An electrically heated cooking hotplate has modular heating units comprising multiple resistance heaters stacked with insulating and conducting sheets

摘要

The modular unit (1,1') has outer electrically conducting plates (14,16) between which are stacked rectangular section resistance heaters (6,6',7,7') in one or more rows (4,4',5,5') with insulation (12) and interior conductors (8). Holes (22) allow for fixing to the hotplate underside.