CN201153358Y

CN201153358Y - Vortex guiding heat radiating device

Info

Publication number: CN201153358Y
Application number: CNU2007201954525U
Authority: CN
Inventors: 陈亮合
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-02
Filing date: 2007-11-02
Publication date: 2008-11-19
Anticipated expiration: 2017-11-02

Abstract

The utility model relates to a vertex type heat abstractor which comprises a radiating body composed of a plurality of fin sheets and a fan arranged above the radiating body. Reverse fixed blades which have opposite rotating direction with the fan are arranged between the air outlet face of the fan and the radiating body; the air current delivered by the fan can be thereby pushed into the reverse fixed blades to congregate into oriented air flow directly blowing to the radiating body. The vertex type heat abstractor can increase the radiating efficiency and relatively increase the service life and the reliable degree of the electronic wafer.

Description

Vortex guiding heat radiating device

Technical field

The utility model relates to a kind of heat abstractor, relates in particular to a kind of radiating efficiency that increases, and makes the useful life of electronic wafer and the vortex guiding heat radiating device that reliability also promotes relatively.

Background technology

Employed heat abstractor 10 at present existing computer cpu CPU or other electronic wafers, haply as shown in Figures 1 and 2, it comprises the heat radiator body 11 that is made of several pieces fins, and tube-axial fan 12 that is arranged on heat radiator body 11 tops, and heat radiator body 11 bottom surfaces are posted by the electronic wafer surface, promptly on thermal source 14 zones.After fan 12 starts, the heat energy of thermal source 14 can act on via heat conduction (heat conduction), be passed on each fin of heat radiator body 11, and blow to each fin of this heat radiator body 11 and carry out heat exchange with the cold air that fan 12 was produced, with the heat energy band from.

The fan 12 that uses at present is axial-flow type, each flabellum 122 of fan 12 is that the axle bed 121 from the center stretches out, because axle bed 121 contents are provided with members such as motor, this makes axle bed 121 occupy sizable area, therefore when fan 12 action rotations, is positioned at the scope of the hot-zone 15 under the axle bed 121, more near axle bed 121 places, then more do not have air quantity, therefore the radiating fin of 15 scopes in the hot-zone just can't obtain the heat radiation of cold air.And because heat abstractor 10 when mounted, thermal source 14 can be aimed at the axle bed 121 of fans 12, so the air quantity that fan 12 produced and blast can't send to the hot-zone 15 that heat radiator body 11 is spread near thermal source 14, so reduced its radiating efficiency.

Fig. 3 and shown in Figure 4, be existing another kind of heat abstractor 10a, it is to set up one at this

heat radiator body

11 and 12 in fan to have the wind-guiding ring body 13 that is oblique cone shape, blow to the zone that fan 12 central axle beds 121 are covered in the air adfluxion that guiding fan 12 is produced, to arrive the part of the convergence thermal source 14 of heat radiator body 11, phase can be promoted radiating efficiency, and this type is seen in novel M259469 patent case.

And, above-mentioned heat abstractor 10a direct airflow blows to the practice of central authorities, and its thinking direction is correct, but, it uses the wind-guiding ring body 13 of oblique cone shape, the effect that can reach may be limited, because of it only is the role that slightly for a change blows, for the W of view field of axle bed 121 belows, it is the position of thermal source 14, air stream is difficult for arriving, so radiating efficiency can't significantly promote, for it does not improve part to the greatest extent; So, still have room for improvement.

In addition, shown in Figure 5, be existing another kind of heat abstractor 10b, its radiating fin 16 is be capwise vertical, is the horizontal different of level trend with aforementioned radiating fin.So, no matter horizontal or vertical heat abstractor all has the described problem of above stated specification in its heat radiation.

In addition, this principle of turbocharging is used on multinomial and the air-flow Related product, as the inlet scoop of injection engine, the accelerator of car engine and the molecular pump that vacuum is used etc. by general.The operation principle of these devices is with how right rotating shaft blade, with the backward vane combination " abbreviation wheel blade " that is fixed on wheel rim, the rotating shaft blade of high speed rotating is kept watch constantly rapidly, push the backward vane that is fixed on the wheel rim, make the pressure of air-flow, rapid acquisition promotes between the backward vane on rotating shaft blade and the wheel rim, turbo charged principle that everybody was familiar with that Here it is.

Though the Related product of some heat radiation or ventilation all can be emphasized distinctive turbine apparatus, majority just gets up a turbine fan and radiating fin to cover, or makes fan blow to a reverse vortex-like non-foliated dividing strip; Yet turbo charged structure and volume take up space, and its objective is the increase on blast, but this easily forms the power dissipation of back pressure on the contrary for radiator, so be not suitable.

The utility model content

Technical problem underlying to be solved in the utility model is, overcomes the above-mentioned defective that prior art exists, and a kind of vortex guiding heat radiating device is provided, and it can increase radiating efficiency, and makes the useful life and the also relative lifting of reliability of electronic wafer.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of vortex guiding heat radiating device comprises: a heat radiator body is made of a plurality of fins; And a fan, be located at this heat radiator body top; It is characterized in that: between the outlet air surface of this fan and this heat radiator body, be provided with one with the reverse fixed blade of this fan direction of rotation opposed alignment, the air-flow that this fan is sent is taken advantage of a situation and is pushed in this reverse fixed blade, is gathered into the air-flow that can lead and directly blows to this heat radiator body.

Aforesaid vortex guiding heat radiating device, wherein the fin of heat radiator body comprise horizontal and vertical one of them.

Aforesaid vortex guiding heat radiating device, wherein oppositely fixed blade is located at one independently in the guide bracket of whirlpool with it, makes it become a Connection Block form between this fan and the heat radiator body.

Aforesaid vortex guiding heat radiating device, wherein oppositely fixed blade is integral itself and this fan making and settlement, becomes a whirlpool and leads the radiator fan form.

Aforesaid vortex guiding heat radiating device, wherein oppositely fixed blade is integral the fin making and settlement of its and this heat radiator body, becomes a whirlpool conduction heat radiator form.

Aforesaid vortex guiding heat radiating device, wherein oppositely the fixed blade periphery is provided with a wheel blade cover.

Aforesaid vortex guiding heat radiating device, wherein oppositely fixed blade forms the air outlet that an area reduces.

Aforesaid vortex guiding heat radiating device wherein is provided with wind-retarding plate between the air outlet of heat radiator body and this reverse fixed blade.

The utility model only need use a reverse fixed blade, can form the hot-zone that a concentrated air-flow front blows to radiating fin, the theory and the structure outward appearance of steering current and this kind taken advantage of a situation, though part is similar in appearance to turbocharging, but principal character of the present utility model is to be water conservancy diversion, that is ingenious utilization is at the set reverse fixed blade in fan bottom, device as guide functions, so the utility model does not have the necessary condition of turbine, also need not constitute the structure and the assembly of pressurized effect, therefore be referred to as " lead in the whirlpool " and only be fit to again, and can obviously separate with existing " turbocharging ".

The feature of leading by aforementioned whirlpool again in conjunction with a heat radiator body that is covered with fin, can be organized and constitutes a whirlpool and lead heat abstractor, and this module just in time is able to framework and goes out the structure that a complete front blows to the hot-zone, can meet the demand in the electronic wafer heat radiation.

Because the framework of the whole reverse fixed blade of the utility model simply but can reach the enhancement heat dissipation thus, makes the volume of entire heat dissipation device can not become big and take up space the configuration spatially of Portable computer product.And reverse fixed blade of the present utility model can be on demand, is arranged on one independently in the guide bracket of whirlpool.Or itself and fan be arranged to one, become a whirlpool and lead the radiator fan kenel.In addition, also the fin of itself and heat radiator body can be made and be integral, become a whirlpool conduction heat radiator kenel.

Yet, no matter the utility model is with above-mentioned which kind of form to implement, all can obtain one " air-flow that can lead ", and exempted the meaningless caused noise and vibration of increase of blast, and can be under the minimum situation of power dissipation, optimum value on obtaining a blast smoothly and measuring makes the radiating efficiency optimization.So the utility model really can improve the problem that present radiator exists, provide the heat abstractor of a raising usefulness to electronic industry.

The beneficial effects of the utility model are that the utility model can increase radiating efficiency, and makes the useful life and the also relative lifting of reliability of electronic wafer.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the exploded perspective schematic diagram of existing a kind of horizontal heat abstractor.

Fig. 2 is the assembled sectional view of existing a kind of horizontal heat abstractor.

Fig. 3 is the exploded perspective schematic diagram of existing another kind of horizontal heat abstractor.

Fig. 4 is the assembled sectional view of existing another kind of horizontal heat abstractor.

Fig. 5 is the schematic diagram of existing a kind of vertical heat abstractor.

Fig. 6 is the perspective exploded view of the main framework of the utility model.

Fig. 7 is the cutaway view of the main framework of the utility model.

Fig. 8 is the utility model one possible embodiments figure.

Fig. 9 is another possible embodiments figure of the present utility model.

Figure 10 is a possible embodiments figure more of the present utility model.

20,20a heat radiator body

21 fins

22 wind-retarding plates

23 vertical fin

30 fans

40 reverse fixed blades

41 flabellums

42 air outlets

43 whirlpool guide brackets

44 wheel blade covers

50 Connection Blocks

Radiator fan is led in 60 whirlpools

70 whirlpool conduction heat radiators

Embodiment

At first, see also Figure 6 and Figure 7, be main architectural features of the present utility model, that is the utility model comprise:

One heat radiator body is made of a plurality of heat transmission fin 21, the horizontal radiator of heat radiator body 20 in the present embodiment for being commonly called as, but be not limited to this, the utility model also may be implemented in vertical radiator, repeats after the appearance.As for, the characteristic of this heat radiator body 20 is because of non-the utility model patent target, so do not give unnecessary details.

One fan 30 is provided in a side of this heat radiator body 20 tops, is tube-axial fan in the present embodiment, makes it send into cold air to this heat radiator body 20 downwards and carries out heat exchange.

The utility model principal character is: between the outlet air surface of this fan 30 and this heat radiator body 20, be provided with one opposite with these fan 30 direction of rotation, the reverse fixed blade 40 that is arranged in a combination.That is the flabellum 41 of this reverse fixed blade 40 is to be vortex or ring-type stacked arrangement, and air intake vent is the air-supply tangential direction corresponding to this fan 30; So, the air-flow that this fan 30 is sent imports earlier in this reverse fixed blade 40, and the formation whirlpool is led the gathering air-flow and blowed to this heat radiator body 20 in the front again.

Because, the utility model is will allow air-flow can assemble the front blow to thermal source again, so replace superfast rotating shaft blade in the existing turbocharging with fan 30, and the disclosed reverse fixed blade 40 of the utility model, the design in its pattern and the number of sheets and gap etc., also, have guide functions to formation mutually and get final product as long as cooperate the rotating speed of fan 30 and the leaf foundation of doing of flabellum.

By a such combination collocation, again with the center of circle of reverse fixed blade 40 as air outlet, can lead whole the gathering together that air-flow is taken advantage of a situation because of the whirlpool, and the positive thermal source that blows to, and because the purpose of this utility model, being water conservancy diversion smoothly, is not existing turbocharging, is the blast that is to increase it.So, the purpose of water conservancy diversion of the present utility model, it is the gathering that is on the air quantity, and the increase of blast is not a target of the present utility model, and the design on air quantity and blast can deduct axle bed (motor) diameter by calculating fan diameter, with the area ratio of air outlet, converse a suitable use difference in height, make it reach optimum value.

As Figure 6 and Figure 7, a preferred embodiment is the air outlet 42 that forms area reduction in this reverse fixed blade 40, and it is better then will to make the air-flow whirlpool lead effect.Moreover, between this heat radiator body 20 and this reverse fixed blade 40, more comprising the wind-retarding plate 22 that is provided with projection, this wind-retarding plate 22 is pressed close to air outlet, also has the function of promoting the water conservancy diversion effect.

By above-mentioned technological means, comprise on the actual use of the utility model aspect as after embodiment:

At first, as shown in Figure 8, an embodiment of this reverse fixed blade 40 comprises it is located at one independently in the whirlpool guide bracket 43, makes it become Connection Block 50 forms between this fan 30 and the heat radiator body 20, make its be in regular turn three independently component composition form.

Then, as shown in Figure 9, these reverse fixed blade 40 another embodiment comprise itself and this fan 30 making and settlement are integral, and become a whirlpool and lead radiator fan 60 forms, and then be combined on this heat radiator body 20.

Again, as shown in figure 10, this reverse fixed blade 40 is an embodiment again, comprises that vertical fin 23 with itself and this heat radiator body 20a makes to be integral, and becomes a whirlpool conduction heat radiator 70 forms, and then in top assembling fan 30.This type of embodiment is applicable to vertical radiator, and can directly constitute vortex shape flabellum 41 with the counterclockwise or clockwise deviation of the epimere portion of each vertical fin 23, be equiped with an impeller set 44 in these flabellum 41 peripheries again, so promptly constitute a reverse fixed blade 40 and the form that vertical heat radiator body 20a is combined as a whole, can use at different demands.

Learn by above-mentioned explanation, the utility model is that device is led in a kind of whirlpool that is different from the turbine effect, the utility model is between heat radiator body 20 and fan 30, the effect of set reverse fixed blade 40, can under the minimum situation of power dissipation, form " vortex water conservancy diversion " effect of taking advantage of a situation, obtain the heat source region that a concentrated air-flow directly is blown into radiating fin, really can improve existing radiator in the not good problem of radiating efficiency herein, to promote the useful life and the reliability of electronic wafer.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.

Claims

1, a kind of vortex guiding heat radiating device comprises: a heat radiator body is made of a plurality of fins; And a fan, be located at this heat radiator body top; It is characterized in that:

Between the outlet air surface of this fan and this heat radiator body, be provided with one with the reverse fixed blade of this fan direction of rotation opposed alignment.

2, vortex guiding heat radiating device according to claim 1, the fin that it is characterized in that described heat radiator body comprise horizontal and vertical one of them.

3, vortex guiding heat radiating device according to claim 1 is characterized in that described reverse fixed blade is located at one independently in the guide bracket of whirlpool with it, makes it become a Connection Block form between this fan and the heat radiator body.

4, vortex guiding heat radiating device according to claim 1 is characterized in that described reverse fixed blade is integral itself and this fan making and settlement, becomes a whirlpool and leads the radiator fan form.

5, vortex guiding heat radiating device according to claim 1 is characterized in that described reverse fixed blade makes the fin of itself and this heat radiator body to be integral, and becomes a whirlpool conduction heat radiator form.

6, vortex guiding heat radiating device according to claim 5 is characterized in that described reverse fixed blade periphery is provided with a wheel blade cover.

7, vortex guiding heat radiating device according to claim 1 is characterized in that described reverse fixed blade forms the air outlet of area reduction.

8, vortex guiding heat radiating device according to claim 1 is characterized in that being provided with wind-retarding plate between the air outlet of described heat radiator body and this reverse fixed blade.