Ethernet Power Management for Full Device Shutdown Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems for managing electrical power supply via Ethernet cables do not effectively reduce energy consumption and electromagnetic emissions by completely powering off devices when they are not needed.
Innovation Solution
A method and system for managing electrical power to Ethernet devices via Ethernet cables, utilizing a management system with a memory that maps devices to identifiers, allowing for automatic power interruption or restoration based on input information from user devices or electronic calendars, ensuring complete power cutoff when not needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Ethernet devices are kept in standby mode to maintain readiness, then device availability is improved, but energy consumption increases
Solution Approach 1:
The system implements periodic monitoring of device status and usage patterns, switching devices between active and powered-off states based on detected activity. This periodic action allows devices to be fully powered off during non-use periods while quickly restoring service when needed, resolving the contradiction between availability and energy consumption.
Solution Approach 2:
The system performs preliminary detection of device usage patterns and predicts when devices will be needed, pre-maintaining them in active state only when necessary. This preliminary action optimizes the balance between device availability and energy consumption by avoiding unnecessary standby power usage.
2Use of energy by moving object
If Ethernet devices are completely powered off to reduce energy consumption, then energy efficiency is improved, but device responsiveness deteriorates
Solution Approach 1:
The system implements feedback mechanisms that monitor device usage patterns, user presence, and service requirements in real-time. This feedback enables dynamic adjustment of power states, ensuring devices are powered off only when truly unnecessary, thus maintaining energy efficiency without sacrificing responsiveness when devices are actually needed.
Solution Approach 2:
The system dynamically adjusts device power states based on real-time conditions rather than using static standby modes. Devices transition between fully active and completely powered-off states based on detected needs, optimizing both energy efficiency and responsiveness through dynamic adaptation to changing conditions.
3Ease of operation
If manual power management is used to control Ethernet devices, then operational control is improved, but system complexity increases
Solution Approach 1:
The system enables Ethernet devices to self-manage their power states based on detected usage patterns, user presence, and service requirements. Devices automatically transition between active and powered-off states without manual intervention, simplifying operation while reducing the need for complex manual control systems.
Solution Approach 2:
The system combines multiple functions (device monitoring, usage pattern analysis, power state control, and communication) into an integrated power management platform. This merging reduces overall system complexity by consolidating control functions rather than requiring separate manual control mechanisms for each device.
4Reliability
If Ethernet cables continuously supply power to all devices, then device availability is improved, but energy waste increases
Solution Approach 1:
The system segments the power supply control at the individual device level rather than providing continuous power through Ethernet cables to all devices. Each device's power state is independently controlled based on its specific needs, allowing selective power delivery that eliminates energy waste while maintaining availability where required.
Solution Approach 2:
The system changes the power delivery parameter from continuous fixed power through Ethernet cables to dynamic variable power states. Power is delivered only when and where needed, with the ability to completely interrupt power supply to specific devices, thereby eliminating energy waste while maintaining device availability on demand.
Data Source
AI summary
The present disclosure relates to a method for managing the supply of electrical power to Ethernet devices. The Ethernet devices are connected to a management system via an Ethernet cable supplying them with current. When input information is received by the management system, the management system determines, on the basis of a first list of the Ethernet devices, whether it has to interrupt the supply of power to one or more of the Ethernet devices or, conversely, to re-establish the supply of power thereto.