摘要
描述了作者设计的一种用于全自动吸排油烟机专用集成电路控制器的自动报警、自动监控、延时开关等功能，给出了该专用集成电路的典型应用电路及操作方法．该电路具有价格低廉、外部元件少等特点．
The paper described the functions of a specialized chip and the application in the monitor of Cooker Range Hood. This circuit has a character istics of cheaper price and fewer outer components.
