CN103591996B - A kind of separate system Storm Sewer Network waterlogging early warning and emergency response facility and method - Google Patents
A kind of separate system Storm Sewer Network waterlogging early warning and emergency response facility and method Download PDFInfo
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Abstract
A kind of separate system Storm Sewer Network waterlogging early warning of the present invention and emergency response facility and method, belong to urban construction administration maintenance technology field, the present invention develops with GIS technology and on-line monitoring system coupling, Rain Intensity Formula Based after optimizing is adopted to carry out early warning and emergency response technology to separate system Storm Sewer Network waterlogging node, be adapted to the newly-built and improved separate system Storm Sewer Network in New and old community, designed by the vector quantization of city separate system storm sewer system, in conjunction with the monitor signal that GIS technology and on-line monitoring equipment are fed back, according to rain fall real-time assessment, rainwater mobility status in checking pipeline, determine the waterlogging risk point in urban duct, waterlogging early warning is sent to city management department and enterprises and institutions, start corresponding emergency measure.
Description
Technical field
The invention belongs to urban construction administration maintenance technology field, be specifically related to a kind of separate system Storm Sewer Network waterlogging early warning and emergency response facility and method.
Background technology
Due to the deficiency on design, construction and economic condition, the construction of China's urban drainage pipe network can not meet the demand of Rapid-Urbanization to it far away, a large amount of city causes the situation of large area urban waterlogging of common occurrence because of the deficiency of Storm Sewer Network drainability, causes a large amount of personnel and property loss.Current city management department and enterprise only can the generations of passive reply waterlogging when storm sewer impeded drainage, a large amount of ponding in earth's surface, simultaneously owing to lacking automatic detection and response equipment and system, the each node of pipe network is manually investigated near managerial personnel, processing speed is slow, more exacerbates the harm of waterlogging.
At present, the research of China to Storm Sewer Network focuses mostly in the optimization of various algorithm to storm intensity, the accuracy calculated rainfall amount during to improving design.But owing to there is inevitable otherness between theory calculate and practical operation situation, construction unit is for saving construction costs, the reasons such as compression drainage pipeline caliber, cause the means and the equipment that lack the early warning of urban rainwater waterlogging, only take that the efficiency such as artificial investigation are low, the slow-paced mode of emergency reaction solves city that urban waterlogging risk cannot meet current large-and-medium size cities and to prevent waterlogging demand.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of separate system Storm Sewer Network waterlogging early warning and emergency response facility and method, traffic conditions in Storm Sewer Network is provided in real time, for city management department and enterprise's early warning in rainy season, prevention waterlogging provide the object of accurate information to reach.
A kind of separate system Storm Sewer Network waterlogging early warning and emergency set, this device comprises: on-Line Monitor Device, data processing equipment and emergency alarm device, wherein,
On-Line Monitor Device: for measuring the rainwater flow of each pipeline in separate system Storm Sewer Network;
Data processing equipment: for the caliber designed by pipeline, trend, rainfall duration and the gradient, Geographic Information System is adopted to carry out vectorized process, different drainage ratios is selected according to city, pipeline place, by above-mentioned coefficient by weighted mean, obtain weighted mean drainage ratio and calculate acquisition pipeline desired flow value; Record rainwater flow velocity in pipeline according to on-Line Monitor Device is actual, obtain actual pipeline flow; Pipeline desired flow value and actual pipeline flow are compared, if actual pipeline flow is greater than 0.95 times of pipeline desired flow value, then sends warning message value emergency alarm device;
Emergency alarm device: for sending alarm signal.
Described on-Line Monitor Device is arranged at the reference mark that the discharge point of separate system Storm Sewer Network, upstream line access point and conduit slope rate of change are greater than 20% respectively, the input end that the output terminal of on-Line Monitor Device connects data processing apparatus, the output terminal of data processing equipment connects the input end of emergency alarm device.
Adopt separate system Storm Sewer Network waterlogging early warning and emergency set to carry out the method for early warning, comprise the following steps:
Step 1, the data processing equipment caliber designed by pipeline, trend and the gradient, adopt Geographic Information System to carry out vectorized process;
Step 2, data processing equipment select different drainage ratios according to city, pipeline place, by above-mentioned coefficient by weighted mean, obtain weighted mean drainage ratio;
Step 3, data processing equipment calculate obtain pipeline desired flow value according to rainfall duration, local Rain Intensity Formula Based;
Step 4, employing on-Line Monitor Device gather the rainwater flow speed value that separate system Storm Sewer Network discharge point, upstream line access point and conduit slope rate of change are greater than the reference mark of 20%, are sent to data processing equipment;
Step 5, record rainwater flow velocity in pipeline according to actual, calculate and obtain actual pipeline flow;
Step 6, judge whether actual pipeline flow is greater than 0.95 times of pipeline desired flow value, if so, then send warning message value emergency alarm device; Otherwise return and perform step 2;
Step 7, emergency alarm device send alarm signal.
Calculating described in step 5 obtains pipeline actual flow value, and formula is as follows:
Q
1=AV=0.25πD
2v（1）
Wherein, Q
1for pipeline actual flow value; π represents circular constant; D represents pipe diameter; V represents design current velocity in pipeline; A represents pipeline area; V represents rainwater flow velocity in actual measurement pipeline.
Calculating described in step 3 obtains expection pipeline flow, and formula is as follows:
Q
2=ψqF=ψ×167A(1+clgP)/(t+b)
n（2）
Wherein, Q
2represent desired flow in pipeline; ψ represents weighted mean drainage ratio; A, c, b, n all represent local parameter; T represents rain time, t=t
1+ mt
2, t
1represent the excess surface water time, m represents reduction coefficient, t
2=L/60v, v represent rainwater flow velocity in actual measurement pipeline; Q represents storm intensity, and F represents control module city area, and P represents storm recurrence period.
Advantage of the present invention:
A kind of separate system Storm Sewer Network waterlogging early warning of the present invention and emergency response facility and method, develop with GIS technology and on-line monitoring system coupling, Rain Intensity Formula Based after optimizing is adopted to carry out early warning and emergency response technology to separate system Storm Sewer Network waterlogging node, be adapted to the newly-built and improved separate system Storm Sewer Network in New and old community, designed by the vector quantization of city separate system storm sewer system, in conjunction with the monitor signal that GIS technology and on-line monitoring equipment are fed back, according to rain fall real-time assessment, rainwater mobility status in checking pipeline, determine the waterlogging risk point in urban duct, waterlogging early warning is sent to city management department and enterprises and institutions, start corresponding emergency measure.
Accompanying drawing explanation
Fig. 1 is the one-piece construction block diagram of an embodiment of the present invention;
Fig. 2 is the separate system Storm Sewer Network waterlogging method for early warning process flow diagram of an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present invention is described further.
The embodiment of the present invention is 3 composition systems according to the different demarcation of using function, i.e. real-time evaluation system (data processing equipment 2), on-line monitoring system (on-Line Monitor Device 1) and early warning responding system (emergency alarm device 3).Implement evaluating system, by GIS technology (Geographic Information System), vector quantization evaluating system is set up to city separate system Storm Sewer Network, (1. different according to city underlying surface by the optimization of Rain Intensity Formula Based, choose different drainage ratio weighted means, 2. pass through the combination realization of GIS technology to the performance prediction of urban pipe network flow and management.), the feedback of pipeline hydraulic calculation (computing formula see actual flow, predicted flow rate) and on-the-spot real time data, rainwater flow in assessment pipeline, when rainwater in pipeline flows exceed 95% of pipe design flow, namely depending on there is waterlogging risk in this calculation control unit, and then in conjunction with monitoring equipment checking assessment result in this unit, specify waterlogging node, and then issue early warning and emergency information by early warning responding system to city management department and enterprises and institutions.
(1) real-time evaluation system, native system comprises design parameter optimization unit, separate system pipe network vectoring unit and authentication unit three part.Wherein design parameter optimization unit is in conjunction with the difference of place city underlying surface type and the pipeline laying gradient; select 1 ~ 8 square kilometre to be a control module, choose according to " Code for design of outdoor sewerage engineering " (out of question) that drainage ratio is 0.5 ~ 0.9,2 ~ 50a(a represents year the phase again respectively), reduction coefficient 0.5 ~ 2.5; Separate system pipe network vectoring unit adopts GIS technology to carry out vector quantization design to the caliber of Storm Sewer Network, the gradient, buried depth, in conjunction with optimization achievement (namely choosing coefficient) and the on-line monitoring Real-time Monitoring Data of design parameter optimization unit, evaluates calculation is carried out to flow in storm sewer in control module, determines the maximum drainability of storm sewer in control module; The assessment result of Monitoring Data to separate system pipe network vectoring unit that authentication unit is combined in line monitoring system is verified, when online monitoring data (actual flow) exceedes 95% of assessment result numerical value (desired flow), namely think that rainwater emissions requirements exceedes pipe network drainability in this control module, or may there is waterlogging, and by the least favorable node of Monitoring Data determination pipe network overload operation.
(2) on-line monitoring system, be mainly the online pipeline flow monitor be distributed in each control module, for ensureing the accuracy of Monitoring Data, reduce construction costs, each control module inherent spool road flow monitoring instrument quantity is 2 ~ 5, is arranged in the discharge point of control module, upstream line access point, the slope change reference mark place more than 20%.This system is responsible for rainwater flow in real-time rainfall amount in real-time inspection and control unit and pipe network, for the evaluates calculation of real-time evaluation system and result verification provide basic data support.
(3) early warning responding system, comprise waterlogging early warning alarm bell, early warning signal lamp, waterlogging Response Decision system, when real-time evaluation system determines that a control module exists waterlogging risk, early warning responding system is reminded managerial personnel to carry out waterlogging prevention by the sound such as waterlogging early warning alarm bell, early warning signal lamp, light form immediately and is prepared, the assessment of waterlogging Response Decision system synthesis is in conjunction with online monitoring data, electronic curtain directly indicates the risk node of pipe network waterlogging, guides staff to get rid of waterlogging dangerous situation to on-the-spot.
In the embodiment of the present invention, this device is used for newly-built manufacturing district, China's Northeast plain area separate system Storm Sewer Network, and choosing drainage ratio is respectively 0.9; Again phase 20a, reduction coefficient 2.2, divides control module according to 1 square kilometre of size, places 3 on-Line Monitor Device and carry out Real-Time Monitoring in each control module.
As shown in Figure 1, a kind of separate system Storm Sewer Network waterlogging early warning and emergency response facility, this device comprises: on-Line Monitor Device 1, data processing equipment and emergency alarm device 3, and wherein, on-Line Monitor Device is for measuring the rainwater flow of each pipeline in separate system Storm Sewer Network; Data processing equipment is used for caliber, trend and the gradient designed by pipeline, adopts Geographic Information System to carry out vectorized process, and calculates acquisition pipeline desired flow value; Select different coefficients according to city, pipeline place, by above-mentioned coefficient by weighted mean, obtain weighted mean drainage ratio, and according to weighted mean drainage ratio, actually record rainwater flow velocity and rain time in pipeline, obtain actual pipeline flow; Pipeline desired flow value and actual pipeline flow are compared, if actual pipeline flow is greater than 0.95 times of pipeline desired flow value, then sends warning message value emergency alarm device; Emergency alarm device is used for sending alarm signal.
In the embodiment of the present invention, on-Line Monitor Device 1 adopts HACHFL900 model, and data processing equipment 2 adopts PC, and emergency alarm device adopts 220V electric power alarm bell.Described on-Line Monitor Device 1 is arranged at the reference mark that the discharge point of separate system Storm Sewer Network, upstream line access point and conduit slope rate of change are greater than 20% respectively, on-Line Monitor Device wireless connection data treating apparatus, the output terminal of data processing equipment connects the input end of emergency alarm device.
Adopt separate system Storm Sewer Network waterlogging early warning and emergency response facility to carry out the method for early warning, method flow diagram as shown in Figure 2,
Comprise the following steps:
Step 1, the data processing equipment caliber designed by pipeline, trend and the gradient, adopt Geographic Information System to carry out vectorized process;
Step 2, data processing equipment select different drainage ratios according to city, pipeline place, by above-mentioned coefficient by weighted mean, obtain weighted mean drainage ratio
Step 3, data processing equipment calculate obtain pipeline desired flow value according to rainfall duration, local Rain Intensity Formula Based;
Formula is as follows:
Q
2=ψqF=ψ×167A(1+clgP)/(t+b)
n（2）
Building the separate system pipe network vectoring unit of this garden according to garden storm sewer laying condition coupling GIS technology, determine that the maximum drainability of storm sewer of embodiment of the present invention least favorable control module is 1.5m
3/ s.
Step 4, employing area flow velocity flow instrument gather the rainwater flow speed value that separate system Storm Sewer Network discharge point, upstream line access point and conduit slope rate of change are greater than the reference mark of 20%, are sent to data processing equipment;
Step 5, record rainwater flow velocity in pipeline according to actual, calculate and obtain actual pipeline flow,
Formula is as follows:
Q
1=AV=0.25πD
2v（1）
Step 6, judge whether actual pipeline flow is greater than 0.95 times of pipeline desired flow value, if so, then send warning message value emergency alarm device; Otherwise return and perform step 2;
Step 7, emergency alarm device send alarm signal.
In the embodiment of the present invention, measured point impeded drainage, amount of rainfall exceeds pipe drainage ability, there is waterlogging risk, start early warning responding system, remind managerial personnel to carry out prevention waterlogging work by flooded early warning alarm bell, and directly indicate the risk node of pipe network waterlogging on electronic curtain, guide staff to get rid of waterlogging dangerous situation to on-the-spot.
Claims (4)
1. the early warning of separate system Storm Sewer Network waterlogging and an emergency response facility, is characterized in that, this device comprises: on-Line Monitor Device, data processing equipment and emergency alarm device, wherein,
On-Line Monitor Device: for measuring the rainwater flow of each pipeline in separate system Storm Sewer Network;
Data processing equipment: for the caliber designed by pipeline, trend, rainfall duration and the gradient, Geographic Information System is adopted to carry out vectorized process, different drainage ratios is selected according to city, pipeline place, by above-mentioned coefficient by weighted mean, obtain weighted mean drainage ratio and calculate acquisition pipeline desired flow value; Record rainwater flow velocity in pipeline according to on-Line Monitor Device is actual, obtain actual pipeline flow; Pipeline desired flow value and actual pipeline flow are compared, if actual pipeline flow is greater than 0.95 times of pipeline desired flow value, then sends warning message value emergency alarm device;
Emergency alarm device: for sending alarm signal;
Described on-Line Monitor Device is arranged at the reference mark that the discharge point of separate system Storm Sewer Network, upstream line access point and conduit slope rate of change are greater than 20% respectively, the input end that the output terminal of on-Line Monitor Device connects data processing apparatus, the output terminal of data processing equipment connects the input end of emergency alarm device.
2. adopt separate system Storm Sewer Network waterlogging early warning according to claim 1 and emergency response facility to carry out the method for early warning, it is characterized in that: comprise the following steps:
Step 1, the data processing equipment caliber designed by pipeline, trend and the gradient, adopt Geographic Information System to carry out vectorized process;
Step 2, data processing equipment select different drainage ratios according to city, pipeline place, by above-mentioned coefficient by weighted mean, obtain weighted mean drainage ratio;
Step 3, data processing equipment calculate obtain pipeline desired flow value according to rainfall duration, local Rain Intensity Formula Based;
Step 4, employing on-Line Monitor Device gather the rainwater flow speed value that separate system Storm Sewer Network discharge point, upstream line access point and conduit slope rate of change are greater than the reference mark of 20%, are sent to data processing equipment;
Step 5, record rainwater flow velocity in pipeline according to actual, obtain actual pipeline flow;
Step 6, judge whether actual pipeline flow is greater than 0.95 times of pipeline desired flow value, if so, then send warning message value emergency alarm device; Otherwise return and perform step 2;
Step 7, emergency alarm device send alarm signal.
3. method according to claim 2, is characterized in that: the calculating described in step 5 obtains pipeline actual flow value, and formula is as follows:
Q
1＝AV＝0.25πD
2v(1)
Wherein, Q
1for pipeline actual flow value; π represents circular constant; D represents pipe diameter; V represents design current velocity in pipeline; A represents pipeline area; V represents rainwater flow velocity in actual measurement pipeline.
4. method according to claim 2, is characterized in that: the calculating described in step 3 obtains expection pipeline flow, and formula is as follows:
Q
2＝ψqF＝ψ×167A(1+clgP)/(t+b)
n(2)
Wherein, Q
2represent desired flow in pipeline; ψ represents weighted mean drainage ratio; A, c, b, n all represent local parameter; T represents rain time, t=t
1+ mt
2, t
1represent the excess surface water time, m represents reduction coefficient, t
2=L/60v, v represent rainwater flow velocity in actual measurement pipeline; Q represents storm intensity, and F represents control module city area, and P represents storm recurrence period.
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| CN106643920B (en) * | 2017-01-09 | 2019-03-22 | 泰华智慧产业集团股份有限公司 | Detect the method and system of ponding point water-break time |
| CN106801463B (en) * | 2017-02-14 | 2019-03-08 | 广州杰赛科技股份有限公司 | The hull-borne detection method and system of drainpipe |
| CN107832931B (en) * | 2017-10-31 | 2022-03-29 | 上海市政工程设计研究总院（集团）有限公司 | Modularized analysis method for waterlogging risk in plain water network region |
| CN108062631B (en) * | 2017-12-29 | 2020-08-11 | 广东工业大学 | Urban waterlogging risk assessment method and device and terminal |
| CN110187413B (en) * | 2019-04-18 | 2021-10-26 | 广州市市政工程设计研究总院有限公司 | Urban waterlogging forecasting method, electronic equipment and storage medium |
| CN113865644B (en) * | 2021-09-17 | 2024-04-05 | 温州市数据管理发展集团有限公司 | Drainage facility operation monitoring system in place |
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| CN202065160U (en) * | 2011-01-06 | 2011-12-07 | 上海市城市建设设计研究院 | Monitoring system for rainwater pumping station |
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| CN103345208A (en) * | 2013-06-04 | 2013-10-09 | 北京北排水务设计研究院有限责任公司 | Urban rainfall flood preventing and treating intelligent control system and control method |
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| KR101134631B1 (en) * | 2010-05-07 | 2012-04-09 | 이메트릭스 주식회사 | Web-based drainage controlling system using a real-time water-level estimate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065160U (en) * | 2011-01-06 | 2011-12-07 | 上海市城市建设设计研究院 | Monitoring system for rainwater pumping station |
| CN202956865U (en) * | 2012-10-26 | 2013-05-29 | 西安迅腾科技有限责任公司 | Urban waterlogging alarm device base on GPRS |
| CN103345208A (en) * | 2013-06-04 | 2013-10-09 | 北京北排水务设计研究院有限责任公司 | Urban rainfall flood preventing and treating intelligent control system and control method |
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