CN102652510A - Comprehensive spray control test stand - Google Patents
Comprehensive spray control test stand Download PDFInfo
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- CN102652510A CN102652510A CN201210169386XA CN201210169386A CN102652510A CN 102652510 A CN102652510 A CN 102652510A CN 201210169386X A CN201210169386X A CN 201210169386XA CN 201210169386 A CN201210169386 A CN 201210169386A CN 102652510 A CN102652510 A CN 102652510A
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- 239000007921 spray Substances 0.000 title claims abstract description 41
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000005507 spraying Methods 0.000 claims description 62
- 239000003814 drug Substances 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000575 pesticide Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 244000144972 livestock Species 0.000 abstract description 2
- 235000014347 soups Nutrition 0.000 description 10
- 239000003905 agrochemical Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000012827 research and development Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002420 orchard Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Abstract
The invention relates to a comprehensive spray control test stand. The test stand is provided with a liquid pesticide box, wherein the liquid pesticide box is connected with an inlet of a spray pump through a pesticide inlet pipeline, the spray pump is connected with an alternating current motor, an outlet of the spray pump is connected with a pesticide spray pipeline through a main pipeline, and a backflow pipeline is connected with the liquid pesticide box; and the pesticide spray pipeline is connected with a row of spray head groups, a V-shaped slot plate is correspondingly arranged under the spray head groups, rotating shafts are correspondingly arranged under the V-shaped slot plate, the rotating shafts are provided with a row of upper measuring cups and a row of lower measuring cups, and the axes of the upper measuring cups and the lower measuring cups are perpendicular to the rotating shafts. The comprehensive spray control test stand provided by the invention realizes the adjustability of the distribution of the spray heads and the automation of a liquid pesticide recovering and measuring device, and comprehensively enhances the test precision of the test stand so as to make the research and the development of a pesticide-variable spray machine convenient, so that the utilization ratio of the pesticide is enhanced, the harm of the pesticide to human and livestock is reduced, and the pollution of the pesticide to the environment is lowered.
Description
Technical field
The invention belongs to agricultural plant protection machinery, relate to spraying apparatus, be specifically related to a kind of spraying control multi-function test stand.
Background technology
In the management operations of orchard the control of damage by disease and insect be when taking a lot of work most, very important events in operation again, also be technical very jejune link simultaneously.Statistics is wanted spraying pesticide 8～16 times more than in the vegetative period in 1 year of fruit tree according to investigations, has 50%～70% agricultural chemicals to drop in soil and the surrounding environment after spraying insecticide, and causes serious pollution.Secondly, the excessive use of agricultural chemicals can cause the large tracts of land of crop to be poisoned, even cause comprehensive underproduction.
Improving the effective rate of utilization of agricultural chemicals, reduce the pollution of agricultural chemicals to environment, is an important goal of modern agriculture engineering development, and research and development variable rate spray dispenser machine is the important means of realizing this goal.In the R&D process of variable rate spray dispenser machine, the variable rate spray testboard has crucial effects, utilizes the variable rate spray testboard to carry out the test job in early stage, optimizes the design of sprayer, guarantees for follow-up R&D process provides theoretical foundation and parameter.Current variable rate spray testboard is simple in structure, sensor kind and negligible amounts, and the control system is simple, and data can not high density store and transmit, and the automation and intelligentification degree is lower.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, the object of the present invention is to provide a kind of spraying control multi-function test stand, adopt velocity sensor, flow sensor, pressure sensor to detect simultaneously; Store and transmit by the information of signal acquiring system pick-up transducers; By spraying control system and can regulate magnetic valve and electrical ball valve, realize that shower nozzle distributes to be in harmonious proportion the automation that soup reclaims measurement mechanism that comprehensive integral improves the measuring accuracy of testboard according to sensor signal; Be convenient to the research and development of variable rate spray dispenser machine; Thereby improve the availability of agricultural chemicals, reduce the harm of chemical pesticide, reduce the pollution of agricultural chemicals environment to people and livestock.
To achieve these goals, the technical scheme of the present invention's employing is:
A kind of spraying control multi-function test stand, testing stand is provided with spray tank 11, and spray tank 11 connects the inlet of jet pump 19 through drug-feeding tube road 17; Jet pump 19 connects alternating current generator 21; The outlet of jet pump 19 takes back stream pipeline 8 and medicine spraying tube road 2 through trunk line 14, and reflux line 8 is connected to spray tank 11, and medicine spraying tube road 2 connects the jet head sets 32 that is arranged in a row; The corresponding V-type frid 33 in jet head sets 32 belows; V-type frid 33 below corresponding rotation axles 37, rotating shaft 37 are provided with a row and go up measuring cup 38 under a measuring cup 34 and the row, and last measuring cup 34 is all vertical with rotating shaft 37 with the axis of following measuring cup 38.
First pressure sensor 12 is set on the said trunk line 14; Electrical ball valve 9 and first flow sensor 10 are set on the reflux line 8; Second pressure sensor 4 and second flow sensor 6 are set on the medicine spraying tube road 2; Also be provided with fifth wheel 24 on the testing stand; Fifth wheel 24 connects direct current generator 27 through change-speed gearing group 26, and fifth wheel 24 1 sides are provided with Hall element 25, and opposite side connects encoder 22 through shaft coupling 23; Medicine spraying tube road 2 connects medicine spraying tube group 41 through spray medicine house steward 30; Medicine spraying tube group 41 connects jet head sets 32, and pressure sensor group 40, magnetic valve group 42 and choke valve group 43 are set on the medicine spraying tube group 41, said electrical ball valve 9, first pressure sensor 12, first flow sensor 10, second pressure sensor 4, second flow sensor 6, Hall element 25, encoder 22 and the pressure sensor group 40 signal collected harvester control centres 5 that input on the testing stand.
Said harvester control centre 5 connects host computer 7.
Said harvester control centre 5 comprises host scm and assistant SCM, and assistant SCM connects first flow sensor 10, second flow sensor 6 and pressure sensor group 40; Host scm connects electrical ball valve 9, first pressure sensor 12, second pressure sensor 4, Hall element 25, encoder 22 and input-output equipment; Through the computer serial communication module communication, pass through the microcomputer series interface communication module communication between host scm and the assistant SCM between host scm and the host computer 7.
Also comprise the spraying control system 3 that is arranged on the testing stand; Spraying control system 3 comprises a core controller; The input termination encoder 22 of this core controller, Hall element 25, second flow sensor 6 and second pressure sensor 4; The output of spraying control system 3 drives through the magnetic valve group and connects magnetic valve group 42, and the output of spraying control system 3 also drives through electrical ball valve and connects electrical ball valve 9, and core controller can be a single-chip microcomputer etc.
Said medicine spraying tube group 41 is fixed on the horizontal slotted hole rule 44 through the nut 45 of laterally screwing, and laterally slotted hole rule 44 is fixed on the vertical slotted hole rule 29 through the nut 31 of vertically screwing, and vertical slotted hole rule 29 is fixed on the testing stand.
There is road wheel 20 said testing stand below.
On the said drug-feeding tube road 17 filter 15 is set, on the said trunk line 14 overflow valve 16 is set.
Said rotating shaft 37 connects stepper motor 35.
Said testing stand is divided into workbench 1 and following workbench 18, and said spraying is controlled system 3, harvester control centre 5, host computer 7, spray tank 11 and vertical supports 39 and all is arranged on the workbench 1; Jet pump 19, alternating current generator 21, fifth wheel 24 and direct current generator 27 all are arranged at down on the workbench 18.
The present invention compared with prior art; Owing to be provided with a cover velocity variations checkout gear; And pressure sensor and flow sensor are installed on pipeline; Spraying control system can regulate the aperture of electrical ball valve and the keying of magnetic valve realizes variable rate spray according to the variation of the flow in operating speed, drug-feeding tube road and pressure, and the signal pickup assembly of installing on the testing stand is gathered Hall element or the signal of encoder on the pressure of the pressure sensor that is installed in the shower nozzle place, the pressure that is installed in the pressure sensor on the trunk line, the aperture that is installed in the electrical ball valve on the reflux line and the velocity variations checkout gear respectively, and is sent to host computer after handling; Carry out analysis-by-synthesis; And can realize the horizontal and vertical change in location of shower nozzle through shower nozzle profile adjustment device, spraying collected, to obtain the soup surficial deposit distribution that different shower nozzles distribute with V-type frid and measuring cup; Realize that the variable of testing soup sprays, evenly sprays continuously; Improve the availability of agricultural chemicals, reduce the management cost in orchard, reduce the pollution of chemical pesticide environment.
Description of drawings
Fig. 1 is a sketch map left view of the present invention.
Fig. 2 is a sketch map front view of the present invention.
Fig. 3 is the present invention's control systematic schematic diagram of spraying.
Fig. 4 is a signal acquiring system schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is explained further details.
As shown in Figure 1; A kind of concrete structure for variable rate spray testboard of the present invention; Comprise workbench 1, following workbench 18, road wheel 20 and handrail 13; Fixing by vertical supports 39 connections between the workbench up and down, vertical supports 39 is upwards stretched out workbench 1, and the top connects fixing with horizontal support 46.
Last workbench 1 is provided with sprayer unit, and sprayer unit comprises spray tank 11, and spray tank 11 is connected with jet pump 19 through drug-feeding tube road 17; Mounting filtering device 15 on drug-feeding tube road 17 is connected with overflow valve 16 between jet pump 19 and the trunk line 14, and trunk line 14 is provided with first pressure sensor 12 and constitutes along separate routes; One the tunnel connects drug-feeding tube road 2; One the tunnel connects reflux line 8, and the other end of reflux line 8 links to each other with spray tank 11, and first flow sensor 10 and electrical ball valve 9 are installed between reflux line 8 and spray tank 11; The other end in medicine spraying tube road 2 connects medicine spraying tube group 41 through spray medicine house steward 30; Medicine spraying tube group 41 connects jet head sets 32, and second flow sensor 6 and second pressure sensor 4 are installed on medicine spraying tube road 2, and pressure sensor group 40 is installed on the medicine spraying tube group 41; Come the pressure condition of the soup in real-time monitored pipeline with this, and according to the pressure loss situation of each pipeline of data analysis.
On the workbench 18 the velocity variations checkout gear is being installed down; Change the velocity variations of fifth wheel 24 through DC motor controller 28 control direct current generators 27; And the numerical value change of encoder 22 or Hall element 25 detection speeds arranged; Data are sent to harvester control centre 5 and spraying control system 3; The data that reach harvester control centre 5 finally reach host computer 7 and carry out analysis-by-synthesis with the soup data collection, and the data that reach spraying control system 3 will be controlled magnetic valve group 42 and electrical ball valve 9 together with other signals.
As shown in Figure 2; Jet head sets 32 is installed on the medicine spraying tube 41; Medicine spraying tube group 41 is fixed on laterally from vast sky rule 44 through the nut 45 of laterally screwing; Regulate the distance between medicine spraying tube group 41 each medicine spraying tubes at the trial, realize that the horizontal different spacing of jet head sets 32 distributes, the corresponding V-type frid 33 in jet head sets 32 belows.Laterally slotted hole rule 44 is fixed on the vertical slotted hole rule 29 through the nut 31 of vertically screwing, and during test, can regulate the position of horizontal slotted hole rule 44 on vertical slotted hole rule 29, realizes that the different spacing of the vertical direction of jet head sets 32 distributes.
, the testboard front end on the vertical supports 39 of workbench 1 and following workbench 18 rotating shaft 37 is installed on connecting; Rotating shaft 37 is positioned at the below of V-type frid 33; Utilize the rotation of stepper motor 35 driven in rotation axles 37; One row is set on the rotating shaft 37 amounts to 24 and go up measuring cups 34, and a row amounts to 24 following measuring cups 38, last measuring cup 34 is all vertical with rotating shaft 37 with the axis of following measuring cup 38.When jet head sets 32 sprays soup, will be dropped on the V-type frid 33, soup is gone into each measuring cup along the V-type concentrated flow, and the data of record measuring cup can be analyzed jet head sets 32 when varying level vertically distributes, and the surficial deposit of soup distributes.After having write down data, through step motor control switch 36 drive stepping motor 35 Rotate 180 degree, the liquid in the last measuring cup 34 is poured out and is controlled dried, launch down measuring cup 38 and make an experiment, measuring cup is used alternatingly up and down.
The present invention control system that sprays can obtain in real time, show and the information of longer-term storage encoder 22 or Hall element 25, electrical ball valve 9, pressure sensor 4 and flow sensor 6 is controlled electrical ball valve 9 and magnetic valve group 42, realizes variable rate spray.
As shown in Figure 3, be spraying control system principle of the present invention.Pressure signal and job information input core controller that the rate signal that encoder 22 or Hall element 25 are gathered, the flow signal that each flow sensor is gathered etc., each pressure sensor are gathered; Core controller should be connected with basic equipments such as memory module, power supply; Core controller is according to the various signals that receive; Integrated treatment, the keying work through output control electrical ball valve 9 or magnetic valve group 42 realizes variable rate spray.
The present invention can also comprise signal acquiring system, and signal acquiring system comprises that the harvester control centre that is installed on the workbench 5 and the encoder 22 that is attached thereto, Hall element 25, first pressure sensor 12, electrical ball valve 9, second pressure sensor 4 and pressure sensor group 40 form.Encoder 22 or Hall element 25 are sent to harvester control centre 5 with rate signal; First pressure sensor 12, second pressure sensor 4 and pressure sensor group 40 are sent to harvester control centre 5 with pressure signal; Electrical ball valve 9 is sent to harvester control centre 5 with the aperture signal, is stored demonstration and is finally reached host computer analysis with rate signal and pressure signal.
Be illustrated in figure 4 as signal acquiring system schematic diagram of the present invention.Acquisition system control centre is made up of two groups of single-chip microcomputers (host scm and assistant SCM), keyboard, display and serial communication module.Wherein, The first flow sensor 10 and second flow sensor 6 reach pressure signal flow signal, pressure sensor group 40 the assistant SCM demonstration and finally are sent to host computer through serial communication module; Hall element 25 or encoder 22 are delivered to host scm with rate signal; Electrical ball valve 9 reaches host scm with the aperture signal; First pressure sensor 12 and second pressure sensor 4 are sent to host scm with pressure signal, and these signals will be shown and finally will be sent to host computer by communication module.
The course of work of the present invention is following: at first regulate the distributing position of medicine spraying tube group 41 on horizontal slotted hole rule 44 respectively according to the needs of test; And be tightened; Regulate the position of horizontal slotted hole rule 44 on vertical slotted hole rule 29 again, and be tightened.Open DC motor controller 28 and give direct current generator 27 certain speeds, open alternating current generator 21 and start jet pumps 19, then start the spraying control device, the data of measuring cup 34 and import host computer 7 and store and analyze on the record.After test is accomplished the collection of soup and is write down the data of measuring cup 34, start stepper motor switch 36 control step motors 35 Rotate 180 degree, it is dried to topple over the soup and the control of going up measuring cup 34; Launch down measuring cup 38 and carry out test of many times; Revise DC motor controller 28 parameters and give direct current generator 27 1 speed that change according to certain rule, enabling signal acquisition system, spraying control device operation Different control program; Through signal pickup assembly analytical test effect, compare analysis.
Claims (10)
1. multi-function test stand is controlled in a spraying; Testing stand is provided with spray tank (11), and spray tank (11) connects the inlet of jet pump (19) through drug-feeding tube road (17), and jet pump (19) connects alternating current generator (21); The outlet of jet pump (19) takes back stream pipeline (8) and medicine spraying tube road (2) through trunk line (14); Reflux line (8) is connected to spray tank (11), it is characterized in that, medicine spraying tube road (2) connect the jet head sets (32) that is arranged in a row; Jet head sets (32) below corresponding V-type frid (33); V-type frid (33) below corresponding rotation axle (37), rotating shaft (37) are provided with a row and go up measuring cup (38) under a measuring cup (34) and the row, and last measuring cup (34) is all vertical with rotating shaft (37) with the axis of following measuring cup (38).
2. spraying control multi-function test stand according to claim 1; It is characterized in that; First pressure sensor (12) is set on the said trunk line (14); Electrical ball valve (9) and first flow sensor (10) are set on the reflux line (8); Second pressure sensor (4) and second flow sensor (6) are set on the medicine spraying tube road (2); Also be provided with fifth wheel (24) on the testing stand; Fifth wheel (24) connects direct current generator (27) through change-speed gearing group (26), and fifth wheel (24) one sides are provided with Hall element (25), and opposite side connects encoder (22) through shaft coupling (23); Medicine spraying tube road (2) connects medicine spraying tube group (41) through spray medicine house steward (30); Medicine spraying tube group (41) connects jet head sets (32), and pressure sensor group (40), magnetic valve group (42) and choke valve group (43) are set on the medicine spraying tube group (41), the signal collected harvester control centre (5) that inputs on the testing stand of said electrical ball valve (9), first pressure sensor (12), first flow sensor (10), second pressure sensor (4), second flow sensor (6), Hall element (25), encoder (22) and pressure sensor group (40).
3. spraying control multi-function test stand according to claim 2 is characterized in that said harvester control centre (5) connects host computer (7).
4. spraying control multi-function test stand according to claim 2; It is characterized in that; Said harvester control centre (5) comprises host scm and assistant SCM, and assistant SCM connects first flow sensor (10), second flow sensor (6) and pressure sensor group (40); Host scm connects electrical ball valve (9), first pressure sensor (12), second pressure sensor (4), Hall element (25), encoder (22) and input-output equipment; Through the computer serial communication module communication, pass through the microcomputer series interface communication module communication between host scm and the assistant SCM between host scm and the host computer (7).
5. spraying control multi-function test stand according to claim 1; It is characterized in that; Also comprise the spraying control system (3) that is arranged on the testing stand; Spraying control system (3) comprises a core controller; The input termination encoder (22) of this core controller, Hall element (25), second flow sensor (6) and second pressure sensor (4), the output of spraying control system (3) drive through the magnetic valve group and connect magnetic valve group (42), and the output of spraying control system (3) also drives through electrical ball valve and connects electrical ball valve (9).
6. spraying control multi-function test stand according to claim 1; It is characterized in that; Said medicine spraying tube group (41) is fixed on the horizontal slotted hole rule (44) through the nut of laterally screwing (45); Laterally slotted hole rule (44) is fixed on the vertical slotted hole rule (29) through the nut of vertically screwing (31), and vertical slotted hole rule (29) is fixed on the testing stand.
7. spraying control multi-function test stand according to claim 1 is characterized in that there is road wheel (20) said testing stand below.
8. according to the described spraying control of claim l multi-function test stand, it is characterized in that, filter (15) is set on the said drug-feeding tube road (17), overflow valve (16) is set on the said trunk line (14).
9. spraying control multi-function test stand according to claim 1 is characterized in that said rotating shaft (37) connects stepper motor (35).
10. spraying control multi-function test stand according to claim 1; It is characterized in that; Said testing stand is divided into workbench (1) and following workbench (18), and said spraying is controlled system (3), harvester control centre (5), host computer (7), spray tank (11) and vertical supports (39) and all is arranged on the workbench (1); Jet pump (19), alternating current generator (21), fifth wheel (24) and direct current generator (27) all are arranged at down on the workbench (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210169386 CN102652510B (en) | 2012-05-28 | 2012-05-28 | Comprehensive spray control test stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210169386 CN102652510B (en) | 2012-05-28 | 2012-05-28 | Comprehensive spray control test stand |
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| Publication Number | Publication Date |
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| CN102652510A true CN102652510A (en) | 2012-09-05 |
| CN102652510B CN102652510B (en) | 2013-07-17 |
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| CN 201210169386 Expired - Fee Related CN102652510B (en) | 2012-05-28 | 2012-05-28 | Comprehensive spray control test stand |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954895A (en) * | 2012-10-31 | 2013-03-06 | 北京农业信息技术研究中心 | Automatic testing device of orchard sprayer and method |
| CN102980614A (en) * | 2012-10-31 | 2013-03-20 | 北京农业信息技术研究中心 | Device and method for testing spray head of orchard spraying machine |
| CN102986636A (en) * | 2012-12-25 | 2013-03-27 | 西北农林科技大学 | Air-assisted spraying test bed |
| CN102997970A (en) * | 2012-11-15 | 2013-03-27 | 北京农业信息技术研究中心 | Spray deposition testing device and method |
| CN104536281A (en) * | 2014-12-17 | 2015-04-22 | 江苏大学 | Device for measuring system delay time in variable spraying process based on real-time sensor |
| CN104686481A (en) * | 2015-02-04 | 2015-06-10 | 中国科学院合肥物质科学研究院 | Device and method for automatically controlling vehicle speed of pesticide-spraying machine capable of variably spraying pesticides |
| CN106386765A (en) * | 2016-11-19 | 2017-02-15 | 合肥大顷农业智能装备有限公司 | Adjustable plant protection machinery spraying system and pressure adjuster |
| CN115104587A (en) * | 2017-03-24 | 2022-09-27 | 巴斯夫农化商标有限公司 | Drift correction during application of crop protection agents |
| US20220341421A1 (en) * | 2019-09-30 | 2022-10-27 | Precision Planting Llc | Systems and methods for testing agricultural implements |
| CN116395147A (en) * | 2023-05-11 | 2023-07-07 | 深圳市好盈科技股份有限公司 | Pressure and flow determining method and device for simulating unmanned aerial vehicle spraying system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980614B (en) * | 2012-10-31 | 2015-06-03 | 北京农业信息技术研究中心 | Device and method for testing spray head of orchard spraying machine |
| CN102980614A (en) * | 2012-10-31 | 2013-03-20 | 北京农业信息技术研究中心 | Device and method for testing spray head of orchard spraying machine |
| CN102954895A (en) * | 2012-10-31 | 2013-03-06 | 北京农业信息技术研究中心 | Automatic testing device of orchard sprayer and method |
| CN102997970B (en) * | 2012-11-15 | 2016-04-27 | 北京农业信息技术研究中心 | A kind of spraying sedimentation proving installation and method |
| CN102997970A (en) * | 2012-11-15 | 2013-03-27 | 北京农业信息技术研究中心 | Spray deposition testing device and method |
| CN102986636B (en) * | 2012-12-25 | 2014-08-06 | 西北农林科技大学 | Air-assisted spraying test bed |
| CN102986636A (en) * | 2012-12-25 | 2013-03-27 | 西北农林科技大学 | Air-assisted spraying test bed |
| CN104536281A (en) * | 2014-12-17 | 2015-04-22 | 江苏大学 | Device for measuring system delay time in variable spraying process based on real-time sensor |
| CN104536281B (en) * | 2014-12-17 | 2017-01-18 | 江苏大学 | Device for measuring system delay time in variable spraying process based on real-time sensor |
| CN104686481A (en) * | 2015-02-04 | 2015-06-10 | 中国科学院合肥物质科学研究院 | Device and method for automatically controlling vehicle speed of pesticide-spraying machine capable of variably spraying pesticides |
| CN106386765A (en) * | 2016-11-19 | 2017-02-15 | 合肥大顷农业智能装备有限公司 | Adjustable plant protection machinery spraying system and pressure adjuster |
| CN115104587A (en) * | 2017-03-24 | 2022-09-27 | 巴斯夫农化商标有限公司 | Drift correction during application of crop protection agents |
| US20220341421A1 (en) * | 2019-09-30 | 2022-10-27 | Precision Planting Llc | Systems and methods for testing agricultural implements |
| US11971029B2 (en) * | 2019-09-30 | 2024-04-30 | Precision Planting Llc | Test frame and methods for fluidly testing agricultural devices |
| CN116395147A (en) * | 2023-05-11 | 2023-07-07 | 深圳市好盈科技股份有限公司 | Pressure and flow determining method and device for simulating unmanned aerial vehicle spraying system |
| CN116395147B (en) * | 2023-05-11 | 2023-08-18 | 深圳市好盈科技股份有限公司 | Pressure and flow determining method and device for simulating unmanned aerial vehicle spraying system |
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| CN102652510B (en) | 2013-07-17 |
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