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A Method and System for Predicting Hazardous Radiation Fields of Electronic Equipment Based on Measured Data

A technology of electronic equipment and measured data, which is applied in the directions of antenna radiation patterns, electromagnetic field characteristics, and measurement of electrical variables, can solve the problems that the hazard field test method is not clearly stipulated, is difficult to implement, and takes a lot of time and effort, so as to simplify the test complexity, Good effect of promoting application value

Inactive Publication Date: 2018-09-28
STATE KEY LAB OF COMPLEX ELECTROMAGNETIC ENVIRONMENTAL EFFECTS ON ELECTRONICS & INFORMATION SYST
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  • Abstract
  • Description
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Problems solved by technology

The above-mentioned standards have requirements for the external electromagnetic radio frequency environment, but the test method for the specific hazard field is not clearly stipulated, and there is no way to predict the distribution of the hazard field caused by electronic information equipment in the space where it is in use.
If the 360° test is carried out around the device at different test distances and different frequencies, it will be laborious and difficult to achieve in reality

Method used

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  • A Method and System for Predicting Hazardous Radiation Fields of Electronic Equipment Based on Measured Data
  • A Method and System for Predicting Hazardous Radiation Fields of Electronic Equipment Based on Measured Data
  • A Method and System for Predicting Hazardous Radiation Fields of Electronic Equipment Based on Measured Data

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Embodiment Construction

[0032] The invention will be further described below in conjunction with the accompanying drawings.

[0033] Such as figure 1 , 2 Shown: Vehicle-mounted radiation field test system, including: shelter vehicle, standard test antenna, attenuator groups of different working frequency bands, test instruments, high-performance simulation computer and data processing and display subsystem.

[0034] The vehicle-mounted system mainly meets the needs of the field test movement of the whole system. The two-dimensional turntable is mainly used to scan the standard antenna in two-dimensional space. The shelter is mainly used to protect testers and instruments from high-power electromagnetic radiation. Here, the shielding degree of the shelter is required to be better than 100 decibels. The absorbing material is mainly to reduce the influence of the car surface reflection on the test signal.

[0035] The attenuator group mainly plays the role of attenuating the signal received by the s...

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Abstract

The invention belongs to the technical field of system-level electromagnetic compatibility test and discloses an electronic equipment harmful radiation field prediction method and system based on actual measurement data. The system adopted by the method comprises a square cabin vehicle. One wave-absorbing material is vertically arranged right to the front surface of a vehicle head at the front portion of the square cabin vehicle, and one wave-absorbing material is slantly arranged on the upper portion of the vehicle head; and a shielding square cabin at the back portion of the square cabin vehicle is internally provided with an attenuator group having different frequency bands and a tester, wherein the attenuator group having different frequency bands is connected with a test antenna arranged on a two-dimensional turntable outside the shielding square cabin through a preset signal cable. The method and system solve the complex problem of harmful field prediction of electronic equipment in normal use, can accurately predict a harmful radiation field of the equipment at any place in the space, enable the test complexity to be simplified, and have very good popularization and application value.

Description

technical field [0001] The invention belongs to the technical field of system-level electromagnetic compatibility testing, and in particular relates to a method and system for predicting harmful radiation fields of electronic equipment based on measured data. By testing the electromagnetic radiation of electronic equipment in a certain direction, combined with the field strength pattern of the equipment transmitting antenna, Predict the hazard field intensity distribution of the equipment to the space where it is located. Background technique [0002] With the continuous advancement of science and technology, various types of frequency-using equipment are increasing, the number of various electromagnetic radiation sources is increasing exponentially, and the electromagnetic environment is becoming more and more complex. With the continuous development of electronic information systems towards systematization, integration, networking and integration, the electromagnetic envir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/08G01R29/10
CPCG01R29/0857G01R29/10
Inventor 郝晓军孟晓鑫陈翔韩慧汪亚
Owner STATE KEY LAB OF COMPLEX ELECTROMAGNETIC ENVIRONMENTAL EFFECTS ON ELECTRONICS & INFORMATION SYST
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