Dustproof Panel with Foam Filter and Fastener
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Solution Overview
Problem
Conventional dustproof panels for image display apparatuses, such as CRTs and liquid crystal displays, are cumbersome and impair visibility due to polarized light, and require multiple components for installation, making them difficult to attach and detach, especially in environments where dust protection is not consistently needed.
Innovation Solution
A dustproof panel with a transparent dustproof plate and a frame-shaped foam filter with pores finer than dust particles, attached via a simple surface fastener system that allows easy attachment and detachment, minimizing components and preventing dust adherence without obstructing visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a conventional dustproof panel with dustproof plate and gasket is used, then dust protection is achieved, but visibility is impaired due to polarized light and device complexity increases
Solution Approach 1:
The patent uses a foam body with shrinking properties containing pores finer than dust particles as the dustproof filter. This porous structure allows the panel to trap dust particles while maintaining light transmission, resolving the contradiction between dust protection and visibility. The foam body's fine pores physically block dust while being transparent to light waves.
Solution Approach 2:
The dustproof panel combines a transparent plate (acrylic resin or other transparent material) with a foam body filter material to create a composite structure. This composite material approach allows the panel to simultaneously achieve dust filtration and optical transparency, eliminating the visibility impairment caused by conventional solid dustproof plates.
2Object-affected harmful factors
If a conventional dustproof panel with multiple components is used, then dust protection is achieved, but device complexity increases and ease of operation deteriorates
Solution Approach 1:
The patent merges the dustproof plate, gasket, and fastening components into an integrated dustproof panel assembly. The foam body is attached to the rear surface of the transparent plate, forming a unified structure that can be attached and detached as a single unit. This integration eliminates the need for separate assembly steps and reduces the number of individual components, making operation easier while maintaining dust protection functionality.
Solution Approach 2:
The dustproof panel is designed as a separable module that can be easily attached to and removed from the frame member. This segmentation allows the dustproof panel to be independently installed and removed without disassembling the entire image display apparatus, significantly improving ease of operation compared to conventional integrated designs.
3Object-affected harmful factors
If a conventional dustproof panel with multiple components is used, then dust protection is achieved, but device complexity increases
Solution Approach 1:
The patent combines multiple functional components (dustproof plate, gasket, and fastening elements) into a single integrated dustproof panel assembly. This merging reduces the total number of constituent components from multiple separate parts to one unified module, simplifying the overall device structure while maintaining effective dust protection through the foam body filter and transparent plate combination.
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 enables easy and efficient attachment and detachment of the dustproof panel, effectively preventing dust from adhering to the screen while maintaining visibility, and can be easily removed when not needed, thus addressing the visibility and complexity issues of conventional systems.
Implementation Method 1
a frame-shaped dustproof filter formed by attaching a foam body having shrinking properties and containing pores finer than dust particles
Implementation Method 2
pores finer than dust particles
Implementation Method 3
whose portion opposing the screen has transparent properties
Implementation Method 4
an attachment/detachment body having a first constituent element attached to the rear surface of the dustproof plate
Data Source
AI summary
The dustproof panel includes: (a) a dustproof plate, which has a size covering a screen and extending to a frame member, and whose portion opposing the screen has transparent properties; (b) a frame-shaped dustproof filter formed by attaching a foam body having shrinking properties and containing pores finer than dust particles to a rear surface of the dustproof plate, the attachment being made without gaps therebetween in a frame shape along the edge of the dustproof plate, and the foam body abutting against the frame member; and (c) an attachment/detachment body having a first constituent element attached to the rear surface of the dustproof plate along an inner circumference of the frame-shaped dustproof filter and a second constituent element attached to a front surface of the frame member so as to oppose the first constituent element, the first constituent element and the second constituent element being mutually attachable and detachable.