CN102608963B - Summarized information monitoring system of tunnel - Google Patents

Summarized information monitoring system of tunnel Download PDF

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Publication number
CN102608963B
CN102608963B CN201110448092.6A CN201110448092A CN102608963B CN 102608963 B CN102608963 B CN 102608963B CN 201110448092 A CN201110448092 A CN 201110448092A CN 102608963 B CN102608963 B CN 102608963B
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China
Prior art keywords
automonitor
tunnel
wireless
monitoring
monitor
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CN201110448092.6A
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Chinese (zh)
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CN102608963A (en
Inventor
高文学
孙西濛
邓洪亮
石效民
李杨
周世生
李志星
叶春琳
张宇华
吕嘉
叶锦华
孙景凤
Original Assignee
北京工业大学
北京市公路桥梁建设集团有限公司
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Publication of CN102608963A publication Critical patent/CN102608963A/en
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Abstract

The invention relates to a summarized information monitoring system of a tunnel. The summarized information monitoring system mainly comprises an automatic frequency monitor, an automatic blast vibration monitor, an automatic video acquiring monitor, an automatic three-dimensional section monitor, a wireless route repeater, a wireless high-speed repeater station, a network exchanger and a monitoring host. The monitoring host is connected with the network exchanger, the wireless high-speed repeater station and the wireless route repeater sequentially; the wireless route repeater is connected with the automatic frequency monitor, the automatic blast vibration monitor, the automatic video acquiring monitor and the automatic three-dimensional section monitor respectively; the automatic frequency monitor is connected with a vibration-wire sensor; and the automatic blast vibration monitor is connected with a three-direction or one-direction speedometer. The summarized information monitoring system disclosed by the invention can implement monitoring, pre-alarming and forecasting on surrounding rock pressure, rock mass vibration and clearance variation.

Description

Tunnel integrated information supervisory system
Technical field
The present invention relates to a kind of tunnel integrated information supervisory system, be applicable to constructing tunnel monitoring measurement and early-warning and predicting, belong to monitoring field, tunnel.
Background technology
China belongs to man of many mountain countries, and tunnel occupies significant proportion in the building of China's mountain railway, highway.In the Tunnel Engineering of China, adopt more and more New Austrian Tunneling Method to construct at present, the principal feature that New Austrian Tunneling Method is constructed tunnel be by many measurement means to excavating dynamically monitoring of rear tunnel surrounding, and instruct design and the construction of tunnel support structure with this.As the important component part of New Austrian Tunneling Method constructing tunnel, tunnel monitoring measurement work accurately, in time whether, direct relation safety and the progress of constructing tunnel.How to gather fast and accurately tunnel monitoring measurement data, improve the precision of data acquisition, the new equipment of invention monitoring measurement, new technology promote that the construction of Tunnel Engineering is the important topic of engineering circles research always.
Tunnel integrated information intelligent monitoring system, it is the advanced subject of current tunnel monitoring area research, it is the important development direction of 21 century tunnel monitoring system, its objective is under the background of the abundant progress of contemporary science and technology, by advanced computer information technology, electron controls technology, wireless sensor technology, wireless communication technology, network technology etc. effectively integrated application in the monitoring of whole safety for tunnel engineering and management.
The problem that prior art exists is as follows:
1. data acquisition artifical influence factor and the influence of construction factors are many, and data validity can not be guaranteed, and can not accurately reflect the deformation of country rock.
2. monitoring measurement equipment automatization, the level of informatization are low, and Data Post workload is large, takies a lot of human and material resources, can not reflect in time Engineering Structure Distortion situation.
3. data acquisition is slower, and comparatively dim in tunnel,, with accurate location survey point, does not easily occur measured deviation.
4. data transmission, storage, information system management can not adapt to the requirement of observational construction, can not instruct in time engineering information design and engineering construction.
5. cannot carry out video monitoring to tunnel, grasp image information.
6. need survey crew to enter tunneling, easily construction is exerted an influence, and have potential safety hazard.
7. pair monitoring measurement the data obtained cannot carry out express-analysis, early-warning and predicting on computers.
Summary of the invention
The problems referred to above that exist for prior art, the invention provides a kind of tunnel integrated information supervisory system, this system by laying sensor and monitoring instrument realizes remote wireless monitoring in hole, to pressure from surrounding rock, rock vibration and headroom change several respects and carry out implementing monitoring, then by WI-FI, transmit, adopt data transmission to monitoring host computer, carry out systematic analysis, tunnel monitoring, early-warning and predicting.
Technical scheme of the present invention is as follows:
A kind of tunnel integrated information supervisory system, is characterized in that: described tunnel integrated information supervisory system is mainly comprised of frequency automonitor, blasting vibration automonitor, video acquisition automatic monitoring instrument, three-dimensional section automonitor, wireless routing repeater, wireless high-speed relay station, network switch and monitoring host computer; Described monitoring host computer is connected with network switch, wireless high-speed relay station, wireless routing repeater successively; Described wireless routing repeater is rate of connections automonitor, blasting vibration automonitor, video acquisition automatic monitoring instrument, three-dimensional section automonitor respectively; Described frequency automonitor is connected with vibrating string type sensor; Described blasting vibration automonitor is connected with three-dimensional velograph or unidirectional velograph.
Described frequency automonitor is 2, is respectively 8 passages and 16 passages.
Described blasting vibration automonitor is 2, is arranged at respectively in Tunnel and outside hole, and the blasting vibration automonitor arranging in Tunnel is 8 passages, and the outer blasting vibration automonitor arranging of Tunnel is 4 passages.
Described wireless high-speed relay station is 5, is connected successively.
Described vibrating string type sensor is surface-type strainometer, concrete strain gauge, reinforcing steel strain gauge, built-in type slit gauge, surface crack meter, soil pressure cell or rope meter.
The function of each parts or instrument is as follows:
1. frequency automonitor: frequency automonitor measures for static strain/pressure data, has used altogether 2, is respectively 8 passages and 16 passages, can detect 24 measuring points simultaneously.Being equipped with high precision vibrating string type sensor is mainly for measuring pressure from surrounding rock and bolt shaft power.
2. blasting vibration automonitor: blasting vibration automonitor has been used 2, is respectively used to test outside Tunnel build-in test and hole.Hole build-in test is 8 passages, and 2 three-dimensional velographs or 8 unidirectional velographs can be installed; Outside hole, test is 4 passages, and 1 three-dimensional velograph or 4 unidirectional velographs can be installed.
3. video acquisition automatic monitoring instrument: video acquisition automatic monitoring instrument has been selected 1, for gathering the video signal of face condition of construction.
4. three-dimensional section automonitor: 1 of three-dimensional laser profile scanning automonitor, for monitoring of tunnel vault Settlement and displacement and tunnel convergence state etc.
5. wireless routing repeater: wireless routing repeater is for the high-speed transfer of wireless data.
6. wireless high-speed relay station: 5 of wireless high-speed relay stations, in tunnel relaying extend daisy chain type WLAN (wireless local area network) (WI-FI) networking and carry out system data wireless transmission.
7. monitoring host computer: for whole system is monitored, portable data acquisition application software is set in its main frame, adopt Chinese operation interface, the functions such as collection control, the control of front end conditioning system, multi-channel waveform show in real time in order to provide, data storage, data readback, engineering calibrating, time-domain statistical analysis, the analysis of frequency domain auto-power spectrum, test report generation.
The native system approach that realizes technically by laying sensor and monitoring instrument realizes remote wireless monitoring in hole, and to pressure from surrounding rock, rock vibration and headroom change several respects and carry out implementing monitoring.Then by WI-FI, transmit, adopt data transmission to monitoring host computer, carry out systematic analysis, tunnel monitoring, early-warning and predicting.
Above-mentioned instrument is the finished product that can buy on prior art or market, without special construction requirement.
System of the present invention can reach and realize following effect or function:
Steelframe internal force and the load bearing measure
Frequency automonitor is a kind of ground in-situ monitoring instrument, for automation collection signal, front end can connect vibrating string type sensor, frequency collection scope can be from 500Hz~3500Hz, precision ± 0.1Hz, resolution ± 0.01Hz, it is suitable for all kinds of vibrating string type sensor frequency acquisition signals, as surface-type strainometer, concrete strain gauge, reinforcing steel strain gauge, built-in type slit gauge, surface crack meter, soil pressure cell, rope meter etc.Utilize these sensors to monitor and security and stability analysis physical quantitys such as the stress of the engineerings such as dam, bridge, dyke, diversion works, traffic municipal works (ship lock, railway, subway) and high slope, strain, distortion, seepage flow, osmotic pressures; data-interface place is provided with lightning protection module; guarantee the moment overcurrent dredging that non-power lead causes, can be used for the severe safety monitoring projects of environment for use such as hydraulic structure, high slope, road, bridge, tunnel.This module communication interface adopts general purpose I EEE 802.11g, IEEE 802.11b; IEEE 802.3, IEEE802.3u, and data are encrypted, prevent that data are stolen or lose.
Vibrating string type sensor principle of work is to drive solenoid by excitation chain, when the frequency of signal and the natural frequency of vibratory string are close, vibratory string reaches rapidly resonance state, the induction electromotive force of generation of vibration is given single-chip microcomputer by testing circuit filtering, amplification, shaping, single-chip microcomputer, according to the signal receiving, feeds back to excitation chain by software mode and drives solenoid.By feedback, under driving, the variation magnetic field that string can produce at solenoid vibrates at local frequency point.After accumulation signal removes, string is because inertia effect still vibrates.Single-chip microcomputer, by measuring the induced electromotive force pulse cycle, can record the vibration frequency of string, finally surveyed data is shown.
1. the inside and outside vibration velocity monitoring in hole
Blasting vibration automonitor adopts ARM9 to design for core board, instrument have volume little, lightweight, can computer remote control.The numerical analysis that software is made to measure according to on-the-spot needs and processing capacity, can carry out the Fitting Analysis of data and return processing according to observed result, sets up the long-range real-time analysis of computer software.A number speed pickup in scene is connected to blasting vibration automonitor and carries out data acquisition and observation.
This instrument can not have in the situation of computer at the scene, by button and liquid crystal display quick-setting parameter, thereby reaches the object that signal fast, accurately gathers.Meanwhile, instrument can be read eigenwert by the function of instrument itself at the scene, and roughly preview is to the signal waveform having collected.According to actual situation, also can on-the-spot acquisition parameter be adjusted.This acquisition module part, can measure small strain and superpower strain.This product is monitoring, record, warning and the analysis for dependent variable dynamic process towards fields such as explosion monitoring, engineering-environment monitoring, building, electromechanical equipment, communications and transportation, machineries.
Product software kit, can be timely and effectively to data analysis and prediction, as: selected some unique point, it is periodically carried out to repeated measures, pass through data processing, research point being monitored blasting vibration change with time, find a kind of funtcional relationship that can better reflect data variation rule, Monitoring Data to next stage is predicted, the maximum concussion of blasting value that prediction monitoring point may occur, with the safety case of prediction structures and structure, evaluate construction method, determine engineering measure.
The numerical analysis that host software is made to measure according to on-the-spot needs and processing capacity, can carry out the Fitting Analysis of data and return processing according to observed result, sets up the long-range real-time analysis of computer software and automatic forecasting and early warning system.
2. video monitoring
Video acquisition automatic monitoring instrument adopts 1/3 inch of low-light (level) photoreceptor, has larger photosensitive area, and the imaging effect under low-light (level) is far away higher than common high definition video camera.Improve greatly low-light (level) effect, promote image quality, signal to noise ratio (S/N ratio).For day and night type, daytime colour, evening, infrared lamp was opened, and coordinated ultra-low illumination photoreceptor outstanding image quality, solved the unsharp present situation of the relative dark surrounds imaging effect of high-definition digital video camera.All images carry out the storage of 24 hours, and the memory cycle can reach the scene of 15 days and shoot with video-corder data.
3. tunnel cross-section detects
Three-dimensional section automonitor adopts without cooperative target laser ranging technique and precision angle technology, to the conduct monitoring at all levels of constructing tunnel, Polar Method and computer technology are combined closely, coordinate professional PaintShop, can obtain fast tunnel enclosure space in-profile curve, show in real time out break value, can measure convergence situation, earth and stone digging amount, can realize accurately detecting fast of section, complete construction monitoring simultaneously, final acceptance of construction, the work such as quality control.
4. data transmission
Wireless high-speed relay station supports that SSID hides, wireless MAC address filtering, 64/128/152 WEP encryption and WPA-PSK/WPA2-PSK, WPA/WPA2 security mechanism, ensures that wireless network is not invaded or usurped.
Wireless routing repeater is supported IP and MAC Address binding function, IP address and the MAC Address of Intranet computer can be bound, and effectively prevents packet spoof, thereby effectively contains that Intranet ARP attacks, and guarantees intranet data safety.
Wireless routing repeater supports dos attack to take precautions against, and has viral automatism isolation function, and virus that can safe automation Intranet ensures Intranet communication security, stable operation.
5. system software structure and function
The system software structure of monitoring host computer: mainly comprise two data waveform window demonstrations and playback controls functional module, data real time record control module, data analysis processing module, engineering test unit's conversion module and generate accordingly test report module etc.
Portable data acquisition application software has Chinese operation interface, and the functions such as collection control, the control of front end conditioning system, multi-channel waveform show in real time, data storage, data readback, engineering calibrating, time-domain statistical analysis, the analysis of frequency domain auto-power spectrum, test report generation are provided.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention;
In figure: 1, monitoring host computer; 2, network switch; 3, wireless high-speed relay station; 4, wireless routing repeater; 5, frequency automonitor; 6, blasting vibration automonitor; 7, video acquisition automatic monitoring instrument; 8, three-dimensional section automonitor.
Embodiment
Tunnel of the present invention integrated information supervisory system structural drawing is referring to Fig. 1, and described tunnel integrated information supervisory system is mainly comprised of frequency automonitor 5, blasting vibration automonitor 6, video acquisition automatic monitoring instrument 7, three-dimensional section automonitor 8, wireless routing repeater 4, wireless high-speed relay station 3, network switch 2 and monitoring host computer 1; Described monitoring host computer 1 is connected with network switch 2, wireless high-speed relay station 3, wireless routing repeater 4 successively; Described wireless routing repeater 4 rate of connections automonitor 5, blasting vibration automonitor 6, video acquisition automatic monitoring instrument 7, three-dimensional section automonitor 8 respectively; Described frequency automonitor is connected with vibrating string type sensor (not shown); Described blasting vibration automonitor 6 is connected with three-dimensional velograph or unidirectional velograph (not shown).Wherein, frequency automonitor 5 is 2, be respectively 8 passages and 16 passages, blasting vibration automonitor 6 is 2, be arranged at respectively in Tunnel and outside hole, the blasting vibration automonitor arranging in Tunnel is 8 passages, and the outer blasting vibration automonitor arranging of Tunnel is 4 passages, wireless high-speed relay station is 5, is connected successively.Vibrating string type sensor is surface-type strainometer, concrete strain gauge, reinforcing steel strain gauge, built-in type slit gauge, surface crack meter, soil pressure cell or rope meter.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.

Claims (1)

1. a tunnel integrated information supervisory system, is characterized in that: described tunnel integrated information supervisory system is mainly comprised of frequency automonitor (5), blasting vibration automonitor (6), video acquisition automatic monitoring instrument (7), three-dimensional section automonitor (8), wireless routing repeater (4), wireless high-speed relay station (3), network switch (2) and monitoring host computer (1); Described monitoring host computer (1) is connected with network switch (2), wireless high-speed relay station (3), wireless routing repeater (4) successively; Described wireless routing repeater (4) is rate of connections automonitor (5), blasting vibration automonitor (6), video acquisition automatic monitoring instrument (7), three-dimensional section automonitor (8) respectively; Described frequency automonitor (5) is connected with vibrating string type sensor; Described blasting vibration automonitor (6) is connected with three-dimensional velograph or unidirectional velograph; Described frequency automonitor (5) is 2, is respectively 8 passages and 16 passages; Described blasting vibration automonitor (6) is 2, is arranged at respectively in Tunnel and outside hole, and the blasting vibration automonitor (6) arranging in Tunnel is 8 passages, and the outer blasting vibration automonitor (6) arranging of Tunnel is 4 passages; Described wireless high-speed relay station (3) is 5, is connected successively; Described vibrating string type sensor is surface-type strainometer, concrete strain gauge, reinforcing steel strain gauge, built-in type slit gauge, surface crack meter, soil pressure cell or rope meter.
CN201110448092.6A 2011-12-28 2011-12-28 Summarized information monitoring system of tunnel CN102608963B (en)

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Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
CN103019175A (en) * 2012-11-13 2013-04-03 成都中工科技有限公司 Wireless fidelity (WiFi)-based normal environment energy conservation and environmental disaster monitoring system of distributed traffic tunnel
CN102929265A (en) * 2012-11-20 2013-02-13 陈冉冉 Wireless tunnel monitoring system
CN103149346B (en) * 2012-12-25 2015-09-23 中国神华能源股份有限公司 Tunnel concrete testing and analysis system and method
CN103148889A (en) * 2012-12-25 2013-06-12 中国神华能源股份有限公司 Bridge detection analysis system and bridge detection analysis method
CN103197644A (en) * 2013-04-02 2013-07-10 西南交通大学 Integration monitoring system and method of tunnel construction and operation phase
CN103646527A (en) * 2013-12-24 2014-03-19 山东大学 Automatic monitoring and early-warning system and method for monitoring and measuring interior of tunnel
CN104763453A (en) * 2015-02-11 2015-07-08 中国安全生产科学研究院 Surrounding rock anchor bolt stress wave positioning monitoring system
CN104569158A (en) * 2015-02-17 2015-04-29 武汉大学 Rock mass quality classification and dynamic parameter estimation method based on blasting vibration test
CN104680579B (en) * 2015-03-02 2017-09-01 北京工业大学 Constructing tunnel information-based monitoring system based on 3-D scanning point cloud
CN104976961B (en) * 2015-07-16 2017-05-03 重庆市勘测院 Control method of remote automatic tunnel deformation monitoring system
CN107063311A (en) * 2017-04-21 2017-08-18 江西飞尚科技有限公司 A kind of dynamic measurement system method of single coil vibrating sensor

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JPH0953399A (en) * 1995-08-11 1997-02-25 Toshiba Corp Tunnel ventilation control device
CN102042030B (en) * 2010-12-17 2012-07-04 华中科技大学 Construction tunnel safety protection method based on wireless sensor network and a monitoring system thereof
CN202404432U (en) * 2011-12-28 2012-08-29 北京市公路桥梁建设集团有限公司 Comprehensive information monitoring system for tunnel

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