Spectral imaging equipment carried by unmanned aerial vehicle

Abstract

The utility model relates to the technical field of spectral imaging equipment, in particular to spectral imaging equipment carried by an unmanned aerial vehicle. Comprising a hanging plate, a gray-scale camera body and an auxiliary device, the auxiliary device comprises a hanging bracket, a linear guide rail, a sliding seat, a support, a first optical filter, a second optical filter, a limiting assembly and a driving assembly, during shooting, an unmanned aerial vehicle drives equipment to fly to a shooting site for shooting, then, during shooting, the gray-scale camera body can be matched with the first optical filter firstly to achieve shooting, and after shooting, the gray-scale camera body is matched with the second optical filter. The left side driving assembly drives the first optical filter to reset, and the right side driving assembly drives the second optical filter to move to the position under a lens of the gray-scale camera body for cooperative shooting, so that the device can obtain gray-scale images of two wave bands by installing one gray-scale camera body. Therefore, the problems that most of the optical filters of the existing gray-scale camera are singly matched for use, the optical filters are difficult to quickly deploy and use according to conditions during working, gray-scale images with single wave bands are shot, and the use is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of spectral imaging equipment, and in particular to a spectral imaging equipment carried by an unmanned aerial vehicle. Background Art

[0002] In the current environmental governance, shooting through drone technology is a common technology. When treating cyanobacteria, drones and grayscale cameras are usually used together. The grayscale camera is installed on the drone body and flies along the predetermined route at an altitude of 600m. According to the spectral reflectance characteristics of chlorophyll a and b, the optimized spectral bands are used, and filters of suitable bands are added to the grayscale industrial camera. The grayscale industrial camera aligns the grayscale images of the corresponding bands, converts the reflectivity, and splices the images with converted reflectivity and GPS information as a whole. The NDVI index of each pixel in the image is calculated, and the threshold is limited to highlight the cyanobacteria area.

[0003] However, in actual use, the filters of grayscale cameras are mostly used in a single combination, and it is difficult to quickly adjust them according to the situation during work. When shooting, a single-band grayscale image is obtained, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a spectral imaging device carried by an unmanned aerial vehicle, which solves the problem that the filters of existing grayscale cameras are mostly used in a single combination, are difficult to quickly adjust and use according to the situation during operation, and the grayscale images of a single band are taken, which is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: The utility model provides a spectral imaging device carried by an unmanned aerial vehicle, comprising a hanging plate and a grayscale camera body, wherein the grayscale camera body is detachably connected to the hanging plate and is located below the hanging plate, and further comprises an auxiliary device;

[0006] The auxiliary device includes a hanger, a linear guide, a slide, a bracket, a first filter, a second filter, a limit assembly and a drive assembly. The hanger is fixedly connected to the hanger plate and is located on the hanger plate. The linear guide is fixedly connected to the hanger plate and is located on both sides of the grayscale camera body. The slide is detachably connected to a linear slider equipped with the linear guide and is located on one side of the linear guide. The bracket is fixedly connected to the slide and is located on one side of the slide. The first filter is located on the left side of the grayscale camera body, and the second filter is located on the right side of the grayscale camera body. The limit assembly is arranged on the side of the bracket close to the first filter and the second filter respectively. The drive assembly is arranged on the side of the hanger plate close to the slide and is symmetrically arranged.

[0007] The hanging plate is provided with a first cable hole and a second cable hole, the first cable hole passes through the hanging plate and is located on one side of the hanging plate; the second cable hole passes through the hanging plate and is located on a side of the hanging plate away from the first cable hole.

[0008] Among them, the limiting assembly includes a mounting plate and a limiting plate, the mounting plate is integrally formed with the bracket, and is detachably connected to the first filter and the second filter respectively, and is located on the side of the bracket close to the grayscale camera body; the limiting plate is fixedly connected to the mounting plate and is located on the top of the mounting plate.

[0009] Among them, the driving assembly includes a fixed plate and an electric telescopic rod, the fixed plate and the hanging plate are integrally formed and are located on both sides of the hanging plate; the electric telescopic rod is fixedly connected to the fixed plate, and the output end of the electric telescopic rod is connected to the slide seat and is located on the fixed plate.

[0010] Wherein, the auxiliary device also includes a first rubber sleeve and a second rubber sleeve, the first rubber sleeve is detachably connected to the hanging plate and is located in the first cable hole; the second rubber sleeve is detachably connected to the hanging plate and is located in the second cable hole.

[0011] The utility model discloses a spectral imaging device carried by an unmanned aerial vehicle. The grayscale camera body is installed below a hanging plate, the hanging bracket is installed above the hanging plate, and can be connected to the frame of the unmanned aerial vehicle during installation. The linear guide rail is installed on the hanging plate, and the linear slider equipped therewith is connected to the slide seat through bolts. The bracket is installed on one side of the slide seat. The first filter is located on the left side of the grayscale camera body, and the second filter is located on the right side of the grayscale camera body. The limit assembly is arranged on the side of the bracket close to the first filter and the second filter respectively, and the driving assembly is arranged on the side of the hanging plate close to the slide seat. When shooting, the unmanned aerial vehicle drives the device to fly to the shooting location for shooting. Then, when shooting, the grayscale camera body can first cooperate with the first filter to realize shooting. After shooting, the left driving assembly drives the first filter to reset, and the right driving assembly drives the second filter to move to the right below the lens of the grayscale camera body for shooting. Therefore, the device can be installed with one grayscale camera body, and grayscale images of two bands can be obtained, thereby solving the problem that the filters of the existing grayscale cameras are mostly used in a single manner, and it is difficult to quickly allocate and use them according to the situation during work, and the grayscale image of a single band is taken during shooting, which is inconvenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0013] Figure 1 This is a schematic diagram of the overall structure of a spectral imaging device carried by a drone according to the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the slide seat of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic structural diagram of the installation disk of the first embodiment of the utility model.

[0016] Figure 4 This is a schematic diagram of the overall structure of a spectral imaging device carried by a drone according to the second embodiment of the utility model.

[0017] In the figure: 101-hanging plate, 102-grayscale camera body, 103-hanging bracket, 104-linear guide rail, 105-sliding seat, 106-bracket, 107-first filter, 108-second filter, 109-first cable hole, 110-second cable hole, 111-mounting plate, 112-limiting plate, 113-fixing plate, 114-electric telescopic rod, 201-first rubber sleeve, 202-second rubber sleeve. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Embodiment 1:

[0020] like Figures 1 to 3 As shown, Figure 1 This is a schematic diagram of the overall structure of the spectral imaging device carried by the drone. Figure 2 is a schematic diagram of the structure of the slide 105, Figure 3 It is a structural schematic diagram of the mounting plate 111. The utility model provides a spectral imaging device carried by a drone: including a hanging plate 101, a grayscale camera body 102 and an auxiliary device, wherein the auxiliary device includes a hanger 103, a linear guide 104, a slide 105, a bracket 106, a first filter 107, a second filter 108, a limit assembly and a drive assembly, wherein the limit assembly includes a mounting plate 111 and a limit plate 112, and the drive assembly includes a fixed plate 113 and an electric telescopic rod 114. The above-mentioned scheme can solve the problem that most of the existing grayscale camera filters are used in a single combination, it is difficult to quickly adjust and use them according to the situation during operation, and the grayscale image is a single band when shooting, which is inconvenient to use. It can be understood that the above-mentioned scheme can realize that the device is installed with a grayscale camera body 102, and grayscale images of two bands can be obtained.

[0021] In this embodiment, the grayscale camera body 102 is detachably connected to the hanging plate 101 and is located below the hanging plate 101. The grayscale camera body 102 is installed below the hanging plate 101 by bolts, and the control electrical box of the equipment can be directly integrated into the electrical control system of the drone.

[0022] Among them, the hanger 103 is fixedly connected to the hanger plate 101 and is located on the hanger plate 101, the linear guide 104 is fixedly connected to the hanger plate 101 and is located on both sides of the grayscale camera body 102, the slide 105 is detachably connected to the linear slider equipped with the linear guide 104, and is located on one side of the linear guide 104, the bracket 106 is fixedly connected to the slide 105 and is located on one side of the slide 105, the first filter 107 is located on the left side of the grayscale camera body 102, and the second filter 108 is located on the right side of the grayscale camera body 102, the limiting assembly is arranged on the side of the bracket 106 close to the first filter 107 and the second filter 108 respectively, and the driving assembly is arranged on the side of the hanger plate 101 close to the slide 105, and is symmetrically arranged. The cross section of the hanger 103 is I-shaped, the bottom is connected to the hanger plate 101 by bolts, and the top can be connected to the UAV frame by bolts. The linear guide 104 is installed on the hanger plate 101 by bolts, and the linear slider equipped with it is connected to the slide seat 105 by bolts. The bracket 106 is connected to the slide seat 105 by bolts. The first filter 107 is located on the left side of the grayscale camera body 102, and the second filter 108 is located on the right side of the grayscale camera body 102. The first filter 107 and the second filter When shooting, 108 can cooperate with the grayscale camera body 102 respectively, and its diameter is larger than the lens diameter of the grayscale camera body 102. The limiting component is arranged on the side of the bracket 106 close to the first filter 107 and the second filter 108 respectively, and is used for installing and fixing the first filter 107 and the second filter 108. The driving component is arranged on the side of the hanging plate 101 close to the slide 105, and is symmetrically arranged, for realizing the working movement and resetting of the first filter 107 and the second filter 108.

[0023] Secondly, the hanging plate 101 is provided with a first cable hole 109 and a second cable hole 110. The first cable hole 109 passes through the hanging plate 101 and is located on one side of the hanging plate 101; the second cable hole 110 passes through the hanging plate 101 and is located on the side of the hanging plate 101 away from the first cable hole 109. The first cable hole 109 and the second cable hole 110 are provided on the hanging plate 101. The first cable hole 109 is used for the working cable of the grayscale camera body 102 to pass through, and the second cable hole 110 is used for the working cables of the other working components to pass through. After the cables pass through from top to bottom, the bottom can be fixed on the hanging plate 101 through a cable clip to realize cable arrangement.

[0024] Then, the mounting plate 111 is integrally formed with the bracket 106, and is detachably connected to the first filter 107 and the second filter 108 respectively, and is located on the side of the bracket 106 close to the grayscale camera body 102; the limiting plate 112 is fixedly connected to the mounting plate 111, and is located on the top of the mounting plate 111. The mounting plate 111 is integrally formed with the bracket 106, and has a stepped circular cavity and a working through hole. The stepped circular cavity facilitates the direct placement of the first filter 107 and the second filter 108, and the working through hole facilitates shooting. The limiting plate 112 is installed on the top of the mounting plate 111 by bolts to limit the first filter 107 and the second filter 108 after installation, so as to prevent the first filter 107 and the second filter 108 from moving vertically.

[0025] Finally, the fixing plate 113 is integrally formed with the hanging plate 101 and is located on both sides of the hanging plate 101; the electric telescopic rod 114 is fixedly connected to the fixing plate 113, and the output end of the electric telescopic rod 114 is connected to the slide seat 105 and is located on the fixing plate 113. The fixing plate 113 is integrally formed with the hanging plate 101 to ensure strength, and the electric telescopic rod 114 is installed on the fixing plate 113 by bolts, and its output end is connected to the slide seat 105 by bolts.

[0026] When using the utility model to solve the problem that most of the existing grayscale camera filters are used in a single combination, it is difficult to quickly adjust them according to the situation during work, and the grayscale image of a single band is taken, which is inconvenient to use, first, the device is installed on the drone frame through the hanger 103, and then, when shooting, the drone drives the device to fly to the shooting location for shooting, and then, when shooting, the grayscale camera body 102 can first cooperate with the first filter 107 to achieve shooting, at this time, the left electric telescopic rod 114 is in the pushed-out state, and the right electric telescopic rod 114 is in the retracted state. After shooting, the electric telescopic rod 114 on the left side retracts to drive the first filter 107 to reset, and the electric telescopic rod 114 on the right side extends to drive the second filter 108 to move to the bottom of the lens of the grayscale camera body 102 for shooting. Thus, the device can be equipped with one grayscale camera body 102 to obtain grayscale images of two bands, thereby solving the problem that most of the filters of the existing grayscale cameras are used in a single manner, which is difficult to be quickly adjusted according to the situation during work, and the grayscale image of a single band is obtained during shooting, which is inconvenient to use.

[0027] Embodiment 2:

[0028] like Figure 4 As shown, Figure 4is a schematic diagram of the overall structure of a spectral imaging device carried by a drone. On the basis of the first embodiment, the utility model provides a spectral imaging device carried by a drone, wherein the auxiliary device further includes a first rubber sleeve 201 and a second rubber sleeve 202 .

[0029] The first rubber sleeve 201 is detachably connected to the hanging plate 101 and is located in the first cable hole 109; the second rubber sleeve 202 is detachably connected to the hanging plate 101 and is located in the second cable hole 110. The first rubber sleeve 201 has a T-shaped cross section, and the internal through hole is convenient for the working cable of the grayscale camera body 102 to pass through, and is installed in the first cable hole 109 by bolts. The second rubber sleeve 202 has a T-shaped cross section, and the internal through hole is convenient for the working cables of other working components to pass through, and is installed in the second cable hole 110 by bolts.

[0030] In this embodiment, by providing the first rubber sleeve 201 and the second rubber sleeve 202 , the surface of the working cable passing through the first cable hole 109 and the second cable hole 110 can be safely protected.

[0031] 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 change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A spectral imaging device carried by an unmanned aerial vehicle, comprising a hanging plate and a grayscale camera body, wherein the grayscale camera body is detachably connected to the hanging plate and is located below the hanging plate, characterized in that: Also includes auxiliary devices; The auxiliary device includes a hanger, a linear guide, a slide, a bracket, a first filter, a second filter, a limit assembly and a drive assembly. The hanger is fixedly connected to the hanger plate and is located on the hanger plate. The linear guide is fixedly connected to the hanger plate and is located on both sides of the grayscale camera body. The slide is detachably connected to a linear slider equipped with the linear guide and is located on one side of the linear guide. The bracket is fixedly connected to the slide and is located on one side of the slide. The first filter is located on the left side of the grayscale camera body, and the second filter is located on the right side of the grayscale camera body. The limit assembly is arranged on the side of the bracket close to the first filter and the second filter respectively. The drive assembly is arranged on the side of the hanger plate close to the slide and is symmetrically arranged.

2. The spectral imaging device carried by an unmanned aerial vehicle according to claim 1, characterized in that: The hanging plate is provided with a first cable hole and a second cable hole, wherein the first cable hole passes through the hanging plate and is located at one side of the hanging plate; the second cable hole passes through the hanging plate and is located at a side of the hanging plate away from the first cable hole.

3. The spectral imaging device carried by an unmanned aerial vehicle according to claim 1, characterized in that: The limiting assembly includes a mounting plate and a limiting plate. The mounting plate is integrally formed with the bracket and is detachably connected to the first filter and the second filter respectively, and is located on the side of the bracket close to the grayscale camera body; the limiting plate is fixedly connected to the mounting plate and is located on the top of the mounting plate.

4. The spectral imaging device carried by an unmanned aerial vehicle according to claim 1, characterized in that: The driving assembly includes a fixed plate and an electric telescopic rod, wherein the fixed plate is integrally formed with the hanging plate and is located on both sides of the hanging plate; the electric telescopic rod is fixedly connected to the fixed plate, and the output end of the electric telescopic rod is connected to the slide seat and is located on the fixed plate.

5. The spectral imaging device carried by an unmanned aerial vehicle as claimed in claim 2, characterized in that: The auxiliary device also includes a first rubber sleeve and a second rubber sleeve, wherein the first rubber sleeve is detachably connected to the hanging plate and is located in the first cable hole; the second rubber sleeve is detachably connected to the hanging plate and is located in the second cable hole.

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