JP2020523601A - 粒子センサ及び粒子感知方法 - Google Patents
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Abstract
Description
流体における粒子を感知するための粒子感知システムであって、
流路内に位置する検出空間であって、前記流路を通って流体が長手方向に通過させられる、検出空間と、
前記流体の流れ方向に垂直な熱勾配を生成し、それにより前記流体のなかの粒子に正の熱泳動力を印加するための、加熱構成と、
前記検出空間における前記流体における粒子を感知するためのセンサと、
を有し、
前記流れ内の粒子により占有される空間を制約し、それにより前記粒子を前記検出空間内に集中させるために、熱泳動力が用いられ、
前記加熱構成は、前記流体に対する熱泳動力の種々のレベルを提供するよう調節可能であり、
前記システムは、
加熱せずに初期粒子濃度測定値を取得し、
前記初期粒子濃度測定値に依存して前記加熱構成を制御する
よう構成されたコントローラを更に有する、システムが提供される。
流路の長手方向に沿って粒子を含む流体を通過させるステップと、
前記流路の検出空間において初期の粒子濃度測定値を得るステップと、
前記初期の粒子濃度測定値に依存する量だけ前記流体を加熱し、それにより前記流路の前記長手方向に垂直な方向に成分を含む前記流体における正の熱泳動力をかけるステップと、
前記流路の検出空間における前記粒子を感知するステップであって、前記熱泳動力が、流れ内の前記粒子により占有される制約された空間を提供し、それにより前記検出空間における前記粒子の濃度を増大させるステップと、
を有する方法を提供する。
Claims (14)
- 流体における粒子を感知するための粒子感知システムであって、
流路内に位置する検出空間であって、前記流路を通って流体が長手方向に通過させられる、検出空間と、
前記流体の流れ方向に垂直な熱勾配を生成し、それにより前記流体のなかの粒子に正の熱泳動力を印加するための、加熱構成と、
前記検出空間における前記流体における粒子を感知するためのセンサと、
を有し、
前記流れ内の粒子により占有される空間を制約し、それにより前記粒子を前記検出空間内に集中させるために、熱泳動力が用いられ、
前記加熱構成は、前記流体に対する熱泳動力の種々のレベルを提供するよう調節可能であり、
前記システムは、
加熱せずに初期粒子濃度測定値を取得し、
前記初期粒子濃度測定値に依存して前記加熱構成を制御する
よう構成されたコントローラを更に有する、システム。 - 前記加熱構成は、複数の独立して制御可能な加熱要素を有する、請求項1に記載のシステム。
- 前記検出空間は、前記流路よりも小さな断面積を持つ、請求項1又は2に記載のシステム。
- 前記加熱構成は、前記流路を囲むコイル又はコイルのセットを有する、請求項1乃至3のいずれか一項に記載のシステム。
- 前記長手方向は垂直又は略垂直であり、前記加熱構成は前記流路を通る流れを生成するよう構成された、請求項1乃至4のいずれか一項に記載のシステム。
- 前記センサは、光学的センサを有する、請求項1乃至5のいずれか一項に記載のシステム。
- 前記システムは、前記加熱構成による加熱の前に、前記流体における粒子を感知するための第2のセンサを有する、請求項1乃至6のいずれか一項に記載のシステム。
- 前記システムは、空気である流体における粒子を感知するための粒子感知システムである、請求項1乃至7のいずれか一項に記載のシステム。
- 前記システムは、花粉を感知するための粒子感知システムである、請求項1乃至8のいずれか一項に記載のシステム。
- 流体における粒子を感知するための粒子感知方法であって、
流路の長手方向に沿って粒子を含む流体を通過させるステップと、
前記流路の検出空間において初期の粒子濃度測定値を得るステップと、
前記初期の粒子濃度測定値に依存する量だけ前記流体を加熱し、それにより前記流路の前記長手方向に垂直な方向に成分を含む前記流体における正の熱泳動力をかけるステップと、
前記流路の検出空間における前記粒子を感知するステップであって、前記熱泳動力が、流れ内の前記粒子により占有される制約された空間を提供し、それにより前記検出空間における前記粒子の濃度を増大させるステップと、
を有する方法。 - 安定した感知結果を得るため前記加熱を調節するステップを有する、請求項10に記載の方法。
- 前記粒子を加熱する前に、第2のセンサを用いて前記粒子を感知するステップを有する、請求項10又は11に記載の方法。
- 前記流体は空気である、請求項10乃至12のいずれか一項に記載の方法。
- 前記粒子は花粉である、請求項10乃至13のいずれか一項に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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CN2017089329 | 2017-06-21 | ||
CNPCT/CN2017/089329 | 2017-06-21 | ||
EP17186088.5A EP3444587A1 (en) | 2017-08-14 | 2017-08-14 | Particle sensor and particle sensing method |
EP17186088.5 | 2017-08-14 | ||
PCT/EP2018/066476 WO2018234408A1 (en) | 2017-06-21 | 2018-06-20 | PARTICLE SENSOR AND METHOD FOR DETECTING PARTICLES |
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US (1) | US10816445B2 (ja) |
EP (1) | EP3642587B1 (ja) |
JP (1) | JP2020523601A (ja) |
CN (1) | CN110785645B (ja) |
RU (1) | RU2020102027A (ja) |
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US10948391B2 (en) * | 2017-11-14 | 2021-03-16 | Aerodyne Microsystems Inc., a Delaware Corporation | Airborne particle detection system with orientation-dependent particle discrimination |
US10876949B2 (en) | 2019-04-26 | 2020-12-29 | Honeywell International Inc. | Flow device and associated method and system |
CN111398103A (zh) * | 2020-03-31 | 2020-07-10 | 北京工业大学 | 一种基于“三明治”模型约束羽辉的激光焊接中光束内微粒的测量方法 |
US11835432B2 (en) | 2020-10-26 | 2023-12-05 | Honeywell International Inc. | Fluid composition sensor device and method of using the same |
TWI771806B (zh) * | 2020-11-18 | 2022-07-21 | 財團法人工業技術研究院 | 微粒感測裝置 |
US20220357261A1 (en) * | 2021-05-07 | 2022-11-10 | Honeywell International Inc. | Device for detecting liquid content in an aerosol and method of using the same |
US20220364973A1 (en) * | 2021-05-13 | 2022-11-17 | Honeywell International Inc. | In situ fluid sampling device and method of using the same |
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GB2361883B (en) | 2000-05-03 | 2003-05-28 | Cell Analysis Ltd | Method and apparatus for analysing low concentrations of particles |
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US20200116604A1 (en) | 2020-04-16 |
RU2020102027A (ru) | 2021-07-21 |
EP3642587B1 (en) | 2020-12-30 |
CN110785645A (zh) | 2020-02-11 |
WO2018234408A1 (en) | 2018-12-27 |
RU2020102027A3 (ja) | 2021-07-21 |
EP3642587A1 (en) | 2020-04-29 |
CN110785645B (zh) | 2022-04-08 |
US10816445B2 (en) | 2020-10-27 |
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