Liquid cooling server deployment and delivery apparatus and operation

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Solution Overview

Problem

Existing liquid cooling solutions for data centers are inefficient at scale, particularly for high-power density electronic racks, as they lack a comprehensive system and method for deployment and delivery.

Innovation Solution

A fluid deployment unit with an expandable container and three-way valves for managing gaseous and liquid phases, allowing for the transportation, testing, and deployment of liquid cooling systems across multiple electronic racks, utilizing a two-phase coolant loop with inert gases and dielectric solutions for efficient heat transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If liquid cooling systems are implemented for high-density electronic racks, then thermal management effectiveness is improved, but deployment complexity and logistics challenges increase

Engineering Contradiction:
Improvethermal management effectivenessVSAvoiddeployment complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The liquid cooling system is divided into modular components including rack-mounted evaporators, external chillers, and distributed heat exchangers. This segmentation allows independent installation and maintenance of cooling zones, reducing overall deployment complexity while maintaining effective thermal management across high-density electronic racks.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system performs preliminary cooling capacity assessment and thermal zone mapping during the planning phase. Liquid cooling manifolds and fluid distribution networks are pre-configured and pre-tested before electronic rack installation, enabling seamless integration and reducing on-site deployment complexity.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If liquid cooling infrastructure is installed for future scalability, then adaptability for high-power density racks is improved, but initial device complexity and cost increase

Engineering Contradiction:
Improveadaptability for high-power density racksVSAvoidinitial infrastructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The liquid cooling infrastructure is designed with universal interfaces and standardized mounting configurations that can serve multiple rack types and power densities. The modular chiller units and heat exchanger arrays can be dynamically allocated across different electronic racks, providing adaptability for future high-power density deployments without requiring dedicated infrastructure for each rack type.

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

Solution Approach 2:

The system incorporates dynamically configurable fluid distribution networks with controllable flow meters and variable speed pumps. This allows real-time adjustment of cooling capacity allocation based on actual thermal loads, enabling the infrastructure to adapt to varying power densities and rack configurations without physical reconfiguration.

Inventive Principle:
Principle #15Dynamics

3Productivity

If comprehensive liquid cooling deployment systems are implemented, then productivity of cooling system installation is improved, but device complexity increases

Engineering Contradiction:
Improvedeployment efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The liquid cooling deployment system includes self-diagnostic capabilities and automated configuration tools that guide installation personnel through the deployment process. The system automatically detects rack thermal zones, configures appropriate cooling capacities, and validates fluid connections, significantly improving deployment productivity while the software automation masks the underlying system complexity.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The deployment system incorporates real-time feedback mechanisms including thermal sensors, flow meters, and pressure monitors that continuously monitor system performance. This feedback enables automated adjustment of cooling parameters and immediate detection of installation issues, improving deployment productivity by reducing manual testing and commissioning requirements despite the increased sensor and control infrastructure.

Inventive Principle:
Principle #23Feedback

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 efficient large-scale deployment and operation of liquid cooling systems, effectively managing thermal loads in high-density data centers by providing an end-to-end solution for testing, delivery, and deployment, ensuring proper thermal management and reducing the risk of overheating.

Implementation Method 1

Liquid cooling, on the other hand, which involves passing a cooling liquid through heat sinks of server electronics

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

utilizing a two-phase coolant loop with inert gases and dielectric solutions for efficient heat transfer

Methodology Applied
Scientific EffectPhase change: Phase Change

Data Source

PatentUS11943900B2Liquid cooling server deployment and delivery apparatus and operation
Publication Date: 2024.03.26 BAIDU USA LLC
  • US11943900B2 patent drawing
  • US11943900B2 patent drawing
  • US11943900B2 patent drawing

AI summary

A fluid deployment unit includes an expandable container containing mixed fluids in a gaseous region and a liquid region, where the expandable container includes a gas-out port, a liquid-out port, a gas-in port, and a liquid-in port. The fluid deployment unit includes a first three-way valve having a first port coupled to the liquid-out port, a second port coupled to the gas-out port, and a third port matable to an inlet of an electronic rack. The fluid deployment unit includes a second three-way valve having a first port matable to an input port of a liquid-to-liquid exchange unit of a testing assistant unit, a second port coupled to the gas-in port, and a third port matable to an outlet of the electronic rack, where the liquid-in port of the expandable container is matable to an output port of the liquid-to-liquid exchange unit.