Vehicle door unlocking system and unlocking method based on visible light communication technology, and automobile

Abstract

The invention provides a vehicle door unlocking system and an unlocking method based on a visible light communication technology, and an automobile. The vehicle door unlocking system comprises a mobile terminal, an unlocking device, a door controller and a cloud platform, wherein the mobile terminal is used for encrypting user request information according to random secret keys transmitted by thecloud platform and converting the encrypted user request information into a visible light signal to be transmitted to the unlocking device; the unlocking device is used for decrypting the received visible light signal into user request information and random secret keys, comparing the user request information and user information called from the cloud platform and editing a control instruction tobe transmitted to the door controller; the door controller is used for receiving the control instruction to unlock; and the cloud platform is used for transmitting pre-stored user information to the unlocking device, generating the random secret keys and transmitting the random secret keys to the mobile terminal. The vehicle door unlocking system disclosed by the invention has the advantages of being convenient in vehicle door unlocking and safe.

Description

technical field [0001] The invention relates to the field of automobile safety, in particular to a vehicle door unlocking system, unlocking method and automobile based on visible light communication technology. Background technique [0002] At present, the existing key methods usually include combination locks, induction cards, fingerprint recognition and face recognition. With the password lock method, it is not easy to forget the password after a long time, and the password button is exposed, which is easy to be destroyed; with the proximity card method, the proximity card is placed together with the mobile phone and other items around it, and it is easy to be degaussed, resulting in failure; fingerprint identification Biometric identification methods such as face recognition and face recognition have the disadvantages of low recognition rate and high cost. Adopt the above three methods to unlock the car door, all must carry the key on the body, otherwise just can't unloc...

AI Technical Summary

Problems solved by technology

With the password lock method, it is not easy to forget the password after a long time, and the password button is exposed, which is easy to be destroyed; with the proximity card method, the proximity card is placed together with the mobile phone and other items around it, and it is easy to be degaussed, resulting in failure; fingerprint identification Biometric identification methods such as face recognition and face recognition have the disadvantages of low recognition rate and high cost.

If you use the above three methods to unlock the car door, you must carry the key on your body, otherwise you will not be able to unlock the door and enter the car. The process of unlocking the car is very inconvenient and the convenience is low.

[0003] In addition, there are usually three ways to unlock the car door: mechanical key, remote control key and keyless entry, such as: car key to unlock the door. The disadvantage of this method is that you must carry the car key with you. If the battery in the key is dead Or if the key is lost or forgotten to carry, the car door cannot be opened with the remote control function; the mobile phone APP remotely unlocks the car door. The disadvantage of this method is that both the mobile phone and the vehicle need a good network environment; wireless remote control unlocks the car door. The module that sends the unlock signal is integrated and packaged in a hand-held keyboard that is easy for the user to carry, and there is no password protection, and there is no voice prompt. Such wireless remote control unlocking of the car is easy to happen when the user accidentally presses the keyboard and unlocks it by mistake. A self-aware situation resulting in the loss of a car due to an unlocked door

In the case that the user loses the hand-held keyboard, it is also easy for the person who finds the hand-held keyboard to directly unlock the door and steal the car

In addition, people's lives are becoming more and more busy now, and they often forget their car keys, which brings inconvenience to production and life

[0004] To sum up, the existing methods of unlocking automobile doors are inconvenient and have low operating efficiency. Therefore, there is an urgent need for an automobile door unlocking method with high unlocking efficiency and convenient operation.

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