【作者】 李加念； 洪添胜； 文韬； 姜焰鸣； 苏建；

【Author】 Li Jianian, Hong Tiansheng※, Wen Tao, Jiang Yanming, Su Jian (Key Laboratory of Key Technology for South Agricultural Machine and Equipment, South China Agricultural University, Ministry of Education, Guangzhou 510642; College of Engineering of South China Agricultural University, Guangzhou 510642, China)

【机构】 华南农业大学南方农业机械与装备关键技术省部共建教育部重点实验室； 华南农业大学工程学院；

【摘要】 为提高橘园滴灌技术水平,设计制作了滴灌自动控制装置。利用自制的双极探针式土壤水分传感器和提出的H桥双脉冲间歇电压法对土壤含水量进行测量,依据检测结果和利用去抖动防干扰算法对橘园进行滴灌自动控制,利用电源管理技术进行了低功耗设计。实验结果表明:土壤含水量测量误差在±6.6%以内,该装置能根据土壤含水量实现自动滴灌控制,利用低功耗技术一枚6F22型9V新电池可使该装置连续工作约一年。更多还原

【Abstract】 In order to enhance the level of drip irrigation technology for citrus orchards, an automatic drip device was developed. For measuring soil water content, a bipolar probe soil moisture sensor was made, and a test method of soil conductivity, which named H bridge positive and negative pulse and intermittent voltage method, was put forward. An anti-interference algorithm was employed to make automatic control of drip irrigation of citrus orchards based on the detecting results of soil water content. And low-power design for the device was carried by using power management technology. Experiments show: measurement errors of soil water content are within ±6%; the device has realized automatic control of drip irrigation according to soil water content; a new 9V battery whose model is 6F22 can afford the device to work about one year.更多还原