Removable SSD Case Power Source for Data Integrity
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Solution Overview
Problem
Current solid-state drives (SSDs) face challenges with power loss, particularly in flash memory-based solutions, where data integrity is compromised due to the use of super capacitors, which are costly, inefficient, and difficult to replace, and lithium-based cells that degrade with high temperatures, making field replacement complicated.
Innovation Solution
Integrating a removable hold-up power source as a structural component of the SSD case, which serves both electrical and structural purposes, allowing for easy replacement and improved cooling, while incorporating charging, monitoring, and safety components to ensure data integrity and optimize power management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If super capacitors are used as power sources in flash memory SSDs, then data integrity is maintained during power loss, but cost increases and replacement becomes difficult
Solution Approach 1:
The power source is segmented into a removable module that can be easily replaced. The hold-up power source is designed as a separate, self-contained unit with connection interfaces that allow it to be detached and replaced without replacing the entire SSD, thus maintaining data integrity while enabling easy repair.
Solution Approach 2:
The power source function is extracted from the main SSD body and implemented as a separate removable module. This extraction allows the power source to be independently replaced, addressed the replacement difficulty issue while maintaining the data integrity function.
2Duration of action of moving object
If lithium-based cells are used as power sources, then longer hold-up time is achieved, but degradation occurs under high temperature conditions
Solution Approach 1:
A thermal management system acts as an intermediary between the lithium-based cell and the high-temperature environment. The cooling mechanism (heat sink, fan, or liquid cooling) mediates the thermal interaction, allowing the lithium cell to operate in a cooler environment while the SSD functions in high-temperature conditions, thus extending hold-up time without degradation.
Solution Approach 2:
The cooling system provides beforehand cushioning against high temperature by preemptively removing heat from the lithium-based cell. This prior thermal protection prevents temperature-induced degradation before it can occur, enabling the cell to maintain its performance and extend hold-up time reliably.
3Ease of repair
If power sources are integrated into the SSD structure, then cooling is improved and replacement is facilitated, but structural complexity increases
Solution Approach 1:
The removable power source module serves multiple functions simultaneously: it provides electrical power, acts as a structural component of the SSD housing, and functions as a heat dissipation element through integrated cooling features. This multi-functionality reduces the need for separate components, thereby simplifying the overall structure while enabling easy replacement and improved cooling.
Solution Approach 2:
The power source, structural housing elements, and cooling mechanisms are merged into a single integrated removable module. This consolidation combines multiple functions into one component, reducing structural complexity while maintaining ease of repair and thermal management capabilities.
Data Source
AI summary
An aspect of the present invention includes a module comprising a printed circuit board and a SSD case with at least one structural component that is removably coupled to the printed circuit board, whereby the at least one structural component is a power source. An aspect of the present invention includes a method of providing power to a module, comprising the steps of providing a printed circuit board and removably connecting a SSD case with at least one structural component to the printed circuit board, whereby the at least one structural component is a power source.