CN218601769U

CN218601769U - Liquid cooling radiator and metal brazing structure thereof

Info

Publication number: CN218601769U
Application number: CN202222680812.8U
Authority: CN
Inventors: 金子洋; 郭建涛; 马利翔; 陈龙
Original assignee: Zhejiang Intech Technology Co ltd
Current assignee: Zhejiang Intech Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-10
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to a radiator processing field especially relates to a liquid cooling radiator and metal structure of brazing thereof. A metal brazing structure comprises a metal core plate and metal connecting pieces; the metal core plate is internally provided with a bearing hole extending to one side end face of the metal core plate; the method is characterized in that: an annular boss protrudes outwards along the edge of the socket hole on the end face of the metal core plate, at least one part of the metal connecting piece extends into the annular boss, and the outer wall of the extending part of the metal connecting piece and the inner wall of the annular boss are fixedly connected by a brazing method. Compared with the prior art, the scheme has the advantages of easy heating, uniform heating during heating, uniform filling of the solder, greatly reduced heating time and improved welding quality.

Description

Liquid cooling radiator and metal brazing structure thereof

Technical Field

The utility model relates to a radiator processing field especially relates to a liquid cooling radiator and metal structure of brazing thereof.

Background

There are many parts that generate heat in the electrical apparatus, and the heat of these parts that generate heat needs to obtain timely effectual giving off, if can not obtain timely effectual giving off can influence the result of use and the life of electrical apparatus. In the field of electronic devices, in order to control the temperature of an electronic component within a proper temperature range, a heat sink is usually fixed on the surface of the electronic component, and fins on the heat sink diffuse heat outwards, thereby reducing the temperature of the electronic component. On the basis, the prior Chinese utility model with the publication number of CN215337915U describes a radiator with a spiral groove, which comprises a radiator core body used for contacting with a heat source to perform heat exchange; a cold medium inlet and a cold medium outlet are formed in the side wall of the radiator core body; and a heat exchange pipeline communicated with the cold medium inlet and the cold medium outlet is constructed in the radiator core body. Referring to the drawings, when a heat exchange pipeline is constructed on a radiator core, channels communicated with two opposite side walls of the radiator core are generally cut on the radiator core, after the channels inside the radiator core are communicated with the circuitous heat exchange pipeline, holes in the side walls of the radiator core need to be sealed by sealing plates, and a liquid inlet pipe and a liquid outlet pipe are connected to a refrigerant medium inlet and a refrigerant medium outlet.

When the liquid cooling radiator is manufactured, the socket 11 is processed on the large-area metal core plate 1 (namely, the radiating core body), and the parts such as the connecting pipe 3, the sealing plate 2 and the like are welded by brazing. Referring to fig. 1 and 2, the nozzle portion of the tube 3 and the closing plate 2 are directly inserted into the socket hole of the core metal plate and are joined by brazing. However, because the distance between each area of the socket hole and the side wall of the nearest metal core plate is different, the structure has the problems of long welding and heating time and uneven heating. The welding difficulty is high, uneven filling of welding flux is easy to generate, welding leakage, overburning of welding flame to a metal plate and a connecting pipe and the like are easy to generate, and the welding quality is poor.

The brazing is a mature process, and particularly relates to a brazing method for connecting metals by filling gaps of solid workpieces with liquid brazing filler metal after the brazing filler metal and the weldment which are lower than the melting point of the weldment are heated to the melting temperature of the brazing filler metal at the same time.

Disclosure of Invention

In order to solve the problem, the utility model discloses a first aim at provides a metal structure of brazing, this scheme is compared and has the easy heating in prior art, is heated evenly during the heating for the solder is filled evenly, and the heat time that has significantly reduced has improved welding quality's advantage.

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

a metal brazing structure includes a metal core plate and a metal connecting member; the metal core plate is internally provided with a bearing hole extending to one side end face of the metal core plate; the method is characterized in that: an annular boss protrudes outwards along the edge of the socket hole on the end face of the metal core plate, at least one part of the metal connecting piece extends into the annular boss, and the outer wall of the extending part of the metal connecting piece and the inner wall of the annular boss are fixedly connected by a brazing method.

The above technical scheme is adopted in the utility model, this technical scheme relates to a metal structure of brazing, and this metal structure of brazing needs to adopt the mode of brazing to connect the metal connecting piece and fix on metal core board. The scheme is different from the prior art in that an annular boss protrudes outwards along the edge of a socket hole on the end surface of the metal core plate, and at least one part of the metal connecting piece is connected to the inside of the annular boss in an inserting mode.

When the welding rod is processed, the welding rod can be arranged inside the annular boss, then the extending part of the metal connecting piece is inserted into the annular boss, and finally the outer wall of the annular boss is uniformly heated. This scheme is used for connecting the metal connecting piece because of setting up annular boss, and the wall thickness that annular boss formed is more even, and also compares in the whole wall thickness of metal core less. Therefore, compared with the prior art, the scheme has the advantages of easy heating, uniform heating during heating, uniform filling of the solder, greatly reduced heating time and improved welding quality.

In a further preferred scheme, the annular boss is a boss with the same circumferential wall thickness, so that heating of all the areas can be ensured to be more uniform.

Preferably, a plurality of annular bosses are constructed on the same end face of the metal core plate, a metal connecting piece is connected in each annular boss, and a gap is reserved between every two adjacent annular bosses. The scheme requires that the annular bosses are not connected, and gaps exist between the annular bosses, so that uneven heating caused by large wall thickness of the joint of two adjacent annular bosses can be avoided.

In one embodiment, the metal connector is configured as a sealing plate, which is inserted into the annular boss and seals the receptacle hole by brazing. The shrouding among this technical scheme is whole to be embedded into inside being used for hidden closed socket hole of annular boss.

In another alternative, the metal connecting piece is constructed as a pipe fitting, the pipe joint at the end of the pipe fitting is embedded in the annular boss and connected by brazing, and the internal passage of the pipe fitting is communicated with the socket hole in the metal core plate.

A second object of the present invention is to provide a liquid-cooled heat sink, which comprises a heat dissipating core, and a sealing plate and a pipe connected to the heat dissipating core; a heat dissipation flow channel is constructed in the heat dissipation core, and a socket hole communicated with the heat dissipation flow channel is formed in the side wall of the heat dissipation core; the method is characterized in that: the closing plate and the pipe fitting are connected to the heat dissipation core body by adopting the metal brazing structure.

The liquid cooling radiator in the scheme adopts the metal brazing structure in the scheme, the radiating core is equivalent to a metal core plate in the metal brazing structure, and the closing plate and the pipe fitting are equivalent to metal connecting pieces in the metal brazing structure. Based on above-mentioned metal structure of brazing, when shrouding and the pipe fitting welding in this liquid cooling radiator were on the radiating core, required less welding promotion to welding quality has been promoted.

Drawings

Fig. 1 is a perspective view of a conventional metal brazing structure.

Fig. 2 is a schematic cross-sectional view of a conventional metal brazing structure.

Fig. 3 is a perspective view of the metal brazing structure of the present invention.

Fig. 4 is a schematic cross-sectional view of the inventive metal brazing structure.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1:

as shown in fig. 3 to 4, the present embodiment relates to a metal brazing structure including a metal core plate 1 and metal connecting members; the metal core plate 1 is internally constructed with a receiving hole 11 extending to one side end face thereof. An annular boss 12 protrudes outwards along the edge of the bearing hole 11 on the end face of the metal core plate 1, at least one part of the metal connecting piece extends into the annular boss 12, and the outer wall of the extending part of the metal connecting piece is fixedly connected with the inner wall of the annular boss 12 by a brazing method. The metal brazing structure needs to connect and fix the metal connecting piece on the metal core plate 1 in a brazing mode. The scheme is different from the prior art in that an annular boss 12 protrudes outwards along the edge of a socket hole 11 on the end surface of the metal core plate 1, and at least one part of the metal connecting piece is connected to the inside of the annular boss 12 in an inserting mode.

During processing, welding rods can be arranged inside the annular boss 12, then the extending part of the metal connecting piece is inserted into the annular boss 12, and finally the outer wall of the annular boss 12 is uniformly heated. This scheme is used for connecting the metal connecting piece because of setting up annular boss 12, and the wall thickness that annular boss 12 formed is more even, and also compares in metal core 1's whole wall thickness less. Therefore, compared with the prior art, the scheme has the advantages of easy heating, uniform heating during heating, uniform filling of the solder, greatly reduced heating time and improved welding quality. In a further preferred embodiment, the annular boss 12 is a boss with a uniform circumferential wall thickness, so that heating of each region can be more uniform.

As shown in fig. 3, a plurality of annular bosses 12 are constructed on the same end surface of the metal core plate 1, a metal connecting piece is connected in each annular boss 12, and a gap is left between two adjacent annular bosses 12. This solution requires that the annular bosses 12 are not connected to each other, and there is a gap between them, so as to avoid uneven heating caused by the large wall thickness at the joint of two adjacent annular bosses 12.

On the left-hand side in the figure, the metal connection piece is designed as a closing plate 2, which closing plate 2 engages in the annular projection 12 and closes the receptacle opening 11 by means of brazing. The shrouding 2 among this technical scheme is whole to be embedded inside annular boss 12 and is used for hidden closed socket hole 11.

On the right side in the figure, the metal connecting piece is constructed as a pipe 3, the pipe joint at the end of the pipe 3 is embedded in the annular boss 12 and connected by brazing, and the inner passage of the pipe 3 is communicated with the socket hole 11 in the metal core plate 1.

Example 2:

the embodiment provides a liquid cooling radiator, which comprises a radiating core, and a sealing plate 2 and a pipe fitting 3 which are connected to the radiating core. A heat dissipation flow channel is constructed in the heat dissipation core, and a socket hole 11 communicated with the heat dissipation flow channel is formed on the side wall of the heat dissipation core. The closing plate 2 and the pipe member 3 are connected to the heat dissipating core by the metal brazing structure described in embodiment 1.

The liquid cooling radiator in the scheme adopts the metal brazing structure in the scheme, wherein the radiating core body is equivalent to the metal core plate 1 in the metal brazing structure, and the closing plate 2 and the pipe fitting 3 are equivalent to the metal connecting piece in the metal brazing structure. Based on above-mentioned metal brazing structure, when shrouding 2 and the welding of pipe fitting 3 in this liquid cooling radiator were on the radiating core, required less welding promotion to welding quality has been promoted.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. A metal brazing structure comprises a metal core plate (1) and metal connecting pieces; the metal core plate (1) is internally provided with a bearing hole (11) extending to one side end face of the metal core plate; the method is characterized in that: an annular boss (12) protrudes outwards along the edge of the socket hole (11) on the end face of the metal core plate (1), at least one part of the metal connecting piece extends into the annular boss (12), and the outer wall of the extending part of the metal connecting piece is fixedly connected with the inner wall of the annular boss (12) by a brazing method.

2. A metal brazing structure according to claim 1, wherein: the annular boss (12) is a boss with the same circumferential wall thickness.

3. A metal brazing structure according to claim 1, wherein: a plurality of annular bosses (12) are constructed on the same end face of the metal core plate (1), a metal connecting piece is connected in each annular boss (12), and a gap is reserved between every two adjacent annular bosses (12).

4. A metal brazing structure according to any one of claims 1 to 3, wherein: the metal connecting piece is constructed as a sealing plate (2), the sealing plate (2) is embedded in the annular boss (12) and the bearing hole (11) is sealed by adopting a brazing method.

5. A metal brazing structure according to any one of claims 1 to 3, wherein: the metal connecting piece is constructed into a pipe fitting (3), a pipe joint at the end part of the pipe fitting (3) is embedded into the annular boss (12) and is connected by adopting a brazing method, and an internal channel of the pipe fitting (3) is communicated with a socket hole (11) in the metal core plate (1).

6. A liquid cooling radiator comprises a radiating core body and a sealing plate (2) connected to the radiating core body; a heat dissipation flow channel is constructed in the heat dissipation core, and a socket hole (11) communicated with the heat dissipation flow channel is formed in the side wall of the heat dissipation core; the method is characterized in that: the cover plate (2) and the heat dissipating core are joined by a metal brazing structure according to any one of claims 1 to 4.

7. A liquid cooling radiator comprises a radiating core body and a pipe fitting (3) connected to the radiating core body; a heat dissipation flow channel is constructed in the heat dissipation core body, and a socket hole (11) communicated with the heat dissipation flow channel is formed in the side wall of the heat dissipation core body; the method is characterized in that: the pipe (3) and the heat dissipation core are connected by a metal brazing structure according to any one of claims 1 to 3,5.