CN119234141A - 烟检测装置 - Google Patents

烟检测装置 Download PDF

Info

Publication number
CN119234141A
CN119234141A CN202380041432.4A CN202380041432A CN119234141A CN 119234141 A CN119234141 A CN 119234141A CN 202380041432 A CN202380041432 A CN 202380041432A CN 119234141 A CN119234141 A CN 119234141A
Authority
CN
China
Prior art keywords
light
unit
light receiving
smoke
receiving unit
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.)
Pending
Application number
CN202380041432.4A
Other languages
English (en)
Chinese (zh)
Inventor
熊仓义裕
矶贝启
尾形理人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nohmi Bosai Ltd filed Critical Nohmi Bosai Ltd
Publication of CN119234141A publication Critical patent/CN119234141A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Fire-Detection Mechanisms (AREA)
CN202380041432.4A 2022-06-09 2023-06-06 烟检测装置 Pending CN119234141A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022093782 2022-06-09
JP2022-093782 2022-06-09
PCT/JP2023/020955 WO2023238849A1 (ja) 2022-06-09 2023-06-06 煙検知装置

Publications (1)

Publication Number Publication Date
CN119234141A true CN119234141A (zh) 2024-12-31

Family

ID=89118462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380041432.4A Pending CN119234141A (zh) 2022-06-09 2023-06-06 烟检测装置

Country Status (4)

Country Link
JP (1) JP7788552B2 (https=)
CN (1) CN119234141A (https=)
TW (1) TW202409985A (https=)
WO (1) WO2023238849A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024034491A1 (ja) * 2022-08-12 2024-02-15 能美防災株式会社 煙検知装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870592A (https=) * 1971-12-23 1973-09-25
JPS5258982A (en) * 1975-11-11 1977-05-14 Matsushita Electric Works Ltd Smoke detecting circuit for photoelectric smoke sensor
JPS562537A (en) * 1979-06-20 1981-01-12 Matsushita Electric Ind Co Ltd Smoke detector
JP3251763B2 (ja) * 1993-04-30 2002-01-28 ホーチキ株式会社 火災報知装置及び火災検出方法
JP4720782B2 (ja) * 2007-05-09 2011-07-13 ソニー株式会社 画像表示装置
JP2009122983A (ja) * 2007-11-15 2009-06-04 Sharp Corp 煙センサおよび電子機器
JP2009246095A (ja) * 2008-03-31 2009-10-22 Epson Imaging Devices Corp 光センサ、光検出装置、電気光学装置及び電子機器
US8638436B2 (en) * 2009-09-15 2014-01-28 Hochiki Corporation Smoke sensor
JP2020181507A (ja) * 2019-04-26 2020-11-05 能美防災株式会社 煙感知器

Also Published As

Publication number Publication date
TW202409985A (zh) 2024-03-01
JP7788552B2 (ja) 2025-12-18
WO2023238849A1 (ja) 2023-12-14
JPWO2023238849A1 (https=) 2023-12-14

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