自动门，顾名思义，是能够完成自动开合的门扇，在人们接近或是离开的时候，门扇的识别控制系统会将信号传递到控制单元，再通过驱动将门开启和关闭，并对开启和关闭的过程实现控制的系统。

Automatic door, as the name implies, is a door leaf that can automatically open and close. When people approach or leave, the identification control system of the door will transmit the signal to the control unit, and then open and close the door by driving, and control the process of opening and closing.

自动门从理论上理解应该是门的概念的延伸，是门的功能根据人的需要所进行的发展和完善。的自动门已经发展的非常成熟。

In theory, the automatic door should be the extension of the concept of door, and the development and improvement of the function of the door according to the needs of people. Automatic door has been developed very mature.

自动门的基本组成大体上相同，有了以上构成，再加上开门信号，就可以配置成一套简单的自动门系统了，就是可以将人接近门的动作识别为开门钢制闸门 钢坝 保定轻钢别墅 保定平面设计培训 保定室内设计培训 保定办公家具 保定空调维修 信号的控制单元，通过驱动系统将门开启，在人离开后再将门自动关闭，并对开启和关闭的过程实现控制的系统。通常情况下，不同种类的自动门其工作原理有一些不同，具体如下。

The basic composition of the automatic door is basically the same. With the above composition and the door opening signal, it can be configured into a set of simple automatic door system, which can recognize the action of people approaching the door as the control unit of opening signal, open the door through the drive system, close the door automatically after the person leaves, and control the process of opening and closing. Usually, the working principle of different types of automatic doors is different, as follows.