CN112525773A - Monitoring system capable of monitoring track displacement of floating plate - Google Patents
Monitoring system capable of monitoring track displacement of floating plate Download PDFInfo
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- CN112525773A CN112525773A CN202011289987.5A CN202011289987A CN112525773A CN 112525773 A CN112525773 A CN 112525773A CN 202011289987 A CN202011289987 A CN 202011289987A CN 112525773 A CN112525773 A CN 112525773A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a monitoring system capable of monitoring the track displacement of a floating plate, which comprises a base, a controller, a power supply, a laser range finder and an alarm, wherein an angle sensor is arranged in the base, the output end of the controller is electrically connected with the alarm, the signal end of the angle sensor and the signal end of the laser range finder are respectively and electrically connected with the input end of the controller, position reflecting plates are respectively arranged at two opposite corners of the base, and the positive and negative ends of the controller, the angle sensor, the laser range finder and the alarm are all electrically connected with the positive and negative ends of the power supply.
Description
Technical Field
The invention relates to the technical field of track engineering, in particular to a monitoring system capable of monitoring track displacement of a floating plate.
Background
The measurement of the track displacement can be carried out on-site test by adopting a mode of an LVDT displacement sensor, an eddy current displacement sensor, a strain combination equal-strength beam and a laser displacement sensor, wherein the LVDT displacement sensor and the strain equal-strength beam are in contact measurement, and the eddy current and laser displacement sensor are in non-contact measurement; the eddy current displacement sensor can only be used to measure the dynamic displacement of a metal object and has a related requirement on the thickness of the measured object. The eddy current effect is mainly concentrated on the surface of the measured body, and if the residual magnetic effect is formed in the processing process, the characteristics of the sensor are influenced by uneven quenching, uneven hardness, uneven crystal structure and the like. When vibration measurement is carried out, if the residual magnetic effect on the surface of a measured body is too large, the measured waveform is distorted. The displacement of the position under the floating plate rail measured by adopting the traditional test method actually comprises the displacement of the floating plate, the bending deformation displacement of the floating plate and the displacement of the tunnel wall, and is not the true displacement of the position under the floating plate rail; patent No. CN203054222U discloses a laser range finder with angle measurement function, but does not have parameter processing function; and because manual field detection, the rail displacement data can not be transmitted in real time, and automatic monitoring can not be achieved.
Disclosure of Invention
The invention provides a monitoring system capable of monitoring the track displacement of a floating slab, and solves the function of monitoring the track displacement change in real time.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a monitoring system that can monitor floating plate rail displacement, includes the base, install controller, power supply, laser range finder, siren on the base, be provided with angle sensor in the laser range finder, controller output and siren electric connection, angle sensor's signal end, laser range finder's signal end respectively with the input electric connection of controller, each mounted position reflecting plate in base diagonal angle both ends, the positive negative pole end of controller, angle sensor, laser range finder, siren all with power supply's positive negative pole end electric connection, RS232 communication module is connected to the communication port of controller, RS232 communication module receiving port and central computer communication interface connection.
The technical scheme of the invention is further improved as follows: the controller adopts an STM32 microchip with a wireless receiving and transmitting module.
The technical scheme of the invention is further improved as follows: the controller adopts one of STC89 singlechip, MSP 430.
The technical scheme of the invention is further improved as follows: the alarm adopts a buzzer and an LED lamp.
The technical scheme of the invention is further improved as follows: the power supply adopts a 5V lithium battery.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the invention can monitor the displacement change of the floating plate in real time in a remote way, saves a large amount of manual measurement time, reduces the errors of manual measurement, improves the working efficiency, can be uninterrupted, and can intuitively judge the development condition of the track displacement of the floating plate through the signals received by the system and processed.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the measurement of the present invention;
FIG. 4 is a schematic view of a measurement method of the present invention;
the system comprises a laser range finder 1, a laser range finder 2, a controller 3, an alarm 4, a power supply 5, a position reflecting plate 6, a base 7, an angle monitoring initial point reflecting plate 8, a laser beam 9, a tunnel wall 10, a floating plate foundation 11 and a track bed.
Detailed Description
A monitoring system capable of monitoring the track displacement of a floating plate comprises a base 6, wherein a controller 2, a power supply 4, a laser range finder 1 and an alarm 3 are installed on the base 6, an angle sensor is arranged in the base 6, the output end of the controller 2 is electrically connected with the alarm 3, the signal end of the angle sensor and the signal end of the laser range finder 1 are respectively electrically connected with the input end of the controller 2, reflection plates 5 are respectively installed at the two opposite corners of the base 6, the positive and negative ends of the controller 2, the angle sensor, the laser range finder 1 and the alarm 3 are respectively electrically connected with the positive and negative ends of the power supply 4, a communication port of the controller 2 is connected with an RS232 communication module, and a receiving port of the RS232 communication module is connected with a central computer communication interface; in specific application, the power supply 4 adopts a 5V lithium battery, and the alarm 3 uses a buzzer and an LED lamp as signal indication.
The displacement monitoring system is installed in tunnel wall both sides, in the coplanar, the height is inconsistent, and set up angle monitoring initial point reflecting plate 7 in 8 horizontal irradiation positions of contralateral position laser beam, and set up the monitoring point reflecting plate on floating board whole railway roadbed 11, so that carry out angle measurement, and carry out equipment position and examine each other, utilize two middle laser beams 8 to shine position reflecting plate 5 on the opposite side monitoring system, the angle and the distance of monitoring when will installing are filed, so that later stage equipment position detects.
In the rail non-vehicle state, a monitoring instruction is issued through a central computer, a controller 2 sends a control signal to start a laser range finder 1, laser beams 8 on two sides of the laser range finder 1 firstly irradiate onto an angle monitoring starting point reflecting plate 7 on a tunnel wall and rotate until a monitoring point reflecting plate on a whole track bed 11 of a floating plate is finished, an angle sensor transmits an angle to the controller 2, as shown in fig. 4, displacement monitoring systems on the left side and the right side simultaneously emit laser beams 8 on two sides to the monitoring point reflecting plate on the surface of the track bed, a laser transmitter of the laser range finder 1 is connected with a rotatable rear seat and connected with the angle sensor, the laser beams 8 emitted by the laser transmitter start to rotate when horizontally irradiating on the tunnel wall angle monitoring starting point reflecting plate 7, and the inclination angle of a point to be measured relative to a reference point in the horizontal direction; as shown in FIG. 4, for the left displacement monitoring system, the initial distance (L) between the reference point and the point to be measured can be measured by the laser range finder 1 sending the laser beam 8 to the track bed monitoring pointl1、Ll2) Meanwhile, the initial inclination of the point to be measured relative to the datum point in the horizontal direction can be measuredOblique angle (alpha)l1，αl2). The distance (L) after the change is then measuredl1′、Ll2') and angle (alpha)l1′、αl2') so the lateral displacement calculated using the left side displacement monitoring system is
A vertical displacement of
For the right displacement monitoring system, the initial distance (L) is measuredr1、Lr2) Initial tilt angle (α)r1，αr2) Distance after change (L)r1′、Lr2') and angle (alpha)r1′、αr2') so the lateral displacement calculated using the right side displacement monitoring system is
A vertical displacement of
The mean value of the lateral displacement of the displacement monitoring systems on the left side and the right side is
Mean value of vertical displacement of
The calculation processes of the above formulas are all processed in a central computer.
The initial distance, initial tilt angle, and changed distance and angle for the left and right monitoring systems should be taken from the same time. And monitoring the displacement monitoring process within a period of time, wherein the monitoring process ensures that a displacement change amplitude curve of displacement and time change is formed through system analysis and calculation in a vehicle-free state. When the floating plate has certain displacement, the output end of the controller 2 triggers the alarm 3 to sound and flash the lamp for alarm, if the interference of the tunnel environment is weak, the controller 2 adopts STM32 series chips, the wireless receiving and transmitting module of the STC 32 series chips is used for transmitting track displacement monitoring information to the central computer for data processing, and if the interference of the tunnel signal is strong, the STC89 series single chip microcomputer is used for connecting the RS232 communication module for wired transmission to the central computer for processing.
Claims (5)
1. A monitoring system capable of monitoring the track displacement of a floating plate comprises a base (6), and is characterized in that: install controller (2), power supply (4), laser range finder (1), siren (3) on base (6), be provided with angle sensor in laser range finder (1), controller (2) output and siren (3) electric connection, angle sensor's signal end, laser range finder's (1) signal end respectively with the input electric connection of controller (2), each mounted position reflecting plate (5) in base (6) diagonal angle both ends, the positive negative pole end of controller (2), angle sensor, laser range finder (1), siren (3) all with the positive negative pole end electric connection of power supply (4), RS232 communication module is connected to the communication port of controller (2), RS232 communication module receiving port and central computer communication interface connection.
2. The system of claim 1, wherein the floating plate track displacement monitoring system comprises: the controller (2) adopts an STM32 microchip with a wireless receiving and transmitting module.
3. The system of claim 1, wherein the floating plate track displacement monitoring system comprises: the controller (2) adopts one of an STC89 single chip microcomputer and an MSP 430.
4. The system of claim 1, wherein the floating plate track displacement monitoring system comprises: the alarm (3) adopts a buzzer and an LED lamp.
5. The system for monitoring the displacement of a floating plate track according to any one of claims 1-4, wherein: the power supply adopts a 5V lithium battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011289987.5A CN112525773B (en) | 2020-11-17 | 2020-11-17 | Monitoring system capable of monitoring track displacement of floating plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011289987.5A CN112525773B (en) | 2020-11-17 | 2020-11-17 | Monitoring system capable of monitoring track displacement of floating plate |
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| CN112525773A true CN112525773A (en) | 2021-03-19 |
| CN112525773B CN112525773B (en) | 2022-12-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587823A (en) * | 2021-07-20 | 2021-11-02 | 北京安赛博技术有限公司 | Method and device for measuring landslide displacement by judging laser displacement meter |
| CN114636374A (en) * | 2022-02-25 | 2022-06-17 | 北京星航机电装备有限公司 | Automatic measuring device and method for chord plane deviation |
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| CN109708587A (en) * | 2019-01-21 | 2019-05-03 | 郑州铁路职业技术学院 | A kind of urban track traffic tunnel deformation monitoring device |
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| CN111473734A (en) * | 2020-04-29 | 2020-07-31 | 同济大学 | System and method for monitoring stability of clamped rock in small-clear-distance tunnel |
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2020
- 2020-11-17 CN CN202011289987.5A patent/CN112525773B/en active Active
Patent Citations (10)
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|---|---|---|---|---|
| JPH08128934A (en) * | 1994-11-01 | 1996-05-21 | Shinagawa Refract Co Ltd | Hot bending strength testing device |
| JP2003207319A (en) * | 2002-01-10 | 2003-07-25 | Mitsubishi Heavy Ind Ltd | Sectional shape of rail measuring device |
| US20080072656A1 (en) * | 2006-03-18 | 2008-03-27 | Conner Charles C | Displacement instrument |
| CN203054222U (en) * | 2013-01-10 | 2013-07-10 | 江苏徕兹光电科技有限公司 | Laser range finder with angle measuring function |
| CN106840014A (en) * | 2016-12-30 | 2017-06-13 | 绍兴文理学院 | A kind of method for monitoring face along tunnel axial deformation |
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| CN109505658A (en) * | 2018-12-11 | 2019-03-22 | 云南航天工程物探检测股份有限公司 | Tunnel monitoring and pre-warning system and method based on vault sinking and perimeter convergence |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113587823A (en) * | 2021-07-20 | 2021-11-02 | 北京安赛博技术有限公司 | Method and device for measuring landslide displacement by judging laser displacement meter |
| CN114636374A (en) * | 2022-02-25 | 2022-06-17 | 北京星航机电装备有限公司 | Automatic measuring device and method for chord plane deviation |
| CN114636374B (en) * | 2022-02-25 | 2024-03-15 | 北京星航机电装备有限公司 | Automatic measuring device and method for chord plane deviation |
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| CN112525773B (en) | 2022-12-23 |
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