Unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing, which comprises an unmanned aerial vehicle body, a mounting frame, an adjusting mechanism and a control mechanism, the unmanned aerial vehicle body comprises a machine body, and a mounting groove is concavely formed in the bottom of the machine body; one end of the mounting frame is rotationally arranged on the inner side of the mounting groove, a mounting column is fixedly mounted on the inner side of the mounting frame, a rotating shaft rotationally penetrates through the lower end of the mounting column, and a liquid crystal spectrum camera is mounted on a rod body of the rotating shaft through a bracket; the adjusting mechanism is mounted on the mounting column and the rotating shaft and used for driving the liquid crystal spectrum camera to rotate, the adjusting mechanism comprises a worm wheel fixed to the right end of the rotating shaft, and two mounting plates are fixedly arranged on the right side wall of the mounting column. According to the utility model, the angle of the mounting rack can be adjusted through the control mechanism, and when the liquid crystal spectrum camera is not used, the camera is firstly stored in the inner side of the mounting rack, and then the whole mounting rack is stored in the mounting groove, so that the liquid crystal spectrum camera is stored and protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, concretely is unmanned plane device of land imaging analysis based on multispectral remote sensing. BACKGROUND

[0002] Near-ground remote sensing refers to collecting the spectral information of ground objects by sensors at different heights near the ground, which is used for identifying the earth's environment and resources, classifying and identifying ground objects. Near-ground remote sensing sensors are usually set on ground platforms, such as mobile vehicles, high-altitude supports, etc. In recent years, with the rapid development of unmanned aerial vehicles and their unique advantages as remote sensing platforms, more and more near-ground remote sensing platforms have chosen unmanned aerial vehicles.

[0003] Multi-rotor unmanned aerial vehicle is a major branch of unmanned aerial vehicle, which has strong controllability, vertical take-off and landing, and hovering, and is particularly suitable for low-altitude, low-speed, vertical take-off and hovering tasks, and is an ideal platform for remote sensing. Usually, the camera is installed below the unmanned aerial vehicle body. During the flight of the unmanned aerial vehicle or when not in use, the camera is usually exposed to the outside, lacking effective storage protection measures, and is easily affected by external factors such as collision, dust, and rain, reducing the service life of the camera. Therefore, it is necessary to develop an unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0006] The unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing comprises an unmanned aerial vehicle body, a mounting rack, an adjusting mechanism and a control mechanism.

[0007] The unmanned aerial vehicle body comprises a body, and the bottom of the body is concave and provided with a mounting groove;

[0008] One end of the mounting rack is rotatably arranged on the inner side of the mounting groove, and the inner side of the mounting rack is fixedly provided with a mounting column, and the lower end of the mounting column is rotatably provided with a rotating shaft, and the upper end of the rotating shaft is rotatably provided with a liquid crystal spectral camera.

[0009] The adjusting mechanism is installed on the mounting column and the rotating shaft for driving the liquid crystal spectrum camera to rotate, and comprises a worm wheel fixed to the right end of the rotating shaft, two mounting plates fixedly arranged on the right side wall of the mounting column, and a worm meshing with the worm wheel arranged between the two mounting plates.

[0010] The control mechanism is installed in the mounting groove for driving the mounting frame to rotate, and comprises a rotating rod fixedly penetrating the side wall of one end of the mounting frame, gear wheels fixedly arranged at the outer sides of both ends of the rotating rod, an electric telescopic rod fixedly arranged in the inner cavity of the mounting groove, a connecting plate fixedly arranged at the output end of the electric telescopic rod, and a rack arranged at the bottom of the connecting plate and meshing with the gear wheels.

[0011] As one preferred scheme of the unmanned aerial vehicle device for land imaging analysis based on multi-spectrum remote sensing, the adjusting mechanism further comprises a small servo deceleration motor fixed to the right side wall of the mounting column, and an output shaft of the small servo deceleration motor is connected with the end of the worm through a shaft coupling.

[0012] As one preferred scheme of the unmanned aerial vehicle device for land imaging analysis based on multi-spectrum remote sensing, the lead angle of the worm is less than the equivalent friction angle between the gear teeth of the worm wheel.

[0013] As one preferred scheme of the unmanned aerial vehicle device for land imaging analysis based on multi-spectrum remote sensing, the inner side of the mounting groove is fixedly provided with bearing seats at the positions of both ends of the rotating rod, and the bearing seats are rotationally connected with the rotating rod.

[0014] As one preferred scheme of the unmanned aerial vehicle device for land imaging analysis based on multi-spectrum remote sensing, the inner cavity of the mounting groove is fixedly provided with a fixed plate at the top wall, and the side wall of the fixed plate is fixedly connected with the end of the electric telescopic rod.

[0015] As one preferred scheme of the unmanned aerial vehicle device for land imaging analysis based on multi-spectrum remote sensing, the side wall of the rack is slidingly provided with a limiting guide rod, the limiting guide rod is arranged in parallel with the rack, both ends of the limiting guide rod are fixedly provided with a fixed frame, and the upper end of the fixed frame is fixed to the top wall of the inner cavity of the mounting groove.

[0016] The control mechanism can adjust the angle of the mounting frame, the liquid crystal spectrum camera can be first received in the inner side of the mounting frame, and then the mounting frame as a whole can be received in the mounting groove, so that the liquid crystal spectrum camera can be protected. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and specific embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. Among them:

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is a structural schematic view of the present application in the upward direction;

[0020] Figure 3 is a structural schematic view of the present application Figure 2 in the A area;

[0021] Figure 4 is a structural schematic view of the present application mounting rack, adjusting mechanism and control mechanism;

[0022] Figure 5 is a structural schematic view of the present application Figure 4 in the side direction;

[0023] Figure 6 is a structural schematic view of the present application after the mounting rack is received in the mounting groove;

[0024] Figure 7 is a structural schematic view of the present application Figure 2 after the mounting rack is received in the mounting groove;

[0025] Figure 8 is a structural schematic view of the present application Figure 7 in the B area.

[0026] In the figure: unmanned aerial vehicle body 100, body 101, mounting groove 102, mounting rack 200, mounting column 201, rotating shaft 202, support 203, liquid crystal spectrum camera 204, adjusting mechanism 300, worm wheel 301, mounting plate 302, worm 303, small servo reduction motor 304, control mechanism 400, rotating rod 401, gear 402, electric telescopic rod 403, connecting plate 404, rack 405, bearing seat 406, fixed plate 407, limit guide rod 408, fixed frame 409. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, 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 drawings.

[0028] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific implementation manner disclosed below.

[0029] Secondly, the present application is described in detail in combination with the schematic diagram, when the present application is described in detail, 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 here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below in combination with the drawings.

[0031] Please refer to Figures 1-8 , which is a structural schematic diagram of the unmanned aerial vehicle device embodiment for land imaging analysis based on multispectral remote sensing of the present application, please refer to Figures 1-8 , the unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing is introduced in detail.

[0032] The unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing comprises an unmanned aerial vehicle body 100, a mounting bracket 200, an adjusting mechanism 300 and a control mechanism 400.

[0033] The unmanned aerial vehicle body 100 comprises a body 101, and a mounting groove 102 is arranged in the bottom of the body 101 in a concave manner;

[0034] One end of the mounting bracket 200 is rotatably arranged on the inner side of the mounting groove 102, and a mounting column 201 is fixedly arranged on the inner side of the mounting bracket 200, a rotating shaft 202 is rotatably arranged on the lower end of the mounting column 201, and a liquid crystal spectral camera 204 is arranged on the rod of the rotating shaft 202 through a support 203;

[0035] It should be noted that the image acquisition method of the liquid crystal spectral camera 204 can refer to the near-ground remote sensing image acquisition method based on unmanned aerial vehicle in the authorized patent application No. 201910503338.1;

[0036] The adjusting mechanism 300 is installed on the mounting column 201 and the rotating shaft 202 for driving the liquid crystal spectrum camera 204 to rotate, the adjusting mechanism 300 comprises a worm wheel 301 fixed on the right end of the rotating shaft 202, the right side wall of the mounting column 201 is fixedly provided with two mounting plates 302, and a worm 303 engaged with the worm wheel 301 is arranged between the two mounting plates 302; the liquid crystal spectrum camera 204 is controlled to rotate through the adjusting mechanism 300, that is, the angle of the liquid crystal spectrum camera 204 in the pitch view can be adjusted, the image collected from different angles is facilitated, and when the liquid crystal spectrum camera 204 is not used, the liquid crystal spectrum camera 204 can also be retracted into the inside of the mounting frame 200.

[0037] The control mechanism 400 is installed in the mounting groove 102 for driving the mounting frame 200 to rotate, comprising a rotating rod 401 fixedly penetrating through one end of the side wall of the mounting frame 200, gear wheels 402 fixedly arranged on the outer sides of both ends of the rotating rod 401, an electric telescopic rod 403 fixedly arranged in the inner cavity of the mounting groove 102, a connecting plate 404 fixedly arranged on the output end of the electric telescopic rod 403, and a rack 405 engaged with the gear wheels 402 arranged on the bottom of the connecting plate 404; the angle of the mounting frame 200 can be adjusted through the control mechanism 400, so that after the liquid crystal spectrum camera 204 is retracted into the inside of the mounting frame 200 and the mounting frame 200 is retracted into the mounting groove 102, the liquid crystal spectrum camera 204 is protected;

[0038] Further, the adjusting mechanism 300 further comprises a small servo reduction motor 304 fixed on the right side wall of the mounting column 201, the output shaft of the small servo reduction motor 304 is connected with the end of the worm 303 through a shaft coupling, the worm 303 is driven to rotate through the small servo reduction motor 304, and the rotating shaft 202 is driven to rotate through the worm wheel 301, that is, the angle of the liquid crystal spectrum camera 204 can be adjusted;

[0039] Further, the lead angle of the worm 303 is smaller than the equivalent friction angle between the gear teeth of the worm wheel 301, reverse self-locking is realized, that is, only the worm 303 can drive the worm wheel 301, but the worm wheel 301 cannot drive the worm 303, so that the liquid crystal spectrum camera 204 after the angle adjustment is more stable;

[0040] Further, the bearing seats 406 are fixedly installed on both ends of the rotating rod 401 on the inside of the mounting groove 102, the bearing seats 406 are rotationally connected with the rotating rod 401, and the bearing seats 406 are arranged for mounting the rotating rod 401, so as to reduce the friction of the rotating rod 401 after rotation;

[0041] Further, the inner cavity top wall of the mounting groove 102 is fixedly provided with a fixed plate 407, the side wall of the fixed plate 407 is fixedly connected with the end of the electric telescopic rod 403, for fixing the electric telescopic rod 403 in the inner cavity of the mounting groove 102;

[0042] Further, the side wall of the rack 405 is slidingly provided with a limiting guide rod 408, the limiting guide rod 408 is parallelly arranged with the rack 405, the two ends of the limiting guide rod 408 are fixedly provided with a fixed frame 409, the upper end of the fixed frame 409 is fixedly arranged on the inner cavity top wall of the mounting groove 102, when the electric telescopic rod 403 pushes and pulls the connecting plate 404 to drive the rack 405 to move, the rack 405 moves along the axial direction of the limiting guide rod 408, improving the stability of the rack 405 when moving.

[0043] Although the present application has been described with reference to the embodiments above, it is possible to make various improvements and replace the components with equivalents without departing from the scope of the present application. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed in the present application can be combined with each other in any way, and the combinations are not exhaustively described in the present specification only for the consideration of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An unmanned aerial vehicle device for land imaging analysis based on multispectral remote sensing, comprising an unmanned aerial vehicle body (100), a mounting frame (200), an adjusting mechanism (300) and a control mechanism (400), characterized in that: the unmanned aerial vehicle body (100) comprises a body (101), and a mounting groove (102) is arranged in the bottom of the body (101); one end of the mounting frame (200) is rotatably arranged on the inner side of the mounting groove (102), a mounting column (201) is fixedly arranged on the inner side of the mounting frame (200), a rotating shaft (202) is rotatably arranged at the lower end of the mounting column (201), and a liquid crystal spectral camera (204) is arranged on the rod of the rotating shaft (202) through a support (203); the adjusting mechanism (300) is arranged on the mounting column (201) and the rotating shaft (202) to drive the liquid crystal spectral camera (204) to rotate, the adjusting mechanism (300) comprises a worm gear (301) fixedly arranged at the right end of the rotating shaft (202), two mounting plates (302) are fixedly arranged on the right side wall of the mounting column (201), and a worm (303) engaging with the worm gear (301) is arranged between the two mounting plates (302); the control mechanism (400) is arranged in the mounting groove (102) to drive the mounting frame (200) to rotate, comprising a rotating rod (401) fixedly penetrating the side wall of one end of the mounting frame (200), gear wheels (402) fixedly arranged on the outer sides of both ends of the rod of the rotating rod (401), an electric telescopic rod (403) fixedly arranged in the inner cavity of the mounting groove (102), a connecting plate (404) fixedly arranged at the output end of the electric telescopic rod (403), and a rack (405) engaging with the gear wheels (402) arranged on the bottom of the connecting plate (404).

2. The UAV apparatus for multispectral remote sensing based land imaging analysis according to claim 1, characterized in that: The adjusting mechanism (300) further comprises a small servo speed reducer motor (304) fixedly arranged on the right side wall of the mounting column (201), and the output shaft of the small servo speed reducer motor (304) is connected with the end of the worm (303) through a shaft coupling.

3. The unmanned aerial vehicle apparatus for multispectral remote sensing based land imaging analysis according to claim 1, characterized in that: The lead angle of the worm (303) is smaller than the equivalent friction angle between the gear teeth of the worm gear (301).

4. The unmanned aerial vehicle apparatus for multispectral remote sensing based land imaging analysis according to claim 1, characterized in that: Bearing seats (406) are fixedly arranged on the inner side of the mounting groove (102) at the positions of both ends of the rotating rod (401), and the bearing seats (406) are rotatably connected with the rotating rod (401).

5. The unmanned aerial vehicle apparatus for multispectral remote sensing based land imaging analysis as claimed in claim 1 wherein: A fixed plate (407) is fixedly arranged on the top wall of the inner cavity of the mounting groove (102), and the side wall of the fixed plate (407) is fixedly connected with the end of the electric telescopic rod (403).

6. The unmanned aerial vehicle apparatus for multispectral remote sensing based land imaging analysis according to claim 1, characterized in that: A limiting guide rod (408) is slidably arranged through the side wall of the rack (405), the limiting guide rod (408) is arranged in parallel with the rack (405), fixed frames (409) are fixedly arranged at both ends of the limiting guide rod (408), and the upper ends of the fixed frames (409) are fixedly arranged on the top wall of the inner cavity of the mounting groove (102).

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