Low-frequency electromagnetic noise reduction technology for induction cookers

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The kitchen is a cosy corner of the home, and the electric cooker, a frequent visitor to the modern kitchen, often makes an unpleasant buzzing noise at work. Behind the sound, there is a problem of low frequency electromagnetic interference when the induction cooker is working. But did you know that even affordable induction cookers have the secret to making noise invisible? Next, let us enter this world full of scientific and technological charm, explore the low-frequency electromagnetic induction cooker Noise Reduction Technology Magic Mystery.

1.Optimization of coil disk

Coil is the core component of induction cooker, it is like a magic energy converter, through alternating current to generate magnetic field, and then create eddy current in the bottom of the pot to heat food. However, if the coil disk design is not reasonable, the current will produce irregular fluctuations when passing through, causing severe vibration of the coil, resulting in low-frequency noise. In order to achieve quiet, engineers have carefully optimized the coil disc. They use a multi-layer, tightly wound technology that keeps each coil of copper wire tightly packed, reducing the number of breaks and jumps in the flow of current and allowing it to flow steadily. At the same time, increasing the number of magnetic strips and optimizing the layout of magnetic strips can better disperse the magnetic field, reduce the concentration of the magnetic field, and reduce the vibration caused by the uneven magnetic field.

2.Filtering and shielding

Induction Cooker in the working process, will produce a large number of electromagnetic waves. These electromagnetic waves are like a bunch of naughty children, running around in the circuit, not only can cause interference with the surrounding electronic equipment, but also can create induced current on metal shell and other components, causing vibration and noise. The filter circuit is composed of inductance, capacitance and other components, which can effectively filter out the clutter and high frequency noise in the current, so that the current becomes more pure and smooth. The shielding technology is to put on a layer of protective clothing to the induction cooker, using conductive metal materials made of good shielding, electromagnetic wave firmly locked inside, to prevent its leakage to the outside world. Through the dual function of filtering and shielding, the low-frequency noise caused by electromagnetic wave interference is greatly reduced.

3.Control and drive of power device

Power device is the power switch of induction cooker, which controls the current and on-off. The traditional power device control method is relatively simple and crude, which will produce a large current impact and voltage change at the moment of switching, just like the sudden opening or closing of the tap, the water flow will produce violent fluctuations, and cause noise. Modern low-frequency electromagnetic noise reduction technology uses advanced power device control algorithms that allow power devices to switch between zero-voltage or zero-current during switching, just as water flows slowly on and off, reduce the impact of the current and noise generation. At the same time, through the precise digital control technology, the size and frequency of the current can be monitored and adjusted in real time to ensure that the induction cooker can maintain stable operation under different working conditions, and further reduce the low-frequency noise.

4.Noise reduction of cooling system

The induction cooker will produce a lot of heat when it works. If the heat dissipation is not timely, it will not only affect the performance and life of the induction cooker, but also lead to the deformation and vibration of the internal components due to overheating, thus causing noise. The traditional cooling system usually adopts the method of fan forced cooling, but the fan will produce large wind noise when running at high speed. To solve this problem, the engineers optimized the cooling system. They used a low-noise fan, and the fan blade shape and speed of careful design, so that in ensuring the cooling effect at the same time, as far as possible to reduce noise.

Conclusion

From the precise optimization of the coil disc to the upgrading of the filter circuit, from the intelligent innovation of power control to the quiet design of the cooling system, each breakthrough in noise reduction technology is a profound insight and improvement of the quality of life by science and technology. The low-frequency electromagnetic noise reduction technology of induction cooker not only solves the problem of noise nuisance, but also makes cooking a kind of enjoyment. In the kitchens of the future, with advances in technology, we have reason to believe that induction cookers will become more efficient and quiet, adding more warmth and fun to our lives.