Crop detection camera obscura based on imaging hyperspectrum
By designing an imaging hyperspectral crop detection dark box, combined with a supplementary light, lifting device, and hyperspectral camera, non-destructive and accurate crop detection is achieved, solving the problems of high detection cost and poor adaptability. It is applicable to a variety of target objects and is low in cost.
Patent Information
- Application Number
- CN202520024427.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing technologies for detecting crop biochemical parameters and physicochemical quality are labor-intensive and resource-intensive, and require damage to samples, resulting in high detection costs. Indoor spectroscopic detection platforms are poorly adaptable to detection targets of different shapes and sizes.
Design a crop detection dark box based on imaging hyperspectral, including a hyperspectral camera, box body, box door, lifting device, placement platform and supplementary light. Illumination is provided by the supplementary light, imaging is performed by the hyperspectral camera, and the lifting device adjusts the position of the placement platform to achieve non-destructive testing.
It achieves efficient and accurate crop detection, is applicable to detection targets of different shapes and sizes, has a wide detection range, simple structure, low cost, and is suitable for large-scale promotion.
Smart Images
Figure CN223770038U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crop detection technology, and particularly to the field of crop detection technology based on imaging hyperspectral imaging, specifically referring to a crop detection dark box based on imaging hyperspectral imaging. Background Technology
[0002] Crop biochemical parameters and physicochemical qualities can characterize crop growth and nutrient absorption, which are of great significance for guiding agricultural production management and improving crop production yields.
[0003] Existing technologies for detecting crop biochemical parameters and physicochemical qualities are mostly chemical methods. For example, the detection of amylose uses the n-butanol precipitation method, iodine colorimetric method, current / voltage titration method, and gel filtration method, while protein content is often detected using the Kjeldahl method. However, traditional chemical analysis methods for detecting crop biochemical parameters are labor-intensive and resource-intensive, and require sample destruction, resulting in high detection costs.
[0004] Hyperspectral imaging technology aims to acquire complete two-dimensional spatial information and one-dimensional spectral information of the target object using narrow and continuous spectral bands. Each spectral band provides the spectral characteristics of the target object in the corresponding wavelength range. Based on hyperspectral imaging technology, the biochemical parameters inside crops can be detected quickly and non-destructively.
[0005] Existing indoor spectral detection platforms are generally equipped with non-imaging visible / near-infrared spectrometers or non-imaging hyperspectral meters. These spectrometers output point data, resulting in lower detection area and efficiency. Imaging hyperspectral meters, on the other hand, output area data with higher throughput. They can not only analyze the spectral reflectance information of the target object but also extract information such as grayscale, color, and texture from the spectral image, leading to superior detection efficiency and accuracy.
[0006] However, existing indoor spectral detection platforms have a fixed structure and poor adaptability to detection targets of different shapes and sizes.
[0007] Therefore, it is desirable to provide a crop detection device based on imaging hyperspectral imaging, which can perform crop detection based on imaging hyperspectral imaging, with accurate and reliable detection, and is applicable to detection targets of different shapes and sizes, with a wide range of applications. Utility Model Content
[0008] In order to overcome the shortcomings of the prior art, one objective of this utility model is to provide a crop detection dark box based on imaging hyperspectral imaging, which can perform crop detection based on imaging hyperspectral imaging, with accurate and reliable detection, and is applicable to detection targets of different shapes and sizes, with a wide range of applications and suitable for large-scale promotion and application.
[0009] Another objective of this invention is to provide a crop detection dark box based on imaging hyperspectral imaging, which is ingeniously designed, has a simple structure, is easy to manufacture, has low manufacturing cost, and is suitable for large-scale promotion and application.
[0010] To achieve the above objectives, this utility model provides a crop detection dark box based on imaging hyperspectral imaging, including a hyperspectral camera. The dark box further includes a box body, a door, a lifting device, a storage platform, and a supplementary light.
[0011] The box body is arranged vertically and along the left-right direction. The front side of the box body has an opening. The box door is arranged vertically and along the left-right direction in the opening for opening and closing the opening.
[0012] The lifting device is disposed on the inner bottom surface of the box, the storage platform is horizontally disposed and disposed on the lifting device along the left and right direction, the lifting device is used to lift the storage platform, and the hyperspectral camera is disposed in the top of the box and located above the storage platform and facing the storage platform.
[0013] The supplementary lights are installed inside the box. There are multiple supplementary lights, which are located on the outer side of the upper position of the storage platform and are arranged horizontally around the upper position of the storage platform at intervals. All the supplementary lights are tilted downwards towards the storage platform.
[0014] Preferably, the box is a cube-shaped box.
[0015] Preferably, the number of boxes is two, namely a left box door and a right box door, which are arranged sequentially from left to right. The left side of the left box door is horizontally rotatably connected to the left side of the opening, and the right side of the right box door is horizontally rotatably connected to the right side of the opening.
[0016] More preferably, the crop detection dark box based on imaging hyperspectral imaging further includes a left handle and a right handle, the left handle being located in front of and connected to the left door and close to the right side of the left door, and the right handle being located in front of and connected to the right door and close to the left side of the right door.
[0017] Preferably, the angle between the supplementary light and the horizontal plane is 45°.
[0018] Preferably, the number of fill lights is four, and the four fill lights are distributed at the four corners of a rectangle.
[0019] Preferably, the supplemental light is a halogen lamp.
[0020] Preferably, the lifting device includes an upper base, a lower base, an upper left slider, an upper right slider, a lower left slider, a lower right slider, a fixed block, a moving block, an upper left scissor telescopic frame, an upper right scissor telescopic frame, a lower left scissor telescopic frame, a lower right scissor telescopic frame, a lead screw, a driving component, a slide rod, and a sliding block, wherein:
[0021] The upper base and the lower base are both horizontally arranged and arranged along the front-to-back direction, and are spaced apart vertically. The upper left slider and the upper right slider are spaced apart horizontally and are movable back-to-back in the upper base. The lower left slider and the lower right slider are spaced apart horizontally and are movable back-to-back in the lower base. The lower base is arranged on the inner bottom surface of the box. The storage platform is arranged on the upper base. The fixed block and the movable block are spaced apart horizontally and are both located between the upper base and the lower base.
[0022] The upper left and upper right scissor telescopic frames are both vertically arranged and along the front-back direction, and are spaced apart from each other on the left and right. The upper front end of the upper left and upper right scissor telescopic frames are rotatably connected to the upper base around the left-right direction. The upper rear end of the upper left and upper right scissor telescopic frames are rotatably connected to the upper left slider and the upper right slider, respectively, around the left-right direction. The lower front end of the upper left and upper right scissor telescopic frames are rotatably connected to the fixed block around the left-right direction. The lower rear end of the upper left and upper right scissor telescopic frames are rotatably connected to the moving block around the left-right direction.
[0023] The lower left and lower right scissor telescopic frames are both vertically arranged and along the front-back direction, and are spaced apart from each other on the left and right. The lower front end of the lower left and lower right scissor telescopic frames are rotatably connected to the lower base around the left-right direction. The lower rear end of the lower left and lower right scissor telescopic frames are rotatably connected to the lower left and lower right sliders respectively around the left-right direction. The upper front end of the lower left and lower right scissor telescopic frames are rotatably connected to the fixed block around the left-right direction. The upper rear end of the lower left and lower right scissor telescopic frames are rotatably connected to the moving block around the left-right direction.
[0024] The lead screw is arranged along the front-back direction. The front end of the lead screw is inserted into the fixed block along the front-back direction and is rotatable relative to the fixed block around the front-back direction. The middle part of the lead screw passes through and threadedly engages with the moving block along the front-back direction. The driving component is connected to the rear end of the lead screw to drive the lead screw to rotate around the front-back direction. The slide rod is vertically arranged in the housing. The sliding block is movably sleeved on the slide rod and connected to the driving component.
[0025] Preferably, the crop detection dark box based on imaging hyperspectral imaging further includes a control device, which is installed on the box body and electrically connected to the supplementary light, the lifting device and the hyperspectral camera respectively, for controlling the supplementary light to turn on and off, controlling the lifting device to raise and lower the placement platform and controlling the hyperspectral camera to take pictures.
[0026] More preferably, the control device includes a control housing, a control module, a display screen, a power button, a power off button, a lifting knob, and a shooting button. The control housing is vertically arranged and mounted on the housing along the left-right direction. The control module is disposed within the control housing. The display screen, the power button, the power off button, the lifting knob, and the shooting button are all vertically arranged and embedded in the front side of the control housing along the left-right direction, and are all electrically connected to the control module. The control module is electrically connected to the fill light, the lifting device, and the hyperspectral camera, respectively. The power button and the power off button are used to control the fill light to turn on and off, respectively, via the control module. The lifting knob is used to control the lifting device to raise and lower the platform via the control module. The hyperspectral camera is used to acquire images from within its lens and send the images to the control module. The control module is used to receive the images and send them to the display screen. The display screen is used to receive and display the images. The shooting button is used to control the hyperspectral camera to take a picture via the control module.
[0027] The main beneficial effects of this utility model are as follows:
[0028] 1. The crop detection dark box based on imaging hyperspectral imaging of this utility model has a vertically arranged box body that extends horizontally. An opening is provided on the front side of the box body, and a door is vertically arranged within the opening for opening and closing. A lifting device is located on the inner bottom surface of the box body, and a horizontally arranged platform is mounted on the lifting device. The lifting device is used to raise and lower the platform. A hyperspectral camera is located at the top of the box body, above the platform, and facing it. Multiple supplementary lights are located inside the box body, positioned horizontally around the upper part of the platform, spaced apart from each other. All supplementary lights are tilted downwards towards the platform. Therefore, it can perform crop detection based on imaging hyperspectral imaging, with accurate and reliable detection. It is applicable to detection targets of different shapes and sizes, has a wide range of applications, and is suitable for large-scale promotion and application.
[0029] 2. The crop detection dark box based on imaging hyperspectral imaging of this utility model has a vertically arranged box body that extends horizontally. An opening is provided on the front side of the box body, and a door is vertically arranged within the opening for opening and closing. A lifting device is located on the inner bottom surface of the box body, and a horizontally arranged platform is mounted on the lifting device. The lifting device is used to raise and lower the platform. A hyperspectral camera is located at the top of the box body, above the platform, and facing it. Multiple supplementary lights are located inside the box body, positioned horizontally around the upper part of the platform, spaced apart from each other. All supplementary lights are tilted downwards towards the platform. Therefore, its design is ingenious, its structure is simple, its manufacturing is easy, and its manufacturing cost is low, making it suitable for large-scale application.
[0030] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description
[0031] Figure 1 This is a three-dimensional schematic diagram of a specific embodiment of the crop detection dark box based on imaging hyperspectral imaging of this utility model. Figure 1 .
[0032] Figure 2 yes Figure 1 The three-dimensional schematic diagram of the specific embodiment shown Figure 2 The right baffle and the upper baffle are not shown.
[0033] Figure 3 yes Figure 1 The three-dimensional schematic diagram of the specific embodiment shown Figure 3 The right baffle and the upper baffle are not shown.
[0034] Figure 4 yes Figure 1 The diagram shown is a partial enlarged three-dimensional illustration of a specific embodiment, in which the right baffle and the upper baffle are not shown.
[0035] Figure 5 yes Figure 1 A partial left-side view of the components of the lifting device and the storage platform in the specific embodiment shown.
[0036] Figure 6 yes Figure 1 The diagram shows a partial right view of the components of the lifting device and the storage platform in the specific embodiment shown.
[0037] Figure 7 yes Figure 1 A front view schematic diagram of the control device in a specific embodiment is shown.
[0038] (Symbol Explanation)
[0039] 1. Hyperspectral camera; 2. Cabinet; 3. Cabinet door; 4. Lifting device; 5. Storage platform; 6. Fill light; 7. Opening; 8. Square tube; 9. Cabinet frame; 10. Upper baffle; 11. Lower baffle; 12. Left baffle; 13. Right baffle; 14. Rear baffle; 15. Square tube plug; 16. Front fixing rod; 17. Rear fixing rod; 18. Camera mounting plate; 19. Left cabinet door; 20. Right cabinet door; 21. Left hinge; 22. Right hinge; 23. Left handle; 24. Right handle; 25. Upper base; 26. Lower base; 27. Upper left slider; 2 8. Upper right slider; 29. Lower left slider; 30. Lower right slider; 31. Fixed block; 32. Moving block; 33. Upper left scissor telescopic frame; 34. Upper right scissor telescopic frame; 35. Lower left scissor telescopic frame; 36. Lower right scissor telescopic frame; 37. Lead screw; 38. Drive component; 39. Slide bar; 40. Sliding block; 41. Control device; 42. Control housing; 43. Display screen; 44. Light up button; 45. Light down button; 46. Lifting knob; 47. Shooting button; 48. Focus increase button; 49. Focus decrease button. Detailed Implementation
[0040] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.
[0041] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0042] Please see Figures 1 to 7 As shown, in a specific embodiment of this utility model, the crop detection dark box based on imaging hyperspectral imaging of this utility model includes a hyperspectral camera 1, a box body 2, a box door 3, a lifting device 4, a storage platform 5, and a supplementary light 6, wherein:
[0043] The box body 2 is arranged vertically and along the left and right direction. The front side of the box body 2 is provided with an opening 7. The box door 3 is arranged vertically and along the left and right direction in the opening 7 for opening and closing the opening 7.
[0044] The lifting device 4 is disposed on the inner bottom surface of the box 2. The storage platform 5 is horizontally disposed and disposed on the lifting device 4 along the left and right direction. The lifting device 4 is used to lift the storage platform 5. The hyperspectral camera 1 is disposed in the top of the box 2 and is located above the storage platform 5 and facing the storage platform 5.
[0045] The supplementary light 6 is installed inside the housing 2. There are multiple supplementary lights 6, which are located on the outer side of the upper position of the storage platform 5 and are arranged horizontally around the upper position of the storage platform 5 at intervals. All the supplementary lights 6 are tilted downwards towards the storage platform 5.
[0046] The housing 2 can have any suitable shape; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the box 2 is a cube-shaped box.
[0047] The cube-shaped box can be constructed using square tubes 8 to form a box frame 9. All 12 sides of the cube-shaped box can be made of square tubes 8, and the square tubes 8 can be fixedly connected to each other by corner brackets. The upper side, lower side, left side, right side and rear side of the cube-shaped box can be covered by upper baffle 10, lower baffle 11, left baffle 12, right baffle 13 and rear baffle 14 respectively. The baffles can be connected to the square tubes 8 by bolts. The box door 3 can be connected to the square tubes 8. The exposed ends of the square tubes 8 can be sealed by installing square tube plugs 15.
[0048] To install the hyperspectral camera 1 in the top of the cubic box, a front fixing rod 16 and a rear fixing rod 17 can be installed in the top frame of the box frame 9. The front fixing rod 16 and the rear fixing rod 17 are both arranged along the left-right direction and are spaced apart from each other and located on the upper baffle 10. The camera fixing plate 18 is horizontally installed on the front fixing rod 16 and the rear fixing rod 17. The hyperspectral camera 1 is installed on the camera fixing plate 18. The camera lens of the hyperspectral camera 1 is vertically inserted through the position between the camera fixing plate 18, the front fixing rod 16 and the rear fixing rod 17 and the upper baffle 10.
[0049] The number of cabinet doors 3 can be determined as needed; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, there are two boxes 3, namely a left box door 19 and a right box door 20. The left box door 19 and the right box door 20 are arranged sequentially on the left and right sides. The left side of the left box door 19 is horizontally rotatably connected to the left side of the opening 7, and the right side of the right box door 20 is horizontally rotatably connected to the right side of the opening 7. With the above arrangement, rotating the right side of the left box door 19 horizontally to the left front and rotating the left side of the right box door 20 horizontally to the right front will open the opening 7.
[0050] The left side of the left door 19 is horizontally rotatably connected to the left side of the opening 7, and the right side of the right door 20 is horizontally rotatably connected to the right side of the opening 7. Any suitable structure can be used; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the crop detection dark box based on imaging hyperspectral imaging further includes a left hinge 21 and a right hinge 22. The left side of the left door 19 is horizontally rotatably connected to the left side of the opening 7 via the left hinge 21, and the right side of the right door 20 is horizontally rotatably connected to the right side of the opening 7 via the right hinge 22.
[0051] The aforementioned imaging hyperspectral-based crop detection dark box may also include any other suitable components; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the crop detection dark box based on imaging hyperspectral imaging further includes a left handle 23 and a right handle 24. The left handle 23 is located in front of and connected to the left door 19, and is close to the right side of the left door 19. The right handle 24 is located in front of and connected to the right door 20, and is close to the left side of the right door 20. With the above arrangement, the left handle 23 and the right handle 24 facilitate horizontal rotation of the right side of the left door 19 and the left side of the right door 20.
[0052] The angle between the supplementary light 6 and the horizontal plane can be determined as needed. In a specific embodiment of this utility model, the angle between the supplementary light 6 and the horizontal plane is 45°.
[0053] The number of supplementary lights 6 can be determined as needed; "multiple" refers to two or more. Please refer to [link to relevant documentation]. Figure 3 As shown, in a specific embodiment of this utility model, the number of supplementary lights 6 is four, and the four supplementary lights 6 are distributed at the four corners of a rectangle. When the housing 2 is a cube-shaped housing, the four supplementary lights 6 are distributed at the four corner positions of the top of the cube-shaped housing.
[0054] The fill light 6 can be any suitable type of fill light. In one specific embodiment of this utility model, the fill light 6 is a halogen lamp.
[0055] The storage platform 5 is mounted on the lifting device 4 and can adopt any suitable structure. In a specific embodiment of this utility model, the storage platform 5 is magnetically attached to the lifting device 4.
[0056] The lifting device 4 can have any suitable configuration; please refer to [link / reference]. Figures 2-6 As shown, in a specific embodiment of this utility model, the lifting device 4 includes an upper base 25, a lower base 26, an upper left slider 27, an upper right slider 28, a lower left slider 29, a lower right slider 30, a fixed block 31, a moving block 32, an upper left scissor telescopic frame 33, an upper right scissor telescopic frame 34, a lower left scissor telescopic frame 35, a lower right scissor telescopic frame 36, a lead screw 37, a driving component 38, a sliding rod 39, and a sliding block 40, wherein:
[0057] The upper base 25 and the lower base 26 are both horizontally arranged and arranged along the front-to-back direction, and are spaced apart vertically. The upper left slider 27 and the upper right slider 28 are spaced apart horizontally and are both movable in the upper base 25. The lower left slider 29 and the lower right slider 30 are spaced apart horizontally and are both movable in the lower base 26. The lower base 26 is arranged on the inner bottom surface of the box 2. The storage platform 5 is arranged on the upper base 25. The fixed block 31 and the movable block 32 are spaced apart horizontally and are both located between the upper base 25 and the lower base 26.
[0058] The upper left scissor telescopic frame 33 and the upper right scissor telescopic frame 34 are both vertically arranged and along the front-back direction, and are spaced apart from each other on the left and right. The upper front end of the upper left scissor telescopic frame 33 and the upper front end of the upper right scissor telescopic frame 34 are rotatably connected to the upper base 25 around the left and right direction. The upper rear end of the upper left scissor telescopic frame 33 and the upper rear end of the upper right scissor telescopic frame 34 are rotatably connected to the upper left slider 27 and the upper right slider 28 around the left and right direction, respectively. The lower front end of the upper left scissor telescopic frame 33 and the lower front end of the upper right scissor telescopic frame 34 are rotatably connected to the fixed block 31 around the left and right direction. The lower rear end of the upper left scissor telescopic frame 33 and the lower rear end of the upper right scissor telescopic frame 34 are rotatably connected to the moving block 32 around the left and right direction.
[0059] The lower left scissor telescopic frame 35 and the lower right scissor telescopic frame 36 are both vertically arranged and along the front-back direction, and are spaced apart from each other on the left and right. The lower front end of the lower left scissor telescopic frame 35 and the lower front end of the lower right scissor telescopic frame 36 are rotatably connected to the lower base 26 around the left and right direction. The lower rear end of the lower left scissor telescopic frame 35 and the lower rear end of the lower right scissor telescopic frame 36 are rotatably connected to the lower left slider 29 and the lower right slider 30 around the left and right direction, respectively. The upper front end of the lower left scissor telescopic frame 35 and the upper front end of the lower right scissor telescopic frame 36 are rotatably connected to the fixed block 31 around the left and right direction. The upper rear end of the lower left scissor telescopic frame 35 and the upper rear rear end of the lower right scissor telescopic frame 36 are rotatably connected to the moving block 32 around the left and right direction.
[0060] The lead screw 37 is arranged along the front-rear direction. The front end of the lead screw 37 is inserted into the fixed block 31 along the front-rear direction and is rotatable relative to the fixed block 31 around the front-rear direction. The middle part of the lead screw 37 passes through and threadedly engages with the moving block 32 along the front-rear direction. The driving component 38 is connected to the rear end of the lead screw 37 to drive the lead screw 37 to rotate around the front-rear direction. The sliding rod 39 is vertically arranged inside the housing 2. The sliding block 40 is movably sleeved on the sliding rod 39 and connected to the driving component 38. When the storage platform 5 is magnetically attached to the lifting device 4, the storage platform 5 is magnetically attached to the upper base 25.
[0061] With the above configuration, when the lifting device 4 is needed to raise or lower the storage platform 5, the drive component 38 drives the lead screw 37 to rotate around the front-back direction, causing the moving block 32 to move back and forth relative to the fixed block 31. By increasing or decreasing the vertical dimensions of the upper left scissor telescopic frame 33, the upper right scissor telescopic frame 34, the lower left scissor telescopic frame 35, and the lower right scissor telescopic frame 36, the upper base 25 is raised or lowered, thereby raising or lowering the storage platform 5.
[0062] Specifically, when the moving block 32 moves forward, it respectively drives the lower rear end of the upper left scissor telescopic frame 33, the lower rear end of the upper right scissor telescopic frame 34, the upper rear end of the lower left scissor telescopic frame 35, and the upper rear end of the lower right scissor telescopic frame 36 to move forward. This causes the distance between the lower rear end and the lower front end of the upper left scissor telescopic frame 33, the distance between the lower rear end and the lower front end of the upper right scissor telescopic frame 34, the distance between the upper rear end and the upper front end of the lower left scissor telescopic frame 35, and the distance between the upper rear end and the upper front end of the lower right scissor telescopic frame 36 to decrease, thereby reducing the distance between the upper left scissor telescopic frame 33, the upper right scissor telescopic frame 34, and the upper rear end of the lower right scissor telescopic frame 36. The vertical dimensions of the lower left scissor telescopic frame 35 and the lower right scissor telescopic frame 36 increase, causing the upper base 25 to rise, which in turn causes the storage platform 5 to rise. During this process, the distance between the upper rear end and the upper front end of the upper left scissor telescopic frame 33, the distance between the upper rear end and the upper front end of the upper right scissor telescopic frame 34, the distance between the lower rear end and the lower front end of the lower left scissor telescopic frame 35, and the distance between the lower rear end and the lower front end of the lower right scissor telescopic frame 36 also decreases. The upper left slider 27 and the upper right slider 28 move forward relative to the upper base 25, and the lower left slider 29 and the lower right slider 30 move forward relative to the lower base 26.
[0063] When the moving block 32 moves backward, it causes the lower rear end of the upper left scissor telescopic frame 33, the lower rear end of the upper right scissor telescopic frame 34, the upper rear end of the lower left scissor telescopic frame 35, and the upper rear end of the lower right scissor telescopic frame 36 to move backward respectively. This causes the distance between the lower rear end and the lower front end of the upper left scissor telescopic frame 33, the distance between the lower rear end and the lower front end of the upper right scissor telescopic frame 34, the distance between the upper rear end and the upper front end of the lower left scissor telescopic frame 35, and the distance between the upper rear end and the upper front end of the lower right scissor telescopic frame 36 to increase, thereby increasing the distance between the upper left scissor telescopic frame 33, the upper right scissor telescopic frame 34, the upper rear end of the lower left scissor telescopic frame 35, and the upper rear end of the lower right scissor telescopic frame 36 respectively. The vertical dimensions of the lower scissor telescopic frame 35 and the lower right scissor telescopic frame 36 decrease, causing the upper base 25 to descend, which in turn causes the storage platform 5 to descend. During this process, the distance between the upper rear end and the upper front end of the upper left scissor telescopic frame 33, the distance between the upper rear end and the upper front end of the upper right scissor telescopic frame 34, the distance between the lower rear end and the lower front end of the lower left scissor telescopic frame 35, and the distance between the lower rear end and the lower front end of the lower right scissor telescopic frame 36 also increases. The upper left slider 27 and the upper right slider 28 move backward relative to the upper base 25, and the lower left slider 29 and the lower right slider 30 move backward relative to the lower base 26.
[0064] During the above-mentioned lifting and lowering process, the driving component 38 moves up and down on the slide rod 39 via the sliding block 40.
[0065] The upper left scissor telescopic frame 33, the upper right scissor telescopic frame 34, the lower left scissor telescopic frame 35, and the lower right scissor telescopic frame 36 can have any suitable configuration. Please refer to [link / reference]. Figures 2-6 As shown, in a specific embodiment of this utility model, the upper left scissor telescopic frame 33, the upper right scissor telescopic frame 34, the lower left scissor telescopic frame 35, and the lower right scissor telescopic frame 36 are all cross-shaped scissor frames. The cross-shaped scissor frame uses two rotating rods, both of which are inclined along the front-back direction. The middle parts of the two rotating rods are intersected and can be rotated relative to each other around the left-right direction.
[0066] The driving component 38 can be any suitable driving component. In one specific embodiment of this utility model, the driving component 38 is a stepper motor.
[0067] The fixed block 31 can be any suitable fixed block, and the movable block 32 can be any suitable movable block. In a specific embodiment of this utility model, the fixed block 31 is a lead screw bearing seat, and the movable block 32 is a lead screw nut.
[0068] The aforementioned imaging hyperspectral-based crop detection dark box may also include any other suitable components; please refer to [link / reference]. Figures 1-3 and Figure 7 As shown, in a specific embodiment of this utility model, the crop detection dark box based on imaging hyperspectral imaging further includes a control device 41. The control device 41 is installed on the box body 2 and electrically connected to the supplementary light 6, the lifting device 4, and the hyperspectral camera 1, respectively, for controlling the supplementary light 6 to turn on and off, controlling the lifting device 4 to raise and lower the placement platform 5, and controlling the hyperspectral camera 1 to take pictures. When the lifting device 4 includes an upper base 25, a lower base 26, an upper left slider 27, an upper right slider 28, a lower left slider 29, a lower right slider 30, a fixed block 31, a moving block 32, an upper left scissor telescopic frame 33, an upper right scissor telescopic frame 34, a lower left scissor telescopic frame 35, a lower right scissor telescopic frame 36, a lead screw 37, a drive component 38, a slide bar 39, and a sliding block 40, the control device 41 is electrically connected to the drive component 38 to control the drive component 38 to drive the lead screw 37 to rotate around the front-back direction.
[0069] The control device 41 can have any suitable configuration; please refer to [link / reference]. Figures 1-3 and Figure 7As shown, in a specific embodiment of this utility model, the control device 41 includes a control housing 42, a control module (not shown in the figure), a display screen 43, a power button 44, a power off button 45, a lifting knob 46, and a shooting button 47. The control housing 42 is vertically arranged and mounted on the housing 2 along the left-right direction. The control module is disposed in the control housing 42. The display screen 43, the power button 44, the power off button 45, the lifting knob 46, and the shooting button 47 are all vertically arranged and embedded in the front side of the control housing 42 along the left-right direction, and are all electrically connected to the control module. The control module is electrically connected to the supplementary light. The lamp 6, the lifting device 4, and the hyperspectral camera 1 are configured such that the light-on button 44 and the light-off button 45 are used to control the light 6 to be turned on and off respectively via the control module; the lifting knob 46 is used to control the lifting device 4 to raise and lower the platform 5 via the control module; the hyperspectral camera 1 is used to acquire images from the camera lens of the hyperspectral camera 1 and send the images to the control module; the control module is used to receive the images and send them to the display screen 43; the display screen 43 is used to receive and display the images; and the shooting button 47 is used to control the hyperspectral camera 1 to take a picture via the control module.
[0070] With the above settings, the fill light 6 is turned on by pressing the turn button 44, and the fill light 6 is turned off by pressing the turn off button 45. The image inside the camera lens of the hyperspectral camera 1 can be viewed through the display screen 43. The lifting device 4 can be raised and lowered by rotating the lifting knob 46, and the hyperspectral camera 1 can be controlled to take a picture by pressing the shooting button 47.
[0071] The control device 41 may also include any other suitable configuration; see [link to relevant documentation]. Figures 1-2 and Figure 7 As shown, in a specific embodiment of this utility model, the control device 41 further includes a focal length increase button 48 and a focal length decrease button 49. Both the focal length increase button 48 and the focal length decrease button 49 are vertically arranged and embedded in the front side of the control housing 42 along the left-right direction, and are electrically connected to the control module. The focal length increase button 48 and the focal length decrease button 49 are used by the control module to control the focal length of the hyperspectral camera 1 to increase and decrease respectively.
[0072] With the above settings, the focal length of the hyperspectral camera 1 can be increased by pressing the focal length increase button 48, and the focal length of the hyperspectral camera 1 can be decreased by pressing the focal length decrease button 49.
[0073] When in use, open the box door 3, put the crop to be tested into the box 2 through the opening 7 and place it on the platform 5, turn on the supplementary light 6, and view the image in the camera lens through the hyperspectral camera 1. If it is not the desired field of view, raise and lower the platform 5 through the lifting device 4, and then raise and lower the crop to be tested to the desired position, and then take a picture through the hyperspectral camera 1.
[0074] Therefore, this utility model has the following advantages:
[0075] 1. This utility model coordinates the use of a supplementary light, a hyperspectral camera, a lifting device, and a placement platform. The supplementary light illuminates the crop, the hyperspectral camera displays the crop's hyperspectral information in real time, the lifting device raises and lowers the placement platform, thereby raising and lowering the crop to be tested to the desired position, and then the hyperspectral camera takes pictures.
[0076] 2. The supplementary light of this utility model can be a halogen lamp. By using a halogen lamp with a wide spectral range, it covers the spectrum from infrared to ultraviolet, which is close to the wavelength range of sunlight, thus simulating the solar spectrum.
[0077] 3. The lifting device of this utility model drives the lead screw to rotate in the front-back direction through the driving component, so that the moving block moves back and forth. By increasing or decreasing the vertical dimensions of the upper left scissor telescopic frame, the upper right scissor telescopic frame, the lower left scissor telescopic frame, and the lower right scissor telescopic frame, the upper base is raised and lowered, thereby raising and lowering the storage platform. Through the size design, it can be adjusted within 40cm, which can realize stepless adjustment and effectively solve the problem of poor adaptability of the existing indoor spectral detection platform structure.
[0078] 4. The lead screw of this utility model can be a trapezoidal lead screw, which has high precision and self-locking function, thus ensuring that it can accurately stop at the memory position after each height adjustment, ensuring the control precision of shooting.
[0079] 5. This utility model may also include a control device, which can control the actions of the fill light, the lifting device and the hyperspectral camera, which is equivalent to integrating the control parts of the fill light, the lifting device and the hyperspectral camera together, making it convenient to operate.
[0080] In summary, the crop detection dark box based on imaging hyperspectral imaging of this invention can perform crop detection based on imaging hyperspectral imaging with accurate and reliable detection. It is applicable to detection targets of different shapes and sizes, has a wide range of applications, ingenious design, simple structure, easy manufacturing, and low manufacturing cost, making it suitable for large-scale promotion and application.
[0081] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.
Claims
1. An imaging hyperspectral based crop detection dark box comprising a hyperspectral camera, characterized in that, The imaging hyperspectral-based crop detection dark box also comprises a box body, a box door, a lifting device, a storage platform and a light supplementing lamp, wherein: The box body is vertically arranged and arranged along the left-right direction, the front side of the box body is provided with an opening, and the box door is vertically arranged and arranged along the left-right direction in the opening to open and close the opening; The lifting device is arranged on the inner bottom surface of the box body, the storage platform is horizontally arranged and arranged along the left-right direction on the lifting device, the lifting device is used for lifting the storage platform, the hyperspectral camera is arranged in the top of the box body and located above and arranged towards the storage platform; The light supplementing lamp is arranged in the box body, the number of the light supplementing lamp is multiple, multiple light supplementing lamps are located outside the upper position of the storage platform and are arranged in the horizontal surrounding of the upper position of the storage platform, and the light supplementing lamps are all arranged obliquely downwards towards the storage platform.
2. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The box body is a cubic box body.
3. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The number of the box door is two, and the two box doors are a left box door and a right box door, which are arranged in sequence from left to right, the left side of the left box door is horizontally rotatably connected to the left side of the opening, and the right side of the right box door is horizontally rotatably connected to the right side of the opening.
4. The imaging hyperspectral based crop detection dark box of claim 3, wherein, The imaging hyperspectral-based crop detection dark box also comprises a left handle and a right handle, the left handle is located in front of the left box door and connected to the left box door and close to the right side of the left box door, and the right handle is located in front of the right box door and connected to the right box door and close to the left side of the right box door.
5. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The included angle between the light supplementing lamp and the horizontal plane is 45°.
6. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The number of the light supplementing lamp is four, and the four light supplementing lamps are distributed at the four corners of a rectangle.
7. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The light supplementing lamp is a halogen lamp.
8. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The lifting device comprises an upper base, a lower base, a left upper sliding block, a right upper sliding block, a left lower sliding block, a right lower sliding block, a fixed block, a moving block, a left upper scissor telescopic frame, a right upper scissor telescopic frame, a left lower scissor telescopic frame, a right lower scissor telescopic frame, a lead screw, a driving part, a sliding rod and a sliding block, wherein: The upper base and the lower base are both horizontally arranged and arranged along the front-rear direction and arranged in vertical spacing, the left upper sliding block and the right upper sliding block are arranged in lateral spacing and both movably arranged in the front-rear direction in the upper base, the left lower sliding block and the right lower sliding block are arranged in lateral spacing and both movably arranged in the front-rear direction in the lower base, the lower base is arranged on the inner bottom surface of the box body, the storage platform is arranged on the upper base, and the fixed block and the moving block are arranged in front-rear spacing and both located between the upper base and the lower base; The upper base and the lower base are both horizontally arranged and arranged along the front-rear direction and arranged in vertical spacing, the left upper sliding block and the right upper sliding block are arranged in lateral spacing and both movably arranged in the front-rear direction in the upper base, the left lower sliding block and the right lower sliding block are arranged in lateral spacing and both movably arranged in the front-rear direction in the lower base, the lower base is arranged on the inner bottom surface of the box body, the storage platform is arranged on the upper base, and the fixed block and the moving block are arranged in front-rear spacing and both located between the upper base and the lower base; The left upper scissors telescopic frame and the right upper scissors telescopic frame are vertically arranged and arranged along the front-rear direction and are arranged left and right with each other, the front upper end of the left upper scissors telescopic frame and the front upper end of the right upper scissors telescopic frame are rotatably connected to the upper base around the left-right direction, the rear upper end of the left upper scissors telescopic frame and the rear upper end of the right upper scissors telescopic frame are rotatably connected to the left upper slider and the right upper slider respectively around the left-right direction, the front lower end of the left upper scissors telescopic frame and the front lower end of the right upper scissors telescopic frame are rotatably connected to the fixed block around the left-right direction, and the rear lower end of the left upper scissors telescopic frame and the rear lower end of the right upper scissors telescopic frame are rotatably connected to the moving block around the left-right direction. The left lower scissors telescopic frame and the right lower scissors telescopic frame are vertically arranged and arranged along the front-rear direction and are arranged left and right with each other, the front lower end of the left lower scissors telescopic frame and the front lower end of the right lower scissors telescopic frame are rotatably connected to the lower base around the left-right direction, the rear lower end of the left lower scissors telescopic frame and the rear lower end of the right lower scissors telescopic frame are rotatably connected to the left lower slider and the right lower slider respectively around the left-right direction, the front upper end of the left lower scissors telescopic frame and the front upper end of the right lower scissors telescopic frame are rotatably connected to the fixed block around the left-right direction, and the rear upper end of the left lower scissors telescopic frame and the rear upper end of the right lower scissors telescopic frame are rotatably connected to the moving block around the left-right direction. The screw rod is arranged along the front-rear direction, the front end of the screw rod is inserted into the fixed block along the front-rear direction and is rotatably arranged relative to the fixed block around the front-rear direction, the middle part of the screw rod is arranged along the front-rear direction and is threadedly engaged with the moving block, the driving component is connected to the rear end of the screw rod for driving the screw rod to rotate around the front-rear direction, and the slide rod is vertically arranged in the box body, and the sliding block is movably sleeved on the slide rod and is connected to the driving component.
9. The imaging hyperspectral based crop detection dark box of claim 1, wherein, The imaging hyperspectral-based crop detection dark box further comprises a control device mounted on the box body and electrically connected to the light supplementing lamp, the lifting device and the hyperspectral camera respectively for controlling the light supplementing lamp to be turned on and turned off, controlling the lifting device to lift the object placing platform and controlling the hyperspectral camera to take pictures respectively.
10. The imaging hyperspectral based crop detection dark box of claim 9, wherein, The control device comprises a control shell, a control module, a display screen, a lighting button, an extinguishing button, a lifting knob and a shooting button, the control shell is vertically arranged and arranged on the box along the left-right direction, the control module is arranged in the control shell, the display screen, the lighting button, the extinguishing button, the lifting knob and the shooting button are all vertically arranged and all embedded in the front side of the control shell along the left-right direction and all electrically connected with the control module, the control module is electrically connected with the light supplement lamp, the lifting device and the hyperspectral camera respectively, the lighting button and the extinguishing button are used for controlling the light supplement lamp to light up and extinguish respectively through the control module, the lifting knob is used for controlling the lifting device to lift the object platform through the control module, the hyperspectral camera is used for collecting images in the camera lens of the hyperspectral camera and sending the images to the control module, the control module is used for receiving the images and sending the images to the display screen, the display screen is used for receiving the images and displaying the images, and the shooting button is used for controlling the hyperspectral camera to shoot through the control module.