Detachable EV Energy Pack Structure for Range and Weight Balance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electric vehicles face challenges with low fuel efficiency due to the weight of batteries, limited charging infrastructure, and the need for additional driving skills when towing extra batteries, which affects aesthetic appeal and driving environment.
Innovation Solution
A structure for attaching and detaching an energy pack inside the electric vehicle, featuring a main energy supply device with a storage space and electrodes, a cartridge body with a leg for easy entry and exit, and a handle for convenience, allowing the energy pack to be mounted or removed without altering the vehicle's appearance or driving environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a large battery is installed in the electric vehicle to increase energy capacity for long distance driving, then the energy capacity is improved, but the vehicle weight increases and fuel efficiency decreases
Solution Approach 1:
The battery system is segmented into a main battery installed in the vehicle and a separate additional battery that can be attached or detached. This allows the vehicle to operate with only the main battery for short-distance commuting, reducing weight and improving fuel efficiency, while enabling attachment of the additional battery for long-distance trips to increase energy capacity.
2Weight of moving object
If an additional battery is towed using a trailer to increase energy capacity, then the fuel efficiency is improved, but the driving skill requirement increases and parking restrictions increase
Solution Approach 1:
The battery system is divided into a main battery and a detachable additional battery, eliminating the need for trailer towing. The additional battery can be easily attached or detached from the vehicle by the driver without requiring special driving skills or knowledge of trailer operation.
Solution Approach 2:
A simplified coupling mechanism serves as an intermediary between the vehicle and the additional battery, replacing the complex trailer coupling system. This intermediary mechanism allows easy attachment and detachment without requiring the driver to master trailer handling skills.
3Weight of moving object
If an additional battery is towed using a trailer to increase energy capacity, then the fuel efficiency is improved, but the aesthetic sense of the vehicle exterior deteriorates
Solution Approach 1:
The additional battery is extracted from the vehicle's permanent structure and designed as a separate, detachable unit. When not in use, it can be removed completely, preserving the vehicle's original aesthetic appearance. When needed, it can be attached in a manner that does not significantly compromise the vehicle's exterior design.
4Adaptability or versatility
If a trailer is used to transport an additional battery, then the energy capacity flexibility is improved, but the parking convenience deteriorates
Solution Approach 1:
The battery system is segmented into a permanent main battery and a portable additional battery. The additional battery can be easily attached or detached at parking locations, allowing the vehicle to maintain full parking convenience while still providing energy capacity flexibility when needed.
Data Source
AI summary
The present invention relates to a structure for attachment/detachment of an energy pack for an electric vehicle and, more specifically, a structure for attachment/detachment of an energy pack for an electric vehicle, wherein: the energy capacity of a main energy supply device is reduced, and thereby fuel economy/efficiency can be increased through weight reduction; and an energy pack capable of additional energy supply is separately provided and detachably attached inside the vehicle depending on the travel distance of the vehicle, and thereby the driving conditions of the electric vehicle can be optimized without a need to change driving qualifications.