Battery Pressure Plate Layout for Vehicle Crash Space Constraints
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Solution Overview
Problem
The protection of electrochemical energy stores in vehicles requires significant installation space, reducing the available space for the energy store itself and affecting the vehicle's overall design and safety.
Innovation Solution
A vehicle structure with an extended pressure plate that redirects forces from the longitudinal profile to the cross members during deformation, thereby protecting the electrochemical energy store and optimizing space utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electrochemical energy store is protected by a robust vehicle structure with deformation space, then safety is improved, but installation space is reduced
Solution Approach 1:
The pressure plate is segmented into a basic pressure plate and an extended pressure plate with diagonal members. The extended pressure plate divides the deformation space into multiple zones and redirects forces through diagonal members to cross members, providing enhanced protection while maintaining compact space utilization.
Solution Approach 2:
The extended pressure plate introduces diagonal members that extend in additional spatial dimensions (at angles to the longitudinal axis). This dimensional extension allows forces to be redirected to cross members without increasing the overall longitudinal footprint, effectively utilizing three-dimensional space for force distribution.
2Strength
If the longitudinal profile is made more robust to protect the energy store, then strength is improved, but space utilization is reduced
Solution Approach 1:
The extended pressure plate acts as an intermediary component between the longitudinal profile and the basic pressure plate. It redirects forces from the longitudinal profile through diagonal members to the cross members, reducing the need for an overly robust longitudinal profile while maintaining protection strength.
Solution Approach 2:
The protection function is extracted from the longitudinal profile and transferred to the extended pressure plate with its diagonal force-redirection members. This allows the longitudinal profile to be optimized for space utilization while the extended pressure plate provides the necessary strength and force distribution.
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
This configuration enhances the safety of the electrochemical energy store by absorbing deformation energy and reduces the space required for the longitudinal profile, allowing for increased installation space for the energy store and improved vehicle design.
Implementation Method 1
The extended pressure plate is configured to absorb and distribute forces in the event of a deformation, in particular a deformation of the longitudinal profile in the direction of the electrochemical energy store
Implementation Method 2
an extended pressure plate is arranged in this deformation space... configured to absorb and distribute forces in the event of a deformation
Data Source
AI summary
A vehicle structure has an energy store receiving space in which an electrochemical energy store is received and is delimited at below by a lower cross member and above by an upper cross member, a longitudinal profile, and a deformation space arranged geometrically between the longitudinal profile and the electrochemical energy store. The electrochemical energy store has an energy store pressure plate on its side facing the longitudinal profile. An extended pressure plate is arranged in the deformation space having a longitudinal profile contact region for contacting the longitudinal profile, an upper pressure plate cross member extending in the direction of the upper cross member, and a lower pressure plate cross member extending in the direction of the lower cross member.