Twisted Pair Cable With Fluid-Cooled Central Member
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Solution Overview
Problem
Communication cables, particularly those with twisted pair components, face heat management issues due to heat generation near electronic equipment, which can impact electrical performance and equipment performance.
Innovation Solution
Incorporating unjacketed twisted pair components around a central cooling member with longitudinally extending channels filled with fluid for convective heat transfer, and optional electromagnetic shielding to facilitate heat dissipation and performance improvement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If twisted pair cables are installed in close proximity to electronic equipment, then cable installation flexibility is improved, but heat generation increases and electrical performance deteriorates
Solution Approach 1:
A cooling member is introduced as an intermediary component between the twisted pair conductors and the external environment. This cooling member includes fluid-filled channels that facilitate heat transfer from the conductors to the cooling fluid, thereby mediating the thermal interaction and preventing excessive temperature rise while maintaining close proximity installation capability
Solution Approach 2:
The cooling member incorporates fluid-filled channels that utilize hydraulic principles to circulate cooling fluid through the cable structure. The fluid acts as a heat transfer medium, absorbing thermal energy from the twisted pair conductors and transporting it away, thus managing temperature while allowing flexible cable routing near electronic equipment
2Area of stationary object
If multiple twisted pair cables are installed in close proximity, then space utilization is improved, but heat accumulation increases and electrical performance deteriorates
Solution Approach 1:
The cooling member serves as a thermal intermediary that intercepts heat from multiple adjacent cables. The fluid channels within the cooling member provide dedicated heat evacuation pathways, preventing heat accumulation even when multiple cables are bundled together, thus enabling high space utilization without thermal penalties
Solution Approach 2:
The cooling member structure provides multiple functions simultaneously: it serves as a thermal management system for multiple twisted pair cables, provides structural support for the cable bundle, and facilitates heat transfer through its fluid channels. This multi-functionality allows effective heat management in densely packed cable configurations
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 dissipates heat generated in twisted pair components, enhancing electrical performance and reducing temperature fluctuations, thereby improving the overall performance of communication cables and associated equipment.
Implementation Method 1
longitudinally extending channels filled with fluid for convective heat transfer
Data Source
AI summary
Communication cables incorporating a plurality of twisted pair components formed around a central member are described. A central member may extend lengthwise along a longitudinal length of a cable, and the central member may include a channel extending lengthwise that defines a longitudinal cavity through the central member. A plurality of unjacketed twisted pair components may be formed around the central member, and each component may include a plurality of twisted pairs of individually insulated electrical conductors Further, a jacket may be formed around the central member and the plurality of twisted pair components.