CN116225084A - Water environment data monitoring system and method - Google Patents
Water environment data monitoring system and method Download PDFInfo
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Abstract
The invention relates to the technical field of water environment data monitoring, in particular to a water environment data monitoring system and a method, wherein the system comprises the following steps: the sampling module is used for acquiring water environment parameters and comprises: the diffusion area of the pollutants on the surface of the water body and the turbidity of the downstream water body; the data processing module is used for obtaining the total pollutant ratio of the water bottom layer through operation processing; the storage module is used for storing the water environment parameters and the total water body bottom pollutant ratio output by the data processing module; the method comprises the steps of adjusting the number of standard sampling points of a unit water body width to a corresponding number according to the diffusion area of pollutants on the water body surface, adjusting the standard pollutant concentration mutation value of a cut section to a corresponding mutation value according to the total pollutant duty ratio of the water body bottom layer, and adjusting the pollutant actual monitoring value of a downstream water body according to the turbidity of the downstream water body; the invention realizes the improvement of the accuracy of the monitoring data.
Description
Technical Field
The invention relates to the technical field of water environment data monitoring, in particular to a water environment data monitoring system and method.
Background
The water environment refers to the environment in which water is formed, distributed and transformed in the natural world. Refers to the population surrounding space and the water body which can directly or indirectly influence the life and development of human beings, and the general of various natural factors and related social factors of the normal functions of the water body. Also referred to are relatively stable, land-based environments in the space in which the natural body of water is located. The water environment is one of the basic elements constituting the environment, is an important place for the survival and development of human society, and is the field most severely interfered and destroyed by human beings; pollution and destruction of the aqueous environment has become one of the major environmental problems in the world today.
Chinese patent publication No. CN112541028B discloses a water environment big data monitoring system, comprising: the ecological environment monitoring network is used for monitoring the ecological environment in real time and acquiring ecological environment data; the ecological environment protection big data cloud platform is used for establishing an ecological environment protection big data center by adopting a data sharing exchange algorithm according to ecological environment data; and the big data application platform is used for analyzing the ecological environment data by adopting a multidimensional space-time big data analysis algorithm. From this, the water environment big data detection system has the following problems: the water pollution monitoring accuracy is reduced due to pollutant sedimentation and water impact of the bottom pollutant under the condition of height difference.
Disclosure of Invention
Therefore, the invention provides a water environment data monitoring system and a water environment data monitoring method, which are used for solving the problem that in the prior art, the water pollution monitoring accuracy is reduced due to pollutant sedimentation and impact of water on bottom pollutants under the condition of height difference.
In order to achieve the above object, the present invention provides a water environment data monitoring system, including: the sampling module is used for acquiring water environment parameters, and the water environment parameters comprise: the diffusion area of the pollutants on the surface of the water body, the turbidity of the downstream water body and the total amount of the pollutants on the bottom layer of the water body; the data processing module is connected with the sampling module and is used for obtaining the total pollutant duty ratio of the water bottom layer through operation processing; the storage module is respectively connected with the sampling module and the data processing module and is used for storing the water environment parameters and the total water body bottom pollutant ratio output by the data processing module; the central control module is respectively connected with the sampling module, the data processing module and the storage module and is used for adjusting the standard sampling point number of the unit water body width to a corresponding number according to the diffusion area of the water body surface pollutant detected by the visual detector, adjusting the standard pollutant concentration mutation value of the cut section to a corresponding mutation value according to the total pollutant duty ratio of the water body bottom layer, and adjusting the pollutant actual monitoring value of the downstream water body to a corresponding value according to the turbidity of the downstream water body.
Further, the central control module determines whether the pollution degree of the water body is within an allowable range according to three types of judging methods of the diffusion area of the pollutant on the surface of the water body, wherein,
the first type of judging method is that the central control module judges that the pollution degree of the water body is in an allowable range under the condition of presetting a first diffusion area;
the second type of judging method is that the central control module judges that the pollution degree of the water body exceeds the allowable range under the condition of presetting a second diffusion area, primarily judges that the pollutant sedimentation degree is lower than the allowable range, and judges whether the pollutant sedimentation degree is lower than the allowable range for the second time according to the total pollutant occupation ratio of the bottom layer of the water body;
the third type of judging method is that the central control module judges that the pollution degree of the water body exceeds the allowable range under the condition of presetting a third diffusion area, and the standard sampling point number of the unit water body width is adjusted to the corresponding number by calculating the difference value of the diffusion area of the pollutant on the water body surface and the preset second diffusion area;
the preset first diffusion area condition is that the diffusion area of the pollutants on the surface of the water body is smaller than or equal to the preset first diffusion area; the preset second diffusion area condition is that the diffusion area of the pollutant on the surface of the water body is larger than the preset first diffusion area and smaller than or equal to the preset second diffusion area; the preset third diffusion area condition is that the diffusion area of the pollutant on the surface of the water body is larger than the preset second diffusion area; the preset first diffusion area is smaller than the preset second diffusion area.
Further, the central control module determines three types of adjustment modes for the standard sampling point number of the unit water body width according to the difference value between the calculated diffusion area of the water body surface pollutant and the preset second diffusion area, wherein,
the first type of adjustment mode is that the central control module adjusts the number of standard sampling points of the unit water body width to the number of preset standard sampling points under the condition of presetting a first diffusion area difference value;
the second type of adjustment mode is that the central control module uses a preset first quantity adjustment coefficient to adjust and raise the quantity of standard sampling points of the unit water body width to a first quantity under the condition of presetting a second diffusion area difference value;
the third type of adjustment mode is that the central control module adjusts and increases the number of standard sampling points of the unit water body width to a second number by using a preset second number adjustment coefficient under the condition of presetting a third diffusion area difference value;
the difference value of the preset first diffusion area is smaller than or equal to the difference value of the preset first diffusion area; the second diffusion area difference value condition is that the difference value between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is larger than the preset first diffusion area difference value and smaller than or equal to the preset second diffusion area difference value; the preset third diffusion area difference value condition is that the difference value between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is larger than the preset second diffusion area difference value; the preset first diffusion area difference value is smaller than the preset second diffusion area difference value, and the preset first quantity adjusting coefficient is smaller than the preset second quantity adjusting coefficient.
Further, the central control module determines whether the sedimentation degree of pollutants is lower than the allowable range according to the total pollutant duty ratio of the water bottom layer, wherein,
the first-class sedimentation degree secondary judging method is that the central control module judges that the sedimentation degree of pollutants is lower than an allowable range for the second time under the condition of a preset first duty ratio, and the standard pollutant concentration mutation value of the cut section is adjusted to a corresponding mutation value by calculating the difference value of the total amount duty ratio of pollutants at the bottom layer of the water body and the preset total amount duty ratio;
the second type of sedimentation degree secondary judging method is that the central control module secondarily judges that the sedimentation degree of pollutants is in an allowable range under the condition of a preset second duty ratio;
the preset first duty ratio condition is that the total amount of pollutants at the bottom layer of the water body is smaller than or equal to the preset total amount duty ratio; the preset second duty ratio condition is that the total amount of pollutants at the bottom layer of the water body is larger than the preset total amount duty ratio.
Further, the calculation formula of the total pollutant ratio of the water bottom layer is as follows:
wherein P is the total pollutant ratio of the water bottom layer, Q 1 Q is the total amount of bottom pollutant Total (S) Is the total amount of pollutants.
Further, the central control module determines three types of adjustment modes aiming at the standard pollutant concentration mutation value of the cut section according to the difference value of the total pollutant duty ratio of the water bottom layer and the preset total pollutant duty ratio, wherein,
The first type of abrupt change value adjusting mode is that the central control module does not adjust the abrupt change value of the standard pollutant concentration under the condition of presetting a first duty ratio difference value;
the second type of abrupt change value adjusting mode is that the central control module adjusts the abrupt change value of the standard pollutant concentration to a first abrupt change value of concentration by using a preset first abrupt change value adjusting coefficient under the condition of a preset second duty ratio difference value;
the third type of abrupt change value adjusting mode is that the central control module adjusts the abrupt change value of the standard pollutant concentration to a second abrupt change value of the concentration by using a preset second abrupt change value adjusting coefficient under the condition of a preset third duty ratio difference value;
the preset first duty ratio difference condition is that the difference value between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is smaller than or equal to the preset first total amount duty ratio difference value; the preset second duty ratio difference condition is that the difference between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is larger than the preset first total amount duty ratio difference and smaller than or equal to the preset second total amount duty ratio difference; the preset third duty ratio difference condition is that the difference between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is larger than the preset second total amount duty ratio difference; the preset first total amount duty ratio difference is smaller than the preset second total amount duty ratio difference, and the preset first abrupt change value adjusting coefficient is smaller than the preset second abrupt change value adjusting coefficient.
Further, the central control module determines whether the impacted diffusion degree of the pollutant is within the allowable range according to the downstream water turbidity detected by the turbidity sensor, wherein,
the first turbidity judging method is that the central control module judges that the impacted diffusion degree of the pollutant is in an allowable range under the condition of presetting first turbidity;
the second type of turbidity judging method is that the central control module judges that the impacted diffusion degree of the pollutants exceeds the allowable range under the preset second turbidity condition, and the actual monitoring value of the pollutants of the downstream water body is adjusted to the corresponding value by calculating the difference value of the turbidity of the downstream water body and the preset turbidity;
the first preset turbidity condition is that the turbidity of the downstream water body is smaller than or equal to the preset turbidity; the preset second turbidity condition is that the turbidity of the downstream water body is larger than the preset turbidity.
Further, the central control module determines three types of adjustment methods for the actual monitoring value of the pollutants of the downstream water body according to the difference value of the turbidity of the downstream water body and the preset turbidity, wherein,
the first type of monitoring value adjusting method is that the central control module outputs the actual monitoring value of the pollutants of the downstream water body under the condition of presetting a first turbidity difference value;
The second type of monitoring value adjusting method is that the central control module adjusts the actual monitoring value of the pollutants of the downstream water body to a first monitoring value by using a preset second monitoring value adjusting coefficient under the condition of a preset second turbidity difference value;
the third detection value adjusting method is that the central control module adjusts the actual monitoring value of the pollutants of the downstream water body to a second monitoring value by using a preset first monitoring value adjusting coefficient under the condition of presetting a third turbidity difference value;
the preset first turbidity difference condition is that the difference value between the downstream water turbidity and the preset turbidity is smaller than or equal to the preset first turbidity difference value; the preset second turbidity difference value condition is that the difference value between the downstream water turbidity and the preset turbidity is larger than the preset first turbidity difference value and smaller than or equal to the preset second turbidity difference value; the preset third turbidity difference value condition is that the difference value between the downstream water turbidity and the preset turbidity is larger than the preset second turbidity difference value; the preset first turbidity difference value is smaller than the preset second turbidity difference value, and the preset first monitoring value adjusting coefficient is smaller than the preset second monitoring value adjusting coefficient.
Further, the central control module judges whether to correspondingly adjust the number of the water body monitoring sections according to the horizontal distance between the water inlet and the sewage outlet,
If the horizontal distance is smaller than or equal to a preset horizontal distance threshold value, the central control module judges that the number of the water body monitoring sections is not adjusted;
and if the horizontal distance is greater than a preset horizontal distance threshold, the central control module judges that the number of the water body monitoring sections is increased.
The invention also provides a water environment data monitoring method, which comprises the following steps: step S1, acquiring water environment parameters through corresponding sensors arranged in a sampling module, and sending the water environment parameters to a data processing module, wherein the data processing module carries out corresponding data processing on the water environment parameters to obtain the total amount of pollutants at the bottom layer of the water body;
step S2, the central control module adjusts the number of standard sampling points of the unit water body width to a corresponding number according to the diffusion area of the pollutants on the water body surface; step S3, when the central control module preliminarily judges that the pollutant sedimentation degree is lower than the allowable range, the central control module adjusts the standard pollutant concentration mutation value of the cut section to a corresponding mutation value according to the total pollutant amount ratio of the water bottom layer; and S4, judging whether the impacted diffusion degree of the pollutants is within an allowable range according to the turbidity of the downstream water body by the central control module, and adjusting the actual monitoring value of the pollutants of the downstream water body to a corresponding value.
Compared with the prior art, the system has the beneficial effects that the sampling module, the data processing module, the storage module and the central control module are arranged, when water environment monitoring is carried out, the sampling module converts the water environment condition into parameters and transmits the parameters to the data processing module for processing respectively, the storage module stores untreated water environment parameters and calculated water environment characteristic parameters and transmits the untreated water environment parameters to the central control module, the central control module adjusts the standard sampling point number of the unit water body width to the corresponding number according to the diffusion area of the pollutant on the water body surface, and the influence of inaccurate adjustment of the sampling point number on the pollution monitoring comprehensiveness and accuracy in the width direction is reduced; the central control module adjusts the mutation value of the standard pollutant concentration of the cut section to a corresponding value according to the total pollutant content ratio of the water bottom layer, so that the influence of the sedimentation of pollutants lower than an allowable range on the accuracy of mutation value monitoring is reduced; the central control module monitors the actual pollutant monitoring value of the downstream water body according to the turbidity of the downstream water body, so that the influence of inaccurate monitoring caused by water flow impact is reduced; the accuracy of the monitoring data is improved.
Further, the system of the invention judges whether the pollution degree of the water body is in the allowable range according to the diffusion area of the pollutant on the surface of the water body by setting the first diffusion area and presetting the second diffusion area, thereby reducing the influence caused by the pollutant on the surface of the water body and further realizing the improvement of the accuracy of the monitoring data.
Furthermore, the system of the invention sets the preset first diffusion area difference value, the preset second diffusion area difference value, the preset first quantity adjustment coefficient and the preset second quantity adjustment coefficient, and the central control module adjusts the standard sampling point quantity of the unit water body width in the width direction by calculating the difference value between the diffusion area of the water body surface pollutant and the preset second diffusion area, thereby reducing the influence of the insufficiency of the sampling points on the monitoring accuracy of the water body surface pollutant and further realizing the improvement of the monitoring data accuracy.
Furthermore, the system of the invention judges whether the sedimentation degree of the pollutants is lower than the allowable range or not through setting the preset total amount ratio and the central control module judges whether the sedimentation degree of the pollutants is lower than the allowable range or not through setting the total amount ratio of the pollutants at the bottom layer of the water body, thereby reducing the influence of inaccurate pollution monitoring caused by too low sedimentation effect of the pollutants and further realizing the improvement of the accuracy of monitoring data.
Furthermore, the system of the invention adjusts the standard pollutant concentration abrupt change value by setting the preset first total amount duty ratio difference value, the preset second total amount duty ratio difference value, the preset first abrupt change value adjusting coefficient and the preset second abrupt change value adjusting coefficient, and the central control module adjusts the standard pollutant concentration abrupt change value by the difference value between the total pollutant duty ratio of the water bottom layer and the preset total amount duty ratio, thereby reducing the influence of the sedimentation effect of pollutants lower than the allowable range on the pollution monitoring precision, and further realizing the improvement of the monitoring data accuracy.
Furthermore, the system of the invention judges the impacted diffusion degree of the pollutants through the turbidity of the downstream water body by setting the preset turbidity, reduces the influence of inaccurate pollutant monitoring caused by the impact of water flow on the pollutants at the bottom layer, and further realizes the improvement of the accuracy of monitoring data.
Further, the system of the invention sets the preset first turbidity difference value, the preset second turbidity difference value, the preset first monitoring value adjusting coefficient and the preset second monitoring value adjusting coefficient, and adjusts the actual monitoring value of the pollutants of the downstream water body according to the difference value of the turbidity of the downstream water body and the preset turbidity, thereby reducing the condition that the actual monitoring value of the pollutants of the downstream water body is inaccurate due to the diffusion of the pollutants caused by water flow impact, and further realizing the improvement of the accuracy of the monitoring data.
Drawings
FIG. 1 is a block diagram of an overall structure of a water environment data monitoring system according to an embodiment of the present invention;
FIG. 2 is an overall flow chart of a water environment data monitoring method according to an embodiment of the present invention;
FIG. 3 is a block diagram of a sampling module of a water environment data monitoring system according to an embodiment of the present invention;
fig. 4 is a block diagram of a connection structure of a sampling module and a central control module of a water environment data monitoring system according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, the data in this embodiment are obtained by comprehensive analysis and evaluation in the historical detection data and the corresponding historical detection results before the current detection is performed by the system of the present invention; the system disclosed by the invention is used for comprehensively determining the numerical value of each preset parameter standard aiming at the current detection by cumulatively detecting 32306 cases of pollutant diffusion areas, downstream water turbidity, image information corresponding to pollutant diffusion and the calculated total water bottom pollutant occupation ratio before the current detection. It can be understood by those skilled in the art that the determining manner of the system according to the present invention for the single item of parameter may be to select the value with the highest duty ratio as the preset standard parameter according to the data distribution, so long as the system according to the present invention can clearly define different specific situations in the single item determination process through the obtained value.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, the overall structure block diagram of a water environment data monitoring system, the overall flow chart of a water environment data monitoring method, the structure block diagram of a sampling module, and the connection structure block diagram of the sampling module and a central control module according to the embodiment of the invention are shown respectively; the embodiment of the invention provides a water environment data monitoring system, which comprises:
the sampling module is used for acquiring water environment parameters, and the water environment parameters comprise: the diffusion area of the pollutants on the surface of the water body, the turbidity of the downstream water body and the total amount of the pollutants on the bottom layer of the water body;
the data processing module is connected with the sampling module and is used for obtaining the total pollutant duty ratio of the water bottom layer through operation processing;
the storage module is respectively connected with the sampling module and the data processing module and is used for storing the water environment parameters and the total water body bottom pollutant ratio output by the data processing module;
the central control module is respectively connected with the sampling module, the data processing module and the storage module and is used for adjusting the standard sampling point number of the unit water body width to a corresponding number according to the diffusion area of the water body surface pollutant detected by the visual detector, adjusting the standard pollutant concentration mutation value of the cut section to a corresponding mutation value according to the total pollutant duty ratio of the water body bottom layer, and adjusting the pollutant actual monitoring value of the downstream water body to a corresponding value according to the turbidity of the downstream water body.
According to the system, when water environment monitoring is carried out, the sampling module converts the water environment condition into parameters, the parameters are transmitted to the data processing module for processing respectively, the storage module stores untreated water environment parameters and calculated water environment characteristic parameters and transmits the untreated water environment parameters and the calculated water environment characteristic parameters to the central control module, the central control module adjusts the standard sampling point number of the unit water body width to the corresponding number according to the diffusion area of the pollutants on the water body surface, and the influence of inaccurate adjustment of the sampling point number on the pollution monitoring comprehensiveness and accuracy in the width direction is reduced; the central control module adjusts the mutation value of the standard pollutant concentration of the cut section to a corresponding value according to the total pollutant content ratio of the water bottom layer, so that the influence of the sedimentation of pollutants lower than an allowable range on the accuracy of mutation value monitoring is reduced; the central control module monitors the actual pollutant monitoring value of the downstream water body according to the turbidity of the downstream water body, so that the influence of inaccurate monitoring caused by water flow impact is reduced; the accuracy of the monitoring data is improved.
Specifically, the sampling module further includes:
the concentration sensor is used for detecting the concentration of pollutants in the water body;
The turbidity sensor is arranged on the surface layer of the downstream water body and is used for detecting the turbidity of the surface layer of the downstream water body.
With continued reference to fig. 1, the central control module determines whether the pollution degree of the water body is within the allowable range according to the diffusion area of the pollutant on the surface of the water body, wherein,
the first type of judging method is that the central control module judges that the pollution degree of the water body is in an allowable range under the condition of presetting a first diffusion area;
the second type of judging method is that the central control module judges that the pollution degree of the water body exceeds the allowable range under the condition of presetting a second diffusion area, primarily judges that the pollutant sedimentation degree is lower than the allowable range, and judges whether the pollutant sedimentation degree is lower than the allowable range for the second time according to the total pollutant occupation ratio of the bottom layer of the water body;
the third type of judging method is that the central control module judges that the pollution degree of the water body exceeds the allowable range under the condition of presetting a third diffusion area, and the standard sampling point number of the unit water body width is adjusted to the corresponding number by calculating the difference value of the diffusion area of the pollutant on the water body surface and the preset second diffusion area;
the preset first diffusion area condition is that the diffusion area of the pollutants on the surface of the water body is smaller than or equal to the preset first diffusion area; the preset second diffusion area condition is that the diffusion area of the pollutant on the surface of the water body is larger than the preset first diffusion area and smaller than or equal to the preset second diffusion area; the preset third diffusion area condition is that the diffusion area of the pollutant on the surface of the water body is larger than the preset second diffusion area; the preset first diffusion area is smaller than the preset second diffusion area.
Specifically, the diffusion area of the pollutant on the surface of the water body is denoted as A, the preset first diffusion area is denoted as A1, the preset second diffusion area is denoted as A2, wherein A1 is smaller than A2, the difference between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is denoted as DeltaA, and DeltaA=a-A2 is set.
According to the system, the first diffusion area and the preset second diffusion area are set, the central control module judges whether the pollution degree of the water body is in the allowable range according to the diffusion area of the pollutant on the surface of the water body, the influence caused by the pollutant on the surface of the water body is reduced, and the accuracy of monitoring data is further improved.
With continued reference to fig. 1 and 2, the central control module determines three types of adjustment modes for the standard sampling point number of the unit water width according to the difference between the calculated diffusion area of the pollutant on the water surface and the preset second diffusion area, wherein,
the first type of adjustment mode is that the central control module adjusts the number of standard sampling points of the unit water body width to the number of preset standard sampling points under the condition of presetting a first diffusion area difference value;
the second type of adjustment mode is that the central control module uses a preset first quantity adjustment coefficient to adjust and raise the quantity of standard sampling points of the unit water body width to a first quantity under the condition of presetting a second diffusion area difference value;
The third type of adjustment mode is that the central control module adjusts and increases the number of standard sampling points of the unit water body width to a second number by using a preset second number adjustment coefficient under the condition of presetting a third diffusion area difference value;
the difference value of the preset first diffusion area is smaller than or equal to the difference value of the preset first diffusion area; the second diffusion area difference value condition is that the difference value between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is larger than the preset first diffusion area difference value and smaller than or equal to the preset second diffusion area difference value; the preset third diffusion area difference value condition is that the difference value between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is larger than the preset second diffusion area difference value; the preset first diffusion area difference value is smaller than the preset second diffusion area difference value, and the preset first quantity adjusting coefficient is smaller than the preset second quantity adjusting coefficient.
Specifically, the preset first diffusion area difference is denoted as Δa1, the preset second diffusion area difference is denoted as Δa2, the preset first number adjustment coefficient is denoted as α1, the preset second number adjustment coefficient is denoted as α2, the preset standard sampling point number is denoted as T0, Δa1 < [ Δa2 ], 1 < α1 < α2, the adjusted standard sampling point is denoted as T ', T' =t0×αi is set, wherein αi is the preset i-th number adjustment coefficient, and i=1, 2 is set.
According to the system, the preset first diffusion area difference value, the preset second diffusion area difference value, the preset first quantity adjustment coefficient and the preset second quantity adjustment coefficient are set, the central control module adjusts the standard sampling point quantity of the unit water body width in the width direction by calculating the difference value between the diffusion area of the water body surface pollutants and the preset second diffusion area, the influence of the insufficiency of the sampling points on the monitoring accuracy of the water body surface pollutants is reduced, and the accuracy of monitoring data is further improved.
With continued reference to fig. 1, the central control module determines whether the sedimentation degree of the pollutants is lower than the allowable range according to the total pollutant ratio of the water bottom layer, wherein,
the first-class sedimentation degree secondary judging method is that the central control module judges that the sedimentation degree of pollutants is lower than an allowable range for the second time under the condition of a preset first duty ratio, and the standard pollutant concentration mutation value of the cut section is adjusted to a corresponding mutation value by calculating the difference value of the total amount duty ratio of pollutants at the bottom layer of the water body and the preset total amount duty ratio;
the second type of sedimentation degree secondary judging method is that the central control module secondarily judges that the sedimentation degree of pollutants is in an allowable range under the condition of a preset second duty ratio;
The preset first duty ratio condition is that the total amount of pollutants at the bottom layer of the water body is smaller than or equal to the preset total amount duty ratio; the preset second duty ratio condition is that the total amount of pollutants at the bottom layer of the water body is larger than the preset total amount duty ratio.
Specifically, the total pollutant duty ratio of the water bottom layer is denoted as P, the preset total pollutant duty ratio is denoted as P0, the difference between the total pollutant duty ratio of the water bottom layer and the preset total pollutant duty ratio is denoted as Δp, and Δp=p0-P is set.
According to the system, the preset total amount duty ratio is set, and the central control module judges whether the pollutant sedimentation degree is lower than the allowable range or not according to the set total amount duty ratio of the pollutant at the bottom layer of the water body, so that the influence of inaccurate pollution monitoring caused by too low pollutant sedimentation effect is reduced, and the accuracy of monitoring data is further improved.
With continued reference to fig. 1, the calculation formula of the total pollutant ratio of the water bottom layer is as follows:
wherein P is the total pollutant ratio of the water bottom layer, Q 1 Q is the total amount of bottom pollutant Total (S) Is the total amount of pollutants.
Specifically, as will be appreciated by those skilled in the art, the calculation of the total amount of contaminants on the bottom of the body of water and the calculation of the total amount of contaminants are both performed by the concentration sensor to detect the concentration of contaminants in the body of water in combination with the sampling detection to calculate the total amount of contaminants.
With continued reference to fig. 1, the central control module determines three types of adjustment modes for the standard contaminant concentration mutation value of the cut section according to the difference between the total amount of the pollutants at the bottom layer of the water body and the preset total amount ratio, wherein,
the first type of abrupt change value adjusting mode is that the central control module does not adjust the abrupt change value of the standard pollutant concentration under the condition of presetting a first duty ratio difference value;
the second type of abrupt change value adjusting mode is that the central control module adjusts the abrupt change value of the standard pollutant concentration to a first abrupt change value of concentration by using a preset first abrupt change value adjusting coefficient under the condition of a preset second duty ratio difference value;
the third type of abrupt change value adjusting mode is that the central control module adjusts the abrupt change value of the standard pollutant concentration to a second abrupt change value of the concentration by using a preset second abrupt change value adjusting coefficient under the condition of a preset third duty ratio difference value;
the preset first duty ratio difference condition is that the difference value between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is smaller than or equal to the preset first total amount duty ratio difference value; the preset second duty ratio difference condition is that the difference between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is larger than the preset first total amount duty ratio difference and smaller than or equal to the preset second total amount duty ratio difference; the preset third duty ratio difference condition is that the difference between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is larger than the preset second total amount duty ratio difference; the preset first total amount duty ratio difference is smaller than the preset second total amount duty ratio difference, and the preset first abrupt change value adjusting coefficient is smaller than the preset second abrupt change value adjusting coefficient.
Specifically, the preset first duty ratio difference is denoted as Δp1, the preset second duty ratio difference is denoted as Δp2, the preset first mutation value adjustment coefficient is denoted as β1, the preset second mutation value adjustment coefficient is denoted as β2, the preset standard contaminant concentration mutation value is denoted as V0, Δp1 < Δp2,1 < β1 < β2, the adjusted standard contaminant concentration mutation value is denoted as V ', V' =v0× (1+βj)/2 is set, wherein βj is the preset j-th mutation value adjustment coefficient, and j=1, 2 is set.
According to the system, the standard pollutant concentration abrupt change value is regulated by setting the preset first total amount occupation ratio difference value, the preset second total amount occupation ratio difference value, the preset first abrupt change value regulating coefficient and the preset second abrupt change value regulating coefficient, and the central control module regulates the standard pollutant concentration abrupt change value through the difference value between the total pollutant occupation ratio of the water bottom layer and the preset total amount occupation ratio, so that the influence of the sedimentation effect of pollutants lower than the allowable range on the pollution monitoring precision is reduced, and the accuracy of monitoring data is further improved.
With continued reference to fig. 1, the central control module determines whether the impacted diffusion degree of the pollutant is within the allowable range according to the turbidity of the downstream water detected by the turbidity sensor, wherein,
The first turbidity judging method is that the central control module judges that the impacted diffusion degree of the pollutant is in an allowable range under the condition of presetting first turbidity;
the second type of turbidity judging method is that the central control module judges that the impacted diffusion degree of the pollutants exceeds the allowable range under the preset second turbidity condition, and the actual monitoring value of the pollutants of the downstream water body is adjusted to the corresponding value by calculating the difference value of the turbidity of the downstream water body and the preset turbidity;
the first preset turbidity condition is that the turbidity of the downstream water body is smaller than or equal to the preset turbidity; the preset second turbidity condition is that the turbidity of the downstream water body is larger than the preset turbidity.
Specifically, the downstream water turbidity is denoted as D, the preset turbidity is denoted as D0, the difference between the downstream water turbidity and the preset turbidity is denoted as Δd, and Δd=d-D0 is set.
According to the system, the preset turbidity is set, the central control module judges the impacted diffusion degree of the pollutants through the turbidity of the downstream water, so that the influence of inaccurate pollutant monitoring caused by the impact of water flow on the bottom pollutants is reduced, and the accuracy of monitoring data is further improved.
With continued reference to fig. 1, the central control module determines three types of adjustment methods for the actual monitoring value of the pollutant of the downstream water according to the difference between the turbidity of the downstream water and the preset turbidity, wherein,
The first type of monitoring value adjusting method is that the central control module outputs the actual monitoring value of the pollutants of the downstream water body under the condition of presetting a first turbidity difference value;
the second type of monitoring value adjusting method is that the central control module adjusts the actual monitoring value of the pollutants of the downstream water body to a first monitoring value by using a preset second monitoring value adjusting coefficient under the condition of a preset second turbidity difference value;
the third detection value adjusting method is that the central control module adjusts the actual monitoring value of the pollutants of the downstream water body to a second monitoring value by using a preset first monitoring value adjusting coefficient under the condition of presetting a third turbidity difference value;
the preset first turbidity difference condition is that the difference value between the downstream water turbidity and the preset turbidity is smaller than or equal to the preset first turbidity difference value; the preset second turbidity difference value condition is that the difference value between the downstream water turbidity and the preset turbidity is larger than the preset first turbidity difference value and smaller than or equal to the preset second turbidity difference value; the preset third turbidity difference value condition is that the difference value between the downstream water turbidity and the preset turbidity is larger than the preset second turbidity difference value; the preset first turbidity difference value is smaller than the preset second turbidity difference value, and the preset first monitoring value adjusting coefficient is smaller than the preset second monitoring value adjusting coefficient.
Specifically, the preset first turbidity difference value is denoted as Δd1, the preset second turbidity difference value is denoted as Δd2, the preset first monitoring value adjustment coefficient is denoted as γ1, the preset second monitoring value adjustment coefficient is denoted as γ2, the actual monitoring value of the pollutant of the downstream water body is denoted as R, wherein Δd1 < [ Δd2 ], 0 < γ1 < γ2 < 1, the actual monitoring value of the pollutant of the regulated downstream water body is denoted as R ', R' =r×γg is set, wherein γg is the preset g-th monitoring value adjustment coefficient, and g=1, 2 is set.
Further, the system of the invention sets the preset first turbidity difference value, the preset second turbidity difference value, the preset first monitoring value adjusting coefficient and the preset second monitoring value adjusting coefficient, and adjusts the actual monitoring value of the pollutants of the downstream water body according to the difference value of the turbidity of the downstream water body and the preset turbidity, thereby reducing the condition that the actual monitoring value of the pollutants of the downstream water body is inaccurate due to the diffusion of the pollutants caused by water flow impact, and further realizing the improvement of the accuracy of the monitoring data.
With continued reference to fig. 1, the central control module determines whether to correspondingly adjust the number of water monitoring sections according to the horizontal distance between the water inlet and the sewage outlet,
If the horizontal distance is smaller than or equal to a preset horizontal distance threshold value, the central control module judges that the number of the water body monitoring sections is not adjusted;
and if the horizontal distance is greater than a preset horizontal distance threshold, the central control module judges that the number of the water body monitoring sections is increased.
With continued reference to fig. 2, a method for monitoring water environment data includes:
step S1, acquiring water environment parameters through corresponding sensors arranged in a sampling module, and sending the water environment parameters to a data processing module, wherein the data processing module carries out corresponding data processing on the water environment parameters to obtain the total amount of pollutants at the bottom layer of the water body;
step S2, the central control module adjusts the number of standard sampling points of the unit water body width to a corresponding number according to the diffusion area of the pollutants on the water body surface;
step S3, when the central control module preliminarily judges that the pollutant sedimentation degree is lower than the allowable range, the central control module adjusts the standard pollutant concentration mutation value of the cut section to a corresponding mutation value according to the total pollutant amount ratio of the water bottom layer;
and S4, judging whether the impacted diffusion degree of the pollutants is within an allowable range according to the turbidity of the downstream water body by the central control module, and adjusting the actual monitoring value of the pollutants of the downstream water body to a corresponding value.
In the case of example 1,
in the water environment data monitoring system of this embodiment 1, the central control module is provided with a preset first diffusion area difference value denoted as Δa1, a preset second diffusion area difference value denoted as Δa2, a preset first number adjustment coefficient denoted as α1, a preset second number adjustment coefficient denoted as α2, and a preset standard sampling point number denoted as T0, where Δa1=10m 2 ，△A2=40m 2 α1=1.4, α2=1.6, t0=5,
in this example 1, Δa=20m is obtained 2 The central control module judges that DeltaA 1 < DeltaAis less than or equal to DeltaA 2, and uses alpha 1 to adjust the standard sampling point number of the unit water body width, wherein the standard sampling point number of the unit water body width after adjustment is T' =5×1.4=7.
According to the water environment data monitoring system disclosed in embodiment 1, the central control module adjusts the number of standard sampling points of the unit water body width by using the first number adjustment coefficient alpha 1 through the preset first diffusion area difference value and the preset second diffusion area difference value, so that the influence on the monitoring accuracy caused by inaccurate adjustment of the number of the standard sampling points in the width direction is reduced, and the improvement of the monitoring data accuracy is further realized.
In the case of example 2,
in this embodiment 2, the central control module is provided with a preset first total amount duty ratio difference denoted as Δp1, a preset second total amount duty ratio difference denoted as Δp2, a preset first mutation value adjustment coefficient denoted as β1, a preset second mutation value adjustment coefficient denoted as β2, and a preset standard contaminant concentration mutation value denoted as V0, where Δp1=0.02 ml/m 3 ，△P2=0.2ml/m 3 ，β1=1.2，β2=1.4，V0=100ml/m 3 ，
In this example 2, Δp=0.06, center control was obtainedThe module judges that DeltaP 1 < DeltaP2 is less than or equal to DeltaP 2 and uses beta 1 to regulate the standard pollutant concentration mutation value, and the regulated standard pollutant concentration mutation value V' =100 ml/m 3 ×（1+1.2）=110ml/m 3 。
In this embodiment 2, by setting the preset first total amount duty ratio difference value and the preset second total amount duty ratio difference value, the central control module uses the first mutation value adjustment coefficient to adjust the mutation value of the standard pollutant concentration, and the adjusted mutation value of the standard pollutant concentration is closer to the actual value, so that the monitoring is easier, and the improvement of the accuracy of the monitoring data is further realized.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (10)
1. A water environment data monitoring system, comprising:
the sampling module is used for acquiring water environment parameters, and the water environment parameters comprise: the diffusion area of the pollutants on the surface of the water body, the turbidity of the downstream water body and the total amount of the pollutants on the bottom layer of the water body;
The data processing module is connected with the sampling module and is used for obtaining the total pollutant duty ratio of the water bottom layer through operation processing;
the storage module is respectively connected with the sampling module and the data processing module and is used for storing the water environment parameters and the total water body bottom pollutant ratio output by the data processing module;
the central control module is respectively connected with the sampling module, the data processing module and the storage module and is used for adjusting the standard sampling point number of the unit water body width to a corresponding number according to the diffusion area of the water body surface pollutant detected by the visual detector, adjusting the standard pollutant concentration mutation value of the cut section to a corresponding mutation value according to the total pollutant duty ratio of the water body bottom layer, and adjusting the pollutant actual monitoring value of the downstream water body to a corresponding value according to the turbidity of the downstream water body.
2. The water environment data monitoring system of claim 1, wherein the central control module determines whether the pollution degree of the water body is within an allowable range according to the diffusion area of the pollutant on the surface of the water body, wherein,
the first type of judging method is that the central control module judges that the pollution degree of the water body is in an allowable range under the condition of presetting a first diffusion area;
The second type of judging method is that the central control module judges that the pollution degree of the water body exceeds the allowable range under the condition of presetting a second diffusion area, primarily judges that the pollutant sedimentation degree is lower than the allowable range, and judges whether the pollutant sedimentation degree is lower than the allowable range for the second time according to the total pollutant occupation ratio of the bottom layer of the water body;
the third type of judging method is that the central control module judges that the pollution degree of the water body exceeds the allowable range under the condition of presetting a third diffusion area, and the standard sampling point number of the unit water body width is adjusted to the corresponding number by calculating the difference value of the diffusion area of the pollutant on the water body surface and the preset second diffusion area;
the preset first diffusion area condition is that the diffusion area of the pollutants on the surface of the water body is smaller than or equal to the preset first diffusion area; the preset second diffusion area condition is that the diffusion area of the pollutant on the surface of the water body is larger than the preset first diffusion area and smaller than or equal to the preset second diffusion area; the preset third diffusion area condition is that the diffusion area of the pollutant on the surface of the water body is larger than the preset second diffusion area; the preset first diffusion area is smaller than the preset second diffusion area.
3. The water environment data monitoring system of claim 2, wherein the central control module determines three types of adjustment modes for the standard sampling point number of the unit water body width according to the difference value between the calculated diffusion area of the water body surface pollutant and the preset second diffusion area, wherein,
the first type of adjustment mode is that the central control module adjusts the number of standard sampling points of the unit water body width to the number of preset standard sampling points under the condition of presetting a first diffusion area difference value;
the second type of adjustment mode is that the central control module uses a preset first quantity adjustment coefficient to adjust and raise the quantity of standard sampling points of the unit water body width to a first quantity under the condition of presetting a second diffusion area difference value;
the third type of adjustment mode is that the central control module adjusts and increases the number of standard sampling points of the unit water body width to a second number by using a preset second number adjustment coefficient under the condition of presetting a third diffusion area difference value;
the difference value of the preset first diffusion area is smaller than or equal to the difference value of the preset first diffusion area; the second diffusion area difference value condition is that the difference value between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is larger than the preset first diffusion area difference value and smaller than or equal to the preset second diffusion area difference value; the preset third diffusion area difference value condition is that the difference value between the diffusion area of the pollutant on the surface of the water body and the preset second diffusion area is larger than the preset second diffusion area difference value; the preset first diffusion area difference value is smaller than the preset second diffusion area difference value, and the preset first quantity adjusting coefficient is smaller than the preset second quantity adjusting coefficient.
4. The water environment data monitoring system according to claim 3, wherein the central control module determines whether the sedimentation degree of the pollutants is lower than the allowable range according to the total pollutant ratio of the water bottom layer, wherein,
the first-class sedimentation degree secondary judging method is that the central control module judges that the sedimentation degree of pollutants is lower than an allowable range for the second time under the condition of a preset first duty ratio, and the standard pollutant concentration mutation value of the cut section is adjusted to a corresponding mutation value by calculating the difference value of the total amount duty ratio of pollutants at the bottom layer of the water body and the preset total amount duty ratio;
the second type of sedimentation degree secondary judging method is that the central control module secondarily judges that the sedimentation degree of pollutants is in an allowable range under the condition of a preset second duty ratio;
the preset first duty ratio condition is that the total amount of pollutants at the bottom layer of the water body is smaller than or equal to the preset total amount duty ratio; the preset second duty ratio condition is that the total amount of pollutants at the bottom layer of the water body is larger than the preset total amount duty ratio.
5. The water environment data monitoring system of claim 4, wherein the calculation formula of the total amount of pollutants at the bottom of the water body is:
wherein P is the total pollutant ratio of the water bottom layer, Q 1 Q is the total amount of bottom pollutant Total (S) Is the total amount of pollutants.
6. The water environment data monitoring system of claim 5, wherein the central control module determines three types of adjustment modes for the standard pollutant concentration mutation value of the cut section according to the difference value between the total pollutant duty ratio of the water bottom layer and the preset total pollutant duty ratio, wherein,
the first type of abrupt change value adjusting mode is that the central control module does not adjust the abrupt change value of the standard pollutant concentration under the condition of presetting a first duty ratio difference value;
the second type of abrupt change value adjusting mode is that the central control module adjusts the abrupt change value of the standard pollutant concentration to a first abrupt change value of concentration by using a preset first abrupt change value adjusting coefficient under the condition of a preset second duty ratio difference value;
the third type of abrupt change value adjusting mode is that the central control module adjusts the abrupt change value of the standard pollutant concentration to a second abrupt change value of the concentration by using a preset second abrupt change value adjusting coefficient under the condition of a preset third duty ratio difference value;
the preset first duty ratio difference condition is that the difference value between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is smaller than or equal to the preset first total amount duty ratio difference value; the preset second duty ratio difference condition is that the difference between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is larger than the preset first total amount duty ratio difference and smaller than or equal to the preset second total amount duty ratio difference; the preset third duty ratio difference condition is that the difference between the total amount of pollutants at the bottom layer of the water body and the preset total amount duty ratio is larger than the preset second total amount duty ratio difference; the preset first total amount duty ratio difference is smaller than the preset second total amount duty ratio difference, and the preset first abrupt change value adjusting coefficient is smaller than the preset second abrupt change value adjusting coefficient.
7. The system for monitoring and controlling water environment according to claim 6, wherein the central control module determines whether the degree of the impacted diffusion of the pollutant is within the allowable range according to the turbidity of the downstream water body detected by the turbidity sensor, wherein,
the first turbidity judging method is that the central control module judges that the impacted diffusion degree of the pollutant is in an allowable range under the condition of presetting first turbidity;
the second type of turbidity judging method is that the central control module judges that the impacted diffusion degree of the pollutants exceeds the allowable range under the preset second turbidity condition, and the actual monitoring value of the pollutants of the downstream water body is adjusted to the corresponding value by calculating the difference value of the turbidity of the downstream water body and the preset turbidity;
the first preset turbidity condition is that the turbidity of the downstream water body is smaller than or equal to the preset turbidity; the preset second turbidity condition is that the turbidity of the downstream water body is larger than the preset turbidity.
8. The system for monitoring and controlling water environment according to claim 7, wherein the central control module determines three types of adjustment methods for the actual monitoring value of the pollutants of the downstream water body according to the difference value between the turbidity of the downstream water body and the preset turbidity, wherein,
The first type of monitoring value adjusting method is that the central control module outputs the actual monitoring value of the pollutants of the downstream water body under the condition of presetting a first turbidity difference value;
the second type of monitoring value adjusting method is that the central control module adjusts the actual monitoring value of the pollutants of the downstream water body to a first monitoring value by using a preset second monitoring value adjusting coefficient under the condition of a preset second turbidity difference value;
the third detection value adjusting method is that the central control module adjusts the actual monitoring value of the pollutants of the downstream water body to a second monitoring value by using a preset first monitoring value adjusting coefficient under the condition of presetting a third turbidity difference value;
the preset first turbidity difference condition is that the difference value between the downstream water turbidity and the preset turbidity is smaller than or equal to the preset first turbidity difference value; the preset second turbidity difference value condition is that the difference value between the downstream water turbidity and the preset turbidity is larger than the preset first turbidity difference value and smaller than or equal to the preset second turbidity difference value; the preset third turbidity difference value condition is that the difference value between the downstream water turbidity and the preset turbidity is larger than the preset second turbidity difference value; the preset first turbidity difference value is smaller than the preset second turbidity difference value, and the preset first monitoring value adjusting coefficient is smaller than the preset second monitoring value adjusting coefficient.
9. The water environment data monitoring system of claim 8, wherein the central control module judges whether to correspondingly adjust the number of the water monitoring sections according to the horizontal distance between the water inlet and the sewage outlet,
if the horizontal distance is smaller than or equal to a preset horizontal distance threshold value, the central control module judges that the number of the water body monitoring sections is not adjusted;
and if the horizontal distance is greater than a preset horizontal distance threshold, the central control module judges that the number of the water body monitoring sections is increased.
10. A monitoring method using the aqueous environment data monitoring system of any one of claims 1-9, comprising:
step S1, acquiring water environment parameters through corresponding sensors arranged in a sampling module, and sending the water environment parameters to a data processing module, wherein the data processing module carries out corresponding data processing on the water environment parameters to obtain the total amount of pollutants at the bottom layer of the water body;
step S2, the central control module adjusts the number of standard sampling points of the unit water body width to a corresponding number according to the diffusion area of the pollutants on the water body surface;
step S3, when the central control module preliminarily judges that the pollutant sedimentation degree is lower than the allowable range, the central control module adjusts the standard pollutant concentration mutation value of the cut section to a corresponding mutation value according to the total pollutant amount ratio of the water bottom layer;
And S4, judging whether the impacted diffusion degree of the pollutants is within an allowable range according to the turbidity of the downstream water body by the central control module, and adjusting the actual monitoring value of the pollutants of the downstream water body to a corresponding value.
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