Wireless Charging Mode Switching for Non-Communicating Devices
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Solution Overview
Problem
Existing wireless charging technologies face challenges in efficiently and safely charging small electronic devices that cannot communicate with the charging transmitter, as they lack the capability to regulate power levels or provide feedback for optimal charging.
Innovation Solution
A wireless charging device with multiple charging modes, including a first mode that varies power levels based on device feedback and a second mode that provides a constant power level for a fixed period, allowing for charging of devices without communication capabilities, using sensors to switch between modes and ensure efficient energy transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless charging uses feedback-based power level variation (first charging mode), then charging efficiency and safety are improved for devices that can communicate, but devices without communication capabilities cannot be charged
Solution Approach 1:
The charging system is segmented into multiple charging modes: a first charging mode for devices with communication capabilities that uses feedback-based power level variation, and a second charging mode for devices without communication capabilities that uses constant power level. This segmentation allows the system to adapt to different device types while maintaining charging safety and efficiency for each category.
Solution Approach 2:
The charging system dynamically switches between different charging modes based on device detection. When a device without communication capabilities is detected, the system transitions from the feedback-based first charging mode to the constant power second charging mode, enabling versatile device compatibility while maintaining reliable charging through appropriate mode selection.
2Adaptability or versatility
If wireless charging provides constant power level (second charging mode), then devices without communication capabilities can be charged, but charging efficiency decreases compared to feedback-based mode
Solution Approach 1:
The second charging mode provides a constant power level that may be higher than strictly necessary for devices without communication capabilities, ensuring they receive sufficient power without requiring complex feedback mechanisms. While this may result in some energy loss compared to feedback-based charging, it enables broader device compatibility and simplifies the charging process for non-communicating devices.
3Adaptability or versatility
If wireless charging system adds multiple charging modes and sensor input mechanisms, then ability to charge diverse devices is improved, but system complexity increases
Solution Approach 1:
The wireless charging system incorporates a sensor that can detect multiple device characteristics and automatically select the appropriate charging mode. This multi-functional approach allows a single system to handle both communicating and non-communicating devices, as well as various device types, without requiring separate dedicated charging circuits for each device category, thereby managing complexity while maintaining versatility.
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
Enables the reliable and efficient charging of small electronic devices that cannot communicate with the charging system, ensuring full charge without damage, even when they lack power regulation capabilities, by providing a constant power level for a predetermined time.
Implementation Method 1
a transmitter configured to wirelessly transmit power via a wireless field
Data Source
AI summary
Systems, methods, and apparatus are disclosed for wirelessly charging devices that may not be able to communicate with a wireless charger. In one aspect, a wireless charging device is provided including a transmitter configured to wirelessly transmit power via a wireless field at a power level sufficient to charge one or more electronic devices according to one or more charging modes including at least a first charging mode in which the transmitter is configured to vary the power level of the transmitter based on feedback received from one of the one or more electronic devices and a second charging mode in which the power level is constant. The wireless charging device includes a sensor configured to obtain input for switching between the charging modes. The wireless charging device further includes a controller configured to switch between the first charging mode and the second charging mode in response to the input.