1, the principle is different.
Kang has a stove mouth and a smoke mouth, and the stove mouth is used for burning wood. When the smoke and hot air generated by wood burning pass through the partition wall of the kang, the slate on it is heated to generate heat, which makes the kang generate heat. Finally, the smoke is discharged from the smoke outlet of the refractory material through the chimney.
Electric blanket is mainly composed of heating element, base core, fabric, power cord, junction box and control switch. Its main structure is to put the heating element on the base cloth, then connect the power cord, and sew the sewn heating element with the base cloth with a mask bag, so that the electric blanket can be used. When the heating element is energized, the current generates heat through the heating element.
2. Different classifications
The structure of kang is far more complicated than that of bed, and the construction methods are different, including hole kang, flower kang and hollow kang.
Electric blankets can be divided into non-signal line type and signal line type.
3. Historical time is different.
Kang was invented by Han people. Chinese archaeology discovered the fire-resistant kang in the Western Han Dynasty, which advanced the history of fire-resistant kang to more than 2,000 years ago.
Electric blanket has a history of 100 years, with adjustable temperature, convenient use and wide application.
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