Wireless Docking Station Power Switching for Safe NFC Charging
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Solution Overview
Problem
Some electric devices, particularly those with wireless communication interfaces like NFC, are at risk of damage due to the energy provided by wireless charging, as they can be sensitive to the power levels used in existing wireless charging protocols.
Innovation Solution
A method for cooperative use of wireless communication and charging interfaces, where a wireless docking station employs a low-power searching and charging mode to detect and charge devices safely, switching to a higher power mode when necessary for faster charging, while minimizing risk to communication devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wireless charging interface uses high power mode for fast charging, then charging speed is improved, but risk of damage to wireless communication devices increases
Solution Approach 1:
The wireless charging interface dynamically switches between first mode (low power, safe for communication devices) and second mode (high power, fast charging) based on real-time detection of communication devices in the charging area. This dynamic adaptation resolves the contradiction by adjusting power levels according to the presence of sensitive devices.
Solution Approach 2:
The system uses wireless communication interface detection as an intermediary mechanism to identify the presence of communication devices before activating high-power charging mode. This intermediary detection step prevents direct harm by mediating between the charging function and communication device safety.
2Object-affected harmful factors
If wireless charging interface uses low power mode to protect communication devices, then safety is improved, but charging speed decreases
Solution Approach 1:
The system dynamically adjusts power mode based on detected conditions, switching from low-power safe mode to high-power fast charging mode when no communication devices are present. This resolves the contradiction by making safety measures conditional rather than constant.
Solution Approach 2:
The system changes the power parameter of the wireless charging interface based on the presence or absence of communication devices. When communication devices are detected, power is limited to safe levels; when absent, power is increased to maximum for fast charging, thus optimizing both safety and speed.
3Measurement precision
If wireless docking station continuously searches for communication devices, then detection accuracy is improved, but energy consumption increases
Solution Approach 1:
The wireless docking station performs periodic searches for communication devices rather than continuous monitoring. The system switches between searching states and charging states, conducting detection at intervals which maintains adequate detection accuracy while significantly reducing overall energy consumption compared to continuous searching.
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 approach protects sensitive devices from power-related damage during charging and enables quick charging when feasible, balancing safety and efficiency by using low-power modes for detection and charging, and higher power modes when appropriate.
Implementation Method 1
a wireless charging interface (13) configured to support a wireless charging protocol and a searching protocol
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a method for cooperative use of a wireless communication interface (12) and a wireless charging interface (13), wherein the wireless charging interface (13) supports a first searching mode and a second searching mode. The method comprises the steps of: - Searching, by a wireless docking station (10), for a wireless communication device (20) that supports the wireless communication interface (12); - If any wireless communication device (20) that supports the wireless communication interface (12) has been found, searching, by the wireless docking station (10), for a wireless charging device (30) according to the first searching mode; and - If no wireless communication device (20) that supports the wireless communication interface (12) has been found, searching, by the wireless docking station (10), for a wireless charging device (30) according to the second searching mode.