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植保无人机何以被贴上“绿色环保”的标签?

2017-08-18 16:03:07 来源:中国农机网 阅读量:53541 评论

导读:农用植保无人机进入繁荣时代,其、、绿色环保的特点被大众所公认。但大多数人不知道,植保无人机为何被贴上绿色环保的标签。

  【中国农机网 本站原创】现今,农用植保无人机进入繁荣时代,其、、绿色环保的特点被大众所公认。但大多数人不知道,植保无人机为何被贴上绿色环保的标签。

 
  体型小巧,材质轻
 
  身材小巧也就意味着制作时耗用的材料少。目前我国大的植保无人机直径5米,重136斤,而一台普通的传统农用机械至少要达上千斤。
 
  复合材料的使用,可以减轻机身重量。传统的无人植保机原材料多采用铝合金等金属材料,随着复合材料的推广应用,其比强度和比刚度高、热膨胀系数小、抗疲劳能力和抗振能力强的特点深受厂家青睐。并且,和传统金属材料相比,将其应用于无人机结构中可以减重25%~30%,同时增加有效载荷、提高自身安全性。
 
  强度高、质量轻的碳纤维复合材料被广泛应用于无人机制造。碳纤维管材通过拉挤、缠绕或吹气成型,很大程度上可以代替植保无人机的机身机构和零部件中铝合金管材的使用。并且,碳纤维管材的生产技术已经很成熟,能够通过不同的模具生产出各种型材,不仅可以根据个体需求定制不同的壁管形状、长度、壁厚等,而且在后期加工过程中还可以选择表面3K纹路或者喷漆等不同方式进行包装和美化,与此同时,批量化的生产方式也能有效降低产品成本。
 
  施肥,利用率高
 
  2015年,我国化肥农药用量世界,但化肥、农药的利用率比发达国家低15%-20%,降低使用量、提高利用率势在必行。2016年,我国着力打好农业面源污染治理攻坚战,深化推进绿色防控技术应用,农药使用量继续零增长,化肥使用量自改革开放以来也接近零增长。2017年农业植保无人机的繁荣,更加带动一批农业的*通过植保无人机的喷洒来提高农药利用率、降低农药使用量。
 
  农民大多是一家一户分散防治病虫。农药用量不集中,不能合理充分被利用,且大多数农民田间施药未经专门培训,不当用药、过量用药现象严重,造成农药大量浪费。同时,传统小型的喷雾器,作业效率低;大雾滴、大容量的喷洒,农药利用效率低。因此,农业施肥迫切需要使用先进的药械来提高农药利用率。
 
  植保无人机易学易操作。操作人员一般经过30天左右的训练即可掌握要领并执行任务,并且只要站在地头上通过遥控器操作,植保无人机便可在一小时内完成上百亩的庄稼灭虫工作。
 
  植保无人机采用低量喷雾技术。在喷洒作业的过程中,药液经过无人机雾化部件的作用而分散,形成细小的雾滴颗粒,覆盖度高、渗透性好,可以使药剂发挥出佳效果,并且充分发挥粒径大小所带来的优势,从而达到防治病虫草害的目的。
 
  绿色环保,效率高
 
  农用植保无人机个头小巧,其载重量可以达到5-20kg。一般10L药箱的无人机,单次分型10分钟,作业面积可达300亩左右,而人工施肥一亩田地大概要用30L配制好的农药。有数据统计,无人机喷洒效率是传统人工的15-80倍,农药使用量、用水量分别比传统人工至少节约50%和90%。
 
  市场上的植保无人机有电动和油动两种。电动自不必说,轻便、价低必属绿色能源,但油动却认为电机存在动力不足、续航短等缺点。虽然双方都一直难以接受彼此,而争吵不休,但是跟传统的大型农业机械相比,其电耗油耗都算得上是绿色环保了。举个简单的例子,田地里工作的播种机一启动就会有黑烟排出,然而播种的无人机如果工作的时候冒烟,那就不能工作了。
 
  以上只是农用植保无人机的部分优点,但是从这些优点当中已足以证明植保无人机行业前期可期,值得大力推广使用。(本文由中国农机网原创,转载请注明出处,违者必究!)

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