Long-acting vacuum cup
A thermos cup, long-term technology, applied in the direction of drinking water utensils, etc., to achieve the effect of long heat preservation time and convenient application
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[0012] The invention discloses a design scheme of a long-acting thermos cup. figure 1 It is a schematic cross-sectional view of the long-acting thermos cup of the present invention. The main body of the cup 1 is characterized in that the cup 1 has a double-layer structure as a whole, the interlayer 2 is a vacuum, and the bottom of the cup is equipped with a heating device 3, which is powered by a high-capacity polymer lithium battery 4. When the temperature in the cup is lower than the set value , the heating device can be movably activated to heat the thermos cup. The long-lasting thermos cup is equipped with a temperature sensor switch. When it is detected that the temperature at the bottom of the cup is 30 degrees lower than the preset temperature value, the heating device 3 is automatically activated. When the temperature at the bottom of the cup is detected to be equal to or higher than the preset temperature value of 80 degrees, The heating device 3 is automatically sto...
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