Consumer_Electronics_Detailed_Presentation.pptx

1. Consumer Electronics - Detailed
Technical Overview
Washing Machine, Refrigerator, Air
Conditioner, Microwave Oven
Principles, Construction, Diagrams,
Equations

2. Washing Machine - Types
• Top-load
• Front-load
• Semi-automatic
• Fully automatic
• Washer-dryer combo

3. Washing Machine - Principle of
Operation
• Uses mechanical action, water, and detergent
• Drum rotates to loosen dirt
• Timers or microcontrollers control wash cycles

4. Washing Machine - Construction &
Components
• Drum/Tub
• Motor & Belt Drive
• Water Inlet Valves
• Pump & Drain System
• Control Panel

5. Washing Machine - Diagram &
Design
• Illustrates drum, motor, inlet, and outlet arrangement
• (Add schematic diagram image here)

6. Washing Machine - Equations &
Physics
• Torque: T = F × r
• Spin Speed: ω = 2πN/60
• Flow Rate: Q = V/t

7. Refrigerator - Types
• Single door
• Double door
• Side-by-side
• French door
• Mini fridge

8. Refrigerator - Principle of
Operation
• Vapor-compression refrigeration cycle
• Heat absorbed at evaporator, released at condenser
• Compressor circulates refrigerant

9. Refrigerator - Construction &
Components
• Compressor
• Condenser Coils
• Evaporator Coils
• Expansion Valve
• Thermostat

10. Refrigerator - Diagram & Design
• Shows vapor compression cycle: compressor, condenser, expansion valve, evaporator
• (Add schematic diagram image here)

11. Refrigerator - Equations & Physics
• Q_L = m × h_fg
• COP = Q_L / W_input
• Ideal Gas Law: PV = nRT

12. Air Conditioner - Types
• Window AC
• Split AC
• Central AC
• Portable AC
• Inverter AC

13. Air Conditioner - Principle of
Operation
• Vapor-compression cycle
• Cools indoor air, expels heat outdoors
• Fan circulates air over evaporator

14. Air Conditioner - Construction &
Components
• Indoor Unit: Evaporator & Fan
• Outdoor Unit: Compressor & Condenser
• Refrigerant Lines
• Thermostat & Controls

15. Air Conditioner - Diagram & Design
• Split AC diagram: indoor & outdoor unit with refrigerant lines
• (Add schematic diagram image here)

16. Air Conditioner - Equations &
Physics
• Q = m × Cp × ΔT
• COP = Q_L / W_input
• Psychrometric relations for humidity

17. Microwave Oven - Types
• Solo
• Grill
• Convection

18. Microwave Oven - Principle of
Operation
• Microwaves (~2.45 GHz) from magnetron heat food
• Water molecules vibrate to generate heat

19. Microwave Oven - Construction &
Components
• Magnetron
• Waveguide
• Turntable
• Cavity
• Control System

20. Microwave Oven - Diagram &
Design
• Shows magnetron, waveguide, and cooking cavity layout
• (Add schematic diagram image here)

21. Microwave Oven - Equations &
Physics
• f = c/λ
• P = V × I
• Penetration Depth equations for microwaves