CN209215673U - Easily lay easy stripping stress sensing optical cable - Google Patents
Easily lay easy stripping stress sensing optical cable Download PDFInfo
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- CN209215673U CN209215673U CN201920104537.0U CN201920104537U CN209215673U CN 209215673 U CN209215673 U CN 209215673U CN 201920104537 U CN201920104537 U CN 201920104537U CN 209215673 U CN209215673 U CN 209215673U
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Abstract
The utility model relates to one kind easily to lay easy stripping stress sensing optical cable, it from the inside to the outside successively include optical fiber, hard-pressed bale layer, and cable jacket layer, several reinforcing elements are disposed in the cable jacket layer, the cable jacket layer includes cable jacket, the glue cap being connect with the cable jacket, the optical cable conehead being connect with the glue cap, wherein, the cross section of the cable jacket is semicircle, the cross section of the glue cap is arrow-shaped, one end of the optical cable conehead is connect with the glue cap, the cross section of the other end is reverse arrow shape, the optical cable conehead and glue cap are bonded in determinand by glue.Compared with the existing technology, the utility model accuracy height, strain consistent degree height, superior durability, laying stripping are convenient.
Description
Technical field
The utility model relates to sensing optic cable technical fields, more particularly to one kind easily to lay easy stripping stress sensing optical cable.
Background technique
Stress sensing optical cable is the principle that the spectrum absorbed using moieties is changed with fibre strain variation, analyzes light
The spectra of fibre transmission strains in real time.Its physical essence is using the characteristic parameter of the light wave transmitted in optical fiber, such as amplitude, phase
Position, polarization state, wavelength and mode etc., to outside environmental elements, such as temperature, strain, vibration, pressure, radiation are with sensitive special
Property carries out physical quantity feedback.Existing stress sensing optical cable mostly uses the internal common communication optical cable for being made into locking structure, nothing
Scene specific aim, and common communication optical cable step in constructing operations such as laying, strippings is more, it is more troublesome.
With the fast development of optical fiber structure and special optical cable technology, applied to occasions such as bridge, dam, tunnel inner walls
Stress monitoring proposes high request to optical fiber sensing technology.And existing stress sensing optical cable is mostly locking structure circle cable at present, it is right
Not strong in the specific aim of wall body structure monitoring, construction and easy to maintain degree be not high, the reason is as follows that:
1, sensing optic cable used at present is mostly circle cable, unless pouring inbuilt method just using cement in stress test
It can guarantee that optical cable strain is consistent with tested body strain, once but burying maximum defect is optical cable aging or damage, replacement
Sensing optic cable can only take out inbuilt former optical cable, can destroy determinand in this way.And other lay method such as gluing, bracket, this
The sensing optic cable of a little methods and determinand strain concertedness are poor, and can lead because the TERM DEFORMATION of determinand and optical cable restrains
Cause degumming or bracket slack and undisciplined；
2, existing stress sensing optical cable, as general cable, stripping complex steps are needed for general stripping construction and connecting method
Professional stripping tool peels off every layer of sheath, and work progress takes time and effort, long construction period.
Utility model content
For overcome it is existing in the prior art lay, stripping it is inconvenient, sensing optic cable and determinand strain are consistent after laying
Not high disadvantage is spent, the utility model proposes a kind of accuracy height, strain consistent degree height, superior durability, laying stripping are convenient
Distributed monitoring stress the easy stripping stress sensing optical cable of easily laying, meet the more scene applications of a cable.
To achieve the above object, the utility model is realized in this way, the utility model proposes one kind easily to lay easy stripping
Stress sensing optical cable, the easy easy stripping stress sensing optical cable of laying successively include optical fiber, hard-pressed bale layer and optical cable shield from the inside to the outside
Jacket layer, is disposed with several reinforcing elements in the cable jacket layer, the cable jacket layer include cable jacket, with the optical cable
The glue cap of sheath connection, the optical cable conehead being connect with the glue cap, wherein the cross section of institute's cable jacket is semicircle,
The cross section of the glue cap is arrow-shaped, and one end of the optical cable conehead is connect with the glue cap, the cross section of the other end
For reverse arrow shape, the optical cable conehead and glue cap are bonded in determinand by glue.
The further technical solution of the utility model is that the hard-pressed bale layer squeezes fitting and is set to the outer of the optical fiber
Week.
The further technical solution of the utility model is that the reinforcing element is steel wire or glass fibre compound bar.
The further technical solution of the utility model is that the reinforcing element is aramid yarn or organdy.
The further technical solution of the utility model is that the optical fiber is single mode colored optical fiber.
The beneficial effects of the utility model are: the utility model, which easily lays easy stripping stress sensing optical cable, passes through above-mentioned technology
Scheme successively includes optical fiber, hard-pressed bale layer and cable jacket layer, several add is disposed in the cable jacket layer from the inside to the outside
Strong element, the cable jacket layer includes cable jacket, the glue cap that connect with the cable jacket, connect with the glue cap
Optical cable conehead, wherein the cross section of institute's cable jacket is semicircle, and the cross section of the glue cap is arrow-shaped, the light
One end of cable conehead is connect with the glue cap, and the cross section of the other end is reverse arrow shape, the optical cable conehead and glue
Cap is bonded in determinand by glue, and compared with the existing technology, accuracy is high, strains consistent degree height, superior durability, laying
Stripping is convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model easily lays easy stripping stress sensing optical cable preferred embodiment.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Fig. 1 is please referred to, Fig. 1 is the structural representation that the utility model easily lays easy stripping stress sensing optical cable preferred embodiment
Figure.
As shown in Figure 1, the easy stripping stress sensing optical cable of easily laying that the present embodiment proposes successively includes optical fiber from the inside to the outside
10, hard-pressed bale layer 20 and cable jacket layer are disposed with several reinforcing elements 30, the cable jacket in the cable jacket layer
Layer includes cable jacket 40, the glue cap 50 connecting with the cable jacket 40, the optical cable conehead connecting with the glue cap 50
60, wherein the cross section of institute's cable jacket 40 is semicircle, and the cross section of the glue cap 50 is arrow-shaped, the optical cable cone
First 60 one end is connect with the glue cap 50, and the cross section of the other end is reverse arrow shape, the optical cable conehead 60 and glue
Water cap 50 is bonded in determinand 80 by glue 70.
The determinand 80 determinand 80 such as can be cement, wall, tunnel inner wall.
In view of 100 points of fragilities of optical fiber, in the case where guaranteeing strain sensing susceptibility and unaffected consistency, protect
It protects optical fiber 10 and extends sensing optic cable service life, the present embodiment is protected using 20 pairs of optical fiber 10 of hard-pressed bale layer as a result,.
When it is implemented, the hard-pressed bale layer 20 can be squeezed the periphery that fitting is set to the optical fiber 10.
It should be noted that the applicable scene of sensing optic cable that the present embodiment proposes is more, cooperate Brillouin's type Fibre Optical Sensor solution
Device is adjusted to use most preferably for measuring stress variation.Wherein, the optical fiber 10 can use single mode colored optical fiber, and optical fiber 10 is as biography
Conduct optical signals medium element, due to determinand 80 and sensing optic cable gluing, and optical fiber 10 is entirely without remaining length and complete in optical cable
Cable structure is compact, and each component units are to squeeze to be bonded, and determinand 80 will be directly transferred to optical fiber once generating strain
On 10, strain variation can cause optical signal Brillouin's frequency shifts in optical fiber 10, frequency displacement can carry out strain measurement according to this.
In the present embodiment, the material of the reinforcing element 30 can be selected according to the usage scenario of sensing optic cable.It lifts
For example, be all largely long forthright by laying scene under, the steel wire or glass fibre compound bar of hard can be used, in this way
The rigidity of entire cable is strong, and straight laying is convenient；Soft yarn class can be used under the scene that corner is more, bending routing is more
Anti-tensile material such as aramid yarn, organdy, such stranding overall flexibility is big, can be bonded bending routing comprehensively.
In the present embodiment, cable jacket layer is contacted due to direct with extraneous, needs to protect optical cable, for optical cable provide it is wear-resisting,
The abilities such as resistance to compression, shock resistance.The effect of optical cable conehead 60 is that optical cable is facilitated to sink in glue 70 in cable jacket layer, and in cloth
Glue 70 solidifies after facility work, and the reverse arrow of 60 other end of optical cable conehead can increase gluing area, to make optical cable and glue
70 degree of adhesion of water is higher, can more prevent optical cable from deviating from laying groove；The effect of glue cap 50 is to prevent glue 70 in cable jacket layer
It overflows, forms glue 70 and block, when laying lays optical cable while plastic squeeze water 70, and glue cap 50 can be effectively reduced glue 70
It does not outflow in laying groove；Optical cable is pressed when arc-shaped 40 part of cable jacket facilitates laying in cable jacket layer, just
It can be applied in slot as drawing pin with hand；And glue cap 50 and 40 part of semicircle cable jacket can in cable jacket layer
Directly to tear stripping, without any auxiliary tool, tightly packaged fiber 10 is directly exposed after stripping, it is convenient and efficient.
In conclusion the utility model easily lays easy stripping stress sensing optical cable through the above technical solutions, from the inside to the outside
Successively include optical fiber, hard-pressed bale layer and cable jacket layer, is disposed with several reinforcing elements, the light in the cable jacket layer
Cable restrictive coating includes cable jacket, connect with the cable jacket glue cap, the optical cable conehead being connect with the glue cap,
In, the cross section of institute's cable jacket is semicircle, and the cross section of the glue cap is arrow-shaped, one end of the optical cable conehead with
The glue cap connection, the cross section of the other end are that reverse arrow shape, the optical cable conehead and glue cap are bonded by glue
In in determinand, compared with the existing technology, accuracy height, strain consistent degree height, superior durability, laying stripping are convenient.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure made by using the description of the utility model and the drawings or process transformation, are applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (5)
1. one kind easily lay easy stripping stress sensing optical cable, which is characterized in that from the inside to the outside successively include optical fiber, hard-pressed bale layer, with
And cable jacket layer, be disposed with several reinforcing elements in the cable jacket layer, the cable jacket layer include cable jacket, with
The glue cap of the cable jacket connection, the optical cable conehead being connect with the glue cap, wherein the cross section of the cable jacket
Cross section for semicircle, the glue cap is arrow-shaped, and one end of the optical cable conehead is connect with the glue cap, the other end
Cross section be reverse arrow shape, the optical cable conehead and glue cap are bonded in determinand by glue.
2. the easy easy stripping stress sensing optical cable of laying according to claim 1, which is characterized in that the hard-pressed bale layer squeezes patch
Close the periphery for being set to the optical fiber.
3. the easy easy stripping stress sensing optical cable of laying according to claim 1, which is characterized in that the reinforcing element is steel
Silk or glass fibre compound bar.
4. the easy easy stripping stress sensing optical cable of laying according to claim 1, which is characterized in that the reinforcing element is virtue
Synthetic fibre yarn or organdy.
5. the easy easy stripping stress sensing optical cable of laying according to any one of claims 1-4, which is characterized in that the light
Fibre is single mode colored optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920104537.0U CN209215673U (en) | 2019-01-22 | 2019-01-22 | Easily lay easy stripping stress sensing optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920104537.0U CN209215673U (en) | 2019-01-22 | 2019-01-22 | Easily lay easy stripping stress sensing optical cable |
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| Publication Number | Publication Date |
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| CN209215673U true CN209215673U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920104537.0U Active CN209215673U (en) | 2019-01-22 | 2019-01-22 | Easily lay easy stripping stress sensing optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633844A (en) * | 2019-01-22 | 2019-04-16 | 深圳市特发信息股份有限公司 | Easily lay easy stripping stress sensing optical cable |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633844A (en) * | 2019-01-22 | 2019-04-16 | 深圳市特发信息股份有限公司 | Easily lay easy stripping stress sensing optical cable |
| CN109633844B (en) * | 2019-01-22 | 2024-02-27 | 深圳市特发信息股份有限公司 | Easily laid and easily peeled stress sensing optical cable |
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