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Electric rice cooker

A technology for electric rice cookers and electromagnetic induction coils, which is applied to heating devices, cooking utensils, household appliances, etc. It can solve the problems of rice cookers concentrating on the bottom and sides, burnt rice, and poor thermal conductivity, so as to maintain heating balance sexual effect

Active Publication Date: 2011-04-13
TIGER CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Like this, because the heat generation of the induction heating element corresponding to the central part of the electromagnetic induction coil is relatively large, the temperature of this part is too high, thereby causing the rice to burn, and the temperature of the electromagnetic induction coil is also too high. At the same time of hot temperature, the thermal conductivity is not good, so the temperature of the central sensor is far lower than the actual temperature, and it is easy to produce errors and other unfavorable situations when detecting the temperature
In addition, there will also be a bad situation where the rice crusts are concentrated on the bottom side.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0087] Figure 1 to Figure 4 The rice cooker according to the first embodiment of the present invention is shown.

[0088] This electric rice cooker comprises electric rice cooker body 1 and lid body 2, and the structure of aforementioned electric rice cooker body 1 is the double-layer structure that can accommodate inner container 3 for cooking in it, and has space part 4; 2. The upper opening of the rice cooker body 1 can be opened and closed, and a cover can be detachably attached to the opening.

[0089] The aforementioned electric rice cooker body 1 consists of a sheet metal casing 5 constituting the outer wall, a synthetic resin material bottom member 6 constituting the bottom wall, a synthetic resin material shoulder member 7 constituting the shoulder, and a synthetic resin material bottomed cylinder constituting the inner peripheral wall. Shaped protective cover 8 is formed, and the above-mentioned space portion 4 is formed by surrounding the outer shell 5 , the botto...

no. 2 example

[0107] Figure 5 The inner pot of the rice cooker which concerns on the 2nd Example of this invention is shown.

[0108] At this time, the induction heating elements 9A, 9B arranged at the bottom and the bending part of the inner tank 3 are composed of thick-walled parts 9Aa, 9Ba and thin-walled parts 9Ab, 9Bb using one sheet of silver paste. It consists of a plurality of holes (here, ellipses) arranged concentrically on the silver paste. In this case, two sheets of silver paste can be used for the thick portions 9Aa and 9Ba, and one sheet of silver paste can be used for the thin portions 9Ab and 9Bb. In addition, the shape of the hole is not limited to the shape of the hole in this embodiment.

[0109] The other structures and effects are the same as those of the first embodiment, so descriptions thereof are omitted.

no. 3 example

[0111] Image 6 The inner pot of the rice cooker which concerns on the 3rd Example of this invention is shown.

[0112] At this time, the bottom heating element 9A arranged on the inner container 3 is composed of two thick-walled parts 9Aa of silver paste and a thin-walled part 9Ab. Shaped arrangement of a plurality of) holes (circular in this case) constitute. Also, at this time, a sheet of silver paste can be used as the thick portion 9Aa, and a cut away silver paste can be used for the thin portion 9Ab. In addition, the shape and arrangement of the holes are not limited to those shown in this embodiment. Thereby, local boiling can be made and hot water can be greatly convected. Thereby, while being able to adjust heating unevenness, can make the center portion of cooked rice bulge, also can adjust convex hole (カニブ).

[0113] The other structures and effects are the same as those of the first embodiment, so descriptions thereof are omitted.

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Abstract

The present invention provides an electric rice cooker which comprises the following components: an electric rice cooker body (1) which detachably accommodates an internal pot (3) made of a non-metallic material; electromagnetic induction coils (15A),(15B) which are provided outside the internal pot (3). The internal pot (3) is provided with induction heating elements (9A), (9B) which generate electromagnetic induction through the electromagnetic induction coils (15A),(15B). Simultaneously, the side part of the internal pot (3) is provided with a side heating device (side heater (23)). The electromagnetic induction is generated through the electromagnetic induction coils (15A),(15B) so that the induction heating elements (9A), (9B) generate heat. Simultaneously, the internal pot (3) is heated through the side heating device (side heater (23)) which is provided at the side part of the internal pot (3). According to the invention, through realizing uniform heating to the bottom side and the bending part side of the internal pot, partial burning of cooked rice can be prevented.

Description

[0001] This application is a divisional application of the Chinese patent application whose application number is 200710088326.4, the application date is March 15, 2007, and the invention name is "electric rice cooker". technical field [0002] The invention relates to an electric rice cooker, in particular, to an electromagnetic induction electric rice cooker with an inner tank made of non-metallic material. Background technique [0003] Existing known electric rice cooker comprises: the electric rice cooker body that can accommodate the liner of metal material freely; the protective cover of the bladder; and the electromagnetic induction coil that generates electromagnetic induction in the aforementioned inner tank. [0004] In the electric rice cooker with the above-mentioned structure, the inner pot itself generates heat by the electromagnetic induction of the electromagnetic induction coil, and since it has excellent thermal conductivity and can realize uniform heating,...

Claims

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Application Information

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IPC IPC(8): A47J27/00A47J36/24H05B6/12
Inventor 藤原健二田窪博典井上友见森雅彦浅田义明北村信雄长谷川逸美
Owner TIGER CORPORATION
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