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Fast edge negative high-voltage pulse signal detection method and system

A pulse signal and detection system technology, applied in the direction of pulse characteristic measurement, etc., can solve problems such as unsuitable for high-voltage pulse signal detection

Pending Publication Date: 2022-01-28
中国兵器装备集团自动化研究所有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the research and development process of related products, it is essential to study the detection of high-voltage pulse signals, but the existing high-voltage pulse signal detection devices are only suitable for the detection of positive high-voltage pulse signals, but not for the detection of negative high-voltage pulse signals.

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  • Fast edge negative high-voltage pulse signal detection method and system
  • Fast edge negative high-voltage pulse signal detection method and system

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Effect test

Embodiment 1

[0025] Please refer to figure 1 In an embodiment of the present invention, a fast-edge negative high-voltage pulse signal detection system is provided, including:

[0026] Negative high-voltage pulse signal generator 1: used to output the negative high-voltage pulse signal; preprocessing circuit 2: preprocess the negative high-voltage pulse signal to form a low-voltage pulse signal; reprocessing module 3: process the low-voltage pulse signal After reprocessing to obtain a pulse detection signal that meets the requirements; the preprocessing circuit 2 is powered by an independent power supply; Setting unit 24; the output end of the negative high voltage pulse signal generating device 1 is connected to the attenuation unit 21.

[0027] Exemplarily, in this embodiment, first, the negative high voltage pulse signal is provided by the negative high voltage pulse signal generating device 1, which is the original signal, the voltage of the original signal is too high, and usually co...

Embodiment 2

[0035] Please refer to figure 1 , in some embodiments of the present invention, further includes a power filtering unit 4 connected to the independent power supply VCC.

[0036] Based on the above-mentioned embodiment 1, in this embodiment, a power filter unit 4 is further connected to the output end of the power supply VCC to filter out the interference in the power signal. The power filter unit 4 includes a resistor R5 and a grounding capacitor C2, the resistor R5 is connected between the independent power supply VCC and the DC blocking capacitor C1, the grounding capacitor C2 is connected to the resistor R5 and the independent power supply VCC Interconnect end connections.

Embodiment 3

[0038] Please refer to figure 2 The embodiment of the present invention provides a fast-edge negative high-voltage pulse signal detection method, including the following steps: S101. Receive a negative high-voltage pulse signal; S102. Perform preprocessing on the negative high-voltage pulse signal to form a low-voltage pulse signal. The processing includes attenuation, DC blocking, biasing and filtering; S103, after reprocessing the low-voltage pulse signal to obtain a pulse detection signal that meets the requirements, the reprocessing includes eliminating pulse edge jitter and filtering out non-compliant pulse width requirements pulse signal.

[0039] The method provided in this embodiment can be implemented based on the system provided in Embodiment 1 above, see Embodiment 1 for details, and details are not repeated here.

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Abstract

The invention relates to the technical field of high-voltage pulse signal detection, in particular to a fast edge negative high-voltage pulse signal detection method and system. The fast edge negative high-voltage pulse signal detection system comprises a negative high-voltage pulse signal generation device, a preprocessing circuit, a reprocessing module and a preprocessing circuit which are connected in sequence, wherein the negative high-voltage pulse signal generation is used for outputting a negative high-voltage pulse signal, the preprocessing circuit is used for preprocessing the negative high-voltage pulse signal to form a low-voltage pulse signal, the reprocessing module is used for reprocessing the low-voltage pulse signal to obtain a pulse detection signal meeting the requirement, the preprocessing circuit is powered by an independent power supply, and comprises an attenuation unit, an anti-reverse connection unit, a blocking unit and a bias unit which are connected in sequence, and the output end of the negative high-voltage pulse signal generation device is connected with the attenuation unit. According to the invention, the system provided by the invention can be effectively applied to detection application of negative high-voltage pulse signals and is designed; and the preprocessing circuit can ensure nanosecond edge characteristic information of the fast edge negative high-voltage pulse signal, and ensures accurate recognition of a subsequent circuit on the negative pulse signal.

Description

technical field [0001] The invention relates to the technical field of high-voltage pulse signal detection, in particular to a fast-edge negative high-voltage pulse signal detection method and system. Background technique [0002] In the fields of laser technology research, high-speed photography, and fast electronics measurement, fast-edge high-voltage pulse signals are widely used. In the research and development process of related products, research on the detection of high-voltage pulse signals is essential, but the existing high-voltage pulse signal detection devices are only suitable for the detection of positive high-voltage pulse signals, but not for the detection of negative high-voltage pulse signals. Contents of the invention [0003] In order to overcome the above-mentioned problems or partially solve the above-mentioned problems, the purpose of the present invention is to provide a fast-edge negative high-voltage pulse signal detection method and system, which...

Claims

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Application Information

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IPC IPC(8): G01R29/02
CPCG01R29/02
Inventor 李坤贺陈刚邵雨新张自圃
Owner 中国兵器装备集团自动化研究所有限公司
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