CN210091793U

CN210091793U - 0+3 structure photoelectric composite cable

Info

Publication number: CN210091793U
Application number: CN201920861680.4U
Authority: CN
Inventors: 王江山; 陈卫东; 张桂林; 张洪雷; 刘蒙; 丛晓红; 任建飞; 周双双; 王杨; 陈宁
Original assignee: WANG ON GROUP Ltd
Current assignee: WANG ON GROUP Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-02-18
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a 0+3 structure photoelectricity composite cable. The utility model discloses a composite cable includes: the cable comprises a cable core, two cable cores and an outer sheath, wherein the two cable cores are independently arranged; the optical cable core comprises optical fibers, a loose tube coated outside the optical fibers and fiber paste filled inside the loose tube; the cable core comprises a feeder line and an insulating sheath coated outside the feeder line; the optical cable cores and the cable cores are sequentially arranged next to each other; the outer sheath is coated on the outer sides of the optical cable core and the cable core; two reinforcing pieces are arranged in the outer sheath in parallel, are arranged on two sides of the optical cable core and the cable core and are arranged in a double-helix mode along the axial direction of the outer sheath. The utility model discloses a double helix sets up the reinforcement in the oversheath, can effectively improve the tensile strength of compound cable, can also reduce the diameter of compound cable, reduces the weight of compound cable to can effectively prevent the problem of the ageing fracture of oversheath.

Description

0+3 structure photoelectric composite cable

Technical Field

The utility model relates to a 0+3 structure photoelectricity composite cable belongs to communication transmission technical field.

Background

The photoelectric composite cable is structurally characterized in that optical cable cores are arranged among power transmission wire cores, and the photoelectric composite cable has the characteristic of performance that power and optical signals can be transmitted simultaneously. In addition, the temperature of the power wire core can be monitored by using the temperature-sensitive attenuation of the optical fiber. The application of the photoelectric composite cable is gradually expanded due to the technological progress, and the photoelectric composite cable is very suitable for large-span laying in the sea and land, building of rural access networks, equipment needing to provide power supply for a remote end and communication in special areas where the equipment is difficult to maintain. Meanwhile, the photoelectric composite cable is also very suitable to be used as a transmission medium to establish an access network, so that the network integration of telephone, data, television and electric power is realized.

The cable core of the photoelectric composite cable product mainly comprises a rubber-insulated optical cable and a power cable, and can ensure that when the photoelectric composite cable is applied to a jumper, only the sheath unit is stripped, and then the optical fibers in the optical unit are directly connected to corresponding optical fiber connectors in a cold connection mode. Present photoelectric composite cable is in order to improve tensile strength etc. generally all is equipped with central strengthening rib or fills the skeleton, but the quality of central strengthening rib or filling the skeleton is great, not only can cause the weight of whole product to increase, increases transportation and labour cost, can cause the diameter grow of whole composite cable, increases the construction degree of difficulty.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a 0+3 structure photoelectricity composite cable sets up the reinforcement in the oversheath through two spirals, can effectively improve composite cable's tensile strength on the one hand, and on the other hand can reduce composite cable's diameter, reduces composite cable's weight to through the reinforcement of two spiral settings in the oversheath, can also effectively prevent the problem of the ageing fracture of oversheath.

The utility model aims at providing a 0+3 structure photoelectricity composite cable, include: the cable comprises a cable core, two cable cores and an outer sheath, wherein the two cable cores are independently arranged; the optical cable core comprises optical fibers, a loose tube coated outside the optical fibers and fiber paste filled inside the loose tube; the cable core comprises a feeder line and an insulating sheath coated outside the feeder line; the optical cable cores and the cable cores are sequentially arranged in close proximity; the outer sheath is coated on the outer sides of the optical cable core and the cable core; the cable is characterized in that two reinforcing pieces are arranged in the outer sheath in parallel, the two reinforcing pieces are arranged on two sides of the optical cable core and the cable core, and the two reinforcing pieces are arranged in a double-helix manner along the axial direction of the outer sheath.

Furthermore, the inner side of the outer sheath is provided with a tearing rope, and the outer sheath is provided with a stress notch matched with the tearing rope.

Further, the stress notch is spirally arranged along the axial direction of the outer sheath, and the thread pitch is consistent with that of the reinforcing piece.

Further, the stress notch is arranged between the two reinforcing pieces.

Further, the reinforcing member is a steel wire rope.

Further, the outer sheath is a low-smoke halogen-free flame-retardant sheath. The low-smoke halogen-free flame-retardant sheath is resistant to ultraviolet rays, water and mildew, and resistant to environmental stress cracking; and no acid gas is released, the equipment in a machine room is not corroded, and the flame-retardant cable is suitable for indoor environments with high flame-retardant grade (such as wiring in a ceiling, open wiring and the like).

Further, the loose tube is prepared from polypropylene or nylon.

Further, the insulating sheath is prepared from polyethylene, polyvinyl chloride, chlorosulfonated polyethylene or polytetrafluoroethylene materials.

The utility model has the advantages that:

the utility model discloses a 0+3 structure photoelectricity composite cable through the reinforcement of two spirals setting in the oversheath, can effectively improve composite cable's tensile strength on the one hand, and on the other hand can reduce composite cable's diameter, reduces composite cable's weight to through the reinforcement of two spirals setting in the oversheath, can also effectively prevent the problem of the ageing fracture of oversheath.

Drawings

Fig. 1 is a schematic structural view of the 0+3 structured photoelectric composite cable of the present invention;

fig. 2 is a schematic structural view of the 0+3 structured photoelectric composite cable with a tear line of the present invention.

The optical fiber cable comprises 1 optical fiber, 2 optical fiber paste, 3 loose tubes, 4 feeder wires, 5 insulating sheaths, 6 outer sheaths, 7 reinforcing parts, 8 tear lines, 9 stress notches and the like.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Example 1:

combine the attached figure 1, the utility model discloses a 0+3 structure photoelectricity composite cable, include: the cable comprises a cable core, two independently arranged cable cores and an outer sheath 6; the optical cable core comprises an optical fiber 1, a loose tube 3 coated outside the optical fiber 1 and fiber paste 2 filled inside the loose tube 3; the cable core comprises a feeder line 4 and an insulating sheath 5 coated outside the feeder line 4; the optical cable cores and the cable cores are sequentially arranged next to each other; the outer sheath 6 is coated on the outer sides of the optical cable core and the cable core; two reinforcements 7 are arranged in parallel in the outer sheath 6, the two reinforcements 7 are arranged on two sides of the optical cable core and the cable core, and are arranged in a double-helix manner along the axial direction of the outer sheath 6.

As shown in fig. 2, the inner side of the outer sheath 6 of the utility model is provided with a tearing rope 8, and the outer sheath 6 is provided with a stress notch 9 matched with the tearing rope 8. The stress notch 9 is spirally arranged along the axial direction of the outer sheath 6, the thread pitch is consistent with that of the reinforcing pieces 7, and the stress notch 9 is arranged between the two reinforcing pieces 7.

The utility model discloses a reinforcement 7 is wire rope. The outer sheath 6 is a low-smoke halogen-free flame-retardant sheath. The low-smoke halogen-free flame-retardant sheath is resistant to ultraviolet rays, water and mildew, and resistant to environmental stress cracking; and no acid gas is released, the equipment in a machine room is not corroded, and the flame-retardant cable is suitable for indoor environments with high flame-retardant grade (such as wiring in a ceiling, open wiring and the like). The loose tube 3 is made of polypropylene or nylon. The insulating sheath 5 is made of polyethylene, polyvinyl chloride, chlorosulfonated polyethylene or polytetrafluoroethylene material.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A0 +3 structure photoelectric composite cable is characterized by comprising: the cable comprises a cable core, two cable cores and an outer sheath, wherein the two cable cores are independently arranged; the optical cable core comprises optical fibers, a loose tube coated outside the optical fibers and fiber paste filled inside the loose tube; the cable core comprises a feeder line and an insulating sheath coated outside the feeder line; the optical cable cores and the cable cores are sequentially arranged in close proximity; the outer sheath is coated on the outer sides of the optical cable core and the cable core; the cable is characterized in that two reinforcing pieces are arranged in the outer sheath in parallel, the two reinforcing pieces are arranged on two sides of the optical cable core and the cable core, and the two reinforcing pieces are arranged in a double-helix manner along the axial direction of the outer sheath.

2. The 0+3 structured photoelectric composite cable according to claim 1, wherein a tear cord is disposed inside the outer sheath, and the outer sheath has a stress notch for engaging with the tear cord.

3. The 0+3 structured photoelectric composite cable according to claim 2, wherein the stress notches are spirally formed along an axial direction of the outer sheath, and a pitch of the stress notches is identical to a pitch of the reinforcing member.

4. A 0+3 structured optical/electrical composite cable according to claim 2 wherein the stress relief is provided between two of the reinforcing members.

5. The 0+3 structured optoelectrical composite cable of claim 1, wherein the reinforcing member is a steel cord.

6. The 0+3 structured photoelectric composite cable according to claim 1, wherein the outer sheath is a low smoke zero halogen flame retardant sheath.

7. The 0+3 structured optical-electrical composite cable according to claim 1, wherein the loose tube is made of polypropylene or nylon.

8. The 0+3 structured photoelectric composite cable according to claim 1, wherein the insulating sheath is made of polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, or polytetrafluoroethylene.