Fan filter unit capable of reducing noise

Abstract

The utility model discloses a fan filter unit capable of reducing noise, and relates to the technical field of fan filtration. Comprising a fixed outer frame and a noise reduction structure, the noise reduction structure is arranged in the fixed outer frame and comprises a rubber pad, a fan frame, an air outlet pipe and a fixed pipe, one side of the outer wall of the fan frame is fixedly arranged in the fixed outer frame through the rubber pad, a buffer spring is fixedly arranged between the other side of the outer wall of the fan frame and the fixed outer frame, and the outer wall of the air outlet pipe is fixedly embedded in the fixed outer frame; one side of the outer wall of the fixing pipe is fixedly arranged on the fixing outer frame, and the outer wall of the fan frame is embedded between the air outlet pipe and the fixing pipe in a sliding mode. Through a rubber pad, a fan frame, an air outlet pipe, a fixed pipe, a sliding frame and an arc-shaped baffle net, the vibration influence caused by a fan can be reduced by utilizing a buffer structure outside the fan frame, so that vibration cannot act on a filter unit, noise is avoided, and a filter structure can be extracted from two sides, so that a filter part is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of fan filtering, in particular to a fan filter unit capable of reducing noise. Background Art

[0002] Currently, the filter unit is a key component in the air purification system, used to remove particles from the air or gas. The filter unit includes a filter bag and a frame and other structures to accommodate the filter bag and provide a free passage. FFU (fan filter unit) is an air filter system with its own fan, suitable for obtaining a 100-1 class clean environment in a 100000-1000 class environment, and is an ideal component for clean rooms.

[0003] At present, the filter unit and the single-layer filter net easily lead to the accumulation of large and small particles of impurities at the same time, which is easy to be clogged after long-term use and is inconvenient to replace. In addition, the fan is prone to vibration when working, which acts on the filter unit, generating noise and causing noise pollution. Utility Model Content

[0004] The utility model provides a fan filter unit with noise reduction. Through rubber pads, fan frame, air outlet pipe, fixed pipe, sliding frame and arc-shaped baffle, the buffer structure outside the fan frame can be used to reduce the vibration impact caused by the fan, so that the vibration cannot act on the filter unit, thereby avoiding the generation of noise. Moreover, the filter structure can be extracted from both sides, thereby facilitating the replacement of the filter part.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fan filter unit capable of reducing noise, comprising:

[0006] Fixed outer frame;

[0007] Noise reduction structure, located in the fixed outer frame;

[0008] The noise reduction structure includes a rubber pad, a fan frame, an air outlet pipe and a fixed pipe, one side of the outer wall of the fan frame is fixedly arranged in the fixed outer frame through the rubber pad, a buffer spring is fixedly arranged between the other side of the outer wall of the fan frame and the fixed outer frame, the outer wall of the air outlet pipe is fixedly embedded in the fixed outer frame, one side of the outer wall of the fixed pipe is fixedly arranged on the fixed outer frame, and the outer wall of the fan frame is slidably embedded between the air outlet pipe and the fixed pipe;

[0009] The filtering structure is provided with two filtering structures, and both filtering structures are slidably embedded in the fixed outer frame.

[0010] As a noise-reducing fan filter unit of the utility model, each of the filtering structures includes a sliding frame, an arc-shaped baffle, a filter inner core and a main fixed plate, and the outer wall of the sliding frame is slidably embedded in the fixed outer frame.

[0011] As a noise-reducing fan filter unit of the utility model, one side of the outer wall of the main fixing plate is fixed on the sliding frame, the side of the main fixing plate close to the sliding frame is fixed to the fixed outer frame by screws, and the inner wall of the main fixing plate is fixedly embedded with a main baffle.

[0012] As a noise-reducing fan filter unit of the utility model, one side of the outer wall of the arc-shaped baffle is fixed on the sliding frame, and the outer wall of the filter core is embedded between the sliding frame, the arc-shaped baffle and the main baffle.

[0013] As a noise-reducing fan filter unit of the utility model, a rotating motor is installed on the inner wall of the fan frame, and a plurality of blades are fixedly provided on the outer wall of the rotating motor at equal distances along the circumferential surface.

[0014] As a noise-reducing fan filter unit of the utility model, a secondary baffle is fixedly embedded on one side of the outer wall of the fixed outer frame, and a secondary baffle net is fixedly embedded on the inner wall of the secondary baffle.

[0015] The utility model provides a fan filter unit capable of reducing noise, which has the following beneficial effects:

[0016] (1) The noise-reducing fan filter unit (FFU) can utilize the buffer structure outside the fan frame through rubber pads, fan frame, air outlet pipe, fixed pipe, sliding frame and arc-shaped baffle to reduce the vibration impact caused by the fan, so that the vibration cannot act on the filter unit, avoiding the generation of noise. In addition, the filter structure can be extracted from both sides, making it convenient to replace the filter part. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the main view of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 This is an exploded view of the present invention.

[0020] In the figure: 1. Fixed outer frame; 2. Rubber pad; 3. Fan frame; 4. Air outlet duct; 5. Fixed pipe; 6. Sliding frame; 7. Arc baffle; 8. Filter inner core; 9. Main fixed plate; 10. Main baffle; 11. Rotating motor; 12. Blades; 13. Auxiliary baffle; 14. Auxiliary baffle; 15. Buffer spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solutions in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of this utility, not all of the embodiments. Based on the embodiment of this utility, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility.

[0022] See also Figure 1-3 The utility model provides a technical solution: a fan filter unit capable of reducing noise, comprising:

[0023] Fixed outer frame 1;

[0024] The noise reduction structure is arranged in the fixed outer frame 1;

[0025] The noise reduction structure includes a rubber pad 2, a fan frame 3, an air outlet pipe 4 and a fixed pipe 5. One side of the outer wall of the fan frame 3 is fixed to the fixed outer frame 1 through the rubber pad 2. A buffer spring 15 is fixed between the other side of the outer wall of the fan frame 3 and the fixed outer frame 1. The outer wall of the air outlet pipe 4 is fixedly embedded in the fixed outer frame 1. One side of the outer wall of the fixed pipe 5 is fixed to the fixed outer frame 1. The outer wall of the fan frame 3 is slidably embedded between the air outlet pipe 4 and the fixed pipe 5.

[0026] Filtering structure: There are two filtering structures, and both filtering structures are slidably embedded in the fixed outer frame 1.

[0027] In this embodiment: the noise reduction structure and the filtering structure can be protected by the fixed outer frame 1, the rubber pad 2 can fix the fan frame 3 between the fixed outer frame 1 to form an elastic buffer, thereby reducing the impact of vibration, the air outlet pipe 4 can allow the filtered air to flow outward, the fixed pipe 5 can cooperate with the air outlet pipe 4 to clamp the fan frame 3, and the buffer spring 15 is used to provide a buffer for the connection between the fan frame 3 and the fixed outer frame 1.

[0028] Specifically, each filter structure includes a sliding frame 6 , an arc-shaped baffle 7 , a filter inner core 8 and a main fixed plate 9 , and the outer wall of the sliding frame 6 is slidably embedded in the fixed outer frame 1 .

[0029] In this embodiment, the sliding frame 6 can be slidably embedded in the fixed outer frame 1, so that it is convenient to take it out and replace it.

[0030] Specifically, one side of the outer wall of the main fixing plate 9 is fixed on the sliding frame 6, and the side of the main fixing plate 9 close to the sliding frame 6 is fixed to the fixed outer frame 1 by screws, and the inner wall of the main fixing plate 9 is fixedly embedded with a main baffle 10.

[0031] In this embodiment, the sliding frame 6 can be fixed in the fixed outer frame 1 by the main fixing plate 9, and the main baffle 10 can prevent the filter core 8 from being squeezed out while ensuring the circulation of air.

[0032] Specifically, one side of the outer wall of the arc-shaped baffle 7 is fixed on the sliding frame 6 , and the outer wall of the filter core 8 is embedded between the sliding frame 6 , the arc-shaped baffle 7 and the main baffle 10 .

[0033] In this embodiment, the arc-shaped blocking net 7 can prevent the filter core 8 from being squeezed out while ensuring the circulation of air. The filter core 8 can block large and small particles of impurities in the air and maintain the flow of air.

[0034] Specifically, a rotating motor 11 is installed on the inner wall of the fan frame 3 , and a plurality of blades 12 are fixedly provided on the outer wall of the rotating motor 11 at equal intervals along the circumferential surface.

[0035] In this embodiment, when the rotating motor 11 is powered on, it rotates in the fan frame 3 and drives the multiple blades 12 to rotate, forming an air differential pressure, so that air enters from both sides of the fixed outer frame 1 and flows out from the air outlet 4.

[0036] Specifically, a secondary baffle 13 is fixedly embedded on one side of the outer wall of the fixed outer frame 1 , and a secondary baffle net 14 is fixedly embedded on the inner wall of the secondary baffle 13 .

[0037] In this embodiment, the auxiliary baffle 13 can fix the auxiliary baffle 14 and prevent foreign matter from entering and being bitten by the fan frame 3, thereby providing protection.

[0038] When in use, the fixed outer frame 1 can protect the noise reduction structure and the filtering structure. The rubber pad 2 can fix the fan frame 3 between the fixed outer frame 1 to form an elastic buffer to reduce the impact of vibration. The air outlet pipe 4 can make the filtered air flow outward. The fixed pipe 5 can cooperate with the air outlet pipe 4 to clamp the fan frame 3. The buffer spring 15 is used to make the connection between the fan frame 3 and the fixed outer frame 1 buffered. The sliding frame 6 can be slidably embedded in the fixed outer frame 1, so as to facilitate the removal and replacement. The main fixing plate 9 can make the sliding frame 6 fixed in the fixed outer frame 1. The main baffle 10 can prevent the filter core 8 from being squeezed out while ensuring the circulation of air. The arc baffle 7 can prevent the filter core 8 from being squeezed out while ensuring To ensure the circulation of air, the filter core 8 can block large and small particles of impurities in the air and keep the air flowing. When the rotary motor 11 is powered on, it rotates in the fan frame 3 and drives multiple blades 12 to rotate, forming an air differential pressure, so that air enters from both sides of the fixed outer frame 1 and flows out from the air outlet pipe 4. The auxiliary baffle 13 can fix the auxiliary baffle 14 and prevent foreign matter from entering the fan frame 3 to form protection. The buffer structure outside the fan frame 3 can be used to reduce the vibration impact caused by the fan, so that the vibration cannot act on the filter unit, avoiding the generation of noise, and the filter structure can be extracted from both sides, thereby facilitating the replacement of the filter part.

[0039] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fan filter unit capable of reducing noise, characterized in that: include: Fixed outer frame (1); A noise reduction structure is provided in the fixed outer frame (1); The noise reduction structure comprises a rubber pad (2), a fan frame (3), an air outlet pipe (4) and a fixed pipe (5); one side of the outer wall of the fan frame (3) is fixedly arranged in the fixed outer frame (1) through the rubber pad (2); a buffer spring (15) is fixedly arranged between the other side of the outer wall of the fan frame (3) and the fixed outer frame (1); the outer wall of the air outlet pipe (4) is fixedly embedded in the fixed outer frame (1); one side of the outer wall of the fixed pipe (5) is fixedly arranged on the fixed outer frame (1); and the outer wall of the fan frame (3) is slidably embedded between the air outlet pipe (4) and the fixed pipe (5); The filter structure is provided with two filter structures, and both filter structures are slidably embedded in the fixed outer frame (1).

2. The noise-reducing fan filter unit according to claim 1, characterized in that: Each of the filtering structures comprises a sliding frame (6), an arc-shaped baffle (7), a filtering inner core (8) and a main fixed plate (9); the outer wall of the sliding frame (6) is slidably embedded in the fixed outer frame (1).

3. The noise-reducing fan filter unit according to claim 2, characterized in that: One side of the outer wall of the main fixing plate (9) is fixed on the sliding frame (6), and the side of the main fixing plate (9) close to the sliding frame (6) is fixed on the fixed outer frame (1) by screws, and the inner wall of the main fixing plate (9) is fixedly embedded with a main blocking net (10).

4. The noise-reducing fan filter unit according to claim 3, characterized in that: One side of the outer wall of the arc-shaped baffle (7) is fixed on the sliding frame (6), and the outer wall of the filter inner core (8) is embedded between the sliding frame (6), the arc-shaped baffle (7) and the main baffle (10).

5. The noise-reducing fan filter unit according to claim 4, characterized in that: A rotating motor (11) is mounted on the inner wall of the fan frame (3), and a plurality of blades (12) are fixedly mounted on the outer wall of the rotating motor (11) at equal distances along the circumferential surface.

6. The noise-reducing fan filter unit according to claim 5, characterized in that: An auxiliary baffle (13) is fixedly embedded on one side of the outer wall of the fixed outer frame (1), and an auxiliary baffle net (14) is fixedly embedded on the inner wall of the auxiliary baffle (13).

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