The present disclosure relates to an electromagnetic brake configured to slow down a deceleration rate of a passenger conveyor, such as an elevator car, during braking. In particular, the present disclosure relates to a passenger conveyor system comprising an electromagnetic brake and a corresponding method. An example system includes a controller and an electromagnetic brake. The electromagnetic brake includes a disc configured to interface with the drive shaft, a spring, and a plate biased into engagement with the disc in a first direction by a biasing force of the spring. The electromagnetic brake further includes an electromagnet selectively activated in response to a command from the controller to generate a magnetic field that attracts the plate in a second direction opposite the first direction to partially counteract the biasing force of the spring. Further, when the electromagnet is activated, the plate engages the disk.
本公开涉及一种配置成在制动期间减慢诸如电梯轿厢的乘客输送器的减速率的电磁制动器。特别地,本公开涉及一种包括电磁制动器的乘客输送器系统和相应方法。示例性系统包括控制器和电磁制动器。电磁制动器包括配置成与驱动轴对接的盘、弹簧,以及通过弹簧的偏置力在第一方向上偏置成与盘接合的板。电磁制动器进一步包括响应于来自控制器的命令而选择性地启用以产生在与第一方向相反的第二方向上吸引板的磁场以部分地抵消弹簧的偏置力的电磁体。进一步,当启用电磁体时,板接合盘。
Electromagnetic brake configured to slow down deceleration rate of passenger conveyor during braking
配置成在制动期间减慢乘客输送器的减速率的电磁制动器
2021-05-14
Patent
Electronic Resource
Chinese
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