An electronic equivalent test device for a spacecraft pyrotechnic product circuit

Abstract

The invention discloses an electronic equivalent testing device for a spacecraft initiating explosive device line, and the device achieves the detection of various parameters in the initiating explosive device line through the method design of an integrated circuit, selects an explosion initiation loop in a mode of solid-state power controller (SSPC) contact switching, and simulates the normal state, short-circuit state, circuit break state and other abnormal states of an explosion initiation line of an initiating explosive device. The invention solves problems that the initiating explosive device cannot be reused, the danger coefficient is large, the experiment cost is high and the explosion initiation current cannot be measured because a real initiating explosive device has to be used in the conventional spacecraft initiating explosive device line testing.

Description

technical field [0001] The invention relates to an electronic equivalent test device for a circuit of a spacecraft pyrotechnic product, belonging to the technical field of detonation testing of a spacecraft pyrotechnic product. Background technique [0002] Before the launch of the spacecraft, it is necessary to test the detonation circuit of the pyrotechnic product on the spacecraft. The traditional pyrotechnic detonation test is completed with the detonation of real pyrotechnic products. The testers observe the detonation results with naked eyes, and draw the conclusion whether it can be detonated normally according to the detonation results. That is, there is only a qualitative judgment of yes or no. Quantitative indicators such as the value and the change in the resistance value of the bridge wire in the line cannot be measured. [0003] With the continuous development of electronic online testing technology, pyrotechnic device equivalents have gradually been applied in...

AI Technical Summary

Problems solved by technology

[0008] The problem solved by the technology of the present invention is: to overcome the shortcomings of the traditional distributed testing technology, provide an electronic equivalent test device for the pyrotechnics circuit of the spacecraft, solve the problems of non-reusable, poor test economy, etc., and solve the problem of real pyrotechnics The problem of high risk in the detonation test of pyrotechnic products solves the problem that the detonation current and other parameters are not easy to collect during the detonation test of real pyrotechnic products.

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