CN214375438U - High-temperature-resistant prefabricated end circular leading-in optical cable - Google Patents
High-temperature-resistant prefabricated end circular leading-in optical cable Download PDFInfo
- Publication number
- CN214375438U CN214375438U CN202120113510.5U CN202120113510U CN214375438U CN 214375438 U CN214375438 U CN 214375438U CN 202120113510 U CN202120113510 U CN 202120113510U CN 214375438 U CN214375438 U CN 214375438U
- Authority
- CN
- China
- Prior art keywords
- layer
- high temperature
- temperature resistant
- protective layer
- resistant
- 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
Images
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses a high temperature resistant prefabricated end circular leading-in optical cable, which comprises an insulating layer and a filling member, wherein the insulating layer is wrapped outside an optical fiber and consists of a plurality of layers of zigzag structural layers; a filler member is disposed in the space between the optical fibers. The utility model provides a circular introducing optical cable of high temperature resistant prefabricated one-tenth end, adopt the setting that waterproof layer and high temperature resistant layer overlap were laid, make optic fibre can not receive the interference of outside temperature and environment, can normally work, and be equipped with the filling member between optic fibre and the reinforcement, the filling member has certain heat conductivity, can absorb the temperature that optic fibre during operation produced, make optic fibre can be rapid cooling under high temperature, avoid producing the conflagration hidden danger because the high temperature, the protective layer adopts cladding type design, make the protective layer leakproofness better, difficult damage, also can ensure optic fibre not damaged in adverse circumstances.
Description
Technical Field
The utility model relates to an optical fiber cable technical field, especially a high temperature resistant prefabricated end circular leading in optical cable.
Background
In various fires, the optical cable can rapidly expand and spread the fire, damage valuable electronic instruments and equipment, influence the normal operation of a communication line and even paralysis, further expand the loss of the disaster, and easily generate sparks due to overhigh temperature of the optical cable so as to generate the fire, so the high-temperature-resistant, fire-resistant and flame-retardant optical cable is more important and has practical economic and social significance.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or the problems existing in the prior art of prefabricated terminating round drop cables.
Therefore, the utility model discloses the problem that will solve lies in how to solve the fire hazard problem that the too high temperature of optic fibre causes.
In order to solve the technical problem, the utility model provides a following technical scheme: a high-temperature-resistant prefabricated end circular leading-in optical cable comprises an insulating layer, a plurality of layers of zigzag structure layers and a plurality of insulating layers, wherein the insulating layer wraps the outside of an optical fiber;
and a filler member disposed at a gap between the optical fibers.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the insulating layer comprises a protective layer, a waterproof layer and a high-temperature resistant layer, wherein the waterproof layer and the high-temperature resistant layer are distributed in a staggered mode.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the waterproof layer comprises a first waterproof layer and a second waterproof layer, the high-temperature-resistant layer comprises a first high-temperature-resistant layer and a second high-temperature-resistant layer, and the first waterproof layer and the second waterproof layer are arranged outside the first high-temperature-resistant layer and the second high-temperature-resistant layer respectively.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the insulating layer comprises the protective layer, the first waterproof layer, the first high temperature resistant layer, the second waterproof layer and the second high temperature resistant layer from outside to inside in sequence.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: and a bonding layer is arranged among the waterproof layer, the high-temperature resistant layer and the protective layer and is made of polyamide resin.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the thickness of the protective layer is 1.5 times of that of the high-temperature-resistant layer, and the thickness of the waterproof layer is 0.5 times of that of the high-temperature-resistant layer.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the protective layer is made of TPU materials and comprises a metal hose and a metal braid.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: and reinforcing parts are arranged in the middle parts of the optical fibers and are made of fiber reinforced plastics and/or aramid fibers.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the filling piece is arranged between the optical fiber and the reinforcing piece and is filled by mixing PLA material and dry type water blocking yarn.
As a high temperature resistant prefabricate into an optimal scheme of holding circular leading in optical cable, wherein: the protective layer comprises a first protective layer and a second protective layer, the first protective layer forms a coating from the upper surface to the lower surface of the second protective layer, and the thickness of the first protective layer is 0.5 times that of the second protective layer.
The utility model discloses beneficial effect does: the utility model provides a circular introducing optical cable of high temperature resistant prefabricated one-tenth end, adopt the setting that waterproof layer and high temperature resistant layer overlap were laid, make optic fibre can not receive the interference of outside temperature and environment, can normally work, and be equipped with the filling member between optic fibre and the reinforcement, the filling member has certain heat conductivity, can absorb the temperature that optic fibre during operation produced, make optic fibre can be rapid cooling under high temperature, avoid producing the conflagration hidden danger because the high temperature, the protective layer adopts cladding type design, make the protective layer leakproofness better, difficult damage, also can ensure optic fibre not damaged in adverse circumstances.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the overall structure of a high temperature resistant pre-terminated round drop cable.
Fig. 2 is a schematic cross-sectional view of the internal structure of a high temperature resistant pre-terminated round drop cable.
Fig. 3 is a schematic diagram of a protective layer structure of a high temperature resistant pre-terminated round drop cable.
Fig. 4 is a schematic view of a hierarchical sawtooth structure within an insulation layer of a pre-terminated round drop cable that is resistant to high temperatures.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 2 and 4, for the first embodiment of the present invention, the embodiment provides a high temperature resistant prefabricated terminated circular drop cable, which includes an insulation layer 100, an optical fiber 200 and a filler 300, wherein the insulation layer 100, wrapped around the optical fiber 200, is composed of a plurality of layers of zigzag structure;
and a filling member 300 disposed at a gap between the optical fibers 200.
Through the insulating layer 100 that the multilayer set up, can make the intensity of optical cable higher, high temperature resistance is better, and then make the life extension of optic fibre, the structure of cockscomb structure can increase the area of contact between layer and the layer, thereby increase frictional force, make the connection between the level inseparabler firm, because optic fibre generates heat easily and scalds in the course of the work, the event is equipped with the filler piece 300 that has the cooling property between optic fibre and, make optic fibre 200 difficult rupture, avoid optic fibre 200 high temperature simultaneously, cause the hidden danger.
Example 2
Referring to fig. 1 to 4, in order to implement the second embodiment of the present invention, it is different from the first embodiment: the insulating layer 100 comprises a protective layer 101, a waterproof layer 102 and a high-temperature resistant layer 103, the waterproof layer 102 and the high-temperature resistant layer 103 are distributed in a staggered mode, the waterproof layer 102 comprises a first waterproof layer 102a and a second waterproof layer 102b, the high-temperature resistant layer 103 comprises a first high-temperature resistant layer 103a and a second high-temperature resistant layer 103b, and the first waterproof layer 102a and the second waterproof layer 102b are arranged outside the first high-temperature resistant layer 103a and the second high-temperature resistant layer 103b respectively.
The insulation layer is formed by adopting a multilayer staggered-distribution stacking mode, as shown in fig. 1, the protection layer is arranged on the outermost layer of the whole insulation layer and used for protecting internal elements and is sequentially stacked, the first waterproof layer 102a is arranged inside the protection layer 101, the first high-temperature-resistant layer 103a is arranged inside the first waterproof layer 102a, the second high-temperature-resistant layer 103b is arranged inside the first high-temperature-resistant layer 103a, the second waterproof layer 102b is arranged inside the first waterproof layer 102a, the waterproof layer 102 is made of sodium acrylate, cyclohexane, hydroxyl acrylate ring and glyceryl dimethacrylate, the high-temperature-resistant layer 103 has very strong heat conductivity and heat dissipation performance and can rapidly guide and dissipate heat of the optical fiber 200 to the outside, the high-temperature-resistant layer 103 contains graphite and silica gel, has certain flexibility, and is well attached to the waterproof layer 102, so that the best heat conduction and dissipation purposes are achieved, and the shock absorption and shock absorption are also achieved at the same time, The flame-retardant fireproof cable has the advantages that the flame-retardant fireproof performance meets the requirements of U.L94V-0 and meets the environmental protection certification of SGS of European Union.
First waterproof layer 102a is the first waterproof protection of optical cable, can play preliminary water-proof effects, protective layer 101 and optic fibre 200 are arranged in to first high temperature resistant layer 103a, as heat transfer's intermediary, second waterproof layer 102b is as the waterproof protection of second way, on this basis, can guarantee that optic fibre 200 is no matter be in submarine or moist department, can both not soak water, thereby guarantee the normal work of optic fibre, second high temperature resistant layer 103b arranges innermost in, be used for absorbing the heat and transmitting away, thereby keep the temperature of optic fibre, prevent that the high temperature from producing harm.
Furthermore, an adhesive layer 104 is arranged between the waterproof layer 102, the high temperature resistant layer 103 and the protective layer 101, the adhesive layer 104 is made of polyamide resin, is a condensation polymerization type high molecular compound with a CONH structure in molecules, is usually obtained by condensation polymerization of dibasic acid and diamine, and has good gluing capacity, so that a multilayer structure can be tightly combined, and the best effect is achieved.
Specifically, the thickness of the protective layer 101 is 1.5 times of the thickness of the high temperature resistant layer 103, the waterproof layer 102 is 0.5 times of the thickness of the high temperature resistant layer 103, the protective layer 101 is arranged on the outermost layer of the optical cable, so the protective layer is thickest and can be used for basic protection, the waterproof layer 102 only needs to have waterproof strength, so the protective layer does not need too large thickness, the high temperature resistant layer 103 needs to absorb and transfer heat, in order to reduce the temperature of the heat at the high temperature resistant layer 103, the thickness of the high temperature resistant layer 103 is disposed between the protective layer 101 and the waterproof layer 102, so that the heat can be dispersed as much as possible inside the high temperature resistant layer 103, further reducing the temperature and the transmission temperature, the filling member 300 is disposed between the optical fiber 200 and the strength member 400, is filled with a mixture of PLA material and dry type water blocking yarn, further, the heat of the optical fiber 200 is first transferred to the filler 300, then transferred from the filler 300 to the high temperature resistant layer 103, and finally transferred to the outside through the high temperature resistant layer 103.
Specifically, since the optical fiber 300 is small and easy to be broken, the reinforcing member 400 is arranged in the middle of the optical fibers 200, and the reinforcing member 400 is made of fiber reinforced plastic or aramid fiber, so that the optical fiber 400 is not easy to be broken and damaged, and the service life is prolonged.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A high temperature resistant prefabricated end circular leading-in optical cable is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the insulating layer (100) wraps the outside of the optical fiber (200) and is composed of a plurality of layers of sawtooth-shaped structural layers;
a filler (300) disposed at a gap between the optical fibers (200).
2. The high temperature resistant pre-terminated round drop cable of claim 1, wherein: the insulating layer (100) comprises a protective layer (101), a waterproof layer (102) and a high-temperature-resistant layer (103), wherein the waterproof layer (102) and the high-temperature-resistant layer (103) are distributed in a staggered mode.
3. The high temperature resistant pre-terminated round drop cable of claim 2, wherein: the waterproof layer (102) comprises a first waterproof layer (102a) and a second waterproof layer (102b), the high-temperature-resistant layer (103) comprises a first high-temperature-resistant layer (103a) and a second high-temperature-resistant layer (103b), and the first waterproof layer (102a) and the second waterproof layer (102b) are respectively arranged outside the first high-temperature-resistant layer (103a) and the second high-temperature-resistant layer (103 b).
4. The high temperature resistant pre-terminated round drop cable of claim 3, wherein: the insulating layer (100) sequentially comprises the protective layer (101), the first waterproof layer (102a), the first high-temperature-resistant layer (103a), the second waterproof layer (102b) and the second high-temperature-resistant layer (103b) from outside to inside.
5. The high temperature resistant pre-terminated round drop cable of claim 4, wherein: an adhesive layer (104) is arranged among the waterproof layer (102), the high-temperature resistant layer (103) and the protective layer (101), and the adhesive layer (104) is made of polyamide resin.
6. The high temperature resistant pre-finished end round drop cable of any one of claims 2 to 5, wherein: the thickness of the protective layer (101) is 1.5 times of that of the high-temperature resistant layer (103), and the thickness of the waterproof layer (102) is 0.5 times of that of the high-temperature resistant layer (103).
7. The high temperature resistant pre-terminated round drop cable of claim 6, wherein: the protective layer (101) is made of TPU materials and comprises a metal hose and a metal braid.
8. The high temperature resistant pre-terminated round drop cable of claim 7, wherein: and the middle parts of the optical fibers (200) are provided with reinforcing pieces (400), and the reinforcing pieces (400) are made of fiber reinforced plastics and/or aramid fibers.
9. The high temperature resistant pre-terminated round drop cable of claim 8, wherein: the filling piece (300) is arranged between the optical fiber (200) and the reinforcing piece (400) and is filled by mixing PLA material and dry water-blocking yarn.
10. The high temperature resistant pre-finished end round drop cable of any one of claims 7 to 9, wherein: the protective layer (101) comprises a first protective layer (101a) and a second protective layer (101b), the first protective layer (101a) forms a coating from the upper surface to the lower surface of the second protective layer (101b), and the thickness of the first protective layer (101a) is 0.5 times that of the second protective layer (101 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120113510.5U CN214375438U (en) | 2021-01-15 | 2021-01-15 | High-temperature-resistant prefabricated end circular leading-in optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120113510.5U CN214375438U (en) | 2021-01-15 | 2021-01-15 | High-temperature-resistant prefabricated end circular leading-in optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214375438U true CN214375438U (en) | 2021-10-08 |
Family
ID=77957425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120113510.5U Active CN214375438U (en) | 2021-01-15 | 2021-01-15 | High-temperature-resistant prefabricated end circular leading-in optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214375438U (en) |
-
2021
- 2021-01-15 CN CN202120113510.5U patent/CN214375438U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10725257B2 (en) | Fiber optic cable | |
| US4818060A (en) | Optical fiber building cables | |
| US9784935B2 (en) | Coextruded jacket for flame retardant fiber optic cables | |
| CN106125216B (en) | High-grade flame-retardant fire-resistant optical cable | |
| US11448841B2 (en) | Fire resistant cable having two jackets separated by porous insulating layer | |
| CN211125081U (en) | Armored photoelectric composite cable | |
| KR100423232B1 (en) | A riser rated optical fiber cable | |
| CN214375438U (en) | High-temperature-resistant prefabricated end circular leading-in optical cable | |
| CN220065223U (en) | Anti-extrusion anti-torsion photoelectric integrated fire-proof cable | |
| CN217467290U (en) | Anti-cracking flame-retardant optical cable | |
| CN101144878A (en) | Indoor/outdoor non-metal optical cable for optical fiber jumper | |
| CN211479743U (en) | Flame-retardant cable | |
| CN108594382B (en) | Fireproof bending-resistant shielding type flexible optical cable | |
| CN210489270U (en) | Armored double-sheath photoelectric composite cable | |
| CN108594387B (en) | Flame-retardant optical cable | |
| CN214375439U (en) | Radiation-proof prefabricated end circular leading-in optical cable | |
| CN111708134A (en) | Communication optical cable | |
| CN211014735U (en) | Optical fiber with high safety performance | |
| CN215067460U (en) | Fire-resistant optical cable | |
| CN220367449U (en) | Butterfly-shaped optical cable | |
| CN212365572U (en) | High-flame-retardant waterproof termite-proof power cable for rail transit | |
| CN219642597U (en) | Photoelectric hybrid cable | |
| CN220064455U (en) | Fire control is speedily carried out rescue work with high fire-retardant optical cable | |
| CN210803822U (en) | Flame-retardant optical cable | |
| CN214796860U (en) | High-temperature-resistant composite fireproof medium-voltage cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |