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Published byNeal Cannon Modified over 9 years ago
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Team Mio
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Solid State Thermostat for Peltier Beverage Temperature Control Team Members Kristian Liwanag Gregory Brady Adrienne Suñer Jackie Floyd Faculty Advisor Dr. Peter Osterberg Industry Representative Steve Westdal, Insitu, Inc. Client Sarah Anderson, Owner, Anna Bananas Cafe
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Agenda Introduction Background Design Process Design Details Demos Conclusion
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Introduction A cup that heats, cools and maintains beverage to user specified temperature Uses: Thermocouple ADC BJT switches Peltier MOSIS IC
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Background Double-insulated
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Hysteresis 25°C 55°C 5°C 54.5°C 55.5°C 4.5°C 5.5°C Heat Off Heat Cool Off Heat Off Cool
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Design Process
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Top Level Block Diagram
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Thermocouple
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Top Level Block Diagram
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User Interface
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Top Level Block Diagram
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Analog to Digital Converter
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Top Level Block Diagram
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MOSIS IC Design
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MOSIS IC Layout
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MOSIS Chip
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Macro Model
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Top Level Block Diagram
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7-Segment Display
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Top Level Block Diagram
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BJT with Peltier
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Top Level Block Diagram
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Solid State Thermostat for Peltier Beverage Temperature Control
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Set Backs Peltier Heat Sink Power Supply and Current Limits Thermal contact between beverage and thermocouple
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Results
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Demonstration: Heating Heating the beverage from 25⁰C to 55⁰C
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Demonstration: Cooling Cooling the beverage from 25⁰C to 5⁰C
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Conclusion We were able to heat We were able to cool The device maintains temperature
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Acknowledgements Dr. Osterberg – Faculty Advisor Steve Westdal – Industry Representative Sarah Anderson – Client Dr. Nuxoll – Sr. Design Professor Dr. Lu – Provided help with EPROM, GAL chips, and ADC Dr. Hoffbeck – Provided help with Arduino and ADC Dr. Dillon – Provided helpful information for thermocouple Allen Hansen and Jacob Amos – Provided help with cup and base MOSIS Educational Program
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Questions? Gregory Brady (Spring Semester Team Lead / Peltier/Arduino) bradyg13@up.edu Kristian Liwanag (Fall Semester Team Lead / MOSIS / 555 timer) liwanag13@up.edu Adrienne Suñer (Treasurer / Thermocouple / ADC / Cup) suner13@up.edu Jackie Floyd (Secretary / BJT Switches / Base) floyd13@up.edu
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