CN116331541B - Device and method for rapidly evaluating artificial grazing intensity based on unmanned aerial vehicle remote sensing - Google Patents
Device and method for rapidly evaluating artificial grazing intensity based on unmanned aerial vehicle remote sensing Download PDFInfo
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- CN116331541B CN116331541B CN202310326135.6A CN202310326135A CN116331541B CN 116331541 B CN116331541 B CN 116331541B CN 202310326135 A CN202310326135 A CN 202310326135A CN 116331541 B CN116331541 B CN 116331541B
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- 238000009304 pastoral farming Methods 0.000 title claims abstract description 32
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- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
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- 244000144972 livestock Species 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
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- 238000011156 evaluation Methods 0.000 abstract description 2
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- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U20/00—Constructional aspects of UAVs
- B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring
- B64U20/87—Mounting of imaging devices, e.g. mounting of gimbals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/40—UAVs specially adapted for particular uses or applications for agriculture or forestry operations
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Abstract
The invention belongs to the technical field of grazing intensity evaluation, and particularly relates to a device and a method for rapidly evaluating manual grazing intensity based on unmanned aerial vehicle remote sensing, wherein the device comprises an unmanned aerial vehicle body, an observation module and a connecting piece thereof, and the observation module comprises: the device comprises a horn-shaped cylinder body formed by an upper combination part and a lower combination part, a mounting seat which is slidably extended or retracted into the wide opening end of the horn-shaped cylinder body, an observation part arranged on the mounting seat, a linkage frame which is slidably extended or retracted into the narrow opening end of the horn-shaped cylinder body, and a linear driving piece for driving the observation part to move; according to the invention, the upper combination part and the lower combination part are integrally injection molded to obtain the horn-shaped cylinder, so that the horn-shaped cylinder is not only the installation structure of the observation part, but also can be used as the sound amplifying structure of the device, the weight of the structure below the unmanned aerial vehicle is reduced by one-shot injection molding, and the endurance of the unmanned aerial vehicle is improved.
Description
Technical Field
The invention belongs to the technical field of grazing intensity evaluation, and particularly relates to a device and a method for rapidly evaluating manual grazing intensity based on unmanned aerial vehicle remote sensing.
Background
Grazing intensity, also known as grazing pressure, refers to the number of heads that graze livestock per unit of grass area over a period of time. The study on grazing intensity is mainly focused on the influence of different grazing intensities on grassland vegetation community characteristics and grassland productivity diversity. The existing method for estimating grazing intensity is mainly to compare the difference between the theoretical livestock carrying quantity and the actual livestock carrying quantity of grasslands by investigating and counting the quantity and the distribution of livestock.
With the development of satellite remote sensing technology, some domestic and foreign scholars use satellite remote sensing for estimating the grazing intensity of grasslands, but satellite estimation is easily affected by weather, has large error and has the defect of time delay in the data acquisition process; unmanned aerial vehicles are also commonly used in the prior art to track and shoot the herd in the observation area, and then the image position in the observation area is counted and calculated through software to obtain the grazing intensity of the herd, but due to the fact that the areas of some grassland areas are large, the quantity of livestock is large, the situation that livestock on images are overlapped in the shooting process of the unmanned aerial vehicles frequently occurs, the unmanned aerial vehicles are required to simultaneously carry sound amplifying equipment to drive, and the cruising of the conventional unmanned aerial vehicles is difficult to meet the requirements.
Based on the above, there is a need to design a device and a method for rapidly evaluating the manual grazing intensity based on unmanned aerial vehicle remote sensing.
Disclosure of Invention
The invention aims to provide a device and a method for rapidly evaluating manual grazing intensity based on unmanned aerial vehicle remote sensing, and aims to solve the problems that the existing satellite remote sensing image recognition grazing intensity is easily interfered by cloud layers and the endurance of a recognition device of an unmanned aerial vehicle platform is difficult to meet the requirements in the background art.
The invention realizes the above purpose through the following technical scheme:
the device for rapidly evaluating the artificial grazing intensity based on the remote sensing of the unmanned aerial vehicle comprises an unmanned aerial vehicle body, an observation module and a connecting piece thereof, wherein,
the observation module includes: the device comprises a horn-shaped cylinder body formed by an upper combination part and a lower combination part, a mounting seat which is slidably extended or retracted into the wide opening end of the horn-shaped cylinder body, an observation part arranged on the mounting seat, a linkage frame which is slidably extended or retracted into the narrow opening end of the horn-shaped cylinder body, and a linear driving piece for driving the observation part to move;
the observation part is connected with the linkage frame through a reverse transmission mechanism, and the movement directions of the observation part and the linkage frame in the trumpet-shaped cylinder body are opposite;
the connector includes: the U-shaped clamping piece is arranged on the straight plate, and a through hole is formed in the center of the straight plate;
the upper end of the linkage frame is provided with a protruding part corresponding to the position of the through hole, and the upper end of the protruding part is provided with a through hole.
As a further optimization scheme of the invention, the linear driving piece is positioned on the inner wall of one side of the trumpet-shaped cylinder, a guide rod is arranged on the inner wall of the other side of the trumpet-shaped cylinder, a guide sleeve is arranged on the side edge of the mounting seat, and the guide sleeve is sleeved on the guide rod.
As a further optimization scheme of the invention, the reverse transmission mechanism comprises a double-groove reel arranged on the inner side wall of the trumpet-shaped barrel and a mounting support thereof, and also comprises two steel wire ropes wound on the double-groove reel, wherein the winding directions of the two steel wire ropes are the same, one steel wire rope extends downwards and is connected with the upper end face of the mounting support, and the other steel wire rope extends upwards and is connected with the lower end face of the linkage frame; a spring piece is arranged between the linkage frame and the inner top of the trumpet-shaped cylinder body, and a torsion spring is sleeved between the double-groove reel and the mounting support.
As a further optimization scheme of the invention, the observation part is specifically a visible light cradle head camera, and the pixels of the observation part are more than or equal to 2000 ten thousand.
As a further optimization scheme of the invention, the device further comprises a controller module and a wireless communication module which are arranged at the lower end of the unmanned aerial vehicle body, the signal output end of the observation part is connected with the input end of the controller module and the input end of the wireless communication module, the output end of the controller module is connected with the control end of the linear driving piece, and the output end of the wireless communication module is connected with the control terminal.
As a further optimization scheme of the invention, the end face, close to the unmanned aerial vehicle body, of the upper combining part is provided with a mounting lug which is matched with the U-shaped clamping piece for bolt mounting.
As a further optimization scheme of the invention, the upper combination part and the lower combination part are integrally injection molded to obtain the horn-shaped cylinder.
A method for rapidly evaluating the artificial grazing intensity according to the device comprises the following steps:
s1: firstly, fixing the observation module at the lower end of the unmanned aerial vehicle body through a connecting piece, fixing an installation lug on the observation module in a U-shaped clamping piece through a bolt, and starting a linear driving piece after the installation is finished so that an observation part slides and retracts into the wide-mouth end of the horn-shaped cylinder body, and a linkage frame slides and retracts into the narrow-mouth end of the horn-shaped cylinder body;
s2: starting the unmanned aerial vehicle body to fly to the upper air of the pasture to be evaluated, simultaneously starting the observation part to acquire image data of the pasture to be evaluated, and transmitting the image data to the controller module and the wireless communication module;
s3: the wireless communication module transmits the image data to the control terminal, and the control terminal identifies the image data to acquire grazing intensity of the pasture area.
As a further optimization scheme of the invention, in step S3, when the control terminal recognizes that the livestock in the image data have overlapping, the control terminal starts the linear driving piece so that the observation part extends out of the wide opening end of the horn-shaped cylinder, the linkage frame slides out of the narrow opening end of the horn-shaped cylinder, and the protruding part at the upper end of the linkage frame penetrates through the through hole and is abutted to the lower end of the unmanned aerial vehicle body.
The invention has the beneficial effects that:
(1) According to the invention, the upper combination part and the lower combination part are integrally injection molded to obtain the horn-shaped cylinder, so that the horn-shaped cylinder is not only an installation structure of the observation part, but also can be used as a sound amplifying structure of the device, two purposes are achieved, the weight of the structure below the unmanned aerial vehicle is reduced by integral injection molding, and the endurance of the unmanned aerial vehicle is improved;
(2) According to the invention, in the sound amplifying process, the protruding part at the upper end of the linkage frame penetrates through the through hole to be abutted against the lower end of the unmanned aerial vehicle body, the through hole can limit the protruding part, the observation part extends out of the lower end of the horn-shaped barrel, so that the stability of the device can be improved while sound collection is facilitated, and the stability under a high wind environment is higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the connector of the present invention;
FIG. 3 is a schematic cross-sectional view of the observation module according to the present invention;
FIG. 4 is a schematic diagram of the mechanism of the dual reel of the present invention;
FIG. 5 is a schematic view of the bottom side structure of the observation module according to the present invention;
fig. 6 is a schematic top view of the linkage frame according to the present invention.
In the figure: 1. an unmanned aerial vehicle body; 2. an observation module; 3. a connecting piece; 4. a spring member; 21. an upper joint; 22. a lower joint; 23. a mounting base; 24. an observation unit; 25. a linear driving member; 26. a guide sleeve; 27. a linkage frame; 28. a double-groove reel; 29. a wire rope; 31. a U-shaped clamping piece; 32. a through hole; 271. and a through hole.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of illustration only and is not to be construed as limiting the scope of the invention, as various insubstantial modifications and adaptations of the invention to those skilled in the art may be made in light of the foregoing disclosure.
Example 1
As shown in fig. 1-6, the invention provides a device for rapidly evaluating artificial grazing intensity based on unmanned aerial vehicle remote sensing, which comprises an unmanned aerial vehicle body 1, an observation module 2 and a connecting piece 3 thereof, wherein,
the observation module 2 includes: the device comprises a horn-shaped cylinder body formed by an upper combining part 21 and a lower combining part 22, a mounting seat 23 which is slidably extended or retracted into the wide opening end of the horn-shaped cylinder body, an observation part 24 arranged on the mounting seat 23, a linkage frame 27 which is slidably extended or retracted into the narrow opening end of the horn-shaped cylinder body, and a linear driving piece 25 for driving the observation part 24 to move; the observation part 24 and the linkage frame 27 are connected through a reverse transmission mechanism, and the movement directions of the observation part 24 and the linkage frame 27 in the horn-shaped cylinder are opposite; the connector 3 includes: the device comprises a straight plate arranged at the lower end of the unmanned aerial vehicle body 1, a U-shaped clamping piece 31 arranged on the straight plate and a through hole 32 arranged in the center of the straight plate; the upper end of the linkage frame 27 is provided with a protruding part corresponding to the position of the through hole 32, the upper end of the protruding part is provided with a through hole 271, and the arrangement of the through hole 271 is convenient for collecting the environmental noise of the unmanned aerial vehicle body 1.
In the invention, the linear driving piece 25 can be a ball screw or an electric push rod, and a driving piece with lighter overall weight is preferably selected so as to reduce the overall weight of the device.
When the horn-shaped barrel formed by the upper combining part 21 and the lower combining part 22 is used in the device, the observation part 24 can just face the lower part to shoot, and when the overlapping of livestock on an image or the transfer of a herd to the outside of a pasture area is found in the shooting process, the linear driving part 25 is started, so that the observation part 24 extends out of the wide mouth end of the horn-shaped barrel, the linkage frame 27 slides out of the narrow mouth end of the horn-shaped barrel, the protruding part at the upper end of the linkage frame 27 penetrates through the through hole 32 to be abutted with the lower end of the unmanned aerial vehicle body 1, the upper end of the horn-shaped barrel is convenient for collecting the noise of the unmanned aerial vehicle body 1, the noise of the unmanned aerial vehicle body 1 is effectively amplified through the amplifying effect of the horn-shaped barrel, and meanwhile, the flying height of the unmanned aerial vehicle body 1 can be reduced in a matched mode, the herd is driven, the herd is prevented from overlapping, and the number data of the livestock are better collected.
In addition, when the device is shooting normally, the observation portion 24 is located the inside of the wide mouth end of the tubaeform barrel, if the observation image feedback herd appears overlapping or when the herd needs to drive, then the observation portion 24 stretches out wide mouth end below when driving, the upper end narrow mouth end of the tubaeform barrel realizes radio reception, wide mouth end realizes public address, need not to carry buzzer or drive other equipment, and this public address structure need not the power supply, collects unmanned aerial vehicle flight environment's on-the-spot noise, realizes the effect of driving the herd.
The upper combining part 21 and the lower combining part 22 are integrally injection molded to obtain the horn-shaped cylinder, and the horn-shaped cylinder is not only an installation structure of the observation part 24 in the unmanned aerial vehicle, but also can be used as a sound amplifying structure of the unmanned aerial vehicle, so that the weight of the structure below the unmanned aerial vehicle is reduced, and the endurance of the unmanned aerial vehicle is improved through the integral injection molding.
In order to further improve the stability of the movement of the mounting seat 23 and the observation portion 24, the linear driving piece 25 is located on one side inner wall of the trumpet-shaped cylinder, a guide rod is arranged on the other side inner wall of the trumpet-shaped cylinder, a guide sleeve 26 is arranged on the side edge of the mounting seat 23, and the guide sleeve 26 is sleeved on the guide rod.
The reverse transmission mechanism comprises a double-groove reel 28 and an installation support thereof, which are arranged on the inner side wall of a horn-shaped cylinder, and also comprises two steel wire ropes 29 wound on the double-groove reel 28, wherein the winding directions of the two steel wire ropes 29 are the same, one steel wire rope 29 extends downwards and is connected with the upper end face of the installation seat 23, and the other steel wire rope 29 extends upwards and is connected with the lower end face of the linkage frame 27; a spring element 4 is arranged between the linkage frame 27 and the inner top of the trumpet-shaped cylinder body, and a torsion spring is sleeved between the double-slot reel 28 and the mounting support.
Referring to fig. 3 and 4, if the linear driving member 25 drives the mounting seat 23 to move downward, the wire rope 29 pulls the double-groove reel 28 to rotate, and since the torsion spring is sleeved between the double-groove reel 28 and the mounting seat, the potential energy of resetting is accumulated in the double-groove reel 28, and the spring member 4 is arranged between the linkage frame 27 and the inner top of the trumpet-shaped cylinder, the linkage frame 27 moves upward under the elastic force of the spring member 4 until the protruding part at the upper end of the linkage frame 27 abuts against the lower end of the unmanned aerial vehicle body 1 through the through hole 32.
Further, the observation portion 24 is specifically a visible light pan-tilt camera, and its pixels are more than or equal to 2000 ten thousand.
The device further comprises a controller module and a wireless communication module which are arranged at the lower end of the unmanned aerial vehicle body 1, wherein the signal output end of the observation part 24 is connected with the input ends of the controller module and the wireless communication module, the output end of the controller module is connected with the control end of the linear driving piece 25, and the output end of the wireless communication module is connected with the control terminal. The control terminal specifically receives control operation of a remote technician, and the control terminal is electrically connected with the controller module, and the remote technician feeds back the received image data, so that control over the unmanned aerial vehicle body 1, the linear driving piece 25 and the observation portion 24 is realized through the controller module.
Further, the end face of the upper combining part 21, which is close to the unmanned aerial vehicle body 1, is provided with a mounting lug which is matched with the U-shaped clamping piece 31 for bolt mounting.
The invention also provides a method for rapidly evaluating the artificial grazing intensity according to the device, which comprises the following steps:
s1: firstly, the device is fixed at the lower end of the unmanned aerial vehicle body 1 through a connecting piece 3, then a mounting lug on the observation module 2 is fixed in a U-shaped clamping piece 31 through a bolt, and after the mounting is finished, the linear driving piece 25 is started to enable the observation part 24 to slide and retract into the wide-mouth end of the horn-shaped cylinder and the linkage frame 27 to slide and retract into the narrow-mouth end of the horn-shaped cylinder;
s2: starting the unmanned aerial vehicle body 1 to fly to the upper air of the pasture to be evaluated, simultaneously starting the observation part 24 to acquire the image data of the pasture to be evaluated, and transmitting the image data to the controller module and the wireless communication module;
s3: the wireless communication module transmits the image data to the control terminal, and the control terminal identifies the image data to acquire the grazing intensity of the pasture area.
It should be noted that, in the present invention, the image data captured by the observation portion 24 is transmitted to the control terminal for further processing, which includes the number of pastures and the area of the pastures, etc., the surface vegetation type, vegetation coverage, vegetation growth status and the gnawing degree of the pastures in the pastures to be monitored are identified, then the relevant information of the pastures obtained by processing is transmitted to the remote control terminal through the wireless communication module, so that the user can monitor the grazing intensity, vegetation growth status, etc. of the pastures, and the above-mentioned prior art on how to process the data to obtain the grazing intensity is mature can obtain the data through conventional formula calculation, which is not the improvement point of the present invention, but is not further detailed in the present application.
Further, in step S3, when the control terminal recognizes that there is an overlap in the livestock in the image data, the control terminal starts the linear driving member 25 so that the observation portion 24 extends out of the outer side of the wide mouth end of the horn-shaped cylinder, the linkage frame 27 slides out of the narrow mouth end of the horn-shaped cylinder, and the protruding portion at the upper end of the linkage frame 27 penetrates through the through hole 32 to be abutted with the lower end of the unmanned aerial vehicle body 1, the through hole 271 at the upper end of the protruding portion collects the environmental noise of the unmanned aerial vehicle body 1, and the sound amplification is realized after the internal space of the horn-shaped cylinder, so that the herd can be effectively driven.
Referring to fig. 2 and 3, in the process of amplifying sound, the protruding part penetrating through hole 32 at the upper end of the linkage frame 27 is abutted to the lower end of the unmanned aerial vehicle body 1, at this time, the protruding part can be limited by the through hole 32, the observation part 24 extends out of the lower end of the horn-shaped barrel, so that the stability of the device can be improved while sound is received, and the stability under a high wind environment is higher.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (7)
1. Device based on unmanned aerial vehicle remote sensing aassessment manual grazing intensity fast, its characterized in that: comprises an unmanned aerial vehicle body (1), an observation module (2) and a connecting piece (3) thereof,
the observation module (2) comprises: the device comprises a trumpet-shaped cylinder body formed by an upper combination part (21) and a lower combination part (22), a mounting seat (23) which stretches out or draws in the wide-mouth end of the trumpet-shaped cylinder body in a sliding way, an observation part (24) arranged on the mounting seat (23), a linkage frame (27) which stretches out or draws in the narrow-mouth end of the trumpet-shaped cylinder body in a sliding way, and a linear driving piece (25) which drives the observation part (24) to move; the observation part (24) is connected with the linkage frame (27) through a reverse transmission mechanism, and the movement directions of the observation part (24) and the linkage frame (27) in the trumpet-shaped cylinder body are opposite;
the connector (3) comprises: the unmanned aerial vehicle comprises a straight plate arranged at the lower end of the unmanned aerial vehicle body (1), a U-shaped clamping piece (31) arranged on the straight plate and a through hole (32) arranged in the center of the straight plate;
a protruding part is arranged at the upper end of the linkage frame (27) corresponding to the position of the through hole (32), and a through hole (271) is arranged at the upper end of the protruding part;
the linear driving piece (25) is positioned on the inner wall of one side of the trumpet-shaped cylinder, a guide rod is arranged on the inner wall of the other side of the trumpet-shaped cylinder, a guide sleeve (26) is arranged on the side edge of the mounting seat (23), and the guide sleeve (26) is sleeved on the guide rod;
the reverse transmission mechanism comprises a double-groove reel (28) arranged on the inner side wall of the horn-shaped cylinder body and an installation support thereof, and also comprises two steel wire ropes (29) wound on the double-groove reel (28), wherein the winding directions of the two steel wire ropes (29) are the same, one steel wire rope (29) extends downwards and is connected with the upper end surface of the installation seat (23), and the other steel wire rope (29) extends upwards and is connected with the lower end surface of the linkage frame (27); a spring piece (4) is arranged between the linkage frame (27) and the inner top of the trumpet-shaped cylinder body, and a torsion spring is sleeved between the double-groove reel (28) and the mounting support.
2. The device for rapidly evaluating artificial grazing intensity based on unmanned aerial vehicle remote sensing according to claim 1, wherein: the observation part (24) is specifically a visible light cradle head camera, and the pixels of the observation part are more than or equal to 2000 ten thousand.
3. The device for rapidly evaluating artificial grazing intensity based on unmanned aerial vehicle remote sensing according to claim 2, wherein: the device is characterized by further comprising a controller module and a wireless communication module, wherein the controller module and the wireless communication module are arranged at the lower end of the unmanned aerial vehicle body (1), the signal output end of the observation part (24) is connected with the input end of the controller module and the input end of the wireless communication module, the output end of the controller module is connected with the control end of the linear driving piece (25), and the output end of the wireless communication module is connected with the control terminal.
4. A device for rapidly assessing artificial grazing intensity based on remote sensing of unmanned aerial vehicle according to claim 3, wherein: the upper combining part (21) is close to the end face of the unmanned aerial vehicle body (1) and is provided with a mounting lug which is matched with the U-shaped clamping piece (31) for bolt mounting.
5. The device for rapidly evaluating manual grazing intensity based on unmanned aerial vehicle remote sensing according to claim 4, wherein: the upper combination part (21) and the lower combination part (22) are integrally injection molded to obtain the trumpet-shaped cylinder.
6. The method for rapid assessment of manual grazing intensity by the apparatus according to claim 5, comprising the steps of:
s1: firstly, fixing the device at the lower end of an unmanned aerial vehicle body (1) through a connecting piece (3), fixing a mounting lug on an observation module (2) in a U-shaped clamping piece (31) through a bolt, and starting a linear driving piece (25) after the mounting is finished so that an observation part (24) slides into the wide opening end of the horn-shaped cylinder and a linkage frame (27) slides into the narrow opening end of the horn-shaped cylinder;
s2: starting the unmanned aerial vehicle body (1) to fly to the upper air of a pasture to be evaluated, simultaneously starting the observation part (24) to acquire image data of the pasture to be evaluated, and transmitting the image data to a controller module and a wireless communication module;
s3: the wireless communication module transmits the image data to the control terminal, and the control terminal identifies the image data to acquire grazing intensity of the pasture area.
7. The method for rapidly evaluating the artificial grazing intensity based on unmanned aerial vehicle remote sensing according to claim 6, wherein the method comprises the following steps: in step S3, when the control terminal recognizes that there is an overlap between the livestock in the image data, the control terminal starts the linear driving member (25) so that the observation portion (24) extends out of the wide opening end of the trumpet-shaped cylinder, the linkage frame (27) slides out of the narrow opening end of the trumpet-shaped cylinder, and the protruding portion at the upper end of the linkage frame (27) penetrates through the through hole (32) and abuts against the lower end of the unmanned aerial vehicle body (1).
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| CN109956032A (en) * | 2017-12-26 | 2019-07-02 | 江苏路艺照明科技有限公司 | A kind of unmanned plane with bird dispelling function for agricultural production |
| CN209814306U (en) * | 2019-04-16 | 2019-12-20 | 邢台翔睿航空科技有限公司 | Retractable cloud platform survey and drawing unmanned aerial vehicle |
| CN110789716A (en) * | 2019-11-25 | 2020-02-14 | 江苏东方创意文化产业有限公司 | Aircraft for grazing |
| CN112345289A (en) * | 2020-11-30 | 2021-02-09 | 生态环境部南京环境科学研究所 | Unmanned aerial vehicle formula grassland vegetation sample side discernment gathers integrative device of weighing |
| CN113885060A (en) * | 2021-09-26 | 2022-01-04 | 中国农业科学院草原研究所 | Grazing intensity monitoring method based on unmanned aerial vehicle remote sensing technology |
| CN114044154A (en) * | 2021-11-13 | 2022-02-15 | 吉林省牧源农牧业有限公司 | Remote control unmanned grazing device based on cloud technology |
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