Refrigerator Door Display Assembly with Modular Fixing Unit

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Solution Overview

Problem

The existing refrigerators with built-in displays face challenges in simplifying the assembling structure of the door with a display unit and achieving a sophisticated design while providing convenient functions.

Innovation Solution

A refrigerator design that includes a display unit mounted on the door with a pressing piece extending from the display case, a fixing unit to secure the display case to the door frame, and a touch screen display glass larger than the display area, allowing for easy assembly and integration of communication modules and proximity detection sensors, which enhances user interaction and design aesthetics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a display unit is built into the refrigerator door, then user convenience and information access are improved, but the assembling structure becomes complex and difficult to manufacture

Engineering Contradiction:
Improveuser convenienceVSAvoidassembling structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The display unit is divided into separate components: display case, display unit case, fixing unit, and pressing piece. Each component can be manufactured and assembled independently, simplifying the overall assembly process while maintaining functionality.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The fixing unit and pressing piece are pre-positioned on the display case before assembly into the door. This preliminary arrangement ensures proper alignment and simplifies the final assembly operation, reducing complexity.

Inventive Principle:
Principle #10Preliminary action

2Shape

If a display unit with touch screen is integrated into the door, then sophisticated design is achieved, but the structure becomes more complex

Engineering Contradiction:
Improvedesign aestheticsVSAvoidassembling structure
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The display case is integrated with the door structure through the fixing unit, merging the display functionality with the door assembly. This unified approach achieves sophisticated design while managing structural complexity through systematic integration.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The pressing piece acts as an intermediary component that connects the display case to the door structure. It facilitates the integration of aesthetic design elements while simplifying the mechanical connection process.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If communication modules and sensors are added to enable advanced functions, then user interaction capabilities are enhanced, but device complexity increases

Engineering Contradiction:
Improveuser interaction featuresVSAvoidassembling structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The display unit case is designed to accommodate multiple functions: display, touch screen input, proximity detection sensors, and communication modules. This multi-functional design enhances user interaction capabilities while managing complexity through a unified structural platform.

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

Data Source

PatentUS10690404B2Refrigerator
Publication Date: 2020.06.23 SAMSUNG ELECTRONICS CO LTD
  • US10690404B2 patent drawing
  • US10690404B2 patent drawing
  • US10690404B2 patent drawing

AI summary

Disclosed is a refrigerator having an improved structure with a display unit. The refrigerator comprises a main body, a storeroom arranged inside the main body with an open front, a door pivotally connected to the main body for opening or closing the open front of the storeroom and a display unit installed on the door. The display unit comprises a display for displaying images, a display glass located on the front of the display to have an area larger than the display and form a touch screen, a display case with a display mounter for the display to be mounted therein, a display unit case fixedly connected to the door and a fixing unit for fixedly connecting the display case to the display unit case by pressing a part of the display case.