Introduction to the principle and usage of induction door lock

Intelligent door lock is a very common device in our life, especially in some hotels, which provides fast and safe service for guests. With the improvement of people's living standards, many families will also install smart door locks at home, which can be opened by induction, saving the time of opening the door and simplifying the large number of keys we need to carry when going out. Many people may be curious about the principle of smart door locks. This article will introduce the principle and usage of intelligent door lock.

Principle of induction door lock

There is a coil in the intelligent door lock sensor, which is always oscillating, equivalent to the primary coil of the transformer, and there is also a coil in the card, which is equivalent to the secondary coil of the transformer. When the two coils are close, the coupling generates current to supply power to the card, and at the same time, the card responds and opens the door if it meets the requirements.

Usage of induction door lock

1) swipe the card to unlock, and swipe the card near the swipe area of the door lock within 1-3 cm, which is convenient to use; There is no card slot, which avoids the mechanical wear caused by frequent card insertion and removal, and the later maintenance cost is low.

2) The key card has the function of consumption accounting, which can record the currency, total deposit, total accumulated consumption and total consumption of different departments, and has a personal identification number to prevent the card from being stolen, thus realizing the function of multi-purpose for one card.

3)32 digits (number of password combinations >; 4X 109) high security access password to ensure high security of the door lock system.

4)32-level random grouping key card management system, each card can manage 3-6 groups of locks at the same time. The guest key card can open any set of 1-6 room locks; The attendant's key card can unlock any room door on the 1-6 floor; Emergency cards can open all rooms.

5) You can set a set of independent time intervals (i.e. an independent weekly work schedule). The card cannot be unlocked after a work break).

6) Lead the team to create a business card printing function, which greatly shortens the printing time of business cards for travel teams and conference receptions, and makes the front desk operation faster and easier. With graphical room status display management function.

7) It is the first in the world to use ordinary alkaline batteries for power supply, and at the same time, combined with the patented induction detection technology, the ultra-low power consumption of the door lock is realized, and the power consumption of the door lock is less than 30μA when it is in standby.

8) Industrial-grade clock module and independent lithium battery are adopted to provide stable and accurate internal time standard for the door lock.

9) The lock is equipped with a high-precision clock chip and a large-capacity memory, which can record the recent 224 unlocking records, including the cardholder, the date and time of swiping the card, the card maker and the card type. The unlocking record can be displayed and printed on the computer terminal.

10) adopts patented motor-driven clutch structure. When the door lock is closed, the handle outside the door is separated from the lock core, which completely avoids the problem that the lock core is forcibly twisted or even opened when the handle of the door lock with non-clutch structure is forcibly screwed outward.

1 1) When the battery is low, swipe the card and the green light flashes to give an alarm. There are more than 300 unlocking opportunities after the first alarm, so that customers have enough time to replace the battery.

12) the door lock circuit board is treated with three defenses according to military standards, which is corrosion-resistant and durable. The lock core of the door lock adopts five-pin structure, which is anti-insertion and safer.

13) has completely independent mechanical emergency unlocking mechanism, and its emergency unlocking mechanism and electronic unlocking mechanism adopt two completely independent transmission devices, which greatly improves the reliability of the door lock.

14) open interface, convenient to connect with hotel management system software, provide hardware card reading equipment, and realize multi-purpose of one card.

Through the above introduction, we have a general understanding of the principle and usage of intelligent door locks. It can be seen that the smart door lock is mainly induced by the chip, so it is the product of the continuous progress of our technology, and people use it in many ways, all according to the different ways of the door lock. Common examples are hotel swipe cards and some family fingerprints. Generally speaking, everyone should use it according to the actual situation.

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