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US20070123162A1 - Component cooling apparatus - Google Patents

Component cooling apparatus Download PDF

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Publication number
US20070123162A1
US20070123162A1 US11/562,772 US56277206A US2007123162A1 US 20070123162 A1 US20070123162 A1 US 20070123162A1 US 56277206 A US56277206 A US 56277206A US 2007123162 A1 US2007123162 A1 US 2007123162A1
Authority
US
United States
Prior art keywords
duct
portions
housing
side mount
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.)
Abandoned
Application number
US11/562,772
Other languages
English (en)
Inventor
Masashi Miyazawa
Toshiki Ogawara
Tomoaki Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Denki Co Ltd
Original Assignee
Sanyo Denki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Denki Co Ltd filed Critical Sanyo Denki Co Ltd
Assigned to SANYO DENKI CO., LTD. reassignment SANYO DENKI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IKEDA, TOMOAKI, MIYAZAWA, MASASHI, OGAWARA, TOSHIKI
Publication of US20070123162A1 publication Critical patent/US20070123162A1/en
Abandoned legal-status Critical Current

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    • H10W40/43—

Definitions

  • the present invention relates to a component cooling apparatus for cooling a component, such as an electronic component, by a fan disposed in a duct.
  • a component cooling apparatus that includes a fan for cooling an electronic component, disposed in a duct having an air suction opening and an air discharge opening.
  • a housing for the fan (a fan housing) includes housing-side mount holes through which screws or bolts pass. Extended portions extending into the air suction opening or the air discharge opening are integrally formed with the duct. Duct-side mount holes are formed in the extended portions. The screws or bolts pass through a pair of the housing-side mount hole and the duct-side mount hole which have been aligned.
  • the fan is mounted inside the duct by making the whole extended portions of the duct in contact with the fan housing, and inserting the screw or bolt into each pair of the housing-side mount hole and the duct-side mount hole which have been aligned with each other. (Refer to the Japanese Utility Model Publication No. 07-38720 and Japanese Patent Publication No. 2000- 232276.)
  • the component cooling apparatus of this type has a problem that, when the fan rotates, vibration is caused and the fan housing resonates with the vibration, thereby generating noise.
  • An object of the present invention is to provide a component cooling apparatus in which resonance of a fan housing caused by the rotation of the fan can be suppressed or prevented.
  • a component cooling apparatus of which improvements the present invention is aimed at, comprises a duct and a fan.
  • the duct includes an air suction opening and an air discharge opening.
  • the fan includes a fan housing located in the air suction opening or the air discharge opening of the duct.
  • the fan housing includes a plurality of mounting portions each of which includes a housing-side mount hole through which a mounting member passes.
  • the duct includes therein a plurality of mounted portions each of which includes a duct-side mount hole through which a mounting member passes, with the housing-side mount hole and the duct-side mount hole being aligned with each other.
  • the fan is mounted inside the duct by aligning the plurality of mounting portions with the plurality of mounted portions in contact with each other and inserting the mounting member into each pair of the housing-side mount hole and the duct-side mount hole that have been aligned.
  • the component cooling apparatus cools the component, a part of or whole of which is disposed inside the duct, by using air flow generated and flowed inside the duct by an operation of the fan.
  • the fan housing is shaped and sized not to be in contact with the duct except at the plurality of the mounting portions.
  • the plurality of mounting portions and the plurality of the mounted portions are shaped and sized to be in contact with each other only at peripheries of opposing openings of each pair of the housing-side mount holes and the duct-side mount holes that have been aligned.
  • a fan housing may include a cylindrical portion forming an air channel, and a flange portion integrally formed with the cylindrical portion on at least one of end portions of the cylindrical portion.
  • the plurality of the mounting portions are integrally formed with the flange portion, and openings of the housing-side mount holes are open on an end surface of the flange portion.
  • the mounted portion of the duct may includes an extended portion which is integrally formed with a wall portion of the duct and extends inwardly in the duct, and a projected portion which is integrally formed with the extended portion and projects toward the fan. An end surface of the projected portion is in contact with the end surface of the flange portion, which is located around the opening of the housing-side mount hole formed in flange portion.
  • the end surface, which is exposed toward the fan, of the projected portion is smaller than that of the extended portion.
  • the fan housing includes the cylindrical portion forming an air channel, and the flange portion integrally formed with the cylindrical portion on at least one of end portions of the cylindrical portion.
  • This flange portion is outlined in a rectangle having four corner portions.
  • the plurality of mounting portions are formed respectively at the corner portions of the flange portion.
  • the housing-side mount hole pierces the corner portion in a thickness direction thereof.
  • the duct includes the duct body including a top wall and a pair of side walls. The side walls are respectively located at either side of the top wall.
  • the duct body surrounds the air suction opening and the air discharge opening in three directions which are orthogonal to one another.
  • the duct body includes a component inserting opening which is disposed at a position opposing to the top wall.
  • the duct body includes four extended portions integrally formed therewith in such a manner that the extended portions extend into the air suction opening or the air discharge opening.
  • the two extended portions are respectively disposed in the vicinity of two corners which are formed by the top wall and the pair of side walls, and the another two extended portions are respectively positioned at two end portions of the side walls at a side of the component inserting opening.
  • Four mounted portions of the duct each include an extended portion and a projected portion, which is integrally formed with the extended portion and projects toward the fan.
  • the duct-side mount hole pierces the extended portion and the projected portion in a thickness direction thereof. An end surface of the projected portion is in contact with an end surface of the corner portion, which is located around the opening of the housing-side mount hole formed in the flange portion.
  • the fan my be fixed inside the duct by inserting the fan into the duct body through an component inserting opening of the duct body, and by inserting a screw or a bolt into each pair of mount holes, with four housing-side mount holes and four duct-side mount holes being aligned with each other.
  • a mounting member includes a rivet, a screw and a bolt.
  • the fan is shaped and sized not to be in contact with the duct except at the plurality of mounting portions.
  • the plurality of the mounting portions and the plurality of the mounted portions are shaped and sized to be in contact with each other only at peripheries of opposing openings of each pair of the housing-side mount holes and the duct-side mount holes that have been aligned. Accordingly an area where the duct and the fan are in contact with each other is reduced. Even when the fan vibrates due to the rotation of the fan, the vibration of the fan transmits less to the duct, thereby suppressing or preventing noise.
  • FIG. 1 is a perspective view of an electronic component cooling apparatus according to this embodiment of the present invention.
  • FIG. 2A is a front view of the electronic component cooling apparatus of FIG. 1 .
  • FIG. 2B is a bottom plan view of the electronic component cooling apparatus of FIG. 1 .
  • FIG. 3A is a top plan view of a duct used for the electronic component cooling apparatus of FIG. 1 .
  • FIG. 3B is a rear side view of the duct used for the electronic component cooling apparatus of FIG. 1 .
  • FIG. 3C is a bottom plan view of the duct used for the electronic component cooling apparatus of FIG. 1 .
  • FIG. 4 is a partially enlarged view of FIG. 2 .
  • FIG. 1 is a perspective view of the electronic component cooling apparatus.
  • FIG. 2A and FIG. 2B are respectively a front view and a bottom plan view of the electronic component cooling apparatus.
  • a duct of the electronic component cooling apparatus is drawn in phantom for better understandings.
  • the electronic component cooling apparatus according to this embodiment includes a heat sink 1 , a fan 3 and a duct 5 , as shown in the figures.
  • the heat sink 1 is made from a metal having a high heat radiating property.
  • the heat sink 1 includes a base 7 to which an electronic component, not shown, is to be connected and a plurality of fins 9 extending respectively from the base 7 .
  • a fan 3 is an axial flow fan, and includes a fan housing 11 and an impeller 13 .
  • the impeller 13 is driven by a motor 17 , which is supported by the fan housing 11 through five webs 15 .
  • the fan housing 11 includes a cylindrical portion 19 and a pair of flange portions 21 , 23 .
  • the cylindrical portion 19 is made from a synthetic resin and forms an air channel inside which the impeller 13 is disposed.
  • the pair of flange portions 21 , 23 are integrally formed with the cylindrical portion 19 at both sides of the cylindrical portion 19 .
  • the pair of the flange portions 21 , 23 are outlined in a rectangle having four corner portions.
  • the housing-side mount holes 21 a , 23 a are respectively formed at the four corner portions of the flange portions 21 , 23 .
  • the housing-side mount holes 21 a , 23 a pierce the flange portions 21 , 23 respectively at the corner portions in a thickness direction.
  • Four mounting portions of the flange portion 21 of the fan housing 11 located at an opposite side of the heat sink 1 are constituted by four housing-side mount holes 21 a and their neighboring areas of the flange portion.
  • the duct 5 is made from a synthetic resin, and includes a duct body 25 and four fixing portions 27 , as shown in detail in FIGS. 3A, 3B and 3 C.
  • FIGS. 3A, 3B and 3 C are a top plan view, a rear view, and a bottom plan view of the duct 5 , respectively.
  • the duct body 25 includes a top wall 29 ,and a pair of side walls 31 integrally formed with the top wall 29 .
  • the side walls are respectively located at either side of the top walls 29 .
  • the duct body 25 has a cross-sectional shape of a rectangle having one opening side.
  • the heat sink 1 and the fan 3 are disposed side by side in the duct body 25 .
  • the duct body 25 includes an air suction opening 25 a , an air discharge opening 25 b , and a component inserting opening 25 c .
  • the air suction opening is located at one end portion of the duct constituted by the top wall and the pair of side walls.
  • the fan 3 is disposed at a side of the one end portion.
  • the air discharge opening is located at the other end portion of the duct.
  • the heat sink 1 is disposed at a side of the other end portion.
  • the component inserting opening is located at a position opposing to the top wall 29 .
  • the fan 3 , and the heat sink 1 with which an electronic component, not shown, is contacted are inserted through the component inserting opening 25 c .
  • four extended portions 33 A, 33 B extending into an air suction opening 25 a are integrally formed with the duct body 25 .
  • two extended portions 33 A are respectively disposed across the top wall 29 and the pair of side walls 31 in the vicinity of two corners formed by the top wall 29 and the pair of side walls 31 .
  • Another two extended portions 33 B are respectively disposed at end portions of the side walls at a side of the component inserting opening 25 c .
  • a projected portion 35 A projecting toward the fan 3 is integrally formed with the extended portion 33 A.
  • a projected portion 35 B projecting toward the fan 3 is integrally formed with the extended portion 33 B.
  • Duct-side mount holes 33 a respectively piercing the extended portions 33 A, 33 B and the projected portion 35 A, 35 B in a thickness direction, are respectively formed substantially in the centers of the extended portions 35 A, 35 B.
  • the projected portions 35 A, 35 B extend toward the top wall 29 .
  • an area ratio of the end surface, which is exposed to the fan 3 , of the projected portions 33 A, 33 B to that of the extended portions 35 A, 35 B is 35% (percent).
  • the two mounted portions of the duct 5 are constituted by the extended portions 33 A and the projected portions 35 A.
  • Another two mounted portions of the duct 5 are constituted by the extended portions 33 B and the projected portions 35 B.
  • end portions of the projected portions 35 A, 35 B are in contact with end portions of the corner portions respectively located around the housing-side mount holes 21 a of the flange portions 21 .
  • the fan 3 is fixed inside the duct 5 by inserting a mounting member such as a rivet R into each pair of the mount holes, with housing-side mount holes 21 a and duct-side mount holes 33 a being aligned with each other.
  • the mounting member can include a rivet, a screw and a bolt.
  • the fan housing 11 is shaped and sized not to be in contact with the duct 5 except at the four mounting portions (around the housing-side mount holes 21 a ).
  • the four mounting portions (around the housing-side mount holes 21 a ) and the four mounted portions (the extended portions 33 A and the projected portions 35 A of the duct 5 , and the extended portions 33 B and the projected portions 35 B of the duct 5 ) are shaped and sized to be in contact with each other only at peripheries of opposing openings of each pair of the housing-side mount holes 21 a and the duct-side mount holes 33 a that have been aligned.
  • four mounting portions of the fan housing 11 and four mounted portions of the duct 5 are in contact with each other only at peripheries of opposing openings of each pair of the housing-side mount holes 21 a and the duct-side mount holes 33 a that have been aligned.
  • an area where the duct 5 and the fan housing 11 are in contact with each other is small. Therefore, even when the fan vibrates due to the rotation of the fan 3 , the vibration of the fan 3 transmits less to the duct 5 , and the fan housing 11 is prevented from resonating, thereby suppressing or preventing noise.
  • the projected portions are disposed at the duct 5 .
  • the projected portions may also be disposed at the fan housing 11 , or both of the fan housing 11 and the duct 5 .

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  • Cooling Or The Like Of Electrical Apparatus (AREA)
US11/562,772 2005-11-30 2006-11-22 Component cooling apparatus Abandoned US20070123162A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-346878 2005-11-30
JP2005346878 2005-11-30

Publications (1)

Publication Number Publication Date
US20070123162A1 true US20070123162A1 (en) 2007-05-31

Family

ID=38088147

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/562,772 Abandoned US20070123162A1 (en) 2005-11-30 2006-11-22 Component cooling apparatus

Country Status (3)

Country Link
US (1) US20070123162A1 (zh)
CN (1) CN1975178B (zh)
TW (1) TWI390115B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000203A1 (zh) * 2016-06-28 2018-01-04 黄冠 一种高静音管道风机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351380B1 (en) * 1999-11-12 2002-02-26 Dell Products, L.P. Cooling fan mounting arrangement
US20030121645A1 (en) * 2001-12-28 2003-07-03 Tien-Lai Wang Heat dissipater for a central processing unit
US20040234374A1 (en) * 2003-05-22 2004-11-25 Arctic-Cooling Switzerland Ag Axial fan for computer
US20060221570A1 (en) * 2005-04-01 2006-10-05 Chih-Hao Yang Cooling device for heat-generating electronic component
US7255529B2 (en) * 2004-12-17 2007-08-14 Fu Zhun Precision Industry (Shenzhen) Co., Ltd. Cooling fan mounting arrangement with vibration isolation member

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351380B1 (en) * 1999-11-12 2002-02-26 Dell Products, L.P. Cooling fan mounting arrangement
US20030121645A1 (en) * 2001-12-28 2003-07-03 Tien-Lai Wang Heat dissipater for a central processing unit
US20040234374A1 (en) * 2003-05-22 2004-11-25 Arctic-Cooling Switzerland Ag Axial fan for computer
US7255529B2 (en) * 2004-12-17 2007-08-14 Fu Zhun Precision Industry (Shenzhen) Co., Ltd. Cooling fan mounting arrangement with vibration isolation member
US20060221570A1 (en) * 2005-04-01 2006-10-05 Chih-Hao Yang Cooling device for heat-generating electronic component
US7359192B2 (en) * 2005-04-01 2008-04-15 Foxconn Technology Co., Ltd. Cooling device for heat-generating electronic component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000203A1 (zh) * 2016-06-28 2018-01-04 黄冠 一种高静音管道风机

Also Published As

Publication number Publication date
CN1975178A (zh) 2007-06-06
CN1975178B (zh) 2011-06-22
TW200732564A (en) 2007-09-01
TWI390115B (zh) 2013-03-21

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SANYO DENKI CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MIYAZAWA, MASASHI;OGAWARA, TOSHIKI;IKEDA, TOMOAKI;REEL/FRAME:018551/0748

Effective date: 20061023

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION