility model technical scheme lies in: the other end of the sound absorbing plate is fixedly installed with a connecting plate on the rear side, a reset spring is fixedly installed on the rear side of the connecting plate, the other end of the reset spring is fixedly installed on the inner walls of the two sides of the inner cavity, the rear movement of the sound absorbing plate further extrudes the reset spring, the elastic counter thrust of the reset spring is utilized to make the sound absorbing plate rebound and reset, thereby buffering the impact of wind force.

[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] The utility model provides a low noise fan coil with noise reduction structure, can block wind force through setting sound absorbing ring, and cooperates shunt hole and carries out shunt treatment to wind force, thereby carries out first heavy noise reduction.

[0016] The utility model provides a low noise fan coil with noise reduction structure, can load wind force through setting reinforcing rib, then surges downward, enters the rear end of the inner cavity, cooperates sound absorbing cotton and can adsorb the generated noise, thereby achieves second heavy noise reduction.

[0017] The utility model provides a low noise fan coil with noise reduction structure, multiple groups of sound absorbing plates are arranged at equal intervals through setting, further reduce the impact of wind force, the sound absorbing plate feels the driving of wind force, makes it move to the rear of the two sides on the outer surface of the bearing rod, utilizes the rear movement of the sound absorbing plate and further extrudes the reset spring, utilizes the elastic counter thrust of the reset spring and makes it rebound and reset, thereby buffers the impact of wind force, cooperates the third heavy noise reduction treatment of the sound absorbing plate, thereby realizes multiple noise reduction, promotes the more efficient noise reduction. ACCURACY

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the inner cavity structure schematic diagram of the utility model;

[0020] Figure 3 It is the pipe body shell structure section schematic diagram of the utility model;

[0021] Figure 4 This is a schematic diagram of the sound-absorbing ring structure of this utility model;

[0022] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point A.

[0023] In the diagram: 1. Fan coil unit body; 2. Outer shell of the tube; 21. Inner cavity; 22. Bearing plate; 23. Silencing ring; 231. Reinforcing rib; 232. Diverting hole; 24. Sound-absorbing cotton; 25. Bearing rod; 26. Sound-absorbing plate; 27. Connecting plate; 28. Return spring; 3. Connecting sleeve. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0025] like Figures 1-5 As shown, this utility model provides a low-noise fan coil unit with a noise reduction structure, including a fan coil unit body 1. The fan coil unit body 1 includes a pipe shell 2. A connecting sleeve 3 is fixedly installed at the connecting end of the pipe shell 2 and is connected to the fan shell. A silencing mechanism is provided inside the pipe shell 2, and a sound absorption mechanism is provided below the silencing mechanism. The silencing mechanism includes an inner cavity 21 opened inside the pipe shell 2. A bearing plate 22 is fixedly installed on the inner wall of the inner cavity 21. A silencing ring 23 is fixedly installed inside the bearing plate 22. A reinforcing rib 231 is fixedly installed on the inner wall of the silencing ring 23. Four sets of reinforcing ribs 231 are provided, and their other ends are fixedly connected to the center point of the silencing ring 23. A diversion hole 232 is opened on one side of the reinforcing rib 231 inside the silencing ring 23. Four sets of diversion holes 232 are provided.

[0026] Furthermore, the airflow enters the interior of the inner cavity 21 through the outer shell 2 of the pipe body, and supports the sound-absorbing ring 23 with the support plate 22. The sound-absorbing ring 23 can block the wind force and, together with the diversion hole 232, divert the wind force, thereby performing the first level of noise reduction. Example

[0027] like Figures 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, sound-absorbing cotton 24 is fixedly installed on the inner wall of the inner cavity 21, and the sound-absorbing cotton 24 fits around the inside of the inner cavity 21.

[0028] Further, the reinforcing ribs 231 can bear the wind force, which then surges downward into the rear end of the inner cavity 21, and cooperate with the sound-absorbing cotton 24 to absorb the generated noise, thereby achieving the second noise reduction. Embodiment

[0029] As Figures 1-5 shown, on the basis of Embodiments 1-2, the utility model provides a technical scheme: preferably, the sound-absorbing mechanism comprises bearing rods 25 fixedly installed at the inner walls on the front and rear sides of the inner cavity 21, the outer surfaces of the bearing rods 25 are rotationally connected with sound-absorbing plates 26, the other end rear side of the sound-absorbing plates 26 is fixedly installed with connecting plates 27, the rear side of the connecting plates 27 is fixedly installed with return springs 28, and the other end of the return springs 28 is fixedly installed on the inner walls on the two sides of the inner cavity 21.

[0030] Further, the multiple sets of sound-absorbing plates 26 are arranged at equal intervals to further reduce the impact of the wind force, the sound-absorbing plates 26 are pushed by the wind force to rotate on the outer surfaces of the bearing rods 25 to move rearward on both sides, the rearward movement of the sound-absorbing plates 26 further presses the return springs 28, the elastic counteracting force of the return springs 28 promotes the sound-absorbing plates 26 to rebound to the original position, thereby buffering the impact of the wind force, and cooperating with the sound-absorbing plates 26 to perform the third noise reduction.

[0031] The working principle of the low-noise fan coil with the noise reduction structure will be described in detail below.

[0032] As Figures 1-5 shown, when in use, the wind flow enters the inside of the inner cavity 21 through the pipe body shell 2, and cooperates with the bearing plate 22 to support the sound-absorbing ring 23, the sound-absorbing ring 23 can block the wind force and cooperate with the shunt holes 232 to perform shunt processing on the wind force, the reinforcing ribs 231 can bear the wind force, which then surges downward into the rear end of the inner cavity 21, and cooperate with the sound-absorbing cotton 24 to absorb the generated noise, thereby achieving the second noise reduction, the multiple sets of sound-absorbing plates 26 are arranged at equal intervals to further reduce the impact of the wind force, the sound-absorbing plates 26 are pushed by the wind force to rotate on the outer surfaces of the bearing rods 25 to move rearward on both sides, the rearward movement of the sound-absorbing plates 26 further presses the return springs 28, the elastic counteracting force of the return springs 28 promotes the sound-absorbing plates 26 to rebound to the original position, thereby buffering the impact of the wind force, and cooperating with the sound-absorbing plates 26 to perform the third noise reduction.

[0033] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A low noise fan coil with noise reduction structure, comprising a fan coil body (1), characterized in that: The fan coil body (1) includes a pipe shell (2), the connecting end of the pipe shell (2) is fixedly installed with a connecting sleeve (3), and the connecting sleeve (3) is connected with a fan shell; The pipe shell (2) is internally provided with a sound absorbing mechanism, and the sound absorbing mechanism is provided below with a sound absorbing mechanism.

2. The low noise fan-coil with noise reduction structure according to claim 1, characterized in that: The sound absorbing mechanism includes an inner cavity (21) formed in the pipe shell (2), and a bearing plate (22) is fixedly installed on the inner wall of the inner cavity (21).

3. The low noise fan-coil with noise reduction structure according to claim 2, characterized in that: The bearing plate (22) is internally fixedly installed with a sound absorbing ring (23), the inner wall of the sound absorbing ring (23) is fixedly installed with a reinforcing rib (231), the reinforcing rib (231) is provided with four groups, and the other end is fixedly connected to the center point of the sound absorbing ring (23).

4. The low noise fan-coil with noise reduction structure according to claim 3, characterized in that: The sound absorbing ring (23) is internally provided with a shunt hole (232) on one side of the reinforcing rib (231), and the shunt hole (232) is provided with four groups.

5. The low noise fan-coil with noise reduction structure according to claim 4, characterized in that: The inner wall of the inner cavity (21) is fixedly installed with sound absorbing cotton (24), and the sound absorbing cotton (24) is attached to the inner wall of the inner cavity (21).

6. The low noise fan-coil with noise reduction structure according to claim 1, characterized in that: The sound absorbing mechanism includes a bearing rod (25) fixedly installed on the inner wall of the inner cavity (21) at the front and rear sides, and the outer surface of the bearing rod (25) is rotatably connected with a sound absorbing plate (26).

7. The low noise fan-coil with noise reduction structure according to claim 6, characterized in that: The other end of the sound absorbing plate (26) is fixedly installed with a connecting plate (27), the rear side of the connecting plate (27) is fixedly installed with a reset spring (28), and the other end of the reset spring (28) is fixedly installed on the inner wall of the inner cavity (21).