CN113533242A - Multi-position meat multi-quality near infrared spectrum intelligent detection device - Google Patents
Multi-position meat multi-quality near infrared spectrum intelligent detection device Download PDFInfo
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- CN113533242A CN113533242A CN202110786394.8A CN202110786394A CN113533242A CN 113533242 A CN113533242 A CN 113533242A CN 202110786394 A CN202110786394 A CN 202110786394A CN 113533242 A CN113533242 A CN 113533242A
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- 238000001514 detection method Methods 0.000 title claims abstract description 83
- 235000013372 meat Nutrition 0.000 title claims abstract description 56
- 238000002329 infrared spectrum Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000004497 NIR spectroscopy Methods 0.000 claims 4
- 230000033001 locomotion Effects 0.000 description 11
- 235000013622 meat product Nutrition 0.000 description 9
- 230000003595 spectral effect Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
The invention discloses a multi-position meat multi-quality near infrared spectrum intelligent detection device, which comprises: the near-infrared spectrometer is arranged above the conveying belt of the meat to be detected, and a detection probe of the near-infrared spectrometer is arranged downwards; the distance measuring instrument is arranged at the upstream position of the detection probe in the transmission direction of the conveyor belt and is positioned above the conveyor belt; the baffle mechanism is arranged at the downstream position of the detection probe in the transmission direction of the conveyor belt and comprises a baffle and a driving mechanism for driving the baffle to lift; and the controller is in communication connection with the near-infrared spectrometer, the range finder and the driving mechanism, wherein when the range finder detects that the meat to be detected is located in a distance range, the controller controls the driving mechanism to drive the baffle to move downwards so as to prevent the meat to be detected from being continuously conveyed, and the controller controls the near-infrared spectrometer to start detection. The invention has the advantages of automating detection, unifying detection distance and realizing nondestructive online detection.
Description
Technical Field
The invention relates to the technical field of nondestructive detection of meat. More specifically, the invention relates to a multi-position meat multi-quality near infrared spectrum intelligent detection device.
Background
The meat at the different positions of same carcass has different edible quality, consequently, if will carry out the quality to the carcass meat and detect, need adopt near-infrared spectrum appearance to detect respectively the meat at different positions in the carcass, among the prior art, can only artifically remove the test probe of near-infrared spectrum appearance to detect respectively to detect the part, and need unify detection distance as far as possible in the testing process, the testing part, control check-out time otherwise causes the testing result inaccurate easily.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide an intelligent near infrared spectrum detection device for multi-site meat multi-quality, which can automate the detection, unify the detection distance, and realize the nondestructive online detection.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a multi-site meat multi-quality near infrared spectrum intelligent detection apparatus, comprising:
the near-infrared spectrometer is arranged above the conveying belt of the meat to be detected, and a detection probe of the near-infrared spectrometer is arranged downwards;
the distance measuring instrument is arranged at the position of the upstream of the detection probe in the transmission direction of the conveyor belt and is positioned above the conveyor belt;
the baffle mechanism is arranged at the downstream position of the detection probe in the transmission direction of the conveyor belt and comprises a baffle and a driving mechanism for driving the baffle to lift;
and the controller is in communication connection with the near-infrared spectrometer, the range finder and the driving mechanism, wherein when the range finder detects that the meat to be detected is located in a distance range, the controller controls the driving mechanism to drive the baffle to move downwards so as to prevent the meat to be detected from being continuously conveyed, and the controller controls the near-infrared spectrometer to start detection.
Preferably, the device further comprises a rotating mechanism, which comprises:
a rotating motor disposed above the conveyor belt, and an output shaft of the rotating motor being disposed downward;
the transmission shaft is fixedly connected with an output shaft of the rotating motor, two sections of threads are arranged on the lower part of the transmission shaft at intervals, and fastening rings are respectively in threaded connection with the two sections of threads;
the transmission shaft is provided with a first rotating plate and a second rotating plate, plate holes are coaxially arranged on the first rotating plate and the second rotating plate, the first rotating plate and the second rotating plate are sequentially sleeved on the transmission shaft from top to bottom and are fixedly arranged between the two fastening rings, a plurality of first grooves are arranged on the lower end face of the first rotating plate at intervals, the first grooves are cylindrical, second grooves which correspond to the first grooves one by one are formed in the upper end face of the second rotating plate, springs and round balls which are arranged above the springs are arranged in the second grooves, the diameter of each round ball is slightly smaller than that of each second groove, and the upper ends of the round balls are abutted against the bottoms of the first grooves;
the detection probe is arranged on the second rotating plate.
Preferably, a rubber layer is laid at the bottom of the first groove.
Preferably, the locking mechanism further comprises:
the positioning hole is formed in the second rotating plate, the detection probe penetrates through the positioning hole, and an annular sucking disc is sleeved on the periphery of the detection probe;
the annular groove is formed in the upper end face of the second rotating plate and is coaxial with the positioning hole, an annular cover plate is arranged at the top of the annular groove, a silica gel layer is arranged on the annular cover plate, a plurality of vent holes are formed in the annular cover plate and the silica gel layer, and the annular sucker is lapped on the silica gel layer;
and the air suction end of the miniature negative pressure pump is communicated with a plurality of air suction branch pipes, and the end parts of the plurality of air suction branch pipes penetrate into the annular groove and are respectively communicated with the plurality of air vents in a one-to-one correspondence manner.
Preferably, the length of the baffle is not less than the width of the conveyor belt.
Preferably, the baffle has an arc shape protruding towards the downstream direction of the conveyor belt, and a plurality of anti-slip protrusions are arranged on the surface of the baffle facing the upstream direction of the conveyor belt at intervals.
Preferably, the rangefinder is a laser rangefinder.
The invention at least comprises the following beneficial effects:
first, in the transfer path of meat, add near-infrared spectrum appearance, and supplementary set up the position and detect and pin the meat position temporarily, detect the positional information who waits to detect the meat in the upstream position, and send to the controller, the controller adopts the singlechip to realize usually, the controller is the starting of control actuating mechanism again, thereby make baffle downstream to predetermineeing the position, with the meat of interception from the upstream conveying, make the meat stop in the position department of baffle, at this moment, near-infrared spectrum appearance starts the detection, gather the spectrum of this meat promptly, and obtain the meat testing result through the analysis model that corresponds, realize harmless on-line measuring, as long as the meat of following the transport belt and carrying, all can accurate reliable obtain the detection, realize the while of multi-part meat and detect, detection efficiency is high.
Secondly, when the surface area of the meat is large, if the detection data of only one position is collected for analysis, the result randomness is easily overlarge, and therefore, the detection data of a plurality of positions on the same meat can be collected for comprehensive analysis, so that the representativeness of the detection result is improved. According to the invention, the rotating mechanism is arranged, namely, the rotating motor is started to drive the transmission shaft to rotate to different positions, so that the first rotating plate and the second rotating plate are driven to rotate, the detection probes fixed on the second rotating plate are driven to be respectively positioned at different quadrant positions, the spectrum information on different quadrant positions on the meat is collected, a spectrum data basis is provided for comprehensive analysis, and the detection accuracy is improved.
Thirdly, as the spectral information analysis is a precise instrument, any jitter or position deviation easily causes unnecessary data deviation, in order to avoid data deviation caused by rotation motion, a fastening ring is arranged to clamp and fix the first rotating plate and the second rotating plate, a first groove is arranged on the first rotating plate, a second groove is arranged on the second rotating plate, and a spring and a ball are arranged in a cylindrical space formed by the first groove and the second groove to alleviate slight jitter caused by rotation motion, so that a lens is more stable when the detection probe collects the spectral information, thereby reducing the collection error.
Fourthly, set up locking mechanism also is for reducing detection error, because when examining same meat different parts, its measuring distance also causes the microwave error easily, and locking mechanism can fix a position and lock dead with test probe to reduce the centrifugal displacement that rotary motion brought for test probe, thereby improve the accuracy of gathering spectral information.
And fifthly, when the conveyor belt is not stopped, the meat can easily slide out from two sides of the baffle and fall on the ground, the arc-shaped baffle forms a hugging state, the phenomenon can be prevented, the static friction force between the meat and the baffle can be increased by the aid of the anti-skid protrusions, and the position movement of the meat in the detection process is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic front structural diagram of the detection device according to one embodiment of the present invention;
FIG. 2 is a schematic side view of the baffle mechanism according to one embodiment of the present invention;
fig. 3 is a schematic longitudinal sectional detachment diagram of the rotating mechanism according to one embodiment of the present invention;
FIG. 4 is a detail view of the locking mechanism of one of the embodiments of the present invention;
FIG. 5 is a schematic cross-sectional view of the pilot hole of one embodiment of the present invention;
FIG. 6 is a top view of the pilot hole of one embodiment of the present invention;
fig. 7 is a schematic side view of the lifting mechanism according to one embodiment of the present invention;
fig. 8 is a side view of the worm and the first gear according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 8, the present invention provides an intelligent detection device for multi-position meat multi-quality near infrared spectrum, comprising:
the detection device comprises a near-infrared spectrometer 1, a detection unit and a control unit, wherein the near-infrared spectrometer 1 is arranged above a conveyor belt 6 of meat to be detected, and a detection probe 11 of the near-infrared spectrometer 1 is arranged downwards;
a distance meter provided at a position upstream of the detection probe 11 in a driving direction of the conveyor belt 6 and above the conveyor belt 6;
the baffle mechanism 2 is arranged at the downstream position of the detection probe 11 in the transmission direction of the conveyor belt 6, and the baffle mechanism 2 comprises a baffle 21 and a driving mechanism 22 for driving the baffle 21 to lift;
and the controller is in communication connection with the near-infrared spectrometer 1, the range finder and the driving mechanism 22, wherein when the range finder detects that the meat to be detected is located in a distance range, the controller controls the driving mechanism 22 to drive the baffle 21 to move downwards so as to prevent the meat to be detected from being conveyed continuously, and the controller controls the near-infrared spectrometer 1 to start detection.
In the above technical solution, the near-infrared spectrometer 1 is additionally arranged in the conveying path of the meat product 7, and assists in setting position detection and temporarily locking the position of the meat product 7, for example, by using a distance meter, the position information of the meat product 7 to be detected is detected at an upstream position and sent to a controller, the controller usually uses a single chip microcomputer to realize the detection, and then the controller controls the driving mechanism 22 to start, so that the baffle 21 moves downwards to a preset position to intercept the meat product 7 conveyed from the upstream position, so that the meat product 7 stays at the position of the baffle 21, at this time, the near-infrared spectrometer 1 starts the detection, that is, the spectrum of the meat product 7 is collected, and the detection result of the meat product 7 is obtained through a corresponding analysis model, so as to realize the nondestructive online detection, as long as the meat product 7 conveyed on the conveying belt 6 can be accurately and reliably detected, and the simultaneous detection of multiple meat products 7 is realized, the detection efficiency is high.
The driving mechanism 22 is generally combined by a motor driver, a stepping motor, and a slot sliding structure, the motor driver receives a signal from the controller, starts a rotation direction, a rotation speed, a rotation time, and the like of the stepping motor, the stepping motor outputs a linear motion through a structure of rotating to linear motion, and then a sliding part in the slot sliding structure slides up and down, thereby driving the baffle 21 to lift.
In another technical solution, the device further comprises a rotating mechanism 3, which includes:
a rotating motor 31 provided above the conveyor belt 6, and an output shaft of the rotating motor 31 being provided downward;
a transmission shaft 32 fixedly connected with an output shaft of the rotating motor 31, wherein two sections of threads 33 are arranged on the lower part of the transmission shaft 32 at intervals, and fastening rings 34 are respectively connected on the two sections of threads 33 in a threaded manner;
the rotating shaft comprises a first rotating plate 35 and a second rotating plate 36, wherein plate holes are coaxially arranged on the first rotating plate 35 and the second rotating plate 36, the first rotating plate 35 and the second rotating plate 36 are sequentially sleeved on the transmission shaft 32 up and down and are positioned between two fastening rings 34 and fastened, a plurality of first grooves 37 are arranged on the lower end surface of the first rotating plate 35 at intervals, the first grooves 37 are cylindrical, second grooves 38 corresponding to the first grooves 37 one to one are formed in the upper end surface of the second rotating plate 36, springs 39 and round balls 30 positioned above the springs 39 are arranged in the second grooves 38, the diameter of the round balls 30 is slightly smaller than that of the second grooves 38, and the upper ends of the round balls 30 are abutted against the bottoms of the first grooves 37;
the detection probe 11 is disposed on the second rotating plate 36.
When the surface area of the meat 7 is large, if the detection data at one position is collected for analysis, the result randomness is easily too large, and therefore, the representativeness of the detection result can be improved by collecting the detection data at a plurality of positions on the same meat 7 for comprehensive analysis. In the above technical scheme, by setting the rotating mechanism 3, the rotating motor 31 is started to drive the transmission shaft 32 to rotate to different positions, so as to drive the first rotating plate 35 and the second rotating plate 36 to rotate, thereby driving the detecting probes 11 fixed on the second rotating plate 36 to be located at different quadrant positions respectively, collecting spectral information on different quadrant positions on the meat 7, providing a spectral data base for comprehensive analysis, and improving the detection accuracy.
Since the spectral information analysis is a precision instrument, any jitter or position deviation is easy to cause unnecessary data deviation, in order to avoid data deviation caused by rotational movement, a fastening ring 34 is arranged to clamp and fix the first rotating plate 35 and the second rotating plate 36, a first groove 37 is arranged on the first rotating plate 35, a second groove 38 is arranged on the second rotating plate 36, and a spring 39 and a round ball 30 are arranged in a cylindrical space formed by the first groove 37 and the second groove 38 to alleviate slight jitter caused by rotational movement, so that a lens is more stable when the detection probe 11 collects spectral information, thereby reducing collection errors.
In another technical scheme, a rubber layer is laid at the bottom of the first groove 37. The rubber layer can improve the buffering performance and alleviate slight shaking caused by rotary motion.
In another technical solution, the locking device further includes a locking mechanism 4, which includes:
a positioning hole 41 opened in the second rotating plate 36, the detection probe 11 passing through the positioning hole 41, and an annular suction cup 42 fitted around the detection probe 11;
an annular groove 43 which is opened on the upper end surface of the second rotating plate 36 and is coaxially arranged with the positioning hole 41, an annular cover plate is arranged at the top of the annular groove 43, a silica gel layer 44 is arranged on the annular cover plate, a plurality of vent holes 45 are arranged on the annular cover plate and the silica gel layer 44, and the annular sucker 42 is lapped on the silica gel layer 44;
and the air suction end of the miniature negative pressure pump 46 is communicated with a plurality of air suction branch pipes 47, and the end parts of the plurality of air suction branch pipes 47 penetrate into the annular groove 43 and are respectively communicated with the plurality of vent holes 45 in a one-to-one correspondence manner.
In the above technical scheme, the locking mechanism 4 is also arranged to reduce detection errors, because when different parts of the same meat 7 are detected, the detection distance easily causes microwave errors, and the locking mechanism 4 can position and lock the detection probe 11, so that the centrifugal displacement brought to the detection probe 11 by the rotation motion is reduced, and the accuracy of collecting spectral information is improved.
In another solution, the length of the baffle 21 is not less than the width of the conveyor belt 6. The meat items 7 differ in size and, in order to accommodate all meat items 7 that can be transported on the conveyor belt 6, the length of the baffle 21 is set to a corresponding length, so that all meat items 7 can be intercepted.
In another technical scheme, the baffle 21 has an arc shape protruding towards the downstream direction of the conveyor belt 6, and a plurality of anti-slip protrusions are arranged on the surface of the baffle 21 facing the upstream direction of the conveyor belt 6 at intervals. The straight plate-shaped baffle 21 can easily slide out from the two sides of the baffle 21 when the conveyor belt 6 is not stopped, and the meat 7 falls on the ground, the arc-shaped baffle 21 forms a hugging state, so that the phenomenon can be prevented, the anti-skid protrusions can increase the static friction force between the meat 7 and the baffle 21, and the position movement of the meat 7 in the detection process is reduced.
In another technical scheme, the distance measuring instrument is a laser distance measuring instrument. The laser range finder is one of the most commonly used range finders at present, and has the advantages of range preparation, sensitive response and proper price.
The technical scheme can also comprise the following technical details so as to better realize the technical effects:
for the suitability of this detection device of extension, this detection device still includes elevating system, and it includes:
the support 5 is arranged on two sides of the conveyor belt 6 in a spanning mode, and a support 51 is arranged at the bottom of the support 5;
a pair of lead screws 52, the lower ends of the pair of lead screws 52 are respectively connected to the two supports 51 in a rotating manner;
the two sides of the supporting plate 53 are fixed on the moving ends of the pair of screw rods 52, and the near-infrared spectrometer 1, the rotating motor 31, the distance meter, the driving mechanism 22 and the controller are all arranged on the supporting plate 53;
a support housing 54, which is L-shaped, wherein the lower end of the support housing 54 is fixed on one of the supports 51, the upper end of the support housing is covered on the upper end portions of the pair of lead screws 52, and the upper end of the support housing 54 is located above the near-infrared spectrometer 1;
the lifting motor 55 is fixed in the supporting shell 54, an output shaft of the lifting motor 55 is horizontally arranged and faces the lead screws 52, a worm 56 is coaxially arranged on the output shaft of the lifting motor 55, a first gear 57 is meshed on the worm 56, and the first gear 57 is fixedly sleeved on one of the lead screws 52;
a pair of second gears 58, the pair of second gears 58 are respectively sleeved and fixed on the pair of screw rods, and the pair of second gears 58 are connected through a chain 59;
wherein the worm 56, the first gear 57, and the second gear 58 are all located within the support housing 54.
In the above technical solution, start elevator motor 55, can drive worm 56 and rotate along vertical direction, thereby drive first gear 57 and rotate along the horizontal direction, thereby drive one of them lead screw 52 and rotate, thereby drive and rotate with first gear 57 at the second gear 58 on same lead screw 52, thereby drive another second gear 58 through chain 59 and rotate, thereby drive another lead screw 52 and rotate, finally make the removal end of two lead screws 52 upwards or move down, thereby adjust the height position of near-infrared spectrometer 1, adjust the height position of test probe 11, adjust the detection distance, look for the best detection distance for meat 7 detects, promote meat 7 and detect the precision. The device can also be suitable for the conveyor belts 6 with different heights, and the application range of the detection device is expanded. While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. Multi-position meat multi-quality near infrared spectrum intelligent detection device is characterized by comprising:
the near-infrared spectrometer is arranged above the conveying belt of the meat to be detected, and a detection probe of the near-infrared spectrometer is arranged downwards;
the distance measuring instrument is arranged at the position of the upstream of the detection probe in the transmission direction of the conveyor belt and is positioned above the conveyor belt;
the baffle mechanism is arranged at the downstream position of the detection probe in the transmission direction of the conveyor belt and comprises a baffle and a driving mechanism for driving the baffle to lift;
and the controller is in communication connection with the near-infrared spectrometer, the range finder and the driving mechanism, wherein when the range finder detects that the meat to be detected is located in a distance range, the controller controls the driving mechanism to drive the baffle to move downwards so as to prevent the meat to be detected from being continuously conveyed, and the controller controls the near-infrared spectrometer to start detection.
2. The intelligent detection device of multi-site meat multi-quality near infrared spectroscopy of claim 1 further comprising a rotation mechanism comprising:
a rotating motor disposed above the conveyor belt, and an output shaft of the rotating motor being disposed downward;
the transmission shaft is fixedly connected with an output shaft of the rotating motor, two sections of threads are arranged on the lower part of the transmission shaft at intervals, and fastening rings are respectively in threaded connection with the two sections of threads;
the transmission shaft is provided with a first rotating plate and a second rotating plate, plate holes are coaxially arranged on the first rotating plate and the second rotating plate, the first rotating plate and the second rotating plate are sequentially sleeved on the transmission shaft from top to bottom and are fixedly arranged between the two fastening rings, a plurality of first grooves are arranged on the lower end face of the first rotating plate at intervals, the first grooves are cylindrical, second grooves which correspond to the first grooves one by one are formed in the upper end face of the second rotating plate, springs and round balls which are arranged above the springs are arranged in the second grooves, the diameter of each round ball is slightly smaller than that of each second groove, and the upper ends of the round balls are abutted against the bottoms of the first grooves;
the detection probe is arranged on the second rotating plate.
3. The multi-site meat multi-quality near infrared spectroscopy intelligent detection device of claim 2, wherein a rubber layer is laid on the bottom of the first groove.
4. The intelligent detection device of multi-site meat multi-quality near infrared spectroscopy of claim 2 further comprising a locking mechanism comprising:
the positioning hole is formed in the second rotating plate, the detection probe penetrates through the positioning hole, and an annular sucking disc is sleeved on the periphery of the detection probe;
the annular groove is formed in the upper end face of the second rotating plate and is coaxial with the positioning hole, an annular cover plate is arranged at the top of the annular groove, a silica gel layer is arranged on the annular cover plate, a plurality of vent holes are formed in the annular cover plate and the silica gel layer, and the annular sucker is lapped on the silica gel layer;
and the air suction end of the miniature negative pressure pump is communicated with a plurality of air suction branch pipes, and the end parts of the plurality of air suction branch pipes penetrate into the annular groove and are respectively communicated with the plurality of air vents in a one-to-one correspondence manner.
5. The intelligent detection device of claim 1, wherein the length of the baffle is not less than the width of the conveyor belt.
6. The intelligent detection device of claim 1, wherein the baffle has a convex arc shape facing the downstream direction of the conveyor belt, and a plurality of anti-slip protrusions are spaced on the surface of the baffle facing the upstream direction of the conveyor belt.
7. The intelligent multi-site meat multi-quality near infrared spectroscopy detection device of claim 1, wherein the rangefinder is a laser rangefinder.
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| CN202110786394.8A CN113533242B (en) | 2021-07-12 | 2021-07-12 | Multi-position meat multi-quality near infrared spectrum intelligent detection device |
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| CN202110786394.8A CN113533242B (en) | 2021-07-12 | 2021-07-12 | Multi-position meat multi-quality near infrared spectrum intelligent detection device |
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