Volume 50 Issue 7
Jul.  2024
Turn off MathJax
Article Contents
Article Navigation >  Journal of Mine Automation  > 2024  >  50(7): 136-146
TIAN Zijian, HOU Mingshuo, SUN Jing, et al. Equivalent energy storage model coupled electromagnetic wave energy safety analysis of metal structures in underground coal mines[J]. Journal of Mine Automation，2024，50（7）：136-146.  doi: 10.13272/j.issn.1671-251x.2024050085
Citation: TIAN Zijian, HOU Mingshuo, SUN Jing, et al. Equivalent energy storage model coupled electromagnetic wave energy safety analysis of metal structures in underground coal mines[J]. Journal of Mine Automation，2024，50（7）：136-146.  doi: 10.13272/j.issn.1671-251x.2024050085
shu

Equivalent energy storage model coupled electromagnetic wave energy safety analysis of metal structures in underground coal mines

doi: 10.13272/j.issn.1671-251x.2024050085
  • 1.

    School of Artificial Intelligence, China University of Mining and Technology-Beijing, Beijing 100083, China

  • 2.

    School of Foundation, Beijing Polytechnic College, Beijing 100042, China

  • 3.

    Beijing Coal Mining Electric Equipment Technical Development Co., Ltd., Beijing 100042, China

  • Received Date: 2024-05-29
  • Rev Recd Date: 2024-07-11
    • Available Online: 2024-07-30
    Abstract
  • The electromagnetic wave energy emitted by wireless communication equipment in coal mines can be coupled and absorbed by surrounding metal structures, which poses a risk of igniting explosive gases in the mine. The existing research on the safety of underground metal structure coupled electromagnetic waves only focuses on the analysis of the energy of metal structure equivalent impedance model coupled electromagnetic waves. It lacks research on the energy storage process of metal structure coupled electromagnetic wave energy accumulated over time. In order to solve the above problems, an equivalent energy storage structure model suitable for studying the coupling-accumulation-release electromagnetic wave energy of metal structures is proposed, namely the metal structure equivalent capacitive energy storage model and the metal structure equivalent inductive energy storage model. Firstly, by using a low attenuation transmission line model, the relationship between the output power of the transmitting antenna, the distance between the transmitting antenna and the metal structure, and the induced voltage at the receiving end is derived. Secondly, an equivalent energy storage model of metal structure is established. The mathematical relationship between the receiving end parameters and the discharge spark energy is derived. The influence of the receiving end parameters on the discharge spark energy is analyzed. Finally, the mathematical relationship between the output power of the transmitting antenna, the distance between the transmitting antenna and the metal structure, and the discharge spark energy is derived by analyzing the relationship between the induced voltage at the receiving end and the effective value of the induced voltage. The influence of the output power of the transmitting antenna and the distance between the transmitting antenna and the metal structure on the discharge spark energy is analyzed. The theoretical reference safety points of the equivalent energy storage models of the two metal structures are given under the condition of other parameters being determined. The simulation results show the following points. ① For the equivalent capacitive energy storage model of metal structures, the discharge spark energy increases with the increase of the effective values of the equivalent energy storage capacitor and the induced voltage at the receiving end, and the safety point shifts to the left. The safety requirements for the effective values of the equivalent energy storage capacitor and the induced voltage at the receiving end become stricter. ② The energy of the discharge spark increases with the increase of the transmitting antenna power, and decreases with the increase of the distance between the transmitting antenna and the metal structure. The theoretical reference safety point of the equivalent capacitive energy storage model of the metal structure is obtained. ③ For the equivalent inductive energy storage model of metal structures, the discharge spark energy increases with the increase of the effective values of the equivalent energy storage inductance and the induced voltage at the receiving end, and the safety point shifts to the left. The safety requirements for the effective values of the equivalent energy storage inductance and the induced voltage at the receiving end become stricter. ④ The energy of the discharge spark increases with the increase of the transmitting antenna power, and decreases with the increase of the distance between the transmitting antenna and the metal structure. The theoretical reference safety point of the equivalent inductive energy storage model of the metal structure is obtained. ⑤ Comparing the theoretical reference safety points of two metal structure energy storage models, it is concluded that the danger of the metal structure equivalent capacitive energy storage model is much greater than that of the metal structure equivalent inductive energy storage model.

     

    • FullText(HTML)
  • loading
    • References(23)
  • [1]
    王国法,庞义辉,任怀伟,等. 智慧矿山系统工程及关键技术研究与实践[J]. 煤炭学报,2024,49(1):181-202.

    WANG Guofa,PANG Yihui,REN Huaiwei,et al. System engineering and key technologies research and practice of smart mine[J]. Journal of China Coal Society,2024,49(1):181-202.
    [2]
    孙继平,彭铭. 矿井无线电波防爆安全发射功率研究[J]. 工矿自动化,2024,50(3):1-5.

    SUN Jiping,PENG Ming. Research on the safe transmission power of mine radio wave explosion prevention[J]. Journal of Mine Automation,2024,50(3):1-5.
    [3]
    GB/T 3836.1—2021爆炸性环境 第1部分:设备 通用要求[S].

    GB/T 3836.1-2021 Explosive atmospheres-Part 1:Equipment-General requirements[S].
    [4]
    Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation - Guide:BS 6656[S].
    [5]
    EXCELL P S,MADDOCKS A J. Assessment of worst-case receiving antenna characteristics of metallic industrial structures. Part 1:electrically- small structures[J]. Journal of the Institution of Electronic and Radio Engineers,1986,56(1):27. doi: 10.1049/jiere.1986.0006
    [6]
    彭霞. 矿井电磁波辐射能量对瓦斯安全性的影响[J]. 煤炭学报,2013,38(4):542-547.

    PENG Xia. Electromagnetic wave radiation energy influences on safety of gas in coal mine[J]. Journal of China Coal Society,2013,38(4):542-547.
    [7]
    孙继平,贾倪. 矿井电磁波能量安全性研究[J]. 中国矿业大学学报,2013,42(6):1002-1008. doi: 10.3969/j.issn.1000-1964.2013.06.018

    SUN Jiping,JIA Ni. Safety study of electromagnetic wave energy in coal mine[J]. Journal of China University of Mining & Technology,2013,42(6):1002-1008. doi: 10.3969/j.issn.1000-1964.2013.06.018
    [8]
    刘晓阳,马新彦,刘坤,等. 矿井5G电磁波辐射能量安全性研究[J]. 工矿自动化,2021,47(7):85-91.

    LIU Xiaoyang,MA Xinyan,LIU Kun,et al. Research on the safety of 5G electromagnetic wave radiation energy in coal mine[J]. Industry and Mine Automation,2021,47(7):85-91.
    [9]
    田子建,降滉舟,常琳,等. 半波振子结构在井下5G辐射场中的安全性分析[J]. 工矿自动化,2023,49(6):159-167.

    TIAN Zijian,JIANG Huangzhou,CHANG Lin,et al. Safety analysis of half wave oscillator structure in underground 5G radiation field[J]. Journal of Mine Automation,2023,49(6):159-167.
    [10]
    孙继平,彭铭,潘涛,等. 无线电波防爆安全阈值研究[J]. 工矿自动化,2023,49(2):1-5.

    SUN Jiping,PENG Ming,PAN Tao,et al. Research on the safety threshold of radio wave explosion-proof[J]. Journal of Mine Automation,2023,49(2):1-5.
    [11]
    MIKKI S M,ANTAR Y M M. A theory of antenna electromagnetic near field-Part I[J]. IEEE Transactions on Antennas and Propagation,2011,59(12):4691-4705. doi: 10.1109/TAP.2011.2165499
    [12]
    范思涵,杨维,田子建. 井下柱状金属结构接收电磁波能量安全性分析[J/OL]. 煤炭科学技术:1-9[2024-07-02]. http://kns.cnki.net/kcms/detail/11.2402.TD.20231206.1855.003.html.

    FAN Sihan,YANG Wei,TIAN Zijian. Safety analysis of electromagnetic wave energy received by underground columnar metal structures[J/OL]. Coal Science and Technology:1-9[2024-07-02]. http://kns.cnki.net/kcms/detail/11.2402.TD.20231206.1855.003.html.
    [13]
    田子建,王帅,张立亚,等. 矿井射频能量对雷管安全性的影响[J]. 中国矿业大学学报,2011,40(1):18-22.

    TIAN Zijian,WANG Shuai,ZHANG Liya,et al. Influence of radio frequency energy on the safety of blasting caps in the mine[J]. Journal of China University of Mining & Technology,2011,40(1):18-22.
    [14]
    董红涛,田子建,侯明硕,等. 金属振子结构在矿井5G辐射场中的安全功率分析[J]. 工矿自动化,2023,49(12):108-113.

    DONG Hongtao,TIAN Zijian,HOU Mingshuo,et al. Safety power analysis of metal oscillator structure in mine 5G radiation field[J]. Journal of Mine Automation,2023,49(12):108-113.
    [15]
    GB/T 3836.4—2021爆炸性环境 第4部分:由本质安全型“i” 保护的设备[S].

    GB/T 3836.4−2021 Explosive atmospheres-Part 4:Equipment protection by intrinsic safety i. [S].
    [16]
    范思涵,杨维,刘俊波. 井下金属结构近场耦合大环发射天线电磁波能量安全性分析[J]. 工矿自动化,2022,48(6):118-127.

    FAN Sihan,YANG Wei,LIU Junbo. Analysis of electromagnetic wave energy safety of underground metal structure near-field coupled large loop transmitting antenna[J]. Journal of Mine Automation,2022,48(6):118-127.
    [17]
    刘晓阳,马新彦,田子建,等. 井下金属结构等效接收天线的放电火花安全性研究[J]. 工矿自动化,2021,47(9):126-130.

    LIU Xiaoyang,MA Xinyan,TIAN Zijian,et al. Research on discharge spark safety of equivalent receiving antenna of underground metal structure[J]. Industry and Mine Automation,2021,47(9):126-130.
    [18]
    康骞,许春雨,田慕琴,等. 电势电容电路短路火花放电影响因素分析[J]. 工矿自动化,2020,46(8):38-43,63.

    KANG Qian,XU Chunyu,TIAN Muqin,et al. Analysis of influencing factors of short-circuit spark discharge in electric potential capacitance circuit[J]. Industry and Mine Automation,2020,46(8):38-43,63.
    [19]
    刘树林,钟久明,樊文斌,等. 电容电路短路火花放电特性及其建模研究[J]. 煤炭学报,2012,37(12):2123-2128.

    LIU Shulin,ZHONG Jiuming,FAN Wenbin,et al. Short circuit discharge characteristics of the capacitive circuit and its mathematical model[J]. Journal of China Coal Society,2012,37(12):2123-2128.
    [20]
    钟久明,刘树林,崔强. IEC火花试验装置的电容短路放电特性数学仿真分析[J]. 电工电能新技术,2014,33(2):29-34.

    ZHONG Jiuming,LIU Shulin,CUI Qiang. Short circuit discharge behavior of capacitive circuit and its mathematical simulation analysis[J]. Advanced Technology of Electrical Engineering and Energy,2014,33(2):29-34.
    [21]
    HASEGAWA M,TAKAHASHI K,KAWAMURA D,et al. Comparison of transfer and erosion shapes on Ag and AgSnO2 contacts caused by break arc discharges in a DC inductive load circuit[C]. IEEE 59th Holm Conference on Electrical Contacts ,Newport,2013:1-7.
    [22]
    朱林,刘树林,刘柏清,等. 本质安全低压直流电路放电理论及数值研究综述[J]. 工矿自动化,2022,48(8):16-25.

    ZHU Lin,LIU Shulin,LIU Boqing,et al. Review of discharge theory and numerical research on intrinsically safe low voltage DC circuits[J]. Journal of Mine Automation,2022,48(8):16-25.
    [23]
    刘建华. 爆炸性气体环境下本质安全电路放电理论及非爆炸评价方法的研究[D]. 徐州:中国矿业大学,2008.

    LIU Jianhua. A study on discharge theory and non-explosion evaluating method of the intrinsically safe circuits for explosive atmospheres[D]. Xuzhou:China University of Mining and Technology,2008.
    • Relative Articles
    • Supplements(0)
    • Cited By
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Figures(14)

    Get Citation
    PDF
    XML

    Article Metrics

    Article views (105) PDF downloads(22) Cited by()
    Proportional views
    Related

    苏ICP备 05016349号-2

    Supported by: Beijing Renhe Information Technology Co. Ltd.  Visits：    

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return