CN214998043U - Lightning stroke protection structure of wind power blade - Google Patents

Lightning stroke protection structure of wind power blade Download PDF

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Publication number
CN214998043U
CN214998043U CN202120064995.3U CN202120064995U CN214998043U CN 214998043 U CN214998043 U CN 214998043U CN 202120064995 U CN202120064995 U CN 202120064995U CN 214998043 U CN214998043 U CN 214998043U
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CN
China
Prior art keywords
lightning
lightning protection
conductor
blade
protection box
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CN202120064995.3U
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Chinese (zh)
Inventor
张阿龙
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Xi'an Zewei Energy Technology Co ltd
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Xi'an Zewei Energy Technology Co ltd
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Priority to CN202120064995.3U priority Critical patent/CN214998043U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model discloses a lightning protection structure of wind power blade, which comprises a blade body, wherein one end of the blade body is provided with an insulating layer, the insulating layer is provided with a lightning protection box, the lightning protection box is internally provided with a lightning protection net, one end and one side of the lightning protection box are connected with lightning wires, one end and one side of the blade body are provided with through holes, the through holes are internally provided with insulating pads, one end of the lightning wires penetrating out of the through holes is connected with a lightning conductor, one side of the lightning protection box is connected with a lightning arrester through a wire, the output end of the lightning arrester is connected with a lightning conductor, when lightning strikes the blade, the lightning conductor transmits lightning current to the lightning conductor through the lightning conductor, the lightning conductor receives and disperses large current brought by the lightning, the dispersed current is transmitted into the lightning arrester through the wire, the lightning arrester is connected with a grounding conductor inside a wind power generator through the lightning conductor, thereby completing lightning protection of the wind power blade, the damage to the blade caused by instant impact caused by overlarge current is avoided.

Description

Lightning stroke protection structure of wind power blade
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation blade thunderbolt protection, concretely relates to wind-powered electricity generation blade thunderbolt protective structure.
Background
Wind power generation is a clean energy source that has received global attention in recent years. The wind power generator is a device for converting wind energy into electric energy, mainly comprises blades, a generator, mechanical parts and electrical parts, and is usually installed in an open plain area or a coastal area.
Because the wind-powered electricity generation blade is in higher department, consequently often suffer from the thunderbolt in thunderstorm weather, the wind-powered electricity generation blade is as one of wind turbine generator's important component part, it can lead to the fan to stop after receiving the thunderbolt and bring serious economic loss, consequently need install lightning arrester on the aerogenerator blade, avoid aerogenerator by the thunder and lightning harm, current lightning arrester is installed in the outside of wind-powered electricity generation blade more, hard metal easily causes wearing and tearing to the wind-powered electricity generation blade surface, and be difficult to accomplish thoroughly and wind-powered electricity generation blade surface insulation, the protective effect is not good enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind-powered electricity generation blade thunderbolt protective structure to there is the not good enough problem of protecting effect among the solution prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wind-powered electricity generation blade thunderbolt protective structure, includes the blade body, the insulating layer has been installed to the one end of blade body, the insulating layer facial make-up is equipped with the lightning protection case, the built-in lightning protection net that is equipped with of lightning protection case, the one end and one side of lightning protection case are connected with the lightning conductor, the one end and one side of blade body are equipped with the perforation, the built-in insulating pad that is equipped with of perforation, the lightning conductor is worn out fenestrate one end and is connected with the lightning conductor, one side of lightning protection case is connected with the arrester through the wire, the output of arrester is connected with the lightning conductor, the insulating layer facial make-up is equipped with battery and integrated controller, the hot plate has been installed to the one end of blade body.
Preferably, the lightning protection box is a square box structure, one end and one side of the lightning protection box are provided with connecting holes, one end of the lightning leading line penetrates out of the connecting holes and is connected to the lightning protection network, the other side of the lightning protection box is provided with a diversion hole, and one end of the wire penetrates out of the diversion hole and is connected to the lightning protection network.
Preferably, a driving module and an information processing module are integrated in the integrated controller.
Preferably, the outer surface of the blade body is provided with a lightning protection coating.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a wind-powered electricity generation blade lightning protection structure, when the thunder and lightning strikes the blade, the lightning rod conducts lightning current on the lightning-arrest net through the lightning-arrest line, the lightning-arrest net is accepted and is dispersed with the heavy current that the thunder and lightning brought, the electric current after the dispersion is conducted in the arrester through the wire, the arrester is to connecting the inside ground conductor of wind turbine generator system through the lightning-arrest line after the electric energy processing to accomplish the lightning protection to wind-powered electricity generation blade, the transient impact of having avoided the too big electric current to bring leads to the fact the destruction to the blade.
The utility model provides a wind-powered electricity generation blade thunderbolt protective structure, when temperature is lower, through remote control terminal control integrated controller, integrated controller starts the hot plate, and the hot plate heats the blade body to the effectual blade surface that prevents freezes, influences lightning-arrest function.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a sectional view of fig. 1.
In the figure: 1 blade body, 2 insulating layers, 3 lightning protection boxes, 4 lightning protection nets, 5 lightning conductors, 6 perforated holes, 7 lightning conductors, 8 lightning arresters, 9 lightning conductors, 10 storage batteries, 11 integrated controllers, 12 heating plates, 13 connecting holes, 14 diversion holes, 15 lightning protection coatings and 601 insulating pads.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 and 2, a wind power blade lightning protection structure comprises a blade body 1, an insulating layer 2 is adhered to the bottom end of the blade body 1 by using a sealant, the insulating layer 2 is made of carbon fiber, a lightning protection box 3 is adhered to the insulating layer 2 by using the sealant, the lightning protection box 3 is of a square box structure, the lightning protection box 3 is made of plastic, a lightning protection net 4 is adhered to the lightning protection box 3 by using the sealant, the lightning protection net 4 is made of conductive metal net, the structure is in an integrated structure extending net form, the mesh size of the lightning protection net 4 is designed in a gradual change mode, a mesh with a small aperture is adopted at the position most easily subjected to lightning stroke, lightning conductors 5 are connected to the top end and the right side of the lightning protection box 3, the lightning conductors 5 are provided with through holes 6 at the top end and the right side of the blade body 1, an insulating pad 601 is adhered to the inside the through holes 6 by using the sealant, one end of the insulating lightning conductor 5, which penetrates through the through holes 6, is connected with a lightning conductor 7, lightning protection box 3's left side is connected with arrester 8 through the wire, arrester 8's model is AH01350, arrester 8's output is connected with lightning conductor 9, the inside ground conductor of wind turbine generator system is connected to lightning conductor 9's the other end, it has battery 10 and integrated controller 11 to bond using sealed glue on insulating layer 2, the electric wire connection power is passed through to battery 10's input, integrated controller 11's model is STM32F103T8U6, integrated controller 11's input passes through the output of electric wire connection battery 10, integrated there are drive module and information processing module in the integrated controller 11, integrated controller 11's information input part passes through radio signal and connects remote control terminal, the top welding of blade body 1 has hot plate 12, the model of hot plate 12 is VFR08, the drive module of integrated controller 11 is passed through to hot plate 12's input.
Referring to fig. 2, the top and the right side of the lightning protection box 3 are provided with connecting holes 13, one end of the lightning conductor 5 penetrates through the connecting holes 13 and is welded on the lightning protection net 4, the left side of the lightning protection box 3 is provided with a diversion hole 14, one end of the conductor penetrates through the diversion hole 14 and is welded on the lightning protection net 4, the outer surface of the blade body 1 is coated with a lightning protection coating 15, and the lightning protection coating 15 is made of an insulating paint.
When thunder strikes the blade, lightning current is conducted to lightning net 4 through lightning conductor 5 by lightning conductor 7, and lightning net 4 accepts and disperses the heavy current that the thunder brought, and the electric current after the dispersion is conducted to arrester 8 in through the wire, and arrester 8 is handled the back to the electric energy and is connected the inside ground conductor of wind turbine generator system through lightning conductor 9 to accomplish the lightning protection to wind-powered electricity generation blade, avoided the too big transient impact that brings of electric current to cause the destruction to the blade. When air temperature is lower, through remote control terminal control integrated control ware 11, integrated control ware 11 starts hot plate 12, and hot plate 12 heats blade body 1 to the effectual blade surface that prevents freezes, influences lightning-arrest function.

Claims (4)

1. The utility model provides a wind-powered electricity generation blade thunderbolt protective structure, includes blade body (1), its characterized in that: insulating layer (2) have been installed to the one end of blade body (1), insulating layer (2) facial make-up is equipped with lightning protection box (3), lightning protection box (3) built-in lightning protection net (4) that is equipped with, the one end and one side of lightning protection box (3) are connected with lightning conductor (5), the one end and one side of blade body (1) are equipped with perforation (6), the built-in insulating pad (601) that is equipped with of perforation (6), the one end that perforation (6) were worn out in lightning conductor (5) is connected with lightning conductor (7), one side of lightning protection box (3) is connected with arrester (8) through the wire, the output of arrester (8) is connected with lightning conductor (9), insulating layer (2) facial make-up is equipped with battery (10) and integrated controller (11), hot plate (12) have been installed to the one end of blade body (1).
2. The wind turbine blade lightning protection structure of claim 1, characterized in that: lightning protection box (3) are square case structure, the one end and one side of lightning protection box (3) are equipped with connecting hole (13), the one end of drawing thunder line (5) is worn out connecting hole (13) and is connected on lightning protection net (4), the opposite side of lightning protection box (3) is equipped with water conservancy diversion hole (14), the one end of wire is worn out water conservancy diversion hole (14) and is connected on lightning protection net (4).
3. The wind turbine blade lightning protection structure of claim 1, characterized in that: and a driving module and an information processing module are integrated in the integrated controller (11).
4. The wind turbine blade lightning protection structure of claim 1, characterized in that: the outer surface of the blade body (1) is provided with a lightning protection coating (15).
CN202120064995.3U 2021-01-11 2021-01-11 Lightning stroke protection structure of wind power blade Active CN214998043U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120064995.3U CN214998043U (en) 2021-01-11 2021-01-11 Lightning stroke protection structure of wind power blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120064995.3U CN214998043U (en) 2021-01-11 2021-01-11 Lightning stroke protection structure of wind power blade

Publications (1)

Publication Number Publication Date
CN214998043U true CN214998043U (en) 2021-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120064995.3U Active CN214998043U (en) 2021-01-11 2021-01-11 Lightning stroke protection structure of wind power blade

Country Status (1)

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CN (1) CN214998043U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026962A (en) * 2022-05-26 2022-09-09 先之科半导体科技(东莞)有限公司 Dicing saw for packaging semiconductor diode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026962A (en) * 2022-05-26 2022-09-09 先之科半导体科技(东莞)有限公司 Dicing saw for packaging semiconductor diode

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