Modular Cooking Pad with Integrated Electronics for Hob Adaptability

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing underlay devices for cooking systems lack flexibility and compatibility with various hobs and cooking utensils, often requiring specific positioning and energy supply methods, which limits their adaptability and user convenience.

Innovation Solution

A modular underlay device with a separate, flexible underlay unit and integrated electronics that includes a positioning system, temperature sensor, and energy reception unit, allowing for independent operation and compatibility with different hobs and cooking utensils, featuring a heat-insulating material and contactless energy reception.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the underlay device is integrated with the hob control unit, then the control functionality is unified, but the flexibility and adaptability to different hobs and cooking utensils is reduced

Engineering Contradiction:
ImproveflexibilityVSAvoidintegration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The underlay device is divided into separate functional modules: the underlay unit with thermal insulation properties, the electronics unit with control circuitry, and the positioning unit with sensors. This segmentation allows each module to be optimized independently while maintaining overall flexibility and adaptability to different hob configurations and cooking utensils.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the underlay device requires specific positioning on the mounting plate, then the heating efficiency is optimized, but the ease of operation and user convenience is reduced

Engineering Contradiction:
Improveuser convenienceVSAvoidpositioning precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The positioning unit automatically detects the position of the cooking utensil and adjusts the heating zone accordingly without requiring manual intervention from the user. The system self-calibrates by detecting the utensil's location, size, and material properties, thereby eliminating the need for precise manual positioning while maintaining heating efficiency.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Manual positioning mechanisms are replaced with electronic sensors and automated control systems. The positioning unit uses optical or electromagnetic sensors to detect the cooking utensil's position and automatically adjusts the heating elements, replacing mechanical positioning requirements with electronic detection and control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of repair

If the electronics unit is integrated into the underlay unit, then the device structure is simplified, but the ease of repair and maintenance is reduced

Engineering Contradiction:
Improvemaintenance accessibilityVSAvoidstructural simplicity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The electronics unit is designed as a separate, removable module from the underlay unit, allowing independent access, repair, or replacement of electronic components without disassembling the entire device. This modular architecture maintains structural simplicity while significantly improving maintenance accessibility.

Inventive Principle:
Principle #1Segmentation

4Adaptability or versatility

If traditional energy supply methods are used, then the device structure is simple, but the adaptability to different cooking systems and user convenience is reduced

Engineering Contradiction:
ImprovecompatibilityVSAvoidenergy supply system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The energy supply system is designed to accept multiple energy input methods including wired electrical connections, wireless inductive charging, and battery power. This multi-functional energy interface allows the underlay device to be compatible with different cooking systems and power sources, enhancing versatility without significantly increasing overall device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

The solution provides high flexibility and comfort by enabling the underlay device to be positioned freely, preventing heat transfer to the mounting plate, ensuring safe and efficient cooking with various utensils, and eliminating the need for battery replacement, while maintaining a durable and environmentally friendly design.

Implementation Method 1

The underlay device (10) has a receiving unit (34), which is provided for contactless receiving of energy, in particular electromagnetic energy. The receiving unit (34) is provided for supplying energy to at least part of the electronics unit (18).

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

The underlay device is provided with an underlay unit (12), which is intended to be positioned between a mounting plate (14) and a cooking utensil (16).

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP3391708B2Pad device
Publication Date: 2022.08.17 BSH HAUSGERATE GMBH
  • EP3391708B2 patent drawingFigure 1~2
  • EP3391708B2 patent drawingFigure 3~4

AI summary

The invention relates to a pad device (10) comprising at least one pad unit (12) that is to be placed at least in part between a mounting plate (14) and a heated cooking vessel (16) in at least one heating operating mode. In order to provide a generic device having improved properties in respect of great flexibility, according to the invention, the pad device (10) includes an electronic unit (18) which is to provide at least one function in at least one operating mode.