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Method and system for judging life expectancy of surge protector

A surge protector, life expectancy technology, applied in instruments, measurement of electricity, measurement of electrical variables, etc., can solve problems such as fire, products cannot be separated normally

Active Publication Date: 2019-02-05
SHANGHAI ASP LIGHTNING PROTECTIVE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Recently, with the improvement of safety awareness and technology, SPDs often use passive indication methods such as deterioration indicator windows to indicate products that have been normally separated from the circuit. In this situation, the product may not be able to disengage normally and cause serious failures such as fire.

Method used

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  • Method and system for judging life expectancy of surge protector
  • Method and system for judging life expectancy of surge protector
  • Method and system for judging life expectancy of surge protector

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Embodiment Construction

[0027] The following will combine figure 1 and figure 2 The method for judging the life expectancy of the surge protector provided by the present invention is described in detail, which is an optional embodiment of the present invention. It can be considered that those skilled in the art can modify it within the scope of not changing the spirit and content of the present invention. and polish.

[0028] The invention provides a method for judging the life expectancy of a surge protector, comprising the following steps:

[0029] S10: Provide SPD unit;

[0030] S20: Monitor the SPD unit in real time, obtain the occurrence of its surge, and obtain the surge energy of each surge;

[0031] In an optional embodiment of the present invention, in the step S20, monitoring the SPD unit in real time specifically includes: monitoring and collecting data of at least one of voltage, current, temperature, capacitance, and impedance of the SPD unit; Collected data, calculate the surge ene...

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Abstract

The invention provides a method and a system for determining the expected life of a surge protection device. The method includes the following steps: S10: providing a SPD unit; S20: conducting real-time monitoring on the SPD unit and acquiring surge generation conditions of the SPD unit, and obtaining a surge energy of each surge; S30: accumulating and computing accountancy capability of the energy of surges that have been generated and servicing time, referencing the energy sum that can be bore by the SPD unit during the entire working time, and calculating residual service life of the SPD unit.

Description

technical field [0001] The invention relates to a surge protector, in particular to a method for judging the life expectancy of the surge protector. Background technique [0002] SPD (Surge Protective Device hereinafter referred to as SPD) is a device used to limit transient overvoltage and guide surge current. It not only has the function of lightning protection, but also has the function of suppressing switching overvoltage, so the application field of SPD is very wide. SPD is an indispensable device in lightning protection. Its function is to limit the instantaneous overvoltage that enters the power line and signal transmission line within the voltage range that the equipment or system can withstand, or to discharge the strong lightning current into the ground to protect the Protected equipment or systems from shocks. [0003] SPD is generally running 7*24 hours online. Under the action of various line surge voltages, the product will gradually deteriorate, lose its pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 潘挺张锦旸宋秋平王美光
Owner SHANGHAI ASP LIGHTNING PROTECTIVE TECH CO LTD
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