CN212060663U - 8-shaped self-supporting bulletproof optical cable - Google Patents
8-shaped self-supporting bulletproof optical cable Download PDFInfo
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- CN212060663U CN212060663U CN202020677029.4U CN202020677029U CN212060663U CN 212060663 U CN212060663 U CN 212060663U CN 202020677029 U CN202020677029 U CN 202020677029U CN 212060663 U CN212060663 U CN 212060663U
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Abstract
The application relates to a 8 style of calligraphy self-supporting shellproof optical cable belongs to optical cable technical field, include: the optical cable comprises an optical cable main body, wherein the optical cable main body sequentially comprises a cable core unit, a twisted high polymer material filling layer, a metal armor layer, an inner sheath layer, an aramid yarn armor layer and an outer sheath layer from inside to outside; the suspension wire comprises a sheath layer and a plurality of steel strands, and the plurality of steel strands are positioned in the sheath layer and are completely wrapped by the sheath layer; connecting portion, connecting portion connect be in between optical cable main part and the suspension wire, connecting portion, oversheath layer and restrictive coating are the integrated into one piece structure of moulding plastics. The twisted high polymer material filling layer in the 8-shaped self-supporting bulletproof optical cable plays a role in buffering external impact, and prevents external force from impacting a cable core unit. The aramid yarn armor layer can effectively resist penetration of bullets by adopting a weaving process, and has a bulletproof function. Therefore, the 8-shaped self-supporting bulletproof optical cable is high in structural strength, impact-resistant, ageing-resistant, bulletproof and improved in service life.
Description
Technical Field
The application relates to the technical field of optical cables, in particular to an 8-shaped self-supporting bulletproof optical cable.
Background
The optical cable is formed by combining a plurality of optical fibers, and compared with a copper medium, the optical fiber serving as a new generation transmission medium is greatly improved in safety, reliability and network performance. In addition, the bandwidth of optical fiber transmission greatly exceeds that of copper cables, and the maximum connection distance supported by the optical fiber transmission reaches more than two kilometers, so that the optical fiber transmission is a necessary choice for building a larger-scale network. The optical fiber cable has the advantages of good electromagnetic interference resistance, strong confidentiality, high speed, large transmission capacity and the like, so that the use and communication development of the optical fiber is inevitable.
At present, optical cables are mainly laid in overhead, direct-buried and pipeline modes. The most common laying mode of the optical cable in the field is aerial laying, and the optical cable can meet various environments such as mountainous areas, flat ground and the like and occupies less resources, so that the optical cable has the advantages of strong environmental adaptability and better economical efficiency.
Compared with the optical cable laid in pipelines and direct burial, the optical cable laid in an overhead manner is hung in the open air, the phenomenon that the optical cable is damaged due to huge impact is frequently rare due to the fact that the safety prevention and control capacity of the optical cable is weak, and the phenomenon that the optical cable is damaged due to the large impact causes optical fiber signal interruption, so that huge economic loss is caused.
In addition, the optical fiber cable plays an important role in information network construction as a main carrier for network signal transmission. Lawless persons use the defect of weak safety prevention and control capability of the optical cable as a key attack target to achieve the purpose of cutting off communication, so that the safety protection of information infrastructure is urgently needed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a 8 style of calligraphy self-supporting shellproof optical cable to solve the optical cable safety prevention and control ability that lays in the air among the prior art weak, cause the not enough of optical signal interruption after the optical cable receives huge impact.
The application provides a 8 style of calligraphy self-supporting shellproof optical cable includes:
the optical cable comprises an optical cable main body, wherein the optical cable main body sequentially comprises a cable core unit, a twisted high polymer material filling layer, a metal armor layer, an inner sheath layer, an aramid yarn armor layer and an outer sheath layer from inside to outside, the twisted high polymer material filling layer is wound on the periphery of the cable core unit, the metal armor layer is tightly attached to the periphery of the twisted high polymer material filling layer, the inner sheath layer is sleeved on the periphery of the metal armor layer, the aramid yarn armor layer is woven on the periphery of the inner sheath layer, and the outer sheath layer is sleeved on the periphery of the aramid yarn armor layer;
the suspension wire comprises a sheath layer and a plurality of steel strands, and the plurality of steel strands are positioned in the sheath layer and are completely wrapped by the sheath layer;
connecting portion, connecting portion connect be in between optical cable main part and the suspension wire, connecting portion, oversheath layer and restrictive coating are the integrated into one piece structure of moulding plastics.
In some embodiments, the cable core unit comprises an optical unit and a stainless steel loose tube sleeved on the periphery of the optical unit, and a filling fiber paste is arranged between the optical unit and the stainless steel loose tube.
In some embodiments, the light unit includes a number of optical fibers, a bundle tube, and a water blocking compound filled between the optical fibers and the bundle tube.
In some embodiments, the twisted polymer material filling layer is a plurality of foamed filling ropes, and the plurality of foamed filling ropes are wound around the outer periphery of the cable core unit.
In some embodiments, the metal armor layer is a steel or aluminum tape wrapped around the outer circumference of the stranded polymer material filler layer.
In some embodiments, the inner sheath layer, the outer sheath layer, the sheath layer, and the connecting portion are all injection molded from a flame retardant material.
In some embodiments, the twisted polymer material filling layer is wound with at least two binding yarns at the periphery thereof, and the binding yarns are used for fastening the twisted polymer material filling layer on the cable core unit.
In some embodiments, a water-blocking cable paste or a water-blocking tape is wrapped between the stranded polymer material filling layer and the metal armor layer, and the water-blocking cable paste or the water-blocking tape is used for isolating the metal armor layer from water seepage into the stranded polymer material filling layer.
In some embodiments, a first adhesive layer is disposed between the metallic armor layer and the inner jacket layer, and the metallic armor layer and the inner jacket layer are adhered together by the first adhesive layer.
In some embodiments, a water blocking yarn layer is filled between the inner sheath layer and the aramid yarn armor layer, the aramid yarn armor layer is wrapped outside the inner sheath layer through crossing, a second bonding layer is arranged between the aramid yarn armor layer and the outer sheath layer, and the aramid yarn armor layer and the outer sheath layer are adhered together through the second bonding layer.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a 8 style of calligraphy self-supporting shellproof optical cable, this 8 style of calligraphy self-supporting shellproof optical cable is equipped with optical cable main part and acting as go-between, and this acting as go-between is used for bearing the weight of optical cable main part self, and the optical cable of being convenient for hangs in the open air, and this optical cable main part includes cable core unit, transposition macromolecular material filling layer, metal armor, inner sheath layer, aramid yarn armor and oversheath layer from inside to outside in proper order. Wherein the twisted polymer material filling layer plays a role in buffering external impact and preventing external force from impacting the cable core unit. The metal armor layer has the advantages of high structural strength, high hardness, compression resistance and impact resistance, and can effectively protect the cable core unit. The aramid yarn armor layer can effectively resist penetration of bullets by adopting a weaving process, and has a bulletproof function. Therefore, the 8-shaped self-supporting bulletproof optical cable is high in structural strength, impact-resistant, ageing-resistant, bulletproof and improved in service life.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Reference numerals: the steel wire sheath comprises, by weight, 1-a sheath layer, 2-a steel strand, 3-a connecting part, 4-an outer sheath layer, 5-an aramid yarn armor layer, 6-an inner sheath layer, 7-a metal armor layer, 8-a stranded polymer material filling layer, 9-a light unit, 10-a stainless steel loose tube and 11-a filled fiber paste.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an 8 style of calligraphy self-supporting shellproof optical cable, and it can solve among the prior art that the optical cable safety prevention and control ability of aerial laying is less than, causes the problem of optical signal interruption after the optical cable receives huge impact.
As shown in fig. 1, the present application provides an 8-shaped self-supporting bulletproof optical cable, including:
the optical cable main part, this optical cable main part include cable core unit, transposition macromolecular material filling layer 8, metal armor 7, inner sheath layer 6, aramid yarn armor 5 and oversheath layer 4 from inside to outside in proper order. The twisted polymer material filling layer 8 is wound on the periphery of the cable core unit, and the twisted polymer material filling layer 8 plays a role in buffering external impact and prevents external force from impacting the cable core unit; the metal armor layer 7 is tightly attached to the periphery of the twisted polymer material filling layer 8, the metal armor layer 7 has the advantages of high structural strength, high hardness, compression resistance and impact resistance, and cable core units can be effectively protected. The periphery at metal armor 7 is established to inner sheath layer 6 cover, and sheath layer 6's periphery is woven including aramid yarn armor 5, and the periphery at aramid yarn armor 5 is established to oversheath layer 4 cover.
The suspension wire comprises a sheath layer 1 and a plurality of steel strands 2, wherein the plurality of steel strands 2 are located in the sheath layer 1 and are completely wrapped by the sheath layer 1.
Connecting portion 3, this connecting portion 3 are connected between optical cable main part and suspension wire, and connecting portion 3, oversheath layer 4 and restrictive coating 1 are the integrated into one piece structure of moulding plastics. The suspension wire and the connecting part 3 are used for bearing the self gravity of the optical cable main body, so that the optical cable can be hung in the open air conveniently.
Principle of operation
The embodiment of the application provides an 8 style of calligraphy self-supporting shellproof optical cable, this 8 style of calligraphy self-supporting shellproof optical cable is equipped with optical cable main part and acting as go-between, and this acting as go-between is used for bearing the weight of the self of optical cable main part, and the optical cable of being convenient for hangs in the open air. The optical cable main body sequentially comprises a cable core unit, a twisted high polymer material filling layer 8, a metal armor layer 7, an inner sheath layer 6, an aramid yarn armor layer 5 and an outer sheath layer 4 from inside to outside. Wherein the twisted polymer material filling layer is positioned between the cable core unit and the metal armor layer 7 to play a role in buffering external impact, so that the cable core unit is prevented from being impacted by external force.
In some alternative embodiments, as shown in fig. 1, the present application provides an 8-shaped self-supporting bulletproof optical cable, a cable core unit of the 8-shaped self-supporting bulletproof optical cable includes an optical unit 9 and a stainless steel loose tube 10 that is sleeved on the periphery of the optical unit 9, and a filling fiber paste 11 is disposed between the optical unit 9 and the stainless steel loose tube 10. The stainless steel loose tube 10 and the filling fiber paste 11 are coated on the periphery of the light unit 9, so that the light unit 9 is protected, and the light unit 9 is prevented from being damaged under the action of external force.
In some optional embodiments, the present application provides an 8-shaped self-supporting bulletproof optical cable, wherein an optical unit of the 8-shaped self-supporting bulletproof optical cable comprises a plurality of optical fibers, a bundle tube and a water-blocking compound filled between the optical fibers and the bundle tube. The water-blocking compound is water-blocking petroleum jelly, so that the influence of water vapor on the optical fiber can be effectively avoided.
In some optional embodiments, as shown in fig. 1, the present application provides an 8-shaped self-supporting bulletproof optical cable, where the twisted polymer material filling layer 8 of the 8-shaped self-supporting bulletproof optical cable is a foamed filling rope, and the foamed filling rope is a PE foamed material. The foaming filling ropes are provided with a plurality of foaming filling ropes which are wound on the periphery of the cable core unit, the foaming filling ropes are light in weight and have good buffering effect, and impact resistance protection can be provided for the cable core unit. At least two binding yarns are wound around the outer periphery of the twisted polymer material filling layer 8, and the binding yarns are used for fastening the twisted polymer material filling layer 8 to the outer periphery of the cable core unit.
In some alternative embodiments, as shown in fig. 1, the present application provides an 8-shaped self-supporting bulletproof optical cable, where the metal armor layer 7 of the 8-shaped self-supporting bulletproof optical cable is a steel tape or an aluminum tape, the steel tape or the aluminum tape is tightly wound around the outer periphery of the stranded polymer material filling layer 8, and the steel tape is preferably a stainless steel tape. The steel belt or the aluminum belt has high mechanical strength, is corrosion-resistant, increases the lateral pressure resistance of the optical cable main body, and can prevent gnawing of rodents.
In some optional embodiments, as shown in fig. 1, the present application provides an 8-shaped self-supporting bulletproof optical cable, in which the inner sheath layer 6, the outer sheath layer 4, the sheath layer 1, and the connection portion 3 of the 8-shaped self-supporting bulletproof optical cable are injection molded by using a flame retardant material, and the outer sheath layer 4, the sheath layer 1, and the connection portion 3 are of a one-step extrusion injection molded structure.
In some optional embodiments, as shown in fig. 1, an 8-shaped self-supporting bulletproof optical cable is provided in the embodiments of the present application, a water-blocking cable paste or a water-blocking tape is wrapped between the stranded polymer material filling layer 8 and the metal armor layer 7 of the 8-shaped self-supporting bulletproof optical cable, and the water-blocking cable paste or the water-blocking tape is used for isolating the metal armor layer 7 from water seepage into the stranded polymer material filling layer 8, so as to improve the waterproof performance of the optical cable body.
In some optional embodiments, the present application provides an 8-shaped self-supporting bulletproof optical cable, a first adhesive layer is provided between the metal armor layer 7 and the inner sheath layer 6 of the 8-shaped self-supporting bulletproof optical cable, and the metal armor layer 7 and the inner sheath layer 6 are adhered together through the first adhesive layer.
Fill the yarn layer that blocks water between inner sheath layer 6 and aramid yarn armor 5, aramid yarn armor 5 is through alternately wrapping the outside of inner sheath layer 6 around the package. A second bonding layer is arranged between the aramid yarn armor layer 5 and the outer sheath layer 4, and the aramid yarn armor layer 5 and the outer sheath layer 4 are adhered together through the second bonding layer.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An 8 style of calligraphy self-supporting shellproof optical cable which characterized in that includes:
the optical cable comprises an optical cable main body, wherein the optical cable main body sequentially comprises a cable core unit, a twisted high polymer material filling layer (8), a metal armor layer (7), an inner sheath layer (6), an aramid yarn armor layer (5) and an outer sheath layer (4) from inside to outside, the twisted high polymer material filling layer (8) is wound on the periphery of the cable core unit, the metal armor layer (7) is tightly attached to the periphery of the twisted high polymer material filling layer (8), the inner sheath layer (6) is sleeved on the periphery of the metal armor layer (7), the aramid yarn armor layer (5) is woven on the periphery of the inner sheath layer (6), and the outer sheath layer (4) is sleeved on the periphery of the aramid yarn armor layer (5);
the suspension wire comprises a sheath layer (1) and a plurality of steel strands (2), wherein the plurality of steel strands (2) are positioned in the sheath layer (1) and are completely wrapped by the sheath layer (1);
connecting portion (3), connecting portion (3) are connected between optical cable main part and the suspension wire, connecting portion (3), oversheath layer (4) and restrictive coating (1) are the integrated into one piece structure of moulding plastics.
2. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
the cable core unit comprises an optical unit (9) and a stainless steel loose tube (10) sleeved on the periphery of the optical unit (9), and a filling fiber paste (11) is arranged between the optical unit (9) and the stainless steel loose tube (10).
3. An 8-shaped self-supporting ballistic cable according to claim 2, wherein:
the optical unit (9) comprises a plurality of optical fibers, a bundle tube and a water-blocking compound filled between the optical fibers and the bundle tube.
4. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
the stranded polymer material filling layer (8) is a plurality of foaming filling ropes, and the plurality of foaming filling ropes are wound on the periphery of the cable core unit.
5. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
the metal armor layer (7) is a steel belt or an aluminum belt, and the steel belt or the aluminum belt is tightly wound on the periphery of the stranded polymer material filling layer (8).
6. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
the inner sheath layer (6), the outer sheath layer (4), the sheath layer (1) and the connecting portion (3) are all made of flame retardant materials and are of injection molding structures.
7. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
the periphery of the stranded high polymer material filling layer (8) is at least wound with two binding yarns, and the binding yarns are used for fastening the stranded high polymer material filling layer (8) on the cable core unit.
8. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
and water-blocking cable paste or a water-blocking tape is wrapped between the stranded high polymer material filling layer (8) and the metal armor layer (7), and the water-blocking cable paste or the water-blocking tape is used for isolating the metal armor layer (7) from water seepage into the stranded high polymer material filling layer (8).
9. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
a first bonding layer is arranged between the metal armor layer (7) and the inner sheath layer (6), and the metal armor layer (7) and the inner sheath layer (6) are adhered together through the first bonding layer.
10. The 8-shaped self-supporting ballistic resistant optical cable according to claim 1 wherein:
fill the yarn layer that blocks water between inner sheath layer (6) and aramid yarn armor (5), aramid yarn armor (5) are through alternately wrapping the outside of inner sheath layer (6) around the package, be equipped with the second tie coat between aramid yarn armor (5) and oversheath layer (4), aramid yarn armor (5) pass through with oversheath layer (4) the adhesion of second tie coat is in the same place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020677029.4U CN212060663U (en) | 2020-04-28 | 2020-04-28 | 8-shaped self-supporting bulletproof optical cable |
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| CN202020677029.4U CN212060663U (en) | 2020-04-28 | 2020-04-28 | 8-shaped self-supporting bulletproof optical cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635107A (en) * | 2020-12-18 | 2021-04-09 | 中天科技海缆股份有限公司 | Mooring cable and method for manufacturing same |
| CN114019639A (en) * | 2022-01-06 | 2022-02-08 | 长飞光纤光缆股份有限公司 | Bulletproof optical cable and preparation method thereof |
| CN114967011A (en) * | 2022-05-24 | 2022-08-30 | 宏安集团有限公司 | Self-supporting optical cable |
-
2020
- 2020-04-28 CN CN202020677029.4U patent/CN212060663U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635107A (en) * | 2020-12-18 | 2021-04-09 | 中天科技海缆股份有限公司 | Mooring cable and method for manufacturing same |
| CN114019639A (en) * | 2022-01-06 | 2022-02-08 | 长飞光纤光缆股份有限公司 | Bulletproof optical cable and preparation method thereof |
| CN114019639B (en) * | 2022-01-06 | 2022-04-22 | 长飞光纤光缆股份有限公司 | Bulletproof optical cable and preparation method thereof |
| CN114967011A (en) * | 2022-05-24 | 2022-08-30 | 宏安集团有限公司 | Self-supporting optical cable |
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