CN114522954B - Unmanned aerial vehicle mapping equipment that takes photo by plane - Google Patents

Abstract

The application provides unmanned aerial vehicle mapping equipment that takes photo by plane, including unmanned aerial vehicle main part, protecting crust, a plurality of camera, a plurality of shield door and drive module. The protecting crust is connected with the unmanned aerial vehicle main part, and the protecting crust is equipped with a plurality of through-holes of arranging at circumference interval. The cameras are arranged in the protective shell and are movably matched with the protective shell, and the cameras correspond to the through holes respectively; each camera is provided with a first position and a second position which are mutually switched, and when the camera is positioned at the first position, the image acquisition head of the camera is staggered with the corresponding through hole; when the image acquisition head is positioned at the second position, the image acquisition head is opposite to the corresponding through hole. The plurality of dustproof doors are respectively connected with the plurality of cameras, and the plurality of dustproof doors are matched with the plurality of through holes in a one-to-one correspondence manner and are used for synchronously moving with the cameras to close or open the corresponding through holes. The driving module is arranged in the protective shell and used for driving the cameras to synchronously move so as to enable the cameras to be switched between a first position and a second position. Is convenient to control and has high safety.

Description

Unmanned aerial vehicle mapping equipment that takes photo by plane

Technical Field

The invention relates to the technical field of mapping, in particular to unmanned aerial vehicle aerial mapping equipment.

Background

The topographic map mapping method mostly adopts total station, GPS and other devices. Whether it be a total station or GPS, personnel are required to make measurements in the field, limited by the actual geographic environment. With the continuous development of science and technology, advanced digital aerial photogrammetry technology is applied in the geographic information mapping industry, and China has great progress in the unmanned aerial vehicle field in the field, and unmanned aerial vehicle aerial photogrammetry systems are also vigorously developed. The existing unmanned aerial vehicle aerial survey system has the characteristics of high image resolution, short lift-off preparation time, easiness in operation control, low lifting field requirements and high operation efficiency, well solves the difficulties faced by traditional topographic map surveying and mapping, and aerial survey also becomes a new trend of topographic map surveying and mapping.

The inventor researches find that the existing unmanned aerial vehicle for surveying and mapping has the following defects:

the lens is exposed to the external environment and is easy to be polluted.

Disclosure of Invention

The invention aims to provide unmanned aerial vehicle aerial surveying and mapping equipment which can reduce the probability of pollution of a lens, and is convenient to operate and control and high in stability.

Embodiments of the present invention are implemented as follows:

in a first aspect, the present invention provides an unmanned aerial vehicle aerial mapping apparatus, comprising:

an unmanned aerial vehicle main body;

the protection shell is connected with the unmanned aerial vehicle main body and is provided with a plurality of through holes which are arranged at intervals in the circumferential direction;

the plurality of cameras are arranged in the protective shell and are movably matched with the protective shell, and the plurality of cameras respectively correspond to the plurality of through holes; each camera is provided with a first position and a second position which are mutually switched, and when the camera is positioned at the first position, the image acquisition head of the camera is staggered with the corresponding through hole; when the image acquisition head is positioned at the second position, the image acquisition head is opposite to the corresponding through hole;

the dustproof doors are respectively connected with the cameras and are matched with the through holes in a one-to-one correspondence manner, and are used for synchronously moving with the cameras to close or open the corresponding through holes;

and the driving module is arranged in the protective shell and used for driving the cameras to synchronously move so as to enable the cameras to be switched between the first position and the second position.

In an alternative embodiment, the driving module comprises a driver and a plurality of transmission components, the driver is connected with the protective shell, the plurality of transmission components are respectively matched with the plurality of cameras in a one-to-one correspondence manner, and the driver drives the corresponding cameras to switch between the first position and the second position through the transmission components.

In an alternative embodiment, each transmission assembly comprises a first transmission unit and a second transmission unit, and the driver is used for driving the camera to move in a first direction through the first transmission unit and simultaneously driving the camera to move in a second direction through the second transmission unit so that the image acquisition head stretches into the through hole when the camera is in the second position; wherein the first direction and the second direction have an included angle.

In an alternative embodiment, the drive comprises a motor, a positioning shaft and a drive ring; the motor and the positioning shaft are fixedly connected with the protective shell, the driving ring is connected with an output shaft of the motor, and the motor is used for driving the driving ring to rotate; the plurality of cameras are arranged at intervals in the circumferential direction of the positioning shaft;

the first transmission units comprise first transmission blocks and second transmission blocks, the first transmission blocks of the plurality of first transmission units are connected with the driving ring, and the plurality of first transmission blocks are arranged at intervals in the circumferential direction of the driving ring; the second transmission block is connected with the corresponding camera, and the first transmission block is used for propping against the second transmission block so as to drive the camera to slide in the first direction; the second transmission unit comprises a third transmission block and a fourth transmission block, the third transmission block is connected with the second transmission block, the fourth transmission block is connected with the positioning shaft, and the third transmission block is used for propping against the fourth transmission block so as to drive the camera to slide in the second direction.

In an alternative embodiment, a first inclined plane is arranged on the first transmission block, a second inclined plane is arranged on the second transmission block, and the first inclined plane is used for abutting against the second inclined plane; the third transmission block is provided with a third inclined plane, the fourth transmission block is provided with a fourth inclined plane, and the third inclined plane is used for propping against the fourth inclined plane;

the driving module further comprises a plurality of elastic resetting pieces, the elastic resetting pieces are arranged on the protective shell, and the elastic resetting pieces are respectively propped against the cameras and used for enabling the corresponding cameras to have a movement trend of being switched from the second position to the first position.

In an alternative embodiment, the driving module further comprises a guide assembly, the guide assembly comprises a first guide piece, a second guide piece and a third guide piece, the first guide piece is connected with the camera, the second guide piece is slidably connected with the first guide piece in the first direction, the third guide piece is fixedly connected with the positioning shaft, the second guide piece is slidably connected with the third guide piece in the second direction, and the camera and the positioning shaft are relatively fixed in the circumferential direction of the positioning shaft.

In an alternative embodiment, a linear bearing is arranged between the first guide piece and the second guide piece; and a linear bearing is arranged between the second guide piece and the third guide piece.

In an alternative embodiment, the dust door is slidably connected to the protective housing in the first direction, and the dust door and the protective housing are relatively fixed in the second direction; the dustproof door with be equipped with the extensible member between the camera, the one end of extensible member with the camera rotates to be connected, the other end of extensible member with the dustproof door rotates to be connected.

In an alternative embodiment, a rubber layer is arranged on the dustproof door, and the rubber layer is abutted against the inner wall surface of the protective shell.

In an alternative embodiment, the camera has a trigger switch, a plurality of trigger buttons are arranged on the protective shell, the trigger buttons are respectively matched with the cameras, and each trigger button is used for being abutted against the corresponding trigger switch when the camera is in the second position so as to enable the camera to be started.

The embodiment of the invention has the beneficial effects that:

to sum up, this embodiment provides an unmanned aerial vehicle mapping equipment that takes photo by plane, in the use, utilizes unmanned aerial vehicle main part to fly at the setting channel, and in this process, a plurality of cameras remove along with unmanned aerial vehicle main part. When not needing to use the camera to carry out image acquisition operation, when the synchronous motion of a plurality of cameras of drive module drive, make a plurality of cameras all be in the first position, the image acquisition head of camera staggers with the through-hole that corresponds to, the through-hole that corresponds is closed to the dustproof door, so, the image acquisition head of camera is not exposed in the external environment, is difficult for being polluted. And when needing to use the camera to carry out image acquisition, drive module starts, drives a plurality of cameras simultaneous movement and makes every camera all switch to the second position from first position, at this in-process, the through-hole that the dustproof door will correspond is opened to the image acquisition head of camera just in time is located through-hole department, thereby is convenient for gather external image through the through-hole, does benefit to subsequent survey and drawing operation. The multiple cameras can synchronously adjust states as required, and the operation is flexible and convenient. Meanwhile, the camera is located in a relatively airtight environment when not in use, is not easy to pollute, and is high in safety and long in service life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an aerial mapping device of an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a guide assembly according to an embodiment of the present invention.

Icon:

100-unmanned aerial vehicle body; 200-protecting a shell; 210-a through hole; 300-camera; 310-an image acquisition head; 400-dustproof door; 410-telescoping member; 500-a drive module; 510-a driver; 511-positioning the shaft; 512-motor; 513-a drive ring; 520-a guide assembly; 521-first guide; 522-a second guide; 523-a third guide; 530-a transmission assembly; 531-a first drive block; 532—a second drive block; 533-third drive block; 534-a fourth drive block; 540-elastic restoring member; 550-bearing plate; 560-trigger button.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

At present, when carrying the camera with unmanned aerial vehicle and carrying out image acquisition operation, the camera generally exposes in external environment, and the camera is easily polluted, reduces image acquisition definition, shortens life simultaneously.

In view of this, the designer has designed an unmanned aerial vehicle mapping equipment that takes photo by plane, and the position of camera 300 can be adjusted according to the user demand to when not needing to use camera 300, be that the camera lens is located relatively airtight environment, not directly in external environment contact, difficult quilt pollutes, uses safe and reliable, long service life.

Referring to fig. 1, in the present embodiment, the unmanned aerial vehicle aerial mapping apparatus includes an unmanned aerial vehicle main body 100, a protective housing 200, a plurality of cameras 300, a plurality of dust gates 400, and a driving module 500. The shield case 200 is connected with the unmanned aerial vehicle main body 100, and the shield case 200 is provided with a plurality of through holes 210 arranged at intervals in the circumferential direction. The plurality of cameras 300 are arranged in the protective shell 200 and are movably matched with the protective shell 200, and the plurality of cameras 300 respectively correspond to the plurality of through holes 210; each camera 300 has a first position and a second position that are switched to each other, and when in the first position, the image capturing head 310 of the camera 300 is staggered from the corresponding through hole 210; in the second position, the image capture head 310 is directly opposite the corresponding through hole 210. The plurality of dust-proof doors 400 are respectively connected with the plurality of cameras 300, and the plurality of dust-proof doors 400 are in one-to-one correspondence with the plurality of through holes 210 for synchronously moving with the cameras 300 to close or open the corresponding through holes 210. The driving module 500 is disposed in the protective housing 200 and is used for driving the plurality of cameras 300 to synchronously move so as to switch the plurality of cameras 300 between the first position and the second position.

The operation flow of the unmanned aerial vehicle aerial mapping device provided in this embodiment includes, for example:

the unmanned aerial vehicle body 100 is utilized to fly in a set channel, and in the process, the plurality of cameras 300 move together with the unmanned aerial vehicle body 100. When the image capturing operation is not required to be performed by using the cameras 300, the driving module 500 drives the plurality of cameras 300 to move synchronously, so that the plurality of cameras 300 are all in the first position, the image capturing heads 310 of the cameras 300 are staggered from the corresponding through holes 210, and the dust door 400 closes the corresponding through holes 210, so that the image capturing heads 310 of the cameras 300 are not exposed to the external environment and are not easy to be polluted. When the camera 300 is required to be used for image acquisition, the driving module 500 is started to drive the plurality of cameras 300 to synchronously move and enable each camera 300 to be switched from the first position to the second position, in the process, the dustproof door 400 opens the corresponding through hole 210, and the image acquisition head 310 of the camera 300 is just positioned at the through hole 210, so that external images can be acquired through the through hole 210 conveniently, and subsequent mapping operation is facilitated. The plurality of cameras 300 can synchronously adjust states according to needs, and the operation is flexible and convenient. Meanwhile, the camera 300 is located in a relatively airtight environment when not in use, is not easy to pollute, and has high safety and long service life.

It should be noted that, the image capturing heads 310 on each camera 300 may be rotatable, that is, when the image capturing heads 310 are located at positions aligned with the through holes 210, the image capturing heads 310 can rotate relative to the through holes 210 under the control of the rotation mechanism, so as to adjust the image capturing angle of the image capturing heads 310, and the range of the captured images is wider and the application range is wide. In addition, each camera 300 is provided with a trigger switch for opening or closing, and when the conducting strip of the trigger switch is closed, the camera 300 is electrified and can be automatically opened to perform shooting operation. And after the conductive plates of the trigger switch are separated, the camera 300 is powered off and automatically turned off. When the camera 300 is in the first position, the trigger switch is in the off state, and the camera 300 does not operate. And when the camera 300 is in the second position, the trigger switch is in the on state, and the camera 300 operates.

In this embodiment, optionally, the protecting case 200 is a square box, one side surface of the protecting case 200 is attached to the bottom wall of the unmanned aerial vehicle main body 100, and the protecting case 200 may be fixed below the unmanned aerial vehicle main body 100 by using a fastener such as a bolt or a screw. The shield case 200 has four sidewalls in the circumferential direction of the unmanned aerial vehicle body 100, and one through-hole 210 is provided on each sidewall, that is, four through-holes 210 are provided on the shield case 200. It is obvious that in other embodiments, the shape of the protective housing 200 and the number of through holes 210 thereon are set as required, and this embodiment is not listed one by one.

Further, each through hole 210 located on the protective housing 200 is a tapered hole, for example, each through hole 210 is a conical hole, and the cross-sectional diameter of each through hole 210 increases in the direction from the inside to the outside of the protective housing 200, so that the through hole 210 can be matched with the corresponding image capturing head 310, and when the image capturing head 310 rotates to adjust the angle, the through hole 210 is not easy to interfere with the image capturing head 310.

In this embodiment, optionally, the driving module 500 includes a driver 510, a plurality of guiding assemblies 520 and a plurality of transmission assemblies 530, where the plurality of transmission assemblies 530 are connected to the driver 510, the number of the plurality of transmission assemblies 530 is the same as the number of the plurality of cameras 300, the plurality of transmission assemblies 530 are in one-to-one correspondence with the plurality of cameras 300, and the driver 510 drives the plurality of cameras 300 to switch between the first position and the second position through the plurality of transmission assemblies 530. That is, when the driver 510 is started, a plurality of transmission assemblies 530 can be driven to move, and each transmission assembly 530 correspondingly drives one camera 300 to move, so that the camera 300 can be switched between the first position and the second position. Meanwhile, the plurality of cameras 300 are slidably coupled with the shield case 200 through the plurality of guide members 520, respectively, so that the cameras 300 can stably slide in a set direction.

It should be noted that, the number of through holes 210, the number of transmission assemblies 530 and the number of cameras 300 are all equal, for example, in this embodiment, the number of through holes 210 is four, and correspondingly, the number of transmission assemblies 530 is four, and the number of cameras 300 is four.

Further, the driver 510 includes a positioning shaft 511, a motor 512, and a driving ring 513. The positioning shaft 511 is a circular shaft, the positioning shaft 511 is fixed on the protective shell 200, and the bottom of the positioning shaft 511 is fixedly connected with the bottom of the protective shell 200. The motor 512 is disposed at the top of the protective housing 200, and an output shaft of the motor 512 is disposed coaxially with the positioning shaft 511. The driving ring 513 is a circular ring, the driving ring 513 is sleeved outside the positioning shaft 511, and a bearing can be arranged between the driving ring 513 and the positioning shaft 511, so that friction force is reduced. The drive ring 513 is fixedly connected to the output shaft of the motor 512, and when the output shaft of the motor 512 rotates, the drive ring 513 rotates relative to the positioning shaft 511.

Further, each transmission assembly 530 includes a first transmission unit and a second transmission unit, and the driver 510 is configured to drive the camera 300 to move in a first direction through the first transmission unit and drive the camera 300 to move in a second direction through the second transmission unit, so that the image capturing head 310 extends into the through hole 210 when the camera 300 is at the second position; wherein the first direction and the second direction have an included angle. In this embodiment, the first direction is the extending direction of the axis of the positioning shaft 511, and the second direction is the direction perpendicular to the axis of the positioning shaft 511. As shown, the first direction is the direction indicated by arrow s, and the second direction is the direction indicated by arrow t. That is, the camera 300 can perform a combined motion with the cooperation of the first and second transmission units, thereby enabling the image pickup head 310 to be inserted into the corresponding through hole 210 or to be withdrawn from the corresponding through hole 210.

Optionally, the first transmission unit includes a first transmission block 531 and a second transmission block 532, the first transmission blocks 531 of the plurality of first transmission units are all connected with the driving ring 513, and the plurality of first transmission blocks 531 are uniformly spaced in the circumferential direction of the driving ring, and each first transmission block 531 is provided with a first inclined plane. The second transmission blocks 532 are connected with the corresponding cameras 300, and each second transmission block 532 is provided with a second inclined plane, and the first inclined plane on the first transmission block 531 is used for abutting against the second inclined plane on the second transmission block 532 so as to drive the camera 300 to slide in the first direction. The second transmission unit includes a third transmission block 533 and a fourth transmission block 534, the third transmission block 533 is connected with the second transmission block 532, a third inclined plane is provided on the third transmission block 533, the fourth transmission block 534 is connected with the positioning shaft 511, a fourth inclined plane is provided on the fourth transmission block 534, and the third inclined plane on the third transmission block 533 is used for supporting with the fourth inclined plane on the fourth transmission block 534 so as to drive the camera 300 to slide in the second direction. It should be appreciated that the third and fourth transfer blocks 533 and 534 abut while the first and second transfer blocks 531 and 532 abut, that is, the movement of the camera 300 in the first direction and the movement in the second direction are synchronized, and the movement of the camera 300 is smooth and reliable.

Further, each camera 300 is connected to the protective case 200 through a resilient return 540. That is, a plurality of elastic restoring members 540 are disposed on the protective housing 200, and the plurality of elastic restoring members 540 respectively support the plurality of cameras 300, so that the corresponding cameras 300 have a movement tendency to switch from the second position to the second position. That is, in the initial state, the plurality of cameras 300 are all at the first position by the elastic restoring member 540, the image pickup head 310 and the through hole 210 are staggered, and the dust door 400 closes the corresponding through hole 210; when the camera 300 is needed to be used, the driver 510, the first transmission unit and the second transmission unit cooperate to enable the camera 300 to overcome the elastic force of the elastic reset element 540 so as to move from the first position to the second position.

It should be appreciated that the resilient return 540 is provided as a spring or leaf spring or the like.

Referring to fig. 2, in the present embodiment, optionally, the guide assembly 520 includes a first guide 521, a second guide 522, and a third guide 523, where the first guide 521 is connected to the camera 300, and the second guide 522 is slidably connected to the first guide 521 in a first direction, and a linear bearing is disposed between the first guide 521 and the second guide 522 to reduce sliding friction. The third guide 523 is fixedly connected to the positioning shaft 511, the second guide 522 is slidably connected to the third guide 523 in the second direction, and the camera 300 and the positioning shaft 511 are relatively fixed in the circumferential direction of the positioning shaft 511. It should be appreciated that a linear bearing may be provided between the second guide 522 and the third guide 523 to reduce friction. After the driver 510 is activated, the camera 300 is capable of moving synchronously in the first and second directions under the guidance of the guide assembly 520, thereby switching from the first position to the second position.

Optionally, a carrier plate 550 is disposed on the positioning shaft 511, and a plurality of trigger buttons 560 arranged around the positioning shaft 511 are disposed on the carrier plate 550. In this embodiment, the number of trigger buttons 560 is four, corresponding to the trigger switches of the four cameras 300, respectively. When the camera 300 is in the first position, the trigger button 560 is separated from the trigger switch, and the trigger switch is in the off state without abutting the conductive sheet of the trigger switch. When the camera 300 is in the second position, the trigger button 560 is abutted against the trigger switch, and the trigger switch is in the on state, so that the camera 300 can work normally. The starting and the closing of the camera 300 correspond to the position of the camera 300, so that the operation is convenient and safe.

In this embodiment, alternatively, the dust-proof door 400 is slidably engaged with the inner wall surface of the protection housing 200 in the first direction, and the dust-proof door 400 and the protection housing 200 are relatively fixed in the second direction, that is, the dust-proof door 400 is always in sliding contact with the protection housing 200 when the dust-proof door 400 slides relative to the protection housing 200, and the position of the dust-proof door 400 is stable and reliable.

Optionally, the dust door 400 is coupled to the camera 300 via a telescoping member 410. That is, one end of the telescopic member 410 is rotatably connected to the photographing, the other end of the telescopic member 410 is rotatably connected to the dustproof door 400, and the telescopic member 410 relatively generates telescopic movement and rotation when the dustproof door 400 is slid with respect to the shield case 200 by the photographing device 300, so as to avoid interference.

Further, a rubber layer is provided on the dust-proof member, and the rubber layer contacts with the inner wall surface of the protection case 200, thereby improving the sealing property.

The unmanned aerial vehicle mapping equipment that this embodiment provided, camera 300 have first position and the second position of mutual switching, use in a flexible way, and the image acquisition head 310 of camera 300 is difficult for exposing in the external environment for a long time, long service life.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. Unmanned aerial vehicle mapping equipment that takes photo by plane, its characterized in that includes:

an unmanned aerial vehicle main body (100);

the protection shell (200), the protection shell (200) is connected with the unmanned aerial vehicle main body (100), and the protection shell (200) is provided with a plurality of through holes (210) which are arranged at intervals in the circumferential direction;

a plurality of cameras (300), wherein the cameras (300) are arranged in the protective shell (200) and are movably matched with the protective shell (200), and the cameras (300) respectively correspond to the through holes (210); each camera (300) has a first position and a second position that are mutually switched, when in the first position, an image acquisition head (310) of the camera (300) is staggered with the corresponding through hole (210); when in the second position, the image acquisition head (310) is opposite to the corresponding through hole (210);

a plurality of dustproof doors (400), wherein the dustproof doors (400) are respectively connected with the cameras (300), the dustproof doors (400) are matched with the through holes (210) in a one-to-one correspondence manner, and are used for synchronously moving with the cameras (300) to close or open the corresponding through holes (210);

and a driving module (500), wherein the driving module (500) is arranged in the protective shell (200) and is used for driving the cameras (300) to synchronously move so as to switch the cameras (300) between the first position and the second position;

the driving module (500) comprises a driver (510) and a plurality of transmission components (530), the driver (510) is connected with the protective shell (200), the plurality of transmission components (530) are respectively matched with the plurality of cameras (300) in a one-to-one correspondence manner, and the driver (510) drives the corresponding cameras (300) to switch between the first position and the second position through the transmission components (530); each transmission assembly (530) comprises a first transmission unit and a second transmission unit, and the driver (510) is used for driving the camera (300) to move in a first direction through the first transmission unit and simultaneously driving the camera (300) to move in a second direction through the second transmission unit so that the image acquisition head (310) stretches into the through hole (210) when the camera (300) is in the second position; wherein the first direction and the second direction have an included angle; the driver (510) comprises a motor (512), a positioning shaft (511) and a driving ring (513); the motor (512) and the positioning shaft (511) are fixedly connected with the protective shell (200), the driving ring (513) is connected with an output shaft of the motor (512), and the motor (512) is used for driving the driving ring (513) to rotate; the plurality of cameras (300) are arranged at intervals in the circumferential direction of the positioning shaft (511);

the first transmission units comprise first transmission blocks (531) and second transmission blocks (532), the first transmission blocks (531) of a plurality of the first transmission units are connected with the driving ring (513), and the first transmission blocks (531) are arranged at intervals in the circumferential direction of the driving ring; the second transmission block (532) is connected with the corresponding camera (300), and the first transmission block (531) is used for abutting against the second transmission block (532) so as to drive the camera (300) to slide in the first direction; the second transmission unit comprises a third transmission block (533) and a fourth transmission block (534), the third transmission block (533) is connected with the second transmission block (532), the fourth transmission block (534) is connected with the positioning shaft (511), and the third transmission block (533) is used for propping against the fourth transmission block (534) so as to drive the camera (300) to slide in the second direction;

a first inclined plane is arranged on the first transmission block (531), a second inclined plane is arranged on the second transmission block (532), and the first inclined plane is used for propping against the second inclined plane; a third inclined plane is arranged on the third transmission block (533), a fourth inclined plane is arranged on the fourth transmission block (534), and the third inclined plane is used for propping against the fourth inclined plane;

the driving module (500) further comprises a plurality of elastic resetting pieces (540), wherein the plurality of elastic resetting pieces (540) are arranged on the protective shell (200), and the plurality of elastic resetting pieces (540) are respectively abutted against the plurality of cameras (300) and are used for enabling the corresponding cameras (300) to have a movement trend of switching from the second position to the first position; the driving module (500) further comprises a guide assembly (520), the guide assembly (520) comprises a first guide (521), a second guide (522) and a third guide (523), the first guide (521) is connected with the camera (300), the second guide (522) is slidably connected with the first guide (521) in the first direction, the third guide (523) is fixedly connected with the positioning shaft (511), the second guide (522) is slidably connected with the third guide (523) in the second direction, and the camera (300) and the positioning shaft (511) are relatively fixed in the circumferential direction of the positioning shaft (511).

2. The unmanned aerial vehicle aerial mapping device of claim 1, wherein:

a linear bearing is arranged between the first guide piece (521) and the second guide piece (522); a linear bearing is arranged between the second guide (522) and the third guide (523).

3. The unmanned aerial vehicle aerial mapping device of claim 1, wherein:

the dustproof door (400) is slidably connected with the protective shell (200) in the first direction, and the dustproof door and the protective shell are relatively fixed in the second direction; be equipped with extensible member (410) between dustproof door (400) with camera (300), the one end of extensible member (410) with camera (300) rotate to be connected, the other end of extensible member (410) with dustproof door (400) rotate to be connected.

4. An unmanned aerial vehicle aerial mapping device as claimed in claim 3, wherein:

a rubber layer is arranged on the dustproof door (400), and the rubber layer is abutted with the inner wall surface of the protective shell (200).

5. The unmanned aerial vehicle aerial mapping device of claim 1, wherein:

the camera (300) is provided with a trigger switch, the protective shell (200) is provided with a plurality of trigger buttons (560), the trigger buttons (560) are respectively matched with the camera (300), and each trigger button (560) is used for being abutted against the corresponding trigger switch when the camera (300) is in the second position so as to enable the camera (300) to be opened.

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