JPH0621677A - Electronic device - Google Patents
Electronic deviceInfo
- Publication number
- JPH0621677A JPH0621677A JP17847992A JP17847992A JPH0621677A JP H0621677 A JPH0621677 A JP H0621677A JP 17847992 A JP17847992 A JP 17847992A JP 17847992 A JP17847992 A JP 17847992A JP H0621677 A JPH0621677 A JP H0621677A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- duct
- cooling
- electronic device
- fan
- 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 13
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012536 packaging technology 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】この発明は電子機器の実装技術の
改良に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of packaging technology for electronic equipment.
【０００２】[0002]
【従来の技術】従来のこの種の電子機器について説明す
る。図３は、従来の電子機器を示す図である。図におい
て、１は、箱状の筐体で、２は上記筐体１に内蔵された
電源部で通風孔３が設けられている。４は、同じく上記
筐体１に内蔵されたプリント基板、５は上記筐体１に設
けられた通風孔、６はエアフィルタ、７は排気用のファ
ン、８は機器内に導入された空気である。2. Description of the Related Art A conventional electronic device of this type will be described. FIG. 3 is a diagram showing a conventional electronic device. In the figure, reference numeral 1 is a box-shaped housing, and 2 is a power source unit built in the housing 1, in which a ventilation hole 3 is provided. 4 is a printed circuit board also incorporated in the housing 1, 5 is a ventilation hole provided in the housing 1, 6 is an air filter, 7 is an exhaust fan, and 8 is air introduced into the equipment. is there.
【０００３】従来の電子機器の放熱は次の様に行われ
る。まず、エアフィルタ６を通って、空気８が電子機器
に導びかれ、プリント基板で発生した熱を奪いながら電
源２に到る。続いて通風孔３を通って電源２の内部に導
びかれ、ここで発生した熱を奪い、空気８は温度上昇し
て排気用のファン７により機器外に排出される。Heat dissipation from conventional electronic equipment is performed as follows. First, the air 8 is guided to the electronic device through the air filter 6 and reaches the power source 2 while removing the heat generated in the printed circuit board. Subsequently, the air 8 is guided to the inside of the power source 2 through the ventilation holes 3 to remove the heat generated here, and the temperature of the air 8 rises and is discharged to the outside of the device by the exhaust fan 7.
【０００４】[0004]
【発明が解決しようとする課題】従来の電子機器は以上
のように構成されているため、フィルタの目詰りに起因
する故障や事故を防止するため定期的な点検保守が必要
であり、また、空気と一緒に機器内に侵入する湿気やほ
こりが、機器の発錆や導通不良といった不具合に結びつ
く恐れがあった。また、開口部を有しているために電磁
障害を起こしやすいという欠点もあり、さらに電源とプ
リント基板が熱的に干渉仕合うという欠点があった。Since the conventional electronic equipment is constructed as described above, it is necessary to perform regular inspection and maintenance in order to prevent failures and accidents due to clogging of the filter. Moisture and dust that enter the equipment together with air could lead to rusting and poor electrical continuity of the equipment. Further, since it has an opening, it has a drawback that electromagnetic interference is likely to occur, and there is a further drawback that the power source and the printed circuit board are thermally interfered with each other.
【０００５】この発明は上記の様な問題点を解消するた
めになされたもので、比較的簡単な構造で十分な放熱能
力を有し、メインテナンスフリーで、信頼性の高い電子
機器を得ることを目的としている。The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to obtain an electronic device having a relatively simple structure, sufficient heat dissipation capability, maintenance-free, and high reliability. Has an aim.
【０００６】[0006]
【課題を解決するための手段】この発明に係る電子機器
は、筐体内に設けたダクト内に、密閉構造で且つ電気部
品をケース壁面に直付した電源を設置し、上記電源を冷
却するための送風ファンを配し、上記の方法によって、
プリント基板と電源の冷却系統を分離し、間接冷却を実
現するものである。In order to cool the electronic device according to the present invention, a power source having a hermetically-sealed structure and electric parts directly attached to a wall surface of a case is installed in a duct provided in a housing to cool the power source. By allocating a blower fan, by the above method,
Indirect cooling is realized by separating the cooling system of the printed circuit board and power supply.
【０００７】[0007]
【作用】この発明における電子機器の放熱は次のように
行われる。まず、電源部品で発生する熱は、電源のケー
ス壁に伝わり、ファンによって送られた空気に伝わり、
外部へ排出される。次にプリント基板で発生した熱は、
自然放熱により放熱され、電源部と熱的に干渉仕合うこ
とはほとんど無い。The heat dissipation of the electronic device according to the present invention is performed as follows. First, the heat generated by the power supply parts is transferred to the case wall of the power supply and transferred to the air sent by the fan.
It is discharged to the outside. Next, the heat generated on the printed circuit board
It radiates heat by natural heat radiation, and there is almost no thermal interference with the power supply.
【０００８】[0008]
【実施例】実施例１．以下、この発明の実施例につき説
明する。図１は本発明の実施例を示す図で、図２は図１
の断面ＡＡを示す図である。図において、１ａは箱状の
筐体で、９は、上記筐体１ａに沿った４面の遮へい板１
０と上記４面を除く対向する２面に設けられた通風孔１
１とで構成されるダクトである。２ａは、上記ダクト９
内に設置された電源部で、密閉構造となっており、電気
部品１２が、ケース壁面１３に直付されている。また、
上記電源２ａの外周には、略矩形状の冷却フィン１４が
具備されている。上記略矩形状の冷却フィン１４には複
数個の孔１５が設けられており、冷却フィン間を流れる
空気を乱流にして放熱効率を高めるように働く。１６
は、上記電源２ａの外面に送風するための送風ファン
で、１７は空気である。４ａはプリント基板で、外気と
は遮断されている。１８は、上記電源２ａとプリント基
板４ａを電気的に接続するコネクタとケーブルである。
尚、上記冷却フィン１４に設けられた複数個の孔１５
は、複数個の突起物であっても良い。EXAMPLES Example 1. Examples of the present invention will be described below. FIG. 1 is a diagram showing an embodiment of the present invention, and FIG.
It is a figure which shows the cross section AA. In the figure, reference numeral 1a is a box-shaped housing, and 9 is a four-sided shield plate 1 along the housing 1a.
0 and ventilation holes 1 provided on two opposing surfaces except the above four surfaces
It is a duct composed of 1 and 1. 2a is the duct 9
The power supply unit installed inside has a sealed structure, and the electric component 12 is directly attached to the wall surface 13 of the case. Also,
Around the outer periphery of the power source 2a, a cooling fin 14 having a substantially rectangular shape is provided. The cooling fin 14 having a substantially rectangular shape is provided with a plurality of holes 15 and serves to increase the heat radiation efficiency by making the air flowing between the cooling fins turbulent. 16
Is a blower fan for blowing air to the outer surface of the power source 2a, and 17 is air. A printed circuit board 4a is shielded from the outside air. Reference numeral 18 denotes a connector and a cable that electrically connect the power source 2a and the printed circuit board 4a.
A plurality of holes 15 provided in the cooling fin 14
May be a plurality of protrusions.
【０００９】[0009]
【発明の効果】以上のように、この発明によれば間接冷
却の実現により、メインテナンスフリーで、信頼性の高
い電子機器を得ることが出来る。また、電気的な開口部
を無くしたことで電磁障害性が改善され、機器の安定し
た動作が得られる。As described above, according to the present invention, by realizing the indirect cooling, it is possible to obtain a maintenance-free and highly reliable electronic device. Further, by eliminating the electrical opening, electromagnetic interference is improved, and stable operation of the device can be obtained.
【図１】本発明による電子機器を示す図である。FIG. 1 is a diagram showing an electronic device according to the present invention.
【図２】図１の断面ＡＡを示す図である。FIG. 2 is a view showing a cross section AA of FIG.
【図３】従来の電子機器を示す図である。FIG. 3 is a diagram showing a conventional electronic device.
１ 箱状の筐体 １ａ 箱状の筐体 ２ 電源 ２ａ 電源 ３ 通風孔 ４ プリント基板 ４ａ プリント基板 ５ 通風孔 ６ エアフィルタ ７ ファン ８ 空気 ９ ダクト １０ 遮へい板 １１ 通風孔 １２ 電気部品 １３ ケース壁面 １４ 冷却フィン １５ 複数個の孔 １６ ファン １７ 空気 １８ コネクタとケーブル 1 Box-shaped housing 1a Box-shaped housing 2 Power supply 2a Power supply 3 Ventilation hole 4 Printed circuit board 4a Printed circuit board 5 Ventilation hole 6 Air filter 7 Fan 8 Air 9 Duct 10 Shielding plate 11 Ventilation hole 12 Electrical component 13 Case wall surface 14 Cooling fin 15 Multiple holes 16 Fan 17 Air 18 Connector and cable
Claims (1)
リント基板、送風ファン等から構成される電子機器にお
いて、筐体面に沿った４面の遮へい板と上記４面を除く
他の対向した２面に設けた通風孔により形成したダクト
と、このダクト内に配置され、密閉構造で且つ電気部品
をケース壁面に直付している電源と、上記電源の外面を
冷却するための送風ファンと、一方上記ダクトの下方に
外気から遮断するように配置されたプリント基板とから
構成されていることを特徴とする電子機器。1. An electronic device comprising a box-shaped casing, a power supply housed in the casing, a printed circuit board, a blower fan, and the like, and four shield plates along the casing surface and other than the four faces. A duct formed by ventilation holes provided on two opposing surfaces, a power supply which is arranged in the duct and has a hermetically sealed structure, and electric components are directly attached to the wall surface of the case, and a blower for cooling the outer surface of the power supply. An electronic device comprising a fan and a printed circuit board arranged below the duct so as to be shielded from outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17847992A JPH0621677A (en) | 1992-07-06 | 1992-07-06 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17847992A JPH0621677A (en) | 1992-07-06 | 1992-07-06 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0621677A true JPH0621677A (en) | 1994-01-28 |
Family
ID=16049206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17847992A Pending JPH0621677A (en) | 1992-07-06 | 1992-07-06 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0621677A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832988A (en) * | 1997-08-06 | 1998-11-10 | Lucent Technologies, Inc. | Heat exchanger for outdoor equipment enclosures |
| US5926367A (en) * | 1997-12-09 | 1999-07-20 | Intel Corporation | Method and apparatus for the thermal management of electronic devices |
| US6119768A (en) * | 1999-04-20 | 2000-09-19 | Marconi Communications, Inc. | Outdoor equipment cabinet |
| JP2000261174A (en) * | 1999-03-12 | 2000-09-22 | Sharp Corp | Electronic equipment cooling device |
| US20120236498A1 (en) * | 2011-03-17 | 2012-09-20 | Hamilton Sundstrand Corporation | Integrated fan motor and controller housing |
| US20120243177A1 (en) * | 2011-03-21 | 2012-09-27 | Hamilton Sundstrand Corporation | Indirect bleed air cooling of a fan motor controller |
-
1992
- 1992-07-06 JP JP17847992A patent/JPH0621677A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832988A (en) * | 1997-08-06 | 1998-11-10 | Lucent Technologies, Inc. | Heat exchanger for outdoor equipment enclosures |
| US5926367A (en) * | 1997-12-09 | 1999-07-20 | Intel Corporation | Method and apparatus for the thermal management of electronic devices |
| JP2000261174A (en) * | 1999-03-12 | 2000-09-22 | Sharp Corp | Electronic equipment cooling device |
| US6119768A (en) * | 1999-04-20 | 2000-09-19 | Marconi Communications, Inc. | Outdoor equipment cabinet |
| US20120236498A1 (en) * | 2011-03-17 | 2012-09-20 | Hamilton Sundstrand Corporation | Integrated fan motor and controller housing |
| US8593808B2 (en) * | 2011-03-17 | 2013-11-26 | Hamilton Sundstrand Corporation | Integrated fan motor and controller housing |
| US20120243177A1 (en) * | 2011-03-21 | 2012-09-27 | Hamilton Sundstrand Corporation | Indirect bleed air cooling of a fan motor controller |
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