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High-voltage transient electromagnetic pulse detector

A transient electromagnetic and detector technology, applied in the direction of pulse characteristics measurement, electromagnetic field characteristics, etc., can solve problems such as burnout, interference, and test waveform distortion, and achieve strong anti-interference, lower precision requirements, and low static power consumption. Effect

Active Publication Date: 2012-07-04
陕西海泰电子有限责任公司
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Problems solved by technology

[0006] The purpose of the present invention is to provide a high-voltage transient electromagnetic pulse detector that can satisfy the function under strong electric field, so as to solve the problem that the existing electric field tester is easy to be burned out by strong electric field when working in strong electric field, and is disturbed by strong electric field. Waveform distortion is relatively serious technical problem

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Embodiment Construction

[0035] The structural schematic diagram of the high-voltage transient electromagnetic pulse detector of the present invention is shown in figure 1 , figure 2 , including a probe, a receiving unit, and an optical fiber connecting the probe and the receiving unit. The function of the probe is to convert the high-voltage transient electromagnetic pulse into a voltage signal, and then send it to the optical actuator through the impedance transformation circuit and the amplification circuit, and then the optical actuator converts the voltage signal into an optical signal for output. After the signal output by the probe is converted into an optical signal, it is transmitted through the optical fiber. The function of the receiving unit is to receive the signal transmitted by the optical fiber, amplify the signal through the operational amplifier, and output it to the oscilloscope for display. The probe includes an antenna, a cylindrical sealed shielding case and a signal processin...

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Abstract

The invention relates to a high-voltage transient electromagnetic pulse detector which comprises a probe (1), a receiving unit (3) and a connecting part, wherein the connecting part is used for connecting the probe (1) and the receiving unit (3) and is an optical fiber (6), and the probe (1) comprises an antenna (2), a cylindrical sealed shielding shell (5) and a signal processing unit (4) which is arranged in the shielding shell (5). The invention solves the technical problems that a traditional electric field tester is easily burnt by a strong electric field when working under a strong electric field, and the tested waveform distortion is more serious due to the interference of the strong electric field. The high-voltage transient electromagnetic pulse detector has the advantages that the anti-interference property is strong, circuit distortion can be prevented, and a signal processing circuit can also be prevented from being burnt by the strong electric field and the like.

Description

technical field [0001] The invention relates to an electromagnetic pulse detector, in particular to a detector that can be applied to a broadband high-frequency strong electric field. Background technique [0002] With the rapid development of electronic technology, based on safety considerations, it is very important to evaluate the ability of electronic equipment to withstand broadband high-frequency strong electromagnetic pulse interference. This firstly requires the measurement of the characteristics of broadband high-frequency strong electromagnetic pulses, so an electric field testing instrument that can detect signal with a steep rising edge, wide frequency range, high peak field strength, and easy to use is required. [0003] Existing electric field test instruments are generally used to test weak electric fields. When they are forced to be used in strong electric field tests, they will often be burned by the strong electric field, resulting in failure of the instrum...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/02G01R29/08
Inventor 郭恩全刘世木王浩
Owner 陕西海泰电子有限责任公司
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