CN104200394A - Power grid equipment network analysis method and system based on SpatiaLite database - Google Patents
Power grid equipment network analysis method and system based on SpatiaLite database Download PDFInfo
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- CN104200394A CN104200394A CN201410410091.6A CN201410410091A CN104200394A CN 104200394 A CN104200394 A CN 104200394A CN 201410410091 A CN201410410091 A CN 201410410091A CN 104200394 A CN104200394 A CN 104200394A
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Abstract
The invention provides a power grid equipment network analysis method and a power grid equipment network analysis system based on a SpatiaLite database. The power grid equipment network analysis method based on the SpatiaLite database includes steps: building a network analysis model in the SpatiaLite database; obtaining a circuit diagram layer of preset power grid equipment, and generating a circuit network of the power grid equipment according to the circuit diagram layer; reading attribute information of the circuit network, inserting the attribute information into the network analysis model, and obtaining an updated network analysis model; building network topology of the power grid equipment in the SpatiaLite database according to the updated network analysis model; when receiving a network analysis instruction, invoking the network topology, and executing network analysis according to the network analysis instruction. The power grid equipment network analysis method and the power grid equipment network analysis system based on the SpatiaLite database can achieve the cross-platform network analysis, do not need to access a network for invoking an online network analysis function, and are high in safety performance.
Description
Technical field
The present invention relates to Geographic Information System (Geographic Information Systems, GIS) technical field, particularly relate to a kind of grid equipment network analysis method based on SpatiaLite database, and a kind of grid equipment network analysis system based on SpatiaLite database.
Background technology
Along with GIS technology develops in electrical network field, each department are set up electrical network Spatial GIS successively, to electrical network infrastructure device attribute data and road network data utilize frequency also more and more higher, apply to install the Premium Features such as program analysis, breakdown repair, line inspection, in the construction of mobile terminal, the Operation and management of power distribution network also made to good try.
At present, the GIS data network of mobile terminal is analyzed, and is mainly that following two kinds of modes realize: Yi Zhongshi, and utilize the database storage of commercial podium and associated component to realize network analysis function, another kind is to be invoked at spider lines Analysis Service.
The storage of commercial podium data and analytic unit: use data storage electrical network and the Background spatial data of commercial podium, calling platform analytic unit is realized network analysis function, and this is the implementation being in daily use.But business GIS platform has serious restriction, database and analytic unit likely can not be realized cross-platform, and due to business privacy, some database storage format is not followed OGC (Open Geospatial Consortium, open geographic information alliance) specification, being unfavorable for data interaction, also there are a lot of uncertain factors in security aspect.This mode development and maintenance cost is high, is also not easy to the data interaction across GIS platform.
Be invoked at spider lines Analysis Service: this mode is mainly the network analysis service of issuing by 3G/4G network call outer net application server, realize online network analysis function, it is low that this mode realizes cost, easy to maintenance, conventional this mode practical function exploitation of other GIS industries; But because grid equipment spatial data is more responsive, relate to national security problem.In general power grid GIS platform is interior network server, with Internet Network Isolation.If realize online network analysis service, also need under public network environment, dispose database server and application server, exist data security low and rely on wireless network, if terminal cannot even be connected to the Net, also exist and cannot use the drawback of network analysis function.
Summary of the invention
Based on this, the invention provides a kind of grid equipment network analysis method and system based on SpatiaLite database, can realize cross-platform network analysis, and be invoked at spider lines analytic function without networking, security performance is high.
A grid equipment network analysis method based on SpatiaLite database, comprises the steps:
In SpatiaLite database, build network analysis model;
Obtain the wiring diagram layer of default grid equipment, generate the circuit network of grid equipment according to described wiring diagram layer;
Read the attribute information of described circuit network, described attribute information is inserted into described network analysis model, obtain the network analysis model after upgrading;
According to the network analysis model after described renewal, build the network topology of described grid equipment at SpatiaLite database;
In the time receiving network analysis instruction, call described network topology, carry out network analysis according to described network analysis instruction.
A grid equipment network analysis system based on SpatiaLite database, comprising:
Network analysis model builds module, for building network analysis model at SpatiaLite database;
Circuit network generation module, for obtaining the wiring diagram layer of default grid equipment, generates the circuit network of grid equipment according to described wiring diagram layer;
Network analysis model update module, for reading the attribute information of described circuit network, is inserted into described network analysis model by described attribute information, obtains the network analysis model after upgrading;
Constructing network topology module, for according to the network analysis model after described renewal, builds the network topology of described grid equipment at SpatiaLite database;
Nework analysis module, in the time receiving network analysis instruction, calls described network topology, carries out network analysis according to described network analysis instruction.
Above-mentioned grid equipment network analysis method and system based on SpatiaLite database, adopt SpatiaLite database to build network analysis model, the wiring diagram layer of grid equipment is converted to circuit network, data in circuit network are inserted in the network analysis model building, realize the fast transferring of grid equipment basis GIS data to SpatiaLite database, can be in SpatiaLite database generating network topology according to the network analysis model after upgrading, in the time that needs carry out network analysis, the network topology that can call in SpatiaLite database is carried out network analysis, by the network topology of the cross-platform SpatiaLite Database of increasing income of light weight, realize more flexibly, more specification and cross-platform network analysis.
Brief description of the drawings
Fig. 1 is the schematic flow sheet in one embodiment of grid equipment network analysis method that the present invention is based on SpatiaLite database.
Fig. 2 is the structural representation in one embodiment of grid equipment network analysis system that the present invention is based on SpatiaLite database.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As shown in Figure 1, be the schematic flow sheet in one embodiment of grid equipment network analysis method that the present invention is based on SpatiaLite database, comprise the steps:
S11, in SpatiaLite database, build network analysis model;
In the present embodiment, adopt based on the SpatiaLite spatial database storage space data of increasing income, set up analytical model and realize network analysis function; SpatiaLite database is a light weight, cross-platform, the database of increasing income, its access of elementary factor according to OGC (Simple Feature Access) standard access space data, can realize whole Add Cipher of Data Base File, guaranteeing data security property.
In a preferred embodiment, in described network analysis model, can comprise id field, the start node field of grid equipment and the terminal node field of grid equipment of default grid equipment;
Network is made up of limit, and each limit will comprise its corresponding start node (NODE_FROM) and end node (NODE_TO).The present embodiment is classified according to grid equipment, the corresponding unique coding of every kind equipment, and each equipment has unique ID, and each grid equipment needs to have two connected nodes, and grid equipment is as an element, and the value of start node and end node is identical; If line element, if have the value of node identical between two line elements, just thinks that two circuits are connected, and can carry out network analysis.
In a preferred embodiment, in described network analysis model, also comprise default device type field, name field, length field, weighted value field, type field and graphics field.
Concrete, network analysis model can be as shown in the table:
Concrete, can adopt following SQL (Structured Query Language, Structured Query Language (SQL)) the above-mentioned model of statement Rapid Establishment:
S12, obtain the wiring diagram layer of default grid equipment, generate the circuit network of grid equipment according to described wiring diagram layer;
The basic GIS data of obtaining grid equipment, what the present embodiment obtained is the wiring diagram layer of grid equipment, needs wiring diagram layer to be converted to circuit network, obtains the attribute information of every circuit in figure layer;
In a preferred embodiment, the described step according to the circuit network of described wiring diagram layer generation grid equipment is:
Described wiring diagram layer is imported in ArcGIS instrument;
In ArcGIS instrument, described wiring diagram layer is converted to Shapefile form;
Load the wiring diagram layer of described Shapefile form, generate the circuit network of described grid equipment;
Shapefile file, is a kind of form of describing the geometry of spatial data and the non-topological entity vector data structure of attributive character, and it at least comprises master file (* .shp), stores the geometric file of geographic element; Index file (* .shx), stores the file of graphical element and attribute information index; DBASE list file (* .dbf), stores the dBase list file of element information attribute; At ArcGIS instrument processing circuitry figure layer, generation circuit network more quickly and easily, and the follow-up data initialization that carries out network analysis model.
S13, read the attribute information of described circuit network, described attribute information is inserted into described network analysis model, obtain the network analysis model after upgrading;
The present embodiment carries out the initialization of network data in network analysis model, and generating network in ArcGIS instrument reads every circuit, and the data of every circuit are inserted in network analysis model;
In a preferred embodiment, described in read the attribute information of described circuit network, described attribute information is inserted into described network analysis model, the step that obtains the network analysis model after upgrading is:
Read every circuit in described circuit network, the ID property value of described circuit is inserted into described id field, the starting point property value of described circuit is inserted into described start node field, the terminal attribute value of described circuit is inserted into described terminal node field, obtains the network analysis model after described renewal.
In the time obtaining the basic GIS data of grid equipment, also can obtain the point diagram layer of grid equipment, each grid equipment is a some element, after in point diagram layer is imported to ArcGIS instrument, read each attribute of an element information, the ID property value of an element is inserted into described id field, the node attribute values of an element (for example geographic position property value) is inserted into start node field and terminal node field, put element in network analysis model, start node field is identical with the value of terminal node field.
S14, according to the network analysis model after described renewal, build the network topology of described grid equipment at SpatiaLite database;
Upgrade after described network analysis model, the data of the wiring diagram layer in ArcGIS instrument all can be transformed in SpatiaLite database, can be according to the data construct network topology of network analysis model;
For example, according to the network analysis model after described renewal, the step that builds the network topology of described grid equipment at SpatiaLite database can be:
In described SpatiaLite database, carry out following order line and obtain described network topology:
Spatialite_network-d database file title-T TOPOCONNECTION-fNODE_FROM-t NODE_TO-c LENGTH-g Geometry; Wherein, described database file name is called the title of described network analysis model; By carrying out above-mentioned SQL statement, can rapid build network topology.
S15, in the time receiving network analysis instruction, call described network topology, carry out network analysis according to described network analysis instruction;
Network analysis carries out the spatial analysis of geographic information data on topological structure, for example, in a circuit network, find i.e. shortest path, the optimal path between two grid equipments of point-to-point transmission, or finds the nearest multiple grid equipments of certain circuit etc.; In the time receiving network analysis instruction, the network topology that can directly call in SpatiaLite database is carried out corresponding network analysis.
For example, can in SpatiaLite database, carry out following SQL statement, call network topology and carry out Shortest Path Analysis:
SELECT*FROM TOPOCONNECTION_NET WHERE NodeFrom=start node NODEID AND NodeTo=end node NODEID; Thereby obtain the line pattern of shortest path.
As shown in Figure 2, be a kind of grid equipment network analysis system based on SpatiaLite database of the present invention structural representation in one embodiment, comprising:
Network analysis model builds module 21, for building network analysis model at SpatiaLite database;
In the present embodiment, adopt based on the SpatiaLite spatial database storage space data of increasing income, set up analytical model and realize network analysis function; SpatiaLite database is a light weight, cross-platform, the database of increasing income, and it,, according to the Simple Feature Access standard access space data of OGC, can realize whole Add Cipher of Data Base File, guaranteeing data security property.
In a preferred embodiment, described network analysis model comprises id field, the start node field of grid equipment and the terminal node field of grid equipment of default grid equipment;
Network is made up of limit, and each limit will comprise its corresponding start node (NODE_FROM) and end node (NODE_TO).The present embodiment is classified according to grid equipment, the corresponding unique coding of every kind equipment, and each equipment has unique ID, and each grid equipment needs to have two connected nodes, and grid equipment is as an element, and the value of start node and end node is identical; If line element, if have the value of node identical between two line elements, just thinks that two circuits are connected, and can carry out network analysis.
In a preferred embodiment, in described network analysis model, also comprise default device type field, name field, length field, weighted value field, type field and graphics field.
Concrete, network analysis model can be as shown in the table:
Concrete, can adopt the above-mentioned model of following SQL statement Rapid Establishment:
Circuit network generation module 22, for obtaining the wiring diagram layer of default grid equipment, generates the circuit network of grid equipment according to described wiring diagram layer;
The basic GIS data of obtaining grid equipment, what the present embodiment obtained is the wiring diagram layer of grid equipment, needs wiring diagram layer to be converted to circuit network, obtains the attribute information of every circuit in figure layer;
In a preferred embodiment, described circuit network generation module also for: described wiring diagram layer is imported to ArcGIS instrument, in ArcGIS instrument, described wiring diagram layer is converted to Shapefile form, load the wiring diagram layer of described Shapefile form, generate the circuit network of described grid equipment.
Shapefile file, is a kind of form of describing the geometry of spatial data and the non-topological entity vector data structure of attributive character, and it at least comprises master file (* .shp), stores the geometric file of geographic element; Index file (* .shx), stores the file of graphical element and attribute information index; DBASE list file (* .dbf), stores the dBase list file of element information attribute; At ArcGIS instrument processing circuitry figure layer, generation circuit network more quickly and easily, and the follow-up data initialization that carries out network analysis model.
Network analysis model update module 23, for reading the attribute information of described circuit network, is inserted into described network analysis model by described attribute information, obtains the network analysis model after upgrading;
The present embodiment carries out the initialization of network data in network analysis model, and generating network in ArcGIS instrument reads every circuit, and the data of every circuit are inserted in network analysis model;
In a preferred embodiment, described network analysis model update module is also for every circuit reading described circuit network, the ID property value of described circuit is inserted into described id field, the starting point property value of described circuit is inserted into described start node field, the terminal attribute value of described circuit is inserted into described terminal node field, obtains the network analysis model after described renewal.
In the time obtaining the basic GIS data of grid equipment, also can obtain the point diagram layer of grid equipment, each grid equipment is a some element, after in point diagram layer is imported to ArcGIS instrument, read each attribute of an element information, the ID property value of an element is inserted into described id field, the node attribute values of an element (for example geographic position property value) is inserted into start node field and terminal node field, put element in network analysis model, start node field is identical with the value of terminal node field.
Constructing network topology module 24, for according to the network analysis model after described renewal, builds the network topology of described grid equipment at SpatiaLite database;
Upgrade after described network analysis model, the data of the wiring diagram layer in ArcGIS instrument all can be transformed in SpatiaLite database, can be according to the data construct network topology of network analysis model;
For example, described constructing network topology module also can be used for: in described SpatiaLite database, carry out following order line and obtain described network topology: spatialite_network-d database file title-TTOPOCONNECTION-f NODE_FROM-t NODE_TO-c LENGTH-g Geometry; Wherein, described database file name is called the title of described network analysis model; By carrying out above-mentioned SQL statement, can rapid build network topology.
Nework analysis module 25, in the time receiving network analysis instruction, calls described network topology, carries out network analysis according to described network analysis instruction.
Network analysis carries out the spatial analysis of geographic information data on topological structure, for example, in a circuit network, find shortest path, the optimal path of point-to-point transmission, or finds nearest multiple grid equipments of certain circuit etc.; In the time receiving network analysis instruction, the network topology that can directly call in SpatiaLite database is carried out corresponding network analysis.
For example, can in SpatiaLite database, carry out following SQL statement, call network topology and carry out Shortest Path Analysis:
SELECT*FROM TOPOCONNECTION_NET WHERE NodeFrom=start node NODEID AND NodeTo=end node NODEID; Thereby obtain the line pattern of shortest path.
The present invention is based on grid equipment network analysis method and the system of SpatiaLite database, adopt SpatiaLite database to build network analysis model, the wiring diagram layer of grid equipment is converted to circuit network, data in circuit network are inserted in the network analysis model building, realize the fast transferring of grid equipment basis GIS data to SpatiaLite database, can be in SpatiaLite database generating network topology according to the network analysis model after upgrading, in the time that needs carry out network analysis, the network topology that can call in SpatiaLite database is carried out network analysis, by the network topology of the cross-platform SpatiaLite Database of increasing income of light weight, realize more flexibly, more specification and cross-platform network analysis.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the grid equipment network analysis method based on SpatiaLite database, is characterized in that, comprises the steps:
In SpatiaLite database, build network analysis model;
Obtain the wiring diagram layer of default grid equipment, generate the circuit network of grid equipment according to described wiring diagram layer;
Read the attribute information of described circuit network, described attribute information is inserted into described network analysis model, obtain the network analysis model after upgrading;
According to the network analysis model after described renewal, build the network topology of described grid equipment at SpatiaLite database;
In the time receiving network analysis instruction, call described network topology, carry out network analysis according to described network analysis instruction.
2. the grid equipment network analysis method based on SpatiaLite database according to claim 1, it is characterized in that, described network analysis model comprises id field, the start node field of grid equipment and the terminal node field of grid equipment of default grid equipment;
The described attribute information that reads described circuit network, is inserted into described network analysis model by described attribute information, and the step that obtains the network analysis model after upgrading is:
Read every circuit in described circuit network, the ID property value of described circuit is inserted into described id field, the starting point property value of described circuit is inserted into described start node field, the terminal attribute value of described circuit is inserted into described terminal node field, obtains the network analysis model after described renewal.
3. the grid equipment network analysis method based on SpatiaLite database according to claim 2, it is characterized in that, in described network analysis model, also comprise default device type field, name field, length field, weighted value field, type field and graphics field.
4. the grid equipment network analysis method based on SpatiaLite database according to claim 1, is characterized in that, the described step according to the circuit network of described wiring diagram layer generation grid equipment is:
Described wiring diagram layer is imported in ArcGIS instrument;
In ArcGIS instrument, described wiring diagram layer is converted to Shapefile form;
Load the wiring diagram layer of described Shapefile form, generate the circuit network of described grid equipment.
5. the grid equipment network analysis system based on SpatiaLite database, is characterized in that, comprising:
Network analysis model builds module, for building network analysis model at SpatiaLite database;
Circuit network generation module, for obtaining the wiring diagram layer of default grid equipment, generates the circuit network of grid equipment according to described wiring diagram layer;
Network analysis model update module, for reading the attribute information of described circuit network, is inserted into described network analysis model by described attribute information, obtains the network analysis model after upgrading;
Constructing network topology module, for according to the network analysis model after described renewal, builds the network topology of described grid equipment at SpatiaLite database;
Nework analysis module, in the time receiving network analysis instruction, calls described network topology, carries out network analysis according to described network analysis instruction.
6. the grid equipment network analysis system based on SpatiaLite database according to claim 5, it is characterized in that, described network analysis model comprises id field, the start node field of grid equipment and the terminal node field of grid equipment of default grid equipment;
Described network analysis model update module is also for every circuit reading described circuit network, the ID property value of described circuit is inserted into described id field, the starting point property value of described circuit is inserted into described start node field, the terminal attribute value of described circuit is inserted into described terminal node field, obtains the network analysis model after described renewal.
7. the grid equipment network analysis system based on SpatiaLite database according to claim 5, it is characterized in that, in described network analysis model, also comprise default device type field, name field, length field, weighted value field, type field and graphics field.
8. the grid equipment network analysis system based on SpatiaLite database according to claim 5, it is characterized in that, described circuit network generation module also for: described wiring diagram layer is imported to ArcGIS instrument, in ArcGIS instrument, described wiring diagram layer is converted to Shapefile form, load the wiring diagram layer of described Shapefile form, generate the circuit network of described grid equipment.
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| CN106940706A (en) * | 2016-01-05 | 2017-07-11 | 施耐德电气美国股份有限公司 | The system and method for creating the geographical space network model in simultaneously managing customer environment |
| CN106940706B (en) * | 2016-01-05 | 2023-03-10 | 施耐德电气美国股份有限公司 | System and method for creating and managing geospatial network models in a customer environment |
| US11627199B2 (en) | 2016-01-05 | 2023-04-11 | Schneider Electric USA, Inc. | System and methods for creating a geospatial network model in a client environment |
| CN108536446A (en) * | 2018-04-19 | 2018-09-14 | 四川师范大学 | A kind of Spatialite spatial database encryption methods based on android system |
| CN113010570A (en) * | 2021-03-11 | 2021-06-22 | 南方电网数字电网研究院有限公司 | Power grid equipment vector data query method and device, computer equipment and medium |
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Application publication date: 20141210 |