Household refrigeration appliance with platelike lighting module
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Solution Overview
Problem
Conventional plate-like lighting modules for household refrigeration appliances are complex to produce and require intricate adhesive processes, which can impair the lighting function due to adhesive penetration between components.
Innovation Solution
A plate-like lighting module design featuring a front frame with a support web for the light source module, reducing the need for complex adhesives and enhancing assembly ease, while a rear cover and diffusor plate ensure stable light guidance and prevention of light escape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional plate-like lighting modules are used with rear support plates and complex adhesive processes, then components can be connected, but the production becomes difficult and adhesive penetration impairs lighting function
Solution Approach 1:
The support plate is divided into a front frame and a rear frame that are separated by the light guide. The front frame holds the light source module, while the rear frame provides structural support. This segmentation eliminates the need for complex adhesive processes and allows for easier assembly and manufacturing.
2Stability of the object's composition
If complex adhesive processes are used to connect components, then components can be joined, but adhesive penetration between components impairs lighting function
Solution Approach 1:
A reflector is introduced as an intermediary component between the light source module and the light guide. This reflector not only redirects light but also serves as a physical barrier that prevents adhesive from penetrating into the light guide, thereby eliminating the harmful effect of adhesive contamination while maintaining component connection stability.
3Ease of operation
If a rear support plate with grooves is used to hold light sources, then light sources can be mounted, but the support plate structure becomes complex
Solution Approach 1:
The support structure is segmented into a front frame with integrated support elements and a rear frame. The front frame includes protrusions that directly support the light source module, eliminating the need for complex grooved structures. This segmentation simplifies the overall support plate design while maintaining ease of light source mounting.
4Ease of manufacture
If adhesive processes are simplified, then manufacturing becomes easier, but component connection stability may be compromised
Solution Approach 1:
The front frame and rear frame are merged into a single integrated support structure that provides both structural support and component mounting functionality. This merging eliminates the need for adhesive processes entirely, as the integrated structure provides inherent mechanical connection stability while simplifying manufacturing and assembly.
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
Simplifies assembly, prevents adhesive-related lighting impairments, and achieves uniform and extensive lighting with improved light coupling and guidance within the refrigeration appliance.
Implementation Method 1
The light of the light source is coupled into this laterally
Implementation Method 2
a plate-shaped light guide arranged in front of the support plate
Data Source
AI summary
A household refrigeration appliance having a receiving space for food and a plate-like lighting module for lighting the receiving space. The plate-like lighting module has a support apparatus, on which at least a light source module and a plate-shaped light guide are arranged. The support apparatus has a front frame which is a visible component of the lighting module facing the receiving space, and the front frame has a front strip, on the rear side of which a support web is arranged protruding backward and is formed in one piece with the front strip. The light source module is arranged on the support web.