Power Receiving Unit Rectifier Circuit Selection
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Solution Overview
Problem
Existing wireless feed systems for electronic devices lack convenience in power reception, as they are limited by the type of feed unit they can communicate with and the efficiency of power transfer, especially when the feed unit does not have power control capabilities.
Innovation Solution
A power receiving unit equipped with a communicator, a power receiver featuring first and second rectifier circuits, and a controller that selects and operates one of these circuits based on the capabilities of the feed unit, allowing for communication and efficient power reception from various feed units, including those without power control functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single rectifier circuit is used in the power receiving unit, then the device complexity is reduced, but the adaptability to different feed units (especially those without power control) deteriorates
Solution Approach 1:
The power receiving unit is designed with multiple rectifier circuits (first and second rectifier circuits) that can handle different power control scenarios. The controller selectively activates the appropriate rectifier circuit based on whether the feed unit has power control capability, enabling the device to universally work with both types of feed units without requiring different hardware configurations for each case.
Solution Approach 2:
The system dynamically switches between different rectifier circuits based on the detected capabilities of the connected feed unit. The controller determines whether the feed unit has power control functionality and accordingly selects which rectifier circuit to operate, making the system adaptable and flexible rather than static and fixed.
2Adaptability or versatility
If the power receiving unit is designed to work with feed units without power control, then the adaptability increases, but the power reception efficiency deteriorates due to misalignment issues
Solution Approach 1:
The system prepares multiple rectifier circuits in advance to handle potential misalignment scenarios. When a feed unit without power control is detected, the controller selects the appropriate rectifier circuit that is pre-configured to tolerate misalignment, cushioning against the efficiency loss that would otherwise occur due to positioning errors.
3Adaptability or versatility
If multiple rectifier circuits are provided for different feed unit types, then the adaptability improves, but the device complexity increases
Solution Approach 1:
Rather than permanently configuring multiple rectifier circuits for all scenarios, the system dynamically selects which rectifier circuit to activate based on the real-time detection of feed unit capabilities. This dynamic approach allows the system to have multiple circuits available when needed while maintaining simplicity when working with a single type of feed unit.
Solution Approach 2:
The controller automatically detects the feed unit type and self-manages the selection of the appropriate rectifier circuit without requiring external configuration or user intervention. The system serves itself by making intelligent decisions about which circuit to use, reducing the need for complex external control mechanisms.
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
This solution enhances convenience by enabling power reception from multiple feed units, including those without power control, and ensures efficient charging even when the device is misaligned, by selecting the appropriate rectifier circuit based on the feed unit's capabilities.
Implementation Method 1
a coil that receives an electric power signal from the feed unit
Implementation Method 2
a first rectifier circuit and a second rectifier circuit that each rectify an electric power signal supplied from the feed unit
Data Source
AI summary
A power receiving unit of the disclosure includes a communicator that communicates with a feed unit, a power receiver that has a first rectifier circuit and a second rectifier circuit that each rectify an electric power signal supplied from the feed unit, and a controller that selects and operates one of the first rectifier circuit and the second rectifier circuit.