A testing device for intrinsically safe multi-circuit protection power supply
Gong-kuang zidonghua, 2018 In order to solve problems of inconvenient operation, complicated process and low accuracy of existing test methods of intrinsically safe power supply, a testing device for intrinsically safe multi- circuit protection power supply was designed.
REN Gaojian +3 more
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Design of mine-used intrinsically safe remote relay power supply
Gong-kuang zidonghua, 2016 In order to satisfy long-distance transmission requirements of sensor used on underground super long working face, a mine-used intrinsically safe remote relay power supply was designed.
LIN yi
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Short circuit transient power analysis of hybrid intrinsically safe circuit
Gong-kuang zidonghua, 2023 Currently, research on the intrinsically safe features of intrinsically safe circuits mostly relies on the IEC spark experimental device as the experimental platform.
NIE Honglin +6 more
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Design of high-power intrinsically safe power supply based on fault current change rate
Gong-kuang zidonghua, 2021 In order to solve the problems of low output power, poor protection effect, and slow dynamic response speed of existing intrinsically safe power supply, a high-power intrinsically safe power supply based on fault current change rate is designed.
KANG Qian +3 more
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Mine intrinsic safety power supply based on adjustable capacity and protection time
Meikuang Anquan, 2021 In view of the contradiction between the capacity and impact resistance of mine intrinsically safe power supply, an intrinsically safe power supply with adjustable capacity and protection time, self-recovery and slow start function is designed.
ZOU Dedong, LIU Peng
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Long Distance Intrinsically Safe Power Supply Technology in Coal Mines
Meikuang Anquan, 2020 Based on the problem of weak remote power supply capacity of intrinsically safe power supply in coal mines, according to the centralized power supply mode of point-to-point power supply in the field, this paper analyzes the fault phenomenon caused by ...
LIU Yahui
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Design of a high-performance mine-used intrinsically safe power supply
Gong-kuang zidonghua, 2019 For problems of poor electromagnetic immunity and weak load capacity of current intrinsically safe power supply, a high-performance mine-used intrinsically safe power supply was designed.
HUANG Hesong +3 more
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Influence factors analysis of discharge characteristics of compound intrinsically-safe circuit
Gong-kuang zidonghua, 2020 Existing researches on discharge characteristics of compound intrinsically-safe circuits may be lack of mathematical analysis, or consider influence factors incompletely.
SHI Yaping
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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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Card Reading Substation of Mine Flameproof and Intrinsic Safety Based on STM32
Meikuang Anquan, 2020 To meet the requirements of unique detection of coal mine personnel management system and working state detection for identification card, a card reading substation of flameproof and intrinsically safe is designed based on STM32f103RCT6.
WANG Yangyang,　HONG Yuling
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