Audio-Equipped Fan Integrating Speaker and Grille
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Solution Overview
Problem
Existing audio systems face challenges in providing high-quality music in areas like bathrooms due to factors such as acoustics, fan noise, moisture, and humidity, and existing solutions are either inconvenient or expensive, with issues related to battery-powered speakers, sound propagation, and interference from electronic noise.
Innovation Solution
An audio-equipped fan assembly that integrates a speaker within a fan housing, utilizing a grille design with sound-damping properties to minimize fan noise and moisture exposure, and a network-enabled Bluetooth speaker with a separate power source for constant operation, allowing for improved audio quality and reduced noise propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a speaker is placed in a bathroom area, then audio content can be provided in the bathroom, but fan noise and moisture will degrade audio quality
Solution Approach 1:
The patent combines the speaker and exhaust fan into a single integrated housing unit. The speaker is positioned within the fan housing structure, sharing the same space and power source. This merging allows the audio system to be installed in the bathroom without requiring separate mounting locations, while the fan housing provides structural protection and positioning for the speaker.
Solution Approach 2:
The patent introduces a grille as an intermediary component between the speaker and the bathroom environment. The grille allows sound to pass through while blocking moisture and reducing direct exposure to humid conditions. It also serves to diffuse and reduce fan noise by creating acoustic barriers and reflection surfaces within the housing structure.
2Ease of operation
If battery-powered speakers are used in bathrooms, then power cord issues are eliminated, but batteries require periodic replacement or recharging
Solution Approach 1:
The speaker is integrated with the exhaust fan and shares its power source. Both devices are hardwired to electrical power, eliminating the need for batteries. This combined approach allows the speaker to be permanently installed in the bathroom without power cord exposure issues, while also eliminating battery replacement time since both devices draw power from the same permanent electrical connection.
3Area of stationary object
If in-wall mounting of speakers is used, then space limitations and esthetics are improved, but wiring expense through walls is significant
Solution Approach 1:
The speaker is combined with the exhaust fan assembly, which is already required to be installed in the bathroom ceiling or wall. By integrating the speaker into the existing fan housing, the system utilizes the same mounting location and electrical wiring infrastructure. This eliminates the need for separate in-wall mounting and additional wiring through walls, reducing installation complexity and cost while maintaining the space-saving and esthetic benefits of in-wall mounting.
4Area of stationary object
If speakers are mounted in a wall shared by two rooms, then space utilization is improved, but sound propagation to adjoining rooms becomes problematic
Solution Approach 1:
The grille serves as an intermediary acoustic element that diffuses and controls sound propagation. The housing structure itself acts as a barrier, and the integration with the exhaust fan creates additional acoustic isolation. The fan housing and grille together form a complex acoustic environment that prevents direct sound transmission to adjoining rooms while still allowing the speaker to be mounted in a wall shared by two rooms.
5Ease of operation
If Bluetooth wireless technology is used, then wired connections are eliminated, but audio quality suffers in areas with electronic interference
Solution Approach 1:
The exhaust fan housing and grille structure serve as physical barriers and shields that can block or reduce electromagnetic interference from reaching the speaker. The metallic housing components can act as Faraday cage elements, providing electromagnetic shielding that protects the audio signal from interference while still allowing wireless Bluetooth connectivity to function.
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 provides high-quality audio in humid environments like bathrooms by reducing fan noise and ensuring continuous operation, while minimizing sound propagation to adjacent rooms, thus addressing the challenges of existing systems.
Implementation Method 1
utilizing a grille design with sound-damping properties to minimize fan noise
Implementation Method 2
Use of Bluetooth technology and other wireless technology can of course eliminate the need for wired connections to transmit audio signals
Data Source
AI summary
An audio equipped fan is disclosed having a housing defining an inner cavity, a motor disposed at least partially in the inner cavity of the housing and having an output shaft extending therefrom that is rotatable by the motor, a fan connected to the output shaft of the motor and rotatable therewith, a grille connected to the housing and positioned in alignment with the fan, the grille having an interior side and an exterior side and defining first openings through which air may flow while the fan is rotated and second openings through which sound may travel, a speaker connected to at least one of the housing, motor, fan and grille and aligned on the interior side of the grille with the second openings of the grille so that sound may travel through the grille, and a temporary power source connected to the speaker. Related methods are also disclosed.