KR850001585A - 연기 탐지장치 - Google Patents

연기 탐지장치 Download PDF

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Publication number
KR850001585A
KR850001585A KR1019840004830A KR840004830A KR850001585A KR 850001585 A KR850001585 A KR 850001585A KR 1019840004830 A KR1019840004830 A KR 1019840004830A KR 840004830 A KR840004830 A KR 840004830A KR 850001585 A KR850001585 A KR 850001585A
Authority
KR
South Korea
Prior art keywords
sampling chamber
output
light
gain
stage
Prior art date
Application number
KR1019840004830A
Other languages
English (en)
Other versions
KR950002498B1 (ko
Inventor
테렌스 콜 마틴
Original Assignee
테렌스 콜 마틴
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
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Application filed by 테렌스 콜 마틴 filed Critical 테렌스 콜 마틴
Publication of KR850001585A publication Critical patent/KR850001585A/ko
Application granted granted Critical
Publication of KR950002498B1 publication Critical patent/KR950002498B1/ko

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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
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • 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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Amplifiers (AREA)
  • Measurement Of Radiation (AREA)

Abstract

내용 없음

Description

연기 탐지장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 셀과 보상증폭회로를 보인 블럭다이아그램.

Claims (8)

  1. 낮은 광도에서 감응하고, 임피던스 정합버퍼, 이득제어 증폭단과 출력 증폭단에 연결된 솔리드-스테이트 포로셀과, 출력단으로 부터의 증폭된 신호를 수신하기 위하여 온도강지기에 의하여 제어되고 이득이 포로셀신호의 온도종속을 보상하도록 조절되는 이득제어회로로 구성됨을 특징으로 하는 바의 광탐지장치.
  2. 청구범위 제1항에 있어서, 솔리드-스테이트 포로셀이 제로바이어스 광전방식으로 작동케 되어 최되 신호대 잡음비를 갖는 극히 높은 감도를 갖는 바의 광탐지장치.
  3. 청구범위 제2항에 있어서, 온도감지기와 포로다이오드가 이들 두 구성사이의 온도 차이를 최소로 줄이기 위하여 등온 영역내에 배치배는 바의 광탐지장치.
  4. 청구범위 제2항 또는 3항에 있어서, 온도감지기와 이득제어회로 조합으로 부터의 출력이 포토다이오드셀의 비직선성에 반비례하는 비직선형으로서 셀의 온도종속이 배제되는 바의 광탐지장치.
  5. 청구범위 제1항, 2항 또는 3항에 있어서, 전위필터 회로가 회로의 어느 단으로든지 잡음이 끼어드는 것을 방지하도록 제공된 바의 광탐지장치.
  6. 청구범위 제1항, 2항 또는 3항에 있어서, 원격한 장소로부터 표본 채취된 공기를 받아들일 수 있다 관상의 표본채취실, 이 표본채취실의 일측단에 착설된 광탐지기, 표본 채취실로 광선을 조사하는 광원과, 표본채취실의 타측단부에 착설된 광선흡수 수단으로 구성된 바의 연기탐지장치.
  7. 청구범위 제6항에 있어서, 표본채취실이 광원의 양측에서 표본 공기를 받아들이고 배출하는 바의 연기탐지장치.
  8. 청구범위 제7항에 있어서, 표본채취실이 이를 표본공기에 연통되게 하는 연결수단을 제외하고는 밀폐된 바의 연기탐지장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840004830A 1983-08-12 1984-08-11 연기탐지장치 KR950002498B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG0820/83 1983-08-12
AUPG082083 1983-08-12

Publications (2)

Publication Number Publication Date
KR850001585A true KR850001585A (ko) 1985-03-30
KR950002498B1 KR950002498B1 (ko) 1995-03-20

Family

ID=3770281

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840004830A KR950002498B1 (ko) 1983-08-12 1984-08-11 연기탐지장치

Country Status (9)

Country Link
US (1) US4665311A (ko)
EP (1) EP0140502B1 (ko)
JP (1) JPS60100022A (ko)
KR (1) KR950002498B1 (ko)
AT (1) ATE48044T1 (ko)
AU (1) AU573243B2 (ko)
CA (1) CA1252172A (ko)
DE (1) DE3480500D1 (ko)
NZ (1) NZ209184A (ko)

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Also Published As

Publication number Publication date
ATE48044T1 (de) 1989-12-15
CA1252172A (en) 1989-04-04
EP0140502A1 (en) 1985-05-08
EP0140502B1 (en) 1989-11-15
JPS60100022A (ja) 1985-06-03
AU573243B2 (en) 1988-06-02
NZ209184A (en) 1988-07-28
JPH0449645B2 (ko) 1992-08-12
KR950002498B1 (ko) 1995-03-20
AU3184184A (en) 1985-02-14
US4665311A (en) 1987-05-12
DE3480500D1 (en) 1989-12-21

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