Electricity testing device and system based on RFID

The invention discloses an RFID-based electricity testing device and system, and the device is disposed on a to-be-detected line or equipment, and comprises a capacitive electric field sensor, a conditioning circuit, and an RFID electronic tag. The capacitive electric field sensor is used for acquir...

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Bibliographic Details
Main Author XIE SONGYU
Format Patent
LanguageChinese
English
Published 08.09.2023
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TESTING
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Summary:The invention discloses an RFID-based electricity testing device and system, and the device is disposed on a to-be-detected line or equipment, and comprises a capacitive electric field sensor, a conditioning circuit, and an RFID electronic tag. The capacitive electric field sensor is used for acquiring an electric field signal of a line or equipment to be detected and generating a corresponding induced voltage according to the acquired electric field signal; the conditioning circuit is used for amplifying, filtering and rectifying the induced voltage to obtain a comparison voltage and performing zero-crossing comparison on the comparison voltage so as to output a comparison result; the RFID electronic tag is used for adding tag information corresponding to the RFID electronic tag in the comparison result and controlling the impedance of an antenna interface of the RFID electronic tag, so that the radiation coefficient of an antenna is changed by controlling the change of the impedance, and then carrier signal
Bibliography:Application Number: CN202310686019