An automatic unmanned aerial vehicle surveying and mapping device and a surveying and mapping method

Abstract

The application discloses an automatic unmanned aerial vehicle surveying and mapping equipment and a surveying and mapping method, which comprises a main unit, wherein the main unit comprises an unmanned aerial vehicle body, the lower end of the unmanned aerial vehicle body is fixedly connected with a first fixing box and a second fixing box, the inner wall of the second fixing box is rotationally connected with a connecting shaft, the lower end of the connecting shaft penetrates through the lower end of the second fixing box and is fixedly connected with a surveying and mapping camera, and the first fixing box is fixedly installed with a cleaning assembly for wiping the surveying and mapping camera and a steering assembly for driving the surveying and mapping camera to steer. The application has the beneficial effect that the impeller, the rotating rod, the cam, the first toothed plate, the driving gear, the input shaft, the right-angle gear steering device, the output shaft, the cleaning wiper and the surveying and mapping camera are combined, the cam is driven to rotate by the impeller and the rotating rod, the first toothed plate is driven to move left and right by the cam and the return spring, the output shaft is driven to rotate by the first toothed plate, the driving gear, the input shaft and the right-angle gear steering device, and the cleaning wiper is driven to rotate by the output shaft, so that the dust and the fog on the surface of the surveying and mapping camera can be wiped, and the unmanned aerial vehicle does not need to return to perform wiping, which is very convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicle surveying and mapping, and particularly relates to an automatic unmanned aerial vehicle surveying and mapping device and a surveying and mapping method. BACKGROUND

[0002] With the development of science and technology, the means of navigation and distance measurement is more and more diversified. The traditional way is to measure by manual, which consumes a lot of time and manpower. In order to reduce the labor intensity of workers, unmanned aerial vehicle navigation and distance measurement is more and more used. The existing feature points and boundaries on the ground are obtained by measurement means to reflect the ground status graphics and position information. The camera navigation and distance measurement device is carried on the unmanned aerial vehicle, and the images of the ground target objects are collected from different angles such as vertical and inclined. In the same navigation strip, the inclined camera continuously shoots several groups of overlapping photos to generate three-dimensional model data for planning and design of engineering construction and administrative management.

[0003] In the process of surveying and mapping the ground status by the surveying and mapping unmanned aerial vehicle, dust in the air is easy to adhere to the surface of the surveying and mapping camera, or when the air temperature is low, fog is generated on the surface of the camera, which causes the photographed pictures to be blurred and unclear. The existing technology usually needs to control the unmanned aerial vehicle to return and wipe, which is very inconvenient. Therefore, an automatic unmanned aerial vehicle surveying and mapping device and a surveying and mapping method are needed to solve the above problems. SUMMARY

[0004] This section is intended to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification of the present application to avoid obscuring the purpose of this section, the abstract and the title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] In view of the problems of the above automatic unmanned aerial vehicle surveying and mapping device and surveying and mapping method, the present application is proposed.

[0006] Therefore, the purpose of the present application is to provide an automatic unmanned aerial vehicle surveying and mapping device and a surveying and mapping method, which is used to solve the problems that in the process of surveying and mapping the ground status by the surveying and mapping unmanned aerial vehicle, dust in the air is easy to adhere to the surface of the surveying and mapping camera, or when the air temperature is low, fog is generated on the surface of the camera, which causes the photographed pictures to be blurred and unclear, and the existing technology usually needs to control the unmanned aerial vehicle to return and wipe, which is very inconvenient.

[0007] To solve the above technical problems, the present application provides the following technical scheme: an automatic unmanned aerial vehicle surveying and mapping device, comprising:

[0008] The utility model relates to a kind of automatic unmanned aerial vehicle surveying equipment, including main unit, the main unit includes unmanned aerial vehicle body, the lower end of the unmanned aerial vehicle body is fixedly connected with first fixed box and second fixed box, the inner wall of the second fixed box is rotatably connected with connecting shaft, the lower end of the connecting shaft is through the lower end of second fixed box and is fixedly connected with surveying camera, the first fixed box is fixedly installed with the cleaning assembly for being used to wipe surveying camera and the steering assembly for being used to drive surveying camera to turn in it.

[0009] As a preferred scheme of the automatic unmanned aerial vehicle surveying equipment, the cleaning assembly includes an impeller and a limiting box, a rotating rod is fixedly inserted into the center of the impeller, the upper end of the rotating rod is rotatably connected to the inner wall of the first fixed box, a cam is fixedly sleeved on the rotating rod, the limiting box is fixedly connected to the inner wall of the first fixed box, a sliding plate is slidably connected to the inner wall of the limiting box, a return spring and a first toothed plate are fixedly connected to the two sides of the sliding plate, respectively, a rotating wheel is fixedly connected to the other end of the first toothed plate, a drive gear is meshingly connected to the first toothed plate, an input shaft is fixedly inserted into the center of the drive gear, a right-angle gear steering gear is fixedly connected to the lower end of the first fixed box, the lower end of the input shaft is fixedly connected to the input end of the right-angle gear steering gear, an output shaft is fixedly connected to the output end of the right-angle gear steering gear, and a cleaning cloth is fixedly connected to the other end of the output shaft.

[0010] As a preferred scheme of the automatic unmanned aerial vehicle surveying equipment, the steering assembly includes a T-shaped block, a first straight cylinder and a second straight cylinder, an annular T-shaped slot is formed in the upper end of the cam, the T-shaped block is slidably connected in the annular T-shaped slot, an L-shaped connecting plate is rotatably connected to the upper end of the T-shaped block, the first straight cylinder and the second straight cylinder are fixedly connected to the inner walls of the first fixed box and the second fixed box, respectively, a first piston plate is slidably connected to the inner wall of the first straight cylinder, a push rod is fixedly connected to the left side of the first piston plate, the other end of the push rod penetrates through the side wall of the first straight cylinder and is fixedly connected with the L-shaped connecting plate, an air inlet pipe and a communication pipe are fixedly connected to the lower end and the right side of the first straight cylinder, respectively, an air inlet check valve and an air outlet check valve are fixedly installed in the inner walls of the air inlet pipe and the communication pipe, respectively.

[0011] As a preferred scheme of the automatic unmanned aerial vehicle surveying equipment, one end of the return spring away from the sliding plate is fixedly connected to the inner wall of the limiting box, a first through hole is formed in one side of the limiting box, one end of the first toothed plate penetrates through the first through hole and is slidably connected in the first through hole, the upper end of the input shaft is rotatably connected to the inner wall of the first fixed box, the lower end of the input shaft penetrates through the first fixed box and is rotatably connected in the inner wall of the first fixed box, a support plate is fixedly connected to the lower end of the first fixed box, and the output shaft is rotatably connected in the inner wall of the support plate.

[0012] As a preferred solution of the automatic unmanned aerial vehicle surveying and mapping equipment described in the present invention, wherein: a second piston plate is slidably connected to the inner wall of the second straight cylinder, a second tooth plate is fixedly connected to the right side of the second piston plate, a half gear and a reel are fixedly sleeved on the connecting shaft, the half gear is meshed with the second tooth plate, a strong clockwork spring roll is fixedly connected to the inner wall of the second fixed box, the output end of the strong clockwork spring roll is fixedly connected to the reel, an exhaust hole and a pressure relief hole are provided at the lower end of the second straight cylinder, the exhaust hole is arranged at one tenth of the distance from the left end of the second straight cylinder, and the pressure relief hole is arranged at one fifth of the distance from the right end of the second straight cylinder, the exhaust speed of the exhaust hole is less than the intake speed of the connecting pipe, the lower end of the second straight cylinder is fixedly connected to a pressure relief pipe, and the other end of the pressure relief pipe is fixedly connected to a nozzle.

[0013] As a preferred solution of the automatic unmanned aerial vehicle surveying and mapping equipment described in the present invention, the push rod is slidably connected to the inner wall of the first straight cylinder, the air inlet pipe is arranged at one tenth of the distance from the right end of the first straight cylinder, and the connecting pipe is used to connect the first straight cylinder and the second straight cylinder.

[0014] As a preferred solution of the automatic UAV surveying and mapping equipment described in the present invention, a second through hole is opened at the right end of the second straight cylinder, and one end of the second tooth plate passes through the second tooth plate and is slidably connected in the second through hole.

[0015] As a preferred solution of the automatic unmanned aerial vehicle surveying and mapping equipment described in the present invention, a guide plate is fixedly connected to the inner wall of the first fixed box, the rotating rod and the input shaft are both rotatably connected to the inner wall of the guide plate, and the connecting shaft is rotatably connected to the inner wall of the second fixed box.

[0016] As a preferred solution of the automatic UAV surveying and mapping equipment described in the present invention, an air inlet is provided at the lower end of the first fixed box, air outlets are symmetrically provided on both sides of the first fixed box, and the right end of the rotating wheel rests on the side wall of the cam.

[0017] An automatic drone mapping method, the steps of which are:

[0018] Step 1: Use the control handle to issue a command, and the drone will take off and fly to the designated area;

[0019] Step 2: After the drone flies to the designated area, it controls the mapping camera to move up and down by issuing commands to complete the work of photographing and navigating the designated area;

[0020] Step 3: Check the captured image. If the image is blurry, issue a command to control the drone to dive down a certain distance.

[0021] Step four, in step three, the unmanned aerial vehicle in the process of diving, airflow driven impeller rotation, through the impeller driven mapping camera rotation 180 DEG, through the impeller driven cleaning wipe on the mapping camera dust fog is wiped;

[0022] Step five, issue instructions, re-shooting blurred area shooting;

[0023] Step six, view the shooting picture, if the shooting picture is clear, then issue instructions control unmanned aerial vehicle return, if the picture is blurred, then repeat step four and step five.

[0024] The beneficial effects of the application are:

[0025] 1, through the impeller, rotating rod will drive the cam rotation, through the cam and return spring will drive the first tooth plate left and right movement, through the first tooth plate, drive gear, input shaft and right angle gear steering will drive the output shaft rotation, through the output shaft will drive the cleaning wipe rotation, automatically wipe the surface of the mapping camera dust and fog, so it is not necessary to control unmanned aerial vehicle return for wiping, very convenient;

[0026] 2, through the cam, T-shaped block and L-shaped connecting plate will drive the push rod left and right movement and drive the first piston plate left and right movement, through the air inlet pipe inhale air and through the communication pipe to the second cylinder, the second cylinder gradually increases the air pressure and pushes the second piston plate to move right, through the second piston plate, second tooth plate and half gear will drive the mapping camera rotation 180 DEG and the second piston plate in the pressure relief hole left and right sides repeatedly move, so as to drive the mapping camera small amplitude repeatedly swing, convenient through the cleaning wipe to clean the mapping camera, the gas discharged in the pressure relief hole will be through the pressure relief pipe and the nozzle is sprayed on the surface of the mapping camera lens, the surface dust is cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will be briefly introduced to the drawings needed to be used in the embodiment description, obviously, the drawings in the following description is only some embodiments of the present application, for those skilled in the art, without the premise of paying the creative labor, can also obtain other drawings according to these drawings. Among them:

[0028] Figure 1 It is a structure schematic view of the present application in the automatic unmanned aerial vehicle mapping equipment during mapping.

[0029] Figure 2 It is a structure schematic view of the present application in the automatic unmanned aerial vehicle mapping equipment during cleaning.

[0030] Figure 3 It is a structure schematic view of the cleaning assembly in the automatic unmanned aerial vehicle mapping equipment of the present application.

[0031] Figure 4 It is a cross-sectional structure schematic view of a steering assembly in an automatic unmanned aerial vehicle surveying and mapping device.

[0032] Figure 5 It is a partial cross-sectional structure schematic view of a second fixed box in an automatic unmanned aerial vehicle surveying and mapping device.

[0033] Figure 6 It is a structure schematic view of an impeller in an automatic unmanned aerial vehicle surveying and mapping device.

[0034] Figure 7 It is a flow schematic view of an automatic unmanned aerial vehicle surveying and mapping method.

[0035] BRIEF DESCRIPTION OF DRAWINGS: 100, main unit; 101, unmanned aerial vehicle body; 102, first fixed box; 103, second fixed box; 104, connecting shaft; 105, surveying and mapping camera; 200, cleaning assembly; 201, impeller; 202, rotating rod; 203, cam; 204, limiting box; 205, sliding plate; 206, return spring; 207, first toothed plate; 208, rotating wheel; 209, drive gear; 210, input shaft; 211, right-angle gear steering gear; 212, output shaft; 213, cleaning wiper; 214, support plate; 300, steering assembly; 301, T-shaped block; 302, L-shaped connecting plate; 303, first straight cylinder; 304, first piston plate; 305, push rod; 306, air inlet pipe; 307, communication pipe; 308, second straight cylinder; 309, second piston plate; 310, second toothed plate; 311, half gear; 312, winding wheel; 313, strong clockwork spring winding; 314, air exhaust hole; 315, pressure relief pipe; 316, spray head. DETAILED DESCRIPTION

[0036] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0037] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the concept of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0038] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is separate or alternative to other embodiments.

[0039] Thirdly, the present application is described in detail in combination with the schematic diagram, in the detailed description of the embodiments of the present application, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0040] Embodiment one

[0041] Reference Figures 1-6 For an embodiment of the present application, an automatic unmanned aerial vehicle surveying and mapping device is provided, comprising:

[0042] The main unit 100 comprises a UAV body 101, the lower end of the UAV body 101 is fixedly connected with a first fixed box 102 and a second fixed box 103, a connecting shaft 104 is rotatably connected to the inner wall of the second fixed box 103, the lower end of the connecting shaft 104 penetrates through the lower end of the second fixed box 103 and is fixedly connected with a surveying and mapping camera 105, a cleaning assembly 200 for wiping the surveying and mapping camera 105 and a steering assembly 300 for driving the surveying and mapping camera 105 to turn are fixedly installed in the first fixed box 102.

[0043] The cleaning assembly 200 comprises an impeller 201 and a limiting box 204, a rotating rod 202 is fixedly inserted at the center of the impeller 201, the upper end of the rotating rod 202 is rotatably connected to the inner wall of the first fixed box 102, a cam 203 is fixedly sleeved on the rotating rod 202, the limiting box 204 is fixedly connected to the inner wall of the first fixed box 102, a sliding plate 205 is slidably connected to the inner wall of the limiting box 204, a return spring 206 and a first toothed plate 207 are fixedly connected to the two sides of the sliding plate 205, respectively, the other end of the first toothed plate 207 is fixedly connected with a rotating wheel 208, a drive gear 209 is meshingly connected to the first toothed plate 207, an input shaft 210 is fixedly inserted at the center of the drive gear 209, a right-angle gear steering gear 211 is fixedly connected to the lower end of the first fixed box 102, the lower end of the input shaft 210 is fixedly connected with the input end of the right-angle gear steering gear 211, the output end of the right-angle gear steering gear 211 is fixedly connected with an output shaft 212, the other end of the output shaft 212 is fixedly connected with a cleaning wipe 213, the rotating rod 202 will drive the cam 203 to rotate, the cam 203 and the return spring 206 will drive the first toothed plate 207 to move left and right, the first toothed plate 207, the drive gear 209, the input shaft 210 and the right-angle gear steering gear 211 will drive the output shaft 212 to rotate, and the output shaft 212 will drive the cleaning wipe 213 to rotate, thus automatically wiping the dust and fog on the surface of the surveying and mapping camera 105, so it is very convenient without the need to control the UAV to return for wiping.

[0044] The steering assembly 300 comprises a T-shaped block 301, a first straight cylinder 303 and a second straight cylinder 308, the upper end of the cam 203 is provided with an annular T-shaped groove, the T-shaped block 301 is slidingly connected in the annular T-shaped groove, the upper end of the T-shaped block 301 is rotatably connected with an L-shaped connecting plate 302, the first straight cylinder 303 and the second straight cylinder 308 are fixedly connected on the inner walls of the first fixed box 102 and the second fixed box 103 respectively, the inner wall of the first straight cylinder 303 is slidingly connected with a first piston plate 304, the left side of the first piston plate 304 is fixedly connected with a push rod 305, the other end of the push rod 305 penetrates through the side wall of the first straight cylinder 303 and is fixedly connected with the L-shaped connecting plate 302, the lower end and the right side of the first straight cylinder 303 are fixedly connected with an air inlet pipe 306 and a communication pipe 307 respectively, the inner walls of the air inlet pipe 306 and the communication pipe 307 are fixedly installed with an air inlet check valve and an air outlet check valve respectively, the push rod 305 is driven to move left and right and the first piston plate 304 is driven to move left and right through the cam 203, the T-shaped block 301 and the L-shaped connecting plate 302, air is sucked in through the air inlet pipe 306 and is delivered into the second straight cylinder 308 through the communication pipe 307.

[0045] The one end of the reset spring 206, away from the sliding plate 205, is fixedly connected on the inner wall of the limiting box 204, the limiting box 204 is provided with a first through hole on one side, the one end of the first toothed plate 207 penetrates through the first through hole and is slidingly connected in the first through hole, the upper end of the input shaft 210 is rotatably connected on the inner wall of the first fixed box 102, the lower end of the input shaft 210 penetrates through the first fixed box 102 and is rotatably connected in the inner wall of the first fixed box 102, the lower end of the first fixed box 102 is fixedly connected with a supporting plate 214, the output shaft 212 is rotatably connected in the inner wall of the supporting plate 214, the first toothed plate 207 can be reset through the reset spring 206, and the output shaft 212 can be supported through the supporting plate 214.

[0046] Among them, a second piston plate 309 is slidably connected to the inner wall of the second straight cylinder 308, and a second gear plate 310 is fixedly connected to the right side of the second piston plate 309. A half gear 311 and a winding wheel 312 are fixedly sleeved on the connecting shaft 104, and the half gear 311 is meshed with the second gear plate 310. A strong clockwork spring roll 313 is fixedly connected to the inner wall of the second fixed box 103, and the output end of the strong clockwork spring roll 313 is fixedly connected to the winding wheel 312. An exhaust hole 314 and a pressure relief hole are opened at the lower end of the second straight cylinder 308. The exhaust hole 314 is set at one tenth of the distance from the left end of the second straight cylinder 308, and the pressure relief hole is set at one fifth of the distance from the right end of the second straight cylinder 308. The exhaust speed of the exhaust hole 314 is less than the intake speed of the connecting pipe 307. The lower end of the second straight cylinder 308 is fixedly connected to a pressure relief pipe 315, and the other end of the pressure relief pipe 315 is fixedly connected to a spray nozzle. Head 316, wherein a sealing plug is provided in the exhaust hole 314, and a small hole is opened on the sealing plug, and the exhaust speed of the exhaust hole 314 is lower than the intake speed of the connecting pipe 307, so the air pressure in the second straight cylinder 308 gradually increases and pushes the second piston plate 309 to move to the right, and the second piston plate 309, the second gear plate 310 and the half gear 311 will drive the surveying and mapping camera 105 to rotate 180 degrees and the second piston plate 309 to move repeatedly on the left and right sides of the pressure relief hole, thereby driving the surveying and mapping camera 105 to swing repeatedly with a small amplitude, making it convenient to clean the surveying and mapping camera 105 with the cleaning wipe 213, and the gas discharged from the pressure relief hole will be sprayed onto the lens surface of the surveying and mapping camera 105 through the pressure relief pipe 315 and the nozzle 316 to clean the dust on its surface, and the surveying and mapping camera 105 can be reset by the strong clockwork spring coil 313 and the reel 312.

[0047] Among them, the push rod 305 is slidably connected to the inner wall of the first straight cylinder 303, the air intake pipe 306 is set at one tenth of the distance from the right end of the first straight cylinder 303, and the connecting pipe 307 is used to connect the first straight cylinder 303 and the second straight cylinder 308, and air is inhaled through the air intake pipe 306.

[0048] A second through hole is opened at the right end of the second straight cylinder 308 , and one end of the second gear plate 310 passes through the second gear plate 310 and is slidably connected in the second through hole. The second gear plate 310 can drive the half gear 311 to rotate.

[0049] Among them, a guide plate is fixedly connected to the inner wall of the first fixed box 102, the rotating rod 202 and the input shaft 210 are both rotatably connected to the inner wall of the guide plate, and the connecting shaft 104 is rotatably connected to the inner wall of the second fixed box 103, so that gas can be discharged conveniently through the guide plate.

[0050] Wherein, the lower end of the first fixed box 102 is provided with an air inlet hole, the two sides of the first fixed box 102 are symmetrically provided with air outlet holes, the right end of the rotating wheel 208 abuts against the side wall of the cam 203, the airflow enters through the air inlet hole and is discharged through the air outlet hole.

[0051] Working principle: when cleaning is needed, the unmanned aerial vehicle is controlled to dive downward by a certain distance, the airflow will drive the impeller 201 to rotate, the impeller 201 drives the cam 203 to rotate through the rotating rod 202, the cam 203 drives the L-shaped connecting plate 302 to move left and right through the T-shaped block 301, the L-shaped connecting plate 302 drives the first piston plate 304 to move left and right through the push rod 305, in this process, air is sucked through the air inlet pipe 306 and is transported into the second straight cylinder 308 through the communication pipe 307, wherein the exhaust speed of the exhaust hole 314 is less than the inlet speed of the communication pipe 307, therefore the air pressure in the second straight cylinder 308 gradually increases and drives the second piston plate 309 to move right, the second piston plate 309 drives the second toothed plate 310 to move right and drives the half gear 311 to rotate, the half gear 311 drives the surveying and mapping camera 105 to rotate through the connecting shaft 104, when the second piston plate 309 moves to the position close to the pressure relief hole, the surveying and mapping camera 105 rotates 180°, when the second piston plate 309 continues to move right, part of the gas in the second straight cylinder 308 is discharged through the pressure relief hole, at this time, the second piston plate 309 is reset under the elastic force of the powerful clockwork spring 313, so that the second piston plate 309 returns to the left side of the pressure relief hole, then the gas is continuously transported through the communication pipe 307, the second piston plate 309 will continue to move right, which makes the second piston plate 309 move back and forth on the left and right sides of the pressure relief hole, thereby driving the surveying and mapping camera 105 to swing back and forth with a small amplitude, the gas discharged from the pressure relief hole is sprayed on the lens surface of the surveying and mapping camera 105 through the pressure relief pipe 315 and the nozzle 316, thereby cleaning the dust on the surface of the surveying and mapping camera 105;

[0052] At the same time, the rotating wheel 208 is pushed to move left through the cam 203, the rotating wheel 208 drives the first toothed plate 207 to move left and compresses the reset spring 206 through the sliding plate 205, the first toothed plate 207 is reset to the right through the reset spring 206, therefore the first toothed plate 207 is driven to move left and right through the cam 203 and the reset spring 206, the first toothed plate 207 drives the drive gear 209 to rotate, the drive gear 209 drives the input shaft 210 to rotate, the input shaft 210 drives the output shaft 212 to rotate through the right-angle gear steering gear 211, the output shaft 212 drives the cleaning wiper 213 to rotate, the cleaning wiper 213 can automatically wipe the dust and fog on the surface of the surveying and mapping camera 105, therefore it is not necessary to control the unmanned aerial vehicle to return for wiping, which is very convenient, wherein the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0053] Embodiment two

[0054] With reference to Figure 7 An automatic unmanned aerial vehicle mapping method, the steps of which are:

[0055] Step one, through the control handle to issue an instruction, the unmanned aerial vehicle is lifted and flies to a specified area;

[0056] Step two, after the unmanned aerial vehicle flies to the specified area, the mapping camera 105 is controlled to rotate up and down by issuing an instruction, thereby completing the work of photographing and navigation ranging for the specified area;

[0057] Step three, the photographed pictures are viewed, and if the photographed pictures are found to be unclear, an instruction is issued to control the unmanned aerial vehicle to dive downward by a certain distance;

[0058] Step four, in step three, in the process of diving downward, the airflow drives the impeller 201 to rotate, the mapping camera 105 is driven to rotate 180° by the impeller 201, and the dust and fog on the mapping camera 105 is wiped by the cleaning wiper 213 driven by the impeller 201;

[0059] Step five, an instruction is issued to re-photograph the area with blurred pictures;

[0060] Step six, the photographed pictures are viewed, if the photographed pictures are clear, an instruction is issued to control the unmanned aerial vehicle to return, and if the pictures are unclear, steps four and five are repeated.

[0061] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. An automatic UAV surveying and mapping device, characterized in that: include: A main unit (100), the main unit (100) comprising a drone body (101), the lower end of the drone body (101) being fixedly connected to a first fixed box (102) and a second fixed box (103), a connecting shaft (104) being rotatably connected to the inner wall of the second fixed box (103), the lower end of the connecting shaft (104) passing through the lower end of the second fixed box (103) and being fixedly connected to a surveying and mapping camera (105), a cleaning component (200) for wiping the surveying and mapping camera (105) and a steering component (300) for driving the surveying and mapping camera (105) to turn are fixedly installed in the first fixed box (102); The cleaning assembly (200) comprises an impeller (201) and a limit box (204), a rotating rod (202) is fixedly inserted at the center of the impeller (201), the upper end of the rotating rod (202) is rotatably connected to the inner wall of the first fixed box (102), a cam (203) is fixedly sleeved on the rotating rod (202), the limit box (204) is fixedly connected to the inner wall of the first fixed box (102), a slide plate (205) is slidably connected to the inner wall of the limit box (204), and a return spring (206) and a first tooth plate (207) are fixedly connected on both sides of the slide plate (205). The other end of the first tooth plate (207) is fixedly connected to a rotating wheel (208), the first tooth plate (207) is meshedly connected to a driving gear (209), an input shaft (210) is fixedly inserted into the center of the driving gear (209), the lower end of the first fixed box (102) is fixedly connected to a right-angle gear steering gear (211), the lower end of the input shaft (210) is fixedly connected to the input end of the right-angle gear steering gear (211), the output end of the right-angle gear steering gear (211) is fixedly connected to an output shaft (212), and the other end of the output shaft (212) is fixedly connected to a cleaning wipe (213); The steering assembly (300) includes a T-shaped block (301), a first straight cylinder (303) and a second straight cylinder (308). The upper end of the cam (203) is provided with an annular T-shaped groove. The T-shaped block (301) is slidably connected to the annular T-shaped groove. The upper end of the T-shaped block (301) is rotatably connected to an L-shaped connecting plate (302). The first straight cylinder (303) and the second straight cylinder (308) are respectively fixedly connected to the inner walls of the first fixed box (102) and the second fixed box (103). The first straight cylinder (30 3) is slidably connected to the inner wall of the first straight cylinder (303), a push rod (305) is fixedly connected to the left side of the first piston plate (304), the other end of the push rod (305) passes through the side wall of the first straight cylinder (303) and is fixedly connected to the L-shaped connecting plate (302), the lower end and the right side of the first straight cylinder (303) are respectively fixedly connected to the air intake pipe (306) and the connecting pipe (307), and the inner walls of the air intake pipe (306) and the connecting pipe (307) are respectively fixedly installed with an air intake check valve and an air outlet check valve.

2. The automatic UAV surveying and mapping device according to claim 1, characterized in that: One end of the return spring (206) facing away from the slide (205) is fixedly connected to the inner wall of the limit box (204); a first through hole is opened on one side of the limit box (204); one end of the first tooth plate (207) passes through the first through hole and is slidably connected in the first through hole; the upper end of the input shaft (210) is rotatably connected to the inner wall of the first fixed box (102); the lower end of the input shaft (210) passes through the first fixed box (102) and is rotatably connected in the inner wall of the first fixed box (102); the lower end of the first fixed box (102) is fixedly connected to a support plate (214); and the output shaft (212) is rotatably connected in the inner wall of the support plate (214).

3. The automatic UAV surveying and mapping device according to claim 1, characterized in that: A second piston plate (309) is slidably connected to the inner wall of the second straight cylinder (308), a second tooth plate (310) is fixedly connected to the right side of the second piston plate (309), a half gear (311) and a reel (312) are fixedly sleeved on the connecting shaft (104), the half gear (311) is meshedly connected to the second tooth plate (310), a strong clockwork spring reel (313) is fixedly connected to the inner wall of the second fixed box (103), and the output end of the strong clockwork spring reel (313) is fixedly connected to the reel (3 12), an exhaust hole (314) and a pressure relief hole are provided at the lower end of the second straight cylinder (308), the exhaust hole (314) is arranged at one-tenth of the distance from the left end of the second straight cylinder (308), and the pressure relief hole is arranged at one-fifth of the distance from the right end of the second straight cylinder (308), the exhaust speed of the exhaust hole (314) is lower than the intake speed of the connecting pipe (307), the lower end of the second straight cylinder (308) is fixedly connected to a pressure relief pipe (315), and the other end of the pressure relief pipe (315) is fixedly connected to a nozzle (316).

4. The automatic UAV surveying and mapping device according to claim 1, characterized in that: The push rod (305) is slidably connected to the inner wall of the first straight cylinder (303), the air inlet pipe (306) is set at one tenth of the distance from the right end of the first straight cylinder (303), and the connecting pipe (307) is used to connect the first straight cylinder (303) and the second straight cylinder (308).

5. The automatic UAV surveying and mapping device according to claim 3, characterized in that: A second through hole is provided at the right end of the second straight cylinder (308), and one end of the second tooth plate (310) passes through the second tooth plate (310) and is slidably connected in the second through hole.

6. The automatic UAV surveying and mapping device according to claim 1, characterized in that: A guide plate is fixedly connected to the inner wall of the first fixed box (102), the rotating rod (202) and the input shaft (210) are both rotatably connected to the inner wall of the guide plate, and the connecting shaft (104) is rotatably connected to the inner wall of the second fixed box (103).

7. The automatic drone surveying and mapping device according to claim 1, characterized in that: An air inlet is provided at the lower end of the first fixed box (102), and air outlets are symmetrically provided on both sides of the first fixed box (102). The right end of the rotating wheel (208) abuts against the side wall of the cam (203).

8. An automatic UAV surveying and mapping method, using the automatic UAV surveying and mapping device according to any one of claims 1 to 7, characterized in that: The steps are: Step 1: Use the control handle to issue a command, and the drone will take off and fly to the designated area; Step 2: After the UAV flies to the designated area, it controls the mapping camera (105) to rotate up and down by issuing commands to complete the work of photographing and navigation ranging of the designated area; Step 3: Check the captured image. If the image is blurry, issue a command to control the drone to dive down a certain distance. Step 4: In step 3, when the drone is diving downward, the airflow drives the impeller (201) to rotate, and the impeller (201) drives the mapping camera (105) to rotate 180 degrees, and the impeller (201) drives the cleaning wipe (213) to wipe the dust and mist on the mapping camera (105); Step 5: Issue a command to re-photograph the blurred area; Step 6: Check the captured image. If the image is clear, issue a command to control the drone to return. If the image is blurry, repeat steps 4 and 5.

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