Dishwasher Dock Detection System for Adaptive Spray Device Control
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Solution Overview
Problem
Conventional dishwashers lack flexibility in addressing diverse consumer washing needs due to limited adaptability of their washing features.
Innovation Solution
A dishwasher with a dock detection system that uses electrical conductors and sensors to detect when a spray device is docked, allowing the controller to optimize wash cycles based on the type and presence of spray devices, enabling customizable washing parameters such as fluid pressure, temperature, and flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dock detection system with electrical conductors and sensors is added to detect spray device docking, then the dishwasher can optimize wash cycles and improve cleaning effectiveness, but the device complexity increases
Solution Approach 1:
The electrical conductors serving the spray device docking port are made to serve a dual function: providing electrical connectivity to the spray device and simultaneously acting as detection elements to sense when a spray device is docked. This multi-functionality eliminates the need for separate detection sensors, thereby reducing device complexity while maintaining adaptability.
Solution Approach 2:
The system uses the existing electrical conductors to perform the detection function without requiring additional dedicated detection components. The conductors themselves 'self-serve' by providing both power/ground connections and detection capability through their electrical state changes when a spray device is connected.
2Reliability
If the dishwasher optimizes wash cycles based on detected spray devices with customized washing parameters, then cleaning effectiveness improves, but the control system complexity increases
Solution Approach 1:
The controller adjusts wash cycle parameters (such as fluid pressure, temperature, and flow rate) based on the type of spray device detected. By dynamically changing these operational parameters rather than adding complex mechanical components, the system achieves improved cleaning effectiveness while keeping the control system relatively simple.
Solution Approach 2:
The dock detection system provides feedback to the controller about which spray device is connected, enabling the controller to select and execute the appropriate optimized wash cycle. This feedback mechanism allows for automated adaptation without requiring complex user input or manual configuration.
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
Enhances washing efficiency by allowing the dishwasher to adapt wash cycles to specific spray devices, improving cleaning effectiveness and user customization.
Implementation Method 1
a dock detector coupled to the docking port and configured to detect docking of a spray device connector to the docking port. The first and second electrical conductors are electrically coupled to the dock detector to communicate an electrical signal between the dock detector and the controller
Data Source
AI summary
A method and a dishwasher utilize a dock detection system to determine when a connector of a spray device is docked to a docking port provided on a manifold of the dishwasher. A dock detector is coupled to the docking port and is electrically coupled to a controller of the dishwasher through electrical conductors that extend along the manifold, thereby enabling a dishwasher controller to detect when spray devices are coupled to the manifold, e.g., to optimize a wash cycle to use a particular spray device docked to the docking port.