CN101938892B - The system and method for air-flow distance member for the cooling system of device housings - Google Patents
The system and method for air-flow distance member for the cooling system of device housings Download PDFInfo
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- CN101938892B CN101938892B CN200910204199.9A CN200910204199A CN101938892B CN 101938892 B CN101938892 B CN 101938892B CN 200910204199 A CN200910204199 A CN 200910204199A CN 101938892 B CN101938892 B CN 101938892B
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- air
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of cooling system, it has fan, and described fan has multiple layout fan blade in the housing, and wherein said fan has input side and exhaust side.Air-flow distance member can be disposed parallel to the axial centre of described fan, and is positioned adjacent to the housing of described fan and the one in described input side or described exhaust side.Further, air-flow distance member may exit off the prominent air-flow formed with guiding of described fan blade by described fan blade.
Description
Cross-Reference to Related Applications
The U.S. Provisional Patent Application Serial number of application claims submission on October 17th, 2008
The priority of 61/196,436, the entire disclosure of which is incorporated by reference herein.
Technical field
The present invention relates to the system for cooling down shell, more specifically, relate to a kind of to for cold
But the air-flow of electronic equipment casing carries out the system and method being spaced and guiding.
Background technology
Narration in this part only provides background information related to the present invention, and not may make up existing
Technology.
Farthest improve the cooling system for producing the cooling air-flow flowing through electronic equipment casing
The efficiency of system just gets growing concern for.Farthest improve cooling system efficiency for
Littleization is extremely important to for the operation relevant cost of energy of cooling system.
Many electronic equipment casings are combined with multiple fan, and these fans are located adjacent to, from
And by air suction shell (that is, " pushing " configuration), or air is discharged shell (that is, " draw
Go out " configuration).Some device housings use " pushing " formula cooling system simultaneously in one end of shell
And the other end at shell uses " pull-out " formula cooling system.
The air-flow using these cooling systems, fan inlet and aerofluxus is complicated, and is highly dependent on wind
The surrounding of fan, and depend on concrete impeller or the geometry of blade of fan.Therefore,
Focus is farthest improve the flow efficiency of these fans and guarantee the wind of adjacent positioned
Fan will not be done each other because the air-flow formed produces unwanted turbulent air flow and uneven air-flow
Disturb.
Summary of the invention
In an aspect, the present invention relates to a kind of cooling system.This cooling system can include wind
Fan, described fan has multiple layout fan blade in the housing, and wherein said fan has defeated
Enter side and exhaust side.Air-flow distance member can be disposed parallel to the axial centre of fan, and
It is positioned adjacent to the housing of described fan and the one in described input side or described exhaust side.
Further, air-flow distance member may exit off that fan blade is prominent to be formed by fan blade to guide
Air-flow.
In one aspect of the method, the present invention can include a kind of cooling system for electric-device housing
System, wherein, described system includes the first fan and the second fan, and it each has and is arranged in each
Housing in multiple fan blade.Fan can each have input side and exhaust side.Multiple gas
Stream distance member can be disposed parallel to the axial centre of fan, and be positioned between fan and
It is positioned adjacent to input side and the exhaust side of fan, thus leaves fan blade and highlight.Between air-flow
Can guide by wind along the longitudinal axis of the axial centre extension through each fan every parts
The air-flow that fan leaf is formed.
In a further aspect, the present invention can relate to a kind of method for forming cooling system,
Described method includes providing and has the first fan of the first housing, provides and have the second of the second housing
Fan and these fans are arranged adjacent each other.Air-flow distance member can be arranged in these wind
Between fan so that described air-flow distance member be roughly parallel to the airflow direction through these fans and
Extending, described air-flow distance member limits the mixing of the air-flow produced by fan.
Description provided in literary composition, other application will be clear from.Should be appreciated that
Described description and concrete example are merely intended to descriptive purpose of demonstrating, and are not intended to be limiting the present invention's
Scope.
Accompanying drawing explanation
Accompanying drawing shown in literary composition is only merely for demonstration descriptive purpose, and is not intended to limit the present invention
Scope.
Fig. 1 is the rear perspective view of the fan cooling system according to one embodiment of the present invention,
This embodiment all have employed multiple air-flow at air inlet side and the exhaust side of the fan for this system
Distance piece；
Fig. 2 is the front perspective view of the fan cooling system of Fig. 1, the most more clearly shows in figure
Go out to be used in the air-flow distance piece of the exhaust side of the fan of cooling system；
Fig. 3 is the front view of one of them fan；
Fig. 4 is the side view of a fan of Fig. 3, shows that air-flow distance piece has square in figure
The air inlet side of the fan of shape or wedge shape distance member and the adoptable different length of exhaust side；
Fig. 5 is the side view of the alternative form of a kind of rectangular air-flow distance piece；
Fig. 6 is the side view of the alternative form of the air-flow distance piece of a kind of ovalize；
Fig. 7 is the side view of the alternative form of the air-flow distance piece of a kind of semicircular in shape；And
Fig. 8 is the side view of a kind of alternative form in sagittate air-flow distance piece.
Detailed description of the invention
It is the most only exemplary for below describing, rather than attempts to limit the present invention, application or purposes.
Should be appreciated that, in whole accompanying drawings, corresponding reference represents similar or corresponding part and spy
Levy.
With reference to Fig. 1, figure shows the cooling system 10 according to one embodiment of the present invention.
In this example, system 10 includes that shell or casing 12, described shell or casing 12 can be with elder generations
Enter specification mounting system (the AdvancedTCA specification shelf of telecommunications computing framework
System) it is used in combination, thus air-flow will be cooled down and " push " support of Advanced Telecom Computing Architecture
In system, or by air from the interior zone of mounting system outwards " pull-out " (i.e. discharging).And
And, a pair cooling system 10 can be combined with the mounting system of Advanced Telecom Computing Architecture together
Use, the one end being arranged in mounting system, be such as arranged in bottom section, thus force cold
But during air-flow enters mounting system, and another is arranged in the end opposite of mounting system, such as top,
Thus air is discharged from the inside of mounting system.And, although cooling system 10 is the best
Ground is suitable for the mounting system with Advanced Telecom Computing Architecture and is used in combination, but can adopt easily
Cool down any kind of shell or casing by system 10, thus system 10 is only not limited to
It is used in electronic unit or solely be used in electronic equipment casing.
Cooling system 10 in this example includes five fan 14a-14e being supported in casing 12.
It is to be appreciated, however, that cooling system 10 is not limited to use with only five fan combination.This
The principle of invention can be applied to use quantity from one to actually arbitrarily, adjacent positioned
Fan, fan is single, single-row, or, fan is the row and column of uniform or non-homogeneous configuration
Latticed.The particular configuration of the fan used and quantity will primarily depend upon cooled electronics and sets
The standby configuration cooling down the casing requiring and supporting this facility.
The cooling system 10 of Fig. 1 includes air-flow distance member, in this example, including using gas
The parts of the form of stream distance piece 18 and 20, its intermediate spacers 18 is in the air inlet of each fan 14
Side 16a is arranged between adjacent fan 14, and distance piece 20 is at the exhaust side of each fan
16b is arranged between the adjacent fans in fan.Air-flow distance piece 18 and 20 contributes to fan
Air inlet side 16a of 14 can therefrom limit in suction air, the region of each fan 14 neighbouring,
Thus there is mixing and turbulent flow at the air inlet side of fan 14 in suppression.Similarly, fan 14 it is positioned at
The air-flow distance member 20 of exhaust side 16b suppress the air-flow that produced by fan 14 because of fan each other
Closely adjacent positioned and the mixing that formed and turbulent flow.
With reference to Fig. 2, the air-flow interval on the exhaust side 16b of fan 14 can be seen in more detail
Sheet 20.Air-flow distance piece 18 in this example is consistent with the structure of 20, so in view of distance piece
18 is consistent with the structure of distance piece 20, below describes the structure being limited to distance piece 20.But,
It should be understood that all of air-flow distance piece 18 need not have consistent structure.So, between air-flow
The accurate dimension of partition 18 and shape can be with slight changes or change greatly to meet given application
The concrete air-flow of occasion needs.Similarly, the size and dimension of air-flow distance piece 20 can be each other
Different to meet the concrete air-flow needs of certain applications.
Each fan 14 has blast fan 24, and described impeller has multiple blade 24a, described
Impeller is driven by motor 26.Motor 26 makes impeller 24 rotate, and blade 24a produces and passes through
The air-flow of the axial centre of fan 14.Each fan 14 has housing 28, motor 26 further
It is supported in described housing 28.Each air-flow distance piece 20 can by such as steel, aluminum, plastics,
The sheet of the rigid materials such as composite or plate are formed.Crucial requirement is air-flow distance piece 20
Rigidity is bigger so that operationally, air-flow distance piece can not be adjacent towards or away from it for fan
Fan 14 flexing.Air-flow distance piece 20 can have tapered edge 22.Air-flow distance piece 18 or
20 formed or arrange tapered edge 22 be advantageous in that reduce with casing 12 be fixed on thereon,
There is any potentiality mechanical conflicts in other parts or the part of shell.And, although in this example
Air-flow distance piece 18 be configured to consistent with 20, but entirely possible, can be by between air-flow
Partition 18 is configured with the variform shape with air-flow distance piece 20 and/or size.
With further reference to Fig. 2, each air-flow distance piece 20 can be arranged in the wind of two adjacent positioned
Between the housing 28 of fan 14 so that it is adjacent that described air-flow distance piece 20 is roughly parallel to two
Fan 14 longitudinal center line extend.Air-flow distance piece 20 is further arranged as away from it adjacent
Fan 14 extend.Each air-flow distance piece 20 can be fastened to its adjacent blower-casting 28
In one or both a part on, or can be fastened to immovably casing 12 appoint
What its fixed structure, if air-flow distance piece 20 is positioned two adjacent fan 14 it
Between and securely air-flow distance piece 20 is maintained at therebetween.
With reference to Fig. 3 and 4, by with the geometry of explanation air-flow distance piece 18 and 20 and configuration
Mode discusses fan 14a.Equally, although fan 14a-14e is in this example
Consistent, but they are not necessarily to so.In figure 3, it will be considered that fan 14a has diameter " Di "
With height " H ".
In the diagram, air-flow distance piece 18 and 20 is shown as being respectively positioned at the air inlet of fan 14a
Side 16a and exhaust side 16b.In this example, air-flow distance piece 18 and 20 is all formed as wedge shape
Distance member.It would however also be possible to employ the alternative constructions such as such as distance piece 18 ' and 20 '.?
In this example, distance piece 18 ' and 20 ' defines the rectangle being vertically oriented.
With further reference to Fig. 4, air-flow distance piece 18 and 20 is respective highly preferable equal to height
H, and arrange along the longitudinal centre line 30 of fan 14a.Air inlet side air-flow distance piece 18 can
There is the degree of depth " di " (i.e. length), and exhaust side distance piece 20 can to have the degree of depth " de " (the longest
Degree).Degree of depth di and de are preferably respectively 0.5-1.0 times of diameter Di.But, the degree of depth of sheet
When di and de is less than 0.5 times of diameter Di, it is possible to obtain the benefit preventing adjacent air-flow from mixing.
Alternately, if be not result in fan 14a-14e near other structure member rush
Dash forward or cause gap, degree of depth di and/or de can be more than 1.0 times of diameter Di.Air-flow distance piece
18 and 20 can have the identical or different degree of depth to meet needs and/or the wind of concrete application scenario
Space around fan 14 limits.Although each distance piece 18 and 20 highly preferable equal to wind
The height " H " of the housing 28 of fan 14a, but even if the height of each distance piece 18 and 20 is little
Height in blower-casting 28 can also realize some benefits.Further, distance piece 18 and/
Or the height of 20 can be more than the height " H " of blower-casting 28.And, distance piece 18 and 20
Need not all have identical height, but can have different height to adapt to the need being embodied as
Want.The those of ordinary skill in shell airflow management field is it will be appreciated that can be to distance piece 18
Modify to adapt to the mechanical restriction of available outer casing space involucrum with the shape of 20, thus
Allow to eliminate the mechanical conflicts with other structure.So, can be to each distance piece 18 and 20
Shape and size carry out selecting to meet the needs being embodied as.
As it has been described above, air-flow distance piece 18 and 20 contributes to by reducing fan 14 suction or row
The mixing of the air-flow gone out and changing by reducing the turbulent flow in the air-flow of fan 14 suction or discharge
The efficiency of air intake fan 14.In practice, the suction airflow that each fan 14 is formed and discharge air-flow
Complexity, and it is highly dependent on the surrounding of fan and to depend on the concrete blade of fan more than 14
What shape.Due to the circular configuration of the blade 24a of each fan 14, two adjacent fans
Spacing between vane tip is minimum along the centrage 32 (Fig. 3) of fan, so to single wind
For fan configuration, in suction side and the discharge side of fan, between corresponding fan, the interference of air-flow all should
This is the most maximum, and at the top area 34 of each fan 14 and bottom section 36
Little.
Come in close proximity to each other in spaced apart traditional cooling system at one group of fan, adjacent fan
Suction airflow and discharge air-flow can cause disturbing between fan.This can be due to turbulent and uneven
The increase of even air-flow and cause hydraulic performance decline.Substantially, the air-flow of adjacent fan can be considered as
" compete " each other.The airflow pattern of this air inlet side being partly because each fan is all at fan
Surrounding's formation low-pressure area on limit.This pulls out air-flow effectively from all directions, including not being aligned to
The direction close with the axial centre of fan.So, in traditional cooling system, when two wind
Fan cloth be set to tight close time, in its air inlet side (i.e. suction side), fan will be each since its periphery
Surrounding space in pull out air, but the space between fan will be shared by two fans.This
It is exactly to cause between the two strands of air-flows just produced, interference thus fall by two adjacent fans
The reason of the performance of two fans of low adjacent positioned.
Air-flow distance piece 18 is had the advantage that, when a certain specific fan 14 is in its air inlet side
When 16a draws air by its housing 28, effectively limit this specific available gas of fan 14
Fluid space.This is used for being formed such air flow stream, described air flow stream along with each wind
The path of the longitudinal center line 30 more close alignment of fan enters the housing 28 of each fan 14.
At the exhaust side of traditional cooling system that fan is disposed adjacent to, the air-flow that fan produces will not
Closely along the longitudinal center line of each fan, but can be along the longitudinal center line leaving fan
Radial direction/helical form line form radiate from each fan.So, when two fans are the tightest
Close when proximally arranging, the exhaust stream from two fans 14 will " resist " the most each other,
And can become and partly mix.This causes the turbulent flow in exhaust stream to increase and under fan performance
Fall.The exhaust side air-flow distance piece 20 of the present invention contributes to being discharged from each fan hub by restriction
The air-flow of body 28 reduces this interference so that exhaust stream along more closely with the axle of fan 14
Flow path to centrage 30 alignment.
It is single that although fan 14a-14e has been shown as being arranged to level, it is to be understood that air-flow
Distance piece 18 and 20 can use with the fan combination vertically arranged, or even can with in having
The fan combination of the fan net grid-like arrangement of row and column uses.
Fig. 5,6,7 and 8 show that other of the shape of distance piece 18 and 20 can without limitation
Can version.Fig. 5 shows air-flow distance piece 18a in the form of a substantially rectangular.Fig. 6 show in
The air-flow distance piece 18b of substantially elliptical.Fig. 7 shows in substantially semi-circular air-flow distance piece
18c.Fig. 8 then shows the air-flow distance piece 18d in general triangular.Shown in Fig. 5-8
Any shape can be similarly used for air-flow distance piece 20.Can easily use various completely
Other shape designs air-flow distance piece 18 and 20 to meet the air flow demand of given system, thus
Adapt to the space in device housings or near fan 14 limit, or adaptive system any other
Limit.
Although being described various embodiments, but those of ordinary skill in the art can think
As obtaining the remodeling that can make or deformation in the case of without departing from the present invention.Above-mentioned example
Various embodiments are described rather than attempt to limit the present invention.Therefore, it should with non-
Ways to restrain understands specification and claims, and the most above-mentioned restriction simply shows in view of relevant
Technology is had to be necessary to make.
Claims (23)
1. a cooling system, including:
Fan, described fan has multiple fan blade being arranged in housing, and described fan has
Input side and exhaust side, the described input side of described fan and described exhaust side are empty with open air
Between adjacent, described fan is positioned to adjacent with the second fan, described fan and adjacent described second
Fan is all arranged to push in mounting system or by air from described mounting system cooling air-flow
Inside pull out；And
Air-flow distance member, described air-flow distance member be arranged in the air space of described opening and
It is disposed parallel to the axial centre of described fan, and is positioned to adjacent with the housing of described fan
And adjacent with the one in described input side or described exhaust side, described air-flow distance member is arranged in
Between described fan and described second fan,
Wherein, further, to leave described fan blade prominent to guide for described air-flow distance member
The air-flow formed by described fan blade,
The described guiding to air-flow includes that use is arranged to and described input side and described exhaust side
Adjacent multiple described air-flow distance member, thus limit and described input side and described exhaust side phase
Adjacent region, wherein air-flow can be extracted from described region by described fan blade or guide institute
State region, and
The degree of depth of at least one in described air-flow distance member is at 0.5 times of diameter of described fan
Between 1.0 times.
Cooling system the most according to claim 1, wherein, described air-flow distance member bag
Including air-flow distance piece, described air-flow distance piece is tightened to adjacent with described housing, and is perpendicular to described
Fan blade extend plane and highlight.
Cooling system the most according to claim 2, wherein, the described air-flow distance piece side of being
Shape.
Cooling system the most according to claim 2, wherein, described air-flow distance piece is square
Shape.
Cooling system the most according to claim 2, wherein, described air-flow distance piece is in half
Circular.
Cooling system the most according to claim 2, wherein, described air-flow distance piece is three
Dihedral.
Cooling system the most according to claim 2, wherein, described air-flow distance piece is ellipse
Circular.
Cooling system the most according to claim 1, wherein, described air-flow distance member exists
The height that one edge has is approximately equal to the diameter of described fan.
Cooling system the most according to claim 1, wherein, only in described fan and institute
State location between the second fan and have described air-flow distance member.
Cooling system the most according to claim 9, wherein, described air-flow distance member bag
Including air-flow distance piece, described air-flow distance piece is tightened to adjacent with described housing, and is perpendicular to described
Fan blade extend plane and highlight.
11. cooling systems according to claim 10, wherein, the described air-flow distance piece side of being
Shape.
12. cooling systems according to claim 10, wherein, described air-flow distance piece is square
Shape.
13. cooling systems according to claim 10, wherein, described air-flow distance piece is in half
Circular.
14. cooling systems according to claim 10, wherein, described air-flow distance piece is three
Dihedral.
15. cooling systems according to claim 10, wherein, described air-flow distance piece is ellipse
Circular.
16. 1 kinds of cooling systems for electric-device housing, described system includes:
First fan and the second fan, described first fan and described second fan each have layout
Multiple fan blade in respective housing, described fan each has input side and exhaust side,
Described first fan and the input side of described second fan and exhaust side all with open air space
Adjacent, described first fan and described second fan are all arranged to cooling air-flow is pushed described electronics
Pull out from the inside of described electric-device housing in device outer case or by air；And
Multiple air-flow distance members, described air-flow distance member is arranged in the air space of described opening
In and be disposed parallel to the axial centre of described fan, and be positioned between described fan and fixed
Position becomes adjacent with the described input side of described fan and described exhaust side, thus leaves described fan leaf
Sheet and prominent longitudinal axis to extend along the axial centre through each described fan and guide
The air-flow formed by described fan blade,
Wherein, the degree of depth of at least one in described air-flow distance member is the straight of one of described fan
0.5 times of footpath to 1.0 times.
17. cooling systems according to claim 16, wherein, the plurality of air-flow spacer portion
Part includes multiple air-flow distance piece.
18. cooling systems according to claim 17, wherein, the plurality of air-flow distance piece
Vertically extend from the plane residing for described fan blade.
19. cooling systems according to claim 17, wherein, one of described air-flow distance piece
The height at edge be approximately equal to the diameter of one of described fan.
20. cooling systems according to claim 17, wherein, in described air-flow distance piece
The shape of at least one includes one below:
Square；
Rectangle；
Oval；
Semicircle；And
Triangle.
21. 1 kinds are used for the method forming cooling system, including:
First fan with the first housing is provided；
Second fan with the second housing is provided；
All it is arranged to push cooling air-flow described cold by described first fan and described second fan
But pull out from the inside of described shell in the shell of system or by air；
Being arranged adjacent each other by described fan, described first fan and described second fan are in input
Side and outlet side are positioned in open air space；And
Air-flow distance member is arranged between described fan in the air space of described opening, makes
Obtain described air-flow distance member to be parallel to extend, described air-flow through the airflow direction of described fan
Distance member limits the mixing of the air-flow produced by described fan, wherein, described air-flow distance member
In the degree of depth of at least one be 0.5 times to 1.0 times of diameter of one of described fan,
Wherein, described the described air-flow distance member being air-flow distance piece is arranged in described fan it
Between step comprise the following steps: the first air-flow distance piece and the second air-flow distance piece are respectively arranged
Become adjacent with the input side of described fan and outlet side so that described first air-flow distance piece and described
Second air-flow distance piece extends from described input side and described outlet side and is parallel to described fan
Flow axes.
22. methods according to claim 21, wherein, only in described first fan and institute
State location between the second fan and have described air-flow distance member.
23. methods according to claim 21, wherein, described by described air-flow distance piece cloth
Put the step between described fan to include arranging the air-flow with the shape in one of following shape
Distance piece:
Square；
Rectangle；
Oval；
Semicircle；And
Triangle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19643608P | 2008-10-17 | 2008-10-17 | |
| US61/196,436 | 2008-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101938892A CN101938892A (en) | 2011-01-05 |
| CN101938892B true CN101938892B (en) | 2016-12-14 |
Family
ID=
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6104608A (en) * | 1997-10-30 | 2000-08-15 | Emc Corporation | Noise reduction hood for an electronic system enclosure |
| US6594148B1 (en) * | 2002-01-16 | 2003-07-15 | Cisco Technology, Inc. | Airflow system |
| CN1975630A (en) * | 2005-12-01 | 2007-06-06 | 德尔菲技术公司 | Low profile liquid cooled server heat sink |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6104608A (en) * | 1997-10-30 | 2000-08-15 | Emc Corporation | Noise reduction hood for an electronic system enclosure |
| US6594148B1 (en) * | 2002-01-16 | 2003-07-15 | Cisco Technology, Inc. | Airflow system |
| CN1975630A (en) * | 2005-12-01 | 2007-06-06 | 德尔菲技术公司 | Low profile liquid cooled server heat sink |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20211019 |