Photoelectric sensor dynamic calibration device and dry biochemical analyzer

Abstract

The present invention discloses a photoelectric sensor dynamic calibration device and a dry biochemical analyzer, which belongs to the technical field of biochemical analyzers, and proposes the following scheme: the photoelectric sensor dynamic calibration device includes: a reagent disk device and a detection device; the reagent disk device includes: a gray sheet base, which has M grooves; M gray sheets, each gray sheet has a gray scale with different gradients, and is sequentially installed in the grooves of the gray sheet base according to the gray scale gradient; a light shielding cover with M groups of light-transmitting holes, which is correspondingly placed above the M gray sheets; the detection device includes a light source and a photoelectric sensor; the light source emits light of different wavelengths through the light-transmitting holes to irradiate the gray sheets; the photoelectric sensor collects the light signals passing through each gray sheet, and converts them into multiple electrical signals and feeds them back to the detection device; the detection device analyzes and processes the multiple electrical signals, and generates dynamic response curves after light of different wavelengths passes through gray sheets with different gray scale gradients. The technical scheme of the present invention evaluates and dynamically calibrates the photoelectric sensor in the dry biochemical analyzer.

Description

Technical Field

[0001] The invention relates to the technical field of biochemical analyzers, and in particular to a photoelectric sensor dynamic calibration device and a dry biochemical analyzer. Background Art

[0002] Biochemical analysis is one of the important means commonly used in clinical diagnosis. By analyzing blood or other body fluids to measure various biochemical indicators, combined with other clinical data for comprehensive analysis, it helps diagnose the type of disease, evaluate organ function, identify complications, and determine the basis for subsequent treatment.

[0003] Dry biochemical analyzer is mainly used for quantitative determination of biochemical and chemical components of clinical blood, urine, serum and other body fluid samples, such as hemoglobin, cholesterol, triglycerides, albumin, C-reactive protein, glucose, uric acid, etc. It is one of the most commonly used instruments in clinical practice.

[0004] However, due to differences in production batches, components, and assembly, the dry biochemical analyzer has different measured values ​​between different devices of the same model, resulting in large fluctuations in the measured data. The photoelectric sensor in the dry biochemical analyzer is a key component of the device. Screening out the appropriate photoelectric sensor and obtaining the required parameters has a great positive effect on eliminating the existing differences. Whether the photoelectric sensor provided by the manufacturer is suitable and how to use it correctly, it is necessary to evaluate and dynamically calibrate it. Summary of the invention

[0005] The main purpose of the present invention is to provide a photoelectric sensor dynamic calibration device and a dry biochemical analyzer, aiming to evaluate and dynamically calibrate the photoelectric sensor in the dry biochemical analyzer.

[0006] The basic solution provided by the present invention is:

[0007] A photoelectric sensor dynamic calibration device, comprising: a reagent disk device and a detection device;

[0008] The reagent disc device comprises:

[0009] A gray sheet base having M grooves;

[0010] M gray sheets, each gray sheet has a gray scale of a different gradient, and the M gray sheets are sequentially installed in the grooves of the gray sheet base according to the gray scale gradient, and the gray sheets installed in the grooves can be freely replaced according to the wavelength to be calibrated;

[0011] A light shielding cover plate having M groups of light-transmitting holes is placed correspondingly above the M gray sheets;

[0012] The detection equipment comprises: a light source and a photoelectric sensor;

[0013] The light source is used to emit light of different wavelengths to irradiate the gray sheet through the light-transmitting hole;

[0014] The photoelectric sensor is used to collect the light signals passing through each of the gray sheets and convert them into multiple electrical signals to feed back to the detection device;

[0015] The detection device is used to analyze and process the multiple electrical signals and generate dynamic response curves after light of different wavelengths passes through gray films with different gray gradients.

[0016] The principle of the basic scheme of the present invention is:

[0017] In the present scheme, the dynamic calibration device of the photoelectric sensor includes a reagent disk device and a detection device, and the detection device is used to detect M gray sheets on the reagent disk device to evaluate and dynamically calibrate the photoelectric sensor; specifically, the reagent disk device includes a gray sheet base, M gray sheets with different grayscale gradients, and a light-shielding cover with M groups of light-transmitting holes. The gray sheet base has M grooves, corresponding to which the M gray sheets are installed, and the gray sheets are sequentially installed in the grooves of the gray sheet base according to the grayscale gradient size of the gray sheets, and the light-shielding cover is arranged above the M gray sheets; the detection device includes a light source and a photoelectric sensor, and the light source can emit light of different wavelengths through the light-transmitting holes to illuminate each gray sheet, and the photoelectric sensor collects the light signals passing through each gray sheet, and converts them into multiple electrical signals to feed back to the detection device for analysis and processing, and the detection device generates dynamic response curves after light of different wavelengths passes through gray sheets with different grayscale gradients.

[0018] The effects of the basic scheme of the present invention are:

[0019] (1) In this scheme, the multiple electrical signals converted by the photoelectric sensor are analyzed and processed by the detection equipment to generate dynamic response curves of light of different wavelengths after passing through gray scale gradient gray sheets, so as to evaluate the noise, sensitivity and linearity of the photoelectric sensor and obtain the optimal wavelength for the photoelectric sensor.

[0020] (2) In this scheme, the photoelectric sensor dynamic calibration device includes a reagent disk device and a detection device. The detection device detects M gray sheets on the reagent disk device. The gray sheets installed in the grooves can be freely replaced according to the wavelength required for calibration, so that the photoelectric sensor can be evaluated and dynamically calibrated. The device has a simple structure and is easy to operate. It is reusable and highly replaceable. When the gray sheet is not applicable or damaged, it can be easily replaced with a new one.

[0021] (3) In this scheme, M gray sheets are fixedly installed in M ​​grooves of the gray sheet base in sequence according to the grayscale gradient size to limit the horizontal movement of each gray sheet and prevent each gray sheet from falling off, thereby improving the reliability of the dynamic calibration device of the photoelectric sensor.

[0022] (4) In this scheme, light sources are only allowed to pass through the light-transmitting holes at the edge of the light-shielding cover made of opaque material. The light-transmitting holes collimate the light, and all the light passing through the light-transmitting holes is detected by the photoelectric sensor through the gray film, so that the detection device can evaluate and dynamically calibrate the photoelectric sensor.

[0023] Furthermore, each of the gray sheets corresponds to a group of light-transmitting holes of the light-shielding cover plate, and each group of light-transmitting holes has at least two through holes.

[0024] Each group of light-transmitting holes on the light-shielding cover plate corresponds to a gray sheet, and at least two through holes in each group of light-transmitting holes can correspond to respective response values ​​of the photoelectric sensor, thereby facilitating the evaluation of the noise of the photoelectric sensor.

[0025] Furthermore, the detection device also includes:

[0026] The driving device is used to emit light of specific wavelengths with different intensities to penetrate the gray sheet installed on the reagent disk.

[0027] The driving device may also be used to detect the light intensity after the light penetrates the gray sheet installed on the reagent disk.

[0028] The driving device emits light of specific wavelengths with different intensities to penetrate the gray sheet installed on the reagent disk, and combined with the light intensity of the detection light after penetrating the gray sheet installed on the reagent disk, the gray sheet base rotates at different speeds, so that the photoelectric sensor obtains a response value, thereby obtaining a response curve at different speeds, and achieving the highest efficiency speed of the photoelectric sensor and the critical response time through the response curve at different speeds.

[0029] Furthermore, the ash sheet base has three bosses evenly distributed around the circumference for connecting to the rotating motor in the driving device.

[0030] The arrangement of the boss facilitates the connection to the rotating motor in the driving device, and the driving device drives the gray sheet base having M gray sheets in the reagent disc device to rotate.

[0031] Further, the driving device drives the ash sheet base to rotate at different speeds;

[0032] The detection equipment is also used to generate a standard time response curve of the gray sheet base at a theoretical rotation speed, and analyze the response value of the photoelectric sensor at the corresponding time at the actual rotation speed of the gray sheet base to obtain the relative error between the actual rotation speed of the gray sheet base and the theoretical rotation speed.

[0033] The standard time response curve of the gray sheet base at the theoretical rotation speed is generated by the detection equipment. The corresponding time when the response value detected by the photoelectric sensor reaches a certain response value when the gray sheet base is at this rotation speed is measured. The time of the standard time response curve at this response value is compared to obtain the relative error with the theoretical rotation speed, thereby evaluating the rotation accuracy of the gray sheet base.

[0034] Further, the reagent disc device also includes:

[0035] The elastic gasket is arranged between the light-shielding cover plate and each of the gray sheets, and is used to fill the gap between the gray sheet and the light-shielding cover plate, and fix the gray sheet to prevent the gray sheet from shaking during use.

[0036] The elastic gasket is provided to play a buffering role and prevent damage to each ash sheet on the ash sheet base.

[0037] Further, the reagent disc device also includes:

[0038] Screws are used to fix the light shielding cover and the gray sheet base.

[0039] The screws are arranged to limit the axial movement of the gray sheet base in the reagent disk device.

[0040] Further, the reagent disc device also includes:

[0041] A racetrack-shaped boss is arranged at the top of the gray sheet base and is used for being relatively engaged and connected with the middle hole of the light-shielding cover.

[0042] The track-shaped boss is arranged so as to cooperate with the middle hole of the light-shielding cover plate to limit the relative movement of the gray sheet base and the light-shielding cover plate.

[0043] In addition, to achieve the above-mentioned purpose, the present invention also proposes a dry biochemical analyzer, comprising the above-mentioned photoelectric sensor dynamic calibration device, the photoelectric sensor dynamic calibration device comprising: a reagent disk device and a detection device;

[0044] The reagent disc device comprises:

[0045] A gray sheet base having M grooves;

[0046] M gray sheets, each gray sheet has a gray scale of a different gradient, and the M gray sheets are sequentially installed in the grooves of the gray sheet base according to the gray scale gradient, and the gray sheets installed in the grooves can be freely replaced according to the wavelength to be calibrated;

[0047] A light shielding cover plate having M groups of light-transmitting holes is placed correspondingly above the M gray sheets;

[0048] The detection equipment comprises: a light source and a photoelectric sensor;

[0049] The light source is used to emit light of different wavelengths to irradiate the gray sheet through the light-transmitting hole;

[0050] The photoelectric sensor is used to collect the light signals passing through each of the gray sheets and convert them into multiple electrical signals to feed back to the detection device;

[0051] The detection device is used to analyze and process the multiple electrical signals and generate dynamic response curves after light of different wavelengths passes through gray films with different gray gradients. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a schematic structural diagram of an embodiment of a reagent disk device in a photoelectric sensor dynamic calibration device of the present invention;

[0053] Figure 2 It is a schematic diagram of the exploded structure of an embodiment of a reagent disk device in a photoelectric sensor dynamic calibration device of the present invention;

[0054] Figure 3 It is a structural schematic diagram of an embodiment of a dynamic calibration device for a photoelectric sensor of the present invention;

[0055] Figure 4 It is a schematic diagram of actual response curves and theoretical curves of different grayscales under a certain wavelength of light of the photoelectric sensor dynamic calibration device of the present invention;

[0056] Figure 5 It is a schematic diagram of the time response curve of the gray sheet base at different rotation speeds in the dynamic calibration device of the photoelectric sensor of the present invention. DETAILED DESCRIPTION

[0057] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0058] The following is further described in detail through specific implementation methods:

[0059] The figure marks in the drawings of the specification include: reagent disk device 1, detection equipment 2, gray sheet base 10, gray sheet 11, light shielding cover 12, elastic gasket 13, screw 14, boss 15, groove 16, runway-shaped boss 17, middle hole of light shielding cover 18, multiple groups of light-transmitting holes 19, air hole 20, light source 21 and photoelectric sensor 22.

[0060] In one embodiment, referring to Figure 1 As Figure 3 As shown, the photoelectric sensor 22 dynamic calibration device includes: a reagent disk device 1 and a detection device 2;

[0061] The reagent disc device 1 comprises:

[0062] The gray sheet base 10 has M grooves 16;

[0063] M gray sheets 11, each gray sheet 11 has a gray scale of different gradients (that is, has a different light transmittance for light of different wavelengths), the M gray sheets 11 are sequentially installed in the grooves 16 of the gray sheet base 10 according to the gray scale gradient, and the gray sheets 11 installed in the grooves 16 can be freely replaced according to the wavelength to be calibrated;

[0064] A light shielding cover plate 12 having M groups of light-transmitting holes is correspondingly placed above the M gray sheets 11;

[0065] The detection device 2 includes: a light source 21 and a photoelectric sensor 22;

[0066] The light source 21 is used to emit light of different wavelengths to irradiate the gray sheet 11 through the light-transmitting hole;

[0067] The photoelectric sensor 22 is used to collect the light signals passing through each of the gray sheets 11 and convert them into multiple electrical signals to feed back to the detection device 2;

[0068] The detection device 2 is used to analyze and process the multiple electrical signals and generate dynamic response curves after light of different wavelengths passes through gray sheets 11 with different gray gradients.

[0069] In this embodiment, the gray sheet base 10 has three bosses 15 evenly distributed around the circumference for connecting the driving device. The reagent disk device 1 further includes an elastic gasket 13 disposed between the light shielding cover 12 and each gray sheet 11 .

[0070] The reagent disk device 1 further includes screws 14 for fixing the light shielding cover 12 and the gray sheet base 10 .

[0071] The reagent disk device 1 further comprises: a racetrack-shaped boss 17 disposed on the top of the gray sheet base 10 and configured to be engaged with the middle hole 18 of the light shielding cover plate.

[0072] In this embodiment, the reagent disc device 1 is constituted by screws 14, light shielding cover 12, elastic gasket 13, M gray sheets 11, gray sheet base 10, boss 15 and runway-shaped boss 17; specifically, the reagent disc device 1 mainly includes a gray sheet base 10, a light shielding cover 12 and six gray sheets 11 with gradient gray scales in the middle; the gray sheet base 10 has three bosses 15 evenly distributed around the circumference for connecting the driving device of the detection device 2; the gray sheet base 10 has six grooves 16 with a size greater than 1 / 2 circle for placing the gray sheets 11, and the six kinds of gray sheets 11 are placed in the grooves 16 in sequence according to the gray gradient size, which can limit the horizontal movement of each gray sheet 11; The light cover plate 12, in combination with the elastic gasket 13 and the screws 14, can fix each gray sheet 11 between the gray sheet base 10 and the light shielding cover plate 12 to limit the axial movement of each gray sheet 11. The elastic gasket 13 is added between the gray sheet 11 and the light shielding cover plate 12 to play a buffering role and prevent damage to each gray sheet 11; the runway-shaped boss 17 at the top of the gray sheet base 10 cooperates with the middle hole 18 of the light shielding cover plate to limit the relative movement of the gray sheet base 10 and the light shielding cover plate 12; the light shielding cover plate 12 has multiple groups of light-transmitting holes 19, and each group of 3 light-transmitting holes corresponds to a gray sheet 11 with a grayscale gradient; the light source 21 is vertically collimated through the light-transmitting holes and then received by the photoelectric sensor 22 through the gray sheet 11.

[0073] In the above embodiment, the dynamic calibration device of the photoelectric sensor 22 includes a reagent disk device 1 and a detection device 2, and the detection device 2 detects M gray sheets 11 on the reagent disk device 1 to evaluate and dynamically calibrate the photoelectric sensor 22; specifically, the reagent disk device 1 includes a gray sheet base 10, M gray sheets 11 with different gradient grayscales, and a light-shielding cover 12 with M groups of light-transmitting holes. The gray sheet base 10 has M grooves 16, corresponding to which the M gray sheets 11 are installed, and the gray sheets 11 are sequentially installed in the grooves 16 of the gray sheet base 10 according to the grayscale gradient size of the gray sheets 11, and the light-shielding cover 12 is arranged above the M gray sheets 11; the detection device 2 includes a light source 21 and a photoelectric sensor 22, the light source 21 can emit light of different wavelengths through the light-transmitting holes to illuminate each gray sheet 11, the photoelectric sensor 22 collects the light signal passing through each gray sheet 11, and converts it into multiple electrical signals to feed back to the detection device 2 for analysis and processing, and the detection device 2 generates a dynamic response curve after light of different wavelengths passes through gray sheets 11 with different grayscale gradients.

[0074] In one embodiment, referring to Figure 1 As Figure 3As shown, the driving device is connected by the boss 15 of the gray sheet base 10 to connect the reagent disc device 1 to the driving device, and the driving device drives the reagent disc device 1 to rotate; the light source 21 of the detection device 2 is collimated through the multiple groups of light-transmitting holes 19 on the edge of the light-shielding cover plate 12, and then passes through each gray sheet 11 to be received by the photoelectric sensor 22. The optical path system from the light source 21 of the detection device 2 to the photoelectric sensor 22 does not move, and the reagent disc device 1 rotates. The detection device 2 controls the light of different wavelengths emitted by the light source 21 to pass through different gray sheets 11 in sequence. Each gray sheet 11 corresponds to 3 holes of the same size. The photoelectric sensor 22 obtains the response value for gray sheets 11 with different gray gradients. The value of each gray sheet 11 can evaluate the noise of the photoelectric sensor 22. The dynamic response curve of the photoelectric sensor 22 for light of different wavelengths passing through gray sheets 11 with different gray gradients is depicted by the detection device. The linearity of the photoelectric sensor 22 is evaluated by the dynamic response curve. The light intensity of the light source 21 is reduced, and its sensitivity can be evaluated when the photoelectric sensor 22 responds. By analyzing the measured values ​​of light of different wavelengths at the same gray level, the wavelength that the photosensor 22 responds best can be selected.

[0075] When the speed of the reagent disk device 1 is controlled from low to high, that is, the speed of the gray sheet base 10 is controlled from low to high, the response time of the photoelectric sensor 22 is shorter, the measured value is smaller, and the dynamic characteristics are poor. The critical response time and economic speed of the photoelectric sensor 22 can be obtained, such as Figure 5 shown.

[0076] like Figure 4 As shown, the driving device drives the ash sheet base 10 to rotate at a theoretical speed;

[0077] The detection device 2 is also used to generate a standard time response curve of the gray sheet base 10 at a theoretical rotation speed, and analyze the response value of the photoelectric sensor 22 at the corresponding time at the actual rotation speed of the gray sheet base 10, so as to obtain the relative error between the actual rotation speed and the theoretical rotation speed of the gray sheet base 10. That is, the measured time can evaluate the rotation accuracy of the driving device, obtain the time response curve at the theoretical rotation speed, measure the corresponding time of the driving device reaching the response value at the actual rotation speed, compare the time to reach the response value at the actual rotation speed with the time to reach the response value at the theoretical rotation speed, and obtain the relative error with the theoretical rotation speed, so as to evaluate the rotation accuracy of the gray sheet base 10.

[0078] Based on the above embodiment, the reagent disk device 1 is placed in a detection device 2 with a driving device. The driving device in the detection device 2 drives the reagent disk device 1 to rotate for a period of time. For light of a specific wavelength, it passes through multiple groups of light-transmitting holes 19 of the light-shielding cover 12, and then passes through each gray film 11 with different grayscale gradients. Then, the photoelectric sensor 22 receives the light signal of the light source 21 passing through each gray film 11, and the photoelectric sensor 22 obtains a response value. For the n groups of response values ​​ADn obtained for light of a specific wavelength through gray films 11 with different gradients, the first formula is used to calculate the average of the response values ​​detected under different grayscale gradients under light of a specific wavelength.

[0079] First formula: ;

[0080] Among them, AD j is the jth response value obtained when a specific wavelength of light passes through a gray plate 11 with a specific gray gradient, is the mean of n groups of response values ​​obtained when a specific wavelength of light passes through a gray plate 11 with a specific gray gradient, i represents the set wavelength, and j represents the set gray. For the analysis of the response value of the specific wavelength and the gray plate 11, the error of the maximum response value ADmax and the minimum response value ADmin relative to the mean is calculated according to the second formula, that is, the noise of the photoelectric sensor 22:

[0081] Second formula: ;

[0082] like Figure 4 As shown, by setting different wavelengths, the response value curve of the same grayscale gradient under different wavelengths of light is obtained. The gray film 11 is linearly distributed, and theoretically the response value is also linearly distributed. When the points obtained are not linearly distributed, the linearity of the photoelectric sensor 22 is poor. By analyzing the measured values ​​of different wavelengths of light with the same grayscale, the wavelength with the best response value of the photoelectric sensor 22 can be selected.

[0083] In addition, to achieve the above-mentioned purpose, the present invention also proposes a dry biochemical analyzer, comprising the above-mentioned photoelectric sensor dynamic calibration device, the photoelectric sensor dynamic calibration device comprising: a reagent disk device and a detection device;

[0084] The reagent disc device comprises:

[0085] A gray sheet base having M grooves;

[0086] M gray sheets, each gray sheet has a gray scale of a different gradient, and the M gray sheets are sequentially installed in the grooves of the gray sheet base according to the gray scale gradient, and the gray sheets installed in the grooves can be freely replaced according to the wavelength to be calibrated;

[0087] A light shielding cover plate having M groups of light-transmitting holes is placed correspondingly above the M gray sheets;

[0088] The detection equipment comprises: a light source and a photoelectric sensor;

[0089] The light source is used to emit light of different wavelengths to irradiate the gray sheet through the light-transmitting hole;

[0090] The photoelectric sensor is used to collect the light signals passing through each of the gray sheets and convert them into multiple electrical signals to feed back to the detection device;

[0091] The detection device is used to analyze and process the multiple electrical signals and generate dynamic response curves after light of different wavelengths passes through the same grayscale gradient gray film.

[0092] The embodiment of the dry biochemical analyzer refers to the above embodiment. Since the dry biochemical analyzer adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0093] The above are only embodiments of the present invention. Common knowledge such as the known specific structures and characteristics in the scheme is not described in detail here. Ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field to which the invention belongs before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply conventional experimental means before that date. Ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known systems should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for technicians in this field, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A photoelectric sensor dynamic calibration device, characterized in that: include: Reagent tray devices and testing equipment; The reagent disc device comprises: A gray sheet base having M grooves; M gray sheets, each gray sheet has a gray scale of a different gradient, and the M gray sheets are sequentially installed in the grooves of the gray sheet base according to the gray scale gradient, and the gray sheets installed in the grooves can be freely replaced according to the wavelength to be calibrated; A light-shielding cover plate having M groups of light-transmitting holes is placed correspondingly above the M gray sheets; each gray sheet corresponds to a group of light-transmitting holes of the light-shielding cover plate, and each group of light-transmitting holes has at least two through holes; The detection equipment comprises: a light source and a photoelectric sensor; The light source is used to emit light of different wavelengths to irradiate the gray sheet through the light-transmitting hole; The photoelectric sensor is used to collect the light signals passing through each of the gray sheets and convert them into multiple electrical signals to feed back to the detection device; The detection device is used to analyze and process the plurality of electrical signals and generate dynamic response curves of light of different wavelengths passing through the same grayscale gradient gray film; For light of a specific wavelength, the photoelectric sensor receives the light signal of the light source passing through each gray film, and the photoelectric sensor obtains a response value. For n groups of response values ​​ADn obtained for light of a specific wavelength passing through gray films of different gradients, the average response value detected under different gray gradients under light of a specific wavelength is calculated according to the first formula. ; First formula: Among them, AD j is the jth response value obtained when a specific wavelength of light passes through a gray film with a specific gray gradient, is the mean of n groups of response values ​​obtained when a specific wavelength of light passes through a gray film with a specific gray gradient, i represents the wavelength, and j represents the gray scale; for the response value analysis of a specific wavelength and a gray film, the error of the maximum response value ADmax and the minimum response value ADmin relative to the mean is calculated according to the second formula , that is, the noise of the photoelectric sensor: Second formula: ; According to different wavelengths, the response value curve corresponding to the grayscale gradient under different wavelengths of light is obtained.

2. The photoelectric sensor dynamic calibration device according to claim 1, characterized in that: The detection device also includes: The driving device is used to emit light of specific wavelengths with different intensities to penetrate the gray sheet installed on the reagent disk.

3. The photoelectric sensor dynamic calibration device according to claim 2, characterized in that: The driving device is also used to detect the light intensity after the light penetrates the gray sheet installed on the reagent disk.

4. The photoelectric sensor dynamic calibration device according to claim 2, characterized in that: The ash sheet base is provided with three bosses evenly distributed around the circumference, which are used to connect the rotating motor in the driving device.

5. The photoelectric sensor dynamic calibration device according to claim 2, characterized in that: The driving device drives the ash sheet base to rotate at different speeds; The detection equipment is also used to generate a standard time response curve of the gray sheet base at a theoretical rotation speed, and analyze the response value of the photoelectric sensor at the corresponding time at the actual rotation speed of the gray sheet base to obtain the relative error between the actual rotation speed of the gray sheet base and the theoretical rotation speed.

6. The photoelectric sensor dynamic calibration device according to claim 1, characterized in that: The reagent disc device also includes: The elastic gasket is arranged between the shading cover and each of the gray sheets, and is used to fill the gap between the gray sheet and the shading cover, and fix the gray sheet to prevent the gray sheet from shaking during use.

7. The photoelectric sensor dynamic calibration device according to claim 1, characterized in that: The reagent disc device also includes: Screws are used to fix the light shielding cover and the gray sheet base.

8. The photoelectric sensor dynamic calibration device according to claim 1, characterized in that: The reagent disc device also includes: A runway-shaped boss is arranged at the top of the gray sheet base and is used for being relatively engaged and connected with the middle hole of the light-shielding cover.

9. A dry biochemical analyzer, characterized in that: It comprises a photoelectric sensor dynamic calibration device as described in any one of claims 1-8.

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