Portable multi-light-source colorimetric analyzer based on intelligent mobile platform and method

Abstract

The invention relates to the technical field of colorimetric analysis instruments and equipment, and particularly discloses a portable multi-light-source colorimetric analyzer and method based on an intelligent mobile platform, and the analyzer comprises colorimetric analysis software which is used for setting collection parameters, collecting sample images and analyzing sample data; a sample solution is arranged in the sample analysis darkroom module assembly, and the sample analysis darkroom module assembly is used for shielding external light interference; the light source module provides a light source for the colorimetric analyzer and is convenient for collecting sample color parameters; the cuvette is used for containing a sample solution; the intelligent mobile equipment is used for carrying out information acquisition on the sample; and the light path lens module is used for collimating and filtering the light source. The color signals in the sample detection process are captured by the camera of the intelligent mobile equipment, and the chromaticity information is quantified in combination with corresponding colorimetric analysis software, so that on-site, real-time, rapid and quantitative sample parameter detection can be realized, the detection operation difficulty in a laboratory is reduced, the method is suitable for multi-model Android intelligent equipment, and the detection efficiency is improved. And detection personnel can conveniently go out for operation.

Description

Technical Field

[0001] The present invention relates to the technical field of colorimetric analysis instruments and equipment, and in particular to a portable multi-light source colorimetric analyzer and method based on an intelligent mobile platform. Background Art

[0002] With the rapid development of science and technology, the country's production capacity has been greatly improved, and environmental protection issues have become increasingly apparent, especially water pollution control is imminent. Conventional detection technology generally involves on-site sampling, which requires testing and analysis in the laboratory. The required test cycle is long, which leads to deviations in the effectiveness of the test results. Some special test indicators cannot be tested on-site, which often leads to deviations in the test results. At the same time, conventional laboratory testing equipment is large in size, complex in operation, expensive, and cannot be portable. Therefore, an on-site detection and analysis instrument is urgently needed to meet the current urgent needs.

[0003] With the rapid development of smart devices, mobile phones, tablets and other products have gradually derived a variety of functional technologies, and the image resolution collected by the camera has gradually improved, making smart mobile devices the best choice for on-site colorimetric analyzers. Combined with analysis software, real-time collection, detection and analysis can be quickly realized on-site. By detecting image RGB, HSI [chroma, saturation, brightness (the overall brightness of the color)], HSL [chroma, saturation, brightness (the highest brightness of the color)], HSV [chroma, saturation, brightness (the brightness of the color)] and other color space information, a quantitative relationship with the concentration of pollutants is established, and effective on-site information can be obtained in real time. It is suitable for a variety of on-site environments, making up for the cumbersome problems of laboratory testing, especially for on-site instant and rapid detection and real-time transmission of evaluation results, providing a good application platform.

[0004] Based on this technical background, the present invention studies a portable multi-light source colorimetric analyzer and method based on an intelligent mobile platform. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a portable multi-light source colorimetric analyzer and method based on an intelligent mobile platform. The analyzer uses the camera of an intelligent mobile device to capture color signals in the sample detection process and combines corresponding colorimetric analysis software to quantify the color information, thereby realizing real-time and rapid quantitative detection on the spot, reducing the difficulty of detection operations in the laboratory. The intelligent device is lightweight and portable, and is less affected by environmental factors. It is suitable for multiple models of Android intelligent mobile devices, such as mobile phones, tablet computers, etc., making it convenient for detection personnel to work outdoors.

[0006] In order to achieve the above object, the first aspect of the present invention provides a portable multi-light source colorimetric analyzer based on an intelligent mobile platform, comprising:

[0007] Colorimetric analysis software, used to set acquisition parameters, acquire sample images, and analyze sample data;

[0008] Sample analysis darkroom module assembly, in which the sample solution is placed, is used to shield external light interference and fully ensure the darkroom environment;

[0009] The light source module provides light source for the colorimetric analyzer to facilitate the collection of sample color parameters;

[0010] A cuvette, used for containing the sample solution;

[0011] Smart mobile devices, used to collect information about samples;

[0012] The optical path lens module is used to collimate and filter the light source to facilitate accurate sampling.

[0013] The second aspect of the present invention provides a portable multi-light source colorimetric analysis method based on an intelligent mobile platform performed in the above analyzer, comprising:

[0014] Set image acquisition parameters, ROI area size, standard substance concentration value, sample name and analysis mode;

[0015] Collecting the concentration of the standard substance and calibrating it to obtain the calibrated substance concentration value;

[0016] Collect image information within the ROI area and obtain corresponding sample image parameter values ​​through the selected analysis mode;

[0017] Performing fitting analysis on the calibrated substance concentration value and the sample image parameter value to establish fitting function information of the standard substance;

[0018] The substance concentration value of the sample is calculated by using the fitting function information and the collected sample image information.

[0019] The beneficial effects of the present invention include:

[0020] (1) The portable multi-light source colorimetric analyzer based on the intelligent mobile platform proposed in the present invention uses the camera of the intelligent mobile device to capture the color signal in the sample detection process and combines the corresponding colorimetric analysis software to quantify the chromaticity information, which can realize real-time, rapid and quantitative sample parameter detection on the spot, reducing the difficulty of detection operation in the laboratory. In addition, it is lightweight and portable, less affected by environmental factors, and suitable for multiple models of smart phones, making it convenient for detection personnel to work outside.

[0021] (2) The portable multi-light source colorimetric analyzer based on an intelligent mobile platform proposed in the present invention can classify a variety of influencing factors in combination with a deep learning algorithm to obtain the content of the primary pollutants. At the same time, it can classify and analyze sample materials from multiple locations, facilitating the tracing analysis of the overall environment. The powerful analysis software and algorithm make the analyzer more widely extensible and have a better market prospect.

[0022] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings.

[0024] Figure 1 This is a schematic diagram of the structure of a portable multi-light source colorimetric analyzer based on an intelligent mobile platform proposed in the present invention.

[0025] Figure 2 This is a schematic diagram of an exploded view of a darkroom analysis module in a specific implementation of the portable multi-light source colorimetric analyzer based on an intelligent mobile platform proposed by the present invention.

[0026] Figure 3 This is a schematic diagram of the working principle of a specific implementation of the portable multi-light source colorimetric analyzer based on an intelligent mobile platform proposed by the present invention.

[0027] Figure 4 This is a schematic diagram of the operation flow in a specific implementation of the portable multi-light source colorimetric analysis method based on an intelligent mobile platform proposed by the present invention.

[0028] Figure 5 This is a top view schematic diagram of a darkroom analysis module in a specific implementation of the portable multi-light source colorimetric analyzer based on an intelligent mobile platform proposed by the present invention.

[0029] Figure 6 This is a left schematic diagram of a darkroom analysis module in a specific implementation of the portable multi-light source colorimetric analyzer based on an intelligent mobile platform proposed by the present invention.

[0030] Description of Reference Numerals

[0031] 10-intelligent mobile device, 20-light path lens module, 30-colorimetric dish, 40-sample analysis darkroom module assembly, 50-light source module, 20a-first light path lens module, 20b-second light path lens module, 50a-first light source module bracket, 50b-second light source module bracket. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein.

[0033] The present invention provides a portable multi-light source colorimetric analyzer based on an intelligent mobile platform. Figure 1 As shown, including:

[0034] Colorimetric analysis software, used to set acquisition parameters, acquire sample images, and analyze sample data;

[0035] A sample analysis darkroom module assembly 40, in which the sample solution is placed, is used to shield external light interference and fully ensure the darkroom environment;

[0036] The light source module 50 provides light source for the colorimetric analyzer to facilitate the collection of sample color parameters;

[0037] A cuvette 30, used for containing a sample solution;

[0038] A smart mobile device 10, used to collect information about the sample;

[0039] The optical path lens module 20 is used to collimate and filter the light source to facilitate accurate sampling.

[0040] In the present invention, the color signal in the sample detection process is captured by the camera of the smart mobile device and the color information is quantified in combination with the corresponding colorimetric analysis software, which can realize real-time and rapid quantitative detection on the spot, and reduce the difficulty of detection operation in the laboratory. The smart device is light and portable, and is less affected by environmental factors. It is suitable for multiple models of Android smart mobile devices, such as mobile phones, tablet computers, etc., which is convenient for detection personnel to work outside.

[0041] According to the present invention, the optical path lens module 20 includes a first optical path lens module 20a and a second optical path lens module 20b;

[0042] The first optical path lens module 20a is a collimating lens, which is used to convert the light source into parallel light, so that all the light can pass through the sample pool of the cuvette 30;

[0043] The second optical path lens module 20b is a converging lens, which is used to convert the parallel light projected on the sample into converging light, so as to facilitate the collection of image information of the ROI area;

[0044] The light source module 50 uses a white light source with adjustable illumination intensity in conventional detection, and its color temperature range is 3000K-7000K. It uses an ultraviolet light source with adjustable illumination intensity in fluorescent analysis, and its wavelength is 365nm.

[0045] According to the present invention, it also includes a light source module bracket for fixing the light source module 50;

[0046] The light source module bracket includes a first light source module bracket 50a and a second light source module bracket 50b;

[0047] The light source module 50 is fixed on the light source module bracket by a plurality of top screws;

[0048] The number of the plurality of top screws is 3, and the angle formed by the top screws is 120 degrees.

[0049] According to the present invention, the sample analysis darkroom module assembly 40 adopts an overall hollow assembly design, in which a light source module 50, a first light path lens module 20a, a cuvette 30, and a second light path lens module 20b are sequentially arranged to form a colorimetric analysis light path.

[0050] According to the present invention, the front of the sample analysis darkroom module assembly 40 is provided with a light source module bracket connection port for installing the light source module bracket, the upper end of the middle portion is provided with a cuvette placement port for cuvette injection, and the rear portion is provided with a small hole with a diameter of 8-15 mm for camera sampling and alignment of the smart mobile device 10;

[0051] The rear portion of the sample analysis darkroom module assembly 40 is connected to the smart mobile device 10 by a chimeric structure, and the two are fixed by a top screw.

[0052] Preferably, the front, middle and rear parts of the sample analysis darkroom module assembly 40 are arranged in sequence according to the colorimetric analysis light path.

[0053] According to the present invention, the colorimetric analysis software includes an image acquisition module and a data analysis module, and is installed on a smart mobile device 10;

[0054] The image acquisition module is used to control the camera to acquire sample images;

[0055] The data analysis module is used to perform principal component analysis and cluster analysis on sample data to obtain sample similarity information and fitting function parameter information;.

[0056] According to the present invention, the cuvette 30 is a quartz cuvette with a light transmittance of 100% and a width of 1-10 mm;

[0057] The intelligent mobile device 10 samples the sample image in the ROI area through a camera, has an operating environment that supports the colorimetric analysis software, and is also used to arbitrarily select a shooting area and store and analyze sample data.

[0058] In the present invention, a variety of influencing factors can be classified in combination with a deep learning algorithm to obtain the content of the primary pollutants. At the same time, sample materials from multiple locations can be classified and analyzed, which is convenient for tracing the source of the overall environment. The powerful analysis software and algorithm make the analyzer more widely extensible and have a better market prospect.

[0059] The present invention also provides a portable multi-light source colorimetric analysis method based on an intelligent mobile platform performed in the above analyzer, comprising:

[0060] Set image acquisition parameters, ROI area size, standard substance concentration value, sample name and analysis mode;

[0061] Collecting the concentration of the standard substance and calibrating it to obtain the calibrated substance concentration value;

[0062] Collect image information within the ROI area and obtain corresponding sample image parameter values ​​through the selected analysis mode;

[0063] Perform fitting analysis on the calibrated substance concentration value and the sample image parameter value to establish the fitting function information of the standard substance;

[0064] The substance concentration value of the sample is calculated by fitting the function information and the collected sample image information.

[0065] According to the present invention, the analysis mode includes RGB analysis mode and HSI, HSV, and HSL analysis modes;

[0066] The corresponding sample image parameter values ​​obtained by the selected analysis mode include:

[0067] If the RGB analysis mode is selected, the RGB value of the sample image is extracted;

[0068] If the HSI analysis mode is selected, the HSI value of the sample image is extracted;

[0069] If the HSL analysis mode is selected, the HSL value of the sample image is extracted;

[0070] If the HSV analysis mode is selected, the HSV value of the sample image is extracted;

[0071] After calculating the substance concentration value of the sample through the fitting function information and the collected sample image information, it also includes:

[0072] Carry out the standard test process in the laboratory, and obtain the accuracy of the analyzer by comparing the substance concentration value under the standard test process with the test value of the colorimetric analyzer.

[0073] The present invention will be described in more detail below by way of examples.

[0074] Embodiment 1:

[0075] like Figure 1 As shown, this embodiment proposes a portable multi-light source colorimetric analyzer based on an intelligent mobile platform, comprising:

[0076] Colorimetric analysis software is used to set the required acquisition parameters, collect sample image information, and analyze sample data. The software contains artificial intelligence algorithms, uses principal component analysis algorithms to analyze the main influencing parameters of collected samples, and uses cluster analysis algorithms to classify and analyze multiple analysis samples;

[0077] The sample analysis darkroom module assembly 40 places the sample solution in the darkroom module to shield the external ambient light interference. The darkroom module is hollowed out as a whole without an external composite structure to ensure a darkroom environment. The upper end retains a cuvette 30 as a release port for the cuvette to be taken out for analysis. The middle section retains a first light source module bracket 50a and a second light source module bracket 50b connection port to fix the light source module. There is a 10mm diameter hole at the front of the darkroom for camera sampling and alignment. The front end adopts a chimeric structure to connect with the smart mobile device 10, and a top screw is used to fix the darkroom module and the smart mobile device.

[0078] The light source module 50 is used to illuminate the sample. The light source module can be switched at will, and the intensity of the light source can be freely adjusted. The light source module 50 is nested inside the sample analysis darkroom module component 40. In conventional detection, white light is used, and the light intensity is adjustable. Under fluorescent analysis of substances, a 365nm ultraviolet light source is used, and the light intensity is adjustable.

[0079] The cuvette 30 is used to present the sample solution, the light transmittance of the cuvette is 100%, and the width is 10 mm to ensure the optical path is 10 mm;

[0080] The intelligent mobile device 10 is used to collect information about the sample, and to sample the sample image information in the corresponding ROI area through the camera. The intelligent mobile device can select the shooting area at will, store and analyze the sample data, and support the colorimetric analysis software running environment;

[0081] The optical path lens module 20 includes a first optical path lens module 20a and a second optical path lens module 20b. The first optical path lens module 20a is a collimating lens, which is used to convert the light source into parallel light, so that all the light can pass through the sample pool of the cuvette 30. The second optical path lens module 20b is a converging lens, which is used to convert the parallel light projected on the sample into converging light, so as to collect the image information of the ROI area.

[0082] In this embodiment, the top view and left view schematic diagrams of the darkroom analysis module are respectively as follows: Figure 5 and Figure 6 shown.

[0083] In this embodiment, Figure 3 As shown in the figure, the working principle of the portable multi-light source colorimetric analyzer based on the intelligent mobile platform includes:

[0084] The light source module 50 emits a flexible light source, which is collimated by the first optical path lens module 20a (collimating lens), passes through the sample solution in the cuvette 30, and then enters the camera module through the second optical path lens module 20b (focusing lens) to collect image information of the sample solution.

[0085] This embodiment provides a portable multi-light source colorimetric analysis method based on an intelligent mobile platform. Figure 4 As shown, including:

[0086] S100, set image acquisition parameters, set the ROI area size through the smart device, set the standard substance concentration value, and set the sample name;

[0087] S200, set the analysis mode, select single factor analysis or multivariate analysis. Single factor analysis only extracts and analyzes a single variable, while multivariate analysis provides multiple variable information for analysis. Principal component analysis or cluster analysis using deep learning algorithms can be used. The analysis software sampling parameter mode provides RGB analysis mode as well as HSI, HSV, and HSL analysis modes.

[0088] S300, collecting the concentration of the standard substance, which is calibrated by the standard solution substance configured in the laboratory, so as to facilitate fitting analysis with the image information collected by the analytical instrument;

[0089] S400, collecting sample chromaticity values, collecting image information in the ROI area through the camera of the smart device, and obtaining corresponding parameter values ​​through the selected parameter model. If the RGB analysis mode is selected, the RGB value of the sample image is extracted; if the HSI mode is selected, the HSI value of the sample image is extracted; if the HSL mode is selected, the HSL value of the sample image is extracted; if the HSV mode is selected, the HSV value of the sample image is extracted;

[0090] S500, establishing a standard material fitting graph, performing fitting analysis through the calibrated material concentration value and the collected image information value, and establishing fitting function information of the standard material to facilitate subsequent analysis;

[0091] S600, collect sample test concentration, calculate the substance concentration value of the sample by fitting function information and collected image information, and at the same time, in order to detect the accuracy of the colorimetric analysis system, the standard test process in the laboratory can be carried out in sequence, and the system accuracy can be obtained by comparing the substance concentration value under the standard test process with the test value of the colorimetric analyzer.

[0092] The portable multi-light source colorimetric analyzer based on the intelligent mobile platform proposed in the embodiment of the present invention utilizes the camera of the intelligent mobile device to capture the color signal in the sample detection process and combines the corresponding colorimetric analysis software to quantify the chromaticity information, thereby realizing real-time, rapid and quantitative sample parameter detection on the spot, reducing the difficulty of detection operation in the laboratory, and is lightweight and portable, less affected by environmental factors, and applicable to multiple models of smart phones, making it convenient for detection personnel to work outside.

[0093] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A portable multi-light source colorimetric analyzer based on an intelligent mobile platform, characterized in that: include: Colorimetric analysis software, used to set acquisition parameters, acquire sample images, and analyze sample data; A sample analysis darkroom module component (40) in which the sample solution is placed to shield external light interference and fully ensure a darkroom environment; A light source module (50) provides a light source for the colorimetric analyzer to facilitate the collection of sample color parameters; A cuvette (30) for containing the sample solution; An intelligent mobile device (10), used for collecting information about the sample; The optical path lens module (20) is used to collimate and filter the light source to facilitate accurate sampling.

2. The analyzer according to claim 1, characterized in that The optical path lens module (20) comprises a first optical path lens module (20a) and a second optical path lens module (20b); The first light path lens module (20a) is a collimating lens, which is used to convert the light source into parallel light, so that all the light can pass through the sample pool of the cuvette (30); The second optical path lens module (20b) is a converging lens, which is used to convert the parallel light projected on the sample into converging light, so as to facilitate the collection of image information of the ROI area; The light source module (50) uses a white light source with adjustable illumination intensity in conventional detection, and its color temperature range is 3000K-7000K. It uses an ultraviolet light source with adjustable illumination intensity in the case of fluorescent analysis of substances, and its wavelength is 256-400nm.

3. The analyzer according to claim 2, characterized in that Also included is a light source module bracket, used for fixing the light source module (50); The light source module bracket comprises a first light source module bracket (50a) and a second light source module bracket (50b); The light source module (50) is fixed to the light source module bracket via a plurality of top screws; The number of the plurality of top screws is 3, and the angle formed by the top screws is 120 degrees.

4. The analyzer according to claim 3, characterized in that The sample analysis darkroom module component (40) adopts an overall component hollowing design, and a light source module (50), a first light path lens module (20a), a cuvette (30), and a second light path lens module (20b) are sequentially arranged inside the darkroom module component to form a colorimetric analysis light path.

5. The analyzer according to claim 4, characterized in that The front of the sample analysis darkroom module assembly (40) is provided with a light source module bracket connection port for installing the light source module bracket, the upper middle portion is provided with a cuvette placement port for cuvette injection, and the rear portion is provided with a small hole with a diameter of 8-15 mm for camera sampling alignment of the smart mobile device (10); The rear part of the sample analysis darkroom module assembly (40) is connected to the intelligent mobile device (10) by using a chimeric structure, and the two are fixed by using a top screw.

6. The analyzer according to claim 5, characterized in that The front part, the middle part and the rear part of the sample analysis darkroom module component (40) are arranged in sequence according to the colorimetric analysis light path.

7. The analyzer according to claim 1, characterized in that The colorimetric analysis software comprises an image acquisition module and a data analysis module, and is installed on the smart mobile device (10); The image acquisition module is used to control the camera to acquire sample images; The data analysis module is used to perform principal component analysis and cluster analysis on the sample data to obtain sample similarity information and fitting function parameter information.

8. The analyzer according to claim 2, characterized in that The cuvette (30) is a quartz cuvette with a light transmittance of 99-100% and a width of 1-10 mm; The intelligent mobile device (10) samples the sample image in the ROI region through a camera, has an operating environment that supports the colorimetric analysis software, and is also used to arbitrarily select a shooting area and store analysis sample data.

9. A portable multi-light source colorimetric analysis method based on an intelligent mobile platform, characterized in that: include: Set image acquisition parameters, ROI area size, standard substance concentration value, sample name and analysis mode; Collecting the concentration of the standard substance and calibrating it to obtain the calibrated substance concentration value; Collect image information within the ROI area and obtain corresponding sample image parameter values ​​through the selected analysis mode; Performing fitting analysis on the calibrated substance concentration value and the sample image parameter value to establish fitting function information of the standard substance; The substance concentration value of the sample is calculated by using the fitting function information and the collected sample image information.

10. The method according to claim 9, characterized in that The analysis modes include RGB analysis mode and HSI, HSV, and HSL analysis modes; The corresponding sample image parameter values ​​obtained by the selected analysis mode include: If the RGB analysis mode is selected, the RGB value of the sample image is extracted; If the HSI analysis mode is selected, the HSI value of the sample image is extracted; If the HSL analysis mode is selected, the HSL value of the sample image is extracted; If the HSV analysis mode is selected, the HSV value of the sample image is extracted; After calculating the substance concentration value of the sample through the fitting function information and the collected sample image information, the method further includes: Perform a standard test procedure in the laboratory, and obtain the accuracy of the analyzer by comparing the substance concentration value under the standard test procedure with the colorimetric analyzer test value.

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