CN-121978043-A - Component detection method, device, system and medium

Abstract

The disclosure relates to a component detection method, device, system and medium, and relates to the technical field of tobacco production. The component detection method comprises the steps of irradiating a coated sample, which is prepared by adding coating liquid onto a coated substrate, with light having a wavelength in a characteristic wavelength range corresponding to a component to be detected, so as to obtain a characteristic spectrum corresponding to the coated sample, wherein a characteristic wavelength corresponding to the component to be detected is in the characteristic wavelength range, the characteristic wavelength range is set according to the half-peak width of a characteristic peak corresponding to the characteristic wavelength, judging whether the characteristic peak corresponding to the characteristic wavelength exists in the characteristic spectrum, and detecting the component to be detected in the coated sample according to the judgment result. The technical scheme of the disclosure can realize low-cost, efficient and accurate component detection.

Inventors

• LU HONGLIANG
• LIN YAN
• LIN DENGQUAN
• HUANG CHENGBAO
• FAN JIANQIANG
• DENG XIAOHUA
• LI MAOYI

Assignees

• 福建中烟工业有限责任公司

Dates

Publication Date

20260505

Application Date

20260210

Claims (17)

1. 1. A component detection method comprising: irradiating a coated sample prepared by adding a coating liquid onto a coated substrate with light having a wavelength within a characteristic wavelength range corresponding to a component to be measured, so as to obtain a characteristic spectrum corresponding to the coated sample, wherein a characteristic wavelength corresponding to the component to be measured is within the characteristic wavelength range, and the characteristic wavelength range is set according to a half-peak width of a characteristic peak corresponding to the characteristic wavelength; judging whether the characteristic peak corresponding to the characteristic wavelength exists in the characteristic spectrum or not; and detecting the component to be detected in the coated sample according to the judgment result.
2. 2. The component detection method according to claim 1, wherein the size of the characteristic wavelength range inversely correlates with a half-peak width at half height of the characteristic peak.
3. 3. The component detection method according to claim 1, wherein the component to be detected includes a plurality of components, the characteristic wavelength includes a plurality of sets of wavelengths corresponding to the plurality of components, the characteristic wavelength range includes a plurality of wavelength ranges corresponding to the plurality of sets of wavelengths, The post-coating sample prepared by adding a coating liquid onto a coating substrate by irradiation with light having a wavelength within a characteristic wavelength range corresponding to a component to be measured includes: Filtering light in a full wavelength range with a filter configured with a plurality of filter assemblies corresponding to the plurality of wavelength ranges, wherein each filter assembly of the plurality of filter assemblies is configured to allow light in a wavelength range corresponding to each filter assembly to pass.
4. 4. The component detection method according to claim 1, wherein the characteristic wavelength is determined as follows: Acquiring a first spectrum corresponding to the coated substrate and a second spectrum corresponding to the component to be detected, wherein the first spectrum comprises a plurality of first absorption peaks and a first wavelength corresponding to each of the plurality of first absorption peaks, and the second spectrum comprises a plurality of second absorption peaks and a second wavelength corresponding to each of the plurality of second absorption peaks; the characteristic wavelength is determined from a difference between the first wavelength and the second wavelength.
5. 5. The component detection method according to claim 4, wherein the determining the characteristic wavelength from a difference between the first wavelength and the second wavelength includes: The characteristic wavelength is determined from a second wavelength of the plurality of second wavelengths that differs from the first wavelength by more than a threshold.
6. 6. The component detection method according to claim 5, wherein the determining the characteristic wavelength from a second wavelength, of the plurality of second wavelengths, whose difference from the first wavelength is greater than a threshold value, includes: determining a target wavelength corresponding to the target functional group from the plurality of second wavelengths; Judging whether the difference between the target wavelength and the first wavelength is larger than the threshold value or not so as to obtain a wavelength judgment result; And determining the characteristic wavelength according to the wavelength judgment result.
7. 7. The component detection method according to claim 6, wherein the determining the characteristic wavelength according to the result of the wavelength judgment includes: determining at least a portion of the target wavelengths as the characteristic wavelengths in response to the wavelength determination being that a difference between the at least a portion of the target wavelengths and the first wavelength is greater than the threshold; And determining a second wavelength of the plurality of second wavelengths, which is other than the target wavelength and has a difference from the first wavelength greater than a threshold value, as the characteristic wavelength in response to a result of the wavelength determination that the difference between all of the target wavelengths and the first wavelength is not greater than the threshold value.
8. 8. The component detection method according to claim 7, wherein the determining the at least part of the wavelengths as the characteristic wavelengths in response to the determination of the wavelengths that the difference between the at least part of the target wavelengths and the first wavelength is greater than the threshold value includes: the at least some wavelengths are determined as the characteristic wavelengths, and one or more non-target wavelengths of the plurality of second wavelengths other than the target wavelength and differing from the first wavelength by more than the threshold are selected as the characteristic wavelengths.
9. 9. The component detecting method according to claim 6, wherein the component to be detected comprises nicotine, and the target functional group comprises a pyrrolidine ring, an N-methyl group, a pyrrolyl group, and an aromatic tertiary amine.
10. 10. The component detection method according to claim 1, wherein the characteristic wavelength includes a plurality of wavelengths, The judging whether the characteristic spectrum has the characteristic peak corresponding to the characteristic wavelength comprises the following steps: judging whether a plurality of characteristic peaks corresponding to the plurality of wavelengths are not smaller than a preset number or not in the characteristic spectrum.
11. 11. The component detection method according to claim 1, wherein the determining whether the component to be measured is present in the post-coating sample according to the result of the determination comprises: determining that the component to be detected exists in the sample after coating according to the judging result, and determining the content of the component to be detected according to the characteristic peak; And responding to the judging result to be no, and determining that the component to be detected does not exist in the sample after coating.
12. 12. A component detection apparatus comprising: An obtaining module configured to irradiate a coated sample made by adding a coating liquid onto a coated substrate with light having a wavelength within a characteristic wavelength range corresponding to a component to be measured, so as to obtain a characteristic spectrum corresponding to the coated sample, the characteristic wavelength corresponding to the component to be measured being within the characteristic wavelength range, the characteristic wavelength range being set according to a half-peak width of a characteristic peak corresponding to the characteristic wavelength; A judging module configured to judge whether the characteristic peak corresponding to the characteristic wavelength exists in the characteristic spectrum; and the detection module is configured to detect the component to be detected in the coated sample according to the judgment result.
13. 13. A component detection apparatus comprising: memory, and A processor coupled to the memory, the processor configured to perform the composition detection method of any of claims 1-11 based on instructions stored in the memory.
14. 14. A composition detection system comprising: the component detecting device according to claim 12 or 13, and A filter configured to allow light having a wavelength within a characteristic wavelength range corresponding to the component to be measured to irradiate a post-coating sample made by adding a coating liquid onto a coating substrate.
15. 15. The composition detection system according to claim 14, wherein the optical filter is configured with a plurality of filter assemblies corresponding to a plurality of wavelength ranges, Each filter assembly of the plurality of filter assemblies is configured to allow light within a wavelength range corresponding to the each filter assembly to pass.
16. 16. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the composition detection method of any of claims 1-11.
17. 17. A computer program product comprising instructions which, when executed by a processor, cause the processor to perform the component detection method according to any one of claims 1-11.

Description

Component detection method, device, system and medium Technical Field The present disclosure relates to the field of tobacco production technology, and in particular, to a component detection method, a wavelength determination method, a component detection apparatus, a component detection system, a computer-readable storage medium, and a computer program product. Background In the production process of tobacco product raw materials (such as reconstituted tobacco), chemical components of the coating base material are relatively fixed, and good batch consistency is achieved, and the stability of chemical components in a coated sample after the coating liquid is added on the coating base material influences the in-batch stability and the batch consistency of the prepared tobacco product raw materials to a large extent. In the related art, in order to evaluate the stability of various chemical components in a coated sample, the various chemical components in the coated sample are detected offline through a chemical experiment. Disclosure of Invention The inventors of the present disclosure found that the above-described related art has problems of high cost and low efficiency of component detection. In order to solve the above-described problems, the embodiments of the present disclosure provide the following solutions. According to some embodiments of the present disclosure, there is provided a component detection method including irradiating a post-coating sample made by adding a coating liquid onto a coated substrate with light having a wavelength within a characteristic wavelength range corresponding to a component to be detected, to obtain a characteristic spectrum corresponding to the post-coating sample, the characteristic wavelength corresponding to the component to be detected being within the characteristic wavelength range, the characteristic wavelength range being set according to a half-peak width of a characteristic peak corresponding to the characteristic wavelength, determining whether the characteristic peak corresponding to the characteristic wavelength exists in the characteristic spectrum, and detecting the component to be detected in the post-coating sample according to a result of the determination. In some embodiments, the size of the characteristic wavelength range is inversely related to the half-peak width of the characteristic peak. In some embodiments, the component to be measured includes a plurality of components, the characteristic wavelength includes a plurality of groups of wavelengths corresponding to the plurality of components, the characteristic wavelength range includes a plurality of wavelength ranges corresponding to the plurality of groups of wavelengths, the illuminating the coated sample made by adding a coating liquid onto the coated substrate with light having wavelengths within the characteristic wavelength range corresponding to the component to be measured includes filtering light within a full wavelength range with a filter configured with a plurality of filter assemblies corresponding to the plurality of wavelength ranges, wherein each filter assembly of the plurality of filter assemblies is configured to allow light within the wavelength range corresponding to each filter assembly to pass. In some embodiments, the characteristic wavelength is determined by obtaining a first spectrum corresponding to the coated substrate and a second spectrum corresponding to the component to be measured, the first spectrum comprising a plurality of first absorption peaks and a first wavelength corresponding to each of the plurality of first absorption peaks, the second spectrum comprising a plurality of second absorption peaks and a second wavelength corresponding to each of the plurality of second absorption peaks, and determining the characteristic wavelength based on a difference between the first wavelength and the second wavelength. In some embodiments, the determining the characteristic wavelength based on a difference between the first wavelength and the second wavelength includes determining the characteristic wavelength based on a second wavelength of the plurality of second wavelengths that differs from the first wavelength by more than a threshold. In some embodiments, the determining the characteristic wavelength according to the second wavelength, wherein the difference between the second wavelength and the first wavelength is larger than a threshold value, comprises determining a target wavelength corresponding to a target functional group from the second wavelengths, judging whether the difference between the target wavelength and the first wavelength is larger than the threshold value to obtain a wavelength judgment result, and determining the characteristic wavelength according to the wavelength judgment result. In some embodiments, the determining the characteristic wavelength according to the result of the wavelength determination includes determining at leas