What is the principle of wireless door magnetism?

What is wireless door magnetism?

Wireless door magnets are used to detect whether doors, windows, drawers, etc. are illegally opened or moved. It consists of a wireless transmitter and a magnetic block. This is the concept of what wireless door magnetism is.

Wireless door magnet and installation considerations

1, working principle

The door magnet is composed of a wireless transmitting module and a magnetic block. The wireless transmitting module has a "steel reed" component at two arrows. When the distance between the magnet and the reed is kept within 1.5 cm, The steel spring tube is in the off state. Once the distance between the magnet and the steel spring tube exceeds 1.5 cm, the steel spring tube will close, causing a short circuit, and the alarm indicator light will be on, and an alarm signal will be sent to the host.

2, prevent position

(1) door

(2) drawer

(3) Safe

(4) windows

3, installation precautions

A, is the IC code correct?

B, try to reduce the distance from the host

C. Try not to have reinforced concrete walls and electrical appliances between the host and the host.

D. The installation location must be in a place where rain and moisture are avoided.

4. Analysis and treatment of common faults

A, the host does not receive the alarm signal of the door magnet

(1) Check if the door magnet IC code is correct

(2) Check the distance between the door magnet and the host and pull out the antenna on the wireless door transmitter.

(3) Check if the battery has electricity or if the battery button is connected

(4) Check the surrounding environment of the installed door magnet

(5) Check if the magnetic circuit board is damaged.

B, the door magnetic indicator light is not bright or long light does not go out

(1) Check if the solder joints on the circuit board are loose or loose.

(2) Check the battery power

(3) Check if the board is damaged

C. Try to install the transmitter on the door frame and mount the magnet on the door to reduce the vibration of the transmitter.