Voltage Detection Terminal Housing for Bolt-Free Battery Sensing
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Solution Overview
Problem
Existing power storage devices face challenges in securing space for components like bolts for connecting detection terminals due to the thin plate shape of power storage modules and conductive boards, leading to complex positioning and reduced workability in connecting voltage detection terminals.
Innovation Solution
A voltage detection unit with a board-shaped housing that accommodates a voltage detection terminal, a cover, and an electric wire, featuring a guide portion and a first wall to facilitate easy alignment and secure connection, eliminating the need for additional components like bolts and reducing contact resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bolts or other connection components are used to connect the detection terminal to the conductive board, then the connection reliability is improved, but the device complexity increases and the ease of manufacture deteriorates due to the thin plate shape limiting space for additional components
Solution Approach 1:
The detection terminal is integrated directly into the conductive board, merging two previously separate components (detection terminal and conductive board) into a single unified structure. This eliminates the need for separate connection components like bolts, reducing device complexity while maintaining connection reliability through the integrated design.
Solution Approach 2:
The conductive board is designed to serve multiple functions: it provides electrical connection between power storage modules and simultaneously houses the detection terminal for voltage monitoring. This multi-functionality eliminates the need for separate connection components, simplifying the overall device structure while maintaining reliable connections.
2Ease of operation
If insertion holes are provided in the conductive board for lateral insertion of the detection terminal, then the ease of operation is improved, but the manufacturing precision deteriorates due to complex positioning requirements
Solution Approach 1:
The detection terminal and conductive board are merged into a single integrated component, eliminating the need for separate insertion holes and lateral insertion operations. This integration simplifies the manufacturing process by reducing positioning requirements while maintaining ease of operation through the unified structure.
3Ease of operation
If the detection terminal is connected laterally from the side of the stacked body, then the ease of operation is improved, but the manufacturing precision deteriorates due to complicated positioning between the insertion hole and detection terminal
Solution Approach 1:
By integrating the detection terminal directly into the conductive board structure, the patent eliminates the need for separate positioning between insertion holes and detection terminals. The merged design maintains ease of operation while significantly improving positioning precision through the unified structure.
Data Source
AI summary
A voltage detection unit includes a voltage detection terminal having a first location being conductively connected to a detection target, a board-shaped housing having a terminal accommodating recess in which the voltage detection terminal is accommodated, a cover locked to the housing at a first temporary locking position where the first location of the voltage detection terminal accommodated in the terminal accommodating recess is not covered and a final locking position where the first location is covered, and an electric wire conductively connected to a second location of the voltage detection terminal and drawn out toward the outside of the housing. The housing includes a guide portion guiding the cover from the outside toward the first temporary locking position, and a first wall abutting on the cover when the cover is positioned at the first temporary locking position in a moving direction in which the cover is guided.