Unmanned aerial vehicle with lens cleaning device

Abstract

The utility model provides an unmanned aerial vehicle with a lens cleaning device, which belongs to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a cleaning module, a lens plate, a camera and a flexible part. The mirror plate is fixed on the unmanned aerial vehicle body, the camera is mounted on the mirror plate through a mounting frame, a lens of the camera is aligned to a mirror hole in the mirror plate, a lens is arranged in the mirror hole, and a cleaning module is arranged on one side of the lens. The cleaning module comprises an output rotating shaft rotationally installed on the mirror plate, a connecting block fixedly connected to the outer circumferential face of the output rotating shaft and a first driving motor used for driving the output rotating shaft to rotate. The connecting block comprises a containing cavity used for containing the flexible piece and a mounting part used for mounting the winding mechanism, and the winding mechanism is mounted on the mounting part of the connecting block. The flexible part is provided with a pressing assembly along the path from the containing cavity to the winding mechanism. The cleaning module and the pressing assembly are arranged, the camera lens of the unmanned aerial vehicle can be cleaned, the definition of a shot picture is guaranteed, and the problem of cleaning of the camera lens of the unmanned aerial vehicle in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a unmanned aerial vehicle with a lens cleaning device. Background Art

[0002] In today's era of rapid technological development, drones have been widely used in various fields, from film and television shooting to geographic surveying and mapping, from agricultural plant protection to disaster relief, drones can be seen active. Since drones often fly in various complex environments, the lens is easily contaminated with dust, stains, raindrops and even pollen and other debris. These pollutants will not only affect the quality and clarity of the captured images, resulting in blurred images and color distortion, but may also cause irreparable losses in some key shooting tasks. For example, when conducting important aerial photography, if the lens is not clean enough, it may cause precious data to be unable to be accurately obtained, which will affect subsequent analysis and application. Moreover, if the cleaning and maintenance of the lens is not paid attention to for a long time, it may also cause damage to the lens itself, shorten its service life and increase the cost of use. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a drone with a lens cleaning device, so as to solve the problem of cleaning the drone shooting lens in the current technology.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a drone with a lens cleaning device, including a drone body, a cleaning module, a mirror plate, a camera and a flexible member; the mirror plate is provided with a mirror hole and is fixedly mounted on the drone body, the camera is mounted on the mirror plate through a mounting frame, the lens of the camera is aligned with the mirror hole, the mirror hole is provided with a lens, one side of the lens is provided with a cleaning module, the cleaning module is used to clean the lens; the cleaning module includes an output shaft rotatably mounted on the mirror plate, a connecting block fixedly connected to the outer peripheral surface of the output shaft and a first driving motor for driving the output shaft to rotate; the connecting block includes a accommodating cavity for accommodating the flexible member and a mounting portion for mounting a winding mechanism, the winding mechanism is mounted on the mounting portion of the connecting block, and the winding mechanism is used to reel up the flexible member; the flexible member is provided with a pressing component along the path from the accommodating cavity to the winding mechanism, the pressing component is used to apply a pressure force to the flexible member to make it tightly adhere to the surface of the lens.

[0005] Optionally, it also includes a placement shaft fixed to the connection block and located in the accommodating cavity and a sleeve sleeved on the placement shaft, and the flexible member is located at one end of the accommodating cavity and fixedly connected to the outer peripheral surface of the sleeve.

[0006] Optionally, the winding mechanism includes: a winding shaft and a second drive motor, the second drive motor is fixedly mounted on the mounting portion of the connecting block, the second drive motor is used to drive the winding shaft to rotate, and the winding shaft is fixedly connected to one end of the flexible member away from the accommodating cavity.

[0007] Optionally, the pressing assembly includes a wet pressed block and a dry pressed block, the wet pressed block and the dry pressed block are connected to the connecting block via a first elastic member and a second elastic member respectively, and the flexible member forms a wet area and a dry area corresponding to the wet pressed block and the dry pressed block respectively.

[0008] Optionally, a partition is further included, which is fixed on the connecting block and separates the wet pressed blocks from the dry pressed blocks.

[0009] Optionally, a roller is rotatably mounted on the top end of the partition.

[0010] Optionally, the width of the dry pressed block is greater than the width of the wet pressed block.

[0011] Optionally, the drone body is further provided with a liquid storage tank, which is filled with cleaning liquid. The liquid storage tank is connected to the wet pressing block, and a delivery pump is further provided in the liquid storage tank to deliver the cleaning liquid to the area where the wet pressing block is located.

[0012] Optionally, it also includes a bite block, a bite groove and a sliding portion, the sliding portion is arranged on the connecting block, the bite block is slidably connected to the sliding portion of the connecting block, the bite groove is opened on the connecting block and corresponds to the bite block, the flexible member is between the bite block and the bite groove, and the bite block can be inserted into the bite groove to achieve bite of the flexible member.

[0013] Optionally, the engaging block includes a plurality of trapezoidal protrusions in a linear array, and the engaging groove includes a plurality of trapezoidal grooves in a linear array, and the plurality of trapezoidal protrusions match the plurality of trapezoidal grooves, and the trapezoidal grooves and the trapezoidal protrusions are attracted to each other by an electromagnetic component that can generate magnetism.

[0014] As described above, the utility model has the following beneficial effects:

[0015] The present application sets up a cleaning module and a pressing assembly, which can clean the drone camera lens to ensure the clarity of the captured image, solving the problem of drone camera lens cleaning in current technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model in one direction.

[0018] Figure 3 Display as Figure 2 Enlarged schematic diagram at point A in the middle.

[0019] Figure 4 It is a schematic diagram of the overall structure of the utility model in one direction.

[0020] Figure 5 Display as Figure 4 Enlarged schematic diagram of point B in the middle.

[0021] Figure 6 It is a schematic diagram showing the structure of the infusion tube 6 located at one end of the output shaft 7 in the present invention.

[0022] Figure 7 It is a schematic structural diagram showing that the conduit 19 passes through the connecting block 5 and communicates with the wet pressing block 13 .

[0023] Component number description

[0024] Among them: drone body 1, mirror plate 2, camera 3, lens 301, flexible part 4, connecting block 5, mounting part 501, accommodating cavity 502, sliding part 503, infusion tube 6, output rotating shaft 7, winding shaft 8, second driving motor 9, placement shaft 10, sleeve 11, liquid storage tank 12, wet pressing block 13, dry pressing block 14, partition 15, bite block 16, first elastic part 17, second elastic part 18, catheter 19. DETAILED DESCRIPTION

[0025] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0026] See also Figures 1 to 7 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0027] The following embodiments are only for illustration purposes and can be combined with each other, and are not limited to the contents presented in the following single embodiments.

[0028] See also Figure 1-7 The utility model provides a drone with a lens cleaning device, comprising a drone body 1, a cleaning module, a mirror plate 2, a camera 3 and a flexible member 4; the mirror plate 2 is provided with a mirror hole and fixedly arranged on the drone body 1, the camera 3 is installed on the mirror plate 2 through a mounting frame, the lens of the camera 3 is aligned with the mirror hole, the mirror hole is provided with a lens 301, and a cleaning module is provided on one side of the lens 301, and the cleaning module is used to clean the lens 301; the cleaning module comprises an output shaft 7 rotatably mounted on the mirror plate 2, a connecting block 5 fixedly connected to the outer circumference of the output shaft 7 and a device for driving the output shaft 7 to rotate; in this embodiment; the output shaft 7 is rotatably mounted on the mirror plate 2 through a bearing, and the connecting block 5 is fixed on the outer circumference of the output shaft 7. The first drive motor is fixed on the mirror plate 2, and is transmission-connected with the output shaft 7, and is used to drive the output shaft 7 to rotate. In addition, a wireless control module is also included, which is connected to the first drive motor signal and is used to control the operation of the first drive motor. The first drive motor can be constructed as a servo motor. When the drone is in an air working state, the servo motor is controlled to start or stop by the wireless control module, thereby realizing the cleaning of the lens. The connection block 5 includes a receiving cavity 502 for receiving the flexible member 4 and a mounting portion 501 for mounting a winding mechanism, the winding mechanism being mounted on the mounting portion 501 of the connection block 5, and the winding mechanism being used to roll up the flexible member 4; a pressing assembly is provided on the flexible member 4 along the path from the receiving cavity 502 to the winding mechanism, and the pressing assembly is used to apply pressure to the flexible member 4 to make it close to the surface of the lens 301. In this embodiment, the flexible member 4 can be constructed as a dust-free cloth, one end of which is connected to the winding mechanism, and the other end is rolled into a cylindrical shape and is located in the receiving cavity 502. In this application, the flexible member 4 can be made to fit with the lens 301 through the pressing assembly, so that the cleaning effect is better.

[0029] In this embodiment, it also includes a placement shaft 10 fixedly mounted on the connection block 5 and located in the accommodating chamber 502, and a sleeve 11 sleeved on the placement shaft 10, and one end of the flexible member 4 located in the accommodating chamber 502 is fixedly connected to the outer peripheral surface of the sleeve 11. By providing the sleeve 11, the sleeve 11 is fixedly connected to one end of the flexible member 4 located in the accommodating chamber 502, and when the flexible member 4 is wound and dragged by the winding mechanism, the flexible member 4 will not shake significantly when rolling around itself, and the stability is better, and when the radial dimension of the cylinder of the flexible member 4 is gradually reduced as time passes, the sleeve 11 is sleeved on the placement shaft 10, and the flexible member 4 will not fall out of the accommodating chamber 502.

[0030] In this embodiment, the winding mechanism includes: a winding shaft 8 and a second drive motor 9, the second drive motor 9 is fixedly mounted on the mounting portion 501 of the connecting block 5, the second drive motor 9 is used to drive the winding shaft 8 to rotate, and the winding shaft 8 is fixedly connected to the end of the flexible member 4 away from the accommodating chamber 502. In this embodiment, the second drive motor 9 can be constructed as a servo motor, which is also connected to the wireless control module signal, and the winding of the flexible member 4 is achieved by controlling the rotation of the second drive motor 9. After the flexible member 4 has been used for a period of time, the area where the pressing assembly is located becomes dirty. At this time, the second drive motor 9 can be rotated to pull the clean flexible member 4 located in the accommodating chamber 502, and the dirty part of the flexible member 4 is rolled up on the winding shaft 8 of the second drive motor 9, and the dirty flexible member 4 originally located in the area where the pressing assembly is located is replaced by a clean flexible member 4, so that the cleaning effect is guaranteed.

[0031] In this embodiment, the pressing assembly includes a wet pressing block 13 and a dry pressing block 14, and the wet pressing block 13 and the dry pressing block 14 are connected to the connecting block 5 through the first elastic member 17 and the second elastic member 18 respectively. The flexible member 4 forms a wet area and a dry area corresponding to the wet pressing block 13 and the dry pressing block 14. In this embodiment, the setting of the pressing assembly can make the flexible member 4 better fit the lens 301, so as to achieve a better cleaning effect. The wet pressing block 13 and the dry pressing block 14 can respectively wet and dry the lens 301. More specifically, as Figure 7 The first elastic member 17 includes a first telescopic rod, a spring and a second telescopic rod. The first telescopic rod and the second telescopic rod are axially connected. The first telescopic rod is fixed to and communicated with the wet pressing block 13. The second telescopic rod is fixed to and communicated with the connecting block 5. The second telescopic rod is provided with a first spring. The two ends of the first spring are respectively connected to the first telescopic rod and the connecting block 5. In order to make the structure simpler and save costs, the second elastic member 18 can directly construct the second spring. The two ends of the second spring are respectively connected to the dry pressing block 14 and the connecting block 5. The elastic forces of the first spring and the second spring respectively make the wet pressing block 13 and the dry pressing block 14 stick to the lens 301. The wet pressing block 13 can be constructed as a sponge, and the dry pressing block 14 can be constructed as a wooden block or other hard materials with a certain water absorption capacity.

[0032] In this embodiment, a partition 15 is further included, which is fixed on the connecting block 5 and separates the wet pressed block 13 from the dry pressed block 14. By setting the partition 15, the wet pressed block 13 and the dry pressed block 14 are separated, and the partition 15 can effectively separate the wet pressed block 13 and the dry pressed block 14 to ensure the independence of their respective functions.

[0033] In this embodiment, a roller is rotatably mounted on the top of the partition plate 15. In this embodiment, a roller is rotatably mounted on the top of the partition plate 15 via a pin to reduce resistance when the flexible member 4 moves.

[0034] In this embodiment, the width of the dry pressed block 14 is greater than the width of the wet pressed block 13. In this embodiment, in order to ensure the cleaning effect, the width of the dry pressed block 14 is greater than the width of the wet pressed block 13, ensuring a more adequate drying effect.

[0035] In this embodiment, Figure 2-Figure 7 The drone body 1 is also provided with a liquid storage tank 12, which is filled with cleaning liquid. The liquid storage tank 12 is connected to the wet pressing block 13, and a delivery pump is also provided in the liquid storage tank 12 to deliver the cleaning liquid to the area where the wet pressing block 13 is located. In this embodiment, a liquid storage tank 12 is installed on the drone body 1 for filling cleaning liquid. In this embodiment, the liquid storage tank 12 is connected to the wet pressing block 13 through the infusion tube 6, the output shaft 7 and the catheter 19, one end of the catheter 19 is fixed to the output shaft 7, and the other end is fixed to the connecting block 5. The cleaning liquid in the liquid storage tank 12 flows through the infusion tube 6, the output shaft 7 and the catheter 19 in turn and reaches the wet pressing block 13. A delivery pump is provided in the liquid storage tank 12 for delivering the cleaning liquid in the liquid storage tank 12 to the area where the wet pressing block 13 is located. The wireless control module is also connected to the delivery pump signal, and the precise control of the supply of cleaning liquid is achieved by controlling the operation of the delivery pump. The liquid storage cavity and the delivery pump ensure the supply of cleaning liquid and improve the cleaning effect. In order to realize the delivery of cleaning liquid by the delivery pump, the infusion tube 6 is rotatably connected to the output shaft 7 through a bearing. The output shaft 7 is sleeved outside the infusion tube 6. One end of the infusion tube 6 located inside the output shaft 7 is designed to have an opening in the ball head shape, and the opening faces the direction of the lens 301. Figure 6 When the output shaft 7 rotates, the infusion tube 6 can deliver the cleaning liquid through the opening. In addition, the infusion tube 6 can also be provided with a one-way valve to prevent the cleaning liquid from flowing back.

[0036] In this embodiment, Figure 3 , further comprising a bite block 16, a bite groove and a sliding portion 503, wherein the sliding portion 503 is arranged on the connecting block 5, the bite block 16 is slidably connected to the sliding portion 503 of the connecting block 5, the bite groove is arranged on the connecting block 5 and corresponds to the bite block 16, the flexible member 4 is located between the bite block 16 and the bite groove, and the bite block 16 can be inserted into the bite groove to achieve the bite of the flexible member 4. In this embodiment, the flexible member 4 is located between the bite block 16 and the bite groove, and the bite block 16 can be inserted into the bite groove to achieve the bite of the flexible member 4. By engaging and fixing the flexible member through the bite block 16 and the bite groove, when the output shaft 7 rotates to clean the lens 301, the cleaning effect of the flexible member 4 will not be poor due to friction.

[0037] In this embodiment, the bite block 16 includes a plurality of trapezoidal protrusions in a linear array, and the bite groove includes a plurality of trapezoidal grooves in a linear array. The plurality of trapezoidal protrusions match the plurality of trapezoidal grooves, and the trapezoidal grooves and the trapezoidal protrusions are attracted and combined by an electromagnetic assembly that can generate magnetism. In this embodiment, the bite block 16 is processed with a plurality of trapezoidal protrusions in a linear array, and the bite groove is processed with a plurality of trapezoidal grooves in a linear array. The trapezoidal protrusions match the trapezoidal grooves, and the trapezoidal structure is designed to make the bite tighter and more reliable without damaging the flexible member 4. The trapezoidal groove and the trapezoidal protrusion are connected by an electromagnetic assembly, and the electromagnetic assembly includes an electromagnet and an iron block, the iron block is fixed at the lower end of the trapezoidal protrusion, and the electromagnet is fixed at the upper end of the trapezoidal groove. When the electromagnet is powered on, magnetism is generated, the iron block is attracted, and the trapezoidal protrusion is inserted into the trapezoidal groove, so that the bite block 16 and the bite groove are engaged. When the electromagnet is powered off, the magnetism is lost, the iron block is separated from the electromagnet, and the bite block 16 can be removed from the bite groove. The controller in the wireless control module is electrically connected to the electromagnetic assembly, and the bite action is controlled by controlling the on and off of the electromagnet.

[0038] The wireless control module in this embodiment adopts the common wireless control technology in the prior art.

[0039] In this embodiment, the flexible member 4, the connecting block 5, the winding mechanism and the pressing assembly are matched and arranged correspondingly and are provided in multiple groups, and the circumferential array is arranged on the outer peripheral surface of the output shaft 7. The cleaning efficiency and effect can be improved by the arrangement of multiple groups.

[0040] Working principle of this utility model:

[0041] The staff controls the first drive motor, the second drive motor 9, the electromagnet and the delivery pump through the wireless control module to achieve the cleaning of the lens 301. When the lens 301 needs to be cleaned, the delivery pump is started to wet the wet pressing block 13, and then the delivery pump is turned off, the electromagnet is started to make the bite block 16 and the bite groove bite each other to fix the flexible member 4, the first drive motor is started, and the output shaft 7 moves in a circle on the first drive motor, thereby achieving the cleaning of the lens 301. When the flexible member 4 becomes dirty after a period of use and the cleaning ability decreases, the electromagnet is turned off to make the bite block 16 and the bite groove separate from each other, and the second drive motor 9 is started. The second drive motor 9 drives the winding shaft 8 to rotate, and the winding shaft 8 drives the flexible member 4 to move, and the dirty flexible member 4 is rolled up on the winding shaft 8, and the clean flexible member 4 is dragged out from the accommodating chamber 502. After that, the electromagnet is started to make the bite block 16 and the bite groove bite each other to fix the flexible member 4. Among them, the rotation direction of the output shaft 7 is toward the winding shaft 8.

[0042] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A drone with a lens cleaning device, characterized in that: It comprises a drone body (1), a cleaning module, a mirror plate (2), a camera (3) and a flexible part (4); The mirror plate (2) is provided with a mirror hole and is fixedly mounted on the drone body (1); the camera (3) is mounted on the mirror plate (2) via a mounting frame; the lens of the camera (3) is aligned with the mirror hole; the mirror hole is provided with a lens (301); a cleaning module is provided on one side of the lens (301); the cleaning module is used to clean the lens (301); The cleaning module comprises an output shaft (7) rotatably mounted on the mirror plate (2), a connecting block (5) fixedly connected to the outer peripheral surface of the output shaft (7), and a first driving motor for driving the output shaft (7) to rotate; The connection block (5) comprises a receiving cavity (502) for receiving the flexible member (4) and a mounting portion (501) for mounting a winding mechanism, the winding mechanism being mounted on the mounting portion (501) of the connection block (5), and the winding mechanism being used to wind up the flexible member (4); The flexible member (4) is provided with a pressing assembly along the path from the accommodating cavity (502) to the winding mechanism, and the pressing assembly is used to apply a pressure force to the flexible member (4) so ​​that it is tightly attached to the surface of the lens (301).

2. The drone with a lens cleaning device according to claim 1, characterized in that: It also comprises a placement shaft (10) fixedly mounted on the connection block (5) and located in the accommodating cavity (502), and a sleeve (11) sleeved on the placement shaft (10); the flexible member (4) is located at one end of the accommodating cavity (502) and is fixedly connected to the outer peripheral surface of the sleeve (11).

3. The drone with a lens cleaning device according to claim 2, characterized in that: The winding mechanism comprises: a winding shaft (8) and a second drive motor (9), wherein the second drive motor (9) is fixedly mounted on a mounting portion (501) of the connection block (5), and the second drive motor (9) is used to drive the winding shaft (8) to rotate, and the winding shaft (8) is fixedly connected to an end of the flexible member (4) away from the accommodating cavity (502).

4. The drone with a lens cleaning device according to claim 1, characterized in that: The pressing assembly comprises a wet pressing block (13) and a dry pressing block (14); the wet pressing block (13) and the dry pressing block (14) are respectively connected to the connecting block (5) via a first elastic member (17) and a second elastic member (18); and the flexible member (4) forms a wet area and a dry area corresponding to the areas where the wet pressing block (13) and the dry pressing block (14) are located.

5. The drone with a lens cleaning device according to claim 4, characterized in that: It also comprises a partition (15), wherein the partition (15) is fixed on the connecting block (5) and separates the wet pressed blocks (13) from the dry pressed blocks (14).

6. The drone with a lens cleaning device according to claim 5, characterized in that: A roller is rotatably mounted on the top of the partition (15).

7. The drone with a lens cleaning device according to claim 4, characterized in that: The width of the dry pressed block (14) is greater than the width of the wet pressed block (13).

8. The drone with a lens cleaning device according to claim 4, characterized in that: The drone body (1) is further provided with a liquid storage tank (12), the liquid storage tank (12) being filled with cleaning liquid, the liquid storage tank (12) being in communication with the wet pressing block (13), and a delivery pump being further provided in the liquid storage tank (12) for delivering the cleaning liquid to the area where the wet pressing block (13) is located.

9. The drone with a lens cleaning device according to claim 1, characterized in that: The device further comprises a bite block (16), a bite groove and a sliding portion (503), wherein the sliding portion (503) is arranged on the connecting block (5), the bite block (16) is slidably connected to the sliding portion (503) of the connecting block (5), the bite groove is arranged on the connecting block (5) and corresponds to the bite block (16), the flexible member (4) is located between the bite block (16) and the bite groove, and the bite block (16) can be inserted into the bite groove to achieve bite of the flexible member (4).

10. The drone with a lens cleaning device according to claim 9, characterized in that: The bite block (16) comprises a plurality of trapezoidal protrusions in a linear array, and the bite groove comprises a plurality of trapezoidal grooves in a linear array. The plurality of trapezoidal protrusions match the plurality of trapezoidal grooves, and the trapezoidal grooves and the trapezoidal protrusions are attracted to each other through an electromagnetic component capable of generating magnetism.

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