NL8104198A - Gasdetector. - Google Patents

Gasdetector. Download PDF

Info

Publication number
NL8104198A
NL8104198A NL8104198A NL8104198A NL8104198A NL 8104198 A NL8104198 A NL 8104198A NL 8104198 A NL8104198 A NL 8104198A NL 8104198 A NL8104198 A NL 8104198A NL 8104198 A NL8104198 A NL 8104198A
Authority
NL
Netherlands
Prior art keywords
gas
oxide
sensing element
target
comparator
Prior art date
Application number
NL8104198A
Other languages
English (en)
Dutch (nl)
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 JP12776480A external-priority patent/JPS5752850A/ja
Priority claimed from JP14975980A external-priority patent/JPS5773661A/ja
Priority claimed from JP14976080A external-priority patent/JPS5773662A/ja
Priority claimed from JP16489180A external-priority patent/JPS5788356A/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of NL8104198A publication Critical patent/NL8104198A/nl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
NL8104198A 1980-09-13 1981-09-11 Gasdetector. NL8104198A (nl)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP12776480 1980-09-13
JP12776480A JPS5752850A (en) 1980-09-13 1980-09-13 Gas leakage warning device
JP14975980A JPS5773661A (en) 1980-10-25 1980-10-25 Sensing element for combustible gas
JP14975980 1980-10-25
JP14976080A JPS5773662A (en) 1980-10-25 1980-10-25 Sensing element for combustible gas
JP14976080 1980-10-25
JP16489180A JPS5788356A (en) 1980-11-21 1980-11-21 Alarm device for gas leakage
JP16489180 1980-11-21

Publications (1)

Publication Number Publication Date
NL8104198A true NL8104198A (nl) 1982-04-01

Family

ID=27471330

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104198A NL8104198A (nl) 1980-09-13 1981-09-11 Gasdetector.

Country Status (4)

Country Link
DE (1) DE3136034A1 (enrdf_load_stackoverflow)
GB (1) GB2086583B (enrdf_load_stackoverflow)
NL (1) NL8104198A (enrdf_load_stackoverflow)
SE (1) SE8105260L (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3377738D1 (en) * 1982-08-27 1988-09-22 Toshiba Kk Co gas detecting device and circuit for driving the same
JPS6170449A (ja) * 1984-09-13 1986-04-11 Toshiba Corp ガス検知素子
DE3435874A1 (de) * 1984-09-29 1986-04-03 Horst Dipl.-Ing. 2000 Hamburg Krauleidies Verfahren und anordnung zur ueberwachung der fremdgaskonzentration in einem gasfoermigen traegermedium
DE3739406A1 (de) * 1987-11-20 1989-06-01 Siemens Ag Verfahren zum betrieb einer sensoranordnung zur erkennung von gasen
DE4334954A1 (de) * 1993-10-14 1995-06-29 Theo Bender Leckgasüberwachungssystem für Erdgas
DE19536719C2 (de) * 1995-09-30 1997-09-11 Dresden Ev Inst Festkoerper Wasserstoffsensitives Bauelement
US5908600A (en) * 1996-07-23 1999-06-01 Apl Group International, Llc Monitor for detecting hydrocarbons and other gases in an open area
RU2124719C1 (ru) * 1997-11-12 1999-01-10 Вологодский Политехнический Институт Устройство для измерения концентрации аммиака
DE19938280C1 (de) * 1999-08-12 2001-03-15 Draeger Sicherheitstech Gmbh Verfahren zur Verbesserung der Betriebssicherheit von optischen Gassensoren
CN107543845B (zh) * 2016-06-23 2020-05-26 华邦电子股份有限公司 气体感测器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479257A (en) * 1966-11-25 1969-11-18 Gen Electric Methods and apparatus for measuring the content of hydrogen or reducing gases in an atmosphere
JPS5023317B1 (enrdf_load_stackoverflow) * 1969-12-19 1975-08-06
US3835529A (en) * 1970-09-23 1974-09-17 N Taguchi Gas detecting device and method of making same
US3732519A (en) * 1970-09-23 1973-05-08 N Taguchi Semiconductor gas detecting device
US4219806A (en) * 1978-09-15 1980-08-26 American District Telegraph Company Dual alarm gas detector

Also Published As

Publication number Publication date
GB2086583A (en) 1982-05-12
DE3136034A1 (de) 1982-09-09
SE8105260L (sv) 1982-03-14
DE3136034C2 (enrdf_load_stackoverflow) 1988-05-05
GB2086583B (en) 1985-06-12

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed