Bicycle Frame with Segmented Battery Chamber for Heat Dissipation

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Solution Overview

Problem

Existing bicycle and electric bicycle frames lack effective heat dissipation and protection from humidity, which can negatively impact battery performance and longevity, especially when used in varying environmental conditions.

Innovation Solution

The frame design incorporates multiple chamber units with ribbed partitions and strategically placed holes for fluid communication, allowing for efficient heat dissipation and protection from humidity by accommodating the battery pack within a structure that enhances rigidity and air flow, thereby maintaining battery performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If the battery pack is accommodated in a solid frame structure, then structural integrity and rigidity are improved, but heat dissipation capability deteriorates

Engineering Contradiction:
Improvestructural integrityVSAvoidheat dissipation
Core Design Contradiction:
StrengthVSTemperature

Solution Approach 1:

The frame is divided into multiple chamber units (first chamber unit, second chamber unit, third chamber unit) that are coupled together. These chambers create internal void spaces that allow air flow paths for heat dissipation while the overall frame structure maintains its rigidity and strength for supporting the battery pack.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the frame are designed with different properties: the chamber walls and coupling structures provide structural strength, while the internal chamber spaces provide thermal management pathways. The frame units have localized features (chambers, openings) that optimize heat dissipation in specific areas without compromising overall structural integrity.

Inventive Principle:
Principle #3Local quality

2Object-affected harmful factors

If the frame structure is made solid for protection, then protection from humidity is improved, but heat dissipation deteriorates

Engineering Contradiction:
Improveprotection from humidityVSAvoidheat dissipation
Core Design Contradiction:
Object-affected harmful factorsVSTemperature

Solution Approach 1:

The frame is segmented into multiple chamber units with controlled openings and couplings. This segmentation allows the frame to provide protective enclosure against humidity while creating internal pathways for air flow and heat dissipation from the battery pack.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The chamber units act as intermediary structures between the battery pack and the external environment. They provide a protected internal environment that shields the battery from humidity while allowing thermal management through controlled air flow paths within the chamber structure.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Temperature

If multiple chamber units are coupled to improve heat dissipation, then heat dissipation capability is improved, but device complexity increases

Engineering Contradiction:
Improveheat dissipationVSAvoidframe structure complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

Multiple frame units (first, second, and third chamber units) are coupled together to form an integrated frame structure. This merging of multiple functional units creates effective heat dissipation pathways while consolidating the overall structure to manage complexity through modular assembly.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The frame units are designed as multi-functional components that simultaneously provide structural support, humidity protection, and heat dissipation pathways. This multi-functionality reduces the need for separate components, thereby managing overall device complexity while achieving multiple objectives.

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

This design effectively dissipates heat generated by the battery pack and protects it from humidity, ensuring improved battery performance and longevity while maintaining structural integrity.

Implementation Method 1

a first chamber unit having an opening formed in one side of the first chamber unit and an accommodation space where the battery pack, inserted through the opening, is accommodated; and a second chamber unit that is on one side of the first chamber unit, wherein an outer sidewall of the second chamber unit may include a hole through which the inside of the second chamber unit and the outside of the at least one frame unit are fluidically connected to each other

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentEP3025947B1Frame for bicycle and electric bicycle having the same
Publication Date: 2018.06.27 SAMSUNG SDI CO LTD
  • EP3025947B1 patent drawingFigure 1
  • EP3025947B1 patent drawingFigure 2
  • EP3025947B1 patent drawingFigure 3

AI summary

A frame for a bicycle with a plurality of frame units coupled to each other, at least one of the plurality of frame units includes a hollow chamber, and a first partition wall that partitions the hollow chamber into a first chamber unit and a second chamber unit, wherein the first chamber unit includes an opening in a first side of the first chamber unit and an accommodation space to accommodate a battery pack, and wherein the second chamber unit includes a plurality of holes through a first side of the second chamber unit, an interior of the second chamber unit and an exterior of the frame for the bicycle being in fluid communication through the plurality of holes.