JP2019197022A5 - - Google Patents

Download PDF

Info

Publication number
JP2019197022A5
JP2019197022A5 JP2018092223A JP2018092223A JP2019197022A5 JP 2019197022 A5 JP2019197022 A5 JP 2019197022A5 JP 2018092223 A JP2018092223 A JP 2018092223A JP 2018092223 A JP2018092223 A JP 2018092223A JP 2019197022 A5 JP2019197022 A5 JP 2019197022A5
Authority
JP
Japan
Prior art keywords
light source
heat radiating
detection device
light
radiating member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2018092223A
Other languages
Japanese (ja)
Other versions
JP2019197022A (en
JP7003835B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2018092223A priority Critical patent/JP7003835B2/en
Priority claimed from JP2018092223A external-priority patent/JP7003835B2/en
Publication of JP2019197022A publication Critical patent/JP2019197022A/en
Publication of JP2019197022A5 publication Critical patent/JP2019197022A5/ja
Application granted granted Critical
Publication of JP7003835B2 publication Critical patent/JP7003835B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (7)

粒子を検出する検出領域に照射される光を出射する光源と、
前記検出領域内の前記粒子に前記光を照射することで発生する散乱光を受光する受光部
と
を備え、
暖められた空気が上昇する方向と反対の方向を下側とすると、
前記光源は前記検出領域より下側に配置され、
前記光源の熱による上昇気流によって、前記粒子を含む空気を上昇させて前記粒子を前
記検出領域へ導くことを特徴とする粒子検出装置。 A light source that emits light that irradiates the detection area where particles are detected,
A light receiving unit that receives scattered light generated by irradiating the particles in the detection region with the light is provided.
If the direction opposite to the direction in which the warmed air rises is the lower side,
The light source is located below the detection area.
A particle detection device characterized in that air containing the particles is raised by an updraft due to the heat of the light source to guide the particles to the detection region. 前記光源が発する熱を放熱する第１の放熱部材を前記検出領域よりも下側に備えることを特徴とする請求項１記載の粒子検出装置。 The particle detection device according to claim 1, further comprising a first heat radiating member that dissipates heat generated by the light source below the detection region. 前記光は前記上昇する方向に対して傾斜して前記検出領域に入射することを特徴とする
請求項２記載の粒子検出装置。 The particle detection device according to claim 2, wherein the light is inclined with respect to the rising direction and enters the detection region. 前記光源および前記受光部を収納する筐体であり、排気口と吸気口とが形成されている筐体をさらに備え、It is a housing for accommodating the light source and the light receiving portion, and further includes a housing in which an exhaust port and an intake port are formed.
前記吸気口は、前記排気口よりも下部に形成されており、The intake port is formed below the exhaust port.
前記第１の放熱部材は、前記排気口よりも前記吸気口に近い位置に設けられることを特徴とする請求項２または３に記載の粒子検出装置。The particle detection device according to claim 2 or 3, wherein the first heat radiating member is provided at a position closer to the intake port than the exhaust port. 前記第１の放熱部材の、前記吸気口から離れている部分が断熱材で覆われていることを特徴とする請求項４記載の粒子検出装置。The particle detection device according to claim 4, wherein a portion of the first heat radiating member that is separated from the intake port is covered with a heat insulating material. 前記光源から出射された光を集光するレンズと、A lens that collects the light emitted from the light source and
前記第１の放熱部材を含み、前記光源を保持する第１の保持部材と、A first holding member including the first heat radiating member and holding the light source,
第２の放熱部材を含み、前記レンズを保持する第２の保持部材と、をさらに備え、A second holding member including a second heat radiating member and holding the lens is further provided.
前記第１の放熱部材の熱伝導率と前記第２の放熱部材の熱伝導率とが異なることを特徴とする請求項２から５のうちのいずれか１項に記載の粒子検出装置。The particle detection device according to any one of claims 2 to 5, wherein the thermal conductivity of the first heat radiating member and the thermal conductivity of the second heat radiating member are different. 前記空気を前記検出領域へ導く誘導壁をさらに備え、
前記光源は前記誘導壁の内部に配置されることを特徴とする請求項１から６のうちのいずれか１項に記載の粒子検出装
置。 Further provided with a guide wall that guides the air to the detection region.
The particle detection device according to any one of claims 1 to 6, wherein the light source is arranged inside the guide wall.
JP2018092223A 2018-05-11 2018-05-11 Particle detector Active JP7003835B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018092223A JP7003835B2 (en) 2018-05-11 2018-05-11 Particle detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018092223A JP7003835B2 (en) 2018-05-11 2018-05-11 Particle detector

Publications (3)

Publication Number Publication Date
JP2019197022A JP2019197022A (en) 2019-11-14
JP2019197022A5 true JP2019197022A5 (en) 2021-03-25
JP7003835B2 JP7003835B2 (en) 2022-02-10

Family

ID=68538328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018092223A Active JP7003835B2 (en) 2018-05-11 2018-05-11 Particle detector

Country Status (1)

Country Link
JP (1) JP7003835B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102310367B1 (en) * 2021-03-12 2021-10-07 한상현 Vehicle fine dust detection sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05232012A (en) * 1992-02-22 1993-09-07 Horiba Ltd Fine particle measuring device
JP2007057360A (en) * 2005-08-24 2007-03-08 Agilent Technol Inc Particle detector and particle detecting method used therein
US20070225590A1 (en) 2006-01-13 2007-09-27 Boston Scientific Scimed, Inc. Control panel for a medical imaging system
JP5366726B2 (en) * 2009-09-14 2013-12-11 北斗電子工業株式会社 Method and apparatus for detecting the size of particles in a liquid
JP2014048100A (en) * 2012-08-30 2014-03-17 Sharp Corp Particle detection device
WO2015151502A1 (en) * 2014-04-03 2015-10-08 パナソニックＩｐマネジメント株式会社 Particle-detecting sensor, dust sensor, smoke detector, air purifier, fan, and air conditioner
JP6350662B2 (en) * 2014-07-25 2018-07-04 富士通株式会社 Measuring apparatus, measuring system and measuring method for measuring particles and gas

Similar Documents

Publication Publication Date Title
CA2874102C (en) Cooling heat-generating components of a light fixture
EP2148133A3 (en) Automotive lamp having fan
JP2014045345A5 (en)
JP2018114941A5 (en)
JP2009076377A5 (en)
JP2013246342A (en) Luminaire and inside cooling method for luminaire
JP2019197022A5 (en)
JP2017223844A5 (en)
JP2007128728A (en) Led lamp
JP2015088419A (en) Lighting device
JP2014026945A5 (en)
JP6295455B2 (en) Light irradiation device
DE60218989D1 (en) Fan unit for heat dissipation with a flow guide
TW200911607A (en) Heat dissipation structure for main front light of motorcycle
JP6501510B2 (en) Electronic dehumidifier for board
JP7003835B2 (en) Particle detector
JP7377686B2 (en) Light irradiation test device
JP2011155549A5 (en)
JP2014063620A (en) Lighting device
JPWO2021095547A5 (en)
JP6882822B2 (en) Lamp unit
JP2014207211A (en) Lighting device
JP6584205B2 (en) Lighting device
JP6736322B2 (en) Endoscope
JP6118665B2 (en) Heat sink device