CN213662260U

CN213662260U - Heat radiation module

Info

Publication number: CN213662260U
Application number: CN202022568093.1U
Authority: CN
Inventors: 赵生虎
Original assignee: Taicang Xinhuaying Electronic Co Ltd
Current assignee: Taicang Xinhuaying Electronic Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-09
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a heat radiation module, which comprises a heat radiation component; the heat dissipation assembly is provided with a substrate, the substrate is provided with an upper surface and a lower surface, the lower surface of the substrate is combined with a heat dissipation fin group, and the heat dissipation fin group is provided with a plurality of heat dissipation fins; the upper surface of the substrate is concavely provided with at least one accommodating groove, heat pipes are arranged in the accommodating grooves, and the cross sections of the heat pipes are polygonal; the extending paths of the at least two accommodating grooves are in a U-shaped opening shape, the opening directions are opposite, the extending paths are communicated with the other end of the U-shaped opening, the shape of the extending path of each heat pipe is the same as that of the corresponding accommodating groove, and a metal plate is arranged above the heat pipe; the utility model discloses utilize polygon heat pipe and storage tank welding or sticky mode, make two at least surfaces of its heat pipe and the internal face of storage tank form the face contact, increased heat pipe and radiator unit's effective area of contact, promoted whole heat dissipation module's heat conductivility.

Description

Heat radiation module

Technical Field

The utility model relates to a heat dissipation field, in particular to increase heat pipe and radiating component's area of contact's heat dissipation module.

Background

Based on the application of the currently used circular heat pipe and the flattened side edge natural R-angle heat pipe, after the heat pipe is welded with the radiating fins or radiating fins, the R-angle is not in contact welding with the radiating fins or radiating fins, so that the performance loss is caused, the combination structure of the heat pipe and the radiating fins is mainly formed by the contact welding of a single surface of the heat pipe and the radiating fins, the contact surface is only one surface of the bottom of the heat pipe, the contact area is not favorable for optimization, and the performance of the whole radiating module is influenced.

Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively solve above-mentioned technical problem's heat dissipation module.

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

a heat dissipation module comprises a heat dissipation assembly and heat pipes, wherein at least one accommodating groove is formed in the heat dissipation assembly, the heat pipes are arranged in the accommodating grooves and used for rapidly conducting local heat to all positions of the heat dissipation assembly, and the cross sections of the heat pipes are polygonal.

Preferably, the extension path of the heat pipe is nonlinear.

Preferably, the heat dissipation assembly has a substrate, the substrate has an upper surface and a lower surface, the upper surface of the substrate is concavely provided with at least two accommodating grooves, local positions of the at least two accommodating grooves are communicated, each accommodating groove is provided with a heat pipe, and the at least two heat pipes are contacted at a communication position corresponding to the accommodating groove.

Preferably, the extending paths of at least two of the accommodating grooves are in a U-shaped opening shape, the opening directions are opposite, the extending paths are communicated with the other end of the U-shaped opening, and the extending path of each heat pipe is the same as the corresponding accommodating groove.

Preferably, the heat dissipation assembly is provided with a heat dissipation fin group, the heat dissipation fin group is combined on the lower surface of the substrate, the combination mode of the heat dissipation fin group and the substrate is welding or gluing, the heat dissipation fin group is provided with a plurality of heat dissipation fins, and the heat dissipation fins are fixed in a stacking and buckling mode.

Preferably, the heat dissipation assembly has a metal sheet, the metal sheet is disposed on the upper surface of the substrate, and the metal sheet covers at least a part of the communication position of the accommodating groove and contacts the heat pipe at the communication position of the accommodating groove.

Preferably, the heat dissipation assembly is provided with a heat dissipation fin group, the heat dissipation fin group is provided with a plurality of heat dissipation fins, the heat dissipation fins are arranged at intervals in a longitudinal arrangement mode, the heat dissipation fin group penetrates through the plurality of heat dissipation fins along the arrangement direction of the heat dissipation fins at the position of the heat dissipation fins to form the accommodating groove, and the heat dissipation end of the heat pipe is correspondingly inserted and combined in the accommodating groove.

Preferably, the receiving groove penetrates all the heat dissipation fins along the arrangement direction of the heat dissipation fins, the receiving groove is open along the extension direction of the heat dissipation fins and forms an insertion opening, and the heat dissipation end of the heat pipe is inserted into the receiving groove from the extension direction of the heat dissipation fins through the insertion opening.

Preferably, the heat dissipation assembly has a metal sheet, and the metal sheet is attached to the heat absorption end of the heat pipe in a welding or adhesive connection manner.

Preferably, at least two surfaces of the heat pipe are in surface contact with the inner wall surface of the accommodating groove, and the contact surfaces of the accommodating groove and the heat pipe are fixed by welding or gluing.

The utility model has the advantages that: the utility model discloses increased heat pipe and radiator unit's effective area of contact, promoted whole heat dissipation module's heat conductivility.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation module according to a first preferred embodiment of the present disclosure;

FIG. 2 is an exploded view of the first preferred embodiment illustrated in FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a schematic structural diagram of a heat dissipation module according to a second preferred embodiment of the present disclosure;

fig. 5 is an enlarged view of the structure of the cooling fin set in the dotted line in fig. 4.

Description of reference numerals: 1-a heat dissipation assembly; 11-a substrate; 111-upper surface; 112-lower surface; 1111-a storage tank; 12-a set of cooling fins; 121-a heat sink; 13-a metal sheet; 131-screw holes; 2-a heat pipe; 3-a heat dissipation assembly; 31-a set of cooling fins; 311-a heat sink; 3111-a receiving tank; 3112-extending the fold edge; 32-a metal sheet; 4-a heat pipe; f-insertion opening.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

Referring to fig. 1 and fig. 2, a heat dissipation module disclosed in the present invention includes: a heat sink assembly 1 and a heat pipe 2 which are matched with each other.

Referring to fig. 2, the heat dissipation assembly 1 includes a substrate 11, the substrate 11 has an upper surface 111 and a lower surface 112, two receiving slots 1111 are recessed in the upper surface 111 of the substrate 11, and the two receiving slots 1111 are partially connected. The two accommodating grooves 1111 are respectively provided with a heat pipe 2, and the heat pipes 2 are contacted at the communication positions corresponding to the accommodating grooves 1111. The extending paths of the two accommodating grooves 1111 are in a U-shaped opening shape, the opening directions are opposite, and the extending paths are communicated with the other end of the U-shaped opening. The extension paths of the two receiving grooves 1111 are designed to facilitate the heat pipe 2 to rapidly guide the heat to any position of the substrate 11, thereby improving the heat dissipation efficiency of the heat dissipation module. Each heat pipe 2 is contacted at the communication position corresponding to the containing groove 1111, and the contact position of the two heat pipes 2 can correspond to the heat source, so that the contact area between the heat pipes is increased, and the heat dissipation efficiency of the heat dissipation module is remarkably improved. The number of the receiving grooves 1111 is not limited thereto.

Specifically, the cross section of the heat pipe 2 is polygonal (preferably square), and the extending paths of the heat pipe 2 correspond to the extending paths of the accommodating groove 1111 one by one.

Specifically, the heat dissipation assembly 1 has a metal plate 13, the metal plate 13 is rectangular, and each of the peripheries of the metal plate 13 has a screw hole 131 for being attached to the upper surface 111 of the substrate 11 in a screw locking manner (not shown), and the metal plate 13 covers at least a portion of the communication position of the accommodating groove 1111 and contacts the heat pipe 2 at the communication position of the accommodating groove 1111. The metal sheet 13 is made of copper, and its shape is not limited thereto. The metal sheet 13 covers the communication position of the containing groove 1111 and contacts the heat pipe 2 at the communication position of the containing groove 1111, so as to better guide heat into the heat pipe and improve the heat dissipation efficiency.

Referring to fig. 3, the heat dissipating assembly 1 has a heat dissipating fin set 12, the heat dissipating fin set 12 is combined with the lower surface 112 of the substrate 11, and the combination of the heat dissipating fin set 12 and the substrate 11 is welding or gluing. The heat sink fin set 12 has a plurality of heat sink fins 121, and the heat sink fins 121 are fixed by stacking and fastening.

Specifically, the heat generating device is mounted on the metal sheet 13 to contact a heat source, then the heat pipe 2 conducts the heat, the heat pipe 2 quickly conducts the heat to any place of the substrate 11, and finally the heat radiating fin group 12 composed of a plurality of heat radiating fins 121 radiates the heat to the air.

Specifically, the working principle of the heat pipe 2 belongs to the prior art, and therefore, will not be described herein.

Specifically, each heat pipe 2 is welded or glued in the corresponding accommodating groove 1111, so that three surfaces of the heat pipe 2 are in surface contact with the inner wall surface of the accommodating groove 1111, the effective contact area between the heat pipe 2 and the heat dissipation assembly 1 is increased, and the heat conduction performance of the whole heat dissipation module is improved.

In other embodiments, the heat dissipating fin set 12 and the heat dissipating assembly 11 may be designed as an integral structure.

Please refer to fig. 4 and 5, which illustrate a heat dissipation module according to a second preferred embodiment of the present invention. It includes: a heat sink 3 and a heat pipe 4 which are matched with each other.

Referring to fig. 4, the heat dissipating assembly 3 has a heat dissipating fin set 31, the heat dissipating fin set 31 has a plurality of heat dissipating fins 311, and each of the plurality of heat dissipating fins 311 is disposed at intervals in a longitudinal arrangement. The heat dissipating fin set 31 penetrates the plurality of heat dissipating fins 311 at the position of the heat dissipating fins 311 along the arrangement direction of the heat dissipating fins 311 to form the receiving groove 3111, and the heat dissipating ends of the heat pipes 4 are correspondingly inserted and combined in the receiving groove 3111.

Specifically, the receiving groove 3111 penetrates all the heat dissipation fins 311 along the arrangement direction of the heat dissipation fins 311, the receiving groove 3111 is open along the extension direction of the heat dissipation fins 311 and forms an insertion opening F, and the heat dissipation end of the heat pipe 4 is inserted into the receiving groove 3111 through the insertion opening F from the extension direction of the heat dissipation fins 311.

Referring to fig. 5, the plurality of heat dissipation fins 311 are formed with extending bent edges 3112 at the accommodation groove 3111 along the arrangement direction of the heat dissipation fins 311; in this embodiment, the extending flange 3112 is additionally provided to further increase the contact area between the heat sink 311 and the heat pipe 4, i.e. to obtain better heat conduction efficiency.

Specifically, the heat dissipation assembly 3 has a metal sheet 32, the metal sheet 32 is rectangular, and each of the peripheries of the metal sheet 32 has a screw hole for being attached to the heat generating device by screw fastening (not shown), and the metal sheet 32 is attached to the heat absorbing end of the heat pipe 4 by welding or adhesive connection.

Specifically, the heating device is mounted on the metal sheet 32 to contact the heat source, then the heat is conducted through the heat pipe 4, the heat is quickly conducted to the plurality of heat dissipation fins 311 through the heat pipe 4, and finally the heat is dissipated to the air through the heat dissipation fin group 31.

Specifically, the working principle of the heat pipe 4 belongs to the prior art, and therefore, is not described herein.

Specifically, the heat pipe 4 is welded or glued in the accommodating groove 3111, so that at least two surfaces of the heat pipe 4 are in surface contact with the inner wall surface of the accommodating groove 3111, the effective contact area between the heat pipe 4 and the heat dissipation assembly 3 is increased, and the heat conduction performance of the whole heat dissipation module is improved.

To sum up, the utility model discloses a make into heat dissipation assembly and be the corresponding storage tank of polygon with the heat pipe cross section, and with heat pipe welding or gluing in the storage tank that corresponds, this mode makes two at least surfaces of heat pipe and the internal face formation face contact of storage tank, has increased heat pipe and heat dissipation assembly's effective area of contact, has promoted whole heat dissipation module's heat conductivility.

Claims

1. The utility model provides a heat dissipation module, includes radiator unit and heat pipe, its characterized in that: the heat dissipation assembly is provided with at least one accommodating groove, heat pipes are arranged in the accommodating groove and used for rapidly conducting local heat to all positions of the heat dissipation assembly, and the cross section of each heat pipe is polygonal.

2. The heat dissipation module of claim 1, wherein: the extending path of the heat pipe is nonlinear.

3. The heat dissipation module of claim 1 or 2, wherein: the heat dissipation assembly is provided with a substrate, the substrate is provided with an upper surface and a lower surface, the upper surface of the substrate is concavely provided with at least two accommodating grooves, local positions of the at least two accommodating grooves are communicated, each accommodating groove is provided with a heat pipe, and the at least two heat pipes are contacted at the communication position corresponding to the accommodating groove.

4. The heat dissipation module of claim 3, wherein: the extending paths of at least two accommodating grooves are in a U-shaped opening shape, the opening directions are opposite, the extending paths are communicated with the other ends of the U-shaped openings, and the extending paths of the heat pipes are the same as the corresponding accommodating grooves.

5. The heat dissipation module of claim 4, wherein: the radiating assembly is provided with a radiating fin group, the radiating fin group is combined on the lower surface of the substrate, the combining mode of the radiating fin group and the substrate is welding or gluing, the radiating fin group is provided with a plurality of radiating fins, and the radiating fins are fixed in a stacking and buckling mode.

6. The heat dissipation module of claim 3, wherein: the heat dissipation assembly is provided with a metal sheet, the metal sheet is attached to the upper surface of the substrate, and the metal sheet covers at least part of the communication position of the accommodating groove and is in contact with the heat pipe at the communication position of the accommodating groove.

7. The heat dissipation module of claim 1, wherein: the heat dissipation assembly is provided with a heat dissipation fin group, the heat dissipation fin group is provided with a plurality of heat dissipation fins, the heat dissipation fins are arranged at intervals in a longitudinal arrangement mode, the heat dissipation fin group penetrates through the plurality of heat dissipation fins along the arrangement direction of the heat dissipation fins at the position of the heat dissipation fins to form the accommodating groove, and the heat dissipation end of the heat pipe is correspondingly inserted into and combined with the accommodating groove.

8. The heat dissipation module of claim 7, wherein: the heat pipe is characterized in that the accommodating groove penetrates through all the radiating fins along the arrangement direction of the radiating fins, the accommodating groove is open along the extension direction of the radiating fins and forms an insertion opening, and the heat radiating end of the heat pipe is inserted into the accommodating groove from the extension direction of the radiating fins through the insertion opening.

9. The heat dissipation module of claim 8, wherein: the heat dissipation assembly is provided with a metal sheet, and the metal sheet is attached to the heat absorption end of the heat pipe in a welding or gluing connection mode.

10. The heat dissipation module of claim 1, 2, 7, 8, or 9, wherein: at least two surfaces of the heat pipe are in surface contact with the inner wall surface of the accommodating groove, and the contact surfaces of the accommodating groove and the heat pipe are fixed by welding or gluing.