CN204101777U - The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously - Google Patents
The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously Download PDFInfo
- Publication number
- CN204101777U CN204101777U CN201420510013.9U CN201420510013U CN204101777U CN 204101777 U CN204101777 U CN 204101777U CN 201420510013 U CN201420510013 U CN 201420510013U CN 204101777 U CN204101777 U CN 204101777U
- Authority
- CN
- China
- Prior art keywords
- fiber
- strain
- type band
- platypelloid type
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 71
- 239000011248 coating agent Substances 0.000 claims abstract description 34
- 238000000576 coating method Methods 0.000 claims abstract description 34
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 3
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 claims description 3
- 238000000016 photochemical curing Methods 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Abstract
The utility model discloses the platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously, this optical cable comprises temperature measurement fiber-optical unit, surveys the sheath composition of strain fiber unit and platypelloid type band shape, the sheath of platypelloid type band shape is closely coated with survey strain fiber unit by temperature measurement fiber-optical unit, and the sheath of platypelloid type band shape is fixed on measurand surface with bonding way or mechanical system.Temperature measurement fiber-optical unit is made up of many armouring twisted wires and the primary coating fiber being in center; Overcome existing round structure sensing cable and measurand sensing contact area is little, difficult fixing, easily displacement, thermometric and survey strains (stress) easily mutual deficiency such as to disturb; Surveying strain fiber unit is tightly packaged fiber.Adopt flat belt-like cable structure, large with measurand sensing contact area, available bonding or mechanical type is fixed on measurand surface, and the tightly packaged fiber in cable for testing temperature, has the function of monitor temperature and strain for surveying strain, with the loose structure primary coating fiber of sheathed wire simultaneously.
Description
Technical field
The utility model relates to sensing optic cable, the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while of particularly relating to a kind of.
Background technology
Distribution type fiber-optic measures sensor-based system on the continuous length of whole piece optical fiber, can provide the change of information measured with fiber length with the continuous function form of distance, and optical fiber is the transfer element that sensing element is also Detection Information simultaneously.
In recent years, distributed fiber-optic sensor technology oneself be widely used in the occasions such as the temperature of the main equipments such as the leakage of oil and gas pipeline, the change of temperature field of big-and-middle-sized transformer and genset and power transmission cable, the vibration of dam bridge structure and deformation, naval vessel and aerospace craft and workpiece and strain detecting, national economy and national defense construction are significant.
In engineering, relatively fragile optical fiber needs to be protected, and optical fiber applies with the pattern of optical cable, and the basic pattern of optical cable is that optical fiber adds operator guards, by the degree of association of optical fiber and operator guards, is mainly divided into locking structure and loose structure two kinds.
Distribution type fiber-optic is measured sensor-based system and is broadly divided into strain (stress) and the large class of temperature two, although both wish that extraneous strain (stress) and temperature are transmitted as soon as possible and be applied on optical fiber, but the strain of optical fiber can cause interference to temperature detection.So, wish that the optical fiber in cable is locking structure when detecting strain (stress), during detected temperatures, then wish that optical fiber is loose structure in cable.
At present, nearly all sensing optic cable profile is all cylindrical, can only be linear contact lay when being fixed on measurand surface, too small contact area not only reduces the transmission capacity of information, also fixedly difficulty is caused to installation, often produce the relative displacement on optical cable and measurand surface, cause measuring position to be departed from, strain measurement error is very large even cannot sense data.
In addition, by sensing optic cable fixed installation with when running, optical cable is needed to have certain physical strength (as tension and resistance to compression etc.).So urgent need one is installed with measurand energy bump contact, strain (stress) and the non-interfering sensing optic cable of temperature detection meets the demands.
Utility model content
For solving the problem, the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while that the utility model providing a kind of.
The technical solution adopted in the utility model is:
The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously, this optical cable comprises temperature measurement fiber-optical unit, surveys the sheath composition of strain fiber unit and platypelloid type band shape, the sheath of described platypelloid type band shape is closely coated with survey strain fiber unit by temperature measurement fiber-optical unit, and the sheath of described platypelloid type band shape is fixed on measurand surface with bonding way or mechanical system.
Described temperature measurement fiber-optical unit is made up of many armouring twisted wires and the primary coating fiber being in center, and described primary coating fiber is arranged in the space at armouring twisted wire center, and the quantity of described sheathed wire is 3-8 root, and described primary coating fiber is at least 1.
The lining material of described primary coating fiber is photocuring acrylic acid ester coating, polyimide coating or metallic coating, the excess fiber length of primary coating fiber in sheathed wire should be determined according to measurand maximum strain amount, excess fiber length >=0.05% when measurand produces maximum strain amount.
Described survey strain fiber unit is tightly packaged fiber, and the proof strength of tightly packaged fiber is 100kpsi or 200kpsi.
The sheath of described platypelloid type band shape is fixed on measurand surface with bonding way, this optical cable comprises the sheath of a temperature measurement fiber-optical unit and two survey strain fiber units and platypelloid type band shape, described temperature measurement fiber-optical unit is in the center of cable, surveys the both sides that strain fiber unit is in cable for two; A plane of the sheath of described platypelloid type band shape adopts bonding agent to be bonded in the surface of measurand, and the bearing position of cable is the centre of cable xsect, i.e. the both sides up and down of temperature measurement fiber-optical unit armouring twisted wire.
The sheath of described platypelloid type band shape is mechanically fixed on measurand surface, this optical cable comprises the sheath of two temperature measurement fiber-optical units and two survey strain fiber units and platypelloid type band shape, two temperature measurement fiber-optical units are in the both sides of cable, survey strain fiber unit for two and mediate; The sheath of described band shape can be fixed on the surface of measurand with fixture, load retaining part in the xsect both sides of cable, i.e. the both sides up and down of temperature measurement fiber-optical unit armouring twisted wire.
The beneficial effects of the utility model: overcome existing round structure sensing cable and measurand sensing contact area is little, difficult fixing, easily displacement, thermometric and survey strains (stress) easily mutual deficiency such as to disturb; Adopt flat belt-like cable structure, large with measurand sensing contact area, available bonding or mechanical type is fixed on measurand surface, tightly packaged fiber in cable, for surveying strain (stress), being used for testing temperature with the loose structure primary coating fiber of sheathed wire, has the function of monitor temperature and strain simultaneously.
Accompanying drawing explanation
Fig. 1 is the platypelloid type band-shaped sensing optical cable structural representation that bonding way is fixed.
Fig. 2 is the platypelloid type band-shaped sensing optical cable structural representation that mechanical system is fixed.
Wherein: 1, primary coating fiber, 2, tightly packaged fiber, 3, armouring twisted wire, 4, armor space, 5, the sheath of platypelloid type band shape.
Embodiment
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment, only for explaining the utility model, does not form the restriction to protection domain of the present utility model.
The quantity of the cable profile of carrying out according to the utility model and size, internal element and any adjustment of concrete distributing position are all in the utility model claims.
With reference to figure 1, the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while of the present utility model, this optical cable comprises temperature measurement fiber-optical unit, the sheath 5 surveying strain fiber unit and platypelloid type band shape forms, the sheath 5 of platypelloid type band shape is closely coated with survey strain fiber unit by temperature measurement fiber-optical unit, the sheath 5 of platypelloid type band shape is fixed on measurand surface with bonding way, this optical cable comprises the sheath 5 of a temperature measurement fiber-optical unit and two survey strain fiber units and platypelloid type band shape, temperature measurement fiber-optical unit is in the center of cable, survey the both sides that strain fiber unit is in cable for two, a plane of the sheath 5 of platypelloid type band shape adopts bonding agent to be bonded in the surface of measurand, and the bearing position of cable is the centre of cable xsect, i.e. the both sides up and down of temperature measurement fiber-optical unit armouring twisted wire.
Above-mentioned temperature measurement fiber-optical unit is made up of many armouring twisted wires 3 and the primary coating fiber 1 being in center, primary coating fiber 1 is arranged in the space at armouring twisted wire 3 center, the quantity of sheathed wire is 3-8 root (being generally 6), its line diameter is larger, and physical strength is larger more at most with quantity, primary coating fiber is at least 1 (Fig. 1 shows 2), armor space 4 is larger, and the quantity of the primary coating fiber 1 that can hold is more.According to the operating environment requirements of cable, armouring twisted wire 3 material can select the metal materials such as high-tensile steel wires or other suitable nonmetallic materials.
The nominal outside diameter of primary coating fiber 1 is 0.2-0.3mm, and the surface of multifiber should be painted to distinguish line sequence; According to the scope of measuring tempeature, the lining material of primary coating fiber 1 is photocuring acrylic acid ester coating, polyimide coating or metallic coating, its attribute can be multimode optical fiber, single-mode fiber or the special fiber through other technologies process, the excess fiber length of primary coating fiber 1 in sheathed wire should be determined according to measurand maximum strain amount, excess fiber length >=0.05% when measurand produces maximum strain amount.
Surveying strain fiber unit is tightly packaged fiber 2, and the external diameter of tightly packaged fiber 2 is generally 0.5-1.5mm, and according to the scope of monitor strain (stress), the proof strength of tightly packaged fiber is 100kpsi(1% strain and 1 second) or 200kpsi(2% strain and 1 second).
Concrete size and dimension and the material of the sheath 5 of platypelloid type band shape are determined according to the actual conditions of measurand, the thermoplastics such as usual employing high density polyethylene extrude and form, and the spacing of temperature measurement fiber-optical unit and survey strain fiber unit is determined according to the form on measurand surface.
Embodiment 2
With reference to figure 2, the sheath 5 of platypelloid type band shape is mechanically fixed on measurand surface, this optical cable comprises the both sides that sheath 5, two temperature measurement fiber-optical units that two temperature measurement fiber-optical units and two survey strain fiber units and platypelloid type band shape are in cable, surveys strain fiber units for two and mediates; Banded sheath can be fixed on the surface of measurand with fixture, load retaining part in the xsect both sides of cable, i.e. the both sides up and down of temperature measurement fiber-optical unit armouring twisted wire.
Above-mentioned temperature measurement fiber-optical unit is made up of many armouring twisted wires and the primary coating fiber being in center, and primary coating fiber 1 is arranged in the space at armouring twisted wire 3 center, and the quantity of sheathed wire is 6, and primary coating fiber is at least 2.All the other structures are with embodiment 1.
Technical problem to be solved in the utility model: one is increase sensing optic cable surface and the contact area of measurand plane, improves the transmission sensitivity of tested distributed intelligence; Two is temperature measuring unit strain (stress) unit Bian loose structure and locking structure respectively with surveying, mutual interference during isolation detection thus improve the accuracy of detection; Three is that this sensing optic cable can be installed by rational method, is in operation and is not subjected to displacement, and ensures the repeatability detected.
The utility model overcomes existing round structure sensing cable and measurand sensing contact area is little, difficult fixing, easily displacement, thermometric and survey strains (stress) easily mutual deficiency such as to disturb.Adopt flat belt-like cable structure, large with measurand sensing contact area, available bonding or mechanical system is fixed in measurand, tightly packaged fiber in cable, for surveying strain (stress), being used for testing temperature with the loose structure primary coating fiber of sheathed wire, has the function of monitor temperature and strain simultaneously.
Claims (6)
1. the platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously, it is characterized in that: this optical cable comprises temperature measurement fiber-optical unit, surveys the sheath composition of strain fiber unit and platypelloid type band shape, the sheath of described platypelloid type band shape is closely coated with survey strain fiber unit by temperature measurement fiber-optical unit, and the sheath of described platypelloid type band shape is fixed on measurand surface with bonding way or mechanical system.
2. the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while according to claim 1, it is characterized in that: described temperature measurement fiber-optical unit is made up of many armouring twisted wires and the primary coating fiber being in center, described primary coating fiber is arranged in the space at armouring twisted wire center, the quantity of described sheathed wire is 3-8 root, and described primary coating fiber is at least 1.
3. the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while according to claim 2, it is characterized in that: the lining material of described primary coating fiber is photocuring acrylic acid ester coating, polyimide coating or metallic coating, the excess fiber length of primary coating fiber in sheathed wire should be determined according to measurand maximum strain amount, excess fiber length >=0.05% when measurand produces maximum strain amount.
4. the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while according to claim 1, is characterized in that: described survey strain fiber unit is tightly packaged fiber, and the proof strength of tightly packaged fiber is 100kpsi or 200kpsi.
5. the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while according to claim 1, it is characterized in that: the sheath of described platypelloid type band shape is fixed on measurand surface with bonding way, this optical cable comprises the sheath of a temperature measurement fiber-optical unit and two survey strain fiber units and platypelloid type band shape, described temperature measurement fiber-optical unit is in the center of cable, surveys the both sides that strain fiber unit is in cable for two; A plane of the sheath of described platypelloid type band shape adopts bonding agent to be bonded in the surface of measurand, and the bearing position of cable is the centre of cable xsect, i.e. the both sides up and down of temperature measurement fiber-optical unit armouring twisted wire.
6. the platypelloid type band-shaped sensing optical cable of monitor temperature and strain while according to claim 1, it is characterized in that: the sheath of described platypelloid type band shape is mechanically fixed on measurand surface, this optical cable comprises the sheath of two temperature measurement fiber-optical units and two survey strain fiber units and platypelloid type band shape, two temperature measurement fiber-optical units are in the both sides of cable, survey strain fiber unit for two and mediate; The sheath of described band shape can be fixed on the surface of measurand with fixture, load retaining part in the xsect both sides of cable, i.e. the both sides up and down of temperature measurement fiber-optical unit armouring twisted wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510013.9U CN204101777U (en) | 2014-09-05 | 2014-09-05 | The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510013.9U CN204101777U (en) | 2014-09-05 | 2014-09-05 | The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204101777U true CN204101777U (en) | 2015-01-14 |
Family
ID=52270194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420510013.9U Active CN204101777U (en) | 2014-09-05 | 2014-09-05 | The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204101777U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199159A (en) * | 2014-09-05 | 2014-12-10 | 四川通光光缆有限公司 | Flat type belt-shaped sensing cable for synchronously monitoring temperature and strain |
| CN105281839A (en) * | 2015-11-20 | 2016-01-27 | 烟台市皓辰光电科技有限公司 | Optical cable fault detection system |
| CN109269533A (en) * | 2018-09-05 | 2019-01-25 | 北京百世通管道科技有限公司 | A kind of Intelligent optical fiber sensor skin and its preparation and application |
-
2014
- 2014-09-05 CN CN201420510013.9U patent/CN204101777U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199159A (en) * | 2014-09-05 | 2014-12-10 | 四川通光光缆有限公司 | Flat type belt-shaped sensing cable for synchronously monitoring temperature and strain |
| CN105281839A (en) * | 2015-11-20 | 2016-01-27 | 烟台市皓辰光电科技有限公司 | Optical cable fault detection system |
| CN105281839B (en) * | 2015-11-20 | 2018-08-24 | 衡水皓辰光电科技有限公司 | Cable's Fault detecting system |
| CN109269533A (en) * | 2018-09-05 | 2019-01-25 | 北京百世通管道科技有限公司 | A kind of Intelligent optical fiber sensor skin and its preparation and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104199159A (en) | Flat type belt-shaped sensing cable for synchronously monitoring temperature and strain | |
| US10170219B2 (en) | Load carrying bundle intended for use in a power cable or a power umbilical | |
| CN103278101B (en) | Based on the integrated strain gauge means of fiber Bragg grating strain sensor | |
| EP2128571B1 (en) | Fiberoptic strain sensor with distributed strain coupling | |
| CN202518951U (en) | Hoisting machine health monitoring system based on fiber bragg grating sensing technology | |
| CN104595727A (en) | Pipeline impact and leakage locating method based on distributed FBG (Fiber Bragg Grating) sensing network | |
| CN107121158B (en) | A kind of internal enclosed cantilever beam fiber-optic grating sensor | |
| US10612947B2 (en) | Distributed pressure, temperature, strain sensing cable using metal wires with slot grooves and optical fibers in the slot grooves | |
| CN204101777U (en) | The platypelloid type band-shaped sensing optical cable of monitor temperature and strain simultaneously | |
| US11209472B2 (en) | Fully distributed magnetic adsorption multi-parameter sensing cable | |
| CN202854380U (en) | Temperature sensing optical cable for distributed temperature measurement | |
| CN103162880A (en) | Prestressed anchor cable stress monitoring device | |
| Ren et al. | Application of fiber Bragg grating based strain sensor in pipeline vortex-induced vibration measurement | |
| CN201488836U (en) | Sensing optical cable for detecting strain and temperature | |
| CN112649069A (en) | Liquid level detection system based on strain optical fiber sensor | |
| CN202720372U (en) | Tight sleeve fiber bragg grating string sensing fiber cable | |
| CN103162876A (en) | Optic fiber monitoring device for shell component stress | |
| US20150323405A1 (en) | A Method for Locally Resolved Pressure Measurement | |
| CN109870780B (en) | A kind of stress response composite cable | |
| CN104678520A (en) | Fire-resistant intelligent micro cable and manufacturing method thereof | |
| CN204461643U (en) | A kind of fiber optic distributed temperature sensor and optical fiber distributed type temp measuring system | |
| CN103134626A (en) | Inhaul cable stress monitoring device | |
| Johny et al. | Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures | |
| CN201348666Y (en) | Distribution-type temperature sensing optical cable | |
| CN102819079A (en) | Tight tube optical fiber grating serial sensing optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 637200 Duofu Park, Xichong County, Nanchong City, Sichuan Province Patentee after: Sichuan Tongguang Cable Co.,Ltd. Address before: 637200 Duofu Park, Xichong County, Nanchong City, Sichuan Province Patentee before: SICHUAN TONGGUANG OPTICAL CABLE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |