CN211580494U

CN211580494U - Heat exchange radiator

Info

Publication number: CN211580494U
Application number: CN201922308392.9U
Authority: CN
Inventors: 汪林; 黄明彬; 唐川
Original assignee: Kunshan Ping Tai Electronic Co ltd
Current assignee: Kunshan Ping Tai Electronic Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-25
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a heat exchange radiator, wherein a plurality of mounting grooves are arranged on one side surface of a substrate, the U-shaped fin further comprises a left fin part and a right fin part which are arranged in parallel, a connecting part is arranged between the bottom ends of the left fin part and the right fin part respectively, the connecting part is vertically arranged with the left fin part and the right fin part, and the left fin part and the right fin part in the U-shaped fin both comprise a first aluminum plate and a second aluminum plate which are arranged face to face; the top ends of the left fin part and the right fin part are respectively provided with a bending part bent towards the same side, a gap is arranged between the left fin part and the right fin part, the connecting part of the fin is embedded into the mounting groove, and one bending part of the U-shaped fin is close to the adjacent U-shaped fin. The utility model discloses increased the area of contact of fin and heat source, improved heat conduction efficiency, reduced heat transfer distance to reduce heat transfer time, can reach radiating purpose fast, both formed the air current wind channel of not leaking out simultaneously, be favorable to the heat diffusion.

Description

Heat exchange radiator

Technical Field

The utility model relates to a radiator belongs to the electronic product field.

Background

With the rapid development of electronic technology, higher performance, higher density and higher intelligence are required for chips, the integration level, packaging density and operating frequency of the chips are continuously improved, the required power consumption of a single chip is increased, high heat flux density heat control or cooling processing mode of a large server is widely concerned, the design requirement of the compact structure of the device makes the heat dissipation more difficult, so in order to ensure that the chip can normally operate more efficiently and more stably, in order to maintain the efficient heat dissipation function of the heat sink, the size and weight of the heat sink are increased, and the heat sink is heavier, however, in the server system, various electronic components, structural members, chips and the like occupy a certain space, the space provided for the heat sink is very limited, how to design a radiator with higher efficiency in a limited space urgently needs to adopt a more efficient heat dissipation technology to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heat exchange radiator, this heat exchange radiator have increased the area of contact of fin with the heat source, improve heat conduction efficiency, reduce heat transfer distance to reduce heat transfer time, can reach radiating purpose fast, both formed the air current wind channel of not leaking out simultaneously, be favorable to the heat diffusion.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a heat exchange radiator comprises a base plate and a plurality of U-shaped fins arranged on the base plate, wherein a plurality of mounting grooves are formed in one side surface of the base plate, the U-shaped fins further comprise left fin parts and right fin parts which are arranged in parallel, a connecting part is arranged between the bottom ends of each of the left fin parts and the right fin parts, the connecting part is vertically arranged with the left fin parts and the right fin parts, the left fin parts and the right fin parts in the U-shaped fins respectively comprise first aluminum plates and second aluminum plates which are arranged face to face, the edges of each of the first aluminum plates and the second aluminum plates are connected together, the first aluminum plates and the second aluminum plates are connected through a plurality of connecting points distributed in compartments, the first aluminum plates and the second aluminum plates are outwards protruded relative to the connecting points so as to form a cavity, and the plurality of connecting points divide the cavity between the first aluminum plates and the second aluminum plates into a plurality of flow passages, a condensing agent is filled in the flow channel;

the top of each of the left fin part and the right fin part is provided with a bending part bent towards the same side, a gap is arranged between the left fin part and the right fin part, the connecting part of the U-shaped fin is embedded into the mounting groove, and one bending part of each U-shaped fin is close to the adjacent U-shaped fin.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the included angle between the bending portion and the left fin portion and the included angle between the bending portion and the right fin portion are 90 °.

2. In the above scheme, the edge of the substrate is provided with the through hole.

3. In the scheme, the U-shaped fins are connected with the mounting grooves through heat conducting glue or welding.

4. In the scheme, the filling amount of the condensing agent accounts for 20-30% of the volume of the flow channel.

Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:

the heat exchange radiator of the utility model has the advantages that the height of the inner cavity of the fin is increased, the resistance of the condensing agent to flow back is further reduced, and the uniformity of the surface temperature of the fin of the radiator and the radiating efficiency of the radiator are further improved; the U-shaped fin further comprises a left fin part and a right fin part which are arranged in parallel, a connecting part is arranged between the bottom ends of the left fin part and the right fin part, the connecting part is vertically arranged with the left fin part and the right fin part, and the connecting part of the fin is embedded into the mounting groove, so that the contact area between the fin and a heat source is increased, the heat conduction efficiency is improved, the heat conduction distance is reduced, the heat conduction time is shortened, and the purpose of heat dissipation can be quickly achieved; in addition, the top ends of the left fin part and the right fin part are respectively provided with a bending part which is bent towards the same side, a gap is arranged between the left fin part and the right fin part, and one bending part in the U-shaped fin is close to the adjacent U-shaped fin, so that an air flow air channel which does not leak air is formed, heat diffusion is facilitated, the integral deformation resistance of a plurality of fins is improved, and the stability of the integral design of the radiator is ensured.

Drawings

FIG. 1 is a schematic view of the heat exchanger heat sink of the present invention;

FIG. 2 is a schematic view of a U-shaped fin structure in the heat exchanger of the present invention;

FIG. 3 is a first schematic cross-sectional view of FIG. 2;

FIG. 4 is a second cross-sectional view of FIG. 2;

fig. 5 is a schematic view of the front view structure of the heat exchange radiator of the present invention.

In the above drawings: 1. a substrate; 2. a U-shaped fin; 21. a first aluminum plate; 22. a second aluminum plate; 3. mounting grooves; 4. a cavity; 5. a joining point; 6. a flow channel; 7. a gap; 8. a bending part; 9. a connecting portion; 10. a through hole; 11. a left fin portion; 12. a right fin portion.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a heat exchange radiator comprises a base plate 1 and a plurality of U-shaped fins 2 arranged on the base plate 1, wherein a plurality of mounting grooves 3 are arranged on one side surface of the base plate 1, each U-shaped fin 2 further comprises a left fin part 11 and a right fin part 12 which are arranged in parallel, a connecting part 9 is arranged between the bottom ends of each of the left fin part 11 and the right fin part 12, each connecting part 9 is vertically arranged with the left fin part 11 and the right fin part 12, each of the left fin part 11 and the right fin part 12 in the U-shaped fin 2 comprises a first aluminum plate 21 and a second aluminum plate 22 which are arranged face to face, the edges of each of the first aluminum plate 21 and the second aluminum plate 22 are connected together, the first aluminum plate 21 and the second aluminum plate 22 are connected through connecting points 5 distributed in a plurality of compartments, and each of the first aluminum plate 21 and the second aluminum plate 22 protrudes outwards from the connecting points 5, so as to form a cavity 4, the connecting points 5 divide the cavity between the first aluminum plate 21 and the second aluminum plate 22 into a plurality of flow channels 6, and the flow channels 6 are filled with condensing agents;

the top ends of the left fin part 11 and the right fin part 12 are respectively provided with a bending part 8 which is bent towards the same side, a gap 7 is arranged between the left fin part 11 and the right fin part 12, the connecting part 9 of the U-shaped fin 2 is embedded into the mounting groove 3, and one bending part 8 in the U-shaped fin 2 is close to the adjacent U-shaped fin 2.

The angle between the bending part 8 and the left and right

fin parts

11 and 12 is 90 °.

The U-shaped fins 2 are connected with the mounting grooves 3 through heat conducting glue, and the filling amount of the condensing agent accounts for 22% of the volume of the flow channel 6.

Example 2: a heat exchange radiator comprises a base plate 1 and a plurality of U-shaped fins 2 arranged on the base plate 1, wherein a plurality of mounting grooves 3 are arranged on one side surface of the base plate 1, each U-shaped fin 2 further comprises a left fin part 11 and a right fin part 12 which are arranged in parallel, a connecting part 9 is arranged between the bottom ends of each of the left fin part 11 and the right fin part 12, each connecting part 9 is vertically arranged with the left fin part 11 and the right fin part 12, each of the left fin part 11 and the right fin part 12 in the U-shaped fin 2 comprises a first aluminum plate 21 and a second aluminum plate 22 which are arranged face to face, the edges of each of the first aluminum plate 21 and the second aluminum plate 22 are connected together, the first aluminum plate 21 and the second aluminum plate 22 are connected through connecting points 5 distributed in a plurality of compartments, and each of the first aluminum plate 21 and the second aluminum plate 22 protrudes outwards from the connecting points 5, so as to form a cavity 4, the connecting points 5 divide the cavity between the first aluminum plate 21 and the second aluminum plate 22 into a plurality of flow channels 6, and the flow channels 6 are filled with condensing agents;

The angle between the bending part 8 and the left and right

fin parts

11 and 12 is 90 °.

The edge of the substrate 1 is provided with a through hole 10.

The U-shaped fins 2 are connected with the mounting grooves 3 through welding, and the filling amount of the condensing agent accounts for 26% of the volume of the flow channel 6.

When the heat exchange radiator is adopted, the height of the inner cavity of the fin is increased, the resistance of the condensing agent to backflow is further reduced, and the uniformity of the surface temperature of the fin of the radiator and the radiating efficiency of the radiator are further improved; in addition, the contact area between the fins and a heat source is increased, the heat conduction efficiency is improved, and the heat transfer distance is reduced, so that the heat transfer time is shortened, and the purpose of heat dissipation can be quickly achieved; in addition, the air duct which does not leak air is formed, heat diffusion is facilitated, the integral deformation resistance strength of the plurality of fins is improved, and the stability of the integral design of the radiator is guaranteed.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A heat exchange radiator, characterized by: the fin comprises a base plate (1) and a plurality of U-shaped fins (2) arranged on the base plate (1), wherein a plurality of mounting grooves (3) are formed in one side surface of the base plate (1), each U-shaped fin (2) further comprises a left fin part (11) and a right fin part (12) which are arranged in parallel, a connecting part (9) is arranged between the bottom ends of each of the left fin part (11) and the right fin part (12), each connecting part (9) is vertically arranged with the left fin part (11) and the right fin part (12), each of the left fin part (11) and the right fin part (12) in each U-shaped fin (2) comprises a first aluminum plate (21) and a second aluminum plate (22) which are arranged face to face, the edges of each of the first aluminum plate (21) and each of each second aluminum plate (22) are connected together, and the first aluminum plates (21) and the second aluminum plates (22) are connected through connecting points (5) distributed, the first aluminum plate (21) and the second aluminum plate (22) are outwards protruded relative to the connecting points (5) so as to form a cavity (4), the connecting points (5) divide the cavity between the first aluminum plate (21) and the second aluminum plate (22) into a plurality of flow channels (6), and the flow channels (6) are filled with condensing agents;

the fin structure is characterized in that the top ends of the left fin part (11) and the right fin part (12) are respectively provided with a bending part (8) which is bent towards the same side, a gap (7) is arranged between the left fin part (11) and the right fin part (12), the connecting part (9) of the U-shaped fin (2) is embedded into the mounting groove (3), and one bending part (8) in the U-shaped fin (2) is close to the adjacent U-shaped fin (2).

2. A heat exchange radiator according to claim 1, wherein: the included angle between the bending part (8) and the left fin part (11) and the included angle between the bending part (8) and the right fin part (12) are 90 degrees.

3. A heat exchange radiator according to claim 1, wherein: the edge of the base plate (1) is provided with a through hole (10).

4. A heat exchange radiator according to claim 1, wherein: the U-shaped fins (2) are connected with the mounting grooves (3) through heat conducting glue or welding.

5. A heat exchange radiator according to claim 1, wherein: the filling amount of the condensing agent accounts for 20-30% of the volume of the flow channel (6).