The electric plug lock is an electronic control lock, and the function of locking or opening the door is achieved through the opening and retraction of the “lock tongue†through the on-off of the current. Of course, the realization of the door closing function needs to be implemented with the "magnet".
Now the electric plug is divided into two types, energization and power off and unlock two kinds, that is, when the former is powered on the state is the lock tongue in the open state, and the latter is the opposite. However, under normal circumstances, fire fighting requires the use of power to open the door to prevent the fire from automatically opening!
A simple way to distinguish the lock from the surface is to look at the appearance. Another simple method is to use your hand to weigh the weight. Generally, the quality is relatively good.
performance
1. The force of the bolt: if the bolt is weak, the phenomenon of automatic retraction of the bolt may occur, or the reaction force is poor, and the bolt may not be retracted in time, losing its significance of “lockingâ€.
2. The lock body temperature under working condition: There is no electric plug lock that does not generate heat under working conditions, but it should not reach the level of “boiled eggsâ€.
3, working current: This indicator is related to the power of the bolt, but also related to the temperature of the lock body working state. A properly designed electrical plug lock should find a balance between the two.
4, the working voltage: There are usually 12VDC/24VDC two, and mostly 12VDC. The greatest benefit of 24VDC is that it requires less operating current.
5, lock body size: For places with special installation dimensions, this indicator is particularly important. Some project size requirements cannot be achieved by the design.
6. Feedback signal: Some electric plug locks provide the detection function for the lock status, such as the detection of the position of the magnetic disk, the detection of the status of the lock cylinder, and the like. Higher security requirements can be achieved.
7, delay design: can be achieved after a few seconds delay after the door automatically closes the door. This feature is designed for some access control systems that cannot set up delays.
Shenzhen Lilian Electronics
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