TW200802196A - Sound wave type smoke detector - Google Patents

Sound wave type smoke detector

Info

Publication number
TW200802196A
TW200802196A TW096116448A TW96116448A TW200802196A TW 200802196 A TW200802196 A TW 200802196A TW 096116448 A TW096116448 A TW 096116448A TW 96116448 A TW96116448 A TW 96116448A TW 200802196 A TW200802196 A TW 200802196A
Authority
TW
Taiwan
Prior art keywords
sound wave
unit
monitor space
smoke density
wave type
Prior art date
Application number
TW096116448A
Other languages
English (en)
Other versions
TWI332643B (en
Inventor
Yoshifumi Watabe
Yoshiaki Honda
Tomizo Terasawa
Yuji Takada
Takayuki Nishikawa
Original Assignee
Matsushita Electric Works 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
Priority claimed from JP2007069087A external-priority patent/JP4893397B2/ja
Priority claimed from JP2007069092A external-priority patent/JP4816526B2/ja
Priority claimed from JP2007069089A external-priority patent/JP4816524B2/ja
Priority claimed from JP2007069090A external-priority patent/JP4950709B2/ja
Priority claimed from JP2007069091A external-priority patent/JP4816525B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of TW200802196A publication Critical patent/TW200802196A/zh
Application granted granted Critical
Publication of TWI332643B publication Critical patent/TWI332643B/zh

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/021—Gases
    • G01N2291/0217—Smoke, combustion gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
TW096116448A 2006-05-12 2007-05-09 Sound wave type smoke detector TWI332643B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2006134289 2006-05-12
JP2007069087A JP4893397B2 (ja) 2006-05-12 2007-03-16 火災感知器
JP2007069092A JP4816526B2 (ja) 2007-03-16 2007-03-16 火災感知器
JP2007069089A JP4816524B2 (ja) 2007-03-16 2007-03-16 火災感知器
JP2007069090A JP4950709B2 (ja) 2007-03-16 2007-03-16 火災感知器
JP2007069091A JP4816525B2 (ja) 2007-03-16 2007-03-16 火災感知器
JP2007069088 2007-03-16

Publications (2)

Publication Number Publication Date
TW200802196A true TW200802196A (en) 2008-01-01
TWI332643B TWI332643B (en) 2010-11-01

Family

ID=38693770

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096116448A TWI332643B (en) 2006-05-12 2007-05-09 Sound wave type smoke detector

Country Status (5)

Country Link
US (1) US8253578B2 (zh)
EP (1) EP2034462A4 (zh)
CN (1) CN101449304B (zh)
TW (1) TWI332643B (zh)
WO (1) WO2007132671A1 (zh)

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TWI725399B (zh) * 2018-03-26 2021-04-21 日商松下知識產權經營股份有限公司 煙感測系統、煙感測方法及程式
TWI749350B (zh) * 2018-08-10 2021-12-11 日商住友重機械工業股份有限公司 異常監視裝置、異常監視方法及異常監視程式產品
TWI848943B (zh) * 2018-03-28 2024-07-21 日商報知希股份有限公司 火災偵測設備

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JP2009180672A (ja) * 2008-01-31 2009-08-13 Fujitsu Ltd 気圧測定装置および気圧測定方法
JP5166991B2 (ja) * 2008-06-25 2013-03-21 パナソニック株式会社 浮遊粒子測定システム
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CN102498384B (zh) * 2009-09-15 2015-09-02 报知希株式会社 烟雾感测器
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CN103969327B (zh) * 2014-06-04 2016-07-06 江南大学 一种超声波油烟浓度传感器
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US9933319B2 (en) * 2015-04-13 2018-04-03 Invensense, Inc. Acoustic ambient temperature and humidity sensing
JP6755308B2 (ja) 2015-10-08 2020-09-16 ディスィジョン サイエンシズ メディカル カンパニー，エルエルシー 音響式整形外科的追跡システムおよび方法
EP3452998B1 (en) * 2016-05-03 2021-01-06 Autronica Fire & Security AS Automatic cover detection system and method
CN106205584A (zh) * 2016-07-06 2016-12-07 南京大学 一种基于可调共振频率的Helmholtz共鸣器的宽带消声管道
KR102630227B1 (ko) * 2016-07-21 2024-01-29 한화비전 주식회사 감시 데이터 제공 시스템 및 방법
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CN108961642A (zh) * 2017-05-23 2018-12-07 南宁富桂精密工业有限公司 一种火灾报警方法、电子装置及计算机可读存储介质
JP7179478B2 (ja) * 2018-04-10 2022-11-29 Ｔｉａｎｍａ Ｊａｐａｎ株式会社 気体センサ及び気体検出方法
EP3794331B1 (en) 2018-05-15 2023-12-13 Carrier Corporation Vibration based actuator system for cleaning of optical surface
CN112189347B (zh) * 2018-05-18 2022-10-04 美商楼氏电子有限公司 麦克风组件和形成麦克风组件的方法
KR102007446B1 (ko) * 2018-05-21 2019-10-21 해성디에스 주식회사 센서 유닛, 이를 포함하는 온도 센서, 센서 유닛의 제조방법 및 이를 이용하여 제조된 온도 센서
US11137331B2 (en) 2018-08-21 2021-10-05 Viavi Solutions Inc. Multispectral sensor based alert condition detector
CN109358118B (zh) * 2018-09-28 2021-03-02 昂科信息技术（上海）股份有限公司 利用超声监测空间的方法、系统及介质
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JP7408290B2 (ja) * 2019-03-28 2024-01-05 ホーチキ株式会社 火災監視システム
WO2020219705A1 (en) 2019-04-23 2020-10-29 Allan Wegner Semi-rigid acoustic coupling articles for ultrasound diagnostic and treatment applications
CN110070698A (zh) * 2019-04-24 2019-07-30 宁波市乐星感应电器有限公司 具有驱蚊、驱鼠功能的可燃气体报警器
JP2022541172A (ja) * 2019-07-19 2022-09-22 アイキューイー ピーエルシー 調整可能な誘電率及び調整可能な熱伝導率を有する半導体材料
KR102231003B1 (ko) * 2019-10-18 2021-03-22 숭실대학교산학협력단 초음파 다중 산란에 따른 미세먼지의 농도를 측정하는 미세먼지 측정 장치 및 방법
JP7249924B2 (ja) * 2019-10-23 2023-03-31 株式会社東芝 センサ及び検査装置
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JP7388996B2 (ja) 2020-09-03 2023-11-29 株式会社東芝 検査装置及び検査方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI725399B (zh) * 2018-03-26 2021-04-21 日商松下知識產權經營股份有限公司 煙感測系統、煙感測方法及程式
TWI848943B (zh) * 2018-03-28 2024-07-21 日商報知希股份有限公司 火災偵測設備
TWI749350B (zh) * 2018-08-10 2021-12-11 日商住友重機械工業股份有限公司 異常監視裝置、異常監視方法及異常監視程式產品

Also Published As

Publication number Publication date
WO2007132671A1 (ja) 2007-11-22
EP2034462A1 (en) 2009-03-11
US20090184830A1 (en) 2009-07-23
EP2034462A4 (en) 2011-05-18
CN101449304B (zh) 2011-05-11
TWI332643B (en) 2010-11-01
CN101449304A (zh) 2009-06-03
US8253578B2 (en) 2012-08-28

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