Battery Busbar Plug-In Structure for Replaceable Sampling Terminals
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Solution Overview
Problem
The existing battery manufacturing process makes it difficult to detach and replace sampling terminals due to their integration with the busbar component, especially after they become aged or damaged, as the original insertion path is often obstructed by a fixed circuit board, leading to potential damage during forced removal.
Innovation Solution
A plug-in structure on the busbar component with distinct insertion and pull-out directions allows for easy detachment and replacement of sampling terminals by utilizing space on the side of the busbar component away from the battery cell, featuring protrusions and an elastic sampling portion for secure connection and easy removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sampling terminal is firmly integrated with the busbar component for reliable electrical connection, then the reliability of electrical connection is improved, but the ease of detaching and replacing the sampling terminal deteriorates
Solution Approach 1:
The connection between the sampling terminal and busbar component is segmented into a removable plug-in structure. The sampling terminal includes a plug portion with positioning protrusions that engage with corresponding positioning grooves on the busbar component, creating a segmented yet reliable connection that can be easily detached and reconnected without permanent integration.
Solution Approach 2:
The connection structure transitions from a static permanent connection to a dynamic removable connection. The plug-in design allows the sampling terminal to be inserted and extracted multiple times, providing dynamic adaptability for maintenance and replacement while maintaining reliable electrical contact during operation.
2Ease of manufacture
If the sampling terminal is inserted through a fixed path for simple assembly, then the ease of manufacture is improved, but the risk of damaging the circuit board during removal increases
Solution Approach 1:
The sampling terminal's pull-out direction is changed from the original insertion path to a different spatial dimension. The pull-out groove provides an alternative extraction path that diverges from the insertion trajectory, allowing removal without reversing through the original path and thus avoiding damage to the circuit board while maintaining simple assembly through the fixed insertion path.
3Ease of operation
If the sampling terminal uses a simple insertion structure for ease of operation, then the ease of operation is improved, but the stability of the connection deteriorates
Solution Approach 1:
The plug-in structure employs asymmetric positioning features with protrusions on the sampling terminal that fit into corresponding grooves on the busbar component. This asymmetric design provides stable, precise positioning and secure electrical connection while maintaining simple insertion and removal operations, as the asymmetric features guide alignment automatically during insertion.
Data Source
AI summary
Provided are a battery, a power consuming device, and a method and apparatus for manufacturing a battery, relating to the technical field of battery manufacturing. The present application provides a battery, including: a battery cell; a sampling terminal for acquiring a voltage or a temperature of the battery cell; and a busbar component for being electrically connected to the battery cell, where the busbar component includes a plug-in structure configured for the sampling terminal to be inserted in a first direction to connect with the busbar component, and the plug-in structure is configured for the sampling terminal to be pulled out in a second direction so as to be separated from the busbar component, the first direction intersecting the second direction.