JP2010119674A5 - - Google Patents

Claims (6)

Provided in the exterior body so as to cover the outer peripheral portion of the inner pot and the bottom of the heating plate, the outer body in which the inner pot of the upper end opening is disposed, the heating plate disposed so as to contact the bottom of the inner pot And a heating device comprising
The heating plate has a connection terminal at both ends of a heater arranged inside, and the connection terminal protrudes from the through hole of the housing portion toward the bottom of the exterior body,
The outer peripheral portion of the accommodating portion, the lower end is positioned below the heater of the heating plate, and so as to be positioned above the said connection terminals, the cross-sectional hot wall is provided, the heat insulating wall lower end and the outer A heating apparatus, wherein a ventilation gap is provided between the bottom of the body and a plurality of ventilation holes are provided in the bottom of the exterior body so as to cause convection in the inside and outside air.   2. The heating apparatus according to claim 1, wherein the heat insulating wall is formed of a separate heat insulating member having low thermal conductivity, and a rib that supports a lower end of the heat insulating member is provided on a bottom of the exterior body. . The heating device according to claim 2, wherein a wall portion that covers an upper side of an outer peripheral portion of the heat insulating member is provided on the exterior body.   Among the many vent holes, an intake vent hole having a larger opening area than the other vent holes is provided, and the intake vent hole is provided so as to be located outside the heat insulating wall in a plan view. The heating apparatus according to any one of claims 1 to 3.   The heating apparatus according to claim 4, wherein a control board for controlling the heating plate is disposed above the intake vent hole.   The said heating plate is provided with the sealing part for positioning the said connection terminal, and provided the notch part in the said heat insulation wall so that it might correspond to the side of this sealing part. The heating apparatus according to any one of 5.