JP7738765B2 - 煙検知装置 - Google Patents

煙検知装置

Info

Publication number
JP7738765B2
JP7738765B2 JP2024540418A JP2024540418A JP7738765B2 JP 7738765 B2 JP7738765 B2 JP 7738765B2 JP 2024540418 A JP2024540418 A JP 2024540418A JP 2024540418 A JP2024540418 A JP 2024540418A JP 7738765 B2 JP7738765 B2 JP 7738765B2
Authority
JP
Japan
Prior art keywords
light
axis
receiving unit
detection device
receiving
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.)
Active
Application number
JP2024540418A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024034491A1 (https=
Inventor
義裕 熊倉
啓 磯貝
里実 矢木
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 JPWO2024034491A1 publication Critical patent/JPWO2024034491A1/ja
Application granted granted Critical
Publication of JP7738765B2 publication Critical patent/JP7738765B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01N21/47—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

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2024540418A 2022-08-12 2023-08-02 煙検知装置 Active JP7738765B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022128804 2022-08-12
JP2022128804 2022-08-12
PCT/JP2023/028272 WO2024034491A1 (ja) 2022-08-12 2023-08-02 煙検知装置

Publications (2)

Publication Number Publication Date
JPWO2024034491A1 JPWO2024034491A1 (https=) 2024-02-15
JP7738765B2 true JP7738765B2 (ja) 2025-09-12

Family

ID=89851582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024540418A Active JP7738765B2 (ja) 2022-08-12 2023-08-02 煙検知装置

Country Status (4)

Country Link
JP (1) JP7738765B2 (https=)
CN (1) CN119698645A (https=)
TW (1) TW202424913A (https=)
WO (1) WO2024034491A1 (https=)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011203892A (ja) 2010-03-25 2011-10-13 Nohmi Bosai Ltd 煙感知器
JP2011242909A (ja) 2010-05-17 2011-12-01 Hochiki Corp 高感度煙感知器
JP2013020296A (ja) 2011-07-07 2013-01-31 Hochiki Corp 感知器
JP2015191462A (ja) 2014-03-28 2015-11-02 能美防災株式会社 煙感知器
JP2016090349A (ja) 2014-10-31 2016-05-23 パナソニックＩｐマネジメント株式会社 粒子検出センサ、ダストセンサ、煙感知器、空気清浄機、換気扇及びエアコン
JP2019046112A (ja) 2017-08-31 2019-03-22 ホーチキ株式会社 散乱光式感知器
JP2020181507A (ja) 2019-04-26 2020-11-05 能美防災株式会社 煙感知器
WO2023210548A1 (ja) 2022-04-27 2023-11-02 能美防災株式会社 煙検知装置
WO2023238849A1 (ja) 2022-06-09 2023-12-14 能美防災株式会社 煙検知装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011203892A (ja) 2010-03-25 2011-10-13 Nohmi Bosai Ltd 煙感知器
JP2011242909A (ja) 2010-05-17 2011-12-01 Hochiki Corp 高感度煙感知器
JP2013020296A (ja) 2011-07-07 2013-01-31 Hochiki Corp 感知器
JP2015191462A (ja) 2014-03-28 2015-11-02 能美防災株式会社 煙感知器
JP2016090349A (ja) 2014-10-31 2016-05-23 パナソニックＩｐマネジメント株式会社 粒子検出センサ、ダストセンサ、煙感知器、空気清浄機、換気扇及びエアコン
JP2019046112A (ja) 2017-08-31 2019-03-22 ホーチキ株式会社 散乱光式感知器
JP2020181507A (ja) 2019-04-26 2020-11-05 能美防災株式会社 煙感知器
WO2023210548A1 (ja) 2022-04-27 2023-11-02 能美防災株式会社 煙検知装置
WO2023238849A1 (ja) 2022-06-09 2023-12-14 能美防災株式会社 煙検知装置

Also Published As

Publication number Publication date
TW202424913A (zh) 2024-06-16
CN119698645A (zh) 2025-03-25
WO2024034491A1 (ja) 2024-02-15
JPWO2024034491A1 (https=) 2024-02-15

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