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UHV line inspectors are comparable to Adi Li, whose task is to clear tree barriers for line access. It is understood that after the line inspector boarded the high-voltage line, the nearest distance between the cable under his feet and the ground was 12 meters, and the highest was 800 meters. In order to carry out inspections, they implemented segmented high-altitude inspections. Record all safety hazards along and below the high-voltage line. The power department recruits line inspectors every year and must undergo strict professional pre-job training and examinations. Because the high-voltage line crosses rivers, and there are mountains and ridges, the highest distance from the ground is 800 meters, and the following is either a deep mountain canyon or a torrential river, so the psychological quality and physical fitness must be excellent.

EHV line inspector

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UHV line inspectors are comparable to Adi Li, whose task is to clear tree barriers for line access. It is understood that after the line inspector boarded the high-voltage line, the nearest distance between the cable under his feet and the ground was 12 meters, and the highest was 800 meters. In order to carry out inspections, they implemented segmented high-altitude inspections. Record all safety hazards along and below the high-voltage line. The power department recruits line inspectors every year and must undergo strict professional pre-job training and examinations. Because the high-voltage line crosses rivers, and there are mountains and ridges, the highest distance from the ground is 800 meters, and the following is either a deep mountain canyon or a torrential river, so the psychological quality and physical fitness must be absolutely perfect.

Chinese name

EHV line inspector

Part of speech

noun

Task

Clearing Tree Barriers for Line Channels

Influencing factors

Geographical environment, weather conditions

Common line inspections are performed by the maintenance personnel of the power supply bureau with the naked eye or telescope. Because of the geographical environment, weather conditions and other factors, some hidden dangers are not easy to be found. When encountering lines across rivers or deep mountains, maintenance personnel often have no choice. "The reporter learned that the" autonomous line inspection robot between stations of ultra-high-voltage lines "being developed can replace manual inspections, which is very convenient.

The reporter saw in the R & D drawings that the autonomous line-tracking robot is composed of two long "arms", a data diagnosis and transmission system, a navigation identification and positioning system, and a power system. When the robot is patrolling the line, under the command of the GPS navigation recognition and positioning system, it can use the "arm" with a pulley to walk freely on the power transmission line. When it encounters an obstacle, it can automatically adjust the "arm" to go over and use the configured The camera records the operation of the device throughout the process, and sends the detected data and images to the ground base station through a wireless transmission system. Based on the returned data, the ground personnel can grasp the operating status of the transmission line, and timely discover the fault conditions such as the damage and defects of the line facilities.

Ye Shuguang, general manager of Nanjing Jinsiyuan Electric Power Technology Co., Ltd., said that before that, some companies and research institutes have developed line inspection robots, and another company has made prototypes, but after field tests, many defects were found. First of all, the robot must have a power source to work. It used to be a battery, and it was cumbersome to change the battery. Second, the robot would jam if it encountered obstacles such as towers.

The robot jointly developed by the company and the Chinese Academy of Sciences and Xi'an Jiaotong University this time uses induction power extraction technology and artificial intelligence mechanical design to increase the robot's ability to draw power from high voltage lines and freely climb over obstacles.

According to the design, the robot is not flexible enough. If it is to be on the job, it must be sent to a high-voltage line by a crane working at height. "The project leader revealed that they are studying how to allow the robot to automatically climb on the telephone pole.

It is reported that in the Xi'an Jiaotong University Digital Technology and Intelligent System Key Laboratory Control Engineering Network Copyright, this line-tracking robot is under intense development. According to the statistics of the laboratory, the speed of the robot inspection is about 1 km per hour, the price of each unit is about 2 million yuan, and the life span is 10-15 years.