JPH04252098A - Structure for cooling electronic device - Google Patents
Structure for cooling electronic deviceInfo
- Publication number
- JPH04252098A JPH04252098A JP823291A JP823291A JPH04252098A JP H04252098 A JPH04252098 A JP H04252098A JP 823291 A JP823291 A JP 823291A JP 823291 A JP823291 A JP 823291A JP H04252098 A JPH04252098 A JP H04252098A
- Authority
- JP
- Japan
- Prior art keywords
- ventilation unit
- box
- frame
- shelf
- electronic device
- 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.)
- Withdrawn
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims abstract description 13
- 239000011295 pitch Substances 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、プリント板を並列に収
容したシェルフを、多段に重畳した電子機器の冷却構造
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling structure for electronic equipment in which shelves storing printed boards in parallel are stacked in multiple stages.
【０００２】0002
【従来の技術】図５は電子機器の斜視図、図６は従来例
の要所斜視図である。図５，図６において２は、上側板
，下側板，左右の側板及びバックボードコネクタを搭載
したバッグボードとで、構成された前面が開口した箱形
のシェルフである。2. Description of the Related Art FIG. 5 is a perspective view of an electronic device, and FIG. 6 is a perspective view of important parts of a conventional example. In FIGS. 5 and 6, reference numeral 2 designates a box-shaped shelf with an open front that is composed of an upper side plate, a lower side plate, left and right side plates, and a bag board on which a backboard connector is mounted.
【０００３】３は、シェルフ２に挿抜可能に挿着するプ
リント板であって、挿入側の側縁部にバックボードコネ
クタにプラグインするプリント板コネクタを搭載してあ
る。シェルフ２は上側板及び下側板のそれぞれの内側に
、ガイドレールを絞り出し加工して配設し、上下一対の
ガイドレールを選択してプリント板３を前面開口から差
し込み、プリント板コネクタを対応するバックボードコ
ネクタにプラグインすることで、多数のプリント板３を
シェルフ２に並列して収容するようになっている。また
、ガイドレールを絞り出し加工したことにより、下側板
及び上側板にはそれぞれ通風スリットが配列されている
。Reference numeral 3 denotes a printed board that is removably inserted into the shelf 2, and a printed board connector that is plugged into a backboard connector is mounted on the side edge on the insertion side. The shelf 2 has guide rails cut out and placed on the inside of each of the upper and lower plates, select the pair of upper and lower guide rails, insert the printed board 3 through the front opening, and connect the printed board connector to the corresponding back By plugging into the board connector, a large number of printed boards 3 can be accommodated in parallel on the shelf 2. Furthermore, by drawing out the guide rail, ventilation slits are arranged in each of the lower and upper plates.
【０００４】一方、プリント板３をシェルフ２に収容し
た後に、シェルフ２の前面側に正面板４を取付けて、前
面開口を塞いでいる。上述のシェルフ２を床に設置した
架１に重畳することで、電子機器が構成されている。On the other hand, after the printed board 3 is housed in the shelf 2, a front plate 4 is attached to the front side of the shelf 2 to close the front opening. An electronic device is constructed by stacking the above-mentioned shelf 2 on a rack 1 installed on the floor.
【０００５】この際、プリント板３を自然空冷するため
に、最下段のシェルフ２の下方、及びそれぞれのシェル
フ間に通風ユニット１０を装着している。通風ユニット
１０は、左右側板，前面開口１１， 後面窓１２及び上
下に枠部材を有する左右に長い直方体状の枠形で、平面
視形状は、シェルフ２の平面視形状に等しい。[0005] At this time, in order to cool the printed board 3 with natural air, a ventilation unit 10 is installed below the lowest shelf 2 and between the respective shelves. The ventilation unit 10 has a rectangular parallelepiped frame shape extending from side to side, having left and right side plates, a front opening 11, a rear window 12, and upper and lower frame members, and its shape in plan view is the same as that of the shelf 2 in plan view.
【０００６】上述のように通風ユニット１０を装着した
電子機器は、最下段の通風ユニット１０の前面開口１１
， 後面窓１２から冷気が通風ユニット１０内に吸い込
まれ、シェルフ２の下側板の通風スリットを経てシェル
フ２内に入る。As described above, the electronic equipment equipped with the ventilation unit 10 has the front opening 11 of the ventilation unit 10 at the lowest stage.
, Cold air is sucked into the ventilation unit 10 through the rear window 12 and enters the shelf 2 through the ventilation slit in the lower plate of the shelf 2.
【０００７】そして、プリント板３の熱を奪い暖気とな
って上昇し、上側板の通風スリットを経て上部の通風ユ
ニット１０に排出され、その通風ユニット１０を経て上
段のシェルフ２に入り込み、そのシェルフ２に収容した
プリント板３を冷却する。[0007]Then, it absorbs the heat from the printed board 3 and rises as warm air, which is discharged to the upper ventilation unit 10 through the ventilation slit in the upper board, passes through the ventilation unit 10, enters the upper shelf 2, and is heated to the upper shelf. The printed circuit board 3 housed in 2 is cooled.
【０００８】なお、上段のシェルフ２には、その下方の
通風ユニット１０の前面開口１１及び後面窓１２から侵
入した冷気が入り、収容したプリント板３を冷却する。Note that cold air enters the upper shelf 2 through the front opening 11 and rear window 12 of the ventilation unit 10 below, and cools the printed boards 3 housed therein.
【０００９】[0009]
【発明が解決しようとする課題】ところで、プリント板
搭載部品のデジタル化，高密度実装化に伴い、シェルフ
に収容したプリント板のなかには特に高発熱量の部品が
搭載されたものがある。[Problems to be Solved by the Invention] With the digitalization and high-density mounting of components mounted on printed boards, some printed boards housed on shelves are equipped with components that generate a particularly high amount of heat.
【００１０】このように特に発熱量が大きいプリント板
を冷却した高温の空気は、他のプリント板を冷却した空
気と同様に上昇し通風ユニットを経て上段のシェルフ内
に入ることとなる。したがって、上段のシェルフの対応
する箇所に収容したプリント板が、冷却されないという
問題点があった。[0010] In this way, the high-temperature air that has cooled a printed board that generates a particularly large amount of heat rises like the air that has cooled other printed boards and enters the upper shelf through the ventilation unit. Therefore, there was a problem in that the printed boards stored in the corresponding locations on the upper shelf were not cooled.
【００１１】本発明はこのような点に鑑みて創作された
もので、局部的に発熱量が大きいシェルフを装着した電
子機器において、その上段に設置したシェルフの冷却性
能が低下する恐れのない、冷却構造を提供することを目
的としている。[0011] The present invention was created in view of the above points, and is an electronic device equipped with a shelf that locally generates a large amount of heat. It is intended to provide a cooling structure.
【００１２】0012
【課題を解決するための手段】上記の目的を達成するた
めに本発明は、図１に示したように、架にシェルフ２を
多段に重畳し、シェルフ２間に前後及び上下が開口した
枠形の通風ユニット１０を搭載して、シェルフ２に並列
に収容したプリント板３を自然空冷する電子機器におい
て、左右側板，前面窓２１， 後面窓２２及び上下に枠
部材を有する前後に長い直方体状の枠形で、内部空間が
前下がりまたは後下がりの側面視対角線状の仕切板２５
で遮断され、前枠部の上部材の上部， 下部材の下部の
少なくともいずれか一方に突部３０を有する遮断ボック
ス２０を設ける。[Means for Solving the Problems] In order to achieve the above object, the present invention provides a frame in which shelves 2 are stacked in multiple stages on a rack, and the front and rear and top and bottom are opened between the shelves 2, as shown in FIG. In an electronic device that is equipped with a shaped ventilation unit 10 to naturally air cool printed boards 3 housed in parallel on a shelf 2, the electronic device has a rectangular parallelepiped shape that is long from front to back and has left and right side panels, a front window 21, a rear window 22, and frame members at the top and bottom. A partition plate 25 that has a frame shape and has a diagonal shape in side view with the internal space falling forward or downward.
A blocking box 20 is provided which is blocked by a front frame portion and has a protrusion 30 on at least one of the upper part of the upper member and the lower part of the lower member of the front frame portion.
【００１３】シェルフの上段の通風ユニット１０に、特
に発熱量が大きいプリント板の直上の箇所を選択して、
この遮断ボックス２０を挿着する。詳しくは、遮断ボッ
クス２０を通風ユニット１０の前面開口１１０ から挿
入し、突部３０を通風ユニット１０の前枠部の上下部材
に等ピッチで配列した角形の切込み１５を選択し係合さ
せ、遮断ボックス２０をブランクユニット１０に挿着す
るものとする。[0013] For the ventilation unit 10 on the upper shelf of the shelf, select a location directly above the printed circuit board that generates a particularly large amount of heat,
This isolation box 20 is inserted. Specifically, the blocking box 20 is inserted through the front opening 110 of the ventilation unit 10, and the protrusions 30 are engaged with the rectangular notches 15 arranged at equal pitches in the upper and lower members of the front frame of the ventilation unit 10, and the blocking is performed. It is assumed that the box 20 is inserted into the blank unit 10.
【００１４】或いはまた、上述の遮断ボックス２０の後
枠部材に、通風ユニット１０の後枠部材に吸着するマグ
ネット４０を固着するものとする。さらにまた、突部を
角形の切込み１５の左右の側壁に圧接する、ばね部材３
５で構成するものとする。Alternatively, a magnet 40 that attracts the rear frame member of the ventilation unit 10 may be fixed to the rear frame member of the above-mentioned cutoff box 20. Furthermore, a spring member 3 that presses the protrusion against the left and right side walls of the rectangular notch 15
5.
【００１５】[0015]
【作用】上述のように特に発熱量が大きいプリント板の
直上に遮断ボックスを挿着し、突部３０を通風ユニット
１０の角形の切込み１５に係合させているので、遮断ボ
ックス２０の位置決めが所定に定まり、通風ユニット１
０内で左右にずれることがない。[Operation] As mentioned above, the cutoff box is inserted directly above the printed circuit board that generates a particularly large amount of heat, and the protrusion 30 is engaged with the rectangular notch 15 of the ventilation unit 10, so the positioning of the cutoff box 20 is easy. Ventilation unit 1
There is no left or right deviation within 0.
【００１６】したがって、シェルフ２のプリント板３を
冷却した特に高温の空気は、通風ユニット１０内の遮断
ボックス２０に入り、仕切板２５に誘導されて、遮断ボ
ックス２０の後面窓２２（仕切板２５が前下がりの場合
）または前面窓２１（仕切板２５が後下がりの場合）か
ら、電子機器の外部に排出される。Therefore, the particularly high temperature air that has cooled the printed board 3 of the shelf 2 enters the blocking box 20 in the ventilation unit 10, is guided to the partition plate 25, and is guided to the rear window 22 of the blocking box 20 (partition plate 25). is discharged to the outside of the electronic device from the front window 21 (when the partition plate 25 is tilted back) or from the front window 21 (when the partition plate 25 is tilted back).
【００１７】一方、遮断ボックス２０の前面窓２１（ま
たは後面窓２２）から遮断ボックス２０に吸い込まれた
冷気は、仕切板２５に誘導されて上昇し、上段のシェル
フ２に入る。即ち、上段に設置したシェルフ２の冷却性
能が低下することがない。On the other hand, the cold air sucked into the blocking box 20 from the front window 21 (or rear window 22) of the blocking box 20 is guided by the partition plate 25, rises, and enters the upper shelf 2. That is, the cooling performance of the shelf 2 installed in the upper stage does not deteriorate.
【００１８】なお、マグネット４０を設ける、或いは突
部３０をばね部材３５とすることにより、電子機器が振
動しても遮断ボックス２０が通風ユニット１０から抜け
落ちることがない。By providing the magnet 40 or using the spring member 35 as the protrusion 30, the isolation box 20 will not fall off from the ventilation unit 10 even if the electronic equipment vibrates.
【００１９】[0019]
【実施例】以下図２乃至図４を参照しながら、本発明を
具体的に説明する。なお、全図を通じて同一符号は同一
対象物を示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to FIGS. 2 to 4. Note that the same reference numerals indicate the same objects throughout the figures.
【００２０】図２において、１０は左右側板，前面開口
１１０，後面窓１２及び上下に枠部材を有する左右に長
い直方体状の枠形の通風ユニットであって、平面視形状
は、シェルフ２の平面視形状に等しい。In FIG. 2, reference numeral 10 is a rectangular parallelepiped frame-shaped ventilation unit having left and right side plates, a front opening 110, a rear window 12, and upper and lower frame members. Equal to visual shape.
【００２１】この通風ユニット１０の前枠部の下部材に
は、等ピッチで前面が開口した角形の切込み１５を並列
に設けてある。なお、このような通風ユニット１０は、
架に重畳したシェルフ２間及び最下段のシェルフ２の下
方に装着されている。[0021] In the lower member of the front frame portion of this ventilation unit 10, rectangular notches 15 with open front faces are provided in parallel at equal pitches. In addition, such a ventilation unit 10,
It is installed between two shelves superimposed on the rack and below the lowest shelf 2.
【００２２】一方、２０は左右側板，前面窓２１， 後
面窓２２及び上下に枠部材を有する前後に長い直方体状
の枠形で、内部空間が前下がりの側面視対角線状の仕切
板２５で遮断さした、遮断ボックスである。On the other hand, reference numeral 20 is a rectangular parallelepiped frame having left and right side plates, a front window 21, a rear window 22, and upper and lower frame members, and is long in the front and back, and the internal space is blocked off by a diagonal partition plate 25 that slopes downward in the front. It's a blocking box.
【００２３】そして、遮断ボックス２０の前枠部の下部
材の中央部の下部に、通風ユニット１０の切込み１５に
しっくりと装着する平面視角片状の突部３０を設けてあ
る。シェルフの上段の通風ユニット１０に、特に発熱量
が大きいプリント板の直上の箇所を選択して、そのシェ
ルフ２の上段の通風ユニット１０に、この遮断ボックス
２０を挿着している。[0023] A protrusion 30 in the form of a piece in plan view is provided at the lower part of the center of the lower member of the front frame portion of the cut-off box 20, and is fitted snugly into the notch 15 of the ventilation unit 10. This cutoff box 20 is inserted into the upper ventilation unit 10 of the shelf 2 by selecting a location directly above the printed circuit board that generates a particularly large amount of heat.
【００２４】詳述すると、遮断ボックス２０を通風ユニ
ット１０の前面開口１１０ から挿入し、突部３０を通
風ユニット１０の切込み１５を選択し係合させることで
、遮断ボックス２０を通風ユニット１０に位置決めさせ
挿着している。Specifically, the cutoff box 20 is inserted through the front opening 110 of the ventilation unit 10, and the protrusion 30 is selected and engaged with the notch 15 of the ventilation unit 10, thereby positioning the cutoff box 20 in the ventilation unit 10. It is inserted and installed.
【００２５】したがって、図２の（Ｂ） に図示したよ
うに、シェルフ２の特に発熱量が大きいプリント板を冷
却した高温の空気は、上昇して通風ユニット１０内の遮
断ボックス２０に入り、仕切板２５に誘導されて、遮断
ボックス２０の後面窓２２，通風ユニット１０の後面窓
１２を経て電子機器の外部に排出される。Therefore, as shown in FIG. 2B, the high-temperature air that has cooled the printed circuit boards on the shelf 2, which generate a particularly large amount of heat, rises and enters the isolation box 20 in the ventilation unit 10, and passes through the partition. It is guided by the plate 25 and discharged to the outside of the electronic device through the rear window 22 of the blocking box 20 and the rear window 12 of the ventilation unit 10.
【００２６】一方、遮断ボックス２０の前面窓２１から
遮断ボックス２０に吸い込まれた冷気は、仕切板２５に
誘導されて上昇し、上段のシェルフ２に入りその上方に
収容したプリント板を冷却する。On the other hand, the cold air sucked into the isolation box 20 from the front window 21 of the isolation box 20 is guided by the partition plate 25 and rises, enters the upper shelf 2 and cools the printed boards stored above it.
【００２７】図３において、遮断ボックス２０の後枠部
材に、通風ユニット１０の後枠部材に吸着するマグネッ
ト４０を取り付けてある。したがって、遮断ボックス２
０を通風ユニット１０の前面開口１１０ から差し込む
と、突部３０が通風ユニット１０の切込み１５に係合す
るとともに、マグネット４０が通風ユニット１０の後枠
部材に吸着する。In FIG. 3, a magnet 40 that attracts the rear frame member of the ventilation unit 10 is attached to the rear frame member of the cutoff box 20. Therefore, isolation box 2
0 is inserted through the front opening 110 of the ventilation unit 10, the protrusion 30 engages with the notch 15 of the ventilation unit 10, and the magnet 40 is attracted to the rear frame member of the ventilation unit 10.
【００２８】よって、遮断ボックス２０の位置決めが所
定に定まるとともに、電子機器が振動しても遮断ボック
ス２０が通風ユニット１０から抜け落ちることがない。
また、図４において、３５は後部が開口した平面視がほ
ぼＵ形の一対の対向する板ばね３６を有するばね部材で
ある。このばね部材３５は、取付座をスポット溶接する
等して、遮断ボックス２０の前枠部の上部材の中央部の
上部に固着している。Therefore, the positioning of the isolation box 20 is determined in a predetermined manner, and even if the electronic equipment vibrates, the isolation box 20 will not fall off from the ventilation unit 10. Further, in FIG. 4, reference numeral 35 denotes a spring member having a pair of opposing leaf springs 36 that are substantially U-shaped in plan view and open at the rear. This spring member 35 is fixed to the upper part of the center part of the upper member of the front frame part of the isolation box 20 by spot welding the mounting seat or the like.
【００２９】したがって、遮断ボックスを通風ユニット
に差し込むと、ばね部材３５の板ばね３６が通風ユニッ
トの切込み１５内に圧入し、それぞれの板ばね３６が切
込み１５の左右の側壁に圧接する。Therefore, when the blocking box is inserted into the ventilation unit, the leaf springs 36 of the spring member 35 are press-fitted into the notches 15 of the ventilation unit, and the respective leaf springs 36 are pressed against the left and right side walls of the notches 15.
【００３０】よって、遮断ボックス２０の位置決めが所
定に定まるとともに、電子機器が振動しても遮断ボック
ス２０が通風ユニットから抜け落ちることがない。Therefore, the positioning of the isolation box 20 is determined in a predetermined manner, and even if the electronic equipment vibrates, the isolation box 20 will not fall off from the ventilation unit.
【００３１】[0031]
【発明の効果】以上説明したように本発明は、対角線状
の仕切板を有する遮断ボックスを、通風ユニットの選択
した箇所に挿着するようにしたことにより、局部的に発
熱量が大きいシェルフを装着した電子機器に適用して、
その上段に設置したシェルフの冷却性能が低下する恐れ
のないという、実用状で優れた効果を有する。Effects of the Invention As explained above, the present invention has a structure in which a cut-off box having a diagonal partition plate is inserted into a selected location of a ventilation unit, thereby preventing a shelf that generates a large amount of heat locally. Applied to the electronic equipment installed,
This has an excellent practical effect in that there is no fear that the cooling performance of the shelf installed above the shelf will deteriorate.
【００３２】また、通風ユニットの選択した任意の箇所
に挿着することができて、汎用性に富んでいるという効
果を有する。[0032] Furthermore, it has the advantage of being highly versatile as it can be inserted into any selected location of the ventilation unit.
【図１】 本発明の原理を示す斜視図[Figure 1] Perspective view showing the principle of the present invention
【図２】 本
発明の実施例の図で、（Ａ） は斜視図（Ｂ） は側断
面図[Fig. 2] Diagrams of embodiments of the present invention, in which (A) is a perspective view and (B) is a side sectional view.
【図３】 本発明の他の実施例の断面図[Figure 3] Cross-sectional view of another embodiment of the present invention
【図４】
本発明のさらに他の実施例の要所斜視図[Figure 4]
A perspective view of important parts of still another embodiment of the present invention
【図５】 電
子機器の斜視図[Figure 5] Perspective view of electronic equipment
【図６】 従来例の要所斜視図[Figure 6] Key points perspective view of conventional example
１ 架、 ２ シ
ェルフ、 ３ プリント板、４
正面板、 １０ 通風ユニ
ット、 １１，１１０ 前面開口、１２
後面窓、 １５ 切込み、
２０ 遮断ボックス、２１
前面窓、 ２２ 後面窓
、 ２５ 仕切板、３０ 突部、
３５ ばね部材、
４０ マグネット、1 rack, 2 shelf, 3 printed board, 4
Front plate, 10 Ventilation unit, 11,110 Front opening, 12
Rear window, 15 notches,
20 Shutoff box, 21
Front window, 22 Rear window, 25 Partition plate, 30 Protrusion,
35 spring member,
40 magnet,
Claims (3)
、該シェルフ（２）間に前後及び上下が開口した枠形の
通風ユニット（１０）を搭載して、該シェルフ（２）
に並列に収容したプリント板（３） を自然空冷する電
子機器において、左右側板，前面窓（２１）， 後面窓
（２２）及び上下枠部材を有する前後に長い直方体状の
枠形で、内部空間が前下がりまたは後下がりの側面視対
角線状の仕切板（２５）で遮断され、前枠部の上部材の
上部か下部材の下部かの少なくともいずれか一方に、突
部（３０）を有する遮断ボックス（２０）を備え、該遮
断ボックス（２０）を前記通風ユニット（１０）の前面
開口（１１０） から挿入し、該通風ユニット（１０）
の前枠部の上下部材に等ピッチで配列した角形の切込み
（１５）を選択して、該突部（３０）を係合させ、該遮
断ボックス（２０）を該通風ユニット（１０）に装着す
るよう構成したことを特徴とする電子機器の冷却構造。Claim 1: Shelves (2) are stacked in multiple stages on a rack, and between the shelves (2) a frame-shaped ventilation unit (10) with front and rear and top and bottom openings is mounted.
In an electronic device that naturally air cools printed boards (3) housed in parallel in the interior space, the internal space is shaped like a rectangular parallelepiped and has left and right side plates, a front window (21), a rear window (22), and upper and lower frame members. is blocked by a diagonal partition plate (25) that is diagonal in side view and that slopes down from the front or back, and has a protrusion (30) on at least one of the upper part of the upper member and the lower part of the lower member of the front frame. a box (20), the blocking box (20) is inserted through the front opening (110) of the ventilation unit (10);
Select the rectangular notches (15) arranged at equal pitches on the upper and lower members of the front frame of the unit, engage the protrusions (30), and attach the blocking box (20) to the ventilation unit (10). A cooling structure for an electronic device, characterized in that it is configured to do so.
）の後枠部材に、通風ユニット（１０）の後枠部材に吸
着するマグネット（４０）を固着したことを特徴とする
電子機器の冷却構造。[Claim 2] The isolation box (20
) A cooling structure for electronic equipment, characterized in that a magnet (40) that attracts the rear frame member of a ventilation unit (10) is fixed to the rear frame member.
み（１５）の左右の側壁に圧接する、ばね部材（３５）
であることを特徴とする電子機器の冷却構造。3. A spring member (35) in which the protrusion according to claim 1 is in pressure contact with the left and right side walls of the rectangular notch (15).
A cooling structure for electronic equipment characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP823291A JPH04252098A (en) | 1991-01-28 | 1991-01-28 | Structure for cooling electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP823291A JPH04252098A (en) | 1991-01-28 | 1991-01-28 | Structure for cooling electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04252098A true JPH04252098A (en) | 1992-09-08 |
Family
ID=11687416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP823291A Withdrawn JPH04252098A (en) | 1991-01-28 | 1991-01-28 | Structure for cooling electronic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04252098A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2387716A (en) * | 2002-04-17 | 2003-10-22 | Sun Microsystems Inc | Cooling electrical circuitry |
| JP2008501200A (en) * | 2004-06-24 | 2008-01-17 | インテル・コーポレーション | Reconfigurable airflow director for modular blade chassis |
| US7450377B2 (en) | 2005-09-20 | 2008-11-11 | Fujitsu Limited | Cooling device having air duct extending to elements to be cooled |
| JP2010232474A (en) * | 2009-03-27 | 2010-10-14 | Fujitsu Ltd | Sub-rack structure and rack structure |
| CN110430730A (en) * | 2019-08-02 | 2019-11-08 | 北京无线电测量研究所 | A kind of subrack noise elimination plug-in unit and the subrack contained |
-
1991
- 1991-01-28 JP JP823291A patent/JPH04252098A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2387716A (en) * | 2002-04-17 | 2003-10-22 | Sun Microsystems Inc | Cooling electrical circuitry |
| JP2008501200A (en) * | 2004-06-24 | 2008-01-17 | インテル・コーポレーション | Reconfigurable airflow director for modular blade chassis |
| US7450377B2 (en) | 2005-09-20 | 2008-11-11 | Fujitsu Limited | Cooling device having air duct extending to elements to be cooled |
| JP2010232474A (en) * | 2009-03-27 | 2010-10-14 | Fujitsu Ltd | Sub-rack structure and rack structure |
| CN110430730A (en) * | 2019-08-02 | 2019-11-08 | 北京无线电测量研究所 | A kind of subrack noise elimination plug-in unit and the subrack contained |
| CN110430730B (en) * | 2019-08-02 | 2020-07-10 | 北京无线电测量研究所 | Plug-in box noise elimination plug-in components and plug-in box that contains |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19980514 |