Laundry Appliance Door-Triggered UI Activation for Safe Cycle Start
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Solution Overview
Problem
Laundry treating appliances often face challenges in ensuring the user interface is activated only when the door is closed, which can lead to safety issues and increased standby power usage due to inactive interfaces when the door is open.
Innovation Solution
A method and apparatus where a controller determines the movement of the door in a closing direction and actuates the user interface when the door is moved in that direction, ensuring the interface is only active when the door is closed or closing, using sensors and actuators to manage the door's position and activate the interface accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the user interface is kept active continuously, then the user can access the interface at any time, but standby power usage increases
Solution Approach 1:
The user interface dynamically changes its operational state based on door position. When the door is closed, the interface is activated and fully operational. When the door is open, the interface enters a low-power state or shuts down. This dynamic adaptation resolves the contradiction by making the interface available when needed (door closed) while conserving energy when the door is open and user access is less likely.
Solution Approach 2:
The system uses feedback from door position sensors to control the user interface power state. The controller continuously monitors door position and automatically activates or deactivates the user interface accordingly. This feedback mechanism ensures the interface is accessible when the door is closed without requiring continuous high-power operation, thus resolving the energy accessibility trade-off.
2Ease of operation
If the user interface is activated when the door is open, then the user can interact with the appliance, but safety issues arise from unintended cycle starts
Solution Approach 1:
The system requires the door to be closed as a preliminary condition before activating the user interface for full operation. This preliminary action (closing the door) ensures that the appliance is in a safe state before allowing cycle initiation. By making door closure a prerequisite for interface activation, the system prevents unintended operation while maintaining ease of use through clear, intuitive operation sequence.
Solution Approach 2:
The door position acts as an intermediary condition between user interaction and cycle execution. The controller uses door position status as a mediator to control interface activation and cycle permitting. This intermediary mechanism safely separates user interface accessibility from actual cycle execution, allowing the interface to be accessible only when the door is closed, thus preventing safety hazards while maintaining usability.
3Use of energy by stationary object
If the user interface remains inactive when the door is open, then power consumption is reduced, but the user cannot initiate cycles when the door is opened
Solution Approach 1:
The user interface dynamically adapts its operational state based on door position. When the door is closed, the interface is fully active, enabling users to initiate cycles. When the door is open, the interface enters a low-power state. This dynamic behavior resolves the contradiction by enabling cycle initiation capability only when the door is closed (safe condition), while reducing power consumption when the door is open and cycle initiation is not possible or safe.
Data Source
AI summary
A laundry treating appliance and a method operating a laundry treating appliance having at least one automatic cycle of operation, a plurality of components selectively operable by a controller to implement the at least one cycle of operation on a load of laundry received within a treating chamber of the appliance with the controller having a user interface for receiving input from a user and a door for closing an open face of the treating chamber, the method comprising determining a movement of the door in a closing direction and actuating the user interface when it is determined the door is moved in the closing direction.