Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (10): 99-108.DOI: 10.13304/j.nykjdb.2022.0405
• INTELLIGENT AGRICULTURE & AGRICULTURAL MACHINERY • Previous Articles Next Articles
Yuyue LIANG1,2(), Kan ZHENG2, Junfang XIA2(
)
Received:
2022-05-16
Accepted:
2022-07-23
Online:
2023-10-15
Published:
2023-10-27
Contact:
Junfang XIA
通讯作者:
夏俊芳
作者简介:
梁玉玥 E-mail: 274655882@qq.com;
基金资助:
CLC Number:
Yuyue LIANG, Kan ZHENG, Junfang XIA. Performance Simulation and Experiment on Detection and Seed Blowing Device for Rice and Wheat Seeding Device[J]. Journal of Agricultural Science and Technology, 2023, 25(10): 99-108.
梁玉玥, 郑侃, 夏俊芳. 稻麦兼用排种器检测与吹种装置性能模拟与试验[J]. 中国农业科技导报, 2023, 25(10): 99-108.
Fig. 1 Structure of seed metering deviceNote:1—Seed supply device; 2—Hopper; 3—Spiral guide; 4—Solenoid valve; 5—Sorting tube; 6—Photoelectric sensor; 7—Blow nozzle valve; 8—Seed filling tube; 9—Tank return seed; 10—Up seed plate; 11—Lower seed plate.
Fig. 3 Blowing deviceNote:1—Gas-solid two phase flow mixing pipeline; 2—Seeds entrance; 3—Air inlet; 4—Parting outlet; 5—Gas-solid two phase flow outlet.
喷嘴 Nozzle tube | 长度 Length | 宽度 Width | 高度 Height |
---|---|---|---|
Type 1 | 18 | 5 | 5 |
Type 2 | 18 | 6 | 4 |
Type 3 | 18 | 7 | 3 |
Table 1 Structural parameters of nozzle tubes with different cross-sectional areas
喷嘴 Nozzle tube | 长度 Length | 宽度 Width | 高度 Height |
---|---|---|---|
Type 1 | 18 | 5 | 5 |
Type 2 | 18 | 6 | 4 |
Type 3 | 18 | 7 | 3 |
Fig. 5 Grid of blowing-deviceNote:1—Air pressure inlet; 2—Air velocity inlet; 3—Gas-solid two phase flow pressure outlet; 4—Discharge pressure outlet.
水平 Level | 气流入口压力 Air inlet pressure/Pa | 工作转速 Working speed/(r∙min-1) |
---|---|---|
1 | 100 | 12 |
2 | 300 | 20 |
3 | 500 | 28 |
Table 2 Simulation test design level
水平 Level | 气流入口压力 Air inlet pressure/Pa | 工作转速 Working speed/(r∙min-1) |
---|---|---|
1 | 100 | 12 |
2 | 300 | 20 |
3 | 500 | 28 |
气流入口压力 Air inlet pressure/Pa | 工作转速 Working speed/(r∙min-1) | 水稻响应值 Rice response value/N | 小麦响应值 Wheat response value/N | ||||
---|---|---|---|---|---|---|---|
Fz | Fx | FP | Fz | Fx | FP | ||
100 | 12 | 2.03×10-4 | 2.17×10-3 | 2.18×10-3 | 8.75×10-5 | 9.76×10-4 | 9.80×10-4 |
300 | 12 | 2.07×10-4 | 3.21×10-3 | 3.22×10-3 | 9.06×10-5 | 1.64×10-3 | 1.64×10-3 |
500 | 12 | 2.13×10-4 | 4.24×10-3 | 4.25×10-3 | 9.41×10-5 | 3.01×10-3 | 3.01×10-3 |
100 | 20 | 2.07×10-4 | 2.23×10-3 | 2.24×10-3 | 1.13×10-4 | 7.01×10-4 | 7.10×10-4 |
300 | 20 | 2.16×10-4 | 3.41×10-3 | 3.42×10-3 | 1.26×10-4 | 2.44×10-3 | 2.45×10-3 |
500 | 20 | 2.18×10-4 | 5.37×10-3 | 5.47×10-3 | 1.19×10-4 | 3.82×10-3 | 3.85×10-3 |
100 | 28 | 2.21×10-4 | 2.25×10-3 | 2.28×10-3 | 1.24×10-4 | 1.32×10-3 | 1.35×10-3 |
300 | 28 | 2.34×10-4 | 4.36×10-3 | 4.36×10-3 | 1.31×10-4 | 3.98×10-3 | 4.00×10-3 |
500 | 28 | 2.28×10-4 | 6.51×10-3 | 6.53×10-3 | 1.28×10-4 | 5.38×10-3 | 5.39×10-3 |
Table 3 Seed stress under different airflow inlet pressure and working speed
气流入口压力 Air inlet pressure/Pa | 工作转速 Working speed/(r∙min-1) | 水稻响应值 Rice response value/N | 小麦响应值 Wheat response value/N | ||||
---|---|---|---|---|---|---|---|
Fz | Fx | FP | Fz | Fx | FP | ||
100 | 12 | 2.03×10-4 | 2.17×10-3 | 2.18×10-3 | 8.75×10-5 | 9.76×10-4 | 9.80×10-4 |
300 | 12 | 2.07×10-4 | 3.21×10-3 | 3.22×10-3 | 9.06×10-5 | 1.64×10-3 | 1.64×10-3 |
500 | 12 | 2.13×10-4 | 4.24×10-3 | 4.25×10-3 | 9.41×10-5 | 3.01×10-3 | 3.01×10-3 |
100 | 20 | 2.07×10-4 | 2.23×10-3 | 2.24×10-3 | 1.13×10-4 | 7.01×10-4 | 7.10×10-4 |
300 | 20 | 2.16×10-4 | 3.41×10-3 | 3.42×10-3 | 1.26×10-4 | 2.44×10-3 | 2.45×10-3 |
500 | 20 | 2.18×10-4 | 5.37×10-3 | 5.47×10-3 | 1.19×10-4 | 3.82×10-3 | 3.85×10-3 |
100 | 28 | 2.21×10-4 | 2.25×10-3 | 2.28×10-3 | 1.24×10-4 | 1.32×10-3 | 1.35×10-3 |
300 | 28 | 2.34×10-4 | 4.36×10-3 | 4.36×10-3 | 1.31×10-4 | 3.98×10-3 | 4.00×10-3 |
500 | 28 | 2.28×10-4 | 6.51×10-3 | 6.53×10-3 | 1.28×10-4 | 5.38×10-3 | 5.39×10-3 |
作物 Crop | 方差来源 Source of variance | 平方和 Sum of squared | 自由度 Degree of freedom | F值 F value | P值 P value |
---|---|---|---|---|---|
水稻 Rice | 工作转速 Working speed/(r∙min-1) | 1.37×10-5 | 2 | 35.01 | 0.002 9** |
入口压力 Air inlet pressure/Pa | 2.81×10-6 | 2 | 7.22 | 0.047 1* | |
误差 Error | 7.80×10-7 | 4 | |||
总和 Sum | 1.72×10-5 | 8 | |||
小麦 Wheat | 工作转速 Working speed/(r∙min-1) | 1.42×10-5 | 2 | 21.20 | 0.007 4** |
入口压力 Air inlet pressure/Pa | 4.66×10-6 | 2 | 6.97 | 0.049 8* | |
误差 Error | 1.34×10-6 | 4 | |||
总和 Sum | 2.02×10-5 | 8 |
Table 4 Variance analysis on various factors on force
作物 Crop | 方差来源 Source of variance | 平方和 Sum of squared | 自由度 Degree of freedom | F值 F value | P值 P value |
---|---|---|---|---|---|
水稻 Rice | 工作转速 Working speed/(r∙min-1) | 1.37×10-5 | 2 | 35.01 | 0.002 9** |
入口压力 Air inlet pressure/Pa | 2.81×10-6 | 2 | 7.22 | 0.047 1* | |
误差 Error | 7.80×10-7 | 4 | |||
总和 Sum | 1.72×10-5 | 8 | |||
小麦 Wheat | 工作转速 Working speed/(r∙min-1) | 1.42×10-5 | 2 | 21.20 | 0.007 4** |
入口压力 Air inlet pressure/Pa | 4.66×10-6 | 2 | 6.97 | 0.049 8* | |
误差 Error | 1.34×10-6 | 4 | |||
总和 Sum | 2.02×10-5 | 8 |
气流入口压力 Air inlet pressure/Pa | 工作转速 Working speed/(r∙min-1) | 水稻响应值 Rice response value/(m∙s-1) | 小麦响应值 Wheat response value/(m∙s-1) | ||||
---|---|---|---|---|---|---|---|
vx | vz | vp | vx | vz | vp | ||
100 | 12 | 20.14 | 1.04 | 20.17 | 22.22 | 1.13 | 22.25 |
300 | 12 | 23.51 | 1.19 | 23.54 | 25.76 | 1.24 | 25.79 |
500 | 12 | 26.68 | 1.25 | 26.71 | 28.98 | 1.28 | 29.01 |
100 | 20 | 23.42 | 1.43 | 23.46 | 24.10 | 1.45 | 24.14 |
300 | 20 | 27.92 | 1.48 | 26.57 | 28.58 | 1.54 | 28.62 |
500 | 20 | 29.30 | 1.52 | 29.34 | 30.99 | 1.63 | 31.03 |
100 | 28 | 26.29 | 1.67 | 26.34 | 27.40 | 1.82 | 27.46 |
300 | 28 | 28.76 | 1.74 | 28.81 | 30.79 | 1.79 | 30.84 |
500 | 28 | 30.67 | 1.75 | 30.72 | 33.10 | 1.88 | 33.15 |
Table 5 Mean velocity under different airflow inlet pressure and working speed
气流入口压力 Air inlet pressure/Pa | 工作转速 Working speed/(r∙min-1) | 水稻响应值 Rice response value/(m∙s-1) | 小麦响应值 Wheat response value/(m∙s-1) | ||||
---|---|---|---|---|---|---|---|
vx | vz | vp | vx | vz | vp | ||
100 | 12 | 20.14 | 1.04 | 20.17 | 22.22 | 1.13 | 22.25 |
300 | 12 | 23.51 | 1.19 | 23.54 | 25.76 | 1.24 | 25.79 |
500 | 12 | 26.68 | 1.25 | 26.71 | 28.98 | 1.28 | 29.01 |
100 | 20 | 23.42 | 1.43 | 23.46 | 24.10 | 1.45 | 24.14 |
300 | 20 | 27.92 | 1.48 | 26.57 | 28.58 | 1.54 | 28.62 |
500 | 20 | 29.30 | 1.52 | 29.34 | 30.99 | 1.63 | 31.03 |
100 | 28 | 26.29 | 1.67 | 26.34 | 27.40 | 1.82 | 27.46 |
300 | 28 | 28.76 | 1.74 | 28.81 | 30.79 | 1.79 | 30.84 |
500 | 28 | 30.67 | 1.75 | 30.72 | 33.10 | 1.88 | 33.15 |
作物 Crop | 方差来源 Source of variance | 平方和 Sum of squared | 自由度 Degree of freedom | F值 F value | P值 P value |
---|---|---|---|---|---|
水稻 Rice | 工作转速 Working speed/(r∙min-1) | 47.11 | 2 | 76.21 | 0.000 7** |
入口压力 Air inlet pressure/Pa | 40.12 | 2 | 64.91 | 0.000 9** | |
误差 Error | 1.24 | 4 | |||
总和 Sum | 88.46 | 8 | |||
小麦 Wheat | 工作转速 Working speed/(r∙min-1) | 63.00 | 2 | 182.47 | 0.000 1** |
入口压力 Air inlet pressure/Pa | 34.61 | 2 | 100.22 | 0.000 3** | |
误差 Error | 0.69 | 4 | |||
总和 Sum | 98.30 | 8 |
Table 6 Variance analysis on various factors on velocity
作物 Crop | 方差来源 Source of variance | 平方和 Sum of squared | 自由度 Degree of freedom | F值 F value | P值 P value |
---|---|---|---|---|---|
水稻 Rice | 工作转速 Working speed/(r∙min-1) | 47.11 | 2 | 76.21 | 0.000 7** |
入口压力 Air inlet pressure/Pa | 40.12 | 2 | 64.91 | 0.000 9** | |
误差 Error | 1.24 | 4 | |||
总和 Sum | 88.46 | 8 | |||
小麦 Wheat | 工作转速 Working speed/(r∙min-1) | 63.00 | 2 | 182.47 | 0.000 1** |
入口压力 Air inlet pressure/Pa | 34.61 | 2 | 100.22 | 0.000 3** | |
误差 Error | 0.69 | 4 | |||
总和 Sum | 98.30 | 8 |
时间间隔 Time interval | 水稻 Rice | 小麦 Wheat |
---|---|---|
Δt1 | 11.1 | 8.0 |
Δt2 | 7.0 | 8.0 |
Δt3 | 10.1 | 7.2 |
Δt4 | 9.0 | 9.8 |
Δt5 | 10.2 | 9.7 |
Table 7 Seed spacing time
时间间隔 Time interval | 水稻 Rice | 小麦 Wheat |
---|---|---|
Δt1 | 11.1 | 8.0 |
Δt2 | 7.0 | 8.0 |
Δt3 | 10.1 | 7.2 |
Δt4 | 9.0 | 9.8 |
Δt5 | 10.2 | 9.7 |
延时时间 Time interval/ms | 水稻吹种数量 Number of blown rice seeds | 小麦吹种数量 Number of blown wheat seeds |
---|---|---|
10 | 111.8 | 201.2 |
11 | 385.6 | 211.4 |
12 | 477.4 | 424.6 |
13 | 300.2 | 399.8 |
14 | 251.4 | 287.4 |
Table 8 Number of seed blowing under different delay time between grains
延时时间 Time interval/ms | 水稻吹种数量 Number of blown rice seeds | 小麦吹种数量 Number of blown wheat seeds |
---|---|---|
10 | 111.8 | 201.2 |
11 | 385.6 | 211.4 |
12 | 477.4 | 424.6 |
13 | 300.2 | 399.8 |
14 | 251.4 | 287.4 |
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