Ventilated Energy Storage Container for Uniform Battery Cooling

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Solution Overview

Problem

Conventional ventilating containers for energy storage units suffer from uneven heat dissipation due to poor ventilation, leading to high energy consumption and potential damage from temperature fluctuations when the air conditioner fails to maintain a sufficient temperature gradient.

Innovation Solution

A ventilating container design featuring a container body with a ventilating panel that includes air passages connecting inlets to strategically positioned outlets, supported by frame structures and equipped with air blowers and conduits for efficient air and electrical wire management, along with partitioned sections and supports for optimal airflow and heat dissipation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If batteries are columned together in a storage container with an air conditioner installed, then temperature control is achieved, but heat dissipation is uneven and energy consumption is high

Engineering Contradiction:
Improvetemperature controlVSAvoidenergy consumption
Core Design Contradiction:
TemperatureVSUse of energy by moving object

Solution Approach 1:

The container is divided into multiple storage layers with independent ventilation systems for each layer. Each layer has its own air inlet and outlet channels, allowing segmented temperature control and heat dissipation. This segmentation enables localized ventilation rather than requiring the entire container to be cooled uniformly, reducing overall energy consumption while maintaining temperature control.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the container are provided with differentiated ventilation characteristics. The ventilation panel includes air outlets distributed at designated positions on at least one side, creating localized airflow zones. Batteries in different positions receive appropriate ventilation based on their thermal conditions, rather than uniform cooling, which optimizes energy efficiency while maintaining temperature control.

Inventive Principle:
Principle #3Local quality

2Loss of energy

If air conditioner operates continuously at high energy consumption rate to maintain temperature gradient, then heat dissipation is improved, but energy consumption increases

Engineering Contradiction:
Improveheat dissipationVSAvoidenergy consumption
Core Design Contradiction:
Loss of energyVSUse of energy by moving object

Solution Approach 1:

The ventilation system utilizes natural convection currents generated by the batteries themselves to drive airflow. Hot air rising from the batteries creates natural draft that pulls cooler air through the ventilation channels without requiring high-energy mechanical forcing. The system serves itself by using the thermal energy already present in the batteries to drive the cooling process.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The design incorporates air channels and ventilation panels that guide airflow through the battery arrangement using pressure differentials created by temperature differences. The air inlet and outlet channels are positioned to exploit buoyancy-driven flow, where heated air naturally rises and exits through upper outlets while drawing in cooler air through lower inlets, creating a pneumatic cooling system without high-energy mechanical components.

Inventive Principle:
Principle #29Pneumatics and hydraulics

3Quantity of substance

If narrow gaps between batteries are poorly ventilated, then battery arrangement density is high, but heat dissipation in gaps is insufficient

Engineering Contradiction:
Improvebattery densityVSAvoidheat dissipation
Core Design Contradiction:
Quantity of substanceVSLoss of energy

Solution Approach 1:

The ventilation system addresses narrow gaps between batteries by introducing airflow paths in multiple dimensions. Rather than relying solely on horizontal ventilation, the design incorporates vertical air channels and multi-level storage layers with interconnected ventilation paths. This three-dimensional ventilation approach ensures that even narrow gaps receive adequate airflow from multiple directions, improving heat dissipation without reducing battery density.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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

The design enhances heat dissipation and ventilation, reducing energy consumption and preventing damage by ensuring consistent airflow and temperature control, even when the air conditioner operates at lower energy levels.

Implementation Method 1

the air inlet is in fluid communication with an air blower that drives air into the air passage via the air inlet

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Implementation Method 2

the ventilating panel encloses an air passage which connects an air inlet to a plurality of air outlets

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 3

the air outlets being distributed at designated positions on at least one side of the ventilating panel for ventilating said energy storage units

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Data Source

PatentEP4274001A1Energy storage container
Publication Date: 2023.11.08 NANYA PLASTICS CORP
  • EP4274001A1 patent drawingFigure 1
  • EP4274001A1 patent drawingFigure 2
  • EP4274001A1 patent drawingFigure 3

AI summary

A ventilating container for containing a plurality of energy storage units, comprises a container body defining a storage area; and a ventilating panel securing to the container body and defining a storage space within the storage area for supporting the energy storage units. The ventilating panel encloses an air passage which connects an air inlet to a plurality of air outlets, the air outlets being distributed at designated positions on at least one side of the ventilating panel for ventilating said energy storage units.