Nondestructive evaluation apparatus and method for beef carcasses using multispectral infrared imaging

Abstract

The application discloses a kind of multispectral infrared imaging beef carcass nondestructive rating detection equipment and method, belong to multispectral detection technical field.A kind of multispectral infrared imaging beef carcass nondestructive rating detection equipment, including rack, further include: belt conveyor, belt conveyor is set on rack, for conveying beef carcass;Water flushing mechanism, water flushing mechanism is set on rack and is placed in the front end of belt conveyor;Sunshade, sunshade is fixed in rack, the front and back of sunshade are both provided with opening, opening is provided with sunshade curtain;Wherein, sunshade is provided with infrared detection component, displacement component and water removal component;The application has solved the industry problem that form difference is big, surface interference is many in beef carcass online detection, full-automatic continuous detection is not needed artificial sampling detection to beef carcass, improves the accuracy of detection efficiency and detection result, provides reliable solution for meat processing intelligentization.

Description

Technical Field

[0001] This invention relates to the field of multispectral detection technology, and in particular to a non-destructive rating and testing device and method for beef carcasses using multispectral infrared imaging. Background Technology

[0002] Accurately assessing the quality and grade of beef carcasses provides a scientific basis for the pricing, processing, and sales of beef products. This testing often employs multispectral infrared imaging technology, using a spectrometer, a detection system, and a carcass conveyor. The conveyor belt carries the carcass under the spectrometer and detection system for testing. However, the size and shape of multiple carcasses placed on the conveyor belt are unlikely to be identical, making it difficult to ensure that the height of the light source is consistent with the position of the sample surface during each spectral analysis. This affects the accuracy of the test results, and the testing location for the same carcass is relatively singular, further reducing the accuracy of the test results. Summary of the Invention

[0003] The purpose of this invention is to solve the problems existing in the prior art by proposing a non-destructive rating and testing device and method for beef carcasses using multispectral infrared imaging.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A multispectral infrared imaging non-destructive grading and testing device for beef carcasses, comprising a frame, and further comprising:

[0006] A belt conveyor, mounted on a frame, is used to transport beef carcasses;

[0007] A flushing mechanism, which is mounted on the frame and positioned at the front end of the belt conveyor, is used to flush away meat scraps from the surface of the beef carcass.

[0008] A light shield, which is fixed on the frame, has openings on both the front and back sides, and a light-blocking curtain is installed at each opening.

[0009] The light shield contains an infrared detection component for detecting the quality of beef carcasses, a displacement component for driving the infrared detection component to move, and a water removal component for removing residual water droplets after the water rinsing mechanism washes the beef carcasses. The water removal component is located at the front end of the infrared detection component.

[0010] Preferably, the belt conveyor includes a plurality of conveyor rollers rotatably connected to a frame, a conveyor belt slidably connected to the plurality of conveyor rollers, and a conveyor motor connected to the frame and used to drive one of the conveyor rollers to rotate.

[0011] Preferably, the infrared detection component includes a spectrometer fixed on the top of the light shield and a detection assembly connected to the spectrometer via wires. The detection assembly includes an incident light source, a diffuse reflection optical fiber, and a filter.

[0012] Preferably, the displacement assembly includes a reciprocating lead screw rotatably connected inside the light shield, a sleeve threadedly connected to the reciprocating lead screw, a first telescopic rod connected to the sleeve, and a guide frame disposed on the lower side of the first telescopic rod. The guide frame is provided with first inclined surfaces on both sides near the front end of the belt conveyor, and the detection unit is disposed on the upper side of the guide frame.

[0013] Preferably, the reciprocating screw and the belt conveyor are each provided with a first synchronous pulley on one of the conveying rollers inside the light shield, and a first synchronous belt is provided between the two first synchronous pulleys.

[0014] Preferably, the dewatering assembly includes a second telescopic rod fixed to the top wall inside the light shield, a guide plate disposed on the lower side of the second telescopic rod, winding rods disposed at both ends of the guide plate, and a water-absorbing cloth disposed between the two winding rods. The side of the guide plate near the front end of the belt conveyor is configured as a second inclined surface, and a winding motor for driving the winding rods to rotate is disposed inside the guide plate.

[0015] Preferably, both ends of the guide plate are fixedly provided with support plates, and a crank shaft is rotatably connected to the support plate. A second synchronous pulley is provided on both the crank shaft and the winding rod. A second synchronous belt is provided between the two second synchronous pulleys. A swing rod is movably connected to the crank shaft. A lifting rod is movably connected to the end of the swing rod away from the crank shaft. A plurality of elastic telescopic rods are provided on the lifting rod. A pressure rod is provided at the bottom of each elastic telescopic rod that moves against the top of the absorbent cloth.

[0016] Preferably, an elastic telescopic plate is fixedly provided on the guide plate, and a tensioning rod that moves against the bottom of the absorbent cloth is movably connected to the elastic telescopic plate. U-shaped plates are fixedly provided at both ends of the guide plate, and electric push rods are provided at both ends of the U-shaped plates. An arc-shaped pressure plate is provided at the end of each electric push rod away from the U-shaped plate. The winding rod is placed between the two arc-shaped pressure plates of the same U-shaped plate, and filter holes are provided on the lower arc-shaped pressure plate.

[0017] Preferably, the flushing mechanism includes a mounting bracket fixed on the frame, a drain pipe mounted on the mounting bracket, nozzles equidistantly and inclinedly mounted on the drain pipe, and a water guide pipe connected to the drain pipe, wherein the end of the water guide pipe away from the drain pipe is connected to a water supply device.

[0018] This invention also discloses a non-destructive rating and testing method for beef carcasses using multispectral infrared imaging. The method involves using a multispectral infrared imaging non-destructive rating and testing device for beef carcasses and includes the following steps:

[0019] S1: Place the beef carcass to be tested on the conveyor belt, start the conveyor belt and water supply equipment, and the beef carcass moves with the conveyor belt to the testing area inside the light shield. During this process, the nozzles of the water flushing mechanism spray water at an inclined angle to wash away the meat scraps and impurities on the surface of the beef carcass.

[0020] S2: After the beef carcass enters the light shield, it will first be squeezed against the second inclined surface of the guide plate. The guide plate moves upward under force, the second telescopic rod retracts, and the winding motor drives the winding rod to rotate. One winding rod releases the absorbent cloth, and the other winding rod winds up the absorbent cloth, causing the absorbent cloth to dynamically absorb the water droplets remaining on the beef carcass. The tension rod keeps the absorbent cloth tension constant through the elastic telescopic plate.

[0021] S3: When the winding rod rotates, it drives the crankshaft to rotate through the second synchronous pulley and the second synchronous belt. When the crankshaft rotates, it drives the lifting rod to move up and down repeatedly through the swing rod. When the lifting rod moves, it drives the elastic telescopic rod and the pressure rod to move up and down, so that the pressure rod presses down on the absorbent cloth. The absorbent cloth can come into close contact with the surface of the beef cattle, so that the absorbent cloth can fully absorb the moisture from the surface of the beef cattle.

[0022] S4: After the water droplets are removed, the beef carcass moves to the guide frame. The first inclined surface of the guide frame moves upward under force, so that the detection integration on the guide frame automatically adjusts its height to adapt to the height difference on the surface of the beef carcass. The incident light source shines on the carcass after being split by the filter. The diffuse reflection fiber collects the reflection spectrum signal, and the spectrometer collects data at a frequency of 10 times per second.

[0023] S5: When the belt conveyor is working, one of the conveyor rollers drives the reciprocating screw to rotate through the first synchronous pulley and the first synchronous belt. The sleeve drives the guide frame to move back and forth along the axis of the reciprocating screw through the first telescopic rod, so that the detection unit can detect different positions of the same beef carcass. After detection, the beef carcass is removed from the outlet of the light shield and enters the next processing step.

[0024] Compared with existing technologies, this invention provides a non-destructive rating and testing device and method for beef carcasses using multispectral infrared imaging, which has the following beneficial effects:

[0025] 1. The non-destructive rating and testing equipment and method for beef carcasses using multispectral infrared imaging achieves adaptive adjustment of the integrated testing height through the design of the first inclined surface of the guide frame, which tracks the carcass surface in real time. Furthermore, the reciprocating screw of the displacement component is mechanically linked with the conveying roller through the first synchronous wheel, enabling testing at multiple positions on the same carcass. This solves the optical path error caused by differences in carcass morphology, avoids excessive spectral signal attenuation error, and ensures the accuracy of the testing results.

[0026] 2. The non-destructive rating and testing equipment and method for beef carcasses using multispectral infrared imaging involves spraying high-pressure water at a 30° angle through the nozzle of the flushing mechanism to remove meat scraps. The absorbent cloth of the dewatering component is dynamically pressed against the carcass surface by a pressure bar, which improves the water absorption rate of the absorbent cloth and avoids abnormal fluctuations in spectral reflectance caused by residual meat scraps and moisture, thereby further improving the accuracy of the test results.

[0027] 3. The non-destructive rating and testing equipment and method for beef carcasses using multispectral infrared imaging improves the anti-interference capability of the testing equipment through a two-stage pretreatment of rinsing and absorbing water and control of the light-shielding environment.

[0028] 4. The non-destructive rating and testing equipment and method for beef carcasses using multispectral infrared imaging reduces drive power consumption and improves the continuity and efficiency of beef carcass testing by using synchronous belt drive and self-circulating water absorption cloth. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of the present invention;

[0030] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0031] Figure 3 This is a cross-sectional structural diagram of the light shield of the present invention;

[0032] Figure 4 For the present invention Figure 3 Enlarged structural diagram of section A in the middle;

[0033] Figure 5 This is a schematic diagram of the displacement component of the present invention;

[0034] Figure 6 This is a schematic diagram of the water removal component of the present invention;

[0035] Figure 7 For the present invention Figure 6 Enlarged structural diagram of section B;

[0036] Figure 8 This is a schematic diagram of the structure at both ends of the absorbent cloth of the present invention;

[0037] Figure 9 This is a schematic diagram of the external structure of the U-shaped plate of the present invention.

[0038] In the diagram: 1. Frame; 2. Belt conveyor; 201. Conveyor roller; 202. Conveyor belt; 3. Sunshade; 301. Sunshade curtain; 4. Spectrometer; 5. Integrated detection unit; 6. Reciprocating screw; 601. Sleeve; 6011. Auxiliary block; 602. First telescopic rod; 603. Guide frame; 6031. Side surface; 7. First synchronous pulley; 8. Second telescopic rod; 9. Guide plate; 901. Winding rod; 902. Absorbent cloth; 10. Support plate; 11. Crankshaft; 12. Second synchronous pulley; 13. Swing rod; 14. Lifting rod; 141. Elastic telescopic rod; 142. Pressure rod; 15. Elastic telescopic plate; 151. Tensioning rod; 16. Mounting frame; 161. Drain pipe; 162. Nozzle; 163. Water guide pipe; 17. U-shaped plate; 171. Electric push rod; 172. Arc-shaped pressure plate. Detailed Implementation

[0039] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0040] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for 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 the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0042] like Figures 1 to 3As shown, this embodiment proposes a non-destructive grading and testing device for beef carcasses using multispectral infrared imaging, including a frame 1, and further including: a belt conveyor 2 for conveying beef carcasses, a flushing mechanism for rinsing off meat scraps from the surface of the beef carcasses, and a light shield 3. The belt conveyor 2 is mounted on the frame 1, the flushing mechanism is mounted on the frame 1 and positioned at the front end of the belt conveyor 2, and the light shield 3 is fixed on the frame 1. Openings are provided on both the front and rear sides of the light shield 3, and light shielding curtains 301 are provided at the openings. The light shield 3 contains an infrared detection component for detecting the quality of the beef carcasses, a displacement component for driving the infrared detection component to move, and a water removal component for removing residual water droplets after the flushing mechanism rinses the beef carcasses. The water removal component is positioned at the front end of the infrared detection component.

[0043] The beef carcass to be tested is placed on the belt conveyor 2. The carcass moves with the belt conveyor 2 into the testing area inside the light shield 3. During this process, the water jet from the rinsing mechanism sprays water at an inclined angle to wash away the meat scraps and impurities on the surface of the beef carcass. The washed-off meat scraps and impurities fall from the front end of the belt conveyor 2. After entering the light shield 3, the beef carcass passes through the dewatering component and the infrared detection component in sequence. The light shield 3 blocks the ambient light from the outside, the dewatering component removes the moisture from the surface of the beef carcass, and then the infrared detection component detects the clean surface of the beef carcass. The infrared detection component can adapt to the surface height differences of carcasses of different sizes, solves the optical path error caused by differences in carcass shape, avoids excessive spectral signal attenuation error, and ensures the accuracy of the test results.

[0044] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, the belt conveyor 2 further includes a plurality of conveying rollers 201 rotatably connected to the frame 1, a conveyor belt 202 slidably connected to the plurality of conveying rollers 201, and a conveyor motor connected to the frame 1 and used to drive one of the conveying rollers 201 to rotate. The belt conveyor 2 is the prior art. When the belt conveyor 2 is started, the conveyor motor is controlled to run, so that the conveyor motor drives one of the conveying rollers 201 to rotate, and the remaining conveying rollers 201 cooperate with the conveyor belt 202 to rotate together, so that the conveyor belt 202 conveys and detects the beef carcass.

[0045] like Figure 1 , Figure 2 , Figure 3 and Figure 7As shown, in a preferred embodiment, based on the above method, the infrared detection component further includes a spectrometer 4 fixed on the top of the light shield 3 and a detection integration 5 connected to the spectrometer 4 via wires. The detection integration 5 includes an incident light source, a diffuse reflection optical fiber, and a filter. The incident light source of the detection integration 5 illuminates the body on the lower conveyor belt 202 after being split by the filter. The diffuse reflection optical fiber collects the reflected spectral signal, and the spectrometer 4 collects data at a frequency of 10 times per second. The spectrometer 4 and the detection integration 5 adopt existing conventional multispectral infrared imaging detection components.

[0046] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in a preferred embodiment, based on the above method, the displacement component further includes a reciprocating screw 6 rotatably connected in the light shield 3, a sleeve 601 threadedly connected to the reciprocating screw 6, a first telescopic rod 602 connected to the sleeve 601, and a guide frame 603 disposed on the lower side of the first telescopic rod 602. The two sides of the guide frame 603 near the front end of the belt conveyor 2 are both set as first inclined surfaces, and the detection integration 5 is disposed on the upper side of the guide frame 603.

[0047] The beef carcass moves along the conveyor belt 202 into the detection area inside the light shield 3. As the carcass moves to the guide frame 603, the first inclined surface of the guide frame 603 is forced upwards, causing the detection integration 5 on the guide frame 603 to automatically adjust its height to accommodate differences in the surface height of the beef carcass. This solves the optical path error caused by differences in carcass shape, avoids excessive spectral signal attenuation error, and ensures the accuracy of the detection results. Furthermore, when the displacement component is working, the reciprocating screw 6 rotates, and the sleeve 601 drives the guide frame 603 to reciprocate along the axial direction of the reciprocating screw 6 via the first telescopic rod 602. A sliding joint is movably mounted on the reciprocating screw 6 that slides against the top of the light shield 3. The connected auxiliary block 6011 is used to restrict the movement direction of the sleeve 601 while improving the stability of the sleeve 601's support for the guide frame 603, enabling the detection integration 5 to detect different positions of the same beef carcass, further improving the accuracy of the carcass detection results. The side surface 6031 of the guide frame 603 on the first inclined surface should be set as an arc surface or inclined surface to reduce the resistance between it and the beef carcass when it moves axially along the reciprocating screw 6. The reciprocating screw 6 has two reciprocating threads, and there are two sleeves 601, each sleeve 601 engaging with one of the reciprocating threads, making the movement of the guide frame 603 smoother. The auxiliary block 6011 is fixed to one of the sleeves 601.

[0048] It should be noted that, in order to reduce drive power consumption and drive cost, the reciprocating screw 6 and the belt conveyor 2 are both equipped with a first synchronous pulley 7 on one of the conveying rollers 201 inside the light shield 3. A first synchronous belt is provided between the two first synchronous pulleys 7. When the conveying roller 201 rotates, it drives the reciprocating screw 6 to rotate through the first synchronous pulley 7 and the first synchronous belt, so that the displacement component can move.

[0049] like Figure 2 , Figure 3 , Figure 6 and Figure 8 As shown, in a preferred embodiment, based on the above method, the water removal assembly further includes a second telescopic rod 8 fixed to the top wall inside the light shield 3, a guide plate 9 disposed on the lower side of the second telescopic rod 8, a winding rod 901 disposed at both ends of the guide plate 9, and a water-absorbing cloth 902 disposed between the two winding rods 901. The side of the guide plate 9 near the front end of the belt conveyor 2 is configured as a second inclined surface, and a winding motor for driving the winding rod 901 to rotate is disposed inside the guide plate 9.

[0050] The beef carcass moves along the conveyor belt 202 into the detection area inside the light shield 3. After entering the light shield 3, the beef carcass will first be squeezed against the second inclined surface of the guide plate 9. The guide plate 9 moves upward under force, the second telescopic rod 8 retracts, and the winding motor drives the winding rod 901 to rotate. One winding rod 901 releases the absorbent cloth 902, and the other winding rod 901 winds up the absorbent cloth 902, causing the absorbent cloth 902 to dynamically absorb the water droplets remaining on the beef carcass, ensuring the continuous water absorption performance of the absorbent cloth 902 on the surface of the beef carcass. It should be noted that the guide plate 9 is set as a V-shaped plate, and the winding rod 901 is rotatably set in the working groove opened in its bottom plate.

[0051] like Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 9 As shown, in a preferred embodiment, based on the above method, further, both ends of the guide plate 9 are fixedly provided with support plates 10, and a crank shaft 11 is rotatably connected to the support plate 10. A second synchronous wheel 12 is provided on both the crank shaft 11 and the winding rod 901. A second synchronous belt is provided between the two second synchronous wheels 12. A swing rod 13 is movably connected to the crank shaft 11. A lifting rod 14 is movably connected to the end of the swing rod 13 away from the crank shaft 11. A plurality of elastic telescopic rods 141 are provided on the lifting rod 14. A pressure rod 142 is provided at the bottom of each elastic telescopic rod 141 that movably abuts against the top of the absorbent cloth 902.

[0052] Furthermore, an elastic telescopic plate 15 is fixedly provided on the guide plate 9, and a tensioning rod 151 is movably connected to the elastic telescopic plate 15 to abut against the bottom of the absorbent cloth 902.

[0053] When the winding rod 901 rotates, it drives the crankshaft 11 to rotate via the second synchronous pulley 12 and the second synchronous belt. When the crankshaft 11 rotates, it drives the lifting rod 14 to move up and down reciprocally via the swing rod 13. When the lifting rod 14 moves, it drives the elastic telescopic rod 141 and the pressure rod 142 to move up and down, so that the pressure rod 142 presses down on the absorbent cloth 902. The absorbent cloth 902 can come into close contact with the surface of the beef, so that the absorbent cloth 902 can fully absorb the moisture on the surface of the beef, improve the water absorption rate of the absorbent cloth 902, avoid abnormal fluctuations in spectral reflectance caused by residual meat scraps and moisture, and further improve the accuracy of the test results. The tension rod 151 keeps the tension of the absorbent cloth 902 constant through the elastic telescopic plate 15.

[0054] Furthermore, both ends of the guide plate 9 are fixed with U-shaped plates 17, and both ends of the U-shaped plates 17 are provided with electric push rods 171. Each electric push rod 171 is provided with an arc-shaped pressure plate 172 at the end away from the U-shaped plate 17. The winding rod 901 is placed between the two arc-shaped pressure plates 172 of the same U-shaped plate 17. The lower arc-shaped pressure plate 172 is provided with filter holes.

[0055] After the absorbent cloth 902 is wound up, the operator controls the electric push rod 171 on the U-shaped plate 17 to move the two arc-shaped pressure plates 172 on the same U-shaped plate 17 closer together, squeezing the water out of the absorbent cloth 902 roll wound on the winding rod 901, ensuring the absorbent cloth 902's water absorption performance. Then, the winding motor is reversed to allow the absorbent cloth 902 to absorb water from the ketone body again. There is no need for manual shutdown to disassemble or replace the absorbent cloth 902 roll, reducing the workload of the operator and allowing the beef cattle ketone body testing to continue, thus improving the efficiency of beef cattle ketone body testing. It should be noted that the light shield 3 located on the side of the conveyor belt 202 should be equipped with a water collection trough or drainage hole to facilitate the treatment of the water discharged from the absorbent cloth 902.

[0056] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, the flushing mechanism further includes a mounting frame 16 fixed on the frame 1, a drain pipe 161 mounted on the mounting frame 16, nozzles 162 equidistantly and inclinedly mounted on the drain pipe 161, and a water guide pipe 163 connected to the drain pipe 161. The end of the water guide pipe 163 away from the drain pipe 161 is connected to a water supply device. The water supply device is prior art and will not be described in detail here. The water supply device inputs water into the drain pipe 161 through the water guide pipe 163. The nozzles 162 on the drain pipe 161 spray water at an inclined angle to wash away the meat scraps and impurities on the surface of the beef carcass. The washed-off meat scraps and impurities fall from the front end of the belt conveyor 2, preventing them from entering the light shield 3 with the conveyor belt 202.

[0057] This invention also discloses a non-destructive rating and testing method for beef carcasses using multispectral infrared imaging. The method involves using a multispectral infrared imaging non-destructive rating and testing device for beef carcasses and includes the following steps:

[0058] S1: Place the beef carcass to be tested on the conveyor belt 202, start the belt conveyor 2 and the water supply equipment, and the beef carcass moves with the conveyor belt 202 to the testing area inside the light shield 3. During this process, the nozzle 162 of the water flushing mechanism sprays water at an inclined angle to wash away the meat scraps and impurities on the surface of the beef carcass.

[0059] S2: After the beef carcass enters the light shield 3, it will first press against the second inclined surface of the guide plate 9. The guide plate 9 moves upward under force, the second telescopic rod 8 retracts, and the winding motor drives the winding rod 901 to rotate. One winding rod 901 releases the absorbent cloth 902, and the other winding rod 901 winds up the absorbent cloth 902, causing the absorbent cloth 902 to dynamically absorb the water droplets remaining on the beef carcass. The tension rod 151 keeps the tension of the absorbent cloth 902 constant through the elastic telescopic plate 15.

[0060] S3: When the winding rod 901 rotates, it drives the crankshaft 11 to rotate through the second synchronous pulley 12 and the second synchronous belt. When the crankshaft 11 rotates, it drives the lifting rod 14 to move up and down repeatedly through the swing rod 13. When the lifting rod 14 moves, it drives the elastic telescopic rod 141 and the pressure rod 142 to move up and down, so that the pressure rod 142 presses down on the absorbent cloth 902, and the absorbent cloth 902 can come into close contact with the surface of the beef cattle, so that the absorbent cloth 902 can fully absorb the moisture on the surface of the beef cattle.

[0061] S4: After the water droplets are removed, the beef carcass moves to the guide frame 603. The first inclined surface of the guide frame 603 is moved upward under force, so that the detection integration 5 on the guide frame 603 automatically adjusts its height to adapt to the height difference on the surface of the beef carcass. The incident light source is irradiated on the carcass after being split by the filter. The diffuse reflection fiber collects the reflection spectrum signal, and the spectrometer 4 collects data at a frequency of 10 times per second.

[0062] S5: When the belt conveyor 2 is working, one of the conveying rollers 201 drives the reciprocating screw 6 to rotate through the first synchronous pulley 7 and the first synchronous belt. The sleeve 601 drives the guide frame 603 to move back and forth along the axial direction of the reciprocating screw 6 through the first telescopic rod 602, so that the detection integration 5 can detect different positions of the same beef carcass. After detection, the beef carcass is removed from the outlet of the light shield 3 and enters the next processing step.

[0063] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A non-destructive rating and testing device for beef carcasses using multispectral infrared imaging, comprising a frame (1), characterized in that, Also includes: A belt conveyor (2) is mounted on a frame (1) and is used to transport beef carcasses. A flushing mechanism is installed on the frame (1) and placed at the front end of the belt conveyor (2) for flushing the scraps of meat on the surface of the beef carcass; A light shield (3) is fixed on the frame (1). The front and rear sides of the light shield (3) are provided with openings, and a light shielding curtain (301) is provided at the opening. The light shield (3) is provided with an infrared detection component for detecting the quality of beef carcasses, a displacement component for driving the infrared detection component to move, and a water removal component for removing residual water droplets after the flushing mechanism washes the beef carcasses. The water removal component is located at the front end of the infrared detection component. The displacement assembly includes a reciprocating screw (6) rotatably connected inside the light shield (3), a sleeve (601) threadedly connected to the reciprocating screw (6), a first telescopic rod (602) connected to the sleeve (601), and a guide frame (603) disposed on the lower side of the first telescopic rod (602). The guide frame (603) is provided with a first inclined surface on both sides near the front end of the belt conveyor (2). The detection integration (5) is disposed on the upper side of the guide frame (603). The reciprocating screw (6) and the belt conveyor (2) are both equipped with a first synchronous pulley (7) on one of the conveying rollers (201) inside the light shield (3), and a first synchronous belt is provided between the two first synchronous pulleys (7); The dewatering assembly includes a second telescopic rod (8) fixed to the top wall inside the light shield (3), a guide plate (9) set on the lower side of the second telescopic rod (8), a winding rod (901) set at both ends of the guide plate (9), and a water-absorbing cloth (902) set between the two winding rods (901). The side of the guide plate (9) near the front end of the belt conveyor (2) is set as a second inclined surface. A winding motor for driving the winding rod (901) to rotate is provided inside the guide plate (9). Both ends of the guide plate (9) are fixed with support plates (10). A crank shaft (11) is rotatably connected to the support plate (10). A second synchronous pulley (12) is provided on both the crank shaft (11) and the winding rod (901). A second synchronous belt is provided between the two second synchronous pulleys (12). A swing rod (13) is movably connected to the crank shaft (11). A lifting rod (14) is movably connected to the end of the swing rod (13) away from the crank shaft (11). A plurality of elastic telescopic rods (141) are provided on the lifting rod (14). A pressure rod (142) is provided at the bottom of each elastic telescopic rod (141) that movably abuts against the top of the absorbent cloth (902). An elastic telescopic plate (15) is fixedly provided on the guide plate (9). A tensioning rod (151) that moves against the bottom of the absorbent cloth (902) is movably connected to the elastic telescopic plate (15). A U-shaped plate (17) is fixedly provided at both ends of the guide plate (9). An electric push rod (171) is provided at both ends of the U-shaped plate (17). An arc-shaped pressure plate (172) is provided at the end of each electric push rod (171) away from the U-shaped plate (17). The winding rod (901) is placed between the two arc-shaped pressure plates (172) of the same U-shaped plate (17). Filter holes are opened on the lower arc-shaped pressure plate (172).

2. The non-destructive rating and testing equipment for beef carcasses using multispectral infrared imaging according to claim 1, characterized in that, The belt conveyor (2) includes a plurality of conveyor rollers (201) rotatably connected to the frame (1), a conveyor belt (202) slidably connected to the plurality of conveyor rollers (201), and a conveyor motor connected to the frame (1) and used to drive one of the conveyor rollers (201) to rotate.

3. The non-destructive rating and testing equipment for beef carcasses using multispectral infrared imaging according to claim 2, characterized in that, The infrared detection assembly includes a spectrometer (4) fixed on top of the light shield (3) and a detection integration (5) connected to the spectrometer (4) via wires. The detection integration (5) includes an incident light source, a diffuse reflection optical fiber, and a filter.

4. The non-destructive rating and testing equipment for beef carcasses using multispectral infrared imaging according to claim 3, characterized in that, The flushing mechanism includes a mounting bracket (16) fixed on the frame (1), a drain pipe (161) set on the mounting bracket (16), a nozzle (162) set at equal intervals and inclined on the drain pipe (161), and a water guide pipe (163) connected to the drain pipe (161). The end of the water guide pipe (163) away from the drain pipe (161) is connected to a water supply device.

5. A non-destructive rating and testing method for beef carcasses using multispectral infrared imaging, wherein the testing is performed using the multispectral infrared imaging non-destructive rating and testing equipment for beef carcasses as described in claim 4, characterized in that... It also includes the following steps: S1: Place the beef carcass to be tested on the conveyor belt (202), start the belt conveyor (2) and water supply equipment, and the beef carcass moves with the conveyor belt (202) to the testing area inside the light shield (3). During this process, the nozzle (162) of the water flushing mechanism sprays water at an inclined angle to flush away the meat scraps and impurities on the surface of the beef carcass. S2: After the beef carcass enters the light shield (3), it will first press against the second inclined surface of the guide plate (9). The guide plate (9) moves upward under force, the second telescopic rod (8) retracts, and the winding motor drives the winding rod (901) to rotate. One winding rod (901) releases the absorbent cloth (902), and the other winding rod (901) winds up the absorbent cloth (902), which drives the absorbent cloth (902) to dynamically absorb the water droplets remaining on the beef carcass. The tension rod (151) keeps the tension of the absorbent cloth (902) constant through the elastic telescopic plate (15). S3: When the winding rod (901) rotates, it drives the crankshaft (11) to rotate through the second synchronous pulley (12) and the second synchronous belt. When the crankshaft (11) rotates, it drives the lifting rod (14) to move up and down through the swing rod (13). When the lifting rod (14) moves, it drives the elastic telescopic rod (141) and the pressure rod (142) to move up and down, so that the pressure rod (142) presses down on the absorbent cloth (902). The absorbent cloth (902) can come into close contact with the surface of the beef cattle, so that the absorbent cloth (902) can fully absorb the moisture on the surface of the beef cattle. S4: After the water droplets are removed, the beef carcass moves to the guide frame (603). The first inclined surface of the guide frame (603) is lifted by force, so that the detection integration (5) on the guide frame (603) automatically adjusts its height to adapt to the height difference of the beef carcass surface. The incident light source is irradiated after being split by the filter. The diffuse reflection fiber collects the reflection spectrum signal, and the spectrometer (4) collects data at a frequency of 10 times per second. S5: When the belt conveyor (2) is working, one of the conveying rollers (201) drives the reciprocating screw (6) to rotate through the first synchronous pulley (7) and the first synchronous belt. The sleeve (601) drives the guide frame (603) to move back and forth along the axial direction of the reciprocating screw (6) through the first telescopic rod (602), so that the detection integration (5) can detect different positions of the same beef carcass. After detection, the beef carcass is removed from the outlet of the light shield (3) and enters the next processing step.

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