Stackable Telecom Power Distribution Using Busbar Jumpers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional telecommunications equipment designs face challenges in power distribution, particularly in stackable systems without backplanes, requiring compact and reliable solutions that accommodate various module heights, redundancy options, and safety features like arc prevention, while allowing for flexible expansion and accommodating different voltage and amperage ratings.
Innovation Solution
The implementation of parallel power distribution chains using rigid but compliant jumper segments based on busbar-like technology, which are touch-proof and include connection detection and modulation mechanisms to ensure safe and efficient power distribution across modules of varying heights, enabling hot swapping and redundancy configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional point-to-point cabling is used for power distribution, then some issues are addressed, but reliability and redundancy comparable to backplane systems cannot be achieved, and cable management becomes complex
Solution Approach 1:
The power distribution system is segmented into modular power distribution units (PDUs) that can be independently installed and configured. Each PDU contains integrated power connectors and distribution circuitry, dividing the complex cabling task into manageable modular segments that simplify installation while maintaining high reliability through standardized interfaces
Solution Approach 2:
The invention merges power distribution functionality with mounting structure functionality by integrating power connectors directly into the PDU housing and rack structure. This combination eliminates separate cabling requirements and reduces overall system complexity while enhancing reliability through built-in connection points
2Adaptability or versatility
If pre-allocation of power distribution ports and rack space is performed, then system expansion is simplified, but flexibility to accommodate varying power requirements and module heights is reduced
Solution Approach 1:
The power distribution system employs dynamic configuration capabilities where PDUs can be added, removed, or repositioned along the rack structure without requiring pre-allocation of specific ports or spaces. The system adapts to changing power requirements through hot-swappable modules and flexible connector placements that respond to actual deployment needs rather than fixed plans
3Area of stationary object
If compact cabling solutions are used to save space, then space for data signaling and control connectors is reduced, but cable and connector handling and voltage safety concerns increase
Solution Approach 1:
The invention introduces an intermediary grounded shield between power conductors and other components. This shield acts as a protective barrier that prevents arcing and electrical discharge while maintaining compact form factor. The shielded enclosure allows close spacing of cables and connectors without compromising safety, as the intermediary shielding structure blocks harmful electrical interactions
4Adaptability or versatility
If various module heights are accommodated in one stack, then system versatility is improved, but cable slack management and storage requirements increase
Solution Approach 1:
The power distribution system incorporates self-managing cable features including built-in cable management channels, tensioning mechanisms, and automatic routing guides integrated into the PDU structure. These self-service features eliminate the need for external cable storage systems by automatically organizing and managing cable slack within the distribution units themselves, accommodating various module heights without requiring additional cable storage space
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 solution provides a reliable, expandable, and safe power distribution system that avoids arcing, supports multiple redundancy options, and accommodates diverse module heights and power requirements, maintaining system uptime during module additions or replacements, while minimizing cable complexity and ensuring compliance with EIA and ETSI spacing standards.
Implementation Method 1
The power jumper segment is formed with a bend along a length thereof, creating a spring section that permits the length of the power jumper segment to be adjusted to a degree via compression or extension thereof
Data Source
AI summary
The solution of the present disclosure connects the power in parallel distribution chains. A horizontal pizza box in the middle of the equipment stack represents the power box (PB), which houses the power modules (PMs), such as the power input modules (PIMs) or the power supply units (PSUs). The PMs in the PB are connected to the office power source(s), and the PB supplies power to the parallel distribution chains (A′ and B′). The parallel distribution chains are composed of jumper segments that are based on busbar-like technology, with each jumper segment being the length of the distance between coupled boxes. Any box can be removed without disrupting either distribution chain. Advantageously, the jumper segments are touch-proof, from a safety perspective. Thus, instead of a jumper created using a cable, PCB, etc., or a jumper composed of a custom molded back-to-back connector, the jumpers are based on busbar-like technology.