Ceiling Fan Power Unit Heat Exhaust and Dust Prevention
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Solution Overview
Problem
Conventional ceiling fans suffer from poor heat dissipation and dust accumulation due to their design, which leads to motor overheating and clogging, as air flows through gaps and traps dust and batting, hindering effective heat exhaust.
Innovation Solution
A ceiling fan design with a pivotally connected power unit, transmission unit, and a blade unit, featuring a rotating shaft that drives air and heat upward through an opening in the ceiling fan housing, preventing dust accumulation and enhancing heat dissipation by utilizing a wireless receiving controller to manage motor operations and airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If air flows through the gap between the first housing and the second housing to cool the motor, then heat dissipation is improved, but dust and batting are attracted and clogged in the gap, reducing effectiveness over time
Solution Approach 1:
The patent extracts the harmful function of the gap between housings by eliminating it through integral housing design. The first and second housings are formed as a single integrated structure, removing the gap that previously trapped dust and batting. This extraction of the problematic feature resolves the contradiction by maintaining heat dissipation through other means while eliminating the clogging issue.
Solution Approach 2:
The patent converts the harmful effect of air flow (which causes dust accumulation) into a beneficial effect by redirecting the air flow path. The air flow is channeled through designated pathways that do not create dust-trapping gaps, transforming the potentially harmful air movement into a useful cooling mechanism that doesn't accumulate debris.
2Strength
If the ceiling fan housing is designed as an enclosed housing, then structural integrity is improved, but heat accumulates from bottom to top and cannot be effectively exhausted
Solution Approach 1:
The patent segments the housing structure by incorporating strategic openings and ventilation pathways within the integral housing design. These segmented features (openings, air channels) are integrated into the overall housing structure, maintaining structural integrity while creating heat exhaust paths that prevent heat accumulation.
Solution Approach 2:
The patent adds vertical heat exhaust pathways that extend through the housing structure. By creating three-dimensional heat escape routes from bottom to top openings, the design maintains enclosed structural integrity while providing dimensional pathways for heat to escape, preventing heat accumulation within the housing.
3Ease of manufacture
If the ceiling fan housing has gaps between components for assembly simplicity, then ease of manufacture is improved, but batting and dust are trapped and clogged, affecting performance
Solution Approach 1:
The patent merges the first housing and second housing into a single integrated housing structure. This combining eliminates the gaps between separate housing components that would trap dust and batting, while maintaining ease of manufacture through integral forming processes. The merged design resolves the contradiction by removing the problematic interface between housing parts.
Solution Approach 2:
The integral housing design serves multiple functions simultaneously: it provides structural support, defines air flow pathways, and eliminates dust-trapping gaps. This multi-functional design achieves both ease of manufacture (as a single piece) and operational efficiency (by preventing clogging), resolving the contradiction between manufacturing simplicity and performance.
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 design effectively exhausts heat and prevents dust accumulation, improving the ceiling fan's operational efficiency and longevity by ensuring better airflow and heat management.
Implementation Method 1
the rotation of the blade unit will actuate air and heat at the rear of and around the ceiling fan housing to blow toward the front of the blade unit along the periphery of the ceiling fan housing
Implementation Method 2
heat of the power unit will accompany air to blow from bottom to top and then will be exhausted through the opening of the ceiling fan housing
Data Source
AI summary
A ceiling fan adaptable to cyclic motion includes a power unit pivotally connected with a support unit via a transmission unit. The power unit is fixedly provided with a ceiling fan housing, which has a topside and a bottom side respectively provided with an opening and a through hole, the through hole corresponding to a rotating shaft of the power unit. When the ceiling fan is operated, the power unit will pivotally turn along the support unit and drive the blade unit to rotate and actuate the air around to blow toward the front of the blade unit along the periphery of the ceiling fan housing. By so designing, the interior of the ceiling fan is not easy to accumulate batting and dust, and heat of the power unit can be exhausted through the opening at the topside of the ceiling fan housing.