CN101158993A - Civil construction engineering GPS-RTK measurement integrated PDA device - Google Patents
Civil construction engineering GPS-RTK measurement integrated PDA device Download PDFInfo
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- CN101158993A CN101158993A CNA2007100929319A CN200710092931A CN101158993A CN 101158993 A CN101158993 A CN 101158993A CN A2007100929319 A CNA2007100929319 A CN A2007100929319A CN 200710092931 A CN200710092931 A CN 200710092931A CN 101158993 A CN101158993 A CN 101158993A
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Abstract
The invention discloses a PDA device of civil and architectural engineering GPS-RTK measurement integration, which is a PDA computer used for GPS-RTK data collection and processing and applied to civil and architectural engineering. The hardware in the PDA computer comprises a display, press keys and hanging parts, a host chip equipped inside the body with a dominant frequency above 400MHz, a bluetooth module and a GPRS module, a built-in data transmission antenna and a power supply; a built-in software system in the PDA computer integrates the data collection, processing, application and transmission of GPS-RTK, which greatly enhances operation efficiency and reliability, directly accomplishes the tasks like design and survey, construction survey, and geometric detection etc. of normal civil engineering (including highways, railways, port terminals, city roads and pipe network, hydropower project and so on), does not need the prior fractional work such as data downloading, indoor processing, outdoor surveying and designing etc., and obviously enhances the operation efficiency of civil engineering measurement.
Description
Technical field
The present invention relates to open-air engineering survey device, be specifically related to a kind of GPS-RTK and PDA integral system towards the civil construction project special use, this measurement mechanism is mainly used in and uses the GPS-RTK method to carry out the aspects such as quality testing of civil construction project survey and design, construction lofting and buildings.
Background technology
In the prior art, the GPS-RTK that open-air engineering survey is used (GPS one satellite navigation and location system, RTK-Real Time Kinematic, Real-time and Dynamic) system generally is made up of a base station and a plurality of rover station.Base station and rover station are by formations such as GPS mainboard, radio station, power supply, antenna and foot rests, and rover station also comprises PDA (palm PC) computer installation, and the base station sends its observed reading and survey station coordinate information to rover station together by data chainning; Rover station calculates the observation data of GPS-RTK simultaneously, and resolves the current coordinate of rover station by the data of data chainning reception from the base station.Present GPS-RTK system, all there is following deficiency in the brand product as Switzerland comes card company, U.S. Tian Bao company, southern china company etc.:
1, present product all belongs to the universal industrial product of no professional applications, is mainly used in the exploration of industries such as building, electric power, machinery and construction etc., and operating efficiency is low.
2, the PDA computing machine that it disposed is mainly used in according to the GPS observation data of gathering and resolves the current coordinate of rover station, and only the front end data of output application can not carry out various real-time engineerings and use processing.
3, the PDA computing machine of existing GPS-RTK measuring system rover station is off-gauge product, volume is bigger than normal, screen is little and do not have a graphical display function, need be fixed on the rover station sounding rod and use, no teledata passes device, processor calculating speed is slower, and low memory makes the speed and the efficient that run application lower.
4, the rover station PDA computer operating system of existing GPS-RTK measuring system is different, and user's secondary development is very difficult.Built-in Engineering Speciality application software function seldom makes that engineering application processing is very inconvenient.
5, the rover station PDA computing machine of existing GPS-RTK measuring system mostly is imported product, and cost is higher, and price is up to tens thousand of units.
In addition, Chinese patent CN1928586A disclosed " based on the height above sea level measuring equipment and the method for RTK-GPS technology " discloses a kind of longitude and latitude and height above sea level of measuring tested point, the output device sign is stored the mode of handling and draw the result by modelling, in real time and is handled in real time, and it can not handle in good time.
Summary of the invention
At the prior art above shortcomings, the purpose of this invention is to provide a kind of data acquisition, processing, application and the incorporate civil construction engineering GPS-RTK measurement integrated PDA device of transmission, and have higher processing speed, littler volume and lower use cost GPS-RTK.
The object of the present invention is achieved like this: civil construction engineering GPS-RTK measurement integrated PDA device, it is characterized in that, for being used for the PDA computing machine that GPS-RTK data acquisition, processing and civil construction project are used, the formation rover station combines with the GPS-RTK data acquisition system (DAS), receive data by data chainning, on rover station, finish remote transmission integrated of the collection of GPS observation data, processing, application and application data simultaneously from the base station.
Hardware in the described PDA computing machine, comprise display screen, be located at the display screen left and right sides button, be located at the suspension member of body top, and above host chip, bluetooth module and GPRS module, the built-in number of 400MHz dominant frequency of being located at body interior passes antennas and power supplys; Adopt whole-closed water-proof moisture-proof plastic-steel casing; The effective indication range of display screen is not less than 80 * 80 (mm).
Built-in software in the described PDA computing machine comprises Data Receiving and modular converter, origin coordinate system transform module, database management module, the module of controlling and measure the smashed parts, design mould shape management system, exploration and inquiry module, construction survey module and geometric relationship detection module;
Wherein, Data Receiving and modular converter: to receive and be converted to the data layout of native system standard from the carrier phase difference baseline increment data of GPS-RTK key plate and other data;
The origin coordinate system transform module: through the moonscope data of consolidation form, after obtaining a plurality of earth axes known control point coordinate, the coordinates computed conversion parameter, the WGS-84 coordinate conversion with rover station is the coordinate system coordinate at known control point place then;
Database management module: GPS-RTK coordinate survey data, field investigation, the data that design a model, authority data, system are provided with data etc., use file and ACCESS database mode to manage, quick retrieval modify feature is provided;
The control and the module of measuring the smashed parts: be used to use the GPS-RTK method to set up the inferior grade reference mark fast, measure the smashed parts and define pictorial information;
Design mould shape management system: be used to define, the three-dimensional geometric design model of modification and ground structure things such as management road, buildings, pipeline, railway and track engineering;
Exploration and inquiry module: be used to use the GPS-RTK instrument to carry out various engineering surveys and investigation;
Construction survey module: the surveying work that is used for various engineering constructions;
The geometric relationship detection module: use GPS-RTK equipment is finished the detection to any position geometric properties of engineering fast.
Compared to existing technology, the present invention has following beneficial effect:
1, the present invention utilizes the advantage of GPS-RTK and PDA computing machine, special development and Design forms at civil construction project is required, data acquisition, processing, application and the transmission of GPS-RTK is integrated, operating efficiency and reliability have not only been improved, and avoided the situation of the wasting of resources multiple, that repeatedly handle, thereby reduced application cost.
2, the designed special-purpose RTK of civil engineering measures PDA, adopts bigger display screen to make civil engineering measure and realizes that number figure contrasts fully; By the large screen display figure, can visual means any spatial design model of management civil construction facilities, make the geometry designs scheme directly enter work progress;
3, the multi-specialized application program of built-in civil construction forms the special-purpose RTK-PDA of civil engineering, cooperates with the RTK receiving equipment, can directly finish multi-specialized common measuring task, as survey and design, land investigation, construction lofting and quality control etc.The work that former needs 3～5 people finish can be finished by a people, be used common RTK instrument to do identical work, can save the field process time greatly, increase work efficiency more than one times.
4, PDA hardware internal bluetooth module of the present invention and multiple GPS-RTK mainboard data layout, can and multiple RTK receiver (GPS mainboard) between realize the transmission of blue teeth wireless data wireless, make this device can connect the output data of multiple GPS-RTK equipment, thereby enlarged usable range.
5, PDA hardware internal GPRS digital transmission module of the present invention can be realized the teledata real-time Transmission by wireless network; The location service information that also can receive the net issue of GPS Urban base station carries out real-time RTK location, thereby can realize the unit operation.
6, PDA hardware volume of the present invention is littler, is convenient to carry and deposit; Design simultaneously has the hanging hook of chest not account for hand, especially convenient open-air one-man service.
Description of drawings
Fig. 1 is the GPS-RTK system schematic that open-air engineering survey is used;
Fig. 2-the 1st, the profile front view of PDA device of the present invention;
Fig. 2-the 2nd, the vertical view of Fig. 2-1;
Fig. 2-the 3rd, the right view of Fig. 2-1;
Fig. 3 is the block scheme of computer software part of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Referring to Fig. 1, civil construction engineering GPS-RTK measurement integrated PDA device of the present invention, comprise and be used for the PDA computing machine that GPS-RTK data acquisition, processing and civil construction project are used, the formation rover station combines with the GPS-RTK data acquisition system (DAS), by the gps satellite data of data chainning reception from the base station, with the gps satellite data of rover station, on rover station, finish remote transmission integrated of the collection of GPS difference observation data, processing, application and application data simultaneously.
Shown in Fig. 2-1, Fig. 2-2 and Fig. 2-3, the GPS-RTK of civil construction project special use of the present invention and PDA integrated apparatus, by body 1, display screen 2, be located at the display screen left and right sides button 3, be located at the suspension member 4 of body top, and the above formations such as host chip, power supply and software of 400MHz dominant frequency of being located at body interior.Be designed to the bilateral key layout, but the bilateral operation; Described suspension member 4 is by hook and be linked with and form, and the protection leather sheath, and the person of being easy to use hangs over not only handled easily but also do not account for hand of front; And the present invention can adopt effective indication range to be not less than the ultra-thin touch black and white of the square-shaped patterns daylight display screen of 80 * 80 (mm) because the PDA computer installation is designed to hanging structure, and big screen display screen and left and right bilateral button use convenient.Cumulative volume is littler than the most of industrial PDA of external import, weight is lighter, adopts firm whole-closed water-proof moisture-proof plastic-steel casing, fully numeral and alphabetical Waterproof push-button, adopt bluetooth and GPRS module and built-in number to pass antenna, wireless mode is all used in the data turnover.Use special ultra-thin high capacity aluminum cell power supply, do not use the working time that number passes and high brightness shows to reach more than 3 days like this.
As shown in Figure 3, aspect software, the present invention has designed and developed civil engineering and has used the embedded software system, mainly by Data Receiving and modular converter, origin coordinate system transform module, database management module, and control and the module of measuring the smashed parts, design mould shape management system, exploration and inquiry module, construction survey module and geometric relationship detection module etc. are partly formed.Wherein,
1, Data Receiving and modular converter: to receive and be converted to the data layout of native system standard from the carrier phase difference baseline increment data of GPS-RTK key plate and other data.Be provided with the data layout of present double frequency and single-frequency GPS-RTK mainboard, only need to select the mainboard model just can receive the output data of this mainboard.These data generally comprise baseline increment of coordinate through resolving, ephemeris parameter, single-point locator data, survey sign indicating number differential data etc.
2, origin coordinate system transform module: through the moonscope data of consolidation form, after obtaining a plurality of earth axes known control point coordinate, just can pass through the automatic coordinates computed conversion parameter of this module software, the WGS-84 coordinate conversion with rover station is the coordinate system coordinate at known control point place then.Also can use the coordinate transformation parameter that presets of recommendation, after having selected coordinate system, can change in real time the observation coordinate of every each point automatically.
3, database management module: GPS-RTK coordinate survey data, field investigation, the data that design a model, authority data, system are provided with data etc., use file and ACCESS database mode to manage, quick retrieval modify feature is provided.
4, the module of controlling and measure the smashed parts: be used to use the GPS-RTK method to set up the inferior grade reference mark fast, measure the smashed parts and define pictorial information.The point position and the attribute key element that comprise record controls point, detail point, line and border attribute key element etc.Can be directly used in required digital topography map of various engineering designs and cadastre measures.
5, design mould shape management system: be used to define, the three-dimensional geometric design model of ground such as modification and management road, buildings, pipeline, railway and track engineering, tunnel and shaft sinking and drifting and underground structures.These design a model and can be made up of point, curve and curved surface key element.
6, exploration and inquiry module: be mainly used in and use the GPS-RTK instrument to carry out various engineering surveys and investigation.According to the operation needs, can select to install exploration enquiry procedures such as highway, railway, pipeline, channel.Can finish, feature dotted line (as the middle sideline) setting-out of design proposal, vertical and horizontal section is measured and land used, removal, the bank of engineering such as cut down at investigation etc.
7, construction survey module: be mainly used in the surveying work in the various engineering constructions.Can carry out plane setting-outs (being about to design proposal is provided with), earthwork measurement and construction project time management measurements etc. such as unique point, design axis, property-line, excavatoin line on the ground structure thing on the spot.
8, geometric relationship detection module: in work progress, need geometry quality often, comprise that position, direction and each position geometric scale detect, to compare with designing requirement to construction.The requirement of detected error and standard compares, and can in time estimate out the quality of construction quality.Native system can be selected corresponding geometric relationship detection module according to concrete engineering field, just can use GPS-RTK equipment to finish detection to any position geometric properties of engineering fast.
From the baseline increment of coordinate measurement data of GPS-RTK mainboard and other related datas, import the engineering special-purpose PDA computing machine supporting into GPS-RTK by blue-tooth device is wireless.
At first, carry out the format conversion and the bug check of observation data by the front end data handling procedure; Then, observation data according to known control point is carried out the accuracy checking of coordinate transformation parameter and the conversion and the output engineering coordinate system coordinate of coordinate system to the increment of coordinate data, the rover station terrestrial coordinate of trying to achieve, with field investigation, the data that design a model, authority data, system data etc. are set, all enter data file and database file on the mounting medium, manage by unified data management system.
Obtaining various data, particularly on the basis of GPS-RTK measurement data, can select the corresponding work program to carry out operation according to engineering kind (highway, railway etc.) and engineering phase (exploration, construction etc.).
All geometric datas, literal, data can be shown on than giant-screen special by display routine.
This device has and can contrast operation with figure, two kinds of input methods of touch screen operation and button operation, and two kinds of wireless two-way numbers pass mode, long-acting supplying cell, and the moistureproof shock resistance casing design that discharges water.Match with the GPS-RTK system of combination, can also match with multiple commercially available GPS-RTK receiver, can directly finish work such as the design exploration of (comprising highway, railway, port and pier, urban road and pipe network, hydroelectric project etc.) of common civil engineering, construction survey, geometrical detection, do not need that original data are downloaded, interior industry is handled, field operation surveys to establish etc. and works step by step, can significantly improve civil engineering and measure operating efficiency.
Claims (2)
1. civil construction engineering GPS-RTK measurement integrated PDA device, it is characterized in that, for being used for the PDA computing machine that GPS-RTK data acquisition, processing and civil construction project are used, the formation rover station combines with the GPS-RTK data acquisition system (DAS), receive data by data chainning, on rover station, finish remote transmission integrated of the collection of GPS observation data, processing, application and application data simultaneously from the base station;
Described PDA computer hardware, comprise display screen, be located at the display screen left and right sides button, be located at the suspension member of body top, and above host chip, bluetooth module and GPRS module, the built-in number of 400MHz dominant frequency of being located at body interior passes antennas and power supplys; Adopt whole-closed water-proof moisture-proof plastic-steel casing; The effective indication range of described display screen is not less than 80 * 80 (mm);
Described PDA built-in computer software comprises Data Receiving and modular converter, origin coordinate system transform module, database management module, the module of controlling and measure the smashed parts, design mould shape management system, exploration and inquiry module, construction survey module and geometric relationship detection module;
Wherein, Data Receiving and modular converter: to receive and be converted to the data layout of native system standard from the carrier phase difference baseline increment data of GPS-RTK mainboard and other data;
The origin coordinate system transform module: through the moonscope data of consolidation form, after obtaining a plurality of earth axes known control point coordinate, the coordinates computed conversion parameter, the WGS-84 coordinate conversion with rover station is the coordinate system coordinate at known control point place then;
Database management module: GPS-RTK coordinate survey data, field investigation, the data that design a model, authority data, system are provided with data etc., use file and ACCESS database mode to manage, quick retrieval modify feature is provided;
The control and the module of measuring the smashed parts: be used to use the GPS-RTK method to set up the inferior grade reference mark fast, measure the smashed parts and define pictorial information;
Design mould shape management system: be used to define, the three-dimensional geometric design model of modification and ground structure things such as management road, buildings, pipeline, railway and track engineering;
Exploration and inquiry module: be used to use the GPS-RTK instrument to carry out engineering survey and investigation;
Construction survey module: the surveying work that is used for engineering construction;
The geometric relationship detection module: use GPS-RTK equipment is finished the detection to any position geometric properties of engineering fast.
2. civil construction engineering GPS-RTK measurement integrated PDA device according to claim 1 is characterized in that: described suspension member is formed by linking up with and being linked with.
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| CN101865664A (en) * | 2010-05-18 | 2010-10-20 | 武汉大学 | Portable dynamic deflection displacement measuring device and method |
| CN102168395A (en) * | 2011-03-18 | 2011-08-31 | 中铁第一勘察设计院集团有限公司 | Data integration processing method in designing and positioning-measurement of ballastless track layout |
| CN102235858A (en) * | 2011-03-24 | 2011-11-09 | 广东省电力设计研究院 | Coded real-time kinematic global positioning system (RTK-GPS) plane section measuring method and system |
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| CN101865664B (en) * | 2010-05-18 | 2012-05-30 | 武汉大学 | Portable dynamic deflection displacement measuring device and method |
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| CN104849736A (en) * | 2014-02-13 | 2015-08-19 | 黑龙江省水利科学研究院 | Dam piping leakage inlet detection system with RTK technology |
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| CN110398713A (en) * | 2019-07-29 | 2019-11-01 | 相维(北京)科技有限公司 | A method of receiver motion state is detected using wireless signal |
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