CN108279108A - Field float of mist droplet simulating test device - Google Patents
Field float of mist droplet simulating test device Download PDFInfo
- Publication number
- CN108279108A CN108279108A CN201810336595.6A CN201810336595A CN108279108A CN 108279108 A CN108279108 A CN 108279108A CN 201810336595 A CN201810336595 A CN 201810336595A CN 108279108 A CN108279108 A CN 108279108A
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- guide rail
- spray boom
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- fan
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 239000003595 mist Substances 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 54
- 238000005507 spraying Methods 0.000 claims abstract description 26
- 230000001133 acceleration Effects 0.000 claims abstract description 15
- 230000003746 surface roughness Effects 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000575 pesticide Substances 0.000 abstract description 6
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002344 surface layer Substances 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 present invention is field float of mist droplet simulating test device, this kind of simulating test device includes the multi-fan system being sequentially arranged, wind field adjusting system, wind field acceleration system and test section, the intersection of wind field acceleration system and test section is provided with flow field TT＆C system, gas flowfield in test section can be made consistent with the true flow field in field the control of analog machine and the acquisition of feedback data by operating mode machine, top setting and spray boom dynamic analog platform in test section, vibration of spray boom during true sprinkling can be simulated, height and survey wind effect, test section inner bottom surface is then provided with drift acquisition system, different spacings can be acquired, the deposition and drift data of droplet are sprayed under spacing in the rows.This kind of simulating test device sprays the parameters such as vibration of bar and humidity, temperature when can be by simulating wind speed, wind-force, wind direction, pesticide spraying, and then best spraying parameter when obtaining pesticide spraying.
Description
Technical field
The present invention is to be related to agricultural plantation technology field, specifically field float of mist droplet simulating test device.
Background technology
During Pesticide use, due to the influence of farm work environment, always there is a large amount of droplet that cannot effectively hit target
Mark, the droplet for not hitting target suspend in air or descend slowly and lightly to ground, pollute the environment.For this phenomenon, currently
The general method using laboratory test or field trial controls spray parameters, reduces drift, improves the utilization rate of pesticide.
Invention content
The technical problem to be solved in the present invention is to provide field float of mist droplet simulating test devices, this kind of test device can
The parameters such as vibration of bar and humidity, temperature are sprayed when by simulating wind speed, wind-force, wind direction, pesticide spraying, and then show that pesticide sprays
Best spraying parameter when spilling.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
Field float of mist droplet simulating test device, it is characterized in that：Including multi-fan system, the multi-fan system is by multiple only
Vertical fan close-packed arrays are made, and multiple separate fans are square array distribution, and the fan air side of the multi-fan system is set
It is equipped with wind field adjusting system, guiding device, the outlet air of the wind field adjusting system are provided in the wind field adjusting system
Side is provided with wind field acceleration system, and the air side of the wind field acceleration system is provided with test section, the test section and wind
The junction of field acceleration system is provided with anemometry sensor, the signal input of the anemometry sensor and industrial personal computer
End signal connects, and the signal output end of the industrial personal computer realizes signal control by frequency converter group to multi-fan system, described
Frequency converter group in frequency converter quantity it is identical as the quantity of fan in multi-fan system, the frequency converter in the frequency converter group
Have with the fan in multi-fan system and is corresponded during signal control；
The test section inner upper is provided with spray boom dynamic analog platform, and lower section is provided with drift acquisition system, described
Spray boom dynamic analog platform includes being arranged to be provided with horizontal guide rail in the middle position of test section inner upper, the guide rail
It is vertical with the outlet air surface of multi-fan system, it is provided with dynamic analog platform, the dynamic analog platform below the guide rail
Lower section is installed with spraying system, and the dynamic analog platform can drive spraying system free to slide along guide rail, institute
The dynamic analog platform stated can control the vibrational state and spray angle of spraying system, and the spraying system can control spray
Height is spilt, the dynamic analog platform and spraying system are connect with operating mode machine signal, operating mode machine control dynamic
The working condition of analog platform and spraying system；
The drift acquisition system includes the bottom surface roughness element that test section inner bottom surface is laid with, the bottom surface roughness element upper table
Face is equipped with the adjustable crop of spacing in the rows, line-spacing, and the blade surface of the crop is equipped with water sensitive paper, and the crop is adjacent
Between bottom surface roughness element upper surface be provided with acquisition ware.
To optimize foregoing invention, the concrete measure taken further includes：
The dynamic analog platform is fixed on the lower surface of guide rail slide block, and the guide rail slide block is embedded in guide rail, described
Dynamic analog platform include vibration simulator, the lower section of the vibration simulator passes through rotating mechanism and is installed with spray boom
Bottom plate connects, and is connect with spray boom by spray boom electrical suspension below the spray boom mounting base.
The guide rail slide block is sequentially connected with driving motor, and the driving motor can drive guide rail slide block along leading
It slides in the direction of rail.
The vibration simulator is made of more electric pushrods, and the electric pushrod connects with the control of operating mode machine signal
It connects, the operating mode machine realizes vibration simulation by the retracted position of control electric pushrod.
The dynamic analog platform includes top plate and bottom plate, the vibration simulator be mounted on top plate and bottom plate it
Between, the top plate is fixedly connected with guide rail slide block, and the middle position of the bottom plate is equipped with rotating mechanism.
Several spray booms being mutually parallel are installed with below the spray boom electrical suspension, are arranged on the spray boom
There are several nozzles, it is identical that the distance between the spray boom is adjacent, and it is identical that the distance between the nozzle is adjacent, described
Several spray booms being mutually parallel are located in same level.
The guiding device is by several array of baffles arrangement forms, and the anemometry sensor is by multiple wind
Fast sensor array permutation and combination is formed.
The wind field acceleration system is made of the ventilation shaft that sectional area can be changed.
What this kind of field float of mist droplet simulating test device can reach has the beneficial effect that：
First, multi-fan system can control the working condition of each fan by operating mode machine, and then realize different height, width
Blowing state, additionally it is possible to control the airflow effects such as the fluctuation velocity of blowing；
Second, the fan in multi-fan system can realize independent control by one-to-one frequency converter, being capable of accurate simulation
Various blowing states and airflow effects, while realizing that the wind speed of entire plane monitors by anemometry sensor, complete blowing
The feedback of effect.
Third, guiding device can make the gas that fan is blown out form flow-through gas, wind field acceleration system from vortex water conservancy diversion
By changing ventilating duct sectional area and the unlatching quantity of multi-fan system internal fan and working efficiency being coordinated to be realized jointly to experiment
The control of wind speed in section.
4th, dynamic analog platform can simulate vibrational state of the spray boom when field is sprayed, and rotating mechanism can then be controlled
The rotation angle of spray boom processed, and then sprinkling state of the spray boom under different crosswind states is simulated, spray boom electrical suspension then being capable of mould
The sprinkling state of spray boom, meets the requirement of different dispenser height under quasi- different height.
5th, test section bottom is equipped with roughness element, and simulation field level surface layer situation prevents droplet from rebounding；Crop cloth
It sets above roughness element, seeding row spacing is adjustable, and arranges water sensitive paper on its blade face, heavy on target for measuring droplet
Cumuliformis condition and drift, ground configuration have acquisition ware, for measure droplet ground deposition.
Description of the drawings
Fig. 1 is the structure principle chart of float of mist droplet simulating test device in field of the present invention.
Fig. 2 is the structure original of float of mist droplet simulating test device dynamic analog platform in field of the present invention and drift acquisition system
Reason figure.
Fig. 3 is the structure principle chart of float of mist droplet simulating test device spraying system in field of the present invention.
Fig. 4 is the structure principle chart of field float of mist droplet simulating test device multi-fan system of the present invention.
Marginal data：1, multi-fan system；2, guiding device；3, wind field acceleration system；4, anemometry sensor；5, it tries
Test section；6, frequency converter group；7, industrial personal computer；8, spraying system；9, guide rail；10, dynamic analog platform；11, spray boom mounting base；
12, spray boom electrical suspension；13, spray boom；14, rotating mechanism；15, driving motor；16, wind field adjusting system；17, bottom surface is coarse
Member；18, guide rail slide block；19, ware is acquired；20, crop；21, water sensitive paper；23, vibration simulator.
Specific implementation mode
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described.
Field float of mist droplet simulating test device, it is characterized in that：Including multi-fan system 1, the multi-fan system 1 by
Multiple separate fan close-packed arrays are made, and multiple separate fans are square array distribution, and the fan of the multi-fan system 1 goes out
Wind side is provided with wind field adjusting system 16, and guiding device 2 is provided in the wind field adjusting system 16, and the wind field is adjusted
The air side of system 16 is provided with wind field acceleration system 3, and the air side of the wind field acceleration system 3 is provided with test section 5, institute
The test section 5 stated and the junction of wind field acceleration system 3 are provided with anemometry sensor 4, the anemometry sensor 4
It is connect with the signal input part signal of industrial personal computer 7, the signal output end of the industrial personal computer 7 is by frequency converter group 6 to multi-fan
System 1 realizes signal control, and the frequency converter quantity in the frequency converter group 6 is identical as the quantity of fan in multi-fan system 1,
Frequency converter in the frequency converter group 6 has with the fan in multi-fan system 1 to be corresponded during signal control；
5 inner upper of test section is provided with spray boom dynamic analog platform, and lower section is provided with drift acquisition system, described
Spray boom dynamic analog platform includes being arranged to be provided with horizontal guide rail 9 in the middle position of 5 inner upper of test section, and described leads
Rail 9 is vertical with the outlet air surface of multi-fan system 1, and 9 lower section of guide rail is provided with dynamic analog platform 10, the dynamic analog
10 lower section of quasi- platform is installed with spraying system 8, and the dynamic analog platform 10 can drive spraying system 8 along guide rail
9 is free to slide, and the dynamic analog platform 10 can control the vibrational state and spray angle of spraying system 8, the spray
Mist system 8 can control spraying altitude, and the dynamic analog platform 10 and spraying system 8 are connect with 7 signal of operating mode machine,
The operating mode machine 7 controls the working condition of dynamic analog platform 10 and spraying system 8；
The drift acquisition system includes the bottom surface roughness element 17 that 5 inner bottom surface of test section is laid with, the bottom surface roughness element
17 upper surfaces are equipped with the adjustable crop 20 of spacing in the rows, line-spacing, and the blade surface of the crop 20 is equipped with water sensitive paper 21, institute
17 upper surface of bottom surface roughness element between the crop 20 stated is adjacent is provided with acquisition ware 19.
In the present embodiment, dynamic analog platform 10 is fixed on the lower surface of guide rail slide block 18, the guide rail slide block 18 edge
In guide rail 9, the dynamic analog platform 10 includes vibration simulator 23, the lower section of the vibration simulator 23
It is connect with spray boom mounting base 11 by rotating mechanism 14,11 lower section of spray boom mounting base passes through spray boom electrical suspension 12
It is connect with spray boom 13.
In the present embodiment, guide rail slide block 18 is sequentially connected with driving motor 15, and the driving motor 15, which can drive, leads
Rail sliding block 18 is slided along the direction of guide rail 9.
In the present embodiment, vibration simulator 23 is made of more electric pushrods, and the electric pushrod is believed with operating mode machine 7
Number control connection, the operating mode machine 7 pass through control electric pushrod retracted position, realize vibration simulation.
In the present embodiment, dynamic analog platform 10 includes top plate and bottom plate, and the vibration simulator 23 is mounted on top
Between plate and bottom plate, the top plate is fixedly connected with guide rail slide block 18, and the middle position of the bottom plate is equipped with whirler
Structure 14.
In the present embodiment, 12 lower section of spray boom electrical suspension is installed with several spray booms being mutually parallel 13, described
It is provided with several nozzles on spray boom 13, it is identical that the distance between the spray boom 13 is adjacent, between the nozzle is adjacent
It is located in same level apart from several identical, the described spray booms 13 being mutually parallel.
In the present embodiment, guiding device 2 is by several array of baffles arrangement forms, the anemometry sensor 4
It is formed by multiple air velocity transducer array permutation and combination.
In the present embodiment, wind field acceleration system 3 is made of the ventilation shaft that sectional area can be changed.
In the present embodiment, it is provided with temperature control equipment and humidity conditioner in test section 5, agriculture when can control experiment
Temperature and humidity when medicine sprays, further ensures that the precision of Variable Control.
In the present embodiment, 7 storage inside of industrial personal computer has the practical wind field data in field, by defeated in 7 operation interface of industrial personal computer
Enter required field wind speed, controls the frequency of single inverter in frequency converter group 6, and then control each wind turbine in multi-fan system 1
Rotating speed, further by anemometry sensor 4 measure each point wind speed, the practical wind in field with 7 storage inside of industrial personal computer
Field data is compared, and forms closed-loop control, is finally reached the effect for simulating practical field wind speed.
In the present embodiment, 7 storage inside of industrial personal computer has the practical spectrum of road surface roughness in field, by being inputted in 7 operation interface of industrial personal computer
Spectrum of road surface roughness under different transport conditions, and then control spray boom dynamic analog platform 10 can at different rates advance along guide rail 9,
More electric pushrods are vibrated with different amplitude and angle on vibration simulator 23 simultaneously, by simulating road conditions and traveling
The combination of speed is finally reached the effect of the practical walking vibration state in simulation field.
In the present embodiment, the different practical wind field data in field in different field actual scenes by passing through special equipment scene
Acquisition；The practical practical spectrum of road surface roughness in field in different field actual scenes by passing through special equipment on-site measurement.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as the protection model of invention
It encloses.
Claims (8)
1. field float of mist droplet simulating test device, it is characterized in that：Including multi-fan system（1）, the multi-fan system（1）
It is made of multiple separate fan close-packed arrays, multiple separate fans are square array distribution, the multi-fan system（1）Wind
Fan air side is provided with wind field adjusting system（16）, the wind field adjusting system（16）Inside it is provided with guiding device（2）, described
Wind field adjusting system（16）Air side be provided with wind field acceleration system（3）, the wind field acceleration system（3）Air side
It is provided with test section（5）, the test section（5）With wind field acceleration system（3）Junction be provided with anemometry sensor
（4）, the anemometry sensor（4）With industrial personal computer（7）Signal input part signal connection, the industrial personal computer（7）'s
Signal output end passes through frequency converter group（6）To multi-fan system（1）Realize signal control, the frequency converter group（6）In change
Frequency device quantity and multi-fan system（1）The quantity of middle fan is identical, the frequency converter group（6）In frequency converter and multi-fan system
System（1）In fan have signal control during correspond；
The test section（5）Inner upper is provided with spray boom dynamic analog platform, and lower section is provided with drift acquisition system, described
Spray boom dynamic analog platform include be arranged in test section（5）The middle position of inner upper is provided with horizontal guide rail（9）, institute
The guide rail stated（9）With multi-fan system（1）Vertical, the described guide rail of outlet air surface（9）Lower section is provided with dynamic analog platform
（10）, the dynamic analog platform（10）Lower section is installed with spraying system（8）, the dynamic analog platform（10）Energy
Enough drive spraying system（8）Along guide rail（9）Dynamic analog platform free to slide, described（10）Spraying system can be controlled
（8）Vibrational state and spray angle, the spraying system（8）Spraying altitude, the dynamic analog platform can be controlled
（10）And spraying system（8）With operating mode machine（7）Signal connects, the operating mode machine（7）Control dynamic analog platform（10）
And spraying system（8）Working condition；
The drift acquisition system includes test section（5）The bottom surface roughness element that inner bottom surface is laid with（17）, the bottom surface is thick
Rough member（17）Upper surface is equipped with the adjustable crop of spacing in the rows, line-spacing（20）, the crop（20）Blade surface be equipped with
Water sensitive paper（21）, the crop（20）Bottom surface roughness element between adjacent（17）Upper surface is provided with acquisition ware（19）.
2. float of mist droplet simulating test device in field according to claim 1, it is characterised in that：The dynamic analog is flat
Platform（10）It is fixed on guide rail slide block（18）Lower surface, the guide rail slide block（18）It is embedded in guide rail（9）Interior, described dynamic
Analog platform（10）Including vibration simulator（23）, the vibration simulator（23）Lower section pass through rotating mechanism（14）
With spray boom mounting base（11）Connection, the spray boom mounting base（11）Lower section passes through spray boom electrical suspension（12）With spray boom
（13）Connection.
3. float of mist droplet simulating test device in field according to claim 2, it is characterised in that：The guide rail slide block
（18）With driving motor（15）It is sequentially connected, the driving motor（15）Guide rail slide block can be driven（18）Along guide rail（9）
Direction sliding.
4. float of mist droplet simulating test device in field according to claim 2, it is characterised in that：The vibration simulation dress
It sets（23）It is made of more electric pushrods, the electric pushrod and operating mode machine（7）Signal control connection, the operating mode machine
（7）By controlling the retracted position of electric pushrod, vibration simulation is realized.
5. float of mist droplet simulating test device in field according to claim 4, it is characterised in that：The dynamic analog is flat
Platform（10）Including top plate and bottom plate, the vibration simulator（23）Between top plate and bottom plate, the top plate with
Guide rail slide block（18）It is fixedly connected, the middle position of the bottom plate is equipped with rotating mechanism（14）.
6. float of mist droplet simulating test device in field according to claim 2, it is characterised in that：The spray boom is electronic outstanding
Frame（12）Lower section is installed with several spray booms being mutually parallel（13）, the spray boom（13）On be provided with several sprays
Mouth, the spray boom（13）The distance between adjacent identical, it is identical that the distance between the nozzle is adjacent, described several
The spray boom being mutually parallel（13）In same level.
7. float of mist droplet simulating test device in field according to claim 1, it is characterised in that：The guiding device
（2）By several array of baffles arrangement forms, the anemometry sensor（4）It is arranged by multiple air velocity transducer arrays
Combination is formed.
8. float of mist droplet simulating test device in field according to claim 1, it is characterised in that：The wind field accelerates system
System（3）It is made of the ventilation shaft that sectional area can be changed.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108279108A true CN108279108A (en) | 2018-07-13 |
| CN108279108B CN108279108B (en) | 2023-12-05 |
Family
ID=62811459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810336595.6A Active CN108279108B (en) | 2018-04-16 | 2018-04-16 | Simulation test device for field fogdrop drift |
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| Country | Link |
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| CN (1) | CN108279108B (en) |
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| 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 |
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN108279108B (en) | 2023-12-05 |
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