Portable Battery Jump Starter With Detachable Cables and Diode Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current heavy-duty battery jump starters are not portable due to their large size and weight, and they lack essential features like detachable cables, a master switch with backlighting, dual battery diode protection, and a leapfrog charging system, making them unsuitable for efficient and safe use in various vehicles and equipment.
Innovation Solution
A portable rechargeable battery jump starting device with a highly conductive frame, detachable positive and negative cables, a master switch with backlighting for visibility in different lighting conditions, and a dual battery diode bridge for protection, along with a leapfrog charging system for efficient power transfer and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If conventional lead acid batteries are used in heavy duty battery jump starters, then the power output is sufficient for jump starting large vehicles, but the weight becomes hundreds of pounds and the device requires mechanical lifting equipment for movement
Solution Approach 1:
The patent changes the chemical composition parameters of the battery from conventional lead acid to a lithium-based chemistry with specific ratios of lithium iron phosphate, zinc, and other materials. This parameter change enables the battery to deliver equivalent or superior power output while reducing weight by a factor of 5-10 times, transforming the jump starter from a stationary heavy-duty device to a portable one
Solution Approach 2:
The patent employs composite battery materials including lithium iron phosphate (LiFePO4), zinc, manganese, and other metallic compounds in specific configurations. These composite materials provide both the high power density needed for jump starting heavy vehicles and the reduced weight for portability, achieving both contradictory requirements simultaneously
2Power
If conventional battery jump starters are designed for heavy duty applications, then they can handle high current loads, but they lack portability and require fork lifts for movement
Solution Approach 1:
The patent changes the physical and chemical parameters of the battery system to achieve high current density in a compact form. By using lithium-based chemistry with optimized electrode structures and conductive materials, the system delivers hundreds of amps of current while maintaining a weight and size suitable for manual carrying, thus achieving both high power capability and portability
3Reliability
If battery cables are permanently connected in heavy duty jump starters, then the electrical connection is stable, but the device lacks flexibility for different configurations and safety features
Solution Approach 1:
The patent segments the cable connection system into detachable positive and negative cable assemblies that can be independently connected and disconnected. This segmentation allows the cables to be stored in dedicated compartments when not in use, preventing accidental contact, while maintaining reliable electrical connections through proper connectors when attached, thus achieving both stability and flexibility
4Ease of manufacture
If the master switch is designed for basic operation, then the device is simple to manufacture, but it provides insufficient visibility in various lighting conditions including daylight and darkness
Solution Approach 1:
The patent incorporates a backlight system with LEDs that change color or illuminate to indicate different operational states of the master switch. This allows the switch position to be clearly visible in all lighting conditions from bright daylight to complete darkness, while adding minimal complexity to the manufacturing process through the use of standard LED components
5Device complexity
If basic battery protection is implemented, then the device is simple to design, but it lacks comprehensive protection against back-charge and other hazards in dual battery configurations
Solution Approach 1:
The patent introduces diode bridges as intermediary protective components in the dual battery configuration. These diodes act as one-way valves for electrical current, preventing back-charge between batteries and protecting against reverse polarity connections. This adds minimal design complexity while providing comprehensive safety protection for the battery system
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 compact, safe, and efficient means to jump-start vehicles and equipment by maximizing power transmission while ensuring user safety and equipment protection through enhanced visibility and protective features.
Implementation Method 1
a highly electrically conductive frame for use in a portable rechargeable battery jump starting device for conducting as much power as possible from the battery(ies) of the portable rechargeable battery jump starting device to a battery being jump started
Implementation Method 2
a master switch back light system to assist a user viewing the master switch and control mode in day light, sunshine, low light, and in the dark
Data Source
AI summary
A rechargeable battery jump starting device and a rechargeable battery assembly for use in the portable rechargeable battery jump starting device. The portable rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery assembly to a battery being jump started.