JPS5855770A - フアン障害検出方法 - Google Patents

フアン障害検出方法

Info

Publication number
JPS5855770A
JPS5855770A JP56154626A JP15462681A JPS5855770A JP S5855770 A JPS5855770 A JP S5855770A JP 56154626 A JP56154626 A JP 56154626A JP 15462681 A JP15462681 A JP 15462681A JP S5855770 A JPS5855770 A JP S5855770A
Authority
JP
Japan
Prior art keywords
fan
current
detector
trouble
driving
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
JP56154626A
Other languages
English (en)
Inventor
Akihiko Murao
村尾　明彦
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56154626A priority Critical patent/JPS5855770A/ja
Publication of JPS5855770A publication Critical patent/JPS5855770A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、電子装置等の冷却に用いられるファンの障害
を検出する方法に関する。
従来、電子装置の冷却を行なうためυファンの障害は冷
却される装置に温にセンサを取付け、ファンが故障して
回転数が低下した９回転が停止した場合に装置の温ｋが
上昇することを検出してアラームを出してい九〇 しかし、Ｘ子装置に収付けΦような温度センサの故障が
多くま九、ファンの故障発生から装置の温度が上昇する
までに時間遅れがあって早期にファンの故障ｔ−検出す
ることができなかった。
本発明は、従来のこのような欠点を解消して確実に、か
つ迅速にファンの障害を検出器ゐことができる方法を提
案することｔ目的とする。
このような目的は、２＄：発明によりファン會駆動する
駆動電流を検出し検出値が所定範囲管外れた時に該ファ
ンの障害とすることにより達成される。
以下１図面を用いて本発明の一実施例を説明するＯ 本実施例では、ファン１會駆動する電源２とファン１と
の間に電流検出器３を設ける。このＩＥ電流検出器、一
般に電流針の原理に基づくものである。このような構成
に１９．電流検出器３ににファン１ｔｌＫｍする電流が
流れるので予め電流値の正常範囲を設定しておくことに
より、ファン１に障害が発生して回転数の低下や回転停
止が生ずると電流値が上記正常範囲管外れるので、これ
ｔ検出してアラーム信号ムＬＭｔ−制御装置例えばコン
ビ具−夕のＣＰＵＫ送出する。
以上説明したように１本発明によればファン【駆動する
電流ｔ−直接歓視しているので、ファンの障害を確実に
かつ迅速に検出することができる〇
【図面の簡単な説明】
図は、不発明の一実施例全説明丁、６几めの図であ６゜

Claims (1)

    【特許請求の範囲】
  1. ファンを駆動する駆動電流を検出し、検出値が所定範囲
    を外れた時に該ファンの障害とすることｔ特徴とするフ
    ァンの障害検出方法。
JP56154626A 1981-09-29 1981-09-29 フアン障害検出方法 Pending JPS5855770A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56154626A JPS5855770A (ja) 1981-09-29 1981-09-29 フアン障害検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56154626A JPS5855770A (ja) 1981-09-29 1981-09-29 フアン障害検出方法

Publications (1)

Publication Number Publication Date
JPS5855770A true JPS5855770A (ja) 1983-04-02

Family

ID=15588293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56154626A Pending JPS5855770A (ja) 1981-09-29 1981-09-29 フアン障害検出方法

Country Status (1)

Country Link
JP (1) JPS5855770A (ja)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4977375A (en) * 1989-01-18 1990-12-11 Northern Telecom Limited Fan operating status sensing circuit
US9154222B2 (en) 2012-07-31 2015-10-06 Corning Optical Communications LLC Cooling system control in distributed antenna systems
US9419712B2 (en) 2010-10-13 2016-08-16 Ccs Technology, Inc. Power management for remote antenna units in distributed antenna systems
US9497706B2 (en) 2013-02-20 2016-11-15 Corning Optical Communications Wireless Ltd Power management in distributed antenna systems (DASs), and related components, systems, and methods
US9509133B2 (en) 2014-06-27 2016-11-29 Corning Optical Communications Wireless Ltd Protection of distributed antenna systems
US9653861B2 (en) 2014-09-17 2017-05-16 Corning Optical Communications Wireless Ltd Interconnection of hardware components
US9685782B2 (en) 2010-11-24 2017-06-20 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for distributed antenna systems, and related power units, components, and methods
US9699723B2 (en) 2010-10-13 2017-07-04 Ccs Technology, Inc. Local power management for remote antenna units in distributed antenna systems
US9785175B2 (en) 2015-03-27 2017-10-10 Corning Optical Communications Wireless, Ltd. Combining power from electrically isolated power paths for powering remote units in a distributed antenna system(s) (DASs)
US10257056B2 (en) 2012-11-28 2019-04-09 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US10455497B2 (en) 2013-11-26 2019-10-22 Corning Optical Communications LLC Selective activation of communications services on power-up of a remote unit(s) in a wireless communication system (WCS) based on power consumption
US10992484B2 (en) 2013-08-28 2021-04-27 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US11296504B2 (en) 2010-11-24 2022-04-05 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for wireless communication systems, and related power units, components, and methods

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4977375A (en) * 1989-01-18 1990-12-11 Northern Telecom Limited Fan operating status sensing circuit
US10425891B2 (en) 2010-10-13 2019-09-24 Corning Optical Communications LLC Power management for remote antenna units in distributed antenna systems
US10104610B2 (en) 2010-10-13 2018-10-16 Corning Optical Communications LLC Local power management for remote antenna units in distributed antenna systems
US10420025B2 (en) 2010-10-13 2019-09-17 Corning Optical Communications LLC Local power management for remote antenna units in distributed antenna systems
US11671914B2 (en) 2010-10-13 2023-06-06 Corning Optical Communications LLC Power management for remote antenna units in distributed antenna systems
US11178609B2 (en) 2010-10-13 2021-11-16 Corning Optical Communications LLC Power management for remote antenna units in distributed antenna systems
US11212745B2 (en) 2010-10-13 2021-12-28 Corning Optical Communications LLC Power management for remote antenna units in distributed antenna systems
US9699723B2 (en) 2010-10-13 2017-07-04 Ccs Technology, Inc. Local power management for remote antenna units in distributed antenna systems
US9419712B2 (en) 2010-10-13 2016-08-16 Ccs Technology, Inc. Power management for remote antenna units in distributed antenna systems
US11224014B2 (en) 2010-10-13 2022-01-11 Corning Optical Communications LLC Power management for remote antenna units in distributed antenna systems
US10045288B2 (en) 2010-10-13 2018-08-07 Corning Optical Communications LLC Power management for remote antenna units in distributed antenna systems
US10454270B2 (en) 2010-11-24 2019-10-22 Corning Optical Communicatons LLC Power distribution module(s) capable of hot connection and/or disconnection for wireless communication systems, and related power units, components, and methods
US9685782B2 (en) 2010-11-24 2017-06-20 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for distributed antenna systems, and related power units, components, and methods
US11715949B2 (en) 2010-11-24 2023-08-01 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for wireless communication systems, and related power units, components, and methods
US11296504B2 (en) 2010-11-24 2022-04-05 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for wireless communication systems, and related power units, components, and methods
US11114852B2 (en) 2010-11-24 2021-09-07 Corning Optical Communications LLC Power distribution module(s) capable of hot connection and/or disconnection for wireless communication systems, and related power units, components, and methods
US9729251B2 (en) 2012-07-31 2017-08-08 Corning Optical Communications LLC Cooling system control in distributed antenna systems
US9154222B2 (en) 2012-07-31 2015-10-06 Corning Optical Communications LLC Cooling system control in distributed antenna systems
US10530670B2 (en) 2012-11-28 2020-01-07 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US10999166B2 (en) 2012-11-28 2021-05-04 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US11665069B2 (en) 2012-11-28 2023-05-30 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US10257056B2 (en) 2012-11-28 2019-04-09 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US9497706B2 (en) 2013-02-20 2016-11-15 Corning Optical Communications Wireless Ltd Power management in distributed antenna systems (DASs), and related components, systems, and methods
US10992484B2 (en) 2013-08-28 2021-04-27 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US11516030B2 (en) 2013-08-28 2022-11-29 Corning Optical Communications LLC Power management for distributed communication systems, and related components, systems, and methods
US10455497B2 (en) 2013-11-26 2019-10-22 Corning Optical Communications LLC Selective activation of communications services on power-up of a remote unit(s) in a wireless communication system (WCS) based on power consumption
US9509133B2 (en) 2014-06-27 2016-11-29 Corning Optical Communications Wireless Ltd Protection of distributed antenna systems
US9653861B2 (en) 2014-09-17 2017-05-16 Corning Optical Communications Wireless Ltd Interconnection of hardware components
US9785175B2 (en) 2015-03-27 2017-10-10 Corning Optical Communications Wireless, Ltd. Combining power from electrically isolated power paths for powering remote units in a distributed antenna system(s) (DASs)

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