CN110542022B - Municipal drainage pipeline leakage monitoring system - Google Patents
Municipal drainage pipeline leakage monitoring system Download PDFInfo
- Publication number
- CN110542022B CN110542022B CN201910872938.5A CN201910872938A CN110542022B CN 110542022 B CN110542022 B CN 110542022B CN 201910872938 A CN201910872938 A CN 201910872938A CN 110542022 B CN110542022 B CN 110542022B
- Authority
- CN
- China
- Prior art keywords
- drainage
- drainage pipeline
- well
- water
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A municipal drainage pipeline leak monitoring system comprising: the first drainage well is communicated with the drainage pipeline; the second drainage well is communicated with the first drainage well and the drainage pipeline; the first flow sensor is positioned between the interface of the first drainage well and the drainage pipeline and the interface of the second drainage well and the drainage pipeline; a second flow sensor located after the drainage channel of the second drainage well; detecting the flow of the drainage pipeline through a second flow sensor, and transmitting the measured value to the central control system; the central control system determines whether the municipal drainage pipeline has leakage or blockage according to the measurement value of the second flow sensor. The monitoring system can reduce the occurrence of various drainage pipeline problems and ensure the normal work of the drainage pipeline system.
Description
Technical Field
The invention relates to a system for checking and determining leakage of a pipeline system, in particular to a municipal drainage pipeline leakage monitoring system.
Background
Recently, with the development of science and technology and the progress of cities, social public facilities are improved to a great extent, and urban drainage pipeline systems are more and more concerned by people. In urban construction, a drainage pipeline system is a key link for maintaining normal use of municipal engineering and is an important component of infrastructure of urban construction. Municipal construction must continuously perfect urban water supply and drainage pipelines to enable urban water supply and drainage systems to play fundamental roles, thereby promoting the development of urban construction in China.
The drainage pipeline system is an urban 'drainage system', is responsible for the functions of collecting, conveying and treating rainwater, domestic sewage, industrial wastewater and precipitation, is a major project in urbanization construction, and is an important component of the construction of a 'sponge city'. The underground drainage pipeline is usually subjected to structural damage such as pipeline joint dislocation and disjointing, pipe body crack, damage, water seepage of a well body of an inspection well and the like due to various reasons such as material quality, construction quality, corrosion, improper foundation treatment, traffic dynamic load, foundation settlement and the like, and is easy to cause sewage seepage in an area with a low underground water level and cause underground water to seep from an unclosed position of the pipeline in an area with a high underground water level. Infiltration may cause backfill material around the pipe to enter the drain along with the gaps, and a large flush of backfill soil may cause pipe blockage.
Because underground drainage pipe belongs to secret hidden engineering, its defect is difficult to often by the operation personnel discovery, simultaneously, if can not in time control, will appear cavitys around the pipeline when the seepage is serious, in case there is structural damage such as crack or pipeline bearing capacity not enough in the pipeline and will take place phenomenons such as collapse to lead to producing the loss or can take place the incident. Therefore, in order to ensure the quality of the drainage pipeline, various detection technologies need to be comprehensively applied, the detection of the drainage pipeline is enhanced, the problems of various drainage pipelines are reduced, and the normal work of a drainage pipeline system is ensured.
In the prior art, a second limited building company of seven departments of Central construction discloses a leakage positioning system for urban underground drainage pipelines in the invention of CN201510802059.7, a waterproof layer is arranged outside the drainage pipelines, a humidity sensor is arranged outside the waterproof layer, and when the humidity detected by the humidity sensor is greater than a threshold value, the leakage of the drainage pipelines is judged. The invention patent of CN201610088117.9 proposes a method for detecting leakage of drainage pipeline, which comprises arranging an inner insulating layer, a conductive layer and an outer insulating layer outside the drainage pipeline, connecting the conductive layer through a leakage detection device, detecting the resistance of the conductive layer, and judging that the drainage pipeline has leakage when the resistance over-change exceeds a threshold value. In the prior art, the detection layer is required to be arranged outside the drainage pipeline, and the installation and construction process is complex and easy to damage.
Disclosure of Invention
The invention provides a municipal drainage pipeline leakage monitoring system which can solve the problems in the prior art.
As one aspect of the invention, a municipal drainage pipeline leakage monitoring system is provided, comprising: the first drainage well is communicated with the drainage pipeline and outputs the rainfall through the drainage pipeline; the second drainage well is communicated with the first drainage well and the drainage pipeline through the first valve and the second valve respectively; the water level sensor is arranged in the second drainage well and used for monitoring the water level of the second drainage well; the local controller is used for closing the second valve in a non-monitoring state and closing the first valve when the water level of the second drainage well reaches a threshold value; the first flow sensor is arranged in the drainage pipeline and is positioned between a joint of the first drainage well and the drainage pipeline and a joint of the second drainage well and the drainage pipeline; the second flow sensor is arranged in the drainage pipeline and behind the drainage channel of the second drainage well; the local controller triggers a monitoring state to open the second valve when the detection value of the first flow sensor is zero and the water level of the second drainage well reaches a threshold value; detecting the flow of the drainage pipeline through a second flow sensor, and transmitting the measured value to the central control system; and the central control system determines whether the municipal drainage pipeline has leakage or not according to the measured value of the second flow sensor.
Further, when the measured value of the second flow sensor is stable, and the measured value of the second flow sensor is smaller than the flow threshold value, the central control system judges that the drainage pipeline has leakage.
Further, the central control system also comprises a storage module and a time integral calculation module, and when the central control system is in a monitoring state, the storage module records the flow value of the second flow sensor in the time period from the beginning of water drainage to the end of water drainage of the second drainage well; when the stable measurement value of the second flow sensor is higher than the flow threshold value, judging that the municipal drainage pipeline is normal; when the water flow rate is lower than the flow rate threshold value, the total water discharge amount S is calculated through a time integral calculation module after the water discharge of the second water discharge well is finished1Through total amount of water discharged S1Calculation of v = S1/ S2In which S is2The volume of water is the water volume of the second drainage well at the water level threshold value; when v is smaller than the ratio threshold, judging that the drainage pipeline leaks; and when the v is larger than the ratio threshold value, judging that the drainage pipeline has no leakage but is blocked.
Further, the ratio threshold value is 80-90%.
Further, the time integral calculation module calculates the total amount of drained water S in the following way1：S1=
Wherein T isiFor a single calculation cycle, it may be, for example, 2s, QbIs TiFlow at the beginning of the cycle, QeIs TiThe flow at the last moment of the cycle.
Further, the flow threshold is determined according to the flow of the water discharged by the sealed water discharge pipeline corresponding to the second water discharge well threshold water level during initial installation.
Furthermore, a monitoring channel of a drainage pipeline is formed between the drainage channel of the second drainage well and the second flow sensor.
Drawings
FIG. 1 is a schematic structural diagram of a municipal drainage pipeline leakage monitoring system according to an embodiment of the invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the present invention, the present invention will be briefly described below by using embodiments, and it is obvious that the following description is only one embodiment of the present invention, and for those skilled in the art, other technical solutions can be obtained according to the embodiments without inventive labor, and also fall within the disclosure of the present invention.
The municipal drainage pipeline leakage monitoring system provided by the embodiment of the invention is used for monitoring leakage and blockage of municipal drainage pipelines, and comprises a first drainage well, a second drainage well, a first valve, a second valve, a local controller, a first flow sensor, a second flow sensor and a central control system (not shown), and is shown in figure 1.
The first drainage well and the drainage pipeline are used for receiving rainwater during rainfall and outputting the rainwater to a sewage treatment plant or a river channel through the drainage pipeline. The second drainage well does not directly receive rainfall, is connected with the first drainage well through the first valve and is connected with the drainage pipeline through the second valve. A water level sensor is arranged in the second drainage well and can monitor the water level of the second drainage well. The local controller can control the switches of the first valve and the second valve according to the detection result of the water level sensor, when the local controller is in a non-monitoring state, the second valve is closed by the local controller, the second drainage well receives rainwater of the first drainage well when rainfall water, the first valve is closed when the water level of the second drainage well reaches a threshold value, and the second drainage well does not receive rainwater any more.
The first flow sensor is arranged in the drainage pipeline and is positioned between a joint of the first drainage well and the drainage pipeline and a joint of the second drainage well and the drainage pipeline; and the second flow sensor is arranged in the drainage pipeline and behind the drainage channel of the second drainage well. And a monitoring channel of a drainage pipeline is formed between the interface of the second drainage well and the drainage pipeline and the second flow sensor. The first flow sensor and the second flow sensor are volume flow sensors, and detection values of the volume flow sensors can be transmitted to the central control system through a wireless network.
The first flow sensor can detect the drainage flow of the drainage pipeline during rainfall; after the rainfall is finished, the detection value of the first flow sensor gradually decreases to zero. At the moment, the local controller triggers a monitoring state according to the water level of the second drainage well, when the detection value of the first flow sensor is zero and the water level of the second drainage well reaches a threshold value, the monitoring state is triggered, the second valve is opened, accumulated water in the second drainage well is output through the drainage pipeline, the flow of the drainage pipeline is detected through the second flow sensor, and the measured value of the flow is transmitted to the central control system; and when the measured value of the second flow sensor is stable, the central control system judges that the drainage pipeline has leakage and judges that the drainage pipeline has leakage when the measured value of the second flow sensor is lower than the flow threshold value. The flow threshold may be determined based on the flow rate of the sealed drain pipe corresponding to the second drain well threshold level drain at initial installation.
Through the embodiment of the invention, the leakage monitoring of the drainage pipeline can be realized, and the normal work of a drainage pipeline system is ensured. However, the above-described embodiment cannot determine whether the flow rate reduction is caused by clogging or leakage because clogging may occur due to the influence of garbage, sand, or the like in the drain line and the flow rate reduction may also occur when the clogging occurs.
As a further improvement, in a preferred embodiment of the present invention, the central control system further includes a storage module and a time integral calculation module, and when the central control system is in the monitoring state, the storage module records a flow value of the second flow sensor from the beginning of the drainage of the second drainage well to the end of the drainage; when the stable measured value of the second flow sensor is highWhen the flow threshold value is reached, judging that the municipal drainage pipeline is normal; when the water flow rate is lower than the flow rate threshold value, the total water discharge amount S is calculated through a time integral calculation module after the water discharge of the second water discharge well is finished1，S1= 
Wherein T isiFor a single calculation cycle, it may be, for example, 2s, QbIs TiFlow at the beginning of the cycle, QeIs TiThe flow at the last moment of the cycle; through the total amount of water discharged S1Calculation of v = S1/ S2In which S is2The volume of water is the water volume of the second drainage well at the water level threshold value; when v is smaller than the ratio threshold, judging that the drainage pipeline leaks; and when the v is larger than the ratio threshold value, judging that the drainage pipeline has no leakage but is blocked. The ratio threshold may be set to 80-90%, for example, may be set to 90%.
The invention has been described herein with reference to specific exemplary embodiments thereof. It will be apparent to those skilled in the art that appropriate substitutions or modifications may be made without departing from the scope of the invention. The exemplary embodiments are merely illustrative, and not restrictive of the scope of the invention, which is defined by the appended claims. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (2)
1. A municipal drainage pipeline leak monitoring system comprising: the first drainage well is communicated with the drainage pipeline and outputs the rainfall through the drainage pipeline; the second drainage well is communicated with the first drainage well and the drainage pipeline through the first valve and the second valve respectively; the water level sensor is arranged in the second drainage well and used for monitoring the water level of the second drainage well; the local controller is used for closing the second valve in a non-monitoring state and closing the first valve when the water level of the second drainage well reaches a threshold value; first flow sensor, itThe first drainage well is arranged in the drainage pipeline and is positioned between the joint of the first drainage well and the drainage pipeline and the joint of the second drainage well and the drainage pipeline; the second flow sensor is arranged in the drainage pipeline and behind the drainage channel of the second drainage well; the local controller triggers a monitoring state to open the second valve when the detection value of the first flow sensor is zero and the water level of the second drainage well reaches a threshold value; detecting the flow of the drainage pipeline through a second flow sensor, and transmitting the measured value to the central control system; the central control system also comprises a storage module and a time integral calculation module, and when the central control system is in a monitoring state, the storage module records the flow value of the second flow sensor from the beginning of water drainage of the second drainage well to the end of water drainage; when the stable measurement value of the second flow sensor is higher than the flow threshold value, judging that the municipal drainage pipeline is normal; when the water flow rate is lower than the flow rate threshold value, the total water discharge amount S is calculated through a time integral calculation module after the water discharge of the second water discharge well is finished1Through total amount of water discharged S1Calculation of v = S1/S2In which S is2The volume of water is the water volume of the second drainage well at the water level threshold value; when v is smaller than the ratio threshold, judging that the drainage pipeline leaks; and when the v is larger than the ratio threshold value, judging that the drainage pipeline has no leakage but is blocked.
2. The municipal drainage pipeline leakage monitoring system of claim 1, wherein: the time integral calculation module calculates the total amount of water drainage S in the following way1：S1=
Wherein T isiFor a single calculation cycle, QbIs TiFlow at the beginning of the cycle, QeIs TiThe flow at the last moment of the cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872938.5A CN110542022B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047151.7A CN109163224B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
| CN201910872938.5A CN110542022B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811047151.7A Division CN109163224B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110542022A CN110542022A (en) | 2019-12-06 |
| CN110542022B true CN110542022B (en) | 2021-03-26 |
Family
ID=64894448
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872938.5A Active CN110542022B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
| CN201811047151.7A Active CN109163224B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811047151.7A Active CN109163224B (en) | 2018-09-09 | 2018-09-09 | Municipal drainage pipeline leakage monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110542022B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111338270B (en) * | 2020-04-07 | 2020-11-10 | 四川省水利科学研究院 | Small-area agricultural irrigation water consumption monitoring system based on slope water supply |
| CN114087541B (en) * | 2021-11-18 | 2023-06-27 | 安徽东鸿水务环境工程有限公司 | Wisdom pipe network water balance monitoring system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI86321C (en) * | 1990-05-03 | 1992-08-10 | Reijo Antero Maellinen | Device for preventing leaking water from flowing out through mounting and protective pipes |
| DE19536472A1 (en) * | 1995-09-29 | 1997-04-03 | Siemens Ag | Device for determining concentration profiles of liquid or gaseous substances along a route |
| KR20140131116A (en) * | 2013-05-03 | 2014-11-12 | 이정필 | Drain pipe of leak detection devices |
| CN103423598B (en) * | 2013-09-02 | 2015-08-26 | 大连莱力柏信息技术股份有限公司 | A kind of seepage determination methods based on water supply network flow Real-Time Monitoring |
| US10481036B2 (en) * | 2015-04-29 | 2019-11-19 | Medeng Research Institute Ltd. | Pipeline leak detection system |
| CN204664884U (en) * | 2015-05-27 | 2015-09-23 | 无锡市政设计研究院有限公司 | A kind of warning device of simple and easy drain line blockage |
| CN105465613B (en) * | 2015-11-19 | 2018-02-23 | 中建七局第二建筑有限公司 | Urban underground water drainage pipe road leakage orienting system and its construction method |
| CN205259329U (en) * | 2016-01-06 | 2016-05-25 | 东北石油大学 | Water draining inspection well |
| CN205776509U (en) * | 2016-07-15 | 2016-12-07 | 衢州帝鼎电子科技有限公司 | A kind of alarm device of gardens supply channel |
| CN206459023U (en) * | 2016-11-28 | 2017-09-01 | 北京中昌天盛科技有限公司 | The monitoring device and system of aqueduct |
| CN206817179U (en) * | 2017-05-03 | 2017-12-29 | 南京朗坤自动化有限公司 | Drainage pipeline networks on-line monitoring system |
| CN207405726U (en) * | 2017-08-10 | 2018-05-25 | 李强 | The drainage system against rain that a kind of urban construction uses |
-
2018
- 2018-09-09 CN CN201910872938.5A patent/CN110542022B/en active Active
- 2018-09-09 CN CN201811047151.7A patent/CN109163224B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110542022A (en) | 2019-12-06 |
| CN109163224B (en) | 2020-05-29 |
| CN109163224A (en) | 2019-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109577449A (en) | A kind of municipal drainage network monitoring control system based on big data | |
| CN103628560B (en) | A kind of dam control device and control method with memory function | |
| Tafuri et al. | Wastewater collection system infrastructure research needs in the USA | |
| KR101937273B1 (en) | Tube valve, system of controlling sewage amount using the same, and system of detecting leakage of intercepting pipeline | |
| CN106836285B (en) | Building informatization-based underground pipe gallery monitoring waterproof structure | |
| KR101859666B1 (en) | Urban type Classification system of Non-point Source Pollutants | |
| KR101859669B1 (en) | Classification system of Non-point Source Pollutants and Accident runoff water for industrial complex | |
| CN101798939A (en) | Maintainable tunnel drainage system | |
| CN110542022B (en) | Municipal drainage pipeline leakage monitoring system | |
| JP2009108534A (en) | Rainwater storage facility and monitoring-management system for rainwater storage facility | |
| KR101859661B1 (en) | Initial precipitation treatment unit with Non-point Source Pollutants | |
| CN109185711B (en) | Municipal drainage pipeline leakage monitoring system construction method and monitoring method | |
| CN111005429A (en) | Drainage system and method of double-layer coupling structure | |
| CN105386460A (en) | Intelligent urban underground comprehensive pipe gallery | |
| CN113356321A (en) | Method for controlling overflow pollution of urban rainwater system of high-density built-up area | |
| Miao et al. | Diagnose urban drainage network problem based on internet of things and big data | |
| TWI770859B (en) | Automatic sewer monitoring system for inflow and infiltration | |
| CN205348220U (en) | Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics | |
| KR100803700B1 (en) | Monitoring alert system of a room for exhaust rain water | |
| CN105442631B (en) | The two-tube leak detection facility with plastic well of Collapsible Loess District plastics | |
| CN219450984U (en) | Embedded rain and sewage diversion well | |
| CN220335952U (en) | Blocking and accumulating integrated gate well | |
| CN213274747U (en) | Leakage monitoring alarm detection system for buried water supply pipe in building and community | |
| CN113944179B (en) | Construction method of pumping drainage dewatering structure of existing basement | |
| JP2003301507A (en) | Flow control method in combined system of sewerage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210311 Address after: No.183, Tangwang Road, Guangling District, Yangzhou City, Jiangsu Province 225000 Applicant after: Yangzhou City control drainage network operation and maintenance Co.,Ltd. Address before: No. 79, Gao Zhuang Qiao Road, Xingtai, Hebei Province Applicant before: Han Shaopeng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |