CN212536268U

CN212536268U - Fan silencer

Info

Publication number: CN212536268U
Application number: CN202021305987.5U
Authority: CN
Inventors: 方宇晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-02-12
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a fan silencer, which comprises a fan barrel, an air inlet section and an air outlet section; the air inlet section and the air outlet section are respectively detachably connected with two ends of the fan cylinder, and the fan cylinder, the air inlet section and the air outlet section are mutually communicated to form a channel for air circulation; the outer wall of the fan cylinder is provided with a vibrating piece; the vibration damping plate is perpendicular to the vibrating plate, and a sound damping plate is fixed on the outer wall of the fan cylinder; the fan barrel and the silencing plate are both provided with a plurality of silencing holes; the utility model discloses a set up the trembler on fan section of thick bamboo outer wall to the sound wave of noise makes the trembler take place to vibrate, realizes the acoustic energy conversion mechanical energy of sound wave, then absorbs the mechanical energy that these vibrations produced through the acoustical panel buffering, reaches the purpose of making an uproar of falling, still is provided with the further noise absorption of bloop simultaneously, has reached better noise reduction, and simple structure is pleasing to the eye, compact structure simultaneously, and small and manufacturing cost is lower.

Description

Fan silencer

Technical Field

The utility model relates to a fan auxiliary assembly field, concretely relates to fan muffler.

Background

The noise generated by the fan in the actual use process is more than 85 decibels. In order to reduce noise pollution generated by the fan, noise reduction equipment is additionally arranged on the fan to realize noise control in the prior art. The existing noise reduction equipment relies on the design of the equipment to realize the noise reduction effect, namely the manufacturing cost and the noise reduction design determine the noise control effect; the existing fan silencing and noise reducing equipment sold on the market is large in size, high in manufacturing cost and low in attractiveness after being used together with a fan.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that equipment of making an uproar exists falls in prior art fan, the utility model provides a fan muffler.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a fan silencer comprises a fan barrel, an air inlet section and an air outlet section; the air inlet section and the air outlet section are respectively detachably connected with two ends of the fan barrel, and the fan barrel, the air inlet section and the air outlet section are mutually communicated to form a channel for air circulation; the outer wall of the fan cylinder is provided with a vibrating piece; the vibration damping plate is perpendicular to the vibrating plate, and a sound damping plate is fixed on the outer wall of the fan cylinder; the fan barrel and the silencing plate are both provided with a plurality of silencing holes.

Furthermore, a plurality of reeds are uniformly arranged on the outer wall of the air inlet section at intervals, and sponge pieces are arranged between the reeds.

Furthermore, the air inlet section is the same as the air outlet section in shape and size.

Furthermore, first flanges are arranged at two ends of the fan cylinder, and second flanges which are matched with the first flanges are arranged on the air inlet section and the air outlet section; the first flange is fixedly connected with the second flange through a screw.

Furthermore, be provided with the screw rod groove on air inlet section and the air-out section, the screw rod set up in the screw rod inslot

Has the advantages that: the utility model fixes the existing fan in the fan barrel by arranging the air inlet section and the air outlet section at the two ends of the fan barrel, and the fan barrel, the air inlet section and the air outlet section are mutually communicated to form a channel for air circulation; set up the trembler on fan section of thick bamboo outer wall to the sound wave of noise makes the trembler take place the vibration, realizes the acoustic energy conversion mechanical energy of sound wave, then absorbs the mechanical energy that these vibrations produced through the acoustical panel buffering, reaches the purpose of making an uproar of falling, still is provided with the further noise absorption of bloop simultaneously, has reached better noise reduction effect, and simple structure is pleasing to the eye, compact structure simultaneously, and small and manufacturing cost is lower.

Drawings

Fig. 1 is an exploded view of the fan silencer of the present invention;

fig. 2 is an enlarged schematic structural view of a in fig. 1 of the fan silencer of the present invention;

fig. 3 is an assembly structure diagram of the fan silencer of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a blower barrel; 2. an air inlet section; 3. an air outlet section; 4. a vibrating piece; 5. a sound-absorbing panel; 6. a silencing hole; 7. a reed; 8. a sponge sheet; 9. a first flange; 10. a second flange; 11. a screw; 12. a screw groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a silencer for a blower, which includes a blower barrel 1, an air inlet section 2 and an air outlet section 3; in the embodiment, the air inlet section 2 and the air outlet section 3 are the same in shape and size; two ends of the fan barrel 1 are provided with first flanges 9, and the air inlet section 2 and the air outlet section 3 are provided with second flanges 10 which are matched with the first flanges 9; the first flange 9 and the second flange 10 are fixedly connected through a screw 11, and the fan cylinder 1, the air inlet section 2 and the air outlet section are communicated with each other to form a channel for air circulation; the outer wall of the fan barrel 1 is provided with a vibrating reed 4; the vibration damping plate 5 is perpendicular to the vibrating plate 4 and is fixed on the outer wall of the fan cylinder 1; a plurality of silencing holes 6 are formed in the fan barrel 1 and the silencing plate 5; when in use, the existing fan is fixed in the fan barrel 1, and the fan barrel 1, the air inlet section 2 and the air outlet section 3 are communicated with each other to form a channel for air circulation; set up trembler 4 on fan section of thick bamboo 1 outer wall to the sound wave of noise makes trembler 4 take place the vibration, realizes the acoustic energy conversion mechanical energy of sound wave, then absorbs the mechanical energy that these vibrations produced through the buffering of acoustical panel 5, reaches the purpose of making an uproar of falling, still is provided with noise damping hole 6 on fan section of thick bamboo 1 and acoustical panel 5 simultaneously and further absorbs the noise, further absorbs the noise.

Further, in this embodiment, for further noise elimination, a plurality of reeds 7 are arranged on the outer wall of the air inlet section 2 at uniform intervals, sponge sheets 8 are arranged between the reeds 7, the reeds 7 vibrate due to the sound waves of the noise, the sound energy of the sound waves is converted into mechanical energy, and then the mechanical energy generated by the vibration is absorbed through the sponge sheets 8 in a buffering manner, so that the purpose of noise reduction is achieved.

In order to prevent the screw 11 for fixing the first flange 9 and the second flange 10 from being corroded, the screw grooves 12 are arranged on the air inlet section 2 and the air outlet section 3, the screw 11 is arranged in the screw groove 12, and the screw 11 is arranged in the screw groove 12 in a hidden mode.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A fan silencer comprises a fan barrel (1), an air inlet section (2) and an air outlet section (3); the air inlet section (2) and the air outlet section (3) are respectively detachably connected with two ends of the fan barrel (1), and the fan barrel (1), the air inlet section (2) and the air outlet section (3) are communicated with each other to form a channel for air circulation; the fan is characterized in that the outer wall of the fan barrel (1) is provided with a vibrating sheet (4); a silencing plate (5) is also fixed on the outer wall of the fan barrel (1) and is vertical to the vibrating plate (4); the fan barrel (1) and the sound-absorbing plate (5) are both provided with a plurality of sound-absorbing holes (6).

2. The fan silencer according to claim 1, wherein a plurality of reeds (7) are evenly arranged on the outer wall of the air inlet section (2) at intervals, and sponge pieces (8) are arranged between the reeds (7).

3. The fan silencer according to claim 2, wherein the air inlet section (2) and the air outlet section (3) are identical in shape and size.

4. The silencer of the fan as claimed in claim 3, wherein the fan barrel (1) is provided with first flanges (9) at two ends, and the air inlet section (2) and the air outlet section (3) are provided with second flanges (10) which are matched with the first flanges (9); the first flange (9) and the second flange (10) are fixedly connected through a screw (11).

5. The fan silencer according to claim 4, wherein the air inlet section (2) and the air outlet section (3) are provided with screw grooves (12), and the screws (11) are arranged in the screw grooves (12).