What is the principle of scanning two-dimensional code unlocking? What is the principle of Mobike and other shared bicycles? Scanning codes to unlock bicycles is now a new choice for citizens to travel. The principle of unlocking codes on shared bicycles is also something that some users want to know. The most widely used scenario for scanning codes is shared bicycles. Many users do not know how to do it. To this, this article will explain how the scan code unlock function achieves this process.
The process of scanning bicycle locks is very simple, including mainstream bicycles such as Mobike bicycles and OFO Xiao Huang vehicles. All of them use scan code unlock technology. The workflow is as follows:
1, download the corresponding mobile phone sharing bike APP, after registration is completed, pay a deposit to use.
2, open the mobile phone APP, scan the car lock on the two-dimensional code, you can successfully unlock.
3, after the end of the car, pull down the lock, end the ride, parking as required.
The above steps are very simple, but based on what principle? How to achieve the scan code unlock process? This involves the technical principle of Bluetooth code unlocking.
Basic use of Bluetooth shared smart car lock, Bluetooth lock is a kind of electronic lock, the chip equipped with GPS positioning module, GSM communication module (part of the car lock does not have), Bluetooth connection, and mobile phones, cloud server, the three connected, common control The lock state of the lock.
The mobile phone APP can query nearby available vehicles and obtain positioning information because the car lock chip is equipped with a positioning function. During the use of the mobile phone APP, the position of the user can be obtained. The position of the car lock is sent to the server, and communication between the server and the mobile phone shows available nearby bicycles.
Within the Bluetooth transmission range, the mobile phone can be connected with the car lock chip via Bluetooth, and data transmission can be performed.
The code of the mobile phone APP can be used to obtain the information of bicycles. The QR code is the “ID†of the bicycle, including the ID of the bicycle. Each vehicle is a unique number. Scanning the QR code has the same effect as entering the bicycle number manually.
After the mobile phone scans the code, it acquires the car body number and automatically sends information to the cloud server requesting unlocking of the specified bicycle.
The server receives the user request information and confirms it. If the status is good, the server agrees with the request and sends the unlock command of the designated bicycle, which is equivalent to unlocking the key.
Mobile phone APP (or Bluetooth car lock chip, different brands have different) to receive the server unlock command, the mobile phone Bluetooth will unlock the unlock command (unlock key) to the car lock chip, the chip receives the information and confirms, and then through the circuit control lock cylinder to perform unlocking action.
Note that some brands are equipped with a Bluetooth car lock equipped with a data transmission module, which can automatically receive the server unlock command, and do not need the mobile phone APP to control Bluetooth as the relay station to forward instructions and perform the unlock operation directly through the circuit control cylinder.
The above is the smart lock China network Xiaobian finishing publishing the shared bike scan code unlocking principle and workflow description, I believe we should read to understand how the scan code unlock is achieved, and more car lock knowledge of science please pay attention to this site.
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