Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of high-precision integrative pipe network data acquisition system (DAS), it achieves the Real-time Obtaining to gps coordinate data in conjunction with GPS, ensure that the precision of image data, provide a kind of pipe network collecting method simultaneously, achieve " gather---become figure---examination & verification---corrections---warehouse-in " flow process integration operate, effectively reduce manpower and time cost, significantly improve the work efficiency of pipe network data acquisition.
The technical scheme that the present invention adopts for its technical matters of solution is: the invention provides a kind of high-precision integrative pipe network data acquisition system (DAS), comprise the GPS for receiving coordinate data, for storing the GIS database server of pipe network facilities and topological connection relation information, there is the data acquisition mobile terminal of data acquisition function, and with the application server that GIS database server is connected by LAN (Local Area Network); Described data acquisition mobile terminal is smart mobile phone or the panel computer equipment with bluetooth module, GPS is have bluetooth module and adopt the GPS device that real time dynamic differential method is measured, and data acquisition mobile terminal and GPS are by bluetooth approach communication; Data acquisition mobile terminal and application server wirelessly transmit data.
Further restriction is, the precision of described GPS is 1 ~ 5 centimetre.
Invention also provides a kind of pipe network collecting method based on described system, store original tube network data in GIS database server, specifically comprise the following steps:
(1) gather: set up data acquisition mobile terminal respectively and be connected with the wireless connections between application server and the LAN (Local Area Network) between application server with GIS database server, acquisition tasks is distributed and is sent to data acquisition mobile terminal by application server; Described acquisition tasks comprises task names, task type, task description, pickup area scope, task creation time and founder's information; After data acquisition mobile terminal receives acquisition tasks, download the original tube network data that pickup area scope is corresponding, and set up bluetooth with GPS and be connected; GPS positions pipe network facilities point and obtains gps coordinate data, send gps coordinate data by bluetooth approach to data acquisition mobile terminal, data acquisition personnel are edited by the attribute of data acquisition mobile terminal to this facility point and attribute data are kept at data acquisition mobile terminal; The attribute data of described pipe network facilities comprises facility name, facility numbering, facility locations, establishment type, ground elevation, buried depth and facility affiliated unit;
(2) figure is become: data acquisition mobile terminal is that each pipe network facilities point gathered adds pipeline information, to set up pipe network topological connection relation, obtains pipe network data; Data acquisition personnel arrange the attribute data of pipeline by data acquisition mobile terminal and play up mode, and the attribute data of described pipeline comprises pipeline numbering, pipeline type, pipe range, caliber, tubing, place road name and pipeline affiliated unit; Data acquisition mobile terminal carries out image rendering according to pipeline attribute data, pipe network topological connection relation and mode of playing up, and draws pipe network polar plot;
(3) audit: pipe network data are sent to application server by wireless network by data acquisition mobile terminal, application server carries out integrality and correctness examination to pipe network data, one, integrality examination is carried out to pipe network geometric data, comprises and identify whether to there is invalid facility point and repetition facility point; Its two, integrality examination is carried out to pipe network network topology data, the isolated facility point existed in recognition network topological structure and hang pipeline, described suspension pipeline is the pipeline that starting point and terminal at least lack one; Its three, whether examination pipe network attribute data exists null value and improper value situation;
(4) revise: examination result is sent to data acquisition mobile terminal by application server, by data acquisition mobile terminal, the mistake that examination finds revised item by item,
One, for pipe network geometric data, the isolated point beyond pickup area scope is invalid facility point, deletes it; For repetition facility point, deleted or reorientated;
Its two, for pipe network topological data, revise and set up complete network topology: for isolated facility point, according to its actual connection, deleted or re-establish the Topology connection of this isolated facility point and other facility point by adding pipeline; For suspension pipeline, according to its actual connection, deleted, or be connected to correct facility point;
Its three, for pipe network attribute data: when null value appears in the title of pipe network facilities attribute data, type or location field, the pipe network facilities according to reality adds it; When there is improper value, the pipe network facilities information according to reality is modified to it;
(5) put in storage: revised pipe network data are sent to application server by data acquisition mobile terminal, GIS database server is transferred to again by application server, merge with original tube network data: GIS database server is by more revised pipe network data and original tube network data, identify the data increased, modified or deleted, for newly-increased data, added in original tube network data; For the data of amendment, upgrade the corresponding record in original tube network data, for the data of deleting, it is deleted from original tube network data.
Further restriction is, step (3) application server carries out in integrality and correctness checking process to the pipe network data that data acquisition mobile terminal sends, and generates examination report inventory according to result.
The present invention is based on the beneficial effect that its technical scheme has to be:
(1) GPS precision of the present invention is 1 ~ 5 centimetre, is high-precision GPS receiver, and it adopts RK real time dynamic differential method to measure simultaneously, realizes the Real-time Obtaining of pipe network facilities point coordinate data, ensure that the precision of collection tube network data.
(2) GPS of the present invention and data acquisition mobile terminal all have bluetooth module, in real time the coordinate data of facility point can be transferred to data acquisition mobile terminal by Bluetooth transmission mode, eliminate process GPS must transmitted with collecting device wired connection in traditional gatherer process, save time cost.
(3) data acquisition mobile terminal of the present invention can process data while image data, realizes mapping process, becomes the process of figure to be converted into the process gathering into figure integration traditional first field data acquisition, rear interior industry, improves work efficiency; And the process of data acquisition mobile terminal automation is transferred in one-tenth figure work, effectively reduces human cost.
(4) utilize application server automatically to carry out school to pipe network data in examination & verification step of the present invention to examine, liberated the labour of people in traditional gatherer process, no matter be all better than manually from processing speed or degree of accuracy.
(5) in warehouse-in step of the present invention, revised for application server end pipe network data and original pipe network data are merged, effectively can safeguard real-time and the integrality of pipe network data in GIS database.
(6) the present invention obtains original tube network data according to acquisition tasks scope, and adopt offline mode to edit, after application server examination & verification is revised, be uploaded to GIS database server again carry out merging warehouse-in, avoid the possibility in data processing original tube network data being caused to malicious influences, improve the stability of system.
Embodiment
Composition graphs 1, the invention provides a kind of high-precision integrative pipe network data acquisition system (DAS), comprise the GPS for receiving coordinate data, for storing the GIS database server of pipe network facilities and topological connection relation information, there is the data acquisition mobile terminal of data acquisition function, and with the application server that GIS database server is connected by LAN (Local Area Network); Described data acquisition mobile terminal is smart mobile phone or the panel computer equipment with bluetooth module, GPS be there is bluetooth module and the GPS device data acquisition mobile terminal adopting real time dynamic differential method to measure and GPS by bluetooth approach communication.Coordinate data can be transferred to data acquisition mobile terminal by Bluetooth transmission mode by GPS in real time, eliminate process GPS must transmitted with collecting device wired connection at set intervals in traditional gatherer process, save time cost.Data acquisition mobile terminal and application server wirelessly transmit data, make data acquisition and data processing carry out becoming possibility in two spaces simultaneously, become the process of figure to be converted into the process gathering into figure integration traditional first field data acquisition, rear interior industry, improve work efficiency; And the process of data acquisition mobile terminal automation is transferred in one-tenth figure work, effectively reduces human cost.
The precision of described GPS is 1 ~ 5 centimetre, utilizes GPS to realize the Real-time Obtaining of gps coordinate data, ensure that the precision of image data.
Invention also provides a kind of pipe network collecting method based on described system, specifically comprise the following steps:
(1) gather: set up data acquisition mobile terminal respectively and be connected with the wireless connections between application server and the LAN (Local Area Network) between application server with GIS database server, acquisition tasks is distributed and is sent to data acquisition mobile terminal by application server; Described acquisition tasks comprises task names, task type, task description, pickup area scope, task creation time and founder's information; After data acquisition mobile terminal receives acquisition tasks, download the original tube network data that pickup area scope is corresponding, and set up bluetooth with GPS and be connected; GPS positions pipe network facilities point and obtains gps coordinate data, send gps coordinate data by bluetooth approach to data acquisition mobile terminal, data acquisition personnel are edited by the attribute of data acquisition mobile terminal to this facility point and attribute data are kept at data acquisition mobile terminal; The attribute data of described pipe network facilities comprises facility name, facility numbering, facility locations, establishment type, ground elevation, buried depth and facility affiliated unit;
(2) figure is become: data acquisition mobile terminal is that each pipe network facilities point gathered adds pipeline information, to set up pipe network topological connection relation, obtains pipe network data.Part attribute data such as pipeline numbering, pipe range, pipeline initial point and the terminal numbering etc. of pipeline can calculate acquisition automatically by data acquisition mobile terminal, and part attribute data is manually added by collector in addition.Data acquisition personnel arrange the attribute data of pipeline by data acquisition mobile terminal and play up mode, and the attribute data of described pipeline comprises pipeline numbering, pipeline type, pipe range, caliber, tubing, place road name and pipeline affiliated unit etc.; Data acquisition mobile terminal carries out image rendering according to pipeline attribute data, pipe network topological connection relation and mode of playing up, and draws pipe network polar plot;
(3) audit: pipe network data are sent to application server by wireless network by data acquisition mobile terminal, application server carries out integrality and correctness examination to pipe network data, one, integrality examination is carried out to pipe network geometric data, comprises and identify whether to there is invalid facility point and repetition facility point; Its two, integrality examination is carried out to pipe network network topology data, the isolated facility point existed in recognition network topological structure and hang pipeline, described suspension pipeline is the pipeline that starting point and terminal at least lack one; Its three, whether examination pipe network attribute data exists null value and improper value situation;
After examination & verification terminates, application server can generate examination report inventory according to result.
(4) revise: examination result is sent to data acquisition mobile terminal by application server, by data acquisition mobile terminal, the mistake that examination finds revised item by item,
One, for pipe network geometric data, the isolated point beyond pickup area scope is invalid facility point, deletes it; For repetition facility point, deleted or reorientated;
Its two, for pipe network topological data, revise and set up complete network topology: for isolated facility point, according to its actual connection, deleted or re-establish the Topology connection of this isolated facility point and other facility point by adding pipeline; For suspension pipeline, according to its actual connection, deleted, or be connected to correct facility point;
Its three, for pipe network attribute data: when null value appears in the title of pipe network facilities attribute data, type or location field, the pipe network facilities according to reality adds it; When there is improper value, the pipe network facilities information according to reality is modified to it;
(5) put in storage: revised pipe network data are sent to application server by data acquisition mobile terminal, GIS database server is transferred to again by application server, merge with original tube network data: GIS database server is by more revised pipe network data and original tube network data, identify the data increased, modified or deleted, for newly-increased data, added in original tube network data; For the data of amendment, upgrade the corresponding record in original tube network data, for the data of deleting, it is deleted from original tube network data.