How to use the hob correctly. Induction cooker: operating principle of an inverter panel. Features of an induction cooker
Induction cooker appeared on sale recently, so there is still too little useful documentation about it competent installation and handling it. In the previous article we looked at the operating principle and typical diagram of an induction cooker. Here we will focus on connection and maintenance.
Built-in installation. To ensure proper functioning of the built-in product, the kitchen module must have the appropriate characteristics:
— the surface of the kitchen top must be made of a material resistant to temperatures of approximately 100°C;
— if the hob is installed above the oven, it must be equipped with a cooling system with forced ventilation.
— depending on the model of induction hob you are installing, the dimensions of the niche in the kitchen module should be as follows:
Ventilation for the stove. To ensure proper ventilation and to avoid overheating of adjacent surfaces, the hob must be installed: at a minimum distance of 40 mm from the rear wall or from any vertical surface; between the opening under the hob and the one located below kitchen element there must be a distance of at least 20 mm.
Fastening. The product must be installed on a perfectly flat surface. Possible deformations caused by improper fastening may lead to changes in performance and performance qualities hob. The length of the adjustment screw of the fastening hooks is adjusted before installation according to the thickness of the kitchen top:
Thickness 30mm: screw length 17.5mm;
thickness 40mm: screw length 7.5mm;
Mounting order:
1. Using short, blunt screws, screw 4 centering springs into the holes located on the sides of the hob;
2. Insert the hob into the opening in the kitchen module, align and lightly press in the center until the hob fits perfectly to the surface of the kitchen top.
3. for hobs with side profiles: having inserted the hob into the niche of the kitchen module, insert 4 fastening hooks (each with its own pin) along the lower perimeter of the hob, tightening them with long sharp bolts until the glass fits tightly to the kitchen topu. It is important that the center spring screws remain accessible.
In accordance with safety regulations, after installing the product in the kitchen module, the possibility of touching electrical parts must be excluded.
All protective elements must be secured in such a way that they can only be removed using a special tool.
Electrical connection for the hob and possible built-in oven must be performed separately for safety reasons, as well as for easy removal of the oven.
The hob is equipped with a power cable designed for monophase power supply. Connect the wires in accordance with the table and the diagram below:
Before implementation electrical connection for 220V you need to check the following:
— the power outlet must be connected to grounding and comply with regulations;
— the power outlet must be rated for the maximum power consumption of the product indicated on the nameplate with technical characteristics;
— the voltage and frequency of the network current must correspond to the electrical data of the induction cooker;
— the power socket must be compatible with the plug of the product. Otherwise, replace the socket or plug; Do not use extension cords or tees.
Induction cooker control
Button INCREASE TIME to increase the timer time.
Button REDUCE TIME to reduce the timer time.
Indicator SELECTED COOKING ZONE indicates that the corresponding cooking zone has been selected and therefore it is possible to make settings for its function.
Button SELECTING A COOKING ZONE serves to select the desired cooking zone.
Indicator POWER: Shows the heating level.
Button ON/OFF(ON/OFF) is used to turn the product on and off.
Indicator ON/OFF(ON/OFF): Shows the status of the product, whether it is on or off.
Button PROGRAMMING TIMER serves to set the cooking duration. Display TIMER PROGRAMMING: Shows various programming settings.
PROGRAMMED COOKING ZONES indicators: show the cooking zones after programming has started.
Button CONTROL LOCK serves to protect the hob control from accidental changes.
Indicator CONTROLS LOCKED indicates that the controls are locked.
Buttons SELECTING THE POWER OF COOKING ZONES serve to turn on the cooking zone and regulate heating power.
Indicator TIMER indicates that the timer is on.
Switching on and operating the induction cooker
Before using the product, remove traces of adhesive using a special non-abrasive detergent. During the first hours of operation, you may notice the smell of burnt rubber, which quickly disappears.
A few seconds after connecting the hob to the power supply, a short beep sounds. Only then can you turn on the hob.
When you press the - and + buttons for a long time, the power level and timer minutes quickly change.
Turning on the hob. Turn on the hob by pressing the POWER button for about one second.
Switching on the cooking zones. Each cooking zone is turned on using a button and a power regulator, consisting of power selection buttons from 0 to 9. To turn on one of the cooking zones, press the corresponding button and adjust the desired power using the power selection buttons from 0 to 9.
In the case of programming one or more cooking zones, the display shows the countdown of the cooking zone in which cooking is closest to completion, indicating its position by the corresponding illuminated indicator. The indicators for the other programmed cooking zones flash.
Practical tips for using this type of stove
Use cookware made of material suitable for induction heating (ferromagnetic material). It is recommended to use cookware made of: cast iron, enameled steel or special steel for induction heating. When cooking on induction burners, use only steel, enameled steel or cast iron pots and pans. Dishes with a bottom made of alloys should only be used if there is a clear recommendation from the manufacturer. The alloy must contain a ferromagnetic element; its presence can be checked using a regular magnet. It is unacceptable to use glass, porcelain, copper, brass and ceramic cookware for induction burners.
It is necessary to use dishes with a flat, thick bottom that fits perfectly into the heating zone. Good dishes has an absolutely flat and as thick bottom as possible. Note that in a cold state the bottom is slightly concave; it straightens out when heated, fitting tightly to the burner and transferring the entire thermal energy. Cookware with chipped or burred bottoms can damage the glass ceramics. It is not recommended to use pots and pans that have previously been used for cooking on a gas stove. Their bottom is already deformed due to uneven distribution flame, therefore tight fit to work surface it won’t work, part of the energy will be wasted;
Use a pot with a bottom of a diameter that completely covers the cooking area for optimal use of all that is released.
heat.
Each cooking zone is equipped with a residual heat sensor. This indicator shows cooking zones that still retain dangerous heat. If the power displays show " N“, this cooking zone is still hot.
Cleaning the surface of the induction cooker
You should not wipe the surface with a dishwashing sponge, because... Traces of detergent or grease may remain on it; when the stove is turned on, they burn, which leads to discoloration of the surface. The glass ceramics around the burners can be cleaned with soapy water and a piece of soft, clean cloth.
Grease splashes, water marks and stains can be removed with cleaning products steel products or special compositions for the care of glass ceramics. Detergents should only be applied to a completely cooled panel. Upon completion of cleaning, they must be completely removed from the surface being cleaned, as they can have a corrosive effect on the glass-ceramic coating.
Avoid contact with solid particles, such as grains of sand, on the hob. They can damage the glass ceramic surface.
Limescale can be removed with a weak vinegar solution. If you use dishwashing detergent to care for the glass-ceramic surface, stains may remain on it.
Do not use stain removers or oven sprays to clean glass ceramics. Glass ceramics can be cleaned with glass cleaner.
The hotplates must always be kept dry; wet pans or splashes of salt water will have a negative effect on the glass ceramics.
You can download instructions , which details how and with what means to clean the cooking surfaces of induction cookers.
Safety rules when working with induction cookers
Check that ventilation grille has always been open. The built-in hob requires effective ventilation to cool the electronic components. It is not recommended to install an induction hob above a refrigerator built under a kitchen top (heat) or above a washing machine (vibrations). The clearance required for ventilation of electronic components will be insufficient in these cases.
It is prohibited to install induction cookers outdoors, even under a canopy, as exposure to rain and thunderstorms is extremely dangerous.
Do not touch the product with wet hands or wet feet.
The product is intended for cooking food products, can only be used by adults in accordance with the instructions given in this technical manual. Do not use the hob as a table or for cutting food.
The glass-ceramic hob is resistant to mechanical shocks, however, it can crack upon impact sharp object or a tool. In this case, immediately disconnect the product from the power supply.
You should not place wet and cold dishes on a hot burner; it is recommended to avoid cold splashes of water on the hot surface. Perhaps nothing terrible will happen the first time, but if this prohibition is systematically violated, glass ceramics may not withstand it.
Avoid touching the power cords of other household electrical appliances to hot parts of the cooktop.
Remember that the temperature of the cooking zones remains high for 30 minutes after turning them off!
Jan 6 2013
Induction cooker. Operating principle and disadvantages
Today, built-in panels with induction heating and electric stoves are becoming increasingly popular. Their advantages are quite obvious, because the main principle of data operation is kitchen stoves is safe use. An induction cooker is a type of electric cooker. We will look at the principles of its operation, advantages and disadvantages in more detail in this article.
An induction electric stove is the most modern kitchen appliance that changes stereotypes about cooking. It would seem, is it possible for food that gets on the hob during cooking not to burn?
Indeed, this stove has operational advantages that no person can underestimate. For this reason, more and more companies are including induction electric stoves in their products. Among them we can note such well-known manufacturing companies as “Hansa”, “BOSCH”, “Samsung”, “Electrolux” and others.
Working principle of an induction cooker
You can form your opinion regarding this household appliance only by familiarizing yourself with the principles of its operation. At its core, this type kitchen stoves is a transformer. Under the surface of the stove there is an induction coil through which electric current flows. When heating food, the coil will be the primary winding, and the dishes placed on the hob will be the secondary winding. For this reason, the burner itself - glass or ceramics located between the cookware and the coil - will not be subject to heating.
When an induction cooker operates, only the cookware heats up, and, consequently, the food in it. Please note that special utensils are used for cooking in this case.
In addition to the classic look, which is no different from conventional electric stoves, a glass-ceramic induction stove can be tabletop and in the form of a mortise one, which is built into the desktop.
This type of stove is used for professional cooking, for example, in restaurants, as well as for homemade food. A tabletop electric induction cooker can come in different shapes, depending on the shape of the cookware it is intended to work with. Based on this, the slabs are distinguished:
- with a flat surface;
- with a concave surface specifically for dishes with a spherical and convex bottom;
- combined surface.
Compared to other types of kitchen stoves, a tabletop induction electric stove has a fairly high cooking speed. For example, one and a half liters of water can be boiled on such a burner in about three minutes, although on an electric stove it will take fifteen minutes.
To know how to choose an induction hob, you need to find out what its advantages and disadvantages are.
First of all, its advantages should be noted. These include:
- The best efficiency among all kitchen stoves is 90%. For example, the efficiency of halogen is 60-65%, cast iron is 55%, gas is 50%.
- High heating accuracy, instant change in cooking temperature and, as a result, high heat and energy savings.
- The surface of the induction ceramic hob automatically detects the presence of cookware on the burner and automatically adjusts to the diameter of its bottom.
- Wide variety of cooking programs.
- Food that falls on the burner cannot burn, since the surface of the stove does not heat up.
- Easy to use and clean the surface.
- Elegant appearance.
We can talk about the advantages of this cooker for a long time, but what are the disadvantages of an induction cooker?
- The vortex electromagnetic field, which is necessary for the operation of the plates, affects the human body. Although it has already been proven that the magnetic field created by the induction surface is less than that of a simple home hair dryer.
- The disadvantages also include the need for cast iron, which is needed for cooking.
- When you first come into contact with such a stove, you may feel a little unusual, because all dishes will be cooked very quickly.
- The stove reacts to dishes that occupy at least 70% of the area of the appliance itself.
Video showing the working principle of an induction cooker
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Day by day, built-in household appliances, including kitchen appliances, are being improved. Nowadays it is no longer possible to surprise anyone with such a device as a modern induction cooker. An electronic control unit for the stove turns on and controls the operation of the burner in accordance with a special program. The most modern models are equipped with infrared sensors that monitor the temperature of the dishes and can reduce the heating power when the required temperature is reached.
to his appearance this kitchen appliance practically no different from simple electric stove, which has ceramic surface and touch controls. But the first impression is always deceptive, and an inverter, also known as an induction cooker, is a high-tech modern device, which works due to the action of an electromagnetic field.
An inverter cooker is a device that allows you to start cooking in the most unusual conditions. Equipped the latest technologies and sensors, it becomes an excellent assistant to a person.
Like anything new, all the advantages of the product have not yet been fully appreciated by users, but the main ones can already be noted.
Pros of an induction cooker:
- Economical. The stove begins to heat up only after installing the cookware from the right material, and the corresponding diameter onto the panel surface.
- Safety. If you carelessly place a knife or fork on the stove, you will not get burned when you pick up the appliance again. Near hot container the burner remains cold.
- Touch control. The stove has many modes that make cooking easier.
- Fast cooking. Compared to a gas and conventional electric stove, the induction analogue spends much less time on cooking.
- Easy to care for. The surface does not heat up, which means you can easily clean up ingredients accidentally spilled on the stove.
In addition, some models of inverter cookers are quite big size, and they can be easily transported with you on vacation.
The principle of operation of an induction cooker: features of the device
Under the panel there is an induction coil that generates an electromagnetic high-frequency field. The frequency for heating occurs in the cookware itself, and not from the glass-ceramic surface.
The principle of operation of an induction cooker is the effect of inductors on objects or liquid placed in a container. This process is different from cooking regular stove, where food is cooked using heat transferred from the stove, through the pan to the food.
The principle of operation of the induction panel is that it begins heat treatment of food only after placing a container with a dish on it. It should be noted that after you remove the cookware from the burner, this stove automatically turns itself off and cools down. This happens quickly, in just 6 minutes. To do right choice When buying an induction cooker, you first need to decide on your desires and the purpose of purchasing it.
- Size. In some cases, home owners have to rearrange the kitchen after purchasing a new stove, because new panel should not touch metal utensils. If contact cannot be avoided, then special protective material is laid between the objects.
- The number of switching modes in the product. There are dishes that require a certain temperature to cook. Setting the desired temperature depends on the degree of intermediate positions. It is recommended to take plates with 15-17 different switching modes.
- Availability of spherical burners. If you are a lover of Asian cuisine, this option will be an advantage. To prepare oriental cuisine, dishes of a special concave shape are often used.
- The ability to use all burners simultaneously with different cooking modes also significantly influences the choice if there are many people in the house, or all family members have their own preferences. In some models, it is possible to set only one particular mode for the entire stove.
- Reviews and reviews on forums on the Internet regarding the selected model. If you have already decided on a choice trademark, then you need to ask what users who have already bought it and tried it in practice think about this device.
Housewives who are interested in how to choose an inverter hob must follow all of the above rules. Do not forget that not all electrical appliances can be placed under this device. If you are concerned about this issue, you should consult with the person installing such household appliances.
Convenient induction hob: disadvantages of use
All the pros and cons of the inverter panel are associated with specific operating features. This device is attributed to shortcomings without knowing the operating principle at all.
An induction hob, the disadvantages of which are that, due to the heating principle, such an induction cooker can only work correctly with cookware whose bottom is made of a ferrimagnetic alloy.
Before starting work, the smart surface automatically tests the kitchen utensils that were placed on it for compatibility, and only if everything matches, it switches to the heating mode. You can also determine the suitability of cookware using an ordinary magnet. Actually, in order to cook on an induction hob, it is not necessary to change all the containers in the house. The necessary special steel disks, made in the form of stands, are available on sale to solve this problem.
Disadvantages of an induction electric stove:
- High levels of electromagnetic radiation have a significant impact on health. When using, you need to be no closer than 15-20 cm from the product.
- A loud noise is heard during the cooking process. Modern models They are already much quieter, and to further reduce the strong sound, you need tightly sealed containers.
- For the stove you need to have the appropriate kitchen utensils. If you have to buy dishes, then choose them with a diameter larger than 12-13 cm, and check that they attract a magnet.
- High price. The cost of these devices is an order of magnitude higher than their analogues without induction. The difference will be somewhere around 3-5 thousand rubles.
Despite a sufficient number of disadvantages, positive qualities the invention still has much more.
How to turn on an induction cooker: what can interfere with operation
As already mentioned, the injection plate selects the heating area exactly according to the diameter of the bottom of the container that is placed on it. If the dishes chosen by a person do not cover at least 70% of the burner area, then the smart stove will not turn on, and it will automatically block the heating of products with a diameter of up to 12 cm. This is unlikely to suit those who like to brew quick Turkish coffee in the morning.
Not everyone who decides to make such a purchase knows how to turn on an induction cooker. And this sometimes makes big adjustments to the situation and life of household members. Before purchasing such a product, you need to learn as much as possible about it and carefully approach the choice.
This stove makes the cooking process safe, as there is no open flame on the surface. It doesn't have hot burners either. It turns on when a dish in a suitable container is placed on it. If there are other dishes on the stove, or the stove is empty, its device is programmed to automatically turn off. In addition, the stoves have built-in timers that signal to turn off at the right time. This avoids food overheating and burning.
To prevent any trouble from happening to you and your new device, you need to follow several rules:
- Make the right choice. Approach this process wisely and first draw up an approximate portrait of your future inverter stove in accordance with the requirements that you have.
- Ask the seller for a quality certificate and warranty for this product.
- Use this device only in accordance with the operating instructions.
- Don't experiment with the stove.
If a malfunction is detected, immediately call a technician or transport the device to the workshop yourself. The use of faulty electrical appliances is prohibited.
Induction hob: what it is and how to use it
An induction hob is the same electric stove, only inductive, which works on a different principle. It is much easier and safer to use than conventional electric or gas stove. It does not burn the owner’s hands with fire, and when used, the smell of burning does not spread throughout the room. Its efficiency is much higher than that of a conventional electric stove.
The fundamental difference between this plate and its conventional counterparts is that the new plate is interactive. All control elements are built into its touch panel, and working induction is triggered only in strictly specified cases.
You should be aware that the operation of the heating elements of such a stove can cause malfunctions in the operation of other devices. Manufacturers prohibit placing this built-in induction hob next to appliances with a metal casing.
Appliances that should not be placed near the induction hob:
- Oven;
- Microwave;
- Dishwasher;
- Geyser;
- Convection system;
- Inertial surface.
For the same reason, you cannot place objects with magnetic information, such as electronic passes, plastic cards, or biometric passports, near such stoves. A magnetic system can simply destroy all data.
If the induction hob breaks: what to do
The main advantages of this stove are that it is of very high quality and practical. Induction Appliances they are not counterfeited, and this is their advantage. If their electronic circuit can be faked, then in order for the stove to work efficiently, special equipment is needed.
Induction hob, electronic circuit which has failed can only be repaired in specialized workshops. Do not attempt to make repairs yourself.
If the convector system does not work, it is also not recommended to carry out repairs yourself. The reasons for the breakdown can be different, and only a specialist can figure them out. If your stove hums very constantly or intermittently, then try to find out whether such facts are inherent directly in this model. Perhaps this is how the panel is designed. If this sound appears suddenly, then you should be wary.
If a malfunction is detected, the device must:
- Switch off;
- Let cool;
- Call a technician or transport the device yourself.
Only a qualified specialist will be able to see the real picture of the state of affairs.
How to use an induction cooker (video)
It doesn’t matter why you decided to purchase this device, the important thing is that you don’t stop after taking the first step and go all the way to the end. Once you install a new assistant in your home, you will definitely be satisfied with its work.
Despite the abundance of information, home appliance buyers still have many misconceptions and prejudices that sometimes prevent them from making the right choice and enjoying all the features and capabilities that modern appliances provide.
First of all, the experts decided to dispel doubts about purchasing induction (induction hobs). This technology has already conquered Europe, but still remains unpopular in Russia.
Myth #1: Induction is not safe for your health.
When induction operates, it is not the glass ceramics that heats up, but the cookware, which then transfers the heat to the surface. In conventional stoves there is a Hi Light heating element, while in induction stoves it is replaced by an electromagnetic coil, which generates heat in the cookware itself due to the action of an electromagnetic field. However, it disappears as soon as the dishes are raised even a centimeter from the surface.
To confirm the safety of the stove, an experiment was conducted comparing the voltage level of the magnetic field of induction and a conventional hair dryer. According to testing results, this figure for a hair dryer was 2000 µT, and for a hob - only 22 µT (91 times less!). Such a magnetic field cannot harm human health.
Myth No. 2: When purchasing induction, you will have to replace all the cookware.
This myth is exactly as old as induction hobs have existed on the household appliances market in Russia. Many of those who purchased an induction hob had no idea that, for example, their old enamel cookware, which is 15-20 years old, has ferromagnetic properties and is suitable for induction hobs. How can one not remember the story about aluminum cookware and the housewife who threw it away without thinking that the bottom of such cookware could be made of another ferromagnetic material and it could be suitable for cooking on an induction hob?
This myth is very easy to refute. In order not to throw everything away old dishes, on which you are used to cooking, you need to check its bottom for ferromagnetic properties. This is done very simply: remove the magnet from the refrigerator and attach it to the bottom of the dish from the outside. If the magnet sticks, then the pot or pan is suitable for induction cooking.
Myth #3: Induction heats up like a regular glass-ceramic stove.
One of the most common myths, although the induction hob was created so that the glass ceramics do not heat up to high temperatures, but the dish was still being prepared. When destroying the first myth, it was found that when induction works, it is the cookware that heats up, not the surface. You can make sure that induction is much colder than glass ceramics using ice: just put it on the surface. The ice will melt much slower than on a regular stove. This means that culinary masterpieces are no longer in danger of burning.
Myth No. 4: Any metal object that comes into contact with a working induction unit will become very hot.
Some induction surfaces have a minimum cookware diameter requirement of 8 cm. If the diameter is lower, or the total heating area is smaller, the hob will not turn on. It is also worth noting that if the cookware is not suitable for use, then it will not heat up. And some induction hobs have a sensor: they won’t turn on without the cookware - just like children, if they decide to press the buttons of the new “machine.”
Myth No. 5: Induction cannot be installed above ovens, dishwashers, or washing machines and other devices with metal surfaces.
Really, electromagnetic coils located parallel to the tabletop. And theoretically, the magnetic field should act both on objects located above the hob and below it. But there are hob manufacturers who have taken care of this. When creating them, the developers used a special insulating magnetic “heat sink”. Thus, nothing threatens the equipment located near the induction.
Myth #6: Induction cooktops are expensive.
This myth is easy to refute if you just study the market. According to statistics, in 2012, 42% of consumers in Europe chose induction heating technology. On the Russian market you can find induction hobs starting from 11 thousand rubles. As a result, the difference with traditional glass-ceramic panels is small.
Each kitchen is equipped with a stove used for cooking. There are several varieties of such plates today. These are gas, electric stoves, as well as induction panels. Each person has his own opinion about the advantages and disadvantages of these plates. We will look and analyze how an induction hob works, the pros and cons of such a device, and the features of its operation in a regular kitchen.
To understand the difference in the functioning of a conventional electric stove and an induction panel, let’s make a small comparison between them.
Majority modern apartments equipped today electric stoves with glass-ceramic surfaces. Bulk metal pancakes are already considered anachronisms, as they consume a lot of electricity, although such stoves are also still quite common.
The operating principle of such a device is based on the effect of electric current on heating elements, which are equipped with the hob surface. Electricity heats up the heating element, the heat from which is transferred to the dishes standing on the stove. This is how food is cooked or reheated.
Metal spirals made of a special metal or halogen heaters are used as heating elements. The electric stove is controlled by mechanical or touch switches.
Operating principle of an induction panel
Despite the fact that the built-in induction hob also belongs to the category of electric stoves, it works on a completely different principle. It does not have heating elements, but instead uses built-in electromagnetic coils. The coil is supplied from the mains alternating current, and it generates a magnetic field around itself.
Tip: As an alternative, you can use magnetic stands (adapters) for regular dishes.
Also, only dishes with a perfectly flat bottom are suitable for panels. A curvature of even 1 mm will make cooking impossible.
Noise level
Electric stoves operate silently. In contrast, with induction panels, you can hear the noise of a fan cooling the stove.
Price
Induction panels are more expensive than electric stoves. However, the high price of an induction hob is still, given their more economical operation, will be justified over time and buying them is considered more profitable.
