CN100585191C - Series connection module of heat radiation fan - Google Patents
Series connection module of heat radiation fan Download PDFInfo
- Publication number
- CN100585191C CN100585191C CN03141309A CN03141309A CN100585191C CN 100585191 C CN100585191 C CN 100585191C CN 03141309 A CN03141309 A CN 03141309A CN 03141309 A CN03141309 A CN 03141309A CN 100585191 C CN100585191 C CN 100585191C
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- fan unit
- axial fan
- heat emission
- mould set
- framework
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Abstract
The invention relates to a series mould set of heat emission fan, comprising a fist fan unit, a second fan unit, at least one combining element and at least one side wind inlet. On the first and second fan unit, a first and a second fan wheel are arranged, and the combining part is used for tandem arrangement and combining positioning. The side wind inlet is arranged on the edge of the combining surface of the first and second fan unit, for relatively increasing the wind input and output, and when the first fan wheel of the first fan unit operates abnormally which reduces the driving wind efficient, the second fan wheel of the second fan unit can compensate the wind inlet amount by the side wind inlet, and prevents the non-uniformity of air flow density in the heat emission fan. The invention can increase the wind inlet mount and improve the whole heat emission efficiency.
Description
Technical field
The present invention relates to a kind of series mould set of heat emission fan, the junction plane periphery that refers in particular to a kind of framework at first and second axial fan unit forms at least one side wind inlet, to increase the series mould set of heat emission fan of air output and air output.
Background technique
Known series mould set of heat emission fan, shown in Fig. 1 and 2, it comprises one first axial fan unit 10, one second axial fan unit 20 and a flow-guiding stator blade 30.This first axial fan unit 10 is positioned at the inlet air side, and this second axial fan unit 20 is positioned at the air side, and this flow-guiding stator blade 30 is located at the base portion of a framework 100 of this first axial fan unit 10, air-guiding to be provided and to increase the blast effect.Usually, framework 100,200 correspondences of this first and second axial fan unit 10,20 are provided with several draw-in grooves 11 and several fasteners 21, for closely this first and second axial fan unit 10,20 being combined into one, constitute a string gang mould group.So, this first and second axial fan unit 10,20 can utilize one first axial flow impeller (not illustrating) and one second axial flow impeller, the 22 common air-flows that drive that are provided with respectively, and air-flow is blown side to the air side by inlet air apace.Though above-mentioned series mould set of heat emission fan can be in order to increase wind dispelling amount and air-flow velocity, but still have following defective: (1) is under this first and second axial fan unit 10,20 runs well, cooling blast only can be sucked by the single wind inlet of first axial fan unit 10 of inlet air side, so that total air output of series mould set is restricted; (2) when these first axial fan unit, 10 unusual runnings, the blade rotational speed of this first axial flow impeller is crossed the low wind dispelling efficient that will tie down this second axial flow impeller 22, influences integral heat sink efficient; And (3) simultaneously, when these first axial fan unit, 10 unusual runnings, because the air-flow velocity difference at this first axial flow impeller place and the second axial flow impeller, 22 places, produce the current density uneven phenomenon, cause static pressure/flow speed characteristic (static Dressure-flow ratecharacteristic of this series mould set, P-Q characteristic) reduce, and a large amount of wind of generation is cut noise.
The inventor has above-mentioned defective thoughts on known series mould set of heat emission fan, thereby sets about design, designs a kind of series mould set of heat emission fan of the present invention eventually.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of series mould set of heat emission fan is provided, its series combination face periphery in the framework of two axial fan units forms at least one side wind inlet, so air-flow can be simultaneously flowed in the heat-dissipating fan by the wind inlet of this side wind inlet and first axial fan unit, increase total air output and total air output of series mould set of heat emission fan relatively, make the present invention have the effect that promotes integral heat sink efficient.
Another technical problem that the present invention will solve is: a kind of series mould set of heat emission fan is provided, its series combination face periphery in the framework of two axial fan units forms at least one side wind inlet, so when first axial fan unit turns round unusually, the air output that the axial flow impeller of this second axial fan unit can not provide immediately via the wind inlet that this side wind inlet is supplied this first axial fan unit, and avoid in the inner current density inequality that produces of heat-dissipating fan, cut noise to reduce wind, make the present invention have the effect that promotes integral heat sink efficient.
Technical solution of the present invention is: a kind of series mould set of heat emission fan, and it comprises,
One first axial fan unit, it is positioned at the inlet air side, and is installed with one first axial flow impeller by a framework;
One second axial fan unit, it is positioned at the air side, and is installed with one second axial flow impeller by a framework;
At least one conjunction, it makes this first and second axial fan unit form arranged in series and combination location; And
At least one side wind inlet, it is formed between this first and second axial fan unit framework, with the air output and the air output of this second axial fan unit of relative increase.
Series mould set of heat emission fan as mentioned above, other is provided with at least one flow-guiding stator blade, and with air-guiding and increase blast, this flow-guiding stator blade can be formed on inlet air side, the air side of the framework of described first axial fan unit, second axial fan unit.
Series mould set of heat emission fan as mentioned above is on the junction plane of the framework of a described side wind inlet axial fan unit located therein.
Series mould set of heat emission fan as mentioned above, described side wind inlet are located on the junction plane of framework of this first axial fan unit and second axial fan unit simultaneously.
Series mould set of heat emission fan as mentioned above, described conjunction is several draw-in grooves and several fasteners.
Series mould set of heat emission fan as mentioned above, described each fastener bottom extends to form a spacer element, when this first and second axial fan unit utilizes this draw-in groove and fastener to combine, by forming this side wind inlet between the junction plane that separates the framework that makes described first and second axial fan unit of the spacer element of this fastener.
Series mould set of heat emission fan as mentioned above, described conjunction is several screw rods and several spacer elements, when described first and second axial fan unit utilized this screw rod and spacer element to combine, nationality was made by separating of this spacer element between the junction plane of framework of described first and second axial fan unit and forms this side wind inlet.
Series mould set of heat emission fan as mentioned above, described conjunction is formed in one and is formed on several spacer elements between described first and second axial fan unit, and integrated spacer element makes between the framework of described first and second axial fan unit and forms this side wind inlet.
Series mould set of heat emission fan as mentioned above, described conjunction is a board, framework side arranged in series and combination by described first and second axial fan unit are positioned this board, and make this axial fan unit keep spacing, to form described side wind inlet.
Series mould set of heat emission fan as mentioned above, described first axial fan unit, second axial fan unit can be by inlet air side, the air side more than one axial fan units of connecting in addition.
Characteristics of the present invention and advantage are: series mould set of heat emission fan of the present invention, its junction plane periphery in the framework of first and second axial fan unit forms at least one side wind inlet.This side wind inlet increases total air output and total air output of series mould set of heat emission fan relatively, and when the axial flow impeller of first axial fan unit turns round unusually, the wind inlet that this side wind inlet also can be supplied this first axial fan unit is immediately for the air output of the axial flow impeller that gives second axial fan unit, and avoid in the inner current density inequality that produces of heat-dissipating fan, thereby overcome the defective of prior art, have the integral heat sink efficient that promotes the heat-dissipating fan series mould set and reduce the effect that wind is cut noise, and it is simple in structure, easy to implement.
Description of drawings
Fig. 1 is the exploded perspective view of known series mould set of heat emission fan;
Fig. 2 is the combination stereogram of known series mould set of heat emission fan:
Fig. 3 is the exploded perspective view of the series mould set of heat emission fan of first embodiment of the invention:
Fig. 4 is the combination stereogram of the series mould set of heat emission fan of first embodiment of the invention:
Fig. 5 is the exploded perspective view of the series mould set of heat emission fan of second embodiment of the invention;
Fig. 6 is the combination stereogram of the series mould set of heat emission fan of second embodiment of the invention:
Fig. 7 is the decomposition main body figure of the series mould set of heat emission fan of third embodiment of the invention;
Fig. 8 is the combination stereogram of the series mould set of heat emission fan of third embodiment of the invention;
Fig. 9 is the exploded perspective view of the series mould set of heat emission fan of fourth embodiment of the invention;
Figure 10 is the combination stereogram of the series mould set of heat emission fan of fourth embodiment of the invention:
Figure 11 is the combination stereogram of the series mould set of heat emission fan of fifth embodiment of the invention.
The drawing reference numeral explanation:
Embodiment
In order to allow technological scheme of the present invention, feature and advantage understand by clearer and more definite quilt, hereinafter will be especially exemplified by the preferred embodiment of the present invention, and conjunction with figs., be described in detail as follows:
Fig. 3 discloses the exploded perspective view of the series mould set of heat emission fan of first embodiment of the invention; Fig. 4 discloses the combination stereogram of the series mould set of heat emission fan of first embodiment of the invention; Fig. 5 discloses the exploded perspective view of the series mould set of heat emission fan of second embodiment of the invention; Fig. 6 discloses the combination stereogram of the series mould set of heat emission fan of second embodiment of the invention; Fig. 7 discloses the exploded perspective view of the series mould set of heat emission fan of third embodiment of the invention; Fig. 8 discloses the combination stereogram of the series mould set of heat emission fan of third embodiment of the invention; Fig. 9 discloses the exploded perspective view of the series mould set of heat emission fan of fourth embodiment of the invention; Figure 10 discloses the combination stereogram of the series mould set of heat emission fan of fourth embodiment of the invention; And Figure 11 discloses the combination stereogram of the series mould set of heat emission fan of fifth embodiment of the invention.The partial component of series mould set of heat emission fan of the present invention is same as the known series mould set of heat emission fan of Fig. 1 and 2, thereby both same sections employing same reference numbers signs, and its structure and function are no longer given in detail and being given unnecessary details.
Please refer to shown in Fig. 3 and 4, the series mould set of heat emission fan of first embodiment of the invention comprises one first axial fan unit 10, one second axial fan unit 20, at least one conjunction and at least one side wind inlet 101.This first axial fan unit 10 is positioned at the inlet air side.This second axial fan unit 20 is positioned at the air side.This first and second axial fan unit 10,20 is installed with one first axial flow impeller (not illustrating) and one second axial flow impeller 22 by a framework 100,200 respectively, and this first and second axial fan unit 10,20 forms this conjunction and this side wind inlet 101 by the relative junction plane periphery of this framework 100,200 simultaneously.First embodiment's conjunction is preferably several draw-in grooves 11 and several fasteners 21, and they can be with these first and second axial fan unit 10,20 arranged in series and in conjunction with the location.This side wind inlet 101 is selected to be arranged with on the junction plane periphery of the framework 100,200 of an axial fan unit 10,20 wherein, and this side wind inlet 101 can make an air-flow path 12 of heat-dissipating fan inside be connected with the outside of heat-dissipating fan.By this, this side wind inlet 101 can increase the air output and the air output of this second axial fan unit 20 relatively.Particularly, when making the wind dispelling efficient reduction of this first axial flow impeller in these first axial fan unit, 10 unusual runnings, the axial flow impeller 22 of this second axial fan unit 20 also can be supplied the former air output that should be provided by the wind inlet of this first axial fan unit 10 via this side wind inlet 101.At this moment, also can fill up because of the uneven zone of the inconsistent current density that in this air-flow path 12, temporarily forms of the wind dispelling amount of this first axial flow impeller and the second axial flow impeller 22 by the air output that this side wind inlet 101 sucks, thereby this side wind inlet 101 also can reduce the probability that produces noise relatively when the 10 unusual runnings of first axial fan unit.
Moreover first embodiment of the invention also can be provided with at least one flow-guiding stator blade 30 for air-guiding and increase blast.This flow-guiding stator blade 30 can be formed on inlet air side, the air side of the framework 100,200 of this first axial fan unit 10 and/or second axial fan unit 20 according to the product demand selection.
Shown in Fig. 5 and 6, it discloses the series mould set of heat emission fan of second embodiment of the invention.Compared to first embodiment, second embodiment while is at the corresponding respectively side wind inlet 101,201 that forms of junction plane periphery of the framework 100,200 of first and second axial fan unit 10,20, the present invention can further increase the air draught scope of this side wind inlet 101,201 by this, the air output that the axial flow impeller 22 of this second axial fan unit 20 that increases is relatively sucked by this side wind inlet 101,201.
Shown in Fig. 7 and 8, it discloses the series mould set of heat emission fan of third embodiment of the invention.Compared to first and two embodiments, the 3rd embodiment's conjunction is similarly several draw-in grooves 11 and several fasteners 21, but each fastener 21 bottom further extends to form a spacer element 211.By this, when this first and second axial fan unit 10,20 utilize this draw-in groove 11 and fastener 21 to form arranged in series and in conjunction with the location after, can make between the junction plane of framework 100,200 of this first and second axial fan unit 10,20 by separating of this spacer element 211 and form this side wind inlet 101 '.This side wind inlet 101 ' can increase the relatively equally air output and the air output of this second axial fan unit 20, the mode of utilizing this spacer element 211 to form these side wind inlets 101 ' simultaneously have more the advantage of framework 100,200 basic frameworks that do not need significantly to redesign this first and second axial fan unit 10,20.
Shown in Fig. 9 and 10, it discloses the series mould set of heat emission fan of fourth embodiment of the invention.Compared to first to three embodiment, the 4th embodiment's conjunction is replaced into several screw rods 40 and several spacer elements 41.This screw rod 40 is in regular turn via several screws 13 of several through holes 23, spacer element 41 and first axial fan unit 10 of this second axial fan unit 20, makes this first and second axial fan unit 10,20 form arranged in series and in conjunction with the location.Simultaneously, make by separating of this spacer element 41 between the junction plane of framework 100,200 of this first and second axial fan unit 10,20 and form at least one side wind inlet 101 ', so that the air output and the air output of this second axial fan unit 20 that increases relatively.The mode that the 4th embodiment utilizes this screw rod 40 and spacer element 41 to form this side wind inlet 101 ' equally also has the advantage of framework 100,200 basic frameworks that need not redesign this first and second axial fan unit 10,20.
Moreover the conjunction of fourth embodiment of the invention also can be formed in one and be formed on several spacer elements 41 between this first and first axial fan unit 10,20.That is the present invention can directly utilize one-body molded mode ejection formation to make this first axial fan unit 10, several spacer elements 41 and second axial fan unit 20.The present invention need not use this screw rod 40 by this, can make 100,200 of the frameworks of this first and second axial fan unit 10,20 form at least one side wind inlet 101 ' by integrated spacer element 41 equally.
Referring again to shown in Figure 11, it discloses the series mould set of heat emission fan of fifth embodiment of the invention.Compared to first to fourth embodiment, the 5th embodiment is expanded to more than 3 the series connection quantity of axial fan unit, that is can select by this first axial fan unit 10, the inlet air side of second axial fan unit 20, air side one the 3rd axial fan unit 50 of connecting again.As shown in figure 11, the present invention is at the inlet air side of this first axial fan unit 10 one the 3rd axial fan unit 50 of connecting.The framework 100,200,500 of this axial fan unit 10,20,50 can select to utilize above-mentioned conjunction to carry out combination, for example the screw rod 40 of the fastener 21 of the draw-in groove 11 of the draw-in groove 11 of Fig. 3 and fastener 21, Fig. 7 and tool spacer element 211 or Fig. 9 and spacer element 41.Simultaneously, the 5th embodiment's conjunction is also replaceable to be a board 60 of arbitrary form, so not only can be positioned this board 60 by the suitable combination of framework 100,200,500 side utilizations of each axial fan unit 10,20,50 (as cohere, fastening, spiral shell establish welding) arranged in series and combination, and more can directly form a side wind inlet 501 by making the wherein suitable spacing of two axial fan units, 10,50 maintenances.This side wind inlet 501 can increase the relatively equally air output and the air output of this second axial fan unit 20, and the formation of this side wind inlet 501 does not also influence original module basic framework of this first and second axial fan unit 10,20.
As mentioned above, only sucking air-flow so that the unusual running of first axial fan unit by the wind inlet of single axial fan unit compared to the series shaft flow fan of the known heat-dissipating fan of Fig. 1 causes wind dispelling efficient to reduce often and produces defective such as noise, but the present invention of Fig. 3 nationality really is provided with at least one side wind inlet 101 by the junction plane periphery in the framework 100,200 of first and second axial fan unit 10,20, series mould set of heat emission fan is had increase air output, reduces noise and promotes the effect of integral heat sink efficient.
Though the present invention discloses with preferred embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (10)
1, a kind of series mould set of heat emission fan is characterized in that: described series mould set of heat emission fan comprises, one first axial fan unit, and it is positioned at the inlet air side, and is installed with one first axial flow impeller by a framework; One second axial fan unit, it is positioned at the air side, and is installed with one second axial flow impeller by a framework; At least one conjunction, it makes this first and second axial fan unit form arranged in series and combination location; And at least one side wind inlet, it is formed between this first and second axial fan unit framework, with the air output and the air output of this second axial fan unit of relative increase.
2, series mould set of heat emission fan according to claim 1, it is characterized in that: other is provided with at least one flow-guiding stator blade, with air-guiding and increase blast, this flow-guiding stator blade can be formed on the inlet air side or the air side of the framework of described first axial fan unit or second axial fan unit.
3, series mould set of heat emission fan according to claim 1 is characterized in that: on the junction plane of the framework of a described side wind inlet axial fan unit located therein.
4, series mould set of heat emission fan according to claim 1 is characterized in that: described side wind inlet is located on the junction plane of framework of this first axial fan unit and second axial fan unit simultaneously.
5, series mould set of heat emission fan according to claim 1, it is characterized in that: described conjunction is several draw-in grooves and several fasteners.
6, as series mould set of heat emission fan as described in the claim 5, it is characterized in that: described each fastener bottom extends to form a spacer element, when this first and second axial fan unit utilizes this draw-in groove and fastener to combine, by forming this side wind inlet between the junction plane that separates the framework that makes described first and second axial fan unit of the spacer element of this fastener.
7, series mould set of heat emission fan according to claim 1, it is characterized in that: described conjunction is several screw rods and several spacer elements, when described first and second axial fan unit utilized this screw rod and spacer element to combine, nationality was made by separating of this spacer element between the junction plane of framework of described first and second axial fan unit and forms this side wind inlet.
8, series mould set of heat emission fan according to claim 1, it is characterized in that: described conjunction is formed in one and is formed on several spacer elements between described first and second axial fan unit, and integrated spacer element makes between the framework of described first and second axial fan unit and forms this side wind inlet.
9, series mould set of heat emission fan according to claim 1, it is characterized in that: described conjunction is a board, by the framework side arranged in series of described first and second axial fan unit and in conjunction with being positioned this board, and make this axial fan unit keep spacing, to form described side wind inlet.
10, series mould set of heat emission fan according to claim 1 is characterized in that: described first axial fan unit, second axial fan unit can be by inlet air side, the air side more than one axial fan units of connecting in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03141309A CN100585191C (en) | 2003-06-10 | 2003-06-10 | Series connection module of heat radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03141309A CN100585191C (en) | 2003-06-10 | 2003-06-10 | Series connection module of heat radiation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1566711A CN1566711A (en) | 2005-01-19 |
| CN100585191C true CN100585191C (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03141309A Expired - Fee Related CN100585191C (en) | 2003-06-10 | 2003-06-10 | Series connection module of heat radiation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100585191C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205933B (en) * | 2006-12-19 | 2011-04-20 | 台达电子工业股份有限公司 | Airflow commutating device and serial fan |
| CN108457884A (en) * | 2014-11-25 | 2018-08-28 | 林桂花 | A kind of combination of fans |
| CN104564753A (en) * | 2015-01-26 | 2015-04-29 | 侯如升 | Double-head cooling fan |
| CN107781225B (en) * | 2016-08-24 | 2020-11-17 | 台达电子工业股份有限公司 | Series fan structure |
| CN107747763A (en) * | 2017-09-25 | 2018-03-02 | 青岛海尔空调器有限总公司 | Indoor apparatus of air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572403A (en) * | 1995-01-18 | 1996-11-05 | Dell Usa, L.P. | Plenum bypass serial fan cooling subsystem for computer systems |
| US6244818B1 (en) * | 1999-03-02 | 2001-06-12 | Delta Electronics, Inc. | Fan guard structure for additional supercharging function |
| US6343014B1 (en) * | 2000-08-11 | 2002-01-29 | Ming-Chuan Yu | CPU cooling arrangement |
| CN2484422Y (en) * | 2001-04-29 | 2002-04-03 | 台达电子工业股份有限公司 | Spare radiating device of series fan |
| US6537019B1 (en) * | 2000-06-06 | 2003-03-25 | Intel Corporation | Fan assembly and method |
-
2003
- 2003-06-10 CN CN03141309A patent/CN100585191C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572403A (en) * | 1995-01-18 | 1996-11-05 | Dell Usa, L.P. | Plenum bypass serial fan cooling subsystem for computer systems |
| US6244818B1 (en) * | 1999-03-02 | 2001-06-12 | Delta Electronics, Inc. | Fan guard structure for additional supercharging function |
| US6537019B1 (en) * | 2000-06-06 | 2003-03-25 | Intel Corporation | Fan assembly and method |
| US6343014B1 (en) * | 2000-08-11 | 2002-01-29 | Ming-Chuan Yu | CPU cooling arrangement |
| CN2484422Y (en) * | 2001-04-29 | 2002-04-03 | 台达电子工业股份有限公司 | Spare radiating device of series fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1566711A (en) | 2005-01-19 |
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Granted publication date: 20100127 Termination date: 20120610 |