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Indoor Security Lighting with Solar Powered LED Technology

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Conference

2012 ASEE Annual Conference & Exposition

Location

San Antonio, Texas

Publication Date

June 10, 2012

Start Date

June 10, 2012

End Date

June 13, 2012

ISSN

2153-5965

Conference Session

Projects in Alternative Energy: Wind and Solar

Tagged Division

Energy Conversion and Conservation

Page Count

12

Page Numbers

25.771.1 - 25.771.12

DOI

10.18260/1-2--21528

Permanent URL

https://peer.asee.org/21528

Download Count

115

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Paper Authors

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Faruk Yildiz Sam Houston State University

biography

Keith L. Coogler Sam Houston State University

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Keith L. Coogler is an instructor of industrial technology at Sam Houston State University. He received a B.S. in design and development and holds a M.A. in industrial education and is pursuing an Ed.D. in higher education from Texas A&M University, Commerce. His primary teaching area is construction management. Research interests include automation, electronics, alternative energy, and “green” construction.

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Abstract

Indoor Security Lighting with Solar Powered LED TechnologyIn today’s times, people have become very concerned about protecting their properties from theftand vandalism. It is well-known by insurance companies and police that satisfactory lighting is aplausible deterrent to crime. Although most any type of lighting helps reduce the risk ofbecoming a victim; correct lighting, when properly utilized, improves security of the property.Most buildings are illuminated by a night light when dark outside and the building is unoccupied.A security or night light allows the security personnel to check the building without turning otherlights on. A drawback to leaving lights on is that it results in an increased electric bill andreduces the nation’s energy conservation efforts. Another drawback is that conventional securityor night lights become non-functioning in electric outages. A viable solution to theseshortcomings would be to use a battery powered energy source to power energy efficient DC/ACLED lights.Recently, students majoring in electronics were given an opportunity to design and build anindoor security night light system for one of the lab facilities – a large metal building remotelylocated to the main campus and surrounded by residential properties. This laboratory houses alarge classroom, tool cabinets, production equipment, and training resources for woodfabrication, metal fabrication, metal casting, and plastic labs. Some portions of the lab haveinterior night security lights but the classroom sections do not. Heretofore one bank of classroomlights was left on for night visibility. Campus security requested installation of security lights forthe officers to check rooms in the lab without having to enter the building. Students tookinitiative to install energy friendly solar powered LED lighting in the classroom location. Thesystem is powered by a battery which is charged by a 175W solar panel installed on a solartracker outside of the building. This system is powered by both AC and DC power. If the chargestate of the battery is low, the system will revert to utility power to operate the LED lighting.Normally the system is powered by DC battery power allowing operation when there is poweroutage in the area. The overall cost of implementing solar security lighting during power outagesis less than using standby electric generation to power the security lights. In a second phase tothis project, students will extend this project’s capability to include the remainder of the buildingand implement energy efficient LED bulbs where applicable. This student project is supportiveof the campus-wide efforts to promote energy conservation and use of clean renewable energyresources.

Yildiz, F., & Coogler, K. L. (2012, June), Indoor Security Lighting with Solar Powered LED Technology Paper presented at 2012 ASEE Annual Conference & Exposition, San Antonio, Texas. 10.18260/1-2--21528

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