EMI-Shielded Chassis Access for High-Density Device Replacement
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Solution Overview
Problem
High-density environments face challenges with thermal management, mechanical positioning, and electrical concerns due to tightly packed devices, particularly with regards to electromagnetic interference (EMI) from emitting devices.
Innovation Solution
A data processing device with an internal volume to house EMI emitting devices and a frame mountable chassis that suppresses EMI by greater than 80 decibels, allowing for the inclusion of these devices in high-density settings while mitigating EMI impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If EMI emitting devices are included in high-density environments, then device functionality and density are improved, but electromagnetic interference to the ambient environment worsens
Solution Approach 1:
The patent extracts the EMI-emitting devices from the general ambient environment by placing them in a dedicated internal volume that is electromagnetically isolated from the surroundings. This separation allows the devices to operate in high-density configurations without their EMI affecting the external environment, as the internal volume acts as a contained space for these problematic devices.
Solution Approach 2:
The chassis serves as an intermediary structure between the EMI-emitting devices and the ambient environment. It provides EMI suppression through shielding materials and design features that block electromagnetic interference while still allowing the devices to function. This intermediary structure enables high device density without transmitting harmful EMI to surrounding areas.
2Object-generated harmful factors
If EMI suppression is implemented to protect the ambient environment, then electromagnetic interference is reduced, but access to EMI emitting devices for maintenance becomes more difficult
Solution Approach 1:
The chassis is designed with dynamic access capabilities, allowing the EMI suppression structure to be temporarily opened or reconfigured when device maintenance is needed. This dynamic design enables the system to switch between two states: a closed state that provides maximum EMI suppression during operation, and an open state that allows easy access to devices for maintenance and replacement.
Solution Approach 2:
The internal volume containing EMI-emitting devices is segmented into modular sections that can be independently accessed. This segmentation allows maintenance personnel to access specific devices without compromising the overall EMI suppression integrity of the entire chassis, as only the specific access point needs to be opened while the rest of the shielding remains intact.
3Adaptability or versatility
If EMI emitting devices are replaced in the internal volume, then device updates are achieved, but EMI suppression integrity may be compromised during the replacement process
Solution Approach 1:
The system implements preliminary actions to maintain EMI suppression integrity during device replacement. Before accessing devices for replacement, the chassis access mechanisms are prepared and controlled to minimize disruption to the EMI shielding. Replacement procedures are designed to be performed in a way that restores EMI suppression integrity immediately after device installation, ensuring continuous protection.
Solution Approach 2:
The EMI suppression system dynamically adapts during the device replacement process. The chassis can transition between closed and open states in a controlled manner, allowing device replacement while maintaining EMI protection when possible. The system dynamically manages the balance between accessibility for replacement and integrity of EMI suppression based on the operational state.
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 effectively isolates EMI emitting devices from the ambient environment, reducing interference and facilitating the inclusion of these devices in high-density environments without negatively impacting the environment.
Implementation Method 1
a frame mountable chassis adapted to suppress EMI from the internal volume to an ambient environment by greater than 80 decibels
Data Source
AI summary
A method for managing electromagnetic interference (EMI) includes: obtaining a request; in response to the request: terminating EMI generation by EMI emitting devices in an EMI suppressed internal volume of a data processing device to place the EMI emitting devices in a quiet state; placing the EMI suppressed internal volume into an EMI suppression compromised state to obtain access to the EMI emitting devices in the quiet state; replacing one of the EMI emitting devices in the quiet state, to obtain updated EMI emitting devices, while: the EMI suppressed internal volume is in the EMI suppression compromised state, and the EMI emitting devices are in the quiet state; placing the EMI suppressed internal volume into an EMI suppressed state after replacing the one of the EMI emitting devices; and enabling EMI generation by the updated EMI emitting devices to place the updated EMI emitting devices into an active state.