Split-type microwave oven

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Solution Overview

Problem

Integrated microwave ovens with either magnetron or semiconductor power sources have high integration, large volume, and weight, making them difficult to place and move on a kitchen stove.

Innovation Solution

A split-type microwave oven design featuring a detachable second housing assembly that allows the microwave-heating resonant cavity to be defined only when needed, reducing space occupation and improving kitchen space utilization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the microwave oven cavity, power source and electric power supply are integrated together, then the whole machine has high integration, but it results in large volume and weight, making it not easy to place and move the microwave oven on a kitchen stove

Engineering Contradiction:
Improveintegration degreeVSAvoidweight
Core Design Contradiction:
Device complexityVSWeight of moving object

Solution Approach 1:

The microwave oven is divided into two separate housing assemblies: a first housing assembly containing the microwave cavity and microwave source component, and a second housing assembly containing the power source and electric power supply. These assemblies can be used together for full functionality or separately for space-saving purposes.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If the microwave oven cavity, power source and electric power supply are integrated together, then the whole machine has high integration, but it results in large volume and weight, making it not easy to place and move the microwave oven on a kitchen stove

Engineering Contradiction:
Improveintegration degreeVSAvoidvolume
Core Design Contradiction:
Device complexityVSVolume of moving object

Solution Approach 1:

The microwave oven is divided into two separate housing assemblies: a first housing assembly containing the microwave cavity and microwave source component, and a second housing assembly containing the power source and electric power supply. These assemblies can be used together for full functionality or separately for space-saving purposes.

Inventive Principle:
Principle #1Segmentation

3Device complexity

If the microwave oven cavity, power source and electric power supply are integrated together, then the whole machine has high integration, but it makes it not easy to place and move the microwave oven on a kitchen stove

Engineering Contradiction:
Improveintegration degreeVSAvoidease of placement and movement
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The microwave oven is divided into two separate housing assemblies: a first housing assembly containing the microwave cavity and microwave source component, and a second housing assembly containing the power source and electric power supply. These assemblies can be used together for full functionality or separately for space-saving purposes.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system transitions from a static integrated structure to a dynamic modular configuration where the two housing assemblies can be combined or separated based on usage needs, providing flexibility in placement and movement.

Inventive Principle:
Principle #15Dynamics

4Volume of moving object

If a detachable second housing assembly is used to allow the microwave-heating resonant cavity to be defined only when needed, then space occupation is reduced and kitchen space utilization is improved, but the device structure becomes more complex

Engineering Contradiction:
Improvespace occupationVSAvoidstructure complexity
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The microwave oven is divided into two separate housing assemblies: a first housing assembly containing the microwave cavity and microwave source component, and a second housing assembly containing the power source and electric power supply. These assemblies can be used together for full functionality or separately for space-saving purposes.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The first housing assembly can function independently as a simple microwave cavity or combine with the second housing assembly to form a complete microwave oven, providing multiple usage modes and adapting to different space requirements.

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 split-type design allows for convenient use and space-saving, enabling easier placement and movement of the microwave oven while maintaining effective heating performance.

Implementation Method 1

a microwave source component (140), a power source (142) and an electric power supply (143) connected to each other

Methodology Applied
Scientific EffectMicrowave radiation: Microwave Radiation

Implementation Method 2

a microwave-heating resonant cavity (130) for heating food

Methodology Applied
Scientific EffectDielectric heating: Dielectric Heating

Data Source

PatentEP3236158B1Split-type microwave oven
Publication Date: 2019.07.10 GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
  • EP3236158B1 patent drawingFigure 1~2
  • EP3236158B1 patent drawingFigure 3
  • EP3236158B1 patent drawingFigure 4

AI summary

A split-type microwave oven (100) comprises a first housing assembly, a second housing assembly (120), a microwave source module (140), a microwave shielding and choking member (150), and a detection device that is used for detecting whether a wave leakage occurs in a microwave heating resonant cavity (130). The second housing assembly (120) is separably disposed on the first housing assembly. The first housing assembly is provided with a first microwave shielding member (110), the second housing assembly (120) is provided with a second microwave shielding member (121), and the first microwave shielding member (110) is suitable for defining, together with the second microwave shielding member (121), the microwave heating resonant cavity (130). The microwave source module (140) is installed on one of the first housing assembly and the second housing assembly (120). The microwave shielding and choking member (150) is located on the outer side of the microwave heating resonant cavity (130). The split-type microwave oven (100) occupies a small space and is convenient to use.