CN221547208U

CN221547208U - Wind-powered electricity generation becomes oar system control cabinet

Info

Publication number: CN221547208U
Application number: CN202323424295.9U
Authority: CN
Inventors: 安海飞; 唐昆; 黄东; 张志勇; 李占强; 王永军
Original assignee: Xilingol League Mingyang New Energy Co ltd
Current assignee: Xilingol League Mingyang New Energy Co ltd
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-08-16
Anticipated expiration: 2033-12-14

Abstract

The utility model relates to the technical field of wind driven generators and discloses a control cabinet of a wind power pitch system, which comprises a bottom shell, wherein an upper cover is arranged at the upper part of the bottom shell, a damping mechanism is arranged at the lower part of the bottom shell, and heat dissipation mechanisms are arranged at the left side and the right side of the bottom shell; the casing is arranged inside the left side and the right side of the bottom shell, the support is arranged on one side of the inside of the casing, the dust removing component is arranged outside the support, the protection cover is arranged in the middle of the left side and the right side of the bottom shell, the fan is arranged in the middle of the protection cover, and the periphery of the filter screen is arranged in the middle of the left side wall shell and the right side wall shell of the bottom shell. According to the wind power pitch control system control cabinet, the position of the sliding block on the straight rod is adjusted through the rotary connecting sleeve, so that the expansion and contraction amount of the second spring is limited, the hardness of damping is adjusted, damping adjustment is convenient, the damping effect is improved, and the internal elements of the control cabinet are protected.

Description

Wind-powered electricity generation becomes oar system control cabinet

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to a control cabinet of a wind power pitch control system.

Background

A pitch system in a wind generating set (simply called a wind generating set) effectively captures wind energy to generate power by regulating and controlling the angle of a blade (within a rated wind speed), and the wind energy is stopped by regulating and controlling the angle of the blade (when the rated wind speed is exceeded). Therefore, the variable pitch system is one of important systems for determining safe operation of the wind generating set, the variable pitch blade control cabinet is one of important components of the variable pitch system, and the variable pitch blade control cabinet is used for controlling and regulating and controlling a motor of the blade angle in the variable pitch system.

The current variable-pitch control cabinet is installed inside the hub, and along with the hub rotation together, vibrations are great to the fan is when chilly weather operation, and the low temperature leads to the inside icing of control cabinet easily, can produce a large amount of heats at high temperature weather simultaneously, causes the trouble of variable-pitch control cabinet very easily.

Disclosure of utility model

The utility model mainly aims to provide a control cabinet of a wind power variable pitch system, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the wind power pitch system control cabinet comprises a bottom shell, wherein an upper cover is arranged at the upper part of the bottom shell, a damping mechanism is arranged at the lower part of the bottom shell, and heat dissipation mechanisms are arranged at the left side and the right side of the bottom shell;

The heat dissipation mechanism comprises a protective cover, a fan, a filter screen, a dust removing component, a sleeve and a support, wherein the sleeve is arranged inside the left side and the right side of the bottom shell, the support is arranged on one side of the sleeve, the dust removing component is arranged outside the support, the protective cover is arranged in the middle of the left side and the right side of the bottom shell, the fan is arranged in the middle of the protective cover, the periphery of the filter screen is arranged in the middle of the left side and the right side wall of the bottom shell, and the dust removing component is in contact with the filter screen.

And connecting seats are arranged at four corners of the damping mechanism.

The dust removal assembly comprises an electromagnetic ring, a T-shaped column, a limiting pipe, a first spring and a hollow supporting frame, wherein the hollow supporting frame is arranged inside a sleeve and far away from one end of the support, one end of the limiting pipe is fixedly connected to one side of the hollow supporting frame, which is close to the support, of the hollow supporting frame, one end of the T-shaped column is slidably connected to the periphery of the limiting pipe, the first spring is arranged between the T-shaped column and the support, and the electromagnetic ring is arranged on one side, which is close to the hollow supporting frame, of the support.

An electric heating wire is arranged on one side of the support and is electrically connected with an external power supply.

The damping mechanism comprises a base, an upper seat, a connecting rod, sliding blocks, a straight rod, a spring II, connecting sleeves and a spring rod, wherein the front end and the rear end of the straight rod are fixedly connected to the left side and the right side of the base, the lower portion of the sliding block is slidably connected to the front side and the rear side of the straight rod, the spring II is sleeved on the periphery of the straight rod, the spring II is arranged between the two sliding blocks, one end of the connecting rod is rotationally connected to the upper portion of the sliding block, the other end of the connecting rod is rotationally connected to the inner top wall of the upper seat, the lower portion of the upper seat is slidably connected to the upper portion of the base, one end of the spring rod is fixedly connected to the inner bottom wall of the base, and the other end of the spring rod is fixedly connected to the inner top wall of the upper seat.

Middle thread of connecting sleeve is connected to the front side and the rear side of the straight rod, one opposite ends of the connecting sleeves are rotationally connected to the outer sides of the sliding blocks.

Compared with the prior art, the utility model has the following beneficial effects:

1. When cold weather, for the heating wire power supply for the heating wire produces heat, and heats the air, blow the air of heating into the drain pan inside through the fan afterwards, thereby prevent that the drain pan is inside to freeze, and when attaching a large amount of dust on the filter screen, for electromagnetic ring circular telegram and outage, make electromagnetic ring adsorb T shape post, and compression spring one, after the outage, electromagnetic ring can' T adsorb T shape post, spring one makes T shape post reset and produce vibration and air current, thereby clear up the dust of filter screen, resume the filter effect of filter screen.

2. Through rotatory adapter sleeve to adjust the position of slider on the straight-bar, thereby restrict the flexible volume of spring two, and then adjust damping's softness, conveniently carry out shock attenuation debugging, improve shock attenuation effect, the protection switch board internal element.

Drawings

FIG. 1 is a schematic perspective view of a control cabinet of a wind power pitch system according to the present utility model;

FIG. 2 is a schematic diagram of a heat dissipation mechanism of a control cabinet of a wind power pitch system according to the present utility model;

FIG. 3 is a schematic diagram of a dust removal assembly of a control cabinet of a wind power pitch system according to the present utility model;

Fig. 4 is a schematic structural view of a damping mechanism of a control cabinet of a wind power pitch system according to the present utility model.

In the figure: 1. a bottom case; 2. an upper cover; 3. a heat dissipation mechanism; 301. a protective cover; 302. a fan; 303. a filter screen; 304. a dust removal assembly; 3041. an electromagnetic ring; 3042. a T-shaped column; 3043. a limiting tube; 3044. a first spring; 3045. a hollow support; 305. a sleeve; 306. a bracket; 307. heating wires; 4. a damping mechanism; 401. a base; 402. an upper seat; 403. a connecting rod; 404. a slide block; 405. a straight rod; 406. a second spring; 407. connecting sleeves; 408. a spring rod; 5. and a connecting seat.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the control cabinet of the wind power pitch system comprises a bottom shell 1, wherein an upper cover 2 is arranged at the upper part of the bottom shell 1, a damping mechanism 4 is arranged at the lower part of the bottom shell 1, and heat dissipation mechanisms 3 are arranged at the left side and the right side of the bottom shell 1.

In this embodiment, the heat dissipation mechanism 3 includes a protection cover 301, a fan 302, a filter screen 303, a dust removing assembly 304, a sleeve 305 and a support 306, the sleeve 305 is disposed inside the left and right sides of the bottom shell 1, the support 306 is disposed on one side of the sleeve 305, the dust removing assembly 304 is disposed outside the support 306, the protection cover 301 is disposed in the middle of the left and right sides of the bottom shell 1, the fan 302 is mounted in the middle of the protection cover 301, the periphery of the filter screen 303 is disposed in the middle of the left and right side walls of the bottom shell 1, the dust removing assembly 304 contacts the filter screen 303, the four corners of the damping mechanism 4 are provided with connecting seats 5, the dust removing assembly 304 includes an electromagnetic ring 3041, a T-shaped column 3042, a limiting tube 3043, a spring 3044 and a hollow support 3045, the hollow support 3045 is disposed inside the sleeve 305 and far from one end of the support 306, one end of the limiting tube 3043 is fixedly connected to one side of the hollow support 3045 close to the support 306, one end of the T-shaped column 3042 is slidably connected to one side of the limiting tube 3043, the spring 3044 is disposed between the T-shaped column 3042 and the support 306, the electromagnetic ring 3041 is disposed on one side of the support 306 close to the side of the hollow support 3045, and the support 306 is provided with an electric heating wire 307 is electrically connected to the outside.

Specifically, in cold weather, the heating wire 307 is powered, so that the heating wire 307 generates heat and heats air, then the heated air is blown into the bottom shell 1 by the fan 302, thereby preventing the inside of the bottom shell 1 from freezing, and when a large amount of dust is attached to the filter screen 303, the electromagnetic ring 3041 is powered on and off, so that the electromagnetic ring 3041 adsorbs the T-shaped column 3042 and compresses the first spring 3044, after the power is off, the electromagnetic ring 3041 cannot adsorb the T-shaped column 3042, the first spring 3044 resets the T-shaped column 3042 and generates vibration and airflow, thereby cleaning the dust of the filter screen 303 and recovering the filtering effect of the filter screen 303.

In this embodiment, the damping mechanism 4 includes a base 401, an upper seat 402, a connecting rod 403, a slider 404, a straight rod 405, a second spring 406, a connecting sleeve 407 and a spring rod 408, where the front end and the rear end of the straight rod 405 are fixedly connected to the left side and the right side of the base 401, the lower portion of the slider 404 is slidably connected to the front side and the rear side of the straight rod 405, the second spring 406 is sleeved on the periphery of the straight rod 405, the second spring 406 is disposed between the two sliders 404, one end of the connecting rod 403 is rotatably connected to the upper portion of the slider 404, the other end of the connecting rod 403 is rotatably connected to the inner top wall of the upper seat 402, the lower portion of the upper seat 402 is slidably connected to the upper portion of the base 401, one end of the spring rod 408 is fixedly connected to the inner bottom wall of the base 401, the other end of the spring rod 408 is fixedly connected to the inner top wall of the upper seat 402, the middle portion of the connecting sleeve 407 is in threaded connection to the front side and the rear side of the straight rod 405, and one end of the connecting sleeve 407 is rotatably connected to the outer side of the slider 404.

Specifically, through rotatory adapter sleeve 407 to adjust the position of slider 404 on straight-bar 405, thereby restriction spring two 406 flexible volume, and then adjust damping's softness, conveniently carry out shock attenuation debugging, improve the shock attenuation effect, protect the inside component of switch board.

Working principle:

Through rotatory adapter sleeve 407 to adjust the position of slider 404 on straight-bar 405, thereby the flexible volume of restriction spring two 406, and then adjust damping's softness, conveniently carry out shock attenuation debugging, improve shock attenuation effect, protect the switch board internal element, in cold weather, supply power for heating wire 307, make heating wire 307 produce heat, and heat air, then blow the air that heats into inside drain pan 1 through fan 302, thereby prevent that drain pan 1 is inside freezes, and when a large amount of dust is attached to filter screen 303, energize and outage for electromagnetic ring 3041, make electromagnetic ring 3041 adsorb T shape post 3042, and compress spring one 3044, after outage, electromagnetic ring 3041 can' T adsorb T shape post 3042, spring one 3044 makes T shape post 3042 reset and produce vibration and air current, thereby clear up the dust of filter screen 303, resume the filter effect of filter screen 303.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wind-powered electricity generation becomes oar system control cabinet, includes drain pan (1), its characterized in that: an upper cover (2) is arranged at the upper part of the bottom shell (1), a damping mechanism (4) is arranged at the lower part of the bottom shell (1), and heat dissipation mechanisms (3) are arranged at the left side and the right side of the bottom shell (1);

The heat dissipation mechanism (3) comprises a protective cover (301), a fan (302), a filter screen (303), a dust removing assembly (304), a sleeve (305) and a support (306), wherein the sleeve (305) is arranged inside the left side and the right side of the bottom shell (1), the support (306) is arranged on one side of the inside of the sleeve (305), the dust removing assembly (304) is arranged outside the support (306), the protective cover (301) is arranged in the middle of the left side and the right side of the bottom shell (1), the fan (302) is arranged in the middle of the protective cover (301), the periphery of the filter screen (303) is arranged in the middle of the left side wall and the right side wall of the bottom shell (1), and the dust removing assembly (304) is in contact with the filter screen (303).

2. The wind power pitch system control cabinet of claim 1, wherein: four corners of the damping mechanism (4) are provided with connecting seats (5).

3. The wind power pitch system control cabinet of claim 1, wherein: the dust removal assembly (304) comprises an electromagnetic ring (3041), a T-shaped column (3042), a limiting pipe (3043), a first spring (3044) and a hollow supporting frame (3045), wherein the hollow supporting frame (3045) is arranged inside a sleeve (305) and far away from one end of the supporting frame (306), one end of the limiting pipe (3043) is fixedly connected to one side, close to the supporting frame (306), of the hollow supporting frame (3045), one end of the T-shaped column (3042) is connected to the inner portion of the limiting pipe (3043) in a sliding mode, the first spring (3044) is arranged between the T-shaped column (3042) and the supporting frame (306), and the electromagnetic ring (3041) is arranged on one side, close to the hollow supporting frame (3045), of the supporting frame (306).

4. The wind power pitch system control cabinet of claim 1, wherein: an electric heating wire (307) is arranged on one side of the bracket (306), and the electric heating wire (307) is electrically connected with an external power supply.

5. The wind power pitch system control cabinet of claim 1, wherein: the shock-absorbing mechanism (4) comprises a base (401), an upper seat (402), a connecting rod (403), a sliding block (404), a straight rod (405), a spring II (406), a connecting sleeve (407) and a spring rod (408), wherein the front end and the rear end of the straight rod (405) are fixedly connected to the left side and the right side of the base (401), the lower part of the sliding block (404) is slidably connected to the front side and the rear side of the straight rod (405), the spring II (406) is sleeved on the periphery of the straight rod (405), the spring II (406) is arranged between the two sliding blocks (404), one end of the connecting rod (403) is rotationally connected to the upper part of the sliding block (404), the other end of the connecting rod (403) is rotationally connected to the inner top wall of the upper seat (402), one end of the spring rod (408) is fixedly connected to the inner bottom wall of the base (401), and the other end of the spring rod (408) is fixedly connected to the inner top wall of the upper seat (402).

6. The wind power pitch system control cabinet of claim 5, wherein: the middle part of the connecting sleeve (407) is connected with the front side and the rear side of the straight rod (405) in a threaded manner, and one end of the connecting sleeve (407) opposite to the connecting sleeve is connected with the outer side of the sliding block (404) in a rotating manner.