cfl teardown

CFL

CFL TeardownCompact Fluorescent LampFulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

Safety warning labels and product informationFulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

Vent for circuit board insideDiscoloration from excess heatFulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

When system is powered on current excites the Mercury liquid changing it into a Mercury vapor and mixing it with argon gas to produce white light.Fulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

http://www.doublexscience.org/how-fluorescent-lights-work-quantum-mechanics-in-the-home/

Fulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

Here is a sequence of the CFL turning on as voltage is increased.


A video of the bulb power on cycle.

COPPER SIDE OF BOARD

WIRES INTO MAIN TERMINALS OF LIGHT


We remove the cover to show the control circuitry circuit board.

BASEBALLAST HOUSINGBALLASTLIGHT- CONTAINS ARGON GAS AND MERCURY VAPOR

PHOSPHOR COATINGFulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

Lots of circuitry packed inside

DRIVER COIL A.KA. DRIVER TRANSFORMERTRANSFORMERVOLTAGE FED HALF BRIDGEBI POLAR POWER SWITCHING TRANSISTORThe driver transformer saturates at a defined current level so that the lamp current is controlled in an indirect way.Fulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

TYPICAL CFL CONTROL SCHEMATIC DRAWING Fulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122

http://www.nxp.com/documents/application_note/AN00048.pdf

Interesting to Compare the CFL to an Incandescent light bulb and schematicFulton-Montgomery Community College TEPP Technological Education Pathways Partnership NSF DUE 1003122


http://www.designrecycleinc.com/led%20comp%20chart.html




cfl teardown

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