Vehicular Starter Battery Management System with Segmented Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Vehicular starter batteries face issues with power depletion when not in use for extended periods, leading to reduced storage capacity and inability to start the engine, due to unmanaged charging and discharging processes.
Innovation Solution
A vehicular starter battery management system incorporating a detection unit, processing unit, control unit, and communication unit, with static and dynamic detection circuits, and circuit switches, to monitor and manage charging and discharging, prevent excessive discharge or charge, and alert the user through a warning system, ensuring adequate storage capacity for starting the engine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the battery management unit only uses simple on/off control of charging and discharging circuits, then the device complexity is low, but the measurement precision of battery state monitoring is insufficient
Solution Approach 1:
The detection unit is divided into multiple independent detection circuits: charging current detection circuit, discharging current detection circuit, and battery voltage detection circuit. Each circuit independently monitors specific parameters, enabling precise comprehensive monitoring without requiring a single complex system.
Solution Approach 2:
The processor acts as an intermediary that receives data from simple detection circuits, processes the information, and generates control signals. This intermediary layer enables sophisticated battery management through simple component-level designs.
2Loss of energy
If the battery operates without precise current detection during static mode, then the device complexity is low, but the loss of energy occurs due to unmonitored discharge
Solution Approach 1:
The system performs preliminary detection of battery voltage and current status before entering static mode, and continuously monitors during static storage. This preliminary and continuous monitoring prevents energy loss by detecting abnormal discharge early, without requiring complex real-time intervention systems.
3Reliability
If the battery management system lacks comprehensive detection circuits, then the device complexity is low, but the reliability of battery operation deteriorates
Solution Approach 1:
The system segments monitoring functions into dedicated detection circuits for charging current, discharging current, and battery voltage. This segmentation ensures reliable monitoring of each parameter independently while keeping individual circuit designs simple and manageable.
Solution Approach 2:
The detection circuits continuously provide feedback signals to the processor about battery status. The processor uses this feedback to dynamically adjust charging and discharging control, ensuring reliable operation through continuous monitoring and adjustment without requiring overly complex predictive systems.
4Loss of substance
If the battery allows continuous discharge without monitoring, then the ease of operation is high, but the loss of substance occurs as battery capacity depletes
Solution Approach 1:
The battery management system automatically monitors discharge current and voltage, and the processor autonomously controls the discharging circuit to prevent over-discharge. This self-service mechanism prevents capacity depletion without requiring user intervention or complex manual management procedures.
Solution Approach 2:
The discharging current detection circuit provides continuous feedback to the processor, which automatically adjusts the discharging circuit based on battery status. This feedback loop prevents capacity loss by stopping discharge before dangerous levels are reached, maintaining ease of operation through automatic protection.
Data Source
Figure 1
Figure 2
AI summary
A vehicular starter battery (3) management system includes a detection unit (10), a processing unit (30), a control unit (40), a discharging circuit (50) and a communication unit (60). The detection unit (10), the control unit (40), and the communication unit (60) are coupled respectively with the processing unit (30). The discharging circuit (50) is coupled with the control unit (40). The detection unit (10) includes a static detection circuit (11) and a dynamic detection circuit (12). The static detection circuit (11) includes a micro current detection circuit (112), an anti-theft detection circuit (114) and a static voltage detection circuit (116). The dynamic detection circuit (12) includes a dynamic voltage detection circuit (122), a dynamic current detection circuit (124) and a temperature detection circuit (126). The processing unit (30) transmits a signal to the control unit (40) and the communication unit (60) based upon the current intensity, the voltage, the temperature and the time at which the battery management system (1) enters into the static mode, detected by the detection unit (10), thereby operating the control unit (40) to protect the vehicular starter battery (3). The processing unit (30) uses the communication unit (60) to transmit a signal to and receive a signal from a hand-held communication device equipped with an application.