CN210982826U - Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof - Google Patents
Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof Download PDFInfo
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- CN210982826U CN210982826U CN201921489282.0U CN201921489282U CN210982826U CN 210982826 U CN210982826 U CN 210982826U CN 201921489282 U CN201921489282 U CN 201921489282U CN 210982826 U CN210982826 U CN 210982826U
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- optic fibre
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- protective case
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Abstract
The utility model relates to a protection architecture of optic fibre and butt fusion position is drawn forth to combined material intelligence muscle, including setting up the protective case at intelligent muscle front end, expose the optic fibre outside intelligent muscle body and stretch into forward in the protective case, draw forth optic fibre and arrange in the pine pipe box, draw forth the front end of optic fibre and the one end butt fusion of optic fibre wire jumper, the butt fusion sets up the protective sheath at protection butt fusion position, the fiber splice is connected to the other end of optic fibre wire jumper, and fiber splice exposes forward in the protective case, is covered with the filler in the protective case and is used for drawing forth optic fibre and the consolidation of optic fibre wire jumper in the protective case. The application can effectively protect the leading-out optical fiber and the welding position thereof, improves the service life of the intelligent rib as a long-term monitoring component, and can be widely applied to the projects such as bridge inhaul cables, suspenders and prestressed ribs.
Description
Technical Field
The utility model discloses safety monitoring and structural material technical field, concretely relates to compound intelligent muscle of fibre draws forth optic fibre and butt fusion position's protection architecture.
Background
High-performance materials and structural safety monitoring are the key important research directions of bridge engineering. The carbon fiber composite material rib material has excellent performances of light weight, high strength, corrosion resistance, fatigue resistance, good damping performance and the like, and has become a development direction for improving the span and the durability of a bridge by replacing the traditional steel wire as a guy cable part in a bridge cable.
Compared with the traditional monitoring method, the optical fiber sensor (such as quasi-distributed fiber bragg grating, distributed Brillouin and Raman) has the unique advantages of small sensing element size, high precision, electromagnetic interference resistance, good durability, absolute measurement, convenience in realizing distributed and real-time online test, integration of sensing and data transmission and the like, and becomes the most ideal safety monitoring sensing element of a great engineering structure.
At present, in the process of preparing the fiber composite material rib, the optical fiber sensor is embedded in the middle of the rib along the axial direction to prepare the composite material intelligent rib, so that the characteristic that the optical fiber sensor is fragile in texture and difficult to arrange is overcome, and the fiber composite material intelligent rib is well applied to a plurality of projects. However, in the monitoring process of the long service life of the component, the composite material intelligent rib is often failed. It is found that the failure of the monitoring function of the whole intelligent rib is often caused by the damage of the leading-out optical fiber of the intelligent rib made of the composite material and the welding position of the leading-out optical fiber. Therefore, it is desired to develop a protection structure for an intelligent rib-led optical fiber and a fusion-spliced portion thereof, which can effectively protect the led-out optical fiber and the fusion-spliced portion thereof from damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a protection architecture of optic fibre and butt fusion position is drawn forth to combined material intelligence muscle, the butt fusion position specifically indicates the butt fusion position of drawing optic fibre and optic fibre wire jumper, and optic fibre and butt fusion position are drawn forth in effective protection of this technique, have improved the intelligent muscle as the labour life-span of long-term monitoring part, can the wide application in engineering such as bridge cable, jib, prestressing tendons.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides an optic fibre is drawn forth to combined material intelligence muscle and protection architecture at butt fusion position thereof, including setting up the protective case at intelligent muscle front end, it stretches into in the protective case forward to expose the optic fibre outside intelligent muscle body, it arranges in the pine pipe box to draw forth optic fibre, the front end of drawing forth optic fibre and the one end butt fusion of optic fibre wire jumper, the butt fusion department sets up the protective sheath at protection butt fusion position, the fiber splice is connected to the other end of optic fibre wire jumper, and fiber splice exposes forward in the protective case, it is used for will drawing forth optic fibre and the consolidation of optic fibre wire jumper in the protective case to be covered with the.
The protective sleeve is used for protecting the welding part, and the protective sleeve is used for performing filler consolidation protection on the leading-out optical fiber, the welding part of the leading-out optical fiber and the optical fiber patch cord and most of the optical fiber patch cords, so that the leading-out optical fiber and the welding part of the optical fiber patch cords are thoroughly isolated from the external environment to form sealing protection.
The method for realizing the protection structure of the leading-out optical fiber and the welding part thereof comprises the following steps
1) Leading out a section of optical fiber in the intelligent rib from the intelligent rib body as a leading-out optical fiber;
2) taking a protective sleeve, and sleeving the protective sleeve at the front end of the intelligent rib;
3) taking an optical fiber jumper wire with one end connected with an optical fiber connector, welding the front end of the led-out optical fiber with the other end of the optical fiber jumper wire, sleeving a heat-shrinkable tube on the led-out optical fiber before welding, and moving the heat-shrinkable tube to a welding part to form protection after welding;
4) leading out the optical fiber, the welding part of the optical fiber and the optical fiber jumper wire and part of the optical fiber jumper wire into a protective sleeve, wherein the optical fiber joint is exposed out of the protective sleeve;
5) the protection sleeve and the front end of the intelligent rib are internally and externally consolidated, then the filler is poured into the protection sleeve from the front end, and the lead-out optical fiber, the optical fiber welding part and the optical fiber jumper are consolidated in the protection sleeve;
6) the front end of the protective sleeve is blocked, and only the optical fiber connector is exposed.
Compared with the prior art, the utility model has the advantages of:
1) the utility model provides a used sleeve pipe of protection architecture, filler etc. all are ordinary material, are convenient for obtain.
2) The implementation method of the protection structure in the utility model has simple process and convenient operation;
3) the protection structure in the utility model can effectively protect the optical fiber in the composite material intelligent rib and the welding part between the optical fiber and the optical fiber jumper wire, and improve the service life of the intelligent rib as a long-term monitoring part;
4) the utility model provides a protection architecture is succinct, the at utmost has reduced the technological problem that will meet in the manufacturing process such as composite material intelligence muscle is applied to bridge cable, jib, prestressing tendons etc..
Drawings
Fig. 1 is the utility model relates to a protection architecture of optic fibre and butt fusion position is drawn forth to fibre combined material intelligence muscle.
Wherein:
the optical fiber composite material comprises 1-fiber composite material intelligent ribs, 2-optical fibers, 3-optical gratings, 4-loose tube sleeves, 5-optical fiber jumpers, 6-optical fiber connectors, 7-heat-shrinkable tubes, 8-stainless steel protective sleeves and 9-epoxy resin fillers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiment is only one embodiment of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Examples
The fiber composite material intelligent rib in the embodiment has the diameter of 7.5mm, and the fiber composite material intelligent rib is led out of the optical fiber and the protection structure of the welding part is implemented according to the following steps:
1) leading out a length of the optical fiber sleeved with the loose tube sleeve 4 in the composite material intelligent rib 1 forwards;
2) selecting a stainless steel protective sleeve with the inner diameter of 8mm, the unilateral wall thickness of 0.5mm and the outer diameter of 9mm, wherein the inner diameter of the protective sleeve 8 is slightly larger than the outer diameter of the composite material intelligent bar 1 and smaller than the maximum outer diameter of the optical fiber connector 6, so that the protective sleeve 8 is sleeved on the composite material intelligent bar firstly;
3) the optical fiber jumper 5 with the optical fiber joint 6 at one end is welded with the leading-out optical fiber of the composite material intelligent rib 1, a heat-shrinkable tube is sleeved on the leading-out optical fiber before welding, and the heat-shrinkable tube 7 is used for carrying out primary protection on the welding part in the welding process;
4) the stainless steel protective sleeve 8 on the composite material intelligent bar is moved out, the rear end of the stainless steel protective sleeve is still sleeved outside the front end of the intelligent bar, the leading-out optical fibers, the fusion welding part and part of the optical fiber jumper 5 of the intelligent bar are ensured to be covered in the protective sleeve 8, and if the length of the protective sleeve 8 is allowed, the protective sleeve 8 can be covered to the end part of the jumper joint;
5) coating epoxy resin cured at normal temperature on the contact surface in the composite material intelligent rib and the stainless steel protective sleeve, so that the protective sleeve 8 is fixedly connected on the composite material intelligent rib to prevent the composite material intelligent rib from falling off;
6) filling epoxy resin filler 9 cured at normal temperature into the opening part at the other end of the stainless steel protective sleeve 8, so that the intelligent rib leads out optical fibers, the optical fiber welding part and the optical fiber jumper are fixedly connected inside the protective sleeve, and devices in the protective sleeve and the protective sleeve form a whole;
7) and sealing and protecting the opening part of the end part of the protective sleeve by using the sealant.
Fiber composite intelligence muscle is drawn forth optic fibre and protection architecture at butt fusion position thereof, including setting up protective case 8 and the front end implantation protective case 8 of intelligent muscle 1 at 1 front end of intelligent muscle and fixed, expose out the optic fibre outside intelligent muscle body and stretch into forward in protective case 8, draw forth optic fibre and arrange in loose tube sleeve 4, the front end of drawing forth optic fibre and the one end butt fusion of optic fibre wire jumper 5, the butt fusion department sets up the protective sheath 7 of protection butt fusion position, optic fibre splice 6 is connected to the other end of optic fibre wire jumper 5, and optic fibre splice 6 exposes out in protective case 8 forward, be full of in protective case 8 and pack 9 and be used for drawing forth optic fibre and optic fibre wire jumper 5 concreties in protective case 8.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The utility model provides a protection architecture of optic fibre and butt fusion position is drawn forth to combined material intelligence muscle which characterized in that: including setting up protective case (8) at intelligent muscle (1) front end, expose out the optic fibre outside intelligent muscle body and stretch into forward in protective case (8), draw forth optic fibre and arrange in loose tube box (4), the front end of drawing forth optic fibre and the one end butt fusion of optic fibre wire jumper (5), the butt fusion department sets up protective sheath (7) of protection butt fusion position, optic fibre connector (6) are connected to the other end of optic fibre wire jumper (5), and optic fibre connector (6) expose out in protective case (8) forward, be full of in protective case (8) filler (9) and be used for concreteing leading out optic fibre and optic fibre wire jumper (5) in protective case (8).
2. The intelligent rib leading-out optical fiber and the protection structure of the welding part thereof according to claim 1, characterized in that: the front end of the intelligent bar (1) is implanted into the protective sleeve (8) and fixed.
3. The intelligent rib leading-out optical fiber and the protection structure of the welding part thereof according to claim 1, characterized in that: the optical fiber connector (6) is clamped at the front end of the protective sleeve (8).
4. The intelligent rib leading-out optical fiber and the protection structure of the welding part thereof according to claim 1, characterized in that: the intelligent rib is a composite material intelligent rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921489282.0U CN210982826U (en) | 2019-09-09 | 2019-09-09 | Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921489282.0U CN210982826U (en) | 2019-09-09 | 2019-09-09 | Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof |
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| CN210982826U true CN210982826U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110737056A (en) * | 2019-09-09 | 2020-01-31 | 法尔胜泓昇集团有限公司 | Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof and implementation method |
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2019
- 2019-09-09 CN CN201921489282.0U patent/CN210982826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110737056A (en) * | 2019-09-09 | 2020-01-31 | 法尔胜泓昇集团有限公司 | Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof and implementation method |
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