Incubator Illumination via Light Guide Extraction
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Solution Overview
Problem
Incubators with light sources fixed to the ceiling can disturb observation, generate heat, and increase the size and weight of the device, while external light sources can lead to reduced efficiency due to reflection and shadow issues.
Innovation Solution
An incubator design featuring a transparent hood with an internal illumination light source and guiding member that directs light from the source to an emitting member on the hood, minimizing disturbance and allowing for efficient illumination without increasing the device's size or weight, and automatically turning off the light when the hood is opened.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the light source is fixed to the ceiling of the accommodating chamber, then the accommodating space can be illuminated, but the observation of the baby through the transparent hood is disturbed
Solution Approach 1:
The light source is extracted from the ceiling area and relocated to the body portion below the accommodating space. This separation removes the light source from the observation path through the transparent hood, eliminating visual disturbance while maintaining illumination functionality through optical guiding members.
2Temperature
If a heat radiator is attached to the light source, then heat can be dissipated, but the size and weight of the incubator increase
Solution Approach 1:
The heat radiator and light source are relocated from the vertical ceiling space to the horizontal body portion below the accommodating space. This dimensional relocation allows heat dissipation functionality to be maintained while avoiding addition of weight to the hood assembly, thereby preventing the need for additional opening assistance mechanisms.
3Temperature
If the light source is disposed outside the accommodating chamber, then temperature increment in the chamber can be prevented, but light reflection on the outer wall reduces efficiency
Solution Approach 1:
Optical guiding members (light guides or reflectors) are introduced as intermediary elements between the externally disposed light source and the accommodating space. These mediators efficiently transmit light from the external source through the transparent hood to illuminate the baby, maintaining high light efficiency while keeping the light source outside the temperature-controlled chamber.
4Strength
If the ceiling is made heavy to support the light source and heat radiator, then structural stability is improved, but means for helping opening becomes necessary
Solution Approach 1:
The light source and heat radiator are extracted from the ceiling assembly and relocated to the body portion. This removal reduces the weight and structural requirements of the ceiling, eliminating the need for additional opening assistance mechanisms while maintaining all necessary illumination and thermal management functions.
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 prevents observation disturbance, maintains illumination efficiency, and miniaturizes the incubator by keeping the light source and heat radiator below the transparent hood, ensuring effective and unobstructed viewing while reducing the risk of shadow and reflection.
Implementation Method 1
a guiding member, fixed to the transparent hood, and configured to guide the light from the illumination light source to the emitting member
Implementation Method 2
an emitting member, fixed to the transparent hood, and configured to emit light from the illumination light source, so as to illuminate the accommodating space
Data Source
Figure 1~2
Figure 3~4
AI summary
An incubator 1 includes: a transparent hood 3, covering an accommodating space 10 configured to accommodate a baby; an illumination light source 14, disposed so as to avoid disturbing observation of the baby through the transparent hood 3; and an emitting member 13, fixed to the transparent hood 3, and configured to emit light from the illumination light source 14, so as to illuminate the accommodating space 10.