Transformer Base Station Offset Detection for Centering
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Solution Overview
Problem
Current transformer coupling methods for household operating devices lack a simple and intuitive way to center a top-mounted device on a base station, leading to inefficient energy use and potential electromagnetic interference (EMI) issues.
Innovation Solution
A household operating device with an offset detection system that uses optical signals, power measurement, or data signal levels to guide the user in centering the top-mounted device, ensuring precise alignment and reducing radiation through controlled light emission and potentially acoustic feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If transformer coupling is used for power transmission between base station and top-mounted device, then wireless power transfer is enabled, but alignment precision deteriorates leading to energy inefficiency and EMI
Solution Approach 1:
The system continuously monitors the transformer coupling status by measuring parameters such as coupling coefficient, power transfer efficiency, or electromagnetic field strength. Based on this feedback, the control unit adjusts the position of the top-mounted device or modifies operating parameters to maintain optimal alignment, thereby resolving the contradiction between enabling wireless power transfer and maintaining alignment precision.
Solution Approach 2:
The patent replaces manual mechanical alignment with an automated control system that uses sensors to detect offset and actuators to correct positioning. This substitution of mechanical adjustment with sensor-actuator feedback systems enables precise alignment maintenance without requiring user intervention, improving both energy efficiency and alignment precision.
2Ease of operation
If no centering aid is provided, then device complexity is reduced, but ease of operation deteriorates as users cannot easily center the top-mounted device
Solution Approach 1:
The control unit acts as an intermediary between the sensor that detects offset and the actuator that corrects positioning. It processes sensor signals, determines the magnitude and direction of misalignment, and generates appropriate control commands to move the top-mounted device back to the centered position, thereby improving ease of operation while managing system complexity through intelligent control.
Solution Approach 2:
The system performs self-alignment by automatically detecting its own misalignment through sensors and correcting its position using actuators controlled by the control unit. This self-service capability eliminates the need for manual centering assistance, improving ease of operation without requiring additional complex centering aid mechanisms.
3Measurement precision
If offset detection and optical signaling is implemented, then centering precision is improved, but device complexity increases due to additional sensors and control systems
Solution Approach 1:
The patent combines the offset detection function with the existing control unit by integrating sensors that measure positional offset and the control logic that processes this data into a single unified system. This merging of detection and control functions into one integrated unit improves offset detection precision while minimizing the increase in device complexity by avoiding separate dedicated detection hardware.
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
Facilitates easy and energy-efficient operation of countertop appliances by providing a clear centering aid, minimizing EMI, and ensuring safe power transmission only after successful alignment.
Implementation Method 1
power transmission from a working zone of a household operating appliance to a top-mounted device by means of inductive coupling is known. An inductive coupling is understood to mean the coupling of a base station or primary coil of the household operating appliance and a secondary coil of the attachment device via an alternating magnetic field, which is generated by the primary coil and picked up by the secondary coil. An induction voltage is generated in the secondary coil by means of the alternating magnetic field
Data Source
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AI summary
The household operating device (406) has at least one base station (411) for transformer-based operation of an attachment device that can be placed on it, wherein the household operating device (406) has an offset detection device for detecting an offset (r) between one of the at least one base station (411) and the associated attachment device, and the household operating device (406) is configured to output an acousto-optical signal belonging to this base station (411), depending on the magnitude of the offset (r) detected by the offset detection device.The method serves to center an attachment device on a transformer-coupled base station (411) of a household operating device (406), wherein the method comprises at least the following steps: detecting the magnitude of an offset (r) between the attachment device and the associated base station (411) and outputting at least one optical signal depending on the magnitude of the offset (r).