CN218512305U - Nondestructive testing device for internal quality of grain - Google Patents
Nondestructive testing device for internal quality of grain Download PDFInfo
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- CN218512305U CN218512305U CN202221780077.1U CN202221780077U CN218512305U CN 218512305 U CN218512305 U CN 218512305U CN 202221780077 U CN202221780077 U CN 202221780077U CN 218512305 U CN218512305 U CN 218512305U
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Abstract
The utility model relates to a nondestructive test device of inside quality of granule cereal, include: the spectrum information acquisition module is used for acquiring spectrum information of the grain to be detected; the main control module is connected with the spectrum information acquisition module; the temperature sensor is connected with the main control module and is used for collecting the ambient temperature; the WIFI module is connected with the main control module; the motor module is connected with the main control module and used for controlling the material box to rotate according to signals of the main control module, and the material box is arranged above the spectral information acquisition module; the display module is connected with the main control module and used for displaying the content value of each component of the grain to be detected calculated by the main control module; and the power supply module is used for supplying power to each module in the device. The utility model discloses, adopt near infrared spectrum sensor as the information acquisition instrument, cost reduction, the volume reduces, and the detection precision accords with the demand, and the information that the light source arrangement obtained more can accurately reflect the inside each composition information of cereal, and the light source high-usage.
Description
Technical Field
The utility model relates to a cereal quality detects technical field, a nondestructive test device of inside quality of granule cereal specifically says so.
Background
With the continuous improvement of the living standard of people, the grains become the most ideal and economic heat energy source for human beings; during the safe storage and transportation of grains, moisture is one of the important safety indexes, and whether the grains reach the storage standard or not is determined, so that the storage time is influenced.
The traditional grain quality detection methods, such as the Kjeldahl method (protein), the Soxhlet extraction method (fat), the acid hydrolysis method (starch), the direct drying method (moisture) and the like, have the following defects:
1. the detection efficiency is low, the time consumption is long, the product damage is large, and the real-time, rapid and nondestructive detection of the grain quality cannot be realized;
2. the existing detection device is developed on the basis of a spectrometer, has large integral volume and high cost, and is not superior in the aspects of use convenience, field applicability and the like.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a nondestructive test device of inside quality of granule cereal adopts near infrared spectrum sensor as the information acquisition instrument, and cost reduction, volume reduction detect the precision and accord with the demand, and the information that the light source arrangement obtained more can accurately reflect the inside each composition information of cereal, and the light source high-usage.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a nondestructive testing device for the internal quality of granular grains is characterized by comprising:
the spectrum information acquisition module is used for acquiring spectrum information of the grain to be detected;
the main control module is a core unit, is connected with the spectrum information acquisition module and is used for receiving the spectrum information of the grain to be detected; the main control module is provided with a matched heat dissipation module;
the temperature sensor is connected with the main control module and is used for collecting the ambient temperature;
the WIFI module is connected with the main control module and used for sending data to a remote end by the main control module;
the motor module is connected with the main control module and used for controlling the material box to rotate according to signals of the main control module, the material box is arranged above the spectral information acquisition module, and the material box is used for bearing grains 24 to be measured;
the display module is connected with the main control module and used for displaying the content value of each component of the grain to be detected calculated by the main control module;
and the power supply module is used for supplying power to each module in the device.
On the basis of the above technical solution, the nondestructive testing apparatus includes:
the front shell 2 and the rear shell 9 are buckled to form a shell, a circle of grid vent holes 1 are formed in the lower portion of the side wall of the shell, and grid vent holes 1 are formed in the upper portion of the side wall of the rear shell 9;
the upper parts of the front shell 2 and the rear shell 9 are provided with an upper cover 3;
the front shell 2 is provided with a display module which is a liquid crystal display screen 5, a detection button 6 is arranged below the liquid crystal display screen 5, and an LED indicator lamp 4 is arranged above the liquid crystal display screen 5;
a heat dissipation module is arranged on the rear shell 9, the heat dissipation module is a heat dissipation fan 8, and a DC charging port 7, a power main switch 10 and a USB interface 11 are arranged below the heat dissipation fan 8;
the heat radiation fan 8 is used for radiating heat for the main control panel arranged in the shell; the main control panel is provided with a main control module;
the grid vent holes 1 are used for radiating a spectrum information acquisition module arranged in the shell, and the spectrum information acquisition module is a spectrum acquisition probe 22.
On the basis of the technical scheme, the grid vent holes 1 which are arranged on the upper part of the side wall of the rear shell 9 are positioned right behind the spectrum information acquisition module.
On the basis of the technical scheme, a boss 21 is arranged in the shell, a plurality of positioning holes 37 are formed in the boss 21, and the spectrum acquisition probe 22 is connected with the positioning holes 37 through a connecting piece and fixed on the boss 21;
a notch is formed in the boss 21 on the rear shell 9, and a transmission gear 14 is arranged at the notch;
the spectrum acquisition probe 22 is sleeved with a transmission sleeve 15, and the transmission sleeve 15 is in clearance fit with the spectrum acquisition probe 22;
a circle of racks 31 are arranged at the lower end of the side wall of the transmission sleeve 15, and the transmission gear 14 is in meshed transmission with the racks 31;
the motor module drives the transmission sleeve 15 to rotate through the transmission gear 14;
the material box 16 is arranged at the upper end of the side wall of the transmission sleeve 15 and synchronously rotates along with the transmission sleeve 15.
On the basis of the technical scheme, the door-shaped bracket 20 is arranged inside the shell and used for supporting the motor module; the motor module is a motor 17, and an output shaft of the motor 17 is connected with the transmission gear 14;
a power supply module 12 is arranged in a space formed by the door-shaped bracket 20;
the main control board 18, the temperature sensor 13 and the WIFI module 19 are all disposed on the top surface of the power module 12 and located in the space formed by the door-shaped bracket 20.
On the basis of the technical scheme, the spectrum information acquisition module comprises:
a module housing 34, a flange 33 with a mounting hole is provided at the bottom of the module housing 34;
the convex edge 33 is provided with a notch for accommodating the transmission gear 14;
a central post 38 is centrally disposed within the module housing 34;
the central column 38 is provided with a central through hole along the longitudinal axis, the upper end of which is provided with a concave lens 25 and the lower end of which is provided with a spectrum receiving circuit board 28;
the spectrum receiving circuit board 28 is provided with a plurality of signal receivers 29;
the light source circuit board 27 is mounted on the center post 38 between the module housing 34 and the center post 38.
On the basis of the above technical solution, a quartz glass 26 for shielding the light source circuit board 27 is further disposed between the module housing 34 and the center post 38.
On the basis of the technical scheme, the number of the signal receivers 29 is four, one is arranged in the center, and the other three are distributed around in an annular mode at equal intervals.
On the basis of the above technical solution, the light source circuit board 27 is provided with a plurality of LED light sources 23 divergently arranged along the radius direction.
On the basis of the above technical solution, the LED light source 23 includes 16 kinds of single-wavelength LEDs;
the peak wavelength of each single-wavelength LED corresponds to the absorption peak of the component to be detected in the grain to be detected;
the components to be detected comprise protein, fat, starch and water;
each component to be measured corresponds to four single-wavelength LEDs respectively.
A nondestructive test device of inside quality of granule cereal, following beneficial effect has:
1. the near infrared spectrum sensor is used as an information acquisition tool to replace a traditional spectrometer, compared with the existing detection equipment, the cost is greatly reduced, the overall size is reduced, the detection device is smaller and more convenient to use, and the detection precision can meet the use requirement;
2. the LED light source 23 in the spectrum collecting probe 22 adopts a diffuse reflection collecting mode, and is different from the prior art: the LED light source 23 adopts 16 single-wavelength LED combination arrangement modes, the peak wavelength of each single-wavelength LED is respectively related to the absorption peaks of protein, fat, starch and water in the grains to be detected, each component corresponds to 4 single-wavelength LEDs, and the information obtained by the light source arrangement mode can more accurately reflect the information of each component in the grains.
3. The utility model discloses increase material box rotation function, can test in different angles many times, reduce the detection error of device.
4. Through the structural design of embedding concave lens, will follow the stray light that awaits measuring cereal reflects and become the parallel light, then parallel irradiation improves the light source utilization ratio to near infrared spectrum sensor on.
A nondestructive test device of inside quality of granule cereal, whole small and exquisite, light, easy operation only needs "a key formula" short-term test.
Drawings
The utility model discloses there is following figure:
the accompanying drawings are included to provide a better understanding of the present invention and are not intended to constitute an undue limitation on the invention. Wherein:
FIG. 1 is a block diagram of a nondestructive testing apparatus for internal quality of grain grains according to the present invention.
Fig. 2.A schematic structural diagram (front view) of the nondestructive testing device for the internal quality of the granular grain of the present invention.
Fig. 2.B a schematic structural diagram (rear view) of the nondestructive testing device for the internal quality of the granular grains according to the present invention.
FIG. 3 is a view showing the internal structure of the nondestructive inspection apparatus for the internal quality of grain.
Fig. 4 is a half sectional view of a spectral information acquisition module.
FIG. 5 is a schematic view of a light source distribution.
Fig. 6 is a schematic structural diagram of the material box.
Fig. 7 is a schematic diagram of a spectrum acquisition probe.
Fig. 8 is a schematic view of the internal structure of the rear housing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. The detailed description, while being made in conjunction with exemplary embodiments of the present invention, includes various details of the embodiments of the present invention to facilitate understanding, which should be construed as merely exemplary. Accordingly, it will be appreciated by those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
As shown in fig. 1, the utility model provides a nondestructive testing device for internal quality of granular grain, including:
the spectrum information acquisition module is used for acquiring spectrum information of the grain to be detected; the spectral information can reflect the internal quality of the grain grains, so that nondestructive detection is realized;
the main control module is a core unit, is connected with the spectrum information acquisition module and is used for receiving the spectrum information of the grain to be detected; the main control module is provided with a matched heat dissipation module;
the temperature sensor is connected with the main control module and is used for collecting the ambient temperature; the influence of temperature on the spectral information is considered, the utility model adds the temperature sensor, and the spectral information can be corrected in real time according to the change of the environmental temperature;
the WIFI module is connected with the main control module and used for sending data to a remote end by the main control module; the remote end can be a mobile phone App, data can be stored in the remote end in batches, and the data can be further compared and analyzed at the remote end;
the motor module is connected with the main control module and used for controlling the material box to rotate according to signals of the main control module, the material box is arranged above the spectral information acquisition module and used for containing grains 24 to be detected, and the material box 16 and the grains 24 to be detected can be shown in fig. 4;
the display module is connected with the main control module and used for displaying the content value of each component of the grain to be detected calculated by the main control module;
and the power supply module is used for supplying power to each module in the device and mainly comprises a lithium battery, a 12V voltage stabilizing module and a 5V voltage reducing module.
Nondestructive test device's nondestructive test principle is: the spectral information acquisition module sends out the light of specific single wavelength, sees through the material box bottom and shines the cereal 24 that awaits measuring, and spectral information acquisition module adopts diffuse reflection's collection mode to receive the light that reflects from the cereal 24 that awaits measuring, and the retransmission gives main control module to the inside quality information of granule cereal is acquireed to harmless. The light with the specific single wavelength is related to absorption peaks of protein, fat, starch and water in the grains to be tested, the test objects are different, and the light with the specific single wavelength emitted by the spectrum information acquisition module is also different. In order to ensure the accuracy of the test, the motor module drives the material box to rotate, so that the light with specific single wavelength irradiates the grains to be tested 24 from different positions, and more data are obtained through multiple tests to improve the accuracy of the detection.
The grain comprises corn, wheat, rice, beans, etc.
On the basis of the above technical solution, as shown in fig. 2.a and 2.b, the nondestructive testing apparatus includes:
the front shell 2 and the rear shell 9 are buckled to form a shell, a circle of grid vent holes 1 are formed in the lower portion of the side wall of the shell, and grid vent holes 1 are formed in the upper portion of the side wall of the rear shell 9;
the upper parts of the front shell 2 and the rear shell 9 are provided with an upper cover 3;
the front shell 2 is provided with a display module, the display module is a liquid crystal display screen 5, a detection button 6 is arranged below the liquid crystal display screen 5, and an LED indicator lamp 4 is arranged above the liquid crystal display screen 5;
a heat dissipation module is arranged on the rear shell 9, the heat dissipation module is a heat dissipation fan 8, and a DC charging port 7, a power main switch 10 and a USB interface 11 are arranged below the heat dissipation fan 8; the DC charging port 7 may charge a lithium battery;
the heat radiation fan 8 is used for radiating heat for the main control panel arranged in the shell; the main control panel is provided with a main control module; as an alternative embodiment, the heat dissipation fan 8 is used for blowing air to the main control board; the main control module can select a 32-bit microcontroller with ultra-low power consumption;
the grid vent holes 1 are used for radiating heat of all modules arranged in the shell, particularly a spectrum information acquisition module which is a spectrum acquisition probe 22; the wind blown into the housing by the heat radiation fan 8 is also discharged from the grill ventilation holes 1.
The electrical connection of the main control board to the liquid crystal display 5, the detection button 6 and the LED indicator 4 can be made by the prior art and will not be described in detail.
The electrical connection between the main control board and the DC charging port 7, the main power switch 10 and the USB interface 11 can be implemented by the prior art, and will not be described in detail.
On the basis of the technical scheme, the grid vent holes 1 which are arranged on the upper part of the side wall of the rear shell 9 are positioned right behind the spectrum information acquisition module.
On the basis of the technical scheme, as shown in fig. 3, 4 and 8, a boss 21 is arranged in the shell, a plurality of positioning holes 37 are arranged on the boss 21, and the spectrum acquisition probe 22 is connected with the positioning holes 37 through a connecting piece and fixed on the boss 21; the connecting piece can be a screw, a bolt and the like;
a notch is formed in the boss 21 on the rear shell 9, and a transmission gear 14 is arranged at the notch;
the spectrum acquisition probe 22 is sleeved with a transmission sleeve 15, and the transmission sleeve 15 is in clearance fit with the spectrum acquisition probe 22;
a circle of racks 31 are arranged at the lower end of the side wall of the transmission sleeve 15, and the transmission gear 14 is in meshed transmission with the racks 31;
the motor module drives the transmission sleeve 15 to rotate through the transmission gear 14;
the material box 16 is arranged at the upper end of the side wall of the transmission sleeve 15 and synchronously rotates along with the transmission sleeve 15. The size of the material box 16 is smaller than that of the inner cavity of the upper cover 3.
On the basis of the above technical solution, as shown in fig. 3, a door-shaped bracket 20 is arranged inside the housing for supporting the motor module; the motor module is a motor 17, and an output shaft of the motor 17 is connected with the transmission gear 14;
a power supply module 12 is arranged in a space formed by the door-shaped bracket 20; the bottom surface of the shell is provided with a supporting seat 36 of the power module 12; the support base 36 is shown in fig. 8;
the main control board 18, the temperature sensor 13 and the WIFI module 19 are all arranged on the top surface of the power module 12 and located in a space formed by the door-shaped support 20.
On the basis of the above technical solution, as shown in fig. 3-7, the spectrum information collecting module includes:
a module housing 34, a flange 33 with a mounting hole is provided at the bottom of the module housing 34; the mounting holes are matched with the positioning holes 37;
the convex edge 33 is provided with a notch for accommodating the transmission gear 14;
a center post 38 is centrally disposed within the module housing 34;
the central column 38 is provided with a central through hole along the longitudinal axis, the upper end of the central through hole is provided with a concave lens 25, and the lower end of the central through hole is provided with a spectrum receiving circuit board 28; the concave lens 25 changes the stray light reflected from the grain to be measured into parallel light;
the spectrum receiving circuit board 28 is provided with a plurality of signal receivers 29; the signal receiver 29 is a near infrared spectrum sensor for receiving the parallel light;
the light source circuit board 27 is mounted on the center post 38 between the module housing 34 and the center post 38.
On the basis of the above technical solution, a quartz glass 26 for shielding the light source circuit board 27 is further disposed between the module housing 34 and the center post 38.
The module housing 34 and the central column 38 are provided with recesses 35, respectively, for receiving and fixing the edges of the quartz glass 26.
The top surface of the side wall of the driving sleeve 15 is higher than the level of the quartz glass 26.
On the basis of the above technical solution, as shown in fig. 5, the signal receivers 29 are four in total, one is centrally disposed, and the other three are annularly distributed around at equal intervals. Each signal receiver only receives the spectral information related to one component and converts the received optical signals with specific wavelengths into electric signals, thereby realizing the acquisition of spectral data of different components and different characteristic wavelengths of grains.
On the basis of the above technical solution, the light source circuit board 27 is provided with a plurality of LED light sources 23 divergently arranged along the radius direction.
On the basis of the above technical solution, as shown in fig. 5, the LED light source 23 includes 16 kinds of single-wavelength LEDs;
the peak wavelength of each single-wavelength LED corresponds to the absorption peak of the component to be detected in the grain to be detected;
the components to be detected comprise protein, fat, starch and water;
each component to be detected corresponds to four single-wavelength LEDs respectively.
In the embodiment shown in fig. 5, four components to be detected, namely protein, fat, starch and moisture, are detected, and each component to be detected selects four single-wavelength LEDs with different wavelengths, each single-wavelength LED includes three LED light sources, and is distributed in a triangle, the triangle is arranged by taking the central column 38 as a center according to four distances, namely, farthest distance, far distance, middle distance and near distance, and the four triangles are arranged in a staggered manner, specifically, referring to fig. 5, a scheme for arranging the LED light sources corresponding to the protein is shown:
the peak wavelengths of 4 LEDs corresponding to the protein are 874nm, 1000nm, 1057nm and 1500nm respectively;
closely spaced 3 identical 874nm LEDs, spaced 120 apart, correspond to solid black lines in FIG. 5;
set at a medium distance are 3 identical 1000nm LEDs, spaced 120 apart, corresponding to the black dashed lines in FIG. 5;
remotely located are 3 identical 1057 nmLEDs spaced 120 apart, corresponding to the black dotted line in FIG. 5;
the most distant are 3 identical 1500nm LEDs spaced 120 apart, corresponding to the black double-dashed line in FIG. 5.
The LED light sources 23 corresponding to the four components to be measured finally present four concentric circles, which are respectively distributed along 12 radii, and each circle has 12 LED light sources 23, and 48 LED light sources 23. This arrangement ensures that each single wavelength LED of a single composition is uniformly distributed.
The peak wavelengths of the 4 LEDs corresponding to the fat are 900nm, 930nm, 1214nm and 1489nm respectively; the peak wavelengths of 4 LEDs corresponding to the starch are 878nm, 1088nm, 1200nm and 1463nm respectively; the peak wavelengths of the 4 LEDs corresponding to the moisture are 780nm, 980nm, 1190nm and 1450nm respectively.
As an alternative embodiment, the LED light source 23 can be replaced by a combination of halogen bulbs and characteristic wavelength filters.
On the basis of the above technical solution, as shown in fig. 6, the material box 16 is cylindrical, and the bottom surface thereof is quartz glass 30;
an annular convex edge 32 is arranged along the lower part of the side wall of the material box 16 and used for abutting against the transmission sleeve 15.
The transmission sleeve 15 supports the material box 16 through the annular convex edge 32, so that the material box 16 can synchronously rotate with the transmission sleeve 15, and the bottom surface of the material box 16 is not in contact with the spectrum information acquisition module.
Those not described in detail in this specification are well within the skill of the art.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, for example, the wavelength corresponding to each component to be measured, the number and distribution of LED light sources, etc., and all equivalent modifications or changes made by those skilled in the art according to the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A nondestructive testing device for the internal quality of granular grains is characterized by comprising:
the spectrum information acquisition module is used for acquiring spectrum information of the grain to be detected;
the main control module is a core unit, is connected with the spectrum information acquisition module and is used for receiving spectrum information of the grain to be detected; the main control module is provided with a matched heat dissipation module;
the temperature sensor is connected with the main control module and is used for collecting the ambient temperature;
the WIFI module is connected with the main control module and used for sending data to a remote end by the main control module;
the motor module is connected with the main control module and used for controlling the material box to rotate according to signals of the main control module, the material box is arranged above the spectral information acquisition module and used for bearing grains (24) to be detected;
the display module is connected with the main control module and used for displaying the content value of each component of the grain to be detected calculated by the main control module;
and the power supply module is used for supplying power to each module in the device.
2. The apparatus for nondestructive inspection of internal quality of granular grain according to claim 1, wherein said nondestructive inspection apparatus comprises:
the front shell (2) and the rear shell (9) are buckled to form a shell, a circle of grid vent holes (1) are formed in the lower portion of the side wall of the shell, and grid vent holes (1) are formed in the upper portion of the side wall of the rear shell (9);
the upper parts of the front shell (2) and the rear shell (9) are provided with an upper cover (3);
a display module is arranged on the front shell (2), the display module is a liquid crystal display screen (5), a detection button (6) is arranged below the liquid crystal display screen (5), and an LED indicator lamp (4) is arranged above the liquid crystal display screen (5);
a heat dissipation module is arranged on the rear shell (9), the heat dissipation module is a heat dissipation fan (8), and a DC charging port (7), a power main switch (10) and a USB interface (11) are arranged below the heat dissipation fan (8);
the heat radiation fan (8) is used for radiating heat for the main control panel arranged in the shell; the main control panel is provided with a main control module;
grid ventilation hole (1) is used for the spectrum information acquisition module heat dissipation of locating in the shell, the spectrum information acquisition module is a spectrum acquisition probe (22).
3. The nondestructive inspection apparatus for the internal quality of granular cereal as claimed in claim 2 wherein the grid vent holes (1) partially formed in the upper portion of the side wall of the rear housing (9) are located right behind the spectral information acquisition module.
4. The nondestructive testing device for the internal quality of the granular grains according to claim 2, wherein a boss (21) is arranged in the shell, a plurality of positioning holes (37) are arranged on the boss (21), and the spectrum acquisition probe (22) is connected with the positioning holes (37) through connecting pieces and fixed on the boss (21);
a notch is arranged on a boss (21) on the rear shell (9), and a transmission gear (14) is arranged at the notch;
the spectrum acquisition probe (22) is sleeved with a transmission sleeve (15), and the transmission sleeve (15) is in clearance fit with the spectrum acquisition probe (22);
a circle of racks (31) are arranged at the lower end of the side wall of the transmission sleeve (15), and the transmission gear (14) is in meshed transmission with the racks (31);
the motor module drives the transmission sleeve (15) to rotate through the transmission gear (14);
the material box (16) is arranged at the upper end of the side wall of the transmission sleeve (15) and synchronously rotates along with the transmission sleeve (15).
5. The apparatus for nondestructive inspection of internal quality of granular grain according to claim 2 wherein a gate-type holder (20) is provided inside the casing for supporting the motor module; the motor module is a motor (17), and an output shaft of the motor (17) is connected with the transmission gear (14);
a power supply module (12) is arranged in a space formed by the door-shaped bracket (20);
the main control board (18), the temperature sensor (13) and the WIFI module (19) are all arranged on the top surface of the power module (12) and located in a space formed by the door-shaped support (20).
6. The apparatus for nondestructive inspection of internal quality of granular grain according to claim 4, wherein said spectral information collection module comprises:
a module housing (34), wherein the bottom of the module housing (34) is provided with a convex edge (33) with a mounting hole;
the convex edge (33) is provided with a notch for accommodating the transmission gear (14);
a central column (38) is arranged in the module shell (34) in the center;
the central column (38) is provided with a central through hole along the longitudinal axis, the upper end of the central through hole is provided with a concave lens (25), and the lower end of the central through hole is provided with a spectrum receiving circuit board (28);
the spectrum receiving circuit board (28) is provided with a plurality of signal receivers (29);
the light source circuit board (27) is sleeved on the central column (38) and is positioned between the module shell (34) and the central column (38).
7. The apparatus for nondestructive inspection of internal quality of granular grain as claimed in claim 6 wherein a quartz glass (26) for shielding the light source circuit board (27) is further provided between the module case (34) and the center post (38).
8. A non-destructive testing device for the internal quality of granular grains according to claim 6, wherein said signal receivers (29) are four in number, one centrally located and the other three equally spaced apart circumferentially distributed.
9. The apparatus for nondestructive inspection of internal quality of granular grains according to claim 6, wherein the light source circuit board (27) is provided with a plurality of LED light sources (23) divergently arranged in a radial direction.
10. The apparatus for nondestructive examination of internal quality of granular grain as claimed in claim 9 wherein the LED light source (23) comprises 16 single wavelength LEDs;
the peak wavelength of each single-wavelength LED corresponds to the absorption peak of the component to be detected in the grain to be detected;
the components to be detected comprise protein, fat, starch and water;
each component to be detected corresponds to four single-wavelength LEDs respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221780077.1U CN218512305U (en) | 2022-07-12 | 2022-07-12 | Nondestructive testing device for internal quality of grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221780077.1U CN218512305U (en) | 2022-07-12 | 2022-07-12 | Nondestructive testing device for internal quality of grain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218512305U true CN218512305U (en) | 2023-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221780077.1U Active CN218512305U (en) | 2022-07-12 | 2022-07-12 | Nondestructive testing device for internal quality of grain |
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| CN (1) | CN218512305U (en) |
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- 2022-07-12 CN CN202221780077.1U patent/CN218512305U/en active Active
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Effective date of registration: 20230905 Address after: 102206 No.3, Gaoxin 3rd Street, Changping District, Beijing Patentee after: BEIJING SDL TECHNOLOGY Co.,Ltd. Address before: 100193 No. 2 Old Summer Palace West Road, Beijing, Haidian District Patentee before: CHINA AGRICULTURAL University |
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