The application of linear diaplacement sensor！

The geometric state parameters of the train rim affect the speed and smoothness of the train operation, which is very important for the safe operation of the train. The traditional means of detection is more complex, usually with a cursors with a special ruler to measure the data on the manual reading caused by the measurement error is relatively large, and can not achieve the digital data management. With the development of China's railway industry, the train running faster and faster, the train wheel status parameters of the precise and rapid maintenance and digital management has become very important. The wheel detector uses modern sensor technology, single-chip processing system and simple and stable mechanical structure, which can be used to measure the geometric state parameters accurately and realize the digitization of the parameters such as rim height and rim thickness.
Wheel height, width, rim thickness and other aspects of the detection using a lot of sensors, and the most concerned about the displacement sensor, displacement sensors are many, used in the train wheel edge detection is the new sensor technology is called laser displacement sensor. Currently used in the detection of the train rim is the laser triangulation method, the short distance measurement accuracy is very high. Can be directly installed in the orbit of the displacement sensor to detect, the same can also use laser-reflective displacement sensor for the measurement device laser sensor die in the direction of linear scanning edge shape, while recording the entire rim data. Through the microprocessor to get the entire contour curve, and then find the flange width, rim height, 70mm wear and wear area. And can measure the data uploaded to the computer, generate a database, the use of advanced post-processing software for the train wheel digital management. It can not only run on the train to measure the wheel wear, but also in the production line on the wheel size is qualified for sorting.
The development of transportation is inseparable from the detection technology, and instrumentation and sensor technology is the core of detection technology. High-speed power development today, people not only want to experience the comfort and enjoyment, and with more hope to get safe. The development of sensor technology will bring more safety to people's living and transportation. The development of sensor technology in China will also bring the first-class advanced technology development in transportation industry.absolute encoder, incremental encoder,

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