Hyperspectral acquisition device suitable for various tobacco varieties

Abstract

The hyperspectral acquisition device comprises an acquisition box and a computer, a hyperspectral imager is mounted at the top of the acquisition box through a lifting device, a bearing is mounted on the inner wall of the acquisition box, an inner ring of the bearing is connected with a light source fixing frame through a magnetic strip, and at least two light sources are mounted on the light source fixing frame; the outer wall of the acquisition box is provided with a rotating rod corresponding to the light source fixing frame; and the bottom of the acquisition box is provided with a rotatable acquisition table. The utility model provides a hyperspectral acquisition device suitable for various tobacco varieties, which can adjust a light-emitting light source and an irradiation position of a light source during image acquisition according to spectral characteristics of different tobacco varieties, and perform acquisition in a proper spectral range. The device can be applied to different tobacco varieties, the light source suitable for the tobacco varieties is selected to help to optimize the acquired spectral data, and the device has better practicability.

Description

Technical Field

[0001] This application belongs to the field, specifically a hyperspectral acquisition device applicable to various tobacco varieties. Background Art

[0002] Smart agriculture is a modern agricultural production mode and technology system that comprehensively applies big data analysis technology and modern high-tech to achieve high-yield, high-quality, and efficient farmland. Smart agriculture is the future direction of agricultural development and the main way to achieve sustainable agricultural development. Among them, big data and spectral analysis technology are one of the important tools for implementing smart agriculture.

[0003] The working principle of the hyperspectral acquisition device is to obtain the spectral information of an object on multiple continuous bands, and then realize the feature analysis and recognition of the object. When light irradiates on the surface of an object, the substance will absorb, reflect, or transmit light of different wavelengths, forming unique spectral characteristics. The hyperspectral imaging device can capture spectral signals of different wavelengths respectively and generate image data containing complete spectral information.

[0004] When collecting spectral images of tobacco, due to the possible differences in optical properties among different tobacco varieties, such as color, texture, etc. When collecting images, some parameters or spectra need to be adjusted according to different tobacco varieties to ensure the acquisition of appropriate spectral information. There is a need for a hyperspectral acquisition device applicable to various tobacco varieties that can adjust the appropriate spectral range for acquisition according to the spectral characteristics of different tobacco varieties to ensure coverage of the key wavelength range of the target tobacco characteristics. Utility Model Content

[0005] Aiming at the above problems existing in the prior art, this application provides a hyperspectral acquisition device applicable to various tobacco varieties, which realizes the adjustment of the spectral range by replacing the light source to select a light source suitable for the tobacco variety and helps optimize the acquired spectral data.

[0006] To achieve the above object, this application adopts the following technical solutions: A hyperspectral acquisition device applicable to various tobacco varieties, including: an acquisition box and a computer. A hyperspectral imager is installed on the top of the acquisition box through a lifting device. A bearing is installed on the inner wall of the acquisition box. The inner ring of the bearing is connected to a light source fixing frame through a magnetic strip, and at least two light sources are installed on the light source fixing frame. A rotating rod is provided on the outer wall of the acquisition box corresponding to the light source fixing frame, and a rotatable acquisition table is installed at the bottom of the acquisition box.

[0007] Among them, the acquisition table is a gear table meshing with a driving gear. The driving gear is installed on the output shaft of a rotating motor, and the rotating motor is connected to the computer.

[0008] Among them, the acquisition table is installed at the bottom of the acquisition box through a fixing rod, and the acquisition table is connected to the fixing rod through a bearing.

[0009] Among them, the lifting device includes a cylinder and a connecting arm. The cylinder is connected to the hyperspectral imager through the connecting arm, and the cylinder is installed on the inner wall of the acquisition box and connected to the computer.

[0010] Among them, a magnetic block is embedded at the end of the rotating rod and adsorbed on the outer wall of the acquisition box through the magnetic block.

[0011] Advantages of this application:

[0012] This application provides a hyperspectral acquisition device applicable to various tobacco varieties. It can adjust the light-emitting light source and the irradiation position of the light source when acquiring images according to the spectral characteristics of different tobacco varieties, and perform acquisition through an appropriate spectral range to ensure covering the key wavelength range of the target tobacco characteristics, thereby acquiring a suitable spectral image. The device can be applicable to different tobacco varieties. By selecting a light source suitable for the tobacco variety, it helps to optimize the spectral data obtained by acquisition, and has good practicability. Description of the drawings

[0013] Figure 1 It is a schematic structural diagram of this application;

[0014] Figure 2 It is a schematic connection structure diagram of the light source fixing frame of this application;

[0015] In the figure, 1 - acquisition box, 2 - computer, 3 - hyperspectral imager, 4 - light source fixing frame, 5 - light source, 6 - rotating rod, 7 - acquisition table, 8 - fixing rod, 9 - rotating motor, 10 - driving gear, 11 - cylinder, 12 - connecting arm. Detailed implementation manners

[0016] The following will describe the implementation manners of this application in more detail with reference to the drawings. Although the implementation manners of this application are shown in the drawings, it should be understood that this application can be implemented in various forms and should not be limited by the implementation manners described herein. On the contrary, these implementation manners are provided to make this application more thorough and complete, and to be able to convey the scope of this application completely to those skilled in the art.

[0017] It should be understood that although terms such as "first", "second", and "third" may be used in this application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information can also be called the second information, and similarly, the second information can also be called the first information. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality" means two or more unless otherwise specifically defined.

[0018] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0019] Unless otherwise clearly specified and defined, terms such as "installation device", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0020] As Figure 1 shown, the hyperspectral acquisition device applicable to various tobacco varieties includes: an acquisition box 1 and a computer 2. Image acquisition is carried out inside the acquisition box 1, and precise control of the device is achieved by using the computer 2 in combination with appropriate programming and software configuration.

[0021] At the top of the acquisition box 1, a set of cylinders 11 are arranged oppositely. A connecting arm 12 is arranged at the output end of the cylinder 11, and a hyperspectral imager 3 is fixedly connected through the connecting arm 12. The cylinder 11 is connected to the computer 2, and the telescopic movement of the cylinder 11 is controlled by the computer 2 to achieve the lifting control of the hyperspectral imager 3. A bearing is installed on the inner wall of the acquisition box 1 on the lower side of the hyperspectral imager 3. The outer ring of the bearing is fixedly connected to the inner wall of the acquisition box 1, and the inner ring of the bearing is adsorbed and connected to the light source 5 fixing bracket 4 through a magnetic strip.

[0022] As Figure 2 shown, the light source 5 fixing bracket 4 is an annular bracket, and various light sources 5 are installed on the light source 5 fixing bracket 4 as needed. When in use, different types of light sources 5 are selected to be turned on, and at the same time, the irradiation direction of the light source 5 is adjusted, so as to achieve the adjustment of the spectral range of the light source 5. The light source 5 can be set as a halogen lamp, a light-emitting diode, a laser, and a tunable light source. The selection of these light sources 5 depends on the specific tobacco variety. Selecting a light source 5 suitable for the tobacco variety helps to optimize the spectral data obtained by acquisition and improve the quality and accuracy of the image. A rotating rod 6 is arranged on the outer wall of the acquisition box 1 corresponding to the light source 5 fixing bracket 4. A magnetic attraction block is embedded at the end of the rotating rod 6, and the magnetic attraction block is adsorbed on the outer wall of the acquisition box 1. During the use process, after turning on the corresponding light source 5, the position of the rotating rod 6 is moved to drive the light source 5 fixing bracket 4 to rotate, so as to adjust the irradiation direction of the light source 5.

[0023] A rotatable collection platform 7 is installed at the bottom of the collection box 1. When collecting the tobacco to be collected on the collection platform 7, the collection platform 7 can be rotated to obtain multi-angle and more comprehensive images. The collection platform 7 is a gear platform, and the gear platform meshes with the driving gear 10 installed on the output shaft of the rotating motor 9. The rotating motor 9 is connected to the computer 2, and the computer 2 controls the rotation of the rotating motor 9 to drive the collection platform 7 to rotate. The collection platform 7 is installed at the bottom of the collection box 1 through the fixing rod 8, and the collection platform 7 is connected to the fixing rod 8 through a bearing.

[0024] Finally, it should also be noted that in this article, relationships such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms including, containing or any other variant are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0026] The embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the actual application or the improvement of the technology in the market, or to enable other ordinary technical personnel in the technical field to understand the embodiments disclosed herein.

Claims

1. A hyperspectral acquisition device applicable to various tobacco varieties, characterized in that, Including: A collection box and a computer. A hyperspectral imager is installed on the top of the collection box through a lifting device. A bearing is installed on the inner wall of the collection box. The inner ring of the bearing is connected to a light source fixing frame through a magnetic strip, and at least two light sources are installed on the light source fixing frame. A rotating rod is arranged on the outer wall of the collection box corresponding to the light source fixing frame, and a rotatable collection table is installed at the bottom of the collection box.

2. The hyperspectral acquisition device applicable to various tobacco varieties according to claim 1, characterized in that The collection table is a gear table meshing with a driving gear. The driving gear is installed on the output shaft of a rotating motor, and the rotating motor is connected to the computer.

3. The hyperspectral acquisition device applicable to various tobacco varieties according to claim 2, characterized in that, The collection table is installed at the bottom of the collection box through a fixing rod, and the collection table is connected to the fixing rod through a bearing.

4. The hyperspectral acquisition device applicable to various tobacco varieties according to claim 1, characterized in that, The lifting device includes a cylinder and a connecting arm. The cylinder is connected to the hyperspectral imager through the connecting arm, and the cylinder is installed on the inner wall of the collection box and connected to the computer.

5. The hyperspectral acquisition device applicable to various tobacco varieties according to claim 1, characterized in that, A magnetic attraction block is embedded at the end of the rotating rod, and the magnetic attraction block is adsorbed on the outer wall of the collection box.

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