Smart Shower Yellow A Sketch Model Presentation October 4 th , 2007
Overview ■ Problem ❑ Water waste due to shower habits ■ Customer ❑ Households, Hotels, Gyms ■ Market ❑ Over $7 billion a year in bathroom remodeling
Critical Considerations ■ Pressure Regulation Automatic Shower Concept ■ Usability ❑ Automatic Detection ❑ Active User Input ? ■ Installation ❑ Retrofit vs. New Shower Homeowner’s Existing Shower
Pressure Control via Sensors ■ User Activated System ■ Automatic System
User Activated System ■ Push Button ■ Infrared Sensor Microphone in Shower ■ Sound Detection with Microphone ❑ Location neutral ❑ Shower noise vs. singing and clapping Sound Intensity of Clapping and Singing in Shower Intensity of Clapping and Singing in Shower Sound Pressure (Pa) 3.5 3.2813 Sound Pressure (Pa) 3.0625 2.8438 2.625 2.4063 2.1875 1.9688 Clapping Shower Noise Singing 1.75
Automatic System ■ Pressure Mat ■ Photodetector ❑ Light through water Photodetector in Shower Light Detection Switch Data Through Water Flow in Shower On Frequency= .02381 s^-1 No human under flow Human under flow Off 29.1581 29.3008 29.6322 29.903 29.9646 30.0552 30.2458 30.4092 30.5091 30.5864 30.8307 30.935 Time (s)
Next Steps ■ Usability vs. Ease of Installation ❑ Retrofit + User Activated ❑ New Shower + Automatic
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