TWI455679B - Heat-dissipating assembly and method for manufacturing the same - Google Patents

Description

Heat dissipation structure and manufacturing method thereof

The present invention relates to a heat dissipating structure and a manufacturing method thereof, and more particularly to a heat dissipating structure and a manufacturing method thereof which have a large increase in assembly efficiency and a reduction in man-hours, thereby further reducing production cost.

The current heat dissipating device and the heat dissipating module are composed of a plurality of identical and different heat dissipating components, and the heat dissipating components may be components such as a heat pipe, a heat sink, a heat sink base, and the like, and the heat dissipating components are combined with each other. It is fixed by welding, but for the heat-dissipating component made of aluminum, if welding is to be carried out, it is not only necessary to apply a few welding steps before it can be welded by special welding work, resulting in its welding. The overall processing steps are too complicated, the processing cost is relatively increased, and welding can cause environmental pollution.

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.

Moreover, the prior art is that a hole or a groove is formed in the heat dissipation base, and the heat pipe is disposed in the hole or the groove of the heat dissipation base, so that the heat pipe and the heat dissipation base are combined. Although the method solves the problems of the above-mentioned welding and screw locking method, the heat pipe indirectly conducts heat through the heat dissipation base, and the heat resistance phenomenon is likely to occur due to the gap therebetween, so that the heat conduction efficiency is poor.

The fixing method of the conventional heat dissipating component is not applicable to the combination of various heat dissipating components, so the prior art has the following disadvantages: 1. increasing the cost; 2. consuming man-hours; 3. heavy weight; 4. high defect rate.

Accordingly, in order to effectively solve the above problems, the main object of the present invention is to provide a heat dissipation structure having a large increase in assembly efficiency and a reduction in man-hours.

A secondary object of the present invention is to provide a heat dissipation structure having a reduced production cost.

A secondary object of the present invention is to provide a heat dissipation structure manufacturing method having a large increase in assembly efficiency and a reduction in man-hours.

A secondary object of the present invention is to provide a heat dissipation structure manufacturing method having a reduced production cost.

In order to achieve the above object, the present invention provides a heat dissipating structure, comprising: a base, at least one heat pipe, and a coupling unit, wherein the base is provided with a receiving groove and at least one through hole, wherein the receiving groove is disposed in the a side of the base, and having at least one receiving hole therein, the receiving hole is disposed from the receiving groove to the other side of the base, and the through hole is formed on one side of the base And the one of the heat pipes is connected to the receiving hole, and the connecting unit is provided with an opposite receiving groove, and has at least one groove, the groove is concave Forming on a side of the coupling unit opposite to the receiving groove for receiving a corresponding heat pipe, wherein the injection molding is performed Injecting the melted plastic into the bonding unit, and cooling and hardening the molten plastic, so that the heat pipe is firmly integrated with the base and the coupling unit; and the heat pipe is accommodated through the receiving groove of the base of the invention. And the design of the combination with the opposite combination unit, so as to effectively achieve a substantial increase in assembly efficiency and reduce man-hours, thereby reducing production costs.

The invention further provides a method for manufacturing a heat dissipation structure, which firstly provides a base having a receiving groove, at least one heat pipe and a joint unit, and the heat pipe is placed in the receiving groove, and the joint unit covers the opposite Storing the groove and the heat pipe, placing the combined base and the heat pipe and the coupling unit into a mold having a cavity, and then injecting the melted plastic into the side of the bonding unit through mechanical processing to have at least a consistent hole After the molten plastic is cooled and hardened, the heat pipe is firmly combined with the base and the bonding unit; and the method of the invention is designed to effectively improve the overall assembly efficiency and shorten the working time, thereby further reducing the cost. effect.

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.

The present invention is a heat dissipation structure and a manufacturing method thereof. Please refer to Figures 1, 2 and 3 for a perspective view of a first preferred embodiment of the present invention. The heat dissipation structure 1 includes a base 10 and at least one heat pipe. The accommodating unit 10 is provided with a receiving groove 101 and at least one through hole 103. The accommodating groove 101 is recessed on one side of the base 10 and has at least one receiving hole 1011 therein. The receiving hole 1011 is disposed from the accommodating groove 101 to the other side of the susceptor 10, that is, the receiving hole of the accommodating groove 101. The 1011 is connected to the other side of the base 10 from the side of the base 10, and the receiving hole 1011 of the preferred embodiment is illustrated by three receiving holes 1011, but is not limited thereto; At the same time, the number of the receiving holes 1011 matches the number of the heat pipes 12, which is first and foremost. The material of the pedestal 10 and the bonding unit 14 is a non-metal material, and the non-metal material may be, for example, a plastic.

In the preferred embodiment, the three through holes 103 are disposed on opposite sides of the base 10, and each of the receiving holes 1011 is matched with three corresponding through holes 103, that is, as shown in FIG. One of the through holes 103 is formed on one side of the base 10, and the other through hole 103 is formed on the other side of the base 10, and is connected to the corresponding through hole 103 and the receiving groove 101. through.

Further, the accommodating groove 101 is further provided with at least one first convex portion 1013 and at least one second convex portion 1014. The first convex portion 1013 is disposed on the opposite inner side of the accommodating groove 101, that is, the The first convex portion 1013 is formed from the opposite inner side of the accommodating groove 101 toward the center of the accommodating groove 101, and the first convex portions 1013 define a first accommodating space 1015 with each other; and the second The convex portion 1014 is formed to protrude from the receiving holes 1011, and the second convex portions 1014 define a second receiving space 1016 therebetween. The first and second receiving spaces 1015 and 1016 are connected to each other. The accommodating groove 101 and the receiving hole 1011.

Please refer to FIG. 2 and FIG. 3 together with reference to FIGS. 1A and 1B. One end of the heat pipe 12 is provided with a corresponding through hole 103 into the receiving hole 1011, and is further protruded from the opposite other through hole 103. The number of the heat pipes 12 in the preferred embodiment is matched with the number of the receiving holes 1011 by three heat pipes. 12 to explain. And the heat pipe 12 has a flat surface 121 and a non-planar surface 122 opposite to the flat surface 121. The flat surface 121 is flattened (or cut) to the other side of the base 10, and is opposite to a heating element (such as central processing). , a drawing chip, a north-south bridge chip or other execution processing unit; not shown in the figure) is attached to directly absorb the heat generated by the heating element for rapid conduction to a heat dissipating unit of the other end of the heat pipe 12 (For example, a heat sink or a heat sink fin group formed by a plurality of heat radiating fins; not shown) radiates heat outward, and the non-planar 122 is accommodated in the opposite groove 141.

The binding unit 14 is provided with a corresponding receiving groove 101, and has at least one groove 141, at least one convex portion 142 and at least one concave portion 143. The groove 141 is recessed and formed therein. The side of the coupling unit 14 is opposite to the accommodating groove 101 for accommodating the corresponding heat pipe 12. The groove 141 of the preferred embodiment is illustrated by three grooves 141, that is, the groove 141. The quantity matches the number of heat pipes 12.

Furthermore, the convex fitting portion 142 is disposed on the opposite outer side of the coupling unit 14 and is embedded with the corresponding first receiving space 1015, and the concave fitting portion 143 is concavely formed on the grooves 141 of each other. The position between the two protrusions 142 is embedded (or accommodated or connected); and the second and third figures are continued, and reference is made to the first and first embodiments, the convex portions 142 are mutually A third accommodating space 144 is defined between the two accommodating spaces 144 and 145, and the third accommodating space 144 and the flat portion 145 are respectively embedded with the opposite first convex portions 1013. And a second accommodation space 1016.

In addition, in the preferred embodiment, the convex portion 142 and the concave portion 143 are divided into points. In the actual implementation of the present invention, the user can combine with the receiving unit 14 and the receiving slot 101 according to the position of the connecting unit 14 and the recesses 141. The strength requirement is designed to adjust the shape of the convex portion 142 and the concave portion 143 at unequal intervals or both, and adjust the interval between the flat portion 145 and the third receiving space 144, respectively. The first and second convex portions 1013 and 1014 and the first and second receiving spaces 1015 and 1016 also follow the corresponding third receiving space 144 and the concave fitting portion 143, and the convex portion 142 and the flat portion 145. The adjustment is made such that the bonding unit 14 and the heat pipe 12 and the base 10 can be firmly integrated.

Therefore, the heat pipe 12 of the present invention is placed in the receiving hole 1011 of the receiving groove 101 of the base 10, and the receiving groove 101 and the heat pipe 12 are tightly closed by the bonding unit 14 to make the heat pipe 12 and the base 10 and the combination unit 14 is firmly integrated into one design, so that the efficiency of the assembly can be greatly improved and the working hours can be reduced, thereby achieving the effect of reducing the production cost.

Please refer to FIG. 4, which is a schematic flow chart showing a second preferred embodiment of the present invention, and is supplemented with reference to FIGS. 1 to 3; the preferred embodiment is the heat dissipation structure of the first preferred embodiment. The manufacturing method of 1, the heat dissipation structure manufacturing method comprises the following steps:

(S1) providing a base having a receiving groove, at least one heat pipe and a coupling unit; providing a base 10 having a receiving groove 10, a heat pipe 12 and a coupling unit 14; wherein the base 10 and the material of the bonding unit 14 is a non-metal material, and the non-metal material is, for example, a plastic.

(S2) the heat pipe is placed in the accommodating groove, the coupling unit covers the opposite accommodating groove and the heat pipe; one end of the heat pipe 12 is placed into the accommodating hole 1011 corresponding to the accommodating groove 101, and then The coupling unit 14 covers the opposite accommodating groove 101, and the groove 141 of the coupling unit 14 receives one end of the heat pipe 12 corresponding to the receiving hole 1011, so that one end of the heat pipe 12 and the pedestal 10 The combining units 14 are combined together.

(S3) placing the combined susceptor and the heat pipe and the bonding unit into a mold having a cavity; placing the combined susceptor 10 and the heat pipe 12 and the bonding unit 14 into a mold having a cavity ( Not shown in the figure).

(S4) injecting the melted plastic into the at least one continuous hole on the side of the bonding unit by injection molding, and after the molten plastic is cooled and hardened, the heat pipe is firmly integrated with the base and the bonding unit; The injection molding method injects the melted plastic into the bonding unit 14 on the side opposite to the accommodating groove 101 and has at least a uniform hole (not shown) communicating with the concave portion of the bonding unit 14 The fitting portion 143 then waits for the melted plastic to be cooled and hardened, so that the heat pipe 12 is firmly integrated with the base 10 and the coupling unit 14.

Therefore, by the design of the method of the present invention described above, the effect of reducing the production cost can be effectively achieved, and the overall assembly efficiency can be effectively increased, thereby further achieving the effect of shortening the assembly time. As described above, the present invention has the following advantages over the conventional ones: 1. Reduce costs; 2. Reduce working hours; 3. Lighter weight; 4. High yield.

The above description is only a preferred embodiment of the present invention, but the features of the present invention are not limited thereto, and any changes or modifications that can be easily conceived in the field of the present invention are known to those skilled in the art. It is intended to be included in the scope of the claims of the present invention below.

1‧‧‧heating structure

10‧‧‧ Pedestal

101‧‧‧ accommodating slots

1011‧‧‧ receiving hole

1013‧‧‧First convex

12‧‧‧ Heat pipe

121‧‧‧ plane

122‧‧‧ Non-planar

14‧‧‧Combination unit

141‧‧‧ Groove

1014‧‧‧second convex

1015‧‧‧First space

1016‧‧‧Second space

103‧‧‧Perforation

142‧‧‧ convex part

143‧‧‧ concave embedded part

144‧‧‧ Third space

145‧‧‧flat

1 is a perspective view showing a first preferred embodiment of the present invention; FIG. 1A is a partial cross-sectional view showing a first embodiment of the present invention; and FIG. 1B is a bottom view showing a first embodiment of the present invention; 3 is an exploded perspective view of a first preferred embodiment of the present invention; FIG. 3 is another exploded perspective view of a first preferred embodiment of the present invention; and FIG. 4 is a flow chart of a second preferred embodiment of the present invention. schematic diagram.

1‧‧‧heating structure

10‧‧‧ Pedestal

101‧‧‧ accommodating slots

1011‧‧‧ receiving hole

1013‧‧‧First convex

1014‧‧‧second convex

1015‧‧‧First space

1016‧‧‧Second space

103‧‧‧Perforation

12‧‧‧ Heat pipe

121‧‧‧ plane

122‧‧‧ Non-planar

14‧‧‧Combination unit

142‧‧‧ convex part

144‧‧‧ Third space

Claims (12)

The heat dissipation structure includes a pedestal having a receiving groove and at least one through hole. The accommodating groove is disposed on one side of the base and has at least one receiving hole therein. The through hole is disposed on the other side of the base, and the through hole is formed on one side of the base and communicates with the receiving groove; at least one heat pipe is disposed at one end thereof Corresponding perforation into the accommodating hole; a coupling unit is provided with the accommodating groove, and has at least one groove formed on the side of the coupling unit opposite to the accommodating groove, The corresponding heat pipe is accommodated; and the melted plastic is injected into the bonding unit through injection molding, and the melted plastic is cooled and hardened, so that the heat pipe is firmly integrated with the base and the bonding unit. The heat dissipation structure of claim 1, wherein the accommodating groove is provided with at least one first convex portion and at least one second convex portion, and the first convex portion is disposed on the opposite inner side of the accommodating groove The second convex portion is formed to protrude from the receiving holes. The heat dissipation structure of claim 2, wherein the first convex portions define a first receiving space between each other, and the second convex portions define a second receiving space between each other. The first and second accommodation spaces are connected to the receiving groove and the receiving hole. The heat dissipation structure of claim 3, wherein the bonding unit is further provided with at least one convex portion and at least one concave portion, the convex portion is disposed on an opposite outer side of the bonding unit, and the concave portion is embedded a recess is formed in the The grooves are in contact with each other, and the convex portion and the concave portion are respectively embedded with the corresponding first receiving space and the second convex portion. The heat dissipation structure of claim 4, wherein the convex fittings define a third receiving space between each other, and the concave fittings form a flat portion adjacent to each other, and the third capacity is The first convex portion and the second receiving space are respectively embedded in the space and the flat portion. The heat dissipation structure of claim 1, wherein the heat pipe has a plane and a non-planar surface opposite the plane, the plane is flattened on the other side of the base, and is attached to the opposite heating element It is assumed that the non-planar system is disposed in the aforementioned groove. The heat dissipation structure of claim 1, wherein the other perforation is formed on the other side of the base and communicates with the corresponding perforation and receiving groove. The heat dissipation structure according to claim 1, wherein the material of the base and the coupling unit is a non-metal material. The heat dissipation structure according to claim 8, wherein the non-metal material is plastic. A heat dissipation structure manufacturing method includes: providing a susceptor having a receiving groove, at least one heat pipe, and a coupling unit; the heat pipe is placed in the accommodating groove, and the coupling unit is covered with the opposite accommodating groove And the heat pipe; the combined base and the heat pipe and the bonding unit are placed in a mold having a cavity; and the melted plastic is injected into the side of the bonding unit by injection molding There is at least a consistent hole, and the heat-treated tube is firmly integrated with the base and the bonding unit after the molten plastic is cooled and hardened. The method for manufacturing a heat dissipation structure according to claim 10, wherein the material of the base and the coupling unit is a non-metal material. The method for manufacturing a heat dissipation structure according to claim 11, wherein the non-metal material is plastic.