Laundry Dryer Dual-Interface Control for Remote Operation Safety
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Solution Overview
Problem
Existing laundry dryer control systems face security concerns when operated remotely, as users may miss critical warnings or fail to react promptly due to the appliance's location, and there is a need for a method to control drying cycles effectively without increasing overall costs.
Innovation Solution
A laundry dryer with a control unit that includes a memory for storing instructions for different working routines, featuring a first and second interface for user input commands, allowing remote operation while ensuring safety and efficiency through distinct operational parameters and phases, including a cooling phase for temperature management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the appliance is operated remotely via a separate control device, then ease of operation is improved, but security and reliability deteriorate because users may miss critical warnings or fail to react promptly
Solution Approach 1:
A local control panel is introduced as an intermediary device that receives commands from remote control devices and presents them to the user. This mediator ensures that remote operations can be initiated while local warnings and notifications are still visible and audible to the user, bridging the gap between remote convenience and local awareness.
Solution Approach 2:
The control system is segmented into multiple independent interfaces: a remote control device for convenient operation and a local control panel for immediate feedback and warning display. This segmentation allows the system to provide both remote operation capability and local user awareness simultaneously, addressing the contradiction between ease of operation and reliability.
2Adaptability or versatility
If different working routines are executed based on the interface used, then adaptability is improved, but device complexity increases
Solution Approach 1:
Different working routines are assigned to different control interfaces based on their specific characteristics. The local control panel executes a first working routine optimized for immediate user interaction, while the remote control device executes a second working routine optimized for distant operation. This local quality approach allows the system to adapt to different usage scenarios without requiring a single complex control logic that handles all cases uniformly.
Solution Approach 2:
The control system dynamically selects which working routine to execute based on which interface received the command. This dynamic behavior allows the system to adapt its operation mode according to the interface used, providing optimized performance for each interface while keeping the overall system manageable through clear interface-routine associations.
Data Source
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AI summary
The present invention relates to a method to control operation of a laundry dryer, the laundry dryer comprising : - a control unit having a memory in which instructions for a drying cycle, for a first working routine and a second working routine are stored; - a first interface and a second interface, both adapted to transfer a user input command received at the first or second interface to the control unit for operating the laundry dryer; the method including : - starting a drying cycle; - providing a user input command to the control unit through the first or the second interface to modify the drying cycle, wherein : - if the user input command is provided through the first interface then starting the first working routine; - if the same user input command is provided through the second interface then starting the second working routine which differs from the first working routine in at least one operational parameter set for operating the laundry dryer.