JP2017026545A - 粒子検出センサ - Google Patents
粒子検出センサ Download PDFInfo
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- JP2017026545A JP2017026545A JP2015147792A JP2015147792A JP2017026545A JP 2017026545 A JP2017026545 A JP 2017026545A JP 2015147792 A JP2015147792 A JP 2015147792A JP 2015147792 A JP2015147792 A JP 2015147792A JP 2017026545 A JP2017026545 A JP 2017026545A
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- 238000001514 detection method Methods 0.000 title claims abstract description 207
- 239000002245 particle Substances 0.000 title claims abstract description 156
- 238000010438 heat treatment Methods 0.000 claims description 38
- 230000003287 optical effect Effects 0.000 description 21
- 239000000428 dust Substances 0.000 description 11
- 238000000149 argon plasma sintering Methods 0.000 description 9
- 239000000779 smoke Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000443 aerosol Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 pollen Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1434—Optical arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1404—Handling flow, e.g. hydrodynamic focusing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
- G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N2015/1486—Counting the particles
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
まず、実施の形態1に係る粒子検出センサ1について、図1を用いて説明する。図1は、実施の形態1に係る粒子検出センサ1の概略構成を模式的に示す断面図である。
次に、実施の形態2に係る粒子検出センサ2について、図5及び図6を用いて説明する。図5は、XZ平面における実施の形態2に係る粒子検出センサ2の光学系を説明するための図であり、図6は、XY平面における同粒子検出センサ2の光学系を説明するための図である。
以上、本発明に係る粒子検出センサについて、実施の形態に基づいて説明したが、本発明は、上記の実施の形態に限定されるものではない。
10 投光素子
20 受光素子
30 加熱装置
40 反射体
41e 第1楕円形部
42e 第2楕円形部
41c 第1円形部
42c 第2円形部
DA 検知領域
Claims (5)
- 投光素子と、
検知領域における気体中の粒子による前記投光素子からの光の散乱光を受光する受光素子と、
前記気体を加熱する加熱装置と、
前記散乱光を反射して当該散乱光を前記受光素子に導く反射体とを備え、
前記反射体は、
少なくとも一部が、前記検知領域と前記受光素子との間の領域に配置され、かつ、内面形状が回転楕円体の回転面の一部をなす第1楕円形部と、
前記検知領域を基準として前記受光素子側とは反対側の領域に配置され、かつ、内面形状が球体の球面の一部をなす第1円形部とを有し、
前記第1楕円形部は、前記回転楕円体を構成する楕円の2つの焦点のうちの一方の焦点である第1焦点が前記検知領域内に位置し、かつ、前記2つの焦点うちの他方の焦点である第2焦点が前記受光素子の近傍に位置するように形成されており、
前記第1円形部は、前記球体を構成する円の中心が前記検知領域内に位置するように形成されている
粒子検出センサ。 - 前記円の直径は、前記楕円の長径から焦点間距離を引いた値よりも大きい
請求項1に記載の粒子検出センサ。 - 前記第1円形部における前記円の前記中心と、前記第1楕円形部における前記楕円の前記第1焦点とは一致している
請求項1又は2に記載の粒子検出センサ。 - 前記反射体は、さらに、
少なくとも一部が、前記第2焦点を基準として前記検知領域側とは反対側の領域に配置され、かつ、内面形状が球体の球面の一部をなす第2円形部と有し、
前記検知領域を基準として前記受光素子側とは反対側の領域に配置され、かつ、内面形状が回転楕円体の回転面の一部をなす第2楕円形部とを有し、
前記第2円形部は、前記球体を構成する円の中心が前記検知領域内に位置するように形成されており、
前記第2楕円形部は、当該第2楕円形部の前記回転楕円体を構成する楕円の2つの焦点のうちの一方の焦点である第1焦点が前記検知領域内に位置し、かつ、当該第2楕円形部における前記2つの焦点のうちの他方の焦点である第2焦点が前記受光素子の近傍に位置するように形成されている
請求項1〜3のいずれか1項に記載の粒子検出センサ。 - 前記第2楕円形部を構成する前記楕円の前記第1焦点と前記第1楕円形部を構成する前記楕円の前記第1焦点とが一致し、
前記第2楕円形部を構成する前記楕円の前記第2焦点と前記第1楕円形部を構成する前記楕円の前記第2焦点とが一致している
請求項4に記載の粒子検出センサ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015147792A JP6688966B2 (ja) | 2015-07-27 | 2015-07-27 | 粒子検出センサ |
DE102016113492.9A DE102016113492A1 (de) | 2015-07-27 | 2016-07-21 | Teilchensensor |
CN201610580311.9A CN106404618A (zh) | 2015-07-27 | 2016-07-21 | 粒子检测传感器 |
US15/216,610 US9739701B2 (en) | 2015-07-27 | 2016-07-21 | Particle sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015147792A JP6688966B2 (ja) | 2015-07-27 | 2015-07-27 | 粒子検出センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017026545A true JP2017026545A (ja) | 2017-02-02 |
JP6688966B2 JP6688966B2 (ja) | 2020-04-28 |
Family
ID=57795638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015147792A Active JP6688966B2 (ja) | 2015-07-27 | 2015-07-27 | 粒子検出センサ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9739701B2 (ja) |
JP (1) | JP6688966B2 (ja) |
CN (1) | CN106404618A (ja) |
DE (1) | DE102016113492A1 (ja) |
Cited By (3)
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KR20230013871A (ko) * | 2021-07-20 | 2023-01-27 | (주)미디어에버 | 나노파티클 검출장치의 진동저감 구조 |
KR20230013872A (ko) * | 2021-07-20 | 2023-01-27 | (주)미디어에버 | 나노파티클 검출장치 |
KR20230013870A (ko) * | 2021-07-20 | 2023-01-27 | (주)미디어에버 | 나노파티클 검출장치 |
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EP3392648B1 (en) * | 2015-12-14 | 2020-10-07 | Mitsubishi Electric Corporation | Minute object detection device |
EP3635699B1 (en) | 2017-06-09 | 2022-07-27 | Carrier Corporation | Chamberless smoke detector with indoor air quality detection and monitoring |
US10837891B2 (en) * | 2017-12-11 | 2020-11-17 | Honeywell International Inc. | Miniature optical particulate matter sensor module |
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US11783688B2 (en) * | 2018-03-13 | 2023-10-10 | Carrier Corporation | Aspirating detector system |
JP7071634B2 (ja) * | 2018-07-12 | 2022-05-19 | ミツミ電機株式会社 | 液滴センサ |
CN109561522B (zh) * | 2018-10-11 | 2022-01-25 | 东莞材料基因高等理工研究院 | 一种基于三组合反射罩的高温加热装置 |
US11506586B2 (en) | 2020-08-17 | 2022-11-22 | Carrier Corporation | Photoelectric smoke sensor tube |
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-
2015
- 2015-07-27 JP JP2015147792A patent/JP6688966B2/ja active Active
-
2016
- 2016-07-21 DE DE102016113492.9A patent/DE102016113492A1/de not_active Withdrawn
- 2016-07-21 US US15/216,610 patent/US9739701B2/en not_active Expired - Fee Related
- 2016-07-21 CN CN201610580311.9A patent/CN106404618A/zh active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20230013871A (ko) * | 2021-07-20 | 2023-01-27 | (주)미디어에버 | 나노파티클 검출장치의 진동저감 구조 |
KR20230013872A (ko) * | 2021-07-20 | 2023-01-27 | (주)미디어에버 | 나노파티클 검출장치 |
KR20230013870A (ko) * | 2021-07-20 | 2023-01-27 | (주)미디어에버 | 나노파티클 검출장치 |
KR102602447B1 (ko) | 2021-07-20 | 2023-11-16 | (주)미디어에버 | 나노파티클 검출장치의 진동저감 구조 |
KR102634304B1 (ko) | 2021-07-20 | 2024-02-08 | (주)미디어에버 | 나노파티클 검출장치 |
KR102634312B1 (ko) | 2021-07-20 | 2024-02-13 | (주)미디어에버 | 나노파티클 검출장치 |
Also Published As
Publication number | Publication date |
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CN106404618A (zh) | 2017-02-15 |
US9739701B2 (en) | 2017-08-22 |
DE102016113492A1 (de) | 2017-02-02 |
JP6688966B2 (ja) | 2020-04-28 |
US20170030822A1 (en) | 2017-02-02 |
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