Online testing system for onboard electrical equipment under mechanical environment

Abstract

The invention relates to a novel online testing system for onboard electrical equipment under a mechanical environment, in particular to an online testing method capable of testing potential reversibility failure of the onboard electrical equipment under the mechanical environment. The online testing system comprises a main control computer, an optical fiber communication module, a switching network module, a data collecting module, a signal conditioning module, a test interface module and a test power supply module. By the online testing system, reversibility failures of to-be-tested objects are detected, and new testing requirements of the onboard electrical equipment under the mechanical environment are met; multiple types of to-be-tested on-board electrical equipment can be covered, and high universality and standardization level are realized; the whole test process is automatic, the amount of work is reduced remarkably, and test efficiency is greatly improved. The novel online testing system is high in stability, universality and expansibility, multifunctional, convenient and quick to operate, high in test accuracy, stable and reliable in test result, and high in cost performance.

Description

technical field [0001] The invention relates to a novel on-line testing system for airborne electrical equipment in a mechanical environment, specifically, an on-line testing method capable of detecting potential reversible failures of an airborne electrical equipment in a mechanical environment. Background technique [0002] Airborne electrical equipment is an executive component for power supply and line conversion of aircraft electronics, electrical instrumentation systems, weapon fire control systems, automation systems and mechanical systems. With the improvement of the functions of the aircraft power system, the harshness of its mechanical environment has increased, and the adaptability assessment of the mechanical environment of electrical products has become more stringent. It is clearly stated in the "Technical Requirements for Routine Tests of Airborne Electrical Appliance Boxes" that in the mechanical environment function test, the electrical finished product must...

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Problems solved by technology

[0003] At present, most of the test methods in the mechanical environment of airborne electrical equipment in China are static tests, which only belong to the category of functional tests, and cannot detect the reversible failure of the tested object in the whole process of testing, that is, the components of the tested equipment may fail during the test. self-recovering transient faults

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