Self Contained Heated Clothing

Team 32-3 LauTeam Advisor: Dr. Lau

Team members:

Richard Fisher

Alexis Ciccarelli

Matt Tornetta

Lee Trager

Conjee Yeung

Justin Lee

Joseph Conahan

Background

Why self contained heated clothing?

Background

Negative effects from cold weather exposure

Hazards caused by temperature, winds, dampness, and cold water

Temporary solutions were not that helpful Multiple layers of clothing Chemical hand and feet warmers Reduce productivity

Background - Heat Loss

Alpine Education Guidebook Book2

Although there are outside factors acting on the body, the body itself loses heat. People turn to alternate solutions to retain body heat.

Alternate Solutions

Chemical heating: time frame safety issues non-controllable heat

Better insulation or more layers: already used same problems too bulky on occasions

Take frequent breaks: cuts down productivity not always an option

Criteria

SafeSelf containedEfficientAble to maintain a stable

temperature

Materials - Wool

Resists WrinklesResists soilingDurable Repels Moisture Retains ShapeResists Flames Wool is comfortable in all seasons

Materials – Nylon/Synthetic polymers

Is stronger yet weighs less than any other commonly used fiber.

It is elastic and resilient and responsive to heat setting.

Fibers are smooth, non-absorbent and dry quickly.

Dirt doesn’t cling to this smooth fiber nor is it weakened by chemicals and perspiration.

Extensive washing and drying in an automatic dryer can eventually cause piling.

Melts at high temperatures

Materials

Because of the durability of these fibers when incorporated in certain weaves they can be tear resistant and yet comfortable and cause little agitation.

Many other materials can be used to provide comfort for the wearer like elastic bands around the waist and at the cuffs. The suits can also contain padding or extra layering at areas of increased wear.

Insulation Material

Compared to other materials, like wool, fiberglass, polyurethane, and others, thinsulate is the best choice.

Thinsulate can control

the temperature held

within depending on the

thickness of the material.

Insulation

Ideal for trapping insulating and reflecting back the body’s heat.

It does not wear down, even after it is machine washed and/or dried.

solutions.3m.com/wps/portal/3M/en_US/ThinsulateInsulation/Insulation/Thinsulate-Products/Thinsulate-Insulation/

Insulation

When thinsulate becomes wet, it still retains it’s strength and performance.

The material absorbs less then 1% of it’s weight in water therefore retaining it’s strength.

Thermal control

RequirementsLow PowerUsable from -20° C to 25° C

Thermal Control – Human Controlled

Dallas MAX6608 – Thermal Sensor1.8V$0.59

Potentiometer0V$1.00

Thermal control – Self Monitoring

Dallas MAX6968 – LED display 5.5V but can be turned completely off when not

in use $1.04

Dallas DS87C530-QNL – Microprocessor 5V power source plus power 5V backup battery Can be used to control to keep time $18.33

Dallas MAX6608 – Thermal Sensor 1.8V $0.59

Thermal control – Placement

Power

Battery pack 25 Dollars

Solar power module

Charging Wireless charging

Electromagnetic Induction SplashPad WildCharge

Wired charging Built in plug

Future Research

Adapt many more sensors through out the jacket

Separate heating zones into many more strategic sections

Obtain stronger batteries to power more sensors and more heating coils.

Future Applications

The jacket will contain a heating and cooling system.

Heating and cooling pants will be available to accommodate the jacket.

Once the batteries are more advanced, cell phone and other chargers may be fitted into a pocket of the jacket or pants.

References

Curtis, Rick. “Outdoor Action Guide to Heat & Cold Injuries.” Random House. 1998. Feb. 16,

2007. http://www.princeton.edu/~oa/safety/heatcold.shtml

Raguso, V. “Alpine Educational Guidebook.”

http://home.eznet.net/~vraguso/Book_2/hypother.gif

“US OSHA Offers Tips to Protect Workers from Cold Weather.” Grain Elevator and Processing

Society (GEAPS). Feb, 1999. Jan. 30, 2007. http://www.geaps.com/ingrain/99/feb99_gov_affairs9.cfm

Questions?