Battery Circuit Board Heat Path Through Housing Protrusion

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Electrochemical apparatuses face performance degradation due to heat generated by electronic components on circuit boards, which affects their efficiency and reliability.

Innovation Solution

The design incorporates a heat dissipating structure with a heat conducting portion connected to a protrusion and a fixing member, which is linked to a heat dissipating portion outside the apparatus, enhancing heat dissipation through the housing and protrusion, and optionally includes elastic members for improved heat transfer and protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If electronic components are added to the circuit board for functionality, then the device gains operational capabilities, but heat is generated that affects performance

Engineering Contradiction:
Improveoperational capabilitiesVSAvoidheat generation
Core Design Contradiction:
Adaptability or versatilityVSTemperature

Solution Approach 1:

The patent extracts the heat dissipation function from the main housing structure by adding a dedicated protrusion extending from the side wall. This protrusion serves as a separate heat dissipation pathway that extracts heat away from the electronic components without interfering with the primary enclosure function, thereby resolving the contradiction between maintaining operational capabilities and managing heat generation.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces a new spatial dimension for heat dissipation by extending the protrusion outward from the side wall in a direction perpendicular to the main housing faces. This dimensional extension creates an additional heat dissipation surface area and pathway, allowing heat to be dissipated in another dimension rather than being constrained within the original housing volume, thus managing heat while preserving device functionality.

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

2Temperature

If heat dissipation structures are added to the housing, then heat dissipation efficiency is improved, but the device complexity increases

Engineering Contradiction:
Improveheat dissipation efficiencyVSAvoidstructural complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The patent merges the heat dissipation function with the existing housing structure by integrating the protrusion as an extension of the side wall. Rather than adding a completely separate heat dissipation component, the protrusion is formed as part of the housing itself, combining structural support and heat dissipation functions into a single integrated element, thereby improving heat dissipation without proportionally increasing device complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The protrusion serves multiple functions simultaneously: it provides structural support as an extension of the housing wall, acts as a heat dissipation pathway conductively connected to electronic components, and creates additional surface area for heat radiation. This multi-functionality allows the same structural element to address heat dissipation needs without requiring separate dedicated components, thus improving heat dissipation efficiency while minimizing increases in device complexity.

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 configuration effectively dissipates heat from electronic components, improving the apparatus's performance and reducing the risk of temperature-related issues, while also providing insulation and cushioning to protect components.

Implementation Method 1

the heat conducting portion is connected to the protrusion... the heat conducting portion is partly located between the protrusion and the fixing member... at least part of heat of the electronic component can be dissipated via the protrusion, the fixing member, and the heat dissipating portion

Methodology Applied
Scientific EffectHeat conduction: Conduction (thermal)

Implementation Method 2

The first elastic member can provide the function of transferring heat, helping to improve the heat transfer efficiency between the heat conducting portion and the fixing member

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentEP4394997A1Electrochemical apparatus and electric device
Publication Date: 2024.07.03 XIAMEN AMPACK TECH LTD
  • EP4394997A1 patent drawingFigure 1
  • EP4394997A1 patent drawingFigure 2
  • EP4394997A1 patent drawingFigure 3

AI summary

An electrochemical apparatus includes a first housing, a second housing, a cell assembly, a first circuit board, a heat dissipating portion, a protrusion, and a fixing member. The first housing and the second housing are connected to form an accommodation space. The cell assembly, the first circuit board, and the fixing member are disposed in the accommodation space, and the cell assembly is connected to the first circuit board. The first circuit board includes an electronic component, the electronic component includes a heat conducting portion, and the heat conducting portion is connected to the protrusion. The heat dissipating portion is disposed outside the accommodation space and connected to the first housing, and the protrusion is connected to the heat dissipating portion. The fixing member is fixed on the first housing, and the heat conducting portion is partly located between the protrusion and the fixing member.