A sowing machine comprises a material detection mechanism and a stirring mechanism, the stirring mechanism (100) comprises a rotating shaft (111), and the material detection mechanism comprises a rotating shaft, a driven piece (10) connected with the rotating shaft through a bearing, a magnet (20) used for being matched with the driven piece (10) and a Hall element (30) used for being matched with the magnet (20); when the driven part is not blocked by materials, the driven part is driven by the rotating shaft to rotate so as to drive the magnet to rotate, and the Hall element detects that a signal of the magnet is a first signal. When the driven part is blocked by the material, the driven part stops rotating under the resistance of the material, and the Hall element detects the signal of the magnet as a second signal; the first signal is different from the second signal to determine whether materials exist in the stirring mechanism. And whether materials exist or not is automatically detected through the material detection mechanism, and convenience is high. The invention further discloses the plant protection unmanned aerial vehicle.
一种播撒机,包括物料检测机构以及搅拌机构,搅拌机构(100)包括一转动轴(111),物料检测机构包括转轴、通过轴承与转动轴相连接的从动件(10)、用以与从动件(10)配合的磁体(20)和用以与磁体(20)配合的霍尔元件(30);在从动件未被物料阻挡时,从动件在转动轴的带动下转动,从而带动磁体转动,霍尔元件检测磁体的信号为第一信号;在从动件被物料阻挡时,从动件在物料的阻力下停止转动,霍尔元件检测磁体的信号为第二信号;第一信号与第二信号不同,以确定搅拌机构内是否存在物料。通过物料检测机构自动检测物料存在与否,便利性强。还公开了植保无人机。
Sowing machine and plant protection unmanned aerial vehicle
播撒机及植保无人机
06.05.2022
Patent
Elektronische Ressource
Chinesisch
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