automatic water pump project.pptx
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This document presents a project report on an automatic water pump switch circuit using a 555 timer IC. The circuit uses three wires submerged in a water tank to detect different water levels. When the water level drops below the bottom wire, the 555 timer output switches on a transistor to energize a relay and turn on the water pump. When the water level rises above the top wire, it resets the 555 timer to turn off the pump. The circuit aims to automatically maintain a constant water level and save water and electricity versus a manually operated pump.
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automatic water pump project.pptx
- 1. Submitted by:- Ujjwal Kumar (19104147012) Ritesh Kumar (19104147012) Suman Saurav(20104147902) UNDER THE GUIDANCE OF:- Prof. :- Alok Kumar-1 Prof. :-IftekharAlam DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING Project progress report presentation (7 Semester)
- 2. CONTENT ⚫Description ⚫Equipmentrequired ⚫Working principle ⚫Circuitdesign ⚫Pros and Cons ⚫Conclusion ⚫Reference
- 3. DESCRIPTION In this electronics project, I haveexplained how to make an automatic water pump switch using the 555 timer IC. The pumpwill automatically ON and OFF according to thewater level in the tank. The pumpwill automatically turn on if thewater level in the tank decrease (cross the green wire). And the Pump will stopwhen thewater level touch the red wire.
- 4. EQUIPMENT REQUIRED 1. 555 Timer IC (1no) 2. BC547 NPN Transistor (1no) 3. 1k 0.25- watt Resistor (R5, R7) (2no) 4. 22k 0.25-watt Resistors (R1,R2) (2no.) 5. 180k 0.25-watt Resistor (R6) (1no) 6. 1M 0.25-watt Resistors (R3, R4) (2no) 7. LED 1.5v %-mm (1no) 8. 1N4007 Diode (D6) (1no) 9. 100nF (104) capacitor (C40 (1no) 10.12v SPDT Relay (1no) 11. Connector & IC base (4pin) 12.Zero PCB or Card board
- 5. Working Principle • We know the property of 555 timer IC, i.e. its output goes HIGH when voltage at the second pin(trigger pin) is less than 1/3 V. • Also we can reset back the IC byapplying a LOW voltage at the 4th pin (Reset pin). • In this project 3 wires are dipped in water tank. Let us define two water levelsBottom (L) level and Top (H) level. One of thewire or probe is from Vcc, which can becalled as middle level (M). • When water level goes down, the 2nd pin gets disconnected(untouched) from water i.e. voltage at the trigger pin becomes less than Vcc. Then theoutputof 555 becomes high.
- 6. • The output of 555 is fed toa SL 100 transistor, it energizes the relay coil and the water pumpset is turned ON. • While the water level rises, the top level probe is covered bywaterand the transistor becomes ON. Its collectorvoltage goes toVce(sat) =0.2V. • The low voltage at the 4th pin resets the IC. So the output of 555 becomes 0V. Hence the motor will turn OFF automatically. • For practical implementation, you must use a relay. Rating of relay is chosen according to the load (Motor). 32 Ampere relay is best suited fordomestic application.
- 7. Fig:- 1
- 8. Fig:-II
- 9. Pros Its saves water. Its not saveonly wateralso save power, timeand money. Itsalso helpsyou to stay stress freeabout the tank overflowing. Cons Its not provide theanyguarantee of thecircuit If anycomponent isdamaged then we need tochange thewhole circuit.
- 10. Application I. Farmiring and industrial settings to ensure a constant and reliable supply of water for various application such as irrigation, livestock. II. Automatic water pump switch are commonly used in house .
- 11. Conclusion ⚫Thus by using this simple arrangement we can save wastage of water and electricity. It is very important for us to control the use of natural source of energy. By using this circuitwe can solve ourpurposeveryeasily.