Singlechip-based alarm system for preventing rear cabinet door of electrified interval from being opened by mistake

The utility model discloses a single-chip microcomputer-based alarm system for preventing mistaken opening of a charged interval rear cabinet door. The single-chip microcomputer-based alarm system comprises a microcontroller, a travel switch, a photoelectric coupler, a manual reset module, a voice p...

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Bibliographic Details
Main Authors GUO JING, JI XIAOWEI, LI ANNI, LI SHIYAO, JI WEI
Format Patent
LanguageChinese
English
Published 15.11.2019
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:The utility model discloses a single-chip microcomputer-based alarm system for preventing mistaken opening of a charged interval rear cabinet door. The single-chip microcomputer-based alarm system comprises a microcontroller, a travel switch, a photoelectric coupler, a manual reset module, a voice prompt module and an optical signal prompt module. The input end of the microcontroller is respectively connected with the travel switch, the photoelectric coupler and the manual reset module, and the output end of the microcontroller is respectively connected with the voice prompt module and the optical signal prompt module; the alarm system for preventing mistaken opening of the electrified interval rear cabinet door based on the single-chip microcomputer acquires state information of a travelswitch of the rear cabinet door of the switch cabinet, and judges whether a line is electrified or not by checking the working condition of an indicating lamp of a line-side electrified display through the photoelectric coupl
Bibliography:Application Number: CN201920564794U