Universal Charger with Battery Identification and Balance Control
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Solution Overview
Problem
Existing chargers are not fully compatible with both smart and non-smart rechargeable batteries, posing safety hazards and leading to resource wastage due to the need for separate chargers for each type.
Innovation Solution
A charger with a power output interface, signal interface, balance charging interface, and control circuit that can identify and authenticate battery types, processing alternating or direct current to output a charging signal suitable for either smart or non-smart batteries, and perform balance charging control to ensure safe and efficient charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing chargers are used for both smart and non-smart batteries, then resource utilization improves, but safety hazards increase due to incompatibility
Solution Approach 1:
The charger is designed with multiple charging interfaces including a first charging interface for smart batteries and a second charging interface for non-smart batteries. The control circuit automatically identifies battery type through communication protocols and switches between different charging modes, enabling one charger to safely serve both battery types without requiring separate dedicated chargers
Solution Approach 2:
A battery identification module acts as an intermediary between the charger and the battery. This module detects battery type through communication signals and provides this information to the control circuit, which then selects the appropriate charging protocol. This intermediary mechanism ensures safe charging by preventing mismatched charging modes before they can cause safety issues
2Reliability
If separate chargers are designed for smart and non-smart batteries, then charging safety is ensured, but resource waste occurs
Solution Approach 1:
The charger integrates multiple charging functions into a single device by providing both a first charging interface for smart batteries and a second charging interface for non-smart batteries. The control circuit dynamically selects the appropriate charging mode based on battery type identification, allowing one charger to replace what would traditionally require two separate chargers, thus eliminating resource waste while maintaining safety
Solution Approach 2:
The charger employs dynamic charging mode switching based on real-time battery type detection. The control circuit adjusts charging parameters, current limits, and communication protocols dynamically according to whether a smart or non-smart battery is detected, enabling a single charger to adapt its behavior to different battery types without compromising safety
3Ease of manufacture
If a single charger design is used for all batteries, then manufacturing cost decreases, but charging precision deteriorates for different battery types
Solution Approach 1:
The control circuit implements dynamic charging parameter adjustment based on battery type detection. For smart batteries, it uses communication protocols to negotiate optimal charging parameters including current limits, voltage thresholds, and charging stages. For non-smart batteries, it applies predetermined charging profiles with appropriate current and voltage limits. This dynamic adaptation maintains high charging precision across different battery types while using a single standardized hardware platform
Solution Approach 2:
The charger changes multiple operating parameters dynamically based on battery type: charging current limits, voltage thresholds, communication protocols, and charging stage transitions. The control circuit adjusts these parameters in real-time based on feedback from the battery identification module and battery status, ensuring precise charging control for each battery type despite using a unified charger design
4Manufacturing precision
If battery type identification is implemented, then charging accuracy improves, but device complexity increases
Solution Approach 1:
A dedicated battery identification module serves as an intermediary component that handles all communication and detection functions. This module communicates with the battery through standardized protocols, identifies battery type, and provides this information to the control circuit. By concentrating all identification logic in this single intermediary module, the overall system complexity is managed while achieving accurate battery type recognition and appropriate charging control
Data Source
AI summary
A charger includes a power output interface configured to output a charging signal, a signal interface configured to acquire charging information of a battery, a balance charging interface configured to perform balance charging control over sets of battery cores of the battery, and a control circuit electrically connected to the power output interface, the signal interface, and the balance charging interface. The control circuit is configured to select the signal interface and/or the balance charging interface to perform charging control over the battery.