CN106707299A - GNSS geological exploration automatic positioning and timing system - Google Patents

GNSS geological exploration automatic positioning and timing system Download PDF

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Publication number
CN106707299A
CN106707299A CN201510311710.0A CN201510311710A CN106707299A CN 106707299 A CN106707299 A CN 106707299A CN 201510311710 A CN201510311710 A CN 201510311710A CN 106707299 A CN106707299 A CN 106707299A
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China
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data
gnss
information
time
system
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CN201510311710.0A
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Chinese (zh)
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CN106707299B (en
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柯福阳
陶忍
姚佩超
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南京科博空间信息科技有限公司
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Abstract

The invention relates to a GNSS geological exploration automatic positioning and timing system. RTK information positioning technology and network communication technology based on GNSS and CORS integration is used, based on a distributed data processing technology and method, real-time positioning and the storage of monitoring point data information can be achieved. A data acquisition system and a data processing system are integrated in one body, and the information collection, transmission, storage and processing and analysis are integrated. The system has the ability of realizing real-time timing and the automatic positioning of a feature point under various geological conditions, and the efficiency of geological exploration data acquisition is greatly improved.

Description

GNSS geological prospectings are automatically positioned and time dissemination system

Technical field

The present invention relates to be automatically positioned and time dissemination system, more particularly to a kind of GNSS geological prospectings are automatically positioned and time dissemination system.

Background technology

With the continuous improvement of geological exploration techniques, geological prospecting activity constantly aggravates, and its exploration context also constantly expands, and often refers to some areas desolate and uninhabited, with a varied topography;Route is long during geological prospecting, need the point position of collection numerous, and external environment is complicated, and the collection to location data causes very big obstruction, and this is also one of bottleneck of the development of restriction geological prospecting for a long time.Traditional geological prospecting position data collecting is by setting up base station, manual observation collection is carried out using total powerstation and GPS, method is single, means are backward, efficiency is low, the level of informatization is low, cause the waste of manpower and materials, it is impossible to accuracy, reliability and the real-time of data is effectively ensured.If can there are a set of GNSS geological prospectings to be automatically positioned and time dissemination system, can Real-time Collection characteristic point information, and in real time send characteristic point data information, set up database and be managed, have very important meaning to the development of geological prospecting.

With Technique of Satellite Navigation and Positioning, Internet technologies, mobile technology development, the GNSS geological prospectings based on advanced technologies such as satellite navigation positioning are automatically positioned and are possibly realized with time dissemination system.

The content of the invention

Technical problem to be solved of the invention be provide one kind can Real-time Collection characteristic point information, and send characteristic point data information in real time, set up the GNSS geological prospectings that database is managed and be automatically positioned and time dissemination system.

The advantage of the invention is that:

(1) it is being automatically positioned and Service of Timing and network communications technology based on GNSS CORS integrations, based on distributed data acquisition technology and processing method, can Real-time Collection characteristic point information, and in real time send positioning feature point information, set up database and be managed;Stability, real-time and the security of network communication are improved, the ageing of data is considerably increased.

(2) it is suitable for studying coordinate system, model conversion and the refining similar geoid model in area, the coordinate data of interpolated point is calculated using the method for multistage interpolation, and highest can set sampling interval 10HZ, repeatedly measurement is averaged, and improves the certainty of measurement of GNSSCORS technologies;

(3) adding the data transfer mode of wireless network, transmission range using radio station can reach more than 30km, meet field geology exploration distance condition.

Brief description of the drawings

Fig. 1 arranges schematic diagram for GNSS geological prospectings are automatically positioned with time dissemination system;

Fig. 2 is automatically positioned and time dissemination system GNSS base station subsystem schematic diagrames for GNSS geological prospectings;

Fig. 3 continuously runs mobile station subsystem schematic diagram for GNSS geological prospectings are automatically positioned with time dissemination system GNSS;

Fig. 4 is automatically positioned and time dissemination system system operation structure chart for GNSS geological prospectings;

Fig. 5 is automatically positioned and time dissemination system data processing centre subsystem software module diagram for GNSS geological prospectings;

Fig. 6 is automatically positioned and time dissemination system data processing centre subsystem software interpolation method schematic diagram for GNSS geological prospectings;

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawings and detailed description.

As shown in Figure 1, schematic diagram is arranged with time dissemination system for GNSS geological prospectings are automatically positioned, GNSS geological prospectings of the present invention are automatically positioned includes GNSS base stations subsystem, real-time mobile station subsystem, data processing centre's subsystem, network communication subsystem with time dissemination system.

Wherein the construction of GNSS base stations subsystem is in the place for meeting observing environment, slope top high is such as laid in using the base station form of broad view, surrounding have no occluder, GNSS base stations subsystem includes the special integrated receivers of CORS, feeder line, lightning rod, feeder-line lightning-protection device, power arrester, forced centering apparatus, tripod, radio station, radio antenna.It is erected at the special integrated receiver feeder line connection radio interfaces of CORS of tripod top forced centering apparatus, feeder-line lightning-protection device connection lightning rod and power arrester.The special integrated receivers of CORS are the special integrated receiver of GNSS base stations of independent development, and using Tian Bao dual-band chip, Stability and dependability is higher;Designed using cone type, with shatter-resistant, shockproof, waterproof function.Base station real-time tracking, collection, transmission, storage GNSS satellite data, and result is transferred to data processing centre's system of movement station internal trailer by radio station, for real-time mobile station subsystem inverse network RTK provides differential data, while also for real-time mobile station subsystem data analysis provides basis of reference.

As shown in Figure 2, it is the scheme of installation of GNSS base station subsystems, the GNSS base stations subsystem characteristic constantly mobile in order to meet geological prospecting, pedestal is designed as removable tripod combined type, GNSS geological prospectings are automatically positioned before being run with time dissemination system, first tripod is set in appropriate site restocking, assembling forced centering plate and radio station, base plate central point upper band rotation screw thread or the bayonet socket of forced centering apparatus, GNSS integrated receivers can directly be rotated on screw thread and maintain static, and strict centering leveling, surveying marker board is pasted near base station, special messenger is sent to nurse if necessary.Within radio station transmission 10km, radio antenna need to set up 5-6m highly;10km-30km is transmitted in radio station, and radio antenna need to set up 15m or so height.

GNSS continuously runs the special integrated receivers of CORS of the movement station comprising independent development, receives radio station, power supply adaptor, bridge, lightning rod, feeder-line lightning-protection device, power arrester, IP Camera, instrument and equipment case and pertinent instruments support.The special integrated receiver netting twines of CORS for being erected at crawler belt collecting vehicle cradle top are connected on the network interface of bridge, feeder-line lightning-protection device connection lightning rod and power arrester;IP Camera is connected directly between the rear top of trailer, and LAN is directly accessed with netting twine, and complete monitoring is carried out to whole monitoring trailer unit;Receive radio station and receive the differential data that benchmark station radio sends, by Serial Port Transmission to data processing centre.The special integrated receiver in GNSS monitoring stations of independent development, using Tian Bao single-frequency chip, Stability and dependability is higher;Designed using cone type, with shatter-resistant, shockproof, waterproof function.Continuous movement station station in real time is evenly distributed in head and the tail and the middle part of crawler belt collecting vehicle, real-time tracking, positioning, transmission, storage GNSS satellite data, real-time reception is automatically positioned the differential data that the GNSS base stations subsystem forwarded with time dissemination system is provided by GNSS geological prospectings, realize network RTK, and the data that receiver is observed uploaded into GNSS geological prospectings by wireless netting twine being automatically positioned and time dissemination system.

As shown in Figure 3, for GNSS geological prospectings are automatically positioned mobile station subsystem scheme of installation is continuously run with time dissemination system GNSS, the device is formed for support is connected on receiver mounting plane, receiver setting height(from bottom) is not less than 0.5m, 1m is usually no more than, receiver mounting plane size is 1.0m × 0.5m, and receiver cradling piece keeps vertical erection in receiver mounting plane, and it is the bridge of 385 × 195 × 75mm to install a size thereunder, then receiver and bridge are connected with netting twine.Receiver cradling piece top tape rotates screw thread, and GNSS receiver can directly be rotated on screw thread and maintain static;Bottom is diameter 100mm, the disk of thickness 5mm, with 120 ° of distributions, three screw holes in disc face, for fixed reception machine support.100 crawler belt collecting vehicles in tow behind each trailer, whole path has a 48V power supplys connected from internal trailer, and each movement station need to be only installed additional by power supply adaptor as receiver is powered.Each data are all an examples of specific implementation above, and those of ordinary skill in the art are well understood to, and according to actually used situation, can be easily adjusted data.

As shown in Figure 4, data processing centre's subsystem, mainly by server, display, router, fire wall, software etc. is constituted, it is connected by radio signals feeder line between GNSS base station subsystems, that is the difference information of base station observation reaches radio station by feeder line, radio station is transmitted to the reception radio station of data processing centre by radio antenna, the differential data that reception radio station will receive passes through serial ports incoming data processing center, data processing centre is transmitted to real-time mobile station subsystem with wireless routing again, data processing centre's subsystem is connected with real-time mobile station subsystem by wireless WIFI network mode.Data processing centre's subsystem can manage GNSS base stations subsystem and real-time mobile station subsystem, and data processing, analysis, result output etc. are carried out to the data obtained.

As shown in figure 5, GNSS geological prospectings of the present invention be automatically positioned it is as follows with the main modular and workflow of time dissemination system data processing centre subsystem software:

1. system user management module:It is main to consider data safety, login system user identity is identified;

2. engineering management module:Introduction mainly is made to monitoring point and monitoring location information;

3. data processing module;Mainly the data for collecting are processed, is stored and historical query;

Described interpolation method assumes that function is linear function, and passing ratio relational expression obtains the Mathematical Modeling of interpolated coordinates.As shown in Figure 6, movement station A, B are located at crawler belt collecting vehicle top, average mark is furnished with n interpolated point 1,2,3.... between them, the movement station A coordinates of collection are (Xa, Ya), the movement station B coordinates of collection are (Xb, Yb), then the coordinate of interpolation station C is Xc=Xb+ (Xa-Xb)/2, Yc=Yb+ (Yb-Ya)/2 in the middle of two movement stations, if interpolation station C is located at movement station 1/3, then the coordinate of interpolation station C be Xc=Xb+ (Xa-Xb)/3, Yc=Yb+ (Yb-Ya)/3, by that analogy.

4. map display module:The display of hommization is carried out on map to coordinate.

5. communication module:Complete data processing centre and GNSS base stations subsystem, GNSS continuously run telecommunication management between movement station;

Base station serial communication module, realize the real-time connection between data processing centre's subsystem and GNSS base station subsystems, the original observed data and difference information of GNSS base station subsystems are received, and is sorted data into compression in real time and is stored to GNSS geological prospectings and be automatically positioned and time dissemination system informix database;

Based on NTRIP agreement movement station network communication modules, realize data processing centre's subsystem and GNSS continuously run movement station between real-time connection, and the difference information received from GNSS base stations subsystem is transmitted to GNSS continuously runs movement station, GNSS is continuously run movement station and realize that RTK is positioned, and the result being located is transmitted to GNSS geological prospectings with the data form of NMEA and is automatically positioned and time dissemination system informix database.

Claims (5)

1. the GNSS geological prospectings based on GNSS CORS integrations are automatically positioned and time dissemination system, it is characterized in that it includes GNSSCORS information acquisition units, screen collecting unit, data cell, transmission unit.
2. GNSS CORS information acquisition units described in are worldwide navigation positioning system GNSS or CORS system CORS, the worldwide navigation positioning system GNSS use GPS or GPS-RTK.The information of transfer point is gathered by the measuring unit and is stored in database.The information of collection also includes UTC time, and UTC is the Coordinated Universal Time(UTC), also known as the world's same time.The information such as gpgsa, the gpgsv gathered by RTK, system can automatically extract UTC time therein, and the operation to whole system provides time service service.
3. screen collecting unit described in is IP Camera, with netting twine access to LAN network, screen data acquisition is carried out to collection site, and screen data are stored in data module, these information can be carried out with data management and checked.
4. data module described in includes Monitoring Data module and screen data module.It is stored in data module by measurement module gathered data, data management and data analysis can be carried out to these information;A position data can also be carried out with Coordinate Conversion simultaneously, the 54, conversion between 80,2000 and coordinate system is supported.
5. transmission unit described in includes sending data and request data to server, and the information that will be gathered by multiple network (optical fiber, GPRS, 3G, WIFI, radio station) constantly sends server-centric to, constantly analysis and preservation.
CN201510311710.0A 2015-08-08 2015-08-08 GNSS geological prospecting automatic positioning and time dissemination system CN106707299B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107728183A (en) * 2017-09-29 2018-02-23 深圳市勘察研究院有限公司 One kind prospecting field positioning measurment system

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JP2002122447A (en) * 2001-07-12 2002-04-26 Hakusan Kogyo Kk Device and method for simultaneously recording sensor signal with gps time
CN101995585A (en) * 2010-08-31 2011-03-30 成都林海电子有限责任公司 System for real-time monitoring safety of large-sized building based on satellite communication
CN102141635A (en) * 2010-12-21 2011-08-03 中国船舶重工集团公司第七研究院 Method for preventing and telemetering geological disaster applying ultralow frequency radio signal
CN102981475A (en) * 2012-11-26 2013-03-20 东南大学 Mobile workstation device for newly-added construction land dynamic supervision and implementation method for mobile workstation device
CN103115602A (en) * 2013-01-07 2013-05-22 安徽理工大学 Mining subsidence monitoring information mobile acquisition terminal system and acquisition method thereof
CN204069178U (en) * 2014-04-09 2014-12-31 华南农业大学 A high-precision positioning video monitoring obtaining apparatus based on a CORS system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002122447A (en) * 2001-07-12 2002-04-26 Hakusan Kogyo Kk Device and method for simultaneously recording sensor signal with gps time
CN101995585A (en) * 2010-08-31 2011-03-30 成都林海电子有限责任公司 System for real-time monitoring safety of large-sized building based on satellite communication
CN102141635A (en) * 2010-12-21 2011-08-03 中国船舶重工集团公司第七研究院 Method for preventing and telemetering geological disaster applying ultralow frequency radio signal
CN102981475A (en) * 2012-11-26 2013-03-20 东南大学 Mobile workstation device for newly-added construction land dynamic supervision and implementation method for mobile workstation device
CN103115602A (en) * 2013-01-07 2013-05-22 安徽理工大学 Mining subsidence monitoring information mobile acquisition terminal system and acquisition method thereof
CN204069178U (en) * 2014-04-09 2014-12-31 华南农业大学 A high-precision positioning video monitoring obtaining apparatus based on a CORS system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107728183A (en) * 2017-09-29 2018-02-23 深圳市勘察研究院有限公司 One kind prospecting field positioning measurment system

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Denomination of invention: GNSS geological exploration automatic positioning and timing system

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