CN110806416B - 同时测量湿度、温度和材料复介电常数的多功能传感器 - Google Patents
同时测量湿度、温度和材料复介电常数的多功能传感器 Download PDFInfo
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- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
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- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
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- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
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Abstract
Description
结构 | 尺寸大小(mm) | 湿度敏感范围 | 灵敏度 |
衬底集成谐振器 | 35×35 | 0-80% | 101kHz/RH |
横向带阻滤波器 | 76.4×40 | 6.5-93% | 173kHz/RH |
PVA薄膜 | 10×7.3 | 15-69.4% | 89.34kHz/RH |
射频干涉传感器 | 8.1×9.3 | 20-70% | 142kHz/RH |
基于Kapton的CPW谐振器 | 33×30 | 60-100% | 3.88MHz/RH |
本发明传感器(Kapton) | 23.5×17.42 | 0-100% | 9.86MHz/RH |
结构 | 谐振频率(GHz) | 工作原理 | 温度范围 | 灵敏度 |
LC温度传感器 | 0.105 | 频率偏移 | 26-1400℃ | 14.3kHz/度 |
双微带微流控传感器 | 2.55 | 频率偏移 | 21-39℃ | 0.167MHz/度 |
双模微流控传感器 | 2.49 | 频率偏移 | 23-35℃ | 0.183MHz/度 |
本发明传感器(热敏电阻) | 13.375 | Q值变化 | 30-95℃ | 81/度 |
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CN113252992B (zh) * | 2021-07-05 | 2021-11-05 | 山东国瓷功能材料股份有限公司 | 材料介电性能测试设备 |
CN114325118B (zh) * | 2021-12-07 | 2023-11-03 | 重庆邮电大学 | 一种基于csrr衍生结构的固体材料电磁参数传感器 |
CN115128702B (zh) * | 2022-06-07 | 2023-07-04 | 江南大学 | 一种复合型微波传感器及检测方法 |
CN116973634B (zh) * | 2023-09-25 | 2024-02-13 | 河南师范大学 | 测量液体介电常数的传感器及测量乙醇浓度的方法 |
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CN107516753A (zh) * | 2017-08-08 | 2017-12-26 | 西安电子科技大学 | 一种基于基片集成波导非完整模的滤波器 |
CN107819180A (zh) * | 2017-09-27 | 2018-03-20 | 广东曼克维通信科技有限公司 | 基片集成波导器件与基片集成波导滤波器 |
CN110165353A (zh) * | 2019-05-17 | 2019-08-23 | 杭州电子科技大学 | 同时测量磁介质材料介电常数和磁导率的高q有源谐振器 |
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CA2906268C (en) * | 2014-09-29 | 2020-04-14 | The Governors Of The University Of Alberta | Apparatus and method for high resolution complex permittivity sensing using high q microwave sensors for lossy or non-lossy mediums and samples |
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CN1900692A (zh) * | 2005-07-20 | 2007-01-24 | 安华高科技杰纳勒尔Ip(新加坡)私人有限公司 | 共振结构湿度传感器 |
CN204885382U (zh) * | 2015-07-31 | 2015-12-16 | 中国人民武装警察部队工程大学 | 一种新型多层1/8模基片集成波导滤波器 |
CN107516753A (zh) * | 2017-08-08 | 2017-12-26 | 西安电子科技大学 | 一种基于基片集成波导非完整模的滤波器 |
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