What's the lock on the car? Description of locking principles
The car lock system combines mechanical and electronic technology to provide vehicle safety protection. The core principles can be grouped into the following categories:
I. Mechanical lock structure
Traditional mechanical locks are based on a lock-key matching mechanism, and when the key is inserted into the lock core, the internal bullet array corresponds to the key denture, releasing the tongue to unlock the lock. Such locks, which are simple but less secure, are common in early car-type doors or standby manual locks。
Summarizes the mechanical lock by matching the physical key with the lock core, and the bullet is properly arranged to release the lock tongue。
Electronic lock control technology remote-controlled locks: transmission of commands via radio signals, transmission of encrypted signals by remote control to the receiving module inside the vehicle, and contact of generator-driven tongue locks. Smart locks: techniques such as integration of blue teeth, biometrics (e. G. Fingerprints), identification through mobile phone app or sensors, and unlocking through controllers. Some support is provided for unkey access and automatic sensor unlocking when the electronic key is near the vehicle。
Summarizes that electronic locks rely on wireless communication and controllers to be linked and to increase ease while introducing dynamic encryption authentication。
Iii. Engine protection systems
The system connects the engine control unit (ecu) with the key chip:
A two-way verification of the key chip and the eu at ignition, with a random code to generate 128-bit encrypted information; if verification fails, the eu will cut off the ignition and oil supply system and the engine cannot be activated. The mechanism is resistant to violent decryption, but there is still a need to guard against signal interception risks。
Summarizing the double authentication of engines by means of encrypted communications between the eu and the key chip, blocking illegal start-up。
Iv. Strengthening mechanisms
The intermediate control system consists of relays, two-way generators and controllers, which have the following functions:
(b) speed perception: automatic locking when the speed of the vehicle exceeds the predefined value。
The control lock in the summary achieves multi-door connection control and enhances integrated protection capabilities in combination with speed sensing and alarm protection。
The car lock system covers mechanical structures, electronic controls and engine connection protection, ranging from physical locking to dynamic encryption, raising the level of piracy through layer certification. Modern locks are more user-friendly, e. G., unkey access, remote authorization, etc., while attention is paid to the ability of electronic systems to resist interference and the continuation of batteries。
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You might ask:
What are the types of locks
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