Integrated PoE Module for Bidirectional Power and Space Reduction
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Solution Overview
Problem
Existing Power over Ethernet (PoE) systems require separate power supply modules for Power Sourcing Equipment (PSE) and Powered Devices (PD), leading to high costs and large space occupation, making them unsuitable for highly integrated and reliable environments.
Innovation Solution
The proposed PoE system incorporates an integrated power supply and power receiving module with a non-polar bidirectional power converter and an autonomous negotiation control component, allowing the system to function as both a PSE and a PD, reducing the need for multiple devices and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate power supply modules are used for PSE and PD, then power supply function is reliable, but device complexity and space occupation increase
Solution Approach 1:
The patent merges the PSE and PD power supply modules into a single integrated power supply module that can function as both PSE and PD. This integration reduces device complexity and space occupation while maintaining power supply reliability through bidirectional power conversion capability.
Solution Approach 2:
The integrated power supply module is designed with multi-functionality to serve dual purposes: it can operate as a PSE to supply power to external devices and as a PD to receive power from external devices. This universality eliminates the need for separate dedicated modules for each function.
2Reliability
If separate power supply modules are used for PSE and PD, then power supply function is reliable, but space occupation increases
Solution Approach 1:
The patent merges the PSE and PD power supply modules into a single integrated power supply module that can function as both PSE and PD. This integration reduces device complexity and space occupation while maintaining power supply reliability through bidirectional power conversion capability.
3Adaptability or versatility
If integrated power supply and power receiving module is used, then device integration is improved, but power transmission direction control complexity increases
Solution Approach 1:
The patent employs dynamic control mechanisms to manage the bidirectional power transmission in the integrated module. The system can dynamically switch between PSE and PD modes based on operational requirements, with control logic that automatically determines power transmission direction without adding significant complexity.
Solution Approach 2:
The integrated power supply module incorporates autonomous negotiation control that enables it to self-determine its operational mode (PSE or PD) based on the presence or absence of external power sources. This self-service capability simplifies control complexity by eliminating the need for external intervention in mode selection.
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 reduces costs and improves integration and reliability by enabling a single PoE system to perform dual functions, achieving bidirectional power transmission and autonomous negotiation, thereby enhancing space utilization and operational efficiency.
Implementation Method 1
a non-polar bidirectional power converter, configured to achieve bidirectional power transmission
Data Source
AI summary
The present disclosure discloses a power over Ethernet system, including: at least one network port module, configured to achieve power over Ethernet or receive electric energy provided by Ethernet; a power supply module, configured to acquire the electric energy; a power consumption module, configured to act as a load component using the electric energy; and at least one integrated power supply and power receiving module, configured to supply power to the network port module by the electric energy acquired from the power supply module when in a power supply mode, and supply power to the power assumption module by the electric energy acquired from the network port module when in a power receiving mode. The present disclosure reduces the cost of the PoE system, and improves the integration level of a device.