Plug-in Card Stabilizing Apparatus Grounding and Shock Resistance
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Solution Overview
Problem
Existing plug-in cards for storage systems face challenges in enhancing electromagnetic compatibility and anti-shock/vibration capabilities, particularly due to the nature of their connector design which limits effective electro-static discharge and grounding.
Innovation Solution
A stabilizing apparatus comprising a contact part electrically coupled to a chassis ground terminal, a transmission pole, and a hook part, which mechanically engages with the plug-in card to provide stable grounding and resistance to shock/vibration, utilizing springs for efficient state switching and contact management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a plug-in card uses a connector design for fastening and connection, then the plug-in card can be easily installed and removed, but the electro-static discharge and grounding capability is insufficient
Solution Approach 1:
A stabilizing apparatus is introduced as an intermediary component between the plug-in card and chassis. This apparatus includes a contact part that electrically couples to a ground terminal and a manipulation part that enables user-controlled contact establishment. The intermediary stabilizing apparatus bridges the gap between the simple connector design and the need for reliable electro-static discharge capability.
2Reliability
If the contact part is always in contact with the plug-in card, then the grounding capability is maintained, but the device complexity increases
Solution Approach 1:
The stabilizing apparatus employs a dynamic contact mechanism where the contact part can transition between contacting and non-contacting states with the plug-in card. A manipulation part allows users to control this transition, enabling the system to adapt its grounding capability dynamically rather than maintaining constant contact, thus balancing reliability with operational flexibility.
3Speed
If springs are used for state switching, then the operation speed is improved, but the device complexity increases
Solution Approach 1:
The spring mechanism enables periodic or rapid state transitions between contact and non-contact states. When the manipulation part is actuated, the spring provides rapid restoring force to switch the contact part between states, allowing quick response to user operations while maintaining a relatively simple mechanical structure.
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 significantly enhances the electromagnetic compatibility and anti-shock/vibration capabilities of plug-in cards by ensuring reliable grounding and rapid electrostatic discharge, while maintaining mechanical stability and user-friendly operation.
Implementation Method 1
a first spring coupled to the contact part and adapted for generating a force that resists a movement of the contact part towards the first positive direction
Implementation Method 2
a second spring coupled to the transmission pole and adapted for generating a force that resists a movement of the transmission pole towards the second positive direction
Data Source
AI summary
Embodiments of the present disclosure relate to a stabilizing apparatus for a plug-in card, a chassis including the stabilizing apparatus and associated manufacturing method. The stabilizing apparatus comprises a fixed part adapted for attaching the stabilizing apparatus to a chassis for supporting the plug-in card and a contact part electrically coupled to a ground terminal of the chassis and movable towards the plug-in card supported on the chassis along a first positive direction perpendicular to an extended plane of the plug-in card, so as to contact the plug-in card.