CN108731636A - A kind of laser sedimentation monitoring device and its monitoring method - Google Patents
A kind of laser sedimentation monitoring device and its monitoring method Download PDFInfo
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- CN108731636A CN108731636A CN201810769600.2A CN201810769600A CN108731636A CN 108731636 A CN108731636 A CN 108731636A CN 201810769600 A CN201810769600 A CN 201810769600A CN 108731636 A CN108731636 A CN 108731636A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 66
- 238000004062 sedimentation Methods 0.000 title claims abstract description 32
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims abstract description 78
- 230000035807 sensation Effects 0.000 claims abstract description 76
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000469 dry deposition Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 10
- 238000007726 management method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention discloses a kind of laser sedimentation monitoring device and its monitoring method, the monitoring device include：First laser device；Light sensation displacement sensor；Processing circuit；The monitoring method includes：Step 1：Selected setting base；Step 2：Selected settlement monitoring point；Step 3：It adjusts the angle, the first laser device is enable to be irradiated to the light sensation displacement sensor；Step 4：The irradiation point height on light sensation displacement sensor is acquired by processing circuit, meter is h0；Step 5：By a sedimentation section, emit in the second beam laser irradiation to light sensation displacement sensor, the irradiation point height on light sensation displacement sensor is acquired by processing circuit, meter is h1；Step 6：By taking absolute value to h1-h0, settling data is obtained.Laser sedimentation monitoring device monitoring accuracy of the present invention is high, strong antijamming capability；Monitoring method of the present invention, convenient for construction.
Description
Technical field
The present invention relates to building deformation measurement technical fields, and in particular to a kind of laser sedimentation monitoring device and its monitoring side
Method.
Background technology
The purpose of building deformation measurement is to obtain building yard, ground, basis, superstructure and surrounding enviroment to apply in building
Deformation information between duration and during use provides Informational support and service for construction, operation and quality safety management etc.,
And for the accumulation such as engineering design, management and scientific research and provide technical data.
Sedimentation is one of major way of building deformation, according to《Build deformation measurement specification》, settlement monitoring ranking score
For top grade, first-class, second-class, third, totally 5 ranks such as four, monitoring point measurement accuracy require to correspond to respectively 0.05mm, 0.15mm,
0.5mm, 1.5mm, 3mm, the deformation monitoring grade one in common Important building, important foundation pit, underground engineering construction and operation
As be first-class or second-class.
Currently, common building settlement monitoring technology includes mainly the measurement of the level and total station survey two ways, digital water
Both digitized optical observation instruments of quasi- instrument, total powerstation are universally recognized deformation monitoring instruments in the industry, are widely used
In various modifications measurement.In settling class deformation observation, the measurement of the level (also referred to as levelling) is most common method,
It is measured using Trigonometric Leveling by Total Station and carries out settlement observation, the trigonometric levelling based on total powerstation can be used for third, four etc. heavy
Drop observation, digital level need manual operation, can not achieve on-line automatic settlement monitoring function, and observing frequency is low；Total powerstation
Automatic monitoring system (also referred to as robot automatic monitoring system) may be implemented to monitor automatically, but when for settlement monitoring, precision
It is low and expensive, it is seldom used in Practical Project.Also hydrostatic leveling, still, static(al) are used in the settlement monitoring having
During long-term operation liquid level decline caused by liquid evaporation, particular sensor damage, part inevitably occur for leveling systems
Situations such as pipeline leakage, needs periodically to be maintained, and to ensure that data can postpone when something unexpected happened, static level is surveyed
Amount system should carry out mutual school with the measurement of the level, and therefore, although hydrostatic leveling can be used for on-line automatic settlement monitoring, still
Liquid conduits must be used to connect, construction is complicated, and stability is poor, and apparent (temperature, vibration etc.) affected by environment, monitoring object has
When larger height difference, need that transit point is arranged；And it when for on-line automatic settlement monitoring for a long time, evaporates and causes liquid level
It reduces, will produce apparent systematic error.
Based on technical problem as above exists in the prior art, the present inventor combines years of researches experience, proposes a kind of
Laser sedimentation monitoring device and its monitoring method.
Invention content
The present invention provides a kind of laser sedimentation monitoring device and its monitoring method, the present invention is based on laser alignment characteristic,
Basic point fixes a laser, and a light sensation displacement sensor is fixed in monitoring point, by acquiring light sensation displacement sensor one
Difference in a sedimentation section realizes the monitoring to sedimentation, the monitoring device precision height, strong antijamming capability, the monitoring
Method is easy for construction.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of laser sedimentation monitoring device, including：
First laser device is arranged on fixed basic point；
Light sensation displacement sensor is fixed on settlement monitoring point and can receive swashing for the first laser device transmission
Light；
Processing circuit is connected to the light sensation displacement sensor and can acquire the elevation of the settlement monitoring point；
The processing circuit includes battery, the battery by power management module to driving collecting unit, MCU module and
Communication module is powered, and the MCU module is connected to the driving collecting unit to be controlled to the driving collecting unit
The elevation information that the driving collecting unit is collected into is made and can collect, the MCU module is connected to the communication module simultaneously
The elevation information can be sent to the communication module, the communication module can receive the height that the MCU module is sent
The elevation information simultaneously can be sent to detection platform by journey information according to the instruction of the MCU module, wherein the driving is adopted
Collection unit is connected to the first laser device and the light sensation displacement sensor.
Further, the light sensation displacement sensor includes linear sensor devices, and the linear sensor devices are installed in biography
In sensor shell, optical lens mirror cover is closed at the one end open of the sensor housing to receive the first laser device transmitting
Laser simultaneously will be in laser irradiation to linear sensor devices.
Further, the other end of the sensor housing is equipped with the second laser that an angle can be adjusted.
Further, second laser is fixedly connected on the other end of the sensor housing by flexural pivot.
The present invention also provides a kind of Monitoring method of the subsidence of laser sedimentation monitoring device, include the following steps：
Step 1：Selected setting base, first laser device is fixed on the basic point；
Step 2：Selected settlement monitoring point, light sensation displacement sensor is fixed on settlement monitoring point；
Step 3：The angle for adjusting the first laser device and the light sensation displacement sensor makes the first laser
Device can be irradiated to the light sensation displacement sensor；
Step 4：Start the first laser device, emits in the first beam laser irradiation to light sensation displacement sensor, pass through place
The irradiation point height on circuit acquisition light sensation displacement sensor is managed, meter is h0；
Step 5：By a sedimentation section, emit in the second beam laser irradiation to light sensation displacement sensor, wherein described
Beam of laser is identical with the irradiating angle of the second beam laser, and the photograph on light sensation displacement sensor is acquired by processing circuit
Exit point elevation, meter are h1；
Step 6：By taking absolute value to h1-h0, the settling data of the settlement monitoring point is obtained.
One kind as the present invention preferably includes the following steps in step 2：
Step 2.1：Several settlement monitoring points are selected, several light sensation displacement sensors are respectively fixedly disposed at several
On settlement monitoring point, wherein several described settlement monitoring points are arranged in wire type.
One kind as the present invention preferably includes the following steps in step 3：
Step 3.1：The angle for adjusting the first laser device and several light sensation displacement sensors makes described first to swash
Light device can be irradiated to several light sensation displacement sensors, and acquire point of irradiation on several light sensation displacement sensors
Elevation.
One kind as the present invention preferably includes the following steps in step 4：
Step 4.1：The second laser irradiation being equipped with by one of light sensation displacement sensor back side with it is described wherein
The adjacent light sensation displacement sensor of one light sensation displacement sensor, and acquire the irradiation on the adjacent light sensation displacement sensor
The elevation of point；
Step 4.2：By the method in step 4.1, the photograph on light sensation displacement sensor on all settlement monitoring points is acquired
The elevation of exit point.
Further, several described light sensation displacement sensors are all connected to the processing circuit.
Compared with prior art, superior effect of the invention is：
Laser sedimentation monitoring device of the present invention, by be equipped with first laser device, light sensation displacement sensor and
Processing circuit makes the laser sedimentation monitoring device monitoring accuracy height, strong antijamming capability；
Monitoring method of the present invention, convenient for monitoring construction.
Description of the drawings
Fig. 1 is the structural schematic diagram of laser sedimentation monitoring device in embodiment 1 in the present invention；
Fig. 2 is the structural schematic diagram of light sensation displacement sensor in embodiment 1 in the present invention；
Fig. 3 is the schematic diagram of processing circuit in embodiment 1 in the present invention；
Fig. 4 is the structural schematic diagram for driving collecting unit in the present invention in embodiment 1；
Wherein, 1- first laser devices, 2- light sensations displacement sensor, the linear sensor devices of 21-, 22- sensor housings, 221-
Second laser, 23- optical lenses.
Specific implementation mode
It elaborates below to the specific embodiment of the invention.
Embodiment 1
As illustrated in the accompanying drawings from 1 to 3, a kind of laser sedimentation monitoring device, including：
First laser device 1 is arranged on fixed basic point；
Light sensation displacement sensor 2 is fixed on settlement monitoring point and can receive the transmission of the first laser device 1
Laser；
Processing circuit is connected to the light sensation displacement sensor 2 and can acquire the elevation of the settlement monitoring point；
The processing circuit includes battery, the battery by power management module to driving collecting unit, MCU module and
Communication module is powered, and the MCU module is connected to the driving collecting unit to be controlled to the driving collecting unit
The elevation information that the driving collecting unit is collected into is made and can collect, the MCU module is connected to the communication module simultaneously
The elevation information can be sent to the communication module, the communication module can receive the height that the MCU module is sent
The elevation information simultaneously can be sent to detection platform by journey information according to the instruction of the MCU module, wherein the driving is adopted
Collection unit is connected to the first laser device 1 and the light sensation displacement sensor 2.
The light sensation displacement sensor 2 includes linear sensor devices 21, and the linear sensor devices 21 are installed in sensor
In shell 22, the lid of optical lens 23 closes at the one end open of the sensor housing 22 to receive the hair of the first laser device 1
The laser penetrated simultaneously will be in laser irradiation to linear sensor devices 21.
The other end of the sensor housing 22 is equipped with the second laser 221 that an angle can be adjusted.
Second laser 221 is fixedly connected on the other end of the sensor housing 22 by flexural pivot.
In the present embodiment, the core cell of the light sensation displacement sensor 2 is the linear sensor devices 21, by a row
Or the photosensitive member that multiple row equidistantly arranges is constituted, laser is by the optical lens 23, in the light of the linear sensor devices 21
Optical imagery is formed in quick member, the optical information in photosensitive member is converted into the corresponding quantity of electric charge, laser irradiation by the processing circuit
The quantity of electric charge that generates of the corresponding photosensitive member in position be apparently higher than other sensitive first positions, judge the photosensitive member of the high quantity of electric charge as a result,
Position, to obtain the height measurement results of laser irradiating position.
In the present embodiment, the second laser 221 of an adjustable angle is installed in the other end of the sensor shell 22,
By the other adjacent light sensation displacement sensors 2 of second laser irradiation, continuous multi-point displacement monitoring may be implemented.
As shown in figure 3, for the principle drawing of the processing circuit, in figure, MCU module is main control unit, has been mainly used for
At the major functions such as acquisition control, Laser emission control, photoelectricity acquisition control, data transmission, system diagnostics, in the present embodiment
The MCU module uses 32 high-performance low-power-consumption ARM series processors, using ARM Cortex-M4 processor cores；
As shown in figure 4, the driving collecting unit is by multiplexer, signal conditioner, A/D converter and multipath conversion
It is formed, and the driving collecting unit completes laser transmitting, photoelectricity driving acquisition function, linearly according to the order of MCU module
Sensor devices are that multiple linearly aligned photosensitive units are constituted, and are generally driven using point by point scanning scheme；First by multichannel
The current unit number to be treated of converter selection, is filtered through signal conditioner, A/D converter is handed over to be simulated
The conversion of electric signal and digital signal, transformation result are cached by data storage；The scan process of all the points is carried out successively,
A frame sampling result data is formed, driving collecting unit completes scanning, photoelectric signal transformation and the scanning knot of linear sensor devices
The output of fruit, MCU module carry out analyzing processing to sampled result, obtain laser irradiating position information, as displacement measurement；
Communication module, the main communication function completed with monitoring platform, receiving platform instruction, transmission MCU module instruction are rung
It answers information and sends gathered data, in the present embodiment, the communication module includes wired communication module and wireless communication module,
Wherein, wire communication module uses RS-485 communication modes, wireless communication module to use ZigBee, 433MHz or LoRa；
Power management module, the various power supply signals for being mainly used for battery charging and discharging management, other modules needs being provided；
Battery provides system work energy.
A kind of Monitoring method of the subsidence of laser sedimentation monitoring device in the present embodiment, includes the following steps：
Step 1：Selected setting base, first laser device 1 is fixed on the basic point；
Step 2：Selected settlement monitoring point, light sensation displacement sensor 2 is fixed on settlement monitoring point；
Step 3：The angle for adjusting the first laser device 1 and the light sensation displacement sensor 2 makes described first to swash
Light device 1 can be irradiated to the light sensation displacement sensor 2；
Step 4：Start the first laser device 1, emits in the first beam laser irradiation to light sensation displacement sensor 2, pass through
Processing circuit acquires the irradiation point height on light sensation displacement sensor 2, and meter is h0；
Step 5：By a sedimentation section, emit in the second beam laser irradiation to light sensation displacement sensor 2, wherein institute
It is identical with the irradiating angle of the second beam laser to state beam of laser, is acquired on light sensation displacement sensor 2 by processing circuit
Irradiation point height, meter be h1；
Step 6：By taking absolute value to h1-h0, the settling data of the settlement monitoring point is obtained.
Embodiment 2
In the present embodiment, include the following steps in step 2：
Step 2.1：Several settlement monitoring points are selected, if several light sensation displacement sensors 2 are respectively fixedly disposed at
On dry deposition monitoring point, wherein several described settlement monitoring points are arranged in wire type.Wherein, the wire type arrangement can be straight
Line or curve, preferably, adjacent settlement monitoring point is placed equidistant with one kind as the present embodiment.
Include the following steps in step 3：
Step 3.1：The angle for adjusting the first laser device 1 and several light sensation displacement sensors 2, makes described first
Laser can be irradiated to several light sensation displacement sensors 2, and acquire the irradiation on several light sensation displacement sensors 2
The elevation of point.Include the following steps in step 4：
Step 4.1：The irradiation of second laser 221 being equipped with by one of 2 back side of light sensation displacement sensor with it is described
The adjacent light sensation displacement sensor 2 of one of light sensation displacement sensor 2, and acquire the adjacent light sensation displacement sensor 2
On point of irradiation elevation；
Step 4.2：By the method in step 4.1, the photograph on light sensation displacement sensor 2 on all settlement monitoring points is acquired
The elevation of exit point.
In the present embodiment, by a sedimentation section, several light sensation displacements are irradiated again by first laser device 1
Sensor 2, acquisition is irradiated again and the elevation of point of irradiation that is collected into, is compared by the height value to same illumination point,
Up to the sedimentation value of the point of irradiation.
Several described light sensation displacement sensors 2 are all connected to the processing circuit.
The present invention is not limited to the above embodiments, and the above embodiments and description only describe the present invention's
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is defined by the following claims.
Claims (9)
1. a kind of laser sedimentation monitoring device, which is characterized in that including：
First laser device is arranged on fixed basic point；
Light sensation displacement sensor is fixed on settlement monitoring point and can receive the laser that the first laser device is sent；
Processing circuit is connected to the light sensation displacement sensor and can acquire the elevation of the settlement monitoring point；
The processing circuit includes battery, and the battery is by power management module to driving collecting unit, MCU module and communication
Module is powered, and the MCU module is connected to the driving collecting unit to be controlled simultaneously the driving collecting unit
The elevation information that the driving collecting unit is collected into can be collected, the MCU module is connected to the communication module and can
The elevation information is sent to the communication module, the communication module can receive the elevation letter that the MCU module is sent
It ceases and the elevation information can be sent to detection platform according to the instruction of the MCU module, wherein the driving acquisition is single
Member is connected to the first laser device and the light sensation displacement sensor.
2. laser sedimentation monitoring device according to claim 1, which is characterized in that the light sensation displacement sensor includes line
Sexy optical device, the linear sensor devices are installed in sensor shell body, and optical lens mirror cover is closed in the sensor housing
At one end open with receive first laser device transmitting laser and will be in laser irradiation to linear sensor devices.
3. laser sedimentation monitoring device according to claim 2, which is characterized in that the other end of the sensor housing is pacified
The second laser that can be adjusted equipped with an angle.
4. laser sedimentation monitoring device according to claim 3, which is characterized in that second laser is fixed by flexural pivot to be connected
It is connected to the other end of the sensor housing.
5. a kind of Monitoring method of the subsidence of laser sedimentation monitoring device, which is characterized in that include the following steps：
Step 1：Selected setting base, first laser device is fixed on the basic point；
Step 2：Selected settlement monitoring point, light sensation displacement sensor is fixed on settlement monitoring point；
Step 3：The angle for adjusting the first laser device and the light sensation displacement sensor enables the first laser device
Enough it is irradiated to the light sensation displacement sensor；
Step 4：Start the first laser device, emit in the first beam laser irradiation to light sensation displacement sensor, by handling electricity
Road acquires the irradiation point height on light sensation displacement sensor, and meter is h0；
Step 5：By a sedimentation section, emit in the second beam laser irradiation to light sensation displacement sensor, wherein described first
Shu Jiguang is identical with the irradiating angle of the second beam laser, and the point of irradiation on light sensation displacement sensor is acquired by processing circuit
Elevation, meter are h1；
Step 6：By to h1-h0It takes absolute value, obtains the settling data of the settlement monitoring point.
6. the Monitoring method of the subsidence of laser sedimentation monitoring device according to claim 5, which is characterized in that wrapped in step 2
Include following steps：
Step 2.1：Several settlement monitoring points are selected, if several light sensation displacement sensors are respectively fixedly disposed at dry deposition
On monitoring point, wherein several described settlement monitoring points are arranged in wire type.
7. the Monitoring method of the subsidence of laser sedimentation monitoring device according to claim 6, which is characterized in that wrapped in step 3
Include following steps：
Step 3.1：The angle for adjusting the first laser device and several light sensation displacement sensors, makes the first laser device
Several light sensation displacement sensors can be irradiated to, and acquire the height of the point of irradiation on several light sensation displacement sensors
Journey.
8. the Monitoring method of the subsidence of laser sedimentation monitoring device according to claim 6, which is characterized in that wrapped in step 4
Include following steps：
Step 4.1：The second laser irradiation being equipped with by one of light sensation displacement sensor back side with it is described one of them
The adjacent light sensation displacement sensor of light sensation displacement sensor, and acquire point of irradiation on the adjacent light sensation displacement sensor
Elevation；
Step 4.2：By the method in step 4.1, the point of irradiation on light sensation displacement sensor on all settlement monitoring points is acquired
Elevation.
9. the Monitoring method of the subsidence of laser sedimentation monitoring device according to claim 6, which is characterized in that it is described several
Light sensation displacement sensor is all connected to the processing circuit.
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| CN201810769600.2A CN108731636A (en) | 2018-07-13 | 2018-07-13 | A kind of laser sedimentation monitoring device and its monitoring method |
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| CN201810769600.2A CN108731636A (en) | 2018-07-13 | 2018-07-13 | A kind of laser sedimentation monitoring device and its monitoring method |
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| CN109297464A (en) * | 2018-12-03 | 2019-02-01 | 大连维德集成电路有限公司 | A kind of bridge settlement vision monitor and method based on laser positioning |
| CN110726395A (en) * | 2019-11-07 | 2020-01-24 | 袁坡 | Wireless settlement monitor and monitoring method |
| CN111089565A (en) * | 2019-12-30 | 2020-05-01 | 安徽理工大学 | Foundation settlement monitoring system based on laser measurement |
| CN111926662A (en) * | 2020-02-11 | 2020-11-13 | 北京联睿科科技有限公司 | Online monitoring method and system for pavement settlement |
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| CN109297464A (en) * | 2018-12-03 | 2019-02-01 | 大连维德集成电路有限公司 | A kind of bridge settlement vision monitor and method based on laser positioning |
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| CN111926662A (en) * | 2020-02-11 | 2020-11-13 | 北京联睿科科技有限公司 | Online monitoring method and system for pavement settlement |
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