CN105788179A - System and method of intelligently monitoring dangerous rock collapse and rockfall hazard - Google Patents
System and method of intelligently monitoring dangerous rock collapse and rockfall hazard Download PDFInfo
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- CN105788179A CN105788179A CN201610169006.0A CN201610169006A CN105788179A CN 105788179 A CN105788179 A CN 105788179A CN 201610169006 A CN201610169006 A CN 201610169006A CN 105788179 A CN105788179 A CN 105788179A
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- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
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Abstract
The invention discloses a system and a method of intelligently monitoring a dangerous rock collapse and a rockfall hazard. The system comprises a falling rock intercepting sensing system, a signal transmission system and a rockfall hazard information processing center, wherein the falling rock intercepting sensing system is composed of multiple sub falling rock intercepting sensing system; each sub falling rock intercepting sensing system is composed of a rock intercepting net device and a signal acquisition and analysis device fixed on the rock intercepting net device; the signal acquisition and analysis device can acquire vibration information of the rock intercepting net and the information is transmitted to the rockfall hazard information processing center via the signal transmission system; the server of the rockfall hazard information processing center can judge whether the vibration is from a falling rock according to features of the signal and whether to send warning information is thus judged. The system has the advantages of accurate monitored data, high system operation reliability and low error rate. The method provided by the invention is realized according to the system. Thus, intelligent and real-time monitoring on the dangerous rock collapse and the rockfall hazard can be realized.
Description
Technical field
The invention belongs to hazards control field, be specifically related to a kind of intelligent crag collapse rock-fall disaster monitoring system and method.
Background technology
China is mountain region big country, mountain and hill accounts for territory total area more than 2/3, along with quickly building and high speed development that Mountain Urban Area is built of China Higher level highway and railway, massif high cutting-slope quantity is increasing and highly increasing, the gradient is increasingly steeper, and geological security problem also highlights day by day.Very easily there is collapse rock-fall disaster in highway, Along Railway mountain area, and this disaster has sudden, both irregular follows, it is also difficult to prediction.So once occurring side slope crag collapse rock-fall it is possible to cause huge harm.For the collapse rock-fall geological disaster of crag, the monitoring technology of existing crag collapse rock-fall geological disaster mainly has and is divided into two kinds, and one is to dispose various types of sensor in side slope, and the stability of side slope is monitored；Another kind is to arrange, at the mountain area border region of railway, Highways ', the passive soft protecting net that can intercept falling rocks, and corresponding sensor is installed on protection network, to realize effective early warning of monitoring and rockfall hazards in real time to hillside Rolling Stone, thus reducing Rolling Stone to invade the Loss of Life and property that railway, highway transportation are caused by limit.
Based on above two method, specifically there are three kinds of specific practices, but have it to be difficult to the technical problem overcome:
In side slope, pulling force sensor is installed, predicts when crag occurs avalanche to tumble by monitoring the situation of change in crack.Though this way can accomplish effective early warning, but construction environment is poor, and unsafe factor is in the majority, in work progress, due to the impact of construction technology, all can destroy the stability of original side slope to a certain extent.
The column of soft protecting net is installed inclination sensor, each sensor connects to form series closed circuit by wire, by monitoring the angle of inclination of the side-play amount of soft protecting net or column and determine whether to occur crag to tumble or the geological disaster such as mud-rock flow, when be subject to large-scale tumble geological disaster time, Guan Bi circuit disconnects, alarm mechanism is started working, and sends early warning.Although this method has automatic monitoring, automatic alarm, being independent of third party and provide service, cost is low, it is easy to promote, the advantage with certain economic benefit.But this monitoring method is easily by the impact of extraneous factor, and wind and anthropic factor are likely to make soft protecting net offset, close circuit disconnection work, it is easy to judging by accident, monitoring reliability is low.And, small-sized crag avalanche tumbles and can not make column run-off the straight, and alarm mechanism would not send early warning, and accuracy of detection is relatively low.Additionally, after early warning sends, it is necessary to artificially go to release to report to the police so that Monitoring Data does not have seriality, it is impossible to accomplish real-time monitoring.Moreover, monitor and alarm system is complicated, it is necessary to lay circuit in a large number, lays line construction difficulty at physical features complex region very big.The electric supply system that this monitoring technology adopts is chemical cell, for ensureing that monitoring system does not affect its normal operation because of dead battery, it is necessary to battery is changed in variable interval, and scene needs rear personnel, it is necessary to substantial amounts of manpower.
Fiber grating pulling force sensor is concatenated by the feature utilizing Fibre Optical Sensor with protection network anchor cable, or optical fiber raster vibration sensor is fixed on anchor rope centre position, or by fiber grating bend sensor and supporting rope binding on protection network, the stressing conditions restricted on the net by monitoring protection judges the generation of geological disaster.Although fiber-optic grating sensor monitoring technology has the impact not being subject to electromagnetic field and electromagnetic radiation, its monitoring quality of materials is light, and volume is little, and optical-fibre communications is not charged, uses safety, uses ambient temperature range width, resistance to chemical attack, the advantage of long service life.But FBG monitoring technology also has certain deficiency when application, show following aspect: (1) fiber grating is using the wavelength of grating as sensing media, the change of perception external world physical parameter is carried out by wave length shift, the change of the strain of fiber grating direct reaction and temperature coupling, need to carry out temperature-compensating, monitoring sensitivity and resolution are not high, and signal monitoring reliability is low.(2) based on the principle of reflection of fiber grating so that it is Monitoring Data does not have seriality, it is impossible to accomplish monitor in real time.(3) signal demodulating system of fiber-optic grating sensor is complicated, expensive.(4) fiber-optic grating sensor is typically mounted on the pull bar of protection network both sides or on upper supporting rope, for little rockfall hazards, interception function through stone blocking net, power can not be delivered to supporting rope and draw on anchor, is placed in draw and monitors less than there being falling rocks to tumble with the sensor on upper supporting rope on anchor at all.(5) data monitored by analyzing fiber-optic grating sensor can only be determined with foreign body intrusion, it is impossible to accurately judges it is animal or falling rocks, it is easy to judge by accident.(6) optical fiber belongs to glass, and examining tensile behavior is low, when by only small pulling force, will rupture.Based on the disadvantages mentioned above of fiber-optic grating sensor monitoring technology, optical fiber grating sensing monitoring technology is not universal on a large scale and promotes, that current vast mountain area is taked or traditional monitoring technology.When falling rocks volume is excessive or during excessive velocities, all have falling rocks and break through the probability of protection network, this is accomplished by stone blocking net is carried out Measuring error, and traditional monitoring technology can not judge that where stone blocking net is damaged, and can only have and manually stone blocking net be carried out Measuring error.Stone blocking net is typically located at highway, and on the upper level of railway both sides, physical features is rugged and rough, and vehicle cannot travel.When manually removing Measuring error, can only carrying out on foot, Measuring error is wasted time and energy.Simultaneously stone blocking net is continuous a few km, it is necessary to often locating all to check, it does not have specific aim, when maintenance and inspection, quantities is big, it is necessary to substantial amounts of manpower, adds economic input.
Summary of the invention
The Monitoring Data reliability tumbling monitoring technology existence for existing generation crag avalanche is low, real-time comprehensive monitoring can not be accomplished and be susceptible to the defect of erroneous judgement, it is an object of the invention to provide that a kind of Monitoring Data is accurate, reliability is high, error rate is low and be capable of the dangerous intelligent crag collapse rock-fall disaster monitoring system of monitor in real time crag avalanche and method.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of intelligent crag collapse rock-fall disaster monitoring system, intercepts sensor-based system, signal transmission system and falling rocks disaster information processing center including falling rocks；Described falling rocks intercepts sensor-based system and intercepts the falling rocks of avalanche, and by signal transmission system, falling rocks information is transferred to falling rocks disaster information processing center, and falling rocks information is distributed to the public by falling rocks disaster information processing center；It is characterized in that:
Described falling rocks intercepts sensor-based system and is made up of n sub-falling rocks interception sensor-based system, and n is the natural number being not zero；Described sub-falling rocks intercepts sensor-based system and includes stone blocking net device and signal processing and analysis device；Described stone blocking net device includes stone blocking net and pillar mechanism, and described stone blocking net is fixed in described pillar mechanism, in order to intercept falling rocks；Described signal processing and analysis device is made up of piezoelectric type 3-axis acceleration sensor, pre-amplification circuit, programmable amplifying circuit, low-pass filter circuit, single-chip microcomputer and the wireless transmitter being sequentially connected with, for stone blocking net vibration information being carried out preliminary treatment and being transferred to signal transmission system.
Described falling rocks disaster information processing center is made up of message recipient, dynamic monitoring server, database server and information warning emitter, and described message recipient is for receiving the stone blocking net vibration information of signal transmission system offer and being transmitted to described dynamic monitoring server；Described database server is used for collecting and store stone blocking net vibration information to form data base, and the information in data base is transferred to described dynamic monitoring server；Described dynamic monitoring server is for carrying out Recognition of Vibration Sources to decide whether to send information warning instruction by the stone blocking net vibration information received with the stone blocking net vibration information in data base；Described information warning emitter is for sending information warning when receiving information warning instruction.
Further, described pillar mechanism is made up of two pedestals being fixed on ground and the pillar being separately fixed on two pedestals；The left and right sides of described stone blocking net is separately fixed on two described pillars, so that stone blocking net launches.
Further, described pillar is also connected with at least one anchor slide fastener connection mechanism, and described anchor slide fastener connection mechanism includes anchor and draws pedestal, anchor tie, anchor stay cord, and described anchor draws pedestal to fix on the ground；One end of described anchor tie is fixed on described anchor and draws on pedestal, and the other end is connected with one end of described anchor stay cord；The other end of described anchor stay cord is fixed on described pillar, to strengthen the stability of described stone blocking net device.
Further, the upper and lower side of described stone blocking net is also installed with supporting rope respectively, and the two ends of described supporting rope are separately fixed on the described pillar being positioned at described stone blocking net arranged on left and right sides, in order to by straight for the upper and lower layback of described stone blocking net；Described supporting rope, anchor stay cord are additionally provided with pressure-reducing ring.
Further, described stone blocking net is further fixed on iron wire grid.
Further; the top of described pillar mechanism is additionally provided with several natural electric devices; solar panel that described natural electric device includes being sequentially connected with, Charge Management electroplax, for storing the lithium battery of electric energy, discharge protection circuit and lowering and stabilizing blood pressure module composition; described lowering and stabilizing blood pressure module is connected with signal processing and analysis device, in order to provide electric power to described signal processing and analysis device.
Further, being also in series with switching switch between described discharge protection circuit and lowering and stabilizing blood pressure module, this switching switch is also connected with solaode, is used for switching solar panel or lithium battery power supply.
Further, described natural electric device also includes wind-driven generator, and this wind-driven generator is connected with Charge Management electroplax.
Further, described signal transmission system is made up of m the signal relay station being arranged between falling rocks interception sensor-based system and falling rocks disaster information processing center, and m is the natural number being not zero；Described signal relay station is made up of bracing frame and the gsm wireless transmitting device being arranged on bracing frame top, and the stone blocking net vibration information for each sub-falling rocks intercepts sensor-based system is transferred to described falling rocks disaster information processing center；Connected by wireless GSM signal between different gsm wireless transmitting devices.
A kind of method of real-time based on above-mentioned intelligent crag collapse rock-fall disaster monitoring system, comprises the following steps:
1) massif near highway, railway and cities and towns arranges n sub-falling rocks and intercepts the falling rocks interception sensor-based system of sensor-based system composition, falling rocks disaster information processing center is set in the open ground that physical features is smooth, m signal relay station composition signal transmission system is set between, to form intelligent crag collapse rock-fall disaster monitoring system；N and m is all the natural number being not zero；
2) vibration information on stone blocking net is converted into the signal of telecommunication by the piezoelectric type 3-axis acceleration sensor of the signal processing and analysis device that each sub-falling rocks intercepts sensor-based system, the positional information that this signal of telecommunication and this sub-falling rocks intercept sensor-based system place, after pre-amplification circuit and the amplification of program control chip, filter chip filtering, single-chip microcomputer carry out preliminary treatment, is sent by this signal of telecommunication by wireless transmitter；
3) described signal transmission system is received the signal received and is transferred to described falling rocks disaster information processing center；
4), after the message recipient of described falling rocks disaster information processing center receives the signal of telecommunication and the positional information that sub-falling rocks intercepts sensor-based system, it is transmitted to dynamic monitoring server；The data that the sub-falling rocks received is intercepted in the signal of telecommunication of sensor-based system and positional information and data base by dynamic monitoring server carry out Recognition of Vibration Sources, to decide whether to send information warning instruction；When determining to send information warning instruction, instruction information warning emitter sends information warning by telecommunication operator platform or described signal transmission system, to realize warning；
5) step 2 is repeated)-4), to realize the intelligent real-time monitoring of crag collapse rock-fall disaster.
Compared with prior art, there is advantages that
1, Monitoring Data is accurate, reliability is high.Signal processing and analysis device is fixed on stone blocking net by the present invention, the vibration signal on stone blocking net is transferred to falling rocks disaster information processing center after preliminary treatment and carries out Recognition of Vibration Sources.By above-mentioned process it is apparent that situation (animal or falling rocks) corresponding to impulsive force, data are accurate, and accuracy of identification is high.
2, owing to the data of present invention monitoring are accurate, accuracy of identification is high, it is possible to greatly reduces the probability of false alarm, improves system reliability of operation.
3, each sub-falling rocks interception sensor-based system can be monitored by the present invention simultaneously in real time, it is possible to being accurately known that the when and where that crag geological disaster occurs, the information warning of issue is timely, with strong points, can reduce life and property loss in large quantities.
4, the present invention can accurately know that each sub-falling rocks intercepts the situation that sensor-based system is hit, it is simple to carries out stone blocking net maintenance targetedly, has saved the time patrolled and examined, shortened the repair time, advantageously reduced the cost of maintenance.
5, the sub-falling rocks interception sensor-based system of the present invention is equipped with nature electric device is that signal processing and analysis device is powered, each signal processing and analysis device is made to work alone, need not individually set up supply line, both reduce construction cost, saved the completion time of project, also improve the stability that equipment runs.
Accompanying drawing explanation
The sub-falling rocks that Fig. 1 is the present invention intercepts sensor-based system structural representation；
Fig. 2 is the power supply the principle figure of the solar-electricity power apparatus of the present invention；
Fig. 3 is the fundamental diagram of the piezoelectric type 3-axis acceleration sensor of the present invention；
Fig. 4 is the connected mode schematic diagram of the signal pickup assembly of the present invention；
Fig. 5 is embodiments of the invention operating diagram.
In accompanying drawing: 1 solar panel；2 stone blocking nets；3 pressure-reducing rings；4 pillars；5 anchor stay cords；6 signal processing and analysis devices；61 piezoelectric type 3-axis acceleration sensors；62 pre-amplification circuits；63 program control chips；64 filter chips；65 single-chip microcomputers；66 wireless transmitters；67 pcb boards；7 gsm wireless transmitting devices；8 falling rocks disaster information processing centers；9 falling rocks.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
One, a kind of intelligent crag collapse rock-fall disaster monitoring system, intercept sensor-based system, signal transmission system and falling rocks disaster information processing center 8 including falling rocks；Described falling rocks intercepts sensor-based system and intercepts the falling rocks of avalanche, and by signal transmission system, falling rocks information is transferred to falling rocks disaster information processing center 8, and falling rocks information is distributed to the public by falling rocks disaster information processing center 8；It is characterized in that:
Described falling rocks intercepts sensor-based system and is made up of n sub-falling rocks interception sensor-based system, and n is the natural number being not zero；Described sub-falling rocks intercepts sensor-based system and includes stone blocking net device and signal processing and analysis device 6；Described stone blocking net device includes stone blocking net 2 and pillar mechanism, and described stone blocking net 2 is fixed in described pillar mechanism, in order to intercept falling rocks；Described signal processing and analysis device 6 is fixed on described stone blocking net 2；Described signal processing and analysis device 6(is as shown in Figure 4) it is made up of the piezoelectric type 3-axis acceleration sensor 61 being sequentially connected with, pre-amplification circuit 62, programmable amplifying circuit 63, low-pass filter circuit 64, single-chip microcomputer 65 and wireless transmitter 66, for stone blocking net vibration information being carried out preliminary treatment and being transferred to signal transmission system.
Wherein, pre-amplification circuit 62 selects the integrated amplification chip of difference, and programmable amplifying circuit 63 selects integrated program control chip, and low-pass filter circuit 64 selects programmable filter chip.Consider that acquisition and analysis device is arranged on stone blocking net, it is desirable to dress is as far as possible light and handy, thus when design, the selection integrated amplification chip of difference, integrated program control chip, programmable filter chip, these chip circuit light weight, and also small and exquisite.Meanwhile, the charge signal that sensor exports is converted to stable, a real voltage signal by the integrated amplification chip of difference, provides a good basis to follow-up signal processing.Integrated program control chip can realize the accurate control to gain so that the stability adjustable gain scope that the signal amplitude of output keeps higher is very wide.Various low frequency signals are realized low pass by mcu programming by programmable filter chip, and high-pass filtering processes, and filtering characteristic parameters precision is high, and circuit simply can be applied in signal frequency and the amplitude place of change in wide scope, easy to operate, function admirable.Piezoelectric type 3-axis acceleration sensor 61 and above-mentioned original paper are sequentially arranged on pcb board 67 or are sequentially connected with by wire and forms signal processing and analysis device 6.Signal processing and analysis device 6 can be placed in chest, to prevent the destruction to equipment such as precipitation.Sensor of the invention selects piezoelectric type 3-axis acceleration sensor 61 to substitute fiber-optic grating sensor, the vibration characteristics of the stone blocking net 2 so gathered can be more accurate, the operation principle of piezoelectric type 3-axis acceleration sensor 61 is such (see figure 3): sensitive components can experience detection signal (i.e. vibration), and transmit the signal to conversion element device, this signal is changed into the signal of telecommunication and is transferred to signal conditioning portions by conversion element device, and signal conditioning portions is for adjusting signal and the signal after adjusting being issued the integrated amplification chip of difference.It is additionally provided with auxiliary circuit, for providing power supply to conversion element device and Signal Regulation element device, it is ensured that its normal operation between conversion element device and signal conditioning portions.
Described falling rocks disaster information processing center 8 is made up of message recipient, dynamic monitoring server, database server and information warning emitter, and described message recipient is for receiving the stone blocking net vibration information of signal transmission system offer and being transmitted to described dynamic monitoring server；Described database server is used for collecting and store stone blocking net vibration information to form data base, and the information in data base is transferred to described dynamic monitoring server.Wherein, the information in data base includes different size, impingement distance clashes into the data such as the vibration information caused by the vibration information and wind-force that cause to the vibration information of priming, animal on described stone blocking net.Described dynamic monitoring server is for carrying out Recognition of Vibration Sources to decide whether to send information warning instruction by the stone blocking net vibration information received with the stone blocking net vibration information in data base；Described information warning emitter is for sending information warning when receiving information warning instruction.
As optimization, as it is shown in figure 1, described pillar mechanism is made up of two pedestals being fixed on ground and the pillar 4 being separately fixed on two pedestals；The left and right sides of described stone blocking net 2 is separately fixed on two described pillars 4, so that stone blocking net 2 launches.This pillar mechanism structure is the simplest, and pedestal and pillar 4 can be processed into prefabricated component, it is possible to realize Fast Construction.Stone blocking net 2 can adopt flexible net, and the tension force of flexible net is relatively big, and ruggedness is strong.
As optimization, as it is shown in figure 1, in order to make pillar mechanism more stable, described pillar 4 is also connected with at least one anchor slide fastener connection mechanism, described anchor slide fastener connection mechanism includes anchor and draws pedestal, anchor tie, anchor stay cord 5, and described anchor draws pedestal to fix on the ground；One end of described anchor tie is fixed on described anchor and draws on pedestal, and the other end is connected with one end of described anchor stay cord 5；The other end of described anchor stay cord 5 is fixed on described pillar 4, to strengthen the stability of described stone blocking net device.
As optimization, in order to make stone blocking net 2 be sufficiently spread out, reducing action of gravity makes it build up downwards, the upper and lower side of described stone blocking net 2 is also installed with supporting rope respectively, the two ends of described supporting rope are separately fixed on the described pillar 4 being positioned at described stone blocking net 2 arranged on left and right sides, in order to by straight for the upper and lower layback of described stone blocking net 2.Described supporting rope, anchor stay cord 5 are additionally provided with pressure-reducing ring 3, for the pulling force on link rope, increase the service life.
As optimization, in order to make the falling rocks that stone blocking net 2 can intercept fritter hurt sb.'s feelings, described stone blocking net 2 is further fixed on iron wire grid.
As optimization; the top of described pillar mechanism is additionally provided with several natural electric devices; solar panel 1 that described natural electric device (as shown in Figure 2) includes being sequentially connected with, Charge Management electroplax, for storing the lithium battery of electric energy, discharge protection circuit and lowering and stabilizing blood pressure module composition; described lowering and stabilizing blood pressure module is connected with signal processing and analysis device 6, in order to provide electric power to signal processing and analysis device.Signal processing and analysis device 6 so can be given independently-powered, it is not necessary to individually set up supply line, both reduced construction cost, saved the completion time of project, also improve the stability that equipment runs.
As optimization, in order to regulate the operational mode of electric energy, being also in series with switching switch between described discharge protection circuit and lowering and stabilizing blood pressure module, this switching switch is also connected with solaode, is used for switching solar panel 1 or lithium battery power supply.This is conducive to utilizing the energy fully when and abundance at sunshine full at lithium battery.
As optimization, described natural electric device also includes wind-driven generator, and this wind-driven generator is connected with Charge Management electroplax.This is to make full use of the natural resources, and makes up electricity needs during deficiency at sunshine.
As optimization, described signal transmission system is made up of m the signal relay station being arranged between falling rocks interception sensor-based system and falling rocks disaster information processing center 8, and m is the natural number being not zero；Described signal relay station is made up of bracing frame and the gsm wireless transmitting device being arranged on bracing frame top, and the stone blocking net vibration information for each sub-falling rocks intercepts sensor-based system is transferred to described falling rocks disaster information processing center 8.Group falling rocks intercept sensor-based system from falling rocks disaster information processing center 8 distant time, it is necessary to by multiple gsm wireless transmitting devices transmit information, between different gsm wireless transmitting devices by wireless GSM signal connect.It is wirelessly transferred and adopts gsm wireless transmitting device cheap, effect stability, be conducive to improving precision and the promptness of transmission.
Two, a kind of method of real-time based on above-mentioned intelligent crag collapse rock-fall disaster monitoring system, comprise the following steps:
1) massif near highway, railway and cities and towns arranges n sub-falling rocks and intercepts the falling rocks interception sensor-based system of sensor-based system composition, in the local construction falling rocks disaster information processing center 8 that physical features is smooth, m signal relay station composition signal transmission system is set between, to form intelligent crag collapse rock-fall disaster monitoring system.N and m therein is all the natural number being not zero.
2) vibration information on stone blocking net 2 is converted into the signal of telecommunication by the piezoelectric type 3-axis acceleration sensor 61 of the signal processing and analysis device 6 that each sub-falling rocks intercepts sensor-based system, after this signal of telecommunication amplifies through pre-amplification circuit 62 and program control chip 63, filter chip 64 filters, single-chip microcomputer 65 carries out preliminary treatment, the positional information that this signal of telecommunication and this sub-falling rocks intercept sensor-based system place is sent by wireless transmitter 66.The effect of preliminary treatment is in that labelling is likely the common vibrations such as mild wind, reduces the data operation quantity of falling rocks disaster information processing center 8.
3) described signal transmission system is received the signal received and is transferred to described falling rocks disaster information processing center 8.
4), after the message recipient of described falling rocks disaster information processing center 8 receives the signal of telecommunication and the positional information that sub-falling rocks intercepts sensor-based system, it is transmitted to dynamic monitoring server；The data that the sub-falling rocks received is intercepted in the signal of telecommunication of sensor-based system and positional information and data base by dynamic monitoring server carry out Recognition of Vibration Sources, judgement is the vibration of falling rocks initiation or causes because animal is clashed into, then decides whether to send information warning instruction；When determining to send information warning instruction, instruction information warning emitter sends information warning by telecommunication operator platform or described signal transmission system, to realize warning.
5) step 2 is repeated)-4), to realize the intelligent real-time monitoring of crag collapse rock-fall disaster.
Monitoring system and method provided by the invention is more intelligent, and the Monitoring Data recorded is more reliable, it is possible to accomplish monitor in real time, reduces erroneous judgement.According to the signal data after processing, we can be apparent from when and where there occurs crag geological disaster, then passes through data transmission notice vehicular traffic to reduce the loss of lives and properties.Simultaneously the present invention also makes targetedly stone blocking net 2 to be carried out maintenance and is possibly realized, and reduces Financial cost, it is possible to be widely applied in Practical Project.
Three, embodiment
By the embodiment in somewhere, in conjunction with Fig. 5, technical scheme is done and further illustrates:
First above-mentioned intelligent crag collapse rock-fall disaster monitoring system is built.Solar panel 1 is converted solar energy into electrical energy by change-over circuit and is stored in the lithium battery providing electric energy into sensor.
When rock is under instability status on massif, eboulement falling rocks geological disaster will be there is.The falling rocks 9 that tumbles downwards can with certain acceleration percussion stone blocking net 2, and stone blocking net 2 resists the impulsive force of falling rocks 9 form of a kind of Initiative Defense (stone blocking net 2 be) by elastic-plastic deformation.When there is vibration in stone blocking net 2, it is arranged on the online signal processing and analysis device 6 of flexible protective and will gather the vibration characteristics of stone blocking net 2, the signal gathered being carried out preliminary treatment and is transferred to signal transmission system simultaneously, the signal accepted is launched to falling rocks disaster information processing center 8 by the gsm wireless transmitting device at each signal relay station of signal transmission system.The signal accepted is carried out a series of process by the server of inspection center, data after processing are shown on screen, contrasted by the analysis of described dynamic monitoring server, can judge that the object impinged upon on stone blocking net 2 is animal or falling rocks 9 according to the predominant period of reaction acceleration, can also know, according to data, the when and where occurring falling rocks 9 to tumble simultaneously, and judge whether stone blocking net 2 can damage according to the size of impulsive force and the intensity of stone blocking net 2.Then send alarm, remind car, reduce life and property loss, it is possible to realize the stone blocking net 2 to damaging and safeguard targetedly.
The above embodiment of the present invention is only for example of the present invention is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, other multi-form change and variations can also be made on the basis of the above description.Here cannot all of embodiment be given exhaustive.Every belong to apparent change that technical scheme amplified out or the variation row still in protection scope of the present invention.
Claims (10)
1. an intelligent crag collapse rock-fall disaster monitoring system, intercepts sensor-based system, signal transmission system and falling rocks disaster information processing center including falling rocks；Described falling rocks intercepts sensor-based system and intercepts the falling rocks of avalanche, and by signal transmission system, falling rocks information is transferred to falling rocks disaster information processing center, and falling rocks information is distributed to the public by falling rocks disaster information processing center；It is characterized in that:
Described falling rocks intercepts sensor-based system and is made up of n sub-falling rocks interception sensor-based system, and n is the natural number being not zero；Described sub-falling rocks intercepts sensor-based system and includes stone blocking net device and signal processing and analysis device；Described stone blocking net device includes stone blocking net and pillar mechanism, and described stone blocking net is fixed in described pillar mechanism, in order to intercept falling rocks；Described signal processing and analysis device is made up of piezoelectric type 3-axis acceleration sensor, pre-amplification circuit, programmable amplifying circuit, low-pass filter circuit, single-chip microcomputer and the wireless transmitter being sequentially connected with, for stone blocking net vibration information being carried out preliminary treatment and being transferred to signal transmission system；
Described falling rocks disaster information processing center is made up of message recipient, dynamic monitoring server, database server and information warning emitter, and described message recipient is for receiving the stone blocking net vibration information of signal transmission system offer and being transmitted to described dynamic monitoring server；Described database server is used for collecting and store stone blocking net vibration information to form data base, and the information in data base is transferred to described dynamic monitoring server；Described dynamic monitoring server is for carrying out Recognition of Vibration Sources to decide whether to send information warning instruction by the stone blocking net vibration information received with the stone blocking net vibration information in data base；Described information warning emitter is for sending information warning when receiving information warning instruction.
2. intelligent crag collapse rock-fall disaster monitoring system according to claim 1, it is characterised in that described pillar mechanism is made up of two pedestals being fixed on ground and the pillar being separately fixed on two pedestals；The left and right sides of described stone blocking net is separately fixed on two described pillars, so that stone blocking net launches.
3. intelligent crag collapse rock-fall disaster monitoring system according to claim 2, it is characterized in that, described pillar is also connected with at least one anchor slide fastener connection mechanism, and described anchor slide fastener connection mechanism includes anchor and draws pedestal, anchor tie, anchor stay cord, and described anchor draws pedestal to fix on the ground；One end of described anchor tie is fixed on described anchor and draws on pedestal, and the other end is connected with one end of described anchor stay cord；The other end of described anchor stay cord is fixed on described pillar, to strengthen the stability of described stone blocking net device.
4. intelligent crag collapse rock-fall disaster monitoring system according to claim 3, it is characterized in that, the upper and lower side of described stone blocking net is also installed with supporting rope respectively, the two ends of described supporting rope are separately fixed on the described pillar being positioned at described stone blocking net arranged on left and right sides, in order to by straight for the upper and lower layback of described stone blocking net；Described supporting rope, anchor stay cord are additionally provided with pressure-reducing ring.
5. intelligent crag collapse rock-fall disaster monitoring system according to claim 1, it is characterised in that be further fixed on iron wire grid on described stone blocking net.
6. intelligent crag collapse rock-fall disaster monitoring system according to claim 1; it is characterized in that; the top of described pillar mechanism is additionally provided with several natural electric devices; solar panel that described natural electric device includes being sequentially connected with, Charge Management electroplax, for storing the lithium battery of electric energy, discharge protection circuit and lowering and stabilizing blood pressure module composition; described lowering and stabilizing blood pressure module is connected with signal processing and analysis device, in order to provide electric power to described signal processing and analysis device.
7. intelligent crag collapse rock-fall disaster monitoring system according to claim 6; it is characterized in that; also being in series with switching switch between described discharge protection circuit and lowering and stabilizing blood pressure module, this switching switch is also connected with solaode, is used for switching solar panel or lithium battery power supply.
8. intelligent crag collapse rock-fall disaster monitoring system according to claim 7, it is characterised in that described natural electric device also includes wind-driven generator, and this wind-driven generator is connected with Charge Management electroplax.
9. intelligent crag collapse rock-fall disaster monitoring system according to claim 1, it is characterized in that, described signal transmission system is made up of m the signal relay station being arranged between falling rocks interception sensor-based system and falling rocks disaster information processing center, and m is the natural number being not zero；Described signal relay station is made up of bracing frame and the gsm wireless transmitting device being arranged on bracing frame top, and the stone blocking net vibration information for each sub-falling rocks intercepts sensor-based system is transferred to described falling rocks disaster information processing center；Connected by wireless GSM signal between different gsm wireless transmitting devices.
10. the method for real-time based on the arbitrary described intelligent crag collapse rock-fall disaster monitoring system of claim 1-9, it is characterised in that comprise the following steps:
1) massif near highway, railway and cities and towns arranges n sub-falling rocks and intercepts the falling rocks interception sensor-based system of sensor-based system composition, falling rocks disaster information processing center is set in the open ground that physical features is smooth, m signal relay station composition signal transmission system is set between, to form intelligent crag collapse rock-fall disaster monitoring system；N and m is all the natural number being not zero；
2) vibration information on stone blocking net is converted into the signal of telecommunication by the piezoelectric type 3-axis acceleration sensor of the signal processing and analysis device that each sub-falling rocks intercepts sensor-based system, the positional information that this signal of telecommunication and this sub-falling rocks intercept sensor-based system place, after pre-amplification circuit and the amplification of program control chip, filter chip filtering, single-chip microcomputer carry out preliminary treatment, is sent by this signal of telecommunication by wireless transmitter；
3) described signal transmission system is received the signal received and is transferred to described falling rocks disaster information processing center；
4), after the message recipient of described falling rocks disaster information processing center receives the signal of telecommunication and the positional information that sub-falling rocks intercepts sensor-based system, it is transmitted to dynamic monitoring server；The data that the sub-falling rocks received is intercepted in the signal of telecommunication of sensor-based system and positional information and data base by dynamic monitoring server carry out Recognition of Vibration Sources, to decide whether to send information warning instruction；When determining to send information warning instruction, instruction information warning emitter sends information warning by telecommunication operator platform or described signal transmission system, to realize warning；
5) step 2 is repeated)-4), to realize the intelligent real-time monitoring of crag collapse rock-fall disaster.
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