CN111080129A - Grading method and device for drainage pipe network monitoring points and electronic equipment - Google Patents
Grading method and device for drainage pipe network monitoring points and electronic equipment Download PDFInfo
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Abstract
The invention provides a grading method and a grading device for drainage pipe network monitoring points and electronic equipment, wherein the grading method comprises the following steps: acquiring a monitoring level, a drainage element and monitoring point distribution information of an area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree; a watchpoint score for the area is determined based on the coverage. In the method, the coverage of the area is calculated based on the monitoring level, the drainage element and the monitoring point distribution information of the area to be evaluated, the monitoring points of the area are scored according to the coverage, and the number of the monitoring points can be reasonably evaluated.
Description
Technical Field
The invention relates to the technical field of drainage monitoring, in particular to a grading method and device for drainage pipe network monitoring points and electronic equipment.
Background
The drainage pipe network on-line monitoring can support quantitative diagnosis and analysis of the problems of the drainage system and intelligent management of the drainage system, so that the development of the drainage industry has clear requirements, and the importance of developing the on-line monitoring of the drainage pipe network is also emphasized in relevant standards. More and more cities develop related work of drainage on-line monitoring, and as drainage pipe network nodes are numerous, under the constraint of economic cost, a scientific and effective monitoring distribution scheme is formulated according to monitoring requirements and purposes, the most representative key points are screened, drainage pipe network information which is comprehensive as far as possible is obtained by monitoring distribution as few as possible, and a feasible monitoring scheme which gives consideration to representativeness and economy is formed.
In the related technology, the monitoring distribution and quantity determination has strong blindness and randomness, and the reasonability of the quantity setting of the monitoring points cannot be evaluated.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for scoring monitoring points of a drainage pipe network, and an electronic device, so as to score the monitoring points and reasonably evaluate the number of the monitoring points.
In a first aspect, an embodiment of the present invention provides a method for scoring a drainage pipe network monitoring point, including: acquiring a monitoring level, a drainage element and monitoring point distribution information of an area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; the drainage element comprises the number of confluence drainage ports, the number of rainwater drainage ports, the length of a sewage pipe network and the length of a rainwater pipe network; the monitoring point distribution information comprises the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points; determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree; a watchpoint score for the area is determined based on the coverage.
In a preferred embodiment of the present invention, the step of obtaining the monitoring level of the area to be evaluated includes: acquiring basic information and a monitoring purpose of a drainage pipe network of an area to be evaluated, and determining a monitoring level based on the basic information and the monitoring purpose of the drainage pipe network; the basic information of the drainage pipe network comprises background information and basic information of the drainage pipe network; the background information comprises historical climate information, hydrological information, ground elevation information and land utilization type information of the area; the basic data of the drainage pipe network comprises the length of a drainage pipeline, the number of inspection wells, the size and the position of a drainage port.
In a preferred embodiment of the present invention, the step of determining the coverage of the area based on the monitoring level, the drainage factor and the distribution information of the monitoring points includes: if the monitoring level is source monitoring, calculating the coverage of the area by the following function: q. q.s1＝m1/n1；q2＝m2/n2；q3＝2.5k1/l1；q4＝2.5k2/l2(ii) a If the monitoring level is partitioned monitoring, the coverage of the area is calculated by the following function: q. q.s1＝m1/n1；q2＝m2/n2-2；q3＝10k1/l1；q4＝10k2/l2(ii) a If the monitoring hierarchy is global monitoring, the coverage of the area is calculated by the following function: q. q.s1＝m1/n1；q2＝m2/n2-1；q3＝20k1/l1；q4＝20k2/l2(ii) a Wherein q is1For combined system of discharge coverage, q2For the coverage of the rain drain, q3For sewer network coverage, q4The coverage degree of the rainwater pipe network; m is1The number of the monitoring points of the discharge port in the confluence system is m2The number k of monitoring points of the rainwater drainage port1The number k of monitoring points of the sewage pipe network2The number of the monitoring points of the rainwater pipe network is; n is1The number of the combined system discharge ports is,n2the number of the rainwater outlets is l1For the length of the sewage pipe network, /)2Is the length of the rain pipe network; n is2-2The number of the row openings with the nominal diameter larger than a first threshold value in the rainwater row openings is set; n is2-1The number of the row openings with the nominal diameter larger than the second threshold value in the rainwater row openings.
In a preferred embodiment of the present invention, the step of determining the score of the monitoring point of the area based on the coverage comprises passing P- α1×q1+α2×q2+α3×q3+α4×q4Determining a watch point score for a region, wherein P is the watch point score for the region α1+α2+α3+α4＝1；α1Is q1α2Is q2α3Is q3α4Is q5The weight value of (2).
In the preferred embodiment of the present invention, the above-mentioned pass P- α1×q1+α2×q2+α3×q3+α4×q4The step of determining the rating of the monitoring point of the area comprises the steps of setting P1 to α if the rating of the monitoring point of the sewage system of the area is required to be determined to be P11×q1+α3×q3If the monitoring point score P2 of the rainwater system of the area needs to be determined, setting P3 to α1×q1+α2×q2+α4×q4If the monitoring point score P3 of the sewage system and the rainwater system of the area needs to be determined, setting P3 to α1×q1+α2×q2+α3×q3+α4×q4Wherein, α1The value range is (0.25,0.4), α2The value range is (0.25,0.3), α3The value range is (0.15,0.3), α4The value range is (0.1, 0.25).
In a preferred embodiment of the present invention, the method further includes: if the score of the monitoring point of the area is larger than a preset first threshold value, determining that the area meets the detection requirement of the corresponding monitoring level; and if the score of the monitoring point of the area is not greater than a preset first threshold value, determining that the area does not meet the detection requirement of the corresponding monitoring level.
In a preferred embodiment of the present invention, the method further includes: when the monitoring level is used for source monitoring, the number Q of ideal monitoring points in the set area is equal to n1+n2-1+0.05(l1+l2) (ii) a When the monitoring level is partitioned monitoring, setting the number Q of ideal monitoring points of the area as n1+n2-2+0.1(l1+l2) (ii) a When the monitoring level is integral monitoring, the number Q of ideal monitoring points in the set area is equal to n1+n2+0.4(l1+l2)。
In a second aspect, an embodiment of the present invention further provides a device for scoring monitoring points of a drainage pipe network, including: the information acquisition module is used for acquiring the monitoring level, the drainage element and the monitoring point distribution information of the area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; the drainage element comprises the number of confluence drainage ports, the number of rainwater drainage ports, the length of a sewage pipe network and the length of a rainwater pipe network; the monitoring point distribution information comprises the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points; the coverage determining module is used for determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree; and the score determining module is used for determining the score of the monitoring points of the area based on the coverage.
In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a processor and a memory, where the memory stores computer-executable instructions that can be executed by the processor, and the processor executes the computer-executable instructions to implement the steps of the above-mentioned scoring method for a drainage pipe network monitoring point.
In a fourth aspect, the embodiments of the present invention further provide a computer-readable storage medium, where computer-executable instructions are stored, and when the computer-executable instructions are called and executed by a processor, the computer-executable instructions cause the processor to implement the steps of the above-mentioned scoring method for a drainage network monitoring point.
The embodiment of the invention has the following beneficial effects:
according to the grading method and device for the monitoring points of the drainage pipe network and the electronic equipment, provided by the embodiment of the invention, the coverage of the area is calculated based on the monitoring level, the drainage element and the distribution information of the monitoring points of the area to be evaluated, the monitoring points of the area are graded according to the coverage, and the number of the monitoring points can be reasonably evaluated.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a grading method for a drainage pipe network monitoring point according to an embodiment of the present invention;
fig. 2 is a flowchart of another grading method for a drainage pipe network monitoring point according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a grading method for a drainage pipe network monitoring point according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a scoring device for a drainage pipe network monitoring point according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Compare in artifical sampling chemical examination, the drainage on-line monitoring equipment price is higher, and the on-line monitoring who develops the drainage pipe network all is a great input to each city. Different urban drainage pipe networks have different problems, and the degree of completion of information management of the drainage pipe networks is different, so that the purpose of online monitoring of the drainage pipe networks is different, and the reasonable monitoring distribution quantity is determined according to the specific conditions of different monitoring areas to guide the formulation of investment budget. However, at present, the drainage online monitoring work of most urban drainage in China is still in a starting stage, and the monitoring distribution and quantity determination have strong blindness and randomness, so that the reasonability of the quantity setting of monitoring points cannot be evaluated.
The main expression is as follows:
(1) specific analysis is not carried out on a monitoring area, the number of monitoring points is determined by blindly referring to the monitoring point distribution density of other cities or regions, the monitoring points are too dense, and although the purpose of monitoring the local area can be realized, a large amount of capital waste is caused; otherwise, the monitoring point density is too high, the monitoring purpose cannot be completed, and the investment budget needs to be increased again.
(2) When the number of the on-line monitoring points is set according to the monitoring area, the number of the monitoring points is generally preliminarily estimated only according to the area of the area, and the elements such as the drainage port, the pipe network node and the like are not considered respectively. The normal operation of the drainage system depends on all elements, but the important degrees of the influence of different elements on the drainage system are different, and the drainage port is used as the final link of regional drainage, so that the overall drainage condition of a region can be reflected, the water quality of a received water body is also obviously influenced, certain distinction needs to be carried out when the number of monitoring points is set, and the drainage port monitoring needs to be paid priority under the condition of limited economy.
(3) At present, the rationality of the quantity setting of the online monitoring points of the drainage pipe network cannot be evaluated quantitatively, the investment budget of the existing scheme cannot be evaluated quantitatively, the investment is not convenient to expand in the future, the monitoring is supplemented, and the quantity setting has strong blindness.
Based on the above, the embodiment of the invention provides a grading method and device for drainage pipe network monitoring points and electronic equipment, relates to the field of online monitoring of water quantity of urban drainage pipe networks, and particularly designs a method capable of evaluating the reasonability of the number setting of the drainage pipe network online monitoring points.
In order to facilitate understanding of the embodiment, a detailed description is first given to a method for scoring a monitoring point of a drainage pipe network disclosed in the embodiment of the present invention.
Example 1
The embodiment provides a method for grading a drainage pipe network monitoring point, which is shown in a flowchart of the method for grading the drainage pipe network monitoring point in fig. 1, and the method for grading the drainage pipe network monitoring point comprises the following steps:
step S102, acquiring monitoring levels, drainage elements and monitoring point distribution information of an area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; the drainage element comprises the number of confluence drainage ports, the number of rainwater drainage ports, the length of a sewage pipe network and the length of a rainwater pipe network; the monitoring point distribution information comprises the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points.
The area to be evaluated is an area for grading drainage pipe network monitoring points, monitoring levels are used for carrying out level division on monitoring, the purpose and conditions for carrying out monitoring in different areas are different, the number and the density of required monitoring distribution points are different, monitoring is graded, and monitoring can be carried out in a more targeted mode.
According to different monitoring purposes, the drainage on-line monitoring is divided into three monitoring levels, namely integral monitoring, subarea monitoring and source monitoring, from the whole to the subarea and then to the source, the coverage density of monitoring points is increased step by step, the obtained data information is rich step by step, and the correspondingly realized monitoring purposes are different;
the overall monitoring is to master the overall condition of the area, the coverage degree is relatively limited, the distribution density of the pipe network is low, and only aiming at the most important node, the basic condition of drainage can be mastered and basic management work is supported; the subarea monitoring is to perform gridding division on the area, each subarea is used as a monitoring unit according to the catchment relation, and the problem of the pipe network is diagnosed and analyzed through data acquisition of each element node; the source monitoring is to monitor the drainage deep into a user receiving well of a drainage user, support the traceability analysis and monitor the drainage user and a rainwater project.
The drainage key element refers to drainage household, pipe network and row's mouth, includes: comprises the number of confluence drain ports, the number of rainwater drain ports, the length of a sewage pipe network and the length of a rainwater pipe network. The drainage is of sewage and rain, wherein the sewage is not allowed to drain directly into the river. Under a split-flow drainage system, rainwater and sewage enter different pipeline systems; however, under the combined system, rainwater and sewage share one pipe network system, and the sewage can not enter rivers. Therefore, the discharge openings mainly comprise a rainwater discharge opening and a confluence discharge opening.
The monitoring point distribution information is mainly the number of the monitoring points which are arranged in the area and are divided according to the positions of the monitoring points, and the monitoring point distribution information comprises the following steps: the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points.
Step S104, determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree.
Different coverage calculation formulas can be selected according to the detection levels, then the coverage is calculated based on the drainage elements and the distribution information of the monitoring points, and the coverage is also divided according to the positions, and the method comprises the following steps: confluence system drain port coverage, rainwater drain port coverage, sewage pipe network coverage and rainwater pipe network coverage. The coverage is used for comparing the number in the existing scheme with the ideal point distribution number according to the corresponding monitoring level, and determining each subentry score, wherein the score is the coverage.
And step S106, determining the monitoring point score of the area based on the coverage.
The coverage is calculated according to the position, the coverage is weighted, monitoring point scores of the whole area to be evaluated can be obtained, and the detection point scores are used for evaluating whether the drainage pipe network monitoring points are reasonable or not in sum.
According to the grading method for the monitoring points of the drainage pipe network, provided by the embodiment of the invention, the coverage of the area is calculated based on the monitoring level, the drainage element and the distribution information of the monitoring points of the area to be evaluated, the monitoring points of the area are graded according to the coverage, and the number of the monitoring points can be reasonably evaluated.
Example 2
The embodiment of the invention also provides another grading method for the monitoring points of the drainage pipe network; the method is realized on the basis of the method of the embodiment; the method mainly describes a specific implementation mode for acquiring the monitoring level of the area to be evaluated.
Fig. 2 shows a flow chart of another grading method for drainage pipe network monitoring points, which includes the following steps:
step S202, acquiring basic information and a monitoring purpose of a drainage pipe network of an area to be evaluated, and determining a monitoring level based on the basic information and the monitoring purpose of the drainage pipe network; the basic information of the drainage pipe network comprises background information and basic information of the drainage pipe network; the background information comprises historical climate information, hydrological information, ground elevation information and land utilization type information of the area; the basic data of the drainage pipe network comprises the length of a drainage pipeline, the number of inspection wells, the size and the position of a drainage port.
Basic information of the drainage network and monitoring purposes are used for determining the monitoring level. Wherein, the basic information of the drainage pipe network comprises background information and basic information of the drainage pipe network; the background information is mainly historical information of the area, and the historical climate data represents the climate data of the area for a period of time in the past. The hydrological information refers to information data of various phenomena such as spatial and temporal distribution and change rule of water in nature, and can be understood as the distribution conditions of rivers, lakes, rivers and underground water in the region. The ground elevation is the elevation of a certain point on the ground, and can be understood as the elevation information of the landform in the area. The land use type information indicates a type of land use in the area, and may be, for example, cultivated land, woodland, grassland, road, or the like.
The basic data of the drainage pipe network is mainly the basic drainage data of the area, including the length of the drainage pipeline, the number of inspection wells, the size and the position of a drainage port and the like.
The detection purpose comprises the following steps: accident emergency early warning, namely, early warning and forecasting are carried out on waterlogging, overflow and blocking accidents in time; identifying the mixed flow of rain and sewage, namely quantitatively identifying the amount of rain water in a rain season sewage system and analyzing the amount of sewage in a dry season rainwater system; the method comprises the following steps of (1) supervision of a drainage user line, namely real-time dynamic monitoring management of a heavy-spot drainage user; the system improves the quality and the efficiency, namely the overall operation efficiency of the drainage system is improved by monitoring, regulating and controlling a pump station and a sewage plant; model simulation application, namely, the monitoring data can support the calibration and verification of the drainage pipe network model, and the accuracy of model simulation is improved; and (4) status analysis and evaluation, namely evaluating the current operating load and assisting in developing long-term operation management of the pipe network.
For different detection purposes, corresponding detection levels are preset, and for each detection level, required drainage pipe network basic information is marked. That is to say, firstly, the detection level is determined according to the detection purpose, and if the basic information of the drainage pipe network required by the detection level is given, the grading of the corresponding level can be carried out. If the basic information of the drainage pipe network required by the detection level is not completely given, the grading of the corresponding level cannot be carried out.
And step S204, acquiring the drainage elements and monitoring point distribution information of the area to be evaluated.
Firstly, acquiring the distribution information of drainage elements and monitoring points, which can be represented by the following letters: m is1The number of the monitoring points of the discharge port in the confluence system is m2The number k of monitoring points of the rainwater drainage port1The number k of monitoring points of the sewage pipe network2The number of the monitoring points of the rainwater pipe network is; n is1The number of discharge openings, n, for a combined flow system2The number of the rainwater outlets is l1For the length of the sewage pipe network, /)2Is the length of the rain pipe network; n is2-2The number of the row openings with the nominal diameter larger than a first threshold value in the rainwater row openings is set; n is2-1The number of the row openings with the nominal diameter larger than the second threshold value in the rainwater row openings. Where the first threshold may be 800 and the second threshold may be 600.
Step S206, determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree.
For coverage corresponding to different monitoring levels, different scoring formulas are adopted, and the method can be executed through the steps A1-A3:
step a1, if the monitoring hierarchy is source monitoring, calculating the coverage of the region by the following function: q. q.s1＝m1/n1；q2＝m2/n2；q3＝2.5k1/l1；q4＝2.5k2/l2；
Step A2, if the monitoring level is partitioned monitoring, calculating the coverage of the area by the following function: q. q.s1＝m1/n1；q2＝m2/n2-2；q3＝10k1/l1；q4＝10k2/l2；
Step a3, if the monitoring hierarchy is global monitoring, calculating the coverage of the area by the following function: q. q.s1＝m1/n1；q2＝m2/n2-1；q3＝20k1/l1；q4＝20k2/l2；
Step A4, wherein q1For combined system of discharge coverage, q2For the coverage of the rain drain, q3For sewer network coverage, q4The coverage of the rainwater pipe network.
A different function is selected to calculate each coverage according to the monitoring level. The required amount in the coverage calculation process is provided by the drainage element and the distribution information of the monitoring points.
And step S208, determining the monitoring point score of the area based on the coverage.
After the four coverage degrees are determined, the watch point score for a region can be calculated by the following equation, P- α1×q1+α2×q2+α3×q3+α4×q4；
Wherein P is the monitoring point score of the region α1+α2+α3+α4＝1；α1Is q1α2Is q2α3Is q3α4Is q5The weight value of (2).
Here, it is to be noted that q is1And q is2Has a value range of [0,1 ]]And q is3And q is4May be greater than 1; i.e. for q3And q is4If the coverage is more than 1 in the calculation, 1 is taken in the calculation of the comprehensive evaluation score, which indicates that the optimal monitoring corresponding to the level can be met, and the value range of the comprehensive evaluation score P is [0,1 ]]。
The comprehensive score P needs to consider the weight occupied by each subentry index, the setting of the weight is different according to the monitoring attention point, and if the monitoring point scores P1 and α of the sewage system of the region need to be determined2And α4Can be set to 0, setting P1- α1×q1+α3×q3If necessary, determining the monitoring point scores P2, α of the rainwater system of the area3Can be set to 0, setting P3- α1×q1+α2×q2+α4×q4If the monitoring point score P3 of the sewage system and the rainwater system of the area needs to be determined, setting P3 to α1×q1+α2×q2+α3×q3+α4×q4Wherein, α1The value range is (0.25,0.4), α2The value range is (0.25,0.3), α3The value range is (0.15,0.3), α4The value range is (0.1, 0.25).
Besides, according to different monitoring levels, the number of ideal monitoring points of the area can be calculated by selecting different functions, and the method can be executed through steps C1-C3:
step C1, when the monitoring level is the source monitoring, setting the number Q of ideal monitoring points of the area as n1+n2-1+0.05(l1+l2)；
Step C2, when the monitoring level is the subarea monitoring, setting the number Q of ideal monitoring points of the area as n1+n2-2+0.1(l1+l2)；
Step C3, when the monitoring level is integral monitoring, setting the number Q of ideal monitoring points of the area as n1+n2+0.4(l1+l2)。
After the number of ideal monitoring points is calculated, if Q is not an integer, it needs to be rounded.
After the score of the monitoring points of the area is calculated, whether the area meets the detection requirement of the corresponding monitoring level can be judged according to the score of the monitoring points, and the steps D1-D2 are carried out:
step D1, if the score of the monitoring points of the area is larger than a preset first threshold value, determining that the area meets the detection requirement of the corresponding monitoring level;
and D2, if the score of the monitoring points of the area is not larger than the preset first threshold value, determining that the area does not meet the detection requirement of the corresponding monitoring level.
The first threshold value can be 0.6, whether the number of the existing monitoring points can meet the basic monitoring requirement of the corresponding level can be judged according to the comprehensive score P, and if the number P is less than 0.6, the number is too small and is not enough to complete the monitoring purpose under the level; on the basis that the comprehensive evaluation score P meets the basic requirement, paying attention to the scores of 4 items, if q is3And q is4If the number of the monitoring points is more than 1, the monitoring requirement of the level can be met, the number of the monitoring points can be properly reduced, or the monitoring points are compared with the distribution point number of the next level, and the aim of richer monitoring is supported.
A specific example is given below, referring to a schematic diagram of a grading method for a drainage pipe network monitoring point shown in fig. 3, first, background information and drainage pipe network basic data of a target area are collected, problems to be solved by a regional drainage system are known, the purpose of online monitoring of the drainage pipe network water quantity in a region is determined, and a corresponding monitoring level is determined according to the monitoring purpose; and then counting and calculating the distribution quantity of each element of the target area based on the ideal distribution requirement of each drainage element in each level monitoring, and grading the existing quantity setting.
The method comprises the steps of collecting background information and basic information of a drainage pipe network of a target area, knowing the problem to be solved urgently in a regional drainage system, determining the purpose of carrying out online monitoring on the water quantity of the drainage pipe network in a region, and determining a corresponding monitoring level according to the monitoring purpose.
(1) For background information and basic data of a drainage pipe network, the method comprises the following steps: the target area is a sponge test point area, and the area of the area is 25.24km in total2Wherein the radiation area of the drainage pipe network is 20.5km2(ii) a The length of the rainwater pipeline is about 79.5km, the number of main discharge openings at the tail end of the river is 75, the number of the rainwater discharge openings is 73, and the number of the confluence discharge openings is 2.
(2) The purpose of carrying out water quantity on-line monitoring in a target area is as follows: as a sponge city construction test point area, it is necessary to evaluate a construction effect, particularly a control effect of a runoff water amount. A monitoring system of the whole process is established from the source to the tail end according to the collecting process of rainfall runoff, so that the discharge condition of the rainfall runoff in a test point area can be comprehensively mastered, the fine management and problem diagnosis of each drainage subarea can be supported, standard evaluation and analysis are carried out on a source low-impact development project, and optimization and modification are supervised.
(3) Determining a corresponding monitoring level according to a monitoring purpose: according to the requirement of examination and evaluation of the sponge test point area, not only needs to master the whole drainage load, but also needs to support problem diagnosis and analysis, and evaluates the low-influence development and transformation projects of source blocks, and the corresponding monitoring level is used for source monitoring.
And secondly, counting and calculating the distribution quantity of each element of the target area based on the ideal distribution requirement of each drainage element in each level monitoring, and grading the existing quantity setting.
(1) Determining an ideal point distribution condition corresponding to a source monitoring level of a target area: trial spot area combined system discharge port n12; rainwater drainage outlet n273; length l of sewage pipe network181.2 km; rain pipe net length l279.5 km; ideal distribution number q of source monitoring level3＝n1+n2+0.4(l1+l2) 139.28, the number of monitoring points is 139 after rounding.
(2) Counting the distribution of each element in the current scheme: the existing distribution scheme is divided into a discharge port monitoring distribution, a pipe network monitoring distribution and a source project monitoring distribution as shown in the figure, and the water quantity online monitoring comprises liquid level and flow.
The row mouth monitoring part, 2 row mouths of confluence system arrange flow on-line monitoring, and the rainwater row mouth arranges according to 3 big watersheds, and the distribution arranges 20, 21 and 31, 72 in total.
The pipe network monitoring part is arranged at historical waterlogging-prone points (1), main pipes and important areas, and pre-alarms are carried out on waterlogging and pipeline running risks, and 14 liquid level monitoring points are counted; quantitatively analyzing the daily operation rule of the pipe network at the downstream flow monitoring points of the downstream pipe network or the main pipe network at the rain and sewage mixed joint, wherein the total number of the flow monitoring points is 12; there are 26 online water monitoring points in total.
In the source project part, different types such as residential districts, park greenbelts and the like are screened, and typical projects with representativeness are monitored, and 19 projects are monitored in total.
And (4) counting according to a monitoring scheme: on-line monitoring point m for combined system water discharge12; rainwater drainage outlet water quantity online monitoring point m220+21+ 31-72; sewage pipeline monitoring point k10; rainwater pipeline monitoring point k2＝26+19＝45。
(3) Dividing into items according to the statistical result and the ideal distribution number of the source monitoring level, dividing and combining into a system of covering the discharge outlet q1＝m1/n12/2 ═ 1; rainwater drainage cover q2＝m2/n2＝72/73＝0.986(ii) a Sewer pipe network cover q3＝2.5k1/l10; rainwater pipe net cover q4＝2.5k2/l2＝1.415。
And thirdly, integrating the scoring conditions of all the items, and quantitatively evaluating the overall rationality of the monitoring distribution quantity by combining the monitoring purpose of the target area and the corresponding monitoring level.
(1) The significance of the online monitoring of the water quantity according to the sponge test point area lies in evaluating the control condition of the rainwater runoff, ensuring the urban water safety, the water environment and the water ecology, if the sewage is directly discharged at the combined system discharge port, the influence on the water environment is obvious, and the coverage of the combined system discharge port accounts for α weight1The value of (A) is 0.4;
the rainwater drainage openings are relatively more, the runoff condition of the service area corresponding to each drainage opening can be analyzed only by ensuring the coverage as much as possible at the source monitoring level, and the weight occupied by the coverage of the rainwater drainage openings is α2The value of (a) is 0.35;
because the key focus of the sponge city is the rainwater system, the sewage system is not considered for the moment, and the coverage of the sewage pipe network accounts for α3The value of (A) is set as 0;
the monitoring of the rainwater pipe network part covers the source end and the process end, supports the fine diagnosis and the source project management, and takes α the weight of the coverage of the rainwater pipe network4The value of (A) is 0.25.
(2) And (3) calculating comprehensive scores: and calculating a comprehensive score according to the score and the set weight of each branch, wherein the coverage degree of the rainwater pipe network exceeds 1, and 1 is taken when the comprehensive score is calculated. P is 0.4 × 1+0.35 × 0.986+0.25 × 1 is 0.995.
(3) And (3) setting rationality evaluation on the number of monitoring points: according to the existing scheme, the area of the test point area is small, and the overall number of the water quantity on-line monitoring points can meet the requirements of a source monitoring level; the coverage degree on the rainwater pipe network monitoring points is relatively high, mainly because the construction effect assessment of the sponge city has certain particularity, 108 floor type projects are required to be assessed and evaluated in the test point area, and therefore, a part of margin is provided in the number of the monitoring point positions.
If the budget is sufficient, the number of the existing monitoring points can be installed to design a subsequent monitoring scheme, if the economic investment is constrained, the number of the monitoring points of the pipe network can be properly reduced, the whole number can be set to achieve a higher value, and the purpose of monitoring is guaranteed.
The method provided by the embodiment of the invention provides a method for evaluating the reasonability of the number of the online monitoring points of the water quantity of the drainage pipe network, which is used for distinguishing corresponding monitoring levels according to different drainage current situations and monitoring purposes of a target area, and quantitatively evaluating the number of the monitoring points by considering the coverage of the monitoring points on different elements.
In the method, the reasonability of monitoring point quantity setting is evaluated, the monitoring purpose of a target area is fully considered, the drainage on-line monitoring is divided into three levels of integral monitoring, subarea monitoring and source monitoring, the coverage density of monitoring points is gradually improved, and the waste of funds caused by the blind pursuit of one-step achievement and the setting of too many monitoring points is avoided; the importance of different drainage factors is considered when the number of monitoring points is set, and monitoring distribution points are optimized by setting different weights; the rationality of the number setting of the monitoring points can be evaluated quantitatively, and the evaluation score can be used for evaluating the existing scheme and supporting subsequent further adjustment and optimization.
Example 3
Corresponding to the above method embodiment, an embodiment of the present invention provides a scoring device for a drainage pipe network monitoring point, for example, a structural schematic diagram of the scoring device for a drainage pipe network monitoring point shown in fig. 4, where the scoring device for a drainage pipe network monitoring point includes:
the information acquisition module 41 is used for acquiring the monitoring levels, drainage elements and monitoring point distribution information of the area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; the drainage element comprises the number of confluence drainage ports, the number of rainwater drainage ports, the length of a sewage pipe network and the length of a rainwater pipe network; the monitoring point distribution information comprises the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points;
a coverage determining module 42, configured to determine coverage of the area based on the monitoring level, the drainage element, and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree;
and a score determining module 43, configured to determine a monitoring point score of the area based on the coverage.
According to the grading device for the monitoring points of the drainage pipe network, provided by the embodiment of the invention, the coverage of the area is calculated based on the monitoring level, the drainage element and the distribution information of the monitoring points of the area to be evaluated, the monitoring points of the area are graded according to the coverage, and the number of the monitoring points can be reasonably evaluated.
In some embodiments, the information acquisition module is configured to acquire basic information and a monitoring purpose of a drainage pipe network of an area to be evaluated, and determine a monitoring level based on the basic information and the monitoring purpose of the drainage pipe network; the basic information of the drainage pipe network comprises background information and basic information of the drainage pipe network; the background information comprises historical climate information, hydrological information, ground elevation information and land utilization type information of the area; the basic data of the drainage pipe network comprises the length of a drainage pipeline, the number of inspection wells, the size and the position of a drainage port.
In some embodiments, the coverage determination module is configured to calculate the coverage of the area by the following function if the monitoring level is source monitoring: q. q.s1＝m1/n1；q2＝m2/n2；q3＝2.5k1/l1；q4＝2.5k2/l2(ii) a If the monitoring level is partitioned monitoring, the coverage of the area is calculated by the following function: q. q.s1＝m1/n1；q2＝m2/n2-2；q3＝10k1/l1；q4＝10k2/l2(ii) a If the monitoring hierarchy is global monitoring, the coverage of the area is calculated by the following function: q. q.s1＝m1/n1；q2＝m2/n2-1；q3＝20k1/l1；q4＝20k2/l2(ii) a Wherein q is1For combined system of discharge coverage, q2For the coverage of the rain drain, q3For sewer network coverage, q4The coverage degree of the rainwater pipe network; m is1The number of the monitoring points of the discharge port in the confluence system is m2The number k of monitoring points of the rainwater drainage port1The number k of monitoring points of the sewage pipe network2The number of the monitoring points of the rainwater pipe network is; n is1The number of discharge openings, n, for a combined flow system2The number of the rainwater outlets is l1For the length of the sewage pipe network, /)2Is the length of the rain pipe network; n is2-2The number of the row openings with the nominal diameter larger than a first threshold value in the rainwater row openings is set; n is2-1The number of the row openings with the nominal diameter larger than the second threshold value in the rainwater row openings.
In some embodiments, a score determination module to determine a score by P- α1×q1+α2×q2+α3×q3+α4×q4Determining a watch point score for a region, wherein P is the watch point score for the region α1+α2+α3+α4＝1；α1Is q1α2Is q2α3Is q3α4Is q5The weight value of (2).
In some embodiments, the score determination module is configured to set P1- α if it is desired to determine a monitoring point score P1 for a sewage system of a region1×q1+α3×q3If the monitoring point score P2 of the rainwater system of the area needs to be determined, setting P3 to α1×q1+α2×q2+α4×q4If the monitoring point score P3 of the sewage system and the rainwater system of the area needs to be determined, setting P3 to α1×q1+α2×q2+α3×q3+α4×q4Wherein, α1The value range is (0.25,0.4), α2The value range is (0.25,0.3), α3The value range is (0.15,0.3), α4The value range is (0.1, 0.25).
In some embodiments, the apparatus further includes a detection requirement determining module, configured to determine that the area meets a detection requirement of the corresponding monitoring level if the score of the monitoring point of the area is greater than a preset first threshold; and if the score of the monitoring point of the area is not greater than a preset first threshold value, determining that the area does not meet the detection requirement of the corresponding monitoring level.
In some embodiments, the apparatus further includes an ideal monitoring point number determining module, configured to set the number Q of ideal monitoring points in the area to n when the monitoring level is the source monitoring1+n2-1+0.05(l1+l2) (ii) a When the monitoring level is partitioned monitoring, setting the number Q of ideal monitoring points of the area as n1+n2-2+0.1(l1+l2) (ii) a When the monitoring level is integral monitoring, the number Q of ideal monitoring points in the set area is equal to n1+n2+0.4(l1+l2)。
The grading device for the drainage pipe network monitoring points provided by the embodiment of the invention has the same technical characteristics as the grading method for the drainage pipe network monitoring points provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
Example 4
The embodiment of the invention also provides electronic equipment for operating the grading method of the drainage pipe network monitoring point; referring to fig. 5, the electronic device includes a memory 100 and a processor 101, where the memory 100 is used to store one or more computer instructions, and the one or more computer instructions are executed by the processor 101 to implement the scoring method for the drainage network monitoring point.
Further, the electronic device shown in fig. 5 further includes a bus 102 and a communication interface 103, and the processor 101, the communication interface 103, and the memory 100 are connected through the bus 102.
The Memory 100 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 103 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like can be used. The bus 102 may be an ISA bus, PCI bus, EISA bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 5, but this does not indicate only one bus or one type of bus.
The processor 101 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 101. The Processor 101 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 100, and the processor 101 reads the information in the memory 100, and completes the steps of the method of the foregoing embodiment in combination with the hardware thereof.
The embodiment of the invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are called and executed by a processor, the computer-executable instructions cause the processor to realize the grading method for the drainage pipe network monitoring points.
The grading method and device for drainage pipe network monitoring points and the computer program product of the electronic device provided by the embodiment of the invention comprise a computer readable storage medium storing program codes, instructions included in the program codes can be used for executing the method in the previous method embodiment, and specific implementation can be referred to the method embodiment, and is not described herein again.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the apparatus and/or the electronic device described above may refer to corresponding processes in the foregoing method embodiments, and are not described herein again.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A grading method for drainage pipe network monitoring points is characterized by comprising the following steps:
acquiring a monitoring level, a drainage element and monitoring point distribution information of an area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; the drainage element comprises the number of confluence drainage ports, the number of rainwater drainage ports, the length of a sewage pipe network and the length of a rainwater pipe network; the monitoring point distribution information comprises the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points;
determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree;
determining a watch point score for the region based on the coverage.
2. The method according to claim 1, wherein the step of obtaining a monitoring hierarchy of the area to be evaluated comprises:
acquiring basic information and a monitoring purpose of a drainage pipe network of an area to be evaluated, and determining a monitoring level based on the basic information and the monitoring purpose of the drainage pipe network; the basic information of the drainage pipe network comprises background information and basic information of the drainage pipe network; the background information comprises historical climate information, hydrological information, ground elevation information and land utilization type information of the area; the basic data of the drainage pipe network comprises the length of a drainage pipeline, the number of inspection wells, the size and the position of a drainage port.
3. The method of claim 1, wherein the step of determining the coverage of the area based on the monitoring hierarchy, the drainage element, and the monitoring point distribution information comprises:
if the monitoring hierarchy is the source monitoring, calculating the coverage of the area through the following function: q. q.s1＝m1/n1；q2＝m2/n2；q3＝2.5k1/l1；q4＝2.5k2/l2；
If the monitoring hierarchy is the partitioned monitoring, calculating the coverage of the area by the following function: q. q.s1＝m1/n1；q2＝m2/n2-2；q3＝10k1/l1；q4＝10k2/l2；
If the monitoring hierarchy is the overall monitoring, calculating the coverage of the area by the following function: q. q.s1＝m1/n1；q2＝m2/n2-1；q3＝20k1/l1；q4＝20k2/l2；
Wherein q is1For the combined system discharge opening coverage, q2For the coverage of the rainwater drainage outlet, q3For the sewage pipe network coverage, q4Covering degree for the rainwater pipe network; m is1The number of the monitoring points of the confluence system discharge port, m2Number of the monitoring points k of the rainwater drainage port1The number of the sewage pipe network monitoring points, k2The number of the rainwater pipe network monitoring points is the number of the rainwater pipe network monitoring points; n is1The number of discharge openings of the combined system, n2For the number of the rainwater outlets, l1For the sewage pipe network length, l2The length of the rainwater pipe network; n is2-2The number of the row openings with the nominal diameter larger than a first threshold value in the rainwater row openings is set; n is2-1The number of the row openings with the nominal diameter larger than a second threshold value in the rainwater row openings is determined.
4. The method of claim 3, wherein the step of determining a watch point score for the region based on the coverage comprises:
by P- α1×q1+α2×q2+α3×q3+α4×q4Determining a monitoring point score of the area:
wherein P is the score of the monitoring point of the area α1+α2+α3+α4＝1；α1Is q1α2Is q2α3Is q3α4Is q5The weight value of (2).
5. According to claim 4The method of (1), wherein the P-pass is α1×q1+α2×q2+α3×q3+α4×q4The step of determining the score of the monitoring points of the area comprises the following steps:
if the monitoring point score P1 of the sewage system of the area needs to be determined, setting P1- α1×q1+α3×q3；
If the monitoring point score P2 of the rainwater system of the area needs to be determined, setting P3- α1×q1+α2×q2+α4×q4；
If the monitoring point score P3 of the sewage system and the rainwater system of the area needs to be determined, setting P3 to α1×q1+α2×q2+α3×q3+α4×q4Wherein, α1The value range is (0.25,0.4), α2The value range is (0.25,0.3), α3The value range is (0.15,0.3), α4The value range is (0.1, 0.25).
6. The method of claim 1, further comprising:
if the score of the monitoring point of the area is larger than a preset first threshold value, determining that the area meets the detection requirement of the corresponding monitoring level;
and if the score of the monitoring point of the area is not greater than a preset first threshold value, determining that the area does not meet the detection requirement of the corresponding monitoring level.
7. The method of claim 3, further comprising:
when the monitoring level is the source monitoring, setting the number Q of ideal monitoring points of the region as n1+n2-1+0.05(l1+l2)；
When the monitoring hierarchy is the subarea monitoring, setting the number Q of ideal monitoring points of the area to be n1+n2-2+0.1(l1+l2)；
When the monitoring level is the integral monitoring, setting the number Q of ideal monitoring points of the area as n1+n2+0.4(l1+l2)。
8. The utility model provides a device of grading of drain pipe network monitoring point which characterized in that includes:
the information acquisition module is used for acquiring the monitoring level, the drainage element and the monitoring point distribution information of the area to be evaluated; the monitoring level comprises source monitoring, partition monitoring and overall monitoring; the drainage element comprises the number of confluence drainage ports, the number of rainwater drainage ports, the length of a sewage pipe network and the length of a rainwater pipe network; the monitoring point distribution information comprises the number of the combined system drainage port monitoring points, the number of the rainwater drainage port monitoring points, the number of the sewage pipe network monitoring points and the number of the rainwater pipe network monitoring points;
the coverage determining module is used for determining the coverage of the area based on the monitoring level, the drainage element and the monitoring point distribution information; the coverage degree comprises confluence system drainage port coverage degree, rainwater drainage port coverage degree, sewage pipe network coverage degree and rainwater pipe network coverage degree;
and the score determining module is used for determining the score of the monitoring points of the area based on the coverage degree.
9. An electronic device comprising a processor and a memory, the memory storing computer executable instructions executable by the processor, the processor executing the computer executable instructions to implement the steps of the method of scoring a drainage network monitoring point according to any one of claims 1 to 7.
10. A computer-readable storage medium having stored thereon computer-executable instructions that, when invoked and executed by a processor, cause the processor to perform the steps of the method of scoring a drainage network monitoring point of any of claims 1 to 7.
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