PoE Controller Protocol Translation for Multi-Device Power Control
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Solution Overview
Problem
Current Power over Ethernet (PoE) systems lack efficient controllers that can seamlessly bridge PoE networks with facility management systems, limiting the ability to control and power devices like lighting units, sensors, and actuators without internet access and requiring multiple Ethernet switches for each device.
Innovation Solution
The development of a PoE controller with a PoE interface and device interface, capable of receiving control information and generating instructions for devices, which includes a printed circuit board assembly with processors and memory to translate Ethernet protocols to local protocols, enabling communication and power management for devices in a network, and allowing for daisy-chaining and power sharing among devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple Ethernet switches are used for each device, then device control capability is improved, but system complexity and installation cost increase
Solution Approach 1:
The patent combines multiple Ethernet switch functions into a single PoE controller that can manage multiple devices through a single interface. The controller integrates power management, data communication, and device control capabilities, eliminating the need for separate Ethernet switches for each device while maintaining full control functionality.
Solution Approach 2:
The PoE controller is designed as a universal device that can control multiple different types of devices (lighting, sensors, actuators) through a single interface. It provides multi-functional capabilities including power delivery, data communication, and protocol translation, replacing multiple specialized devices with one versatile controller.
2Ease of manufacture
If PoE controllers are implemented, then installation cost is reduced, but control functionality may be limited
Solution Approach 1:
The PoE controller acts as an intermediary device that translates between Ethernet protocols and local device protocols. It receives control information via the PoE interface, translates it into appropriate local protocols, and generates control instructions for the device interface, thereby maintaining full control functionality while enabling cost-effective PoE-based installation.
Solution Approach 2:
The controller is designed with separate functional modules: a PoE interface for power and data reception, a translation module for protocol conversion, and a device interface for local control. This segmentation allows the system to maintain comprehensive control capabilities while being implemented through a single integrated device rather than multiple components.
3Adaptability or versatility
If protocol translation is implemented, then device compatibility is improved, but processing complexity increases
Solution Approach 1:
The controller serves as a protocol translation intermediary, containing translation logic that converts Ethernet protocols to local device protocols and vice versa. This centralized translation approach enables broad device compatibility while managing processing complexity within a single device rather than requiring complex distributed protocol handling across multiple devices.
Data Source
AI summary
A system and/or method can include power of Ethernet (PoE) controller including a PoE interface, a device interface and a controller, communicatively coupled to the PoE interface and the device interface. The controller can be configured to receive device control information via the PoE interface and to generate control instructions in response to the device control information for the device interface.