CN104359396A - Landslide deep inclination monitoring device and method - Google Patents
Landslide deep inclination monitoring device and method Download PDFInfo
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- CN104359396A CN104359396A CN201410728362.2A CN201410728362A CN104359396A CN 104359396 A CN104359396 A CN 104359396A CN 201410728362 A CN201410728362 A CN 201410728362A CN 104359396 A CN104359396 A CN 104359396A
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Abstract
The invention relates to a landslide deep inclination monitoring device and method, wherein the landslide deep inclination monitoring device comprises a plurality of landslide deep inclination monitoring probes and a monitoring instrument, wherein the plurality of landslide deep inclination monitoring probes are serially connected and are arranged in different layers of a landslide deep, the plurality of landslide deep inclination monitoring probes are connected with the monitoring instrument and used for detecting the landslide deep and feeding detected current signals back to the monitoring instrument; the monitoring instrument is used for controlling the plurality of landslide deep inclination monitoring probes to start or stop detection and calculating displacement changes of different layers in the landslide deep according to the detected current signals transmitted by the plurality of landslide deep inclination monitoring probes and sending the displacement changes in a wireless signal manner. According to the landslide deep inclination monitoring device, the plurality of landslide deep inclination monitoring probes are freely serially connected by virtue of a multi-core cable, so that quasi-distributed and long-distance automatic monitoring of inclinations of different layers in the landslide deep is realized.
Description
Technical field
The present invention relates to electronic monitoring technical field, particularly relate to a kind of landslide depth tilt angle monitoring device and method.
Background technology
China is the multiple country of landslide disaster, and landslide disaster often causes casualties, and road is buried, and house is damaged, and the security of the lives and property of the country and people in serious threat.Before and after Landslide Hazards prediction and governance process, the monitoring of Landslide Deformation situation is a key and important research topic.
The success prediction on current great majority landslide, mainly by earth's surface personal monitoring, relies on veteran professional and technical personnel to carry out field observation to the scene that may occur to come down, with this trend whether having and continue development that judges to come down.And to being still in the landslide in initial deformation stage and steady-state deformation stage, overall prediction be carried out, especially deep deformation prediction, must by means of multiple advanced instrument equipment.In landslide depth deformation monitoring in the past, mainly based on borehole inclinometer.But because it exists test job amount greatly, the shortcomings such as automaticity is not high, and operated from a distance is more difficult, and real-time is inadequate, limit its application.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of landslide depth tilt angle monitoring device and method, in order to solve the problem in prior art, Landslide Prediction being only limitted to earth's surface monitoring.
Object of the present invention is mainly achieved through the following technical solutions:
The invention provides a kind of landslide depth tilt angle monitoring device, comprising: multiple landslide depth inclination angle monitoring probe and monitoring instrument, wherein, multiple described landslide depth inclination angles monitoring probe is together in series, and is arranged in different layers position, depths, landslide,
Described landslide depth inclination angle monitoring probe, is connected with described monitoring instrument, for detecting depths, landslide, and the current signal detected is fed back to described monitoring instrument;
Described monitoring instrument, start or stop detection for controlling multiple described landslide depth inclination angles monitoring probe, and carry out calculating the change in displacement of different layers position, depths, landslide according to the current signal that depths, the described landslide sensor carrying out detecting is sent and send with wireless signal form.
Further, described landslide depth inclination angle monitoring probe specifically comprises: polycore cable, current mode double-shaft tilt angle sensor, sensor handover module and gas-tight silo, and wherein, current mode double-shaft tilt angle sensor is connected with sensor handover module by wire, be sealed in together in pressurized capsule
Described current mode double-shaft tilt angle sensor, for detecting position, and sends to described monitoring instrument by result of detection with the form of the current signal of X, Y-direction;
Described sensor handover module, triggers for the request according to described detecting instrument or closes described current mode double-shaft tilt angle sensor.
Further, described sensor switch comprises: polycore cable interface, sensor interface, decoder circuit and relay circuit, wherein,
Described demoder and related circuit, its control input end is connected with described monitoring instrument by described polycore cable interface, sends ID coded command for receiving described monitoring instrument and sends to corresponding demoder to decode;
Described sensor assembly interface, for connecting with described current mode double-shaft tilt angle sensor, the X exported by described twin shaft electric current obliquity sensor, the current signal of Y-direction send to described monitoring instrument;
Described relay and related circuit, be connected with demoder, and realize the break-make of relay under the control of demoder, thus control the on off operating mode of monitoring instrument and each current mode double-shaft tilt angle sensor.
Further, described monitoring instrument specifically comprises: encoder-driven circuit, current measurement module, microprocessor control module, wireless transmitter module and power module, wherein,
Described encoder-driven circuit, adopts 74LS04 chip and triode 9013 to form driving circuit, in order to improve the ID coded command that microprocessor control module exports;
Described current measurement module, for twin shaft electric current obliquity sensor is exported X, Y-direction current signal measure, and the current signal of measurement is exported to microprocessor control module;
Described microprocessor control module, for the current signal received is converted to voltage signal, and calculate according to the voltage signal after conversion, calculate the change at monitoring probe inclination angle, inclination angle, each deep, so calculate different layers position change in displacement and described in sending to;
Described wireless transport module, launches for result microprocessor control module calculated;
Described power module, for the voltage for monitoring device work.
Further, described current measurement module is two independently Measurement channel, each Measurement channel includes: I/V change-over circuit, filtering circuit, main discharge road and biased reference potential circuit, wherein, first the current signal that described current mode double-shaft tilt angle sensor exports is converted to suitable voltage signal through I/V change-over circuit, the voltage signal that I/V change-over circuit exports, after resistor network dividing potential drop 1/3, inputs single order active filter circuit; Input again after main discharge road is amplified after single order active filter circuit filtering high-frequency interferencing signal and export to described micro-processing and control module.
Further, described microprocessor control module specifically comprises: microcontroller, storer, display and input end form, wherein, microcontroller is used for the voltage signal after according to conversion and calculates, calculate the change at monitoring probe inclination angle, inclination angle, each deep, and then calculate the change in displacement of different layers position; Its AD converter carried is for being converted to magnitude of voltage by the current value exported from described current measurement module, and the Multi-serial port carried is for driving storer and wireless transmitter module, and the GPIO mouth carried is for driving display.
Present invention also offers a kind of landslide depth inclination angle monitoring method, comprising:
Multiple described landslide depth inclination angles monitoring probe is together in series, is arranged in different layers position, depths, landslide, and described landslide depth inclination angle monitoring probe is connected with described monitoring instrument;
Described monitoring instrument controls multiple described landslide depth inclination angles monitoring probe and starts or stops detection;
When a certain landslide depth inclination angle monitoring probe detects depths, landslide according to the request startup of described monitoring instrument, the current signal detected is fed back to described monitoring instrument;
Described monitoring instrument calculates according to the current signal sent from depths, the described landslide sensor carrying out detecting, and obtains the change in displacement of different layers position, depths, landslide and sends with wireless signal form.
Further, described method comprises further:
Described landslide depth inclination angle monitoring probe resolves decoding after receiving the ID coded command that described monitoring instrument sends, and detects, and result of detection is sent to described monitoring instrument with the form of the current signal of X, Y-direction to startup to its position.
Further, comprise further:
Described monitoring instrument has received described landslide depth inclination angle monitoring probe when sending current signal, the current signal received is converted to voltage signal, and calculate according to the voltage signal after conversion, calculate the change at the monitoring probe inclination angle, each inclination angle arranged in landslide depth, and then calculate the change in displacement of different layers position and send in a wireless form.
Beneficial effect of the present invention is as follows:
By a polycore cable being freely connected in series multiple deep inclination angle monitoring probe, realize quasi-distributed, the monitoring automatically at a distance to inclination angle, landslide depth different layers position.
Other features and advantages of the present invention will be set forth in the following description, and, becoming apparent from instructions of part, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing only for illustrating the object of specific embodiment, and does not think limitation of the present invention, and in whole accompanying drawing, identical reference symbol represents identical parts.
Fig. 1 in device described in the embodiment of the present invention, the structural representation of landslide depth inclination angle monitoring probe;
Fig. 2 in device described in the embodiment of the present invention, the structural representation of sensor handover module;
Fig. 3 in device described in the embodiment of the present invention, the structural representation of monitoring instrument;
Fig. 4 is the schematic flow sheet of method described in the embodiment of the present invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and together with embodiments of the present invention for explaining principle of the present invention.
Described in the embodiment of the present invention, device mainly comprises two parts, i.e. multiple landslide depth inclination angle monitoring probe and monitoring instrument, wherein, multiple landslide depth inclination angle monitoring probe and monitoring instrument, wherein, multiple described landslide depth inclination angles monitoring probe is together in series, and be arranged in different layers position, depths, landslide
Landslide depth inclination angle monitoring probe, is connected with described monitoring instrument, is mainly used in detecting depths, landslide, and the current signal detected is fed back to described monitoring instrument;
Monitoring instrument, be mainly used in controlling multiple described landslide depth inclination angles monitoring probes and start or stop detection, and carry out calculating the change in displacement of different layers position, depths, landslide according to the current signal that depths, the described landslide sensor carrying out detecting is sent and send with wireless signal form.
Specifically, each landslide depth inclination angle monitoring probe mainly comprises: polycore cable, current mode double-shaft tilt angle sensor module, sensor handover module, gas-tight silo.Two adjacent monitoring probes can be connected by nonrigid connector, and multiple monitoring probe is together in series by above-mentioned polycore cable.Monitoring instrument mainly comprises: encoder-driven module, current measurement module, microprocessor control module, wireless transmitter module and power supply mould.Wherein, landslide depth inclination angle monitoring probe passes through the encoder-driven model calling of sensor handover module and monitoring instrument.
Respectively landslide depth inclination angle monitoring probe and monitoring instrument will be described in detail by reference to the accompanying drawings respectively below.
As shown in Figure 1, Fig. 1 is the structural representation of landslide depth inclination angle monitoring probe, specifically can comprise: polycore cable 1, current mode double-shaft tilt angle sensor 2, sensor handover module 3 and gas-tight silo 4.Wherein, current mode double-shaft tilt angle sensor 2 is connected with sensor handover module 3 by wire, encapsulation is fixed in gas-tight silo 4 together, gas-tight silo 4 is fixed on inside stainless steel inserting tube 6, and adjacent two monitoring probes are connected by nonrigid connector 5, and multiple monitoring probe is together in series by polycore cable.Above-mentioned gas-tight silo adopts stainless-steel tube design, for packaged battery flow pattern double-shaft tilt angle sensor module and sensor handover module, has the feature of sealing, waterproof, maximum water pressure resistance 150 meters.Nonrigid connector adopts polyester material to make, and has the advantages that intensity is high, elasticity is high, and maximum energy 45 degree of any directions bend.This landslide depth inclination angle monitoring probe can also comprise nonrigid connector 5 and stainless steel inserting tube 6, play fixation, but specifically also will determine the need of these two parts according to condition of construction, and the form of connector and inserting tube and material to determine according to construction concrete condition.
As shown in Figure 2, Fig. 2 is the structural representation of sensor handover module 3, mainly comprises: polycore cable interface 31, sensor assembly interface 32, demoder and related circuit 33 and relay and related circuit 34.Wherein, the control input end of demoder and related circuit 33 is connected with monitoring instrument by polycore cable interface 31, multiple landslide depth inclination angles monitoring probe uses a polycore cable to realize serial connection by polycore cable interface 31 simultaneously, and sensor interface 32 is for connecting with current mode double-shaft tilt angle sensor 2.The demoder of each sensor handover module 3 and related circuit 33 have one unique No. ID, the microcontroller of monitoring instrument end sends ID coded command by encoder-driven circuit, the demoder only meeting ID coded command responds this order, again by controlling the break-make of the relay that demoder is therewith connected, thus control the connection status of monitoring instrument and each current mode double-shaft tilt angle sensor 2.
Above-mentioned current mode double-shaft tilt angle sensor 2 can adopt SCA100T measurement of dip angle chip to be sensitive element, and the electric current change at its X and Y-direction inclination angle being converted to 4-20mA exports.
As shown in Figure 3, Fig. 3 is the structural representation of monitoring instrument, mainly can comprise: encoder-driven circuit a, current measurement module b, microprocessor control module c, wireless transmitter module d and power module e.
Wherein, encoder-driven circuit a, adopts 74LS04 chip and triode 9013 to form driving circuit, in order to improve the command code that STM32 microcontroller exports, thus is conducive to long-distance transmissions.
Current measurement module b, two independently Measurement channel, its I/V change-over circuit b1 formed by instrument amplifier AD623 by it, the single order active filter circuit b2 that operational amplifier OPA335 forms, the 500mV biased reference potential circuit b4 that the main discharge road b3 of the in-phase amplification circuit that operational amplifier OPA335 forms and reference voltage source ADR130 is formed forms, , be responsible for the X that twin shaft electric current obliquity sensor is exported, the voltage signal of 0-2.4V is converted to after the electric I/V change-over circuit b1 of Y-direction, in order to the undesired signal in filtering measuring-signal to greatest extent, the signal that I/V change-over circuit b1 exports is through resistor network dividing potential drop 1/3, input single order active filter circuit b2, single order active filter circuit b2 forms, for filtering high-frequency interferencing signal primarily of operational amplifier OPA335, filtered signal inputs the main discharge road b3 of the in-phase amplification circuit be made up of operational amplifier OPA335 again, amplify 5 times, the output voltage range on main discharge road, at 125mV ~ 3125mV, meets the voltage range of the 0 ~ 3.3V required for AD of STM32 microcontroller.
Microprocessor control module c, mainly comprises: microcontroller c1 (such as STM32 microcontroller), storer c2 (such as USB flash disk memory module), display c3 (being generally liquid crystal display) and input end c4 (such as keyboard) composition.STM32 microcontroller c1 is the core of data acquisition process, its AD converter carrying 12 is for changing the magnitude of voltage exported from current measurement module, the Multi-serial port carried is for driving storer c2 and wireless transmitter module 4, and its GPIO mouth is used for driving liquid crystal displays LCD1602 and 5 free-standing input key; The U disk file module for reading and writing based on CH375 that storer c2 can adopt Nanjing Qin Heng company to produce.
The DTU digital transmission module (GF-2008AW/GPRS) that wireless biography transmitter module d can be produced by Beijing Jia Fuxin Science and Technology Ltd., its data be responsible for STM32 microcontroller collects are transmitted into control center by GPRS network, the data that control center is launched by acquisition software reception STM32 microcontroller, thus realize the remote monitoring to the distortion of landslide depth inclination angle.
Power module e, primarily of lithium battery and three-terminal voltage-stabilizing chip composition, it provides 12V, 9V and 5V required for monitoring device work voltage.
It should be noted that, brand or the model of each device above are only citing, are not limited to above-mentioned given brand or model in actual implementation procedure, as long as can realize device that is identical or similar functions.
Next method described in 4 pairs of embodiment of the present invention is described in detail by reference to the accompanying drawings.
As shown in Figure 4, Fig. 4 is the schematic flow sheet of method described in the embodiment of the present invention, mainly comprises the steps:
Step 401: be together in series by multiple landslide depth inclination angles monitoring probe, is arranged in different layers position, depths, landslide, and is connected with monitoring instrument by landslide depth inclination angle monitoring probe;
Step 402: monitoring instrument controls multiple landslide depth inclination angles monitoring probe and starts or stops detection;
Step 403: when a certain landslide depth inclination angle monitoring probe detects depths, landslide according to the request startup of monitoring instrument, the current signal detected is fed back to described monitoring instrument; Be exactly specifically, landslide depth inclination angle monitoring probe resolves decoding after receiving the ID coded command that described monitoring instrument sends, startup is detected its position, and result of detection is sent to described monitoring instrument with the form of the current signal of X, Y-direction;
Step 404: monitoring instrument calculates according to the current signal sent from depths, the described landslide sensor carrying out detecting, obtains the change in displacement of different layers position, depths, landslide and sends with wireless signal form.Be exactly specifically, monitoring instrument has received landslide depth inclination angle monitoring probe when sending current signal, the current signal received is converted to voltage signal, and calculate according to the voltage signal after conversion, calculate the change at the monitoring probe inclination angle, each inclination angle arranged in landslide depth, and then calculate the change in displacement of different layers position and send in a wireless form.
Above-mentioned detection method is not only suitable for monitoring device described in the embodiment of the present invention, also be suitable for other and there is multiple landslide depth inclination angle monitoring probe and monitoring instrument, further combined with monitoring device described in the embodiment of the present invention, observation process is further described below.
First according to landslide borehole data, landslide depth inclination angle monitoring probe is arranged on the layer position needing to carry out inclination angle monitoring, connect with nonrigid connector between each probe, and access monitoring instrument end after using a polycore cable to be serially connected by each sensor by sensor handover module, the STM32 microcontroller of monitoring instrument is ordered to each sensor handover module write by encoder-driven circuit, the demoder of ID of only meeting the requirements just can respond the order of STM32 microcontroller, thus the connection status of each landslide depth inclination angle monitoring probe and monitoring instrument is controlled by relay circuit.When tested landslide depth generation change of pitch angle, drive the change of landslide depth inclination angle probe, the change of pitch angle of different layers position probe can be different, and the current signal that each probe obliquity sensor exports transfers to monitoring instrument by polycore cable; STM32 microcontroller by sending different orders, thus can be connected being serially connected in landslide depth inclination angle monitoring probe timesharing all on same cable with monitoring instrument in turn, completes the control to all inclination angles monitoring probe and sampling.The output current of landslide depth inclination angle monitoring probe is successively through the I/V change-over circuit of current measurement passage, filtering circuit and main discharge road, be converted to the voltage of the AD scope meeting STM32 microcontroller, STM32 microcontroller is according to the voltage swing measured, be combined the characteristic of obliquity sensor module again, calculate the change at monitoring probe inclination angle, inclination angle, each deep, thus the change at inclination angle, landslide depth different layers position can be drawn, be combined the length of inclination angle probe again, the change in displacement of different layers position can be calculated.
In sum, embodiments provide a kind of landslide depth tilt angle monitoring device and method,
The present invention has the feature of quasi-distributed, automatic collection, remote transmission, only needs a polycore cable multiple landslide depth inclination angles monitoring probe can be connected in series, realizes monitoring the inclination angle of landslide depth different layers position.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a landslide depth tilt angle monitoring device, is characterized in that, comprising: multiple landslide depth inclination angle monitoring probe and monitoring instrument, and wherein, multiple described landslide depth inclination angles monitoring probe is together in series, and is arranged in different layers position, depths, landslide,
Described landslide depth inclination angle monitoring probe, is connected with described monitoring instrument, for detecting depths, landslide, and the current signal detected is fed back to described monitoring instrument;
Described monitoring instrument, start or stop detection for controlling multiple described landslide depth inclination angles monitoring probe, and carry out calculating the change in displacement of different layers position, depths, landslide according to the current signal that depths, the described landslide sensor carrying out detecting is sent and send with wireless signal form.
2. device according to claim 1, it is characterized in that, described landslide depth inclination angle monitoring probe specifically comprises: polycore cable, current mode double-shaft tilt angle sensor, sensor handover module and gas-tight silo, wherein, current mode double-shaft tilt angle sensor is connected with sensor handover module by wire, be sealed in together in pressurized capsule
Described current mode double-shaft tilt angle sensor, for detecting position, and sends to described monitoring instrument by result of detection with the form of the current signal of X, Y-direction;
Described sensor handover module, triggers for the request according to described detecting instrument or closes described current mode double-shaft tilt angle sensor.
3. device according to claim 2, is characterized in that, described sensor switch comprises: polycore cable interface, sensor interface, decoder circuit and relay circuit, wherein,
Described demoder and related circuit, its control input end is connected with described monitoring instrument by described polycore cable interface, sends ID coded command for receiving described monitoring instrument and sends to corresponding demoder to decode;
Described sensor assembly interface, for connecting with described current mode double-shaft tilt angle sensor, the X exported by described twin shaft electric current obliquity sensor, the current signal of Y-direction send to described monitoring instrument;
Described relay and related circuit, be connected with demoder, and realize the break-make of relay under the control of demoder, thus control the on off operating mode of monitoring instrument and each current mode double-shaft tilt angle sensor.
4. the device according to claim 1,2 or 3, is characterized in that, described monitoring instrument specifically comprises: encoder-driven circuit, current measurement module, microprocessor control module, wireless transmitter module and power module, wherein,
Described encoder-driven circuit, adopts 74LS04 chip and triode 9013 to form driving circuit, in order to improve the ID coded command that microprocessor control module exports;
Described current measurement module, for twin shaft electric current obliquity sensor is exported X, Y-direction current signal measure, and the current signal of measurement is exported to microprocessor control module;
Described microprocessor control module, for the current signal received is converted to voltage signal, and calculate according to the voltage signal after conversion, calculate the change at monitoring probe inclination angle, inclination angle, each deep, so calculate different layers position change in displacement and described in sending to;
Described wireless transport module, launches for result microprocessor control module calculated;
Described power module, for the voltage for monitoring device work.
5. the device according to claim 3 or 4, it is characterized in that, described current measurement module is two independently Measurement channel, each Measurement channel includes: I/V change-over circuit, filtering circuit, main discharge road and biased reference potential circuit, wherein, first the current signal that described current mode double-shaft tilt angle sensor exports is converted to suitable voltage signal through I/V change-over circuit, and the voltage signal that I/V change-over circuit exports, after resistor network dividing potential drop 1/3, inputs single order active filter circuit; Input again after main discharge road is amplified after single order active filter circuit filtering high-frequency interferencing signal and export to described micro-processing and control module.
6. the device according to claim 3 or 4, it is characterized in that, described microprocessor control module specifically comprises: microcontroller, storer, display and input end form, wherein, microcontroller is used for the voltage signal after according to conversion and calculates, calculate the change at monitoring probe inclination angle, inclination angle, each deep, and then calculate the change in displacement of different layers position; Its AD converter carried is for being converted to magnitude of voltage by the current value exported from described current measurement module, and the Multi-serial port carried is for driving storer and wireless transmitter module, and the GPIO mouth carried is for driving display.
7. a landslide depth inclination angle monitoring method, is characterized in that, comprising:
Multiple described landslide depth inclination angles monitoring probe is together in series, is arranged in different layers position, depths, landslide, and described landslide depth inclination angle monitoring probe is connected with described monitoring instrument;
Described monitoring instrument controls multiple described landslide depth inclination angles monitoring probe and starts or stops detection;
When a certain landslide depth inclination angle monitoring probe detects depths, landslide according to the request startup of described monitoring instrument, the current signal detected is fed back to described monitoring instrument;
Described monitoring instrument calculates according to the current signal sent from depths, the described landslide sensor carrying out detecting, and obtains the change in displacement of different layers position, depths, landslide and sends with wireless signal form.
8. method according to claim 7, is characterized in that, comprises further:
Described landslide depth inclination angle monitoring probe resolves decoding after receiving the ID coded command that described monitoring instrument sends, and detects, and result of detection is sent to described monitoring instrument with the form of the current signal of X, Y-direction to startup to its position.
9. the method according to claim 7 or 8, is characterized in that, comprises further:
Described monitoring instrument has received described landslide depth inclination angle monitoring probe when sending current signal, the current signal received is converted to voltage signal, and calculate according to the voltage signal after conversion, calculate the change at the monitoring probe inclination angle, each inclination angle arranged in landslide depth, and then calculate the change in displacement of different layers position and send in a wireless form.
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Application publication date: 20150218 |