CN212748727U - White spirit sample testing arrangement based on near infrared spectrum - Google Patents
White spirit sample testing arrangement based on near infrared spectrum Download PDFInfo
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- CN212748727U CN212748727U CN202020903410.8U CN202020903410U CN212748727U CN 212748727 U CN212748727 U CN 212748727U CN 202020903410 U CN202020903410 U CN 202020903410U CN 212748727 U CN212748727 U CN 212748727U
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- sample
- white spirit
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- near infrared
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000002329 infrared spectrum Methods 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 6
- 238000010835 comparative analysis Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019640 taste Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a white spirit sample testing arrangement based on near infrared spectrum relates to liquid sample test technical field, has solved the problem that current white spirit sample grade testing accuracy is low, the cost is higher, and its technical scheme main points are: the device comprises a sample disc and a control terminal, wherein a linear cavity is arranged in the sample disc, and a light source, a prism body, a light splitter and a detector are sequentially arranged in the linear cavity; the sample disc is provided with an operation groove, the operation groove is provided with a lofting hole communicated with the linear cavity, and the lofting hole is positioned between the prism body and the optical splitter; the control terminal comprises a display, a processor, a memory and a controller, the output end of the controller is connected with the input end of the light splitter, the output end of the detector is connected with the input end of the display, the output end of the memory and the output end of the display are both connected with the input end of the processor, the spectrogram data of the white spirit sample is obtained by utilizing the near infrared spectrum technology, the grade of the white spirit is judged rapidly through comparison and classification, the judging speed and the judging accuracy are improved, and the testing cost is reduced.
Description
Technical Field
The utility model relates to a liquid sample test technical field, more specifically say, it relates to a white spirit sample testing arrangement based on near infrared spectrum.
Background
White spirit has a long history in China, is one of important traditional industries in China, and makes great contribution to national economic construction for many years. Particularly, the wine brewing industry is rapidly developed since the innovation is opened, and the average annual growth rate is more than 10%. The main components of the white spirit are ethanol and water (two components account for more than 99 percent), and other trace components account for about 1 percent and comprise esters, acids, aldehydes and other substances, and the substances accounting for about 1 percent form different fragrance types and tastes of the white spirit and also form different levels and grades of the white spirit.
In order to realize the judgment of the grade of the white spirit, the grade is mainly determined according to the taste or the data result by tasting by a liquor taster or carrying out full analysis on main indexes in the liquor taster through large-scale precision equipment at present. The tasting mode has certain uncertainty, a high-level wine taster is difficult to identify at any time, a large-scale instrument analysis not only needs skilled operators, but also has relatively high analysis period and cost. The near infrared spectrum is electromagnetic radiation wave between visible light (Vis) and Mid Infrared (MIR), the frequency combination of the vibration of hydrogen-containing groups (O-H, N-H, C-H) in organic molecules is consistent with the absorption area of frequency doubling at all levels, the characteristic information of the hydrogen-containing groups in the organic molecules in a sample can be obtained by scanning the near infrared spectrum of the sample, and the analysis of the sample by utilizing the near infrared spectrum technology has the advantages of convenience, rapidness, high efficiency, accuracy, lower cost, no damage to the sample, no consumption of chemical reagents, no environmental pollution and the like.
Therefore, how to design a white spirit sample testing device based on near infrared spectrum is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a white spirit sample testing arrangement based on near infrared spectrum utilizes the spectrogram data that near infrared spectrum technique acquireed the white spirit sample to come fast judgement white spirit grade through contrast, classification, not only improved the speed and the degree of accuracy of judging of white spirit grade, reduced the test cost simultaneously, provide basic equipment for the test in batches of white spirit sample.
The above technical purpose of the present invention can be achieved by the following technical solutions: a white spirit sample testing device based on near infrared spectrum comprises a sample disc and a control terminal, wherein a linear cavity is arranged in the sample disc, and a light source, a prism body, a light splitter and a detector are sequentially arranged in the linear cavity along the axis direction of the linear cavity; the surface of the sample tray is provided with an operation groove, the bottom surface in the operation groove is provided with a lofting hole communicated with the linear cavity, and the lofting hole is positioned between the prism body and the optical splitter; the control terminal comprises a display, a processor, a memory and a controller, wherein the signal output end of the controller is connected with the signal input end of the light splitter, the signal output end of the detector is connected with the signal input end of the display, and the signal output end of the memory and the signal output end of the display are connected with the signal input end of the processor.
By adopting the technical scheme, the light source emits near-infrared radiation rays with different wavelengths to the prism body; the prism body divides the near infrared radiation into different test wave bands; irradiating the white spirit sample in the lofting hole by different test wave bands to form light rays to be detected; the beam splitter removes stray light in the light to be detected; the detector detects the light intensity of the light to be detected after being processed by the light splitter, converts a light intensity signal into an electric signal and transmits the electric signal to the display; the display displays the electric signal as a corresponding detection spectrogram signal; the processor calls the detection spectrogram signals and the standard near-infrared test spectrogram data stored in the memory, then carries out comparative analysis and classification, outputs corresponding grade results of the white spirit of the sample to be detected, and the controller generates a removal command for controlling the operation of the optical splitter.
The utility model discloses further set up to: the surface of the sample tray is provided with a sample vacancy disc to be detected and a measured sample vacancy disc, and the sample vacancy disc to be detected and the measured sample vacancy disc are symmetrically arranged on two sides of the operation groove; and a sampling mechanical arm is arranged in the operating groove, and the signal output end of the controller is connected with the signal input end of the sampling mechanical arm.
By adopting the technical scheme, the sampling mechanical arm places the white spirit samples in the sample empty tray to be tested in the sample setting holes according to the test command generated by the controller for testing, and after the test is finished, the white spirit samples in the sample setting holes are placed in the tested sample empty tray, and the batch test of the white spirit samples can be realized by repeated operation.
The utility model discloses further set up to: the number of the vacant sites of the sample vacant site disc to be detected is any one of 6, 9, 20 and 32 vacant sites which are distributed in an arrangement manner.
By adopting the technical scheme, the sampling mechanical arm is convenient to take and place liquor samples.
The utility model discloses further set up to: a driving mechanism is arranged in the linear cavity, and an output shaft of the driving mechanism is fixedly connected with the prism body; and the signal output end of the controller is connected with the signal input end of the driving mechanism.
By adopting the technical scheme, the controller controls the driving mechanism to rotate according to the generated driving command, and the driving mechanism rotates to drive the prism body to rotate, so that the prism body can be flexibly adjusted to divide the near-infrared radiation into refraction angles of different test wave bands.
To sum up, the utility model discloses following beneficial effect has: the method has the advantages that the spectrogram data of the white spirit sample is obtained by utilizing the near infrared spectrum technology, and the white spirit grade is judged rapidly through comparison and classification, so that the judgment speed and the judgment accuracy of the white spirit grade are improved, and the test cost is reduced; the sampling mechanical arm places the white spirit samples in the sample empty tray to be tested in the sample placing holes according to the test command generated by the controller for testing, and after the test is finished, the white spirit samples in the sample placing holes are placed in the tested sample empty tray, and the operation is repeated, so that the batch test of the white spirit samples can be realized; the controller controls the driving mechanism to rotate according to the generated driving command, and the driving mechanism rotates to drive the prism body to rotate, so that the refraction angle of the prism body for dividing the near-infrared radiation into different testing wave bands can be flexibly adjusted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure in the embodiment of the present invention;
fig. 3 is a schematic diagram of the operation in the embodiment of the present invention.
In the figure: 1. a light source; 2. a prism body; 21. a drive mechanism; 3. a sample tray; 31. a sample to be detected is empty disc; 32. a measured sample vacancy disc; 33. an operation slot; 34. a sampling mechanical arm; 35. placing a sample hole; 36. a linear cavity; 4. a light splitter; 5. a detector; 6. a control terminal; 61. a display; 62. a processor; 63. a memory; 64. and a controller.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 3 and the embodiments.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): a white spirit sample testing device based on near infrared spectrum is shown in figures 2 and 3 and comprises a sample tray 3 and a control terminal 6, wherein in the embodiment of the market, the control terminal 6 adopts a computer. The sample disc 3 is internally provided with a linear cavity 36 arranged along the horizontal direction, and the linear cavity 36 is internally provided with a light source 1, a prism body 2, a light splitter 4 and a detector 5 in sequence along the self axis direction. The surface of the sample plate 3 is provided with an operation groove 33, the bottom surface in the operation groove 33 is provided with a lofting hole 35 communicated with a linear cavity 36, the lofting hole 35 is positioned between the prism body 2 and the optical splitter 4, and the lofting hole 35 is of a counter bore type. The control terminal 6 comprises a display 61, a processor 62, a memory 63 and a controller 64, wherein a signal output end of the controller 64 is connected with a signal input end of the optical splitter 4, a signal output end of the detector 5 is connected with a signal input end of the display 61, and a signal output end of the memory 63 and a signal output end of the display 61 are both connected with a signal input end of the processor 62. In addition, the memory 63 may also be an external storage medium through a USB interface.
As shown in fig. 2 and 3, the light source 1 emits near-infrared radiation of different wavelengths to the prism body 2; the prism body 2 divides the near infrared radiation into different test bands. And irradiating the white spirit sample in the sample placing hole 35 by different test wave bands to form light rays to be detected. The beam splitter 4 removes stray light within the light to be detected. The detector 5 detects the light intensity of the light to be detected after being processed by the optical splitter 4, converts the light intensity signal into an electric signal, and transmits the electric signal to the display 61. The display 61 displays the electric signal as a corresponding detection spectrum signal. The processor 62 calls the detection spectrogram signal and the standard near-infrared test spectrogram data stored in the memory 63, performs comparative analysis and classification, outputs a corresponding grade result of the white spirit to be detected, and the controller 64 generates a removal command for controlling the operation of the optical splitter 4.
As shown in fig. 1 and fig. 2, the sample tray 3 has a sample empty tray 31 to be measured and a measured sample empty tray 32 on the upper surface thereof, and the sample empty tray 31 to be measured and the measured sample empty tray 32 are symmetrically disposed on both sides of the operation slot 33. The operation tank 33 is provided with a sampling mechanical arm 34, and the sampling mechanical arm 34 is a conventional automatic mechanical arm. A signal output of the controller 64 is connected to a signal input of the sampling robot arm 34. The sampling mechanical arm 34 places the white spirit samples in the sample vacancy disc 31 to be tested in the lofting holes 35 according to the test command generated by the controller 64 for testing, and after the test is finished, places the white spirit samples in the lofting holes 35 in the tested sample vacancy disc 32, and the operation is repeated, so that the batch test of the white spirit samples can be realized.
As shown in fig. 1, the number of the vacancies in the sample vacancy disk 31 is any one of 6, 9, 20, 32 vacancies distributed in an array. In this embodiment, the number of the 9 vacant sites distributed in a 3 × 3 arrangement is used for each of the vacant site disks 31 and 32 for samples to be measured. In addition, 20 empty bits are arranged and distributed at 4 multiplied by 5, and 32 empty bits are arranged and distributed at 4 multiplied by 8, so that the operation of picking and placing white spirit samples by the sampling mechanical arm 34 is convenient.
As shown in fig. 2 and 3, the driving mechanism 21 is disposed in the linear cavity 36, and an output shaft of the driving mechanism 21 is fixedly connected to the prism body 2. A signal output of the controller 64 is connected to a signal input of the drive 21. In the present embodiment, the driving mechanism 21 employs a driving motor. The controller 64 controls the driving mechanism 21 to rotate according to the generated driving command, and the driving mechanism 21 rotates to drive the prism body 2 to rotate, so as to flexibly adjust the refraction angle of the prism body 2 for dividing the near-infrared radiation into different test bands.
The working process is as follows: the light source 1 emits near-infrared radiation of different wavelengths to the prism body 2. The prism body 2 divides the near infrared radiation into different test bands. And irradiating the white spirit sample in the sample placing hole 35 by different test wave bands to form light rays to be detected. The beam splitter 4 removes stray light within the light to be detected. The detector 5 detects the light intensity of the light to be detected after being processed by the optical splitter 4, converts the light intensity signal into an electric signal, and transmits the electric signal to the display 61. The display 61 displays the electric signal as a corresponding detection spectrum signal. The processor 62 calls the detection spectrogram signal and the standard near-infrared test spectrogram data stored in the memory 63, performs comparative analysis and classification, outputs a corresponding grade result of the white spirit to be detected, and the controller 64 generates a removal command for controlling the operation of the optical splitter 4.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a white spirit sample testing arrangement based on near infrared spectrum, characterized by: the device comprises a sample disc (3) and a control terminal (6), wherein a linear cavity (36) is arranged in the sample disc (3), and a light source (1), a prism body (2), a light splitter (4) and a detector (5) are sequentially arranged in the linear cavity (36) along the axis direction of the linear cavity; an operation groove (33) is formed in the surface of the sample plate (3), a lofting hole (35) communicated with the linear cavity (36) is formed in the bottom surface of the operation groove (33), and the lofting hole (35) is located between the prism body (2) and the optical splitter (4); the control terminal (6) comprises a display (61), a processor (62), a memory (63) and a controller (64), a signal output end of the controller (64) is connected with a signal input end of the optical splitter (4), a signal output end of the detector (5) is connected with a signal input end of the display (61), and a signal output end of the memory (63) and a signal output end of the display (61) are connected with a signal input end of the processor (62).
2. The near infrared spectrum-based white spirit sample testing device according to claim 1, characterized in that: the surface of the sample tray (3) is provided with a sample vacancy disc (31) to be measured and a measured sample vacancy disc (32), and the sample vacancy disc (31) to be measured and the measured sample vacancy disc (32) are symmetrically arranged on two sides of the operation groove (33); a sampling mechanical arm (34) is arranged in the operation groove (33), and a signal output end of the controller (64) is connected with a signal input end of the sampling mechanical arm (34).
3. The near infrared spectrum-based white spirit sample testing device according to claim 2, characterized in that: the number of the vacancies of the sample vacancy disc (31) to be detected is any one of 6, 9, 20 and 32 vacancies which are distributed in an arrangement manner.
4. The near infrared spectrum-based white spirit sample testing device according to claim 1, characterized in that: a driving mechanism (21) is arranged in the linear cavity (36), and an output shaft of the driving mechanism (21) is fixedly connected with the prism body (2); and the signal output end of the controller (64) is connected with the signal input end of the driving mechanism (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903410.8U CN212748727U (en) | 2020-05-26 | 2020-05-26 | White spirit sample testing arrangement based on near infrared spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903410.8U CN212748727U (en) | 2020-05-26 | 2020-05-26 | White spirit sample testing arrangement based on near infrared spectrum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748727U true CN212748727U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020903410.8U Expired - Fee Related CN212748727U (en) | 2020-05-26 | 2020-05-26 | White spirit sample testing arrangement based on near infrared spectrum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748727U (en) |
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2020
- 2020-05-26 CN CN202020903410.8U patent/CN212748727U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 Termination date: 20210526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |