CN2479259Y - Cooling device with passive fan - Google Patents
Cooling device with passive fan Download PDFInfo
- Publication number
- CN2479259Y CN2479259Y CN 01200294 CN01200294U CN2479259Y CN 2479259 Y CN2479259 Y CN 2479259Y CN 01200294 CN01200294 CN 01200294 CN 01200294 U CN01200294 U CN 01200294U CN 2479259 Y CN2479259 Y CN 2479259Y
- Authority
- CN
- China
- Prior art keywords
- passive fan
- sink
- radiating seat
- flabellum
- passive
- 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
- 238000001816 cooling Methods 0.000 title abstract description 20
- 241000883990 Flabellum Species 0.000 claims description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 17
- 230000017525 heat dissipation Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 230000005855 radiation Effects 0.000 description 8
- 230000009183 running Effects 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
Images
Abstract
Disclosed is a heat abstractor with passive fans. The heat abstractor is characterized in that a bearing shaft which is offered to be in pivot connection with the passive fans and to support rotating is extended from a heat abstractor base, and the passive fans can produce side air supply. The passive fans can produce rotating which is actuated by air current, and the air current is exported by a power source which is provided in the outside portion of the heat abstractor base, thereby the heat of the heating element can be conducted via the part of radiating fins immediately, and the radiating fins are besieged by the passive fan, the air flow produced by the operation of the passive fan ventilates laterally and quickly towards the side surface of the radiating base, and the periphery of the radiating fins are surrounded by the passive fans. The utility model can be operated under the condition of with no arrangement of power source. Further, the utility model does not produce high temperature and high heat, thereby achieving the improvement of the efficiency of heat-sink cooling and the like.
Description
The utility model relates to a kind of sink, particularly relates to the sink of a kind of energy raising to the passive fan of tool of the cooling heat dissipation efficient of heater element.
General sink, its structure as shown in Figure 1, consist predominantly of a Heat sink 11 that fits on the heater element 14 (shown in imaginary line among the figure), an and radiation fan 12 that is arranged on this Heat sink 11, be formed with most radiating fin 111 on this Heat sink 11, and this radiation fan 12 can be locked on these radiating fin 111 by screw 121, so, by Heat sink 11 heat transfer that heater element 14 surfaces produce is distributed on these radiating fin 111, simultaneously, utilize radiation fan 12 starts to impel the air flows of 111 of these radiating fin, reach the effect that makes heater element 14 heat radiation coolings.
But, general sink 1, because its radiation fan 12 energization excitation is simultaneously just rotated, cause this radiation fan 12 when running, it itself also is a heating source, therefore the air-flow that goes out of 12 dispatch of this radiation fan is just being contained the high heat of high temperature that itself produced simultaneously, and makes its heat radiation cooling effect that will reach have a greatly reduced quality, and can't effectively improve radiating efficiency.
The purpose of this utility model is to provide a kind of sink that can effectively improve the passive fan of tool of the cooling heat dissipation efficient of heater element.
According to above-mentioned purpose, the utility model provides the sink of the passive fan of a kind of tool, and it includes a radiating seat, and this radiating seat surface has most radiating fin, it is characterized in that:
Be extended with a supporting axis on this radiating seat;
Articulate a rotating passive fan on this supporting axis.
The sink of the passive fan of described tool is characterized in that:
The radiating fin on this radiating seat surface can be arranged or skewed arrangement or the arrangement of water conservancy diversion arcuation radially.
The sink of the passive fan of described tool is characterized in that:
This passive fan can have axial flow flabellum or flat flabellum or multiple-airfoil type flabellum or centrifugal flabellum.
The sink of the passive fan of described tool is characterized in that:
Supporting axis on this radiating seat can be eccentric and be provided with.
The utility model also provides the sink of the passive fan of a kind of tool, and it includes a radiating seat, and this radiating seat surface has most radiating fin, it is characterized in that:
Be extended with a supporting axis on this radiating seat;
Articulate one on this supporting axis by the air-flow of power source output rotary driving and produce the passive fan of side feeding from top to bottom;
This radiating seat top is formed with a suction port;
This power source has a fan, and is linked to air inlet duct between this fan and aforementioned suction port.
The utility model also provides the sink of the passive fan of a kind of tool, and it includes a radiating seat, and this radiating seat surface has most radiating fin, it is characterized in that:
Be extended with a supporting axis on this radiating seat;
Articulate one on this supporting axis by the air-flow of power source output rotary driving and produce the passive fan of side feeding from top to bottom;
This power source has a pedestal, be arranged at stator coil and on the pedestal is incorporated into flabellum on the pedestal, and this pedestal is incorporated into the radiating seat top, and have one on this pedestal and support the rotatingshaft that flabellum rotates, and be provided with the wind inlet that sucks air-flow and the exhaust outlet of output gas flow in this pedestal, on this flabellum, link the magnet ring that has with the stator coil induction in addition.The sink of the passive fan of described tool is characterized in that:
This magnet ring can be linked to the outer rim of flabellum, and stator coil then is laid on the pedestal of this flabellum outer rim with even number.
The sink of the passive fan of described tool is characterized in that:
This flabellum outer rim can link the impeller that a generation side feeding is arranged in addition, and this impeller extends outside the pedestal and the radiating seat inside that arrives.
This impeller can have multiple-airfoil type flabellum or flat flabellum or centrifugal flabellum.
The utility model also provides the sink of the passive fan of a kind of tool, mainly be on radiating seat, to extend a supporting axis to articulate and support its rotation for a passive fan that can produce side feeding, this passive fan can produce rotation by the air stream drives that the power source that is arranged at the radiating seat outside is exported, make when the heater element that is combined in the radiating seat below produces heat, because heat all concentrates on the central position of radiating seat bottom mostly, therefore can be extended the part fin conductive that is arranged on passive fan inner edge and is centered on by this passive fan immediately, and the air-flow that the passive fan running that is centered around these radiating fin peripheries is fast produced carries out the side direction air draft toward the radiating seat side, except making whole cooling heat dissipation efficient raising, this passive fan also can rotate under the situation that itself need not possess power source, itself promptly can not produce the high heat of high temperature, and then can reach the effects such as cooling heat dissipation efficient of raising heater element.
Be elaborated below by Cui embodiment and accompanying drawing sink to the passive fan of the utility model tool, in the accompanying drawing:
Fig. 1 is the schematic side view of general sink.
Fig. 2 is the configuration schematic diagram of the utility model first than Cui embodiment.
Fig. 3 is the perspective exploded view of the utility model first than Cui embodiment's radiating seat.
Fig. 4 is the combination cross-sectional schematic of the utility model second than Cui embodiment.
Fig. 5 is the perspective exploded view of the utility model the 3rd than Cui embodiment's radiating seat.
Fig. 6 is the combination cross-sectional schematic of the utility model the 3rd than Cui embodiment.
Fig. 7 is the perspective exploded view of the utility model the 4th than Cui embodiment's radiating seat.
Fig. 8 is the utility model the 4th than looking schematic representation on Cui embodiment's the radiating seat.
Fig. 9 is the combination cross-sectional schematic of the utility model the 4th than Cui embodiment.
Figure 10 is the combination cross-sectional schematic of the utility model the 5th than Cui embodiment.
Figure 11 is the schematic perspective view of the utility model the 5th than Cui embodiment's flabellum.
As shown in Figures 2 and 3, the sink 2 that present embodiment is shown, it consists predominantly of a radiating seat 20, these radiating seat 20 surfaces have most radiating fin 21 (radiating fin 21 of present embodiment is arranged radially), particularly, be extended with a supporting axis 22 on this radiating seat 20, this supporting axis 22 articulates and supports its rotation for a passive fan 23, and this passive fan 23 is by the air-flow of a power source 3 output rotary driving and produce side feeding from top to bottom, these radiating seat 20 tops are formed with a suction port 24, and this power source 3 has a fan 30, an and air inlet duct 32 that is linked to 24 of this fan 30 and aforementioned suction ports, moreover this passive fan 23 is that a multiple-airfoil type flabellum (also can be flat flabellum, axial flow flabellum or centrifugal flabellum).
As Fig. 2, shown in 3, the power source 3 of present embodiment is when its fan 30 entrys into service, cool ambient air can be sucked in the air inlet duct 32, and directly down be blown into inner passive fan 23 via the suction port 24 of radiating seat 20, make passive fan 23 be able on supporting axis 22, rotate and the air draft of generation side direction, be combined in heat that the heater element 4 of radiating seat 20 belows produced this moment and all concentrate on the central position of radiating seat 20 bottoms mostly, therefore can take advantage of a situation to extend on this radiating seat 20 and be arranged on passive fan 23 inner edges and heat is conducted to radiating seat 20 inside by the part radiating fin 21 that this passive fan 23 centers on, and the air-flow band that is produced by these passive fan 23 runnings simultaneously from, and produce side direction air draft dispatch to extraneous toward radiating seat 20 sides, except making whole cooling heat dissipation efficient raising, more because this passive fan 23 itself turns round required power from the power source 3 that is arranged at outside the radiating seat 20, therefore this passive fan 23 when rotated, itself can't produce any hot gas, so the cooling blast that is produced during these passive fan 23 rotations just can make the cooling heat dissipation effect Cui more of the heater element 4 of radiating seat 20 bottoms institute combination, and effectively reaches the effects such as cooling heat dissipation efficient of raising to heater element 4.
As shown in Figure 4, the sink 5 that present embodiment is shown, include too and continue to use first a radiating seat 20 and the power source 50 than Cui embodiment, as for not existing together of present embodiment is to be, this power source 50 has a pedestal 51, be arranged at the stator coil 52 on the pedestal 51, an and flabellum 53 that is incorporated on the pedestal 51, this pedestal 51 is incorporated into radiating seat 20 tops, and have one on this pedestal 51 and support the rotatingshaft 54 that flabellum 53 rotates, and on this pedestal 50, be formed with the wind inlet 55 that sucks air-flow and the exhaust outlet 56 of output gas flow in addition, on this flabellum 53, link in addition have can with the magnet ring 57 of stator coil 52 inductions, moreover, this magnet ring 57 is linked to the outer rim of flabellum 53, and stator coil 52 then is laid on the pedestal 51 of these flabellum 53 outer rims with even number.
As shown in Figure 4, when the power source 50 of present embodiment turns round, same stator coil 52 on its pedestal 51 is energized excitatory earlier, magnet ring 57 with induction flabellum 53 outer rims rotates, produce rotation to drive this flabellum 53, at this moment, cool ambient air is promptly by wind inlet 55 air intakes of pedestal 51, again through exhaust outlet 56 air drafts of pedestal 51 bottoms and enter radiating seat 20 inside by the suction port 24 at radiating seat 20 tops, cause the passive fan 23 of radiating seat 20 inside to produce rotation and be able on supporting axis 22, rotate and produce the side direction air draft, and when making heater element (not shown) below radiating seat 20 produce heat equally, can be extended the part radiating fin 21 that is arranged on passive fan 23 inner edges and is centered on by this passive fan 23 immediately conducts, and the air-flow that produced of passive fan 23 running that is centered around these radiating fin 21 peripheries fast toward radiating seat 20 lateral strips from, so present embodiment is except making whole cooling heat dissipation efficient raising, can itself turn round required power from the power source 50 that is arranged at radiating seat 20 outsides by passive fan 23 too, when being rotated, this passive fan 23 itself can't produce any hot gas, so can make the cooling heat dissipation effect Cui more of the heater element of radiating seat 20 bottoms institute combination, and effectively reach the effects such as cooling heat dissipation efficient of raising to heater element.
As Fig. 5 and shown in Figure 6, the sink 6 that present embodiment is shown, include the radiating seat 60 that a surface has most radiating fin 61 too, and continue to use second the power source 50 than Cui embodiment, as for the difference of present embodiment be in, radiating fin 61 on this radiating seat 60 is the skewed arrangement of tool guide functions, and the passive fan 63 that is articulated on the supporting axis 62 is that a flat flabellum (also can be the multiple-airfoil type flabellum, axial flow flabellum or centrifugal flabellum), and can reach the effect of side feeding equally, and can reach and aforementioned first, two than the identical raising of Cui embodiment to effects such as heater element cooling heat dissipation efficient.
As Fig. 7, Fig. 8 and shown in Figure 9, the sink 7 that present embodiment is shown, include a surface too and have most radiating fin 71 radiating seat 70 of (radiating fin 71 of present embodiment is the water conservancy diversion arcuation and arranges), and continue to use second the power source 50 than Cui embodiment, as for the difference of present embodiment be in, supporting axis 72 on this radiating seat 70 is eccentric and is provided with, also be eccentric operating when causing passive fan 73 on supporting axis 72, to rotate, make the flow field 75 (being air flue) of radiating seat 70 inside then have the turbosupercharging effect, and can increase the air output of passive fan 73 side direction air drafts, in addition, the passive fan 73 that is articulated on the supporting axis 72 is that an axial flow flabellum (also can be the multiple-airfoil type flabellum, flat flabellum or centrifugal flabellum), and can reach the effect of side feeding equally, and can reach and aforementioned first, two, three than the identical raising of Cui embodiment to effects such as heater element cooling heat dissipation efficient.
As Figure 10, shown in 11, the sink 8 that present embodiment is shown, include the radiating seat 80 that a surface has most radiating fin 81 too, and continue to use second the power source 50 than Cui embodiment, as for the difference of present embodiment be in, flabellum 53 outer rims of this power source 50 link in addition has one can produce the impeller 58 of side feeding (present embodiment is to adopt the multiple-airfoil type flabellum, also can be flat flabellum or centrifugal fan), this impeller 58 extends outside the pedestal 51 and radiating seat 80 inside that arrive, therefore when the flabellum 53 of this power source 50 rotates, passive fan 83 rotations on can driving radiating seat 80 are with the generation side feeding, more can drive impeller 58 simultaneously rotates in radiating seat 80 and produces side feeding equally, and effectively increase the air output of side feeding, and can reach and aforementioned first, two, three, four than the identical raising of Cui embodiment to effects such as heater element cooling heat dissipation efficient.
By above-mentioned explanation, and the utility model is done one relatively with general, when learning that the utility model articulates and support its rotation by the supporting axis that is extended for a passive fan that can produce side feeding on radiating seat, so that this passive fan can produce rotation by the air stream drives that the power source that is arranged at the radiating seat outside is exported, make when the heater element that is combined in the radiating seat below produces heat, owing to all concentrate on the central position of radiating seat bottom mostly, therefore can be extended the part fin conductive that is arranged on passive fan inner edge and is centered on by this passive fan immediately, and the air-flow that the passive fan running that is centered around these radiating fin peripheries is fast produced carries out the side direction air draft toward the radiating seat side, except making whole cooling heat dissipation efficient raising, this passive fan also can rotate under the situation that itself need not possess power source, itself promptly can not produce the high heat of high temperature, and can effectively reach the effects such as cooling heat dissipation efficient of raising heater element.
Claims (16)
1. the sink of the passive fan of tool, it includes a radiating seat, and this radiating seat surface has most radiating fin, it is characterized in that:
Be extended with a supporting axis on this radiating seat;
Articulate a rotating passive fan on this supporting axis.
2. the sink of the passive fan of tool according to claim 1 is characterized in that:
The radiating fin on this radiating seat surface is arranged radially.
3. the sink of the passive fan of tool according to claim 1 is characterized in that:
The radiating fin on this radiating seat surface is skewed arrangement.
4. the sink of the passive fan of tool according to claim 1 is characterized in that:
The radiating fin on this radiating seat surface is the water conservancy diversion arcuation and arranges.
5. the sink of the passive fan of tool according to claim 1 is characterized in that:
This passive fan has the axial flow flabellum.
6. the sink of the passive fan of tool according to claim 1 is characterized in that:
This passive fan has flat flabellum.
7. the sink of the passive fan of tool according to claim 1 is characterized in that:
This passive fan has the multiple-airfoil type flabellum.
8. the sink of the passive fan of tool according to claim 1 is characterized in that:
This passive fan has centrifugal flabellum.
9. the sink of the passive fan of tool according to claim 1 is characterized in that:
Supporting axis on this radiating seat is eccentric and is provided with.
10. the sink of the passive fan of tool, it includes a radiating seat, and this radiating seat surface has most radiating fin, it is characterized in that:
Be extended with a supporting axis on this radiating seat;
Articulate one on this supporting axis by the air-flow of power source output rotary driving and produce the passive fan of side feeding from top to bottom;
This radiating seat top is formed with a suction port;
This power source has a fan, and is linked to air inlet duct between this fan and aforementioned suction port.
11. the sink of the passive fan of tool, it includes a radiating seat, and this radiating seat surface has most radiating fin, it is characterized in that:
Be extended with a supporting axis on this radiating seat;
Articulate one on this supporting axis by the air-flow of power source output rotary driving and produce the passive fan of side feeding from top to bottom;
This power source has a pedestal, be arranged at stator coil and on the pedestal is incorporated into flabellum on the pedestal, and this pedestal is incorporated into the radiating seat top, and have one on this pedestal and support the rotatingshaft that flabellum rotates, and be provided with the wind inlet that sucks air-flow and the exhaust outlet of output gas flow in this pedestal, on this flabellum, link the magnet ring that has with the stator coil induction in addition.
12. the sink as the passive fan of tool as described in the claim 11 is characterized in that:
This magnet ring is linked to the outer rim of flabellum, and stator coil then is laid on the pedestal of this flabellum outer rim with even number.
13. the sink as the passive fan of tool as described in the claim 11 is characterized in that:
This flabellum outer rim links the impeller that a generation side feeding is arranged in addition, and this impeller extends outside the pedestal and the radiating seat inside that arrives.
14. as the sink of the passive fan of tool as described in the claim 13, it is characterized in that: this impeller has the multiple-airfoil type flabellum.
15. as the sink of the passive fan of tool as described in the claim 13, it is characterized in that: this impeller has flat flabellum.
16. as the sink of the passive fan of tool as described in the claim 13, it is characterized in that: this impeller has centrifugal flabellum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01200294 CN2479259Y (en) | 2001-02-02 | 2001-02-02 | Cooling device with passive fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01200294 CN2479259Y (en) | 2001-02-02 | 2001-02-02 | Cooling device with passive fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2479259Y true CN2479259Y (en) | 2002-02-27 |
Family
ID=33622603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01200294 Expired - Fee Related CN2479259Y (en) | 2001-02-02 | 2001-02-02 | Cooling device with passive fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2479259Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386986A (en) * | 2010-03-10 | 2016-03-09 | 台达电子工业股份有限公司 | Draught fan |
| WO2016045120A1 (en) * | 2014-09-28 | 2016-03-31 | Intel Corporation | Passive radiator cooling for electronic devices |
| CN107339260A (en) * | 2017-04-11 | 2017-11-10 | 宁波方太厨具有限公司 | Boosting stream centrifugal blower |
-
2001
- 2001-02-02 CN CN 01200294 patent/CN2479259Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386986A (en) * | 2010-03-10 | 2016-03-09 | 台达电子工业股份有限公司 | Draught fan |
| WO2016045120A1 (en) * | 2014-09-28 | 2016-03-31 | Intel Corporation | Passive radiator cooling for electronic devices |
| US10317960B2 (en) | 2014-09-28 | 2019-06-11 | Intel Corporation | Passive radiator cooling for electronic devices |
| CN107339260A (en) * | 2017-04-11 | 2017-11-10 | 宁波方太厨具有限公司 | Boosting stream centrifugal blower |
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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 |