Final Year Project (Heat Sensor) - 15216 Words

Abstract This report contains an account of my final year project, which was carried out in the two and half year of the Electronic and Electrical of Engineering (EEE) diploma at Institut Teknologi dan Pengurusan Lebuh Victoria. This paper is based on the design and analysis of Heat Sensor with water pump system using cooling fan to reduce the temperature. This project was done to see the operation of heat sensor and how the water pump system and the cooling fan work. This project is divided into two parts namely software and hardware development. Also, it includes two circuits that need to be designed and developed, specifically analogue and digital part. Hence, to prove the circuit works, the simulation of the output need to be shown.†¦show more content†¦Almost any type will work. Different models from 10k-60k will work fine. Only modification in trimmer is needed. Replace the trimmer pot with suitable value. Another name for the thermistor is ‘NTC’. NTC stands for ‘Negative temperature Co-efficient’. Which means surrounding temperature decreases the resistance of this thermistor decreases. P1 is a regular Preset potentiometer and adjusts a wide range of temperature for this circuit. We use a regular type Preset but a regular Bourns trimmer potentiometer will work for a bit finer adjustment. R1 is a ‘security’ resistor just in case the trimmer pot P1 is adjusted all the way to ‘0’ ohms. At which time the thermistor would get full 12Volts and may burnt out. R3 is the feedback resistor. The op-amp is working in inverting mode. If we would not put any feedback the circuit may become oscillatory or unstable. R3 makes a negative feedback, prevents oscillation and makes operation of comparator stable. Transistor Q1 can be a 2N2222(A), 2N3904, NTE123A, ECG123A, etc. Any power transistor will equally well. It acts only as a switch for the relay so almost any type will work, as long as it can provide the current needed to activate the relay’s coil. D1, the 1N4148, acts as a spark arrestor when the contact of the relay opens and eliminates false triggering. When the relay coilShow MoreRelatedSolar Powered Automobile Automation For Heat Stroke Prevention Essay1671 Words   |  7 PagesSolar Powered Automobile Automation for Heat Stroke Prevention Navtej Swaroop Singh1,a) Ishan Sharma 2, b) Santosh Jangid3, c) 1Final Year Electronics Deptt of Electronics,BKBIET,Pilani(Raj) . 2III Year Electronics Deppt of Electronics,BKBIET,Pilani(Raj) 3Santosh Jangid,Asst Professor,Deptt of ElectronicsBKBIET Pilani(Raj) a) navtej631@gmail.com b) ishansharma2303@gmail.com c)jangid.santosh@gmail.com Abstract. Now a day’s heatstroke in vehicles is rapid problems in every part of the world.Read MoreApplication Essay for UIUC Community819 Words   |  4 Pageshelped me identify my career path. 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