Portable Jump Starter with Air Pump and Polarity Detection
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Solution Overview
Problem
Current vehicle jump starters and air compressors are cumbersome, prone to malfunctions, and lack safety features, with existing solutions being either complex, costly, or inefficient, particularly for heavy-duty applications and lithium-ion battery integration.
Innovation Solution
A portable device combining a rechargeable lithium-ion battery pack with a DC motor, microcontroller, and sensors for safe jump-starting and air inflation, featuring a smart switch, polarity detection, and power management to prevent overcharging and improper connections, along with a conductive frame for efficient power transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If portable vehicle air pumps use conventional compressors, then air compression function is provided, but the device becomes loud and heavily vibrates
Solution Approach 1:
The patent combines the air compressor and jump starter functions into a single integrated device, sharing common components such as the battery, housing, and control circuitry. This merging reduces overall device complexity and allows the compressor to be optimized for low noise and vibration while maintaining performance.
Solution Approach 2:
The patent employs a DC motor-driven compressor with optimized operating parameters to achieve low noise and vibration levels. The motor speed and compression cycle parameters are controlled to minimize harmful effects while maintaining effective air compression capability.
2Length of moving object
If DC power cords are routed to vehicle accessory ports, then power supply is achieved, but the power cord and air hose must be long to reach tires
Solution Approach 1:
The patent extracts the power supply function from external vehicle accessory ports and integrates it into the device itself through a built-in rechargeable battery. This eliminates the need for long power cords and complex routing to reach vehicle ports or tires.
Solution Approach 2:
The device is self-powered through its internal battery system, eliminating dependence on external vehicle power sources. The battery provides autonomous operation for both jump starting and air compression functions without requiring connection to vehicle electrical systems.
3Reliability
If jump starter uses traditional jumper cables, then battery jump starting is achieved, but safety risks arise from improper clamp connections
Solution Approach 1:
The patent incorporates polarity detection circuitry that provides feedback to verify correct connection before enabling power transfer. The system detects the polarity of connected battery terminals and prevents operation if improper connection is detected, eliminating short circuit hazards while maintaining reliable jump starting capability.
4Adaptability or versatility
If portable jump starter with air pump is developed using advancements in battery technology, then single self-contained product is achieved, but weight and size may increase
Solution Approach 1:
The patent merges two separate functions (jump starter and air pump) into a single integrated device, allowing shared use of the battery power source, housing, and control systems. This consolidation achieves versatility while managing weight by eliminating redundant components that would exist in separate devices.
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
The solution provides a safe, efficient, and portable means for jump-starting vehicles and inflating tires, reducing weight and size while ensuring proper polarity and preventing damage from improper connections, with enhanced power management and conductivity.
Implementation Method 1
A portable device combining a rechargeable lithium-ion battery pack with a DC motor, microcontroller, and sensors
Implementation Method 2
A portable device combining a rechargeable lithium-ion battery pack with a DC motor
Data Source
AI summary
A portable or handheld jump starting and air compressing apparatus for jump starting a vehicle engine and air inflating an article such as a tire. The apparatus can include a rechargeable lithium ion battery or battery pack and a microcontroller. The lithium ion battery is coupled to a power output port of the device through a FET smart switch actuated by the microcontroller. A vehicle battery isolation sensor connected in circuit with positive and negative polarity outputs detects the presence of a vehicle battery connected between the positive and negative polarity outputs. A reverse polarity sensor connected in circuit with the positive and negative polarity outputs detects the polarity of a vehicle battery connected between the positive and negative polarity outputs.