CN115669317A - Vertical centrifugal guide type material sowing unmanned aerial vehicle - Google Patents

Vertical centrifugal guide type material sowing unmanned aerial vehicle Download PDF

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Publication number
CN115669317A
CN115669317A CN202211390472.3A CN202211390472A CN115669317A CN 115669317 A CN115669317 A CN 115669317A CN 202211390472 A CN202211390472 A CN 202211390472A CN 115669317 A CN115669317 A CN 115669317A
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CN
China
Prior art keywords
centrifugal
pipe
aerial vehicle
unmanned aerial
sowing
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CN202211390472.3A
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Chinese (zh)
Inventor
兰玉彬
韩金钢
宋灿灿
赵德楠
张同升
张乐春
周楠
刘俪恋
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Shandong University of Technology
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Shandong University of Technology
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Priority to CN202211390472.3A priority Critical patent/CN115669317A/en
Publication of CN115669317A publication Critical patent/CN115669317A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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Abstract

The invention discloses a vertical centrifugal guide type material sowing unmanned aerial vehicle, which comprises an unmanned aerial vehicle and a sowing mechanism; the sowing mechanism comprises a material box, a sowing pipe and a centrifugal driving mechanism; the broadcast sowing pipe comprises a broadcast sowing main pipe, a branch pipe and two secondary branch pipes, and the broadcast sowing main pipe is communicated between the material box and the branch pipe; a cylindrical centrifugal acceleration cavity is arranged on the broadcast sowing main pipe; the branch pipe is provided with two branch passages which are respectively communicated with the two secondary branch pipes; a plurality of blanking ports with downward openings are formed in the secondary branch pipe; the centrifugal driving mechanism comprises a centrifugal fan and a centrifugal driving motor, and an output shaft of the centrifugal driving motor is fixedly connected with the centrifugal fan; the centrifugal fan is arranged in the centrifugal acceleration cavity and is provided with at least three material gathering blades. This unmanned aerial vehicle is expected to broadcast to perpendicular centrifugal direction formula adopts the mode of vertical broadcasting, can accurately control the landing point direction and the position of material to fixed point just broadcasts the field neatly.

Description

Vertical centrifugal guide type material sowing unmanned aerial vehicle
Technical Field
The invention relates to an agricultural solid particle material-sowing unmanned aerial vehicle, in particular to a vertical centrifugal guide type material-sowing unmanned aerial vehicle.
Background
In the terrains such as mud and marsh, large machines are difficult to land, easily damage farmlands and self machines and are damaged. And manual seeding and fertilization have the defects of low efficiency, large labor force and low economic benefit, so that a more perfect and mature material sowing unmanned aerial vehicle is required for special terrains and the requirements of sowing seeds.
Unmanned aerial vehicle has full-automatic autonomy, intellectuality, can greatly reduce the human labor, improves economic benefits, reduces unnecessary spending. For example, the invention application with application publication No. CN114916298a discloses an agricultural unmanned aerial vehicle variable rate broadcast fertilizer apparatus which can realize variable rate broadcast fertilizer application, but has the following disadvantages:
the broadcast sowing fertilizer applying device is used for throwing the materials (seeds or fertilizers) through the broadcast sowing turntable which horizontally rotates, the falling direction and the position of the materials are difficult to control, and therefore the materials cannot be regularly sown at fixed points.
Disclosure of Invention
The invention aims to overcome the existing problems and provides a vertical centrifugal guide type material sowing unmanned aerial vehicle which adopts a vertical sowing mode and can accurately control the falling point direction and position of materials, so that the materials can be sowed regularly at fixed points.
The purpose of the invention is realized by the following technical scheme:
a vertical centrifugal guide type material sowing unmanned aerial vehicle comprises an unmanned aerial vehicle and a sowing mechanism; the sowing mechanism is mounted on the unmanned aerial vehicle and comprises a material box, a sowing pipe and a centrifugal driving mechanism;
a kick-out device for automatically kicking out the material is arranged in the material box;
the seeding pipe comprises a seeding main pipe, a branch pipe and two secondary branch pipes which are symmetrically arranged on the plane, the top of the seeding main pipe is communicated with the outlet of the material tank, and the bottom of the seeding main pipe is communicated with the branch pipe; a cylindrical centrifugal acceleration cavity is arranged on the broadcast sowing main pipe; the branch pipe is provided with two branch passages, inlets of the two branch passages are communicated with the bottom of the broadcast sowing main pipe, and a flow distribution plate is arranged between the inlets of the two branch passages; the outlets of the two bifurcation channels are respectively communicated with the two secondary branch pipes; the splitter plate is vertically arranged and is parallel to the axis of the centrifugal acceleration cavity; in vertical projection, the flow distribution plate evenly divides an acceleration outlet communicated with the centrifugal acceleration cavity into two parts; the secondary branch pipe is obliquely arranged and is provided with a plurality of blanking ports with downward openings;
the centrifugal driving mechanism comprises a centrifugal fan and a centrifugal driving motor, an output shaft of the centrifugal driving motor is fixedly connected with the centrifugal fan, and an axis of the output shaft of the centrifugal driving motor extends along the horizontal direction; the centrifugal fan is arranged in a centrifugal acceleration cavity of the broadcast sowing main pipe and is provided with at least three material gathering blades; the material gathering blade is provided with a material gathering groove.
Above-mentioned unmanned aerial vehicle is expected to broadcast to perpendicular centrifugal direction formula theory of operation does:
when the unmanned aerial vehicle is in work, a worker operates the unmanned aerial vehicle to fly above a designated operation area for hovering; the flight control system of the unmanned aerial vehicle simultaneously transmits flight instructions and working instructions to the centrifugal driving motor, and the centrifugal driving motor drives the centrifugal fan to rotate, so that the speed of the centrifugal fan reaches the rotating speed of required seeding. In the process that the centrifugal fan rotates to generate centrifugal force, the unmanned aerial vehicle starts flying along the designated operation area and the operation air line; the flight control system of the unmanned aerial vehicle transmits a broadcast signal to the kickoff, the kickoff adjusts the self rotating speed according to the broadcast amount to rotate, and materials (seeds or fertilizers) begin to be conveyed downwards under the action of the kickoff. The material enters the centrifugal accelerating cavity through the inlet of the broadcast main pipe, the material is collected by the material collecting blade of the centrifugal fan, and the material flows out from the accelerating outlet of the broadcast main pipe in the rotating process under the centrifugal force rotating in advance. The material is followed the accelerating outlet outflow back that broadcasts a main pipe, through the flow distribution plate reposition of redundant personnel, and the material divide into two strands uniformly, falls into two bifurcation passageways of bifurcation pipe, then moves in toward the secondary branch pipe. The material obtains centrifugal acceleration behind the centrifugal fan and gets into the secondary and divides the pipe, and the secondary divides the pipe to open the material mouth according to the interval that sets for in advance, and the material is divided the pipe through the secondary fast under the effect of great centrifugal acceleration, because the secondary divides to be equipped with a plurality of openings blanking mouths down on the pipe, part material flies away from the blanking mouth at the removal in-process, and remaining last partly clout divides the tail end opening of pipe to divide from the secondary and divides.
After the operation of the designated operation area is completed, the unmanned aerial vehicle navigates back under the instruction of the flight control system, the unmanned aerial vehicle navigates back to the ground, then the material supplement and the replacement of the airborne battery are carried out, the operation of the corresponding area is continued after the replacement is completed, and the operation is repeated until the operation area is completely broadcast.
In a preferred embodiment of the present invention, a limiting guide plate is fixedly disposed below the blanking port, the limiting guide plate is a semicircular tube structure, and an opening of the limiting member faces the same direction as a downward inclination direction of the secondary branch tube. Through the structure, after the material passes through the secondary pipe distribution, the specific falling direction of the material can be controlled through the limiting guide plate.
Further, the included angle range between the limiting guide plate and the secondary branch pipe is 30-90 degrees.
In a preferable embodiment of the present invention, the number of the blanking ports on the secondary branch pipe is 5 to 8;
the size of the blanking port on the secondary branch pipe is 2.0-5.0 cm, and the size of the tail end outlet of the secondary branch pipe is 2.0-5.0 cm.
According to a preferable scheme of the invention, the material gathering blades are of arc structures, so that materials can be gathered and supported in place, and the centrifugal speed of the materials is improved.
According to a preferable scheme of the invention, a motor mounting hole is formed in the broadcast main pipe and is communicated with the centrifugal acceleration cavity;
the centrifugal driving motor is arranged in the motor mounting hole through a fixed seat, and a partition plate is arranged on an output shaft of the centrifugal driving motor; the baffle plate encloses the centrifugal fan in the centrifugal acceleration chamber. Through above-mentioned structure, it comes to separate centrifugal acceleration chamber, prevents that the material from causing the destruction in the mistake income centrifugal drive motor.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the vertical centrifugal guiding type material sowing unmanned aerial vehicle, the centrifugal fan rotating in the vertical direction is arranged, centrifugal acceleration with specific requirements is generated under the condition of starting rotation in advance, and the centrifugal fan is provided with the material gathering blades with the material gathering grooves, so that the materials are guaranteed to obtain larger centrifugal acceleration, and the materials can smoothly fall from the material falling port of the secondary branch pipe.
2. Through setting up the secondary that has a plurality of blanking mouths and being in charge of, the requirement under the different row spacing of adaptation that can be better carries out the opening to the pipeline to specific topography and row spacing, carries out settlement in advance according to the row spacing of required broadcast sowing topography.
3. The secondary pipe distribution device can better adapt to the requirement of the materials for line sowing under the action of centrifugal acceleration, and has the effect of guiding the direction under the action of the centrifugal acceleration.
Drawings
Fig. 1 is a side view of a vertical centrifugally guided material placement drone of the present invention.
Fig. 2 is a front view of the spreading mechanism of the present invention.
Fig. 3-4 are two different directional cross-sectional views of the dispensing mechanism of the present invention.
Fig. 5 is a schematic perspective view of the centrifugal driving mechanism of the present invention.
Detailed Description
In order to make those skilled in the art understand the technical solutions of the present invention well, the following description of the present invention is provided with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1-5, the vertical centrifugal guiding type material sowing unmanned aerial vehicle of the embodiment includes an unmanned aerial vehicle 1 and a sowing mechanism; broadcast sowing mechanism carries on unmanned aerial vehicle 1, and this broadcast sowing mechanism includes material case 2, broadcast sowing pipe and centrifugal actuating mechanism. A kick-out device (not shown in the figure, the specific structure can refer to the existing structure, and a spiral feeder can be adopted) for automatically kicking out the materials is arranged in the material box 2.
Referring to fig. 2-4, the sowing pipe comprises a sowing main pipe 3, a branch pipe 4 and two secondary branch pipes 5 which are symmetrically arranged in a plane, the top of the sowing main pipe 3 is communicated with an outlet of the material tank 2, and the bottom of the sowing main pipe 3 is communicated with the branch pipe 4; a cylindrical centrifugal acceleration cavity 3-1 is arranged on the broadcast sowing main pipe 3; the branch pipe 4 is provided with two bifurcation channels 4-1, inlets of the two bifurcation channels 4-1 are both communicated with the bottom of the broadcast main pipe 3, and a flow distribution plate 6 is arranged between the inlets of the two bifurcation channels 4-1; the outlets of the two branched passages 4-1 are respectively communicated with the two secondary branch pipes 5; the flow distribution plate 6 is vertically arranged and is parallel to the axis of the centrifugal acceleration cavity 3-1; in vertical projection, the splitter plate 6 equally divides an acceleration outlet communicated with the centrifugal acceleration cavity 3-1 into two parts; the secondary branch pipe 5 is obliquely arranged, and a plurality of blanking ports 5-1 with downward openings are formed in the secondary branch pipe 5.
Referring to fig. 3-5, the centrifugal driving mechanism includes a centrifugal fan 7 and a centrifugal driving motor 8, an output shaft of the centrifugal driving motor 8 is fixedly connected with the centrifugal fan 7, and an axis of the output shaft of the centrifugal driving motor 8 extends along a horizontal direction; the centrifugal fan 7 is arranged in the centrifugal acceleration cavity 3-1 of the broadcast sowing main pipe 3, and the centrifugal fan 7 is provided with at least three material gathering blades 9; the material gathering blade 9 is provided with a material gathering groove 9-1. The material gathering blades 9 are of arc structures, so that materials can be gathered in place and supported, and the centrifugal speed of the materials is improved.
Referring to fig. 2-4, a limiting guide plate 10 is fixedly arranged below the blanking port 5-1, the limiting guide plate 10 is of a semicircular tube structure, and the opening of the limiting member faces the same direction as the downward inclination direction of the secondary branch pipe 5. Through the structure, after the material passes through the secondary branch pipe 5, the specific falling direction of the material can be controlled through the limiting guide plate 10.
Further, the included angle range between the limiting guide plate 10 and the secondary branch pipe 5 is 30-90 degrees.
Referring to fig. 2-4, the number of the blanking ports 5-1 on the secondary branch pipe 5 is 5 to 8; the size of a blanking port 5-1 on the secondary branch pipe 5 is 2.0-5.0 cm, and the size of an outlet at the tail end of the secondary branch pipe 5 is 2.0-5.0 cm.
Referring to fig. 2-5, a motor mounting hole is formed in the sowing main pipe 3 and is communicated with the centrifugal acceleration cavity 3-1; the centrifugal driving motor 8 is arranged in the motor mounting hole through a fixed seat 11, and a partition plate 12 is arranged on an output shaft of the centrifugal driving motor 8; the partition plate 12 encloses the centrifugal fan 7 in the centrifugal acceleration chamber 3-1. Through the structure, the centrifugal acceleration cavity 3-1 is isolated, and the materials are prevented from being mistakenly put into the centrifugal driving motor 8 to cause damage.
Referring to fig. 1-5, the vertical centrifugal guiding type material-sowing unmanned aerial vehicle of the embodiment has the working principle that:
when the unmanned aerial vehicle works, a worker operates the unmanned aerial vehicle 1 to fly above a designated operation area for hovering; the flight control system of the unmanned aerial vehicle 1 simultaneously transmits flight instructions and working instructions to the centrifugal driving motor 8, and the centrifugal driving motor 8 drives the centrifugal fan 7 to rotate, so that the speed of the centrifugal fan 7 reaches the rotating speed of required seeding. In the process that the centrifugal fan 7 rotates to generate centrifugal force, the unmanned aerial vehicle 1 starts to fly along the designated operation area and the operation route; the flight control system of unmanned aerial vehicle 1 transmits the signal of broadcasting to the setting gauge, and the setting gauge adjusts self rotational speed according to broadcasting volume and rotates, and the material (seed or fertilizer) begins to transport down under the effect of setting gauge. The material enters the centrifugal accelerating cavity 3-1 through the inlet of the broadcasting main pipe 3, the material is collected by the material collecting blade 9 of the centrifugal fan 7, and the material flows out from the accelerating outlet of the broadcasting main pipe 3 in the rotating process under the centrifugal force rotating in advance. The material is shunted through the flow distribution plate 6 after flowing out from the accelerating outlet of the broadcasting main pipe 3, and the material is uniformly divided into two strands, falls into the two bifurcation channels 4-1 of the bifurcation pipe 4 and then moves towards the secondary branch pipe 5. The material obtains centrifugal acceleration after passing through the centrifugal fan 7 and gets into in the secondary divides the pipe 5, and the secondary divides the pipe 5 to open the material mouth according to the interval that has set for in advance, and the material is at the effect of great centrifugal acceleration quick through the secondary divides the pipe 5, because be equipped with a plurality of openings 5-1 that fall down on the secondary divides the pipe 5, part material flies out from the material mouth 5-1 in the removal process, and remaining last partly clout is divided from the tail end opening that the secondary divides the pipe 5.
After the operation of the designated operation area is completed, the unmanned aerial vehicle 1 navigates back under the instruction of the flight control system, the unmanned aerial vehicle 1 navigates back to the ground, then the material supplement and the onboard battery are replaced, the corresponding area operation is continued after the replacement is completed, and the operations are repeated until the whole broadcasting of the operation area is completed.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims (6)

1. A vertical centrifugal guide type material sowing unmanned aerial vehicle comprises an unmanned aerial vehicle and a sowing mechanism; the unmanned aerial vehicle is characterized in that the broadcasting mechanism is mounted on the unmanned aerial vehicle and comprises a material box, a broadcasting pipe and a centrifugal driving mechanism;
a kick-out device used for automatically kicking out the materials is arranged in the material box;
the seeding pipe comprises a seeding main pipe, a branch pipe and two secondary branch pipes which are symmetrically arranged on the plane, the top of the seeding main pipe is communicated with the outlet of the material tank, and the bottom of the seeding main pipe is communicated with the branch pipe; the sowing main pipe is provided with a cylindrical centrifugal acceleration cavity, and the axis of the centrifugal acceleration cavity extends along the horizontal direction; the branch pipe is provided with two branch passages, inlets of the two branch passages are communicated with the bottom of the broadcast sowing main pipe, and a flow distribution plate is arranged between the inlets of the two branch passages; the outlets of the two bifurcation channels are respectively communicated with the two secondary branch pipes; the flow distribution plate is vertically arranged and is parallel to the axis of the centrifugal acceleration cavity; in vertical projection, the flow distribution plate evenly divides an acceleration outlet communicated with the centrifugal acceleration cavity into two parts; the secondary branch pipe is obliquely arranged and is provided with a plurality of blanking ports with downward openings;
the centrifugal driving mechanism comprises a centrifugal fan and a centrifugal driving motor, an output shaft of the centrifugal driving motor is fixedly connected with the centrifugal fan, and an axis of the output shaft of the centrifugal driving motor extends along the horizontal direction; the centrifugal fan is arranged in a centrifugal acceleration cavity of the broadcast sowing main pipe and is provided with at least three material gathering blades; the material gathering blade is provided with a material gathering groove.
2. The vertical centrifugal guiding type unmanned aerial vehicle for spreading materials as claimed in claim 1, wherein a limiting guide plate is fixedly arranged below the blanking port, the limiting guide plate is of a semi-circular pipe structure, and an opening of the limiting member faces the same direction as the downward inclination direction of the secondary branch pipe.
3. The vertical centrifugal guiding type unmanned aerial vehicle for spreading materials as claimed in claim 2, wherein the included angle between the limiting guide plate and the secondary branch pipe ranges from 30 ° to 90 °.
4. The vertical centrifugal guiding type unmanned aerial vehicle for spreading materials as claimed in claim 1, wherein the number of the blanking ports on the secondary branch pipe is 5 to 8;
the size of the blanking port on the secondary branch pipe is 2.0-5.0 cm, and the size of the tail end outlet of the secondary branch pipe is 2.0-5.0 cm.
5. The vertical centrifugal guiding type material spreading unmanned aerial vehicle as claimed in claim 1, wherein the material gathering blade is of an arc-shaped structure.
6. The vertical centrifugally guided feed spreading unmanned aerial vehicle as claimed in claim 1, wherein the main spreading pipe is provided with a motor mounting hole, and the motor mounting hole is communicated with the centrifugal acceleration cavity;
the centrifugal driving motor is arranged in the motor mounting hole through a fixed seat, and a partition plate is arranged on an output shaft of the centrifugal driving motor; the baffle plate encloses the centrifugal fan in the centrifugal acceleration chamber.
CN202211390472.3A 2022-11-09 2022-11-09 Vertical centrifugal guide type material sowing unmanned aerial vehicle Withdrawn CN115669317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211390472.3A CN115669317A (en) 2022-11-09 2022-11-09 Vertical centrifugal guide type material sowing unmanned aerial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211390472.3A CN115669317A (en) 2022-11-09 2022-11-09 Vertical centrifugal guide type material sowing unmanned aerial vehicle

Publications (1)

Publication Number Publication Date
CN115669317A true CN115669317A (en) 2023-02-03

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ID=85050704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211390472.3A Withdrawn CN115669317A (en) 2022-11-09 2022-11-09 Vertical centrifugal guide type material sowing unmanned aerial vehicle

Country Status (1)

Country Link
CN (1) CN115669317A (en)

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Application publication date: 20230203