红枣烘房干燥过程中的温湿度智能传感器的应用是实现智能烘房系统的前提条件。为此,针对红枣烘房干燥工艺要求,基于单片机技术,应用集成传感器模块DHT 11,设计了一种可应用于烘房多位置温湿度信号检测的智能传感器。运用单片机开发软件平台的仿真试验表明:软硬件系统运行可靠,设计合理,单片机采集与处理传感器数据信号正常;应用智能传感器对CX-32系列烘房系统进行了烘房内多点温湿度信号检测试验,结果表明:智能传感器检测正常,温度与湿度测定值的变化符合红枣烘房干燥规律,传感器的温度分辨率达到了0.01℃,湿度分辨率达到了0.01RH,完全满足红枣烘房自动化控制的精度要求。
The application of the intelligent temperature and humidity sensor is prerequisite to realize intelligent dryer sys-tem in the jujube drying room.In view of the jujube drying room requirements, based on single chip microcomputer tech-nology, the application integration DHT11 sensor module, we design a can be applied to the drying room position signal detection of intelligent temperature and humidity sensor.Through the use of single-chip microcomputer software platform development simulation experiment, the software and hardware system reliable operation, reasonable design, single-chip microcomputer data acquisition and processing the sensor signal is normal;CX-32 series through the application of smart sensors for multi-point temperature and humidity within the chamber dryer system signal detection test, the results show that the intelligent sensor is normal, the change of the temperature and humidity measurements in red chamber is dry, the temperature of the sensor resolution is 0.01℃, humidity resolution reached 0.01RH, fully satisfy the requirement of the red chamber automation control precision.