CN102724851A - Heat-radiating device and heat-radiating system - Google Patents

Heat-radiating device and heat-radiating system Download PDF

Info

Publication number
CN102724851A
CN102724851A CN2012101794061A CN201210179406A CN102724851A CN 102724851 A CN102724851 A CN 102724851A CN 2012101794061 A CN2012101794061 A CN 2012101794061A CN 201210179406 A CN201210179406 A CN 201210179406A CN 102724851 A CN102724851 A CN 102724851A
Authority
CN
China
Prior art keywords
radiating fin
runner
flow
heat
radiating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012101794061A
Other languages
Chinese (zh)
Other versions
CN102724851B (en
Inventor
黄仁杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIAHONG TECHNOLOGY CONSULTING (SHANGHAI) Co Ltd
Celestica Technology Consultancy Shanghai Co Ltd
Original Assignee
JIAHONG TECHNOLOGY CONSULTING (SHANGHAI) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIAHONG TECHNOLOGY CONSULTING (SHANGHAI) Co Ltd filed Critical JIAHONG TECHNOLOGY CONSULTING (SHANGHAI) Co Ltd
Priority to CN201210179406.1A priority Critical patent/CN102724851B/en
Publication of CN102724851A publication Critical patent/CN102724851A/en
Application granted granted Critical
Publication of CN102724851B publication Critical patent/CN102724851B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a heat-radiating device which is arranged on a heating source and is positioned in one of flow passages. The heat-radiating device comprises first heat-radiating fin groups, second heat-radiating fin groups and baffle plates, wherein the first heat-radiating fin groups are arranged at flow passage inlets; the second heat-radiating fin groups are arranged at flow passage outlets; and the baffle plates are arranged between the first heat-radiating fin groups and the second heat-radiating fin groups and divide the flow passages into first flow passages and second flow passages. The section area of each first flow passage inlet is larger than that of each first flow passage outlet, and the section area of each second flow passage inlet is smaller than that of each second flow passage outlet.

Description

Heat abstractor and cooling system
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 heat abstractor and cooling system that helps pyrotoxin on average to dispel the heat.
Background technology
Generally speaking; Except indispensable assembly such as central processing unit, mainboard and hard disk, also need various hardware to arrange in pairs or groups like large data processing unit such as desktop computer, notebook computer, flat computer or home game machines to promote the function of data processing equipment.These hardware can produce heat when normal operation; And these heats must be discharged outside the data processing equipment effectively; Otherwise the temperature that its interior excessively raises will influence the running of data processing equipment, what is more, possibly itself cause nonvolatil injury to the data processing unit.
Tradition is used for method that the large data processing unit is dispelled the heat, normally makes interior produce cross-ventilation by the louvre on fan and the casing, further sees through air-flow to the heat that is produced and takes out of outside the data processing equipment.But for the hardware accessory that produces a large amount of heats; For example; Central processing unit etc., the mode of depending thermal convection alone is not sufficient to its heat radiation to the temperature range that allows, therefore; These a large amount of hardware that produce heats may extraly be provided with fan on it, or auxiliary heat dissipation spare such as configuration radiating fin helps heat radiation.Set radiating fin can improve the contact area of hardware and air-flow on the hardware, causes more heats to conduct to air-flow.
Yet, though the contact area of hardware and air-flow is enhanced more heats are conducted in the air-flow, the thermal capacity that gas can carry not is unrestricted.For example, if air-flow has been taken away heat through the radiating fin group in the place ahead earlier, when this air-flow passed through the radiating fin group at rear again, its heat of taking away rear radiating fin group will be far fewer than the heat of taking away the place ahead radiating fin group.In other words, the radiating efficiency of different positions differs very big on the hardware.Even certain radiating efficiency partly is high on the hardware, if other partly can't dispel the heat really, hardware still has and may be affected even produce nonvolatil damage.
In prior art, utilize the height design of radiating fin can improve the problems referred to above.See also Fig. 1, Fig. 1 is for being arranged at the sketch map of the radiating fin 12 on the pyrotoxin 10 in the prior art.As shown in Figure 1, the radiating fin 12 on the pyrotoxin 10 is provided with the position according to it and can be divided into first radiating fin 120 and second radiating fin 122, and the airflow direction that fan 14 is produced then is to lead to second radiating fin 122 from first radiating fin 120.Because the height of second radiating fin 122 is higher than first radiating fin 120; So the top air-flow can be through first radiating fin 120 but is directly got into the higher part of second radiating fin 122; And take away its energy, the radiating efficiency of second radiating fin 122 thereby be able to promote.Yet, for reaching the effect of this prior art, must improve the height of 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, can help pyrotoxin on average to dispel the heat and keep less taking up room.
Summary of the invention
The present invention provides a kind of heat abstractor, is used to solve the problem of prior art.
In order to achieve the above object, heat abstractor of the present invention is arranged on the pyrotoxin and is arranged in a runner, and this heat abstractor comprises the first radiating fin group, second radiating fin group and the baffle plate.The first radiating fin group is positioned at the porch of runner and includes several first radiating fins; Second radiating fin is positioned at the exit of runner and includes several second radiating fins; Wherein, the position of position counterpart 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 in the first flow and second runner.The sectional area of first flow inlet is greater than the sectional area of its outlet, and the sectional area of second runner inlet 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 the pyrotoxin heat radiation, and it comprises runner and the heat abstractor that is positioned on the pyrotoxin.Heat abstractor is arranged in the runner, and it comprises the first radiating fin group, second radiating fin group and the baffle plate.The first radiating fin group is positioned at the porch of runner and includes several first radiating fins; Second radiating fin is positioned at the exit of runner and includes several second radiating fins; Wherein, the position of position counterpart 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 the first flow and second runner.The sectional area of first flow inlet is greater than the sectional area of its outlet, and the sectional area of second runner inlet is less than the sectional area of its outlet.
Can graphicly further be understood by following detailed Description Of The Invention and appended about advantage of the present invention and spirit.
Description of drawings
Fig. 1 is for being arranged at the sketch map of the radiating fin on the pyrotoxin in the prior art.
Fig. 2 A is the sketch map 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 sketch map according to the cooling system of 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 clearer being illustrated of the present invention's ability, please can more easily understand the present invention with reference to the following detailed description of the invention and wherein included instance.This specification is only made statement to necessary assembly of the present invention, and the summary description of specification and detailed description only are used to explain the wherein instance of a possibility of the present invention, however the interest field of the technological essence that the record of this specification should not limit the present invention is advocated.Only if 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 at present said only embodiment possible when instance is of the present invention can use and said method and similar or equivalent any method, material, assembly, device or the means of material in practice of the present invention or test.Moreover graphic being merely expressed spirit of the present invention, and it is only for reference that it paints the ratio of stating structure, and the user must be according to the common knowledge that belongs to technical field to amplify the ratio of each construction package or to reduce to reach the said effect of this specification freely.
In addition, unless in addition definition, used all technology of this specification and scientific terminology all have and have the knack of the present invention and belong to the meaning that the operator understands same meaning usually.Although in practice of the present invention or test, can use and said method of they and similar or equivalent any method and the material of material, at present said is case method and material, and this method and example are only for reference.
See also Fig. 2 A and Fig. 2 B, Fig. 2 A is the sketch map of the cooling system 2 of one of the present invention specific embodiment, and 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 to dispel the heat with helping pyrotoxin 3; And in practice; This cooling system 2 can be applicable on the electronic equipment of data processing equipment or the high heat generating components of other tools; For example, can be installed in the casing of desktop computer or projector, dispel the heat to help hardware components such as central processing unit or light emitting source.Shown in Fig. 2 A and Fig. 2 B, cooling system 2 is to cooperate fan F to help pyrotoxin 3 heat radiations, and cooling system 2 can comprise a runner 20 and be arranged on the heat abstractor 22 on the pyrotoxin 3.
In this specific embodiment, the scope of runner 20 is to define with airflow range, but in practice, also can intercept out gas channel by the entity dividing plate, and the present invention does not limit this.After the air flow stream that fan F is produced is crossed runner 20, just discharge by ventilating opening on the casing or heat extraction mouth.
Heat abstractor 22 is arranged on the 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 get into behind the runner 20 can be earlier through the position of the first radiating fin group 220 again through the position of the second radiating fin group 222.The first radiating fin group 220 further comprises several first radiating fins 2200 that are parallel to runner 20 and arrange, and likewise, the second radiating fin group 222 further comprises several second radiating fins 2220 that are parallel to runner 20 and arrange.Shown in Fig. 2 A and Fig. 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.Shown in Fig. 2 A and Fig. 2 B, baffle plate 224 is oblique with respect to runner 20 directions, and further runner 20 is divided into the first flow 200 and second runner 202.In this specific embodiment, the sectional area of the inlet of first flow 200 is greater than the sectional area of its outlet, and the sectional area of the inlet of second runner 202 is then less than the sectional area that exports.The gateway that note that the first flow 200 and second runner 202 is decided with airflow direction, that is air-flow gets into the inlet of the first flow 200 and second runner 202, and leaves from the outlet of the first flow 200 and second runner 202.
When air-flow got into runner 20, the part air-flow was through each first radiating fin 2200 of the first radiating fin group 220, and took away the heat on each first radiating fin 2200.Then, air-flow is got into the first flow 200 and second runner 202 respectively by baffle plate 224 guiding, and flows into the second radiating fin group 222 in the outlet of the first flow 200 and second runner 202.Air-flow is through each second radiating fin 2220 of the second radiating fin group 222, and takes away heat on each second radiating fin 2220.
Shown in Fig. 2 A and Fig. 2 B, because the first radiating fin group 220 and the second radiating fin group 222 are to be staggered, and baffle plate 224 is divided into the first flow 200 and second runner 202 with runner 20.Therefore, air-flow through the first radiating fin group 220 after, whole air-flow can not promote temperature in the lump.Then, distribute the air that gets into the second radiating fin group 222, make through the air of the second radiating fin group 222 and still possess the higher thermal capacity of taking by the first flow 200 and second runner 202.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, can make pyrotoxin 3 by heat radiation 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 the design that runners 20 distribute air-flow based on the above-mentioned first radiating fin group 220 and the second radiating fin group 222 with baffle plate 224; When getting into the second radiating fin group 222, can't significantly reduce in air-flow the capacity of taking heat; So the height of second radiating fin 2220 must extraly not improve, thereby meets the trend of electronic device miniaturization.
See also Fig. 3, Fig. 3 is the sketch map 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 that is used for data processing equipment or the high heat generating components of other tools 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 baffle plate 424 of heat abstractor 42 of this specific embodiment is different with respect to the angle that runner 40 tilts.In detail, the first flow 400 that marked off of baffle plate 424 and second runner 402 and the first flow of a last specific embodiment and the position opposite of second runner.Note that other unit of the cooling system 4 of this specific embodiment, for example the first radiating fin group 420 or the second radiating fin group 422 etc. are identical substantially with corresponding unit in the last specific embodiment, so repeat no more in this.
In this specific embodiment, the sectional area of first flow 400 inlets is greater than the sectional area of its outlet, and the sectional area of second runner, 402 inlets is less than the sectional area of its outlet.The gateway of the first flow 400 and second runner 402 is that this part is described in first previous paragraphs, so repeat no more in this with the airflow direction decision equally.The outlet that the inlet of first flow 400 is connected to the first radiating fin group, 420, the second runners 402 then is connected to the second radiating fin group 422.Can obtain to have the air-flow that equal extent is taken thermal capacity by plate washer 424 division runner 40, the first radiating fin groups 420 and the second radiating fin group 422, make both have roughly the same radiating efficiency.
As shown in Figure 3; Air-flow gets into runner 40 back parts through each first radiating fin 4200 of the first radiating fin group 420 and take away the heat on it; Then; The air-flow that carries the heat that the first radiating fin group 420 transmitted is got into first flows 400 by baffle plate 424 guiding, and discharges through the side of the second radiating fin group 422 and by ventilating opening on the casing or heat extraction mouth in leaving first flow 400 backs.On the other hand; Another part in the air-flow of entering runner 40 is from the side process of the first radiating fin group 420; Then; Air-flow is got into second runner 402 by baffle plate 424 guiding, and gets into the second radiating fin group 422 from the outlet of second runner 402, again the heat on each second radiating fin 4220 of the second radiating fin group 422 is taken away and is discharged from ventilating opening or heat extraction mouth.In this specific embodiment, pass through by the side of the first radiating fin group 420 through the air-flow of the second radiating fin group 422, therefore can be maintained at the thermal capacity of taking when getting into runner 40.Dividing runner 40 by baffle plate is the first flow 400 and second runner 402; Can make the air-flow that gets into the first radiating fin group 420 and the second radiating fin group 422 have the equal thermal capacity of taking; In other words; The first radiating fin group 420 has identical radiating efficiency with the second radiating fin group 422, makes pyrotoxin 3 to 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 in runner and heat abstractor is set on the pyrotoxin, and wherein heat abstractor includes the first radiating fin group that is separately positioned on runner gateway place and the second radiating fin group to help the pyrotoxin heat radiation, in addition; Heat abstractor has baffle plate in addition and is arranged between the first radiating fin group and the second radiating fin group; Use that runner is divided into the first flow and second runner, and then distribute the air-flow that gets in the runner, the air-flow of feasible the flow through first radiating fin group and the second radiating fin group has the equal thermal capacity of taking; In other words, the first radiating fin group and the second radiating fin group have equal radiating efficiency.In addition because the air-flow of the first radiating fin group and the second radiating fin group of flowing through has the equal thermal capacity of taking, so each second radiating fin in the second radiating fin group must extra lifting its highly, meet the trend of the miniaturization of electronic installation pursuit now.
Detail by above preferred embodiment, the clear more characteristic and spirit of describing the present invention, and be not to come the present invention's category is limited with the above-mentioned preferred embodiment that is disclosed.On the contrary, its objective is that hope can contain in the category of claim of being arranged in of various changes and tool equality institute of the present invention desire application.

Claims (8)

1. heat abstractor is arranged in the 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 first radiating fins;
One second radiating fin group is arranged at the exit of this runner, and this second radiating fin group comprises several second radiating fins, the position of position counterpart first radiating fin of part second radiating fin; 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 this runner a first flow parallel to each other and one second runner;
It is characterized in that: the sectional area of the inlet of this first flow is greater than the sectional area of its outlet, and the sectional area of the inlet of this second runner is less than the sectional area of its outlet.
2. heat abstractor according to claim 1 is characterized in that: the height of these first radiating fins is identical substantially with the height of second radiating fin.
3. heat abstractor according to claim 1 is characterized in that: the inlet of this first flow connects this first radiating fin group.
4. heat abstractor according to claim 1 is characterized in that: the outlet of this second runner connects this second radiating fin group.
5. a cooling system dispels the heat in order to help a pyrotoxin, and this cooling system comprises:
One runner is arranged on this pyrotoxin; And
One heat abstractor is 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 first radiating fins;
One second radiating fin group is arranged at the exit of this runner, and this second radiating fin group comprises several second radiating fins, the position of position counterpart first radiating fin of part second radiating fin; 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 this runner a first flow parallel to each other and one second runner;
It is characterized in that: the sectional area of the inlet of this first flow is greater than the sectional area of its outlet, and the sectional area of the inlet of this second runner is less than the sectional area of its outlet.
6. cooling system according to claim 5 is characterized in that: the height of these first radiating fins is identical substantially with the height of these second radiating fins.
7. cooling system according to claim 5 is characterized in that: the inlet of this first flow connects this first radiating fin group.
8. cooling system according to claim 5 is characterized in that: the outlet of this second runner connects this second radiating fin group.
CN201210179406.1A 2012-06-01 2012-06-01 Heat abstractor and cooling system Active CN102724851B (en)

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

Publications (2)

Publication Number Publication Date
CN102724851A true CN102724851A (en) 2012-10-10
CN102724851B CN102724851B (en) 2015-12-16

Family

ID=46950442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210179406.1A Active CN102724851B (en) 2012-06-01 2012-06-01 Heat abstractor and cooling system

Country Status (1)

Country Link
CN (1) CN102724851B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104902728A (en) * 2014-03-03 2015-09-09 联想(北京)有限公司 Electronic equipment and heat-radiating member
JP2018100069A (en) * 2016-05-31 2018-06-28 富士電機株式会社 Power conversion device for railway vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050020853A (en) * 2003-08-22 2005-03-04 넥스원퓨처 주식회사 Radiating structure of travelling-wave amplifier
US20050286232A1 (en) * 2004-06-25 2005-12-29 Foxconn Technology Co., Ltd. Heat sink
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050020853A (en) * 2003-08-22 2005-03-04 넥스원퓨처 주식회사 Radiating structure of travelling-wave amplifier
US20050286232A1 (en) * 2004-06-25 2005-12-29 Foxconn Technology Co., Ltd. Heat sink
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104902728A (en) * 2014-03-03 2015-09-09 联想(北京)有限公司 Electronic equipment and heat-radiating member
CN104902728B (en) * 2014-03-03 2019-02-05 联想(北京)有限公司 A kind of electronic equipment and radiating piece
JP2018100069A (en) * 2016-05-31 2018-06-28 富士電機株式会社 Power conversion device for railway vehicle

Also Published As

Publication number Publication date
CN102724851B (en) 2015-12-16

Similar Documents

Publication Publication Date Title
US9298230B2 (en) Electronic device
US8300405B2 (en) Airflow duct
US8248783B2 (en) Heat dissipation system
US8072753B2 (en) Computer system
US9215832B2 (en) Liquid-cooling module and electronic device using the same
US8659891B2 (en) Heat dissipation system
US8848363B2 (en) Heat dissipation system
TWI636724B (en) Electronic equipment with heat-dissipating function and water-cooled radiator assembly thereof
TW201311129A (en) Electronic device
US20130210334A1 (en) Air conducting cover for electronic device
US20130141865A1 (en) Heat dissipation system
CN102946707B (en) Adjustable guiding device for communication equipment
CN102314205A (en) Integrated computer
CN102724851A (en) Heat-radiating device and heat-radiating system
CN102654790A (en) Heat radiation system
US20150049435A1 (en) Electronic device
US20150163959A1 (en) Electronic device with fan module
TW201416822A (en) Heat dissipation apparatus assembly
WO2017121302A1 (en) Air-guiding cabinet and communication system
CN101082761A (en) Electronic device
CN104765432A (en) Server combination
CN104411144B (en) Cooling system
TWM351392U (en) Wind-conducting cover
US20160224077A1 (en) Enclosure of electronic device
CN105549699A (en) Connection expansion type computer apparatus dissipating heat by utilizing heat dissipation channel

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model