CN-121978042-A - Component detection method, wavelength determination method, device, system and medium

Abstract

The disclosure relates to a component detection method, a wavelength determination method, a device, a system and a medium, and relates to the technical field of tobacco production. The component detection method comprises the steps of irradiating a coated sample prepared by adding coating liquid on a coating substrate with light with characteristic wavelength corresponding to a component to be detected to obtain a characteristic spectrum corresponding to the coated sample, judging whether a 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
• ZHAO YUANJIN
• LIN YAN
• FAN JIANQIANG
• CHEN JIAWEI
• YU DEDE
• LI MAOYI

Assignees

• 福建中烟工业有限责任公司

Dates

Publication Date

20260505

Application Date

20260210

Claims (20)

1. 1. A component detection method comprising: Irradiating a coated sample prepared by adding a coating liquid onto a coated substrate with light of a characteristic wavelength corresponding to a component to be measured to obtain a characteristic spectrum corresponding to the coated sample; Judging whether a 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 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.
3. 3. The component detection method according to claim 2, 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.
4. 4. The component detection method according to claim 3, 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 second wavelength, of the plurality of second wavelengths, having a difference greater than a threshold value from the first wavelength as a candidate wavelength corresponding to the component to be measured; And determining the characteristic wavelength according to the difference between different candidate wavelengths.
5. 5. 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.
6. 6. 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.
7. 7. The component detection method according to any one of claims 1 to 6, wherein the post-coating sample prepared by adding a coating liquid to a coated substrate by irradiation with light of a characteristic wavelength corresponding to a component to be measured comprises: setting a characteristic wavelength range corresponding to the characteristic wavelength according to the half peak width of the characteristic peak; Allowing light having a wavelength within the characteristic wavelength range to illuminate the coated sample.
8. 8. The component detection method according to claim 7, wherein the size of the characteristic wavelength range inversely correlates with a half-peak width at half height of the characteristic peak.
9. 9. The component detection method according to claim 7, 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 illuminating the coated sample with light having the allowed wavelength within the characteristic wavelength range 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.
10. 10. The component detecting method according to claim 9, wherein a rated rotational speed of a motor of the optical filter is greater than a first specified threshold, and a scanning speed of the optical filter is greater than a second specified threshold.
11. 11. A method of wavelength determination, comprising: Acquiring a first spectrum corresponding to a coated substrate and a second spectrum corresponding to a 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; Determining a characteristic wavelength corresponding to the component to be measured based on a difference between the first wavelength and the second wavelength, The characteristic wavelength is used for acquiring a characteristic spectrum corresponding to a coated sample, the coated sample is prepared by adding coating liquid on a coated substrate, and the characteristic spectrum is used for detecting the component to be detected in the coated sample.
12. 12. The wavelength determination method according to claim 11, wherein said 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.
13. 13. The wavelength determination method according to claim 12, wherein the determining the characteristic wavelength from a second wavelength of the plurality of second wavelengths, the difference between the second wavelength and the first wavelength being greater than a threshold value, includes: determining a second wavelength, of the plurality of second wavelengths, having a difference greater than a threshold value from the first wavelength as a candidate wavelength corresponding to the component to be measured; And determining the characteristic wavelength according to the difference between different candidate wavelengths.
14. 14. A component detection apparatus comprising: an obtaining module configured to irradiate a coated sample prepared by adding a coating liquid onto a coated substrate with light of a characteristic wavelength corresponding to a component to be measured, to obtain a characteristic spectrum corresponding to the coated sample; A judging module configured to judge whether or not there is a characteristic peak corresponding to the characteristic wavelength 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.
15. 15. A wavelength determining apparatus comprising: an acquisition module configured to acquire a first spectrum corresponding to the coated substrate and a second spectrum corresponding to the component to be measured, the first spectrum including a plurality of first absorption peaks and a first wavelength corresponding to each of the plurality of first absorption peaks, the second spectrum including a plurality of second absorption peaks and a second wavelength corresponding to each of the plurality of second absorption peaks; A determination module configured to determine a characteristic wavelength corresponding to the component to be measured based on a difference between the first wavelength and the second wavelength, The characteristic wavelength is used for acquiring a characteristic spectrum corresponding to a coated sample, the coated sample is prepared by adding coating liquid on a coated substrate, and the characteristic spectrum is used for detecting the component to be detected in the coated sample.
16. 16. An electronic device, comprising: memory, and A processor coupled to the memory, the processor configured to perform the component detection method of any one of claims 1-10 or the wavelength determination method of any one of claims 11-13 based on instructions stored in the memory.
17. 17. A composition detection system comprising: The component measuring apparatus according to claim 14, and The wavelength determination apparatus of claim 15.
18. 18. The component detection system of claim 17, further comprising: a filter configured to allow light of a characteristic wavelength corresponding to the component to be measured to illuminate a post-coating sample made by adding a coating liquid onto a coating substrate.
19. 19. The composition detection system according to claim 18, 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.
20. 20. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the component detection method of any of claims 1-10 or the wavelength determination method of any of claims 11-13.

Description

Component detection method, wavelength determination 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 wavelength determination apparatus, an electronic device, 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 coated sample prepared by adding a coating liquid onto a coated substrate with light of a characteristic wavelength corresponding to a component to be detected to obtain a characteristic spectrum corresponding to the coated sample, determining whether or not there is a characteristic peak corresponding to the characteristic wavelength in the characteristic spectrum, and detecting the component to be detected in the coated sample according to a result of the determination. 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, the difference between the second wavelength and the first wavelength of which is larger than a threshold value, comprises determining the second wavelength, the difference between the second wavelength and the first wavelength of which is larger than the threshold value, as a candidate wavelength corresponding to the component to be detected, and determining the characteristic wavelength according to the difference between different candidate wavelengths. In some embodiments, the characteristic wavelength comprises a plurality of wavelengths, and the determining whether the characteristic peak corresponding to the characteristic wavelength exists in the characteristic spectrum comprises determining whether the characteristic spectrum exists a plurality of characteristic peaks corresponding to the plurality of wavelengths, which are not less than a preset number. In some embodiments, the determining whether the component to be measured is present in the post-coating sample according to the result of the determination includes determining that the component to be measured is present in the post-coating sample and determining the content of the component to be measured according to the characteristic peak in response to the result of the determination being yes, and determining that the component to be measured is not present in the post-coating sample in response to the result of the determination being no. In some embodiments, the post-coating sample prepared by adding a coating liquid onto a coated substrate with light irradiation of a characteristic wavelength corresponding to a component to be measured includes setting a characteristic wavelength range corresponding to the characteristic wavelength according to a half-peak width of the characteristic peak, and allowing light irradiation of the post-coating sample having a wavelength within the characteri