A sewage online monitoring system based on data analysis

Abstract

The invention relates to the technical field of online sewage monitoring, and discloses an online sewage monitoring system based on data analysis, comprising a reagent storage module, a water quality detection module, a liquid extraction module, a reagent delivery module, a reagent monitoring module, a reagent detection module and an analysis control module, wherein a plurality of water quality detection reagents are stored in the reagent storage module; the reagent monitoring module monitors a plurality of water quality detection reagents, and obtains reagent monitoring data of each water quality detection reagent; then, through the reagent detection module, each water quality detection reagent is extracted and the detection reagent is detected, and reagent detection data is obtained; then, through the analysis control module, the reagent monitoring data and the reagent detection data are analyzed, the RGB color difference of each water quality detection reagent is obtained, and the accuracy of the water quality detection data is judged according to the RGB color difference; the staff understands that the water quality detection is abnormal according to the accuracy of the water quality detection data, and promptly reminds the staff that the water quality detection data is inaccurate due to the deterioration of the water quality detection reagent.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage online monitoring, and in particular to a sewage online monitoring system based on data analysis. Background Art

[0002] With the development of industry, the amount of industrial wastewater discharged is increasing day by day. In order to reduce the pollution of industrial wastewater to the environment, each factory needs to treat the wastewater and make it meet the discharge standards before discharging it. Usually, factories will use sewage online monitoring systems to obtain sewage water quality data information for online monitoring of water quality.

[0003] The sewage online monitoring system automatically extracts sewage, automatically adds different water quality testing reagents into the sewage to determine the types and contents of various pollutants in the sewage, and judges whether the contents of various pollutants in the sewage meet the standards based on the test results.

[0004] However, since various water quality testing reagents are stored in monitoring systems for a long time and some monitoring systems are even installed outdoors, water quality testing reagents are prone to deterioration in high or low temperature environments. Deteriorated water quality testing reagents cannot accurately measure the content of various pollutants in sewage. Therefore, it is difficult to accurately judge whether the content of various pollutants in sewage meets the standards based on the test results, and it is also difficult for monitoring personnel to detect the deterioration of water quality testing reagents in a timely manner. Summary of the invention

[0005] The purpose of the present invention is to provide a sewage online monitoring system based on data analysis to solve the following technical problems:

[0006] How to enable monitoring personnel to detect deterioration of water quality testing reagents in a timely manner.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] A sewage online monitoring system based on data analysis, the sewage online monitoring system comprising:

[0009] Reagent storage module, used to store a variety of water quality testing reagents;

[0010] A water quality testing module is used to test water quality and obtain water quality testing data;

[0011] A liquid pumping module, connected to the water quality detection module, is used to pump a specified amount of sewage into the water quality detection module;

[0012] The reagent delivery module is connected to the water quality detection module and the reagent storage module, and is used to deliver a variety of water quality detection reagents in the reagent storage module into the water quality detection module;

[0013] Reagent monitoring module, used to monitor a variety of water quality testing reagents and obtain reagent monitoring data of each water quality testing reagent;

[0014] The reagent detection module is used to extract various water quality detection reagents, detect the detection reagents, and obtain the reagent detection data;

[0015] The analysis control module is connected to the reagent monitoring module and the reagent detection module, analyzes the reagent monitoring data and the reagent detection data, obtains the RGB color difference of each water quality detection reagent, and judges the accuracy of the water quality detection data according to the RGB color difference.

[0016] As a further solution of the present invention: the reagent monitoring data includes the real-time temperature of the reagent storage module and the pressure value of each water quality detection reagent on the bottom of the reagent storage module;

[0017] The reagent detection data includes the reagent detection time;

[0018] The water quality detection data includes water quality detection time.

[0019] As a further solution of the present invention: the process of obtaining the RGB color difference value of the analysis module is:

[0020] S1: Number each water quality testing reagent separately, numbered as i, i∈[1,+∞];

[0021] S2: Analyze the real-time temperature and pressure values ​​through the analysis control module to determine the status index of each water quality testing reagent;

[0022] S3: Compare the status index of each water quality detection reagent with the first preset threshold value to determine whether each water quality detection reagent needs to be tested;

[0023] S4: If the water quality detection reagent is determined to need to be tested, the corresponding water quality detection reagent is extracted through the reagent detection module for testing, and the reagent detection data is obtained;

[0024] S5: Analyze the reagent test data to obtain the RGB color difference of each water quality test reagent.

[0025] As a further solution of the present invention: the state index of the water quality detection reagent numbered i is:

[0026]

[0027] Among them, D i is the state index of the water quality detection reagent numbered i; ti0 is the time when the water quality detection reagent numbered i is stored in the reagent storage module; t n is the current time; T tis the real-time temperature at time t; Ti0 is the preset temperature of the water quality detection reagent numbered i; ΔTi is the allowable deviation value of the temperature of the water quality detection reagent numbered i; Gi n is the real-time pressure at the preset time of the water quality detection reagent numbered i on the same day; Gi p is the predicted pressure at the preset time of the water quality detection reagent numbered i on the same day; g(X) is the first judgment function, when X > 0, g(X) = e CX , C is a preset constant; when X ≤ 0, g(X) = 1; f(X) is the second judgment function, when X ≥ 0, f(X) = X, when X < 0, f(X) = 0; γ1 is the first weight coefficient; γ2 is the second weight coefficient.

[0028] As a further solution of the present invention: comparing the state index D of the water quality detection reagent numbered i i with the first preset threshold,

[0029] When D i > D0, the reagent detection module detects the water quality detection reagent numbered i;

[0030] When D i < D0, the water quality detection reagent numbered i does not need to be detected;

[0031] wherein, D0 is the first preset threshold.

[0032] As a further solution of the present invention: the predicted pressure Gi p is:

[0033]

[0034] wherein, Gi0 is the real-time pressure value when the water quality detection reagent numbered i is stored in the reagent storage module; Si c is the natural loss amount of the water quality detection reagent numbered i in 24 hours; ΔGi c is the preset pressure change amount when the water quality detection reagent numbered i detects water quality each time; Ni is the number of times of detecting water quality of the water quality detection reagent numbered i from ti0 to t n ; ΔGi test is the preset pressure change amount when the water quality detection reagent numbered i detects the reagent each time; Mi is the number of times of detecting the reagent of the water quality detection reagent numbered i from ti0 to t n .

[0035] As a further solution of the present invention: the reagent detection data also includes RGB color data;

[0036] The analysis control module analyzes the RGB color data with the preset RGB color data of the water quality detection reagent numbered i to obtain the RGB color difference.

[0037] As a further solution of the present invention: the accuracy of the water quality detection data is:

[0038]

[0039] Among them, ρ is the accuracy; Z is the number of indicators of water quality test data corresponding to all water quality test reagents whose RGB color difference is not equal to (0,0,0); Q is the total number of indicators of water quality test data.

[0040] Beneficial effects of the present invention:

[0041] (1) The present invention stores a plurality of water quality detection reagents through a reagent storage module; a reagent monitoring module monitors a plurality of water quality detection reagents and obtains reagent monitoring data of each water quality detection reagent; then, through the reagent detection module, each water quality detection reagent is extracted and the detection reagent is detected, and reagent detection data is obtained; then, through the analysis control module, the reagent monitoring data and the reagent detection data are analyzed to obtain the RGB color difference of each water quality detection reagent, and the accuracy of the water quality detection data is determined according to the RGB color difference; the staff understands that there is an abnormality in the water quality detection according to the accuracy of the water quality detection data, and promptly reminds the staff that the water quality detection reagent has deteriorated and needs to be replaced;

[0042] (2) The present invention obtains the status index of each water quality detection reagent by analyzing the real-time temperature and pressure values ​​through the analysis control module; then compares the status index of each water quality detection reagent with the first preset threshold value to determine whether each water quality detection reagent needs to be detected; and performs a preliminary evaluation on the status of the water quality detection reagent; if the water quality detection reagent is determined to need to be detected, the corresponding water quality detection reagent is extracted for detection through the reagent detection module, and the reagent detection data is obtained. By analyzing the reagent detection data, the RGB color difference of each water quality detection reagent is obtained, and the water quality detection reagent that needs to be detected is finely evaluated, so that the accuracy of the water quality detection data is more precise. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] The present invention will be further described below in conjunction with the accompanying drawings.

[0044] Figure 1 A system module framework diagram of an embodiment of the present invention. DETAILED DESCRIPTION

[0045] 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.

[0046] See also Figure 1 As shown, in one embodiment, a sewage online monitoring system based on data analysis is provided, comprising:

[0047] Reagent storage module, used to store a variety of water quality testing reagents;

[0048] A water quality testing module is used to test water quality and obtain water quality testing data;

[0049] A liquid pumping module, connected to the water quality detection module, is used to pump a specified amount of sewage into the water quality detection module;

[0050] The reagent delivery module is connected to the water quality detection module and the reagent storage module, and is used to deliver a variety of water quality detection reagents in the reagent storage module into the water quality detection module;

[0051] Reagent monitoring module, used to monitor a variety of water quality testing reagents and obtain reagent monitoring data of each water quality testing reagent;

[0052] The reagent detection module is used to extract various water quality detection reagents, detect the detection reagents, and obtain the reagent detection data;

[0053] The analysis control module is connected to the reagent monitoring module and the reagent detection module, analyzes the reagent monitoring data and the reagent detection data according to preset rules, obtains the RGB color difference of each water quality detection reagent, and judges the accuracy of the water quality detection data according to the RGB color difference;

[0054] Through the above technical scheme, this embodiment stores a variety of water quality detection reagents through the reagent storage module; when the water quality detection module performs water quality detection, the pumping module is started to pump a specified amount of sewage into the water quality detection module; then the agent delivery module is started to input a variety of water quality detection reagents in the reagent storage module into the water quality detection module to detect the water quality and obtain water quality detection data; a variety of water quality detection reagents are monitored through the reagent monitoring module, and the reagent monitoring data of each water quality detection reagent is obtained; then, through the reagent detection module, each water quality detection reagent is extracted and the detection reagent is detected, and the reagent detection data is obtained; then, the reagent monitoring data and the reagent detection data are analyzed through the analysis and control module, and the RGB color difference of each water quality detection reagent is obtained, and the accuracy of the water quality detection data is judged according to the RGB color difference; the staff understands that there is an abnormality in the water quality detection based on the accuracy of the water quality detection data, and promptly reminds the staff that the water quality detection reagent has deteriorated and needs to be replaced.

[0055] As an embodiment of the present invention, the reagent monitoring data includes the real-time temperature of the reagent storage module and the pressure value of each water quality detection reagent on the bottom of the reagent storage module;

[0056] The reagent detection data includes the reagent detection time;

[0057] The water quality detection data includes the water quality detection time;

[0058] Through the above technical solution, this embodiment obtains the real-time temperature of the reagent storage module through the temperature sensor arranged in the reagent storage module and obtains the pressure value through the pressure sensor arranged at the bottom of each water quality detection reagent.

[0059] As an implementation manner of the present invention, the process of obtaining the RGB color difference value of the analysis module is:

[0060] S1: Number each water quality testing reagent separately, numbered as i, i∈[1,+∞];

[0061] S2: Analyze the real-time temperature and pressure values ​​through the analysis control module to determine the status index of each water quality testing reagent;

[0062] S3: Compare the status index of each water quality detection reagent with the first preset threshold value to determine whether each water quality detection reagent needs to be tested;

[0063] S4: If the water quality detection reagent is determined to need to be tested, the corresponding water quality detection reagent is extracted through the reagent detection module for testing, and the reagent detection data is obtained;

[0064] S5: Analyzing the reagent test data to obtain the RGB color difference of each water quality test reagent;

[0065] Through the above technical scheme, this embodiment numbers each water quality detection reagent separately, numbered as i; then analyzes the real-time temperature and pressure values ​​through the analysis control module to determine the state index of each water quality detection reagent; then compares the state index of each water quality detection reagent with the first preset threshold value to determine whether each water quality detection reagent needs to be detected; performs a preliminary assessment of the state of the water quality detection reagent; if the water quality detection reagent is determined to need to be detected, the corresponding water quality detection reagent is extracted through the reagent detection module for detection, and the reagent detection data is obtained, and the RGB color difference of each water quality detection reagent is obtained by analyzing the reagent detection data, and the water quality detection reagent that needs to be detected is finely evaluated to make the accuracy of the water quality detection data more accurate; after the detection, the water quality detection reagent is discharged from the reagent detection module, and the reagent detection module is automatically cleaned to prevent interference when the next water quality detection reagent is detected.

[0066] As an embodiment of the present invention, the state index of the water quality detection reagent numbered i is:

[0067]

[0068] Among them, D i is the state index of the water quality detection reagent numbered i; ti0 is the time when the water quality detection reagent numbered i is stored in the reagent storage module; t n is the current time; T t is the real-time temperature at time t; Ti0 is the preset temperature of the water quality testing reagent numbered i; ΔTi is the allowable deviation value of the temperature of the water quality testing reagent numbered i; Gi n is the real-time pressure of the water quality testing reagent numbered i at the preset time of the day; Gi p is the estimated pressure of the water quality testing reagent numbered i at the preset time of the day; g(X) is the first judgment function, when X>0, g(X)=e CX , C is a preset constant; when X≤0, g(X)=1; f(X) is the second judgment function, when X≥0, f(X)=X, when X<0, f(X)=0; γ1 is the first weight coefficient; γ2 is the second weight coefficient;

[0069] Through the above technical solution, this embodiment uses the formula Calculate the state index D of the water quality testing reagent numbered i i ; T t -Ti0 is the real-time temperature difference between the real-time temperature at time t and the preset temperature of the water quality detection reagent numbered i; |T t -Ti0|-ΔTi is the difference between the real-time temperature difference and the allowable deviation value; when |T t- When |T - Ti0| - ΔTi ≥ 0, it indicates that the real-time temperature difference exceeds the allowable deviation range; when t - When |T - Ti0| - ΔTi < 0, it indicates that the real-time temperature difference is within the allowable deviation range; thus, the state index D i increases; the state index D i is larger, indicating a greater possibility of deterioration; is the cumulative value of the real-time temperature difference exceeding the allowable deviation value from ti0 to t n ; when is larger, the state index D i is larger; t n - ti0 is the time difference between the current time and the time when the water quality detection reagent numbered i is stored in the reagent storage module; when t n - ti0 is larger, the state index D i is larger; Gi n - Gi p > 0 indicates that the real-time pressure of the water quality detection reagent numbered i at the preset time of the day is greater than the expected pressure at the preset time of the day, and it is possible that the water quality detection reagent has produced precipitation. When Gi n - Gi p is larger, the state index D i is larger; Gi n - Gi p ≤ 0, the water quality detection reagent has not produced precipitation; thus, the state index

[0070] It should be noted that the preset temperature Ti0 of the water quality detection reagent numbered i, the allowable temperature deviation value ΔTi of the water quality detection reagent numbered i, the preset constant C, the first weight coefficient γ1, and the second weight coefficient γ2 are preset values obtained according to experience and will not be elaborated here.

[0071] As an implementation manner of the present invention, the state index D i of the water quality detection reagent numbered i is compared with the first preset threshold,

[0072] When D i > D0, the reagent detection module detects the water quality detection reagent numbered i;

[0073] When D i < D0, the water quality detection reagent numbered i does not need to be detected;

[0074] wherein, D0 is the first preset threshold;

[0075] Through the above technical solution, in this embodiment, by comparing the state index D i of the water quality detection reagent numbered i with the first preset threshold, when Di When D > D0, the reagent detection module detects the water quality detection reagent numbered i; when D i < D0, the water quality detection reagent numbered i does not need to be detected;

[0076] It should be noted that the first preset threshold D0 is a preset value, obtained based on experience, and will not be elaborated here.

[0077] As an implementation manner of the present invention, the predicted pressure Gi p is:

[0078]

[0079] where Gi0 is the real-time pressure value when the water quality detection reagent numbered i is stored in the reagent storage module; Si c is the natural loss amount of the water quality detection reagent numbered i in 24 hours; ΔGi c is the preset pressure change amount when the water quality detection reagent numbered i detects water quality each time; Ni is the number of times of detecting water quality of the water quality detection reagent numbered i from ti0 to t n ; ΔGi test is the preset pressure change amount when the water quality detection reagent numbered i detects the reagent each time; Mi is the number of times of detecting the reagent of the water quality detection reagent numbered i from ti0 to t n ;

[0080] Through the above technical solution, in this embodiment is the natural loss amount from ti0 to t n ; ΔGi c *Ni is the cumulative preset change amount used for the water quality detection reagent numbered i to detect water quality from ti0 to t n ; ΔGi test *Mi is the cumulative preset change amount used for the water quality detection reagent numbered i from ti0 to t n ; and then the predicted pressure Gi is obtained; p ;

[0081] It should be noted that the natural loss amount Si c of the water quality detection reagent numbered i in 24 hours, the preset pressure change amount ΔGi c when the water quality detection reagent numbered i detects water quality each time, and the preset pressure change amount ΔGi test when the water quality detection reagent numbered i detects the reagent each time are preset values, and the number of times of detecting water quality Ni and the number of times of detecting the reagent Mi are obtained according to the reagent detection time and the water quality detection time, and will not be elaborated here.

[0082] As an embodiment of the present invention, the reagent detection data also includes RGB color data;

[0083] The analysis control module analyzes the RGB color data with the preset RGB color data of the water quality detection reagent numbered i to obtain the RGB color difference;

[0084] When the RGB color difference is not equal to (0,0,0), it means that the color of the reagent has changed;

[0085] Through the above technical scheme, this embodiment sets an image acquisition device in the reagent detection module, specifically a camera, to obtain image data of the water quality detection reagent in the reagent detection module under preset light, and then identifies the RGB color data of the water quality detection reagent in the image data through the analysis control module, and then analyzes the RGB color data with the preset RGB color data of the water quality detection reagent numbered i to obtain the RGB color difference; it is only necessary to set an image acquisition device in the reagent detection module to collect the water quality detection data that may be deteriorated and obtain the RGB color data.

[0086] It should be noted that after the unspoiled water quality testing reagent is placed in the reagent testing module, the image data obtained under the preset light is then analyzed and controlled by the control module to identify the RGB color data of the water quality testing reagent in the image data as the preset RGB color data.

[0087] As an embodiment of the present invention, the accuracy of the water quality detection data is:

[0088]

[0089] Among them, ρ is the accuracy; Z is the number of indicators of water quality test data corresponding to all water quality test reagents whose RGB color difference is not equal to (0,0,0); Q is the total number of indicators of water quality test data;

[0090] Through the above technical solution, this embodiment The ratio of the number of water quality test data indicators corresponding to all water quality test reagents (RGB color difference is not equal to 0,0,0) to the total number of water quality test data indicators; then through the formula Calculate the accuracy of water quality test data; The larger is, the smaller is ρ;

[0091] It should be noted that the number of indicators of water quality testing data corresponding to each water quality testing reagent is a fixed value, which is obtained based on experience and will not be elaborated here.

[0092] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A sewage online monitoring system based on data analysis, characterized in that: The sewage online monitoring system comprises: Reagent storage module, used to store a variety of water quality testing reagents; A water quality testing module, used to test water quality and obtain water quality testing data; A liquid pumping module, connected to the water quality detection module, is used to pump a specified amount of sewage into the water quality detection module; The reagent delivery module is connected to the water quality detection module and the reagent storage module, and is used to deliver a variety of water quality detection reagents in the reagent storage module into the water quality detection module; Reagent monitoring module, used to monitor a variety of water quality testing reagents and obtain reagent monitoring data of each water quality testing reagent; The reagent detection module is used to extract various water quality detection reagents, detect the detection reagents, and obtain the reagent detection data; The analysis control module is connected to the reagent monitoring module and the reagent detection module, analyzes the reagent monitoring data and the reagent detection data, obtains the RGB color difference of each water quality detection reagent, and determines the accuracy of the water quality detection data according to the RGB color difference; The process of obtaining the RGB color difference value of the analysis control module is as follows: S1: Number each water quality testing reagent separately, number them as follows: i , ; S2: Analyze the real-time temperature and pressure values ​​through the analysis control module to determine the status index of each water quality testing reagent; S3: Compare the status index of each water quality detection reagent with the first preset threshold value to determine whether each water quality detection reagent needs to be tested; S4: If the water quality detection reagent is determined to need to be tested, the corresponding water quality detection reagent is extracted through the reagent detection module for testing, and the reagent detection data is obtained; S5: Analyzing the reagent test data to obtain the RGB color difference of each water quality test reagent; The number is i The status index of water quality testing reagents is: ； in, For the number i Status index of water quality testing reagents; For the number i The time when the water quality testing reagent is stored in the reagent storage module; is the current time; for t Real-time temperature at the moment; For the number i The preset temperature of the water quality testing reagent; For the number i The allowable deviation value of the temperature of water quality testing reagents; For the number i The real-time pressure of the water quality testing reagent at the preset time of the day; For the number i The expected pressure of the water quality test reagent at the preset time of the day; is the first judgment function, when hour, , is a preset constant; when hour, ; is the second judgment function, when hour, ,when hour, ; is the first weight coefficient; is the second weight coefficient; The number is i Status index of water quality testing reagents Compared with the first preset threshold, when When the reagent detection module is numbered i Water quality testing reagents are used for testing; when When i Water quality testing reagents do not need to be tested; in, is the first preset threshold; The estimated pressure for: ； in, For the number i The real-time pressure value of the water quality testing reagent stored in the reagent storage module; For the number i The natural loss of water quality testing reagents in 24 hours; For the number i The water quality testing reagent has a preset pressure change each time it tests the water quality; For the number i Water quality testing reagents in to The number of times water quality is tested; For the number i The water quality testing reagent has a preset pressure change each time the reagent is tested; For the number i Water quality testing reagents in to The number of detection reagents.

2. The sewage online monitoring system based on data analysis according to claim 1 is characterized in that: The reagent monitoring data includes the real-time temperature of the reagent storage module and the pressure value of each water quality detection reagent on the bottom of the reagent storage module; The reagent detection data includes the reagent detection time; The water quality detection data includes water quality detection time.

3. The sewage online monitoring system based on data analysis according to claim 2 is characterized in that: The reagent detection data also includes RGB color data; The analysis control module compares the RGB color data with the number i The water quality testing reagent presets RGB color data for analysis to obtain RGB color difference.

4. The sewage online monitoring system based on data analysis according to claim 3 is characterized in that: The accuracy of the water quality test data is: ； in, For accuracy; The RGB color difference is not equal to The number of indicators of water quality testing data corresponding to all water quality testing reagents; It is the total number of indicators of water quality testing data.

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