CN101004177A - Centrifugal fan, and fan frame - Google Patents
Centrifugal fan, and fan frame Download PDFInfo
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- CN101004177A CN101004177A CN 200610006107 CN200610006107A CN101004177A CN 101004177 A CN101004177 A CN 101004177A CN 200610006107 CN200610006107 CN 200610006107 CN 200610006107 A CN200610006107 A CN 200610006107A CN 101004177 A CN101004177 A CN 101004177A
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- framework
- flabellum
- centrifugal fan
- fan
- dividing plate
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Abstract
The present invention relates to a fan frame. It includes a first frame body, a second frame body and a separation portion. The first frame body has at least a first opening; the second frame body has a base plate and a shaft cover portion. Said base plate has at least a second opening. Said separation portion is positioned between first frame body and second frame body, its one end is connected with first frame body and/or second frame body so as to form two independent air flow channels. Said invention also discloses a centrifugal fan, it possesses the above-mentioned fan frame.
Description
Technical field
The present invention relates to a kind of centrifugal fan, particularly relate to a kind of centrifugal fan that has more the air port that has.
Background technique
Along with electronic product towards high-performance, high frequency, high-speed and lightening developing rapidly, cause the heating temperature of electronic product more and more higher, thereby be easy to generate wild effect, influence production reliability, so existing electronic product often utilizes fan as sink.
With reference to Fig. 1, a kind of known centrifugal fan 1 comprises fan frame 11, an impeller 12 and a motor (not shown).Fan frame 11 has single wind inlet 111 and single exhaust outlet 112.Impeller 12 is arranged in the fan frame, and has a wheel hub 121 and a plurality of flabellum 122.Motor is arranged in the wheel hub 121, connects and drives impeller 12 rotations.When impeller 12 rotated, air-flow entered from wind inlet 111, promoted the back via flabellum 122 and was flowed out by exhaust outlet 112.
By centrifugal action, so big with respect to the blast of axial flow fan, air quantity is little, is to improve heat dissipation, known technology increases the inlet air area with the centrifugal fan of two-sided inlet air to known centrifugal fan, makes air quantity promote because of main.Yet, different and single exhaust outlet is only arranged during running because of both sides inlet air condition, so can be interfering with each other behind the air-flow inlet passage and influence radiating effect.For example the ambient temperature of a side wind inlet is 30 ℃, and the ambient temperature of opposite side wind inlet is 40 ℃, and air-flow is mixed with each other behind the inlet passage, causes the flow outlet temperature to rise (between 30 ℃ to 40 ℃), thereby influences radiating effect.
Therefore, how providing a kind of centrifugal fan and fan frame thereof, improve fan usefulness to be added to air quantity, is one of current important topic.
Summary of the invention.
In view of above-mentioned problem, purpose of the present invention, improves fan usefulness and makes fan energy flexible Application to be added to air quantity, air-out direction for a kind of centrifugal fan and fan frame thereof are provided.
Therefore, for achieving the above object,, have one first framework, one second framework and a separating part according to a kind of fan frame of the present invention.First framework has at least one first opening, and second framework has a base plate and a shaft sleeve part, and base plate has at least one second opening.Separating part is arranged between first framework and second framework, and the one end is connected with first framework and/or second framework, to form two individual air stream passages.
For achieving the above object,, comprise fan frame, an impeller and a motor according to a kind of centrifugal fan of the present invention.The fan frame has one first framework, one second framework and a separating part, and first framework has at least one first opening, and second framework has a base plate and a shaft sleeve part, and base plate has at least one second opening.Separating part is arranged between first framework and second framework, and the one end is connected with first framework and/or second framework, to form two individual air stream passages.Impeller is arranged between first framework and second framework, comprise a wheel hub, a plurality of first flabellum and a plurality of second flabellum, first flabellum and second flabellum encircle the periphery that is located at wheel hub respectively, first flabellum is adjacent to first framework, second flabellum is adjacent to second framework, and separating part is between first flabellum and second flabellum.Motor is arranged at shaft sleeve part, connects and the drives impeller rotation.
From the above mentioned, because of being to have two individual air stream passages,, improve fan usefulness so can be added to air quantity according to a kind of centrifugal fan of the present invention and fan frame thereof, but and two individual air stream passage flexible Application (for example different air outputs, different air-out directions etc.), so that heat radiation function to be provided respectively.
Description of drawings
Fig. 1 is a kind of stereogram of known centrifugal fan;
Fig. 2 is the exploded view according to a kind of centrifugal fan of the preferred embodiment of the present invention;
Fig. 3 is the stereogram according to a kind of centrifugal fan of the preferred embodiment of the present invention;
Fig. 4 is the exploded view according to the another kind of centrifugal fan of the preferred embodiment of the present invention; And
Fig. 5 is the stereogram according to the another kind of centrifugal fan of the preferred embodiment of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, a kind of centrifugal fan and fan frame thereof according to the preferred embodiment of the present invention are described, wherein components identical will be illustrated with identical reference character.
With reference to Fig. 2 and Fig. 3, a kind of centrifugal fan 2 of the preferred embodiment of the present invention comprises fan frame 21, at least one impeller 22 and a motor 23, and fan frame 21 comprises a framework 211,212 and a separating part 213.Motor 23 is arranged on framework 211,212 or the separating part 213, is that to be arranged on the framework 212 with motor 23 be that example describes in this preferred embodiment, but not as limit.
Framework 211 has a wind inlet 2111, and framework 212 has a wind inlet 2124, and separating part 213 is arranged between the framework 211,212, and is connected with framework 211,212 respectively, to form two individual air stream passages and two exhaust outlets 2112,2125.Separating part 213, framework 211,212 can be the difference independent individuals.Separating part 213 also can be one-body molded with framework 211 or framework 212.Separating part 213 for example is ring flat-plate or the plate body with ringwall.
Framework 212 also has a base plate 2121 and a shaft sleeve part 2122, and at least one joint 2123 of base plate 2121 usefulness is connected with shaft sleeve part 2122, to constitute wind inlet 2124.Joint 2123 can be rib, guide plate or stator blade.In addition, shaft sleeve part 2122 also can change as required and is formed on the separating part 213, and base plate 2121 only needed to be formed into air port 2124 and got final product this moment.
In addition, above-mentioned exhaust outlet 2112,2125 can be by adjusting the assembling position and the shape of framework 211,212 and separating part 213, and the air-out direction that makes exhaust outlet 2112,2125 is identical (as shown in Figure 5) or inequality, for example is perpendicular to one another, oppositely (as shown in Figure 3) or form an angle.Like this, fan 2 can dispel the heat to each heat radiation object that needs according to actual demand.
With reference to Fig. 4 and Fig. 5, the another kind of centrifugal fan 3 of the preferred embodiment of the present invention comprises fan frame 31, an impeller 32 and a motor 23.Fan frame 31 comprises two frameworks 311,312 and a separating part 313, and framework 311 has a wind inlet 3111 and an exhaust outlet 3112.Framework 312 is connected with framework 311, and has an exhaust outlet 3125, a base plate 3121 and a shaft sleeve part 3122.The a plurality of joints 3123 of base plate 3121 usefulness are connected with shaft sleeve part 3122, and have a wind inlet 3124.Joint 3123 can be rib, guide plate or stator blade.
Separating part 313 is between dividing plate 322,323, and separating part 313 is connected with framework 311 and/or framework 312.Motor 23 is connected with shaft sleeve part 3122, connects and drives impeller 32 rotations.Like this, when motor 23 runnings, also can form two individual air stream passages, make unlikely the influencing each other of air-flow in the fan.
In sum, because of having two individual air stream passages,, improve fan usefulness so can be added to air quantity according to a kind of centrifugal fan of the present invention and fan frame thereof, and two individual air stream passages can flexible Application (for example different air outputs, different air-out directions etc.), so that heat radiation function to be provided respectively.
The above is not restricted for illustrative only.Any spirit of the present invention and category of not breaking away from all should be included in the accompanying Claim scope its equivalent modifications of carrying out or change.
Claims (19)
1, a kind of centrifugal fan comprises:
One fan frame, have one first framework and one second framework, described first framework has at least one first wind inlet, described second framework has at least one second wind inlet, after described first framework and described second framework are assembled mutually, constitute two individual air stream passages, at least one first exhaust outlet and at least one second exhaust outlet; And
One impeller is arranged in the described fan frame, comprises at least one wheel hub, at least one first flabellum and at least one second flabellum, and described first flabellum and described second flabellum correspond respectively to described two individual air stream passages.
2, centrifugal fan as claimed in claim 1 also comprises a separating part, is arranged between first framework and second framework, and together constitutes individual air stream passage, first exhaust outlet and second exhaust outlet with first framework and second framework.
3, centrifugal fan as claimed in claim 2, the wherein said separating part and first framework are one-body molded, or one-body molded with second framework.
4, centrifugal fan as claimed in claim 2, wherein said separating part, first framework and second framework are the difference independent individual.
5, centrifugal fan as claimed in claim 2, wherein said separating part are ring flat-plate or the plate body with ringwall.
6, centrifugal fan as claimed in claim 1 or 2 also comprises a motor, connect and drives impeller, and this motor is arranged on first framework, second framework or the separating part.
7, centrifugal fan as claimed in claim 1, wherein said second framework has a base plate and a shaft sleeve part, and base plate has second wind inlet, and base plate is connected by at least one joint with shaft sleeve part.
8, centrifugal fan as claimed in claim 7, wherein said joint are rib, guide plate or stator blade.
9, centrifugal fan as claimed in claim 1, the air-out direction of wherein said individual air stream passage or air output are identical or inequality.
10, centrifugal fan as claimed in claim 1, wherein said wheel hub, first flabellum and second flabellum are indivedual independent individuals or one-body molded.
11, centrifugal fan as claimed in claim 1, wherein said impeller also comprises at least one dividing plate, is connected with wheel hub, first flabellum and second flabellum, dividing plate is between two individual air stream passages.
12, centrifugal fan as claimed in claim 11, wherein said dividing plate, wheel hub, first flabellum and second flabellum are difference independent individual or one-body molded.
13, centrifugal fan as claimed in claim 1, wherein said impeller also comprises one first dividing plate and a second partition, first dividing plate is connected with first flabellum with wheel hub, and second partition is connected with second flabellum with wheel hub, and first dividing plate and second partition are between two individual air stream passages.
14, centrifugal fan as claimed in claim 13, wherein said first dividing plate, second partition, wheel hub, first flabellum and second flabellum are difference independent individual or one-body molded.
15, centrifugal fan as claimed in claim 13 has a space between wherein said first dividing plate and the second partition.
16, centrifugal fan as claimed in claim 13 also comprises a separating part, is arranged between first dividing plate and the second partition, and is connected with second framework with first framework.
17, centrifugal fan as claimed in claim 1, aerofoil profile, quantity, spacing or the angle of inclination of wherein said first flabellum and second flabellum are equity or not reciprocity setting.
18, centrifugal fan as claimed in claim 1, the air-out direction of wherein said individual air stream passage be perpendicular to one another, oppositely or accompany an angle.
19, a kind of fan frame is applicable to a centrifugal fan, comprising:
One first framework has at least one first wind inlet; And
One second framework has at least one second wind inlet, after described first framework and described second framework are assembled mutually, constitutes two individual air stream passages, at least one first exhaust outlet and at least one second exhaust outlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2006100061072A CN100441877C (en) | 2006-01-16 | 2006-01-16 | Centrifugal fan, and fan frame |
Applications Claiming Priority (1)
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CNB2006100061072A CN100441877C (en) | 2006-01-16 | 2006-01-16 | Centrifugal fan, and fan frame |
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CN101004177A true CN101004177A (en) | 2007-07-25 |
CN100441877C CN100441877C (en) | 2008-12-10 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094852B (en) * | 2009-12-09 | 2013-01-02 | 奇鋐科技股份有限公司 | Fan shell structure |
CN101776085B (en) * | 2009-01-08 | 2013-05-22 | 台达电子工业股份有限公司 | Ventilation device |
US8653763B2 (en) | 2008-09-12 | 2014-02-18 | Delta Electronics, Inc. | Ventilator and its impeller |
CN108916112A (en) * | 2018-09-05 | 2018-11-30 | 浙江鸿友压缩机制造有限公司 | A kind of fan with double split flow construction |
CN109186054A (en) * | 2018-09-11 | 2019-01-11 | 珠海格力电器股份有限公司 | Double-flow-channel volute, air channel structure and air conditioner |
CN110118198A (en) * | 2018-02-05 | 2019-08-13 | 华硕电脑股份有限公司 | Centrifugal fan |
CN112303784A (en) * | 2019-07-31 | 2021-02-02 | 浙江琦远科技有限公司 | Air exhaust device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100432431B1 (en) * | 2001-11-13 | 2004-05-22 | 엘지이노텍 주식회사 | Both directions indraft type centrigugal fan and cooling apparatus for computer using the centrigugal fan |
CN1614241B (en) * | 2003-11-07 | 2012-12-19 | 台达电子工业股份有限公司 | Centrifugal fan and its frame structure |
JP2005256706A (en) * | 2004-03-11 | 2005-09-22 | Nippon Densan Corp | Elongated centrifugal fan |
TWI267583B (en) * | 2004-06-18 | 2006-12-01 | Delta Electronics Inc | Heat-dissipating device |
US7481617B2 (en) * | 2004-05-19 | 2009-01-27 | Delta Electronics, Inc. | Heat-dissipating device |
-
2006
- 2006-01-16 CN CNB2006100061072A patent/CN100441877C/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8653763B2 (en) | 2008-09-12 | 2014-02-18 | Delta Electronics, Inc. | Ventilator and its impeller |
CN101776085B (en) * | 2009-01-08 | 2013-05-22 | 台达电子工业股份有限公司 | Ventilation device |
CN102094852B (en) * | 2009-12-09 | 2013-01-02 | 奇鋐科技股份有限公司 | Fan shell structure |
CN110118198A (en) * | 2018-02-05 | 2019-08-13 | 华硕电脑股份有限公司 | Centrifugal fan |
CN110118198B (en) * | 2018-02-05 | 2021-03-02 | 华硕电脑股份有限公司 | Centrifugal fan |
CN108916112A (en) * | 2018-09-05 | 2018-11-30 | 浙江鸿友压缩机制造有限公司 | A kind of fan with double split flow construction |
CN109186054A (en) * | 2018-09-11 | 2019-01-11 | 珠海格力电器股份有限公司 | Double-flow-channel volute, air channel structure and air conditioner |
CN112303784A (en) * | 2019-07-31 | 2021-02-02 | 浙江琦远科技有限公司 | Air exhaust device |
Also Published As
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CN100441877C (en) | 2008-12-10 |
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