A lightning strike counting device

A lightning strike counting and arrester technology, applied in measuring devices, instruments, measuring electrical variables, etc., can solve the problems of difficult disassembly, reduced maintenance efficiency, and inability to ensure the normal operation of the power system, so as to improve maintenance efficiency, ensure stable operation, Simple disassembly and assembly

Active Publication Date: 2020-01-07
海南蓝线实业有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The existing lightning strike counters are generally fixed on the grounding wire of the lightning arrester, and are used to collect whether there is current passing through the grounding wire to judge whether a lightning strike occurs. When the lightning strike counter fails, it needs to be disassembled for maintenance. The disassembly is difficult and reduces Maintenance efficiency is reduced, and it is often difficult for staff to judge whether the lightning strike counter can work normally, and it is impossible to guarantee the normal operation of the power system

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Embodiment Construction

[0024] In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0025] see Figure 1 to Figure 5 , a lightning strike counting device provided by the present invention includes an open current transformer 1 for being sleeved on the ground wire of the arrester, a first controller 2 for processing the signal collected by the open current transformer 1, and a first controller 2 for The first display screen 3 showing the number of lightning strikes, the power supply 4 for providing power and the test circuit 5 for self-testing, the first controller 2 is respectively connected with the open current transformer 1, the first display screen 3, The power supply 4 and the test line 5 are electrically connected, the test line 5 is set on the open current transformer 1, the test line 5 is electrically connected to the power supply 4;...

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Abstract

The invention provides a lightning strike counting device. An open current transformer is used for detecting the current on a grounding wire of a lightning arrester. When lightning strikes, the open current transformer can sense the current flowing, generates a sensing current, and transmits the current to a first controller. The first controller controls that the number of times of lightning displayed on a first display screen to be added by one, thereby realizing the lightning strike counting function. Because of the open current transformer, mounting or dismounting becomes convenient; and with a testing line, the lightning striking situation is simulated by leading the power to the test line, thereby determining whether the lightning strike counting device works normally. Therefore, thenormal operation of the power system is ensured; and the basis is provided for fault analysis of the power system.

Description

technical field [0001] The invention relates to the technical field of lightning protection for power distribution lines, in particular to a lightning strike counting device. Background technique [0002] Lightning arrester is an important device to protect power equipment. When a lightning strike occurs, the lightning current can be introduced into the ground to prevent the power system from being damaged. In order to grasp the lightning strike to ensure the normal operation of the power system, a lightning strike counter is designed. Used to count the number of lightning strikes. [0003] The existing lightning strike counters are generally fixed on the grounding wire of the lightning arrester, and are used to collect whether there is current passing through the grounding wire to judge whether a lightning strike occurs. When the lightning strike counter fails, it needs to be disassembled for maintenance. The disassembly is difficult and reduces Maintenance efficiency is r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R19/17G01R35/00
Inventor 梁峰
Owner 海南蓝线实业有限公司
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