Homemade Air conditioner (a/c)

Hiii

I'm back with air conditioning project.

This is a simple Homemade, portable, 12V DC air conditioning system.

So guys you can make one using the following steps.

Step 1: Parts required

Homemade Air conditioner (a/c)
Homemade Air conditioner (a/c)
Homemade Air conditioner (a/c)
  • Plywood
  • Old radiator fan
  • Old windshield washer pump
  • 12V 4A power supply (you can use a computer SMPS also)
  • Copper tube (5 mm diameter)
  • Tube connectors
  • Electrical components ( detailed in step 3 & 4)
  • Soldering iron
  • Driller

    Step 2: Plywood preparation

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)

    Cut the plywood in required length.

    Length will depend upon the radiator fan.

    After cutting put holes for attaching copper tubes.

    Make holes for switch & LED too.

    Cut copper tubes also.

    Step 3: Make circuit For pump

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)

    Circuit 1

    Why i used a circuit for pump ?

    It is not required run the pump continuously. So i made a repeating timer circuit.

    I made it for 1 min on & 1 min off . Refer this to get more idea.Repeat-Timer-Circuit.

    Give connections as per the circuit diagram given.

    Step 4: Make Speed control circuit for fan

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)

    Circuit 2

    Speed controlling is necessary for a fan, i made a simple pulse width modulator for speed controlling.

    Components needed

    IC NE555

    Diode 1N5815

    VR 100k

    MOSFET IRF 530

    Capacitors 10nf, 0.1nf, 470mfd

    Give connections as per the circuit diagram given.

    Step 5: Assembling plywood & parts

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Show All 7 Items

    Make a plywood box & attach switches, LED & speed controller.

    Step 6: Fixing Fan & Giving Connections

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Show All 8 Items

    According to connection layout give connection to fan, pump, circuit 1 & circuit 2.

    Step 7: Fixing copper tubes

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)

    Now fix the copper tubes in previously drilled holes. Connect each copper tube using hose pipe from pump & finally to the collection tank.

    Step 8: RUN A/C

    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)
    Homemade Air conditioner (a/c)

    Make sure all the connections are correct, Now pour a bottle of cold water to the collecting tank & turn on the pump & fan.

    WooHooo your A/c Ready...

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