Mobile Terminal Logic Level Detection for Dynamic Charging
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Solution Overview
Problem
Mobile terminals experience high power consumption and heating issues, particularly when charging and maintaining cellular connections, which affect service life and user safety, and conventional heat dissipation methods do not provide a fundamental solution.
Innovation Solution
A processing method for mobile terminals that determines the type of an external device via logic levels in internal data signal lines, adjusts charging and data transmission based on battery power, and monitors temperature to manage power consumption and heat generation effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If plug-and-charge charge mode is adopted, then charging convenience is improved, but battery service life deteriorates due to increased charge and discharge times
Solution Approach 1:
The patent implements dynamic charging mode selection based on real-time detection of external device types. The system transitions from static plug-and-charge mode to a dynamic mode that adapts charging behavior according to whether the connected device is a charger, USB host, or other device, thereby reducing unnecessary charge-discharge cycles while maintaining charging convenience when appropriate
Solution Approach 2:
The patent employs feedback mechanisms by detecting logic levels on data signal lines to identify external device types. This feedback information drives the charging control logic, enabling the system to adjust charging behavior based on actual connection conditions, thus avoiding unnecessary charging operations that would reduce battery service life
2Use of energy by moving object
If charging in call mode is performed, then power consumption is improved, but temperature rise deteriorates
Solution Approach 1:
The patent implements feedback control by continuously monitoring temperature during charging operations. When temperature exceeds predetermined thresholds, the system automatically adjusts or terminates charging, creating a closed-loop control system that balances power consumption needs against temperature safety constraints
Solution Approach 2:
The patent changes operational parameters dynamically by adjusting charging current and voltage based on temperature conditions. The system transitions from fixed charging parameters to variable parameters that adapt to real-time temperature status, reducing power consumption during high-temperature periods while maintaining adequate charging during normal temperature ranges
3Productivity
If high power transmission is performed, then communication capability is improved, but current consumption deteriorates
Solution Approach 1:
The patent implements dynamic power adjustment by detecting external device types and adapting transmission power accordingly. The system uses high power transmission only when necessary (when connected to appropriate devices capable of handling such power levels) and reduces or eliminates transmission when connected to devices that cannot support high power modes, thereby optimizing communication capability while minimizing energy loss
Data Source
AI summary
The disclosure provides a mobile terminal and a processing method thereof; the method includes the following steps: when detecting that an external device is plugged in, the mobile terminal determines the type of the external device according to the logic levels of the internal data signal lines in the mobile terminal, wherein the type includes a charger and a Universal Serial Bus (USB) host device; the mobile terminal charges itself or transmits data with the external device according to the determined type of the external device. With the disclosure, the performance of the mobile terminal is improved, and the user experience is enhanced.