CN102800171B - Long-distance automatic monitoring device for debris flow - Google Patents
Long-distance automatic monitoring device for debris flow Download PDFInfo
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- CN102800171B CN102800171B CN201210201870.6A CN201210201870A CN102800171B CN 102800171 B CN102800171 B CN 102800171B CN 201210201870 A CN201210201870 A CN 201210201870A CN 102800171 B CN102800171 B CN 102800171B
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- debris flow
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Abstract
The invention discloses a long-distance automatic monitoring device for a debris flow. The device is formed by a detection line, a thread break detector, a monitoring main engine, a wild power supply, a wireless network and a monitoring central station; a long-distance wireless network is used for carrying out data transmission and automatically uploading a debris flow detection state in real time according to a set sampling frequency; the thread break detector comprises a pull rod, a slide block, a slide rail, a spring, a shrapnel switch and a lead wire; and the monitoring main engine comprises a single chip microcomputer processing control unit, a wireless receiving-transmitting circuit and a power supply module. According to the long-distance automatic monitoring device, when the debris flow happens, a mud and water mixture impacts a steel wire rope which is transversely pulled on the section of a debris flow channel square dam to break off the steel wire rope, and the pull rod in the thread break detector is rebounded by the spring to tightly press a switch shrapnel, so as to conduct the switch; and the single chip microcomputer processing control unit in the main engine is detected and the switching-on/off state of the thread break detector is scanned to judge the happening condition of the debris flow; and the condition is uploaded to a monitoring center main engine. The long-distance automatic monitoring device disclosed by the invention has the advantages of simple structure, reliable work, stable transmission, low cost, small volume and low power consumption, can remotely and accurately monitor the happening of the regional debris flow in real time, and can provide reliable evidences for a debris flow scientific research and other monitoring methods; and meanwhile, the long-distance automatic monitoring device reduces threatens of the debris flow to life and property safety of people in an accessory region.
Description
Technical field
The present invention relates to a kind of rubble flow long-range automatic monitoring technology, particularly a kind of by long distance wireless GPRS network transmission technology and broken string state inspection realize rubble flow remote automatic monitoring device.
Background technology
Southwestern China area is after " 5.12 " Wenchuan earthquake in 2008, ftractureed by sharp pounding in earth's surface, Rock-soil Mass Structure is suffered serious disturbance and destruction, massif is loosening, and high slope, deep trench topography and geomorphology be take as main in this area, for the formation of rubble flow provides abundant thing source condition, microtopography condition and hydrologic condition, make rubble flow be more prone to break out.On September 24th, 2008, the old county town of Beichuan flower slabstone ditch breaks out extensive rubble flow, has buried earthquake relics; On August 13rd, 2010, there is extensive rubble flow in the peaceful township of Mianzhu, and large area Architectural Equipment is destroyed by rush of water, soil is buried, and causes casualties, and brings huge disaster to again the disaster area people.Research data shows, after shake, 10 to 20 years is all the active period of rubble flow, becomes main secondary disaster after shake, affects huge.Because genesis of debris flow is complicated, region area is broad, and treatment cost is high, and carry out at present extensive large-area control and carry out unrealisticly, to the automatic monitoring of rubble flow, be therefore an important measure of preventing and reducing natural disasters.
Rubble flow monitoring technology method mainly according to rubble flow range of influence size, break out scale etc. and set, from the viewpoint of science, prevent and reduce natural disasters, the feasibility of engineering construction etc., rubble flow monitoring method of counting can be divided into rubble flow routine monitoring and rubble flow is monitored automatically.Rubble flow routine monitoring is mainly easy monitoring method, as when there is heavy rain in rubble flow raceway groove upstream, observation personnel are by observing raceway groove flood regime and raceway groove upstream landslip scale, once find that there is a large amount of landslides phenomenon that collapses, raceway groove flood sharply rises containing mudstone amount or rubble flow raceway groove stops immediately, and signal immediately gives the alarm.The method is easy, directly perceived, reliable, cost is low, easy to implement, but precision is slightly low, is only applicable to mass presdiction and disaster prevention monitoring.
Rubble flow automatic monitoring technical is, by being distributed in the monitoring instrument at rubble flow raceway groove scene, debris flow occurrence situation is carried out to real-time observation, method simple, intuitive, and instrument automatically records and stores.At present advanced rubble flow automatic monitoring technical mainly contains debris flow infrasound monitor, and the infrasound signals producing when to debris flow occurrence gives the alarm.But the built-in relation of debris flow scale and infrasonic sound data is still not clear, a lot of problem in science also in further research, and then make the method alarm accuracy rate high not enough.
In sum, rubble flow often causes the extensive damage of people's lives and properties, nation-building facility, yet accurate, simple, reliable, directly perceived and automatic remote monitoring is carried out in rubble flow raceway groove upstream, for the people provide warning information accurately, assure the safety for life and property of the people and become extremely important and difficult task.
Summary of the invention
Given this, the invention provides a kind of rubble flow remote automatic monitoring device, its fundamental purpose is in order to detect effectively, intuitively motion and the impact conditions of rubble flow raceway groove upstream material (water and mudstone potpourri), as the alarm criteria of debris flow occurrence.Device of the present invention is the detection line perception mud-rock flow movement being pulled on Gu Fang dam, rubble flow raceway groove upstream by horizontal, by thread break detector, the state of detection line is carried out detecting in real time and conversion, by monitoring host computer, read the output state of thread break detector, and by wireless data transmission technology, debris flow occurrence situation is sent to long-range monitoring central station, so as to knowing rubble flow raceway groove mudstone scale and state.
Rubble flow remote automatic monitoring device of the present invention is to utilize detection line and burn out detection module perception rubble flow state.Meanwhile, the state that whether burn out detection module output rubble flow occurs.This state can be sent to the monitoring host computer that is connected in burn out detection module, monitoring host computer can output to monitoring central station by the wireless GPRS network being connected between monitoring host computer and monitoring central station after signal is identified and analyzed, and Surveillance center's station software can be identified state, shows, storage and information issue.Wherein monitoring host computer provides direct supply by solar panels and accumulator.
Long-range automatic monitoring method of the present invention is first to utilize AVR single chip machine controlling circuit advanced in monitoring host computer, carries out rubble flow and detects the fetch program; By to the electric signal of thread break detector to obtain the on off operating mode of elastic sheet switch in detecting device; Then, the switch on and off state that judgement obtains is in order to learn the on off operating mode of detection line, thereby and then learn debris flow occurrence state; Finally, by Wireless Data Transmission circuit, debris flow occurrence state is sent to monitoring central station.
In order to make examination board can further understand feature of the present invention and technology contents, refer to following detailed implementation and accompanying drawing about explanation.
Accompanying drawing explanation
Fig. 1 is rubble flow remote automatic monitoring device frame diagram of the present invention.
Fig. 2 is thread break detector structured flowchart of the present invention.
Fig. 3 is monitoring host computer theory diagram of the present invention.
figure number explanation
1 pull bar; 2 mechanical covers; 3 stressed slide blocks; 4 springs; 5 spacing blocks; 6 shell fragments; 7 elastic sheet switchs; 8 signal cables; 9 holders.
specific implementation
As shown in Figure 1, be the block diagram representation of system and device of the present invention.Wherein detection line is mounted on Gu Fang dam, rubble flow raceway groove upstream section, thread break detector is used for the physics normal condition of detection line and off-state to convert to respectively open circuit and the short circuit of elastic sheet switch in conjunction with detection line, and monitoring host computer reaches by reading the on off state of thread break detector the object that Monitoring Debris Flow breaks out state.Monitoring host computer is real-time, round-the-clock outputs to monitoring central station by monitoring state data by wireless data transmission network, and user can learn by monitoring central station the rubble flow generation state of monitoring field, and then reaches the effect of rubble flow real-time monitoring alarming.
As shown in Figure 1, this rubble flow remote automatic monitoring device is by detection line and thread break detector identification debris flow occurrence state, detection line is that one end is fixed on dam, the side of estimating section one side, the other end is fixed on the pull bar of thread break detector, during installation, in tension, compress pull bar and want Compress Spring to make switch in open-circuit condition; Thread break detector is fixed on dam, the side of estimating section opposite side by firm banking.
As shown in Figure 2, thread break detector is comprised of pull bar 1, spring 4, stressed slide block 3, elastic sheet switch 7, mechanical cover 2 and wire 8.Under detection line tensioned state, pull bar 1 is drawn out, and spring 4 is compressed, and stressed slide block 3 is separated with the shell fragment 6 of elastic sheet switch 7, elastic sheet switch 7 open circuits; Under detection line off-state, spring 4 recovers natural mode, and stressed slide block 3 is drawn in and is close to shell fragment 6 by spring 4 resiliences, makes elastic sheet switch 7 paths.
As shown in Figure 3, first monitoring host computer provides 5v voltage signal (high level) by signal cable, to export to the elastic sheet switch (as in Fig. 2 7) of thread break detector, through an other bars cable, read on off state in thread break detector simultaneously, through a pull down resistor, be input to a digital I/O port of single-chip microcomputer.If switch disconnects, single-chip microcomputer reads low level (0) by input cable, if switch short circuit, single-chip microcomputer reads high level (1) by input cable; In single-chip microcomputer, loop cycle is moved the level detection program of this IO mouth, read broken string state, then level state data are outputed to level shifting circuit by the Frame of certain format by serial ports (TTL) level, level shifting circuit outputs to wireless data transfer module after converting Transistor-Transistor Logic level to RS232 level, and wireless data transfer module sends to monitoring central station by this Frame by wireless network transmission technology; Surveillance center's station software analyzes, shows and store this Frame, and user can be by the convenient and reliable status information of browsing on-the-spot each monitoring point of rubble flow of monitoring central station.
In sum, be only preferably embodiment of the present invention, but protection scope of the present invention is not limited to this.Protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
1. a rubble flow remote automatic monitoring device, it is characterized in that: this device is by detection line, thread break detector, monitoring host computer and monitoring central station form, detection line, thread break detector, monitoring host computer connects successively, monitoring host computer is connected by wireless network with monitoring central station, monitoring host computer detects the state of thread break detector, monitoring central station is for receiving the status data of monitoring host computer transmission and analyzing, show, described thread break detector is by crashproof water proof machine shell, pull bar, spring, stressed slide block, elastic sheet switch and wire form, described pull bar one end connects detection line through shell, the other end connects stressed slide block through spring, spring is between stressed slide block and outer casing inner wall, the contact condition of stressed slide block and elastic sheet switch is realized the on off operating mode of detection line is detected, its method of work: when the normal tensioned state of detection line, pull bar is drawn out, stressed slide block is separated with the shell fragment of elastic sheet switch, elastic sheet switch disconnects, spring stress compression, when detection line is thrust by mudstone, pull bar is reset because of recoil of spring, and stressed slide block is pushed back and is close to the shell fragment of elastic sheet switch, makes elastic sheet switch conducting.
2. a kind of rubble flow remote automatic monitoring device according to claim 1, it is characterized in that: described detection line is the wire rope of diameter 2mm, described wire rope one end is fixed on the rubble flow raceway groove side of estimating dam section one side stay hook, described stay hook is built-in setscrew, and described detection line is tauted the rear other end and is connected on described thread break detector.
3. a kind of rubble flow remote automatic monitoring device according to claim 1, is characterized in that: described monitoring host computer comprises signal conditioning circuit, single chip machine controlling circuit, level shifting circuit, power circuit, wireless data transceiver module.
4. a kind of rubble flow remote automatic monitoring device according to claim 3, is characterized in that: described signal conditioning circuit output 5V offers thread break detector, and input circuit access single-chip microcomputer digital pin also connects pull down resistor, and resistance is 10Kohm.
5. a kind of rubble flow remote automatic monitoring device according to claim 3, it is characterized in that: described single chip machine controlling circuit adopts high-performance AVR single chip computer AT mega162L, complete the level detection to described signal conditioning circuit output signal, and control the data transmission of wireless data transceiver module.
6. a kind of rubble flow remote automatic monitoring device according to claim 3, is characterized in that: described level shifting circuit is for converting Transistor-Transistor Logic level to RS-232 level.
7. a kind of rubble flow remote automatic monitoring device according to claim 3, is characterized in that: described wireless data transceiver module adopts ZSD3110 module, realizes the data communication between described monitoring central station and described monitoring host computer.
8. a kind of rubble flow remote automatic monitoring device according to claim 3, is characterized in that: described power circuit is connected with described signal conditioning circuit, single chip machine controlling circuit, level shifting circuit and wireless data transceiver module respectively.
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| CN201210201870.6A CN102800171B (en) | 2012-06-19 | 2012-06-19 | Long-distance automatic monitoring device for debris flow |
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| CN201210201870.6A CN102800171B (en) | 2012-06-19 | 2012-06-19 | Long-distance automatic monitoring device for debris flow |
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| CN105023395A (en) * | 2014-04-29 | 2015-11-04 | 天津奥优星通传感技术有限公司 | Debris flow monitoring and early warning system |
| CN104992532B (en) * | 2015-07-17 | 2017-06-16 | 成都汉康信息产业有限公司 | Mud-stone flow disaster monitoring device |
| CN108109344B (en) * | 2017-12-25 | 2020-09-11 | 南京金牛机械制造股份有限公司 | Geological disaster early warning equipment |
| CN108717283A (en) * | 2018-07-29 | 2018-10-30 | 中铁二院工程集团有限责任公司 | Sensor wireless general data collector |
| CN113390745B (en) * | 2021-08-17 | 2021-11-09 | 中国科学院、水利部成都山地灾害与环境研究所 | Double-shaft rolling type device and method for testing abrasion resistance of channel section form capable of being simulated |
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| US4599172A (en) * | 1984-12-24 | 1986-07-08 | Gardes Robert A | Flow line filter apparatus |
| CN1012010B (en) * | 1988-12-09 | 1991-03-13 | 铁道部科学研究院铁道建筑研究所 | Radio telemetering and early-warning system of mud-rock flow |
| TW201028966A (en) * | 2009-01-23 | 2010-08-01 | Geo Informatics Inc | Method for checking the capability of debris flow detecting devices |
| CN101706249B (en) * | 2009-12-04 | 2012-09-05 | 成都理工大学 | Remote monitoring device for mountain cracks |
| CN202120410U (en) * | 2011-06-22 | 2012-01-18 | 北京师范大学 | Multichannel broken-line monitoring early warning device for debris flow |
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