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Energy-feed composite anti-galloping energy dissipation spacer

A composite, anti-galling technology, which is applied in mechanical vibration attenuation devices, devices for maintaining the distance between parallel conductors, installation of cables, etc., to achieve the effect of improving the time lag problem, obvious effect, and good vibration reduction effect

Active Publication Date: 2019-04-19
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventor believes that the vibration reduction control applied to the anti-galling of transmission lines in actual engineering is mostly passive control; considering the uncertainty and randomness of environmental conditions and loads, passive control has certain limitations

Method used

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  • Energy-feed composite anti-galloping energy dissipation spacer
  • Energy-feed composite anti-galloping energy dissipation spacer
  • Energy-feed composite anti-galloping energy dissipation spacer

Examples

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Embodiment Construction

[0020] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0021] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0022] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present i...

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Abstract

The invention discloses an energy-feed composite anti-galloping energy dissipation spacer comprising a body, wherein a cavity is formed inside the body; an excitation coil is mounted on the inner sideof the body; a metal clamp is arranged on the outer side of the body; a first insulating layer is arranged between the excitation coil and the body for insulation; a ring barrel filled with a magnetorheological fluid is arranged in the inner ring of the excitation coil; a metal ball which can roll in the ring barrel is arranged in the ring barrel; a plurality of piezoelectric generating units areinstalled at intervals on the inner ring of the ring barrel along the circumferential direction; pressure sensors is disposed at the two ends of each piezoelectric generating unit; the piezoelectricgenerating unit is connected in series with an electric energy extraction and storage unit, a controller and the excitation coil to form a closed loop; the inner ring of each piezoelectric generatingunit is provided with a second insulating layer; and an electromagnetic particle vibration absorption body is disposed on the inner side of the second insulating layer.

Description

technical field [0001] The invention relates to vibration reduction technology for power equipment and transmission lines, in particular to an energy-feeding composite type anti-galling energy-consuming spacer. Background technique [0002] With the rapid development of economy and industry, my country's social development has rapidly increased the demand for electric energy, and electric energy has become a necessity for social development. At present, the conductors in the transmission lines are mostly split, and when the conductors are unevenly covered with ice along the circumference and subjected to lateral winds, low-frequency, large-scale self-excited vibrations occur, that is, transmission line galloping. Line galloping will cause line tripping, which will cause electrical failure. In addition, it will cause damage to fittings, insulators, and jumpers, broken wires, broken wires, damage to tower materials and foundations, and serious mechanical damage such as loose b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/12H02G7/14
CPCH02G7/125H02G7/14
Inventor 田利付朝阳刘俊才
Owner SHANDONG UNIV
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