CN207867096U - A kind of leading in cable used suitable for indoor and outdoor - Google Patents

Abstract

The utility model discloses a kind of leading in cables used suitable for indoor and outdoor, including optical cable ontology, optical cable ontology is divided into the outer cable portion used when the interior cable and outdoor laid that are used when indoor laying, interior cable includes cable core at medial axis, is sheathed on cable core outer ring microbeam pipe, the inner sheath for being sheathed on microbeam pipe outer ring, and the interior reinforcing element that is axially filled in along optical cable ontology between microbeam pipe and inner sheath；Outer cable portion includes being sheathed on the oversheath of inner sheath outer ring, and the outer reinforcing element between inner sheath and oversheath is axially filled in along optical cable ontology.Structure type because collectively constituting optical cable ontology using interior cable and outer cable portion meets the demands such as uvioresistant, anti-aging, high-low temperature resistant when optical cable outdoor application；When in optical cable room in use, leave behind outer diameter small, light weight, the interior cable of soft pliable song, demands such as micromation, counter-bending, environmental protection flame retardant, beauty when meeting indoor use.

Description

A kind of leading in cable used suitable for indoor and outdoor

Technical field

The utility model is related to optical fiber structures, and in particular, to a kind of leading in cable used suitable for indoor and outdoor.

Background technology

In the country such as America and Europe and Some Domestic area, civil construction is in the majority with only only family, further includes the flower to differ in size Garden or lawn, and relatively disperse.The optical cable for building in many places considers safety, is introduced using pipeline, direct-burried introduces Or both the incorporation way that is combined some new applications just so are proposed to optical cable without the modes such as introducing using aerial Demand：Outside run using when need uvioresistant, anti-aging, high-low temperature resistant etc.；House wiring using when need micromation, bending resistance Bent, environmental protection flame retardant, beauty etc.；Pipeline needs tension, wear-resisting, low-friction coefficient etc. when introducing use；Direct-burried need to resist when introducing use Pressure, corrosion-resistant, hydrolysis, it is mould proof etc..Currently, existing optical cable has a single function in the market, it is only applicable to single wiring grommet Border, when there are many when wiring environment demand, generally requiring to replace optical cable, increase simultaneously operation complexity and artificial and material at This.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art, provide a kind of introducing used suitable for indoor and outdoor Optical cable is wanted in outside run in use, can meet a variety of of incorporation way that pipeline introducing, direct-burried introducing or both are combined It asks；After introducing indoor, it is convenient to remove outer protective element, it is more when house wiring uses to meet to only use interior cable Kind requires.

To achieve the above object, the utility model uses following technical scheme：

A kind of leading in cable used suitable for indoor and outdoor, including optical cable ontology, which is characterized in that the optical cable ontology It is divided into the outer cable portion used when the interior cable and outdoor laid that are used when indoor laying, the interior cable includes the cable at medial axis Core, the microbeam pipe for being sheathed on the cable core outer ring, the inner sheath for being sheathed on the microbeam pipe outer ring, and along the light Cable ontology is axially filled in the interior reinforcing element between the microbeam pipe and the inner sheath；The outer cable portion includes set Oversheath set on the inner sheath outer ring, and along the optical cable ontology be axially filled in the inner sheath with it is described Oversheath between outer reinforcing element.

Preferably, the outer cable portion further includes enhancing bar, and the enhancing bar is symmetrical along optical cable body axis direction Two glass fiber reinforcement bars of arrangement, the enhancing bar are set between the outer reinforcing element and the oversheath, And there are about 2/3rds to be embedded in oversheath, in the remaining part insertion outer reinforcing element.

Preferably, the outer cable portion further include it is double open hawser, it is described double to open that hawser is symmetrical parallel to be placed on oversheath Inside, and do not generate chiasma interference with the outer reinforcing element and the enhancing bar.

Preferably, the leading in cable ontology shape is round tubular structure.

Preferably, the cable core is coloring coated fiber/beam, and the cable core is single structure or twin-core or four core knots Structure, the cable core are in fluffy in the microbeam pipe.

Preferably, the microbeam pipe is made of low smoke halogen-free flame-retardant polyolefin.

Preferably, the material of the inside and outside reinforcing element is aramid yarn.

Preferably, the internal protective cover is made of low smoke halogen-free flame-retardant polyolefin.

Preferably, the outer jointing jacket is made of black polyethylene.

A kind of leading in cable used suitable for indoor and outdoor of the utility model has following notable compared to traditional cable Advantage：

It, can be with when optical cable outdoor application 1. because of the structure type for collectively constituting optical cable ontology using interior cable and outer cable portion Meet pipeline introducing, directly a variety of application forms such as embedment or both incorporation way being combined, resisting when meeting outdoor application The demands such as ultraviolet light, anti-aging, high-low temperature resistant；When in use, outer cable portion can easily remove, leaving behind outer diameter in optical cable room It is small, light weight, the interior cable of soft pliable song, the demands such as micromation, counter-bending, environmental protection flame retardant, beauty when meeting indoor use；

2. because of two glass fiber reinforcement bars of axially symmetric arrangement, while reducing protective case longitudinal contraction, light is kept The integrally-built stability of cable.

3. the outer reinforcing element upper edge optical cable axis direction between internal protective cover and outer jointing jacket is arranged with two and opens cable Rope, interior cable is unaffected when ensure that outer cable portion tearing；

4. because using circular optical cable structure, space availability ratio is high, is easily installed；

5. convenient to be distinguish optical fiber by different coating colors because cable core is coloring coated fiber/beam；

6. because the material of inside and outside reinforcing element is aramid yarn, excellent tension protection can be carried out to optical cable, and prevent outer Optical cable generates contraction distortion when portion's environment temperature is excessively high；

In order to be more clearly understood that the above-mentioned purpose, characteristics and advantages of the utility model, below in conjunction with the accompanying drawings and have Body embodiment is described in further detail the utility model.

Description of the drawings

Fig. 1 is the structural schematic diagram for being suitable for the leading in cable that indoor and outdoor uses of the utility model；

Fig. 2 is the longitudinal section view for being suitable for the leading in cable that indoor and outdoor uses of the utility model；

Specific implementation mode

Many details are elaborated in following specific descriptions in order to fully understand the utility model, but this reality It can also be realized different from the other modes of this description using other with novel, therefore, the scope of protection of the utility model is simultaneously It is not limited by following public specific embodiment.

As shown in Figures 1 and 2, a kind of leading in cable used suitable for indoor and outdoor of the utility model, including optical cable sheet Body, optical cable ontology are divided into interior cable and outer cable portion, and interior cable includes cable core 1 at medial axis, is sheathed on the microbeam pipe of 1 outer ring of cable core 2, it is sheathed on the inner sheath 4 of 2 outer ring of microbeam pipe, and in being axially filled between microbeam pipe 2 and inner sheath 4 along optical cable ontology Reinforcing element 3.Outer cable portion includes being sheathed on the oversheath 8 of 4 outer ring of inner sheath, and be axially filled in inner sheath along optical cable ontology Outer reinforcing element 6 between 4 and oversheath 8；Optical cable ontology (including 1~8), indoor laying are directly used when outdoor laid optical cable When go except cable portion retain in cable (including 1~4) connected up.It can flexibly be selected according to specific laying environment, including outer The optical cable body construction in cable portion is tough, and anti-adverse environment ability is strong, is suitable for outdoor environment；After optical cable is introduced into interior, only stay Outer diameter is small, light weight, soft pliable song interior cable, convenient for the cloth wire routing demand in indoor small space.

In specific embodiment 1, a kind of outer cable portion of leading in cable used suitable for indoor and outdoor of the utility model is also wrapped Enhancing bar 5 is included, enhancing bar 5 is two glass fiber reinforcement bars being arranged symmetrically along optical cable body axis direction, and enhancing bar 5 is set to Between outer reinforcing element 6 and oversheath 8, and there are about 2/3rds to be embedded in oversheath 8, and remaining part is embedded in outer reinforcing element In 6.On the one hand design of (FRP) part inlay of glass fiber reinforcement bar 5 inside outer jointing jacket 8 can reduce the outer of optical cable Diameter size controls in 6.3mm or so, while ensureing the intensity of outer layer wall thickness at glass fiber reinforcement bar 5 (FRP), reduces cost While convenient for construction lay；On the other hand it can reduce the longitudinal contraction of protective case 8, keep the integrally-built stabilization of optical cable Property, ensure the good data transmission performance of optical cable.

Outer cable portion further include it is double open hawser 7, it is double to open the symmetrical parallel inside for being placed on oversheath 8 of hawser 7, and not with it is additional Strong element 6 and enhancing bar 5 generate chiasma interference, and interference is not had to meet when it tears outer jointing jacket 8.Open the main of hawser 7 Effect is optical cable after outdoor cloth is discharged and got in, and the protective case 8 of indoor section optical cable is longitudinally long along optical cable axis direction Distance tearing, convenient for the outer cable portion of removal optical cable ontology, with laying in cable in realization indoors environment.

Optical cable ontology shape is round tubular structure, and circular optical cable has general applicability, compared to special-shaped optical cable price It is cheap, and be more convenient for installing.

Cable core 1 is coloring coated fiber/beam, and cable core 1 is single structure or twin-core or quadrature arrangement, and cable core 1 is in microbeam pipe 2 Interior is in fluffy.Coloring coated fiber is to coat one layer of very thin color in Naked optical fiber appearances, and every optical fiber passes through different paintings Color is covered to be distinguish.Demand is introduced for the building at only only family, cable core 1 is usually single structure, but also can be according to it He selects twin-core structure or quadrature arrangement at actual conditions.Cable core 1 is in free fluffy at 2 center of microbeam pipe, can meet scene and apply It is not pinched easily by other tools when work welding and wipes easily peelable demand, simple and quick construction.

Microbeam pipe 2 is made of low smoke halogen-free flame-retardant polyolefin, because of its easy processing, is molded rounding, will not be generated with cable core 1 viscous Even, property at high and low temperature is excellent, and convenient for controlling the outer diameter of microbeam pipe 2 within 1.0mm, wall thickness can be as thin as 0.1mm, and and cable Without other fillings between core 1；Microbeam pipe 2 can protect the External force interference that cable core 1 will not only have been generated by other substances, but also have enough Space ensure its activity so that optical fiber has good transmission performance when optical cable uses in a variety of contexts.

The material of interior reinforcing element 3 and outer reinforcing element 6 is aramid yarn, and aramid yarn comes from DuPont Corporation, soft Soft easily to bend repeatedly, density is small, and stretch modulus is high, and fracture strength is higher, and elongation at break is relatively low, can keep at relatively high temperatures Intrinsic stability, low-shrinkage, lower creep and higher glass transition temperature can carry out optical cable excellent resist Draw protection.Internal layer filling aramid yarn can meet tension demand when interior cable connects up use indoors as interior reinforcing element 3；Outer layer It fills more aramid yarn reinforcing element uniformly to wrap up as outer reinforcing element 6 and by interior cable, on the one hand can meet optical cable in room Tension demand when outer long range wiring uses, on the other hand can prevent the Gao Rong of outer jointing jacket material in optical cable process Melt temperature largely inside cable conduction heat, prevents interior cable because high-temperature shrinkage deforms, to ensure the overall transfer performance of optical cable.

Internal protective cover 4 is made of low smoke halogen-free flame-retardant polyolefin, and there are many internal protective covers, and color is available, and has nothing The excellent properties such as cigarette is nontoxic, environmental protection flame retardant, intensity are high, thermal deformation is small, brittle temperature is low, high temperature resistance and cold cracking, enhance light While the mechanical performances such as bending resistance, resistance to compression, the shock resistance of cable, and there are the environmental performances such as good high and low temperature.Cable portion except going Interior cable, including cable core 1, microbeam pipe 2, interior reinforcing element 3 and internal protective cover 4 both can be outer indoors because its outer diameter only has 3.0mm It connects up and uses under a variety of environment, and the demands such as being miniaturized, is counter-bending when can meet house wiring use, environmental protection flame retardant, beauty.

Outer jointing jacket 8 is made of black polyethylene, polythene material have excellent uvioresistant, ageing-resistant, high temperature resistant, The advantages that corrosion-resistant, hydrolysis, mould proof, high intensity, high abrasion, low-friction coefficient, can meet in aerial wiring, pipeline cloth Line, direct-burried connect up, and are used in a variety of wire laying modes such as air-blowing wiring.

In conclusion a kind of leading in cable used suitable for indoor and outdoor of the utility model, because using interior cable and outer cable Portion collectively constitutes the structure type of optical cable ontology, when optical cable outdoor application, can meet pipeline introducing, directly embedment or both A variety of application forms such as the incorporation way being combined meet the need such as uvioresistant, the anti-aging, high-low temperature resistant when outdoor application It asks；When in use, outer cable portion can easily remove, being left behind in optical cable room, outer diameter is small, light weight, bent interior of soft pliable Cable, the demands such as micromation, counter-bending, environmental protection flame retardant, beauty when meeting indoor use；Because of two glass of axially symmetric arrangement Fiber reinforcement bar while reducing protective case longitudinal contraction, keeps the integrally-built stability of optical cable；Internal protective cover and outer protection Outer reinforcing element upper edge optical cable axis direction between set is arranged with two and opens hawser, ensure that interior cable is not when outer cable portion tearing It is impacted；Because using circular optical cable structure, space availability ratio is high, is easily installed；It is convenient because cable core is coloring coated fiber/beam It is distinguish optical fiber by different coating colors；Because the material of inside and outside reinforcing element is aramid yarn, optical cable can be carried out Excellent tension protection, and optical cable generates contraction distortion when preventing ambient temperature excessively high；

The above-mentioned technology contents that the utility model is only further illustrated with embodiment in order to understand, but do not represent this The embodiment of utility model is only limitted to this, and any technology done according to the utility model extends or recreation, by this reality With novel protection.The scope of protection of the utility model is subject to claims.

Claims (9)

1. a kind of leading in cable used suitable for indoor and outdoor, including optical cable ontology, which is characterized in that the optical cable ontology point For used when indoor laying interior cable and outdoor laid when the outer cable portion that uses, the interior cable includes the cable at medial axis Core, the microbeam pipe for being sheathed on the cable core outer ring, the inner sheath for being sheathed on the microbeam pipe outer ring, and along the light Cable ontology is axially filled in the interior reinforcing element between the microbeam pipe and the inner sheath；The outer cable portion includes set Oversheath set on the inner sheath outer ring, and along the optical cable ontology be axially filled in the inner sheath with it is described Oversheath between outer reinforcing element.

2. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that the outer cable portion is also Including enhancing bar, the enhancing bar is two glass fiber reinforcement bars being arranged symmetrically along optical cable body axis direction, described Enhancing bar be set between the outer reinforcing element and the oversheath, and there are about 2/3rds to be embedded in oversheath, In the remaining part insertion outer reinforcing element.

3. the leading in cable according to claim 2 used suitable for indoor and outdoor, which is characterized in that the outer cable portion is also Open hawser including double, it is described it is double open the symmetrical parallel inside for being placed on oversheath of hawser, and not with the outer reinforcing element Chiasma interference is generated with the enhancing bar.

4. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that the leading in cable Ontology shape is round tubular structure.

5. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that the cable core is Color coated fiber/beam, the cable core are single structure or twin-core or quadrature arrangement, and the cable core is in the microbeam pipe In fluffy.

6. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that the microbeam pipe by Low smoke halogen-free flame-retardant polyolefin is made.

7. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that it is described inside and outside plus The material of strong element is aramid yarn.

8. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that the inner sheath by Low smoke halogen-free flame-retardant polyolefin is made.

9. the leading in cable according to claim 1 used suitable for indoor and outdoor, which is characterized in that the oversheath by Black polyethylene is made.