JPS6041028U

JPS6041028U - Electrostatic shielding body for oil-filled appliances

Info

Publication number: JPS6041028U
Application number: JP13182483U
Authority: JP
Inventors: 岡本　達生
Original assignee: 株式会社　富士電機総合研究所
Priority date: 1983-08-26
Filing date: 1983-08-26
Publication date: 1985-03-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の静電遮へい体を取り付けた油入電器の構
造図、第２図は本考案の実施例を示す静電遮へい体の構
造図、第３図は本考案の他の実施例を示す静電遮へい体
の断面図である。図において、１０・・・心材、１２・・・導電層、１３
・・・紙被覆層、１５．２５・・・給電リード、２０・
・・半導電性心材である。第１図第２図Figure 1 is a structural diagram of an oil-filled electrical appliance equipped with a conventional electrostatic shield, Figure 2 is a structural diagram of an electrostatic shield showing an embodiment of the present invention, and Figure 3 is another embodiment of the present invention. It is a sectional view of an electrostatic shield showing the. In the figure, 10... Core material, 12... Conductive layer, 13
... Paper covering layer, 15.25 ... Power supply lead, 20.
...It is a semiconductive core material. Figure 1 Figure 2

Claims

[Scope of utility model registration request]

(1) In an electrostatic shield provided at a corner of a grounded metal body or a corner of a winding inside an oil-filled electrical appliance, a core material with a uniform cross-sectional shape and flexibility and a core material that is closely attached to the outer peripheral surface of this core material. An oil characterized in that it has a conductive tape layer wound around the conductive tape layer, a paper coating layer formed on the surface of the conductive tape layer, and a power supply lead wire conductively bonded to the conductive tape layer.
Electrostatic shield for incoming equipment.

(2) Utility model registration The electrostatic shield for an oil-filled electrical appliance according to claim 1, characterized in that the core material is an oil-resistant rubber elastic body having a rounded shape in at least a part of its cross section. .

(3) Utility Model Registration The electrostatic shielding body for an oil-filled electrical appliance as set forth in claim 1, wherein the core material is a string-like body having a rounded shape at least in a part of its cross section.

(4) The electrostatic charge of an oil-filled electrical appliance according to claim 1 of the utility model registration claim, characterized in that the core material is semiconductive rubber or synthetic resin having at least a part of its cross section being rounded. shielding body.

(5) In the utility model registration claim 4, the electrostatic charge of the oil-filled electrical appliance is characterized in that a power supply lead wire made of a bare conductor is interposed over the entire length inside the semiconductive core material. shielding body.

(6) In the utility model registration claim described in any one of paragraphs 1 to 5, the conductive tape layer and the paper coating layer are a composite tape of an aluminum foil tape and a crepe paper tape, with a crepe paper tape on the outside. An electrostatic shielding body for an oil-filled electrical appliance, characterized in that it is formed by winding the shielding body.