CN218821858U

CN218821858U - Fin combined air-cooled radiator

Info

Publication number: CN218821858U
Application number: CN202223062475.2U
Authority: CN
Inventors: 贺荣; 肖宁; 唐小堂
Original assignee: Zhuzhou CRRC AVC Thermal Technology Co Ltd
Current assignee: Zhuzhou CRRC AVC Thermal Technology Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-07
Anticipated expiration: 2032-11-18

Abstract

Fin combination forced air cooling radiator includes the fin combination that forms by the side by side arrangement of polylith fin and the base plate that welds with fin combination, its characterized in that: the fin by the heat dissipation portion with integrated into one piece at the connecting portion at heat dissipation portion both ends constitute, connecting portion thickness is greater than the thickness of heat dissipation portion, make the heat dissipation portion of adjacent fin separate contactless, the connecting portion unsmooth cooperation chucking of adjacent fin and terminal surface amalgamation plane, the connecting portion and the base plate welding of fin one end. The utility model discloses in single fin shaping simple, the connecting portion unsmooth cooperation chucking of adjacent fin and terminal surface amalgamation plane, easily combination, the connecting portion terminal surface amalgamation plane of side by side fin is easily welded, reduces the combination shaping degree of difficulty of radiator, improves radiator combination shaping efficiency; the structure reliability and the stability of the radiator are guaranteed, the separation of the fins and the base plate in the using process is avoided, the heat transfer reliability is improved, the service life of the radiator is prolonged, and the heat dissipation efficiency of the fins is guaranteed.

Description

Fin combined air-cooled radiator

Technical Field

The utility model relates to a fin combination forced air cooling radiator belongs to forced air cooling radiator technical field.

Background

The existing fin radiator is generally produced and manufactured by adopting the following three modes, wherein one mode is that a gear-shoveling machine is used for removing materials to obtain fins, so that the gear-shoveling type fin radiator is manufactured; secondly, opening the die by manufacturing a special die to obtain the open-mode fin radiator; and thirdly, processing the base plate and the fins of the radiator separately, forming fin grooves on the base plate, enabling the fin grooves to correspond to the fins one by one, inserting the fins into the corresponding fin grooves, and welding the fins and the base plate into a whole to obtain the pinion-type fin radiator. The fin radiator manufactured by the three methods has the following defects that the fin flatness of the relieved tooth type fin radiator is poor, the fin cannot be processed to be too thin, and otherwise the fin radiator is easy to deform to influence the radiating efficiency; the open-mode fin radiator needs to be manufactured with a die, is inconvenient to manufacture, has long period and low efficiency, and is easy to crack due to poor heat treatment; the pin-type fin radiator needs to machine and form a plurality of fin grooves on the surface of the substrate, so that the manufacturing is inconvenient and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fin combination forced air cooling radiator, single fin shaping is simple, and the connecting portion unsmooth cooperation chucking of adjacent fin and terminal surface amalgamation plane are easily made up, and the connecting portion terminal surface amalgamation plane of side by side fin is easily welded, reduces the combination shaping degree of difficulty of radiator, improves radiator combination shaping efficiency; the structure reliability and the stability of the radiator are guaranteed, the separation of the fins and the base plate in the using process is avoided, the heat transfer reliability is improved, the service life of the radiator is prolonged, and the heat dissipation efficiency of the fins is guaranteed.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

fin combination forced air cooling radiator includes the fin combination that forms by the side by side arrangement of polylith fin and the base plate that welds with fin combination, its characterized in that: the fin by the heat dissipation portion with integrated into one piece at the connecting portion at heat dissipation portion both ends constitute, connecting portion thickness is greater than the thickness of heat dissipation portion, make the heat dissipation portion of adjacent fin separate contactless, the connecting portion unsmooth cooperation chucking of adjacent fin and terminal surface amalgamation plane, the connecting portion and the base plate welding of fin one end.

Preferably, the connecting part is in a wedge shape with the thickness increasing towards one end away from the heat dissipation part, a groove is formed in the rear side face of the connecting part, a protruding shuttle matched with the groove is arranged on the front side face of the connecting part, and the protruding shuttle of the next fin in the adjacent fins is matched and clamped in the groove of the previous fin.

Preferably, the protruding shuttles are provided with a plurality of protruding salient points which are uniformly separated in the circumferential direction of the protruding shuttles, and the protruding points press the inner walls of the grooves along with the protruding shuttles extending into the grooves.

Preferably, a side plate is welded to the outer side of the outermost fin in the fin assembly, and the side plate has the same height as the fin, is welded to the connecting portion, and is spaced from and does not contact the heat dissipation portion.

Preferably, the base plate is provided with a welding sinking platform, and the end parts of the connecting part and the side plate extend into the welding sinking platform to be welded with the base plate through brazing filler metal.

Preferably, the fins are aluminum alloy extruded sections, the front side and the rear side of the heat dissipation part are extruded into sawtooth surfaces, and the heat dissipation part is coated with the graphene coating.

The utility model has the advantages that:

the utility model discloses a fin in fin combination air-cooled radiator comprises radiating part and connecting portion, makes a plurality of fins connect gradually side by side through connecting portion and connects into formation fin combination to with the base plate welding, the shaping of single fin is simple, the connecting portion unsmooth cooperation chucking of adjacent fin and terminal surface amalgamation plane, easily combination, the connecting portion terminal surface amalgamation plane of side by side fin is easily welded, reduces the combination shaping degree of difficulty of radiator, improves radiator combination shaping efficiency; the fin is sequentially clamped and matched to form the fin combination, the fin combination is welded with the base plate, the welding brazing filler metal can enter between connecting parts of adjacent fins after being melted, the adjacent fins and the fins are welded to be integrated with the base plate, the structural reliability and the stability of the radiator are guaranteed, the fins are prevented from being separated from the base plate in the using process, the heat transfer reliability is improved, the service life of the radiator is prolonged, the thickness of the connecting parts is larger than that of the radiating parts, the radiating parts of the adjacent fins are separated from contact with each other, and the radiating efficiency of the fins is guaranteed.

Drawings

Fig. 1 is a schematic view of a fin combination air-cooled heat sink in an embodiment.

FIG. 2 is a schematic view of a fin.

Fig. 3 is a partially enlarged schematic view of fig. 2.

Fig. 4 is a partially enlarged view of fig. 1.

Detailed Description

Embodiments of the present invention are described in detail below with reference to fig. 1~4.

Fin combination forced air cooling radiator includes 2 and the 2 welded base plates 3 of fin combination 2 that form by the side by side arrangement of polylith fin 1, its characterized in that: the fin 1 comprises a heat dissipation part 4 and connecting parts 5 integrally formed at two ends of the heat dissipation part 4, the thickness of each connecting part 5 is larger than that of the heat dissipation part 4, the heat dissipation parts 4 of the adjacent fins 1 are separated from each other and are not in contact with each other, the connecting parts 5 of the adjacent fins 1 are clamped in a concave-convex matching mode, end faces of the connecting parts are spliced to form a plane, and the connecting parts 4 at one ends of the fins 1 are welded with the base plate 3.

The fin 1 in the fin combination air-cooled radiator comprises the heat dissipation part 4 and the connecting part 5, a plurality of fins are sequentially connected side by side through the connecting part 5 to form the fin combination 2 and are welded with the base plate 1, the single fin 1 is simple to form, the connecting parts 5 of the adjacent fins 1 are clamped in a concave-convex matching mode, the end faces of the connecting parts 5 are spliced into a plane, the fin combination air-cooled radiator is easy to combine, the end faces of the connecting parts 5 of the fins 1 arranged side by side are spliced into the plane, the plane is easy to weld, the difficulty in combination forming of the radiator is reduced, and the combination forming efficiency of the radiator is improved; firstly, fin 1 is in proper order clamped fit to form fin combination 2, fin combination 2 is welded with a base plate, a welding brazing filler metal can enter between connecting parts 5 of adjacent fins 1 after being melted, adjacent fins 1 and fins 1 are welded with base plate 3 into a whole, the structural reliability and stability of the radiator are guaranteed, separation of fins 1 and base plate 3 in the using process is avoided, the heat transfer reliability is improved, the service life of the radiator is prolonged, the thickness of connecting parts 5 is larger than that of radiating parts 4, radiating parts 4 of adjacent fins 1 are separated from each other and are not in contact, and the radiating efficiency of the fins is guaranteed.

The connecting part 5 is in a wedge shape with the thickness increasing towards one end far away from the heat dissipation part 4, a groove 51 is formed in the rear side surface of the connecting part 5, a protruding shuttle 52 matched with the groove 51 is arranged on the front side surface, and the protruding shuttle 52 of the next fin 1 in the adjacent fins 1 is matched and clamped in the groove 51 of the previous fin 1. Front and back adjacent fin 1 is through the unsmooth cooperation chucking of protruding shuttle 52 and recess 51, make a plurality of fin 1 that connect gradually side by side form fin combination 2, adjacent fin 1 chucking cooperation, can effectively prevent breaking away from of single fin 1 and base plate 3, and adjacent fin 1's connecting portion terminal surface amalgamation becomes the plane, make fin combination 2 and the whole face laminating welding of base plate 1, easily weld and guarantee again that the effectual transmission of base plate 3 can be followed to every fin 1 to the heat dissipation in-process heat promptly, improve fin 1's structural stability and reliability, and guarantee the reliability of dispelling the heat.

The protruding shuttles 52 are provided with a plurality of protruding bumps 521, the bumps 521 are uniformly separated in the circumferential direction of the shuttles 52, and the bumps 521 press the inner wall of the groove 51 along with the extension of the shuttles 52 into the groove 51. The convex points 521 are used for improving the clamping force, the connection reliability of the clamping fit of the adjacent fins 1 is higher, the adjacent fins are not easy to loosen and separate, the fin combination 2 with certain connection strength can be formed, and the separation of the single fin 1 and the base 3 can be effectively prevented.

Wherein, the outside of outermost fin 1 in fin combination 2 welds curb plate 6, and curb plate 6 is the same with fin 1 height, and welds with connecting portion 5, and is separated with heat dissipation portion 1 and does not contact. The side plates 6 restrain the outermost fins 1 and prevent the outermost fins 1 from coming off the adjacent fins 1. The connection reliability of the fin combination 2 is improved.

The base plate 3 is provided with a welding sinking platform 31, and the end parts of the connecting part 5 and the side plate 6 extend into the welding sinking platform 31 to be welded with the base plate 3 through brazing filler metal. Firstly, a side plate 6 is welded on the front side of a fin 1, the other side plate 6 is welded on the rear side of the other fin 1, the two fins 1 are the fins 1 on the outermost side of the fin combination 2, then a plurality of fins 1 are sequentially arranged between the two fins through the convex ribs 52 and the concave-convex clamping fit of the grooves 51 to form an integral structure of the fin combination 2 and the side plate 6, then brazing filler metal is paved on the welding sinking platform 31, the integral structure of the fin combination 2 and the side plate 6 is placed on the welding sinking platform 31, and the temperature is raised until the brazing filler metal is melted to weld the fins 1, the side plate 6 and the base plate 3 into a whole.

The fin 1 is an aluminum alloy extruded section, the front side face and the rear side face of the heat dissipation part 4 are extruded into sawtooth surfaces, and the heat dissipation part 4 is coated with a graphene coating. The fin 1 is formed by the extrusion of aluminum alloy plate, and the quality is light, and the heat radiating area of sawtooth surface is big, and the radiating effect is good, and graphite alkene coating can improve the heat conductivility of fin 1 to improve the radiating efficiency.

The technical solutions of the embodiments of the present invention are completely described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Claims

1. Fin combination forced air cooling radiator includes the fin combination that forms by the side by side arrangement of polylith fin and the base plate that welds with fin combination, its characterized in that: the fins are composed of heat dissipation parts and connecting parts which are integrally formed at two ends of each heat dissipation part, the thickness of each connecting part is larger than that of each heat dissipation part, so that the heat dissipation parts of adjacent fins are separated and do not contact with each other, the connecting parts of the adjacent fins are clamped in a concave-convex matching mode, end faces of the connecting parts of the adjacent fins are spliced into a plane, and the connecting parts at one ends of the fins are welded with the base plate.

2. The fin combination air-cooled radiator of claim 1, wherein: the connecting part is in a wedge shape with the thickness increasing towards one end far away from the heat radiating part, the rear side surface of the connecting part is provided with a groove, the front side surface is provided with a convex shuttle matched with the groove, and the convex shuttle of the next fin in the adjacent fins is clamped in the groove of the previous fin in a matching manner.

3. The fin combination air-cooled heat sink of claim 2, wherein: the convex shuttle is provided with a plurality of convex points which are uniformly separated in the circumferential direction of the convex shuttle, and the convex points extend into the groove along with the convex shuttle to press the inner wall of the groove.

4. The fin combination air-cooled heat sink of claim 1, wherein: and the outer sides of the outermost fins in the fin combination are welded with side plates, and the side plates are equal to the fins in height, welded with the connecting parts and separated from the heat dissipation part without contact.

5. The fin combination air-cooled heat sink of claim 4, wherein: the base plate is provided with a welding sinking platform, and the end parts of the connecting part and the side plate extend into the welding sinking platform to be welded with the base plate through brazing filler metal.

6. The fin combination air-cooled heat sink of claim 1, wherein: the fin is an aluminum alloy extruded section, the front side face and the rear side face of the heat dissipation part are extruded into sawtooth surfaces, and the heat dissipation part is coated with a graphene coating.