CN107704713A - A kind of transmission line forest fire is distributed appraisal procedure - Google Patents
A kind of transmission line forest fire is distributed appraisal procedure Download PDFInfo
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Abstract
本发明公开了一种输电线路山火分布评估方法，该方法包括如下步骤：火点数据的采集和筛选；计算火点密度；进行插值计算并根据火点密度分级填充；在山火图中叠加植被图和火山隐患点；在山火图中叠加输电线路。本发明公开了一种火灾冰灾预警分析平台，该平台通过对输电线路周围火灾情况进行卫星和地面综合监测，及时快速的掌握火灾发生的具体信息，进而分析火灾对邻近输电线路的影响。将火灾发生的信息与输电线路的地理信息有机的结合，快速准确的判断具体位置的输电线路所受火灾的影响，通过电网仿真计算分析，及时对电网进行合理调度和调整，减少受火灾破坏的输电线路故障对工、农业以及人们生活用电的影响。
The invention discloses a method for evaluating the distribution of mountain fires in transmission lines. The method comprises the following steps: collecting and screening fire point data; calculating fire point density; performing interpolation calculation and filling in stages according to the fire point density; superimposing in a mountain fire map Vegetation map and volcanic hazard points; superimposed transmission lines on the mountain fire map. The invention discloses a fire and ice disaster early warning analysis platform. The platform comprehensively monitors the fire situation around the transmission line through satellite and ground, timely and quickly grasps the specific information of the fire occurrence, and then analyzes the impact of the fire on the adjacent transmission line. Combining the information of fire occurrence with the geographical information of the transmission line organically, quickly and accurately judge the impact of the fire on the transmission line at a specific location, and through the simulation calculation and analysis of the power grid, timely and reasonably dispatch and adjust the power grid to reduce the damage caused by the fire The impact of transmission line faults on industry, agriculture and people's daily electricity consumption.
Description
技术领域technical field
本发明属于灾害预警技术领域，特别是涉及一种输电线路山火分布评估方法。The invention belongs to the technical field of disaster early warning, and in particular relates to a method for evaluating the distribution of mountain fires in power transmission lines.
背景技术Background technique
火灾是指在时间和空间上失去控制的灾害性燃烧现象。在各种灾害中，火灾是最经常、最普遍地威胁公众安全和社会发展的主要灾害之一。人类能够对火进行利用和控制，是文明进步的一个重要标志。所以说人类使用火的历史与同火灾作斗争的历史是相伴相生的，人们在用火的同时，不断总结火灾发生的规律，尽可能地减少火灾及其对人类造成的危害。在遇到火灾时人们需要安全、尽快的逃生。Fire refers to a catastrophic burning phenomenon that is out of control in time and space. Among various disasters, fire is one of the main disasters that most frequently and commonly threaten public safety and social development. Human beings can use and control fire, which is an important symbol of civilization progress. Therefore, the history of human use of fire and the history of fighting against fire go hand in hand. While using fire, people constantly summarize the law of fire occurrence and minimize fire and its harm to human beings. When running into a fire, people need to escape safely and as soon as possible.
随着输电线路卫星火灾监测预警技术的突破实现，充分挖掘极轨气象卫星多通道的监测数据，并形成天基卫星宏观监测与地面采样微观监测结合的立体监测模式，实现了暴雨、冻雨、飓风、积雪、覆冰、山体滑坡等恶劣气候灾害引发的输电线路故障的监测与预警，增强输电线路抵抗自然灾害的预防能力。With the breakthrough of transmission line satellite fire monitoring and early warning technology, the multi-channel monitoring data of polar-orbiting meteorological satellites have been fully excavated, and a three-dimensional monitoring mode combining space-based satellite macro monitoring and ground sampling micro monitoring has been formed, realizing heavy rain, freezing rain, and hurricane Monitoring and early warning of transmission line faults caused by severe weather disasters such as snow, ice, landslides, etc., and enhance the ability of transmission lines to resist natural disasters.
发明内容Contents of the invention
本发明的目的在于提供一种输电线路山火分布评估方法，通过电网仿真计算分析，及时对电网进行合理调度和调整，减少受火灾破坏的输电线路故障对工、农业以及人们生活用电的影响。The purpose of the present invention is to provide a method for evaluating the distribution of mountain fires in transmission lines. Through power grid simulation calculation and analysis, timely and reasonable scheduling and adjustment of the power grid can be performed to reduce the impact of fire-damaged transmission line failures on industry, agriculture, and people's daily use of electricity. .
本发明的目的可以通过以下技术方案实现：The purpose of the present invention can be achieved through the following technical solutions:
一种输电线路山火分布评估方法，该方法包括如下步骤：A method for evaluating the distribution of mountain fires on transmission lines, the method comprising the steps of:
S1、火点数据的采集和筛选；S1. Collection and screening of fire point data;
S2、计算火点密度；S2, calculating fire point density;
S3、进行插值计算并根据火点密度分级填充；S3. Carry out interpolation calculation and graded filling according to fire point density;
S4、在山火图中叠加植被图和火山隐患点；S4. Overlay the vegetation map and volcano hidden danger points on the mountain fire map;
S5、在山火图中叠加输电线路。S5. Superimpose the transmission line on the mountain fire map.
进一步地，所述S1中的具体步骤为，火灾预警模块接入热点数据作为原始数据，删除常规热源、非火源引起的异常高温点和不会引起山火的火源，形成火点数据。Further, the specific steps in S1 are that the fire warning module accesses hotspot data as raw data, deletes conventional heat sources, abnormally high temperature points caused by non-fire sources, and fire sources that do not cause wildfires to form fire point data.
进一步地，所述常规热源包括砖厂和工业烟囱，所述异常高温点包括建筑物反射和太阳耀斑。Further, the conventional heat sources include brick factories and industrial chimneys, and the abnormally high temperature points include building reflections and solar flares.
进一步地，所述S2中的具体步骤为，火灾预警模块将单一地区划分为大小相等的网格，并根据所述单一地区的火点数据，计算年均火点密度，火灾预警模块统计每个网格内的火点数，并根据网格面积计算网格内的年均火点密度，火灾预警模块将年均火点密度和网格内的年均火点密度发送至山火图绘制模块。Further, the specific steps in S2 are that the fire early warning module divides a single area into grids of equal size, and calculates the annual average fire point density according to the fire point data of the single area, and the fire early warning module counts each The number of fire points in the grid, and calculate the average annual fire point density in the grid according to the grid area, and the fire warning module sends the annual average fire point density and the annual average fire point density in the grid to the mountain fire map drawing module.
进一步地，所述S3中的具体步骤为，山火图绘制模块根据网格坐标和火点密度，进行克里金插值计算，得到指定像元大小精度的栅格图层，并根据火点密度自定义颜色填充，完成火点密度分级填充。Further, the specific steps in S3 are: the mountain fire map drawing module performs kriging interpolation calculation according to the grid coordinates and the fire point density to obtain a raster layer with a specified pixel size precision, and according to the fire point density Customize the color filling and complete the fire point density grading filling.
进一步地，所述S4中的具体步骤为，山火图绘制模块计算制备燃烧风险等级，并叠加进入填充了火点密度的栅格涂层中。Further, the specific step in S4 is that the mountain fire map drawing module calculates and prepares the combustion risk level, and superimposes it into the grid coating filled with the fire point density.
进一步地，所述S5中的具体步骤为，山火图绘制模块以山火风险分布图为底图，叠加线路走廊山火隐患分布图层得到架空输电线路山火分布图，并按电压等级分为220kV架空输电线路山火分布图和500kV及以上架空输电线路山火分布图，山火图绘制模块生成山火图后显示于火灾告警模块中。Further, the specific steps in S5 are as follows: the mountain fire map drawing module takes the mountain fire risk distribution map as the base map, superimposes the mountain fire hidden danger distribution layer of the line corridor to obtain the mountain fire distribution map of the overhead transmission line, and classifies it according to the voltage level It is the mountain fire distribution map of 220kV overhead transmission line and the mountain fire distribution map of 500kV and above overhead transmission line. The mountain fire map drawing module generates the mountain fire map and displays it in the fire alarm module.
本发明的有益效果：Beneficial effects of the present invention:
本发明公开了一种火灾冰灾预警分析平台，该平台通过对输电线路周围火灾情况进行卫星和地面综合监测，及时快速的掌握火灾发生的具体信息，包括火灾发生的位置、火势的大小、风速风向、可燃物的成分等信息，进而分析火灾对邻近输电线路的影响。将火灾发生的信息与输电线路的地理信息有机的结合，快速准确的判断具体位置的输电线路所受火灾的影响，通过电网仿真计算分析，及时对电网进行合理调度和调整，减少受火灾破坏的输电线路故障对工、农业以及人们生活用电的影响。The invention discloses a fire and ice disaster early warning analysis platform. The platform can timely and quickly grasp the specific information of the fire occurrence, including the location of the fire occurrence, the size of the fire, and the wind speed, through the comprehensive monitoring of the fire situation around the transmission line by satellite and the ground. Wind direction, composition of combustibles and other information, and then analyze the impact of fire on adjacent transmission lines. Combining the information of fire occurrence with the geographical information of the transmission line organically, quickly and accurately judge the impact of the fire on the transmission line at a specific location, and through the simulation calculation and analysis of the power grid, timely and reasonably dispatch and adjust the power grid to reduce the damage caused by the fire The impact of transmission line faults on industry, agriculture and people's daily electricity consumption.
附图说明Description of drawings
下面结合附图和具体实施例对本发明作进一步详细描述。The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
图1是本发明系统结构示意图。Fig. 1 is a schematic diagram of the system structure of the present invention.
具体实施方式detailed description
一种输电线路山火分布评估系统，包括存储模块、监测模块、火灾预警模块、冰灾预警模块、山火图绘制模块、统计分析模块、火灾告警模块和冰灾告警模块；A transmission line mountain fire distribution evaluation system, including a storage module, a monitoring module, a fire warning module, an ice disaster warning module, a mountain fire map drawing module, a statistical analysis module, a fire alarm module and an ice disaster alarm module;
所述存储模块包括时态数据存储单元和时态灾害数据存储单元，其中，时态数据存储单元中存储有GIS地图、覆冰历史数据、线路参数信息、输电线路周边环境信息、资源卫星数据；The storage module includes a temporal data storage unit and a temporal disaster data storage unit, wherein the temporal data storage unit stores GIS maps, icing history data, line parameter information, surrounding environment information of power transmission lines, and resource satellite data;
所述时态灾害数据存储单元中存储有检测模块采集的数据；The data collected by the detection module is stored in the temporal disaster data storage unit;
所述监测模块包括监测设备终端、气象数据采集终端、数据采集app、卫星数据采集终端、灾害预警采集终端、国家电网数据采集终端；The monitoring module includes a monitoring equipment terminal, a meteorological data collection terminal, a data collection app, a satellite data collection terminal, a disaster warning collection terminal, and a national grid data collection terminal;
所述监测设备终端用于采集并上传山火检测信息和冰灾监测信息并上传至火灾告警模块或冰灾告警模块；The monitoring equipment terminal is used to collect and upload mountain fire detection information and ice disaster monitoring information and upload them to the fire alarm module or ice disaster alarm module;
所述气象数据采集终端用于从互联网上采集气象数据；The meteorological data collection terminal is used to collect meteorological data from the Internet;
所述数据采集app用于巡查人员及观冰站工作人员将实时的巡查火灾信息或冰灾信息通过手机app上传至火灾告警模块；The data collection app is used for inspectors and ice station staff to upload real-time inspection fire information or ice disaster information to the fire alarm module through the mobile phone app;
所述卫星数据采集终端用于采集卫星监测的火灾或冰灾信息；The satellite data collection terminal is used to collect fire or ice disaster information monitored by satellites;
所述灾害预警采集终端用于从外网采集灾害预警信息并发送至火灾预警模块；The disaster early warning acquisition terminal is used to collect disaster early warning information from the external network and send it to the fire early warning module;
国家电网数据采集终端用于从国家电网采集国网山火信息或国网覆冰信息并发送至火灾告警模块或冰灾告警模块；The State Grid data acquisition terminal is used to collect the State Grid’s mountain fire information or State Grid’s icing information from the State Grid and send it to the fire alarm module or ice disaster alarm module;
所述火灾告警模块获取国网山火信息、巡查火灾信息、山火监测信息，较优的，火灾告警模块根据不同的火灾来源采用不同形状的告警图标进行区分；The fire alarm module obtains national network mountain fire information, fire inspection information, and mountain fire monitoring information. Preferably, the fire alarm module uses alarm icons of different shapes to distinguish according to different fire sources;
所述冰灾告警模块获取国网覆冰信息、观冰站冰灾信息、冰灾监测信息，较优的，冰灾告警模块根据不同的冰灾来源采用不同形状的告警图标进行区分；The ice disaster warning module obtains the ice covering information of the national grid, the ice disaster information of the ice observation station, and the ice disaster monitoring information. Preferably, the ice disaster warning module uses different shapes of warning icons to distinguish according to different ice disaster sources;
所述火灾预警模块结合气象因子、植被信息、季节、人为活动、历史山火信息，进行短期、中期、长期火灾预警，并结合外网灾害预警信息与平台预警结果比对，实时修正优化预警模型；The fire early warning module combines meteorological factors, vegetation information, seasons, human activities, and historical mountain fire information to perform short-term, medium-term, and long-term fire early warnings, and combines the disaster early warning information on the external network with the platform early warning results. Real-time correction and optimization of the early warning model ;
所述火灾预警模块还用于对平台发生的预警信息和实际发生的灾害信息进行比对，并给出分析结果；The fire early warning module is also used to compare the early warning information on the platform with the actual disaster information, and give the analysis results;
所述冰灾预警模块结合温度、湿度、风力风向、导线夹角进行短期、中期、长期冰灾预警；The ice disaster warning module combines temperature, humidity, wind force and wind direction, and wire angle to perform short-term, medium-term, and long-term ice disaster warnings;
所述山火图绘制模块通过程序自动化的方式进行山火图绘制；The mountain fire map drawing module draws the mountain fire map in a program-automated manner;
所述统计分析模块用于根据月份、灾害的告警来源、灾害发生地区、灾害的类型、灾害的虚实等多维度进行灾害的统计，形成相应的图表展示统计信息；The statistical analysis module is used to perform disaster statistics in multiple dimensions such as month, disaster alarm source, disaster occurrence area, disaster type, and disaster reality, and form corresponding charts to display statistical information;
较优的，用户可以选择不同的维度，对发生的灾害信息进行分析统计，并导出报表；Preferably, users can choose different dimensions to analyze and count disaster information and export reports;
一种输电线路山火分布评估方法，该方法包括如下步骤：A method for evaluating the distribution of mountain fires on transmission lines, the method comprising the steps of:
S1、火点数据的采集和筛选；S1. Collection and screening of fire point data;
火灾预警模块接入热点数据作为原始数据，删除常规热源、非火源引起的异常高温点和不会引起山火的火源，形成火点数据；The fire warning module accesses the hotspot data as the original data, deletes abnormal high temperature points caused by conventional heat sources, non-fire sources, and fire sources that will not cause wildfires to form fire point data;
其中，所述常规热源包括砖厂和工业烟囱，所述异常高温点包括建筑物反射和太阳耀斑Wherein, the conventional heat sources include brick factories and industrial chimneys, and the abnormally high temperature points include building reflections and solar flares
S2、计算火点密度；S2, calculating fire point density;
火灾预警模块将单一地区划分为大小相等的网格，并根据所述单一地区的火点数据，计算年均火点密度，火灾预警模块统计每个网格内的火点数，并根据网格面积计算网格内的年均火点密度，火灾预警模块将年均火点密度和网格内的年均火点密度发送至山火图绘制模块；The fire early warning module divides a single area into grids of equal size, and calculates the annual average fire point density based on the fire point data of the single area, and the fire early warning module counts the number of fire points in each grid, and calculates the Calculate the annual average fire point density in the grid, and the fire warning module sends the annual average fire point density and the annual average fire point density in the grid to the mountain fire map drawing module;
S3、进行插值计算并根据火点密度分级填充；S3. Carry out interpolation calculation and graded filling according to fire point density;
山火图绘制模块根据网格坐标和火点密度，进行克里金插值计算，得到指定像元大小精度的栅格图层，并根据火点密度自定义颜色填充，完成火点密度分级填充；The mountain fire map drawing module performs kriging interpolation calculation according to the grid coordinates and fire point density to obtain a raster layer with specified pixel size precision, and fills it with custom colors according to the fire point density to complete the fire point density graded filling;
S4、在山火图中叠加植被图和火山隐患点；S4. Overlay the vegetation map and volcano hidden danger points on the mountain fire map;
具体的，山火图绘制模块计算制备燃烧风险等级，并叠加进入填充了火点密度的栅格涂层中；Specifically, the wild fire map drawing module calculates and prepares the combustion risk level, and superimposes it into the grid coating filled with the fire point density;
较优的，山火图绘制模块根据植被的燃烧危害等级和火点密度等级计算风险等级，具体计算方式为，燃烧危害等级和火点密度求平均后向上取整；Preferably, the mountain fire map drawing module calculates the risk level according to the burning hazard level and the fire point density level of the vegetation. The specific calculation method is that the burning hazard level and the fire point density are averaged and then rounded up;
S5、在山火图中叠加输电线路；S5, superimposing the transmission line in the mountain fire map;
山火图绘制模块以山火风险分布图为底图，叠加线路走廊山火隐患分布图层得到架空输电线路山火分布图，并按电压等级分为220kV架空输电线路山火分布图和500kV及以上架空输电线路山火分布图，山火图绘制模块生成山火图后显示于火灾告警模块中。The mountain fire map drawing module takes the mountain fire risk distribution map as the base map, superimposes the mountain fire hazard distribution layer of the line corridor to obtain the mountain fire distribution map of the overhead transmission line, and divides the mountain fire distribution map of the 220kV overhead transmission line and the 500kV and 500kV overhead transmission line according to the voltage level. For the mountain fire distribution map of the overhead transmission line, the mountain fire map drawing module generates the mountain fire map and displays it in the fire alarm module.
以上内容仅仅是对本发明结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。The above content is only an example and description of the structure of the present invention. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the structure of the invention or Anything beyond the scope defined in the claims shall belong to the protection scope of the present invention.
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