CN102354432A - Landslip and debris flow early warning system based on MESH network - Google Patents
Landslip and debris flow early warning system based on MESH network Download PDFInfo
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Abstract
The invention relates to an MESH network-based monitoring system, in particular to a landslip and debris flow early warning system, which belongs to the technical field of monitoring techniques. Monitoring points are arranged in a debris flow high incidence area; a wireless MESH base station is erected in a monitoring area; each monitoring point is used for monitoring a tipping bucket-type rain gauge, an optical fiber pressure sensor, an underground deep layer displacement meter and a landslip early warning extensometer; pick-up information is sent into a digital signal processing (DSP) module and is sent to a monitoring center through a wireless MESH network after being processed and analyzed; and analytical judgment and alarm are made on real-time information according to historical data and an early warning value, information transmission is performed based on the MESH network to realize real-time and high-efficiency monitoring on the landslip and debris flow forming process, and observational research can be efficiently performed on change conditions, such as the earth surface of a steep slope, the convective weather, the pore water pressure, the bottom crack and the like in real time. The landslip and debris flow early warning system is reliable in working and has high practicability, is not influenced by the environment and the climate, can avoid unnecessary casualties and property loss, and the like.
Description
Technical field
The present invention relates to a kind ofly, particularly relate to a kind of landslide, debris flow early-warning system, belong to the monitoring technique field based on the MESH network monitoring system.
Background technology
Landslide, rubble flow are the special mighty torrents that solid matter such as a large amount of silts, stone on cheuch or the hillside forms under the heavy rain effect; Be distinctive a kind of natural geological phenomenon in mountain area and disaster, the scale that is characterized in is big, harm is serious, activity is frequent, it is wide to jeopardize.In a single day the more serious massif of vegetation deterioration receives heavy showers outburst landslide, and the danger that rubble flow takes place is just very high.On August 7th, 2010, a large amount of casualties and property loss are caused because heavy showers causes under the Luo Jiayu on north, county town, three valley rubble flow and lets out in the Zhouqu County, Tibetan Autonomous Prefecture of Gannan.Landslide, rubble flow pilosity are born in that tectonic structure complicacy, faulted fold are grown, neotectonics activity reaches the higher area of seismic intensity strongly, and the influence that it receives heavy rain, flood has certain periodicity.The motion process of rubble flow is the result of various natural causes and human action factor comprehensive role between landslide, landslide and flood, and rubble flow is implemented effectively monitoring forecast, is the desirability of maintaining social stability and assuring the safety for life and property of the people.
Summary of the invention
In order to solve the monitoring problem of landslide, rubble flow, guarantee landslide, rubble flow are carried out the monitoring of real-time high-efficiency, the present invention provides a kind of landslide based on the MESH network, debris flow early-warning system.
Technical scheme of the present invention is: should be based on landslide, the debris flow early-warning system of MESH network; Comprise a plurality of monitoring means that are arranged at each control point, are connected with the MESH base station radio; Be arranged at a plurality of Wireless MESHs base station of the easy generation area of rubble flow, and the terminal monitory system that is connected with the MESH base station radio.The quantity of monitoring means and Wireless MESH base station is confirmed according to the actual conditions of monitored area.
Said each monitoring means comprise the rainfall situation in the monitoring zone of being used for tipping-bucket rain-gauge 1, be used to monitor interstitial hydraulic pressure situation of change fibre optic compression sensor 3, be used to monitor the deep layer displacement meter 6 that soil layer moves, landslide early warning pantograph 7, DSP data processing module 2, wireless data delivery module 5 and the electric supply installation 4 that is used for monitoring the crack situation of change; The information output of tipping-bucket rain-gauge 1, fibre optic compression sensor 3, underground deep layer displacement meter 6, landslide early warning pantograph 7 links to each other with the input end of DSP data processing module 2, and the input end of wireless data delivery module 5 links to each other with the output terminal of DSP data processing module 2.Electric supply installation 4 is regular solar or wind energy electric supply installation or both combinations, and it links to each other with the power input of each module and device, for whole monitoring means provides electric power.
Said landslide early warning pantograph be installed in landslide, avalanche distortion the most obviously, the location of growing most, crack (like the ring shake and leading edge avalanche place of the both sides, tension crack of trailing edge), be used for monitoring landslide, crack, the ground situation of change of caving in.Tipping-bucket rain-gauge is arranged in the guarded region, under the strong convection climatic condition, and rainfall situation in the synchronous real-time monitored area.Fibre optic compression sensor (a plurality of) be arranged in the guarded region, with the monitoring ground pressure change (before rubble flow takes place, soil can be progressive saturated and cause that interstitial hydraulic pressure increases, shearing strength reduces).Displacement meter is arranged on the monitoring point underground deep layer, to monitor tectal situation of movement (receive the influence of gravity, the face of land that the soil is porous can move down) under certain situation.
Said terminal monitory system comprises wireless receiving module 8, switch 9, DSP data processing module 10, monitoring host computer 11, alarm 12; Wireless receiving module 8 links to each other with DSP data processing module 10 input ends through switch 9, and alarm 12 links to each other with DSP data processing module 10 output terminals through monitoring host computer 11.DSP data processing module 10 is the common data processing module that has hard disk, has data analysis and memory function, like small-size computer.
Said Wireless MESH base station is arranged in the guarded region, forms on-air radio monitoring networking (wireless bridge) between each Wireless MESH base station, and the on-air radio networking between a plurality of base stations is all supported in each base station.For fear of when landslide, rubble flow take place to the destruction of base station and main monitoring equipment; And after the calamity to the large-scale reconstruction of monitoring point; Pay the utmost attention to during Cell Site Placement that vegetation growth is intact, geologic structure is hard and near the place on mountain top, and the nucleus equipment of monitoring also is located at this place.
Used each module of the present invention, device and device are common commercially available prod.Wireless data delivery module 5 is common MESH radio receiving transmitting module with wireless receiving module 8.
When native system is installed and used, need examine on the spot to confirm the incident zone of rubble flow in the mountain area, and research is come down in history, the multiple area of rubble flow, according to the prospecting situation monitoring point is set again, makes each monitoring point be net distribution, to guarantee monitoring effect.When the control point is set, measure the longitude and latitude and the sea level elevation at its place, itself and control point are numbered in the monitoring host computer of typing terminal monitory system (Surveillance center) in the lump, make things convenient for the inquiry in later stage and implement emergency processing.
The native system monitoring means is sent into the DSP data processing module to the information of gathering and is carried out data processing, sends to Surveillance center to monitoring information through wireless data delivery module and Wireless MESH network then.When landslide early warning pantograph measurement result reached early warning value, monitoring host computer will be ordered alarm equipment alarm, made the ready as early as possible work of staff.Because continue rainfall is the main inducing of landslide, rubble flow, so when tipping-bucket rain-gauge result demonstration reaches early warning value, just give the alarm, makes the staff step up this zone is monitored; At this moment; If fibre optic compression sensor demonstration pressure is in rising trend and deep layer displacement meter result shows that soil layer is moving gradually; Just explanation landslide, rubble flow possibly take place, and monitoring host computer will be ordered alarm equipment alarm, notify relevant departments' emergency processing of being correlated with simultaneously.Carry out information transmission through Wireless MESH network between control point and the terminal monitory system; Form wireless bridge between Wireless MESH base station and data transmission and the receiver module; Terminal monitory system (Surveillance center) is connected with each monitoring unit (point); Receive the real-time information that each control point tilting bucket rain, landslide early warning pantograph, deep layer displacement meter and fibre optic compression sensor device are collected through Wireless MESH network; And the information that receives analyzed, determined whether that landslide, rubble flow take place.
The present invention adopts Wireless MESH network, and this network is by comprising that one group of wireless aps that is net distribution constitutes, and AP all adopts point-to-point mode interconnected through wireless relay links.The MESH network has self-configuring, self-healing, does advantages such as broadband and compatibility.Wireless MESH network adopts solar cell, accumulator and laying wire etc. to build, and the working frequency range of base station equipment is the frequency range that opens for free of 802.11a/b/g technology, practices thrift cost.Each control point and Surveillance center's apart from each other in addition; The position disperses relatively, and mostly the control point landform is steep hills ground, the wireless bridge technology of utilizing the wireless base station to form; Each monitoring point and Surveillance center are coupled together, can set up wireless network links in the short period of time.Radio network product support 11,22/54Mbps and the higher network bandwidth of IEEE802.11a/b/g can guarantee that fully the information stability of gathering reliably and apace transmits, and realize the real-time monitoring of remote wireless network.According to the Information Monitoring of each control point each side, can realize landslide, rubble flow are carried out science and predict accurately.Each monitoring unit (control point) communicates through wireless network with terminal monitory system (Surveillance center) and is connected, and guaranteeing does not influence the condition of a disaster transmission of Information when disaster takes place, and makes things convenient for the supvr that landslide, rubble flow activity are monitored.When confirming the landslide, just making corresponding emergency plan when rubble flow will take place.In addition, each monitoring information can be kept in the hard disk after in being sent to monitoring, makes things convenient for the research in later stage and consults.
The present invention is based on landslide, the debris flow early-warning system of MESH network, adopted Wireless MESH network to carry out information transmission, realized landslide, rubble flow forming process are carried out the monitoring of real-time high-efficiency.Can real-time and effective carry out observational study to the situation of change in the face of land, convection weather, pore water pressure and the crack, base etc. of steep slope, so as to the landslide, rubble flow the prediction of carrying out science, avoid unnecessary casualties and property loss.Have the monitoring system reliable operation, practical, not influenced by natural environment and climate, but real-time early warning and monitoring rubble flow advantages such as a situation arises.
Description of drawings
Fig. 1 is a system principle diagram of the present invention;
Fig. 2 is a monitoring unit principle schematic of the present invention;
Fig. 3 is a terminal monitory system principle schematic of the present invention:
Fig. 4 installs for TRT of the present invention and implements synoptic diagram.
Among the figure: 1, tipping-bucket rain-gauge; 2, DSP processing module; 3, optical fiber pressure sensor; 4, electric supply installation; 5, wireless sending module, 6, sliding underground deep layer displacement meter, 7, sloping early warning pantograph; 8, wireless receiving module; 9, switch; 10, DSP processing module; 11, monitoring host computer; 12, alarm; 13, electricity generation module apparatus array; 14, TRT settlement; 15, ground.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is done further elaboration, but protection scope of the present invention is not limited to said content.
Embodiment 1:: referring to Fig. 1; This is based on landslide, the debris flow early-warning system of MESH network; Comprise 35 monitoring means that are arranged at each control point, are connected, be arranged at 5 Wireless MESH base stations that rubble flow is prone to generation area with the MESH base station radio, and the terminal monitory system that is connected with the MESH base station radio.
Referring to Fig. 2; Each monitoring means comprise the rainfall situation in the monitoring zone of being used for tipping-bucket rain-gauge 1, be used to monitor interstitial hydraulic pressure situation of change fibre optic compression sensor 3, be used to monitor the deep layer displacement meter 6 that soil layer moves, landslide early warning pantograph 7, DSP data processing module 2, wireless data delivery module 5 and the electric supply installation 4 that is used for monitoring the crack situation of change; The information output of tipping-bucket rain-gauge 1, fibre optic compression sensor 3, underground deep layer displacement meter 6, landslide early warning pantograph 7 links to each other with the input end of DSP data processing module 2, and the input end of wireless data delivery module 5 links to each other with the output terminal of DSP data processing module 2.Electric supply installation 4 is regular solar or wind energy electric supply installation or both combinations, and it links to each other with the power input of each module and device, for whole monitoring means provides electric power.
Early warning pantograph in landslide is installed in the landslide, the location (ring shake and leading edge avalanches place of the both sides, tension crack of trailing edge) the most obvious, that grow most in the crack is out of shape in avalanche; Tipping-bucket rain-gauge is arranged in open location in the guarded region; Arrange 3 fibre optic compression sensors in each control point, the deep layer displacement meter is arranged in the monitoring point underground deep layer.
Referring to Fig. 3; Terminal monitory system comprises wireless receiving module 8, switch 9, DSP data processing module 10, monitoring host computer 11, alarm 12; Wireless receiving module 8 links to each other with DSP data processing module 10 input ends through switch 9, and alarm 12 links to each other with DSP data processing module 10 output terminals through monitoring host computer 11.DSP data processing module 10 is the common small-size computer that has hard disk, has data analysis and memory function.
The Wireless MESH base station is arranged in the guarded region, forms on-air radio monitoring networking (wireless bridge) between each Wireless MESH base station, and the on-air radio networking between other base station is all supported in each base station.For fear of when landslide, rubble flow take place to the destruction of base station and main monitoring equipment; And after the calamity to the large-scale reconstruction of monitoring point; Base station selection vegetation growth in the monitored area is intact, geologic structure is hard and near the place on mountain top, the nucleus equipment of monitoring also is located at this place.Electric supply installation is the regular solar electric supply installation, and the device of solar generating array places monitored regional commanding elevation (referring to Fig. 4), and through the accumulators store electric energy, to guarantee equipment operate as normal in night.
Used each module of the present invention, device and device are common commercially available prod.Wireless data delivery module 5 is common MESH radio receiving transmitting module with wireless receiving module 8.
Surveillance center of the present invention communicates through wireless bridge and each control point; The information that receives is sent to DSP processing module 10 and monitoring host computer 11 through switch 9; DSP handles the back to the information that receives and shows on monitoring host computer 11 that on the one hand rainfall amount, pore pressure, the face of land move and the fracture open situation of movement takes place, and confirms the real time status of control point according to this information; Be stored in the monitoring information of each monitoring point in the hard disk of DSP data processing module on the other hand.The information that tipping-bucket rain-gauge 1, fibre optic compression sensor 3, underground deep layer displacement meter 6 and landslide early warning pantograph 7 are gathered will obtain showing on monitoring host computer 11; And the landslide that monitoring host computer can obtain according to long-term observation research, the relative parameter that rubble flow takes place are analyzed real-time information; The Host Command alarm is reported to the police when reaching early warning value, like: bright emergency warning lamp, send sound such as " landslides, rubble flow near ".Make the monitor staff take corresponding emergency measure, notify the masses safe escape simultaneously from obtaining information.
Embodiment 2:: referring to Fig. 1; This is based on landslide, the debris flow early-warning system of MESH network; Comprise 25 monitoring means that are arranged at each control point, are connected, be arranged at 4 Wireless MESH base stations that rubble flow is prone to generation area with the MESH base station radio, and the terminal monitory system that is connected with the MESH base station radio.
Adopt common wind energy and solar power supply apparatus to unite and be each relay wireless transmitting-receiving monitoring system power supply, and be furnished with standby battery, other part of total system is consistent with embodiment 1.
Claims (6)
1. the landslide based on the MESH network, debris flow early-warning system; It is characterized in that: comprise a plurality of monitoring means that are arranged at each control point, are connected with the MESH base station radio; Be arranged at a plurality of Wireless MESHs base station of the easy generation area of rubble flow, and the terminal monitory system that is connected with the MESH base station radio.
2. the landslide based on the MESH network according to claim 1, debris flow early-warning system; It is characterized in that: each monitoring means in each control point comprises and is used to monitor interstitial hydraulic pressure situation of change fibre optic compression sensor (3), is used to monitor deep layer displacement meter (6), the landslide early warning pantograph (7) that is used to monitor the crack situation of change, DSP data processing module (2), wireless data delivery module (5) and the electric supply installation (4) that soil layer moves; The information output of fibre optic compression sensor (3), underground deep layer displacement meter (6), landslide early warning pantograph (7) links to each other with the input end of DSP data processing module (2); The input end of wireless data delivery module (5) links to each other with the output terminal of DSP data processing module (2), and electric supply installation (4) links to each other with the power input of each module and device.
3. the landslide based on the MESH network according to claim 2, debris flow early-warning system is characterized in that: also be provided with the tipping-bucket rain-gauge (1) that links to each other, is used for rainfall situation in the monitoring zone with DSP data processing module (2) in each monitoring means.
4. according to claim 2 or 3 described landslides based on the MESH network, debris flow early-warning system, it is characterized in that: electric supply installation (4) is regular solar or wind energy electric supply installation or both combinations.
5. the landslide based on the MESH network according to claim 1, debris flow early-warning system; It is characterized in that: terminal monitory system comprises wireless receiving module (8), switch (9), DSP data processing module (10), monitoring host computer (11), alarm (12); Wireless receiving module (8) links to each other with DSP data processing module (10) input end through switch (9), and alarm (12) links to each other with DSP data processing module (10) output terminal through monitoring host computer (11).
6. the landslide based on the MESH network according to claim 5, debris flow early-warning system is characterized in that: the data processing module of DSP data processing module (10) for having hard disk, having data analysis and memory function.
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| CN102680168A (en) * | 2012-06-13 | 2012-09-19 | 水利部交通运输部国家能源局南京水利科学研究院 | Method for recording pore water pressure mutation process during disaster and monitoring device thereof |
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Application publication date: 20120215 |