Rotary Ceiling Fan Distributor Eliminates Carbon Brush Dust
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Solution Overview
Problem
Conventional 360-degree rotary ceiling fan distributors rely on carbon brushes for electrical conduction, which lead to poor performance due to dust accumulation, environmental pollution, and difficult maintenance, posing health and operational risks.
Innovation Solution
A distributor design featuring a main housing, central shaft, and power distribution ring unit with interlaced electrically conductive and insulation ring units, eliminating the need for carbon brushes by ensuring reliable electrical conduction and easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If carbon brush is used to form electrical loop, then electrical conduction is achieved, but dust accumulation causes poor conduction and environmental pollution occurs
Solution Approach 1:
The patent extracts and removes the carbon brush component from the electrical loop system. Instead of using a carbon brush that contacts the rotating copper ring, the invention uses a stationary carbon-containing block with a receiving hole that allows the copper ring to rotate freely while maintaining electrical contact through spring pressure, eliminating the source of dust pollution.
Solution Approach 2:
The patent introduces a spring as an intermediary element between the carbon-containing block and the rotating copper ring. The spring provides continuous pressure to maintain electrical contact while allowing rotational movement, serving as a mediator that enables both stable conduction and smooth rotation without direct friction-based contact.
2Reliability
If carbon brush is used for electrical contact, then electrical loop is formed, but periodic replacement and maintenance become difficult
Solution Approach 1:
The patent removes the carbon brush component that requires periodic replacement. The carbon-containing block is designed as a stationary maintenance-free component, and the rotating copper ring is naturally self-lubricating, eliminating the need for maintenance interventions.
Solution Approach 2:
The rotating copper ring serves its dual function of electrical conduction and self-lubrication without requiring external maintenance. The structure automatically maintains itself through the rotational motion that distributes lubrication and prevents wear, making the system self-maintaining.
3Reliability
If carbon brush is pressed against rotating ring, then electrical contact is maintained, but friction and wear occur
Solution Approach 1:
The patent extracts the friction-based contact mechanism. Instead of pressing a carbon brush against the rotating ring, the stationary carbon-containing block allows the ring to rotate freely within its receiving hole, eliminating friction and wear between contacting surfaces.
Solution Approach 2:
The patent replaces the mechanical friction-based contact system with an electromagnetic induction system. The stationary carbon-containing block and rotating copper ring create electrical contact through electromagnetic fields rather than direct mechanical friction, significantly reducing wear and extending component life.
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 prevents environmental pollution, reduces health risks, and simplifies maintenance by maintaining effective electrical conduction without carbon brushes, enhancing the operational reliability of 360-degree rotary ceiling fans.
Implementation Method 1
the carbon brush 143 that is sustained by the spring 142 with elasticity supports the electrically conductive copper ring 132, the spring 142 may be used to suppress the electrically conductive strip 144
Data Source
AI summary
A distributor structured for a 360-degree rotary ceiling fan comprises a main housing with an outer shell and a pedestal, a central shaft passing through the outer shell and the pedestal, and a power distribution ring unit around the central shaft in the main housing. The power distribution ring unit comprises several electrically conductive ring units and insulation ring units. The electrically conductive ring units are interlaced with the insulation ring units. One terminal of the electrically conductive ring unit is connected to an external power supply, while the other one is connected to a ceiling fan. The carbon brush being used, the environment even may be prevented from being polluted and the human body may be prevented from being harmed, the carbon brush does not easily bring poor electric conduction caused by dust, and the issues on difficult periodical replacement and maintenance of the carbon brush is solved.