Results 11 to 20 of about 37,149 (268)
Design of current limiting starting circuit with thermal protection function
Meikuang Anquan, 2021 The circuit of mine intrinsically safe equipment has the risk of short-circuit failure, the chip surface temperature in current-limiting start circuit rises sharply, and the excessively high surface temperature of device leads to the failure of the ...
HUANG Chun, WU Yincheng, LI Yiwen
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Negative pressure automatic water discharge device based on intrinsically safe DC electric valve
Meikuang Anquan, 2021 A negative pressure automatic drainer based on intrinsically safe DC electric valve is designed. Through the design of the drive circuit, protection circuit and control program of the DC electric valve, the 24 V intrinsic safe DC power supply provided ...
WANG Zuxun
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A mine intrinsically safe audio and video recorder
Meikuang Anquan, 2023 A mine intrinsically safe audio and video recorder is designed. The device is based on 5G SOC processor, and adopts the photosensitive sensor + white light/infrared laser fill light + intrinsically safe circuit scheme.
LI Wenfeng, WANG Qian, LIU Bin, LIU Kai, LI Qiang
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Multi-Sensor System For Level Measurements With Optical Fibres [PDF]
, 2002 A system for measuring liquid level in multiple tanks using optical fibre technology has been developed. The oil field service industry can benefit from this intrinsically safe technology.
Garcinuño, J. +3 more
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Optimization Design of Intrinsic Safety Pilot Circuit for Motor Remote Start and Stop
Meikuang Anquan, 2020 This paper introduces the types of remote starting and stopping pilot circuits of existing motors, the existence of mis-starting, the inability to identify all line faults and the unstable operation of power supply voltage reduction, and proposes an ...
ZHANG Yuxiang, SONG Jiancheng, TIAN Muqin
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Safety analysis of half wave oscillator structure in underground 5G radiation field
Gong-kuang zidonghua, 2023 GB 3836.1-2021 Explosive atmospheres - Part 1: Equipment-General requirements stipulates that the RF threshold power of RF equipment in explosive environments shall not exceed 6 W.
TIAN Zijian +4 more
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Multi-sensor system using plastic optical fibers for intrinsically safe level measurements [PDF]
, 2004 A system for measuring liquid level in multiple tanks using optical fibe technology has been developed. Oil fiel service industry or any sector requiring liquid level measurements in flammabl atmospheres can be benefite from this intrinsically safe ...
Gonzalo, Ana B. +3 more
core +3 more sources
Transport mechanism through metal-cobaltite interfaces [PDF]
, 2016 The resistive switching (RS) properties as a function of temperature were studied for Ag/La$_{1-x}$Sr$_x$CoO$_3$ (LSCO) interfaces. The LSCO is a fully-relaxed 100 nm film grown by metal organic deposition on a LaAlO$_3$ substrate.
Acha, C. +4 more
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Sensitivity analysis of IEC spark test apparatus
Meikuang Anquan, 2021 The sensitivity of spark test apparatus is affected by environmental factors, tungsten wire electrode and cadmium disk electrode. In this paper, the intersection / separation trajectories of tungsten wire electrode and cadmium disk electrode in a test ...
ZHANG Yong
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Future of smart cardiovascular implants [PDF]
, 2018 Cardiovascular disease remains the leading cause of death in Western society. Recent technological advances have opened the opportunity of developing new and innovative smart stent devices that have advanced electrical properties that can improve ...
Bussooa, Anubhav +2 more
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