Battery Terminal Crimp Positioning for Vibration-Resistant Connections
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Solution Overview
Problem
The reliability of the connecting part between the terminal and another conductive member in secondary batteries is compromised due to deformation caused by external vibrations or impacts, as existing designs lack effective positioning and crimping mechanisms.
Innovation Solution
Incorporating a third conductive member with a crimp part and a positioning part on the second conductive member, which is crimped to the third conductive member under the guidance of a positioning jig, ensuring precise positioning and preventing undesired deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a terminal is provided with a first conductive member and a second conductive member electrically connected to the first conductive member, then electrical connection is established, but the connecting part may deform due to external vibrations or impacts
Solution Approach 1:
The patent applies preliminary action by providing a positioning part on the second conductive member before crimping occurs. This positioning part预先 (in advance) prevents deformation by establishing the correct position and orientation of the crimp part relative to the third conductive member before the crimping force is applied, thereby ensuring reliable connection despite external vibrations or impacts.
2Manufacturing precision
If the crimp part is crimped to the third conductive member without positioning guidance, then manufacturing process is simple, but deformation occurs on the crimp part
Solution Approach 1:
The patent applies segmentation by dividing the second conductive member into distinct functional parts: a crimp part for electrical connection and a positioning part for precise alignment. This segmentation allows the positioning part to independently guide the crimping process, achieving high manufacturing precision without significantly increasing overall device complexity.
Solution Approach 2:
The positioning part acts as an intermediary element between the crimp part and the third conductive member. It mediates the crimping process by providing positioning guidance, ensuring that the crimp part is correctly positioned relative to the third conductive member before crimping occurs, thereby achieving precise crimping with minimal additional complexity.
3Reliability
If multiple conductive members are connected to the terminal, then electrical connection is established, but it becomes difficult to prevent deformation at the connecting parts
Solution Approach 1:
The patent applies self-service by designing the positioning part to automatically guide the crimping process without requiring external positioning devices or complex assembly procedures. The positioning part on the second conductive member self-serviceably establishes the correct position and orientation, making the assembly process easier while preventing deformation.
Data Source
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AI summary
Provided is a technique that enhances a reliability of a connecting part with a terminal and another conductive member. According to the herein disclosed technique, a battery (100) comprises a terminal (40) which comprises a first conductive member (41) and with a second conductive member (42) electrically connected to the first conductive member (42), and a third conductive member (14) connected to the terminal (40). The second conductive member (42) includes a crimp part (42c) at one of end parts, and a positioning part (42p) at an outer surface (42u) of the other one of end parts. The crimp part (42c) is crimped to the third conductive member (14). The first conductive member (41) has a through-hole (41h). When viewed along a central axis (C) direction of the through-hole (41h), the positioning part (42p) is provided to overlap with the through-hole (41h).