JP3850418B2 - 花粉センサ - Google Patents
花粉センサ Download PDFInfo
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- JP3850418B2 JP3850418B2 JP2004093140A JP2004093140A JP3850418B2 JP 3850418 B2 JP3850418 B2 JP 3850418B2 JP 2004093140 A JP2004093140 A JP 2004093140A JP 2004093140 A JP2004093140 A JP 2004093140A JP 3850418 B2 JP3850418 B2 JP 3850418B2
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Description
偏光度D2=(I−Is)/I
偏光度D3=Is/I
さらに、本発明の花粉センサは、前記識別手段は、偏光度D1、D2、D3のいずれか一つと、前記散乱光の強度Iとが、予め定められている偏光度D1、D2、D3のいずれか一つと、前記散乱光の強度Iとからなるマトリックス内にあるものを花粉粒子として識別を行うことが好ましい。
第1受光手段2は、レンズ8と、フォトダイオード9によって構成されている。レンズ8は、浮遊粒子による散乱光を集光し、フォトダイオード9は、第1電流を出力する。これにより、フォトダイオード9から散乱光の強度Iを測定する。
2 第1受光手段
3 第2受光手段
4 空気吸引口
5 吸引ファン
6、51 半導体レーザ
7、8、10、52、53、55 レンズ
9、12、54、57 フォトダイオード
11、56 偏光フィルタ
13、14 電流電圧変換回路
15、16 増幅回路
17 識別手段
19 遮光ハウジング
20 花粉センサ
60 浮遊粒子
Claims (2)
- 浮遊粒子を含有する空気中に所定の偏光方向の照射光を照射する発光手段と、
前記浮遊粒子による散乱光を検出し、散乱光の強度Iを測定する第1受光手段と、
前記浮遊粒子による散乱光のうちの照射光の偏光方向に直交する偏光方向の散乱光を検出し、直交散乱光の強度Isを測定する第2受光手段と、
前記散乱光の強度Iと前記直交散乱光の強度Isとに基づいて、花粉粒子と土埃との識別を行う識別手段と、
を備え、
前記識別手段は、前記散乱光の強度Iと前記直交散乱光の強度Isとが用いられる下記偏光度D1、D2、D3のいずれか一つと、散乱光の強度Iとに基づいて、識別を行う花粉センサ。
偏光度D1=(I−Is)/(I+Is)
偏光度D2=(I−Is)/I
偏光度D3=Is/I - 前記識別手段は、偏光度D1、D2、D3のいずれか一つと、前記散乱光の強度Iとが、予め定められている偏光度D1、D2、D3のいずれか一つと、前記散乱光の強度Iとからなるマトリックス内にあるものを花粉粒子として識別を行う請求項1に記載の花粉センサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004093140A JP3850418B2 (ja) | 2004-03-26 | 2004-03-26 | 花粉センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004093140A JP3850418B2 (ja) | 2004-03-26 | 2004-03-26 | 花粉センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005283152A JP2005283152A (ja) | 2005-10-13 |
JP3850418B2 true JP3850418B2 (ja) | 2006-11-29 |
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JP2004093140A Expired - Lifetime JP3850418B2 (ja) | 2004-03-26 | 2004-03-26 | 花粉センサ |
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JP (1) | JP3850418B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106164643A (zh) * | 2014-04-08 | 2016-11-23 | 三菱电机株式会社 | 浮游粒子检测装置 |
CN107192646A (zh) * | 2016-03-15 | 2017-09-22 | 欧姆龙株式会社 | 颗粒传感器、以及具备该颗粒传感器的电子设备 |
CN107560985A (zh) * | 2017-08-28 | 2018-01-09 | 南京中科乾安智能科技有限公司 | 无风机激光颗粒物的检测装置及设备 |
CN109690298A (zh) * | 2016-09-09 | 2019-04-26 | 法雷奥热系统公司 | 用于检测机动车辆的气流中的颗粒物质的装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007278858A (ja) * | 2006-04-07 | 2007-10-25 | Shinei Kk | 霧粒子センサ及び霧センサ |
JP4970985B2 (ja) * | 2007-03-06 | 2012-07-11 | ウェザー・サービス株式会社 | 花粉量算出方法、花粉量算出プログラム、花粉量算出システム |
JP6270700B2 (ja) * | 2014-12-01 | 2018-01-31 | 三菱電機株式会社 | 浮遊粒子検出装置 |
JP6560138B2 (ja) | 2016-02-09 | 2019-08-14 | 東芝メモリ株式会社 | 粒子計測装置 |
WO2017183597A1 (ja) * | 2016-04-20 | 2017-10-26 | 三菱電機株式会社 | 微小体検出装置 |
FR3055966A1 (fr) * | 2016-09-09 | 2018-03-16 | Valeo Systemes Thermiques | Dispositif de detection de matiere particulaire dans un flux d'air pour vehicule automobile |
CN111316084B (zh) * | 2017-10-09 | 2023-09-15 | 皇家飞利浦有限公司 | 粒子或花粉传感器以及感测方法 |
-
2004
- 2004-03-26 JP JP2004093140A patent/JP3850418B2/ja not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106164643A (zh) * | 2014-04-08 | 2016-11-23 | 三菱电机株式会社 | 浮游粒子检测装置 |
EP3130909A4 (en) * | 2014-04-08 | 2017-12-27 | Mitsubishi Electric Corporation | Floating particle detection device |
US9958376B2 (en) | 2014-04-08 | 2018-05-01 | Mitsubishi Electric Corporation | Floating particle detection device |
CN106164643B (zh) * | 2014-04-08 | 2019-07-12 | 三菱电机株式会社 | 浮游粒子检测装置 |
CN107192646A (zh) * | 2016-03-15 | 2017-09-22 | 欧姆龙株式会社 | 颗粒传感器、以及具备该颗粒传感器的电子设备 |
CN109690298A (zh) * | 2016-09-09 | 2019-04-26 | 法雷奥热系统公司 | 用于检测机动车辆的气流中的颗粒物质的装置 |
CN107560985A (zh) * | 2017-08-28 | 2018-01-09 | 南京中科乾安智能科技有限公司 | 无风机激光颗粒物的检测装置及设备 |
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