DE69115956T2 - Detektor für abnormale Temperaturen in elektronischen Apparaten - Google Patents

Detektor für abnormale Temperaturen in elektronischen Apparaten

Info

Publication number
DE69115956T2
DE69115956T2 DE69115956T DE69115956T DE69115956T2 DE 69115956 T2 DE69115956 T2 DE 69115956T2 DE 69115956 T DE69115956 T DE 69115956T DE 69115956 T DE69115956 T DE 69115956T DE 69115956 T2 DE69115956 T2 DE 69115956T2
Authority
DE
Germany
Prior art keywords
electronic equipment
temperature detector
abnormal temperature
abnormal
detector
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.)
Expired - Fee Related
Application number
DE69115956T
Other languages
English (en)
Other versions
DE69115956D1 (de
Inventor
Kazuhiko Umezawa
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69115956D1 publication Critical patent/DE69115956D1/de
Publication of DE69115956T2 publication Critical patent/DE69115956T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
DE69115956T 1990-03-08 1991-03-08 Detektor für abnormale Temperaturen in elektronischen Apparaten Expired - Fee Related DE69115956T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2058601A JP2611481B2 (ja) 1990-03-08 1990-03-08 電子装置の温度異常検出回路

Publications (2)

Publication Number Publication Date
DE69115956D1 DE69115956D1 (de) 1996-02-15
DE69115956T2 true DE69115956T2 (de) 1996-05-23

Family

ID=13089035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115956T Expired - Fee Related DE69115956T2 (de) 1990-03-08 1991-03-08 Detektor für abnormale Temperaturen in elektronischen Apparaten

Country Status (4)

Country Link
US (1) US5079542A (de)
EP (1) EP0446061B1 (de)
JP (1) JP2611481B2 (de)
DE (1) DE69115956T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2826387B2 (ja) * 1991-02-26 1998-11-18 甲府日本電気株式会社 温度異常検出方式
GB2290179B (en) * 1994-06-08 1998-04-08 Ming Der Chiou Power control device
GB9510173D0 (en) * 1995-05-19 1995-07-12 Garrard David E Safety device for electric power distribution systems for buildings
GB2314700B (en) * 1996-06-27 2000-06-21 Motorola Ltd Method and apparatus for detecting overheating of printed circuit boards
US5714938A (en) * 1996-11-19 1998-02-03 Cae Electronics Ltd. Temperature protection device for air cooled electronics housing
US5925888A (en) * 1997-05-08 1999-07-20 Paragon Electric Company, Inc. Optocoupler input expansion circuit
US6072397A (en) * 1998-12-03 2000-06-06 Ascend Communications, Inc. Method and apparatus for reducing flame emissions from an electronics enclosure
US6646877B2 (en) * 2000-12-08 2003-11-11 Arthur G. Willers Cooling system
US6985083B2 (en) * 2002-04-24 2006-01-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Marking electrical wiring with condition indicators
US6838995B2 (en) * 2002-04-24 2005-01-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for anticipating problems with electrical wiring
CN100449901C (zh) * 2005-09-22 2009-01-07 华为技术有限公司 一种防止设备内部燃烧向外蔓延的装置
SE1000531A1 (sv) * 2010-05-19 2011-11-20 Virtual Market Ab Teknikbaserad affärs- och informationsmodell för övervakning av brandförlopp via Internet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2019937B2 (de) * 1970-04-24 1972-12-14 Hartmann & Braun Ag, 6000 Frankfurt Einrichtung zum schutz von in explosionsgefaehrdeten raeumen befindlichen verbrauchern und/oder messwertgebern
US4399428A (en) * 1978-03-02 1983-08-16 United Brands Company Thermostat
US4198562A (en) * 1978-08-22 1980-04-15 Fieldcrest Mills, Inc. Electrically heated bedcover with overheat protective circuit
US4611197A (en) * 1985-02-19 1986-09-09 Sansky Michael J Malfunction-detecting status monitoring system
JPS61165048U (de) * 1985-04-03 1986-10-13

Also Published As

Publication number Publication date
EP0446061A2 (de) 1991-09-11
EP0446061A3 (en) 1992-07-22
EP0446061B1 (de) 1996-01-03
US5079542A (en) 1992-01-07
JP2611481B2 (ja) 1997-05-21
JPH03257337A (ja) 1991-11-15
DE69115956D1 (de) 1996-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee