Access control system after power outage, plus battery to run out, how to open the door?
Electromagnetic lock is basically a combination of electromagnet + iron, by the power of magnetic, pull the iron block to lock the door, usually in accordance with the magnetic equivalent of the number of kilograms to calculate the size of electromagnetic lock force. Also for the reasons mentioned earlier, this lock will automatically unlock the power.
Common access control systems use several different types of locks, electromagnetic locks, electrical locks, electrical locks, and motor locks (the location may vary slightly).
Electric lock like an automatic latch, electric lock like the door on the door of the lock, the nature of these two locks are mechanical lock, but according to the default location of the different plugs, you can have power off the lock (power off Plug, latch automatically retract) and power on the lock (power after the plug, the latch automatically pop) two. These two locks can be based on the actual situation, select the type of lock. For example, the general office will use power-off lock-type electric lock, electric lock mouth, so that fire or other possible power outage when the evacuation of personnel. And the file room, the engine room and other personnel less access and security requirements of the higher places should choose to open the power lock, electric lock, to ensure that the accident when the safety of indoor items.
Compared to the above mentioned several electric locks, the motor lock is more advanced. It has a complete key lock structure, which joined the electric lock / unlock device, you can use the circuit control lock opening and closing, and in the power, it can be the same as the normal key lock, lock The For more life scenes, the price is higher.
