电动伸缩门原理
Principle of electric telescopic door
电动伸缩门控制器是利用无线电信号对远方的各种机构进行控制的遥控设备。这些信号被远方的接收设备接收后，可以指令或驱动其它各种相应的机械或者电子设备，去完成各种操作，如闭合电路、移动手柄、开动电机，之后再由这些机械进行需要的操作。作为一种与红外遥控器相补充的遥控器种类，在车库门、电动门、道闸遥控控制，防盗报警器，工业控制以及无线智能家居领域得到了广泛的应用。
The electric telescopic door controller is a remote control device that uses radio signals to control various remote mechanisms. After these signals are received by the remote receiving equipment, they can command or drive other corresponding mechanical or electronic equipment to complete various operations, such as closing the circuit, moving the handle, starting the motor, and then these machines can perform the required operations. As a kind of remote controller complementary to infrared remote controller, it has been widely used in garage door, electric door, road gate remote control, anti-theft alarm, industrial control and wireless smart home.