Sliding Storage Modules for Drive Access Without Cooling Loss
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Solution Overview
Problem
Existing data storage units face challenges with airflow cooling when accessing disk drives for maintenance, and lack flexibility in upgrading storage capacity and performance, leading to potential inadequacy and the need for frequent replacements.
Innovation Solution
The design incorporates a main housing with sliding units and cable modules that allow for easy access to disk drives while maintaining airflow, and includes interchangeable units with different types of disk drives and fans to ensure continuous cooling and flexible configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If support structures are made removable for drive replacement, then ease of repair is improved, but cooling effectiveness deteriorates due to disrupted airflow
Solution Approach 1:
The system is divided into removable support structures that can be independently extracted from the main housing. Each support structure contains disk drives and maintains its own cooling airflow path, allowing replacement without disrupting the overall cooling system architecture.
Solution Approach 2:
Flexible cables serve as intermediaries between the removable support structures and the main control unit. These cables maintain electrical connections during the extraction and replacement process, enabling easy drive replacement while preserving system functionality.
2Ease of operation
If the housing is made open for access, then ease of operation is improved, but cooling effectiveness deteriorates due to lost airflow constraint
Solution Approach 1:
The housing is segmented into a main housing and removable support structures. The main housing remains closed to maintain overall airflow constraints and cooling effectiveness, while individual support structures can be extracted for drive access without compromising the sealed environment.
Solution Approach 2:
The support structures are designed to be dynamically removable and replaceable. This dynamic configuration allows the system to transition between a closed state (for optimal cooling) and an open state (for drive access), resolving the contradiction between ease of operation and cooling effectiveness.
3Reliability
If the system is made fixed for stability, then reliability is improved, but adaptability deteriorates due to limited upgrade options
Solution Approach 1:
The system is segmented into a stable main housing containing control circuitry and removable support structures containing disk drives. This segmentation allows the main housing to remain fixed for stability while support structures can be easily replaced for upgrades, achieving both reliability and adaptability.
Solution Approach 2:
The support structures are designed with dynamic removability, allowing the system to maintain a stable fixed configuration during normal operation while enabling easy reconfiguration for upgrades. This dynamic capability resolves the contradiction between fixed stability and upgrade flexibility.
4Ease of repair
If drive access is simplified for maintenance, then ease of repair is improved, but device complexity increases due to additional mechanisms
Solution Approach 1:
The system uses segmented support structures that can be independently removed, simplifying drive access without requiring complex disassembly mechanisms. Each support structure is a self-contained module that can be extracted as a unit, reducing the complexity of access mechanisms.
Solution Approach 2:
The mounting mechanisms are designed to be dynamically simple - requiring minimal steps for extraction and replacement. The mechanisms provide sufficient complexity for secure mounting during operation but simplify to easy removal actions for maintenance, balancing ease of repair with acceptable device complexity.
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
This solution enhances airflow cooling during maintenance, provides flexibility in upgrading storage capacity and performance, and reduces the need for frequent replacements by allowing for modular upgrades and efficient use of space within a standard rack.
Implementation Method 1
a fan providing a flow of air for cooling the disk drives and control circuitry
Implementation Method 2
said second unit being connected to a second one of said cables and having a fan providing a flow of air for cooling said control circuitry
Data Source
AI summary
Data storage apparatus comprising a main housing containing an electric power supply, a panel supporting a plurality of electric connectors for connecting the power supply to other component parts of the apparatus and a plurality of units. Each of the units comprises a plurality of data storage elements and is mounted to slide from within the main housing to provide access to its data storage elements.The apparatus also comprises a plurality of cable modules each comprising a cable having a first connector at a first end connected to one of the units and a second connector at a second end connected to an electric connector on the panel. The cable modules also include a moveable rigid structure providing a barrier preventing manual access to the panel. The second connector is attached to the rigid structure such that movement of the rigid structure causes the second connector to be disconnected.