CN101021736A - Radiating device - Google Patents

Abstract

This invention provides a cooling device applying to a card, which has a first and a second plane correspondingly. The cooling device includes at least plural cooling fins and a backplane structure. Among them, the cooling fins are located on the first plane, and the backplane structure is set on the second plane with at least one stud getting through the above two planes, except for making the backplane structure lock cooling fins on the card, which can provide a heat conduction path of cooling fins to the backplane structure, increasing the overall area of the cooling device.

Description

Heat abstractor

Technical field:

The invention relates to a kind of heat abstractor, be particularly to the technical field of utilizing a back board structure to fasten heat abstractor and increasing its area of dissipation.

Background technology:

Along with the arriving of multimedia era, relevant multimedia information has been used on the electronic products such as every computer or consumer.To this, the achievement with electronic product institute computings such as these computers or consumer how display card can be satisfactory represents on screen or other display device with its high-speed computation again, has been the indispensable requirement on the market.Also as what masses expected, the processing speed of display card has on the market progressively been caught up with the requirement in market really at present.In fact, the processor on these display cards is for can reach its required processing speed, and the processor on its tangible display card is to have possessed identical functions and usefulness thereof with the central processing unit on the host computer already.To this, well imagine that the processor on the display card certainly will also suffer from the continuous for a long time and lasting problem that the solves---heat radiation of central processing unit on the host computer.Here, the present invention disclose then be used in the prior art on the display card heat abstractor comparatively commonly used as after.

Please refer to the synoptic diagram of Fig. 1 for the heat abstractor on the display card in the prior art.In Fig. 1, heat abstractor 1 includes a heat dissipation base 10 and a plurality of radiating fin 11.Wherein, heat dissipation base 10 has an end face 101 and a bottom surface 102, and its bottom surface 102 can fit in the pyrotoxin 121 of a display card 12, and end face 101 then can be in order to the above-mentioned a plurality of radiating fins 11 of upright extension.In addition, above-mentioned pyrotoxin 121 can be the processor on the display card 12 usually.

Please refer to the synoptic diagram of Fig. 2 for the heat abstractor on the display card in the prior art.In Fig. 2, heat abstractor 2 includes a heat dissipation base 10, a plurality of radiating fin 11, a heat pipe 20 and a conducting strip 21.Wherein, heat dissipation base 10 has an end face 101 in order to a plurality of radiating fins 11 of upright extension.20 of heat pipes can have two ora terminalis, and an ora terminalis can be connected to conducting strip 21, and the other end then can run through heat dissipation base 10.In addition, conducting strip 21 can be used for fitting in the pyrotoxin 121 on the display card 12 usually, and by this, the thermal source of pyrotoxin 121 conducts heat via conducting strip 21 then and gives heat pipe 20, with the capillarity in its pipe thermal source is conducted to heat dissipation base 10 again in the heat pipe 20.At last, 10 of heat dissipation bases can carry out its heat radiation action by radiating fin 11.

Please refer to the synoptic diagram of Fig. 3 for a heat abstractor of display card in the prior art.In Fig. 3, heat abstractor 3 includes one first heat dissipation base 30, a plurality of first radiating fin 301, one second heat dissipation base 31, a plurality of second radiating fin 311 and a heat pipe 20.Wherein, first heat dissipation base 30 has a bottom surface 302 and an end face 303, and utilizes its bottom surface 302 can fit on the plane that has pyrotoxin 121 on the display card 12, and 303 of its end faces can uprightly extend above-mentioned a plurality of first radiating fin 301.In addition, second heat dissipation base 31 also has a bottom surface 312 and an end face (figure does not show), and utilizes its bottom surface 312 can fit on the other plane (figure does not show) of display card 12, and its end face then can uprightly extend above-mentioned a plurality of second radiating fin 311.In addition, 20 of heat pipes can directly be around on two corresponding surfaces of display card 12 and run through first heat dissipation base 30 and second heat dissipation base 31.When the thermal source at pyrotoxin 121 places conducts its thermals source via the bottom surface 302 of first heat dissipation base 30, this thermal source can dispel the heat by first radiating fin 311 or via heat pipe 20 thermal source is dispersed on second heat dissipation base 31 simultaneously, is then dispelled the heat by second radiating fin 311.

Please refer to the synoptic diagram of Fig. 4 for a heat abstractor of display card in the prior art.In Fig. 4, heat abstractor 4 includes one first heat dissipation base 30, a plurality of first radiating fin 301, one first heat pipe 40, a conducting strip 21, one second heat dissipation base 31, a plurality of second radiating fin 311 and one second heat pipe 41.Wherein, first heat dissipation base, 30 tools, one end face 303 can uprightly extend above-mentioned a plurality of first radiating fin 301.40 of first heat pipes can have two ora terminalis, and an ora terminalis can be connected to conducting strip 21, and the other end then can run through first heat dissipation base 30.Conducting strip 21 then can be used for fitting in the pyrotoxin 121 on the display card 12 usually.In addition, second heat dissipation base 31 also has a bottom surface 312 and an end face (figure does not show), and utilizes its bottom surface 312 to fit on the other plane (figure does not show) of display card 12, and its end face then can uprightly extend above-mentioned a plurality of second radiating fin 311.In addition, 41 of second heat pipes can directly be around on two corresponding flats of display card 12 and run through first heat dissipation base 30 and second heat dissipation base 31.Satisfy the capillarity of giving in managing with it again in first heat pipe, 40, the first heat pipes 40 when the thermal source of pyrotoxin 121 thermal source is conducted to first heat dissipation base 30 via the heat absorption of conducting strip 21.At last, 30 of first heat dissipation bases can carry out its heat radiation action by its radiating fin 301.Moreover when thermal source conducted to first heat dissipation base 30, above-mentioned thermal source can be dispersed to thermal source on second heat dissipation base 31 with its capillarity via second heat pipe 41 simultaneously, is then dispelled the heat by second radiating fin 311.

End is seen the heat abstractor of above-mentioned prior art, includes following disappearance at least:

(1) radiating fin in the heat abstractor all need rely on its heat dissipation base to be used as its extension and bearing base thereof.Only, the heat dissipation base in the prior art usually all comparatively heavy and its volume of benzene occupy most of area of display card usually, cause display card to have sizable volume and weight thereof.

(2) heat pipe in the heat abstractor is when running through heat dissipation base, and its thermal source is satisfied to be in contact with one another via outer wall place that heat pipe ran through and inwall place that heat dissipation base ran through thereof and carried out thermal source and propagate.Only, the outer wall place of above-mentioned heat pipe and the inwall place of above-mentioned heat dissipation base all fail closely to contact usually, cause and only can possess quite small thermal source conduction surface between heat pipe and the heat dissipation base, thereby influence its thermal source conducting effect.

(3) radiating fin in the heat abstractor relies on heat dissipation base to be extended because of need and carries, cause and to do resilient distribution at the electronic component on the display card or its possible heating edge place to its radiating fin, but for example divide the block of radiating fin and elasticity distribution and be entrained between the electronic component on the display card.

(4) because heat abstractor needs all must rely on heavy and bulky heat dissipation base, to this, enough fastenings or engaging strength must be arranged on the display card, heat abstractor is closely engaged or be fastened on the display card, and be unlikely to be subjected to an external force when influencing when display card, cause heat abstractor to cause heat abstractor to break away from the position of the original setting of display card institute because of it rocks.This measure can make the pyrotoxin on the display card effectively dispel the heat by its heat abstractor usually, and easily might cause electronic component on the display card because of dispelling the heat not as good as causing damage.

(5) from above-mentioned prior art, heat abstractor mostly carries out its heat conduction and heat radiation action thereof for the pyrotoxin face on the display card, similarly is the pyrotoxin on the processor end face on the display card.The thermal source of hardly realizing display card also can produce part of heat energy from the another side on the display card, similarly is above-mentioned processor weld, and to this, how eliminating this thermal source also is a problem to be solved.

Summary of the invention:

Because above-mentioned the 1st disappearance putting forward prior art, heat abstractor of the present invention provides first kind of structural improvement, be applicable to that a display card and this display card have second plane on one first plane and corresponding first plane, can exempt the comparatively heavy heat dissipation base of bulky and weight in the prior art, make its heat abstractor have smaller size smaller and comparatively slim and graceful weight.Here the heat abstractor of being carried includes a plurality of radiating fins and a heat pipe.Wherein, heat pipe can be simultaneously as the heat conduction media and the bracing frame thereof of these plural radiating fins.Above-mentioned supporting way can be fixed in the outer wall place of heat pipe by one side end that these radiating fins had, and makes radiating fin can form a upright shape that extends respectively at the outer wall place of heat pipe.Perhaps, can and can cooperate a fixed leg to run through these radiating fins, make these radiating fins be fixed in the outer wall place of heat pipe by heat pipe.In addition, the heat abstractor of being carried here, because of no longer needing the heat dissipation base in the prior art, so radiating fin alternative of the present invention here is located on first plane or second plane of display card, and can see through above-mentioned heat pipe or cooperate at least one fixed leg to be around in these corresponding two interplanars of display card, be used as the support and the heat conduction media of these radiating fins.

Because the 2nd disappearance of above-mentioned prior art, heat abstractor of the present invention provides second kind of structural improvement, be applicable to that a display card and this display card have second plane on one first plane and corresponding first plane, can make that heat pipe runs through heat dissipation base in the prior art, change by also cooperating at least one fixed leg to run through these radiating fins heat pipe, the through part of heat pipe and radiating fin can be fitted tightly more, by this, its through part then can have the to a certain degree fitting area of size, make and to possess the to a certain degree heat-conducting area of size between heat pipe and the radiating fin, thereby can promote the effect of its thermal source conduction.In addition, second kind of structural improvement here being carried more can be incorporated on above-mentioned first kind of structural improvement, causes its heat pipe when running through or be fixed in radiating fin, and heat pipe and radiating fin through part or fixing position can more fit tightly.This measure, through part or fixing position can have the to a certain degree fitting area of size, make to possess the to a certain degree heat-conducting area of size between heat pipe and the radiating fin, thereby can promote the effect of its thermal source conduction.Here the heat abstractor of being carried includes a plurality of radiating fins and a heat pipe.When heat pipe can run through its radiating fin, these radiating fins respectively had a hole and these holes because of on the edge digging left hole sheet and still be connected in its hole.And when heat pipe runs through the hole of radiating fin, in the outer wall place that the hole sheet that these holes connected can fit on the heat pipe to be run through then.Or when heat pipe can be fixed in one side end of radiating fin, this limit end can extend a curved wing again, and the curved by this wing can make the limit end of these radiating fins fit in the required affixed outer wall place of heat pipe.

Because the 3rd disappearance of above-mentioned prior art, heat abstractor of the present invention provides the third structural improvement, be applicable to that a display card and this display card have second plane on one first plane and corresponding first plane, can exempt the heat dissipation base in the prior art, and radiating fin be divided into groups according to deviser's actual demand and two corresponding flats of display card are carried out subregion by above-mentioned first kind of structural improvement.This measure must make the distribution of these radiating fins do an effectively distribution.Here the heat abstractor of being carried includes one first heat radiation block, one second heat radiation block and a plurality of heat pipe at least.Wherein, the first heat radiation block can be located on first plane or second plane and on this block and can be provided with a plurality of first radiating fins.The second heat radiation block then can be located on first plane or second plane and on this block and can be provided with a plurality of second radiating fins.At this, these first radiating fins and the neither need of second radiating fin are formed on any heat dissipation base, and as above-mentioned first structural improvement, anticipating promptly to change by above-mentioned a plurality of heat pipes maybe can cooperate at least one fixed leg to come selectivity to be run through or affixed these first radiating fins and second radiating fin.

Because the 4th disappearance of above-mentioned prior art, heat abstractor of the present invention provides the 4th kind of structural improvement, be applicable to that a display card and this display card have second plane on one first plane and corresponding first plane, an one enough sealed and engaging strength can be provided, make heat abstractor be able to closely sealed and be sticked on the display card.The heat abstractor here includes a plurality of radiating fins, a back board structure and a heat pipe at least.Wherein, these radiating fins can be located on first plane.Back board structure then can be located on second plane and have at least one double-screw bolt and run through first plane from second plane, is locked in advance on second plane of display card for back board structure.In addition, heat pipe then can be located on first plane and run through these radiating fins.In addition, back board structure more can include a fastening component, and this fastening component can extend out from back board structure, and a buckling plate that is extended with radiating fin carries out its snap action by this.The back board structure here also applicable to as the heat abstractor that possesses heat dissipation base in the prior art or as above-mentioned first structural improvement in do not need the heat abstractor of heat dissipation base.When heat abstractor possessed heat dissipation base, back board structure then can directly see through above-mentioned double-screw bolt and run through first plane from second plane, and continuous nut by the above-mentioned double-screw bolt of correspondence is locked on heat dissipation base on first plane.In addition, when heat abstractor does not possess heat dissipation base, then can by the double-screw bolt of back board structure and the nut of correspondence thereof its back board structure be locked on second plane earlier, can cause back board structure can fasten these radiating fins again by above-mentioned fastening component and buckling plate then.Note that the back board structure here also can be used as a radiation panel, fastening component and buckling plate then can be a heat conductor.To this, during through above-mentioned double-screw bolt contact heat dissipation base or through above-mentioned fastening component and buckling plate contact radiating fin, then the part thermal source of heat abstractor can be directed to back board structure and dispel the heat.

Because the 5th disappearance of above-mentioned prior art, heat abstractor of the present invention provides the 5th kind of structural improvement, be applicable to that a display card and this display card have second plane on one first plane and corresponding first plane, can provide simultaneously on first plane and second plane on the thermal source of electronic component or its weld distribute processing.Here the heat abstractor of being carried includes a plurality of radiating fins and a back board structure at least.Wherein, a plurality of radiating fins can be located on first plane and can run through these radiating fins by a heat pipe.Back board structure then can be located on second plane and have at least one flange and fit in a pyrotoxin on second plane.In addition, back board structure can have a double-screw bolt and run through first plane and second plane, is locked on second plane for back board structure.Moreover, back board structure more comprise extend a fastening component from second plane around a buckling plate that fastens the corresponding extension of these radiating fins institute to first plane.The back board structure here is also applicable to as possessing the heat abstractor of heat dissipation base in the prior art, at this moment, back board structure then can directly see through above-mentioned double-screw bolt and run through first plane from second plane, continuous nut by the above-mentioned double-screw bolt of correspondence is locked on heat dissipation base on first plane, is locked on the display card for back board structure and heat dissipation base.

Understand and approval for the juror can be had further for the present invention, cooperate now graphic detailed description embodiments of the present invention as after.

Description of drawings:

Fig. 1 to Fig. 4 is the synoptic diagram of four kinds of heat abstractors of display card in the prior art;

Fig. 5 is a schematic perspective view of first kind of heat abstractor that structural improvement is carried of the present invention;

Fig. 6 is another schematic perspective view of first kind of heat abstractor that structural improvement is carried of the present invention;

Fig. 7 is a schematic perspective view of second kind of heat abstractor that structural improvement is carried of the present invention;

Fig. 8 is another schematic perspective view of second kind of heat abstractor that structural improvement is carried of the present invention;

Fig. 9 carries a schematic perspective view of a heat abstractor again for second kind of structural improvement of the present invention;

Figure 10 is a schematic perspective view of the present invention's heat abstractor that the third structural improvement is carried;

Figure 11 is a schematic perspective view of the 4th kind of heat abstractor that structural improvement is carried of the present invention;

Figure 12 is another schematic perspective view of the 4th kind of heat abstractor that structural improvement is carried of the present invention;

Figure 13 is a schematic perspective view of the 5th kind of heat abstractor that structural improvement is carried of the present invention;

Figure 14 is another schematic perspective view of the 5th kind of heat abstractor that structural improvement is carried of the present invention

Figure 15 is a schematic perspective view of the present invention's heat abstractor that the third structural improvement is carried.

The figure number explanation:

1: heat abstractor; 10: heat dissipation base;

11: radiating fin; 101: end face;

102: the bottom surface; 12: display card;

121: pyrotoxin; 2: heat abstractor;

20: heat pipe; 21: conducting strip;

3: heat abstractor; 30: the first heat dissipation bases;

301: the first radiating fins; 302: the bottom surface;

303: end face; 31: the second heat dissipation bases;

311: the second radiating fins; 312: the bottom surface;

4: heat abstractor; 40: the first heat pipes;

41: the second heat pipes; 5: heat abstractor;

50: radiating fin; 51: heat pipe;

511: fixed leg; 52: the first planes;

53: heat-conducting plate; 6: heat abstractor;

7: heat abstractor; 70: radiating fin;

701: hole; 702: the hole sheet;

703: the outer wall place; 71: the second planes;

711: pyrotoxin; 8: heat abstractor;

80: heat dissipation base; 9: heat abstractor;

90: the curved wing; 91: the outer wall place;

100: heat abstractor; 1001: the first heat radiation blocks;

1002: the second heat radiation blocks; 1003: the three heat radiation blocks;

1004: the hot-zone pieces that scatter; 1005: the first radiating fins;

1006: the second radiating fins; 1007: the three radiating fins;

1008: the hot fins that scatter; 1009: electronic component;

1101: radiating fin; 11011: buckling plate

1102: back board structure; 11021: double-screw bolt;

11022: fastening component; 11023: opening;

1301: back board structure; 13011: flange.

Embodiment:

Please refer to Fig. 5 is a schematic perspective view that the present invention is directed to above-mentioned first kind of heat abstractor that structural improvement is carried.In Fig. 5, heat abstractor 5 includes a plurality of radiating fins 50, a heat pipe 51 and at least one fixed leg 511.Wherein, these radiating fins 50 can be located on one first plane of a display card 12 52 and can utilize heat pipe 51 and can cooperate fixed leg 511 to run through these radiating fins 50, with the support fixation purposes as 50 of radiating fins.In addition, in Fig. 5,121 of radiating fin 50 and pyrotoxins then can see through a heat-conducting plate 53 and transmit thermal source.And radiating fin 50 will come from the thermal source of heat-conducting plate 53 then and run through around these radiating fins 50 with heat pipe 51, its thermal source can be conducted be distributed in to carry out its heat radiation action on each radiating fin 50.Moreover heat pipe 51 is more alternative to be surrounded on first plane 52 and second plane (figure does not show) of display card, is located on first plane 52 and second plane (figure does not show) for these radiating fin 50 selectivity.

Please refer to Fig. 6 is another schematic perspective view that the present invention is directed to above-mentioned first kind of heat abstractor that structural improvement is carried.In Fig. 6, heat abstractor 6 can include a plurality of radiating fins 50, a heat pipe 51 and at least one fixed leg 511.Yi Bian can having, 50 of these radiating fins hold 501 to be fixed on the outer wall of heat pipe 51 here.Wherein, can form a upright shape that extends on the outer wall of these radiating fins 50 and heat pipe 51.Moreover 511 of fixed legs can run through these radiating fins 50 has more firmly the connection relationship between the radiating fin 50.

Please refer to Fig. 7 is a schematic perspective view that the present invention is directed to above-mentioned second kind of heat abstractor that structural improvement is carried.In Fig. 7, heat abstractor 7 includes a plurality of radiating fins 70, a heat pipe 51 and at least one fixed leg 511.Wherein, can be provided with on each hot fin 70 on the edge of a hole 701 and this hole 701 and leave a corresponding hole sheet 702.Heat pipe 51 can run through these holes 701 then and these hole sheets 702 are fitted in the outer wall place 703 that heat pipe 51 run through.Here, 7 of heat abstractors can utilize a heat-conducting plate 53 to fit on the pyrotoxin 121 on first plane 52 of display card 12.In addition, heat pipe 51 is more alternative to be around on first plane 52 and second plane 71 of display card 12, is arranged on first plane 52 and second plane 71 for these radiating fin 70 selectivity.Moreover fixed leg 511 more can run through these radiating fins 70, makes firm more its connection relationship between the radiating fin 70.

Please refer to Fig. 8 is another schematic perspective view that the present invention is directed to above-mentioned second kind of heat abstractor that structural improvement is carried.In Fig. 8, heat abstractor 8 includes a heat dissipation base 80, a plurality of radiating fin 70 and a heat pipe 51.Wherein, heat dissipation base 80 can be according to deviser's design requirement, is located at it on first plane 52 of display card 12 or on second plane 71.These radiating fins 70 then can be located on the heat dissipation base 80 and form a upright shape that extends.In addition, these radiating fins 70, described as Fig. 7, an edge that can have a hole 701 and these holes 701 separately can leave a hole sheet 702.51 of heat pipes can run through these holes 701 causes these hole sheets 702 can fit in the outer wall place 703 of heat pipe 51.

Please refer to Fig. 9 is to the present invention is directed to the schematic perspective view that above-mentioned second kind of structural improvement carried a heat abstractor again.In Fig. 9, heat abstractor 9 includes a plurality of radiating fins 70, a heat pipe 51 and at least one fixed leg 511.These radiating fins 70 can be located on first plane of display card 12 52 and these radiating fins 70 have respectively on one side that end can be extended out a curved wing 90.51 of heat pipes can utilize these curved wings 90 to fit in the outer wall place 91 that heat pipe 51 connected and form a upright shape that extends.In addition, heat pipe 51 is more alternative to be around on first plane 52 and second plane 71 of display card 12, is arranged on first plane 52 and second plane 71 for these radiating fin 70 selectivity.In addition, 511 of fixed legs can run through these radiating fins 70 and make between the radiating fin 70 firm more its connection relationship.

Please refer to Figure 10 and Figure 15 is a schematic perspective view that the present invention is directed to heat abstractor that above-mentioned the third structural improvement is carried.In Figure 10, heat abstractor 100 includes one first heat radiation block 1001, one second heat radiation block 1002, one the 3rd heat radiation block 1003, one the scatter hot-zone piece 1004, a plurality of radiating tube 51 and plurality of fixed post 511.Wherein, above-mentioned heat radiation block 1001,1002,1003 and 1004 can be located at first plane 52 of display card 12 or go up on its second plane (figure does not show) and each 1001,1002,1003 and 1004 of block of heat radiation can have a plurality of first radiating fins 1005, a plurality of second radiating fin 1006, a plurality of the 3rd radiating fin 1007 and a plurality of the hot fin 1008 that scatters respectively.511 alternative radiating fins 1005,1006,1007 and 1008 that connect above-mentioned heat radiation block 1001,1002,1003 and 1004 of radiating tube 51 here and fixed leg.In addition, heat radiation block 1001,1002,1003 and 1004 described here more can carry out any grouping or subregion according to deviser's demand, similarly is that deviser's subregion can be avoided according to the ornaments position that similarly is electronic components 1009 such as electric capacity on the display card 12.In addition, but the heat radiation block optionally evagination in display card 12, heat radiation block 1002 as shown in figure 15.

Please refer to Figure 11 is a schematic perspective view that the present invention is directed to above-mentioned the 4th kind of heat abstractor that structural improvement is carried.In Figure 11, heat abstractor includes a plurality of radiating fins 1101, a back board structure 1102 and a heat pipe 51.Wherein, radiating fin 1101 can be located on first plane (figure does not show) of display card 12.1102 of back board structures can include an at least one double-screw bolt 11021 and a fastening component 11022.Heat pipe 51 then can cooperate at least one fixed leg 511 to run through these radiating fins 1101.In addition, back board structure 1102 can be located on second plane 71 of display card 12 and run through second plane 71 and first plane (figure does not show) of display card 12 by double-screw bolt 11021, after can being locked on second plane 71 in advance for back board structure 1102, the fastening component 11022 of satisfying by back board structure 1102 fastens with the buckling plate 11011 that radiating fin 1101 is extended.Moreover the deviser more can avoid required according to its ventilation or electronic component, is provided with at least one opening 11023 on back board structure 1102.

Please refer to Figure 12 is another schematic perspective view that the present invention is directed to above-mentioned the 4th kind of heat abstractor that structural improvement is carried.In Figure 12, heat abstractor includes a heat dissipation base 80, a plurality of radiating fin 1101, a back board structure 1102 and a heat pipe 51.Wherein, a upright extension shape is gone up and can be formed on these radiating fins 1,101 first plane (figure do not show) that can be located at display card 12 on heat dissipation base 80.112 of back board structures can include an at least one double-screw bolt 11021 and a fastening component 11022.And heat pipe 51 can cooperate at least one fixed leg 511 to run through these radiating fins 1101.In addition, 1102 of back board structures can be located on second plane 71 of display card 12 and can run through second plane 71 and first plane (figure does not show) of display card 12 by double-screw bolt 11021, and the nut (figure does not show) of satisfying by the above-mentioned double-screw bolt 11021 of correspondence is locked on (figure does not show) on first plane with heat dissipation base 80.In addition, the fastening component 11022 of back board structure 1102 more can fasten with the buckling plate 11011 that radiating bottom plate 80 is extended.Moreover the deviser more can be provided with at least one opening 11023 and satisfy the deviser and design and may the ventilation maybe may avoid the required of electronic component on back board structure 1102.

The back board structure 1102 that above-mentioned Figure 11 and Figure 12 carried also can be used as a radiation panel, and fastening component 11022 and buckling plate 11011 then can be a heat conductor.To this, see through the path contact heat dissipation base 80 of double-screw bolt 11021 or see through fastening component 1122 and buckling plate 1110 when being in contact with one another, then the part thermal source of heat abstractor can be directed to back board structure 1102 and dispel the heat.

Please refer to Figure 13 is a schematic perspective view that the present invention is directed to above-mentioned the 5th kind of heat abstractor that structural improvement is carried.In Figure 13, heat abstractor includes a plurality of radiating fins 1101, a heat pipe 51 and a back board structure 1301.Wherein, these radiating fins 1101 are located on first plane 52 and are seen through heat pipe 51 and run through affixed.Back board structure 1301 then is located on second plane 71 and have at least one flange 13011 and can fit at least one pyrotoxin 711 on second plane 71.In addition, back board structure 1301 as the described back board structure of Figure 11, can have a double-screw bolt (figure does not show) and run through second plane 71 and first plane 52, is locked on second plane 71 for back board structure 1301.Moreover, back board structure 1301, as the described back board structure of Figure 11, more can comprise extend a fastening component (figure does not show) from second plane 71 around fastening 1101 corresponding buckling plates that extend of these radiating fins (figure does not show) to first plane 52.

Please refer to Figure 14 is another schematic perspective view that the present invention is directed to above-mentioned the 5th kind of heat abstractor that structural improvement is carried.In Figure 14, heat abstractor includes a heat dissipation base 80, a plurality of radiating fin 1101, a heat pipe 51 and a back board structure 1301.Wherein, heat dissipation base 80 can be located at it on first plane 52 of display card 12 according to deviser's design requirement.These radiating fins 70 then can be located on the heat dissipation base 80 and form a upright shape that extends.In addition, these radiating fins 1101 more can run through heat conduction through heat pipe 51.In addition, 131 of back board structures are located on second plane 71 and have at least one flange 13011 and fit at least one pyrotoxin 711 on second plane 71.In addition, back board structure 1301 as the described back board structure of Figure 12, can have a double-screw bolt (figure does not show) and run through second plane 71 and first plane 52, is locked on second plane 71 for back board structure 131.Moreover, back board structure 1301, as the described back board structure of Figure 12, more can comprise extend a fastening component (figure does not show) from second plane 71 around fastening 80 corresponding buckling plates that extend of heat dissipation bases (figure does not show) to first plane 52.

The above is to utilize preferred embodiment to describe the present invention in detail, but not limits the scope of the invention.Generally know this type of skill personage and all can understand, suitably do slightly change and adjustment, will not lose main idea of the present invention place, also do not break away from the spirit and scope of the present invention.

Claims (10)

1, a kind of heat abstractor is used for a display card and this display card and has corresponding one first plane and one second plane, and this heat abstractor comprises:

A plurality of radiating fins are located on this first plane and are had a buckling plate;

One back board structure is located on this second plane and is had at least one double-screw bolt and runs through this first plane and this second plane, after on sealed in advance this second plane of this back board structure, then extends a fastening component by this back board structure and fastens this buckling plate.

2, as the 1st described heat abstractor of claim, it is characterized in that this heat abstractor more comprises a heat pipe, be located on this first plane and run through or affixed those radiating fins.

3, as the 1st described heat abstractor of claim, it is characterized in that, this back board structure is that a radiation panel and this fastening component are a heat conductor, satisfies the part of heat energy of guiding those radiating fins by this fastening component and carry out a heat radiation action to this radiation panel.

4, a kind of heat abstractor is used for a display card and this display card and has corresponding one first plane and one second plane, and this heat abstractor comprises:

One heat dissipation base is located on this first plane;

A plurality of radiating fins uprightly extend on this heat dissipation base;

One back board structure is located on this second plane and is had a double-screw bolt and runs through this first plane and this second plane, supplies sealed this heat dissipation base of this back board structure on this display card.

As the 4th described heat abstractor of claim, it is characterized in that 5, this back board structure comprises and extends a fastening component and fasten this heat dissipation base to should heat dissipation base extending a buckling plate on this display card for this back board structure.

6, as the 4th described heat abstractor of claim, it is characterized in that this heat abstractor more comprises a heat pipe, be located on this first plane and run through those radiating fins.

7, as the 4th described heat abstractor of claim, it is characterized in that, this back board structure is that a radiation panel and this fastening component are a heat conductor, satisfies the part of heat energy of guiding those radiating fins by this fastening component and carry out a heat radiation action to this radiation panel.

8, a kind of heat abstractor is used for a display card and this display card and has corresponding one first plane and one second plane, and this heat abstractor comprises:

A plurality of radiating fins are located on this first plane;

One heat pipe is located on this first plane and is run through those radiating fins, for affixed usefulness between those radiating fins;

One back board structure is located on this second plane and is had a double-screw bolt and runs through this second plane and this first plane, supplies sealed those radiating fins of this back board structure on this display card.

9, as the 8th described heat abstractor of claim, it is characterized in that this heat abstractor more comprises a fixed leg and runs through those radiating fins.

10, as the 8th described heat abstractor of claim, it is characterized in that, this back board structure is that a radiation panel and this fastening component are a heat conductor, satisfies the part of heat energy of guiding those radiating fins by this fastening component and carry out a heat radiation action to this radiation panel.

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