A Discharge Observation Synchronous Trigger System and Method Based on UHF Signal
A technology of synchronous triggering and synchronous triggering pulses, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of inaccurate synchronous trigger signals and no synchronous trigger signals, etc., and achieve strong anti-interference ability, high sensitivity, and improved timeliness effect
Active Publication Date: 2022-03-18
SHANGHAI JIAOTONG UNIV
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[0006] One of the purposes of the present invention is to provide a discharge observation synchronous trigger system based on UHF signals, which can realize high-sensitivity and reliable synchronous triggering under the discharge process of high-voltage AC / DC power supply, which can be widely used in discharge observation experiments and It can solve the problem of no synchronous trigger signal or inaccurate synchronous trigger signal in discharge observation experiments and substation engineering application sites where synchronous trigger signals are required, such as on-site sound-electric joint detection in substations. It has good promotion prospects and application value
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[0041] In the following, the UHF signal-based discharge observation synchronous triggering system and method of the present invention will be further explained and described in conjunction with the accompanying drawings and specific embodiments. However, the explanation and description do not constitute inappropriate technical solutions of the present invention. limited.
[0042] figure 1It is a schematic diagram of device connection in an implementation mode of the UHF signal-based discharge observation synchronous trigger system according to the present invention.
[0043] Such as figure 1 As shown, the UHF signal-based discharge observation synchronous trigger system of the present invention may include: a discharge device, a UHF sensor, a synchronous trigger pulse generation module, an oscilloscope, and an acquisition device. Wherein, the discharge device can generate discharge and send out a discharge signal, and the UHF sensor can detect the UHF signal generated by the...
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The invention discloses a discharge observation synchronous trigger system based on ultra-high frequency signals, comprising: discharge equipment, which is set to generate discharge and send out discharge signals; a UHF sensor, which detects the UHF signals generated by discharge; The trigger pulse generation module is connected with the UHF sensor to convert the UHF signal generated by the UHF sensor into a TTL pulse trigger signal, and only one TTL pulse trigger signal is generated in one discharge process; the oscilloscope, which is connected with the UHF The sensor and the synchronous trigger pulse generation module are respectively connected to display the UHF signal and the TTL pulse trigger signal; the acquisition device is connected with the synchronous trigger pulse generation module, and the acquisition device receives the TTL pulse trigger signal output by the synchronous trigger pulse generation module, and The discharge signal of the discharge device is collected synchronously corresponding to the TTL pulse trigger signal. Correspondingly, the invention also discloses a method for synchronous triggering of discharge observation based on UHF signals.
Description
technical field [0001] The invention relates to a synchronous trigger system and method, in particular to a discharge observation synchronous trigger system and method. Background technique [0002] As a basic research problem in the field of high voltage, gas discharge has always attracted the attention of researchers. At present, experiment is still the most intuitive and accurate way to study the discharge process. Obtaining key characteristic parameters describing the discharge process through various experimental observation methods and measurement techniques is helpful to clarify the mechanism of discharge development and promote the development of gas discharge theory. [0003] Gas discharge involves the complex movement of charged particles, accompanied by macroscopic physical phenomena such as heat, light, and electricity. Establishing a synchronous observation system for multiple physical quantities such as electricity-optic and accurately collecting various phys...
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IPC IPC(8): G01R31/12
CPCG01R31/1281
Inventor宋辉孟祥麟舒博罗林根钱勇盛戈皞田嘉鹏江秀臣
OwnerSHANGHAI JIAOTONG UNIV