DE2134563A1 - Rauchdetektor zum optischen Ermitteln von durch Verbrennung erzeugten Aerosolen - Google Patents

Rauchdetektor zum optischen Ermitteln von durch Verbrennung erzeugten Aerosolen

Info

Publication number
DE2134563A1
DE2134563A1 DE19712134563 DE2134563A DE2134563A1 DE 2134563 A1 DE2134563 A1 DE 2134563A1 DE 19712134563 DE19712134563 DE 19712134563 DE 2134563 A DE2134563 A DE 2134563A DE 2134563 A1 DE2134563 A1 DE 2134563A1
Authority
DE
Germany
Prior art keywords
light
aerosols
smoke detector
chamber
display device
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
DE19712134563
Other languages
German (de)
English (en)
Inventor
Erik Gustaf Stockholm Lindgren
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE2134563A1 publication Critical patent/DE2134563A1/de
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
    • G01N21/47—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
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
    • G05D23/08—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature with bimetallic element
    • 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

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Outer Garments And Coats (AREA)
DE19712134563 1970-07-24 1971-07-06 Rauchdetektor zum optischen Ermitteln von durch Verbrennung erzeugten Aerosolen Pending DE2134563A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE10237/70A SE335080B (enrdf_load_stackoverflow) 1970-07-24 1970-07-24

Publications (1)

Publication Number Publication Date
DE2134563A1 true DE2134563A1 (de) 1972-01-27

Family

ID=20291970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712134563 Pending DE2134563A1 (de) 1970-07-24 1971-07-06 Rauchdetektor zum optischen Ermitteln von durch Verbrennung erzeugten Aerosolen

Country Status (8)

Country Link
CH (1) CH539902A (enrdf_load_stackoverflow)
DE (1) DE2134563A1 (enrdf_load_stackoverflow)
DK (1) DK127616B (enrdf_load_stackoverflow)
FI (1) FI53521C (enrdf_load_stackoverflow)
FR (1) FR2104804B1 (enrdf_load_stackoverflow)
GB (1) GB1342266A (enrdf_load_stackoverflow)
NO (1) NO126936B (enrdf_load_stackoverflow)
SE (1) SE335080B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714130A1 (de) * 1976-04-15 1977-10-27 Ericsson Telefon Ab L M Optischer feuerdetektor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005404A (en) * 1977-09-26 1979-04-19 Bendix Corp "Dust Monitor"
GB2272760A (en) * 1992-11-20 1994-05-25 Thorn Security Optical detection of combustion products
CN107991236B (zh) * 2017-12-04 2020-08-25 华北电力大学（保定） 微生物气溶胶检测装置
CN114018853B (zh) * 2021-11-24 2024-03-26 青岛崂应海纳光电环保集团有限公司 光度计气室及气体分析模块

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE494410A (enrdf_load_stackoverflow) *
GB715519A (en) * 1952-08-13 1954-09-15 Kidde Walter Co Ltd Method and apparatus for detection of smoke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714130A1 (de) * 1976-04-15 1977-10-27 Ericsson Telefon Ab L M Optischer feuerdetektor

Also Published As

Publication number Publication date
DK127616B (da) 1973-12-03
FR2104804B1 (enrdf_load_stackoverflow) 1975-07-11
FI53521C (fi) 1978-05-10
FR2104804A1 (enrdf_load_stackoverflow) 1972-04-21
GB1342266A (en) 1974-01-03
NO126936B (enrdf_load_stackoverflow) 1973-04-09
SE335080B (enrdf_load_stackoverflow) 1971-05-10
CH539902A (de) 1973-07-31
FI53521B (enrdf_load_stackoverflow) 1978-01-31

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination