Hybrid Power Supply Control for Reverse and Local Network Feeds
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Solution Overview
Problem
Existing communication networks face challenges in providing a hybrid power supply that can seamlessly integrate reverse power supply with AC, photovoltaic cell, and lead-acid battery power supplies, especially when old and new services overlap, merge, and mix, as current solutions do not allow for multiple power supplies or adjustable ratios.
Innovation Solution
A power supply control device and method that detects and analyzes circuit data from various power supply modules, adjusts output voltages, and converges them to form a hybrid power supply bus bar, enabling switching and ratio control between different power supply modes to meet diverse requirements, improving configurability, flexibility, reliability, and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single power supply mode (AC or reverse power supply) is used exclusively, then the power supply system is simple to control, but it cannot meet the diverse requirements of hybrid service networking scenarios
Solution Approach 1:
The patent implements dynamic power supply mode switching and ratio adjustment capabilities. The system can dynamically select between AC power supply, reverse power supply, or hybrid power supply modes based on service requirements, and dynamically adjust the power supply ratio between different sources. This dynamic adaptability resolves the contradiction by allowing the system to be simple when a single mode suffices while becoming versatile when hybrid scenarios arise.
Solution Approach 2:
The power supply control device is designed to support multiple power supply modes (AC, reverse power supply, and hybrid) within a single system. It provides universal functionality to handle both traditional single-mode scenarios and modern hybrid service networking scenarios, thereby improving adaptability without requiring separate dedicated systems for each power supply type.
2Adaptability or versatility
If multiple power supply modules are integrated into a hybrid power supply system, then the system can meet diverse application requirements, but the control and coordination between different power supply modes becomes complex
Solution Approach 1:
The patent introduces a power supply control device as an intermediary between multiple power supply modules (AC power supply module, reverse power supply module) and the power bus. This intermediary coordinates the operation of different power supply modes, manages power flow distribution, and controls the switching between modes. By centralizing control functions, it simplifies the coordination complexity while maintaining hybrid power supply capabilities.
Solution Approach 2:
The system segments power supply control into independent functional modules (AC power supply module, reverse power supply module, power supply control device). Each module operates semi-independently with clearly defined interfaces, making the overall system easier to control and coordinate. The segmentation allows for modular management of complex hybrid power supply scenarios.
3Adaptability or versatility
If old services (VDSL/VDSL2) and new services (G.fast) overlap and merge in the network, then service coverage is improved, but the power supply system cannot simultaneously support both service types with different power requirements
Solution Approach 1:
The system provides dynamic power supply mode selection to match different service requirements. For G.fast services that support reverse power supply, the system can utilize RPF mode. For VDSL/VDSL2 services that do not support RPF, the system switches to AC power supply or battery backup modes. This dynamic adaptation ensures reliable power supply for each service type while allowing old and new services to coexist in the same network.
Solution Approach 2:
The system changes power supply parameters (power source selection, power supply ratio) based on service type requirements. By adjusting these parameters dynamically, the system can accommodate both old services requiring traditional AC/battery power supply and new services capable of reverse power supply, thereby maintaining service network compatibility while ensuring power supply reliability for each.
Data Source
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AI summary
The present invention provides a power supply control method and device for a communication network. The device includes a reverse power supply module (11), a local power supply module and a power supply control module (14). The reverse power supply module (11) is configured to detect a power supply state of a reverse power supply terminal, and transmit reverse power supply state information to the power supply control module (14). The local power supply module is configured to detect a power supply state of a local power supply terminal, and transmit local power supply state information to the power supply control module (14). The power supply control module (14) is configured to output, according to the reverse power supply state information and the local power supply state information, a control signal to the reverse power supply module (11) and a control signal to the local power supply module, so as to adjust ratios and magnitudes of power supply outputs of the reverse power supply module (11) and the local power supply module.