RFID Control Panel Identification for Universal Appliance UI Boards
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Solution Overview
Problem
Existing methods for initializing the 'personality' of a universal user interface board in domestic appliances are prone to errors due to incorrect signal input or misapplication, leading to malfunction.
Innovation Solution
A user interface assembly for domestic appliances that utilizes a radio frequency identifier (RFID) tag attached to the control panel and a corresponding RFID receiver on the user interface board to determine the model identification, activating the correct operating software based on the determined model.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If physical methods or barcode scanning are used to initialize the user interface board personality, then the appliance can be configured for different models, but errors in signal input or misapplication can result in incorrect personality activation leading to malfunction
Solution Approach 1:
The patent replaces physical initialization methods (manual signal input, barcode scanning) with an RFID-based electromagnetic field communication system. The RFID tag embedded in the control panel and RFID receiver in the user interface board enable automatic model identification through radio frequency communication, eliminating manual intervention and reducing human error in the personality initialization process.
Solution Approach 2:
The system enables self-service initialization where the RFID tag automatically transmits model identification information to the user interface board when the control panel is assembled. The appliance self-configures its personality without requiring manual input from technicians, reducing misapplication errors and ensuring correct software activation.
2Device complexity
If a single universal user interface board is used with multiple personalities, then device complexity is reduced and adaptability is improved, but error-prone initialization processes are required to set the correct personality
Solution Approach 1:
The RFID tag is pre-configured with model identification information during control panel manufacturing. When the control panel is assembled with the universal user interface board, the RFID receiver automatically reads the pre-stored model information and activates the corresponding personality, eliminating the need for manual configuration steps during assembly or operation.
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
Ensures accurate initialization of the operating software, reducing errors and ensuring proper functionality of the appliance by correctly activating the appropriate touch sensors and features.
Implementation Method 1
a radio frequency identifier (RFID) tag attached to the second panel side of the control panel; a RFID receiver attached to the user interface board, the RFID receiver being configured to selectively interact with the RFID tag
Data Source
AI summary
A user interface assembly for a domestic appliance includes a control panel; a radio frequency identifier (RFID) tag attached to the control panel; a user interface board; a RFID receiver attached to the user interface board, the RFID receiver being configured to selectively interact with the RFID tag; and a controller operably coupled with the RFID receiver, the controller being configured to perform an operation. The operation may include receiving, via the RFID receiver, a signal from the RFID tag; analyzing the received signal to determine a model identification of the control panel; and activating a predetermined operating software for the domestic appliance based on the determined model identification.