TWI451061B - Thermal module and manufacturing method thereof - Google Patents

Description

Heat dissipation module and manufacturing method thereof MANUFACTURING METHOD THEREOF

A heat dissipating module and a manufacturing method thereof, in particular, a heat dissipating module and a manufacturing method thereof, which can achieve a labor saving and a manufacturing cost by applying plastic pressure to a structure to achieve rapid integration.

The current heat dissipating device and the heat dissipating module are composed of a plurality of heat dissipating components which are assembled with each other. The heat dissipating components are components such as a heat pipe, a heat sink, a heat sink base, etc., and the heat dissipating components are mainly combined with each other by welding, but If the heat dissipating component made of aluminum is to be welded, it is not only required to be welded by special welding work, but also the processing cost is relatively increased.

In addition, some manufacturers use a fixing component such as a screw to fix and fix the heat dissipating components, but the fixing component can only be screwed and fixed for some heat dissipating components (such as a heat sink fin set and a heat sink base), and the heat pipe cannot directly Fix by means of screw lock.

Furthermore, some manufacturers fix the heat sink fins and the pedestal by means of tight fitting, but the construction process is easy to cause the heat sink fins or the pedestal to rupture and thereby improve the defect rate. Therefore, the prior art has the following disadvantages: 1. Higher cost; 2. Time-consuming work; 3. High defect rate.

Accordingly, in order to solve the above disadvantages of the prior art, the main object of the present invention is to provide A heat dissipation module that can be quickly assembled to reduce production costs.

Another object of the present invention is to provide a method of manufacturing a heat dissipation module that can be quickly assembled and reduced in production cost.

The present invention provides a heat dissipation module comprising: a heat dissipation fin set and a base; the heat dissipation fin set has at least one folded edge on one side, and the folded edge has at least one joint; The base has at least one fastening portion, which is disposed corresponding to the joint portion, and the joint portion is fastened to the flange.

The present invention provides a method for manufacturing a heat dissipation module, comprising the steps of: providing a heat dissipation fin group composed of a plurality of heat dissipation fins and a base having at least one fastening portion on one side; One side of the heat dissipation fin group is provided with a flange and at least one joint portion; the joint portion of the heat dissipation fin group is correspondingly engaged with the joint portion of the base, and the joint portion is transmitted through a fixture Applying pressure causes the joint to press the flange of the heat sink fin set.

The heat dissipation module and the manufacturing method thereof of the invention can greatly reduce the assembly man-hour of the heat dissipation module and reduce the production cost.

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 the first, second, and third figures, which are perspective exploded and combined and combined cross-sectional views of the first embodiment of the heat dissipation module of the present invention. As shown, the heat dissipation module 1 includes: a heat dissipation fin Group 11, a pedestal 12; One side of the heat dissipation fin group 11 has at least one flange 111 , and the flange 111 has at least one joint portion 1111 .

The base 12 has at least one fastening portion 121 disposed corresponding to the joint portion 1111, and the fastening portion 121 is configured to fasten the flange 111.

The base 12 has a first side 122 and a second side 123. The connecting portion 121 is disposed on the first side 122, and the connecting portion 121 has at least one first extending end 1211. An extending end 1211 is configured by extending one end of the connecting portion 121 toward the opposite end of the base 12, the first extending end 1211 has a protrusion 1211a at the end, and the first extending end 1211 is convex. Point 1211a is pressed against the flange 111.

Referring to FIG. 4, it is a sectional view of a second embodiment of the heat dissipation module of the present invention. The partial structure of this embodiment is the same as that of the first embodiment, and therefore will not be further described herein, but the present embodiment and the foregoing The difference between the first embodiment is that the connecting portion 121 further has a second extending end 1212. The end of the second extending end 1212 also has a bump, and the first and second extending ends 1211 and 1212 respectively The fixing portion 121 is formed by extending one end of the free end in a direction opposite to the base 12, and when the first extending end 1211 and the second extending end 1212 are subjected to pressure to plastically deform, the first The extending end 1211 and the second extending end 1212 are respectively bent, and the folded edge 111 of the heat dissipation fin set 11 is pressed by the end bump 1211a.

Referring to FIG. 5, it is a sectional view of a third embodiment of the heat dissipation module of the present invention. The partial structure of the embodiment is the same as that of the first embodiment, and therefore will not be further described herein, but the embodiment and the foregoing The first embodiment has a first end 124 and a second end 125. The first extending end 1211 of the connecting portion 121 is respectively disposed at the first end and the second end 124. 125, when the first extended end 1211 is subjected to pressure to plastically deform, the first extended end 1211 is bent and The end bump 1211a clips the flange 111 of the heat dissipation fin set 11.

FIG. 6 is a perspective exploded view of a fourth embodiment of the heat dissipation module of the present invention. The structure of the embodiment is the same as that of the first embodiment, and therefore will not be described herein again. The difference between the foregoing first embodiment is that the heat dissipation module 1 further has at least one heat pipe 13 and a groove 126. The heat pipe 13 has a heat absorption end 131 and a heat dissipation end 132. The groove 126 is disposed at The second side 123 of the susceptor 12 is disposed in the trench 126 , and the heat dissipation end 132 extends through the heat dissipation fin set 11 .

FIG. 7 is a schematic diagram of a heat dissipation fin assembly according to a fifth embodiment of the heat dissipation module of the present invention. The partial structure of this embodiment is the same as that of the foregoing first embodiment, and therefore will not be described herein again, but the implementation is not described herein. The difference from the foregoing first embodiment is that the heat dissipation fin group 11 is formed by stacking a plurality of heat dissipation fins 11a, and the heat dissipation fins 11a have fastening portions 112 on both sides thereof, and The fastening portion 112 is fastened to the other heat dissipation fin 11a.

Please refer to FIG. 8 , which is a flow chart of the manufacturing method of the heat dissipation module of the present invention, and refer to the above-mentioned first to seventh embodiments. As shown in the figure, the manufacturing method of the heat dissipation module of the present invention includes the following steps. :

S1: providing a heat dissipation fin group formed by a plurality of heat dissipation fins and a base having at least one fastening portion on one side, and the fastening portion has at least one first extension end, the first extension end Having a bump; providing a heat sink fin group 11 composed of a plurality of heat sink fins 11a stacked on each other, and providing a base 12 having a joint portion 121 as shown in FIG. 1 on the one side, and the joint is fixed The portion 121 has at least one first extending end 1211, and the end of the first extending end 1211 has a bump 1211a.

S2: a flange and at least one joint portion are disposed on one side of the heat dissipation fin group; the heat dissipation fins 11a of the heat dissipation fin group 11 are provided with a flange 111 on at least one side thereof, and are disposed on the flange 111 At least one joint portion 1111, the joint portion 1111 and the joint portion 121 of the base 12 correspond to each other.

S3: fitting a joint portion of the heat dissipation fin group to a joint portion of the base, and applying pressure to the joint portion through a jig, so that the first extension end of the joint portion The bump of the end presses the flange of the heat sink fin set.

The heat dissipation fin set 11 is correspondingly disposed on the side of the base 12 having the joint portion 121, and the joint portion 1111 of the heat dissipation fin set 11 is correspondingly combined with the joint portion 121 of the base 12, and then Applying pressure to the joint portion 121 through a jig, the joint portion 121 is plastically deformed, and the bump 1211a at the end of the first extended end 1211 of the joint portion 121 can press the flange 111 to The heat sink fin set 11 is coupled to the base 12.

The jig of the present invention is illustrated by a punch, but is not limited thereto.

The joint portion is plastically deformed by applying pressure to the joint portion 121 by mechanical processing. The machining of the present embodiment is illustrated by a press working, but is not limited thereto.

The structure of the heat dissipation module of the present invention and the manufacturing method thereof can shorten the assembly man-hour of the heat dissipation module and complete the assembly without additional welding, thereby greatly reducing the manufacturing cost of the heat dissipation module.

1‧‧‧ Thermal Module

11‧‧‧Fixing fin set

11a‧‧‧Heat fins

111‧‧‧Folding

1111‧‧‧Combination Department

12‧‧‧ Pedestal

121‧‧‧Connected

1211‧‧‧First extension

1211a‧‧‧ bumps

1212‧‧‧second extension

122‧‧‧ first side

123‧‧‧ second side

124‧‧‧ first end

125‧‧‧ second end

126‧‧‧ trench

13‧‧‧heat pipe

131‧‧‧heat end

132‧‧‧heating end

1 is a perspective exploded view of a first embodiment of a heat dissipation module of the present invention; FIG. 2 is a perspective assembled view of a first embodiment of the heat dissipation module of the present invention; and FIG. 3 is a heat dissipation module of the present invention. a perspective cross-sectional view of a first embodiment; 4 is a sectional view of a second embodiment of the heat dissipation module of the present invention; FIG. 5 is a sectional view of a third embodiment of the heat dissipation module of the present invention; FIG. 7 is a schematic view showing a heat dissipation fin set of a fifth embodiment of the heat dissipation module of the present invention; and FIG. 8 is a flow chart of the manufacturing method of the heat dissipation module of the present invention.

1‧‧‧ Thermal Module

11‧‧‧Fixing fin set

111‧‧‧Folding

1111‧‧‧Combination Department

12‧‧‧ Pedestal

121‧‧‧Connected

122‧‧‧ first side

123‧‧‧ second side

Claims (9)

A heat dissipation module includes: a heat dissipation fin set having at least one folded edge on one side, the folded edge having at least one joint portion; and a base having at least one joint portion corresponding to the joint portion, And the fastening portion is pressed against the folding edge, the base has a first side and a second side, the fastening portion is laterally disposed on the first side, and the fastening portion has at least one An extended end has a bump at the end of the first extending end, and the bump of the first extending end is pressed against the folded edge. The heat dissipation module of claim 1, wherein the fastening portion further has a second extending end, wherein the first and second extending ends are respectively opposite ends of the connecting portion The direction of the base extends. The heat dissipation module of claim 1, wherein the base has a first end and a second end, and the first extending end of the connecting portion is respectively disposed at the first end and the second end . The heat dissipation module of claim 1, further comprising at least one heat pipe and a groove, the heat pipe having a heat absorption end and a heat dissipation end, wherein the groove is disposed on the second side of the base The heat dissipation end is received in the trench, and the heat dissipation end is received in the trench, and the heat dissipation end is penetrated through the heat dissipation fin group. The heat dissipation module of claim 1, wherein the heat dissipation fins are formed by stacking a plurality of heat dissipation fins, and each of the heat dissipation fins has a fastening portion on each side. A method for manufacturing a heat dissipation module includes the following steps: Providing a heat dissipation fin group formed by a plurality of heat dissipation fins and a base having at least one fastening portion on one side, and the fastening portion has at least one first extension end, and the first extension end has a a bump is disposed on a side of the heat dissipation fin set and at least one joint portion is disposed; the joint portion of the heat dissipation fin set is correspondingly engaged with the joint portion of the base, and is passed through a fixture The first extended end of the joint portion is subjected to a pressure, so that the bump of the first extended end of the joint portion presses the flange of the heat dissipation fin group. The method for manufacturing a heat dissipation module according to claim 6, wherein the joint portion is plastically deformed by applying pressure to the joint portion by machining. The manufacturing method of the heat dissipation module according to claim 7, wherein the machining is press working. The method for manufacturing a heat dissipation module according to claim 6, wherein the fixture is a punch.