CN114018076A

CN114018076A - Condensation structure

Info

Publication number: CN114018076A
Application number: CN202111241926.6A
Authority: CN
Inventors: 何志明
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-02-08

Abstract

The invention provides a condensation structure, which comprises a condensation pipe unit and a channel seat arranged below the condensation pipe unit, wherein the condensation pipe unit is provided with a plate-type shell which internally surrounds an inner space, the inner space is provided with a plurality of first flow channels and a plurality of second flow channels which are communicated through a backflow flow channel, a shell inlet and a shell outlet penetrate through the plate-type shell, and the channel seat is provided with an inflow channel and an outflow channel which are respectively communicated with the plurality of first flow channels and the plurality of second flow channels through the shell inlet and the shell outlet, so that the welding area is reduced, and the strength and the air tightness are improved.

Description

Condensation structure

Technical Field

The invention relates to the field of heat exchange, in particular to a condensation structure.

Background

The condenser is used as one heat exchange device in loop type thermosiphon, and its action principle is that firstly, a working fluid in an evaporator is heated and vaporized, and transferred into said condenser by means of a steam pipe, and the gaseous working fluid reached to said condenser is undergone the process of heat exchange with external environment to release heat, and condensed into liquid working fluid, then returned into said evaporator by means of return pipe so as to implement a circulation. The pressure and density difference generated by the phase change process of the working fluid in the gas state and the liquid state and the effect of gravity are the main driving forces of the circulation action of the loop type thermosiphon.

As shown in fig. 1, a schematic view of a conventional condensing plate 10 includes an upper plate 11 and a lower plate 12, a fin set 13 is disposed between the upper plate 11 and the lower plate 12, and the lower plate 12 is provided with an inlet 121 and an outlet 122 for a working fluid to enter and exit. However, the condenser plate 10 is difficult to assemble due to the use of a plurality of parts, and the production cost of each part is high. Moreover, the welding area is large because the upper plate 11, the lower plate 12 and the fin set 13 need to be welded and connected at the contact position. In addition, the thickness or the edge of the upper plate 11, the lower plate 12 and the fin group 13 has dimension errors in the manufacturing process, which causes the dimension and/or the thickness of each other to be inconsistent, the precision of the extending welded seam is poor, and the welding precision is not easy to control, so that the defects of welding seam slag inclusion, air holes, cracks, burning-through and the like are caused, and the problems of welding joint strength reduction and liquid leakage inside the condensation plate 10 are solved.

Therefore, how to solve the above problems and disadvantages is a direction in which the present inventors and related manufacturers in the industry need to research and improve.

Disclosure of Invention

An object of the present invention is to provide a condensing structure having a condensing tube unit that reduces a welding area, prevents liquid leakage, and ensures airtightness, thereby improving heat-conducting performance and structural strength.

An object of the present invention is to provide a condensing structure with a reduced number of parts, which is simple in structure and easy and convenient in manufacturing process.

To achieve the above object, the present invention provides a condensation structure, comprising:

a condenser unit having a flat shell surrounding an inner space, the flat shell having a first open end and a second open end, the first open end and the second open end being located at two ends of the inner space, the first open end and the second open end being respectively provided with a first sealing cover and a second sealing cover, the flat shell defining a bottom and a top opposite to each other at a spacing, the bottom being provided with a shell inlet and a shell outlet, the inner space being provided with a plurality of first channels, a plurality of second channels and a plurality of return channels, the return channels being adjacent to the second sealing cover of the second open end and communicating with the plurality of first channels and the plurality of second channels, the plurality of first channels communicating with the shell inlet and the return channels, the plurality of second channels communicating with the shell outlet and the return channels;

and the channel seat is provided with an inflow channel and an outflow channel, the inflow channel and the outflow channel penetrate from the side surface to the top surface, and the inflow channel and the outflow channel are respectively communicated with the shell inlet and the shell outlet through the top surface.

The condensation structure, wherein: the plurality of first flow channels and the plurality of second flow channels extend from the first open end to a position adjacent to the second open end and parallel to a long direction of the flat plate type shell, and the backflow flow channels are arranged between the second open end and the plurality of first flow channels and the plurality of second flow channels and parallel to a short direction of the flat plate type shell.

The condensation structure, wherein: a partition wall is arranged between the first flow passages and between the second flow passages, and the partition walls protrude from the bottom to the top.

The condensation structure, wherein: the inflow channel of the channel seat is provided with a first inlet and a first interface, the first inlet is positioned on the side surface, and the first interface is positioned on the top surface and is communicated with the inlet of the shell; the outflow channel of the channel seat is provided with a first outlet and a second interface, the first outlet is positioned on the side surface, and the second interface is positioned on the top surface and is communicated with the outlet of the shell.

The condensation structure, wherein: the first interface has at least two ends, and the two ends are respectively provided with a limit convex body for inserting the shell inlet.

The condensation structure, wherein: the first sealing cover is provided with a convex surface which seals the plurality of first flow passages and the plurality of second flow passages from the first opening end to one end of the first opening.

The condensation structure, wherein: a radiator unit is arranged below the condenser tube unit, the radiator unit is provided with a radiator top surface, the radiator top surface is connected with or contacted with the bottom of the flat plate type shell, the radiator top surface is provided with a step part for placing the channel seat, and the channel seat is clamped between the bottom of the flat plate type shell and the radiator top surface.

The condensation structure, wherein: the bottom and the top are between the first open end and the second open end, and the housing inlet and the housing outlet of the bottom are adjacent to the first open end.

The condensation structure, wherein: the number of the flow channels of the plurality of first flow channels is more than that of the flow channels of the plurality of second flow channels.

The condensation structure, wherein: the flat plate type shell defines two lateral parts which are respectively connected with the two outermost sides of the bottom part and the top part.

By means of the structure, the invention is composed of fewer parts, so that the structure is simple, and the manufacturing process is simple and convenient. And the condenser tube unit is an integrally formed flat plate type shell, and the plurality of first flow channels, the plurality of second flow channels and the backflow flow channels in the inner space, so that compared with the prior art, the condenser tube unit not only reduces the welding area, but also avoids liquid leakage and ensures air tightness so as to improve the heat conduction performance and the structural strength.

Drawings

FIG. 1 is a prior art exploded perspective view;

FIG. 2A is a schematic exploded view of the present invention;

FIG. 2B is an exploded perspective view of another embodiment of the present invention;

FIG. 2C is a schematic view of the combination of the present invention;

FIG. 3A is a schematic view of the cross-section line 3A-3A of FIG. 2A;

FIG. 3B is a schematic view of the cross-section line 3B-3B of FIG. 2C;

FIG. 3C is a schematic view of the cross-section line 3C-3C of FIG. 2C.

Description of reference numerals: a condensing structure 20; a condenser tube unit 21; a plate-like housing 211; a bottom 2111; the housing inlet 21111; a housing outlet 21112; a top portion 2112;

side portions

2113, 2114; an inner space 212; a first flow passage 2121; a second flow passage 2122; a reflux flow channel 2123; a partition 2124; a first open end 213; a second open end 214; a first cover 215; a convex surface 2151; a second cover 216; convex surfaces 2161; a passage seat 22; a side 221; a top surface 222; an inflow passage 223; a first inlet 2231; a first interface 2232; a limit protrusion 22321; an outflow channel 224; a first outlet 2241; a second interface 2242; a radiator unit 23; heat dissipating fins 231; a heat sink top surface 2311; step 2312.

Detailed Description

The above objects, together with the structural and functional features thereof, are accomplished by the preferred embodiments according to the accompanying drawings.

The invention relates to a part of a liquid cooling loop (liquid cooling loop), which is mainly used for helping at least one heating element to dissipate heat at a far end, one end of a water inlet pipe and one end of a water outlet pipe in the liquid cooling loop are communicated with a condensation structure, the other ends of the water inlet pipe and the water outlet pipe are connected with a water cooling head, the water cooling head is used for contacting the heating element, heat generated by the heating element flows into the condensation structure from the water inlet pipe by virtue of a working liquid and is dissipated by the condensation structure, and then the cooled working liquid flows to the water outlet pipe and flows back to the water cooling head to absorb the heat.

Please refer to fig. 2A, which is a perspective exploded view of the present invention; FIG. 2B is an exploded perspective view of another embodiment of the present invention; FIG. 2C is a schematic view of the present invention. As shown in fig. 2A-2C, the condensation structure 20 of the present invention includes a condenser unit 21 combined with a channel seat 22. The condenser tube unit 21 is an integrally formed member (e.g., an aluminum extrusion), the condenser tube unit 21 includes a flat housing 211 having a first open end 213 and a second open end 214, the flat housing 211 defining a bottom portion 2111 and a top portion 2112 spaced apart from each other between the first open end 213 and the second open end 214, and the flat housing 211 also defining two

side portions

2113, 2114 respectively connecting the two outermost sides of the bottom portion 2111 and the top portion 2112. The bottom portion 2111 defines a housing inlet 21111 and a housing outlet 21112 adjacent the first open end 213. The first open end 213 and the second open end 214 are sealed by a first cover 215 and a second cover 216, respectively, by a connecting means (e.g., welding or gluing).

The first cover 215 and the second cover 216 are shown to have a

convex surface

2151 and 2161 extending into the first opening end 213 and the second opening end 214, respectively. But not limited thereto, the

convex surfaces

2151 and 2161 may be changed to be flat.

The channel seat 22 has a side 221 and a top 222, the top 222 is abutted against the bottom 2111 of the plate-type housing 211, and has an inflow channel 223 and an outflow channel 224 penetrating from the side 221 to the top 222. The inlet channel 223 has a first inlet 2231 at the side 221 for connecting to an external input line and a first port 2232 at the top 222 communicating with the housing inlet 21111 such that the inlet channel 223 communicates with the housing inlet 21111 through the top 222. At least two ends of the first port 2232 are respectively provided with a limiting protrusion 22321 inserted into the housing inlet 21111 to generate an alignment and limiting effect on the condenser tube unit 21, which helps the channel seat 22 to align with the connection position of the condenser tube unit 21 and prevents the condenser tube unit 21 and the channel seat 22 from moving in a dislocation manner.

The outlet passage 224 has a first outlet 2241 at the side 221 for connecting to an external outlet line, and a second port 2242 at the top surface 222 communicating with the housing outlet 21112, so that the outlet passage 224 communicates with the housing outlet 21112 via the top surface 222. A working fluid flows into the condenser tube unit 21 through the inflow passage 223, and flows out of the outflow passage 224 after passing through the condenser tube unit 21.

A heat sink unit 23 including a plurality of heat dissipating fins 231 spaced apart from each other is disposed below the condenser tube unit 21, and a heat sink top surface 2311 is connected to or in contact with the bottom 2111 of the flat plate type housing 211 at the upper side of the plurality of heat dissipating fins 231, and the heat sink top surface 2311 is provided with a step portion 2312 for placing the channel seat 22, so that the channel seat 22 is sandwiched between the bottom 2111 of the flat plate type housing 211 and the heat sink top surface 231.

Please refer to fig. 3A for the sectional view of fig. 2A taken along the line 3A-3A; FIG. 3B is a schematic view of the cross-section line 3B-3B of FIG. 2C; FIG. 3C is a schematic view of the cross-section line 3C-3C of FIG. 2C. As shown in fig. 3A to 3C, with reference to fig. 2A to 2B, the condenser tube unit 21 defines an inner space 212 therein, the inner space 212 is surrounded by the flat-plate type housing 211, that is, the inner space 212 is surrounded by the bottom portion 2111 and the top portion 2112 and the two

side portions

2113 and 2114, and the inner space 212 is located between the first open end 213 and the second open end 214. The inner space 212 is provided with a plurality of first flow passages 2121, a plurality of second flow passages 2122, and a return flow passage 2123 for a working fluid to flow. The plurality of first flow channels 2121 and the plurality of second flow channels 2122 extend from the first open end 213 to a position adjacent to the second open end 214, and are parallel to a longitudinal direction X of the flat housing 211. A partition 2124 is disposed between the first flow channels 2121 and the second flow channels 2122 and protrudes from the bottom 2111 to abut against the top 2112 to isolate each first flow channel 2121 and each second flow channel 2122 from each other and prevent the working fluid from flowing to different flow channels. The single return flow channel 2123 is disposed between the second open end 214 and the plurality of first flow channels 2121 and the plurality of second flow channels 2122, and is parallel to a short direction Y of the flat housing 211 and adjacent to the convex surface 2161 of the second cover 216 at the second open end 214.

In detail, the plurality of first flow channels 2121 of the inner space 212 communicate with the housing inlet 21111 and the return flow channel 2123 to serve as an inflow channel; the second flow passages 2112 communicate with the housing outlet 21112 and the return flow passage 2123 to serve as an outflow flow passage; the reflux channel 2123 is connected to the plurality of first channels 2121 and the plurality of second channels 2122 as a serial channel between the inflow channel and the outflow channel. And the number of the plurality of first flow passages 2121 is greater than that of the plurality of second flow passages 2112, so as to ensure a larger inflow range or area of the working fluid flowing into the condenser tube unit 21, and to dissipate heat by heat exchange with the radiator unit 23 via the bottom 2111 of the plate-shaped housing 211. Furthermore, the number of the first flow channels 2121 is greater than that of the second flow channels 2122, so that the first flow channels 2121 are the majority and the second flow channels 2122 are the minority. With this arrangement, the working fluid having a higher temperature just entering the condenser unit 21 has a larger heat exchange range or heat exchange area to exchange heat with the radiator unit 23 through the plurality of first flow channels 2121 for heat dissipation, and then the working fluid after temperature reduction is converged into the single return flow channel 2123, and is continuously reduced in temperature while flowing through the plurality of second flow channels 2122 from the return flow channel 2123, so as to ensure that the temperature of the working fluid flowing out of the condenser unit 21 is reduced to a desired temperature.

The first port 2232 and the second port 2242 of the channel seat 22 are parallel to the short direction Y of the tablet housing 211, and the first port 2232 is a strip port, and the second port 2242 is a short port, so as to cooperate with the plurality of first flow channels 2121 and the plurality of second flow channels 2122.

Furthermore, the first open end 213 and the second open end 214 of the plate-shaped housing 211 are parallel to the short direction Y of the plate-shaped housing, and the first cover 215 sealed at the first open end 213 seals one end of the plurality of first flow channels 2121 and one end of the plurality of second flow channels 2122 at the first opening 213 by abutting against the convex surface 2151 thereof, so as to prevent the working fluid from flowing through one end of the plurality of first flow channels 2121 and one end of the plurality of second flow channels 2122 at the first opening 213, and to promote the working fluid to flow as shown by the arrows in fig. 3B.

Therefore, when the working fluid with heat flows into the inner space 212 of the condenser tube unit 21 from the inflow channel 223 through the first port 2232 of the channel seat 22 and the shell inlet 21111 of the flat plate type housing 211, the working fluid flows along the plurality of first flow channels 2121 from the first open end 213 to the second open end 214 as shown by arrows in fig. 3B, and then flows together with the return flow channel 2123; flows from the return flow passage 2123 to the plurality of second flow passages 2122, flows along the plurality of second flow passages 2122 from the second open end 214 to the first open end 213, flows out of the condenser tube unit 21 from the plurality of second flow passages 2122 through the housing outlet 21112 of the flat housing 211 and the second port 2242 of the channel seat 22, and flows out of the channel seat 22 along the outflow channel 224. The working fluid exchanges heat with the heat sink unit 23 through the bottom 2111 of the flat plate type housing 211 during the flowing process of the plurality of first flow channels 2121, the plurality of second flow channels 2122 and the backflow flow channel 2232, so that the working fluid passing through the condenser tube unit 21 is cooled, and the cooled working fluid can flow back to an external heat-generating end to take away heat of the heat-generating end.

By means of the structure, the invention is composed of fewer parts, so that the structure is simple, and the manufacturing process is simple and convenient. And the condenser unit 21 is a flat plate type housing 211 integrally formed with the plurality of first flow channels 2121, the plurality of second flow channels 2122 and the backflow flow channel 2123 in the inner space 212, which not only reduces the welding area but also prevents liquid leakage and ensures airtightness, thereby improving the heat conduction performance and the structural strength compared with the prior art.

The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the present invention should also be covered by the scope of the present invention.

Claims

1. A condensing structure, comprising:

2. A condensing structure as in claim 1, wherein: the plurality of first flow channels and the plurality of second flow channels extend from the first open end to a position adjacent to the second open end and parallel to a long direction of the flat plate type shell, and the backflow flow channels are arranged between the second open end and the plurality of first flow channels and the plurality of second flow channels and parallel to a short direction of the flat plate type shell.

3. A condensing structure as in claim 1, wherein: a partition wall is arranged between the first flow passages and between the second flow passages, and the partition walls protrude from the bottom to the top.

4. A condensing structure as in claim 1, wherein: the inflow channel of the channel seat is provided with a first inlet and a first interface, the first inlet is positioned on the side surface, and the first interface is positioned on the top surface and is communicated with the inlet of the shell; the outflow channel of the channel seat is provided with a first outlet and a second interface, the first outlet is positioned on the side surface, and the second interface is positioned on the top surface and is communicated with the outlet of the shell.

5. A condensing structure as in claim 4, wherein: the first interface has at least two ends, and the two ends are respectively provided with a limit convex body for inserting the shell inlet.

6. A condensing structure as in claim 1, wherein: the first sealing cover is provided with a convex surface which seals the plurality of first flow passages and the plurality of second flow passages from the first opening end to one end of the first opening.

7. A condensing structure as in claim 1, wherein: a radiator unit is arranged below the condenser tube unit, the radiator unit is provided with a radiator top surface, the radiator top surface is connected with or contacted with the bottom of the flat plate type shell, the radiator top surface is provided with a step part for placing the channel seat, and the channel seat is clamped between the bottom of the flat plate type shell and the radiator top surface.

8. A condensing structure as in claim 1, wherein: the bottom and the top are between the first open end and the second open end, and the housing inlet and the housing outlet of the bottom are adjacent to the first open end.

9. A condensing structure as in claim 1, wherein: the number of the flow channels of the plurality of first flow channels is more than that of the flow channels of the plurality of second flow channels.

10. A condensing structure as in claim 1, wherein: the flat plate type shell defines two lateral parts which are respectively connected with the two outermost sides of the bottom part and the top part.