Hand-held Apparatus Dynamic Charging Voltage Current Adjustment
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Solution Overview
Problem
Rapid charging of smart electronic devices leads to overheating, reducing their lifespan and posing safety concerns due to increased resistance in semiconductor components and battery aging, while also affecting power charging efficiency.
Innovation Solution
A hand-held apparatus with a temperature detection system that adjusts power charging voltage and current based on surface temperature thresholds, reducing voltage when temperatures exceed a reference level and increasing current when temperatures drop below specific thresholds to prevent overheating and optimize charging efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If rapid power charging is applied to smart electronic devices, then charging speed and power consumption are improved, but device temperature increases causing overheating, reduced component reliability, and shortened battery lifespan
Solution Approach 1:
The patent implements dynamic adjustment of power charging parameters (voltage and current) based on real-time temperature monitoring. The controller continuously monitors device temperature and adjusts charging parameters accordingly, transitioning from static fixed-parameter charging to dynamic adaptive charging. This resolves the contradiction by allowing high-speed charging when temperature is acceptable while preventing overheating when temperature rises, thus maintaining both charging speed and component reliability.
Solution Approach 2:
The patent establishes a feedback control loop where the temperature sensor continuously monitors device temperature and feeds this information back to the controller. The controller then adjusts power charging parameters based on the temperature feedback. This closed-loop feedback mechanism enables the system to automatically respond to temperature changes, preventing overheating while maintaining optimal charging speed, thereby resolving the contradiction between charging speed and component reliability.
2Productivity
If high power charging current is applied, then charging efficiency is improved, but device temperature increases causing safety concerns and battery aging
Solution Approach 1:
The patent changes power charging parameters (voltage and current) dynamically based on temperature conditions. When temperature is within acceptable range, higher current and voltage are applied for efficient charging. When temperature exceeds thresholds, the controller reduces current and voltage to prevent overheating. This parameter adjustment strategy resolves the contradiction by adapting charging intensity to thermal conditions, maintaining charging efficiency while preventing harmful overheating.
Solution Approach 2:
The patent implements preventive temperature management by monitoring temperature before critical overheating occurs. Multiple temperature thresholds are set, and the controller takes progressive action (reducing power parameters) before dangerous overheating levels are reached. This beforehand cushioning approach prevents the harmful effect of overheating while maintaining high charging efficiency during safe operating conditions.
3Productivity
If continuous high-temperature exposure occurs during charging, then charging speed is maintained, but battery lifespan is shortened due to increased resistance and aging
Solution Approach 1:
The patent uses temperature feedback from the sensor to continuously adjust charging parameters. When temperature approaches levels that would accelerate battery aging, the controller reduces charging current and voltage, preventing sustained high-temperature exposure. This feedback control protects battery lifespan by avoiding thermal stress while maintaining charging speed during safe temperature conditions.
Solution Approach 2:
The patent implements dynamic charging parameter adjustment based on real-time temperature conditions, preventing static high-temperature exposure. By continuously adapting charging intensity to thermal conditions, the system maintains charging speed when safe but reduces intensity when temperature threatens battery lifespan, thus resolving the contradiction between charging speed and battery durability.
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 effectively increases power charging efficiency without overheating, allowing for continuous operation during charging and extending the lifespan of smart electronic devices by managing temperature and power delivery dynamically.
Implementation Method 1
The temperature sensor is coupled to the casing and detect a surface temperature of the casing
Data Source
AI summary
A hand-held apparatus and a method for power charging management thereof are provided. The method for power charging management includes: providing a power charging voltage and a power charging current to perform a power charging process to the hand-held apparatus, and simultaneously detecting a surface temperature of the hand-held apparatus during the power charging process; activating a power charging management mechanism when the surface temperature is higher than a reference temperature, and simultaneously reducing a voltage value of the power charging voltage; and generating a comparing result by comparing the surface temperature with a plurality of threshold temperatures after the power charging management mechanism is activated, and adjusting a current value of the power charging current based on the comparing result. The reference temperature is lower than the plurality of threshold temperatures and values of the plurality of threshold temperatures are not the same.