CN209515235U - One kind is vertical to put formula optical cable - Google Patents

Abstract

It is indulged this application involves one kind and puts formula optical cable, including being in flat sheath (1), two side ends in sheath (1) are respectively equipped with a non-metal reinforcement member (2), the centre of the sheath (1) is embedded with several colored optical fiber (3) the first tear ropes of He Yigen (4), power supply line (5) are equipped with inside the non-metal reinforcement member (2), housing (6) are coated on the outside of power supply line (5), close to being additionally provided with the second tear rope (7) at the sheath (1) in the non-metal reinforcement member (2), the colored optical fiber (3) uses resist bending optical fiber, wherein, the colored optical fiber (3) and first tear rope (4) are coated with the first silastic-layer (8), first silastic-layer (8) is coated with the second silastic-layer (9), be also wrapped on outside second silastic-layer (9) about collar ( 10), the contact surface of first silastic-layer (8) and second silastic-layer (9) has several protrusions.The optical cable of the application makes light draw very easy stripping using joined tear rope in sheath, without using special tool(s).

Description

One kind is vertical to put formula optical cable

Technical field

It is indulged the present invention relates to one kind and puts formula optical cable.

Background technique

With the growth of information and popularizing for network, as large capacity, the effective means of long distance transmission, optical cable is obtained A large amount of application, fiber to the home, optical fiber to table, optical fiber to machine are the directions of product development, and as people are to bandwidth requirement Raising and the every line cost of fiber to the home (FTTH) continuous decline, all promote the development of FTTH.But fiber to the home, light More stringent requirements are proposed to the performance of table, optical fiber to machine to optical fiber for fibre, and especially optical fiber needs higher mechanical performance, also needs It will be convenient for stripping for registering one's residence.

Summary of the invention

Object of the present invention is to: a kind of longitudinal optical cable for optical fiber to house is provided, use occasion can be answered from outdoor to interior With, and be equipped with can branch power supply line, its transmission capacity can be changed according to actual needs.

The technical scheme is that

One kind is vertical to put formula optical cable, including being in flat sheath, the two side ends in sheath be respectively equipped with one it is nonmetallic plus Strong part, the centre of the sheath are embedded with several colored optical fibers and first tear rope, inside the non-metal reinforcement member It is coated with housing equipped with power supply line, on the outside of power supply line, tears in the non-metal reinforcement member close to being additionally provided with second at the sheath Split rope, the colored optical fiber uses resist bending optical fiber, wherein the colored optical fiber and first tear rope are coated with the One silastic-layer, the first silastic-layer is coated with the second silastic-layer, is also wrapped on about collar outside the second silastic-layer, described The contact surface of first silastic-layer and second silastic-layer has several protrusions.

The contact surface of first silastic-layer and second silastic-layer has several in one of the embodiments, Protrusion.

The bump array indention in one of the embodiments, the maximum width of the protrusion is 0.1~ 0.5mm。

The section of the protrusion is triangular in shape or trapezoidal in one of the embodiments,.

The non-metal reinforcement member uses nylon or fiberglass reinforced plastics in one of the embodiments,.

The about collar uses low-smoke halide-free fireproof composite polyolefine material in one of the embodiments,.

The about collar is in one of the embodiments, with a thickness of 0.5~0.8mm.

The sheath uses low-smoke halide-free fireproof composite polyolefine material or nylon sheath wire in one of the embodiments,.

The invention has the advantages that:

There is minimum bending resistance bilge radius using resist bending optical fiber, can be laid perpendicular to wall, without influencing optical fiber Transmission performance；Add one group of electric power line by optical cable, power supply protection can be provided for equipment, and be easy branch；Such light The use of cable is mainly 1-2 core for interior, 2-6 core be from outdoor to building in so that the use occasion of this cable is from outdoor to room It is interior to apply, can the power line of branch also change its transmission capacity according to actual needs；Entire sheath uses low cigarette Halogen-free anti-flaming polyolefin material or nylon sheath wire, material need good flexibility and ring while meeting flame retardant rating Border performance；Non-metal reinforcement member in cable will bear higher drawing force, common fiberglass reinforced plastics FRP and sheath It can not combine closely, be allowed to reach good bond effect with sheath so using special FRP, bigger receiving is drawn Power, this material is outside the performance for keeping existing FRP, and when temperature reaches 150 DEG C or more, surface can melt a kind of material, energy Enough sheath is made to combine together with FRP, optical cable is made to have preferable mechanical performance；Joined tear rope in sheath holds that light drawing very Easy stripping, without using special tool(s)；Silastic-layer and about collar make its internal optical fiber when optical cable is in bending, stretching It will not be by overstress.

Detailed description of the invention

The technical solution of the application is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the vertical structural schematic diagram for putting formula optical cable of the embodiment of the present application.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.

In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the application protection scope.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.

One kind of the invention is vertical to put formula optical cable, and including being in flat sheath 1, the two side ends in sheath 1 are respectively equipped with one Root non-metal reinforcement member 2.Non-metal reinforcement member in cable will bear higher drawing force, common fiberglass reinforced plastics FRP can not combine closely with sheath, be allowed to reach good bond effect with sheath so using special FRP, more greatly Receiving pulling force, this material is outside the performance for keeping existing FRP, and when temperature reaches 150 DEG C or more, surface can melt one kind Material can make sheath combine together with FRP, and optical cable is made to have preferable mechanical performance.The centre of sheath 1 is embedded with several pieces Coloured light fibre 3 and first tear rope 4 is equipped with power supply line 5 inside non-metal reinforcement member 2, is coated with housing 6 on the outside of power supply line 5, Close to the second tear rope 7 is additionally provided at sheath 1 in non-metal reinforcement member 2, tear rope makes optical cable both ends and middle part be easier to peel off. Colored optical fiber 3 uses resist bending optical fiber, and resist bending optical fiber has minimum bending resistance bilge radius, can lay perpendicular to wall, and The transmission performance of optical fiber is not influenced.

In order to further increase the resistance to bend(ing) energy of optical cable in the present embodiment, the outsourcing of colored optical fiber 3 and the first tear rope 4 It is covered with the first silastic-layer 8, the first silastic-layer 8 is coated with the second silastic-layer 9, is also wrapped on outside the second silastic-layer 9 About collar 10.Silicon rubber has excellent high- and low-temperature resistance performance, also has good bullet under prolonged abnormal temperature Property, also about under the constraint of collar 10, double silastic-layers can be very good the optical fiber inside cladding, protection and constraint, be allowed to be not easy It is influenced by the external temperature difference and bursting stress.

The contact surface of the first silastic-layer 8 and the second silastic-layer 9 has several protrusions in one of the embodiments, Protrusion increases the contact area of the first silastic-layer 8 and the second silastic-layer 9, enhances the peptizaiton to external stress, Reduce the effect of power suffered by optical fiber.

In order to further increase the resistance to bend(ing) energy of optical cable in the present embodiment, protrusion is in saw in one of the embodiments, Tooth form arrangement, the maximum width of each protrusion are 0.1~0.5mm.Preferably, the section of each protrusion is triangular in shape or terraced Shape, the interior outer end face that such protrusion has width different can be by stress to be spread from centrostigma to multiple spot, further to weaken The effect of external force suffered by optical fiber.

Non-metal reinforcement member 2 uses fiberglass reinforced plastics in one of the embodiments,.It is of the invention nonmetallic plus Strong part will bear higher drawing force, and common fiberglass reinforced plastics FRP can not combine closely with sheath, so adopting It is allowed to reach good bond effect with sheath with special FRP, bigger receiving pulling force.This material is keeping existing Outside the performance of FRP, when temperature reaches 150 DEG C or more, surface can melt a kind of material, sheath can be made to combine together with FRP, Optical cable is set to have preferable mechanical performance.In other examples, nylon can also be used in non-metal reinforcement member 2.

About collar 10 uses low-smoke halide-free fireproof composite polyolefine material in one of the embodiments, which is meeting resistance While firing grade, there are good flexibility and environmental performance.

In order to guarantee flame retardant effect, improve restriction ability, in one of the embodiments, about collar 10 with a thickness of 0.5~ 0.8mm.Then according to actual needs, in various embodiments, about collar 10 is with a thickness of 0.5mm, 0.75mm or 0.8mm.

Sheath 1 uses low-smoke halide-free fireproof composite polyolefine material or nylon sheath wire in one of the embodiments,.Above-mentioned material While meeting flame retardant rating, there are good flexibility and environmental performance.

In conclusion the invention has the advantages that: there is minimum bending resistance bilge radius using resist bending optical fiber, it can be perpendicular to wall Wall laying, the transmission performance without influencing optical fiber；Add one group of electric power line by optical cable, power supply can be provided for equipment and protected Shield, and it is easy branch；The use of such optical cable is mainly 1-2 core for interior, 2-6 core be from outdoor to building in so that this The use occasion of cable can be applied from outdoor to interior, can the power line of branch also change its transmission according to actual needs Capacity；Entire sheath uses low-smoke halide-free fireproof composite polyolefine material or nylon sheath wire, and material needs while meeting flame retardant rating There are good flexibility and environmental performance；Non-metal reinforcement member in cable will bear higher drawing force, common glass fibers Dimension reinforced plastics FRP can not combine closely with sheath, be allowed to reach good bonding with sheath so using special FRP Effect, bigger receiving pulling force, this material is outside the performance for keeping existing FRP, when temperature reaches 150 DEG C or more, surface A kind of material can be melted, sheath can be made to combine together with FRP, optical cable is made to have preferable mechanical performance；It joined in sheath Tear rope makes light draw very easy stripping, without using special tool(s)；Silastic-layer and about collar make in optical cable in bending, drawing Its internal optical fiber will not be by overstress when stretching.

In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in this application.

It is enlightenment with the above-mentioned desirable embodiment according to the application, through the above description, relevant staff is complete Full various changes and amendments can be carried out in the range of without departing from this item application technical idea.The technology of this item application Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (7)

1. one kind is vertical to put formula optical cable, it is characterised in that: including being in flat sheath (1), the two side ends in sheath (1) are set respectively There is a non-metal reinforcement member (2), the centre of the sheath (1) is embedded with several colored optical fiber (3) He Yigen first and tears It restricts (4), is equipped with power supply line (5) inside the non-metal reinforcement member (2), be coated with housing (6) on the outside of power supply line (5), it is described non- Close to being additionally provided with the second tear rope (7) at the sheath (1) in metal reinforcement (2), the colored optical fiber (3) uses resist bending Optical fiber, wherein the colored optical fiber (3) and first tear rope (4) are coated with the first silastic-layer (8), the first silicon Rubber layer (8) is coated with the second silastic-layer (9), is also wrapped on about collar (10) outside the second silastic-layer (9), and described first Silastic-layer (8) and the contact surface of second silastic-layer (9) have several protrusions.

2. according to claim 1 indulge puts formula optical cable, it is characterised in that: the bump array indention, the protrusion Maximum width be 0.1~0.5mm.

3. according to claim 2 indulge puts formula optical cable, it is characterised in that: the section of the protrusion is triangular in shape or trapezoidal.

Vertical put formula optical cable 4. according to claim 1, it is characterised in that: the non-metal reinforcement member (2) using nylon or Fiberglass reinforced plastics.

5. according to claim 1 indulge puts formula optical cable, it is characterised in that: the about collar (10) uses low-smoke non-halogen flame-retardant Polyolefine material.

Vertical put formula optical cable 6. according to claim 1, it is characterised in that: the about collar (10) with a thickness of 0.5~ 0.8mm。

7. according to claim 1 indulge puts formula optical cable, it is characterised in that: the sheath (1) is poly- using low-smoke non-halogen flame-retardant Olefin material or nylon sheath wire.