CN108334649A - A kind of underground electric pipe network crossed section analysis method for early warning based on GIS platform - Google Patents
A kind of underground electric pipe network crossed section analysis method for early warning based on GIS platform Download PDFInfo
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- CN108334649A CN108334649A CN201810439510.7A CN201810439510A CN108334649A CN 108334649 A CN108334649 A CN 108334649A CN 201810439510 A CN201810439510 A CN 201810439510A CN 108334649 A CN108334649 A CN 108334649A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
Invention provides a kind of underground electric pipe network crossed section analysis method for early warning based on GIS platform, obtains pipe network equipment data；Establish pipe network equipment figure layer；Draw pipeline cross-sectional line；Obtain the cross-section face data of pipeline；It draws and reference axis marks；Draw the cross section of pipeline；Analysis conduit information；It based on pipeline attribute information, obtains pore number and occupies number, calculate pipeline occupancy, early warning mechanism is provided for the higher pipeline of occupancy.Using the spatial data management and spatial analysis functions of GIS platform, the cross-section face data of underground electric pipe network is deeply excavated, and cross section information is intuitively shown in a manner of visual, personnel provide assistant analysis and decision for administration of power networks.Underground electric pipe network cross section can intuitively reflect the spatial relationship between each pipeline in underground, be the basis of underground electric pipe network planning, have great directive significance to the planning and designing, laying, O＆M of underground power pipe net.
Description
Technical field
The present invention relates to the power grid GIS field of electric system more particularly to a kind of underground electric pipe networks based on GIS platform
Crossed section analysis method for early warning.
Background technology
Underground electric pipe network is the important component of infrastructure, is laid in the power pipe of underground, cable is handed in length and breadth
Mistake, it is not only hidden but also complicated.Electric power pipe network cross section is as connection pipe network two-phase with the important component in region, concentrated reflection
The weak link of pipe network has the safe and stable operation of electric power pipe network whether safety and stability and directly affects, typically pipe network
The emphasis that operation maintenance personnel is monitored and controlled.
With quickly propelling for electric network informationization work, GIS technology has been applied to underground electric pipe network information system at present
In system, by the distinctive spatial data managements of GIS and spatial analysis functions, it can be achieved that having the excavation of electric power pipe network information,
But the existing research degree about underground electric pipe network cross section is not high, practicability and early warning mechanism are weaker, restrict underground electricity
The development of solenoid net informationization.
Invention content
In order to overcome above-mentioned deficiency in the prior art, the present invention to provide a kind of underground electric pipe network based on GIS platform
Crossed section analysis method for early warning, method include：
Step 1：Obtain pipe network equipment data；
Step 2：Establish pipe network equipment figure layer；
Step 3：Draw pipeline cross-sectional line；
Step 4：Obtain the cross-section face data of pipeline；
Step 5：It draws and reference axis marks；
Step 6：Draw the cross section of pipeline；
Step 7：Analysis conduit information；
Step 8：Based on pipeline attribute information, obtains pore number and occupy number, pipeline occupancy is calculated, for occupancy
Higher pipeline provides early warning mechanism.
Preferably, step 1 further includes：Using the number of all types of equipment of Geodatabase Data Model Designing electric power pipe networks
According to structure, Geodatabase carrys out organizing geographic data with the data object of hierarchical structure；Electricity is stored with the format of Shapefile
Solenoid network data, Shapefile by space characteristics table non-topological geometric object and attribute information be stored in data set, use
The shape of point, line, polygon storage element.
Preferably, step 2 further includes：The all types of equipment figure layers of electric power pipe network are configured using ArcMap, realize adding for data
Add display, dragging figure layer that display order is set, figure layer the Symbol Style is set, and distinct device type is with distinct symbols color marking.
Preferably, step 3 further includes：Behind selection analysis position, with the position position reference plane of selection, ArcGIS is called to carry
The graphic plotting interface of confession needs to draw pipeline cross-sectional line in specified region according to pipe network component.
Preferably, step 4 further includes：Obtain intersecting point coordinate, pore line number columns, caliber, the pipeline of pipeline and cross section
Length, poling quantity, ground elevation, breakpoint pitch information.
Preferably, step 5 further includes：Pipeline breakpoint spacing, pipeline be buried, the gap of elevation difference between pipeline very
Greatly, the unit of the abscissa and ordinate in pipeline cross section carries out dynamic label placement according to the distance between height value and breakpoint.
Preferably, step 6 further includes：Cable channel and pipe therein are indicated in the form of rectangle nested circular symbol
Hole renders pore number, and according to pipeline breakpoint spacing and ground elevation, determines pipeline breakpoint drawing position in digital form
It sets.
Preferably, step 7 further includes：Based on pipeline cross section, the intersecting point coordinate and pipeline category of pipeline and cross section are obtained
Property information, the nearest work well of pipe ends connection is inquired on the basis of cross section, by work well spatial information, is calculated and analyzer tube
Road length.
Preferably, step 8 further includes：Pipeline cross section intuitively shows the distribution of pore, inquires pipeline attribute information, leads to
Pore number is crossed, pore number is occupied, occupies number, calculates pipeline occupancy, analysis conduit service condition, for the higher pipe of occupancy
Road provides early warning mechanism.
As can be seen from the above technical solutions, the present invention has the following advantages：
Underground electric pipe network crossed section analysis method for early warning based on GIS platform.Utilize the spatial data management of GIS platform
And spatial analysis functions, the cross-section face data of underground electric pipe network is deeply excavated, and intuitively show in a manner of visual cross-section
Face information, for administration of power networks, personnel provide assistant analysis and decision.Underground electric pipe network cross section can intuitively reflect that underground is each
Spatial relationship between pipeline is the basis of underground electric pipe network planning, planning and designing, laying, fortune to underground power pipe net
Dimension has great directive significance.
Based on the pore early warning that crossed section analysis generates, distribution and the service condition of pore can be intuitively shown, it is automatic to calculate
It auxiliarily descends power pipe network planning to draw for using more pipeline to provide early warning mechanism with analysis conduit service condition, is underground
The planning of electric power pipe network provides technical support.
Description of the drawings
In order to illustrate more clearly of technical scheme of the present invention, attached drawing needed in description will be made below simple
Ground introduction, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill
For personnel, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the underground electric pipe network crossed section analysis method for early warning flow chart based on GIS platform；
Fig. 2 is cross-section of pipeline pore distribution schematic diagram.
Specific implementation mode
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, it will use below specific
Embodiment and attached drawing, the technical solution protected to the present invention are clearly and completely described, it is clear that implementation disclosed below
Example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, the common skill in this field
All other embodiment that art personnel are obtained without making creative work belongs to the model of this patent protection
It encloses.
The present embodiment provides a kind of underground electric pipe network crossed section analysis method for early warning based on GIS platform, such as Fig. 1 institutes
Show, method includes：
S1：Obtain pipe network equipment data；
S2：Establish pipe network equipment figure layer；
S3：Draw pipeline cross-sectional line；
S4：Obtain the cross-section face data of pipeline；
S5：It draws and reference axis marks；
S6：Draw the cross section of pipeline；
S7：Analysis conduit information；
S8：Based on pipeline attribute information, obtains pore number and occupy number, calculate pipeline occupancy, it is higher for occupancy
Pipeline provide early warning mechanism.
Specifically, further including in step acquisition pipe network equipment data：Using Geodatabase Data Model Designing power pipes
The data structure of all types of equipment is netted, Geodatabase carrys out organizing geographic data with the data object of hierarchical structure；With
The format of Shapefile stores electric power pipe network data, and Shapefile is by the non-topological geometric object and attribute in space characteristics table
Information storage stores the shape of element with point, line, polygon in data set.
Step S2 further includes：The all types of equipment figure layers of electric power pipe network are configured using ArcMap, realize that the addition of data is shown,
It drags figure layer and display order is set, figure layer the Symbol Style is set, and distinct device type is with distinct symbols color marking.
Step S3 further includes：Behind selection analysis position, with the position position reference plane of selection, the figure for calling ArcGIS to provide
Interface is drawn, is needed to draw pipeline cross-sectional line in specified region according to pipe network component.
Step S4 further includes：It obtains the intersecting point coordinate of pipeline and cross section, pore line number columns, caliber, duct length, wear
Pipe quantity, ground elevation, breakpoint pitch information.
Step S5 further includes：Pipeline breakpoint spacing, pipeline be buried, elevation difference between pipeline has a long way to go, pipeline
The abscissa in cross section and the unit of ordinate carry out dynamic label placement according to the distance between height value and breakpoint.
Step S6 further includes：Cable channel and pore therein are indicated in the form of rectangle nested circular symbol, with number
The form of word renders pore number, and according to pipeline breakpoint spacing and ground elevation, determines pipeline breakpoint drawing position.
Step S7 further includes：Based on pipeline cross section, the intersecting point coordinate and pipeline attribute information of pipeline and cross section are obtained,
The nearest work well that pipe ends connection is inquired on the basis of cross section calculates simultaneously analysis conduit length by work well spatial information.
Step S8 further includes：Pipeline cross section intuitively shows the distribution of pore, inquires pipeline attribute information, passes through pore
Number occupies pore number, occupies number, calculates pipeline occupancy, and analysis conduit service condition is provided for the higher pipeline of occupancy
Early warning mechanism.
From step 1 to step 8, the underground electric pipe network crossed section analysis method for early warning based on GIS platform is formd, is led to
Piping is analyzed and pore early warning, can intuitively understand the relationship and pore service condition between pipeline present situation, pipeline, convenient
Administration of power networks personnel monitoring's grid operating conditions plan that business provides aid decision for underground electric pipe network.
Embodiment in order to further illustrate the present invention carries out expansion statement with a specific embodiment below.
The underground electric pipe network crossed section analysis method for early warning based on GIS platform in the present embodiment, includes the following steps：
Step 1：Pipe network device data is organized, using all types of equipment of Geodatabase Data Model Designing electric power pipe networks
Data structure, Geodatabase is the GML data storage model of object-oriented, carrys out tissue with the data object of hierarchical structure
Geodata, these data objects are stored in factor kind (Feature Classes), object class (Object Classes) sum number
According in collection (Feature Datasets).Electric power pipe network includes that cable channel, inspection shaft (work well), cable, cable direct-burried etc. are more
Kind device type, specific data structure is by taking cable channel as an example, including device numbering, latitude and longitude coordinates, starting termination Gong Jing, pipe
The fields such as hole rows ordered series of numbers number, irregular pore number, cross-wise direction, are shown in Table 1.
Table 1 electric power pipe network equipment (cable channel) data structure
Electric power pipe network data is stored with the format of Shapefile, and Shapefile is by the non-topological geometry in space characteristics table
Object and attribute information are stored in data set, including a series of phasor coordinate, supports dotted, linear and area pattern, face
Shape element is closed loop, and the common edge of two neighboring area pattern is to repeat picture twice, and distribution, which is stored in, to be belonged to
In the geometry of this area pattern, the common geometric type that Shapefile files are supported is shown in Table 2.
The common geometric type that table 2Shapefile files are supported
Step 2：Pipe network equipment figure layer is established, all types of equipment figure layers of electric power pipe network, addition are configured using ArcMap
Shapefile data and control show hidden, and display order is arranged with the sequence dragging figure layer of point, line, surface, figure layer symbol sample is arranged
Formula, for distinct device type with distinct symbols color marking, common symbol has class symbol (Unique Symbol), classification symbol
Number (Graduated Symbol), Ratio symbol (Proportional Symbol), composite symbol (Multivariate
The multiple types such as Symbol).
Step 3：Pipeline cross-sectional line is drawn, after user's selection needs analysis position, the face on the basis of the position of selection,
Threadlike graph is drawn by the DrawTool tools for calling ArcGIS to provide, linear object Polyline is by one or more phases
The ordered set of company or disjunct point composition.
Step 4：The cross-section face data of pipeline is obtained, the intersecting point coordinate in pipeline and cross section, pore line number columns, no are obtained
The information such as regular pore number, caliber, duct length, poling quantity, well quantity, conduit types, ground elevation, breakpoint spacing,
Most of information can be obtained directly from map or database, and ground elevation and breakpoint spacing are obtained by calculating.The ground of intersection point
Face elevation is calculated according to the coordinate and ground elevation of pipeline；Pipeline breakpoint spacing, passes through intersecting point coordinate, ground elevation and pipe
Road buried depth is calculated.
The acquisition of profile data is exactly the traversal analysis to pipeline figure layer and figure layer element, is included the following steps：
(1) on the basis of painted cross-sectional line, traversal search is carried out to selected pipe network equipment figure layer, obtains section line and pipe
All duct sections of road intersection.
(2) all intersecting point coordinates of the cross-sectional line of acquisition and pipeline are formed into intersecting point coordinate sequence, and to all intersection points
It is numbered in order to extract.
(3) according to the duct section obtained, the pipe number corresponding to each duct section is inquired from database
(pipeId), conduit types (pipeType), duct length (pipeLength), caliber (pipeDiameter), poling quantity
(tubesNum), the attribute informations such as well quantity (wellNum).
(4) pipeline object is defined, pipeline attribute information is stored, pipeline object is as follows：
Step 5：It draws and reference axis mark, pipeline breakpoint spacing, pipeline be buried, the difference of elevation difference between pipeline
Away from very greatly, if the unit of ordinate and abscissa is consistent with engineer's scale when drawing cross section, the elevation difference between pipeline is just
It is difficult to differentiate, the desired effect of analysis is not achieved, therefore the unit of the abscissa in pipeline cross section and ordinate should be according to elevation
The distance between value and breakpoint carry out dynamic label placement.Reference axis dynamic label placement method is as follows：
Axis of abscissas is segmented according to calculated pipeline breakpoint spacing (pipeBreakPointSpacing), is provided with
Spacing minimum value (max) and maximum value (min), (max when pipeline breakpoint spacing is between minimum value and maximum value>
pipeBreakPointSpacing>Min), its spacing presses 1:1 scale segment is less than minimum value (min>
PipeBreakPointSpacing it) presses minimum value (min) to be segmented, is more than maximum value (pipeBreakPointSpacing>max)
It is segmented by maximum value (max).In axis of ordinates, determine that grade is carved according to the most value of the buried information of the pipeline obtained from database
Degree.
Step 6：The cross section for drawing pipeline indicates cable channel and wherein in the form of rectangle nested circular symbol
Pore, and in digital form render pore number, then according to the distance between pipeline breakpoint and pipeline breakpoint elevation it is true
Position of the fixed tube road breakpoint in cross-section diagram, and pipeline interface dimensions are determined according to the caliber of pipeline, as shown in Figure 2.
Step 7：Pipeline analysis is based on pipeline cross section, and the intersecting point coordinate and pipeline attribute for obtaining pipeline and cross section are believed
Breath inquires the nearest work well of pipe ends connection on the basis of cross section, by work well spatial information, calculates simultaneously analyzer tube Taoist priest
Degree.
Step 8：Pore early warning, pipeline cross section intuitively show the distribution of pore, inquire pipeline attribute information, pass through pipe
Hole count occupies pore number, occupies number, calculates pipeline occupancy, analysis conduit service condition is carried for the higher pipeline of occupancy
For early warning mechanism, include the following steps：
(1) it is based on pipeline cross section, inquires cable channel (GEOGRAPHY_GEO_CCAB) attribute information, including pore row
The attribute datas such as number (pipeHoleRowNum), pore columns (pipeHoleColumnNum), pipe number (pipeId), and
It is stored in pipeline object, pipeline object definition is shown in step 4.
(2) according to pipe number (pipeId), pipeline is inquired by cut cable (GEOGRAPHY_GEO_CABL) tables of data
Including cut cable attribute information set, include cable segment number (cablId), occupy pore number/support number
(pipeHoleNum) etc. attribute datas, in the form of cut cable object in storage to set, cut cable object definition is referring to step
Four.
(3) summarize the occupied pore number of cut cable (pipeHoleNum), obtain all pores number occupied
(pipeHoleNums), and calculating has occupied pore sum (pipeHoleOccupyTotal).Pass through the pore in pipeline attribute
Line number (pipeHoleRowNum) and pore columns (pipeHoleColumnNum) calculate pore sum (pipeHoleTotalN
Um), calculation formula pipeHoleTotalNum=pipeHoleRowNum × pipeHoleColumnNum.
(4) the pore sum (pipeHoleTotalNum) and occupied pore number (pipeHoleOccup that basis has obtained
YTotal), pore occupancy (pipeHoleOccupyRate), calculation formula pipeHoleOccupyRate=are calculated
pipeHoleOccupyTotal/pipeHoleTotalNum×100。
(5) according to the pore early warning critical value (pipeHoleWarningNum) being arranged, judge itself and pore occupancy
(pipeHoleOccupyRate) size, if pore occupancy is more than pore early warning critical value (pipeHoleOccupyRat
e>PipeHoleWarningNum), pore occupancy is higher, provides pore early warning.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of underground electric pipe network crossed section analysis method for early warning based on GIS platform, which is characterized in that method includes：
Step 1：Obtain pipe network equipment data；
Step 2：Establish pipe network equipment figure layer；
Step 3：Draw pipeline cross-sectional line；
Step 4：Obtain the cross-section face data of pipeline；
Step 5：It draws and reference axis marks；
Step 6：Draw the cross section of pipeline；
Step 7：Analysis conduit information；
Step 8：Based on pipeline attribute information, obtains pore number and occupy number, calculate pipeline occupancy, it is higher for occupancy
Pipeline provide early warning mechanism.
2. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 1 further includes：Using the data structure of all types of equipment of Geodatabase Data Model Designing electric power pipe networks,
Geodatabase carrys out organizing geographic data with the data object of hierarchical structure；Power pipe netting index is stored with the format of Shapefile
According to, Shapefile by space characteristics table non-topological geometric object and attribute information be stored in data set, with point, line, more
The shape of side shape storage element.
3. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 2 further includes：The all types of equipment figure layers of electric power pipe network are configured using ArcMap, realize that the addition of data is shown, are dragged
Display order is arranged in figure layer, figure layer the Symbol Style is arranged, distinct device type is with distinct symbols color marking.
4. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 3 further includes：Behind selection analysis position, with the position position reference plane of selection, the graphic plotting for calling ArcGIS to provide
Interface needs to draw pipeline cross-sectional line in specified region according to pipe network component.
5. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 4 further includes：Obtain intersecting point coordinate, pore line number columns, caliber, duct length, the poling number of pipeline and cross section
Amount, ground elevation, breakpoint pitch information.
6. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 5 further includes：Pipeline breakpoint spacing, pipeline be buried, elevation difference between pipeline has a long way to go, and pipeline is cross-section
The abscissa in face and the unit of ordinate carry out dynamic label placement according to the distance between height value and breakpoint.
7. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 6 further includes：Cable channel and pore therein are indicated in the form of rectangle nested circular symbol, with number
Form renders pore number, and according to pipeline breakpoint spacing and ground elevation, determines pipeline breakpoint drawing position.
8. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 7 further includes：Based on pipeline cross section, the intersecting point coordinate and pipeline attribute information of pipeline and cross section are obtained, with cross
The nearest work well that pipe ends connection is inquired on the basis of section calculates simultaneously analysis conduit length by work well spatial information.
9. the underground electric pipe network crossed section analysis method for early warning according to claim 1 based on GIS platform, feature exist
In,
Step 8 further includes：Pipeline cross section intuitively shows the distribution of pore, inquires pipeline attribute information, by pore number, accounts for
With pore number, number is occupied, calculates pipeline occupancy, analysis conduit service condition provides early warning for the higher pipeline of occupancy
Mechanism.
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