Team Mio. Solid State Thermostat for Peltier Beverage Temperature Control Team Members Kristian Liwanag Gregory Brady Adrienne Suñer Jackie Floyd Faculty.

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Presentation transcript:

Team Mio

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

Agenda Introduction Background Design Process Design Details Demos Conclusion

Introduction A cup that heats, cools and maintains beverage to user specified temperature Uses:  Thermocouple  ADC  BJT switches  Peltier  MOSIS IC

Background Double-insulated

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

Design Process

Top Level Block Diagram

Thermocouple

Top Level Block Diagram

User Interface

Top Level Block Diagram

Analog to Digital Converter

Top Level Block Diagram

MOSIS IC Design

MOSIS IC Layout

MOSIS Chip

Macro Model

Top Level Block Diagram

7-Segment Display

Top Level Block Diagram

BJT with Peltier

Top Level Block Diagram

Solid State Thermostat for Peltier Beverage Temperature Control

Set Backs Peltier Heat Sink Power Supply and Current Limits Thermal contact between beverage and thermocouple

Results

Demonstration: Heating Heating the beverage from 25⁰C to 55⁰C

Demonstration: Cooling Cooling the beverage from 25⁰C to 5⁰C

Conclusion We were able to heat We were able to cool The device maintains temperature

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

Questions? Gregory Brady (Spring Semester Team Lead / Peltier/Arduino) Kristian Liwanag (Fall Semester Team Lead / MOSIS / 555 timer) Adrienne Suñer (Treasurer / Thermocouple / ADC / Cup) Jackie Floyd (Secretary / BJT Switches / Base)