CN218675409U

CN218675409U - Corrosion-resistant single-mode-beam-shaped optical cable

Info

Publication number: CN218675409U
Application number: CN202222268643.7U
Authority: CN
Inventors: 刘仁武; 闻涛
Original assignee: Guangdong Changtian Photoelectric Technology Co ltd
Current assignee: Guangdong Changtian Photoelectric Technology Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-21
Anticipated expiration: 2032-08-25

Abstract

The utility model belongs to the technical field of the technique of optical cable and specifically relates to a corrosion-resistant single mode beam form optical cable is related to, it includes the fibre core, set up in interior protective sheath on the fibre core, set up in rubber sheath on the interior protective sheath, the last polytetrafluoroethylene sheath that is provided with of rubber sheath, the inner wall of polytetrafluoroethylene sheath is provided with many strengthening ribs, the strengthening rib is followed polytetrafluoroethylene sheath length direction sets up, rubber sheath's lateral surface is provided with many recesses, the strengthening rib with the cooperation of groove joint, polytetrafluoroethylene's inner wall is provided with a plurality of annular lugs, rubber sheath's lateral surface is provided with the annular, the lug with the cooperation of annular joint. The utility model discloses has the effect that corrosion resisting property is good.

Description

Corrosion-resistant single-mode-beam-shaped optical cable

Technical Field

The utility model belongs to the technical field of the technique of optical cable and specifically relates to a corrosion-resistant single mode beam form optical cable is related to.

Background

With the continuous advancement of society, communications play an indispensable role in human life, optical cables are mainly used for communications transmission, and optical cables are manufactured to meet optical, mechanical or environmental performance specifications, and use one or more optical fibers disposed in a covering sheath as a transmission medium and are used individually or in groups as a communications cable assembly. The optical cable is mainly composed of optical fibers, a plastic protective sleeve and a plastic outer skin, compared with the prior copper wire, the optical fibers have the advantages that the transmission loss of light in the optical fibers is much lower than the loss of electricity in electric wire conduction, the transmission speed is high, the data transmission quantity is large, the price is low because the main production raw material is silicon, the storage quantity is extremely large, the exploitation is easy, the optical fibers are promoted to be used as long-distance information transmission tools, and the optical fibers are more and more commonly used.

At present, the optical cable is only coated with a layer of polyethylene sheath outside the fiber core, and when the optical cable is used for a long time, the polyethylene is easy to corrode by temperature, humidity, pollutants, microorganisms and the like, so that the optical cable is damaged, the service life of the optical cable is influenced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to prior art provides a corrosion-resistant single mode beam form optical cable, aims at solving prior art's technical problem.

The utility model provides a pair of corrosion-resistant single mode beam form optical cable adopts following technical scheme:

the utility model provides a corrosion-resistant single mode beam form optical cable, includes the fibre core, set up in interior protective sheath on the fibre core, set up in rubber sheath on the interior protective sheath, be provided with the polytetrafluoroethylene sheath on the rubber sheath.

Preferably, the rubber sheath is made of a silicon rubber material.

Preferably, the inner wall of polytetrafluoroethylene sheath is provided with many strengthening ribs, the strengthening rib is followed polytetrafluoroethylene sheath length direction sets up, the lateral surface of rubber sheath is provided with many recesses, the strengthening rib with the cooperation of recess joint.

Preferably, a steel strand is arranged in the groove.

Preferably, the inner wall of polytetrafluoroethylene is provided with a plurality of annular lugs, the lateral surface of rubber sheath is provided with the annular, the lug with the cooperation of annular joint.

Preferably, the inner protective sleeve is made of pvc material.

Preferably, an aluminum foil layer is arranged between the inner protective sleeve and the rubber protective sleeve.

To sum up, the utility model discloses a following at least one useful technological effect:

the polytetrafluoroethylene sheath is arranged on the optical cable, so that the corrosion resistance of the optical cable is improved, the service life of the optical cable in a corrosive environment is prolonged, and meanwhile, the rubber sheath can protect the optical cable when the polytetrafluoroethylene sheath is damaged.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the present invention.

In the figure: 1. a core; 2. an inner protective sheath; 3. a rubber sheath; 31. a groove; 32. a ring groove; 4. a polytetrafluoroethylene sheath; 41. reinforcing ribs; 42. an annular projection; 5. steel strand wires; 6. an aluminum foil layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

The embodiment of the utility model discloses corrosion-resistant single mode beam form optical cable, as shown in fig. 1-2, including stranded fibre core 1, and set up interior protective sheath 2 on fibre core 1, in this embodiment, the preferred five strands of quantity of fibre core 1, five strand fibre cores 1 all are located interior protective sheath 2, five strand fibre core 1 are along the circumferencial direction interval arrangement of interior protective sheath 2, interior protective sheath 2 is the pvc material, pvc is that the chloroethylene monomer is at peroxide, initiator such as azo compound or at light, the polymer that the thermal action formed according to free radical polymerization mechanism polymerization under, better mechanical properties has, it is heat-resisting to prevent fires, fibre core 1 is protected to the parcel that can be fine.

Referring to fig. 1 and 2, the inner protective sleeve 2 is sleeved with a rubber sheath 3, the rubber sheath 3 is made of silicon rubber, the main chain of the silicon rubber is formed by silicon and oxygen atoms in an alternating mode, the silicon atoms are usually connected with rubber with two organic groups, and compared with common rubber, the silicon rubber has the advantages of heat resistance, cold resistance, more outstanding corrosion resistance and capability of well improving the corrosion resistance of the optical cable. Meanwhile, an aluminum foil layer 6 is arranged between the inner protective sleeve 2 and the rubber protective sleeve 3, and the aluminum foil layer 6 can prevent the fiber core 1 from being influenced by external interference signals and plays a role in heat insulation.

Referring to fig. 1 and 2, a teflon sheath 4 is sleeved on a rubber sheath 3, the teflon is commonly called as plastic king, is a high molecular polymer prepared by polymerizing tetrafluoroethylene as a monomer, has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost insoluble in all solvents, and meanwhile, the teflon has the characteristic of high temperature resistance, an optical cable using the teflon sheath 4 can adapt to various high-corrosion environments, and meanwhile, if the teflon sheath 4 is damaged, the rubber sheath 3 in the teflon sheath 4 can also play a role in corrosion resistance.

Referring to fig. 1 and 2, in addition, the inner wall of the polytetrafluoroethylene sheath 4 is integrally formed with a plurality of reinforcing ribs 41, the reinforcing ribs 41 are arranged along the length direction of the polytetrafluoroethylene sheath 4, the plurality of reinforcing ribs 41 are arranged at intervals along the circumferential direction of the polytetrafluoroethylene sheath 4, the outer side surface of the rubber sheath 3 is provided with a plurality of grooves 31, and the plurality of reinforcing ribs 41 and the plurality of grooves 31 are respectively in clamping fit. The reinforcing ribs 41 can enhance the bending resistance of the optical cable, so that the optical cable is not easy to excessively bend, and meanwhile, when the polytetrafluoroethylene sheath 4 is damaged, the grooves 31 can isolate corrosive liquid from diffusing to other places of the rubber sheath 3. In addition, the steel strand 5 is placed in the groove 31, and the steel strand 5 can improve the tensile strength of the optical cable. Simultaneously, polytetrafluoroethylene sheath 4's inner wall integrated into one piece has a plurality of annular lugs 42, and a plurality of annular lugs 42 are along polytetrafluoroethylene's length direction interval arrangement, and annular 32 has been seted up to rubber sheath 3's lateral surface, and the lug cooperates with annular 32 joint can make rubber sheath 3 inseparabler with being connected of polytetrafluoroethylene sheath 4.

The embodiment of the utility model provides a corrosion-resistant single mode beam form optical cable's implementation principle does: through set up polytetrafluoroethylene sheath 4 on the optical cable to improve the corrosion resisting property of optical cable, improve the life of optical cable under corrosive environment, simultaneously, rubber sheath 3 can play the guard action to the optical cable when polytetrafluoroethylene sheath 4 takes place the damage.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A corrosion resistant single mode bundled optical cable characterized by: the fiber core-reinforced composite material is characterized by comprising a fiber core (1), an inner protective sleeve (2) arranged on the fiber core (1), and a rubber sheath (3) arranged on the inner protective sleeve (2), wherein a polytetrafluoroethylene sheath (4) is arranged on the rubber sheath (3).

2. The corrosion-resistant single-mode bundled optical cable of claim 1, wherein: the rubber sheath (3) is made of silicon rubber.

3. A corrosion resistant single mode bundled optical cable as claimed in claim 1 wherein: the inner wall of polytetrafluoroethylene sheath (4) is provided with many strengthening ribs (41), strengthening rib (41) are followed polytetrafluoroethylene sheath (4) length direction sets up, the lateral surface of rubber sheath (3) is provided with many recesses (31), strengthening rib (41) with recess (31) joint cooperation.

4. A corrosion resistant single mode bundled optical cable as claimed in claim 3 wherein: and a steel strand (5) is arranged in the groove (31).

5. A corrosion resistant single mode bundled optical cable as claimed in claim 3 wherein: the inner wall of polytetrafluoroethylene sheath (4) is provided with a plurality of annular lugs (42), the lateral surface of rubber sheath (3) is provided with annular (32), the lug with annular (32) joint cooperation.

6. The corrosion-resistant single-mode bundled optical cable of claim 1, wherein: the inner protective sleeve (2) is made of pvc material.

7. A corrosion resistant single mode bundled optical cable as claimed in claim 1 wherein: an aluminum foil layer (6) is arranged between the inner protective sleeve (2) and the rubber protective sleeve (3).