CN206960740U

CN206960740U - A kind of heat-insulated communications optical cable of antiultraviolet

Info

Publication number: CN206960740U
Application number: CN201720492475.6U
Authority: CN
Inventors: 信斌; 王桂花
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-05
Filing date: 2017-05-05
Publication date: 2018-02-02
Anticipated expiration: 2027-05-05

Abstract

A kind of heat-insulated communications optical cable of antiultraviolet of the utility model, including polyolefin sheath layer, PBT inner sleeves, the first thermal isolation film, the second thermal isolation film and reciprocal latch structure, the reciprocal latch structure is fixedly installed on the inwall of polyolefin sheath layer, and the inner chamber of polyolefin sheath layer is inlaid with and strengthens steel wire and five groups of PBT inner sleeves；It is connected between the polyolefin sheath layer and PBT inner sleeves by reciprocal latch structure；First thermal isolation film is located at the inner side of PBT inner sleeves, and the inner side of the first thermal isolation film is filled with optical fiber cream；The optical fiber is embedded in the inner chamber of optical fiber cream；The inner side outer end of the polyolefin sheath layer is provided with ultraviolet light screener filled cavity, and the second thermal isolation film is pasted with the outer wall of polyolefin sheath layer.The utility model inner sleeve is embedded in the inside of restrictive coating by laciniation, is easy to inner sleeve being fixed on the inner chamber of protecting pipe, avoids the relative movement between inner sleeve, filled with nano titanium dioxide powder, prevent optical fiber from being encroached on by ultraviolet.

Description

A kind of heat-insulated communications optical cable of antiultraviolet

Technical field

It the utility model is related to communications optical cable, Power-line technology field, more particularly to a kind of heat-insulated communications optical cable of antiultraviolet.

Background technology

Fiber optic communication, the light wave of carrying information exactly is transmitted to reach the purpose of communication using optical fiber.Make light wave into To carry the carrier of information, it is necessary to it is modulated, information detected from light wave again in receiving terminal.Fiber optic communication is made For a special kind of skill, it occurs, the history of development only 30~40 years so far, but it to world communication looks bring it is huge Big change, deep and long-range influence is played probably also in back.Fiber optic communication is the prevailing transmission means of modern communication networks, it Developing history there was only ten or twenty year, undergone three generations：Short wavelength's multimode fibre, long wavelength's multimode fibre and long-wavelength single-mode light It is fine.

The design people is had found, in existing communications optical cable, restrictive coating and inner sleeve are filled in using optical fiber cream inside restrictive coating Between pipe, so as to which inner sleeve be fixed, increase cost, waste of resource, while effect of heat insulation is poor, function is single.

Therefore, in view of the above-mentioned problems, it is proposed that a kind of antiultraviolet heat-insulated communications optical cable solves this problem.

Utility model content

The purpose of this utility model is to provide a kind of antiultraviolet heat-insulated communications optical cable, to solve in above-mentioned background technology Inner sleeve is fixed using optical fiber cream inside the restrictive coating of proposition, increases cost, waste of resource, while effect of heat insulation is poor, work( Can be single the problem of.

To achieve the above object, the utility model provides following technical scheme：A kind of heat-insulated communications optical cable of antiultraviolet, bag Include polyolefin sheath layer, PBT inner sleeves, the first thermal isolation film, optical fiber, optical fiber cream, ultraviolet light screener filled cavity, second heat-insulated Film, reciprocal latch structure and reinforcement steel wire, the reciprocal latch structure is fixedly installed on the inwall of polyolefin sheath layer, and polyolefin jacket The inner chamber of layer, which is inlaid with, strengthens steel wire and five groups of PBT inner sleeves；Pass through latch between the polyolefin sheath layer and PBT inner sleeves Structure is connected；First thermal isolation film is located at the inner side of PBT inner sleeves, and the inner side of the first thermal isolation film is filled with optical fiber cream； The optical fiber is embedded in the inner chamber of optical fiber cream；Filled provided with ultraviolet light screener the inner side outer end of the polyolefin sheath layer Chamber, and the second thermal isolation film is pasted with the outer wall of polyolefin sheath layer.

Preferably, the outer wall of the PBT inner sleeves is laciniation.

Preferably, the inner side of the polyolefin sheath layer is provided with five groups of reciprocal latch structures, and outside reciprocal latch structure and PBT inner sleeves The laciniation of wall matches.

Preferably, steel wire is arranged in a ring as center line to strengthen for the PBT inner sleeves, and every two groups of adjacent PBT inner sleeves The outer wall laciniation of pipe is mutually fitted together to.

Compared with prior art, the utility model has the advantages that：

1. the utility model inner sleeve is embedded in the inside of restrictive coating by laciniation, it is easy to inner sleeve being fixed on The inner chamber of protecting pipe, while the relative movement between inner sleeve can be avoided, compared with traditional communications optical cable, optical fiber can be reduced The usage amount of cream, save cost.

2. the utility model is filled with nano titanium dioxide powder, shielding ultraviolet rays effect is strong, have good dispersiveness and Weatherability, prevent optical fiber from being encroached on by ultraviolet.

3. the setting of the thermal isolation film of the utility model first and the second thermal isolation film, has good effect of heat insulation.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is mplifying structure schematic diagram at the utility model A；

Fig. 3 is mplifying structure schematic diagram at the utility model B；

Fig. 4 is the utility model polyolefin sheath layer structural representation.

In figure：1st, polyolefin sheath layer, 2, PBT inner sleeves, the 3, first thermal isolation film, 4, optical fiber, 5, optical fiber cream, 6, ultraviolet Screener filled cavity, the 7, second thermal isolation film, 8, reciprocal latch structure, 9, strengthen steel wire.

Embodiment

Below, embodiment of the present utility model is will be explained in, the example is shown in the accompanying drawings and the description below.Although will The utility model is described with reference to exemplary embodiment, it is to be understood that the description does not really want the utility model to be limited to this to show The embodiment of example property.On the contrary, the utility model will not only cover the exemplary embodiment, but also cover various replacements, Change, equivalent and other embodiment, it can be included in spirit of the present utility model and the model that appended claims are limited In enclosing.

As shown in accompanying drawing 1 to accompanying drawing 4：

The utility model provides a kind of technical scheme：A kind of heat-insulated communications optical cable of antiultraviolet, including polyolefin sheath layer 1st, PBT inner sleeves 2, the first thermal isolation film 3, optical fiber 4, optical fiber cream 5, ultraviolet light screener filled cavity 6, the second thermal isolation film 7, latch knot Structure 8 and reinforcement steel wire 9, reciprocal latch structure 8 is fixedly installed on the inwall of polyolefin sheath layer 1, and the inner chamber of polyolefin sheath layer 1 It is inlaid with and strengthens steel wire 9 and five groups of PBT inner sleeves 2；Pass through the phase of reciprocal latch structure 8 between polyolefin sheath layer 1 and PBT inner sleeves 2 Connection；First thermal isolation film 3 is located at the inner side of PBT inner sleeves 2, and the inner side of the first thermal isolation film 3 is filled with optical fiber cream 5；Optical fiber 4 is inlayed In the inner chamber of optical fiber cream 5；The inner side outer end of polyolefin sheath layer 1 is provided with ultraviolet light screener filled cavity 6, and polyolefin protects The second thermal isolation film 7 is pasted with the outer wall of jacket layer 1, the inside of ultraviolet light screener filled cavity 6 is filled with nanometer titanium dioxide titanium valve End, shielding ultraviolet rays effect is strong, has good dispersiveness and weatherability, prevents optical fiber from being encroached on by ultraviolet, first is heat-insulated The thermal isolation film 7 of film 3 and second uses 3M thermal isolation films, and it has the function of heat-insulating and energy-saving, while has the effect of barrier ultraviolet.

Specifically, the outer wall of PBT inner sleeves 2 is laciniation, it is easy to PBT inner sleeves 2 to coordinate with reciprocal latch structure 8, carries The stability of high PBT inner sleeves 2；

Specifically, the inner side of polyolefin sheath layer 1 is provided with five groups of reciprocal latch structures 8, and outside reciprocal latch structure 8 and PBT inner sleeves 2 The laciniation of wall matches, and PBT inner sleeves 2 can be made to be fixed on the inner side of polyolefin sheath layer 1, avoids PBT inner sleeves 2 from existing The inner rotation of polyolefin sheath layer 1；

Specifically, PBT inner sleeves 2 are arranged in a ring for center line to strengthen steel wire 9, and every two groups of adjacent PBT inner sleeves 2 Outer wall laciniation be mutually fitted together to, can avoid the relative movement between two groups of PBT inner sleeves 2, two groups of PBT inner sleeves 2 it is outer The structure that wall sawtooth is mutually fitted together to such as Fig. 3.

Operation principle：

The laciniation and reciprocal latch structure 8 that PBT inner sleeves 2 inside the heat-insulated communications optical cable of the antiultraviolet pass through outside Annular array avoids PBT inner sleeves 2 from being rotated inside polyolefin sheath layer 1 in the inner chamber of polyolefin sheath layer 1, The relative movement between two groups of PBT inner sleeves 2 can be avoided simultaneously, compared with traditional communications optical cable, can reduce optical fiber cream 5 Usage amount, saves cost, and the inside of ultraviolet light screener filled cavity 6 is filled with nano titanium dioxide powder, shielding ultraviolet rays effect By force, there are good dispersiveness and weatherability, prevent optical fiber from being encroached on by ultraviolet, while be provided with the first thermal isolation film 3 and second Thermal isolation film 4, there is good effect of heat insulation, while there is the effect of barrier ultraviolet.

The standardized element that the utility model uses can commercially, shaped piece according to specification and accompanying drawing Record can carry out customized, will not be described in detail herein.

In summary, although the utility model is described in detail with reference to the foregoing embodiments, for this area For technical staff, it can still modify to the technical scheme described in foregoing embodiments, or to which part Technical characteristic carries out equivalent substitution, all within the spirit and principles of the utility model, any modification for being made, equivalent substitution, Improve etc., it should be included within the scope of protection of the utility model.

Claims

A kind of 1. heat-insulated communications optical cable of antiultraviolet, it is characterised in that：Including polyolefin sheath layer, PBT inner sleeves, first heat-insulated Film, optical fiber, optical fiber cream, ultraviolet light screener filled cavity, the second thermal isolation film, reciprocal latch structure and reinforcement steel wire, the reciprocal latch structure It is fixedly installed on the inwall of polyolefin sheath layer, and the inner chamber of polyolefin sheath layer is inlaid with and strengthened in steel wire and five groups of PBT Sleeve pipe；It is connected between the polyolefin sheath layer and PBT inner sleeves by reciprocal latch structure；First thermal isolation film is located at PBT The inner side of inner sleeve, and the inner side of the first thermal isolation film is filled with optical fiber cream；The optical fiber is embedded in the inner chamber of optical fiber cream；It is described The inner side outer end of polyolefin sheath layer is provided with ultraviolet light screener filled cavity, and second is pasted with the outer wall of polyolefin sheath layer Thermal isolation film.
2. the heat-insulated communications optical cable of antiultraviolet according to claim 1, it is characterised in that：The outer wall of the PBT inner sleeves For laciniation.
3. the heat-insulated communications optical cable of antiultraviolet according to claim 1, it is characterised in that：The polyolefin sheath layer it is interior Side is provided with five groups of reciprocal latch structures, and reciprocal latch structure and the laciniation of PBT inner sleeve pipe outer walls match.
4. the heat-insulated communications optical cable of antiultraviolet according to claim 1, it is characterised in that：The PBT inner sleeves are to strengthen Steel wire is that center line is arranged in a ring, and the outer wall laciniation of every two groups of adjacent PBT inner sleeves is mutually fitted together to.