Warm keeping dinner plate
A dinner plate and heat preservation technology, which is applied in the field of warm dinner plates, can solve the problems of cooling and cooling of meals, loss of nutrients in meals, and complicated steps, and achieves the effects of solving the problem of excessive heat dissipation, easy purchase and simple process.
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[0011] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:
[0012] The principle of the heat preservation plate is to use heating resistance wire for heating, that is, electric heating. Electric heating is currently the most efficient, fastest, low-consumption, energy-saving and environmentally friendly induction heating equipment for heating metal materials. The high-frequency high-frequency current flows to the heating coil (usually made of red copper tube) that is wound into a ring or other shape. As a result, a strong magnetic beam with an instantaneous change in polarity is generated in the coil. When the heated object such as metal is placed in the coil, the magnetic beam will penetrate the entire heated object, and the inside of the heated object will be generated in the opposite direction to the heating current. The corresponding large eddy current. Due to the resistance in the heated object, a lot ...
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