Battery Charging Control Circuitry for Defective Battery Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing battery charging and maintaining systems lack the ability to effectively identify defective or failing batteries during the charging process, making it difficult to remove such batteries from the charger.
Innovation Solution
A system incorporating power conversion circuitry, electrical conductors, and control circuitry that monitors the charging or maintaining of batteries by determining whether the battery is defective or failing based on output power and time thresholds, alerting users if the current exceeds a predetermined threshold for a specified time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional battery charging systems are used without monitoring capabilities, then the charging process is simple and device complexity is low, but the ability to detect defective or failing batteries is insufficient
Solution Approach 1:
The patent implements feedback by continuously monitoring charging current and comparing it against expected profiles. The control circuitry receives feedback signals from current sensors during the charging process, analyzes deviations from normal charging patterns, and uses this feedback to identify defective batteries. This closed-loop monitoring system enables accurate detection of battery defects while maintaining manageable system complexity through standardized feedback mechanisms.
Solution Approach 2:
The patent replaces manual inspection methods with automated electronic monitoring systems. Instead of physically examining batteries or relying on manual testing procedures, the system uses electronic sensors and control circuitry to automatically detect defective batteries through electrical parameter monitoring. This substitution of mechanical/manual processes with electronic automation improves detection precision while keeping the overall system complexity acceptable.
2Reliability
If continuous monitoring of battery charging is implemented, then defective batteries can be identified timely, but the loss of time for monitoring and processing data increases
Solution Approach 1:
The patent applies preliminary action by establishing expected charging current profiles and thresholds before the charging process begins. The system pre-configures monitoring parameters, acceptable current ranges, and defect detection criteria in advance. During charging, the system only needs to compare real-time measurements against these pre-established benchmarks, enabling rapid defect identification without requiring extensive real-time analysis or delaying the charging process.
Solution Approach 2:
The patent utilizes parameter changes by monitoring variations in charging current characteristics over time. Instead of continuous complex analysis, the system detects specific parameter changes such as current deviations exceeding predetermined thresholds or abnormal current patterns that indicate battery defects. This approach enables timely defect detection by focusing on critical parameter changes rather than comprehensive continuous monitoring, thereby maintaining battery safety while minimizing time loss.
3Measurement precision
If advanced monitoring systems with multiple sensors are used, then measurement precision for detecting battery defects improves, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent applies universality by designing a monitoring system where the control circuitry performs multiple functions: it monitors charging current, compares measurements against expected profiles, identifies defective batteries, and controls the charging process. This multi-functional approach eliminates the need for separate dedicated components for each function, thereby improving defect detection accuracy while maintaining manufacturing simplicity through a consolidated, versatile control system.
Solution Approach 2:
The patent implements self-service by enabling the control circuitry to automatically analyze charging current data and identify defective batteries without requiring external intervention or complex additional processing systems. The monitoring system serves itself by using the existing charging current measurements to detect defects, eliminating the need for separate diagnostic equipment or manual inspection processes. This self-service capability improves detection accuracy while keeping the system manufacturable and relatively simple.
Data Source
Figure 1~2
Figure 3~5
Figure 6~7
AI summary
The present disclosure relates to a system (10) for charging or maintaining a battery (12) that includes power conversion circuitry (42) configured to provide output power for charging or maintaining the battery (12). The system (10) also includes electrical conductors (36) coupled to the power conversion circuitry (42) and configured to be coupled to the battery (12) for charging or maintaining the battery (12). Additionally, the system (10) includes control circuitry (38) coupled to the power conversion circuitry (42) and configured to monitor charging or maintaining of the battery (12). The control circuitry (38) is further configured to determine whether the battery (12) may be defective or failing based upon the output power and a time threshold.