Single chip microcomputer-based lightening protection online detection integrated box and lightening protection detection method therefor

Abstract

The invention discloses a single chip microcomputer-based lightening protection online detection integrated box, which comprises a box body, a box cover, a first PCB and a second PCB, wherein the first PCB is provided with a power input terminal, a 10-mode power supply protection circuit, an RC anti-harmonic interference circuit and a single chip microcomputer power supply circuit; the second PCB is provided with a single chip microcomputer, an OLCD screen display circuit connected to the single chip microcomputer, a power supply indicating circuit, a data collecting and processing circuit, an RS485 data transceiver circuit, an external lightening protection module degradation detection circuit, a query button and a sound-light alarm circuit; and the power supply input terminal is used for being connected to a three-phase power supply of a low-voltage power system. By the single chip microcomputer-based lightening protection online detection integrated box, the lightning resistance and the anti-jamming capability of computer room equipment of the low-voltage power system are improved; the safe operation reliability of the equipment is improved; the damage rate of the computer room equipment of the low-voltage power system is reduced; the operation and maintenance cost of a building user is reduced; and good social benefits and economic benefits are generated.

Description

technical field [0001] The invention relates to the lightning protection and online detection technology of a low-voltage power system, in particular to a lightning protection online detection integrated box based on a single-chip microcomputer and a lightning protection detection method thereof. Background technique [0002] With the continuous construction of modern low-voltage power systems, the widespread application of microelectronic communication technology and network technology in low-voltage power system equipment room equipment in power systems has made the issue of equipment lightning protection more and more important. Due to the characteristics of high density, high speed, low voltage, and low power consumption, microelectronic devices are very sensitive to surge interference such as lightning induced overvoltage, power system operating overvoltage, and electromagnetic radiation. If the protective measures are not effective, major losses may be suffered anytime...

AI Technical Summary

Problems solved by technology

[0009] The present invention aims to solve the current low-voltage power system, especially the on-site surge interference protection effect of low-voltage power system computer room equipment, and provides a power supply system that can protect low-voltage power system computer room equipment, with 10 modes of power supply lightning surge overvoltage protection, online Detect the number of lightning strikes, surge value and surge occurrence time, with RS485 bus communication to upload surge data, a single-chip computer-based lightning protection online detection integrated box, used for low-voltage power system room equipment protection from lightning surge interference from the site

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