Rapid food fluorescent substance detection device

Abstract

The utility model belongs to the technical field of food fluorescent substance detection, and in particular relates to a food fluorescent substance rapid detection device which comprises a base, a box body is arranged on the base, a box door is arranged on the box body, a fixed seat is arranged on a bottom plate of the box body, a sliding groove is formed in the fixed seat, a sliding ring is assembled in the sliding groove, and the box door is arranged on the sliding ring. The periphery of the sliding ring is fixedly sleeved with a first gear, a groove is formed in the side wall of the box body, a first rotating rod is rotationally installed on the inner wall of the groove, the first rotating rod is sleeved with a second gear, and the second gear is meshed with the first gear; a slip ring drives an irradiation lamp, a filter plate, a convergent lens and a signal receiver on a first mounting frame and a second mounting frame to rotate by one circle, the irradiation lamp rotates by one circle along the circumference of a food sample, and the irradiation lamp comprehensively irradiates the food sample, so that comprehensive detection of the food sample is realized, incomplete detection is avoided, and the detection efficiency is improved. And the detection accuracy can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food fluorescent substance detection, in particular to a food fluorescent substance rapid detection device. Background Art

[0002] Fluorescent whitening agents are benzene ring organic substances containing aromatic amine structures and styrene structures. Fluorescent whitening agents will accumulate in the body and are one of the potential carcinogenic factors. The state strictly prohibits the use of fluorescent whitening agents in the processing of food and food-related products. Therefore, it is necessary to test foods for fluorescent substances, and detection equipment is required during the testing process.

[0003] A Chinese patent with publication number CN208984531U discloses a rapid detection device for fluorescent substances in food, which belongs to the technical field of food detection equipment, including a box body, a filter plate is arranged in the box body, a connecting plate is arranged above the filter plate, a first irradiation component and a second irradiation component are arranged at the bottom of the connecting plate, a signal receiver is arranged at the bottom of the filter plate, a signal processing system is also arranged in the box body, a USB interface is arranged on the wall of the box body, and the signal receiver, the signal processing system and the USB interface are electrically connected. This application can quickly detect whether a sample contains fluorescent substances through the arrangement of the first irradiation component and the second irradiation component, the filter plate, the signal receiver, the signal processing system and the USB interface. The operation is simple, the use is convenient, the detection speed is fast, the detection efficiency is high, and the detection limit of fluorescent substances in food is low.

[0004] In the process of detecting fluorescent substances in food, the existing detection device cannot perform all-round detection of food due to the fixed detection structure, resulting in poor detection accuracy; therefore, a rapid detection device for fluorescent substances in food is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a rapid detection device for fluorescent substances in food.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a rapid detection device for fluorescent substances in food described in the utility model comprises a base, a box body is installed on the base, a box door is installed on the box body, a fixing seat is installed on the bottom plate of the box body, a sliding groove is provided on the fixing seat, a sliding ring is installed in the sliding groove, a first gear is fixedly sleeved on the periphery of the sliding ring, a groove is provided on the side wall of the box body, a first rotating rod is rotatably installed on the inner wall of the groove, a second gear is sleeved on the first rotating rod, the second gear is meshed with the first gear, and the outer wall of the box body is provided with a groove. A fixing plate is installed on the fixing plate, and a second rotating rod is rotatably installed on the fixing plate. A third gear is sleeved on the second rotating rod, and the third gear is meshed with the second gear. A motor is installed on the side wall of the box body through a machine base, and the output shaft of the motor is connected to the second rotating rod, and the irradiation lamp, filter plate, converging lens and signal receiver on the first mounting frame and the second mounting frame are driven to rotate one circle through a sliding ring. The irradiation lamp rotates one circle along the circumference of the food sample, and the irradiation lamp fully irradiates the food sample, thereby realizing a comprehensive detection of the food sample, avoiding incomplete detection, and being beneficial to improving the accuracy of the detection.

[0007] Preferably, a placing table is installed on the bottom plate of the box body, and a food sample is placed on the placing table. A first mounting frame and a second mounting frame are symmetrically installed on the sliding ring, a mounting block is installed on the first mounting frame, and an irradiation lamp is installed on the mounting block. A fixing frame is installed on the second mounting frame, and a signal receiver is installed on the inner wall of the fixing frame. A filter plate and a converging lens are installed inside the fixing frame, and the converging lens is located on the outside. A supporting frame is installed on the base, and a display screen is installed on the supporting frame. The display screen is connected to the signal receiver through an internal circuit. By placing the food sample at the center of the placing table, the irradiation lamp emits blue light to irradiate the food sample. If there is fluorescent substance inside the food sample, the fluorescent substance will be excited and produce strong fluorescence, which is received by the signal receiver, and the signal receiver sends an electrical signal to the display screen. Thereafter, the analysis result is displayed on the display screen, thereby realizing rapid detection of food samples and helping to improve the efficiency of detection.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model drives the irradiation lamp, the filter plate, the converging lens and the signal receiver on the first mounting frame and the second mounting frame to rotate one circle through the sliding ring, and the irradiation lamp rotates one circle along the circumference of the food sample. The irradiation lamp fully irradiates the food sample, thereby realizing a comprehensive detection of the food sample, avoiding incomplete detection, and being beneficial to improving the accuracy of the detection.

[0010] 2. The utility model places the food sample at the center of the placement table, and the irradiation lamp emits blue light to irradiate the food sample. If there is fluorescent substance inside the food sample, the fluorescent substance will be excited and produce strong fluorescence. The fluorescence is received by the signal receiver, and the signal receiver sends an electrical signal to the display screen. Then the analysis result is displayed on the display screen, thereby realizing rapid detection of food samples and helping to improve the efficiency of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the irradiation lamp;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure inside the box;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the signal receiver.

[0016] In the figure: 1. base; 2. box body; 3. box door; 4. fixed seat; 5. sliding groove; 6. sliding ring; 7. first gear; 8. groove; 9. first rotating rod; 10. second gear; 11. fixed plate; 12. second rotating rod; 13. third gear; 14. motor; 15. placing table; 16. food sample; 17. first mounting frame; 18. second mounting frame; 19. mounting block; 20. irradiation lamp; 21. fixing frame; 22. signal receiver; 23. filter plate; 24. converging lens; 25. support frame; 26. display screen. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4As shown, a rapid detection device for fluorescent substances in food comprises a base 1, a box body 2 is mounted on the base 1, a box door 3 is mounted on the box body 2, a fixing seat 4 is mounted on the bottom plate of the box body 2, a sliding groove 5 is provided on the fixing seat 4, a sliding ring 6 is assembled in the sliding groove 5, a first gear 7 is fixedly sleeved on the periphery of the sliding ring 6, a groove 8 is provided on the side wall of the box body 2, a first rotating rod 9 is rotatably mounted on the inner wall of the groove 8, a second gear 10 is sleeved on the first rotating rod 9, the second gear 10 and the first gear 7 are meshed with each other, a fixing plate 11 is mounted on the outer wall of the box body 2, a second rotating rod 12 is rotatably mounted on the fixing plate 11, and the second rotating rod 12 The sleeve is provided with a third gear 13, and the third gear 13 is meshed with the second gear 10. A motor 14 is installed on the side wall of the box body 2 through the base, and the output shaft of the motor 14 is connected to the second rotating rod 12. A placing table 15 is installed on the bottom plate of the box body 2, and a food sample 16 is placed on the placing table 15. A first mounting frame 17 and a second mounting frame 18 are symmetrically installed on the sliding ring 6. A mounting block 19 is installed on the first mounting frame 17, and an irradiation lamp 20 is installed on the mounting block 19. A fixing frame 21 is installed on the second mounting frame 18, and a signal receiver 22 is installed on the inner wall of the fixing frame 21. A filter plate 23 and a converging plate are installed inside the fixing frame 21. Lens 24, the converging lens 24 is located on the outside, a support frame 25 is installed on the base 1, a display screen 26 is installed on the support frame 25, and the display screen 26 is connected to the signal receiver 22 through an internal circuit; when working, the existing detection device cannot perform all-round detection of food during the detection of food due to the fixed detection structure, resulting in poor detection accuracy. By placing the food sample 16 at the center of the placement table 15, the irradiation lamp 20 emits a beam of blue light, the blue light has a specific excitation wavelength, and the blue light is irradiated on the food sample 16. If there is fluorescent material inside the food sample 16, the fluorescent material will be excited and produce Strong fluorescence, the fluorescence is in a divergent state, the converging lens 24 converges the light emitted from the food sample 16, and the converged light passes through the filter plate 23, the filter plate 23 filters out the excitation light and stray light, and then the fluorescence is received by the signal receiver 22, the signal receiver 22 converts the light intensity signal into a voltage signal, the signal receiver 22 sends an electrical signal to the display screen 26, the display screen 26 performs data analysis inside, and then the analysis result is displayed on the display screen 26, if there is a fluorescence peak, then the food sample 16 contains fluorescent substances, if not, it can be judged that there is no fluorescent substance in the food sample 16, thereby realizing rapid detection of the food sample 16;

[0019] During the detection of the food sample 16, the motor 14 is operated to drive the third gear 13 to rotate, the third gear 13 drives the second gear 10 to rotate, the second gear 10 drives the first gear 7 to rotate, the first gear 7 drives the sliding ring 6 to rotate one circle, the sliding ring 6 drives the first mounting frame 17 and the second mounting frame 18 thereon to rotate one circle, the first mounting frame 17 and the second mounting frame 18 drive the irradiation lamp 20, the filter plate 23, the converging lens 24 and the signal receiver 22 thereon to rotate one circle, the irradiation lamp 20 rotates one circle along the circumference of the food sample 16, the irradiation lamp 20 fully irradiates the food sample 16, thereby achieving a comprehensive detection of the food sample 16, avoiding incomplete detection, and helping to improve the accuracy of the detection.

[0020] Working principle: In the process of testing food, the existing detection device cannot perform all-round detection of food due to the fixed detection structure, resulting in poor detection accuracy. By placing the food sample 16 at the center of the placement table 15, the irradiation lamp 20 emits a beam of blue light, and the blue light has a specific excitation wavelength. The blue light is irradiated on the food sample 16. If there is fluorescent material inside the food sample 16, the fluorescent material will be excited and produce strong fluorescence. The fluorescence is in a divergent state. The converging lens 24 converges the light emitted from the food sample 16. The converged light passes through the filter plate 23, and the filter plate 23 filters out the excitation light and stray light. Then the fluorescence is received by the signal receiver 22, and the signal receiver 22 converts the light intensity signal into a voltage signal. The signal receiver 22 sends an electrical signal to the display screen 26, and the display screen 26 performs data analysis. Then the analysis results are displayed on the display screen 26. If there is fluorescence If a light peak appears, the food sample 16 contains fluorescent substances. If not, it can be determined that the food sample 16 does not contain fluorescent substances, thereby realizing rapid detection of the food sample 16. In the process of detecting the food sample 16, the motor 14 is operated to drive the third gear 13 to rotate, the third gear 13 drives the second gear 10 to rotate, the second gear 10 drives the first gear 7 to rotate, the first gear 7 drives the sliding ring 6 to rotate one circle, the sliding ring 6 drives the first mounting frame 17 and the second mounting frame 18 thereon to rotate one circle, the first mounting frame 17 and the second mounting frame 18 drive the irradiation lamp 20, the filter plate 23, the converging lens 24 and the signal receiver 22 thereon to rotate one circle, the irradiation lamp 20 rotates one circle along the circumference of the food sample 16, and the irradiation lamp 20 fully irradiates the food sample 16, thereby realizing comprehensive detection of the food sample 16, avoiding incomplete detection, and facilitating improving the accuracy of detection.

[0021] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A rapid detection device for fluorescent substances in food, characterized by: The invention comprises a base (1), a box body (2) is mounted on the base (1), a box door (3) is mounted on the box body (2), a fixing seat (4) is mounted on the bottom plate of the box body (2), a sliding groove (5) is provided on the fixing seat (4), a sliding ring (6) is installed in the sliding groove (5), a first gear (7) is fixedly sleeved on the outer periphery of the sliding ring (6), a groove (8) is provided on the side wall of the box body (2), a first rotating rod (9) is rotatably mounted on the inner wall of the groove (8), and the first rotating rod (9) is A second gear (10) is sleeved thereon, the second gear (10) and the first gear (7) are meshed with each other, a fixing plate (11) is mounted on the outer wall of the box body (2), a second rotating rod (12) is rotatably mounted on the fixing plate (11), a third gear (13) is sleeved on the second rotating rod (12), the third gear (13) and the second gear (10) are meshed with each other, a motor (14) is mounted on the side wall of the box body (2) via a machine base, and an output shaft of the motor (14) is connected to the second rotating rod (12).

2. A rapid detection device for fluorescent substances in food according to claim 1, characterized in that: A placement table (15) is installed on the bottom plate of the box body (2), and a food sample (16) is placed on the placement table (15).

3. A rapid detection device for fluorescent substances in food according to claim 1, characterized in that: A first mounting frame (17) and a second mounting frame (18) are symmetrically mounted on the sliding ring (6); a mounting block (19) is mounted on the first mounting frame (17); and an irradiation lamp (20) is mounted on the mounting block (19).

4. A rapid detection device for fluorescent substances in food according to claim 3, characterized in that: A fixing frame (21) is installed on the second mounting frame (18), and a signal receiver (22) is installed on the inner wall of the fixing frame (21).

5. A rapid detection device for fluorescent substances in food according to claim 4, characterized in that: A filter plate (23) and a converging lens (24) are installed inside the fixing frame (21), and the converging lens (24) is located outside.

6. A rapid detection device for fluorescent substances in food according to claim 1, characterized in that: A support frame (25) is installed on the base (1), a display screen (26) is installed on the support frame (25), and the display screen (26) is connected to a signal receiver (22) via an internal circuit.

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