CN201181203Y - Tunnel displacement monitoring system based on image sensor - Google Patents
Tunnel displacement monitoring system based on image sensor Download PDFInfo
- Publication number
- CN201181203Y CN201181203Y CNU2008200626759U CN200820062675U CN201181203Y CN 201181203 Y CN201181203 Y CN 201181203Y CN U2008200626759 U CNU2008200626759 U CN U2008200626759U CN 200820062675 U CN200820062675 U CN 200820062675U CN 201181203 Y CN201181203 Y CN 201181203Y
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- tunnel
- emitting device
- laser
- receiving trap
- imageing sensor
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Abstract
A tunnel deflection monitor system based on an image sensor, which belongs to the non-contact tunnel perimeter deflection test technique, comprises a laser emitting device consisting of a laser and an installation base and fixed in the tunnel or the tunnel opening; receiving devices fixed at the test points in the tunnel and consisting of a laser target, an image sensor, a lens and an installation base; another laser emitting device arranged at the test points and pointing to the next receiving device; a laser emitting device control box connected with the laser emitting devices for controlling the signal transmission through a data transmission bus; a receiving device collection box connected with the receiving devices for transmitting output signals through the data transmission bus and processing the collected deflection image data; and a field collection terminal for receiving signals outputted by the data transmission bus. The tunnel deflection monitor system has the advantages of convenient detection and high accuracy.
Description
Technical field
The utility model relates to the tunnel automatic displace monitor system, especially for a kind of easy, the noncontact of tunnel displacement in monitoring constructing tunnel or the operation, the robotization tunnel deformation monitoring system that precision is high.。
Background technology
China is the country on mountain more than, because gradient restriction, environmental protection and urban environment need, the tunnel is widely used in highway, railway, the subway construction.In the constructing tunnel process, tunnel surrounding, the residing field of force of supporting liner structure and steady state (SS) thereof are carried out monitoring measurement, the main method of be considered to ensure construction safety, optimizing Tunnel Design, guiding construction, having a very important role in constructing tunnel, is one of important content of New Austrian Tunneling Method construction; In tunnel operation process, the tunnel structure deformation monitoring that continues is the important leverage of tunnel operation security.
Traditional project of tunnel displacement monitoring is that vault sinks and the periphery convergence.The general convergence gauge that adopts carries out contact type measurement, although the reading accuracy of convergence gauge own is very high, measured precision is subjected to various factors such as equipment arrangement that considerable influence is arranged.This method is subject to the relative distance between the each point on the tunnel perimeter, and can only try to achieve some displacement of another point relatively, and tunnel assymmetrical deformation and length travel adopt classic method just to survey not come out.
The Ba Saite collective system is a kind of tunnel section convergence automatic measurement system, it is installed in around the section to be measured by a plurality of bar elements (long with a pair of bar element of being combined into of a weak point) head and the tail are mutually hinged, constitute a measurement ring, the built-in a kind of special high precision electrolyte obliquity sensor of bar element, a pin joint of every pair of length arm fixes by fixture and Dong Bi, and another pin joint floats.When the hole wall deforms, must make the several point of fixity in the distorted area produce (space) displacement, also drive relevant length arm activity, promptly the length arm produces the angle variation.At this moment the obliquity sensor that is installed in respectively on the long and short arm just can be measured this small angle variation.Can obtain tunnel contour dynamic change situation with measurement data comparison first respectively by the result of calculation in the test process.This method of testing effect in contact measurement method is better, but system's setup fee is difficult to widespread use with higher.
The non-contact mode measuring tunnel perimeter deflection has the measuring point of employing to bury reflective target underground, measures the measuring point three-dimensional coordinate by electronic total station, can calculate the measuring point convergency value by different batches test D coordinates value.
The non-contact mode measuring tunnel perimeter deflection utilizes fiber optics to form test interface in addition, and correspondence is provided with the photodiode hot-wire array, changes recording the tunnel perimeter deflection value at the fiber optics interface by laser facula.This method precision is subject to the fiber optics diameter and arranges precision, and testing range is little.
The utility model content
The purpose of this utility model provides a kind of constructing tunnel or a kind of easy, the noncontact of operation tunnel displacement, tunnel system for monitoring displacement based on imageing sensor that precision is high of being used for.
The purpose of this utility model is achieved in that a kind of tunnel system for monitoring displacement based on imageing sensor, it is characterized in that: comprise,
Laser beam emitting device: form by laser instrument and mounting seat, be fixed in the tunnel or openings position;
Receiving trap: be fixed in tunnel build-in test point, form by laser target, imageing sensor, camera lens and mounting seat; The test point position is provided with another laser beam emitting device simultaneously and points to next receiving trap;
The laser beam emitting device control box: be connected with laser beam emitting device, control signal spreads out of through data transmission bus;
The receiving trap vasculum: be connected with receiving trap, output signal spreads out of through data transmission bus;
Collection in worksite terminal: receive the signal that data transmission bus spreads out of, handle the displacement view data that collects.
The vault of the same section in the above-mentioned tunnel and two haunches are provided with a cover laser beam emitting device and a receiving trap respectively.
Native system constitutes test component by laser, imageing sensor receiving target, carry out data acquisition by the collection in worksite instrument, connect a plurality of Acquisition Instruments and collection center, hole swap data via the field data bus, the hole gather centre data support local analytics check and by Web publishing to data server, constitute networked Auto-Test System.Testing range of the present invention can be adjusted as required, and systemic resolution can also improve along with image sensor resolutions improves.
The beneficial effects of the utility model are:
1, native system belongs to contactless tunnel perimeter deflection testing scheme.
2, native system measuring accuracy height, suitably the image sensor resolutions that improves can improve systemic resolution.
3, laser beam emitting device and receiving trap have all passed through adjustable mounting seat and have been installed in the tunnel, can position transmitting and receiving of laser easily.
4, the tunnel perimeter deflection monitoring is real-time, and is accurately, easy.Monitoring result directly shows on the computer of acquisition terminal at the scene.
Description of drawings
Fig. 1 is the layout synoptic diagram of native system equipment on the tunnel facade;
Fig. 2 is the schematic perspective view that native system is arranged on the tunnel;
Fig. 3 is the stereographic map of laser beam emitting device shown in Figure 2 and receiving trap (all with adjustable mounting seat);
Fig. 4 is the stereographic map of another view directions of laser beam emitting device shown in Figure 3;
Fig. 5 is the stereographic map of removing among Fig. 4 behind the U-lag;
Fig. 6 is the stereographic map of removing among Fig. 5 behind pressing plate and the housing screw;
Fig. 7 is the stereographic map of U-lag and axle that go up to install thereof among Fig. 4;
Fig. 8 is the stereographic map of the adjustable mounting seat (another view directions) of receiving trap shown in Figure 3.
Embodiment
Fig. 1 Fig. 2 illustrates, and the equipment of native system is composed as follows: laser beam emitting device 1: be made up of laser instrument and mounting seat, be fixed in the tunnel or openings position; Receiving trap 2: be fixed in tunnel build-in test point, form by laser target, imageing sensor, camera lens and mounting seat; The test point position is provided with another laser beam emitting device 11 simultaneously and points to next receiving trap 22; Laser beam emitting device control box 3: be connected with laser beam emitting device, control signal spreads out of through data transmission bus; Receiving trap vasculum 4: be connected with receiving trap, output signal spreads out of through data transmission bus; Collection in worksite terminal 5: receive the signal that data transmission bus spreads out of, handle the displacement view data that collects.The vault of the same section in the tunnel and two haunches are provided with a cover laser beam emitting device 1 and a receiving trap 2 respectively.Among Fig. 1, rectangle frame is the tunnel facade, and its left side is a face, and the right side is a tunnel exit.The adjustable mounting seat of laser beam emitting device is seen Fig. 3～7, its structure is: laser instrument 1a bottom is fixed with a bar 1b, bar 1b constitutes ball pivot with free bearing 1c and is connected, holding screw 1f is arranged on the free bearing, the pillar 1i of free bearing 1c bottom is hinged in the bar-shaped trough of base 1j, the rear portion of free bearing 1c is provided with housing screw 1d, and the front portion of free bearing 1c is provided with pressing plate 1e.Base 1j is installed in rotation on the 1k, can fix on U-lag 1g by dog screw 1h to its tightening at the axle upper deflecting.Like this, laser head (being generating laser) can be done 360 degree deflections through ball pivot on base 1j, simultaneously, and also can forward and backward on base (Y direction among Fig. 6) deflection.The whole erection base can be fixed on through expansion bolt on the arch face in tunnel by the mounting blocks 1m (having screw on it) of U-lag bottom.The receiving trap mounting seat is made of two groups of upper and lower connecting firmly of U-shaped plate that yawing moment is 90 ° of settings, every group of U-shaped plate structure is: two U-shaped plate 2a, 2b opening are in opposite directions, the two superimposed hinged through bolt 2e, and screw 2f is fixed in inboard U-shaped plate 2b and goes up, stretches out and be stuck on the semicircle cylindrical void of the U-shaped plate 2a that is positioned at the outside.Among Fig. 8, position, the left side, bottom illustrates:
Shape plate 2c and " L " shape plate 2d are hinged through bolt 2g, and screw 2h is crimped on the semicircle cylindrical void of " L " shape plate 2d, and the two is played the tightening effect, left and right two groups of bottom
Shape plate 2c can be regarded as one group of U-shaped plate identical with superstructure with " L " shape plate 2d.Receiving trap can be along directions X and the deflection of Y direction, with the generating laser contraposition.
System equipment is installed:
1, burying underground of receiving trap:
According to size, the position of reserving mounting hole on the receiving trap base, utilize reciprocating drill in the tunnel preliminary bracing, to punch to the suitable degree of depth, install then, adjust, make it in vertical maintenance level, fixing at last.Burying underground of laser beam emitting device;
2, utilize reciprocating drill in the tunnel preliminary bracing, to punch (roughly with emitter at sustained height), generating laser is installed then, adjust the Laser emission bar and make laser beam shine suitable location on the receiving trap panel, last fixed laser head to appropriate depth;
3, adjusting laser facula makes it drop on suitable location on the receiving trap panel;
4, the laser beam emitting device protective cover is installed;
5, measuring point transmission line mounting arrangements is fixed along tunnel wall, and bus is routed to outside the hole along tunnel power cable line.
Native system carries out the application testing check abiding by red highway altar factory tunnel.The on-the-spot test result is as follows:
1), when ZK27+465 section measuring point is installed apart from (existing apart from about the about 60m of tunnel tunnel face) about face 45m, every measuring point is installed is approximately spent about half an hour, quick for installation, convenient, little to the construction interference.
2), constructing tunnel is little to data collection influence, the data of collection are true, reliable.
3), tunnel automatic monitoring system automatic data collection terminal system working stability, data testing accuracy is higher (under the normally monitoring situation, precision: theoretical value 0.3mm (air quality is better), on-the-spot actual 0.5mm (dust of being constructed influences, construction machinery vibration etc.).
4), the Different testing methods data relatively
(1), utilize the tunnel automatic monitoring system to test (ZK27+490 section)
Monthly variation of directions X (horizontal direction) is 63.3-58.8=4.5mm;
Monthly variation of Y direction (vertical direction) is 26.3-25.8=0.5mm.
(2), convergence chi test result
Utilize the convergence chi that the ZK27+490 section is tested, headroom convergence accumulated change reached 4.1mm in continuous one month.
(3), spirit-leveling instrument test result
Utilize spirit-leveling instrument and special measuring point that ZK27+490 section ZC06-SL-TC002 measuring point Y direction is sunk to monitoring, the sinking accumulated change reached about 1～2mm in one month, was in substantially (tunnel, measuring point place section country rock rank is the III level) within the measuring error scope.
Test data shows that monitoring means and manual Monitoring Data are coincide relatively good automatically.
5), monitor influence factor and degree analyzing automatically
(1), abnormal data can appear in electric welding influence of light, the influence of magnesium light torch, in back-end data is handled, can leach.
(2), that this automatic monitoring system is subjected to high light (as electric welding light, magnesium light) to flash irradiation influence is bigger, other construction disturbing effects are not obvious.
(3), upload to the far-end server situation at image data: under individual bandwidth 1.2M condition, upload unobstructed; With video simultaneously during utilized bandwidth, upload test data and of short duration transmission can occur and interrupt.
Data acquisition utilizes field data acquiring terminal to finish automatic collection at the tunnel exit scene, utilize the condition of on-the-spot satellite communication, native system can be realized the data in real time of automatic collection is uploaded to tunnel monitoring information system platform database, utilize the internet net simultaneously, as long as can visit the internet net Anywhere, all can see the data of on-site supervision measurement and the change in displacement trend of tunnel perimeter, thereby truly realized the purpose that remote monitoring measures, for tunnel monitoring information system platform statistical study.
The present invention by in the tunnel or the hole point of fixity laser locator is set, test point is provided with receiving trap, the laser locator hot spot is projected to the receiving trap target surface, the receiving trap imageing sensor is gathered representation of laser facula, by the specific image Processing Algorithm, calculate the position coordinates of hot spot, the test coordinate figure can be tried to achieve measuring point position level and the vertical value of moving with the initial coordinate values comparison.Point position is provided with laser locator simultaneously and points to next receiving trap and can realize cascade.Test data transfers to the hole monitoring computer by fieldbus, carries out early warning by default discrimination model.
Emitter is made of laser instrument, adjustable mounting seat, and laser instrument adopts the directional light laser instrument, and 200 meters of coverages if test environment surpasses 200 meters, can be selected the laser instrument of bigger range for use.
Receiving trap is made up of laser target, imageing sensor, camera lens, adjustable mounting seat.Change the different focal camera lens and change the receiving target size and can realize different range displacement measurements.Choose the different resolution imageing sensor and can change the system testing precision.
Vasculum is finished receiving trap Data Receiving, transmission.Vasculum divides two kinds of receiving trap vasculum and laser instrument vasculums.Vasculum is provided with three circuit-switched data and control interface, supports 3 cover proving installations (considering vault, haunch etc.), the instruction of receiving trap vasculum receiving system, control, pick-up transducers data, transmitting test data.The instruction of laser instrument vasculum receiving system, the corresponding generating laser of synchro control receiving trap.
Claims (5)
1, a kind of tunnel system for monitoring displacement based on imageing sensor is characterized in that: comprises,
Laser beam emitting device (1): form by laser instrument and mounting seat, be fixed in the tunnel or openings position;
Receiving trap (2): be fixed in tunnel build-in test point, form by laser target, imageing sensor, camera lens and mounting seat; The test point position is provided with another laser beam emitting device (11) simultaneously and points to next receiving trap (22);
Laser beam emitting device control box (3): be connected with laser beam emitting device, control signal spreads out of through data transmission bus;
Receiving trap vasculum (4): be connected with receiving trap, output signal spreads out of through data transmission bus;
Collection in worksite terminal: receive the signal that data transmission bus spreads out of, handle the displacement view data that collects.
2, according to the described tunnel system for monitoring displacement based on imageing sensor of claim 1, it is characterized in that: the vault of the same section in the described tunnel and two haunches are provided with a cover laser beam emitting device (1) and a receiving trap (2) respectively.
3, according to claim 1 or 2 described tunnel system for monitoring displacement based on imageing sensor, it is characterized in that: described laser instrument is the directional light laser instrument, and its coverage is 200m.
4, according to the described tunnel system for monitoring displacement of claim 3 based on imageing sensor, it is characterized in that: described laser instrument mounting seat is adjustable mounting seat: laser instrument (1a) bottom is fixed with a bar (1b), bar (1b) constitutes ball pivot with free bearing (1c) and is connected, holding screw (1f) is arranged on the free bearing, the pillar (1i) of free bearing (1c) bottom is hinged in the bar-shaped trough of base (1j), the rear portion of free bearing (1c) is provided with housing screw (1d), and the front portion of free bearing (1c) is provided with pressing plate (1e).
5, according to the described tunnel system for monitoring displacement of claim 4 based on imageing sensor, it is characterized in that: two groups of U-shaped plates that described receiving trap mounting seat is 90 ° of settings by yawing moment connect firmly and constitute, every group of U-shaped plate structure is: opening in opposite directions for two blocks of U-shaped plates (2a, 2b), the two superimposed hinged through bolt (2e), and screw (2f) is fixed in inboard U-shaped plate (2b) and goes up, stretches out and be stuck on the semicircle cylindrical void of the U-shaped plate (2a) that is positioned at the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200626759U CN201181203Y (en) | 2008-03-27 | 2008-03-27 | Tunnel displacement monitoring system based on image sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200626759U CN201181203Y (en) | 2008-03-27 | 2008-03-27 | Tunnel displacement monitoring system based on image sensor |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101936714A (en) * | 2010-08-16 | 2011-01-05 | 上海地铁盾构设备工程有限公司 | Entire deformation detection system of subway tunnel |
| CN102331237A (en) * | 2011-06-14 | 2012-01-25 | 长沙理工大学 | Laser settlement flexibility monitor |
| CN102505711A (en) * | 2011-10-20 | 2012-06-20 | 上海交通大学 | System and method for monitoring displacement of foundation construction pipeline section of immersed tunnel |
| CN102721365A (en) * | 2012-06-01 | 2012-10-10 | 北京交通大学 | Method and device for high-speed and accurate measurement of tunnel section |
| CN102768018A (en) * | 2012-07-31 | 2012-11-07 | 大连海事大学 | Laser measurement device for measuring displacement of underground engineering rock mass |
| WO2013135033A1 (en) * | 2012-03-16 | 2013-09-19 | 同济大学 | Tunnel deformation online monitoring system based on image analysis and application thereof |
| CN105333831A (en) * | 2014-08-15 | 2016-02-17 | 西安星展测控科技股份有限公司 | Laser imaging flexibility and displacement monitoring method |
| CN105716533A (en) * | 2014-08-15 | 2016-06-29 | 西安星展测控科技股份有限公司 | Laser imaging two-way automatic monitor and cluster monitoring system |
| CN107246848A (en) * | 2017-04-21 | 2017-10-13 | 江西省高速公路投资集团有限责任公司 | A kind of constructing tunnel fracture morphology rapid detection system and its detection method |
| CN108458667A (en) * | 2018-04-10 | 2018-08-28 | 中铁十九局集团有限公司 | Rapid detection device and detection method for deformation of track slab |
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| CN109813234A (en) * | 2019-03-04 | 2019-05-28 | 中国科学技术大学 | A kind of Laser Displacement Sensor based on CCD |
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| CN114185099A (en) * | 2021-12-10 | 2022-03-15 | 中国地质科学院地球物理地球化学勘查研究所 | Reflection wave tomography forward and backward modeling method of full-space observation system in tunnel |
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2008
- 2008-03-27 CN CNU2008200626759U patent/CN201181203Y/en not_active Expired - Fee Related
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| CN101936714A (en) * | 2010-08-16 | 2011-01-05 | 上海地铁盾构设备工程有限公司 | Entire deformation detection system of subway tunnel |
| CN102331237A (en) * | 2011-06-14 | 2012-01-25 | 长沙理工大学 | Laser settlement flexibility monitor |
| CN102331237B (en) * | 2011-06-14 | 2013-04-24 | 长沙理工大学 | Laser settlement flexibility monitor |
| CN102505711A (en) * | 2011-10-20 | 2012-06-20 | 上海交通大学 | System and method for monitoring displacement of foundation construction pipeline section of immersed tunnel |
| WO2013135033A1 (en) * | 2012-03-16 | 2013-09-19 | 同济大学 | Tunnel deformation online monitoring system based on image analysis and application thereof |
| CN102721365A (en) * | 2012-06-01 | 2012-10-10 | 北京交通大学 | Method and device for high-speed and accurate measurement of tunnel section |
| CN102721365B (en) * | 2012-06-01 | 2015-04-15 | 北京交通大学 | Method and device for high-speed and accurate measurement of tunnel section |
| CN102768018A (en) * | 2012-07-31 | 2012-11-07 | 大连海事大学 | Laser measurement device for measuring displacement of underground engineering rock mass |
| CN102768018B (en) * | 2012-07-31 | 2015-04-15 | 大连海事大学 | Laser measurement device for measuring displacement of underground engineering rock mass |
| CN105716533A (en) * | 2014-08-15 | 2016-06-29 | 西安星展测控科技股份有限公司 | Laser imaging two-way automatic monitor and cluster monitoring system |
| CN105333831A (en) * | 2014-08-15 | 2016-02-17 | 西安星展测控科技股份有限公司 | Laser imaging flexibility and displacement monitoring method |
| CN105333831B (en) * | 2014-08-15 | 2018-05-11 | 星展测控科技股份有限公司 | Laser imaging amount of deflection and displacement monitoring method |
| CN105716533B (en) * | 2014-08-15 | 2018-09-14 | 星展测控科技股份有限公司 | Laser imaging two-way automonitor and concentrating type monitor system |
| CN107246848A (en) * | 2017-04-21 | 2017-10-13 | 江西省高速公路投资集团有限责任公司 | A kind of constructing tunnel fracture morphology rapid detection system and its detection method |
| CN108458667A (en) * | 2018-04-10 | 2018-08-28 | 中铁十九局集团有限公司 | Rapid detection device and detection method for deformation of track slab |
| CN108761480A (en) * | 2018-06-27 | 2018-11-06 | 四川君逸数码科技股份有限公司 | Urban Underground piping lane positioning system |
| CN109322336A (en) * | 2018-11-22 | 2019-02-12 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of monitoring device for pipeline framework foundation settlement |
| CN109813234A (en) * | 2019-03-04 | 2019-05-28 | 中国科学技术大学 | A kind of Laser Displacement Sensor based on CCD |
| CN113063613A (en) * | 2021-03-11 | 2021-07-02 | 同济大学 | Shield tunnel model test device based on cross laser three-dimensional deformation measurement |
| CN113063613B (en) * | 2021-03-11 | 2022-04-19 | 同济大学 | Shield tunnel model test device based on cross laser three-dimensional deformation measurement |
| CN114185099A (en) * | 2021-12-10 | 2022-03-15 | 中国地质科学院地球物理地球化学勘查研究所 | Reflection wave tomography forward and backward modeling method of full-space observation system in tunnel |
| CN114185099B (en) * | 2021-12-10 | 2023-07-14 | 中国地质科学院地球物理地球化学勘查研究所 | Reflection wave tomography forward and backward modeling method of full-space observation system in tunnel |
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Granted publication date: 20090114 Termination date: 20120327 |