Quick-Replace Hybrid Vehicle Modules for Range-Weight Tradeoffs
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Solution Overview
Problem
The contradiction between endurance mileage and load weight in vehicles, particularly in short-distance and long-distance driving, is not adequately addressed, and the cumbersome process of battery replacement in existing hybrid vehicles restricts their development and user acceptance.
Innovation Solution
A quick-replacement hybrid vehicle platform that includes a range extension module with an engine, a battery module, and an electric drive module, featuring quick-replacement connectors and a modular design, allowing for adaptable power supply without directly participating in driving, thus optimizing endurance mileage without increasing noise or weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If hybrid power system components (batteries, motors, electronic controls) are added to extend endurance mileage, then the endurance mileage is improved, but the vehicle weight and complexity increase
Solution Approach 1:
The vehicle power system is segmented into a base electric drive module and an optional range extension module. The range extension module containing the engine and additional battery can be added only when long-distance driving is needed, rather than being permanently installed in all vehicles. This segmentation allows the vehicle to maintain light weight for daily commuting while gaining extended range capability when required.
Solution Approach 2:
The vehicle configuration is made dynamic and adaptable through the quick-replacement mechanism. The range extension module can be quickly attached or detached based on driving needs, transforming the vehicle from a static configuration to a dynamic one that adjusts its weight and capability according to the situation. This dynamic approach resolves the contradiction by allowing the vehicle to be lightweight most of the time while occasionally gaining extended range.
2Duration of action of moving object
If range extension module is permanently installed in the vehicle, then the endurance mileage is improved, but the vehicle becomes cumbersome and the user experience deteriorates
Solution Approach 1:
The vehicle system is divided into essential base components and optional extension components. The range extension module is segmented as a separate, removable unit rather than being permanently integrated. This allows users to have a clean, simple vehicle for daily use while being able to add the extension module for long-distance trips, maintaining ease of operation in both scenarios.
3Ease of operation
If battery replacement process is made quick and simple, then the ease of operation is improved, but the technical complexity of the replacement system increases
Solution Approach 1:
The battery replacement process is merged with the range extension module attachment process. Instead of separate operations, the electrical connectors are integrated into the mechanical coupling mechanism. When the range extension module is attached, the electrical connections are automatically made; when detached, connections are automatically broken. This merging simplifies the user experience while the automated control system manages the technical complexity.
Solution Approach 2:
The electrical connection system is designed to automatically connect and disconnect without manual intervention. The quick-replacement mechanism incorporates self-service features where the electrical contacts engage or disengage automatically as part of the mechanical attachment or detachment process, reducing the complexity of manual wiring operations while maintaining ease of use.
Data Source
AI summary
Disclosed are a quick-replacement hybrid vehicle, a platform and a method. The vehicle includes an electric drive module, a range extension module and a battery module. The range extension module is provided on the vehicle in a quick-replacement manner, and the range extension module includes an engine; the battery module is electrically connected to the range extension module and the electric drive module; and the battery module is provided on the vehicle in the quick-replacement manner.