Electric rice cooker

An electric rice cooker and pot lid technology, which is applied to special materials for cooking utensils, heating devices, cooking utensils, etc., can solve the problems of inaccurate detection, high cost, complex structure and processing, etc., to ensure uniformity and low cost. , the effect of simple structure

Inactive Publication Date: 2011-01-12
关国华
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of using this method is that it needs more other matching hardware parts, the cost is high, and the structure and processing are complicated. Secondly, because the temperature sensing part is set in the middle of the heating plate, the temperature detection is easily affected by the temperature of the heating plate, making the detection Inaccurate; again, due to the hole in the middle, the contact area between the bottom of the pot and the heating plate is reduced, thus affecting the use effect of the electric heating pot

Method used

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Embodiment Construction

[0037] Such as Figure 1-Figure 4 Shown is the schematic diagram of the contact surface between the bottom of the pot liner and the heating plate in the prior art when it is cold, at 100°C, 200°C, and 300°C. The distance between them is 0, and the distance between them is 0.1mm at 100°C, 0.5mm at 200°C, and 1mm at 300°C. It can be seen that when the composite pot bottom structure is not used, its Heating will be uneven.

[0038] Such as Figure 5 , Figure 6 , Figure 7 , Figure 8 as shown in figure 1 , figure 2 , image 3 As shown, the electric rice cooker adopting the bottom of the single-layer stainless steel pot liner of the present invention includes a pot cover (not shown in the figure), a shell, a pot liner 1, an inner cover 2, an inner cover chassis 3 and being arranged on the inner cover chassis The heating plate 4, the control circuit, the pot liner 1 is a stainless steel single-layer structure, the bottom of the heating plate is provided with three or more s...

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Abstract

The invention relates to an electric rice cooker, which comprises a shell, a boiler cover, a boiler liner, a heating plate and a temperature detection and control device for an electric heating boiler, wherein the boiler liner is arranged on the upper part of the heating plate. The electric rice cooker is characterized in that the boiler liner has a stainless steel single-layer structure; and theradius of the contact surface of the bottom of the boiler liner and the heating plate is 3 to 30 percent larger than that of the heating plate. The temperature detection and control device of the electric heating boiler consists of a heat sensitive element connected with a control circuit of the electric heating boiler, and the heat sensitive element is fixed on the heating plate and direct temperature sensing to the heating plate is adopted to further achieve the control of the electric heating boiler. The structure is simple, the production cost is low and safety factor is high, and the invention is applicable to the electric rice boiler and other electric heating boilers.

Description

[0001] This application is a divisional application for an invention patent application with the original application number of 2007101277191, the application date of June 21, 2007, and the invention and creation name of an electric pressure cooker and an electric rice cooker. technical field [0002] The invention relates to the technical field of electric heating pots, and more specifically relates to the improvement technology of electric heating pots such as electric pressure cookers and electric rice cookers. Background technique [0003] Traditional electric pressure cookers and electric rice cookers are generally equipped with a pot liner on the upper part of the electric heating plate. The pot liner is generally made of aluminum material, and the inner surface of the pot liner is coated with non-stick materials. Since non-stick coatings such as Teflon Dragon can be decomposed above 260°C to produce carcinogenic toxic substances, which is not conducive to people's heal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47J27/00A47J36/02A47J36/24
Inventor 关国华
Owner 关国华
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