Design and test of wireless power supply and motor freewheeling for mining LiDAR sensor
The working process of mining LiDAR sensor requires 360° scanning,the power supply issue between the motherboard and the rotating laser is a key focus in the design of LiDAR sensors,simultaneously,rotating the coils in the motor as typical energy storage components,during operation,especially at the moment of sudden changes in forward and reverse directions,the energy brought by its reverse electromotive force impact poses a risk of detonation in explosive gas environments underground coal mines.A wireless power supply structure based on a 360° rotation LiDAR sensor is designed,and a parallel resistor freewheeling method is researched and developed,the problem of the motor being unable to rotate normally due to the reduced output power of the freewheeling circuit is solved,at the same time,corresponding test methods for wireless power supply and freewheeling circuits in accordance with the requirements of GB/T 3836.4 standard is proposed,the experimental results are analyzed.Final result indicates that the designed circuit structure meets the intrinsic safety requirements.
LiDARenergy storage componentreverse electromotive forcewireless power supply
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维普
