Air Conditioner Filter Brush Guide for Dust Re-Contamination
Find Innovative SolutionsGenerate Solutions
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 and separation positions, creating periodic action. During the contact position, the brush cleans the filter surface. During the separation position, dust accumulates on the brush are removed. This periodic alternation resolves the contradiction by ensuring continuous cleaning coverage while periodically restoring brush effectiveness.
Solution Approach 2:
The system discards accumulated dust from the brush by separating the brush from the filter, allowing dust to be removed. The brush is then recovered and returned to the contact position for continued cleaning. This discarding and recovering process maintains cleaning efficiency while preserving continuous productivity.
2Reliability
If the brush remains in contact with the filter, then cleaning effectiveness is improved, but friction increases causing wear and energy loss
Solution Approach 1:
The brush unit periodically contacts and separates from the filter through guided movement. During contact phases, cleaning effectiveness is maintained. During separation phases, friction is eliminated. This periodic action resolves the contradiction by limiting friction exposure while preserving cleaning effectiveness during contact periods.
Solution Approach 2:
The brush unit transitions dynamically between contact and separation states rather than remaining static. The movable design allows the brush to adapt its position, contacting the filter only when cleaning is needed and separating to reduce friction. This dynamic behavior optimizes the balance between cleaning effectiveness and energy loss.
3Device complexity
If the brush unit is fixed in position, then structural simplicity is improved, but adaptability to different filter sizes is reduced
Solution Approach 1:
The brush unit is designed to be movable along the filter surface rather than fixed, allowing it to adapt to different filter sizes and shapes. The guide grooves provide structured movement paths that accommodate various dimensions while maintaining relatively simple overall structure through the use of guided rails.
Solution Approach 2:
The brush unit is segmented into movable and stationary components. The brush assembly can move independently along guide grooves, allowing adaptation to different filter configurations. This segmentation enables versatility without requiring complete redesign of the entire device structure for each filter size.
4Device complexity
If dust is not removed from the brush, then device complexity is reduced, but re-contamination of the filter occurs
Solution Approach 1:
The dust removal function is extracted as a separate, integrated feature within the brush unit. When the brush separates from the filter, dust accumulates on the brush are automatically removed through the separation action. This extraction approach prevents re-contamination while adding minimal complexity to the overall device structure.
Solution Approach 2:
The brush unit performs self-cleaning through its own movement. By separating from the filter, the brush naturally sheds accumulated dust without requiring an external complex removal mechanism. This self-service approach prevents re-contamination while maintaining device simplicity.
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 from the brush, 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
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A filter cleaning device (1) has an improved structure which is capable of effectively cleaning dust in a filter (10) used in an air conditioner. The filter cleaning device (1) includes: a filter (10); a brush unit (20) movably installed at one side of the filter to separate dust from the filter (10); a brush movement unit (30) configured so that the brush unit (20) is movable along the filter (10); and brush guides (40) installed at two sides of the brush unit (20) to guide a movement of the brush unit (20). Each of the brush guides (40) includes: a first guide groove (41) formed so that the brush unit (20) is moved to be in contact with the filter (1'); and a second guide groove (43) formed so that the brush unit (20) is moved to be separated from the filter (10).