WO2022062126A1 - 一种基于5g技术的气膜封闭煤场移动监控系统 - Google Patents

一种基于5g技术的气膜封闭煤场移动监控系统 Download PDF

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WO2022062126A1
WO2022062126A1 PCT/CN2020/128806 CN2020128806W WO2022062126A1 WO 2022062126 A1 WO2022062126 A1 WO 2022062126A1 CN 2020128806 W CN2020128806 W CN 2020128806W WO 2022062126 A1 WO2022062126 A1 WO 2022062126A1
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gas
film
coal yard
control system
fire
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PCT/CN2020/128806
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English (en)
French (fr)
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武宝会
李刚
李帅英
贾晓静
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西安热工研究院有限公司
西安西热锅炉环保工程有限公司
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Publication of WO2022062126A1 publication Critical patent/WO2022062126A1/zh

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24024—Safety, surveillance

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  • the invention belongs to the field of coal yard automation and technology of thermal power units, and relates to a gas-film enclosed coal yard mobile monitoring system based on 5G technology.
  • Coal conveying control systems are generally designed and supplied by different companies, which are independent of each other, causing great difficulties for unified monitoring, and it is impossible to realize remote control under modern 5G communication conditions.
  • the purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art, and to provide a mobile monitoring system for gas-film enclosed coal yard based on 5G technology, which realizes remote and mobile monitoring of gas-film coal yard data.
  • the mobile monitoring system for gas-film enclosed coal yard based on 5G technology includes gas-film coal yard, PLC control system, network server, Internet network, 5G switch, mobile client, 5G communication base station, 5G Wireless network, video surveillance system for video monitoring of equipment in gas-film coal yard, fire-fighting and fire control system for controlling fire-fighting and fire equipment in gas-film coal yard, for detecting inside gas-film coal yard Pressure monitoring device for air film internal pressure, air quality monitoring device for detecting air quality in air film coal field, outdoor anemometer for detecting wind speed outside air film coal field, Outdoor snow load monitoring device, blower control device for controlling the blower in the gas-film coal yard, exhaust valve control device for controlling the airtight valve on the gas-film coal yard, and control device for controlling the coal conveying device in the gas-film coal yard Coal conveying control system;
  • Air film internal pressure monitoring device, air quality monitoring device, outdoor anemometer, outdoor snow load monitoring device, blower control device and exhaust valve control device are connected with PLC control system, PLC control system, video monitoring system, fire control and fire control
  • the system and the coal handling control system are connected with the network server, the network server is connected with the 5G switch through the Internet network, and the mobile client is connected with the 5G switch through the 5G communication base station and the 5G wireless network.
  • the air film internal pressure monitoring device, the air quality monitoring device, the outdoor anemometer, the outdoor snow load monitoring device, the blower control device and the exhaust valve control device are connected with the PLC control system through the field bus.
  • PLC control system video monitoring system, fire control and fire control system and coal handling control system are connected with network server through bus network.
  • the data in the PLC control system, the video monitoring system, the fire control and fire control system, and the coal handling control system are sent to the network server, and then the data is sent to the network server.
  • the Internet network, 5G switch, 5G wireless network, and 5G communication base station it is sent to the mobile client to realize remote and mobile monitoring of the gas film coal yard data, and finally realize the organic combination of high-speed 5G communication, high reliability, security and high-quality intelligent control. Integration, to solve the problem of high reliability and high-speed mobile integration of gas-film coal yard.
  • FIG. 1 is a schematic structural diagram of the present invention.
  • 1 is the gas film coal yard
  • 2 is the gas film internal pressure monitoring device
  • 3 is the air quality monitoring device
  • 4 is the outdoor anemometer
  • 5 is the outdoor snow load monitoring device
  • 6 is the blower control device
  • 7 is the exhaust valve.
  • Control device, 8 is field bus
  • 9 is PLC control system
  • 10 is video monitoring system
  • 11 is fire fighting and fire control system
  • 12 is coal handling control system
  • 13 is bus network
  • 14 is network server
  • 15 is Internet network
  • 16 is a 5G switch
  • 17 is a 5G communication base station
  • 18 is a 5G wireless network
  • 19 is a mobile client.
  • the mobile monitoring system for a gas-film enclosed coal yard based on 5G technology includes a gas-film coal yard 1, a PLC control system 9, a network server 14, an Internet network 15, a 5G switch 16, a mobile client 19, 5G communication base station 17, 5G wireless network 18, video surveillance system 10 for video monitoring of equipment in gas-film coal yard 1, fire fighting and fire control for controlling fire-fighting and fire equipment in gas-film coal yard 1 System 11.
  • a gas-film internal pressure monitoring device for detecting the internal pressure of the gas-film coal yard 1.
  • An air quality monitoring device for detecting the air quality in the gas-film coal yard 1. 3.
  • the outdoor anemometer 4 For detecting the wind speed outside the gas-film coal yard 1
  • Airtight valve exhaust valve control device 7 and coal conveying control system 12 for controlling coal conveying device in gas film coal yard 1; gas film internal pressure monitoring device 2, air quality monitoring device 3, outdoor anemometer 4, outdoor Snow load monitoring device 5, blower control device 6 and exhaust valve control device 7 are connected with PLC control system 9, PLC control system 9, video monitoring system 10, fire and fire control system 11 and coal handling control system 12 and network server 14 is connected, the network server 14 is connected to the 5G switch 16 through the Internet network 15 , and the mobile client 19 is connected to the 5G switch 16 through the 5G communication base station 17 and the 5G wireless network 18 .
  • the air film internal pressure monitoring device 2 , the air quality monitoring device 3 , the outdoor anemometer 4 , the outdoor snow load monitoring device 5 , the blower control device 6 and the exhaust valve control device 7 are connected to the PLC control system 9 through the field bus 8 Connections;
  • PLC control system 9 , video monitoring system 10 , fire control and fire control system 11 and coal handling control system 12 are connected to network server 14 through bus network 13 .
  • the concrete working process of the present invention is:
  • the operation control of the air film is realized by the PLC control system 9.
  • the air film internal pressure monitoring device 2 and the air quality monitoring device 3 are installed in the air film coal yard 1, and the outdoor anemometer 4 and the outdoor snow load are installed outside the air film coal yard 1.
  • the monitoring device 5, the air film internal pressure monitoring device 2, the air quality monitoring device 3, the outdoor anemometer 4 and the outdoor snow load monitoring device 5 transmit the monitoring data to the PLC control system 9 through the field bus 8, and the PLC control system 9 analyzes the data Calculate the blowing volume, and determine the number of starting blowers at the same time, and then control the number and blowing volume of the blowers to be started through the blower control device 6, and control the internal pressure of the air film through the exhaust valve control device 7, so as to realize the basic control of the operation of the air film.
  • the air quality monitoring device 3 includes a gas concentration sensor, a dust concentration sensor, a gas concentration sensor and an air quality sensor.
  • the PLC control system 9 passes through.
  • the exhaust valve control device 7 controls the airtight valve of the air film to automatically open, and the internal dangerous gas and dust are automatically discharged to the outside through the exhaust hole.
  • the internal pressure value when the internal gas concentration is reduced to a safe value, the airtight valve is closed to maintain the pressure value inside the gas film, at this time, the air supply volume of the blower is reduced and energy consumption is saved.
  • the video monitoring system 10 is a digital industrial closed-circuit television monitoring system, which is used to monitor the working conditions of the bucket turbines and the entire closed coal yard without dead ends. Specifically, video monitoring is performed by installing cameras in the coal yard entry and exit passages, control rooms and surrounding roads. , the video signal is connected with the network server 14 through the optical transceiver and the bus network 13, and can be connected with the industrial TV system of the whole factory at the same time, and displayed on the LCD display terminal in the coal handling control room.
  • the fire fighting and fire control system 11 includes a coal yard fire alarm system for automatic detection and alarming of fires in the protection area, and a fire water cannon fire extinguishing system, a gas detection system, a coal yard infrared thermal imaging system and a belt prepared with a closed coal yard at the same time.
  • the open-fire coal detection system is linked to fire fighting, realizing linkage with the fire-fighting water cannon fire-extinguishing system.
  • the coal yard fire alarm system is composed of a fire alarm controller, acousto-optic alarm, manual alarm button, control module and infrared beam smoke detector.
  • the fire control system 11 is connected to the network server 14 through the bus network 13 .
  • the coal conveying control system 12 is the core system for the control of the coal conveying process in the coal yard, and is used to adjust the bucket turbine, the belt, the coal loading point, the coal stacking point and the coal blending method according to the requirements of the boiler burner unit.
  • the PLC control system 9, video monitoring system 10, fire protection and fire control system 11, and coal handling control system 12 can all realize 24-hour unmanned monitoring, fully automatic operation, and remote operation monitoring to ensure safe production.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Alarm Systems (AREA)

Abstract

一种基于5G技术的气膜封闭煤场移动监控系统，包括气膜煤场（1）、PLC控制系统（9）、网络服务器（14）、Internet网络（15）、5G交换机（16）、移动客户端（19）、5G通讯基站（17）、5G无线网络（18）、视频监控系统（10）、消防及火灾控制系统（11）、气膜内压监测装置（2）、空气质量监测装置（3）、室外风速仪（4）、室外雪载监测装置（5）、鼓风机控制装置（6）、排气阀控制装置（7）及输煤控制系统（12），该系统实现气膜煤场数据的远程、移动监控。

Description

一种基于5G技术的气膜封闭煤场移动监控系统 技术领域
本发明属于火电机组煤场自动化及技术领域，涉及一种基于5G技术的气膜封闭煤场移动监控系统。
背景技术
随着煤场全封闭改造工程在火电厂的实施，封闭煤场的运行控制也逐步收到重视。目前，国内火电机组已经完成和正在实施的煤场全封闭改造项目，绝大部分以满足环保部门要求为目标，全封闭改造后，煤场内环境变差，相比火电厂主机控制系统，煤场的运行控制重视程度较低，对控制系统投资较少，手段相对落后，不能适应现代化火电机组的运行要求。特别是气膜封闭煤场，需要监测的数据更多，而现有系统大部分相互割裂，缺乏协调控制机制，气膜封闭煤场的PLC运行控制系统、视频监控系统、消防及火灾报警控制系统、输煤控制系统一般都是不同的公司设计供货，相互独立，给统一监控造成了很大的困难，更无法实现现代5G通讯条件下的远程控制。
发明内容
本发明的目的在于克服上述现有技术的缺点，提供了一种基于5G技术的气膜封闭煤场移动监控系统，该系统实现气膜煤场数据的远程、移动监控。
为达到上述目的，本发明所述的基于5G技术的气膜封闭煤场移动监控系统包括气膜煤场、PLC控制系统、网络服务器、Internet网络、5G 交换机、移动客户端、5G通讯基站、5G无线网络、用于对气膜煤场内的设备进行视频监控的视频监控系统、用于对气膜煤场中消防及火灾设备进行控制的消防及火灾控制系统、用于检测气膜煤场内压的气膜内压监测装置、用于检测气膜煤场内空气质量的空气质量监测装置、用于检测气膜煤场外风速的室外风速仪、用于检测气膜煤场顶部雪载荷的室外雪载监测装置、用于控制气膜煤场内鼓风机的鼓风机控制装置、用于控制气膜煤场上气密阀的排气阀控制装置及用于控制气膜煤场内输煤装置的输煤控制系统；
气膜内压监测装置、空气质量监测装置、室外风速仪、室外雪载监测装置、鼓风机控制装置及排气阀控制装置与PLC控制系统相连接，PLC控制系统、视频监控系统、消防及火灾控制系统及输煤控制系统与网络服务器相连接，网络服务器通过Internet网络与5G交换机相连接，移动客户端通过5G通讯基站及5G无线网络与5G交换机相连接。
气膜内压监测装置、空气质量监测装置、室外风速仪、室外雪载监测装置、鼓风机控制装置及排气阀控制装置通过现场总线与PLC控制系统相连接。
PLC控制系统、视频监控系统、消防及火灾控制系统及输煤控制系统通过总线网络与网络服务器相连接。
本发明具有以下有益效果：
本发明所述的基于5G技术的气膜封闭煤场移动监控系统在具体操作时，PLC控制系统、视频监控系统、消防及火灾控制系统及输煤控制系统中的数据送入网络服务器中，再通过Internet网络、5G交换机、5G 无线网络、5G通讯基站送入移动客户端中，以实现气膜煤场数据的远程、移动监控，最终实现高速5G通讯、高可靠安全和高品质智能控制的有机融合，解决气膜煤场高可靠与高速移动融合的难题。
附图说明
图1为本发明的结构示意图。
其中，1为气膜煤场、2为气膜内压监测装置、3为空气质量监测装置、4为室外风速仪、5为室外雪载监测装置、6为鼓风机控制装置、7为排气阀控制装置、8为现场总线、9为PLC控制系统、10为视频监控系统、11为消防及火灾控制系统、12为输煤控制系统、13为总线网络、14为网络服务器、15为Internet网络、16为5G交换机、17为5G通讯基站、18为5G无线网络、19为移动客户端。
具体实施方式
下面结合附图对本发明做进一步详细描述：
参考图1，本发明所述的基于5G技术的气膜封闭煤场移动监控系统包括气膜煤场1、PLC控制系统9、网络服务器14、Internet网络15、5G交换机16、移动客户端19、5G通讯基站17、5G无线网络18、用于对气膜煤场1内的设备进行视频监控的视频监控系统10、用于对气膜煤场1中消防及火灾设备进行控制的消防及火灾控制系统11、用于检测气膜煤场1内压的气膜内压监测装置2、用于检测气膜煤场1内空气质量的空气质量监测装置3、用于检测气膜煤场1外风速的室外风速仪4、用于检测气膜煤场1顶部雪载荷的室外雪载监测装置5、用于控制气膜煤场1内鼓风机的鼓风机控制装置6、用于控制气膜煤场1上气密阀的排气阀 控制装置7及用于控制气膜煤场1内输煤装置的输煤控制系统12；气膜内压监测装置2、空气质量监测装置3、室外风速仪4、室外雪载监测装置5、鼓风机控制装置6及排气阀控制装置7与PLC控制系统9相连接，PLC控制系统9、视频监控系统10、消防及火灾控制系统11及输煤控制系统12与网络服务器14相连接，网络服务器14通过Internet网络15与5G交换机16相连接，移动客户端19通过5G通讯基站17及5G无线网络18与5G交换机16相连接。
具体的，气膜内压监测装置2、空气质量监测装置3、室外风速仪4、室外雪载监测装置5、鼓风机控制装置6及排气阀控制装置7通过现场总线8与PLC控制系统9相连接；PLC控制系统9、视频监控系统10、消防及火灾控制系统11及输煤控制系统12通过总线网络13与网络服务器14相连接。
本发明的具体工作过程为：
通过PLC控制系统9实现气膜的运行控制，气膜煤场1内安装有气膜内压监测装置2、空气质量监测装置3，气膜煤场1外安装有室外风速仪4及室外雪载监测装置5，气膜内压监测装置2、空气质量监测装置3、室外风速仪4及室外雪载监测装置5通过现场总线8将监测数据传送到PLC控制系统9中，PLC控制系统9数据分析计算鼓风量，同时确定启动鼓风机的数量，然后通过鼓风机控制装置6控制启动的鼓风机数目及鼓风量，通过排气阀控制装置7对气膜内压进行控制，实现对气膜运行的基本控制。
空气质量监测装置3包括煤气浓度传感器、粉尘浓度传感器、瓦斯 浓度传感器及空气质量感应器，在工作时，当气膜内的瓦斯浓度达到设定的值(3％)后，PLC控制系统9通过排气阀控制装置7控制气膜的气密阀自动打开，内部危险气体、灰尘通过排气孔自动排放到场外，这时为保持场馆内部的压力值，增大鼓风机的送风量，以保持内部的压力值，当内部瓦斯气体浓度降低到安全值内时，气密阀关闭，保持气膜内部的压力值，这时降低鼓风机的送风量，节省能耗。
视频监控系统10为数字化工业闭路电视监视系统，用于对斗轮机工作情况及整个封闭煤场内进行无死角监视，具体的，通过在煤场进出通道、控制室及周边道路安装摄像头进行视频监控，视频信号通过光端机及总线网络13与网络服务器14相连，并可同时与全厂工业电视系统连接，在输煤控制室LCD显示器终端显示。
消防及火灾控制系统11包括用于对防护区域内火灾进行自动检测报警的煤场火灾报警系统，同时与封闭煤场配制的消防水炮灭火系统、气体检测系统、煤场红外热成像系统及皮带明火煤检测系统进行消防联动，实现与消防水炮灭火系统联动，煤场火灾报警系统由火灾报警控制器、声光报警器、手动报警按钮、控制模块及红外光束感烟探测器组成，消防及火灾控制系统11通过总线网络13与网络服务器14相连。
输煤控制系统12为煤场输煤工艺控制的核心系统，用于对斗轮机、皮带、上煤点、堆煤点及配煤方式根据锅炉燃烧机机组符合要求进行调整。
PLC控制系统9、视频监控系统10、消防及火灾控制系统11、输煤控制系统12均可实现24小时无人监控，全自动运转，同时实现远程操 作监控，保证安全生产。

Claims (3)

  1. 一种基于5G技术的气膜封闭煤场移动监控系统，其特征在于，包括气膜煤场(1)、PLC控制系统(9)、网络服务器(14)、Internet网络(15)、5G交换机(16)、移动客户端(19)、5G通讯基站(17)、5G无线网络(18)、用于对气膜煤场(1)内的设备进行视频监控的视频监控系统(10)、用于对气膜煤场(1)中消防及火灾设备进行控制的消防及火灾控制系统(11)、用于检测气膜煤场(1)内压的气膜内压监测装置(2)、用于检测气膜煤场(1)内空气质量的空气质量监测装置(3)、用于检测气膜煤场(1)外风速的室外风速仪(4)、用于检测气膜煤场(1)顶部雪载荷的室外雪载监测装置(5)、用于控制气膜煤场(1)内鼓风机的鼓风机控制装置(6)、用于控制气膜煤场(1)上气密阀的排气阀控制装置(7)及用于控制气膜煤场(1)内输煤装置的输煤控制系统(12)；
    气膜内压监测装置(2)、空气质量监测装置(3)、室外风速仪(4)、室外雪载监测装置(5)、鼓风机控制装置(6)及排气阀控制装置(7)与PLC控制系统(9)相连接，PLC控制系统(9)、视频监控系统(10)、消防及火灾控制系统(11)及输煤控制系统(12)与网络服务器(14)相连接，网络服务器(14)通过Internet网络(15)与5G交换机(16)相连接，移动客户端(19)通过5G通讯基站(17)及5G无线网络(18)与5G交换机(16)相连接。
  2. 根据权利要求1所述的基于5G技术的气膜封闭煤场移动监控系统，其特征在于，气膜内压监测装置(2)、空气质量监测装置(3)、室外风速仪(4)、室外雪载监测装置(5)、鼓风机控制装置(6)及排气阀控制装置(7)通过现场总线(8)与PLC控制系统(9)相连接。
  3. 根据权利要求1所述的基于5G技术的气膜封闭煤场移动监控系统， 其特征在于，PLC控制系统(9)、视频监控系统(10)、消防及火灾控制系统(11)及输煤控制系统(12)通过总线网络(13)与网络服务器(14)相连接。
PCT/CN2020/128806 2020-09-28 2020-11-13 一种基于5g技术的气膜封闭煤场移动监控系统 WO2022062126A1 (zh)

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