近年，随着务农人口不断高龄化和保护资源意识不断增强，各种大田用节水、省力、低价的自动浇水设备在日本十分畅销。以往这些自动浇水设备大部分是用于管道式水路灌溉，而一般用于水渠式水路灌溉的设备却十分稀少。其主要原因是，由于此类设备成本价格较高以及进入水渠中垃圾 In recent years, with the growing population of agricultural workers and the increasing awareness of resource conservation, all kinds of field water-saving, labor-saving, low-cost automatic watering equipment is very popular in Japan. In the past, most of these automatic watering equipment was used for pipe-type waterway irrigation, while the equipment commonly used for irrigation of waterway channels was scarce. The main reason is due to the high cost of such equipment and the waste entering the canal