CN206352733U - A kind of combustion gas intelligence nonmetal flexible pipe - Google Patents
A kind of combustion gas intelligence nonmetal flexible pipe Download PDFInfo
- Publication number
- CN206352733U CN206352733U CN201621414744.9U CN201621414744U CN206352733U CN 206352733 U CN206352733 U CN 206352733U CN 201621414744 U CN201621414744 U CN 201621414744U CN 206352733 U CN206352733 U CN 206352733U
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- Prior art keywords
- combustion gas
- flexible pipe
- sensing
- intelligence
- steel strand
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Abstract
The utility model is related to a kind of intelligent nonmetal flexible pipe of combustion gas, including inner and outer tubes, said inner tube outer wall is coated with tension enhancing sensing layer, the tension enhancement layer outer wall is coated with outer tube, the tension enhancing sensing layer includes one group of reinforcing fiber and one group of steel strand wires sensing becomes optical cable, the sensing of the reinforcing fiber and steel strand wires become optical cable along inner tube axially with predetermined winding angle the other way around cross winding on outer wall of inner tube, the utility model can realize combustion gas non-metallic pipe and replace conventional single storage mode to coil storage mode, reduce tie point, so as to reduce the light loss that built-in steel strand sensing becomes optical cable, realize the function of long range on-line monitoring and spike.
Description
Technical field
The utility model is related to a kind of intelligent nonmetal flexible pipe of combustion gas, more particularly to a kind of suitable for the non-of combustion gas
Metal flexible pipe, belongs to nonmetal flexible pipeline intelligent monitoring technical field.
Background technology
In recent years, the gas pipeline in all parts of the country for being embedded in cities and towns underground is often because of factors such as stratum deformation, burn into outside invasions
Generation gas leakage, and then trigger even more serious explosion accident, cause the disasters such as surface collapse, soil erosion, ponding, endanger
Public security simultaneously causes huge economic loss, it is therefore desirable to carries out safety monitoring to pipeline, prevents trouble before it happens.With municipal administration pipe
The further planning of net, with low, the easy to install nonmetallic PE pipes of corrosion-resistant, cost because its many advantages is in combustion gas, low pressure
Progressively replace steel pipe and cast iron pipe to carry out fuel gas transmission in pipe network, but be due to that PE pipes have non-conductive and non-magnetic characteristic,
Safety monitoring can not be carried out to it using traditional steel pipe Detection location and detection technique, method.
Find through retrieval, Publication No. CN021455023 patent proposes a kind of based on distributed fiberoptic sensor
Oil-gas pipeline leak intelligent online monitoring method, this method by one or several optical cable laying near oil-gas pipeline and and oil gas
Pipeline parallel is set, and uses optical fibers as sensor, oil-gas pipeline is monitored in real time；Publication No. CN101397904's
Chinese patent discloses a kind of method of application fibre optical sensor monitoring downhole casing strain, and this method is by fiber-optic grating sensor
Circumferentially laid along bushing outer surface, and utilize the ground fiber Bragg grating (FBG) demodulator monitoring sleeve week being connected with fiber-optic grating sensor
To strain.Above-mentioned two pieces patent is that optical cable is placed in into pipeline external so that optical cable is influenceed by outside environmental elements, fragile.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcoming of prior art intelligent there is provided a kind of combustion gas
Nonmetal flexible pipe, can be achieved combustion gas non-metallic pipe to coil storage mode and replaces conventional single storage mode, reduce tie point,
So as to reduce the light loss that built-in steel strand sensing becomes optical cable, the function of long range on-line monitoring and spike is realized.
In order to solve the above technical problems, the utility model provides a kind of combustion gas intelligence nonmetal flexible pipe, including it is interior
Pipe and outer tube, outer wall of inner tube are coated with tension enhancing sensing layer, and tension enhancement layer outer wall is coated with outer tube, tension enhancing sensing layer
Become optical cable including one group of reinforcing fiber and the sensing of one group of steel strand wires, reinforcing fiber and steel strand wires sensing become optical cable along inner tube axially with
Predetermined winding angle the other way around cross winding on outer wall of inner tube.
The technical scheme that the utility model is further limited is：
Further, predetermined winding angle is 0 ° to 90 °.
Further, steel strand wires sensing, which becomes optical cable, includes at least two temperature sensing optical fibers and at least two strain optical fiber, at least
Sheath is cased with outside two temperature sensing optical fibers, sheath outer wall is sequentially provided with overlay, steel strand wires layer and protective layer, steel strand wires from the inside to the outside
As the overall reinforcer of optical fiber, also there is the function of pipeline spike while itself pull resistance is improved, steel strand wires are used as pipe
Line warning tracking band carries out pipeline path orientation, and such optical cable can monitor internal force and the stretcher strain of body, so as to position on body
Reveal the big region of occurrence risk.
Further, at least two strain optical fiber are evenly distributed in protective layer.
Further, along steel strand wires sense straining sensing optical cable transmit Brillouin spread penetrate light to strain and temperature change very
Sensitivity, to exclude the influence of temperature, strain optical fiber includes at least two free strain optical fiber and at least two non-free are answered darkening
Fibre, at least two free strain optical fiber and at least two non-free strain optical fiber outer jackets have tight sleeve pipe.
Further, protective layer can be prepared using heat-resistant polymers such as LSZH or PVC, and protective layer can pass through material modification
Do not glued with body after realizing optical cable implantation, be conducive to the stripping of optical cable in later stage process of deployment.
Further, reinforcing fiber can be prepared using aramid fiber, polyester fiber, carbon fiber or glass fibre, its pre-
Clamp force is 100 ± 20 newton.
Further, sensing optic cable pre-tensioning is 0 newton.
Further, the material of inner tube is polyethylene, preferably PE100.
Further, the material of outer tube is polyethylene, preferably PE80.
The beneficial effects of the utility model are：The setting of inner tube of the present utility model can not only ensure the cause of gas conveying
Close property, also with corrosion-resistant, low abrasion, the advantage of good sealing effect；The tension enhancing sensing layer of inner tube outer cladding includes enhancing
Fiber and sensing optic cable, can not only realize the effect of pipeline spike and intelligent and safe monitoring, also act as and improve pipeline tension
Effect, it is ensured that pipeline is not destroyed in process of deployment by during larger pulling force.Meanwhile, by the pipe of sensing optic cable implanting flexible pipe
In wall, one is become, the functions such as pipeline spike and safety monitoring can be realized, can become optical cable to steel strand wires sensing again forms
Protection, it is to avoid optical cable is destroyed when same ditch is laid, and improves its environmental suitability；Pre-tensioner processing is carried out to reinforcing fiber,
Ensure the maximization of tensile force during its use；Outer tube can with each load-carrying construction of protective conduit during installation and use not
It is damaged.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the structural representation of steel strand wires sensing change optical cable in the utility model.
In figure：1- inner tubes, 2- reinforcing fibers, 3- steel strand wires sensing becomes optical cable, 4- outer tubes, 5- strain optical fiber, 6- temperature-sensitive light
Fibre, 7- sheaths, 8- protective layers.
Embodiment
Embodiment 1
A kind of combustion gas that the present embodiment is provided intelligent nonmetal flexible pipe, including inner tube 1 and outer tube 4, outer wall of inner tube bag
Tension enhancing sensing layer is covered with, tension enhancement layer outer wall is coated with outer tube, and tension enhancing sensing layer includes one group of He of reinforcing fiber 2
The sensing of one group of steel strand wires becomes optical cable, reinforcing fiber and steel strand wires sensing become optical cable 3 along inner tube axial direction with predetermined winding angle from opposite
Direction cross winding is on outer wall of inner tube.Predetermined winding angle is 0 ° to 90 °.Steel strand wires sensing, which becomes optical cable, includes two temperature sensing optical fibers
6 and two strain optical fiber 5, sheath 7 is cased with outside two temperature sensing optical fibers, sheath outer wall is sequentially provided with overlay, steel and twisted from the inside to the outside
Line layer and protective layer 8, steel strand wires also have pipeline spike as the overall reinforcer of optical fiber while itself pull resistance is improved
Function, steel strand wires carry out pipeline path orientation as pipeline warning tracking band, and such optical cable can monitor internal force and the stretching of body
Deformation, the big region of occurrence risk is revealed so as to position on body.Two strain optical fiber are evenly distributed in protective layer.Twisted along steel
Line sense straining sensing optical cable transmission Brillouin spread penetrate light to strain and temperature change it is very sensitive, for exclude temperature influence,
Strain optical fiber include two free strain optical fiber and two non-free strain optical fiber, two free strain optical fiber and two it is non-free
Strain optical fiber outer jacket has tight sleeve pipe.Protective layer can be prepared using heat-resistant polymers such as LSZH or PVC, and protective layer can pass through material
It is modified to realize that optical cable does not glue after being implanted into body, be conducive to the stripping of optical cable in later stage process of deployment.Reinforcing fiber can be using virtue
Prepared by synthetic fibre fiber, polyester fiber, carbon fiber or glass fibre, its pre-tensioning is 100 newton.Sensing optic cable pre-tensioning is 0
Newton.The material of inner tube is polyethylene, preferably PE100.The material of outer tube is polyethylene, preferably PE80.
Operation principle of the present utility model is to exist when monitoring system detects pipeline a part beyond default ess-strain
During value, system sends alarm and is accurately positioned.The steel strand wires of optical cable can be applied as pipeline tracing line by detecting devices to it
Plus signal, after detection receiver receives signal, you can the accurate location of pipeline is found, to realize pipeline spike.
In addition to the implementation, the utility model can also have other embodiment.All use equivalent substitutions or equivalent change
The technical scheme to be formed is changed, the protection domain of the utility model requirement is all fallen within.
Claims (10)
1. a kind of combustion gas intelligent nonmetal flexible pipe, including inner and outer tubes, said inner tube outer wall are coated with tension enhancing biography
Feel layer, the tension enhancement layer outer wall is coated with outer tube, it is characterised in that：It is fine that the tension enhancing sensing layer includes one group of enhancing
One group of steel strand wires sensing of peacekeeping becomes optical cable, and the reinforcing fiber becomes optical cable along inner tube axially with predetermined winding angle with steel strand wires sensing
Cross winding is on outer wall of inner tube the other way around.
2. a kind of combustion gas according to claim 1 intelligence nonmetal flexible pipe, it is characterised in that：The predetermined winding angle
For 0 ° to 90 °.
3. a kind of combustion gas according to claim 1 intelligence nonmetal flexible pipe, it is characterised in that：The steel strand wires sensing
Becoming optical cable includes being cased with sheath outside at least two temperature sensing optical fibers and at least two strain optical fiber, at least two temperature sensing optical fibers,
The sheath outer wall is sequentially provided with overlay, steel strand wires layer and protective layer from the inside to the outside.
4. a kind of combustion gas according to claim 3 intelligence nonmetal flexible pipe, it is characterised in that：At least two are answered darkening
Fibre is evenly distributed in protective layer.
5. a kind of combustion gas according to claim 4 intelligence nonmetal flexible pipe, it is characterised in that：The strain optical fiber bag
Include at least two free strain optical fiber and at least two non-free strain optical fiber, at least two free strain optical fiber and at least
Two non-free strain optical fiber outer jackets have tight sleeve pipe.
6. a kind of combustion gas according to claim 3 intelligence nonmetal flexible pipe, it is characterised in that：The material of the protective layer
Matter is low smoke zero halogen flame retardant polypropylene class material or polyvinyl chloride.
7. a kind of combustion gas according to claim 1 intelligence nonmetal flexible pipe, it is characterised in that：The reinforcing fiber
Aramid fiber, polyester fiber, carbon fiber or glass fibre can be used, its pre-tensioning is 100 ± 20 newton.
8. a kind of combustion gas according to claim 1 intelligence nonmetal flexible pipe, it is characterised in that：The steel strand wires sensing
Become the pre-tensioning of optical cable into 0 newton.
9. a kind of combustion gas according to claim 1 intelligence nonmetal flexible pipe, it is characterised in that：The material of said inner tube
Matter is polyethylene.
10. a kind of combustion gas according to claim 1 intelligence nonmetal flexible pipe, it is characterised in that：The material of the outer tube
Matter is polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414744.9U CN206352733U (en) | 2016-12-22 | 2016-12-22 | A kind of combustion gas intelligence nonmetal flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414744.9U CN206352733U (en) | 2016-12-22 | 2016-12-22 | A kind of combustion gas intelligence nonmetal flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206352733U true CN206352733U (en) | 2017-07-25 |
Family
ID=59348117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621414744.9U Active CN206352733U (en) | 2016-12-22 | 2016-12-22 | A kind of combustion gas intelligence nonmetal flexible pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN206352733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390885A (en) * | 2018-11-05 | 2019-02-26 | 中国航空工业集团公司西安飞机设计研究所 | A kind of elongated motion cable sleeve |
-
2016
- 2016-12-22 CN CN201621414744.9U patent/CN206352733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390885A (en) * | 2018-11-05 | 2019-02-26 | 中国航空工业集团公司西安飞机设计研究所 | A kind of elongated motion cable sleeve |
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