External Charging Control to Reduce Mobile Device Heat
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Solution Overview
Problem
Existing mobile devices face heating issues during charging due to inefficiencies in power conversion and limited space for charging management chips, which can affect user experience, product lifespan, and safety.
Innovation Solution
An electronic device and charging device system where the electronic device includes a processor to detect battery status and send charging requests, and the charging device includes modules for current and voltage regulation controlled by a processor, eliminating the need for a charging management chip in the electronic device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a charging management chip is used in the mobile device for power conversion, then charging control function is achieved, but heat is generated affecting user experience and product life
Solution Approach 1:
The charging management chip is extracted from the mobile device and relocated to the charging device. The mobile device retains only the charging interface and basic connection circuitry, while all power conversion and management functions are performed externally by the charging device's management chip, eliminating the heat-generating component from the mobile device.
Solution Approach 2:
The charging device serves as an intermediary between the power source and the mobile device battery. It performs all power conversion, regulation, and management functions externally, acting as a mediator that handles the thermal management burden away from the mobile device while still enabling controlled charging.
2Adaptability or versatility
If the mobile device functions become increasingly diversified and sizes become miniaturized, then device functionality is improved, but space for charging management chip is reduced
Solution Approach 1:
The charging management chip and associated power conversion components are extracted from the mobile device's internal volume. This externalization frees up precious internal space within the miniaturized device, allowing for more diversified functions and components without the thermal management burden.
3Loss of energy
If power conversion efficiency is improved in the charging management chip, then less heat is generated, but device complexity increases
Solution Approach 1:
The charging device integrates multiple functions including power conversion, voltage regulation, current control, and battery management into a single external unit. This consolidation of functions that would otherwise require multiple separate components in the mobile device reduces overall system complexity while maintaining high power conversion efficiency.
Solution Approach 2:
The charging device is designed as a universal charging solution that can handle multiple charging protocols, power levels, and battery types. This multi-functional external device eliminates the need for the mobile device to contain complex, specialized charging management circuitry for each charging scenario.
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 reduces heating in electronic devices during charging, lowers device costs, and conserves internal space by shifting the charging management functions to the charging device.
Implementation Method 1
a current regulating module, connected to the second interface; a voltage regulating module, connected to the current regulating module
Implementation Method 2
a voltage regulating module, connected to the current regulating module
Data Source
AI summary
An electronic device, a charging device, and a charging control method. The electronic device includes: a first interface, configured to connect to a second interface of the charging device; a battery, connected to the first interface; a sending module, connected to the first interface; and a processor, separately connected to the battery and the sending module, and configured to detect a status of the battery and/or send a charging request message to the charging device through the sending module.