CN205060025U - Directional sprinkler of plant protection aircraft - Google Patents
Directional sprinkler of plant protection aircraft Download PDFInfo
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- CN205060025U CN205060025U CN201520834750.9U CN201520834750U CN205060025U CN 205060025 U CN205060025 U CN 205060025U CN 201520834750 U CN201520834750 U CN 201520834750U CN 205060025 U CN205060025 U CN 205060025U
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Abstract
The utility model discloses a directional sprinkler of plant protection aircraft, include: spray the frame, it sets up in plant protection aircraft bottom to include to ally oneself with and arrange the nozzle, still include nozzle flow when upper and lower flow control piece regulation plant protection aircraft front and back inclines, flexible connecting rod, it sets up and is spraying between frame and the plant protection aircraft, comes the adjustment to spray to control inclination through controlling its flexible length, the corner motor, wherein one end of frame is being sprayed in its setting, sprays the frame around the axis rotation through controlling its rotation angle messenger, angle slope measuring apparatu, it sets up spray an intermediate position for detect plant protection aircraft incline direction and inclination, system control module, it connects angle slope measuring apparatu for flexible length of flexible connecting rod and nozzle flow are controlled to the signal of telecommunication that record inertia gyroscope detected, realize spraying the accurate regulation of angle.
Description
Technical field
The utility model relates to plant protection airplane spray field, is specifically related to the directed sprinkler of a kind of plant protection aircraft.
Background technology
Develop from world's plant protection technology, adopt plant protection airplane spray adaptable to landform, and adjustable field microclimate, one of effective ways realizing water-saving agriculture, long duration chemical prevention is from now on control crop disease, worm, the main method of grass and the plague of rats, Traditional Man plant protection operation is more and more not suitable for China's Re-search on Urbanization construction, the paces that rural laborer sharply reduces, owing to not being subject to the restriction of geographic factor and crop growing state, aviation plant protection is the development tendency of agricultural plant protection, in known technology, plant protection aircraft all adopts suspension type plant protection sprinkler at present, its sprinkler is fixed on plant protection aircraft, it sprays angle and changes with the flight attitude change of plant protection aircraft, in dispenser process, because plant protection aircraft flight attitude often changes, sprinkler cannot implement directed target dispenser, cause a large amount of drifts of agricultural chemicals drop like this, water distribution is uneven, agricultural chemicals degree of utilization is low.
Sprinkling irrigation forward Precision Irrigation future development, utilize monolithic processor controlled irrigation system, the control of sprinkling irrigation amount and simple sprinkling irrigation shape can be realized, for adaptation mountain area or wind direction are on the impact of plant protection aircraft sprinkling irrigation operation, be badly in need of a kind of sprinkler and according to flight status adjustment sprinkling irrigation direction, and can precisely regulate sprinkling irrigation flow.
Utility model content
An object of the present utility model designs and develops the directed sprinkler of a kind of plant protection aircraft, can spray angle with plant protection aspect change change.
An object of the present utility model is by angular slope survey meter, carries out Measurement accuracy to plant protection aircraft flight attitude.
The technical scheme that the utility model provides is:
The directed sprinkler of a kind of plant protection aircraft, comprising:
Spray frame, it is arranged on bottom plant protection aircraft, and arranges townhouse nozzle, and described townhouse nozzle also comprises flow regulating plate and down-off adjustment sheet, townhouse nozzle flow when tilting forward and back for regulating plant protection aircraft;
Shrinking connecting-rod, it is arranged between described sprinkling frame and plant protection aircraft, to tilt angle by controlling its collapsing length to adjust to spray frame;
Angle electrical machinery, it is arranged on and sprays frame wherein one end, by controlling its anglec of rotation, sprinkling frame is rotated about the axis; And
Angular slope survey meter, it is arranged on described sprinkling frame midway location, for detecting plant protection craft inclination direction and angle of inclination;
System control module, it connects described angular slope survey meter, the angle signal that described system module detects for receiving described angular slope survey meter, controls described shrinking connecting-rod collapsing length and described townhouse nozzle flow.
Preferably, described shrinking connecting-rod is spiral metal connecting rod.
Preferably, described shrinking connecting-rod adopts driven by servomotor.
Preferably, described upper flow regulating plate and down-off adjustment sheet are formed objects and are provided with the circular metal plate of semi-circular through hole.
Preferably, described townhouse nozzle also comprises the sleeve and male union that overlap and be buckled together, wherein down-off adjustment sheet is fixed on described male union nozzle position by outside thread, described bushing core is provided with hollow shaft, and upper flow regulating plate also can rotate around hollow shaft axis through hollow shaft.
Preferably, the anglec of rotation of described upper flow regulating plate is 0 ° ~ 180 °.
Preferably, described angular slope survey meter is inertial gyroscope.
Preferably, also comprised the fender guard that inclines, and when plant protection aircraft inclination angle is more than 25 °, closed townhouse nozzle, stop spraying operation.
Beneficial effect described in the utility model
1, the directed sprinkler of plant protection aircraft described in the utility model is when plant protection aircraft flight attitude changes, and by controlling range and the flow of townhouse nozzle, effectively prevent and spray inequality, improve liquid degree of utilization.
2, the environmental factor considered of the utility model is more comprehensive, and comprise the adjustment of aircraft flight angle four direction, and adopt speed regulative mode, accurately and timely, response time is short.
3, the directed sprinkling control device of plant protection aircraft described in the utility model, structure is simple, easy for installation, cost is lower.Can be used for various plant protection aircraft, in native system, model parameter can adjust flexibly for different situations, has widened the applicable surface of model, has had stronger marketing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the directed sprinkler of plant protection aircraft described in the utility model.
Fig. 2 is townhouse nozzle arrangements schematic diagram described in the utility model.
Fig. 3 is upper and lower flow regulating plate structural representation described in the utility model.
Fig. 4 is shrinking connecting-rod structural representation described in the utility model.
Fig. 5 is that plant protection aircraft described in the utility model orientation sprays control method diagram of circuit.
Fig. 6 is employing plant protection aircraft described in the utility model common sprinkler level land water-spraying amount distribution graph.
Fig. 7 is employing plant protection aircraft described in the utility model directed sprinkler level land water-spraying amount distribution graph.
Fig. 8 is employing plant protection aircraft described in the utility model directed sprinkler hillside fields water-spraying amount distribution graph.
Fig. 9 is the 15 ° of hillside fields water-spraying amount distributions of the directed sprinkler of employing plant protection aircraft described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification sheets word to make those skilled in the art.
As shown in Figure 1, the directed sprinkler of the plant protection aircraft that the utility model provides comprises sprinkling frame 100, angular slope survey meter 200, shrinking connecting-rod 300, system control module 400 and servomotor 500, angle electrical machinery 600.
Wherein, as shown in Figure 2, spraying frame 100 is arranged on bottom plant protection aircraft, and include multiple townhouse nozzle 110, townhouse nozzle 110 also comprises sleeve 111, hollow shaft 112, packing ring 113, upper flow regulating plate 114, down-off adjustment sheet 115, its middle sleeve 111 of male union 116 and also cap 117 overlaps with male union 116 and is buckled together, male union 116 is connected with shower nozzle standpipe, maintain static, sleeve 111 and male union 116 SMIS are provided with hollow shaft 112, upper flow regulating plate 114 is placed in sleeve 111 and male union 116 hitch junction, wherein down-off adjustment sheet 115 adopts thread connecting mode to embed male union 116 top, therefore maintain static.
As shown in Figure 3, upper flow regulating plate 114 and down-off adjustment sheet 115 such as are at the large metal disk, wherein newly be provided with half-circle locating aperture 114a and semicircle perforate 114b, during use, down-off adjustment sheet 115 transfixion, upper flow regulating plate 114 rotates around hollow shaft 112, the anglec of rotation wherein going up flow regulating plate 114 is 0 ° ~ 180 °, above fan-shaped circular hole can be produced between flow regulating plate 114 and down-off adjustment sheet 115 in rotary course, relative position between upper flow regulating plate 114 and down-off adjustment sheet 115 determines the size of fan-shaped circular hole, when upper flow regulating plate 114 and down-off adjustment sheet staggered relatively, sector-shaped aperture is closed, liquid can only flow out from hollow shaft, place when upper flow regulating plate 114 and down-off adjustment sheet 115 overlap, sector-shaped aperture is maximum, for the area of semicircle perforate 114b.
Angular slope survey meter 200, it is arranged on and sprays frame 100 midway location, for detecting plant protection craft inclination direction and angle of inclination, preferred as one, angular slope survey meter 200 adopts inertial gyroscope, can provide the signal such as orientation, level, position, speed and acceleration/accel accurately, response time is fast;
As shown in Figure 4, shrinking connecting-rod 300, is arranged between described sprinkling frame 100 and plant protection aircraft, is in the left side or right side of spraying frame, and it is provided with screw rod 310 and connects sprinkling frame 100, and screw rod 310 adopts servomotor 500 to drive.Adjust and spray frame by controlling the collapsing length of screw rod 310 and to tilt angle, when plant protection aircraft is to shrinking connecting-rod 300 inclined position, servomotor 500 drives shrinking connecting-rod 300 to shrink, when opposite side from plant protection aircraft to shrinking connecting-rod 300 position tilt time, servomotor 500 drives shrinking connecting-rod 300 to stretch;
System control module 400, its connection angle inclination measurement instrument 200, for recording the electric signal that inertial gyroscope detects, controls described shrinking connecting-rod 300 collapsing length and townhouse nozzle 110 flow.
Angle electrical machinery 600, it is arranged on and sprays frame 100 port, it is servomotor, when plant protection aircraft tilts forward and back, angular slope survey meter 200 records the angle that plant protection aircraft tilts forward and back, system control module 400 controls angle electrical machinery and rotates round about, and townhouse nozzle 110 spray angle sprayed on frame 100 is vertically downward all the time.
In another embodiment; also be provided with the fender guard that inclines; the described mistake fender guard that inclines is the shutoff valve being arranged on the public connection location of townhouse nozzle 110; when aircraft inclination angle is more than 25 °; shutoff valve is closed, and liquid no longer flows out, and prevents plant protection aircraft because disturbing or fault by wind direction; liquid flows out, and accidentally injures people and animals.
The directed sprinkler mode of operation of plant protection aircraft of the utility model confession is as follows, comprises,
S210: angular slope survey meter 200 instrumentation airplane tilt angle alpha, and by the electric signal transmission that records to system control module 400;
S220: judge craft inclination direction;
S221: when aircraft leans forward, townhouse nozzle 100 spray liquid direction tilts to plant protection airplane tail group, angle electrical machinery 600 is opened, and servomotor drives sprinkling frame 100 to rotate around its axis, and the anglec of rotation is α, make townhouse nozzle 100 spray liquid direction perpendicular to the ground, flow regulating in adjustment: 114 rotate around hollow shaft 112, upper flow regulating plate 114 diminishes, until closure state gradually with the weld access hole in the middle of down-off adjustment sheet 115, the rotative speed of upper flow regulating plate 114 is v
S222: when aircraft hypsokinesis, townhouse nozzle 100 spray liquid direction tilts to plant protection airplane tail group, angle electrical machinery 600 is opened, servomotor drives sprinkling frame 100 to rotate around its axis, the anglec of rotation is-α, and make townhouse nozzle 100 spray liquid direction perpendicular to the ground, in adjustment, flow regulating plate 114 rotates around v hollow shaft 112 with speed, upper flow regulating plate 114 becomes large, until full-gear gradually with the weld access hole in the middle of down-off adjustment sheet 115;
Wherein,
Wherein c is roughness coefficien, and unit is m
1/2/ s, R are flow regulating plate perforate radius, and unit is m, h is plant protection aircraft spraying medicine height, and unit is m, v
plfor plant protection aircraft flight speed, unit is m/s, Q is dispenser or spraying liquid volume, and unit is m
3, g is acceleration due to gravity, and unit is m/s
2, n is townhouse nozzle quantity;
When aircraft tilts, described angular slope survey meter 200 instrumentation airplane inclination angle beta, judges craft inclination direction;
S223: when aircraft deflection shrinking connecting-rod 300 side, position, servomotor 500 is opened, and drive expansion link to shrink, t stops after second;
S224: when aircraft deflection shrinking connecting-rod 300 position opposite side, servomotor 500 is opened, and drive expansion link to stretch, t stops after second;
Wherein, wherein, m is for spraying frame length, and unit is m; W is motor rotations, and unit is that n turns/s; K is expansion link pitch, and unit is mm; t
0for the response time of directed sprinkler, unit is ms; P is the direction application force of shrinking connecting-rod to servomotor, and unit is N; R is shrinking connecting-rod diameter, and unit is mm; I is the length of adapter shaft between servomotor bearing and shrinking connecting-rod, and unit is m; The modulus of shearing of adapter shaft material, unit is N/m
2; J is the cross sectional moment of inertia of adapter shaft, and unit is m
4.
Implement to be described further to adopt the directed sprinkler level land of plant protection aircraft to spray
First, angular slope survey meter 200 instrumentation airplane tilt angle alpha, and by the electric signal transmission that records to system control module 400, judge craft inclination direction;
When aircraft leans forward, townhouse nozzle 100 spray liquid direction tilts to plant protection airplane tail group, angle electrical machinery 600 is opened, servomotor drives sprinkling frame 100 to rotate around its axis, the anglec of rotation is α, make townhouse nozzle 100 spray liquid direction perpendicular to the ground, flow regulating in adjustment: 114 rotate around hollow shaft 112, upper flow regulating plate 114 diminishes gradually with the weld access hole in the middle of down-off adjustment sheet 115, until closure state, the rotative speed of upper flow regulating plate 114 is v, when aircraft hypsokinesis, townhouse nozzle 100 spray liquid direction tilts to plant protection airplane tail group, angle electrical machinery 600 is opened, servomotor drives sprinkling frame 100 to rotate around its axis, the anglec of rotation is-α, make townhouse nozzle 100 spray liquid direction perpendicular to the ground, in adjustment, flow regulating plate 114 rotates around v hollow shaft 112 with speed, upper flow regulating plate 114 becomes large gradually with the weld access hole in the middle of down-off adjustment sheet 115, until full-gear,
Finally, when aircraft tilts, described angular slope survey meter 200 instrumentation airplane inclination angle beta, judges craft inclination direction, when aircraft deflection shrinking connecting-rod 300 side, position, servomotor 500 is opened, and drive expansion link to shrink, t stops after second, when aircraft deflection shrinking connecting-rod 300 position opposite side, servomotor 500 is opened, and drive expansion link to stretch, t stops after second.
Fig. 6 is for using plant protection aircraft common sprinkler level land water-spraying amount distribution graph, as water distribution test experience is spilt on adopt plant protection aircraft orientation to spray level land that control method carries out to Fig. 7, square net is adopted to arrange precipitation gauge, gather the observed data that half sprays region, data unit in figure is mm/h, contrast can be found out and can find out, plant protection aircraft orientation is adopted to spray control method, it is oval for spraying region, over-angle inclination measurement instrument, Measurement accuracy is carried out to plant protection aircraft flight attitude, and realize the accurate adjustment of spray angle in time, flat water-spraying amount is evenly distributed, plant protection aircraft spraying medicine and spraying operation can be widely used in.
The directed sprinkler of plant protection aircraft can also be used for hillside fields and spray, hillside fields is sprayed and can be adjusted sprinkling frame 100 before activation, degree inclination measurement instrument 200 instrumentation airplane tilt angle alpha, and by the electric signal transmission that records to system control module 400, judge craft inclination direction, upward slope hillside fields regulates upper flow regulating plate 114 to rotate around v hollow shaft 112 with speed, upper flow regulating plate 114 becomes large gradually with the weld access hole in the middle of down-off adjustment sheet 115, until full-gear, descending hillside fields regulates, in adjustment, flow regulating plate 114 rotates around hollow shaft 112, upper flow regulating plate 114 diminishes gradually with the weld access hole in the middle of down-off adjustment sheet 115, until closure state, the rotative speed of upper flow regulating plate 114 is v, by angular slope survey meter 200, Measurement accuracy is carried out to plant protection aircraft flight attitude, and realize the accurate adjustment of spray angle in time, plant protection aircraft spraying medicine and spraying operation can be widely used in, as water distribution test experience is spilt on adopt plant protection aircraft orientation to spray level land that control method carries out to Fig. 8, square net is adopted to arrange precipitation gauge, gather the observed data that half sprays region, data unit in figure is mm/h, can find out, hillside fields water-spraying amount is evenly distributed.
The directed sprinkler of plant protection aircraft can be used for level land and hillside fields and sprays, and is particularly useful for mountain region plant protection operation, and practical, effective, the operating pressure at sprinkler scope that experiment obtains is 0.26 ~ 0.67MPa, flow range: 3.6 ~ 4.2m
3/ h, level land range region: 14.3 ~ 17.2m.
For simulating the water distribution of slope, graduated cylinder is highly put by 15 °, plant protection aircraft ascents and descents spraying operation, detect water distribution, as shown in Figure 9, uphill/downhill water distribution is more consistent, and upper and lower range is close for the data that experiment obtains, thus improving the homogeneity of water distribution in the sprinkling irrigation of hillside fields, in figure, water yield data unit is mm/h.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. the directed sprinkler of plant protection aircraft, is characterized in that, comprising:
Spray frame, it is arranged on bottom plant protection aircraft, and arranges townhouse nozzle, and described townhouse nozzle also comprises flow regulating plate and down-off adjustment sheet, townhouse nozzle flow when tilting forward and back for regulating plant protection aircraft;
Shrinking connecting-rod, it is arranged between described sprinkling frame and plant protection aircraft, to tilt angle by controlling its collapsing length to adjust to spray frame;
Angle electrical machinery, it is arranged on and sprays frame wherein one end, by controlling its anglec of rotation, described sprinkling frame is rotated about the axis; And
Angular slope survey meter, it is arranged on described sprinkling frame midway location, for detecting plant protection craft inclination direction and angle of inclination;
System control module, it connects described angular slope survey meter, the angle signal that described system control module detects for receiving described angular slope survey meter, controls described shrinking connecting-rod collapsing length and described townhouse nozzle flow.
2. the directed sprinkler of plant protection aircraft according to claim 1, it is characterized in that, described shrinking connecting-rod is spiral metal connecting rod.
3. the directed sprinkler of plant protection aircraft according to claim 1 and 2, it is characterized in that, described shrinking connecting-rod adopts driven by servomotor.
4. the directed sprinkler of plant protection aircraft according to claim 1, it is characterized in that, described upper flow regulating plate and down-off adjustment sheet are formed objects and are provided with the circular metal plate of semi-circular through hole.
5. the directed sprinkler of the plant protection aircraft according to claim 1 or 4, it is characterized in that, described townhouse nozzle also comprises the sleeve and male union that overlap and be buckled together, wherein down-off adjustment sheet is fixed on described male union nozzle position by outside thread, described bushing core is provided with hollow shaft, and upper flow regulating plate also can rotate around the axis of hollow shaft through hollow shaft.
6. the directed sprinkler of plant protection aircraft according to claim 5, it is characterized in that, the anglec of rotation of described upper flow regulating plate is 0 ° ~ 180 °.
7. the directed sprinkler of plant protection aircraft according to claim 1, it is characterized in that, described angular slope survey meter is inertial gyroscope.
8. the directed sprinkler of plant protection aircraft according to claim 1, is characterized in that, also comprised the fender guard that inclines, and when plant protection aircraft inclination angle is more than 25 °, closes townhouse nozzle, stops spraying operation.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105217038A (en) * | 2015-10-23 | 2016-01-06 | 吉林省农业机械研究院 | The directed sprinkler of a kind of plant protection aircraft and control method thereof |
CN107042166A (en) * | 2017-04-06 | 2017-08-15 | 珠海格力电器股份有限公司 | Control method, device and the gondola water faucet of gondola water faucet |
CN108357677A (en) * | 2018-02-02 | 2018-08-03 | 天津翰宇昊德科技发展有限公司 | The wide plant protection unmanned plane of spraying range |
-
2015
- 2015-10-23 CN CN201520834750.9U patent/CN205060025U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105217038A (en) * | 2015-10-23 | 2016-01-06 | 吉林省农业机械研究院 | The directed sprinkler of a kind of plant protection aircraft and control method thereof |
CN107042166A (en) * | 2017-04-06 | 2017-08-15 | 珠海格力电器股份有限公司 | Control method, device and the gondola water faucet of gondola water faucet |
CN108357677A (en) * | 2018-02-02 | 2018-08-03 | 天津翰宇昊德科技发展有限公司 | The wide plant protection unmanned plane of spraying range |
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Granted publication date: 20160302 Termination date: 20161023 |