Hyperspectral food detection instrument combined with diffuse reflection coating

By applying diffuse reflective materials inside the light box of the food detection instrument and installing a hyperspectral camera and RGB camera, the problems of long detection time and complex structure in the existing food detection technology are solved, and efficient and fast food detection is achieved.

CN222913481UActive Publication Date: 2025-05-27广州光信科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421662738.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-05-27
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

The existing food testing technology has the disadvantages of long inspection time, complex structure, and narrow bands, which affects the time of food to market and brings the risk of economic losses.

Method used

A hyperspectral food detection instrument combining diffuse reflection coating was designed, using diffuse reflection materials to replenish light inside the light box, and a hyperspectral camera and RGB camera were installed above the light box to achieve capture of different bands.

Benefits of technology

It improves the accuracy and efficiency of inspection, can quickly detect food surfaces, reduce detection time, and reduce the risk of economic losses.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222913481U_ABST
    Figure CN222913481U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of food detection instruments, and discloses a hyperspectral food detection instrument combined with a diffuse reflection coating, which comprises a shell, a lamp box is fixedly arranged in the shell, a support plate is fixedly arranged above the lamp box, a hyperspectral camera and an RGB (Red, Green and Blue) camera are fixedly arranged above the support plate, and the hyperspectral camera and the RGB camera are fixedly arranged on the shell. And a cooling fan is fixedly mounted at the output end of the motor. The interior of the lamp box is coated with diffuse reflection materials, meanwhile, the supporting plate is fixedly installed above the lamp box, and the hyperspectral camera and the RGB camera are fixedly installed above the supporting plate, so that after food is placed in the tray, the diffuse reflection materials can supplement internal light rays, and the detection precision is improved; meanwhile, the hyperspectral camera and the RGB camera capture different wave bands at the same time, so that the food surface can be rapidly detected on the basis of improving the detection precision, and the effect of improving the detection efficiency is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of food detection instruments, and more specifically, to a high-spectrum food detection instrument combined with a diffuse reflection coating. Background Art

[0002] As people's living standards improve, the requirements for food safety are increasing. At present, ordinary food needs to be tested before entering the market to ensure its quality. The existing food testing technology is divided into sampling testing and batch testing. Sampling testing takes a long time and has a complex structure. In batch measurement, some equipment uses spectral equipment, but the switching filter method has the disadvantages of narrow band, complex mechanical structure, and long time. The long food testing time will affect the time of food to market and bring potential economic loss risks to food companies. How to quickly, accurately and easily test food has become an urgent problem to be solved. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a high-spectrum food detection instrument combined with a diffuse reflection coating, which has the advantage of high detection efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hyperspectral food detection instrument combined with a diffuse reflection coating, comprising a shell, a light box is fixedly installed inside the shell, a support plate is fixedly installed above the light box, a hyperspectral camera and an RGB camera are fixedly installed above the support plate, a breathable frame is fixedly installed above the light box, a bracket is fixedly installed inside the breathable frame, a motor is fixedly installed on a side of the bracket close to the support plate, and a cooling fan is fixedly installed on the output end of the motor.

[0005] As a preferred technical solution of the utility model, a slide groove is opened inside the shell, a slide rod is slidably connected inside the slide groove, a rack is fixedly installed on the side of the slide rod away from the shell, a tray is fixedly installed on the side of the slide rod close to the shell, a connecting plate is fixedly installed on the outside of the shell, a fixing plate is fixedly installed above the connecting plate, a motor is fixedly installed behind the fixing plate, a gear is fixedly installed on the output end of the motor, and a connecting wire is fixedly installed in front of the light box.

[0006] As a preferred technical solution of the utility model, there are two air-permeable frames, both of which are located inside the shell, and there are two motors and two cooling fans, both of which are located on the left and right sides of the shell respectively.

[0007] As a preferred technical solution of the utility model, there are two slide grooves, both of which are located inside the shell, and there are two slide rods, which are respectively located on the left and right sides of the light box.

[0008] As a preferred technical solution of the utility model, there are two motors and two gears, the two motors and the two gears are respectively located on the left and right sides of the housing, and the two gears are respectively meshed with the two racks.

[0009] As a preferred technical solution of the utility model, the hyperspectral camera and the RGB camera are both located inside the housing, and the hyperspectral camera and the RGB camera are both located above the light box.

[0010] As a preferred technical solution of the utility model, the light box is in the shape of a cube as a whole, and the interior of the light box is hollow, and the light box is located above the connecting plate.

[0011] As a preferred technical solution of the utility model, there are four connecting plates, which are respectively located on the left and right sides of the shell, and are respectively located on the front and rear sides of the two racks.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model coats the inside of the light box with diffuse reflection material, and fixes a support plate on the top of the light box, and fixes a hyperspectral camera and an RGB camera on the top of the support plate. When food is placed inside the tray, the diffuse reflection material will supplement the internal light to improve the detection accuracy. At the same time, the hyperspectral camera and the RGB camera will capture different bands at the same time, so that the food surface can be quickly detected on the basis of improving the detection accuracy, thereby achieving the effect of improving the detection efficiency.

[0014] 2. The utility model has a rack fixedly installed on the outer side of the slide bar, a motor fixedly installed in front of the fixed plate, a gear fixedly installed on the output end of the motor, and the gear is meshed with the rack. When the motor is started to drive the gear to rotate, the gear will mesh with the rack, thereby driving the slide bar to drop downward, so that the tray drops to the bottom of the connecting plate. At this time, the food to be tested is placed in the tray, and then the tray is reset to achieve the effect of convenient testing. At the same time, the internal space of the tray is large, and different foods can be placed to achieve the effect of simultaneous testing of multiple foods. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 It is a partial structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the light box of the utility model;

[0019] Figure 5 This is a schematic diagram of the tray structure of the utility model.

[0020] In the figure: 1. Shell; 2. Light box; 3. Support plate; 4. Hyperspectral camera; 5. RGB camera; 6. Breathable frame; 7. Bracket; 8. Motor; 9. Cooling fan; 10. Slide groove; 11. Slide rod; 12. Rack; 13. Tray; 14. Connecting plate; 15. Fixing plate; 16. Motor; 17. Gear; 18. Connecting wire. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 5 As shown, the utility model provides a hyperspectral food detection instrument combined with a diffuse reflection coating, including a shell 1, a light box 2 is fixedly installed inside the shell 1, a support plate 3 is fixedly installed above the light box 2, a hyperspectral camera 4 and an RGB camera 5 are fixedly installed above the support plate 3, a ventilation frame 6 is fixedly installed above the light box 2, a bracket 7 is fixedly installed inside the ventilation frame 6, a motor 8 is fixedly installed on one side of the bracket 7 close to the support plate 3, and a cooling fan 9 is fixedly installed at the output end of the motor 8.

[0023] The lenses of the hyperspectral camera 4 and the RGB camera 5 are both located inside the light box 2 , and their main function is to quickly detect the food inside the light box 2 through optics.

[0024] Among them, a slide groove 10 is opened inside the shell 1, and a slide rod 11 is slidably connected inside the slide groove 10. A rack 12 is fixedly installed on the side of the slide rod 11 away from the shell 1, and a tray 13 is fixedly installed on the side of the slide rod 11 close to the shell 1. A connecting plate 14 is fixedly installed on the outside of the shell 1, a fixing plate 15 is fixedly installed above the connecting plate 14, a motor 16 is fixedly installed behind the fixing plate 15, a gear 17 is fixedly installed on the output end of the motor 16, and a connecting line 18 is fixedly installed in front of the light box 2.

[0025] The tray 13 is located below the light box 2 and is hollow inside. The main function of the tray 13 is to place a variety of foods inside the light box 2, thereby achieving the effect of facilitating detection.

[0026] There are two ventilation frames 6 , both of which are located inside the outer shell 1 . There are two motors 8 and two cooling fans 9 , both of which are located on the left and right sides of the outer shell 1 .

[0027] The two motors 8 drive the two cooling fans 9 to rotate rapidly, so that the air inside the housing 1 can circulate rapidly, thereby cooling the waste heat generated by the hyperspectral camera 4 and the RGB camera 5 and improving the heat dissipation effect.

[0028] There are two slide grooves 10 , both of which are located inside the housing 1 , and there are two slide bars 11 , both of which are located on the left and right sides of the light box 2 .

[0029] The two slide bars 11 are located on the left and right sides of the tray 13 , and their main function is to fix the tray 13 inside the housing 1 by being fixedly connected to the tray 13 , so as to facilitate the normal placement of food.

[0030] There are two motors 16 and two gears 17 , which are respectively located on the left and right sides of the housing 1 , and the two gears 17 are respectively meshed with the two racks 12 .

[0031] After the two motors 16 are started, they drive the two gears 17 to rotate, so that the two gears 17 are meshed with the two racks 12, thereby driving the tray 13 to drop downward, making it convenient to put food into the tray 13.

[0032] The hyperspectral camera 4 and the RGB camera 5 are both located inside the housing 1 , and the hyperspectral camera 4 and the RGB camera 5 are both located above the light box 2 .

[0033] The four RGB cameras 5 can accurately capture the spectrum of the food surface, so that when the food is placed inside the tray 13, it can be quickly detected, thereby achieving the effect of improving efficiency.

[0034] The light box 2 is in the shape of a cube as a whole, and the interior of the light box 2 is hollow, and the light box 2 is located above the connecting plate 14 .

[0035] The interior of the light box 2 is coated with diffuse reflective material, which is mainly used to provide uniform illumination of the sample to ensure the detection accuracy.

[0036] There are four connecting plates 14 , which are respectively located on the left and right sides of the housing 1 , and are respectively located on the front and rear sides of the two racks 12 .

[0037] The main function of the four connecting plates 14 is to connect and support the entire housing 1 , thereby ensuring the overall stability of the housing 1 .

[0038] The working principle and use process of this utility model:

[0039] First, the motor 16 is started to drive the gear 17 to rotate, and the gear 17 will mesh with the rack 12, so as to drive the slide bar 11 to drop downward, so that the tray 13 drops below the connecting plate 14, and then the food to be tested is placed inside the tray 13, and then the tray 13 is reset. At the same time, the internal space of the tray 13 is large, and different foods can be placed;

[0040] At this time, the diffuse reflective material inside the light box 2 will supplement the internal light to improve the detection accuracy. At the same time, the hyperspectral camera 4 and the RGB camera 5 will capture different bands at the same time to detect the food;

[0041] Secondly, the motor 8 is started to drive the cooling fan 9 to rotate rapidly, so that the air inside the housing 1 can circulate rapidly, and the waste heat generated by the hyperspectral camera 4 and the RGB camera 5 can be cooled, thereby improving the heat dissipation effect;

[0042] Finally, the tray 13 is lowered to replace the food to be inspected, thereby improving the overall inspection efficiency.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. 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 "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hyperspectral food detection instrument combined with a diffuse reflection coating, comprising a housing (1), characterized in that: A light box (2) is fixedly installed inside the housing (1), a support plate (3) is fixedly installed above the light box (2), a hyperspectral camera (4) and an RGB camera (5) are fixedly installed above the support plate (3), a ventilation frame (6) is fixedly installed above the light box (2), a bracket (7) is fixedly installed inside the ventilation frame (6), a motor (8) is fixedly installed on a side of the bracket (7) close to the support plate (3), and a cooling fan (9) is fixedly installed at the output end of the motor (8).

2. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 1, characterized in that: The housing (1) is provided with a slide groove (10) inside, and a slide rod (11) is slidably connected inside the slide groove (10), a rack (12) is fixedly installed on the side of the slide rod (11) away from the housing (1), and a tray (13) is fixedly installed on the side of the slide rod (11) close to the housing (1), a connecting plate (14) is fixedly installed on the outside of the housing (1), a fixing plate (15) is fixedly installed above the connecting plate (14), a motor (16) is fixedly installed behind the fixing plate (15), a gear (17) is fixedly installed at the output end of the motor (16), and a connecting wire (18) is fixedly installed in front of the light box (2).

3. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 1, characterized in that: There are two ventilation frames (6), and the two ventilation frames (6) are both located inside the outer shell (1). There are two motors (8) and two cooling fans (9), and the two motors (8) and the two cooling fans (9) are respectively located on the left and right sides of the outer shell (1).

4. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 2, characterized in that: There are two slide grooves (10), both of which are located inside the housing (1); there are two slide rods (11), both of which are located on the left and right sides of the light box (2), respectively.

5. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 2, characterized in that: There are two motors (16) and two gears (17), and the two motors (16) and the two gears (17) are respectively located on the left and right sides of the housing (1), and the two gears (17) are respectively meshed with the two racks (12).

6. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 1, characterized in that: The hyperspectral camera (4) and the RGB camera (5) are both located inside the housing (1), and the hyperspectral camera (4) and the RGB camera (5) are both located above the light box (2).

7. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 2, characterized in that: The light box (2) is in the shape of a cube as a whole, and the interior of the light box (2) is hollow, and the light box (2) is located above the connecting plate (14).

8. The hyperspectral food detection instrument combined with diffuse reflection coating according to claim 2, characterized in that: There are four connecting plates (14), which are respectively located on the left and right sides of the housing (1), and are respectively located on the front and rear sides of the two racks (12).