Portable LED Lighting System Presentation
Portable LED LightingSystemSenior Design Fall 2014Department of Electrical and Computer EngineeringWashkewicz College of EngineeringCleveland State UniversityWashkewicz College of Engineering Cleveland State University
TEAM MEMBERS Greg RobertsSteve VannuyenKevin VizkeletyNick ZallarWashkewicz College of Engineering Cleveland State University
STATEMENT OF NEED Sometimes a simple flashlight is not enough. Disaster situations Construction sites Any medical teamooosmall emergency response teamfield hospitalpermanent hospitalWashkewicz College of Engineering Cleveland State University
EXECUTIVE SUMMARY Off-Grid Lighting: Battery operated Solar rechargeable LED array Two DC-DC converters Dimming functionWashkewicz College of Engineering Cleveland State University
ADVANTAGES Two key advantages over conventionalforms of portable lighting1. HIGH LIGHT OUTPUT2. NO GENERATOR REQUIREDWashkewicz College of Engineering Cleveland State University
DESIGN OBJECTIVEWashkewicz College of Engineering Cleveland State University
HIGH POWERED Indoor and Outdoor LightingEmergency Power Loss4000-5000 lumensHigh System VoltageWashkewicz College of Engineering Cleveland State University
VERSATILE Fully PortableZero Energy CostSelf SufficientEasy InstallationDimmableWashkewicz College of Engineering Cleveland State University
ROBUST Highly Dependable LED Technology LEDs Not Susceptible to PrematureBurnout Fully Rechargeable Batteries withHigh Cycle DurabilityWashkewicz College of Engineering Cleveland State University
SYSTEM BLOCK DIAGRAMWashkewicz College of Engineering Cleveland State University
BOOST CONVERTERREQUIREMENTS 12V Battery Input Power Outputs 45 Watts 500 milliamps 115 Volts Supports DimmingWashkewicz College of Engineering Cleveland State University
BOOST CONVERTERWashkewicz College of Engineering Cleveland State University
BOOST CONVERTERKEY SPECIFICATIONS Duty Cycle High Boost Ratio High Duty Cycle Switching Frequency Losses and Efficiency Inductor Size Continuous Conduction High Input CurrentWashkewicz College of Engineering Cleveland State University
BOOST CONVERTERSIMULATION RESULTSWashkewicz College of Engineering Cleveland State University
BATTERY CHARGERREQUIREMENTS Support SLA Battery Chemistry 13.6 Volt Float Voltage 2.1 Ampere Max Charge Current Accept Solar Cell Input Varying Voltage Undervoltage Shutdown Maximum Power Point TrackingWashkewicz College of Engineering Cleveland State University
PRELIMINARY CHARGERDESIGNBased on Linear TechnologyLT3652 Controller Programmable Float Voltage Programmable 2 Amps Max Auto-termination Undervoltage Shutdown Maximum Power Point Tracking Can Be Used In Parallel For 2 AmpsWashkewicz College of Engineering Cleveland State University
PRELIMINARY CHARGERDESIGNWashkewicz College of Engineering Cleveland State University
PROJECT TIMETABLEWashkewicz College of Engineering Cleveland State University
PROJECT TIMETABLEWashkewicz College of Engineering Cleveland State University
BUDGET Preliminary Circuit Design 215 Cost Includes: Solar Cell Battery Circuit Components Cost Does NOT Include LED ArrayWashkewicz College of Engineering Cleveland State University
SUMMARY Portable LED Lighting System Battery Operated Solar Rechargeable Currently Simulating PreliminaryCircuit Designs Under 215Washkewicz College of Engineering Cleveland State University
QUESTIONS?Washkewicz College of Engineering Cleveland State University
Portable LED Lighting System Senior Design Fall 2014 . Solar rechargeable LED array Two DC-DC converters Dimming function . Circuit Components Cost Does NOT Include LED Array . SUMMARY Washkewicz College of Engineering Cleveland State University Portable LED Lighting System
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A. Drive Bays M. Memory Fault LED B. UID Button N. UID Button C. Optical Disk Drive O. Module Power LED D. System Power LED P. SAFE TO PULL LED E. System Status LED Q. PRIMARY LED F. System FT LED R. IO Module Fault LED G. UID LED S. Fan Fault LED H. USB Connector T. PSU Fault LED I. Pull-out Tab U. DC Power Fault LED J. Power Button V .
LIGHTING ( DEFINED ) OPEN AREA (ANTI-PANIC) LIGHTING ( UNDEFINED ) HIGH RISK TASK LIGHTING Emergency lighting standards tree. Escape route lighting. 1.Escape Route Lighting The emergency lighting on a route forming part of the means of escape from a point in a building to final exit. 2.Open Area (Anti-panic) Lighting The part of emergency .
Small Lighting controls 20 80/22 21 Small Lighting-only 20 80/22 18 Large Lighting controls 10 80/31 10 Large Lighting-only 10 80/31 7 2013-2014 Small Lighting controls 40 80/16 42 Small Lighting-only 20 80/22 21 Large Lighting controls 30 80/18 33 Large Lighting-only 10 80/31 10 Total 160 80/15 162
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others are just rough paths. Details are given in a document called the Hazard Directory. 1.3 Signals Most running lines have signals to control the trains. Generally, signals are operated from a signal box and have an identifying number displayed on them. Signals are usually attached to posts alongside the track but can also be found on overhead gantries or on the ground. Modern signals tend .
