PoE Switching Device Dynamic Power Rerouting
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Solution Overview
Problem
Traditional Power over Ethernet (POE) systems face inefficiencies when a POE port becomes abnormal or experiences abnormal power input, leading to reduced power supplying capacity, as the fixed DC converter module is not utilized effectively.
Innovation Solution
A POE system comprising multiple POE ports, a power detector, switches, and a controller that detects power input, generates control signals to manage electrical connections between POE ports and DC converter modules, allowing for real-time monitoring and rerouting of power to functional ports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a fixed DC converter module is assigned to each POE port, then the system structure is simple and easy to implement, but when a POE port becomes abnormal or experiences abnormal power input, the corresponding DC converter module cannot be utilized effectively, leading to reduced power supplying capacity
Solution Approach 1:
The patent implements dynamic switching between POE ports and DC converter modules using switch modules controlled by a control module. Instead of fixed one-to-one assignments, the system can dynamically reconfigure connections to match abnormal conditions, allowing healthy ports to access available DC converter modules and maintain power supplying capacity while keeping the overall structure relatively simple.
2Productivity
If multiple POE ports share DC converter modules through switching, then power supplying capacity is improved and resource utilization is enhanced, but the system complexity and control difficulty increase
Solution Approach 1:
The patent introduces a control module as an intermediary that manages the switching between POE ports and DC converter modules. This control module receives power input status information, determines abnormal conditions, and controls the switch modules to reconfigure connections accordingly. By centralizing the control logic, the system achieves dynamic resource allocation without requiring complex distributed control at each port, thus managing system complexity effectively while improving power supplying capacity.
Data Source
AI summary
A Power over Ethernet (PoE) system includes a plurality of PoE ports, a power detector, a plurality of switches, at least one DC converter module and a controller. The power detector can detect the power input from each of the PoE ports and accordingly generate a detection signal. The controller can generate a control signal according to the detection signal, and the control signal is used to control the switches in order to control the electrical connections between the PoE ports and the at least one DC converter module.