CN110781591A

CN110781591A - Urban drainage waterlogging prevention simulation system, method, equipment and storage medium

Info

Publication number: CN110781591A
Application number: CN201911011683.XA
Authority: CN
Inventors: 雒冬梅; 李庆; 邵明雪; 陈方正; 熊小安; 淡宏斌
Original assignee: Isoftstone Information Technology Co Ltd
Current assignee: Isoftstone Information Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-02-11

Abstract

The embodiment of the invention discloses a system, a method, equipment and a storage medium for simulating urban drainage waterlogging prevention. Wherein the system comprises: the data query module is used for querying the data of the drainage equipment in at least one database according to the type and the area information of the drainage facility; the current situation evaluation module is used for monitoring the running state of each drainage facility under each rain type based on an actual drainage model formed by the drainage equipment data to obtain a waterlogging monitoring result of the actual drainage model; the simulation module is used for respectively simulating the running state of each drainage facility in at least one planning drainage model under each rain model to obtain a water accumulation simulation result of each planning drainage model; and the construction plan suggestion module is used for comparing the accumulated water simulation result with the accumulated water monitoring result, sequencing the planning drainage models and generating a construction plan report. The drainage facility is replanned, urban inland inundation dangerous situations are avoided, and the life and property safety of people is guaranteed.

Description

Urban drainage waterlogging prevention simulation system, method, equipment and storage medium

Technical Field

The embodiment of the invention relates to urban flood prevention, waterlogging prevention and disaster reduction technologies, in particular to an urban drainage and waterlogging prevention simulation system, method, equipment and storage medium.

Background

The urban flood prevention safety matters relate to public safety, social stability and personal benefits. In recent years, with the frequent occurrence of urban waterlogging caused by heavy rainfall, municipal departments pay more attention to strengthening urban waterlogging detection and early warning and improving urban waterlogging risk prevention and treatment capacity.

In the prior art, aiming at urban inland inundation, a municipal department realizes inland inundation water clearance monitoring and road ponding alarming through inland inundation real-time detection technology, geographic information technology and the like, assists traffic dispersion and rescue personnel reasonable scheduling, combines road ponding real-time data, spatial position point information of road ponding points, a road network system, the positions of traffic commanders and the current situation of rescue goods and materials, and performs spatial and attribute data processing through a map server to form a traffic dispersion scheme or a rescue scheduling scheme.

The rescue scheme is implemented every time the dangerous waterlogging situation occurs, but the problem is not solved from the occurrence source of the dangerous waterlogging situation, so that the dangerous waterlogging situation can occur next time when large rainfall occurs, and the rescue scheme is implemented.

Disclosure of Invention

The embodiment of the invention provides a simulation system, a method, equipment and a storage medium for urban drainage waterlogging prevention, which are used for realizing the re-planning of drainage facilities, avoiding urban waterlogging dangerous situations and guaranteeing the life and property safety of people.

In a first aspect, an embodiment of the present invention provides an urban drainage waterlogging prevention simulation system, where the system includes: the system comprises a data query module, a current situation evaluation module, a simulation module and a construction plan suggestion module;

the data query module is used for querying the data of the drainage equipment in at least one database according to the type and the area information of the drainage facility;

the current situation evaluation module is used for monitoring the running state of each drainage facility under each rain type based on an actual drainage model formed by the drainage equipment data obtained by inquiry to obtain a ponding monitoring result of the actual drainage model, wherein the ponding monitoring result comprises a ponding risk point and a stagnant water risk index of the ponding risk point;

the simulation module is used for respectively simulating the running state of each drainage facility under each rain type based on at least one planning drainage model to obtain a water accumulation simulation result of the at least one planning drainage model, wherein the water accumulation simulation result comprises a water accumulation risk point and a water stagnation risk index of the water accumulation risk point;

and the construction plan suggesting module compares the ponding simulation result of the at least one planning drainage model with the ponding monitoring result of the actual drainage model, sorts the planning drainage models based on the ponding simulation result, and generates a construction plan report according to the comparison result, the sorting of the planning drainage models, the scheme cost of the planning drainage models and the project budget information.

In a second aspect, an embodiment of the present invention further provides an urban drainage waterlogging prevention simulation method, where the method includes:

querying drainage equipment data in at least one database according to the drainage facility type and the regional information;

under each rain type, monitoring the running state of each drainage facility based on an actual drainage model formed by the queried drainage equipment data to obtain a ponding monitoring result of the actual drainage model, wherein the ponding monitoring result comprises a ponding risk point and a stagnant water risk index of the ponding risk point;

under each rain type, based on at least one planning drainage model, respectively simulating the running state of each drainage facility to obtain a ponding simulation result of the at least one planning drainage model, wherein the ponding simulation result comprises a ponding risk point and a stagnant water risk index of the ponding risk point;

and comparing a ponding simulation result based on the at least one planning drainage model with a ponding monitoring result of the actual drainage model, sequencing the planning drainage models based on the ponding simulation result, and generating a construction plan report according to the comparison result, the sequencing of the planning drainage models, the scheme cost of the planning drainage models and the project budget information.

In a third aspect, an embodiment of the present invention further provides an apparatus, where the apparatus includes:

one or more processors;

storage means for storing one or more programs;

when the one or more programs are executed by the one or more processors, the one or more processors implement the simulation method for urban drainage waterlogging prevention according to any one of the embodiments of the present invention.

In a fourth aspect, the present invention further provides a storage medium containing computer-executable instructions, where the computer-executable instructions, when executed by a computer processor, are configured to implement a simulation method for urban drainage waterlogging prevention according to any one of the embodiments of the present invention.

The embodiment of the invention develops an urban drainage waterlogging prevention simulation system, which comprises: the system comprises a data query module, a current situation evaluation module, a simulation module and a construction plan suggestion module; the data query module is used for querying the data of the drainage equipment in at least one database according to the type of the drainage facility and the regional information; the current situation evaluation module is used for monitoring the running state of each drainage facility under each rain type based on an actual drainage model formed by the drainage equipment data obtained by inquiry to obtain a ponding monitoring result of the actual drainage model, wherein the ponding monitoring result comprises a ponding risk point and a stagnant water risk index of the ponding risk point; the simulation module is used for respectively simulating the running state of each drainage facility under each rain type based on at least one planning drainage model to obtain a water accumulation simulation result of the at least one planning drainage model, wherein the water accumulation simulation result comprises a water accumulation risk point and a water stagnation risk index of the water accumulation risk point; and the construction plan suggesting module compares the ponding simulation result of the at least one planning drainage model with the ponding monitoring result of the actual drainage model, sorts the planning drainage models based on the ponding simulation result, and generates a construction plan report according to the comparison result, the sorting of the planning drainage models, the scheme cost of the planning drainage models and the project budget information. The problem of dangerous situation can't be solved from the root when the flood calamity takes place in solving prior art in the city, realized replanning the drainage facility, avoided the emergence of urban waterlogging dangerous situation, the effect of guarantee people's life and property safety.

Drawings

Fig. 1 is a schematic structural diagram of an urban drainage waterlogging prevention simulation system according to a first embodiment of the present invention;

FIG. 2 is a functional architecture diagram of an urban drainage waterlogging prevention simulation system according to a first embodiment of the present invention;

FIG. 3 is a functional interface diagram of an urban drainage waterlogging prevention simulation system according to a first embodiment of the present invention;

FIG. 4 is a flow chart of a simulation method for urban drainage waterlogging prevention according to a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of an apparatus in a third embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Example one

Fig. 1 is a schematic structural diagram of an urban drainage waterlogging prevention simulation system according to an embodiment of the present invention, and as shown in fig. 1, the system includes: the system comprises a data query module 11, a current situation evaluation module 12, a simulation module 13 and a construction plan suggestion module 14.

Optionally, as shown in fig. 2, the data query module 11, the current situation assessment module 12, the simulation module 13, and the construction plan suggestion module 14 may be displayed in a service layer of the system, where the service layer of the system is used to display service function modules in the system, where the service function modules include: the data query module 11, the current situation evaluation module 12, the simulation module 13 and the construction plan suggestion module 14 are used for constructing a GUI functional interface of the urban drainage waterlogging prevention simulation system, the data query module 11, the current situation evaluation module 12, the simulation module 13 and the construction plan suggestion module 14 are arranged on the interface, system workers can query drainage equipment data according to service scene requirements and the data query module 11 selects area information and drainage facility types to which all monitored ponding conditions belong. The current situation evaluation module 12 monitors the accumulated water of the actual drainage model under each rainfall type. The simulation module 13 may re-plan the actual drainage model to form a planned drainage model based on the monitoring result of the actual drainage model in each rainfall type, where the drainage model may be one or multiple, and the simulation module simulates the operation state of each drainage facility based on the planned drainage model to obtain the simulation result of the planned drainage model. The construction plan suggesting module 14 compares the results of the actual drainage model and the planned drainage model, sorts the planned drainage models according to the simulation results of the planned drainage models, and generates a construction plan report according to the comparison results, the sorts of the planned drainage models, the plan cost of the planned drainage model, and the project budget information. The report can be submitted to a city planning staff, so that the city planning staff can improve the urban drainage system according to the simulation result, and the safe drainage of the urban drainage system is guaranteed.

The data query module 11 is configured to query the drainage equipment data in at least one database according to the drainage facility type and the area information.

Illustratively, a drainage facility is a facility that drains water in a municipal drainage system, and drainage facility types include, but are not limited to: catchment areas, pipelines, orifices, water outlets, pump stations, weirs, connecting nodes, water outlets and the like. The regional information is the region to which the current information displayed by the functional interface belongs, and the regional information can be administrative regions divided according to provinces and cities, such as Beijing city and Tianjin city; or a certain area of a certain city customized by the system administrator, such as the hai lake area of beijing, the east li area of tianjin, etc. The drainage equipment data is according to selected regional information and drainage facility type, inquire the selected regional information in the database and correspond, the quantity and position of drainage equipment corresponding to each selected drainage facility type, wherein, regional division and drainage facility type are all carried out in the console of the urban drainage waterlogging prevention simulation system, the database stores the quantity of drainage equipment corresponding to each drainage facility type in each regional information and the position data in the drainage system in the corresponding regional information, the database stores in the data layer of the system, for example, the data of the drainage outlet and the water outlet of the Beijing market lake zone need to be inquired, then select the Beijing market lake zone, the drainage outlet and the water outlet in the Beijing market lake zone in the data query module 11, then inquire the data of the drainage outlet and the water outlet in the Beijing market lake zone in the database, inquire the total number of the drainage outlets of the Beijing market lake zone 345, the total number of the water outlets is 289.

Optionally, the data query module 11 includes: layer selection unit 110, region information selection unit 111, and model rendering unit 112.

Optionally, the area information selecting unit 110 is configured to receive externally input area information, or detect selected area information, and screen drainage device data corresponding to the area information in at least one database according to the area information.

Illustratively, a region information selection unit 110 is provided in a GUI functional interface of the urban drainage waterlogging prevention simulation system, when selecting region information, the region information selection unit may receive a region name input by a user, if a plurality of regions in a certain city are selected, the city map may be retrieved, the region information is selected in the city map, the database is queried for the number of drainage devices corresponding to all drainage facility types in the selected region information and the positions in the drainage system of the whole selected region information according to the selected region information, wherein the database stores the number of drainage devices and the position data corresponding to the selected drainage facility types in the selected region information, the database is stored in a data layer of the system, for example, the drainage device data of beijing city needs to be queried, then the beijing city is input in the region information selection unit 110, the data of the drainage equipment in Beijing city can be inquired in the database, and 1 ten thousand drainage equipment in Beijing city can be inquired.

Optionally, the layer selecting unit 111 is configured to, when it is monitored that the drainage facility type identifier is selected, match, according to the selected drainage facility type identifier, drainage equipment data corresponding to the area information in the database corresponding to the drainage facility type identifier to obtain drainage equipment data corresponding to the selected drainage facility type identifier.

Illustratively, a layer selection unit 111 is provided in a GUI functional interface of the urban drainage waterlogging prevention simulation system, identifiers and names of various drainage facility types are marked below the layer selection unit 111, when it is detected that an identifier and a name of any drainage facility type are selected (for example, clicked), the clicked identifier and corresponding drainage equipment data in the selected area information are matched to obtain drainage equipment data corresponding to the selected drainage facility type identifier, for example, when identifiers of two drainage facility types, namely a drainage outlet and a water outlet, are clicked in the layer selection unit 111, matching is performed according to 1 ten thousand of previously selected drainage equipment data in beijing city to obtain 1 ten thousand of drainage equipment, wherein the total number of the drainage outlets is 650, and the total number of the water outlets is 590.

Optionally, the model rendering unit 112 is configured to render the identifier or the graph of the matched drainage device data in the drainage model of the area information.

Illustratively, in the drainage system of the selected area information, the drainage facility identifier obtained by matching is marked at the position of the drainage equipment corresponding to the matched drainage facility type in the drainage system, wherein different drainage facility types can be marked by different identifiers, wherein the drainage system of the selected area information is visualized in the form of a two-dimensional graph, as shown in fig. 3, for example, in the two-dimensional graph of the drainage system in beijing, the drainage port is marked by the identifier "●", and the drainage port is marked by the identifier "◆".

In the technical solution of the above embodiment, the advantage of setting the area information selection unit and the layer selection unit is that the system can call the number of the drainage devices corresponding to the types of the area information and the drainage facility and the positions in the drainage system of the whole selected area information based on the area name input by the user and the selected drainage facility, thereby realizing the reusability and the combination flexibility of the model, improving the working efficiency of system designers, and saving manpower, material resources and financial resources.

In the technical scheme of the embodiment, the model rendering unit is arranged, so that the marks or the graphs of the drainage equipment data obtained by matching can be rendered in the drainage model of the selected regional information by using different marks and charts, the drainage facility type and the drainage equipment data corresponding to the drainage facility type are more vividly and vividly displayed, system managers and city managers can understand and analyze the urban drainage condition conveniently, the visualization of the drainage equipment data is realized, the working efficiency of the system managers and the urban managers is improved, and the manpower, the material resources and the financial resources are saved.

Optionally, the current situation assessment module 12 is configured to monitor an operation state of each drainage facility in each rain type based on an actual drainage model formed by the drainage device data obtained through querying, and obtain a water accumulation monitoring result of the actual drainage model, where the water accumulation monitoring result includes a water accumulation risk point and a water stagnation risk index of the water accumulation risk point.

The rain types are illustratively different rain types, and may be, but are not limited to, light rain, heavy rain, and extra heavy rain, and may be short duration rainstorm and long duration rainstorm, 10 year duration rainstorm, and the like. Under each rain type, an actual drainage model is formed based on drainage equipment data obtained by inquiring region information and drainage facility types, the running state of each drainage facility in the actual drainage model is monitored, water stagnation risk indexes of accumulated water risk points and accumulated water risk points of each drainage facility are calculated, water stagnation risk indexes of the accumulated water risk points and the accumulated water risk points of the actual drainage model are obtained, the influence of factors such as water stagnation depth and water stagnation duration is comprehensively considered, and the rainfall capacity of the actual drainage model, the accumulated water quantity of each drainage facility, the water stagnation risk indexes of the accumulated water risk points and the like are automatically and dynamically displayed.

Optionally, the presence evaluation module 12 includes: a calculation scheme selection unit 120, a rain type selection unit 121, an online calculation unit 122, and a calculation result visualization unit 123.

Optionally, the calculation scheme selecting unit 120 is configured to determine a calculation scheme of the drainage model of each drainage facility. Wherein, the calculation scheme of the drainage model of each drainage facility comprises the following steps: constant flow, kinetic wave and kinetic wave methods.

Illustratively, the calculation scheme selection unit creates a calculation scheme from the drainage model of the selected drainage facility and area information, wherein the calculation scheme includes a name of the calculation scheme, a selected rain type, a calculation start time, a calculation end time, a calculation step size, an output step size, and the like, and the name of the calculation scheme may be composed of the selected rain type, a number and a special character, wherein the number is defined according to the number of the calculation scheme, and if the calculation scheme is the first scheme in the rain type, the calculation scheme is defined by a number "1", for example, the name of the calculation scheme is: a "short duration one year rainstorm-1 calculation scenario", wherein "short duration one year rainstorm" is a selected rain pattern and the number "1" is the first scenario where the calculation scenario is a selected one and/or ones of the drainage facilities in the rain pattern. The calculation start time is the time from which rainfall starts to calculate the water monitoring results in the calculation scheme. The calculation termination time is the time when the accumulated water monitoring result in the calculation scheme is terminated. For example, in a rain type of a heavy rain that is a year short, the 10 th minute after the start of the heavy rain is the calculation start time, and the 10 th minute before the stop of the heavy rain is the calculation stop time. The calculation step is a speed of calculation of the water detection result, for example, the calculation speed of water detection is 0.23 sec/step.

Optionally, the rain type selecting unit 121 is configured to provide a rain type for the user to select, and detect the rain type selected by the user.

And the online calculating unit 122 is used for calculating the stagnant water risk index of each ponding risk point according to the collected data of each drainage facility under the selected rain model based on the actual drainage model.

Illustratively, based on the determined calculation scheme of the drainage model of each drainage facility, under a selected rain type, calculating the stagnant water risk index of each stagnant water risk point according to the collected data of each drainage facility, wherein the online calculation unit displays the online calculation running state of the stagnant water risk index of each stagnant water risk point calculated in the collected data of each drainage facility, the online calculation running state comprises two parts of calculation in progress and calculation completed, and the online calculation running state comprises information of a model name, a calculation scheme name, a calculation state, time and the like. For example, the model name may be composed of a selected area name and a selected drainage facility type name, for example, the model name is: "Beijing actual outlet model". The calculation state is divided into a state in which calculation is being performed and a state in which the calculation is completed.

Optionally, the calculation result visualization unit 123 is configured to render the water accumulation risk points calculated by the online calculation unit in the actual drainage model, and display the stagnant water risk index of each water accumulation risk point.

For example, the identification of the water accumulation risk point calculated by the online calculation unit and the name of the drainage facility corresponding to the water accumulation risk point are displayed in the actual drainage model, wherein the name of the drainage facility corresponding to the water accumulation risk point can be displayed in a color of yellow or red for representing an alarm, and meanwhile, the water stagnation risk index, the water stagnation duration, the water stagnation depth, the functional area type and the like of the water accumulation risk point are displayed. The water-retention risk indexes are distinguished by colors according to risk degrees, for example, the water-retention risk index is below 10, and numerical values of the water-retention risk indexes are marked by blue fonts to represent no water-retention risk; the water-retention risk index is between 10 and 70, and the numerical value of the water-retention risk index is marked by yellow fonts to indicate that the water-retention risk is small; the water-retention risk index is more than 70, and the numerical value of the water-retention risk index is marked by a red font to indicate that the water-retention risk is larger. The functional area type refers to the type of the place where the ponding risk point is located, and the type of the place comprises culverts, commercial districts, subway stations, bridge caves and the like.

In the technical solution of the above embodiment, the advantage of setting the calculation scheme selection unit, the rain type selection unit and the online calculation unit is that system management personnel and city management personnel can select the calculation scheme and the rain type according to the requirements, and perform online calculation according to the selected calculation scheme and the rain type, so as to provide calculation results under different calculation schemes and rain types, so that the system management personnel and the city management personnel can know the calculation states of different calculation schemes and rain types in real time, thereby realizing the reusability and the combination flexibility of the model, improving the work efficiency of system design personnel, and saving manpower, material resources and financial resources.

In the technical solution of the above embodiment, the setting of the calculation result visualization unit has the advantages that the identification of the ponding risk point calculated by the online calculation unit and the name of the drainage facility corresponding to the ponding risk point are displayed in the actual drainage model by using different colors according to the height of the risk index, and the stagnant water risk index, the stagnant water duration, the stagnant water depth, the type of the functional area, and the like of the ponding risk point are displayed at the same time. The stagnant water risk indexes are distinguished according to the risk degree by colors, so that the stagnant water risk indexes of the accumulated water risk points and the accumulated water risk points are more vividly and vividly displayed, the visualization of an accumulated water monitoring result is realized, system managers and city managers can conveniently understand and analyze the urban drainage condition, and the work efficiency of the system managers and the urban managers is improved.

Optionally, the simulation module 13 is configured to, under each rain type, respectively simulate the operation state of each drainage facility based on at least one planning drainage model to obtain a water accumulation simulation result of the at least one planning drainage model, where the water accumulation simulation result includes a water accumulation risk point and a water stagnation risk index of the water accumulation risk point.

For example, in each rain type, according to the accumulated water monitoring result obtained in the calculation scheme in the current situation evaluation module 12, the calculation scheme to which the accumulated water risk point in the accumulated water monitoring result in the actual drainage model and the accumulated water risk point with a high water-stagnation risk index of the accumulated water risk point belong is re-planned, specifically, a drainage facility may be added in the calculation scheme of the actual drainage model, for example, a drainage port and the like may be added in the calculation scheme of the actual drainage model to form at least one planned drainage model, then the operation state of each drainage facility is simulated respectively to monitor the operation state of each drainage facility, specifically, the accumulated water risk point in the actual drainage model may be monitored, whether the risk level of the accumulated water risk point is reduced or not reduced in the planned drainage model, and whether the water-stagnation risk index of the accumulated water risk point is reduced or not, and counting the ponding risk points and the stagnant water risk indexes of the ponding risk points in the at least one planning drainage model to obtain a ponding simulation result of the at least one planning drainage model, wherein the ponding simulation result comprises the ponding risk points and the stagnant water risk indexes of the ponding risk points.

In the technical solution of the above embodiment, the simulation module is configured to respectively simulate the operation state of each drainage facility in each rain type based on at least one planning drainage model, and the advantage of obtaining the accumulated water simulation result of at least one planning drainage model is that the simulation module can re-plan the actual drainage model when an accumulated water risk point occurs according to the actual drainage model in different rain types, and perform dynamic real-time monitoring simulation on the operation state of each drainage facility in the re-planned planning drainage model, so that system managers and city managers can plan emergency schemes in advance before dangerous situations occur, and good user experience is provided. The simulation result of the planning drainage model is provided for urban planning personnel through the simulation module, the planned drainage model can be planned in advance without changing the actual drainage facility, and the ponding simulation result of the planning drainage model is obtained, so that the urban actual drainage facility is prevented from being planned before the ponding simulation result of the planned drainage model is unknown, and the loss of a large amount of manpower, material resources and financial resources is avoided.

Optionally, the simulation module 13 is further configured to obtain current weather forecast information, simulate an operation state of each drainage facility based on the actual drainage model and the current weather forecast information, and generate alarm information when a simulation result includes the water accumulation risk point.

For example, the simulation module 13 may receive current weather forecast information in real time, add the received current weather forecast information to the actual drainage model, and simulate the operation state of each drainage facility in the actual drainage model to which the current weather forecast information is added, for example, the current weather forecast information is rainstorm, add the information to the actual drainage model, because of the addition of the rainstorm information, the operation state of each drainage facility in the actual drainage model may change, for example, the drainage amount of the drainage port increases, the water amount of the catchment area increases, and the like, which may result in drainage facilities that are not water accumulation risk points in the actual drainage model before the rainstorm information is added, become water accumulation risk points in the actual drainage model to which the rainstorm information is added, count the water accumulation risk points in the actual drainage model to which the rainstorm information is added, obtaining a simulation result of an actual drainage model added with rainstorm information, and when a water accumulation risk point appears in the simulation result, generating alarm information by the system, wherein the alarm information can be an alarm sound representing an alarm signal, for example, the system continuously sends out a 'sting' alarm sound, the alarm information can also be a speaking box which is popped out from the system, the alarm information is written in the speaking box, for example, the content in the speaking box is 'the water accumulation risk point appears, the water accumulation risk point is a drainage outlet located in a commercial district', and the alarm information can also be a form that the alarm sound and the speaking box appear simultaneously.

In the technical solution of the above embodiment, the simulation module is configured to obtain current weather forecast information, simulate the operation state of each drainage facility based on the actual drainage model and the current weather forecast information, and generate alarm information when the simulation result includes a water accumulation risk point, which is advantageous in that the system can receive the current weather forecast information in real time, add the current weather forecast information to the actual drainage model, dynamically monitor each drainage facility in the actual drainage model added with the current weather forecast information in real time, and when the occurrence of the water accumulation risk point is monitored, the system gives an alarm, so that the system manager and the city manager can know the operation condition of each drainage facility in the drainage system of the city in real time under the condition of knowing the current weather, know the occurrence condition of the water accumulation risk point in advance, and can make an emergency scheme in advance, the urban water accumulation condition is avoided, the manpower, material resources and financial resources are saved, and the life and property safety of people is guaranteed.

Optionally, the simulation module 13 is further configured to segment the planned drainage model or the actual drainage model, perform parallel simulation on at least two sub models obtained by the segmentation, and combine simulation results of the sub models to obtain a calculation result.

For example, when performing simulation calculation on the planned drainage model or the actual drainage model, the simulation module 13 segments the planned drainage model or the actual drainage model to obtain a plurality of sub models of the planned drainage model or the actual drainage model, respectively simulates each sub model to obtain a simulation result of each sub model, and combines the simulation results of each sub model to obtain a calculation result of the planned drainage model or the actual drainage model.

In the technical solution of the above embodiment, the simulation module is configured to divide the planned drainage model or the actual drainage model, perform parallel simulation on at least two sub models obtained by the division, and combine the simulation results of the sub models to obtain the calculation result.

Optionally, the construction plan suggesting module 14 compares the accumulated water simulation result of at least one of the planning drainage models with the accumulated water monitoring result of the actual drainage model, sorts the planning drainage models based on the accumulated water simulation result, and generates a construction plan report according to the comparison result, the sorting of the planning drainage models, the planning drainage model scheme cost, and the engineering budget information.

The planned drainage model can be determined according to the actual drainage model and a water accumulation monitoring result of the actual drainage model, and specifically, different types of drainage equipment, such as a water outlet, an orifice, a water outlet and the like, can be arranged at a water accumulation risk point to form the planned drainage model. Illustratively, the simulation result obtained in each planning drainage model simulated in the simulation module is compared with the accumulated water detection result in the actual drainage model, optionally, the water accumulation risk points in the water accumulation monitoring result of the actual drainage model may be compared with the corresponding water accumulation risk points in the water accumulation simulation result of each planning drainage model, or the water accumulation risk indexes of the water accumulation risk points in the water accumulation monitoring result of the actual drainage model may be compared with the water accumulation risk indexes of the corresponding water accumulation risk points in the water accumulation simulation result of each planning drainage model, the planning drainage model in which the number of the water accumulation risk points is less than that in the water accumulation monitoring result of the actual drainage model is screened, or screening a planning drainage model in which the water stagnation risk index of the water accumulation risk point is smaller than the water stagnation risk index of the corresponding water accumulation risk point in the water accumulation monitoring result of the actual drainage model. And (4) counting the ponding risk points in each planning drainage model and the stagnant water risk indexes of the ponding risk points to obtain the ponding simulation results of each planning drainage model, and sequencing the ponding simulation results of each planning drainage model. Optionally, the screened planning drainage models may be sorted according to the number of water accumulation risk points and/or the water stagnation risk index, for example, the number of water accumulation risk points in each planning drainage model may be sorted from a small number to a large number, the water stagnation risk indexes of the water accumulation risk points in each planning drainage model may be sorted from a low number to a high number, or the water stagnation risk indexes may be sorted from a low number to a high number according to the number of water accumulation risk points and the weighted value of the water stagnation risk indexes. And finally, generating a construction plan report according to the comparison result, the sequence of each planned drainage model, the scheme cost of each planned drainage model and the engineering budget information.

In the technical solution of the above embodiment, the setting of the construction plan suggestion module has the advantages that the ponding simulation results of the planned drainage models can be compared with the ponding monitoring results of the actual drainage models, the planned drainage models are sorted based on the ponding simulation results, and the construction plan report is generated according to the comparison results, the sorting of the planned drainage models, the plan drainage model scheme cost and the engineering budget information, so that the urban management staff can better know the planned drainage models, and can better decide whether to re-plan the urban drainage system according to the planned drainage models according to the generated construction plan report and the implementability in the planned drainage models in the generated construction plan report, thereby improving the urban drainage effect.

For example, as shown in fig. 2, the city drainage waterlogging prevention simulation function architecture diagram is shown in fig. 2, and the city drainage waterlogging prevention simulation function architecture diagram includes: service layer, console, data layer and data exchange layer. Service function module in the system: the data query module 11, the current situation evaluation module 12, the simulation module 13 and the construction plan suggestion module 14 are all displayed on a service layer of the system; the management of the actual drainage model, the management of each planned drainage model, the management of a calculation scheme, the management of a stagnant water risk index of a ponding risk point, the management of a construction plan report and the like are called by system management personnel in a system console; data such as drainage facility types, area division and drainage equipment data, accumulated water monitoring results, accumulated water simulation results and the like are stored in a data layer of the system; the calculation methods of a constant flow method, a motion wave method and a power wave method in the calculation scheme of the drainage model of each drainage facility, the accumulated water monitoring result and the model rendering result in the current situation evaluation module, the data in the calculation process and the rendering process of visualizing the accumulated water simulation result and the calculation result in the simulation module and the like are all applied with specific software, such as office software and the like, various data in the model are stored in the system, because a system manager does not need to call all data stored in the system when calling the data in a control console, only the data needing to be displayed in a service layer needs to be called by the control console, but because the service layer needs to display a plurality of data, the control console needs to call different data types, therefore, all the data stored in the system need to be subjected to format conversion so as to be called by the control console and displayed in the service layer, the data exchange layer in the system can convert various data stored in the system into different formats and store the data in files with different formats, such as a model data file, wherein basic data for model calculation is stored, and the storage format is hdf format; a model element file, in which data of each drainage facility and the like are stored, and the storage format is a shape format; and the calculation result file stores the encrypted binary calculation result in a dat format. The files with different formats and different data are stored in the data layer, and the data in the data layer is called by the console and displayed in the service layer.

Optionally, the urban drainage waterlogging prevention simulation system is developed based on a WebGIS technology. Illustratively, the urban drainage waterlogging prevention simulation system is developed based on a WebGIS technology, SaaS (software as a service) service can be provided, and a user can log in the urban drainage waterlogging prevention simulation system at any client to obtain information such as a dynamic waterlogging detection result and a waterlogging distribution condition in the urban drainage waterlogging prevention simulation system.

In the technical scheme of the embodiment, the urban drainage waterlogging prevention simulation system is developed based on the WebGIS technology, and the user can log in the urban drainage waterlogging prevention simulation system at any client side, acquire information such as a ponding detection result and a ponding distribution condition in the urban drainage waterlogging prevention simulation system, and visually and dynamically display the information such as the ponding detection result and the ponding distribution condition in the form of a chart and the like.

According to the technical scheme of the embodiment, by developing the urban drainage waterlogging prevention simulation system, the system comprises: the system comprises a data query module, a current situation evaluation module, a simulation module and a construction plan suggestion module; the data query module is used for querying the data of the drainage equipment in at least one database according to the type and the area information of the drainage facility; the current situation evaluation module is used for monitoring the running state of each drainage facility under each rain type based on an actual drainage model formed by the drainage equipment data obtained by query to obtain a ponding monitoring result of the actual drainage model, wherein the ponding monitoring result comprises a ponding risk point and a ponding risk index of the ponding risk point; the simulation module is used for respectively simulating the running state of each drainage facility under each rain type based on at least one planning drainage model to obtain a water accumulation simulation result of the at least one planning drainage model, wherein the water accumulation simulation result comprises a water accumulation risk point and a water stagnation risk index of the water accumulation risk point; and the construction plan suggestion module is used for comparing a ponding simulation result of at least one planning drainage model with a ponding monitoring result of an actual drainage model, sequencing the planning drainage models based on the ponding simulation result, and generating a construction plan report according to the comparison result, the sequencing of the planning drainage models, the scheme cost of the planning drainage models and the project budget information. The problem of dangerous situation can't be solved from the root when the flood calamity takes place in solving prior art in the city, realized replanning the drainage facility, avoided the emergence of urban waterlogging dangerous situation, the effect of guarantee people's life and property safety.

Example two

Fig. 4 is a flowchart of an urban drainage waterlogging prevention simulation method according to an embodiment of the present invention, where the method is applicable to avoid waterlogging in an urban area, and the method may be executed by an urban drainage waterlogging prevention simulation system, where the urban drainage waterlogging prevention simulation system may be implemented by software and/or hardware, and specifically includes the following steps:

s210, inquiring the drainage equipment data in at least one database according to the drainage facility type and the area information.

Optionally, querying the drainage device data in at least one database according to the drainage facility type and the area information includes: receiving externally input area information or detecting selected area information, and screening drainage equipment data corresponding to the area information in at least one database according to the area information; when it is monitored that the drainage facility type identifier is selected, according to the selected drainage facility type identifier, matching drainage equipment data corresponding to the area information in the database corresponding to the drainage facility type identifier to obtain drainage equipment data corresponding to the selected drainage facility type identifier; and rendering the identifier or the graph of the matched drainage equipment data in a drainage model of the region information.

In the technical scheme of the embodiment, the method comprises the steps of receiving externally input area information, or detecting selected area information, and screening drainage equipment data corresponding to the area information in at least one database according to the area information; when it is monitored that the drainage facility type identifier is selected, according to the selected drainage facility type identifier, the drainage equipment data corresponding to the region information in the database corresponding to the drainage facility type identifier is matched, and the drainage equipment data corresponding to the selected drainage facility type identifier is obtained.

In the technical solution of the above embodiment, the setting of rendering the identifier or the graph of the drainage equipment data obtained by matching in the drainage model of the regional information has the advantages that the identifier or the graph of the drainage equipment data obtained by matching can be rendered in the drainage model of the selected regional information by using different identifiers and charts, so that the drainage facility type and the drainage equipment data corresponding to the drainage facility type are more vividly and vividly displayed, the system manager and the city manager can understand and analyze the urban drainage condition conveniently, the work efficiency of the system manager and the city manager is improved, and the manpower, material resources and financial resources are saved.

S220, under each rain type, monitoring the running state of each drainage facility based on an actual drainage model formed by the drainage equipment data obtained through query to obtain a ponding monitoring result of the actual drainage model, wherein the ponding monitoring result comprises a ponding risk point and a stagnant water risk index of the ponding risk point.

Optionally, firstly, determining a calculation scheme and a rainfall type of a drainage model of each drainage facility; based on the actual drainage model, under the selected rain type, calculating the stagnant water risk index of each ponding risk point according to the collected data of each drainage facility and the calculation scheme of the drainage model of the currently selected drainage facility; rendering the obtained water accumulation risk points in the actual drainage model, and displaying the stagnant water risk index of each water accumulation risk point, wherein the calculation scheme of the drainage model of each drainage facility comprises the following steps: constant flow, kinetic wave and kinetic wave methods.

In the technical scheme of the embodiment, a calculation scheme and a rainfall type for determining a drainage model of each drainage facility are set; based on the actual drainage model, under the selected rain type, according to the collected data of each drainage facility and the calculation scheme of the drainage model of the currently selected drainage facility, the advantage of calculating the stagnant water risk index of each accumulated water risk point is that system management personnel and city management personnel can select the calculation scheme and the rain type according to the requirements and perform online calculation according to the selected calculation scheme and the rain type so as to provide calculation results under different calculation schemes and rain types, so that the system management personnel and the city management personnel can know the calculation states of different calculation schemes and rain types in real time, the reusability and the combination flexibility of the models are realized, the working efficiency of system design personnel is improved, and the manpower, material resources and financial resources are saved.

In the technical solution of the above embodiment, the setting of rendering the obtained water accumulation risk points in the actual drainage model and displaying the stagnant water risk index of each water accumulation risk point has the advantages that the calculated identifications of the water accumulation risk points and the names of the drainage facilities corresponding to the water accumulation risk points display the names of the drainage facilities corresponding to the water accumulation risk points in the actual drainage model by using different colors according to the height of the risk index, and at the same time, the stagnant water risk index, the stagnant water duration, the stagnant water depth, the functional area type and the like of the water accumulation risk points are displayed. The stagnant water risk indexes are distinguished according to the risk degree by colors, so that the stagnant water risk indexes of the accumulated water risk points and the accumulated water risk points are more vividly and vividly displayed, the visualization of an accumulated water monitoring result is realized, system managers and city managers can conveniently understand and analyze the urban drainage condition, and the work efficiency of the system managers and the urban managers is improved.

And S230, under each rain type, respectively simulating the running state of each drainage facility based on at least one planning drainage model to obtain a water accumulation simulation result of the at least one planning drainage model, wherein the water accumulation simulation result comprises a water accumulation risk point and a water stagnation risk index of the water accumulation risk point.

Under each rain type, based on at least one planning drainage model, the running state of each drainage facility is simulated respectively to obtain a ponding simulation result of at least one planning drainage model, and the method has the advantages that the actual drainage model can be re-planned according to the actual drainage model under different rain types when a ponding risk point appears, the running state of each drainage facility in the planning drainage model after re-planning is dynamically monitored and simulated in real time, and emergency schemes can be planned in advance by system management personnel and city management personnel before dangerous situations occur. The simulation result of the planning drainage model is provided for urban planning personnel through the simulation module, the planned drainage model can be planned in advance without changing the actual drainage facility, and the ponding simulation result of the planning drainage model is obtained, so that the urban actual drainage facility is prevented from being planned before the ponding simulation result of the planned drainage model is unknown, and the loss of a large amount of manpower, material resources and financial resources is avoided.

Optionally, current weather forecast information may be acquired, the operation state of each drainage facility is simulated based on the actual drainage model and the current weather forecast information, and alarm information is generated when a simulation result includes an accumulated water risk point.

In the technical scheme of the embodiment, the current weather forecast information can be acquired, the running state of each drainage facility is simulated based on the actual drainage model and the current weather forecast information, alarm information is generated when a simulation result comprises a water accumulation risk point, and the method has the advantages that the system can receive the current weather forecast information in real time, add the current weather forecast information into the actual drainage model, dynamically monitor each drainage facility in the actual drainage model added with the current weather forecast information in real time, alarm occurs when the occurrence of the water accumulation risk point is monitored, so that system managers and city managers can conveniently know the running condition of each drainage facility in the urban drainage system in real time under the condition of the current weather, know the occurrence condition of the water accumulation risk point in advance, and can make an emergency scheme in advance, the urban water accumulation condition is avoided, the manpower, material resources and financial resources are saved, and the life and property safety of people is guaranteed.

Optionally, the planning drainage model or the actual drainage model may be further segmented, parallel simulation is performed on at least two sub models obtained by the segmentation, and simulation results of the sub models are combined to obtain a calculation result.

In the technical scheme of the embodiment, the planning drainage model or the actual drainage model can be divided, at least two sub models obtained by the division can be simulated in parallel, and the simulation results of the sub models are combined to obtain the calculation result.

S240, comparing a ponding simulation result based on the at least one planning drainage model with a ponding monitoring result of the actual drainage model, sequencing the planning drainage models based on the ponding simulation result, and generating a construction plan report according to the comparison result, the sequencing of the planning drainage models, the planning drainage model scheme cost and the engineering budget information.

Optionally, the water-stagnation risk index of each water-stagnation risk point in the water accumulation monitoring result of the actual drainage model is compared with the water-stagnation risk index of the corresponding water-stagnation risk point in the water accumulation simulation result of each planning drainage model, and the planning drainage model with the water-stagnation risk points less than the water-stagnation risk points in the water accumulation monitoring result of the actual drainage model is screened, or the planning drainage model with the water-stagnation risk indexes less than the water-stagnation risk indexes of the corresponding water-stagnation risk points in the water accumulation monitoring result of the actual drainage model is screened; sequencing the screened planning drainage models according to the number of the water accumulation risk points and/or the water stagnation risk index; and generating a construction plan report according to the sequencing of the planned drainage model, the plan cost of the planned drainage model and the project budget information.

In the technical solution of the above embodiment, the construction plan report is generated based on comparing the accumulated water simulation result of at least one of the planned drainage models with the accumulated water monitoring result of the actual drainage model, sorting the planned drainage models based on the accumulated water simulation result, and generating the construction plan report according to the comparison result, the sorting of the planned drainage models, the plan drainage model scheme cost and the engineering budget information, so that the construction plan report can be generated according to the comparison result, the sorting of the planned drainage models, the plan drainage model scheme cost and the engineering budget information, which is convenient for the city manager to better understand the planned drainage models and the feasibility of each planned drainage model in the generated construction plan report, whether the urban drainage system is re-planned or not can be better determined according to the planned drainage model so as to improve the urban drainage effect.

According to the technical scheme of the embodiment, firstly, the type and the area information of the drainage facility are selected, and the data of the drainage equipment are obtained according to the selected type and the area information of the drainage facility; then, based on the selected drainage facility type and area information, under each rain type, monitoring the running state of each drainage facility based on an actual drainage model formed by the obtained drainage equipment data to obtain a ponding monitoring result of the actual drainage model, wherein the ponding monitoring result comprises a ponding risk point and a stagnant water risk index of the ponding risk point; secondly, under each rain model, based on at least one planning drainage model, respectively simulating the running state of each drainage facility to obtain a ponding simulation result of the at least one planning drainage model, wherein the ponding simulation result comprises a ponding risk point and a stagnant water risk index of the ponding risk point; and finally, comparing a ponding simulation result based on at least one planning drainage model with a ponding monitoring result of an actual drainage model, sequencing the planning drainage models based on the ponding simulation result, and generating a construction plan report according to the comparison result, the sequencing of the planning drainage models, the scheme cost of the planning drainage models and the project budget information. The problem of dangerous situation can't be solved from the root when the flood calamity takes place in solving prior art in the city, realized replanning the drainage facility, avoided the emergence of urban waterlogging dangerous situation, the effect of guarantee people's life and property safety.

EXAMPLE III

Fig. 5 is a schematic structural diagram of an apparatus according to a third embodiment of the present invention, as shown in fig. 5, the apparatus includes a processor 30, a memory 31, an input device 32, and an output device 33; the number of processors 30 in the device may be one or more, and one processor 30 is taken as an example in fig. 3; the processor 30, the memory 31, the input means 32 and the output means 33 in the device may be connected by a bus or other means, as exemplified by the bus connection in fig. 3.

The memory 31 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and modules, such as program instructions/modules (for example, the data query module 11, the current situation assessment module 12, the simulation module 13, and the construction plan suggestion module 14) corresponding to the simulation method for urban drainage waterlogging prevention in the embodiment of the present invention. The processor 30 executes various functional applications and data processing of the device by running software programs, instructions and modules stored in the memory 31, so as to realize the above-mentioned urban drainage waterlogging prevention simulation method.

The memory 31 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 31 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 31 may further include memory located remotely from the processor 30, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The input device 32 may be used to receive input numeric or character information and to generate key signal inputs associated with user settings and function controls of the apparatus, such as input devices like a mouse and a keyboard. The output device 33 may include a display device such as a display screen.

Example four

The fourth embodiment of the invention also provides a storage medium containing computer executable instructions, and the computer executable instructions are used for executing the simulation method for urban drainage waterlogging prevention when being executed by a computer processor.

Of course, the storage medium provided by the embodiment of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the operations of the method described above, and may also perform related operations in the urban drainage waterlogging prevention simulation method provided by any embodiment of the present invention.

From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.

It should be noted that, in the embodiment of the above-mentioned urban drainage waterlogging prevention simulation system, each included unit and module are only divided according to functional logic, but are not limited to the above-mentioned division, as long as the corresponding function can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An urban drainage waterlogging prevention simulation system, characterized in that the system comprises: the system comprises a data query module, a current situation evaluation module, a simulation module and a construction plan suggestion module;

2. The system of claim 1, wherein the data query module comprises: the device comprises a layer selection unit, an area information selection unit and a model rendering unit;

the area information selection unit is used for receiving externally input area information or detecting selected area information, and screening drainage equipment data corresponding to the area information in at least one database according to the area information;

the layer selection unit is used for matching drainage equipment data corresponding to the area information in a database corresponding to the drainage facility type identifier according to the selected drainage facility type identifier when the drainage facility type identifier is selected, so as to obtain drainage equipment data corresponding to the selected drainage facility type identifier;

and the model rendering unit is used for rendering the identifier or the graph of the matched drainage equipment data in the drainage model of the area information.

3. The system of claim 1, wherein the presence evaluation module comprises: the system comprises a calculation scheme selection unit, a rain type selection unit, an online calculation unit and a calculation result visualization unit;

the calculation scheme selection unit is used for determining a calculation scheme of a drainage model of each drainage facility;

the rainfall type selection unit is used for selecting a rainfall type;

the online calculation unit is used for calculating the water-holding risk index of each water accumulation risk point according to the collected data of each drainage facility under the selected rain type based on the actual drainage model;

and the calculation result visualization unit is used for rendering the accumulated water risk points calculated by the online calculation unit in the actual drainage model and displaying the stagnant water risk index of each accumulated water risk point.

4. The system of claim 3, wherein the calculation scheme for the drainage model for each drainage facility comprises: constant flow, kinetic wave and kinetic wave methods.

5. The system of claim 1, wherein the construction plan suggestion module is specifically configured to,

comparing the stagnant water risk index of each stagnant water risk point in the stagnant water monitoring result of the actual drainage model with the stagnant water risk index of the corresponding stagnant water risk point in the stagnant water simulation result of each planning drainage model, and screening the planning drainage model with the number of the stagnant water risk points smaller than that in the stagnant water monitoring result of the actual drainage model, or screening the planning drainage model with the stagnant water risk index of the stagnant water risk points smaller than that in the stagnant water monitoring result of the actual drainage model;

sequencing the screened planning drainage models according to the number of the water accumulation risk points and/or the water stagnation risk index;

and generating a construction plan report according to the sequencing of the planned drainage model, the plan cost of the planned drainage model and the project budget information.

6. The system of claim 1, wherein the simulation module is further configured to obtain current weather forecast information, simulate an operation state of each drainage facility based on the actual drainage model and the current weather forecast information, and generate alarm information when a simulation result includes a water accumulation risk point.

7. The system of any one of claims 1 or 6, wherein the simulation module is further configured to segment a planned drainage model or the actual drainage model, perform parallel simulation on at least two sub models obtained by the segmentation, and combine simulation results of the sub models to obtain a calculation result.

8. The system of claim 1, wherein the municipal drainage waterlogging prevention simulation system is developed based on WebGIS technology.

9. A city drainage waterlogging prevention simulation method is characterized by comprising the following steps:

10. The method of claim 9, wherein querying at least one database for drainage equipment data based on drainage facility type and zone information comprises:

receiving externally input area information or detecting selected area information, and screening drainage equipment data corresponding to the area information in at least one database according to the area information;

when it is monitored that the drainage facility type identifier is selected, according to the selected drainage facility type identifier, matching drainage equipment data corresponding to the area information in a database corresponding to the drainage facility type identifier to obtain drainage equipment data corresponding to the selected drainage facility type identifier;

and rendering the identifier or the graph of the matched drainage equipment data in a drainage model of the region information.

11. The method of claim 9, wherein the monitoring the operation state of each drainage facility in each rain type based on an actual drainage model formed by the queried drainage equipment data to obtain a waterlogging monitoring result of the actual drainage model comprises:

based on the actual drainage model, under any rain type, calculating the water-retention risk index of each water accumulation risk point according to the collected data of each drainage facility and the calculation scheme of the drainage model of the currently selected drainage facility;

rendering the obtained water accumulation risk points in the actual drainage model, and displaying the stagnant water risk index of each water accumulation risk point.

12. The method of claim 11, wherein the calculation scheme for the drainage model for each drainage facility comprises: constant flow, kinetic wave and kinetic wave methods.

13. The method of claim 9, wherein comparing the water accumulation simulation results based on the at least one planned drainage model with the water accumulation monitoring results of the actual drainage model, ranking the planned drainage models based on the water accumulation simulation results, and generating a construction plan report according to the comparison results, the ranking of the planned drainage models, planned drainage model plan costs, and engineering budget information comprises:

14. The method of claim 9, further comprising:

and acquiring current weather forecast information, simulating the running state of each drainage facility based on the actual drainage model and the current weather forecast information, and generating alarm information when a simulation result comprises an accumulated water risk point.

15. The method of claim 9, further comprising:

and dividing the planning drainage model or the actual drainage model, performing parallel simulation on at least two sub models obtained by division, and combining simulation results of the sub models to obtain a calculation result.

16. An apparatus, characterized in that the apparatus comprises:

one or more processors;

storage means for storing one or more programs;

when executed by the one or more processors, cause the one or more processors to implement a municipal drainage flood prevention simulation method according to any one of claims 9 to 15.

17. A storage medium containing computer executable instructions for performing a municipal drainage flood prevention simulation method according to any one of claims 9 to 15 when executed by a computer processor.