CN214155173U - Efficient die-casting or casting type radiator, air conditioner frequency converter and electronic equipment - Google Patents

Abstract

The utility model discloses an efficient die-casting or casting type radiator, an air conditioner frequency converter and electronic equipment, which comprises a heat exchange pipeline for conveying cooling medium and a heat dissipation core body for heat exchange; one part of the side wall of the heat dissipation core forms a heat exchange surface for connecting a heating source, the heat exchange surface is a plane for being in close contact with the heating source directly or through a heat exchange medium, the heat dissipation core is coated on the outer side of part of the pipe body of the heat exchange pipeline in a die casting or casting mode, and the cross section of at least part of the pipe body coated in the heat dissipation core is flat; so that the heat exchange pipeline is not easy to be separated from the heat dissipation core body.

Description

Efficient die-casting or casting type radiator, air conditioner frequency converter and electronic equipment

Technical Field

The utility model belongs to the radiator field, concretely relates to efficient die-casting or casting formula radiator and air conditioner converter, electronic equipment.

Background

At present, a plurality of heating components are arranged in the electric appliance, the heat of the heating components needs to be timely and effectively dissipated, and the use effect and the service life of the electric appliance can be influenced if the heat cannot be timely and effectively dissipated. 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. Or in the air conditioning field, the converter module plays a power conversion and enlargies effect in whole converter, wherein because switching loss and the resistance of module itself, can produce the heat in its working process, the unit power that the converter corresponds is big more moreover, calorific capacity is big more, if these heats are not in time dispelled, can influence module performance or even burn out the module.

The existing heat radiator generally comprises a heat exchange pipeline and a heat dissipation core body, wherein most of the heat exchange pipeline is bonded in the heat dissipation core body through hot melt adhesive or thermal conductive silica gel, or the heat exchange pipeline is thermally expanded so that the pipe wall of the heat exchange pipeline is attached in an inner cavity of the heat dissipation core body; or the heat exchange pipe and the heat dissipation core body are fixedly connected in a welding mode. In the three connection schemes, the bonding and welding fixing modes cannot ensure that the heat exchange pipeline and the internal channel of the heat dissipation core body are completely attached in all directions; although the pipe wall is attached to the inner channel of the heat dissipation core body through the expandable pipe due to thermal expansion, the heat exchange pipe is deformed and becomes thin due to the scheme, and the heat exchange pipe and the heat dissipation core body are easy to separate after long-time use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient die-casting or casting formula radiator and air conditioner converter, electronic equipment, this liquid cooling radiator has the heat exchange efficiency height, and inside heat transfer pipeline compressive capacity is strong, and heat transfer pipeline is difficult for breaking away from with the heat dissipation core.

In order to achieve the above object, the main technical solution of the present invention is to provide an efficient die-casting or casting type heat sink, which comprises a heat exchange pipe for conveying a cooling medium, and a heat dissipation core for heat exchange; the heat dissipation core is characterized in that one part of the side wall of the heat dissipation core forms a heat exchange surface used for being connected with a heating source, the heat exchange surface is a plane used for being in close contact with the heating source directly or through a heat exchange medium, the heat dissipation core is wrapped on the outer side of part of the pipe body of the heat exchange pipeline in a die casting or casting mode, and the cross section of at least part of the pipe body wrapped in the heat dissipation core is flat.

The above technical scheme is adopted in the utility model, this technical scheme relates to a die-casting or casting formula liquid cooling radiator, and the heat transfer pipeline in this liquid cooling radiator adopts die-casting or the mode of casting to be connected fixedly with the heat dissipation core, and the technology of here die-casting or casting is prior art, and adopts die-casting or the mode of casting to connect, can make the outer wall of the heat transfer pipeline of laminating all the time of heat dissipation core. When the heat exchanger is die-cast or cast, the heat exchange pipeline needs to be wrapped in the heat dissipation core body. Thus, this scheme has the following three advantages:

1. the heat exchange pipeline and the heat dissipation core body are tightly attached to each other and cannot be loosened through the die-cast or cast radiator.

2. The heat dissipation core body is made into a flat structure by wrapping part of the tube body in the heat dissipation core body, so that the heat dissipation core body formed by die casting or casting is of a protruding structure, the protruding structure is tightly attached to the surface of the tube wall of the flat structure, a channel formed by the heat dissipation core body and the binding surface of the heat exchange pipeline is variable-diameter, and the heat dissipation core body and the heat exchange pipeline are further prevented from loosening.

3. The axis of the heat exchange pipeline is approximately parallel to the heat exchange surface of the heat dissipation core body, and the heat exchange distance between the cooling medium embedded into the flat pipe section in the heat dissipation core body and the heating source is shortened, so that the heat exchange efficiency is improved.

In some examples, the heat exchange tube further comprises a transition section for connecting the flat tube section and the circular tube body, wherein the transition section is exposed outside the heat dissipation core or at least partially positioned in the heat dissipation core.

In some examples, the transition section has a tube sidewall cross-section at an oblique angle.

In some examples, the plane of the axis of the heat exchange tube encased in the heat dissipating core is parallel to the heat exchange surface.

In some examples, the heat exchange pipeline is a bent pipeline, and the bent pipeline comprises a liquid inlet section, a liquid outlet section, a plurality of flat pipe sections, and a bent section and a transition section which are used for communicating the flat pipe sections; the flat pipe section is at least partially wrapped in the radiating core body, and the bending section is exposed out of the end part of the radiating core body or embedded in the radiating core body.

In some examples, the heat dissipating core is formed with arcuate walls on opposite sides of a heat exchanging surface, the heat exchanging tubes are encased in the heat dissipating core between the arcuate walls and the heat exchanging surface, and at least some of the side walls of the heat exchanging tubes are in the arcuate walls.

In some examples, the opposite surface of the heat exchange surface is a flat surface, and the thickness of the heat dissipation core body formed by the opposite surface and the heat exchange surface is larger than the outer diameter of the heat exchange pipeline in the corresponding direction; the heat exchange pipe is wrapped in the heat dissipation core between the opposite surface and the heat exchange surface.

An air conditioner frequency converter comprises the die-casting or casting type liquid cooling radiator.

An electronic device comprising a die cast or cast liquid cooled heat sink as described above.

Drawings

Figure 1 is a schematic structural view of an embodiment of the present invention,

figure 2 is a schematic diagram of the structure from another perspective of the embodiment of figure 1,

figure 3 is a schematic cross-sectional view a-a of the embodiment of figure 2,

figure 4 is a schematic cross-sectional view B-B of the embodiment of figure 2,

in the figure: the heat exchange pipeline comprises a heat exchange pipeline 1, a flat pipe section 11, a bent section 12, a transition section 13, a heat dissipation core body 2, an arched wall 21, a convex structure 22, a liquid inlet section 31 and a liquid outlet section 32.

Detailed Description

Reference will now be made in detail to 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 function 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. 1 to 4, the present embodiment relates to a high-efficiency die-casting or casting type radiator, which includes a heat exchange pipe 1 for conveying a cooling medium, and a heat dissipation core 2 for heat exchange; one part of the side wall of the heat dissipation core body 2 forms a heat exchange surface for connecting a heating source, the heat exchange surface is a plane for being in close contact with the heating source directly or through a heat exchange medium, and the heat dissipation core body 2 is combined with the heat exchange pipeline 1 in a casting or die-casting mode.

The heat exchange pipe 1 and the heat dissipation core 2 in the radiator are fixedly connected in a die-casting or casting mode, the die-casting or casting process is the prior art, the heat dissipation core 2 can be always attached to the outer wall of the heat exchange pipe 1 by the die-casting or casting mode, and the pipe body needs to be wrapped in the heat dissipation core 2 during die-casting or casting. Thus, the scheme has the following two advantages: on the one hand, the pipe body is wrapped inside the heat dissipation core body 2 in a die-casting/casting mode, so that the heat dissipation core body 2 is always attached to the outer wall of the heat exchange pipeline 1, the pressure resistance of the heat dissipation core body is enhanced, and the heat dissipation core body and the heat exchange pipeline are tightly not easy to fall off. On the other hand, the heat exchange pipeline 1 is wrapped in the heat dissipation core body 2, and the heat exchange distance between the cooling medium embedded into the flat pipe section in the heat dissipation core body and the heating source is shortened, so that the heat exchange efficiency is improved.

In addition, in order to further prevent the heat dissipation core 2 from separating from the heat exchange pipeline 1, as shown in fig. 4, in this embodiment, the cross-sectional caliber of the tube body wrapped in the heat dissipation core 2 is smaller than the cross-sectional caliber of the tube body exposed outside the heat dissipation core 2, and the heat exchange pipeline 1 includes at least one section of tube body wrapped in the heat dissipation core 2 in an oblique manner and a transition section 13 of the tube body exposed outside the heat dissipation core 2; the tube body wrapped in the heat dissipation core body 2 is flat, the flat shape can be formed by pressing through a pressing mechanism, and the tube body exposed outside the heat dissipation core body 2 is circular; the two forms of the transition section 13 are implemented, one is that when the heat exchange pipeline 1 is a whole, part of the pipe body is flat through the pressing mechanism, and the transition section 13 is formed between the other round pipe body and the flat; or a splicing manner is adopted, the flat pipe body and the circular pipe body are welded through the transition section 13, wherein in the casting or die-casting process, the transition section 13 can be exposed outside the heat dissipation core body 2, and also can be partially or completely positioned inside the heat dissipation core body 2, if the transition section 13 is exposed outside the heat dissipation core body 2, the connection strength of the transition section 13 and the flat pipe section 11 needs to be enhanced, so as to prevent breakage, and if the transition section 13 is partially or completely positioned inside the heat dissipation core body 2, the connection strength of the transition section 13 and the circular pipe body needs to be enhanced. As shown in fig. 2 to 4, the heat exchange pipeline 1 is a whole pipe body, the heat exchange pipeline 1 is a bent pipeline, and the bent pipeline includes at least one liquid inlet section 31, at least one liquid outlet section 32, a plurality of flat pipe sections 11, a bent section 12 for communicating the flat pipe sections 11, and a transition section 13; one section of the circular pipe exposed outside the radiating core body 2 is used as a liquid inlet section 31, and the other section of the circular pipe is used as a liquid outlet section 32; the flat pipe sections 11 are all arranged in the heat dissipation core 2, the bent sections 12 are exposed at the end of the heat dissipation core 2 or embedded in the heat dissipation core 2, in this embodiment, the bent pipes may be U-shaped coils, W-shaped coils, M-shaped coils or coils in staggered communication, the bent sections 12 are exposed outside the heat dissipation core 2, wherein a section of transition section 13 is arranged between the flat pipe sections 11 and the bent sections 12 wrapped around the heat dissipation core 2, a section of transition section 13 is also arranged between the flat pipe sections 11 wrapped around the heat dissipation core 2 and the circular pipe body exposed outside the heat dissipation core 2, the cross section of the side wall of the pipe body of the transition section 13 is at a certain inclination angle, the included angle between the surface of the transition section 13 and the surface of the straight flat pipe section 11 wrapped around the heat dissipation core 2 is an obtuse angle, the cross section structure presented by the combination mode is as shown in fig. 4, that the pipe wall surface of the flat pipe section 11 in the heat dissipation core 2 is lower than the pipe wall exposed outside the heat dissipation core 2 The round pipe body surface, and then form a sunken face, when carrying out die-casting or casting preparation heat dissipation core 2, the inner wall of heat dissipation core 2 and heat transfer pipeline 1's outer wall, wherein the inner wall of heat dissipation core 2 has at least a part to be protruding structure 22, the protruding structure 22 wall of heat dissipation core 2 closely laminates with sunken face, further promotes the connection degree of heat dissipation core 2 and heat transfer pipeline 1, prevents that heat transfer pipeline 1 from breaking away from heat dissipation core 2, in other words, even the bonding reduces between heat dissipation core 2 and heat transfer pipeline 1, because protruding structure 22 and the structural cooperation of sunken face, leads to heat transfer pipeline 1 can't break away from heat dissipation core 2.

Based on the above scheme, the heat-exchanging pipeline 1 coated by the heat-radiating core body 2 in a die-casting or casting manner may specifically include the following two schemes:

in the first scheme, the opposite surface of the heat exchange surface is a plane, and the thickness of the heat dissipation core body 2 formed by the opposite surface and the heat exchange surface is larger than the outer diameter of the heat exchange pipeline 1 in the corresponding direction. The heat exchange pipe 1 is wrapped in the heat dissipation core body 2 between the opposite surface and the heat exchange surface. The scheme limits that the heat exchange surface and the opposite surface are planes, and the thickness of the heat dissipation core body 2 is required to be larger than the outer diameter of the heat exchange pipeline 1 in the corresponding direction. The corresponding direction referred to herein is the thickness direction of the heat dissipation core 2.

As shown in fig. 1, an arch wall 21 is formed on the opposite surface of the heat-exchanging surface of the heat-dissipating core 2, the heat-exchanging pipe 1 is wrapped in the heat-dissipating core 2 between the arch wall 21 and the heat-exchanging surface, and at least a part of the side wall of the heat-exchanging pipe 1 is located in the arch wall 21. In this solution, the arched wall 21 is formed on the opposite surface of the heat dissipation core 2, and the arched wall 21 is provided with a channel for forming the cladding heat exchange tube 1, compared with the previous solution, the thickness of the rest positions of the heat dissipation core 2 required by this solution is reduced, which is more beneficial to saving materials.

Additional innovation points of the embodiment are:

1. through the radiator formed by die casting or casting, the heat exchange pipeline 1 is tightly attached to the radiating core body 2, and the heat exchange pipeline 1 and the radiating core body 2 cannot be loosened.

2. The pipe wall coated in the heat dissipation core body 2 is made into a flat structure, so that the heat dissipation core body 2 formed by die casting or casting is in a protruding structure 22, the protruding structure is tightly attached to the surface of the pipe wall of the flat structure, a channel formed by the heat dissipation core body and the attaching surface of the heat exchange pipeline is variable-diameter, and the heat dissipation core body and the heat exchange pipeline are further prevented from loosening.

3. The axis of the heat exchange pipeline 1 is approximately parallel to the heat exchange surface of the heat dissipation core body 2, the heat exchange distance between the cooling medium embedded into the flat pipe section in the heat dissipation core body and the heating source is shortened, and the heat exchange efficiency is improved.

Example 2:

an air conditioning inverter comprising a die cast or cast heat sink as described in embodiment 1.

Example 3:

an electronic device comprising a die-cast or cast heat sink as described in embodiment 1.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 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 (9)

1. An efficient die-casting or casting radiator comprises a heat exchange pipe (1) for conveying a cooling medium, and a radiating core (2) for heat exchange; one part of the side wall of the heat dissipation core body (2) forms a heat exchange surface used for being connected with a heating source, and the heat exchange surface is a plane used for being in close contact with the heating source directly or through a heat exchange medium, and is characterized in that the heat dissipation core body (2) is coated on the outer side of part of the pipe body of the heat exchange pipeline (1) in a die casting or casting mode, and the cross section of at least part of the pipe body coated in the heat dissipation core body (2) is flat.

2. The die-cast or cast heat sink according to claim 1, characterized in that the heat exchange conduit (1) further comprises a transition section (13) for connecting the flat tube section (11) and the circular tube section, the transition section (13) being exposed outside the heat radiating core (2) or at least partly inside the heat radiating core (2).

3. Die-cast or cast heat sink according to claim 2, characterised in that the tube side wall cross-section of the transition section (13) is at an oblique angle.

4. Die-cast or cast heat sink according to claim 1, characterised in that the plane of the axis of the heat exchange tubes (1) encased in the heat radiating core (2) is substantially parallel to the heat exchange surface.

5. The die-cast or cast radiator according to claim 1, wherein the heat exchange conduit (1) is a bent conduit, and the bent conduit comprises a liquid inlet section (31), a liquid outlet section (32), a plurality of flat pipe sections (11), and a bent section (12) and a transition section (13) for communicating the flat pipe sections (11); the flat pipe section (11) is at least partially wrapped in the heat dissipation core body (2), and the bending section (12) is exposed out of the end part of the heat dissipation core body (2) or embedded in the heat dissipation core body (2).

6. A die-cast or cast heat sink according to claim 1, wherein the heat radiating core (2) is formed with arched walls (21) on opposite sides of the heat exchanging surface, the heat exchanging tubes (1) being enclosed in the heat radiating core (2) between the arched walls (21) and the heat exchanging surface, and at least part of the side walls of the heat exchanging tubes (1) being located in the arched walls (21).

7. The die-cast or cast heat sink according to claim 1, wherein the opposite surface of the heat exchanging surface is a flat surface, and the thickness of the heat dissipating core (2) formed by the opposite surface and the heat exchanging surface is larger than the corresponding direction outer diameter of the heat exchanging pipe (1); the heat exchange pipe (1) is coated in the heat dissipation core body (2) between the opposite surface and the heat exchange surface.

8. An air conditioner inverter, characterized in that, comprises a radiator as claimed in any one of claims 1-7.

9. An electronic device comprising a heat sink according to any one of claims 1 to 7.

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