CN201555483U - Radiator and radiating fins thereof - Google Patents
Radiator and radiating fins thereof Download PDFInfo
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- CN201555483U CN201555483U CN2009202786704U CN200920278670U CN201555483U CN 201555483 U CN201555483 U CN 201555483U CN 2009202786704 U CN2009202786704 U CN 2009202786704U CN 200920278670 U CN200920278670 U CN 200920278670U CN 201555483 U CN201555483 U CN 201555483U
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Abstract
The utility model discloses a radiator and radiating fins thereof. In particularly, the radiator comprises a seat, at least one heat pipe, a plurality of first radiating fins and a plurality of second radiating fins. The at least one heat pipe is arranged on the seat. Each of the plurality of first radiating fins comprises at least one first through hole for the at least one heat pipe to penetrate through, the plurality of second radiating fins and the plurality of first radiating fins are in stacked arranged in a staggering manner at intervals and assembled on the at least one heat pipe, each of the plurality of second radiating fins includes at least one second through hole for the at least one heat pipe to penetrate through, two adjacent side edges and a first cut edge connected between the two side edges, and the cut edges can lead the plurality of second radiating fins to have area smaller than the plurality of first radiating fins. The radiator and the radiating fins thereof are capable of lowering flow-field resistance to increase flow power of wind passing the radiator so as to improve heat dissipation efficiency, and reducing overall weight of the radiator.
Description
Technical field
The utility model relates to a kind of radiator and radiating fin thereof, and particularly a kind of difform radiating fin adopts the alternating expression radiator and the radiating fin thereof of stack arrangement at interval.
Background technology
Because the increase of the operating rate of the electronic building brick in the computer system (as central processing unit or work chip), the heat that is produced during its work also increases thereupon, in order effectively to promote the radiating efficiency of radiator, the method for some improvement is that the quantity of the radiating fin of radiator and area are increased.Yet, the quantity of increase radiating fin and area are except meeting makes that the overall weight of radiator increases, also can cause the increase of flow field impedance, make wind that radiator fan provided can reduce by the flow of radiator, reduce the radiating efficiency of radiator on the contrary, therefore, must improve radiating fan rotation speed simultaneously and overcome the problem that flow reduces, but improve the increase that rotation speed of the fan then can cause noise.
As shown in Figures 1 and 2, the multi-disc radiating fin 11 of radiator 1 stacks together normally spaced apartly, and be arranged on the heat pipe 12 that is assembled in pedestal 10, and each radiating fin 11 all is the shape (for example rectangle) that is identical at present.Because when heat pipe 12 transmits heat to radiating fin 11, because of heat is difficult for being transmitted to part fin portion 111 (for example upper left corner of radiating fin 11 and the lower right corner among Fig. 2) away from heat pipe 12, and part fin portion 111 temperature can be lower than near part fin portion 112 temperature around the heat pipe 12, make that part fin portion 111 heat-conducting effect are not good and radiating efficiency is poor.Moreover, part fin portion 111 away from heat pipe 12 also is one of source of causing the flow field impedance, flow can reduce when making wind that radiator fan (figure do not show) provided by the radiating fin 11 of direction shown in the arrow by radiator 1, and then reduces the radiating efficiency of radiator 1.
As shown in Figure 3, Fig. 3 is distinguished and admirable behind radiator 1 for what radiator fan provided, the comparison sheet of the various simulation values that calculate via numerical simulation.By learning among Fig. 3 that when the wind flow of passing through radiator 1 was big more, thermal resistance value and flow resistance value (being the flow field impedance) can be more little.Radiating efficiency parameter η=1/ (thermal resistance value * flow resistance value) of definition radiator 1, under the more little situation of thermal resistance value and flow resistance value, radiating efficiency parameter η can be big more, represents the radiating efficiency of radiator 1 high more.Can learn under different environmental conditions that by Fig. 3 the radiating efficiency parameter η of radiator 1 can change along with the difference of thermal resistance value and flow resistance value.
The utility model content
Main purpose of the present utility model is to provide a kind of radiator, adopts the alternating expression design of stack arrangement at interval by difform radiating fin, can reduce the flow field impedance of radiator, with the wind flow of lifting by radiator, and then improves radiating efficiency.
Another purpose of the present utility model is to provide a kind of radiator, by having the radiating fin design of side cut, can reduce the overall weight of radiator and the use of material.
Another purpose of the present utility model is to provide a kind of radiating fin, by having the design of side cut, can reduce the impedance of radiator flow field and can reduce weight.
The purpose of this utility model and solution prior art problem adopt following technological means to realize.
According to radiator disclosed in the utility model, this radiator comprises a pedestal, at least one heat pipe, multi-disc first radiating fin, and multi-disc second radiating fin, heat pipe is arranged on the pedestal, each first radiating fin comprises first perforation that at least one heating tube wears, described second radiating fin and described first radiating fin are alternating expression and are assembled on the heat pipe to stack arrangement at interval, each second radiating fin comprises second perforation that at least one heating tube wears, two adjacent sides, and one be connected in first between the dual side-edge and cut edge, and makes each second radiating fin area less than each first radiating fin area.
The beeline of the side that the beeline that the second perforation distance first is cut edge and the second perforation distance and first side cut are adjacent is identical, make the heat of heat pipe conduct to side and first speed of cutting edge is roughly the same, by this, can promote the heat conduction and the radiating effect of second radiating fin.
Described first, second radiating fin defines an air intake jointly, and first of each second radiating fin is cut edge and is positioned at air intake.Described first, second radiating fin defines an outlet air end that is positioned at the air intake opposition side jointly, each second radiating fin also comprises in addition two adjacent sides, and one be connected between other dual side-edge and be positioned at second of outlet air end and cut edge, by this, can reduce the flow field impedance, to promote the efficient of heat radiation.
The beeline of the side that the beeline that the second perforation distance first is cut edge and the second perforation distance and first side cut are adjacent is identical, the beeline of the side that the beeline that the second perforation distance second is cut edge and the second perforation distance and second side cut are adjacent is identical, make the heat of heat pipe conduct to side and first speed of cutting edge is roughly the same, and the heat of heat pipe conducts to side and second speed of cutting edge is also roughly the same, by this, can promote the heat conduction and the radiating effect of second radiating fin.
First radiating fin is rectangular, and second radiating fin is polygon.
In design, be provided with one second radiating fin between per two first radiating fins, or be provided with at least two second radiating fins between per two first radiating fins, can both reach and reduce the flow field impedance to promote radiating efficiency.
According to radiating fin disclosed in the utility model, comprise a perforation, two adjacent sides, and one is connected in first between the dual side-edge and cuts edge.
The beeline of the side that beeline that the distance of boring a hole first is cut edge and perforation distance and first side cut are adjacent is identical.
Radiating fin also comprises in addition two adjacent sides, and one is connected between other dual side-edge and is positioned at second of the first side cut opposite side and cuts edge.The beeline of the side that beeline that the distance of boring a hole second is cut edge and perforation distance and second side cut are adjacent is identical.
According to radiator disclosed in the utility model, this radiator comprises a pedestal, two heat pipes, multi-disc first radiating fin, and multi-disc second radiating fin, heat pipe is arranged on the pedestal, each first radiating fin comprises two first perforation that wear for two heat pipes respectively, described second radiating fin and described first radiating fin are alternating expression and are assembled on two heat pipes to stack arrangement at interval, each second radiating fin comprises second perforation that supplies each heat pipe to wear, and each second radiating fin area is less than each first radiating fin area, be provided with at least two second radiating fins that are arranged in respectively on two heat pipes between per 2 first radiating fins, define an airflow path between 2 second radiating fins.
By above-mentioned technological means, the advantage and the effect of the utility model radiator are, being alternating expression by difform first, second radiating fin is assembled on the heat pipe to stack arrangement at interval, the area of each second radiating fin can be near heat pipe less than area and each second radiating fin outer side edges of each first radiating fin, by this, can reduce the flow field impedance of radiator, the flow that makes wind pass through radiator can more increase, to increase radiating efficiency.Moreover, can reduce the weight of radiator.
Description of drawings
Fig. 1 is the stereogram of known radiator;
Fig. 2 is the vertical view of known radiator, illustrates that the shape of each radiating fin is all identical;
Fig. 3 is the comparison sheet of simulation value, and it is distinguished and admirable behind known radiator to illustrate that radiator fan provides, the various simulation values that calculate via numerical simulation;
Fig. 4 is that first preferred embodiment of the utility model radiator is assembled in the stereogram on the motherboard;
Fig. 5 is that first preferred embodiment of the utility model radiator is assembled in the side view on the motherboard;
Fig. 6 is the vertical view of first preferred embodiment of the utility model radiator;
Fig. 7 is the vertical view of first radiating fin of first preferred embodiment of the utility model radiator;
Fig. 8 is the vertical view of second radiating fin of first preferred embodiment of the utility model radiator;
Fig. 9 is the comparison sheet of simulation value, and it is distinguished and admirable after first preferred embodiment of the utility model radiator to illustrate that radiator fan provides, the various simulation values that calculate via numerical simulation;
Figure 10 is the curve map that the radiating efficiency parameter of first preferred embodiment of the utility model radiator is compared with the radiating efficiency parameter of the radiator of prior art;
Figure 11 is the vertical view of another embodiment of second radiating fin of first preferred embodiment of the utility model radiator;
Figure 12 is the stereogram of another embodiment of first preferred embodiment of the utility model radiator, illustrates between per 2 first radiating fins to be provided with 2 second radiating fins;
Figure 13 is the stereogram of another embodiment of first preferred embodiment of the utility model radiator, illustrates that heat pipe quantity is one, and first, second the number of holes of first, second radiating fin is one;
Figure 14 is the vertical view of second radiating fin of another embodiment of first preferred embodiment of the utility model radiator;
Figure 15 is that second preferred embodiment of the utility model radiator is assembled in the stereogram on the motherboard;
Figure 16 is the vertical view of second preferred embodiment of the utility model radiator;
Figure 17 is that the 3rd preferred embodiment of the utility model radiator is assembled in the stereogram on the motherboard;
Figure 18 is the vertical view of the 3rd preferred embodiment of the utility model radiator; And
Figure 19 is the vertical view of second radiating fin of the 3rd preferred embodiment of the utility model radiator.
The primary clustering symbol description:
(known) 5 first radiating fins
51 first perforation of 1 radiator
10 pedestals, 511,611 large aperture portions
11 radiating fins, 512,612 small-bore portions
111,112 part fin portions 6,6 ', 6 " second radiating fins
12 heat pipes, 62,63 sides
(the utility model) 64 first cut edge
21 motherboards, 65,66 sides
211 chips 67 second are cut edge
300 radiators, 68 airflow path
310,320 radiators, 7 locked mechanisms
3 pedestal I arrows
4 heat pipe L1, L2 beeline
501 air intake L3, L4 beeline
502 outlet air ends
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of following cooperation three preferred embodiments with reference to the accompanying drawings, can clearly present.Explanation by the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended accompanying drawing only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Before the utility model is described in detail, be noted that in the following description content similarly assembly is to represent with identical numbering.
As Fig. 4 and shown in Figure 5, it is first preferred embodiment of the utility model radiator, this radiator 300 is to be applied to server, radiator 300 is in order to be installed on the motherboard 21, so that the chip on the motherboard 21 211 is dispelled the heat, in the present embodiment, chip 211 is to be that example explains with the central processing unit.
As Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, radiator 300 comprises a pedestal 3, many heat pipes 4, multi-disc first radiating fin 5 and multi-disc second radiating fins 6, pedestal 3, heat pipe 4 and first, second radiating fin 5,6 all are made by thermal conductivity good metal material, as materials such as copper or aluminium.Described heat pipe 4 is welded in pedestal 3 end faces spacedly, and pedestal 3 can make that pedestal 3 bottom surfaces can be closely sturdy in chip 211 end faces by many group locked mechanism 7 lockings on motherboard 21.Described first, second radiating fin 5,6 is alternating expression and is assembled on the heat pipe 4 to stack arrangement at interval, be provided with one second radiating fin 6 between per two first radiating fins 5, each first radiating fin 5 is rectangular, it comprises a plurality of first perforation 51 that wear for described heat pipe 4 of using, in the present embodiment, first perforation 51 has the large aperture portion 511 that a heating tube 4 wears, and a small-bore portion 512 that is communicated with large aperture portion 511.Each second radiating fin 6 comprises a plurality of second perforation 61 that wear for described heat pipe 4 of using, each second perforation 61 is corresponding and have a large aperture portion 611 that a heating tube 4 wears with each first 51 position of boring a hole, an and small-bore portion 612 that is communicated with large aperture portion 611, small-bore portion 512,612 usefulness of first, second perforation 51,61 are for injecting scolding tin, by this, make first, second radiating fin 5,6 to be fixed on the heat pipe 4 by welding manner.
First, second radiating fin 5,6 defines an air intake 501 jointly, an and outlet air end 502 that is positioned at air intake 501 opposition sides, the wind energy that radiator fan (figure does not show) is provided flows between first, second radiating fin 5,6 and via outlet air end 502 via air intake 501 and flows out, by this, can cool off heat pipe 4 and first, second radiating fin 5,6, and the heat that can effectively chip 211 be conducted on heat pipe 4 and first, second radiating fin 5,6 is derived.
In order to reduce the flow field impedance of radiator 300, make wind that radiator fan provided can increase by the flow of radiator 300, in the present embodiment, second radiating fin 6 is to be polygon, it comprises two adjacent sides 62,63, and one is connected in the side cut of first between the side 62,63 64.First side cut 64 is to be positioned at air intake 501 places, and near boring a hole 61 in second of side 62 and first side cut, 64 junctions, the beeline L1 of its distance first side cut 64 only is slightly larger than the beeline L2 apart from side 62, make the heat pipe 4 that is arranged in this second perforation 61 heat can be conducted to equably side 62 and first and cut edge 64, by this, can reduce the flow field impedance, the flow that makes wind pass through radiator 300 can increase, to promote the efficient of heat radiation.Preferably, for the flow field impedance that makes radiator 300 can more reduce, second radiating fin 6 two is provided with one second and cuts edge 67 respectively with between the side 65,66 that side 62,63 is connected at other.Second side cut 67 connects sides 65,66 and is positioned at outlet air end 502 places, and near boring a hole 61 in second of side 66 and second side cut, 67 junctions, the beeline L3 of its distance second side cut 67 only is slightly larger than the beeline L4 apart from side 66, make the heat pipe 4 that is arranged in this second perforation 61 heat can be conducted to equably side 66 and second and cut edge 67, by this, can more reduce the flow field impedance of radiator 300, the flow that makes wind pass through radiator 300 can more increase.
What specify is that the manufacture of second radiating fin 6 of present embodiment can be to make by mould to form one-body moldedly, makes second radiating fin 6 have first, second after moulding and cuts edge 64,67.Or will cut than the part fin portion away from heat pipe 4 (or first perforation 51 that supplies this heat pipe to wear) in first radiating fin 5, to mold second radiating fin 6 with first, second side cut 64,67.By cut edge 64,67 design of first, second of each second radiating fin 6, the area of feasible each second radiating fin 6 is less than the area of each first radiating fin 5, by this, under prior art is compared, can reduce the overall weight of radiator 300 and the use of fin material.
As Fig. 5, Fig. 6, Fig. 9 and shown in Figure 10, Fig. 9 is for after the wind that radiator fan provided flows through radiator 300 along arrow I direction, the comparison sheet of the various simulation values that calculate via numerical simulation, and the curve map that Figure 10 is the radiating efficiency parameter of the radiator 300 of present embodiment to compare with the radiating efficiency parameter of the radiator 1 of prior art.Thermal resistance value among Fig. 9=(chip surface temperature-EAT)/heat radiation wattage, wherein, when the chip surface temperature is meant chip 211 work by measurement on the outer surface to temperature, EAT is meant in air intake 501 places of radiator 300 the distinguished and admirable temperature that is provided by radiator fan is provided, and the heat radiation wattage is meant the power that chip 211 is produced when working, the heat-sinking capability and the thermal resistance value of radiator 300 are inversely proportional to, and low more expression radiator 300 heat dissipations of thermal resistance value are good more.Pressure differential/flow square before and after the flow resistance value among Fig. 9 (being the flow field impedance)=radiator, wherein, the flow of the radiator 300 of flowing through and flow resistance value are the relations of being inversely proportional to, the flow that radiator 300 is passed through in the low more expression of flow resistance value is high more.Radiating efficiency parameter η=1/ (thermal resistance value * flow resistance value) of definition radiator 300, the radiating efficiency parameter η of radiator 300 can change along with the difference of thermal resistance value and flow resistance value, and the high more expression radiator 300 of radiating efficiency parameter η its radiating efficiency under certain environmental conditions is high more.
By the comparison of Fig. 3 and Fig. 9, Figure 10, under all identical prerequisite of each group flow, EAT and heat radiation wattage numerical value, be that every numerical value that example was measured compares explanation with flow 30CFM (cubic feet per minute).Though the thermal resistance value 0.202C/W that radiator 300 is measured is slightly larger than the thermal resistance value 0.199C/W of radiator 1, but the front and back pressure differential of radiator 300 (being the pressure differential at air intake 501 and outlet air end 502 places) 12.02Pa is less than the front and back pressure differential 13.14Pa of radiator 1, and the flow resistance value 0.0134Pa/CFM of radiator 300
2Also less than the flow resistance value 0.0146Pa/CFM of radiator 1
2Though the thermal resistance value of radiator 300 is slightly larger than the thermal resistance value of radiator 1, but the flow resistance value of radiator 300 can significantly reduce, make the radiating efficiency parameter 371.5 of radiator 300 greater than the radiating efficiency parameter 343.8 of radiator 1, by this, flow by radiator 300 can significantly promote, make distinguished and admirable can be with heat pipe 4, and the more heats on first, second radiating fin 5,6 derive, to promote the efficient of heat radiation.Moreover not needing increases flow by radiator 300 by improving radiating fan rotation speed, the flow by radiator 300 is increased, so can not cause the noise increase of radiator fan.
As Fig. 1 and shown in Figure 4, pedestal 10, heat pipe 12, radiating fin 11 weight with radiator 1 are identical respectively to suppose pedestal 3, heat pipe 4, first radiating fin 5 of radiator 300.Radiating fin 11 by radiator 1 is provided with first of quantity and radiator 300, second radiating fin 5,6 are provided with quantity is all the example explanation of making comparisons mutually, for example the quantity of radiating fin 11 is 37, its gross weight is about 315 grams, first, second radiating fin 5,6 total quantity is 37 altogether, its gross weight is about 300 grams, by first of second radiating fin 6, second cuts edge 64,67 designs, make the area of second radiating fin 6 less than the area of first radiating fin 5, by this, can reduce the gross weight of integral heat sink fin, to reach the purpose of loss of weight, make when radiator 300 is assembled in the server, can reduce on the server in order to support structure (for example motherboard 21) load of radiator 300.
As shown in figure 11, for the heat conduction and the radiating effect that make second radiating fin 6 better, best, in the present embodiment, the beeline L1 of second perforation, 61 distances, first side cut 64 of close side 62 and first side cut, 64 junctions, 61 identical with this second perforation, and near side 66 and second cut edge 67 the beeline L3 of second perforation, 61 distances second of 67 junctions that cut edge apart from the beeline L2 of side 62, with this second bore a hole 61 identical apart from the beeline L4 of side 66.It is roughly the same to make the heat of heat pipe 4 conduct to cut edge 64 speed of side 62 and first, and that the heat of another heat pipe 4 conducts to cut edge 67 speed of side 66 and second is also roughly the same, by this, can promote the heat conduction and the radiating effect of second radiating fin 6, avoid producing as portion's heat conduction of part fin and the not good situation of radiating effect away from heat pipe in the prior art.
It should be noted that, in the present embodiment, though the arrangement mode of first, second radiating fin 5,6 is to be example to be provided with one second radiating fin 6 between per two first radiating fins 5 as shown in Figure 4, but during practical application, also can between per two first radiating fins 5, establish two second radiating fins 6, or establish second radiating fin 6 more than two as illustrated in fig. 12, can reach equally and make the effect that significantly promotes and increase radiating efficiency by the flow of radiator 300.Moreover as Figure 13 and shown in Figure 14, radiator 300 also can only design a heat pipe 4 separately when design, and first, second radiating fin 5,6 can only be established first, second perforation 51,61 respectively and wear for this heat pipe 4.Best, the beeline L1 of second perforation, 61 distances, first side cut 64 of second radiating fin 6, the 61 beeline L2 apart from side 62 can be designed to identical with second perforation, and the beeline L3 of second perforation, 61 distances, second side cut 67, with second the perforation 61 beeline L4 apart from side 66 also can be designed to identical, with heat conduction and the radiating effect that promotes second radiating fin 6.
As Figure 15 and shown in Figure 16, be second preferred embodiment of the utility model radiator, the overall structure of radiator 310 is roughly identical with first preferred embodiment, difference be second radiating fin 6 ' design different.
As Figure 17 and shown in Figure 180, be the 3rd preferred embodiment of the utility model radiator, the overall structure of radiator 320 is roughly identical with second preferred embodiment, difference is second radiating fin 6 " design different.
Second radiating fin 6 " shape be similar to second radiating fin, 6 shapes in first preferred embodiment, but second radiating fin 6 " area is less than second radiating fin, 6 areas.Flow out in the airflow path 68 between each second radiating fin 6 " comprises that one is positioned at first of air intake 501 and cuts edge 64; and one be positioned at second of outlet air end 502 and cut edge 67; wind energy that radiator fan provided flows into two second radiating fins 6 by air intake 501 " and through outlet air end 502, by this, make flow can significantly promote and increase radiating efficiency by radiator 320.Best, as shown in figure 19, second radiating fin 6 " cut edge 64 beeline L1 of second perforation, 61 distances first; the 61 beeline L2 apart from side 62 can be designed to identical with second perforation; and cut edge 67 beeline L3 of second perforation, 61 distances second; with second perforation, 61 beeline L4 apart from side 66 also can be designed to identical, to promote second radiating fin 6 " heat conduction and radiating effect.
Conclude above-mentioned, the radiator 300,310,320 of each embodiment, by difform first, second radiating fin 5,6,6 ', 6 " being alternating expression is assembled on the heat pipe 4 to stack arrangement at interval; each second radiating fin 6,6 ', 6 " area less than the area of each first radiating fin 5 and each second radiating fin 6,6 ', 6 " outer side edges can be near heat pipe 4; by this; can reduce the flow field impedance of radiator 300,310,320; flow that makes wind pass through radiator 300,310,320 can more increase, with the increase radiating efficiency.Moreover, can reduce the weight of radiator 300,310,320, to reach the purpose of loss of weight, can reach the purpose of the utility model institute demand really.
The above person of thought, it only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, be every simple equivalent variations and modification of being done according to the scope and the utility model description of the utility model claims, all still belong in the scope that the utility model patent contains.
Claims (21)
1. radiator, this radiator comprises:
One pedestal; And
At least one heat pipe is arranged on this pedestal;
It is characterized in that this radiator also comprises:
Multi-disc first radiating fin, respectively this first radiating fin comprises first perforation that this heat pipe of at least one confession wears; And
Multi-disc second radiating fin, being alternating expression with described first radiating fin is assembled on this heat pipe to stack arrangement at interval, respectively this second radiating fin comprises second perforation that this heat pipe of at least one confession wears, two adjacent sides, and one be connected in first between this dual side-edge and cut edge, and makes respectively this second radiating fin area less than this first radiating fin area respectively.
2. radiator according to claim 1 is characterized in that, the beeline of the side that this second perforation is adjacent apart from this first beeline of cutting edge and this second perforation distance and this first side cut is identical.
3. radiator according to claim 1 is characterized in that, described first, second radiating fin defines an air intake jointly, and respectively this first side cut of this second radiating fin is positioned at this air intake.
4. radiator according to claim 3, it is characterized in that, described first, second radiating fin defines an outlet air end that is positioned at this air intake opposition side jointly, respectively this second radiating fin also comprises in addition two adjacent sides, and one is connected in this in addition between dual side-edge and be positioned at second of this outlet air end and cut edge.
5. radiator according to claim 4, it is characterized in that, the beeline of the side that this second perforation is adjacent apart from this first beeline of cutting edge and this second perforation distance and this first side cut is identical, and the beeline of the side that this second perforation is adjacent apart from this second beeline of cutting edge and this second perforation distance and this second side cut is identical.
6. radiator according to claim 4 is characterized in that, this first radiating fin is rectangular, and this second radiating fin is polygon.
7. radiator according to claim 1 is characterized in that, is provided with one second radiating fin between per two first radiating fins.
8. radiator according to claim 1 is characterized in that, is provided with at least two second radiating fins between per two first radiating fins.
9. radiator according to claim 1, it is characterized in that, this radiator comprises the many heat pipes that are arranged on this pedestal, and respectively this first radiating fin comprises first perforation that the described heat pipe of a plurality of confessions wears, and respectively this second radiating fin comprises second perforation that the described heat pipe of a plurality of confessions wears.
10. radiator according to claim 9 is characterized in that, described first, second radiating fin defines an air intake jointly, and respectively this first side cut of this second radiating fin is positioned at this air intake.
11. radiator according to claim 10, it is characterized in that, described first, second radiating fin defines an outlet air end that is positioned at this air intake opposition side jointly, respectively this second radiating fin also comprises in addition two adjacent sides, and one is connected in this in addition between dual side-edge and be positioned at second of this outlet air end and cut edge.
12. radiator according to claim 11, it is characterized in that, the beeline of the side that this second perforation is adjacent apart from this first beeline of cutting edge and this second perforation distance and this first side cut is identical, and the beeline of the side that this second perforation is adjacent apart from this second beeline of cutting edge and this second perforation distance and this second side cut is identical.
13. radiator according to claim 11 is characterized in that, this first radiating fin is rectangular, and this second radiating fin is polygon.
14. a radiating fin is characterized in that, this radiating fin comprises:
One perforation;
Two adjacent sides; And
One is connected in first between this dual side-edge cuts edge.
15. radiating fin according to claim 14 is characterized in that, the beeline of the side that this perforation is adjacent apart from this first beeline of cutting edge and this perforation distance and this first side cut is identical.
16. radiating fin according to claim 14 is characterized in that, this radiating fin also comprises in addition two adjacent sides, and one is connected in this in addition between dual side-edge and be positioned at second of this first side cut opposite side and cut edge.
17. radiating fin according to claim 16 is characterized in that, the beeline of the side that this perforation is adjacent apart from this second beeline of cutting edge and this perforation distance and this second side cut is identical.
18. a radiator, this radiator comprises:
One pedestal; And
Two heat pipes, this heat pipe are arranged on this pedestal;
It is characterized in that this radiator also comprises:
Multi-disc first radiating fin, respectively this first radiating fin comprises two first perforation that wear for this two heat pipe respectively; And
Multi-disc second radiating fin, being alternating expression with described first radiating fin is assembled on this two heat pipe to stack arrangement at interval, respectively this second radiating fin comprises second perforation that wears for this heat pipe respectively, and respectively this second radiating fin area is less than this first radiating fin area respectively, be provided with at least two second radiating fins that are arranged in respectively on this two heat pipe between per 2 first radiating fins, define an airflow path between this 2 second radiating fin.
19. radiator according to claim 18, it is characterized in that, respectively this second radiating fin also comprises two adjacent sides, and one be connected in first between this dual side-edge and cut edge, described first, second radiating fin defines an air intake jointly, and respectively this first side cut of this second radiating fin is positioned at this air intake.
20. radiator according to claim 19, it is characterized in that, described first, second radiating fin defines an outlet air end that is positioned at this air intake opposition side jointly, respectively this second radiating fin also comprises in addition two adjacent sides, and one is connected in this in addition between dual side-edge and be positioned at second of this outlet air end and cut edge.
21. radiator according to claim 20, it is characterized in that, the beeline of the side that this second perforation is adjacent apart from this first beeline of cutting edge and this second perforation distance and this first side cut is identical, and the beeline of the side that this second perforation is adjacent apart from this second beeline of cutting edge and this second perforation distance and this second side cut is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202786704U CN201555483U (en) | 2009-11-05 | 2009-11-05 | Radiator and radiating fins thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202786704U CN201555483U (en) | 2009-11-05 | 2009-11-05 | Radiator and radiating fins thereof |
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| Publication Number | Publication Date |
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| CN201555483U true CN201555483U (en) | 2010-08-18 |
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| CN2009202786704U Expired - Lifetime CN201555483U (en) | 2009-11-05 | 2009-11-05 | Radiator and radiating fins thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781324A (en) * | 2012-10-22 | 2014-05-07 | 英业达科技有限公司 | Heat radiation device and electronic device |
-
2009
- 2009-11-05 CN CN2009202786704U patent/CN201555483U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781324A (en) * | 2012-10-22 | 2014-05-07 | 英业达科技有限公司 | Heat radiation device and electronic device |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20100818 |