Battery Assembly Rib Hanger Coupling Tap Positioning
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Solution Overview
Problem
The existing battery assembly design faces challenges in accurately positioning the coupling tap on electrode terminals due to the lack of a fixing mechanism, leading to defects during the welding process and reduced productivity.
Innovation Solution
The battery assembly incorporates a projection rib on the coupling tap and a rib hanger on the internal frame, allowing the bare cells to be closely adhered and fixed in place during welding, ensuring precise positioning of the coupling tap and reducing defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the coupling tap is positioned on the plurality of electrode terminals without a fixing mechanism, then the structure is simple, but the positioning precision deteriorates and the coupling tap may be distorted or bent
Solution Approach 1:
The internal frame is designed with rib hangers in advance that can receive and fix the projection ribs of the coupling tap before the welding process begins. This preliminary positioning structure ensures that the coupling tap is accurately positioned on the electrode terminals before welding, preventing distortion and bending during the manufacturing process.
2Device complexity
If the coupling tap is positioned on the plurality of electrode terminals without a fixing mechanism, then the device complexity is low, but the reliability deteriorates due to distortion and bending
Solution Approach 1:
The internal frame is designed with rib hangers in advance that can receive and fix the projection ribs of the coupling tap before the welding process begins. This preliminary positioning structure ensures that the coupling tap is accurately positioned on the electrode terminals before welding, preventing distortion and bending during the manufacturing process.
Solution Approach 2:
The rib hangers act as an intermediary fixing mechanism between the coupling tap and the internal frame. These rib hangers receive the projection ribs of the coupling tap and provide stable support, preventing the coupling tap from distorting or bending during the welding process, thereby ensuring reliable coupling.
3Ease of manufacture
If the plurality of bare cells are not fixed during welding, then the manufacturing process is simple, but the productivity deteriorates due to defects generation
Solution Approach 1:
The internal frame is designed with rib hangers in advance that can receive and fix the projection ribs of the coupling tap before the welding process begins. This preliminary positioning structure ensures that the coupling tap is accurately positioned on the electrode terminals before welding, preventing distortion and bending during the manufacturing process.
Data Source
AI summary
The embodiment provides a battery assembly or pack that can fix a coupling tap to an exact position by closely adhering a plurality of bare cells without flowing when the plurality of bare cells are welded with the coupling tap. The battery assembly according to the embodiment includes: a plurality of bare cells that have electrode terminals formed on upper surfaces thereof; an internal frame that receives the plurality of bare cells and has an internal terminal exposing part that exposes the electrode terminals; and a coupling tap that is seated on the internal terminal exposing part of the internal frame to couple the plurality of electrode terminals, wherein a rib hanger that fixes the coupling tap is further formed on the upper of the internal frame. With the constitution as described above, defects of a product are reduced, making it possible to improve productivity.