DEVICE AND METHOD FOR DETECTING BLOCKAGES IN AN AGRICULTURAL SPRAYER

摘要

An agricultural sprayer arrangement includes a chassis, at least one ground engaging traction member carried by the chassis, a liquid tank carried by the chassis, a boom carried by the chassis, a fluid conduit associated with the boom that is fluidly connected to the liquid tank, a spray nozzle that is fluidly connected to the fluid conduit and includes a nozzle body, a differential pressure sensor with a first pressure sensor in the fluid conduit associated with the spray nozzle and a second pressure sensor in the nozzle body, and an electrical processing circuit coupled to the differential pressure sensor. The differential pressure sensor is configured to output a pressure difference signal and the electrical processing circuit is configured to report a blocked nozzle when the pressure difference signal is less than a predetermined threshold value.

主权项

1. An agricultural sprayer arrangement, comprising:
a chassis; at least one ground engaging traction member carried by said chassis; a liquid tank carried by said chassis; a boom carried by said chassis; a fluid conduit associated with said boom and fluidly connected to said liquid tank; a spray nozzle fluidly connected to said fluid conduit and including a nozzle body; a differential pressure sensor having a first pressure sensor in said fluid conduit associated with said spray nozzle and a second pressure sensor in said nozzle body, said differential pressure sensor configured to output a pressure difference signal; and an electrical processing circuit coupled to said differential pressure sensor, said electrical processing circuit configured to report a blocked nozzle when said pressure difference signal is less than a predetermined threshold value.