Emergency led light circuit diagram explain in Hindi
Emergency led light circuit diagram explain in Hindi
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It works like the general emergency light; it fixtures are used to automatically provide lighting in the event of a power outage. This emergency LED Bulb Circuit do not uses the relay to ON-OFF the lamp. But use the transistor, it acts as the switch ON-OFF instead. Working began from AC power is fed into the circuit. The Capacitor C1 will reduce the AC voltage 220V to lower volts. The AC low voltage will be rectified by Bridge Rectifier. Then DC voltage will flow to Diode D1 and D2 to the battery. The charger current of circuit will set at 100 mA When plugged into the circuit, the LEDs are not lit. Because the base lead of transistor Q1 get Reverse Bias has higher voltage than the emitter leads. The transistor will “OFF” own conduct. But when the power outage at the base leg voltage is reduced resistor R3 full down pull current makes transistor “ON” have current flow from the battery. Makes LED glow up. The current from battery will do not feedback to the Charging Section Because there is diode D1 block the current by connected the reverse bias between the battery and Charging Circuit.
Пікірлер: 22
The name of the register is for strongest (Q1)
Good one, keep going... Very informative video ❤️❤️
@emteche3d
Жыл бұрын
Thank you
Bhai ap map tu sahe sy bana hain kuch smjh he nhi araha hai or jo jo ap ny chezen lagai hain us pr ap nam or veliyo tu likhen .or map pr ap k camera ki light arahe hai sahe sy nazar he nhi araha hai light ki shdo ki waja sy
Resistence value plz
Sir can we use 6volt battery instead of 3.7 volt battery
@jaykoshal9331
Жыл бұрын
No, It is designed only 3v battery
@emteche3d
Жыл бұрын
Correct
@priyanshumishra8171
Жыл бұрын
@@emteche3d you are not using step down transformer . How can you just give 220v supply to the diode , it will simply start melting
Good
@emteche3d
Жыл бұрын
Thank you 💖
Resistance value R1, R2, R3
@jaykoshal9331
Жыл бұрын
R1- 1Mohm R2- 470ohm R3- 1k ohm
@emteche3d
Жыл бұрын
Same
battery charge bhi Hota rahega.and bd 140 transistor ka emmiter, collector, base clear karein plz
@emteche3d
7 ай бұрын
Okay
@sharadverma8891
7 ай бұрын
working first class. I give 5 star rating. kindly provide your mobile number plz
@sharadverma8891
7 ай бұрын
@@emteche3d working first class. I give 5 star rating. kindly provide your mobile number plz
Please, stop your channel name flashing
@emteche3d
Жыл бұрын
Why???
কোন ছাড় এসি ডিসি সার্কিট এর
@emteche3d
9 ай бұрын
Hindi ya English me lkhiye