Device for improving measurement precision of unmanned aerial vehicle

Abstract

The utility model relates to the technical field of surveying and mapping equipment, in particular to a device for improving the measurement precision of an unmanned aerial vehicle, which not only assists in surveying and mapping by various equipment, improves the surveying and mapping precision and compensates the influence generated by wind power, but also can perform surveying and mapping at night, prolongs the working time of the unmanned aerial vehicle and improves the working efficiency. Comprising an unmanned aerial vehicle; the unmanned aerial vehicle further comprises a rotating mechanism, an aerial photographing mechanism, an auxiliary mechanism and a night photographing mechanism, the rotating mechanism is installed on the unmanned aerial vehicle and facilitates surveying and mapping angle adjustment, the aerial photographing mechanism is installed on the rotating mechanism and surveys and maps the ground, and the auxiliary mechanism is installed on the unmanned aerial vehicle and assists the aerial photographing mechanism in surveying and mapping the ground. The night shooting mechanism is installed on the unmanned aerial vehicle and facilitates surveying and mapping of the unmanned aerial vehicle at night.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying and mapping equipment, in particular to a device for improving the measurement accuracy of an unmanned aerial vehicle (UAV). Background Technique

[0002] With the development of technology, using a UAV for aerial surveying and mapping has become a novel surveying and mapping method. The UAV conducts aerial photography through a camera body carried thereon, and transmits the captured images and pictures to a receiving device by wireless transmission.

[0003] For existing UAV measurement devices, such as a surveying and mapping device for UAV measurement disclosed in the utility model patent with the application number 202321335707.9, its main structure includes a UAV body, a camera body, and a cleaning device. The camera body is arranged at the bottom of the UAV body, and the cleaning device is arranged on the UAV body. The cleaning device includes an air inlet cover and an air delivery pipe connected to each other. The cross-sectional area of the air inlet cover increases along the flight direction of the UAV body. Along the air flow direction, the cross-sectional area of the air delivery pipe decreases, and the air outlet of the air delivery pipe is arranged at the bottom of the lens of the camera body; during use, the airflow generated during the flight of the UAV is used to wash the lens of the camera body, thereby reducing the amount of dust and powder adhering to the lens.

[0004] However, most existing UAV surveying and mapping rely only on the camera, with poor measurement accuracy, and the visibility is poor at night, making it difficult to achieve UAV surveying and mapping, and the usage time is shortened. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a device for improving the measurement accuracy of a UAV, which not only uses multiple devices to assist in surveying and mapping, improves the surveying and mapping accuracy, compensates for the influence of wind force, but also can conduct surveying and mapping at night, extends the working time of the UAV, and improves the working efficiency.

[0006] A device for improving the measurement accuracy of an unmanned aerial vehicle of the present utility model includes an unmanned aerial vehicle; it further includes a rotating mechanism, an aerial surveying mechanism, an auxiliary mechanism, and a night shooting mechanism. The rotating mechanism is installed on the unmanned aerial vehicle and facilitates the adjustment of the surveying angle. The aerial surveying mechanism is installed on the rotating mechanism and conducts surveying on the ground. The auxiliary mechanism is installed on the unmanned aerial vehicle and assists the aerial surveying mechanism in conducting surveying on the ground. The night shooting mechanism is installed on the unmanned aerial vehicle and facilitates the unmanned aerial vehicle to conduct surveying at night; the staff can control the unmanned aerial vehicle to take off. The unmanned aerial vehicle moves the rotating mechanism and the aerial surveying mechanism to fly to the surveying area. The aerial surveying mechanism conducts surveying on the ground, uses the rotating mechanism to adjust the rotation of the aerial surveying mechanism to increase the surveying area, reduce the flight distance of the unmanned aerial vehicle, and at the same time uses the auxiliary mechanism to assist the aerial surveying mechanism in conducting surveying on the ground and compensate for the surveying influence brought by the wind. When conducting night cruise surveying, the night shooting mechanism can be used to illuminate the ground and conduct infrared surveying to improve the surveying effect.

[0007] Preferably, the unmanned aerial vehicle includes a central controller, a Beidou navigator, four connecting arms, four rotors, and two brackets. The internal of the central controller integrates relevant control systems. The Beidou navigator is installed on the central controller. The four connecting arms are all installed on the central controller. The four rotors are respectively installed on the four connecting arms. The brackets are installed on two adjacent connecting arms; the central controller drives the four rotors to rotate through electrical signals to drive the central controller to take off and hover, locates and controls the moving route of the central controller through the Beidou navigator, and facilitates the central controller to land on the ground through the two brackets to prevent scratching the aerial surveying mechanism.

[0008] Preferably, the rotating mechanism includes a connecting seat, a motor, a rotating shaft, a sleeve, and a protective sleeve. The connecting seat is installed at the bottom end of the central controller. The motor is installed on the connecting seat. The rotating shaft is rotatably installed on the connecting seat. The sleeve is installed on the rotating shaft. The protective sleeve is installed on the sleeve and is communicated with the inside of the central controller; according to the surveying needs, the motor can be started. The motor drives the rotating shaft to rotate, and the rotating shaft drives the sleeve to rotate, facilitating the aerial surveying mechanism to survey different areas, reducing the moving range of the unmanned aerial vehicle, and preventing dust and water vapor from entering the equipment through the protective sleeve.

[0009] Preferably, the aerial surveying mechanism includes a protective shell, a spring, a camera, a shock-absorbing sleeve, and a transmission line. The protective shell is installed on the sleeve. A groove is opened inside the protective shell. The spring is installed in the groove of the protective shell. The camera is installed on the spring. The shock-absorbing sleeve is sleeved on the camera. One end of the transmission line is communicated with the central controller, and the other end is communicated with the camera; the protective shell rotates with the sleeve and protects the camera. By setting the spring and the shock-absorbing sleeve, the influence of vibration during flight on the camera can be reduced, the stability of the camera is improved, the measurement accuracy is improved, and the surveying data is transmitted into the central controller for storage through the transmission line.

[0010] Preferably, the auxiliary mechanism includes a spirit level, four rangefinders, and an anemometer. The spirit level is installed on the central controller, the four rangefinders are all installed on the central controller, and the anemometer is installed on the central controller. According to the spirit level, it is detected whether the central controller and the four rangefinders are level, ensuring that the four rangefinders are at the same height. The four rangefinders measure the ground, and the auxiliary camera maps the ground, improving the measurement accuracy. The anemometer detects the surrounding wind speed and direction to compensate for the measurement error caused by the wind.

[0011] Preferably, the night shooting mechanism includes a searchlight and an infrared scanner. The searchlight is installed on the central controller, and the infrared scanner is installed on the central controller. When cruising and mapping at night, the staff can turn on the searchlight to illuminate the ground, facilitating the camera to map the ground. At the same time, the infrared scanner is used to scan the ground to improve the accuracy of ground mapping at night.

[0012] Preferably, the searchlight is a multi-functional cloud light. The multi-functional cloud light not only has the basic functions of LED lights but also adds various light types and special modes, which is suitable for the efficient lighting and indication of drones in complex environments.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The staff can control the takeoff of the drone. The drone's moving and rotating mechanism and aerial photography mechanism fly to the mapping area. The aerial photography mechanism maps the ground. The rotating mechanism is used to adjust the rotation of the aerial photography mechanism to increase the mapping area and reduce the flight distance of the drone. At the same time, the auxiliary mechanism is used to assist the aerial photography mechanism in mapping the ground and compensating for the mapping impact caused by the wind. When cruising and mapping at night, the night shooting mechanism can be used to illuminate the ground and conduct infrared mapping, improving the mapping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of the present utility model;

[0015] Figure 2 is the axonometric structural schematic diagram of the drone of the present utility model;

[0016] Figure 3 is the partial enlarged rear view structural schematic diagram of the rotating mechanism of the present utility model;

[0017] Figure 4 is the partial enlarged front view sectional structural schematic diagram of the drone, rotating mechanism and aerial photography mechanism of the present utility model;

[0018] Figure 5 is the sectional axonometric structural schematic diagram of the auxiliary mechanism and night shooting mechanism of the present utility model.

[0019] Reference signs in the drawings: 01, unmanned aerial vehicle; 11, central controller; 12, Beidou navigator; 13, connecting arm; 14, rotor; 15, bracket; 02, rotating mechanism; 21, connecting seat; 22, motor; 23, rotating shaft; 24, sleeve; 25, protective sleeve; 03, aerial photography mechanism; 31, protective case; 32, spring; 33, camera; 34, shock-absorbing sleeve; 35, transmission line; 04, auxiliary mechanism; 41, level; 42, rangefinder; 43, anemometer; 05, night shooting mechanism; 51, searchlight; 52, infrared scanner. Detailed implementation mode

[0020] For ease of understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present utility model is more thorough and comprehensive.

[0021] Embodiment 1

[0022] A device for improving the measurement accuracy of an unmanned aerial vehicle of the present utility model comprises an unmanned aerial vehicle 01; it further comprises a rotating mechanism 02, an aerial photography mechanism 03, an auxiliary mechanism 04 and a night photography mechanism 05. The rotating mechanism 02 is installed on the unmanned aerial vehicle 01 and facilitates adjusting the mapping angle. The aerial photography mechanism 03 is installed on the rotating mechanism 02 and conducts mapping on the ground. The auxiliary mechanism 04 is installed on the unmanned aerial vehicle 01 and assists the aerial photography mechanism 03 in conducting mapping on the ground. The night photography mechanism 05 is installed on the unmanned aerial vehicle 01 and facilitates the unmanned aerial vehicle to conduct mapping at night; the unmanned aerial vehicle 01 comprises a central controller 11, a Beidou navigator 12, four connecting arms 13, four rotors 14 and two brackets 15. The internal of the central controller 11 integrates relevant control systems. The Beidou navigator 12 is installed on the central controller 11. The four connecting arms 13 are all installed on the central controller 11. The four rotors 14 are respectively installed on the four connecting arms 13. The brackets 15 are installed on two adjacent connecting arms 13; the rotating mechanism 02 comprises a connecting seat 21, a motor 22, a rotating shaft 23, a sleeve 24 and a protective sleeve 25. The connecting seat 21 is installed at the bottom end of the central controller 11. The motor 22 is installed on the connecting seat 21. The rotating shaft 23 is rotatably installed on the connecting seat 21. The sleeve 24 is installed on the rotating shaft 23. The protective sleeve 25 is installed on the sleeve 24 and is in communication with the inside of the central controller 11; the aerial photography mechanism 03 comprises a protective case 31, a spring 32, a camera 33, a shock-absorbing sleeve 34 and a transmission line 35. The protective case 31 is installed on the sleeve 24. A groove is formed inside the protective case 31. The spring 32 is installed in the groove of the protective case 31. The camera 33 is installed on the spring 32. The shock-absorbing sleeve 34 is sleeved on the camera 33. One end of the transmission line 35 is in communication with the central controller 11, and the other end is in communication with the camera 33; the auxiliary mechanism 04 comprises a level 41, four rangefinders 42 and an anemometer 43. The level 41 is installed on the central controller 11. The four rangefinders 42 are all installed on the central controller 11. The anemometer 43 is installed on the central controller 11;When it is working, first of all, the central controller 11 drives the four groups of rotors 14 to rotate through electrical signals to drive the central controller 11 to take off and hover. The Beidou navigator 12 is used to position and control the movement route of the central controller 11. The two groups of brackets 15 facilitate the central controller 11 to land on the ground and prevent scratching the aerial photography mechanism 03. According to the mapping needs, the motor 22 can be started. The motor 22 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the sleeve 24 to rotate, which is convenient for driving the aerial photography mechanism 03 to map different areas and reduce the movement range of the drone. The protective sleeve 25 is provided to prevent dust and water vapor from entering the equipment interior. The protective shell 31 rotates with the sleeve 24 and protects the camera 33. By setting the spring 32 and the shock-absorbing sleeve 34, the influence of vibration during flight on the camera 33 can be reduced, the stability of the camera 33 is improved, and the measurement accuracy is improved. The mapping data is transmitted into the central controller 11 through the transmission line 35 for storage. According to the level 41, it is detected whether the central controller 11 and the four groups of rangefinders 42 are level, ensuring that the four groups of rangefinders 42 are at the same height. The four groups of rangefinders 42 measure the ground, assisting the camera 33 to map the ground, improving the measurement accuracy, and detecting the surrounding wind speed and direction through the anemometer 43 to compensate for the measurement error caused by the wind.

[0023] Embodiment 2

[0024] As Figures 1 to 5As shown, a device for improving the measurement accuracy of an unmanned aerial vehicle (UAV) according to the present utility model is based on Embodiment 1; the night shooting mechanism 05 includes a searchlight 51 and an infrared scanner 52. The searchlight 51 is installed on the central controller 11, and the infrared scanner 52 is installed on the central controller 11; further, the searchlight 51 is a multi-functional cloud table lamp; when it works, first, the central controller 11 drives the rotation of four groups of rotors 14 through electrical signals to drive the central controller 11 to take off and hover. The movement route of the central controller 11 is positioned and controlled by the Beidou navigator 12. The central controller 11 is landed on the ground conveniently through two groups of brackets 15 to prevent scratching the aerial photography mechanism 03. According to the needs of surveying and mapping, the motor 22 can be started. The motor 22 drives the rotation of the rotating shaft 23, and the rotating shaft 23 drives the rotation of the sleeve 24, which is convenient for driving the aerial photography mechanism 03 to survey different areas, reducing the movement range of the UAV. The protective sleeve 25 is provided to prevent dust and moisture from entering the equipment interior. The protective shell 31 rotates with the sleeve 24 to protect the camera 33. By setting the spring 32 and the shock-absorbing sleeve 34, the influence of vibration during flight on the camera 33 can be mitigated, improving the stability of the camera 33 and the measurement accuracy. The surveying records are transmitted into the central controller 11 through the transmission line 35 for storage. According to the level gauge 41, it is detected whether the central controller 11 and the four groups of rangefinders 42 are level, ensuring that the four groups of rangefinders 42 are at the same height. The four groups of rangefinders 42 measure the ground, assisting the camera 33 to survey the ground, improving the measurement accuracy, and the wind speed and direction around are detected by the anemometer 43 to compensate for the measurement error caused by the wind force. When cruising and surveying at night, the staff can turn on the searchlight 51 to illuminate the ground, facilitating the camera 33 to survey the ground, and at the same time, the infrared scanner 52 is used to scan the ground to improve the accuracy of ground surveying at night.

[0025] The motor 22, the camera 33 and the anemometer 43 of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached user manuals, without the need for creative labor from those skilled in the art.

[0026] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A device for improving the measurement accuracy of an unmanned aerial vehicle, comprising an unmanned aerial vehicle (01); characterized in that, It also includes a rotating mechanism (02), an aerial surveying mechanism (03), an auxiliary mechanism (04) and a night shooting mechanism (05). The rotating mechanism (02) is installed on the drone (01) to facilitate the adjustment of the surveying angle. The aerial surveying mechanism (03) is installed on the rotating mechanism (02) to conduct surveying on the ground. The auxiliary mechanism (04) is installed on the drone (01) to assist the aerial surveying mechanism (03) in conducting surveying on the ground. The night shooting mechanism (05) is installed on the drone (01) to facilitate the drone to conduct surveying at night.

2. The device for improving the measurement accuracy of a drone according to claim 1, characterized in that, The drone (01) includes a central controller (11), a Beidou navigator (12), four sets of connecting arms (13), four sets of rotors (14) and two sets of brackets (15). The internal of the central controller (11) integrates relevant control systems. The Beidou navigator (12) is installed on the central controller (11). The four sets of connecting arms (13) are all installed on the central controller (11). The four sets of rotors (14) are respectively installed on the four sets of connecting arms (13). The brackets (15) are installed on two adjacent sets of connecting arms (13).

3. The device for improving the measurement accuracy of a drone according to claim 2, characterized in that, The rotating mechanism (02) includes a connecting seat (21), a motor (22), a rotating shaft (23), a sleeve (24) and a protective sleeve (25). The connecting seat (21) is installed at the bottom end of the central controller (11). The motor (22) is installed on the connecting seat (21). The rotating shaft (23) is rotatably installed on the connecting seat (21). The sleeve (24) is installed on the rotating shaft (23). The protective sleeve (25) is installed on the sleeve (24) and is internally connected to the central controller (11).

4. The device for improving the measurement accuracy of a drone according to claim 3, wherein, The aerial surveying mechanism (03) includes a protective case (31), a spring (32), a camera (33), a shock-absorbing sleeve (34) and a transmission line (35). The protective case (31) is installed on the sleeve (24). A groove is opened inside the protective case (31). The spring (32) is installed in the groove of the protective case (31). The camera (33) is installed on the spring (32). The shock-absorbing sleeve (34) is sleeved on the camera (33). One end of the transmission line (35) is connected to the central controller (11), and the other end is connected to the camera (33).

5. The device for improving the measurement accuracy of a drone according to claim 2, wherein, The auxiliary mechanism (04) includes a level (41), four sets of rangefinders (42) and an anemometer (43). The level (41) is installed on the central controller (11). The four sets of rangefinders (42) are all installed on the central controller (11). The anemometer (43) is installed on the central controller (11).

6. The device for improving the measurement accuracy of a drone according to claim 2, characterized in that, The night shooting mechanism (05) includes a searchlight (51) and an infrared scanner (52). The searchlight (51) is installed on the central controller (11). The infrared scanner (52) is installed on the central controller (11).

7. The device for improving the measurement accuracy of a drone according to claim 6, characterized in that, It also includes that the searchlight (51) is a multi-functional cloud table lamp.

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