CN102724851B - Heat abstractor and cooling system - Google Patents
Heat abstractor and cooling system Download PDFInfo
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- CN102724851B CN102724851B CN201210179406.1A CN201210179406A CN102724851B CN 102724851 B CN102724851 B CN 102724851B CN 201210179406 A CN201210179406 A CN 201210179406A CN 102724851 B CN102724851 B CN 102724851B
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- radiating fin
- fin group
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Abstract
The invention provides a kind of heat abstractor, it is arranged on pyrotoxin, and is positioned among a runner.This heat abstractor comprises the first radiating fin group, the second radiating fin group and baffle plate, wherein, first radiating fin group is arranged at flow passage entry, second radiating fin group is arranged at runner exit place, and baffle plate is then arranged between the first radiating fin group and the second radiating fin group and by runner and is divided into first flow and the second runner.The sectional area of first flow entrance is greater than the sectional area of its outlet, and the sectional area of the second flow channel entry point is less than the sectional area of its outlet.
Description
Technical field
The present invention relates to a kind of heat abstractor and cooling system, and especially, the present invention relates to a kind of help pyrotoxin on average to dispel the heat heat abstractor and cooling system.
Background technology
Generally speaking, if the large data processing unit such as desktop computer, notebook computer, flat computer or home game machine are except the indispensable assembly such as central processing unit, mainboard and hard disk, also need various hardware to arrange in pairs or groups the function promoting data processing equipment.These hardware can produce heat when normal operation, and these heats must be discharged effectively outside data processing equipment, otherwise the temperature that its casing internal excessively raises will affect the running of data processing equipment, what is more, permanent injury may be caused to data processing equipment itself.
Tradition is used for the method for dispelling the heat to large data processing unit, normally makes casing internal produce cross-ventilation by the louvre on fan and casing, further produced heat is taken out of outside data processing equipment through air-flow.But for producing the hardware components of amount of heat, such as, central processing unit etc., the mode depending thermal convection alone is not sufficient to be dispelled the heat in the temperature range allowed, therefore, these hardware producing heat in a large number may additionally arrange fan thereon, or configuring the auxiliary heat dissipation parts such as radiating fin helps heat radiation.Radiating fin set on hardware can improve the contact area of hardware and air-flow, causes more heat conduction to air-flow.
But make more heat conduction in air-flow although the contact area of hardware and air-flow is enhanced, the thermal capacity that gas can carry is not unrestricted.For example, if air-flow has first taken away heat by the radiating fin group in front, when this air-flow is again by the radiating fin group at rear, its heat taking away rear radiating fin group is by far fewer than the heat taking away front radiating fin group.In other words, the radiating efficiency difference of different on hardware positions is very large.Even if the radiating efficiency of certain part is high on hardware, if other parts cannot be dispelled the heat really, hardware still has to be affected and even produces permanent damage.
In prior art, the design of the height of radiating fin is utilized to improve the problems referred to above.Refer to Fig. 1, Fig. 1 is the schematic diagram of the radiating fin 12 be arranged in prior art on pyrotoxin 10.As shown in Figure 1, the radiating fin 12 on pyrotoxin 10 can be divided into the first radiating fin 120 and the second radiating fin 122 according to its setting position, and the airflow direction that fan 14 produces is then lead to the second radiating fin 122 from the first radiating fin 120.Because the height of the second radiating fin 122 is higher than the first radiating fin 120, therefore overhead stream can not directly enter the higher part of the second radiating fin 122 through the first radiating fin 120, and take away its energy, thus the radiating efficiency of the second radiating fin 122 is promoted.But for reaching the effect of this prior art, must improve the height of the second radiating fin 122, this is quite disadvantageous for the trend of the miniaturization of electronic installation pursuit now.Therefore, be necessary to design a kind of new-type heat abstractor, pyrotoxin can be helped on average to dispel the heat and maintain less taking up room.
Summary of the invention
The invention provides a kind of heat abstractor, for solving the problem of prior art.
In order to achieve the above object, heat abstractor of the present invention to be arranged on pyrotoxin and to be arranged in a runner, and this heat abstractor comprises the first radiating fin group, the second radiating fin group and baffle plate.First radiating fin group is positioned at the porch of runner and includes several the first radiating fins, second radiating fin is positioned at the exit of runner and includes several the second radiating fins, wherein, the position of position corresponding part first radiating fin of part second radiating fin.Baffle plate is arranged between the first radiating fin group and the second radiating fin group, and is divided by runner in first flow and the second runner.The sectional area of first flow entrance is greater than the sectional area of its outlet, and the sectional area of the second flow channel entry point is less than the sectional area of its outlet.
According to another specific embodiment, cooling system of the present invention can be used to help pyrotoxin heat radiation, and it comprises and is positioned at runner on pyrotoxin and heat abstractor.Heat abstractor is arranged in runner, and it comprises the first radiating fin group, the second radiating fin group and baffle plate.First radiating fin group is positioned at the porch of runner and includes several the first radiating fins, second radiating fin is positioned at the exit of runner and includes several the second radiating fins, wherein, the position of position corresponding part first radiating fin of part second radiating fin.Baffle plate is arranged between the first radiating fin group and the second radiating fin group, and runner is divided into first flow and the second runner.The sectional area of first flow entrance is greater than the sectional area of its outlet, and the sectional area of the second flow channel entry point is less than the sectional area of its outlet.
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram being arranged at the radiating fin on pyrotoxin in prior art.
Fig. 2 A is the schematic diagram of the cooling system of one of the present invention specific embodiment.
Fig. 2 B is the top view of the cooling system of Fig. 2 A.
Fig. 3 is the schematic diagram of the cooling system according to another specific embodiment of the present invention.
[primary clustering symbol description]
10: pyrotoxin
12: radiating fin
120: the first radiating fins
122: the second radiating fins
14: fan
2,4: cooling system
20,40: runner
22,42: heat abstractor
220,420: the first radiating fin groups
222,422: the second radiating fin groups
224,424: baffle plate
2200,4200: the first radiating fins
2220,4220: the second radiating fins
200,400: first flow
202,402: the second runners
3: pyrotoxin
F: fan
Embodiment
For making the present invention clearerly be illustrated, please refer to the following detailed description of the invention and wherein included example more easily can understand the present invention.This specification only makes statement to necessary assembly of the present invention, the summary description of specification and describing in detail only for illustration of the example of the present invention's wherein possibility, but the description of this specification should not limit the interest field of the technological essence that the present invention advocates.Unless get rid of its possibility clearly in specification, otherwise the present invention is not limited to ad hoc structure, material, function or means.Also should be appreciated that, embodiment possible when only example is of the present invention at present, can use in practice of the present invention or test and described method and similar or equivalent any method, material, assembly, device or the means of material.Moreover, graphic be only express spirit of the present invention, it is only for reference that it paints the ratio stating structure, user must according to the usual knowledge of belonging technical field with freely by the scale amplifying of each construction package or reduce to reach the effect described in this specification.
In addition, unless otherwise defined, otherwise this specification all technology used and scientific terminology all have with have the knack of operator belonging to the present invention usually understand the identical meaning of meaning.Although can use in practice of the present invention or test and method described in they and the similar or equivalent any method of material and material, current described system case method and material, the method and example only for reference.
Refer to the schematic diagram that Fig. 2 A and Fig. 2 B, Fig. 2 A is the cooling system 2 of one of the present invention specific embodiment, Fig. 2 B is the top view of the cooling system 2 of Fig. 2 A.The cooling system 2 of this specific embodiment is used to help pyrotoxin 3 to dispel the heat, and in practice, this cooling system 2 can be applicable on the electronic equipment of data processing equipment or other tool high heat producing component, for example, can be installed in the casing of desktop computer or projector, dispel the heat to help the hardware component such as central processing unit or light emitting source.As shown in Figure 2A and 2B, cooling system 2 is coordinate fan F to help pyrotoxin 3 to dispel the heat, and cooling system 2 can comprise a runner 20 and the heat abstractor 22 be arranged on pyrotoxin 3.
In this specific embodiment, the scope of runner 20 defines with airflow range, but also can intercept out gas channel by entity dividing plate in practice, and the present invention is not limited this.After the air-flow that fan F produces flows through runner 20, just discharged by the ventilating opening on casing or heat extraction mouth.
Heat abstractor 22 is arranged on pyrotoxin 3, it comprises the first radiating fin group 220 and the second radiating fin group 222, and both are arranged at runner 20 porch and exit respectively, in other words, air-flow to enter after runner 20 can first through the position of the first radiating fin group 220 again through the position of the second radiating fin group 222.First radiating fin group 220 comprises several first radiating fins 2200 being parallel to runner 20 and arrangement further, and similarly, the second radiating fin group 222 comprises several second radiating fins 2220 being parallel to runner 20 and arrangement further.As shown in Figure 2 A and 2 B, the first radiating fin group 220 and the second radiating fin group 222 are staggered, and the position of corresponding first radiating fin 2200 in the position of part second radiating fin 2220.
Except the first radiating fin group 220 and the second radiating fin group 222, heat abstractor 22 also includes baffle plate 224, and it is arranged between the first radiating fin group 220 and the second radiating fin group 222.As shown in Figure 2 A and 2 B, baffle plate 224 is oblique relative to runner 20 direction, and runner 20 is divided into first flow 200 and the second runner 202 further.In this specific embodiment, the sectional area of the entrance of first flow 200 is greater than the sectional area of its outlet, and the sectional area of the entrance of the second runner 202 is then less than the sectional area of outlet.Note that the gateway of first flow 200 and the second runner 202 is decided with airflow direction, that is air-flow enters the entrance of first flow 200 and the second runner 202, and leave from the outlet of first flow 200 and the second runner 202.
When air-flow enters runner 20, fraction through each first radiating fin 2200 of the first radiating fin group 220, and takes away the heat on each first radiating fin 2200.Then, air-flow is guided by baffle plate 224 and enters first flow 200 and the second runner 202 respectively, and flows into the second radiating fin group 222 in the outlet of first flow 200 and the second runner 202.Air-flow through each second radiating fin 2220 of the second radiating fin group 222, and takes away heat on each second radiating fin 2220.
As shown in Figure 2 A and 2 B, because the first radiating fin group 220 and the second radiating fin group 222 are be staggered, and runner 20 is divided into first flow 200 and the second runner 202 by baffle plate 224.Therefore, air-flow is after the first radiating fin group 220, and overall air-flow can not promote temperature in the lump.Then, distribute by first flow 200 and the second runner 202 air entering the second radiating fin group 222, make still to be possessed by the air of the second radiating fin group 222 higher to take thermal capacity.By the design of this specific embodiment, the first radiating fin group 220 and the second radiating fin group 222 all have good radiating efficiency, and pyrotoxin 3 can be made to be dispelled the heat fifty-fifty.
Note that in this specific embodiment, the height of each first radiating fin 2200 of the first radiating fin group 220 is identical substantially with each second radiating fin 2220 of the second radiating fin group 222.Being staggered and dividing with baffle plate 224 design that runner 20 distributes air-flow based on above-mentioned first radiating fin group 220 and the second radiating fin group 222, air-flow significantly can't reduce the capacity taking heat when entering the second radiating fin group 222, therefore the height of the second radiating fin 2220 must additionally not improve, and thus meets the trend of electronic device miniaturization.
Refer to Fig. 3, Fig. 3 is the schematic diagram of the cooling system 4 of another specific embodiment of the present invention.As shown in Figure 3, the cooling system 4 of this specific embodiment is the electronic equipment for data processing equipment or other tool high heat producing component equally, dispels the heat to help pyrotoxin 3 wherein.This specific embodiment and above-mentioned specific embodiment do not exist together, and are that the angle that the baffle plate 424 of the heat abstractor 42 of this specific embodiment tilts relative to runner 40 is different.In detail, the first flow 400 that marks off of baffle plate 424 and the second runner 402 contrary with the first flow of a upper specific embodiment and the position of the second runner.Note that other unit of the cooling system 4 of this specific embodiment, such as the first radiating fin group 420 or the second radiating fin group 422 etc., identical substantially with corresponding unit in a upper specific embodiment, therefore repeat no more in this.
In this specific embodiment, the sectional area of first flow 400 entrance is greater than the sectional area of its outlet, and the sectional area of the second runner 402 entrance is less than the sectional area of its outlet.First flow 400 is same with the gateway of the second runner 402 is determine with airflow direction, and this part described by the previous paragraph, therefore repeats no more in this.The outlet that the entrance of first flow 400 is connected to the first radiating fin group 420, second runner 402 is then connected to the second radiating fin group 422.Divide runner 40 by plate washer 424, the first radiating fin group 420 and the second radiating fin group 422 can obtain has the air-flow that equal extent takes thermal capacity, makes both have roughly the same radiating efficiency.
As shown in Figure 3, air-flow enters runner 40 rear portion through each first radiating fin 4200 of the first radiating fin group 420 and the heat taken away on it, then, the air-flow carrying the heat that the first radiating fin group 420 is transmitted is guided by baffle plate 424 and enters first flow 400, and is discharged by the ventilating opening on casing or heat extraction mouth by the side of the second radiating fin group 422 after leaving first flow 400.On the other hand, enter the another part in the air-flow of runner 40 to pass through from the side of the first radiating fin group 420, then, air-flow is guided by baffle plate 424 and enters the second runner 402, and enter the second radiating fin group 422 from the outlet of the second runner 402, then the heat on each second radiating fin 4220 of the second radiating fin group 422 is taken away and discharges from ventilating opening or heat extraction mouth.In this specific embodiment, the air-flow through the second radiating fin group 422 is passed through by the side of the first radiating fin group 420, therefore can be maintained to take thermal capacity when entering runner 40.Dividing runner 40 by baffle plate is first flow 400 and the second runner 402, the air-flow entering the first radiating fin group 420 and the second radiating fin group 422 can be made to have and equal to take thermal capacity, in other words, first radiating fin group 420 has identical radiating efficiency with the second radiating fin group 422, pyrotoxin 3 can be dispelled the heat fifty-fifty, must not improve the height of each second radiating fin 4220 in the second radiating fin group 422 simultaneously.
In sum, cooling system of the present invention lies on pyrotoxin and arranges runner and heat abstractor, wherein heat abstractor includes the first radiating fin group of being separately positioned on runner gateway place and the second radiating fin group is dispelled the heat to help pyrotoxin, in addition, heat abstractor separately has baffle plate and is arranged between the first radiating fin group and the second radiating fin group, use and runner is divided into first flow and the second runner, and then distribute the air-flow entered in runner, the air-flow flowing through the first radiating fin group and the second radiating fin group is had and equal takes thermal capacity, in other words, first radiating fin group and the second radiating fin group have equal radiating efficiency.In addition, equal take thermal capacity because the air-flow flowing through the first radiating fin group and the second radiating fin group has, therefore each second radiating fin in the second radiating fin group must its height of additional elevation, meets electronic installation now and pursues miniaturized trend.
Describe in detail by above preferred embodiment, clearly describe the feature of the present invention and spirit, and not limited with the above-mentioned disclosed category of preferred embodiment to the present invention.On the contrary, its objective is and wish contain in the category being arranged in the scope of the claims of the present invention institute wish application of various change and tool equality.
Claims (6)
1. a heat abstractor, to be arranged in a runner and on a pyrotoxin, this heat abstractor comprises:
One first radiating fin group, is arranged at the porch of this runner, and this first radiating fin group comprises several the first radiating fins;
One second radiating fin group, is arranged at the exit of this runner, and this second radiating fin group comprises several the second radiating fins; Described first radiating fin group and described second radiating fin group are staggered, the position of position corresponding part first radiating fin of part second radiating fin, and when the air-flow entering described first radiating fin group and the second radiating fin group have equal take thermal capacity time, described first radiating fin group has identical radiating efficiency with the second radiating fin group; And
One baffle plate, is arranged between this first radiating fin group and this second radiating fin group, and this baffle plate is in order to be divided into a first flow parallel to each other and one second runner by this runner;
It is characterized in that: the sectional area of the entrance of this first flow is greater than the sectional area of its outlet, and the sectional area of the entrance of this second runner is less than the sectional area of its outlet; The height of these the first radiating fins is identical with the height of the second radiating fin.
2. heat abstractor according to claim 1, is characterized in that: the entrance of this first flow connects this first radiating fin group.
3. heat abstractor according to claim 1, is characterized in that: the outlet of this second runner connects this second radiating fin group.
4. a cooling system, in order to help a pyrotoxin heat radiation, this cooling system comprises:
One runner, is arranged on this pyrotoxin; And
One heat abstractor, to be arranged in this runner and on this pyrotoxin, this heat abstractor comprises:
One first radiating fin group, is arranged at the porch of this runner, and this first radiating fin group comprises several the first radiating fins;
One second radiating fin group, is arranged at the exit of this runner, and this second radiating fin group comprises several the second radiating fins; Described first radiating fin group and described second radiating fin group are staggered, the position of position corresponding part first radiating fin of part second radiating fin, and when the air-flow entering described first radiating fin group and the second radiating fin group have equal take thermal capacity time, described first radiating fin group has identical radiating efficiency with the second radiating fin group; And
One baffle plate, is arranged between this first radiating fin group and this second radiating fin group, and this baffle plate is in order to be divided into a first flow parallel to each other and one second runner by this runner;
It is characterized in that: the sectional area of the entrance of this first flow is greater than the sectional area of its outlet, and the sectional area of the entrance of this second runner is less than the sectional area of its outlet; The height of these the first radiating fins is identical with the height of the second radiating fin.
5. cooling system according to claim 4, is characterized in that: the entrance of this first flow connects this first radiating fin group.
6. cooling system according to claim 4, is characterized in that: the outlet of this second runner connects this second radiating fin group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210179406.1A CN102724851B (en) | 2012-06-01 | 2012-06-01 | Heat abstractor and cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210179406.1A CN102724851B (en) | 2012-06-01 | 2012-06-01 | Heat abstractor and cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN102724851A CN102724851A (en) | 2012-10-10 |
| CN102724851B true CN102724851B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210179406.1A Active CN102724851B (en) | 2012-06-01 | 2012-06-01 | Heat abstractor and cooling system |
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| CN (1) | CN102724851B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902728B (en) * | 2014-03-03 | 2019-02-05 | 联想(北京)有限公司 | A kind of electronic equipment and radiating piece |
| JP6848555B2 (en) * | 2016-05-31 | 2021-03-24 | 富士電機株式会社 | Electric power converter for railway vehicles |
| EP3490352B1 (en) * | 2017-11-24 | 2020-11-11 | Siemens Aktiengesellschaft | Low voltage switching device with an asymmetrically guided air flow cooling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050020853A (en) * | 2003-08-22 | 2005-03-04 | 넥스원퓨처 주식회사 | Radiating structure of travelling-wave amplifier |
| CN101730439A (en) * | 2008-10-14 | 2010-06-09 | 英业达股份有限公司 | Heat radiating module |
| CN201562227U (en) * | 2009-10-16 | 2010-08-25 | 联想(北京)有限公司 | Wind guide cover of computer and computer with same |
| US8291964B2 (en) * | 2010-04-19 | 2012-10-23 | Furui Precise Component (Kunshan) Co., Ltd. | Heat sink providing redistributed airflow therethrough |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720626Y (en) * | 2004-06-25 | 2005-08-24 | 鸿富锦精密工业（深圳）有限公司 | Radiator |
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2012
- 2012-06-01 CN CN201210179406.1A patent/CN102724851B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050020853A (en) * | 2003-08-22 | 2005-03-04 | 넥스원퓨처 주식회사 | Radiating structure of travelling-wave amplifier |
| CN101730439A (en) * | 2008-10-14 | 2010-06-09 | 英业达股份有限公司 | Heat radiating module |
| CN201562227U (en) * | 2009-10-16 | 2010-08-25 | 联想(北京)有限公司 | Wind guide cover of computer and computer with same |
| US8291964B2 (en) * | 2010-04-19 | 2012-10-23 | Furui Precise Component (Kunshan) Co., Ltd. | Heat sink providing redistributed airflow therethrough |
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| CN102724851A (en) | 2012-10-10 |
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