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播種位置判別及び欠粒補償機能を有するマルチシ-ダの試作研究

具有播位确定和漏粒补偿功能的多播机样机研究

基本信息

批准号：
63860033
负责人：
FURUCHI Toshio
金额：
$ 4.16万
依托单位：
Miyazaki University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Developmental Scientific Research (B).
财政年份：
1988
资助国家：
日本
起止时间：
1988 至 1990
项目状态：
已结题

项目摘要

(1) The research carries on a development of a precision planter with a computer control for planting seeds into the center of a hole in plastic mulch-film. We developed the precision planting system for plastic mulch-film cultivation composing of the shutter mechanism being controlled by photosensors, a rotary solenoid and a stepping motor from a hole-diameter and seeds as a seeds-delivery mechanism for planting timing.(2) We developed the micro computer having Z80 CPU and a program for operating a precision plantin. The computer calculates a planting timing to drop speed into a center of a film holes using planting spped and a diameter of film holes.(3) This system composed of photosensors for a detection of hole position and existence of seeds, the stepping motor for rotating a seed plate, the shutter for seeds delivery and the rotary solenoid for moving the shutter mechanism by the computer.(4) The results of characteristic of the seed delivery by shutter mechanisms were analyzed by the portrait. It is to say that the mechanism with the double shutter can correspond to a change of planting speed more or less at fixed planting height.(5) The trial machine of the planting system for tractor was produced. This machine which has a double shutter mechanism controlled by computer is carried out ridging, mulching of films and planting at the same time. The characteristic of the planting device has an independent suspention mechanism with four-bar linkage mechanism for being able to move flexibly on seed-beds of films.(6) On planting performance, it is recognized that the micro computer control system for a plastic mulch-film cultivation can plant seeds into holes of films with a diameter of 4cm on the basic indoor experimental test and field test when this system was operated at an inside range of the theoretical planting speed giving the invasion rate 100% into the holes.

(1)研制了一种基于计算机控制的地膜穴心精密播种机。研制了由光敏传感器控制的百叶窗机构、旋转螺线管和孔径步进电机组成的地膜精密播种系统，以及作为播种定时的种子输送机构。(2)研制了以Z80CPU为核心的微型计算机和精密播种机的操作程序。该系统由用于检测播种孔位置和是否存在种子的光电传感器、用于旋转播种板的步进电机、用于播种的百叶窗和用于移动百叶窗机构的旋转螺线管组成。(4)利用计算机对百叶窗机构的播种特性进行了分析。也就是说，双快门机构可以或多或少地对应固定播种高度下播种速度的变化。(5)研制了拖拉机播种系统试验机。该机具有电脑控制的双快门机构，可同时进行起皱、覆膜和播种。该播种器的特点是具有独立的悬挂机构和四连杆机构，能够在地膜播种床上灵活移动。(6)在播种性能方面，通过基本的室内试验和田间试验，认为地膜栽培微电脑控制系统在理论播种速度范围内工作时，可以将种子播种到直径为4 cm的地膜穴内，入穴入侵率为100%。