CN107764578A - Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus and its control method - Google Patents
Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus and its control method Download PDFInfo
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- CN107764578A CN107764578A CN201711173573.4A CN201711173573A CN107764578A CN 107764578 A CN107764578 A CN 107764578A CN 201711173573 A CN201711173573 A CN 201711173573A CN 107764578 A CN107764578 A CN 107764578A
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 11
- 241000446313 Lamella Species 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- 239000012982 microporous membrane Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000003595 mist Substances 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005534 hematocrit Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007921 spray 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
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- General Physics & Mathematics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
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Abstract
The invention discloses a kind of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, including：Fixed support, it is tower structure, for fixing rotor wing unmanned aerial vehicle；Multiple cup type negative pressure product droplet devices, it is arranged on below the fixed support, including：Droplet adaptor；Hone lamella, it is the supporting plate with multiple circular holes, is arranged on the droplet adaptor bottom；Waterproof ventilated membrane, it is coated at the top of the hone lamella；Blower fan, it is arranged on below the hone lamella；Wherein, the cup type negative pressure product droplet device composition circle or square array, also disclose a kind of control method of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus.
Description
Technical field
The present invention relates to plant protection unmanned plane field, more particularly to a kind of rotor plant protection unmanned plane pulverability testing stand negative pressure
Air intake device and a kind of control method of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus.
Background technology
At present, gyroplane is emerging plant protection apparatus, because gyroplane pushes wind field penetration of droplets power is strengthened, but
It is due to wind field caused by gyroplane so that traditional pulverability testing stand can not meet the measure of homogeneity of spray distribution.
Because gyroplane is dropped in square cup type mist amount adaptor or V or U-shaped product mist groove in the mist of testing stand can produce ground effect, make
Obtaining part droplet can change with air motion track, and test result is difficult to reflect actual mist droplet deposition distribution.
The content of the invention
The present invention has designed and developed a kind of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus and mitigated emphatically
With avoid gyroplane square cup type mist amount adaptor or V-arrangement product mist groove caused by ground effect.
The present invention has also designed and developed a kind of control of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus
Method, by correcting rotation speed of fan so that test result is closer to droplet actual distribution.
Technical scheme provided by the invention is：
Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, including：
Fixed support, it is tower structure, for fixing rotor wing unmanned aerial vehicle；
Multiple cup type negative pressure product droplet devices, it is arranged on below the fixed support, the cup type negative pressure product droplet dress
Put, including：
Droplet adaptor；
Hone lamella, it is the supporting plate with multiple circular holes, is arranged on the droplet adaptor bottom；
Waterproof ventilated membrane, it is coated at the top of the hone lamella；
Blower fan, it is arranged on below the hone lamella；
Wherein, the cup type negative pressure product droplet device composition circle or square array.
Preferably, the droplet adaptor is the cylindrical tube or square column type cylinder of upper and lower ends opening.
Preferably, in addition to air channel, it is arranged between the blower fan and the hone lamella.
Preferably, the hone lamella is arranged on described air channel one end by rubber washer, to increase device air-tightness.
Preferably, the waterproof ventilated membrane is polysiloxane film.
Preferably, in addition to air velocity transducer, it is arranged at the top of the cup type negative pressure product droplet device.
Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, including：
Fixed support, it is tower structure, for fixing rotor wing unmanned aerial vehicle；
Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, including：
Fixed support, it is tower structure, for fixing rotor wing unmanned aerial vehicle；
V-shaped groove skeleton, its top surface is multiple continuous V or U-type groove, and has multiple ventilative circular holes, and top has waterproof saturating
Air film,
Multiple air channel units, it is supported on below the V-arrangement skeleton；
Multiple blower fans, it is arranged on the air channel bottom；
Wherein, the multiple air channel unit composition square array.
Preferably, in addition to air velocity transducer, it is arranged at the top of V or the U-lag skeleton, the air channel unit
Surface.
Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus control method, including：
Open rotor and protect unmanned plane, carry out spraying operation, rotor rotating speed is vx；
Air velocity transducer detection correspondence position wind speed vy, the droplet weight that is collected into of weighing sensor detection correspondence position
Miz, wherein, i=1,2 ... a；Z=1,2 ... b；A accumulates droplet device quantity for laterally cup type negative pressure, and b accumulates mist for the cup type negative pressure in longitudinal direction
Drip apparatus quantity；
Blower fan is opened, with rotating speed vfRotate, the rotation speed of fan is vf=-vy, to eliminate the ground effect that rotor protects unmanned plane
It should influence.
Preferably, in addition to：Rotation speed of fan is corrected, updating formula is：
Wherein, Q1The droplet weight being collected into for the cup type negative pressure product droplet device of Z files is summed,Q2
To be summed to the i-th droplet weight that laterally cup type negative pressure product droplet device is collected into,σ is that cup type negative pressure accumulates mist
The variance for the droplet weight data that drip apparatus is collected into.
Beneficial effects of the present invention
The present invention has designed and developed a kind of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus and mitigated emphatically
With avoid gyroplane square cup type mist amount adaptor or V or U-shaped product mist groove caused by ground effect.One kind is also designed and developed
The control method of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, by correcting rotation speed of fan so that test
As a result closer to droplet actual distribution.Using matrix form air speed measuring apparatus, what measuring instrument can describe gyroplane pushes wind field；
By by the data transfer that matrix form air speed measuring apparatus is tested to controller, passing through each negative-pressure air fan of operation control matrix form
Revolution, and then control suction air volume.
Brief description of the drawings
Fig. 1 is the structural representation of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus of the present invention
Figure.
Fig. 2 is the structural representation that cup type negative pressure of the present invention accumulates droplet device.
Fig. 3 is the structural representation of droplet adaptor of the present invention.
Fig. 4 is mplifying structure schematic diagram of the droplet of the present invention into adaptor.
Fig. 5 is the structural representation of hone lamella of the present invention.
Fig. 6 is another embodiment of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus of the present invention
Structural representation.
Fig. 7 is that negative pressure of the present invention accumulates another example structure schematic diagram of droplet device.
Fig. 8 is the structural representation of V-shaped groove skeleton of the present invention.
Fig. 9 is air channel cellular construction schematic diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figure 1, wing plant protection unmanned plane pulverability experiment negative pressure air draft apparatus provided by the invention, including：It is fixed
Support 110, rotor plant protection unmanned plane 120 and multiple cup type negative pressure product droplet devices 130.
As shown in Figure 2-5, fixed support 110, it is tower structure, for fixing rotor wing unmanned aerial vehicle；It is multiple cup type negative
Hematocrit droplet device 130 is arranged on below the fixed support, cup type negative pressure product droplet device 130, including：Droplet adaptor
131；Hone lamella 132, it is the supporting plate with multiple circular holes, is arranged on the droplet adaptor bottom；Waterproof ventilated membrane, it is wrapped
Overlay on the top of hone lamella 132；Blower fan is arranged on the lower section of hone lamella 132；Wherein, cup type negative pressure product droplet device 130 forms circular or side
Shape array.
As a preferred embodiment, droplet adaptor 131 is the cylindrical tube or square column type cylinder of upper and lower ends opening.
In another embodiment, in addition to air channel 133 is arranged between blower fan 136 and hone lamella 132, air velocity transducer 134
It is arranged at the top of cup type negative pressure product droplet device.
As shown in figure 4, hone lamella 132 is arranged on air channel one end by rubber washer 137, to increase device air-tightness.As
A kind of preferred, waterproof ventilated membrane selects polysiloxane film.
As shown in figures 5-9, in another embodiment, rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus,
Including：Fixed support 210 is tower structure, for fixing rotor wing unmanned aerial vehicle；V or U-lag skeleton 220, its top surface are multiple
Continuous V or U-type groove, and with ventilative circular hole, top has waterproof ventilated membrane；Multiple air channel units 230, it is supported on the V
Below shape skeleton；Multiple blower fans, it is arranged on air channel bottom；Wherein, the multiple air channel unit composition square array, wind speed pass
Sensor 240, it is arranged at the top of the V-shaped groove skeleton, and the horizontal spacing of two neighboring air velocity transducer is 8-15cm, between longitudinal direction
Away from for 8-15cm.
Rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus control method, including：
Open rotor and protect unmanned plane, carry out spraying operation, rotor rotating speed is vx；
Air velocity transducer detection correspondence position wind speed vy, the droplet weight that is collected into of weighing sensor detection correspondence position
Miz, wherein, i=1,2 ... a；Z=1,2 ... b；A accumulates droplet device quantity for laterally cup type negative pressure, and b accumulates mist for the cup type negative pressure in longitudinal direction
Drip apparatus quantity；
Blower fan is opened, with rotating speed vfRotate, the rotation speed of fan is vf=-vy, to eliminate the ground effect that rotor protects unmanned plane
It should influence.
Preferably, in addition to：Rotation speed of fan is corrected, updating formula is：
Wherein, Q1The droplet weight being collected into for the cup type negative pressure product droplet device of Z files is summed,Q2
To be summed to the i-th droplet weight that laterally cup type negative pressure product droplet device is collected into,σ is that cup type negative pressure accumulates mist
The variance for the droplet weight data that drip apparatus is collected into.
The present invention has designed and developed a kind of rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus and mitigated emphatically
With avoid gyroplane square cup type mist amount adaptor or V-arrangement product mist groove caused by ground effect.A kind of rotation is also designed and developed
The control method of wing plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, by correcting rotation speed of fan so that test knot
Fruit is closer to droplet actual distribution.Using matrix form air speed measuring apparatus, what measuring instrument can describe gyroplane pushes wind field；It is logical
Cross the data transfer that matrix form air speed measuring apparatus is tested to controller, pass through turning for each negative-pressure air fan of operation control matrix form
Number, and then control suction air volume.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (10)
1. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, it is characterised in that including：
Fixed support, it is tower structure, for fixing rotor wing unmanned aerial vehicle；
Multiple cup type negative pressure product droplet devices, it is arranged on below the fixed support, the cup type negative pressure product droplet device, bag
Include：
Droplet adaptor；
Hone lamella, it is the supporting plate with multiple circular holes, is arranged on the droplet adaptor bottom；
Waterproof ventilated membrane, it is coated at the top of the hone lamella；
Blower fan, it is arranged on below the hone lamella；
Wherein, the cup type negative pressure product droplet device composition circle or square array.
2. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus according to claim 1, it is characterised in that
The droplet adaptor is the cylindrical tube or square column type cylinder of upper and lower ends opening.
3. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus according to claim 1 or 2, its feature exist
In, in addition to air channel, it is arranged between the blower fan and the hone lamella.
4. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus according to claim 3, it is characterised in that
The hone lamella is arranged on described air channel one end by rubber washer, to increase device air-tightness.
5. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus according to claim 1, it is characterised in that
The waterproof ventilated membrane is that polytetrafluoroethylene (PTFE) is the microporous membrane that raw material is formed through expanded stretching.
6. the rotor plant protection unmanned plane pulverability testing stand negative-pressure air-suction dress according to any one of claim 1-2,4-5
Put, it is characterised in that also including air velocity transducer, it is arranged at the top of the cup type negative pressure product droplet device.
7. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus, it is characterised in that including：
Fixed support, it is tower structure, for fixing rotor wing unmanned aerial vehicle；
V-shaped groove skeleton, its top surface is multiple continuous V or U-type groove, and has multiple ventilative circular holes, and top has waterproof ventilated membrane,
Multiple air channel units, it is supported on below the V-arrangement skeleton；
Multiple blower fans, it is arranged on the air channel bottom；
Wherein, the multiple air channel unit composition square array.
8. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus according to claim 7, it is characterised in that
Also include air velocity transducer, it is arranged at the top of V or the U-lag skeleton, the surface of the air channel unit.
9. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus control method, it is characterised in that including：
Open rotor and protect unmanned plane, carry out spraying operation, rotor rotating speed is vx；
Air velocity transducer detection correspondence position wind speed vy, the droplet weight M that is collected into of weighing sensor detection correspondence positioniz, its
In, i=1,2 ... a；Z=1,2 ... b；A accumulates droplet device quantity for laterally cup type negative pressure, and b accumulates droplet dress for the cup type negative pressure in longitudinal direction
Put quantity；
Blower fan is opened, with rotating speed vfRotate, the rotation speed of fan is vf=-vy, to eliminate the ground effect shadow that rotor protects unmanned plane
Ring.
10. rotor plant protection unmanned plane pulverability testing stand negative pressure air draft apparatus control method according to claim 9, its
It is characterised by, in addition to：Rotation speed of fan is corrected, updating formula is：
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Wherein, Q1The droplet weight being collected into for the cup type negative pressure product droplet device of Z files is summed,Q2To be right
The i-th droplet weight summation that laterally cup type negative pressure product droplet device is collected into,σ is that cup type negative pressure accumulates droplet dress
Put the variance for the droplet weight data being collected into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711173573.4A CN107764578B (en) | 2017-11-22 | 2017-11-22 | Negative pressure air suction device of rotor wing plant protection unmanned aerial vehicle spray performance test bed and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711173573.4A CN107764578B (en) | 2017-11-22 | 2017-11-22 | Negative pressure air suction device of rotor wing plant protection unmanned aerial vehicle spray performance test bed and control method thereof |
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| CN107764578A true CN107764578A (en) | 2018-03-06 |
| CN107764578B CN107764578B (en) | 2024-03-29 |
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ID=61279425
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Cited By (3)
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| CN108562521A (en) * | 2018-06-27 | 2018-09-21 | 河南农业大学 | Plant protection drone pulverability Detecting data |
| CN109813521A (en) * | 2019-01-28 | 2019-05-28 | 河南农业大学 | A kind of plant protection drone wind field detection device |
| CN110836841A (en) * | 2019-11-28 | 2020-02-25 | 河南农业大学 | Gantry crane type plant protection unmanned aerial vehicle fog drop test bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108562521A (en) * | 2018-06-27 | 2018-09-21 | 河南农业大学 | Plant protection drone pulverability Detecting data |
| CN108562521B (en) * | 2018-06-27 | 2024-04-26 | 河南农业大学 | Plant protection unmanned aerial vehicle spraying performance detection test bed |
| CN109813521A (en) * | 2019-01-28 | 2019-05-28 | 河南农业大学 | A kind of plant protection drone wind field detection device |
| CN109813521B (en) * | 2019-01-28 | 2024-04-05 | 河南农业大学 | Plant protection unmanned aerial vehicle wind field detection device |
| CN110836841A (en) * | 2019-11-28 | 2020-02-25 | 河南农业大学 | Gantry crane type plant protection unmanned aerial vehicle fog drop test bench |
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| CN107764578B (en) | 2024-03-29 |
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