CN201740777U - Rapid measurement system for measuring slope soil erosion - Google Patents

Rapid measurement system for measuring slope soil erosion Download PDF

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Publication number
CN201740777U
CN201740777U CN2010201536757U CN201020153675U CN201740777U CN 201740777 U CN201740777 U CN 201740777U CN 2010201536757 U CN2010201536757 U CN 2010201536757U CN 201020153675 U CN201020153675 U CN 201020153675U CN 201740777 U CN201740777 U CN 201740777U
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CN
China
Prior art keywords
laser scanner
soil erosion
data
dimensional
slope
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CN2010201536757U
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Chinese (zh)
Inventor
张平仓
丁文峰
刘继根
唐文坚
周若
王一峰
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长江水利委员会长江科学院
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Priority to CN2010201536757U priority Critical patent/CN201740777U/en
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Publication of CN201740777U publication Critical patent/CN201740777U/en

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Abstract

The utility model discloses a rapid measurement system for measuring slope soil erosion, which comprises a slope runoff plot, a movable hydraulic automatic lifting slope erosion tank, an artificial rainfall simulator, a three-dimensional laser scanner and a tripod with a rotary table. The three-dimensional laser scanner is arranged on the rotary table of the tripod and comprises a laser scanner host, a special notebook computer, a data processing module, a three-dimensional modeling module, a data conversion module and a power supply box, wherein the rotary scanning angle of the laser scanner host can reach 360 degrees multiplied by 270 degrees, the scanning accuracy thereof reaches plus or minus 2mm, and the scanning speed thereof can reach 2000 points per second. The utility model can obtain more data, achieves high efficiency, greatly reduces the test cycle and realize high-speed data processing and high-precision analysis, can rapidly measure data of three-dimensional models of soil erosion and factor characteristics, and can also realize the high-precision, real-time and dynamic monitoring of soil erosion.

Description

Slope soil erosion fast measuring system
Technical field
The utility model relates to the observation and the processing technology field of the slope soil erosion process experiment that is used for the soil erosion fundamental research, particularly relates to a kind of slope soil erosion fast measuring system.
Background technology
Soil erosion is one of most important ecological environment problem facing of China, and the dynamic monitoring of water and soil conservation fundamental research and erosion zone must be carried out a large amount of indoor and field condition scientific experiment observation.Domatic is the elementary cell that corrode to take place, and also is the element in basin simultaneously.The experiment of slope soil erosion and observation are the basis and the very important contents of water and soil conservation, utilize the three-dimensional laser scanner Technology of Precision Measurement for this reason, a kind of mensuration system of quick on-site soil erosion process is provided, it can be from the spatial variations rule of the angle research soil loss amount of soil erosion form change procedure, for soil erosion study provides a kind of quick, accurate, reliable experimental technique recording geometry, greatly improve the scientific and technological content of soil erosion laboratory facilities.
Traditional soil erosion measuring method have manual landform chaining pin plate method, erosion groove measure method and rare earth element (REE) tracer technique and topographical surveying method.In slope-trench system solid model test, landform chaining pin plate method and erosion groove measure the space distribution that the method measured soil corrodes, be manually with measurer directly to the measuring object contact type measurement, these two kinds of method measurement ranges are little, the cycle long, the some certificate is few, be easy to generate personal error, influence the fiduciary level of test findings.The REE tracer technique is then because factor such as complicacy, the operating process of the restriction of tracer element kind, spike preparation of soil sample process be loaded down with trivial details, only limits at present among a small circle, small scale research, also is not widely used.And terrain factor that field soil corrode to measure used 1: 1 ten thousand or 1: 5 ten thousand topomap obtains and truth great difference is arranged actually still is a unknown number.In sum, the soil erosion method of measurementing and testing equipment ubiquity measurement data is few, the achievement low precision, test the shortcoming that wastes time and energy in the existing various indoor and open-air soil erosions test.
The utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, a kind of slope soil erosion fast measuring system is provided, make it have that the data of obtaining are many, efficient is high, the test period significantly reduces, data processing speed is fast, analysis precision is higher, the rapid three-dimensional modeling data of measured soil erosion environment and factor characteristic, realize high precision, in real time, the characteristics of the erosion process of dynamic monitoring soil.
A kind of slope soil erosion fast measuring system that the utility model provides, it comprises the slope runoff sub-district, movable type hydraulic automatic lifting the erosion caused by sloping surfaces groove and artificially-simulated rainfall device, it also comprises the tripod of three-dimensional laser scanner and band universal stage, described three-dimensional laser scanner is arranged on the universal stage of tripod, and three-dimensional laser scanner comprises that the rotation sweep angle reaches 360 ° * 270 °, scanning accuracy reaches ± 2mm, sweep velocity reaches the laser scanner main frame of 2000 point/seconds, dedicated notebook computer, data processing module, the three-dimensional modeling module, data conversion module and power pack.
In technique scheme, the laser scanner main frame in the described three-dimensional laser scanner is by connecting power pack for described universal stage rotation provides the power cable line of electric power input.
In technique scheme, the cloud data that the laser scanner main frame in the described three-dimensional laser scanner obtains by transmission scanning and the data cable line of visualization of presence image are connected with dedicated notebook computer.
In technique scheme, connecting link and base that it also is provided with sign board and is used to connect sign board.
In technique scheme, described laser scanner main frame is provided with two scanning windows.
Compare with existing each method and apparatus in the above-mentioned background technology, the utility model has tangible difference and advantage, be mainly reflected in: the not direct contact test object of instrument, obtain that data are many, efficient is high, the test period significantly reduces, data processing speed is fast, analysis precision is higher, and domatic each position of the clear reproduction of energy is corroded, sedimentation state.Utilization scope of the present utility model is wide, can be used to carry out the research of multiple erosional forms (rill erosion, mass erosion etc.), multiple dimensioned (domatic, runoff plots, small watershed etc.) soil erosion, automaticity height, speed are fast, can round-the-clockly carry out, data collection cycle shortens greatly, the data of obtaining with it can be used with softwares such as CAD, ARCGIS, carry out three-dimensional modeling, the actual conditions of true reappearance research object.The utility model is based on the erosion process of three-dimensional laser scanning technique observation soil, simple to operate, be easy to grasp, utilize Technology of Precision Measurement to the micro-variations that is etched soil morphology and process carry out high precision, in real time, dynamic observe, can really accomplish quantification to morphological analysis, the rapid three-dimensional modeling data of measured soil erosion environment and factor characteristic, realize high precision, in real time, the erosion process of dynamic monitoring soil.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is the structured flowchart of three-dimensional laser scanner.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Referring to shown in Figure 1, a kind of slope soil erosion fast measuring system that the utility model provides, it comprises the slope runoff sub-district, movable type hydraulic automatic lifting the erosion caused by sloping surfaces groove, artificially-simulated rainfall device, three-dimensional laser scanner, the tripod of band universal stage, the power cable line, data cable line and all kinds of sign board, be used to connect the connecting link of label, base etc., three-dimensional laser scanner is arranged on the universal stage of tripod, referring to shown in Figure 2, three-dimensional laser scanner comprises that the rotation sweep angle reaches 360 ° * 270 °, scanning accuracy reaches ± 2mm, sweep velocity reaches the laser scanner main frame of 2000 point/seconds, dedicated notebook computer, cyclone-Scan scanning software module, power pack; Cyclone-Scan software comprises Model module, Register module, CloudWorx module (being used for data processing, three-dimensional modeling, data-switching, i.e. data processing module, three-dimensional modeling module, data conversion module).Laser scanner main frame in the three-dimensional laser scanner is by providing the power cable line of electric power input to connect power pack for the rotation of described universal stage, and the cloud data that the laser scanner main frame in the three-dimensional laser scanner obtains by transmission scanning and the data cable line of visualization of presence image are connected with dedicated notebook computer.Connecting link and base that it also is provided with sign board and is used to connect sign board.The laser scanner main frame is provided with two scanning windows.
Principle of work of the present utility model is as follows:
Three-dimensional laser scanner adopts contactless high-rate laser metering system, calculate the distance of corresponding measured point and scanner according to mistiming of Laser emission and reception, again according to level to vertical to stepping angle apart from value, can calculate the three-dimensional coordinate of measured point in real time, and with its input storage device records and storage, thereby the geometry data of the landform of obtaining or complex object and image data.By the poster processing soft cloud data and the image data of gathering carried out treatment conversion then, set up locus coordinate or model in the absolute coordinate system, and can be output as multiple different forms such as ASCASC II point data, BMP, DXF, PTX, PTS, MSH, TXT, COE, AutoCAD, MicroStation, PDS, AutoPlant, satisfy the data source and the needs of different applications of spatial information database.
The main flow process that adopts the domatic terrain data of territorial laser scanning system acquisition to generate DEM comprises: select to lay website and target, obtain cloud data, splicing pooled data, filtering eliminate noise, generate DEM.Adopt Cyclone software that domatic cloud data is further handled, generate digital elevation model TIN DEM, obtain domatic DEM after initial domatic and each time rainfall based on TIN.Obtaining before and after the rainfall behind each domatic DEM, can (X, Y) change in location on the Z direction calculates corresponding site soil erosion volume according to certain position under the same coordinate system.The three-dimensional point data of loosing of domatic landform imported to carry out analyzing and processing among the ARCGIS, obtain full the erosion caused by sloping surfaces depth profile feature, obtain maximum depth of erosion, average depth of erosion, and can draw out complete domatic depth of erosion distribution plan.By enforcement to above-mentioned steps, can draw domatic form, volume change before and after rainfall, again by twice volume differences,, just can obtain domatic soil loss amount before and after rainfall in conjunction with the domatic soil weight data of measuring before the experiment.Carry out the slope factor analysis at the DEM that respectively the difference cloud is generated under the condition at interval under the GIS environment, draw slope map.
The utility model can be displaced into various indoor and field test places easily, use easy to operate, observing and controlling precision height, has powerful thin portion information obtaining ability, the cloud data that scanning is obtained has the high density characteristic, can provide the three-dimensional visualization image with scan-synchronized, can directly obtain the accurate physical dimension of object according to cloud data, realize deformation monitorings such as landform variation, utilize three dimensional point cloud to generate level line, transversal section and the section of some cloud are drawn accurate X-Y scheme, the data favorable compatibility, has the precision height, speed is fast, the efficient height, can corrode at the domatic variant position of clear reproduction, advantages such as sedimentary information, applied range.Adopt three-dimensional laser scanning system can obtain high-precision landform cloud data fast, after abating the noise, can generate high-precision DEM through data splicing conversion and filtering, be particularly suitable for zone and the DEM making higher to accuracy requirement among a small circle, this research for the soil erosion scale problem provides a kind of new thinking and technological means.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
The content that is not described in detail in this instructions belongs to this area professional and technical personnel's known prior art.

Claims (5)

1. slope soil erosion fast measuring system, it comprises the slope runoff sub-district, movable type hydraulic automatic lifting the erosion caused by sloping surfaces groove and artificially-simulated rainfall device, it is characterized in that: it also comprises the tripod of three-dimensional laser scanner and band universal stage, described three-dimensional laser scanner is arranged on the universal stage of tripod, and three-dimensional laser scanner comprises that the rotation sweep angle reaches 360 ° * 270 °, scanning accuracy reaches ± 2mm, sweep velocity reaches the laser scanner main frame of 2000 point/seconds, dedicated notebook computer, data processing module, the three-dimensional modeling module, data conversion module and power pack.
2. slope soil erosion fast measuring as claimed in claim 1 system is characterized in that: the laser scanner main frame in the described three-dimensional laser scanner is by connecting power pack for described universal stage rotation provides the power cable line of electric power input.
3. slope soil erosion fast measuring as claimed in claim 1 system is characterized in that: the cloud data that the laser scanner main frame in the described three-dimensional laser scanner obtains by transmission scanning and the data cable line of visualization of presence image are connected with dedicated notebook computer.
4. slope soil erosion fast measuring as claimed in claim 1 system is characterized in that: connecting link and base that it also is provided with sign board and is used to connect sign board.
5. slope soil erosion fast measuring as claimed in claim 1 system is characterized in that: described laser scanner main frame is provided with two scanning windows.
CN2010201536757U 2010-04-06 2010-04-06 Rapid measurement system for measuring slope soil erosion CN201740777U (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102419248A (en) * 2011-08-19 2012-04-18 北京林业大学 Device and method for measuring soil wind erosion rate
CN102590475A (en) * 2012-02-08 2012-07-18 黄河水利委员会黄河水利科学研究院 Fine simulation test device and fine simulation test method for slope water erosion
CN102590474A (en) * 2012-02-08 2012-07-18 黄河水利委员会黄河水利科学研究院 Fine water erosion simulation test device for slope channel system, and test method for fine water erosion simulation test device
CN102955018A (en) * 2012-10-26 2013-03-06 北京师范大学 Portable eco-hydrological experiment and monitoring system
CN103063731A (en) * 2012-12-20 2013-04-24 中国科学院地理科学与资源研究所 Method for tracing agricultural surface source phosphorus loss with rare earth elements utilized
CN103743887A (en) * 2014-01-20 2014-04-23 北京林业大学 Portable field measurement device for slope runoff erosion
CN104280528A (en) * 2013-07-01 2015-01-14 中国农业科学院农业资源与农业区划研究所 Earth surface runoff simulation system
CN104569349A (en) * 2015-01-20 2015-04-29 东北大学 Analysis testing device for simulating influences of rainfall and moisture content on side slope stability
CN105842426A (en) * 2016-06-06 2016-08-10 中国科学院地球化学研究所 Method for calculating soil erosion or deposit volume in karst region by stone forest
CN107015293A (en) * 2017-02-21 2017-08-04 中国水利水电科学研究院 A kind of Regional Rainfall uniformity measuring system and method
CN108180897A (en) * 2018-01-06 2018-06-19 中国科学院、水利部成都山地灾害与环境研究所 Sloping upland soil water reservoir capacity rate Method of fast estimating
CN108332719A (en) * 2018-01-06 2018-07-27 中国科学院、水利部成都山地灾害与环境研究所 Sloping upland soil cultivation erosion rate Method of fast estimating
CN110375668A (en) * 2019-07-08 2019-10-25 西北农林科技大学 Loess Surface mima type microrelief Surface Reconstruction based on point cloud data
US10871455B2 (en) * 2016-05-04 2020-12-22 E M & I (Maritime) Limited Inspection method

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102419248A (en) * 2011-08-19 2012-04-18 北京林业大学 Device and method for measuring soil wind erosion rate
CN102590475A (en) * 2012-02-08 2012-07-18 黄河水利委员会黄河水利科学研究院 Fine simulation test device and fine simulation test method for slope water erosion
CN102590474A (en) * 2012-02-08 2012-07-18 黄河水利委员会黄河水利科学研究院 Fine water erosion simulation test device for slope channel system, and test method for fine water erosion simulation test device
CN102590475B (en) * 2012-02-08 2013-10-16 黄河水利委员会黄河水利科学研究院 Fine simulation test device and fine simulation test method for slope water erosion
CN102955018A (en) * 2012-10-26 2013-03-06 北京师范大学 Portable eco-hydrological experiment and monitoring system
CN103063731A (en) * 2012-12-20 2013-04-24 中国科学院地理科学与资源研究所 Method for tracing agricultural surface source phosphorus loss with rare earth elements utilized
CN103063731B (en) * 2012-12-20 2015-07-22 中国科学院地理科学与资源研究所 Method for tracing agricultural surface source phosphorus loss with rare earth elements utilized
CN104280528A (en) * 2013-07-01 2015-01-14 中国农业科学院农业资源与农业区划研究所 Earth surface runoff simulation system
CN103743887A (en) * 2014-01-20 2014-04-23 北京林业大学 Portable field measurement device for slope runoff erosion
CN103743887B (en) * 2014-01-20 2015-07-15 北京林业大学 Portable field measurement device for slope runoff erosion
CN104569349A (en) * 2015-01-20 2015-04-29 东北大学 Analysis testing device for simulating influences of rainfall and moisture content on side slope stability
US10871455B2 (en) * 2016-05-04 2020-12-22 E M & I (Maritime) Limited Inspection method
CN105842426A (en) * 2016-06-06 2016-08-10 中国科学院地球化学研究所 Method for calculating soil erosion or deposit volume in karst region by stone forest
CN107015293A (en) * 2017-02-21 2017-08-04 中国水利水电科学研究院 A kind of Regional Rainfall uniformity measuring system and method
CN107015293B (en) * 2017-02-21 2019-08-23 中国水利水电科学研究院 A kind of Regional Rainfall uniformity measuring system and method
CN108180897A (en) * 2018-01-06 2018-06-19 中国科学院、水利部成都山地灾害与环境研究所 Sloping upland soil water reservoir capacity rate Method of fast estimating
CN108332719A (en) * 2018-01-06 2018-07-27 中国科学院、水利部成都山地灾害与环境研究所 Sloping upland soil cultivation erosion rate Method of fast estimating
CN110375668A (en) * 2019-07-08 2019-10-25 西北农林科技大学 Loess Surface mima type microrelief Surface Reconstruction based on point cloud data

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Granted publication date: 20110209

Termination date: 20110406