Power Storage Module Frame Layout for Cooling and Impact Resistance
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Solution Overview
Problem
Conventional power storage devices with openings in the outer frame member for heat dissipation compromise the structural strength and impact resistance, posing a risk to durability.
Innovation Solution
A power storage device design featuring a framework with cross members and panel members extending in specific directions, incorporating abutting portions to seal gaps and form a labyrinth structure, using identical or differently thermally expanding metal components to enhance durability and prevent water ingress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the bottom portion of the outer frame member is provided with an opening for heat dissipation, then heat dissipation performance is improved, but structural strength and impact resistance are reduced
Solution Approach 1:
The outer frame member is divided into multiple segments: the main body portion and the bottom portion. The bottom portion is separated from the main body and positioned below it, allowing the main body to maintain structural integrity while the bottom portion provides heat dissipation functionality through its open structure.
Solution Approach 2:
The bottom portion is disposed in a spatial arrangement below the main body, utilizing the vertical dimension to separate the structural function (main body) from the heat dissipation function (bottom portion). This dimensional separation allows both functions to coexist without compromising each other.
2Temperature
If the bottom portion of the outer frame member is provided with an opening for heat dissipation, then heat dissipation performance is improved, but impact resistance is reduced
Solution Approach 1:
The outer frame member is segmented into a main body and a bottom portion that are structurally separated. The bottom portion can be designed with an open structure for heat dissipation while the main body maintains impact resistance, resolving the contradiction between heat dissipation and impact resistance.
Solution Approach 2:
By disposing the bottom portion below the main body in the vertical dimension, the patent allows the main body to provide impact resistance while the bottom portion provides heat dissipation, eliminating the need to compromise impact resistance for heat dissipation functionality.
3Reliability
If panel constituting members are disposed side by side to cover power storage modules, then structural coverage and protection are improved, but manufacturing complexity increases
Solution Approach 1:
Multiple panel constituting members are designed with substantially the same structure and configuration. This homogeneity simplifies manufacturing processes and reduces production complexity while still providing comprehensive structural coverage when the members are disposed side by side to cover the power storage modules.
Data Source
AI summary
A power storage device includes: a plurality of power storage modules; a pair of frame members extending along a first direction, and disposed to be spaced in a second direction perpendicular to the first direction such that the plurality of power storage modules are located therebetween; a plurality of cross members each connecting the pair of frame members to define a region in which each of the plurality of power storage modules is disposed; and a panel member covering the plurality of power storage modules. The plurality of cross members extend along the second direction and are disposed side by side in the first direction. The panel member includes a plurality of panel constituting members extending along the first direction and disposed side by side in the second direction.