The invention relates to an electromagnetic oven, in particular to a
cantilever type elastic flat-concave dual-purpose electromagnetic oven. A preparation method of the
cantilever type elastic flat-concave dual-purpose electromagnetic oven comprises the steps of forming a
cantilever type elastic structure by connecting an elastic sliding module with a middle
barrel, an inner
barrel and an outer
barrel, installing the cantilever type elastic structure between an upper shell and a lower shell, realizing the two states of an inner circle panel and an outer ring panel in combination with
electromagnetic coil panels installed on the cantilever type elastic structure as well as the up and down vertical sliding of the inner circle panel and the outer ring panel, wherein in one state, when a pan is used, all the panels are positioned in the same horizontal plane, and in the other state, when a round bottom pot is used, the cantilever type elastic structure bears the pressure and drives all the panels to be positioned in different horizontal planes, so that a reversed terraced field-shaped
concave surface is formed and clings to the bottom of the pot. Therefore, after the cantilever type elastic flat-concave dual-purpose electromagnetic oven is used, the pan and the round bottom pot can be used on the same stove at the same time; a
temperature sensing device is closely jointed with the bottom of the pan or the pot, so that the accurate temperature is sensed, and the
power consumption and
failure rate of the electromagnetic oven are effectively reduced. The cantilever type elastic flat-concave dual-purpose electromagnetic oven has the characteristics of being simple in structure, reasonable in design, energy-saving and
environmental protection, and meets the different using habits of Chinese people for cookware.