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1. (WO2017154712) HIGH FREQUENCY HEATING DEVICE

Pub. No.:    WO/2017/154712    International Application No.:    PCT/JP2017/008210
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: H05B 6/76
F24C 7/02
Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
パナソニックIPマネジメント株式会社
Inventors: KUNIMOTO Keijirou
國本 啓次郎
HOSOKAWA Daisuke
細川 大介
OOMORI Yoshiharu
大森 義治
Title: HIGH FREQUENCY HEATING DEVICE
Abstract:
The high frequency heating device according to the present invention comprises: a heating chamber (3) having an open portion (4) on the front surface and housing an object to be heated; a high frequency wave generation unit (11) supplying high frequency waves to the heating chamber, thereby heating the object to be heated; and a door (5) covering the open portion in an openable manner, and having a radio wave seal portion (30) at a location facing a peripheral edge surface (6) of the open portion. The radio wave seal portion comprises an open hole (31) formed at a location facing the peripheral edge surface of the open portion, and a choke groove (32) curving relative to the open hole toward the heating chamber. The choke groove is formed from a plurality of conductors (33, 34) which have been joined. In the vicinity of a joining portion (35) where the plurality of conductors are joined, the plurality of conductors have a first conductor comprising a protruding portion (36) protruding toward the back of the heating chamber. A space (74) on the reverse surface side of the protruding portion constitutes a portion of the choke groove.