CN106612607A - Efficient bionic heat radiator and manufacturing method thereof - Google Patents
Efficient bionic heat radiator and manufacturing method thereof Download PDFInfo
- Publication number
- CN106612607A CN106612607A CN201710036870.8A CN201710036870A CN106612607A CN 106612607 A CN106612607 A CN 106612607A CN 201710036870 A CN201710036870 A CN 201710036870A CN 106612607 A CN106612607 A CN 106612607A
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- CN
- China
- Prior art keywords
- heat conduction
- conduction wing
- metal sheet
- row
- bionical
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses an efficient bionic heat radiator and a manufacturing method thereof. The heat radiator comprises a bottom heat conducting plate and at least a group of multiple heat conducting fins which are arranged on the bottom heat conducting plate and extend upwards. Each group of the heat conducting fins comprises multiple arrays of the heat conducting fins which are arranged together, and the heat conducting fins in two adjacent arrays of the same group are staggered; or the multiple heat conducting fins are arranged in multiple arrays, and the heat conducting fins in each two adjacent arrays are staggered. Preset intervals are respectively arranged between the fins in each two adjacent arrays and two adjacent heat conducting fins in the same array. The heat radiator can imitate the shape of the thorns of cactus, and all the heat conducting fins are staggered in air; the contact area of the heat radiator and the air not only can be greatly improved, but also the heat exchange coefficient of the heat radiator can be greatly increased, and the heat radiation capability of the heat radiator is accordingly greatly improved.
Description
Technical field
The present invention relates to a kind of radiator, more particularly to a kind of efficiently bionical radiator and preparation method thereof.
Background technology
Free convection heat exchange formula Q=hA △ T, wherein Q are heat, and △ T are the temperature difference of spreader surface and environment, A
For effective area of dissipation, h is heat exchange coefficient, the aluminium extruded or die casting radiator of prior art, mostly more attention rates
It is placed on area of dissipation A, when power of heat source is big, when energy density is big, often to increase area of dissipation scattered to improve by simple
Thermal effect, for example, arranges multiple radiating fins on a heat sink, but this can cause heatsink weight big, and cost increases a lot.
The content of the invention
The invention provides a kind of efficiently bionical radiator and preparation method thereof, which overcomes the radiator institute of prior art
The weak point of presence.
The technical solution adopted for the present invention to solve the technical problems is：A kind of efficiently bionical radiator, including heat conduction bottom
Plate and it is located in the conductive sole plate and upwardly extending multiple heat conduction wing bars, the plurality of heat conduction wing bar includes least one set, per group
Including side-by-side some row heat conduction wing bars, and it is in be dislocatedly distributed per two adjacent row heat conduction wing bars in same group, or,
The plurality of heat conduction wing bar is arranged into multiple row, and is in be dislocatedly distributed per two adjacent row heat conduction wing bars；Per two adjacent row heat conduction wings
There is between two adjacent heat conduction wing bars between bar, in same row preset pitch respectively.
Further, the plurality of heat conduction wing bar includes two groups, and two groups of heat conduction wing bars are located at relative two of conductive sole plate
Side, and each row heat conduction wing bar arranged in the same direction.
Further, the conductive sole plate and heat conduction wing bar are made by same metal sheet, and every group of heat conduction wing bar
Repeatedly cut or be stamped and formed out multiple strip branches respectively by same one end of metal sheet in the same direction, then from strip branch to
Upper bending is formed, and the metal sheet does not cut or the part of punching press forms the conductive sole plate.
Further, each heat conduction wing bar includes bending section and the main paragraph on bending section respectively, and same group is led
In hot wing bar, the length of the bending section of each row heat conduction wing bar and/or angle of inclination differ, the bending of each heat conduction wing bar of same column
The length of section is consistent with angle of inclination.
Further, each group includes two row heat conduction wing bars respectively.
Further, the bottom surface of the conductive sole plate is heat source-contacting surface, or the conductive sole plate is fixed on a radiating
On plate, the bottom surface of the heat sink is heat source-contacting surface.
Further, the cross section of each heat conduction wing bar is that polygon is circular or oval.
The present invention separately provides a kind of manufacture method of efficiently bionical radiator, comprises the following steps：
1) one metal sheet of preparation；
2) repeatedly cut in the same direction or punching press at least one end of the metal sheet, form multiple roots and glue
Connect and discrete strip branch；
3) by the respectively bending upwards of each strip branch, and cut with one end in the same direction or be stamped to form by metal sheet
Multiple strip branches form side-by-side some row by bending, and are in be dislocatedly distributed per two adjacent row strip branches；It is each to
The strip branch of upper bending forms heat conduction wing bar respectively, is cut or the part of punching press forms conductive sole plate on metal sheet.
Further, the step 2) in, carry out in the same direction respectively repeatedly at the relative two ends of the metal sheet
Cut or punching press, form multiple root adhesions and discrete strip branch.
Further, positioned at metal sheet positioned at the length of each strip branch of same one end consistent, the step 3) in, by gold
Belong to sheet material with each strip branch of one end respectively in the bending upwards of its root position, and each strip branch is rolled near the part of root
Curve bending section, the part on bending section be bent into into main paragraph, and the length of the bending section of two adjacent strip branches and/or
Angle of inclination is different, makes the multiple strip branches positioned at metal sheet with one end and after bending form side-by-side some row,
And every two adjacent row strip branches are in be dislocatedly distributed.
Compared to prior art, the invention has the advantages that：
1st, the conductive sole plate, the design of heat conduction wing bar, enable the radiator to copy the form of the thorn of Radix et Caulis Opuntiae Dillenii, often
Individual heat conduction wing bar all staggers in air, can not only greatly improve the contact area of radiator and air, moreover it is possible to greatly improve
The heat exchange coefficient of radiator, so as to increase substantially the heat-sinking capability of radiator.
2nd, radiator of the invention is preferably produced by the way of punching press panel beating and bending, and processing is quick, low cost.
The present invention is described in further detail below in conjunction with drawings and Examples；But a kind of efficiently bionical of the present invention dissipates
Hot device and preparation method thereof is not limited to embodiment.
Description of the drawings
Fig. 1 is the structural representation of the radiator of one present invention of embodiment；
Fig. 2 is the side view (containing thermal source) of the radiator of one present invention of embodiment；
Fig. 3 is the Making programme schematic diagram of the radiator of one present invention of embodiment；
Fig. 4 is the structural representation (containing thermal source) of the radiator of two present invention of embodiment；
Fig. 5 is the side view (containing thermal source) of the radiator of two present invention of embodiment.
Specific embodiment
Embodiment one
Refer to shown in Fig. 1, Fig. 2, a kind of efficiently bionical radiator of the present invention, including conductive sole plate 1 and with heat conduction bottom
Plate 1 is integrally formed and upwardly extending multiple heat conduction wing bars 2, and the plurality of heat conduction wing bar 2 includes least one set, and per group is included side by side
Some row heat conduction wing bars 2 together, and every two adjacent row heat conduction wing bars 2 are in be dislocatedly distributed in same group, per adjacent two
There is between two adjacent heat conduction wing bars 2 between row heat conduction wing bar, in same row preset pitch respectively.
In the present embodiment, the conductive sole plate 1 and heat conduction wing bar 2 are made by same metal sheet, and every group of heat conduction
Wing bar 2 carries out Multi-step forming in the same direction by same one end of metal sheet respectively and forms multiple strip branches, then from strip branch to
Upper bending is formed, and the part of the non-punching press of the metal sheet forms the conductive sole plate 1.The metal sheet can also be using sanction
Cut or alternate manner is forming the plurality of strip branch.
In the present embodiment, each heat conduction wing bar 2 includes bending section 21 and the main paragraph 22 on bending section 21 respectively, together
In one group of heat conduction wing bar 2, the length of the bending section 21 of each row heat conduction wing bar 2 is differed, the bending of each heat conduction wing bar 2 of same column
The length of section 21 is consistent with angle of inclination.The main paragraph 22 is straight up.
In the present embodiment, the plurality of heat conduction wing bar 2 includes two groups, and each group includes two row heat conduction wing bars 2, totally four row, should
Two groups of heat conduction wing bars 2 are located at the relative both sides of conductive sole plate 1, and each row heat conduction wing bar 2 is arranged in the same direction.The two of each group
In row, each heat conduction wing bar 2 positioned at outer rows is respectively smaller than positioned at the length of the bending section 21 of each heat conduction wing bar 2 of inner column
The length of bending section 21, the length positioned at the main paragraph 22 of each heat conduction wing bar 2 of inner column are respectively greater than located at each of outer rows
The length of the main paragraph 22 of heat conduction wing bar 2.The cross section approximating square or rectangle of each heat conduction wing bar 2, can also make special-shaped sanction
Cut or bending.
In the present embodiment, the bottom surface of the conductive sole plate 1 is heat source-contacting surface, and the thermal source is LED light source 3, such as Fig. 2 institutes
Show.Additionally, the thermal source can also be other thermals source in LED, such as driving power supply or including several thermals source etc., but not office
The thermal source being limited in LED.
During work, the heat transfer that LED light source 3 is produced is directly passed to and is respectively led to conductive sole plate 1, then Jing conductive sole plates 1
Hot wing bar 2, most after air stream between each heat conduction wing bar 2 of Jing and heat conduction wing bar 2 complete heat exchange, as shown in Fig. 2 arrow in figure
Head represents heat flow direction.Free convection heat exchange formula Q=hA △ T, Q are heat, and △ T are spreader surface and environment
The temperature difference, A are effective area of dissipation, and h is heat exchange coefficient, about 4W/m2. DEG C of the average h values of traditional aluminium extruded or die casting radiator,
And the present invention is by the form of the thorn of imitation Radix et Caulis Opuntiae Dillenii so that air is effectively heated when flowing through heat conduction wing bar 2 and quick and nothing
The expansion of obstacle ground rises so that average heat exchange coefficient h reaches 30W/m2. DEG C, even more high, so as to greatly increase radiating effect
Rate.In addition, during the cutting of strip branch, the generation for cutting face is increased area of dissipation by about one time, so as to realize using
Little material is doing the radiator of high-power thermal source.On the other hand, the direction that cuts of strip branch is coincide with the direction of heat transfer,
Therefore strip branch both can be used as excellent heat transmission medium, while also serving as excellent heat exchange medium, the two is unified so that
The present invention farthest make use of material, be truly realized high-efficiency and low-cost.
Shown in Figure 3, a kind of manufacture method of efficiently bionical radiator of the present invention is comprised the following steps：
1) one metal sheet 4 of preparation；
2) repeatedly cut in the same direction or punching press at least one end of the metal sheet 4, formed multiple roots
Adhesion and discrete strip branch 41；
3) by the respectively bending upwards of each strip branch 41, and cut with one end in the same direction by metal sheet 4 or punching press and
Into multiple strip branches 41 side-by-side some row are formed by bending, and per two adjacent row strip branches 41 in dislocation point
Cloth；The strip branch 41 of each bending upwards forms heat conduction wing bar 2 respectively, cut on metal sheet 4 or punching press part shape
Into conductive sole plate 1.
In the present embodiment, the step 2) in, carried out in the same direction at the relative two ends of the metal sheet 4 respectively many
It is secondary to cut or punching press, form multiple root adhesions and discrete strip branch 41.
In the present embodiment, positioned at metal sheet 4 with the length of each strip branch 41 of one end consistent, the step 3) in, will
Metal sheet 4 with each strip branch 41 of one end respectively in the bending upwards of its root position, and by each strip branch 41 near root
Part be bent into bending section, the part on bending section is bent into into main paragraph, and the bending section of two adjacent strip branches 41
Length and/or angle of inclination it is different, the multiple strip branches 41 positioned at metal sheet 4 with one end and after bending is formed and is come
Some row together, and be in be dislocatedly distributed per two adjacent row strip branches 41.
Embodiment two
Refer to shown in Fig. 4, Fig. 5, which with the difference of embodiment one is：The conductive sole plate 1 is fixed on a heat sink 5
On, the bottom surface of the heat sink 5 is heat source-contacting surface.The thermal source is LED light source plate 6, and multiple LED are distributed with the light source board 6
SMD lamp 7.The thermal source can also be other thermals source in LED, for example driving power supply or including several thermals source etc., but not office
The thermal source being limited in LED.
In the present embodiment, the quantity of the conductive sole plate 1 is multiple, and the plurality of conductive sole plate 1 is distributed in heat sink 5 side by side
Top surface.
During work, the heat that each Surface-mount LED lamp 7 is produced is delivered separately to heat sink 5, then is transmitted by heat sink 5 successively
To each conductive sole plate 1, each heat conduction wing bar 2, most after air stream between each heat conduction wing bar 2 of Jing and heat conduction wing bar 2 complete
Heat exchange.As shown in figure 5, arrow represents heat flow direction in figure.
In other embodiments, the plurality of heat conduction wing bar is arranged into multiple row, and per two adjacent row heat conduction wing bars in mistake
Bit distribution.
Above-described embodiment is only used for a kind of efficiently bionical radiator and preparation method thereof for further illustrating the present invention, but this
Invention is not limited to embodiment, any simple modification that every technical spirit according to the present invention is made to above example,
Equivalent variations and modification, each fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of efficiently bionical radiator, it is characterised in that：Including conductive sole plate and being located in the conductive sole plate and upwardly extend
Multiple heat conduction wing bars, the plurality of heat conduction wing bar includes least one set, and per group includes side-by-side some row heat conduction wing bars,
And every two adjacent row heat conduction wing bars are in be dislocatedly distributed in same group, or, the plurality of heat conduction wing bar is arranged into multiple row, and per phase
Two adjacent row heat conduction wing bars are in be dislocatedly distributed；Per between two adjacent row heat conduction wing bars, two heat conduction wing bars adjacent in same row
Between respectively have preset pitch.
2. efficiently bionical radiator according to claim 1, it is characterised in that：The plurality of heat conduction wing bar includes two groups,
Two groups of heat conduction wing bars are located at the relative both sides of conductive sole plate, and each row heat conduction wing bar is arranged in the same direction.
3. efficiently bionical radiator according to claim 1 and 2, it is characterised in that：The conductive sole plate and heat conduction wing bar
It is made by same metal sheet, and every group of heat conduction wing bar is carried out repeatedly in the same direction by same one end of metal sheet respectively
Cut or be stamped and formed out multiple strip branches, then bending is formed upwards by strip branch, the metal sheet do not cut or punching press portion
Divide and form the conductive sole plate.
4. efficiently bionical radiator according to claim 3, it is characterised in that：Each heat conduction wing bar respectively include bending section and
Main paragraph on bending section, in same group of heat conduction wing bar, the length of the bending section of each row heat conduction wing bar and/or inclination
Angle is differed, and the length of the bending section of each heat conduction wing bar of same column is consistent with angle of inclination.
5. efficiently bionical radiator according to claim 1 and 2, it is characterised in that：Each group includes two row heat conduction wings respectively
Bar.
6. efficiently bionical radiator according to claim 1, it is characterised in that：The bottom surface of the conductive sole plate is connect for thermal source
Contacting surface, or the conductive sole plate is fixed on a heat sink, the bottom surface of the heat sink is heat source-contacting surface.
7. efficiently bionical radiator according to claim 1, it is characterised in that：The cross section of each heat conduction wing bar is polygon
It is circular or oval.
8. a kind of manufacture method of efficiently bionical radiator, it is characterised in that：Comprise the following steps：
1) one metal sheet of preparation；
2) repeatedly cut in the same direction or punching press at least one end of the metal sheet, formed multiple root adhesions and
Discrete strip branch；
3) by the bending upwards respectively of each strip branch, multiple for being cut with one end in the same direction or be stamped to form by metal sheet
Shape branch forms side-by-side some row by bending, and is in be dislocatedly distributed per two adjacent row strip branches；Each bending upwards
Strip branch form heat conduction wing bar respectively, cut on metal sheet or punching press part formed conductive sole plate.
9. the manufacture method of efficiently bionical radiator according to claim 8, it is characterised in that：The step 2) in,
The relative two ends of the metal sheet are repeatedly cut or punching press respectively in the same direction, form multiple root adhesions and discrete
Strip branch.
10. the manufacture method of efficiently bionical radiator according to claim 8, it is characterised in that：It is same positioned at metal sheet
The length of each strip branch of one end is consistent, the step 3) in, by metal sheet with each strip branch of one end respectively in its root
The bending upwards of portion position, and each strip branch is bent into into bending section near the part of root, by the part bending on bending section
The length of the bending section of two strip branches into main paragraph and adjacent and/or angle of inclination are different, make one end same positioned at metal sheet
And the multiple strip branches after bending form side-by-side some row, and it is in be dislocatedly distributed per two adjacent row strip branches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036870.8A CN106612607B (en) | 2017-01-18 | 2017-01-18 | A kind of efficiently bionical radiator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036870.8A CN106612607B (en) | 2017-01-18 | 2017-01-18 | A kind of efficiently bionical radiator and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106612607A true CN106612607A (en) | 2017-05-03 |
| CN106612607B CN106612607B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710036870.8A Active CN106612607B (en) | 2017-01-18 | 2017-01-18 | A kind of efficiently bionical radiator and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2465325Y (en) * | 2001-02-19 | 2001-12-12 | 魏文珍 | Fin structure for heat sink |
| CN101212888A (en) * | 2006-12-30 | 2008-07-02 | 中国科学院理化技术研究所 | Bionic power-driven radiator with heart-like structure |
| CN101699132A (en) * | 2009-11-18 | 2010-04-28 | 深圳市爱能科技有限公司 | LED module and LED lamps |
| CN201898125U (en) * | 2010-10-26 | 2011-07-13 | 李明烈 | Radiator with piled and staggered fins |
| CN103002716A (en) * | 2012-10-30 | 2013-03-27 | 任立元 | Bionic convection heat radiation device |
| CN103002715A (en) * | 2012-10-29 | 2013-03-27 | 任立元 | Radiating fin in shape of narcissus leaf |
| CN104053342A (en) * | 2014-06-25 | 2014-09-17 | 上海理工大学 | Twisted-tooth cooling fin |
| CN205424862U (en) * | 2015-12-07 | 2016-08-03 | 谢彦涛 | Radiator and lamp with same |
-
2017
- 2017-01-18 CN CN201710036870.8A patent/CN106612607B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2465325Y (en) * | 2001-02-19 | 2001-12-12 | 魏文珍 | Fin structure for heat sink |
| CN101212888A (en) * | 2006-12-30 | 2008-07-02 | 中国科学院理化技术研究所 | Bionic power-driven radiator with heart-like structure |
| CN101699132A (en) * | 2009-11-18 | 2010-04-28 | 深圳市爱能科技有限公司 | LED module and LED lamps |
| CN201898125U (en) * | 2010-10-26 | 2011-07-13 | 李明烈 | Radiator with piled and staggered fins |
| CN103002715A (en) * | 2012-10-29 | 2013-03-27 | 任立元 | Radiating fin in shape of narcissus leaf |
| CN103002716A (en) * | 2012-10-30 | 2013-03-27 | 任立元 | Bionic convection heat radiation device |
| CN104053342A (en) * | 2014-06-25 | 2014-09-17 | 上海理工大学 | Twisted-tooth cooling fin |
| CN205424862U (en) * | 2015-12-07 | 2016-08-03 | 谢彦涛 | Radiator and lamp with same |
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| Publication number | Publication date |
|---|---|
| CN106612607B (en) | 2019-06-04 |
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Address after: 362000 Photoelectric Industrial Park of Hengshan Village, Hutou Town, Anxi County, Quanzhou City, Fujian Province Applicant after: Fujian Zhongke biological Limited by Share Ltd Address before: 361000 Yuming Photoelectric Building, 1745 Luling Road, Siming District, Xiamen City, Fujian Province Applicant before: Fujian Zhongke biological Limited by Share Ltd |
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