External Thermal Management for Image Capturing Devices

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Solution Overview

Problem

Existing image capturing devices face challenges in heat dissipation due to increased processing demands, leading to temperature rises that can damage components and restrict operation times, which hinders convenience and performance.

Innovation Solution

An external electronic device with a heat transfer unit, such as a Peltier element, and a heat dissipation unit, including a heat dissipation fin and fan, is connected to the image capturing device via an interface unit, effectively dissipating heat away from critical components and maintaining device performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If a ventilation duct is disposed inside the image capturing device to cool heat generation bodies, then heat dissipation effectiveness is improved, but device size increases

Engineering Contradiction:
Improveheat dissipation effectivenessVSAvoiddevice size
Core Design Contradiction:
TemperatureVSVolume of moving object

Solution Approach 1:

The ventilation duct and heat dissipation fan are extracted from the image capturing device and placed in a separate attachable electronic device. This allows the image capturing device to be cooled without incorporating the bulky ventilation infrastructure inside it, thus maintaining compact size while achieving effective heat dissipation when needed.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The heat dissipation system is segmented into two independent parts: the image capturing device and the attachable electronic device containing the ventilation duct and fan. This segmentation allows each component to be optimized independently - the image capturing device remains compact while the attachable device provides comprehensive cooling when connected.

Inventive Principle:
Principle #1Segmentation

2Productivity

If processing power is increased to handle complicated operations, then productivity is improved, but heat generation increases

Engineering Contradiction:
Improveprocessing capabilityVSAvoidheat generation
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The system converts the harmful heat generated by high-performance processing into a manageable byproduct by providing an external heat dissipation pathway. The attachable electronic device with its ventilation duct and fan actively removes the heat generated during high-performance operations, allowing the image capturing device to maintain high processing power without suffering from overheating limitations.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

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 solution efficiently reduces temperature increases in image capturing devices, preventing component damage and allowing for extended operation without restrictions, thus enhancing convenience and performance while maintaining a compact device size.

Implementation Method 1

An external electronic device with a heat transfer unit, such as a Peltier element

Methodology Applied
Scientific EffectPeltier effect: Peltier Effect

Implementation Method 2

a heat dissipation unit, including a heat dissipation fin and fan

Methodology Applied
Scientific EffectForced convection: Forced Convection

Data Source

PatentUS12022174B2Electronic device and electronic device system
Publication Date: 2024.06.25 CANON KK
  • US12022174B2 patent drawing
  • US12022174B2 patent drawing
  • US12022174B2 patent drawing

AI summary

An electronic device includes an interface unit including a connection portion attachable to an external device by being connected with an interface terminal disposed in the external device, a heat transfer unit, and a heat dissipation unit, wherein the heat transfer unit and the heat dissipation unit are connected with the interface unit, and are in a direction opposite the external device when the interface unit is connected with the external device.