CN201629328U

CN201629328U - Heat radiator structure

Info

Publication number: CN201629328U
Application number: CN2010201402574U
Authority: CN
Inventors: 黄君平
Original assignee: CHIA CHERNE INDUSTRY Co Ltd
Current assignee: CHIA CHERNE INDUSTRY Co Ltd
Priority date: 2010-03-16
Filing date: 2010-03-16
Publication date: 2010-11-10
Anticipated expiration: 2020-03-16

Abstract

The utility model relates to a heat radiator structure, comprising at least one heat pipe and a heat-radiating fin bottom plate, the heat-radiating fin bottom plate is provided with a heat adsorbing surface and a heat radiating surface, the heat radiating surface is provided with a plurality of heat-radiating fins which are connected on the heat-radiating fin bottom plate in an integrating way, at least one groove is arranged on the heat adsorbing surface, the number of the groove correspond to that of the heat pipe, so as to lead the heat pipe to be correspondingly embedded in the groove with the same number to the number of the heat pipe, and the surface of at least one heat pipe and the heat adsorbing surface have the same height to form a contact surface, the contact surface is contacted with a chip which can radiate high heat, rapid heat conduction of large area surface of the heat-radiating fin bottom plate and the heat pipe causes the temperature to be rapidly transferred to lead the temperature of the heat-radiating fin bottom plate to be uniformly dispersed, so as to bring a great amount of heat to reduce the temperature of the chip, heat can be rapidly transferred to a plurality of the heat-radiating fins which are connected to the heat-radiating fin bottom plate in an integrating way without barriers and is rapidly radiated in a large-area way through a plurality of the heat-radiating fins.

Description

Heat spreader structures

Technical field

The utility model relates to the chip cooling structure, particularly a kind of one-body molded and heat spreader structures of high speed heat conduction and heat radiation.

Background technology

See also shown in Figure 1, known heat spreader structures comprises a fin 1 and a fan 2, this fin 1 is used to contact the chip 4 on the substrate 3, take away heat fast with the high thermal conductivity that utilizes this fin 1, brush this fin 1 by this fan 2 again, heat is distributed fast, avoid accumulation of heat and produce high temperature, and chip 4 is caused damage.But this structure, its fan 2 can be aging gradually along with the time, and have problems such as rotating speed reduction, noise to produce, even when fan 2 faults, fin 1 can be not good because of efficient, and produce the damage that high temperature causes chip 4, is difficult to chip 4 is formed perfect protection.

See also Fig. 2, Fig. 3 and shown in Figure 4, another known heat spreader structures, for TaiWan, China is announced the M309147 patent, it has given up use fan 2, to avoid the fan 2 aging problems of bringing, it comprises a radiating fin group 5, a heat-conducting plate 6 and radiating tube 7, this radiating tube 7 has splendid thermal conductivity, and is set in this heat-conducting plate 6, and is revealed in the surface of this heat-conducting plate 6, this heat-conducting plate 6 contacts this radiating fin group 5 on one side, and another side then is used to contact the chip 4 on the substrate 3.

Therefore when the heat transferred that is produced by this chip 4 was to this radiating tube 7, this radiating tube 7 can be fast with this chip 4 of heat diversion, and by the large tracts of land of this radiating fin group 5, a large amount of heat is distributed fast produces high temperature to avoid this chip 4 again.

But this known structure, this radiating fin group 5 is to separate manufacturing with this heat-conducting plate 6, closely contact combines again, its processing is comparatively complicated, and between this radiating fin group 5 and this heat-conducting plate 6, having the slit unavoidably produces, it causes heat can be accumulated on this heat-conducting plate 6, and can't conduct to this radiating fin group 5 fast, therefore, the heat that this heat-conducting plate 6 is accumulated can cause heat can't be passed to this radiating fin group 5 apparently higher than this radiating fin group 5, reduce its radiating efficiency to make full use of this radiating fin group 5, and then cause its radiating efficiency to satisfy the demands.

The utility model content

Main purpose of the present utility model is to provide a high efficiency radiator structure, to satisfy the demand of heat radiation.

For achieving the above object, the utility model provides a kind of heat spreader structures, it comprises a radiating fin base plate and at least one heat pipe, wherein this radiating fin base plate has a heat-absorbent surface and a radiating surface that is positioned at relative both sides, this radiating surface is provided with the one-body molded a plurality of radiating fins that are connected on this radiating fin base plate, this heat-absorbent surface is provided with at least one groove, and this groove is corresponding with the number of this heat pipe, this at least one groove is used for correspondence and inlays this at least one heat pipe, and the surface of this at least one heat pipe and contour formation one contact-making surface of this heat-absorbent surface.

Heat spreader structures described in the utility model, wherein this heat pipe and this groove can have three, and described three grooves are located on this heat-absorbent surface side by side.

Preferably be separated by a separately gap and the arrangement of heat spreader structures described in the utility model, wherein said a plurality of radiating fins stood on this radiating surface.

Heat spreader structures described in the utility model, wherein said a plurality of radiating fins can dig separately establishes a plurality of flutings.

Heat spreader structures described in the utility model, wherein this radiating fin base plate is preferably any that is selected from aluminium, copper, aluminium alloy, copper alloy and albronze.

Heat spreader structures described in the utility model, wherein this radiating fin base plate can be convexly equipped with a plurality of reference columns on this heat-absorbent surface.

Heat spreader structures described in the utility model, wherein also can comprise a plurality of double-screw bolts, the relative both sides of described double-screw bolt have a nut end and an end of thread, described double-screw bolt passes this radiating fin base plate, and wear a spring between this nut end and this radiating fin base plate, and described double-screw bolt sheathed C type between this nut end and this radiating fin base plate is buckled.

Heat spreader structures described in the utility model, wherein said reference column can be provided with a perforation, and described double-screw bolt passes this perforation.

Therefore, this contact-making surface is used for contacting with a chip that can give out high heat, quick conductive by this heat pipe, diversion this chip place fast comes heat diffusion, heat also can expeditely fast be passed to the one-body molded a plurality of radiating fins that are connected on this radiating fin base plate, with large tracts of land quick heat radiating, and has splendid radiating effect by described a plurality of radiating fins.

Description of drawings

Fig. 1 is the structure chart of known radiator.

Fig. 2 is the STRUCTURE DECOMPOSITION figure of another known radiator.

Fig. 3 is a heat radiation schematic diagram of another known radiator.

Fig. 4 is another heat radiation schematic diagram of another known radiator.

Fig. 5 is the exploded view of the utility model heat spreader structures.

Fig. 6 is the assembled sectional view of the utility model heat spreader structures.

Fig. 7 is the use schematic diagram of the utility model heat spreader structures.

Fig. 8 is that the heat pipe of the utility model heat spreader structures transmits the heat schematic diagram.

Fig. 9 is another angle heat transferred schematic diagram of the utility model heat spreader structures.

Embodiment

Below in conjunction with specific embodiment and conjunction with figs.,, be described in further detail feature of the present utility model, purpose and effect.

See also Fig. 5 and shown in Figure 6, the utility model is a kind of heat spreader structures, it comprises a radiating fin base plate 10 and at least one heat pipe 20, this radiating fin base plate 10 has a heat-absorbent surface 11 and a radiating surface 12 that is positioned at relative both sides, this radiating surface 12 is provided with the one-body molded a plurality of radiating fins 30 that are connected on this radiating fin base plate 10, and can be separated by a separately gap 40 and arrange and to stand on this radiating surface 12 of described a plurality of radiating fin 30, and described a plurality of radiating fin 30 can dig separately and establish a plurality of flutings 41, to increase radiating effect.

This heat-absorbent surface 11 is provided with at least one groove 13, and this groove 13 is corresponding with the number of this heat pipe 20, and this at least one groove 13 is used for correspondence and inlays this at least one heat pipe 20, and the surface of this at least one heat pipe 20 and this heat-absorbent surface 11 contour formation one contact-making surfaces 15.In present embodiment, this heat pipe 20 has three with this groove 13, and described three grooves 13 are located on this heat-absorbent surface 11 side by side, and this heat pipe 20 also is the relative position setting.

This radiating fin base plate 10 can also for be selected from aluminium, copper, aluminium alloy and, heat conduction such as copper alloy and albronze any, and this radiating fin base plate 10 can be convexly equipped with a plurality of reference columns 14 on this heat-absorbent surface 11, and described reference column 14 can be provided with a perforation 141.The utility model also can comprise a plurality of double-screw bolts 50 in addition, described double-screw bolt 50 relative both sides have a nut end 51 and an end of thread 52, described double-screw bolt 50 passes this radiating fin base plate 10, as double-screw bolt 50 passes this perforation 141 as described in making, and wear a spring 53 between this nut end 51 and this radiating fin base plate 10, and described double-screw bolt 50 sheathed C type between this nut end 51 and this radiating fin base plate 10 buckles 54.

Please consult Fig. 7 again, Fig. 8 and shown in Figure 9, described double-screw bolt 50 can be in order to screw lock on a substrate 80, so that giving out the chip 60 of high heat, this contact-making surface 15 and contacts, so high-termal conductivity of this heat pipe 20 of high heat energy utilization of chip 60 generations, transmit by heat dissipation path 70, and diversion chip 60 places that come of diffusion fast, and received by this radiating fin base plate 10, heat also can expeditely fast be passed to the one-body molded a plurality of radiating fins 30 that are connected on this radiating fin base plate 10 along heat dissipation path 70 by this radiating fin base plate 10, can be by the large tracts of land of described a plurality of radiating fins 30, distribute heat enters in the air fast, thereby the splendid radiating effect of tool.

As mentioned above, the utility model is by the quick conductive by this at least one heat pipe 20, with the one-body molded large tracts of land heat radiation that is connected in a plurality of radiating fins 30 on this radiating fin base plate 10, heat can expeditely be passed to described a plurality of radiating fin 30 fast, and by described a plurality of radiating fins 30 apace distribute heat enter in the air, therefore it has splendid radiating effect, can not use fan, avoids the aging problem that causes of fan.

Being preferred embodiment of the present utility model only in sum, is not to be used for limiting the utility model protection range, and promptly all equivalences of doing according to the utility model content change and modify, and all should be covered by in the technical scope of the present utility model.

Claims

1. heat spreader structures is characterized in that comprising:

One radiating fin base plate (10), this radiating fin base plate (10) has a heat-absorbent surface (11) and a radiating surface (12) that is positioned at relative both sides, this radiating surface (12) is provided with the one-body molded a plurality of radiating fins (30) that are connected on this radiating fin base plate (10), and this heat-absorbent surface (11) is provided with at least one groove (13);

Number is at least one heat pipe (20) that should groove (13), and this at least one heat pipe (20) is embedded in this at least one groove (13), and the surface of this at least one heat pipe (20) and contour formation one contact-making surface of this heat-absorbent surface (11) (15).

2. heat spreader structures according to claim 1 it is characterized in that this heat pipe (20) and this groove (13) have three, and described three grooves (13) is located at side by side on this heat-absorbent surface (11).

3. heat spreader structures according to claim 1 is characterized in that be separated by a separately gap (40) and arrange and to stand on this radiating surface (12) of described a plurality of radiating fin (30).

4. heat spreader structures according to claim 3 is characterized in that described a plurality of radiating fin (30) digs separately to establish a plurality of flutings (41).

5. heat spreader structures according to claim 1 is characterized in that this radiating fin base plate (10) is for being selected from any of aluminium, copper, aluminium alloy, copper alloy and albronze.

6. heat spreader structures according to claim 1 is characterized in that this radiating fin base plate (10) is convexly equipped with a plurality of reference columns (14) on this heat-absorbent surface (11).

7. heat spreader structures according to claim 6, it is characterized in that also comprising a plurality of double-screw bolts (50), described double-screw bolt (50) both sides relatively has a nut end (51) and an end of thread (52), described double-screw bolt (50) passes this radiating fin base plate (10), and wear a spring (53) between this nut end (51) and this radiating fin base plate (10), and described double-screw bolt (50) sheathed C type between this nut end (51) and this radiating fin base plate (10) is buckled (54).

8. heat spreader structures according to claim 7 it is characterized in that described reference column (14) is provided with a perforation (141), and described double-screw bolt (50) passes this perforation (141).