汽车智能钥匙原理及案例

Automotive Intelligent Key Principles and Cases

目前很多车型装备了智能的无钥匙进入系统,不用掏出钥匙就可以开锁上车点火走人。应用RFID——无线射频识别技术的智能钥匙,在开启车门过程中有一个验证的动作,当车辆处于锁定状态时,会不断向外发出信号,当智能钥匙出现在信号范围内,就会有一个回应,完成对号行为。文章以日产汽车智能钥匙系统的工作原理为例,分析其常见故障及排除方法。

Nowadays, the intelligent keyless entry system has been widely used in auto. Through this advanced device, a car can be much easier to lock, unlock and drive no matter whether the key insert into the hole or not. The smart key RFID--Application of radio frequency identification technology, can execute verification in the process of opening the door. Firstly, The system send continuous signal after the car is locked. When the right intelligent key appears in a certain range, a related response elicited and help to complete the matching. In this paper, the working principle of Nissan’s intelligent key system were introduced, and through the example, some common failures and troubleshooting methods of intelligent key system were illustrated.