CN-121978044-A - Method, device, system and medium for detecting components of coated sample

CN121978044ACN 121978044 ACN121978044 ACN 121978044ACN-121978044-A

Abstract

The disclosure relates to a method, a device, a system and a medium for detecting components of a coated sample, 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
LIN YAN
ZHAO YUANJIN
LIN QIANG
GUO SONGBIN
LIN DENGQUAN
DENG XIAOHUA
LAI WEIYANG

Assignees

福建中烟工业有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260210

Claims (15)

1. A method for detecting a component of a coated sample, 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 judging result, wherein the characteristic wavelength is determined according to the following mode: 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; and determining the characteristic wavelength corresponding to the component to be detected from the second spectrum according to a first difference between the first wavelength and the second wavelength.
2. The component detection method according to claim 1, wherein the component to be detected includes a plurality of components, and the determining, from the second spectrum, the characteristic wavelength corresponding to each of the components to be detected based on the first difference between the first wavelength and the second wavelength includes: determining a second wavelength of the plurality of second wavelengths having a difference greater than a threshold from the first wavelength as a candidate wavelength corresponding to each of the components; and determining the characteristic wavelength corresponding to each component according to the difference between the candidate wavelengths corresponding to different components.
3. The component detection method according to claim 2, wherein the plurality of components include glycerin and propylene glycol, and a difference between a first characteristic wavelength corresponding to the glycerin and a second characteristic wavelength corresponding to the propylene glycol is greater than a preset threshold.
4. The component detection method according to claim 3, wherein the first characteristic wavelength includes a plurality of third wavelengths, the second characteristic wavelength includes a plurality of fourth 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 a plurality of third wavelengths are not less than a preset number in the characteristic spectrum or not and/or Judging whether a plurality of characteristic peaks corresponding to the fourth wavelengths are not smaller than the preset number or not in the characteristic spectrum.
5. The component detection method according to claim 4, 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 glycerin and/or the propylene glycol are/is present in the coated sample in response to the determination that the characteristic peak corresponding to the first characteristic wavelength and/or the characteristic peak corresponding to the second characteristic wavelength are present, and determining the content of the glycerin and/or the propylene glycol according to the characteristic peak; And determining that the glycerin and the propylene glycol are not present in the coated sample in response to the determination that the characteristic peak corresponding to the first characteristic wavelength and the characteristic peak corresponding to the second characteristic wavelength are not present.
6. The component detection method according to any one of claims 1 to 5, 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.
7. The component detection method according to claim 6, wherein the size of the characteristic wavelength range inversely correlates with the half-peak width at half height of the characteristic peak.
8. The component detection method according to claim 6, 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.
9. The component detecting method according to claim 8, 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.
10. A component detection device for a coated sample, 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; a detection module configured to detect the component to be detected in the coated sample according to the result of the judgment, Wherein the component detection device further comprises an acquisition module and a determination module, The acquisition module is 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; The determination module is configured to determine the characteristic wavelength corresponding to the component under test from the second spectrum based on a first difference between the first wavelength and the second wavelength.
11. A component detection device for a coated sample, comprising: memory, and A processor coupled to the memory, the processor configured to perform the composition detection method of any of claims 1-9 based on instructions stored in the memory.
12. A component detection system for a coated sample, comprising: The component detecting device according to claim 10 or 11, and 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.
13. The composition detection system according to claim 12, 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.
14. 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 1-9.
15. 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 1-9.

Description

Method, device, system and medium for detecting components of coated sample Technical Field The present disclosure relates to the field of tobacco production technology, and in particular, to a component detection method, a component detection device, a component detection system, a computer-readable storage medium, and a computer program product for a coated sample. 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 of a post-coating sample, including irradiating a post-coating sample made by adding a coating liquid onto a coating substrate with light of a characteristic wavelength corresponding to a component to be detected to obtain a characteristic spectrum corresponding to the post-coating sample, judging whether or not there is a characteristic peak corresponding to the characteristic wavelength in the characteristic spectrum, detecting the component to be detected in the post-coating sample according to a result of the judging, wherein the characteristic wavelength is determined in such a manner that a first spectrum corresponding to the coating substrate and a second spectrum corresponding to the component to be detected are obtained, 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, and determining the component to be detected from the second spectrum according to a first difference between the first wavelength and the second wavelength. In some embodiments, the component under test comprises a plurality of components, and the determining the characteristic wavelength corresponding to each component under test from the second spectrum according to the first difference between the first wavelength and the second wavelength comprises determining a second wavelength of the plurality of second wavelengths, which is greater than a threshold value, as a candidate wavelength corresponding to each component, and determining the characteristic wavelength corresponding to each component according to the difference between candidate wavelengths corresponding to different components. In some embodiments, the plurality of ingredients comprises glycerin and propylene glycol, the difference between a first characteristic wavelength corresponding to the glycerin and a second characteristic wavelength corresponding to the propylene glycol being greater than a preset threshold. In some embodiments, the first characteristic wavelength comprises a plurality of third wavelengths, the second characteristic wavelength comprises a plurality of fourth wavelengths, and the determining whether the characteristic spectrum has a characteristic peak corresponding to the characteristic wavelengths comprises determining whether the characteristic spectrum has a plurality of characteristic peaks corresponding to the plurality of third wavelengths which are not smaller than a preset number, and/or determining whether the characteristic spectrum has a plurality of characteristic peaks corresponding to the plurality of fourth wavelengths which are not smaller than the preset number. In some embodiments, the determining whether the component to be measured exists in the coated sample according to the judging result comprises determining that the glycerin and/or the propylene glycol exist in the coated sample according to the judging result, namely, the characteristic peak corresponding to the first characteristic wavelength and/or the characteristic peak corresponding to the second characteristic wavelength, and determining that the glycerin and/or the propylene glycol do not exist in the coated sample according to the characteristic peak, namely, the characteristic peak corresponding to the first characteristic wavelength and the characteristic peak corresponding to t