A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention belongs to the technical field of electric heating elements, in particular to a CNPTC high-magnetism heating technology. Ferrite and a semiconductor compound with a positive temperaturecoefficient are adopted; ferrite and the semiconductor compound are combined to form a CNPTC composition, the CNPTC composition is a barium titanate based miniaturized thermistor element, and the maincomponent of the CNPTC composition is BaTiO3. The CNPTC composition is molded by a common ceramic process and is sintered at high temperature so as to semi-conduct platinum titanate and a solid solution thereof to obtain a thermistor material with positive characteristics; the resistivity of the CNPTC composition is far greater than that of a common semiconductor material, the CNPTC composition has the advantage of small eddy current loss, and a magnetic component formed by the CNPTC composition has the advantages of high heat conversion rate, high heat transfer speed, good heating uniformity, good heat dissipation, uniform heat dissipation, good heating performance stability, low energy consumption, energy conservation and long service life.
本发明属于电发热元件技术领域，具体涉及一种CNPTC高磁发热技术，包括铁氧体和正温度系数半导体化合物，铁氧体和正温度系数半导体化合物的结合体为CNPTC组合物，CNPTC组合物为钛酸钡系小型化的热敏电阻元件，CNPTC组合物主成分为BaTiO3。本发明CNPTC组合物采用一般陶瓷工艺成形、高温烧结而使钛酸铂等及其固溶体半导化，从而得到正特性的热敏电阻材料，CNPTC电阻率远大于一般半导体性材料，具有涡流损失小的优点，同时CNPTC组合物形成的磁性元器件热转化率高、热传递速度快、发热均匀性好，散热性好并且散热均匀，发热性能稳定性好，耗能小节约能源，使用寿命长。
The invention belongs to the technical field of electric heating elements, in particular to a CNPTC high-magnetism heating technology. Ferrite and a semiconductor compound with a positive temperaturecoefficient are adopted; ferrite and the semiconductor compound are combined to form a CNPTC composition, the CNPTC composition is a barium titanate based miniaturized thermistor element, and the maincomponent of the CNPTC composition is BaTiO3. The CNPTC composition is molded by a common ceramic process and is sintered at high temperature so as to semi-conduct platinum titanate and a solid solution thereof to obtain a thermistor material with positive characteristics; the resistivity of the CNPTC composition is far greater than that of a common semiconductor material, the CNPTC composition has the advantage of small eddy current loss, and a magnetic component formed by the CNPTC composition has the advantages of high heat conversion rate, high heat transfer speed, good heating uniformity, good heat dissipation, uniform heat dissipation, good heating performance stability, low energy consumption, energy conservation and long service life.
本发明属于电发热元件技术领域，具体涉及一种CNPTC高磁发热技术，包括铁氧体和正温度系数半导体化合物，铁氧体和正温度系数半导体化合物的结合体为CNPTC组合物，CNPTC组合物为钛酸钡系小型化的热敏电阻元件，CNPTC组合物主成分为BaTiO3。本发明CNPTC组合物采用一般陶瓷工艺成形、高温烧结而使钛酸铂等及其固溶体半导化，从而得到正特性的热敏电阻材料，CNPTC电阻率远大于一般半导体性材料，具有涡流损失小的优点，同时CNPTC组合物形成的磁性元器件热转化率高、热传递速度快、发热均匀性好，散热性好并且散热均匀，发热性能稳定性好，耗能小节约能源，使用寿命长。
CNPTC high-magnetism heating technology
一种CNPTC高磁发热技术
YAO SHUWEI (author)
2020-05-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Method for plugging crack by heating asphalt with magnetism
| European Patent Office | 2024
Preparation method for non-rare-earth high-remanent-magnetism permanent-magnetism ferrite
| European Patent Office | 2015
| European Patent Office | 2020
| Engineering Index Backfile | 1941