CN207123633U - A kind of sensing optic cable - Google Patents
A kind of sensing optic cable Download PDFInfo
- Publication number
- CN207123633U CN207123633U CN201720644482.3U CN201720644482U CN207123633U CN 207123633 U CN207123633 U CN 207123633U CN 201720644482 U CN201720644482 U CN 201720644482U CN 207123633 U CN207123633 U CN 207123633U
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- Prior art keywords
- optic cable
- fibre
- fibre core
- sensing optic
- metal coating
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The utility model discloses a kind of sensing optic cable, including fibre core, the fibre core is located in the metal coating shell of tubulose, fibre core Surface coating fibre coating, and fire resistant layer is filled between the fibre coating and metal coating shell.The purpose of this utility model is to provide a kind of sensing optic cable, to solve the problems, such as that the intensity of sensing optic cable has much room for improvement with fire protecting performance in the prior art, realizes the purpose of the intensity and fire protecting performance that improve sensing optic cable.
Description
Technical field
It the utility model is related to optical cable field, and in particular to a kind of sensing optic cable.
Background technology
In any cable configuration, fibre core is all the transmission medium of its optical signal.It is known, fibre core to temperature, stress compared with
For sensitivity, specific apparatus can be according to the change of optical signal come the change of sense temperature, pressure, stress, sound wave, and this is known as light
Fine sensing technology.Fibre Optical Sensor has many excellent performances, such as：The performance disturbed with anti-electromagnetism and atomic radiation；Absolutely
Edge, inductionless electric property；Water-fast, corrosion resistant chemical property etc..Existing sensing fibre core is all coated on shape in Loose tube
Into cable configuration, because existing Loose tube is formed by plastic productions such as PBT, PP or PE, therefore existing sensing optic cable
Its intensity and fire prevention degree all have much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of sensing optic cable, with solve in the prior art the intensity of sensing optic cable with
The problem of fire protecting performance has much room for improvement, realize the purpose of the intensity and fire protecting performance that improve sensing optic cable.
The utility model is achieved through the following technical solutions：
A kind of sensing optic cable, including fibre core, the fibre core are located in the metal coating shell of tubulose, fibre core Surface coating optical fiber
Coating, fire resistant layer is filled between the fibre coating and metal coating shell.
The problem of intensity and fire protecting performance for sensing optic cable in the prior art have much room for improvement, the utility model proposes one
Kind sensing optic cable, includes the metal coating shell of tubulose, fibre core is located in metal coating shell, first with the high spy of metal strength
Property, improve the bulk strength of sensing optic cable and pressure-resistant performance.Secondly, metal is the good conductor of heat, therefore can also pass through metal
External heat is quickly transferred at internal fibre core by containment vessel, so as to improve sensing capabilities of the whole optical cable to temperature, is improved and is passed
Feel the temperature-sensitive ability of fibre core.In addition, fibre coating, fire resistant layer are additionally provided with inside metal coating shell.Wherein optical fiber applies
Layer is coated on fibre core surface, and coating material uses existing optical fiber coating material, fibre core is directly protected.Optical fiber
Fire resistant layer is arranged between the outer surface of coating and the inner surface of metal coating shell, uses existing fire-proof high-temperature resistant material
Material, to improve the fire protecting performance of whole sensing optic cable and resistance to elevated temperatures, so that the utility model can adapt to
More severe use environment, there is the wider scope of application.
Preferably, the metal coating shell is made by stainless steel.Meet that intensity is high, hardness is good, heat conductivility is good
Meanwhile also improve service life with excellent antiseptic power.
Preferably, the fire resistant layer is polyimide material.Polyimides is optimal organic high of combination property
One of molecular material, high temperature resistant is up to more than 400 DEG C, long-term use of temperature range -200~300 DEG C, no sharp melting point, height insulation
Performance.Therefore use polyimide material as the fire resistant layer in the utility model, enable to fibre core 300 DEG C with
Inside used, while ensure that good TEMP ability, compared to traditional structure using plastics Loose tube, greatly
Widened the scope of application.
Preferably, the fibre coating is polyimides or polytetrafluoroethylene (PTFE).Fibre coating is as unique straight in this structure
The structure that contact protection is carried out with fibre core is connect, can using polyimides or polytetrafluoroethylene (PTFE) with excellent resistance to elevated temperatures
Ensure use of the fibre core in hot environment.If in addition, using polytetrafluoroethylmaterial material as coating, its friction can also be utilized
The low characteristic of coefficient, improve sensing accuracy of the fibre core to mechanical external force.
Preferably, it is interference fitted between the metal coating shell and fire resistant layer.Be so that metal coating shell with
Very close to each other between fire resistant layer, so that both are in close contact, the various external force suffered by metal coating shell can
Reach in time and be accurately inwardly transferred at fibre core, so as to improve sensing accuracy of the fibre core to mechanicals efforts.
Preferably, external diameter≤0.9mm of the metal coating shell.So that the diameter of whole optical cable is small, in light weight, can be directly
For optical fiber sensing technology, while also allow for this optical cable carrying out deep processing again, for other purposes.
The utility model compared with prior art, has the following advantages and advantages：
1st, a kind of sensing optic cable of the utility model, using the high characteristic of metal strength, the bulk strength of sensing optic cable is improved
With pressure-resistant performance.External heat is quickly transferred at internal fibre core by metal coating shell, so as to improve whole optical cable to temperature
The sensing capabilities of degree, improve the temperature-sensitive ability of sensing fibre core.
2nd, a kind of sensing optic cable of the utility model, fibre coating are coated on fibre core surface, and fibre core is directly protected.
Fire resistant layer is arranged between the outer surface of fibre coating and the inner surface of metal coating shell, to improve whole sense light
The fire protecting performance and resistance to elevated temperatures of cable, so that the utility model can adapt to more severe use environment, have more
The extensive scope of application.
3rd, a kind of sensing optic cable of the utility model, using polyimide material as the utility model in fire resistant
Layer, enables to fibre core to carry out TEMP within 300 DEG C, compared to traditional structure using plastics Loose tube, greatly
Widened the scope of application.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the structural representation of the utility model specific embodiment.
Mark and corresponding parts title in accompanying drawing：
1- fibre cores, 2- metal coating shells, 3- fibre coatings, 4- fire resistant layers.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
A kind of sensing optic cable as shown in Figure 1, including fibre core 1, the fibre core 1 are located in the metal coating shell 2 of tubulose, fine
The Surface coating fibre coating 3 of core 1, fire resistant layer 4 is filled between the fibre coating 3 and metal coating shell 2.The metal
Containment vessel 2 is made by 304 stainless steels.The fire resistant layer 4 is polyimide material.The fibre coating 3 is poly-
Acid imide or polytetrafluoroethylene (PTFE).It is interference fitted between the metal coating shell 2 and fire resistant layer 4.The metal coating shell 2
External diameter be 0.9mm.Fibre core 1 is located in metal coating shell 2 in the utility model, using the high characteristic of metal strength, improves and passes
The bulk strength of sensing optical cable and pressure-resistant performance.External heat can also be quickly transferred to internal fibre core 1 by metal coating shell 2
Place, so as to improve sensing capabilities of the whole optical cable to temperature, improve the temperature-sensitive ability of sensing fibre core 1.Wherein fibre coating 3 coats
On the surface of fibre core 1, fibre core 1 is directly protected.Between the outer surface of fibre coating 3 and the inner surface of metal coating shell 2
Fire resistant layer 4 is arranged to, to improve the fire protecting performance of whole sensing optic cable and resistance to elevated temperatures, so that this practicality
It is new to can adapt to more severe use environment, there is the wider scope of application.Metal coating shell 2 by stainless steel make and
Into.While meeting that intensity is high, hardness is good, heat conductivility is good, also with excellent antiseptic power, service life is improved.Resistance to height
Warm fireprotection layer 4 and fibre coating 3 are polyimide material.So that fibre core 1 carries out TEMP within 300 DEG C, compared to
Traditional structure using plastics Loose tube, has greatly widened the scope of application.Metal coating shell 2 and fire resistant layer 4 it
Between it is very close to each other, both are in close contact, and various external force suffered by metal coating shell 2 can in time and accurately inwardly transmission
To fibre core 1, so as to improve sensing accuracy of the fibre core 1 to mechanicals efforts.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (4)
1. a kind of sensing optic cable, including fibre core (1), it is characterised in that the fibre core (1) is located at the metal coating shell (2) of tubulose
It is interior, fibre core (1) Surface coating fibre coating (3), high temperature resistant is filled between the fibre coating (3) and metal coating shell (2) and is prevented
Fire bed (4)；The fire resistant layer (4) is polyimide material；The metal coating shell (2) and fire resistant layer (4)
Between be interference fitted.
2. a kind of sensing optic cable according to claim 1, it is characterised in that the metal coating shell (2) is by stainless steel
Form.
A kind of 3. sensing optic cable according to claim 1, it is characterised in that the fibre coating (3) be polyimides or
Polytetrafluoroethylene (PTFE).
A kind of 4. sensing optic cable according to claim 1, it is characterised in that the external diameter of the metal coating shell (2)≤
0.9mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720644482.3U CN207123633U (en) | 2017-06-05 | 2017-06-05 | A kind of sensing optic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720644482.3U CN207123633U (en) | 2017-06-05 | 2017-06-05 | A kind of sensing optic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123633U true CN207123633U (en) | 2018-03-20 |
Family
ID=61615709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720644482.3U Active CN207123633U (en) | 2017-06-05 | 2017-06-05 | A kind of sensing optic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207123633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716272A (en) * | 2019-11-28 | 2020-01-21 | 浙江师范大学 | DTS system sensing optical cable structure applied to high-temperature detection |
-
2017
- 2017-06-05 CN CN201720644482.3U patent/CN207123633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716272A (en) * | 2019-11-28 | 2020-01-21 | 浙江师范大学 | DTS system sensing optical cable structure applied to high-temperature detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of sensing optical cable Effective date of registration: 20210428 Granted publication date: 20180320 Pledgee: Deyang rural commercial bank Limited by Share Ltd. Pledgor: DEYANG COLLECTIVE RIVER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021510000032 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |