Mass-Interconnect Engaging Device Locking Mechanism
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Solution Overview
Problem
Current Mass-Interconnect systems for Automatic Test Equipment (ATE) lack a simplified method for efficiently and securely connecting and disconnecting interchangeable test adapters, leading to increased setup times and potential reliability issues during electronic device testing.
Innovation Solution
An engaging device with a locking mechanism featuring a plunger, leaflet insert, sleeve, and rotatable handle, which allows for secure and rapid engagement and disengagement of interchangeable test adapters, ensuring compatibility with various testing configurations and reducing setup time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If a traditional Mass-Interconnect system is used without a simplified locking mechanism, then the connection process between test adapters and DUT becomes complex and time-consuming, but adding a locking mechanism increases device complexity
Solution Approach 1:
The locking mechanism is segmented into distinct functional components: a plunger for linear motion, an over-dead-center link for motion transformation, and a rotatable handle for user operation. This segmentation allows each component to perform its specific function efficiently, reducing overall setup time while maintaining manageable complexity through modular design
Solution Approach 2:
The mechanism employs dynamic motion transformation where the rotatable handle's rotational movement is converted into linear plunger motion through the ODC link. This dynamic conversion enables rapid engagement and disengagement operations, significantly reducing setup time compared to static connection methods
2Reliability
If a secure locking mechanism is implemented to ensure reliable connections, then connection reliability improves, but the ease of operation decreases due to additional locking steps
Solution Approach 1:
The over-dead-center link design creates a self-locking feature where the plunger automatically engages and locks into position once the handle is rotated. The mechanism's geometry ensures that the locked state is maintained without requiring additional user action, providing secure connections while minimizing operational complexity
Solution Approach 2:
The ODC link employs curved surfaces and rounded transition zones that guide the plunger smoothly into the locked position. These curved geometries ensure reliable engagement through surface contact that naturally导向 to the locked state, improving connection reliability while maintaining ease of operation through smooth, intuitive motion
3Adaptability or versatility
If interchangeable test adapters are used to accommodate various testing configurations, then adaptability improves, but the frequency of connection and disconnection operations increases, leading to potential reliability issues
Solution Approach 1:
The locking mechanism incorporates a pre-engineered locked state that provides mechanical cushioning and stress distribution across the connection interface. This beforehand-designed locking structure protects the connection from wear and loosening that would otherwise occur with frequent adapter changes, maintaining reliability despite increased operation frequency
Solution Approach 2:
The locking mechanism is designed as a universal interface that works with all interchangeable test adapters in the system. The standardized plunger and handle mechanism provides consistent reliable locking across multiple adapter types, enabling versatile testing configurations while maintaining uniform connection reliability through repeated use
Data Source
AI summary
An engaging device of a Mass-Interconnect includes an interchangeable test adapter (ITA) and a locking mechanism. The locking mechanism includes an actuator, a flexible latch overlaying the actuator, a sleeve encompassing the flexible latch, and an over-dead-center (ODC) link connected to the actuator. The locking mechanism is configured to engage and disengage from the ITA.