CN112758341A

CN112758341A - Mapping machine is taken photo by plane to unmanned aerial vehicle in farmland

Info

Publication number: CN112758341A
Application number: CN202110000907.8A
Authority: CN
Inventors: 孙小光; 杨浓浓; 颜念
Original assignee: Guangdong Hongtu Planning And Design Co ltd
Current assignee: Guangdong Hongtu Planning And Design Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-05-07
Anticipated expiration: 2041-01-04
Also published as: CN112758341B

Abstract

The invention discloses a farmland unmanned aerial vehicle aerial photography surveying and mapping machine, which structurally comprises a surveying and mapping host machine, an air guide strip, a windshield and fan blades, wherein the air guide strip is welded at the upper end of the surveying and mapping host machine, the windshield is arranged on the outer side of the surveying and mapping host machine, a positioning ball at the lower end of a swing rod is positioned and rotated in the upper end of the aerial photography machine in the process of shooting by the aerial photography machine, the positioning ball is buffered by a sponge mat and a buffer spring, the length of a supporting rod is changed by a telescopic hose, so that a contact piece is tightly abutted against the outer side surface of the aerial photography machine, the aerial photography machine is ensured to be always kept in a vertical direction for shooting, the gravity ball is used for applying gravity balance to the middle end of the bottom of the aerial photography machine, the bottom of the aerial photography machine is subjected to vertical downward gravity, the wind power at the outer side of the aerial photography machine is collected by a, the phenomenon that the aerial photographing machine shakes due to wind power blowing is reduced, and the stability and the clarity of images formed after the aerial photographing machine shoots are guaranteed.

Description

Mapping machine is taken photo by plane to unmanned aerial vehicle in farmland

Technical Field

The invention relates to the field of agricultural development surveying and mapping instruments, in particular to an aerial surveying and mapping machine for a farmland unmanned aerial vehicle.

Background

An aerial surveying and mapping machine of a farmland unmanned aerial vehicle takes an unmanned aerial vehicle as an aerial platform, takes an airborne remote sensing device and then passes through the aerial surveying and mapping machine, the crops in the farmland are shot, the images can be analyzed by the video analysis unit, the length and the width of the farmland are measured, thereby surveying and mapping the area of the farmland, but because the unmanned aerial vehicle aerial surveying and mapping machine needs to fly in the high altitude above the farmland, in the flying process, the unmanned aerial vehicle often encounters wind blowing to cause the unmanned aerial vehicle to be subjected to air resistance in flying, thereby leading the unmanned aerial vehicle to shake in high-rise flight, leading the aerial photography mapping machine arranged at the lower end of the unmanned aerial vehicle to generate certain shake, leading the image formed after the aerial photography mapping machine shoots to generate certain distortion after the shake occurs, the image and the normal length and width matching degree of the farmland are reduced, and the accuracy of surveying and mapping the farmland area is reduced.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: this farmland unmanned aerial vehicle mapping machine of taking photo by plane, its structure includes mapping host, wind-guiding strip, windshield, flabellum, the welding of mapping host upper end has the wind-guiding strip to the mapping host outside is equipped with the windshield, the inside flabellum that is equipped with of windshield to the flabellum is connected with the inside electricity of mapping host, the mapping host includes casing, the machine of taking photo by plane, anti-shake device, the welding of casing upper end has the wind-guiding strip to casing outside end is equipped with the windshield, the machine of taking photo by plane is located the casing lower extreme to the machine of taking photo by plane is installed inside the anti-shake device, anti-shake device upper end is connected with casing lower extreme is inside, windshield and flabellum all are equipped with four to establish on four corners around the.

As a further improvement of the invention, the anti-shake device comprises a slow-swing device, an external device and a stabilizing device, wherein the upper end of the slow-swing device is installed inside the lower end of the casing in a clearance fit mode, the lower end of the slow-swing device is installed inside the upper end of the aerial photography machine in a clearance fit mode, the upper end of the external device is installed inside the lower end of the casing, the lower end of the external device is connected with the inside of the right side of the aerial photography machine, the external device is located on the outer side of the slow-swing device, the slow-swing device and the external device are both located on the inner side of the stabilizing device, the upper end of the stabilizing device is installed inside the lower end of the casing, the lower end of the stabilizing device is fixed with the bottom of the.

The aerial photographing device comprises an arc rod, a pressure spring, a swing rod, a positioning ball, a spongy cushion and a buffer spring, wherein the arc rod is installed inside the lower end of a casing in a clearance fit mode, the pressure springs are welded at the left end and the right end of the arc rod, the arc rod is welded with the top end of the swing rod, the lower end of the swing rod is welded with the positioning ball, the spongy cushion is tightly attached to the outer side surface of the positioning ball, the buffer spring is arranged on the outer side surface of the spongy cushion, the positioning ball is installed inside the upper end of the aerial photographing machine in a clearance fit mode, the outer side end of the buffer spring is abutted against the inner wall of the upper end of the aerial photographing machine, the swing rod and the aerial photographing machine are in a vertical angle in the initial state, seven buffer springs are arranged on the outer side of the lower end of.

As a further improvement of the aerial photography device, the external device comprises a rotating ball, a support rod, a telescopic hose, a contact piece and a hinge piece, wherein the rotating ball is installed inside the lower end of the shell in a clearance fit mode and welded to the top of the support rod, the telescopic hose is arranged at the middle end of the support rod, the contact piece is arranged at the lower end of the support rod and attached to the outer side face of the aerial photography device, the hinge piece is arranged at the lower end of the support rod and located on the left side of the contact piece, the hinge piece is hinged to the inner portion of the outer side end of the aerial photography device, the telescopic hose is of a corrugated structure and made of rubber materials, and the telescopic hose has certain.

As a further improvement of the invention, the stabilizing device comprises a circulation cover, vent holes, a connecting block and a gravity mechanism, wherein the connecting block is arranged at the upper end of the circulation cover, the outer side end of the connecting block is fixed with the inner part of the lower end of the shell, the vent holes penetrate through the inside of the circulation cover, the gravity mechanism is arranged in the inner part of the lower end of the circulation cover, the upper end of the gravity mechanism is fixed with the bottom of the aerial photography machine, the circulation cover is of an arc-shaped surface structure, and eleven vent holes are formed in each vent hole and are uniformly distributed in the circulation cover in an arc-shaped.

As a further improvement of the invention, the gravity mechanism comprises a gravity ball, connecting rods, rotating shafts and rotating plates, wherein the top of the gravity ball is fixed with the bottom of the aerial photography machine, the connecting rods are arranged at the outer ends of the gravity ball, the front ends of the connecting rods are provided with the rotating shafts, the outer sides of the rotating shafts are welded with the rotating plates, the number of the connecting rods is two, the two connecting rods are respectively arranged at the left end and the right end of the gravity ball and are fixed with the inner parts of the left side and the right side of the circulation cover, the number of the rotating shafts is two, the two rotating shafts are respectively arranged in the middle of the two connecting rods, the number of the rotating plates is eight.

The invention has the beneficial effects that:

1. the in-process of taking photo by plane is meetting when the strong wind, and the location ball of pendulum rod lower extreme is fixed a position in the inside rotation of taking photo by plane machine upper end, cushions it through foam-rubber cushion and buffer spring, and the length of bellows pulling fulcrum bar changes to make to support the contact and carry out closely contradicting with the outside surface of taking photo by plane, ensure that the machine of taking photo by plane remains throughout and shoot in vertical position, prevent that the image that the machine of taking photo by plane formed after shooing from producing the distortion.

2. Exert gravity balance through the gravity ball to the bottom middle-end of machine of taking photo by plane for the bottom of taking photo by plane receives vertical decurrent gravity, collects the wind-force in the machine outside of taking photo by plane through the circulation cover when meetting the strong wind, and the wind-force that will blow the machine of taking photo by plane through the ventilation hole carries out rapid scattering, reduces the machine of taking photo by plane and blows and produce and rock by the wind-force, ensures that the image that the machine of taking photo by plane formed after shooing is more steady clear.

Drawings

Fig. 1 is a schematic structural diagram of an aerial surveying and mapping machine for a farmland unmanned aerial vehicle.

Fig. 2 is a schematic structural diagram of a surveying and mapping host according to the present invention.

Fig. 3 is a schematic structural diagram of an anti-shake apparatus according to the present invention.

Fig. 4 is a schematic structural diagram of a slow swing device according to the present invention.

Fig. 5 is a schematic structural diagram of an external device according to the present invention.

FIG. 6 is a schematic top view of a stabilizer of the present invention.

Fig. 7 is a schematic structural diagram of a gravity mechanism according to the present invention.

In the figure: the device comprises a surveying and mapping host machine-1, an air guide strip-2, a windshield-3, fan blades-4, a machine shell-11, an aerial photography machine-12, an anti-shake device-13, a slow swing device-131, an external device-132, a stabilizing device-133, an arc rod-31 a, a pressure spring-31 b, a swing rod-31 c, a positioning ball-31 d, a sponge pad-31 e, a buffer spring-31 f, a rotating ball-32 a, a supporting rod-32 b, a telescopic hose-32 c, an interference sheet-32 d, a hinge sheet-32 e, a circulation cover-331, a vent hole-332, a connecting block-333, a gravity mechanism-334, a gravity ball-34 a, a connecting rod-34 b, a rotating shaft-34 c and a rotating plate-34 d.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 5:

the invention relates to a farmland unmanned aerial vehicle aerial surveying and mapping machine, which structurally comprises a surveying and mapping host machine 1, an air guide strip 2, a windshield 3 and fan blades 4, wherein the air guide strip 2 is welded at the upper end of the surveying and mapping host machine 1, a wind shield 3 is arranged on the outer side of the surveying and mapping host 1, a fan blade 4 is arranged in the wind shield 3, the fan blade 4 is electrically connected with the interior of the surveying and mapping host 1, the surveying and mapping host 1 comprises a casing 11, an aerial photography machine 12 and an anti-shaking device 13, wherein the upper end of the casing 11 is welded with an air guide strip 2, and the outer side end of the machine shell 11 is provided with a windshield 3, the aerial photography machine 12 is positioned at the lower end of the machine shell 11, the aerial photography machine 12 is arranged in the anti-shake device 13, the upper end of the anti-shake device 13 is connected with the inner part of the lower end of the machine shell 11, the wind cap 3 and the fan blades 4 are respectively provided with four, and set up on four corners around survey and drawing host computer 1, ensure survey and drawing host computer 1 more steady in the in-process of flying.

Wherein, the anti-shake device 13 comprises a slow swing device 131, an external device 132 and a steady device 133, the upper end of the slow swing device 131 is arranged in the lower end of the machine shell 11 by clearance fit, the lower end of the slow swinging device 131 is arranged inside the upper end of the aerial photography machine 12 in a clearance fit mode, the upper end of the external device 132 is arranged inside the lower end of the machine shell 11, and the lower end of the external device 132 is connected with the inside of the right side of the aerial camera 12, the external device 132 is located outside the slow swing device 131, the sway mitigation device 131 and the external device 132 are both located inside the calming device 133, and the upper end of the smoothing device 133 is arranged in the lower end of the machine shell 11, the lower end of the smoothing device 133 is fixed with the bottom of the aerial photography machine 12, the external device 132 is provided with two, establishes respectively in the left and right sides of the machine of taking photo by plane 12, ensures that both ends can keep steady about the machine of taking photo by plane 12, reduces rocking of both ends about the machine of taking photo by plane 12.

Wherein, the slow swing device 131 comprises an arc rod 31a, a pressure spring 31b, a swing rod 31c, a positioning ball 31d, a spongy cushion 31e and a buffer spring 31f, the arc rod 31a is installed inside the lower end of the casing 11 in a clearance fit manner, the pressure springs 31b are welded at the left end and the right end of the arc rod 31a, the arc rod 31a is welded with the top end of the swing rod 31c, the lower end of the swing rod 31c is welded with the positioning ball 31d, the spongy cushion 31e is tightly attached to the outer side surface of the positioning ball 31d, the buffer spring 31f is arranged on the outer side surface of the spongy cushion 31e, the positioning ball 31d is installed inside the upper end of the aerial photography machine 12 in a clearance fit manner, the outer side end of the buffer spring 31f is abutted against the inner wall of the upper end of the aerial photography machine 12, the swing rod 31c is at a vertical angle with the initial state of the aerial photography machine 12, seven buffer springs 31f are distributed in the inside of the upper end of the aerial photography machine 12 in an arc shape, and when wind blows the aerial photography machine 12 to shake, the buffer springs 31f can buffer the inside of the upper end of the aerial photography machine 12 in time, so that the aerial photography machine 12 and the swing rod 31c can be quickly restored to a vertical state, and the aerial photography machine 12 is prevented from being too large in swinging amplitude under wind force.

Wherein, the external device 132 comprises a rotating ball 32a, a supporting rod 32b, a flexible hose 32c, a contact piece 32d and a hinge piece 32e, the rotating ball 32a is installed inside the lower end of the housing 11 in a clearance fit manner, the rotating ball 32a is welded on the top of the supporting rod 32b, the flexible hose 32c is arranged at the middle end of the supporting rod 32b, a contact piece 32d is arranged at the lower end of the supporting rod 32b, the contact piece 32d is attached to the outer side surface of the aerial camera 12, the hinge piece 32e is arranged at the lower end of the supporting rod 32b and is positioned at the left side of the contact piece 32d, the hinge piece 32e is hinged with the inner part of the outer side end of the aerial camera 12, the flexible hose 32c is of a fold structure and is made of rubber material, has a certain resilience, and ensures that the length between the supporting rods 32b can be adjusted, so as to perform quick pull-return after the two ends of, so that the aerial camera 12 always keeps the horizontal state for shooting.

The specific use mode and function of the embodiment are as follows:

in the invention, the surveying and mapping host 1 drives the fan blades 4 to rotate, so that the surveying and mapping host 1 is driven to fly in the high air of a farmland, during the flying process, the aerial photography machine 12 shoots the farmland, during the shooting process of the aerial photography machine 12, when strong wind occurs, the arc rod 31a swings to extrude the pressure spring 31b, at the moment, the positioning ball 31d at the lower end of the swing rod 31c performs positioning rotation in the upper end of the aerial photography machine 12, the sponge cushion 31e and the buffer spring 31f buffer the positioning ball, so that the aerial photography machine 12 and the swing rod 31c quickly recover to be in a vertical state, the aerial photography machine 12 is ensured not to be subjected to overlarge wind power swinging amplitude, meanwhile, the rotating balls 32a on the outer sides of the left and right ends of the aerial photography machine 12 rotate, the telescopic hose 32c pulls the length of the supporting rod 32b to change, and the contact piece 32d is tightly abutted against the outer side surface of the aerial photography machine, the hinged sheet 32e can enable the angle between the support rod 32b and the inside of the aerial camera 12 to be finely adjusted, so that the aerial camera 12 is always kept in a vertical direction for shooting, the aerial camera 12 is prevented from shaking due to strong wind, and the image formed after the aerial camera 12 shoots is prevented from being distorted.

Example 2:

as shown in fig. 6 to 7:

wherein, stabilising arrangement 133 is including circulation cover 331, ventilation hole 332, connecting block 333, gravity mechanism 334, circulation cover 331 upper end is equipped with connecting block 333 to connecting block 333 outside end is fixed mutually with casing 11 lower extreme is inside, ventilation hole 332 runs through inside circulation cover 331, gravity mechanism 334 is established inside circulation cover 331 lower extreme to gravity mechanism 334 upper end is fixed with aerial photography machine 12 bottom, circulation cover 331 is the arcwall face structure, and ventilation hole 332 is equipped with eleven, is the arc structure evenly distributed inside circulation cover 331, does benefit to and carries out fast the effluvium with the wind-force that blows aerial photography machine 12, reduces aerial photography machine 12 and receives the wind-force to blow.

Wherein the gravity mechanism 334 comprises a gravity ball 34a, a connecting rod 34b, a rotating shaft 34c and a rotating plate 34d, the top of the gravity ball 34a is fixed with the bottom of the aerial camera 12, and a connecting rod 34b is provided at the outer end of the gravity ball 34a, the front end of the connecting rod 34b is provided with a rotating shaft 34c, the outer side of the rotating shaft 34c is welded with the rotating plate 34d, the two connecting rods 34b are respectively arranged at the left end and the right end of the gravity ball 34a, and fixed with the inside of the left and right sides of the circulation cover 331, and the lower end of the aerial photography machine 12 is ensured to be kept in a vertical state by the weight applied by the gravity ball 34a, two rotating shafts 34c are respectively arranged in the middle of the two connecting rods 34b, eight rotating plates 34d are arranged, four rotating plates 34d are arranged in a group at four positions outside the rotating shaft 34c respectively, the wind-blowing rotation plate 34d rotates to reduce the shaking of the wind-blowing aerial camera 12.

The specific use mode and function of the embodiment are as follows:

in the invention, the circulating cover 331 can slightly rotate with the inner part of the lower end of the machine shell 11 through the connection of the connecting blocks 333 at the two ends, the gravity ball 34a applies gravity balance to the middle end of the bottom of the aerial photography machine 12, so that the bottom of the aerial photography machine 12 bears vertical downward gravity, the state that the aerial photography machine 12 keeps a vertical direction is improved, the wind power outside the aerial photography machine 12 is collected through the circulating cover 331 when strong wind occurs, the wind power blowing the aerial photography machine 12 is rapidly dispersed through the vent holes 332, and the wind blowing rotating plate 34d rotates at the same time, so that the wind blowing the aerial photography machine 12 is weakened to shake, the shake caused by the wind blowing of the aerial photography machine 12 is reduced, and the image formed after the aerial photography machine 12 shoots is ensured to be more stable and clear.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a mapping machine is taken photo by plane to farmland unmanned aerial vehicle, its structure includes mapping host computer (1), air guide strip (2), windshield (3), flabellum (4), the welding of mapping host computer (1) upper end has air guide strip (2) to the mapping host computer (1) outside is equipped with windshield (3), windshield (3) inside is equipped with flabellum (4) to flabellum (4) are connected its characterized in that with mapping host computer (1) inside electricity:

survey and drawing host computer (1) includes casing (11), machine (12), anti-shake device (13) of taking photo by plane, casing (11) upper end welding has wind-guiding strip (2) to casing (11) outside end is equipped with windshield (3), machine (12) of taking photo by plane are located casing (11) lower extreme, and install inside anti-shake device (13) in machine (12) of taking photo by plane, anti-shake device (13) upper end is connected with casing (11) lower extreme is inside.

2. The agricultural unmanned aerial vehicle aerial surveying and mapping machine of claim 1, characterized in that: anti-shake device (13) are including slowly putting device (131), external device (132), stabilising arrangement (133), slowly put device (131) upper end and adopt clearance fit to install inside casing (11) lower extreme to slowly put device (131) lower extreme and adopt clearance fit to install inside aerial photography machine (12) upper end, external device (132) upper end is installed inside casing (11) lower extreme, and external device (132) lower extreme and aerial photography machine (12) right side are inside to be connected, external device (132) are located slowly and put device (131) outside, slowly put device (131) and external device (132) and all are located stabilising arrangement (133) inboard, and install inside casing (11) lower extreme in stabilising arrangement (133) upper end, stabilising arrangement (133) lower extreme is fixed with aerial photography machine (12) bottom.

3. The agricultural unmanned aerial vehicle aerial surveying and mapping machine of claim 2, characterized in that: the slow swing device (131) comprises an arc rod (31 a), a pressure spring (31 b), a swing rod (31 c), a positioning ball (31 d), a spongy cushion (31 e) and a buffer spring (31 f), the arc rod (31 a) is arranged in the lower end of the machine shell (11) in a clearance fit manner, and the left end and the right end of the arc rod (31 a) are respectively welded with a pressure spring (31 b), the arc rod (31 a) is welded with the top end of a swing rod (31 c), the lower end of the swing rod (31 c) is welded with a positioning ball (31 d), a sponge cushion (31 e) is tightly attached to the outer side surface of the positioning ball (31 d), a buffer spring (31 f) is arranged on the outer side surface of the sponge cushion (31 e), the positioning ball (31 d) is arranged inside the upper end of the aerial photography machine (12) in a clearance fit way, the outer side end of the buffer spring (31 f) is abutted against the inner wall of the upper end of the aerial photography machine (12).

4. The agricultural unmanned aerial vehicle aerial surveying and mapping machine of claim 2, characterized in that: external device (132) include commentaries on classics ball (32 a), branch (32 b), expansion hose (32 c), support contact (32 d), articulated piece (32 e), change ball (32 a) and adopt clearance fit to install inside casing (11) lower extreme to change ball (32 a) and weld in branch (32 b) top, branch (32 b) middle-end is equipped with expansion hose (32 c), branch (32 b) lower extreme is equipped with and supports contact (32 d), and supports contact (32 d) laminating and aerial photography machine (12) lateral surface, establish at branch (32 b) lower extreme articulated piece (32 e) to articulated piece (32 e) are located and support contact (32 d) left side, articulated piece (32 e) are articulated mutually with aerial photography machine (12) outside end inside.

5. The agricultural unmanned aerial vehicle aerial surveying and mapping machine of claim 2, characterized in that: the stabilizing device (133) comprises a circulation cover (331), a vent hole (332), a connecting block (333) and a gravity mechanism (334), wherein the connecting block (333) is arranged at the upper end of the circulation cover (331), the outer side end of the connecting block (333) is fixed with the inner part of the lower end of the machine shell (11), the vent hole (332) penetrates through the inner part of the circulation cover (331), the gravity mechanism (334) is arranged inside the lower end of the circulation cover (331), and the upper end of the gravity mechanism (334) is fixed with the bottom of the aerial photography machine (12).

6. The agricultural unmanned aerial vehicle aerial surveying and mapping machine of claim 5, characterized in that: the gravity mechanism (334) comprises a gravity ball (34 a), a connecting rod (34 b), a rotating shaft (34 c) and a rotating plate (34 d), the top of the gravity ball (34 a) is fixed with the bottom of the aerial photography machine (12), the connecting rod (34 b) is arranged at the outer side end of the gravity ball (34 a), the rotating shaft (34 c) is arranged at the front end of the connecting rod (34 b), and the outer side of the rotating shaft (34 c) is welded with the rotating plate (34 d).