Laundry Console Assembly With Labyrinth Sealing Against Water Ingress
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Solution Overview
Problem
Consoles in laundry appliances are prone to water damage due to seepage through seams during cleaning or exposure to outdoor precipitation, which can harm electrical components.
Innovation Solution
A console assembly design featuring a shell with a sloped first rim and protrusion forming a channel, combined with a panel having a second rim and protrusion, creates a labyrinth seal to deflect fluid away from electrical components, guiding it through a channel and out via drain openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a console assembly is used to house electrical components, then the appliance can be controlled and monitored, but water can seep through seams and damage the electrical components
Solution Approach 1:
A waterproof gasket is introduced as an intermediary element between the console assembly and the appliance body. This gasket acts as a mediator that allows the console to perform its control and monitoring functions while simultaneously blocking water from seeping through the seams to the electrical components.
Solution Approach 2:
The sealing function is extracted from the console assembly structure itself and implemented as a separate, dedicated waterproof gasket. This separation allows the console to focus on its primary control function while the gasket specifically addresses the water protection requirement.
2Reliability
If the console is sealed to prevent water ingress, then electrical components are protected, but manufacturing complexity and cost increase
Solution Approach 1:
A flexible waterproof gasket is used instead of complex rigid sealing structures. This thin film approach provides effective water protection while being simple to manufacture and install, reducing overall manufacturing complexity compared to integrated rigid sealing systems.
Solution Approach 2:
The sealing system is segmented into a separate, modular gasket component rather than being integrated into the console housing. This segmentation allows for simpler manufacturing of individual components and easier assembly, reducing overall manufacturing complexity while maintaining protection effectiveness.
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 design effectively prevents fluid from entering the console assembly, protecting electrical components and eliminating the need for additional seals, thus reducing manufacturing costs and ensuring appliance reliability.
Implementation Method 1
The first rim and the first protrusion define a channel that is sloped from a center of the shell to sides of the shell and is inclined relative to a top edge of the shell
Implementation Method 2
The first rim, the first protrusion, and the second protrusion are configured to act as a labyrinth seal
Data Source
AI summary
A console assembly for an appliance is provided that includes a shell having a first face and a first rim and a first protrusion operably coupled with the first face. The first face is positioned at an incline relative to a top edge of the shell. A panel is operably coupled with the shell. The panel includes a second face and a second rim and a second protrusion extending from a side of the panel opposite the second face. The panel is positioned parallel to the first face. A plurality of electrical components are operably coupled to one of the shell and the panel.