CN102984925A - Disconnected and staggered air-cooling radiator - Google Patents

Disconnected and staggered air-cooling radiator Download PDF

Info

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
Authority
CN
China
Prior art keywords
tooth pitch
fin
fins
substrate
narrow
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.)
Pending
Application number
CN2012104918761A
Other languages
Chinese (zh)
Inventor
王硕
张学谦
郭华仲
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.)
CNR Dalian Locomotive Research Institute Co Ltd
Original Assignee
CNR Dalian Locomotive Research Institute 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 CNR Dalian Locomotive Research Institute Co Ltd filed Critical CNR Dalian Locomotive Research Institute Co Ltd
Priority to CN2012104918761A priority Critical patent/CN102984925A/en
Publication of CN102984925A publication Critical patent/CN102984925A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/14Arrangements for modifying heat-transfer, e.g. increasing, decreasing by endowing the walls of conduits with zones of different degrees of conduction of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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

Be interrupted the dislocation air-cooled radiator
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.
CN2012104918761A 2012-11-27 2012-11-27 Disconnected and staggered air-cooling radiator Pending CN102984925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012104918761A CN102984925A (en) 2012-11-27 2012-11-27 Disconnected and staggered air-cooling radiator

Applications Claiming Priority (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

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN102984925A (en) Disconnected and staggered air-cooling radiator
EP2768017A1 (en) Cooler for semiconductor module, and semiconductor module
WO2011018882A1 (en) Semiconductor module and cooling unit
CN102422413A (en) Heat exchanger, semiconductor device, method for manufacturing the heat exchanger, and method for manufacturing the semiconductor device
CN103717041B (en) A kind of heat abstractor, the manufacture method of heat abstractor and electronic equipment
CN103369932B (en) Layout method for radiating fins of power device radiator and radiator
CN105514064A (en) Heat sink
CN206075226U (en) A kind of bus type heat pipe type water-cooling heat radiating system
CN203722972U (en) Radiating fin with high thermal conductivity
JP6534873B2 (en) Liquid cooling system
CN209223357U (en) The source of welding current
CN203368294U (en) Power unit valve body structure based on heat pipe radiator
CN106034394B (en) Radiator and heat abstractor
CN206273029U (en) Power module pedestal
CN205232659U (en) IGBT heat dissipation module and have its IGBT module
CN102647891A (en) Air cooling radiator
CN201869493U (en) Aluminum section for radiator
CN206196244U (en) Heat radiation structure of reduced power device energy consumption
CN213426718U (en) Novel circuit board structure capable of radiating
CN107249251A (en) A kind of circuit board group of heat radiating type charging module
CN203734984U (en) Radiator for large-power electronic device
CN210769000U (en) Exhaust pipe heat shield
CN1945947B (en) Rectifier layout structure of locomotive large element heat tube radiation
CN211557805U (en) Assembled heat dissipation device with excellent heat dissipation effect
CN211352922U (en) Novel radiator structure for photovoltaic inverter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130320