Edge calculation based high-precision gas density monitor and monitoring system

An edge computing and gas density technology, applied in the power field, can solve problems such as hidden dangers in safe operation and affecting electrical performance of equipment

Inactive Publication Date: 2019-12-13
SHANGHAI ZHUODIAN ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most high-voltage electrical equipment is SF6 gas-insulated equipment. If the gas density decreases (such as caused by leakage, etc.), it will seriously affect the electrical performance of the equipment and cause serious hidden dangers to safe operation.

Method used

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  • Edge calculation based high-precision gas density monitor and monitoring system
  • Edge calculation based high-precision gas density monitor and monitoring system
  • Edge calculation based high-precision gas density monitor and monitoring system

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Embodiment Construction

[0077] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0078] figure 1 The schematic circuit diagram of the high-precision gas density monitor based on edge computing for high-voltage electrical equipment in the embodiment of the present invention, such as figure 1 As shown, the high-precision gas density monitor based on edge computing for high-voltage electrical equipment provided by Embodiment 1 o...

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Abstract

The invention relates to power equipment, and discloses an edge calculation based high-precision gas density monitor. The monitor comprises an intelligent microprocessor, a pressure sensor, a temperature sensor, a communication module and a memory; the pressure sensor is communicated with a gas circuit of the gas density monitor; the intelligent microprocessor is connected with the temperature sensor, the pressure sensor and the communication module and is used for acquiring a pressure signal and a temperature signal according to a set sampling frequency; a corresponding density value P20 is obtained by carrying out operation on gas pressure-temperature characteristics via the intelligent microprocessor; the intelligent microprocessor comprises an edge calculation unit, the edge calculation unit carries out deep calculation on the obtained corresponding density value P20, and an accurate density value P20 is obtained. According to the invention, accurate on-line monitoring and fault diagnosis can be carried out on the gas-insulated electrical equipment, gas leakage of the gas-insulated electrical equipment can be discovered more timely, and the safety of a power grid is guaranteed.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a high-precision gas density monitor, a monitoring system and a monitoring method applied to high-voltage and medium-voltage electrical equipment. Background technique [0002] Currently, SF 6 (Sulfur hexafluoride) electrical equipment has been widely used in the power sector, industrial and mining enterprises, and promoted the rapid development of the power industry. In recent years, with the rapid economic development, the capacity of my country's power system has expanded rapidly, and SF 6 The amount of electrical equipment is increasing. SF 6 The role of gas in high-voltage electrical equipment is arc extinguishing and insulation, and SF in high-voltage electrical equipment 6 If the density of the gas decreases and the moisture content exceeds the standard, it will seriously affect the SF 6 Safe operation of high-voltage electrical equipment: 1) SF 6 The reducti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327G01N9/00
CPCG01N9/00G01R31/327
Inventor 苏丽芳
Owner SHANGHAI ZHUODIAN ELECTRIC
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