TWI598557B - Vapor chamber without degassing protrusion and manufacturing method thereof - Google Patents

Description

Temperature equalizing plate without degassing convex portion and manufacturing method thereof

The invention relates to a temperature equalizing plate structure, in particular to a temperature equalizing plate without a degassing convex portion and a manufacturing method thereof.

The function and working principle of the Vapor Chamber are the same as those of the heat pipe. The working fluid enclosed in the plate cavity is used for evaporation and condensation circulation, so that the heat of the heating element can be quickly and evenly averaged. Absorbing, so that the temperature equalizing plate has the function of rapid heat conduction and heat diffusion.

However, the production process of the uniform temperature plate needs to be filled with the working fluid and the vacuuming operation, so when the casing of the temperature equalizing plate is manufactured, the casing itself protrudes outwardly with a degassing convex portion to facilitate filling of the working fluid and Vacuuming work. However, as the modern uniform temperature plate moves toward the goal of lightness, thinness and shortness, the outer portion of the temperature equalizing plate protrudes with a degassing convex portion, which will cause the volume of the temperature equalizing plate to be simplified and hinder the development of thinning.

In view of the above, the inventors of the present invention have made great efforts to solve the above problems by focusing on the above-mentioned prior art, and have made great efforts to solve the above problems, which has become the object of development by the present inventors.

An object of the present invention is to provide a temperature equalizing plate without a degassing convex portion and a manufacturing method thereof, which are provided with a concave groove by using a lower shell plate, one end of the groove is connected with at least one capillary channel thereof, and the other end is penetrated through a flat surface, and a degassing hole is formed between the groove and the upper shell plate, so that the uniform temperature plate omits the conventional degassing convex portion to reach the temperature equalizing plate of the present invention It has the advantages of being light and thin, and compact.

In order to achieve the above object, the present invention provides a temperature equalizing plate without a degassing protrusion, comprising: a lower shell having an upper surface and an outer peripheral wall, the outer peripheral wall having a plane, the upper surface being divided into an inner portion And an outer zone disposed at a periphery of the inner zone, the inner zone having a plurality of capillary channels communicating with each other, the outer zone defining a groove, the groove being connected to at least one of the capillary channels and the other end And an upper casing plate corresponding to the upper surface cover and the sealing member of the lower casing plate, the upper casing plate having a lower surface and an outer annular wall, the outer annular wall having a plane, the lower surface being provided a lower recess disposed opposite to the recess, the one end of the lower trap communicating with at least one of the auxiliary passages, the other end penetrating the plane, and a recess is formed between the recess and the lower recess, the recess The groove, the lower trap, and the upper shell plate further have a mouth portion sealed in the degassing hole, and the sealing portion is formed by pressure welding from the lower shell plate toward the groove direction, and The upper shell plate Depressed groove forming direction pressure welding, the inner wall of the lower casing plate and the upper plate inner wall of the shell contact against one another.

In order to achieve the above object, the present invention provides a method for manufacturing a temperature equalizing plate without a degassing protrusion, comprising: a) providing a lower shell having an upper surface and an outer peripheral wall, the outer peripheral wall having a plane dividing the upper surface into an inner zone and an outer zone disposed at a periphery of the inner zone, the inner zone having a plurality of capillary channels communicating with each other; b) forming a groove for the outer zone, the groove One end communicates with at least one of the capillary channels, and the other end penetrates the plane; c) provides an upper shell plate, the upper shell plate corresponds to the upper surface, and the lower shell plate and the upper shell plate The edge is sealed and joined, the upper shell has a lower surface and an outer annular wall, the outer annular wall has a flat surface, and the lower surface is provided with a lower recess opposite to the concave groove, the lower recess has one end and at least One of the auxiliary channels communicates with each other, and the other end penetrates the plane to form a degassing hole between the groove and the lower ditch; d) provides a working fluid, and fills the working fluid through the degassing hole Capillary channel and pumping And a) sealing operation of the degassing hole, wherein the sealing operation is that the lower shell plate is pressure welded in the direction of the groove, and the upper shell plate is pressure welded in the direction of the lower trap to make the lower shell plate Inner wall with the The inner walls of the upper casing are attached to each other to form a mouth portion, so that the sealing portion is sealed in the degassing hole.

10‧‧‧Wall plate

1‧‧‧Shell plate

11‧‧‧ upper surface

111‧‧‧Internal area

112‧‧‧External area

113‧‧‧Capillary channel

114‧‧‧ Groove

12‧‧‧ peripheral wall

121‧‧‧ plane

2‧‧‧Upper shell

21‧‧‧ Lower surface

211‧‧‧Auxiliary channel

212‧‧‧The ditch

22‧‧‧ outer ring wall

221‧‧‧ plane

3‧‧‧ Venting holes

4‧‧‧Seal

Step a~step e

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow chart showing the steps of a method for producing a temperature equalizing plate of the present invention.

2 is a schematic view of the upper cover plate of the present invention corresponding to the upper surface cover.

Figure 3 is a schematic view showing the sealing joint of the lower shell and the upper shell of the present invention.

Figure 4 is a schematic cross-sectional view of a temperature equalizing plate of the present invention.

Figure 5 is a schematic cross-sectional view showing another embodiment of the temperature equalizing plate of the present invention.

Figure 6 is a schematic view showing the formation of a degassing hole between the groove and the upper casing of the present invention.

Fig. 7 is an exploded perspective view showing the sealing portion of the lower casing plate of the present invention formed by pressure welding in the direction of the groove.

Figure 8 is a perspective exploded view of another embodiment of the temperature equalizing plate of the present invention.

Figure 9 is a perspective assembled view of another embodiment of the temperature equalizing plate of the present invention.

Figure 10 is a schematic cross-sectional view showing another embodiment of the temperature equalizing plate of the present invention.

Figure 11 is another cross-sectional view showing another embodiment of the temperature equalizing plate of the present invention.

The detailed description and technical content of the present invention will be described with reference to the accompanying drawings.

Referring to FIGS. 1 to 7, the present invention provides a temperature equalizing plate without a degassing convex portion and a manufacturing method thereof. The temperature equalizing plate 10 mainly comprises a lower shell plate 1 and an upper shell plate 2.

As shown in Fig. 1, it is a flow chart of the manufacturing method of the temperature equalizing plate 10 of the present invention. In the first step, as shown in step a of FIG. 1 and FIG. 2, a lower shell 1 is provided. The lower shell 1 has an upper surface 11 and an outer peripheral wall 12. The outer peripheral wall 12 has a flat surface 121, and the upper surface 11 is distinguished. An inner region 111 and an outer region 112 disposed at the periphery of the inner region 111 have internal capillary channels 113 that communicate with each other.

In the second step, as shown in step b of FIG. 1 and FIG. 2, a groove 114 is defined in the outer region 112. One end of the groove 114 communicates with at least one of the capillary channels 12, and the other end penetrates the plane 121.

The third step, as shown in step c of FIG. 1 and FIG. 3 to FIG. 6, provides an upper shell plate 2, The upper surface of the upper shell 11 is covered by the upper surface 11 and the edges of the lower shell 1 and the upper shell 2 are sealed and joined to form a degassing hole 3 between the recess 114 and the upper shell 2.

In the fourth step, as shown in step d of Fig. 1, a working fluid is supplied, and the working fluid is filled into the capillary channel 12 through the degassing hole 3 and evacuated.

In the fifth step, as shown in step e of FIG. 1 and FIG. 7, the degassing hole 3 is sealed. The sealing operation is such that the lower shell plate 1 is formed into a mouth portion 4 by pressure welding in the direction of the groove 114, and the sealing portion 4 is filled. Sealed in the degassing hole 3. Thereby, the above steps a to e are completed to complete the finished product of the temperature equalizing plate 10 of the present invention.

As shown in FIG. 2 to FIG. 6, the lower casing 1 has an upper surface 11 and a peripheral wall 12. The outer peripheral wall 12 has a flat surface 121. The upper surface 11 is divided into an inner portion 111 and an outer portion 112 disposed around the outer portion of the inner portion 111. The inner zone 111 has a plurality of capillary channels 113 communicating with each other. The outer zone 112 is provided with a groove 114. One end of the groove 114 communicates with at least one of the capillary channels 12, and the other end penetrates the plane 121. Wherein, each capillary channel 12 is composed of a particle sintered body, a metal mesh body, an etching groove or a combination thereof.

As shown in FIG. 2 to FIG. 6 , the upper shell plate 2 is correspondingly covered with the upper surface 11 and sealed to the lower shell panel 1 , and a degassing hole 3 is formed between the recessed groove 114 and the upper shell plate 2 .

In addition, the upper shell 2 can be a flat plate or have a plurality of channels. As shown in FIG. 5 to FIG. 6 , the upper panel 2 of the embodiment has a plurality of channels, but is not limited thereto. As described in detail below, the upper casing 2 has a lower surface 21, the lower surface 21 and the outer zone 112 are sealingly joined to each other, and the lower surface 21 is provided with a plurality of auxiliary passages 211 corresponding to the plurality of capillary passages 12. Each of the auxiliary channels 211 is composed of a particle sintered body, a metal mesh body, an etching trench, or a combination thereof.

As shown in FIG. 7, the recessed portion 114 and the lower casing plate 1 further have a sealing portion 4 sealed in the degassing hole 3, and the sealing portion 4 is pressure-welded from the lower casing plate 1 toward the concave groove 114 to make the lower casing plate. The inner wall of 1 and the inner wall of the groove 114 are in contact with each other to seal the sealing portion 4 to the degassing hole 3.

As shown in FIG. 2 to FIG. 3 and FIG. 5, the combination and use state of the temperature equalizing plate 10 of the present invention utilizes the lower casing 1 having an upper surface 11 and an outer peripheral wall 12, and the outer peripheral wall 12 has a flat surface 121 and an upper surface 11 Divided into an inner zone 111 and a ring outside the inner zone 111 The outer portion 112 has a plurality of capillary channels 113 communicating with each other, and the outer portion 112 is provided with a groove 114. One end of the groove 114 communicates with a capillary channel 12, and the other end penetrates the plane 121; the upper plate 2 Corresponding to the upper surface 11 cover and sealing joint with the lower shell plate 1, a degassing hole 3 is formed between the groove 114 and the upper shell plate 2. Thereby, the lower shell plate 1 is provided with a groove 114, one end of the groove 114 communicates with at least one of the capillary channels 12, the other end penetrates the plane 121, and a degassing hole 3 is formed between the groove 114 and the upper shell plate 2, Since the temperature equalizing plate 10 is directly provided with the degassing hole 3 inward from the plane 121, the temperature equalizing plate 10 is omitted from the conventional degassing convex portion, so that the temperature equalizing plate 10 of the present invention has the advantages of being light and thin, short and compact.

Please refer to FIG. 8 to FIG. 11 , which is another embodiment of the temperature equalizing plate 10 of the present invention. The embodiments of FIGS. 8 to 11 are substantially the same as the embodiments of FIGS. 2 to 7 , but FIGS. 8 to 11 . The embodiment differs from the embodiment of Figures 2 to 7 in that the upper casing 2 is provided with a lower trap 212.

Further, the upper shell plate 2 has an outer ring wall 22 having a flat surface 221, and the lower surface 21 is provided with a lower recess 212 disposed opposite to the recess 114, one end of the recessed trench 212 and at least one of The auxiliary passages 211 are in communication with each other, and the other end is penetrated through the flat surface 221 so that the concave grooves 114 and the lower recessed grooves 212 together constitute the degassing holes 3. Thereby, the functions and effects similar to the embodiments of FIGS. 2 to 7 are achieved.

In addition, the groove 114, the depression groove 212, the lower shell plate 1 and the upper shell plate 2 further have a mouth portion 4 sealed in the degassing hole 3, and the sealing portion 4 is directed from the lower shell plate 1 toward the groove 114. Formed by pressure welding, and the upper shell 2 is formed by pressure welding in the direction of the lower trap 212, so that the inner wall of the lower shell 1 and the inner wall of the upper shell 2 are adhered to each other, so that the sealing portion 4 is sealed. The effect of removing the pores 3.

Further, as shown in FIG. 7, the sealing portion 4 is provided at the open end of the degassing hole 3, that is, in the embodiment of FIGS. 2 to 7, the inner wall of the lower casing 1 and the inner wall of the groove 114 are self-degassing holes. The open ends of the 3 are attached to each other at a distance toward the inside; for the same reason, the sealing portion 4 is disposed at the open end of the degassing hole 3, that is, in the embodiment of FIGS. 8 to 11, the inner wall and the upper side of the lower shell 1 The inner walls of the shell 2 are attached to each other at a distance from the open end of the degassing hole 3 toward the inside.

Alternatively, as shown in FIG. 11, the sealing portion 4 is disposed in the middle portion of the degassing hole 3, that is, In the embodiment of FIGS. 8 to 11, the inner wall of the lower casing 1 and the inner wall of the upper casing 2 are attached to each other only in the middle portion of the degassing hole 3; similarly, the sealing portion 4 is disposed in the middle of the degassing hole 3. In the embodiment shown in Figs. 2 to 7, the inner wall of the lower casing 1 and the inner wall of the groove 114 are attached to each other only in the intermediate portion of the degassing hole 3.

In summary, the uniform temperature plate without degassing convex portion of the present invention and the manufacturing method thereof have not been seen in similar products and are used publicly, and have industrial utilization, novelty and progress, and fully comply with the requirements for new patent applications. To file an application in accordance with the Patent Law, please check and grant the patent in this case to protect the rights of the inventor.

10‧‧‧Wall plate

114‧‧‧ Groove

12‧‧‧ peripheral wall

121‧‧‧ plane

2‧‧‧Upper shell

3‧‧‧ Venting holes

Claims (13)

A temperature equalizing plate without a degassing convex portion, comprising: a lower shell plate having an upper surface and an outer peripheral wall, the outer peripheral wall having a plane, the upper surface being divided into an inner region and a ring disposed at a periphery of the inner region An outer zone having a plurality of capillary channels communicating with each other, the outer zone defining a groove, one end of the groove communicating with at least one of the capillary channels, the other end penetrating the plane; and an upper shell plate, Corresponding to the upper surface cover merging and sealingly engaging the lower shell plate, the upper shell plate has a lower surface and an outer ring wall, the outer ring wall has a plane, and the lower surface is provided with a surface disposed opposite to the groove a recessed groove, one end of the lower trap and at least one of the auxiliary passages communicate with each other, and the other end penetrates through the plane, and a deaeration hole is formed between the recess and the lower recess, the recess, the lower recess, and the lower shell And a top portion of the upper shell plate enclosing the degassing hole, the sealing portion is formed by pressure welding from the lower shell plate toward the groove, and the upper shell plate is oriented toward the lower trap Pressure welding molding, the The inner wall of the shell plate and the inner wall of the upper casing plate contact against one another. The temperature equalizing plate having no degassing protrusion according to claim 1, wherein the groove and the lower shell plate further have a mouth portion sealed in the degassing hole. The temperature equalizing plate having no degassing protrusion according to claim 2, wherein the sealing portion is formed by pressure welding from the lower shell plate toward the groove, the inner wall of the lower shell and the inner portion of the groove The walls are attached to each other. A temperature equalizing plate having no degassing protrusion according to claim 3, wherein the sealing portion is provided at an open end of the degassing hole or an intermediate portion of the degassing hole. A temperature equalizing plate having no degassing protrusion according to claim 1, wherein the lower surface and the outer portion are in sealing engagement with each other, and the lower surface is provided with a plurality of auxiliary passages corresponding to the configuration of the capillary passage. A temperature equalizing plate having no degassing protrusion according to claim 5, wherein the sealing portion is provided at an open end of the degassing hole or an intermediate portion of the degassing hole. A temperature equalizing plate having no degassing protrusions as claimed in claim 5, wherein the capillary channels are The auxiliary channels are respectively composed of a particle sintered body, a metal mesh body, an etched trench, or a combination thereof. A method for manufacturing a temperature equalizing plate without a degassing convex portion, comprising: a) providing a lower shell plate having an upper surface and an outer peripheral wall, the outer peripheral wall having a plane, the upper surface being divided into one An inner zone and an outer zone disposed at a periphery of the inner zone, the inner zone having a plurality of capillary channels communicating with each other; b) a groove formed in the outer zone, the one end of the groove being interconnected with at least one of the capillary channels The other end runs through the plane; c) provides an upper shell plate, the upper shell plate is correspondingly covered with the upper surface, and the lower shell plate is sealed and joined with the edge of the upper shell plate, the upper shell plate Having a lower surface and an outer ring wall, the outer ring wall has a flat surface, the lower surface is provided with a lower recess opposite to the concave groove, and one end of the lower trap communicates with at least one of the auxiliary passages, and the other end Through the plane, a degassing hole is formed between the groove and the lower ditch; d) providing a working fluid, filling the working fluid through the degassing hole and performing vacuuming operation; and ) sealing the degassing hole Orbiting operation, the sealing operation is that the lower shell plate is pressure welded in the direction of the groove, and the upper shell plate is pressure welded in the direction of the lower trap groove, so that the inner wall of the lower shell plate and the inner wall of the upper shell plate They are attached to each other to form a mouth portion, so that the sealing portion is filled in the degassing hole. The method for manufacturing a temperature equalizing plate having no degassing protrusion according to claim 8, wherein in the step e), the sealing operation is that the lower shell plate is pressure welded in the direction of the groove so that the inner wall of the lower shell is The inner wall of the groove is adhered to each other to form a mouth portion, so that the sealing portion is filled in the degassing hole. A method of manufacturing a temperature equalizing plate having no degassing convex portion according to claim 9, wherein the sealing portion is provided at an open end of the degassing hole or an intermediate portion of the degassing hole. The method for manufacturing a temperature equalizing plate having no degassing protrusion according to claim 8, wherein in the step c), the upper casing has a lower surface, the lower surface and the outer portion are sealingly joined to each other, and the lower surface is provided A plurality of auxiliary channels that should be configured for the capillary channel. A method for manufacturing a temperature equalizing plate having no degassing convex portion according to claim 11, wherein The sealing portion is provided at an open end of the degassing hole or an intermediate portion of the degassing hole. The method for manufacturing a temperature equalizing plate without degassing protrusions according to claim 11, wherein the capillary channels and the auxiliary channels are respectively composed of a particle sintered body, a metal mesh body, an etching groove, or a combination thereof.