Which brand of household induction cooker is good? The fastest repair method and heating principle of induction cooker

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Many families are now using induction cookers for cooking. The safety factor of induction cookers is safer than that of gas stoves. Electricity is used to replace gas, so that it will not cause accidents caused by gas leakage. The induction cooker is small and compact, and it is also very convenient to use. It has gradually become the main cooking utensil. Today, the editor will introduce to you which brand of household induction cooker is good? The fastest repair method and heating principle of induction cooker.


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   Which brand of household induction cooker is good?


   1. Beautiful

Midea's induction cooker ranks first in the list of induction cooker brands. Its sales volume has been in a leading position in the induction cooker industry for 11 consecutive years. The key to the quality of the induction cooker is to see its firepower, its food cooking speed, and the United States. The large coil of the internal device of the induction cooker can provide super firepower when cooking food, ensuring that the food can be fully and evenly heated. The coil of the beautiful induction cooker uses a two-layer energy gathering coil to provide sufficient firepower protection and heating. The effect is more rapid. The diameter area of ​​the coil is 15cm, which makes the heating area of ​​the induction cooker more extensive. At the same time, the coil is thick and long, and the spacing between the coils is closer, which accelerates the heat transfer speed between the coils.

   2. Supor

The products produced by Supor are not only famous for its juicer, but also its induction cooker. The product made by Supor is the most cost-effective product this year. The coil inside the Supor induction cooker is a stacked energy gathering coil unique to Suport. The double production technology of this stacked energy-gathering coil can greatly reduce the internal resistance between the coils. The heat loss of the coil during heating is reduced. Its unique dual current mode, It can provide double the heating power for induction cooker heating. The dual heating performance combined with the upper and lower coil combination increases the density of the magnet wire layer to the maximum and improves the work efficiency of the induction cooker.

3. Galanz

After decades of intensive research and development of technology, Galanz Induction Cooker has broken through all kinds of difficulties and finally developed a device that can better protect the induction cooker. The latest PPT flame retardant material used by Galanz ’s newly developed coil plate bracket can effectively reduce the resistance between the coils. At the same time, there are 6 imported ferromagnetic iron core magnetic discs in the coil plate. The energy efficiency of the induction cooker is increased to 172% -200%, which greatly increases the thermal efficiency of the induction cooker. Compared with other brands, its thermal efficiency is increased by at least 30%. At the same time, Galanz Induction Cooker also added ultra-wide tin foil in the control panel and coil plate. The added tin foil can effectively achieve the isolation effect. It can block the electromagnetic waves in the induction cooker and fully ensure that the control panel and the coils interact with each other. Does not interfere.

   4. Pentium

The coils used in the Pentium induction cooker are highly efficient concentrating coil disks. This coil disk uses a new type of dense winding technology, which increases the density between the coils, makes the magnetic field lines more dense, and increases the thermal efficiency of the induction cooker. The induction cooker heats up faster during the work, and the food is heated more evenly. At the same time, the density between the coils is increased, the utilization rate of heat energy is increased, and the consumption of electrical energy by the induction cooker is also reduced, achieving the purpose of energy saving. The ultra-fine panel design adds another style to the induction cooker, making it more attractive to consumers.


   The fastest repair method of induction cooker


1. Don't be busy testing the machine first, but ask the user about the phenomenon and damage cause of the induction cooker before testing the machine.

2. Don't sit in the pot when testing the machine. At the same time, connect a 25-watt incandescent lamp in the power supply circuit of the induction cooker to prevent the internal short circuit from exploding and causing the fault to expand. Observe the brightness of the bulb at this time. If the brightness is normal, it means that there is a short circuit inside. If the light bulb flashes, the oscillation circuit is working normally.

3. To judge whether the oscillation circuit is working, use a buzzer and a light-emitting diode in parallel to put on the furnace surface to effectively observe the electromagnetic oven. The flashing light-emitting diode indicates that the induction cooker is working properly.

4. Open the cover to check the resistance of each channel, starting from the gate control tube, including the rectifier bridge stack, high-power resistor, 4UF, 2.7UF, etc., try to use a pointer multimeter to measure, you can use the tin absorber to disconnect the component at the end of the measurement .

5. Common vulnerable components are: high power and large resistance, the capacitance becomes smaller or out of capacitance, the resistance becomes larger or open circuit, and the LM339 is damaged.

6. The damage to the keys is extremely simple, most likely caused by moisture leakage.

7. Many are caused by the power socket, try to replace the power socket after repair.


   Induction heating principle


The induction cooker uses the principle of electromagnetic induction to heat food. The surface of the induction cooker is a heat-resistant ceramic plate. The alternating current generates a magnetic field through the coil below the ceramic plate. When the magnetic field lines in the magnetic field pass through the bottom of the iron pot, stainless steel pot, etc., an eddy current is generated, which causes the bottom of the pot to quickly heat up to achieve food heating purpose.

The working process is as follows: the AC voltage is converted into DC power through a rectifier, and then the DC power is converted into a high-frequency AC power that exceeds the audio frequency through a high-frequency power conversion device. High frequency alternating magnetic field. Its magnetic lines of force penetrate the ceramic countertop of the cooktop and act on the metal pan. A strong eddy current is generated in the cooking pot due to electromagnetic induction. When the eddy current overcomes the internal resistance of the pot body, it completes the conversion of electrical energy to thermal energy, and the Joule heat generated is the heat source for cooking.

Have you seen which brand of household induction cooker is good? Everyone should have some knowledge of the induction cooker for the fastest repair method and heating principle. The induction cooker is one of the modern cooking tools. It can be used for cooking, cooking soup, cooking rice, etc. A variety of cooking methods can be used. Now, the induction cooker has many brands and many styles for everyone to choose, so when choosing, you must choose quality assurance and after-sales service.

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