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Electronic Door Lock Principle

Dec 25, 2017

  Dozens of generalized electronic locks, digital locks, fingerprint locks, card locks, magnetic locks can be said that a variety of. Biological lock and so on. But some useful or popular stories about key-type electronic locks. In this mode of operation, unlocking by opening the latch to electronically lock the button through a numeric key similar to a sequence keypad, the phone is driven to enter the password and outputs the electrical signal, the electromagnet, or a small Motor flow is completed. According to the relevant information, the study of this lock began in the 1930s and was used in some special places. The purpose of this study lock is to improve the safety lock because the key amount (amount of code) can be installed to prevent problems caused by the emergence of a key imitation of the mechanical lock of a large electric lock. Another feature of high security is that more and more people do not have a key. You just have to remember the password, and not eliminate the problem of people holding metal keys, because many people are tall and have electronic locks. This is also the motivation for many inventors to study the popular electronic locks.

With the advent of electronic lock-related integrated circuits, electronic locks have narrowed in the 1980s. With the increased reliability, cheap products have begun to appear. Practicality already exists, can be said that the mechanical lock market situation affected. However, the market is still not dominated by marble mechanical locks, can only be developed under mechanical lock, but also did not shake. The number of keys did not decrease. The use of intelligent electronic door locks are also limited to a certain range, there is no significant progress, it is difficult to promote. Electronic locks do not threaten the machine lock. One is complicated. This is because the lock itself is a mechanism of mechanical interference, and ultimately rely on mechanical action to complete. Electronic locks must complete the mechanical action (electronic motion and electronic control) of this series of processes. Obviously more complicated. Second, the likelihood of failure is relatively high and complex with one or more electronic devices.

It will increase the probability of environmental failure, fear of dampness, coupled with the fear of electrons, the fear of electric shock, fear of self, which is a certain requirement. Mechanical lock is a way to easily avoid these weaknesses. TV can be separated without the need to send repair, can not repair, refuse to repair people, helpless people, refuse to come from people who lock the door. Many electronic locks increase the initial unlocking means or emergency interface, undoubtedly reduce the security. Third, electronic locks must use electricity. The initial electronic locks are more power hungry and generally use electricity. Now integrated circuits, low-power electronic locks, button batteries can maintain part of the operation of the control, but the drive motor or solenoid valve requires a larger battery or use the power supply. Some people want to increase the number of manual generators to solve electrical problems, but this makes the lock more complex. In contrast, machine locks do not have to think about this. Electronic locks have these problems, but it is not a big bait for key dimensions and major advantages - it's hard to attract a lot of inventors.