Electronically Controlled Hinge for Electronics Rack Access
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Solution Overview
Problem
Conventional electronics racks lack efficient access control and signal transmission capabilities, particularly when multiple racks need simultaneous access, such as when moving servers between adjacent racks, and existing solutions are limited by hardwiring requirements.
Innovation Solution
An electronics rack with electronically controlled hinges and a solenoid-driven access panel that allows for controlled rotation and signal transmission through the hinges, enabling secure and flexible access while transmitting power, data, and control signals wirelessly or through conductive leads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed hinges are used on electronics racks, then the structure is simple and reliable, but access flexibility is limited and simultaneous access to adjacent racks is impossible
Solution Approach 1:
The hinge mechanism transitions from a static fixed connection to a dynamic controllable connection. The hinge pin can be selectively retracted or extended based on control signals, allowing the door to be hinged on either the left or right side dynamically. This enables flexible access configurations while maintaining structural integrity when closed.
Solution Approach 2:
A control system acts as an intermediary between the user's access request and the physical hinge mechanism. The controller receives signals and actuates the appropriate hinge pins to enable the desired door opening direction, providing intelligent mediation between control commands and mechanical action.
2Productivity
If door removal is required for access, then full access to interior electronics is achieved, but operational efficiency decreases and security is compromised
Solution Approach 1:
The door configuration dynamically changes during operation. The hinge pin retraction/extension mechanism allows the door to transition between different hinged states (left-hinged, right-hinged, or both), enabling efficient access without door removal while maintaining security when closed.
Solution Approach 2:
The traditional mechanical door removal operation is replaced by a controlled hinge pin retraction mechanism. Instead of physically removing the door, the electronic control system actuates the hinge pins to enable door opening in the desired direction, improving efficiency while maintaining structural security.
3Reliability
If hardwiring is used for signal transmission, then reliable power and data transmission is achieved, but installation complexity increases and flexibility decreases
Solution Approach 1:
The hinge assembly serves multiple functions: it provides the mechanical hinge function, acts as a signal transmission medium through conductive surfaces, and enables electronic control. The conductive surfaces on the hinge pin and hinge cup simultaneously establish electrical connections for power and data transmission when the hinge is engaged.
Solution Approach 2:
The mechanical hinge function and electrical signal transmission function are merged into a single integrated component. The conductive surfaces are incorporated directly into the hinge pin and hinge cup structure, eliminating the need for separate wiring harnesses and reducing installation complexity.
4Productivity
If access control is limited to single rack operation, then security is maintained, but productivity decreases when moving servers between adjacent racks
Solution Approach 1:
The hinge control system dynamically configures door opening directions based on operational needs. When servers need to be moved between adjacent racks, the controller can be programmed to retract hinge pins on both sides of the door, enabling simultaneous access to both racks without compromising security when doors are closed.
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
Enables secure, flexible access to electronics racks without the need for removing doors and allows for simultaneous access to adjacent racks, while providing reliable power and signal transmission, enhancing operational efficiency in data centers and IT rooms.
Implementation Method 1
The drive mechanism may be an electronically controlled solenoid mounted to the housing.
Data Source
AI summary
An electronics rack with an electrically controlled access panel, including an enclosure including a base, side walls and a top, with at least one opening in a sidewall or the top for accessing the interior of the enclosure. At least one panel is mounted to the enclosure for permitting controlled access to the interior. At least two electronically controlled hinges are mounted to opposite sides of the panel. Each hinge has a hinge axis about which the panel can rotate when the panel is unlocked, the hinge axes of the two hinges being parallel to one another. Each hinge includes a hinge pin that is slidable in a housing between a retracted position and an extended position. Each hinge includes an electronically controlled drive mechanism for controlling reciprocation of the hinge pin.