本设计以单片机为控制核心，采用模块化设计，共分以下几个功能模块：单片机控

制系统、实时时钟模块、环境温度检测模块、语音报警模块等。

1、　　单片机作为整个硬件系统的核心，它既是协调整机工作的控制器，又是数据处理器。它由单片机、时钟电路、复位电路等组成。

2、　　温度检测电路采用单线数字温度传感器DS18B20，它具有独特

的单线总线接口方式，具有接口简单、精度高、抗干扰能力强、工作稳定可靠等特点。-The microcontroller core design, modular design, divided into the following functional blocks: microcomputer control system, real-time clock module, the ambient temperature detection module, voice alarm module. A microcontroller as the core of the entire hardware system, it is both the controller to coordinate the work of the machine, and the data processor. It consists of the microcontroller, the clock circuit, reset circuit. 2, the temperature detection circuit using wire digital temperature sensor DS18B20, it has a unique single-wire bus interface mode, with a simple interface, high precision, strong anti-jamming ability, stable and reliable.