Types of door buttons commonly used in access control

There are two common ways to enter and exit the door:

1. Swipe your card to enter, and swipe your card when you go out. We usually call it "two-way Access Control" or "two-way card reading". The advantage of this method is that it has a higher level of security. Generally, people are not allowed to leave casually. People who go out have records that can be queried to know who went out and when. which door.

2. Swipe your card to enter, you don't need to swipe your card when you go out, just press the door button to open the electric lock to go out. We usually call it "one-way access control" or "one-way card reading". The advantage of this method is that it is convenient and easy to go out. This method is more convenient to use than the first method, and its security is slightly lower. Internal personnel), the cost is lower, the popularity of this method is more widespread, and most of the internal departments of office access control use this model for cost-effective reasons.

The "exit button" or "open door button" used in this mode is an integral part of the access control device.

The principle of the exit button is actually the principle of a doorbell button. When pressed, the two internal contacts are turned on. When the button is released, the button bounces back and the contacts are disconnected. Therefore, it is also possible for someone in some projects to directly use the doorbell button to make the door button. It's just that the doorbell button usually has a "bell" pattern printed on it.

According to the material: can be divided into plastic buttons and metal buttons. Plastic buttons are cheap, durable, and don't look as fancy as metal buttons. Metal buttons look high-end, and their service life is not as long as plastic buttons, but they can also be used for many years, and the touch will be more forceful.

Divided by size: it can be divided into 86 bottom box buttons (usually the wall socket, the bottom box of the fluorescent light switch is the 86 bottom box) and small buttons (there are many sizes of small buttons, and the shape is more beautiful than the 86 bottom box buttons, but no 86 bottom box buttons atmosphere and standard).