Induction Cooker Support Body Ferrite Positioning
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Solution Overview
Problem
Existing induction-heating cookers face challenges in arranging ferrites with high density below the heating coil without increasing manufacturing costs or reducing the flexibility of ferrite and other component arrangements.
Innovation Solution
The use of a support body with protruding parts allows for direct positioning of ferrites, eliminating the need for a ferrite holding member, enabling high-density ferrite arrangement while maintaining flexibility and reducing manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If ferrites are arranged with high density below the heating coil, then heating efficiency is improved, but the shape of the ferrite holding member becomes complicated and manufacturing cost increases
Solution Approach 1:
The patent merges the ferrite holding function with the support body by integrating protrusions directly into the support structure. This eliminates the separate ferrite holding member and reduces overall device complexity while maintaining high-density ferrite arrangement for improved heating efficiency.
Solution Approach 2:
The support body is designed to serve multiple functions: it provides structural support, positions the heating coil, and includes protrusions that hold the ferrites. This multi-functionality eliminates the need for dedicated ferrite holding members, reducing manufacturing cost and complexity.
2Loss of energy
If ferrites are arranged with high density below the heating coil, then magnetic flux gathering is improved, but the volume of resin material for the ferrite holding member increases
Solution Approach 1:
The patent combines the ferrite positioning function with the support body structure itself. The protrusions are formed as integral parts of the support body, eliminating the need for separate resin holding members and reducing overall volume while maintaining high-density ferrite arrangement for effective magnetic flux gathering.
3Stability of the object's composition
If a ferrite holding member is used to collectively hold ferrites, then ferrite positioning is achieved, but manufacturing cost increases and flexibility of arrangement decreases
Solution Approach 1:
The patent integrates the ferrite positioning function directly into the support body through protrusions. This eliminates the need for separate ferrite holding members, reducing manufacturing cost and simplifying the overall structure while maintaining stable ferrite positioning.
Solution Approach 2:
The support body serves multiple purposes: structural support, heating coil mounting, and ferrite positioning through its protrusions. This multi-functional design reduces the number of components, lowering manufacturing cost and increasing arrangement flexibility.
4Stability of the object's composition
If a ferrite holding member is used, then ferrites are collectively held, but the flexibility of arranging other components below the heating coil is reduced
Solution Approach 1:
The patent merges the ferrite holding function with the support body, eliminating the separate ferrite holding member. This integration frees up space and increases flexibility for arranging other components below the heating coil while maintaining stable ferrite positioning through the protrusions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enhances heating efficiency by concentrating magnetic flux and reduces manufacturing costs by eliminating the need for a ferrite holding member, while maintaining flexibility in component arrangement.
Implementation Method 1
an induction-heating cooker that induction-heats a cooking container, using a heating coil
Implementation Method 2
heating coil 3 to be placed on the insulation plate 5
Implementation Method 3
plural ferrites 2, a resin-made ferrite holding member 4 with the plural ferrites 2 fitted therein
Implementation Method 4
gather much magnetic flux (suppress expansion of magnetic flux) by the ferrite 2, reducing the magnetic flux crossing the support body 1
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An induction-heating cooker 10 has a heating coil 16, an insulation plate 18 on which the heating coil 16 is placed, a ferrite 20 on which the insulation plate 18 is placed, and a support body 22 on which the ferrite 20 is placed and that is made of a nonmagnetic metal material. The support body 22 has an uneven part 22b for positioning the ferrite 20 to be placed on an upper surface 22a of the support body 22 with respect to the support body 22.