Portable Air Purifier with Nested Lighting and Airflow Integration

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Solution Overview

Problem

Portable air purifiers face challenges in providing effective air purification and lighting functions without increasing their size, ensuring ease of assembly, and maintaining airflow while integrating lighting and improved rigidity.

Innovation Solution

The design incorporates a fan module between the suction and discharge openings, with a filter and lighting portion strategically placed to ensure airflow and light distribution, using a reflector for uniform lighting and a support structure that enhances rigidity without increasing the device's size.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a lighting portion is added to the portable air purifier, then lighting function is improved, but device size increases

Engineering Contradiction:
Improvelighting functionVSAvoiddevice size
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The lighting portion is nested within the space between the discharge opening and the fan module, utilizing existing internal volume rather than adding external components. This allows the lighting function to be integrated without increasing the overall device dimensions.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The lighting portion is positioned in the vertical dimension between the discharge opening and fan module, rather than expanding horizontally or externally. This dimensional placement enables functional addition without volumetric increase.

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

2Adaptability or versatility

If a cable is added for lighting, then lighting function is improved, but air flow is interfered with

Engineering Contradiction:
Improvelighting functionVSAvoidair flow
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

A cable guide structure acts as an intermediary element that channels the cable through the housing in a manner that prevents interference with air flow paths. The guide ensures the cable is positioned away from the air passage while still providing electrical connectivity for the lighting portion.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If lighting components are added, then lighting function is improved, but structural rigidity decreases

Engineering Contradiction:
Improvelighting functionVSAvoidstructural rigidity
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The lighting portion is merged with the existing housing structure, sharing structural support elements rather than requiring separate mounting infrastructure. This integration maintains structural rigidity while accommodating the lighting function.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The housing structure serves multiple functions: it provides structural rigidity for the device and simultaneously serves as the mounting framework for the lighting portion. This multi-functionality eliminates the need for additional structural elements that would compromise rigidity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Volume of moving object

If lighting is added without a reflector, then device size is reduced, but light uniformity is poor

Engineering Contradiction:
Improvedevice sizeVSAvoidlight uniformity
Core Design Contradiction:
Volume of moving objectVSIllumination intensity

Solution Approach 1:

A reflector with a curved surface is employed to distribute light uniformly. The curved geometry of the reflector redirects light rays to achieve even illumination across the discharge opening without requiring additional space for multiple light sources or complex positioning mechanisms.

Inventive Principle:
Principle #14Spheroidality (Curvature)

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 effective air purification, improved light uniformity, and enhanced structural rigidity, enabling the portable air purifier to provide both functions efficiently without size increments.

Implementation Method 1

a reflector configured to reflect light from the light source

Methodology Applied
Scientific EffectReflection: Reflection

Implementation Method 2

a filter disposed between the suction opening and the fan module

Methodology Applied
Scientific EffectPhysical filtration: Filter (physical)

Data Source

PatentEP4012283A1Portable air purifier
Publication Date: 2022.06.15 LG ELECTRONICS INC
  • EP4012283A1 patent drawingFigure 1
  • EP4012283A1 patent drawingFigure 2
  • EP4012283A1 patent drawingFigure 3

AI summary

The present disclosure relates to a portable air purifier. The portable air purifier is characterized in that a fan module is disposed between a suction opening and a discharge opening, a filter is disposed between the suction opening and the fan module, and a lighting part is disposed between the discharge opening and the fan module. (Fig. 2)