CN214375439U - Radiation-proof prefabricated end circular leading-in optical cable - Google Patents
Radiation-proof prefabricated end circular leading-in optical cable Download PDFInfo
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- CN214375439U CN214375439U CN202120113523.2U CN202120113523U CN214375439U CN 214375439 U CN214375439 U CN 214375439U CN 202120113523 U CN202120113523 U CN 202120113523U CN 214375439 U CN214375439 U CN 214375439U
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Abstract
The utility model discloses a radiation-proof prefabricated end circular leading-in optical cable, which comprises a protective sleeve, a radiation-proof coating and a filling piece, wherein the protective sleeve is composed of a plurality of layers of zigzag structure layers; the radiation-proof coating is arranged on the surface layer of the optical fiber; the filling piece is made of diallyl phthalate resin, unsaturated polyester resin and glass fiber materials. The utility model provides a circular introducing optical cable of prefabricated one-tenth end of protecting against radiation, wherein the inoxidizing coating is three layer construction, adopts ceramic-like combined material for the inoxidizing coating is fine and close and hard, can effectively improve fire behavior and resistance to pressure, and the optical fiber surface is equipped with the radiation protection coating, and also has the layer of protecting against radiation very much in the protective sheath, consequently makes the radiation protection performance of optical cable improve greatly, and then ensures that the optical cable does not receive the radiation influence, and the guarantee communication is normal, and improves the life of optical cable.
Description
Technical Field
The utility model relates to an optical fiber cable technical field, especially a circular introducing optical cable of prefabricated one-tenth end of protecting against radiation.
Background
At present, although the domestic communication optical cable is convenient to use, the domestic communication optical cable generally does not have good radiation-proof performance. If the optical cable suffers from a certain dose of radiation in the using process, the optical cable is damaged, communication and signal interruption are caused, the communication efficiency is affected, and great harm is caused to social information transmission, so that the radiation protection performance of the optical cable is a problem to be solved urgently.
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 existing radiation-proof prefabricated terminating circular drop cable.
Therefore, the utility model discloses the problem that will solve lies in how to solve the radiation protection problem of cable.
In order to solve the technical problem, the utility model provides a following technical scheme: a radiation-proof prefabricated end circular leading-in optical cable comprises a protective sleeve, a cable body and a cable core, wherein the protective sleeve is composed of a plurality of layers of zigzag structural layers;
the radiation-proof coating is arranged on the surface layer of the optical fiber;
the filling piece is made of diallyl phthalate resin, unsaturated polyester resin and glass fiber materials.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the protective sheath includes radiation protection layer, waterproof layer, flame retardant coating and inoxidizing coating, waterproof layer with the flame retardant coating is crisscross hierarchical distribution.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the waterproof layer comprises a first waterproof layer and a second waterproof layer, the fireproof layer comprises a first fireproof layer and a second fireproof layer, and the first waterproof layer and the second waterproof layer are respectively sleeved on the outer sides of the first fireproof layer and the second fireproof layer.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the protective sheath from interior to exterior includes in proper order the inoxidizing coating the layer of protecting against radiation first waterproof layer first flame retardant coating second waterproof layer with the second flame retardant coating.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: and an adhesive layer is arranged between the radiation-proof layer, the water-resistant layer, the fireproof layer and the protective layer, and the adhesive layer is made of polyamide resin.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the thickness of inoxidizing coating is 1.5~3.5mm, the thickness of protecting against radiation layer is 0.05~0.2mm, the thickness of water-blocking layer is 0.5~0.8mm, the thickness of flame retardant coating is 1.2~2 mm.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the protective layer is made of ceramic composite materials and 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.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the central reinforcing part is arranged in the middle of the optical fibers and is formed by twisting two fiber reinforced composite wires in pairs.
As a preferred scheme of the circular leading in cable of prefabricated one-tenth end of protecting against radiation, wherein: the filling piece is arranged between the optical fiber and the central reinforcing piece and is filled by mixing PLA material and dry type water-blocking yarn.
The utility model discloses beneficial effect does: the utility model provides a circular introducing optical cable of prefabricated one-tenth end of protecting against radiation, wherein the inoxidizing coating is three layer construction, adopts ceramic-like combined material for the inoxidizing coating is fine and close and hard, can effectively improve fire behavior and resistance to pressure, and the optical fiber surface is equipped with the radiation protection coating, and also has the layer of protecting against radiation very much in the protective sheath, consequently makes the radiation protection performance of optical cable improve greatly, and then ensures that the optical cable does not receive the radiation influence, and the guarantee communication is normal, and improves the life of optical cable.
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 radiation-resistant pre-terminated round drop cable.
Fig. 2 is a cross-sectional view of the internal structure of a radiation-resistant pre-terminated round drop cable.
Fig. 3 is a schematic view of the protective covering of a radiation-resistant pre-terminated round drop cable.
Fig. 4 is a schematic view of a hierarchical sawtooth structure within a protective jacket of a radiation-resistant pre-terminated round drop cable.
FIG. 5 is a schematic view of a radiation protective optical fiber and radiation protective coating preformed into a terminated round drop cable.
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 a first embodiment of the present invention, there is provided a radiation-resistant pre-terminated round drop cable comprising a protective sheath 100, a radiation-resistant coating 201, and a filler element 300, wherein,
the protective sleeve 100 is composed of a plurality of zigzag structural layers;
the radiation protection coating 201 is arranged on the surface layer of the optical fiber 200;
the filling member 300 is made of diallyl phthalate resin, unsaturated polyester resin, and glass fiber.
Through the protective sheath 100 that multilayer structure 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 structural layer design of cockscomb structure, can increase the area of contact between the layer, and then make the connection between the level more laminate and firm, in order to prevent that optic fibre 200 from receiving the infiltration of water, the event is equipped with filler 300 in order to reach certain effect of blocking water, make optic fibre 200 can work under the environment of drying, and optic fibre 200 surface scribbles radiation protection coating 201, through the waterborne environmental protection to ferrite wave-absorbing material's formula is reconciled, can absorb electromagnetic wave's special coating, can purify and establish healthy electromagnetic wave space, guarantee optic fibre 200 does not receive electromagnetic wave injury and interference, and then the normal transmission of guarantee communication.
Example 2
Referring to fig. 1 to 5, a second embodiment of the present invention is different from the first embodiment in that: protective casing 100 includes radiation protective layer 101, water resistant layer 102, fire resistant layer 103 and protective layer 104, and water resistant layer 102 and fire resistant layer 103 are in staggered hierarchical distribution.
The insulation layer is formed by adopting a multilayer staggered overlapping mode, as shown in fig. 1, the protective layer 104 is arranged on the outermost layer of the whole protective sleeve 100 and used for protecting internal elements and is sequentially overlapped, the waterproof layer 102 comprises a first waterproof layer 102a and a second waterproof layer 102b, the fireproof layer 103 comprises a first fireproof layer 103a and a second fireproof layer 103b, the waterproof layer 102 is made of sodium acrylate, cyclohexane, hydroxyl acrylate ring and glycerol dimethacrylate, the fireproof layer 103 can generate an oxide hard shell after combustion, so that the flame retardant purpose is achieved, the optical fiber 200 is protected from being influenced by fire, heat is transmitted to the inside of the optical cable during combustion, and loss is reduced.
The protective sleeve 100 sequentially comprises a protective layer 104, an anti-radiation layer 101, a first waterproof layer 102a, a first fireproof layer 103a, a second waterproof layer 102b and a second fireproof layer 103b from inside to outside.
The protective layer 104 is made of ceramic composite materials, and can be gradually vitrified in a high-temperature and combustion process to form a compact and hard ceramic shell oxygen-insulating layer, so that the transmission of high temperature to the inside is reduced, and the high-temperature resistance and the pressure resistance of the optical cable are enhanced.
Furthermore, a bonding layer 105 is arranged between the waterproof layer 102, the fireproof layer 103, the radiation-proof layer 101 and the protective layer 104, the bonding layer 105 is made of polyamide resin, is a condensation polymerization type high molecular compound with a CONH structure in the molecule, is usually obtained by condensation polymerization of dibasic acid and diamine, and has good gluing capacity, so that the multilayer structure can be tightly combined, and the best effect is achieved.
Further, the thickness of the protective layer 104 is 1.5-3.5 mm, the thickness of the radiation-proof layer 101 is 0.05-0.2 mm, the thickness of the water-resistant layer 102 is 0.5-0.8 mm, and the thickness of the fireproof layer 103 is 1.2-2 mm.
The inoxidizing coating 104 is arranged in the optical cable outmost layer, so thickness is thickest, can do basic protection, waterproof layer 102 only need have waterproof strength can, so need not too big thickness, fire prevention layer 103 need absorb and transmit the heat, in order to make the heat reduce at fire prevention layer 103 time temperature, so arrange the thickness of fire prevention layer 103 between inoxidizing coating 104 and waterproof layer 102, make the heat can disperse as far as possible when fire prevention layer 103 is inside, and then reduce temperature and transmission temperature, filler 300 is arranged between optic fibre 200 and reinforcement 400, adopt the PLA material and dry-type yarn mixed packing that blocks water, and then optic fibre 200's heat transmits to filler 300 at first, from filler 300 transmission to fire prevention layer 103, at last by fire prevention layer 103 with heat transmission to the external world.
Further, the middle part of a plurality of optic fibre 200 is equipped with central reinforcement 400, and central reinforcement 400 is formed by two fibre reinforced composite wire pair twists, can guarantee that optic fibre 200 is difficult for losing, improves life, and filler 300 arranges in between optic fibre 200 and central reinforcement 400, adopts the PLA material and the mixed packing of yarn that blocks water of dry-type, can play the cooling effect, prevents that the temperature is too high.
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 (9)
1. A radiation-proof 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 protective sleeve (100) is formed by a plurality of zigzag structural layers;
the radiation-proof coating (201) is arranged on the surface layer of the optical fiber (200);
the filling member (300) is made of diallyl phthalate resin, unsaturated polyester resin and glass fiber material.
2. The radiation-resistant pre-terminated round drop cable of claim 1, wherein: the protective sleeve (100) comprises a radiation protection layer (101), a waterproof layer (102), a fireproof layer (103) and a protective layer (104), wherein the waterproof layer (102) and the fireproof layer (103) are distributed in a staggered hierarchical manner.
3. The radiation-resistant pre-terminated round drop cable of claim 2, wherein: the waterproof layer (102) comprises a first waterproof layer (102 a) and a second waterproof layer (102 b), the fireproof layer (103) comprises a first fireproof layer (103 a) and a second fireproof layer (103 b), and the first waterproof layer (102 a) and the second waterproof layer (102 b) are sleeved outside the first fireproof layer (103 a) and the second fireproof layer (103 b) respectively.
4. The radiation-resistant pre-terminated round drop cable of claim 3, wherein: the protective sleeve (100) sequentially comprises the protective layer (104), the radiation protection layer (101), the first waterproof layer (102 a), the first fireproof layer (103 a), the second waterproof layer (102 b) and the second fireproof layer (103 b) from inside to outside.
5. The radiation-resistant pre-terminated round drop cable of any one of claims 2 to 4, wherein: and an adhesive layer (105) is arranged among the radiation-proof layer (101), the waterproof layer (102), the fireproof layer (103) and the protective layer (104), and the adhesive layer (105) is made of polyamide resin.
6. The radiation-resistant pre-terminated round drop cable of claim 5, wherein: the thickness of inoxidizing coating (104) is 1.5~3.5mm, the thickness of protecting against radiation layer (101) is 0.05~0.2mm, the thickness of water blocking layer (102) is 0.5~0.8mm, the thickness of flame retardant coating (103) is 1.2~2 mm.
7. The radiation-resistant pre-terminated round drop cable of claim 6, wherein: the protective layer (104) is made of a ceramic composite material and comprises a first protective layer (104 a) and a second protective layer (104 b), the first protective layer (104 a) forms a coating from the upper surface to the lower surface of the second protective layer (104 b), and the thickness of the first protective layer (104 a) is 0.5 times that of the second protective layer (104 b).
8. The radiation-resistant pre-terminated round drop cable of claim 7, wherein: the central reinforcing pieces (400) are arranged in the middle of the optical fibers (200), and the central reinforcing pieces (400) are formed by twisting two fiber reinforced composite wires.
9. The radiation-resistant pre-terminated round drop cable of claim 8, wherein: the filling piece (300) is arranged between the optical fiber (200) and the central reinforcing piece (400) and is filled by mixing PLA material and dry water-blocking yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120113523.2U CN214375439U (en) | 2021-01-15 | 2021-01-15 | Radiation-proof prefabricated end circular leading-in optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120113523.2U CN214375439U (en) | 2021-01-15 | 2021-01-15 | Radiation-proof prefabricated end circular leading-in optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN214375439U true CN214375439U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120113523.2U Active CN214375439U (en) | 2021-01-15 | 2021-01-15 | Radiation-proof prefabricated end circular leading-in optical cable |
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| CN (1) | CN214375439U (en) |
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- 2021-01-15 CN CN202120113523.2U patent/CN214375439U/en active Active
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