CN2658945Y - Twin fan heat sink - Google Patents
Twin fan heat sink Download PDFInfo
- Publication number
- CN2658945Y CN2658945Y CNU032080859U CN03208085U CN2658945Y CN 2658945 Y CN2658945 Y CN 2658945Y CN U032080859 U CNU032080859 U CN U032080859U CN 03208085 U CN03208085 U CN 03208085U CN 2658945 Y CN2658945 Y CN 2658945Y
- Authority
- CN
- China
- Prior art keywords
- fan
- fan shaft
- middle shell
- radiator
- shaft
- 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
- 241000883990 Flabellum Species 0.000 claims description 16
- 239000011469 building brick Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A double-fan radiator comprises an upper case, a middle case, a lower case, a first fan and a second fan. The first fan comprises a first fan blade group and a first fan shaft, and the second fan comprises a second fan blade group and a second fan shaft fixedly connected with the first fan shaft. Pluralities of support arms, which are fixedly connected with the inner surface of the middle case, are equally spaced on the outer edge of the second fan shaft. This utility model is serially constructed by the upper and lower fans with reversed rotating directions, resulting in a strong air current by increasing the air rate and pressure, so as to quickly radiate the heat produced by electronic components, and maintain normal use of the components.
Description
[technical field]
The utility model relates to and a kind ofly utilizes two fans that are serially connected mutually to strengthen its double fan radiator that distributes to heat energy that electronic building brick produces.
[background technology]
General employed radiator fan normally has a plurality of electric fans that can rotate freely in the framework of a hollow; By rotating the air-flow that is produced, can the heat energy that electronic building brick produced be distributed flabellum.In order to strengthen for the distributing of heat energy, each tame manufacturer all racks one's brains designs more power saving and more efficient mechanism on the structure of radiator.These designs have comprised produced channel on radiating fins, to make things convenient for the circulation fast of air-flow, heat energy can be shed by this, or the structure of change fan, make the air-flow of generation have certain directivity, so can be because of the air-out direction of appointment, and can more efficiently heat energy be carried outside.
Yet, no matter these structures are its structures of improvement how, reach better effect with attempt, the attempt of these improvement all just with regard to existing structure with regard to the improvement on the performance, the effect that it produced is not sufficient to obtain gratifying result basically.In addition, these improvement more or less all can change the structural of existing other assembly, query so on practicality, also make us producing.
[utility model content]
Commonly use the existing shortcoming of radiator for overcoming, promote the effect of heat radiation, the purpose of this utility model provides a kind of double fan radiator, air quantity, blast is strengthened, so that more effectively the heat energy that electronic building brick produced is distributed.
The utility model provides a kind of double fan radiator, and it is characterized in that: it includes:
One upper shell comprises several equidistant fixing feet, then respectively is provided with one first latch below each fixing feet;
One middle shell is a hollow and annular body, and the surface is provided with first jack corresponding to first latch above this middle shell, and this first latch inserts first jack, and is provided with a plurality of second latches at this middle shell surface below place;
The lower house of one hollow, ring-type, its lateral surface place is provided with a plurality of combination block, and each combination block is provided with location hole, then is provided with combination bore at the periphery place of engaging of each combination block and lower house, and this second latch inserts this combination bore;
First fan is to comprise one first flabellum group and one first fan shaft;
One second fan, it comprises second fan shaft of the one second flabellum group and the one and first fan shaft Joint, second fan and the first fan switched in opposite equidistantly are provided with a plurality of support arms on the outer edge surface of second fan shaft, this support arm and middle shell internal face Joint.
Described double fan radiator is characterized in that: this first flabellum group and this first fan shaft are with respect to this second flabellum group and this second fan shaft and set up.
Described double fan radiator is characterized in that: be formed with a depression at this first jack place, the outer surface of this fixing feet and the outer surface of middle shell form a level and smooth surface.
Double fan radiator of the present utility model, it is connected in series two fans, and by the rotation of two groups of flabellums, the blast that it produced has the effect of addition, so can more effectively will be distributed by the heat energy that electronic building brick produced.
In the double fan radiator of the present utility model, an one fan has bigger diameter, another fan then has less diameter, and, have larger-diameter fan and be arranged on the fan that has than minor diameter, so, by then can being enclosed in by in the air-flow than big fan, and form the form of class jet-stream wind, so than the air-flow that small fan produced, then because its blast is the effect of addition, so it also can more effectively be distributed the heat energy that electronic building brick produced.
Double fan radiator of the present utility model is the housing that forms a tubular in the assembly outside of double fan serial connection, then can give more concentrated mode and blows to object be connected in series the formed air-flow of assembly by double fan by this.
[description of drawings]
Fig. 1: be the three-dimensional exploded view of the utility model double fan radiator;
Fig. 2: the plan cross-section schematic diagram when making up for the utility model double fan radiator;
Fig. 3 commonly uses the comparison diagram that two different size fans show on blast and air quantity; And
Fig. 4 for the double fan radiator of the utility model at the comparison diagram that on blast and air quantity, shows with single fan.
[embodiment]
See also shown in Figure 1ly, wherein, can see the double fan radiator of the utility model and be formed by a upper shell (1), a middle shell (2), a lower house (3), one first fan (4) and one second fan (5).
Wherein, this upper shell (1) is formed by several several the fixing feet (11) that equidistantly form, being fixed on the appropriate object for this upper shell (1); Simultaneously then respectively be formed with one first latch (112) in the below of fixing feet (11).
Middle shell (2) also is a hollow and annular body, and the surface is first jack (21) that is formed with corresponding to first latch (112) above it, and then is formed with a plurality of second latches (22) at the surface below place.
In the medial surface place of the lower house (3) of hollow, ring-type is to be formed with a plurality of the combination bore (32) corresponding to second latch (22).
This first fan (4) is to have one first flabellum group (41) and one first fan shaft (42).
This second fan (5) is to have one second flabellum group (51) and one second fan shaft (52).A plurality of support arms (53) on the outer edge surface of second fan shaft (52), then have been formed equidistantly; It should be noted that in this first fan (4) this first flabellum group (41) and this first fan shaft (42) are with respect to this second flabellum group (51) and this second fan shaft (52) person; That is for combined and instant, the direction of this first flabellum group (41) and this second flabellum group (51) is being fully opposite with respect to its pairing first and second fan shaft (42,52).
See also shown in Figure 2ly, wherein,, first fan shaft (42) and second fan shaft (52) are fixed together when the double fan radiator of the utility model during in combination; But or this first fan shaft (42) and this second fan axle (52) are integrally formed persons; After this, then first fan (4) and second fan (5) then form same axis, biparting blade fan.
This then is first jack (21) that first latch (112) of upper shell (1) is plugged in its correspondence thereafter, upper shell (1) and middle shell (2) are combined and formed smooth plane in appearance; Afterwards, then be with second latch (22) be plugged in its in the combination bore (32) of corresponding lower house (3), so that with the combination of upper shell (1) and middle shell (2) firmly and lower house (3) combine, wherein, it should be noted that, outer surface at middle shell (2) is to be provided with a plurality of the depressions (23) corresponding to fixing feet (11), and, this first jack (21) then is arranged on the edge of depression (23), so, then locate fixing feet (11) being plugged in its pairing first jack (21), the outer surface that then can see each fixing feet (11) is and the outer surface of middle shell (2) and become a level and smooth surface.Thereafter, then be to utilize the support arm (53) that is arranged on second fan (5) surface, inside formation next and middle shell (2) affixed, so, then the double fan group that forms can be fixed in the inside of housing assembly.This thereafter, the user then can utilize the location hole (311) that is located on the outside combination block (31) of lower house (3) to assemble whole assembly in an appropriate object, on all central authorities in this way reason device, comes the effect to central processing unit performance heat radiation.
Please referring to shown in Figure 3, be a fan group A with minor diameter, and large diameter fan group B, and by its blast to the wind speed comparison diagram, the wind pressure value of fan group B only can arrive a fixed numeric values degree, relative, fan group A is because its volume is less, so its wind pressure value that can reach then is height than the wind pressure value that fan group B can reach.In the same manner, at identical wind pressure value relatively down, after arriving a certain numerical value, the air quantity of fan group A can produce tangible reduction, and the air quantity of fan group B does not then have tangible reduction.
Please referring to shown in Figure 4, with two fan group A, after B makes up in the mode of serial connection, be at blast or be in the performance at air quantity no matter then can find it, all several times that indivedual fans can produce blast and air quantity within a critical value; The structure that two fans are serially connected of hence one can see that the utility model positively can increase because of the air quantity of operating point and strengthen its emission capabilities to heat energy.
Claims (3)
1. double fan radiator, it is characterized in that: it includes:
One upper shell comprises several equidistant fixing feet, then respectively is provided with one first latch below each fixing feet;
One middle shell is a hollow and annular body, and the surface is provided with first jack corresponding to first latch above this middle shell, and this first latch inserts first jack, and is provided with a plurality of second latches at this middle shell surface below place;
The lower house of one hollow, ring-type, its lateral surface place is provided with a plurality of combination block, and each combination block is provided with location hole, then is provided with combination bore at the periphery place of engaging of each combination block and lower house, and this second latch inserts this combination bore;
First fan is to comprise one first flabellum group and one first fan shaft;
One second fan, it comprises second fan shaft of the one second flabellum group and the one and first fan shaft Joint, second fan and the first fan switched in opposite equidistantly are provided with a plurality of support arms on the outer edge surface of second fan shaft, this support arm and middle shell internal face Joint.
2. double fan radiator as claimed in claim 1 is characterized in that: this first flabellum group and this first fan shaft are with respect to this second flabellum group and this second fan shaft and set up.
3. double fan radiator as claimed in claim 1 or 2 is characterized in that: be formed with a depression at this first jack place, the outer surface of this fixing feet and the outer surface of middle shell form a level and smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032080859U CN2658945Y (en) | 2003-09-28 | 2003-09-28 | Twin fan heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032080859U CN2658945Y (en) | 2003-09-28 | 2003-09-28 | Twin fan heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2658945Y true CN2658945Y (en) | 2004-11-24 |
Family
ID=34324722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032080859U Expired - Fee Related CN2658945Y (en) | 2003-09-28 | 2003-09-28 | Twin fan heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2658945Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373915A (en) * | 2013-08-13 | 2015-02-25 | 展晶科技(深圳)有限公司 | Light-emitting diode lamp |
-
2003
- 2003-09-28 CN CNU032080859U patent/CN2658945Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373915A (en) * | 2013-08-13 | 2015-02-25 | 展晶科技(深圳)有限公司 | Light-emitting diode lamp |
| CN104373915B (en) * | 2013-08-13 | 2017-12-05 | 展晶科技(深圳)有限公司 | LED lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20130008635A (en) | Fan blades and modifications | |
| WO2013062587A1 (en) | Fan impeller with multiple blades shaped and disposed to provide high air-power efficiency | |
| CN2658945Y (en) | Twin fan heat sink | |
| CN101106300B (en) | Heat dispersion fan | |
| WO2022105358A1 (en) | Electronic speed regulator having built-in fan | |
| CN206988138U (en) | Automatic refrigeration fan | |
| CN200978834Y (en) | Fan spacer | |
| CN213634367U (en) | MySQL server convenient to heat dissipation | |
| CN219802899U (en) | Ventilation device and electronic equipment | |
| CN1746514A (en) | Radiating fan and its frame structure | |
| CN2672329Y (en) | Radiator | |
| CN2504683Y (en) | Radiator | |
| CN2680909Y (en) | Shell base of heat radiation fan | |
| CN2405054Y (en) | Vane of electric fan | |
| CN2787893Y (en) | Blade fixing structure for minisize ceiling fan | |
| CN202441648U (en) | Mute fan blade for ceiling fan | |
| CN2842544Y (en) | Electronic apparatus with rediating module | |
| CN2735540Y (en) | Central wind concentration type wind guidance cover for radiating fan | |
| CN2770213Y (en) | Motor radiating structure improvement | |
| CN201250797Y (en) | Improved fan | |
| CN213746201U (en) | LED fluorescent tube with built-in heat dissipation mechanism | |
| CN2588099Y (en) | Liquid cooling fan with liquid and air cooling effect | |
| CN202326464U (en) | Blade-free fan structure | |
| CN214998439U (en) | Novel flabellum angle strenghthened type flabellum package assembly | |
| CN215061936U (en) | Art type is dustproof heat abstractor for street lamp |
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 |