Integrated Battery Case Beam for Bottom Impact Protection
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Solution Overview
Problem
Current battery anti-collision beams in electric vehicles have a simple structure with weak strength, limiting their ability to protect the battery pack from impacts, and some vehicles cannot be equipped with such beams due to structural constraints.
Innovation Solution
A battery case with an integrated anti-collision beam structure featuring a crushing portion at the bottom to destroy foreign objects and a guide portion to direct them away from the battery pack, enhancing protection and structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a battery anti-collision beam is mounted at the chassis of the vehicle, then the battery pack is protected from bottom collisions, but the beam has a simple structure with weak strength
Solution Approach 1:
The patent merges the anti-collision beam function with the battery case structure by integrating reinforcing ribs directly into the battery case bottom. This combines the protective function with the existing structural component, eliminating the need for a separate simple beam while achieving both protection and strength through the integrated rib structure
Solution Approach 2:
The patent employs composite structural design by combining the battery case with integrated reinforcing ribs formed from aluminum alloy materials. The ribs are designed with specific cross-sectional shapes and arrangements to create a composite structure that provides both protective function and high strength, overcoming the weakness of simple beam structures
2Device complexity
If the battery anti-collision beam is integrated with the front suspension, then the structure is simplified, but the beam cannot provide good protection for the battery pack
Solution Approach 1:
The patent merges the anti-collision function directly into the battery case structure through integrated reinforcing ribs, eliminating the need for separate beam components and their complex integration with suspension systems. This integration achieves both structural simplification and improved protection capability
Solution Approach 2:
The battery case with integrated reinforcing ribs serves multiple functions: it provides structural support for the battery pack, offers protection from bottom collisions, and maintains structural integrity without requiring separate anti-collision components. This multi-functionality resolves the contradiction between simplicity and effectiveness
3Adaptability or versatility
If some vehicles are limited by the front suspension structure, then they cannot be equipped with battery anti-collision beams, but the battery pack still needs protection
Solution Approach 1:
The patent merges the anti-collision protection function directly into the battery case structure, making it independent of vehicle suspension systems. This integration allows the protection mechanism to be applied to any vehicle platform without being constrained by front suspension structure limitations
Solution Approach 2:
The battery case with integrated reinforcing ribs provides universal protection capability that can be applied across different vehicle types without requiring vehicle-specific suspension integration. The self-contained design achieves both adaptability to various vehicles and reliable protection capability
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
The integrated anti-collision beam effectively prevents battery pack damage from bottom collisions by crushing and guiding foreign objects away, enhancing the structural strength and versatility of the battery pack.
Implementation Method 1
The anti-collision beam includes a crushing portion configured to crush and destroy foreign matters at the bottom
Implementation Method 2
the anti-collision beam further includes a guide portion configured to guide the foreign matters crushed by the crushing portion to an outside of the battery case
Implementation Method 3
the crushing portion is made of an aluminum profile and welded to a bottom guard plate of the battery case
Data Source
AI summary
The present disclosure relates to power batteries, with an integrated anti-collision beam structure. The battery case comprises a battery case and an anti-collision beam arranged at the bottom of the battery case, wherein the anti-collision beam comprises a crushing portion which is configured to crush and destroy foreign matters at the bottom thereof. By providing the anti-collision beam at the bottom of the battery case, the integration of the anti-collision beam structure and the battery case is realized, such that the structural design of the anti-collision beam is no longer limited to a front suspension structure. The anti-collision beam can realize the crushing and destroying of the foreign matters at the bottom thereof, such that damage to the battery pack caused by a direct collision between the foreign matters at the bottom thereof and the battery case can be effectively prevented, thereby achieving an effect of effectively protecting the battery pack.