Zero-Insertion-Force Cable Connector With Sliding Pinch Plate Mechanism
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Solution Overview
Problem
Existing zero-insertion-force (ZIF) connector technologies face challenges in achieving reliable electrical connections with minimal resistive force and reducing mechanical wear on contact springs and circuit board wafers during engagement.
Innovation Solution
A cable connector device with a sliding pinch plate mechanism that uses opposing contact springs and an actuation mechanism to create a pinching action, allowing for minimal resistive force insertion and reliable electrical contact without high engagement forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional connector engagement methods are used, then reliable electrical connections are achieved, but high engagement forces cause mechanical wear on contact springs and circuit board wafers
Solution Approach 1:
The connector engagement process is segmented into two distinct phases: insertion phase (zero insertion force) and contact phase (pinch plate activation). This segmentation allows the connector to achieve reliable electrical contact while minimizing mechanical wear during the insertion process by separating the functions of insertion and contact establishment.
Solution Approach 2:
The male and female connectors are preliminarily aligned and positioned in the receiver slot before the actual electrical contact is made. The guide rails and receiver slot geometry ensure proper alignment is achieved during low-force insertion, preparing the system for subsequent contact establishment without requiring high engagement forces.
2Reliability
If high engagement forces are applied to ensure reliable contact, then electrical connections are secure, but resistive force during insertion increases
Solution Approach 1:
The connector system transitions from a static high-force engagement design to a dynamic two-stage process. During insertion, the system maintains low resistive force through the zero-insertion-force mechanism, then dynamically activates the pinch plates to establish secure electrical contact, optimizing both insertion ease and connection reliability.
Solution Approach 2:
The pinch plates serve as an intermediary mechanism between the insertion process and electrical contact establishment. They remain inactive during low-force insertion, then activate to provide the necessary contact pressure, mediating between the conflicting requirements of low insertion resistance and high contact security.
3Ease of manufacture
If conventional connector designs are used, then manufacturing is straightforward, but mechanical wear reduces durability over time
Solution Approach 1:
By segmenting the engagement process into insertion and contact phases, the invention reduces mechanical wear on stationary components like contact springs and circuit board wafers. This segmentation can be implemented using conventional manufacturing techniques for the individual components, maintaining ease of manufacture while significantly improving durability through reduced wear during operation.
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 enables reliable, low-resistance electrical connections with reduced mechanical wear on contact springs and circuit board wafers, improving the efficiency and durability of ZIF connector systems.
Implementation Method 1
At least one pair of opposing contact springs protruding through the first and second pinch plate slots
Data Source
Figure 1~4
Figure 3~6
Figure 7~9a
AI summary
A wiring analyzer system with a zero-insertion-force (ZIF) connector/receiver interface. An electrical connection is made by inserting a male connector into a female receiver slot. During insertion into the female receiver slot, the male connector experiences minimal, if any, resistive force. The female receiver comprises a set of opposing spring contacts designed to pinch both sides of the wafer, making contact with the male connector. A pair of elongated plates has several sections cut out to correspond with each female slot such that when the male connector is inserted between the spring contacts the wafer passes through both plates. In order to create the necessary pinching action, a force is exerted on the plates, causing them to move a distance in opposite directions. This motion brings the plates into contact with the spring contacts, squeezing them together against the wafer and creating a firm contact.