JP4382141B2 - 微粒子検出装置 - Google Patents
微粒子検出装置 Download PDFInfo
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- JP4382141B2 JP4382141B2 JP2009001148A JP2009001148A JP4382141B2 JP 4382141 B2 JP4382141 B2 JP 4382141B2 JP 2009001148 A JP2009001148 A JP 2009001148A JP 2009001148 A JP2009001148 A JP 2009001148A JP 4382141 B2 JP4382141 B2 JP 4382141B2
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- light
- detection
- inspection
- fine particles
- light receiving
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Description
(4)上記(1)において、好ましくは、前記レーザ発光手段及び前記受光手段の少なくとも一方に、前記検査光の光軸に直交する平坦部を有し該平坦部の周囲が該平坦部に対して傾斜した検査光選別手段を備えていることを特徴とする。
1−1 発光素子
1−2 受光素子
1−3 保持板
1−4 保持板
1−6,6’,6” 光透過孔
1−7,7’,7” 光透過孔
4 信号処理回路
4−1 バンドパスフィルタ
1−10 導光路
12 発光素子
14,14A 受光素子
15−5 波形メモリ
16,16A 信号処理装置
16−6 演算器
17 細孔板
17−1 光透過孔
30 反射防止部
31,32 検査光選別手段
L 検査光
P 微粒子
Claims (4)
- 出射した検査光を配管内の被検査体に絞らずに入射させる、前記配管の外側に取り付けたレーザ発光手段と、
被検査体を透過して前記レーザ発光手段から直接入射する直接光、及び被検査体中を流れる微粒子で反射して入射する反射光を透過させる細孔を有する、前記配管の外側に取り付けた遮光手段と、
前記細孔の透過光を受光する、前記遮光手段より外側に取り付けた受光手段と、
前記直接光及び前記反射光の光干渉により得られる前記受光手段からの検出光強度の変動から被検査体中の微粒子を検出する信号処理装置と
を備えたことを特徴とする微粒子検出装置。 - 請求項1の微粒子検出装置において、前記細孔の孔径は、検査光の照射領域を微粒子が移動するとき、前記直接光と前記反射光との干渉によって透過光に強度変動が生じる大きさであることを特徴とする微粒子検出装置。
- 請求項1の微粒子検出装置において、前記レーザ発光手段は半導体レーザ素子であり、被検査体中の検査光の強度は光軸から離れるにつれて低くなっていることを特徴とする微粒子検出装置。
- 請求項1の微粒子検出装置において、前記レーザ発光手段及び前記受光手段の少なくとも一方に、前記検査光の光軸に直交する平坦部を有し該平坦部の周囲が該平坦部に対して傾斜した検査光選別手段を備えていることを特徴とする微粒子検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009001148A JP4382141B2 (ja) | 2007-06-06 | 2009-01-06 | 微粒子検出装置 |
Applications Claiming Priority (2)
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---|---|---|---|
JP2007150045 | 2007-06-06 | ||
JP2009001148A JP4382141B2 (ja) | 2007-06-06 | 2009-01-06 | 微粒子検出装置 |
Related Parent Applications (1)
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JP2008257035A Division JP4382139B2 (ja) | 2007-06-06 | 2008-10-02 | 微粒子検出装置及び微粒子検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009069165A JP2009069165A (ja) | 2009-04-02 |
JP4382141B2 true JP4382141B2 (ja) | 2009-12-09 |
Family
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Family Applications (3)
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---|---|---|---|
JP2008075077A Pending JP2009014702A (ja) | 2007-06-06 | 2008-03-24 | 微粒子検出装置及び微粒子検出方法 |
JP2008257035A Expired - Fee Related JP4382139B2 (ja) | 2007-06-06 | 2008-10-02 | 微粒子検出装置及び微粒子検出方法 |
JP2009001148A Expired - Fee Related JP4382141B2 (ja) | 2007-06-06 | 2009-01-06 | 微粒子検出装置 |
Family Applications Before (2)
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JP2008075077A Pending JP2009014702A (ja) | 2007-06-06 | 2008-03-24 | 微粒子検出装置及び微粒子検出方法 |
JP2008257035A Expired - Fee Related JP4382139B2 (ja) | 2007-06-06 | 2008-10-02 | 微粒子検出装置及び微粒子検出方法 |
Country Status (1)
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JP (3) | JP2009014702A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015021932A (ja) * | 2013-07-23 | 2015-02-02 | パイオニア株式会社 | 気泡検出器及び気泡検出方法 |
JP6125418B2 (ja) * | 2013-12-18 | 2017-05-10 | アズビル株式会社 | 粒子検出装置及び粒子の検出方法 |
JP7082013B2 (ja) | 2018-09-04 | 2022-06-07 | 株式会社アドバンテスト | 微粒子測定システム、計測装置 |
EP3875941A4 (en) * | 2018-10-29 | 2022-08-17 | Kyocera Corporation | MEASUREMENT DEVICE |
CN111665221A (zh) * | 2019-03-08 | 2020-09-15 | 中国科学院长春光学精密机械与物理研究所 | 基于透射光谱检测种子活力的装置及其使用方法 |
CN114441418A (zh) * | 2022-01-28 | 2022-05-06 | 天津凌视科技有限公司 | 用于高速流动微粒的成像系统、成像方法及可读存储介质 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4806015A (en) * | 1987-12-08 | 1989-02-21 | Cottingham Hugh V | Agglutination detection apparatus |
JPH09318523A (ja) * | 1996-05-29 | 1997-12-12 | Toa Medical Electronics Co Ltd | パラメータ解析方法及びそれを用いた装置 |
JP3672158B2 (ja) * | 1997-03-10 | 2005-07-13 | 富士電機システムズ株式会社 | 濁度の測定方法および装置 |
JP2003207454A (ja) * | 2002-01-15 | 2003-07-25 | Minolta Co Ltd | 透過光検出装置 |
JP3751263B2 (ja) * | 2002-06-05 | 2006-03-01 | リオン株式会社 | 微粒子検出装置 |
JP2005245317A (ja) * | 2004-03-04 | 2005-09-15 | Mitsubishi Electric Corp | 微生物の計測装置及び計測方法 |
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2008
- 2008-03-24 JP JP2008075077A patent/JP2009014702A/ja active Pending
- 2008-10-02 JP JP2008257035A patent/JP4382139B2/ja not_active Expired - Fee Related
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2009
- 2009-01-06 JP JP2009001148A patent/JP4382141B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4382139B2 (ja) | 2009-12-09 |
JP2009014702A (ja) | 2009-01-22 |
JP2009014740A (ja) | 2009-01-22 |
JP2009069165A (ja) | 2009-04-02 |
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