LED fluorescent tube of protection against electric shock

The utility model relates to a LED fluorescent tube technical field, concretely relates to LED fluorescent tube of protection against electric shock, rectifier circuit, hourglass current limit circuitand LED drive circuit in including the shell and all locating the shell, detection circuitry is incl...

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Hauptverfasser: ZHU YANGHUA, CHEN WENJUN
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creator ZHU YANGHUA
CHEN WENJUN
description The utility model relates to a LED fluorescent tube technical field, concretely relates to LED fluorescent tube of protection against electric shock, rectifier circuit, hourglass current limit circuitand LED drive circuit in including the shell and all locating the shell, detection circuitry is including detection module who is used for test input end IN_L voltage and the constant -current modulewho is used for providing measuring current for the LED fluorescent tube, host system is used for triggering constant -current module, host system is used for receiving the voltage that detection module detected, switch circuit includes switch tube U2, switch module and voltage reducing module, voltage reducing module's input termination output VH, host system is used for the trigger switch module. The utility model discloses a set up constant -current module, through the host system contrast through power of invariablenes current fore -and -after input voltage size to whether judge human direct contact LED fluorescen
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subjects ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title LED fluorescent tube of protection against electric shock
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