Modular EV Chassis for Swappable Battery and Fuel Cell Power
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Solution Overview
Problem
Existing electric vehicle chassis designs do not facilitate easy conversion between different power sources, such as rechargeable batteries and hydrogen fuel cells, requiring extensive modifications and being costly and time-consuming.
Innovation Solution
A modular vehicle chassis with a frame comprising a front, central, and rear portion, featuring transition sections and adjustable supports, allowing for the easy removal and installation of power supplies and accommodating various power sources and vehicle configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed chassis design is used, then structural stability is maintained, but conversion between different power sources requires extensive modifications and is costly
Solution Approach 1:
The chassis is divided into modular sections with standardized interfaces, allowing the power supply compartment to be independently removed and replaced. The frame includes separate mounting sections for different power sources with统一的连接接口，enabling easy conversion between battery systems and fuel cell systems without modifying the entire chassis structure.
Solution Approach 2:
The chassis frame is designed with universal mounting interfaces and standardized connection points that can accommodate multiple types of power supplies. The power supply compartment uses standardized fastening mechanisms and electrical connections that work with both rechargeable batteries and hydrogen fuel cells, making the chassis adaptable to different power source configurations.
2Adaptability or versatility
If extensive modifications are made to convert power sources, then power source versatility is achieved, but time and cost increase significantly
Solution Approach 1:
The chassis is pre-configured with multiple power supply mounting positions and standardized connection interfaces during manufacturing. Electrical harnesses, mounting brackets, and connection points are pre-installed to accommodate different power source types, so that conversion only requires removing the old power supply and installing the new one without any structural modifications.
Solution Approach 2:
The power supply mounting system uses removable fastening mechanisms and adjustable support structures that can quickly adapt to different power source configurations. The chassis allows dynamic reconfiguration of the power supply compartment through simple fastener operations rather than permanent modifications, enabling rapid conversion between power source types.
3Adaptability or versatility
If a specialized chassis is designed for each power source type, then power source optimization is achieved, but manufacturing cost and complexity increase
Solution Approach 1:
A single standardized chassis design serves multiple power source applications through universal mounting interfaces and modular power supply compartments. The frame structure, suspension mounting points, and electrical connection systems are designed to accommodate both battery and fuel cell power supplies, eliminating the need to manufacture separate specialized chassis for different power source types.
Solution Approach 2:
The chassis manufacturing process is simplified by segmenting the power supply compartment as a separate modular unit that can be pre-assembled and tested independently. This allows the main chassis frame to be produced in standard configurations, while different power supply units are manufactured separately and installed based on customer requirements, reducing overall manufacturing complexity and cost.
Data Source
AI summary
An electric vehicle chassis includes a chassis frame having a front portion, a rear portion, and a central portion disposed between the front portion and the rear portion. The chassis includes a front bumper assembly connected to the chassis at the front portion and a left-front and right-front suspension assembly connected to the chassis at the front portion, with each front suspension assembly including upper and lower control arms and a shock absorber. The chassis includes a power supply storage compartment disposed in the central portion, the power supply storage compartment being configured to hold a power supply which is selectively detachable from the chassis frame. The chassis further includes a rear bumper assembly connected to the chassis at the rear portion, as well as a left-rear and right-rear suspension assembly connected to the chassis at the rear portion and the central section.