JPS59192815U

JPS59192815U - induction electrical equipment

Info

Publication number: JPS59192815U
Application number: JP8890783U
Authority: JP
Inventors: 真司安田
Original assignee: 三菱電機株式会社
Priority date: 1983-06-08
Filing date: 1983-06-08
Publication date: 1984-12-21

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 the drawing]

第１図ａは従来の磁気電気機器の概略構成を示す部分欠
截正面図、第１図すは第１図ａの部分欠截平面図、第１
図Ｃは第１図ａの側断面図、第２図ａは第１図ａに示す
磁気シールド部材中の通過磁束密度を示すグラフ図、第
２図すは第２図ａに対応する磁気シールド部材中の通過
磁束密度の分布図、第３図ａはこの考案に係る磁気電気
機器の概略構成を示す部分欠截正面図、第３図すは第３
図ａの部分欠截平面図、第３図Ｃは第３図ａの側断面図
、第４図ａは第３図ａに示す磁気シールド部材中の通過
磁束密度を示すグラフ図、第４図すは第４図ａに対応す
る磁気シールド部材中の通過磁束密度の分布図、第５図
はこの考案の重量低減効果説明図である。図において、１は鉄心、ｌａ、ｌｂ、ｌｃは鉄心脚、ｌ
ｄ、ｌｅは継鉄部、２ａ、２ｂ、２Ｃは巻線、２０１は
内側巻線、２０２は外側巻線、３は鉄心締付金具、４Ａ
、４Ｂは磁気シールド部材である。なお各図中同一符号は同一部分を示す。FIG. 1a is a partially cutaway front view showing the schematic configuration of a conventional magnetic electric device; FIG. 1 is a partially cutaway plan view of FIG.
Figure C is a side sectional view of Figure 1a, Figure 2a is a graph showing the magnetic flux density passing through the magnetic shield member shown in Figure 1a, and Figure 2 is a magnetic shield corresponding to Figure 2a. FIG. 3a is a distribution diagram of the magnetic flux density passing through the member, and FIG.
FIG. 3C is a side sectional view of FIG. 3A, FIG. 4A is a graph showing the magnetic flux density passing through the magnetic shield member shown in FIG. 3A, FIG. This is a distribution diagram of the magnetic flux density passing through the magnetic shielding member corresponding to FIG. 4a, and FIG. 5 is a diagram illustrating the weight reduction effect of this invention. In the figure, 1 is the core, la, lb, lc are the core legs, l
d, le are yoke parts, 2a, 2b, 2C are windings, 201 is inner winding, 202 is outer winding, 3 is iron core tightening metal fitting, 4A
, 4B is a magnetic shield member. Note that the same reference numerals in each figure indicate the same parts.

Claims

[Claims for Utility Model Registration] 1. An iron core comprising a plurality of iron core legs arranged in parallel and yoke parts installed at both ends of each of the plurality of iron core legs,
A winding wound around the core leg and a magnetic shielding member installed near both upper and lower end surfaces of the winding are provided, and the thickness of each portion of the magnetic shielding member is determined by the passing magnetic flux density. Inductive electrical equipment proportional to. 2. The winding is a three-phase winding, and the thickness of the magnetic shielding member is the thinnest on the outside of both outer windings of the three-phase winding, and the thickness of the magnetic shield member is thinnest on the outer side of both outer windings of the three-phase winding and the center winding. 2. The induction electric device according to claim 1, wherein the induction electric device is thickest at the boundary between the central winding and thinner at the center of the central winding. 3. The thickness of the magnetic shielding member is O at the outside of both outer windings of the three-phase winding, and O at the center of the central winding of the three-phase winding. The induction electric device according to claim 2, which is formed to have a thickness of 38 mm at the boundary with the central winding.