Network Appliance Power Conditioning Circuit
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Solution Overview
Problem
Modern communication networks face challenges with power quality issues such as overvoltage, undervoltage, surges, and transients, which can damage equipment and disrupt network communications, and existing surge protection devices often fail to protect against longer duration events and electromagnetic interference (EMI)/radio-frequency interference (RFI).
Innovation Solution
A network appliance with integrated power conditioning and communication circuits that includes a power monitor and control circuit to analyze power quality, generate switch control signals, and selectively provide conditioned power, thereby protecting both power and communication circuits from adverse conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate protection devices for power and communication signals are used, then comprehensive protection coverage is achieved, but device complexity and number of components increase
Solution Approach 1:
The power conditioning device is designed with multi-functionality to provide comprehensive protection across both power and communication domains. It includes surge protection circuitry for transient events, power management circuitry for voltage regulation, and an integrated communication circuit for network connectivity. This universal design delivers complete protection coverage through a single device rather than multiple separate components.
Solution Approach 2:
The invention combines multiple previously separate protection devices into one integrated unit. The surge protection circuitry, power management circuitry with voltage monitoring, and communication circuit are merged into a single device with unified control logic, reducing system complexity while maintaining comprehensive protection capabilities.
2Reliability
If integrated power conditioning and communication circuits are used, then both power and communication are protected from adverse conditions, but device functionality and complexity increase
Solution Approach 1:
The device achieves multi-functionality by integrating power conditioning capabilities with communication capabilities in a single unit. The power management circuitry handles voltage regulation and surge protection while the integrated communication circuit provides network connectivity. This universal design protects both functions simultaneously without requiring separate dedicated devices.
Solution Approach 2:
The invention merges the power conditioning subsystem with the communication subsystem into one integrated device. The housing contains both the power management circuitry and communication circuit with shared protection mechanisms, reducing the overall number of components while providing comprehensive protection for both power and communication functions.
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
The solution effectively mitigates power quality issues by providing robust protection against surges, transients, and EMI/RFI, ensuring stable operation of network equipment and preventing communication failures.
Implementation Method 1
Many commercially available surge protection devices include some power conditioning by which electromagnetic interference (EMI) and radio-frequency interference (RFI) are filtered from the supplied power
Implementation Method 2
A switch circuit electrically interposed between the power conditioning circuit and the communication circuit selectively provides the conditioned electrical power to the communication circuit in accordance with the state of the switch control signal
Data Source
AI summary
A network appliance apparatus conveys communication signals over a communication network and is constructed from a communication circuit and a power conditioning circuit in a common housing. The power conditioning circuit conditions alternating current (AC) electrical power and it is determined which power criteria are met by the conditioned electrical power. The conditioned electrical power is selectively provided to the communication circuit in response to one of the power criteria being met such that the conditioned electrical power is removed from the communication circuit when another of the power criteria is met.