The elevator door motor frequency conversion control system comprises an elevator door motor and a car door, the elevator door motor comprises a control unit, a permanent magnet transmission motor and a transmission mechanism, the control unit comprises a processing module and an intelligent power module, and the intelligent power module is used for vectorizing voltage to generate a voltage pulse sequence; the voltage pulse sequence comprises three-phase symmetrical sine-wave voltage generation and an ideal magnetic flux circle generated by an alternating-current motor during power supply, the intelligent power module inputs different signals to the processing module, and the processing module drives an elevator door motor to adjust a switching mode according to the input signals; the actual magnetic flux generated by the intelligent power module approaches the magnetic flux of the ideal magnetic flux circle, and after the actual magnetic flux is compared with the magnetic flux of the ideal magnetic flux circle, the working state of the intelligent power module is determined so as to control opening and closing of the elevator door. The intelligent frequency conversion control and permanent magnet synchronous transmission technology is adopted, stable, safe, reliable and efficient operation of the system is achieved, and the problems that people are clamped and trapped by an existing elevator door are solved.
本发明公开了一种电梯门机变频控制系统,包括电梯门机和轿门,电梯门机包括控制单元、永磁传动电机和传动机构,控制单元包括处理模块和智能功率模块,智能功率模块用于将电压矢量化生成电压脉冲序列,电压脉冲序列包括生成三相对称正弦波电压和供电时交流电动机生成的理想磁通圆为基准,用智能功率模块朝向处理模块输入不同的信号,处理模块根据输入的信号带动电梯门机调整开关模式,智能功率模块产生的实际磁通去逼近理想磁通圆的磁通,实际磁通和理想磁通圆的磁通进行比较后决定智能功率模块的工作状态以控制电梯门的开关。采用智能变频控制及永磁同步传动技术,实现系统稳定、安全、可靠、高效地运行,解决现有电梯门夹人、困人等问题。
Frequency conversion control system for elevator door motor
一种电梯门机变频控制系统
2022-12-02
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |
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