Decoder Circuit Controls Serial Voltage Relays for Selective AC Outlet Power
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Solution Overview
Problem
Information handling systems face challenges in seamlessly managing power demands and interruptions, requiring efficient power management to prevent data loss and maintain system reliability.
Innovation Solution
A power switching system with a decoder circuit communicatively coupled to a management controller, which configures serial voltage relays to selectively activate or deactivate AC outlets, enabling precise power control within a rack-based information handling system without impacting other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If selective power control of AC outlets is implemented, then power management precision is improved, but device complexity increases due to decoder circuit and serial voltage relays
Solution Approach 1:
The patent divides the power distribution system into individually controllable segments by implementing separate serial voltage relays for each AC outlet. This segmentation allows the management controller to independently control power delivery to each outlet through the decoder circuit, enabling precise power management while maintaining modular architecture that simplifies future expansion.
Solution Approach 2:
The patent introduces a decoder circuit as an intermediary component between the management controller and the serial voltage relays. This intermediary translates control commands from the management controller into appropriate control signals for the relays, thereby simplifying the overall control architecture and reducing direct complexity between the controller and multiple outlets.
2Productivity
If individual AC outlet control is implemented, then power distribution efficiency is improved, but system complexity increases due to additional control circuits
Solution Approach 1:
The management controller serves multiple functions by integrating both the power management logic and the control signal generation capabilities. This multi-functional approach eliminates the need for separate dedicated control circuits for each outlet, thereby improving power distribution efficiency while avoiding additional system complexity through functional integration.
Solution Approach 2:
The system implements self-service power management where the management controller automatically monitors power demands and autonomously controls the serial voltage relays to distribute power efficiently. This automated self-management eliminates the need for manual intervention or complex external control systems, thereby improving efficiency without proportionally increasing system complexity.
3Reliability
If power interruptions are managed selectively, then system reliability is improved, but control complexity increases due to monitoring and activation requirements
Solution Approach 1:
The management controller implements feedback mechanisms to monitor the operational status of each AC outlet and the power delivery state. This feedback enables the controller to detect power interruptions selectively and respond by activating or deactivating specific outlets as needed, thereby improving system reliability while keeping control complexity manageable through automated response protocols.
Solution Approach 2:
The system performs preliminary actions by pre-configuring the serial voltage relays and decoder circuitry to enable rapid response to power interruptions. When a power issue is detected, the management controller can immediately activate or deactivate specific outlets without requiring complex real-time decision-making, thereby improving reliability while minimizing control complexity through pre-established response protocols.
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 allows for seamless management of power demands and interruptions, ensuring system reliability and preventing data loss by enabling selective power activation and deactivation of AC outlets, thereby maintaining system stability.
Implementation Method 1
The AC switch utilizes the decoder circuit to respectively configure the serial voltage relays using the control signals. By configuring the serial voltage relays, the MC provides and/or removes respective connections between AC inputs and AC outlets
Data Source
AI summary
A power switching system, a method, and an information handling system (IHS) enables selective activation and de-activation of respective alternating current (AC) outlets of a plurality of AC outlets within an AC switch (ACS). The AC switch includes a decoder circuit that is couple via a control interface to a management controller (MC) and receives control commands from the control interface. In response to receipt of the control command, the decoder circuit decodes the command in order to provide control signals to one or more of a number of serial voltage relays, which are each respectively coupled to the AC outlets. The AC switch utilizes the decoder circuit to respectively configure the serial voltage relays using the control signals. By configuring the serial voltage relays, the MC provides and/or removes respective connections between AC inputs and AC outlets, which selectively activates and/or de-activates respective AC outlets.