Dishwasher Water Feed With Integrated Lighting to Eliminate Shadows
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Solution Overview
Problem
Conventional dishwashers with interior lighting require special openings and mechanical mounting, leading to high installation costs and shadowing effects due to isolated, point-shaped light sources.
Innovation Solution
Integrating a lighting device with the water feed system within the dishwasher cavity, allowing for uniform illumination without additional openings, using LED light sources for efficient and customizable lighting, and arranging lighting lines along the water feed channels to provide both side and upward illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional interior lighting is installed in the dishwasher cavity, then illumination is provided, but special openings in walls are required and sealing measures become necessary
Solution Approach 1:
The lighting device is integrated with the water feed system by associating the lighting element with the water feed channel. The channel that guides water to the distribution means also serves as the mounting path for the lighting line, combining two functions into one structure without requiring additional openings or sealing measures.
Solution Approach 2:
The water feed channel serves dual purposes: it guides water to the distribution means and simultaneously provides the pathway and mounting structure for the lighting line. This multi-functional design eliminates the need for separate lighting installations and their associated sealing requirements.
2Illumination intensity
If isolated point-shaped light sources are used, then lighting is provided, but shadowing effects and highlights are produced
Solution Approach 1:
Instead of using a single point light source, the invention employs a lighting line that is divided into multiple LED elements distributed along the water feed channel. This segmentation of the light source creates distributed illumination that eliminates shadowing effects and highlights by providing light from multiple positions simultaneously.
Solution Approach 2:
The lighting solution transitions from a zero-dimensional point source to a one-dimensional line source by arranging LED elements along the length of the water feed channel. This dimensional change provides uniform illumination across the dishwasher cavity interior without creating shadows or highlights.
3Illumination intensity
If separate mounting of lighting devices is performed, then lighting is installed, but installation work and costs increase
Solution Approach 1:
The lighting device is merged with the water feed system during manufacturing. The lighting line is integrated into the water feed channel structure, allowing both components to be produced and installed as a single unit, thereby reducing installation work and costs.
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
This solution reduces installation costs and eliminates shadowing effects, providing a homogeneous, high-luminosity illumination that is both space-efficient and aesthetically pleasing, while minimizing the need for additional interfaces and ensuring watertight sealing.
Implementation Method 1
using LED light sources for efficient and customizable lighting
Data Source
AI summary
A dishwasher includes a dishwasher cavity configured to receive an item to be washed. A water feed extends completely or partially in the dishwasher cavity for providing a water distribution in the dishwasher cavity. Associated with the water feed is a lighting device having a lighting line extending along a guiding direction of the water feed.