JPH0281396A - Disk device - Google Patents
Disk deviceInfo
- Publication number
- JPH0281396A JPH0281396A JP63232334A JP23233488A JPH0281396A JP H0281396 A JPH0281396 A JP H0281396A JP 63232334 A JP63232334 A JP 63232334A JP 23233488 A JP23233488 A JP 23233488A JP H0281396 A JPH0281396 A JP H0281396A
- Authority
- JP
- Japan
- Prior art keywords
- positive
- fan
- power source
- negative voltage
- filter
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 235000003976 Ruta Nutrition 0.000 description 1
- 240000005746 Ruta graveolens Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000005806 ruta Nutrition 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、装置内冷却用ファン及び防塵用フィルタを有
するディスク装置におけるフィルタ付着塵埃の自動除去
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to automatic removal of dust adhering to a filter in a disk device having an internal cooling fan and a dustproof filter.
従来の装置は、特開昭６０−１８３６２３号公報に記載
のように、防塵用フィルタの目づまりを装置内に設けた
温度検出器により監視し、フィルタ目づまりによる風量
低下、即ち装置内温度の上昇を前記温度検出器にて検出
して、環視盤に警告表示し、保守員等によるフィルタ清
掃又は交換を促していた。As described in Japanese Unexamined Patent Publication No. 183623/1983, conventional devices monitor clogging of the dustproof filter using a temperature detector installed inside the device, and detect a decrease in air volume due to filter clogging, that is, an increase in the temperature inside the device. is detected by the temperature detector, and a warning is displayed on the inspection panel to urge maintenance personnel to clean or replace the filter.
上記従来技術は、フィルタの無保守化の点について配慮
がされておらず、フィルタ目づまり時は装置内温度検出
器による監視盤への装置内温度上昇警告表示に基づく保
守員等のフィルタ清掃、交換等の保守を必要とする問題
があった。The above conventional technology does not take into account the need for maintenance-free filters, and when the filter becomes clogged, maintenance personnel or the like must clean the filter based on a warning display of a rise in the temperature inside the device on the monitoring panel by the temperature sensor inside the device. There were problems that required maintenance such as replacement.
本発明の目的は、フィルタの無保守化を実現したディス
ク装置を提供することにある。An object of the present invention is to provide a disk device that requires no maintenance of filters.
上記目的を達成する為に、装置内冷却用ファンとして、
ブラシモータ使用等の正逆転両用ＤＣファンを用い、装
置電源投入時、装置内電源回路により自動的に所定時間
のみ前記正逆転両用ＤＣファンを逆転させるものである
。In order to achieve the above purpose, as a cooling fan inside the device,
A forward/reverse DC fan using a brush motor or the like is used, and when the device is powered on, the power circuit in the device automatically reverses the forward/reverse DC fan for a predetermined period of time.
装置内冷却用のブラシモータ等を使用した正逆転両用Ｄ
Ｃファンは、装置電源投入時、装置内電源回路により自
動的に所定時間のみ逆転する。それによって、装置内空
気流は定常運転中とは逆方向に流れ、定常運転中に防塵
用フィルタに付着した塵埃は自動的に除去される為、フ
ィルタが目づまりすることはない。Forward and reverse use D using a brush motor etc. for cooling inside the device
When the device is powered on, the C fan is automatically reversed for a predetermined period of time by the device's internal power supply circuit. As a result, the airflow within the device flows in the opposite direction to that during steady operation, and the dust that adheres to the dustproof filter during steady operation is automatically removed, so that the filter does not become clogged.
以下、本発明の一実施例を第１図により説明する。 An embodiment of the present invention will be described below with reference to FIG.
ディスク装置１には、情報書込み／読出し部であるＨＤ
Ａ／駆動回路部２、ＨＤＡ／駆動回路部２を保持し、冷
却時に冷却風をＨＤＡ／駆動回路部２近傍にガイドする
為のダクト（ＨＤＡ））３、ＨＤ Ａ ／駆動回路部２
への冷却風送風の為にガイド（ＨＤＡ）３に取付けられ
たブラシモータ等を使用した正逆転両用ＤＣファン４が
、１個又は複数個実装されている。ディスク装置１には
更に、電源回路部５、冷却風取入口を持つリアドア８゜
冷却後の暖気排出口を持つフロントドア１１、電源投入
スイッチ１２が取付けられている。The disk device 1 includes an HD which is an information writing/reading section.
A/drive circuit section 2, HDA/drive circuit section 2 and a duct (HDA) for holding the HDA/drive circuit section 2 and guiding cooling air near the HDA/drive circuit section 2 during cooling (HDA) 3, HDA/drive circuit section 2
One or more forward/reverse DC fans 4 using a brush motor or the like attached to a guide (HDA) 3 are mounted to blow cooling air to. The disk device 1 is further provided with a power supply circuit section 5, a rear door 8 having a cooling air intake, a front door 11 having a warm air outlet after cooling, and a power supply switch 12.
電源回路部５には、前記正逆転両用ＤＣファン４を正転
／逆転させる為の正負電圧供給用正負電圧切替回路６及
び前記電源投入スイッチ１２からの電源投入信号を受け
て正負電圧切替回路６に電源投入後所定時間のみ負電圧
出力、前記所定時間を経過した後は正電圧出力を指令す
る為のタイマー７が設けられている。The power supply circuit section 5 includes a positive/negative voltage switching circuit 6 for supplying positive/negative voltage for causing the forward/reverse dual-purpose DC fan 4 to rotate forward/reversely, and a positive/negative voltage switching circuit 6 in response to a power-on signal from the power-on switch 12. A timer 7 is provided for commanding negative voltage output only for a predetermined period of time after the power is turned on, and commanding positive voltage output after the elapse of the predetermined time.
リアドア８には、定常運転に外気１３に含む塵埃を濾過
し、清浄な冷却風１４を得る為の防塵用フィルタ９、前
記冷却風１４のみを前記ダクト（ＨＤＡ）３にガイドす
る為のバッキング１０が取付けられたダクト（リアドア
）８ａが取付けられている。The rear door 8 includes a dustproof filter 9 for filtering dust contained in the outside air 13 during steady operation to obtain clean cooling air 14, and a backing 10 for guiding only the cooling air 14 to the duct (HDA) 3. A duct (rear door) 8a is attached.
定常運転中は、ＤＣフアン４が正転し、防塵用フィルタ
９により塵埃を濾過された清浄な冷却風１４にて、ＨＤ
Ａ／駆動回路部２の発生熱を奪い、暖気１５をフロント
ドア１１の排出口から装置外に排出する。前記防塵用フ
ィルタ９は数か４〜士数か月の使用により濾過した塵埃
が付着堆積し、目づまりを生じる。その結果、冷却風１
４の風量低下を招き、ＨＤＡ／ＷＪＡ動回路部２の温度
上昇となり、信頼性に関し温度依存性を持つＨＤＡ／駆
動回路部２の故障率増大となる。During steady operation, the DC fan 4 rotates normally, and the HD
The heat generated by the A/drive circuit section 2 is taken away, and the warm air 15 is discharged to the outside of the apparatus through the discharge port of the front door 11. When the dustproof filter 9 is used for several months to several months, filtered dust accumulates and becomes clogged. As a result, cooling air 1
4, the temperature of the HDA/WJA dynamic circuit section 2 increases, and the failure rate of the HDA/drive circuit section 2, whose reliability is temperature dependent, increases.
本実施例では、通常１回／１日は行なわれる装置電源投
入時、電源投入スイッチ１２からの電源段入信−号をタ
イマー７にて受けて、タイマー７に予め設定した所定時
間のみ正負電圧切替回路６に負電圧出力を指令する。正
負電圧切替回路６により負電圧を供給されたＤＣフアン
４は逆転し、定常運転中とは逆方向に風が流れ、付着塵
埃除去風１６は防塵用フィルタ９に付着堆積していた塵
埃を脱落させ、塵埃風１７として装置外に排出される。In this embodiment, when the device is powered on, which is normally done once a day, the timer 7 receives the power stage input signal from the power-on switch 12, and switches the positive and negative voltages only for a predetermined time set in the timer 7. Command the circuit 6 to output a negative voltage. The DC fan 4 supplied with a negative voltage by the positive/negative voltage switching circuit 6 reverses, the wind flows in the opposite direction to that during steady operation, and the adhering dust removing air 16 removes the dust that has adhered and accumulated on the dustproof filter 9. and is discharged outside the device as a dust wind 17.
電源投入所定時間経過後は、前記タイマー７から正負電
圧切替回路６に正電圧出力が指令され、前述した定常運
転中の装置内外空気流となる。After a predetermined time has elapsed since the power was turned on, the timer 7 instructs the positive/negative voltage switching circuit 6 to output a positive voltage, resulting in the above-mentioned air flow inside and outside the device during steady operation.
本実施例によれば、数か４〜士数か月使用により目づま
りを生じる防塵用フィルタ９の付着堆積塵埃が、通常１
回７１日は行われる装置電源投入時、自動的に除去され
る為、防塵用フィルタ９の目づまりによる装置内温度上
昇を全ったく考慮しなくて良い為、数か４〜士数か月毎
に必要としていた防塵用フィルタ９の清掃又は交換等の
定期保守を不要とする効果がある。According to this embodiment, the amount of accumulated dust on the dustproof filter 9, which becomes clogged after use for several months to several months, is normally reduced to 1.
Since it is automatically removed when the device power is turned on, there is no need to consider the rise in temperature inside the device due to clogging of the dust-proof filter 9, which is carried out every 71 days. This has the effect of eliminating the need for periodic maintenance such as cleaning or replacing the dustproof filter 9, which was required every time.
本発明によれば、通常１回／１日は行なわれる装置電源
投入時の防塵用フィルタ付着堆積塵埃自動除去により、
防塵用フィルタの目づまりを余ったく考慮しなく良い為
、数か４〜士数か月毎に必要としていた防塵用フィルタ
の清掃又は交換等定期保守を不要とし、防塵用フィルタ
部品代を含む保守作業費を不要とする効果がある。According to the present invention, by automatically removing accumulated dust on the dustproof filter when turning on the power of the device, which is normally done once a day,
Since there is no need to worry about clogging of the dustproof filter, regular maintenance such as cleaning or replacing the dustproof filter, which was required every few months, is no longer necessary, and maintenance work including the cost of dustproof filter parts is eliminated. This has the effect of eliminating the need for expenses.
又、装置冷却設計時、従来は必要としていた次回定期保
守までの間の防塵用フィルタ目づまりによる冷却風量低
下を見込まなくて良い為、冷却用ファの小形化によるフ
ァン購入費の低減、消費電力の低減の効果もある。In addition, when designing equipment cooling, it is no longer necessary to anticipate a decrease in cooling air volume due to clogging of the dust filter until the next periodic maintenance, which was required in the past, reducing fan purchase costs and power consumption due to the miniaturization of the cooling fan. It also has the effect of reducing
第１図は本発明の一実施例装置の横断面図である。 ２・・ＨＤ Ａ ／駆動回路部、 ４・・・正逆転両用ＤＣファン、 ６・・・正負電圧切替回路、 ７ ９・・・防塵用フィルタ。 １６・・・付着堆積塵埃除去風、 ５・・・電源回路部。 ・・タイマー １７・・・塵埃風。 ２−−−− ＨＤＡ／駈（名各舒 ９−−−で４ルタ FIG. 1 is a cross-sectional view of an apparatus according to an embodiment of the present invention. 2...HD A/drive circuit section, 4...Forward/reverse DC fan, 6...Positive/negative voltage switching circuit, 7 9... Dustproof filter. 16... Adhesive accumulated dust removal wind, 5...Power circuit section. ··timer 17... Dust wind. 2-----HDA/Kake 4 Ruta in 9---
Claims (1)
ィスク装置において、前記ファンとして正逆転両用ＤＣ
ファンを用い、更に、装置内電源にタイマー及び前記正
逆転両用ＤＣファンへの供給正負電圧切替回路を設けた
ことにより、装置電源投入時、自動的に所定時間のみ前
記正逆転両用ＤＣファンを逆転させることを特徴とした
ディスク装置。(1) In a disk device having an internal cooling fan and a dustproof filter, the fan is a forward and reverse DC
By using a fan and further providing a timer and a positive/negative voltage switching circuit for supplying the positive/negative voltage to the forward/reverse DC fan in the power supply within the device, when the device power is turned on, the forward/reverse DC fan is automatically reversed for a predetermined period of time. A disk device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63232334A JPH0281396A (en) | 1988-09-19 | 1988-09-19 | Disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63232334A JPH0281396A (en) | 1988-09-19 | 1988-09-19 | Disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281396A true JPH0281396A (en) | 1990-03-22 |
Family
ID=16937570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63232334A Pending JPH0281396A (en) | 1988-09-19 | 1988-09-19 | Disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2903854A1 (en) * | 2006-07-11 | 2008-01-18 | Gen Electric | VENTILATION DEVICE VENTILING AN ELECTRONIC HOUSING |
-
1988
- 1988-09-19 JP JP63232334A patent/JPH0281396A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2903854A1 (en) * | 2006-07-11 | 2008-01-18 | Gen Electric | VENTILATION DEVICE VENTILING AN ELECTRONIC HOUSING |
| US7995340B2 (en) | 2006-07-11 | 2011-08-09 | General Electric Company | Ventilation device ventilating an electronic module |
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