CN109937992A - A kind of spray effect visual detecting system and method - Google Patents
A kind of spray effect visual detecting system and method Download PDFInfo
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- CN109937992A CN109937992A CN201910111552.2A CN201910111552A CN109937992A CN 109937992 A CN109937992 A CN 109937992A CN 201910111552 A CN201910111552 A CN 201910111552A CN 109937992 A CN109937992 A CN 109937992A
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- 239000007921 spray Substances 0.000 title claims abstract description 177
- 230000000694 effects Effects 0.000 title claims abstract description 42
- 230000000007 visual effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 72
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000003595 mist Substances 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000012800 visualization Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 12
- 238000011156 evaluation Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 238000013401 experimental design Methods 0.000 description 1
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Abstract
The invention belongs to agricultural aviation spray application field, it is related to a kind of spray effect visual detecting system and method.System includes: spray head hydraulic system, blower, laser particle analyzer and two-dimensional infrared laser radar etc.;The method is summarized as follows: spray head etc. is adjusted to position to be measured;Start spray head hydraulic system, obtains mist droplet particle size distribution with laser particle analyzer;With two-dimensional infrared laser radar scanning mist field, Pcnten-1 yne-4 is detected;Nozzle position is adjusted, aobvious different cross section mist droplet particle size distribution is surveyed;It adjusts laser particle analyzer and aobvious mist field overall distribution and three-dimensional model is surveyed by the lifting of two-dimensional infrared laser radar to initial position;Pressure, sprinkler height and wind speed are adjusted, realizes the mist droplet particle size under different condition and the distribution detection of mist field solid.The present invention realizes: to detection of the spray field in the case where three kinds of factors act on, detection error is small, easy to operate, has repeatability, the spraying effect evaluation of the environment and complex conditions weaker particularly suitable for light intensity.
Description
Technical field
The invention belongs to agricultural aviation spray application field more particularly to a kind of spray effect visual detecting system and sides
Method.
Background technique
Spray head is that crops are administered most common method by spraying, is attached to crop surface using mist droplet deposition, reaches prevention and treatment
Effect.But in spray process, the drift of pesticide droplet can have an impact target crop and surrounding enviroment, can also reduce and spray
Effect.Therefore, accurate evaluation spray head spray effect, show the spatial distribution of spraying droplet, be agricultural spray application application technology
Necessary basis support.
Multinomial research has been begun with both at home and abroad, Fluid Mechanics Computation is one of method, but since spray process is sprayed
Technical parameter (such as spraying distance, spray head model, atomisation pressure, blower wind speed) and outside environmental elements (wind speed, wind direction, air
Temperature and relative humidity) reciprocation, and environmental factor is uncontrollable, therefore simulation of the computational fluid dynamics to spray process
Simulation result still needs to be verified with other detection techniques;The deposition method of inversion is also one of most common method, using filter paper,
Water sensitive paper, droplet acquire the materials such as frame and test tube, in conjunction with reactor solution, collect and survey droplet content and carry out deposition inverting,
To extrapolate the spatial distribution of droplet in entire spray process, but the test process of this method and data processing are many and diverse, and
Processing result relies on image scanning effect, is easy to cause measurement result inaccurate.High speed camera rule is shot using high speed camera
Entire spray process, and the distribution situation of droplet is analyzed using corresponding image processing techniques and algorithm, but high speed camera
Higher cost, and the effect shot is illuminated by the light and is affected, the accuracy rate of image analysis software is also still to be improved.
Although being still within the independent utility stage in addition, above-mentioned several method is more common, not yet consider to spray
Spraying effect of the head under a variety of different factor interactions carries out overall merit.Therefore, invent a kind of pair of spray head spraying effect into
The method of row comprehensive detection promotes the repeatability of spray head spraying effect comprehensive detection to spraying time is saved, and has great meaning
Justice.
Summary of the invention
In order to realize that the spraying effect to spray head carries out comprehensive detection and evaluation, the space ruler of spray head spray field is obtained
The parameters such as degree, particle diameter distribution and uniformity, the invention proposes a kind of spray effect visual detecting system and method, specific skills
Art scheme is as follows:
A kind of spray effect visual detecting system, comprising: laser hoistable platform 1, laser particle analyzer carrying platform 2,
Spray head goes up and down testing jig 3, spray head hydraulic system, several blowers 4, pedestal 5, face battle array laser 7, two-dimensional infrared laser radar 8, spray
First 9, laser particle analyzer 10, single-chip microcontroller (slave computer), several motor drivers and computer (host computer);
The spray head 9 is installed on spray head lifting testing jig 3;
The nozzle of the spray head 9 is downward;
The spray head lifting testing jig 3 is used for: lifting spray head 9;
The spray head hydraulic system is connect with spray head 9, is used for: testing liquid is transmitted in spray head 9, is sprayed, shape
At spray field;
The face battle array laser 7 and two-dimensional infrared laser radar 8 are installed on laser hoistable platform 1, and face battle array
Laser 7 and two-dimensional infrared laser radar 8 are located at the spray field side;
The laser hoistable platform 1 is used for: lifting face battle array laser 7 and two-dimensional infrared laser radar 8;
The face battle array laser 7 is used for: being irradiated visible laser to the spray field section detected, is highlighted section position
The Two dimensional Distribution with droplet in section is set, intuitive, clearly effect of visualization is reached;
The laser particle analyzer 10 is installed on laser particle analyzer carrying platform 2;
The laser particle analyzer carrying platform 2 is located on pedestal 5, and connect with pedestal 5;
The laser particle analyzer carrying platform 2 is used for: the position of laser particle analyzer 10 is adjusted, to scan spray field;
Several blowers 4 are movably installed on pedestal 5, are used for: Xiang Suoshu spray field blowing, environmental test wind because
Element;
The blower 4 includes: blower motor;
The single-chip microcontroller is carried as control core by motor driver and laser hoistable platform 1, laser particle analyzer
Platform 2, spray head lifting testing jig 3, blower motor connection;
The single-chip microcontroller is connect by relay with spray head hydraulic system;
The single-chip microcontroller is connect with computer;
The computer is connect with two-dimensional infrared laser radar 8, laser particle analyzer 10;
The computer is used for: display visualization interface, the interface as human-computer interaction;Pass through chip microcontroller: 1. face
The lifting of battle array laser 7 and two-dimensional infrared laser radar 8;2. the lifting of spray head 9;3. the position of laser particle analyzer 10 is mobile;④
Adjust the wind speed of blower 4;5. the start and stop of spray head hydraulic system and pressure are adjusted.
Based on the above technical solution, the laser hoistable platform 1 includes: laser support plate 11, laser
Hoistable platform motor 12, ball screw linear mould group 1, support rod 17 and sliding block two;
The support rod 17 is vertically arranged on pedestal 5;
The ball screw linear mould group 1 is installed on 17 side of support rod, and threaded portion lower end and laser lifting are flat
Platform motor 12 connects;
The laser hoistable platform motor 12 is installed on pedestal 5;
The single-chip microcontroller is connect by motor driver with laser hoistable platform motor 12;
The sliding block two cooperated with its threaded portion is equipped in the ball screw linear mould group 1;
The laser support plate 11 is made of level board and vertical plate, to roll over shape;
The vertical plate is fixedly connected with sliding block two;
The face battle array laser 7 and two-dimensional infrared laser radar 8 are installed on the level board;
When laser hoistable platform motor 12 operates, the threaded portion rotation of ball screw linear mould group 1 is driven, it is sliding
Block two carry out vertical lifting movement, and then drive laser support plate 11 carry out vertical lifting movement, realize face battle array laser 7 with
The vertical lifting of two-dimensional infrared laser radar 8.
Based on the above technical solution, the spray head lifting testing jig 3 includes: elevating lever 13, sliding block 1, spray head
Lifting motor 15 and ball screw linear mould group 2 18;
The ball screw linear mould group 2 18 is vertically arranged on pedestal 5;
The spray head lifting motor 15 is installed on 2 18 bottom side of ball screw linear mould group, and and ball screw linear
The threaded portion of mould group 2 18 connects;
The single-chip microcontroller is connect by motor driver with spray head lifting motor 15;
The sliding block 1 and the threaded portion of ball screw linear mould group 2 18 cooperate;
One end of the elevating lever 13 is fixedly connected with sliding block 1, and the other end is fixedly connected with spray head 9;
When spray head lifting motor 15 operates, the threaded portion rotation of ball screw linear mould group 2 18, sliding block 1 are driven
Vertical lifting movement is carried out, and then elevating lever 13 carries out vertical lifting movement, realizes the vertical lifting of spray head 9.
Based on the above technical solution, the elevating lever 13 and support rod 17 are made using industrial aluminum profile.
Based on the above technical solution, the spray head hydraulic system includes: water tank 19, hydraulic pump 20, pressure reducing valve
21 and digital water pressure gauge 22;
The water tank 19 is used for: containing testing liquid;
One end of the hydraulic pump 20 obtains testing liquid by hydraulic tube from water tank 19, and the other end passes through hydraulic tube
It is connect with one end of pressure reducing valve 21;
The other end of the pressure reducing valve 21 is connect by hydraulic tube with spray head 9;
Digital water pressure gauge 22 is equipped on the hydraulic tube that pressure reducing valve 21 is connect with spray head 9;
The single-chip microcontroller is connect by relay with hydraulic pump 20;
When hydraulic pump 20 operates, testing liquid passes sequentially through hydraulic pump 20 from water tank 19 and pressure reducing valve 21 is transmitted to
Spray head 9.
Based on the above technical solution, the pedestal 5 includes: that arc-shaped guide rail (arc track) 6, several straight lines are led
Rail, ball screw linear mould group 3 23, SBR guide rail 24 and laser particle analyzer carrying platform motor;
The ball screw linear mould group 3 23 is arranged in parallel with SBR guide rail 24;
The lower section of the laser particle analyzer carrying platform 2 is threadedly engaged with ball screw linear mould group 3 23, laser particle size
Instrument carrying platform 2 is located at 24 top of SBR guide rail, and slides on SBR guide rail 24;
Arc-shaped guide rail 6 and several linear guides are equipped on the edge of the pedestal 5;
Several linear guides are sequentially connected end to end with arc-shaped guide rail 6, form closed orbit;
The laser particle analyzer carrying platform motor is connect with the threaded portion of ball screw linear mould group 3 23;
The single-chip microcontroller is connect by motor driver with laser particle analyzer carrying platform motor;
When the operating of laser particle analyzer carrying platform motor, the threaded portion rotation of ball screw linear mould group 3 23 is driven,
Laser particle analyzer carrying platform 2 is moved along SBR guide rail 24, and then adjusts the position of laser particle analyzer 10.
Based on the above technical solution, dismountable blower 4 is installed on the arc-shaped guide rail 6, is led in straight line
Also installation is equipped with dismountable blower 4 on rail;
The arc-shaped guide rail 6 is detachable, and several linear guides are foldable, to reduce the land occupation face in non-testing time
Product.
Based on the above technical solution, the single-chip microcontroller is 2560 single-chip microcontroller of Arduino Mega;The single-chip microcontroller
It is connect using serial port with computer;The computer is connect using Ethernet with two-dimensional infrared laser radar 8;
The spray effect visual detecting system further include: hinge 25, several linear guides are connected by hinge 25
It connects, is used for: folding several linear guides.
Based on the above technical solution, the type of the spray head 9 includes: agricultural machinery spray head and aviation spray head.
A kind of spray effect visible detection method, using above-mentioned spray effect visual detecting system, including following step
It is rapid:
S1, spray head 9 is gone up and down to a certain height, is generated with facilitating by the spray field of appearance;And by 10 He of laser particle analyzer
Two-dimensional infrared laser radar 8 is adjusted to around a certain section to be measured of spray field, and as initial position;
S2, laser particle analyzer 10 scan that section to be measured is primary, obtain the environmental background in the section to be measured;
S3, starting spray head hydraulic system, spray head 9 spray testing liquid, form spray field;It is surveyed using laser particle analyzer 10
Examination obtains the mist droplet particle size distribution in section to be measured;Meanwhile it being scanned using face battle array laser 7 and two-dimensional infrared laser radar 8 to be measured
The spray field in section, detects the Pcnten-1 yne-4 in section to be measured, and by the position in section to be measured it is synchronous with Pcnten-1 yne-4 after, calculating
Mist droplet particle size distribution that is intuitive on machine, being highlighted section to be measured and Pcnten-1 yne-4;
S4, the position for adjusting two-dimensional infrared laser radar 8 and spray head 9 repeat step S1 and step S3, obtain in spray field
The mist droplet particle size of different cross section is distributed and Pcnten-1 yne-4, and the mist droplet particle size distribution of simultaneous display different cross section on computers with
Pcnten-1 yne-4;
S5, control laser particle analyzer 10 to initial position, by the vertical reciprocal fortune for controlling two-dimensional infrared laser radar 8
It is dynamic, measure the overall distribution and three-dimensional model of simultaneously simultaneous display spray field;
S6, hydraulic pump 20 is controlled by single-chip microcontroller, adjusts outlet pressure of the spray head 9 at nozzle;Adjust the height of spray head 9
Position and revolving speed with blower 4 repeat step S1, step S3- step S5, realize under different condition, to the droplet of different cross section
The detection of particle diameter distribution, Pcnten-1 yne-4 and spray field overall distribution and three-dimensional model;
S7, spray head hydraulic system is closed, spray head 9, two-dimensional infrared laser radar 8, laser particle analyzer 10 and blower 4 have returned to
Beginning position.
Advantageous effects of the invention are as follows:
The present invention, with detection technique field, asks difficult point existing for spray head spray effect overall merit for agricultural application
Topic proposes that technical solution is solved;Herein described technical solution can be detected and be obtained under the conditions of less testing time
Take the multinomial sprinkling index of spray head 9, comprising: mist droplet particle size distribution, deposit uniformity, spraying swath and three-dimensional model of spray field etc.;
In the detection process can Pcnten-1 yne-4 situation in the position and detection sectional plane of simultaneous display detection sectional plane, avoid in tradition
Method is existing during detecting: equipment is subjective arbitrarily to put and the problems such as to neutral difference, has good intuitive and clear
Clear property;Height-adjustable due to wind speed, nozzle outlet pressure and spray head 9, the present invention is more in line with the simulation to actual job
Detection demand;Since the laser particle analyzer 10, face battle array laser 7, two-dimensional infrared laser radar 8 are to the sensitivity of ambient light
Spend low therefore weaker the present invention is especially suitable for light intensity spray head mist field detecting environment.Technical solution of the present invention degree of integration
Height, easy to operate, accuracy is high, excellent in the performance evaluation and parameter of complex condition suitable for agricultural machinery spray head or aviation spray head
In the adjustment test of change.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is spray effect visible detection method flow diagram;
Fig. 2 is structural schematic diagram of the spray effect visual detecting system in detecting state;
Fig. 3 is structural schematic diagram of the spray effect visual detecting system in non-detection status;
Fig. 4 is the structural schematic diagram of laser hoistable platform 1;
Fig. 5 is the structural schematic diagram that spray head goes up and down testing jig 3;
Fig. 6 is the theory structure schematic diagram of spray head hydraulic system;
Fig. 7 is kinematic system component connection relationship schematic block diagram;
Fig. 8 is the X-direction droplet frequency distribution histogram under low-pressure;
Fig. 9 is the three-dimensional point cloud distribution map under low-pressure;
Figure 10 is the X-direction droplet frequency distribution histogram under high pressure;
Figure 11 is the three-dimensional point cloud distribution map under high pressure.
Appended drawing reference:
1. laser hoistable platform, 2. laser particle analyzer carrying platforms, 3. spray heads lifting testing jig, 4. blowers, 5. pedestals,
6. arc-shaped guide rail, 7. faces battle array laser, 8. two-dimensional infrared laser radars, 9. spray heads, 10. laser particle analyzers, the support of 11. lasers
Plate, 12. laser hoistable platform motors, 13. elevating levers, 14. sliding blocks, 15. spray head lifting motors, 16. ball screw linear moulds
Group one, 17. support rods, 18. ball screw linear mould groups two, 19. water tanks, 20. hydraulic pumps, 21. pressure reducing valves, 22. digital water
Press table, 23. ball screw linear mould groups three, 24.SBR guide rail, 25. hinges.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is further explained.
Fig. 1 is the workflow schematic diagram of spray effect visible detection method of the present invention.Fig. 2-Fig. 3 illustrates spraying
The structural schematic diagram of effect visual detecting system, wherein Fig. 2 is structural schematic diagram of the system in detecting state, and Fig. 3 is spray
Structural schematic diagram of the fog effect visual detecting system in non-detection status, section components are daily to reduce after disassembling
Occupied area.The spray effect visual detecting system further include: hinge 25, several linear guides are connected by hinge 25,
For: fold several linear guides.
The structural representation of laser hoistable platform 1 is as shown in figure 4, utilize support rod 17, ball screw linear mould group 1
With laser support plate 11 etc., laser hoistable platform 1 is built.Face battle array laser 7 and the installation of two-dimensional infrared laser radar 8 are set
In the lifting in laser support plate 11, realizing face battle array laser 7 and two-dimensional infrared laser radar 8.
Spray head goes up and down the structural representation of testing jig 3 as shown in figure 5, making elevating lever 13 using industrial aluminum profile, passes through cunning
Block 1 is connected with ball screw linear mould group 2 18, realizes the lifting of spray head 9.
The theory structure of spray head hydraulic system is illustrated as shown in fig. 6, using water tank 19, hydraulic tube, hydraulic pump 20, decompression
Valve 21 and digital water pressure gauge 22, build the adjustable spray head hydraulic system of outlet pressure at 9 nozzle of spray head, realize to spray head 9
Spraying parameter detection under the conditions of different pressures.
Fig. 7 illustrates kinematic system component connection relationship schematic block diagram, (the next using Arduino Mega2560 single-chip microcontroller
Machine) it is used as kinematic system core, and the interaction with computer (host computer) is realized using serial port;Computer use with
Too net realizes the communication with two-dimensional infrared laser radar 8 and computer;Human-computer interaction is realized using the visualization interface of host computer,
Realize hydraulic pump 20 start and stop and pressure adjusting, the lifting of two-dimensional infrared laser radar 8, the lifting of spray head 9, blower 4 revolving speed
Adjust the displacement etc. with laser particle analyzer carrying platform 2.
As shown below, it is the verification experimental verification to process as described above to the example that spray field carries out droplet scanning.
Test objective: whether each section of verifying effectiveness of the invention, detection spray effect visual detecting system transports
Row is good.
Experimental design: it is carried out with reference to the operating procedure of Fig. 1, specifically tests process are as follows:
(1) laser particle analyzer 10 is moved to spray field section to be measured on spray head lifting testing jig 3 by stationary nozzle 9
Suitable position (around the lower section of spray head 9), and adjust the Laser emission end of laser particle analyzer and the spacing at laser pick-off end
To suitable distance;Face battle array laser 7 and the installation of two-dimensional infrared laser radar 8 are placed on laser hoistable platform 1;
(2) laser particle analyzer 10 scans that section to be measured is primary, obtains the environmental background in the section to be measured;Start spray head liquid
Pressure system, after field to be sprayed is stablized, run-down, the mist droplet particle size for obtaining the section to be measured are distributed laser particle analyzer 10 again;
(3) laser particle analyzer 10 is removed from the lower section of spray head 9;Control plane battle array laser 7 and two-dimensional infrared laser radar 8
Vertical direction moves back and forth 2 times, records the droplet data of different moments, different spatial, handles data;Wherein scheme
8 be droplet in the frequency distribution histogram (i.e. X-direction droplet frequency distribution histogram) of X-direction, and Fig. 9 is three-dimensional point cloud distribution
Figure, wherein the Z-direction moving distance of signal two-dimensional infrared laser radar 8 is represented using Z-direction traveling time (ms), here, two dimension is red
The lifting speed of outer laser radar 8 is at the uniform velocity, i.e., by the lifting speed of Z-direction traveling time (ms) and two-dimensional infrared laser radar 8
It is multiplied, then obtains the actual range of Z-direction.
(4) increase nozzle outlet pressure 1 time of spray head 9, repeat step (1)-step (3), acquisition increases under pressure condition
Pcnten-1 yne-4 data, data are handled.Figure 10 is frequency distribution histogram of the droplet after increasing pressure in X-direction
(i.e. X-direction droplet frequency distribution histogram), Figure 11 are the three-dimensional point cloud distribution map increased after pressure, wherein mobile using Z-direction
Time (ms) represents the Z-direction moving distance of signal two-dimensional infrared laser radar 8, here, the lifting speed of two-dimensional infrared laser radar 8
Degree is at the uniform velocity, i.e., Z-direction traveling time (ms) to be multiplied with the lifting speed of two-dimensional infrared laser radar 8, then obtain the reality of Z-direction
Distance.
It is shown by test result it is found that mist droplet particle size, deposition uniformity, spray head section are sprayed with herein described method
Width, point cloud distributed in three dimensions situation show clearly, can successfully obtain detecting required index.
The embodiment of the present invention is given for the purpose of illustration and description, and is not to send out without any omission or by this
It is bright to be limited to disclosed form.Many modifications are obvious for the ordinary skill in the art.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of spray effect visual detecting system characterized by comprising laser hoistable platform (1), laser particle analyzer
Carrying platform (2), spray head lifting testing jig (3), spray head hydraulic system, several blowers (4), pedestal (5), face battle array laser (7),
Two-dimensional infrared laser radar (8), spray head (9), laser particle analyzer (10), single-chip microcontroller, several motor drivers and computer;
The spray head (9) is installed in spray head lifting testing jig (3);
The nozzle of the spray head (9) is downward;
Spray head lifting testing jig (3) is used for: lifting spray head (9);
The spray head hydraulic system is connect with spray head (9), is used for: testing liquid being transmitted in spray head (9), is sprayed, shape
At spray field;
The face battle array laser (7) and two-dimensional infrared laser radar (8) is installed on laser hoistable platform (1), and the face
Battle array laser (7) and two-dimensional infrared laser radar (8) is located at the spray field side;
The laser hoistable platform (1) is used for: lifting face battle array laser (7) and two-dimensional infrared laser radar (8);
The face battle array laser (7) is used for: irradiating visible laser to the spray field section detected, is highlighted sectional position
With the Two dimensional Distribution of droplet in section;
The laser particle analyzer (10) is installed on laser particle analyzer carrying platform (2);
The laser particle analyzer carrying platform (2) is located on pedestal (5), and connect with pedestal (5);
The laser particle analyzer carrying platform (2) is used for: the position of laser particle analyzer (10) is adjusted, to scan spray field;
Several blowers (4) are movably installed on pedestal (5), are used for: Xiang Suoshu spray field blowing, environmental test wind because
Element;
The blower (4) includes: blower motor;
The single-chip microcontroller passes through motor driver and laser hoistable platform (1), laser particle analyzer carrying platform (2), spray head liter
Testing jig (3), blower motor connection are dropped;
The single-chip microcontroller is connect by relay with spray head hydraulic system;
The single-chip microcontroller is connect with computer;
The computer is connect with two-dimensional infrared laser radar (8), laser particle analyzer (10);
The computer is used for: display visualization interface, the interface as human-computer interaction;Pass through chip microcontroller: 1. face battle array swashs
The lifting of light device (7) and two-dimensional infrared laser radar (8);2. the lifting of spray head (9);3. the position of laser particle analyzer (10) is moved
It is dynamic;4. adjusting the wind speed of blower (4);5. the start and stop of spray head hydraulic system and pressure are adjusted.
2. spray effect visual detecting system as described in claim 1, it is characterised in that: the laser hoistable platform
It (1) include: laser support plate (11), laser hoistable platform motor (12), ball screw linear mould group one (16), support rod
(17) and sliding block two;
The support rod (17) is vertically arranged on pedestal (5);
The ball screw linear mould group one (16) is installed on support rod (17) side, and threaded portion lower end and laser lifting are flat
Platform motor (12) connection;
The laser hoistable platform motor (12) is installed on pedestal (5);
The single-chip microcontroller is connect by motor driver with laser hoistable platform motor (12);
The sliding block two cooperated with its threaded portion is equipped on the ball screw linear mould group one (16);
The laser support plate (11) is made of level board and vertical plate, to roll over shape;
The vertical plate is fixedly connected with sliding block two;
The face battle array laser (7) and two-dimensional infrared laser radar (8) is installed on the level board.
3. spray effect visual detecting system as claimed in claim 2, it is characterised in that: the spray head goes up and down testing jig
It (3) include: elevating lever (13), sliding block one (14), spray head lifting motor (15) and ball screw linear mould group two (18);
The ball screw linear mould group two (18) is vertically arranged on pedestal (5);
The spray head lifting motor (15) is installed on two (18) bottom side of ball screw linear mould group, and and ball screw linear
The threaded portion of mould group two (18) connects;
The single-chip microcontroller is connect by motor driver with spray head lifting motor (15);
The threaded portion of the sliding block one (14) and ball screw linear mould group two (18) cooperates;
One end of the elevating lever (13) is fixedly connected with sliding block one (14), and the other end is fixedly connected with spray head (9).
4. spray effect visual detecting system as claimed in claim 3, it is characterised in that: the elevating lever (13) and support
Bar (17) is made using industrial aluminum profile.
5. spray effect visual detecting system as described in claim 1, it is characterised in that: the spray head hydraulic system packet
It includes: water tank (19), hydraulic pump (20), pressure reducing valve (21) and digital water pressure gauge (22);
The water tank (19) is used for: containing testing liquid;
One end of the hydraulic pump (20) obtains testing liquid by hydraulic tube from water tank (19), and the other end passes through hydraulic tube
It is connect with one end of pressure reducing valve (21);
The other end of the pressure reducing valve (21) is connect by hydraulic tube with spray head (9);
Digital water pressure gauge (22) is equipped on the hydraulic tube that pressure reducing valve (21) is connect with spray head (9);
The single-chip microcontroller is connect by relay with hydraulic pump (20).
6. spray effect visual detecting system as described in claim 1, it is characterised in that: the spray head hydraulic system packet
Include: the pedestal (5) includes: arc-shaped guide rail (6), several linear guides, ball screw linear mould group three (23), SBR guide rail
(24) and laser particle analyzer carrying platform motor;
The ball screw linear mould group three (23) is arranged in parallel with SBR guide rail (24);
The lower section of the laser particle analyzer carrying platform (2) is threadedly engaged with ball screw linear mould group three (23), laser particle size
Instrument carrying platform (2) is located above SBR guide rail (24), and slides on SBR guide rail (24);
Arc-shaped guide rail (6) and several linear guides are equipped on the edge of the pedestal (5);
Several linear guides are sequentially connected end to end with arc-shaped guide rail (6), form closed orbit;
The laser particle analyzer carrying platform motor is connect with the threaded portion of ball screw linear mould group three (23);
The single-chip microcontroller is connect by motor driver with laser particle analyzer carrying platform motor.
7. spray effect visual detecting system as claimed in claim 6, it is characterised in that: on the arc-shaped guide rail (6)
Dismountable blower (4) are installed, also installation is equipped with dismountable blower (4) in linear guide;
Detachably, several linear guides are foldable for the arc-shaped guide rail (6).
8. spray effect visual detecting system as claimed in claim 7, it is characterised in that: the single-chip microcontroller is Arduino
2560 single-chip microcontroller of Mega;The single-chip microcontroller is connect using serial port with computer;The computer using Ethernet with
Two-dimensional infrared laser radar (8) connection;
The spray effect visual detecting system further include: hinge (25), several linear guides are connected by hinge (25)
It connects.
9. spray effect visual detecting system as described in claim 1, it is characterised in that: the type packet of the spray head (9)
It includes: agricultural machinery spray head and aviation spray head.
10. a kind of spray effect visible detection method, can using spray effect described in claim 1-9 any claim
Depending on changing detection system, which comprises the following steps:
S1, spray head (9) are gone up and down to a certain height, is generated with facilitating by the spray field of appearance;And by laser particle analyzer (10) and
Two-dimensional infrared laser radar (8) is adjusted to around a certain section to be measured of spray field, and as initial position;
S2, laser particle analyzer (10) scanning section to be measured are primary, obtain the environmental background in the section to be measured;
S3, starting spray head hydraulic system, spray head (9) spray testing liquid, form spray field;It is surveyed using laser particle analyzer (10)
Examination obtains the mist droplet particle size distribution in section to be measured;Meanwhile it being scanned using face battle array laser (7) and two-dimensional infrared laser radar (8)
The spray field in section to be measured, detects the Pcnten-1 yne-4 in section to be measured, and by the position in section to be measured it is synchronous with Pcnten-1 yne-4 after,
Mist droplet particle size distribution that is intuitive on computer, being highlighted section to be measured and Pcnten-1 yne-4;
S4, the position for adjusting two-dimensional infrared laser radar (8) and spray head (9) repeat step S1 and step S3, obtain in spray field
The mist droplet particle size of different cross section is distributed and Pcnten-1 yne-4, and the mist droplet particle size distribution of simultaneous display different cross section on computers with
Pcnten-1 yne-4;
S5, control laser particle analyzer (10) to initial position, by the vertical reciprocal fortune for controlling two-dimensional infrared laser radar (8)
It is dynamic, measure the overall distribution and three-dimensional model of simultaneously simultaneous display spray field;
S6, hydraulic pump (20) are controlled by single-chip microcontroller, adjusts the outlet pressure of spray head (9) at nozzle;Adjust the height of spray head (9)
Position and the revolving speed of degree and blower (4) repeat step S1, step S3- step S5, realize under different condition, to different cross section
Mist droplet particle size distribution, the detection of Pcnten-1 yne-4 and spray field overall distribution and three-dimensional model;
S7, spray head hydraulic system is closed, spray head (9), two-dimensional infrared laser radar (8), laser particle analyzer (10) and blower (4) return
To initial position.
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