Electric Range Segmented Base Plate Design to Prevent Sagging

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing electric ranges face the issue of sagging base plates due to the weight of heating units, which affects the stability and heat distribution, and require additional support to prevent sagging and improve strength.

Innovation Solution

The use of multiple divided base plates with bent ends, either in a Z shape or inverse Z shape, and reinforcement beams to stabilize the base plates and prevent sagging, allowing for effective heat delivery and easy installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single base plate is used to support heating units, then the structure is simple, but the base plate sags due to the weight of the heating units

Engineering Contradiction:
Improvebase plate structureVSAvoidbase plate strength
Core Design Contradiction:
Device complexityVSStrength

Solution Approach 1:

The single base plate is divided into multiple base plates (first base plate, second base plate, third base plate, etc.) arranged side by side. Each base plate supports heating units independently, distributing the weight load and preventing sagging while maintaining overall structural simplicity.

Inventive Principle:
Principle #1Segmentation

2Strength

If multiple divided base plates are used to prevent sagging, then the base plate strength is improved, but the device complexity increases

Engineering Contradiction:
Improvebase plate strengthVSAvoidbase plate structure
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

Multiple base plates are arranged side by side to form a unified support structure that collectively supports the heating units. The base plates work together as an integrated system, providing enhanced strength without requiring complex individual components or additional support structures.

Inventive Principle:
Principle #5Merging (Combining)

3Strength

If reinforcement structures are added to prevent sagging, then the base plate strength is improved, but the manufacturing complexity increases

Engineering Contradiction:
Improvebase plate strengthVSAvoidbase plate manufacturing
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

Instead of manufacturing a single large base plate with complex reinforcement structures, the design segments the base plate into multiple simpler plates. Each plate has a straightforward structure that is easier to manufacture, and they are assembled together to achieve the required strength without complex reinforcement elements.

Inventive Principle:
Principle #1Segmentation

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 solution prevents sagging of the base plates, enhances the strength of the electric range without additional structural elements, and allows for a compact design that reduces noise interference and facilitates easier assembly.

Implementation Method 1

In a resistance heating method, electric current is supplied to a metallic resistance wire or a non-metallic heat generation element such as silicon carbide to generate heat

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

In an induction heating method, high-frequency power is supplied to a coil to generate a magnetic field around the coil, and eddy current produced in the generated magnetic field is used to heat an object to be heated made of a metallic material

Methodology Applied
Scientific EffectInduction heating: Induction Heating

Data Source

PatentEP3879929B1Electric range
Publication Date: 2023.08.23 LG ELECTRONICS INC
  • EP3879929B1 patent drawingFigure 1(a)~1(b)
  • EP3879929B1 patent drawingFigure 2
  • EP3879929B1 patent drawingFigure 3

AI summary

The present disclosure relates to an electric range. The electric range uses a plurality of base plates to prevent sagging of the base plates. In the electric range, at least one end of each of the plurality of base plates is bent to further prevent the sagging of the base plate.