CN104964653A - Subway tunnel inner wall deformation detection system - Google Patents
Subway tunnel inner wall deformation detection system Download PDFInfo
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- CN104964653A CN104964653A CN201510274266.XA CN201510274266A CN104964653A CN 104964653 A CN104964653 A CN 104964653A CN 201510274266 A CN201510274266 A CN 201510274266A CN 104964653 A CN104964653 A CN 104964653A
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Abstract
The invention discloses a subway tunnel inner wall deformation detection system, comprising a trolley, a measurement disc, a laser range finding module, a positioning module, a microcontroller, a wireless emission module, a wireless receiving module, a control module, a storage module and an alarm module. The trolley is used for driving on the rail in a subway tunnel; the measurement disc is semicircular; the laser range finding module includes a plurality of laser range finding units uniformly distributed on the periphery of the measurement disc, and is used for measuring a vertical distance with a subway tunnel inner wall; the positioning module is used for positioning coordinates of the trolley; the microcontroller is used for sending measurement data to the control module; the storage module is used for storing first time measurement data of the subway tunnel; and the control module is used for comparing received measurement data with the measurement data in the storage module, and controlling the alarm module to give an alarm in the case of abnormal data. The subway tunnel inner wall deformation detection system has a simple structure, is convenient to use, and can accurately measure subway tunnel inner wall deformation, and timely avoid accidents.
Description
Technical field
The present invention relates to measurement and control area, particularly relate to a kind of subway tunnel inwall deformation detecting system.
Background technology
Since laser was 20th century, after atomic energy, computing machine, semiconductor, the another invention of great significance of the mankind, is called as " the fastest cutter ", " the most accurate chi ", " the brightest light ".
Only emit from the atom of component, atom plays pendulum (namely excited state) after obtaining energy, and it can be launched energy with the form of photon.And laser, lured (exciting) photon queue out exactly, the photons in this photon queue, optical characteristics is the same, and step is extremely consistent.Draw an analogy and be exactly, ordinary light source, the photon that such as bulb sends is variant, and can all directions run chaotically, and does not unite very much, but the photons in laser are then thought with one mind and work with one heart, strength makes toward a place, and this causes them to carry all before one, and power is very large, to such an extent as to people often call laser " death ray " in the past.
Laser range finder utilizes laser to carry out the instrument of Accurate Determining (also known as laser ranging) to the distance of target.Laser range finder is operationally to a branch of very thin laser of target injection, and the laser beam reflected by photovalve receiving target, timer measures laser beam from the time being transmitted into reception, calculates from observer's range-to-go.
If laser is sequential filming, ranging can reach 40 km, and can carry out operation round the clock.If laser is impulse ejection, general absolute precision is lower, but for telemeasurement, can reach good relative accuracy.
First laser instrument in the world, is by the scientist Mei Manyu nineteen sixty of Hughes Aircraft Company of the U.S., first succeeds in developing.US military has carried out the research to military laser device soon on this basis.1961, First military laser stadimeter have passed US military demonstration testing, entered practical association soon to after this laser range finder.
Laser range finder is lightweight, volume is little, speed simple to operate is accurate soon, its error is only 1/5th of other optical range finder to hundreds of/mono-, thus topographical surveying is widely used in, battlefield is measured, tank, aircraft, naval vessels and cannon, to the range finding of target, measure the height etc. of cloud layer, aircraft, guided missile and artificial satellite.It is the important technology equipment improving tank, aircraft, naval vessels and gun precision.
Because laser range finder price is constantly lowered, industrially also bring into use laser range finder gradually.The domestic and international miniature stadimeter occurring the advantages such as a collection of novel having range finding is fast, volume is little, dependable performance, can be widely used in the fields such as industrial measurement and control, mine, harbour.
Subway tunnel auger ground can constantly soften under Long-term Vibration load action, causes tunnel inner wall that the section deformation of bulk settling and local occurs in the axial direction, even can cave in, have impact on the safe operation of subway tunnel time serious.
The existing pick-up unit for subway tunnel deformation is general costly, need to drop into a large amount of funds, and position is fixed, and easy care and Multiple tunnel do not use.
Patent " entire deformation detection system of subway tunnel " (application number: 201010253984.6 applyings date: 2010-08-16) discloses a kind of entire deformation detection system of subway tunnel, this entire system is included in multiple survey station that tunnel inner wall distributes and the station level monitoring system be provided with on station, tunnel, image acquisition terminal in each survey station connects into network by RS485 bus and is connected with the monitoring computer in the level monitoring system of station, realize the neighboring stations coordinate displacement information that image acquisition terminal acquisition process obtains being sent to station level monitoring system and unifying tunnel deformation situation between Macro or mass analysis two station by monitoring computer, described each survey station comprises two sphere shape lights as subject matter, two cameras, image acquisition terminal, stabilized voltage supply, described camera comprises interconnective varifocal telephoto lens and imageing sensor, described two subject matters are located at casing two flank side surface in order to provide sphere shape light to the camera of neighboring stations, described two cameras are also located at casing two flank side surface respectively in order to take the subject matter of adjacent front and back survey station, the imageing sensor of camera is connected with described image acquisition terminal for the image of photosensitive rear collection is stored in image acquisition terminal, described stabilized voltage supply respectively with subject matter, image acquisition terminal connects provides power supply for it, the signal transacting that described image acquisition terminal will gather, determine that the center of circle is as the relative coordinate between neighboring stations and camera by matching sphere shape light, in described survey station, the horizontal center line of two subject matters overlaps, and the horizontal center line of two taking lenss also overlaps, and in survey station, each device is all fixed on casing, described image acquisition terminal mainly comprises processor, external hard disc and internal memory, clock/power module, two-way image sensor interface, LCD interface, RS232 module, RS485 module, described processor is provided with memory controller, clock/power-supply controller of electric, camera camera controller, lcd controller, communication serial port UART, wherein: described camera controller is connected with two imageing sensors, in order to gather object image information by two-way image sensor interface, described communication serial port UART is connected with S485 bus by RS485 module, and in order to each survey station is formed sensor network, and object coordinate transition information image acquisition terminal processes completed reaches station level control system, described processor, as the master chip of image acquisition terminal, completes data processing and provides basic running environment for system, realizes, to the matching gathering sphere shape light, determining the relative coordinate between the center of circle and camera.
This system architecture is complicated, uses inconvenience, difficult in maintenance, and can only detect fixing tunnel.
Summary of the invention
Technical matters to be solved by this invention is for defect involved in background technology, provides a kind of subway tunnel inwall deformation detecting system.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of subway tunnel inwall deformation detecting system, comprises dolly, measurement dish, laser ranging module, locating module, microcontroller, wireless transmitter module, wireless receiving module, control module, memory module and alarm module;
Described dolly travels on the rail in subway tunnel;
Described measurement dish, laser ranging module, locating module, microcontroller, wireless transmitter module are all arranged on dolly, and wherein, microcontroller is connected with laser ranging module, locating module, wireless transmitter module respectively;
Described measurement dish semicircular in shape, its center of circle is arranged on the axis of rail, and its covering of the fan is vertical with the axis of rail;
Described laser ranging module comprises some laser ranging unit;
Described laser ranging unit is evenly distributed on the circumference of described measurement dish, and Laser emission direction is the direction of the measurement dish center of circle to itself;
Described laser ranging unit is all connected with described microcontroller, for measuring the vertical range of itself and tunnel inner wall, and is passed to microcontroller;
Described locating module is used for the coordinate of positioning trolley, and is passed to described microcontroller;
Described microcontroller is used for the measurement data received to send to described control module by wireless transmitter module, and described measurement data comprises the coordinate of dolly and the direction of measurement of each laser ranging unit and measuring distance;
Described wireless receiving module, control module, memory module, alarm module are arranged on Surveillance center, and wherein, control module is connected with wireless receiving module, memory module, alarm module respectively;
Described wireless transmitter module and wireless receiving module pass through radio communication;
Described memory module is for storing the primary measurement data of subway tunnel;
Described control module be used for will the measurement data that receive compared with the measurement data in memory module, if the difference under the prerequisite that dolly coordinate is identical, between the measuring distance value of laser ranging unit and its primary measuring distance value is greater than default distance threshold, then controls alarm module and report to the police.
As the further prioritization scheme of a kind of subway tunnel inwall deformation detecting system of the present invention, the processor of described control module adopts 51 series monolithics.
As the further prioritization scheme of a kind of subway tunnel inwall deformation detecting system of the present invention, the processor of described control module adopts AT89S52 single-chip microcomputer.
As the further prioritization scheme of a kind of subway tunnel inwall deformation detecting system of the present invention, described memory module adopts SDRAM.
As the further prioritization scheme of a kind of subway tunnel inwall deformation detecting system of the present invention, the model of described memory module is K4S561632.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. structure is simple, easy to use;
2. measuring accuracy is high, can accurately measure the deformation of subway tunnel inwall, and the situation that prevents an accident in time occurs.
Embodiment
Below technical scheme of the present invention is described in further detail:
The invention discloses a kind of subway tunnel inwall deformation detecting system, comprise dolly, measurement dish, laser ranging module, locating module, microcontroller, wireless transmitter module, wireless receiving module, control module, memory module and alarm module;
Described dolly travels on the rail in subway tunnel;
Described measurement dish, laser ranging module, locating module, microcontroller, wireless transmitter module are all arranged on dolly, and wherein, microcontroller is connected with laser ranging module, locating module, wireless transmitter module respectively;
Described measurement dish semicircular in shape, its center of circle is arranged on the axis of rail, and its covering of the fan is vertical with the axis of rail;
Described laser ranging module comprises some laser ranging unit;
Described laser ranging unit is evenly distributed on the circumference of described measurement dish, and Laser emission direction is the direction of the measurement dish center of circle to itself;
Described laser ranging unit is all connected with described microcontroller, for measuring the vertical range of itself and tunnel inner wall, and is passed to microcontroller;
Described locating module is used for the coordinate of positioning trolley, and is passed to described microcontroller;
Described microcontroller is used for the measurement data received to send to described control module by wireless transmitter module, and described measurement data comprises the coordinate of dolly and the direction of measurement of each laser ranging unit and measuring distance;
Described wireless receiving module, control module, memory module, alarm module are arranged on Surveillance center, and wherein, control module is connected with wireless receiving module, memory module, alarm module respectively;
Described wireless transmitter module and wireless receiving module pass through radio communication;
Described memory module is for storing the primary measurement data of subway tunnel;
Described control module be used for will the measurement data that receive compared with the measurement data in memory module, if the difference under the prerequisite that dolly coordinate is identical, between the measuring distance value of laser ranging unit and its primary measuring distance value is greater than default distance threshold, then controls alarm module and report to the police.
The processor of described control module adopts 51 series monolithics, preferential employing AT89S52 single-chip microcomputer.
Described memory module adopts SDRAM, and its model is K4S561632.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a subway tunnel inwall deformation detecting system, is characterized in that, comprises dolly, measurement dish, laser ranging module, locating module, microcontroller, wireless transmitter module, wireless receiving module, control module, memory module and alarm module;
Described dolly travels on the rail in subway tunnel;
Described measurement dish, laser ranging module, locating module, microcontroller, wireless transmitter module are all arranged on dolly, and wherein, microcontroller is connected with laser ranging module, locating module, wireless transmitter module respectively;
Described measurement dish semicircular in shape, its center of circle is arranged on the axis of rail, and its covering of the fan is vertical with the axis of rail;
Described laser ranging module comprises some laser ranging unit;
Described laser ranging unit is evenly distributed on the circumference of described measurement dish, and Laser emission direction is the direction of the measurement dish center of circle to itself;
Described laser ranging unit is all connected with described microcontroller, for measuring the vertical range of itself and tunnel inner wall, and is passed to microcontroller;
Described locating module is used for the coordinate of positioning trolley, and is passed to described microcontroller;
Described microcontroller is used for the measurement data received to send to described control module by wireless transmitter module, and described measurement data comprises the coordinate of dolly and the direction of measurement of each laser ranging unit and measuring distance;
Described wireless receiving module, control module, memory module, alarm module are arranged on Surveillance center, and wherein, control module is connected with wireless receiving module, memory module, alarm module respectively;
Described wireless transmitter module and wireless receiving module pass through radio communication;
Described memory module is for storing the primary measurement data of subway tunnel;
Described control module be used for will the measurement data that receive compared with the measurement data in memory module, if the difference under the prerequisite that dolly coordinate is identical, between the measuring distance value of laser ranging unit and its primary measuring distance value is greater than default distance threshold, then controls alarm module and report to the police.
2. subway tunnel inwall deformation detecting system according to claim 1, is characterized in that, the processor of described control module adopts 51 series monolithics.
3. subway tunnel inwall deformation detecting system according to claim 2, is characterized in that, the processor of described control module adopts AT89S52 single-chip microcomputer.
4. subway tunnel inwall deformation detecting system according to claim 1, is characterized in that, described memory module adopts SDRAM.
5. subway tunnel inwall deformation detecting system according to claim 1, is characterized in that, the model of described memory module is K4S561632.
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| CN201510274266.XA CN104964653A (en) | 2015-05-27 | 2015-05-27 | Subway tunnel inner wall deformation detection system |
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| CN201510274266.XA CN104964653A (en) | 2015-05-27 | 2015-05-27 | Subway tunnel inner wall deformation detection system |
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Cited By (4)
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| CN106767402A (en) * | 2016-11-30 | 2017-05-31 | 华中科技大学 | A kind of shield tunnel apparent mass detection method and system |
| CN107957241A (en) * | 2017-12-29 | 2018-04-24 | 石家庄铁道大学 | Subway tunnel section center of circle determining device and method |
| CN108917638A (en) * | 2018-09-25 | 2018-11-30 | 浙江科技学院 | The mounted measuring apparatus for vehicle of subway tunnel 3 d deformation monitoring based on datum tool |
| CN110146930A (en) * | 2019-06-04 | 2019-08-20 | 成都希格玛光电科技有限公司 | Limit detection system and method are invaded in tunnel based on photodetection |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107957241B (en) * | 2017-12-29 | 2019-10-25 | 石家庄铁道大学 | Subway tunnel section center of circle determining device and method |
| CN108917638A (en) * | 2018-09-25 | 2018-11-30 | 浙江科技学院 | The mounted measuring apparatus for vehicle of subway tunnel 3 d deformation monitoring based on datum tool |
| CN110146930A (en) * | 2019-06-04 | 2019-08-20 | 成都希格玛光电科技有限公司 | Limit detection system and method are invaded in tunnel based on photodetection |
| CN110146930B (en) * | 2019-06-04 | 2024-05-17 | 成都希格玛光电科技有限公司 | Tunnel intrusion detection system and method based on photoelectric detection |
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