Optical unit direct guide down device for OPPC wire of 110 kV power supply circuit

A technology of power transmission lines and optical units, which is applied in the configuration of grounding wires, cable joints, optical components, etc., can solve the problems that OPPC cannot be popularized and used, and achieve high implementation reliability, ensure stability, high clamping force and The effect of bending resistance

Active Publication Date: 2015-01-21
POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, so far, OPPC for 110kV power transmission lines cannot be promoted and used in the power grid for a long time.

Method used

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  • Optical unit direct guide down device for OPPC wire of 110 kV power supply circuit
  • Optical unit direct guide down device for OPPC wire of 110 kV power supply circuit
  • Optical unit direct guide down device for OPPC wire of 110 kV power supply circuit

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Embodiment Construction

[0019] Such as Figure 1 to Figure 3 As shown, the optical unit direct lead-down device of the 110kV power transmission line OPPC wire of the present invention includes a separation sleeve 1, a sealing ring 2, a hollow bracket 3, a PE sheath 4, a steel washer 5 and a hollow bolt 6; the separation sleeve The pipe 1 is provided with a main through hole 1a adapted to the outer diameter of the OPPC cable 7 and a stepped hole 1b arranged parallel to the main through hole 1a. The stepped hole 1b is composed of a small-diameter hole located on the inside and a large-diameter hole located on the outside. The hole is connected to the middle of the main through hole 1a, the outer end of the large diameter hole is provided with an internal thread, the inner end of the main body of the PE sheath 4 is formed with an outwardly protruding flange head 4a, the sealing ring 2, The hollow bracket 3 and the flange head 4a are fit and installed in the large-diameter hole, the steel washer 5 and th...

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Abstract

The invention discloses an optical unit direct guide down device for an OPPC wire of a 110 kV power supply circuit. The device comprises a separation sleeve, a sealing ring, a hollow support, a PE protection cover, a steel gasket and a hollow bolt; a main through hole adapted to the outer diameter of the OPPC wire and a step hole formed in parallel with the main through hole are formed in the separation sleeve, the step hole is formed by a small diameter hole located in the inside and a large diameter hole located in the outside, the small diameter hole is communicated with the middle of the main through hole, the steel gasket presses a flange head, the hollow support and the sealing ring in the large diameter hole sequentially so that the sealing ring, the hollow support and the PE protection cover form a waterproof sealing cavity used for mounting an optical unit, the waterproof sealing cavity has high clamping force and excellent waterproof sealing performance on the optical unit led out of the OPPC wire, the implementation reliability is high, and requirements on borne wind power and swing amplitude competence when an optical unit of a 110 kV overhead line is guided down can be met.

Description

technical field [0001] The invention relates to a direct lead-down device for an optical unit of an OPPC wire of a 110kV power transmission line. Background technique [0002] Today's power grid is large in scale and complex in structure. Without the optical communication network, it can no longer function normally. Optical communication has become the mainstream of the power grid. The fiber channel coverage rate of 110kV and above power grids in our province has reached 100%. However, the optical channel of the power grid is mainly realized by optical fiber composite overhead ground wire (OPGW, Optical Power Grounding Wire). [0003] The disadvantage of OPGW optical communication is that all transmission towers must be grounded. Significantly increased the power loss of the transmission line. This is contrary to the sustainable development strategy of energy conservation and emission reduction. [0004] In the 1980s, the power grid began to try to use "Optical Phase C...

Claims

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Application Information

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IPC IPC(8): H02G7/22H02G15/18G02B6/44
CPCH02G15/18G02B6/44384
Inventor 梁炯光李杰程启诚林杨
Owner POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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