Smart door lock classification, main components and security design must be learned

First, the classification of smart door locks:

(1) Appearance of door lock:

(2) Unlocking method

Second, the use place of smart locks and the comparison of advantages and disadvantages

(1) Swipe the card door lock; Mainly used in the hotel field;

Advantages: low cost, card can be updated, rich in permission management functions, access to wireless can realize WeChat unlocking and other functions.

Disadvantages: single function, wine management system access must pay a fee; The use of cards is easy to be cracked, and the anti-theft performance is poor.

(2) Combination locks; Mainly used in the field of apartments;

Advantages: low cost, easy management. Access to wireless can expand functions such as charging.

Cons: Single function.

(3) Smart lock (fingerprint / face + card + password): used in the home field.

Advantages: Using various unlocking methods, the user experience is good.

Disadvantages: higher price and poor awareness.

(4) Cloud lock (the above door lock plus networking function).

Advantages: The door lock network can expand various scenarios.

Disadvantages: Networking increases power consumption.

Third, the main components of smart locks

(1) Exploded view of smart locks

(2) Core components:

1. Motherboard, cryptographic technology, microprocessor (CPU), clutch (semi-automatic lock), etc

2. Fingerprint collector:

3. Lock body:

4. Emergency key: according to the national standard, an emergency mechanical key should be added. The product quality specification is mainly based on the "Public Safety Industry Standard of the People's Republic of China (GA701-2007)".

5. Power supply equipment (battery charger, transformer, etc.):

(1) Using 4 or 8 No. 5 alkaline batteries, it can generally be used for about one year (depending on the function, power consumption design, number of uses, etc.).

(2) According to the industry standard production of anti-theft fingerprint lock, should be equipped with an emergency power supply interface, can be powered by 9V stacked battery, both of which are sold in supermarkets.

4. Smart lock security design:

(1) Lock cylinder

1. Lock cylinder comparison:

2. C-grade lock cylinder:

(2) Mort

1. True mortenter:

2. False insert:

(3) Biological anti-lock technology:

(4) Anti-technical cat's eye hole unlocking

1. Protection button:

2. Working principle:

(4) Remote monitoring:

(5) Safety reminder: the door is not closed; holding unlocking; Picking locks; Multiple incorrect entries (fingerprint, proximity card, password) automatically push abnormal information to the mobile client.

(6) Anti-lock accident:

END!