An experimental device and experimental method for detecting circuit boards under the action of multiple fields
A technology of experimental device and experimental method, applied in the direction of measurement device, measurement of electricity, measurement of electric variables, etc., can solve the problems of complicated procedures, expensive construction costs, etc., and achieve the effect of temperature stability
Active Publication Date: 2020-07-31
CRRC QINGDAO SIFANG CO LTD
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Problems solved by technology
[0002] At present, the detection of electromagnetic interference of electronic devices is mainly done through authoritative experimental centers, and the construction cost is relatively expensive. At the same time, the program is too complicated for small samples such as local control devices. At the same time, it is necessary to consider the actual work of electrical components. ambient temperature
There is no platform that can effectively evaluate the response product quality under actual working conditions, so there is an urgent need for an experimental device and experimental method that can accurately and quickly test and simulate the performance of circuit boards under the multi-field action of electromagnetic interference and ambient temperature
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[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] The present invention provides an experimental device for detecting the quality of a circuit board under the action of multiple fields, including a test box 36, and a radio frequency system 33 connected to the side wall of the test box 36 box body to emit electromagnetic waves in the test box, adjustable and A temperature regulation system 35 for controlling the temperature inside the test box, a bracket for placing the circuit board to be tested, a power probe 25 for measuring the intensity of electromagnetic waves near the circuit board to be tested, and a circuit board power supply and output display system 34 .
[0033] Such as figure 1 and figure 2 As shown, the test box 36 is a sealed, double-layer shielding box, the thickness of the shielding layer 37 is 3 mm, and the inner layer is a wave-absorbing material 19, which ...
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The invention provides a testing device for quality of a circuit board with function of multiple fields. The testing device comprises a testing box, an RF system which is connected with the side wallof the housing of the testing box and transmits an electromagnetic wave into the testing box, a temperature control system which can adjust and control the inner temperature of the testing box, a bracket for placing a to-be-tested circuit board, a power probe which measures strength of the electromagnetic wave around the to-be-tested circuit board, and a circuit board power supplying and output displaying system. The invention further provides a testing method for the quality of the circuit board with function of multiple fields, wherein the testing device is utilized in the testing method. The testing device and the testing method for testing the quality of the circuit board with function of multiple fields can realize quality testing on the circuit board on condition of different temperatures and different RF interferences.
Description
technical field [0001] The invention relates to a test device for circuit boards, in particular to an experimental device capable of detecting the quality of circuit boards under the action of multiple fields and a corresponding experimental method Background technique [0002] At present, the detection of electromagnetic interference of electronic devices is mainly done through authoritative experimental centers, and the construction cost is relatively expensive. At the same time, the program is too complicated for small samples such as local control devices. At the same time, it is necessary to consider the actual work of electrical components. ambient temperature. There is no platform that can effectively evaluate the response product quality under actual working conditions, so there is an urgent need for an experimental device and experimental method that can accurately and quickly test and simulate the performance of circuit boards under the multi-field effects of elect...
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IPC IPC(8): G01R31/28
CPCG01R31/2817
Inventor 岳刚张宝朝刘侠邓艳俊迟建波高瑞全
Owner CRRC QINGDAO SIFANG CO LTD