CN206223097U - For the vertical displacement of large structure body and the measurement apparatus of ground settlement - Google Patents
For the vertical displacement of large structure body and the measurement apparatus of ground settlement Download PDFInfo
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- CN206223097U CN206223097U CN201620834706.2U CN201620834706U CN206223097U CN 206223097 U CN206223097 U CN 206223097U CN 201620834706 U CN201620834706 U CN 201620834706U CN 206223097 U CN206223097 U CN 206223097U
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Abstract
The utility model discloses a kind of for the vertical displacement of large structure body and the measurement apparatus of ground settlement, including several measuring units and the data processing centre for being arranged on distal end, each measuring unit includes imaging system, hydrostatic level, benchmark parallel target, measurement target drone no less than one and the laser range finder no less than, data processing centre obtains hydrostatic level, after the measurement result of laser range finder and imaging system, popped one's head according to sedimentation, benchmark parallel target, the measurement result of measurement target drone and laser range finder, it is calculated large structure side wall, the displacement at top and ground settlement parameter.The utility model overcomes the displacement that measuring system is produced because imaging system is subject to the reason such as load or the deformation of itself installation foundation, ultimately result in the measurement error of system, improve certainty of measurement, the undisturbed measurement of ground settlement parameter is realized simultaneously, for the large structures such as tunnel, the current of interior vehicle is not influenceed, with application value higher.
Description
Technical field
The utility model belongs to mechanical meaurement technical field, is related to one kind to be filled for large structure displacement and distortion measurement
Put, the device and method of particularly a kind of self-alignment long-range displacement or distortion measurement.
Background technology
Including bridge, dam, tunnel, slope and building construction etc., its deformation mainly includes static deformation to large structure
And dynamic deformation, static deformation refers to that ground sink, inclines and the very slow deformation of the change such as stress relaxation, dynamic deformation refer to by
The shortterm deflection that Yu Feng, temperature, earthquake, traffic load or site operation etc. cause, its parameter measurement is commented for the safety of target
Estimating analysis has important effect.
Traditional large structure such as bridge, the instrument of its deformation detection have dial gauge, amesdial, accelerometer, spirit level,
Theodolite etc..At present, these instruments are still widely used in bridge acceptance, periodic detection, however it is necessary that professional and technical personnel,
Time-consuming, laborious, human error is big, far can not realize online, real-time, automatic, intelligent measure.In recent years, information technology is fluffy
The exhibition of breaking out has driven the development of bridge deformation e measurement technology significantly, has emerged in large numbers many new technology and methods, such as laser amount of deflection
Method and GPS (Global Position System) positioning measurement method.Laser flexometer can realize the displacement measurement of submillimeter, but
It is that range is only capable of reaching several tens cm, it is impossible to meet the larger measurement for bridge large deformation of span, its vertical displacement is reachable
Meter level；Gps position measurement method can realize the large deformation of real-time online measuring bridge, but its precision intelligently reaches Centimeter Level, and
High cost, limits its popularization and application.
Since latter stage seventies solid state image sensor occurs, there are many scholars both at home and abroad with image sensings such as CCD
Device is medium, and image processing techniques is used for the research of bridge, beams of concrete deformation measurement.Application No. 200820241096.0
Chinese patent " a kind of bridge moving displacement measuring device based on machine vision " disclose and a kind of combined by lasing light emitter and CCD
Measure bridge dynamic deformation measurement apparatus, by bridge distal end with CCD record bridge deformation during laser beam position
Change is put, the deformation parameter of bridge is calculated.The subject matter of this kind of displacement transducer presence is at present：Ccd image is sensed
Device needs to be used in combination with alignment laser, increased the complexity of system.
A kind of Chinese patent " bridge real-time measurement system " of Application No. 201410145554.0 discloses a kind of bridge
, be held away from power-up target in the fixed target of bridge in use by the remote measuring unit of dynamic displacement, and is needed in bridge
The place for measuring displacement is provided with CCD cameras so that target is imaged in the photosensitive units of CCD, by the real-time target figure for obtaining
As the position on CCD, the dynamic displacement on bridge tested point is calculated.The problem that this scheme is present is：When measurement is
System is used in tunnel, in grotto etc. during occasion, because CCD cameras and measurement target drone can produce position with the influence of extraneous load
Move and deformation, and because the position that the two is installed is different, the displacement of measurement target drone and CCD cameras that extraneous load causes is not
Together, cause measurement result to occur in that larger error, have impact on certainty of measurement.
Utility model content
The utility model proposes a kind of self-calibration measurement apparatus for large structure vertical displacement or deformation and
Method, for large scale structure composition deformation or the self-calibration measurement apparatus and method of displacement parameter, in the base of traditional measurement target
A benchmark parallel target and a hydrostatic level are increased on plinth, and the benchmark parallel target fixes the sedimentation probe of hydrostatic level
On, the displacement absolute value of accurate benchmark parallel target is obtained by hydrostatic level, so as to the positional value to measurement target drone is modified
Calibration, finally obtains the precise displacement value of measurement point.
Technology contents of the present utility model are as follows：
For the vertical displacement of large structure body and the measurement apparatus of ground settlement, including several measuring unit sums
According to processing center, each measuring unit includes imaging system, hydrostatic level, benchmark parallel target, the measurement target drone no less than
With the laser range finder no less than, described hydrostatic level is settled including the benchmark that fluid-through tube is connected pops one's head in and some
Only measurement settles probe, and described measurement sedimentation probe is fixed on side wall or the top of large structure with measurement target drone, described
Benchmark parallel target (14) be disposed therein certain and only measure on sedimentation probe, and benchmark parallel target and measurement target drone are in the quick of imaging system
Feel unit diverse location on be imaged, described laser range finder be arranged on measurement target drone where large structure correspondence position
Place, and be perpendicularly oriented at ground target to be measured；Data processing centre obtains hydrostatic level, laser range finder and imaging system
Measurement result after, and after carrying out calibration correction to the result of measurement target drone, be calculated large structure side wall, the position at top
Move and ground settlement parameter.
In the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, large structure is tunnel
Road, grotto, house, basement or bridge.
In the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, the benchmark of hydrostatic level
Sedimentation probe is arranged on the displacement of large structure outside or inside or deforms insignificant stability region.
In the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, benchmark parallel target and measurement target
It is designated as the power-up target of specific pattern or continuous work.
In the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, power-up target is to line up one
LED the or LD light bar of setting shape.
In the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, corresponding to laser range finder
Measurement target drone be fixed on the casing of laser range finder.
Hydrostatic level and imaging system pass through wireless GPRS system, mobile radio network transport module or optical cable transmission system
System is transmitted measurement result in the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, distal end
Data processing centre.
In the above-mentioned measurement apparatus for the vertical displacement of large structure body and ground settlement, imaging system includes optics
Camera lens, imageing sensor, core control function unit, treatment memory cell and remote communication unit；Described imageing sensor
It is CCD or cmos sensor, described core control function unit includes trigger signal detection module, image data acquiring mould
Block, image gray processing and Zoom module and target image feature lift and identification module, for the treatment and identification of target image；
Described treatment memory cell is connected with core control function unit, for the storage and treatment of view data；Described is long-range
Communication unit couples with treatment memory cell, for the long-range transmission of view data.
For the vertical displacement of large structure body and the measuring method of ground settlement, comprise the following steps：
[1] install：Measurement target drone, benchmark parallel target, hydrostatic level, laser range finder are installed on large structure, its
The measurement sedimentation probe and measurement target drone of middle hydrostatic level are fixed on side wall or the top of large structure, and measurement target drone is installed
To be measured position, benchmark parallel target is arranged on corresponding measurement sedimentation probe；Laser range finder is arranged on measurement target drone institute
Large structure corresponding position, and be perpendicularly oriented at ground target to be measured.
[2] measure：Open imaging system so that benchmark parallel target and measurement target drone are in the different positions of the sensitivity unit of imaging system
Imaging is put, hydrostatic level is opened, the height value of the measurement sedimentation probe where measuring basis target；Open laser ranging
Instrument, to the distance between laser range finder and ground target；
[3] calibrate：Data processing is carried out to imaging system, the shift value of benchmark parallel target and measurement target drone is obtained；To static(al)
Spirit level carries out data processing, is calculated the shift value of measurement sedimentation probe；And according to the shift value pair of measurement sedimentation probe
The shift value of measurement target drone is modified calibration, deducts the measurement error that imaging system is brought by itself installation foundation displacement, obtains
Obtain the real displacement value of measurement point where measurement target drone；And according to the distance change value that laser range finder measurement is obtained, calculate
To the settlement parameter on ground.
In the above-mentioned measuring method for the vertical displacement of large structure body and ground settlement, the calibration in step [3]
Step includes：
[3.1] the change in location value according to measurement target drone, and combine the distance between measurement target drone and imaging system, imaging
The optical parametric of system, is calculated the shift value x1 of measurement target drone；
[3.2] the change in location value according to benchmark parallel target, and combine the distance between benchmark parallel target and imaging system, imaging
The optical parametric of system, is calculated the shift value x0 of benchmark parallel target；
[3.3] according to benchmark sedimentation probe in hydrostatic level and the liquid level of measurement sedimentation probe, it is calculated survey
The shift value y0 of amount sedimentation probe；
[3.4] laser range finder measurement obtains the change in displacement value m between laser range finder and ground；
[3.5] the displacement x 11=x1+y0-x0 of the measurement point where calibrated rear measurement target drone；
[3.6] ground settlement parameter n=x11-m.
The Advantageous Effects that the utility model has are as follows：
1st, the utility model increased on the basis of the displacement measuring device that existing CCD cameras and measurement target drone are constituted
Benchmark parallel target, laser range finder and hydrostatic level, benchmark parallel target is arranged on a measurement sedimentation probe of hydrostatic level
On, and measurement target drone is provided with every laser range finder, the absolute position of measurement sedimentation probe is given by hydrostatic level
Shifting value, as the absolute displacement values of benchmark parallel target.In installation and debugging so that benchmark parallel target and measurement target drone are imaged on CCD simultaneously
On camera, and in data handling, shift value according to benchmark parallel target corrects the shift value of other measurement points, while using swashing
The distance between measurement target drone that optar measurement is obtained and earth's surface change, it is possible to obtain the relative displacement of ground settlement,
The measurement target drone data matched with laser range finder are combined, and have obtained the absolute displacement values of ground settlement.The method overcomes
The displacement that measuring system is produced by the imaging system reason such as be subject to load or itself installation foundation to deform, ultimately results in system
Measurement error, improve certainty of measurement.
2nd, the benchmark sedimentation probe and some measurements that hydrostatic level of the present utility model is connected including fluid-through tube are heavy
Drop probe, measurement sedimentation probe and measurement target drone are fixed on side wall or the top of large structure, and benchmark parallel target is disposed therein
Certain is only measured on sedimentation probe, and benchmark sedimentation probe is arranged on large structure external displacement or deforms insignificant region, leads to
The relation crossed between benchmark sedimentation probe and measurement sedimentation probe, is calculated the precise displacement of measurement sedimentation probe, if while
Dry measurement sedimentation probe is distributed in multiple measurement points in measured tunnel, is engaged with several imaging systems, target, realizes
The distributed self-correcting locating tab assembly of the large structure parameters such as tunnel.
3rd, ground settlement parameter of the present utility model is obtained by multiple link composite measurements；Benchmark parallel target is set first
Certain in hydrostatic level is only measured on sedimentation probe, and the benchmark parallel target can be obtained by the data processing of hydrostatic level
Absolute displacement；Secondly measurement target drone and benchmark parallel target are imaged simultaneously in the sensitivity unit of imaging system, can be calculated measurement target
Relative displacement between mark and benchmark parallel target, therefore can obtain the absolute displacement of measurement target drone；Then due to measurement target drone is arranged on
On the shell of laser range finder, then the displacement of the measurement target drone is the absolute displacement of laser range finder itself；Last Laser Measuring
Displacement between earth's surface that distance meter measurement is obtained and laser range finder, with reference to the absolute displacement of laser range finder itself, just obtains
The absolute value of ground settlement parameter.This scheme realizes the undisturbed measurement of ground settlement parameter, large-scale for tunnel etc.
For works, the current of interior vehicle is not influenceed, with application value higher.
4th, core control function unit of the present utility model uses embedded system, compact conformation reliability, convenient application；Together
When be provided with telecommunication transmission unit, the result that can be measured is by the wireless transmitting system such as gprs system, 3G wireless networks
Or the line transmission system such as optical cable, transmit to the night shift room of distal end, meeting long-range unattended round-the-clock field work will
Ask.
5th, target of the present utility model uses LED the or LD light bar of power-up as target, it is possible to achieve 24 hours round-the-clock
Work, and with characteristic target extract the convenient and degree of accuracy it is high the characteristics of, certainty of measurement is also accordingly improved.
Brief description of the drawings
Fig. 1 is the utility model self-calibration measurement apparatus measuring unit in tunnel survey application principle schematic diagram；
Fig. 2 is that measurement apparatus measure schematic layout pattern in tunnel certain；
Fig. 3 is principle schematic of the hydrostatic level under initial static state；
Fig. 4 is principle schematic of the hydrostatic level under displacement measurement state；
Target and measurement target drone the image space schematic diagram on CCD pixels on the basis of Fig. 5；
Fig. 6 is the utility model imaging system theory of constitution schematic diagram；
Reference is as follows：1-optical lens；2-imageing sensor；3-trigger control unit；4-telecommunication list
Unit；5-core control function unit；6-treatment memory cell；11-large structure；12-imaging system；13-measurement target
Mark；14-benchmark parallel target；15-pole；16-measurement target drone image；17-benchmark parallel target image；18-display screen；
20 --- data processing centre；21-benchmark sedimentation probe；22-measurement sedimentation probe；23-fluid-through tube；24-deformation measurement
Region；25-stability region；26-laser range finder；27-ground；28-laser range finder outgoing reflection laser.
Specific embodiment
The displacement or deformation that measuring system of the present utility model is mainly used in the key positions such as large structure top, waist are surveyed
Amount, while measured to its ground settlement, wherein large structure including tunnel, grotto, house, basement and bridge etc.,
Below by taking tunnel as an example.
As depicted in figs. 1 and 2, for large structure vertical displacement and the measurement apparatus of ground settlement, including it is arranged on
The data processing centre 20 of distal end and several measuring units, wherein each measuring unit include imaging system 12, benchmark parallel target
14th, hydrostatic level, the measurement target drone 13 no less than, hydrostatic level include that the benchmark being connected by fluid-through tube 23 is settled
Probe 21 and some measurement sedimentation probes 22.Data processing centre 20 is arranged on measurement distal end, and imaging system 12 is arranged on big
The suitable position of type works, measurement sedimentation probe 22 and measurement target drone 13 are fixed on side wall or the top of large structure 11,
Benchmark parallel target 14 is disposed therein certain and only measures on sedimentation probe 22, and benchmark parallel target 14 and measurement target drone 13 are in imaging system 12
Sensitivity unit diverse location on be imaged.
In order to realize that ground settlement is measured, each unit also includes the laser range finder 26 no less than, laser ranging
Instrument 26 is arranged on the corresponding position of the large structure at the place of measurement target drone 13, and is perpendicularly oriented at ground target to be measured,
Can measure and obtain the distance between laser exit and reflection ground 27, wherein 28 is laser range finder outgoing and swashing for reflecting
Light, laser range finder is exactly to reflex to the light of target by measurement to be calculated the distance between laser exit and target.
Measurement target drone 13 can be fixed on the shell of laser range finder 26 in force, can so be come by the displacement of measurement target drone 13
Obtain the displacement shake of laser range finder 26 itself.It should be noted that may be comprising several measurements in a measuring unit
Target 13, but laser range finder 26, then according to the demand of ground survey, quantity can be less than the quantity of measurement target drone.
After data processing centre obtains the measurement result of hydrostatic level, laser range finder and imaging system, according to sedimentation
The measurement result of probe, benchmark parallel target and measurement target drone, is calculated displacement or the deformation parameter of measurement point, further according to measurement target
The result of mark and laser range finder, is calculated ground settlement parameter.
Because imaging system is fixed on large structure in application is measured, itself produces displacement and change also with basis
Shape, causes the inaccurate of measurement result, in order to correct the error that imaging system itself is brought, the basic target that the utility model is introduced
Mark, and benchmark parallel target is fixed on one of hydrostatic level sedimentation probe, and outcome measurement by hydrostatic level obtains
To the displacement parameter of benchmark parallel target, so only need to measure the relative displacement obtained between benchmark parallel target and measurement target drone, you can
To obtain the exact shift of measurement point, so as to itself calibrating to imaging system.In addition by laser range finder and measurement target
Mark is combined, and itself displacement of measurement target drone is obtained by benchmark parallel target above, is obtained in conjunction with laser range finder measurement
The distance between measurement target drone and earth's surface change, it is possible to obtain the settlement parameter of earth's surface.
The operation principle of hydrostatic level gives 1#, 2#, 3# and 4# probe, wherein 1# as shown in Figure 3 and Figure 4, in figure
Probe as benchmark sedimentation probe 21, be arranged on large structure be arranged on the displacement of large structure outside or inside or deformation can
The stability region 25 ignored, and 2#, 3# and 4# probe are then arranged on the top in tunnel, waist etc. and need as measurement sedimentation probe 14
The region to be measured, benchmark parallel target 22 is fixed with measurement sedimentation probe therein.Imaging system 12 is by the base during measurement
Other measurement target drones in quasi- target and the region are imaged together, relative between measurement target drone and benchmark parallel target so as to be calculated
Displacement.
Hydrostatic level under initial static state, put down by the fluid level of the every measuring probe connected by fluid-through tube in Fig. 3
Together, i.e. H10=H20=H30=H40, when hydrostatic level is in the displacement measurement state shown in Fig. 4,1# probes are in steady
Region is determined, as datum level；And 2#, 3#, 4# are in measured zone, liquid is occurred in that as the upper-lower position of measurement point rises and falls
Face rises or falls.
According to the measuring principle of hydrostatic level, there are △ h1=H1-H10, △ h2=H2-H20, △ h3=H3-H30, △
H4=H4-H40 ... △ hi=Hi-Hi0.Wherein result of calculation：△ hi be on the occasion of represent the measuring point Liquid storage container in liquid level
Raise, △ hi represent the liquid level reduction in the measuring point Liquid storage container for negative value.Point, then other each surveys on the basis of elected location survey point 1
Point relative datum point vertical displacement (settling amount) be：△ H2=△ h1- △ h2, △ H3=△ h1- △ h3, △ H4=△ h1-
△ h4 ... △ Hi=△ h1- △ hi.Wherein result of calculation：△ Hi are that the measuring point ground is raised on the occasion of expression, and △ Hi are negative value
Represent the measuring point settlement of foundation.If it is known that the horizontal range L between two measuring points, then the change of relative tilt is also finally between two measuring points
.It follows that poor by measuring the liquid level between sedimentation probe and benchmark sedimentation probe, you can obtain material sedimentation probe
Shift value, and then also obtain be arranged on the material sedimentation probe on benchmark parallel target shift value.
The imaging of measurement target drone 13 and benchmark parallel target 14 in the photosensitive units of CCD is as shown in figure 5,16,17 respectively survey in figure
Amount target image and benchmark parallel target image, 18 is display screen.It is zero or displacement very little because benchmark parallel target 14 is in displacement
Near bridge pier, therefore its displacement is negligible, and measurement target drone 13 and imaging system 12 are in bridge middle part displacement and deformation most
Big region, when load-carrying vehicle sails bridge into, can cause that the image of measurement target drone 13 produces the displacement x 1 of above-below direction, form
As the background displacement that system CCD itself is produced is exactly the displacement x O of benchmark parallel target 14, it is deducted, can obtain accurately survey
Amount point shift value.
As shown in Figure 6, imaging system includes that optical lens 1, imageing sensor 2, core control function unit 5, treatment are deposited
Storage unit 6 and remote communication unit 4；Imageing sensor 2 is CCD or cmos sensor, and core control function unit 5 includes triggering
Signal detection module, image data acquiring module, image gray processing and Zoom module and target image feature lift and recognize mould
Block, for the treatment and identification of target image；Treatment memory cell 6 is connected with core control function unit 5, for view data
Storage and treatment；Remote communication unit 4 couples with treatment memory cell 6, for the long-range transmission of view data.
Optical lens 1 aims at the target set in measured target, the camera lens of optional varifocal in the application, by difference away from
On, different size of target imaging to imageing sensor, this working method has good adaptability to measurement target, and
With measurement range it is big the characteristics of, wherein imageing sensor 2 be CCD or cmos sensor, in real time obtain measured target
Image.
Target of the present utility model can be a specific pattern or the continuous power-up target for working on destination object.This
Device is less demanding to target, if using power-up LED or LD light bar as target, can realize 24 hours it is round-the-clock
The characteristics of working, and extract convenient high with the degree of accuracy with characteristic target, certainty of measurement is also accordingly improved.
The trigger signal that trigger control unit 3 is used for needed for providing remote displacement sensor, sensor does not work usually, only
Have when extraneous trigger signal arrives, displacement transducer is just started working, and reduces the pressure of data storage and data transfer.Far
Journey communication unit 4 couples with treatment memory cell 6, for the long-range transmission of view data.
Remote communication unit 4 can have for mobile radio network transport modules or optical cable etc. such as wireless GPRS system, 3G, 4G
Line Transmission system, transmits measurement result to the data processing centre 20 of distal end, meets long-range unattended round-the-clock open country
Outer job requirement.
The utility model is used for large structure vertical displacement or the specific measuring process of deformation parameter is as follows：
[1] install：Measurement target drone, benchmark parallel target, hydrostatic level, laser range finder are installed on large structure, its
The measurement sedimentation probe and measurement target drone of middle hydrostatic level are fixed on side wall or the top of large structure, and measurement target drone is installed
To be measured position, benchmark parallel target is arranged on corresponding measurement sedimentation probe；Laser range finder is arranged on measurement target drone institute
Large structure corresponding position, and be perpendicularly oriented at ground target to be measured.
[2] measure：Open imaging system so that benchmark parallel target and measurement target drone are in the different positions of the sensitivity unit of imaging system
Imaging is put, hydrostatic level is opened, the height value of the measurement sedimentation probe where measuring basis target；Open laser ranging
Instrument, to the distance between laser range finder and ground target；
[3] calibrate：Data processing is carried out to imaging system, the shift value of benchmark parallel target and measurement target drone is obtained；To static(al)
Spirit level carries out data processing, is calculated the shift value of measurement sedimentation probe；And according to the shift value pair of measurement sedimentation probe
The shift value of measurement target drone is modified calibration, deducts the measurement error that imaging system is brought by itself installation foundation displacement, obtains
Obtain the real displacement value of measurement point where measurement target drone；And according to the distance change value that laser range finder measurement is obtained, calculate
To the settlement parameter on ground.
In the above-mentioned measuring method for the vertical displacement of large structure body and ground settlement, the calibration in step [3]
Step includes：
[3.1] the change in location value according to measurement target drone, and combine the distance between measurement target drone and imaging system, imaging
The optical parametric of system, is calculated the shift value x1 of measurement target drone；
[3.2] the change in location value according to benchmark parallel target, and combine the distance between benchmark parallel target and imaging system, imaging
The optical parametric of system, is calculated the shift value x0 of benchmark parallel target；
[3.3] according to benchmark sedimentation probe in hydrostatic level and the liquid level of measurement sedimentation probe, it is calculated survey
The shift value y0 of amount sedimentation probe；
[3.4] laser range finder measurement obtains the change in displacement value m between laser range finder and ground；
[3.5] the displacement x 11=x1+y0-x0 of the measurement point where calibrated rear measurement target drone；
[3.6] ground settlement parameter n=x11-m.
Its Computing Principle is as follows：
Assuming that shakiness synchronizing moving displacement z in imaging system gene basis in measurement process, because benchmark parallel target is provided in
On measurement sedimentation probe, then y0=x0+z (1) is indicated for basic target
For measurement target drone, its real shift value x11=x1+z (2)
Formula (1) and (2) simultaneous are calculated x11=x1+y0-x0；It is on the occasion of downward is negative that fetch bit is shifted in calculating
Value.
The measuring process of ground settlement is as follows：
[2.1] data processing centre obtains the change in displacement between the ground that obtains of laser range finder measurement and laser exit
Value m, wherein m are obtained after being subtracted each other the distance of actual measurement and initial range；
[2.2] position of the measurement point where the measurement target drone according to corresponding to preceding step [3.5] obtains laser range finder
Move x11；
[2.3] then ground settlement parameter n=x11-m.
The utility model is applied in bridge displacement detection, and the range of current measurable displacement is 10m grades, measurement
Precision reaches 0.1mm grades, and temporal resolution is 100ms.This scheme also achieves the undisturbed measurement of ground settlement parameter, for
For the large structures such as tunnel, the current of interior vehicle is not influenceed, with application value higher.
Claims (8)
1. the measurement apparatus of the vertical displacement of large structure body and ground settlement are used for, it is characterised in that：Including several surveys
Amount unit and data processing centre (20), each measuring unit include imaging system (12), hydrostatic level, benchmark parallel target
(14) measurement target drone (13), no less than and the laser range finder (26) no less than, described hydrostatic level bag
Include benchmark sedimentation probe (21) and some measurements sedimentation probe (22) that fluid-through tube is connected, described measurement sedimentation probe
(22) and measurement target drone (13) is fixed on side wall or the top of large structure (11), described benchmark parallel target (14) is arranged on it
In certain only measure in sedimentation probe (22), and benchmark parallel target (14) and measurement target drone (13) are in the sensitive first of imaging system (12)
On diverse location be imaged, described laser range finder (26) be arranged on measurement target drone (13) where large structure corresponding position
Place is put, and is perpendicularly oriented at ground target to be measured；Data processing centre (20) obtains hydrostatic level, laser range finder (26)
After the measurement result of imaging system (12), and after carrying out calibration correction to the result of measurement target drone, large scale structure is calculated
Thing side wall, the displacement at top and ground settlement parameter.
2. according to claim 1 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Described large structure (11) is tunnel, grotto, house, basement or bridge.
3. according to claim 1 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Benchmark sedimentation probe (21) of the hydrostatic level is arranged on the displacement of large structure outside or inside or deformation can
The stability region ignored.
4. according to claim 1 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Described benchmark parallel target (14) and measurement target drone (13) is pattern or the power-up target of continuous work.
5. according to claim 4 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Described power-up target is LED the or LD light bar for lining up definite shape.
6. according to claim 1 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Measurement target drone (13) corresponding to described laser range finder (26) is fixed on the casing of laser range finder (26).
7. according to claim 1 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Described hydrostatic level and imaging system pass through wireless GPRS system, mobile radio network transport module or optical cable
Transmission system transmits measurement result to the data processing centre (20) of distal end.
8. according to claim 1 for the vertical displacement of large structure body and the measurement apparatus of ground settlement, it is special
Levy and be：Described imaging system includes that optical lens (1), imageing sensor (2), core control function unit (5), treatment are deposited
Storage unit (6) and remote communication unit (4)；Described imageing sensor (2) is CCD or cmos sensor, described core control
Functional unit (5) processed includes trigger signal detection module, image data acquiring module, image gray processing and Zoom module and target
Characteristics of image lifts and identification module, for the treatment and identification of target image；Described treatment memory cell (6) and core control
Functional unit (5) processed is connected, for the storage and treatment of view data；Described remote communication unit (4) is single with treatment storage
First (6) connection, for the long-range transmission of view data.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225682A (en) * | 2016-08-03 | 2016-12-14 | 西安敏文测控科技有限公司 | For large structure body vertical displacement and the measurement apparatus of ground settlement and method |
| CN107525478A (en) * | 2017-09-27 | 2017-12-29 | 中南大学 | A kind of displacement deformation observation device and method based on CMOS photosensitive imaging sensors |
| CN108398091A (en) * | 2018-02-06 | 2018-08-14 | 山东理工大学 | The accurate vision measuring method of blade tip three-D displacement amount |
| CN110567431A (en) * | 2019-10-09 | 2019-12-13 | 北京市市政四建设工程有限责任公司 | Underwater soil body settlement monitoring system and method |
| CN112985287A (en) * | 2021-03-23 | 2021-06-18 | 路港集团有限公司 | Bridge construction deformation monitoring devices |
| CN113375633A (en) * | 2021-06-15 | 2021-09-10 | 山东高速工程建设集团有限公司 | Tunnel full-longitudinal ground surface settlement monitoring system and method based on static level gauge |
| CN113865489A (en) * | 2021-09-28 | 2021-12-31 | 吉林大学 | Laser-based high formwork erecting rod displacement monitoring device and early warning method |
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2016
- 2016-08-03 CN CN201620834706.2U patent/CN206223097U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225682A (en) * | 2016-08-03 | 2016-12-14 | 西安敏文测控科技有限公司 | For large structure body vertical displacement and the measurement apparatus of ground settlement and method |
| CN107525478A (en) * | 2017-09-27 | 2017-12-29 | 中南大学 | A kind of displacement deformation observation device and method based on CMOS photosensitive imaging sensors |
| CN108398091A (en) * | 2018-02-06 | 2018-08-14 | 山东理工大学 | The accurate vision measuring method of blade tip three-D displacement amount |
| CN110567431A (en) * | 2019-10-09 | 2019-12-13 | 北京市市政四建设工程有限责任公司 | Underwater soil body settlement monitoring system and method |
| CN112985287A (en) * | 2021-03-23 | 2021-06-18 | 路港集团有限公司 | Bridge construction deformation monitoring devices |
| CN113375633A (en) * | 2021-06-15 | 2021-09-10 | 山东高速工程建设集团有限公司 | Tunnel full-longitudinal ground surface settlement monitoring system and method based on static level gauge |
| CN113375633B (en) * | 2021-06-15 | 2023-01-17 | 山东高速工程建设集团有限公司 | Tunnel full-longitudinal ground surface settlement monitoring system and method based on static level gauge |
| CN113865489A (en) * | 2021-09-28 | 2021-12-31 | 吉林大学 | Laser-based high formwork erecting rod displacement monitoring device and early warning method |
| CN113865489B (en) * | 2021-09-28 | 2024-03-12 | 吉林大学 | High formwork upright rod displacement monitoring device and early warning method based on laser |
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