Electrical Connector Carrier Frame for Large Mass CPU Support
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Solution Overview
Problem
Existing electrical connectors deform under excessive force when carrying large mass chip modules, leading to a short service life.
Innovation Solution
An electrical connector design featuring an insulative housing with conductive terminals, a metallic stiffener, a pivotally mounted load plate, and a carrier frame that allows vertical insertion and secure retention of the CPU, preventing deformation through a combination of latches and positioning structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the electrical connector uses a conventional rail frame and clamping frame structure, then it can accommodate standard chip modules, but the frame deforms under excessive force when carrying large mass chip modules
Solution Approach 1:
The patent employs a composite structure combining a metallic stiffener frame with an insulative housing. The metallic stiffener provides high strength and rigidity to bear excessive forces from large mass chip modules, while the insulative housing provides electrical insulation and structural support. This composite material approach resolves the contradiction by integrating materials with complementary properties to simultaneously achieve high force bearing capacity and frame strength.
Solution Approach 2:
The electrical connector is divided into functionally independent components: a metallic stiffener frame for structural support, an insulative housing for electrical insulation, a load plate for force distribution, and a clamping mechanism for securing the chip module. This segmentation allows each component to be optimized for its specific function, with the metallic stiffener specifically designed to prevent frame deformation under excessive force.
2Adaptability or versatility
If the electrical connector uses a rigid frame structure, then it provides structural support, but it cannot accommodate variations in chip module mass and dimensions
Solution Approach 1:
The patent incorporates a pivotally mounted load plate that can rotate between an open position for loading chip modules and a closed position for securing them. This dynamic mechanism allows the connector to adapt to different chip module masses and dimensions while maintaining structural stability during operation. The pivotal connection enables the load plate to flex and adjust to varying loads without compromising the overall structural integrity.
Solution Approach 2:
The electrical connector features localized structural enhancements including positioning structures (such as positioning holes and protruding cylinders) at specific locations to accommodate different chip module dimensions. The metallic stiffener is strategically positioned to provide localized reinforcement where needed, allowing the structure to adapt to variations in chip module mass and dimensions while maintaining overall structural stability.
3Ease of manufacture
If the electrical connector uses a simple housing structure, then it is easy to manufacture, but it deforms under the weight of large mass chip modules
Solution Approach 1:
The housing is constructed as a composite structure with a metallic stiffener frame providing structural strength and an insulative housing providing electrical insulation and basic structural support. This composite approach enables the housing to achieve high strength to support large mass chip modules while maintaining relative manufacturing simplicity, as each component can be manufactured separately using standard processes and then assembled.
Data Source
AI summary
An electrical connector includes an insulative housing extending in a horizontal direction, a plurality of conductive terminals retained in the insulative housing, a metallic stiffener surrounding the insulative housing, a load plate pivotally mounted upon the metallic stiffener and moveable between an open position and a closed position, and a carrier frame used for retaining and receiving a central processing unit (CPU) and carrying the CPU to the insulative housing. After retaining the CPU, the carrier frame is mounted on the insulative housing along a vertical direction perpendicular to the horizontal direction. The load plate is rotated to the closed position to fix the CPU on the insulative housing.