CN102984925A - Disconnected and staggered air-cooling radiator - Google Patents
Disconnected and staggered air-cooling radiator Download PDFInfo
- Publication number
- CN102984925A CN102984925A CN2012104918761A CN201210491876A CN102984925A CN 102984925 A CN102984925 A CN 102984925A CN 2012104918761 A CN2012104918761 A CN 2012104918761A CN 201210491876 A CN201210491876 A CN 201210491876A CN 102984925 A CN102984925 A CN 102984925A
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- Prior art keywords
- tooth pitch
- fins set
- fin
- substrate
- pitch fins
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/14—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by endowing the walls of conduits with zones of different degrees of conduction of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a disconnected and staggered air-cooling radiator which comprises a substrate, baffles and fin arrays. The radiator is characterized in that the fin arrays comprise a wide-pitch fin group and a narrow-pitch fin group; the baffles are fixed at two ends of the substrate, accommodation space capable of accommodating the wide-pitch fin group and the narrow-pitch fin group is formed between the substrate and the baffles, the wide-pitch fin group and the narrow-pitch fin group are fixed in the accommodation space, and a disconnected area is arranged between the wide-pitch fin group and a narrow-pitch fin group. According to the disconnected and staggered air-cooling radiator, two groups radiating fin arrays with different pitches are arranged, so that the problem of reduced radiating capacities in a flow direction is solved, the substrate mounting face temperature is uniform, the normal operation of a power module is facilitated, and the accident frequency caused by local excess temperatures is reduced; and the processing difficulty is decreased while thermal resistance is met, accordingly, the processing cost is reduced, and the economic applicability is high.
Description
Technical field
The present invention relates to a kind of heat transfer technology field, specifically a kind of cooling device of electric locomotive auxiliary power module, i.e. a kind of interruption dislocation air-cooled radiator.
Background technology
At present, the air-cooled radiator mode of operation is: the heat that produces during power model work, by it contact-making surface is installed and is passed to substrate in the mode of heat conduction, mode with heat conduction diffuses to fin with heat from substrate again, and finally the mode with heat convection is transferred to heat the atmospheric environment from air-cooled radiator.And after whole system reached heat balance, substrate temperature can maintain power model can the normal working temperature scope.
Existing problems: along with the high power of electronic devices and components, high integrated develop rapidly, liberated heat is increasing during its work, requirement to radiator is more and more harsher, normal operation has a significant impact the temperature homogeneity of radiator base plate to power model, on air-flow direction, substrate and Air Temperature Difference are on a declining curve, and local heat-sinking capability descends, and it is most important for the hot property of radiator to improve this situation.
Summary of the invention
According to the technical problem of above-mentioned proposition, and provide a kind of interruption dislocation air-cooled radiator.The technological means that the present invention adopts is as follows:
A kind of interruption dislocation air-cooled radiator comprises substrate, baffle plate and fins set, and it is characterized in that: described fins set comprises wide tooth pitch fins set and narrow tooth pitch fins set; Described substrate two ends are fixed with described baffle plate, form the spatial accommodation that can hold described wide tooth pitch fins set and described narrow tooth pitch fins set between described substrate and the described baffle plate, described wide tooth pitch fins set and described narrow tooth pitch fins set are fixed in the described spatial accommodation; Be provided with between described wide tooth pitch fins set and the described narrow tooth pitch fins set and be interrupted the district.
As preferably, also be provided with on the described substrate be used to the detent of locating described wide tooth pitch fins set and described narrow tooth pitch fins set, the quantity of described detent equals the quantity of fin in described wide tooth pitch fins set and the described narrow tooth pitch fins set.
As preferably, the fin that forms described wide tooth pitch fins set and described narrow tooth pitch fins set is that the cross section is plain fin or the corrugated fin of rectangle.
As preferably, when described fin was corrugated fin, after described corrugated fin and described substrate were fixing, the wavelength direction of described corrugated fin was parallel with the flow direction of air or vertical with the flow direction of air, and the wavelength X of described corrugated fin is 10-20mm.
As preferably, the length of described substrate is W, and width is L1, and described substrate is H to the height of described baffle plate top edge, and described W, L1 and H satisfy:
300mm≤W≤500mm；
200mm≤L1≤400mm；
80mm≤H≤90mm；
The thickness of described baffle plate is S1, and S1 satisfies: 4mm≤S1≤8mm;
The fin thickness of described wide tooth pitch fins set and described narrow tooth pitch fins set is S3, and S3 satisfies: 1mm≤S3≤3mm;
The tooth pitch of described wide tooth pitch fins set is S2, and S2 satisfies: 8mm≤S2≤12mm;
The tooth pitch of described narrow tooth pitch fins set is S, and S satisfies: 4mm≤S≤6mm;
The fin width of described wide tooth pitch fins set is L2, and L2 satisfies: 100mm≤L2≤200mm; The institute
Stating the width that is interrupted the district is L3, and L3 satisfies: 3mm≤L3≤6mm;
The degree of depth of described detent is S4, and S4 satisfies: 0.5mm≤S4≤1.5mm.
Technical problem solved by the invention is, provides that a kind of processing cost is lower, the plate surface temperature is more even, heat-sinking capability better, is used for the air-cooled radiator of electronic devices and components cooling.
Interruption dislocation air-cooled radiator provided by the invention, by wide, the narrow fins set of different tooth pitches is set, fin is connected with substrate by inlaying welding manner, form air communication channel between fin and the fin, on air-flow direction, import department arranges wide tooth pitch passage, and the exit arranges narrow tooth pitch passage, and the purpose that reduces on the air-flow direction near the width of exit passage is in order to increase area of dissipation; Wide tooth pitch passage and narrow tooth pitch passage discontinuity treatment, interval 3-6mm reduces the thermal-boundary-leyer thickness of narrow tooth pitch passage, increases heat exchange coefficient; Narrow tooth pitch fins set and wide tooth pitch fins set present dislocation and arrange.
The present invention is by arranging two groups of different radiating fin groups of tooth pitch, improved the problem that the heat-sinking capability on the flow direction descends, make substrate installed surface more uniform temperature, more be conducive to the normal operation of power model, reduce because the accident frequency of the too high initiation of local temperature; And when satisfying thermal resistance, reduce difficulty of processing, thereby lowered processing cost, economic serviceability is strong; And can conveniently regulate wide, narrow tooth pitch fins set according to different working condition requirements arranges.
The invention solves the problem that the Local Heat Transfer ability descends on the air-cooled radiator streamwise, the present invention can be in the cooling (heat dissipation capacity 1000W-2000W) of electric locomotive auxiliary power module for the foregoing reasons; Corresponding electronic cooling (the electronic component caloric value is not more than 2000W) or other association areas are extensively promoted.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is end view of the present invention.
Fig. 4 is the sectional view of corrugated fin of the present invention.
Embodiment
As shown in Figure 1, a kind of interruption dislocation air-cooled radiator, comprise substrate 1, baffle plate 2 and fins set, described fins set comprises wide tooth pitch fins set 3 and narrow tooth pitch fins set 4, and the fin that forms described wide tooth pitch fins set 3 and described narrow tooth pitch fins set 4 is that the cross section is plain fin or the corrugated fin of rectangle.When described fin is corrugated fin (as shown in Figure 4), after described corrugated fin and described substrate 1 are fixed, the wavelength direction of described corrugated fin is parallel with the flow direction of air or vertical with the flow direction of air, and the wavelength X of described corrugated fin is 10-20mm.
In the present embodiment, the fin that provides is plain fin (as shown in Figure 2), the thickness S3=2mm of fin; The tooth pitch of described wide tooth pitch fins set 3 is S2, S2=12mm; The tooth pitch of described narrow tooth pitch fins set 4 is S, S=6mm; The fin width of described wide tooth pitch fins set 3 is L2, L2=200mm; The length of described substrate 1 is W, and width is L1, and described substrate 1 is H to the height of described baffle plate 2 top edges, W=500mm; L1=400mm; H=85mm; Described substrate 1 two ends are fixed with described baffle plate 2, and the thickness of described baffle plate 2 is S1, S1=6mm; Form the spatial accommodation that can hold described wide tooth pitch fins set 3 and described narrow tooth pitch fins set 4 between described substrate 1 and the described baffle plate 2, also be provided with on the described substrate 1 be used to the detent (as shown in Figure 3) of locating described wide tooth pitch fins set 3 and described narrow tooth pitch fins set 4, the degree of depth of described detent is S4, S4=1mm; The quantity of described detent equals the quantity of fin in described wide tooth pitch fins set 3 and the described narrow tooth pitch fins set 4; Be provided with between described wide tooth pitch fins set 3 and the described narrow tooth pitch fins set 4 and be interrupted the district, the width in described interruption district is L3, L3=6mm.
The present invention can design according to actual condition the shape of radiator and the fin thereof of different size, be not limited to two kinds of cross sectional shapes provided by the invention, all can satisfy the fin of the parameter requests such as heat dispersion and circulating resistance and heat sink size all can, final effect is in order to reach the uniform purpose of substrate 1 exothermic temperature.
Processing method of the present invention is as follows: confirm the tooth pitch of wide tooth pitch fins set 3 and narrow tooth pitch fins set 4 and fin pattern processing fin according to actual condition, adopt common cutting machine processing aluminium panels to get final product; Mill out the fin detent by CNC milling machine at substrate 1; Fin and substrate 1 are coated the solution solder flux through after cleaning in the detent of fin root and substrate 1, fin is inserted the installation site, fix with anchor clamps, and substrate 1 and fin are put into vacuum furnace; Treat that fin and substrate are integrally welded, make it reach final dimensional requirement by fine finishining.
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (5)
1. one kind is interrupted the dislocation air-cooled radiator, comprises substrate (1), baffle plate (2) and fins set, and it is characterized in that: described fins set comprises wide tooth pitch fins set (3) and narrow tooth pitch fins set (4); Described substrate (1) two ends are fixed with described baffle plate (2), form the spatial accommodation that can hold described wide tooth pitch fins set (3) and described narrow tooth pitch fins set (4) between described substrate (1) and the described baffle plate (2), described wide tooth pitch fins set (3) and described narrow tooth pitch fins set (4) are fixed in the described spatial accommodation; Be provided with between described wide tooth pitch fins set (3) and the described narrow tooth pitch fins set (4) and be interrupted the district.
2. interruption according to claim 1 dislocation air-cooled radiator, it is characterized in that: also be provided with on the described substrate (1) be used to the detent of locating described wide tooth pitch fins set (3) and described narrow tooth pitch fins set (4), the quantity of described detent equals the quantity of fin in described wide tooth pitch fins set (3) and the described narrow tooth pitch fins set (4).
3. interruption according to claim 1 dislocation air-cooled radiator, it is characterized in that: the fin that forms described wide tooth pitch fins set (3) and described narrow tooth pitch fins set (4) is that the cross section is plain fin or the corrugated fin of rectangle.
4. interruption according to claim 3 dislocation air-cooled radiator, it is characterized in that: when described fin is corrugated fin, after described corrugated fin and described substrate (1) are fixing, the wavelength direction of described corrugated fin is parallel with the flow direction of air or vertical with the flow direction of air, and the wavelength X of described corrugated fin is 10-20mm.
5. interruption according to claim 1 dislocation air-cooled radiator, it is characterized in that: the length of described substrate (1) is W, and width is L1, and described substrate (1) is H to the height of described baffle plate (2) top edge, and described W, L1 and H are satisfied:
300mm≤W≤500mm；
200mm≤L1≤400mm；
80mm≤H≤90mm；
The thickness of described baffle plate (2) is S1, and S1 satisfies: 4mm≤S1≤8mm;
The fin thickness of described wide tooth pitch fins set (3) and described narrow tooth pitch fins set (4) is S3, and S3 satisfies: 1mm≤S3≤3mm;
The tooth pitch of described wide tooth pitch fins set (3) is S2, and S2 satisfies: 8mm≤S2≤12mm;
The tooth pitch of described narrow tooth pitch fins set (4) is S, and S satisfies: 4mm≤S≤6mm;
The fin width of described wide tooth pitch fins set (3) is L2, and L2 satisfies: 100mm≤L2≤200mm;
The width in described interruption district is L3, and L3 satisfies: 3mm≤L3≤6mm;
The degree of depth of described detent is S4, and S4 satisfies: 0.5mm≤S4≤1.5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104918761A CN102984925A (en) | 2012-11-27 | 2012-11-27 | Disconnected and staggered air-cooling radiator |
| PCT/CN2012/086629 WO2014082349A1 (en) | 2012-11-27 | 2012-12-14 | Disconnected and staggered air-cooling radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104918761A CN102984925A (en) | 2012-11-27 | 2012-11-27 | Disconnected and staggered air-cooling radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102984925A true CN102984925A (en) | 2013-03-20 |
Family
ID=47858529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104918761A Pending CN102984925A (en) | 2012-11-27 | 2012-11-27 | Disconnected and staggered air-cooling radiator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102984925A (en) |
| WO (1) | WO2014082349A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369932A (en) * | 2013-07-16 | 2013-10-23 | 株洲智热技术有限公司 | Layout method for radiating fins of power device radiator and radiator |
| CN106455423A (en) * | 2016-09-26 | 2017-02-22 | 株洲中车时代电气股份有限公司 | Low-flow resistance mean-temperature radiator for rail transit converter |
| CN106507648A (en) * | 2016-12-29 | 2017-03-15 | 西门子（上海）电气传动设备有限公司 | The radiator structure of high heater element, frequency converter and inverter |
| CN106839852A (en) * | 2017-01-22 | 2017-06-13 | 上海交通大学 | A kind of radiator with high performance and its fin method for arranging |
| WO2019227393A1 (en) * | 2018-05-31 | 2019-12-05 | 深圳市大疆创新科技有限公司 | Heat dissipating system and photographic device |
| CN111916410A (en) * | 2019-05-10 | 2020-11-10 | 株洲中车时代电气股份有限公司 | Heat radiator |
| CN112423539A (en) * | 2019-08-23 | 2021-02-26 | 中车株洲电力机车研究所有限公司 | Uniform temperature heat pipe radiator and IGBT converter heat radiation device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3046220B1 (en) * | 2015-12-23 | 2017-12-29 | Renault Sas | DEVICE FOR TEMPERATURING AN OBJECT |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003188321A (en) * | 2001-12-18 | 2003-07-04 | Furukawa Electric Co Ltd:The | Heat sink |
| CN1967440A (en) * | 2005-11-17 | 2007-05-23 | 富准精密工业(深圳)有限公司 | Heat sink |
| CN102647891A (en) * | 2012-04-29 | 2012-08-22 | 中国北车集团大连机车研究所有限公司 | Air cooling radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003258169A (en) * | 2002-03-05 | 2003-09-12 | Fujikura Ltd | Heat sink |
| CN2752850Y (en) * | 2004-11-06 | 2006-01-18 | 上海环达计算机科技有限公司 | Reflective noise reduction radiator |
| JP2007208116A (en) * | 2006-02-03 | 2007-08-16 | Fuji Electric Systems Co Ltd | Air-cooled cooler |
| JP4741999B2 (en) * | 2006-09-07 | 2011-08-10 | 日本電気株式会社 | Heat dissipation device and radio |
| JP2008177314A (en) * | 2007-01-18 | 2008-07-31 | Yaskawa Electric Corp | Motor controller |
| TWI334529B (en) * | 2007-06-15 | 2010-12-11 | Foxconn Tech Co Ltd | Heat dissipation device |
-
2012
- 2012-11-27 CN CN2012104918761A patent/CN102984925A/en active Pending
- 2012-12-14 WO PCT/CN2012/086629 patent/WO2014082349A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003188321A (en) * | 2001-12-18 | 2003-07-04 | Furukawa Electric Co Ltd:The | Heat sink |
| CN1967440A (en) * | 2005-11-17 | 2007-05-23 | 富准精密工业(深圳)有限公司 | Heat sink |
| CN102647891A (en) * | 2012-04-29 | 2012-08-22 | 中国北车集团大连机车研究所有限公司 | Air cooling radiator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369932A (en) * | 2013-07-16 | 2013-10-23 | 株洲智热技术有限公司 | Layout method for radiating fins of power device radiator and radiator |
| CN106455423A (en) * | 2016-09-26 | 2017-02-22 | 株洲中车时代电气股份有限公司 | Low-flow resistance mean-temperature radiator for rail transit converter |
| CN106507648A (en) * | 2016-12-29 | 2017-03-15 | 西门子（上海）电气传动设备有限公司 | The radiator structure of high heater element, frequency converter and inverter |
| CN106839852A (en) * | 2017-01-22 | 2017-06-13 | 上海交通大学 | A kind of radiator with high performance and its fin method for arranging |
| WO2019227393A1 (en) * | 2018-05-31 | 2019-12-05 | 深圳市大疆创新科技有限公司 | Heat dissipating system and photographic device |
| CN111916410A (en) * | 2019-05-10 | 2020-11-10 | 株洲中车时代电气股份有限公司 | Heat radiator |
| CN112423539A (en) * | 2019-08-23 | 2021-02-26 | 中车株洲电力机车研究所有限公司 | Uniform temperature heat pipe radiator and IGBT converter heat radiation device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014082349A1 (en) | 2014-06-05 |
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Application publication date: 20130320 |