CN113220055A - Intelligent monitoring control system for driving tunnel gas - Google Patents
Intelligent monitoring control system for driving tunnel gas Download PDFInfo
- Publication number
- CN113220055A CN113220055A CN202110583628.9A CN202110583628A CN113220055A CN 113220055 A CN113220055 A CN 113220055A CN 202110583628 A CN202110583628 A CN 202110583628A CN 113220055 A CN113220055 A CN 113220055A
- Authority
- CN
- China
- Prior art keywords
- gas
- tunnel
- gas concentration
- control system
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Ventilation (AREA)
- Alarm Systems (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The intelligent monitoring and controlling system for the gas in the driving tunnel mainly solves the problem of intelligent monitoring and controlling of the gas concentration in the driving tunnel and comprises a gas concentration acquisition terminal, a ventilation equipment control system and a control platform; a plurality of groups of gas concentration acquisition terminals are respectively installed on two sides of a tunnel wall, and each gas concentration acquisition terminal comprises a harmful gas sensing probe, a PM2.5/PM10 sensing probe and a fire monitoring sensing probe; the installation distance of the gas concentration acquisition terminal is 80-120 m/group; a lora data transmission module and a 4G/5G wireless/Ethernet module are arranged on the acquisition terminal; a control system and a control platform are arranged on ventilation equipment in the tunnel; the gas concentration and fire hazard monitoring can be realized on line through various gas monitoring sensing probes; according to the current tunnel environment data, a potential safety hazard or a fire hazard can be given an alarm in time, and the control platform automatically starts the ventilation equipment, so that the aim of accurately and intelligently controlling the ventilation system is fulfilled.
Description
Technical Field
The invention relates to the field of tunnel gas monitoring equipment, mainly solves the problem of intelligent monitoring and control of gas concentration in a driving tunnel, and particularly relates to an intelligent monitoring and control system for gas in the driving tunnel.
Background
The driving tunnel plays a key role in the rapid development of the traffic transportation in China, however, how to manage the built tunnel for traffic is the key work of the tunnel traffic facility management department. Due to the particularity of the terrain, the geology and the structure of the tunnel, under the condition that no vehicle passes, various gases such as carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen dioxide, hydrogen sulfide, ammonia gas, gas and the like can be emitted in the tunnel; for a tunnel with a busy vehicle, a large amount of tail gas is discharged by a vehicle, particularly the tail gas discharged by a diesel vehicle, so that air in the tunnel is seriously polluted, and once the concentration of various gases reaches a certain peak value, particularly the concentration of gas exceeds a critical point, serious accident potential can be caused. If the tunnel management department opens the ventilation system for 24 hours, a large amount of resources are wasted, the failure occurrence frequency of the ventilation system is increased, and the service life of the ventilation system is shortened. Therefore, how to develop an intelligent monitoring and controlling system for tunnel gas is a problem which needs to be solved urgently by the tunnel traffic facility management department at present.
The system for monitoring the harmful gas in the cable tunnel disclosed by the comparison document CN202421166U is only used for monitoring the harmful gas in the cable tunnel, however, the harmful gas in the traffic tunnel is more complicated than the harmful gas in the traffic tunnel, and the configuration of monitoring facility equipment of the comparison document, in which a sensing unit of a configured monitoring terminal is provided with an ionic type smoke sensor, a CO sensor, a CH4 sensor, an O2 sensor and an H2S sensor, can not meet the requirements of monitoring environmental data such as harmful gas concentration, particulate matter concentration, temperature and humidity ratio and fire hazard which may be generated in the traffic tunnel in real time; the monitoring terminal of the comparison file is connected with the concentrator through a backward 485 or CAN bus, and only the monitoring terminal is wirelessly connected with the concentrator.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an intelligent monitoring and control system for tunnel gas during driving, a gas concentration acquisition terminal is arranged on the wall of a tunnel, a harmful gas sensing probe, an air quality sensing probe, a temperature and humidity sensing probe, a PM2.5/PM10 sensing probe and a fire monitoring sensing probe are arranged on the terminal, the terminal is connected with a control platform by adopting a lora data transmission module and a 4G/5G wireless/Ethernet module, the data are reported to the control platform in real time, the control platform is used for setting a threshold value according to the current environment data such as the harmful gas concentration, the particulate matter concentration, the temperature and humidity ratio, the fire hazard and the like in the tunnel, whether the potential safety hazard or the fire hazard exists or not and the maximum allowable concentration of the harmful gas related to the traffic industry and the tunnel, when the monitored data exceed the threshold value, the system sends an alarm signal in time, the control platform sends a gas harmful gas concentration standard exceeding instruction to the fan control system, dynamic setting of data acquisition time is achieved, gas concentration monitoring, fire hazard monitoring and temperature and humidity monitoring are conducted on line, and the purpose of accurately and intelligently controlling the ventilation system is achieved.
The invention is realized by the following technical scheme:
a be used for driving tunnel gas intelligent monitoring control system which characterized in that: the system comprises a gas concentration acquisition terminal, a ventilation equipment control system and a control platform; a plurality of groups of gas concentration acquisition terminals are respectively installed at the positions, 1.8-2m away from the ground, of two sides of the tunnel wall, wherein the gas concentration acquisition terminals comprise a harmful gas sensing probe, an air quality sensing probe, a temperature and humidity sensing probe, a PM2.5/PM10 sensing probe, a fire monitoring sensing probe and a lora data transmission module; the installation distance of the gas concentration acquisition terminals is 80-120 m/group; a lora data transmission module and a 4G/5G wireless/Ethernet module are arranged on the gas concentration acquisition terminal; arranging a ventilation equipment control system on ventilation equipment in the tunnel; the ventilation equipment control system is provided with a 4G/5G wireless/Ethernet communication module, and the control platform is arranged in a general dispatching room; a lora data transmission module +4G/5G wireless/Ethernet module arranged on the gas concentration acquisition terminal and a 4G/5G wireless/Ethernet communication module arranged on the ventilation equipment control system are respectively connected and matched with a control platform arranged in a general dispatching room;
utilize harmful gas perception probe, air quality perception probe, humiture perception probe, PM2.5 PM10 perception probe, fire monitoring perception probe that include in the gas concentration acquisition terminal, the harmful gas concentration that probably produces in the current position environment in the real-time supervision tunnel, particulate matter concentration, environmental data such as humiture ratio and fire hidden danger, in time collect control platform through lora data transmission module +4G 5G wireless/ethernet module, control platform sets up the threshold value according to the demand, when monitoring data surpass the threshold value, system automatic start ventilation equipment.
According to the driving tunnels with different geological conditions, the gas concentration acquisition terminal further comprises the following three types:
the I-type acquisition terminal comprises CH4, NH3 and an air quality sensing probe, is arranged at a position 5-5.5m away from the ground in a tunnel and is used for acquiring methane, ammonia gas, solid particles and smoke fire which have lower density than the average density of air and can float upwards.
The two types of acquisition terminals comprise an H2S and a CO sensing probe, are arranged at a position 1.8-2m high from the ground, are used for acquiring gas with the density close to the average density of air, and mainly detect the concentrations of hydrogen sulfide and carbon monoxide.
The three-type acquisition terminal comprises CO2, SO2 and NO2 sensing probes, is arranged at a position 0.2-0.3m away from the ground in a tunnel, is used for acquiring gas with the density larger than the average density of air, and mainly detects the concentrations of carbon dioxide, sulfur dioxide and nitrogen dioxide.
The beneficial effects of the invention are mainly shown in the following aspects:
according to the intelligent monitoring and control system for the gas in the driving tunnel, disclosed by the invention, various gas monitoring sensing probes are arranged, so that the dynamic setting of data acquisition time, the on-line gas concentration monitoring, the on-line fire hazard monitoring and the on-line temperature and humidity monitoring are realized.
According to the intelligent monitoring and control system for the gas in the driving tunnel, whether a potential safety hazard or a potential fire hazard exists or not is judged according to the current environmental data such as the concentration of harmful gas, the concentration of particulate matters, the temperature-humidity ratio, the potential fire hazard and the like in the tunnel, and an alarm signal is sent out in time.
And thirdly, the intelligent monitoring control system for the air in the driving tunnel sets a threshold value according to the requirement, and when the monitoring data exceeds the threshold value, the control platform automatically starts the ventilation equipment, so that the aim of accurately and intelligently controlling the ventilation system is fulfilled.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring control system according to the present invention.
The invention will be further explained with reference to the drawings.
Detailed Description
Intelligent monitoring control system for driving tunnel gas
The method is characterized in that: the system comprises a gas concentration acquisition terminal, a ventilation equipment control system and a control platform; a plurality of groups of gas concentration acquisition terminals are respectively installed at the positions, 1.8-2m away from the ground, of two sides of the tunnel wall, wherein the gas concentration acquisition terminals comprise a harmful gas sensing probe, an air quality sensing probe, a temperature and humidity sensing probe, a PM2.5/PM10 sensing probe, a fire monitoring sensing probe and a lora data transmission module; the installation distance of the gas concentration acquisition terminals is 80-120 m/group; a lora data transmission module and a 4G/5G wireless/Ethernet module are arranged on the gas concentration acquisition terminal; arranging a ventilation equipment control system on ventilation equipment in the tunnel, wherein the ventilation equipment control system is provided with a 4G/5G wireless/Ethernet communication module, and the control platform is arranged in a general dispatching room; a lora data transmission module +4G/5G wireless/Ethernet module arranged on the gas concentration acquisition terminal and a 4G/5G wireless/Ethernet communication module arranged on the ventilation equipment control system are respectively connected and matched with a control platform arranged in a general dispatching room;
utilize harmful gas perception probe, air quality perception probe, humiture perception probe, PM2.5 PM10 perception probe, fire monitoring perception probe that include in the gas concentration acquisition terminal, the harmful gas concentration that probably produces in the current position environment in the real-time supervision tunnel, particulate matter concentration, environmental data such as humiture ratio and fire hidden danger, in time collect control platform through lora data transmission module +4G 5G wireless/ethernet module, control platform sets up the threshold value according to the demand, when monitoring data surpass the threshold value, system automatic start ventilation equipment.
According to the driving tunnels with different geological conditions, the gas concentration acquisition terminal further comprises the following three types:
as shown in figure 1, the acquisition terminal comprises CH4, NH3 and an air quality sensing probe, is arranged in a position 5-5.5m away from the ground in a tunnel and is used for acquiring methane, ammonia gas, solid particles and smoke fire which have lower density than the average density of air and can float upwards.
As shown in figure 1, the two types of collecting terminals comprise an H2S and a CO sensing probe, and are installed at a position 1.8-2m high from the ground, and are used for collecting gas with the density close to the average density of air, mainly for detecting the concentrations of hydrogen sulfide and carbon monoxide.
As shown in figure 1, the three-type acquisition terminal comprises a CO2, SO2 and NO2 sensing probe, is arranged at a position 0.2-0.3m away from the ground in a tunnel and is used for acquiring gas with density higher than the average density of air, and mainly detects the concentrations of carbon dioxide, sulfur dioxide and nitrogen dioxide.
Fig. 1 shows, through harmful gas perception probe, air quality perception probe, humiture perception probe, PM2.5/PM10 perception probe, fire monitoring perception probe + lora data transmission, integrated collection module +4G/5G wireless/ethernet, report to control platform in real time, control platform is again according to various gas concentration threshold values in the current tunnel, in time send alarm signal, also can set up the threshold value according to the demand, when monitoring data surpassed the threshold value, control platform automatic start ventilation equipment.
Wherein: CH4 for methane, NH3 for ammonia, H2S for hydrogen sulfide, CO for carbon monoxide, CO2 for carbon dioxide, SO2 for sulfur dioxide, NO2 for nitrogen dioxide.
Claims (4)
1. A be used for driving tunnel gas intelligent monitoring control system which characterized in that: the system comprises a gas concentration acquisition terminal, a ventilation equipment control system and a control platform;
a plurality of groups of gas concentration acquisition terminals are respectively installed at the positions, 1.8-2m away from the ground, of two sides of the tunnel wall, wherein the gas concentration acquisition terminals comprise a harmful gas sensing probe, an air quality sensing probe, a temperature and humidity sensing probe, a PM2.5/PM10 sensing probe, a fire monitoring sensing probe and a lora data transmission module; the installation distance of the gas concentration acquisition terminals is 80-120 m/group; a lora data transmission module and a 4G/5G wireless/Ethernet module are arranged on the gas concentration acquisition terminal; arranging a ventilation equipment control system on ventilation equipment in the tunnel, wherein the ventilation equipment control system is provided with a 4G/5G wireless/Ethernet communication module, and the control platform is arranged in a general dispatching room; a lora data transmission module +4G/5G wireless/Ethernet module arranged on the gas concentration acquisition terminal and a 4G/5G wireless/Ethernet communication module arranged on the ventilation equipment control system are respectively connected and matched with a control platform arranged in a general dispatching room;
utilize harmful gas perception probe, air quality perception probe, humiture perception probe, PM2.5 PM10 perception probe, fire monitoring perception probe that include in the gas concentration acquisition terminal, the harmful gas concentration that probably produces in the current position environment in the real-time supervision tunnel, particulate matter concentration, environmental data such as humiture ratio and fire hidden danger, in time collect control platform through lora data transmission module +4G 5G wireless/ethernet module, control platform sets up the threshold value according to the demand, when monitoring data surpass the threshold value, system automatic start ventilation equipment.
2. The intelligent monitoring and control system for driving tunnel gas as claimed in claim 1, wherein: the I-type acquisition terminal comprises CH4, NH3 and an air quality sensing probe, is arranged at a position 5-5.5m away from the ground in a tunnel and is used for acquiring methane, ammonia gas, solid particles and smoke fire which have lower density than the average density of air and can float upwards.
3. The intelligent monitoring and control system for driving tunnel gas as claimed in claim 1, wherein: the two types of acquisition terminals comprise an H2S and a CO sensing probe, are arranged at a position 1.8-2m high from the ground, are used for acquiring gas with the density close to the average density of air, and mainly detect the concentrations of hydrogen sulfide and carbon monoxide.
4. The intelligent monitoring and control system for driving tunnel gas as claimed in claim 1, wherein: the three-type acquisition terminal comprises CO2, SO2 and NO2 sensing probes, is arranged at a position 0.2-0.3m away from the ground in a tunnel, is used for acquiring gas with the density larger than the average density of air, and mainly detects the concentrations of carbon dioxide, sulfur dioxide and nitrogen dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110583628.9A CN113220055A (en) | 2021-05-27 | 2021-05-27 | Intelligent monitoring control system for driving tunnel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110583628.9A CN113220055A (en) | 2021-05-27 | 2021-05-27 | Intelligent monitoring control system for driving tunnel gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113220055A true CN113220055A (en) | 2021-08-06 |
Family
ID=77098733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110583628.9A Pending CN113220055A (en) | 2021-05-27 | 2021-05-27 | Intelligent monitoring control system for driving tunnel gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113220055A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115022842A (en) * | 2022-07-01 | 2022-09-06 | 广东飞达交通工程有限公司 | Distributed low-power-consumption high-fault-tolerance transmission system based on LoRa technology in tunnel |
-
2021
- 2021-05-27 CN CN202110583628.9A patent/CN113220055A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115022842A (en) * | 2022-07-01 | 2022-09-06 | 广东飞达交通工程有限公司 | Distributed low-power-consumption high-fault-tolerance transmission system based on LoRa technology in tunnel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106958457A (en) | A kind of Internet of Things Coal Mine Monitoring System | |
| CN108008705A (en) | A kind of atmosphere pollution visualizing monitor assessment system | |
| CN113220055A (en) | Intelligent monitoring control system for driving tunnel gas | |
| CN205532720U (en) | Digital safety control system of blow tunnel construction | |
| CN110988142B (en) | Track aging fault detection system and method | |
| CN210129012U (en) | Switch cabinet partial discharge monitoring and early warning device based on gas monitoring | |
| CN101519979A (en) | Tunnel gas monitoring system | |
| CN214586607U (en) | Intelligent monitoring control system for driving tunnel gas | |
| CN117749654B (en) | Mining communication control system based on embedded computer | |
| CN205135712U (en) | Coal mine safety monitoring system | |
| CN104989455A (en) | Mine gas and coal fire collaboration prevention and control method and device | |
| CN208489692U (en) | A kind of electric power tunnel integrated synthesis monitoring system | |
| CN114143354A (en) | Tunnel environment monitoring and evacuation guiding system | |
| CN117253335A (en) | Intelligent monitoring and early warning system for fuel system | |
| CN111720343A (en) | Online monitoring and evaluating system for operation state of slurry circulating pump of desulfurizing tower | |
| CN111894885A (en) | Tunnel fan intelligent control system and control method | |
| CN111752199A (en) | Automatic intelligent fan management system and method based on real-time monitoring and big data learning technology | |
| CN212809426U (en) | Cable fault alarm device based on thing networking | |
| CN206178085U (en) | Locomotive roof insulator ultraviolet ray inspection device | |
| CN1987050A (en) | Underwell safety environment monitor system for coal mine | |
| CN210068244U (en) | Gas remote monitoring and alarm system in tunnel construction process | |
| CN214847059U (en) | Shield constructs quick-witted poisonous and harmful gas intellectual detection system | |
| CN205677672U (en) | Mine safety production monitoring and communication system | |
| CN111595742A (en) | Unmanned aerial vehicle gas detection system and detection method thereof | |
| CN221223872U (en) | Tunnel construction environment monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |