Spectrum detection device and automatic sample separation assembly

Abstract

According to the spectrum detection device and the automatic sample separation assembly, when a particle sample falls onto a sample disc, a blade assembly is driven to move in the sample disc, and a sweeping piece can be correspondingly driven to move. When the cleaning piece moves, the particle sample can be effectively pushed to the light-transmitting part, so that spectrum detection can be performed on the particle sample through the spectrum detection mechanism. Meanwhile, the cleaning piece can effectively clean the surface of the light-transmitting part, so that sample residues are prevented from remaining on the surface of the light-transmitting part, and spectrum detection can be conveniently carried out on the next batch of particle samples falling into the sample disc. Therefore, the detection window does not need to be cleaned and maintained by shutting down and opening equipment in the prior art, so that the spectrum detection efficiency can be improved, and the cost and difficulty of daily maintenance can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of spectrum detection, and in particular to a spectrum detection device and an automatic sampling component. Background Art

[0002] Spectral detection, such as near-infrared (NIR) spectral detection technology, is a rapid detection technology developed in the past 30 years and has been widely used in research and development, production, market supervision and other fields. For spectral detection devices used in factory production workshops, quality inspection laboratories and other use environments, during the working process, particle samples including but not limited to soybeans, wheat, rice, peanuts, etc. are usually added to the sample tray, and the samples are concentrated in the detection area through push-sweeping and other methods, and then the particle samples are spectrally detected through the detection window. However, after the spectral detection process is completed, the equipment needs to be opened and the detection window needs to be manually cleaned before the spectral detection of the next batch of particle samples can be carried out, which will reduce the efficiency of spectral detection. In addition, the equipment needs to be disassembled regularly or irregularly to maintain the detection window, which greatly increases the cost and difficulty of daily maintenance. Utility Model Content

[0003] Based on this, it is necessary to overcome the defects of the prior art and provide a spectrum detection device and an automatic sampling component, which can improve the efficiency of spectrum detection and reduce the cost and difficulty of daily maintenance.

[0004] An automatic sampling component, the automatic sampling component comprising:

[0005] A sample tray, wherein a light-transmitting portion corresponding to a detection position of a spectrum detection mechanism is provided on the bottom wall of the sample tray;

[0006] a blade assembly, the blade assembly being movably disposed inside the sample tray; and

[0007] A cleaning piece is connected to the blade assembly and can be driven to move by the blade assembly. When the blade assembly drives the cleaning piece to move, the cleaning piece drives the particle sample to move to the light-transmitting portion and can clean the light-transmitting portion.

[0008] In one embodiment, the cleaning member includes a first brush member and a second brush member, the first brush member is connected to the bottom of the blade assembly, and the first brush member is provided with an elastic scraping portion that fits with the gap of the bottom wall of the sample tray; the second brush member is connected to the bottom of the blade assembly or to the bottom of the first brush member, and the second brush member includes bristles arranged along the extension direction of the elastic scraping portion, and the bristles are tightly abutted against the bottom wall of the sample tray; when the blade assembly moves, it can drive the first brush member and the second brush member to move through the light-transmitting portion.

[0009] In one embodiment, the first brush member includes an elastic brush plate, and the elastic scraping portion is disposed at the bottom of the first brush member and below the blade assembly.

[0010] In one embodiment, the blade assembly includes a coupling and a driving blade connected to the coupling; the coupling is used to be connected to a first driving mechanism, and the first brush member and the second brush member are connected to the driving blade.

[0011] In one embodiment, the number of the driving blades is at least two, and the two driving blades are arranged at an angle; and / or the driving blades are detachably arranged on the coupling.

[0012] In one of the embodiments, a discharge port is further provided on the bottom wall of the sample tray, and the blade assembly can drive the first brush member and the second brush member to move to the discharge port when the blade assembly moves.

[0013] In one embodiment, the automatic sample separation component further includes a first sensing component, which is disposed in the sample tray and is used to sense the movement position of the blade component.

[0014] A spectral detection device, comprising the automatic sampling component, and further comprising a chassis and a spectral detection mechanism; the automatic sampling component and the spectral detection mechanism are both arranged inside the chassis; the spectral detection mechanism is located below the sample tray, and the detection end of the spectral detection mechanism is arranged corresponding to the position of the light-transmitting portion; a feeding portion for inputting a particle sample into the sample tray is provided on the top of the chassis.

[0015] In one embodiment, the spectral detection device also includes a switching mechanism, which is used to control the opening or closing of the feed part; the switching mechanism includes a second driving mechanism and a material blocking member, and the second driving mechanism is used to drive the material blocking member to extend outward to close the feed part, or drive the material blocking member to retract to open the feed part.

[0016] In one embodiment, a self-inspection window is provided on the top of the chassis; the spectral detection device further includes a sampling accessory for mounting a liquid sample or a powder sample, and the sampling accessory extends into the interior of the chassis through the self-inspection window; and / or the spectral detection device further includes a detection accessory, and the detection accessory extends into the interior of the chassis through the self-inspection window.

[0017] In one embodiment, the spectral detection device also includes a silo assembly disposed inside the chassis and below the sample tray, and the blade assembly is also used to push the particle sample on the sample tray into the silo assembly; the silo assembly includes a recovery hopper, a partition and a third mounting frame disposed inside the chassis; the recovery hopper is correspondingly connected to the discharge port of the sample tray, the partition is connected to the outside of the recovery hopper and isolates the recovery hopper from the spectral detection mechanism, and the third mounting frame is respectively connected to the partition and the inner wall of the chassis.

[0018] The above-mentioned spectral detection device and automatic sampling assembly, when the particle sample falls onto the sample tray, drives the blade assembly to move inside the sample tray, which can drive the cleaning member to move accordingly. When the cleaning member moves, it can effectively push the particle sample to the light-transmitting portion, so that the particle sample can be spectrally detected by the spectral detection mechanism. At the same time, the cleaning member can also effectively clean the surface of the light-transmitting portion to prevent sample residues from remaining on the surface of the light-transmitting portion, so as to perform spectral detection on the next batch of particle samples that fall into the sample tray. Furthermore, there is no need to shut down and open the equipment to clean and maintain the detection window as in the related art, so that the efficiency of spectral detection can be improved, and the cost and difficulty of daily maintenance can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of a spectrum detection device according to an embodiment of the present application.

[0020] Figure 2 for Figure 1 Structural diagram of the sampling accessory in the structure shown when it is pulled out from the self-test window.

[0021] Figure 3 for Figure 1 Back view of the structure shown.

[0022] Figure 4 for Figure 1 The structure shown is a structural diagram without the chassis and the first feed hopper.

[0023] Figure 5 for Figure 4 A one-way structural diagram of the automatic sampling component in the structure shown.

[0024] Figure 6 for Figure 5 Another perspective structural diagram of the structure shown.

[0025] Figure 7 for Figure 5 A breakdown structure diagram of the structure shown.

[0026] Figure 8 for Figure 5Structural diagram of the blade assembly, the first brush member and the second brush member in the structure shown.

[0027] Fig. 9 for Figure 1 Block diagram of the sampling accessory in the structure shown.

[0028] Fig.10 for Fig. 9 A breakdown structure diagram of the structure shown.

[0029] Fig.11 for Figure 5 Structural diagram of the switch mechanism in the structure shown.

[0030] Fig.12 for Fig.11 A breakdown structure diagram of the structure shown.

[0031] Fig.13 for Figure 5 Structural diagram of the silo assembly in the illustrated configuration.

[0032] Fig.14 for Figure 1 Structural diagram of the detection accessory in the structure shown.

[0033] Fig.15 for Fig.14 A breakdown structure diagram of the structure shown.

[0034] 10. Automatic sample separation component; 11. Sample tray; 111. Light-transmitting part; 112. Discharging port; 12. Blade component; 121. Coupling; 122. Driving blade; 13. First brush component; 131. Elastic scraping brush component; 14. Second brush component; 15. First sensing component; 151. Photoelectric switch; 152. Light shielding component; 16. First mounting bracket; 20. Chassis; 21. Feeding part; 211. First feeding hopper; 212. Second feeding hopper; 22. Self-test window; 23. Communication interface; 24. Power supply interface 1. The second sensor assembly has the following components: 1. The first component has the following components: 2. The second component has the following components: 3. The first component has the following components: 4. The second component has the following components: 5. The first component has the following components: 6. The second component has the following components: 7. The first component has the following components: 8. The second component has the following components: 9. The second component has the following components: 10. The first component has the following components: 11. The second component has the following components: 12. The second component has the following components: 13. The second component has the following components: 14. The second component has the following components: 15. The second component has the following components: 16. The second component has the following components: 17. The second component has the following components: 18. The second component has the following components: 19. The second component has the following components: 20. The second component has the following components: 21. The second component has the following components: 22. The second component has the following components: 23. The second component has the following components: 24. The second component has the following components: 25. The power switch; 26. The cooling fan position; 27. The industrial control screen; 28. The indicator light; 30. The silo assembly; 31. The recovery hopper; 32. The partition; 33. The third mounting bracket; 40. The switch mechanism; 41. The second driving mechanism; 42. The material stopper; 43. The second mounting bracket; 44. The protective cover; 441. The avoidance opening; 45. The second sensing assembly; 50. The sampling accessory; 51. The cup body; 52. The sample pressing component; 53. The light-transmitting component; 60. The detection accessory; 61. The mounting handle; 62. The standard back panel. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0036] See also Figure 1 , Figures 4 to 8 An automatic sampling component 10 is provided in one embodiment of the present application, and the automatic sampling component 10 includes: a sample tray 11, a blade component 12 and a cleaning piece. A light-transmitting portion 111 corresponding to the detection position of the spectral detection mechanism is provided on the bottom wall of the sample tray 11. Among them, the light-transmitting portion 111 includes but is not limited to a perspective window arranged on the bottom wall of the sample tray 11. In addition, the blade component 12 is movably arranged inside the sample tray 11, and can be driven by the power of the first driving mechanism or manually driven, which is not limited here. The cleaning piece is connected to the blade component 12, and the cleaning piece can be driven to move by the blade component 12. When the blade component 12 drives the cleaning piece to move, the cleaning piece drives the particle sample to move to the light-transmitting portion 111, and can clean the light-transmitting portion 111.

[0037] When the particle sample falls onto the sample tray 11, the above-mentioned automatic sampling component 10 drives the blade component 12 to move inside the sample tray 11, which can drive the cleaning component to move accordingly. When the cleaning component moves, it can effectively push the particle sample to the light-transmitting portion 111, so that the particle sample can be spectrally detected by the spectral detection mechanism. At the same time, the cleaning component can also effectively clean the surface of the light-transmitting portion 111 to prevent sample residues from remaining on the surface of the light-transmitting portion 111, so as to perform spectral detection on the next batch of particle samples that fall into the sample tray 11. Furthermore, there is no need to shut down and open the equipment to clean and maintain the detection window as in the related art, which can improve the efficiency of spectral detection and reduce the cost and difficulty of daily maintenance.

[0038] Specifically, the cleaning member includes a first brush member 13 and a second brush member 14. The first brush member 13 is connected to the bottom of the blade assembly 12, and the first brush member 13 is provided with an elastic scraping brush portion 131 that is gap-matched with the bottom wall of the sample tray 11. The second brush member 14 is connected to the bottom of the blade assembly 12 or to the bottom of the first brush member 13, and the second brush member 14 includes bristles arranged along the extension direction of the elastic scraping brush portion 131, and the bristles are in close contact with the bottom wall of the sample tray 11. When the blade assembly 12 moves, it can drive the first brush member 13 and the second brush member 14 to move through the light-transmitting portion 111. In this way, when the particle sample falls onto the sample tray 11, the blade assembly 12 is driven to move inside the sample tray 11, which can drive the first brush member 13 and the second brush member 14 to move accordingly. When the elastic scraping brush portion 131 moves, it can effectively push the particle sample while preventing lateral jamming, and when the particle sample is pushed to the light-transmitting portion 111, the particle sample can be spectrally detected by the spectrum detection mechanism. At the same time, when the second brush member 14 drives the bristles to move, the bristles can effectively clean the surface of the light-transmitting portion 111 to prevent sample residues from remaining on the surface of the light-transmitting portion 111 , so as to perform spectral detection on the next batch of particle samples falling into the sample tray 11 .

[0039] In one embodiment, the first brush member 13 includes an elastic brush plate, including but not limited to a rubber plate, a plastic plate, etc. The elastic scraping portion 131 is disposed at the bottom of the first brush member 13 and below the blade assembly 12. Thus, the elastic scraping portion 131 can effectively push the particle sample when moving, and can prevent lateral jamming.

[0040] See also Figures 5 to 8 In some embodiments, the shape of the wall of the elastic scraper 131 facing the bottom wall of the sample tray 11 is configured to be similar to the shape of the bottom wall of the sample tray 11, so that the distance between the elastic scraper 131 and the bottom wall of the sample tray 11 at each position along its extension direction is consistent, which is conducive to pushing the particle sample on the bottom wall of the sample tray 11, so that the particle sample is better dispersed evenly, and the material jamming defect can be avoided. Optionally, when the bottom wall of the sample tray 11 is set as a plane, the wall of the elastic scraper 131 facing the bottom wall of the sample tray 11 is correspondingly set as a plane; when the bottom wall of the sample tray 11 is set as an arc surface, the wall of the elastic scraper 131 facing the bottom wall of the sample tray 11 is correspondingly set as an arc shape.

[0041] In some embodiments, the blade assembly 12 can be rotatably disposed inside the sample tray 11, can be reciprocatingly vibrated inside the sample tray 11, or can be swinging back and forth inside the sample tray 11, or can be disposed inside the sample tray 11 in other ways, which are not limited here, and can be flexibly disposed according to actual needs. In this embodiment, the blade assembly 12 is rotatably disposed inside the sample tray 11 as an example, but it is not limited to this.

[0042] See also Figures 4 to 8 In a specific embodiment, the blade assembly 12 includes a coupling 121 and a driving blade 122 connected to the coupling 121. The coupling 121 is used to be connected to a first driving mechanism, and the first driving mechanism includes but is not limited to a driving motor. The first brush member 13 and the second brush member 14 are connected to the driving blade 122. In this way, the first driving mechanism drives the coupling 121 to rotate, the coupling 121 drives the driving blade 122 to rotate accordingly, and the driving blade 122 drives the first brush member 13 and the second brush member 14 to rotate accordingly, thereby achieving the dispersion of the particle sample, spectral detection and material removal and cleaning actions.

[0043] In one embodiment, the number of the driving blades 122 is at least two, and the two driving blades 122 are arranged at an angle. And / or, the driving blades 122 are detachably arranged on the coupling 121. In this way, the driving blades 122 of different dimensions, different materials and different numbers can be replaced according to actual needs, and the angle between two adjacent driving blades 122 can be adjusted, so that agricultural grain samples of different particle sizes such as soybeans, wheat, rice, peanuts, etc. can be effectively compatible, and it is not easy to get stuck, which improves reliability.

[0044] In some embodiments, the angle between the two driving blades 122 is adjusted according to actual needs, including but not limited to 30°, 60°, 90°, 120°, 150°, 180°, etc.

[0045] Among them, the coupling 121 is rotatably arranged at the center position of the sample tray 11, the bottom wall surface of the sample tray 11 is set as a circular surface, and the driving blade 122 is away from the side of the coupling 121 and close to the side wall of the sample tray 11, for example, they are in contact with each other or have a gap. In this way, the driving blade 122 can drive the first brush 13 and the second brush 14 to sweep various parts of the bottom wall of the sample tray 11 during the rotation process, which is beneficial to improve the cleaning efficiency and avoid the existence of cleaning dead corners in the sample tray 11.

[0046] See also Figures 5 to 7 and Fig.13In one embodiment, a discharge port 112 is further provided on the bottom wall of the sample tray 11, and the blade assembly 12 can drive the first brush member 13 and the second brush member 14 to move to the discharge port 112 when the blade assembly 12 moves. In this way, when the particle sample is dispersed to the light-transmitting portion 111 for spectral detection, the blade assembly 12 also drives the first brush member 13 and the second brush member 14 to move to the discharge port 112, so that the particle sample can be pushed to the discharge port 112 and discharged outward through the discharge port 112, thereby completing the withdrawal of the particle sample. After the particle sample is discharged through the discharge port 112, it will fall into the silo assembly 30 located below the discharge port 112, and the silo assembly 30 will store and collect the particle sample that has been detected, and can be used for the next batch of spectral detection.

[0047] See also Figures 5 to 7 In one embodiment, the automatic sample separation component 10 further includes a first sensing component 15. The first sensing component 15 is disposed in the sample tray 11 and is used to sense the movement position of the blade component 12. In this way, the first sensing component 15 can timely sense the movement position of the blade component 12, thereby sending the movement position signal of the blade component 12 to the controller, and the controller can calibrate according to the movement position of the blade component 12, and control the first driving mechanism, the spectrum detection mechanism and other devices to work accordingly, so that each device is coordinated with each other, thereby improving the degree of automation.

[0048] In some embodiments, the first sensing component 15 includes but is not limited to a photoelectric switch 151, and the photoelectric switch 151 is connected to the side wall of the sample tray 11 through the first mounting bracket 16. In addition, the coupling 121 is provided with a light shielding member 152 corresponding to the photoelectric switch 151. When the coupling 121 rotates, the light shielding member 152 is driven to move, and the photoelectric switch 151 calibrates the movement position information of the driving blade 122 by sensing the movement position of the light shielding member 152.

[0049] See also Figure 1 , Figures 4 to 6 In one embodiment, a spectrum detection device includes the automatic sample sorting component 10 of any of the above embodiments, and the spectrum detection device also includes a chassis 20 and a spectrum detection mechanism. The automatic sample sorting component 10 and the spectrum detection mechanism are both arranged inside the chassis 20. The spectrum detection mechanism is located below the sample tray 11, and the detection end of the spectrum detection mechanism is arranged corresponding to the position of the light-transmitting portion 111. A feeding portion 21 for inputting a particle sample into the sample tray 11 is provided on the top of the chassis 20.

[0050] In the above-mentioned spectral detection device, when the particle sample falls onto the sample tray 11, the driving blade assembly 12 moves inside the sample tray 11, which can drive the cleaning member to move accordingly. When the cleaning member moves, it can effectively push the particle sample to the light-transmitting portion 111, so that the particle sample can be spectrally detected by the spectral detection mechanism. At the same time, the cleaning member can also effectively clean the surface of the light-transmitting portion 111 to prevent sample residues from remaining on the surface of the light-transmitting portion 111, so as to perform spectral detection on the next batch of particle samples that fall into the sample tray 11. Furthermore, there is no need to shut down and open the equipment to clean and maintain the detection window as in the related art, so that the efficiency of spectral detection can be improved, and the cost and difficulty of daily maintenance can be reduced.

[0051] See also Figure 4 , Fig.11 and Fig.12 In one embodiment, the spectral detection device further includes a switch mechanism 40. The switch mechanism 40 is used to control the opening or closing of the feed part 21. Specifically, the switch mechanism 40 includes a second drive mechanism 41 and a material blocking member 42. The second drive mechanism 41 is used to drive the material blocking member 42 to extend outward to close the feed part 21, or to drive the material blocking member 42 to retract to open the feed part 21. In this way, when it is necessary to add a particle sample to the sample tray 11, the second drive mechanism 41 drives the material blocking member 42 to move and retract to open the feed part 21; when it is not necessary to add a particle sample to the sample tray 11, the second drive mechanism 41 drives the material blocking member 42 to extend outward to close the feed part 21. Among them, since the material blocking member 42 moves perpendicular to the direction of material falling, it is beneficial to achieve uniform distribution of the particle sample.

[0052] In some embodiments, the switch mechanism 40 is specifically disposed inside the chassis 20, for example. The switch mechanism 40 also includes a second mounting frame 43, and the second drive mechanism 41 is mounted on the second mounting frame 43. The second mounting frame 43 supports the second drive mechanism 41. In addition, the second drive mechanism 41 includes but is not limited to a linear drive module. In order to prevent the particle sample from contacting the linear drive module and causing a failure of the linear drive module, the switch mechanism 40 also includes a protective cover 44 disposed outside the linear drive module. The protective cover 44 is provided with an avoidance opening 441 corresponding to the position of the material blocking member 42. When the linear drive module is working, the material blocking member 42 can extend outward through the avoidance opening 441 or retract into the protective cover 44.

[0053] See also Figure 1 and Figure 4In some embodiments, the feed part 21 includes a first feed hopper 211 disposed outside the chassis 20 and a second feed hopper 212 disposed inside the chassis 20. The first feed hopper 211 and the second feed hopper 212 are connected, including but not limited to being connected by various fasteners such as positioning pins, rivets, screws, etc., or can be connected by bonding, clamping or welding, or can be set as an integrated structure. When the switch mechanism 40 is turned on, the particle sample enters the sample tray 11 through the first feed hopper 211 and the second feed hopper 212 in sequence.

[0054] See also Fig.11 and Fig.12 In some embodiments, the switch mechanism 40 further includes a second sensing component 45. The second sensing component 45 is mounted on the second mounting frame 43. The second sensing component 45 is used to sense the moving position of the material blocking member 42, and plays a role in positioning and resetting the material blocking member 42, so as to accurately control the opening and closing of the material blocking member 42.

[0055] See also Figure 1 , Figure 2 , Fig. 9 and Fig.10 In one embodiment, a self-checking window 22 is provided on the top of the chassis 20 . The spectrum detection device further includes a sampling accessory 50 for arranging a liquid sample or a powder sample. The sampling accessory 50 extends into the interior of the chassis 20 through the self-checking window 22 .

[0056] The sampling accessory 50 can be inserted through the self-check window 22 for use. After being inserted into the chassis 20, the spectrum detection mechanism performs spectrum detection on the liquid sample or powder sample installed in the sampling accessory 50. It can be seen that the spectrum detection device can be used not only for the detection of particle samples, but also for the spectrum detection of liquid samples and powder samples, that is, it can improve the detection compatibility, and can be compatible with the spectrum detection of particle samples, powder samples, and liquid samples, and can also effectively be compatible with the spectrum detection of agricultural grain samples with different particle sizes.

[0057] See also Fig. 9 and Fig.10In one embodiment, the sampling accessory 50 includes a cup body 51 and a sample pressing component 52 inserted into the cup body 51 and detachably connected to the cup body 51. When the powder sample is installed in the cup body 51, the powder sample in the cup body 51 is flattened by inserting the sample pressing component 52 into the cup body 51 to improve the spectral detection quality of the powder sample. In addition, the sampling accessory 50 also includes a light-transmitting component 53 arranged at the bottom of the cup body 51. Specifically, the light-transmitting component 53 includes but is not limited to light-transmitting materials such as quartz sheets and cutoff filters. Among them, the quartz sheet has high transmittance in the visible light and near-infrared bands. The cutoff filter refers to a filter that can filter out, for example, all long waves or short waves from the composite light and only retain the required band range, including but not limited to short-wave cutoff filters and long-wave cutoff filters.

[0058] See also Fig.14 and Fig.15 In one embodiment, the spectral detection device also includes a detection accessory 60. The detection accessory 60 extends into the interior of the chassis 20 through the self-test window 22. Specifically, the detection accessory 60 includes a mounting handle 61 and a standard back panel 62 disposed on the mounting handle 61. The standard back panel 62 includes but is not limited to a standard white board, a standard wavelength plate, etc. Among them, by detecting the standard white board, the current intensity, baseline noise, absorbance repeatability, etc. of the instrument can be known. By detecting the standard wavelength plate, the wavelength repeatability, wavelength accuracy, etc. can be known. Both can help characterize the current performance of the instrument.

[0059] In addition, the structure of the feed part 21 is simple, the overall structure of the device is simple, the volume and weight are small, and the space occupation is reduced, which can improve portability and is suitable for use in mobile occasions such as grain purchasing sites. In addition, the application scenarios can be expanded, and can be adapted and integrated in multiple scenarios such as online, near-line, offline, and portable, and can be adapted to various other types of spectrometers.

[0060] In some embodiments, the sampling accessory 50 and the detection accessory 60 are each detachably mounted on the chassis 20 through various connection structures including but not limited to positioning pins, screws, rivets, magnetic parts, etc., and can be flexibly adjusted and set according to actual needs.

[0061] In this embodiment, the retraction and extension of the material blocking member 42 are controlled by the second driving mechanism 41 to control whether the particle sample enters the interior of the sample tray 11. When the material blocking member 42 is driven to retract, the feed portion 21 is opened, and the particle sample falls into the interior of the sample tray 11; when the material blocking member 42 is driven to extend, the feed portion 21 is closed, and the particle sample cannot enter the interior of the sample tray 11. Specifically, after the particle sample enters the interior of the sample tray 11, the material blocking member 42 is controlled to extend outward to close the feed portion 21, and then the spectral detection of the particle sample inside the sample tray 11 is carried out. After the detection of the particle sample is completed, the blade assembly 12 is controlled to rotate to push the particle sample to the drop port, thereby realizing the withdrawal of the particle sample.

[0062] See also Figure 4 and Fig.13 In one embodiment, the spectrum detection device further includes a silo assembly 30 disposed inside the chassis 20 and below the sample tray 11. The blade assembly 12 is also used to push the particle sample on the sample tray 11 into the silo assembly 30. The silo assembly 30 includes a recovery hopper 31, a partition 32, and a third mounting frame 33 disposed inside the chassis 20. The recovery hopper 31 is correspondingly connected to the discharge port 112 of the sample tray 11, so that after the particle sample inside the sample tray 11 is detected, it enters the recovery hopper 31 through the discharge port 112 and is collected by the recovery hopper 31. In addition, the partition 32 is connected to the outside of the recovery hopper 31 and isolates the recovery hopper 31 from electronic components such as the spectrum detection mechanism, thereby avoiding failure of the electronic components and extending the service life of the spectrum detection device. In addition, the third mounting frame 33 is respectively connected to the partition 32 and the inner wall of the chassis 20, thereby playing a supporting and fixing role.

[0063] In some embodiments, the back of the chassis 20 is provided with a communication interface 23, which includes but is not limited to a USB port, a serial port, etc. The back of the chassis 20 is also provided with a power interface 24 and a power switch 25, for example. In addition, the back of the chassis 20 is also provided with an opening, and the silo assembly 30 is arranged corresponding to the opening, and the particle sample collected by the silo assembly 30 can be easily taken out through the opening. In addition, two cooling fan positions 26 are provided on the side of the chassis 20. When the cooling fan is working, the electronic components inside the instrument are cooled to improve the working efficiency. The front of the chassis 20 is provided with an industrial control screen 27 and an indicator light 28, for example.

[0064] The driving motor may be a stepper motor, a servo motor or the like with stable performance and high positioning accuracy.

[0065] The first mounting frame 16 , the second mounting frame 43 , the third mounting frame 33 and the chassis 20 are independently provided and can be made of various metal materials such as aluminum alloy, titanium alloy, nickel-copper alloy, etc.

[0066] Among them, the photoelectric switch can adopt sensors with stable and reliable performance such as infrared photoelectric sensors, light-sensitive sensors, etc.

[0067] The material of the driving blade 122 can be replaced according to material requirements, such as aluminum alloy or soft material (TPU, etc.) blades.

[0068] In summary, the spectrum detection device and automatic sampling assembly 10 of this embodiment have at least the following advantages:

[0069] 1. When the particle sample falls onto the sample tray 11, the driving blade assembly 12 moves inside the sample tray 11, which can drive the first brush member 13 and the second brush member 14 to move accordingly. When the elastic scraping brush portion 131 moves, it can effectively push the particle sample while preventing lateral jamming, and when the particle sample is pushed to the light-transmitting portion 111, the particle sample can be spectrally detected by the spectral detection mechanism. At the same time, when the second brush member 14 drives the bristles to move, the bristles can effectively clean the surface of the light-transmitting portion 111 to prevent sample residues from remaining on the surface of the light-transmitting portion 111, so as to perform spectral detection on the next batch of particle samples that fall into the sample tray 11. Furthermore, there is no need to shut down and open the equipment to clean and maintain the detection window as in the related art, so that the efficiency of spectral detection can be improved, and the cost and difficulty of daily maintenance can be reduced.

[0070] 2. The spectral detection device can be used not only for the detection of particle samples, but also for the spectral detection of liquid samples and powder samples, which can improve the detection compatibility. It is compatible with the spectral detection of particle samples, powder samples, and liquid samples, and can also effectively be compatible with the spectral detection of agricultural and food samples of different particle sizes.

[0071] 3. Portability: The device has a simple structure, small size and weighs only 4.5kg. It can be used for rapid detection of grain at the grain purchasing site and pricing based on quality.

[0072] 4. Strong integration, high flexibility and strong versatility: This device is an integrated module, which is detachable and can be selected and matched according to different usage scenarios, such as workshop production lines, laboratory near-lines and vehicle-mounted agricultural and grain purchasing sites. It can also be adapted for use with other brands of spectrometers.

[0073] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An automatic sampling component, characterized in that: The automatic sampling component comprises: A sample tray, wherein a light-transmitting portion corresponding to a detection position of a spectrum detection mechanism is provided on the bottom wall of the sample tray; a blade assembly, the blade assembly being movably disposed inside the sample tray; and A cleaning piece is connected to the blade assembly and can be driven to move by the blade assembly. When the blade assembly drives the cleaning piece to move, the cleaning piece drives the particle sample to move to the light-transmitting portion and can clean the light-transmitting portion.

2. The automatic sample separation component according to claim 1, characterized in that: The cleaning member includes a first brush member and a second brush member, the first brush member is connected to the bottom of the blade assembly, and the first brush member is provided with an elastic scraping and brushing portion that is gap-matched with the bottom wall of the sample tray; the second brush member is connected to the bottom of the blade assembly or to the bottom of the first brush member, and the second brush member includes bristles arranged along the extension direction of the elastic scraping and brushing portion, and the bristles are tightly abutted against the bottom wall of the sample tray; when the blade assembly moves, it can drive the first brush member and the second brush member to move through the light-transmitting portion.

3. The automatic sample separation component according to claim 2, characterized in that: The first brush member comprises an elastic brush plate, and the elastic scraping portion is arranged at the bottom of the first brush member and is located below the blade assembly.

4. The automatic sample separation component according to claim 2, characterized in that: The blade assembly includes a coupling and a driving blade connected to the coupling; the coupling is used to be connected to a first driving mechanism, and the first brush member and the second brush member are connected to the driving blade.

5. The automatic sample separation component according to claim 4, characterized in that: There are at least two driving blades, and the two driving blades are arranged at an angle; and / or the driving blades are detachably arranged on the coupling.

6. The automatic sample separation assembly according to claim 4, characterized in that: A discharge port is also provided on the bottom wall of the sample tray, and the blade assembly can drive the first brush member and the second brush member to move to the discharge port when the blade assembly moves.

7. The automatic sample separation assembly according to claim 4, characterized in that: The automatic sample separation component also includes a first sensing component, which is arranged in the sample tray and is used to sense the moving position of the blade component.

8. A spectrum detection device, characterized in that: The spectral detection device includes the automatic sampling component as described in any one of claims 1 to 7, and the spectral detection device also includes a chassis and a spectral detection mechanism; the automatic sampling component and the spectral detection mechanism are both arranged inside the chassis; the spectral detection mechanism is located below the sample tray, and the detection end of the spectral detection mechanism is arranged corresponding to the position of the light-transmitting portion; the top of the chassis is provided with a feeding portion for inputting the particle sample into the sample tray.

9. The spectrum detection device according to claim 8, characterized in that: The spectral detection device also includes a switch mechanism, which is used to control the opening or closing of the feed part; the switch mechanism includes a second driving mechanism and a material blocking member, and the second driving mechanism is used to drive the material blocking member to extend outward to close the feed part, or drive the material blocking member to retract to open the feed part.

10. The spectrum detection device according to claim 8, characterized in that: A self-inspection window is provided on the top of the chassis; the spectral detection device also includes a sampling accessory for installing a liquid sample or a powder sample, and the sampling accessory extends into the interior of the chassis through the self-inspection window; and / or the spectral detection device also includes a detection accessory, and the detection accessory extends into the interior of the chassis through the self-inspection window.

11. The spectrum detection device according to claim 8, characterized in that: The spectral detection device also includes a silo assembly arranged inside the chassis and below the sample tray, and the blade assembly is also used to push the particle sample on the sample tray into the silo assembly; the silo assembly includes a recovery hopper, a partition and a third mounting frame arranged inside the chassis; the recovery hopper is correspondingly connected to the discharge port of the sample tray, the partition is connected to the outside of the recovery hopper and isolates the recovery hopper from the spectral detection mechanism, and the third mounting frame is respectively connected to the partition and the inner wall of the chassis.

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