Cooking Hob Window Joint for Precise Display Screen Positioning

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Solution Overview

Problem

Existing cooking hobs with display screens face challenges in precise positioning and fixing, leading to poor screen display quality due to non-rigid connections and movement issues, especially with high-resolution screens.

Innovation Solution

A cooking hob design incorporating a synthetic material joint with mechanical fixing means around the window and base hob, allowing precise positioning and fixing of the display screen in three spatial dimensions, using a C or L-shaped inner part for enhanced mechanical hold and including inserts, screws, or clips for secure attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a permanent elastic connection is used between the window and base hob, then flexibility and ease of assembly are improved, but positioning precision and fixing stability deteriorate

Engineering Contradiction:

Improveease of assemblyVSAvoidpositioning precision

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The joint is segmented into multiple functional parts: a first part integrating with the window, a second part integrating with the base hob, and an intermediate part providing mechanical fixing means. This segmentation allows each part to be optimized for its specific function while maintaining overall flexibility and precision.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The intermediate part of the joint acts as an intermediary element between the window and base hob, providing mechanical fixing means such as protrusions and recesses that enable precise positioning and stable fixing while maintaining the flexible nature of the synthetic material connection.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Device complexity

If no fixing means are provided for the screen, then device complexity is reduced, but screen positioning precision and display quality deteriorate

Engineering Contradiction:

Improvedevice complexityVSAvoidscreen positioning precision

Core Design Contradiction:

Device complexityVSManufacturing precision

Solution Approach 1:

The fixing means for the screen are merged into the joint structure itself. The intermediate part of the joint includes integrated mechanical fixing means that simultaneously serve to connect the window to the base hob and to fix the control/screen assembly, eliminating the need for separate fixing mechanisms.

Inventive Principle:

Principle #5Merging (Combining)

3Ease of operation

If the window connection is made non-rigid, then ease of assembly and thermal expansion accommodation are improved, but window stability and screen display quality deteriorate

Engineering Contradiction:

Improveease of assemblyVSAvoidwindow stability

Core Design Contradiction:

Ease of operationVSStability of the object's composition

Solution Approach 1:

The joint exhibits local quality differentiation: the synthetic material provides flexibility and thermal expansion accommodation in certain areas, while the intermediate part with mechanical fixing means provides localized rigidity and stability where needed for window positioning and screen fixing.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS10060633B2Cooking hob with window, cooking appliance, and process for manufacturing the hob

Publication Date: 2018.08.28 EUROKERA SOC & NOM COLLECTIF

AI summary

A cooking hob, or a ceramic hob, for a fixed or mobile cooking appliance, the hob including at least one cooking area and at least one control and/or information area, the control and/or information area being formed by a window separated from the cooking area by at least one joint made of synthetic material. The joint includes a mechanism for fixing a control and/or display screen under the window.