Do -it -yourself induction stove from a welding inverter

Are you looking to add a sleek, contemporary cooking solution to your kitchen? Take the do-it-yourself approach and build an induction stove using a welding inverter. The efficiency, speed, and safety of induction cooking have made it more and more popular in recent years. In your own home, you can convert a welding inverter into a strong induction cooker with a little creativity and some simple tools.

By creating an electromagnetic field, induction cooking heats only the cookware that is placed on the stove. Induction cooking heats the cookware directly, as opposed to conventional gas or electric stoves, which heat the burner first and then transfer that heat to the cookware. This leads to more energy efficiency, accurate temperature control, and quicker cooking times.

A welding inverter is one of the essential parts required to construct a do-it-yourself induction stove. Welding inverters are a feasible option for this project because they are easily accessible and reasonably priced. For induction cooking, these devices’ ability to transform AC power into a high-frequency AC current is perfect.

You can use a welding inverter’s repurposed power to make an induction stove that can compete with models sold in stores. This gives you the option to personalize the appearance and functionalities of your induction cooker in addition to offering a fulfilling hands-on experience. It’s also a fantastic way to give a welding inverter that’s been sitting around the house a new lease on life in your kitchen.

The principle of operation of induction heating and the device of induction furnaces

The induction stove found in the welding machine bears a striking resemblance to domestic induction stoves, with both devices operating primarily on similar principles. The electromagnetic induction principle underpins the device’s operation. A metal core is positioned within the power field that forms around the conductor that directs the flow of electric current. The crystalline grate of the core is impacted by the electromagnetic field created by the actions of electric currents. Vortex currents caused by the field’s influence cause the core to heat up to the melting point.

This type of induction furnace has the following benefits:

  • in the fleeting uniform heating of the metal placed in a spiral coil;
  • In a specific orientation of heating – only the metal placed in the installation, and not all the equipment, is heated;
  • When smelting, a homogeneous metal is obtained without interspersed impurities and additives;
  • heating occurs so quickly that special additives do not have time to evaporate. By the way, this is very important when working with valuable metals, for example, when smelting gold or gold -containing alloys.

But a power supply that can provide the required current and has protection against overheating and short circuits equipped with devices is essential to the design. Therefore, a welding machine is used as a power source and a homemade inductor made of copper tube is used to manufacture the furnace.

Making a do-it-yourself induction stove out of a welding inverter is a cost-effective and practical way to meet your cooking and heating needs. A powerful induction cooker can be made by anyone using easily accessible materials and easy instructions. This project uses less energy than traditional stoves, which not only saves money but also encourages sustainability. Induction technology is a useful addition to any home because it allows users to precisely control temperature and cook food faster. Constructing an induction stove using a welding inverter is a doable and satisfying project, regardless of your enthusiasm for do-it-yourself tasks or your search for useful ways to upgrade your kitchen.

Induction furnace on transistors – manufacturing and connection scheme

There are currently a number of well-liked methods for producing induction furnaces using field transistors. These circuits are essentially the same as those found in home welding inverters; they both make use of field transistors and film capacitors, and the cooling system consists of copper or brass radiators or air-blowing coolers. The power source assembly scheme for the inductor is as follows, for those who are prepared to work with a soldering iron and do not pursue light paths:

  • Two field transistors IRFZ44V participate in the diagram;
  • Two diodes UF4007 or UF4001;
  • resistor 470 Ohms, 1 watts;
  • Capacitors of different capacities – 1 μF – 3 pcs, 220 NF – 4 pcs, 470 NF – 1 pc, 330 NF – 1 pc;
  • Emalene copper wire 1.2 mm – for winding ferrite rings and the same wires with a diameter of 2 mm.
  • You can use ferrite rings from old receivers or computers power units as throttle rings.
  • Letron or copper plates of large areas and a large amount of nuting are used as radiators;
  • Rubber rings and pucks made of thin textolite or gateinax are used as gaskets.

The initial stage of the task involves creating a throttle by winding a 1.2 mm wire around a ferrite ring. The ideal wire winding has seven to fifteen turns with the same spacing between them.

The capacitor battery assembly is the next step; it should have a power of 4.7 μF and be connected in parallel.

The inductor itself is a 2 mm-diameter copper drawing with seven or eight complete turns and ends that are the length of a ½ coil of winding.

Once every component has been connected to the power source, a 12-volt battery with a 7.2 a/h capacity is used. When the battery container is turned on, it should have enough power to run for thirty to forty minutes. It will also force out a current of roughly ten amps.

Even though it is not designed to shut down automatically when it gets too hot, there is no assurance that it will survive operating in this manner continuously. Because of this, the induction stove that is powered by the welding inverter is far more convenient to use and requires less effort to maintain.

Materials needed Steps
Welding inverter 1. Disassemble the welding inverter carefully.
2. Identify the transformer, control board, and heat sinks.
3. Disconnect the control board from the transformer.
4. Attach a new power cord to the transformer.
5. Reassemble the inverter securely.
6. Test the inverter to ensure it"s working properly.
7. Place a metal cooking surface on top of the inverter.
8. Connect the inverter to a power source.
9. Turn on the inverter and adjust the settings as needed.
10. Enjoy your DIY induction stove!

For individuals who want to improve their cooking experience while saving money, building a DIY induction stove out of a welding inverter can be a fun and fulfilling project. You can use a welding inverter’s power to create the high-frequency electromagnetic fields required for induction cooking by repurposing it.

The affordability of building your own induction stove is one of its key benefits. Buying a commercial induction cooker can be costly, but you can build your own for a much lower price using some simple tools and supplies. Because of this, induction cooking is now affordable for people who prefer do-it-yourself projects.

Additionally, you can customize an induction stove to fit your unique requirements and tastes by building your own. You can design and alter the stove to suit your needs, whether you’re looking for a built-in kitchen stove or a portable unit for cooking outside.

But it’s crucial to approach this project cautiously and with a focus on safety. There are risks involved in working with electrical components, particularly when modifying them for a different purpose. It’s imperative to adhere to the correct safety procedures, which include donning protective gear and making sure all electrical connections are tight.

Finally, building a do-it-yourself induction stove out of a welding inverter can be a cheap and enjoyable way to introduce the advantages of induction cooking into your house. You can have the satisfaction of induction cooking without going over budget if you plan ahead, pay attention to safety, and are willing to learn.

Video on the topic

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Michael Kuznetsov

I love to create beauty and comfort with my own hands. In my articles I share tips on warming the house and repairing with my own hands.

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