Energy Storage Module Restriction Mechanism
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Solution Overview
Problem
Energy storage modules in vehicles are prone to damage from vibrations and impacts, which can impair the reliability of the energy storage apparatus by causing the module to vibrate or swing within its housing.
Innovation Solution
The energy storage apparatus is designed with a housing that includes a container body and a lid portion, featuring a first restricting portion to fix the module to the bottom wall and a second restricting portion to secure it to the lid, thereby restricting movement and reducing the effects of vibrations and impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the energy storage module is housed in a housing without movement restriction, then the ease of manufacture and assembly is improved, but the reliability deteriorates due to vibrations and impacts causing module damage
Solution Approach 1:
The housing is segmented into multiple functional components: container body, lid portion, first restricting portion (at bottom), and second restricting portion (at top). This segmentation allows each component to perform its specific function while collectively providing comprehensive movement restriction and vibration suppression for the energy storage module.
Solution Approach 2:
The first and second restricting portions are pre-installed on the housing structure before the energy storage module is installed. This preliminary action ensures that the module is immediately constrained against vibrations and impacts from the moment of installation, preventing damage before it occurs.
2Object-affected harmful factors
If the energy storage module is allowed to move freely in the housing, then the ease of operation and maintenance is improved, but the object-affected harmful factors worsen due to vibrations and impacts
Solution Approach 1:
The restricting portions are strategically positioned at specific locations (bottom and top of the housing) where they most effectively counteract vibrations and impacts. This localized placement provides optimal protection while maintaining ease of operation, as the module remains accessible for maintenance through the structured housing design.
Data Source
AI summary
An energy storage apparatus includes: a housing which has a container body and a lid portion provided with external connection terminals; an energy storage module which is arranged in the housing, the energy storage module having a cell stack; a bolt which restricts movement of the energy storage module with respect to a bottom wall of the container body; and a support member which restricts movement of the energy storage module with respect to the lid portion.