Scanning gun for tracing agricultural products

Abstract

The scanning gun comprises a grip and a scanning gun body, the front end of the scanning gun body is provided with a light shield, the rear end of the scanning gun body is provided with a back sealing cover, and a camera module, an emission light source module, a spectrometer module, a power supply module and a communication module are sequentially arranged in the scanning gun body from top to bottom. A main control circuit board is arranged on the inner side of the back sealing cover, the main control circuit board is connected with a camera module, an emission light source module, a spectrograph module, a communication module and a power module, a control unit and a storage backup unit are arranged on the main control circuit board, and the spectrograph module comprises a packaging shell. A light incident plate, a collimating lens, a prism group and an analog-to-digital converter are sequentially arranged in the packaging shell from front to back, the prism group comprises a prism frame, and two incident prisms, two dispersion prisms and two emergent prisms are sequentially arranged on the prism frame from front to back. The resolution and sensitivity of the scanning gun are improved, and spectral data of agricultural products can be directly obtained by scanning the surfaces of the agricultural products.

Description

Technical Field

[0001] The utility model relates to the technical field of tracing the source by optical means, and in particular to a scanning gun used for tracing the source of agricultural products. Background Art

[0002] An agricultural product traceability system refers to a system that tracks agricultural products at all stages of their journey to market. It involves multiple processes, including the origin, processing, transportation, wholesale, and sales of agricultural products, and facilitates quality control and, when necessary, product recalls. Chinese patent CN202122537499.8 discloses a barcode scanner gun for product traceability. The gun features a housing at the upper end of a handle, with first sliding rails located at both the front and rear ends of the housing. A base is located at the lower end of the handle, with second sliding rails located at both the front and rear ends of the base. Anti-collision rings are located on the exterior of both the second and first rails, with first shock-absorbing springs located at both ends of the anti-collision rings. A first internal groove is located on one side of the housing, with an optical lens located on one side of the first groove, and a scanning module located on one side of the optical lens. Second internal grooves are located at both the upper and lower ends of the first groove, with a lighting tube located within the second groove. This addresses the issue of shortened product lifespan due to collisions. This barcode scanner uses a single optical lens for refraction, making it unable to select specific wavelengths of light to enter the scanning module. This results in relatively low resolution and sensitivity, and makes it incapable of directly acquiring spectral data from the surface of agricultural products. Utility Model Content

[0003] In order to solve the defects of low resolution and sensitivity of existing barcode scanning guns, the utility model provides a scanning gun for agricultural product traceability. A prism group is set in the spectrometer module. The prism group performs preliminary optical path adjustment on the incident light, decomposes it into a spectrum according to wavelength, and transmits the spectral data to the control unit and the storage backup unit via an analog-to-digital converter, so as to directly obtain the spectral data of the agricultural products by scanning the surface of the agricultural products.

[0004] The purpose of the utility model is achieved through the following technical solutions: A scanning gun for agricultural product traceability, comprising a grip and a scanning gun body at the top of the grip, the front end of the scanning gun body being provided with a light shield, the rear end of the scanning gun body being provided with a back cover, the interior of the scanning gun body being provided with a camera module, an emitting light source module, and a spectrometer module in sequence from top to bottom, the rear sides of the camera module and the emitting light source module being provided with a power module, the rear side of the spectrometer module being provided with a communication module, the inner side of the back cover being provided with a main control circuit board, the main control circuit board being connected to the camera module, the emitting light source module, the spectrometer module, the communication module, and the power module respectively, the main control circuit board being provided with a control unit and a storage backup unit, the spectrometer module comprising a packaging shell, the packaging shell being provided with a light input plate, a collimating lens, a prism group, and an analog-to-digital converter in sequence from front to back, the prism group comprising a prism frame, and the prism frame being provided with two incident prisms, two dispersion prisms, and two exit prisms in sequence from front to back.

[0005] In a preferred embodiment, a light entrance slit is provided in the middle of the light entrance plate, and the width of the light entrance slit can be continuously adjusted between 0.01 and 3 mm.

[0006] In a preferred embodiment, a battery cover is provided on the top of the scanning gun body, and heat dissipation grille holes are provided on both sides of the scanning gun body.

[0007] In a preferred embodiment, a base is provided at the lower end of the handle, and a charging interface is provided on the base, and the charging interface is connected to the power module.

[0008] In a preferred embodiment, a touch screen and buttons are provided on the outer side of the back cover, and a scanning switch is provided on the handle.

[0009] In a preferred embodiment, a USB port is provided at the bottom of the scanning gun body.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] 1. This utility model makes full use of the principle of spectral analysis to quickly and accurately obtain spectral information on the surface of agricultural products, and can realize online analysis and query, which can track and accurately trace the entire life cycle of agricultural products. Compared with traditional scanning technology, it not only provides consumers and producers with more detailed and comprehensive data on the ingredients, quality and production environment of agricultural products, but also provides strong support for their decision-making.

[0012] 2. The overall design of this utility model is small and compact, portable and drop-resistant, so that it can easily meet the different needs of farm workers. Whether in the fields or in the warehouse, it can realize the mobility of agricultural product traceability, making it easy for farm workers and producers to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the rear structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the scanning gun body in the present invention;

[0016] Figure 4 This is a schematic diagram of the electrical structure of the utility model;

[0017] Figure 5 This is a schematic structural diagram of the spectrometer module in the present invention;

[0018] Figure 6 This is a schematic structural diagram of the prism assembly in the present invention;

[0019] Figure 1: 1-handle; 2-scanning gun body; 3-light shield; 4-camera module; 5-emitting light source module; 6-spectrometer module; 7-base; 8-scanning switch; 9-back cover; 10-touch screen; 11-button; 12-battery cover; 13-heat dissipation grid; 14-control unit; 15-main control circuit board; 16-storage backup unit; 17-inner cavity; 18-communication module; 19-power module; 20-charging interface; 21-USB interface; 61-packaging shell; 62-light input plate; 63-light input slit; 64-lens holder; 65-collimating lens; 66-prism group; 67-analog-to-digital converter; 661-prism holder; 662-incident prism; 663-dispersion prism; 664-exit prism. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The detailed description of the following examples and the accompanying drawings are intended to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention. That is, the present invention is not limited to the preferred embodiments described, and the scope of the present invention is defined by the claims.

[0021] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance; for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0022] Example 1

[0023] See also Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 The embodiment provides a scanning gun for agricultural product traceability, comprising a handle 1 and a scanning gun body 2 at the top of the handle. The front end of the scanning gun body 2 is provided with a light shield 3, the rear end of the scanning gun body 2 is provided with a back cover 9, and the interior of the scanning gun body 2 is provided with an inner cavity 17. The inner cavity 17 is provided with a camera module 4, a light source module 5, and a spectrometer module 6 from top to bottom. The rear side of the camera module 4 and the light source module 5 is provided with a power module 19, and the rear side of the spectrometer module 6 is provided with a communication module 18. The inner side of the back cover 9 is provided with a main control circuit board 15. The main circuit board 1 5 are respectively controlled and connected to the camera module 4, the emission light source module 5, the spectrometer module 6, the communication module 18, and the power module 19. The main control circuit board 15 is provided with a control unit 14 and a storage backup unit 16. The spectrometer module 6 includes a packaging shell 61. The packaging shell 61 is provided with a light input plate 62, a collimating lens 65, a prism group 66, and an analog-to-digital converter 67 from front to back. The prism group 66 includes a prism frame 661. The prism frame 661 is provided with two incident prisms 662, two dispersion prisms 663, and two exit prisms 664 from front to back.

[0024] See also Figure 5 In this embodiment, the spectrometer module 6 includes a packaging shell 61 and an analog-to-digital converter 67 fixedly installed on the inner wall of the packaging shell 61. A light input plate 62 is fixedly installed on the front of the packaging shell 61, and a light input slit 63 is provided in the middle of the light input plate 62. A prism group 66 and a lens holder 64 are fixedly installed in the middle of the packaging shell 61, and a collimating lens 65 is fixedly installed in the middle of the lens holder 64.

[0025] The spectrometer module 6 is mainly used to obtain the spectral data of the surface of agricultural products, and has sufficient resolution and sensitivity. The internal structure of the spectrometer module 6 is as follows: Figure 5As shown, the light reflected from the surface of the agricultural product is incident on the light entrance slit 63 of the light entrance plate 62 (the size setting of the light entrance slit is crucial to the performance of the spectrometer. Its width is between 0.01 and 3 mm, and this range allows continuous adjustment to meet different needs). The light entrance slit 63 helps to guide the light. The light passing through the light entrance slit 63 is irradiated by the prism group 66 through the collimating lens 65 for guiding the light. The prism group 66 can disperse the incident light into light of different wavelengths. The obtained spectral data is converted into a digital signal by the analog-to-digital converter 67, and the collected digital signal is transmitted to the control unit 14 and then output to the communication module 18. The communication module 18 provides unlimited connection of Wi-Fi, Bluetooth or 5G signals to transmit data to the cloud or other devices; the obtained digital signal is uploaded to the Internet to realize real-time data storage, analysis and management, and at the same time compared with the data information in the database. Offline data can be stored in the storage backup unit 16 to avoid data loss. After the agricultural product information is obtained, it is transmitted to the touch screen 10 of the scanner and the user's mobile client.

[0026] See also Figure 6 In this embodiment, the prism group 66 includes two incident prisms 662, two dispersion prisms 663 and two exit prisms 664, wherein the incident prism 662 is an isosceles right-angled triangular prism with a larger incident surface and two smaller exit surfaces, arranged at the front end of the prism group 66, responsible for receiving and preliminarily refracting the incident light, introducing the incident light into the prism group, and performing preliminary optical path adjustment; the dispersion prism 663 is a rectangular parallelepiped with two large surfaces parallel to the optical axis and a smaller bottom surface, arranged after the incident prism 662, and used to disperse the light according to wavelength, and utilize the principle that different wavelengths of light have different refractive indices in the medium to decompose the composite light into a spectrum; the exit prism 664 is an isosceles right-angled triangular prism, the angle of which is adjusted to match the output of the dispersion prism 663, arranged after the dispersion prism 663, and responsible for collecting and outputting the dispersed light, recombining the light dispersed by the dispersion prism, and guiding it in the desired direction.

[0027] See also Figure 2 In this embodiment, a battery cover 12 is snapped onto the top of the scanner body 2, and heat dissipation grilles 13 are provided on both sides of the scanner body 2. A base 7 is provided at the lower end of the handle 1, which houses a charging port 20 that connects to the power module 19. The power module is a rechargeable lithium battery, with a spare battery provided for alternate use. Users can directly charge the lithium battery through the charging port 20 or open the battery cover 12 to replace the lithium battery, ensuring sufficient power when the scanner is in use. The heat dissipation grilles 13 facilitate heat dissipation within the scanner, reducing the impact of current thermal effects and ensuring long-term stable operation of the scanner.

[0028] See also Figure 2 In this embodiment, a touchscreen display 10 and buttons 11 are provided on the outside of the back cover 9, and a scan switch 8 is provided on the handle 1. The touchscreen display 10 and buttons 11 are connected to a main control circuit board 15 for user parameter input and scanner control. The scan switch 8 is connected to a power module 19.

[0029] In this embodiment, the emission light source module 5 may adopt a vacuum tungsten lamp light source, which has a life span of more than 17,000 hours.

[0030] See also Figure 3 In this embodiment, a USB port 21 is provided at the bottom of the scanner body 2 below the back cover 9. The USB port is connected to the main control circuit board 15 and is used to connect the scanner to an external computer or other device to facilitate data transmission.

[0031] In this embodiment, the light shield 3 is made of rubber, a flexible, three-dimensional structure that effectively blocks interference from external light sources and maximizes the collection of light reflected from the surface of the agricultural products back to the scanner. The light source module 5 emits light at a 45-degree angle, effectively collecting reflected light when it strikes the agricultural products. The camera module 4 is a high-resolution camera that captures images of the agricultural product surface and correlates the image data with spectral data, providing more comprehensive information for agricultural product traceability.

[0032] The scanner combines the camera module 4 with the spectrometer module 6 to not only capture spectral data from agricultural products but also closely correlates this spectral data with images of the produce, providing more comprehensive information and enabling users to more accurately understand the various characteristics of the produce. Combined with spectral analysis technology, this technology can provide even more detailed traceability information, such as the composition and quality of the produce, significantly improving the traceability of agricultural products.

[0033] The scanner also features real-time monitoring and feedback capabilities. Through wireless transmission methods like Wi-Fi and Bluetooth provided by the communication module 18, data captured by the scanner can be uploaded to the cloud or other devices in real time. This allows users to not only promptly monitor changes in agricultural product quality but also gain insights into key information such as the growing environment. This real-time data monitoring and feedback mechanism undoubtedly provides powerful technical support for agricultural product quality management and control.

[0034] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A scanning gun for agricultural product traceability, comprising a handle (1) and a scanning gun body (2) at the top of the handle, characterized in that: The front end of the scanning gun body (2) is provided with a light shield (3), the rear end of the scanning gun body (2) is provided with a back cover (9), the interior of the scanning gun body (2) is provided with a camera module (4), a light emitting light module (5), and a spectrometer module (6) in sequence from top to bottom, the rear sides of the camera module (4) and the light emitting light module (5) are provided with a power module (19), the rear side of the spectrometer module (6) is provided with a communication module (18), the inner side of the back cover (9) is provided with a main control circuit board (15), and the main control circuit board (15) is connected to the camera module (4), the light emitting light module (5), and the spectrometer module (6), a communication module (18), and a power supply module (19) are connected; a control unit (14) and a storage backup unit (16) are provided on the main control circuit board (15); the spectrometer module (6) comprises a packaging shell (61); a light input plate (62), a collimating lens (65), a prism group (66), and an analog-to-digital converter (67) are provided in the packaging shell (61) from front to back; the prism group (66) comprises a prism frame (661); two incident prisms (662), two dispersion prisms (663), and two exit prisms (664) are provided on the prism frame (661) from front to back.

2. The scanner gun for agricultural product traceability according to claim 1, characterized in that: A light entrance slit (63) is provided in the middle of the light entrance plate (62), and the width of the light entrance slit (63) can be adjusted between 0.01 and 3 mm.

3. The scanner gun for agricultural product traceability according to claim 1, characterized in that: A battery cover (12) is provided at the top of the scanning gun body (2), and heat dissipation grille holes (13) are provided on both sides of the scanning gun body (2).

4. The scanning gun for agricultural product traceability according to claim 1, characterized in that: The lower end of the handle (1) is provided with a base (7), and the base (7) is provided with a charging interface (20), and the charging interface (20) is connected to the power module (19).

5. The scanner gun for agricultural product traceability according to claim 1, characterized in that: A touch screen (10) and a button (11) are provided on the outer side of the back cover (9), and a scanning switch (8) is provided on the handle (1).

6. The scanning gun for agricultural product traceability according to claim 1, characterized in that: A USB interface (21) is provided at the bottom of the scanning gun body (2).

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