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Intelligent electric field exceptional safety alarming device

An abnormal safety and alarm device technology, applied in the direction of electromagnetic field characteristics, can solve the problem of abnormal changes in the electric field that cannot be alarmed in time

Inactive Publication Date: 2013-10-09
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the problems existing in the above-mentioned prior art, the present invention provides an intelligent electric field abnormality safety alarm device, which solves the problem in the prior art that the abnormal changes in the electric field in the substation cannot be alarmed in time and remind personnel to pay attention

Method used

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Embodiment

[0018] The field protection of the present invention shows as figure 1 shown. Depend on figure 1 It can be seen that no matter day or night, the device can sense the electromagnetic field conditions within its monitoring range and emit a "beep-beep-" sound that is linearly related to the potential or send out other voices to warn maintenance personnel.

[0019] When in use, install the device in the key area or around the inspection line. It can be installed underground, on the equipment structure and on the side of the aisle around the inspection line. It can be connected according to the electrical installation diagram. The device is lightweight and compact. The structure has good sealing, rainproof and dustproof, which is convenient for installation and debugging outdoors or anywhere between inspection equipment; after the application of solar cells and batteries, the power consumption of the device is extremely low, so the device can be used continuously for a long ti...

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Abstract

The invention relates to an intelligent electric field exceptional safety alarming device which is capable of warning inspection staff to evacuate timely after an electric field changes, and the intelligent electric field exceptional safety alarming device is mainly applied to electric field early warning of key positions and an inspection channel of an electrical power system transformer substation. According to the structure, a power supply device provides power for other parts through a voltage stabilization device; an electromagnetic sensor set sends electromagnetic field intensity signals in a read space to a signal amplifying device, and the signal amplifying device converts received signals into current values capable of being recognized by a microprocessor and transmits the current values to the microprocessor; the microprocessor drives a buzzer or a voice device to give out alert sounds according to the induced electromotive force situation in the space. The intelligent electric field exceptional safety alarming device is arranged on key areas or an inspection route, can remind staff wanting to enter a failure area range to evade risks timely at any time, and is a safety early-warning protecting tool which can provide safety warning for running, inspection, testing and protection of electric power systems and maintenance staff simply, conveniently, effectively and intelligently, and eradicates or evades the occurrence of human casualty accidents.

Description

technical field [0001] The present invention relates to a safety protection device capable of alerting inspectors after changes in the electric field, and in particular to an intelligent electric field abnormality safety alarm device capable of reminding personnel to evacuate in time, which is mainly applied to electric field abnormalities in key parts of power system substations and inspection channels Early warning and personal safety protection. Background technique [0002] The power system requires personnel to conduct inspections, operations, maintenance, high-voltage tests, protection calibration, and measurement and debugging of equipment in substations. During inspection, inspection, maintenance and testing, electrical equipment in operation will suffer major faults such as overvoltage shock, system short circuit, equipment explosion and busbar grounding due to various reasons. After the fault, the ground around the fault point in the substation The potential rise...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/08
Inventor 陈润晶田冰赵爱丽
Owner STATE GRID CORP OF CHINA
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