JP2008292010A5 - - Google Patents

Claims (4)

被加熱物を収納する加熱室と、被加熱物を加熱する蒸気を発生する蒸気発生装置と、前記蒸気発生装置で発生した蒸気を発熱体との熱交換により昇温する流体昇温装置とを備え、前記流体昇温装置により昇温された蒸気を前記加熱室内に供給して被加熱物を加熱調理する加熱調理器において、前記加熱室内の蒸気を前記流体昇温装置に導いて蒸気を循環させる送風機を設けるとともに、前記流体昇温装置は前記蒸気発生装置で発生した蒸気が流通する第１流体通路と前記加熱室から流出した蒸気が流通する第２流体通路とを有し、第２流体通路の圧力損失が第１流体通路の圧力損失よりも小さいことを特徴とする加熱調理器。   A heating chamber for storing an object to be heated; a steam generator for generating steam for heating the object to be heated; and a fluid temperature increasing device for heating the steam generated by the steam generator by heat exchange with a heating element. A heating cooker for heating and cooking the object to be heated by supplying the steam heated by the fluid heating device into the heating chamber, and circulating the steam by guiding the steam in the heating chamber to the fluid heating device The fluid temperature raising device includes a first fluid passage through which the steam generated by the steam generator flows, and a second fluid passage through which the steam flowing out of the heating chamber flows, and the second fluid A heating cooker characterized in that the pressure loss of the passage is smaller than the pressure loss of the first fluid passage. 前記発熱体は第１流体通路の壁面を形成するとともに第１流体通路内に複数の通路または曲折した通路を形成し、第２流体通路が前記壁面を介して第１流体通路に隣接することを特徴とする請求項１に記載の加熱調理器。   The heating element forms a wall surface of the first fluid passage and forms a plurality of passages or bent passages in the first fluid passage, and the second fluid passage is adjacent to the first fluid passage through the wall surface. The cooking device according to claim 1, wherein the cooking device is a cooking device. 前記流体昇温装置は、第１流体通路を形成する内筒と、前記内筒を囲んで前記内筒の周囲に第２流体通路を形成する外筒と、前記外筒の外側に巻回されるコイルとを備え、前記発熱体が前記コイルに対する高周波電圧の印加により電磁誘導加熱されることを特徴とする請求項１または請求項２に記載の加熱調理器。   The fluid temperature raising device is wound around an inner cylinder forming a first fluid passage, an outer cylinder surrounding the inner cylinder and forming a second fluid passage around the inner cylinder, and outside the outer cylinder. The heating cooker according to claim 1 or 2, wherein the heating element is electromagnetically heated by applying a high frequency voltage to the coil. 流体が流通する外筒と、前記外筒の外側に巻回されるコイルと、前記外筒内に配されるとともに前記コイルに高周波電圧を印加して電磁誘導加熱される内筒とを備え、前記外筒内及び前記内筒内を流通する流体を昇温する流体昇温装置において、前記内筒と前記外筒との間の圧力損失が前記内筒内の圧力損失よりも小さいことを特徴とする流体昇温装置。   An outer cylinder through which a fluid circulates, a coil wound around the outer cylinder, and an inner cylinder arranged in the outer cylinder and electromagnetically heated by applying a high frequency voltage to the coil, In the fluid temperature raising device for raising the temperature of the fluid flowing in the outer cylinder and the inner cylinder, the pressure loss between the inner cylinder and the outer cylinder is smaller than the pressure loss in the inner cylinder. A fluid temperature raising device.