面向煤矿井下的多协议融合网关设计
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摘要
针对现有煤矿安全监测系统中信息传输可靠性差、异构数据融合度低的问题,设计了一款面向煤矿井下的多协议融合网关。该网关可同时接入不同协议类型的传感器,将多源数据以以太网协议数据的形式传输到远程服务器进行信息融合。在该网关中,物理层通过不同协议(RS232、RS485、CAN、ZigBee)传输介质和接口接收终端的数据信息;协议层对不同的数据格式进行解封,得到终端用户原始数据;系统层通过任务管理和通信调度完成多类型设备的接入;应用层设计用户函数和调用内核空间的网络层协议进行数据封装,得到以太网协议格式的数据后不需处理就可传送到上级节点,完成网关多类型协议数据到以太网协议数据的转换传输。测试结果表明,该网关可以实现RS232、RS485、CAN、ZigBee等协议数据转以太网协议数据的透明传输,且传输时延集中在15ms以内,传输数据丢包率低,具有很强的通信可靠性。
In view of the problems of poor reliability of information transmission and low fusion degree of heterogeneous data for coal mine safety monitoring system,a multi-protocol fusion gateway for underground coal mine was designed.The gateway can be connected to sensors with different protocol types at the same time and transmit multi-source data to remote server in the form of Ethernet protocol data for information fusion.In the gateway,physical layer receives data information of the terminal through different protocols(RS232,RS485,CAN,ZigBee)transmission medium and interface.Protocol layer de-archive different data formats to obtain original data of the end user.System layer completes access of multiple types of devices through task management and communication scheduling.Application layer designs user function and calls the kernel space network layer protocol for data encapsulation to obtain the data in the Ethernet protocol format,the data can be transmitted to the upper node without processing,so as to complete conversion and transmission of multi-type protocol data to the Ethernet protocol data of the gateway.The test results show that the gateway can realize transparent transmission of RS232,RS485,CAN,ZigBee protocol data to Ethernet protocol data,and the transmission delay isconcentrated within 15 ms,the packet loss of transmission data is extremely low,so the gateway has a strong communication reliability.
In view of the problems of poor reliability of information transmission and low fusion degree of heterogeneous data for coal mine safety monitoring system,a multi-protocol fusion gateway for underground coal mine was designed.The gateway can be connected to sensors with different protocol types at the same time and transmit multi-source data to remote server in the form of Ethernet protocol data for information fusion.In the gateway,physical layer receives data information of the terminal through different protocols(RS232,RS485,CAN,ZigBee)transmission medium and interface.Protocol layer de-archive different data formats to obtain original data of the end user.System layer completes access of multiple types of devices through task management and communication scheduling.Application layer designs user function and calls the kernel space network layer protocol for data encapsulation to obtain the data in the Ethernet protocol format,the data can be transmitted to the upper node without processing,so as to complete conversion and transmission of multi-type protocol data to the Ethernet protocol data of the gateway.The test results show that the gateway can realize transparent transmission of RS232,RS485,CAN,ZigBee protocol data to Ethernet protocol data,and the transmission delay isconcentrated within 15 ms,the packet loss of transmission data is extremely low,so the gateway has a strong communication reliability.
引文
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[3]赵越.煤矿安全监控系统嵌入式网关的设计及应用[J].煤矿机电,2018(1):43-45.ZHAO Yue.Design and application of embedded gateway in coal mine safety monitoring system[J].Colliery Mechanical&Electrical Technology,2018(1):43-45.
[4]汪丛笑.煤矿安全监控系统升级改造及关键技术研究[J].工矿自动化,2017,43(2):1-6.WANG Congxiao.Research on upgrading of coal mine safety monitoring and control system and its key technologies[J].Industry and Mine Automation,2017,43(2):1-6.
[5]卓然,郑红党,梁龙兵,等.矿用多协议嵌入式网关设计[J].软件,2014,35(8):93-97.ZHUO Ran,ZHENG Hongdang,LIANG Longbing,et al.Design of multi-protocol embedded translation gateway of mine[J].Software,2014,35(8):93-97.
[6]高俊,雷兴,邹德东.光纤以太环网+CAN总线传输在矿井安全生产监控系统中的应用[J].煤矿安全,2011,42(9):128-130.
[7]毛为民,杨义伟.基于STM32CAN-Ethernet网关的设计[J].上海船舶运输科学研究所学报,2017,40(3):46-49.MAO Weimin,YANG Yiwei.CAN-Ethernet gateway design with STM32for ship monitoring system[J].Journal of Shanghai Ship and Shipping Research Institute,2017,40(3):46-49.
[8]王计波.面向智能断路器的多协议通信技术研究[D].天津:河北工业大学,2013.
[9]陈玮思.基于MT7620A平台无线网关的设计与应用[D].广州:华南理工大学,2014.
[10] KHAN R,MCLAUGHLIN K,LAVERTY D,et al.Design and implementation of security gateway for synchrophasor based real-time control and monitoring in smart grid[J].IEEE Access,2017,5:11626-11644.
[11]孟奎,顾焯南,杨和茂.电子电路的抗干扰方法以及有关技术分析[J].电子制作,2016(7):75-76.
[12]高昊.矿用本安型抗干扰电源缓启动电路设计[J].煤矿安全,2017,48(8):87-90.GAO Hao.Design for soft start circuit of mine-used intrinsic type anti-interference power[J].Safety in Coal Mines,2017,48(8):87-90.
[13]辛永祥,张小波,刘京威.煤矿井下多协议网关设计与实现[J].工矿自动化,2015,41(10):65-67.XIN Yongxiang,ZHANG Xiaobo,LIU Jingwei.Design and implementation of multi-protocol gateway of coal mine[J].Industry and Mine Automation,2015,41(10):65-67.
[14]丁恩杰,金雷,陈迪.互联网+感知矿山安全监控系统研究[J].煤炭科学技术,2017,45(1):129-134.DING Enjie,JIN Lei,CHEN Di.Study on safety monitoring and control system of Internet+perception mine[J].Coal Science and Technology,2017,45(1):129-134.
[15]王启峰.煤矿安全监控多系统井下融合方法[J].工矿自动化,2017,43(2):7-10.WANG Qifeng.Underground multi-system fusion scheme of coal mine safety monitoring and control system[J].Industry and Mine Automation,2017,43(2):7-10.