CN203465978U - Photoelectric composite power cable for intelligent power grid - Google Patents

Abstract

The utility model discloses a photoelectric composite power cable for a smart grid, which comprises an insulated wire core, an optical unit and a steel pipe unit, the optical unit is located inside the steel pipe unit, four insulated wire cores are arranged around the steel pipe unit, and the four insulated wire cores The mutual contact is distributed in a square, and the steel pipe unit is located in the gap between the four insulated wire cores; on the outside of the four insulated wire cores, a wrapping layer, an inner sheath layer, an armor layer and an outer sheath are arranged sequentially from the inside to the outside. The jacket layer; the optical unit includes an optical fiber unit and a non-woven fabric layer outside the optical fiber unit; the four insulated cores each include a conductor core and an insulating layer outside the conductor core. The utility model integrates optical fiber and electric power transmission and distribution, can effectively avoid the phenomenon of signal transmission attenuation caused by the extrusion of optical fiber units, and has strong impact resistance and lateral pressure resistance. Compared with traditional electric optical fibers, it can Save a lot of resources such as metals, pipes, plastics, etc., and effectively reduce production costs.

Description

Photoelectric composite power cable for smart grid

Technical field:

The utility model relates to a cable, in particular to a photoelectric composite power cable for a smart grid.

Background technique:

As the State Grid and China Southern Power Grid increase the construction of smart grids, in addition to vigorously building high-voltage and ultra-high-voltage large-capacity transmission lines for the backbone network, they will also promote power fiber-to-the-home at the user end, and cooperate with passive optical network technology to carry electricity. Information collection, two-way interaction of intelligent power consumption, multi-network integration and other services. The rapid development of smart grid has put forward new requirements for traditional optical cables and power transmission, and photoelectric composite cables as a smart

An important product in the construction of energy grid, which integrates optical fiber communication and power transmission, meets the needs of informatization, automation and interaction of smart grid, has strong advantages and wide application, and will provide safe and reliable protection.

The existing photoelectric composite cable is composed of an outer sheath, a twisted insulated core and an optical fiber unit arranged in the outer sheath. The optical fiber unit of this photoelectric composite cable is easily bent and squeezed during manufacture or use, causing the signal attenuation of the optical fiber to exceed the standard value, which affects the use of users.

Utility model content:

The technical problem to be solved by the utility model is to provide a photoelectric composite power cable for smart grids that can effectively avoid signal attenuation due to extrusion of optical fiber units.

The technical scheme that the utility model takes for solving the technical problem is:

A photoelectric composite power cable for a smart grid, including an insulated wire core, an optical unit and a steel pipe unit, the optical unit is located inside the steel pipe unit, and four insulated wire cores are arranged around the steel pipe unit, and the four insulated wire cores are connected to each other The contact is distributed in a square, and the steel pipe unit is located in the gap between the four insulated wire cores; on the outside of the four insulated wire cores, a wrapping layer, an inner sheath layer, and an armor layer are sequentially arranged from the inside to the outside. and outer sheath.

The optical unit includes an optical fiber unit and a non-woven fabric layer outside the optical fiber unit; each of the four insulated wire cores includes a conductor core and an insulation layer outside the conductor core.

Fillers are arranged between the steel pipe unit and the four insulated wire cores.

The positive beneficial effect of the utility model is as follows:

1. The optical fiber unit of the present invention is located inside the steel pipe unit, and the steel pipe unit is located in the gap between the four insulated wire cores, so it can avoid the occurrence of signal transmission attenuation caused by the extrusion of the optical fiber unit, and has strong impact resistance And lateral pressure resistance, strong environmental adaptability.

2. The utility model integrates optical fiber and power transmission and distribution, avoids secondary wiring, and can effectively reduce construction and network construction costs. Compared with the traditional power optical fiber, it can save a lot of metal, pipe, plastic and other resources, and effectively reduce the production cost.

3. The utility model has a simple structure and is convenient to manufacture, can effectively reduce various costs of community users, and has good practical value.

Description of drawings:

Figure 1 is a schematic structural view of the utility model.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

Referring to Fig. 1, a photoelectric composite power cable for smart grid includes an insulated wire core, an optical unit and a steel pipe unit 3, the optical unit is located inside the steel pipe unit 3, four insulated wire cores are arranged around the steel pipe unit 3, and the four insulated The wire cores are in contact with each other in a square distribution, and the steel pipe unit 3 is located in the gap between the four insulated wire cores; outside the four insulated wire cores, a wrapping layer 7, an inner sheath layer 8, and an armor Layer 9 and outer jacket layer 10. The optical unit includes an optical fiber unit 5 and a non-woven fabric layer 4 outside the optical fiber unit, and the four insulated cores each include a conductor core 2 and an insulating layer 1 outside the conductor core, between the steel pipe unit 3 and the four insulated cores Filling 6 is provided.

The optical fiber unit of the utility model is located inside the steel pipe unit, and the steel pipe unit is located in the gap between the four insulated wire cores, so it can avoid the signal transmission attenuation caused by the extrusion of the optical fiber unit, and has strong impact resistance and durability. Side pressure performance, strong environmental adaptability; and the utility model integrates optical fiber and power transmission and distribution, avoids secondary wiring, and can effectively reduce construction, network construction and other costs. Compared with the traditional power optical fiber, it can save a lot of metal, pipe, plastic and other resources, and effectively reduce the production cost.

Claims (3)

1. a used for intelligent electric network photoelectricity composite power cable, comprise insulated wire cores, light unit and steel pipe unit (3), it is characterized in that: described smooth unit is positioned at inside, steel pipe unit (3), in steel pipe unit (3), surrounding is provided with four insulated wire cores, described four insulated wire cores are in contact with one another and are square profile, the gap location of described steel pipe unit (3) between four insulated wire cores; In the outside of described four insulated wire cores, be disposed with from the inside to the outside lapping layer (7), inner restrictive coating (8), armour (9) and external sheath layer (10).

2. used for intelligent electric network photoelectricity composite power cable according to claim 1, is characterized in that: described smooth unit comprises the nonwoven layer (4) of fiber unit (5) and fiber unit (5) outside; Described four insulated wire cores include the insulating barrier (1) of conductor thread core (2) and conductor thread core (2) outside.

3. used for intelligent electric network photoelectricity composite power cable according to claim 2, is characterized in that: between described steel pipe unit (3) and four insulated wire cores, be provided with filler (6).

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