CN109115176A - A kind of three-dimensional laser scanning system of movable type - Google Patents

A kind of three-dimensional laser scanning system of movable type Download PDF

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Publication number
CN109115176A
CN109115176A CN201811034112.3A CN201811034112A CN109115176A CN 109115176 A CN109115176 A CN 109115176A CN 201811034112 A CN201811034112 A CN 201811034112A CN 109115176 A CN109115176 A CN 109115176A
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China
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data
goaf
laser scanning
scanning system
zeb
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CN201811034112.3A
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CN109115176B (en
Inventor
赵路
台磊
贾茜
周玲燕
魏立龙
陈保艳
李铁英
王炜易
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SHANGHAI SHUANGWEI NAVIGATION TECHNOLOGY CO.,LTD.
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Shanghai Huace Navigation Technology Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C7/00Tracing profiles
    • G01C7/06Tracing profiles of cavities, e.g. tunnels

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The present invention provides a kind of three-dimensional laser scanning system of movable type, including data acquisition unit, the data acquisition unit, in conjunction with absolute coordinate control point, plans walking path, avoids multiple scanning according to area's actual conditions are surveyed;Tunnel is scanned, high quality point cloud data is obtained;GeoSLAM ZEB-REVO RT hand-held SLAM moves laser scanning system, the mobile laser scanning system of the GeoSLAM ZEB-REVO RT hand-held SLAM is for carrying out roadway scanning, common Android device, apple equipment, WIN equipment can connect the WIFI that ZEB REVO is emitted, and it controls, finally obtain data, the present invention is a kind of completely new measuring technique, it breaches traditional single-point measurement method, with high efficiency, high-precision unique advantage, three-dimensional laser scanning technique is capable of providing the three dimensional point cloud of scanning body surface, therefore it can be used for obtaining the mathematical model of high-accuracy high-resolution.

Description

A kind of three-dimensional laser scanning system of movable type
Technical field
The present invention relates to underground mining field, in particular to a kind of three-dimensional laser scanning system of movable type.
Background technique
Goaf is " cavity " by artificially excavating or natural geological movement generates below earth's surface, the presence in goaf So that the safety in production in mine faces very big safety problem, personnel and mechanical equipment, which may all be fallen into inside goaf, is hurt Evil.
Underground mining forms a large amount of goaf security risks, and common survey method has been unable to meet mine and manages to goaf The demand of reason and Control of Hidden.As mine is to deep mining, ground pressure increases, and underground vacant areas is depressed on powerful ground, is easy hair It is very big especially to turn opencut influence to underground for raw cave-in accident;Underground mining remains a large amount of stope, chamber, lane Road is not handled in time, brings serious hidden danger to strip mining transformation, while coming sternly to mine staff and equipment belt The threat of weight;The spatial position in accurate prospecting goaf, form, deformation observation, the data of the 3 D stereos such as volume, science subject Goaf Area is managed, it is effective to improve safety in production.
Since Goaf Area has, latent property is strong, regular poor, the goaf top plate caving collapse feelings of spatial distribution characteristic Condition it is difficult to predict the features such as, therefore, how to the distribution of Goaf Area, spatial shape feature and the inbreak shape in goaf Condition etc. carries out quantization judge, is always that puzzlement engineers and technicians carry out the evaluation of goaf potential risk and rationally determine mined out The key technology difficulty of area's punishment countermeasure.
Traditional mapping investigation way carries out single-point type and inspects the measurement of formula by random samples, it is easy to lose critical data letter Breath, novel exploratory techniques means will solve these critical technical problems, be the safety in production in goaf, safety evaluatio Reliability and resolution reasonability provide science foundation.
Summary of the invention
In order to solve above-mentioned insufficient defect, the present invention provides a kind of three-dimensional laser scanning system of movable type, this hairs Bright is a kind of completely new measuring technique, it breaches traditional single-point measurement method, has high efficiency, high-precision uniqueness excellent Gesture, three-dimensional laser scanning technique are capable of providing the three dimensional point cloud of scanning body surface, therefore can be used for obtaining high-precision High-resolution mathematical model.
The present invention provides a kind of three-dimensional laser scanning system of movable type, including data acquisition unit, the data are adopted Collect unit according to area's actual conditions are surveyed, in conjunction with absolute coordinate control point, plans walking path, avoid multiple scanning;To tunnel into Row scanning, obtains high quality point cloud data;GeoSLAM ZEB-REVORT hand-held SLAM moves laser scanning system, described The mobile laser scanning system of GeoSLAM ZEB-REVO RT hand-held SLAM is for carrying out roadway scanning, common Android device, apple Fruit equipment, WIN equipment can connect the WIFI that ZEB REVO is emitted, and control, and finally obtain data;Data Management Analysis mould Block, acquisition unit acquires the number in goaf to the Data Management Analysis module by way of forward movement based on the data According to, it will form 360 ° of spherical scanning region immediately ahead of equipment, thus the completely data in acquisition goaf, then to above-mentioned Goaf data handled.
The three-dimensional laser scanning system of above-mentioned a kind of movable type, wherein further include goaf data application module, be used for Volume calculating in goaf can be used for producing examination, goaf backfill, and data can be introduced directly into mine special-purpose software, adopt for calculating Dead zone volume.
The three-dimensional laser scanning system of above-mentioned a kind of movable type, wherein further include goaf safety monitoring and evaluation mould Block analyzes the deformation in goaf for comparing by the goaf data of more phases, can position the position of Dangerous Rock Body, volume, The departments such as mine safety, geology, production can be assisted to judge, carry out the generation that safe disposition effectively avoids geological disaster.
A kind of three-dimensional laser scanning system of above-mentioned movable type, wherein it further include mining design and operation management module, True three-dimensional goaf data for being obtained by laser scanning.
The three-dimensional laser scanning system of above-mentioned a kind of movable type, wherein further include Digital Mine module, mine can be obtained Terrain data outside mountain.
The invention has the following advantages: the 1, present invention is a kind of completely new measuring technique, it breaches traditional list Point measurement method, has high efficiency, high-precision unique advantage, and three-dimensional laser scanning technique is capable of providing scanning body surface Three dimensional point cloud, therefore can be used for obtaining the mathematical model of high-accuracy high-resolution.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer Shape and advantage will become more apparent upon.Identical label indicates identical part in all the attached drawings.Not deliberately proportionally Draw attached drawing, it is preferred that emphasis is show the gist of the present invention.
Fig. 1 is a kind of module map of the three-dimensional laser scanning system of movable type provided by the invention.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to Illustrate technical solution of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this Invention can also have other embodiments.
Shown in referring to Fig.1, the present invention provides a kind of three-dimensional laser scanning system of movable type, including data acquisition are single Member, the data acquisition unit, in conjunction with absolute coordinate control point, plan walking path, avoid repeating according to area's actual conditions are surveyed Scanning;Tunnel is scanned, high quality point cloud data is obtained;GeoSLAM ZEB-REVO RT hand-held SLAM moves laser Scanning system, the mobile laser scanning system of the GeoSLAM ZEB-REVO RT hand-held SLAM are general for carrying out roadway scanning Logical Android device, apple equipment, WIN equipment can connect the WIFI that ZEB REVO is emitted, and control, and finally obtain data; Data Management Analysis module, the Data Management Analysis module based on the data adopted by way of forward movement by acquisition unit Collect the data in goaf, will form 360 ° of spherical scanning region immediately ahead of equipment, to completely obtain the number in goaf According to then handling above-mentioned goaf data.
Further include goaf data application module in a preferred but unrestricted embodiment of the invention, is used for goaf Volume calculating can be used for producing examination, and goaf backfill, data can be introduced directly into mine special-purpose software, for calculating goaf body Product.
In a preferred but unrestricted embodiment of the invention, further includes goaf safety monitoring and evaluation module, be used for It is compared by the goaf data of more phases, analyzes the deformation in goaf, the position of Dangerous Rock Body can be positioned, volume can assist The departments such as mine safety, geology, production judge, and carry out the generation that safe disposition effectively avoids geological disaster.
Further include mining design and operation management module in an of the invention preferred but unrestricted embodiment, be used for according to The true three-dimensional goaf data obtained by laser scanning.
In a preferred but unrestricted embodiment of the invention, further includes Digital Mine module, can obtain outside mine Terrain data.
In the present invention, three-dimensional laser scanning technique is otherwise known as outdoor scene reproduction technology, is a kind of completely new measuring technique, It breaches traditional single-point measurement method, has high efficiency, high-precision unique advantage, and three-dimensional laser scanning technique can mention For scanning the three dimensional point cloud of body surface, therefore it can be used for obtaining the mathematical model of high-accuracy high-resolution.
In the present invention, SLAM three-dimensional laser scanning system, maximum purposes are can to carry out the measurement of real-time movable type, The data acquisition for quickly carrying out goaf, mainly relies on SLAM algorithm.SLAM three-dimensional laser scanning system be by: laser is swept Retouch instrument (Laser Scanner), Inertial Measurement Unit (Inertial measurement unit, abbreviation IMU) and SLAM algorithm (simultaneous localization and mapping) three main element compositions.
In the present invention, SLAM algorithm is most important in this three big main element, and the quality of SLAM algorithm determines to understand The precision of the motion track of calculating, the precision of motion track determine the precision of spatial scene three-dimensional data.SLAM is calculated Method adds the attitude data that IMU is obtained according to characteristic point common on time shaft in the obtained three-dimensional data of laser range finder, into The row real-time resolving equipment distance mobile from starting point, angle information, the continuous spatial scene data of reverse building.It is i.e. passive Formula calculates continuous spatial data according to the data of Current ambient scene in real time.
In the present invention, by the experiment of a large amount of project and technological innovation, it is mobile sharp that China's survey is recommended to use hand-held SLAM Photo-scanning system, GeoSLAM ZEB-REVO RT, the equipment have following characteristics: equipment is applicable to various environment, especially Complicated and closed space is not necessarily to GNSS.Flexible interface and modes of emplacement hold ZEB-REVO, are mounted on nobody On machine, robot, or it is mounted on bar to probe into hole.Weight only has 1kg, hand-held to scan multilayer space, and is based on The degree of protection of highest IP64, equipment can be subjected to the test of harsh environment;ZEB-REVO has built-in WIFI module, smart phone Or plate connects equipment WIFI, and control interface, real-time display scanning element cloud can be entered by webpage, real-time display scans rail Mark, data can be directly downloaded by WIFI, simple and quick.As long as a few minutes train, anyone can operate ZEB- REVO, measuring point rate are up to 43000 points/second, quickly generate 3D BIM model.The efficiency that ten times of traditional approach is obtained and is modeled multiple Miscellaneous environmental data allows you to succeed finished item in the shortest time, without interruption.Than traditional measurement mode or static scanning The faster speed of instrument, greatlys save your time of measuring.ZEB-REVO is also the strong supplement of your existing scanning hardware, mutually In conjunction with keeping operation more efficient.
In the present invention, it according to area's actual conditions are surveyed, in conjunction with absolute coordinate control point, plans walking path, avoids repeating Scanning;Tunnel is scanned, high quality point cloud data is obtained.
Roadway scanning is carried out using the mobile laser scanning system of GeoSLAM ZEB-REVO RT hand-held SLAM, it is common to pacify Tall and erect equipment, apple equipment, WIN equipment can connect the WIFI that ZEB REVO is emitted, and control, and finally obtain data.Pass through The mode of forward movement acquires the data in goaf, will form 360 ° of spherical scanning region immediately ahead of equipment, thus completely Acquisition goaf data.
Referring to shown in table 1, compared with traditional examination mode, laser scanning has various advantages
Table 1
The present invention utilize three-dimensional laser measuring technique, can be stope volume calculate, appraise and decide mining amount and be goaf backfill Data are provided to support.Through actual verification, examination demand can be fully met.Personnel are difficult to enter or relatively hazardous region, it can be real It now safely and fast checks and accepts at a distance, data are accurately reliable.
In the present invention, it can be compared by the goaf data of more phases, analyze the deformation in goaf, can quickly determine The position of position Dangerous Rock Body, volume can assist the departments such as mine safety, geology, production to judge, it is effective to carry out safe disposition The generation of geological disaster is avoided, to realize goaf safety monitoring and evaluation.
In the present invention, the true three-dimensional goaf data obtained by laser scanning, avoid two-dimentional drawing or mould The wrong place of description of the quasi- mined out section model for true goaf is served as by true three-dimensional mined out section model Mining design backfills, and monitors, and management waits integrated work, to realize mining design and operation management.
In the present invention, with the attention that safety index is continuously improved in country and goaf investigation is administered, single well Lower information system is no longer satisfied the needs of informatization, and the virtual mine established currently with traditional surveying and mapping technology Model can not completely reflect the original appearance in true mine, the demand that automation mining is not achieved, intelligently digs up mine.China survey nobody Machine laser radar system can obtain the terrain data outside mine, and SLAM laser radar system obtains the data inside mine, and two Person combines, and true Digital Mine system is made, to realize Digital Mine.
In the present invention, with mining, mine dead zone safety problem is outstanding day by day.It, can be to life if dealt with improperly The many aspects such as operation, backfill improvement, security control are produced to have an impact,
Novel laser measuring technique, safe and efficient, accurate acquisition dead zone data, three-dimensional configuration, and can measure required Distance and calculate sectional area, volume etc., so as to status and administer and make analysis and judgement, ensure that the safety in mine is raw It produces, scientific and effective analysis, manages dead zone.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field It applies;Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc. Embodiment is imitated, this is not affected the essence of the present invention.Therefore, anything that does not depart from the technical scheme of the invention, foundation Technical spirit of the invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within the present invention In the range of technical solution protection.

Claims (5)

1. a kind of three-dimensional laser scanning system of movable type, which is characterized in that including data acquisition unit, the data acquisition is single Member, in conjunction with absolute coordinate control point, plans walking path, avoids multiple scanning according to area's actual conditions are surveyed;Tunnel is swept It retouches, obtains high quality point cloud data;GeoSLAM ZEB-REVO RT hand-held SLAM moves laser scanning system, described The mobile laser scanning system of GeoSLAM ZEB-REVO RT hand-held SLAM is for carrying out roadway scanning, common Android device, apple Fruit equipment, WIN equipment can connect the WIFI that ZEB REVO is emitted, and control, and finally obtain data;Data Management Analysis mould Block, acquisition unit acquires the number in goaf to the Data Management Analysis module by way of forward movement based on the data According to, it will form 360 ° of spherical scanning region immediately ahead of equipment, thus the completely data in acquisition goaf, then to above-mentioned Goaf data handled.
2. a kind of three-dimensional laser scanning system of movable type as described in claim 1, which is characterized in that further include goaf number According to application module, it can be used for producing examination for the calculating of goaf volume, goaf backfill, it is dedicated that data can be introduced directly into mine Software, for calculating goaf volume.
3. a kind of three-dimensional laser scanning system of movable type as described in claim 1, which is characterized in that further include goaf peace Full monitoring and evaluation module analyze the deformation in goaf, can position crag for being compared by the goaf data of more phases The position of body, volume can assist the departments such as mine safety, geology, production to judge, and carry out safe disposition and effectively avoid ground The generation of matter disaster.
4. a kind of three-dimensional laser scanning system of movable type as described in claim 1, which is characterized in that further include mining design With operation management module, the true three-dimensional goaf data obtained for dependence laser scanning.
5. a kind of three-dimensional laser scanning system of movable type as described in claim 1, which is characterized in that further include digitlization mine Mountain module can obtain the terrain data outside mine.
CN201811034112.3A 2018-09-05 2018-09-05 Movable three-dimensional laser scanning system Active CN109115176B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375712A (en) * 2019-07-12 2019-10-25 中南大学 Drift section extracting method, device, equipment and storage medium
CN113607051A (en) * 2021-07-24 2021-11-05 全图通位置网络有限公司 Acquisition method, system and storage medium for digital data of non-exposed space
CN114155245A (en) * 2022-02-10 2022-03-08 中煤科工开采研究院有限公司 Surrounding rock deformation monitoring method and device based on three-dimensional point cloud under coal mine
CN115199336A (en) * 2022-07-15 2022-10-18 中钢集团马鞍山矿山研究总院股份有限公司 Mine goaf form real-time monitoring system and modeling method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080289449A1 (en) * 2007-05-25 2008-11-27 China Steel Corporation Method for measuring an outline of a stratum of a reactant and a path of charging the reactant in a blast furnace
CN103336312A (en) * 2012-12-26 2013-10-02 北京矿冶研究总院 Portable goaf three-dimensional laser scanning measuring device
CN203702258U (en) * 2014-02-14 2014-07-09 西安煤航卫星数据应用有限公司 Data collection system for mine tunnel three-dimensional modeling
CN104532818A (en) * 2014-12-02 2015-04-22 辽宁工程技术大学 Treatment method for strip mine goaf
CN105115442A (en) * 2015-07-28 2015-12-02 中国神华能源股份有限公司 Tunnel internal surface form detecting method, apparatus and system
CN105547255A (en) * 2016-02-29 2016-05-04 北京矿冶研究总院 Method for automatically acquiring three-dimensional space form under mine coordinate system by scanner
WO2016157428A1 (en) * 2015-03-31 2016-10-06 パイオニア株式会社 Measurement device, measurement method, and program
CN107990876A (en) * 2017-11-20 2018-05-04 北京科技大学 The quick scanning means in underground mine goaf and method based on unmanned vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080289449A1 (en) * 2007-05-25 2008-11-27 China Steel Corporation Method for measuring an outline of a stratum of a reactant and a path of charging the reactant in a blast furnace
CN103336312A (en) * 2012-12-26 2013-10-02 北京矿冶研究总院 Portable goaf three-dimensional laser scanning measuring device
CN203702258U (en) * 2014-02-14 2014-07-09 西安煤航卫星数据应用有限公司 Data collection system for mine tunnel three-dimensional modeling
CN104532818A (en) * 2014-12-02 2015-04-22 辽宁工程技术大学 Treatment method for strip mine goaf
WO2016157428A1 (en) * 2015-03-31 2016-10-06 パイオニア株式会社 Measurement device, measurement method, and program
CN105115442A (en) * 2015-07-28 2015-12-02 中国神华能源股份有限公司 Tunnel internal surface form detecting method, apparatus and system
CN105547255A (en) * 2016-02-29 2016-05-04 北京矿冶研究总院 Method for automatically acquiring three-dimensional space form under mine coordinate system by scanner
CN107990876A (en) * 2017-11-20 2018-05-04 北京科技大学 The quick scanning means in underground mine goaf and method based on unmanned vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375712A (en) * 2019-07-12 2019-10-25 中南大学 Drift section extracting method, device, equipment and storage medium
CN113607051A (en) * 2021-07-24 2021-11-05 全图通位置网络有限公司 Acquisition method, system and storage medium for digital data of non-exposed space
CN113607051B (en) * 2021-07-24 2023-12-12 全图通位置网络有限公司 Acquisition method, system and storage medium of non-exposure space digital data
CN114155245A (en) * 2022-02-10 2022-03-08 中煤科工开采研究院有限公司 Surrounding rock deformation monitoring method and device based on three-dimensional point cloud under coal mine
CN115199336A (en) * 2022-07-15 2022-10-18 中钢集团马鞍山矿山研究总院股份有限公司 Mine goaf form real-time monitoring system and modeling method
CN115199336B (en) * 2022-07-15 2023-06-06 中钢集团马鞍山矿山研究总院股份有限公司 Real-time monitoring system and modeling method for mine goaf morphology

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