Integrated Battery Portion in Electric Vehicle Frame

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Solution Overview

Problem

Existing solutions for electrically driven vehicles require a separate battery frame for mechanical stability and protection, leading to additional weight and reduced range.

Innovation Solution

The vehicle frame integrates a battery portion to receive and fasten individual battery modules, eliminating the need for a separate battery frame by incorporating mechanical force transmission and battery module reception, allowing for sequential or simultaneous insertion during assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a separate battery frame is used to ensure mechanical stability and protection for battery modules, then the mechanical stability and protection are improved, but the vehicle weight increases

Engineering Contradiction:

Improvemechanical stability and protectionVSAvoidvehicle weight

Core Design Contradiction:

StrengthVSWeight of moving object

Solution Approach 1:

The patent merges the battery frame function with the vehicle frame by integrating a battery portion directly into the vehicle frame structure. The vehicle frame now serves dual purposes: providing mechanical support for the vehicle and housing the battery modules, thereby eliminating the need for a separate battery frame and reducing overall vehicle weight

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The vehicle frame is designed to perform multiple functions simultaneously. Besides its traditional role of transmitting mechanical forces and supporting vehicle components, the vehicle frame now also provides structural housing and mechanical protection for the battery modules through the integrated battery portion

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If a separate battery frame is used to fasten battery modules, then the mechanical protection is improved, but the device complexity increases

Engineering Contradiction:

Improvemechanical protectionVSAvoidstructure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the battery frame structure with the vehicle frame by integrating the battery portion directly into the vehicle frame. This merging eliminates the separate battery frame component and its associated fastening systems, thereby reducing device complexity while maintaining mechanical protection through the vehicle frame's inherent structural integrity

Inventive Principle:

Principle #5Merging (Combining)

3Ease of manufacture

If individual battery modules are premounted in a battery frame, then the assembly process is simplified, but the vehicle weight increases

Engineering Contradiction:

Improveassembly processVSAvoidvehicle weight

Core Design Contradiction:

Ease of manufactureVSWeight of moving object

Solution Approach 1:

The patent integrates the battery portion directly into the vehicle frame, allowing battery modules to be mounted directly to the vehicle frame structure. This eliminates the intermediate battery frame step, simplifying the assembly process while simultaneously reducing vehicle weight by removing the unnecessary battery frame structure

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS10611408B2Vehicle body for an electrically driven vehicle

Publication Date: 2020.04.07 DR ING H C F PORSCHE AG

AI summary

A vehicle body for an electrically driven vehicle, having a vehicle frame for transmitting mechanical forces during the operation of the vehicle. The vehicle frame has a battery portion for receiving at least two battery modules, and the battery portion has at least one fastening interface for fastening the at least two battery modules in the received position.