CN100523514C - Combined fan - Google Patents
Combined fan Download PDFInfo
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- CN100523514C CN100523514C CNB2005100515102A CN200510051510A CN100523514C CN 100523514 C CN100523514 C CN 100523514C CN B2005100515102 A CNB2005100515102 A CN B2005100515102A CN 200510051510 A CN200510051510 A CN 200510051510A CN 100523514 C CN100523514 C CN 100523514C
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Abstract
The invention relates to an integrated fan, which at least comprises: the first fan and the second fan. Wherein, the first one comprises the first frame, the first motor base and the first blade wheel, while the first blade wheel is mounted on the first motor base, the first frame has the first hole and the first motor base is mounted inside the first hole. The first motor base is formed by connecting several first diversion elements and the first frame. The second frame comprises the second frame, the second motor base and the second blade wheel, while the second motor base is formed by connecting several second diversion elements and the second frame. The first and second fans are parallel, while the number of first diversion element equals the number of second one. The invention can avoid resonance between two nearby fans.
Description
Technical field
The present invention system is about a kind of fan, particularly about a kind of assembled fan.
Background technique
The application of fan mostly is heat radiation, and for example general electronic equipment promptly needs the mat fan to dispel the heat.General electronic devices only needs a fan to get final product, but at some shape comparatively length and width or flat electronic equipment, for example be large server (server), communication apparatus (telecom), large-scale router (router) etc., if single heat radiation of using a fan often can only accomplish the part, and can't reach comprehensive heat radiation, and therefore in design, can be in response to the change of system's shape, with a plurality of combination of fans together, to promote the effect of heat radiation.
Please refer to Figure 1A, it shows the schematic representation of known a kind of assembled fan.Assembled fan can be formed by the fan common combination more than two, in Figure 1A, is example with 2 fan 12a, 12b only. Fan 12a, 12b respectively are a monomer fan, are arranged in the system with parallel way.Perhaps, please refer to Figure 1B, it shows the schematic representation of known another kind of assembled fan.Assembled fan is arranged at this modular construction in the system after also can utilizing a blades (fan tray) 14 with two fan 12a, 12b formation earlier in parallel, one modular construction again.
Yet, directly be locked in the system or use blades to form a modular construction no matter be, when two fan 12a, 12b closely are arranged in a time-out, close because of both frequency of natural vibrations easily, and generation resonance phenomenon (sympathetic vibration), cause noise to swash frequently and produce, and its level of noise also promotes relatively.And if adopt two different fans,, rotating speed different such as the flabellum number that makes two fans do not wait, though may make the free frequency of two fans differ bigger, perhaps can avoid producing resonance phenomenon, right two different fans fan duty each other is also inequality, causes flow field phase mutual interference each other easily.
Summary of the invention
Therefore, for addressing the above problem, the present invention proposes a kind of assembled fan, not only can take into account whole fan duty, can avoid producing resonance phenomenon between the two adjacent fans simultaneously, and the minimizing noise is sharp to be produced frequently, and then improves its level of noise.
According to purpose of the present invention, a kind of assembled fan is proposed, comprise first fan, and second fan.First fan comprises first framework, first motor base, and first impeller.First impeller is arranged on first motor base, and first framework has first perforate, and first motor base then is arranged in this first perforate, and first motor base system links to each other with first framework with a plurality of first guiding subassemblies.Second fan comprises second framework, second motor base, and second impeller.Second impeller is arranged on second motor base, and second framework has second perforate, and second motor base then is arranged in this second perforate, and second motor base system links to each other with second framework with a plurality of second guiding subassemblies.Wherein, first fan and the configuration in parallel of second fan system, and the number of first guiding subassembly system is different from the number of second guiding subassembly.
As above-mentioned assembled fan, first perforate forms a wind inlet and an exhaust outlet on first framework, and first motor base system is positioned at exhaust outlet.First fan also comprises at least one expanding part, is arranged at wind inlet or exhaust outlet, and air-flow flows into or the area of outflow to increase, and expanding part links to each other with first framework.
As above-mentioned assembled fan, second perforate forms a wind inlet and an exhaust outlet on first framework, and second motor base system is positioned at exhaust outlet.Second fan also comprises at least one expanding part, is arranged at wind inlet or exhaust outlet, and air-flow flows into or the area of outflow to increase, and expanding part links to each other with second framework.
As above-mentioned assembled fan, first impeller has the lobe numbers that equates with the second impeller cording, and first guiding subassembly and second guiding subassembly are rib or stator blade.First fan and this second fan are axial flow fan.In addition, first fan can utilize a blades (fan tray) configuration in parallel in addition with second fan, for example is to be installed on arbitrary appropriate location of this blades with buckle, the chimeric mode that maybe can load and unload freely.
According to a further object of the present invention, reintroduce a kind of assembled fan, comprise a framework, a plurality of motor base, and a plurality of impeller.Framework is a global formation, and has a plurality of perforates, and described a plurality of motor base is arranged in the perforate correspondingly, and each motor base links to each other with framework with a plurality of guiding subassemblies.Described a plurality of impeller is arranged on the motor base correspondingly.Wherein, the number of the guiding subassembly of every adjacent two motor base is unequal.
As above-mentioned assembled fan, this a little perforates system is respectively at respectively forming a wind inlet and an exhaust outlet on the framework, and each motor base system is positioned at exhaust outlet.And above-mentioned assembled fan also comprises an expanding part, is arranged at described wind inlet or described exhaust outlet, and air-flow flows into or the area of outflow to increase, and these a little expanding parts link to each other with framework.
As above-mentioned assembled fan, wherein said impeller is an aial flow impeller.And described impeller cording has equal lobe numbers, and guiding subassembly is rib or stator blade.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1A shows the schematic representation of known a kind of assembled fan.
Figure 1B shows the schematic representation of known another kind of assembled fan.
Fig. 2 A shows the plan view according to the assembled fan of the first embodiment of the present invention.
Fig. 2 B shows the worm's eye view of the assembled fan of Fig. 2 B.
Fig. 3 A shows the plan view according to the assembled fan of the second embodiment of the present invention.
Fig. 3 B shows the worm's eye view of the assembled fan of Fig. 3 B.
Fig. 4 A shows the plan view according to the assembled fan of the third embodiment of the present invention.
Fig. 4 B shows the worm's eye view of the assembled fan of Fig. 4 A.
Fig. 5 A and Fig. 5 B are the spectrogram contrast of known fan and fan of the present invention.
Embodiment
First embodiment
Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, Fig. 2 A shows the plan view according to the assembled fan of the first embodiment of the present invention, and Fig. 2 B shows the worm's eye view of the assembled fan of Fig. 2 B.At this, what need pay special attention to is, for asking convenient explanation, is example with two fans only in the present embodiment, and right present embodiment is not limited in this, and the user is visual, and it is required, and the fan more than three in parallel simultaneously also can.In the present embodiment, assembled fan 20 comprises two fan 22a, 22b at least, and fan 22a for example is an axial flow fan, comprises a framework 23a, a motor base 24a, an impeller 25a and at least one guiding subassembly 26a.
Framework 23a has a perforate, and perforate respectively forms a wind inlet and an exhaust outlet in the framework two ends.Motor base 24a is arranged in the perforate, and can be required and select one and be arranged at wind inlet or exhaust outlet place according to the user, in the present embodiment, preferably motor base 24a is arranged at the exhaust outlet place.Impeller 25a system is arranged on the motor base 24a, and a plurality of guiding subassembly 26a then are arranged between framework 23a and the motor base 24a, uses and supports motor base 24a, and have the function of steering flow simultaneously.Simultaneously, motor base 24a system links to each other with framework 23a by a plurality of guiding subassembly 26a.
Similarly, fan 22b for example is an axial flow fan, comprises a framework 23b, a motor base 24b, an impeller 25b and at least one guiding subassembly 26b.Framework 23b has a perforate, and perforate respectively forms a wind inlet and an exhaust outlet in the framework two ends.Motor base 24b is arranged in the perforate, and preferably motor base 24b is arranged at the exhaust outlet place.Impeller 25b system is arranged on the motor base 24b, and a plurality of guiding subassembly 26b then are arranged between framework 23b and the motor base 24b, uses and supports motor base 24b, and have the function of steering flow simultaneously.Simultaneously, motor base 24b system links to each other with framework 23b by a plurality of guiding subassembly 26b.
Fan 22a is two extremely similar fans to fan 22b, the framework that it adopted, motor base, impeller, and the lobe numbers on the impeller is all identical, and both topmost differences promptly are, the number system of guiding subassembly 26a is different from the number of guiding subassembly 26b.With present embodiment, fan 22a adopts four guiding subassembly 26a, and fan 22b then adopts three guiding subassembly 26a.Guiding subassembly for example is rib, stator blade, or an equivalent assembly.
When fan 22a with fan 22b compact configuration in parallel together the time, because fan 22a has similar fan duty to fan 22b, can not produce the problem of flow field phase mutual interference each other, add the number difference of guiding subassembly each other, be enough to make the frequency of natural vibration of two fans to produce different, can avoid two adjacent fans between produce resonance phenomenon (sympathetic vibration), reduce noise and swash frequently and produce, and then improve its level of noise.
Second embodiment
Please be simultaneously with reference to Fig. 3 A and Fig. 3 B, Fig. 3 A shows the plan view according to the assembled fan of the second embodiment of the present invention, and Fig. 3 B shows the worm's eye view of the assembled fan of Fig. 3 B.Assembled fan 30 comprises two fan 32a, 32b at least, and a blades (fan tray) 34.At this, what need pay special attention to is, for asking convenient explanation, is example with two fans only in the present embodiment, and right present embodiment is not limited in this, and the user is visual, and it is required, and the fan more than three in parallel simultaneously also can.
Two fan 32a, 32b major character in the present embodiment are similar to fan 22a, 22b among first embodiment, fan 32a is two extremely similar fans to fan 32b, the framework that it adopted, motor base, impeller, and the lobe numbers on the impeller is all identical, and both topmost differences promptly are, the number system of guiding subassembly 36a is different from the number of guiding subassembly 36b.For present embodiment, fan 32a adopts four guiding subassembly 36a, and fan 32b then adopts three guiding subassembly 36a.Guiding subassembly for example is rib, stator blade, or an equivalent assembly.
When fan 32a with fan 32b compact configuration in parallel together the time, because fan 32a has similar fan duty to fan 32b, can not produce the problem of flow field phase mutual interference each other, add the number difference of guiding subassembly each other, be enough to make the frequency of natural vibration of two fans to produce different, can avoid two adjacent fans between produce resonance phenomenon, reduce noise and swash frequently and produce, and then improve its level of noise.
Present embodiment and first embodiment different be in: first embodiment's fan 22a, 22b respectively is a monomer fan, is arranged in the system respectively with parallel way.Present embodiment then is after utilizing blades 34 with two fan 32a, 32b formation earlier in parallel, one modular construction earlier, again this modular construction is arranged in the system, thus, for large scale system, help the convenience of assembling, some difficulty when avoiding securing to a plurality of fans in the system one by one.
Fan 32a, 32b are installed on arbitrary appropriate location of blades 34 with buckle, mode chimeric, that can load and unload freely, and the demand that can use according to reality, augment the number of fan and the mode of configuration.
The 3rd embodiment
Please be simultaneously with reference to Fig. 4 A and Fig. 4 B, Fig. 4 A shows the plan view according to the assembled fan of the third embodiment of the present invention, and Fig. 4 B shows the worm's eye view of the assembled fan of Fig. 4 A.At this, what need pay special attention to is, for asking convenient explanation, is example with two fan 42a, 42b only in the present embodiment, and right present embodiment is not limited in this, and the user is visual, and it is required, and the fan more than three in parallel simultaneously also can.
In the present embodiment, assembled fan 40 is by comprising a framework 43, motor base 44a, 44b, and impeller 45a, 45b, uses and forms two fan 42a, 42b.Framework 43 is a global formation, and has a plurality of perforates, to form air port and wind inlet separately in framework 43 respectively.Motor base 44a, 44b system is arranged in the perforate respectively, and can be required and select one and be arranged at wind inlet or exhaust outlet place according to the user, in the present embodiment, preferably motor base 44a, 44b is arranged at the exhaust outlet place.
In sum, each above-mentioned embodiment is all under the prerequisite of taking into account whole fan duty, by making the frequency of natural vibration between two adjacent fans produce different, avoid two adjacent fans between produce resonance phenomenon, swash frequently and produce to reduce noise, and then improve its level of noise.Yet, the present invention is not restricted to this, for example, can for example be wind inlet or exhaust outlet place more, an expanding part is set in the framework outer rim of each fan monomer, can increase the area that air-flow flows into or flows out, further can promote whole blast or air quantity, and when expanding part is arranged at the exhaust outlet place, more can reach the effect of deceleration and rectification.
In addition, please be simultaneously with reference to Fig. 5 A and Fig. 5 B, Fig. 5 A is the spectrogram that known fan is made sound test back gained, it adopts the monomer fan parallel connection of two about seven centimeters sizes, and each fan all uses four root bars to connect framework and motor base.Fig. 5 B then is the spectrogram of fan of the present invention, it is according to the assembled fan of third embodiment of the invention, adopt in parallel with the monomer fan of known similar two about seven centimeters sizes, a right fan wherein uses three root bars, and another fan then uses four root bars to connect framework and motor base respectively.
Fig. 5 A and Fig. 5 B are contrasted mutually, can find obviously that known fan has a tangible noise and swashs frequently at about 1000Hz place, using fan of the present invention then obviously improves herein, thus, can prove that using assembled fan of the present invention has really and avoid producing resonance phenomenon between the two adjacent fans, can reduce noise and swash the effect that frequently produces and improve level of noise completely.
Though the present invention describes as above in conjunction with the preferred embodiments; right its is not in order to limit the present invention; those skilled in the art is under the situation that does not break away from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention limits and is as the criterion when looking appended claim.
Claims (16)
1. assembled fan comprises:
One first fan comprises:
One first framework has one first perforate;
One first motor base is arranged in this first perforate, and this first motor base system links to each other with this first framework with a plurality of first guiding subassemblies; And
One first impeller is arranged on this first motor base; And
One second fan comprises:
One second framework has one second perforate;
One second motor base is arranged in this second perforate, and this second motor base system links to each other with this second framework with a plurality of second guiding subassemblies; And
One second impeller is arranged on this second motor base;
Wherein, this first fan and this second fan system configuration in parallel, and the number of described first guiding subassembly system is different from the number of described second guiding subassembly.
2. assembled fan as claimed in claim 1, wherein this first perforate forms a wind inlet and an exhaust outlet on this first framework, and this first motor base system is positioned at this exhaust outlet.
3. assembled fan as claimed in claim 2, wherein this first fan also comprises at least one expanding part, is arranged at this wind inlet or this exhaust outlet, air-flow flows into or the area of outflow to increase, and this expanding part links to each other with this first framework.
4. assembled fan as claimed in claim 1, wherein this second perforate forms a wind inlet and an exhaust outlet on this second framework, and this second motor base is positioned at this exhaust outlet.
5. assembled fan as claimed in claim 4, wherein this second fan also comprises at least one expanding part, is arranged at this wind inlet or this exhaust outlet, air-flow flows into or the area of outflow to increase, and this expanding part links to each other with this second framework.
6. assembled fan as claimed in claim 1, wherein this first impeller has the lobe numbers that equates with this second impeller.
7. assembled fan as claimed in claim 1, wherein this first fan and this second fan system utilize in addition configuration in parallel of a blades.
8. assembled fan as claimed in claim 7, wherein this first fan and this second fan system is installed on arbitrary appropriate location of this blades with buckle, the chimeric mode that maybe can load and unload freely.
9. assembled fan as claimed in claim 1, wherein said first guiding subassembly and second guiding subassembly are rib or stator blade.
10. assembled fan as claimed in claim 1, wherein this first fan and this second fan are axial flow fan.
11. an assembled fan comprises:
One framework, this framework is a global formation, has a plurality of perforates;
A plurality of motor bases are arranged in the described perforate correspondingly, and each motor base system links to each other with this framework with a plurality of guiding subassemblies; And
A plurality of impellers are arranged on the described motor base correspondingly;
Wherein, the number of the described guiding subassembly of every adjacent two motor base is unequal.
12. assembled fan as claimed in claim 11, wherein said perforate are respectively at each self-forming one wind inlet and an exhaust outlet on this framework, and each motor base system is positioned at this exhaust outlet.
13. assembled fan as claimed in claim 12 also comprises an expanding part, is arranged at described wind inlet or described exhaust outlet, air-flow flows into or the area of outflow to increase, and described expanding part links to each other with this framework.
14. assembled fan as claimed in claim 11, wherein said impeller cording has equal lobe numbers.
15. assembled fan as claimed in claim 11, wherein said guiding subassembly are rib or stator blade.
16. assembled fan as claimed in claim 11, wherein said impeller are aial flow impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100515102A CN100523514C (en) | 2005-03-01 | 2005-03-01 | Combined fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100515102A CN100523514C (en) | 2005-03-01 | 2005-03-01 | Combined fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1828060A CN1828060A (en) | 2006-09-06 |
| CN100523514C true CN100523514C (en) | 2009-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100515102A Active CN100523514C (en) | 2005-03-01 | 2005-03-01 | Combined fan |
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| Country | Link |
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| CN (1) | CN100523514C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149057B (en) * | 2006-09-22 | 2011-05-04 | 台达电子工业股份有限公司 | Multiple motor blower and its impeller |
| CN101865150B (en) * | 2006-09-22 | 2012-09-05 | 台达电子工业股份有限公司 | Multi-motor blower and impeller thereof |
| CN101328900A (en) * | 2007-06-19 | 2008-12-24 | 深圳市联创实业有限公司 | Ultra-thin household air conditioning apparatus |
| CN105927563B (en) * | 2009-08-03 | 2019-09-17 | 三菱电机株式会社 | Air blower |
-
2005
- 2005-03-01 CN CNB2005100515102A patent/CN100523514C/en active Active
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| CN1828060A (en) | 2006-09-06 |
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