MICROWAVE OVEN
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专利名称：MICROWAVE OVEN 发明人：UEHASHI HIROYUKI 申请号：J P 274 H 031374 25A 公开日：19910612
摘要：PURPOSE:To enrich the tastiness of a dish prepared by boiling by a method wherein heating of food is continued until a humidity sensor detects the boiling of the food and the detection of the boiling is followed by a constant- temperature control to maintain the temperature of the vessel at the point detected by an infrared sensor as the temperature of the vessel when the food is at the boil. CONSTITUTION:Since steam sharply increases when broth is at the boil, a standard value A is set as a value sufficient for detection of the boil of the broth. When a coefficient of variation with time DELTAVH surpasses the standard value A, the food is judged to be in the state of boil. Then a sensor output VI and a time (t) of an infrared sensor 1 are read. The value VI thus read is stored as a level set Vs for temperature-maintaining drive, and the time (t) then read as a time required To for the heating from the start to the detection of boil. Subsequently the microwave output is controlled by comparing the sensor outputs VI produced by the infrared senor 1 at specified intervals by way of sampling with the level set Vs for the temperature-maintaining drive. A constant-temperature control is performed on the basis of the level set Vs.
申请人：SANYO ELECTRIC CO LTD
更多信息请下载全文后查看
专利名称：MICROWAVE OVEN 发明人：UEHASHI HIROYUKI 申请号：J P 274 H 031374 25A 公开日：19910612
摘要：PURPOSE:To enrich the tastiness of a dish prepared by boiling by a method wherein heating of food is continued until a humidity sensor detects the boiling of the food and the detection of the boiling is followed by a constant- temperature control to maintain the temperature of the vessel at the point detected by an infrared sensor as the temperature of the vessel when the food is at the boil. CONSTITUTION:Since steam sharply increases when broth is at the boil, a standard value A is set as a value sufficient for detection of the boil of the broth. When a coefficient of variation with time DELTAVH surpasses the standard value A, the food is judged to be in the state of boil. Then a sensor output VI and a time (t) of an infrared sensor 1 are read. The value VI thus read is stored as a level set Vs for temperature-maintaining drive, and the time (t) then read as a time required To for the heating from the start to the detection of boil. Subsequently the microwave output is controlled by comparing the sensor outputs VI produced by the infrared senor 1 at specified intervals by way of sampling with the level set Vs for the temperature-maintaining drive. A constant-temperature control is performed on the basis of the level set Vs.
申请人：SANYO ELECTRIC CO LTD
更多信息请下载全文后查看