CN210572936U

CN210572936U - Aluminum-plastic composite multilayer armored optical cable

Info

Publication number: CN210572936U
Application number: CN201922010129.1U
Authority: CN
Inventors: 马海洋
Original assignee: Dongguan Hongxin Optical Cable Technology Co ltd
Current assignee: Dongguan Hongxin Optical Cable Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-05-19
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses an aluminum-plastic composite multilayer armored optical cable, which comprises a cable body, wherein the cable body is internally provided with an aluminum-plastic sheath, an armor layer and a cable core, the periphery of the cable core is wrapped with an inner protective layer and an outer protective layer, the outer protective layer is wrapped outside the inner protective layer, the outer wall of the outer protective layer is wrapped with the armor layer, the aluminum-plastic sheath is wrapped outside the armor layer, the cable core comprises an insulating sleeve, a cable core filler, a central reinforcing core and optical fibers, the optical fibers are provided with a plurality of groups, the optical fibers are wound outside the central reinforcing core, the optical fibers are arranged in the insulating sleeve, the utility model discloses a central reinforcing core is arranged in the cable body, when the strength of the optical cable is increased by utilizing the central reinforcing core, as the core body and silica gel mud are arranged in the central reinforcing core, the silica gel mud is wrapped outside the core body, the plasticity is ensured outside the central reinforcing, thereby making the connection between the central strength member and the optical fiber tighter.

Description

Aluminum-plastic composite multilayer armored optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is a compound multilayer armor optical cable of plastic-aluminum.

Background

An optical fiber, referred to as an optical fiber for short, is a light transmission tool that achieves the principle of total reflection transmission of light in a fiber made of glass or plastic. The optical cable is a communication line which is formed by a certain number of optical fibers according to a certain mode to form a cable core, is coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. In a plastic sheath, so that it can be bent without breaking. Typically, a transmitting device at one end of the fiber uses a light emitting diode or a beam of laser light to transmit a pulse of light to the fiber, and a receiving device at the other end of the fiber uses a photosensitive element to detect the pulse. Cables containing optical fibers are referred to as fiber optic cables. Since the transmission loss of light in optical fiber is much lower than that of electricity in electric wire, and the main raw material is silicon, which has great storage and is easy to be exploited, the cost is low, and the optical fiber is promoted to be used as information transmission tool for long distance. As the price of optical fibers is further reduced, optical fibers are also used for medical and entertainment purposes

Constitute by multiunit optic fibre in the optical cable, when the winding was together between each group's optic fibre, intensity is lower, and each group's optic fibre intertwine back, and is loose easily not in order to do benefit to the use in later stage, and the optical cable takes place to pull easily when using, takes place to rub with ground or between the object, so make the optical cable damage to the cable core easily for the optical cable loses the result of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound multilayer armor optical cable of plastic-aluminum to constitute by multiunit optic fibre in solving above-mentioned background art in the optical cable, when the winding is together between each group optic fibre, intensity is lower, and each group optic fibre intertwine back, and is loose easily, not in order to do benefit to the use in later stage, and the optical cable takes place to pull easily when using, and takes place the friction between ground or the object, so make the optical cable damage to the cable core easily, make the optical cable lose the problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound multilayer armoured optical cable of plastic-aluminum, includes the cable body, internal plastic-aluminum sheath, armor and the cable core of including of cable, the peripheral parcel of cable core has inner protective layer and outer protective layer, outer protective layer parcel is outside at the inner protective layer, the outer wall parcel of outer protective layer has the armor, the plastic-aluminum sheath parcel is in the outside of armor, the cable core includes insulating boot, cable core filler, center and strengthens core and optic fibre, optic fibre is provided with the multiunit, and the optic fibre winding strengthens the core periphery at the center, optic fibre is arranged in the insulating boot, and packs the cable core filler between insulating boot and the optic fibre.

Preferably, the outer protective layer is internally provided with a plurality of groups of pressure reducing holes which are uniformly distributed.

Preferably, a core body is arranged in the central reinforcing core, a plastic sleeve is arranged outside the core body, and silica gel cement is filled between the core body and the plastic sleeve.

Preferably, the periphery of the optical fiber is wound with a binding band, and the cable core filler is wrapped outside the binding band.

Preferably, the outer protection layer and the inner protection layer are separated by a diaphragm, and the outer protection layer is made of rubber materials.

The utility model provides a compound multilayer armor optical cable of plastic-aluminum possesses following beneficial effect:

(1) the utility model discloses a set up central strengthening core in the cable body, when utilizing central strengthening core to increase the intensity of optical cable, because central strengthening core sets up core and silica gel mud, wrap up silica gel mud in the core outside, make the outside of central strengthening core have plasticity, when in-service use, with optic fibre winding when central strengthening core outer wall, optic fibre can strengthen the recess that the core outer wall formed mutually at the center, thereby make the connection between central strengthening core and the optic fibre inseparabler, and through winding the bandage in the optic fibre outside, strengthen being connected between optic fibre and the central strengthening core once more.

(2) The utility model discloses a set up outer protective layer and interior protective layer when the cable is internal for the cable body has double-deck protective layer, can fully protect inside cable core in the use, and sets up the multiunit pressure-relief vent in the outer protective layer, utilizes the pressure-relief vent can be when the optical cable atress, and the dispersion is done all can, thereby reaches the effect of protection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the structure of the central reinforced core of the present invention.

In the figure: 1. a cable body; 2. an aluminum-plastic sheath; 3. an armor layer; 4. an outer protective layer; 5. a pressure relief vent; 6. an inner protective layer; 7. a cable core; 8. an insulating sleeve; 9. a cable core filler; 10. a central reinforcing core; 11. an optical fiber; 12. a core body; 13. silica gel mud; 14. and (4) binding the bands.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a compound multilayer armoured optical cable of plastic-aluminum, includes cable body 1, include plastic-aluminum sheath 2, armor 3 and cable core 7 in the

cable body

1, 7 peripheral parcels of cable core have inner protective layer 6 and outer protective layer 4, outer protective layer 6 outsides including 4 parcels of outer protective layer, the outer wall parcel of outer protective layer 4 has

armor

3, 2 parcels of plastic-aluminum sheath are in the outside of armor 3, core 10 and optic fibre 11 are strengthened at cable core 7 including insulating boot 8, cable core filler 9, center, optic fibre 11 is provided with the multiunit, and optic fibre 11 twines and strengthens core 10 outsides at the center, optic fibre 11 arranges in insulating boot 8, and packs cable core filler 9 between insulating boot 8 and the optic fibre 11.

Preferably, be equipped with pressure relief vent 5 in the outer protective layer 4, and pressure relief vent 5 is equipped with the multiunit, pressure relief vent 5 evenly distributed utilizes pressure relief vent 5, when the optical cable receives the extrusion force, reaches the effect of dispersed stress.

Preferably, be equipped with core 12 in the central reinforced core 10, core 12 outside is equipped with the plastic cover, and packs the silica gel mud 13 between core 12 and the plastic cover, utilizes the plasticity of silica gel mud 13, when using for central reinforced core 10 outer wall has plasticity, thereby makes central reinforced core 10 outer wall can form with optic fibre 11 assorted spiral groove.

Preferably, the optical fibers 11 are wound with a binding band 14 at the periphery, the cable core filler 9 is wrapped outside the binding band 14, and the binding band 14 is wound around the outer walls of the plurality of groups of optical fibers 11, so as to firmly fix the optical fibers 11 outside the central reinforcing core 10.

Preferably, the outer protection layer 4 and the inner protection layer 6 are separated by a diaphragm, the outer protection layer 4 is made of rubber materials, double-layer protection layers are utilized to provide double insurance, the cable core 7 can be fully protected in the using process of the optical cable, and the cable core 7 has good anti-abrasion and waterproof effects.

It should be noted that, when working, because the cable body 1 is internally provided with the central reinforced core 10, a plurality of groups of optical fibers 11 are wound on the outer wall of the central reinforced core 10, the central reinforced core 10 is composed of a plastic sleeve, a core body 12 and a filling silica gel 13, the filling silica gel 13 is filled in the gap between the plastic sleeve and the core body 12, so that the outer wall of the central reinforced core 10 has plasticity, when a plurality of groups of optical fibers 11 are wound on the outer wall of the central reinforced core 10, the outer wall of the central reinforced core 10 can form a groove matched with the optical fibers 11, so that the optical fibers 11 and the outer part of the central reinforced core 10 are tightly connected, then the binding bands 14 are wound on the outer wall of each group of optical fibers 11, the connection between the optical fibers 11 and the central reinforced core 10 is strengthened again, the central reinforced core 10 can exert the effect, by arranging the outer protective layer 4 and the inner protective layer 6 in, the cable body 1 is provided with the double-layer protection layer, the inner core body 12 can be fully protected in the using process, the plurality of groups of pressure reducing holes 5 are arranged in the outer protection layer 4, and the extrusion force can be dispersed by utilizing the pressure reducing holes 5 when the optical cable is stressed, so that the protection effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound multilayer armoured optical cable of plastic-aluminum, includes cable body (1), its characterized in that: including plastic-aluminum sheath (2), armor (3) and cable core (7) in the cable body (1), cable core (7) periphery parcel has interior protective layer (6) and outer protective layer (4), outer protective layer (4) parcel is outside at interior protective layer (6), the outer wall parcel of outer protective layer (4) has armor (3), plastic-aluminum sheath (2) parcel is in the outside of armor (3), core (7) are strengthened core (10) and optic fibre (11) including insulating cover (8), cable core filler (9), center, optic fibre (11) are provided with the multiunit, and optic fibre (11) winding strengthens core (10) periphery at the center, optic fibre (11) are arranged in insulating cover (8), and filler (9) between insulating cover (8) and optic fibre cable core (11).

2. The aluminum-plastic composite multilayer armored cable of claim 1, wherein: be equipped with pressure-relief vent (5) in outer protective layer (4), and pressure-relief vent (5) are equipped with the multiunit, pressure-relief vent (5) evenly distributed.

3. The aluminum-plastic composite multilayer armored cable of claim 1, wherein: be equipped with core (12) in central reinforced core (10), core (12) outside is equipped with the plastic cover, and fills silica gel mud (13) between core (12) and the plastic cover.

4. The aluminum-plastic composite multilayer armored cable of claim 1, wherein: and a binding band (14) is wound on the periphery of the optical fiber (11), and the cable core filler (9) is wrapped outside the binding band (14).

5. The aluminum-plastic composite multilayer armored cable of claim 1, wherein: the outer protection layer (4) and the inner protection layer (6) are separated through a diaphragm, and the outer protection layer (4) is made of rubber materials.