Refrigerator Modular Cooling Assembly for Easy Evaporator Maintenance

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Solution Overview

Problem

Current refrigerator designs require disassembly of the cabinet for maintenance or repair of the cold air supply system, making it difficult and time-consuming to test cooling performance and perform maintenance.

Innovation Solution

A refrigerator with a detachable cooling module that includes the evaporator, condenser, and compressor, allowing for easy access and maintenance, and a duct module that can be separated through a storeroom for efficient repair and maintenance without disassembling the cabinet.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of repair

If the cabinet is disassembled for maintenance or repair of the cold air supply system, then the evaporator and other components can be accessed, but the maintenance process becomes time-consuming and complex

Engineering Contradiction:
Improveaccessibility of evaporatorVSAvoidmaintenance time
Core Design Contradiction:
Ease of repairVSLoss of time

Solution Approach 1:

The cold air supply system is divided into modular components: the evaporator assembly, duct module, and cabinet. The duct module can be detached and removed through the storeroom via the duct opening, allowing the evaporator to be accessed without disassembling the entire cabinet. This segmentation enables independent maintenance of the cold air supply system components.

Inventive Principle:
Principle #1Segmentation

2Reliability

If all components are installed at the cabinet for cooling performance testing, then the system can be tested, but the testing process requires complete assembly which is time-consuming

Engineering Contradiction:
Improvecooling performance testingVSAvoidmanufacturing efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The evaporator and duct module can be assembled and pre-tested as a separate unit before being installed in the cabinet. The detachable design allows the cold air supply system components to be prepared in advance, enabling cooling performance testing to be conducted on the evaporator assembly independently before final cabinet integration, thereby improving manufacturing efficiency.

Inventive Principle:
Principle #10Preliminary action

3Ease of repair

If the duct module is made detachable for easy maintenance, then repair accessibility is improved, but the structural complexity increases

Engineering Contradiction:
Improveduct module accessibilityVSAvoiddetachable coupling structure
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The duct module is extracted as a separate, detachable component from the cabinet structure. It includes the evaporator, duct openings, and associated components that can be removed through the storeroom. This extraction simplifies the overall system by creating a self-contained module that can be independently maintained without increasing excessive structural complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

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

Enables easy maintenance and repair of the cold air supply system, enhances manufacturing productivity, and allows for pre-installation cooling performance testing without disassembling the cabinet.

Implementation Method 1

an evaporator, a condenser, a compressor, a module body having a space in which the evaporator is accommodated

Methodology Applied
Scientific EffectHeat exchange: Heat Exchanger

Implementation Method 2

a fan configured to circulate air in the storeroom

Methodology Applied
Scientific EffectForced convection: Forced Convection

Data Source

PatentEP3853538B1refrigerator
Publication Date: 2022.10.26 SAMSUNG ELECTRONICS CO LTD
  • EP3853538B1 patent drawingFigure 1
  • EP3853538B1 patent drawingFigure 2
  • EP3853538B1 patent drawingFigure 3

AI summary

A refrigerator including a cabinet in which a storeroom is formed and including a duct opening; a cooling module detachably coupled to the cabinet and including an evaporator, a condenser, a compressor, a module body having a space in which the evaporator is accommodated, and a duct module detachably coupled to the module body to guide cold air produced from the evaporator to the storeroom, wherein the duct opening, the duct module and the storeroom are arranged so that, when the duct module is detached from the module body, the duct module is passable through the duct opening to be removed through the storeroom.