CN209495149U - Subterranean pipe line leak source detection system - Google Patents
Subterranean pipe line leak source detection system Download PDFInfo
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- CN209495149U CN209495149U CN201920254944.XU CN201920254944U CN209495149U CN 209495149 U CN209495149 U CN 209495149U CN 201920254944 U CN201920254944 U CN 201920254944U CN 209495149 U CN209495149 U CN 209495149U
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- pipe line
- subterranean pipe
- subterranean
- outlet
- way valve
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Abstract
The utility model discloses a kind of subterranean pipe line leak source detection systems, are set at the subterranean pipe line between two neighboring inspection shaft and two inspection shafts, and ladder is equipped in inspection shaft；Including the Guan Nei mechanism in two circuits port devices and the subterranean pipe line being set between two inspection shafts, two circuits port devices are respectively arranged at the both ends of this section of subterranean pipe line；Line ports device is used to seal the port of subterranean pipe line and improves the air pressure in subterranean pipe line；Guan Nei mechanism is used to measure gas flow rate and the air pressure in subterranean pipe line everywhere.Using the utility model, breakthrough is found to one-inch one-inch in subterranean pipe line without staff, thus had not only improved the level of comfort of work, but also substantially increases the working efficiency for finding breakthrough, and be not in the case where missing breakthrough.
Description
Technical field
The utility model relates to hydraulic engineering technical field more particularly to subterranean pipe line maintenance technologies.
Background technique
With the development of society and modern city, subterranean pipe line is increasing, is a kind of indispensable in social life
Infrastructure.Since factors, the subterranean pipe lines after long-time service such as older aging, in bad repair and vibration, corrosion will appear infiltration
The case where leakage.Existing subterranean pipe line is designed with inspection shaft, and inspection shaft at one is arranged at a certain distance along subterranean pipe line, is convenient for
Staff enters pipeline by inspection shaft and checks or overhaul.
Interior to be easy a large amount of dirts of deposition after leakage phenomenon occurs in subterranean pipe line, the sewage in part of contaminated water pipeline also can
By breakthrough polluted underground water, environment is polluted.
The subterranean pipe line more renewed can thoroughly solve pipeline leakage phenomenon, but this just needs whole excavation construction, engineering
Measure larger, one side cost is very high, on the other hand influences normal traffic.
In place of searching pipeline leakage, and then carrying out repairing and reinforcing is another method for solving the problems, such as pipeline leakage, but is managed
Its internal and out-of-flatness after road is used for a long time, in addition to significantly greater breakthrough, more tiny breakthrough is searched very
It is difficult, it is difficult to it positions, search efficiency is low, time-consuming, and it is crucial there are also missing inspection is easy, it has repaired and has just found the problem not after coming into operation
There is thorough solution.
Utility model content
The purpose of this utility model is to provide a kind of subterranean pipe line leak source detection system, breakthrough search efficiency is higher.
To achieve the above object, the subterranean pipe line leak source detection system of the utility model be set to two neighboring inspection shaft with
And at the subterranean pipe line between two inspection shafts, ladder is equipped in inspection shaft；Including two circuits port devices and it is set to two
Guan Nei mechanism in subterranean pipe line between a inspection shaft, two circuits port devices are respectively arranged at the two of this section of subterranean pipe line
End；Line ports device is used to seal the port of subterranean pipe line and improves the air pressure in subterranean pipe line；Guan Nei mechanism is for surveying
Measure the gas flow rate in subterranean pipe line everywhere and air pressure.
Line ports device includes air pump, the air bag for blocking subterranean pipe line port, two-position three-way valve, cable tube, electricity
Control device and display screen；Two-position three-way valve is equipped with import, first outlet and second outlet, and the import of two-position three-way valve selects connection
First outlet or second outlet；
The import of the escape pipe connection two-position three-way valve of air pump, the first outlet of two-position three-way valve are connected with air bag inflation
Pipe, airbag inflation pipe are connected with air bag；The second outlet of two-position three-way valve is connected with pipeline forcing pipe, and pipeline forcing pipe passes through
Cable tube；For cable tube between air bag and the inner wall of subterranean pipe line, the both ends of cable tube are located at the two sides of air bag；Cable
Be equipped in pipe by a plurality of signal line group at signal harness, electric control gear is equipped with display screen, each signal in signal harness
Line is connected with electric control gear；The both ends of cable tube are respectively provided with the plug of sealing cable tube.
Guan Nei mechanism includes several flow sensors for measuring gas flow rate and several air pressures for being used to measure air pressure
Sensor；Each flow sensor and each baroceptor are uniformly arranged along the length direction of subterranean pipe line respectively；Each flow-velocity sensing
The signal wire of device and each baroceptor forms the signal harness.
One end of the pipeline forcing pipe channel interior located underground is connected with tubaeform air outlet.
Flow sensor and baroceptor are equipped on the roof and bottom wall of subterranean pipe line；Stream on subterranean pipe line roof
The length of flow sensor and baroceptor on fast sensor and baroceptor and subterranean pipe line bottom wall along subterranean pipe line
Direction is dislocatedly distributed respectively.
Using the utility model, breakthrough is found to one-inch one-inch in subterranean pipe line without staff, thus has both been mentioned
The high level of comfort of work, and the working efficiency for finding breakthrough is substantially increased, and be not in miss breakthrough
Situation.
The setting of each component of the utility model convenient for being transported at subterranean pipe line by inspection shaft, and is easily installed and connects.
The setting of two-position three-way valve, as soon as so that it only needs that air bag inflation and underground can be completed using an air pump at an inspection shaft
Pipeline two kinds of functions of pressurization.
Opening of the balloon occlusion subterranean pipe line at inspection shaft, can using air bag deformability closely snugly under
Pipeline inner wall can also seal the port of subterranean pipe line even if subterranean pipe line inner wall out-of-flatness well.The setting of air outlet,
It can reduce when air pump is subterranean pipe line internal pressurization and enter the gas flow rate in subterranean pipe line, to keep pressure process more flat
Surely, stop the gas after pressurization in subterranean pipe line can immediate stability get off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the connection schematic diagram of each sensor in the utility model.
Specific embodiment
As depicted in figs. 1 and 2, the subterranean pipe line leak source detection system of the utility model is set to two neighboring inspection shaft 1
And at the subterranean pipe line 2 between two inspection shafts 1, ladder 3 is equipped in inspection shaft 1；The utility model includes two casing terminals
Guan Nei mechanism in mouth device and the subterranean pipe line 2 being set between two inspection shafts 1, two circuits port devices are respectively set
In the both ends of this section of subterranean pipe line 2；Line ports device is used to seal the port of subterranean pipe line 2 and improves in subterranean pipe line 2
Air pressure；Guan Nei mechanism is used to measure gas flow rate and the air pressure in subterranean pipe line 2 everywhere.
Line ports device includes air pump 4, the air bag 5 for blocking 2 port of subterranean pipe line, two-position three-way valve 6, cable tube
7, electric control gear 8 and display screen 9；Two-position three-way valve 6 is equipped with import, first outlet and second outlet, the import of two-position three-way valve 6
Selection connection first outlet or second outlet；
The escape pipe 10 of air pump 4 connects the import of two-position three-way valve 6, and the first outlet of two-position three-way valve 6 is connected with air bag
Gas tube 11, airbag inflation pipe 11 are connected with air bag 5；The second outlet of two-position three-way valve 6 is connected with pipeline forcing pipe 12, pipe
Road forcing pipe 12 passes through cable tube 7；Cable tube 7 between air bag 5 and the inner wall of subterranean pipe line 2, distinguish by the both ends of cable tube 7
Positioned at the two sides of air bag 5；Be equipped in cable tube 7 by a plurality of signal line group at signal harness 13, electric control gear 8 is equipped with aobvious
Display screen 9, each signal wire in signal harness 13 are connected with electric control gear 8；The both ends of cable tube 7 are respectively provided with close
Seal the plug of cable tube 7.To avoid the drawing of Fig. 1 chaotic, the signal harness in pipeline located underground is not shown in Fig. 1.It can
It is routine techniques (such as rubber stopper, it is preferred to use connect with cable pipe screw thread across the plug of signal harness 13 and pipeline forcing pipe 12
The rubber stopper connect is sealed between signal harness 13 and pipeline forcing pipe 12 and rubber stopper by sealant), plug not shown.
Guan Nei mechanism includes several flow sensors 15 for measuring gas flow rate and several gas for being used to measure air pressure
Pressure sensor 16；The length direction of each flow sensor 15 and each baroceptor 16 respectively along subterranean pipe line 2 is uniformly arranged；Respectively
The signal wire of flow sensor 15 and each baroceptor 16 assemble together with after form the signal harness 13.
One end inside the pipeline forcing pipe 12 pipeline 2 located underground is connected with tubaeform air outlet 14.
The setting of air outlet 14 can reduce when air pump 4 is 2 internal pressurization of subterranean pipe line and enter the gas in subterranean pipe line 2
Body flow velocity, to keep pressure process more steady.
Flow sensor 15 and baroceptor 16 are equipped on the roof and bottom wall of subterranean pipe line；On subterranean pipe line roof
Flow sensor and baroceptor and subterranean pipe line bottom wall on flow sensor and baroceptor along subterranean pipe line
Length direction is dislocatedly distributed respectively.It can more accurately judge the upper and lower position of breakthrough in this way, and the flow velocity biography that practices every conceivable frugality
The dosage of sensor and baroceptor.
Being divided to this section of subterranean pipe line 2 by boundary of the midpoint of this section of subterranean pipe line 2 is two sections of left and right.Left section of subterranean pipe line 2
The signal wire of interior each flow sensor 15 and baroceptor 16 gathers to form signal harness 13, which wears
Cross the cable tube 7 in the line ports device of left side；Each flow sensor 15 and baroceptor 16 in right section of subterranean pipe line 2
Signal wire gathers to form signal harness 13, which passes through the cable tube 7 in right side line ports device；
When installation, staff's each flow sensor of uniform intervals setting in the subterranean pipe line 2 between two inspection shafts 1
15 and baroceptor 16.Then two air bags 5 in two circuits port devices are individually positioned in the left and right of subterranean pipe line 2
Both ends place air pump 4 and electric control gear 8, and electric control gear 8 is preferably provided on ladder 3, convenient for placing and checking；Air pump 4
It is preferably placed on the bottom of inspection shaft 1.
In use, being first inflated for two air bags 5, then pressurize again for subterranean pipe line 2.
Gas replenishment process is: operation two-position three-way valve 6 makes its inlet communication first outlet；Ensure that cable tube 7 is located at air bag 5
Between the inner wall of subterranean pipe line 2, and air bag 5 is stretched out at the both ends of cable tube 7 respectively；Booster air pump 4,5 inflation of air bag will
Cable tube 7 is pressed on the inner wall of subterranean pipe line 2；The end of 7 blocking underground pipeline 2 of cable tube sufficiently after expansion.It has inflated
Cheng Hou operates two-position three-way valve 6, makes its inlet communication second outlet, and air pump 4 is added by pipeline forcing pipe 12 for subterranean pipe line 2
Pressure.By display screen 9 it can be seen that the atmospheric pressure value that baroceptor 16 detects everywhere.When the air pressure pressurization in subterranean pipe line 2
To after predetermined value (water column pressure corresponding to the depth greater than subterranean pipe line 2), air pump 4 is closed, carries out pressure maintaining.Subterranean pipe line 2
When pressurization, it can both start the air pump 4 in two circuits port devices simultaneously, can also only start in a set of line ports device
Air pump 4.
After air pump 4 stops, the air-flow in subterranean pipe line 2, which is gradually put down, has a rest.Gas in subterranean pipe line 2 is from leakage to escaping
It dissipates, the air velocity that the flow sensor 15 near breakthrough detects is significantly higher, while the air pressure sensing near breakthrough
The air pressure that device 16 detects is significant lower.Pass through observation when pressure maintaining, staff can be according to pressure total in subterranean pipe line 2
Decrease speed estimates the whole leak rate of this section of subterranean pipe line 2；By observing each flow sensor 15 and each baroceptor
16 registration can relatively accurately judge breakthrough position, and then can enter subterranean pipe line after the deflation of air bag 5
Subsequent repairing and reinforcing work is carried out at 2 breakthrough.
Using the utility model, due to finding breakthrough to one-inch one-inch in subterranean pipe line 2 without staff, thus
Not only the level of comfort of work had been improved, but also has substantially increased the working efficiency for finding breakthrough, and be not in miss leakage
The case where point.After the completion of repairing and reinforcing work, the work of the inflation of air bag 5, subterranean pipe line 2 pressurization and pressure maintaining can be carried out again,
Thereby further ensure that the validity of repairing and reinforcing work.
Above embodiments are only to illustrate rather than limit the technical solution of the utility model, although referring to above-described embodiment pair
The utility model is described in detail, those skilled in the art should understand that: still can to the utility model into
Row modification or equivalent replacement should all without departing from any modification or partial replacement of the spirit and scope of the utility model
Cover in the scope of the claims of the utility model.
Claims (5)
1. subterranean pipe line leak source detection system, the subterranean pipe line being set between two neighboring inspection shaft and two inspection shafts
Place, inspection shaft is interior to be equipped with ladder；It is characterized by comprising two circuits port devices and the ground being set between two inspection shafts
Guan Nei mechanism in lower pipeline, two circuits port devices are respectively arranged at the both ends of this section of subterranean pipe line；Line ports dress
It sets the port for sealing subterranean pipe line and improves the air pressure in subterranean pipe line；Guan Nei mechanism is for measuring in subterranean pipe line everywhere
Gas flow rate and air pressure.
2. subterranean pipe line leak source detection system according to claim 1, it is characterised in that:
Line ports device includes air pump, the air bag for blocking subterranean pipe line port, two-position three-way valve, cable tube, automatically controlled dress
It sets and display screen；Two-position three-way valve is equipped with import, first outlet and second outlet, the import selection connection first of two-position three-way valve
Outlet or second outlet；
The import of the escape pipe connection two-position three-way valve of air pump, the first outlet of two-position three-way valve are connected with airbag inflation pipe, gas
Capsule gas tube is connected with air bag；The second outlet of two-position three-way valve is connected with pipeline forcing pipe, and pipeline forcing pipe passes through cable
Pipe；For cable tube between air bag and the inner wall of subterranean pipe line, the both ends of cable tube are located at the two sides of air bag；In cable tube
Be equipped with by a plurality of signal line group at signal harness, electric control gear is equipped with display screen, and each signal wire in signal harness is equal
It is connected with electric control gear；The both ends of cable tube are respectively provided with the plug of sealing cable tube.
3. subterranean pipe line leak source detection system according to claim 2, it is characterised in that: Guan Nei mechanism includes several is used for
Measure the flow sensor and several baroceptors for being used to measure air pressure of gas flow rate；Each flow sensor and each air pressure transmission
Sensor is uniformly arranged along the length direction of subterranean pipe line respectively；The signal wire of each flow sensor and each baroceptor forms institute
State signal harness.
4. subterranean pipe line leak source detection system according to claim 2 or 3, it is characterised in that: pipeline forcing pipe position
One end inside subterranean pipe line is connected with tubaeform air outlet.
5. subterranean pipe line leak source detection system according to claim 4, it is characterised in that: the roof and bottom wall of subterranean pipe line
On be equipped with flow sensor and baroceptor；Flow sensor and baroceptor and buried pipe on subterranean pipe line roof
Flow sensor and baroceptor on the bottom wall of road are dislocatedly distributed respectively along the length direction of subterranean pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254944.XU CN209495149U (en) | 2019-02-28 | 2019-02-28 | Subterranean pipe line leak source detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254944.XU CN209495149U (en) | 2019-02-28 | 2019-02-28 | Subterranean pipe line leak source detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209495149U true CN209495149U (en) | 2019-10-15 |
Family
ID=68157056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254944.XU Expired - Fee Related CN209495149U (en) | 2019-02-28 | 2019-02-28 | Subterranean pipe line leak source detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209495149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677087A (en) * | 2020-05-15 | 2020-09-18 | 宁波市北仑精诚设备安装有限公司 | Drainage pipeline system, construction method and leakage detection method |
-
2019
- 2019-02-28 CN CN201920254944.XU patent/CN209495149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677087A (en) * | 2020-05-15 | 2020-09-18 | 宁波市北仑精诚设备安装有限公司 | Drainage pipeline system, construction method and leakage detection method |
| CN111677087B (en) * | 2020-05-15 | 2021-07-09 | 宁波市北仑精诚设备安装有限公司 | Drainage pipeline system, construction method and leakage detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 Termination date: 20200228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |