1. Explosion-proof principle: by normal exectrical components into a main chamber filled with protective gas,so that the main chamber air pressure is higher than the outside air pressure,in order to reach the light source and an effective separation of explosive gas mixture in order to achieve the purpose of explosion-proof;
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This paper discussed the design principle of detection circuits for explosion-proof vortex flowmeter and analyzed some specific circuits in detail.
本文论述了防爆型涡街流量计检测电路的设计原则，并对具体电路作了较详尽的剖析。
The structure, principle and characteristics of QS Type hydrogen decropitation (HD) pnlverizer is introduced, with focus on design methods of explosion-proof capability.
介绍了QS型氢爆碎装置的结构原理及性能，重点介绍了防爆能力的设计方法。
It gives out the detection principle, data acquisition and signal processing of the system. It also describes the system's features as explosion proof and etc.
给出系统检测原理、数据采集及信号处理，并说明了本系统具有防爆等特点。
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