CN215867266U - Light compression-resistant optical cable - Google Patents
Light compression-resistant optical cable Download PDFInfo
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- CN215867266U CN215867266U CN202122416127.XU CN202122416127U CN215867266U CN 215867266 U CN215867266 U CN 215867266U CN 202122416127 U CN202122416127 U CN 202122416127U CN 215867266 U CN215867266 U CN 215867266U
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Abstract
The utility model discloses a light compression-resistant optical cable which comprises a foamed polyethylene outer sheath, a stainless steel strip armor layer, a fireproof flame-retardant layer, an inner liner, a compression-resistant layer and an optical fiber unit, wherein the foamed polyethylene outer sheath, the stainless steel strip armor layer, the fireproof flame-retardant layer, the inner liner, the compression-resistant layer and the optical fiber unit are sequentially arranged from outside to inside, the optical fiber unit comprises an optical fiber and a loose tube sleeved outside the optical fiber, a gap between the optical fiber and the loose tube is filled with fiber paste, an insect-expelling waterproof layer is arranged outside the loose tube, the compression-resistant layer is arranged outside the insect-expelling waterproof layer, a plurality of compression-resistant pieces are arranged between the compression-resistant layer and the inner liner, and a plurality of compression-resistant strips are arranged outside the inner liner along the circumferential direction. According to the light compression-resistant optical cable provided by the utility model, the compression resistance of the optical cable is improved by arranging the compression-resistant layer, the compression-resistant piece and the compression-resistant strip, the light weight is realized, the comprehensive performances of fire resistance, water resistance, insect repelling, corrosion resistance and the like are good, the use environment of the optical cable is expanded, and the practicability is high.
Description
Technical Field
The utility model belongs to the technical field of communication optical cables, and particularly relates to a light compression-resistant optical cable.
Background
The GYXTW type is a structure conventionally adopted by an optical cable, a plurality of optical fibers are generally fixed by using fiber paste, the fiber paste containing the optical fibers is sleeved outside by using a loose tube, water-blocking cable paste is coated outside the loose tube, then a common steel-plastic composite belt is used for longitudinal wrapping to play a role in protection, a polyethylene sheath with cylindrical steel wire reinforcements is required to be wrapped outside a steel belt, and the two steel wire reinforcements are respectively positioned on two sides of the steel belt. However, the optical cable with the structure has larger weight and outer diameter, is not corrosion-resistant, and still has larger ascending space in pressure resistance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model aims to provide a light compression-resistant optical cable.
In order to achieve the purpose and achieve the technical effect, the utility model adopts the technical scheme that:
the utility model provides a light resistance to compression optical cable, includes by outer to interior foaming polyethylene oversheath, stainless steel strip armor, fire prevention fire-retardant layer, inner liner, resistance to compression layer and the optical fiber unit that sets gradually, the optical fiber unit includes that optic fibre and cover locate the outside pine sleeve pipe of optic fibre, packs fine cream in the clearance between optic fibre and the pine sleeve pipe, and pine sleeve pipe outside sets up the expelling parasite waterproof layer, and the expelling parasite waterproof layer outside is the resistance to compression layer, sets up a plurality of resistance to compression spare between resistance to compression layer and the inner liner, and the inner liner outside sets up a plurality of resistance to compression strip along the circumferencial direction.
Furthermore, the pressure-resistant piece comprises two rhombus FRP and two crescent FRP, the two rhombus FRP are arranged in an up-down symmetrical mode, the two crescent FRP are arranged in a left-right symmetrical mode, and the two rhombus FRP and the two crescent FRP are evenly arranged along the circumferential direction of the outer side of the pressure-resistant layer.
Furthermore, the distance between the two rhombus FRP and the distance between the two crescent FRP and the lining layer are respectively controlled to be 0.13-0.17 mm.
Furthermore, the anti layering is equipped with five altogether, and the anti layering is half circular arc structure.
Furthermore, a water-blocking grease layer with the thickness of 0.1-0.4mm is sprayed on the outer part of the lining layer.
Further, the thickness of the outer sheath of the foamed polyethylene is controlled to be 2-4 mm.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a light compression-resistant optical cable which comprises a foamed polyethylene outer sheath, a stainless steel strip armor layer, a fireproof flame-retardant layer, an inner liner, a compression-resistant layer and an optical fiber unit, wherein the foamed polyethylene outer sheath, the stainless steel strip armor layer, the fireproof flame-retardant layer, the inner liner, the compression-resistant layer and the optical fiber unit are sequentially arranged from outside to inside, the optical fiber unit comprises an optical fiber and a loose tube sleeved outside the optical fiber, a gap between the optical fiber and the loose tube is filled with fiber paste, an insect-expelling waterproof layer is arranged outside the loose tube, the compression-resistant layer is arranged outside the insect-expelling waterproof layer, a plurality of compression-resistant pieces are arranged between the compression-resistant layer and the inner liner, and a plurality of compression-resistant strips are arranged outside the inner liner along the circumferential direction. According to the light compression-resistant optical cable provided by the utility model, the compression resistance of the optical cable is improved by arranging the compression-resistant layer, the compression-resistant piece and the compression-resistant strip, the light weight is realized, the comprehensive performances of fire resistance, water resistance, insect repelling, corrosion resistance and the like are good, the use environment of the optical cable is expanded, and the practicability is high.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby clearly defining the protection scope of the present invention.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
As shown in figure 1, the light compression-resistant optical cable comprises a foamed polyethylene outer sheath 8, a stainless steel strip armor layer 7, a fireproof flame-retardant layer 6, an inner liner layer 5, a pressure-resistant layer 4 and an optical fiber unit which are sequentially arranged from outside to inside, wherein the optical fiber unit comprises an optical fiber 1 and a loose tube 3 sleeved outside the optical fiber 1, a gap between the optical fiber 1 and the loose tube 3 is filled with a fiber paste 2, the optical fiber 1 is provided with a plurality of optical fibers 1, the optical fiber 1 is externally coated with an acrylate layer with the thickness of 0.1-0.3mm to improve corrosion resistance, the loose tube 3 is externally provided with an insect-repellent waterproof layer, the pressure-resistant layer 4 is arranged outside the insect-repellent waterproof layer, two rhombic FRP 9 and two crescent FRP 10 are arranged between the pressure-resistant layer 4 and the inner liner layer 5, the two rhombic FRP 9 are symmetrically arranged up and down, the two crescent FRP 10 are symmetrically arranged left and right, the two rhombic FRP 9 and the crescent FRP 10 are uniformly arranged along the circumferential direction, and the light weight is achieved, the compressive property is good, and corrosion resistance is good, and liner 5 outside sets up five resistance to compression strips 11 that are the half-circular arc structure along the circumferencial direction.
The distances between the two rhombus FRP 9 and the two crescent FRP 10 and the lining layer 5 are respectively controlled to be 0.13-0.17mm, so that the two rhombus FRP and the two crescent FRP are not exposed.
A water-blocking ointment layer with the thickness of 0.1-0.4mm is sprayed on the outer portion of the inner liner layer 5, so that the water impermeability is guaranteed, the using amount of ointment is reduced, and the weight of the optical cable can be reduced.
Compared with the common steel-plastic composite belt, the stainless steel belt armor layer 7 is harder in texture, strong in corrosion resistance and better in side pressure resistance.
The thickness of the foamed polyethylene outer sheath 8 is controlled to be 2-4mm, the foamed polyethylene outer sheath 8 is made of foamed polyethylene, the dielectric constant is small, the specific gravity is light, and compared with the prior art that the polyethylene is used for preparing the sheath, the self weight of the optical cable can be reduced, and the using amount of sheath materials can be reduced.
The parts of the utility model not specifically described can be realized by adopting the prior art, and the details are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a light resistance to compression optical cable, its characterized in that includes by outer to interior foaming polyethylene oversheath, stainless steel band armor, the fire prevention flame retardant coating, inner liner, resistance to compression layer and the optical fiber unit that sets gradually, the optical fiber unit includes that optic fibre and cover locate the outside pine sleeve pipe of optic fibre, packs fine cream in the clearance between optic fibre and the pine sleeve pipe, and the pine sleeve pipe outside sets up the expelling parasite waterproof layer, and the expelling parasite waterproof layer outside is the resistance to compression layer, sets up a plurality of resistance to compression spare between resistance to compression layer and the inner liner, and the inner liner outside sets up a plurality of resistance to compression strip along the circumferencial direction.
2. The light pressure-resistant optical cable according to claim 1, wherein the pressure-resistant member comprises two diamond-shaped FRPs and two crescent-shaped FRPs, the two diamond-shaped FRPs are arranged in an up-down symmetrical manner, the two crescent-shaped FRPs are arranged in a left-right symmetrical manner, and the two diamond-shaped FRPs and the two crescent-shaped FRPs are uniformly arranged along the outer circumferential direction of the pressure-resistant layer.
3. The light pressure-resistant optical cable according to claim 2, wherein the distances between the two diamond-shaped FRPs and the two crescent-shaped FRPs and the lining layer are respectively controlled to be 0.13-0.17 mm.
4. The light compression-resistant optical cable according to claim 1, wherein the number of the compression-resistant strips is five, and the compression-resistant strips are in a semi-arc structure.
5. The light compression-resistant optical cable according to claim 1, wherein a water-blocking grease layer is sprayed on the outside of the inner liner.
6. The light compression-resistant optical cable as claimed in claim 1, wherein the thickness of the outer sheath of foamed polyethylene is controlled to be 2-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122416127.XU CN215867266U (en) | 2021-10-08 | 2021-10-08 | Light compression-resistant optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122416127.XU CN215867266U (en) | 2021-10-08 | 2021-10-08 | Light compression-resistant optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215867266U true CN215867266U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122416127.XU Active CN215867266U (en) | 2021-10-08 | 2021-10-08 | Light compression-resistant optical cable |
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| CN (1) | CN215867266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779421A (en) * | 2022-06-22 | 2022-07-22 | 长飞光纤光缆股份有限公司 | Thermal shock resistant high-voltage resistant optical cable |
-
2021
- 2021-10-08 CN CN202122416127.XU patent/CN215867266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114779421A (en) * | 2022-06-22 | 2022-07-22 | 长飞光纤光缆股份有限公司 | Thermal shock resistant high-voltage resistant optical cable |
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