What is an Automatic Door
Automatic door, as the name suggests, is a door leaf that can complete automatic opening and closing. When people are approaching or leaving, the door leaf recognition control system will transmit the signal to the control unit, and then it will drive the door to open and close, and to open and close the door. Process control system. Theoretically, the automatic door should be an extension of the door concept, and the door’s function should be developed and improved according to people’s needs.
The basic composition of the automatic door is more or less the same. With the above composition, plus the door open signal, it can be set into a simple automatic door system, which is a control unit that can recognize the movement of people approaching the door as the open signal of the door. The system opens the door, automatically closes the door after the person leaves, and controls the opening and closing process.
Types of Automatic Doors
Automatic doors can be divided into: revolving doors, curved doors, sliding doors, induction electric doors, stackable doors, folding doors, 90-degree sliding doors, high-speed doors, etc. The working
Principle of automatic door: door frame door panel, the door frame is generally profile or steel structure, and the door panel is generally wooden or stainless steel glass. The machine door, track, bracket and belt. The door machine is the electric motor, which acts as the power output to open and close the automatic door. At the same time, there are many interfaces in it, such as the backup power interface, multiple switches, and the remote control interface;
The bracket is the center that supports the automatic door and the belt is the drive chain that connects the motor and the automatic door.
The switches are available with contact type, infrared sensor, microwave sensor, touch sensor, foot sensor, password, card swipe, face swipe, fingerprint swipe, remote control, assist and other automatic door switches. These switches are all connected to the motor and control the operation of the motor.
Namely, the automatic door switch. The security light or light curtain is installed in the operating range of the automatic door and also connected to the door machine to ensure that the automatic door does not close when there are people or objects.
Electric locks are used to lock automatic doors to prevent manual and electric opening. Mortise locks, magnetic locks, etc., also connect to the door machine. If it is a glass door, pictures or text should be pasted to prevent people from hitting the glass door directly and causing unnecessary loss.
To ensure that the automatic door can work normally even in the event of a power outage, it can be equipped with a backup power supply to unlock. The harmony between the automatic door unlock action and the door opening action Door is applied to the electronic lock of the automatic sliding door. There are three types of electric pendant locks and electric locks. There is also a mechanical lock with a contact switch, which separates the lock from the switch. If the lock is not in the unlocked state, the contacts cannot be contacted and the motor cannot be operated incorrectly.
Microwave radar responds to the movement of objects, therefore it has a fast response speed and is suitable for places where people pass with normal walking speed. Its characteristic is that once the people near the door do not want to go out and stand still, the radar will no longer respond and the door will automatically close, which has a certain maintenance effect on the door machine.