A combined coat lightning arrester
A lightning arrester and combined technology, applied in overvoltage arresters, electrical components, spark gaps, etc. that use spark gaps, can solve the problems of insufficient mechanical strength, inconvenient installation and transportation, poor pollution resistance, etc., and achieve light weight, Easy assembly and good mechanical strength
Inactive Publication Date: 2008-02-20
西安电瓷研究所有限公司
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Problems solved by technology
[0003] The present invention provides a combined jacket arrester, which not only overcomes the problems of large volume, heavy weight, inconvenient installation and transportation, and poor pollution resistance of the all-ceramic jacket arrester, but also overcomes the mechanical strength of the all-composite jacket arrester. less than ideal problem
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[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0016] Referring to the accompanying drawings, the present invention includes several sections of arrester units. Each lightning arrester unit includes an insulating jacket and flanges 4 at both ends. The insulating jacket has two layers. The rough surface, the adhesive layer 2 is between the rough surface of the outer wall of the insulating cylinder 3 and the umbrella cover 1 of the silicone rubber composite material. The insulating cylinder 3 and the flange 4 are connected by glue-fitting, and the glue-fitting process adopted is the same as the glue-fitting process of all-ceramic.
[0017] During manufacture, the insulating cylinder 3 of porcelain material can be processed first, the surface of the insulating cylinder 3 is a rough surface, and then an adhesive is applied on the rough surface to form an adhesive layer 2, and finally the umbrella cover 1 of the sili...
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The utility model relates to a combined cover lightning arrester, belonging to the field of power transmission and transformation protecting equipment, which is designed to solve the problems of large scale, heavy weight, inconvenient carrying, poor performance of the contamination resistance and non ideal mechanical strength in the prior art. The technical proposal is that: the combined cover lightning arrester comprises one or more than one arrester units, the arrester unit is provided with an insulated cover and a flange. The utility model is characterized in that: the insulating cover has a two-layer construction, the inner layer is an insulated cylinder made from a ceramic material, and the outer layer is a shield made from an organic composite material; the outer wall of the insulated cylinder has a rough surface, an adhesive coat is arranged between the rough surface of the outer wall of the insulated cylinder and the shield. The utility model has the advantages of small scale, light weight, high mechanical strength, high performance of the hydrophobicity and contamination resistance, stable electrical performance and wide application range.
Description
Technical field: [0001] The invention relates to the technical field of protection equipment for power transmission and transformation, in particular to a combined jacket arrester. Background technique: [0002] At present, there are two common types of arresters at home and abroad: all-ceramic jacket arresters and all-composite jacket arresters. These two kinds of arresters have their own shortcomings: all-ceramic jacket arresters have large volume, heavy weight, inconvenient installation and transportation, and pollution resistance. The problem of poor performance; and the full-composite jacket arrester has the problem that the mechanical strength is not ideal. These two problems are not very prominent under low-level voltage conditions, but their use under higher-level voltage conditions will seriously affect their performance and restrict the increase in voltage levels. Invention content: [0003] The present invention provides a combined jacket arrester, which not on...
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IPC IPC(8): H01T4/00
Inventor 王新霞朱斌党镇平何计谋
Owner 西安电瓷研究所有限公司