Air Cleaning Device Forced Airflow Heat Dissipation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional air cleaning devices with illumination light sources face heat management issues, leading to inefficient operation of air cleaning means due to heat retention within the casing.
Innovation Solution
The air cleaning device incorporates air inlets and outlets with a fan to generate a forced airflow, utilizing a highly thermal-conductive light source support base and heat sink to efficiently discharge heat from both the illumination light source and air cleaning means, while employing a photocatalyst and UV LED for air purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the illumination light source and air cleaning means are housed together in a compact casing, then the device achieves multi-functionality and space efficiency, but heat accumulates within the casing causing inefficient operation of the air cleaning means
Solution Approach 1:
The housing is divided into multiple air inlets and air outlets, creating separate airflow paths for heat dissipation and air cleaning functions. The fan generates forced airflow that enters through air inlets, passes through the air cleaning means, and exits through air outlets, segmenting the thermal management and air purification processes
Solution Approach 2:
The fan acts as an intermediary device that generates forced airflow to carry heat away from the illumination light source and air cleaning means. The airflow serves as a medium that transfers heat from the internal components to the external environment through the air outlets
2Volume of stationary object
If the air cleaning means is placed adjacent to the illumination light source to save space, then the device structure is compact, but the air cleaning means cannot operate efficiently due to heat interference
Solution Approach 1:
The fan generates continuous forced airflow that continuously removes heat from the air cleaning means and illumination light source. This continuous airflow ensures that the air cleaning means operates efficiently throughout its service life by preventing heat accumulation, even in the compact adjacent arrangement
Solution Approach 2:
The system uses forced airflow (pneumatics) to manage heat and enable efficient operation. The fan creates a controlled air flow that passes through the air cleaning means, using the kinetic energy of moving air to convect heat away from the components
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 allows for efficient heat dissipation and operation of both light and air cleaning components, enhancing air cleaning efficacy and extending the lifespan of LEDs by preventing overheating, while providing a compact and effective solution for air purification.
Implementation Method 1
a fan is provided in the housing to generate a forced air flow inside and outside the housing through the air inlets/outlets and discharge heat from the illumination light source by the forced air flow to the outside of the housing
Implementation Method 2
the air cleaning device has a light source support base made from a highly thermal-conductive member with an outer surface to which the illumination light source is fixed, and an inner surface of the light source support base opposite to the illumination light source constitutes an inner wall surface of the flow path
Implementation Method 3
a heat sink member made from a highly thermal-conductive member is protruded from the inner surface of the light source support base such that the heat from the light source support base is discharged via the heat sink member to the forced air flow passing through the flow path
Implementation Method 4
the air cleaning means is a photocatalyst facing the flow path and an UV light source irradiating the photocatalyst with light including ultraviolet rays. It is particularly preferred that the UV light source is composed of an ultraviolet LED
Implementation Method 5
the air cleaning means is a photocatalyst facing the flow path and an UV light source irradiating the photocatalyst with light including ultraviolet rays
Implementation Method 6
a fan is provided in the housing to generate a forced air flow inside and outside the housing through the air inlets/outlets and discharge heat from the illumination light source by the forced air flow to the outside of the housing
Data Source
AI summary
To provide an illuminating device-cum-air cleaning device that solves a heat problem and allows efficient operation of an air cleaning means.Air inlets/outlets 3A and 3B are provided in a wall surface of a housing 10 to which an illumination light source 2 is attached. A fan 4 is provided in the housing 10 to generate a forced air flow inside and outside the housing 10 through the air inlets/outlets 3A and 3B and discharge heat from the illumination light source 2 by the forced air flow to the outside of the housing 10. In the middle of a flow path for the forced air flow a within the housing 10, a photocatalyst 50 facing the flow path and a UV light source 51 irradiating the photocatalyst 50 with light including ultraviolet rays are provided as air cleaning means 5.