CN210270284U - Sensing optical cable - Google Patents
Sensing optical cable Download PDFInfo
- Publication number
- CN210270284U CN210270284U CN201920307237.2U CN201920307237U CN210270284U CN 210270284 U CN210270284 U CN 210270284U CN 201920307237 U CN201920307237 U CN 201920307237U CN 210270284 U CN210270284 U CN 210270284U
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- Prior art keywords
- insulation layer
- heat insulation
- thermal insulation
- layer
- water pipe
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Abstract
The utility model provides a sensing optical cable relates to the photoelectric transmission field. The optical fiber thermal insulation structure comprises optical fibers, the outer surface of each optical fiber is wrapped by a first thermal insulation layer, a second thermal insulation layer is sleeved on the periphery of the first thermal insulation layer, a gap is reserved between the first thermal insulation layer and the second thermal insulation layer, a plurality of thermal insulation mechanisms are arranged on the inner wall of the second thermal insulation layer, every four thermal insulation mechanisms are a group of annular embedded inner walls of the second thermal insulation layer, the groups of thermal insulation mechanisms are linearly arranged along the inner walls of the second thermal insulation layer at equal intervals, and the outer surface of the second thermal insulation layer is wrapped by a PE (. The heat insulation mechanism comprises a guide pipe, and the outer surface of the guide pipe is bonded with the inner wall of the heat insulation layer through an adhesive. The utility model discloses a set up thermal-insulated mechanism for the optical cable carries out the during operation under high temperature environment, and outside high temperature influence can not be received to inside sensing optic fibre, can guarantee optic fibre normal transmission signal, reduces the emergence of light loss under the high temperature environment.
Description
Technical Field
The utility model relates to a photoelectric transmission technical field specifically is a sensing optical cable.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers according to a certain mode to form a cable core, is coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission.
The sensing optical cable is an optical fiber which converts physical quantity of non-optical signals into optical signals, senses and transmits the optical signals through optical fibers, and finally converts the optical signals into measured physical quantity for measuring physical quantity such as temperature, pressure, displacement, speed, voltage, current, concentration of molten liquid and the like, and a protective structure is wrapped on the outer surface of the optical fiber to form the optical cable.
In prior art, protective layer structure at the outer surface of optical fiber parcel generally is the anticorrosive waterproof material of polyethylene, the material characteristics of polyethylene material itself lead to it to be difficult to by the corruption, and simultaneously, still have very high leakproofness, thereby make the optical cable can work under special environment, but the protective layer of the outer surface of current optical fiber parcel generally does not have fine high temperature resistant effect, the high temperature resistance of polyethylene material is poor, easy degeneration after being heated, thereby the inside optic fibre of parcel of polyethylene material can lead to the increase of optical loss because the temperature risees simultaneously, under the environment of some local high temperatures, the heat that the optical cable received does not have timely conduction, lead to the local high temperature in the local optical cable to influence the sensing effect of optical cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sensing optical cable solves prior art, and the problem of damage is caused to the optical cable under high temperature environment that the optical cable exists.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a sensing optical cable, includes optic fibre, the surface parcel of optic fibre has insulating layer one, insulating layer two has been cup jointed to the periphery of insulating layer one, leave the space between insulating layer one and the insulating layer two, be provided with a plurality of heat-proof mechanism on the inner wall of insulating layer two, and per four heat-proof mechanisms are a set of annular and inlay on the inner wall of insulating layer two, and a plurality of groups heat-proof mechanism are linear and set up along the inner wall equidistance of insulating layer two, the surface parcel of insulating layer two has the PE anticorrosive coating.
The heat insulation mechanism comprises a guide pipe, the outer surface of the guide pipe is bonded with the inner wall of a first heat insulation layer through an adhesive, the other side of the outer surface of the guide pipe is bonded with the first heat insulation layer through the adhesive, the number of the guide pipes is not less than four, the guide pipes surround the outer surface of the first heat insulation layer in an annular mode, every two guide pipes are provided with water pipes between each two guide pipes, cooling liquid is filled in the water pipes, the volume of the cooling liquid occupies one fourth of the volume of the water pipes, the two ends of each water pipe penetrate through the guide pipes and extend into the inner cavities of the guide pipes, a support is fixedly arranged in each guide pipe, a condensation rod is fixedly arranged in each water pipe, and the two ends of each condensation rod penetrate.
Further, the PE anticorrosive layer comprises an innermost epoxy coating layer, a middle polymer adhesive and a polyolefin protective layer on the outer surface.
Furthermore, the first heat insulation layer and the second heat insulation layer are made of foamed polyurethane, and waterproof paint is coated on the outer surface of the first heat insulation layer.
Furthermore, the both ends of water pipe all are provided with sealed the pad, sealed the pad setting in the position department that the condensation rod runs through the water pipe.
Furthermore, protruding heat conducting fins are arranged at two ends of the condensation rod extending to the inner cavity of the guide pipe.
Furthermore, the cross section of the support is W-shaped, two bending points of the support are fixed with one side of the inner wall of the guide pipe, which is far away from the optical fiber, and two protruding foot-shaped structures of the support have elasticity.
Compared with the prior art, the utility model discloses a set up thermal-insulated mechanism for the optical cable carries out the during operation under high temperature environment, and outside high temperature influence can not be received to inside sensing optic fibre, can guarantee optic fibre normal transmission signal, reduces the emergence of light loss under the high temperature environment.
Additionally, the utility model discloses in, through setting up the support, the cross-section of support is the W form, when the optical cable is received and is played no pressure, elastic deformation can be sent to the pipe, when elastic deformation was received to the pipe, elastic deformation can take place with the inner wall contact of pipe for two stabilizer blades of support to two stabilizer blades that make the support draw close each other, when the stabilizer blade of two supports draws close each other, can consume partly ambient pressure, decompose partly both sides to the pipe with the pressure of vertical action optic fibre, thereby the purpose of optical cable resistance to compression has been reached.
The utility model discloses in, through the cooperation of pipe and water pipe, when the temperature is higher, the evaporation can be accelerated to the inside coolant liquid of water pipe, can absorb the heat in the pipe during the coolant liquid evaporation, and produce steam, and because the setting of condenser rod, the inside that the both ends of condenser rod run through the pipe can be with the inside of heat transfer to the pipe, the heat is in the inside transmission of pipe another group condenser rod passes through the condenser rod and transmits the condensate, thereby avoid the optical cable to work under the environment of local high temperature and lead to the condition emergence of light loss.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial sectional view of the heat insulation mechanism of the present invention;
fig. 3 is the schematic structural diagram of the 3PE anticorrosive coating of the present invention.
The optical fiber type heat insulation device comprises an optical fiber 1, a heat insulation layer I2, a heat insulation layer II 3, a heat insulation mechanism 4, a conduit 401, a water pipe 402, a bracket 403, a condensation rod 404, a PE anticorrosive layer 53, an epoxy coating layer 501, a polymerization adhesive 502, a polyolefin protective layer 503, a sealing gasket 6 and a heat conducting fin 7.
Detailed Description
As shown in fig. 1-3, the embodiment of the utility model provides a sensing optical cable, including optic fibre 1, in this embodiment, optic fibre 1 can be single core fiber, perhaps multicore optic fibre all can, and the surface parcel of optic fibre 1 has insulating layer one 2, and insulating layer two 3 has been cup jointed to the periphery of insulating layer one 2, and insulating layer one 2 is foaming polyurethane with the preparation material of insulating layer two 3, and polyurethane foaming agent full-scale monocomponent polyurethane foam gap filler is the product of aerosol technology and polyurethane foam technology cross bonding. The polyurethane foaming agent is a special polyurethane product which is filled with components such as polyurethane prepolymer, foaming agent, catalyst and the like in a pressure-resistant aerosol can. When the material is sprayed from the aerosol canister, the foamed polyurethane material expands rapidly and reacts with air or moisture in the contacted substrate to form a foam. The application range is wide. The foam has the advantages of pre-foaming, high expansion, small contraction and the like, and the foam has good strength, high bonding force and various effects of joint filling, bonding, sealing, heat insulation, sound absorption and the like after curing. And waterproof paint is smeared on the outer surface of the first heat-insulating layer 2, a gap is reserved between the first heat-insulating layer 2 and the second heat-insulating layer 3, a plurality of heat-insulating mechanisms 4 are arranged on the inner wall of the second heat-insulating layer 3, every four heat-insulating mechanisms 4 are a group of annular embedded on the inner wall of the second heat-insulating layer 3, the groups of heat-insulating mechanisms 4 are linearly arranged along the inner wall of the second heat-insulating layer 3 at equal intervals, a 3PE anticorrosive layer 5 wraps the outer surface of the second heat-insulating layer 3, and the 3PE anticorrosive layer 5 comprises an innermost epoxy paint layer 501, a middle polymer adhesive 502 and a polyolefin protective layer 503.
The heat insulation mechanism 4 comprises a guide pipe 401, the outer surface of the guide pipe 401 is bonded with the inner wall of a first heat insulation layer 2 through an adhesive, the other side of the outer surface of the guide pipe 401 is bonded with the first heat insulation layer 2 through an adhesive, the number of the guide pipe 401 is not less than four, the guide pipe 401 surrounds the outer surface of the first heat insulation layer 2 in an annular mode, a water pipe 402 is arranged between every two guide pipes 401, cooling liquid is filled in the water pipe 402, the volume of the cooling liquid is one fourth of the volume of the water pipe 402, two ends of the water pipe 402 penetrate through the guide pipe 401 and extend into the inner cavity of the guide pipe 401, a support 403 is fixedly arranged in the guide pipe 401, a condensation rod 404 is fixedly arranged in the water pipe 402, and two ends of. Both ends of the water pipe 402 are provided with gaskets 6, and the gaskets 6 are provided at positions where the condensation bars 404 penetrate the water pipe 402. The two ends of the condensation rod 404 extending to the inner cavity of the conduit 401 are provided with protruded heat conducting fins 7. Increase condensation bar 404 and pipe 401 inner space's area of contact through setting up conducting strip 7 to the heat conduction effect of condensation bar 404 has been increased, thereby makes the effect of heat transfer faster, avoids the too fast of local high temperature's optical cable temperature rising, causes the influence to optic fibre 1's communication.
In this embodiment, the cross section of the bracket 403 is W-shaped, two bending points of the bracket 403 are fixed to the inner wall of the conduit 401 on the side away from the optical fiber, and two protruding foot-shaped structures of the bracket 403 have elasticity. In this embodiment, be W through the cross-section with the support and describe, when the optical cable received external pressure, elastic deformation can be sent to pipe 401, when pipe 401 received elastic deformation, elastic deformation can take place with the inner wall contact of pipe 401 to two stabilizer blades of support 403, thereby make two stabilizer blades of support 403 draw close each other, when the stabilizer blade of two supports 403 draws close each other, can consume partly external pressure, decompose partly both sides to pipe 401 with the pressure of vertical action optic fibre 1, thereby reached the purpose of optical cable resistance to compression. In addition, the provision of gaskets at both ends of the water pipe 402 also prevents condensate from entering the interior of the conduit 401. In addition, by coating the waterproof coating on the first heat insulation layer 2, the contact with the optical fiber when the cooling liquid leaks can be avoided. Through the setting of conducting strip 7, can increase the heat transfer effect of condensation pole 404 for inside the optical cable, heat transfer's speed to dispel the heat to local high temperature's part fast.
When the temperature-reducing condensation water pipe is used, when the local temperature of the optical cable is high, the heat insulation mechanism 4 inside the optical cable can accelerate evaporation of condensate inside the water pipe 402 due to temperature rise, when condensate is accelerated to evaporate, a large amount of heat can be absorbed, after the condensate steam bath condensation rod 404 is contacted, the condensation rod 404 can absorb heat on the condensate, the temperature of condensate steam is reduced, the two ends of the condensation rod 404 extend to the inside of the guide pipe 401, the heat conducting fins 7 are arranged inside the guide pipe 401, heat of the area with high temperature is transferred to the inside of the guide pipe 401, and the heat is dissipated through the guide pipe 401, and the purpose of reducing the temperature is achieved.
To sum up, the utility model discloses a set up thermal-insulated mechanism 4 for the optical cable carries out the during operation under high temperature environment, and outside high temperature influence can not be received to inside sensing optical fiber 1, can guarantee 1 normal transmission signal of optic fibre, reduces the emergence of light loss under the high temperature environment.
Claims (6)
1. A sensing cable comprising an optical fiber (1), characterized in that: the outer surface of the optical fiber (1) is wrapped with a first heat insulation layer (2), a second heat insulation layer (3) is sleeved on the periphery of the first heat insulation layer (2), a gap is reserved between the first heat insulation layer (2) and the second heat insulation layer (3), a plurality of heat insulation mechanisms (4) are arranged on the inner wall of the second heat insulation layer (3), every four heat insulation mechanisms (4) are annularly embedded on the inner wall of the second heat insulation layer (3) in a group, the plurality of groups of heat insulation mechanisms (4) are linearly arranged along the inner wall of the second heat insulation layer (3) at equal intervals, and a 3PE (polyethylene) anticorrosive layer (5) is wrapped on the outer surface of the second heat insulation layer (3;
the heat insulation mechanism (4) comprises a guide pipe (401), the outer surface of the guide pipe (401) is bonded with the inner wall of the first heat insulation layer (2) through an adhesive, the other side of the outer surface of the conduit (401) is bonded with the first heat-insulating layer (2) through an adhesive, the number of the guide pipes (401) is not less than four, the guide pipes annularly surround the outer surface of the first heat-insulating layer (2), a water pipe (402) is arranged between every two guide pipes (401), the interior of the water pipe (402) is filled with cooling liquid, the volume of the cooling liquid accounts for one fourth of the volume of the water pipe (402), both ends of the water pipe (402) penetrate through the catheter (401) and extend into the inner cavity of the catheter (401), a bracket (403) is fixedly arranged inside the conduit (401), a condensation rod (404) is fixedly arranged inside the water pipe (402), the two ends of the condensation rod (404) respectively penetrate through the water pipe (402) and extend into the inner cavity of the guide pipe (401).
2. A sensing cable according to claim 1, wherein: the 3PE anticorrosive layer (5) comprises an innermost epoxy paint layer (501), a middle polymer adhesive (502) and a polyolefin protective layer (503) on the outer surface.
3. A sensing cable according to claim 1, wherein: the first heat insulation layer (2) and the second heat insulation layer (3) are made of foamed polyurethane, and waterproof paint is coated on the outer surface of the first heat insulation layer (2).
4. A sensing cable according to claim 1, wherein: both ends of water pipe (402) all are provided with sealed pad (6), sealed pad (6) set up in condensation lever (404) run through water pipe (402) position department.
5. A sensing cable according to claim 1, wherein: the two ends of the condensation rod (404) extending to the inner cavity of the conduit (401) are provided with protruded heat conducting fins (7).
6. A sensing cable according to claim 1, wherein: the cross section of the support (403) is W-shaped, two bending points of the support (403) are fixed with one side of the inner wall of the conduit (401) far away from the optical fiber, and two protruding foot-shaped structures of the support (403) have elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307237.2U CN210270284U (en) | 2019-03-11 | 2019-03-11 | Sensing optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307237.2U CN210270284U (en) | 2019-03-11 | 2019-03-11 | Sensing optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210270284U true CN210270284U (en) | 2020-04-07 |
Family
ID=70011450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920307237.2U Expired - Fee Related CN210270284U (en) | 2019-03-11 | 2019-03-11 | Sensing optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210270284U (en) |
-
2019
- 2019-03-11 CN CN201920307237.2U patent/CN210270284U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200424 Address after: 6f-a8, Guiyang New World Digital Plaza, No. 20, Zhonghua South Road, Nanming District, Guiyang City, Guizhou Province 550002 Patentee after: Guiyang ditweiye Technology Co., Ltd Address before: No.30, Huangtan 1st team, Huangan village committee, Chongyang Town, Wujiang District, Shaoguan City, Guangdong Province Patentee before: Huang Jiajin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210311 |