CN221921238U - Lightning protection equipment of wind generating set - Google Patents

Abstract

The utility model relates to the technical field of lightning protection, in particular to lightning protection equipment of a wind generating set; including base, lightning rod main part and complementary unit, complementary unit includes the terminal, the mount pad, the otic placode, the revolving board, the camera, installation device, drive arrangement and stop device, when needing to overhaul lightning rod main part operating condition, work through ground control system control camera, shoot, act through control system control drive arrangement, drive revolving board rotation, adjust the camera shooting angle, then, after the camera is shot with picture information transfer to ground control system, and show through monitored control system, through taking the picture, maintainer alright know lightning rod main part operating condition fast, during maintenance, personnel need not climb to the top, maintenance time will reduce greatly, thereby can realize in the work use, when overhauling lightning rod main part operating condition, staff working strength can be alleviateed, and maintenance efficiency is promoted.

Description

Lightning protection device for wind turbine generator set

Technical Field

The utility model relates to the technical field of lightning protection, in particular to a lightning protection device for a wind turbine generator set.

Background Art

Wind energy is a clean and renewable energy source. Wind turbines that use wind energy to generate electricity have been widely used. Their power generation system consists of a nacelle, wind rotor and blades, a transmission gearbox, a variable pitch system, a safety system, a braking system, a power generation system, a tower and a monitoring system.

In order to ensure safety when wind turbines are in use, lightning protection equipment will be installed for safety protection to ensure that the wind turbines can work safely on rainy days. Most of them are lightning rods installed for lightning protection.

However, wind turbines are located at high places, making maintenance very troublesome. In addition, wind farms are at a certain height above the ground and the wind speed is relatively high. Lightning rods may be crooked when working, which is not easy to detect in time. This requires personnel to climb to high places regularly for maintenance, which is work-intensive and inefficient.

Utility Model Content

The utility model aims to provide a lightning protection device for a wind turbine generator set, which can reduce the workload of staff and improve the maintenance efficiency when the working state of the lightning rod main body is inspected during operation.

To achieve the above-mentioned object, the utility model provides a lightning protection device for a wind turbine generator set, comprising a base and a lightning rod body, wherein the lightning rod body is fixedly connected to the base and is located on the base, and further comprises an auxiliary mechanism;

The auxiliary mechanism includes a terminal post, a mounting seat, an ear plate, a rotating plate, a camera, a mounting device, a driving device and a limiting device. The terminal post is fixedly connected to the base and is located at the bottom of the base. The mounting seat is located at one side of the base. The ear plate is fixedly connected to the mounting seat and is located on the mounting seat. The rotating plate is rotatably connected to the ear plate and is located on one side of the ear plate. The camera is fixedly connected to the rotating plate and is located on the rotating plate. The mounting device is arranged on a side of the base close to the mounting seat. The driving device is arranged on a side of the ear plate close to the rotating plate. The limiting device is arranged on a side of the ear plate close to the rotating plate.

Among them, the installation device includes a supporting frame and a fixing frame, the supporting frame is detachably connected to the base, and is fixedly connected to the mounting seat, and is located on the side of the base close to the mounting seat; the fixing frame is detachably connected to the base, and is fixedly connected to the supporting frame, and is located on the side of the base close to the supporting frame.

Wherein, the driving device includes a servo motor and a rigid coupling, the servo motor is fixedly connected to the ear plate and is located on the ear plate; the rigid coupling is fixedly connected to the output shaft of the servo motor and fixedly connected to the rotating plate, and is located on the side of the servo motor close to the rotating plate.

Wherein, the limit device includes a first detection switch and a second detection switch, the first detection switch is fixedly connected to the ear plate and is located below the rotating plate; the second detection switch is fixedly connected to the ear plate and is located on the side of the ear plate close to the rotating plate.

Wherein, the auxiliary mechanism also includes a support plate and an ultrasonic bird repeller, wherein the support plate is fixedly connected to the mounting seat and is located on a side of the mounting seat close to the ear plate; the ultrasonic bird repeller is fixedly arranged on the support plate.

The utility model discloses a lightning protection device for a wind turbine generator set, in which a lightning rod body is mounted on a base, a terminal is welded on the base, and the grounding wire is installed and set conveniently, a mounting seat is located at one side of the base, an ear plate is welded on the mounting seat, a rotating plate is rotatably connected with the ear plate, a camera is mounted on the rotating plate, a mounting device is arranged on a side of the base close to the mounting seat, and is used for mounting and fixing the mounting seat, a driving device is arranged on a side of the ear plate close to the rotating plate, and is used for driving the rotating plate to rotate, a limiting device is arranged on a side of the ear plate close to the rotating plate, and is used for limiting the rotation of the rotating plate, and when the working state of the lightning rod body needs to be inspected and repaired, the camera can be controlled to work through a ground control system to take pictures At the same time, the control system can be used to control the action of the driving device to drive the rotating plate to rotate, thereby adjusting the shooting angle of the camera, which is conducive to shooting the main body of the lightning rod. Then, the camera transmits the image information to the ground control system after shooting, and displays it through the monitoring system. By taking pictures, maintenance personnel can quickly know the working status of the main body of the lightning rod, whether there is a tilt or break that requires maintenance, so as to facilitate timely processing. During maintenance, personnel do not need to climb to the top, and the maintenance time will be greatly reduced, so that when the working status of the main body of the lightning rod is inspected during work use, the workload of the staff can be reduced and the maintenance efficiency can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

FIG1 is a schematic diagram of the overall structure of a lightning protection device for a wind turbine generator set according to a first embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the ear plate of the first embodiment of the present invention.

FIG3 is a schematic diagram of the overall structure of a lightning protection device for a wind turbine generator set according to a second embodiment of the present invention.

In the figure: 101-base, 102-lightning rod body, 103-terminal, 104-mounting seat, 105-ear plate, 106-rotating plate, 107-camera, 108-support frame, 109-fixed frame, 110-servo motor, 111-rigid coupling, 112-first detection switch, 113-second detection switch, 201-support plate, 202-ultrasonic bird repeller.

DETAILED DESCRIPTION

Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

Embodiment 1:

As shown in Figures 1 and 2, Figure 1 is a schematic diagram of the overall structure of the lightning protection device of a wind turbine generator set, and Figure 2 is a schematic diagram of the structure of an ear plate 105. The utility model provides a lightning protection device for a wind turbine generator set: including a base 101, a lightning rod body 102 and an auxiliary mechanism, the auxiliary mechanism includes a terminal 103, a mounting seat 104, an ear plate 105, a rotating plate 106, a camera 107, a mounting device, a driving device and a limiting device, the mounting device includes a support frame 108 and a fixing frame 109, the driving device includes a servo motor 110 and a rigid coupling 111, and the limiting device includes a first detection switch 112 and a second detection switch 113. Through the above-mentioned scheme, it can be realized that when the working state of the lightning rod body 102 is inspected during work use, the work intensity of the staff can be reduced and the inspection efficiency can be improved. It can be understood that the above-mentioned scheme can reduce the work intensity of the staff and improve the inspection efficiency when the working state of the lightning rod body 102 is inspected.

In this embodiment, the lightning rod body 102 is fixedly connected to the base 101 and is located on the base 101. The lightning rod body 102 is installed on the base 101 through screws and nuts. At the same time, a through pin hole is opened on the threaded end of the screw to facilitate the installation of a cotter pin, which is used to prevent the nut from loosening. An installation hole is opened on the base 101 to facilitate installation and fixing by bolts.

Among them, the terminal 103 is fixedly connected to the base 101 and is located at the bottom of the base 101, the mounting seat 104 is located on one side of the base 101, the ear plate 105 is fixedly connected to the mounting seat 104 and is located on the mounting seat 104, the rotating plate 106 is rotatably connected to the ear plate 105 and is located on one side of the ear plate 105, the camera 107 is fixedly connected to the rotating plate 106 and is located on the rotating plate 106, the mounting device is arranged on the side of the base 101 close to the mounting seat 104, the driving device is arranged on the side of the ear plate 105 close to the rotating plate 106, and the limiting device is arranged on the side of the ear plate 105 close to the rotating plate 106. The terminal 103 is welded on the base 101, and the upper end is a threaded column with a fastening nut installed to facilitate fixing of one end of the grounding wire, and the other end of the grounding wire is connected to the ground grid. The ear plate 105 is welded on the top of the mounting seat 104. The cross-section of the rotating plate 106 is in the shape of a Chinese character "中". The end of the mounting shaft on one side is mounted on the side wall of the ear plate 105 through a rotating bearing, and the end of the mounting shaft on the other side is connected to the driving device. The camera 107 is fixed to the rotating plate 106 by bolts. The mounting device is arranged on the side of the base 101 close to the mounting seat 104 for installing and fixing the mounting seat 104. The driving device is arranged on the side of the ear plate 105 close to the rotating plate 106 for driving the rotating plate 106 to rotate. The limiting device is arranged on the side of the ear plate 105 close to the rotating plate 106 for limiting the rotation of the rotating plate 106.

Secondly, the support frame 108 is detachably connected to the base 101, and is fixedly connected to the mounting seat 104, and is located on the side of the base 101 close to the mounting seat 104; the fixing frame 109 is detachably connected to the base 101, and is fixedly connected to the support frame 108, and is located on the side of the base 101 close to the support frame 108. The semicircular cavities of the support frame 108 and the fixing frame 109 can be respectively inserted into the outer side of the circular shaft end of the base 101, and then the support frame 108 is connected to the fixing frame 109 through a screw and a nut. At the same time, a through pin hole is opened on the threaded end of the screw to facilitate the installation of a split pin, and the split pin is used to prevent the nut from loosening. The mounting seat 104 is installed on the mounting round table of the support frame 108 by bolts, and the outer surfaces of the mounting seat 104, the support frame 108 and the fixing frame 109 are sprayed with insulating paint.

Then, the servo motor 110 is fixedly connected to the ear plate 105 and is located on the ear plate 105; the rigid coupling 111 is fixedly connected to the output shaft of the servo motor 110 and is fixedly connected to the rotating plate 106, and is located on the side of the servo motor 110 close to the rotating plate 106. The servo motor 110 is provided with a brake mechanism and an encoder, and the brake mechanism is convenient for stopping and locking the shaft to achieve the position stop and retention of the camera 107. The encoder is used for rotation angle control. The servo motor 110 is installed on the ear plate 105 by bolts, and one end of the rigid coupling 111 is locked on the output shaft of the servo motor 110 by bolts, and the other end is locked on the connection end of the rotating plate 106 by bolts.

Finally, the first detection switch 112 is fixedly connected to the ear plate 105 and is located below the rotating plate 106 ; the second detection switch 113 is fixedly connected to the ear plate 105 and is located on a side of the ear plate 105 close to the rotating plate 106 . The first detection switch 112 and the second detection switch 113 both adopt E3FA-DN12 model photoelectric switches, which are respectively locked on the ear plate 105 by nut plates installed on both sides. After installation, the first detection switch 112 is located at the detection position below the rotating plate 106. When the limit position signal is detected, the rotating plate 106 is in a vertical downward state. After installation, the second detection switch 113 is located at the detection position on the rear side of the rotating plate 106. When the limit position signal is detected, the rotating plate 106 is in a horizontal state. When the servo motor 110 drives the rotating plate 106 to rotate to the limit position respectively, the first detection switch 112 and the second detection switch 113 can detect signals respectively, and the control system cuts off the control power of the servo motor 110. At this time, the reset button of the control system can be pressed to control the servo motor 110 to move in the reverse direction to eliminate the alarm and continue to control the rotation of the rotating plate 106.

When the present invention is used at work, when the working state of the lightning rod body 102 is inspected, the work intensity of the staff can be reduced and the inspection efficiency can be improved. First, the base 101, the lightning rod body 102 and the grounding wire installed on the terminal 103 cooperate to achieve lightning protection. After the lightning rod body 102 is struck by lightning, the lightning charge is transferred to the ground grid through the grounding wire, and then transferred to the earth evenly and quickly through multiple grounding bodies at the bottom of the ground grid, which has the effect of quickly and safely releasing the lightning charge, can improve the defense capability against lightning, and reduce the loss caused by lightning disasters. When the working state of the lightning rod body 102 needs to be inspected, the camera 107 can be controlled by the ground control system to take pictures. At the same time, the servo motor 110 can be controlled by the control system to move , driving the rigid coupling 111 and the rotating plate 106 to rotate, so that the shooting angle of the camera 107 can be adjusted, which is conducive to shooting the lightning rod body 102. When the rotating plate 106 rotates, the first detection switch 112 and the second detection switch 113 are limited. Then, the camera 107 transmits the picture information to the ground control system after shooting, and displays it through the monitoring system. By taking pictures, maintenance personnel can quickly know the working status of the lightning rod body 102, whether there is a tilt or breakage that requires maintenance, so as to facilitate timely processing. During maintenance, personnel do not need to climb to the top, and the maintenance time will be greatly reduced, so that when the working status of the lightning rod body 102 is inspected during work use, the work intensity of the staff can be reduced and the maintenance efficiency can be improved.

Embodiment 2:

As shown in FIG. 3 , FIG. 3 is a schematic diagram of the overall structure of the lightning protection device of the wind turbine generator set. On the basis of the first embodiment, the utility model provides a lightning protection device for a wind turbine generator set, and the auxiliary mechanism further includes a support plate 201 and an ultrasonic bird repeller 202 .

The support plate 201 is fixedly connected to the mounting seat 104 and is located on the side of the mounting seat 104 close to the ear plate 105; the ultrasonic bird repeller 202 is fixedly arranged on the support plate 201, the support plate 201 is fixed to the mounting seat 104 by bolts, and the ultrasonic bird repeller 202 is fixed to the support plate 201 by bolts.

In this embodiment, the ultrasonic bird repeller 202 is provided, which emits ultrasonic waves of a certain intensity in a small range when working, stimulating the nervous system of birds, thereby creating a noise environment that makes birds irritable and makes birds stay away from this area, which is beneficial to protecting the transparent cover of the camera 107, avoiding bird pecking, and reducing the situation where birds stay and excrete feces and adhere to the transparent cover, which is beneficial to the stable operation of the camera 107.

What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims (5)

1. The lightning protection device of the wind generating set comprises a base and a lightning rod main body, wherein the lightning rod main body is fixedly connected with the base and is positioned on the base,

The device also comprises an auxiliary mechanism;

The auxiliary mechanism comprises a binding post, a mounting seat, an ear plate, a rotating plate, a camera, a mounting device, a driving device and a limiting device, wherein the binding post is fixedly connected with the base and is positioned at the bottom of the base, the mounting seat is positioned at one side of the base, the ear plate is fixedly connected with the mounting seat and is positioned on the mounting seat, the rotating plate is rotationally connected with the ear plate and is positioned at one side of the ear plate, the camera is fixedly connected with the rotating plate and is positioned on the rotating plate, the mounting device is arranged on the base and is close to one side of the mounting seat, the driving device is arranged on the ear plate and is close to one side of the rotating plate, and the limiting device is arranged on one side of the ear plate and is close to one side of the rotating plate.

2. A lightning protection device for a wind turbine generator system according to claim 1,

The mounting device comprises a support frame and a fixing frame, wherein the support frame is detachably connected with the base, is fixedly connected with the mounting seat and is positioned on one side of the base close to the mounting seat; the fixing frame is detachably connected with the base, fixedly connected with the support frame and positioned on one side of the base, which is close to the support frame.

3. A lightning protection device for a wind turbine generator system according to claim 1,

The driving device comprises a servo motor and a rigid coupling, and the servo motor is fixedly connected with the lug plate and is positioned on the lug plate; the rigid coupling is fixedly connected with the output shaft of the servo motor, fixedly connected with the rotating plate and positioned on one side, close to the rotating plate, of the servo motor.

4. A lightning protection device for a wind turbine generator system according to claim 1,

The limiting device comprises a first detection switch and a second detection switch, and the first detection switch is fixedly connected with the ear plate and is positioned below the rotating plate; the second detection switch is fixedly connected with the lug plate and is positioned on one side of the lug plate, which is close to the rotating plate.

5. A lightning protection device for a wind turbine generator system according to claim 1,

The auxiliary mechanism further comprises a supporting plate and an ultrasonic bird repeller, wherein the supporting plate is fixedly connected with the mounting seat and is positioned on one side, close to the ear plate, of the mounting seat; the ultrasonic bird repeller is fixedly arranged on the supporting plate.