A kind of jamproof Portable partial discharge detector

A kind of jamproof Portable partial discharge detector

  • CN 204,389,630 U
  • Filed: 06/21/2013
  • Issued: 06/10/2015
  • Est. Priority Date: 06/21/2013
  • Status: Active Grant
First Claim
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1. a jamproof Portable partial discharge detector, comprise signal processing unit, display unit, insulated switch and CPU, it is characterized in that, also comprise capacitive coupled sensors, uhf sensor, signal processing unit, noise recognizing unit, data acquisition unit, storage unit, described capacitive coupled sensors is all connected with signal amplification circuit with uhf sensor, and signal amplification circuit is connected with CPU by signal processing unit, noise recognizing unit, data acquisition unit successively, processor is connected with data display unit, storage unit respectively, described signal processing unit comprises signal filtering subelement, raising linearly degree unit, Modulation recognition subelement and A/D and changes subelement, data display unit is used for real-time display measurement data, comprises peak values in real time display, average data display in real time, the display of real-time phase data, storage unit is used for storage failure data, data display unit shows with the form of numeral or X-Y scheme or three-dimensional plot, data display unit comprises waveform oscilloscope and multifunctional digital table, described capacitive coupled sensors gathers electromagnetic wave transient earth voltage and transfers electric signal to, uhf sensor gathers ultrasound wave and transfers electric signal to, the electric signal collected amplifies by signal amplification circuit, signal processing unit processes electric signal and raising linearly degree unit in signal processing unit is offset distortion, through noise recognizing unit, identifying processing is carried out to noise interferences again, electric signal after process is sent to processor CPU after collecting unit collection, processor CPU controls display unit display, and the fault data gathered is stored in the memory unit.

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