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Variable gap air receptor and lightning protection device

An air-termination, variable-gap technology, applied in corona discharge devices, connecting contact materials, electrical components, etc., can solve problems such as charge corona phenomenon, lightning protection failure, etc., achieve simple structure, avoid corona and lightning Reliable effect

Active Publication Date: 2022-05-10
GUANGDONG POWER GRID CO LTD +1
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, in practical applications, the accumulation of charges on the air receptor will cause corona phenomenon, which will lead to the failure of lightning protection

Method used

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  • Variable gap air receptor and lightning protection device
  • Variable gap air receptor and lightning protection device
  • Variable gap air receptor and lightning protection device

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Embodiment Construction

[0022] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0023] Such as Figure 1 to Figure 3 As shown, a variable-gap air-termination device 1 provided by the present invention is used to be installed on the top of the tower 2 of the power transmission line. The variable-gap lightning-termination device 1 is electrically connected to the grounding grid. The flasher 1 introduces lightning into the grounding grid to prevent the tower 2 from being struck by lightning and ensure the safety of power transmission. The variable gap air receptor 1 includes a lightning conductor 10, a first conductor 11 and a second conductor 12, and the lightning conductor 10, the first conductor 11 and the second conductor 12 are a...

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Abstract

The invention relates to a variable-gap lightning-termination device and a lightning protection device. The variable-gap lightning-termination device includes a lightning-leading pole, a first conductor and a second conductor. The first conductor is used for electrical connection with a grounding grid, and the second conductor It is elastically arranged on the first conductor, and the lightning-leading pole is penetrated through the second conductor and insulatedly connected with the first conductor. The circumference of the second conductor is provided with a plurality of blades. In the first state, the second conductor The body is spaced from the lightning-inducing pole, and in the second state, the blade can drive the second conductor to abut against the lightning-inducing pole under the action of wind force. By setting the second conductor elastically connected to the first conductor, the lightning conductor is separated from the second conductor, the second conductor is provided with blades, and the blades make the second conductor contact the lightning conductor under the action of wind force, Achieve electrical access. This structure can avoid the problem that the lightning-leading electrode cannot be successfully triggered due to corona, and the large amount of charge on the lightning-leading electrode can be blown away by the wind to avoid the occurrence of corona. It has the characteristics of simple structure and high reliability of lightning induction.

Description

technical field [0001] The invention relates to the technical field of electric power equipment, in particular to a variable-gap air-termination device and a lightning protection device comprising the variable-gap air-termination device. Background technique [0002] The lightning receptor is an important part of the lightning protection device. The lightning receptor is a metal object used to directly receive lightning strikes. The lightning receptor is set on the top of the object to be protected and connected to the grounding grid through a down conductor. When a lightning strike occurs, the lightning is introduced into the ground through the air receptor to realize the lightning protection of the protected object. However, in practical applications, the accumulation of electric charges on the air receptor will cause corona phenomenon, which will lead to the failure of lightning protection. Contents of the invention [0003] The object of the present invention is to pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T19/04H01R4/64H01R4/66
CPCH01T19/04H01R4/64H01R4/66
Inventor 张焕强余克光
Owner GUANGDONG POWER GRID CO LTD
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