CN115563805B - High-voltage overhead power line and radio interference assessment method and device and electronic equipment - Google Patents
High-voltage overhead power line and radio interference assessment method and device and electronic equipment Download PDFInfo
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Abstract
The invention discloses a high-voltage overhead power line and radio interference assessment method, a device and electronic equipment, wherein the method comprises the following steps: A. constructing an airport simulation model, wherein the airport simulation model comprises an airport runway data model, an airport radio antenna model, an airport and surrounding terrain data model; B. constructing a high-voltage overhead transmission line model, and inputting high-voltage overhead transmission line data into the high-voltage overhead transmission line model; C. and constructing an interference evaluation model connected with the airport simulation model, inputting and constructing a high-voltage overhead power line model into the airport simulation model, and calculating to obtain a radio station signal radiation intensity evaluation value. According to the method, through data processing and fusion of airport basic data, aircraft track data, aviation radio station data and high-voltage transmission line data, the interference condition of the high-voltage overhead transmission line on the aviation radio station is comprehensively estimated, and the method has the advantages of being scientific and efficient in estimation, high in reliability, high in accuracy and the like.
Description
Technical Field
The present invention relates to the field of airport radio interference assessment, and in particular, to a method, an apparatus, and an electronic device for assessing high voltage overhead power lines and radio interference.
Background
Overhead transmission lines are the main facilities in modern power systems, and along with the increasing demand of social groups for electric energy, the number of high-voltage overhead transmission lines is greatly increased. In recent years, with rapid construction of infrastructure in China, the voltage level of high-voltage overhead transmission lines applied by a power system is continuously increased, and extra-high voltage transmission lines are also continuously constructed. With the rapid development of power system construction, the contradiction of electromagnetic environment compatibility between high-voltage transmission lines and civil aviation airports is also increasingly prominent. How to make the high-voltage overhead power line compatible with the electromagnetic environment of the airport aviation radio (station) is a problem to be solved.
The aviation radio station (station) is an important facility for guaranteeing the safe operation of an airport, and the protection of the electromagnetic environment of the aviation radio station (station) is particularly important due to the special requirements of the electromagnetic environment. An aviation radio station refers to a radio transmitting equipment station that provides communication, navigation and surveillance station services for civil aviation flight activities. The communication station (station) is a radio station (station) using aviation mobile service and satellite (aviation) mobile service frequency, and mainly includes a very high frequency ground-air communication station, a high frequency ground-air communication station and the like; the navigation station (station) refers to a radio station (station) using an aviation radio navigation service, a satellite (aviation) radio navigation service and an aviation mobile service frequency for supporting a navigation function, such as an omnidirectional beacon, a non-directional beacon and the like of an instrument landing system (including a heading station, a lower sliding table, a pointing beacon or a range finder station); the monitoring station (station) refers to a radio station (station) using a radio positioning service frequency and 1030/1090MHz frequency, such as a primary monitoring radar station, a secondary monitoring radar station, a field monitoring radar station, a broadcast type auto-correlation monitoring ground emission station, and the like. National standard GB6364-2013 electromagnetic environment requirement of aviation radio navigation station (station), civil aviation industry Standard MH/T4003.1-2021 civil aviation communication navigation monitoring station (station) setting site Specification part 1: navigation, MH/T4003.1-2014, civil aviation communication navigation monitoring station (station) setting site Specification part 1: the electromagnetic environment of an aeronautical radio station is correspondingly required in the standard specifications related to monitoring and the like. The existing interference assessment analysis method of the high-voltage overhead transmission line to the aviation radio station only analyzes electromagnetic interference of the high-voltage overhead transmission line to the airport navigation station, and adopts electromagnetic interference field intensity to carry out actual test, the test process is time-consuming and labor-consuming, the acquired data are manually processed and analyzed, the efficiency is low, errors can exist, the accuracy of analysis results is reduced, and the timeliness is reduced; the prior art is only suitable for the high-voltage overhead transmission line which is built, and for the high-voltage transmission line in the design stage, an analog test method is mostly adopted for testing, but other active background noise exists in different environments, the interference field intensity of the high-voltage overhead transmission line obtained by analog test is used as the interference field intensity generated by the high-voltage overhead transmission line in the design stage, and the interference field intensity possibly has larger errors, and the analysis result is compared on one side and has low accuracy.
Disclosure of Invention
Aiming at the technical problems pointed out in the background art, the invention aims to provide a high-voltage overhead power line and radio interference assessment method, device and electronic equipment, which realize the intelligent and numerical assessment of the high-voltage overhead power line on the signal interference of the aviation radio station through the data processing and fusion of airport basic data, aircraft track data, aviation radio station data and high-voltage power line data, can comprehensively assess the interference condition of the high-voltage overhead power line on the aviation radio station, and have the advantages of scientific and efficient assessment, high reliability, high accuracy and the like.
The aim of the invention is achieved by the following technical scheme:
a high voltage overhead power line and radio interference assessment method, the method comprising the steps of:
A. constructing an airport simulation model, wherein the airport simulation model comprises an airport runway data model, an airport radio station antenna model, an airport and surrounding terrain data model, collecting geographic data in the airport and surrounding terrain data of the airport, and correspondingly constructing the airport and surrounding terrain data model; collecting airport runway data and correspondingly constructing an airport runway data model, correspondingly constructing an airport radio station antenna model by collecting airport radio station data, and correspondingly constructing a database by storing the airport radio station data according to radio station names, radio station IDs and radio station signal radiation intensity range data in a correlation manner, wherein the radio station signal radiation intensity range data is correspondingly constructed by taking a radio station as a center point according to a distance value from the center of the radio station and a radio station signal radiation intensity value;
B. constructing a high-voltage overhead transmission line model, inputting high-voltage overhead transmission line data in the high-voltage overhead transmission line model, and correspondingly constructing high-voltage overhead transmission line data according to a high-voltage overhead transmission line ID, high-voltage overhead transmission line electric radiation influence range data, a high-voltage overhead transmission line as a central line, a distance value from the central line of the high-voltage overhead transmission line and a radio station signal radiation intensity loss reduction value by the high-voltage overhead transmission line;
C. an interference evaluation model connected with an airport simulation model is built, a high-voltage overhead power line model is input and built in the airport simulation model, the airport simulation model carries out three-dimensional simulation on the high-voltage overhead power line model, and the interference evaluation model correspondingly calculates a radio station signal radiation intensity evaluation value according to a radio station name and a radio station ID; the radio station signal radiation intensity evaluation value is the difference between the radio station signal radiation intensity value corresponding to the distance value from the radio station center and the radio station signal radiation intensity impairment value of the high-voltage overhead power line under the distance.
In order to better realize the invention, the invention also comprises the following steps:
D. constructing an aircraft flight track data model, collecting flight track data and airborne radio data of an aircraft for taking off and landing at an airport, inputting the flight track data model of the aircraft, and storing and constructing a database in a correlated mode by aircraft numbers, aircraft track IDs, airborne radio IDs and airborne radio signal radiation intensity range data of the flight track data, wherein the airborne radio signal radiation intensity range data is correspondingly constructed by taking aircraft radio equipment as a center point according to a distance value from the center of the aircraft radio equipment and an airborne radio signal radiation intensity value; inputting and constructing an aircraft flight trajectory data model into an airport simulation model, performing three-dimensional simulation on the aircraft flight trajectory data model by an interference evaluation model, and correspondingly calculating an airborne radio signal radiation intensity evaluation value according to an airborne radio ID by the airport simulation model; the airborne radio signal radiation intensity evaluation value is the difference value between an airborne radio signal radiation intensity value corresponding to a distance value from the center of the radio equipment of the aircraft and a radio station signal radiation intensity impairment value of a high-voltage overhead power line at the distance;
and sequentially calculating and obtaining all the airborne radio signal radiation intensity evaluation values under the same flight track according to the input flight track data, storing, and carrying out flight evaluation display according to the flight track.
Preferably, the high voltage overhead power line data includes established high voltage overhead power line data and planned high voltage overhead power line data.
As a preferable technical scheme of the invention, the invention further comprises the following steps:
E. taking a distance corresponding to a radio station signal radiation intensity value smaller than a threshold value Q1 in the radio station signal radiation intensity value of airport radio station data in an airport range as a radio station signal coverage boundary, and constructing a radio station signal core protection area by using the radio station signal coverage boundary in an airport simulation model; the method comprises the steps that the distance, corresponding to the loss value of the high-voltage overhead power line in the range of a screening airport, of the radio station signal radiation intensity is smaller than a threshold value Q2, the influence maximum distance value of the high-voltage overhead power line is used as the influence maximum distance value of the high-voltage overhead power line, the influence maximum distance value of the high-voltage overhead power line is outwards expanded in a radio station signal core protection area, the radio station signal core protection area is used as a radio station signal anti-interference protection area, and the radio station signal core protection area and the radio station signal anti-interference protection area jointly form a radio station signal protection area.
As a preferable technical scheme of the invention, the invention further comprises the following steps:
F. inputting the data of the to-be-built high-voltage overhead transmission line into the high-voltage overhead transmission line model, storing the data of the to-be-built high-voltage overhead transmission line in a correlation mode according to the ID of the to-be-built high-voltage overhead transmission line and the data of the electric radiation influence range of the to-be-built high-voltage overhead transmission line, constructing the data of the electric radiation influence range of the to-be-built high-voltage overhead transmission line in a corresponding mode by taking the to-be-built high-voltage overhead transmission line as a central line according to a central line distance value from the high-voltage overhead transmission line and a radio station signal radiation intensity loss value of the to-be-built high-voltage overhead transmission line, and meanwhile enabling the data of the existing high-voltage overhead transmission line in the high-voltage overhead transmission line model not to participate in radio interference assessment; and correspondingly inputting data in the data model of the high-voltage overhead transmission line to be built and the flight track data model of the aircraft into an airport simulation model to perform three-dimensional simulation, calculating a radio station signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built by the interference evaluation model according to the radio station name and the radio station ID, and simultaneously, calculating an airborne radio signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built by the interference evaluation model according to the airborne radio ID.
As a preferable technical scheme of the invention, the invention further comprises the following steps:
firstly, constructing an airport flight zone electromagnetic environment protection area in an airport simulation model by taking airport runway data as a center and a distance L1; the method for constructing the radio station signal protection area comprises the steps of:
taking a distance corresponding to a radio station signal radiation intensity value smaller than a threshold value Q1 in the radio station signal radiation intensity value of airport radio station data in an airport range as a radio station signal coverage boundary, and constructing a radio station signal core protection area by using the radio station signal coverage boundary in an airport simulation model; the method comprises the steps that a distance corresponding to a high-voltage overhead power line in an airport range, where the loss value of the radiation intensity of a radio station signal is smaller than a threshold Q2, is used as a maximum distance value of the influence of the high-voltage overhead power line, the maximum distance value of the influence of the high-voltage overhead power line is outwards expanded in a radio station signal core protection area, the radio station signal core protection area is used as a radio station signal anti-interference protection area, and the radio station signal core protection area and the radio station signal anti-interference protection area jointly form a radio station signal protection area;
the site protection area is a site area set inside the airport simulation model except for a radio station;
g2, then, judging according to the following method:
if the high-voltage overhead transmission line to be built is outside the electromagnetic environment protection area of the airport flight area, the interference assessment model does not process and outputs that the high-voltage overhead transmission line to be built does not interfere with the radio station signal;
if the part of the high-voltage overhead transmission line to be built is in the airport flight area electromagnetic environment protection area, extracting the data of the high-voltage overhead transmission line to be built in the airport flight area electromagnetic environment protection area, and obtaining a radio station signal radiation intensity evaluation value and an airborne radio signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built according to a method F.
The high-voltage overhead power line and radio interference assessment device comprises an airport simulation model, an interference assessment model, a high-voltage overhead power line model and an aircraft flight track data model, wherein the high-voltage overhead power line model and the aircraft flight track data model are respectively connected with the airport simulation model and the interference assessment model, and the interference assessment model is connected with the airport simulation model;
the airport simulation model comprises an airport runway data model, an airport radio station antenna model, an airport and surrounding terrain data model; the airport and surrounding terrain data model is used for inputting geographic data in an airport and terrain data around the airport and correspondingly constructing the airport radio station antenna model and is used for inputting airport runway data and correspondingly constructing the airport radio station data, the airport radio station data are collected and correspondingly constructed, the airport radio station data are stored and constructed in a database according to the association of radio station names, radio station IDs and radio station signal radiation intensity range data, and the radio station signal radiation intensity range data are correspondingly constructed by taking a radio station as a center point according to a distance value from the radio station center and a radio station signal radiation intensity value;
the interference evaluation model is used for carrying out data processing, outputting and displaying according to the method D, the method E, the method F or the methods G1-G2.
The electronic equipment comprises a data layer, a data processing layer and an application layer which are communicated with each other, wherein the data layer is used for storing an airport simulation model, a high-voltage overhead power line model and an aircraft flight track data model, the airport simulation model comprises an airport runway data model, an airport radio station antenna model and an airport and surrounding terrain data model, the data processing layer is used for storing and executing a computer program, and the application layer is used for outputting and displaying a chart of data processed in the data processing layer.
Compared with the prior art, the invention has the following advantages:
(1) According to the invention, through data processing and fusion of airport basic data, aircraft track data, aviation radio station data and high-voltage power transmission line data, intelligent and numerical evaluation of the high-voltage overhead power transmission line on the aviation radio station signal interference is realized, the situation of the high-voltage overhead power transmission line on the aviation radio station interference can be comprehensively evaluated, and the method has the advantages of scientific and efficient evaluation, high reliability, high accuracy and the like.
(2) The invention provides an effective technical means for airport electromagnetic environment protection, can provide reliable basis and technical support for planning of high-voltage overhead transmission lines, provides guarantee for safe operation of airport aircrafts, effectively saves time cost of manual measurement and calculation, and greatly improves evaluation efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage overhead power line and a radio interference assessment device according to an embodiment;
fig. 2 is a schematic diagram illustrating a positional relationship between a high-voltage overhead power line and an electromagnetic environment protection area of an airport flight area according to an embodiment;
fig. 3 is a schematic flow diagram of a high voltage overhead power line and radio interference assessment method in an embodiment.
Detailed Description
The invention is further illustrated by the following examples:
example 1
As shown in fig. 1 to 3, a method for evaluating high-voltage overhead power lines and radio interference includes the following steps:
A. the airport simulation model is constructed and comprises an airport runway data model, an airport radio station antenna model and an airport and surrounding terrain data model, and the airport and surrounding terrain data model is correspondingly constructed by collecting geographic data in the airport and surrounding terrain data of the airport. And acquiring airport runway data (preferably, data such as airport longitude and latitude, runway length, runway true azimuth, airport elevation and the like) and correspondingly constructing an airport runway data model, correspondingly constructing an airport radio station antenna model by acquiring airport radio station data, and storing the airport radio station data in a correlation manner according to radio station names, radio station IDs and radio station signal radiation intensity range data to construct a database, wherein the constructed database also stores data such as the position, frequency, equipment model, antenna power, antenna height and the like of a radio station in a correlation manner. The radio station signal radiation intensity range data is correspondingly constructed by taking the radio station as a center point according to a distance value from the center of the radio station and the radio station signal radiation intensity value; the corresponding relation database of the distance value from the center of the radio station and the signal radiation intensity value of the radio station is obtained according to actual multiple measurements.
B. The method comprises the steps of constructing a high-voltage overhead transmission line model, inputting high-voltage overhead transmission line data into the high-voltage overhead transmission line model, and storing and constructing a database according to high-voltage overhead transmission line IDs (the high-voltage overhead transmission line IDs carry out digital identity numbers according to different high-voltage overhead transmission lines) and high-voltage overhead transmission line electric radiation influence range data in an associated mode, wherein the constructed database also stores data such as the grade of the high-voltage transmission line, longitude and latitude coordinates of a tower pole, ground elevation of the tower pole, height of the tower pole and the like in an associated mode. The high-voltage overhead transmission line electric radiation influence range data are correspondingly constructed according to the distance value from the central line of the high-voltage overhead transmission line to the signal radiation intensity loss value of the radio station by taking the high-voltage overhead transmission line as the central line, and the corresponding relation database of the distance value from the central line of the high-voltage overhead transmission line to the signal radiation intensity loss value of the radio station by the high-voltage overhead transmission line is obtained according to actual repeated measurement.
C. And (3) constructing an interference evaluation model connected with the airport simulation model, inputting and constructing a high-voltage overhead power line model into the airport simulation model, and carrying out three-dimensional simulation on the high-voltage overhead power line model, the airport runway data model, the airport radio station antenna model, the airport and surrounding terrain data model by the airport simulation model, wherein the interference evaluation model correspondingly calculates a radio station signal radiation intensity evaluation value according to a radio station name and a radio station ID. The radio station signal radiation intensity evaluation value is a difference value between a radio station signal radiation intensity value corresponding to a distance value from a radio station center and a radio station signal radiation intensity impairment value of a high-voltage overhead power line under the distance, and as shown in fig. 3, whether the difference value meets the regulation requirement is judged. The high-voltage overhead transmission line data in this embodiment includes the established high-voltage overhead transmission line data and the planned high-voltage overhead transmission line data.
Example two
This embodiment includes methods a to C of embodiment one, and also includes the following methods:
D. and constructing an aircraft flight track data model, collecting flight track data and airborne radio data of an aircraft taking off and landing at an airport, inputting the flight track data model of the aircraft, and storing and constructing a database in a correlation manner by aircraft numbers, aircraft track IDs, airborne radio IDs and airborne radio signal radiation intensity range data of the flight track data, wherein the airborne radio signal radiation intensity range data is correspondingly constructed by taking an aircraft radio device as a center point according to a distance value from the center of the aircraft radio device and an airborne radio signal radiation intensity value. And inputting and constructing the aircraft flight trajectory data model into an airport simulation model, and carrying out three-dimensional simulation on the aircraft flight trajectory data model by an interference evaluation model, wherein the airport simulation model correspondingly calculates an airborne radio signal radiation intensity evaluation value according to an airborne radio ID. The on-board radio signal radiation intensity evaluation value is a difference value between an on-board radio signal radiation intensity value corresponding to a distance value from the center of the radio equipment of the aircraft and a radio station signal radiation intensity impairment value of the high-voltage overhead power line at the distance.
And sequentially calculating and obtaining all the airborne radio signal radiation intensity evaluation values under the same flight track according to the input flight track data, storing, and carrying out flight evaluation display according to the flight track.
Example III
Compared with the first and second embodiments, the present embodiment further includes the following methods: E. and taking the distance corresponding to the radio station signal radiation intensity value smaller than the threshold value Q1 in the radio station signal radiation intensity value of airport radio station data in the airport range as a radio station signal coverage boundary, and constructing a radio station signal core protection area by using the radio station signal coverage boundary in an airport simulation model. The method comprises the steps that the distance, corresponding to the loss value of the high-voltage overhead power line in the range of a screening airport, of the radio station signal radiation intensity is smaller than a threshold value Q2, the influence maximum distance value of the high-voltage overhead power line is used as the influence maximum distance value of the high-voltage overhead power line, the influence maximum distance value of the high-voltage overhead power line is outwards expanded in a radio station signal core protection area, the radio station signal core protection area is used as a radio station signal anti-interference protection area, and the radio station signal core protection area and the radio station signal anti-interference protection area jointly form a radio station signal protection area.
Example IV
Compared with the first, second and third embodiments, the present embodiment further includes the following method (the high voltage overhead transmission line data in the present embodiment is the proposed high voltage overhead transmission line data):
F. inputting the data of the high-voltage overhead transmission line to be built into the high-voltage overhead transmission line model (four high-voltage overhead transmission lines to be built are shown in an example of C1-C4 in FIG. 2), wherein the data of the high-voltage overhead transmission line to be built is stored and built into a database according to the ID of the high-voltage overhead transmission line to be built and the electric radiation influence range data of the high-voltage overhead transmission line to be built in an associated mode, the data of the electric radiation influence range of the high-voltage overhead transmission line to be built is correspondingly built according to the distance value between the central line of the high-voltage overhead transmission line and the signal radiation intensity loss reduction value of the high-voltage overhead transmission line to the radio station by taking the data of the high-voltage overhead transmission line to be built as a central line, and meanwhile, the data of the high-voltage overhead transmission line in the high-voltage overhead transmission line model does not participate in radio interference assessment. And correspondingly inputting data in the data model of the high-voltage overhead transmission line to be built and the flight track data model of the aircraft into an airport simulation model to perform three-dimensional simulation, calculating a radio station signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built by the interference evaluation model according to the radio station name and the radio station ID, and simultaneously, calculating an airborne radio signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built by the interference evaluation model according to the airborne radio ID.
In some embodiments, the invention further comprises the following method:
g1, firstly, constructing an airport flight zone electromagnetic environment protection area with an airport runway data as a center and a distance L1 in an airport simulation model. The method for constructing the radio station signal protection area comprises the steps of:
the distance corresponding to the radio station signal radiation intensity value smaller than the threshold value Q1 in the radio station signal radiation intensity values of airport radio station data in the airport range is taken as a radio station signal coverage boundary, the value of the threshold value Q1 is determined according to the airport signal requirement level, for example, if the radio station signal radiation intensity value with the lowest airport requirement is, the value is taken as the threshold value Q1, and the radio station signal coverage boundary A1 is shown in an example of fig. 2. And constructing a radio station signal core protection area by using the radio station signal coverage boundary in the airport simulation model. The distance corresponding to the fact that the loss value of the radiation intensity of the high-voltage overhead transmission line to the radio station signal in the airport screening range is smaller than the threshold value Q2 is used as the maximum distance value of the high-voltage overhead transmission line, the value of the threshold value Q2 is determined according to the airport signal requirement level, the smaller the loss value of the radiation intensity of the radio station signal is, the farther the distance of the high-voltage overhead transmission line is represented, and the interference influence is smaller. The radio station signal core protection area is outwards expanded to influence the high-voltage overhead power line by a maximum distance value and comprises the radio station signal core protection area as a radio station signal anti-interference protection area (an area enclosed by an A2 shown in fig. 2), and the radio station signal core protection area and the radio station signal anti-interference protection area jointly form a radio station signal protection area.
The site protection area (an A3 area shown by way of example as shown in fig. 2) is a site area set inside the airport simulation model except for radio stations.
G2, then, judging according to the following method:
if the high-voltage overhead transmission line to be built is outside the electromagnetic environment protection area of the airport flight area, the interference assessment model does not process and output that the high-voltage overhead transmission line to be built does not interfere with the radio station signal.
If the part of the high-voltage overhead transmission line to be built is in the airport flight area electromagnetic environment protection area, extracting the data of the high-voltage overhead transmission line to be built in the airport flight area electromagnetic environment protection area according to the method F to obtain a radio station signal radiation intensity evaluation value and an airborne radio signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built, and respectively judging whether the radio station signal radiation intensity evaluation value and the airborne radio signal radiation intensity evaluation value meet the regulation requirement or not as shown in fig. 3, and if so, building is to be built.
Example five
The high-voltage overhead power line and radio interference assessment device comprises an airport simulation model, an interference assessment model, a high-voltage overhead power line model and an aircraft flight track data model, wherein the high-voltage overhead power line model and the aircraft flight track data model are respectively connected with the airport simulation model and the interference assessment model, and the interference assessment model is connected with the airport simulation model.
The airport simulation model comprises an airport runway data model, an airport radio antenna model, an airport and surrounding terrain data model. The airport and surrounding terrain data model is used for inputting geographic data in an airport and terrain data around the airport, correspondingly constructing an airport radio station antenna model, inputting airport runway data, correspondingly constructing acquired airport radio station data, storing and constructing a database according to radio station names, radio station IDs and radio station signal radiation intensity range data in a correlation manner, and correspondingly constructing radio station signal radiation intensity range data according to distance values from a radio station center by taking the radio station as a center point.
The interference evaluation model is used for carrying out data processing, outputting and displaying according to the method D, the method E, the method F or the methods G1-G2.
An electronic device comprises a data layer, a data processing layer and an application layer which are communicated with each other, wherein the data layer is used for storing an airport simulation model, a high-voltage overhead transmission line model and an aircraft flight track data model, and the airport simulation model comprises an airport runway data model, an airport radio station antenna model and an airport and surrounding terrain data model. The data layer mainly comprises airport runway data, aircraft flight track data, aviation radio station data and high-voltage overhead power line data; the airport runway data mainly comprise longitude and latitude coordinates, true azimuth, length and width, magnetic difference, flight area grade and the like of the airport runway; the flight track data of the aircraft mainly comprise an approach procedure, an departure procedure, an approach procedure and the like of an airport; the aviation radio station data mainly comprise the position, frequency, equipment model, antenna power, antenna height and the like of the aviation radio station; the high-voltage overhead transmission line data mainly comprise the grade of the high-voltage transmission line, longitude and latitude coordinates of a tower pole, ground elevation of the tower pole, height of the tower pole and the like. The data processing layer is used for storing and executing a computer program and realizing the steps of the high-voltage overhead transmission line and radio interference assessment method. The application layer is used for outputting and displaying graphs of the processed data in the data processing layer, and further, after obtaining the radio station signal radiation intensity evaluation value and the airborne radio signal radiation intensity evaluation value, the embodiment can further obtain and output the results of the guard interval, the site protection area, the signal intensity, the quality, the signal to noise ratio and the like, and can compare the results of the guard interval, the site protection area, the signal intensity, the quality, the signal to noise ratio and the like obtained by depending on the radio station signal radiation intensity evaluation value with the requirements of aviation radio stations in regulations GB/T6364-2013, MH/T4003.1-2021, MH/T4003.2-2014 and MH/T4046-2017 on the guard interval, the site protection area, the signal intensity, the quality, the protection rate and the like, so as to obtain a conclusion whether the regulation requirements are met.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. A high-voltage overhead power line and radio interference assessment method is characterized in that: the method comprises the following steps:
A. constructing an airport simulation model, wherein the airport simulation model comprises an airport runway data model, an airport radio station antenna model, an airport and surrounding terrain data model, collecting geographic data in the airport and surrounding terrain data of the airport, and correspondingly constructing the airport and surrounding terrain data model; collecting airport runway data and correspondingly constructing an airport runway data model, correspondingly constructing an airport radio station antenna model by collecting airport radio station data, and correspondingly constructing a database by storing the airport radio station data according to radio station names, radio station IDs and radio station signal radiation intensity range data in a correlation manner, wherein the radio station signal radiation intensity range data is correspondingly constructed by taking a radio station as a center point according to a distance value from the center of the radio station and a radio station signal radiation intensity value;
B. constructing a high-voltage overhead transmission line model, inputting high-voltage overhead transmission line data in the high-voltage overhead transmission line model, and correspondingly constructing high-voltage overhead transmission line data according to a high-voltage overhead transmission line ID, high-voltage overhead transmission line electric radiation influence range data, a high-voltage overhead transmission line as a central line, a distance value from the central line of the high-voltage overhead transmission line and a radio station signal radiation intensity loss reduction value by the high-voltage overhead transmission line;
C. an interference evaluation model connected with an airport simulation model is built, a high-voltage overhead power line model is input and built in the airport simulation model, the airport simulation model carries out three-dimensional simulation on the high-voltage overhead power line model, and the interference evaluation model correspondingly calculates a radio station signal radiation intensity evaluation value according to a radio station name and a radio station ID; the radio station signal radiation intensity evaluation value is the difference value between the radio station signal radiation intensity value corresponding to the distance value from the center of the radio station and the radio station signal radiation intensity impairment value of the high-voltage overhead power line under the distance;
E. taking a distance corresponding to a radio station signal radiation intensity value smaller than a threshold value Q1 in radio station data of an airport in an airport range as a radio station signal coverage boundary, and constructing a radio station signal core protection area by using the radio station signal coverage boundary in an airport simulation model; the method comprises the steps that the distance, corresponding to the loss value of the high-voltage overhead power line in the range of a screening airport, of the radio station signal radiation intensity is smaller than a threshold value Q2, the influence maximum distance value of the high-voltage overhead power line is used as the influence maximum distance value of the high-voltage overhead power line, the influence maximum distance value of the high-voltage overhead power line is outwards expanded in a radio station signal core protection area, the radio station signal core protection area is used as a radio station signal anti-interference protection area, and the radio station signal core protection area and the radio station signal anti-interference protection area jointly form a radio station signal protection area.
2. The high voltage overhead power line and radio interference assessment method according to claim 1, wherein: the method also comprises the following steps:
D. constructing an aircraft flight track data model, collecting flight track data and airborne radio data of an aircraft for taking off and landing at an airport, inputting the flight track data model of the aircraft, and storing and constructing a database in a correlated mode by aircraft numbers, aircraft track IDs, airborne radio IDs and airborne radio signal radiation intensity range data of the flight track data, wherein the airborne radio signal radiation intensity range data is correspondingly constructed by taking aircraft radio equipment as a center point according to a distance value from the center of the aircraft radio equipment and an airborne radio signal radiation intensity value; inputting and constructing an aircraft flight trajectory data model into an airport simulation model, performing three-dimensional simulation on the aircraft flight trajectory data model by an interference evaluation model, and correspondingly calculating an airborne radio signal radiation intensity evaluation value according to an airborne radio ID by the airport simulation model; the airborne radio signal radiation intensity evaluation value is the difference value between an airborne radio signal radiation intensity value corresponding to a distance value from the center of the radio equipment of the aircraft and a radio station signal radiation intensity impairment value of a high-voltage overhead power line at the distance;
and sequentially calculating and obtaining all the airborne radio signal radiation intensity evaluation values under the same flight track according to the input flight track data, storing, and carrying out flight evaluation display according to the flight track.
3. The high voltage overhead power line and radio interference assessment method according to claim 1, wherein: the high voltage overhead transmission line data includes established high voltage overhead transmission line data and planned high voltage overhead transmission line data.
4. The high voltage overhead power line and radio interference assessment method according to claim 2, wherein: the method also comprises the following steps:
F. inputting the data of the to-be-built high-voltage overhead transmission line into the high-voltage overhead transmission line model, storing the data of the to-be-built high-voltage overhead transmission line in a correlation mode according to the ID of the to-be-built high-voltage overhead transmission line and the data of the electric radiation influence range of the to-be-built high-voltage overhead transmission line, constructing the data of the electric radiation influence range of the to-be-built high-voltage overhead transmission line in a corresponding mode by taking the to-be-built high-voltage overhead transmission line as a central line according to a central line distance value from the high-voltage overhead transmission line and a radio station signal radiation intensity loss value of the to-be-built high-voltage overhead transmission line, and meanwhile enabling the data of the existing high-voltage overhead transmission line in the high-voltage overhead transmission line model not to participate in radio interference assessment; and correspondingly inputting data in the data model of the high-voltage overhead transmission line to be built and the flight track data model of the aircraft into an airport simulation model to perform three-dimensional simulation, calculating a radio station signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built by the interference evaluation model according to the radio station name and the radio station ID, and simultaneously, calculating an airborne radio signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built by the interference evaluation model according to the airborne radio ID.
5. The high voltage overhead power line and radio interference assessment method according to claim 4, wherein: the method also comprises the following steps:
firstly, constructing an airport flight zone electromagnetic environment protection area in an airport simulation model by taking airport runway data as a center and a distance L1; the method for constructing the radio station signal protection area comprises the steps of:
taking a distance corresponding to a radio station signal radiation intensity value smaller than a threshold value Q1 in the radio station signal radiation intensity value of airport radio station data in an airport range as a radio station signal coverage boundary, and constructing a radio station signal core protection area by using the radio station signal coverage boundary in an airport simulation model; the method comprises the steps that a distance corresponding to a high-voltage overhead power line in an airport range, where the loss value of the radiation intensity of a radio station signal is smaller than a threshold Q2, is used as a maximum distance value of the influence of the high-voltage overhead power line, the maximum distance value of the influence of the high-voltage overhead power line is outwards expanded in a radio station signal core protection area, the radio station signal core protection area is used as a radio station signal anti-interference protection area, and the radio station signal core protection area and the radio station signal anti-interference protection area jointly form a radio station signal protection area;
the site protection area is a site area set inside the airport simulation model except for a radio station;
g2, then, judging according to the following method:
if the high-voltage overhead transmission line to be built is outside the electromagnetic environment protection area of the airport flight area, the interference assessment model does not process and outputs that the high-voltage overhead transmission line to be built does not interfere with the radio station signal;
if the part of the high-voltage overhead transmission line to be built is in the airport flight area electromagnetic environment protection area, extracting the data of the high-voltage overhead transmission line to be built in the airport flight area electromagnetic environment protection area, and obtaining a radio station signal radiation intensity evaluation value and an airborne radio signal radiation intensity evaluation value under the influence of the high-voltage overhead transmission line to be built according to a method F.
6. A high voltage overhead power line and radio interference assessment device according to the method of any one of claims 2 to 5, characterized by: the system comprises an airport simulation model, an interference assessment model, a high-voltage overhead power line model and an aircraft flight track data model, wherein the high-voltage overhead power line model and the aircraft flight track data model are respectively connected with the airport simulation model and the interference assessment model, and the interference assessment model is connected with the airport simulation model;
the airport simulation model comprises an airport runway data model, an airport radio station antenna model, an airport and surrounding terrain data model; the airport and surrounding terrain data model is used for inputting geographic data in an airport and terrain data around the airport and correspondingly constructing the airport radio station antenna model and is used for inputting airport runway data and correspondingly constructing the airport radio station data, the airport radio station data are collected and correspondingly constructed, the airport radio station data are stored and constructed in a database according to the association of radio station names, radio station IDs and radio station signal radiation intensity range data, and the radio station signal radiation intensity range data are correspondingly constructed by taking a radio station as a center point according to a distance value from the radio station center and a radio station signal radiation intensity value;
the interference assessment model is used for data processing, outputting and displaying according to the method of any one of claims 2-5.
7. An electronic device, characterized in that: the electronic equipment comprises a data layer, a data processing layer and an application layer which are communicated with each other, wherein the data layer is used for storing an airport simulation model, a high-voltage overhead power line model and an aircraft flight track data model, the airport simulation model comprises an airport runway data model, an airport radio station antenna model and an airport and surrounding terrain data model, the data processing layer is used for storing and executing a computer program, the steps of the high-voltage overhead power line and radio interference assessment method in any one of claims 1-5 are realized, and the application layer is used for outputting and displaying graphs of processed data in the data processing layer.
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