CN112051209A - An automatic evaluation method for the corrosion degree of power transmission and transformation steel components - Google Patents

An automatic evaluation method for the corrosion degree of power transmission and transformation steel components Download PDF

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CN112051209A
CN112051209A CN202011074283.6A CN202011074283A CN112051209A CN 112051209 A CN112051209 A CN 112051209A CN 202011074283 A CN202011074283 A CN 202011074283A CN 112051209 A CN112051209 A CN 112051209A
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corrosion
power transmission
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steel components
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王志高
张力
耿植
兰新生
周易谦
田倩倩
曾晓亮
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Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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    • G01N2021/8874Taking dimensions of defect into account

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Abstract

The invention discloses an automatic evaluation method for corrosion degree of a power transmission and transformation steel member, which comprises the following steps: acquiring a corrosion photo of a steel member of the power transmission and transformation equipment, and performing virtual grid division on the corrosion photo of the steel member of the power transmission and transformation equipment; the virtual grid division divides a corrosion photo of the steel member of the power transmission and transformation equipment into a plurality of non-corroded grids and a plurality of corroded grids, and the area occupation ratio of the corroded grids is calculated by adopting a grid quantity statistical mode; and evaluating the corrosion grade degree of the steel member of the power transmission and transformation equipment according to the corroded grid area occupation ratio, and adopting differentiated anticorrosion maintenance and replacement strategies according to an evaluation result so as to solve the problems of corrosion prevention and replacement at any time. Therefore, potential safety hazards caused by corrosion are reduced, safety accidents and economic losses caused by corrosion are reduced, and the method has important significance for safe operation of a power grid.

Description

一种输变电钢构件腐蚀程度自动评价方法An automatic evaluation method for the corrosion degree of power transmission and transformation steel components

技术领域technical field

本发明涉及电力设备状态评价技术领域,基体涉及一种输变电钢构件腐蚀程度自动评价方法。The invention relates to the technical field of state evaluation of electric power equipment, and the base body relates to an automatic evaluation method for the corrosion degree of power transmission and transformation steel components.

背景技术Background technique

输变电设备钢构件的腐蚀是影响电网安全运行的重要隐患之一。腐蚀缺陷常引起突发事故,如变压器穿孔漏油、控制箱体锈穿进水导致保护拒动误动、塔材锈穿锈断、塔脚锈断、接地网锈蚀断裂等,严重影响电网安全运行,甚至会造成倒塔、断线、停电跳闸等重大安全事故。因此,对输变电设备钢构件的腐蚀程度进行科学评价,在输变电设备钢构件腐蚀失效之前,及时制订防腐检修计划进行处理,采取有效的防腐维护措施是保证输变电设备安全可靠运行的关键要素。Corrosion of steel components of power transmission and transformation equipment is one of the important hidden dangers affecting the safe operation of power grids. Corrosion defects often cause sudden accidents, such as transformer perforation and oil leakage, rust penetration of the control box and water entry, resulting in protection refusal to operate and malfunction, rust penetration of tower materials, rust and fracture of tower feet, corrosion and fracture of grounding grid, etc., which seriously affect the safety of the power grid. It may even cause major safety accidents such as tower collapse, disconnection, power failure and tripping. Therefore, it is necessary to scientifically evaluate the corrosion degree of steel components of power transmission and transformation equipment. Before the corrosion of steel components of power transmission and transformation equipment fails, an anti-corrosion maintenance plan should be formulated in time to deal with it, and effective anti-corrosion maintenance measures should be taken to ensure the safe and reliable operation of power transmission and transformation equipment. key elements.

然而,目前输变电设备钢构件的腐蚀程度评价主要依靠现场运行人员的肉眼观察和个人经验,常见“生锈”、“锈蚀严重”、“锈蚀非常严重”、“锈烂了”等无法定量的主观描述性语言,即使拍了照片,也对于到底腐蚀到什么程度无从回答。缺乏统一、规范、科学、定量、可操作的腐蚀程度评价方法,导致后续的防腐维护存在随意性和盲目性,防腐检修计划难以确定何时应该进行防腐,何时应该进行更换,从而影响防腐效果,甚至产生安全风险。However, at present, the evaluation of the corrosion degree of the steel components of power transmission and transformation equipment mainly relies on the naked eye observation and personal experience of the field operators, and the common "rusted", "severely corroded", "very severely corroded" and "rusted" cannot be quantified. Subjective descriptive language, even if a photo is taken, there is no answer to the extent of the corrosion. The lack of a unified, standardized, scientific, quantitative, and operable method for evaluating the degree of corrosion leads to randomness and blindness in subsequent anti-corrosion maintenance. , and even create security risks.

针对这一难题,需要发明一种可实际操作,可直接输出结果的输变电设备钢构件腐蚀程度现场定量评价方法,进而可根据评价结果采取差异化的防腐维护和更换策略,以解决何时应进行防腐,何时应进行更换的难题。从而减少腐蚀安全隐患,减少腐蚀引起的安全事故和经济损失,对于电网安全运行具有重要意义。To solve this problem, it is necessary to invent an on-site quantitative evaluation method for the corrosion degree of steel components of power transmission and transformation equipment that can be practically operated and can directly output the results. The conundrum of when corrosion should be done and when should it be replaced. Thereby reducing the hidden danger of corrosion, reducing the safety accidents and economic losses caused by corrosion, which is of great significance for the safe operation of the power grid.

发明内容SUMMARY OF THE INVENTION

针对以上问题,本发明目的在于提供一种输变电钢构件腐蚀程度自动评价方法,其提出一种可靠、简便的评价方法,提高输变电设备钢构件的腐蚀评价的准确性。In view of the above problems, the purpose of the present invention is to provide an automatic evaluation method for the corrosion degree of power transmission and transformation steel components, which proposes a reliable and simple evaluation method to improve the accuracy of corrosion evaluation of power transmission and transformation equipment steel components.

本发明通过下述技术方案实现:The present invention is achieved through the following technical solutions:

一种输变电钢构件腐蚀程度自动评价方法,包括:An automatic evaluation method for the corrosion degree of power transmission and transformation steel components, comprising:

获取输变电设备钢构件的腐蚀照片,并对所述输变电设备钢构件的腐蚀照片进行虚拟网格划分;Obtaining corrosion photos of steel components of power transmission and transformation equipment, and performing virtual mesh division on the corrosion photos of steel components of power transmission and transformation equipment;

所述虚拟网格划分将所述输变电设备钢构件的腐蚀照片划分为若干个未腐蚀网格和若干个已腐蚀网格,并采用网格数量统计方式计算出所述已腐蚀网格的面积占比;The virtual mesh division divides the corrosion photos of the steel components of the power transmission and transformation equipment into several uncorroded meshes and several corroded meshes, and calculates the corrosion rate of the corroded meshes by means of grid number statistics. area ratio;

根据上述已腐蚀网格面积占比对所述输变电设备钢构件的腐蚀等级程度进行评价。The degree of corrosion of the steel components of the power transmission and transformation equipment is evaluated according to the above-mentioned proportion of the corroded grid area.

进一步地,获取输变电设备钢构件的腐蚀照片,并对所述输变电设备钢构件的腐蚀照片进行虚拟网格划分;包括:Further, obtain the corrosion photos of the steel components of the power transmission and transformation equipment, and perform virtual grid division on the corrosion photos of the steel components of the power transmission and transformation equipment; including:

在输变电设备钢构件的腐蚀部位设置具有刻度的直尺,作为标尺;A ruler with a scale is set on the corrosion part of the steel components of the power transmission and transformation equipment as a ruler;

对上述腐蚀部位进行拍摄,形成所述带标尺的输变电设备钢构件的腐蚀照片,并传输至具有腐蚀程度自动识别软件的数据库;The above-mentioned corrosion parts are photographed to form the corrosion photos of the steel components of the power transmission and transformation equipment with scales, and transmitted to the database with automatic corrosion degree identification software;

所述具有腐蚀程度自动识别软件的数据库将所述带标尺的输变电设备构件的腐蚀照片划分为若干个虚拟网格。The database with automatic corrosion degree recognition software divides the corrosion photos of the power transmission and transformation equipment components with scales into several virtual grids.

进一步地,所述虚拟网格划分将所述输变电设备钢构件的腐蚀照片划分为若干个未腐蚀网格和若干个已腐蚀网格,并计算所述已腐蚀网格的面积占比;包括:Further, the virtual grid division divides the corrosion photo of the steel component of the power transmission and transformation equipment into several uncorroded grids and several corroded grids, and calculates the area ratio of the corroded grids; include:

所述若干个已腐蚀网格分为均匀腐蚀网格和/或局部腐蚀网格,所述均匀腐蚀网格的面积占比为所述均匀腐蚀网格数量占总虚拟网格数量的比例;The several corroded grids are divided into uniform corroded grids and/or local corroded grids, and the area ratio of the uniform corroded grids is the ratio of the number of the uniform corroded grids to the total number of virtual grids;

所述局部腐蚀网格的面积以所述输变电设备钢构件的腐蚀照片中的标尺长度计算。The area of the local corrosion grid is calculated by the length of the ruler in the corrosion photo of the steel member of the power transmission and transformation equipment.

进一步地,所述局部腐蚀网格为单个锈斑。Further, the local corrosion grid is a single rust spot.

进一步地,所述输变电设备钢构件的腐蚀等级程度分为5级,其腐蚀程度包括微腐蚀、轻腐蚀、中腐蚀、重腐蚀和极重腐蚀。Further, the degree of corrosion of the steel components of the power transmission and transformation equipment is divided into 5 grades, and the degree of corrosion includes slight corrosion, light corrosion, moderate corrosion, heavy corrosion and extremely heavy corrosion.

进一步地,当所述输变电设备钢构件的腐蚀等级为1级时,其所述腐蚀程度为微腐蚀程度;Further, when the corrosion grade of the steel components of the power transmission and transformation equipment is grade 1, the corrosion degree is a micro-corrosion degree;

所述输变电设备钢构件的钢铁基体与表面镀锌层均完好、色泽正常,表面光滑平整,或者局部镀锌层颜色变成暗灰色或灰黑色,或局部出现白锈锌盐产物,但尚未出现红锈或棕锈。The steel matrix and the surface galvanized layer of the steel components of the power transmission and transformation equipment are in good condition, the color is normal, and the surface is smooth and flat, or the color of the local galvanized layer becomes dark gray or gray-black, or the white rust zinc salt product appears locally, but No red or brown rust yet.

进一步地,当所述输变电设备钢构件的腐蚀等级为2级时,其所述腐蚀程度为轻腐蚀程度;Further, when the corrosion grade of the steel components of the power transmission and transformation equipment is grade 2, the corrosion degree is a light corrosion degree;

所述输变电设备钢构件的钢铁基体出现轻微点锈,但点锈尚未联结成片,其表面镀锌层出现棕色锈点;The steel matrix of the steel component of the power transmission and transformation equipment has slight spot rust, but the spot rust has not been connected into pieces, and the surface galvanized layer has brown rust spots;

其已腐蚀网格为均匀腐蚀网格时,其锈蚀面积<3%;其已腐蚀网格为局部腐蚀网格时,其单个锈斑面积<1cm2When the corroded grid is uniformly corroded, its rusted area is <3%; when its corroded grid is a local corroded grid, its single rust area is <1cm 2 .

进一步地,当所述输变电设备钢构件的腐蚀等级为3级时,其所述腐蚀程度为中腐蚀程度;Further, when the corrosion grade of the steel components of the power transmission and transformation equipment is grade 3, the corrosion degree is a medium corrosion degree;

所述输变电设备钢构件的表面出现明显的红锈,红锈已初步联结成片,但较大面积锈斑主要在构件边角产生;There is obvious red rust on the surface of the steel components of the power transmission and transformation equipment, and the red rust has been initially connected into pieces, but a large area of rust spots is mainly generated at the corners of the components;

其已腐蚀网格为均匀腐蚀网格时,其3%≤锈蚀面积<10%;其已腐蚀网格为局部腐蚀网格时,其1cm2≤单个锈斑面积<4cm2When the corroded grid is uniformly corroded grid, its 3%≤corrosion area<10%; when its corroded grid is local corroded grid, its 1cm 2 ≤ single rust spot area<4cm 2 .

进一步地,当所述输变电设备钢构件的腐蚀等级为4级时,其所述腐蚀程度为重腐蚀程度;Further, when the corrosion grade of the steel component of the power transmission and transformation equipment is grade 4, the corrosion degree is a heavy corrosion degree;

所述输变电设备钢构件的表面出现较大的红锈并联结成片,边角和中间区域均产生红锈;Large red rust appears on the surface of the steel components of the power transmission and transformation equipment and is combined into pieces, and red rust occurs in the corners and the middle area;

其已腐蚀网格为均匀腐蚀网格时,其10%≤锈蚀面积<33%;其已腐蚀网格为局部腐蚀网格时,其4cm2≤单个锈斑面积<9cm2When the corroded grid is uniformly corroded grid, its 10%≤corrosion area<33%; when its corroded grid is a local corroded grid, its 4cm 2 ≤ single rust spot area<9cm 2 .

进一步地,当所述输变电设备钢构件的腐蚀等级为5级时,其所述腐蚀程度为极重腐蚀程度;Further, when the corrosion grade of the steel components of the power transmission and transformation equipment is grade 5, the corrosion degree is extremely severe corrosion degree;

所述输变电设备钢构件的表面出现大面积红锈,且常伴随红锈联结成片或分层、起壳、穿孔现象;A large area of red rust appears on the surface of the steel components of the power transmission and transformation equipment, and the red rust is often connected into pieces or delaminated, shelled, and perforated;

其已腐蚀网格为均匀腐蚀网格时,其锈蚀面积≥33%;其已腐蚀网格为局部腐蚀网格时,其单个锈斑面积≥9cm2When the corroded grid is uniformly corroded, the rusted area is ≥33%; when the corroded grid is localized corrosion, the single rust area is ≥9cm 2 .

本发明与现有技术相比,具有如下的优点和有益效果:Compared with the prior art, the present invention has the following advantages and beneficial effects:

本发明提供的一种输变电钢构件腐蚀程度自动评价方法,其主要原理为利用输变电设备钢构件的腐蚀形貌特征图,并将它虚拟网络划分,从而精确计算得到输变电设备钢构件已腐蚀的面积占比,将输变电设备钢构件已腐蚀的面积占比与输变电设备钢构件的腐蚀等级划分匹配,从而得到准确的输变电设备钢构件的腐蚀程度,提高了输变电设备钢构件腐蚀评价的准确性与效率。The invention provides an automatic evaluation method for the corrosion degree of power transmission and transformation steel components. The corroded area ratio of steel components of power transmission and transformation equipment is matched with the corrosion grade of steel components of power transmission and transformation equipment, so as to obtain an accurate degree of corrosion of steel components of power transmission and transformation equipment, and improve the The accuracy and efficiency of corrosion evaluation of steel components of power transmission and transformation equipment were obtained.

附图说明Description of drawings

此处所说明的附图用来提供对本发明实施例的进一步理解,构成本申请的一部分,并不构成对本发明实施例的限定。在附图中:The accompanying drawings described herein are used to provide further understanding of the embodiments of the present invention, and constitute a part of the present application, and do not constitute limitations to the embodiments of the present invention. In the attached image:

图1为本发明的流程图。FIG. 1 is a flow chart of the present invention.

具体实施方式Detailed ways

为使本发明的目的、技术方案和优点更加清楚明白,下面结合实施例和附图,对本发明作进一步的详细说明,本发明的示意性实施方式及其说明仅用于解释本发明,并不作为对本发明的限定。In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and the accompanying drawings. as a limitation of the present invention.

在以下描述中,为了提供对本发明的透彻理解阐述了大量特定细节。然而,对于本领域普通技术人员显而易见的是:不必采用这些特定细节来实行本发明。在其他实例中,为了避免混淆本发明,未具体描述公知的结构、电路、材料或方法。In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order to avoid obscuring the present invention.

在整个说明书中,对“一个实施例”、“实施例”、“一个示例”或“示例”的提及意味着:结合该实施例或示例描述的特定特征、结构或特性被包含在本发明至少一个实施例中。因此,在整个说明书的各个地方出现的短语“一个实施例”、“实施例”、“一个示例”或“示例”不一定都指同一实施例或示例。此外,可以以任何适当的组合和、或子组合将特定的特征、结构或特性组合在一个或多个实施例或示例中。此外,本领域普通技术人员应当理解,在此提供的示图都是为了说明的目的,并且示图不一定是按比例绘制的。这里使用的术语“和/或”包括一个或多个相关列出的项目的任何和所有组合。Throughout this specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention in at least one embodiment. Thus, appearances of the phrases "one embodiment," "an embodiment," "one example," or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures or characteristics may be combined in any suitable combination and/or subcombination in one or more embodiments or examples. Furthermore, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

实施例Example

如图1所示,一种输变电钢构件腐蚀程度自动评价方法,包括:获取输变电设备钢构件的腐蚀照片,并对输变电设备钢构件的腐蚀照片进行虚拟网格划分;虚拟网格划分将输变电设备钢构件的腐蚀照片划分为若干个未腐蚀网格和若干个已腐蚀网格,并采用网格数量统计方式计算出所述已腐蚀网格的面积占比;根据上述已腐蚀网格面积占比对输变电设备钢构件的腐蚀等级程度进行评价。As shown in Figure 1, an automatic evaluation method for the corrosion degree of power transmission and transformation steel components includes: obtaining corrosion photos of steel components of power transmission and transformation equipment, and performing virtual grid division on the corrosion photos of steel components of power transmission and transformation equipment; Grid division divides the corrosion photos of steel components of power transmission and transformation equipment into several uncorroded grids and several corroded grids, and calculates the area ratio of the corroded grids by means of grid number statistics; according to The above-mentioned proportion of corroded grid area is used to evaluate the degree of corrosion of steel components of power transmission and transformation equipment.

本方案其主要原理为利用输变电设备钢构件的腐蚀形貌特征图,并将它虚拟网络划分,从而精确计算得到输变电设备钢构件已腐蚀的面积占比,将输变电设备钢构件已腐蚀的面积占比与输变电设备钢构件的腐蚀等级划分匹配,从而得到准确的输变电设备钢构件的腐蚀程度,提高了输变电设备钢构件腐蚀评价的准确性与效率。The main principle of this scheme is to use the characteristic map of corrosion morphology of steel components of power transmission and transformation equipment, and divide it into a virtual network, so as to accurately calculate the proportion of the corroded area of steel components of power transmission and transformation equipment, and then divide the steel components of power transmission and transformation equipment. The proportion of the corroded area of the components matches the corrosion grade of the steel components of the power transmission and transformation equipment, so as to obtain the accurate corrosion degree of the steel components of the power transmission and transformation equipment, and improve the accuracy and efficiency of the corrosion evaluation of the steel components of the power transmission and transformation equipment.

进一步地,获取输变电设备钢构件的腐蚀照片,并对输变电设备钢构件的腐蚀照片进行虚拟网格划分;包括:在输变电设备钢构件的腐蚀部位设置具有刻度的直尺,作为标尺;对上述腐蚀部位进行拍摄,形成带标尺的输变电设备钢构件的腐蚀照片,并传输至具有腐蚀程度自动识别软件的数据库;具有腐蚀程度自动识别软件的数据库将带标尺的输变电设备钢构件的腐蚀照片划分为若干个虚拟网格。Further, obtaining the corrosion photos of the steel components of the power transmission and transformation equipment, and performing virtual grid division on the corrosion photos of the steel components of the power transmission and transformation equipment; including: setting a ruler with a scale on the corrosion parts of the steel components of the power transmission and transformation equipment, As a ruler; take pictures of the above-mentioned corrosion parts to form corrosion photos of steel components of power transmission and transformation equipment with rulers, and transmit them to the database with automatic corrosion degree recognition software; the database with automatic corrosion degree recognition software Corrosion photos of steel components of electrical equipment are divided into several virtual grids.

进一步地,虚拟网格划分将输变电设备钢构件的腐蚀照片划分为若干个未腐蚀网格和若干个已腐蚀网格,并计算已腐蚀网格的面积占比;包括:若干个已腐蚀网格分为均匀腐蚀网格和/或局部腐蚀网格,均匀腐蚀网格的面积占比为均匀腐蚀网格数量占总虚拟网格数量的比例;局部腐蚀网格的面积以输变电设备钢构件的腐蚀照片中的标尺长度计算。Further, the virtual mesh division divides the corrosion photos of the steel components of the power transmission and transformation equipment into several uncorroded meshes and several corroded meshes, and calculates the area ratio of the corroded meshes; including: several corroded meshes The grids are divided into uniform corrosion grids and/or local corrosion grids. The area ratio of uniform corrosion grids is the ratio of the number of uniform corrosion grids to the total number of virtual grids; the area of local corrosion grids is determined by the power transmission and transformation equipment. Calculation of ruler length in corrosion photographs of steel members.

进一步地,局部腐蚀网格为单个锈斑。Further, the local corrosion mesh is a single rust spot.

进一步地,输变电设备钢构件的腐蚀等级程度分为5级,其腐蚀程度包括微腐蚀、轻腐蚀、中腐蚀、重腐蚀和极重腐蚀。Further, the degree of corrosion of steel components of power transmission and transformation equipment is divided into 5 grades, and the degree of corrosion includes slight corrosion, light corrosion, medium corrosion, heavy corrosion and extremely heavy corrosion.

进一步地,当输变电设备钢构件的腐蚀等级为1级时,其腐蚀程度为微腐蚀程度;输变电设备钢构件的钢铁基体与表面镀锌层均完好、色泽正常,表面光滑平整,或者局部镀锌层颜色变成暗灰色或灰黑色,或局部出现白锈锌盐产物,但尚未出现红锈或棕锈。Further, when the corrosion grade of the steel components of power transmission and transformation equipment is grade 1, the degree of corrosion is the degree of micro-corrosion; the steel matrix and the surface galvanized layer of the steel components of power transmission and transformation equipment are in good condition, the color is normal, and the surface is smooth and flat. Or the color of local galvanized layer becomes dark gray or gray-black, or white rust zinc salt products appear locally, but red rust or brown rust has not yet appeared.

进一步地,当输变电设备钢构件的腐蚀等级为2级时,其腐蚀程度为轻腐蚀程度;输变电设备钢构件的钢铁基体出现轻微点锈,但点锈尚未联结成片,其表面镀锌层出现棕色锈点;其已腐蚀网格为均匀腐蚀网格时,其锈蚀面积<3%;其已腐蚀网格为局部腐蚀网格时,其单个锈斑面积<1cm2Further, when the corrosion grade of the steel components of power transmission and transformation equipment is grade 2, the degree of corrosion is light; Brown rust spots appear on the galvanized layer; when the corroded grid is uniformly corroded grid, its rusted area is less than 3%; when its corroded grid is localized corrosion grid, its single rust spot area is less than 1cm 2 .

进一步地,当输变电设备钢构件的腐蚀等级为3级时,其腐蚀程度为中腐蚀程度;输变电设备钢构件的表面出现明显的红锈,红锈已初步联结成片,但较大面积锈斑主要在构件边角产生;其已腐蚀网格为均匀腐蚀网格时,其3%≤锈蚀面积<10%;其已腐蚀网格为局部腐蚀网格时,其1cm2≤单个锈斑面积<4cm2Further, when the corrosion grade of the steel components of the power transmission and transformation equipment is grade 3, the corrosion degree is medium corrosion; Large-area rust spots are mainly generated at the corners of components; when the corroded grid is a uniform corrosion grid, its 3%≤corrosion area<10%; when its corroded grid is a local corrosion grid, its 1cm 2 ≤ a single rust spot Area <4cm 2 .

进一步地,当输变电设备钢构件的腐蚀等级为4级时,其腐蚀程度为重腐蚀程度;输变电设备钢构件的表面出现较大的红锈并联结成片,边角和中间区域均产生红锈;其已腐蚀网格为均匀腐蚀网格时,其10%≤锈蚀面积<33%;其已腐蚀网格为局部腐蚀网格时,其4cm2≤单个锈斑面积<9cm2Further, when the corrosion grade of the steel components of the power transmission and transformation equipment is grade 4, the degree of corrosion is the degree of heavy corrosion; large red rust appears on the surface of the steel components of the power transmission and transformation equipment and is combined into pieces, the corners and the middle area. All produce red rust; when the corroded grid is uniform corrosion grid, its 10%≤corrosion area<33%; when its corroded grid is local corrosion grid, its 4cm 2 ≤ single rust spot area<9cm 2 .

进一步地,当输变电设备钢构件的腐蚀等级为5级时,其腐蚀程度为极重腐蚀程度;输变电设备钢构件的表面出现大面积红锈,且常伴随红锈联结成片或分层、起壳、穿孔现象;其已腐蚀网格为均匀腐蚀网格时,其锈蚀面积≥33%;其已腐蚀网格为局部腐蚀网格时,其单个锈斑面积≥9cm2Further, when the corrosion grade of steel components of power transmission and transformation equipment is grade 5, the degree of corrosion is extremely severe; there is a large area of red rust on the surface of steel components of power transmission and transformation equipment, and often accompanied by red rust. Delamination, shelling and perforation; when the corroded grid is uniformly corroded, the rusted area is ≥33%; when the corroded grid is localized corrosion, the single rust area is ≥9cm 2 .

本方案的工作流程是:现场运维人员通过手机、照相机、数码望远镜、无人机、电力安全帽、高清晰度视频监控设备等多种拍摄载体,对输变电设备钢构件的腐蚀部位进行拍照,照片中具有带刻度的直尺作为标尺,可对更加快速地对照片内的已腐蚀网格进行统计计算。The workflow of this scheme is as follows: the on-site operation and maintenance personnel use mobile phones, cameras, digital telescopes, drones, power helmets, high-definition video monitoring equipment and other shooting carriers to carry out inspections on the corroded parts of the steel components of power transmission and transformation equipment. Take a photo with a ruler with a scale as a ruler, which can perform statistical calculations on the corroded mesh in the photo more quickly.

通过手机本机、SD卡、USB线、蓝牙、4G、5G、WIFI等多种数据传输手段,将多种载体拍摄的腐蚀照片,传输至具有腐蚀程度自动识别软件的数据库中;具有腐蚀程度自动识别软件的数据库将上传后的照片划分为若干个虚拟网格,设:青灰色或青白色网格识别为未腐蚀网格,棕色或红棕色网格识别为已腐蚀网格。Through various data transmission methods such as mobile phone, SD card, USB cable, Bluetooth, 4G, 5G, WIFI, etc., the corrosion photos taken by various carriers are transmitted to the database with automatic corrosion degree identification software; The database of the recognition software divides the uploaded photos into several virtual grids, and it is assumed that the blue-gray or blue-white grids are identified as uncorroded grids, and the brown or reddish-brown grids are identified as corroded grids.

以上所述的具体实施方式,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施方式而已,并不用于限定本发明的保护范围,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The specific embodiments described above further describe the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1.一种输变电钢构件腐蚀程度自动评价方法,其特征在于,包括:1. an automatic evaluation method for the degree of corrosion of power transmission and transformation steel components, is characterized in that, comprising: 获取输变电设备钢构件的腐蚀照片,并对所述输变电设备钢构件的腐蚀照片进行虚拟网格划分;Obtaining corrosion photos of steel components of power transmission and transformation equipment, and performing virtual mesh division on the corrosion photos of steel components of power transmission and transformation equipment; 所述虚拟网格划分将所述输变电设备钢构件的腐蚀照片划分为若干个未腐蚀网格和若干个已腐蚀网格,并采用网格数量统计方式计算出所述已腐蚀网格的面积占比;The virtual mesh division divides the corrosion photos of the steel components of the power transmission and transformation equipment into several uncorroded meshes and several corroded meshes, and calculates the corrosion rate of the corroded meshes by means of grid number statistics. area ratio; 根据上述已腐蚀网格的面积占比和所述输变电设备钢构件的腐蚀等级程度匹配,得到准确的腐蚀评价结果。According to the matching of the area ratio of the corroded grids and the degree of corrosion of the steel components of the power transmission and transformation equipment, an accurate corrosion evaluation result is obtained. 2.根据权利要求1所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,获取输变电设备钢构件的腐蚀照片,并对所述输变电设备钢构件的腐蚀照片进行虚拟网格划分;包括:2. The method for automatically evaluating the corrosion degree of a power transmission and transformation steel member according to claim 1, wherein the corrosion photo of the steel member of the power transmission and transformation equipment is obtained, and the corrosion photo of the steel member of the power transmission and transformation equipment is obtained. Perform virtual meshing; including: 在输变电设备钢构件的腐蚀部位设置具有刻度的直尺,作为标尺;A ruler with a scale is set on the corrosion part of the steel components of the power transmission and transformation equipment as a ruler; 对上述腐蚀部位进行拍摄,形成所述带标尺的输变电设备钢构件的腐蚀照片,并传输至具有腐蚀程度自动识别软件的数据库;The above-mentioned corrosion parts are photographed to form the corrosion photos of the steel components of the power transmission and transformation equipment with scales, and transmitted to the database with automatic corrosion degree identification software; 所述具有腐蚀程度自动识别软件的数据库将所述带标尺的输变电设备钢构件的腐蚀照片划分为若干个虚拟网格;The database with automatic corrosion degree identification software divides the corrosion photos of the steel components of the power transmission and transformation equipment with scales into several virtual grids; 所述具有腐蚀程度自动识别软件的数据库还配置有所述输变电设备钢构件的腐蚀等级和腐蚀程度。The database with automatic corrosion degree identification software is also configured with the corrosion grade and corrosion degree of the steel components of the power transmission and transformation equipment. 3.根据权利要求2所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,所述虚拟网格划分将所述输变电设备钢构件的腐蚀照片划分为若干个未腐蚀网格和若干个已腐蚀网格,并计算所述已腐蚀网格的面积占比;包括:3. The method for automatically evaluating the corrosion degree of a power transmission and transformation steel member according to claim 2, wherein the virtual grid division divides the corrosion photo of the power transmission and transformation equipment steel member into several uncorroded mesh and several corroded meshes, and calculate the area ratio of the corroded meshes; including: 所述若干个已腐蚀网格分为均匀腐蚀网格和局部腐蚀网格,所述均匀腐蚀网格的面积占比为所述均匀腐蚀网格数量占总虚拟网格数量的比例;The several corroded grids are divided into uniform corroded grids and local corroded grids, and the area ratio of the uniform corroded grids is the ratio of the number of the uniform corroded grids to the total number of virtual grids; 所述局部腐蚀网格的面积以所述输变电设备钢构件的腐蚀照片中的标尺长度计算。The area of the local corrosion grid is calculated by the length of the ruler in the corrosion photo of the steel member of the power transmission and transformation equipment. 4.根据权利要求3所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,所述局部腐蚀网格为单个锈斑。4 . The method for automatically evaluating the corrosion degree of power transmission and transformation steel components according to claim 3 , wherein the local corrosion grid is a single rust spot. 5 . 5.根据权利要求4所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,所述输变电设备钢构件的腐蚀等级程度分为5级,其腐蚀程度包括微腐蚀、轻腐蚀、中腐蚀、重腐蚀和极重腐蚀。5. The automatic evaluation method for the corrosion degree of a power transmission and transformation steel component according to claim 4, wherein the corrosion degree of the steel component of the power transmission and transformation equipment is divided into 5 grades, and the corrosion degree includes micro-corrosion, Light Corrosion, Medium Corrosion, Heavy Corrosion and Very Heavy Corrosion. 6.根据权利要求5所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,当所述输变电设备钢构件的腐蚀等级为1级时,其所述腐蚀程度为微腐蚀程度;6 . The automatic evaluation method for the corrosion degree of power transmission and transformation steel components according to claim 5 , wherein, when the corrosion level of the steel components of the power transmission and transformation equipment is level 1, the corrosion degree is slightly less. 7 . degree of corrosion; 所述输变电设备钢构件的钢铁基体与表面镀锌层均完好、色泽正常,表面光滑平整,或者局部镀锌层颜色变成暗灰色或灰黑色,或局部出现白锈锌盐产物,但尚未出现红锈或棕锈。The steel matrix and the surface galvanized layer of the steel components of the power transmission and transformation equipment are in good condition, the color is normal, and the surface is smooth and flat, or the color of the local galvanized layer becomes dark gray or gray-black, or the white rust zinc salt product appears locally, but No red or brown rust yet. 7.根据权利要求5所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,当所述输变电设备钢构件的腐蚀等级为2级时,其所述腐蚀程度为轻腐蚀程度;7 . The method for automatically evaluating the corrosion degree of power transmission and transformation steel components according to claim 5 , wherein when the corrosion level of the steel components of the power transmission and transformation equipment is level 2, the corrosion degree is light. 8 . degree of corrosion; 所述输变电设备钢构件的钢铁基体出现轻微点锈,但点锈尚未联结成片,其表面镀锌层出现棕色锈点;The steel matrix of the steel component of the power transmission and transformation equipment has slight spot rust, but the spot rust has not been connected into pieces, and the surface galvanized layer has brown rust spots; 其已腐蚀网格为均匀腐蚀网格时,其锈蚀面积<3%;其已腐蚀网格为局部腐蚀网格时,其单个锈斑面积<1cm2When the corroded grid is uniformly corroded, its rusted area is <3%; when its corroded grid is a local corroded grid, its single rust area is <1cm 2 . 8.根据权利要求5所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,当所述输变电设备钢构件的腐蚀等级为3级时,其所述腐蚀程度为中腐蚀程度;8 . The automatic evaluation method for the corrosion degree of power transmission and transformation steel components according to claim 5 , wherein when the corrosion level of the steel components of the power transmission and transformation equipment is level 3, the corrosion degree is medium. 9 . degree of corrosion; 所述输变电设备钢构件的表面出现明显的红锈,红锈已初步联结成片,但较大面积锈斑主要在构件边角产生;There is obvious red rust on the surface of the steel components of the power transmission and transformation equipment, and the red rust has been initially connected into pieces, but a large area of rust spots is mainly generated at the corners of the components; 其已腐蚀网格为均匀腐蚀网格时,其3%≤锈蚀面积<10%;其已腐蚀网格为局部腐蚀网格时,其1cm2≤单个锈斑面积<4cm2When the corroded grid is uniformly corroded grid, its 3%≤corrosion area<10%; when its corroded grid is local corroded grid, its 1cm 2 ≤ single rust spot area<4cm 2 . 9.根据权利要求5所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,当所述输变电设备钢构件的腐蚀等级为4级时,其所述腐蚀程度为重腐蚀程度;9 . The automatic evaluation method for the corrosion degree of power transmission and transformation steel components according to claim 5 , wherein when the corrosion level of the steel components of the power transmission and transformation equipment is level 4, the corrosion degree is heavy. 10 . degree of corrosion; 所述输变电设备钢构件的表面出现较大的红锈并联结成片,边角和中间区域均产生红锈;Large red rust appears on the surface of the steel components of the power transmission and transformation equipment and is combined into pieces, and red rust occurs in the corners and the middle area; 其已腐蚀网格为均匀腐蚀网格时,其10%≤锈蚀面积<33%;其已腐蚀网格为局部腐蚀网格时,其4cm2≤单个锈斑面积<9cm2When the corroded grid is uniformly corroded grid, its 10%≤corrosion area<33%; when its corroded grid is a local corroded grid, its 4cm 2 ≤ single rust spot area<9cm 2 . 10.根据权利要求5所述的一种输变电钢构件腐蚀程度自动评价方法,其特征在于,当所述输变电设备钢构件的腐蚀等级为5级时,其所述腐蚀程度为极重腐蚀程度;10 . The automatic evaluation method for the corrosion degree of power transmission and transformation steel components according to claim 5 , wherein when the corrosion level of the steel components of the power transmission and transformation equipment is level 5, the corrosion degree is extremely high. 11 . degree of heavy corrosion; 所述输变电设备钢构件的表面出现大面积红锈,且常伴随红锈联结成片或分层、起壳、穿孔现象;A large area of red rust appears on the surface of the steel components of the power transmission and transformation equipment, and the red rust is often connected into pieces or delaminated, shelled, and perforated; 其已腐蚀网格为均匀腐蚀网格时,其锈蚀面积≥33%;其已腐蚀网格为局部腐蚀网格时,其单个锈斑面积≥9cm2When the corroded grid is uniformly corroded, the rusted area is ≥33%; when the corroded grid is localized corrosion, the single rust area is ≥9cm 2 .
CN202011074283.6A 2020-10-09 2020-10-09 An automatic evaluation method for the corrosion degree of power transmission and transformation steel components Pending CN112051209A (en)

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Application publication date: 20201208