Image capturing apparatus

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Solution Overview

Problem

The surface temperature of the viewing window in a heating cooker can exceed 100°C during cooking, causing radiant heat to exceed the heat resistance temperature of the image capturing device, leading to potential damage.

Innovation Solution

An image capturing apparatus with a blower unit that generates an air current to flow through a gap between the heating cooker and the image capturing unit, reducing the influence of heat on the device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the image capturing unit is disposed close to the heating cooker for effective image capture, then the image capture quality is improved, but the heat from the heating cooker exceeds the heat resistance temperature of the image capturing device

Engineering Contradiction:
Improveimage capture qualityVSAvoidimage capturing device temperature
Core Design Contradiction:
Measurement precisionVSTemperature

Solution Approach 1:

A blower unit is introduced as an intermediary component between the heating cooker and the image capturing unit. The blower unit generates air currents that flow through the gap between the heating cooker and the image capturing unit, acting as a thermal mediator to reduce radiant heat transfer while maintaining the close proximity needed for effective image capture through the viewing window.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the image capturing unit is disposed outside the door for easy access and operation, then the ease of operation is improved, but the radiant heat from the window causes the image capturing device temperature to exceed its heat resistance

Engineering Contradiction:
Improveimage capturing unit accessibilityVSAvoidradiant heat exposure
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The blower unit utilizes pneumatic principles to generate controlled air currents that flow through the gap between the heating cooker and the image capturing unit. This pneumatic system creates a protective airflow barrier that reduces radiant heat exposure to the image capturing device while allowing the unit to remain positioned outside the door for easy access and operation.

Inventive Principle:
Principle #29Pneumatics and hydraulics

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 air current effectively cools the radiant heat from the window, preventing the image capturing device's temperature from exceeding its heat resistance, thus reducing the impact of heat from the heating cooker.

Implementation Method 1

The blower unit is configured to generate an air current that flows through a gap between the heating cooker and the image capturing unit

Methodology Applied
Scientific EffectAir current flow: Convection

Implementation Method 2

radiant heat from the window (glass) may cause the temperature of an image capturing device included in the image capturing apparatus to exceed the heat resistance temperature

Methodology Applied
Scientific EffectRadiant heat: Thermal Radiation

Implementation Method 3

The air current effectively cools the radiant heat from the window, preventing the image capturing device's temperature from exceeding its heat resistance

Methodology Applied
Scientific EffectCooling: Cooling

Data Source

PatentUS12339570B2Image capturing apparatus
Publication Date: 2025.06.24 SHARP KK
  • US12339570B2 patent drawing
  • US12339570B2 patent drawing
  • US12339570B2 patent drawing

AI summary

An image capturing apparatus is attachable to a heating cooker that heats food. The image capturing apparatus includes an image capturing unit and a blower unit. The image capturing unit is configured to perform image capturing. The blower unit is supported by the heating cooker, the blower unit being freely attachable to and detachable from the heating cooker. The blower unit supports the image capturing unit and disposes the image capturing unit at a position facing the heating cooker. The blower unit is configured to generate an air current that flows through a gap between the heating cooker and the image capturing unit.