Multi-Chamber Sealing Assembly to Reduce Heat Loss and Condensation
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Solution Overview
Problem
Current sealing assemblies in refrigerators suffer from heat loss and condensation issues due to water droplet formation on the outer surface, which affects thermal insulation and energy efficiency.
Innovation Solution
A sealing assembly design featuring a magnet chamber, multiple air chambers, and separator walls that partition these chambers to create additional air zones, reducing thermal losses and preventing sweating by optimizing energy consumption and humidity levels, with a contact wall to eliminate gaps between the door and cabinet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a conventional sealing assembly is used, then the structure is simple, but heat loss occurs and condensation forms on the outer surface
Solution Approach 1:
The sealing assembly is divided into multiple functional chambers: a magnet chamber for magnetic sealing, a first air chamber for thermal insulation, and an inner air chamber for additional insulation. These chambers are separated by partition walls, creating a segmented structure that reduces heat loss while maintaining manageable complexity through modular design.
Solution Approach 2:
The sealing assembly employs a nested chamber structure where the inner air chamber is positioned within the overall assembly, and the first air chamber surrounds it. This nested arrangement maximizes thermal insulation efficiency within the available space while keeping the overall structure compact and manageable.
2Object-affected harmful factors
If the sealing assembly structure is simplified, then manufacturing is easier, but condensation and water droplet formation occur
Solution Approach 1:
The sealing assembly is divided into multiple functional chambers: a magnet chamber for magnetic sealing, a first air chamber for thermal insulation, and an inner air chamber for additional insulation. These chambers are separated by partition walls, creating a segmented structure that reduces heat loss while maintaining manageable complexity through modular design.
Solution Approach 2:
The sealing assembly combines multiple materials with different properties: magnetic material for sealing force, insulating material for thermal resistance, and structural material for chamber formation. This composite approach effectively prevents condensation by addressing thermal gradients while maintaining manufacturing feasibility through standardized material selection.
3Loss of energy
If thermal insulation is improved by adding more chambers, then heat loss is reduced, but the device complexity increases
Solution Approach 1:
The sealing assembly is divided into multiple functional chambers: a magnet chamber for magnetic sealing, a first air chamber for thermal insulation, and an inner air chamber for additional insulation. These chambers are separated by partition walls, creating a segmented structure that reduces heat loss while maintaining manageable complexity through modular design.
Solution Approach 2:
Different regions of the sealing assembly are assigned different functions: the magnet chamber provides magnetic sealing at the critical interface, the first air chamber provides primary thermal insulation, and the inner air chamber provides secondary insulation. This local differentiation optimizes thermal performance while keeping each component relatively simple.
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 solution effectively reduces heat loss and condensation, enhancing the sealing performance and user convenience by maintaining a consistent temperature and preventing water droplet formation, thereby improving the overall energy efficiency and thermal insulation of the refrigerator.
Implementation Method 1
a first air chamber provided at one side of the sealing assembly... an inner air chamber provided between the magnet chamber and the attachment portion... a second air chamber provided between the magnet chamber and the first air chamber
Implementation Method 2
a magnet chamber which defines a receiving cavity for accommodating a magnetic element
Data Source
AI summary
A sealing assembly seals an area between a door and a cabinet of a cooling device. The sealing assembly contains a magnet chamber which defines a receiving cavity for accommodating a magnetic element, a first air chamber provided at one side of the sealing assembly, an attachment portion for attaching the sealing assembly to the door of the cooling device, and an inner air chamber provided between the magnet chamber and the attachment portion. The sealing assembly contains a second air chamber provided between the magnet chamber and the first air chamber. A first separator wall is arranged in the second air chamber to partition the second air chamber into at least two upper sections and/or a second separator wall is arranged in the inner air chamber to partition the inner air chamber into at least two intermediate air sections.