TWI610408B - Cooling unit and its heat dissipation module - Google Patents

Abstract

The heat dissipating unit and the heat dissipating module thereof comprise a base and a first heat dissipating fin set, the base has a first side and a second side, and the first heat dissipating fin set is composed of a plurality of first heat dissipating a first end edge and a second end edge are respectively formed on the first side of the first heat dissipating fins, and are respectively disposed on the first side, and each of the first heat dissipating fins is gradually enlarged Arranging the first heat dissipation fins to form 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, 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 reducing the production cost. By.

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.

Accordingly, in order to effectively solve the above problems, the main object of the present invention is to provide a heat dissipating unit that can greatly enhance the structural strength of the heat dissipating fins. A secondary object of the present invention is to provide a heat dissipation unit that can reduce production costs. A secondary object of the present invention is to provide a heat dissipating unit that can improve the deformation problem. A secondary object of the present invention is to provide a heat dissipation module that can greatly enhance the structural strength of the heat dissipation fins. A secondary object of the present invention is to provide a heat dissipation module that can reduce production costs. A secondary object of the present invention 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, comprising a base and a first heat sink fin set, the base having a first side and a second side, 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. In order to achieve the above object, 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 The second support portion forms a second opening at the second support portion, and the second support portion corresponds to To the other 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. With 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, and the structural strength of the heat dissipation fin can be greatly enhanced, and the first support is 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. 2A and 2B are perspective views, a perspective view, and an enlarged view of a first embodiment of the heat dissipating unit of the present invention. As shown, a heat dissipating unit 2 includes a base 21 and a first heat sink. 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, which 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 joints 226 and 227 are fixed to the first side 211 by welding or adhesively; each of the first heat sink fins 221 is Each of the first heat dissipation fins 221 further has a first surface 221a and a second surface 221b, and the second surface is formed on the first heat dissipation fins 221 by the first surface 221a and the second surface 221b. A first opening 225 is formed in the direction of the first surface 221a, and a first opening 225 is formed in the first supporting portion 224. The first supporting portion 224 is formed on the first supporting portion 224. Corresponding to the second surface 221b of the first heat dissipation fin 221; in the embodiment, the first heat dissipation fin 221 has a rectangular shape, which can be changed according to the needs of the user. The shape of the first heat dissipation fin 221, in other words, the shape may also be semicircular or triangular or polygonal or other geometric shapes (not shown), which does not affect the efficacy of the present invention. In addition, the first support The number and position of the portion 224 can also 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 first support portion 224 can correspond to the top The structure and manner of the second surface 221b of the other first heat dissipation fin 221 are all within the protection scope of the present invention. The design of the structure of the present invention is opened by the first heat dissipation fin 221 The first supporting portion 224 is abutted against the second surface 221b of the other first heat dissipating fin 221, which can improve the insufficient strength of the conventional heat dissipating fins when the stacking is performed, and the heat dissipating fins are deformed. The structure of the first supporting portion 224 can greatly enhance the structural strength of the heat dissipating fins, and the first supporting portion 224 is formed by the first heat dissipating fins 221. In addition to increasing structural strength, it also has the effect of reducing production costs. Please refer to FIG. 4 , which is a perspective view of a third embodiment of the heat dissipating unit of the present invention. The corresponding relationship between the components and the components of the heat dissipating unit is the same as that of the heat dissipating unit, and therefore will not be further 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 first and second heat dissipation fin groups 22 and 23 are arranged adjacent to each other. The first side 211 is disposed on the first side 211. 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 The first and second support portions 224 and 234 on the two 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 various effects. Referring to FIG. 5 and FIG. 4 together, FIG. 4 is an exploded cross-sectional view showing a fourth embodiment of the heat dissipating unit of the present invention. 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. 2 is a perspective exploded view and a perspective view of a first embodiment of the heat dissipation module of the present invention. 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 221a and a second surface 221b, and the first heat dissipation fins 221 have a first surface 221a and a second surface 221b. A first supporting portion 224 is defined in the direction of the first surface 221a of the first heat dissipating fin 221, and a first supporting portion 224 is formed on the first heat dissipating fin 221. An opening 225, the first supporting portion 224 correspondingly abuts against the second surface 221b of the other first heat dissipating fin 221; the second heat dissipating fin group 23 is composed of a plurality of second heat dissipating fins 231 Each of the second heat dissipation fins 231 defines a third end edge 232 and a fourth end edge 233. Each of the second heat dissipation fins 231 is in a diverging manner and is arranged from the inside to the outside. Each of the second heat dissipation fins 231 has a third surface 231a and a fourth surface 231b, and is disposed on the second heat dissipation fin 231 by the fourth surface 231b. A second opening 235 is formed in the direction of the third surface 231a, and a second opening 235 is formed in the second supporting portion 234. The second supporting portion 234 is corresponding to the second supporting portion 234. Abutting to the fourth surface 231b of the other second heat dissipation fin 231; in an embodiment, the 7A, 7B The heat pipe 3 and the heat source 5 are assembled with the heat dissipating unit 2 disclosed in FIG. 6. The first and second end edges 222 and 223 further extend a first joint portion 226 and a second joint portion 227, respectively. The third and fourth end portions 232 and 233 further extend a third joint portion 236 and a fourth joint portion 237, and the first and second joint portions 226 and 227 and the third and fourth joint portions 236 and 237 are transmitted through The heat pipe 3 has a first end 31 and a second end 32 and a heat conducting portion 33, and the first and second sides are respectively fixed on the first and second sides 211 and 212. The end portions 31 and 32 are correspondingly disposed with the heat dissipating unit 2, and the shape of the heat pipe 3 can be either U-shaped or U-shaped. A heat source 5 is attached to the heat conducting portion 33, and the heat conducting portion can be transmitted through the heat conducting portion. The heat of the heat source 5 is transmitted to the first and second ends 31 and 32, and then transmitted to the heat dissipation module 6 for heat dissipation; through the design of the structure of the present invention, the first heat dissipation fin The first support portion 224 opened on the second surface 221 abuts against the second surface 221 b of the other first heat dissipation fin 221 , and the second heat dissipation fin 231 The second supporting portion 234 is slid to the fourth surface 231b of the second heat dissipating fin 231, so that the conventional heat dissipating fins are too thin to cause insufficient heat and cause the heat dissipating fins when performing stack pressing. The problem of the deformation of the sheet, the structural design of the first and second supporting portions 224, 234 can greatly enhance the structural strength of the fins, and since the first and second supporting portions 224, 234 are the first The structure formed by the two heat dissipating fins 221 and 231 not only increases the structural strength, but also has the effect of reducing the production cost. As described above, the present invention has the following advantages over the conventional ones: 1. The structural strength of the heat dissipation 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 foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the present application should remain within the scope of the patent of the present invention.

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 of the present invention; FIG. 2B is a perspective assembled view of the first embodiment of the heat dissipating unit of the present invention; Figure 4 is a perspective view of a second embodiment of the heat dissipating unit of the present invention; Fig. 4 is a perspective view of a third embodiment of the heat dissipating unit of the present invention; and Fig. 5 is an exploded cross-sectional view of the fourth embodiment of the heat dissipating unit of the present invention Figure 6 is a perspective exploded view of a fifth embodiment of the heat dissipating unit of the present invention; Figure 7A is an exploded perspective view of the first embodiment of the heat dissipating module of the present invention; 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. 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 divergent manner, and the second heat dissipating fins are provided with at least one second supporting portion and corresponding to the second branch A second opening is formed in the support portion, and the second support portion is correspondingly offset 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 being paired Penetrates the heat dissipating unit. 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 one The third joint portion and the fourth joint portion are attached to the first side, and the third and fourth joint portions are attached to the second side.