WO1999062311A1 - Dispositif de refroidissement pour materiel electrique - Google Patents
Dispositif de refroidissement pour materiel electrique Download PDFInfo
- Publication number
- WO1999062311A1 WO1999062311A1 PCT/JP1999/002704 JP9902704W WO9962311A1 WO 1999062311 A1 WO1999062311 A1 WO 1999062311A1 JP 9902704 W JP9902704 W JP 9902704W WO 9962311 A1 WO9962311 A1 WO 9962311A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fan
- cooling
- fan guard
- heat sink
- projection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
Definitions
- the present invention relates to a cooling device used for a control device g of an inverter or the like.
- FIGS. 3 and 4 Conventional cooling devices for electric equipment are shown in FIGS. 3 and 4.
- FIG. 3 Conventional cooling devices for electric equipment are shown in FIGS. 3 and 4.
- reference numeral 21 denotes a heat sink of a control device S such as an inverter, which is not shown in the drawing.
- the heat sink 21 is formed by a side portion 23 provided on both sides of the flat portion 22 and the HUB flat portion 22. It consists of a U-shaped frame 24 and fins 25.
- a non-illustrated oscillating element or the like is mounted, or heat is generated to generate heat.
- 26 is a cooling fan attached to the frame 24 of the ttilB heat sink 1
- 27 is a fan guard attached to the 3 ⁇ 415 cooling fan 26 to cover the front of this cooling fan 26 with the grid 28 .
- the cooling fan 26 and the rlE fan guard 27 have threaded holes 29 and 30 at the same positions, respectively, and the long screw holes 31 are used for these holes 29 and 3Q. And fixed to the ffJLE heat sink 21 by screwing it into a screw hole, not shown, formed on the frame 24 of the heat sink 21. .
- cooling air is generated from the power of the P fan 26, and it goes inside the ⁇ of the heat sink 21.
- the cooling air passes through the space between the fins 25 of the heat sink 21 and is discharged to the outside of the control device S or the like.
- the cooling air passes through the fins 25, heat is generated between the fins 25 and the cooling air, and the mjg of the heat sink 21 that has absorbed the heat of the element (not shown) decreases. As a result, the equipment such as the control device is cooled.
- Cooling air is wrapped around the side of the cooling fan 26, and the cooling air usage efficiency But evil ⁇
- the cooling air from the cooling fan 26 is generated in a direction inclined in the rotation direction with respect to the rotation axis of the cooling fan 26 as shown by the arrow. Cooling air passing because the ⁇ body 2 8 fan guard 2 7 obliquely when it is sucked toward the cooling fan 2 6, together with the ventilation resistance of the body 2 8 is ⁇ , substantial ventilation interview And the cooling efficiency decreases. In addition, since the corners of the grid 28 protrude above the passage of the cooling air, air can grow from the corners and wind noise is generated.
- the tine cooling fan 26 and the tine fan guard 21 are fastened and fixed to the frame 24 of the heat sink 21 with a screw tightening screw 3.
- a screw tightening screw 3 As a result, the positioning, holding, and tightening of the tightening screws 31 for individual items are performed at the same time, resulting in poor workability and assemblability.
- the purpose of this effort is to provide an electric cooling device that has a low cooling efficiency and can easily install a cooling fan and a fan guard. Things.
- the electrical equipment of the present invention has a flat U-shaped frame consisting of side surfaces provided on both sides of the flat part of the ffr! E flat part, and a ⁇ ⁇ ⁇ 3 ⁇ 4 ⁇ body.
- a fan guard formed on the side surface of the ⁇ 1 ⁇ body; a heat sink having a mounting hole; a fan having an engagement recess on the side; a fan guard body; and a fan guard body provided at both ends of the body.
- B fan guard body is provided with a body, and the ns side plate is provided with a wind guide section first, and itna ⁇
- the fan is provided with a fan mounting engagement projection that engages with the cooling fan, and a projection support having an engagement projection for attaching the fan guard to the heat sink is provided on the outer surface. .
- the cooling air is guided to the heat sink by the air guide section of the fan guard, and the cooling efficiency is increased by generating the smooth cooling air of the flow, while the cooling fan and fan guard, and the fan guard and heat sink are connected.
- the fan can be fixed to the fan guard by a so-called snap-in, and the cooling fan and the fan guard can be easily attached to and detached from the heat sink.
- the present invention has the following effects.
- a side plate 11 is provided on the fan guard 9, and the side plate 11 is extended so as to be longer than the cooling fan 7, and is guided so as to be located on a side of the heat sink 1 relative to an end surface of the fin 5 of the heat sink 1. 3 ⁇ 4Because of the provision of 5 17, there is no wraparound of chilled P wind. Therefore, the wind generated by the cooling fan 7 can flow smoothly and smoothly to the heat sink 1, and the cooling efficiency is greatly improved.
- the fan guard 9 Since the fan guard 9 is provided with a long side and the side plate 11 is provided to form the projection support portion 15 long, the projection support ⁇ (the engagement projection 14 provided on the As a result, the projection support portion 15 can be bent with a small force, and the engagement projection 14 can be easily attached and detached, so that the attachment and detachment of the fan guard 9 on the heat sink 1 is extremely easy. It can be carried out.
- FIG. 1 is an exploded perspective view showing a cooling device g of an electric device according to an embodiment of the present invention.
- FIGS. 2A and 2B show a cooling device of the embodiment of the present invention.
- FIG. 2A is a plan sectional view of a main part
- FIG. 2B is an enlarged view of a part A in FIG.
- FIG. 3 is an exploded perspective view showing a conventional cooling device for electric equipment.
- FIGS. 4A and 4B show a conventional cooling device for an electric appliance.
- FIG. 4A is a plan view of the essential part
- FIG. 4B is an enlarged view of a portion B in FIG.
- FIG. 1 is a schematic diagram showing a cooling device for an electric rinsing device
- FIG. 2 shows a cooling device according to an embodiment of the present invention
- (a) is a plan sectional view of a part
- (b) is a sectional view of (a). It is an enlarged view of the A section in FIG.
- reference numeral 1 denotes a heat sink of a control device, such as an inverter (not shown), which comprises a U-shaped frame 4 composed of a flat portion 2 and side portions 3 provided on both sides of the ftHS flat portion 2, a fin 5, and a force. ing. ⁇ ⁇ Fan guard mounting holes 6 are formed in the side surface portion 3.
- a not-shown child element or the like is mounted, or is thermally connected to heat generation.
- Reference numeral 7 denotes a cooling fan to be attached to the frame 4 of the heat sink 1 and has an engaging recess 8 on a side surface.
- the ItllH fan guard 9 is a fan guard that attaches to the tiFlE cooling fan 7 so as to cover the front of the cooling fan 7.
- the ItllH fan guard 9 is composed of a fan guard body 10 and side plates 11 provided at both ends of the ItrlE fan guard body 10 and has a U-shape.
- a lattice body 12 is formed in the ventilation part, and the side plate 11 is provided with a ⁇ cooling fan 7 on the inner surface thereof, and the power plate is engaged with the fan.
- a projection support portion 15 having an engagement projection 14 for attaching the fan guard 9 to the heat sink 1 is provided on the outer surface.
- the projection support portion 15 has elasticity, and has a knob 1: 6 at the tip for removing the engagement! Further, the side plate 11 is provided with a wind guide portion 17 at a tip portion.
- the cooling fan 7 is attached to the fan guard 9, It is set to be longer than the cooling fan 7.
- 18 is a placard.
- the cooling terminal 7 is pushed into the side plate 11 and the fan mounting engagement projections 13 of the side plate 11 are engaged with the cooling recesses 8 of the cooling fan 7. Then, the cooling fan 7 is attached to the fan guard 9 by so-called snap-in.
- the knob 16 is pushed inward to bend the projection support 15 inward.
- the engaging projections 14 move inward and are disengaged from the fan guard mounting holes 6, and are removed from the heat sink 1 with the fan guard 9 and the cooling fan .7 still attached.
- Cooling in the cooling device having such a configuration is performed as follows.
- the air guiding portion 17 provided on the side plate 11 of the fan guard 9 extends longer than the cooling fan 7 and is located on the inner side of the heat sink 1 with respect to the end surface of the fin 5 of the heat sink 1.
- the gap between the cooling fan 7 and the fin 5 of the heat sink 1 is not formed at substantially the same axial position over the entire surface of the cooling fan 7 in the width direction, and turbulence occurs in the gap. Even so, the cooling air is guided by the li! S air guide section 17 and flows between the fins 5. did Accordingly, the cooling air generated by the cooling fan 7 'does not flow again to the intake side of the cooling fan 7.
- the cooling air is effectively discharged from the end of the heat sink 1 to the outside of the control device through the space between the fins 5 of the heat sinter 1 without leaking to the outside.
- the cooling air passes between the fins 5, heat is exchanged between the fins 5 and the cooling air. 1 ⁇ 2 decreases. As a result,! 8 ⁇ of the control device and the like is performed.
- the lattice body 12 of the fangade 9 has a circumferential side surface extending along the direction of the cooling air, so that the ventilation resistance is reduced, and The qualitative ventilation area increases, and the cooling efficiency improves. Furthermore, since there is no protruding part in the ventilation part, no air droplets are generated and the wind noise is low.
- the fan guard 9 is formed by forming the side plate 1: 1 and forming a long support 15, the support provided on the protrusion support portion 15 is formed.
- the projection 14 has elasticity, so that the projection support 15 can be carried with a small force, so that the engagement projection 14 can be easily attached and detached. Therefore, the attachment / detachment of the fan guard 9 to / from the heat sink 1 can be extremely easily performed.
- the knob 16 of the projection support section 15 is located on the front, the engagement of the engagement projection 14 can be determined by the position of the knob 16 (the engagement projection 14 If you are not engaged, you are on the inside.)
- the present invention is applied to a cooling device g of a pneumatic device used for a control device such as an inverter to easily attach a cooling fan and a fan guard with high cooling efficiency and low noise. It can be used in the field of manufacturing and manufacturing other syrups.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69913131T DE69913131T2 (de) | 1998-05-26 | 1999-05-24 | Kühlvorrichtung für ein elektrisches gerät |
EP99921238A EP1081995B1 (en) | 1998-05-26 | 1999-05-24 | Cooling device for electric equipment |
US09/700,957 US6921328B1 (en) | 1998-05-26 | 1999-05-24 | Cooling device for electric equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/163001 | 1998-05-26 | ||
JP16300198A JP4066282B2 (ja) | 1998-05-26 | 1998-05-26 | 電気機器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999062311A1 true WO1999062311A1 (fr) | 1999-12-02 |
Family
ID=15765320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002704 WO1999062311A1 (fr) | 1998-05-26 | 1999-05-24 | Dispositif de refroidissement pour materiel electrique |
Country Status (7)
Country | Link |
---|---|
US (1) | US6921328B1 (ja) |
EP (1) | EP1081995B1 (ja) |
JP (1) | JP4066282B2 (ja) |
KR (1) | KR100592012B1 (ja) |
DE (1) | DE69913131T2 (ja) |
ES (1) | ES2212555T3 (ja) |
WO (1) | WO1999062311A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108483887A (zh) * | 2018-04-24 | 2018-09-04 | 浙江卡莎罗新型装饰材料有限公司 | 一种玻璃马赛克生产用冷却装置 |
Families Citing this family (27)
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KR100721906B1 (ko) | 2003-10-06 | 2007-05-28 | 삼성전자주식회사 | 팬 어셈블리 |
JP4207755B2 (ja) * | 2003-11-07 | 2009-01-14 | 株式会社豊田自動織機 | 電子機器装置 |
US7265985B2 (en) * | 2004-12-29 | 2007-09-04 | Motorola, Inc. | Heat sink and component support assembly |
JP4752291B2 (ja) * | 2005-03-02 | 2011-08-17 | 船井電機株式会社 | プロジェクタ |
TWM275458U (en) * | 2005-04-01 | 2005-09-11 | Foxconn Tech Co Ltd | Heat dissipation device |
JP4772369B2 (ja) * | 2005-04-22 | 2011-09-14 | 京セラミタ株式会社 | 冷却ファンの固定装置 |
US7214032B2 (en) * | 2005-04-26 | 2007-05-08 | Bestec Power Electronics Co., Ltd. | Heat dissipating device |
JP4935193B2 (ja) * | 2006-05-31 | 2012-05-23 | 富士電機株式会社 | インバータ装置 |
JP4936019B2 (ja) * | 2006-09-04 | 2012-05-23 | 株式会社安川電機 | モータ制御装置 |
CN101513151B (zh) * | 2006-09-06 | 2012-07-04 | 株式会社安川电机 | 马达控制器 |
JP4936022B2 (ja) * | 2006-09-13 | 2012-05-23 | 株式会社安川電機 | モータ制御装置 |
JP4775334B2 (ja) * | 2007-06-26 | 2011-09-21 | パナソニック株式会社 | ファンシステム |
CN101683018B (zh) | 2007-07-10 | 2011-09-21 | 株式会社安川电机 | 电子设备 |
US9192079B2 (en) * | 2008-09-26 | 2015-11-17 | Rockwell Automation Technologies, Inc. | Power electronic module cooling system and method |
JP5289457B2 (ja) * | 2008-10-14 | 2013-09-11 | 三菱電機株式会社 | ファン固定装置 |
JP5515269B2 (ja) * | 2008-10-17 | 2014-06-11 | パナソニック株式会社 | 熱交換装置とそれを用いた発熱体収納装置 |
US7626819B1 (en) * | 2008-12-23 | 2009-12-01 | Chenbro Micom Co., Ltd. | Air director |
CN102467204A (zh) * | 2010-11-18 | 2012-05-23 | 鸿富锦精密工业(深圳)有限公司 | 风扇固定装置 |
CN102548343A (zh) * | 2010-12-24 | 2012-07-04 | 鸿富锦精密工业(深圳)有限公司 | 风扇固定装置 |
JP5614542B2 (ja) * | 2011-03-28 | 2014-10-29 | 株式会社安川電機 | モータ制御装置 |
JP6021696B2 (ja) * | 2013-03-06 | 2016-11-09 | 三菱電機株式会社 | 電子装置およびファンモータ保持構造 |
TW201443383A (zh) * | 2013-05-08 | 2014-11-16 | Hon Hai Prec Ind Co Ltd | 導風罩 |
US9750392B2 (en) * | 2014-02-28 | 2017-09-05 | Haier Us Appliance Solutions, Inc. | Dishwasher appliance and vent for same |
US20190024675A1 (en) * | 2017-07-20 | 2019-01-24 | Quanta Computer Inc. | Fan front intake for server fan module |
US10655628B2 (en) | 2018-01-12 | 2020-05-19 | Quanta Computer Inc. | Scalable fan frame mechanism |
USD950507S1 (en) * | 2020-04-28 | 2022-05-03 | Aic Inc. | Heat sink |
CN112177985B (zh) * | 2020-09-29 | 2021-07-02 | 国电电力湖南郴州风电开发有限公司 | 一种风力发电用风扇的安装结构 |
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JPH05190276A (ja) * | 1992-01-10 | 1993-07-30 | Matsushita Electric Ind Co Ltd | ノイズ防止装置 |
JPH08316389A (ja) * | 1995-05-24 | 1996-11-29 | Sumitomo Metal Ind Ltd | ヒートシンク冷却装置 |
JPH10111039A (ja) * | 1996-10-03 | 1998-04-28 | Toshio Kojima | 電子冷却ユニット |
JP3048287U (ja) * | 1997-10-22 | 1998-05-06 | 建準電機工業股▲分▼有限公司 | 中央処理器の放熱器の構造 |
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1998
- 1998-05-26 JP JP16300198A patent/JP4066282B2/ja not_active Expired - Fee Related
-
1999
- 1999-05-24 DE DE69913131T patent/DE69913131T2/de not_active Expired - Lifetime
- 1999-05-24 US US09/700,957 patent/US6921328B1/en not_active Expired - Lifetime
- 1999-05-24 EP EP99921238A patent/EP1081995B1/en not_active Expired - Lifetime
- 1999-05-24 KR KR1020007013244A patent/KR100592012B1/ko not_active IP Right Cessation
- 1999-05-24 WO PCT/JP1999/002704 patent/WO1999062311A1/ja active IP Right Grant
- 1999-05-24 ES ES99921238T patent/ES2212555T3/es not_active Expired - Lifetime
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JPH05190276A (ja) * | 1992-01-10 | 1993-07-30 | Matsushita Electric Ind Co Ltd | ノイズ防止装置 |
JPH08316389A (ja) * | 1995-05-24 | 1996-11-29 | Sumitomo Metal Ind Ltd | ヒートシンク冷却装置 |
JPH10111039A (ja) * | 1996-10-03 | 1998-04-28 | Toshio Kojima | 電子冷却ユニット |
JP3048287U (ja) * | 1997-10-22 | 1998-05-06 | 建準電機工業股▲分▼有限公司 | 中央処理器の放熱器の構造 |
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Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108483887A (zh) * | 2018-04-24 | 2018-09-04 | 浙江卡莎罗新型装饰材料有限公司 | 一种玻璃马赛克生产用冷却装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1081995B1 (en) | 2003-11-26 |
JPH11340665A (ja) | 1999-12-10 |
ES2212555T3 (es) | 2004-07-16 |
DE69913131T2 (de) | 2004-09-09 |
EP1081995A4 (en) | 2001-08-08 |
DE69913131D1 (de) | 2004-01-08 |
US6921328B1 (en) | 2005-07-26 |
JP4066282B2 (ja) | 2008-03-26 |
KR100592012B1 (ko) | 2006-06-20 |
EP1081995A1 (en) | 2001-03-07 |
KR20010070955A (ko) | 2001-07-28 |
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