JPS56100356A - Ionization type smoke sensor - Google Patents

Ionization type smoke sensor

Info

Publication number
JPS56100356A
JPS56100356A JP272980A JP272980A JPS56100356A JP S56100356 A JPS56100356 A JP S56100356A JP 272980 A JP272980 A JP 272980A JP 272980 A JP272980 A JP 272980A JP S56100356 A JPS56100356 A JP S56100356A
Authority
JP
Japan
Prior art keywords
room
smoke
forming
ionization type
smoke sensor
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
JP272980A
Other languages
Japanese (ja)
Other versions
JPS646409B2 (en
Inventor
Tsunehiko Araki
Yoshihiko Okuda
Shigeki Shimomura
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.)
Panasonic Electric Works Co Ltd
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
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP272980A priority Critical patent/JPS56100356A/en
Publication of JPS56100356A publication Critical patent/JPS56100356A/en
Publication of JPS646409B2 publication Critical patent/JPS646409B2/ja
Granted legal-status Critical Current

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
    • 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

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

PURPOSE:To improve the response ability to smoke, by forming a projected part on the bottom part of a bottomed cylindrical electrode forming an ion room. CONSTITUTION:The conical projected part 11 is formed on the bottom part 10 of the bottomed cylindrical electrode 9 forming the ion room A' of ionization type smoke sensor and is arranged to face oppositely the electrode 4 by thus construction, the response ability is improved because the smoke entered in the sensor proceeds toward upward in the room A' shown by the arrow mark P and said smoke is uniformly and rapidly spread in the room A'.
JP272980A 1980-01-14 1980-01-14 Ionization type smoke sensor Granted JPS56100356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP272980A JPS56100356A (en) 1980-01-14 1980-01-14 Ionization type smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP272980A JPS56100356A (en) 1980-01-14 1980-01-14 Ionization type smoke sensor

Publications (2)

Publication Number Publication Date
JPS56100356A true JPS56100356A (en) 1981-08-12
JPS646409B2 JPS646409B2 (en) 1989-02-03

Family

ID=11537396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP272980A Granted JPS56100356A (en) 1980-01-14 1980-01-14 Ionization type smoke sensor

Country Status (1)

Country Link
JP (1) JPS56100356A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5075093A (en) * 1973-10-25 1975-06-20
JPS50124384U (en) * 1974-03-26 1975-10-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5075093A (en) * 1973-10-25 1975-06-20
JPS50124384U (en) * 1974-03-26 1975-10-11

Also Published As

Publication number Publication date
JPS646409B2 (en) 1989-02-03

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