CN2702097Y - Double centrifugal fan - Google Patents
Double centrifugal fan Download PDFInfo
- Publication number
- CN2702097Y CN2702097Y CN 200420004291 CN200420004291U CN2702097Y CN 2702097 Y CN2702097 Y CN 2702097Y CN 200420004291 CN200420004291 CN 200420004291 CN 200420004291 U CN200420004291 U CN 200420004291U CN 2702097 Y CN2702097 Y CN 2702097Y
- Authority
- CN
- China
- Prior art keywords
- centrifugal fan
- housing
- room
- fan
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a double centrifugal fan, comprising a shell, a first centrifugal fan and a second centrifugal fan. The inner side of the shell takes a hollow type, and is divided into a left first containing chamber and a right second containing chamber side by side. The first centrifugal fan and the second centrifugal fan are respectively arranged in the first containing chamber and the second containing chamber. A first air inlet opening and a second air inlet opening are arranged on the shell; the first air inlet opening and the second air inlet opening are corresponding to the first containing chamber and the second containing chamber respectively; the bottom of the shell is provided with an air outlet. Wherein, the first centrifugal fan and the second centrifugal fan are respectively arranged in the first containing chamber and the second containing chamber to comprise a pair of centrifugal fans. The double centrifugal fan can be applied on a heat radiation device.
Description
Technical field
The utility model relates to a kind of pair of centrifugal fan, relates in particular to a kind of central processing unit (CPU) heat radiation aspects such as (CPU) that is applied to, by two two centrifugal fans that centrifugal fan constituted.
Background technique
Fig. 1 is a kind of known sink.As shown in Figure 1, sink 1a is applied to comprise a radiator 10a and an axial flow fan 11a on central processing unit (CPU) (CPU) 2a.Wherein, radiator 10a has a pedestal 100a, and pedestal 100a is used for being attached on the surface of central processing unit (CPU) 2a, and radiator 10a is the one-body molded fin 101a that a plurality of intervals vertical arrangement is arranged on pedestal 100a.Axial flow fan 11a is positioned on the fin 101a.Therefore, when central processing unit (CPU) 2a moved, the heat that it produced can be conducted to by the pedestal 100a of radiator 10a on the fin 101a, was sucked air and was formed cold airflow by the external world through radiation fan 11a again, the heat that to contain between each fin 101a is expelled, and reaches the purpose of heat radiation.
Because electronic heating components such as central processing unit (CPU) 2a now are along with the raising of technical merit, not only increased functionality, motion speed are accelerated, and its heating value also significantly improves.Therefore, above-mentioned sink 1a can't satisfy the demand on integral heat sink efficient.Simultaneously, again since the air-flow that the axial flow fan 11a of sink 1a is blown out vertically downward, makes air-flow directly impinge upon on the pedestal 100a, thereby heat can't be expelled, discharges to the external world, so radiating effect is very bad.
Above-mentioned known sink obviously has in addition improved inconvenience and defective existence on reality is used.
The design people is in view of the defective that exists in the above-mentioned prior art, through concentrating on studies and cooperating the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.
Content of the present utility model
Main purpose of the present utility model is to provide a kind of pair of centrifugal fan, and it is one by two fans that centrifugal fan is constituted side by side.The work that this fan can utilize two centrifugal fans simultaneously radiator to be expelled heat improves the integral heat sink efficient of this radiator or sink.
In order to realize above-mentioned purpose, the utility model provides a kind of pair of centrifugal fan, comprises one first centrifugal fan, one second centrifugal fan and a housing.This enclosure interior is hollow shape, and left and right first room and second room side by side arranged.First and second centrifugal fan is installed in respectively in first and second room.Offer first wind inlet and second wind inlet on this housing.This first and second wind inlet is relative with this first and second room respectively, and housing bottom is an exhaust outlet.Wherein, this first and second centrifugal fan is installed in respectively in first and second room of housing, constitutes of the present utility model pair of centrifugal fan thus.
Of the present utility model pair of centrifugal fan can expel the heats that electro-heat equipment produced such as central processing unit (CPU) apace, discharge, and make heat that certain discharge path be arranged, and can not hoard between the runner of each radiating fin, therefore can reach better heat radiating effect effectively.
Brief description of drawings
Fig. 1 is the user mode schematic representation of known sink;
Fig. 2 is the three-dimensional exploded view of two centrifugal fans of the utility model first embodiment;
Fig. 3 is the three-dimensional combination figure of two centrifugal fans of the utility model first embodiment;
Fig. 4 is the user mode sectional view of two centrifugal fans of the utility model first embodiment;
Fig. 5 is the user mode sectional view of two centrifugal fans of the utility model second embodiment;
Fig. 6 is the user mode sectional view of two centrifugal fans of the utility model the 3rd embodiment;
Fig. 7 is the user mode sectional view of two centrifugal fans of the utility model the 4th embodiment;
Fig. 8 is the stereogram of two centrifugal fans of the utility model the 5th embodiment.
In the accompanying drawing, the list of parts of each label representative is as follows:
The 1a-sink
10a-radiator 100a-pedestal
101a-fin 11a-axial flow fan
The 2a-central processing unit (CPU)
The 1-fan
10-housing 10 '-the first housing
10 " the second housing 100-flange
The 101-first room 102-second room
The 103-first wind inlet 104-second wind inlet
105-exhaust outlet 106-support arm
107-perforation 11-first centrifugal fan
110-flabellum 111-motor
The 12-second centrifugal fan 120-flabellum
The 121-motor
The 2-fan housing
20-through hole 21-through hole
22-threaded connection hole 23-connection part
The 24-connection part
The 3-radiator
30-thermal conduction base 31-radiating fin
32-runner 33-tip
The 4-central processing unit (CPU)
Embodiment
In order to make those skilled in the art further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, accompanying drawing only provide with reference to and usefulness is described, be not to be used for limiting the utility model.
Fig. 2 and Fig. 3 are respectively the utility model first embodiment's three-dimensional exploded view and three-dimensional combination figure.The utility model provides a kind of pair of centrifugal fan, as shown in Figures 2 and 3, in the present embodiment, two centrifugal fans 1 comprise a housing 10, housing 10 inside are hollow shape, dividing has left and right first room 101 and second room 102 (as shown in Figure 4) side by side, is respectively arranged with first centrifugal fan 11 and second centrifugal fan 12 in first and second room 101,102.
Offer first wind inlet 103 and second wind inlet 104 at housing 10 respectively corresponding to first and second room 101,102 places, first and second wind inlet 103,104 is positioned at the top of housing 10, the bottom of housing 10 is an exhaust outlet 105, and exhaust outlet 105 communicates with first and second room 101,102 simultaneously.
First and second centrifugal fan 11,12 all includes centrifugal flabellum 110,120 and drives the motor 111,121 that flabellum 110,120 is done rotation.Motor 111,121 the turning to of running of first and second centrifugal fan 11,12 can be opposite each other, makes the flabellum 110,120 of first and second centrifugal fan 11,12 be relative reverse setting (as shown in Figure 4).The mode that first and second centrifugal fan 11,12 is assemblied in first and second room 101,102 of housing is: in first and second room 101,102 support arm 106 is set respectively, by support arm 106 motor 111,121 of first and second centrifugal fan 11,12 is fixed on the inside of housing 10, first and second centrifugal fan 11,12 is connected with housing 10.Because above-mentioned structure about the thin portion of centrifugal fan is identical with known technology, and is not the category that the utility model is applied for a patent, so no longer given unnecessary details.
As shown in Figure 4, constitute described sink by fan 1 and a fan housing 2, a radiator 3.Wherein, radiator 3 can be general common aluminium extruding radiator, or the structure shown in the utility model embodiment.Radiator 3 comprises a thermal conduction base 30 and a plurality of radiating fin 31 that is spaced and is arranged on the thermal conduction base 30, and is formed with runner 32 because of being provided with at interval between each radiating fin 31.
As shown in Figure 4, when the utility model is applied on the central processing unit (CPU) (CPU) 4, the opposite rotation direction of first and second centrifugal fan 11,12 by fan 1, the heat that the air-flow that both are blown out can be produced central processing unit (CPU) 4 is discharged towards the both sides of the runner 32 of radiator 3, apace heat is expelled, discharges, and make heat that certain discharge path be arranged, and can not hoard 32 of the runners of each radiating fin 31, therefore can reach better heat radiating effect effectively.
Fig. 5 is the utility model second embodiment's a user mode sectional view.As shown in Figure 5, in the present embodiment, be formed with middle high, a low tip 33, both sides on the thermal conduction base 30 of radiator 3, the surface of tip 33 is concave arc surface, and each radiating fin 31 cooperation bridges on tip 33.Thus, first and second centrifugal fan 11,12 air-flows that blown out just can be taken advantage of a situation and heat be taken out of the runner 32 of each radiating fin 31, reduce that air-flow directly clashes into thermal conduction base 30 and the energy loss that causes.
Fig. 6 and Fig. 7 are respectively the utility model the 3rd and the 4th embodiment's user mode sectional view.As Figure 6 and Figure 7, first and second wind inlet 103,104 of the housing 10 of fan 1 can lay respectively at the and arranged on left and right sides (as shown in Figure 6) of housing 10 or lay respectively at the forward and backward both ends of the surface (as shown in Figure 7) of housing 10, and the position of concrete wind inlet can change according to fan 1 actual Environmental Conditions.
Fig. 8 is the utility model the 5th embodiment's a stereogram.As shown in Figure 8, in the present embodiment, fan 1 housing 10 be separated into first housing 10 ' with second housing 10 ".First and second centrifugal fan 11,12 still be installed in respectively first and second housing 10 ', 10 " in.First and second housing 10 ', 10 " corresponding with the through hole 20,21 at fan housing 2 tops respectively.
In sum, the utility model is real to be rare novel creation product, it can reach the application target of expection really, solve the defective that exists in the prior art, have novelty and creativeness, meet the requirement of utility application fully, file an application according to Patent Law, would like to ask detailed survey and authorize this case patent, to ensure designer's right.
The above only is embodiment of the present utility model, and is non-so promptly limit claim of the present utility model, and the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are done all in like manner is included in the scope of the present utility model.
Claims (8)
1. a two centrifugal fan is characterized in that, comprising:
One first centrifugal fan;
One second centrifugal fan; And
Housing, inside is hollow shape and divides left and right first room and second room side by side, offer first wind inlet and second wind inlet on the described housing, described first and second wind inlet is relative with described first and second room respectively, and described housing bottom is an exhaust outlet;
Described first and second centrifugal fan is installed in respectively in first and second room of described housing.
2. pair centrifugal fan as claimed in claim 1 is characterized in that described first and second centrifugal fan all comprises flabellum and drives the motor that described flabellum is done rotation, and the flabellum of described first and second centrifugal fan is relative reverse setting.
3. pair centrifugal fan as claimed in claim 1 is characterized in that described housing bottom is formed with the flange that is around in its outer rim.
4. pair centrifugal fan as claimed in claim 1 is characterized in that being respectively arranged with support arm in first and second room of described housing, by described support arm described first and second centrifugal fan is fixed on described enclosure interior.
5. pair centrifugal fan as claimed in claim 1 is characterized in that first and second wind inlet of described housing is positioned at described case top.
6. pair centrifugal fan as claimed in claim 1 is characterized in that first and second wind inlet of described housing lays respectively at the and arranged on left and right sides of described housing.
7. pair centrifugal fan as claimed in claim 1 is characterized in that first and second wind inlet of described housing lays respectively at the forward and backward both ends of the surface of described housing.
8. pair centrifugal fan as claimed in claim 1, it is characterized in that described housing is two the first relatively independent housings and second housing, described first housing and second housing form described first room and second room respectively, and described first, second centrifugal fan is installed in respectively in described first, second room.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420004291 CN2702097Y (en) | 2004-02-26 | 2004-02-26 | Double centrifugal fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420004291 CN2702097Y (en) | 2004-02-26 | 2004-02-26 | Double centrifugal fan |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2702097Y true CN2702097Y (en) | 2005-05-25 |
Family
ID=34767385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420004291 Expired - Fee Related CN2702097Y (en) | 2004-02-26 | 2004-02-26 | Double centrifugal fan |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2702097Y (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7458767B2 (en) | 2005-06-10 | 2008-12-02 | Hon Hai Precision Industry Co., Ltd. | Cooling fan assembly for electric apparatus |
CN100447426C (en) * | 2005-07-27 | 2008-12-31 | 台达电子工业股份有限公司 | Centrifugal fan |
CN100591922C (en) * | 2005-06-14 | 2010-02-24 | 鸿富锦精密工业(深圳)有限公司 | Radiating mould assembly with double fan |
US7748381B2 (en) | 2005-12-09 | 2010-07-06 | 3M Innovative Properties Company | Portable blower system |
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 |
CN102852859A (en) * | 2011-06-29 | 2013-01-02 | 建准电机工业股份有限公司 | Parallel-type horizontal convection fan |
CN104074725A (en) * | 2013-03-30 | 2014-10-01 | 任文华 | Fan |
EP2343959B1 (en) * | 2010-01-12 | 2019-01-02 | Samsung Electronics Co., Ltd. | Cooler and display device having the same |
-
2004
- 2004-02-26 CN CN 200420004291 patent/CN2702097Y/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7458767B2 (en) | 2005-06-10 | 2008-12-02 | Hon Hai Precision Industry Co., Ltd. | Cooling fan assembly for electric apparatus |
CN100591922C (en) * | 2005-06-14 | 2010-02-24 | 鸿富锦精密工业(深圳)有限公司 | Radiating mould assembly with double fan |
CN100447426C (en) * | 2005-07-27 | 2008-12-31 | 台达电子工业股份有限公司 | Centrifugal fan |
US7748381B2 (en) | 2005-12-09 | 2010-07-06 | 3M Innovative Properties Company | Portable blower system |
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 |
EP2343959B1 (en) * | 2010-01-12 | 2019-01-02 | Samsung Electronics Co., Ltd. | Cooler and display device having the same |
CN102852859A (en) * | 2011-06-29 | 2013-01-02 | 建准电机工业股份有限公司 | Parallel-type horizontal convection fan |
CN102852859B (en) * | 2011-06-29 | 2015-06-03 | 建准电机工业股份有限公司 | Parallel-type horizontal convection fan |
CN104074725A (en) * | 2013-03-30 | 2014-10-01 | 任文华 | Fan |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1264656C (en) | Electric tool | |
CN2702097Y (en) | Double centrifugal fan | |
CN2681336Y (en) | Heat sink | |
CN213906445U (en) | Variable frequency motor and frequency converter combined device | |
CN2760756Y (en) | Biphase liquid regurgitating type radiator | |
CN2653695Y (en) | Heat radiator | |
CN200953244Y (en) | Harddisk holding box with radiator | |
CN2678133Y (en) | Radiating device with circulating runner | |
CN2699363Y (en) | Radiator | |
CN2643378Y (en) | Flow guiding apparatus | |
CN2733049Y (en) | Radiating fan applied in radiator | |
CN2658442Y (en) | Centrifugal fan radiation module | |
CN2660849Y (en) | Improved radiator | |
CN2561003Y (en) | Forced radiating apparatus | |
CN2504683Y (en) | Radiator | |
CN2629221Y (en) | Radiating device with plate type thermal tube | |
CN2864795Y (en) | Heat dissipation module for notebook computer | |
CN2678131Y (en) | Radiator | |
CN2891280Y (en) | Wind scooper of CPU heat radiator for server | |
CN112328056A (en) | Automatic heat dissipation component of big data computing server | |
CN2821784Y (en) | Hard disc machine heat radiator | |
CN2710320Y (en) | Power supply device without fan | |
CN1202572C (en) | Radiating method and its structure | |
CN212850143U (en) | Energy-saving motor | |
CN201444277U (en) | Chassis cooling device for heterogeneous processor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |