CN109116793B - An environmental monitoring system for power tunnels - Google Patents

An environmental monitoring system for power tunnels Download PDF

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Publication number
CN109116793B
CN109116793B CN201810968519.7A CN201810968519A CN109116793B CN 109116793 B CN109116793 B CN 109116793B CN 201810968519 A CN201810968519 A CN 201810968519A CN 109116793 B CN109116793 B CN 109116793B
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detection unit
control unit
power tunnel
corresponding area
network
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CN109116793A (en
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程凯
封其彩
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Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Xiangshui Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
State Grid Corp of China SGCC
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Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Xiangshui Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
State Grid Corp of China SGCC
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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
    • G05B19/048—Monitoring; Safety

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The invention provides an environment monitoring system for an electric power tunnel, which comprises an upper monitoring host, a remote monitoring terminal, a comprehensive monitoring network, an optical fiber ring network, a plurality of network switches and a plurality of area control units, wherein each area control unit comprises an SF6 gas leakage detection unit, a harmful gas detection unit, an air oxygen content detection unit, a temperature detection unit, a humidity detection unit and a water level detection unit. The system comprehensively grasps the water level and gas condition in the tunnel, timely discovers water accumulation and external water seepage, timely discovers the position of hidden danger points, water level numerical value, gas component content and the like through water level and gas monitoring and alarming, reports and records original data, and simultaneously has a fan and water pump control function, and when SF6 gas, other harmful gas content, water accumulation condition and environment temperature and humidity in the tunnel exceed certain standards, the ventilation and drainage device is automatically started to ventilate and drain water.

Description

Environment monitoring system for electric power tunnel
Technical Field
The invention belongs to the technical field of tunnel monitoring, and particularly relates to an environment monitoring system for an electric power tunnel.
Background
Although the extra-high voltage GIL has been applied in the transformer substation, there has not been a study on the aspects related to the safety protection monitoring control of the extra-high voltage GIL tunnel. Currently, the online monitoring of the GIL in use is limited to the online monitoring of short-distance GIL in a transformer substation, and for the application examples of the short-distance GIL which are arranged in a river bottom tunnel and are not mature and complete, which online monitoring means are needed to be used, how each monitoring is arranged, and the linkage among all monitoring systems needs to be further researched and determined.
The method is characterized in that the method comprises the steps of firstly, carrying out a network, integrating and digitizing on the basis of the construction of a complete comprehensive monitoring system, and carrying out the network, integrating and digitizing on the basis of the construction of the complete comprehensive monitoring system on all mutually independent real-time on-line monitoring systems in the GIL pipe gallery tunnel and a ground docking station, wherein the ventilation mode of the GIL pipe gallery is greatly different from that of a highway and a subway, and the GIL safety protection monitoring system monitors the GIL pipe gallery and equipment, and does not simply set related auxiliary equipment according to functional requirements to respectively complete corresponding monitoring and control functions.
Disclosure of Invention
The system comprehensively grasps the water level and gas condition in the tunnel, timely discovers water accumulation and external water seepage, timely discovers the position of hidden danger points, water level numerical value, gas component content and the like through water level and gas monitoring and alarming, reports and records original data, and simultaneously has a fan and water pump control function, and when SF6 gas, other harmful gas content, water accumulation condition and environment temperature and humidity in the tunnel exceed certain standards, the ventilation and drainage device is automatically started to ventilate and drain water.
The invention particularly relates to an environment monitoring system for an electric power tunnel, which comprises an upper monitoring host, a remote monitoring terminal, a comprehensive monitoring network, an optical fiber ring network, a plurality of network switches and a plurality of regional control units, wherein each network switch is connected to one regional control unit, the network switches are connected with each other through the optical fiber ring network and finally connected to the comprehensive monitoring network, the upper monitoring host and the remote monitoring terminal are connected to the comprehensive monitoring network, the upper monitoring host is also connected with an alarm module, each regional control unit is connected to a data acquisition module, a fan, a water pump and a power supply module, each power supply module provides power for the corresponding regional control unit, the data acquisition module comprises an SF6 gas leakage detection unit, a harmful gas detection unit, an air oxygen content detection unit, a temperature detection unit, a humidity detection unit and a water level detection unit, the SF6 gas leakage detection unit is used for detecting whether SF6 gas leakage exists in the electric power tunnel or not, the harmful gas detection unit is used for detecting whether carbon monoxide, hydrogen sulfide gas exists in the electric power tunnel or not, the harmful gas content and the oxygen content and the humidity content of oxygen content and the humidity content of the electric power tunnel are respectively transmitted to the temperature detection unit, the oxygen content and the humidity detection unit in the electric power tunnel, the oxygen content and the humidity detection unit are respectively connected to the temperature detection unit, the upper monitoring host displays the detected environment information of the electric power tunnel in real time, judges whether the related information is in a set range, if the related information is out of the set range, gives an alarm through the alarm device, gives a control instruction to the regional control unit through the comprehensive monitoring network and the optical fiber ring network, and starts a fan or a water pump through the regional control unit so as to realize ventilation or drainage in the electric power tunnel.
Further, the power supply module is a UPS uninterrupted power supply near the regional control unit.
Further, each area control unit is connected with a GPS positioning instrument.
Further, when the SF6 gas leakage detection unit detects that SF6 gas leakage exists in the electric power tunnel, the upper monitoring host displays the detected SF6 gas leakage condition and the position information of the corresponding area control unit in real time, an alarm is sent out through the alarm device, a control instruction is issued to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit starts a corresponding fan to realize ventilation of the corresponding area in the electric power tunnel.
Further, when the harmful gas detection unit detects that the content of carbon monoxide and hydrogen sulfide harmful gas in the electric power tunnel exceeds a set value, the upper monitoring host displays the content of the detected carbon monoxide and hydrogen sulfide harmful gas and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, and gives a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit starts a corresponding fan to realize ventilation of the corresponding area in the electric power tunnel.
Further, when the air oxygen content detection unit detects that the oxygen content in the air in the electric power tunnel is lower than a set value, the upper monitoring host displays the detected oxygen content in the air in the electric power tunnel and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, and gives a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit starts a corresponding fan to realize ventilation of the corresponding area in the electric power tunnel.
Further, when the temperature detection unit detects that the temperature in the electric power tunnel is higher than the set value, the upper monitoring host displays the detected temperature value in the electric power tunnel and the position information of the corresponding area control unit in real time, sends an alarm through the alarm device, sends a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and starts a corresponding fan to blow by the corresponding area control unit so as to reduce the temperature of the corresponding area in the electric power tunnel.
Further, when the humidity detection unit detects that the humidity in the electric power tunnel is higher than the set value, the upper monitoring host displays the detected humidity value in the electric power tunnel and the position information of the corresponding area control unit in real time, sends an alarm through the alarm device, sends a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and starts a corresponding fan to blow by the corresponding area control unit so as to reduce the humidity of the corresponding area in the electric power tunnel.
Further, when the water level detection unit detects that the water level in the electric power tunnel is higher than the set value, the upper monitoring host displays the detected water level value in the electric power tunnel and the position information of the corresponding area control unit in real time, sends an alarm through the alarm device, gives a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and starts the corresponding water pump and the corresponding fan to drain and ventilate so as to reduce the water level of the corresponding area in the electric power tunnel as soon as possible.
Drawings
Fig. 1 is a schematic structural diagram of an environment monitoring system for a power tunnel according to the present invention.
Detailed Description
A specific embodiment of an environment monitoring system for a power tunnel according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the environment monitoring system for the electric power tunnel of the present invention includes an upper monitoring host, a remote monitoring terminal, a comprehensive monitoring network, an optical fiber ring network, a plurality of network switches and a plurality of area control units, wherein each network switch is connected to one area control unit; the network switches are connected with each other through an optical fiber ring network and finally connected to the comprehensive monitoring network, the upper monitoring host and the remote monitoring terminal are both connected to the comprehensive monitoring network, the upper monitoring host is also connected with an alarm module, each area control unit is connected to a data acquisition module, a fan, a water pump and a power supply module, each power supply module provides power for the corresponding area control unit, the data acquisition module comprises an SF6 gas leakage detection unit, a harmful gas detection unit, an air oxygen content detection unit, a temperature detection unit, a humidity detection unit and a water level detection unit, the SF6 gas leakage detection unit is used for detecting whether SF6 gas leaks in a power tunnel or not, the harmful gas detection unit is used for detecting whether carbon monoxide, hydrogen sulfide harmful gas and harmful gas exist in the power tunnel, the air oxygen content detection unit is used for detecting the oxygen content in the air in the power tunnel, the temperature detection unit, the humidity detection unit and the water level detection unit detect the temperature, the humidity and the water level in the power tunnel respectively, the SF6 gas leakage detection unit, the oxygen content detection unit, the harmful gas detection unit, the air oxygen content detection unit, the air content detection unit, the humidity detection unit and the humidity detection unit are respectively transmitted to the comprehensive monitoring network through the upper monitoring network, the upper monitoring host displays the detected environment information of the electric power tunnel in real time, judges whether the related information is in a set range, if the related information is out of the set range, gives an alarm through the alarm device, gives a control instruction to the regional control unit through the comprehensive monitoring network and the optical fiber ring network, and starts a fan or a water pump through the regional control unit so as to realize ventilation or drainage in the electric power tunnel.
The power supply module is a UPS uninterrupted power supply near the regional control unit. Each area control unit is connected with a GPS positioning instrument.
When the SF6 gas leakage detection unit detects that SF6 gas leakage exists in the electric power tunnel, the upper monitoring host displays the detected SF6 gas leakage condition and the position information of the corresponding area control unit in real time, an alarm is sent out through the alarm device, a control instruction is issued to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit starts a corresponding fan to realize ventilation of the corresponding area in the electric power tunnel.
When the harmful gas detection unit detects that the content of carbon monoxide and hydrogen sulfide harmful gas in the electric power tunnel exceeds a set value, the upper monitoring host displays the content of the detected carbon monoxide and hydrogen sulfide harmful gas and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, and sends out a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit starts a corresponding fan to realize ventilation of the corresponding area in the electric power tunnel.
When the oxygen content detection unit of the air detects that the oxygen content in the air in the electric power tunnel is lower than a set value, the upper monitoring host displays the detected oxygen content in the air in the electric power tunnel and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, and sends out a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit starts a corresponding fan to realize ventilation of the corresponding area in the electric power tunnel.
When the temperature detection unit detects that the temperature in the electric power tunnel is higher than a set value, the upper monitoring host displays the detected temperature value in the electric power tunnel and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, gives a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and starts a corresponding fan to blow by the corresponding area control unit so as to reduce the temperature of the corresponding area in the electric power tunnel.
When the humidity detection unit detects that the humidity in the electric power tunnel is higher than a set value, the upper monitoring host displays the detected humidity value in the electric power tunnel and the position information of the corresponding area control unit in real time, sends an alarm through the alarm device, sends a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and starts a corresponding fan to blow by the corresponding area control unit so as to reduce the humidity of the corresponding area in the electric power tunnel.
When the water level detection unit detects that the water level in the electric power tunnel is higher than a set value, the upper monitoring host displays the detected water level value in the electric power tunnel and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, gives a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and starts the corresponding water pump and the corresponding fan to drain and ventilate so as to reduce the water level of the corresponding area in the electric power tunnel as soon as possible.
Finally, it should be noted that the above-mentioned embodiments are merely illustrative of the technical solution of the invention and not limiting thereof. It will be understood by those skilled in the art that modifications and equivalents may be made to the particular embodiments of the invention, which are within the scope of the claims appended hereto.

Claims (6)

1.一种用于电力隧道的环境监控系统，其特征在于，所述用于电力隧道的环境监控系统包括上位监控主机、远程监控终端、综合监测网络、光纤环网、多个网络交换机以及多个区域控制单元，每个网络交换机均连接到一个区域控制单元；网络交换机之间通过光纤环网相互连接，并最终连接到所述综合监测网络；所述上位监控主机和所述远程监控终端均连接到所述综合监测网络，所述上位监控主机还连接有报警模块；每个区域控制单元均连接到数据采集模块、风机、水泵和电源供应模块，每个电源供应模块为相应的区域控制单元提供电源；所述数据采集模块包括SF6气体泄漏检测单元、有害气体检测单元、空气含氧量检测单元、温度检测单元、湿度检测单元和水位检测单元；1. An environmental monitoring system for a power tunnel, characterized in that the environmental monitoring system for a power tunnel comprises an upper monitoring host, a remote monitoring terminal, an integrated monitoring network, an optical fiber ring network, a plurality of network switches and a plurality of regional control units, each of which is connected to a regional control unit; the network switches are interconnected through an optical fiber ring network and are ultimately connected to the integrated monitoring network; the upper monitoring host and the remote monitoring terminal are both connected to the integrated monitoring network, and the upper monitoring host is also connected to an alarm module; each regional control unit is connected to a data acquisition module, a fan, a water pump and a power supply module, and each power supply module provides power for a corresponding regional control unit; the data acquisition module comprises an SF6 gas leakage detection unit, a harmful gas detection unit, an air oxygen content detection unit, a temperature detection unit, a humidity detection unit and a water level detection unit; 所述SF6气体泄漏检测单元用于检测电力隧道内有无SF6气体泄漏，所述有害气体检测单元用于检测电力隧道内是否存在一氧化碳、硫化氢有害气体以及有害气体的含量，所述空气含氧量检测单元用于检测电力隧道内空气中的氧气含量，温度检测单元、湿度检测单元和水位检测单元分别对电力隧道内的温度、湿度和水位进行检测；SF6气体泄漏检测单元、有害气体检测单元、空气含氧量检测单元、温度检测单元、湿度检测单元和水位检测单元将检测到的电力隧道环境信息通过综合监测网络上传至所述上位监控主机，所述上位监控主机对检测到的电力隧道环境信息进行实时显示，并判断相关信息是否在设定范围内，若超出设定范围，则通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令给区域控制单元，由所述区域控制单元开启风机或水泵，以实现电力隧道内的换气或排水；The SF6 gas leakage detection unit is used to detect whether there is SF6 gas leakage in the power tunnel, the harmful gas detection unit is used to detect whether there are carbon monoxide and hydrogen sulfide harmful gases in the power tunnel and the content of harmful gases, the air oxygen content detection unit is used to detect the oxygen content in the air in the power tunnel, and the temperature detection unit, the humidity detection unit and the water level detection unit detect the temperature, humidity and water level in the power tunnel respectively; the SF6 gas leakage detection unit, the harmful gas detection unit, the air oxygen content detection unit, the temperature detection unit, the humidity detection unit and the water level detection unit upload the detected power tunnel environment information to the upper monitoring host through the comprehensive monitoring network, and the upper monitoring host displays the detected power tunnel environment information in real time, and determines whether the relevant information is within the set range. If it exceeds the set range, an alarm is issued through the alarm device, and a control instruction is issued to the regional control unit through the comprehensive monitoring network and the optical fiber ring network, and the regional control unit turns on the fan or water pump to realize ventilation or drainage in the power tunnel; 所述电源供应模块为区域控制单元附近的UPS不间断电源；每个区域控制单元均连接有GPS定位仪；当SF6气体泄漏检测单元检测到电力隧道内存在SF6气体泄漏时，所述上位监控主机对检测到的SF6气体泄漏情况和相应区域控制单元的位置信息进行实时显示，通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令至相应区域控制单元，由相应区域控制单元开启相应的风机以实现电力隧道内相应区域的通风换气。The power supply module is a UPS uninterruptible power supply near the regional control unit; each regional control unit is connected to a GPS locator; when the SF6 gas leakage detection unit detects SF6 gas leakage in the power tunnel, the upper monitoring host displays the detected SF6 gas leakage and the location information of the corresponding regional control unit in real time, sends out an alarm through the alarm device, and issues control instructions to the corresponding regional control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding regional control unit turns on the corresponding fan to realize ventilation in the corresponding area of the power tunnel. 2.根据权利要求1所述的一种用于电力隧道的环境监控系统，其特征在于，当有害气体检测单元检测到电力隧道内一氧化碳、硫化氢有害气体的含量超过设定值时，所述上位监控主机对检测到的一氧化碳、硫化氢有害气体含量和相应区域控制单元的位置信息进行实时显示，通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令至相应区域控制单元，由相应区域控制单元开启相应的风机以实现电力隧道内相应区域的通风换气。2. An environmental monitoring system for a power tunnel according to claim 1, characterized in that when the harmful gas detection unit detects that the content of carbon monoxide and hydrogen sulfide harmful gases in the power tunnel exceeds the set value, the upper monitoring host displays the detected carbon monoxide and hydrogen sulfide harmful gas content and the location information of the corresponding area control unit in real time, sends out an alarm through the alarm device, and issues control instructions to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit turns on the corresponding fan to realize ventilation of the corresponding area in the power tunnel. 3.根据权利要求1所述的一种用于电力隧道的环境监控系统，其特征在于，当空气含氧量检测单元检测到电力隧道内空气中的氧气含量低于设定值时，所述上位监控主机对检测到的电力隧道内空气中的氧气含量和相应区域控制单元的位置信息进行实时显示，通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令至相应区域控制单元，由相应区域控制单元开启相应的风机以实现电力隧道内相应区域的通风换气。3. An environmental monitoring system for a power tunnel according to claim 1, characterized in that when the air oxygen content detection unit detects that the oxygen content in the air in the power tunnel is lower than the set value, the upper monitoring host displays the detected oxygen content in the air in the power tunnel and the position information of the corresponding area control unit in real time, sends out an alarm through the alarm device, and issues a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit turns on the corresponding fan to realize ventilation in the corresponding area of the power tunnel. 4.根据权利要求1所述的一种用于电力隧道的环境监控系统，其特征在于，当温度检测单元检测到电力隧道内的温度高于设定值时，所述上位监控主机对检测到的电力隧道内的温度值和相应区域控制单元的位置信息进行实时显示，通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令至相应区域控制单元，由相应区域控制单元开启相应的风机进行吹风以降低电力隧道内相应区域的温度。4. An environmental monitoring system for a power tunnel according to claim 1, characterized in that when the temperature detection unit detects that the temperature in the power tunnel is higher than the set value, the upper monitoring host displays the detected temperature value in the power tunnel and the location information of the corresponding area control unit in real time, sends an alarm through the alarm device, and issues a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit turns on the corresponding fan to blow air to reduce the temperature of the corresponding area in the power tunnel. 5.根据权利要求1所述的一种用于电力隧道的环境监控系统，其特征在于，当湿度检测单元检测到电力隧道内的湿度高于设定值时，所述上位监控主机对检测到的电力隧道内的湿度值和相应区域控制单元的位置信息进行实时显示，通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令至相应区域控制单元，由相应区域控制单元开启相应的风机进行吹风以降低电力隧道内相应区域的湿度。5. An environmental monitoring system for a power tunnel according to claim 1, characterized in that when the humidity detection unit detects that the humidity in the power tunnel is higher than the set value, the upper monitoring host displays the detected humidity value in the power tunnel and the position information of the corresponding area control unit in real time, sends an alarm through the alarm device, and issues a control instruction to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit turns on the corresponding fan to blow air to reduce the humidity in the corresponding area of the power tunnel. 6.根据权利要求1所述的一种用于电力隧道的环境监控系统，其特征在于，当水位检测单元检测到电力隧道内的水位高于设定值时，所述上位监控主机对检测到的电力隧道内的水位值和相应区域控制单元的位置信息进行实时显示，通过报警装置发出报警，并通过综合监测网络和光纤环网下达控制指令至相应区域控制单元，由相应区域控制单元开启相应的水泵和风机进行排水和通风以尽快降低电力隧道内相应区域的水位。6. An environmental monitoring system for a power tunnel according to claim 1, characterized in that when the water level detection unit detects that the water level in the power tunnel is higher than the set value, the upper monitoring host displays the detected water level value in the power tunnel and the position information of the corresponding area control unit in real time, sends an alarm through the alarm device, and issues control instructions to the corresponding area control unit through the comprehensive monitoring network and the optical fiber ring network, and the corresponding area control unit turns on the corresponding water pump and fan for drainage and ventilation to reduce the water level in the corresponding area of the power tunnel as soon as possible.
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