JP2015227874A - センサ、測定装置、および測定方法 - Google Patents
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Abstract
Description
102 入力要素
104 チャンバ
106 殻構造
108 測定セル
110 螺旋導体
112 壁構造
114 端部
116 端部
118 出力要素
120 管状構造
122 測定および制御部
124 突出部
130 試料
132 空間
140 突出部
200 結合片
400 保護殻
500 空洞
520 開口
600 曲線
602 曲線
700 メモリ
702 プロセッサ
Claims (11)
- 測定セル内の試料を測定するセンサであって、
両端部が殻構造(shell structure)に短絡され、前記測定セルにより包囲される空間内以外で前記測定セルに位置される螺旋導体(helix conductor)であって、前記測定セルの前記殻構造が非導電性材料製である螺旋導体と、
内部に前記測定セル、および前記螺旋導体の少なくとも一部が配置可能(placeable)であり、導電性材料製の殻構造を備えるチャンバであって、前記チャンバの前記殻構造への前記螺旋導体の両端部の結合(coupling)が同一であるチャンバと、
前記螺旋導体に少なくとも1つの螺旋共振(helix resonance)を生成する目的で、無線周波数信号をループ結合で誘導的に前記チャンバ内の前記螺旋導体に結合するように適合される無線周波数信号入力要素(element)と、
ループ結合で前記共振する螺旋導体への誘導結合を形成することにより前記螺旋導体の少なくとも1つの螺旋共振に応答し、測定用無線周波数(radio-frequency)信号を伝送するように適合される無線周波数信号出力要素と、を備えるセンサ。 - 前記センサが、無線周波数信号を直接結合で前記螺旋導体の一端部(one end)に結合するように適合される無線周波数信号入力要素と、無線周波数信号を直接結合で前記螺旋共振器の他端部から受信するように適合される無線周波数信号出力要素とを備える、請求項1に記載のセンサ。
- 前記センサが、前記測定セル内の前記試料の最大粒径(largest granular size)よりも大きい波長で動作するように適合される、請求項1に記載のセンサ。
- 前記センサが、前記螺旋導体の前記端部間の領域で前記螺旋導体の長手軸(longitudinal axis)に垂直に前記チャンバの前記殻構造に位置され、螺旋共振を形成する目的で、無線周波数信号をチャンバ結合で前記チャンバに結合するように適合される無線周波数信号入力要素と、前記螺旋導体の前記端部間の領域で前記入力要素に対して異なるまたは同じ側で前記チャンバの前記殻構造に位置され、チャンバ結合で無線周波数信号を受信するように適合される無線周波数信号出力要素とを備える、請求項1に記載のセンサ。
- 前記センサが、前記チャンバから延出(extending out)し、測定セルを備える管状(tubular)構造に導電性保護構造を備える、請求項1に記載のセンサ。
- 前記センサが、前記試料の流れ方向に、拡張空洞(expanding cavity)を有する管状構造、および測定セルを備える、請求項1に記載のセンサ。
- 測定セル内の試料を測定する装置であって、請求項1に記載のセンサと、無線周波数信号源と、測定および制御部とを備え、
前記無線周波数信号源が前記入力要素へ無線周波数信号を生成するように適合され、
前記測定および制御部が少なくとも1つの共振周波数に基づいて前記試料の少なくとも1つの性質を測定するように適合される、装置。 - 前記測定および制御部が、共振に関連する少なくとも2つのパラメータの値を求め、前記求められるパラメータ値に基づいて前記試料の少なくとも2つの性質を形成するように適合される、請求項7に記載の装置。
- 前記測定および制御部が、異なる周波数を有する少なくとも2つの共振のレベルまたは品質係数(quality factors)に基づいて被測定物質の伝導率を求めように適合され、前記測定および制御部が、前記伝導率を使用して前記試料の少なくとも1つの性質を求めるように適合される、請求項7に記載の装置。
- 前記測定および制御部が、少なくとも1つのプロセッサ、およびコンピュータプログラムコードを含む少なくとも1つのメモリを備え、前記少なくとも1つのメモリが、前記少なくとも1つのプロセッサおよびコンピュータプログラムコードと共に、前記測定装置に、
前記入力要素を通じて導電性材料製の殻構造を備える前記チャンバに対して、前記チャンバ内の前記測定セルの前記螺旋導体により螺旋共振を形成する目的で、前記チャンバの最大内法(largest interior measurement)よりも大きい波長を有する無線周波数信号を結合させ、ここで前記螺旋導体の前記両端部は前記チャンバの前記殻構造に対して同じ結合を有し、一方前記測定セルの殻構造は非導電性材料製であり、
前記チャンバ内に形成される無線周波電場を前記無線周波数信号の前記出力要素により検出させ、
少なくとも1つの共振周波数に基づいて前記試料の少なくとも1つの性質を測定させるように適合される、請求項7に記載の装置。 - 測定セル内の試料を測定する方法であって、
入力要素のループ結合を通じて導電性材料製の殻構造を備えるチャンバ内の螺旋導体に対して、前記測定セルの前記螺旋導体により螺旋共振を形成する目的で、前記チャンバの最大内法よりも大きい波長を有する無線周波数信号を誘導的に結合させるステップであって、前記螺旋導体の両端部は、前記螺旋導体が前記両端部共に前記殻構造に短絡されるように、前記チャンバの前記殻構造に対して同じ結合を有し、一方前記測定セルの殻構造は非導電性材料製であるステップと、
前記チャンバ内に形成される無線周波電場を、ループ結合で前記共振する螺旋導体への誘導結合を形成し、測定用無線周波数信号を伝送することにより、前記無線周波数信号の出力要素により検出するステップと、を含む方法。
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JP6940433B2 (ja) * | 2018-03-13 | 2021-09-29 | アズビル株式会社 | 容量式電磁流量計 |
CN108645489A (zh) * | 2018-04-27 | 2018-10-12 | 重庆川仪自动化股份有限公司 | 一种电磁流量测量的快速零点补偿方法 |
US11327000B2 (en) * | 2018-05-21 | 2022-05-10 | Saudi Arabian Oil Company | Detecting saturation levels of a core sample using magnetic fields |
US11035710B2 (en) * | 2018-09-07 | 2021-06-15 | Electronics And Telecommunications Research Institute | Method for measuring flow using electromagnetic resonance phenomenon and apparatus using the same |
NO345738B1 (en) | 2019-03-29 | 2021-07-12 | Wionetic AS | Electromagnetic flowmeter and method for determining a property of a fluid composition carried in a fluid conduit |
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GEORGES ROUSSY ET AL.: "Microwave broadband permittivity measurement with a multimode helical resonator for studying cataly", MEASUREMENT SCIENCE AND TECHNOLOGY, vol. 12, no. 4, JPN6019006149, April 2001 (2001-04-01), pages 542 - 547, XP020063166, DOI: doi:10.1088/0957-0233/12/4/321 * |
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NO20200698A1 (en) * | 2020-06-12 | 2021-12-13 | Roxar Flow Measurement As | Flow meter for measuring flow velocity in oil continuous flows |
NO347033B1 (en) * | 2020-06-12 | 2023-04-24 | Roxar Flow Measurement As | Flow meter for measuring flow velocity in oil continuous flows |
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JP6608174B2 (ja) | 2019-11-20 |
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US20150346126A1 (en) | 2015-12-03 |
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