【摘要】 针对设施农业环境信息自动监测的需求 ,研制了以单片机为核心的WHICH -1型温室环境信息采集器。以PC机为上位机 ,采用RS485总线连接各采集器构成分布式信息采集系统 ,实现了对空气温度、空气湿度、光照强度、土壤温度、CO2浓度、叶面湿度、营养液液位、EC值、PH值等温室环境信息的实时数据采集和数据存储、处理 ,下位机具有中文人机界面、USB主机接口、LED大屏幕显示等特点。更多还原

【Abstract】 A MCU-based system WHICH-1 is developed for the greenhouse environmental information collecting.It comprises PC as the sur-system, adopting RS485 bus to connect each collector to form distributed system of collecting information, such as air temperature, air humidity, intensity of illumination, soil temperature, CO 2 density, leave humidity, nutrient liquid position, EC value, PH value, etc.. The Sub-system provides with the man-machine interface in chinese, the mainframe interface of USB, and LED large screen display.更多还原