CN104266527A - Radiating fin, radiating device and preparation method - Google Patents

Radiating fin, radiating device and preparation method Download PDF

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Publication number
CN104266527A
CN104266527A CN201410499638.4A CN201410499638A CN104266527A CN 104266527 A CN104266527 A CN 104266527A CN 201410499638 A CN201410499638 A CN 201410499638A CN 104266527 A CN104266527 A CN 104266527A
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CN
China
Prior art keywords
groove
fin
parallel
slots
concavo
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Pending
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CN201410499638.4A
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Chinese (zh)
Inventor
关政
孙家麟
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ZHENJIANG TIANTONG ALUMINUM Co Ltd
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ZHENJIANG TIANTONG ALUMINUM Co Ltd
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Priority to CN201410499638.4A priority Critical patent/CN104266527A/en
Publication of CN104266527A publication Critical patent/CN104266527A/en
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Abstract

The invention discloses a radiating fin. A metal foil is used as a substrate; parallel and uniform slots are graved in the substrate; the slots are real slots, broken penetration slots or full-penetration slots; the space between slots is over 0.5 mm. After the substrate is pressed through a concave convex roller, the parallel and uniform slots are graved in the substrate; the concave convex roller is a roller with uniform convex parallel lines; the space of the parallel lines of the roller is 1-10 mm; the parallel lines of the concave convex roller is parallel to or crossed with the broken penetration slots. Relatively, the material is thin, and the surface area of a unit material is 2-6 times that of a metal substrate in the prior art; thus, the heat dissipation efficiency can be greatly improved by the substrate; in addition, the slots of the substrate, including the broken penetration slots or the full-penetration slots, have a multi-dimensional ventilation and heat dissipation effect, so that the heat dissipation efficiency of a prepared device is greatly improved.

Description

A kind of fin and radiating element and preparation method
One, technical field
The present invention relates to radiating element (heat exchange device) prepared by a kind of fin and fin.
Two, background technology
Radiating element (heat exchange device) prepared by existing fin and fin and fin, the most conventional with what reprocess after aluminum or aluminum alloy sheet or integral cast, purposes is extremely extensive: as the heater in domestic circuit, (the typical radiator as PTC ceramic heat is the most conventional, heater comprises radiating element prepared by fin, PTC heating ceramic, radiating element and the large parts of fan three, existing radiating element is folded into continuous structure by aluminium flake exactly, its composition tip-angled shape just, again by with aluminium sheet soldering, continuous print tip-angled shape made with aluminum foil will be folded into standby into strips), the aluminum fin-stock of air-conditioner, oil spit of fland, air conditioning for automobiles, the various heat exchanger such as electronic-device radiator, but the improvement on heat radiation blade base is gone extremely rarely seen.
200310120921 provide the shape of parts and the restriction of configuration that are not subject to cool object and the fin easily manufactured.This fin has flexibility and is configured to: form the flexible thermal film with infra-red radiation effect on the flexible heat-sink shell surface with thermal conductivity, then form the adhesive layer be made up of heat conductive adhesive at the back side of this heat-sink shell.
The 200710107339 kind fin proposed, it comprises a heat conduction volume layer, and its material has carbon fiber.Heat conduction volume layer has a radial section, and the fiber extension direction of carbon fiber and radial section shape are at angle.
The 201110413744 Far infrared electric heating air conditioner fin proposed, include heat sink body (1), described heat sink body (1) is arranged to wavy or trapezoidal wavelike structure, described heat sink body (1) is provided with multiple connecting hole (2), this connecting hole (2) surrounding is provided with flange (3).In addition, CN2009100135440 proposes a kind of ALMGSI sheet alloy and preparation method thereof, and board composition is by mass percentage: MG 0.4 ~ 0.8%, SI 1 ~ 1.5%, CU 0.7 ~ 0.8%, MN 0.3 ~ 0.4%, FE 0.4 ~ 0.6%, ZR 0.1 ~ 0.2%, all the other are AL.Preparing sheet material processing step is: melting, makes blank, hot rolling, cold rolling, then carries out annealing, solid solution and aging strengthening model.
Three, summary of the invention
The present invention seeks to, propose a kind of modified node method of the blade base that dispels the heat, and radiating element is prepared and preparation method, there is the better structure of compact rigidity and save material.
Technical scheme of the present invention is: a kind of fin, is base material with metal forming, and base material is carved with parallel and equally distributed groove, and this groove is real groove, the saturating groove of dotted line or full impregnated groove, and the spacing between groove is more than 0.5mm.
Spacing between certain groove is generally also no more than 10mm; Full impregnated groove refers to and all cuts through, and is the form of seam.The saturating groove of dotted line is dotted line shape seam.
Base material is made after concavo-convex impression through concavo-convex roll-in and is carved with parallel and equally distributed groove again; Concavo-convex impression is spaced apart 1-10mm, and the parallel lines of concavo-convex impression are parallel with real groove, the saturating groove of dotted line or full impregnated groove or intersect.
The concavo-convex roll-in system of concavo-convex impression, described concavo-convex roller be uniform parallel convex distribution roller, parallel convex roller be spaced apart 1-10mm; The parallel lines of concavo-convex roller are parallel with the saturating groove of dotted line or intersect (in Fig. 1 for parallel structure).Metal forming is aluminium foil, Copper Foil or other alloy foil, can be also silver, goldleaf etc., especially adopt aluminium foil.
Further, metal forming is aluminium foil, and aluminum foil thickness is 0.05-0.1mm.
Further, aluminum foil thickness is 0.14-0.5mm.
Further, aluminum foil thickness is 0.2-0.35mm.
Radiating element prepared by described fin, to cut slivering with the thick fin of 0.14-0.3mm along the direction parallel with groove, it is wavy that this is folded into rectangle continuously, and upper and lower rectangle wave crest all welds flat aluminium sheet, is prepared into the radiating element of strip.With the mode such as vacuum brazing, salt bath furnace welding aluminum sheets.Described aluminium foil also comprises alloy foil, also comprises the alloy foil given by patent CN2009100135440.
Fin preparation method of the present invention is, the saturating groove of dotted line or full impregnated groove are by roll cutter (install at roller one and be uniformly distributed and the cutter parallel with rotating direction), especially first through concavo-convex roller roll-in, then to lancinate groove through roll, roll cutter is the knife-like distribution of the saturating groove of dotted line or full impregnated groove.
The invention has the beneficial effects as follows, the heat radiation blade base be processed into of the present invention makes surface area greatly increase, two to three times of former base can be increased to, the shape that parallel lines cut the concavo-convex roll-in of groove has the function of similar reinforcement, makes thinner aluminium foil have the sheet strength of increase, comparatively speaking, material of the present invention is thinner, unit materials has 2-6 times that surface area is the metal substrate of prior art, and therefore, base material of the present invention can improve the efficiency of heat radiation greatly; In addition, the groove of sheet base, comprise the effect that the saturating groove of dotted line or full impregnated groove all have multidimensional ventilation and heat, the radiating efficiency of the device prepared is improved greatly.
It is that rectangle is wavy that aluminium flake prepared by the present invention is folded into the cross section be folded into continuously as shown in Figure 2, again by with aluminium sheet soldering, for the cross-ventilation better effects if of the aluminum fin-stock of electric heater, air-conditioner, You Ting, air conditioning for automobiles, electronic-device radiator, the radiator being prepared into this structure is more easily processed, because sheet base is thin, and folding line can be suppressed when suppressing.Make collapsed shape more regular.
Method of the present invention is continuous print method of work, and efficiency is higher, and the cost of equipment and mold is controlled.
Four, accompanying drawing explanation
Fig. 1 is substrate structure schematic diagram of the present invention.
The schematic diagram that Fig. 2 substrate is folding.
Fig. 3 is the structure chart that the PTC of preparation is combined with radiating element.
Five, detailed description of the invention
As shown in the figure, substrate 1, groove 2, concavo-convex impression (comprising the region formed after cutting groove) 3, folding impression 4, cut breathing space 5, flat aluminium sheet 6, PTC electric heater 7 after groove.
Folding impression 4 has breathing space 5 after cutting groove; Groove 2 can be impermeable groove, also can be the penetrating groove of dotted line or the saturating groove of all-pass.
Substrate 1 (position of diagram 1 also can be the position of cutting apart with a knife or scissors) adopts aluminium foil, and the aluminium foil (or the thickness of other metal forming can be lower slightly) of more than 0.3mm thickness or the alloy foil of more than 0.25mm have suitable intensity, can the dull and stereotyped soldering of aluminium.Thick paper tinsel is through concavo-convex impression and still greatly can increase surface area after cutting groove.Folding impression 4 is that rectangle is wavy to aluminium flake is folded into the cross section be folded into continuously as shown in Figure 2.
Spacing between groove is more than 0.5mm, considers practicality, with 0.8-3mm as well.
The present invention can adopt aluminum alloy materials: as adopted following alloy material as base material, material have good can suppression performance: material is CN2009100135440ALMGSI sheet alloy, board composition is by mass percentage: MG 0.4 ~ 0.8%, SI1 ~ 1.5%, CU 0.7 ~ 0.8%, MN 0.3 ~ 0.4%, FE 0.4 ~ 0.6%, ZR 0.1 ~ 0.2%, all the other are AL.
Fig. 3 is the structure chart that the PTC of preparation is combined with radiating element.This is a kind of embodiment of the present invention, and can be collapsible (mode same as the prior art is applied) for the aluminum fin-stock of air-conditioning heat dissipation.Do not need to be welded with flat aluminium sheet.
Fin preparation of the present invention, the saturating groove of dotted line or full impregnated groove are by roll (installing dotted line or solid line shape on roller) cutter, are uniformly distributed and the cutter parallel with rotating direction during installation.Preferential technique is: first through concavo-convex roller roll-in, can increase the rigidity of material after roll-in, concavo-convex roller is the longitudinal section side of being wave structure in essence.Concavo-convex roller roll-in and roll (installing dotted line or solid line shape on roller) cutter are all parallel better, and it is better that cutter line and concavo-convex roller rolling-line are all parallel to roller.

Claims (9)

1. a fin, is characterized in that with metal forming being base material, and base material is carved with parallel and equally distributed groove, and this groove is real groove, the saturating groove of dotted line or full impregnated groove, and between groove, spacing is more than 0.5mm.
2. fin according to claim 1, is characterized in that making after concavo-convex impression through concavo-convex roll-in on base material being carved with parallel and equally distributed groove again; Concavo-convex impression is spaced apart 1-10mm, and the parallel lines of concavo-convex impression are parallel with real groove, the saturating groove of dotted line or full impregnated groove or intersect.
3. fin according to claim 1 and 2, it is characterized in that metal forming is aluminium foil, aluminum foil thickness is 0.1-1mm.
4. fin according to claim 1 and 2, is characterized in that aluminum foil thickness is 0.14-0.5mm.
5. fin according to claim 1 and 2, is characterized in that aluminum foil thickness is 0.2-0.35mm.
6. fin according to claim 1 and 2, is characterized in that the spacing between groove is 0.8-3mm.
7. according to radiating element prepared by the fin one of claim 1 to 5 Suo Shu, it is characterized in that with the thick fin of 0.14-0.3mm along the direction parallel with groove cutting slivering, it is wavy that this is folded into rectangle continuously, and upper and lower rectangle wave crest all welds flat aluminium sheet, is prepared into the radiating element of strip.
8. according to the preparation method of the fin one of claim 1 to 5 Suo Shu, it is characterized in that the saturating groove of dotted line or full impregnated groove are cut by roll cutter, roll cutter installs to be uniformly distributed and the cutter parallel with rotating direction on roller.
9. the preparation method of fin according to claim 8, is characterized in that first through concavo-convex roller roll-in, then to lancinate groove through roll, and roll cutter is the knife-like distribution of the saturating groove of dotted line or full impregnated groove.
CN201410499638.4A 2014-09-25 2014-09-25 Radiating fin, radiating device and preparation method Pending CN104266527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410499638.4A CN104266527A (en) 2014-09-25 2014-09-25 Radiating fin, radiating device and preparation method

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Application Number Priority Date Filing Date Title
CN201410499638.4A CN104266527A (en) 2014-09-25 2014-09-25 Radiating fin, radiating device and preparation method

Publications (1)

Publication Number Publication Date
CN104266527A true CN104266527A (en) 2015-01-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105737244A (en) * 2016-03-02 2016-07-06 宁波发时达电器科技有限公司 Heater with PCT heating device
CN106200835A (en) * 2016-06-27 2016-12-07 太仓博轩信息科技有限公司 The production method of radiator fin
CN106292947A (en) * 2016-07-21 2017-01-04 太仓博轩信息科技有限公司 Spiral step formula radiator
JP2021505788A (en) * 2017-12-06 2021-02-18 トゥウェンティ・スリーTwenty Three Modular support frames for LED panels and LED walls containing such support frames

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738596U (en) * 1980-08-14 1982-03-01
CN2096181U (en) * 1991-07-04 1992-02-12 华南理工大学 Multi-ripple large power heater
CN2552282Y (en) * 2002-04-30 2003-05-21 郜长福 Tubular PTC heat generator with non-electricity surface
CN103339455A (en) * 2010-10-28 2013-10-02 Spx冷却技术公司 Heat exchanger fin, roll forming die assembly for forming same, and method of forming
CN103743282A (en) * 2014-01-21 2014-04-23 珠海佳一电子技术有限公司 Corrugated radiator
CN204286192U (en) * 2014-09-25 2015-04-22 镇江市天通铝业有限公司 A kind of fin

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738596U (en) * 1980-08-14 1982-03-01
CN2096181U (en) * 1991-07-04 1992-02-12 华南理工大学 Multi-ripple large power heater
CN2552282Y (en) * 2002-04-30 2003-05-21 郜长福 Tubular PTC heat generator with non-electricity surface
CN103339455A (en) * 2010-10-28 2013-10-02 Spx冷却技术公司 Heat exchanger fin, roll forming die assembly for forming same, and method of forming
CN103743282A (en) * 2014-01-21 2014-04-23 珠海佳一电子技术有限公司 Corrugated radiator
CN204286192U (en) * 2014-09-25 2015-04-22 镇江市天通铝业有限公司 A kind of fin

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105737244A (en) * 2016-03-02 2016-07-06 宁波发时达电器科技有限公司 Heater with PCT heating device
CN105737244B (en) * 2016-03-02 2021-04-27 宁波发时达电器科技有限公司 Warmer with PTC heater
CN106200835A (en) * 2016-06-27 2016-12-07 太仓博轩信息科技有限公司 The production method of radiator fin
CN106292947A (en) * 2016-07-21 2017-01-04 太仓博轩信息科技有限公司 Spiral step formula radiator
JP2021505788A (en) * 2017-12-06 2021-02-18 トゥウェンティ・スリーTwenty Three Modular support frames for LED panels and LED walls containing such support frames

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Application publication date: 20150107