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当前位置: 首页 > 文章 > 航空植保喷施参数对苹果树雾滴沉积特性影响 农机化研究 2020 (9) 173-180
Position: Home > Articles > The Influence of Spraying Parameters of Aerial Application on Droplet Deposition Characteristics for Apple Fields Journal of Agricultural Mechanization Research 2020 (9) 173-180

航空植保喷施参数对苹果树雾滴沉积特性影响

作  者：
刘琪;兰玉彬;单常峰;毛越东
单  位：
山东理工大学农业工程与食品科学学院;国家精准农业航空施药技术国际联合研究中心山东理工大学分中心;山东省农业航空智能装备工程技术研究中心;深圳高科新农技术有限公司
关键词：
雾滴;果树;电动直升机;正交试验;雾滴沉积密度
摘  要：
为提高植保无人机在果树上的喷施效果、增加雾滴在果树上的穿透力和分布均匀性,进行了系列试验,研究了喷头间距和飞行高度参数对雾滴沉积分布的影响,并优化出最佳喷头间距参数。确定了喷洒系统喷头安装位置参数,并通过正交试验,研究了飞行高度、飞行速度和喷洒系统喷头安装位置参数对雾滴在苹果树上分布的影响。试验以S40电动直升机为载体,以诱惑红为液体染色剂、铜版纸为雾滴采集卡。结果表明:飞行高度Sig.=0.811,P>0.01,喷嘴间距Sig.=0.006,P<0.01,喷头间距对喷幅影响极其显著;当飞行高度为2m,喷头间距为55、50、50、55cm时,喷幅最大均为7m,雾滴密度变异系数最小为63%和44.5%。苹果树喷施正交试验中,飞行高度2m、飞行速度1m/s、喷洒系统中4个喷头位于交叉角度为90°的十字形喷杆上且距离交叉点均为105cm时,雾滴在苹果树上的沉积较好。
译  名：
The Influence of Spraying Parameters of Aerial Application on Droplet Deposition Characteristics for Apple Fields
作  者：
Liu Qi;Lan Yubin;Shan Changfeng;Mao Yuedong;School of Agricultural Engineering and Food Science, Shandong University of Technology;National Sub-center for International Collaboration Research on Precision Agricultural Aviation Pesticide Spraying Technology;Shandong Provincial Engineering Technology Research Center for Agricultural Aviation Intelligent Equipment;Shenzhen Hi-tech New Agriculture Technologies Co., Ltd;
关键词：
droplets;;fruit trees;;electric helicopter;;orthogonal experiment;;droplet deposition density
摘  要：
In order to improve the spraying effect of plant protection unmanned aerial vehicles on fruit trees and increase the penetration and uniformity of droplets distribution on fruit trees, series of experiments were conducted. The influence of the nozzle interval and flight height on the droplet distribution was studied, then the optimum nozzle interval parameter was optimized. Nozzle installation positions of spraying system were designed. The effects of flight height, flight speed and nozzle installation position on the distribution of droplets on apple trees were studied by designing orthogonal experiment. The experiment was carried out by using S40 electric helicopter as carrier, Allura Red as liquid dye and copper plate paper as fog droplet collection card. The results showed that: The flight height Sig. =0.811, P>0.01, nozzle interval Sig. =0.006, P<0.01, indicating that the nozzle interval had a significant impact on the spraying width. When the flight height was 2 m and the nozzle interval was 55 cm, 50 cm, 50 cm and 55 cm, the maximum spraying width was 7 m and the variation coefficient of droplet density was 63% and 44.5% respectively. In orthogonal spraying experiment on apple trees, when the flight height was 2 m, the flight speed was 1 m/s, and four nozzles in the spraying system were located on the cross-shaped spraying bars with 90°crossing angle and 105 cm away from the crossing point, the deposition of droplets on fruit trees was better.

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