CN216672773U - Generator noise reduction shell for wind driven generator - Google Patents

Abstract

The utility model discloses a noise reduction shell of a generator for a wind driven generator, which comprises a shell main body, wherein the front surface of the shell main body is connected with a movable door in a sliding manner, the right side of the movable door is fixedly connected with a push handle, the peripheral side wall of the movable door is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a sealing gasket, the left side of the shell main body is fixedly connected with a ventilation and heat dissipation pipe, the inner top wall and the inner bottom wall of the shell main body are fixedly connected with sound insulation boards, and the inner bottom wall of the shell main body is fixedly connected with a fixing board. The utility model absorbs noise by arranging the sound insulation plate, prevents the noise from spreading from the air gap by arranging the sealing gasket, absorbs the vibration of the motor set by arranging the first damping spring to slow down the generation of the noise, ventilates and radiates the heat by arranging the ventilating and radiating pipe, and reduces the noise generated in the shell main body by arranging the noise reduction mechanism.

Description

A generator noise reduction enclosure for wind turbines

technical field

The present application relates to the technical field of noise reduction enclosures, and in particular, to a generator noise reduction enclosure for wind power generators.

Background technique

When the generator is working, it usually makes a lot of noise, and it needs to be noise-reduced. Usually, a noise-reduction casing is installed on the outside of the generator to reduce noise in the process of sound transmission and achieve the effect of noise reduction. .

The existing generator noise reduction shell has a simple structure, and usually a layer of sound insulation box is placed on the outside of the generator. This box is made of noise reduction material. Since there are ventilation and heat pipes on the box body, noise will pass through the ventilation and heat pipes. Propagating outwards, resulting in an insignificant noise reduction effect.

Utility model content

The purpose of the present invention is to provide a generator noise reduction enclosure for wind power generators, so as to solve the problems raised in the above background technology.

The embodiment of the present application adopts the following technical solutions:

A generator noise reduction casing for a wind power generator, comprising a casing main body, a front side of the casing main body is slidably connected with a movable door, a push handle is fixedly connected to the right side of the movable door, and the surrounding side walls of the movable door are provided with An installation groove, the inner wall of the installation groove is fixedly connected with a sealing gasket, the left side of the casing main body is fixedly connected with a ventilation and heat dissipation pipe, and the inner top wall and the inner bottom wall of the casing main body are fixedly connected with sound insulation boards, so The inner bottom wall of the housing main body is fixedly connected with a fixing plate, and the opposite surfaces of the two front and rear fixing plates on the left side and the opposite surfaces of the two front and rear fixing plates on the right side are slidably connected with the same motor group. A first shock-absorbing spring is fixedly connected to the lower surface of the unit, and the bottom end of the first shock-absorbing spring is fixedly connected to the inner bottom wall of the casing main body, and the inner wall of the casing main body is fixedly connected with a noise reduction mechanism.

Preferably, the noise reduction mechanism includes a water curtain that is fixedly connected to the front inner wall and the rear inner wall of the housing body.

Preferably, a water inlet pipe is fixedly connected to the upper surface of the water curtain, and a control switch is fixedly connected to the surface of the water inlet pipe.

Preferably, a water storage chamber and a noise reduction chamber are respectively arranged inside the water curtain, and pure water is arranged in the water storage chamber.

Preferably, a second damping spring is fixedly connected to the inner wall of the noise reduction chamber, and both ends of the second damping spring are respectively fixedly connected to the front inner wall of the noise reduction chamber and the rear inner wall of the noise reduction chamber.

Preferably, a plurality of inclined plates are fixedly connected to the inner walls of the ventilation and heat dissipation pipes, and noise reflection plates are fixedly connected to the right sides of the plurality of inclined plates.

Preferably, sound insulation sponges and honeycomb panels are fixedly connected to the inner walls of the ventilation and heat dissipation pipes, respectively.

The above-mentioned at least one technical solution adopted in the embodiments of the present application can achieve the following beneficial effects:

In the utility model, the noise is absorbed by arranging the sound insulation board, the noise is prevented from spreading from the air gap by arranging the sealing gasket, the first shock absorbing spring is arranged to dampen the motor unit, and the noise generation is slowed down, and the Set up a water inlet pipe to introduce pure water into the water storage chamber, set a control switch to seal the pure water, set a water curtain to attach the pure water to the inner wall of the shell body, set a noise reduction chamber to give a second damping spring In the installation space, by setting a second shock-absorbing spring, the pure water absorbs the vibration generated by the noise, and by setting the inclined plate and the noise reflector, the noise is refracted and rebounded many times, and the strength of the noise transmission is slowed down. , absorb noise, reduce the intensity of sound transmission, and achieve the effect of noise reduction through the above mechanism, which is more obvious than the traditional noise reduction method.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

Fig. 1 is: the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is: the sectional structure schematic diagram of the housing main body in the present utility model;

Fig. 3 is: the three-dimensional structure schematic diagram of the electric motor unit in the present utility model;

Fig. 4 is: the three-dimensional structure schematic diagram part one of the noise reduction mechanism in the present utility model

FIG. 5 is the second schematic diagram of the three-dimensional structure of the noise reduction mechanism in the present invention.

In the figure: 1. Shell body; 2. Active door; 3. Push handle; 4. Ventilation and heat pipe; 5. Sound insulation board; 6. Installation slot; 7. Motor unit; 8. Noise reduction mechanism; 803, sound insulation sponge; 804, honeycomb panel; 805, water curtain; 806, water inlet pipe; 807, control switch; 808, water storage room; 809, noise reduction room; 810, second shock absorbing spring; 9. Fixed plate; 10. The first shock-absorbing spring.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Please refer to Figures 1-5, the present utility model provides a technical solution for a generator noise reduction enclosure for wind turbines:

A generator noise reduction enclosure for wind turbines, comprising an enclosure main body 1, a front side of the enclosure main body 1 is slidably connected with a movable door 2, a push handle 3 is fixedly connected to the right side of the movable door 2, and the surrounding side walls of the movable door 2 are provided with Installation groove 6, the inner wall of the installation groove 6 is fixedly connected with a sealing gasket, the left side of the casing main body 1 is fixedly connected with a ventilation and heat dissipation pipe 4, and the inner top wall and the inner bottom wall of the casing main body 1 are fixedly connected with a sound insulation board 5. The inner bottom wall of the main body 1 is fixedly connected with a fixing plate 9, and the opposite surfaces of the two front and rear fixing plates 9 on the left side and the opposite surfaces of the two front and rear fixing plates 9 on the right side are slidably connected with the same motor group 7. A first damping spring 10 is fixedly connected to the lower surface, the bottom end of the first damping spring 10 is fixedly connected to the inner bottom wall of the housing main body 1 , and the inner wall of the housing main body 1 is fixedly connected with a noise reduction mechanism 8 .

Specifically, the sound insulation board 5 is provided to absorb noise, the sealing gasket is provided to prevent the noise from propagating through the air gap, and the first damping spring 10 is provided to dampen the motor unit 7 and reduce the generation of noise. , the ventilation and heat dissipation pipes 4 are provided for ventilation and heat dissipation, and the noise reduction mechanism 8 is provided to reduce the noise generated inside the casing main body 1 .

In this embodiment, as shown in FIGS. 3-5 , the noise reduction mechanism 8 includes a water curtain 805 fixedly connected to the front inner wall and the rear inner wall of the housing main body 1 .

A water inlet pipe 806 is fixedly connected to the upper surface of the water curtain 805 , and a control switch 807 is fixedly connected to the surface of the water inlet pipe 806 .

The water curtain 805 is provided with a water storage chamber 808 and a noise reduction chamber 809 respectively, and the water storage chamber 808 is provided with pure water.

A second damping spring 810 is fixedly connected to the inner wall of the noise reduction chamber 809 .

A plurality of inclined plates 801 are fixedly connected to the inner walls of the ventilation and heat dissipation pipes 4 , and noise reflection plates 802 are fixedly connected to the right sides of the plurality of inclined plates 801 .

A sound insulation sponge 803 and a honeycomb panel 804 are respectively fixedly connected to the inner walls of the ventilation and heat dissipation pipes 4 .

Specifically, by setting the water inlet pipe 806, pure water is introduced into the water storage chamber 808, by setting the control switch 807, the pure water is sealed, and by setting the water curtain 805, the pure water is attached to the inner wall of the housing main body 1, and by setting The noise reduction chamber 809 provides installation space for the second damping spring 810. By setting the second damping spring 810, the pure water absorbs the vibration generated by the noise. By setting the inclined plate 801 and the noise reflection plate 802, the noise is refracted multiple times. Rebound to slow down the strength of noise transmission. By setting the sound insulation sponge 803 and honeycomb panel 804, the noise is absorbed and the strength of sound transmission is reduced.

Working principle: When the generator noise reduction enclosure for the wind turbine is used, the user first starts the generator set 7, and when the generator set 7 works to generate noise, the noise is absorbed by the sound insulation board 5, and the installed first shock absorbing spring 10 is used for electricity. The unit 7 performs shock absorption to slow down the generation of noise. The pure water in the water storage chamber 808 isolates the air and absorbs the noise. The second damping spring 810 buffers the pure water to absorb the vibration generated by the noise. The inclined plate 801 and the noise reflection plate 802, The noise is refracted and rebounded multiple times to slow down the strength of the noise transmission. The sound insulation sponge 803 and the honeycomb panel 804 absorb noise and reduce the strength of the sound transmission. The above mechanism can achieve the effect of noise reduction. Compared with the traditional noise reduction method, The effect is more obvious.

It should also be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also Other elements not expressly listed, or which are inherent to such a process, method, article of manufacture, or apparatus are also included. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article of manufacture, or device that includes the element.

The above descriptions are merely examples of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims (7)

1. The utility model provides a shell of making an uproar falls in generator for aerogenerator, includes housing (1), the front sliding connection of housing (1) has dodge gate (2), the right side fixedly connected with pushing hands (3) of dodge gate (2), its characterized in that: the side wall of the periphery of the movable door (2) is provided with an installation groove (6), the inner wall of the installation groove (6) is fixedly connected with a sealing gasket, the left side of the shell main body (1) is fixedly connected with a ventilating and radiating pipe (4), the inner top wall and the inner bottom wall of the shell main body (1) are both fixedly connected with a sound insulating board (5), the inner bottom wall of the shell main body (1) is fixedly connected with a fixed plate (9), the opposite surfaces of the front and rear fixed plates (9) on the left side and the opposite surfaces of the front and rear fixed plates (9) on the right side are both connected with the same motor set (7) in a sliding manner, the lower surface of the motor group (7) is fixedly connected with a first damping spring (10), the bottom end of the first damping spring (10) is fixedly connected with the inner bottom wall of the shell main body (1), the inner wall of the shell main body (1) is fixedly connected with a noise reduction mechanism (8).

2. The noise reduction housing of a generator for a wind power generator as claimed in claim 1, wherein: the noise reduction mechanism (8) comprises a water curtain (805) fixedly connected to the front inner wall and the rear inner wall of the shell main body (1).

3. The noise reduction housing of a generator for a wind power generator as claimed in claim 2, wherein: the upper surface of the water curtain (805) is fixedly connected with a water inlet pipe (806), and the surface of the water inlet pipe (806) is fixedly connected with a control switch (807).

4. The noise reduction housing of a generator for a wind power generator as claimed in claim 2, wherein: a water storage chamber (808) and a noise reduction chamber (809) are respectively arranged in the water curtain (805), and purified water is arranged in the water storage chamber (808).

5. The noise reduction housing of the generator for the wind power generator as claimed in claim 4, wherein: the inner wall of the noise reduction chamber (809) is fixedly connected with a second damping spring (810), and two ends of the second damping spring (810) are fixedly connected with the inner wall of the front side of the noise reduction chamber (809) and the inner wall of the rear side of the noise reduction chamber (809) respectively.

6. The noise reduction housing of a generator for a wind power generator as claimed in claim 1, wherein: the inner wall fixedly connected with of ventilation cooling tube (4) is a plurality of hang plates (801), and is a plurality of the equal fixedly connected with noise reflecting plate (802) in right side of hang plate (801).

7. The noise reduction housing of the generator for the wind driven generator as claimed in claim 1, wherein: the inner walls of the ventilation and heat dissipation pipes (4) are fixedly connected with sound insulation sponges (803) and cellular boards (804) respectively.

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