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Train inside static magnetic field test and running state analysis apparatus and analysis method

A technology for operating status and analyzing devices, applied to measuring devices, electromagnetic field characteristics, measuring electricity, etc., can solve problems such as the inability to objectively characterize interference signals, and achieve the effects of easy location of disturbance sources, fast test speed, and elimination of test errors

Active Publication Date: 2016-06-29
CRRC NANJING PUZHEN CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

On the other hand, since the existing antennas for radiated emission measurement only cover the frequency band above 30MHz, simply changing the existing spectrum analyzer to an oscilloscope will cause the received waveform to be unable to objectively represent the real interference signal

Method used

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  • Train inside static magnetic field test and running state analysis apparatus and analysis method
  • Train inside static magnetic field test and running state analysis apparatus and analysis method
  • Train inside static magnetic field test and running state analysis apparatus and analysis method

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Embodiment Construction

[0026] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0027] figure 1 As shown, the present invention provides a train internal static magnetic field test and running state analysis device, the train internal static magnetic field test and running state analysis device includes a monopole antenna, a voltage dividing capacitor, a transmitting system, a receiver and an oscilloscope. After the monopole antenna divides the received signal through the voltage dividing capacitor, it is input into the transmission system, and the transmission system is transmitted to the receiver through the optical fiber, and the receiver transmits the signal to the oscilloscope through the cable for display;

[0028] An analysis meth...

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Abstract

The invention relates to a train inside static magnetic field test and running state analysis apparatus and analysis method. The train inside static magnetic field test and running state analysis apparatus comprises a monopole antenna, a voltage-dividing capacitor, an emission system, a receiver and an oscilloscope. The monopole antenna, after performing voltage division on received signals through the voltage-dividing capacitor, inputting the signals into the emission system, the emission system transmits the signals to the receiver through fibers, and the receiver transmits the signals to the oscilloscope for display through cables. According to the invention, through manufacturing the monopole antenna, a test system is erected, the monopole antenna is calibrated, the electromagnetic field intensity inside a train is tested, data is obtained, compensation processing is performed, waveforms are reconstructed, and waveform distortion is reduced.

Description

technical field [0001] The invention relates to a static magnetic field test and running state analysis device and analysis method inside a train, belonging to the technical field of test and data processing. Background technique [0002] At present, the frequency-domain testing technology used in EMC tests has certain difficulties in capturing transient interference signals, which may cause occasional transient interferences to be missed. Corresponding to it is the time-domain test technology, which can obtain the signal characteristics of transient interference in one scan, with high efficiency and low cost, and the wider the frequency band, the more obvious it is. On the other hand, since the existing antennas for radiated emission measurement only cover the frequency band above 30MHz, simply changing the existing spectrum analyzer to an oscilloscope will cause the received waveform to be unable to objectively represent the real interference signal. Contents of the inve...

Claims

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Application Information

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IPC IPC(8): G01R29/08G01R31/00
CPCG01R29/0871G01R31/001
Inventor 马庆文刘晓晶姜超陈思李杰刘阳张美月冯丽娜刘毅陈光湖
Owner CRRC NANJING PUZHEN CO LTD
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