CN206310244U - A kind of supplying drainage and its leak detection system - Google Patents
A kind of supplying drainage and its leak detection system Download PDFInfo
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- CN206310244U CN206310244U CN201620842036.9U CN201620842036U CN206310244U CN 206310244 U CN206310244 U CN 206310244U CN 201620842036 U CN201620842036 U CN 201620842036U CN 206310244 U CN206310244 U CN 206310244U
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- supplying drainage
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Abstract
The utility model discloses a kind of supplying drainage and supplying drainage leak detection system, comprising leak detecting device, leak detecting device is provided with detection circuit；Supplying drainage includes inner insulating layer and the test layer being arranged on the outside of the inner insulating layer, and test layer includes the first conductive layer and the second conductive layer, interlayer insulating layer is set between the first conductive layer and the second conductive layer；The positive pole and negative pole of leak detecting device connect the first conductive layer and the second conductive layer respectively；When supplying drainage occurs damaged, conducting medium connection the first conductive layer and the second conductive layer inside and outside supplying drainage, the detection circuit in leak detecting device form loop.When the utility model leaks supplying drainage, the position of generation and the generation of incident of leakage can in time, accurately, be easily detected, and it is easy to operate, exploitativeness is strong.
Description
Technical field
The utility model is related to supplying drainage leak detection technology field, more particularly to a kind of supplying drainage and its leakage inspection
Examining system.
Background technology
The work of urban water supply and sewerage pipeline network construction is the important component of urban planning and construction.For urban construction, by
It is inevitably to ask to cause water supply and sewerage pipeline to leak in the reason such as various natural causes (aging, corrosion etc.) and artificial construction
Topic.The monitoring and positioning for being leaked for water supply and sewerage pipeline at present are more difficult.It is primarily due to water supply and sewerage pipeline distributed more widely
And situation numerous and complicated, secondly water supply and sewerage pipeline is buried in underground, it is more difficult to find to leak and implement counter-measure in time.
Current municipal administration water supply and sewerage pipeline leak detection is mainly manually patrolled and examined, the common people report, periodically break ground inspection, environment
The passive approach such as monitoring are processed, and large-scale network can engage professional detection company to be checked in some cycles, with high costs.
Also there are some research institutions to be modeled by pipe network in addition, while substantial amounts of sensor is arranged, with reference to pressure wave in pipeline
Transmission judges leakage, but the method with the rule of changes in flow rate because sensor accuracy and Cost Problems, typically in Large Oil
Applied in gas pipeline, be not suitable for water supply and sewerage pipeline.
The technological means that current specialty supplying drainage detection is used is mainly acoustic detection method, particularly as being by listening rod
To judge the size of leak sound in pipeline, be investigated along pipeline by leak detector and aided in by special correlator really
Determine leak source；There is equipment complex and expensive in the method, leak detection high cost is looked forward to and cannot be realized early stage leak detection and preventive test etc. and asks
Topic；These problems because pipeline is in early seepage and has corroded or destroys, but does not have sound substantially when leakage has not yet been formed,
So cannot also detect sound wave.
Applicant mentioned a kind of letting out for drainpipe in 2015 in the patent of the Application No. 201510872171.8 of application
Missing inspection examining system, sets one layer of conductive layer in supplying drainage, an electrode of leak detecting device is arranged in supplying drainage, another
One electrode connecting conductive layer, when supplying drainage ruptures, the both positive and negative polarity of leak detecting device connects to form loop, sends detection
Signal.Because an electrode of detection means be will leak out is arranged in supplying drainage, there is a problem of that electrode sets difficult, and
Because electrode is contacted with the fluid in supplying drainage for a long time, there is a problem of that electrode is oxidized, weares and teares, destroys, uncontrollable factor
It is more, cause implementation cost higher.
Applicant mentioned a kind of leak detection system of drainpipe in 2016 in 201610088117.9 patents of application,
One electrode is arranged on outside supplying drainage, equally exists above mentioned problem.
The content of the invention
The utility model provides a kind of supplying drainage and its leak detection system, it is intended to solve prior art to plumbing
During pipe carries out leak detection, have that detection difficult, testing equipment or method be complicated or testing cost is very high and not
The problem that supplying drainage leakage can be made prediction.
To realize object above, the utility model provides a kind of supplying drainage leak detection system, comprising supplying drainage, lets out
Device for detecting leakage, the leak detecting device is provided with detection circuit；The supplying drainage is comprising inner insulating layer and is arranged at institute
State the test layer on the outside of inner insulating layer, the test layer includes the first conductive layer and the second conductive layer, first conductive layer with
Interlayer insulating layer is set between second conductive layer；The positive pole and negative pole of the leak detecting device connect first conductive layer respectively
With the second conductive layer；When supplying drainage occurs damaged, conducting medium connection the first conductive layer and second inside and outside supplying drainage
Conductive layer, the detection circuit in leak detecting device forms loop.
Further, the test layer be an entirety, the interlayer insulating layer be insulating substrate, first conductive layer and
Second conductive layer is the conductive layer for being arranged on insulating substrate both sides.
Further, described leak detecting device is single comprising signal generating unit, detection unit, processing unit, storage
Unit, communication unit；Described signal generating unit is used to provide required signal or waveform for detection circuit；The detection is single
Unit becomes for detecting curent change or the voltage change at resistance two ends in the detection circuit or the voltage at inductance two ends
Change；Whether described processing unit is used to judge supplying drainage in damaged state according to the testing result of detection unit；It is described
Memory cell is used to storing the detection data of the leak detecting device, the communication unit be used to sending the detection data to
Remote port.
To realize object above, the utility model also provides a kind of supplying drainage, comprising inner insulating layer and is arranged at institute
State the test layer on the outside of inner insulating layer, the test layer includes the first conductive layer and the second conductive layer, first conductive layer with
Interlayer insulating layer is set between second conductive layer.
Further, the test layer be an entirety, the interlayer insulating layer be insulating substrate, first conductive layer and
Second conductive layer is the conductive layer for being arranged on insulating substrate both sides.
Further, also comprising insulating outer layer, the insulating outer layer is arranged on the outside of the test layer.
Further, also comprising enhancement layer, the enhancement layer is arranged on the inner or outer side of the test layer.
Supplying drainage and its leak detection system and supplying drainage that the utility model is provided, set by water supply and sewerage pipeline
Two conductive layers are put, the two poles of the earth of leak detecting device connect one of conductive layer respectively, when supplying drainage occurs damaged two
Individual conductive layer makes the detection circuit of leak detecting device form loop through conducting medium connection, so as to make sentencing for pipeline breaking
It is disconnected, compared to existing technology, the various leakage detection and localizations of water supply and sewerage pipeline are not only effectively realized, manpower is patrolled and examined in saving, and
Influence and great expense that blindness excavation construction brings can be avoided；Also achieve for the detection of pipeline early seepage, be easy in time
It was found that leakage point and taking necessary counter-measure, more effectively avoid soil pollution, pollution of waterhead or stratum landslide etc. secondary
Disaster.And the setting of leak detecting device is more convenient, exploitativeness is good.
The detecting system applies also for pipeline partial corrosion or destruction, but detection when having not yet been formed leakage, can
To realize the effective prevention of pipeline network leak by early warning, bigger economic benefit is produced.
Brief description of the drawings
A kind of supplying drainage generalized section that Fig. 1 is provided for the utility model first embodiment；
Another supplying drainage generalized section that Fig. 2 is provided for the utility model first embodiment；
The test layer structural profile schematic diagram that Fig. 3 is provided for the utility model first embodiment；
A kind of supplying drainage leak detection system that Fig. 4 is provided for the utility model second embodiment.
Specific embodiment
Process and effect is described in detail to be realized to of the present utility model implementing below with reference to accompanying drawing, should be managed
Solution, embodiment does not constitute the limitation to the utility model protection domain.
Embodiment one
With reference to a kind of supplying drainage that Fig. 1, the utility model embodiment one are provided, for plumbing, as shown in figure 1, bag
Containing inner insulating layer 1 and the test layer 3 being arranged on the outside of the inner insulating layer 1, the test layer 3 includes the He of the first conductive layer 31
Second conductive layer 32, sets interlayer insulating layer 33 between the conductive layer 32 of first conductive layer 31 and second.Inner insulating layer 1 is set
In the insulating barrier of supplying drainage innermost layer, material can for PVC, PP, PPR, PE any one.Test layer 3 is used to connect leakage
Detection means, test layer is the first conductive layer 31 and the second conductive layer 32, first conductive layer and comprising two conductive layers
Isolated by interlayer insulating layer 33 between two conductive layers.As shown in figure 3, the test layer is an entirety, interlayer insulating layer is insulation
Base material, first conductive layer and the second conductive layer are the conductive layer for being arranged on insulating substrate both sides.It is squeezed into inner insulating layer
After type, a test layer for entirety 3 is provided as in the outside of inner insulating layer 1, or first is wrapped up in the outside of inner insulating layer 1
Conductive layer 31, then wraps up interlayer insulating layer in the outside of the first conductive layer 31, and the interlayer insulating layer can be layer of plastic film,
Then the second conductive layer 32 is wrapped up in the outside of interlayer insulating layer 33.As a kind of mode that can put into practice operation, given existing
The overall test layer of drainpipe outside parcel, existing supplying drainage can be transformed into the plumbing that can be used for leak detection
Pipe.
As other supplying drainage structures, such as, in order to realize more preferable rigid supplying drainage, set in supplying drainage
Enhancement layer is put, the enhancement layer can be steel mesh.The enhancement layer can be arranged between the inner insulating layer and test layer,
Can set and be arranged on test layer outside.
Further, as shown in Fig. 2 the outside of the outer supplying drainage sets one layer of external insulation layer 2, form another
Supplying drainage structure, test layer 3 is arranged between inner insulating layer 1 and external insulation layer 2.
The supplying drainage of implementation above, for plumbing, by setting two conductive layers in supplying drainage, two-layer is led
It is dielectrically separated between electric layer, forms the supplying drainage for leak detection.
Embodiment two
With reference to a kind of supplying drainage leak detection system that Fig. 4, the utility model embodiment two are provided, carried comprising embodiment
The supplying drainage of confession, leak detecting device, the supplying drainage is comprising inner insulating layer and is arranged at the inner insulating layer outside
Test layer, the test layer include the first conductive layer and the second conductive layer, between first conductive layer and the second conductive layer
Interlayer insulating layer is set.
The leak detecting device is provided with detection circuit；Described leak detecting device includes signal generating unit, detection
Unit, processing unit, memory cell, communication unit；Described signal generating unit is used to provide required for detection circuit
Signal or waveform, the signal include current signal or voltage signal；The detection unit be used for detect it is described detection circuit in
Curent change or resistance two ends voltage change or the voltage change at inductance two ends；Described processing unit is used for basis
Whether the testing result of detection unit judges supplying drainage in damaged state；The memory cell is used to store the leakage inspection
The detection data of device is surveyed, the communication unit is used to send the detection data to remote port.
As shown in figure 4, the positive pole and negative pole of the leak detecting device 100 connect respectively and drainpipe the first conductive layer
31 and second conductive layer 32；When supplying drainage occurs damaged, the first conductive layer of conducting medium connection 31 inside and outside drainpipe with
Second conductive layer 32, the detection circuit in leak detecting device 100 forms loop, and signal generating unit 20 is provided for detection circuit
Required signal or waveform；Detection unit 10 detects the voltage change of the curent change or resistance two ends in the detection circuit
Change or the voltage change at inductance two ends；Processing unit 30 judges whether supplying drainage is located according to the testing result of detection unit 10
In damaged state；Memory cell 70 stores the detection data of the leak detecting device, and communication unit 50 sends the detection number
According to remote port, display unit 40 shows the testing result of detection unit 10.No matter supplying drainage be from inner side rupture or from
Outside ruptures, as long as test layer occurs the connection of the first conductive layer and the second conductive layer, representing the existing slight crack of supplying drainage will
Rupture has ruptured, and now leak detecting device 100 sends supplying drainage and sends early warning signal, and people can in time make reply
Measure, it is to avoid supplying drainage breakage has serious consequences.
When device for detecting leakage 100 detects pipeline to be had occurred and that or will rupture, can further measure brokenly
The particular location point for occurring is damaged or ruptures, the process of judgement is：The electricity that detection unit 10 according to leak detecting device 100 is measured
Stream (or detection unit resistance/inductance element measures voltage) value, the signal generating unit 20 with reference to leak detecting device 100 are loaded
Magnitude of voltage and leak detecting device internal resistance (constant), external circuit circuit impedance can be extrapolated；With reference to pipeline basic impedance number
According to pipeline in dielectric conductance rate, can calculate pipeline occur leakage point apart from the position of test point.Distance is calculated as follows：
Assuming that loading direct current signal：
I=U detection/R detection=U signals/(R pipeline section+R media+R detections)
R pipeline sections are related with length to R media：R=ρ L/S, L=RS/ Ρ
Wherein：ρ is resistivity, and L is length of material, and S is conductor area
R pipeline sections+R media=R detection * U signals/U detects-R detection=L (ρ 1/S1+ ρ 2/S2)
Calculated more than, length of material L can be drawn.
Two electrodes of the leak detecting device are located on same continuous supplying drainage, or leak detection dress
Two electrodes put are located on two sections of supplying drainages for continuing, wherein the corresponding conductive layer of two sections of supplying drainages for continuing
Connected by conducting medium, the leak detecting device can be made to monitor the leakage feelings of continuous supplying drainage or the supplying drainage that continues
Condition.
The supplying drainage and supplying drainage leak detection system of implementation above, using in giving with double-layer electric conduction medium
Leak detecting device is set on drainpipe, can be learned with the very first time when supplying drainage is occurred damaged.With prior art phase
Than, simple structure and detect accurate and effective, leak detection cost is greatly reduced, with extraordinary application value.
Leak detection system is mainly used in being arranged at the pipe network damage testing of underground in the utility model, in the pipe network
Can be clean water or sewage or other conducting mediums, such as electrolyte, although the network collocation and underground, but it is if described
With on the ground, this leak detection system can similarly be applicable network collocation, also within the scope of the utility model protection.
Above by reference to preferred embodiment of the present utility model has been illustrated, not thereby limit to right of the present utility model
Scope.Those skilled in the art do not depart from the interior any modification made of scope and spirit of the present utility model, equivalent and change
Enter, all should be within interest field of the present utility model.
Claims (7)
1. a kind of supplying drainage leak detection system, comprising supplying drainage, leak detecting device, the leak detecting device is provided with
Detection circuit；The supplying drainage includes inner insulating layer and the test layer being arranged on the outside of the inner insulating layer, the test
Layer includes the first conductive layer and the second conductive layer, and interlayer insulating layer is set between first conductive layer and the second conductive layer；It is described
The positive pole and negative pole of leak detecting device connect first conductive layer and the second conductive layer respectively；When supplying drainage occurs breakage
When, conducting medium connection the first conductive layer and the second conductive layer inside and outside supplying drainage, the detection circuit in leak detecting device
Form loop.
2. supplying drainage leak detection system according to claim 1, it is characterised in that：The test layer is one whole
Body, the interlayer insulating layer is insulating substrate, and first conductive layer and the second conductive layer are to be arranged on leading for insulating substrate both sides
Electric layer.
3. supplying drainage leak detection system according to claim 1, it is characterised in that described leak detecting device bag
Containing signal generating unit, detection unit, processing unit, memory cell, communication unit；Described signal generating unit is used to be inspection
Slowdown monitoring circuit provides required signal or waveform；The detection unit be used for detect it is described detection circuit in curent change or
The voltage change at resistance two ends or the voltage change at inductance two ends；Described processing unit is used for the detection according to detection unit
Whether result judges supplying drainage in damaged state；The memory cell is used to store the detection number of the leak detecting device
According to the communication unit is used to send the detection data to remote port.
4. a kind of supplying drainage, it is characterised in that：Comprising inner insulating layer and the test layer being arranged on the outside of the inner insulating layer,
The test layer include the first conductive layer and the second conductive layer, between first conductive layer and the second conductive layer set insulation every
Layer.
5. supplying drainage according to claim 4, it is characterised in that：The test layer be an entirety, the insulation every
Layer is insulating substrate, and first conductive layer and the second conductive layer are the conductive layer for being arranged on insulating substrate both sides.
6. supplying drainage according to claim 4, it is characterised in that：Insulating outer layer is also included, the insulating outer layer is set
In the outside of the test layer.
7. the supplying drainage according to claim 4 or 6, it is characterised in that：Enhancement layer is also included, the enhancement layer is arranged on
The inner or outer side of the test layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842036.9U CN206310244U (en) | 2016-08-04 | 2016-08-04 | A kind of supplying drainage and its leak detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842036.9U CN206310244U (en) | 2016-08-04 | 2016-08-04 | A kind of supplying drainage and its leak detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206310244U true CN206310244U (en) | 2017-07-07 |
Family
ID=59242522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842036.9U Withdrawn - After Issue CN206310244U (en) | 2016-08-04 | 2016-08-04 | A kind of supplying drainage and its leak detection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206310244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015953A (en) * | 2016-08-04 | 2016-10-12 | 深圳凌水环保科技股份有限公司 | Water feed and drainage pipe as well as leakage detection system and detection method thereof |
-
2016
- 2016-08-04 CN CN201620842036.9U patent/CN206310244U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015953A (en) * | 2016-08-04 | 2016-10-12 | 深圳凌水环保科技股份有限公司 | Water feed and drainage pipe as well as leakage detection system and detection method thereof |
| CN106015953B (en) * | 2016-08-04 | 2019-05-10 | 深圳凌水环保科技股份有限公司 | A kind of supplying drainage and its leak detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170707 Effective date of abandoning: 20190510 |