A self-controllable electromagnetic induction heating film and its preparation method
An electromagnetic induction heating, electromagnetic induction technology, applied in the direction of induction heating, induction heating devices, etc., can solve the problem that the coefficient of thermal expansion and cold and heat shock resistance are difficult to meet the electromagnetic induction heating method, and achieve the effect of slowing down the heating rate
Active Publication Date: 2022-05-13
HUNAN JIAYEDA ELECTRONICS
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Problems solved by technology
Due to the extremely fast heating rate of electromagnetic induction heating and the dry burning temperature is as high as 650°C, it is difficult for ordinary heat-resistant ceramic pots to meet the electromagnetic induction heating method due to thermal expansion coefficient and cold and thermal shock resistance, especially in the special case of dry burning. more significant
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0019] A method for preparing a self-controllable electromagnetic induction heating electromagnetic film, comprising the steps of:
[0020] Step S1: Prepare materials, weigh flake silver powder, spherical silver powder and environment-friendly glass powder, and set aside.
[0021] Step S2: Mix the raw materials in various proportions weighed in step S1 with the special organic vehicle for flower paper to prepare the first silver paste, the second silver paste and the glass glaze paste.
[0022] Specifically, the silver powder required for the first silver paste includes spherical silver powder and flake silver powder with a weight ratio of 1:9, and an environmentally friendly glass powder with a total weight of 7.5% of the silver powder. Specifically, the environmentally friendly glass powder specifically refers to lead-free glass powder.
[0023] Specifically, the silver powder required for the second silver paste includes spherical silver powder and flake silver powder with...
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Abstract
The invention discloses an electromagnetic induction heating film capable of self-controlling temperature and a preparation method thereof. The electromagnetic induction heating film comprises a first electromagnetic induction heating layer, a second electromagnetic induction heating layer and a glass glaze protective layer from top to bottom. Both the first electromagnetic induction heating layer and the second electromagnetic induction heating layer are prepared from a set ratio of silver powder and an inorganic binder phase, and the silver powder is prepared from a set ratio of flake silver powder and spherical silver powder . By adjusting the composition ratio of the electromagnetic induction heating layer, the heating power decreases with the increase of the film surface temperature, thereby slowing down the heating rate of the heating device coated with the electromagnetic induction heating layer, and achieving the effect of self-temperature control.
Description
technical field [0001] The invention relates to the field of electromagnetic induction heating, in particular to an electromagnetic induction heating film capable of self-controlling temperature and a preparation method thereof. Background technique [0002] Electromagnetic induction heating film, commonly known as magnetic film, can make utensils made of non-magnetic materials can also be heated in the electromagnetic field, such as ceramic pots, glass pots and microcrystalline pots, etc., which are healthy, safe and beautiful. Due to the extremely fast heating rate of electromagnetic induction heating and the dry burning temperature is as high as 650°C, it is difficult for ordinary heat-resistant ceramic pots to meet the electromagnetic induction heating method due to thermal expansion coefficient and cold and thermal shock resistance, especially in the special case of dry burning. more significant. Contents of the invention [0003] In view of the above-mentioned defec...
Claims
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IPC IPC(8): H05B6/12
CPCH05B6/12
Inventor 余仁安施小罗范文筹刘志潜何龙刘宗玉
Owner HUNAN JIAYEDA ELECTRONICS