Retractable Thermo-Hygrostat for ESS Container Battery Cooling

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Solution Overview

Problem

The challenge is to develop a thermo-hygrostat that efficiently cools the battery of an energy storage system (ESS) while increasing its capacity, without compromising the limited space within the ESS container.

Innovation Solution

The thermo-hygrostat is designed to move inward and outward through an accommodation opening in the container, allowing it to protrude outside when in operation, thereby expanding the cooling passage and enhancing cooling efficiency. This design minimizes the space occupied inside the container while maintaining a larger cooling capacity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If the volume of the thermo-hygrostat is increased to increase cooling capacity, then the cooling efficiency is improved, but the space occupied inside the container increases, reducing the power storage capacity

Engineering Contradiction:

Improvecooling capacityVSAvoidspace occupied inside container

Core Design Contradiction:

PowerVSVolume of stationary object

Solution Approach 1:

The thermo-hygrostat is designed with movable functionality, allowing it to extend outward from the container during operation and retract during transportation. This dynamic configuration enables the device to have a larger effective volume when needed for cooling while minimizing its occupied space inside the container during non-operational phases, thus resolving the contradiction between cooling capacity and space occupation.

Inventive Principle:

Principle #15Dynamics

2Power

If the volume of the thermo-hygrostat is increased to improve cooling performance, then the cooling efficiency is enhanced, but the distance between ESS modules must be increased, further restricting the available volume

Engineering Contradiction:

Improvecooling efficiencyVSAvoidspacing distance between thermo-hygrostat and ESS

Core Design Contradiction:

PowerVSLength of moving object

Solution Approach 1:

The thermo-hygrostat employs a dynamic structure that can extend outward to provide adequate spacing for cooling air circulation only when the container is in operational mode. During transportation, the device retracts to minimize the spacing requirement, allowing ESS modules to be positioned closer together. This dynamic adjustment resolves the contradiction between maintaining sufficient cooling distance and maximizing the use of available space.

Inventive Principle:

Principle #15Dynamics

3Power

If the thermo-hygrostat protrudes outside the container to expand cooling passage, then the cooling efficiency is improved, but the container dimensions exceed transportation standards

Engineering Contradiction:

Improvecooling efficiencyVSAvoidcontainer dimension

Core Design Contradiction:

PowerVSLength of stationary object

Solution Approach 1:

The thermo-hygrostat is designed as a dynamic component that can protrude from the container during operational phases to maximize cooling efficiency, while automatically retracting during transportation to maintain compliance with standard container dimensions. This dynamic behavior allows the system to optimize cooling performance when needed without permanently exceeding transportation size limits.

Inventive Principle:

Principle #15Dynamics

4Length of stationary object

If the thermo-hygrostat is fixed inside the container to maintain compact dimensions, then the transportation compliance is maintained, but the cooling passage is insufficient, reducing cooling efficiency

Engineering Contradiction:

Improvecontainer dimensionVSAvoidcooling efficiency

Core Design Contradiction:

Length of stationary objectVSPower

Solution Approach 1:

The thermo-hygrostat transitions from a fixed configuration during transportation to an extended configuration during operation. This dynamic capability allows the device to maintain compact dimensions for transportation compliance while providing sufficient cooling passage expansion when the container is in service, thereby resolving the contradiction between maintaining compact size and ensuring adequate cooling performance.

Inventive Principle:

Principle #15Dynamics

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 effectively increases the cooling capacity of the thermo-hygrostat while optimizing the use of space within the ESS container, ensuring efficient cooling of the battery and improved operational stability of the ESS.

Implementation Method 1

the thermo-hygrostat is installed in the accommodation opening formed on one side of the container, being movable inward and outward

Methodology Applied

Scientific EffectMechanical movement:

Implementation Method 2

protruding to the outside of the container, after installing the container, to form a cooling passage through which air can circulate inside the container

Methodology Applied

Scientific EffectConvection: Convection

Data Source

PatentUS20250033871A1Thermo-hygrostat installed in container for energy storage

Publication Date: 2025.01.30 OH CHUNG LOCK

AI summary

The present disclosure relates to a thermo-hygrostat provided in an ESS container that stores and uses energy using a battery, and more particularly, a thermo-hygrostat installed in the accommodation opening formed on one side of the container, being movable inward and outward, not protruding outside the container during transportation of the container, and protruding to the outside of the container, after installing the container, to form a cooling passage through which air can circulate inside the container, thereby efficiently utilizing space inside the container even when its volume increases as the capacity of the thermo-hygrostat increases.