CN102287620A - System and method for automatic in-situ monitoring on leakage of underground sewage pipeline - Google Patents
System and method for automatic in-situ monitoring on leakage of underground sewage pipeline Download PDFInfo
- Publication number
- CN102287620A CN102287620A CN2011101367813A CN201110136781A CN102287620A CN 102287620 A CN102287620 A CN 102287620A CN 2011101367813 A CN2011101367813 A CN 2011101367813A CN 201110136781 A CN201110136781 A CN 201110136781A CN 102287620 A CN102287620 A CN 102287620A
- Authority
- CN
- China
- Prior art keywords
- monitoring
- feeler lever
- specific resistance
- underground
- nylon
- 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.)
- Granted
Links
Images
Landscapes
- Sewage (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to a system and a method for automatic in-situ monitoring on leakage of an underground sewage pipeline. The system provided by the invention comprises an upper computer for controlling and a resistivity feeler lever the bottom of which is provided with a cone head, the resistivity feeler lever is formed by splicing at least 5 pluggable nylon modules and copper pole rings which are clamped in the butt seam of two adjacent nylon modules, sliver is plated on the inner and outer surfaces of the copper pole rings, and the top of the resistivity feeler lever is provided with a collection control circuit and a wireless data transfer module; the collection control circuit comprises a control program and is connected with the copper pole rings by virtue of wires; a public network server and client software are matched with the wireless data transfer module. The monitoring method comprises the following steps: burying or penetrating a monitoring point positioned on the underground sewage pipeline into the resistivity feeler lever; and controlling the system to operate and automatically alarm when the leakage reaches the threshold by virtue of client software. The system and method provided by the invention integrates the functions of automatic collection, remote transmission, data storage, intelligent processing, automatic alarm and remote control, is simple to use and high in automaticity, and can be used for overcoming the defect on the real-time performance and accuracy of traditional methods.
Description
Technical field
The present invention relates to original position automatic monitoring system and method that a kind of underground sewer is leaked, belong to the pollution control field.
Background technique
Along with social development, urban sewage pipeline and industrial sewage pipeline are more and more intensive.Be subjected to service life and other factor affecting, leakage problems can appear in sewer line, causes sewage to leak, and influences surrounding enviroment even pollutes accident, so increasingly important for the monitoring of pipe leakage.
Because sewer line is the non pressure pipe line, there is the monitoring method of pressure also inapplicable for commonly used.The sewer line monitoring of leaking at present usually is to be foundation whether to find the sewage that leaks out.After finding leakage, reconnoitre in contaminated area.Another kind method is to carry out assay after the sampling near the pipeline, and accurately still efficient is low to the pollution level analysis.These methods all can't promptly monitor source of leaks at the initial stage of pipeline leakage, still lack a kind of method that can monitor underground sewer leakage point and leakiness automatically at present.
Summary of the invention
The object of the invention provides original position automatic monitoring system and the method that a kind of underground sewer is leaked, to overcome the deficiencies in the prior art.
The present invention is based on the specific resistance in-situ monitoring, its technical conceive is according to the specific resistance that sewage in the pipeline and pipeline are buried environment underground the monitoring that realizes pipeline leakage under the marked difference situation to be arranged.
The original position automatic monitoring system that a kind of underground sewer is leaked comprises the upper-position unit that is used to control, and it is characterized in that also comprising that the bottom is provided with the specific resistance feeler lever of conehead; Described specific resistance feeler lever comprises the pluggable cylindric nylon module of at least 5 hollows and is clipped in the interior copper electrode ring of adjacent two nylon module butt joints; And specific resistance feeler lever top is provided with the acquisition control circuit that includes control program that is connected with each copper electrode ring by lead, with the data transmission module that links to each other with acquisition control circuit.
Above-mentioned specific resistance feeler lever is pegged graft with the copper electrode ring in the butt joint that is clipped in adjacent two nylon modules by the pluggable nylon module of 5～201 hollows and is formed.
In order to guarantee the spacing unanimity between the electrode, make the conversion of measuring position and elevation convenient, the thickness of each copper electrode ring is identical, is 0.5～1mm.
For the ease of assembling and help injection, above-mentioned pluggable nylon module can be nested with on 1 or 2 load axles, and load axle surface can be threaded, and has built vulcanized rubber in the tube chamber, and makes nylon module, copper electrode ring and lead become integral body.
Acquisition control circuit is sent to the upper-position unit that includes the client service program via data transmission module with the data of gathering, and described data transmission module is the GPRS module under the 900MHz/1800MHz network environment, and has the GSM transmitting antenna.
During monitoring, lower-position unit partly is embedded near the soil body of pipeline, the specific resistance feeler lever is put into the measuring position of appointment, link to each other with acquisition control circuit by the data winding displacement, the data that acquisition control circuit is good with collecting treatment send to data transmission module by Serial Port Line, are sent to remote server by data transmission module by wireless network.
The client software that upper-position unit includes can be installed on any computer that can be connected to the internet.Major function has real time data to show, curve is drawn, the automatic preservation of acquisition parameter setting and historical data, automatic early-warning.The user can be provided with the lower-position unit working state by this software, checks monitoring result, and accepts automatic early-warning.
A kind of method of utilizing above-mentioned monitoring system that the automatic monitoring of original position is carried out in underground sewer line leakage comprises 1, clicks sample point easy of underground sewage pipe leakage along the line; It is characterized in that further comprising the steps of:
2, judge whether selected sampling point is suitable as the monitoring point;
3, copper electrode ring and nylon module are pegged graft mutually and constitute the specific resistance feeler lever;
4, bury underground in all monitoring points or injection specific resistance feeler lever;
5, the client software by upper-position unit is provided with also unlatching monitoring automatically of monitoring parameter, according to default parameter, reports to the police automatically when leakage reaches alarm threshold value.
In the step 2, judging whether selected sampling point is suitable as the monitoring point, is that the environment of burying underground in advance to above-mentioned sampling point carries out soil sample, survey its resistivity value and with underground utility in the resistivity value of sewage compare; If gap surpasses 20% as a result, then can choose this sampling point as the monitoring point, that is: if pipeline sewage specific resistance is K, as the resistivity value L＞1.2K or the L＜0.8K of sampling point edatope, this sampling point can be asserted the monitoring point.
L and K also will be as the foundations that alarm threshold value is set, recommendation alarm threshold value=min (L, K)+| (L-K)/2|, in fact generally speaking, L＞K.
In the step 3, can require selection to comprise the hardware parameter of the specific resistance feeler lever of electrode spacing, number of electrodes, feeler lever length according to field monitoring, described field monitoring requires to comprise monitoring range, monitoring accuracy, monitoring point edatope.
Concrete grammar is: bury 11 meter long feeler lever at least underground in each monitoring point, select electrode spacing (reach 5mm as precision prescribed and can select the 5mm electrode spacing for use) according to monitoring accuracy, number of electrodes can calculate on definite above-mentioned two parameter bases, i.e. number of electrodes=feeler lever length/electrode spacing.General use electrode spacing 20mm, total length 1m, the specific resistance feeler lever of 50 electrodes recommended.
In the step 4, can require to bury underground or injection specific resistance feeler lever according to laying, the injection mode mainly be the hydraulic pressure injection.
In the step 5, described monitoring parameter comprises monitoring frequency and alarm threshold value (seepage that is about to which kind of degree is judged to be leakage accident).
The present invention monitors underground sewer line in real time by means of resistivity method, has overcome the defective of conventional method on real-time and accuracy, and uses simple, reliable and stable.Can gather automatically during work, remote transmission, data are preserved, and intelligent the processing reported to the police telecontrol Control work state automatically.Realize omnidistance no worker monitor, automaticity is higher, and the real-time accuracy of location and reliability advantage preferably, is easy to extensively install and use.
Description of drawings
The structural representation of Fig. 1 specific resistance feeler lever of the present invention and acquisition control circuit and data transmission module.
The general structure schematic representation of Fig. 2 monitoring system of the present invention.
Fig. 3 two nylon modules of the present invention and between the decomposition texture schematic representation of copper electrode ring.
The plan view of Fig. 4 nylon module of the present invention (containing the load axle among the figure).
Fig. 5 monitoring method flow chart of the present invention.
Fig. 6 client software flow chart of the present invention.
Wherein, 1. conehead, 2. copper electrode ring, 3. nylon module, 4. lead, 5. acquisition control circuit, 6. data transmission module, 7. transmitting antenna, 8. load axle, 9. specific resistance feeler lever, 10. sewer line, 11. signal receivers, 12. upper-position units.
Embodiment
Shown in Fig. 1～3, the original position automatic monitoring system that a kind of underground sewer is leaked comprises the specific resistance feeler lever 9 that the upper-position unit 12 that is used to control and bottom are provided with conehead 1; Described specific resistance feeler lever 9 comprises the pluggable cylindric nylon module 3 of at least 5 hollows and is clipped in the interior copper electrode ring 2 of adjacent two nylon module 3 butt joints; And specific resistance feeler lever 9 tops are provided with the acquisition control circuit that includes control program 5 that is connected with each copper electrode ring 2 by lead 4, with the data transmission module 6 that links to each other with acquisition control circuit 5.
As shown in Figure 3, above-mentioned specific resistance feeler lever 9 is pegged graft with the copper electrode ring 2 in the butt joint that is clipped in adjacent two nylon modules 3 by the pluggable nylon module 3 of 5～201 hollows and is formed.The height of above-mentioned nylon module 3 and inner and outer diameter are respectively in 5～100mm, 20～60mm and 30～70mm scope.
In order to guarantee the spacing unanimity between the electrode, make the conversion of measuring position and elevation convenient, the thickness of each copper electrode ring 2 is identical, is 0.5～1mm; External diameter is 31～71mm, and internal diameter is 27～67mm, and outer surface can be silver-plated.
As shown in Figure 4, for the ease of assembling and help injection, above-mentioned pluggable nylon module 3 can be nested with on 1 or 2 load axles 8, and load axle 8 surfaces can be threaded, and built vulcanized rubber in the tube chamber, and made nylon module 3, copper electrode ring 2 and lead 4 become integral body.
Acquisition control circuit 5 is sent to upper-position unit 12 via data transmission module 6 with the data of gathering, and upper-position unit 12 has signal receiver 11; Described data transmission module is the GPRS module under the 900MHz/1800MHz network environment, and has GSM transmitting antenna 7.
As shown in Figure 5, utilize above-mentioned in-situ monitoring device that underground sewer line is leaked and carry out the original position method of monitoring automatically, may further comprise the steps:
1, clicks sample point easy the sending out of underground sewage pipe leakage along the line;
In the step 1, need earlier pipeline 10 to be carried out risk of leakage prospecting assessment along the line, with assessment result (as leaking possibility occurrence, the extent of injury after leakage takes place and difficulty of governance etc.) as objective basis, monitoring with the user requires (as the monitoring risk class, project demands such as monitored density),, choose leakage along the line and easily send out a little as sampling point in conjunction with expert opinion as subjective foundation.But mainly be according to underground composition along the line its conductivity value to be made experience to judge, will be as the important evidence of selecting sampling point.
2, judge whether selected sampling point is suitable as the monitoring point:
The environment of burying underground in advance to above-mentioned sampling point carries out soil sample, survey its resistivity value and with underground utility in the resistivity value of sewage compare; If gap surpasses 20% as a result, then can choose this sampling point as the monitoring point;
Because common situation underground pipelines sewage must exist than big-difference with the edatope specific resistance of burying pipeline underground, the soil sample of sampling point mainly is meant the soil solution that sampling point forms after rain penetration, test its specific resistance and compare with pipeline sewage specific resistance, if gap surpasses 20% as a result, then this method is feasible.
3, copper electrode ring and nylon module are pegged graft mutually and constitute the specific resistance feeler lever;
Field monitoring according to the user requires to select specific resistance feeler lever parameter.Concrete grammar is: select feeler lever length (disk of for example monitoring 1 meter of radius can be selected 3 horizontally embedded radial layings that are 120 degree angles of 1 meter long feeler lever) according to monitoring range, select electrode spacing (reach 5mm as precision prescribed and can select the 5mm electrode spacing for use) according to monitoring accuracy, number of electrodes can calculate on definite above-mentioned two parameter bases, i.e. number of electrodes=feeler lever length/electrode spacing.General use electrode spacing 20mm, total length 1m, the specific resistance feeler lever of 50 electrodes recommended.
4, bury underground in all monitoring points or injection specific resistance feeler lever;
Require to bury underground or injection specific resistance feeler lever according to laying.Bury underground or should note condition on the spot during injection, sensitizing ranges such as underground water are arranged near particularly, should prevent because of burying underground or injection causes edatope to change to cause the monitoring point soil resistivity to change.
5, the client software by upper-position unit is provided with also unlatching monitoring automatically of monitoring parameter, and system will report to the police when leakage reaches alarm threshold value automatically according to default parameter.
As shown in Figure 6, parameter is set and starts service by upper-position unit client service program, automatically monitoring operation beginning.Parameter is provided with and comprises that mainly acquisition time is monitoring frequency, alarm threshold value and Type of alarm at interval.Recommend acquisition time to be spaced apart 10 minutes, alarm threshold value=min (L, K)+| (L-K)/and 2|, the SMS alarm mode, concrete parameter can be made adjustment according to actual conditions.The real time data of each point can directly be passed slave computer software back and delivers client end and automatically preserve as historical record afterwards, and occurs reporting to the police automatically when unusual in monitoring result according to default alarm threshold value and Type of alarm.
Embodiment
Leak supervision to certain community wastewater pipeline bus point of branching place.The sampling point place is the xeraphium sand soil, and resistivity value is 100 units, and the sewage electrical resistivity range is a 5-40 unit in the pipeline.The specific resistance feeler lever is selected vertically to bury underground, the electrode retaining collar spacing is 30mm, 30 electrodes (total length is about 1m), carried out once omnidistance the collection in per 3 minutes, alarm threshold value=min (L, K)+| (L-K)/2|, in 52.5～70 scopes, therefore threshold value can all be set to 60 units, the mode that adopts SMS to report to the police, and by client terminal start-up.When pipeline in case leak, the monitoring point resistivity value will sharply reduce and reach rapidly threshold value, system can be to default phone number transmission alarming short message.
Claims (9)
1. the original position automatic monitoring system that underground sewer is leaked comprises the upper-position unit (12) that is used to control, and it is characterized in that also comprising that the bottom is provided with the specific resistance feeler lever (9) of conehead (1); Described specific resistance feeler lever (9) comprises the pluggable cylindric nylon module (3) of at least 5 hollows and is clipped in the interior copper electrode ring (2) of adjacent two nylon modules (3) butt joint; And specific resistance feeler lever (9) top is provided with the acquisition control circuit that includes control program (5) that is connected with each copper electrode ring (2) by lead (4), with the data transmission module (6) that links to each other with acquisition control circuit (5).
2. monitoring system as claimed in claim 1 is characterized in that above-mentioned specific resistance feeler lever (9) is by the pluggable nylon module (3) of 5～201 hollows be clipped in copper electrode ring (2) in the butt joint of adjacent two nylon modules (3) and peg graft and form.
3. monitoring system as claimed in claim 1 or 2 is characterized in that the height of above-mentioned nylon module and inner and outer diameter are respectively in 5～100mm, 20～60mm and 30～70mm scope.
4. monitoring system as claimed in claim 1 or 2 is characterized in that above-mentioned copper electrode ring thickness is 0.5～1mm, and external diameter is 31～71mm, and internal diameter is 27～67mm.
5. monitoring system as claimed in claim 1, it is characterized in that above-mentioned pluggable nylon module (3) is nested with on 1 or 2 load axles (8), and built vulcanized rubber in the tube chamber that overlaps of nylon module (3) and make nylon module (3), copper ring electrode (2) and lead (4) become integral body.
6. one kind is utilized the described monitoring system of claim 1 that the original position method of monitoring is automatically carried out in underground sewer line leakage, comprises that (1) clicks sample point easy the sending out of underground sewage pipe leakage along the line;
It is characterized in that further comprising the steps of:
(2) judge whether selected sampling point is suitable as the monitoring point;
(3) copper electrode ring and nylon module are pegged graft mutually and constitute the specific resistance feeler lever;
(4) bury underground in all monitoring points or injection specific resistance feeler lever;
(5) client software by upper-position unit is provided with also unlatching monitoring automatically of monitoring parameter, according to default parameter, reports to the police automatically when leakage reaches alarm threshold value.
7. monitoring method as claimed in claim 6, it is characterized in that in the above-mentioned steps 2, judging whether selected sampling point is suitable as the monitoring point, is that the environment of burying underground in advance to above-mentioned sampling point carries out soil sample, survey its resistivity value and with underground utility in the resistivity value of sewage compare; If gap surpasses 20% as a result, then choose this sampling point as the monitoring point.
8. monitoring method as claimed in claim 6 is characterized in that in the step 5 that described monitoring parameter comprises monitoring frequency and alarm threshold value.
9. as claim 6 or 8 described monitoring methods, it is characterized in that described alarm threshold value is as follows: if pipeline sewage specific resistance is K, the resistivity value of sampling point edatope is L, then alarm threshold value=min (L, K)+| (L-K)/2|.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110136781 CN102287620B (en) | 2011-05-25 | 2011-05-25 | System and method for automatic in-situ monitoring on leakage of underground sewage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110136781 CN102287620B (en) | 2011-05-25 | 2011-05-25 | System and method for automatic in-situ monitoring on leakage of underground sewage pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287620A true CN102287620A (en) | 2011-12-21 |
| CN102287620B CN102287620B (en) | 2013-03-27 |
Family
ID=45334274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110136781 Active CN102287620B (en) | 2011-05-25 | 2011-05-25 | System and method for automatic in-situ monitoring on leakage of underground sewage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102287620B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033540A (en) * | 2013-01-15 | 2013-04-10 | 中国海洋大学 | Real-time automatic monitoring method and real-time automatic monitoring system for underground light non-aqueous phase liquid pollutant dispersion |
| CN105258765A (en) * | 2015-09-08 | 2016-01-20 | 安徽理工大学 | Dam body hydrostatic level in situ automatic monitoring system and method |
| CN105257990A (en) * | 2015-10-20 | 2016-01-20 | 中国石油化工股份有限公司 | Online thickness measurement monitoring device for crude oil long-distance pipeline |
| CN106324043A (en) * | 2016-08-19 | 2017-01-11 | 成都理工大学 | Device and method for monitoring wetting depth of landslide mass |
| CN106373356A (en) * | 2016-08-30 | 2017-02-01 | 孟玲 | Big data technology-based sewage pipe network monitoring system |
| CN104235617B (en) * | 2014-09-02 | 2017-02-15 | 中国石油天然气股份有限公司 | Pipeline leakage emergency instruction self-decision making system based on monitoring network |
| CN107795857A (en) * | 2017-10-16 | 2018-03-13 | 国家海洋局第海洋研究所 | A kind of underground piping leakage monitoring method and monitoring device |
| CN108488632A (en) * | 2018-03-20 | 2018-09-04 | 宁波水芯物联网科技有限公司 | A kind of urban sewage discharge pipe network detection device and its detection method |
| CN110850479A (en) * | 2019-11-26 | 2020-02-28 | 自然资源部第一海洋研究所 | Three-dimensional resistivity in-situ monitoring probe |
| CN111537566A (en) * | 2020-04-17 | 2020-08-14 | 中天华南建设投资集团有限公司 | Concrete forming construction method based on concrete segregation degree testing device |
| CN111678055A (en) * | 2020-05-13 | 2020-09-18 | 九纯健保定物联网科技有限公司 | Remote early warning system for monitoring leakage of metal pipeline |
| CN111879485A (en) * | 2020-07-31 | 2020-11-03 | 无锡市政设计研究院有限公司 | Assembled sleeve, monitoring system applying same and sewage leakage monitoring method |
| CN115095798A (en) * | 2022-06-08 | 2022-09-23 | 盐城旭东机械有限公司 | High-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system |
| JP7499219B2 (en) | 2021-07-05 | 2024-06-13 | 大成建設株式会社 | Earth resistance measuring device and earth resistance measuring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606354Y (en) * | 2003-03-25 | 2004-03-10 | 中国海洋大学 | Monitor for pressure on original bores on earth on sea bottom |
| WO2005095916A1 (en) * | 2004-04-02 | 2005-10-13 | Stefan Windisch | Method for actively monitoring pipelines |
| JP2006266767A (en) * | 2005-03-23 | 2006-10-05 | Meidensha Corp | Fluid leakage monitoring device of piping network |
| CN101464481A (en) * | 2008-12-31 | 2009-06-24 | 中国海洋大学 | Resistivity monitoring method and apparatus for sea floor erosion/deposition dynamic process |
-
2011
- 2011-05-25 CN CN 201110136781 patent/CN102287620B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606354Y (en) * | 2003-03-25 | 2004-03-10 | 中国海洋大学 | Monitor for pressure on original bores on earth on sea bottom |
| WO2005095916A1 (en) * | 2004-04-02 | 2005-10-13 | Stefan Windisch | Method for actively monitoring pipelines |
| JP2006266767A (en) * | 2005-03-23 | 2006-10-05 | Meidensha Corp | Fluid leakage monitoring device of piping network |
| CN101464481A (en) * | 2008-12-31 | 2009-06-24 | 中国海洋大学 | Resistivity monitoring method and apparatus for sea floor erosion/deposition dynamic process |
Non-Patent Citations (1)
| Title |
|---|
| 郭秀军等: "不同土壤中含油污水污染区的电性变化研究及污染区探测", 《地球物理学进展》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033540A (en) * | 2013-01-15 | 2013-04-10 | 中国海洋大学 | Real-time automatic monitoring method and real-time automatic monitoring system for underground light non-aqueous phase liquid pollutant dispersion |
| CN104235617B (en) * | 2014-09-02 | 2017-02-15 | 中国石油天然气股份有限公司 | Pipeline leakage emergency instruction self-decision making system based on monitoring network |
| CN105258765A (en) * | 2015-09-08 | 2016-01-20 | 安徽理工大学 | Dam body hydrostatic level in situ automatic monitoring system and method |
| CN105257990A (en) * | 2015-10-20 | 2016-01-20 | 中国石油化工股份有限公司 | Online thickness measurement monitoring device for crude oil long-distance pipeline |
| CN106324043A (en) * | 2016-08-19 | 2017-01-11 | 成都理工大学 | Device and method for monitoring wetting depth of landslide mass |
| CN106373356A (en) * | 2016-08-30 | 2017-02-01 | 孟玲 | Big data technology-based sewage pipe network monitoring system |
| CN107795857A (en) * | 2017-10-16 | 2018-03-13 | 国家海洋局第海洋研究所 | A kind of underground piping leakage monitoring method and monitoring device |
| CN108488632B (en) * | 2018-03-20 | 2024-02-02 | 宁波水芯物联网科技有限公司 | Urban sewage discharge pipe network detection device and detection method thereof |
| CN108488632A (en) * | 2018-03-20 | 2018-09-04 | 宁波水芯物联网科技有限公司 | A kind of urban sewage discharge pipe network detection device and its detection method |
| CN110850479A (en) * | 2019-11-26 | 2020-02-28 | 自然资源部第一海洋研究所 | Three-dimensional resistivity in-situ monitoring probe |
| CN111537566A (en) * | 2020-04-17 | 2020-08-14 | 中天华南建设投资集团有限公司 | Concrete forming construction method based on concrete segregation degree testing device |
| CN111678055A (en) * | 2020-05-13 | 2020-09-18 | 九纯健保定物联网科技有限公司 | Remote early warning system for monitoring leakage of metal pipeline |
| CN111879485A (en) * | 2020-07-31 | 2020-11-03 | 无锡市政设计研究院有限公司 | Assembled sleeve, monitoring system applying same and sewage leakage monitoring method |
| JP7499219B2 (en) | 2021-07-05 | 2024-06-13 | 大成建設株式会社 | Earth resistance measuring device and earth resistance measuring method |
| CN115095798A (en) * | 2022-06-08 | 2022-09-23 | 盐城旭东机械有限公司 | High-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system |
| CN115095798B (en) * | 2022-06-08 | 2023-10-31 | 盐城旭东机械有限公司 | High-pressure straight pipe high-pressure anti-drop and high-pressure early warning method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102287620B (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102287620B (en) | System and method for automatic in-situ monitoring on leakage of underground sewage pipeline | |
| CN105782728B (en) | A kind of fluid leakage monitoring device and monitoring method | |
| WO2022105340A1 (en) | Sound wave-based pipe monitoring system, and monitoring method | |
| CN205405824U (en) | Detection alarm system of leaking based on wireless network | |
| CN101871834A (en) | Wireless remote water leakage detection device and system | |
| CN111120877B (en) | Drainage pipe network leakage monitoring equipment based on distributed optical fiber temperature measurement | |
| CN104633455B (en) | Wisdom Safety Cities pipe network real-time monitoring system and method | |
| CN102305813B (en) | In-situ, real-time and automatic monitoring system and method in soil water and salt transport process | |
| CN102305814A (en) | System and method for monitoring seawater intrusion-ground water level-soil salinization in real time | |
| CN101598263A (en) | Portable pipeline leakage detection method and device | |
| KR101062361B1 (en) | A leak sencing apparatus and a system having the same | |
| CN112036086A (en) | Dynamic risk early warning system for gas pipeline | |
| CN110645484B (en) | Transport pipeline monitoring system and method | |
| CN109930656A (en) | A kind of deep foundation pit precipitation recharge automatic monitoring device and monitoring method | |
| CN109238532A (en) | Pipeline stress analysis method and system based on optical fiber Brillouin scattering light | |
| CN105070012A (en) | Beidou satellite-GSM-based dual-mode cathode protection intelligent system | |
| KR101382232B1 (en) | Leak sensing system | |
| CN108980636A (en) | Reserve underground leakage method of real-time | |
| CN109186800A (en) | Pipeline predicting abnormality method and device based on fiber raman scattering light | |
| CN104504881A (en) | Remote pipeline data collecting and processing system | |
| CN104930340A (en) | Distributed wireless monitoring device and system for steam heat-supply network steam trap as well as working method | |
| CN204922520U (en) | Pipeline inspection device | |
| CN109058770B (en) | A kind of method for repairing and mending and system of the gas pipeline based on Beidou Differential positioning | |
| CN111207791A (en) | Sewage parameter acquisition equipment and sewage well monitoring system | |
| KR100462269B1 (en) | Water leakage detectable liquid pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |