Electromagnetic lock is a relatively popular lock at present. Compared with traditional locks, it has high technical content, higher safety, reliability and practicability, and does not endanger the function of anti-prying door. There is no need for dynamic passwords and codes with too much memory. The performance fingerprint lock is also equipped with a video display device, which is more convenient to operate.
Electromagnetic lock is also called magnetic lock, and its design is to use the principle of electromagnetic induction to open and close the door. The current electromagnetic lock does not have a complicated mechanical structure, so it is very suitable for use in safety passage doors, such as escape doors, fire doors and other areas. It is also used in outdoor areas such as power facilities. According to different functions, electromagnetic locks can be divided into: indoor electromagnetic door locks, electromagnetic knife gate locks, DSW outdoor electromagnetic locks, and DSN(W)3-J grounding electromagnetic locks. It uses the principle of electromagnetism. When a current passes through the silicon steel sheet, the electromagnetic lock will generate a huge attraction and only attract the iron plate to achieve the effect of locking the door. When the access control system controlling the electromagnetic lock is sensed by the access control card, it will lose power, and the electromagnetic lock will lose its attractive force and open the door. At present, the unit of attraction strength of the electromagnetic lock is pounds, and the test method is obtained by static pressure. Static pressurization means that after the electromagnetic lock is energized, the pulling force on the adsorption magnet is slowly increased, and when the suction force of the electromagnetic lock is exceeded, the adsorption iron plate is pulled away instantly, then this value is the pulling force value of the electromagnetic lock.
The design of the electromagnetic lock is the same as that of the electromagnet. It generally uses the principle of electromagnetism. When the current passes through the silicon steel sheet, the electromagnetic lock will generate a strong suction force, which will tightly hold the adsorption iron plate to achieve the effect of locking the door. As long as a small current electromagnetic lock will generate a huge magnetic force, the access control system that controls the power supply of the electromagnetic lock will cut off the power after identifying the correct person, and the electromagnetic lock can open the door when it loses its suction.
Author:Written by Ms.Vivian He from S4A INDUSTRIAL CO.,LIMITED
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