CN114018205B - Method and system for measuring green and dead area of power line - Google Patents
Method and system for measuring green and dead area of power line Download PDFInfo
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- CN114018205B CN114018205B CN202111371456.5A CN202111371456A CN114018205B CN 114018205 B CN114018205 B CN 114018205B CN 202111371456 A CN202111371456 A CN 202111371456A CN 114018205 B CN114018205 B CN 114018205B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/28—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring areas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention relates to the technical field of electric power green claim, and discloses a method and a system for measuring green claim area of an electric power circuit. Thereby improving the accuracy of area calculation and reducing the measurement difficulty.
Description
Technical Field
The invention relates to the technical field of electric power green claims, in particular to a method and a system for measuring the green claim area of an electric power circuit.
Background
The construction of the transmission line mainly relates to tower footing, tower footing construction, construction channels, paying-off channels, running channels, stretching fields and the like, the occupied forest land is required to be marked, although the transmission line engineering has complete engineering design system, the line overhead construction and measurement methods are different, so that the occupied forest land is different, and the accuracy of the field measurement mainly through a range finder and a tape is low at present; the terrain has a large influence on measurement: the field is in a region which is difficult to reach by people such as rivers, dense forests and the like, the measurement difficulty is quite high, and the accuracy is low.
Disclosure of Invention
The invention provides a method and a system for measuring a green and dead area of a power line, which solve the technical problems of high measurement difficulty and low accuracy.
In view of the above, the first aspect of the present invention provides a method for measuring a green area of an electric power line, comprising the steps of:
acquiring flight data obtained by inspection of the unmanned aerial vehicle along a line to be detected, wherein the flight data comprises flight length and flight height difference;
comparing the flying height difference with a preset height difference threshold value, and determining the landform characteristics of the propagation path of the line to be detected according to the comparison result, wherein the landform characteristics comprise mountain areas and plain areas;
and matching a corresponding area measurement model in a preset area measurement database according to the landform features, and calculating the green claim area of the line to be measured according to the matched area measurement model, wherein the preset area measurement database comprises the mapping relation between the landform features and the area measurement model.
Preferably, the method further comprises:
and the unmanned aerial vehicle is used for carrying out inspection along a line to be detected to obtain a field photo.
Preferably, the method further comprises:
when the landform feature is mountain land, dividing the line to be measured into n sections, acquiring the flight length of each section according to the flight length, acquiring the flight height difference of each section according to the flight height difference, calculating the green and dead area of the line to be measured according to the following formula 1,
in formula 1, S represents the green area, alpha represents the extension distance of the wire, i represents the ith section, S i Representing the projected length of the line of the ith section, S i Calculated according to the following formula 2:
in formula 2, ΔH i Representing the difference in flight level, ΔL, of the ith zone i Representing the flight length of the ith zone.
Preferably, the method further comprises:
when the landform characteristic is plain, calculating the green claim area of the line to be measured through the following formula 3,
s=2α×l 3
In formula 3, S represents a green area, α represents an outward extending distance of the wire, and L represents a flight length.
In a second aspect, the present invention also provides a system for measuring a green claim area of a power line, including:
the flight data acquisition module is used for acquiring flight data of the unmanned aerial vehicle, which is obtained by inspection along a line to be detected, wherein the flight data comprises flight length and flight height difference;
the landform feature module is used for comparing the flying height difference with a preset height difference threshold value, and determining the landform feature of the propagation path of the line to be detected according to the comparison result, wherein the landform feature comprises mountain land and plain land;
the area calculation module is used for matching a corresponding area measurement model in a preset area measurement database according to the landform features, calculating the green claim area of the line to be measured according to the matched area measurement model, and the preset area measurement database comprises the mapping relation between the landform features and the area measurement model.
Preferably, the system further comprises:
and the photo acquisition module is used for obtaining a field photo by the unmanned aerial vehicle through inspection along a line to be detected.
Preferably, the system further comprises:
a mountain area calculation module for dividing the line to be measured into n sections when the relief feature is mountain area, acquiring the flight length of each section according to the flight length, and acquiring the flight height difference of each section according to the flight height difference, calculating the green and claim area of the line to be measured according to the following formula 1,
in the formula 1, S represents a green area, alpha represents an outer extension distance of the wire, i represents an ith section, S i representing the projected length of the line of the ith section, S i Calculated according to the following formula 2:
in formula 2, ΔH i Representing the difference in flight level, ΔL, of the ith zone i Representing the flight length of the ith zone.
Preferably, the system further comprises:
the plain area calculation module is used for calculating the green claim area of the line to be measured through the following formula 3 when the landform characteristic is plain,
s=2α×l 3
In formula 3, S represents a green area, α represents an outward extending distance of the wire, and L represents a flight length.
In a third aspect, the present invention also provides a computer device comprising a memory storing a computer program and a processor implementing the steps of the method described above when the processor executes the computer program.
In a fourth aspect, the present invention also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method described above.
From the above technical scheme, the invention has the following advantages:
according to the invention, the flight data of the line to be detected is inspected by the unmanned aerial vehicle to obtain the flight height difference, the landform characteristics of the propagation path of the line to be detected are determined according to the flight height difference, and the green claim area of the line to be detected is calculated according to the matching of different landform characteristics with the corresponding area measurement model. Thereby improving the accuracy of area calculation and reducing the measurement difficulty.
Drawings
FIG. 1 is a flowchart of a method for measuring a green claim area of a power line according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a system for measuring green and dead areas of a power line according to an embodiment of the present invention.
Detailed Description
The construction of the transmission line mainly relates to tower footing, tower footing construction, construction channels, paying-off channels, running channels, stretching fields and the like, the occupied forest land is required to be marked, although the transmission line engineering has complete engineering design system, the line overhead construction and measurement methods are different, so that the occupied forest land is different, and the accuracy of the field measurement mainly through a range finder and a tape is low at present; the terrain has a large influence on measurement: the field is in a region which is difficult to reach by people such as rivers, dense forests and the like, the measurement difficulty is quite high, and the accuracy is low.
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For easy understanding, please refer to fig. 1, the method for measuring a green claim area of a power line provided by the invention comprises the following steps:
and 100, acquiring flight data of the unmanned aerial vehicle, wherein the flight data comprise flight length and flight height difference, and the flight data are obtained by inspection along a line to be detected.
It can be understood that the flight data of the unmanned aerial vehicle can be obtained by presetting a flight inspection path from one end of the line to be tested to the other end of the line to be tested.
The flying length can represent the total length of the line to be tested, and the flying height difference is obtained by adjusting the flying height according to the height difference between the unmanned aerial vehicle and the ground surface in the flying process of the unmanned aerial vehicle.
And 200, comparing the flying height difference with a preset height difference threshold value, and determining the landform characteristics of the propagation path of the line to be detected according to the comparison result, wherein the landform characteristics comprise mountain regions and plain regions.
In this embodiment, the preset height difference threshold is 0, that is, if the flight height difference is 0, the landform feature of the propagation path of the line to be measured is determined to be a plain, and if the flight height difference is greater than 0, the landform feature of the propagation path of the line to be measured is determined to be a mountain.
It should be noted that, this embodiment provides a method for measuring green claim area of an electric power line, which obtains a flight altitude difference by polling flight data of a line to be measured by an unmanned aerial vehicle, determines a landform feature of a propagation path of the line to be measured according to the flight altitude difference, and calculates the green claim area of the line to be measured according to different landform features matching corresponding area measurement models. Thereby improving the accuracy of area calculation and reducing the measurement difficulty.
In a specific embodiment, the method further comprises:
and (5) obtaining a field photo by inspection of the unmanned aerial vehicle along the line to be detected.
It can be appreciated that the landform features can be quickly obtained by obtaining a photograph of the line under test in the field.
In a specific embodiment, the method further comprises:
when the landform characteristic is mountain land, dividing the line to be measured into n sections, obtaining the flight length of each section according to the flight length, obtaining the flight height difference of each section according to the flight height difference, calculating the green and dead area of the line to be measured according to the following formula 1,
in formula 1, S represents the green area, and α represents the extension distance of the wireI represents the ith segment, S i Representing the projected length of the line of the ith section, S i Calculated according to the following formula 2:
in formula 2, ΔH i Representing the difference in flight level, ΔL, of the ith zone i Representing the flight length of the ith zone.
According to the electric power facility protection regulations, an overhead electric power line protection area is an area in which the side lines of wires extend outwards horizontally and are perpendicular to the ground, and the external extension distances of the wires with different voltages are 5m in the case that the external extension distances of the wires with the voltage level of 1-10 kV are the same; the external extension distance of the lead wire with the voltage level of 35-110 kV is 10m; the extension distance of the wires with the voltage level of 154-330 kV is 15m; the extension distance of the 500kV voltage level wire is 20m. For this purpose, the extension distance of the corresponding conductor can be correspondingly determined according to the actual voltage level of the line to be tested.
In a specific embodiment, the method further comprises:
when the landform characteristic is plain, the green claim area of the line to be measured is calculated through the following formula 3,
s=2α×l 3
In formula 3, S represents a green area, α represents an outward extending distance of the wire, and L represents a flight length.
The following is an example of the method for measuring the green area of the power line in combination with the present embodiment.
(1) Mountain green claim area calculation
Measuring the green and dead area of a 10kV line at a certain time, judging that the line flying height difference required to be measured is greater than 0 and is in mountain areas, dividing the line required to be measured into n sections, and respectively enabling the flying length of the unmanned aerial vehicle in each section to be L 1 、L 2 、……L i The flight height difference of each section is delta H 1 、ΔH 2 ……ΔH i According to the electric power facility protection regulations, an overhead power line protection area is a wire sideThe outer line extension distance of the wires with different voltages is 1-10 kV and 5m; 35-110 kV is 10m; 154-330 kV is 15m;500kV was 20m. Let us set the extension distance of the wire to be alpha according to the actual voltage level,
calculated according to the mountain green claim area S and the following formula 1.2:
wherein S is i Is the projection length of the ith mountain section line row. S is S i Calculated according to formula 1.3:
wherein, alpha is 5m, the whole line of the line is 5 by the number n of the subareas, and delta H 1 、ΔH 2 ......ΔH 5 The measured data are 6m, 5m, 8m, 4m, 3m and L respectively 1 、L 2 ......L 5 The measured data were 600m, 480m, 900m, 500m, 260m, respectively.
The calculation result shows that the method has the advantages of high accuracy,
by actual measurement, the calculated area is consistent with the actual area.
(2) Calculation of green claim area in flat area
To verify the effectiveness of the method of the invention, in-situ experiments were performed at work. The line flying height difference required to be measured is 0, and is judged to be a flat area, and according to electric power facility protection regulations, an overhead electric power line protection area is an area in which the wire side line extends outwards horizontally and is vertical to the ground, and the extension distance of the outer wire of different voltage wires is 1-10 kV and 5m; 35-110 kV is 10m; 154-330 kV is 15m;500kV was 20m. Let us set the outer extension distance of the wire as alpha according to the actual voltage level,
green claim area S is calculated as per 1.4:
s=2α×l 1.4
The line voltage level is 10kV, so that alpha is 5m, L is the flying length of the unmanned aerial vehicle in the measuring process, and the actual measurement is 500m.
Calculated green area s=2×5×500=5000 m 2 Which coincides with the actual area.
The foregoing describes in detail an embodiment of a method for measuring a green and dead area of an electric power line, and the following describes in detail an embodiment of a system for measuring a green and dead area of an electric power line.
For easy understanding, please refer to fig. 2, the invention provides a system for measuring a green claim area of a power line, comprising:
the flight data acquisition module 100 is used for acquiring flight data of the unmanned aerial vehicle, which is detected along a line to be detected, wherein the flight data comprises flight length and flight height difference;
the landform feature module 200 is used for comparing the flying height difference with a preset height difference threshold value, and determining the landform feature of the propagation path of the line to be detected according to the comparison result, wherein the landform feature comprises mountain land and plain;
the area calculation module 300 is configured to match a corresponding area measurement model in a preset area measurement database according to the landform features, calculate a green claim area of the line to be measured according to the matched area measurement model, and the preset area measurement database includes a mapping relationship between the landform features and the area measurement model.
In a specific embodiment, the system further comprises:
and the photo acquisition module is used for obtaining the field photo by the inspection of the unmanned aerial vehicle along the line to be detected.
In a specific embodiment, the system further comprises:
the mountain area calculation module is used for dividing the line to be measured into n sections when the landform characteristic is mountain land, acquiring the flight length of each section according to the flight length, acquiring the flight height difference of each section according to the flight height difference, calculating the green claim area of the line to be measured according to the following formula 1,
in formula 1, S represents the green area, alpha represents the extension distance of the wire, i represents the ith section, S i Representing the projected length of the line of the ith section, S i Calculated according to the following formula 2:
in formula 2, ΔH i Representing the difference in flight level, ΔL, of the ith zone i Representing the flight length of the ith zone.
In a specific embodiment, the system further comprises:
the plain area calculating module is used for calculating the green claim area of the line to be measured through the following 3 when the landform characteristic is plain,
s=2α×l 3
In formula 3, S represents a green area, α represents an outward extending distance of the wire, and L represents a flight length.
The invention also provides a computer device comprising a memory storing a computer program and a processor implementing the steps of the method described above when the processor executes the computer program.
The invention also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method described above.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, apparatuses and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not described in detail herein.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the partitioning of elements is merely a logical functional partitioning, and there may be additional partitioning in actual implementation, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not implemented. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for executing all or part of the steps of the methods of the embodiments of the present invention by a computer device (which may be a personal computer, a server, or a network device, etc.). And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The method for measuring the green claim area of the power line is characterized by comprising the following steps of:
acquiring flight data of the unmanned aerial vehicle, wherein the flight data comprise flight length and flight height difference, which are obtained by inspection along a line to be detected;
comparing the flying height difference with a preset height difference threshold value, and determining the landform characteristics of the propagation path of the line to be detected according to the comparison result, wherein the landform characteristics comprise mountain areas and plain areas;
matching a corresponding area measurement model in a preset area measurement database according to the landform features, and calculating the green claim area of the line to be measured according to the matched area measurement model, wherein the preset area measurement database comprises the mapping relation between the landform features and the area measurement model;
when the landform feature is mountain land, dividing the line to be measured into n sections, acquiring the flight length of each section according to the flight length, acquiring the flight height difference of each section according to the flight height difference, calculating the green and dead area of the line to be measured according to the following formula 1,
in formula 1, S represents the green area, alpha represents the extension distance of the wire, i represents the ith section, S i Representing the projected length of the line of the ith section, S i Calculated according to the following formula 2:
in formula 2, ΔH i Representing the difference in flight level, ΔL, of the ith zone i Representing the flight length of the ith section;
when the landform characteristic is plain, calculating the green claim area of the line to be measured through the following formula 3,
s=2α×l 3
In formula 3, S represents a green area, α represents an outward extending distance of the wire, and L represents a flight length.
2. The power line green claim area measurement method according to claim 1, further comprising:
and the unmanned aerial vehicle is used for carrying out inspection along a line to be detected to obtain a field photo.
3. A power line green claim area measurement system, comprising:
the flight data acquisition module is used for acquiring flight data of the unmanned aerial vehicle, which is obtained by inspection along a line to be detected, wherein the flight data comprises flight length and flight height difference;
the landform feature module is used for comparing the flying height difference with a preset height difference threshold value, and determining the landform feature of the propagation path of the line to be detected according to the comparison result, wherein the landform feature comprises mountain land and plain land;
the area calculation module is used for matching a corresponding area measurement model in a preset area measurement database according to the landform features, calculating the green claim area of the line to be measured according to the matched area measurement model, and the preset area measurement database comprises the mapping relation between the landform features and the area measurement model;
a mountain area calculation module for dividing the line to be measured into n sections when the relief feature is mountain area, acquiring the flight length of each section according to the flight length, and acquiring the flight height difference of each section according to the flight height difference, calculating the green and claim area of the line to be measured according to the following formula 1,
in formula 1, S represents the green area, alpha represents the extension distance of the wire, i represents the ith section, S i Representing the projected length of the line of the ith section, S i Calculated according to the following formula 2:
in formula 2, ΔH i Representing the difference in flight level, ΔL, of the ith zone i Representing the flight length of the ith section;
the plain area calculation module is used for calculating the green claim area of the line to be measured through the following formula 3 when the landform characteristic is plain,
s=2α×l 3
In formula 3, S represents a green area, α represents an outward extending distance of the wire, and L represents a flight length.
4. The power line green claim area measurement system of claim 3, further comprising:
and the photo acquisition module is used for obtaining a field photo by the unmanned aerial vehicle through inspection along a line to be detected.
5. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 2 when the computer program is executed.
6. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 2.
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