Dissolved oxygen analysis instrument and analysis method

Abstract

The invention discloses a dissolved oxygen analysis instrument and an analysis method, and particularly relates to the field of oxygen measurement. Comprising a sub-region division step, a sub-region analyzer information acquisition step, a sub-region data standardization processing step, a sub-region analyzer comprehensive analysis step, a target region analyzer comprehensive analysis step, an analyzer comprehensive judgment step and an interactive feedback step. According to the method, the target area is comprehensively monitored in real time through accurate area division, and multi-dimensional information including dissolved oxygen concentration, temperature, instrument performance and the like is collected. Based on the data, a comprehensive evaluation model is constructed and is used for comprehensively measuring the overall performance of the dissolved oxygen analysis instrument. The method not only improves the monitoring fineness, but also promotes the evaluation of instrument efficiency from multiple dimensions, and effectively enhances the operation efficiency and quality of the dissolved oxygen analysis instrument.

Description

Technical Field

[0001] The present invention relates to the technical field of oxygen measurement, and more particularly to a dissolved oxygen analysis instrument and an analysis method. Background Art

[0002] Dissolved oxygen analyzer is an instrument specially used to measure the dissolved oxygen content in aqueous solution. It is mainly composed of a transmitter and an electrode, and the data is fed back to the transmitter in real time through the measurement of the electrode. This type of instrument is widely used in industry, electricity, agriculture, medicine, food, scientific research and environmental protection, and is an important tool for water quality monitoring and environmental protection.

[0003] However, there are still some shortcomings in its actual use. For example, the data collected by the existing technology is too single, which makes it difficult to accurately judge the overall situation of the dissolved oxygen analyzer. In addition, the current analysis of the effect of the dissolved oxygen analyzer is mainly judged by a single dimension such as dissolved oxygen indicators, lacking comprehensive indicators. If monitoring is only carried out from a single dimension, the instrument's adaptability to different temperatures, the equipment's response speed, and the impact of the equipment's information storage capacity are ignored, which in turn affects the ultimate practicality and work quality of the dissolved oxygen analyzer. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a dissolved oxygen analysis instrument and an analysis method, which solve the problems raised in the above-mentioned background technology through the following scheme.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dissolved oxygen analyzer and an analysis method, comprising a sub-area division step, a sub-area analyzer information collection step, a sub-area data standardization processing step, a sub-area analyzer comprehensive analysis step, a target area analyzer comprehensive analysis step, an analyzer comprehensive judgment step and an interactive feedback step.

[0006] Preferably, S1: the sub-area division step is used to use the analyzer data to be monitored as the target monitoring area, divide the target monitoring area into sub-monitoring areas according to the timestamp, and mark them as 1, 2, 3...i in sequence;

[0007] S2: The sub-area analyzer information collection step includes a dissolved oxygen concentration related information collection step, a temperature related information collection step, and an instrument performance information collection step, which is used to collect data for the sub-area to obtain comprehensive parameters;

[0008] S3: The sub-region data standardization processing step is used to standardize the collected data, and the effect of eliminating the influence of the dimension is achieved by performing Z-score standardization on the collected data, and the processed data is output to the sub-region analyzer comprehensive analysis step;

[0009] S4: The sub-region analyzer comprehensive analysis step is used to import the data processed in the sub-region data standardization processing step into the mathematical model of the sub-region dissolved oxygen concentration measurement effect coefficient, the mathematical model of the sub-region temperature influence coefficient, the mathematical model of the sub-region other influence coefficients and the mathematical model of the sub-region instrument performance comprehensive index and calculate to obtain the sub-region dissolved oxygen concentration measurement effect coefficient, the sub-region temperature influence coefficient, the sub-region other influence coefficients and the sub-region instrument performance comprehensive index;

[0010] S5: The target area accessory processing comprehensive analysis step is used to import the data obtained in the sub-area accessory processing comprehensive analysis step into the mathematical model of the target area instrument performance comprehensive index and perform calculations to obtain the target area instrument performance comprehensive index;

[0011] S6: The analyzer comprehensive judgment step is used to compare the comprehensive index of instrument performance in the target area with the preset value, and input the comparison result into the interactive feedback step;

[0012] S7: The interactive feedback step is used to import the comparison results into the administrator terminal. When the comparison result of the comprehensive index of instrument performance in the target area is lower than the preset value, an alarm will be issued to the administrator's equipment.

[0013] Preferably, the specific method for obtaining the comprehensive parameters of each sub-region in the sub-region analyzer information collection step is as follows:

[0014] Comprehensive parameters refer to sub-area dissolved oxygen concentration maximum measurement range parameter, sub-area dissolved oxygen concentration resolution parameter, sub-area dissolved oxygen concentration accuracy parameter, sub-area temperature measurement maximum range parameter, sub-area temperature measurement precision parameter, sub-area temperature compensation maximum range parameter, sub-area instrument response time parameter, sub-area data storage capacity parameter, and sub-area instrument calibration period parameter;

[0015] The parameter of the maximum measurement range value of dissolved oxygen concentration in the sub-region refers to the maximum measurement range value m of dissolved oxygen concentration in the i sub-region i ;

[0016] The sub-region dissolved oxygen concentration resolution parameter refers to the sub-region dissolved oxygen concentration resolution c i ;

[0017] The sub-area dissolved oxygen concentration accuracy parameter refers to the dissolved oxygen concentration accuracy v of the i sub-area i ;

[0018] The sub-area temperature measurement maximum range parameter refers to the maximum range value b of the sub-area temperature measurement i ;

[0019] The sub-region temperature measurement accuracy parameter refers to the temperature measurement accuracy of the i sub-region fi ;

[0020] The sub-region temperature compensation maximum range parameter refers to the maximum range value k of the temperature compensation of the i sub-region i ;

[0021] The sub-area instrument response time parameter refers to the sub-area instrument response time t i ;

[0022] The sub-region data storage capacity parameter refers to the data storage capacity p of the i sub-region i ;

[0023] The sub-area instrument calibration period parameter refers to the sub-area instrument calibration period q i .

[0024] Preferably, the sub-region dissolved oxygen concentration resolution parameter specifically refers to: the minimum dissolved oxygen change that the instrument can measure. A high-resolution instrument can more accurately reflect the slight change in dissolved oxygen, with a unit of 0.1 μg / L.

[0025] Preferably, the sub-region dissolved oxygen concentration accuracy parameter specifically refers to: an indicator that measures the closeness between the instrument measurement value and the true value. High-quality dissolved oxygen analyzers usually have a higher accuracy, such as ±0.5% FS (full scale) or lower.

[0026] Preferably, the sub-region temperature measurement accuracy parameter specifically refers to: a maximum difference between the actual temperature and the measured temperature.

[0027] Preferably, the sub-region temperature compensation maximum range value parameter specifically refers to: the maximum value of the range in which the instrument automatically performs temperature compensation to eliminate the influence of temperature on the dissolved oxygen measurement result.

[0028] Preferably, the sub-area instrument response time parameter specifically refers to:

[0029] The time required for the instrument to display a stable measurement value after contact with the water sample.

[0030] Preferably, the Z-score standardization process is a commonly used data preprocessing method, which converts the original data into a standardized Z-Score by calculating the mean and standard deviation of the original data. This method can eliminate the magnitude differences between data, so that data of different magnitudes can be compared and comprehensively analyzed.

[0031] Preferably, the mathematical model of the sub-region dissolved oxygen concentration measurement effect coefficient is as follows:

[0032] Among them, AQ i Refers to the measurement effect coefficient of dissolved oxygen concentration in sub-area i, m iRefers to the maximum measurement range of dissolved oxygen concentration in the i sub-area, c i refers to the dissolved oxygen concentration resolution of the i sub-region, v i Refers to the accuracy of dissolved oxygen concentration in sub-area i.

[0033] Preferably, the mathematical model of the sub-region temperature influence coefficient is as follows:

[0034] Among them BQ i refers to the temperature influence coefficient of sub-region i, b i Refers to the maximum range of temperature measurement in the i sub-area, f i refers to the temperature measurement accuracy of the i sub-area, k i Refers to the maximum range of temperature compensation in sub-area i.

[0035] Preferably, the mathematical model of other influence coefficients of the sub-region is as follows:

[0036] Among them, CQ i Refers to other influence coefficients of sub-region i, t i refers to the instrument response time of sub-area i, p i refers to the data storage capacity of sub-region i, q i Refers to the instrument calibration cycle in sub-area i.

[0037] Preferably, the mathematical model of the sub-region instrument performance comprehensive index is as follows:

[0038] in Refers to the comprehensive index of instrument performance in the sub-area, AQ i Refers to the measurement effect coefficient of dissolved oxygen concentration in the i-th sub-area, BQ i Refers to the temperature influence coefficient of the i sub-region, CQ i Refers to other influence coefficients of sub-region i, and α1, α2, α3, and α4 refer to weight coefficients.

[0039] Preferably, the weight coefficients α1, α2, and α3 are calculated by an entropy method, and the specific calculation steps of the entropy method are as follows:

[0040] Data standardization: Since the measurement units of various indicators may be different, in order to eliminate the impact of the dimension, the collected data needs to be standardized. Commonly used standardization methods include Z-score standardization and range method standardization;

[0041] Calculate the proportion of indicators: Calculate the proportion of the i-th sample value under the j-th indicator to the sum of all sample values ​​of the indicator. This step is the basis for the subsequent calculation of information entropy;

[0042] Calculate information entropy: According to the definition and calculation formula of information entropy, calculate the information entropy ej of the jth indicator. The smaller the information entropy, the greater the degree of variation of the indicator and the greater the amount of information provided;

[0043] Calculate information entropy redundancy: Information entropy redundancy dj is the complement of information entropy, that is, dj = 1-ej. The greater the information entropy redundancy, the more information the indicator contains, and the greater the impact on the comprehensive evaluation;

[0044] Calculate weight: Calculate the weight of each indicator in the comprehensive evaluation according to its information entropy redundancy. The weight coefficient is the ratio of the information entropy redundancy of each indicator to the sum of the information entropy redundancy of all indicators.

[0045] Preferably, the mathematical model of the target area instrument performance comprehensive index is as follows:

[0046] in Refers to the comprehensive index of instrument performance in the target area. Refers to the comprehensive index of instrument performance in the sub-region.

[0047] Preferably, the preset value is a warning value obtained based on industry practical experience to evaluate the dissolved oxygen measurement effect of the dissolved oxygen analyzer, the adaptability of the instrument to different temperatures, the equipment response speed and the equipment information storage capacity. When the target area instrument performance comprehensive index of the target area is lower than the preset value, it means that the dissolved oxygen measurement effect of the dissolved oxygen analyzer in the area is poor, the adaptability of the instrument to different temperatures is poor, the equipment response speed is low and the equipment information storage capacity is low, and corresponding measures need to be taken to reduce risks.

[0048] Preferably, when the comparison result of the interactive feedback step is lower than a preset value, the system will trigger an alarm function on the terminal, send a warning signal to the management personnel in the form of sound, vibration and pop-up window, and provide relevant parameters, and use artificial intelligence to help the management personnel analyze the reasons affecting the comprehensive index of instrument performance in the target area, and further track down specific aspects affecting the comprehensive performance, such as poor dissolved oxygen measurement effect of the dissolved oxygen analyzer, poor adaptability of the instrument to different temperatures, low equipment response speed and low equipment information storage capacity.

[0049] Technical effects and advantages of the present invention:

[0050] 1. The present invention realizes real-time and comprehensive monitoring of the target area through precise area division. The target area is divided into several sub-areas through the sub-area division module, and basic information is collected in each sub-area. The basic information includes sub-area dissolved oxygen concentration maximum measurement range value information, sub-area dissolved oxygen concentration resolution information, sub-area dissolved oxygen concentration accuracy information, sub-area temperature measurement maximum range value information, sub-area temperature measurement accuracy information, sub-area temperature compensation maximum range value information, sub-area instrument response time information, sub-area data storage capacity information, sub-area instrument calibration cycle information, covering three aspects of dissolved oxygen concentration related information, temperature related information, and instrument performance information of the dissolved oxygen analyzer, thereby providing a more comprehensive and detailed monitoring means for the overall performance of the dissolved oxygen analyzer;

[0051] 2. By conducting an in-depth analysis of the collected data, the present invention establishes a mathematical model that can comprehensively measure the overall performance of the dissolved oxygen analyzer. By establishing such a comprehensive model, the present invention can better measure the overall performance of the dissolved oxygen analyzer from different dimensions. This comprehensive evaluation method can more comprehensively understand the comprehensive effect of the overall performance of the dissolved oxygen analyzer during actual operation, thereby improving the overall work efficiency and quality of the dissolved oxygen analyzer. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a schematic diagram of the overall structure of the present invention. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] As attached Figure 1 A dissolved oxygen analysis instrument and analysis method shown include a sub-area division step, a sub-area analyzer information collection step, a sub-area data standardization processing step, a sub-area analyzer comprehensive analysis step, a target area analyzer comprehensive analysis step, an analyzer comprehensive judgment step and an interactive feedback step.

[0055] The sub-area division step is used to use the analyzer data to be monitored as the target monitoring area, divide the target monitoring area into sub-monitoring areas according to the timestamp, and mark them as 1, 2, 3...i in sequence;

[0056] The sub-region analyzer information collection step includes a dissolved oxygen concentration related information collection step, a temperature related information collection step and an instrument performance information collection step, which are used to collect data on the sub-region to obtain comprehensive parameters;

[0057] In a preferred technical solution of the present application, the specific method for obtaining the comprehensive parameters of each sub-region in the sub-region analyzer information collection step is as follows:

[0058] It should be specifically explained in this embodiment that the comprehensive parameter refers to the sub-region dissolved oxygen concentration maximum measurement range parameter, the sub-region dissolved oxygen concentration resolution parameter, the sub-region dissolved oxygen concentration accuracy parameter, the sub-region temperature measurement maximum range parameter, the sub-region temperature measurement precision parameter, the sub-region temperature compensation maximum range parameter, the sub-region instrument response time parameter, the sub-region data storage capacity parameter, and the sub-region instrument calibration period parameter;

[0059] The parameter of the maximum measurement range value of dissolved oxygen concentration in the sub-region refers to the maximum measurement range value m of dissolved oxygen concentration in the i sub-region i ;

[0060] The sub-region dissolved oxygen concentration resolution parameter refers to the sub-region dissolved oxygen concentration resolution c i ;

[0061] The sub-area dissolved oxygen concentration accuracy parameter refers to the dissolved oxygen concentration accuracy v of the i sub-area i ;

[0062] The sub-area temperature measurement maximum range parameter refers to the maximum range value b of the sub-area temperature measurement i ;

[0063] The sub-region temperature measurement accuracy parameter refers to the temperature measurement accuracy of the i sub-region f i ;

[0064] The sub-region temperature compensation maximum range parameter refers to the maximum range value k of the temperature compensation of the i sub-region i ;

[0065] The sub-area instrument response time parameter refers to the sub-area instrument response time t i ;

[0066] The sub-region data storage capacity parameter refers to the data storage capacity p of the i sub-region i ;

[0067] The sub-area instrument calibration period parameter refers to the sub-area instrument calibration period q i ;

[0068] It should be specifically explained in this embodiment that the maximum measurement range value parameter of sub-region dissolved oxygen concentration, the resolution parameter of sub-region dissolved oxygen concentration, the accuracy parameter of sub-region dissolved oxygen concentration, the maximum range value parameter of sub-region temperature measurement, the precision parameter of sub-region temperature measurement, the maximum range value parameter of sub-region temperature compensation, the instrument response time parameter of sub-region, and the data storage capacity parameter of sub-region are all obtained by conventional methods or conventional equipment, for example, by directly collecting instrument parameters, so this embodiment does not make specific limitations;

[0069] It should be specifically explained in this embodiment that the sub-area dissolved oxygen concentration resolution parameter specifically refers to: the minimum dissolved oxygen change that the instrument can measure. A high-resolution instrument can more accurately reflect the slight change in dissolved oxygen, with a unit of 0.1 μg / L;

[0070] It should be specifically explained in this embodiment that the sub-area dissolved oxygen concentration accuracy parameter specifically refers to: an indicator that measures the closeness between the instrument measurement value and the true value. High-quality dissolved oxygen analyzers usually have a higher accuracy, such as ±0.5% FS (full scale) or lower;

[0071] It should be specifically explained in this embodiment that the sub-region temperature measurement accuracy parameter specifically refers to: the maximum difference between the actual temperature and the measured temperature;

[0072] It should be specifically explained in this embodiment that the sub-region temperature compensation maximum range value parameter specifically refers to: the maximum value of the range in which the instrument automatically performs temperature compensation to eliminate the influence of temperature on the dissolved oxygen measurement result;

[0073] It should be specifically explained in this embodiment that the sub-area instrument response time parameter specifically refers to:

[0074] The time required for the instrument to display a stable measurement value after contact with the water sample.

[0075] The sub-region data standardization processing step is used to standardize the collected data, and the effect of eliminating the influence of dimension is achieved by performing Z-score standardization on the collected data, and the processed data is output to the sub-region analyzer comprehensive analysis step.

[0076] It should be specifically noted in this embodiment that the Z-score standardization process is a commonly used data preprocessing method, which converts the original data into a standardized Z-Score by calculating the mean and standard deviation of the original data. This method can eliminate the magnitude differences between data, so that data of different magnitudes can be compared and comprehensively analyzed.

[0077] The sub-region analyzer comprehensive analysis step is used to import the data processed in the sub-region data standardization processing step into the mathematical model of the sub-region dissolved oxygen concentration measurement effect coefficient, the mathematical model of the sub-region temperature influence coefficient, the mathematical model of the sub-region other influence coefficients and the mathematical model of the sub-region instrument performance comprehensive index and calculate to obtain the sub-region dissolved oxygen concentration measurement effect coefficient, the sub-region temperature influence coefficient, the sub-region other influence coefficients and the sub-region instrument performance comprehensive index;

[0078] It should be specifically explained in this embodiment that the mathematical model of the sub-region dissolved oxygen concentration measurement effect coefficient is as follows:

[0079] Among them, AQ i Refers to the measurement effect coefficient of dissolved oxygen concentration in sub-area i, m i Refers to the maximum measurement range of dissolved oxygen concentration in the i sub-area, c i refers to the dissolved oxygen concentration resolution of the i sub-region, v i Refers to the accuracy of dissolved oxygen concentration in sub-area i;

[0080] It should be specifically explained in this embodiment that the mathematical model of the sub-region temperature influence coefficient is as follows:

[0081] Among them BQ i refers to the temperature influence coefficient of sub-region i, b i Refers to the maximum range of temperature measurement in the i sub-area, f i refers to the temperature measurement accuracy of the i sub-area, k i Refers to the maximum range value of temperature compensation in sub-area i;

[0082] It should be specifically explained in this embodiment that the mathematical model of other influence coefficients of the sub-region is as follows:

[0083] Among them, CQ i Refers to other influence coefficients of sub-region i, t i refers to the instrument response time of sub-area i, p i refers to the data storage capacity of sub-region i, q i Refers to the instrument calibration cycle in sub-area i;

[0084] It should be specifically explained in this embodiment that the mathematical model of the sub-region instrument performance comprehensive index is as follows:

[0085] in Refers to the comprehensive index of instrument performance in the sub-area, AQ i Refers to the measurement effect coefficient of dissolved oxygen concentration in the i-th sub-area, BQ i Refers to the temperature influence coefficient of the i sub-region, CQ irefers to other influence coefficients of sub-region i, α1, α2, α3, and α4 refer to weight coefficients;

[0086] It should be specifically explained in this embodiment that the weight coefficients α1, α2, and α3 are calculated by an entropy method, and the specific calculation steps of the entropy method are as follows:

[0087] Data standardization: Since the measurement units of various indicators may be different, in order to eliminate the impact of the dimension, the collected data needs to be standardized. Commonly used standardization methods include Z-score standardization and range method standardization;

[0088] Calculate the proportion of indicators: Calculate the proportion of the i-th sample value under the j-th indicator to the sum of all sample values ​​of the indicator. This step is the basis for the subsequent calculation of information entropy;

[0089] Calculate information entropy: According to the definition and calculation formula of information entropy, calculate the information entropy ej of the jth indicator. The smaller the information entropy, the greater the degree of variation of the indicator and the greater the amount of information provided;

[0090] Calculate information entropy redundancy: Information entropy redundancy dj is the complement of information entropy, that is, dj = 1-ej. The greater the information entropy redundancy, the more information the indicator contains, and the greater the impact on the comprehensive evaluation;

[0091] Calculate weight: Calculate the weight of each indicator in the comprehensive evaluation according to its information entropy redundancy. The weight coefficient is the ratio of the information entropy redundancy of each indicator to the sum of the information entropy redundancy of all indicators.

[0092] The target area accessory processing comprehensive analysis step is used to import the data obtained in the sub-area accessory processing comprehensive analysis step into the mathematical model of the target area instrument performance comprehensive index and perform calculations to obtain the target area instrument performance comprehensive index;

[0093] It should be specifically explained in this embodiment that the mathematical model of the target area instrument performance comprehensive index is as follows:

[0094] in Refers to the comprehensive index of instrument performance in the target area. Refers to the comprehensive index of instrument performance in the sub-region.

[0095] The analyzer comprehensive judgment step is used to compare the target area instrument performance comprehensive index with the preset value, and input the comparison result into the interactive feedback step;

[0096] What needs to be specifically explained in this embodiment is that the preset value is a warning value for evaluating the dissolved oxygen measurement effect of the dissolved oxygen analyzer, the adaptability of the instrument to different temperatures, the equipment response speed and the equipment information storage capacity obtained based on industry practical experience. When the target area instrument performance comprehensive index of the target area is lower than the preset value, it means that the dissolved oxygen measurement effect of the dissolved oxygen analyzer in the area is poor, the adaptability of the instrument to different temperatures is poor, the equipment response speed is low and the equipment information storage capacity is low, and corresponding measures need to be taken to reduce the risk.

[0097] The interactive feedback step is used to import the comparison result into the administrator terminal, and when the comparison result of the comprehensive index of instrument performance in the target area is lower than the preset value, an alarm will be issued to the administrator's equipment;

[0098] What needs to be specifically explained in this embodiment is that when the comparison result of the interactive feedback step is lower than the preset value, the system will trigger the alarm function on the terminal, send a warning signal to the management personnel in the form of sound, vibration and pop-up window, and give relevant parameters, and use artificial intelligence to help management personnel analyze the reasons affecting the comprehensive index of instrument performance in the target area, and further track down specific aspects affecting the comprehensive performance, such as poor dissolved oxygen measurement effect of the dissolved oxygen analyzer, poor adaptability of the instrument to different temperatures, low equipment response speed and low equipment information storage capacity.

[0099] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0100] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dissolved oxygen analysis instrument and analysis method, characterized in that: include: Sub-region division step, sub-region analyzer information collection step, sub-region data standardization processing step, sub-region analyzer comprehensive analysis step, target region analyzer comprehensive analysis step, analyzer comprehensive judgment step and interactive feedback step; S1: Sub-area division: used to divide the data of the analyzer to be monitored into the target monitoring area, divide the target monitoring area into sub-monitoring areas according to the timestamp, and mark them as 1, 2, 3...i in sequence; S2: Sub-area analyzer information collection: including dissolved oxygen concentration related information collection steps, temperature related information collection steps and instrument performance information collection steps, which are used to collect data for the sub-area to obtain comprehensive parameters; S3: Sub-region data standardization processing: Sub-region data standardization processing: It is used to standardize the collected data, eliminate the effect of dimension by performing Z-score standardization on the collected data, and output the processed data to the sub-region analyzer comprehensive analysis step; S4: Sub-region analyzer comprehensive analysis: used to import the data processed in the sub-region data standardization processing step into the mathematical model of the sub-region dissolved oxygen concentration measurement effect coefficient, the mathematical model of the sub-region temperature influence coefficient, the mathematical model of the sub-region other influence coefficients and the mathematical model of the sub-region instrument performance comprehensive index and calculate, to obtain the sub-region dissolved oxygen concentration measurement effect coefficient, the sub-region temperature influence coefficient, the sub-region other influence coefficients and the sub-region instrument performance comprehensive index; S5: Comprehensive analysis of parts processing in target area: used to import the data obtained in the step of comprehensive analysis of parts processing in sub-areas into the mathematical model of comprehensive index of instrument performance in target area and perform calculation to obtain comprehensive index of instrument performance in target area; S6: Analyzer comprehensive judgment: used to compare the comprehensive index of instrument performance in the target area with the preset value, and input the comparison result into the interactive feedback step; S7: Interactive feedback: used to import the comparison results into the administrator terminal. When the comparison result of the comprehensive index of instrument performance in the target area is lower than the preset value, an alarm will be issued to the administrator's equipment.

2. A dissolved oxygen analysis instrument and analysis method according to claim 1, characterized in that: The specific method for obtaining the comprehensive parameters of each sub-region in the sub-region analyzer information collection step is as follows: Comprehensive parameters refer to sub-area dissolved oxygen concentration maximum measurement range parameter, sub-area dissolved oxygen concentration resolution parameter, sub-area dissolved oxygen concentration accuracy parameter, sub-area temperature measurement maximum range parameter, sub-area temperature measurement precision parameter, sub-area temperature compensation maximum range parameter, sub-area instrument response time parameter, sub-area data storage capacity parameter, and sub-area instrument calibration period parameter; The parameter of the maximum measurement range value of dissolved oxygen concentration in the sub-region refers to the maximum measurement range value m of dissolved oxygen concentration in the i sub-region i ; The sub-region dissolved oxygen concentration resolution parameter refers to the sub-region dissolved oxygen concentration resolution c i ; The sub-area dissolved oxygen concentration accuracy parameter refers to the dissolved oxygen concentration accuracy v of the i sub-area i ; The sub-area temperature measurement maximum range parameter refers to the maximum range value b of the sub-area temperature measurement i ; The sub-region temperature measurement accuracy parameter refers to the temperature measurement accuracy of the i sub-region f i ; The sub-region temperature compensation maximum range parameter refers to the maximum range value k of the temperature compensation of the i sub-region i ; The sub-area instrument response time parameter refers to the sub-area instrument response time t i ; The sub-region data storage capacity parameter refers to the data storage capacity p of the i sub-region i ; The sub-area instrument calibration period parameter refers to the sub-area instrument calibration period q i .

3. A dissolved oxygen analysis instrument and analysis method according to claim 1, characterized in that: The mathematical model of the sub-area dissolved oxygen concentration measurement effect coefficient is as follows: Among them, AQ i Refers to the measurement effect coefficient of dissolved oxygen concentration in sub-area i, m i Refers to the maximum measurement range of dissolved oxygen concentration in the i sub-area, c i refers to the dissolved oxygen concentration resolution of the i sub-region, v i Refers to the accuracy of dissolved oxygen concentration in sub-area i.

4. A dissolved oxygen analysis instrument and analysis method according to claim 1, characterized in that: The mathematical model of the sub-region temperature influence coefficient is as follows: Among them BQ i refers to the temperature influence coefficient of sub-region i, b i Refers to the maximum range of temperature measurement in the i sub-area, f i refers to the temperature measurement accuracy of the i sub-area, k i Refers to the maximum range of temperature compensation in sub-area i.

5. A dissolved oxygen analysis instrument and analysis method according to claim 1, characterized in that: The mathematical model of other influencing coefficients of the sub-area is as follows: Among them, CQ i Refers to other influence coefficients of sub-region i, t i refers to the instrument response time of sub-area i, p i refers to the data storage capacity of sub-region i, q i Refers to the instrument calibration cycle in sub-area i.

6. A dissolved oxygen analysis instrument and analysis method according to claim 1, characterized in that: The mathematical model of the sub-area instrument performance comprehensive index is as follows: in Refers to the comprehensive index of instrument performance in the sub-area, AQ i Refers to the measurement effect coefficient of dissolved oxygen concentration in the i-th sub-area, BQ i Refers to the temperature influence coefficient of the i sub-region, CQ i Refers to other influence coefficients of sub-region i, and α1, α2, α3, and α4 refer to weight coefficients.

7. A dissolved oxygen analysis instrument and analysis method according to claim 1, characterized in that: The mathematical model of the target area instrument performance comprehensive index is as follows: in Refers to the comprehensive index of instrument performance in the target area. Refers to the comprehensive index of instrument performance in the sub-region.

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