A New Type 3D Printing Microwave Resonant Cavity for Materials Moisture Sensing

被引：0
|
作者：
Cheng, Wei-Chen [1 ]
Sun, Jwo-Shiun [1 ]
Chen, Guan-Yu [1 ]
Liao, Chi-Fan [2 ]
Cheng, Kelvin [2 ]
Cheng, Chu-Hsien [3 ]
机构：
[1] Natl Taipei Univ Technol, Elect Engn, Taipei, Taiwan
[2] FineTek Co Ltd, Taipei, Taiwan
[3] Changhua Cty Huatan Jr High Sch, Changhua, Taiwan
来源：
2020 INTERNATIONAL SYMPOSIUM ON COMPUTER, CONSUMER AND CONTROL (IS3C 2020) | 2021年
关键词：
dielectric coefficient; microwave resonant cavity; TEM mode; 3D printing technology;
D O I：
10.1109/IS3C50286.2020.00037
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Regardless of agriculture, forestry, mining, animal husbandry, a high-precision, discerning material moisture content sensing system has a wide range of needs. With reference to the microwave detection technology for dielectric coefficient and moisture content of material, we designed a front-end microwave resonant cavity for measuring the moisture content of the material is realized by 3D printing technology, and its function is successfully measured. This article first analyzes the coaxial cavity TEM mode resonance conditions and the calculation method of quality factors. The electromagnetic simulation software (High Frequency Structure Simulator ; HFSS) is used for simulation, and the adjustment of the relationship between the size of the resonant cavity and the frequency deviation and the theory of dielectric perturbation are explained. The simulated coaxial resonant cavity is realized by 3D printing technology, and it is loaded with soil with different moisture content to construct a relationship between moisture content and frequency deviation.
引用
收藏
页码：114 / 117
页数：4
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