CN201153361Y - Heat radiator - Google Patents
Heat radiator Download PDFInfo
- Publication number
- CN201153361Y CN201153361Y CNU2008200012259U CN200820001225U CN201153361Y CN 201153361 Y CN201153361 Y CN 201153361Y CN U2008200012259 U CNU2008200012259 U CN U2008200012259U CN 200820001225 U CN200820001225 U CN 200820001225U CN 201153361 Y CN201153361 Y CN 201153361Y
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- star
- pedestal
- radiator
- shaped groove
- heat pipe
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Abstract
The utility model relates to a radiator which comprises a foundation bed, an S-shaped heat pipe and a plurality of cooling plates, wherein, the foundation bed is provided with a first side face and a second side face, which are opposite to each other, and the first side face of the foundation bed is provided with an S-shaped groove; the S-shaped heat pipe is correspondingly arranged in the S-shaped groove; the cooling plates are arranged on the first side face of the foundation bed. The first side face of the foundation bed is also provided with a U-shaped groove, and the opening of the U-shaped groove faces to one of the two openings of the S-shaped groove so as to close one opening of the S-shaped groove. The radiator also comprises a U-shaped heat pipe which is correspondingly arranged in the U-shaped groove. The S-shaped heat pipe and the U-shaped heat pipe can fast conduct the heat quantity accumulated at the center of the foundation bed to the edge of the foundation bed, and then the heat quantity is radiated out through the cooling plates arranged at the edge position of the foundation bed, thereby more effectively improving the radiating efficiency of the radiator.
Description
Technical field
The utility model relates to a kind of radiator that is used to pyrotoxin (for example electronic component) heat radiation that is arranged on its bottom surface, relates in particular to a kind of radiator that has than high cooling efficiency.
Background technology
At present, be used to the radiator of electronic component (for example CPU) heat radiation, adopt pedestal more as the conducting-heat elements that contacts with electronic component.When pedestal contacts with electronic component, because electronic component only contacts with the bottom surface central authorities of pedestal, and general pedestal adopts aluminium to make more, so its capacity of heat transmission is limited, the heat that electronic component produced promptly can't be transmitted to whole pedestal by pedestal central authorities, cause near the temperature of the fin of pedestal central authorities very high, and lower near the heatsink temperature of susceptor edges, the fin that can't make full use of the edge dispels the heat, and causes the radiator integral radiating efficiency lower.
For improve the radiating efficiency of radiator by the thermal conductivity that improves pedestal, industry normally changes whole aluminum base into the pedestal of being made by the higher copper material of thermal conductivity at present, this method is to improve the thermal conductivity of pedestal, but because the price of copper material is very high and density is bigger, cause the cost of radiator higher, quality is also heavier.Therefore, what most manufacturers adopted is thermal conductivity to be set much larger than copper material on pedestal, and the relatively low heat pipe of cost, and adopt various heat pipe arrangement modes to realize that the heat of pedestal central authorities is transmitted to susceptor edges quickly and evenly.
For example, Chinese patent ZL03267091.5 discloses a kind of radiator.See also Fig. 1, this radiator 1a mainly comprises: a pedestal 10a, it has the first relative side 11a and the second side 12a, offers S connected in star 13a on the first side 11a of this pedestal 10a, and the second side 12a of this pedestal 10a directly contacts with pyrotoxin (figure does not show); One S shape heat pipe 20a, its correspondence is arranged among this S connected in star 13a, and with the shape basically identical of this S connected in star 13a; And a plurality of fin 30a, be fixed on the first side 11a of this pedestal 10a.This S shape heat pipe 20a is the arc body of integrally bending because the thermal conductivity of heat pipe is very high, its can be promptly with heat by two jiaos at the edge of the guide base 10a of pedestal 10a central authorities.But this design but is difficult to heat guiding is positioned at two jiaos at the other edge of the pedestal 10a of S shape heat pipe 20a two opening parts, and radiating effect promotes still not ideal enough.And, this S shape heat pipe 20a is cylindrical to be difficult to directly contact with the bottom surface of fin 30a (even directly also just minimum line contact of area of contact), therefore the heat that accumulates in pedestal 10a central authorities must be transmitted to the stage casing of S shape heat pipe 20a earlier by pedestal 10a central authorities, be transmitted to the two edges of pedestal 10a again by S shape heat pipe 20a, at last be transmitted to be dispersed in the air again on the fin 30a of its top and go by the pedestal 10a at edge, this radiating mode need carry out heat conduction through three interfaces, be subjected to the influence of interface resistance bigger, also be unfavorable for heat conductingly carrying out smoothly.The difficulty of processing of S shape heat pipe 20a that in addition linear heat pipe commonly used is processed into integrally bending is also bigger.
In addition, Chinese patent ZL200420117415.9 discloses a kind of radiator.See also Fig. 2 A and Fig. 2 B, this radiator 1b mainly comprises: a pedestal 10b, it has the first relative side 11b and the second side 12b, offer two U-shaped groove 13b side by side on the second side 12b of this pedestal 10b, and the while offers a storage tank 14b at the central part of this second side 12b; Two U-shaped heat pipe 20b, its correspondence is arranged among the two U-shaped groove 13b, and with the shape basically identical of two U-shaped groove 13b; A plurality of fin 30b are fixed on the first side 11b of this pedestal 10b; And a heat carrier 40b, be arranged among the storage tank 14b of this pedestal 10b, and its upper and lower surface contacts (seeing Fig. 2 A) with U-shaped heat pipe 20b respectively with CPU 2b.Though the heat that the radiator of this design in theory also can gather pedestal 10b central authorities is passed to the fringe region of pedestal 10b quickly.But the net quantity of heat that CPU 2b is produced when adopting this design is all wanted could be transmitted to U-shaped heat pipe 20b and pedestal 10b again by heat carrier 40b earlier, distributes by fin 30b at last; This heat radiation process all will be earlier through the combination interface between heat carrier 40b and U-shaped heat pipe 20b and the pedestal 10b, if therefore above-mentioned combination interface good inadequately when producing in conjunction with effect, will produce very big interface resistance influences the integral heat sink effect of radiator, its unstable properties when large-scale production, reliability is relatively poor.On the other hand, diabatic process from heat carrier 40b to fin 30b in the above-mentioned design needs through heat carrier 40b to pedestal 10b and pedestal 10b at least to two combination interfaces the fin 30b, at least increased from heat carrier 40b to this combination interface of pedestal 10b compared with traditional copper foundation design, so its radiating effect promotes limited.
Therefore, be necessary to seek a kind ofly can more effectively the heat that accumulates in pedestal central authorities be conducted to susceptor edges quickly and evenly, the fin that makes full use of the edge dispels the heat to improve the radiator of radiating efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of radiator, and it can more effectively conduct to susceptor edges with the heat that accumulates in pedestal central authorities quickly and evenly, to improve radiating efficiency.
For achieving the above object, the utility model provides a kind of radiator, comprising: a pedestal, and it has the first relative side and second side, offers a S connected in star on first side of this pedestal; One S shape heat pipe, its correspondence are arranged in this S connected in star; And a plurality of fin, be arranged on first side of this pedestal; Wherein, also offer at least one U-shaped groove on first side of this pedestal, the opening of the opening of described U-shaped groove in two openings of this S connected in star is with an opening portion sealing with described S connected in star; And this radiator also comprises at least one U-shaped heat pipe, and described U-shaped heat pipe correspondence is arranged in the described U-shaped groove, and wherein this S shape heat pipe and this U-shaped heat pipe can be transmitted to the heat that accumulates in pedestal central authorities the edge of pedestal apace.
In above-mentioned radiator, described S connected in star is connected in sequence by one first outer straight extension, one first bend, a neutral straight extension, one second bend and one second outer straight extension; Described U-shaped groove is formed by connecting by two straight-line extension portions and the bend between described two straight-line extension portions.
In above-mentioned radiator, the quantity of described U-shaped groove and U-shaped heat pipe all is one, wherein two straight-line extension portions of this U-shaped groove are staggered setting with respect to an outer straight extension and the neutral straight extension of this S connected in star, promptly be that a straight-line extension portion of this U-shaped groove is positioned between the outer straight extension and neutral straight extension of this S connected in star, another straight-line extension portion then is positioned at the outside of a described outer straight extension of this S connected in star.
In above-mentioned radiator, this U-shaped groove is in the middle section of pedestal near the straight-line extension portion of this S connected in star neutral straight extension and the neutral straight extension of this S connected in star, and is symmetrically distributed in the both sides, axis of this pedestal respectively.
In above-mentioned radiator, the quantity of described U-shaped groove and U-shaped heat pipe all is one, and wherein this U-shaped groove integral body is included between the outer straight extension and neutral straight extension of this S connected in star.
In above-mentioned radiator, the quantity of described U-shaped groove and U-shaped heat pipe all is two; And towards two openings of this S connected in star, two opening portions with this S connected in star seal the opening of described two U-shaped grooves respectively respectively.
In above-mentioned radiator, one of them U-shaped groove integral body of described two U-shaped grooves is included between one of this S connected in star outer straight extension and the neutral straight extension; And two straight-line extension portions of another U-shaped groove are staggered with respect to another outer straight extension of this S connected in star and neutral straight extension and are provided with.
In above-mentioned radiator, described two U-shaped grooves integral body respectively are included between the outer straight extension and neutral straight extension of this S connected in star.
In above-mentioned radiator, two straight-line extension portions of a U-shaped groove in described two U-shaped grooves are staggered with respect to one of this S connected in star outer straight extension and neutral straight extension and are provided with; Two straight-line extension portions of another U-shaped groove also are staggered setting with respect to another the outer straight extension and the neutral straight extension of this S connected in star.
In above-mentioned radiator, the upper surface of this U-shaped heat pipe and this S shape heat pipe is the plane, and contacts with the bottom surface of described fin.
In above-mentioned radiator, the first outer straight extension of this S connected in star, neutral straight extension and the second outer straight extension are parallel to each other, and parallel with a side of this pedestal.
Compared with prior art, radiating appliance of the present utility model has following useful technique effect:
1) owing to also is provided with U-shaped groove and U-shaped heat pipe towards its opening at the opening part of S connected in star, therefore the heat of pedestal central authorities can also be by the susceptor edges of U-shaped heat pipe guiding S shape heat pipe opening part, make the heat that accumulates in pedestal central authorities to be passed to more quickly and evenly on the susceptor edges, the fin that makes full use of the edge dispels the heat, thereby more effectively improves the radiating efficiency of radiator.
2) upper surface of U-shaped heat pipe and S shape heat pipe is the plane, and directly contact with the bottom surface of the fin of susceptor edges, therefore, heat can also be directly transferred on the bottom surface of fin of susceptor edges by the heat pipe upper surface, reduce the influence of a heavy interface resistance, thereby had higher heat transfer efficiency.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the radiator of prior art;
Fig. 2 A is the cutaway view of the radiator of another kind of prior art;
Fig. 2 B is the part three-dimensional exploded view of radiator shown in Fig. 2 A;
Fig. 3 is the three-dimensional exploded view of the radiator of the utility model preferred embodiment;
Fig. 4 is the three-dimensional exploded view of heat pipe and pedestal in the radiator shown in Figure 3;
Fig. 5 is the three-dimensional combination figure of radiator shown in Figure 3;
Fig. 6 is the three-dimensional combination figure at another visual angle of radiator shown in Figure 3;
Fig. 7 is the birds-eye perspective of radiator shown in Figure 3;
Fig. 8 is the cutaway view along A-A line shown in Figure 7;
Fig. 9 to Figure 12 is the floor map of other four kinds of configuration modes of S connected in star and U-shaped groove in the utility model radiator.
Embodiment
Consult the preferred embodiment that accompanying drawing describes radiator of the present utility model in detail below.In this preferred embodiment.
Please consult Fig. 3 to Fig. 8 earlier, radiator 1 of the present utility model comprises: the pedestal 10 that a usefulness aluminium is made, it has the first relative up and down side 11 and second side 12, offer on first side 11 of this pedestal 10 a S connected in star 13 ' and a U-shaped groove 13 "; stretch out a protuberance 121 (please cooperate and consult Fig. 6 and Fig. 8) under the mediad of second side 12 of this pedestal 10, this protuberance 121 directly contacts with a heat-generating electronic elements (scheme do not show) of its below; One S shape heat pipe 20 ', its correspondence be weldingly fixed on this S connected in star 13 ' in, and with this S connected in star 13 ' the shape basically identical; A plurality of fin 30 are weldingly fixed on first side 11 of this pedestal 10, and the bottom surface of each fin 30 folding stretches out a flanging 32; And top cover 50, this top cover 50 is located at the top of this radiator 1, and the both sides lower edge of this top cover 50 can be fixed on the both sides of this pedestal 10 by screw 60, and cooling blast flows out from opposite side after the fin 30 of flowing through absorbs heat from a side inflow of fin 30 again.
In the utility model, this radiator 1 also comprises a U-shaped heat pipe 20 ".And, also offer on first side 11 of this pedestal 10 and be used for corresponding ccontaining U-shaped heat pipe 20 " U-shaped groove 13 ", the shape basically identical of U-shaped heat pipe 20 " with U-shaped groove 13 ".This U-shaped groove 13 " the opening of opening in these S connected in star 13 ' two openings, with this S connected in star 13 ' the sealing of opening portion.Fin 30 above such design can " be transmitted to pedestal 10 edges at S shape heat pipe 20 ' opening part place; again by being arranged in U-shaped heat pipe 20 " via U-shaped heat pipe 20 more apace with the heat of pedestal 10 central authorities is dispersed into air, thereby can more effectively improve the radiating efficiency of radiator 1.
As shown in Figure 4, this S connected in star 13 ' by one first outer straight extension 131 ', one first bend 132 ', a neutral straight extension 133 ', one second bend 134 ' and one second outer straight extension 135 ' be connected in sequence.In addition, as shown in Figure 4, this S connected in star 13 ' the first outer straight extension 131 ', neutral straight extension 133 ' with the second outer straight extension 135 ' parallel each other, and parallel with a side 111 of this pedestal 10.Above-mentioned S connected in star 13 ' design can make S shape heat pipe 20 ' as much as possible press close to be distributed in the edge of pedestal 10 so that hot-fluid guide base 10 edges apace as far as possible; Adopt simultaneously this design only need to normally used straight pipe type heat pipe carry out twice bending handle just can obtain S shape heat pipe 20 ', reduced difficulty of processing to heat pipe.
This U-shaped groove 13 " by two straight-line extension portions 131 side by side ", 133 " and being positioned at two straight-line extension portions 131 ", 133 " between a bend 132 " are formed by connecting.This U-shaped groove 13 " two straight-line extension portions 131 ", 133 " with respect to this S connected in star 13 ' the first outer straight extension 131 ' and neutral straight extension 133 ' being staggered to be provided with; promptly this U-shaped groove 13 " a straight-line extension portion 133 " this S connected in star 13 ' the first outer straight extension 131 ' and neutral straight extension 133 ' between, another straight-line extension portion 131 " be positioned at this S connected in star 13 ' first outside straight extension 131 ' the outside.In addition, this U-shaped groove 13 " straight-line extension portion 133 " and this S connected in star 13 ' neutral straight extension 133 ' the be in middle section of pedestal 10, and be distributed in the X-X ' both sides, axis (as shown in Figure 7) of this pedestal 10 respectively, thereby make the straight-line extension portion 133 that is arranged in " U-shaped heat pipe 20 " and be arranged in this neutral straight extension 133 ' the S shape heat pipe 20 ' heat of these pedestal 10 central authorities can be transmitted to apace the edge of pedestal 10.
See also Fig. 8, for the fin 30 that is arranged near pedestal 10 middle sections, the heat that accumulates in pedestal 10 central authorities only need just can be directly transferred to fin 30 by the combination interface between pedestal 10 and the fin 30, this diabatic process only need be through a combination interface, and heat-transfer effect is fabulous.
And for the fin 30 that is arranged on pedestal 10 fringe regions because S shape heat pipe 20 ' and U-shaped heat pipe 20 " upper surface be the plane, and be face with the flanging 32 of above-mentioned fin 30 bottom surfaces and contact.Therefore, on the one hand, the heat that accumulates in pedestal 10 central authorities not only can be earlier by pedestal 10 central authorities be transmitted to heat pipe 20 ' and 20 "; again via heat pipe 20 ' and 20 " be transmitted to the edge of pedestal 10, be transmitted to the fin 30 (promptly shown in ZL03267091.5 like that need through three interfaces) of its top at last by the pedestal 10 at edge.On the other hand, the heat of pedestal 10 central authorities can also be earlier by pedestal 10 central authorities be transmitted to heat pipe 20 ' and 20 "; again by heat pipe 20 ', 20 " upper surface be directly transferred to the flanging 32 (only need through two interfaces) of bottom surface of the fin 30 at edge, reduced the influence of a heavy interface resistance, thereby made this radiator 1 have higher heat transfer efficiency.The surface of S shape heat pipe 20 ' contact) also be the plane with U-shaped heat pipe 20 " lower surface (promptly with groove 13 ' with 13 " bottom.
When making this radiator 1, the S shape heat pipe 20 of this radiator 1 ' and U-shaped heat pipe 20 " can tie by punching press earlier its upper and lower surface is processed into the plane; and then with S shape heat pipe 20 ' and U-shaped heat pipe 20 " be installed in S connected in star 13 ' and U-shaped groove 13 " in and coat welding compound; fin 30 is fixed on first side 11 of pedestal 10 again and coats welding compound, heating is welded into a whole again at last.Also can be earlier with the S shape heat pipe 20 of pipe shape ' and U-shaped heat pipe 20 " be installed in the S connected in star 13 of pedestal 10 ' and U-shaped groove 13 " in, by exerting pressure its upper and lower surface is pressed into the plane again, thereby closely be mounted in S connected in star 13 ' and U-shaped groove 13 " in, and then fin 30 is weldingly fixed on first side 11 of pedestal 10.
In the radiator 1 of above preferred embodiment of the present utility model, its thin bilge construction also has many other variant, for example:
As shown in Figure 9, this U-shaped groove 13 " two straight-line extension portions 131 ", 133 " and bends 132 " be whole all be in this S connected in star 13 ' the first outer straight extension 131 ' and neutral straight extension 133 ' between, this U-shaped groove 13 " opening towards S connected in star 13 ' an opening, thereby with described S connected in star 13 ' the sealing of opening portion.
This preferred embodiment has only been arranged a U-shaped groove 13 " and a U-shaped heat pipe 20 " based on the demand of heat dispersion and the consideration of base size.But if desired, the opening that also can dispose in two U-shaped grooves 13 " and corresponding at two U-shaped grooves 13 " two U-shaped heat pipes 20 are set "; two U-shaped grooves 13 " simultaneously respectively towards this S connected in star 13 ' two openings, and respectively with this S connected in star 13 ' two opening portions sealings.The concrete configuration mode can be as shown in figure 10: two U-shaped grooves 13 " whole respectively be included in this S connected in star 13 ' two outer straight extensions 131 ', 135 ' one of and neutral straight extension 133 ' between;
Perhaps as shown in figure 11: U-shaped groove 13 " two straight-line extension portions 131 ", 133 " with respect to this S connected in star 13 ' an outer straight extension 131 ' and neutral straight extension 133 ' being staggered to be provided with; Another U-shaped groove 13 " two straight-line extension portions 131 ", 133 " with respect to this S connected in star 13 ' another outer straight extension 135 ' and neutral straight extension 133 ' also being staggered to be provided with.
Can certainly be configured to as shown in figure 12: one of them U-shaped groove 13 " integral body be included in this S connected in star 13 ' an outer straight extension 131 ' and neutral straight extension 133 ' between; And another U-shaped groove 13 " two straight-line extension portions 131 ", 133 " with respect to this S connected in star 13 ' another outer straight extension 135 ' and neutral straight extension 133 ' being staggered to be provided with.
And, the employed term of the utility model " S shape " and " U-shaped " should be not limited in shape of letter " S " and " U " itself, for example also comprise all the similar letter " S " that is formed by connecting by straightway/segmental arc and all equivalent variations shapes of " U ".This U-shaped groove 13 " can change with the concrete shape and size of pedestal 10 with S connected in star 13 ' each the straight-line extension portion/length of neutral straight extension and the geometric properties such as radian of bend.
Foregoing only is preferred embodiment of the present utility model and the variant that exemplifies; be not used for limiting the utility model; every within spirit of the present utility model and principle; any modification and the improvement that need not creative thinking done all should be included within the protection range of the present utility model.
Claims (11)
1. radiator comprises:
One pedestal, it has the first relative side and second side, offers a S connected in star on first side of this pedestal;
One S shape heat pipe, its correspondence are arranged in this S connected in star; And
A plurality of fin are arranged on first side of this pedestal;
It is characterized in that, also offer at least one U-shaped groove on first side of this pedestal, the opening of the opening of described U-shaped groove in two openings of this S connected in star is with an opening portion sealing with described S connected in star; And
This radiator also comprises at least one U-shaped heat pipe, and described U-shaped heat pipe correspondence is arranged in the described U-shaped groove, and wherein this S shape heat pipe and this U-shaped heat pipe can be transmitted to the heat that accumulates in these pedestal central authorities the edge of this pedestal apace.
2. radiator as claimed in claim 1 is characterized in that, described S connected in star is connected in sequence by one first outer straight extension, one first bend, a neutral straight extension, one second bend and one second outer straight extension; Described U-shaped groove is formed by connecting by two straight-line extension portions and the bend between described two straight-line extension portions.
3. radiator as claimed in claim 2, it is characterized in that, the quantity of described U-shaped groove and U-shaped heat pipe all is one, and wherein two straight-line extension portions of this U-shaped groove are staggered setting with respect to an outer straight extension and the neutral straight extension of this S connected in star.
4. radiator as claimed in claim 3, it is characterized in that, described U-shaped groove is in the middle section of this pedestal near the straight-line extension portion of this S connected in star neutral straight extension and the neutral straight extension of this S connected in star, and is symmetrically distributed in the both sides, axis of this pedestal respectively.
5. radiator as claimed in claim 2 is characterized in that, the quantity of described U-shaped groove and U-shaped heat pipe all is one, and wherein this U-shaped groove integral body is included between the outer straight extension and neutral straight extension of this S connected in star.
6. radiator as claimed in claim 2 is characterized in that, the quantity of described U-shaped groove and U-shaped heat pipe all is two; And towards two openings of this S connected in star, two opening portions with this S connected in star seal the opening of described two U-shaped grooves respectively respectively.
7. radiator as claimed in claim 6 is characterized in that, one of them U-shaped groove integral body of described two U-shaped grooves is included between one of this S connected in star outer straight extension and the neutral straight extension; And two straight-line extension portions of another U-shaped groove are staggered with respect to another outer straight extension of this S connected in star and neutral straight extension and are provided with.
8. radiator as claimed in claim 6 is characterized in that, described two U-shaped grooves integral body respectively are included between the outer straight extension and neutral straight extension of this S connected in star.
9. radiator as claimed in claim 6 is characterized in that, two straight-line extension portions of a U-shaped groove in described two U-shaped grooves are staggered with respect to one of this S connected in star outer straight extension and neutral straight extension and are provided with; Two straight-line extension portions of another U-shaped groove also are staggered setting with respect to another the outer straight extension and the neutral straight extension of this S connected in star.
10. as each described radiator in the claim 1 to 9, it is characterized in that the upper surface of this U-shaped heat pipe and this S shape heat pipe is the plane, and contacts with the bottom surface of described fin.
11., it is characterized in that the first outer straight extension of this S connected in star, neutral straight extension and the second outer straight extension are parallel to each other, and parallel with a side of this pedestal as each described radiator in the claim 2 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200012259U CN201153361Y (en) | 2008-01-11 | 2008-01-11 | Heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200012259U CN201153361Y (en) | 2008-01-11 | 2008-01-11 | Heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201153361Y true CN201153361Y (en) | 2008-11-19 |
Family
ID=40129036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200012259U Expired - Fee Related CN201153361Y (en) | 2008-01-11 | 2008-01-11 | Heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201153361Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902326A (en) * | 2011-07-26 | 2013-01-30 | 江苏宏力光电科技有限公司 | Radiating tube used for laptops |
| CN104582436A (en) * | 2014-12-24 | 2015-04-29 | 杭州华为数字技术有限公司 | Radiating device |
| CN108695275A (en) * | 2017-04-07 | 2018-10-23 | 全亿大科技（佛山）有限公司 | Radiator |
-
2008
- 2008-01-11 CN CNU2008200012259U patent/CN201153361Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902326A (en) * | 2011-07-26 | 2013-01-30 | 江苏宏力光电科技有限公司 | Radiating tube used for laptops |
| CN104582436A (en) * | 2014-12-24 | 2015-04-29 | 杭州华为数字技术有限公司 | Radiating device |
| CN104582436B (en) * | 2014-12-24 | 2018-03-27 | 杭州华为数字技术有限公司 | A kind of heat abstractor |
| CN108695275A (en) * | 2017-04-07 | 2018-10-23 | 全亿大科技（佛山）有限公司 | Radiator |
| CN108695275B (en) * | 2017-04-07 | 2019-12-27 | 全亿大科技（佛山）有限公司 | Heat radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20120111 |