Anti-magnetic-field-interference recorder protection device and installation method thereof

Abstract

The invention discloses an anti-magnetic-field-interference recorder protection device and an installation method thereof, relates to the related field of recorders, and aims to solve the problem thatthe anti-magnetic-field-interference capability of the whole recorder is difficult to greatly improve in the prior art. A storage groove is formed in the device shell, an EMI filter is arranged in the storage groove, the EMI filter is fixedly connected with the device shell, an interlayer cavity is formed in one side of the EMI filter, a damping piece is arranged in the interlayer cavity, the damping piece surrounds the inner wall of the interlayer cavity, and the damping piece is of an elastic structure. a sound absorption piece is arranged on the outer side of the damping piece and fixedlyconnected with the damping piece, a grounding pipe is arranged on the other side of the EMI filter and connected with the device shell through argon arc welding, and a fixing outer frame is arranged at the front end of the device shell and is in a rectangular ring shape,.

Description

technical field [0001] The invention relates to the related field of oscilloscopes, in particular to an oscilloscope protection device against magnetic field interference and an installation method thereof. Background technique [0002] Oscilloscope is also called waveform recorder, multi-channel transient recorder, portable waveform recorder, wave recorder, digital wave recorder, power wave recorder, portable wave recorder, wave recorder has been widely used in power system , is to record generators, transformers, power transmission lines, power stations, power plant transient, steady-state analog and event information, monitor power system operation, save test data, record and capture fault information, for the study of power grid operation mode and evaluation An important instrument that provides the basis for the performance of protective devices. [0003] When the existing oscilloscope is used, it is often affected by the electromagnetic field generated by the surround...

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Problems solved by technology

[0004] The purpose of the present invention is to provide an anti-magnetic field interference wave recorder protection device and its installation method to solve the problem that it is difficult to greatly improve the anti-magnetic field interference ability of the entire wave recorder proposed in the above-mentioned background technology

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