说明：  ：介绍了一种新型电子安全密码锁的应用背景、基本功能和要求，根据一种新型的编码状态机耦合工作原理，建 立了电子锁的结构模型，给出了系统设计方案、硬件设计及单片机程序流程。
(: A new electronic security locks the application of the background, the basic functions and requirements, according to a new type of coding state machine coupling working principle, the establishment of an electronic lock structure model, given the system design, hardware design and a single machine program flow.)