Novel low-noise energy-saving fan

By using sealant and sound insulation cover design in the fan, the fan noise problem is solved, the noise reduction effect is achieved, and the comfort of the working environment is improved.

CN223282293UActive Publication Date: 2025-08-29DAWA ELECTRIC (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202422677586.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-08-29
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The aerodynamic and mechanical noise generated by existing fans during operation have adverse effects on the comfort of the working environment.

Method used

The sealant and sound insulation cover design are designed to reduce the propagation of vibration and rotation noise of internal parts of the fan by sealing the back plate sealant between the back plate and the chassis, the air outlet sealant between the air outlet duct and the air supply worm gear, and the sound insulation cover.

Benefits of technology

It effectively reduces the generation and propagation of noise during the fan operation and improves the comfort of the working environment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223282293U_ABST
Patent Text Reader

Abstract

The utility model provides a novel low-noise energy-saving fan which comprises a main body assembly, and the main body assembly comprises a case, a driving motor, an air supply worm gear, an air outlet sealant, a back plate sealant, a filter, an air outlet pipe, a sealing back plate, a sound insulation cover and an air inlet pipe. And the driving motor is mounted on the outer side wall of the air supply worm gear. The control panel is used for controlling the driving motor to work, the driving motor drives the blades to rotate, external air flows into the air supply worm gear through the air inlet pipe after being filtered by the filter, and then is discharged from the air outlet pipe, so that the air supply operation is realized; the back plate sealant is arranged between the sealing back plate and the case, and the air outlet sealant is arranged between the air outlet pipe and the air supply worm gear, so that noise generated by vibration of parts in the fan can be reduced, noise transmission can be reduced through the sound insulation cover, the effect of reducing noise is achieved, and the comfort of the working environment is improved.
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Description

Technical Field

[0001] The utility model relates to an energy-saving fan, in particular to a novel low-noise energy-saving fan, belonging to the technical field of fans. Background Art

[0002] A fan is a machine used to compress and transport gas. It can also be understood as a machine that relies on input mechanical energy to increase gas pressure and transport the gas. It is the Chinese abbreviation for gas compression and gas transportation equipment. Commonly referred to as fans include ventilators and high-pressure fans. They are general-purpose mechanical equipment used in a wide range of fields.

[0003] Fans are often accompanied by high noise when working, including aerodynamic noise and mechanical noise;

[0004] Aerodynamic noise, including rotational noise and eddy noise. Rotational noise is generated by the interaction between the blades and the surrounding air; eddy noise is caused by the vortex generated by the interaction between the blades and the airflow.

[0005] Mechanical noise is caused by vibration, friction and impact of internal components of the fan;

[0006] Aerodynamic noise and mechanical noise will have adverse effects on the comfort of the working environment. Therefore, a new low-noise energy-saving fan is proposed. Utility Model Content

[0007] In view of this, the present invention provides a novel low-noise energy-saving fan to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0008] The technical solution of the embodiment of the utility model is achieved as follows: a new low-noise energy-saving fan includes a main body assembly, the main body assembly includes a chassis, a drive motor, an air supply worm wheel, an air outlet sealant, a back plate sealant, a filter, an air outlet pipe, a sealing back plate, a sound insulation cover and an air inlet pipe;

[0009] The drive motor is installed on the outer side wall of the air supply worm gear, and the air supply worm gear is fixedly connected to one side of the inner wall of the sound insulation cover by screws. The back plate sealant is arranged between the sealing back plate and the chassis, and the sealing back plate is fixedly connected to the chassis by screws. The air outlet sealant is located between the air outlet pipe and the air supply worm gear, and the air outlet pipe is installed at the air outlet of the air supply worm gear by screws. The filter is installed at the top of the air inlet pipe, and the air inlet pipe is installed at the air inlet of the air supply worm gear. The sound insulation cover is installed on the inner bottom wall of the chassis.

[0010] Further preferably, the air supply worm wheel and the drive motor are both located inside the sound insulation cover, and the sound insulation cover is located inside the chassis.

[0011] Further preferably, blades are provided in the air supply worm wheel, and the blades are fixedly connected to the motor shaft of the drive motor.

[0012] Further preferably, a frequency converter is installed on the inner bottom wall of the soundproof enclosure, and a control panel is installed on the front surface of the chassis.

[0013] Further preferably, handles are installed on both sides of the chassis.

[0014] Further preferably, a base assembly is provided below the main body assembly, and the base assembly includes a support base, a shock-absorbing pad, a support foot, an adjustment sleeve and four threaded columns;

[0015] The four threaded columns are symmetrically fixedly connected to the lower surface of the support base, the adjustment sleeve is rotatably connected to the upper surface of the support foot, and the shock-absorbing pad is adhered to the upper surface of the support base.

[0016] Further preferably, the lower surface of the chassis is in contact with the upper surface of the shock-absorbing pad, and the chassis is fixedly connected to the support base by screws.

[0017] Further preferably, the adjusting sleeve is threadedly connected to the outer side wall of the threaded column.

[0018] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0019] The utility model controls the operation of the driving motor through the control panel, and the driving motor drives the blades to rotate. The external air is filtered by the filter, flows into the air supply worm gear through the air inlet pipe, and is then discharged from the air outlet pipe, thereby realizing the air supply operation. During the operation, since the back plate sealant is provided between the sealing back plate and the chassis, and the air outlet sealant is provided between the air outlet pipe and the air supply worm gear, the noise generated by the vibration of the internal components of the fan can be reduced, and the sound insulation cover can reduce the spread of rotation noise and eddy current noise, thereby achieving the effect of reducing noise and improving the comfort of the working environment.

[0020] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 This is a structural diagram of the main components of the utility model;

[0023] Figure 2 This is a structural diagram of the soundproof cover of the utility model;

[0024] Figure 3 This is an exploded view of the main assembly of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation position of the base assembly of the present invention;

[0026] Figure 5 This is a structural diagram of the base assembly of the present utility model;

[0027] Figure 6 This is a structural diagram of the adjustment sleeve of the present utility model.

[0028] Figure numerals: 101, main body assembly; 11, chassis; 12, control panel; 13, drive motor; 14, air supply worm gear; 15, air outlet sealant; 16, back panel sealant; 17, filter; 18, air outlet duct; 19, sealed back panel; 20, inverter; 21, sound insulation cover; 22, air inlet duct; 23, handle; 301, base assembly; 31, support base; 32, shock-absorbing pad; 33, support foot; 34, adjustment sleeve; 35, threaded column. DETAILED DESCRIPTION

[0029] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0030] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0031] like Figures 1-6 As shown, the embodiment of the present utility model provides a new low-noise energy-saving fan, including a main body assembly 101, the main body assembly 101 includes a chassis 11, a drive motor 13, an air supply worm wheel 14, an air outlet sealant 15, a back plate sealant 16, a filter 17, an air outlet pipe 18, a sealing back plate 19, a soundproof cover 21 and an air inlet pipe 22;

[0032] The drive motor 13 is mounted on the outer wall of the air supply worm wheel 14, and the air supply worm wheel 14 is fixedly connected to one side of the inner wall of the sound insulation cover 21 by screws. The back plate sealant 16 is arranged between the sealing back plate 19 and the chassis 11, and the sealing back plate 19 is fixedly connected to the chassis 11 by screws. The air outlet sealant 15 is located between the air outlet pipe 18 and the air supply worm wheel 14, and the air outlet pipe 18 is installed at the air outlet of the air supply worm wheel 14 by screws. The filter 17 is installed at the top of the air inlet pipe 22, and the air inlet pipe 22 is installed at the air inlet of the air supply worm wheel 14. The sound insulation cover 21 is installed on the inner bottom wall of the chassis 11;

[0033] The air supply worm wheel 14 is provided with blades, which are fixedly connected to the motor shaft of the drive motor 13;

[0034] When the main assembly 101 is in operation, the driving motor 13 drives the blades to rotate, and the external air is filtered by the filter 17, flows into the air supply worm wheel 14 through the air inlet pipe 22, and then is discharged from the air outlet pipe 18, thereby realizing the air supply operation;

[0035] Since the back plate sealant 16 is provided between the sealing back plate 19 and the chassis 11 and the air outlet sealant 15 is provided between the air outlet pipe 18 and the air supply worm wheel 14, the noise generated by the vibration of the internal components of the fan can be reduced.

[0036] In one embodiment, the air supply worm gear 14 and the drive motor 13 are both located inside the sound insulation cover 21. The sound insulation cover 21 is located inside the chassis 11. The positions of the air supply worm gear 14 and the drive motor 13 can be located through the sound insulation cover 21. At the same time, the sound insulation cover 21 can reduce the propagation of noise, thereby achieving the effect of reducing noise.

[0037] In one embodiment, a frequency converter 20 is installed on the inner bottom wall of the soundproof cover 21, and a control panel 12 is installed on the front surface of the chassis 11. The signal end of the control panel 12 is connected to the signal end of the frequency converter 20, and the signal end of the frequency converter 20 is connected to the signal end of the drive motor 13, thereby controlling the working state of the fan.

[0038] In one embodiment, handles 23 are installed on both sides of the chassis 11, which facilitate carrying the entire chassis.

[0039] In one embodiment, a base assembly 301 is provided below the main assembly 101 , and the base assembly 301 includes a support base 31 , a shock-absorbing pad 32 , a support foot 33 , an adjustment sleeve 34 , and four threaded posts 35 ;

[0040] Four threaded columns 35 are symmetrically fixedly connected to the lower surface of the support base 31. The adjustment sleeve 34 is rotatably connected to the upper surface of the support foot 33. The shock-absorbing pad 32 is bonded to the upper surface of the support base 31. The support base 31 is used to support the main assembly 101. The shock-absorbing pad 32 between the support base 31 and the chassis 11 can play a shock-absorbing role, thereby enhancing the overall stability.

[0041] The shock-absorbing pad 32 is made of rubber.

[0042] In one embodiment, the lower surface of the chassis 11 is attached to the upper surface of the shock-absorbing pad 32, the chassis 11 is fixedly connected to the support base 31 by screws, and the adjustment sleeve 34 is threadedly connected to the outer wall of the threaded column 35. By rotating the adjustment sleeve 34, the height position of the support foot 33 can be adjusted so that the support base 31 can be kept level, thereby enhancing the stability of the fan when working.

[0043] When the utility model is in operation, the chassis 11 is moved to the working position by the handle 23, the air outlet pipe 18 is connected to the external air supply mechanism, the driving motor 13 is controlled to work by the control panel 12, the driving motor 13 drives the blades to rotate, the external air is filtered by the filter 17, flows into the air supply worm wheel 14 through the air inlet pipe 22, and then is discharged from the air outlet pipe 18, thereby realizing the air supply operation;

[0044] During operation, since a back plate sealant 16 is provided between the sealing back plate 19 and the chassis 11, and an air outlet sealant 15 is provided between the air outlet pipe 18 and the air supply worm wheel 14, the noise generated by the vibration of the internal components of the fan can be reduced. In addition, the positions of the air supply worm wheel 14 and the drive motor 13 are limited by the sound insulation cover 21. At the same time, the sound insulation cover 21 can reduce the propagation of rotational noise and eddy current noise, thereby achieving the effect of reducing noise.

[0045] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. A novel low-noise energy-saving fan, comprising a main assembly (101), characterized in that: The main assembly (101) includes a chassis (11), a drive motor (13), an air supply worm gear (14), an air outlet sealant (15), a back plate sealant (16), a filter (17), an air outlet pipe (18), a sealing back plate (19), a soundproof cover (21) and an air inlet pipe (22); The driving motor (13) is mounted on the outer wall of the air supply worm wheel (14), the air supply worm wheel (14) is fixedly connected to one side of the inner wall of the soundproof cover (21) by screws, the back plate sealant (16) is arranged between the sealing back plate (19) and the chassis (11), the sealing back plate (19) is fixedly connected to the chassis (11) by screws, the air outlet sealant (15) is located between the air outlet pipe (18) and the air supply worm wheel (14), the air outlet pipe (18) is mounted at the air outlet of the air supply worm wheel (14) by screws, the filter (17) is mounted on the top of the air inlet pipe (22), the air inlet pipe (22) is mounted at the air inlet of the air supply worm wheel (14), and the soundproof cover (21) is mounted on the inner bottom wall of the chassis (11).

2. A new type of low-noise energy-saving fan according to claim 1, characterized in that: The air supply worm wheel (14) and the drive motor (13) are both located inside the soundproof cover (21), and the soundproof cover (21) is located inside the chassis (11).

3. A new type of low-noise energy-saving fan according to claim 2, characterized in that: Blades are provided in the air supply worm wheel (14), and the blades are fixedly connected to the motor shaft of the drive motor (13).

4. A new type of low-noise energy-saving fan according to claim 3, characterized in that: A frequency converter (20) is installed on the inner bottom wall of the soundproof cover (21), and a control panel (12) is installed on the front surface of the chassis (11).

5. A new type of low-noise energy-saving fan according to claim 4, characterized in that: Handles (23) are installed on both sides of the chassis (11).

6. A new type of low-noise energy-saving fan according to claim 5, characterized in that: A base assembly (301) is provided below the main body assembly (101), and the base assembly (301) includes a support base (31), a shock-absorbing pad (32), a support foot (33), an adjustment sleeve (34) and four threaded columns (35); The four threaded columns (35) are symmetrically fixedly connected to the lower surface of the support base (31), the adjustment sleeve (34) is rotatably connected to the upper surface of the support foot (33), and the shock-absorbing pad (32) is bonded to the upper surface of the support base (31).

7. A novel low-noise energy-saving fan according to claim 6, characterized in that: The lower surface of the chassis (11) is attached to the upper surface of the shock-absorbing pad (32), and the chassis (11) is fixedly connected to the support base (31) by screws.

8. A novel low-noise energy-saving fan according to claim 7, characterized in that: The adjusting sleeve (34) is threadedly connected to the outer side wall of the threaded column (35).