TWM540263U - Heat dissipation unit and its heat dissipation module - Google Patents

Description

Cooling unit and its heat dissipation module

The present invention relates to a heat dissipating unit and a heat dissipating module thereof, and more particularly to a heat dissipating unit and a heat dissipating module thereof, which can greatly enhance the structural strength of the fins and reduce the production cost.

According to the advancement of the technology era, the operational efficiency of electronic components is getting higher and higher, so that the functional requirements for the heat sinks are also increasing. The conventional heat sinks have adopted stacked heat sink fins in order to increase heat dissipation. The film set, and constantly developed and improved on the heat sink fins, so the high-efficiency heat sink has become one of the most important research and development priorities of the industry today. Taking a computer mainframe as an example, the internal central processing unit (CPU) generates a large amount of heat. In addition, when the central processing unit gradually increases in heat, the performance is reduced, and when the heat accumulation is higher than its allowable limit, Will force the computer to crash, in severe cases is more likely to cause damage; and, in order to solve the problem of electromagnetic radiation, usually the chassis is used to close the computer, so that the central processing unit and other heating components (or The rapid export of the thermal energy of the component has become an important issue. 1 is a perspective view of a conventional heat dissipating unit. In the conventional heat sink fin design, the heat dissipating fin group 1 is mainly composed of a plurality of heat dissipating fins 11 which are made of thin metal. The plate is stamped, and a flange 111 is bent at a near end of the top edge, and a buckle end 1112 and a buckle portion 1111 are disposed on the flange 111, and the heat dissipation fin 11 and another heat dissipation fin When the stacking assembly 11 is used, the folded edge 111 provided on the front end of the heat dissipating fin 11 contacts the plane 112 of the heat dissipating fin 11 at the rear end and abuts against the plane 112, so that the front end heat sink fin 11 is located. The fastening end 1112 is hooked to the fastening portion 1111 of the rear end heat dissipation fin 11 to combine the heat dissipation fin 11 with the other heat dissipation fin 11 , but since the plurality of heat dissipation fins 11 are stacked and fastened to each other, there is no actual supporting force, and Since the heat dissipating fins 11 are formed by stamping and cutting a thin metal plate, the heat dissipating fins 11 may be inferior in strength due to being too thin, and the structural strength of the heat dissipating fins 11 may be affected by the uneven force of the pressing force. Destruction produces bends, distortions, or other deformations. As mentioned above, it has the following disadvantages: 1. It cannot withstand large extrusion; 2. It causes deformation problems. Therefore, how to solve the above problems and problems in the past, that is, the inventors of this case and the relevant manufacturers engaged in this industry are eager to study the direction of improvement.

Therefore, in order to effectively solve the above problems, the main purpose of the present invention is to provide a heat dissipating unit which can greatly enhance the structural strength of the fins. The secondary purpose of this creation is to provide a heat dissipation unit that reduces production costs. The second objective of this creation is to provide a heat dissipation unit that can improve the deformation problem. The secondary purpose of this creation is to provide a heat dissipation module that can greatly enhance the structural strength of the heat sink fins. The second objective of this creation is to provide a thermal module that reduces production costs. The second objective of this creation is to provide a heat dissipation module that can improve the deformation problem. In order to achieve the above object, the present invention provides a heat dissipating unit, which includes a base and a first heat sink fin set, the base has a first side and a second side, and the first heat sink fin set is And forming a first end edge and a second end edge respectively on the first side of the first heat dissipating fins, and correspondingly disposed on the first side, and each of the first heat dissipating fins is The first heat dissipation fins are provided with at least one first support portion and a first opening is formed at the first support portion, and the first support portion corresponds to the first heat dissipation. Fins. To achieve the above objective, the present invention provides a heat dissipation module including a heat dissipation unit and a heat pipe. The heat dissipation module includes a base and a first heat dissipation fin set and a second heat dissipation fin set. The pedestal has a first side and a second side, and the first heat-dissipating fins are composed of a plurality of first heat-dissipating fins, and the first heat-dissipating fins respectively form a first end edge and a first end The two end edges are correspondingly disposed on the first side, and each of the first heat dissipation fins is arranged in a gradually increasing and diverging manner, and the first heat dissipation fins are provided with at least one first support portion and corresponding to the first support portion. Forming a first opening, the first supporting portion correspondingly abutting to the other first heat dissipating fin, the second heat dissipating fin group being composed of a plurality of second heat dissipating fins, the second heat dissipating fins Forming a third end edge and a fourth end edge respectively on the two ends, and correspondingly disposed on the second side, and each of the second heat dissipation fins is arranged in a diverging arrangement, and the second heat dissipation fins are at least one a second support portion and a second opening formed at the second support portion, the second branch Corresponds to the other portions abuts against the second heat dissipating fins, the heat pipe having a first end and a second end and a heat conductive portion, the first and second ends of the corresponding line penetrates the heat dissipating unit. Through the design of the structure of the present invention, the first support portion of the first heat dissipation fin is abutted to the other first heat dissipation fin, thereby greatly enhancing the structural strength of the heat dissipation fin, and due to the first support The structure formed by the first heat dissipating fins has the effect of reducing the production cost in addition to increasing the structural strength.

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. FIG. 2A and FIG. 2B are perspective views, a perspective view, and an enlarged view of the first embodiment of the present invention. As shown in the figure, a heat dissipating unit 2 includes a base 21 and a first heat dissipation. The first group 211 has a first side 211 and a second side 212. In this embodiment, the first side 211 of the base 21 further defines at least one first recess 2111. As shown in FIG. 3, the first side 211 of the pedestal 21 is in a planar state; the first heat dissipation fin group 22 is composed of a plurality of first heat dissipation fins 221, and the first heat dissipation fins A first end edge 222 and a second end edge 223 are respectively formed on the two ends of the sheet 221, and the first and second end edges 222 and 223 are correspondingly embedded in the first recess 2111 of the first side 211. In an embodiment, as shown in FIG. 3 is a second embodiment of the present invention, the first and second end edges 222 and 223 further extend a first joint portion 226 and a second joint portion 227, respectively. The first and second joint portions 226 and 227 are fixed to the first side 211 by welding or adhesively; Each of the first heat dissipation fins 221 is arranged in a gradually increasing manner and is arranged from the inside to the outside. Each of the first heat dissipation fins 221 further has a first surface 221a and a second surface 221b. The first fin 221 defines at least one first support portion 224 in the direction of the first surface 221a, and the first heat sink fin 221 forms a first portion corresponding to the first support portion 224. The first supporting portion 224 is correspondingly abutted against the second surface 221b of the other first heat dissipating fin 221; in the embodiment, the first heat dissipating fin 221 has a rectangular shape. In practice, the shape of the first heat dissipation fin 221 may be changed according to the needs of the user, in other words, the shape may also be semicircular or triangular or polygonal or other geometric shapes (not shown), which does not affect the creation. The first support portion 224 can be adjusted according to the needs of the user, and the first support portion 224 can be arranged regularly or irregularly. On the first surface 221a, in other words, The structural aspect and manner of the first supporting portion 224 corresponding to the second surface 221b of the other first heat dissipating fin 221 are within the protection scope of the present invention; The first plurality of heat dissipation fins can be stacked and squeezed by the first support portion 224 of the first heat dissipation fin 221 to the second surface 221b of the other first heat dissipation fin 221 . The problem that the strength is insufficient and the heat dissipation fins are deformed due to being too thin, the structural design of the first support portion 224 can greatly enhance the structural strength of the heat dissipation fins, and since the first support portion 224 is The structure formed by the first heat dissipation fins 221, in addition to increasing the structural strength, also has the effect of reducing the production cost. Please refer to FIG. 4 , which is a perspective view of a third embodiment of the heat dissipation unit. The corresponding relationship between the components and the components of the heat dissipation unit is the same as that of the heat dissipation unit, and therefore will not be described herein. The difference between the heat dissipation unit and the foregoing is that a second heat dissipation fin group 23 is composed of a plurality of second heat dissipation fins 231, and a second end edge 232 is formed at each end of the second heat dissipation fins 231. And a fourth end edge 233, each of the second heat dissipation fins 231 is arranged in a gradually increasing manner, and is arranged on the first side 211 from the inside to the outside. Each of the second heat dissipation fins 231 further has a second heat dissipation fin 231. a third surface 231a and a fourth surface 231b, and at least a second support portion 234 is formed on the second heat dissipation fin 231 from the fourth surface 231b toward the third surface 231a. A second opening 235 is formed in the second supporting portion 234, and the second supporting portion 234 is correspondingly abutted against the fourth surface 231b of the second cooling fin 231. The arrangement of the first and second heat dissipation fin groups 22 and 23 The first side 211 is disposed adjacent to each other. In one embodiment, one side of the heat dissipation unit 2 can be connected to at least one fan (not shown), so when the fan forcibly introduces a heat dissipation airflow, The first and second support portions 224 and 234 of the first and second heat dissipation fin groups 22 and 23 not only do not affect the fluency of the airflow, but also greatly enhance the structural strength of the heat dissipation fins, and achieve the foregoing efficacy. Please refer to FIG. 5 and FIG. 4 together, which is an exploded cross-sectional view of a fourth embodiment of the heat dissipating unit. The corresponding relationship between the components and components of the heat dissipating unit is the same as that of the heat dissipating unit. Therefore, the second major portion 212 of the pedestal 21 further has at least one second recess 2121, and the second heat dissipating fin 231 is third. The four end edges 232 and 233 are respectively disposed in the second recess 2121. In other words, the first and second heat dissipating fin sets 22 and 23 are respectively disposed on the first and second sides 211 of the base 21, 212. In an embodiment, referring to FIG. 6 and referring to FIG. 5, the third and fourth end edges 232 and 233 further extend a third joint portion 236 and a fourth joint portion 237, respectively. The third and fourth joints 236 and 237 are attached to the second side 212. In other words, the third and fourth joint portions 236 and 237 are fixed by welding or adhesively. On the second side 212, the aforementioned effects can also be achieved. Please refer to FIGS. 7A and 7B and refer to FIGS. 2A and 4 respectively. FIG. 2A is a perspective exploded view and a perspective view of the first embodiment of the heat dissipation module. As shown in the figure, a heat dissipation module 6 includes a The heat dissipating unit 2 and the heat pipe unit 2, the heat dissipating unit 2 includes a base 21 and a first heat sink fin set 22 and a second heat sink fin set 23, the base 21 has a first side 211 and a second In the embodiment, the first and second side systems 211 and 212 respectively define at least one first recess 2111 and at least one second recess 2121. The base can also be as shown in FIG. The first and second sides 211 and 212 of the 21 are in a planar state; the first heat dissipation fin group 22 is composed of a plurality of first heat dissipation fins 221, and the first heat dissipation fins 221 are respectively formed at two ends. a first end edge 222 and a second end edge 223, and the first and second end edges 222 and 223 are correspondingly disposed in the first recess 2111 of the first side 211, and each of the first heat dissipation fins The first heat dissipation fins 221 further have a first surface 221 . The first heat dissipation fins 221 further have a first surface 221 . And a second surface 221b, and at least one first support portion 224 is formed on the first heat dissipation fin 221 by the second surface 221b toward the first surface 221a. A first opening 225 is formed in the second supporting portion 224, and the first supporting portion 224 is correspondingly abutted against the second surface 221b of the other first heat dissipating fin 221; the second heat dissipating fin The second heat dissipation fins 231 are formed by a plurality of second heat dissipation fins 231. The second heat dissipation fins 231 are respectively formed with a third end edge 232 and a fourth end edge 233, and each of the second heat dissipation fins 231 is formed. Each of the second heat dissipation fins 231 further has a third surface 231a and a fourth surface 231b, and is disposed in the second recess 2121 of the second side 212. The second heat dissipating fins 231 are formed by the fourth surface 231b toward the third surface 231a, and at least one second supporting portion 234 is formed, and the second heat dissipating fins 231 form a second corresponding to the second supporting portion 234. The second support portion 234 is correspondingly abutted to the fourth of the other second heat dissipation fins 231. The surface 231b; in an embodiment, the heat pipe 3 and the heat source 5 of the 7A, 7B are assembled with the heat dissipating unit 2 disclosed in FIG. 6, the first and second end edges 222, 223 are respectively extended by a first The third and fourth end edges 232, 233 further extend a third joint portion 236 and a fourth joint portion 237, the first and second joint portions 226, 227, respectively. And the third and fourth joint portions 236 and 237 are respectively fixed to the first and second sides 211 and 212 by welding or adhesive manner; the heat pipe 3 has a first end 31 and a second The end 32 and a heat conducting portion 33, the first and second ends 31, 32 are correspondingly disposed through the heat dissipating unit 2, and the shape of the heat pipe 3 may be U-shaped or U-shaped, corresponding to the heat conducting portion A heat source 5 is disposed at 33, and the heat of the heat source 5 is transmitted to the first and second ends 31, 32 through the heat conducting portion 33, and then transferred to the heat dissipation module 6 for heat dissipation; The design of the structure is abutted by the first support portion 224 formed on the first heat dissipation fin 221 The second surface 221b of the other first heat dissipation fin 221 and the second surface 231b of the second heat dissipation fin 231 are abutted to the fourth surface 231b of the second heat dissipation fin 231. The problem that the conventional heat dissipation fins are too thin to cause insufficient deformation and deform the heat dissipation fins during the stack extrusion is improved, and the heat dissipation fins can be greatly enhanced by the structural design of the first and second support portions 224 and 234. The structural strength of the sheet, and because the first and second supporting portions 224 and 234 are formed by the first and second heat dissipating fins 221 and 231, in addition to increasing the structural strength, the production cost is also reduced. effect. As described above, the present invention has the following advantages over the conventional ones: 1. The structural strength of the fins is greatly enhanced; 2. The production cost is greatly reduced; 3. The deformation problem is improved. The present invention has been described in detail above, but the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited. That is, all changes and modifications made in accordance with the scope of this creation application shall remain covered by the patents of this creation.

2‧‧‧heating unit
21‧‧‧Base
211‧‧‧ first side
2111‧‧‧first groove
212‧‧‧ second side
2121‧‧‧second groove
22‧‧‧First heat sink fin set
221‧‧‧First heat sink fin
221a‧‧‧ first surface
221b‧‧‧ second surface
222‧‧‧ first end edge
223‧‧‧second edge
224‧‧‧First support
225‧‧‧First opening
226‧‧‧First joint
227‧‧‧Second joint
23‧‧‧Second heat sink fin set
231‧‧‧Second heat sink fins
231a‧‧‧ third surface
231b‧‧‧ fourth surface
232‧‧‧3rd edge
233‧‧‧4th edge
234‧‧‧second support
235‧‧‧Second opening
236‧‧‧3rd joint
237‧‧‧four joints
3‧‧‧heat pipe
31‧‧‧ first end
32‧‧‧second end
33‧‧‧Transfer Department
5‧‧‧heat source
6‧‧‧ Thermal Module

1 is a perspective view of a conventional heat dissipating unit; FIG. 2A is a perspective view of a first embodiment of the heat dissipating unit; FIG. 2B is a perspective view of the first embodiment of the heat dissipating unit; The figure is a perspective view of a second embodiment of the heat dissipation unit of the present invention; the fourth figure is a perspective view of the third embodiment of the heat dissipation unit of the present invention; and FIG. 5 is an exploded sectional view of the fourth embodiment of the heat dissipation unit of the present invention. Figure 6 is a perspective exploded view of the fifth embodiment of the heat dissipation unit of the present invention; Figure 7A is an exploded perspective view of the first embodiment of the heat dissipation module; A perspective view of a first embodiment.

21‧‧‧Base

211‧‧‧ first side

2111‧‧‧first groove

212‧‧‧ second side

22‧‧‧First heat sink fin set

221‧‧‧First heat sink fin

221a‧‧‧ first surface

221b‧‧‧ second surface

222‧‧‧ first end edge

223‧‧‧second edge

224‧‧‧First support

225‧‧‧First opening

Claims (11)

A heat dissipating unit includes: a pedestal having a first side and a second side; and a first heat dissipating fin set, which is composed of a plurality of first heat dissipating fins, and the first heat dissipating fins The first end edge and the second end edge are respectively disposed on the first side, and each of the first heat dissipation fins is arranged in a progressively higher and deeper manner, and the first heat dissipation fins are opened at least one. The first support portion forms a first opening at the first support portion, and the first support portion corresponds to the first first heat dissipation fin. The heat dissipating unit of claim 1, wherein the first side further defines at least one first groove, and the first and second end edges are embedded in the first groove. The heat dissipating unit of claim 1, wherein the first and second end edges respectively extend a first joint portion and a second joint portion, and the first and second joint portions are attached to the first joint portion. On the side. The heat dissipating unit of claim 3, wherein the first and second joint portions are fixed to the first side by welding or adhesively. The heat dissipation unit of claim 1, wherein the first heat dissipation fin further has a first surface and a second surface, and the first support portion is formed by the second surface toward the first surface. . The heat dissipation unit of claim 1, wherein the first heat dissipation fins are rectangular or semi-circular or triangular or polygonal or other geometric shapes. The heat dissipating unit of claim 1 further comprises a second heat dissipating fin set consisting of a plurality of second heat dissipating fins, wherein the second heat dissipating fins respectively form a third end edge and a fourth end An end edge, each of the second heat dissipating fins is arranged on the pedestal in a gradually increasing and diverging manner, and the second heat dissipating fins are provided with at least one second supporting portion and a second supporting portion is formed at a second The second support portion corresponds to the top to the other second heat dissipation fin. The heat dissipation unit of claim 1, further comprising at least one fan disposed on one side of the heat dissipation unit. A heat dissipation module includes: a heat dissipation unit, comprising: a base having a first side and a second side; and a first heat dissipation fin set, which is composed of a plurality of first heat dissipation fins, and the like A first end edge and a second end edge are respectively formed on the first end of the first heat dissipating fin, and are disposed on the first side, and each of the first heat dissipating fins is arranged in a diverging arrangement. Forming at least one first support portion and forming a first opening at the first support portion, the first support portion correspondingly abutting to the other first heat dissipation fin; and a second heat dissipation fin group a plurality of second heat dissipating fins are formed on the two sides, and a second end edge and a fourth end edge are respectively formed on the second side, and each of the second heat dissipating fins is disposed on the second side The second heat dissipation fins are provided with at least one second support portion and a second opening is formed at the second support portion, and the second support portion is correspondingly abutted to the other second heat dissipation fin. And a heat pipe having a first end and a second end and a heat conducting portion, the first and second ends Corresponding to the heat dissipating unit penetrates. The heat dissipation module of claim 9, wherein the first and second sides further have at least one first groove and at least one second groove, wherein the first and second edges are embedded in the first In a recess, the third and fourth end edges are embedded in the second recess. The heat dissipation module of claim 9, wherein the first and second end edges respectively extend a first joint portion and a second joint portion, and the third and fourth end edges respectively extend a third joint And a fourth joint portion, the first and second joint portions are attached to the first side, and the third and fourth joint portions are attached to the second side.