Heat dissipation device with oppositely wrapped heat pipes

Abstract

The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device with heat pipes wrapped oppositely. The heat dissipation device comprises a mounting plate, a plurality of heat dissipation assemblies and two heat pipe assemblies. The multiple heat dissipation assemblies are arranged at intervals in the first direction to form a containing gap, the two heat pipe assemblies are of a U-like structure and oppositely wrap the heat dissipation assemblies in the second direction, each heat pipe assembly comprises a plurality of heat pipes, each heat pipe comprises a heat conduction part, and the heat conduction parts are arranged on the heat dissipation assemblies. The heat conduction parts extend in the second direction and penetrate through the containing gaps of the two adjacent heat dissipation assemblies, the heat pipes are divided into multiple sets, the heat conduction parts of each set of heat pipes are located in the different containing gaps respectively, and the two side walls of the heat conduction parts make contact with the two adjacent heat dissipation assemblies respectively. According to the heat dissipation device, the heat pipes relatively wrapping the heat dissipation assembly are utilized, the number of the heat pipes making contact with the heat dissipation assembly is increased, meanwhile, the contact area of the heat pipes and the heat dissipation assembly is increased, and the heat dissipation power of the heat dissipation device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device in which heat pipes are relatively wrapped. Background Art

[0002] At present, radiators are widely used in various heating elements that can generate a lot of heat, such as lamps, electronic components, and electronic products, to ensure the service life of the heating elements.

[0003] At present, commonly used heat dissipation devices include heat pipe assemblies and heat dissipation assemblies. Among them, part of the heat pipe assembly is located in the heat dissipation assembly. Its working principle is that one end of the heat pipe assembly is arranged close to the heating element to absorb the heat of the heating element, and then the heat conduction performance of the heat pipe assembly is used to conduct heat to the far end of the heat pipe assembly, and the heat pipe assembly is used to conduct the heat to the heat dissipation assembly for heat dissipation.

[0004] The commonly used heat dissipation assembly in the prior art is a fin structure, and the common specific connection method between the heat pipe assembly and the heat dissipation assembly is that the heat pipe assembly is inserted into the fin, and the heat dissipation is achieved by the contact between the heat pipe assembly and the fin. However, the contact area between the heat pipe assembly and the fin in this connection method is small, and the heat dissipation power is low.

[0005] In order to solve the above problems, it is urgent to provide a heat dissipation device in which heat pipes are relatively wrapped to solve the problem of low heat dissipation power. Utility Model Content

[0006] The purpose of the utility model is to provide a heat dissipation device in which heat pipes are relatively wrapped around a heat dissipation component, thereby increasing the number of heat pipes in contact with the heat dissipation component and increasing the contact area between the heat pipes and the heat dissipation component, which is beneficial to improving the heat dissipation power of the heat dissipation device.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] A heat dissipation device in which heat pipes are arranged to be wrapped relative to each other, comprising:

[0009] A plurality of groups of heat dissipation components, wherein the plurality of groups of heat dissipation components are spaced apart along a first direction to form an accommodation gap;

[0010] Two groups of heat pipe assemblies, the two groups of heat pipe assemblies are U-shaped structures, and the two groups of heat pipe assemblies are relatively wrapped on the heat dissipation assembly along the second direction, the heat pipe assembly includes a plurality of heat pipes, each of the heat pipes includes a heat conducting portion, the heat conducting portion extends along the second direction and is arranged in the accommodation gaps between two adjacent groups of heat dissipation assemblies, the plurality of heat pipes are divided into a plurality of groups, the heat conducting portions of each group of heat pipes are respectively located in different accommodation gaps, and two side walls of the heat conducting portion are respectively arranged in contact with two adjacent heat dissipation assemblies; and

[0011] The mounting plate is configured to fix the heating element. The mounting plate is provided with a mounting groove. The heat pipe also includes a heat absorbing part. The heat absorbing part is located in the mounting groove, and the heat absorbing parts of the plurality of heat pipes are arranged in parallel along a third direction.

[0012] Optionally, the cross-sectional shape of the heat absorption part and the heat conduction part is square.

[0013] Optionally, the heat dissipation component includes:

[0014] At least one heat sink comprises a frame and a plurality of fins, wherein the fins extend along the third direction, and the plurality of fins are arranged on the inner wall of the frame in parallel and at intervals along the second direction.

[0015] Optionally, the heat sink is formed by extrusion.

[0016] Optionally, the frame is a square or U-shaped structure, and the turning point of the frame is an arc-shaped structure, and the heat pipe further includes:

[0017] A connecting part is connected between the heat conducting part and the heat absorbing part, and the connecting part is connected to the heat conducting part and the heat absorbing part in an arc shape, and the connecting part can contact the outer wall of the frame.

[0018] Optionally, the cross-sectional shape of the connecting portion is flat.

[0019] Optionally, when the heat dissipation assembly includes two heat dissipation elements, the frame is a U-shaped structure, and the two heat dissipation elements are arranged opposite to each other.

[0020] Optionally, two adjacent groups of heat dissipation components are fixedly connected via the frame.

[0021] Optionally, the frame is provided with a plurality of convex ribs, the plurality of convex ribs are arranged on the inner wall of the frame in parallel and at intervals along the second direction, and the convex ribs extend along the third direction, and the fixing member is arranged on the convex ribs.

[0022] Optionally, along the first direction, two side walls of the heat absorption portion abut against the heat dissipation assembly and the heat generating element respectively.

[0023] The beneficial effects of the utility model are:

[0024] The utility model provides a heat dissipation device in which heat pipes are relatively wrapped. The heat dissipation device comprises a mounting plate, a plurality of heat dissipation components and two heat pipe components. The plurality of heat dissipation components are arranged at intervals along a first direction to form an accommodation gap, the two heat pipe components are of a U-shaped structure, and the two heat pipe components are relatively wrapped on the heat dissipation component along a second direction, the heat pipe component comprises a plurality of heat pipes, each heat pipe comprises a heat conducting portion, the heat conducting portion extends along the second direction and is inserted into the accommodation gap between two adjacent heat dissipation components, the plurality of heat pipes are divided into a plurality of groups, the heat conducting portions of each heat pipe group are respectively located in different accommodation gaps, the two side walls of the heat conducting portion are respectively arranged in contact with two adjacent heat dissipation components, the mounting plate is configured to fix the heating element, the mounting plate is provided with a mounting groove, the heat pipe further comprises a heat absorbing portion, the heat absorbing portion is located in the mounting groove, and the heat absorbing portions of the plurality of heat pipes are arranged in parallel along a third direction. In this embodiment, the heat dissipation device utilizes the heat pipes relatively wrapped on the heat dissipation component to increase the number of heat pipes in contact with the heat dissipation component, and at the same time increase the contact area between the heat pipe and the heat dissipation component, which is conducive to improving the heat dissipation power of the heat dissipation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0026] Figure 1 It is a structural schematic diagram of the heat dissipation device provided by an embodiment of the utility model;

[0027] Figure 2 It is a structural schematic diagram of a heat pipe assembly provided by an embodiment of the utility model;

[0028] Figure 3 It is a schematic diagram of the structure of the heat sink provided by an embodiment of the utility model.

[0029] The following are marked in the figure:

[0030] 100-heat dissipation assembly; 110-accommodation gap; 120-heat dissipation element; 121-frame; 122-fin; 123-convex rib;

[0031] 200-heat pipe assembly; 210-heat pipe; 211-heat conducting part; 212-heat absorbing part; 213-connecting part;

[0032] 300-mounting plate; 310-mounting slot. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only partial structures related to the present invention are shown in the accompanying drawings, rather than the entire structure.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the connection of the internal structures of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0037] like Figure 1 and Figure 2As shown, this embodiment provides a heat dissipation device in which heat pipes are relatively wrapped and arranged, and the heat dissipation device includes multiple groups of heat dissipation components 100 and two groups of heat pipe components 200. Multiple groups of heat dissipation components 100 are arranged at intervals along the Z direction (first direction) to form a receiving gap 110, and the two groups of heat pipe components 200 are U-shaped structures, and the two groups of heat pipe components 200 are relatively wrapped on the heat dissipation component 100 along the X direction (second direction). The heat pipe component 200 includes multiple heat pipes 210, each heat pipe 210 includes a heat conducting portion 211, and the heat conducting portion 211 extends along the X direction and penetrates the receiving gap 110 of two adjacent groups of heat dissipation components 100. The multiple heat pipes 210 are divided into multiple groups, and the heat conducting portions 211 of each group of heat pipes 210 are respectively located in different receiving gaps 110, and the two side walls of the heat conducting portion 211 are respectively arranged in contact with two adjacent heat dissipation components 100. In this embodiment, the heat dissipation device utilizes the heat pipe 210 relatively wrapped around the heat dissipation component 100 to increase the number of heat pipes 210 in contact with the heat dissipation component 100 and increase the contact area between the heat pipe 210 and the heat dissipation component 100, which is beneficial to improve the heat dissipation power of the heat dissipation device.

[0038] Specifically, in order to make the contact surface between the heat conducting surface and the heat dissipation cotton smooth, the cross-sectional shape of the heat conducting part 211 is square, so that the heat conducting part 211 can be in surface-to-surface contact with the heat dissipation component 100. Compared with the heat conducting part 211 with a circular cross-section, the contact area between the heat conducting part 211 and the heat dissipation component 100 is increased, which is beneficial to increase the heat conducting effect of the heat conducting part 211, and thereby improve the heat dissipation power of the heat dissipation device.

[0039] In addition, the heat dissipation device further comprises a mounting plate 300, and the mounting plate 300 is used to fix the heating element.

[0040] Furthermore, a mounting groove 310 is provided on the mounting plate 300, and the heat pipe 210 also includes a heat absorption portion 212, which is located in the mounting groove 310, and the heat absorption portions 212 of multiple heat pipes 210 are arranged in parallel along the Y direction (the third direction). At this time, the heat absorption portion 212 is arranged in close distance or even in contact with the heating element, which is beneficial to increase the heat absorption effect of the heat absorption portion 212.

[0041] In this embodiment, there are three groups of heat dissipation components 100, and there are two accommodating gaps 110 between the three groups of heat dissipation components 100. A heat conducting portion 211 can also be provided on one side of the heat dissipation component 100 away from the mounting plate 300, that is, there are three accommodating gaps 110 in which the heat conducting portion 211 can be provided. The multiple heat pipes 210 of the heat pipe assembly 200 located on one side are divided into three groups, and each group includes three heat pipes 210. At this time, the heat conducting portion 211 of each group of heat pipes 210 can be sequentially arranged in different accommodating gaps 110 along the Z direction. The multiple heat pipes 210 of the heat pipe assembly 200 located on the other side have the same structure and will not be described here.

[0042] Optionally, the sides of two adjacent heat absorbing parts 212 are arranged in contact with each other, so that heat conduction can be carried out between the two heat absorbing parts 212, thereby improving the heat distribution effect of the heat pipe assembly 200. In addition, along the Z direction, the two side walls of the heat absorbing part 212 are respectively in contact with the heat dissipation assembly 100 and the heating element, so that the heat absorbing part 212 directly absorbs heat from the heating element, reduces the heat conduction distance, improves the heat conduction effect of the heat pipe 210, and is conducive to improving the heat dissipation power of the heat dissipation device.

[0043] The cross-sectional shape of the heat absorbing portion 212 is square, thereby increasing the contact area of ​​the sides of two adjacent heat absorbing portions 212 and improving the temperature uniformity effect between the heat absorbing portions 212 and between the heat absorbing portions 212 and the mounting plate 300 .

[0044] Alternatively, if Figure 1 and Figure 3 As shown, the heat dissipation assembly 100 includes at least one heat dissipation element 120, and the heat dissipation element 120 includes a frame 121 and a plurality of fins 122. The fins 122 extend along the Y direction, and the plurality of fins 122 are arranged on the inner wall of the frame 121 in parallel and at intervals along the X direction, so that the frame 121 is in contact with the heat pipe 210 for heat conduction, and the fins 122 play a role in heat dissipation.

[0045] In this embodiment, the heat sink 120 is formed by extrusion molding, which is beneficial to increasing the processing efficiency of the heat sink 120 and reducing the processing cost.

[0046] The frame 121 is a square or U-shaped structure, and the turning point of the frame 121 is an arc-shaped structure. The heat pipe 210 also includes a connecting portion 213, which is connected between the heat conducting portion 211 and the heat absorbing portion 212, and the connecting portion 213 is connected to the heat conducting portion 211 and the heat absorbing portion 212 in an arc shape. The connecting portion 213 can contact the outer wall of the frame 121 to simultaneously increase the contact area of ​​the arc structure of the heat pipe 210 at the arc structure of the frame 121, thereby increasing the heat conduction area between the heat pipe 210 and the heat sink 120.

[0047] It is understandable that, since the area of ​​the mounting plate 300 is larger than the area of ​​the heat absorbing portion 212, the heat absorbing portions 212 of the heat pipe assemblies 200 on both sides can be arranged on one side, in the middle or on both sides of the mounting plate 300. In this case, the arrangement of the connecting portion 213 can enable the heat conducting portion 211 to extend to any position of the accommodating gap 110 along the X direction, which is conducive to improving the flexibility of the arrangement of the heat pipe 210.

[0048] Due to the connection portion 213 , the heat conducting portions 211 of the two relatively arranged groups of heat pipe assemblies 200 can be arranged alternately or separately along the Y direction, thereby improving the flexibility of the structural selection of the heat pipe assembly 200 .

[0049] In addition, the cross-sectional shape of the connecting portion 213 is flat. In this embodiment, the dimension of the connecting portion 213 along the X direction is greater than the dimension of the connecting portion 213 along the Y direction, so that more connecting portions 213 can be arranged in a space with the same dimension along the Y direction, so that avoidance between adjacent heat pipes 210 and heat pipes 210 is achieved, which is conducive to increasing the number of heat pipes 210 to be arranged.

[0050] When the heat dissipation assembly 100 includes two heat dissipating elements 120, the frame 121 is a U-shaped structure, and the two heat dissipating elements 120 are arranged opposite to each other, so that the user can selectively set the number and structure of the heat dissipating elements 120 according to the heat and size of the heat generating element. In addition, on the end surface of the heat dissipation assembly 100 away from the mounting plate 300, only one heat dissipating element 120 can be arranged at intervals, and the heat dissipating element 120 is used to dissipate heat from the end surface of the outermost heat conducting portion 211 away from the mounting plate 300. This structure is conducive to simplifying the structure of the heat dissipation device, reducing the volume, and reducing the cost.

[0051] In order to ensure the structural stability of the heat dissipation device, two adjacent groups of heat dissipation components 100 are fixedly connected on the frame 121. Exemplarily, the fixed connection here can be fixedly connected by fixing parts such as screws, pins, rivets, etc., or can be fixed by welding. Furthermore, a plurality of ribs 123 are provided on the frame 121, and the plurality of ribs 123 are arranged on the inner wall of the frame 121 in parallel and at intervals along the X direction, and the ribs 123 extend along the Y direction, and the fixing parts are arranged on the ribs 123, and the ribs 123 can provide a support position for fixing and assembling the heat dissipation element 120.

[0052] Note that the above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat dissipation device in which heat pipes are arranged to be wrapped relative to each other, characterized in that: include: A plurality of groups of heat dissipation components (100), wherein the plurality of groups of heat dissipation components (100) are arranged at intervals along a first direction to form an accommodation gap (110); Two groups of heat pipe assemblies (200), the two groups of heat pipe assemblies (200) are of a U-shaped structure, and the two groups of heat pipe assemblies (200) are relatively wrapped around the heat dissipation assembly (100) along a second direction, the heat pipe assembly (200) comprises a plurality of heat pipes (210), each of the heat pipes (210) comprises a heat conducting portion (211), the heat conducting portion (211) extends along the second direction and is arranged in the accommodation gaps (110) of two adjacent groups of heat dissipation assemblies (100), the plurality of heat pipes (210) are divided into a plurality of groups, the heat conducting portion (211) of each group of heat pipes (210) is respectively located in different accommodation gaps (110), and two side walls of the heat conducting portion (211) are respectively arranged in contact with two adjacent heat dissipation assemblies (100); and The mounting plate (300) is configured to fix the heating element, the mounting plate (300) is provided with a mounting groove (310), the heat pipe (210) further comprises a heat absorbing portion (212), the heat absorbing portion (212) is located in the mounting groove (310), and the heat absorbing portions (212) of the plurality of heat pipes (210) are arranged in parallel along a third direction.

2. The heat dissipation device in which heat pipes are arranged to wrap around each other according to claim 1, characterized in that: The cross-sectional shapes of the heat absorbing portion (212) and the heat conducting portion (211) are square.

3. The heat dissipation device in which heat pipes are arranged to be wrapped relative to each other according to claim 1, characterized in that: The heat dissipation assembly (100) comprises: At least one heat sink (120), the heat sink (120) comprising a frame (121) and a plurality of fins (122), the fins (122) extending along the third direction, and the plurality of fins (122) being arranged in parallel and at intervals on the inner wall of the frame (121) along the second direction.

4. The heat dissipation device in which heat pipes are arranged to wrap around each other according to claim 3, characterized in that: The heat sink (120) is formed by extrusion.

5. The heat dissipation device in which heat pipes are arranged to wrap around each other according to claim 4, characterized in that: The frame (121) is a square or U-shaped structure, and the turning point of the frame (121) is an arc-shaped structure. The heat pipe (210) further comprises: A connecting portion (213), wherein the connecting portion (213) is connected between the heat conducting portion (211) and the heat absorbing portion (212), and the connecting portion (213) is connected to the heat conducting portion (211) and the heat absorbing portion (212) in an arc shape, and the connecting portion (213) can contact an outer wall of the frame (121).

6. The heat dissipation device in which heat pipes are arranged to wrap around each other according to claim 5, characterized in that: The cross-sectional shape of the connecting portion (213) is flat.

7. The heat dissipation device in which heat pipes are arranged to be wrapped relative to each other according to claim 3, characterized in that: When the heat dissipation assembly (100) comprises two heat dissipation elements (120), the frame (121) is a U-shaped structure, and the two heat dissipation elements (120) are arranged opposite to each other.

8. The heat dissipation device in which heat pipes are arranged to wrap around each other according to claim 3, characterized in that: Two adjacent groups of heat dissipation components (100) are fixedly connected via the frame (121).

9. The heat dissipation device in which heat pipes are arranged to wrap around each other according to claim 8, characterized in that: The frame (121) is provided with a plurality of convex ribs (123), the plurality of convex ribs (123) are arranged on the inner wall of the frame (121) in parallel and at intervals along the second direction, and the convex ribs (123) extend along the third direction, and the fixing piece is arranged on the convex ribs (123).

10. The heat dissipation device in which heat pipes are arranged to wrap around each other according to any one of claims 1 to 9, characterized in that: Along the first direction, two side walls of the heat absorption portion (212) are respectively in contact with the heat dissipation assembly (100) and the heating element.

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