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Journal articles on the topic 'Explosion-proof system'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Li, Tongzhe, and Hongkui Zhang. "Design of explosion-proof induction lamp temperature test system." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 691–95. http://dx.doi.org/10.54097/hset.v27i.3833.

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Temperature test is an item to be tested in the type test of explosion-proof induction lamp. Temperature test is an item to be tested in the type test of explosion-proof induction lamp. A temperature test system based on single chip microcomputer integrated control and automatic trigger is proposed to improve the efficiency and stability of temperature test of explosion-proof induction lamp. Based on the analysis of the working principle of the explosion-proof induction lamp, the explosion-proof induction lamp temperature test system is designed, and the full-power trigger module of the explos

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2

Dan, Xu, Huai Lin Zhao, Wang Lin, and Zhou Ting. "Intrinsic Safety Explosion-Proof System." Applied Mechanics and Materials 644-650 (September 2014): 4945–49. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.4945.

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The paper introduces the structure and basic theory of the intrinsic safety explosion-proof, the parameters of each part and the principles of selection. Emphasizes the features、work theory and earthing of the isolated barrier, which is used in intrinsic safety explosion-proof industry process control system .

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3

Wang, Yukun, and Hongkui Zhang. "Design of Explosion-Proof Switch Safety Assessment System." Highlights in Science, Engineering and Technology 124 (February 18, 2025): 444–48. https://doi.org/10.54097/kpyqdk91.

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Explosion-proof switches are essential electrical devices in explosive environments and serve as a critical guarantee for safe production in such locations. Based on an analysis of the status of safety assessment technologies both domestically and internationally, this paper proposes a safety assessment technology for explosion-proof switches, grounded in the inverse relationship between contact lifespan and interruption current. Additionally, it designs the overall structure of the safety assessment system for explosion-proof switches and establishes methods for result evaluation, providing a

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4

Chen, Hanzhe, Dingxuan Zhao, Zhuxin Zhang, Tuo Jia, Ruoyu Zhao, and Zhengkun Qu. "Design and Development of Explosion-Proof Cavity of Hydraulic System Power Unit Applied in Explosion-Proof Area." Processes 10, no. 9 (2022): 1824. http://dx.doi.org/10.3390/pr10091824.

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The construction machinery and vehicles, especially the explosion-proof and explosion-isolation ability of the vehicles are playing an increasingly important role in the complex and unpredictable emergency rescue field. In this paper, the explosion-proof housing of hydraulic system power unit applied in engineering machinery is investigated, wherein the power unit includes motor, power supply and control element. Motor-driven hydraulic pump provides the necessary power for the hydraulic system. The gas explosion process, basic parameters, flame acceleration mechanism and the theory model of ga

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Yang, Huasong, and Hongkui Zhang. "Design of a Safety Assessment System for Explosion-Proof Equipment in Coal Mines." Highlights in Science, Engineering and Technology 125 (February 18, 2025): 462–66. https://doi.org/10.54097/geryhf36.

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Safety assessment is a crucial guarantee for the reliable operation of explosion-proof equipment in coal mines, as well as an important method for predicting the lifespan of such equipment. Based on an analysis of the safety production situation in coal mines and the significance of safety assessments for explosion-proof equipment, this paper proposes a relative wear method for safety assessment technology of switches used in explosion-proof equipment to enhance the safety of switches in coal mine explosion-proof equipment and provide a reference for the development of condition prediction tec

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6

Liu, Jun Jie, Ming Lu, and Qiong Wang. "An Intrinsic Safe Design for the Coal Mine Gas Explosion-Proof Monitoring." Applied Mechanics and Materials 303-306 (February 2013): 550–54. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.550.

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The explosion-proof monitoring system of oxygen content usually is used situates in an explosive mine gas explosion monitoring site, the spark and thermal effects in its monitoring circuit are likely to form dangerous explosion source. Based on the intelligent control technology of MCU(msp430) and radio data transmission technique, this mine oxygen content monitoring system was designed according to the highest mining explosion-proof standards, so that its monitoring circuit can meet the intrinsically safe explosion-proof requirements. That is, when the hardware circuit of a explosion-proof mo

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7

Yuan, Ziyun, Hongkui Zhang, Bo Li, and Xin Jin. "The Inspection Technology for the Maximum Surface Temperature Test of Coal Mine Explosion-Proof Electrical Equipment." Highlights in Science, Engineering and Technology 84 (February 27, 2024): 1–5. http://dx.doi.org/10.54097/gm3r4w05.

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Based on the analysis of the domestic energy structure, this paper introduces the functions and main categories of coal mine explosion-proof electrical equipment, describes the technical requirements, test conditions, test methods, and result judgment of the maximum surface temperature test for coal mine explosion-proof electrical equipment, designs a maximum surface temperature test system for coal mine explosion-proof electrical equipment, and conducts a maximum surface temperature test on the explosion-proof electromagnetic starter for coal mines, achieving the inspection of the maximum sur

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8

Wang, Yukun, and Hongkui Zhang. "Design of Induction Function Test System for Explosion-Proof Induction Lamps in Coal Mines." Highlights in Science, Engineering and Technology 15 (November 26, 2022): 308–12. http://dx.doi.org/10.54097/hset.v15i.3003.

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In order to improve the accuracy of induction function testing of explosion-proof induction lamps in coal mines, a PLC-based induction function testing system is proposed. Based on the analysis of the shortcomings of traditional coal mine explosion-proof lamps and the industry development trend, we design the induction function testing system of coal mine explosion-proof induction lamps and derive the induction distance and induction angle testing methods.

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9

Wang, Nana, Ruobo Lin, Zhenwei Bai, and Lifeng Shen. "Electrical Explosion-Proof design of Low-Temperature condensation oil and gas recovery machine." Journal of Physics: Conference Series 2902, no. 1 (2024): 012009. https://doi.org/10.1088/1742-6596/2902/1/012009.

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Abstract The condensation oil and gas recovery machine is a highly efficient device specifically designed to recover oil and gas using condensation principles. This equipment is primarily used in flammable and explosive environments; thus, its electrical control system must meet explosion-proof requirements. This paper takes the oil and gas recovery machine as an example to introduce the design process of an explosion-proof electrical control system. The control system is composed of PLC and HMI as the core. The appropriate explosion-proof type is chosen based on the structural and performance

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10

Wang, Yukun, and Hongkui Zhang. "Design of the Highest Surface Temperature Test System for Explosion-Proof Electrical Appliances." Highlights in Science, Engineering and Technology 15 (November 26, 2022): 331–35. http://dx.doi.org/10.54097/hset.v15i.3010.

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Based on the analysis of explosion-proof electrical appliances use places and the status of the highest surface temperature test, the design method of the highest surface temperature test system of explosion-proof electrical appliances is proposed, the functions of each part of the system are clarified, the circuit of the voice alarm unit is designed, and the automatic test and result determination of the highest surface temperature test of explosion-proof electrical appliances are realized.

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11

Zhu, Kun, Jiquan Liu, Zhiwei Yan, and Lei Zhang. "Starting System and Safety Protection of Explosion-proof Diesel Engine for Coal Mine Based on Compressed Air." Journal of Physics: Conference Series 2108, no. 1 (2021): 012005. http://dx.doi.org/10.1088/1742-6596/2108/1/012005.

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Abstract The starting and safety protection system is an important part ofthe explosion-proof diesel engine, and there are malfunctions in the explosion-proof diesel engine, such as difficulty in starting and failure in protection. As a gas working medium, compressed air is safe, reliable, and advantageous in acquisition and storage. Therefore, analyzing the starting principle and safety protection requirements of explosion-proof diesel engines and studying the correlation between the two systems, a set of starting and safety protection systemsusing compressed air as the working medium is desi

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12

Zhang, Xue-Bo, Shuai-Shuai Shen, Zhi-Yang Gao, Ming Yang, and Jing-Zhang Ren. "Research on the Decompression Effects of Shaft Explosion-Proof Door at Different Lifting Heights." Shock and Vibration 2021 (September 27, 2021): 1–10. http://dx.doi.org/10.1155/2021/2115767.

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To study the decompression effects of shaft explosion-proof door at different lifting heights, this paper designed the gas explosion testing system. Based on the test results, this paper made a numeric analysis of the change regularities of the shock wave overpressure when the shaft explosion-proof door was lifted at different heights. Finally, this paper determined the proper lifting height of the shaft explosion-proof door and put forward the active decompression concept. The research showed that (1) the shock wave overpressure at the explosion-proof door decreased in a power exponential rel

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13

Zu, An, and Hongkui Zhang. "Research on the Protection Performance Testing Technology of Explosion-Proof Electrical Appliances in Mines." Highlights in Science, Engineering and Technology 124 (February 18, 2025): 454–58. https://doi.org/10.54097/2t5vwe83.

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Based on an analysis of the current situation of safety production in mines and the testing of protection characteristics of explosion-proof electrical appliances, a testing system and method for the protection performance of explosion-proof electrical appliances in mines are proposed. The system performs tests such as overload tests, short-circuit tests, phase-loss tests, leakage lock and unlock tests, and action characteristic tests, providing a reference for the development of intelligent testing technology for explosion-proof electrical appliances in mines.

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14

Ju, Zhe, and Hongkui Zhang. "Research on Leakage Protection Test Technology of Coal Mine Explosion-Proof Electric Appliances." Highlights in Science, Engineering and Technology 124 (February 18, 2025): 436–39. https://doi.org/10.54097/g8qtka76.

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Leakage protection is an important project for the type testing and factory inspection of explosion-proof electrical equipment in coal mines, serving as a crucial indicator for assessing product safety. Based on an analysis of the current state of leakage protection testing technology for coal mine explosion-proof electrical equipment, a leakage protection testing system has been designed. This system details the processes for leakage lock testing and leakage unlock testing, providing a reference for the development of intelligent testing technology for coal mine explosion-proof electrical equ

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15

Niu, Xin, and Ya Qiong Wang. "Explosion-Proof Soft Starter Control System Based on DSP." Applied Mechanics and Materials 214 (November 2012): 830–34. http://dx.doi.org/10.4028/www.scientific.net/amm.214.830.

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According to requirements for the use of explosion-proof and intrinsically safe AC motor soft start device in coal mine, the paper designed and realized explosion-proof soft starting control device based on the TMS320LF2406A as soft starter control core.TMS320LF2406A is TI company's new DSP products, superior to the MCU extensive used in general micro-control unit.It has advantages of low cost, low power consumption and high performance processing ability.

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16

Yang, Guoliang, Wenjia Huang, and Shuai Feng. "Antiexplosion Performance of Engineered Cementitious Composite Explosion-Proof Wall." Advances in Materials Science and Engineering 2020 (March 20, 2020): 1–10. http://dx.doi.org/10.1155/2020/1921960.

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The antiexplosion performance of an explosion-proof wall made of engineered cementitious composite was studied, using small-scale explosion-proof walls made of different materials and sizes that were subjected to on-site blasting. The dynamic responses of these walls were evaluated under blast loading using overpressure test system, digital image correlation (DIC) full-field strain testing, and high-speed photography recording of the crushing process. Analysis of the results of the overpressure and strain tests revealed the effect of the wall height on the overpressure behind the wall. Increas

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17

Feng, Yang, Wenhua Ye, Qian Lu, and Leiming Xiao. "Design of explosion-proof control system for liquefied gas tank leakage based on data fusion." Thermal Science 24, no. 3 Part A (2020): 1545–52. http://dx.doi.org/10.2298/tsci190626020f.

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Aiming at the problems of low system efficiency and high energy consumption of nodes in the current explosion-proof control system for liquefied gas tank leakage, a data fusion-based explosion-proof control system for liquefied gas tank leakage is designed. The function design of the explosion-proof control system for liquefied gas tank leakage is completed through personal information management, authority management, basic data management, detection and alarm design and control design. In software design, data fusion algorithm is used to fuse the underlying data of the system, which saves da

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18

Wang, Yukun, and Hongkui Zhang. "Design of Temperature Test System for Explosion-Proof Lamps under the Most Unfavorable Conditions." Highlights in Science, Engineering and Technology 15 (November 26, 2022): 317–21. http://dx.doi.org/10.54097/hset.v15i.3005.

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According to the technical requirements in the national standard GB/T 3836.1-2021 "Explosive atmospheres - Part 1: General requirements for equipment", the temperature test system under the most unfavorable conditions for explosion-proof lamps is designed, and the maximum operating power detection and trigger technology for temperature test of explosion-proof induction lamps is proposed.

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19

Zhang, Hongkui. "Design of Test System for Arcing Time of Air-Type Switch for Explosion-Proof Electricity in Coal Mine." Highlights in Science, Engineering and Technology 15 (November 26, 2022): 326–30. http://dx.doi.org/10.54097/hset.v15i.3009.

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In order to improve the accuracy of testing the arcing time of air-type switch for explosion-proof electrical use in coal mine, this paper puts forward the testing technology of coexistence characteristics of voltage and current. On the basis of analyzing the leading position of coal industry in energy structure and the situation of coal mine safety production, this paper expounds the generation mechanism and the theory of arc suppression of air-type switch used in coal mine explosion-proof electricity, and designs a test system for the arcing time of air-type switch used in coal mine explosio

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20

Shi, Zhiyuan, Hongxin Wei, Guanghui Li, et al. "Research and Analysis of Explosion-Proof Diesel Engine Performance Based on Different Exhaust Gas Cooling Systems." Energies 18, no. 3 (2025): 610. https://doi.org/10.3390/en18030610.

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As stringent emission regulations and safety standards for explosion-proof diesel engines become more critical, the demand for efficient exhaust cooling systems has increased. Traditional cooling systems, typically relying on cooling and purification water tanks, have limitations in terms of safety, performance, and emissions control. To address these challenges, a novel dry exhaust gas cooling system was developed, incorporating a heat exchanger and exhaust dilution cooling device, replacing the conventional water-based cooling systems. This study explores the performance of the dry exhaust g

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21

Li, Yuan. "Heat pipe cooling system of high-power three-level explosion-proof inverter based on the loss calculation and finite element analysis." Modern Physics Letters B 31, no. 19-21 (2017): 1740005. http://dx.doi.org/10.1142/s021798491740005x.

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The special using condition of high-power three-level explosion-proof inverter limits its cooling system within heat pipe and water-cooled cooling systems. How to calculate these two systems quantitatively to provide references for engineering application becomes one of the critical problems. In this paper, the principle of three-level explosion-proof was introduced first, and the power-loss generation theory was described and deduced into equations. Secondly, the heat pipe cooling system theory calculation was conducted based on the power losses of power devices, and the whole cooling system

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22

Lupiy, Mikhail G., Nikolay Y. Troshkov, and Andrey A. Belodedov. ""CONDITIONS FOR EXPLOSION-PROOF OPERATION OF A DEGASSING SYSTEM"." Vestnik of Kuzbass State Technical University, no. 3 (June 26, 2025): 127–38. https://doi.org/10.26730/1999-4125-2025-3-127-138.

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23

Du, J. B., Feng Xiong, Tao Yu, and Jun Shi Li. "The Mobile Internet-Based Explosion-Proof LED Lamp Intelligent Lighting System." Applied Mechanics and Materials 743 (March 2015): 728–33. http://dx.doi.org/10.4028/www.scientific.net/amm.743.728.

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Systems in the real world are becoming more intelligent, however intelligence has not been widely applied to lighting systems, which are necessary and indispensable parts of human life[1].In this paper, we propose a explosion-proof LED intelligent lighting system for the chemical production, it integrates MCU technology, sensor technology, ZigBee wireless communication technology, WCDMA 3G mobile internet technology, it could overcome the defects of traditional lighting in the chemical production, like poor management, single control, waste of human resources. The level of explosion-proof safe

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24

Zhang, Zhiyao, Dehua Zhou, Zhiwei Wang, Yuan Zhao, and Zhijun Guo. "Research on the application technology of lead acid batteries for mining electric vehicles." Journal of Physics: Conference Series 2683, no. 1 (2024): 012032. http://dx.doi.org/10.1088/1742-6596/2683/1/012032.

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Abstract As a power source, ordinary explosion-proof large-capacity lead-acid batteries have been widely used in underground explosion-proof lead-acid battery scrapers and support trucks, but there are some problems, such as too long charging time, the need to manually add distilled water regularly, and the inability to realize intelligent management. In this paper, the mine special valve-regulated lead-carbon lead-acid battery with capacitance characteristics is applied to the explosion-proof heavy-duty electric drive car, which can shorten the charging time to about 1/5 of that of the ordina

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25

Huang, Zichao, Rongjun Si, Guangcai Wen, Songling Jin, and Shaoqian Xue. "Experimental Study on the Isolation Effect of an Active Flame-Proof Device on a Gas Explosion in an Underground Coal Mine." Fire 6, no. 12 (2023): 468. http://dx.doi.org/10.3390/fire6120468.

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Passive explosion-isolation facilities in underground coal mines, such as explosion-proof water troughs and bags, face challenges aligned with current trends in intelligent and unmanned technologies, due to restricted applicability and structural features. Grounded in the propagation laws and disaster mechanisms of gas explosions, the device in this paper enables accurate identification of explosion flames and pressure information. Utilizing a high-speed processor for rapid logical processing enables judgments within 1 ms. Graded activation of the operating mechanism is enabled by the device.

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26

Qiu, Wei, Chen Li, Nianqiao Chen, et al. "Review of Explosion Mechanism and Explosion-Proof Measures for High-Voltage Cable Intermediate Joints." Energies 18, no. 6 (2025): 1552. https://doi.org/10.3390/en18061552.

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The intermediate joint of high-voltage cables, as a critical component in the power transmission system, plays a direct role in the stable operation of the entire electrical system. In recent years, frequent explosions of intermediate joints in high-voltage cables have led to significant economic losses and safety risks. Therefore, studying the explosion mechanisms and explosion prevention measures of high-voltage cable intermediate joints is particularly important. This article provides a systematic review of the explosion mechanisms and explosion prevention measures for high-voltage cable in

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27

Zu, An, and Hongkui Zhang. "Research on Temperature Rise Testing Technology of Explosion-Proof Low-Voltage Feeder Switches in Coal Mines." Highlights in Science, Engineering and Technology 124 (February 18, 2025): 459–63. https://doi.org/10.54097/scxthp53.

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Based on the analysis of the operating environment and protective functions of explosion-proof low-voltage feeder switches in coal mines, this paper proposes a temperature rise test data processing method for these switches. A temperature rise testing system for coal mine explosion-proof low-voltage feeder switches is designed to accurately measure the temperature rise at different points of the switches. This provides a reference for the development of intelligent inspection technologies for these switches in coal mines.

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28

Lu, Wen Tao, Guo Huan Lou, Chun Ming Yang, and Shu Sheng Zhang. "Research and Application of Coal Mine Rescue and Detecting Robots." Applied Mechanics and Materials 494-495 (February 2014): 1042–45. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1042.

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Coal mine is a dangerous place in which many fatal factors menace miners' life. When some disasters occur, it may be very dangerous for rescuers to go into mine tunnels to search survivors. So developing the coal mine detecting and rescue robot for mine rescue has a very important meaning. In this paper, a system of explosion-proof detecting robot is presented. The structure design methods of robot have been discussed in detail, including robot body, computer control system, explosion-proof and waterproof design of systems, mobile mechanism design and software design. Finally the application r

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29

Wang, Jingyu, Wancheng Yuan, Xun Wu, and Kai Wei. "Dynamic performance of girder bridges with explosion-proof and aseismic system." Structural Engineering and Mechanics 61, no. 3 (2017): 419–26. http://dx.doi.org/10.12989/sem.2017.61.3.419.

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30

Blesse, A. Vergin. "Design and Implementation of an Anti-Explosion System for Electric Vehicles Batteries." International Journal of Innovative Research in Information Security 10, no. 03 (2024): 182–87. http://dx.doi.org/10.26562/ijiris.2024.v1003.12.

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This research paper investigates the development and implementation of an innovative anti-explosion system designed to control the temperature of electric vehicles (EVs) during operation and parking. The system is designed to improve safety and efficiency by preventing overheating and minimizing the risk of thermal disturbances. This paper also outlines the significance and rising appeal of electric vehicles and explains the need for efficient cooling systems in electric vehicles to maintain optimal performance and safety. It introduces the concept of an explosion-proof cooling system and its

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31

Ke, Yan, Zhang He Jiang, and Shi Guang Li. "The Design and Experiment of Levelness-Adjustable Clamping Device for Cable Gland." Applied Mechanics and Materials 721 (December 2014): 455–58. http://dx.doi.org/10.4028/www.scientific.net/amm.721.455.

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This paper introduces a design of testing machine that could apply to the clamping tensile test for explosion-proof cable gland and a clamping tensile test for explosion-proof cable that based on this machine. The tension conduction system composed by wire rope and pulley supplies the test device for cable gland with tension by using standard weights counterweight. In order to ensure test precision, the testing machine loading platform can translate along the horizontal orthogonal direction X, Y and rotate around the X axis to adjust the sample space coordinates. The stress-strain sensor can m

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32

Zong, Rong Zhen, and Yu Jiang Qiu. "Research and Development of High Efficiency & Energy Saving Series, High-Voltage & Flame Proof Three Phase Asynchronous Motor for Fan." Advanced Materials Research 503-504 (April 2012): 931–36. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.931.

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In order to save energy, decrease the loss and improve the technology level of high voltage flame proof three phrase asynchronous motor for fan, the condition, problem and development trend of the motor are studied in the paper. The motor structure, wind path system, electromagnetic scheme, insulation structure, electrical explosion-proof structure are improved, and non electric explosion-proof theory and low noise design are firstly applied in the research and development of motor. The efficiency of the motor is improved 2% by the method of optimizing the structure of motor and improving the

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33

Wang, Long Peng, Jun Gao, Jian Ming Zhang, and Zhi Jun Shi. "Development of Uphole Monitor for MWD in Underground Directional Drilling in Coalmine." Advanced Materials Research 605-607 (December 2012): 1929–33. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.1929.

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Measurement while drilling (MWD) is the key for underground directional drilling in coalmine. In this paper, an uphole monitor for MWD is developed to process and display downhole measure data. Firstly, an explosion-proof computer is developed, which can be used in explosive gas atmosphere. The flameproof enclosure and intrinsic safe type of protection have been employed to meet the needs of explosion-proof and communication with measure unit. A Windows-based software is subsequently developed to show the measure result and generate the in-seam drilling trajectory. The uphole monitor has been

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Kang, Yong Ju, Chang Soo Lee, Kyung Sun Yoo, and Dong Hoon Hyun. "Study on 30W LED Explosion Proof Light Optical System Using Air Driver." Journal of the Korean Society of Manufacturing Technology Engineers 28, no. 3 (2019): 181–87. http://dx.doi.org/10.7735/ksmte.2019.28.3.181.

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López-Mimbela, J. Alfredo, and Anton Wakolbinger. "A probabilistic proof of non-explosion of a non-linear PDE system." Journal of Applied Probability 37, no. 3 (2000): 635–41. http://dx.doi.org/10.1239/jap/1014842824.

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Using a representation in terms of a two-type branching particle system, we prove that positive solutions of the system remain bounded for suitable bounded initial conditions, provided A and B generate processes with independent increments and one of the processes is transient with a uniform power decay of its semigroup. For the case of symmetric stable processes on R1,this answers a question raised in [4].

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López-Mimbela, J. Alfredo, and Anton Wakolbinger. "A probabilistic proof of non-explosion of a non-linear PDE system." Journal of Applied Probability 37, no. 03 (2000): 635–41. http://dx.doi.org/10.1017/s0021900200015874.

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Using a representation in terms of a two-type branching particle system, we prove that positive solutions of the system remain bounded for suitable bounded initial conditions, provided A and B generate processes with independent increments and one of the processes is transient with a uniform power decay of its semigroup. For the case of symmetric stable processes on R 1,this answers a question raised in [4].

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37

Li, JiaTong, WenBao Jia, DaQian Hei, et al. "Design of the explosion-proof detection integrated system based on PGNAA technology." Journal of Radioanalytical and Nuclear Chemistry 322, no. 3 (2019): 1719–28. http://dx.doi.org/10.1007/s10967-019-06837-7.

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Zhang, Yufeng, Yan Gao, and Ying Sheng. "Application of dual throttling air-conditioning system to explosion-proof frequency converter." Transactions of Tianjin University 21, no. 2 (2015): 95–103. http://dx.doi.org/10.1007/s12209-015-2466-0.

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Hu, M. H., Y. L. Lv, and Na Wang. "The Analysis of an Accident in Coal Mine which Caused by Short-Circuit of 6kv High-Pressure Explosion-Proof Switch." Applied Mechanics and Materials 143-144 (December 2011): 27–31. http://dx.doi.org/10.4028/www.scientific.net/amm.143-144.27.

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To describe 6kv high-pressure explosion-proof switches, the main device of ensuring the safe operation of in coal mine power supply system, are widely used in coal mine, which can complete the mission of underground high-voltage power supply and distribution and the controlling of high-pressure water pump motor. The short-circuit of high-pressure explosion-proof switch is not a common fault, but the event usually cause a large area power outage, especially at high gas underground mine, which is a serious threat to production safety. In this paper, the analysis of switch short-circuit accident

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40

Liang, Xiaoqiang, Na Liu, Kun Zhang, et al. "Thermal runaway hazards of Lithium-Ion batteries in enclosed spaces." Journal of Physics: Conference Series 2961, no. 1 (2025): 012041. https://doi.org/10.1088/1742-6596/2961/1/012041.

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Abstract Lithium-ion batteries, celebrated for their high voltage, durability, and cleanliness, are the cornerstone of today’s new energy field. Their thermal stability in confined, explosion-proof settings is crucial for high-risk industries like military and mining, directly impacting worker safety and equipment reliability. Insight into thermal runaway triggers and progression is vital for crafting preventive strategies and enhancing battery system safety. This research, involving thermal runaway tests on three lithium-ion batteries in an explosion-proof enclosure, shows that while the encl

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Xiong, Ziming, Qinghua Zhang, Hao Lu, et al. "Evaluation and identification of dynamic strain on a blast door subjected to blast loading using fibre Bragg grating sensors." International Journal of Distributed Sensor Networks 14, no. 3 (2018): 155014771876686. http://dx.doi.org/10.1177/1550147718766860.

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Tunnels and subway blast doors are effective barriers to terrorist attacks and emergencies, and research into the mechanical properties of blast doors under explosive dynamic loads can improve and enhance the performance thereof. In this article, surface strain measurements on subway blast door models under dynamic load are carried out using quasi-distributed fibre Bragg grating sensors. The principle underpinning fibre Bragg grating sensing is introduced before the experiment. In the experiment, a model of an explosion-proof door was designed, and the experimental foundation pit was designed

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Hua, Weixing, Yan Chen, Xiang Zhao, et al. "Research on a Corrosion Detection Method for Oil Tank Bottoms Based on Acoustic Emission Technology." Sensors 24, no. 10 (2024): 3053. http://dx.doi.org/10.3390/s24103053.

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This paper presents an acoustic emission (AE) detection method for refined oil storage tanks which is aimed towards specialized places such as oil storage tanks with high explosion-proof requirements, such as cave oil tanks and buried oil tanks. The method utilizes an explosion-proof acoustic emission instrument to detect the floor of a refined oil storage tank. By calculating the time difference between the defective acoustic signal and the speed of acoustic wave transmission, a mathematical model is constructed to analyze the detected signals. An independent channel AE detection system is de

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Zeng, Bowen, Zhongmin Zhang, Xiao Zhang, and Jing Xiang. "Design of Refueling Control System with Multi-ControlTerminal Based on Network." Electronics 10, no. 13 (2021): 1559. http://dx.doi.org/10.3390/electronics10131559.

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This paper discusses a network-based refueling control system with multiple control terminals that achieves the control input and display of near-aircraft position, refueling station, and centralized console. The system can achieve the closed-loop control of the refueling input flow, automatic control of the fixed refueling amount, and collection of environmental parameters, such as pipeline pressure, according to the refueling aircraft model. Moreover, the system can dynamically display parameter information of the refueling process in real time on three terminals. To meet the requirements of

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Jiang, Hai, Dongjie Wang, Jiameng Cheng, et al. "Research on Speed Control Strategies for Explosion-Proof Diesel Engine Monorail Cranes." Actuators 13, no. 12 (2024): 467. http://dx.doi.org/10.3390/act13120467.

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This paper introduces a control method tailored for the speed regulation of monorail cranes in coal mines. Initially, an analysis of the structure and load conditions of the monorail crane drive components is conducted to calculate the traction force, clamping force, and target travel speed across varying operational scenarios. Subsequently, the hydraulic system schematic of the monorail crane is analyzed to develop a mathematical model for speed control, enabling the assessment of system stability using transfer functions. A simulation model of the monorail crane speed control loop is then cr

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Jankura, Richard, Zuzana Zvaková, and Martin Boroš. "ANALYSIS OF MATHEMATICAL RELATIONS FOR CALCULATION OF EXPLOSION WAVE OVERPRESSURE." Proceedings of CBU in Natural Sciences and ICT 1 (November 16, 2020): 21–27. http://dx.doi.org/10.12955/pns.v1.116.

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The explosion of an explosive system causes primary and secondary effects on people and objects near its site. The most devastating is the pressure effect of the explosion, especially the overpressure. Individual parameters of pressure wave (overpressure size, duration impulse) can be determined by mathematical or virtual modeling or can also be measured under real conditions. The authors focused on the parameters of the positive phase of the shock wave propagating from the source of the explosion towards the object. The article covers the description and analysis of selected mathematica

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Song, Zhi Liang, Da Cheng Xie, and Ling Yu Ou-Yang. "Finite Element Analysis for Petiole’s Fracture of Mine-Used Explosion-Proof Axial Fan." Applied Mechanics and Materials 680 (October 2014): 228–32. http://dx.doi.org/10.4028/www.scientific.net/amm.680.228.

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The petiole’s fracture of mine-used explosion-proof axial fan has been analyzed by means of finite element analysis (FEA). The reasons of the petiole’s fracture have been found through the structural static and modal simulation calculates for the axial fan’s impeller mechanical system. The structural static analysis results show that the petiole has stress concentration problems, and the modal analysis results demonstrate that the 6th-order natural frequency of the impeller system (which is 83.258 Hz) is close to 5 times of the impeller’s rotation frequency (which is 16.667*5 = 83.335 Hz), the

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Яременко, С. А., О. И. Гайдаш, and М. Н. Жерлыкина. "MATHEMATICAL MODELING OF LOADING OF AN EXPLOSION-PROOF VALVE IN VENTILATION SYSTEMS." Housing and utilities infrastructure, no. 3(30) (October 31, 2024): 37–45. http://dx.doi.org/10.36622/2541-9110.2024.30.3.004.

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Приведены особенности проектирования энергоресурсоснабжающих объектов жилищно-коммунального хозяйства. Выявлено, что внешние воздействия природного и техногенного происхождения могут стать причиной развития на промышленном объекте нештатной ситуации. Представлено описание происхождения и развитие ударной волны и последствий на объектах промышленности. Акцентировано внимание на системе вентиляции как объекте, наиболее подверженном влиянию ударной волны. Для обеспечения безопасности промышленных объектов предложена установка взрывозащитных клапанов. Представлены граничные условия для эксплуатаци

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Xu, Shi-Zhou, Chun-jie Wang, and Yu-feng Peng. "Power Device Thermal Fault Tolerant Control of High-Power Three-Level Explosion-Proof Inverter Based on Holographic Equivalent Dual-Mode Modulation." Active and Passive Electronic Components 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/6961832.

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It is necessary for three-level explosion-proof inverters to have high thermal stability and good output characteristics avoiding problems caused by power devices, such as IGBT, so it becomes a hot and difficult research point using only one control algorithm to guarantee both output characteristics and high thermal stability. Firstly, the simplified SVPWM (Space Vector Pulse Width Modulation) algorithm was illustrated based on the NPC (neutral-point-clamped) three-level inverter, and then the quasi-square wave control was brought in and made into a novel holographic equivalent dual-mode modul

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Huang, Suguo, and Xiangdong Zeng. "Optimized Design of DCZB Series Intelligent Protector for Underground Explosion-proof Switches." Journal of Intelligence and Knowledge Engineering 2, no. 1 (2024): 144—None. http://dx.doi.org/10.62517/jike.202404121.

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This paper delves into the current utilization status of intelligent protectors for explosion-proof switches in Chinese coal mines. It specifically addresses issues such as substantial voltage fluctuations and insufficient short-circuit protection. Drawing upon the principles of safety ergonomics, a comprehensive design approach has been adopted for the explosion-proof switch, encompassing both hardware and software enhancements to mitigate the challenge of short-circuit tripping. In the realm of hardware design, the integration of 2.4GHz wireless communication technology for temperature monit

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Guo, Ji Hong, and Li Li. "Research on Current Signal Acquisition of Soft-Start Controller." Applied Mechanics and Materials 273 (January 2013): 322–26. http://dx.doi.org/10.4028/www.scientific.net/amm.273.322.

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To study of current signal acquisition circuit the mine explosion-proof and intrinsically safe type AC motor soft starter controller, which carries on AC sampling according to the soft start controller. the system adopts AC sampling method for sensor two information without any deformation processing, it is high-speed sampling. At the same time, the system uses root-mean-square algorithm to process AC signal and obtain the required current parameters. The experiment proves that this method enhances the overall system performance.

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