Live working safety early warning system

A safety early warning system and live working technology, applied to measuring devices, instruments, etc., can solve problems such as command delay, safety accidents, and inability to accurately judge existing distances, so as to improve accuracy and real-time performance and ensure safety.

Inactive Publication Date: 2018-05-01
STATE GRID HUNAN ELECTRIC POWER CO LTD MAINTENANCE CO +2
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Problems solved by technology

In the process of live work, the distance between the ground potential worker and the charged body or the equipotential worker and the grounding body is constantly changing, which may cause the worker to exceed the corresponding safe working area and cause a safety accident
Because the operator cannot accurately locate each part of the body when working on the wire or on the cross arm; and the live work is intense, it is not suitable to carry heavy and large monitoring equipment, so there is no reliable means to monitor the live work. process monitoring
At present, the safety of live-line work mainly depends on the supervision of dedicated guardians with rich practical experience in live-line work and the consciousness of operators. However, ther

Method used

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0048] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0049] refer to figure 1According to the embodiment of the present invention, a safety early warning system for live work includes: a safety distance monitoring device 1 , a physical sign data monitoring device 2 , and a ground monitoring center 3 .

[0050] The phys...

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Abstract

The invention discloses a live working safety early warning system which includes a sign data monitoring device worn on a live working person and used for collecting sign data of the live working person in operation; a safety distance monitoring device located on a tower pole and used for obtaining the sign data of the live working person from the sign data monitoring device, monitoring whether the live working person exceeds an alarm area, and giving an alarm when the live working person exceeds the alarm area or the sign data is abnormal. The live working safety early warning system automatically gives real-time warning on live working, improves the accuracy and real-time performance of safety distance detection, and ensures the safety of live working person.

Description

technical field [0001] The invention relates to the field of live overhaul and maintenance of power transmission and transformation projects, in particular to a safety early warning system for live work. Background technique [0002] The safe distance for live work refers to the minimum air distance that should be kept between the ground potential worker and the charged body or the equipotential worker and the grounded body in order to ensure personal safety. The basic principle for determining the minimum safety distance is to add a reasonable human activity increment on the basis of the minimum electrical clearance distance, which is the most effective measure to ensure work safety [0003] In order to reduce investment, the existing power transmission and transformation projects will only increase the margin of the air gap appropriately when designing. In the process of live work, the distance between the ground potential worker and the charged body or the equipotential ...

Claims

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Application Information

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IPC IPC(8): G01D21/02
Inventor 刘夏清邹德华杨淼王伟牛捷周年光胡弘莽黄来章健军杨琪何芷航隆晨海
Owner STATE GRID HUNAN ELECTRIC POWER CO LTD MAINTENANCE CO
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