CN107178709A - A kind of pipeline intellectual monitoring structure - Google Patents
A kind of pipeline intellectual monitoring structure Download PDFInfo
- Publication number
- CN107178709A CN107178709A CN201710559105.4A CN201710559105A CN107178709A CN 107178709 A CN107178709 A CN 107178709A CN 201710559105 A CN201710559105 A CN 201710559105A CN 107178709 A CN107178709 A CN 107178709A
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- Prior art keywords
- pipeline
- monitoring
- sensor
- pressure
- layer
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- 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.)
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Classifications
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- 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
Abstract
The invention belongs to structural states monitoring field, it is related to a kind of pipeline intellectual monitoring structure, it can monitor pressure change of the liquid to tube wall in pipeline.Its technical scheme is that intellectual monitoring structure is made up of overcoat, sensor layer and structure sheaf；Overcoat and the liquid of conveying do not react and wear resistant corrosion resistant, to protect the normal work of sensor；Sensor layer can monitor the change of liquid in pipeline to use pressure sensor；Structure sheaf needs the pressure that can bear to monitor pipeline, has enough hardness and rigidity, the bearing capacity of monitoring pipeline to reach.The characteristics of present invention has highly versatile, simple in construction, maintainability is good, mounting means is simple.
Description
Technical field
The invention belongs to structural states monitoring field, it is related to a kind of pipeline intellectual monitoring structure, for monitoring liquid in pipeline
Pressure change of the body to tube wall.
Background technology
Pipeline transportation and aviation, highway, railway, water transport and five big transportation means of title.Pipeline transportation have closure it is good, from
Dynamicization degree is high, the features such as have a safety feature, and the optimum carrier as oil gas, transport is played among industrial gas oil
More and more important effect.
Because the medium of accumulating is the dangerous high fluid such as crude oil, liquefied gas mostly, once gas leak of the oil leakage etc. occurs for pipeline
Accident, the oil gas of leakage easily causes great security incident, causes casualties and property loss, and the oil product of leakage is also to water
Source, soil are polluted, have a strong impact on public health and ecological environment _.Therefore, Discussion on Pipe Leakage Detection Technology helps occurring
Found in time during accident, accurately estimate location of accident, important guaranteeing role, reinforcement pair are played in the safety in production to pipeline transportation
The research and application of Discussion on Pipe Leakage Detection Technology, have important practical significance.
The leakage detection and location method of pipeline is roughly divided into four classes：The first kind is to be based on manual inspection method, this kind of method
With positioning precision is high and the characteristics of relatively low rate of false alarm, but leakage can not be found in time, detect the progress that can only be interrupted；Equations of The Second Kind
It is leak detecting in the pipe based on technologies such as ultrasound, magnetic flux, shooting, vortex, shootings, this kind of method positioning precision height and rate of false alarm
It is low, but on-line checking can not be realized, because detection ball drifts about in pipe with medium, the pipeline of larger caliber is only applicable to, easily
Generation such as blocks, stopped transport at the accident, and detects that ball is expensive, and operating cost is higher；Equations of The Second Kind is by directly detecting leakage
There is the pipe outside detection method for realizing leakage detection and location in material, mainly including distribution type fiber-optic, cable, special cables etc., this
Class method is very sensitive, has preferable effect for gentle let out of Small leak, but price and construction cost are all higher, and being broken at one will
Whole monitoring system is caused to fail；4th class is the outside leak detecting based on operational factors such as pipeline pressure, flow and temperature, it
On-line checking can be realized, and construction and maintenance are all more convenient, are the main directions of current pipeline leakage testing and Position Research
One of.This kind of method mainly includes the method based on suction wave, based on the method for sound wave, the method based on transient flow and base in pipe
In method of model etc..In this kind of method, because negative pressure wave method is without complicated model building for pipeline, for more than 1.5% total flow
Accident release, can accurately identify leakage and precise positioning；Because the suction wave of minute leakage generation is after long range is transmitted
Decay is serious, and pressure transmitter is insensitive to its, for minute leakage this method DeGrain, often fails to report.Therefore
Need a kind of new Monitoring Pinpelines structure.
The content of the invention
Goal of the invention：Propose monitoring of structures of the liquid to tube wall pressure in a kind of monitoring pipeline.
Technical solution of the present invention：
A kind of pipeline intellectual monitoring structure, including overcoat, sensor layer and structure sheaf.Overcoat by with liquid in pipeline
Nonreactive protective coating and pressure conduction layer constitutes or by being constituted with pipeline liquid nonreactive pressure conduction layer, is arranged in prison
The most inner side of geodesic structure, is directly contacted with the liquid of conveying；Sensor layer is made up of pressure sensor and supporting construction, is arranged on
The surface of overcoat；Structure sheaf be pipeline material therefor or other meet the structure of pipeline pressure, be arranged on sensor layer
Outside, for protecting sensor layer, at the same complete and pipeline connection；The signal wire access signal acquisition of the sensor,
Analysis and transmitter module, after analyzing and processing, the monitoring system of pumping plant is sent to by time-division and frequency division signal.Intellectual monitoring knot
The connected mode of structure：Monitoring of structures is arranged between two pipelines, is linked together using the method removably mechanically connected.
A kind of above-mentioned pipeline intellectual monitoring structure, it is characterised in that described overcoat by not reacted with liquid in pipeline and
Wear resistant corrosion resistant protective coating and pressure conduction layer composition or by do not reacted with pipeline liquid and wear resistant corrosion resistant pressure pass
Conducting shell is constituted；The protective coating includes epoxy coating, phenolic coating, Vinylidene Chloride coating, polyurethane coating, poly-
One or more in ethene, rubber, enamel, polytetrafluorethylecoatings coatings and alkyd resin coating；The pressure conduction layer is served as reasons
The pressure-bearing resin bed good with sensor layer compatibility.
Above-mentioned a kind of pipeline intellectual monitoring structure, it is characterised in that described pressure sensor layer is in ring-like, in circumference side
To the pressure sensor with arrangement 1 and the above on axial direction；The pressure sensor includes at least one mechanical membrane chip capacitor type
Pressure sensor, silicon diaphragm capacitance type pressure sensor, piezoelectric type pressure sensor, strain type pressure sensor, optical fiber pressure
Sensor and Hall effect pressure sensor.
Above-mentioned a kind of pipeline intellectual monitoring structure, it is characterised in that described structure sheaf is made up of tubular member, and its two ends has
Mating structure needed for connection.
Above-mentioned a kind of pipeline intellectual monitoring structure, it is characterised in that the connection method of described monitoring of structures connects including screw thread
Connect, flange connection, socket joint connection, the collar connection and collar clamp type flexible pipe joint connection one or both of.
Above-mentioned a kind of pipeline intellectual monitoring structure, it is characterised in that the bearing capacity of described monitoring of structures should be with being monitored
The bearing capacity of pipeline is identical；The internal diameter of monitoring of structures should be identical with the internal diameter of monitoring pipeline；Overcoat and sensor layer are not joined
Carrying is examined, thickness is in 0.05mm between 10mm；The size and design of material of structure sheaf, should there is enough intensity, rigidity and hard
Degree, the bearing capacity of monitoring pipeline to reach.
A kind of above-mentioned pipeline intellectual monitoring structure, it is characterised in that the upper overcoat of inner surface arrangement of described structure sheaf and
Sensor layer, overcoat need to be completely covered in structure sheaf inner surface；At least one structure hole is set on structure sheaf, so that sensor
Signal wire can be drawn out to outside structure.
A kind of above-mentioned pipeline intellectual monitoring structure, it is characterised in that described signal acquisition, analysis and transmitter module, bag
Include Acquisition Circuit, unilateral machine, electric power system and sender unit are analyzed and processed, after the data monitored are handled by analysis
It is sent to the monitoring system of pumping plant.
Beneficial effect：
Pipeline intellectual monitoring structure includes pressure sensor, and these sensors can monitor stress of the liquid to tube wall；Prison
Geodesic structure is arranged between two-section pipeline, and the internal diameter of structure is identical with the internal diameter of monitoring pipeline, the structure sheaf of sufficient intensity so that
The use of monitoring of structures does not interfere with the function of the conveying liquid of pipeline；The signal for alloing sensor by the aperture of tube wall is passed
Pass out；Using overcoat, protection sensor and monitoring of structures make it possible to use for a long time；The present invention monitoring of structures from
It is arranged in scatteredly in the middle of monitoring pipeline, maintainable good, can be accurately positioned and change or repair the monitoring of structures does not influence
The normal work of other sensors.
Brief description of the drawings
Fig. 1 is the intelligent connecting component schematic diagram (cross section) of patent of the present invention.
Fig. 2 is the schematic diagram (profile) of intelligent connecting component embodiment one.
Fig. 3 is the schematic diagram (profile) of intelligent connecting component embodiment one.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Embodiment one
A kind of embodiment of pipeline intellectual monitoring structure, is shown in Fig. 1.A kind of pipeline intellectual monitoring structure is used for petroleum pipeline
Monitoring.The material of the selection for pipeline is that carbon steel 16Mn, its yield strength are 343MPa, and the external diameter of pipeline is 377mm, and wall thickness is
55mm.It includes structure sheaf 11, sensor layer 12 and overcoat 13 (protective coating 131 and pressure sensing layer 132).Structure sheaf material
Expect for carbon steel 16Mn, be 5mm by sensor layer design thickness, according to tubing intensity, calculate and obtain the external diameter of structure sheaf 11 and be
392mm, wall thickness is 57.5mm.One is made a call on the tube wall of structure sheaf 11Through hole, deburring, then in structure sheaf 11
Outer surface carries out blasting treatment, Sa2.5 grades is reached, so that sensor layer 12 can make structure sheaf with the strong bonded of structure sheaf 11
The 3PE corrosion-inhibiting coatings of outer surface can be firmly combined with the outer surface of structure sheaf 11；Then prepare and pass in the inner surface of structure sheaf 11
Sensor bearing bed 121, wherein bearing bed are epoxy resin layer；Then on 6 directions of bearing bed 121, it is evenly arranged 10x10
Piezoelectric film sensor 122.Then passed the lead of sensor 122 from the hole of the tube wall of structure sheaf 11.It is last to sense
The surface of device layer 12 prepares overcoat 13, and the conducting shell and coating of overcoat are epoxy coating, and the coating has antifriction to subtract
The effect of resistance, can contact with oil for a long time and protect sensor and monitoring of structures.After cured, the system of monitoring of structures is completed
Make.The two ends of monitoring of structures are using double flange designs.In the present embodiment, monitoring of structures realizes the tubing with two ends by flange
Connection, complete assembling.
Embodiment two
A kind of embodiment of pipeline intellectual monitoring structure.A kind of pipeline intellectual monitoring structure is used for the prison of natural gas line
Survey.The material of the selection for pipeline is that L245M, its yield strength are 245MPa, and the external diameter of pipeline is 400mm, and wall thickness is 35mm.It
Including structure sheaf 11, sensor layer 12 and overcoat 13 (protective coating 131 and pressure sensing layer 132).Structural material is not
Become rusty steel, is 0.6mm by sensor layer design thickness, and protection thickness is 0.4mm, and according to tubing intensity, calculating obtains structure sheaf 11
External diameter is 400mm, and wall thickness is 35.5mm.One is made a call on the tube wall of structure sheaf 11Through hole, deburring, then to structure
11 surfaces externally and internally of layer carry out blasting treatment, reach Sa2.5 grades, so that sensor layer 12 can be with the strong bonded of structure sheaf 11 jail
Gu, the 3PE corrosion-inhibiting coatings and structure sheaf 11 for enabling structure sheaf outer surface are firmly combined with；Then prepared in the inner surface of structure sheaf 11
Sensor bearing bed 121, wherein bearing bed are polyurethane layer；Then on 6 directions of bearing bed 121, it is evenly arranged 20x20
Capacitance pressure transducer, 122.Then passed the lead of sensor 122 from the hole of the tube wall of structure sheaf 11.It is last to pass
The surface of sensor layer 12 prepares overcoat 13, and the conducting shell 132 and protective coating 131 of overcoat are polyurethane coating, the painting
Layer requires there is antifriction resistance-reduction, can contact with natural gas for a long time and protect sensor and monitoring of structures.After cured,
Complete the manufacture of monitoring of structures.The two ends of monitoring of structures are using double flange designs.In the present embodiment, monitoring of structures passes through clip
Formula flexible pipe joint realizes the connection with the tubing at two ends, so as to complete assembling.
During the embodiment is one of combination of above-mentioned technical proposal, practice, different intelligent connecting components
With the different combination such as quantity, different power modules, unlike signal Transmission system and different single display modes, at this
Within the protection domain of patent.
Claims (8)
1. a kind of pipeline intellectual monitoring structure, it is characterised in that including structure sheaf, sensor layer, overcoat and signal acquisition, divide
Analysis and transmitter module.The structure sheaf be pipeline material therefor or other meet the structure of pipeline pressure, be arranged on sensing
The outside of device layer, for protecting sensor layer, while completing the connection with pipeline；The sensor layer is by pressure sensor and branch
Support structure is constituted；The overcoat by with the nonreactive protective coating of liquid in pipeline and pressure conduction layer constitute or by with pipeline
The nonreactive pressure conduction layer composition of liquid, is covered in the surface of sensor layer, the most inner side of monitoring of structures is arranged in, with conveying
Liquid directly contact；Signal wire access signal acquisition, analysis and the transmitter module of the sensor, after analyzing and processing, lead to
Spend the time-division and frequency division signal is sent to the monitoring system of pumping plant.The connected mode of the intellectual monitoring structure：Monitoring of structures is set
Between two pipelines, linked together using the method removably mechanically connected.
2. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that described structure sheaf is by tubular member
Composition, the inner surface of structure sheaf need to be through blasting treatment, and there is the mating structure needed for connection at its two ends,.
3. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that the connection of described monitoring of structures
Method includes one kind or two in threaded connection, flange connection, socket joint connection, collar connection and collar clamp type flexible pipe joint connection
Kind.
4. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that the pressure-bearing of described monitoring of structures
Ability should be identical with the bearing capacity of monitored pipeline；The internal diameter of monitoring of structures should be identical with the internal diameter of monitoring pipeline；Overcoat
With sensor layer without reference to carrying, thickness is in 0.05mm between 10mm；The size and design of material of structure sheaf, should have enough
Intensity, rigidity and hardness, the bearing capacity of monitoring pipeline to reach.
5. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that described overcoat by with pipeline
Interior liquid is not reacted and protective coating and the pressure conduction layer of wear resistant corrosion resistant are constituted or by not reacted and wear-resisting with pipeline liquid
Corrosion resistant pressure conduction layer composition；The protective coating includes epoxy coating, phenolic coating, Vinylidene Chloride and applied
Layer, polyurethane coating, polyethylene coating, rubber, enamel, polytetrafluorethylecoatings coatings and one kind or several in alkyd resin coating
Kind；The pressure conduction layer is by the pressure-bearing resin bed good with sensor layer compatibility.
6. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that described pressure sensor layer is in
It is ring-like, the pressure sensor of 1 and the above is arranged on circumferentially and axially；The pressure sensor includes at least one machine
Tool diaphragm capacitance type pressure sensor, silicon diaphragm capacitance type pressure sensor, piezoelectric type pressure sensor, strain type pressure sensing
Device, fibre optic compression sensor and Hall effect pressure sensor.
7. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that the inner surface of described structure sheaf
Overcoat and sensor layer in arrangement, overcoat need to be completely covered in structure sheaf inner surface；At least one structure is set on structure sheaf
Hole, so that the signal wire of sensor can be drawn out to outside monitoring of structures.
8. a kind of pipeline intellectual monitoring structure according to claim 1, it is characterised in that described signal acquisition, analysis and
Transmitter module, including Acquisition Circuit, the unilateral machine of analyzing and processing, electric power system and sender unit, the data monitored are passed through
Cross the monitoring system that pumping plant is sent to after analyzing and processing.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715496X | 2017-06-19 | ||
| CN201720715496 | 2017-06-19 | ||
| CN2017104637239 | 2017-06-19 | ||
| CN201710463723 | 2017-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107178709A true CN107178709A (en) | 2017-09-19 |
Family
ID=59845847
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710559105.4A Pending CN107178709A (en) | 2017-06-19 | 2017-07-11 | A kind of pipeline intellectual monitoring structure |
| CN201720833643.3U Expired - Fee Related CN207213654U (en) | 2017-06-19 | 2017-07-11 | A kind of pipeline intellectual monitoring structure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720833643.3U Expired - Fee Related CN207213654U (en) | 2017-06-19 | 2017-07-11 | A kind of pipeline intellectual monitoring structure |
Country Status (1)
| Country | Link |
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| CN (2) | CN107178709A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555974A (en) * | 2018-12-12 | 2019-04-02 | 宁波安浮新能源科技有限公司 | A kind of flexible hose structure and hose detection system |
| CN111336409A (en) * | 2018-12-19 | 2020-06-26 | 福建纳川管业科技有限责任公司 | Plastic pipe with double-layer conductive layer |
| CN115031170A (en) * | 2022-06-30 | 2022-09-09 | 江南大学 | Mechanical pipeline damage sensor array device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178709A (en) * | 2017-06-19 | 2017-09-19 | 杨力 | A kind of pipeline intellectual monitoring structure |
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|---|---|
| CN207213654U (en) | 2018-04-10 |
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Application publication date: 20170919 |
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