Title:
COMPOSITE INSULATOR AND METHOD FOR MANUFACTURING SAME, AND COMPOSITE CASING
Document Type and Number:
WIPO Patent Application WO/2019/105126
Kind Code:
A1
Abstract:
Disclosed is a composite insulator, comprising an insulating tube and an umbrella skirt coating the outside of said insulating tube; the insulating tube comprises a first winding layer, a first semiconductor material layer, and a second winding layer; said first winding layer is away from the umbrella skirt; the first semiconductor material layer is located between the first winding layer and the second winding layer and is located on part of the cross-section of the outer side of the first winding layer. Also disclosed are a method for manufacturing a composite insulator and a composite bushing. In such a manner, the semiconductor material layer is arranged inside the insulating pipe, thus improving the interference of an electric field on a composite insulator, improving the local electric field distribution, alleviating electric field concentration, preventing the surface of the umbrella skirt from discharging and being galvanically corroded, and preventing reduction in the service life of an insulating tube after long-term use; the composite insulator may be applied to post insulators, composite bushings, or other high-voltage electrical equipment.
Inventors:
MA BIN (CN)
FANG JIANG (CN)
FANG JIANG (CN)
Application Number:
PCT/CN2018/108773
Publication Date:
June 06, 2019
Filing Date:
September 29, 2018
Export Citation:
Assignee:
JIANGSU SHEMAR ELECTRIC CO LTD (CN)
International Classes:
H01B17/14; H01B17/58; H01B17/60; H01B17/64; H01B19/00
Foreign References:
| CN207718954U | 2018-08-10 | |||
| CN105469958A | 2016-04-06 | |||
| CN105590706A | 2016-05-18 | |||
| CN1881485A | 2006-12-20 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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