Heating element, preparation method thereof, atomizer and atomizing device
A heating element and main body technology, applied in the field of atomization, can solve problems such as difficult temperature control, increased product design difficulty and cost, and inability to effectively control the atomization effect of e-liquid, so as to achieve effective atomization and reduce design and production costs Effect
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[0054] In order to achieve the technical effect of the heating element above, this embodiment also provides a method for preparing the heating element, including the steps of preparing the heating element body:
[0055] Mix the PTCR ceramic powder and the Curie temperature shifting agent in proportion and ball mill to obtain the mixed powder;
[0056] The temperature of the mixed powder is raised to 800-1000°C, and the PTCR ceramic material is obtained after calcining and secondary ball milling, and the PTCR ceramic material is mixed with organic additives to form the heating element body.
[0057] In an implementation of this embodiment, in order to enable the above-mentioned PTCR ceramic material to be used in the heating element, an organic binder or an organic carrier can be used to make the PTCR ceramic material into different types of heating elements according to the usage requirements of different scenarios The main body, specifically, the PTCR ceramic material is mixe...
Embodiment 1
[0064] Such as figure 1 as shown, figure 1 It is a schematic diagram of the structure of the heating element in this embodiment. The heating element includes a heating element body 11. The heating element body 11 is made of PTCR ceramic material. Both sides of the heating element body 11 are covered with electrodes 12. The Curie temperature of the PTCR ceramic material is 275 ℃. The heating element of this embodiment is prepared according to the following method:
[0065] BaCO 3 、TiO 2 、 Bi 2 o 3 、Na 2 CO 3 The powder is mixed in a molar ratio of 0.92:1:0.04:0.04 to form a ceramic powder, and 0-0.01mol of the oxide of the first element and 0-0.0005mol of the oxide of the second element are added to each mol of the ceramic powder, and ball milled for 2 hours To obtain a mixed powder, wherein the first element is at least one of Y, La, Sb, and Nb, and the second element is at least one of Mn, Al, and Si; the mixed powder is mixed at 5°C / min The temperature was raised to...
Embodiment 2
[0067] Such as figure 2 as shown, figure 2 It is a structural schematic diagram of the heating element of this embodiment. The heating element is composed of a porous ceramic substrate 22 and a heating film 21 covered on the surface of the porous ceramic substrate. Both sides of the heating film 21 are covered with electrodes 23. The heating film 21 contains PTCR ceramic material, PTCR The Curie temperature of the ceramic material is 250°C.
[0068] The heating element of this embodiment is prepared according to the following method:
[0069] BaCO 3 、TiO 2 、 Bi 2 o 3 、Na 2 CO 3The powders are mixed in a ratio of 0.92:1:0.04:0.04 to form a ceramic powder, and 0-0.01mol of the first element oxide and 0-0.0005mol of the second element oxide are added to each 1mol of the ceramic powder, and ball milled for 2 hours to obtain Mixed powder, wherein the first element is at least one of Y, La, Sb, and Nb, and the second element is at least one of Mn, Al, and Si; the mixed pow...
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Abstract
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