Battery Presence Detection Without Charging Loop Interruption
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Solution Overview
Problem
Existing battery presence detection methods for rechargeable batteries with only a '+' and '-' terminal are inefficient, as they require periodic disconnection of the charging loop, leading to increased charging time and energy consumption, which reduces system efficiency and battery life.
Innovation Solution
A battery presence detecting apparatus and method that includes a detection triggering module, a logic control module, a charging and discharging balancing module, and a detection determining module, which detects charging current and voltage thresholds to determine battery presence without periodically turning off the charging loop, performing charging and discharging operations during detection to minimize energy loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If periodic disconnection of charging loop is used for battery presence detection, then detection can be performed, but charging time increases and system efficiency decreases
Solution Approach 1:
The patent implements continuous battery presence detection through the detection triggering module that continuously monitors battery status without interrupting the charging loop, allowing charging to proceed uninterrupted while detection occurs continuously in the background
Solution Approach 2:
The detection triggering module performs preliminary detection of battery presence before full charging operations commence, and the logic control module prepares detection sequences in advance, allowing the system to detect battery presence proactively without waiting for charging interruptions
2Measurement precision
If periodic disconnection of charging loop is used for battery presence detection, then detection can be performed, but energy consumption increases and battery life decreases
Solution Approach 1:
The charging loop remains continuously connected and operational while detection is performed through separate monitoring circuits, eliminating the need to disconnect charging connections and waste energy during detection cycles
Solution Approach 2:
The detection system uses the existing battery and charging circuitry to perform self-detection through voltage and current monitoring, without requiring external power sources or additional energy-intensive detection mechanisms
3Reliability
If continuous detection is performed, then battery presence can be monitored in real-time, but detection errors may occur and system stability decreases
Solution Approach 1:
The logic control module receives feedback from the detection triggering module and the charging and discharging balancing module, processing detection results through logical operations to determine battery presence status, and provides feedback signals to confirm detection outcomes and maintain system stability
Solution Approach 2:
The detection system dynamically adjusts its operation based on charging current levels, activating detailed detection sequences only when current drops below thresholds that indicate potential battery removal, rather than continuously operating at full detection intensity
4Loss of energy
If charging and discharging operations are performed during detection, then energy loss is minimized, but detection complexity increases
Solution Approach 1:
The charging and discharging balancing module serves dual functions: it performs normal battery charging/discharging operations and simultaneously executes detection sequences by controlling charge/discharge cycles during detection periods, eliminating the need for separate dedicated detection hardware
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 allows for efficient battery presence detection without affecting charging efficiency, prolonging battery life by reducing unnecessary energy consumption and avoiding continuous detection errors that could destabilize the charging system.
Implementation Method 1
a detection triggering module, configured to detect a charging current on a battery terminal
Implementation Method 2
a detection determining module, configured to detect a voltage on the battery terminal when the first detection instruction is received
Data Source
AI summary
Embodiments of the present invention provide a battery presence detecting apparatus, including: a detection triggering module, configured to detect a charging current on a battery terminal and trigger a logic control module when the charging current is less than a preset current threshold; the logic control module, configured to turn off a battery charging system and instruct a charging and discharging balancing module to perform a charging operation and then a discharging operation on the battery terminal; and a detection determining module, configured to detect a voltage on the battery terminal when the discharging operation is performed and determine whether the voltage on the battery terminal is less than a preset detection voltage, and if the voltage on the battery terminal is less than the preset detection voltage, determine that the battery is absent, and otherwise, determine that the battery is present.