TWM517844U - Thermal module combination structure - Google Patents

Description

Thermal module combination structure

This creation department has a heat dissipation module, especially a heat dissipation module combination structure with heat pipes and fins.

In general, electronic components generate heat when they operate. Especially with the advancement of technology, the function and performance of electronic products are greatly improved, and the heat generated inside them is greatly increased. For this reason, most electronic components are required to be equipped. A heat dissipating device is provided to maintain the normal operation of the electronic component by controlling the operating temperature. Among them, a heat sink having a heat pipe is disposed in a plurality of stacked heat dissipating fins, which is a common heat dissipating device.

The conventional heat dissipating device generally includes a heat conducting seat, a plurality of heat pipes and a plurality of heat dissipating fins, and the bottom side of the heat conducting seat is attached to a heating element (such as a processor or a graphic display), and the heat pipes are U-shaped heat pipes, and Each of the heat pipes includes a horizontal heat absorbing portion and a heat releasing portion extending from both ends of the heat absorbing portion. The heat absorbing portions of the heat pipes are embedded on one side of the heat conducting seat, and the heat radiating fins are respectively connected to the heat radiating portion of the heat pipe. Therefore, the heat generated by the heating element is first transmitted to the heat conducting seat, and the heat conducting seat transfers the heat to the heat pipe, and finally the heat is transferred from the heat pipe to the heat radiating fin, and then the surface of the heat radiating fin is dissipated into the air.

Although the conventional heat dissipating device can achieve the effect of dissipating heat, when the heat dissipating fins of the conventional heat dissipating device are combined with the heat pipes, they can only be joined and joined at the straight pipe (ie, the heat radiating portion), and it is known at present. Technically, the curved portion between the heat absorbing portion and the heat releasing portion has not been able to overcome the design of the heat sinking fins, so that the curved portion of the heat pipe is limited in this space and cannot be effectively utilized, and only the space is reserved for air to pass, thereby causing the reduction. The utilization rate of the heat pipe and the problem of not being able to increase the heat dissipation area. Therefore, how to effectively utilize the curved portion of the heat pipe and strengthen the fixed structure of the entire heat sink is an improvement for the field.

Therefore, in order to effectively solve the above problems, one of the purposes of the present invention is to provide a heat dissipation module assembly structure that efficiently utilizes the heat transfer of the turning section of the heat pipe.

Another object of the present invention is to provide a heat dissipation group corresponding to the turning section of the heat pipe and the through hole of the heat absorption section extending along the turning length of the turning section and the horizontal length of the heat absorbing section to prevent the heat dissipation group from interfering with the turning section of the heat pipe. .

Another object of the present invention is to provide a heat sink module assembly structure that can strengthen the fixing means between the heat pipe and the heat dissipation group and the base.

Another object of the present invention is to provide a heat dissipating module assembly structure in which a fin or a heat equalizing plate is correspondingly connected to a turning section of a heat pipe to improve heat transfer of the turning section.

In order to achieve the above object, the present invention provides a heat dissipation module assembly structure, comprising: at least one heat pipe, comprising a heat absorption section, at least one heat release section, and at least one turning section connecting the heat absorption section and the heat release section, the heat absorption section having a heat dissipation section The horizontal length, the heat releasing section has a cross section, and a section length is defined between a leftmost outer side and a rightmost outer side of the section, the turning section has a turning length; and a heat dissipating group is sleeved with the heat pipe, including a first a portion corresponding to the heat releasing portion and a second portion corresponding to the turning portion and a third portion corresponding to the heat absorbing portion, wherein the first portion defines a first through hole having a first through hole length and a cross section length of the heat releasing portion of the heat pipe The second portion and the third portion respectively define a second through hole and a third through hole having a second through hole length and a third through hole length along the turning portion and a horizontal length of the heat absorbing portion And extending, wherein the third portion defines a receiving hole that is alternately connected to the third through hole.

In one implementation, the second through hole length and the third through hole length are greater than the first through hole length.

In one embodiment, the receiving hole is provided with a fixing member, and the fixing member comprises at least one abutting portion and at least one fastening portion for fastening the heat absorption portion of the heat pipe.

In one implementation, a base is further disposed below the third portion, the base has an upper surface coupled to the abutment portion of the fixing member, and the lower surface is in contact with a heat generating component.

In one implementation, the base is provided with a groove extending through the upper surface and the lower surface, and a heat absorption section of the heat pipe is disposed in the groove, and two sides of the groove are respectively formed with a bending of the inner wall along the turning section The outer surface is curved.

In one implementation, the first portion is a plurality of stacked first fins, and the second portion is a plurality of stacked second fins or a heat equalizing plate, and the third portion is a plurality of stacked third heat sink fins Or a uniform hot plate.

10‧‧‧heat pipe

11‧‧‧Inhalation section

12‧‧‧ Turning section

121‧‧‧ initial end

End of 122‧‧‧

13‧‧‧heating section

131‧‧‧section

20‧‧‧heating group

21‧‧‧Part 1

211‧‧‧ first through hole

2111‧‧‧First through hole length

22‧‧‧Part II

221‧‧‧Second through hole

2211‧‧‧Second through hole length

23‧‧‧Part III

231‧‧‧ third through hole

2311‧‧‧The third through hole length

232‧‧‧ accommodating holes

30‧‧‧Fixed parts

31‧‧‧Relying Department

32‧‧‧Deduction

40‧‧‧Base

41‧‧‧ upper surface

42‧‧‧ lower surface

43‧‧‧ trench

431‧‧‧ inner wall

HL‧‧‧ horizontal length

BH‧‧‧ section length

CL‧‧‧turn length

The following figures are intended to make the present invention easier to understand, and the drawings are described in detail herein and form part of the specific embodiments. Through the specific embodiments herein and with reference to the corresponding drawings, the specific embodiments of the present invention are explained in detail, and the function principle of the creation is explained.

Figure 1A is an exploded view of the creative heat dissipation module;

Figure 1B is an exploded view of the creative heat dissipation module;

The 1C figure is a combination diagram of the creative heat dissipation module;

The first 1D is a schematic partial cross-sectional view of the creative heat dissipation module;

Figure 1E is an exploded schematic view of another implementation of the present creation;

Figure 2A is a schematic diagram of the creative heat pipe;

2B is a schematic cross-sectional view of the heat release section of the heat pipe;

Figure 3 is a schematic cross-sectional view of the creation base;

Figure 4A is a top plan view of the first part of the creation heat dissipation group;

Figure 4B is a top plan view of the second part of the creation heat dissipation group;

The 4C figure is a top view of the third part of the creation heat dissipation group.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

Please refer to FIG. 1A for the exploded view of the creative heat dissipation module; FIG. 1B is an exploded view of the creative heat dissipation module; FIG. 1C is a schematic diagram of the combination of the creative heat dissipation module; A schematic partial cross-sectional view of a heat dissipation module is created; FIG. 1E is an exploded schematic view of another implementation of the creation. As shown, the present invention includes at least one heat pipe 10, a heat dissipation group 20, a fixing member 30, and a base 40.

The heat pipe 10 is three in the figure and is in the shape of a "ㄩ". Each heat pipe 10 includes a heat absorption section 11 , a heat release section 13 and a turning section 12 connecting the heat absorption section 11 and the heat release section 13 . The heat pipe 10 in the figure is in the shape of a "ㄩ", so that there are two turning sections 12, but in another alternative embodiment the heat pipe 10 can also assume an "L" shape with only one turning section 12.

2A is a schematic view of the heat pipe of the present invention; 2B is a schematic cross-sectional view of the heat release section of the heat pipe, and the turning section 12 of the heat pipe 10 has an initial end 121 and an end 122, the initial end 121 being Between the endothermic section 11 and the turning section 12, the end 122 is between the turning section 12 and the heat releasing section 13. Further, the heat absorbing section 11 has a horizontal length HL, and the heat releasing section 13 has a section 131 defining a section length BH, and the turning section 12 has a turning length CL. The horizontal length HL of the endothermic section 11 defines a linear distance between the two initial ends 121 (e.g., the heat pipe 20 in the shape of a "ㄩ" in this figure). However, in another alternative embodiment, a linear distance between the initial end 121 and a free end of the endothermic section 11 (e.g., an "L" shaped heat pipe) is defined. The section length BH of the heat release section 13 is defined by a linear distance between a leftmost outer side and a rightmost outer side of the section 131. The turning length CL of the turning section 12 defines a linear distance between the initial end 121 and an end 122. In the present embodiment, the heat pipe 10 is preferably a flat heat pipe and has a substantially rectangular cross section.

Referring to Figures 1A-1E, together with reference to Figures 2 and 4A to 4C, the heat dissipation group 20 is sleeved with the heat pipe 10, including a first portion 21 corresponding to the heat release portion 13 and a second portion 22 Corresponding to the turning section 12 and a third part 23 corresponding to the heat absorbing section 11, wherein the first portion 21 defines a first through hole 211 having a first through hole length 2111 (as shown in FIG. 4A) and the heat releasing section of the heat pipe 10 a section length BH of 13 (as shown in FIG. 2), the second portion 22 and the third portion 23 respectively define a second through hole 221 and a third through hole 231 having a second through hole length 2211 (eg, 4B) And the third through hole length 2231 (as shown in FIG. 4C) extends along the turning length CL of the turning section 12 and the horizontal length HL of the heat absorbing section 11, that is, the second through hole length 2211 and the third through hole length Both 2231 are the turn length CL plus the horizontal length HL. Furthermore, the third portion 23 defines a receiving hole 232 which is alternately connected to the third through hole 231. The second through hole length 2211 and the third through hole length 2311 are larger than the first through hole length 2111. In this embodiment, the first portion 21 is a plurality of stacked first fins, and the second portion 22 is a plurality of stacked second fins, and the third portion 23 is a plurality of stacked third heat dissipation fins. . However, the present invention is not limited thereto, and in another alternative embodiment, the second portion 22 and/or the third portion 23 is a heat equalizing plate as in FIG. 1E.

The fixing member 30 is disposed in the receiving hole 232 of the third portion 23, and the fixing member 30 includes at least one abutting portion 31 and at least one fastening portion 32 for fastening the heat absorption portion 11 of the heat pipe 20. It is formed between the two abutting portions 31 and has a convex shape, and three fastening portions 32 are formed in the present embodiment in conjunction with the three heat pipes 20. The abutting portion 31 and the buckle portion 32 are formed in a continuous uneven shape. In a possible implementation, the fastener 30 is formed by stamping a metal sheet.

The base 40 is located below the third portion 23. The base 40 has an upper surface 41 and a lower surface 42. The upper surface 41 is coupled to the abutment portion 31 of the fixing member 30. In this embodiment, the abutment portion 31 of the fixing member 30 is locked to the upper surface 41 of the base 40 by using a locking member such as a screw, but other methods such as welding or glue bonding or ultrasonic bonding or snap fastening may also be used. carry out. The lower surface 42 is in contact with a heat generating component.
In addition, referring to FIG. 3, a schematic cross-sectional view of the pedestal is provided. The pedestal 40 is provided with a groove 43 extending through the upper surface 41 and the lower surface 42. The wall 431 is bent along a curved outer surface of the heat absorbing section 11 along the turning section 12 of the heat pipe 10. Thereby, the heat absorbing section 11 is placed in the groove 43. The curved section 12 is connected to a curved outer surface of the heat absorbing section 11 to completely rest on the inner wall 431 so that there is no gap between the two, and the heat pipe 10 The lower surface of the heat absorbing section 11 is at the same horizontal position as the lower surface 42 of the susceptor 40, and together constitutes a contact surface in contact with the heat generating component.

With the above arrangement, the heat dissipation group 20 corresponds to the turning length of the turning section 12 of the heat pipe 10 and the second through hole 221 and the third through hole 231 of the heat absorption section 11 along the turning length CL of the turning section 12 and the horizontal length of the heat absorption section. The HL extends to prevent the heat dissipation group 20 from interfering with the turning section 12 of the heat pipe 10, thereby effectively utilizing the turning section 12 of the heat pipe 10 for heat transfer. In addition, the heat insulating portion 11 and the base 40 of the heat pipe 20 are fixed in the heat dissipation group 20 through the fixing member 30 to strengthen the connection between the heat pipe 10 and the heat dissipation group 20 and the base 40.

However, the above descriptions are only preferred embodiments of the present invention, and variations of the methods, shapes, structures, and devices described above are intended to be included in the scope of the present invention.

10‧‧‧heat pipe

11‧‧‧Inhalation section

12‧‧‧ Turning section

13‧‧‧heating section

20‧‧‧heating group

21‧‧‧Part 1

211‧‧‧ first through hole

22‧‧‧Part II

221‧‧‧Second through hole

23‧‧‧Part III

231‧‧‧ third through hole

232‧‧‧ accommodating holes

30‧‧‧Fixed parts

31‧‧‧Relying Department

32‧‧‧Deduction

40‧‧‧Base

41‧‧‧ upper surface

42‧‧‧ lower surface

43‧‧‧ trench

Claims (6)

A heat dissipation module combination structure includes:
At least one heat pipe comprising a heat absorption section, at least one heat release section, and at least one turning section connecting the heat absorption section and the heat release section, the heat absorption section having a horizontal length, the heat release section having a cross section, and a leftmost outer side of the section Delimiting a section length between a rightmost outer side, the turning section having a turning length;
a heat dissipating set is configured to sleeve the heat pipe, comprising a first portion corresponding to the heat releasing portion and a second portion corresponding to the turning portion and a third portion corresponding to the heat absorption portion, wherein the first portion defines a first through hole having a first portion A second through hole and a third through hole are respectively defined in the second through hole and the third through hole along the length of the cross section of the heat pipe. The turning length of the turning section and the horizontal length of the heat absorbing section extend to have a second through hole length and a third through hole length, wherein the third portion is provided with a receiving hole staggered to communicate with the third through hole. The heat dissipation module assembly structure of claim 2, wherein the second through hole length and the third through hole length are greater than the first through hole length. The heat dissipation module assembly structure of claim 1, wherein the receiving hole is provided with a fixing member, and the fixing member comprises at least one abutting portion and at least one fastening portion for fastening the heat absorption portion of the heat pipe. The heat dissipation module assembly structure of claim 3, further comprising a base located below the third portion, the base having an upper surface coupled with the abutting portion of the fixing member, and a lower surface and a heating element Contact. The heat dissipation module assembly structure of claim 4, wherein the base is provided with a groove extending through the upper surface and the lower surface, and the heat absorption section of the heat pipe is disposed in the groove, and the two sides of the groove are respectively formed An inner wall is bent along a curved outer surface of the heat pipe to the curved outer surface of the heat pipe. The heat dissipation module assembly according to any one of claims 1 to 5, wherein the first portion is a plurality of stacked first fins, and the second portion is a plurality of stacked second fins or a soaking heat The third portion of the plate is a plurality of stacked third heat dissipation fins or a heat equalization plate.