External Choke Integration for POE Connector Standardization
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Solution Overview
Problem
Power Over Ethernet (POE) systems face challenges in mitigating noise and ground currents effectively as device designs evolve, leading to increased costs due to the need for frequent retooling and modification of integrated connectors.
Innovation Solution
The solution involves separating the choke and transformer functions within integrated connectors, where the choke is externalized and connected to the transformer through a circuit board, allowing each component to be optimized and tuned independently, reducing the need for retooling and enabling cost savings by maintaining a standardized transformer design while adapting choke sizes to changing noise profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the choke and transformer are integrated within the connector, then the connector design is simplified, but the system becomes inflexible and requires frequent retooling when noise profiles change
Solution Approach 1:
The patent divides the integrated connector into separate modules: the connector housing with transformer remains standardized, while the choke is externalized as a separate component mounted on the circuit board. This segmentation allows the choke to be independently selected and replaced based on different noise profiles without modifying the connector design, thus resolving the contradiction between design simplicity and adaptability.
Solution Approach 2:
The choke function is extracted from the integrated connector and placed as a separate external component. This extraction enables independent optimization of the choke for different noise conditions while maintaining a standardized connector design, eliminating the need for retooling the connector when noise profiles change.
2Reliability
If the choke size is changed to match different noise profiles, then noise filtering performance is improved, but retooling costs increase
Solution Approach 1:
By segmenting the choke from the connector assembly, the patent enables independent selection of choke sizes and specifications based on noise requirements. Different choke variants can be manufactured separately and mounted on the same standardized connector circuit board, avoiding retooling costs while maintaining optimized noise filtering performance for different applications.
Solution Approach 2:
The standardized connector design with external choke mounting creates a universal platform that can support multiple choke variants. This universality allows the same connector infrastructure to serve different noise filtering requirements by simply changing the external choke component, eliminating retooling costs while maintaining reliability.
3Reliability
If the integrated connector design is modified for each device iteration, then noise mitigation is optimized, but manufacturing costs increase
Solution Approach 1:
The patent segments the noise mitigation function into a standardized connector portion and an adjustable external choke portion. This allows the majority of the connector design to remain unchanged across device iterations, maintaining high manufacturing efficiency, while only the external choke needs to be modified to optimize noise mitigation for different applications.
Solution Approach 2:
The patent enables optimization of noise mitigation by changing only the choke parameters (size, inductance, frequency response) while keeping the connector design constant. This parameter change approach allows tailored noise filtering for different devices without requiring changes to the connector manufacturing process, thus maintaining productivity while improving reliability.
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 approach allows for cost-effective management of noise filtering and ground current mitigation across the lifecycle of POE devices, reducing retooling costs and enabling high-volume automation, while maintaining a consistent integrated connector design.
Implementation Method 1
The at least one transformer may be tuned to block ground currents in the device
Implementation Method 2
The at least one choke may be tuned to filter noise caused by other components in the device
Data Source
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AI summary
An apparatus may be provided. The apparatus may comprise a circuit board. In addition, the apparatus may comprise an integrated connector mounted to the circuit board. A choke, external to the integrated connector, may be included in the apparatus. The choke may be electrically connected to the integrated connector through the circuit board.