What is the design principle of the automatic credit card?
Yes! Upstairs to answer the easy to understand! I will not say more! How do you want to install automatic doors! Swipe open the door can also add a lot of features! Such as a fixed time can swipe open the door! After a time on the card can not open ah! Can be set up!
Basically, it is simple, that is, you do after the automatic door, do not feel sensitive probe. Automatic door open signal from the card reader to provide! That is, after the card, the card reader or access control machine output a closed signal, automatic door after receiving this signal, open the door!
Through the card (chip) will pass the pulse signal to the master, the master to inform the motor after the judge to run, while monitoring the motor speed, in order to inform the motor in a certain time afterburner and into the slow running. The motor is given a certain running current to do a positive run, the power transmitted to the timing belt, and then by the timing belt will be passed to the spreader system to open the door; door opened by the controller to make judgments, if closed, notify the motor Move to the door.
Automatic door means that the person can be close to the door of the action (or some kind of entry authorization) as a door open signal control unit, through the drive system to open the door, after the person left the door automatically shut down, and the opening and closing process To achieve control of the system.
