EMC Scattering Shield With Extension Arm
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Solution Overview
Problem
Existing computer systems and server subcomponents face challenges in achieving electromagnetic compatibility (EMC) compliance without redesigning the end product, particularly when metal doors are not installed on equipment racks, leading to potential interference and non-compliance with regulatory standards.
Innovation Solution
The development of an EMC scattering shield apparatus that includes a mounting feature, an EMC scattering shield, an extension arm, and an optional rotation hinge, which can be attached to external components and positioned to scatter electromagnetic energy, providing immunity and ensuring compliance with EMC standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an EMC scattering shield apparatus is added to achieve EMC compliance, then electromagnetic interference is reduced and regulatory standards are met, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent introduces an EMC scattering shield as an intermediary component positioned between the electronic device and the electromagnetic environment. This shield acts as a mediator that scatters electromagnetic energy without requiring redesign of the electronic device itself, thereby achieving EMC compliance while maintaining device simplicity
Solution Approach 2:
The EMC scattering shield apparatus is divided into separate modular components including the shield element, extension arm, and mounting features. This segmentation allows the EMC protection function to be added independently without complicating the overall device design, enabling easy installation and configuration
2Reliability
If the EMC scattering shield is positioned close to the external component, then scattering effectiveness is improved, but accessibility for service actions is reduced
Solution Approach 1:
The extension arm incorporating a rotation hinge provides dynamic positioning capability, allowing the EMC scattering shield to be moved between a closed position (for optimal scattering effectiveness) and an open position (for service accessibility). This dynamic adjustment resolves the contradiction between maintaining close proximity for effectiveness and providing access for maintenance
Solution Approach 2:
The service mode feature enables preliminary preparation by allowing the shield to be opened before service actions are required, ensuring full accessibility to the external component. After service completion, the shield can be closed to restore optimal scattering effectiveness
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 EMC scattering shield apparatus effectively addresses the challenge of achieving EMC compliance by scattering electromagnetic energy and providing immunity, allowing manufacturers to meet regulatory standards without redesigning products, while also reducing costs and complexity for customers.
Implementation Method 1
an EMC scattering shield to scatter energy that may be emitted from the product and to provide immunity by scattering energy within the environment
Data Source
AI summary
An EMC scattering shield apparatus and method of use is provided. The EMC scattering shield apparatus includes a mounting feature that permits the EMC scattering shield apparatus to attach to an external component. The EMC scattering shield apparatus includes an EMC scattering shield to scatter energy that may be emitted from the product and to provide immunity by scattering energy within the environment. The EMC scattering shield apparatus an extension arm configured to position the EMC scattering shield at a desired distance away from the external component. The EMC scattering shield apparatus can include a rotation hinge that permits the EMC scattering shield to rotate away from the external component