HEAT DISSIPATION COMPONENT MANUFACTURING METHOD

Abstract

A heat dissipation component manufacturing method is disclosed. The heat dissipation component has a main body. The main body has a first metal plate body and a second metal plate body. The first and second metal plate bodies together define a chamber. A capillary structure layer is disposed in the chamber and a working fluid is filled in the chamber. An outer periphery of the chamber of the main body has a flange section. The flange section has a sintered welding section. The sintered welding section is perpendicularly connected with the first and second metal plate bodies. The heat dissipation component manufacturing method employs fillet welding to directly perpendicularly weld and connect the first and second metal plate bodies so as to enhance the connection and sealing of the welded first and second metal plate bodies.

Claims

1. A heat dissipation component manufacturing method, comprising steps of: providing a first metal plate body and a second metal plate body; forming a capillary structure on one side of one of the first and second metal plate bodies; correspondingly overlapping the first and second metal plate bodies and perpendicularly fillet welding the correspondingly overlapped sections of the first and second metal plate bodies to seal the periphery and reserving a water-filling and air-sucking section; and performing vacuuming and water-filling process and finally sealing the water-filling and air-sucking section by means of fillet welding.

2. The heat dissipation component manufacturing method as claimed in claim 1, wherein the first and second metal plate bodies are made of a material selected from a group consisting of copper, aluminum, commercial pure titanium and stainless steel.

3. The heat dissipation component manufacturing method as claimed in claim 1, wherein in the fillet welding process, gas argon is filled as inert gas for avoiding oxidation reaction.

4. The heat dissipation component manufacturing method as claimed in claim 1, wherein the fillet welding process is performed in a vacuumed environment.

5. The heat dissipation component manufacturing method as claimed in claim 1, wherein the first and second metal plate bodies have the same size or different sizes.

6. The heat dissipation component manufacturing method as claimed in claim 1, wherein the fillet welding penetrates through the entire first metal plate body and penetrates into the second metal plate body by one-third to two-third the thickness of the second metal plate body.

7. The heat dissipation component manufacturing method as claimed in claim 1, further comprising a step of disposing a capillary structure member between the first and second metal plate bodies after the step of forming a capillary structure on one side of one of the first and second metal plate bodies, the capillary structure member being a mesh body or a fiber body.

8. The heat dissipation component manufacturing method as claimed in claim 1, further comprising a step of forming a support structure on one side of one of the first and second metal plate bodies after the step of forming a capillary structure on one side of one of the first and second metal plate bodies.

9. The heat dissipation component manufacturing method as claimed in claim 8, wherein the support structure being formed by means of external force deformation or cutting processing or externally added component as a support member, the cutting processing being such that one side of one of the first and second metal plate bodies is selectively cut to form raised structures abutting against and supporting the other plate body, the support structure formed by means of external force deformation being such that an external force is selectively applied to one side of one of the first and second metal plate bodies to be recessed toward the other side so as to form the support structure, the externally added component being such that a support body such as a support column is disposed between the first and second metal plate bodies as the support structure.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The structure and the technical means adopted by the present invention to achieve the above and other objects can be best understood by referring to the following detailed description of the preferred embodiments and the accompanying drawings, wherein:

[0023] FIG. 1 is a perspective view of a conventional vapor chamber;

[0024] FIG. 1a is a sectional view of the conventional vapor chamber;

[0025] FIG. 2 is a perspective exploded view of a first embodiment of the heat dissipation component of the present invention;

[0026] FIG. 3 is a sectional view of the first embodiment of the heat dissipation component of the present invention;

[0027] FIG. 4 is a perspective exploded view of a second embodiment of the heat dissipation component of the present invention;

[0028] FIG. 5 is a flow chart of a first embodiment of the heat dissipation component manufacturing method of the present invention;

[0029] FIG. 6 is a perspective view showing the processing process of the first embodiment of the heat dissipation component manufacturing method of the present invention;

[0030] FIG. 7 is a sectional view showing the processing process of the first embodiment of the heat dissipation component manufacturing method of the present invention;

[0031] FIG. 8 is a flow chart of a second embodiment of the heat dissipation component manufacturing method of the present invention; and

[0032] FIG. 9 is a flow chart of a third embodiment of the heat dissipation component manufacturing method of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0033] Please refer to FIGS. 2 and 3. FIG. 2 is a perspective exploded view of a first embodiment of the heat dissipation component of the present invention. FIG. 3 is a sectional view of the first embodiment of the heat dissipation component of the present invention. According to the first embodiment, the heat dissipation component of the present invention includes a main body 1.

[0034] The main body 1 has a first metal plate body 1a and a second metal plate body 1b. The first and second metal plate bodies 1a, 1b are made of a material selected from a group consisting of gold, silver, iron, copper, aluminum, commercial pure titanium, stainless steel and any other heat conduction metal. The first and second metal plate bodies 1a, 1b together define a closed chamber 1e. The surface of the closed chamber 1e has at least one capillary structure 1d, (which can be a sintered powder body, a fiber body, a mesh body or a channeled body). The capillary structure 1d is selectively disposed on one of the first and second metal plate bodies 1a, 1b. A working fluid 1g is filled in the closed chamber 1e. An outer periphery of the closed chamber 1e of the main body 1 has a flange section 1h. The flange section 1h has a sintered welding section 1i. The sintered welding section 1i is perpendicularly connected with the first and second metal plate bodies 1a, 1b. The sintered welding section 1i perpendicularly penetrates through the entire plate thickness of the first metal plate body 1a and extends to a position of one-third to two-third the plate thickness of the second metal plate body 1b.

[0035] The main body 1 has a support structure 1c. The support structure 1c is formed by means of external force deformation or cutting processing or externally added component as a support member. The cutting processing is such that one side of one of the first and second metal plate bodies 1a, 1b is selectively cut and processed (such as milled and processed) to form raised structures abutting against and supporting the other plate body. The support structure 1c formed by means of external force deformation is such that an external force is selectively applied to one side of one of the first and second metal plate bodies 1a, 1b to be recessed toward the other side so as to form the support structure 1c. The externally added component is, but not limited to, such that a support body such as a support column is disposed between the first and second metal plate bodies 1a, 1b as the support structure 1c.

[0036] Please now refer to FIG. 4, which is a perspective exploded view of a second embodiment of the heat dissipation component of the present invention. The second embodiment is partially identical to the first embodiment and thus will not be redundantly described hereinafter. The second embodiment is different from the first embodiment in that a capillary structure member 3 is disposed between the first and second metal plate bodies. In this embodiment, the capillary structure member is one single structure body. The capillary structure member 3 is disposed between the first and second metal plate bodies 1a, 1b. The capillary structure member 3 is a sintered powder plate body, a fiber body, a mesh body, a waved plate or a plate body with multiple channels. The capillary structure member 3 serves to provide assistant capillary attraction so as to enhance the vapor-liquid circulation efficiency.

[0037] Please now refer to FIG. 5, which is a flow chart of a first embodiment of the heat dissipation component manufacturing method of the present invention. Please also refer to FIGS. 6 and 7. FIG. 6 is a perspective view showing the processing process of the first embodiment of the heat dissipation component manufacturing method of the present invention. FIG. 7 is a sectional view showing the processing process of the first embodiment of the heat dissipation component manufacturing method of the present invention. According to the first embodiment, the heat dissipation component manufacturing method of the present invention includes steps of:

[0038] S1. providing a first metal plate body and a second metal plate body, a first metal plate body 1a and a second metal plate body 1b being provided, the first and second metal plate bodies 1a, 1b having the same size or different sizes, the first and second metal plate bodies 1a, 1b being made of a material selected from a group consisting of copper, aluminum, stainless steel, titanium alloy and commercial pure titanium, in this embodiment, the first and second metal plate bodies 1a, 1b being, but not limited to, selectively made of commercial pure titanium with copper for illustration purposes;

[0039] S2. forming a capillary structure on one side of one of the first and second metal plate bodies, a capillary structure 1d being selectively formed on one side of one of the first and second metal plate bodies 1a, 1b or two opposite sides of the first and second metal plate bodies 1a, 1b, the capillary structure 1d being a sintered powder body, a mesh body, a channeled body or fiber body;

[0040] S3. correspondingly overlapping the first and second metal plate bodies and perpendicularly fillet welding the correspondingly overlapped sections of the first and second metal plate bodies to seal the periphery and reserving a water-filling and air-sucking section, the first and second metal plate bodies 1a, 1b being correspondingly overlapped to form a closed chamber 1e therebetween, the correspondingly overlapped outer peripheral sections of the first and second metal plate bodies 1a, 1b being fillet welded and connected with each other, in the fillet welding process, the fillet welder being arranged perpendicular to the first and second metal plate bodies 1a, 1b, whereby the discharging molten material produced by the fillet welder 2 perpendicularly penetrates into the first and second metal plate bodies 1a, 1b, the discharging molten material directly penetrating through the entire first metal plate body 1a positioned on the upper side and then penetrating into the second metal plate body 1b positioned on lower side of the first metal plate body 1a by about one-third to two-third the plate thickness of the second metal plate body 1b, finally, a water-filling and air-sucking section if being reserved, while other sections being sealed, in the fillet welding process, preferably gas argon being filled where the fillet welder 2 and the first and second metal plate bodies 1a, 1b are positioned so as to provide inert gas protection for avoiding oxidation reaction in the fillet welding process, alternatively, the fillet welding process being performed in a vacuumed environment so as to avoid contamination or oxidation reaction in the welding process; and

[0041] S4. performing vacuuming and water-filling process and finally sealing the water-filling and air-sucking section by means of fillet welding, the air-sucking and water-filling process being performed, after the periphery of the first and second metal plate bodies 1a, 1b is sealed, the first and second metal plate bodies 1a, 1b being vacuumed and the working fluid being filled in, finally, the reserved water-filling and air-sucking section if being sealed also by means of fillet welding.

[0042] Please now refer to FIG. 8, which is a flow chart of a second embodiment of the heat dissipation component manufacturing method of the present invention. The second embodiment is partially identical to the first embodiment and thus will not be redundantly described hereinafter. The second embodiment is different from the first embodiment in that the second embodiment further includes a step S5 of disposing a capillary structure member between the first and second metal plate bodies after the step S2 of forming a capillary structure on one side of one of the first and second metal plate bodies. The capillary structure member 3 is one single structure body. The capillary structure member 3 is disposed between the first and second metal plate bodies 1a, 1b. The capillary structure member is a sintered powder plate body, a fiber body, a mesh body, a waved plate or a plate body with multiple channels.

[0043] Please now refer to FIG. 9, which is a flow chart of a third embodiment of the heat dissipation component manufacturing method of the present invention. The third embodiment is partially identical to the first embodiment and thus will not be redundantly described hereinafter. The third embodiment is different from the first embodiment in that the third embodiment further includes a step S6 of forming a support structure on one side of one of the first and second metal plate bodies after the step S2 of forming a capillary structure on one side of one of the first and second metal plate bodies.

[0044] The support structure 1c is formed by means of external force deformation or cutting processing or externally added component as a support member. The cutting processing is such that one side of one of the first and second metal plate bodies 1a, 1b is selectively cut and processed to form raised structures abutting against and supporting the other plate body. The support structure formed by means of external force deformation is such that an external force is selectively applied to one side of one of the first and second metal plate bodies 1a, 1b to be recessed toward the other side so as to form the support structure. The externally added component is, but not limited to, such that a support body such as a support column is disposed between the first and second metal plate bodies 1a, 1b as the support structure. In this embodiment, the support structure is selectively a support structure formed by means of external force pressing and processing.

[0045] The present invention employs fillet welding to improve the shortcoming of the conventional device that the commercial pure titanium or titanium metal or copper material is uneasy to connect. Also, the present invention is advantageous over the conventional device that in the fillet welding process, the fillet welder is positioned normal to the first and second metal plate bodies 1a, 1b to be fillet welded. Accordingly, the discharging molten material produced by the fillet welder perpendicularly penetrates through the first metal plate body 1a and penetrates into the second metal plate body 1b by one-third to two-third the thickness of the second metal plate body 1b so as to finally completely connect the first and second metal plate bodies 1a, 1b and enhance the connection and sealing of the first and second metal plate bodies 1a, 1b. Moreover, the present invention improves the shortcoming of the conventional vapor chamber or flat-plate heat pipe that it is uneasy to align.

[0046] The present invention has been described with the above embodiments thereof and it is understood that many changes and modifications in such as the form or layout pattern or practicing step of the above embodiments can be carried out without departing from the scope and the spirit of the invention that is intended to be limited only by the appended claims.