CN107985628A - The simulation of wind device that wind resistance detects in a kind of agricultural unmanned plane room - Google Patents
The simulation of wind device that wind resistance detects in a kind of agricultural unmanned plane room Download PDFInfo
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- CN107985628A CN107985628A CN201711329336.2A CN201711329336A CN107985628A CN 107985628 A CN107985628 A CN 107985628A CN 201711329336 A CN201711329336 A CN 201711329336A CN 107985628 A CN107985628 A CN 107985628A
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- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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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
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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Abstract
The invention discloses the simulation of wind device that wind resistance in a kind of agricultural unmanned plane room detects, including wind field device and lifting gear；Wind field device includes more Fans and covers on the horizontal wind direction regulating member of wind turbine air side and vertical wind direction regulating member；Lifting gear carries the wind field device, and movably adjusts the height of the wind field device in vertical direction.The present invention realizes the natural wind simulated indoors under different scenes.The device can form a wind field, by adjusting the wind regime outside wind field wind speed, wind direction and high and low position simulating chamber under different scenes, meet the wind resistance for detecting unmanned plane indoors, and spray performance of the detection unmanned plane under different wind regime.
Description
Technical field
The present invention relates to the simulation of wind device that wind resistance in a kind of agricultural unmanned plane room detects.
Background technology
Can one of most important performance of unmanned plane be exactly self-stability, be in the environment of unmanned plane has wind in the external world, keep
Enough hoverning stabilities, existing wind tunnel test mode cost is higher, the powerless purchase of fractional unit.And wind-tunnel can not be complete
Detection of the full up foot to agricultural unmanned plane performance.
Agricultural unmanned plane the interference from different directions, different wind speed and winds can often occur when carrying out spray work.
Agricultural unmanned plane spray experiment only carries out not meeting actual demand indoors at present, also can not be to all even if outdoor experiment
Wind regime is tested, and making experiment, there are limitation.
Therefore in agricultural unmanned plane spray performance detection in the market, it is badly in need of a kind of cheap, easy to operate and can reaches
Simulate the device of different wind regime.And the present invention can meet the market demand.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming the prior art, there is provided are resisted in a kind of agricultural unmanned plane room
The simulation of wind device of wind detection, cost is low, easy to operate, and can reach the different wind regime of simulation.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
The simulation of wind device that wind resistance detects in a kind of agricultural unmanned plane room, it is characterised in that including wind field device and lifting
Device；
Wind field device includes more Fans and covers on the horizontal wind direction regulating member of wind turbine air side and vertical wind direction regulating member；
Lifting gear carries the wind field device, and movably adjusts the height of the wind field device in vertical direction.
The wind turbine is 7, wherein 6 Fans are arranged in regular hexagon, 1 typhoon is placed again at the center of regular hexagon
Machine.
Horizontal wind direction regulating member includes horizontal wind deflector, motor, vertical center web and horizontal rotating shaft；
Each horizontal wind deflector is connected on vertical center web by a horizontal rotating shaft respectively；
When the horizontal wind deflector drives rotation by motor, the bottom on all horizontal wind deflectors is driven through horizontal rotating shaft
It is dynamic.
Vertical wind direction regulating member includes vertical wind deflector, motor, horizontal connecting plate, vertical axis of rotation；
Each vertical wind deflector is connected on horizontal connecting plate by a vertical axis of rotation respectively；
When the vertical wind deflector drives rotation by motor, all vertical wind deflectors or so pendulum is driven through vertical axis of rotation
It is dynamic.
Lifting gear includes motor, synchronous belt, screw and supporting plate；
The wind field device is fixed on supporting plate；The supporting plate screw thread is movably connected on the screw；
The both ends of the synchronous belt are around on the screw, when the synchronous belt is rotated by motor driving, drive screw
Rotate.
Further include the synchronizing wheel of an adjusting tightness of synchronous belt state.
The rotating speed of the wind turbine is changed by the frequency of frequency converter change alternating current, adjusts wind speed.
The frequency converter is controlled by PLC.
Motor is controlled by PLC through motor driver.
The beneficial effect that the present invention is reached：
The design discloses the simulation of wind device that wind resistance detects in a kind of agricultural unmanned plane room, realizes that simulation is different indoors
Natural wind under scene.The device can form a wind field, by adjusting outside wind field wind speed, wind direction and high and low position simulating chamber
Wind regime under different scenes, meets the wind resistance for detecting unmanned plane indoors, and detection unmanned plane is under different wind regime
Spray performance.The design has the features such as easy to operate, cost is low, wide adaptability.
Brief description of the drawings
Fig. 1 is the overall structure figure of the present invention.
Fig. 2 is the rack assumption diagram of the present invention（The back side）.
Fig. 3 is the wind turbine arrangement architecture figure of the present invention.
Fig. 4 is the wind deflector structure figure of the present invention（The back side）.
Fig. 4-1 is the horizontal wind deflector part-structure enlarged drawing of invention（The back side）.
Fig. 4-2 is the vertical wind deflector part-structure enlarged drawing of invention（The back side）.
Fig. 5 is the lifting device structure figure of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiments are only used for clearly illustrating the present invention
Technical solution, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As shown in Figure 1, the simulator of the present invention includes wind field device and lifting gear, frequency converter FC and driving are further included
Device D, frequency converter FC and driver D export different control signals by PLC and are controlled according to demand.
PLC, frequency converter FC and driver D are installed on the card slot in electrical box E, then with stop nut electrical box E
It is fixed on the stent H of the present apparatus.For the ease of heat dissipation, electrical box E is fixed on the rear side of stent H, as shown in Figure 2.The present apparatus
Stent use angle aluminum profile extrusion, which can gentlier meet the intensity and hardness needed for device, and convenient connection and fixed.
The signal that frequency converter FC can be exported according to PLC, perform corresponding instruction, changes by varying the frequency of alternating current
The rotating speed of wind turbine DF1-DF7（The frequency of frequency converter FC outputs is higher, and the rotating speed of wind turbine DF1-DF7 is faster）, and then adjust wind
Speed.The effect of motor driver D is that PLC signals are amplified, and then drive motor M1, M2, M3 work.Motor driver
D can also adjust startup, stopping, it can be achieved that motor M1, M2, M3 manually, and change motor M1, M2, M3 electrode sides
To, and then motor M1, M2, M3 is rotated forward or is inverted.
Wind field device includes 7 Fans DF1-DF7 and wind direction regulating member, it acts on the wind for being to provide different situations.Wind
Machine（Here the fan blade diameter 40cm set, fan air drum internal diameter 43.4cm, air duct outside diameter 47cm, the long 50cm of air duct.Wind field
Frame is 1.5m*1.5m）Arrangement mode be：6 Fans DF1-DF6 are arranged in regular hexagon, at the center of regular hexagon again
A Fans DF7 is placed, as shown in figure 3,7 Fans are linked together by stop nut.The arrangement mode makes the wind of surrounding
The distance of machine DF1-DF6 to middle wind turbine DF7 are all equal, make the wind turbine DF7 uniform forces of centre, and 6 Fans of surrounding
DF1-DF6 is also equal by the active force of other wind turbines, and such arrangement mode ensures the stability of the wind pressure of wind field.Wind turbine DF3
Respectively there is row's screw hole with wind turbine DF4, the position of screw hole is and consistent with the screwhole position on supporting plate LB at supported underneath section.
Therefore wind turbine DF3 and wind turbine DF4 are fixed on the supporting plate LB of lifting gear by screw hole with stop nut, and then make wind field with
Lifting gear is linked to be an entirety.
Wind direction regulating member includes horizontal wind direction regulating member and vertical wind direction regulating member, horizontal wind direction regulating member
Effect is to adjust wind direction up and down；The effect of vertical wind direction regulating member is to adjust left and right wind direction, and horizontal wind direction regulating member is hanging down
On the outside of straight wind direction regulating member, as shown in Figure 4.Covered in structure upwind regulating member before wind turbine, wind direction regulating member
Stent is consistent with fan air drum length, and wind turbine DF1-DF6 is fixed on one with wind direction regulating member stent with stop nut
Rise, then wind direction regulating member stent be fixed on supporting plate LB with stop nut, make wind turbine DF1-DF7, wind direction regulating member with
Supporting plate LB forms an entirety.Using, on the one hand wind direction regulating member plays fixed wind field, prevent what wind field was subjected to displacement
Effect；On the other hand the wind direction that control changes wind field is played the role of.
Horizontal wind direction regulating member includes horizontal wind deflector B1, motor M1, connecting plate C1, rotation axis R1, such as Fig. 4-1 institutes
Show.The effect of motor M1 is the rotation of controlled level wind deflector B1, when motor M1 works, drives connecting plate C1 to rotate.
Rotation axis R1 all with horizontal wind deflector B1 connecting plate C1 link together.When connecting plate C1 is rotated, horizontal wind deflector B1
All blades are swung up and down with respective rotation axis R1, and then realize swinging up and down for wind field wind direction.When motor M1 is rotated forward, water
Flat wind deflector B1 is rotated up, and makes to blow on wind direction；When motor M1 is inverted, horizontal wind deflector B1 is rotated down, and makes to blow under wind direction.
Vertical wind direction regulating member includes vertical wind deflector B2, motor M2, connecting plate C2, rotation axis R2, such as Fig. 4-2 institutes
Show.Motor M2 effects are the vertical wind deflector B2 left-right rotations of control, when motor M2 works, drive connecting plate C2 to rotate.
Rotation axis R2 all with vertical wind deflector B2 connecting plate C2 link together.When connecting plate C2 is rotated, vertical wind deflector B2
All blades swing with respective rotation axis R2, and then realize swinging for wind field wind direction.When motor M2 is rotated forward, hang down
Straight wind deflector B2 turns right, and blows the wind direction right side；When motor M2 is inverted, vertical wind deflector B2 turns left, and blows a wind direction left side.
Lifting gear include motor M3, synchronous belt S, synchronizing wheel SW, supporting plate LB, screw LS1, LS2 and polished rod PR1,
PR2, PR3, PR4, as shown in Figure 5.The effect of synchronous belt S is connection motor M3 and screw LS1, LS2, carries out power transmission；
The effect of synchronizing wheel SW is to adjust the elastic state of synchronous belt S；The effect of polished rod PR1, PR2, PR3, PR4 are that support is held in the palm with fixed
Plate LB, prevents supporting plate LB occurred levels direction displacement.The effect of supporting plate LB is carrying wind field, realizes movement of the wind field with supporting plate LB
And move.When motor M3 works, synchronous belt turn S is driven, and then drives screw LS1, LS2 to rotate, supporting plate LB is then along silk
Screw thread movement on bar LS1, LS2.Screw LS1, LS2 is driven to turn clockwise or counterclockwise by the forward or reverse of motor M3
It is dynamic, and then realize that supporting plate LB is moved up or down along the screw thread on screw LS1 and screw LS2.When motor M3 is rotated forward, support
Plate LB is moved up, and when motor M3 is inverted, supporting plate LB is moved down, and displacement distance is up to 1.5 meters.
Implementation process：
Original state：At 0.1 meter away from ground of wind field（Lowest point）, the wind-guiding face of vertical wind deflector B2 blades to the left, with wind field into
90 ° of angles.Vertically downward, all wind deflectors are in one line with wind field at an angle of 90 for the wind-guiding face of horizontal wind deflector B1 blades, cover
Firmly whole wind field.Frequency converter FC, driver D are closed.After startup, horizontal wind deflector B1 and vertical wind deflector B2 are at the same time
90 ° are rotated, all makes wind direction horizontal forward.
Automatic imitation natural wind（Assuming that scene：1 grade of wind speed, wind direction front, is gradually enhanced to 3 grades in 5 seconds, maintain 3 seconds
Afterwards, wind direction is changed into blowing for 60 ° from right side, and then in 3 seconds, wind direction is changed into blowing from 60 ° of left side, 60 ° of downside, while on wind field
1 meter is risen, then stops blowing）：Driver D and frequency converter FC are got into auto state, by PLC output control signals, frequency conversion
Device FC makes the frequency of wind turbine DF1-DF7 rise to f3 by f1 in 5 seconds, motor M2 is inverted after 3 seconds, is made according to control signal
The wind-guiding face of vertical wind deflector B2 blades, which turns left 30 °, to be stopped.Then in 3 seconds, motor M1, M2, M3 are rotated forward, and make level
The wind-guiding face of wind deflector B1 blades is rotated up 30 °, and the wind-guiding face of vertical wind deflector B2 blades turns right 60 °, on supporting plate LB
Rise one meter.Then by PLC output control signals, fan DF1-DF7 and motor M1, M2, M3 power supply are stopped.
Adjust manually
（1）The regulation and control of wind speed.Frequency converter FC is got into manual mode first, then selection needs to adjust wind speed on frequency converter FC
Wind turbine DF（One or more may be selected to adjust at the same time）, when operator presses the "+" button, the working power frequency of increase wind turbine DF
Rate, the increase of wind turbine DF machines rotating speed, and then wind speed increase.When release button, the working power frequency of wind turbine DF stops increase.Together
Reason, when operator presses "-" button, wind speed reduces.
（2）Upper and lower wind direction regulation and control.Driver D is got into manual mode first, when operator presses " on " button when, it is electronic
Machine M1 is rotated forward, and horizontal wind deflector B1 is rotated up along rotation axis R1, and when release button, wind deflector B1 stops operating.If behaviour
Author press always " on " button, horizontal wind deflector B1 rotates all the way up along rotation axis R1, when turn to cover whole wind field when,
Wind deflector B1 stops operating, i.e. the angle maximum that horizontal wind deflector B1 is rotated is 180 °.Similarly, press " under " button when, it is horizontal
Wind deflector B1 is rotated down along rotation axis.The up and down adjustment of wind direction is realized by two buttons of operation " on ", " under ".
（3）Left and right wind direction regulates and controls.Operating method regulates and controls with principle same level wind deflector B1.
（4）Wind field is highly regulated.Driver D is got into manual mode first, it is electronic when operator presses " height " button
Machine M3 is rotated forward, and synchronous belt S is rotated clockwise, and synchronous belt S's rotates clockwise the clockwise of drive screw LS1, LS2, and then makes
Supporting plate LB is moved up along screw LS1, LS2 screw thread, and then realizes that wind field moves up.When release button, motor M3 stops
Only work.Similarly, when pressing " low " button, wind field moves down.The height of wind field is realized by operation " height ", " low " two buttons
Degree is adjusted.
The operation principle of the design is：（1）The regulation and control of wind speed.Frequency converter is controlled by PLC, then it is electronic by Frequency Converter Control
The rotating speed of machine, and then realize the adjusting of wind speed.（2）The adjusting of wind direction.PLC exports signal, changes, directly controls through drive circuit
（Also it is manually controllable）Wind-guiding board motor works, and wind direction is changed with the rotation up and down of wind deflector；Similarly, synchronous belt is worked as
During electric motor operation, screw is rotated with motor rotation under the action of synchronous belt, and wind field can be moved down along on wire rod thread
It is dynamic, and then realize the adjusting of wind field height.
The design has the features such as easy to operate, cost is low, wide adaptability.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. the simulation of wind device that wind resistance detects in a kind of agricultural unmanned plane room, it is characterised in that including wind field device and liter
Falling unit；
Wind field device includes more Fans and covers on the horizontal wind direction regulating member of wind turbine air side and vertical wind direction regulating member；
Lifting gear carries the wind field device, and movably adjusts the height of the wind field device in vertical direction.
2. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 1, it is characterised in that institute
Wind turbine is stated as 7, wherein 6 Fans are arranged in regular hexagon, 1 Fans are placed again at the center of regular hexagon.
3. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 1, it is characterised in that water
Flat wind direction regulating member includes horizontal wind deflector, motor, vertical center web and horizontal rotating shaft；
Each horizontal wind deflector is connected on vertical center web by a horizontal rotating shaft respectively；
When the horizontal wind deflector drives rotation by motor, the bottom on all horizontal wind deflectors is driven through horizontal rotating shaft
It is dynamic.
4. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 1, it is characterised in that hang down
Straight wind direction regulating member includes vertical wind deflector, motor, horizontal connecting plate, vertical axis of rotation；
Each vertical wind deflector is connected on horizontal connecting plate by a vertical axis of rotation respectively；
When the vertical wind deflector drives rotation by motor, all vertical wind deflectors or so pendulum is driven through vertical axis of rotation
It is dynamic.
5. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 1, it is characterised in that rise
Falling unit includes motor, synchronous belt, screw and supporting plate；
The wind field device is fixed on supporting plate；The supporting plate screw thread is movably connected on the screw；
The both ends of the synchronous belt are around on the screw, when the synchronous belt is rotated by motor driving, drive screw
Rotate.
6. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 5, it is characterised in that also
Including a synchronizing wheel for adjusting tightness of synchronous belt state.
7. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 1, it is characterised in that logical
Cross frequency converter and change the frequency of alternating current to change the rotating speed of the wind turbine, adjust wind speed.
8. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 7, it is characterised in that institute
Frequency converter is stated to be controlled by PLC.
9. the simulation of wind device that wind resistance detects in agricultural unmanned plane room according to claim 1, it is characterised in that electricity
Motivation is controlled by PLC through motor driver.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159921A (en) * | 2018-09-28 | 2019-01-08 | 陈怡君 | A kind of Intelligent unattended machine production detection lifting gear |
| CN109159920A (en) * | 2018-09-21 | 2019-01-08 | 农业部南京农业机械化研究所 | More rotor unmanned aerial vehicle simulation of wind testing stands |
| CN109186925A (en) * | 2018-08-20 | 2019-01-11 | 中国飞机强度研究所 | Wind-tunnel and wind tunnel test system |
| CN109827739A (en) * | 2019-04-02 | 2019-05-31 | 重庆科技学院 | Wind tunnel test is stretched disturbing flow device |
| CN109827740A (en) * | 2019-04-02 | 2019-05-31 | 重庆科技学院 | Wind tunnel test multiple spot adjustable type disturbing flow device |
| CN109932158A (en) * | 2019-04-02 | 2019-06-25 | 重庆科技学院 | Wedge spoiler adjusts rotating device |
| CN111024355A (en) * | 2020-01-10 | 2020-04-17 | 湖南工程学院 | Wind field simulation device for southern mountainous area |
| CN111579201A (en) * | 2020-06-22 | 2020-08-25 | 吉林大学 | Variable crosswind device for automobile model fluid-solid coupling experiment and test method thereof |
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| CN114348297A (en) * | 2022-03-08 | 2022-04-15 | 中国飞机强度研究所 | High-speed fan array power system for aircraft test and design method |
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| CN109159920A (en) * | 2018-09-21 | 2019-01-08 | 农业部南京农业机械化研究所 | More rotor unmanned aerial vehicle simulation of wind testing stands |
| CN109159921A (en) * | 2018-09-28 | 2019-01-08 | 陈怡君 | A kind of Intelligent unattended machine production detection lifting gear |
| CN109827740B (en) * | 2019-04-02 | 2021-01-08 | 重庆科技学院 | Multipoint adjusting type turbulence device for wind tunnel test |
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Application publication date: 20180504 |