JP7738748B2 - 煙検知装置 - Google Patents

煙検知装置

Info

Publication number
JP7738748B2
JP7738748B2 JP2024517292A JP2024517292A JP7738748B2 JP 7738748 B2 JP7738748 B2 JP 7738748B2 JP 2024517292 A JP2024517292 A JP 2024517292A JP 2024517292 A JP2024517292 A JP 2024517292A JP 7738748 B2 JP7738748 B2 JP 7738748B2
Authority
JP
Japan
Prior art keywords
light
unit
emitting
receiving unit
emitting 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.)
Active
Application number
JP2024517292A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023210548A1 (enExample
Inventor
義裕 熊倉
智宏 星野
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 JPWO2023210548A1 publication Critical patent/JPWO2023210548A1/ja
Priority to JP2025145431A priority Critical patent/JP2025170405A/ja
Application granted granted Critical
Publication of JP7738748B2 publication Critical patent/JP7738748B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954Inspecting the inner surface of hollow bodies, e.g. bores
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103Actuation 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
    • G08B17/107Actuation 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)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2024517292A 2022-04-27 2023-04-21 煙検知装置 Active JP7738748B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025145431A JP2025170405A (ja) 2022-04-27 2025-09-02 煙検知装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022073655 2022-04-27
JP2022073655 2022-04-27
PCT/JP2023/016019 WO2023210548A1 (ja) 2022-04-27 2023-04-21 煙検知装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025145431A Division JP2025170405A (ja) 2022-04-27 2025-09-02 煙検知装置

Publications (2)

Publication Number Publication Date
JPWO2023210548A1 JPWO2023210548A1 (enExample) 2023-11-02
JP7738748B2 true JP7738748B2 (ja) 2025-09-12

Family

ID=88518919

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2024517292A Active JP7738748B2 (ja) 2022-04-27 2023-04-21 煙検知装置
JP2025145431A Pending JP2025170405A (ja) 2022-04-27 2025-09-02 煙検知装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025145431A Pending JP2025170405A (ja) 2022-04-27 2025-09-02 煙検知装置

Country Status (4)

Country Link
JP (2) JP7738748B2 (enExample)
CN (1) CN119096278A (enExample)
TW (1) TW202407334A (enExample)
WO (1) WO2023210548A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119698645A (zh) * 2022-08-12 2025-03-25 能美防灾株式会社 烟检测装置
CN117711126B (zh) * 2023-11-28 2024-10-29 天津航空机电有限公司 一种民机货舱烟雾探测器抗误报系统及方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020181507A (ja) 2019-04-26 2020-11-05 能美防災株式会社 煙感知器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3236708B2 (ja) * 1993-08-17 2001-12-10 ホーチキ株式会社 散乱光式煙感知器
JPH09269293A (ja) * 1996-04-01 1997-10-14 Nisshin Koki Kk 微粒子検知器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2023210548A1 (ja) 2023-11-02
JPWO2023210548A1 (enExample) 2023-11-02
TW202407334A (zh) 2024-02-16
CN119096278A (zh) 2024-12-06
JP2025170405A (ja) 2025-11-18

Similar Documents

Publication Publication Date Title
JP2025170405A (ja) 煙検知装置
US8232885B2 (en) Photoelectric smoke detector
EP1967843B1 (en) Smoke detector
CN107646129B (zh) 火灾报警器,有在烟雾进口区域中监控污染的散射光组件
TWI497454B (zh) Attractive smoke detection system
CN1140884C (zh) 散射光探测器
US20040035184A1 (en) Sampling tube-type smoke detector
JP2787001B2 (ja) 光電式煙感知器
JP4995608B2 (ja) 煙感知器
JP6905900B2 (ja) 散乱光式感知器
JP4987515B2 (ja) 煙感知器
JP2020181507A (ja) 煙感知器
JPH09269293A (ja) 微粒子検知器
JP5280347B2 (ja) 光電式煙感知器
JP7788552B2 (ja) 煙検知装置
JP6957273B2 (ja) 散乱光式感知器
JP2008108140A (ja) 煙感知装置
JP2002298242A (ja) 炎検知器
JPH02181297A (ja) 試験機能付煙感知器
JP4791308B2 (ja) 煙感知装置
JP4981404B2 (ja) 粒子カウンタ式煙感知装置
JP7738765B2 (ja) 煙検知装置
JP4928208B2 (ja) 煙感知装置
JP7738735B2 (ja) 煙検知装置
JPH08271424A (ja) 微粒子検出センサ

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240709

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250422

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250620

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250805

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250902

R150 Certificate of patent or registration of utility model

Ref document number: 7738748

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150