Vehicle Jump Starter Connection Sensing for Reverse Polarity Protection
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Solution Overview
Problem
Current jump starter devices lack the ability to automatically detect suitable connections with a vehicle, potentially causing damage due to issues like short circuits, over-voltage batteries, or reverse polarity connections, which existing technologies fail to address effectively.
Innovation Solution
Incorporating load sensors and a controller to measure and analyze load data, determining the status of the vehicle's battery and connection conditions, allowing the jump starter device to select appropriate operational modes and prevent damage by identifying conditions such as over-voltage, reverse polarity, or short circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a portable car jump starter device is used to replace another working vehicle, then the availability and convenience of jump-starting is improved, but the risk of damage due to unsuitable connections (short circuits, over-voltage, reverse polarity) increases
Solution Approach 1:
The controller performs preliminary detection of connection suitability before enabling the jump starter to operate. Load sensors measure load data and the controller determines whether the connection is suitable (no short circuit, correct voltage range, correct polarity) before allowing power delivery, preventing damage before it occurs
Solution Approach 2:
The system continuously monitors load data through sensors and provides feedback to the controller, which adjusts operation or prevents operation based on the detected conditions. The system feedback loop ensures safe operation by comparing measured parameters against safe operating ranges
2Reliability
If load sensors and controller are added to detect vehicle conditions, then the safety and reliability of the jump starter device is improved, but the device complexity increases
Solution Approach 1:
The controller serves multiple functions: it controls the power delivery, monitors load data, determines connection suitability, and manages safety protocols. The load sensors serve dual purposes by detecting both the presence of a load and the characteristics of that load (voltage, current, resistance), reducing the need for separate dedicated components for each function
Data Source
AI summary
A jump starter device can include sensors to measure data of a vehicle coupled to the jump starter device. The jump starter device can include a controller configured to process the load data to determine the status of the load, such as the conditions of the vehicle connected to the jump starter.