JP2000252675A - Cooler of electronic equipment - Google Patents
Cooler of electronic equipmentInfo
- Publication number
- JP2000252675A JP2000252675A JP11055800A JP5580099A JP2000252675A JP 2000252675 A JP2000252675 A JP 2000252675A JP 11055800 A JP11055800 A JP 11055800A JP 5580099 A JP5580099 A JP 5580099A JP 2000252675 A JP2000252675 A JP 2000252675A
- Authority
- JP
- Japan
- Prior art keywords
- blower
- duct
- cooling
- heat
- air
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば映像表示装
置の電子部品を冷却する場合に使用して好適な電子機器
の冷却装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling device for an electronic device which is suitable for use in, for example, cooling electronic components of a video display device.
【０００２】[0002]
【従来の技術】近年、パーソナルコンピュータは、その
高機能化および低価格化によって広く普及するととも
に、電子プレゼンテーションの利用が広まってきてお
り、これに伴い携帯性の良好な投射装置の必要性が高ま
っている。2. Description of the Related Art In recent years, personal computers have become widespread due to their high functionality and low cost, and the use of electronic presentations has also become widespread. As a result, the need for a projection device with good portability has increased. ing.
【０００３】このような投射装置としては、光源からの
出射光が回転カラーフィルタをＲＢＧ（赤，青，緑）色
の分解光として透過し、これら各透過光が映像表示デバ
イスに照射することにより形成された画像を投射レンズ
によってスクリーン上に拡大投影する色時分割方式の映
像機器が一般に知られている。In such a projection device, light emitted from a light source is transmitted through a rotating color filter as RBG (red, blue, green) color separation light, and each of these transmitted lights irradiates an image display device. 2. Description of the Related Art A color time-division type video device for enlarging and projecting a formed image on a screen by a projection lens is generally known.
【０００４】ところで、この種の投射装置においては、
映像表示デバイスが発熱によって過度に温度上昇する
と、映像表示デバイスによる画像が劣化し、延いては寿
命が短くなって故障してしまうことから、吹き付けタイ
プの冷却装置によって映像表示デバイスを強制空冷する
ことにより、あるいは吸い出しタイプの冷却装置によっ
て発熱部品からの発生熱を機器筐体外に放出することに
より、映像表示デバイスにおける過度の温度上昇を抑制
している。このうち吹き付けタイプの冷却装置は、冷却
風の直接供給によって発熱部品を効果的に冷却すること
から多用されている。In this type of projection device,
If the temperature of the image display device rises excessively due to heat generation, the image displayed by the image display device will be deteriorated, and the service life will be shortened. Or by discharging the heat generated from the heat-generating component to the outside of the device casing by the cooling device of the suction type, an excessive temperature rise in the image display device is suppressed. Of these, the spray-type cooling device is frequently used because it effectively cools the heat-generating components by directly supplying cooling air.
【０００５】従来、この種電子機器の冷却装置には、複
数の発熱部品を内蔵する機器筐体と、この機器筐体内の
各発熱部品に冷却風を供給する複数の送風機とを備えた
ものが採用されている。ところが、この種電子機器の冷
却装置においては、機器筐体内に発熱部品の個数と同数
の送風機を設置するものであるため、送風機の個数が嵩
み、コスト高になる。Conventionally, a cooling device for an electronic device of this type includes a device housing including a plurality of heat-generating components and a plurality of blowers for supplying cooling air to each heat-generating component in the device housing. Has been adopted. However, in this type of cooling device for electronic equipment, the same number of blowers as the number of heat-generating components is installed in the equipment housing, so that the number of blowers increases and the cost increases.
【０００６】このため、図３に示すように、複数の発熱
部品（図示せず）を冷却するための送風機３１と、この
送風機３１からの冷却風を各発熱部品に導く複数の分岐
管３２ａ〜３２ｃを有する送風ダクト３２とを備え、送
風機の個数を削減してコストの低廉化を図ることが行わ
れる。しかるに、このような電子機器の冷却装置におい
ては、各発熱部品が狭い空間に収納されている場合に各
発熱部品から離間する部位に送風機を設置することにな
り、冷却効率が悪くなる。For this reason, as shown in FIG. 3, a blower 31 for cooling a plurality of heat-generating components (not shown) and a plurality of branch pipes 32a to 32b for guiding cooling air from the blower 31 to each heat-generating component. An air duct 32 having an air blower 32c is provided to reduce the number of air blowers and reduce costs. However, in such a cooling device for an electronic device, when each heat-generating component is housed in a narrow space, a blower is installed at a position separated from each heat-generating component, resulting in poor cooling efficiency.
【０００７】そこで、この種電子機器の冷却装置におい
ては、図４に示すように、送風機４１の吐出口に連通す
る主ダクト４２に副ダクト４３，４４を取り付けること
により、ダクト全体を小型化することが行われる。Therefore, in this type of electronic equipment cooling device, as shown in FIG. 4, sub ducts 43 and 44 are attached to a main duct 42 communicating with a discharge port of a blower 41, thereby reducing the size of the entire duct. Is done.
【０００８】[0008]
【発明が解決しようとする課題】しかし、この種電子機
器の冷却装置においては、主ダクト４２の外周面に副ダ
クト４３，４４を取り付けるものであるため、主ダクト
４２と副ダクト４３，４４間の分岐部Ａがくびれをもつ
形状となり、この分岐部Ａで送風時に流れ方向の急激な
変化に伴う冷却風の跳ね返りが起きていた。この結果、
各発熱部品に対する主ダクト４２および副ダクト４３，
４４からの送風量が少なくなり、冷却効果が低下すると
いう問題があった。However, in this type of cooling apparatus for electronic equipment, the auxiliary ducts 43 and 44 are attached to the outer peripheral surface of the main duct 42. The branch A has a constricted shape, and the cooling air bounces at the branch A due to a sudden change in the flow direction during blowing. As a result,
A main duct 42 and a sub duct 43 for each heat generating component,
There has been a problem that the amount of air blown from 44 is reduced and the cooling effect is reduced.
【０００９】なお、特開平４−２７１３３４号公報およ
び特開平１０−１８６５１１号公報にそれぞれ「液晶プ
ロジェクタ」と「投写型表示装置」として先行技術が開
示されているが、前述した課題は解決されていない。Prior arts are disclosed in Japanese Patent Application Laid-Open Nos. 4-271334 and 10-186511 as a "liquid crystal projector" and a "projection display device", respectively, but the above-mentioned problems have been solved. Absent.
【００１０】本発明はこのような事情に鑑みてなされた
もので、各発熱部品に対してダクトからの冷却風を多量
に供給することができ、もって冷却効果を高めることが
できる電子機器の冷却装置の提供を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and it is possible to supply a large amount of cooling air from a duct to each heat-generating component, thereby improving the cooling effect of electronic equipment. The purpose is to provide the device.
【００１１】[0011]
【課題を解決するための手段】前記目的を達成するため
に、本発明の請求項１記載の電子機器の冷却装置は、複
数の発熱部品を内蔵する電子機器用の筐体と、この筐体
に取り付けられ発熱部品を冷却するための送風機とを備
え、この送風機の吐出口に各発熱部品に向かって開口す
る複数の通気孔を有する送風ダクトを取り付け、この送
風ダクト内に送風機による冷却風を通気孔のうち少なく
とも一部の通気孔の開口部に導くリブを設けた構成とし
てある。したがって、送風機からの冷却風が送風ダクト
内に流入すると、リブによって各通気孔の開口部に導か
れ、各開口部から発熱部品に供給される。According to a first aspect of the present invention, there is provided a cooling apparatus for electronic equipment, comprising: a housing for electronic equipment having a plurality of heat-generating components; And a blower for cooling the heat-generating components, and a blower duct having a plurality of ventilation holes opening toward each heat-generating component is attached to a discharge port of the blower, and cooling air from the blower is supplied into the blower duct. A configuration is provided in which ribs leading to openings of at least some of the ventilation holes are provided. Therefore, when the cooling air from the blower flows into the air duct, the cooling air is guided to the openings of the ventilation holes by the ribs, and is supplied to the heat-generating components from the openings.
【００１２】請求項２記載の発明は、請求項１記載の電
子機器の冷却装置において、送風機の吸入口が筐体外に
開口されている構成としてある。したがって、送風機が
駆動すると、筐体外の空気が送風機の吸入口および送風
ダクト内を順次通過して筐体内の各発熱部品に供給され
る。According to a second aspect of the present invention, in the cooling device for an electronic device according to the first aspect, a suction port of the blower is opened outside the housing. Therefore, when the blower is driven, the air outside the housing sequentially passes through the suction port of the blower and the air duct, and is supplied to each heat-generating component in the housing.
【００１３】請求項３記載の発明は、請求項１または２
記載の電子機器の冷却装置において、送風ダクトを、そ
れぞれが組み合わせ面を有する二つの半円筒体によって
形成した構成としてある。したがって、送風ダクトの形
成が、半円筒体の各組み合わせ面を組み合わせることに
より行われる。[0013] The invention according to claim 3 is the invention according to claim 1 or 2.
In the electronic device cooling device described above, the air duct is formed by two semi-cylindrical bodies each having a combination surface. Therefore, the formation of the ventilation duct is performed by combining each combination surface of the semi-cylindrical body.
【００１４】請求項４記載の発明は、請求項１，２また
は３記載の電子機器の冷却装置において、リブが、送風
ダクトの内面に螺旋方向に沿って形成されている構成と
してある。したがって、送風機からの冷却風がリブ上を
螺旋方向に沿って各通気孔の開口部に導かれる。According to a fourth aspect of the present invention, in the cooling device for an electronic device according to the first, second or third aspect, the rib is formed on the inner surface of the air duct along the spiral direction. Therefore, the cooling air from the blower is guided on the ribs along the spiral direction to the openings of the ventilation holes.
【００１５】請求項５記載の発明は、請求項１〜４のう
ちいずれか一記載の電子機器の冷却装置において、リブ
が、送風機の取付位置側から通気孔の開口部に向かって
漸次大きくなるリブ高さをもつ形状とする構成としてあ
る。したがって、各発熱部品に対する各通気孔の開口部
からの冷却風がリブによって多量に供給される。According to a fifth aspect of the present invention, in the cooling device for an electronic device according to any one of the first to fourth aspects, the rib gradually increases from the mounting position side of the blower toward the opening of the ventilation hole. It has a configuration having a rib height. Therefore, a large amount of cooling air is supplied from the opening of each ventilation hole to each heat generating component by the rib.
【００１６】請求項６記載の発明は、請求項１〜５のう
ちいずれか一記載の電子機器の冷却装置において、各通
気孔の開口周縁に各開口部と各発熱部品との間に介在す
る補助送風ダクトを設けた構成としてある。したがっ
て、各通気孔の開口部からの冷却風が補助送風ダクトを
介して各発熱部品に供給される。According to a sixth aspect of the present invention, in the cooling device for an electronic device according to any one of the first to fifth aspects, the cooling device is interposed between each of the openings and each of the heat-generating components around the opening of each of the ventilation holes. The configuration is such that an auxiliary air duct is provided. Therefore, the cooling air from the opening of each ventilation hole is supplied to each heat generating component through the auxiliary air duct.
【００１７】[0017]
【発明の実施の形態】以下、本発明の実施形態につき、
図面を参照して説明する。図１は本発明の第一実施形態
に係る電子機器の冷却装置を示す斜視図、図２（ａ）お
よび（ｂ）は同じく本発明の第一実施形態に係る電子機
器の冷却装置における送風ダクトの要部を示す平面図と
斜視図である。図１および図２（ａ），（ｂ）におい
て、符号１で示す映像表示装置用の冷却装置は、機器筐
体２と、送風機３および送風ダクト４とを備えている。
機器筐体２は、筐体内外に開口する送風機取付口（図示
せず）を有し、複数の発熱部品５〜７等を内蔵してい
る。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. FIG. 1 is a perspective view showing a cooling device for an electronic device according to a first embodiment of the present invention, and FIGS. 2A and 2B are blower ducts in the cooling device for an electronic device according to the first embodiment of the present invention. It is the top view and perspective view which show the principal part of FIG. 1 and FIGS. 2A and 2B, the cooling device for a video display device denoted by reference numeral 1 includes an equipment housing 2, a blower 3, and a blow duct 4.
The device housing 2 has a blower mounting opening (not shown) that opens inside and outside the housing, and incorporates a plurality of heat generating components 5 to 7 and the like.
【００１８】送風機３は、軸線方向に沿って冷却風を供
給する軸流ファンからなり、機器筐体２における送風機
取付口の開口周縁に吸入口３ａを外部に露呈させて取り
付けられている。これにより、送風機３が駆動すると、
機器筐体２外の空気が送風機３の吸入口３ａ，吐出口
（図示せず）および送風ダクト４内を順次通過し、機器
筐体２内の各発熱部品５〜７が冷却される。The blower 3 is composed of an axial fan for supplying cooling air along the axial direction, and is mounted on the equipment housing 2 so as to expose the suction port 3a to the outside of the opening of the blower mounting port. Thereby, when the blower 3 is driven,
The air outside the device housing 2 sequentially passes through the suction port 3a, the discharge port (not shown) of the blower 3 and the inside of the blower duct 4, and the heat generating components 5 to 7 in the device housing 2 are cooled.
【００１９】送風ダクト４は、それぞれが組み合わせ面
４ａ1，４ｂ1(組み合わせ面４ｂ1は図示せず）を有する
二つの半円筒体４ａ，４ｂからなり、送風機３における
吐出口の開口周縁に複数の取付ねじ８によって固定され
ている。これにより、送風ダクト４の形成が、半円筒体
４ａ，４ｂの各組み合わせ面４ａ1，４ｂ1を組み合わせ
て円筒状とし、これら各組み合わせ面４ａ1，４ｂ1を例
えば溶接することにより行われる。The ventilation duct 4, the two semi-cylindrical bodies 4a, each having a combination surface 4a 1, 4b 1 (coupling side 4b 1 is not shown), made of 4b, a plurality in the opening peripheral edge of the discharge port in the blower 3 Is fixed by the mounting screw 8. As a result, the air duct 4 is formed by combining the combined surfaces 4a 1 and 4b 1 of the semi-cylindrical bodies 4a and 4b into a cylindrical shape, and welding the combined surfaces 4a 1 and 4b 1, for example.
【００２０】この場合、送風ダクト４の形成方法は、上
述した方法に限定されず、例えば次に示すような方法が
ある。すなわち、送風ダクト４の形成は、予め半円筒体
４ａ，４ｂの各組み合わせ面４ａ1，４ｂ1にそれぞれ互
いに嵌合可能な凹凸部（図示せず）を設け、次にこれら
半円筒体４ａ，４ｂの凹凸部を嵌合して円筒状とするこ
とにより行われる。In this case, the method of forming the ventilation duct 4 is not limited to the above-described method, and for example, there is the following method. That is, the air duct 4 is formed in advance by providing concave and convex portions (not shown) that can be fitted to each other on the combined surfaces 4a 1 and 4b 1 of the semi-cylindrical bodies 4a and 4b. This is performed by fitting the concave and convex portions of 4b into a cylindrical shape.
【００２１】また、送風ダクト４の形成は、半円筒体４
ａ，４ｂの各組み合わせ面４ａ1，４ｂ1を組み合わせて
円筒状とし、これら各半円筒体４ａ，４ｂを互いに取付
ねじ（図示せず）で固定することにより行われる。The air duct 4 is formed by the semi-cylindrical body 4
This is performed by combining the respective combination surfaces 4a 1 and 4b 1 of a and 4b into a cylindrical shape, and fixing the respective semi-cylindrical bodies 4a and 4b to each other with mounting screws (not shown).
【００２２】各半円筒体４ａ，４ｂは、ほぼ同一の形状
であるため、一方の半円筒体４ａについてのみ説明する
と、半円筒体４ａは、各口径が互いに異なる大小二つの
半円筒部４ａ2，４ａ3と、これら両半円筒部４ａ2，４
ａ3に連接する傾斜部４ａ4とによって形成されている。Since the semi-cylindrical members 4a and 4b have substantially the same shape, only one semi-cylindrical member 4a will be described. The semi-cylindrical member 4a has two large and small semi-cylindrical portions 4a 2 having different diameters. , and 4a 3, the both semicylindrical portions 4a 2, 4
It is formed by an inclined portion 4a 4 which connects to a 3.
【００２３】半円筒部４ａ2の外周面には、円周方向に
所定の間隔をもって並列する二つの取付部９，１０が一
体に設けられている。これら各取付部９，１０には、送
風機３側に開口し、かつ各取付ねじ８が螺合するねじ孔
９ａ，１０ａが設けられている。 On the outer peripheral surface of the semi-cylindrical portion 4a2, two mounting portions 9, 10 which are arranged side by side at predetermined intervals in the circumferential direction are integrally provided. These mounting portions 9 and 10 are provided with screw holes 9a and 10a which are open toward the blower 3 and into which the mounting screws 8 are screwed.
【００２４】半円筒部４ａ3には、各発熱部品５〜７に
向かって開口する複数の通気孔１１〜１３が設けられて
いる。これら各通気孔１１〜１３のうち通気孔１１は、
送風機３の直下方すなわち送風ダクト４の軸線下方に開
口されている。一方、通気孔１２，１３は、送風ダクト
４の径方向に開口されている。[0024] The semi-cylindrical portion 4a 3, a plurality of vent holes 11 to 13, openings are provided toward the heat-generating components 5-7. The vent 11 among these vents 11 to 13 is:
It is opened right below the blower 3, that is, below the axis of the blow duct 4. On the other hand, the ventilation holes 12 and 13 are opened in the radial direction of the ventilation duct 4.
【００２５】そして、半円筒部４ａ3の内周面には、送
風機３による冷却風を通気孔１２，１３の開口部１２
ａ，１３ａに導くリブ１４，１５（リブ１５は図示せ
ず）が設けられている。[0025] Then, on the inner peripheral surface of the semi-cylindrical portion 4a 3, the opening 12 of the vent holes 12 and 13 the cooling air generated by the blower 3
Ribs 14 and 15 (the ribs 15 are not shown) are provided to lead to a and 13a.
【００２６】これら各リブ１４，１５は、送風機３の取
付位置近傍から通気孔１２，１３の開口部１２ａ，１３
ａに向かって漸次大きくなるリブ高さをもつ形状を有
し、送風ダクト４の内周面に螺旋方向に沿って形成され
ている。Each of the ribs 14 and 15 is formed near the mounting position of the blower 3 from the opening 12 a or 13 of the ventilation hole 12 or 13.
It has a shape with a rib height that gradually increases toward a, and is formed on the inner peripheral surface of the blower duct 4 along the spiral direction.
【００２７】これにより、送風機３から多量の冷却風が
リブ１４，１５に沿って各通気孔１２，１３の開口部１
２ａ，１３ａに導かれる。また、各リブ１４，１５のリ
ブ高さが送風機側で低いことは、送風機３から吐出方向
に冷却風が円滑に吐き出され、通気孔１１の開口部１１
ａに対して多量の冷却風が供給される。As a result, a large amount of cooling air is blown from the blower 3 along the ribs 14 and 15 to the openings 1 of the ventilation holes 12 and 13.
2a and 13a. In addition, the fact that the rib height of each of the ribs 14 and 15 is lower on the side of the blower means that the cooling air is smoothly discharged from the blower 3 in the discharge direction and the opening 11 of the ventilation hole 11 is formed.
A large amount of cooling air is supplied to a.
【００２８】なお、各リブ１４，１５の開口部１２ａ，
１３ａにおけるダクト内面に対する角度は、送風機３の
送風パワーおよびダクト寸法から算出される。It should be noted that the openings 12a,
The angle with respect to the inner surface of the duct at 13a is calculated from the blowing power of the blower 3 and the duct size.
【００２９】このように構成された電子機器の冷却装置
においては、送風機３が駆動すると、送風機３からの冷
却風がダクト軸線下方に沿って送風ダクト４内に吐き出
され、図１に矢印ａで示すように通気孔１１の開口部１
１ａに導かれるとともに、同図に矢印ｂで示すようにリ
ブ１４，１５によって通気孔１２，１３の開口部１２
ａ，１３ａに導かれ、各開口部１２ａ，１３ａから発熱
部品５〜７に供給される。In the cooling device for an electronic device configured as described above, when the blower 3 is driven, the cooling air from the blower 3 is discharged into the blower duct 4 along the lower part of the duct axis. As shown in FIG.
1a, and as shown by the arrow b in FIG.
a, 13a, and is supplied to the heat-generating components 5 to 7 from the openings 12a, 13a.
【００３０】この場合、送風機３の特性から冷却風が送
風ダクト４の軸線下方に供給されるが、リブ１４，１５
によってその一部の冷却風が送風ダクト４の径方向にも
供給される。すなわち、発熱部品５に対する送風機３か
らの冷却風がその特性によって通気孔１１から供給され
るとともに、各発熱部品６，７に対する送風機３からの
冷却風がリブ１４，１５によって送風量を増加させて供
給される。In this case, the cooling air is supplied below the axis of the air duct 4 due to the characteristics of the air blower 3.
As a result, a part of the cooling air is also supplied in the radial direction of the air duct 4. That is, the cooling air from the blower 3 to the heat-generating component 5 is supplied from the vent hole 11 by its characteristics, and the cooling air from the blower 3 to the heat-generating components 6 and 7 increases the blowing amount by the ribs 14 and 15. Supplied.
【００３１】したがって、本実施形態においては、従来
のように送風時に流れ方向の急激な変化に伴う冷却風の
跳ね返りが起きないから、各発熱部品５〜７に対して送
風ダクト４からの冷却風を多量に供給することができ
る。Therefore, in the present embodiment, since the cooling air does not rebound due to a sudden change in the flow direction at the time of blowing, unlike the conventional case, the cooling air from the blowing duct 4 is applied to each of the heat generating components 5 to 7. Can be supplied in large quantities.
【００３２】また、本実施形態においては、機器筐体２
内に単一の送風機３を設置するものであるから、すなわ
ち従来のように機器筐体内に発熱部品の個数と同数の送
風機を設置する必要がないから、送風機の個数を削減す
ることができ、コストの低廉化を図ることができる。In this embodiment, the device housing 2
Since a single blower 3 is installed in the inside, that is, since it is not necessary to install the same number of blowers as the number of heat-generating components in the device housing as in the conventional case, the number of blowers can be reduced, Cost can be reduced.
【００３３】この他、本実施形態において、通気孔１１
〜１３の開口部１１ａ〜１３ａから発熱部品５〜７に向
かって冷却風が供給されることは、各発熱部品５〜７が
狭い空間に収納されている場合に各発熱部品５〜７から
離間する部位に送風機３を設置することができるから、
冷却効率を高めることができる。In addition, in this embodiment, the air holes 11
The cooling air is supplied from the openings 11a to 13a of the heat generating components 5 to 7 to the heat generating components 5 to 7 when the heat generating components 5 to 7 are housed in a narrow space. Because the blower 3 can be installed in the part where
Cooling efficiency can be increased.
【００３４】また、本実施形態においては、送風ダクト
として従来のように送風機からの冷却風を各発熱部品に
導く複数の分岐管を有するものでないから、ダクト全体
の小型化を図ることができる。Further, in this embodiment, since the air duct does not have a plurality of branch pipes for guiding the cooling air from the blower to each heat-generating component as in the related art, the entire duct can be reduced in size.
【００３５】なお、本実施形態においては、通気孔１
２，１３の開口部１２ａ，１３ａから発熱部品６，７に
冷却風を供給する場合について説明したが、本発明はこ
れに限定されず、各通気孔１２，１３の開口周縁に各開
口部１２ａ，１３ａと各発熱部品６，７との間に介在す
る補助送風ダクト（図示せず）を設け、これら各補助送
風ダクトを介して各通気孔１２，１３の開口部１２ａ，
１３ａからの冷却風が各発熱部品６，７に供給されるよ
うにしてもよい。In this embodiment, the air holes 1
Although the case where cooling air is supplied to the heat-generating components 6 and 7 from the openings 12 a and 13 a of the ventilation holes 12 and 13 has been described, the present invention is not limited to this. , 13a and the heat-generating components 6, 7 are provided with auxiliary air ducts (not shown), and the openings 12a, 12a,
The cooling air from 13a may be supplied to each of the heat generating components 6, 7.
【００３６】この場合、各通気孔１２，１３の開口周縁
に補助ダクトを着脱自在に取り付けると、機器筐体２の
スペースおよび各発熱部品５〜７の収納位置に応じて補
助ダクトを選択することができる。In this case, if an auxiliary duct is detachably attached to the periphery of the opening of each of the ventilation holes 12 and 13, the auxiliary duct can be selected according to the space of the equipment housing 2 and the storage positions of the heat generating components 5 to 7. Can be.
【００３７】また、本実施形態においては、映像表示装
置に適用する場合について説明したが、本発明はこれに
限定されず、他の電子機器にも実施形態と同様に適用で
きることは勿論である。In the present embodiment, the case where the present invention is applied to a video display device has been described. However, the present invention is not limited to this, and it is needless to say that the present invention can be applied to other electronic devices in the same manner as the embodiment.
【００３８】[0038]
【発明の効果】以上説明したように本発明によれば、送
風機の吐出口に各発熱部品に向かって開口する複数の通
気孔を有する送風ダクトを取り付け、この送風ダクト内
に送風機による冷却風を通気孔のうち少なくとも一部の
通気孔の開口部に導くリブを設けたので、送風機からの
冷却風が送風ダクト内に流入すると、リブによって各通
気孔の開口部に導かれ、各開口部から発熱部品に供給さ
れる。As described above, according to the present invention, a blower duct having a plurality of ventilation holes opening toward each heat-generating component is attached to the discharge port of the blower, and cooling air from the blower is supplied into the blower duct. Since the ribs leading to the openings of at least some of the ventilation holes are provided, when the cooling air from the blower flows into the ventilation duct, the ribs guide the cooling air to the openings of the ventilation holes, and from each opening. Supplied to heating components.
【００３９】したがって、従来のように送風時に流れ方
向の急激な変化に伴う冷却風の跳ね返りが起きないか
ら、各発熱部品に対して送風ダクトからの冷却風を多量
に供給することができ、冷却効果を確実に高めることが
できる。Therefore, since the cooling air does not rebound due to a sudden change in the flow direction at the time of air blowing as in the prior art, a large amount of cooling air from the air blowing duct can be supplied to each heat-generating component. The effect can be reliably increased.
【図１】本発明の第一実施形態に係る電子機器の冷却装
置を示す斜視図である。FIG. 1 is a perspective view showing a cooling device for an electronic device according to a first embodiment of the present invention.
【図２】（ａ）および（ｂ）は同じく本発明の第一実施
形態に係る電子機器の冷却装置における送風ダクトの要
部を示す平面図と斜視図である。FIGS. 2A and 2B are a plan view and a perspective view, respectively, showing a main part of a blower duct in the cooling device for an electronic device according to the first embodiment of the present invention.
【図３】従来における電子機器の冷却装置（１）を示す
斜視図である。FIG. 3 is a perspective view showing a cooling device (1) for a conventional electronic device.
【図４】従来における電子機器の冷却装置（２）を示す
斜視図である。FIG. 4 is a perspective view showing a cooling device (2) for a conventional electronic device.
１ 冷却装置 ２ 機器筐体 ３ 送風機 ３ａ 吸入口 ４ 送風ダクト ４ａ，４ｂ 半円筒体 ４ａ2，４ａ3 半円筒部 ４ａ4 傾斜部 ５〜７ 発熱部品 １１〜１３ 通気孔 １１ａ〜１３ａ 開口部 １４，１５ リブFirst cooling device 2 apparatus housing 3 fans 3a inlet 4 air duct 4a, 4b semicylindrical body 4a 2, 4a 3 semi-cylindrical portion 4a 4 inclined section 5-7 heat generating component 11 to 13 vent 11a~13a opening 14, 15 ribs
Claims (6)
筐体と、 この筐体に取り付けられ、前記発熱部品を冷却するため
の送風機とを備え、 この送風機の吐出口に前記各発熱部品に向かって開口す
る複数の通気孔を有する送風ダクトを取り付け、 この送風ダクト内に前記送風機による冷却風を前記通気
孔のうち少なくとも一部の通気孔の開口部に導くリブを
設けたことを特徴とする電子機器の冷却装置。An electronic device housing including a plurality of heat-generating components; and a blower attached to the housing for cooling the heat-generating components, wherein each of the heat-generating components is provided at a discharge port of the blower. A ventilation duct having a plurality of ventilation holes that open toward the front, and a rib for guiding cooling air from the blower to at least some of the ventilation holes among the ventilation holes is provided in the ventilation duct. Electronic equipment cooling device.
されてい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 cooling device for an electronic device according to claim 1, wherein a suction port of the blower is opened outside the housing.
せ面を有する二つの半円筒体によって形成したことを特
徴とする請求項１または２記載の電子機器の冷却装置。3. The cooling device for electronic equipment according to claim 1, wherein said air duct is formed by two semi-cylindrical bodies each having a combination surface.
旋方向に沿って形成されていることを特徴とする請求項
１，２または３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 rib is formed in a spiral direction on an inner surface of the air duct.
ら前記通気孔の開口部に向かって漸次大きくなるリブ高
さをもつ形状とすることを特徴とする請求項１〜４のう
ちいずれか一記載の電子機器の冷却装置。5. The air conditioner according to claim 1, wherein the rib has a height gradually increasing from an installation position of the blower toward an opening of the ventilation hole. A cooling device for an electronic device according to claim 1.
と前記各発熱部品との間に介在する補助送風ダクトを設
けたことを特徴とする請求項１〜５のうちいずれか一記
載の電子機器の冷却装置。6. An air supply duct according to claim 1, wherein an auxiliary air duct is provided between the openings and the heat-generating components at the periphery of the openings of the ventilation holes. Electronic equipment cooling equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11055800A JP2000252675A (en) | 1999-03-03 | 1999-03-03 | Cooler of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11055800A JP2000252675A (en) | 1999-03-03 | 1999-03-03 | Cooler of electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000252675A true JP2000252675A (en) | 2000-09-14 |
Family
ID=13009000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11055800A Pending JP2000252675A (en) | 1999-03-03 | 1999-03-03 | Cooler of electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000252675A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009176845A (en) * | 2008-01-23 | 2009-08-06 | Sony Corp | Cooling duct, and electronic apparatus |
| KR100939992B1 (en) * | 2002-11-21 | 2010-02-03 | 삼성전자주식회사 | Cooling Apparatus, and Electric-Electronic Equipment with the Cooling Apparatus |
| JP2012256768A (en) * | 2011-06-10 | 2012-12-27 | Hitachi Ltd | Control apparatus |
| CN113438862A (en) * | 2021-06-21 | 2021-09-24 | 明峰医疗系统股份有限公司 | Heat dissipation device of CT detector assembly and design method thereof |
| WO2023214480A1 (en) * | 2022-05-02 | 2023-11-09 | ソニーグループ株式会社 | Cooling device |
-
1999
- 1999-03-03 JP JP11055800A patent/JP2000252675A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100939992B1 (en) * | 2002-11-21 | 2010-02-03 | 삼성전자주식회사 | Cooling Apparatus, and Electric-Electronic Equipment with the Cooling Apparatus |
| JP2009176845A (en) * | 2008-01-23 | 2009-08-06 | Sony Corp | Cooling duct, and electronic apparatus |
| JP4530054B2 (en) * | 2008-01-23 | 2010-08-25 | ソニー株式会社 | Cooling ducts and electronics |
| US7990706B2 (en) | 2008-01-23 | 2011-08-02 | Sony Corporation | Cooling duct and electronic apparatus |
| JP2012256768A (en) * | 2011-06-10 | 2012-12-27 | Hitachi Ltd | Control apparatus |
| CN113438862A (en) * | 2021-06-21 | 2021-09-24 | 明峰医疗系统股份有限公司 | Heat dissipation device of CT detector assembly and design method thereof |
| WO2023214480A1 (en) * | 2022-05-02 | 2023-11-09 | ソニーグループ株式会社 | Cooling device |
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