Movable Dishwasher Reflector for Easy Cleaning and Stable Spray Direction

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Solution Overview

Problem

Existing dishwashers do not facilitate easy cleaning of their internal components, leading to potential contamination of dishes and reduced washing efficiency due to foreign substances accumulating on reflective modules.

Innovation Solution

A dishwasher design with a movable reflecting module that can be easily detached and cleaned, featuring a rail system and motor-driven movement for optimal positioning and access, along with a control unit managing different operational modes for cleaning and washing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the reflecting module is fixed inside the wash tub, then the washing function is stable, but the cleaning and maintenance of the reflecting module becomes difficult

Engineering Contradiction:
Improvewashing function stabilityVSAvoidcleaning accessibility
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The reflecting module is designed to be movable along rails within the wash tub, transitioning from a fixed position to a dynamic, adjustable position. This allows the module to be moved to accessible locations for cleaning while maintaining optimal positioning during washing operations, resolving the contradiction between stability and accessibility.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The reflecting module is designed as a detachable component that can be separated from the main wash tub structure. This segmentation allows the module to be easily removed for cleaning and maintenance while the rest of the washing system remains intact, addressing the cleaning accessibility issue without compromising washing functionality.

Inventive Principle:
Principle #1Segmentation

2Ease of repair

If the reflecting module is made detachable for easy cleaning, then the maintenance becomes simple, but the device complexity increases

Engineering Contradiction:
Improvemaintenance simplicityVSAvoidmodule structure complexity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The detachable design incorporates movable rails and positioning mechanisms that allow the reflecting module to be easily removed and reattached. While this adds some structural elements, the mechanisms are designed to be simple and intuitive, providing ease of maintenance without excessive complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The reflecting module is designed to be user-friendly for cleaning operations, allowing users to easily detach, clean, and reattach the module themselves without requiring specialized tools or technical expertise. This self-service capability simplifies maintenance while keeping the overall system design relatively simple.

Inventive Principle:
Principle #25Self-service

3Productivity

If the reflecting module is positioned for optimal washing, then the washing efficiency is high, but the accessibility for cleaning is reduced

Engineering Contradiction:
Improvewashing efficiencyVSAvoidcleaning accessibility
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The reflecting module can be dynamically repositioned along rails to different locations within the wash tub. During washing operations, it is positioned for optimal washing efficiency, and during cleaning, it can be moved to accessible positions or completely removed, resolving the contradiction between washing efficiency and cleaning accessibility.

Inventive Principle:
Principle #15Dynamics

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

Enables effective cleaning of internal components, preventing contamination and enhancing washing efficiency by ensuring the reflective module can be easily maintained and ensuring wash water direction is not altered by foreign substances.

Implementation Method 1

spraying wash water having high pressure onto dishes stored in a basket in a wash tub to remove foreign substances

Methodology Applied
Scientific EffectHigh pressure spray: Pressure Gradient

Implementation Method 2

a reflecting module that is movable inside the wash tub and reflects the wash water sprayed by the spray nozzle

Methodology Applied
Scientific EffectReflection: Reflection

Data Source

PatentUS10149594B2Dishwasher and method for controlling same
Publication Date: 2018.12.11 SAMSUNG ELECTRONICS CO LTD
  • US10149594B2 patent drawing
  • US10149594B2 patent drawing
  • US10149594B2 patent drawing

AI summary

The present invention relates to a dishwasher and a method for controlling same, and the dishwasher may comprise a wash tub having an opening on at least one side thereof; a spray nozzle, provided in the interior of the wash tub, for spraying wash water; a reflecting module capable of moving in the interior of the wash tub, and reflecting the wash water sprayed by the spray nozzle; and a moving module, to which the reflecting module is detachably attached, for moving same in at least one direction.