JPH02146797U

JPH02146797U -

Info

Publication number: JPH02146797U
Application number: JP5739589U
Authority: JP
Priority date: 1989-05-18
Filing date: 1989-05-18
Publication date: 1990-12-13

Description

[Brief explanation of drawings]

第１図は本考案の一実施例による昇圧トランス
の外観図、第２図は本考案の一実施例によるコア
下の外観図であり、第３図は高周波電源の高周波
加熱装置の一般回路図の一例である。６……昇圧トランス、６ｄ……コア上、６ｅ…
…コア下、６ｆ……凹部、１４……接着剤、１４
……ギヤツプ紙。 Fig. 1 is an external view of a step-up transformer according to an embodiment of the present invention, Fig. 2 is an external view of the bottom of the core according to an embodiment of the present invention, and Fig. 3 is a general circuit diagram of a high-frequency heating device for a high-frequency power supply. This is an example. 6... Step-up transformer, 6d... On core, 6e...
... Core bottom, 6f ... Recessed part, 14 ... Adhesive, 14
... Gap paper.

Claims

[Scope of utility model registration request]

A frequency converter 10 that operates at a frequency higher than the commercial frequency is connected to the primary winding 6 of the step-up transformer 6 in FIG.
a, the high-voltage secondary winding 6b is connected to the anode of the magnetron 13 via a rectifier circuit consisting of a high-voltage rectifying element 11 and a high-voltage capacitor element 12, and the heater winding 6c is connected to the heater filament of the magnetron 13. Primary winding 6a and high voltage 2
The next winding 6b and the heater winding 6c are inductively coupled to each other by an upper core 6d and a lower core 6e which electromagnetically form a closed circuit, and a recess 6f is provided at the joint where the upper core 6d and the lower core 6e meet. , above the core 6d
A gap is provided by inserting a gap paper 15 into the joint between the upper core 6d and the lower core 6e, and adhesive 14 is applied to the abutting area between the upper core 6d and the lower core 6e, which are formed through this gap. Features of high frequency heating equipment.