CN2777527Y - Computer vision seeding apparatus test-bed - Google Patents
Computer vision seeding apparatus test-bed Download PDFInfo
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- CN2777527Y CN2777527Y CNU2005200206602U CN200520020660U CN2777527Y CN 2777527 Y CN2777527 Y CN 2777527Y CN U2005200206602 U CNU2005200206602 U CN U2005200206602U CN 200520020660 U CN200520020660 U CN 200520020660U CN 2777527 Y CN2777527 Y CN 2777527Y
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Abstract
The utility model discloses a test-bed of a computer vision seeding apparatus. The utility model aims to provide a test-bed of a computer vision seeding apparatus, which has the advantages of high measuring precision, simple structure, convenient use and operation, high efficiency and wide application. The utility model comprises a test-bed rack, a fuel-injection device which is arranged on the test-bed rack, an installing rack of the seeding apparatus, a drive motor of the seeding apparatus, a seedbed conveying belt, an oil pump, a drive motor of the conveying belt, an air source blower, a computer vision system and a control system, wherein the computer vision system adopts an industrial camera, which is connected with a microprocessor through an industrial monochrome picture P C I collecting card; the control system adopts a high precision increment type rotational speed encoder, which is connected with an RS232 serial port of the microprocessor through a PLC controller. The utility model is used for testing the performance testing of a high-speed pneumatic seeding apparatus.
Description
Technical field
The utility model belongs to agricultural machinery performance test testing apparatus, especially relates to a kind of computer vision feed mechanism for seed testing table.
Background technology
In recent years, China's seeding machinery development is rapid, and demand constantly increases, and the Pneumatic type feed mechanism for seed of suitable high speed operation has obtained increasingly extensive application.Be high efficiency development and improvement feed mechanism for seed, each scientific research institutions, enterprise's widespread usage feed mechanism for seed testing table are as the seed sowing device performance test equipment, advantage is the restriction that can not be subjected to field condition, simulates various operating modes, and seed sowing device performance is carried out deep test, research or evaluation.
Along with mechanization seeding technique, observation and control technology and computer technology rapid development, the feed mechanism for seed testing table of using can not satisfy the technical requirement of high speed Pneumatic type seed sowing device performance experimental test at present, existing feed mechanism for seed testing table utilizes photoelectric sensor to measure the feed mechanism for seed rotating speed, plants bed belt speed and blast, the system that the electric signal of sensor output is formed via latch, amplifier sends instantaneous value into microcomputer, show on microcomputer monitor with numeral or image then, export by printer prints.For example, Chinese patent publication number CN85201873U, March 19 1986 day for announcing, the name of innovation and creation is called ' vegetables feed mechanism for seed testing table ', this application case discloses a kind of vegetables feed mechanism for seed testing table, is made of test-bed, a kind bed conveying belt, feed mechanism for seed erecting frame, conveying belt oiling station, source of the gas, gear train, detection and surveillance and data handling system.This testing table utilizes electric charge coupling CCD camera technique, is connected as a single entity by special purpose interface and microprocessing, carries out the fast automatic detecting of vegetables small-sized seed; Utilize photoelectric sensor to measure the feed mechanism for seed rotating speed, install and the identical index plate of feed mechanism for seed axle rotating speed on transmission shaft, this dish is divided into 360 degree and posts 360 infrared reflecting sheets, carries out measurement count by this infrared reflecting sheet; Utilize photoelectric sensor to measure kind of a bed belt speed, on kind of bed conveying belt, post the infrared reflecting sheet and carry out measurement count every 5mm; Plant bed conveying belt dragging motor, feed mechanism for seed dragging motor employing controllable silicon speed adjustable DC motor, the speed governing accuracy is low, and speed adjustable range is narrow.Its weak point be measuring accuracy inadequately accurately, complicated in mechanical structure, use inconvenient operation, efficient is not high enough, range of application is narrow.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provide that a kind of measuring accuracy height, physical construction are simple, use is easy to operate, efficient is high, the computer vision feed mechanism for seed testing table of applied range, the feed mechanism for seed rotating speed of this computer vision feed mechanism for seed testing table, kind bed belt speed and blast can be adjusted in a big way, and test can make a service test to the high speed Pneumatic type feed mechanism for seed of broadcasting the Different Crop seed.
In order to solve the technical matters of above-mentioned existence, the utility model adopts following technical proposals: computer vision feed mechanism for seed testing table of the present utility model, comprise test-bed 6, be installed in the fueling injection equipment 1 on the test-bed 6, feed mechanism for seed erecting frame 2, feed mechanism for seed drive motor 5, plant bed conveying belt 8, oil pump 11 and conveying belt drive motor 18, and source of the gas blower fan 24, computer vision system and control system, feed mechanism for seed drive motor 5 links to each other with feed mechanism for seed 49 by driving chain 3, conveying belt drive motor 18 links to each other with drum pulley 15 by driving-belt 16, described computer vision system comprises industrial camera 7, industry black white image PCI capture card 50, microprocessor 20, display 21 and be installed in RS232 serial ports 52 and printing interface 51 on the microprocessor 20, described industrial camera 7 is used for seed grain apart from mensuration, described industrial black white image PCI capture card 50 is used for seed video information image transitions, the seed image information input microprocessor 20 that industrial camera 7 can be recorded, described microprocessor 20 is used for measurement data is handled, automatically computing draws relevant homogeneity, stability, consistance seeding accuracy index, described display 21 is used for display image and data, described RS232 serial ports 52 is used for carrying out the data input with PLC controller 53, output, described printing interface 51 is used for the output test data, form and frequency histogram.Wherein, described industrial camera 7 IO interface link to each other with the IO interface of industrial black white image PCI capture card 50, the IO interface of described RS232 serial ports 52 links to each other with PLC controller 53 IO interface, and the output terminal of printing interface 51 links to each other with printer 19 input interfaces.
Can adopt following design proposal as control system of the present utility model.It comprises: seed tray speed probe 4, plant bed conveying belt sensor 14, PLC controller 53, D/A module 54 and frequency converter 55, frequency converter 56, described seed tray speed probe 4 is used to measure the seed tray rotating speed, described kind bed conveying belt sensor 14 is used to measure kind of the pace of bed conveying belt 8, described PLC controller 53 is used to control feed mechanism for seed drive motor 5, conveying belt drive motor 18, oil pump 11 and 24 operations of source of the gas blower fan, and measurement data is passed through described RS232 serial ports 52 import microprocessor 20, described D/A module 54 and frequency converter 56,55 are used for variable frequency regulating speed control feed mechanism for seed drive motor 5, conveying belt drive motor 18.Wherein, described seed tray speed probe 4 concentrics are installed in feed mechanism for seed transmission shaft 32 ends, and the output terminal of this seed tray speed probe 4 links to each other with the input end of PLC controller 53; Described kind bed conveying belt sensor 14 concentrics are installed in drum pulley 15 shaft ends, and the output terminal of this kind bed conveying belt sensor 14 links to each other with the input end of PLC controller 53; Described PLC controller 53 IO interface link to each other with the IO interface of D/A module 54, and link to each other with conveying belt drive motor 18 input ends with feed mechanism for seed drive motor 5 input ends respectively with frequency converter 55 by frequency converter 56.
Seed tray speed probe 4 of the present utility model adopts high precision incremental rotating speed coder 58.
Kind bed conveying belt sensor 14 of the present utility model adopts high precision incremental rotating speed coder 57.
Computer vision feed mechanism for seed testing table of the present utility model can also be equipped with digital blast display 26 on airduct 25.
Can adopt frequency control motor as feed mechanism for seed drive motor 5 of the present utility model, conveying belt drive motor 18, source of the gas blower fan 24.
Computer vision feed mechanism for seed testing table of the present utility model, its seed tray rotational speed regulation scope is 15～300r/min, planting bed conveying belt speed range of adjustment is 1.5～14km/h.
As a preferred version of the present utility model, screw rodb base 28 on the described feed mechanism for seed erecting frame 2,33 by screw mandrel 29,34,47 totally four symmetric support about the two ends of two jointed shafts 44,44 two of this jointed shafts pass through bearing 43,46 respectively support set be contained in left side pipe beam 45 and the right pipe beam 48, be positioned at left side pipe beam 45, left support arm 27 on the right pipe beam 48 and right support arm 35 level respectively are packed in the top of left leading screw 41 and right leading screw 36, described left leading screw 41, right leading screw 36 vertical sleeve respectively is contained in left leading screw block set 40 and the right leading screw block set 37, in left leading screw block set 40, right leading screw block set 37 is provided with handwheel 38,39, rotate this handwheel 38,39 drive left leading screw 41 and right leading screw 36 VTOL (vertical take off and landing); Level is provided with crossbeam 31 on described feed mechanism for seed erecting frame 2, installs vertical tube beam 30,42 on this crossbeam 31, and feed mechanism for seed 49 is installed on the vertical tube beam 30,42.
As further improvement of the utility model, below kind of bed conveying belt 8, be provided with upper supporting roller 9 and snub pulley 10, described upper supporting roller 9 and snub pulley 10 are bearing on the test-bed 6; Below described kind bed conveying belt 8 ends, be provided with frizing seeds scraper 13, and this frizing seeds scraper 13 pastes mutually with lower belt surface.
Because adopt technique scheme, the beneficial effect that the computer vision feed mechanism for seed testing table that the utility model provides has is: 1. measuring accuracy height; 2. simple in structure; 3. use easy to operate; 4. efficient height; 5. applied range.
Description of drawings
Fig. 1 is the structural representation of the utility model computer vision feed mechanism for seed testing table;
Fig. 2 is the structural representation of the erecting frame of feed mechanism for seed shown in Fig. 1;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is the utility model computer vision feed mechanism for seed experimental bench system functional-block diagram;
Fig. 6 is the utility model computer vision feed mechanism for seed testing table PLC control system schematic diagram;
Fig. 7 is the main program flow chart of vision system;
Fig. 8 is the image recognition processing subroutine flow chart.
Among the figure: 13 kinds of bed conveying belt of fueling injection equipment 1 feed mechanism for seed erecting frame, 2 driving chain 3 seed tray speed probes, 4 feed mechanism for seed drive motor 5 test-beds, 6 industrial cameras 7 kinds of bed conveying belt, 8 upper supporting roller 9 snub pulleys, 10 oil pump 11 oil sumps, 12 frizing seeds scrapers sensor, 14 drum pulleys, 15 driving-belts, 16 oil are planted separation vessel 17 conveying belt drive motor 18 printers 19 microprocessor 20 displays 21 switch boards 22 stabilized voltage supplys 23 source of the gas blower fans 24 phoenix and are managed 25 digital blast display 26 left support arm 27 screw rodb bases 28,33 screw mandrels 29,34,47 vertical tube beams 30,42 crossbeams, 31 feed mechanism for seed transmission shafts, 32 right support arm 35 right leading screw 36 right leading screw block set 37 handwheels 38,39 left leading screw block set 40 left leading screw 41 bearings 43, the industrial black white image PCI of 46 jointed shaft 44 left side pipe beams, 45 right pipe beam 48 feed mechanism for seeds (49) capture card 50 printing interfaces 51 RS232 serial ports 52 PLC controller 53D/A modules 54 frequency converters 55,56 incremental rotating speed coders 57,58
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Among Fig. 1, the utility model computer vision feed mechanism for seed testing table, comprise test-bed 6, be installed in the fueling injection equipment 1 on the test-bed 6, feed mechanism for seed erecting frame 2, feed mechanism for seed drive motor 5, plant bed conveying belt 8, oil pump 11 and conveying belt drive motor 18, and source of the gas blower fan 24, computer vision system and control system, feed mechanism for seed drive motor 5 links to each other with feed mechanism for seed 49 by driving chain 3, conveying belt drive motor 18 links to each other with drum pulley 15 by driving-belt 16, stabilized voltage supply 23 provides reliable source of power for computer vision feed mechanism for seed testing table, and control system places in the switch board 22.Referring to Fig. 5, described computer vision system comprises industrial camera 7, industry black white image PCI capture card 50, microprocessor 20, display 21 and the RS232 serial ports 52 and the printing that are installed on the microprocessor 20 connect 51, described industrial camera 7 is used for seed grain apart from mensuration, described industrial black white image PCI capture card 50 is used for seed video information image transitions, the seed image information input microprocessor 20 that industrial camera 7 can be gathered, described microprocessor 20 is used for measurement data is handled, automatically computing draws relevant homogeneity, stability, consistance seeding accuracy index, described display 21 is used for display image and data, described RS232 serial ports 52 is used for carrying out the data input with PLC controller 53, output, described printing interface 51 is used for the output test data, form and frequency histogram.
In the present embodiment, described industrial camera 7 IO interface link to each other with the IO interface of industrial black white image PCI capture card 50, the IO interface of described RS232 serial ports 52 links to each other with PLC controller 53 IO interface, and the output terminal of printing interface 51 links to each other with printer 19 input interfaces.
As Fig. 5, shown in Figure 6, control system comprises seed tray speed probe 4, plant bed conveying belt sensor 14, PLC controller 53, D/A module 54 and frequency converter 55,56, described seed tray speed probe 4 is used to measure the seed tray rotating speed, described kind bed conveying belt sensor 14 is used to measure kind of the pace of bed conveying belt 8, described PLC controller 53 is used to control feed mechanism for seed drive motor 5, conveying belt drive motor 18, oil pump 11 and 24 operations of source of the gas blower fan, and measurement data is passed through described RS232 serial ports 52 import microprocessor 20, described D/A module 54 and frequency converter 56,55 are used for variable frequency regulating speed control feed mechanism for seed drive motor 5, conveying belt drive motor 18.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, described seed tray speed probe 4 concentrics are installed in feed mechanism for seed transmission shaft 32 ends, described kind bed conveying belt sensor 14 concentrics are installed in drum pulley 15 shaft ends, in Fig. 5, the output terminal of this seed tray speed probe 4 links to each other with the input end of PLC controller 53; The output terminal of this kind bed conveying belt sensor 14 links to each other with the input end of PLC controller 53; The IO interface of described PLC controller 53 links to each other with the IO interface of D/A module 54, and links to each other with conveying belt drive motor 18 with feed mechanism for seed drive motor 5 respectively with frequency converter 55 by frequency converter 56.
In a preferred embodiment, as shown in Figure 5, described seed tray speed probe 4 adopts high precision incremental rotating speed coder 58; Described kind bed conveying belt sensor 14 adopts high precision incremental rotating speed coder 57; Among Fig. 1,, on phoenix pipe 25, digital blast display 26 is installed in order to guarantee accurately to measure the air supply system blast; In the present embodiment, described feed mechanism for seed drive motor 5, conveying belt drive motor 18, source of the gas blower fan 24 adopt frequency control motor.Can satisfy the testing requirements of high speed feed mechanism for seed by the control system frequency control, seed tray rotational speed regulation scope is 15～300r/min, and planting a bed conveying belt pace range of adjustment is 1.5～14km/h.
At Fig. 2, among Fig. 3 and Fig. 4, screw rodb base 28 on the described feed mechanism for seed erecting frame 2,33 by screw mandrel 29,34,47 totally four symmetric support about the two ends of two jointed shafts 44,44 two of this jointed shafts pass through bearing 43,46 respectively support set be contained in left side pipe beam 45 and the right pipe beam 48, be positioned at left side pipe beam 45, left support arm 27 on the right pipe beam 48 and right support arm 35 level respectively are packed in the top of left leading screw 41 and right leading screw 36, described left leading screw 41, right leading screw 36 vertical sleeve respectively is contained in left leading screw block set 40 and the right leading screw block set 37, in left leading screw block set 40, right leading screw block set 37 is provided with handwheel 38,39, rotate this handwheel 38,39 drive left leading screw 41 and right leading screw 36 VTOL (vertical take off and landing); Level is provided with crossbeam 31 on described feed mechanism for seed erecting frame 2, installs vertical tube beam 30,42 on this crossbeam 31, and feed mechanism for seed 49 is installed on the vertical tube beam 30,42.
In the present embodiment, as shown in Figure 1, sink and sideslip in order to prevent kind of bed conveying belt 8, can be provided with upper supporting roller 9 and snub pulley 10 below kind of bed conveying belt 8, described upper supporting roller 9 and snub pulley 10 are bearing on the test-bed 6; To move to kind of the oil and the seed of bed conveying belt end and break away from fully in order to make, can below described kind bed conveying belt 8 ends, be provided with frizing seeds scraper 13, and this frizing seeds scraper 13 pastes mutually with lower belt surface.Like this, oil that scrapes and seed are by being located at oil kind separation vessel 17 isolated by filtration of kind of bed conveying belt 8 terminal belows, and oil directly falls back to oil plants in the oil sump 12 of separation vessel 17 belows, so that recycle.
The workflow of the utility model computer vision system is: as shown in Figure 7, industrial camera 7 is gathered seed N two field picture in real time, and this image is carried out noise processed, and contrast is strengthened, the computed image effective range.As shown in Figure 8, the computer vision system subroutine is carried out processes pixel line by line to current effective image, and the feature extraction coupling is also calculated the seed centre coordinate, when collecting N
MaxDuring two field picture, distance was measured between computer vision system was planted, kind of the number statistics that falls, and statistical unit time kind of the number that falls generates form and performance curve.
Claims (8)
1, a kind of computer vision feed mechanism for seed testing table, comprise test-bed (6), be installed in the fueling injection equipment (1) on the test-bed (6), feed mechanism for seed erecting frame (2), feed mechanism for seed drive motor (5), plant bed conveying belt (8), oil pump (11) and conveying belt drive motor (18), and source of the gas blower fan (24), computer vision system and control system, feed mechanism for seed drive motor (5) links to each other with feed mechanism for seed (49) by driving chain (3), conveying belt drive motor (18) links to each other with drum pulley (15) by driving-belt (16), it is characterized in that: described computer vision system comprises industrial camera (7), industry black white image PCI capture card (50), microprocessor (20), display (21) and be installed in RS232 serial ports (52) and printing interface (51) on the microprocessor (20), described industrial camera (7) is used for seed grain apart from mensuration, described industrial black white image PCI capture card (50) is used for seed video information image transitions, the seed information input microprocessor (20) that industrial camera (7) can be gathered, described microprocessor (20) is used for measurement data is handled, automatically computing draws relevant homogeneity, stability, consistance seeding accuracy index, described display (21) is used for display image and data, described RS232 serial ports (52) is used for carrying out the data input with PLC controller (53), output, described printing interface (51) is used for the output test data, form and frequency histogram;
Wherein, described industrial camera (7) IO interface links to each other with industrial black white image PCI capture card (50) IO interface, the IO interface of described RS232 serial ports (52) links to each other with PLC controller (53) IO interface, and the output terminal of printing interface (51) links to each other with printer (19) input interface;
Described control system comprises seed tray speed probe (4), plant bed conveying belt sensor (14), PLC controller (53), D/A module (54) and frequency converter (55), (56), described seed tray speed probe (4) is used to measure the seed tray rotating speed, the described bed conveying belt sensor (14) of planting is used for measuring kind of the pace of bed conveying belt (8), described PLC controller (53) is used to control feed mechanism for seed drive motor (5), conveying belt drive motor (18), oil pump (11) and source of the gas blower fan (24) operation, and measurement data is passed through described RS232 serial ports (52) import microprocessor (20), described D/A module (54) and frequency converter (56), (55) be used for variable frequency regulating speed control feed mechanism for seed drive motor (5), conveying belt drive motor (18);
Wherein, described seed tray speed probe (4) concentric is installed in feed mechanism for seed transmission shaft (32) end, and the output terminal of this seed tray speed probe (4) links to each other with the input end of PLC controller (53); Described kind bed conveying belt sensor (14) concentric is installed in drum pulley (15) shaft end, and the output terminal of this kind bed conveying belt sensor (14) links to each other with the input end of PLC controller (53); The IO interface of described PLC controller (53) links to each other with the IO interface of D/A module (54), and links to each other with conveying belt drive motor (18) input end with feed mechanism for seed drive motor (5) input end respectively with frequency converter (55) by frequency converter (56).
2, computer vision feed mechanism for seed testing table according to claim 1 is characterized in that: described seed tray speed probe (4) adopts high precision incremental rotating speed coder (58).
3, computer vision feed mechanism for seed testing table according to claim 1 is characterized in that: described kind bed conveying belt sensor (14) adopts high precision incremental rotating speed coder (57).
4, computer vision feed mechanism for seed testing table according to claim 1 is characterized in that: on phoenix pipe (25) digital blast display (26) is installed.
5, computer vision feed mechanism for seed testing table according to claim 1 is characterized in that: described feed mechanism for seed drive motor (5), conveying belt drive motor (18), source of the gas blower fan (24) adopt frequency control motor.
6, computer vision feed mechanism for seed testing table according to claim 1, it is characterized in that: seed tray rotational speed regulation scope is 15～300r/min, planting bed conveying belt pace range of adjustment is 1.5～14km/h.
7, computer vision feed mechanism for seed testing table according to claim 1, it is characterized in that: the screw rodb base (28) on the described feed mechanism for seed erecting frame (2), (33) by screw mandrel (29), (34), (47) totally four symmetric support about the two ends of two jointed shafts (44), (44) two of this jointed shafts pass through bearing (43), (46) support set is contained in left Guan Liang (45) and the right Guan Liang (48) respectively, be positioned at left Guan Liang (45), left support arm (27) on the right Guan Liang (48) and right support arm (35) level respectively are packed in the top of left leading screw (41) and right leading screw (36), described left leading screw (41), right leading screw (36) vertical sleeve respectively is contained in left leading screw block set (40) and the right leading screw block set (37), in left leading screw block set (40), right leading screw block set (37) is provided with handwheel (38), (39), rotate this handwheel (38), (39) drive left leading screw (41) and right leading screw (36) VTOL (vertical take off and landing); Go up level at described feed mechanism for seed erecting frame (2) and be provided with crossbeam (31), install vertical tube beam (30), (42) on this crossbeam (31), feed mechanism for seed (49) is installed on vertical tube beam (30), (42).
8, computer vision feed mechanism for seed testing table according to claim 1 is characterized in that: be provided with upper supporting roller (9) and snub pulley (10) below kind of bed conveying belt (8), described upper supporting roller (9) and snub pulley (10) are bearing on the test-bed (6); Be provided with frizing seeds scraper (13) in the terminal below of described kind bed conveying belt (8), and this frizing seeds scraper (13) pastes mutually with lower belt surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2005200206602U CN2777527Y (en) | 2005-04-21 | 2005-04-21 | Computer vision seeding apparatus test-bed |
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| CNU2005200206602U CN2777527Y (en) | 2005-04-21 | 2005-04-21 | Computer vision seeding apparatus test-bed |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871850A (en) * | 2010-05-17 | 2010-10-27 | 黑龙江省农业机械工程科学研究院 | Special lighting device for seeding images |
| CN101498624B (en) * | 2008-01-29 | 2011-07-20 | 河北农业大学 | On-line detection apparatus for seed spacing evenness of accurate planter |
| CN102353553A (en) * | 2011-07-01 | 2012-02-15 | 中国农业大学 | Seed sowing device performance detection apparatus |
| CN102804956A (en) * | 2012-08-28 | 2012-12-05 | 葛俊峰 | Electric adjustable air suction type precise seed discharge device |
| CN102918964A (en) * | 2011-08-11 | 2013-02-13 | 华中农业大学 | Test bed for pneumatic rape seed sowing device |
| CN102960094A (en) * | 2012-11-13 | 2013-03-13 | 北京农业信息技术研究中心 | Corn test device and method |
| CN103424272A (en) * | 2012-06-10 | 2013-12-04 | 华中农业大学 | Multiple-path precision seed-metering device seed-metering performance detection system |
| CN104604396A (en) * | 2015-01-19 | 2015-05-13 | 华南农业大学 | Seed-metering feedback adjustment device of air-suction seed-metering device and feedback adjustment method of feedback adjustment device |
| CN108982136A (en) * | 2018-05-23 | 2018-12-11 | 安徽农业大学 | A kind of system and method for seed sowing device performance detection |
| CN109085002A (en) * | 2018-08-27 | 2018-12-25 | 中国农业大学 | A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed |
| CN113079756A (en) * | 2021-03-31 | 2021-07-09 | 北京农业智能装备技术研究中心 | System and method for simulating field sowing operation |
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2005
- 2005-04-21 CN CNU2005200206602U patent/CN2777527Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498624B (en) * | 2008-01-29 | 2011-07-20 | 河北农业大学 | On-line detection apparatus for seed spacing evenness of accurate planter |
| CN101871850A (en) * | 2010-05-17 | 2010-10-27 | 黑龙江省农业机械工程科学研究院 | Special lighting device for seeding images |
| CN102353553A (en) * | 2011-07-01 | 2012-02-15 | 中国农业大学 | Seed sowing device performance detection apparatus |
| CN102918964A (en) * | 2011-08-11 | 2013-02-13 | 华中农业大学 | Test bed for pneumatic rape seed sowing device |
| CN103424272B (en) * | 2012-06-10 | 2016-02-03 | 华中农业大学 | A kind of multichannel precise seeder seed-metering performance detection system |
| CN103424272A (en) * | 2012-06-10 | 2013-12-04 | 华中农业大学 | Multiple-path precision seed-metering device seed-metering performance detection system |
| CN102804956A (en) * | 2012-08-28 | 2012-12-05 | 葛俊峰 | Electric adjustable air suction type precise seed discharge device |
| CN102960094A (en) * | 2012-11-13 | 2013-03-13 | 北京农业信息技术研究中心 | Corn test device and method |
| CN102960094B (en) * | 2012-11-13 | 2014-05-07 | 北京农业信息技术研究中心 | Corn test device and method |
| CN104604396A (en) * | 2015-01-19 | 2015-05-13 | 华南农业大学 | Seed-metering feedback adjustment device of air-suction seed-metering device and feedback adjustment method of feedback adjustment device |
| CN104604396B (en) * | 2015-01-19 | 2016-08-24 | 华南农业大学 | A kind of air-suction seeding unit seeding feedback adjustment device and feedback adjustment methods thereof |
| CN108982136A (en) * | 2018-05-23 | 2018-12-11 | 安徽农业大学 | A kind of system and method for seed sowing device performance detection |
| CN109085002A (en) * | 2018-08-27 | 2018-12-25 | 中国农业大学 | A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed |
| CN113079756A (en) * | 2021-03-31 | 2021-07-09 | 北京农业智能装备技术研究中心 | System and method for simulating field sowing operation |
| CN113079756B (en) * | 2021-03-31 | 2022-08-23 | 北京农业智能装备技术研究中心 | System and method for simulating field sowing operation |
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