JPS553580A - Food heater - Google Patents

Food heater

Info

Publication number
JPS553580A
JPS553580A JP7723078A JP7723078A JPS553580A JP S553580 A JPS553580 A JP S553580A JP 7723078 A JP7723078 A JP 7723078A JP 7723078 A JP7723078 A JP 7723078A JP S553580 A JPS553580 A JP S553580A
Authority
JP
Japan
Prior art keywords
heating
food
temperature
heat
outside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7723078A
Other languages
Japanese (ja)
Inventor
Koichi Hotta
Yukichi Yazawa
Kikuzo Morita
Hiroki Oshimi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Heating Appliances Co Ltd
Hitachi Netsu Kigu KK
Original Assignee
Hitachi Heating Appliances Co Ltd
Hitachi Netsu Kigu KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Heating Appliances Co Ltd, Hitachi Netsu Kigu KK filed Critical Hitachi Heating Appliances Co Ltd
Priority to JP7723078A priority Critical patent/JPS553580A/en
Publication of JPS553580A publication Critical patent/JPS553580A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Resistance Heating (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Electric Ovens (AREA)

Abstract

PURPOSE: To enable the selection of the order of rise in the temperature of the inside and outside of food, by switching on or off both or one of the positive and negative waves from heating units depending on the detection signals of the inside and outside temperatures of the food.
CONSTITUTION: An AC power source 1 is connected to the heating units. A door switch 3 is closed. An appropriate heating temperature T and an appropriate heat- retaining time t are indicated on a display unit 11. The order of scorching is selected. When a scorching switch 9-2 is pressed, information is read from a read-only memory of a microcomputer 7 to prepare for the energization of the heating units 4 in the order. When a heating start switch 9-1 is then pressed, an AC control element 2 is turned on by both the positive and negative waves of AC power to raise the surface temperature of the heating source unit 4 to start heating the outside of the food. When a scorching temperature TG is reached, the AC control element 2 is turned off through a turn-on/off circuit 17 to stop the operation of the heating unit 4 to put the outside of the food in a heat-retaining state. When a heat-retaining time tG has elapsed, the heating unit is turned on by a half wave of the AC power to start heating the inside of the food. When the inside temperature of the food has reached the level T, the inside of the food is put in a heat-retaining state.
COPYRIGHT: (C)1980,JPO&Japio
JP7723078A 1978-06-26 1978-06-26 Food heater Pending JPS553580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7723078A JPS553580A (en) 1978-06-26 1978-06-26 Food heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7723078A JPS553580A (en) 1978-06-26 1978-06-26 Food heater

Publications (1)

Publication Number Publication Date
JPS553580A true JPS553580A (en) 1980-01-11

Family

ID=13628048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7723078A Pending JPS553580A (en) 1978-06-26 1978-06-26 Food heater

Country Status (1)

Country Link
JP (1) JPS553580A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01319286A (en) * 1988-06-17 1989-12-25 Matsushita Electric Ind Co Ltd Temperature control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01319286A (en) * 1988-06-17 1989-12-25 Matsushita Electric Ind Co Ltd Temperature control device

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