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Lightning arrester online monitoring device and method

A monitoring device and lightning arrester technology, applied in the direction of measuring devices, instruments, measuring electricity, etc., can solve the problems of poor reliability of external power supply and communication cables, and achieve the effect of saving accuracy and precision, reducing power consumption, and improving the air wake-up mode.

Inactive Publication Date: 2019-07-19
XIAN SHENDIAN ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a lightning arrester online monitoring device and method to solve the problems of poor reliability of the lightning arrester online monitoring device and the need for external power supply and communication cables in the prior art

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  • Lightning arrester online monitoring device and method
  • Lightning arrester online monitoring device and method
  • Lightning arrester online monitoring device and method

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Embodiment Construction

[0036] In order to make the purpose, advantages and features of the present invention clearer, the lightning arrester online monitoring device and method proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that: the drawings are all in a very simplified form and use inaccurate proportions, which are only used to facilitate and clearly illustrate the purpose of the embodiments of the present invention; secondly, the structures shown in the drawings are often actual structures part; again, each drawing needs to display different emphasis points, and sometimes adopts different scales.

[0037] see figure 1 , The present invention provides an online monitoring device for lightning arresters, which includes: a voltage limiting sampling unit 0, an energy storage...

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Abstract

The invention discloses a lightning arrester online monitoring device and method. The device comprises a voltage-limiting sampling unit, an energy storage unit, a leakage current sampling, an over-voltage monitoring unit, a core processing module and a wireless transceiving module; the energy storage unit can collect and store the leakage current input by the voltage-limiting sampling unit when the lightning arrester is in normal work, thereby supplying power for the leakage current sampling unit, the over-voltage monitoring unit, the wireless transceiving module and the core processing modulewithout using the external power supply and laying a communication cable; the cost is saved under the condition of guaranteeing the monitoring accuracy and precision, and the power consumption is reduced; the communication function can be accomplished without being limited by the external condition; secondly, an aerial wakeup mode is improved by adding a query period field of a sender in a lead code and the inserted address information and channel information, and the power consumption of the lightning arrester monitoring device is further reduced.

Description

technical field [0001] The invention relates to the technical field of monitoring of electric power equipment, in particular to an online monitoring device and method for a lightning arrester. Background technique [0002] Surge arresters are used to protect electrical equipment from high transient overvoltage hazards during lightning strikes, and limit the freewheeling time, often limiting the freewheeling amplitude of an electrical appliance. Surge arresters are also called overvoltage protectors and overvoltage limiters. [0003] Arrester on-line monitoring device, including arrester on-line monitor and discharge counter, also known as arrester monitoring sensor, is an instrument used in conjunction with zinc oxide arrester in high-voltage AC power system. The instrument is connected in series in the grounding circuit of the arrester. Under the normal system operating voltage, the arrester presents a high resistance state, and only microampere current passes through it. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R19/25G01R19/17G08C17/02
CPCG01R19/17G01R19/25G01R31/00G08C17/02
Inventor 叶德平段莹涛
Owner XIAN SHENDIAN ELECTRONICS
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