Brushless motor drive based scissors door system
A technology of brushless motors and scissor doors, applied in roads, restricted traffic, roads, etc., can solve the problems of short service life, complex structure, high maintenance cost, etc., to improve safety, increase passenger flow, and avoid injuries Effect
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[0019] The scissor door system adopting the brushless DC motor as the power source proposed by the present invention improves the reliability, safety and traffic efficiency of the system from various considerations. Firstly, the reliability of the system is improved by using a brushless DC motor as the power source; secondly, the safety of the system is improved by the motor controller to realize the pinch protection function; then, the passage efficiency of the gate is improved by reducing the opening / closing time.
[0020] figure 1 It is a system diagram of a scissor door driven by a brushless motor. Its main working principle is as follows:
[0021] The system includes a frame, a door, a four-bar mechanism, a motor, a motor controller, an arc guide rail, a spring, and a limit block. The door, four-bar mechanism, motor, motor controller, curved guide rail, and limit block are all installed on the frame. The motor used is a brushless DC motor. The four-bar mechanism includes a c...
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