Noise reduction fan cover of synchronous motor

Abstract

The utility model belongs to the technical field of synchronous motors, and particularly relates to a synchronous motor noise reduction fan cover, which comprises a machine body assembly and a noise reduction assembly arranged in the machine body assembly, and is characterized in that the machine body assembly comprises a motor and a fan cover arranged on the motor; the noise reduction assembly comprises a noise reduction mechanism installed in the fan cover and a protection mechanism connected to the noise reduction mechanism. The noise reduction mechanism comprises an installation seat fixed to the inner side of the fan cover, a fixing plate installed on the installation seat, a first through hole formed in the fixing plate, a net attaching piece fixed to the fixing plate and a neck bush fixed to the net attaching piece. By means of the noise reduction assembly, when the draught fan on the motor rotates, the neck bush is filled with external wind to expand, the expanded noise reduction cotton sleeve and the noise reduction ball are horizontally adjacent, the dust removal effect can be achieved, heat dissipation is not affected on the basis that noise is greatly reduced, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to synchronous motor technical field, concretely is a synchronous motor noise reduction wind shield. BACKGROUND

[0002] Synchronous motor, and induction motor (namely asynchronous motor) same is a commonly used AC motor. Synchronous motor is the heart of power system, it is a kind of set rotation and static, electromagnetic change and mechanical movement in one, realizes the element of electric energy and mechanical energy conversion, its dynamic performance is very complex, and its dynamic performance has great influence on the dynamic performance of whole power system.

[0003] The wind shield of synchronous motor mainly plays the role of protecting the cooling fan, but the cooling fan and motor body will produce certain noise in actual operation process, and the wind noise spreads from the wind shield, influences the operation environment, and the conventional wind shield is difficult to play the good noise reduction effect, therefore we propose a synchronous motor noise reduction wind shield. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] A synchronous motor noise reduction wind shield, including: machine body assembly and install in the noise reduction subassembly of machine body assembly, machine body assembly includes motor and installs the wind shield on the motor, the noise reduction subassembly includes the noise reduction mechanism installed in the wind shield and the protection mechanism connected on the noise reduction mechanism, the noise reduction mechanism includes the mount pad fixed in the inside of wind shield, the fixed plate installed on the mount pad, the through hole one opened on the fixed plate, the paste mesh fixed on the fixed plate, the inner bushing fixed on the paste mesh, the noise reduction cotton cover set on the inner bushing, the noise reduction ball fixed on the noise reduction cotton cover and the through hole two opened on the noise reduction cotton cover.

[0007] The utility model can be further configured in a preferred example as: the protection mechanism includes the spring fixed in the side of fixed plate and the protection net fixed in the end of spring.

[0008] The utility model can be further configured in a preferred example as: the inner side of protection net is fixed with noise reduction cotton cover.

[0009] The utility model can be further configured in a preferred example as: the fixed plate is the arc plate mechanism of abutting at the inside of wind shield.

[0010] The utility model discloses in a preferable example can be further configured as: the wind cover is set with the air hole, and the through -hole one with the air hole staggered setting.

[0011] The utility model discloses in a preferable example can be further configured as: the noise reduction ball is hemispherical honeycomb cotton structure, and the noise reduction ball on the adjacent two groups of noise reduction cotton cover staggered setting.

[0012] The above technical scheme of the utility model has the following beneficial technical effects:

[0013] 1. The utility model discloses a noise reduction assembly can make the lining sleeve swell up when the fan on the motor rotates, and the noise reduction cotton cover and noise reduction ball after swelling are horizontally adjacent, not only can play the dust removal effect, but also can not influence the heat dissipation on the basis of greatly reducing the noise, and the practicality is higher.

[0014] 2. The utility model discloses a noise reduction assembly can utilize the protective net and noise reduction cotton cover and adaptively press solid on the outside of the fan, so that the noise generated by the fan is absorbed, and the noise reduction effect is played. DRAWINGS

[0015] Fig. 1 It is the synchronous machine noise reduction wind cover sectional view of the utility model;

[0016] Fig. 2 It is the noise reduction cotton cover sectional view of the utility model.

[0017] Reference signs:

[0018] 100, machine body assembly;110, motor;120, wind cover;

[0019] 200, noise reduction assembly;210, mounting seat;220, fixed plate;230, through -hole one;240, paste net piece;250, lining sleeve;260, noise reduction cotton cover;261, through -hole two;270, noise reduction ball;280, spring;290, protective net;291, noise reduction cotton cover. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the utility model more clear and explicit, the utility model is explained in further detail below in combination with specific implementation manners and referring to the drawings. It is to be explained that the embodiment of the utility model and the feature in the embodiment can be combined mutually in the case of not conflicting.

[0021] Some embodiments of the utility model are described below in combination with the drawings and provide a synchronous machine noise reduction wind cover.

[0022] In combination Figs. 1-2The utility model provides a synchronous motor noise reduction wind scooper, show, the utility model provides a synchronous motor noise reduction wind scooper, including: machine body subassembly 100 and install in the machine body subassembly 100's noise reduction subassembly 200, the machine body subassembly 100 includes motor 110 and installs wind scooper 120 on motor 110.

[0023] Among them, the noise reduction subassembly 200 includes the noise reduction mechanism of installing in the wind scooper 120 and the protection mechanism of being connected on the noise reduction mechanism, the noise reduction mechanism includes the mounting seat 210 of being fixed in the inside of wind scooper 120, the fixed plate 220 of installing on the mounting seat 210, the through hole one 230 of being opened on the fixed plate 220, the paste mesh 240 of being fixed on the fixed plate 220, the inner bushing 250 of being fixed on the paste mesh 240, the noise reduction cotton cover 260 of setting on the inner bushing 250, the noise reduction ball 270 of being fixed on the noise reduction cotton cover 260 and the through hole two 261 of being opened on the noise reduction cotton cover 260, through noise reduction subassembly 200, can make inner bushing 250 when the fan of motor 110 rotates and fills up the outside world inflation, the noise reduction cotton cover 260 and noise reduction ball 270 of inflation horizontal adjacent, not only can play the dust removal effect, but also can not influence the heat dissipation on the basis of greatly reducing the noise, and the practicability is higher.

[0024] Specifically, the protection mechanism includes a spring 280 fixed to the side edge of the fixed plate 220 and a protective net 290 fixed to the end of the spring 280, the inner side of the protective net 290 is fixed with a noise reduction cotton cover 291, through the noise reduction assembly 200, the protective net 290 and the noise reduction cotton cover 291 can be adaptively pressed on the outside of the fan, so as to absorb the noise generated by the fan and achieve the noise reduction effect.

[0025] Further, the fixed plate 220 is an arc-shaped plate structure abutting against the inside of the wind scooper 120, which can conveniently fit with the wind scooper and thus ensure the stability of the incoming air, and the wind scooper 120 is provided with air holes, and the through hole one 230 and the air holes are staggered, which not only ensures the normal incoming air, but also reduces the propagation efficiency of the noise.

[0026] It should be noted that the noise reduction ball 270 is a hemispherical honeycomb cotton structure, and the noise reduction balls 270 on the adjacent two groups of noise reduction cotton covers 260 are staggered, after the inner bushing 250 inflates, a small amount of air passes through the through hole two 261, which can ensure that the inner bushing 250 is always inflated, the inflated noise reduction cotton cover 260 and noise reduction ball 270 form a whole noise reduction structure, which can reduce the noise to the greatest extent, filter out the impurities in the air, and naturally fall down after the motor stops working, thus playing a dustproof role.

[0027] Further, the noise reduction material used in the application is one or a combination of several of the following: sound-absorbing cotton, sound-absorbing board, lead plate, sound insulation felt, and gypsum board sound-absorbing cotton.

[0028] The working principle and use process of the utility model are as follows: firstly, the fixed plate 220 is installed on the fan cover 120, and then the fan cover 120 is installed on the motor 110; when the fan on the motor 110 rotates, the inner bushing 250 is filled with external airflow and expands, the expanded noise reduction cotton cover 260 and the noise reduction ball 270 are horizontally adjacent, a noise reduction "wall" is formed, and the overall noise reduction effect is achieved; the noise reduction cotton cover 291 plays a noise reduction effect on the fan, and the entering cooling air is discharged from the air outlet on the motor 110.

[0029] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A synchronous machine noise reducing shroud, characterized by, Including: The body assembly (100) and the noise reduction assembly (200) installed in the body assembly (100), the body assembly (100) includes a motor (110) and a fan cover (120) installed on the motor (110); The noise reduction assembly (200) includes a noise reduction mechanism installed in the fan cover (120) and a protective mechanism connected to the noise reduction mechanism; The noise reduction mechanism includes a mounting seat (210) fixed to the inside of the fan cover (120), a fixed plate (220) installed on the mounting seat (210), a through hole one (230) opened on the fixed plate (220), a paste mesh (240) fixed to the fixed plate (220), an inner bushing (250) fixed to the paste mesh (240), a noise reduction cotton sleeve (260) provided on the inner bushing (250), a noise reduction ball (270) fixed to the noise reduction cotton sleeve (260) and a through hole two (261) opened on the noise reduction cotton sleeve (260).

2. The synchronous machine noise reducing shroud of claim 1, wherein, The protective mechanism includes a spring (280) fixed to the side of the fixed plate (220) and a protective net (290) fixed to the end of the spring (280).

3. The synchronous machine noise reducing shroud of claim 2, wherein, The inner side of the protective net (290) is fixed with a noise reduction cotton cover (291).

4. The synchronous machine noise reduction wind cowl of claim 1, wherein, The fixed plate (220) is an arc plate mechanism abutting against the inside of the fan cover (120).

5. The synchronous machine noise reduction wind cowl of claim 1, wherein, The fan cover (120) is provided with a wind hole, and the through hole one (230) and the wind hole are staggered.

6. The synchronous machine noise-reducing fan cover of claim 1, wherein, The noise reduction ball (270) is a hemispherical honeycomb cotton structure, and the noise reduction balls (270) on two adjacent groups of noise reduction cotton sleeves (260) are staggered.

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