气动振动式匀种装置工作参数的优化及试验

doi:10.13229/j.cnki.jdxbgxb201406023

吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1684-1691.doi: 10.13229/j.cnki.jdxbgxb201406023

气动振动式匀种装置工作参数的优化及试验

齐龙¹, 谭祖庭^{1, 2}, 马旭¹, 陈国锐¹, 谢俊锋¹, 邝健霞¹

1.华南农业大学工程学院,广州 510642;
2.惠州雷士光电科技有限公司, 广东惠州 516021

收稿日期:2014-01-24 出版日期:2014-11-01 发布日期:2014-11-01
通讯作者: 马旭(1959),男,教授,博士生导师.研究方向:现代农业技术装备.E-mail:maxu1959@scau.edu.cn
作者简介:齐龙(1979),男,副研究员,博士.研究方向:现代农业技术与智能装备.E-mail:
基金资助:
“863”国家高技术研究发展计划项目(2012AA10A501); 高等学校博士学科点专项科研基金项目(20114404110004); 国家公益性行业(农业)科研专项项目(201203059); 现代农业产业技术体系建设专项基金项目(CARS-01-33)

Optimization and test of operational parameters of pneumatic vibration uniform-seeds device

QI Long¹, TAN Zu-ting^{1, 2}, MA Xu¹, CHEN Guo-rui¹, XIE Jun-feng¹, KUANG Jian-xia¹

1.College of Engineering , South China Agricultural University, Guangzhou 510642, China;
2.NVC Lighting Technology Corporation, Huizhou 516021, China

Received:2014-01-24 Online:2014-11-01 Published:2014-11-01

摘要/Abstract

摘要： 为了提高杂交稻在低播种量时的播种性能,对水稻秧盘育秧精密播种机气动振动匀种装置进行了理论分析和试验研究。通过振动分析确定了振动匀种装置稳定均匀排种的条件。采用正交试验方法,研究了播种量分别为45 g/盘、65 g/盘和85 g/盘时,气源排储比A、V-T振盘筛分板的梯形半差C和安装角β对播种合格率和空穴率的影响规律,得到3种播种量的最佳参数组合分别为气源排储比A为0.036/40,梯形半差C为5 mm,安装角β分别为-4°、0°、+4°。最佳参数组合下的试验结果表明:播种量为45 g/盘、65 g/盘和85 g/盘时的播种合格率分别为88.33%、90.83%和93.06%,空穴率分别为1.67%、0.56%和0%,播种性能能够满足超级杂交稻和杂交稻低播种量精密播种的技术要求。

关键词: 农业工程, 水稻育秧, 水稻精密播种器, 振动匀种盘装置, 正交试验

Abstract: A precision seeder for tray nursing seedlings of rice was developed using a new-type pneumatic vibration uniform-seeds device to promote the sowing performance of hybrid rice in low seeding rate. First, steady and uniform seeding condition with different working parameters of the uniform-seeds device was determined, including displacement-storage capacity ratio of air supply, A, setting angle, β, and trapezoidal half difference, C, of the sieving board. Then orthogonal tests were conducted to further investigate the effects of these parameters on the sowing performance, in which the seeding rates were 45 g per tray for supper hybrid rice, 65 g per tray for hybrid rice, and 85 g per tray for inbred rice, respectively. Results show that the best operational parameter combinations were: A was 0.036/40.0 C was 5 mm and β was -4°, 0° and +4° when seeding rates were 45 g per tray, 65 per tray and 85 per tray, respectively. Sowing performance tests based on the best parameter combinations were carried out. The sowing qualified rates were 88.33%, 90.83%, 93.06%, and the cavity rates were 1.76%, 0.56%, 0% for three seeding rates respectively. The sowing performance meets the requirements of precision seeding of super hybrid rice and hybrid rice in low seeding rates.

Key words: agricultural engineering, rice nursing seedlings, rice precision seeder, vibration uniform-seeds device, orthogonal test

中图分类号:

TH113.1

齐龙, 谭祖庭, 马旭, 陈国锐, 谢俊锋, 邝健霞. 气动振动式匀种装置工作参数的优化及试验[J]. 吉林大学学报(工学版), 2014, 44(6): 1684-1691.

QI Long, TAN Zu-ting, MA Xu, CHEN Guo-rui, XIE Jun-feng, KUANG Jian-xia. Optimization and test of operational parameters of pneumatic vibration uniform-seeds device[J]. 吉林大学学报(工学版), 2014, 44(6): 1684-1691.

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气动振动式匀种装置工作参数的优化及试验

Optimization and test of operational parameters of pneumatic vibration uniform-seeds device

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