CN102375505A

CN102375505A - Radiating device

Info

Publication number: CN102375505A
Application number: CN2010102495890A
Authority: CN
Inventors: 黄顺治; 毛黛娟
Original assignee: Giga Byte Technology Co Ltd
Current assignee: Giga Byte Technology Co Ltd
Priority date: 2010-08-10
Filing date: 2010-08-10
Publication date: 2012-03-14
Anticipated expiration: 2030-08-10
Also published as: CN102375505B

Abstract

The invention discloses a radiating device. The radiating device comprises a radiator, two fans and a first wind guide plate, wherein a contact plane at the bottom of the radiator is used for abutting against a heat source, and the radiator is provided with a plurality of wind current channels, and each air current channel is divided into front, middle and back sections; the wind current generated by the two fans are respectively blown to the front and back sections of the plurality of wind current cannels; and the first wind guide plate is obliquely inserted into the radiator and located in the front sections of the plurality of wind current cannels so that the wind current generated by one of the fans can flow through the middle sections of the plurality of wind current channels, thus the problem that the middle part of the radiator of the down-shot type double-fan radiating device in the prior art has poor radiating efficiency is solved.

Description

Heat abstractor

[technical field]

The present invention is relevant with the heat abstractor of integrated circuit or circuit board, relates in particular to the double-fan radiation device that can promote radiating efficiency.

[background technology]

Along with development in science and technology is maked rapid progress, the widely-used dynamical integrated circuit of computer or its display card, for example: central processing unit (Central Processing Unit; CPU) or image processor (Graphic Processing Unit; But this integrated circuit promptly can produce a large amount of heat energy when carrying out various computing GPU) etc.; Therefore, need auxiliary heat abstractor to come this integrated circuit is dispelled the heat.

The heat abstractor of this type mostly adopts double fan design at present, such as TaiWan, China 587769,200644780,545104,577582,200410626,592347, and M245506 patent.Wherein, this 592347 heat abstractor of being disclosed with the M245506 patent is also mentioned and deflector is set on fan housing.

Fig. 5 shows a kind of basic framework with heat abstractor of bottom blowing type double fan; Though this heat abstractor also is to adopt the double fan design; Only its framework obviously is different from the described heat abstractor of leading portion, often is used to the GPU on the computer display card 9 is dispelled the heat at present.

This heat abstractor with bottom blowing type double fan basically by a fan housing 90, two

fans

91, and 92 in a heating radiator form.When this two fan 91 turned round simultaneously, the wind that this two fan 91 is produced can blow to this heating radiator 92 respectively haply shown in arrow among the figure, and blows out toward the both sides of this heating radiator 92.The problem of this heat abstractor is; Blow in the middle of this heating radiator 92 wind partly from a fan 91 wherein; Roughly be equivalent to blow to this heating radiator 92 middle wind partly, so that the middle of this heating radiator 92 partly only has a spot of wind to pass through, even there is not wind to pass through from another fan 91.Consequently make the middle of this heating radiator 92 partly can't effectively bring into play heat sinking function, influence integral heat sink efficient.

[summary of the invention]

The present invention provides a kind of heat abstractor, and it comprises a heating radiator, two fans and one first wind deflector.One contact plane of the bottom of this heating radiator thermal source that is used to recline, and this heating radiator has a plurality of airflow channels, before, during and after each airflow channel has three sections.Distinguished and admirable forward and backward two sections of blowing to a plurality of airflow channels respectively that this two fan produces.This first wind deflector inserts this heating radiator obliquely; And the position is in the leading portion of a plurality of airflow channels; So that the distinguished and admirable stage casing that can flow through a plurality of airflow channels that one of them fan produces, with the heat abstractor that solves bottom blowing type double fan in the prior art for the not good problem of radiating efficiency partly in the middle of the heating radiator.

Preferably, this first wind deflector can be solid slab or the plate with many mesh.

Preferably, this heat abstractor more comprises one second wind deflector, inserts this heating radiator obliquely, and the position is in the back segment of a plurality of airflow channels, and the inclination of this second wind deflector trend is same as this first wind deflector.

Preferably, this second wind deflector can be solid slab or the plate with many mesh.

In sum, the present invention provides a kind of heat abstractor, its can be effectively with the distinguished and admirable stage casing that directs into a plurality of airflow channels of heat radiation, and then promote the radiating efficiency of this heat abstractor and reduce invalid heat dissipation region.

More summary of the invention and effect thereof are with the explanation that is exposed in subsequently.

[description of drawings]

Fig. 1 illustrates the synoptic diagram of the heat abstractor of one of the present invention preferred embodiment.

Fig. 2 illustrates the side cutaway view of this heat abstractor of first figure.

Fig. 3,4 illustrates the synoptic diagram of heat abstractor of two other preferred embodiment of the present invention.

Fig. 5 illustrates the synoptic diagram of the heat abstractor of known technology.

[embodiment]

Fig. 1,2 shows the preferred example of one of the present invention heat abstractor 1.As shown in Figure 1, this heat abstractor 1 is in order to be installed on the circuit board 8, so that the thermal source 80 on this circuit board 8 is dispelled the heat.Wherein, this circuit board 8 can be a display card, a motherboard or other circuit substrates, and this thermal source 80 is often referred to a GPU, the CPU on this motherboard or other heater elements on this display card.This heat abstractor 1 comprises a heating radiator 2, two fans 3,4, one first wind deflector 5, one second wind deflector 6 and a fan housing 7.

This heating radiator 2 comprises at interval side by side fin 21 of multi-disc, and per two fins 21 define an airflow channel 22, before, during and after each airflow channel 22 has three section 220,221,222.

This two fan 3,4 at interval and come the over top of this heating radiator 2, and the distinguished and admirable preferable system of its generation all blows in the airflow channel 22 of this heating radiator 2.This two fan 3,4 is preferably and is installed on this fan housing 7, and this fan housing 7 is then in order to covering this heating radiator 2, but in fact, the mode that this two fan 3,4 also can be hung with support, the over top that this two fan 3,4 is hung at this heating radiator 2.

As shown in Figure 2; One contact plane 23 is arranged at the bottom of this heating radiator 2; This contact plane 23 supplies to abut on the heat-conducting block 24, and this heat-conducting block 24 is in order on the thermal source 80 that abuts in this circuit board 8, so that the heat that this thermal source 80 produces can be led to this heating radiator 2 rapidly.But in practical application, the contact plane 23 of this heating radiator 2 also can directly abut on this thermal source 80.

Please in the lump with reference to Fig. 1,2; This first wind deflector 5 and this second wind deflector 6 insert this heating radiator 2 respectively obliquely; And the position is in forward and backward two section 220,222 of this airflow channel 22 respectively; These first,

second wind deflector

5,6 relative these surface of contact 23 tilt, and the both is identical inclination trend.

When this two fans, 3,4 quilts startup simultaneously, distinguished and admirable (shown in the arrow among Fig. 2) that this two fan 3,4 produces directly blows to forward and backward two section 220,222 of this airflow channel 22.Wherein, under the guide function of this first wind deflector 5, the distinguished and admirable major part that this fan 3 blows to this airflow channel 22 can blow to the stage casing 221 of this airflow channel 22.Under the guide function of this second wind deflector 6, the distinguished and admirable major part that this fan 4 blows to this airflow channel 22 can blow to the back segment 222 of this airflow channel 22.So, just can improve the stage casing 221 that this heating radiator 2 is crossed in wind circulation, and improve the problem of the distinguished and admirable phase mutual interference that this two fan produces in the prior art.

It should be noted that this first,

second wind deflector

5,6 is preferably as shown in Figure 2 being obliquely installed, and both angles of inclination can be identical,, but still will keep identical inclination trend perhaps respectively with different angle configurations.

In addition, though this first wind deflector 5 approximately is positioned at the 1/2 place below of the blade of this fan 3, guiding the stage casing 221 that this heating radiator 2 is crossed in most of wind circulation, but still its position of viewable design demand adjustment, not as limit.

Please refer again to shown in Figure 1ly, in this embodiment, this first wind deflector 5 has a solid slab, and this second wind deflector 6 is to have many mesh 60.As shown in Figure 2; This solid slab can be guided this most of distinguished and admirable stage casing 221 that blows to this airflow channel 22 that fan 3 produces; And can pass the mesh 60 of this second wind deflector 6 and blow to the back segment 222 of this airflow channel 22, and the distinguished and admirable back segment 222 that directs into airflow channel 22 that second wind deflector, 6 non-mesh parts can blow out this fan 4.

Because this first,

second wind deflector

5,6 is mainly in order to the distinguished and admirable stage casing 221 that guides to this airflow channel 22 swimmingly, to improve the distinguished and admirable problem that can't flow through the center section of heating radiator smoothly of this two fans generation.Therefore, as long as can make this two fan divide 3, the 4 distinguished and admirable stage casings 221 that can flow through this airflow channel 22 swimmingly that produce wherein, can reach the object of the invention.So, this first,

second wind deflector

5,6 can all be designed to the plate of solid slab or many mesh, maybe make this first wind deflector 5 into many mesh, and this second wind deflector 6 changes solid slab into, to realize the object of the invention.

Wherein, if this first,

second wind deflector

5,6 is when being the design of many mesh, total circulation of the mesh of this second wind deflector 6 is crossed in this wind circulation should be greater than total circulation of the mesh of this first wind deflector 5.Can understand in this; This first,

second wind deflector

5,6 also can be designed to the structure of arc or other shapes; And the size of mesh also can be adjusted arbitrarily with demands of applications with distribution, can be with the distinguished and admirable smooth and easy stage casing 221 that directs into a plurality of airflow channels 22 but need meet.

Preferably, each fin 21 of this heating radiator 2 has one first angle 25 and one second angle 26.A plurality of first, second angles 25,26 of a plurality of fins 21 are arranged respectively and are formed one first skewed slot 250 and one second skewed slot 260; This first, second skewed slot 250,260 is respectively in order to receive this first,

second wind deflector

5,6, with this first,

second wind deflector

5,6 of simple and easy replacing.

Fig. 3,4 illustrates two other embodiment of the present invention's heat abstractor 1.Especially, this heat abstractor 1 of these two embodiment all only has a slice wind deflector.As shown in Figure 3; This heat abstractor 1 only has one first wind deflector 5; The structure of this first wind deflector 5 is same as described above to repeat no more in this; This first wind deflector 5 can direct into most of distinguished and admirable (shown in the arrow) that this fan 3 produces the stage casing 221 of a plurality of airflow channels 22, the distinguished and admirable then leading portion 220 of a plurality of airflow channels 22 of outflow of nature of few part, the distinguished and admirable back segment 222 that then directly blows to a plurality of airflow channels 22 that this fan 4 produces.

As shown in Figure 4; This heat abstractor 1 only has one second wind deflector 6; The structure of this second wind deflector 6 is same as described above to repeat no more in this; These second wind-guiding swash plate, 6 abilities are with the back segment 222 of distinguished and admirable directly guiding (shown in arrow) a plurality of airflow channels 22 of these fan 4 generations, distinguished and admirable preceding, the stage casing 220,221 that can blow to a plurality of airflow channels 22 naturally that this fan 3 is produced.

Claims

1. a heat abstractor is characterized in that, comprising:

One heating radiator, its bottom has the contact plane thermal source that is used to recline, and comprises multi-disc side by side fin at interval, and per two fins define an airflow channel, before, during and after each airflow channel has three sections;

Two fans; At interval and come the over top of said heating radiator; Wherein a wafter is to the leading portion of said a plurality of airflow channels, and another wafter is to the back segment of said a plurality of airflow channels, and distinguished and admirable forward and backward two sections of blowing to said a plurality of airflow channels respectively of said two fans generation; And

One first wind deflector inserts said heating radiator obliquely, and the position in the leading portion of said a plurality of airflow channels and the sloping floor to a said wherein fan, the contact plane of the said relatively heating radiator of said first wind deflector tilts.

2. heat abstractor as claimed in claim 1 is characterized in that, said first wind deflector is a solid slab.

3. heat abstractor as claimed in claim 1 is characterized in that, said first wind deflector has a plurality of mesh.

4. like claim 2 or 3 described heat abstractors; It is characterized in that; More comprise one second wind deflector, insert said heating radiator obliquely, and the position in the back segment of said a plurality of airflow channels and the sloping floor to said another fan; The contact plane of the said relatively heating radiator of said second wind deflector tilts, and its trend that tilts is same as said first wind deflector.

5. heat abstractor as claimed in claim 4 is characterized in that, said second wind deflector is a solid slab.

6. heat abstractor as claimed in claim 4 is characterized in that, said second wind deflector has a plurality of mesh.

7. heat abstractor as claimed in claim 5; It is characterized in that; Each fin of said heating radiator has one first angle and one second angle, and a plurality of first angles of a plurality of fins are arranged and formed one first skewed slot, and said first skewed slot is in order to receive said first wind deflector; A plurality of second angles of a plurality of fins are arranged and are formed one second skewed slot, and said second skewed slot is in order to receive said second wind deflector.

8. heat abstractor as claimed in claim 6; It is characterized in that; Each fin of wherein said heating radiator has one first angle and one second angle, and a plurality of first angles of a plurality of fins are arranged and formed one first skewed slot, and said first skewed slot is in order to receive said first wind deflector; A plurality of second angles of a plurality of fins are arranged and are formed one second skewed slot, and said second skewed slot is in order to receive said second wind deflector.