Wireless Charging Mode Switching via Detecting Signals
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Solution Overview
Problem
Existing wireless charging technologies require manual switching between forward and reverse modes, leading to inefficiencies and potential misidentification of faulty devices when not switched correctly, affecting user experience.
Innovation Solution
An electronic device automatically switches from reverse to forward wireless charging mode by transmitting and receiving specific detecting signals, meeting preset conditions such as voltage, current, or power thresholds, to facilitate seamless charging without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual switching between forward and reverse wireless charging modes is implemented, then the electronic device can operate in both charging modes, but the user experience deteriorates due to required manual operations and potential mode switching failures
Solution Approach 1:
The electronic device automatically detects the charging cradle environment and switches between forward and reverse wireless charging modes without manual user intervention. The device monitors detection signals during normal operation and autonomously transitions modes when placed on a charging cradle, eliminating the need for manual switching operations while maintaining adaptability to different charging scenarios
Solution Approach 2:
The system performs preliminary detection of the charging environment by monitoring for detection signals from charging cradles before initiating mode switching. This advance detection allows the device to prepare for mode transition in advance, ensuring seamless switching before the actual charging operation begins, thereby improving both automation and user experience
2Device complexity
If the electronic device remains in reverse wireless charging mode without automatic switching, then the device structure remains simple, but charging reliability deteriorates when the device is placed on a wireless charging cradle
Solution Approach 1:
The electronic device continuously monitors for detection signals transmitted by charging cradles during wireless charging operation. When the device detects a cradle environment through received detection signals, it provides feedback to the control system to trigger automatic mode switching from reverse to forward charging mode, ensuring reliable charging operation without requiring complex manual intervention mechanisms
Solution Approach 2:
The wireless charging mode of the electronic device is made dynamic rather than static. The system can adaptively switch between forward and reverse charging modes based on real-time detection of the charging environment. This dynamic capability ensures high reliability across different charging scenarios without requiring overly complex fixed-structure switching mechanisms
3Reliability
If automatic mode switching is implemented through signal detection, then wireless charging reliability improves, but the system complexity increases due to additional detection signal processing
Solution Approach 1:
The existing wireless communication modules and signal processing circuits in the electronic device are utilized for dual purposes: normal wireless charging communication and detection of cradle environment through detection signals. By making the signal processing system multi-functional, the patent achieves reliable automatic mode switching without adding separate dedicated detection hardware, thereby limiting the increase in system complexity
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
Enhances wireless charging reliability and user experience by ensuring automatic mode switching, preventing charging failures and improving efficiency in wireless charging systems.
Implementation Method 1
a charging apparatus including a charging coil, and a processing apparatus coupled to the charging apparatus
Data Source
AI summary
A method that includes: transmitting, by an electronic device, a first detecting signal when the electronic device is in a reverse wireless charging mode; receiving, by the electronic device at a gap moment between at least two adjacent moments at which the first detecting signal is transmitted, a second detecting signal transmitted by a wireless charging device; and if the second detecting signal received by the electronic device meets a preset condition, automatically switching, by the electronic device, from the reverse wireless charging mode to a forward wireless charging mode.