TWM495940U - Overhead conductor with intelligent carbon fiber composite cable core - Google Patents

Description

Intelligent carbon fiber composite cable core overhead wire

The present invention relates to a cable core, and particularly relates to a high-voltage intelligent carbon fiber composite cable core overhead conductor which is fully functional and is applied to long-distance transmission.

An overhead line is a transmission line that uses an insulator to secure a wire to a tower that is standing on the ground to transmit electrical energy. The main core of the existing overhead conductor is a steel core, but the steel core overhead conductor has the problems of low current carrying capacity, poor corrosion resistance, large unit weight and large energy consumption. In addition, with the development of smart grids, it is an inevitable development trend to monitor the transmission process, collect line data, and transmit data signals alongside overhead wires.

Purpose of creation: The purpose of this creation is to solve the shortcomings of the prior art, to provide a reasonable structural design, light weight, strong corrosion resistance, bearing capacity, low energy consumption, etc., and to instantly monitor the state of the cable and transmit data. High-voltage intelligent carbon fiber composite cable core overhead conductor for long-distance power transmission for safe operation of power systems

Technical solution: In order to achieve the purpose of this creation, this creation adopts the following technical solutions: The utility model relates to an intelligent carbon fiber composite cable core overhead conductor, which comprises: a carbon fiber composite core, a single conductor of aluminum conductor stranded on the outer side of the carbon fiber composite core and a measurement and control optical fiber embedded in the single-core of the carbon fiber composite core and/or the aluminum conductor.

Preferably, the intelligent carbon fiber composite cable core overhead wire described above is twisted with one to three layers of aluminum conductor single wires on the outer side of the carbon fiber composite core. The single-layer layer number of the aluminum conductor can be designed according to the actual power transmission requirement. As a more preferable technical solution, the shape of the single-wire cross section of the aluminum conductor is trapezoidal.

Preferably, in the above-mentioned intelligent carbon fiber composite cable core overhead wire, the carbon fiber composite core has one or more measurement and control fibers embedded therein. As a more preferable technical solution, a corresponding number of measurement and control optical fibers, such as 1 to 3, can be designed inside the carbon fiber composite core according to the specific requirements of the wire inspection.

As a preferred solution, the above-mentioned intelligent carbon fiber composite cable core overhead wire, the aluminum conductor single wire is embedded with more than one measurement and control fiber inside, as a more preferable technical solution, according to the specific requirements of the wire detection, it can be in aluminum A corresponding number of measurement and control fibers, such as 1 to 3, are designed inside the single conductor.

Preferably, the smart carbon fiber composite cable core overhead wire described above, the carbon fiber composite core and the aluminum conductor single wire are embedded with more than one measurement and control fiber inside, and can be inside the composite core and the aluminum conductor single wire according to actual needs. There are 1 to 3 measurement and control fibers embedded in the interior.

Preferably, the smart carbon fiber composite cable core overhead wire described above, the carbon fiber composite core and the aluminum conductor single wire are internally provided with a circular, elliptical, square, trapezoidal, polygonal or rectangular hole, and the measuring and controlling optical fiber Embedded in the hole.

Beneficial effects: The intelligent carbon fiber composite cable core overhead wire and the cable core preparation method thereof have the following advantages compared with the prior art: 1. Due to the use of carbon fiber composite material as the cable core, the weight is small, the energy consumption is low, and the overhead is The sag is small and the span is long, which can reduce the number of towers and save installation costs. Moreover, the carbon fiber composite cable core has much stronger corrosion resistance than the steel core, has a long service life, good safety performance, and is more environmentally friendly and energy-saving. 2. The measurement and control fiber is installed inside the composite core and/or the single wire of the aluminum conductor, which can instantly monitor the temperature and stress of the cable, and can also be used as a medium for transmitting data. It has comprehensive functions and can provide powerful power for safe operation of the power system. The protection and wide application range can overcome many shortcomings of the steel core overhead conductors in the prior art.

1‧‧‧carbon fiber composite core

2‧‧‧Aluminum conductor single wire

3‧‧‧Measurement fiber

Figure 1 is a schematic view showing the cross section of the first intelligent carbon fiber composite cable core overhead conductor.

Figure 2 is a schematic view showing the cross section of the second intelligent carbon fiber composite cable core overhead conductor.

Figure 3 is a schematic view showing the structure of a cross section of a third type of intelligent carbon fiber composite cable core overhead conductor.

The present invention will be further clarified below in conjunction with specific embodiments, and it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. Modifications of the various equivalents of the present invention are intended to be within the scope of the appended claims.

Embodiment 1 As shown in FIG. 1 , an intelligent carbon fiber composite cable core overhead wire comprises: a carbon fiber composite core 1 , a double aluminum conductor single wire 2 stranded on the outer side of the carbon fiber composite core 1 and embedded in the carbon fiber composite core 1 1 measurement and control fiber 3.

Embodiment 2 As shown in FIG. 2, an intelligent carbon fiber composite cable core overhead wire comprises: a carbon fiber composite core 1, a double aluminum conductor single wire 2 stranded outside the carbon fiber composite core 1, and embedded in a double aluminum conductor single wire 2 2 measuring and controlling optical fibers 3.

Embodiment 3 is as shown in FIG. 3, an intelligent carbon fiber composite cable core overhead wire, comprising: a carbon fiber composite core 1, a double aluminum conductor single wire 2 stranded on the outer side of the carbon fiber composite core 1, and respectively embedded in the fiber composite core 1 and Two measuring and controlling optical fibers 3 in a single wire 2 of a double aluminum conductor.

The inside of the carbon fiber composite core 1 and the aluminum conductor single wire 2 are each provided with a circular hole, and the measurement and control optical fiber 3 is embedded in the hole.

The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make some improvements and retouching without departing from the inventive principle, and these improvements and retouchings are also It should be considered as the scope of protection of this creation.

1‧‧‧carbon fiber composite core

2‧‧‧Aluminum conductor single wire

3‧‧‧Measurement fiber

Claims (6)

An intelligent carbon fiber composite cable core overhead conductor, characterized in that it comprises: a carbon fiber composite core, an aluminum conductor single wire stranded on the outer side of the carbon fiber composite core, and a measurement and control optical fiber embedded in the carbon fiber composite core and/or the aluminum conductor single wire. According to the intelligent carbon fiber composite cable core overhead wire according to claim 1, wherein the outer side of the carbon fiber composite core is twisted with one to three layers of aluminum conductor single wire. According to the intelligent carbon fiber composite cable core overhead wire described in claim 1, wherein the carbon fiber composite core is embedded with more than one measurement and control fiber. According to the intelligent carbon fiber composite cable core overhead wire described in claim 1, wherein one or more of the aluminum conductors are embedded with one or more measurement and control fibers. According to the intelligent carbon fiber composite cable core overhead wire described in claim 1, wherein the carbon fiber composite core and the aluminum conductor single wire are embedded with more than one measurement and control fiber inside. According to the intelligent carbon fiber composite cable core overhead wire according to claim 5, wherein the carbon fiber composite core and the aluminum conductor single wire are internally provided with circular, elliptical, square, trapezoidal or rectangular holes, and the measuring and controlling fiber Embedded in the hole.