CN210805752U

CN210805752U - High-reliability radiator structure

Info

Publication number: CN210805752U
Application number: CN201922308407.1U
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: 2020-06-19
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a high-reliability radiator structure, which comprises a base plate and a plurality of fins arranged on the base plate, wherein a plurality of connecting points divide a cavity between a first aluminum plate and a second aluminum plate into a plurality of runners, and the runners are filled with condensing agents; the second bending part of the fin is embedded into the mounting groove, and the first bending part of the fin is close to the fin body of the adjacent fin; the bottom of a plastic nut seat with a hollow stud is provided with a screw hole and positioning columns positioned on two sides of the screw hole, an elastic pressing strip is arranged on the plastic nut seat, one end of the elastic pressing strip is a pressing part, the other end of the elastic pressing strip is a clamping part used for being clamped with a CPU, and the clamping part of the elastic pressing strip is embedded into a notch groove of a substrate. The utility model discloses the area of contact of increase and heat source improves heat transfer rate, reduces the radiating time, and improves the holistic anti deformation intensity of a plurality of fin, and positioning accuracy is high.

Description

High-reliability radiator structure

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 high reliability radiator structure, this high reliability radiator structure rise the area of contact of radiator increase and heat source, improve heat transfer rate, reduce the radiating time, and improve the holistic anti deformation intensity of a plurality of fin, guaranteed radiator global design's stability, and realized that positioning accuracy is high, also make things convenient for follow-up screw fixed baseplate and CPU and automated production.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-reliability radiator structure comprises a base plate and a plurality of fins arranged on the base plate, wherein a plurality of mounting grooves are formed in the surface of one side of the base plate, the fins comprise a first aluminum plate and a second aluminum plate which are arranged face to face, the edges of the first aluminum plate and the second aluminum plate are connected together, the first aluminum plate and the second aluminum plate are connected through a plurality of connecting points distributed in compartments, the first aluminum plate and the second aluminum plate are outwards protruded relative to the connecting points to form a cavity, the cavity between the first aluminum plate and the second aluminum plate is divided into a plurality of runners through the plurality of connecting points, and condensing agents are filled in the runners;

the fin further comprises a fin body, a first bending part and a second bending part, wherein the first bending part is positioned at the upper end of the fin body, the second bending part is positioned at the lower end of the fin body, a gap is formed between the adjacent fin bodies of the fin, the included angle between the second bending part of the fin and the fin body is 90 degrees, the second bending part of the fin is embedded into the mounting groove, and the first bending part of the fin is close to the fin body of the adjacent fin;

four marginal corners of base plate all are provided with mounting through-hole and breach recess, and it has positioning hole to lie in this mounting through-hole both sides respectively to open, and the bottom of a plastics nut seat that has the cavity double-screw bolt has the screw and lies in the reference column of screw both sides, and an elastic pressing strip is installed on plastics nut seat, in 2 reference columns of plastics nut seat imbed corresponding positioning hole respectively, elastic pressing strip one end is for pressing the splenium, and the other end is for being used for the buckle part with CPU joint, in the breach recess of this elastic pressing strip's buckle part embedding base plate.

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

1. in the above scheme, the first bending portion and the second bending portion are located on the same side of the fin body.

2. In the above scheme, the first bending portion and the second bending portion are located on two sides of the fin body respectively.

3. In the above scheme, the second bending part of the fin is connected with the mounting groove 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:

1. the utility model discloses high reliability radiator structure, the height of the inner chamber of its fin has increased, and the resistance of condensing agent backward flow further reduces, further promotes the homogeneity of radiator fin surface temperature and radiator radiating efficiency; in addition, the fin further comprises a fin body and a second bending part positioned at the lower end of the fin body, an included angle between the second bending part of the fin and the fin body is 90 degrees, the second bending part of the fin is embedded into the mounting groove, the contact area with a heat source is increased, the heat transfer rate is improved, and the heat dissipation time is shortened; in addition, the first bending parts at the upper ends of the fin bodies are adjacent to each other, gaps are formed between the fin bodies of the fins, the first bending parts of the fins are close to the fin bodies of the adjacent fins, an air flow duct which does not leak air is formed, heat diffusion is facilitated, the overall deformation resistance of the plurality of fins is improved, and the stability of the overall design of the radiator is guaranteed.

2. The utility model discloses high reliability radiator structure, four marginal corners of its base plate all are provided with mounting through hole and breach recess, it opens positioning hole respectively to be located this mounting through hole both sides, the bottom of a plastics nut seat that has the cavity double-screw bolt has the screw and is located the reference column of screw both sides, an elastic pressing strip is installed on plastics nut seat, 2 reference columns of plastics nut seat imbed respectively in the corresponding positioning through hole, elastic pressing strip one end is for pressing the splenium, the other end is for being used for the clamping part with the CPU joint, in the clamping part embedding base plate's of this elastic pressing strip breach recess, realized earlier with the preliminary fixation between plastics nut and base plate and the CPU, positioning accuracy is high, also make things convenient for follow-up screw fixing base plate and CPU and automated production.

Drawings

FIG. 1 is a structural diagram of the high-reliability heat sink of the present invention;

FIG. 2 is a schematic structural diagram of a first fin type of the heat sink of the present invention;

FIG. 3 is a schematic cross-sectional view of a second fin type of the heat sink of the present invention;

FIG. 4 is a schematic cross-sectional view of a fin body of a fin of the heat sink of the present invention;

FIG. 5 is a schematic structural view of the high reliability heat sink structure of the present invention;

fig. 6 is a schematic view of the heat dissipation device for heating electronic components of the present invention;

fig. 7 is a schematic view of a partial structure of the heat dissipation device for heat generation electronic components of the present invention.

In the above drawings: 1. a substrate; 2. a fin; 21. a first aluminum plate; 22. a second aluminum plate; 23. a fin body; 3. mounting grooves; 4. a cavity; 5. a joining point; 6. a flow channel; 7. a gap; 8. a first bending portion; 9. a second bending portion; 10. mounting a through hole; 11. a notch groove; 12. positioning the through hole; 13. a plastic nut seat; 131. a hollow stud; 1311. a screw hole; 132. a positioning column; 14. elastic battens; 141. a pressing part; 142. a buckling part.

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 high-reliability radiator structure comprises a base plate 1 and a plurality of 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 fin 2 comprises a first aluminum plate 21 and a second aluminum plate 22 which are arranged face to face, the respective edges 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 a plurality of connecting points 5 distributed in compartments, the first aluminum plate 21 and the second aluminum plate 22 are outwards protruded relative to the connecting points 5 to form a cavity 4, the cavities between the first aluminum plate 21 and the second aluminum plate 22 are divided into a plurality of flow channels 6 through the plurality of connecting points 5, and condensing agents are filled in the flow channels 6;

the fin 2 further comprises a fin body 23, a first bending part 8 positioned at the upper end of the fin body 23 and a second bending part 9 positioned at the lower end of the fin body 23, a gap 7 is formed between the adjacent fin bodies 23 of the fin 2, an included angle between the second bending part 9 of the fin 2 and the fin body 23 is 90 degrees, the second bending part 9 of the fin 2 is embedded into the mounting groove 3, and the first bending part 8 of the fin 2 is close to the fin body 23 of the adjacent fin 2;

four edge corners of the substrate 1 are provided with mounting through holes 10 and notch grooves 11, two sides of the mounting through holes 10 are respectively provided with positioning through holes 12, the bottom of a plastic nut seat 13 with a hollow stud 131 is provided with a screw hole 1311 and positioning columns 132 positioned at two sides of the screw hole 1311, an elastic pressing strip 14 is mounted on the

plastic nut seat

13, 2 positioning columns 132 of the plastic nut seat 13 are respectively embedded into the corresponding positioning through holes 12, one end of the elastic pressing strip 14 is a pressing part 141, the other end of the elastic pressing strip is a buckling part 142 used for being clamped with a CPU, and the buckling part 142 of the elastic pressing strip 14 is embedded into the notch grooves 11 of the substrate 1.

The hollow stud 131 of the plastic nut holder 13 has an internal thread therein.

The first bent portion 8 and the second bent portion 9 are respectively located on both sides of the fin body 23.

The filling amount of the condensing agent accounts for 26% of the volume of the flow channel 6, and the second bending part 9 of the fin 2 is connected with the mounting groove 3 through heat-conducting glue.

Example 2: a high-reliability radiator structure comprises a base plate 1 and a plurality of 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 fin 2 comprises a first aluminum plate 21 and a second aluminum plate 22 which are arranged face to face, the respective edges 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 a plurality of connecting points 5 distributed in compartments, the first aluminum plate 21 and the second aluminum plate 22 are outwards protruded relative to the connecting points 5 to form a cavity 4, the cavities between the first aluminum plate 21 and the second aluminum plate 22 are divided into a plurality of flow channels 6 through the plurality of connecting points 5, and condensing agents are filled in the flow channels 6;

plastic nut seat

The first bent portion 8 and the second bent portion 9 are located on the same side of the fin body 23.

The filling amount of the condensing agent accounts for 22% of the volume of the flow channel 6, and the second bending part 9 of the fin 2 is connected with the mounting groove 3 through welding.

When the high-reliability radiator structure is adopted, the height of the inner cavity of the fin is increased, the resistance of the reflux of the condensing agent 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 heat source and the heat source is increased, the heat transfer rate is improved, and the heat dissipation time is shortened; in addition, an air flow 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 ensured; in addition, the plastic nut is pre-fixed with the substrate and the CPU, the positioning precision is high, and the substrate and the CPU can be conveniently fixed by the subsequent screw and the automatic production can be realized.

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 high reliability radiator structure which characterized in that: the solar heat collector comprises a base plate (1) and a plurality of 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 fin (2) comprises a first aluminum plate (21) and a second aluminum plate (22) which are arranged face to face, the edges 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 a plurality of connecting points (5) distributed in compartments, the first aluminum plate (21) and the second aluminum plate (22) are outwards protruded relative to the connecting points (5), so that a cavity (4) is formed, the cavity between the first aluminum plate (21) and the second aluminum plate (22) is divided into a plurality of flow channels (6), and a condensing agent is filled in the flow channels (6);

the fin (2) further comprises a fin body (23), a first bending part (8) positioned at the upper end of the fin body (23) and a second bending part (9) positioned at the lower end of the fin body (23), a gap (7) is formed between the adjacent fin bodies (23) of the fin (2), an included angle between the second bending part (9) of the fin (2) and the fin body (23) is 90 degrees, the second bending part (9) of the fin (2) is embedded into the mounting groove (3), and the first bending part (8) of the fin (2) is close to the fin body (23) of the adjacent fin (2);

four edge corners of base plate (1) all are provided with mounting through hole (10) and breach recess (11), and it has positioning hole (12) to be located this mounting through hole (10) both sides respectively to open, and the bottom of a plastics nut seat (13) that has cavity double-screw bolt (131) has screw (1311) and is located reference column (132) of screw (1311) both sides, and an elastic pressing strip (14) is installed on plastics nut seat (13), 2 reference columns (132) of plastics nut seat (13) imbed respectively in corresponding positioning hole (12), elastic pressing strip (14) one end is for pressing splenium (141), and the other end is buckle portion (142) for with the CPU joint, and buckle portion (142) embedding of this elastic pressing strip (14) is in breach recess (11) of base plate (1).

2. The high reliability heat sink structure according to claim 1, wherein: the first bending part (8) and the second bending part (9) are located on the same side of the fin body (23).

3. The high reliability heat sink structure according to claim 1, wherein: the first bending part (8) and the second bending part (9) are respectively located on two sides of the fin body (23).

4. The high reliability heat sink structure according to claim 1, wherein: the filling amount of the condensing agent accounts for 20-30% of the volume of the flow channel (6).

5. The high reliability heat sink structure according to claim 1, wherein: and the second bending part (9) of the fin (2) is connected with the mounting groove (3) through heat conducting glue or welding.