CAJ | 학술논문

针对种苗催芽室温湿度控制现状，设计并实现了一个基于单片机技术的温湿度控制器。该系统以STC89 C52单片机为控制中心，采用高精度数字式传感器 DHT11作为温湿度检测元件，将采集到的温湿度信号传送给单片机；单片机处理传感器的测量数据，通过 LCD 1602实时显示温湿度的数值；当实时监测到的温湿度值超出设定的温湿度变化范围时，单片机输出信号启动相应的加温、降温、加湿和除湿装置实现自动控制，并且报警电路进行声光报警。该温湿度控制系统具有控制精度高、性价比高及易于管理等优点。
침대충묘최아실온습도공제현상，설계병실현료일개기우단편궤기술적온습도공제기。해계통이STC89 C52단편궤위공제중심，채용고정도수자식전감기 DHT11작위온습도검측원건，장채집도적온습도신호전송급단편궤；단편궤처리전감기적측량수거，통과 LCD 1602실시현시온습도적수치；당실시감측도적온습도치초출설정적온습도변화범위시，단편궤수출신호계동상응적가온、강온、가습화제습장치실현자동공제，병차보경전로진행성광보경。해온습도공제계통구유공제정도고、성개비고급역우관리등우점。
In view of the present situation of the temperature and humidity control seed germination , a temperature hu-midity controller is designed and implemented based on single chip technology .The system uses STC89C52 microcomput-er as the control center , adopting high precision digital temperature and humidity sensor DHT 11 as the detecting element , and the collected temperature and humidity signal is transmitted to the single chip microcomputer .The microcomputer deals with the sensor measured data through the numerical LCD 1602 displaying real-time temperature and humidity;When the real-time detected temperature and humidity are beyond the permitted range , the microcomputer outputs signal to start the heating , cooling , humidifying and dehumidifying device to realize automatic control , and the alarm circuit works with sound and light .The temperature and humidity control system is easy to manage with high control precision and high performance price ratio .