Solar Cooler Team 7 Karim El-Najjar Hanfei Deng Kunjie Zhao.

Slides:

Advertisements

Similar presentations

Chapter 3 Ohm’s Law.

Advertisements

I R V Voltage – Energy lost by the electrons through the circuit. Current – Number of electrons moving through the circuit. Resistance – the ability of.

F. Z. Peng: Slide 1Feb. 15, 2006 How to Select and Use Power Supplies and dc/dc Converters for Your Applications Fang Z. Peng Dept. of Electrical and Computer.

Introduction to Space Systems and Spacecraft Design Space Systems Design Power Systems Design -I.

BATTERIES SPECIFICATIONS. Batteries Batteries are electrochemical cells. A chemical reaction inside the battery produces a voltage between two terminals.

DC-DC Fundamentals 1.1 An Introduction

VOLTAGE REGULATORS. Types of Voltage Regulators Zener Diode Regulators Series Transistor Regulators Low Dropout (LDO) Regulators Packaged Regulators.

Zero Suit Brian Wright Bryan Mayberry Davy Mugabo Sung Wook Yang Team 7.

Shunt Battery Charger System with Low Battery Disconnect

Project Goals And Objectives ____________________________________________________ Create a “smart”, customizable, all in one system Little to no learning.

Design Process Analysis & Evaluation Part I Example Design: Solar Candle by Prof. Bitar.

Hybrid Wind & Solar Generation Project

CHAPTER 18 Power Supplies. Objectives Describe and Analyze: Power Supply Systems Regulation Buck & Boost Regulators Flyback Regulators Off-Line Power.

Power Felt Austin Brown 11/14/13.

ENERGY SCAVENGING SYSTEM ABSTRACT On a daily basis, energy is constantly being wasted in both large and small scales. In the U.S alone, 56% of energy produced.

Charging Dock & Power Control Sustainable Energy Systems for Education P The Portable High-Power Density Energy System project (P11401), which preceded.

WILLIAM KIEWICZ-SCHLANSKER LAFAYETTE COLLEGE LiFePO4 Battery Pack Per-Cell Management System.

Engineer Training Cooler TJ8300 / TJ8500 Cooler. Engineer Training Cooler TJ8300 / TJ8500 Confidential 2 Introduction.

MUEV Phase III By: Kevin Jaris & Nathan Golick. Introduction Petroleum is a finite resource. Demand for clean energy is driving the increase in the production.

EGR 1011 Where Does Current Come From? The free electrons in a conductor need to be replaced when they move through the conducting medium (the wire). These.

Design Process Analysis & Evaluation Part II Example Design: Solar Candle by Prof. Bitar.

Compost Accelerator Team 9: Jorge Ramirez Stephano Salani Eric Zuniga Advising Professor: Dr. Kuang-Hsi Wu.

Chapter 6 Ohm’s Law, Work, Energy and Power. 16 V.

LDO or Switcher? …That is the Question Choosing between an LDO or DC/DC Converter Frank De Stasi Texas Instruments.

Packing & Contents Box Size : 40 x 26 x 10 cm (15.8 x 10.2 x 3.9 in) Weight : 3.5 Kg (7.72lb)       W Inverter*1 (110V/220V) 7. Light ouch,

Measuring Electrical Energy Energy: -the ability to do work Electrical Energy: - energy transferred to an electrical load by moving electric charges.

P14421: Next Generation Smart PV Panel Problem: Design and build a smart PV panel prototype that utilizes heated conductive ink to melt snow that has collected.

Design Solutions Sponsored by: National Science Foundation Advisors: Abdullah Eroglu, Hosni Abu-Mulaweh, Hossein Oloomi Team Members: Mitchell Eilerman,

Balloon Fest Team Volcanic Chinchillas: Simon Schoennauer and Collin Moore.

Portable Rechargeable Output Power Supply (PROPS) Final Presentation April 24, 2008.

Photovoltaic Power System Monitor Josh Stone Ryan Mann Art Barnes Austin Fisher.

Factors influencing the conversion efficiency of a PV module Vaal University of Technology Augustine Ozemoya Vaal University of Technology Augustine Ozemoya.

I Example: A 12 V battery with 2  internal resistance is connected to a 4  resistor. Calculate (a) the rate at which chemical energy is converted to.

Specific Heat Capacity. Specific Heat Capacity (kJ/kg/°C) The specific heat is the amount of heat (measured in kJ) per unit mass (measured in Kg) required.

ARISSat-1 Critical Design Review Orlando, Feb 15, 2010 Maximum Peak Power Point Tracker (MPPT) John Charais / Jerry Zdenek

HOT CAR BABY DETECTOR Group #20 Luis Pabon, Jian Gao ECE 445 Dec. 8, 2014.

Solar Mobile Charger Name: S.R.Akshay Kumar, RollNo:13L103, Dept of ECE, PSG College of Technology, Coimbatore. 1 PSG College of Technology.

JAVA COOL - DC COOLER 1. √Background The Battery Heat: 2.

Solar Patio Umbrella Final Presentation May 3 rd, 2016 Team #37 ECE 445 – Spring 2016.

Self-Sustainable Electric Golf Bag Final Presentation Group 19 Jon Kinney, Cory Edwards, Harrison Kantner 30 April 2013.

DC-DC CONVERTER G H PATEL COLLEGE OF ENGINEERING & TECHNOLOGY

What we will do today: State the function of a supply voltage (from any power source). Carry out experiments to correctly connect both voltmeters and ammeters.

Ashan Perera Senior Design Project - Electronic System for Remote Water Quality Monitoring.

Ohm’s Law and Power ELPT 1311 Basic Electrical Theory Chapter 04_Ohm’s Law Introduction to Electricity by Paynter & Boydell and Pearson Illustrations.

Portable Sport Boundary Sensors

1. How much current flows if you connect a ohm resistor to a 12

Jacob Holguin Undergraduate Research Assistant

EagleSat’s Electronic Power Subsystem

Dept. of Electrical and Computer Engineering Michigan State University

Electrical Systems Series Circuits Parallel Circuits Electrical Power.

7. Power in electric circuits

Class 3: Energy Harvesting

P08441:Thermoelectric Auto Exhaust Power Generation

DESIGN AND IMPLEMENTATION OF THERMO-ELECTRIC COOLER IN WATER DISPENSER

P14421: Smart PV Panel Bobby Jones: Team Leader Sean Kitko

ECE 445 Spring 2017 Laser Tag Droid

By: Raed Wa’el Ennab & Raja Sa’ed Anabtawi

SELF-SUSTAINABLE SOLAR STREET LIGHT CHARGING

EECS 373 Energy Harvesting David Cesiel Jakob Hoellerbauer

Inductive Charging Case

Introduction to Linear Voltage Regulators

Dr John Fletcher Thermal Management Dr John Fletcher

Chapter 17 Electrical Energy and Current

Presenter: Ujjwal Karki, PhD Candidate, PE Lab, MSU

Circuits & Voltage.

Current and Voltage.

Team P15441 Mini Air Sub-System Design Review

Solar Powered Power Bank

Arduino Based Solar Street Light

Presentation transcript:

Solar Cooler Team 7 Karim El-Najjar Hanfei Deng Kunjie Zhao

Problem Statement & Objective Heavy Cooler Below 25 Lbs. Ice melts Must cool 20 C below ambient temperature (without ice) Cooling time Cool longer than 6 hours Karim

Introduction Objective Design Spec. Below 25 Lbs. Lightweight components Must cool 20 C below ambient temperature (without ice) Thermoelectric cooling Cool longer than 6 hours Solar power Karim

Design - Heat Calculations time in hours Hanfei Energy in Joules

Design - Overall Kunjie

Design - Thermoelectric Cooling Pad Lighter and no moving parts. 30mmx30mm Require heatsink and fan to dissipate heat extracted. 2 cooling pads connecting in series, runs at 5V. Kunjie

Kunjie

Kunjie

Design - Linear Voltage Regulator LM1084 Need to output 5V to power the microcontroller and thermoelectric cooler pads. Problem: Not efficient to convert 12V to 5V. Kunjie

Design - Charge Controller bq24650 Karim

Design - Temperature Sensor R1 = 5kOhms R2= 6.3kOhms I= ~0.3mA Karim

Design - Microcontroller Hanfei

Design - 7 Segment Display Hanfei LTC-4727JR

Thermoelectric Cooling Pad Results & Verification Subsystem Requirement Verification Solar Panel 18V * 1.4A = 25.2W 17.4V * 1.3A = 22.6W Charge Controller ~12V Output 40mV / 72mA Battery 11 < V < 13V 11.5V (half charged) Voltage Regulator 4.8 < V < 5.2V 4.99V Microcontroller - 7-segment Display Temperature Sensor 2.68 < V < 3.03V 2.8 < V < 3.1V Thermoelectric Cooling Pad Karim

Conclusion & Future Work Bigger Battery Rework Voltage Regulator & Charge Controller Temperature Control Karim

Questions?