So longer the time of flow of current through it, more will be the heating of the Heating element.Mica is chosen as a cover in a heating element because: (a) It is a very good insulator and (b) It can withstand a very high temperature.Using this knob, we can adjust the temperature of the electric iron according to our need.This knob is connected to a screw which controls how hard the contact or upper metallic strip must bend to separate and break the electric connection so that Electric iron gets turned off.This means if I keep turning the screw, then the temperature required to bend this upper metallic strip also increases or you can say temperature required to break the electric connection increases.This bulb is used as an indicator for Electric iron.It is connected in parallel to the heating element. Circuit diagram of electric iron? More importantly, how does the iron go about actually doing that?It is the ‘thermostat’ inside the iron that silently tracks the temperature, and with the help of other electronics, it is able to turn the power on and off.
The pressure plate has some holes through which the studs form the base plate passes through. Wiki User. There is an asbestos sheet, which separates and thermally insulates the top plate from the heating element.The cover plate is made of thin sheet of iron. Circuit Diagram of Soldering Iron Temperature Controller. Learn more about how this works with information on the electric iron invention. A shunt resistance is provided across the pilot lamp which assists in providing a voltage drop. Different types of electric irons. 0. Why Does Everyone Float In This Sea?How to live without a heart or a brain - Lessons from a Jellyfish This means that in the presence of heat, they expand differently. (a) Under normal temperature, (b) When the iron becomes too hotGiven that the circuit remains open for some time, the temperature of the iron then drops, the strip acquires its original shape, and the current resumes flowing again.
This heat is then transferred to the base plate (the smooth, flat surface that you place against clothes while ironing) through conduction, which elegantly and precisely irons your clothes. This heat is distributed and used for various purposes. Circuit diagram of electric iron? When an electric current is passed through a coil (or any other heating element present in the iron), it gets very hot. 6 7 8. The handle is attached to the cover plate with the aid of screws. This is where the thermostat enters the picture.In the absence of a thermostat, the iron would keep drawing current and the coil would get heated to dangerous levels, which in turn could lead to nasty accidents.

There are various electrical inventions used for domestic purposes such as the electric fire, electric iron, and electric water heater that all depend on one common principle; when a current is passed through a piece of wire, the wire heats up and emits heat radiation. Most domestic clothes irons work in the temperature range of 120Back when I was learning how to iron my clothes, I was rather annoyed by the whole process. Let’s take a look at exactly how the mechanism works. In fact, roughly half of the electricity demand in the US comes through thermostatically-controlled loads.The basic function of a thermostat can be deduced from the name alone; the word is formed from two Greek words: ‘thermo’ (heat) and ‘statis’ (status quo or constant). The base plate should hold the iron pressure plate and cover plate in position. If you live in an area where hard water is used, then clogging is a major problem.This drawback is eliminated in electric iron as it uses a heating element and there are no vents in it. But frequent making and breaking of circuit damages the contact points and it may also result in interference with radio reception. We should tighten the nuts on the studs in such a way that the pressure plate and sole plate are pressed tight against each other. Well, they aren’t really the same thing. Components inside an Electric iron are: 1. In some iron the pressure plate is heavy and made of cast iron while in some other cases, it is a thin sheet of steel, about ¼ cm thick.In automatic type of electric iron, the pressure plate has a rectangular or circular hole for locating the thermostat.The heating element is present between the sole plate and pressure plate. When the temperature rises significantly, the unusual expansion causes the strip to curve and the contact between strip and contact spring opens. How an Electric-Iron works and what’s inside it? Thermostat: Thermostat in an electric-iron is a device which changes its orientation or something like this according to the temperature. It uses a bimetallic strip to operate the switch which is connected in series with the resistance (or) heating element.The bimetallic strip is a simple element which converts a temperature change into mechanical displacement. To avert this, a capacitor is connected across two contact points. The thermometer is a device that measures the temperature, whereas a thermostat tries to maintain or regulate temperature.The electric irons that we use to press the creases out of our garments contain a thermostat, which ensures that the iron doesn’t get too hot if it’s kept switched on and left unattended for a long period of time. This may result in electromagnetic interference, causing trouble with radio reception. In this case, as soon as the temperature of strip 2 rises to 200 degrees(let’s say); it bends enough to break the electric connection between strip1 and the live wire.After some time, strip 2 contracts to its original position and thus the electric connection is made again causing Electric iron to turn on. #products4steelmaking #steel #steelmaking #iron #metallurgy #technology #engineering 6 7 8. So for science, I am going open it and show you how actually does an Electric iron works. All Rights Reserved.