Filter Brush Guide Structure for Dust-Free Air Conditioner Cleaning
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Solution Overview
Problem
Existing filter cleaning devices for air conditioners suffer from reduced efficiency due to dust accumulation on brushes, which can re-contaminate filters and decrease cleaning effectiveness.
Innovation Solution
A filter cleaning device with a brush unit that moves along a filter, guided by brush guides with stepped grooves to ensure contact and separation, and a dust separation member with a spiral-shaped dust separator to effectively remove dust from the brush, followed by a suction unit for dust discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the brush operates continuously to separate dust from the filter, then cleaning coverage is improved, but dust accumulates on the brush reducing cleaning efficiency
Solution Approach 1:
The brush unit alternates between contact mode (cleaning the filter) and separation mode (allowing dust to be removed from the brush). This periodic switching prevents dust accumulation on the brush while maintaining continuous cleaning coverage, resolving the contradiction between productivity and reliability
2Productivity
If the brush is always in contact with the filter, then cleaning efficiency is maintained, but unnecessary friction occurs during non-cleaning movements
Solution Approach 1:
The brush unit dynamically changes its contact state with the filter based on operational requirements. During dust removal phases, the brush separates from the filter to eliminate unnecessary friction. During cleaning phases, it contacts the filter to maintain cleaning efficiency. This dynamic adjustment resolves the contradiction between productivity and energy loss
3Device complexity
If dust is not removed from the brush, then the structure remains simple, but re-contamination of the filter occurs
Solution Approach 1:
The system performs preliminary dust removal from the brush before the brush returns to cleaning the filter. The dust removal unit (suction device or knocking device) actively removes accumulated dust in advance, preventing re-contamination of the filter and maintaining reliability without significantly increasing structural complexity
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
Improves cleaning efficiency by preventing re-contamination of filters, reducing unnecessary friction, and ensuring effective dust removal and discharge, enhancing the durability and performance of the cleaning device.
Implementation Method 1
a first elastic member installed between each slide member and the brush body
Implementation Method 2
a second elastic member disposed between the brush body and the coupling housing
Implementation Method 3
worm gears coupled to be movable along the shaft when rotated in engagement with the rack gears
Implementation Method 4
a dust separator formed at an outside of the rotating body so as to separate the dust attached to the brush when the dust separator is rotated together with the rotating body
Implementation Method 5
a suction motor configured to generate a suction force which is transferred to the suction case
Data Source
AI summary
A filter cleaning device has an improved structure which is capable of effectively cleaning dust in a filter used in an air conditioner. The filter cleaning device includes: a filter; a brush unit movably installed at one side of the filter to separate dust from the filter; a brush movement unit configured so that the brush unit is movable along the filter; and brush guides installed at two sides of the brush unit to guide a movement of the brush unit. Each of the brush guides includes: a first guide groove formed so that the brush unit is moved to be in contact with the filter; and a second guide groove formed so that the brush unit is moved to be separated from the filter.