GB2017313A - System for monitoring methane concentration - Google Patents

System for monitoring methane concentration

Info

Publication number
GB2017313A
GB2017313A GB7909949A GB7909949A GB2017313A GB 2017313 A GB2017313 A GB 2017313A GB 7909949 A GB7909949 A GB 7909949A GB 7909949 A GB7909949 A GB 7909949A GB 2017313 A GB2017313 A GB 2017313A
Authority
GB
United Kingdom
Prior art keywords
circuit
series
recorders
control circuit
methane concentration
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.)
Granted
Application number
GB7909949A
Other versions
GB2017313B (en
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.)
OS BAD ROZWOJOWY SYST MECH
Original Assignee
OS BAD ROZWOJOWY SYST MECH
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 OS BAD ROZWOJOWY SYST MECH filed Critical OS BAD ROZWOJOWY SYST MECH
Publication of GB2017313A publication Critical patent/GB2017313A/en
Application granted granted Critical
Publication of GB2017313B publication Critical patent/GB2017313B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
    • G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Recording Measured Values (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

A modular telemetering system for monitoring methane concentration is arranged for operation in a mine which is endangered by the occurrence of this gas. The system permits the number of measuring channels to be readily altered to suit the current operational needs of the mine. It comprises control circuits 3-3n for a series of multi-channel stylus recorders 2-2n which are connected to an alarm circuit 1 and a system 7 of linear generators. The recorders 2-2n are connected to an automatic control circuit 10, which has its outputs connected to a sensing element interrogation circuit 9 controlling the inputs of a series of electro-optical tranducers 8-8n, and a pulse control circuit 6. The pulse control circuit 6 is connected to a timing circuit 5 and has its output connected to a series of automatic synchronization circuits 4-4n connected to inputs of the control circuits 3-3n of the recorders 2-2n. <IMAGE>
GB7909949A 1978-03-21 1979-03-21 System for monitoring methane concentration Expired GB2017313B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20550178A PL122880B1 (en) 1978-03-21 1978-03-21 Modular dispatcher's system, especially for methane concentration check

Publications (2)

Publication Number Publication Date
GB2017313A true GB2017313A (en) 1979-10-03
GB2017313B GB2017313B (en) 1982-10-06

Family

ID=19988215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909949A Expired GB2017313B (en) 1978-03-21 1979-03-21 System for monitoring methane concentration

Country Status (6)

Country Link
DE (1) DE2911153A1 (en)
FR (1) FR2420646A1 (en)
GB (1) GB2017313B (en)
PL (1) PL122880B1 (en)
SU (1) SU912054A3 (en)
YU (1) YU59279A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101922309B (en) * 2009-06-09 2012-11-14 公安部天津消防研究所 Method for preventing mine gas from exploding and implementation device thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006041570B4 (en) * 2006-09-05 2015-11-26 Marco Systemanalyse Und Entwicklung Gmbh Method for controlling a mining device, longwall construction for carrying out the method and control for such a longwall construction
CN103591041B (en) * 2013-11-30 2016-06-08 南阳防爆集团股份有限公司 Intelligent coal mine local ventilation system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2350461A1 (en) * 1976-05-03 1977-12-02 Midi Houilleres Provence Centr Fire-damp remote measuring equipment - has detectors connected to circuit comparing representative frequencies successively with threshold value

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101922309B (en) * 2009-06-09 2012-11-14 公安部天津消防研究所 Method for preventing mine gas from exploding and implementation device thereof

Also Published As

Publication number Publication date
YU59279A (en) 1982-10-31
GB2017313B (en) 1982-10-06
PL122880B1 (en) 1982-08-31
SU912054A3 (en) 1982-03-07
DE2911153A1 (en) 1979-10-11
FR2420646A1 (en) 1979-10-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee