CN108279108B - Simulation test device for field fogdrop drift - Google Patents
Simulation test device for field fogdrop drift Download PDFInfo
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- CN108279108B CN108279108B CN201810336595.6A CN201810336595A CN108279108B CN 108279108 B CN108279108 B CN 108279108B CN 201810336595 A CN201810336595 A CN 201810336595A CN 108279108 B CN108279108 B CN 108279108B
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000004088 simulation Methods 0.000 title claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 41
- 238000005094 computer simulation Methods 0.000 claims abstract description 36
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 239000000725 suspension Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000575 pesticide Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a field droplet drift simulation test device, which comprises a multi-fan system, a wind field setting system, a wind field accelerating system and a test section which are sequentially arranged, wherein a flow field measurement and control system is arranged at the junction of the wind field accelerating system and the test section, a gas flow field in the test section can be consistent with a field real flow field through control of a working condition machine and collection of feedback data, a dynamic simulation platform for a spray boom is arranged above the test section, vibration, height and wind measurement influence of the spray boom in the real spraying process can be simulated, and a drift acquisition system is arranged at the bottom surface in the test section, so that deposition and drift data of spray droplets under different row spacing and plant spacing can be acquired. The simulation test device can simulate parameters such as wind speed, wind power, wind direction, vibration of a spray boom when spraying pesticides, humidity, temperature and the like, so as to obtain optimal spraying parameters when spraying pesticides.
Description
Technical Field
The invention relates to the technical field of agricultural planting, in particular to a field fogdrop drift simulation test device.
Background
In the pesticide use process, due to the influence of field operation environment, a large number of fog drops can not effectively hit the target, and the fog drops which do not hit the target suspend in the air or fall to the ground, so that the environment is polluted. Aiming at the phenomenon, the current method generally adopts an indoor test or field test to control the spraying parameters, thereby reducing drift and improving the utilization rate of pesticides.
Disclosure of Invention
The invention aims to solve the technical problem of providing a field fogdrop drift simulation testing device which can obtain optimal spraying parameters during pesticide spraying by simulating parameters such as wind speed, wind power, wind direction, vibration of a spray rod during pesticide spraying, humidity, temperature and the like.
In order to solve the technical problems, the invention adopts the following technical scheme:
simulation test device is dribbled in field, characterized by: the system comprises a multi-fan system, wherein the multi-fan system is formed by closely arranging a plurality of independent fans, the independent fans are distributed in a square array, a fan air outlet side of the multi-fan system is provided with a wind field setting system, a flow guiding device is arranged in the wind field setting system, the air outlet side of the wind field setting system is provided with a wind field accelerating system, the air outlet side of the wind field accelerating system is provided with a test section, the joint of the test section and the wind field accelerating system is provided with a wind speed measuring sensor, the wind speed measuring sensor is in signal connection with a signal input end of an industrial personal computer, the signal output end of the industrial personal computer realizes signal control on the multi-fan system through a frequency converter group, the number of frequency converters in the frequency converter group is the same as that of the fans in the multi-fan system, and the frequency converters in the frequency converter group and the fans in the multi-fan system are in one-to-one correspondence in the signal control process;
the dynamic simulation platform is fixedly arranged below the dynamic simulation platform, the dynamic simulation platform can drive the spraying system to freely slide along the guide rail, the dynamic simulation platform can control the vibration state and the spraying angle of the spraying system, the spraying system can control the spraying height, the dynamic simulation platform and the spraying system are connected with a working condition machine in a signal mode, and the working condition machine controls the working states of the dynamic simulation platform and the spraying system;
the drift acquisition system comprises a bottom surface rough element paved on the bottom surface inside the test section, crops with adjustable plant spacing and row spacing are paved on the upper surface of the bottom surface rough element, water-sensitive paper is paved on the surfaces of blades of the crops, and acquisition dishes are arranged on the upper surface of the bottom surface rough element between adjacent crops.
The specific measures adopted for optimizing the invention further comprise:
the dynamic simulation platform is fixed on the lower surface of the guide rail sliding block, the guide rail sliding block is embedded in the guide rail, the dynamic simulation platform comprises a vibration simulation device, the lower part of the vibration simulation device is connected with a spray rod installation bottom plate through a rotating mechanism, and the lower part of the spray rod installation bottom plate is connected with a spray rod through a spray rod electric suspension.
The guide rail sliding block is in transmission connection with the driving motor, and the driving motor can drive the guide rail sliding block to slide along the direction of the guide rail.
The vibration simulation device consists of a plurality of electric push rods, the electric push rods are in signal control connection with the working condition machine, and the working condition machine realizes vibration simulation by controlling the telescopic state of the electric push rods.
The dynamic simulation platform comprises a top plate and a bottom plate, the vibration simulation device is arranged between the top plate and the bottom plate, the top plate is fixedly connected with the guide rail sliding block, and the central position of the bottom plate is provided with a rotating mechanism.
The utility model discloses a boom electric suspension, the boom electric suspension below fixed mounting have a plurality of spouts that are parallel to each other, the boom on be provided with a plurality of nozzle, the distance between the adjacent spouts the same, a plurality of spouts that are parallel to each other be located same horizontal plane.
The air guide device is formed by arranging a plurality of air guide plates in array, and the wind speed measuring sensor is formed by arranging and combining a plurality of wind speed sensors in array.
The wind field accelerating system is made of ventilating ducts with variable sectional areas.
The simulation test device for the drift of the mist drops in the field has the beneficial effects that:
firstly, the working state of each fan can be controlled by the multi-fan system through the working condition machine, so that the blowing states with different heights and widths can be realized, and blowing effects such as the pulsation speed of blowing can be controlled;
second, the fans in the multi-fan system can realize independent control through the frequency converter of one-to-one correspondence, can accurately simulate various states of blowing and blowing effects, realize the wind speed control of whole plane through wind speed survey sensor simultaneously, accomplish the feedback of blowing effects.
Thirdly, the air flow guiding device can guide the air blown out by the fans from the vortex to form direct-current air, and the wind field accelerating system can jointly control the wind speed in the test section by changing the sectional area of the ventilating duct and matching with the opening quantity and the working efficiency of the fans in the multi-fan system.
Fourth, the dynamic simulation platform can simulate the vibration state of spray boom when spraying in the field, rotary mechanism then can control the rotation angle of spray boom, and then simulate the spray state of spray boom under different crosswind states, and spray boom electric suspension then can simulate the spray state of spray boom under the not co-altitude, satisfies the requirement of different application heights.
Fifth, a rough element is paved at the bottom of the test section to simulate the surface layer condition of the field ground so as to prevent fog drops from rebounding; the crop is arranged above the coarse element, the plant row spacing is adjustable, water-sensitive paper is arranged on the leaf surface of the crop, the water-sensitive paper is used for measuring the deposition condition and drift of fog drops on a target, and a collection dish is arranged on the ground, and is used for measuring the deposition of the fog drops on the ground.
Drawings
Fig. 1 is a schematic structural diagram of a field droplet drift simulation test device of the invention.
Fig. 2 is a schematic structural diagram of a dynamic simulation platform and a drift loss acquisition system of the field droplet drift simulation test device.
Fig. 3 is a schematic structural diagram of a spray system of the field droplet drift simulation test device of the invention.
Fig. 4 is a schematic structural diagram of a multiple fan system of the field droplet drift simulation test device of the present invention.
Legend description: 1. a multi-fan system; 2. a flow guiding device; 3. a wind field acceleration system; 4. a wind speed measurement sensor; 5. a test section; 6. a frequency converter group; 7. an industrial personal computer; 8. a spraying system; 9. a guide rail; 10. a dynamic simulation platform; 11. a spray rod mounting base plate; 12. a boom electric suspension; 13. a spray bar; 14. a rotation mechanism; 15. a driving motor; 16. a wind field setting system; 17. a rough element on the bottom surface; 18. a guide rail slide block; 19. collecting a dish; 20. a crop; 21. a water sensitive paper; 23. Vibration simulation device.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments.
Simulation test device is dribbled in field, characterized by: the intelligent air conditioner comprises a multi-fan system 1, wherein the multi-fan system 1 is formed by closely arranging a plurality of independent fans, the independent fans are distributed in a square array, a fan air outlet side of the multi-fan system 1 is provided with a wind field setting system 16, a flow guiding device 2 is arranged in the wind field setting system 16, the air outlet side of the wind field setting system 16 is provided with a wind field accelerating system 3, the air outlet side of the wind field accelerating system 3 is provided with a test section 5, the joint of the test section 5 and the wind field accelerating system 3 is provided with a wind speed measuring sensor 4, the wind speed measuring sensor 4 is in signal connection with a signal input end of an industrial personal computer 7, the signal output end of the industrial personal computer 7 is used for controlling the multi-fan system 1 through a frequency converter group 6, the number of frequency converters in the frequency converter group 6 is the same as that of the fans in the multi-fan system 1, and the frequency converters in the frequency converter group 6 are in one-to-one correspondence with the fans in the multi-fan system 1 in the signal control process;
the intelligent testing device is characterized in that a spray boom dynamic simulation platform is arranged above the inside of the test section 5, a drift acquisition system is arranged below the test section, the spray boom dynamic simulation platform comprises a horizontal guide rail 9 arranged in the center of the inside upper side of the test section 5, the guide rail 9 is perpendicular to the air outlet face of the multi-fan system 1, a dynamic simulation platform 10 is arranged below the guide rail 9, a spraying system 8 is fixedly arranged below the dynamic simulation platform 10, the dynamic simulation platform 10 can drive the spraying system 8 to freely slide along the guide rail 9, the dynamic simulation platform 10 can control the vibration state and the spraying angle of the spraying system 8, the spraying system 8 can control the spraying height, the dynamic simulation platform 10 and the spraying system 8 are both in signal connection with a working condition machine 7, and the working condition machine 7 controls the working conditions of the dynamic simulation platform 10 and the spraying system 8;
the drift acquisition system comprises a bottom surface rough element 17 paved on the bottom surface inside the test section 5, crops 20 with adjustable plant spacing and row spacing are paved on the upper surface of the bottom surface rough element 17, water-sensitive paper 21 is paved on the surface of blades of the crops 20, and acquisition dishes 19 are arranged on the upper surface of the bottom surface rough element 17 between adjacent crops 20.
In this embodiment, the dynamic simulation platform 10 is fixed on the lower surface of the guide rail slider 18, the guide rail slider 18 is embedded in the guide rail 9, the dynamic simulation platform 10 includes a vibration simulation device 23, the lower part of the vibration simulation device 23 is connected with the spray rod mounting base plate 11 through the rotating mechanism 14, and the lower part of the spray rod mounting base plate 11 is connected with the spray rod 13 through the spray rod electric suspension 12.
In this embodiment, the guide rail slider 18 is in transmission connection with the driving motor 15, and the driving motor 15 can drive the guide rail slider 18 to slide along the direction of the guide rail 9.
In this embodiment, the vibration simulation device 23 is composed of a plurality of electric pushrods, the electric pushrods are in signal control connection with the working condition machine 7, and the working condition machine 7 realizes vibration simulation by controlling the telescopic state of the electric pushrods.
In this embodiment, the dynamic simulation platform 10 includes a top plate and a bottom plate, the vibration simulation device 23 is installed between the top plate and the bottom plate, the top plate is fixedly connected with the guide rail slider 18, and the rotation mechanism 14 is installed at the central position of the bottom plate.
In this embodiment, a plurality of spray bars 13 parallel to each other are fixedly installed below the electric boom suspension 12, the spray bars 13 are provided with a plurality of nozzles, the distances between adjacent spray bars 13 are the same, the distances between adjacent spray bars are the same, and the spray bars 13 parallel to each other are located on the same horizontal plane.
In this embodiment, the flow guiding device 2 is formed by arranging a plurality of flow guiding plates in array, and the wind speed measuring sensor 4 is formed by arranging and combining a plurality of wind speed sensor arrays.
In this embodiment, the wind field acceleration system 3 is made of a ventilation duct with a variable cross-sectional area.
In this embodiment, be provided with temperature control device and humidity control device in the test section 5, temperature and humidity when pesticide sprays in the time of can controlling the experiment further ensure the precision of variable control.
In this embodiment, the field actual wind field data is stored in the industrial personal computer 7, the required field wind speed is input through the operation interface of the industrial personal computer 7, the frequency of a single frequency converter in the frequency converter group 6 is controlled, the rotating speed of each fan in the multi-fan system 1 is further controlled, the wind speed of each point is further measured through the wind speed measuring sensor 4, and the wind speed is compared with the field actual wind field data stored in the industrial personal computer 7 to form closed loop control, so that the effect of simulating the actual field wind speed is finally achieved.
In this embodiment, the field actual road spectrum is stored in the industrial personal computer 7, and road spectrums under different running states are input through an operation interface of the industrial personal computer 7, so that the boom dynamic simulation platform 10 is controlled to advance along the guide rail 9 at different speeds, and meanwhile, the plurality of electric push rods on the vibration simulation device 23 vibrate at different amplitudes and angles, and the effect of simulating the field actual running vibration condition is finally achieved through the combination of the simulated road condition and the running speed.
In the embodiment, the actual wind field data of different fields are collected on site through special equipment in the actual scenes of different fields; the actual field actual road surface spectrum is measured on site by special equipment in different field actual scenes.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (5)
1. Simulation test device is dribbled in field, characterized by: the system comprises a multi-fan system (1), wherein the multi-fan system (1) is formed by closely arranging a plurality of independent fans, the independent fans are distributed in a square array, a fan air outlet side of the multi-fan system (1) is provided with a wind field setting system (16), a flow guiding device (2) is arranged in the wind field setting system (16), the air outlet side of the wind field setting system (16) is provided with a wind field accelerating system (3), the air outlet side of the wind field accelerating system (3) is provided with a test section (5), the joint of the test section (5) and the wind field accelerating system (3) is provided with a wind speed measuring sensor (4), the wind speed measuring sensor (4) is in signal connection with a signal input end of an industrial personal computer (7), the signal output end of the industrial personal computer (7) is used for controlling the multi-fan system (1) through a frequency converter group (6), the number of frequency converters in the frequency converter group (6) is the same as that of the frequency converters in the multi-fan system (1), and the frequency converters in the frequency converter group (6) are in signal control with the fan system (1;
the intelligent automatic spraying device is characterized in that a spray boom dynamic simulation platform is arranged above the inside of the test section (5), a drift acquisition system is arranged below the test section, the spray boom dynamic simulation platform comprises a horizontal guide rail (9) arranged at the central position above the inside of the test section (5), the guide rail (9) is perpendicular to the air outlet face of the multi-fan system (1), a dynamic simulation platform (10) is arranged below the guide rail (9), a spraying system (8) is fixedly arranged below the dynamic simulation platform (10), the dynamic simulation platform (10) can drive the spraying system (8) to freely slide along the guide rail (9), the dynamic simulation platform (10) can control the vibration state and the spraying angle of the spraying system (8), the spraying system (8) can control the spraying height, the dynamic simulation platform (10) and the spraying system (8) are both connected with an industrial personal computer (7) through signals, and the industrial personal computer (7) controls the working states of the dynamic simulation platform (10) and the spraying system (8).
The drift acquisition system comprises a bottom surface rough element (17) paved on the bottom surface inside the test section (5), crops (20) with adjustable plant spacing and row spacing are paved on the upper surface of the bottom surface rough element (17), water-sensitive paper (21) is paved on the surface of each blade of the crops (20), and acquisition dishes (19) are arranged on the upper surface of the bottom surface rough element (17) between adjacent crops (20);
the dynamic simulation platform (10) is fixed on the lower surface of a guide rail sliding block (18), the guide rail sliding block (18) is embedded in a guide rail (9), the dynamic simulation platform (10) comprises a vibration simulation device (23), the lower part of the vibration simulation device (23) is connected with a spray rod mounting bottom plate (11) through a rotating mechanism (14), and the lower part of the spray rod mounting bottom plate (11) is connected with a spray rod (13) through a spray rod electric suspension (12);
the guide rail sliding block (18) is in transmission connection with the driving motor (15), and the driving motor (15) can drive the guide rail sliding block (18) to slide along the direction of the guide rail (9);
the utility model provides a boom electric suspension (12) below fixed mounting have a plurality of spray bars (13) that are parallel to each other, spray bars (13) on be provided with a plurality of nozzle, adjacent distance between spray bars (13) the same, adjacent distance between the nozzle the same, a plurality of spray bars (13) that are parallel to each other be located same horizontal plane.
2. The field droplet drift simulation test device of claim 1, wherein: the vibration simulation device (23) is composed of a plurality of electric push rods, the electric push rods are in signal control connection with the industrial personal computer (7), and the industrial personal computer (7) realizes vibration simulation by controlling the telescopic state of the electric push rods.
3. The field droplet drift simulation test device of claim 2, wherein: the dynamic simulation platform (10) comprises a top plate and a bottom plate, the vibration simulation device (23) is installed between the top plate and the bottom plate, the top plate is fixedly connected with the guide rail sliding block (18), and the rotating mechanism (14) is installed at the central position of the bottom plate.
4. The field droplet drift simulation test device of claim 1, wherein: the air guide device (2) is formed by arranging a plurality of air guide plate arrays, and the air speed measuring sensor (4) is formed by arranging and combining a plurality of air speed sensor arrays.
5. The field droplet drift simulation test device of claim 1, wherein: the wind field accelerating system (3) is made of a ventilating duct with a variable sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336595.6A CN108279108B (en) | 2018-04-16 | 2018-04-16 | Simulation test device for field fogdrop drift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336595.6A CN108279108B (en) | 2018-04-16 | 2018-04-16 | Simulation test device for field fogdrop drift |
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| Publication Number | Publication Date |
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| CN108279108A CN108279108A (en) | 2018-07-13 |
| CN108279108B true CN108279108B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810336595.6A Active CN108279108B (en) | 2018-04-16 | 2018-04-16 | Simulation test device for field fogdrop drift |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944814A (en) * | 2019-02-13 | 2019-06-28 | 江苏大学 | Blast system is used in a kind of test of plant protection spraying machine tool float of mist droplet |
| CN111044247A (en) * | 2019-11-29 | 2020-04-21 | 北京农业智能装备技术研究中心 | Pesticide fog droplet drift testing arrangement |
| CN111442898A (en) * | 2020-05-29 | 2020-07-24 | 大连理工大学 | Small and medium-sized low-speed wind tunnel test device for testing pesticide fog drop space operation characteristics and drift deposition |
| CN115436008A (en) * | 2022-10-20 | 2022-12-06 | 国网甘肃省电力公司电力科学研究院 | Device and method for simulating low-altitude rapid flow pulsating wind field |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424276A (en) * | 2013-08-09 | 2013-12-04 | 北京农业信息技术研究中心 | Platform device and method for testing variable pesticide spraying by remote control aircraft |
| CN103454112A (en) * | 2013-09-29 | 2013-12-18 | 山东农业大学 | Device and method for testing deposition amount of variable-size fogdrop space |
| CN104596755A (en) * | 2015-01-29 | 2015-05-06 | 农业部南京农业机械化研究所 | Spray drift performance testing device |
| CN104614150A (en) * | 2015-01-30 | 2015-05-13 | 农业部南京农业机械化研究所 | Indoor simulation testing platform and method for two-phase flow field of spraying of plant protection unmanned aerial vehicle |
| CN105699108A (en) * | 2016-03-16 | 2016-06-22 | 农业部南京农业机械化研究所 | Field spraying drift detection method and droplet receiving device |
| CN105973623A (en) * | 2016-05-03 | 2016-09-28 | 山东科技大学 | Person working environment occupational safety and health index system simulation test bench |
| WO2018045636A1 (en) * | 2016-09-06 | 2018-03-15 | 数字鹰科技盐城有限公司 | Precise spray system for crops |
| CN208109376U (en) * | 2018-04-16 | 2018-11-16 | 农业部南京农业机械化研究所 | Field float of mist droplet simulating test device |
-
2018
- 2018-04-16 CN CN201810336595.6A patent/CN108279108B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424276A (en) * | 2013-08-09 | 2013-12-04 | 北京农业信息技术研究中心 | Platform device and method for testing variable pesticide spraying by remote control aircraft |
| CN103454112A (en) * | 2013-09-29 | 2013-12-18 | 山东农业大学 | Device and method for testing deposition amount of variable-size fogdrop space |
| CN104596755A (en) * | 2015-01-29 | 2015-05-06 | 农业部南京农业机械化研究所 | Spray drift performance testing device |
| CN104614150A (en) * | 2015-01-30 | 2015-05-13 | 农业部南京农业机械化研究所 | Indoor simulation testing platform and method for two-phase flow field of spraying of plant protection unmanned aerial vehicle |
| CN105699108A (en) * | 2016-03-16 | 2016-06-22 | 农业部南京农业机械化研究所 | Field spraying drift detection method and droplet receiving device |
| CN105973623A (en) * | 2016-05-03 | 2016-09-28 | 山东科技大学 | Person working environment occupational safety and health index system simulation test bench |
| WO2018045636A1 (en) * | 2016-09-06 | 2018-03-15 | 数字鹰科技盐城有限公司 | Precise spray system for crops |
| CN208109376U (en) * | 2018-04-16 | 2018-11-16 | 农业部南京农业机械化研究所 | Field float of mist droplet simulating test device |
Non-Patent Citations (2)
| Title |
|---|
| 基于农田环境因子模拟农药雾滴飘移特性;龚艳;张晓;王果;陈晓;;江苏农业科学(第11期);全文 * |
| 风幕式喷杆喷雾雾滴特性与飘移性能试验;贾卫东;闻志勇;燕明德;欧鸣雄;陈志刚;董祥;;农机化研究(第04期);全文 * |
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