I've designed the following schematic for my LED emergency lighting project;
I'm planning on building it soon, my knowledge in electronics is short right now (I started learning electronics by reading the book at "allaboutcircuits.com" two days ago).
I would like to know if my design is solid, correct and safe, should I add protection circuit,
change the "Relay power OFF circuit", etc;
Do you have any suggestions on how can I make it better?
If changes are needed, could you please add a schematic for the change and how it should be connected to the existing circuit? remember that I'm a beginner.
LED emergency lighting schematics:
Purged delay circuit
Corrections, changed relay symbol to SPST
Changed parts designations
Deprecated-00 Deprecated-01 Deprecated-02
The DC power supply is an old 5VDC-Output phone charger, it is going to stay connected to the mains 24/7.
It is essentially two separate circuits, one for the relay coil with power OFF delay and the other is to drive the LED's with 1.2V*4 AA battery pack.
Now the relay is connected directly to the 5VDC power supply as suggested; when the Mains power goes out, the relay will close the LED's driving circuit.
The switch S1 is when I don't need the light anymore while it is being used as a flashlight.