Rotating Clip for Cooling Device Mounting on Circuit Boards
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Solution Overview
Problem
The existing methods for attaching cooling devices to circuit boards, such as those used for graphics processing units (GPUs), are inefficient and difficult due to the sequential screwing process and the increased resistance when installing v-clips, which complicates the assembly and requires more force.
Innovation Solution
A clip system that rotates to interconnect with shafts passing through the circuit board, allowing simultaneous engagement with multiple points on the cooling device, reducing the complexity and force required during installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a v-clip is attached one side at a time to control load on GPU, then the load induced on GPU is controlled, but the installation requires more force and work for the second side due to deflection through larger angle
Solution Approach 1:
The clip is designed with flexibility to deflect during installation, allowing it to rotate and engage multiple shafts sequentially. The clip's dynamic deflection capability enables it to accommodate the rotation motion while maintaining controlled load on the GPU throughout the installation process.
Solution Approach 2:
The clip engages with multiple shafts at different locations separately through sequential rotation, rather than requiring simultaneous engagement. This segmentation of the engagement process allows each shaft to be engaged independently, reducing the total installation force required.
2Reliability
If sequential screwing is used to attach cooling device, then each attachment point is secured, but the process is time consuming and inefficient
Solution Approach 1:
Multiple attachment functions are merged into a single clip component that can engage multiple shafts simultaneously through rotation. This combines several sequential screwing operations into one unified attachment action, significantly improving assembly speed while maintaining secure attachment at each point.
Solution Approach 2:
The clip is pre-positioned to engage the first shaft, and then rotated to engage subsequent shafts. This preliminary engagement of the first shaft provides a stable base for the rotation motion, enabling efficient sequential engagement of remaining shafts without requiring precise alignment for each individual attachment point.
3Stability of the object's composition
If v-clip deflects through larger angle for second side installation, then the first side remains held in place, but the increased resistance makes screwing down attachment screws more difficult
Solution Approach 1:
The clip's dynamic deflection characteristic allows it to rotate smoothly while maintaining engagement with the first shaft. The flexibility enables the clip to accommodate the rotation motion without creating excessive resistance, simplifying the installation process while keeping the first side stable.
Data Source
AI summary
Apparatus and methods for mounting of a cooling device coupled to a circuit board include use of a clip that is rotated to mate with and engage the cooling device. Rotation of the clip occurs during installation of the cooling device and slides slots in the clip into interconnection with respective protrusions of the cooling device extending through the circuit board to where the clip is disposed. In an assembled configuration, the clip biases the cooling device to a processing unit coupled to the circuit board on an opposite side from the clip.