CN212379614U - Layer-stranded temperature measurement armored optical cable - Google Patents
Layer-stranded temperature measurement armored optical cable Download PDFInfo
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- CN212379614U CN212379614U CN202020687655.1U CN202020687655U CN212379614U CN 212379614 U CN212379614 U CN 212379614U CN 202020687655 U CN202020687655 U CN 202020687655U CN 212379614 U CN212379614 U CN 212379614U
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Abstract
The utility model discloses a layer stranding temperature measurement armor optical cable, it include centre layer (1), stranding in centre layer (1) outside first stranding layer (2) and stranding in first stranding layer (2) outside second stranding layer (3), centre layer (1) is single stainless steel monofilament (5), first stranding layer (2) include optical unit (4) and many stainless steel monofilament (5), second stranding layer (3) include many stainless steel monofilament (5). The utility model discloses a layer stranded armor temperature measurement optical cable simple structure, the preparation is convenient, need not additionally to increase cost such as equipment, manual work, utilizes current production line, adopts ripe technology to adopt layer stranded structure to strand light unit and stainless steel monofilament, and optic fibre is capacious, light in weight, bending property are good, can effectual reduction in production cost, resources are saved, are favorable to improving enterprise competitiveness.
Description
Technical Field
The utility model relates to an optical cable technical field, in particular to layer stranded temperature measurement armor optical cable.
Background
The optical fiber communication technology has the advantages of high transmission speed, low loss, strong anti-electromagnetic interference capability, high safety and the like, and becomes a support technology of a power grid information communication backbone network. As carriers of optical fiber communication technology, special power optical cables such as optical fiber composite overhead ground wires (OPGW), all-dielectric self-supporting optical cables (ADSS), and the like are widely used.
Optical fiber sensing is a new technology developed in the middle of the 70's 20 th century, and is gradually developed along with the development of optical fiber and optical communication technology. The optical fiber sensing is a sensing technology which uses light as a carrier and optical fiber as a medium to sense and transmit an external signal (to be measured), and comprises two functions of sensing and transmitting the external signal. The external signal changes the physical characteristic parameters of the light wave transmitted in the optical fiber according to the change rule, such as intensity power, wavelength, frequency, phase, polarization state and the like, and modulates the light wave transmitted in the optical fiber. The optical fiber transmits light waves modulated by external signals to the optical detector, and the characteristics of the light can be effectively monitored through special light path construction and signal demodulation technologies: attenuation, phase, wavelength, polarization, mode field distribution and propagation time variation, thereby achieving the purpose of monitoring external triggering events, such as: tension, displacement, damage, vibration, impact, sound wave, temperature, load and the like, and realizes the sensing function of sensing the change of external signals.
Temperature sensing or temperature measurement optical cable among the prior art, its structure and preparation technology are comparatively complicated usually, for example, chinese utility model patent of application No. 201410821007.X discloses an armor temperature sensing optical cable, and it includes cable oversheath, woven metal mesh, aramid fiber, spiral steel band armor and the optic fibre that sets gradually from outside to inside. For each layer of material on the outside of the optical fiber, corresponding equipment is required for processing, for example, the outer sheath of the optical cable needs to be extruded on the outside by an extruder, and thus, the structure and the processing mode are relatively complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned defect among the prior art, provide a layer stranded armor temperature measurement optical cable, its simple structure, production is convenient, does benefit to reduction in production cost.
In order to realize the utility model discloses the purpose, the utility model provides a layer stranded temperature measurement armored optical cable, it include the centre layer, the hank system in the outside first hank system layer of centre layer and hank system in the outside second hank system layer of first hank system layer, the centre layer is single stainless steel monofilament, first hank system layer includes optical unit and many stainless steel monofilaments, the second hank system layer includes many stainless steel monofilaments.
Furthermore, the utility model discloses still provide following subsidiary technical scheme:
the optical unit comprises a stainless steel sleeve, an optical fiber penetrating the stainless steel sleeve and fiber paste filled in the stainless steel sleeve.
The first stranded layer comprises 5 stainless steel monofilaments and one light unit.
The second stranded layer comprises 12 stainless steel monofilaments.
The outer diameters of the stainless steel monofilaments in the central layer, the first stranded layer and the second stranded layer and the stainless steel sleeve are the same.
The outer diameters of the stainless steel monofilaments and the stainless steel sleeve are both 2.5 mm.
The wall thickness of the stainless steel sleeve is 0.2 mm.
The stainless steel monofilament and the stainless steel sleeve are both made of SUS 316L.
Compared with the prior art, the utility model has the advantages of:
1. the layer-stranded armored temperature measurement optical cable has the advantages that the structure is simple, the manufacturing is convenient, the extra cost of equipment, labor and the like is not needed, the existing production line is utilized, the light unit and the stainless steel monofilament are stranded by adopting a layer-stranded structure through a mature process, the optical fiber capacity is large, the weight is light, the bending performance is good, the production cost can be effectively reduced, the resources are saved, and the enterprise competitiveness is favorably improved;
2. the utility model discloses a layer stranded armor temperature measurement optical cable adopts high-quality stainless steel monofilament, can effectual protection light unit. The stainless steel has excellent corrosion resistance, can effectively protect the sensing optical cable from being corroded under the condition of underground wetting, can keep good performance under the conditions of acid and alkali, can prevent damages such as rat bite, white ants and the like by directly adopting the steel wire as an outer layer, and can be directly installed in a buried way without special treatment;
3. the utility model discloses a layer stranding formula armor temperature measurement optical cable center is provided with the stainless steel monofilament as central reinforcement, and inside the optical unit biasing was in the optical cable, on the one hand, the stainless steel monofilament as central reinforcement can the tensile properties of effectual improvement optical cable, and another is sent out one's face, and the optical unit stranding system is the heliciform behind central reinforcement, has great tensile allowance when the optical cable is drawn, can effectually prevent that optic fibre from damaging, splitting because of the pulling force, uses more reliably.
Drawings
Fig. 1 is a cross-sectional view of the layer stranded armored temperature measuring optical cable of the present invention.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.
As shown in fig. 1, the stranded armored temperature measuring optical cable according to the preferred embodiment of the present invention is formed by twisting stainless steel monofilament 5 and optical unit 4, and specifically, it is set to a three-layer structure, including central layer 1 at the center, first stranded layer 2 stranded outside central layer 1, and second stranded layer 3 stranded outside first stranded layer 2.
The central layer 1 is a single stainless steel monofilament 5 which is used as a central tensile element, so that the overall tensile effect of the optical cable can be effectively improved.
The first twisted layer 2 comprises a plurality of stainless steel monofilaments 5 and light units 4, and in the embodiment, the number of the stainless steel monofilaments 5 in the first twisted layer 2 is 5, and the number of the light units 4 is 1. The optical unit 4 includes a stainless steel sleeve 40, an optical fiber 41 inserted into the stainless steel sleeve 40, and a fiber paste 42 filled in the stainless steel sleeve 40. The number of optical fibers 41 may be a plurality, preferably a single mode fiber G652D or a multimode fiber, and the number is preferably 12. The fiber paste 42 is made of fiber paste with good heat conductivity, and both the fiber paste 42 and the stainless steel sleeve 40 have excellent heat conductivity, so that the sensitivity of the optical cable to a heat source can be effectively increased, and the measurement speed and accuracy are improved. The stainless steel sleeve 40 can be used as an optical fiber protection tube to better increase the lateral pressure resistance of the optical cable.
The second stranded layer 3 comprises a plurality of stainless steel filaments 5, in particular, 12 stainless steel filaments 5.
In a preferred embodiment, the outer diameters of the stainless steel monofilament 5 and the stainless steel sleeve 42 used in the optical cable are the same, and are both 2.5mm, and the wall thickness of the stainless steel sleeve 42 is 0.2 mm; meanwhile, the stainless steel monofilament 5 and the stainless steel sleeve 42 are made of the same material and are all under the designation SUS 316L. The stainless steel monofilament 5 and the stainless steel sleeve 42 have the same outer diameter, so that the stranding is not influenced by the thickness of the steel wire, and the stranding is more convenient.
The utility model discloses an during optical cable production, can use solid laser earlier indulge a packet welding technique preparation optical unit 4, then use the cage winch that possesses the complete back-twist function will strand first hank system layer 2 and second hank system layer 3 simultaneously, can reliably guarantee the whole machinery and the electrical property of product, ensured the quality of product, production efficiency is high simultaneously, and the cost is lower.
The utility model discloses a layer stranded armor temperature measurement optical cable possesses following advantage at least:
1. the layer-stranded armored temperature measurement optical cable has the advantages that the structure is simple, the manufacturing is convenient, the extra cost of equipment, labor and the like is not needed, the existing production line is utilized, the light unit and the stainless steel monofilament are stranded by adopting a layer-stranded structure through a mature process, the optical fiber capacity is large, the weight is light, the bending performance is good, the production cost can be effectively reduced, the resources are saved, and the enterprise competitiveness is favorably improved;
2. the utility model discloses a layer stranding armor temperature measurement optical cable adopts high-quality stainless steel monofilament as the armor, can effectual protection light unit. The stainless steel has excellent corrosion resistance, can effectively protect the sensing optical cable from being corroded under the condition of underground wetting, can keep good performance under the conditions of acid and alkali, can prevent damages such as rat bite, white ants and the like by directly adopting the steel wire as an outer layer, and can be directly installed in a buried way without special treatment;
3. the utility model discloses a layer stranding formula armor temperature measurement optical cable center is provided with the stainless steel monofilament as central reinforcement, and inside the optical unit biasing was in the optical cable, on the one hand, the stainless steel monofilament as central reinforcement can the tensile properties of effectual improvement optical cable, and another is sent out one's face, and the optical unit stranding system is the heliciform behind central reinforcement, has great tensile allowance when the optical cable is drawn, can effectually prevent that optic fibre from damaging, splitting because of the pulling force, uses more reliably.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. The utility model provides a layer stranding temperature measurement armoured optical cable which characterized in that: it includes central layer (1), hank in the outside first hank layer (2) of central layer (1) and hank in the outside second hank layer (3) of first hank layer (2), central layer (1) is single stainless steel monofilament (5), first hank layer (2) include optical unit (4) and many stainless steel monofilament (5), second hank layer (3) include many stainless steel monofilament (5).
2. The layer-stranded temperature-measuring armored cable of claim 1, wherein: the optical unit (4) comprises a stainless steel sleeve (40), an optical fiber (41) arranged in the stainless steel sleeve (40) in a penetrating mode and fiber paste (42) filled in the stainless steel sleeve (40).
3. The layer-stranded temperature-measuring armored cable of claim 1, wherein: the first stranded layer (2) comprises 5 stainless steel monofilaments (5) and a light unit (4).
4. The layer-stranded temperature-measuring armored cable of claim 1, wherein: the second stranded layer (3) comprises 12 stainless steel monofilaments (5).
5. The layer-stranded temperature-measuring armored cable of claim 2, wherein: the outer diameters of the stainless steel monofilaments (5) in the central layer (1), the first stranded layer (2) and the second stranded layer (3) and the stainless steel sleeve (40) are the same.
6. The layer-stranded temperature-measuring armored cable of claim 5, wherein: the outer diameters of the stainless steel monofilament (5) and the stainless steel sleeve (40) are both 2.5 mm.
7. The layer-stranded temperature-measuring armored cable of claim 5, wherein: the wall thickness of the stainless steel sleeve (40) is 0.2 mm.
8. The layer-stranded temperature-measuring armored cable of claim 5, wherein: the stainless steel monofilament (5) and the stainless steel sleeve (40) are both made of SUS 316L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687655.1U CN212379614U (en) | 2020-04-29 | 2020-04-29 | Layer-stranded temperature measurement armored optical cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020687655.1U CN212379614U (en) | 2020-04-29 | 2020-04-29 | Layer-stranded temperature measurement armored optical cable |
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| CN212379614U true CN212379614U (en) | 2021-01-19 |
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| CN202020687655.1U Active CN212379614U (en) | 2020-04-29 | 2020-04-29 | Layer-stranded temperature measurement armored optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640930A (en) * | 2021-08-17 | 2021-11-12 | 中国电力科学研究院有限公司 | OPGW optical cable sensing optical fiber optical unit and manufacturing method thereof and optical cable |
-
2020
- 2020-04-29 CN CN202020687655.1U patent/CN212379614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640930A (en) * | 2021-08-17 | 2021-11-12 | 中国电力科学研究院有限公司 | OPGW optical cable sensing optical fiber optical unit and manufacturing method thereof and optical cable |
| CN113640930B (en) * | 2021-08-17 | 2023-10-13 | 中国电力科学研究院有限公司 | OPGW optical cable sensing optical fiber optical unit, manufacturing method thereof and optical cable |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A layer twisted armored optical cable for temperature measurement Effective date of registration: 20220608 Granted publication date: 20210119 Pledgee: Bank of China Limited Suzhou Yangtze River Delta integration Demonstration Zone Branch Pledgor: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Registration number: Y2022980007375 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230511 Granted publication date: 20210119 Pledgee: Bank of China Limited Suzhou Yangtze River Delta integration Demonstration Zone Branch Pledgor: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Registration number: Y2022980007375 |