Mobile Terminal Charging Circuit with Priority Control
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Solution Overview
Problem
Mobile terminals face challenges in efficiently managing battery charging between wired and wireless methods, particularly in prioritizing charging methods and ensuring reliable and rapid charging.
Innovation Solution
The mobile terminal incorporates a power charging controller that disconnects the wireless charging when a wired charging apparatus is connected, and includes charging integrated circuits to enable simultaneous charging, allowing users to select between single or simultaneous charging modes for high-speed charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless charging is used, then charging convenience is improved, but charging speed and reliability deteriorate
Solution Approach 1:
The system dynamically switches between wireless and wired charging modes based on detected conditions. The power charging controller monitors charging status and automatically transitions from wireless to wired charging when wired charging is detected, optimizing both convenience and speed according to real-time conditions.
2Productivity
If simultaneous charging is enabled, then charging speed is improved, but device complexity increases
Solution Approach 1:
The system performs preliminary detection to identify when wired charging is connected before enabling simultaneous wireless charging. The power charging controller proactively checks charging conditions and prepares the simultaneous charging mode in advance, preventing conflicts and simplifying control logic by establishing clear activation conditions.
3Reliability
If wired charging is prioritized, then charging reliability is improved, but charging flexibility deteriorates
Solution Approach 1:
The charging system is designed to universally support multiple charging methods (wireless and wired) with the power charging controller capable of managing both modes. The system maintains flexibility by allowing users to select charging modes while ensuring reliability through automatic wired charging priority when detected, adapting to different user needs and conditions.
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 ensures reliable and rapid charging by prioritizing wired charging and maintaining wireless charging when necessary, enhancing user convenience and charging efficiency.
Implementation Method 1
A current generator may be mounted to the body and may be configured to generate an induction current by using a current of the first charging apparatus
Implementation Method 2
A wireless charger may be disposed between the current generator and the battery and may be configured to charge the battery by converting the induction current into a direct current
Data Source
AI summary
A mobile terminal is provided that includes a body to be mountable to a first charging apparatus, a current generator to generate an induction current by using a current of the first charging apparatus, and a wireless charger between the current generator and the battery to charge the battery by converting the induction current into a direct current. The mobile terminal may also include a connection port to be electrically connected to the battery and being connectable to a power supply terminal of a second charging apparatus, and a power charging controller to disconnect an electrically connected status between the wireless charger and the battery when the power supply terminal is electrically connected to the connection port.