Hybrid Cable Interface for Remote Wireless Power and Data

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Solution Overview

Problem

The challenge lies in providing efficient and cost-effective power and communication solutions for remote wireless coverage areas, where traditional methods face difficulties in delivering both power and data, especially in areas without convenient power outlets, and require complex power protection and backup systems.

Innovation Solution

A hybrid cable system that integrates optical fibers for communication and electrical conductors for power, along with interface devices that include DC-DC converters and circuit protection, allowing for customizable voltage output and flexible power and communication signal formats, such as Power over Ethernet, to support various wireless devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If traditional separate power and communication systems are used, then power delivery and data transmission can be achieved, but system complexity increases and cost rises due to requiring separate cables and power protection systems

Engineering Contradiction:
Improvesystem complexityVSAvoidpower delivery reliability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent combines power delivery and optical communication into a single hybrid cable system. The cable includes both electrical conductors for power transmission and optical fibers for data communication, eliminating the need for separate power and communication infrastructure. This merging reduces system complexity while maintaining reliable power delivery through integrated DC-DC conversion and protection circuitry.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The hybrid cable serves multiple functions simultaneously: it provides both power delivery and optical communication capabilities through a single infrastructure. The interface device also performs multiple functions including optical-to-electrical conversion, DC-DC voltage conversion, and circuit protection, making the system universally applicable for powering remote wireless devices without requiring separate specialized systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If power outlets are installed in remote wireless coverage areas, then power can be delivered to devices, but installation cost and complexity increase

Engineering Contradiction:
Improveinstallation easeVSAvoidinstallation cost
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The patent replaces the mechanical/electrical power delivery system with an optical-based hybrid system. Instead of installing electrical power outlets and running power lines to remote locations, the system uses optical fibers combined with electrical conductors in a hybrid cable that can deliver both power and communication signals. This substitution eliminates the need for complex electrical installations in remote areas while reducing overall installation cost and complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If separate power and communication cables are used, then power and data can be transmitted independently, but the hybrid integration benefits are lost

Engineering Contradiction:
Improvepower format flexibilityVSAvoidcable system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a dynamic and flexible power delivery system where the interface device can convert optical signals to electrical power and provide multiple power output formats (such as Power over Ethernet and other customizable formats). This dynamic capability allows the system to adapt to different device power requirements while maintaining a unified hybrid cable infrastructure, providing versatility without increasing cable system complexity.

Inventive Principle:
Principle #15Dynamics

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

Enables reliable and efficient power distribution and communication over long distances, simplifying installation and reducing costs by integrating power and data transmission in a single hybrid cable system, suitable for diverse wireless applications.

Implementation Method 1

a cable inlet configured to receive a hybrid cable having an electrical conductor and an optical fiber

Methodology Applied
Scientific EffectOptical fiber transmission: Optical Fibre

Implementation Method 2

A power converter, such as a DC-DC converter electrically connected to the IDC

Methodology Applied
Scientific EffectElectrical energy conversion: Electromagnetic Induction

Data Source

PatentEP3885811A1Power and optical fiber interface
Publication Date: 2021.09.29 COMMSCOPE TECHNOLOGIES LLC
  • EP3885811A1 patent drawingFigure 1
  • EP3885811A1 patent drawingFigure 2~4
  • EP3885811A1 patent drawingFigure 5~6

AI summary

A power and optical fiber interface system includes a housing having an interior. A cable inlet is configured to receive a hybrid cable having an electrical conductor and an optical fiber. An insulation displacement connector (IDC) is situated in the interior of the housing configured to electrically terminate the conductor, and a cable outlet is configured to receive an output cable that is connectable to the IDC and configured to output signals received via the optical fiber.