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Abstract: As a power detection equipment, the substation inspection robot has an important help to China's power inspection work. The inspection robot can perform automatic inspection work without being affected by the voltage of the substation. Compared with manual inspection, it appears more Intelligent. Substation inspection robots are based on mobile robots.
Substation inspection robot, as a power detection device, has an important help to China's power inspection work. The inspection robot can perform automatic inspection work without being affected by the voltage of the substation. Compared with manual inspection, it appears more intelligent. . Substation inspection robots are based on mobile robots, with visible light cameras, infrared cameras and other measuring instruments as load systems, machine vision, electromagnetic fields, GPS and GIS as multi-field information fusion systems, and embedded computers as control systems. Navigation System. Software and hardware development platform.
The overall structure of the substation inspection robot mainly includes three parts: a base station, a moving body control system, and a power plant equipment detection system consisting of a visible light image camera, an infrared image camera, and an acoustic detector. The moving body is the moving carrier and information collection and control carrier of the entire robot system, and mainly includes the moving body, the moving body motion control system and the communication system. For moving objects, effective monitoring, control and management are required. For this purpose, a base station has been established. A wireless LAN is formed between a base station and a mobile body through a wireless bridge. Through the video stream data from the video server and the information from the mobile control system, visible light images and infrared images are collected to the network center. Through the wireless bridge, the network hub transmits to the monitoring terminal through the internal network of the power system. Computers connected to the local area network of the power system can be accessed based on the data. Real-time measurement of real-time and infrared video images of substation equipment.
After the patrol mission of the substation is completed, the temperature of the equipment is analyzed, and the temperature is displayed in the field of patrol time and equipment type and pattern recognition. Operate the temperature of the display device at each inspection point to observe the robot inspection items in real time. When the temperature rises above the threshold, an alarm message is issued and a device inspection report is formed. In the test report, the equipment name, inspection time, infrared image and three-phase comparison results are recorded in detail, which provides operators with an intuitive platform to understand the equipment at the station is easier to operate. Robot engineering uses a pattern recognition algorithm to complete a three-phase comparative analysis of substation equipment. Using this technology, the robot can automatically analyze the specific shooting equipment from the background infrared thermal image, and the analysis results are given in the field of intelligent equipment. At the same time, these three stages can be intelligently extracted in the infrared camera with three-phase equipment, and comparative analysis data can be given.
The inspection robot can input equipment distribution and site details, and requires the patrol equipment distribution diagram and circuit diagram patrol system to enable the robot to patrol and inspect equipment and circuits in a substation according to a preset route. This is more convenient for NIONT for substation equipment and Operation and maintenance management of circuits. Intelligent robots can replace daily manual inspections and effectively detect equipment and lines in substations. It can detect faults in time through automatic, local or remote control. It can measure the noise, temperature, the appearance of equipment, the opening of the instrument and the value of the knife gate during the inspection process. It has the characteristics of strong objectivity, high degree of standardization, intelligence, and diversity. During the inspection process, a log management integration time, route, inspection content, and report management can be formed, thereby realizing the entire process of patrol management and monitoring, providing operators with timely and reliable equipment information and providing reliable Data analysis provides decision support for operations maintenance managers.
With the gradual improvement of the intelligent detection system, the substation inspection robot will play an increasingly important role in the daily inspection of the substation and will replace the traditional manual inspection in the near future. Intelligent detection has made great progress in many aspects.