JPH11112177A - Cooling device for electronic equipment - Google Patents
Cooling device for electronic equipmentInfo
- Publication number
- JPH11112177A JPH11112177A JP28778697A JP28778697A JPH11112177A JP H11112177 A JPH11112177 A JP H11112177A JP 28778697 A JP28778697 A JP 28778697A JP 28778697 A JP28778697 A JP 28778697A JP H11112177 A JPH11112177 A JP H11112177A
- Authority
- JP
- Japan
- Prior art keywords
- air
- cooling
- heat
- heat generating
- cooled
- 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- Withdrawn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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は音響・映像（ＡＶ）
機器やコンピュータ等に用いて好適な電子機器の冷却装
置に関する。[0001] The present invention relates to audio / video (AV).
The present invention relates to a cooling device for electronic equipment suitable for use in equipment and computers.
【０００２】[0002]
【従来の技術】従来から、電子機器の冷却装置としては
発熱部材の例えば、電力増幅回路等が配設されたケーシ
ング内の天板、底板、側板等に通風孔或はベンチレータ
（ベントスリーブ）を設けて自然空冷を行うと共に電力
用トランジスタをヒートシンクに取り付け放熱効果を高
める様に成され、発熱量が大きいときには冷却ファンを
用いて発熱部材を強制空冷する様に成されていた。2. Description of the Related Art Conventionally, as a cooling device for electronic equipment, a ventilation hole or a ventilator (vent sleeve) has been provided on a top plate, a bottom plate, a side plate, etc. in a casing in which a heat generating member such as a power amplifier circuit is disposed. The power transistor is mounted on a heat sink to enhance the heat radiation effect, and the heat generating member is forcibly air-cooled using a cooling fan when the amount of generated heat is large.
【０００３】例えば、特開平８−２８７６７１号公報、
特開平３−４４８８５号公報等では、ディスク再生装置
やカセット式記録再生装置等の様に、１乃至複数の冷却
ファンを用いて光ピックアップ等を内蔵したメカユニッ
トやアンプ等を強制空冷する様に成されている。[0003] For example, Japanese Patent Application Laid-Open No. 8-287671,
In Japanese Patent Application Laid-Open No. 3-44885, for example, one or more cooling fans are used to forcibly air-cool a mechanical unit or an amplifier having a built-in optical pickup or the like, such as a disk reproducing device or a cassette type recording and reproducing device. Has been established.
【０００４】特開平８−２８７６７１号公報では、メカ
デッキの前面のフロントパネルに形成したディスク挿入
口の上部に、ディスク挿入口と略等しい長さの空気の吸
入口を設け、ディスク挿入口からの空気流入抵抗を大き
くし、上記吸入口から外気を吸入させてメカユニット内
の対物レンズ等の外気による汚れを防止させる構成が開
示されている。[0004] In Japanese Patent Application Laid-Open No. 8-287671, an air suction port having a length substantially equal to the length of the disc insertion port is provided above a disc insertion port formed on the front panel on the front of the mechanical deck. A configuration is disclosed in which the inflow resistance is increased, and outside air is sucked from the suction port to prevent contamination of the objective lens and the like in the mechanical unit by the outside air.
【０００５】また、特開平３−４４８８５号公報では、
カセット式記録再生装置内に外部からエアフィルタを介
して洗浄な空気を送り込み、記録再生装置内の気圧を高
めて、カセット挿入口等から外部の塵埃が磁気記録再生
装置内に侵入しない様に成した冷却装置が開示されてい
る。In Japanese Patent Application Laid-Open No. 3-48885,
Clean air is sent into the cassette type recording / reproducing apparatus from the outside via an air filter to increase the air pressure inside the recording / reproducing apparatus so that external dust does not enter the magnetic recording / reproducing apparatus from the cassette insertion port or the like. A cooling device is disclosed.
【０００６】また、特開平５−１９８１５６号公報で
は、二つの発熱部材を１つのフィルタを経由した空気で
冷却する際の、空気の流量の増大により生ずるフィルタ
の目づまりを解消するために図４の冷却装置の構成図に
示す様に、磁気記録再生装置のみに空気フィルタ３を介
し、強制空冷で空気流を流し込み電源装置８等の第２の
発熱部材に対しては他の冷却ファンを用いて強制空冷す
る様な冷却装置が開示されている。In Japanese Patent Application Laid-Open No. 5-198156, FIG. 4 is used to solve the problem of filter clogging caused by an increase in the flow rate of air when two heating members are cooled by air passing through one filter. As shown in the configuration diagram of the cooling device, the air flow is forced into the magnetic recording / reproducing device only through the air filter 3 by forced air cooling, and another cooling fan is used for the second heat generating member such as the power supply device 8. A cooling device that performs forced air cooling is disclosed.
【０００７】上述の構成を説明すると、５はサブシステ
ム装置で、このサブシステム装置５内に記録再生装置１
が配設されている。サブシステム装置５の背板には空気
取入れダクト２が設けられ、空気清浄フィルタ３で清浄
化した空気を冷却ファン４により記録再生装置１内に送
り込み空気排出口７から空気を排出する。６は第１の空
気取入れダクト２から取り込まれる第１の空気流で記録
再生装置１の排出口より矢印７ａの様に排出される。To explain the above-mentioned configuration, reference numeral 5 denotes a subsystem device, and the recording / reproducing device 1 is installed in the subsystem device 5.
Are arranged. An air intake duct 2 is provided on the back plate of the subsystem device 5, and the air cleaned by the air cleaning filter 3 is sent into the recording / reproducing device 1 by the cooling fan 4 and the air is exhausted from the air outlet 7. Reference numeral 6 denotes a first air flow taken in from the first air intake duct 2 and is discharged from the outlet of the recording / reproducing apparatus 1 as shown by an arrow 7a.
【０００８】８は記録再生装置１に電源を供給する電源
装置であり、第２の空気取入口１１より矢印１１ａに示
す様に冷却用空気を取り込み第２の冷却ファン９が空気
排出口１０を通じて矢印１０ａの様に空気を排出する様
に成されている。Reference numeral 8 denotes a power supply for supplying power to the recording / reproducing apparatus 1. The cooling air is taken in from the second air inlet 11 as shown by an arrow 11 a and the second cooling fan 9 is passed through the air outlet 10. The air is discharged as indicated by an arrow 10a.
【０００９】上述の構成によると、２つの冷却ファン４
及び９を独立して配設したことによって、記録再生装置
１内とサブシステム５内の空気圧を制御し、記録再生装
置１の内部の静圧により、記録再生装置１には清浄用フ
ィルタ３を経由しない空気以外は侵入しない様にしてい
る。そして、記録再生装置１の外壁は、電源冷却ファン
９の空気流により強力に冷却され、記録再生装置１に送
り込む空気流量を著しく少なく出来るため、空気清浄フ
ィルタ３の経時的汚染も少なく保てる様に成されてい
る。According to the above configuration, the two cooling fans 4
And 9 are independently arranged to control the air pressure in the recording / reproducing device 1 and the subsystem 5, and the static pressure inside the recording / reproducing device 1 allows the recording / reproducing device 1 to have a cleaning filter 3. It is designed so that only air that does not pass through can enter. The outer wall of the recording / reproducing apparatus 1 is strongly cooled by the air flow of the power supply cooling fan 9 and the air flow sent to the recording / reproducing apparatus 1 can be significantly reduced. Has been established.
【００１０】[0010]
【発明が解決しようとする課題】上述の特開平５−１９
８１５６号公報や特開平３−４４８８５号公報で開示さ
れた従来技術では、１つの冷却ファンを用いて複数の発
熱部材を冷却することで生ずる冷却ファンの大型化を抑
圧するために独立した第１及び第２の冷却ファンを用い
ているのでケーシング内での複数の発熱部材のレイアウ
トが難しく、ケーシングの外形が大きくなり、外観品位
も悪化する。又、強制空冷を施さない冷却装置ではケー
シングに可能な限りの通気孔等を穿っためケーシングの
強度不足等を招く問題があった。SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No. 5-19 / 1993.
In the related art disclosed in Japanese Patent Application Laid-Open No. 8156 and Japanese Patent Application Laid-Open No. 3-44885, an independent first fan is used to suppress the increase in size of the cooling fan caused by cooling a plurality of heat generating members using one cooling fan. In addition, since the second cooling fan is used, it is difficult to lay out a plurality of heat generating members in the casing, and the outer shape of the casing becomes large, and the appearance quality is deteriorated. Further, in a cooling device that does not perform forced air cooling, there is a problem in that the casing is provided with as many ventilation holes as possible, resulting in insufficient strength of the casing.
【００１１】本発明は叙上の問題点を解消した電子機器
の冷却装置を提供しようとするものであり、発明が解消
しようとする課題は１つの冷却ファンを用いて複数の発
熱部材を冷却可能な電子機器の冷却装置を得ようとする
ものである。SUMMARY OF THE INVENTION An object of the present invention is to provide a cooling device for an electronic device which solves the above-mentioned problems, and a problem to be solved by the present invention is that a plurality of heat generating members can be cooled using one cooling fan. It is intended to obtain a cooling device for an electronic device.
【００１２】[0012]
【課題を解決するための手段】本発明の電子機器の冷却
装置は、複数の発熱部材が配設されたケーシングを有す
る電子機器の冷却装置に於いて、複数の発熱部材間に設
けられた空気流を誘導する誘導部材を具備し、複数の発
熱部材のうち所望の発熱部材を強制空冷させると共に、
誘導部材に向って送風させ、所望の発熱部材とは異なる
他の発熱部材を誘導部材への送風で誘導部材の端部に生
ずる負圧で自然空冷によって冷却させて成るものであ
る。SUMMARY OF THE INVENTION According to the present invention, there is provided a cooling apparatus for an electronic device having a casing provided with a plurality of heat generating members, wherein the air provided between the plurality of heat generating members is provided. Equipped with an inducing member for inducing a flow, forcibly air-cooling a desired heating member among a plurality of heating members,
Air is blown toward the induction member, and another heat generation member different from the desired heat generation member is cooled by natural air cooling with a negative pressure generated at the end of the induction member by blowing air to the induction member.
【００１３】また、誘導部材は、電磁誘導又は静電誘導
又は放射熱を遮断する遮蔽部材を兼用して成るものであ
る。[0013] The guide member also serves as a shielding member for blocking electromagnetic induction or electrostatic induction or radiant heat.
【００１４】本発明の電子機器の冷却装置によれば、隣
接配置した複数の発熱部材のうち、適宜発熱部材を強制
空冷により吸引した風を他の発熱部材を囲む様に設けた
誘導部材に向けて送風し、誘導部材の端部に誘導するこ
とで、誘導部材の端部に送風時に負圧作用が生ずる。こ
の負圧作用により他の発熱部材を自然空冷させる様に成
したので、１つの冷却ファンによって複数の発熱部材を
冷却することが可能となる。According to the cooling device for electronic equipment of the present invention, of the plurality of heating members arranged adjacent to each other, the air, which is appropriately sucked by forced air cooling, is directed toward the guide member provided so as to surround the other heating members. By blowing air to the end of the guide member, a negative pressure action occurs at the end of the guide member when air is blown. Since the other heat generating members are naturally cooled by the negative pressure, a plurality of heat generating members can be cooled by one cooling fan.
【００１５】また、誘導部材を遮蔽部材と兼用したの
で、不要電波によるノイズや、磁気誘導、静電誘導等に
よる回路への各種障害を除去することができる。Further, since the guiding member is also used as the shielding member, it is possible to eliminate noise due to unnecessary radio waves and various obstacles to the circuit due to magnetic induction, electrostatic induction and the like.
【００１６】[0016]
【発明の実施の形態】以下、本発明の電子機器の冷却装
置の一実施例を図１乃至図３に基づいて詳記する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a cooling device for electronic equipment according to the present invention will be described below in detail with reference to FIGS.
【００１７】図１は電子機器として多出力チャンネル用
のＡＶアンプを用いた場合の冷却装置２０を示すもので
ある。FIG. 1 shows a cooling device 20 when an AV amplifier for multiple output channels is used as electronic equipment.
【００１８】ＡＶアンプの冷却装置２０は、略直方体状
のケーシング２１内に第１の熱源である。例えば、複数
チャンネルから成る電力用トランジスタ（以下Ｐ−ＴＲ
と記す）２２がＡ部拡大図に示す様にヒートシンク２３
のベース２３ａにビス等を介して固定されている。The cooling device 20 of the AV amplifier is a first heat source in a casing 21 having a substantially rectangular parallelepiped shape. For example, a power transistor composed of a plurality of channels (hereinafter, P-TR)
22) is a heat sink 23 as shown in the enlarged view of part A.
Is fixed to the base 23a via screws or the like.
【００１９】ヒートシンク２３のベース２３ａには複数
のフィン２３ｂが形成されている。複数のＰ−ＴＲ２２
の３端子はプリント用の回路基板２４に接続されてい
る。ヒートシンク２３の左端面には強制空冷用の冷却フ
ァン２５が配設されている。A plurality of fins 23b are formed on a base 23a of the heat sink 23. Multiple P-TR22
These three terminals are connected to a circuit board 24 for printing. A cooling fan 25 for forced air cooling is provided on the left end surface of the heat sink 23.
【００２０】この冷却ファン２５と対向する様に電磁波
の放射を遮蔽する遮蔽板と兼用された傾斜させた誘導板
２６を配設する。この誘導板２６に対し、冷却ファン２
５からの吸入風を吹きかけて誘導板２６に沿った送風を
ケーシング２１の天板に穿った複数の透孔から成る排出
口２９から排出させる。An inclined guide plate 26 which is also used as a shielding plate for shielding the radiation of electromagnetic waves is provided so as to face the cooling fan 25. The cooling fan 2 is
5, the air blown along the guide plate 26 is discharged from the outlet 29 formed of a plurality of through holes formed in the top plate of the casing 21.
【００２１】ケーシング２１の背板２１ａには複数の透
孔から成る吸入口３０が穿たれ、更にケーシング２１の
前面のパネル２１ｂと誘導板２６で囲まれた空間部内に
第２の発熱部材であるプリント用の回路基板２７に植立
したＩＣ２８を配設する。ケーシング２１の該空間部に
対応する底板にも複数の透孔から形成された吸入口３１
が設けられている。A back plate 21a of the casing 21 is provided with a suction port 30 formed of a plurality of through holes, and a second heat generating member is provided in a space surrounded by a front panel 21b and a guide plate 26 of the casing 21. An IC 28 planted on a circuit board 27 for printing is provided. A suction port 31 formed in the bottom plate corresponding to the space of the casing 21 also having a plurality of through holes.
Is provided.
【００２２】上述のＡＶアンプの冷却装置２０に於ける
動作を説明する。冷却ファン２５を「オン」状態にする
と、ケーシング２１の背板２１ａに形成した吸入口３０
より吸入された吸入風３２ａは、ヒートシンク２３のフ
ィン２３ｂを強制空冷しながら冷却ファン２５から吐き
出されて、誘導板２６に向って吹き付けられ、誘導板２
６の傾斜部に沿って排出口２９から排出風３２ｂとして
排出される。従って第１の発熱部材である複数のＰ−Ｔ
Ｒ２２からの放射熱はフィン２３ｂに伝達され、フィン
２３ｂが強制空冷されて迅速に冷却される。The operation of the above-described AV amplifier cooling device 20 will be described. When the cooling fan 25 is turned on, the suction port 30 formed in the back plate 21a of the casing 21 is turned on.
The sucked air 32a is discharged from the cooling fan 25 while forcibly cooling the fins 23b of the heat sink 23, and is blown toward the guide plate 26, so that the guide plate 2
The air is discharged from the outlet 29 along the inclined portion 6 as a discharge air 32b. Therefore, the plurality of PTs which are the first heat generating members
The radiant heat from R22 is transmitted to fins 23b, and fins 23b are forcibly air-cooled and quickly cooled.
【００２３】誘導板２６に吹き付けられ、排出口２９に
向って誘導された冷却風により誘導板２６の端部に負圧
が生じて、誘導板２６の裏側に形成された空間部内の空
気は排出口２９側に持ち上げられる。A negative pressure is generated at the end of the guide plate 26 by the cooling air blown to the guide plate 26 and guided toward the discharge port 29, and the air in the space formed on the back side of the guide plate 26 is discharged. It is lifted to the exit 29 side.
【００２４】この空間部内の第２の発熱部材であるＩＣ
２８はケーシング２１の底板に穿った吸入口３１から吸
入した吸入風３２ｃによって自然冷却されて、同じくケ
ーシング２１の天板に穿った排出口２９から排出風３２
ｄとして排出される。An IC as a second heat generating member in the space
28 is naturally cooled by a suction air 32 c drawn from a suction port 31 formed in a bottom plate of the casing 21, and discharged from a discharge port 29 formed in a top plate of the casing 21.
Discharged as d.
【００２５】即ち、本実施例によれば、冷却ファン２５
から排出される風３２ｂを誘導板２６に吹き付け、誘導
板２６の端部に冷却風を誘導することで生ずる負圧作用
によって、吸入口３１と誘導板２６及びケーシング２１
の左右板及び前板（パネル）で囲まれた空間部に形成さ
れたダクト３３の空気は、排出口２９側に持ち上げられ
る。That is, according to the present embodiment, the cooling fan 25
32b exhausted from the air blows to the guide plate 26, and the suction port 31 and the guide plate 26 and the casing 21
The air in the duct 33 formed in the space surrounded by the left and right plates and the front plate (panel) is lifted to the outlet 29 side.
【００２６】外気が吸入口３１から空間部のダクト３３
内に吸入風３２ｃとして吸入され、排出口２９から排出
風３２ｄとして排気されているためＩＣ２６は自然冷却
されて、１つの冷却ファン２５で二つの発熱部材を同時
に冷却することができる。The outside air flows from the suction port 31 to the duct 33 in the space.
The IC 26 is naturally cooled as it is sucked into the inside as the intake air 32c and is exhausted from the outlet 29 as the exhaust air 32d, so that the two heat-generating members can be simultaneously cooled by one cooling fan 25.
【００２７】冷却ファン２５としては、特に送風量の大
きな冷却ファンを必要とせず、ヒートシンク２３を小さ
く出来て、スペース的にも余裕のある配置が可能であ
り、ケーシング２１に穿つ排出口２９及び吸入口３０及
び３１も小面積で済み、ケーシング加工費の低減と共に
強度も充分にとることが可能となる。As the cooling fan 25, a cooling fan with a large air flow is not particularly required, the heat sink 23 can be made small and a space can be arranged with a sufficient space. The openings 30 and 31 also have a small area, so that the casing processing cost can be reduced and the strength can be sufficiently obtained.
【００２８】また誘導板２６は回路間の遮蔽板の効果を
兼ねることができるので、回路間を電磁的に遮蔽するた
めに、パーマロイ等の透磁率の高い部材を用いたり、静
電的に遮蔽するために、例えば銅等の導電性の高い部材
を用いたりする。また、発熱部材からの放射熱を遮断す
るために断熱性の高い部材を用いることもできる。Since the induction plate 26 can also serve as an effect of a shielding plate between circuits, a member having a high magnetic permeability such as permalloy or an electrostatic shielding is used for electromagnetically shielding between circuits. For this purpose, for example, a highly conductive member such as copper is used. Further, a member having high heat insulating properties can be used to block radiant heat from the heat generating member.
【００２９】図２Ａ及び図２Ｂは本発明の他の実施例の
構成を示すＡＶアンプの冷却装置を示すもので図１との
対応部分には同一符号を付して重複説明を省略する。FIGS. 2A and 2B show a cooling device for an AV amplifier showing the configuration of another embodiment of the present invention. The same reference numerals are given to the parts corresponding to those in FIG.
【００３０】本実施例のＡＶアンプの冷却装置２０のケ
ーシング２１内は３分割されて互に遮蔽板兼用の誘導板
２６で区切られている。The inside of the casing 21 of the cooling device 20 of the AV amplifier according to the present embodiment is divided into three parts and mutually separated by an induction plate 26 also serving as a shielding plate.
【００３１】３つの空間部内に第１の発熱部材であるプ
リント回路基板２４上に立設したＰ−ＴＲ２２、及び、
第２の発熱部材であるプリントの回路基板２７に植立し
たＩＣ２８、並びに、第３の発熱部材であるプリント回
路基板３４に植立したＩＣ３５が配設されている。A P-TR 22 erected on a printed circuit board 24 as a first heat-generating member in the three space portions;
An IC 28 mounted on a printed circuit board 27 as a second heat generating member, and an IC 35 mounted on a printed circuit board 34 as a third heat generating member are provided.
【００３２】図２Ａでは、Ｐ−ＴＲ２２の収納された第
１の空間部とＩＣ３５が収納された第３の空間部間には
例えば電磁誘導を遮蔽する遮蔽板兼用の誘導板２６ｂが
設けられ、第１の空間部及び第３の空間部とＩＣ２８が
収納された第２の空間部間にはＶ字状の例えば、静電遮
蔽する遮蔽板兼用の誘導板２６ａが設けられている。In FIG. 2A, for example, a guide plate 26b which also serves as a shield plate for shielding electromagnetic induction is provided between the first space portion in which the P-TR 22 is stored and the third space portion in which the IC 35 is stored. Between the first and third spaces and the second space in which the IC 28 is housed, there is provided a V-shaped guide plate 26a, for example, which also serves as a shielding plate for electrostatic shielding.
【００３３】第１の空間部には、ヒートシンク２３が配
設され、このヒートシンク２３のベース２３ａに固定さ
れた複数チャンネル分のＰ−ＴＲ２２は、冷却ファン２
５で強制空冷されている。A heat sink 23 is provided in the first space, and the P-TRs 22 for a plurality of channels fixed to the base 23a of the heat sink 23
It is forced air cooled at 5.
【００３４】ケーシング２１の背板２１ａの上部に穿っ
た吸入口３０からの吸入風３２ａは断面がＶ字状に形成
された遮蔽板兼用の誘導板２６ａの一方の傾斜部に吹き
付けられて、この一方の傾斜部に誘導された吹出風は誘
導板２６ａの他方の傾斜部で反転されて反転風３２ｅと
成され、プリント回路基板３４に植立したＩＣ３５が配
設されている第３の空間部内に吹き込まれる。The suction air 32a from the suction port 30 formed in the upper part of the back plate 21a of the casing 21 is blown to one inclined portion of a guide plate 26a having a V-shaped cross section and also serving as a shielding plate. The blowing wind guided to one inclined portion is reversed at the other inclined portion of the guide plate 26a to form a reversed wind 32e, and is formed in the third space where the IC 35 planted on the printed circuit board 34 is disposed. Is blown into
【００３５】そして、第３の空間部に配設されたＩＣ３
５を強制空冷しながらケーシング２１の背板２１ａの下
端に穿った排気口２９ａより排気される。Then, the IC 3 provided in the third space portion
5 is forcibly air-cooled and exhausted from an exhaust port 29a formed in the lower end of the back plate 21a of the casing 21.
【００３６】一方、プリント回路基板２７に植立したＩ
Ｃ２８の配設された第２の空間部は、冷却ファン２５か
らの吹出風が誘導板２６ａに沿って吹き出して誘導板２
６ａとケーシング２１の底板間に形成した空隙部３６を
負圧にするので、ケーシング２１の天板の前方に穿った
吸入口３１からの吸入風３２ｃでダクト３３によるダク
トの効果で自然空冷され、排出風３２ｄとして空隙部３
６を介して第３の空間部内に流入し排気口２９ａから排
気される。On the other hand, the I planted on the printed circuit board 27
In the second space in which the C28 is disposed, the air blown from the cooling fan 25 blows out along the guide plate 26a and the guide plate 2a.
Since the gap 36 formed between the base plate 6a and the bottom plate of the casing 21 has a negative pressure, the air is naturally cooled by the effect of the duct 33 by the suction air 32c from the suction port 31 formed in front of the top plate of the casing 21, Void 3 as discharge wind 32d
6, the gas flows into the third space, and is exhausted from the exhaust port 29a.
【００３７】図２Ｂは、第２の空間部に配設した第２の
発熱部材であるＩＣ２８を自然冷却する際に、吸入口３
１から吸入した吸入風３２ｃは、ダクト３３によってケ
ーシング２１の底板の前部に穿った排気口２９ｂから排
気風３２ｄとしても排気する様に成されている。FIG. 2B shows a state in which the IC 28 serving as the second heat generating member disposed in the second space portion is naturally cooled.
The intake air 32c sucked from 1 is exhausted from the exhaust port 29b formed in the front part of the bottom plate of the casing 21 by the duct 33 as the exhaust air 32d.
【００３８】図２Ｃに示す構成は、第１の発熱部材とし
てケーシング２１のパネル２１ｂ側に設けた光ピックア
ップ装置や、ディスク駆動装置等を含むメカデッキ３７
を収納した第１の空間部及びケーシング２１の後部の上
下に第２及び第３の空間部を設けている。The structure shown in FIG. 2C is a mechanical deck 37 including an optical pickup device provided on the panel 21b side of the casing 21 as a first heating member, a disk drive device, and the like.
A second space and a third space are provided above and below the first space in which is stored and the rear part of the casing 21.
【００３９】そして第２の発熱部材としてのプリント回
路基板２７に植立したＩＣ２８と、第３の発熱部材とし
ての電源回路を遮蔽板兼用の誘導板２６ａ及び２６ｂを
介して２分割して、第２及び第３の空間部間に収納させ
る様に成したものである。Then, the IC 28 implanted on the printed circuit board 27 as the second heat generating member and the power supply circuit as the third heat generating member are divided into two parts via the guide plates 26a and 26b also serving as shielding plates. This is designed to be housed between the second and third spaces.
【００４０】第１の空間部に収納したメカデッキ３７
は、パネル２１ｂに形成されたディスク挿入口３８から
強制空冷用の外気が矢印Ａの様に取り込まれる。メカデ
ッキ３８の背面には吸入用の冷却ファン２５が取り付け
られ、冷却ファン２５は、断面Ｖ字状に形成された遮蔽
板兼用の誘導板２６ａの頂部近傍に風を吹き付ける。吹
き付けられた風はケーシング２１の天板及び底板に形成
された排気口２９及び２９ａから傾斜部に沿って排気さ
れる。The mechanical deck 37 housed in the first space
The outside air for forced air cooling is taken in from the disk insertion port 38 formed in the panel 21b as shown by the arrow A. A cooling fan 25 for suction is attached to the rear surface of the mechanical deck 38, and the cooling fan 25 blows wind near the top of a guide plate 26a that also serves as a shielding plate and has a V-shaped cross section. The blown wind is exhausted along the inclined portion from exhaust ports 29 and 29a formed in the top plate and the bottom plate of the casing 21.
【００４１】第２及び第３の空間部を形成するために、
電磁誘導を遮蔽する部材を用いた遮蔽板兼用の第２の誘
導板２６ｂが第１の誘導板２６ａの頂部から水平にケー
シング２１の背板２１ａまで延設されている。In order to form the second and third spaces,
A second guide plate 26b, which also serves as a shield plate using a member for shielding electromagnetic induction, extends horizontally from the top of the first guide plate 26a to the back plate 21a of the casing 21.
【００４２】背板２１ａには、第１及び第２の空間部を
跨ぐ様に複数のベンチレータ３９が並設されている。A plurality of ventilators 39 are juxtaposed on the back plate 21a so as to straddle the first and second spaces.
【００４３】従って第２及び第３の空間部内では第１の
誘導板２６ａに冷却ファン２５で吹き付けられた排気風
が誘導板２６ａに誘導されて、排気口２９ａから排気さ
れることにより、誘導板２６ａの両方の端部が負圧にな
るので、ベンチレータ３９から外気が吸引され、排気口
２９及び２９ａを介して排気され、第１及び第２の空間
部内のＩＣ２８及び３５等を自然空冷する。Therefore, in the second and third spaces, the exhaust air blown to the first guide plate 26a by the cooling fan 25 is guided to the guide plate 26a and is exhausted from the exhaust port 29a, so that the guide plate is exhausted. Since both ends of the pressure chamber 26a have a negative pressure, the outside air is sucked from the ventilator 39, exhausted through the exhaust ports 29 and 29a, and naturally cools the ICs 28 and 35 in the first and second spaces.
【００４４】上述の図２Ａ〜図２Ｃの構成によれば、１
つの冷却ファン２５で３つの空間部に収納された発熱部
材を冷却出来ると共に、互に隣接配置された回路間を誘
導板２６ａ及び２６ｂによって磁気的或は容量的にシー
ルドすることが出来る。According to the configuration shown in FIGS. 2A to 2C, 1
The two cooling fans 25 can cool the heat-generating members housed in the three spaces, and can magnetically or capacitively shield the circuits arranged adjacent to each other by the induction plates 26a and 26b.
【００４５】したがって、電波によるノイズや磁気誘導
及び静電誘導による回路の各種障害を除去可能なＡＶア
ンプ或は光ディスク再生装置等の冷却装置が得られる。Accordingly, a cooling device such as an AV amplifier or an optical disk reproducing device can be obtained which can remove noise due to radio waves and various types of circuit failures due to magnetic induction and electrostatic induction.
【００４６】図３は本発明の電子機器の冷却装置の更に
他の実施例の構成を示す斜視図を示すものである。FIG. 3 is a perspective view showing the structure of still another embodiment of the cooling device for electronic equipment of the present invention.
【００４７】図２Ｃで説明したと同様のメカデッキ３７
内の光ピックアップ４４やディスク駆動モータ等の第１
の発熱部材と、電源回路等の第２の発熱部材を１つの冷
却ファンを介して冷却すると共に、特に清浄な空気を介
して、第１の発熱部材である光ピックアップ４４やディ
スク駆動モータ等を冷却するためにメカデッキ３７を空
気清浄用フィルタ４０を介して冷却する様に成したもの
である。A mechanical deck 37 similar to that described with reference to FIG. 2C
Of the optical pickup 44, the disk drive motor, etc.
And a second heat generating member such as a power supply circuit are cooled through a single cooling fan, and the optical pickup 44 and the disk drive motor, etc., which are the first heat generating member, are cooled through particularly clean air. For cooling, the mechanical deck 37 is cooled via an air cleaning filter 40.
【００４８】即ち、ケーシング２１のパネル４１側には
光ディスクのローディング用の挿入口４２が設けられ、
光ディスク挿入口４２は外気が吸入されない様にリッド
４３が設けられている。That is, an insertion opening 42 for loading an optical disk is provided on the panel 41 side of the casing 21.
The optical disc insertion opening 42 is provided with a lid 43 so that outside air is not sucked.
【００４９】例えば、ケーシング２１の側板に穿った吸
入口３０より吸入した外気は、空気清浄フィルタ４０で
クリーンな空気と成され、第１の発熱部材であるメカデ
ッキ３７内の光ピックアップ４４やディスク駆動モータ
等を冷却ファン２５で強制空冷する。For example, the outside air sucked from the suction port 30 formed in the side plate of the casing 21 is formed into clean air by the air cleaning filter 40, and the optical pickup 44 in the mechanical deck 37, which is the first heat generating member, and the disk drive. The motor and the like are forcibly air-cooled by the cooling fan 25.
【００５０】また、第２の発熱部材である電源回路等が
収納された第２の空間部は、電源回路からの電磁誘導と
放射熱を遮蔽する遮蔽板兼用の誘導板２６で仕切られて
いる。The second space in which the power supply circuit and the like as the second heat generating member are housed is partitioned by an induction plate 26 which also serves as a shielding plate for shielding electromagnetic induction and radiant heat from the power supply circuit. .
【００５１】誘導板２６は、第１及び第２の空間部間に
傾斜して配設され、ケーシング２１の背板２１ａに空隙
部３６を介して排出口２９を形成すると共に第２の空間
部内に吸入風３２ｃを吸入するための吸入孔３１を天板
に形成させる。The guide plate 26 is disposed to be inclined between the first and second spaces, forms a discharge port 29 in the back plate 21a of the casing 21 through a gap 36, and is provided in the second space. Then, a suction hole 31 for sucking the suction air 32c is formed in the top plate.
【００５２】上述の構成で冷却ファン２５で強制空冷し
た清浄空気で第１の発熱部材を強制空冷した後に誘導板
２６に吹き付けられた吹付風は排出風３２ｂとして排出
口２９を介して排出される。After the first heat-generating member is forcibly air-cooled with the clean air that has been forcibly air-cooled by the cooling fan 25 in the above-described configuration, the blown air blown to the guide plate 26 is discharged through the outlet 29 as the discharge air 32b. .
【００５３】一方、誘導板２６に誘導されて排出口２９
から排出風３２ｂを排出することによって、誘導板２６
の端部に形成される空隙部３６が負圧になるので、第２
の空間部内が負圧になって第２の空間部内の第２の発熱
部材である電源回路は、天板に穿った吸入口３１よりの
吸入風３２ｃが背板２１ａに穿った排出口２９から排出
風３２ｄとして排気されて、自然に空冷にされる。On the other hand, the outlet 29 is guided by the guide plate 26.
The exhaust air 32b is discharged from the
Since the gap 36 formed at the end of the nozzle becomes negative pressure,
The power supply circuit, which is a second heat generating member in the second space part due to the negative pressure in the space part, receives the suction air 32c from the suction port 31 formed in the top plate from the discharge port 29 formed in the back plate 21a. The air is exhausted as the exhaust air 32d and naturally cooled by air.
【００５４】従って、この場合も１つの冷却ファン２５
で二つの発熱部材を冷却出来るだけでなく、清浄な空気
で冷却しなければならない光ピックアップ等のレンズ系
に塵埃等が付着しない冷却が可能と成る。Therefore, also in this case, one cooling fan 25
Thus, not only can the two heat-generating members be cooled, but also cooling can be performed such that dust or the like does not adhere to a lens system such as an optical pickup that needs to be cooled with clean air.
【００５５】[0055]
【発明の効果】以上説明した様に、本発明によれば、１
つの冷却ファンで複数の発熱部材を有効に冷却すること
ができる。また、清浄な空気で冷却しなければならない
発熱部材は、フィルタを介して塵埃を濾過した後に強制
空冷することが出来、その冷却風を再利用して自然空冷
させることで、他の発熱部材も冷却することができる。
また、排出口及び吸入口を可能な限り多く穿設する様に
して放熱効果を高める必要がなくなるので、ケーシング
の強度が弱くならず、外形設計に自由度を増すことがで
きる。また、誘導板は、回路間の電磁波の輻射に対する
シールド効果や静電気に対する静電シールド効果、さら
に発熱部からの輻射熱に対する断熱効果を得ることがで
きる。As described above, according to the present invention, 1
A plurality of heat generating members can be effectively cooled by one cooling fan. In addition, the heat-generating members that must be cooled with clean air can be forcibly air-cooled after filtering the dust through a filter, and the other heat-generating members can be cooled by reusing the cooling air and naturally cooling. Can be cooled.
In addition, since it is not necessary to enhance the heat radiation effect by forming as many outlets and inlets as possible, the strength of the casing is not weakened, and the degree of freedom in external design can be increased. Further, the induction plate can obtain a shielding effect against radiation of electromagnetic waves between circuits, an electrostatic shielding effect against static electricity, and a heat insulating effect against radiant heat from the heat generating portion.
【図１】本発明の一実施例を示す電子機器の冷却装置の
側断面図である。FIG. 1 is a side sectional view of a cooling device of an electronic apparatus according to an embodiment of the present invention.
【図２】本発明の他の一実施例を示す電子機器の冷却装
置の側断面図である。FIG. 2 is a side sectional view of a cooling device of an electronic apparatus according to another embodiment of the present invention.
【図３】本発明のさらに他の一実施例を示す電子機器の
冷却装置の構成を示す斜視図である。FIG. 3 is a perspective view illustrating a configuration of a cooling device of an electronic apparatus according to still another embodiment of the present invention.
【図４】従来の冷却装置の構成図である。FIG. 4 is a configuration diagram of a conventional cooling device.
２０‥‥冷却装置、２１‥‥ケーシング、２２‥‥パワ
ートランジスタ（Ｐ−ＴＲ）、２６‥‥誘導板、２９，
２９ａ，２９ｂ‥‥排出口、３０，３１‥‥吸入口20 ‥‥ cooling device, 21 ‥‥ casing, 22 ‥‥ power transistor (P-TR), 26 ‥‥ induction plate, 29,
29a, 29b outlet, 30, 31 inlet
Claims (8)
を有する電子機器の冷却装置に於いて、 上記複数の発熱部材間に設けられた空気流を誘導する誘
導部材を具備し、 上記発熱部材のうち所望の発熱部材を強制空冷させると
共に上記誘導部材に向って送風させ、上記所望の該発熱
部材とは異なる他の発熱部材を、上記誘導部材への送風
で誘導部材の端部に生ずる負圧で自然空冷によって冷却
させて成ることを特徴とする電子機器の冷却装置。1. A cooling device for an electronic device having a casing in which a plurality of heat generating members are disposed, the heat generating member comprising: a guide member provided between the plurality of heat generating members for guiding an air flow; Of the heat generating member is forcibly air-cooled and blown toward the guiding member, and another heat generating member different from the desired heating member is generated at the end of the guiding member by blowing air to the guiding member. A cooling device for an electronic device, wherein the device is cooled by natural air cooling with pressure.
材の端部に前記強制空冷及び自然空冷の排気口を前記ケ
ーシングに設けて成ることを特徴とする請求項１記載の
電子機器の冷却装置。2. The electronic device according to claim 1, wherein said casing is provided with said forced air cooling and natural air cooling exhaust ports at an end of an induction member provided between said plurality of heat generating members. Cooling system.
誘導部材に送風した風を誘導して他の発熱部材に流出さ
せると共に前記自然空冷させた他の発熱部材の前記誘導
部材の端部の排出口からの風をも前記他の発熱部材に送
風させて成ることを特徴とする請求項１記載の電子機器
の冷却装置。3. An end portion of the guide member of the other heat-generating member, wherein the desired heat-generating member is forcibly air-cooled to guide the wind blown to the guide member to flow out to another heat-generating member, and the natural heat-cooled other heat-generating member. 2. The cooling device for an electronic device according to claim 1, wherein the air from the discharge port is also blown to the other heat generating member.
用フィルタを介して冷却して成ることを特徴とする請求
項１乃至請求項３のいずれか１項記載の電子機器の冷却
装置。4. The cooling device for an electronic device according to claim 1, wherein the heat-generating member to be forcibly air-cooled is cooled via an air-cleaning filter.
ことを特徴とする請求項１乃至請求項４のいずれか１項
記載の電子機器の冷却装置。5. The cooling device for an electronic device according to claim 1, wherein the guiding member is also used as a shielding member.
であることを特徴とする請求項５記載の電子機器の冷却
装置。6. The cooling device for an electronic device according to claim 5, wherein said induction member is a member for shielding electromagnetic induction.
であることを特徴とする請求項５記載の電子機器の冷却
装置。7. The cooling device for an electronic device according to claim 5, wherein the guiding member is a member that shields electrostatic induction.
材であることを特徴とする請求項５記載の電子機器の冷
却装置。8. The cooling device for an electronic device according to claim 5, wherein the guide member is a heat insulating member that blocks radiant heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28778697A JPH11112177A (en) | 1997-10-02 | 1997-10-02 | Cooling device for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28778697A JPH11112177A (en) | 1997-10-02 | 1997-10-02 | Cooling device for electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11112177A true JPH11112177A (en) | 1999-04-23 |
Family
ID=17721732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28778697A Withdrawn JPH11112177A (en) | 1997-10-02 | 1997-10-02 | Cooling device for electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11112177A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004235258A (en) * | 2003-01-28 | 2004-08-19 | Fujitsu Ltd | Air duct and electronic device |
| US6934958B2 (en) | 2001-06-18 | 2005-08-23 | Benq Corporation | Airflow guidance structure for heat discharge in optical storage carrier player |
| WO2006106830A1 (en) * | 2005-03-31 | 2006-10-12 | Pioneer Corporation | Housing |
| US7372696B2 (en) | 2005-01-20 | 2008-05-13 | Abb Oy | Cooling device and method for electronic apparatus |
| JP2008197136A (en) * | 2007-02-08 | 2008-08-28 | Sharp Corp | Display device |
| US7421720B2 (en) * | 2002-10-10 | 2008-09-02 | Matsushita Electric Industrial Co., Ltd. | Optical disk device |
| JP2009106116A (en) * | 2007-10-24 | 2009-05-14 | Fuji Electric Systems Co Ltd | Method for cooling heat of sunshine in power conversion device |
| JP2010163274A (en) * | 2009-01-19 | 2010-07-29 | Mitsubishi Electric Corp | Elevator controller |
| JP2016106426A (en) * | 2010-04-23 | 2016-06-16 | ナパテック アクティーゼルスカブ | Thermal control-type assembly |
| JP2016162806A (en) * | 2015-02-27 | 2016-09-05 | 富士通株式会社 | Electronic device housing and wind control plate |
| US9736965B2 (en) | 2014-09-12 | 2017-08-15 | Teac Corporation | Playback device for aircraft |
| JP2017174847A (en) * | 2016-03-18 | 2017-09-28 | 東芝メモリ株式会社 | Semiconductor device |
| CN110754142A (en) * | 2017-06-14 | 2020-02-04 | Nec平台株式会社 | Housing, electronic apparatus, and cooling method |
| JP2020152215A (en) * | 2019-03-19 | 2020-09-24 | 株式会社Ｓｕｂａｒｕ | On-board apparatus unit |
-
1997
- 1997-10-02 JP JP28778697A patent/JPH11112177A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6934958B2 (en) | 2001-06-18 | 2005-08-23 | Benq Corporation | Airflow guidance structure for heat discharge in optical storage carrier player |
| US7421720B2 (en) * | 2002-10-10 | 2008-09-02 | Matsushita Electric Industrial Co., Ltd. | Optical disk device |
| JP2004235258A (en) * | 2003-01-28 | 2004-08-19 | Fujitsu Ltd | Air duct and electronic device |
| US7372696B2 (en) | 2005-01-20 | 2008-05-13 | Abb Oy | Cooling device and method for electronic apparatus |
| WO2006106830A1 (en) * | 2005-03-31 | 2006-10-12 | Pioneer Corporation | Housing |
| JP2008197136A (en) * | 2007-02-08 | 2008-08-28 | Sharp Corp | Display device |
| JP2009106116A (en) * | 2007-10-24 | 2009-05-14 | Fuji Electric Systems Co Ltd | Method for cooling heat of sunshine in power conversion device |
| JP2010163274A (en) * | 2009-01-19 | 2010-07-29 | Mitsubishi Electric Corp | Elevator controller |
| JP2016106426A (en) * | 2010-04-23 | 2016-06-16 | ナパテック アクティーゼルスカブ | Thermal control-type assembly |
| US9736965B2 (en) | 2014-09-12 | 2017-08-15 | Teac Corporation | Playback device for aircraft |
| JP2016162806A (en) * | 2015-02-27 | 2016-09-05 | 富士通株式会社 | Electronic device housing and wind control plate |
| JP2017174847A (en) * | 2016-03-18 | 2017-09-28 | 東芝メモリ株式会社 | Semiconductor device |
| CN110754142A (en) * | 2017-06-14 | 2020-02-04 | Nec平台株式会社 | Housing, electronic apparatus, and cooling method |
| CN110754142B (en) * | 2017-06-14 | 2021-03-12 | Nec平台株式会社 | Housing and electronic device including the same |
| US11224148B2 (en) | 2017-06-14 | 2022-01-11 | Nec Platforms, Ltd. | Case, electronic device, and cooling method |
| JP2020152215A (en) * | 2019-03-19 | 2020-09-24 | 株式会社Ｓｕｂａｒｕ | On-board apparatus unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20041207 |