Intelligent inspection robot opens the era of Jiaxing Power "Industry 4.0"
On May 8th, in the Yuexin Substation located in Haiyan Town, a smart inspection robot with a pair of big eyes was walking in a leisurely stroll, and from time to time it stopped to "go east and west." This is the first time that a 220 kV substation in Jiaxing has been put into use with a practical intelligent inspection robot. The inspection work of electric power has begun to enter the " Industry 4.0 " era.
From the appearance of the intelligent inspection robot, it seems to be the tile power in "Robot Story", the most attractive one is to count a pair of cute big eyes. According to the staff, these big eyes are actually two high-precision visible light cameras, which can complete tasks such as visible light video shooting and instrument image recognition. Even if the dial is separated by more than ten meters, the data on the dial can be read. Clear and clear.
The intelligent inspection robot â€œwalksâ€ through the four wheels on the bottom floor, but it can not walk fast, but can cleverly bypass obstacles and flexibly move up and down. Before going to a device, it must stop and look up for a moment. In fact, in the process of watching, the robot has completed a series of work such as infrared temperature detection, fault detection, data acquisition and analysis, and transmitted all the data back to the background. Workers only need to monitor the video and data sent back in front of the computer.
At present, the intelligent inspection robot can perform high-definition visible light and infrared real-time video monitoring, infrared temperature measurement and fault alarm, and intelligent identification of high-voltage equipment in outdoor 35 kV and main transformer areas, 110 kV and 220 kV areas. And alarm, video recording and photo shooting, inspection report analysis and historical data analysis, micro-meteorological data acquisition, sound collection, two-way voice intercom, high-precision stop and alarm. The staff can control by autonomous or remote control, and can select the built-in program or custom inspection according to actual needs. If there is no power, it will automatically return to charge.
Speaking of the intelligent inspection robot, the staff of Jiayue Shuanghuan Electric Maintenance Weiban are full of praise for it. It is reported that Jiayue Shuanghuan Electric Witness has a total of 6 substations, covering the electricity consumption of Haining and Haiyan. There are 20 people in the operation and maintenance class, three shifts are carried out, and two substations are inspected one day. The farthest substation has a distance of more than 30 kilometers, and the manpower is scarce and the work intensity is high. After the intelligent inspection robot , reducing the workload of one third of the staff.
In addition to reducing the workload, the quality of inspections is also rising. "The temperature of the equipment largely determines the safety of the equipment, but when people go to the inspection, mainly through watching, touching, listening, etc., some small temperature changes, we can not perceive, but the robot is different. Its infrared temperature measurement will not let off a little bit of temperature change." Yu Hongwei, the squad leader of the Jiayue double-change electrician, said. "In addition, in some extreme weather, the advantages of robots are even more prominent." Yu Hongwei introduced. In the event of typhoons, thunderstorms, ice storms, etc., the power sector needs to ensure power stability and timely inspection of substation equipment, but such weather is very unfavorable for travel, and may even cause damage to workers. At this time, intelligent inspection robots It can replace the complicated, difficult and dangerous work encountered in the inspection, and discover the equipment abnormalities and defects in time to ensure the stable operation of the power grid.
With the overall development goals and planning of the State Grid Corporation's â€œBuilding a Strong Smart Gridâ€ and the promotion of the integrated operation mode, robots with integrated high-tech and advanced technologies such as automation, machinery, artificial intelligence and computers will become the â€œIndustry 4.0â€ for the power industry. An important force in the process. It is expected that by the end of this year, the intelligent inspection robot will cover all open 220 kV substations in the city.
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A ten-layer board should be used when six routing layers are required. Ten-layer boards, therefore, usually have six signal layers and four planes. Having more than six signal layers on a ten-layer board is not recommended. Ten-layers is also the largest number of layers that can usually be conveniently fabricated in a 0.062" thick board. Occasionally you will see a twelve-layer board fabricated as a 0.062" thick board, but the number of fabricators capable of producing it are limited..
High layer count boards (ten +) require thin dielectrics (typically 0.006" or less on a 0.062" thick board) and therefore they automatically have tight coupling between layers. When properly stacked and routed they can meet all of our objectives and will have excellent EMC performance and signal integrity.
A very common and nearly ideal stack-up for a ten-layer board is shown in Figure 12. The reason that this stack-up has such good performance is the tight coupling of the signal and return planes, the shielding of the high-speed signal layers, the existence of multiple ground planes, as well as a tightly coupled power/ground plane pair in the center of the board. High-speed signals normally would be routed on the signal layers buried between planes (layers 3-4 and 7-8 in this case).
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