Battery Module Connector Fixation Against Diagonal Assembly Forces
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Solution Overview
Problem
Existing battery modules face structural issues with connector damage due to diagonal forces during assembly, necessitating improved stability and fixation in three-axis directions.
Innovation Solution
A battery module design featuring a module connector with a fixing part comprising a first fixing part with hook protrusions and a second fixing part with coupling protrusions to securely fasten the connector in three-axis directions, preventing shaking and damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the module connector is assembled without proper horizontal force application, then assembly process is simple, but the connector is subject to damage due to diagonal forces
Solution Approach 1:
The guide structure acts as an intermediary between the connector body and the module housing, guiding the connector into proper alignment during assembly. The guide groove and guide protrusion work together to mediate the assembly process, ensuring horizontal force application while preventing diagonal misalignment that would cause damage.
Solution Approach 2:
The guide structure performs preliminary alignment action before the connector is fully seated in the module housing. By providing the guide groove and guide protrusion that engage first during assembly, the structure pre-establishes the correct horizontal orientation, preventing subsequent misalignment or damage during the remainder of the assembly process.
2Ease of operation
If the connector is exposed from the module housing for ease of assembling, then accessibility is improved, but the connector is vulnerable to damage from improper force application
Solution Approach 1:
The guide structure serves as a protective intermediary between the exposed connector and external forces during assembly. The guide groove and guide protrusion create a controlled interface that mediates force application, allowing the connector to remain accessible while protecting it from harmful diagonal forces.
Solution Approach 2:
The guide structure provides beforehand protection by creating a force-distributing interface before the connector is fully assembled. The guide groove and guide protrusion cushion against improper force application during the assembly process, preventing damage before it can occur to the vulnerable exposed connector.
3Stability of the object's composition
If the connector is firmly fixed in three-axis directions, then stability is improved, but the assembly process becomes more complex
Solution Approach 1:
The fixing structure is segmented into distinct functional elements: the guide groove for lateral guidance, the guide protrusion for engagement, and the recessed portion for depth control. This segmentation allows each element to provide a specific stabilizing function in different spatial directions, achieving three-axis fixation through simple, modular geometric features rather than a complex integrated mechanism.
Data Source
AI summary
A battery module according to an embodiment includes a cell stack in which a plurality of battery cells are stacked; a module housing to accommodate the cell stack therein; and a module connector electrically connected to the cell stack and of which one side is exposed to an outside of the module housing to receive an external connector; and a fixing part to fix a position of the module connector. The module connector includes a connector part and a connector PCB having a first portion to which the connector part is fixed and a second portion. The fixing part includes a first fixing part to fix the first portion and a second fixing part to fix the second portion.