Socket Contact Spring Force Design for Short-Distance Connections
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Solution Overview
Problem
Existing connector devices face challenges in securely connecting circuit boards with short distances, as they lack sufficient spring force to maintain a stable connection.
Innovation Solution
A socket contact with a unique design featuring multiple spring portions and a coupling portion that increases spring force, allowing secure connections between circuit boards, even at short distances, by using a holding member to accommodate and insulate the socket contact and outer contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a conventional socket contact structure is used, then the device complexity is low, but the spring force is insufficient to maintain stable connection at short distances
Solution Approach 1:
The socket contact is divided into multiple independent spring portions (first spring portion, second spring portion, third spring portion) that can deform independently. This segmentation allows each spring portion to contribute to the overall spring force, enabling sufficient connection force even when the total socket contact length is limited to 0.5mm or less.
Solution Approach 2:
The socket contact structure transitions from a simple linear configuration to a multi-dimensional arrangement with spring portions extending in different directions. The first, second, and third spring portions are positioned at different locations and orientations, creating a three-dimensional spring force distribution that enhances connection stability without increasing the axial length.
2Length of moving object
If the distance between circuit boards is reduced, then the compactness is improved, but the connection stability deteriorates due to insufficient spring force
Solution Approach 1:
Different portions of the socket contact are designed with different local qualities - the first spring portion, second spring portion, and third spring portion each have specific deformation characteristics suited to their locations. This local optimization ensures that spring force is distributed effectively throughout the contact structure, maintaining connection stability even when the overall distance between circuit boards is reduced to 0.5mm or less.
3Productivity
If the socket contact length is reduced to 0.5mm or less, then the productivity is improved, but the spring force becomes insufficient
Solution Approach 1:
The socket contact is designed with dynamic spring portions that can deform and adapt to connection conditions. The first, second, and third spring portions are configured to provide progressive deformation, allowing the structure to maintain adequate spring force within a compact 0.5mm or less length while enabling high-speed automated assembly.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a secure and reliable connection between circuit boards by enhancing spring force, ensuring stable electrical conductivity and preventing degradation of high-frequency characteristics, even when the boards are closely spaced.
Implementation Method 1
The first spring portion is positioned between the first contact point and the second contact point. The second spring portion is positioned between the third contact point and the fourth contact point.
Data Source
AI summary
A socket contact is connectable with a first terminal and a second terminal at opposite ends thereof in an axial direction, respectively. The socket contact comprises a first portion, a second portion and a coupling portion. The first portion has a first end, a second end and a first spring portion. The first end includes a first contact point which is to be connected to the first terminal. The second end includes a second contact point which is to be connected to the second terminal. The first spring portion is positioned between the first contact point and the second contact point. The second portion has a third end, a fourth end and a second spring portion. The third end includes a third contact point which is to be connected to the first terminal. The fourth end includes a fourth contact point which is to be connected to the second terminal. The second spring portion is positioned between the third contact point and the fourth contact point. The coupling portion couples the first end with the fourth end.