The coal industry has contributed 92.5 billion tons of coal products to the economic and social development during the 70 years of load operation, but it has also brought a series of serious problems during the rapid development. Some coal mines often have high load or even super capacity production and safety production accidents
With the improvement of modernization and people's living standard in our country, people have increasingly high requirement on the quality of transmission, especially high voltage transmission. At the same time, the current status of transmission line maintenance is discussed. The awareness of transmission line maintenance must be raised. According to the importance, controllability and maintainability of the equipment
Intelligent toilet visible doorbell ultra-low power consumption millimeter wave radar detection module induction ten advantages, in order to measure moving objects or moving human body, it is necessary to prevent other continuous moving objects in the environment may cause
Centimeter-level UWB positioning module UWB coal mine personnel positioning system vehicle management, in coal mining enterprises, many mining vehicles are transported 24 hours a day. It is difficult to manage due to its fast speed, strong liquidity and large quantity. Coal mine personnel positioning system
The site was a road surveillance project. Due to complex construction and inconvenient wiring, this project adopts wireless transmission, which requires real-time monitoring of road conditions 24 hours a day and 24-hour monitoring and video recording. There are 12 network HD cameras on site, among which two cameras are transmitted at 6 and 7 o 'clock. Since there are two obstacles in the transmission, we need to find a relay point. This relay point can not only see the transmitter or receiver
Indoor millimeter wave radar has module advantages and functions, millimeter band definition is generally 30~300GHz frequency domain (wavelength is 1~10mm) electromagnetic wave called millimeter wave, located in the wavelength range of microwave and far infrared wave overlap