Intelligent Charging Device with Dynamic Power Control
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Solution Overview
Problem
Conventional charging apparatuses for mobile terminals struggle to meet the increasing demands for charging speed and safety, lacking the intelligence to dynamically adjust charging parameters effectively.
Innovation Solution
The charging apparatus incorporates a control chip with data exchange capabilities, along with current and voltage detection circuits, an ADC, and a power adjusting circuit, providing a hardware foundation for intelligent charging, including quick and safe charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional charging apparatus with simple function is used, then device complexity is low, but charging speed and charging safety cannot meet increasing requirements
Solution Approach 1:
The patent combines multiple functions (AC-DC conversion, DC-DC conversion, communication, control) into an integrated charging apparatus with a centralized control unit that coordinates all subsystems, enabling quick charging capability while maintaining systematic organization
Solution Approach 2:
The charging apparatus is designed to support multiple charging modes (standard charging and quick charging) and can adapt to different mobile terminal requirements through the control unit that adjusts output parameters dynamically, making it universally applicable to various charging needs
2Reliability
If conventional charging apparatus with simple function is used, then device complexity is low, but charging safety cannot meet increasing requirements
Solution Approach 1:
The control unit receives feedback from the mobile terminal regarding battery status and charging requirements, and dynamically adjusts the output voltage and current accordingly, ensuring safe charging operation through continuous monitoring and adjustment
Solution Approach 2:
The charging apparatus performs preliminary AC-DC conversion and voltage regulation before power delivery to the mobile terminal, ensuring that safe and stable DC power is provided from the beginning of the charging process
3Extent of automation
If control chip and detection circuits are added to improve intelligence, then charging intelligence and safety are improved, but device complexity increases
Solution Approach 1:
The control chip integrates communication processing, power management control, and coordination of detection circuits into a single centralized unit, reducing the effective complexity by consolidating multiple control functions into one intelligent component
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 configuration enhances the charging apparatus's intelligence, enabling dynamic power management, improved safety, and compatibility with various charging modes, including quick charging, by allowing real-time data exchange and control with the mobile terminal.
Implementation Method 1
a power supply circuit 13 connected with the input end 11 and the USB interface 12 respectively, and configured to convert the alternating current inputted through the input end 11 into a direct current
Data Source
Figure 1
AI summary
It is provided a charging apparatus of a mobile terminal. The charging apparatus includes the follows. A control chip connected with the USB interface and configured to exchange data with the mobile terminal through a data line of the USB interface. A current detection circuit connected with the power supply circuit and configured to detect a current output current of the power supply circuit. A voltage detection circuit connected with the power supply circuit and configured to detect a current output voltage of the power supply circuit. A digital to analog converter (DAC) connected with the current detection circuit, the voltage detection circuit, and the control chip respectively; the current detection circuit and the voltage detection circuit are configured to provide the control chip with the current value of the current output current and the voltage value of the current output voltage respectively through the DAC. A power adjusting circuit connected with the control chip and the power supply circuit respectively, wherein configured to adjust an output power of the power supply circuit based on the control of the control chip. The intelligent level of the mobile terminal can be improved.