CN110006359A - A kind of structure Light deformation real-time monitoring system based on laser range finder - Google Patents
A kind of structure Light deformation real-time monitoring system based on laser range finder Download PDFInfo
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- CN110006359A CN110006359A CN201910387442.9A CN201910387442A CN110006359A CN 110006359 A CN110006359 A CN 110006359A CN 201910387442 A CN201910387442 A CN 201910387442A CN 110006359 A CN110006359 A CN 110006359A
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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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a kind of structure Light deformation real-time monitoring system based on laser range finder, field is monitored more particularly to building, including cloud platform, the input terminal of the cloud platform is equipped with monitoring system, the output end of the cloud platform is equipped with monitor terminal, the connecting pin of the monitoring system is equipped with GPRS module, and the monitoring system includes laser range finder and hydrolevelling device, and the hydrolevelling device is arranged in laser range finder side.The present invention cooperates laser range finder and hydrolevelling device by mark point A, B, C and D, remote monitoring building Light deformation, it is easy for installation, do not have to contact testee, avoids the phenomenon that building is destroyed, real-time monitoring testee, consider that laser range finder settles the influence generated to measurement result, reduce measurement error, the value obtained using electronic leveler measuring instrument is more accurate, raising measurement accuracy is accurate, and calculating deflection makes data visualization.
Description
Technical field
The present invention relates to buildings to monitor field, it is more particularly related to a kind of knot based on laser range finder
Structure Light deformation real-time monitoring system.
Background technique
Structural safety monitoring mainly includes deformation monitoring, seepage monitoring, ess-strain monitoring, temperature monitoring etc..Wherein, become
Shape monitors intuitive and reliable, the structure safety property that can be reflected in substantially under various load actions, thus becomes mostly important prison
Survey project.Present invention is primarily concerned be body structure surface deformation.Currently, body structure surface technology for deformation monitoring specifically includes that routine
Geodetic Technique, robot measurement monitoring technology, Three Dimensional Ground laser scanner technique, photogrammetry and remote-sensing technique, GPS skill
Art etc..
The measurement inclination angle of routine, sedimentation, strain transducer require to be mounted on sensor on monitoring ontology, due to some
Monitoring object ontology cannot destroy, so sensor can not be installed in the monitoring object body surface.It is remote using laser range sensor
Range measurement monitors object ontology, does not destroy monitoring object ontology although can solve, the time has grown laser range sensor
Also sedimentation can not be determined whether.If the fixed supporter of laser range sensor has sedimentation, measurement monitoring object
Error will occur for ontology, be unable to get the monitoring true structure Light deformation of object ontology.
Therefore, it is necessary to invent a kind of structure Light deformation real-time monitoring system based on laser range finder.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of structure based on laser range finder
Light deformation real-time monitoring system cooperates laser range finder and hydrolevelling device, remote monitoring to build by mark point A, B, C and D
Object Light deformation is built, it is easy for installation, do not have to contact testee, avoids the phenomenon that building is destroyed, real-time monitoring measured object
Body is considered that laser range finder settles the influence generated to measurement result, reduces measurement error, obtained using electronic leveler measuring instrument
Value it is more accurate, improve measurement accuracy it is accurate, calculating deflection makes data visualization.
To achieve the above object, the invention provides the following technical scheme: a kind of structure Light deformation based on laser range finder
The input terminal of real-time monitoring system, including cloud platform, the cloud platform is equipped with monitoring system, and the output end of the cloud platform is equipped with
The connecting pin of monitor terminal, the monitoring system is equipped with GPRS module；
The monitoring system includes laser range finder and hydrolevelling device, and the hydrolevelling device is arranged in laser range finder
Side, the laser range finder bottom are equipped with fixed support, the first mark point and the second mark are equipped at the top of the laser range finder
Remember point, first mark point and the second mark point are separately positioned on laser range finder both ends, and the laser range finder is for surveying
Distance between measured object and laser range finder is measured, the measured object surface is equipped with third mark point；
The monitor terminal includes computing module, display module and memory module, and the computing module is tested for calculating
The miniature variable of object, and by calculated result in display module real-time display, while storing in a storage module.
In a preferred embodiment, first mark point, the second mark point and third mark point are set as marking
Label, three labels are Nian Jie with laser range finder and measured object respectively.
In a preferred embodiment, the hydrolevelling device is used to monitor the first mark point and the second mark point
Absolute altitude initial value and after a certain period of time actual value, the hydrolevelling device side are additionally provided with laser emitter, the laser
Transmitter matches with third mark point initial position, and laser emitter is D in the laser point of measured object.
It in a preferred embodiment, further include a kind of structure Light deformation real-time monitoring side based on laser range finder
Method, the specific steps are as follows:
Step 1: setting the fixed support of placement in front of measured object, and laser range finder be fixedly mounted in fixed branch support,
Laser range finder switch is opened, laser level is directed at measured object, the first label is puted up at both ends respectively at the top of laser range finder
Point and the second mark point, put up third mark point in the laser point on quasi- measured object surface；
Step 2: hydrolevelling device, the first mark point of real-time monitoring and the second mark point are set in laser range finder side
Real-time change absolute altitude, the height change value of the first mark point and the second mark point is transferred to cloud platform, measures laser ranging
Instrument variation after measured object measurement point between third mark point at a distance from, be transferred to cloud platform, measure laser range finder
Numerical value real-time Transmission is measured to cloud platform；
Step 3: monitor terminal obtains detection data from cloud platform, and computing module handles data set, and according to letter
Number formula calculates measured object deflection；
Step 4: obtaining measured object deflection, and store and save in a storage module, real-time monitoring structure change.
In a preferred embodiment, the first mark point, the second mark point and third mark point in the step 1
It is respectively labeled as point A, point B and point C, the distance of the point A to point B are set as m, and laser range finder initial measurement is z1, swash
Measured value is z2 after optar sedimentation, and the distance that point-to-point C is measured after laser range finder sedimentation is y, laser range finder sedimentation
The distance of measurement point to laser point D are n afterwards.
In a preferred embodiment, fixed support hair is followed in the step 2 in laser range finder measurement process
Raw sedimentation, the first mark point and the second mark point follow laser range finder to settle, and the sedimentation height difference of point A is l1, and the sedimentation of point B is high
Difference is l2, and the sedimentation of the first mark point and the second mark point is specific as follows there are three kinds of situations:
First mark point and the second mark point do not settle, i.e. l1=l2=0；
First mark point and the second mark point settle, and the first mark point is identical with the second mark point settling amount,
That is l1=l2 ≠ 0；
First mark point and the second mark point settle, and the first mark point is different from the second mark point settling amount,
That is l1 > l2 or l1 < l2.
In a preferred embodiment, measured object deflection is calculated in the step 3, according to the first mark point and
The sedimentation situation classified calculating of second mark point, indicates measured object transversal displacement and vertical misalignment amount with F and G respectively, specifically
It is as follows:
As l1=l2=0, calculation formula is specific as follows:
F=z1-z2
As l1=l2 ≠ 0, calculation formula is specific as follows:
F=z1-z2
F=l1-y
As l1 > l2 or l1 < l2, calculation formula is specific as follows:
H=z2* | l1-l2 |
Wherein, h be wherein after laser range finder (5) sedimentation measurement point to laser point D vertical height.
Technical effect and advantage of the invention:
1, laser range finder and hydrolevelling device, remote monitoring building is cooperated to be slightly variable by mark point A, B, C and D
Shape, it is easy for installation, do not have to contact testee, avoid the phenomenon that building is destroyed, real-time monitoring testee considers to swash
Optar settles the influence that generates to measurement result, reduction measurement error, and the value obtained using electronic leveler measuring instrument is more
Accurately, raising measurement accuracy is accurate, and calculating deflection makes data visualization；
2, pass through GPRS module for data transfer to cloud platform, monitor terminal obtains measurement data and simultaneously passes through operation mould
Block calculates the miniature variable of measured object, and by calculated result in display module real-time display, while storing in a storage module, favorably
In realizing remote real-time monitoring, deformation process is recorded convenient for estimating deformation tendency and, to repair in time, is conducive to building
Safety.
Detailed description of the invention
Fig. 1 is overall structure block diagram of the invention.
Fig. 2 is the structural schematic diagram of monitoring system of the present invention.
Fig. 3 is the non-settling air inlet embodiment schematic diagram of present invention point A and B.
The air inlet embodiment schematic diagram that Fig. 4 is present invention point A and B equivalent settles.
Fig. 5 is that settling amount point A of the present invention is less than point B embodiment schematic diagram.
Fig. 6 is that settling amount point A of the present invention is greater than point B embodiment schematic diagram.
Appended drawing reference are as follows: 1 cloud platform, 2 monitoring systems, 3 monitor terminals, 4GPRS module, 5 laser range finders, 6 levels are surveyed
Measure instrument, 7 computing modules, 8 display modules, 9 memory modules, 10 fixed supports, 11 laser emitters.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of structure Light deformation real-time monitoring system based on laser range finder according to shown in Fig. 1-6, including cloud platform
1, it is characterised in that: the input terminal of the cloud platform 1 is equipped with monitoring system 2, and the output end of the cloud platform 1 is equipped with monitor terminal
3, the connecting pin of the monitoring system 2 is equipped with GPRS module 4；
The monitoring system 2 includes laser range finder 5 and hydrolevelling device 6, and the hydrolevelling device 6 is arranged in Laser Measuring
5 side of distance meter, 5 bottom of laser range finder are equipped with fixed support 10, are equipped with the first mark point at the top of the laser range finder 5
With the second mark point, first mark point and the second mark point are separately positioned on 5 both ends of laser range finder, the laser ranging
Instrument 5 is equipped with third mark point for measuring distance between measured object and laser range finder 5, the measured object surface；
The monitor terminal 3 includes computing module 7, display module 8 and memory module 9, and the computing module 7 is for calculating
The miniature variable of measured object, and by calculated result in 8 real-time display of display module, while being stored in memory module 9；
First mark point, the second mark point and third mark point are set as label, three labels respectively with swash
Optar 5 and measured object bonding；
When the hydrolevelling device 6 is used to monitor the absolute altitude initial value of the first mark point and the second mark point and crosses section
Between after actual value, 6 side of hydrolevelling device is additionally provided with laser emitter 11, the laser emitter 11 and third mark point
Initial position matches, and laser emitter 11 is D in the laser point of measured object；
A kind of structure Light deformation real-time monitoring system based on laser range finder, further includes one kind according to shown in Fig. 1-6
Structure Light deformation method of real-time based on laser range finder, the specific steps are as follows:
Step 1: the fixed support 10 of placement is set in front of measured object, and Laser Measuring is fixedly mounted at fixed 10 top of support
Distance meter 5 is opened laser range finder 5 and is switched, laser level is directed at measured object, is puted up respectively at 5 top both ends of laser range finder
First mark point and the second mark point put up third mark point in the laser point on quasi- measured object surface；
Step 2: hydrolevelling device 6, the first mark point of real-time monitoring and the second label are set in 5 side of laser range finder
The height change value of first mark point and the second mark point is transferred to cloud platform 1, measures Laser Measuring by the real-time change absolute altitude of point
Distance meter 5 change after measured object measurement point between third mark point at a distance from, be transferred to cloud platform 1, measure laser ranging
The measurement numerical value real-time Transmission of instrument 5 is to cloud platform 1；
Step 3: monitor terminal 3 obtains detection data from cloud platform 1, and computing module 7 handles data set, and root
Measured object deflection is calculated according to function formula；
Step 4: obtaining measured object deflection, and be stored in memory module 9 and save, real-time monitoring structure change；
The first mark point, the second mark point and third mark point are respectively labeled as point A, point B and point C in the step 1,
The distance of the point A to point B are set as m, and 5 initial measurement of laser range finder is z1, and measured value is after laser range finder 5 settles
Z2, laser range finder 5 measures point-to-point C distance after settling is y, after laser range finder 5 settles measurement point to laser point D away from
From for n；
Follow fixed support 10 to settle in the step 2 in 5 measurement process of laser range finder, the first mark point with
Second mark point follows laser range finder 5 to settle, and the sedimentation height difference of point A is l1, and the sedimentation height difference of point B is l2, the first mark point
Sedimentation with the second mark point is specific as follows there are three kinds of situations:
First mark point and the second mark point do not settle, i.e. l1=l2=0；
First mark point and the second mark point settle, and the first mark point is identical with the second mark point settling amount,
That is l1=l2 ≠ 0；
First mark point and the second mark point settle, and the first mark point is different from the second mark point settling amount,
That is l1 > l2 or l1 < l2；
Measured object deflection is calculated in the step 3, is classified according to the sedimentation situation of the first mark point and the second mark point
It calculates, indicates measured object transversal displacement and vertical misalignment amount with F and G respectively, specific as follows:
As l1=l2=0, calculation formula is specific as follows:
F=z1-z2
As l1=l2 ≠ 0, calculation formula is specific as follows:
F=z1-z2
F=l1-y
As l1 > l2 or l1 < l2, calculation formula is specific as follows:
H=z2* | l1-l2 |
Wherein, h be wherein after laser range finder (5) sedimentation measurement point to laser point D vertical height.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, other knots
Structure, which can refer to, to be commonly designed, and under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of structure Light deformation real-time monitoring system based on laser range finder, including cloud platform (1), it is characterised in that: institute
The input terminal for stating cloud platform (1) is equipped with monitoring system (2), and the output end of the cloud platform (1) is equipped with monitor terminal (3), described
The connecting pin of monitoring system (2) is equipped with GPRS module (4)；
The monitoring system (2) includes laser range finder (5) and hydrolevelling device (6), and hydrolevelling device (6) setting is swashing
Optar (5) side, laser range finder (5) bottom are equipped with fixed support (10), set at the top of the laser range finder (5)
There are the first mark point and the second mark point, first mark point and the second mark point are separately positioned on laser range finder (5) two
End, for measuring distance between measured object and laser range finder (5), the measured object surface is equipped with the laser range finder (5)
Third mark point；
The monitor terminal (3) includes computing module (7), display module (8) and memory module (9), and the computing module (7) is used
In the calculating miniature variable of measured object, and by calculated result in display module (8) real-time display, while being stored in memory module (9)
In.
2. a kind of structure Light deformation real-time monitoring system based on laser range finder according to claim 1, feature exist
In: first mark point, the second mark point and third mark point are set as label, three labels respectively with laser ranging
Instrument (5) and measured object bonding.
3. a kind of structure Light deformation real-time monitoring system based on laser range finder according to claim 1, feature exist
It is used to monitor the absolute altitude initial value and after a time of the first mark point and the second mark point in: the hydrolevelling device (6)
Actual value afterwards, hydrolevelling device (6) side are additionally provided with laser emitter (11), the laser emitter (11) and third mark
Note point initial position matches, and laser emitter (11) is D in the laser point of measured object.
4. a kind of structure Light deformation real-time monitoring system based on laser range finder according to claim 1, feature exist
In: it further include a kind of structure Light deformation method of real-time based on laser range finder, the specific steps are as follows:
Step 1: the fixed support (10) of placement is set in front of measured object, and Laser Measuring is fixedly mounted at the top of fixed support (10)
Distance meter (5) opens laser range finder (5) switch, laser level is directed at measured object, the both ends point at the top of laser range finder (5)
The first mark point and the second mark point are not puted up, put up third mark point in the laser point on quasi- measured object surface；
Step 2: being arranged hydrolevelling device (6) in laser range finder (5) side, the first mark point of real-time monitoring and the second label
The real-time change absolute altitude of point, is transferred to cloud platform (1) for the height change value of the first mark point and the second mark point, measures laser
Rangefinder (5) variation after measured object measurement point between third mark point at a distance from, be transferred to cloud platform (1), measurement swash
The measurement numerical value real-time Transmission of optar (5) gives cloud platform (1)；
Step 3: monitor terminal (3) obtains detection data from cloud platform (1), and computing module (7) handles data set, and
Measured object deflection is calculated according to function formula；
Step 4: obtaining measured object deflection, and is stored in memory module (9) and saves, real-time monitoring structure change.
5. a kind of structure Light deformation real-time monitoring system based on laser range finder according to claim 1, feature exist
In: the first mark point, the second mark point and third mark point are respectively labeled as point A, point B and point C, the point in the step 1
The distance of A to point B are set as m, and laser range finder (5) initial measurement is z1, and measured value is after laser range finder (5) sedimentation
Z2, the distance that point-to-point C is measured after laser range finder (5) sedimentation is y, and measurement point is to laser point D after laser range finder (5) sedimentation
Distance be n.
6. a kind of structure Light deformation real-time monitoring system based on laser range finder according to claim 1, feature exist
In: follow fixed support (10) to settle in the step 2 in laser range finder (5) measurement process, the first mark point and the
Two mark points follow laser range finder (5) to settle, and the sedimentation height difference of point A is l1, and the sedimentation height difference of point B is l2, the first mark point
Sedimentation with the second mark point is specific as follows there are three kinds of situations:
First mark point and the second mark point do not settle, i.e. l1=l2=0；
First mark point and the second mark point settle, and the first mark point is identical with the second mark point settling amount, i.e. l1
=l2 ≠ 0；
First mark point and the second mark point settle, and the first mark point is different from the second mark point settling amount, i.e. l1
> l2 or l1 < l2.
7. a kind of structure Light deformation real-time monitoring system based on laser range finder according to claim 1, feature exist
In: measured object deflection is calculated in the step 3, according to the sedimentation situation classified calculating of the first mark point and the second mark point,
Measured object transversal displacement and vertical misalignment amount are indicated with F and G respectively, specific as follows:
As l1=l2=0, calculation formula is specific as follows:
F=z1-z2
As l1=l2 ≠ 0, calculation formula is specific as follows:
F=z1-z2
F=l1-y
As l1 > l2 or l1 < l2, calculation formula is specific as follows:
H=z2* | l1-l2 |
Wherein, h be wherein after laser range finder (5) sedimentation measurement point to laser point D vertical height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387442.9A CN110006359B (en) | 2019-05-10 | 2019-05-10 | Structure micro-deformation real-time monitoring system based on laser range finder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387442.9A CN110006359B (en) | 2019-05-10 | 2019-05-10 | Structure micro-deformation real-time monitoring system based on laser range finder |
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| CN110006359A true CN110006359A (en) | 2019-07-12 |
| CN110006359B CN110006359B (en) | 2020-12-11 |
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ID=67176478
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Cited By (5)
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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 |
| CN112304227A (en) * | 2020-10-24 | 2021-02-02 | 浙江中岩工程技术研究有限公司 | Bridge displacement detection device and detection method thereof |
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| CN113638602A (en) * | 2021-07-12 | 2021-11-12 | 中国建筑第四工程局有限公司 | High-precision construction method for ultra-high large-section concrete independent column in hangar hall |
| CN115655136A (en) * | 2022-12-14 | 2023-01-31 | 中大智能科技股份有限公司 | Three-dimensional deformation measuring device |
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| CN115655136A (en) * | 2022-12-14 | 2023-01-31 | 中大智能科技股份有限公司 | Three-dimensional deformation measuring device |
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| CN110006359B (en) | 2020-12-11 |
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