Server Room Cooling Device Using External Air and Mist Evaporation

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Solution Overview

Problem

Data centers face high energy consumption and maintenance costs due to traditional cooling methods, and existing solutions do not effectively utilize external natural air for cooling, nor can they adapt to changing environmental conditions or provide emergency cooling without altering the existing infrastructure.

Innovation Solution

A server room cooling device that introduces and filters external air, sprays mist into it to cool the air, and supplies it to the server room, using a system with integrated filters and a cooling unit that can adjust to temperature and humidity levels, and includes emergency air supply mechanisms to prevent overheating during malfunctions, all while maintaining the existing data center structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional thermostat cooling is used, then reliable cooling is provided, but energy consumption increases significantly (50-60% of total electricity)

Engineering Contradiction:

Improvecooling reliabilityVSAvoidenergy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system segments the cooling function into two parts: a thermostat for reliable baseline cooling and an external air introduction system for energy-efficient supplemental cooling. This allows the system to maintain reliability while reducing overall energy consumption by utilizing free external air when conditions permit.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system changes the parameter of cooling source from exclusively internal thermostat-generated cold air to a mix of thermostat cooling and external natural air. By adjusting the proportion of external air based on temperature and humidity conditions, the system reduces energy consumption while maintaining adequate cooling performance.

Inventive Principle:

Principle #35Parameter changes

2Use of energy by moving object

If external air is introduced for cooling, then energy consumption is reduced, but foreign substances in external air may enter the server room

Engineering Contradiction:

Improveenergy consumptionVSAvoidforeign substances

Core Design Contradiction:

Use of energy by moving objectVSObject-affected harmful factors

Solution Approach 1:

A filter is introduced as an intermediary component between the external air source and the server room. This filter captures foreign substances while allowing cooling air to pass through, enabling the system to utilize external air for energy savings without introducing harmful particles into the server environment.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Temperature

If thermostat cooling is used, then stable temperature control is achieved, but space utility is reduced due to thermostat and cooling infrastructure

Engineering Contradiction:

Improvetemperature controlVSAvoidspace utility

Core Design Contradiction:

TemperatureVSArea of stationary object

Solution Approach 1:

The system extracts the cooling function from the internal server room infrastructure and relocates it partially to external air sources. By introducing cooling air from outside the building, the system reduces the need for internal thermostat equipment and cooling infrastructure, thereby increasing space utility within the data center.

Inventive Principle:

Principle #2Taking out (Extraction)

4Use of energy by moving object

If external air cooling is implemented, then maintenance expenses increase due to filter replacement, but energy savings are achieved

Engineering Contradiction:

Improveenergy consumptionVSAvoidmaintenance expenses

Core Design Contradiction:

Use of energy by moving objectVSEase of repair

Solution Approach 1:

The system employs disposable or periodically replaceable filters that are relatively inexpensive compared to the energy savings achieved. By using affordable filter media that can be replaced regularly, the system minimizes maintenance expenses while maximizing energy efficiency benefits from external air cooling.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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 reduces energy consumption, effectively blocks foreign substances, optimizes cooling based on environmental conditions, increases data center space utility, and ensures continuous operation by using external air for cooling, even during emergencies, without the need for additional infrastructure changes.

Implementation Method 1

sprays mist into it to cool the air

Methodology Applied

Scientific EffectEvaporative cooling: Evaporative Cooler

Data Source

PatentUS10492338B2Server room cooling device, filter module for introducing outer air, and data center air-conditioning system comprising same

Publication Date: 2019.11.26 NAVER CLOUD CORP

AI summary

Provided is a server room cooling device including: an outer air inflow unit into which outer air flows; a filter unit provided at one side of the outer air inflow unit and filtering the outer air supplied through the outer air inflow unit; a mist ejection unit provided at one side of the filter unit and ejecting mist into the outer air that has passed through the filter unit; and a supply unit provided at one side of the mist ejection unit and supplying the outer air that has passed through the mist ejection unit to a server room.