Motor with noise reduction structure

Abstract

The utility model discloses a motor with a noise reduction structure, and relates to the technical field of motors, the motor comprises a motor main body, the outer side of the motor main body is fixedly provided with a connecting support plate, the outer side of the connecting support plate is provided with a noise reduction shell, and the two ends of the noise reduction shell are provided with noise reduction heat dissipation assemblies; the noise reduction and heat dissipation assembly comprises a noise reduction plate installed in a gap between the noise reduction shell and the motor body, a rear cover is installed at the rear end of the noise reduction shell, and a heat dissipation fan is installed on the inner side of the rear cover. Noise generated during operation of the motor is absorbed through the noise reduction plate, so that transmission of the noise is attenuated, the noise reduction effect is achieved, meanwhile, heat conduction is conducted on the motor through the heat dissipation plate, heat accumulation in the motor is avoided, normal operation of the motor is guaranteed, meanwhile, the multiple layers of heat dissipation plates in the motor can enable the noise to repeatedly rebound in the motor, and the noise reduction effect is improved. And then, internal hot air is discharged outwards through the cooling fan, so that the situation that heat cannot be discharged is avoided, and the cooling effect on the motor is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially relates to a motor with noise reduction structure. BACKGROUND

[0002] Motor is a kind of device that converts electric energy into mechanical energy, is widely used in various mechanical equipment and industrial production process.According to working principle and structural characteristics, motor can be divided into multiple types, such as asynchronous motor, synchronous motor, DC motor, and motor often produces larger noise when operating, causes noise pollution to surrounding environment.

[0003] Through the retrieval, the text of the announcement number:“CN215452641U” mentioned“the utility model discloses a motor with noise reduction structure, including protective shell, the front of protective shell is provided with the chute, the inner wall of chute is slidably provided with slide rail, the side of slide rail is fixedly arranged on the side of L-shaped block, the top of L-shaped block is fixedly provided with first fixed shaft, the outer wall of first fixed shaft is inserted with connecting rod, the side of connecting rod bottom is inserted with second fixed shaft, the bottom of second fixed shaft is fixedly arranged on the top of fixed block, the side of fixed block is fixedly arranged on the front of fixed strip.”, it can reduce the noise of the sound generated by motor, and through filter plate, it filters dust in air while radiating heat, but the device is wrapped with additional protective shell to sound insulation, which can increase the volume of the whole motor, and is not convenient for installing motor, which is not conducive to large-scale application.

[0004] Therefore, we provide a motor with noise reduction structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a motor with noise reduction structure to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a motor with noise reduction structure, including motor main body, the outside of motor main body is fixed with connecting branch board, the outside of connecting branch board is provided with noise reduction shell, both ends of noise reduction shell are provided with noise reduction heat dissipation assembly;

[0007] The noise reduction heat dissipation assembly includes the noise reduction plate installed in the gap between noise reduction shell and motor main body, the rear end of noise reduction shell is installed with rear cover, and the inner side of rear cover is installed with heat dissipation fan.

[0008] Preferably, the connecting branch board is provided with eight groups, the inside of connecting branch board is hollow structure, and the inside gap of connecting branch board is provided with heat dissipation plate.

[0009] Preferably, the noise reduction plate is provided with eight groups, and the noise reduction plate is made of polyester fiber cotton material.

[0010] Preferably, the rear cover is welded between the noise reduction shell, and a dust screen is mounted at the rear end of the rear cover.

[0011] Preferably, the front side of the heat dissipation fan is provided with a partition plate made of sound insulation sponge material.

[0012] Preferably, the surface of the partition plate is provided with air holes, and the air holes are provided with eight groups and are arranged in a staggered manner between the connecting plates.

[0013] Preferably, the front end of the noise reduction shell is fixedly connected with a front cover, and the inner side of the front cover is mounted with an air inlet plate made of large gap sponge material.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The noise reduction plate can absorb the noise generated during the operation of the motor, thereby attenuating the transmission of the noise and achieving the effect of noise reduction. Meanwhile, the heat dissipation plate can conduct heat for the motor, thereby avoiding the accumulation of heat inside the motor and ensuring the normal operation of the motor. Meanwhile, the multiple layers of heat dissipation plates inside can make the noise repeatedly bounce inside, thereby reducing the propagation of the noise. Then, the heat dissipation fan can discharge the internal hot air outward, thereby avoiding the discharge of heat and ensuring the heat dissipation effect of the motor.

[0016] 2. The partition plate can block and absorb the noise transmitted in the connecting plate, thereby further reducing the propagation of the noise. Meanwhile, the air holes arranged in a staggered manner can ensure the normal circulation of the airflow inside the noise reduction shell while avoiding the direct transmission of the noise, thereby ensuring the effect of noise reduction. The air inlet plate can make the external air enter the inside of the noise reduction shell. Meanwhile, the sponge material also has a certain effect of noise reduction and sound insulation, and can prevent dust and impurities from entering the inside of the noise reduction shell, thereby avoiding the accumulation of dust inside and affecting the heat dissipation effect. In this way, the device is combined with the motor shell as a whole, thereby making the structure more compact and improving the convenience of installation and use of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall structure schematic view of the utility model;

[0018] Figure 2 It is an overall structure schematic view of the utility model;

[0019] Figure 3 It is a cooperation structure schematic view of the rear cover, the heat dissipation fan and the dust screen of the utility model;

[0020] Figure 4The cooperation structure diagram of the dustproof net, the partition plate and the air hole is provided for the utility model.

[0021] In the figure: 1, motor main body; 2, connecting branch plate; 3, noise reduction shell; 4, noise reduction heat dissipation assembly; 401, noise reduction plate; 402, rear cover; 403, heat dissipation fan; 404, dustproof net; 405, partition plate; 406, air hole; 407, front cover; 408, air inlet plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 As shown in the figure, a motor with noise reduction structure, including motor main body 1, the outer side of motor main body 1 is fixed with connecting branch plate 2, the outer side of connecting branch plate 2 is provided with noise reduction shell 3, both ends of noise reduction shell 3 are provided with noise reduction heat dissipation assembly 4;

[0024] Noise reduction heat dissipation assembly 4 includes noise reduction plate 401 installed in the gap between noise reduction shell 3 and motor main body 1, rear end of noise reduction shell 3 is installed with rear cover 402, the inner side of rear cover 402 is installed with heat dissipation fan 403.

[0025] Further, connecting branch plate 2 is provided with eight groups, the inside of connecting branch plate 2 is hollow structure, the inside gap of connecting branch plate 2 is provided with heat dissipation plate, the heat dissipation plate is used for heat conduction to the motor, avoids the heat accumulation in the motor, guarantees the normal operation of the motor, and the multiple heat dissipation plates in the inside can make the noise repeatedly rebound in the inside, reduces the propagation of noise.

[0026] Further, noise reduction plate 401 is provided with eight groups, noise reduction plate 401 is polyester fiber cotton material, noise reduction plate 401 is used for absorbing the noise generated in the operation of the motor, thereby attenuating the transmission of noise, and achieving the effect of noise reduction.

[0027] Further, rear cover 402 and noise reduction shell 3 are welded, rear end of rear cover 402 is installed with dustproof net 404, in the process of use, the internal hot air is discharged outward through heat dissipation fan 403, so that the heat can not be discharged, and the heat dissipation effect of the motor is guaranteed.

[0028] Further, the front side of the heat dissipation fan 403 is provided with a partition plate 405, the partition plate 405 is of sound insulation sponge material, the noise transmitted in the connecting branch plate 2 is blocked and absorbed through the partition plate 405, and the propagation of noise is further reduced.

[0029] Further, the surface of the partition plate 405 is provided with air holes 406, the air holes 406 are provided with eight groups, the air holes 406 are staggered between the connecting branch plate 2, the normal circulation of airflow in the noise reduction shell 3 is ensured while avoiding the direct transmission of noise through the staggered air holes 406, and the noise reduction effect is ensured.

[0030] Further, the front end of the noise reduction shell 3 is fixedly connected with a front cover 407, the inner side of the front cover 407 is mounted with an air inlet plate 408, the air inlet plate 408 is of large gap sponge material, the outside air can enter the inside of the noise reduction shell 3 through the air inlet plate 408, the sponge material also has a certain noise reduction and sound insulation effect, and can prevent dust and impurities from entering the inside of the noise reduction shell 3, avoiding the accumulation of dust inside to affect the heat dissipation effect.

[0031] Working principle: in use, the device is installed at the place required to be used, in the process of use, the noise generated in the operation of the motor is absorbed by the noise reduction plate 401, so that the transmission of noise is attenuated, the noise reduction effect is achieved, the motor is heat-conducted by the heat dissipation plate, the heat accumulation in the motor is avoided, the normal operation of the motor is ensured, the noise is repeatedly bounced inside by the multiple heat dissipation plates inside, the propagation of noise is reduced, then the hot air inside is discharged outward by the heat dissipation fan 403, so that the heat dissipation effect of the motor is ensured, the noise transmitted in the connecting branch plate 2 is blocked and absorbed by the partition plate 405, the propagation of noise is further reduced, the normal circulation of airflow in the noise reduction shell 3 is ensured while avoiding the direct transmission of noise through the staggered air holes 406, the noise reduction effect is ensured, finally the outside air can enter the inside of the noise reduction shell 3 through the air inlet plate 408, the sponge material also has a certain noise reduction and sound insulation effect, and can prevent dust and impurities from entering the inside of the noise reduction shell 3, avoiding the accumulation of dust inside to affect the heat dissipation effect, so that the use of the motor with the noise reduction structure is completed.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric machine with a noise reduction structure, comprising an electric machine body (1), characterized in that: The outer side of the motor body (1) is fixed with a connecting branch plate (2), the outer side of the connecting branch plate (2) is provided with a noise reduction shell (3), and both ends of the noise reduction shell (3) are provided with a noise reduction heat dissipation assembly (4); The noise reduction heat dissipation assembly (4) comprises a noise reduction plate (401) mounted in the gap between the noise reduction shell (3) and the motor body (1), and a rear cover (402) is mounted at the rear end of the noise reduction shell (3), and a heat dissipation fan (403) is mounted on the inner side of the rear cover (402).

2. The motor with noise reduction structure according to claim 1, characterized in that, The connecting branch plate (2) is provided with eight groups, the connecting branch plate (2) is a hollow structure, and the internal gap of the connecting branch plate (2) is provided with a heat dissipation plate.

3. The motor with noise reduction structure according to claim 1, characterized in that, The noise reduction plate (401) is provided with eight groups, and the noise reduction plate (401) is made of polyester fiber cotton material.

4. The motor with noise reduction structure according to claim 1, characterized in that, The rear cover (402) and the noise reduction shell (3) are welded, and a dust screen (404) is mounted at the rear end of the rear cover (402).

5. The motor with noise reduction structure according to claim 1, characterized in that, The front side of the heat dissipation fan (403) is provided with a partition plate (405), and the partition plate (405) is made of sound insulation sponge material.

6. The motor with noise reduction structure according to claim 5, characterized in that, The surface of the partition plate (405) is provided with air holes (406), the air holes (406) are provided with eight groups, and the air holes (406) are staggered between the connecting branch plate (2).

7. The motor with noise reduction structure according to claim 1, characterized in that, The front end of the noise reduction shell (3) is fixedly connected with a front cover (407), the inner side of the front cover (407) is mounted with an air inlet plate (408), and the air inlet plate (408) is made of large gap sponge material.

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