A method and terminal for updating power grid slices

Abstract

The present invention discloses a method and a terminal for updating power grid slices, which obtain change records of power grid equipment, merge sliced ​​geographic blocks of the change records using a pyramid slice algorithm, and obtain index change data of the sliced ​​geographic blocks; wherein a display layer can be determined according to the sliced ​​geographic blocks, and slice data associated with power grid equipment data before and after the change can be calculated in real time according to the index change data and the display layer, so as to obtain incremental slice data; according to a file storage model of the pyramid algorithm, an incremental slice file is generated from the incremental slice data, and the power grid slice is updated based on the incremental slice file, thereby dynamically and online completing the generation and push of vector slice files, realizing online update of slice map services, solving the problem that the previous slice map services need to regularly perform offline slicing and publishing according to the latest full power grid data, and realizing real-time update of power grid slice files.

Description

Technical Field

[0001] The present invention relates to the technical field of geographic information systems, and in particular to a method and terminal for updating power grid slices. Background Art

[0002] At present, the power grid GIS (Geographic Information System) platform has realized the offline slicing processing and slicing publishing service technology of power grid data, and supports the organization and rendering of power grid vector slices on the Web and mobile terminals, presenting users with the grid graphic visualization capability of a single map of the power grid.

[0003] Based on the scale of power grid data in each province, the processing of power grid map vector slice files requires data import, slice scheme configuration, style configuration, slice file generation, slice file and publishing service deployment.

[0004] The current technical approach has the following problems:

[0005] First, the production and release of power grid map vector slice files are carried out offline. Only after the power grid map vector slice files are generated and deployed in conjunction with the map publishing service can they be browsed and accessed online;

[0006] Second, the production cycle of the grid map vector slice file is relatively long. Different power companies in different provinces and grids need 2-5 working days to complete the generation of the full grid map vector slice file, depending on the amount of grid equipment data and geographical scope.

[0007] Third, the power grid data changes frequently, and the production of power grid map vector slice files needs to be regularly re-produced and re-published according to different time periods, such as quarterly or annual overall updates;

[0008] Fourth, users have high requirements for the timeliness of power grid map data. They need to update the corresponding power grid map vector slice files in quasi-real time after the power grid equipment data changes, and complete the quasi-real-time update of power grid graphics on the Web and mobile terminals. Summary of the invention

[0009] The technical problem to be solved by the present invention is to provide a method and terminal for updating power grid slices, which can realize real-time updating of power grid slice files.

[0010] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0011] A method for updating a power grid slice comprises the steps of:

[0012] Acquire the change records of power grid equipment in real time, merge the sliced ​​geographic blocks of the change records using the pyramid slicing algorithm, and acquire the index change data of the sliced ​​geographic blocks;

[0013] Determine a display layer according to the sliced ​​geographic block, and obtain incremental slice data based on the index change data and the display layer;

[0014] According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

[0015] In order to solve the above technical problems, another technical solution adopted by the present invention is:

[0016] A power grid slice update terminal includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the following steps when executing the computer program:

[0017] Acquire the change records of power grid equipment in real time, merge the sliced ​​geographic blocks of the change records using the pyramid slicing algorithm, and acquire the index change data of the sliced ​​geographic blocks;

[0018] Determine a display layer according to the sliced ​​geographic block, and obtain incremental slice data based on the index change data and the display layer;

[0019] According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

[0020] The beneficial effects of the present invention are: obtaining change records of power grid equipment, merging sliced ​​geographic blocks of change records using a pyramid slicing algorithm, and obtaining index change data of the sliced ​​geographic blocks; wherein a display layer can be determined according to the sliced ​​geographic blocks, and slice data associated with power grid equipment data before and after the change can be calculated in real time according to the index change data and the display layer, so as to obtain incremental slice data; according to a file storage model of the pyramid algorithm, an incremental slice file is generated from the incremental slice data, and the power grid slice is updated based on the incremental slice file, thereby dynamically and online completing the generation and push of vector slice files, realizing online update of slice map services, solving the problem that previous slice map services need to regularly perform offline slicing and publishing based on the latest full power grid data, and realizing real-time update of power grid slice files. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A flowchart of a method for updating a power grid slice according to an embodiment of the present invention;

[0022] Figure 2A schematic diagram of an update terminal for a power grid slice according to an embodiment of the present invention;

[0023] Figure 3 A flowchart of specific steps of a method for updating a power grid slice according to an embodiment of the present invention;

[0024] Figure 4 A module diagram of a method for updating a grid slice according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in combination with the implementation modes and the accompanying drawings.

[0026] Please refer to Figure 1 , Figure 3 and Figure 4 , an embodiment of the present invention provides a method for updating a power grid slice, comprising the steps of:

[0027] Acquire the change records of power grid equipment in real time, merge the sliced ​​geographic blocks of the change records using the pyramid slicing algorithm, and acquire the index change data of the sliced ​​geographic blocks;

[0028] Determine a display layer according to the sliced ​​geographic block, and obtain incremental slice data based on the index change data and the display layer;

[0029] According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

[0030] From the above description, it can be seen that the beneficial effects of the present invention are: obtaining change records of power grid equipment, using a pyramid slicing algorithm to merge the sliced ​​geographic blocks of the change records, and obtaining index change data of the sliced ​​geographic blocks; wherein the display layer can be determined according to the sliced ​​geographic blocks, and the slice data associated with the power grid equipment data before and after the change can be calculated in real time according to the index change data and the display layer, so as to obtain incremental slice data; according to the file storage model of the pyramid algorithm, an incremental slice file is generated from the incremental slice data, and the power grid slice is updated based on the incremental slice file, thereby dynamically and online completing the generation and push of vector slice files, realizing the online update of slice map services, solving the problem that the previous slice map services need to be regularly cut and published offline according to the latest full power grid data, and realizing the real-time update of power grid slice files.

[0031] Furthermore, the real-time acquisition of the change record of the power grid equipment includes:

[0032] Extracting the spatial coordinates of the changed device according to the change record;

[0033] An incremental update rule is obtained, and the spatial coordinates of all the changed devices are stored according to the update time of the incremental update rule.

[0034] From the above description, it can be seen that by extracting the spatial coordinates of the changed equipment based on the real-time acquired power grid equipment change records, the change coordinate set can be extracted; through the acquired incremental update rules, the spatial coordinates of all changed equipment are stored according to the update time in the rules, so as to facilitate the subsequent update of the power grid slice file based on the sorted change coordinate set.

[0035] Furthermore, the step of merging the sliced ​​geographic blocks of the change record using a pyramid slicing algorithm and obtaining index change data of the sliced ​​geographic blocks includes:

[0036] Obtaining a sliced ​​geographical block of the changed device according to the spatial coordinates of the changed device;

[0037] Calculate and merge the sliced ​​geographic blocks associated with the changed devices corresponding to all the change records according to the pyramid slicing algorithm;

[0038] The index change data is obtained according to the scale of the sliced ​​geographic block.

[0039] From the above description, it can be seen that by using the pyramid slicing algorithm to calculate and merge the sliced ​​geographic blocks associated with the corresponding change devices of all change records, the index change data can be obtained according to the scale of the sliced ​​geographic blocks; through the calculation of the slice index, the repeated update and generation of the slice file can be reduced in the future, and the performance of incremental update can be improved.

[0040] Further, determining a display layer according to the sliced ​​geographic block, and obtaining incremental slice data based on the index change data and the display layer includes:

[0041] Calculating device display layer information within the geographic area according to the level ratio information of the sliced ​​geographic area;

[0042] Calculate spatial information within the geographic area according to the index change data of the sliced ​​geographic block, and load incremental power grid equipment data within the geographic area according to the spatial information and the display layer information;

[0043] Incremental slice data is obtained according to the incremental power grid equipment data.

[0044] From the above description, it can be seen that according to the hierarchical scale information of the sliced ​​geographic block, the device display layer information of the geographic area is calculated, so that the style of the incremental slice can be matched; according to the sliced ​​geographic block index information, the spatial information of the geographic area is calculated, and the incremental power grid equipment data is loaded according to the spatial information and the display layer, so as to realize the loading of incremental slice data and facilitate the subsequent generation of incremental slice files.

[0045] Furthermore, the file storage model of the pyramid algorithm is used to generate an incremental slice file from the incremental slice data, and updating the power grid slice based on the incremental slice file includes:

[0046] According to the file storage model of the map pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the incremental slice file is stored according to a preset directory index to obtain a power grid slice file;

[0047] The grid slicing file is published and updated.

[0048] From the above description, it can be seen that based on the change index of the incremental slice file, the power grid slice file is dynamically generated, the generation and push of the power grid slice are completed online, and the online update of the slice map service is realized, thereby realizing the real-time update of the power grid slice file.

[0049] Please refer to Figure 2 Another embodiment of the present invention provides an update terminal for a power grid slice, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the following steps when executing the computer program:

[0050] Acquire the change records of power grid equipment in real time, merge the sliced ​​geographic blocks of the change records using the pyramid slicing algorithm, and acquire the index change data of the sliced ​​geographic blocks;

[0051] Determine a display layer according to the sliced ​​geographic block, and obtain incremental slice data based on the index change data and the display layer;

[0052] According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

[0053] Furthermore, the real-time acquisition of the change record of the power grid equipment includes:

[0054] Extracting the spatial coordinates of the changed device according to the change record;

[0055] An incremental update rule is obtained, and the spatial coordinates of all the changed devices are stored according to the update time of the incremental update rule.

[0056] From the above description, it can be seen that by extracting the spatial coordinates of the changed equipment based on the real-time acquired power grid equipment change records, the change coordinate set can be extracted; through the acquired incremental update rules, the spatial coordinates of all changed equipment are stored according to the update time in the rules, so as to facilitate the subsequent update of the power grid slice file based on the sorted change coordinate set.

[0057] Furthermore, the step of merging the sliced ​​geographic blocks of the change record using a pyramid slicing algorithm and obtaining index change data of the sliced ​​geographic blocks includes:

[0058] Obtaining a sliced ​​geographical block of the changed device according to the spatial coordinates of the changed device;

[0059] Calculate and merge the sliced ​​geographic blocks associated with the changed devices corresponding to all the change records according to the pyramid slicing algorithm;

[0060] The index change data is obtained according to the scale of the sliced ​​geographic block.

[0061] From the above description, it can be seen that by using the pyramid slicing algorithm to calculate and merge the sliced ​​geographic blocks associated with the corresponding change devices of all change records, the index change data can be obtained according to the scale of the sliced ​​geographic blocks; through the calculation of the slice index, the repeated update and generation of the slice file can be reduced in the future, and the performance of incremental update can be improved.

[0062] Further, determining a display layer according to the sliced ​​geographic block, and obtaining incremental slice data based on the index change data and the display layer includes:

[0063] Calculating device display layer information within the geographic area according to the level ratio information of the sliced ​​geographic area;

[0064] Calculate spatial information within the geographic area according to the index change data of the sliced ​​geographic block, and load incremental power grid equipment data within the geographic area according to the spatial information and the display layer information;

[0065] Incremental slice data is obtained according to the incremental power grid equipment data.

[0066] From the above description, it can be seen that according to the hierarchical scale information of the sliced ​​geographic block, the device display layer information of the geographic area is calculated, so that the style of the incremental slice can be matched; according to the sliced ​​geographic block index information, the spatial information of the geographic area is calculated, and the incremental power grid equipment data is loaded according to the spatial information and the display layer, so as to realize the loading of incremental slice data and facilitate the subsequent generation of incremental slice files.

[0067] Furthermore, the file storage model of the pyramid algorithm is used to generate an incremental slice file from the incremental slice data, and updating the power grid slice based on the incremental slice file includes:

[0068] According to the file storage model of the map pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the incremental slice file is stored according to a preset directory index to obtain a power grid slice file;

[0069] The grid slicing file is published and updated.

[0070] From the above description, it can be seen that based on the change index of the incremental slice file, the power grid slice file is dynamically generated, the generation and push of the power grid slice are completed online, and the online update of the slice map service is realized, thereby realizing the real-time update of the power grid slice file.

[0071] The above-mentioned method and terminal for updating power grid slices of the present invention are suitable for completing the update of power grid map vector slice files in real time in a geographic information system, and are described below through specific implementation methods:

[0072] Embodiment 1

[0073] Please refer to Figure 1 , Figure 3 and Figure 4 , a method for updating a power grid slice, comprising the steps of:

[0074] S1. Obtain change records of power grid equipment in real time, use a pyramid slicing algorithm to merge the sliced ​​geographic blocks of the change records, and obtain index change data of the sliced ​​geographic blocks.

[0075] The real-time acquisition of the change records of the power grid equipment includes:

[0076] Extracting the spatial coordinates of the changed device according to the change record;

[0077] An incremental update rule is obtained, and the spatial coordinates of all the changed devices are stored according to the update time of the incremental update rule.

[0078] For details, please refer to Figure 4 The power grid data management service provides the ability to manage the change information of power grid data, and meets the change data query based on time period, so as to obtain the power grid operation data and power grid editing data in real time, obtain the change record of power grid equipment, and realize power grid data management and data change identification;

[0079] According to the change records of power grid equipment, the spatial coordinates of the changed equipment are extracted, including the spatial coordinates before and after the change. According to the acquired incremental task algorithm rules, the storage of all changed equipment coordinate sets within a task cycle is completed.

[0080] The step of merging the sliced ​​geographic blocks of the change record using a pyramid slicing algorithm and obtaining index change data of the sliced ​​geographic blocks includes:

[0081] Obtaining a sliced ​​geographic block of the changed device according to the spatial coordinates of the changed device;

[0082] Calculate and merge the sliced ​​geographic blocks associated with the changed devices corresponding to all the change records according to the pyramid slicing algorithm;

[0083] The index change data is obtained according to the scale of the sliced ​​geographic block.

[0084] Specifically, in this embodiment, the sliced ​​geographic block of the changed device is obtained according to the spatial coordinates of the changed device; according to the pyramid slicing algorithm, the sliced ​​geographic blocks associated with all changed devices are calculated and merged, and the change status marking of the sliced ​​geographic block index at different scales is completed.

[0085] S2. Determine a display layer according to the sliced ​​geographic block, and obtain incremental slice data based on the index change data and the display layer.

[0086] wherein, according to the level ratio information of the sliced ​​geographical block, the device display layer information in the geographical area is calculated;

[0087] Calculate spatial information within the geographic area according to the index change data of the sliced ​​geographic block, and load incremental power grid equipment data within the geographic area according to the spatial information and the display layer information;

[0088] Incremental slice data is obtained according to the incremental power grid equipment data.

[0089] Specifically, according to the hierarchical ratio information of the sliced ​​geographic block, the device display layer information of the geographic area is calculated to achieve the matching of the incremental slice style; according to the sliced ​​geographic block index information, the spatial information of the geographic area is calculated, and the latest power grid equipment data in the area is loaded according to the spatial information and the display layer to achieve the loading of incremental slice data.

[0090] Among them, the power grid data information extracted from the sliced ​​geographical blocks is encrypted and compressed.

[0091] S3. According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

[0092] Among them, according to the file storage model of the map pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the incremental slice file is stored according to a preset directory index to obtain a power grid slice file, and then the power grid slice file is published and updated.

[0093] Specifically, according to the file storage model of the map pyramid algorithm, the incremental slice file is generated, and the grid slice file is stored according to the specified file directory index. The grid slice file is updated and monitored, and the updated grid slice file is pushed to the slice map publishing service; based on the grid slice publishing service, the grid slice is updated and versioned in real time. The terminal automatically detects the version of the slice file and automatically updates and synchronizes the terminal cache.

[0094] Therefore, based on the equipment change management and historical data management of the power grid GIS platform, the power grid change data is analyzed in real time and dynamically, and the pyramid model algorithm and power grid map display solution are used to calculate the power grid map vector slice file identifiers associated with the power grid data before and after the change in real time; at the same time, incremental task algorithm rules are constructed to support quasi-real-time and daily update modes, realize the online generation and online push of power grid map vector slices, meet the quasi-real-time update of power grid graphics on the Web and mobile terminals, improve user experience, and meet the timeliness requirements of power grid graphics.

[0095] Embodiment 2

[0096] The difference between this embodiment and the first embodiment is that a specific application scenario is provided, specifically:

[0097] In an optional application scenario, in the equipment management and marketing major of the State Grid Corporation, according to the actual business needs such as line commissioning or modification, new substation commissioning, substation splitting, and medium and low voltage user business expansion and registration, equipment graphic modeling and maintenance work based on the power grid GIS platform is carried out. When the power grid equipment maintenance is completed and released, the abnormal changes of the power grid equipment data are generated. According to the power grid equipment change information, combined with the online dynamic incremental update technology of vector slices based on power grid spatial data, the cache update of the power grid slice map publishing service and the power grid display update of the web and mobile maps can be completed in quasi-real time, meeting the data accuracy and timeliness of browsing, querying and analyzing the power grid map.

[0098] In another optional application scenario, in the data integration work of the State Grid Corporation, the data quality of the distribution network and marketing power grid equipment is the focus. In view of the consistency and accuracy of system data with the real power grid, verification and governance are the normal work of the current distribution and integration tasks. Through the analysis and verification of problem data, rapid maintenance and rectification of distribution data problems, combined with the online dynamic incremental update technology of vector slices based on power grid spatial data, the effect of power grid data governance can be presented in real time, and the quality of data governance work can be verified.

[0099] Embodiment 3

[0100] Please refer to Figure 2, a power grid slice update terminal includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements each step of the power grid slice update method of embodiment one or embodiment two when executing the computer program.

[0101] In summary, the present invention provides a method and terminal for updating power grid slices, which obtains change records of power grid equipment, merges sliced ​​geographic blocks of change records using a pyramid slice algorithm, and obtains index change data of sliced ​​geographic blocks; wherein a display layer can be determined according to the sliced ​​geographic block, and slice data associated with power grid equipment data before and after the change can be calculated in real time according to the index change data and the display layer, so as to obtain incremental slice data. Therefore, based on the record of power grid equipment changes and in combination with a slice pyramid model algorithm, calculation and merging of vector slice indexes to be updated can be realized, repeated updates and generation of slice files can be reduced, and the performance of incremental updates can be improved; according to the file storage model of the pyramid algorithm, incremental slice files are generated from incremental slice data, and power grid slices are updated based on the incremental slice files, thereby dynamically and online completing the generation and push of vector slice files, realizing online update of slice map services, solving the problem that previous slice map services need to be regularly cut and published offline according to the latest full power grid data, and realizing real-time update of power grid slice files.

[0102] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for updating a power grid slice, characterized in that: Includes steps: Acquire the change records of power grid equipment in real time, merge the sliced ​​geographic blocks of the change records using the pyramid slicing algorithm, and acquire the index change data of the sliced ​​geographic blocks; Determining a display layer according to the sliced ​​geographic block, and obtaining incremental slice data based on the index change data and the display layer, including: Calculating device display layer information within the geographic area according to the level ratio information of the sliced ​​geographic area; Calculate spatial information within the geographic area according to the index change data of the sliced ​​geographic block, and load incremental power grid equipment data within the geographic area according to the spatial information and the display layer information; Obtaining incremental slice data according to the incremental power grid equipment data; According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

2. A method for updating a power grid slice according to claim 1, characterized in that: The real-time acquisition of the change record of the power grid equipment includes: Extracting the spatial coordinates of the changed device according to the change record; An incremental update rule is obtained, and the spatial coordinates of all the changed devices are stored according to the update time of the incremental update rule.

3. A method for updating a power grid slice according to claim 2, characterized in that: The step of merging the sliced ​​geographic blocks of the change record using a pyramid slicing algorithm and obtaining index change data of the sliced ​​geographic blocks includes: Obtaining a sliced ​​geographical block of the changed device according to the spatial coordinates of the changed device; Calculate and merge the sliced ​​geographic blocks associated with the changed devices corresponding to all the change records according to the pyramid slicing algorithm; The index change data is obtained according to the scale of the sliced ​​geographic block.

4. A method for updating a power grid slice according to claim 1, characterized in that: The step of generating an incremental slice file from the incremental slice data according to the file storage model of the pyramid algorithm, and updating the power grid slice based on the incremental slice file includes: According to the file storage model of the map pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the incremental slice file is stored according to a preset directory index to obtain a power grid slice file; The grid slicing file is published and updated.

5. A power grid slice update terminal, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the following steps are implemented: Acquire the change records of power grid equipment in real time, merge the sliced ​​geographic blocks of the change records using the pyramid slicing algorithm, and acquire the index change data of the sliced ​​geographic blocks; Determining a display layer according to the sliced ​​geographic block, and obtaining incremental slice data based on the index change data and the display layer, including: Calculating device display layer information within the geographic area according to the level ratio information of the sliced ​​geographic area; Calculate spatial information within the geographic area according to the index change data of the sliced ​​geographic block, and load incremental power grid equipment data within the geographic area according to the spatial information and the display layer information; Obtaining incremental slice data according to the incremental power grid equipment data; According to the file storage model of the pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the power grid slice is updated based on the incremental slice file.

6. The update terminal for power grid slice according to claim 5, characterized in that: The real-time acquisition of the change record of the power grid equipment includes: Extracting the spatial coordinates of the changed device according to the change record; An incremental update rule is obtained, and the spatial coordinates of all the changed devices are stored according to the update time of the incremental update rule.

7. The update terminal for power grid slice according to claim 6, characterized in that: The step of merging the sliced ​​geographic blocks of the change record using a pyramid slicing algorithm and obtaining index change data of the sliced ​​geographic blocks includes: Obtaining a sliced ​​geographical block of the changed device according to the spatial coordinates of the changed device; Calculate and merge the sliced ​​geographic blocks associated with the changed devices corresponding to all the change records according to the pyramid slicing algorithm; The index change data is obtained according to the scale of the sliced ​​geographic block.

8. The update terminal for power grid slice according to claim 5, characterized in that: The step of generating an incremental slice file from the incremental slice data according to the file storage model of the pyramid algorithm, and updating the power grid slice based on the incremental slice file includes: According to the file storage model of the map pyramid algorithm, the incremental slice data is used to generate an incremental slice file, and the incremental slice file is stored according to a preset directory index to obtain a power grid slice file; The grid slicing file is published and updated.

Images