JPS6019195U - High frequency heating device - 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) [Abstract] 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図は禾考案の高周波加熱装置の一実施例を示す回路
図、第２図は同装置の正面斜視図、第３図は同装置の縦
断面図である。 ２・・・・・・昇圧トランス、８・・・・・・スイッチ
ンク゛素子、９・・・・・・共振コンデンサ、１２・・
・・・・誘導加熱コイル、１５・・・・・・開閉扉。 第２図　− 第３図FIG. 1 is a circuit diagram showing an embodiment of the high-frequency heating device devised by He, FIG. 2 is a front perspective view of the device, and FIG. 3 is a longitudinal sectional view of the device. 2...Step-up transformer, 8...Switching element, 9...Resonance capacitor, 12...
...Induction heating coil, 15...Opening/closing door. Figure 2 - Figure 3

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 加熱室に高周波電波を給電するマグネトロン、このマグ
ネトロンに高電圧を印加する昇圧トランス、この昇圧ト
ランスの１次側と切換えスイッチを介して切換えられる
誘導加熱コイル、前記昇圧トランスの１次側又は誘導加
熱コイルに接続され共振回路を構成する共振コンデンサ
を備え、前記昇圧トランスの１次側及び誘導加熱コイル
を夫々、整流器とコンデンサにより単一方向に形成した
電源に、スイッチング素子と直列に接続し、前記昇圧ト
ランスの１次側回路のインダクタンスと前記誘導加熱コ
イルのインダクタンスをはダ同−値にするとともに、前
記誘導加熱コイルを加熱室開口を開閉する開閉扉の内面
に設けた高周波加熱装置。A magnetron that supplies high-frequency radio waves to the heating chamber, a step-up transformer that applies high voltage to this magnetron, an induction heating coil that is switched to the primary side of this step-up transformer via a changeover switch, and the primary side of the step-up transformer or induction heating. a resonant capacitor connected to the coil to form a resonant circuit; the primary side of the step-up transformer and the induction heating coil are each connected in series with a switching element to a power source formed in a single direction by a rectifier and a capacitor; A high-frequency heating device in which the inductance of a primary circuit of a step-up transformer and the inductance of the induction heating coil are set to the same value, and the induction heating coil is provided on the inner surface of an opening/closing door that opens and closes an opening of a heating chamber.