CN2575846Y

CN2575846Y - Diaphragm bag for chemical electric power battery

Info

Publication number: CN2575846Y
Application number: CN 02255093
Authority: CN
Inventors: 王锋谷
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2002-10-11
Filing date: 2002-10-11
Publication date: 2003-09-24
Anticipated expiration: 2012-10-11

Abstract

The utility model relates to a heat sink for an information appliance, which comprises a turbine fan, a plurality of radiation fins, and a heat conducting pipe, wherein, the radiation fins are arranged to the air flow direction of the turbine fan, and are vertical to the axial direction of the turbine fan; one section of the heat conducting pipe is connected with the turbine fan and the radiation fins for heat radiation, and thus, the thickness of the heat sink for the information appliance can be reduced. The utility model accords with the requirements of lightness and thinness of the information appliance, and the disturbance of the utility model is smaller when an air flow passes through, which can largely reduce noises.

Description

The information appliance heat abstractor

Technical field

The utility model relates to a kind of heat abstractor, is meant a kind of heat abstractor that is applied to information appliance especially.

Background technology

Information appliance is the star's product in the digital economy, the technology that is applied to this field really be make rapid progress, at a tremendous pace; Wherein, obviously, the high speed of service is the demand of Market Consumer, also is the direction of industrial circle research and development.Therefore, follow the high speed of service and come, be the high temperature that assembly meeting so generation can cause endangering assembly life-span, therefore be in operation and produce " heat generating component " of high temperature, central processing unit (CPU) for example, or recording storage medium device, as hard disk (hard disk), compressed disc (CD, compactdisk), digital multi disc (DVD, digital versatile disc or digital videodisc) ... wait the access device of recording storage medium, and comparatively senior display card (visual card) etc., need heat to be conducted in the air rapidly by radiator.

In addition, based on the needs of consumer to portable information electrical equipment, and in response to the personal lifestyle space of reducing day by day, the lightening of information appliance also is the important goal of technological innovation; Related, the needed radiator of heat generating component also needs towards same target development, that is the thickness of radiator has been directly connected to the lightening of information appliance.

The structure of radiator has comprised fan that produces air-flow and the radiating fin with large surface area substantially, radiating fin can directly be connected with heat generating component, or heat is passed on the radiating fin by heat generating component by a heat-conducting piece, and by dispelling the heat with the heat exchange of air, the last air-flow that utilizes fan to produce again drives and send high temperature air, and introduces the process that the lower temperature air continues heat exchange repeatedly.Heat spreader structures commonly used, be to adopt the upright radiating fin of a row, and the tube-axial fan of the axial air-out of installing on radiating fin, for example United States Patent (USP) No. 6415612, No. 6399877, No. 5339214 are disclosed, conspicuous, its thickness does not also meet the demand of the lightening commodity in market now; Therefore, then have with the turbine fan of air-out radially, the structure-improved that the upright radiating fin of a row of fan radial side is located in collocation comes out, for example No. 6328097, No. 6166906, No. 6122169 disclosed radiator of United States Patent (USP) all belongs to this type, it effectively reduces the thickness of radiator really, but said structure still has following shortcoming and drawback:

1. radially passing in and out the air-flow that turbine fan produced of wind, is to rush at upright radiating fin with the angle that is slightly larger than the right angle, and causes disturbing phenomenon in the passage that the radiating fin gap forms, so that produce suitable noise.

2. the thickness of upright radiating fin is difficult to reduce, because if directly the height of radiating fin is reduced, has promptly reduced area of dissipation and influences heat dissipation; Increase the radiating fin of unit are quantity and improve usefulness as being aided with again, then, make the disturbance of air-flow more violent, produce bigger noise because of reducing the gap width of radiating fin.

Summary of the invention

The purpose of this utility model is to provide a kind of information appliance heat abstractor, and this installs its advantage with thinner thickness and low noise.

The purpose of this utility model can realize by following measure:

A kind of information appliance heat abstractor links to each other with a heat generating component; Comprise:

One fan; And

At least one radiating fin; It is characterized in that this radiating fin perpendicular to this fan axially and be located at the airflow direction of fan, and be connected with this heat generating component.

Has at least one hollow convex column at least one this radiating fin in the said apparatus.

All have at least one hollow convex column on this radiating fin in the said apparatus, and this radiating fin is repeatedly put interlocking each other with this projection.

The affixed heat pipe of this radiating fin in the said apparatus is to connect this heat generating component.

This heat pipe in the said apparatus and the local outer peripheral face of fan, and the relative two side outer rims of this radiating fin link to each other.

This fan in the said apparatus, this radiating fin and this heat pipe are fixedly arranged on the heat-conducting substrate.

This heat-conducting substrate in the said apparatus is provided with a heat-conducting block.

This heat pipe in the said apparatus is connected with this heat-conducting block.

This heat pipe in the said apparatus is connected on outermost this radiating fin outer surface.

This fan in the said apparatus has a kuppe, and the local outer peripheral face of this kuppe is connected with this heat pipe.

Radiating fin of the present utility model is perpendicular to the axial set-up mode of turbine fan, makes the information appliance heat abstractor be minimized thickness and reduces noise.

Description of drawings

Fig. 1 is the three-dimensional outline drawing of first preferred embodiment of the present utility model;

Fig. 2 is the front view of first preferred embodiment of the present utility model;

Fig. 3 is the rearview of first preferred embodiment of the present utility model;

Fig. 4 is the upward view of the first novel preferred embodiment of this reality;

Fig. 5 is the three-dimensional outline drawing of second preferred embodiment heat radiation fin keel of the present utility model;

Fig. 6 is the upward view of second preferred embodiment of the present utility model;

Fig. 7 is the three-dimensional outline drawing of the 3rd preferred embodiment of the present utility model;

Fig. 8 is the three-dimensional outline drawing of the 4th preferred embodiment of the present utility model.

Concrete execution mode

The information appliance heat abstractor 100 that first preferred embodiment of the present utility model is provided, as shown in Figures 1 to 4, it includes: a substrate 110, a turbine fan 120 are located on the substrate 110, plurality of radiating fins 130 is located at turbine fan 120 adjacent sides, and one heat pipe 140 unroll in turbine fan 120 and radiating fin 130 local outer peripheral faces, wherein;

Substrate 110 is made for heat-conducting, is low wide and up narrow plate body (direction explains according to Fig. 1, and is as follows), and its stage casing has a circular hole 111; And top Duan Ze sets firmly the square heat-conducting block 112 of a protuberance, can for is connected with heat pipe 140 and heat conduction to substrate 110, certainly, in fact substrate 110 also can be direct affixed and do not need to establish in addition heat-conducting block with heat pipe 140.

Turbine fan 120, form by the member of heat-conducting haply, be fixedly arranged on circular hole 111 place's (see figure 3)s of substrate 110, can be by it by the side exhausting, cross the radiating fin 130 of its bottom side to produce air communication, in fact adopt and oppositely pump wind, or the turbofan of pure radial axle air-supply pattern also can; Turbine fan 120 has one and is inverted U-shaped lengthy motion picture shape kuppe 121, and kuppe 121 right-hand ends end is little inwardly curved, and the part and the heat pipe 140 of kuppe about 121 ends touch heat conduction.Because turbine fan belongs to common technology, so its thin portion member is not given unnecessary details in this appearance; But needing in addition to propose explanation, is in the technical field of turbine fan, and aforesaid base plate 110 also can self be extended out and needn't be set up separately by turbine fan 120.

Radiating fin 130, be good heat conduction material, be positioned at turbine fan 120 bottom sides, radiating fin 130 is rectangular plane, about long and narrow up and down, each interval one distance and approximately being parallel to each other, and the left and right sides of all radiating fins 130 sets firmly a rectangle conducting strip 131 (seeing Fig. 1,4) respectively, makes each radiating fin 130 can connect heat conduction to each other.More rigorous says, radiating fin 130 is right against the airflow direction of turbine fan 120, and each radiating fin 130 is axial vertical with turbine fan 120 all; In addition, in fact desire to make each radiating fin can connect heat conduction to each other, only need to get final product with thermal conductance part binding, be not limited to the conducting strip of present embodiment in its one of them side.

Heat pipe 140, it is oblate that the cross section is, in regular turn by a side of radiating fin 130 be close to conducting strip 131 extend back, touch, twist with kuppe 121 1 sides of turbine fan 120 and run through substrate 110 heat-conducting block 112, distortion and with kuppe 121 in addition sides touch, last again with radiating fin 130 in addition the conducting strips 131 of side touch, and unroll into one inverted U-shaped; Heat pipe 140 absorbs heat with heat generating component (figure does not show) binding in the information appliance, conduct heat again to substrate 110, turbine fan 120 and radiating fin 130, and will be derived from the heat generating component heat of (figure does not show) by radiating fin 130, with arround air lower the temperature the air-flow heat radiation that produces by turbine fan 120 at last through heat exchange.What need in addition to replenish is, in fact heat pipe 140 can also alternate manner and heat-conducting block 112 bindings, for example is close to heat-conducting block 112 end faces; Secondly, aforesaid heat generating component is the central processing unit (CPU) in the general reference information appliance, or recording storage medium device, as hard disk (hard disk), removable hard drive (portable hard disk), compressed disc (CD, compact disk), re-writeable compressed disc (CD-RW, rewritable CD), video recording compressed disc (VCD, video compact disk), re-writeable video recording compressed disc (VCD-RW, rewritableVCD), digital multi disc (DVD, digital versatile disc or digital videodisc), re-writeable digital multi disc (DVD-RW, rewritable DVD) easily produce the assembly of high temperature during runnings such as the access device of recording storage medium such as, and comparatively senior display card (visual card).And, have at heat abstractor 100 under the condition of enough heat dissipations, be derived from the plural heat pipe of different heat assembly, can be linked on same group of turbine fan and the radiating fin.Moreover, when being connected in heat generating component neighbour side, can directly absorbing heat, and not need heat pipe as if radiating fin.

More than be the syntagmatic between each member of the utility model first preferred embodiment, when heat abstractor 100 runnings, because substrate 110, turbine fan 120, radiating fin 130 are the heat transfer that is connected to each other with heat pipe 140, so the heat of heat abstractor 100 can be passed to radiating fin 130 fast, carry out heat exchange and disengage fast via radiating fin 130 and air, and drive by the air-flow that turbine fan 120 produces and to send high temperature air, and introduce the process that the lower temperature air continues heat exchange repeatedly.Because present embodiment is to be provided with perpendicular to turbine fan 120 axial modes with radiating fin 130, the air-flow that makes turbine fan 120 generations, can be more expedite the direct gap by radiating fin, and be difficult for causing the disturbance trigger noise of air-flow, the more important thing is, set-up mode can effectively reduce the thickness of heat abstractor 100, and the lightening demand of information appliance is satisfied in the related thickness attenuation that makes information appliance.

The information appliance heat abstractor 200 that second preferred embodiment of the present utility model is provided is as Fig. 5 and shown in Figure 6, being in: its radiating fin 210 with the difference of first preferred embodiment is the hollow convex columns 211 that become to have plural number via die stamping, and each radiating fin 210 is to rabbet each other with hollow convex column 211 repeatedly to put, and make radiating fin 210 heat conduction velocity to each other faster, and therefore its heat exchange area can promote, and makes the heat dissipation of heat abstractor 200 better.

The information appliance heat abstractor 300 that the 3rd preferred embodiment of the present utility model is provided, as shown in Figure 7, be in: its heat pipe 330 linkage section two ends with the difference of aforementioned preferred embodiment with turbine fan 310 and radiating fin 320, extend by the left and right sides distortion of turbine fan 310 respectively, last to be parallel to the mode of airflow direction, be connected on radiating fin 320 outer surfaces of top side and bottom side, so can increase the heat-conducting area of heat pipe 330 and radiating fin 320, allow quicker directly being passed to of heat that comes from heat generating component carry out heat exchange on the radiating fin 320.The variation similar to Fig. 7, the heat abstractor 400 of the 5th preferred embodiment as shown in Figure 8, heat abstractor 300, as shown in Figure 7, the linkage section two ends of its heat pipe 430 and turbine fan 410 and radiating fin 420, by horizontal the stretching of the left and right sides of turbine fan 410 distortion, last respectively in mode perpendicular to airflow direction, be connected on radiating fin 420 outer surfaces of top side and bottom side.

What must remark additionally in addition is that the material of each member of the utility model can be single metal, alloy or other Heat Conduction Material.

The above only is wherein several preferred embodiments of the utility model, does not use to limit the scope that the utility model is implemented; Anyly have the knack of this skill person, change and modify not breaking away from the equalization of being done under spirit of the present utility model and the scope, all should be covered by in the claim of the present utility model.

Claims

1, a kind of information appliance heat abstractor links to each other with a heat generating component; Comprise:

One fan; And

2, information appliance heat abstractor as claimed in claim 1 is characterized in that having at least one hollow convex column at least one this radiating fin.

3, information appliance heat abstractor as claimed in claim 1 it is characterized in that all having at least one hollow convex column on this radiating fin, and this radiating fin is repeatedly put interlocking each other with this projection.

4, information appliance heat abstractor as claimed in claim 1 is characterized in that the affixed heat pipe of this radiating fin is to connect this heat generating component.

5, information appliance heat abstractor as claimed in claim 4 is characterized in that the local outer peripheral face of this heat pipe and fan, and the relative two side outer rims of this radiating fin link to each other.

6, information appliance heat abstractor as claimed in claim 4 is characterized in that this fan, this radiating fin and this heat pipe are fixedly arranged on the heat-conducting substrate.

7, information appliance heat abstractor as claimed in claim 4 is characterized in that this heat-conducting substrate is provided with a heat-conducting block.

8,, it is characterized in that this heat pipe is connected with this heat-conducting block as claim 4 or 7 described information appliance heat abstractors.

9, information appliance heat abstractor as claimed in claim 4 is characterized in that this heat pipe is connected on outermost this radiating fin outer surface.

10, information appliance heat abstractor as claimed in claim 4 it is characterized in that this fan has a kuppe, and the local outer peripheral face of this kuppe is connected with this heat pipe.