Rack Power Bus Bar Bridging Structure for Stable Multi-Rack Distribution

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing server racks face challenges in efficient power transmission due to unstable connections via conductive wires, leading to space arrangement difficulties and potential damage, which are not effectively addressed by current technologies.

Innovation Solution

A power bridging structure and bus bar bridging device are introduced, featuring a bar housing with power connectors and conductive bridges, allowing easy connection and transmission of power between multiple racks through a single point, utilizing a power bus bar bridging device with claws for secure attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conductive wires are used to connect racks for power transmission, then power can be dispatched between racks, but space arrangement becomes difficult and unstable power transmission occurs

Engineering Contradiction:
Improvepower dispatch capabilityVSAvoidpower transmission stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent introduces a power bus bar bridging device as an intermediary component between racks. This device includes conductive bridges that electrically connect power bus bars from different racks, serving as a stable mediator for power transmission. The bridging device with its structured connectors and conductive elements provides a reliable intermediate connection that resolves the instability issue of direct wire connections while maintaining power dispatch capability.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the mechanical wire connection system with a structured bus bar bridging system. Instead of using flexible conductive wires that are prone to instability, the invention employs rigid bus bars with standardized connectors and conductive bridges, creating a more stable mechanical and electrical connection structure that eliminates the reliability issues of wire-based connections.

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

2Adaptability or versatility

If conductive wires are used to connect racks, then power transmission is enabled, but space arrangement of cabling becomes difficult

Engineering Contradiction:
Improvepower transmission capabilityVSAvoidcabling space
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent replaces extensive cabling with a compact bus bar bridging structure. The power bus bar bridging device integrates multiple connection points and conductive bridges in a condensed form factor, eliminating the need for long-running wires and reducing the space required for cable management while maintaining full power transmission capability between racks.

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

Solution Approach 2:

The patent merges multiple power connection functions into a single integrated bus bar bridging device. By combining multiple connectors and conductive bridges into one unified structure, the invention consolidates what would otherwise require separate wire runs and connection points, significantly reducing the overall space needed for cabling infrastructure.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If conductive wires are used for power connection, then power can be transmitted, but damage is caused by unstable power transmission

Engineering Contradiction:
Improvepower transmission functionVSAvoiddamage from unstable transmission
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The power bus bar bridging device serves as a stable intermediary that filters and stabilizes power transmission between racks. The structured conductive bridges and connectors in the bridging device provide consistent electrical contact, preventing the unstable power transmission that causes damage, while still enabling full power dispatch functionality between connected racks.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If multiple racks are connected independently to power supply inputs, then each rack has independent power, but expansion becomes difficult and space is wasted

Engineering Contradiction:
Improveindependent power supplyVSAvoidequipment expandability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The power bus bar bridging device provides universal power interconnection capability that works across multiple rack configurations. The standardized connectors and modular bridge structure allow the same device to facilitate power sharing between any number of racks, enabling easy expansion from 2 racks to more while maintaining reliable power supply. The system supports both independent power operation and shared power distribution modes.

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

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

Facilitates efficient power distribution across multiple racks, simplifying space arrangement and reducing potential damage, enabling easy expansion and stable power transmission.

Implementation Method 1

The conductive bridges are arranged in the bar housing and electrically connected to the power connectors respectively

Methodology Applied
Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentEP4629026A1Power bridging structure for racks and power bus bar bridging device thereof
Publication Date: 2025.10.08 DELTA ELECTRONICS INC(CN)
  • EP4629026A1 patent drawingFigure 1
  • EP4629026A1 patent drawingFigure 2
  • EP4629026A1 patent drawingFigure 3

AI summary

This disclosure is directed to a power bridging structure for racks and a power bus bar bridging device (50) thereof, the power bus bar bridging device (50) is used for bridging multiple power bus bars (20, 20a, 20b, 20c, 20d) in different racks (10, 10a, 10b, 10c, 10d). The power bus bar bridging device (50) has a bar housing (100), a plurality of power connectors (200, 200a) and a plurality of conductive bridges (300, 300a). The power connectors (200, 200a) are arranged in the bar housing (100). Each power connector (200, 200a) has a joint (210, 210a). Each joint (210, 210a) has a pair of claws (211, 211a) and each joint (210, 210a) is exposed from the bar housing (100). The conductive bridges (300, 300a) are arranged in the bar housing (100), and each conductive bridge (300, 300a) is connected to the power connectors (200, 200a). The power connectors (200, 200a) are respectively used for connecting to one of the rack power bus bars (20, 20a, 20b, 20c, 20d).