Refrigerator Display Unit Mounting for Easy Maintenance and Assembly

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Solution Overview

Problem

Existing refrigerators face challenges in easily mounting and maintaining a display unit with a simple structure and low manufacturing cost.

Innovation Solution

The display unit is designed to be slidably mounted within the refrigerator door, allowing for easy access and repair, with a structure that includes a display window, sensing units, and a sliding mechanism for insertion and removal, ensuring the unit is not exposed on the front panel, simplifying assembly and reducing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the display unit is mounted on the front panel of the door, then it is easily visible to users, but it becomes difficult to access for maintenance and repair

Engineering Contradiction:
Improvevisibility of display unitVSAvoidaccessibility of display unit
Core Design Contradiction:
Ease of operationVSEase of repair

Solution Approach 1:

The door assembly is segmented into multiple components: the front panel, the door body, and the display unit mounting structure. The display unit is mounted on the inner surface of the front panel, which is itself detachably coupled to the door body. This segmentation allows the front panel to be removed separately, providing access to the display unit for maintenance while keeping the display unit visible when the door is closed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The display unit is extracted from the traditional external mounting position and placed on the inner surface of the front panel. This extraction allows the display unit to remain visible through the front panel material while enabling easy access for maintenance by simply removing the front panel from the door assembly.

Inventive Principle:
Principle #2Taking out (Extraction)

2Ease of manufacture

If the display unit is integrated within the door structure, then manufacturing cost is reduced, but the display unit becomes difficult to access for repair

Engineering Contradiction:
Improvemanufacturing costVSAvoidaccessibility of display unit
Core Design Contradiction:
Ease of manufactureVSEase of repair

Solution Approach 1:

The door assembly is divided into separable components: the front panel that houses the display unit and the door body. The front panel is detachably coupled to the door body through coupling members, allowing the display unit to be accessed by removing only the front panel rather than disassembling the entire door structure, thus maintaining ease of repair while integrating within the door.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The front panel is pre-assembled with the display unit mounted on its inner surface before being coupled to the door body. This preliminary assembly simplifies the manufacturing process and reduces costs by allowing the display unit to be installed during front panel production rather than requiring complex integration into the complete door assembly later.

Inventive Principle:
Principle #10Preliminary action

3Ease of repair

If the display unit is mounted externally on the door, then it is easily accessible for repair, but the front panel structure becomes more complex

Engineering Contradiction:
Improveaccessibility of display unitVSAvoidfront panel structure
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The display unit mounting structure is merged with the front panel itself. The display unit is mounted on the inner surface of the front panel, and the front panel serves dual functions as both the visible exterior surface and the mounting structure for the display unit. This merging eliminates the need for separate external mounting brackets or complex external structures.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The display unit is nested within the front panel structure, mounted on its inner surface. This nesting allows the display unit to be integrated into the front panel's existing structure rather than adding external complexity, while the detachable coupling between the front panel and door body provides easy access for repair.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentEP3531050B1refrigerator
Publication Date: 2021.09.08 LG ELECTRONICS INC
  • EP3531050B1 patent drawingFigure 1
  • EP3531050B1 patent drawingFigure 2
  • EP3531050B1 patent drawingFigure 3

AI summary

The present embodiment provides a refrigerator. The refrigerator according to the present embodiment includes a panel member (100) forming at least a portion of the exterior of the refrigerator, an inner case (200) of which at least portion is spaced from the panel member (100), a display case (500) provided at one side of the panel member (100), insulating material filled in space between the panel member (100) and the inner case (200), and a display unit (400) mounted on the display case (500) after the filling of the insulating material is completed.