CN105928603B - A kind of scenic spot massif monitoring system based on Fibre Optical Sensor - Google Patents
A kind of scenic spot massif monitoring system based on Fibre Optical Sensor Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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Abstract
The invention discloses a kind of, and the scenic spot massif based on Fibre Optical Sensor monitors system, including vibration monitoring unit, data acquisition unit, onsite alarming unit and control centre's unit, the vibration monitoring unit includes several mechanism for monitoring, the mechanism for monitoring includes that several pass through the sequentially connected fiber-optic grating sensor of optical fiber, massif is evenly arranged along the bottom edge several wideband light sources, the data acquisition unit is arranged in the top of the massif, the massif surface is laid with the mechanism for monitoring, one end of the mechanism for monitoring connects the wideband light source, the other end of the mechanism for monitoring connects the data acquisition unit.The present invention can carry out comprehensive monitoring to disasters such as landslide, falling rocks, and the visitor that area and lower section can occurs to disaster reminds, coping with the disasters such as falling rocks can be with antedating response, and damage of the massif disaster to equipment can be reduced, it remains to continue to monitor when guaranteeing disaster-stricken, persistently provides data for the situation of change of massif.
Description
Technical field
The present invention relates to mountain region disaster monitoring technical fields, and in particular to a kind of scenic spot massif monitoring based on Fibre Optical Sensor
System.
Background technique
Massif disaster includes many types, such as flood, landslide, falling rocks, brushfire, and the production and living of the mankind are made
At huge loss, but contacting very closely for the mankind and massif, it can not be separate for massif disaster, it is therefore desirable to mountain
The disaster of body is monitored alarm, to reduce property loss and casualties.For the massif of tourist attractions, greatly
The massif disaster of multi-panel pair is mud-rock flow, landslide and falling rocks, and uncommon for mountain torrents and brushfire, therefore for mudstone
The monitoring of stream, landslide and falling rocks is the emphasis of tourist district's massif disaster monitoring.
Mud-rock flow refers in mountain area or other cheuch deep gullies, the dangerously steep area of landform because heavy rain, severe snow or other from
The landslide of right disaster initiation and the special mighty torrent for carrying a large amount of silts and stone.Mud-rock flow has sudden and stream
The features such as fast fast, flow is big, and matter content is big and destructive power is strong.Landslide and mud-rock flow are more similar, and landslide refers on slope
The soil body or rock mass are influenced by factors such as river degradation, groundwater activities, rainwater immersion, earthquake and artificial blending rocks, are made in gravity
Under, along certain Weak face perhaps weak band integrally or dispersedly natural phenomena of inclined slope aspect lower slider.Both
It is to carry a large amount of soil sandstones to impacting under mountain, can destroy by rush of water house when serious, the life security of critical visitor, the scape with massif
Area prevents the generation of such disaster by planting a large amount of vegetation, but still has small probability that mud-rock flow and landslide disaster occurs, and causes
Casualties.
Falling rocks refers to that the large-scale stone for having loosening on massif tumbles, on route building and personnel damage, cause
The reason of falling rocks have very much, as stone bottom cause corrosion cause stone be detached from massif to tumble or visitor be not intended to touch lead
It causes stone to tumble, the personnel of stone fall line road can all be damaged.Falling rocks occurs for certain scenic spot within 2015, causes more people dead
Hurt visible falling rocks to the risk of visitor.But scenic spot mostly uses greatly the form of caution board for falling rocks at present, plays to visitor
Warning function, but because falling rocks sudden and uncertain so that caution board is like water off a duck's back, can not play falling rocks situation
It is acted on to monitoring, cannot ensure the life security of visitor.
Optical fiber sensing technology starts from 1977, develops rapidly with the development of Fibre Optical Communication Technology, and optical fiber passes
Sense technology is to measure the important symbol of a national information degree.Understand from Hangzhou Internet of Things and sensing technology application forum
It arrives, optical fiber sensing technology is widely used in military affairs, national defence, space flight and aviation, industrial and mining enterprises, energy environment protection, Industry Control, medicine
There is wide market in the fields such as health, metrology and measurement, building, household electrical appliance.In the world have optical fiber sensing technology hundreds of,
Such as temperature, pressure, flow, displacement, vibration, rotation, bending, liquid level, speed, acceleration, sound field, electric current, voltage, magnetic field
And the physical quantitys such as radiation all realize the sensing of different performance.Current rare optical fiber sensing technology is applied in massif monitoring.
Application No. is a kind of mountain torrents Geological Hazards of debris monitoring early-warning devices of 201410036419.2 disclosure of the invention
And method.The field sensing device and a terminal alarming device that monitoring early-warning device is numbered by 1~n form, and field passes
Induction device by with a distance from terminal alarming device by as far as closely successively sequentially compiling, terminal alarming device to field sensing device into
Row transmission control and signal acquisition.The sensor of field sensing device is multi sensor combination, and terminal alarming device is with channel radio
Letter force transfer mode acquires the signal of field sensing device and is controlled, as needed to the sensing control of field sensing device
Power control module in device processed carries out interruptedly supplying power control, according to force transfer communication and field sensing device into
Row transmission control.The device can be monitored mountain torrents mud-rock flow, but field sensing device includes that function is more, and structure is multiple
It is miscellaneous to involve great expense, and monitored primarily directed to mountain torrents mud-rock flow, it is unable to satisfy the requirement of scenic spot massif disaster monitoring.
Application No. is a kind of mountain region disaster monitoring and forecasting of 201510042319.5 disclosure of the invention and early warning systems, special
Sign is: the system includes data collection system, data transmission system, data processing centre, early warning system；Data collection system
For acquiring related data information and be transmitted to data processing centre by data transmission system, data processing centre will be transmitted
Data are analyzed and processed and are put in storage, and early warning system judges whether to early warning according to the processing result of data processing centre and grasps
Make.The invention can accomplish the monitoring to scenic spot massif disaster, but structure is complicated, difficult wiring and monitoring accuracy is lower.And
The system and device is easy impaired when meeting with massif disaster, cannot cause to monitor to subsequent, but also the weight after disaster-stricken every time
It is larger to build investment, should not promote the use of.
Summary of the invention
The problem to be solved by the invention is to provide a kind of, and the scenic spot massif based on Fibre Optical Sensor monitors system, structure letter
It is single, the disasters such as landslide, falling rocks can be carried out with comprehensive monitoring, and disaster can occur visitor's progress of area and lower section
It reminds, the disasters such as reply falling rocks can reduce casualties, and can reduce massif disaster to the damage of equipment with antedating response
It is bad, it remains to continue to monitor when guaranteeing disaster-stricken, persistently provides data for the situation of change of massif.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of scenic spot massif monitoring system based on Fibre Optical Sensor, including vibration monitoring unit, data acquisition unit, scene
Alarm unit and control centre's unit, the vibration monitoring unit include several mechanism for monitoring, if the mechanism for monitoring includes
Dry passes through the sequentially connected fiber-optic grating sensor of optical fiber, and massif is evenly arranged along the bottom edge several wideband light sources, institute
The data acquisition unit is arranged in the top for stating massif, and the massif surface is laid with the mechanism for monitoring, the mechanism for monitoring
One end connects the wideband light source, and the other end of the mechanism for monitoring connects the data acquisition unit, and the data acquisition is single
Member, control centre's unit and onsite alarming unit are sequentially connected.
Further, 30cm below the earth's surface of the massif is arranged in the vibration monitoring unit.
Further, the fiber-optic grating sensor uses optical fibre grating acceleration sensor, the optical fiber grating sensing
Device setting is passing below vibration hardboard, and furcella is arranged at the top of the biography vibration hardboard.
Further, Dao Neng mechanism is arranged in the side for passing vibration hardboard, and the Dao Neng mechanism is horizontally set on the mountain
On body.
Further, the Dao Neng mechanism includes leading energy aluminum steel, and described lead can aluminum steel surface setting corrosion protective covering.
Further, route expansion bend is set on the optical fiber, and the route expansion bend includes box body, the box body both ends
Inlet and outlet is set, and the cylindrical air bag of setting in the box body, the Optical Fiber Winding is on the air bag.
Further, graphite powder is arranged in the balloon surface.
Further, control centre's unit includes industrial control computer, and the data acquisition unit includes optical fiber
Raster grid analyzer.
Further, the onsite alarming unit includes that the corresponding fiber-optic grating sensor is arranged on the massif
Alarm, controller, GPRS module and power supply, the power supply include wind-solar hybrid generating equipment or battery.
The application method of the system includes the following steps:
1) several fiber-optic grating sensors are sequentially connected obtained mechanism for monitoring by optical fiber, mechanism for monitoring is laid on
On massif, and its input terminal is made to connect wideband light source, output end connects fiber grating Network Analyzer；
2) fiber grating Network Analyzer is connect with the industrial control computer signal of control centre unit；
3) wideband light source issues signal, and fiber grating Network Analyzer detects the variation of signal wavelength and by wavelength signals
Corresponding electric signal is converted to, industrial control computer handles the electric signal received, corresponding wavelength value is calculated,
To calculate the vibration information that corresponding fiber-optic grating sensor monitors；
4) vibration information is analyzed, monitors to vibrate when there is some fiber-optic grating sensor, and half point later
Fiber-optic grating sensor in clock in the lower section of the massif position monitors to vibrate, then falling rocks, mud-rock flow or flood occurs in judgement
Disaster；
5) control centre's unit sends warning message to corresponding onsite alarming unit, prompts that disaster area or disaster occurs
Visitor below area hides.
The present invention provides a kind of tourist district's massif remote monitoring system for disaster, particular for be native stone mixed materials
Scenic spot massif, such massif are easy to happen falling rocks, landslide phenomenon, damage to visitor.Vibration monitoring unit passes through broadband light
Source issues optical signal and propagates in optical fiber, and when light is being transferred to fiber-optic grating sensor and is shaken, wavelength can change,
Realize the monitoring to vibration information, data acquisition unit can convert optical signals to electric signal, and send data in control
Heart unit carries out processing to monitoring data and calculates whether monitor vibration and specific location.Mechanism for monitoring uses several, by
Mountain top is laid with to mountain, and multiple mechanism for monitoring are enough to cover monitoring network into entire massif, and this kind of structure occur mud-rock flow,
When the accidents such as landslide, the direction that soil impacts dynamics is consistent with the laying direction of mechanism for monitoring, can reduce mud to the greatest extent
Impact of the soil to mechanism for monitoring ensure that the integrity of mechanism for monitoring in this way when disaster occurs to the greatest extent, can be to calamity
Massif afterwards continues to monitor, conducive to the expansion of rescue, but also disaster minimizes monitoring device damage, after being conducive to calamity
Rebuild monitoring system.The distance of each wideband light source can be 50 to 500 meters, and the bigger construction cost of distance is lower, but monitors
Precision can decline.Onsite alarming unit is that corresponding each fiber-optic grating sensor is arranged at the scene, can receive control centre
The warning message of unit can star the onsite alarming list below the point and the point when massif point monitors disaster information
Member plays reminding effect to visitor, reduces loss.
In order to protect to vibration monitoring unit, it is buried in 30 centimetres of depth of below ground, moreover it is possible to reduce air
The vibration of interior propagation is influenced caused by it.Fiber-optic grating sensor uses optical fibre grating acceleration sensor, and fiber grating adds
Velocity sensor is to be acquired by mass block to microvibration, and transmit these vibrations to fiber grating mostly, causes wave
Long transformation, it is more accurate to vibration acquisition.Passing vibration hardboard can be improved the collection of vibrational energy, can collect microvibration,
Dao Neng mechanism carries out vibrational energy transmitting to the area between the adjacent mechanism for monitoring of every two, can extend fiber-optic grating sensor
Monitoring range, be conducive to control cost.Route expansion bend protects vibration monitoring unit, can be to light when encountering landslide
Fibre plays buffer function, avoids this large amount of soil impact that optical fiber or fiber-optic grating sensor is caused to be broken, can also be in four seasons temperature
Compensation of expanding with heat and contract with cold is carried out when degree variation.
The present invention also provides a kind of application methods of system, and fiber-optic grating sensor monitors vibration information, when certain
After a sensor monitors vibration, if the sensor in 30 seconds below the position also monitors vibration information, illustrate there is object to exist
The position of massif tumbles, it is meant that the disasters such as falling rocks, landslide occurs, warning message is sent to pair by control centre's unit at this time
The onsite alarming unit in place is answered, the visitor that disaster place and lower section occurs is reminded to hide.
The beneficial effects of the present invention are:
1, use communication optical fiber for point element and transmission medium, structure is simple, there is the advantages of anticorrosive, humidity,
Measurement is accurate, and long-term work is reliable and stable, and does not need to provide electric energy and can realize omnidirectional high-accuracy monitoring to massif,
Practicability is very high；
2, vibration hardboard can will be transferred to apart from the farther away vibration of fiber-optic grating sensor by Dao Neng mechanism, can subtracted
The usage quantity of few optical fiber and sensor accelerates construction progress conducive to cost is reduced；
3, route expansion bend protects vibration monitoring unit, can play buffering to optical fiber when encountering landslide and make
With avoiding this large amount of soil from impacting causes optical fiber or fiber-optic grating sensor to be broken, and can also carry out when temperature in four seasons changes
It expands with heat and contract with cold compensation；
4, the disasters such as landslide, falling rocks can be carried out with comprehensive monitoring, and disaster can be occurred regional and lower section
Visitor reminds, and reply falling rocks etc. disasters can reduce casualties with antedating response, and can reduce massif disaster to setting
Standby damage remains to continue to monitor when guaranteeing disaster-stricken, persistently provides data for the situation of change of massif.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is that the present invention is based on the system construction drawings of the scenic spot massif of Fibre Optical Sensor monitoring system；
Fig. 2 is the structural schematic diagram of vibration monitoring unit of the present invention；
Fig. 3 is the structural schematic diagram of mechanism for monitoring and onsite alarming unit of the present invention；
Fig. 4 is the structural schematic diagram of Dao Neng mechanism of the present invention；
Fig. 5 is the structural schematic diagram of route expansion bend of the present invention.
Specific embodiment
Technical solution of the present invention is further shown below with reference to Fig. 1 to Fig. 5, specific embodiment is as follows:
Embodiment one
It is as shown in Figures 1 to 4: a kind of scenic spot massif monitoring system based on Fibre Optical Sensor is present embodiments provided, including
Vibration monitoring unit 1, data acquisition unit 2, onsite alarming unit 3 and control centre's unit 4, the vibration monitoring unit 1 wrap
Several mechanism for monitoring 5 are included, the mechanism for monitoring 5 includes that several pass through the sequentially connected fiber-optic grating sensor 7 of optical fiber 6,
Massif 8 is evenly arranged along the bottom edge several wideband light sources 9, and the data acquisition unit 2 is arranged in the top of the massif 8,
8 surface of massif is laid with the mechanism for monitoring 5, and one end of the mechanism for monitoring 5 connects the wideband light source 9, the monitoring
The other end of mechanism 5 connects the data acquisition unit 2, the data acquisition unit 2, control centre's unit 4 and onsite alarming
Unit 3 is sequentially connected.
Particular for be native stone mixed materials scenic spot massif, such massif be easy to happen falling rocks, landslide phenomenon, to trip
People damages.Vibration monitoring unit issues optical signal by wideband light source and propagates in optical fiber, when light is being transferred to optical fiber light
When gate sensor is shaken, wavelength can change, and realize the monitoring to vibration information, data acquisition unit can be by optical signal
Electric signal is converted to, and sends data to control centre's unit, whether monitoring data are carried out handling to calculate monitoring to shake
Dynamic and specific location.Mechanism for monitoring uses several, is laid with by mountain top to mountain, multiple mechanism for monitoring are enough to cover monitoring network
Cover entire massif, and this kind of structure be when occurring the accidents such as mud-rock flow, landslide, the direction of soil impact dynamics and mechanism for monitoring
It is consistent to be laid with direction, impact of the soil to mechanism for monitoring can be reduced to the greatest extent, in this way when disaster occurs, utmostly
The integrity that ensure that mechanism for monitoring, the massif after calamity can be continued to monitor, conducive to the expansion of rescue, but also calamity
Evil minimizes monitoring device damage, is conducive to post-disaster reconstruction and monitors system.The distance of each wideband light source can be 50 to 500
Rice, the bigger construction cost of distance is lower, but the precision monitored can decline.Onsite alarming unit is that corresponding each fiber grating passes
Sensor is arranged at the scene, can receive the warning message of control centre's unit, can be with when massif point monitors disaster information
Start the onsite alarming unit below the point and the point, reminding effect is played to visitor, reduces loss.
30cm below the earth's surface of the massif 8 is arranged in the vibration monitoring unit 1, and vibration monitoring unit is mainly to cunning
The vibration that the heavy objects such as slope, falling rocks impact or slip over ground is monitored, and is directly filtered to small vibrating, therefore is arranged on ground
It under face, can also prevent tourist or falling rocks from damaging to it, protect equipment safety, but ground mistake can not be embedded to
It is deep, it can die down to the vibration monitoring effect on ground, therefore the depth of 30cm.
The fiber-optic grating sensor 7 uses optical fibre grating acceleration sensor, and the setting of fiber-optic grating sensor 7 exists
10 lower section of vibration hardboard is passed, furcella 11 is set at the top of the biography vibration hardboard 10.Optical fibre grating acceleration sensor by mass block come
Microvibration is acquired, and transmits these vibrations to fiber grating, causes wavelength conversion, it is more accurate to vibration acquisition.It passes
The hardboard material of the other materials of stainless steel plate can be used in vibration hardboard, and the effect on basis is played to fiber-optic grating sensor, improves vibration
Transmission efficiency, furcella increase with the contact area of massif, more vibrational energies can be received, it is more smart to the monitoring of vibration
Standard, furcella, which is set up, more easily receives the vibration from ground.
Dao Neng mechanism 12 is arranged in the side for passing vibration hardboard 10, and the Dao Neng mechanism 12 is horizontally set on the massif 8
On, two adjacent mechanism for monitoring are smaller in massif top spacing, and monitoring accuracy is higher, but massif lower part gradually broadens, monitoring
Spacing between mechanism becomes larger, and monitoring effect can die down, and can be received the vibrational energy at intermediate position by Dao Neng mechanism
Collect and be transmitted to vibration hardboard, can guarantee comprehensive spreadability of massif vibration monitoring on the basis of reducing investment.The situation
Under the vibration information that monitors of each fiber-optic grating sensor include the place of its embedment and the region of Dao Neng mechanism covering, prison
The range of survey is very big, can save great amount of cost.
The Dao Neng mechanism 12 includes leading energy aluminum steel, and described lead can aluminum steel surface setting corrosion protective covering.Dao Neng mechanism needs
There is plasticity, but be also required to have to the good transitivity of vibrational energy, therefore soft rubber etc. is not easy to use, Ke Yikao
Consider the metals such as copper, aluminium, it is contemplated that price recommendation uses aluminum steel, and aluminum steel can transmit vibration, will be far from fiber-optic grating sensor area
The vibration in domain is transferred on vibration hardboard, and economical and practicability is all fine.Can aluminum steel surface wrap up become attached to material layer or
Person carries out preservative treatment to aluminum steel by zinc-plated, sprayed protection paint mode.
Embodiment two
As shown in Figure 1, Figure 2 and shown in Fig. 5: the present embodiment additionally provides a kind of scenic spot massif monitoring system based on Fibre Optical Sensor
System, including vibration monitoring unit 1, data acquisition unit 2, onsite alarming unit 3 and control centre's unit 4, the vibration monitoring
Unit 1 includes several mechanism for monitoring 5, and the mechanism for monitoring 5 includes that several are passed by the sequentially connected fiber grating of optical fiber 6
Sensor 7, massif 8 are evenly arranged along the bottom edge several wideband light sources 9, and the data acquisition is arranged in the top of the massif 8
Unit 2,8 surface of massif are laid with the mechanism for monitoring 5, and one end of the mechanism for monitoring 5 connects the wideband light source 9, institute
The other end for stating mechanism for monitoring 5 connects the data acquisition unit 2, the data acquisition unit 2, control centre's unit 4 and existing
Field alarm unit 3 is sequentially connected.
Route expansion bend 13 is set on the optical fiber 6, and the route expansion bend 13 includes box body 14,14 both ends of box body
Import 15 and outlet 16 are set, and the cylindrical air bag 17 of setting, the optical fiber 6 are wrapped in the air bag 17 in the box body 14
On.Although mechanism for monitoring of the present invention is laid with along the direction on mountain top to the foot of the hill, soil is to mechanism for monitoring when reducing the disasters such as landslide
Impact dynamics, it is contemplated that the factors such as massif tendency, mechanism for monitoring is still subject to the impact dynamics of part, and route expansion bend can
Buffer function is played to entire mechanism for monitoring to discharge the optical fiber of storage when being impacted.The principle of expansion bend passes through optical fiber
It is wrapped on cylindric air bag, air bag has certain elasticity, when the rear gasbag of optical fiber under tension can be retracted, the light of winding
Fibre can be released a part to offset impact force, when optical fiber not by pulling force or summer optical fiber by thermal stretching when spring can be to light
Fibre plays the role of contraction, and cylindric air bag can focus fibre automatically and carry out flexible adjustment, guarantees the stability of equipment operation.
Graphite powder is arranged in 17 surface of air bag, in order to guarantee air bag smooth contraction and meanwhile optical fiber smoothly discharged it is extra
Length, smear graphite powder in balloon surface and reduce frictional force between air bag and optical fiber, effect is more preferable.Pressure can be set in box body
Force snesor, pressure sensor are connect by wireless telecommunications system with control centre, and lithium can be used in the power supply of wireless telecommunications system
Battery is usually in dormant state, and power consumption very little, which, can be in air bag by air sac pressing
Air pressure continues to monitor, and when air bag gas leakage, pressure sensor monitoring can send control centre's unit less than the pressure being subject to
Information reminds staff to overhaul.
Embodiment three
As shown in figures 1 and 3: the present embodiment additionally provides a kind of scenic spot massif monitoring system based on Fibre Optical Sensor, packet
Include vibration monitoring unit 1, data acquisition unit 2, onsite alarming unit 3 and control centre's unit 4, the vibration monitoring unit 1
Including several mechanism for monitoring 5, the mechanism for monitoring 5 includes that several pass through the sequentially connected fiber-optic grating sensor of optical fiber 6
7, massif 8 is evenly arranged along the bottom edge several wideband light sources 9, and the data acquisition unit is arranged in the top of the massif 8
2,8 surface of massif is laid with the mechanism for monitoring 5, and one end of the mechanism for monitoring 5 connects the wideband light source 9, the prison
The other end for surveying mechanism 5 connects the data acquisition unit 2, the data acquisition unit 2, control centre's unit 4 and scene report
Alert unit 3 is sequentially connected.
Control centre's unit 4 includes industrial control computer, and the data acquisition unit 2 includes fiber grating network
Analyzer, the onsite alarming unit 3 include the corresponding fiber-optic grating sensor be arranged on the massif alarm 18,
Controller 19, GPRS module 20 and power supply 21, the power supply 21 include wind-solar hybrid generating equipment or battery.
Fiber grating Network Analyzer detects the variation of wavelength and wavelength signals is converted to corresponding electric signal, simultaneously
Send control centre's unit to.Industrial control computer carries out processing to monitoring data and calculates whether monitor vibration and specific
Position, and wirelessly launch warning message when monitoring disaster.It is single that GPRS module receives control centre
The warning message that member is sent, and it is sent to controller, controller sends instruction control alarm response, mentions to tourist around
It wakes up.Onsite alarming unit does not use line powering, carries out self-energizing by wind-solar hybrid generating equipment or is carried out using battery
Power supply reduces equipment investment.
Example IV
The present embodiment additionally provides the application method of the monitoring system of the scenic spot massif based on Fibre Optical Sensor, including walks as follows
It is rapid:
1) several fiber-optic grating sensors are sequentially connected obtained mechanism for monitoring by optical fiber, mechanism for monitoring is laid on
On massif, and its input terminal is made to connect wideband light source, output end connects fiber grating Network Analyzer；
2) fiber grating Network Analyzer is connect with the industrial control computer signal of control centre unit；
3) wideband light source issues signal, and fiber grating Network Analyzer detects the variation of signal wavelength and by wavelength signals
Corresponding electric signal is converted to, industrial control computer handles the electric signal received, corresponding wavelength value is calculated,
To calculate the vibration information that corresponding fiber-optic grating sensor monitors；
4) vibration information is analyzed, monitors to vibrate when there is some fiber-optic grating sensor, and half point later
Fiber-optic grating sensor in clock in the lower section of the massif position monitors to vibrate, then falling rocks, mud-rock flow or flood occurs in judgement
Disaster；
5) control centre's unit sends warning message to corresponding onsite alarming unit, prompts that disaster area or disaster occurs
Visitor below area hides.
Fiber-optic grating sensor monitors vibration information, after some sensor monitors vibration, if the position in 30 seconds
The sensor of lower section also monitors vibration information, illustrates have object to tumble in the position of massif, it is meant that falling rocks, landslide occurs
Etc. disasters, warning message is sent to the onsite alarming unit in corresponding place by control centre's unit at this time, is reminded disaster occurs
The visitor of point and lower section hides.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (6)
1. a kind of scenic spot massif based on Fibre Optical Sensor monitors system, it is characterised in that: acquired including vibration monitoring unit, data
Unit, onsite alarming unit and control centre's unit, the vibration monitoring unit include several mechanism for monitoring, the monitoring machine
Structure includes several by the sequentially connected fiber-optic grating sensor of optical fiber, and massif is evenly arranged along the bottom edge several broadbands
The data acquisition unit is arranged in light source, the top of the massif, and the massif surface is laid with the mechanism for monitoring, the monitoring
One end of mechanism connects the wideband light source, and the other end of the mechanism for monitoring connects the data acquisition unit, the data
Acquisition unit, control centre's unit and onsite alarming unit are sequentially connected, and the fiber-optic grating sensor is added using fiber grating
Velocity sensor, the fiber-optic grating sensor setting are passing below vibration hardboard, and furcella is arranged at the top of the biography vibration hardboard, described
Dao Neng mechanism is arranged in the side for passing vibration hardboard, and the Dao Neng mechanism is horizontally set on the massif, and the Dao Neng mechanism includes
Energy aluminum steel is led, described lead can aluminum steel surface setting corrosion protective covering.
2. the scenic spot massif based on Fibre Optical Sensor monitors system as described in claim 1, it is characterised in that: the vibration monitoring
30cm below the earth's surface of the massif is arranged in unit.
3. the scenic spot massif based on Fibre Optical Sensor monitors system as described in claim 1, it is characterised in that: set on the optical fiber
Route expansion bend is set, the route expansion bend includes box body, and inlet and outlet, setting in the box body is arranged in the box body both ends
Cylindrical air bag, the Optical Fiber Winding is on the air bag.
4. the scenic spot massif based on Fibre Optical Sensor monitors system as claimed in claim 3, it is characterised in that: the balloon surface
Graphite powder is set.
5. the scenic spot massif based on Fibre Optical Sensor monitors system as described in claim 1, it is characterised in that: the control centre
Unit includes industrial control computer, and the data acquisition unit includes fiber grating Network Analyzer.
6. the scenic spot massif based on Fibre Optical Sensor monitors system as described in claim 1, it is characterised in that: the onsite alarming
Unit includes alarm, controller, GPRS module and the power supply that the corresponding fiber-optic grating sensor is arranged on the massif,
The power supply includes wind-solar hybrid generating equipment or battery.
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| CN201610277868.5A CN105928603B (en) | 2016-04-28 | 2016-04-28 | A kind of scenic spot massif monitoring system based on Fibre Optical Sensor |
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| CN201610277868.5A CN105928603B (en) | 2016-04-28 | 2016-04-28 | A kind of scenic spot massif monitoring system based on Fibre Optical Sensor |
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| CN105928603B true CN105928603B (en) | 2019-03-19 |
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| CN111579057A (en) * | 2020-05-26 | 2020-08-25 | 郑州海为电子科技有限公司 | Omnidirectional vibration perception detector |
| CN114414030B (en) * | 2021-12-10 | 2024-01-26 | 中南安全环境技术研究院股份有限公司 | Positioning boundary pile for field search and rescue and positioning method |
| CN114838688B (en) * | 2022-05-04 | 2023-09-26 | 赵国鹏 | Geological disaster monitoring method and device |
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