摘要：【中文】本发明一种高钢级管线环焊缝的宏观形貌分道次显示方法，包括步骤1，将高钢级管线环焊缝的检验面制备成光面；向无水乙醇中加入硝酸、盐酸和FeCl₃后混合均匀，得到溶液A；向苦味酸的饱和水溶液中加入盐酸，混合均匀得到溶液B；步骤2，将光面用溶液A腐蚀3‑8s后吹干，浸入溶液B，在60‑90℃下浸蚀30‑50min后取出；步骤3，将试样表面的黑色腐蚀产物去除，完成高钢级管线环焊缝的宏观形貌分道次显示。该方法省去了常规工艺中对试样的抛光处理，操作简单快捷，试验浸蚀后表面清晰显示每一道焊缝区域的边界，试验人员可快速对焊接道次情况做出判断，试验结果准确可靠。 【EN】The invention relates to a method for displaying the macroscopic morphology of a high-steel-grade pipeline circumferential weld in a multi-pass manner, which comprises the following steps of 1, preparing a test surface of the high-steel-grade pipeline circumferential weld into a smooth surface; adding nitric acid, hydrochloric acid and FeCl into absolute ethyl alcohol₃Then evenly mixing to obtain a solution A; adding hydrochloric acid into a saturated aqueous solution of picric acid, and uniformly mixing to obtain a solution B; step 2, corroding the polished surface with the solution A for 3-8s, then drying the polished surface by blowing, immersing the polished surface in the solution B, and taking out the polished surface after immersing for 30-50min at the temperature of 60-90 ℃; and 3, removing black corrosion products on the surface of the sample, and completing the step-by-step display of the macroscopic appearance of the high-steel-grade pipeline circumferential weld. The method omits the polishing treatment of the sample in the conventional process, has simple and rapid operation and is easy and quick to testThe surface after etching clearly displays the boundary of each welding line area, so that a tester can quickly judge the welding pass condition, and the test result is accurate and reliable.

摘要：【中文】本发明公开了一种管线环焊缝宏观金相拍摄分析装置及其使用方法，图像采集装置固定在固定架上，图像采集装置上设置有调焦旋钮和放大倍率调节旋钮，柔光照明系统布设在图像采集装置的镜头底端外圈，测量标尺设置在固定架上放置待检测焊缝试样的位置；图像采集装置用于采集待检测焊缝试样的图像信息，并将采集的图像信息发送给图像处理模块，图像处理模块用于对接收的图像信息进行亮度调节、对比度增强处理以及焊缝熔合线轮廓提取，并将处理后的图像信息发送给图像测量模块，图像测量模块用于测量焊缝中的缺陷尺寸。本发明能够快速获取高质量的环焊缝宏观金相图片，可以直接对焊接接头中缺陷尺寸等进行检验测量，检验结果准确可靠。 【EN】The invention discloses a macroscopic metallographic shooting and analyzing device for a pipeline ring weld joint and a using method thereof.A picture collecting device is fixed on a fixed frame, a focusing knob and a magnification adjusting knob are arranged on the picture collecting device, a soft light illuminating system is arranged on the outer ring of the bottom end of a lens of the picture collecting device, and a measuring scale is arranged at the position of the fixed frame for placing a weld joint sample to be detected; the image acquisition device is used for acquiring image information of a welding seam sample to be detected, the acquired image information is sent to the image processing module, the image processing module is used for carrying out brightness adjustment, contrast enhancement processing and welding seam fusion line outline extraction on the received image information, the processed image information is sent to the image measurement module, and the image measurement module is used for measuring the defect size in the welding seam. The invention can quickly obtain the high-quality macroscopic metallographic picture of the circumferential weld, can directly carry out detection measurement on the size of the defect in the welded joint and the like, and has accurate and reliable detection result.

摘要：【中文】本发明涉及智能变电站主子站间数据传输方法，包括如下步骤：S1主子站间建立配置、数据传输通道；S2主站通过配置通道获取子站的CFG‑1配置文件，并编辑选择所需的稳态数据和动态数据形成CFG‑2配置文件，后将CFG‑2配置文件再通过配置通道下发到子站；S3、主站通过数据传输通道向子站发送启动实时数据传输命令；S4、子站根据所接收到的CFG‑2配置文件，通过数据传输通道定时向主站发送稳态实时数据和动态实时数据。本发明通过配置通道对子站稳态数据和动态数据进行配置，并通过数据传输通道上送至主站，实现了电力系统主子站间稳态数据和动态数据的统一采集和一体化传输，极大地提高了数据传输效率。 【EN】The invention relates to a method for transmitting data between a main station and a sub-station of an intelligent substation, which comprises the following steps: s1, establishing a configuration and data transmission channel between the main station and the sub station; s2, the main station acquires the CFG-1 configuration file of the substation through the configuration channel, edits and selects the required steady-state data and dynamic data to form a CFG-2 configuration file, and then transmits the CFG-2 configuration file to the substation through the configuration channel; s3, the master station sends a real-time data transmission starting command to the substation through the data transmission channel; and S4, the substation sends the steady-state real-time data and the dynamic real-time data to the main station at regular time through the data transmission channel according to the received CFG-2 configuration file. The invention configures the steady state data and the dynamic data of the sub-station through the configuration channel and transmits the data to the main station through the data transmission channel, thereby realizing the uniform acquisition and the integrated transmission of the steady state data and the dynamic data between the main station and the sub-station of the power system and greatly improving the data transmission efficiency.