JPS62135698A - Broken-down fan detecting structure - Google Patents
Broken-down fan detecting structureInfo
- Publication number
- JPS62135698A JPS62135698A JP27721585A JP27721585A JPS62135698A JP S62135698 A JPS62135698 A JP S62135698A JP 27721585 A JP27721585 A JP 27721585A JP 27721585 A JP27721585 A JP 27721585A JP S62135698 A JPS62135698 A JP S62135698A
- Authority
- JP
- Japan
- Prior art keywords
- fan
- relay
- broken
- light emitting
- fans
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、故障ファン検出溝造、特に、電子機器類にお
ける複数の強制空冷用のファンの中で故障したファンを
特定できる故障ファン検出構造に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a fault fan detection structure, particularly a fault fan detection structure that can identify a faulty fan among a plurality of fans for forced air cooling in electronic equipment. Regarding.
近年、電子計算機等の電子機器は小型化し、かつ動作速
度の高速化に伴い、複数の集積回路パッケージ等の電子
部品を高密度に実装しでいる。In recent years, as electronic devices such as computers have become smaller and their operating speeds have increased, electronic components such as multiple integrated circuit packages have been mounted at high density.
そのため、機器内での電子部品の単位体積当りの発ｍ童
が増加している。この熱の除去のために第２図に示すよ
うな方法が用いられている。As a result, the number of children born per unit volume of electronic components in devices is increasing. A method as shown in FIG. 2 is used to remove this heat.
丁なわち、冷却用のファン４を複数個取り付けたファン
ボックス５を第２図に示す如く配置し、プリント回路基
板６上の集積回路パッケージ７エり生ずる熱を筺体８の
外に排出している。Specifically, a fan box 5 equipped with a plurality of cooling fans 4 is arranged as shown in FIG. There is.
ここで、ファンボックス５の中のファン４の故障による
集積回路パッケージ７の熱による破壊を防ぐために第３
図に示すような検出回路を用意し、ファンの故障を検出
した場合プリント回路基板６への給電を停止する等の処
置を行っている。丁なわち各ファン４に回転数が正常で
あるとメークし、回転数が基準以下となるとブレークす
るリレー１を用意し、これを例えばファンボックス５単
位で直列に結線し、または筐体単位に直列に結線し、ど
れかのファンが故障し回転数が低下すると、すレー１１
こよる閉回路がオープンとなることを検出回路９で、閉
回路を構成する一群のファン単位で検出し、プリント回
路基板６への給電を停止する等の処置を行っている。こ
の検出方法だと、どのンボックス５に通電する等の処置
を行い故障したファンを特定後交換せねばならず、保守
に多（の時間を必要とした。Here, in order to prevent the integrated circuit package 7 from being destroyed by heat due to failure of the fan 4 in the fan box 5, a third
A detection circuit as shown in the figure is prepared, and when a failure of the fan is detected, measures such as stopping the power supply to the printed circuit board 6 are taken. In other words, prepare a relay 1 that makes sure that the rotation speed is normal for each fan 4 and breaks it when the rotation speed falls below the standard, and connect this in series in units of fan boxes 5, or in units of casings. When wires are connected in series, if one of the fans fails and the rotation speed decreases, the
The detection circuit 9 detects that the closed circuit becomes open for each group of fans that constitute the closed circuit, and takes measures such as stopping the power supply to the printed circuit board 6. With this detection method, it was necessary to take measures such as turning on electricity to which fan box 5 to identify the failed fan and then replace it, which required a lot of time for maintenance.
近年、電子機器に対してはより高度の信頼性が要求され
ており、たとえ障害が生じても、より短；時間で復旧さ
せる必要が生じている。In recent years, electronic devices are required to have higher reliability, and even if a failure occurs, it is necessary to restore it in a shorter time.
〔発明が解決しようとする問題点３
丁なわち、上述した従来の故障ファン検出構造（１、検
出用の閉回路を構成する′ｙ、数台のファン単位でしか
、故障を検出できないため、故１窄したファンを特定す
るための作業が必要となり、障害発生時の保守復旧によ
り多くの時間を必要とする七いつ欠点があった。[Problems to be solved by the invention 3] In other words, the above-mentioned conventional failure fan detection structure (1) Since a failure can only be detected in units of several fans, This has the disadvantage that work is required to identify the fan that has become clogged, and more time is required for maintenance and recovery in the event of a failure.
本発明の故障ファン検出構造は、複数個のファンの回転
数異常検出用、ｌ） ＩＪシレーリレー接点に並列に発
光ダイオードを接続し、リレー接点および発光ダイオー
ドが各々直列となるように結線し、発光ダイオードの頭
方向に発光ダイオード用の遡源電圧を加えファンと、前
記リレー接点が駆動され、故障ファンのリレーに接続さ
れた発光ダイオードが点灯または消灯することで複数１
固りファンの中でいづ１れのファンが故障したかを直ち
に特定できるように構成される。The failure fan detection structure of the present invention is for detecting an abnormal rotation speed of a plurality of fans.l) A light emitting diode is connected in parallel to the IJ relay contact, and the relay contact and the light emitting diode are connected in series, and the light emitting A trace voltage for the light emitting diode is applied in the direction of the head of the diode to drive the fan and the relay contact, and the light emitting diode connected to the relay of the faulty fan turns on or off, causing multiple 1
The configuration is such that it is possible to immediately identify which fan among the stuck fans has failed.
次に、本発明の実症例について図面を用いて説明する。 Next, an actual case of the present invention will be explained using the drawings.
第１図は本発明の一笑蒐例を示す回路図である。FIG. 1 is a circuit diagram showing one embodiment of the present invention.
第１図に示す故障ファン検出構造は、リレー１と、発光
ダイオード２とを含んで構成される。The failure fan detection structure shown in FIG. 1 includes a relay 1 and a light emitting diode 2. The failure fan detection structure shown in FIG.
ファンに付属している回転数異常検出用のＩＪ Ｌ／−
１は、各リレー接点が直列に結線されて８つ、ファンの
回転数が正常だとメーク、基準以下の回転数となるとブ
レークとなる。故障ファン指示用の発光ダイオード２は
リレー１に並列、かつ発光ダイオード２は直列に結線さ
れており第２図中のファンボックス５の前面パネルの見
やすい位置に用意されている。電流制限用の抵抗３は、
給゛鑞端子１０エリ発光光ダイオード２に給電している
。IJ L/- for detecting abnormal rotation speed attached to the fan
In case 1, each relay contact is connected in series, and it becomes a make when the fan rotation speed is normal, and a break when the rotation speed is below the standard. A light emitting diode 2 for indicating a failed fan is connected in parallel to the relay 1 and in series, and is provided at an easily visible position on the front panel of the fan box 5 in FIG. The current limiting resistor 3 is
Power is supplied to the light emitting diode 2 through the feeder terminal 10.
リレー１は正常回転時はメークしているのであるから全
てのファン４が正常な場合は発光ダイオードＤ１・・・
Ｄｎは、アノード、カソード間の電圧がＯＶとなり全て
点灯しない。いずれかの７７ンまたは複数のファンが故
障してリレー１がブレークすると、そのリレー１に接続
されている発光ダイオード２が点灯し故障したファン４
を特定できることになる。Relay 1 is on during normal rotation, so if all fans 4 are normal, light emitting diode D1...
In Dn, the voltage between the anode and the cathode becomes OV, so none of them light up. When one or more of the fans fails and relay 1 breaks, the light emitting diode 2 connected to that relay 1 lights up and the failed fan 4
can be identified.
よって故障が生じたときと同時に故障したファン４を特
定することが可能となり、復旧、保守に要する時間の短
縮を計ることが可能となる。Therefore, it becomes possible to identify the failed fan 4 at the same time as the failure occurs, and it becomes possible to shorten the time required for restoration and maintenance.
なお、上述の実施例では正常回転時にメークするリレー
を用いているが、正常回転時にブレークするリレーを用
いてもよい。In addition, although the above-mentioned embodiment uses a relay that closes during normal rotation, a relay that breaks during normal rotation may be used.
本発明の故障ファン検出構造は、回転数異常検出用のリ
レーと並列に発光ダイオードを挿入したため、複数のフ
ァンの内、故障したファンを故障発生時に直ちに特定で
き、障害発生時に迅速に保守、復旧ができるという効果
がある。The failure fan detection structure of the present invention has a light emitting diode inserted in parallel with a relay for detecting abnormal rotation speed, so that a failed fan among multiple fans can be immediately identified when a failure occurs, and maintenance and recovery can be carried out quickly when a failure occurs. It has the effect of being able to.
第１図は本発明の一実施例を示す回路図、第２図は本発
明および従来の故障ファン検出構造を用いた電子機器の
冷却構造の一例を示ｊ概略図、第３図は従来の一例を示
す回路図である。
１・・・・・・リレー、２・−・・・・発光ダイオード
、３・・・・・・抵抗、４・・・・・・ファン、５・・
・パ・ファンボックス、６・・・・・・プリント回路基
板、７・・・・・・集積回路パッケージ、８・・・・・
・！体、９・・・・・・故障検出回路、１０・・・・・
・給電端子。
牛２ 口FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a schematic diagram showing an example of a cooling structure for electronic equipment using the present invention and a conventional failure fan detection structure, and FIG. FIG. 2 is a circuit diagram showing an example. 1... Relay, 2... Light emitting diode, 3... Resistor, 4... Fan, 5...
・Pafan box, 6...Printed circuit board, 7...Integrated circuit package, 8...
・! Body, 9... Failure detection circuit, 10...
・Power supply terminal. 2 cows
Claims (1)
記リレーの接点に並列にそれぞれ接続した順方向に電源
電圧を加えられファン故障時に前記リレー接点が駆動さ
れることにより点灯または消灯する複数の発光ダイオー
ドとを含むことを特徴とする故障ファン検出構造。A plurality of fans each having a relay for detecting abnormal rotation speed, and a plurality of fans connected in parallel to the contacts of the relays, each of which is supplied with a power supply voltage in the forward direction and turns on or off by driving the relay contacts when the fan fails. A failure fan detection structure comprising a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27721585A JPS62135698A (en) | 1985-12-09 | 1985-12-09 | Broken-down fan detecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27721585A JPS62135698A (en) | 1985-12-09 | 1985-12-09 | Broken-down fan detecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62135698A true JPS62135698A (en) | 1987-06-18 |
Family
ID=17580415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27721585A Pending JPS62135698A (en) | 1985-12-09 | 1985-12-09 | Broken-down fan detecting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62135698A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54115407A (en) * | 1978-02-28 | 1979-09-08 | Mitsubishi Electric Corp | Method of detecting abnormal conditions of fans |
| JPS57199417A (en) * | 1981-05-29 | 1982-12-07 | Mitsubishi Electric Corp | Operation detector for protective switch |
-
1985
- 1985-12-09 JP JP27721585A patent/JPS62135698A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54115407A (en) * | 1978-02-28 | 1979-09-08 | Mitsubishi Electric Corp | Method of detecting abnormal conditions of fans |
| JPS57199417A (en) * | 1981-05-29 | 1982-12-07 | Mitsubishi Electric Corp | Operation detector for protective switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2006210219A (en) | Lighting control circuit of vehicular lighting fixture | |
| US9312793B2 (en) | Brake control circuit and motor system | |
| CN109661857A (en) | Lamps apparatus for vehicle control device | |
| JPS62135698A (en) | Broken-down fan detecting structure | |
| JP2014150238A (en) | Light-emitting device and control method of the same | |
| US20230374942A1 (en) | Engine starter circuits | |
| JPH09148035A (en) | Sensing device for connector being mounted/demounted | |
| US8665576B2 (en) | Fuse circuits | |
| JP2008226619A (en) | Fail safe output circuit having relay failure detection function | |
| JPH07321427A (en) | Safety device of printed-wiring board | |
| JPH05292791A (en) | Failure detector for fan | |
| JPS62135697A (en) | Broken-down fan detecting structure | |
| JP3846363B2 (en) | Electronic device provided with overvoltage protection circuit, and overvoltage protection circuit and method | |
| JP4102615B2 (en) | Signal lamp disconnection detection circuit | |
| JPH0212802A (en) | Bypass capacitor | |
| JPH06105459A (en) | Alarm issuing circuit of package mounting on-board power supply | |
| US20200233476A1 (en) | Computer system and system board | |
| JPH06112865A (en) | Power supply interruption system for redundant configuration equipment | |
| JP2552541Y2 (en) | Numeric display | |
| JP2004042906A (en) | Parallel output type electronic interlocking system furnished with fail safe majority logic circuit | |
| JP2002164682A (en) | Fan controller | |
| JPH0594381A (en) | Redundant circuit system | |
| JPH06350092A (en) | High-reliability integrated circuit structure for mos power device | |
| JPH08191036A (en) | Diode built-in polarized capacitor and detecting method of connection state thereof | |
| KR102434044B1 (en) | LED failure warning apparatus |