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设计采用STC公司51内核单片机STC89C52RC为控制器,给出了一种以先进语音芯片飞利浦公司生产的双声道音频功率放大集成电路TDA7266为核心,可同时进行语音警示和红灯警示的报警装置的设计方法。该装置本安型电源的设计使系统满足井下使用的要求,可以通过按钮或传感器信号触发该装置的待机、打点和报警3种状态,并且语音可以通过改变拨码开关位置选择语言报警内容。
The design of STC89 chip microcontroller STC89C52RC STC company for the controller, given a advanced voice chip Philips dual-channel audio power amplifier integrated circuit TDA7266 as the core, can simultaneously voice warning and red warning alarm device Design method The device intrinsically safe power supply designed to make the system meet the requirements of underground use, you can trigger the device through the button or sensor signal standby, RBI and alarm three states, and voice can be changed by DIP switch position to select the language alarm content.