JPS58148897U - induction heating coil - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はコイルめ使用状態を示す正面図イと側面図口、
第２図は従来のコイルを示すもので、第１図の■−■線
断面図、第３図は本考案の一実施例を示すもので、第２
図に対応する図である。 図中、１は巻線、２は鉄心、３は凸状脚部、７は硅素鋼
板、８は水冷銅板、１０は絶縁薄板である。尚図中、同
一符号は同一または相当する部分−を示す。Figure 1 shows the front view and side view of the coil in use.
Fig. 2 shows a conventional coil, a sectional view taken along the line ■-■ in Fig. 1, and Fig. 3 shows an embodiment of the present invention.
FIG. In the figure, 1 is a winding, 2 is an iron core, 3 is a convex leg, 7 is a silicon steel plate, 8 is a water-cooled copper plate, and 10 is an insulating thin plate. In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】 （１）凸状脚部を有する硅素鋼板を積層してなる鉄心、
この鉄心の凸状脚部の周囲に巻回され交番電流を印加さ
れる巻ｉ、前記鉄心の硅素鋼板積層方向に挾み込まれた
複数枚の水冷銅板、この水冷銅板間の約半分の位置にお
いて硅素鋼板積層中に挾み込まれた絶縁薄板を有し、か
つこれらを絶縁ボルトで積層方向に締め付けるものにお
いて、積層厚方向の両端部の水冷銅板に挾まれた区画内
の硅素鋼板積層部のみに、複数枚の絶縁薄板を挾み込ん
でいることを特徴とする誘導加熱用コイル。 （２）絶縁薄板は、マイカ板からなる実用新案登録請求
範囲第１項記載の誘導加熱用コイル。 （？）　　絶縁薄板は、耐熱性有機絶縁板ペーパからな
る実用新案登録請求範囲第１項記載の誘導加熱用コイル
。 （４）絶縁薄板は、該当部の硅素鋼板１枚の片面にセラ
ミックコーティングされた薄膜からなる実用新案登録請
求範囲第１項記載の誘導加熱用コイル。[Claims for Utility Model Registration] (1) An iron core made of laminated silicon steel plates having convex legs;
A winding i wound around the convex leg of the iron core to which an alternating current is applied; a plurality of water-cooled copper plates sandwiched in the direction of lamination of the silicon steel plates of the iron core; and a position approximately half way between the water-cooled copper plates. In a device that has insulating thin plates sandwiched between laminated silicon steel plates, and these are tightened in the lamination direction with insulating bolts, the laminated silicon steel plate part in a section sandwiched between water-cooled copper plates at both ends in the laminated thickness direction. An induction heating coil is characterized by having multiple insulating thin plates sandwiched between the coils. (2) The induction heating coil according to claim 1, wherein the thin insulating plate is a mica plate. (?) The induction heating coil according to claim 1, wherein the thin insulating plate is made of heat-resistant organic insulating paper. (4) The induction heating coil according to claim 1, wherein the insulating thin plate is a thin film coated with ceramic on one side of a silicon steel plate in the relevant part.