Industrial Temperature Controller System

8/20/2019 Industrial Temperature Controller System

http://slidepdf.com/reader/full/industrial-temperature-controller-system 1/22

IndustrialTemperature

Controller



http://www.edgefxkits.com/

Introduction

Industrial TemperatureController

This practical temperature controller controls the temperatureof any device according to its requirement for any industrialapplication. It also displays the temperature on an LC displaysin the range of !""#C to $%&"#C. 't the heart of the circuit is

the microcontroller from ()"% family which controls all itsfunctions.

The *%+&% igital Thermometer and Thermostat provides ,-it temperature readings which indicate the temperature of

the device. 0ser-de1ned temperature settings are stored in anon volatile memory 223456 through ()"% seriesmicrocontroller. 6aximum and minimum temperature settingsare entered to the 6C through a set of switches which arestored in the 223456 -&7C)&.6aximum and minimum setting

are meant for allowing any hysteresis necessary.




dustrial Temperature Controller

BlockDiagram





HardwareRequirements

• Transformer• 8oltage regulator•

iodes• Capacitor• 4esistors• 6icrocontroller 9'T(,*"&• Temperature sensor 9*%+&%•

;C"7<• 4elay• Lamp• LC 9%+x&





Software Requirements

=eil compiler

2medded C





Microcontroller(AT!S"#$

It is a smaller computer

>as on-chip 4'6 456 I/5

ports...


http://slidepdf.com/reader/full/industrial-temperature-controller-system 7/22http://www.edgefxkits.com/


Internal Structure %f A Micro Controller&AT!s"#'"




Microcontroller )inDescription




Temperature Sensors

6easures temperatures from -""#C to $%&"#C in )."#Cincrements. ?ahrenheit equivalent is -+<#? to &"<#? in

).,#? increments.

Temperature is read as a ,-it value 9&-ytetransfer.

@ide power supply range 9&.<8 to "."8.

Converts temperature to digital word in less Than %second.

Thermostatic settings are user de1nale and Aon volatile.




Temperature Sensors

ata is read from/written via a &-wire serial interface 9opendrain I/5 lines.

'pplications include thermostatic controls industrialsystems consumer products thermometers or anythermal sensitive system.

It is as (-pin I3 or *5 package.




Rela* It is a electro magnetic switch

0sed to control the electrical devices

Copper core magnetic Bux plays main role here

The relays switch connections are usually laelled C56

AC and A5




Rela*

C56 D Common always connect to thisE it is the moving

part of the itch.

AC D Aormally Closed C56 is connected to this when the

relay coil is oF.

A5 D Aormally 5pen C56 is connected to this when the

relay coil is on




BC"+, Transistor

The ;C"7< transistor is an A3A 2pitaxial *ilicon Transistor.

The ;C"7< transistor is a general-purpose transistor insmall plastic packages.

It is used in general-purpose switching and ampli1cation;C(7</;C"7< series 7" 8 %)) m' A3A general-purpose

transistors.

@henever ase is high then current starts Bowing throughase and emitter and after that only current will pass fromcollector to emitter





' capacitor or condenser is a passive electronic componentconsisting of a pair of conductors separated y a dielectric.

@hen a voltage potential diFerence exists etween theconductors an electric 1eld is present in the dielectric.

This 1eld stores energy and produces a mechanical forceetween the plates.

The eFect is greatest etween wide Bat parallel narrowlyseparated conductors.

Capacitor





-.D

/eatures

@ater Clear Lens

(")nm @avelength

?orward 8oltage - %.<8

' light-emitting diode 9L2 is an electroniclight source.

L2s are used as indicator lamps here.





-CD & -iquid Cr*stal Displa*

' liquid crystal display 9LC is a thin Bat display device.

It made up of any numer of colour or monochrome pixels

arrayed in front of a light source or reBector.

2ach pixel consists of a column of liquid crystal molecules.

It suspended etween two transparent electrodes and two

polariGing 1lters the axes of polarity of which areperpendicular to each other.

6any microcontroller devices use smart LC displays tooutput visual information.

http://www.edgefxkits.com/8051-microcontroller-projects/

http://www.edgefxkits.com/8051-microcontroller-projects/





-CD & -iquid Cr*stal Displa*

ata can e placed at any location on the LC. ?or %+H& LC the addresslocations are:

?irst line () (% (& ( (7 (" (+ through (?

*econd line C) C% C& C C7 C" C+ through C?





0orking

The proJect uses a digital temperature sensor *%+&% thesurface which is capale of sensing the temperature Kdelivering digital data at its output which are connected to

the controller.

The LC displays the present temperature maximumtemperature and minimum temperature. The maximumand minimum values are entered through switchesattached to the microcontroller.

The maximum and minimum settings are stored in the223456. If the temperature goes elow the minimumvalue the heater is on as indicated y a lamp connectedthrough a relay driven y a transistor connected to the

microcontroller. If the temperature crosses the maximumvalue the heater is switched oF.





01* Do 0e 2eed TemperatureControllers3

Temperature controllers are needed in any situationrequiring a given temperature e kept stale.

@hen an oJect is required to e heated cooled or othand to remain at the target temperature 9set point.

4egardless of the changing environment around it.

There are two fundamental types of temperature controlEopen loop and closed loop control.





Applications This device is extensively used in the manufacturing sector

automoile company steel and Iron Company food processingcompany and medical sector etc.

' asic temperature controller provides control of industrial orlaoratory heating and cooling processes.

To encounter the accurate level of temperature is very crucialand it ecomes very necessary in the manufacturing process.

6onitoring and controlling of temperature helps in maintainingthe quality of the product.

http://www.edgefxkits.com/industrial-temperature-controller

http://www.edgefxkits.com/industrial-temperature-controller





Conclusion

Temperature control comes in the digital version that makesthe work of the user easy and can run the tool without any

complication. The exact numers can e seen on the devicescreen and it is very ene1cial for the 1rm to see theaccurate level of temperature availale in the room. ou caneasily uy this device from the market or can uy it onlineas well.




Documents

Industrial Temperature Controller System