CN112839207A - Fruit tree growth monitoring method based on unmanned aerial vehicle low-altitude remote sensing technology - Google Patents
Fruit tree growth monitoring method based on unmanned aerial vehicle low-altitude remote sensing technology Download PDFInfo
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 88
- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 238000005516 engineering process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002420 orchard Substances 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 121
- 238000005507 spraying Methods 0.000 claims description 86
- 238000003860 storage Methods 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 239000002985 plastic film Substances 0.000 claims description 28
- 229920006255 plastic film Polymers 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 28
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a fruit tree growth monitoring method based on an unmanned aerial vehicle low-altitude remote sensing technology, belongs to the technical field of unmanned aerial vehicle monitoring, and comprises the following steps: the method comprises the steps of setting an optimal aerial photography monitoring route and a plurality of standby aerial photography routes according to the area distribution of the orchard, and remotely controlling the unmanned aerial vehicle to sail over the orchard through a radio remote control equipment terminal.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle monitoring, in particular to a fruit tree growth monitoring method based on an unmanned aerial vehicle low-altitude remote sensing technology.
Background
The unmanned aerial vehicle remote sensing is an application technology which can automatically, intelligently and specially and quickly acquire space remote sensing information such as national resources, natural environments, earthquake disaster areas and the like and complete remote sensing data processing, modeling and application analysis by utilizing an advanced unmanned aerial vehicle technology, a remote sensing sensor technology, a remote sensing remote control technology, a communication technology, a GPS differential positioning technology and a remote sensing application technology. The unmanned aerial vehicle is an unmanned aerial vehicle controlled by a radio remote control device or an onboard computer program control system. The unmanned aerial vehicle is simple in structure and low in use cost, can complete tasks executed by piloted airplanes, and is more suitable for tasks which are not suitable for being executed by the piloted airplanes, such as geological disaster investigation, air rescue command and environment remote sensing monitoring in dangerous areas. The micro remote sensing technology of the unmanned aerial vehicle as an aerial remote sensing platform is characterized in that: the unmanned aerial vehicle is used as an aerial platform, the remote sensing sensor obtains information, the image information is processed by the computer, and an image is manufactured according to a certain precision requirement.
In order to realize the large-scale, intensive and mechanical production of fruits, the area of a modern orchard at least reaches over 500 mu, and the increase of the area of the orchard makes it difficult for fruit growers to quickly and comprehensively acquire the growth information of fruit trees, which is not beneficial to the effective management of the orchard. In recent years, remote sensing technology is rapidly developed, is a nondestructive testing technology and is suitable for large-scale and large-area information acquisition and monitoring. Compared with an artificial satellite and an airplane, the unmanned aerial vehicle carrying platform is lower in cost and simpler and more flexible in application. Carry on all kinds of sensor equipment through unmanned aerial vehicle and can realize the quick monitoring of crops growth state, provide the technological basis for the peasant in time carries out crop management and scientific research personnel and carries out the research of crop growth law.
However, the existing technology for monitoring crops by an unmanned aerial vehicle has the defects that the monitored abnormal fruit trees lack substantial marks, and the growth management of an orchard is difficult to achieve effective guidance.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a fruit tree growth monitoring method based on an unmanned aerial vehicle low-altitude remote sensing technology, which monitors and collects data of the growth state of a fruit tree in any period through an unmanned aerial vehicle, realizes the monitoring and analysis of the growth state of the fruit tree, obviously and accurately covers the upper end of an abnormal fruit tree by annularly putting a boundary marking net in an abnormal growth area of an orchard in the monitoring process without damaging the normal growth of the fruit tree, thereby quickly and accurately enclosing the abnormal growth area of the fruit tree, providing a visual range indication for regulating and controlling the growth of the fruit tree and enabling people to quickly and accurately carry out growth management on the abnormal fruit tree.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A fruit tree growth monitoring method based on an unmanned aerial vehicle low-altitude remote sensing technology comprises the following steps:
s1, making an optimal aerial photography monitoring route and a plurality of standby aerial photography routes according to the area distribution of the orchard;
s2, remotely controlling the unmanned aerial vehicle to sail over the orchard through the wireless remote control equipment terminal according to the optimal aerial photography monitoring route, shooting and collecting image data of fruit trees, and displaying monitoring pictures on the wireless remote control equipment terminal;
s3, when the growth of fruit trees in a certain area is observed to be abnormal through vision on a monitoring picture, controlling the unmanned aerial vehicle to fly above the area, circularly flying along the boundary of the area, and simultaneously throwing a boundary marking net downwards at intervals;
s4, after the unmanned aerial vehicle surrounds the area for a circle, the unmanned aerial vehicle flies back to the aerial photography interruption point, continues flying along the aerial photography monitoring route, and acquires the image data of the fruit tree.
The invention monitors and collects data of the growth state of the fruit trees in any period by the unmanned aerial vehicle, realizes the monitoring and analysis of the growth state of the fruit trees, obviously and accurately covers the upper ends of the abnormal fruit trees while not damaging the normal growth of the fruit trees by putting the boundary marking net around the abnormal growth area of the orchard in the monitoring process, thereby quickly and accurately enclosing the abnormal growth area of the fruit trees, providing visual range indication for regulating and controlling the growth of the fruit trees and enabling people to quickly and accurately carry out growth management on the abnormal fruit trees.
Further, in S3, before the border marker net is placed, the border marker net is heated, and the heating temperature is 60 ° to 70 °.
Furthermore, the boundary marking net comprises a liquid storage expansion bag, the outer end of the liquid storage expansion bag is fixedly connected with a plurality of uniformly distributed dispersed liquid spraying strips, and the dispersed liquid spraying strips are communicated with the interior of the liquid storage expansion bag.
Further, the liquid storage expansion bag is made of elastic materials, purified water is filled in the liquid storage expansion bag, a meltable carrier film layer is fixedly connected inside the dispersed liquid spraying strips, the meltable carrier film layer is positioned at a port, close to the liquid storage expansion bag, of the dispersed liquid spraying strips, the meltable carrier film layer comprises a pair of plastic films and a hard carrier net fixedly connected between the pair of plastic films, the plastic films are made of polyvinyl acetate materials with the melting point of 40-60 degrees, the hard carrier net plays a role in connecting, fixing and supporting the plastic films, in a normal state, the plastic films keep a solid film state, meshes of the hard carrier net are blocked, the meltable carrier film layer plays a role in closing the port of the dispersed liquid spraying strips, and the purified water in the liquid storage expansion bag is prevented from entering the dispersed liquid spraying strips, so that the dispersed liquid spraying strips can be in a contraction state under external force, therefore, the volume of the whole boundary marker net is reduced, and the placement and the storage before the throwing are convenient.
Furthermore, a plurality of water spraying holes which are uniformly distributed and communicated with the outside are formed in the dispersed liquid spraying strips, the water spraying holes are positioned on one side, away from the liquid storage expansion bag, of the fusible film carrier layer, when the dispersed liquid spraying strips need to be thrown in, the water spraying holes are firstly heated to enable the plastic film to be gradually softened until the plastic film is melted, and the meshes of the hard carrier net are exposed and can allow water to pass through, so that when the boundary marking net is thrown in and landed, water in the liquid storage expansion bag is dispersed into each dispersed liquid spraying strip through the meshes of the hard carrier net under the action of extrusion under the elastic contraction of the liquid storage expansion bag, on one hand, the dispersed liquid spraying strips are gradually extended, the volume of the boundary marking net is enlarged and gradually changed into an unfolded shape to be conveniently covered on the upper end of a fruit tree, on the other hand, the boundary marking net is not easy to be influenced by wind force to generate position deviation, the accuracy of putting in of boundary mark net has been increased, and, along with the descending of boundary mark net, the pure water constantly sprays through the hole for water sprayings and forms, the water yield constantly reduces, make boundary mark net finally with the light, slow state covers in the fruit tree upper end, be difficult for causing the damage to the fruit tree, boundary mark net covers behind the fruit tree upper end, the online space of fruit tree branch leaf passing boundary mark, the two is crisscross to alternate, make boundary mark net stably adhere to in the fruit tree upper end, the difficult condition that drops because of wind-force or other external factors take place, thereby conveniently provide visual mark for people.
Further, the interior of the dispersed liquid spraying strip is also fixedly connected with a soluble sealing layer, the soluble sealing layer is positioned between the meltable film-carrying layer and the water spraying hole, the soluble sealing layer is made of water-soluble materials, the soluble sealing layer provides a second resealing function for the port of the dispersed spray bar on the basis of the meltable carrier film layer, when the plastic film is melted under the heating action, the purified water entering the dispersed liquid spraying strips can be subjected to the temporary plugging action of the soluble sealing layer, after the soluble sealing layer is gradually dissolved in the purified water, the purified water begins to largely flow into the dispersion spray strips to gradually spread the dispersion spray strips, the dissolving process of the soluble sealing layer provides buffer time for the throwing preparation work of the boundary marking net, so that the boundary marking net is not easy to unfold in the process of stopping heating and starting throwing, and the throwing process can be smoothly carried out.
Further, it is adjacent a plurality of evenly distributed's of fixedly connected with spacing net rope between the dispersion hydrojet strip, it is a plurality of the length of spacing net rope is along the direction of keeping away from stock solution inflation bag crescent gradually, and spacing net rope plays the effect of connecting dispersion hydrojet strip, makes dispersion hydrojet strip evenly dispersed outwards expand on the one hand, and on the other hand has increased the intensive nature of boundary marking net, makes boundary marking net can realize interlude each other with fruit branch leaf to cover in the fruit tree upper end steadily.
Furthermore, dispersion liquid spray strip and spacing net rope all adopt the light surface fabric material to make, are difficult for causing the destruction to the fruit tree when making dispersion liquid spray strip and spacing net rope cover in the fruit tree upper end, the surface of stock solution inflation bag, dispersion liquid spray strip and spacing net rope all scribbles colored organic coating, conveniently provides the suggestion of geographical position for people through the colour that is obvious.
Further, the maximum outer ring diameter of the liquid storage expansion bag is 0.9-1.1 m, the length of the dispersed liquid spraying strips is 3-5 m, the width of the dispersed liquid spraying strips is 3-4 cm, and the aperture of the water spraying holes is 2-3 mm.
Further, unmanned aerial vehicle includes wireless communication system, GPS positioning system, image monitoring system, image acquisition system and dispensing system.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is passed through unmanned aerial vehicle and is monitored and data acquisition to the fruit tree growth state of any period, realize the monitoring and the analysis of fruit tree growth state, and in the monitoring process, through put in the border mark net to the orchard abnormal growth region surrounding type, when not destroying the normal growth of fruit tree, obviously accurately cover in unusual fruit tree upper end, thereby enclose the unusual growth region of fruit tree fast accurately, for provide the vision scope instruction for regulating and control the fruit tree growth, make people can carry out growth management to unusual fruit tree fast accurately.
(2) And S3, before putting the boundary mark net, heating the boundary mark net at the temperature of 60-70 degrees.
(3) The boundary marking net comprises a liquid storage expansion bag, the outer end of the liquid storage expansion bag is fixedly connected with a plurality of uniformly distributed dispersed liquid spraying strips, the dispersed liquid spraying strips are communicated with the interior of the liquid storage expansion bag, the liquid storage expansion bag is made of elastic materials, purified water is filled in the liquid storage expansion bag, a meltable carrier film layer is fixedly connected to the interior of the dispersed liquid spraying strips, the meltable carrier film layer is positioned at a port, close to the liquid storage expansion bag, of the dispersed liquid spraying strips, the meltable carrier film layer comprises a pair of plastic films and a hard carrier net fixedly connected between the pair of plastic films, the plastic films are made of polyvinyl acetate materials with the melting point of 40-60 degrees, the hard carrier net plays a role in connecting, fixing and supporting for the plastic films, and in a normal state, the plastic films keep a solid film state, the meshes of the hard carrier net are blocked, and the port of the dispersed liquid spraying strips, the purified water in the liquid storage expansion capsule is prevented from entering the dispersed liquid spraying strips, so that the dispersed liquid spraying strips can be in a contraction state under the external force, the volume of the whole boundary marking net is reduced, and the placement and the storage before the throwing are convenient.
(4) The dispersed liquid spraying strips are provided with a plurality of water spraying holes which are uniformly distributed and communicated with the outside, the water spraying holes are positioned at one side of the meltable film carrying layer far away from the liquid storage expansion bag, when the dispersed liquid spraying strips need to be thrown in, the water carrying layer is firstly heated to ensure that the plastic film is gradually softened until the plastic film is melted, and the meshes of the hard carrier net are exposed and can allow water to pass through, so that when the boundary marking net is thrown in and landed, water in the liquid storage expansion bag enters the dispersed liquid spraying strips through the meshes of the hard carrier net due to the extrusion action under the elastic contraction action of the liquid storage expansion bag, on one hand, the dispersed liquid spraying strips are gradually extended, the volume of the boundary marking net is gradually enlarged, the boundary marking net is gradually changed into an unfolded state from a contracted state to be conveniently covered on the upper end of a fruit tree, on the other hand, the boundary marking net is, the accuracy of putting in of boundary mark net has been increased, and, along with the descending of boundary mark net, the pure water constantly sprays through the hole for water sprayings and forms, the water yield constantly reduces, make boundary mark net finally with the light, slow state covers in the fruit tree upper end, be difficult for causing the damage to the fruit tree, boundary mark net covers behind the fruit tree upper end, the online space of fruit tree branch leaf passing boundary mark, the two is crisscross to alternate, make boundary mark net stably adhere to in the fruit tree upper end, the difficult condition that drops because of wind-force or other external factors take place, thereby conveniently provide visual mark for people.
(5) The interior of the dispersed liquid spraying strip is also fixedly connected with a soluble sealing layer, the soluble sealing layer is positioned between the meltable film carrying layer and the water spraying holes, the soluble sealing layer is made of a water-soluble material, the soluble sealing layer provides a second sealing effect for the ports of the dispersed liquid spraying strip on the basis of the meltable film carrying layer, purified water entering the dispersed liquid spraying strip can be subjected to a temporary blocking effect of the soluble sealing layer after the plastic film is melted under the heating effect, after the soluble sealing layer is gradually dissolved in the purified water, the purified water begins to flow into the dispersed liquid spraying strip in a large amount, so that the dispersed liquid spraying strip is gradually unfolded, and a buffer time is provided for the putting preparation work of the boundary marking net through the dissolving process of the soluble sealing layer, so that the boundary marking net is not easy to unfold in the process of stopping heating and starting to put in, and the putting process can be.
(6) A plurality of evenly distributed limiting net ropes are fixedly connected between adjacent dispersing liquid spraying strips, the lengths of the limiting net ropes are gradually increased along the direction far away from the liquid storage expansion bag, the limiting net ropes play a role in connecting the dispersing liquid spraying strips, on one hand, the dispersing liquid spraying strips are uniformly dispersed and outwards unfolded, on the other hand, the density of the boundary marking net is increased, the boundary marking net can be mutually alternated with fruit tree branches and leaves, and therefore the boundary marking net can stably cover the upper end of a fruit tree.
(7) The dispersing liquid spraying strips and the limiting net ropes are made of light fabric materials, so that the dispersing liquid spraying strips and the limiting net ropes are not easy to damage fruit trees when covering the upper ends of the fruit trees, the outer surfaces of the liquid storage expansion bags, the dispersing liquid spraying strips and the limiting net ropes are coated with colored organic coatings, and the warning of geographical positions is conveniently provided for people through obvious colors.
(8) The maximum outer ring diameter of the liquid storage expansion capsule is 0.9-1.1 m, the length of the dispersed liquid spraying strip is 3-5 m, the width of the dispersed liquid spraying strip is 3-4 cm, and the aperture of the water spraying hole is 2-3 mm.
Drawings
FIG. 1 is a perspective view of an unmanned aerial vehicle during monitoring according to the present invention;
FIG. 2 is a perspective view of the border marker web of the present invention as it is retracted;
FIG. 3 is a schematic front view of a border marker net according to the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic front view of a meltable carrier film layer according to the present invention;
FIG. 6 is a perspective view of the border marker net of the present invention when deployed;
fig. 7 is a system block diagram of the drone in the present invention.
The reference numbers in the figures illustrate:
1 liquid storage expansion bag, 2 dispersed liquid spraying strips, 201 water spraying holes, 3 limiting net ropes, 4 meltable carrier film layers, 41 plastic films, 42 hard carrier nets and 5 soluble sealing layers.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, a fruit tree growth monitoring method based on an unmanned aerial vehicle low-altitude remote sensing technology includes the following steps:
s1, making an optimal aerial photography monitoring route and a plurality of standby aerial photography routes according to the area distribution of the orchard;
s2, remotely controlling the unmanned aerial vehicle to sail over the orchard through the wireless remote control equipment terminal according to the optimal aerial photography monitoring route, shooting and collecting image data of fruit trees, and displaying monitoring pictures on the wireless remote control equipment terminal;
s3, when the growth of fruit trees in a certain area is observed to be abnormal through vision on a monitoring picture, controlling the unmanned aerial vehicle to fly above the area, circularly flying along the boundary of the area, and simultaneously throwing a boundary marking net downwards at intervals;
s4, after the unmanned aerial vehicle surrounds the area for a circle, the unmanned aerial vehicle flies back to the aerial photography interruption point, continues flying along the aerial photography monitoring route, and acquires the image data of the fruit tree.
In S3, before the boundary marker net is put into the machine, the boundary marker net is heated, the heating temperature is 70 degrees, and the standby aerial route in S1 has the following functions: when causing unmanned aerial vehicle to be unable to continue to take photo by plane along best aerial photography monitoring route because of external environment factor and carrying out the navigation, steerable unmanned aerial vehicle gets into some nearest reserve route of taking photo by plane and sails this moment, makes unmanned aerial vehicle be difficult for taking photo by plane the condition of interrupt because of the route accident takes place.
Referring to fig. 2, 3 and 4, the boundary marking net includes a liquid storage expansion bag 1, the outer end of the liquid storage expansion bag 1 is fixedly connected with a plurality of uniformly distributed dispersed liquid spraying strips 2, the dispersed liquid spraying strips 2 are communicated with the interior of the liquid storage expansion bag 1, the liquid storage expansion bag 1 is made of an elastic material, purified water is filled in the liquid storage expansion bag 1, a meltable carrier film layer 4 is fixedly connected to the interior of the dispersed liquid spraying strips 2, the meltable carrier film layer 4 is located at a port of the dispersed liquid spraying strips 2 close to the liquid storage expansion bag 1, the meltable carrier film layer 4 includes a pair of plastic films 41 and a rigid carrier net 42 fixedly connected between the pair of plastic films 41, the plastic films 41 are made of a polyvinyl acetate material with a melting point of 40-60 degrees, the rigid carrier net 42 plays a role in connecting, fixing and supporting the plastic films 41, and in a normal state, the plastic films 41 maintain a solid, the meshes of the hard carrier net 42 are blocked, the meltable carrier film layer 4 has a sealing effect on the ports of the dispersed liquid spray strips 2, and purified water in the liquid storage expansion capsule 1 is prevented from entering the dispersed liquid spray strips 2, so that the dispersed liquid spray strips 2 can be in a contraction state under external force, the size of the whole boundary marking net is reduced, and the placement and storage before the throwing are convenient.
Referring to fig. 4, a plurality of uniformly distributed water spraying holes 201 communicated with the outside are formed on the dispersed liquid spraying strips 2, the water spraying holes 201 are located on one side of the meltable carrier film layer 4 far away from the liquid storage expansion bag 1, when the dispersed liquid spraying strips are required to be thrown, the water spraying holes 201 are firstly heated to gradually soften the plastic film 41 until the plastic film is melted, and the meshes of the hard carrier net 42 are exposed to allow water to pass through, so that when the boundary marking net is thrown and landed, water in the liquid storage expansion bag 1 is dispersed into each dispersed liquid spraying strip 2 through the meshes of the hard carrier net 42 under the action of extrusion in the elastic contraction of the liquid storage expansion bag 1, on one hand, the dispersed liquid spraying strips 2 are gradually extended, the boundary marking net is expanded in size and gradually changed from the contracted state to the expanded state to be conveniently covered on the upper end of a fruit tree, on the other hand, the boundary marking net is land, it influences and takes place the offset to be difficult for receiving wind-force, the accuracy of putting in of boundary mark net has been increased, and, along with the descending of boundary mark net, the pure water constantly sprays through hole for water spraying 201 and forms, the water yield constantly reduces, make boundary mark net finally cover in the fruit tree upper end with the light, slow state, be difficult for causing the damage to the fruit tree, boundary mark net covers behind the fruit tree upper end, the online space of fruit branch leaf passing boundary mark, the two is crisscross to alternate, make boundary mark net stably adhere to in the fruit tree upper end, be difficult for taking place the condition that drops because of wind-force or other external factors, thereby conveniently provide the visual mark for people.
Referring to fig. 4, a soluble sealing layer 5 is fixedly connected inside the dispersed spray bar 2, the soluble sealing layer 5 is located between the meltable carrier film layer 4 and the water spraying hole 201, the soluble sealing layer 5 is made of a water-soluble material, the soluble sealing layer 5 provides a second sealing effect for the port of the dispersed spray bar 2 on the basis of the meltable carrier film layer 4, when the plastic film 41 is melted under the heating effect, purified water entering the dispersed spray bar 2 is subjected to a temporary blocking effect by the soluble sealing layer 5, when the soluble sealing layer 5 is gradually dissolved in purified water, a large amount of purified water starts to flow into the dispersed spray bar 2 to gradually spread the dispersed spray bar 2, a buffering time is provided for the preparation work of the boundary marker net by the dissolving process of the soluble sealing layer 5, so that the boundary marker net is not easily spread during the process of stopping heating and starting to throw, the throwing process can be smoothly carried out.
Referring to fig. 6, a plurality of evenly distributed limiting net ropes 3 are fixedly connected between adjacent dispersed liquid spraying strips 2, the lengths of the limiting net ropes 3 are gradually increased along the direction away from the liquid storage expansion bag 1, and the limiting net ropes 3 play a role in connecting the dispersed liquid spraying strips 2, so that the dispersed liquid spraying strips 2 are uniformly and dispersedly unfolded outwards on one hand, and the density of the boundary marking net is increased, so that the boundary marking net can be mutually inserted with fruit branches and leaves, and the upper end of a fruit tree is stably covered.
The dispersion liquid spraying strips 2 and the limiting net ropes 3 are made of light fabric materials, the dispersion liquid spraying strips 2 and the limiting net ropes 3 are not easy to damage fruit trees when covering the upper ends of the fruit trees, the liquid storage expansion bag 1, the outer surfaces of the dispersion liquid spraying strips 2 and the limiting net ropes 3 are coated with colored organic coatings, the prompt of geographical positions is conveniently provided for people through obvious colors, the maximum outer ring diameter of the liquid storage expansion bag 1 is 1m, the length of the dispersion liquid spraying strips 2 is 3m, the width of the dispersion liquid spraying strips 2 is 3cm, and the aperture of the water spraying holes 201 is 2.5 mm.
The unmanned aerial vehicle comprises a wireless communication system, a GPS positioning system, an image monitoring system, an image acquisition system and a delivery system.
The invention monitors and collects data of the growth state of the fruit trees in any period by the unmanned aerial vehicle, realizes the monitoring and analysis of the growth state of the fruit trees, obviously and accurately covers the upper ends of the abnormal fruit trees while not damaging the normal growth of the fruit trees by putting the boundary marking net around the abnormal growth area of the orchard in the monitoring process, thereby quickly and accurately enclosing the abnormal growth area of the fruit trees, providing visual range indication for regulating and controlling the growth of the fruit trees and enabling people to quickly and accurately carry out growth management on the abnormal fruit trees.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A fruit tree growth monitoring method based on an unmanned aerial vehicle low-altitude remote sensing technology is characterized by comprising the following steps: the method comprises the following steps:
s1, making an optimal aerial photography monitoring route and a plurality of standby aerial photography routes according to the area distribution of the orchard;
s2, remotely controlling the unmanned aerial vehicle to sail over the orchard through the wireless remote control equipment terminal according to the optimal aerial photography monitoring route, shooting and collecting image data of fruit trees, and displaying monitoring pictures on the wireless remote control equipment terminal;
s3, when the growth of fruit trees in a certain area is observed to be abnormal through vision on a monitoring picture, controlling the unmanned aerial vehicle to fly above the area, circularly flying along the boundary of the area, and simultaneously throwing a boundary marking net downwards at intervals;
s4, after the unmanned aerial vehicle surrounds the area for a circle, the unmanned aerial vehicle flies back to the aerial photography interruption point, continues flying along the aerial photography monitoring route, and acquires the image data of the fruit tree.
2. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 1, characterized in that: in S3, before the border marker net is put into the container, the border marker net is heated at a temperature of 60 ° to 70 °.
3. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 1, characterized in that: the boundary marking net comprises a liquid storage expansion bag (1), the outer end of the liquid storage expansion bag (1) is fixedly connected with a plurality of uniformly distributed dispersed liquid spraying strips (2), and the dispersed liquid spraying strips (2) are communicated with the interior of the liquid storage expansion bag (1).
4. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 3, wherein: the liquid storage expansion bag (1) is made of elastic materials, purified water is filled in the liquid storage expansion bag (1), a meltable carrier film layer (4) is fixedly connected to the interior of the dispersed liquid spraying strip (2), the meltable carrier film layer (4) is located at a port, close to the liquid storage expansion bag (1), of the dispersed liquid spraying strip (2), the meltable carrier film layer (4) comprises a pair of plastic films (41) and a hard carrier net (42) fixedly connected between the pair of plastic films (41), and the plastic films (41) are made of polyvinyl acetate materials with the melting point of 40-60 degrees.
5. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 4, wherein: the dispersing liquid spraying strips (2) are provided with a plurality of uniformly distributed water spraying holes (201) communicated with the outside, and the water spraying holes (201) are positioned on one side of the meltable carrier film layer (4) far away from the liquid storage expansion bag (1).
6. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 5, wherein: the interior of the dispersed liquid spraying strip (2) is also fixedly connected with a soluble sealing layer (5), the soluble sealing layer (5) is positioned between the meltable carrier film layer (4) and the water spraying holes (201), and the soluble sealing layer (5) is made of water-soluble materials.
7. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 3, wherein: a plurality of evenly distributed limiting net ropes (3) are fixedly connected between the adjacent dispersed liquid spraying strips (2), and the length of the limiting net ropes (3) is gradually increased along the direction far away from the liquid storage expansion bag (1).
8. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 7, wherein: the dispersion liquid spraying strips (2) and the limiting net ropes (3) are made of light fabric materials, and the outer surfaces of the liquid storage expansion bag (1), the dispersion liquid spraying strips (2) and the limiting net ropes (3) are coated with colored organic coatings.
9. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 5, wherein: the maximum outer ring diameter of the liquid storage expansion bag (1) is 0.9-1.1 m, the length of the dispersed liquid spray strips (2) is 3-5 m, the width of the dispersed liquid spray strips (2) is 3-4 cm, and the aperture of the water spray holes (201) is 2-3 mm.
10. The fruit tree growth monitoring method based on the unmanned aerial vehicle low-altitude remote sensing technology as claimed in claim 1, characterized in that: the unmanned aerial vehicle comprises a wireless communication system, a GPS positioning system, an image monitoring system, an image acquisition system and a delivery system.
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| CN108801350A (en) * | 2018-06-22 | 2018-11-13 | 江苏省农业科学院 | A kind of fruit tree growth monitoring system based on unmanned plane Technology of low altitude remote sensing |
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| CN108801350A (en) * | 2018-06-22 | 2018-11-13 | 江苏省农业科学院 | A kind of fruit tree growth monitoring system based on unmanned plane Technology of low altitude remote sensing |
| CN109991911A (en) * | 2019-05-05 | 2019-07-09 | 西安邮电大学 | A kind of orchard comprehensive monitoring system based on Internet of Things |
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