TWI606225B - Vapor chamber having telescopic capillary structure - Google Patents

Description

Mean temperature plate structure with retractable capillary structure 【0001】

The present invention relates to a plate heat exchanger, and more particularly to a temperature equalizing plate structure having a retractable capillary structure.

【0002】

According to the rapid development of the computer industry, many electronic heating components used in computers, such as CPUs of computers, or GPU chips of display cards, have become relatively hot due to the improvement of processing efficiency. In technology, there are many issues that need to be overcome.

[0003]

In addition, in order to meet the needs of heat dissipation or heat transfer, it is also an indispensable important technology to provide multiple heat sources for heat dissipation or heat transfer, especially in the high and low positions of multiple heating elements. The heat-receiving surface provided by the heat-dissipating or heat-transfer element for contact also needs to be adjusted with different height positions. In the past, when solving this problem, it is generally tailor-made, that is, a single-size heat-dissipating or heat-transfer component, which can only be applied to the corresponding electronic products, once any heating element in the electronic product is at a height. Changes or adjustments made to the location, the heat or heat transfer components of this specification are not applicable and must be re-tailored. Furthermore, although it is possible to provide a heat-dissipating operation such as heat dissipation or heat transfer by a plurality of heat-generating elements, it is not possible to ensure that the internal working fluid is reflowed due to diversification of the application, and thus it is easy to cause problems such as dry burning and the like. The heat transfer efficiency of the warm plate or the stability of the work even loses the heat transfer effect.

[0004]

In view of the above, the present inventors have made an effort to improve and solve the above-mentioned shortcomings, and have devoted themselves to research and cooperate with the application of the theory, and finally proposed a present invention which is reasonable in design and effective in improving the above-mentioned defects.

[0005]

The main object of the present invention is to provide a temperature equalizing plate structure with a retractable capillary structure, which can be used to adjust the heating surface when contacting the heating elements, and to ensure the temperature equalizing plate. The internal working fluid can be effectively recirculated to avoid the occurrence of dry burning and other effects that affect the heat transfer of the isothermal plate.

[0006]

In order to achieve the above object, the present invention provides a temperature equalizing plate structure having a retractable capillary structure, comprising a plate-shaped casing, a telescopic heat-receiving member, and a multi-section capillary member; wherein the plate-shaped casing is hollow inside Forming a chamber, and the plate-shaped housing has a bottom, and a through hole communicating with the chamber is disposed on the bottom portion, and the inside of the telescopic heat-receiving member is hollow and opposite to the bottom of the plate-shaped housing, and the plate-shaped shell The through hole of the body is sealed and connected to the chamber, and the multi-section capillary member comprises a plurality of capillary detail tubes which are connected to each other and sequentially connected between the telescopic heat-receiving member and the interior of the plate-shaped housing.

[0024]

<present invention>

[0025]

1‧‧‧plate shell

[0026]

10‧‧‧ Lower board

[0027]

100‧‧‧ bottom

[0028]

101‧‧‧through hole

[0029]

11‧‧‧Upper board

[0030]

12‧‧‧ chamber

[0031]

120‧‧‧bred layer

[0032]

2‧‧‧Flexible heat-receiving parts

[0033]

20‧‧‧heated plate

[0034]

200‧‧‧bred layer

[0035]

21‧‧‧ telescopic tube

[0036]

210‧‧‧Deformation Tube Department

[0037]

211‧‧‧ first port

[0038]

212‧‧‧Second port

[0039]

22‧‧‧Flexible components

[0040]

3‧‧‧Multi-section capillary

[0041]

30‧‧‧Mao detail tube

[0042]

300‧‧‧Connecting holes

[0043]

31‧‧‧Mao detail tube

[0044]

4, 4', 4" ‧ ‧ heating elements

【0007】

Figure 1 is a perspective view of the appearance of the present invention.

[0008]

Figure 2 is a partial cross-sectional view showing the internal structure of the present invention.

【0009】

Figure 3 is an enlarged detail of a portion A of Figure 2.

[0010]

Figure 4 is a schematic illustration of the internal cross-section of the present invention in use in an upright position.

[0011]

Figure 5 is an enlarged detail view of part B of Figure 4.

[0012]

Figure 6 is a partially enlarged detail view of another embodiment of the present invention.

[0013]

The detailed description of the present invention and the accompanying drawings are to be understood by the accompanying claims .

[0014]

Please refer to FIG. 1 and FIG. 2 , which are respectively a perspective view of the appearance of the present invention and a partial cross-sectional view of the internal structure thereof. The present invention provides a temperature equalizing plate structure having a retractable capillary structure for helping a heat exchange element such as a CPU of a computer or a GPU chip of a display card (i.e., as shown in FIG. 4) to provide heat exchange, and It can be applied to the case where the plurality of heating elements 4 are respectively at different high and low contact surfaces, or the single heating element 4 is limited by the height of the peripheral electronic components and is not easily contacted therewith, and the inside thereof can be ensured. The working fluid can be effectively refluxed to avoid the occurrence of dry burning and other effects that affect the heat transfer of the uniform temperature plate. The temperature equalizing plate structure comprises a plate-shaped casing 1, a telescopic heat-receiving member 2, and a multi-section capillary member 3; wherein:

[0015]

Referring to FIG. 3 together, the plate-shaped casing 1 is hollow and sealed inside. In the embodiment of the present invention, the plate-shaped housing 1 can be formed by the lower plate 10 and an upper plate 11 being closed, and a lower plate 10 and an upper plate are formed inside the plate-shaped housing 1 . The chamber 12 between the 11 is filled with a suitable amount of working fluid (not shown) and sealed, and a capillary layer 120 may be disposed on the inner wall of the chamber 12, and the capillary layer 120 may be metal. Mesh or sintered powder.

[0016]

Referring to FIG. 4 and FIG. 5 together, the present invention further includes the above-mentioned multi-section capillary member 3 in addition to the expansion-contracting heat-receiving member 2 which can flexibly deform the height position of the heating element 4 on the temperature equalizing plate. To ensure that the working fluid inside the temperature equalizing plate can be effectively recirculated, for example, in an upright state as shown in FIG. The telescopic heat-receiving member 2 can be disposed according to the position of the corresponding heat-generating component 4, and the number is increased to a plurality, but the number is at least one, and the multi-section capillary member 3 is correspondingly disposed on the telescopic heat-receiving member 2 In particular, it means between the telescopic heat receiving member 2 and the inside of the plate-like casing 1.

[0017]

As described above, the telescopic heat-receiving member 2 is hollow and sealingly connected to the outside of the bottom portion 100 of the plate-shaped casing 1 to communicate with the chamber 12 of the plate-shaped casing 1. In the embodiment of the present invention, the telescopic heat receiving member 2 may include a heat receiving plate 20 and an inner hollow tube 21, and the outer surface of the heat receiving plate 20 is for contacting the upper surface of the heat generating component 4, A preferred method is to apply an appropriate amount of a heat transfer medium, such as a thermal paste, between the heat receiving plate 20 and the heat generating component 4. In addition, the inner surface of the heat receiving plate 20 may also be covered with a capillary layer 200, and the capillary layer 200 may still be a metal mesh or a sintered powder. The telescopic tube 21 can be a flexible or elastic surrounding closed tubular body, and the flexible tube body can be, for example, a bellows tube, and the elastic tube body can be a spring tube or the like. The telescopic tube 21 has a deformed tube portion 210 that can be lengthened (lengthened or shortened) by telescopic expansion, and a first port 211 and a second port 212 respectively formed at two ends of the deformed tube portion 210. The first port 211 is provided on the heat receiving plate 20 of the expansion and contraction heat receiving member 2, so that the heat receiving plate 20 is sealed and connected to the first port 211 to be closed; The bottom portion 100 of the lower plate 10 is provided with a through hole 101 communicating with the cavity 12, and the second port 212 is sealingly connected with the through hole 101. The number of the through holes 101 is also determined by the number of the telescopic heat-receiving members 2. The corresponding setting for one.

[0018]

The multi-section capillary member 3 is formed by the plurality of capillary detail tubes 30, 31 being movably coupled to each other, and sequentially connected between the telescopic heat-receiving member 2 and the interior of the plate-shaped casing 1 to change the length with the telescopic heat-receiving member 2. In this case, the multi-section capillary member 3 can also be engaged in the interior of the telescopic heat-receiving member 2 by the mutual engagement of the respective capillary detail tubes 30, 31. In the embodiment of the present invention, the capillary detail tubes 30, 31 can be a first capillary detail tube 30 and a second capillary detail tube 31, respectively, wherein the first capillary detail tube 30 has a The connecting hole 300 can be a through hole penetrating the first capillary detail tube 30 or a blind hole not penetrating the first capillary detail tube 30, and the second capillary detail tube 31 is inserted into the connection hole. The first and second hair detail tubes 30, 31 are engaged with each other within 300. Further, the first capillary detail tube 30 is disposed on the inner surface of the heat receiving plate 20 of the telescopic heat receiving member 2, and is coupled to the capillary layer 200 on the inner surface of the heat receiving plate 20, and the second capillary detail tube 31 is disposed on the plate shape. The inner wall of the plate 11 above the casing 1.

[0019]

Therefore, by the above-described structural composition, the uniform temperature plate structure of the present invention having the retractable capillary structure can be obtained.

[0020]

Accordingly, as shown in FIG. 4 and FIG. 5, the telescopic heat-receiving member 2 of the present invention can be deformed by the flexibility or elasticity of the telescopic tube 21, so that the heat-receiving plate 20 of each of the telescopic heat-receiving members 2 can be adapted to different heights. Since the low-position heating elements 4, 4', 4" are in contact with each other, the single temperature equalizing plate can be applied to provide heat exchange for the plurality of heating elements 4, 4', 4". At the same time, the present invention mainly engages the telescopic heat receiving portion 2 through the multi-section capillary member 3 in the non-horizontal use state of the temperature equalizing plate, such as erecting, and is surely engaged with the telescopic heat receiving member 2 and the inside of the plate-shaped housing 1 . In order to ensure that the working fluid inside the temperature equalizing plate can be effectively returned to the capillary layer 200 at the heat receiving plate 20 of the telescopic heat receiving member 2, the working fluid can be prevented from flowing back due to external factors such as gravity, thereby preventing the temperature in the uniform temperature plate. A dry burning problem occurs to maintain its proper heat transfer.

[0021]

Further, as shown in FIG. 6, in order to further increase the contact between the heat receiving plate 20 of the telescopic heat receiving member 2 and the surface of the heat generating component 4, the elastic heat insulating member 2 is provided with a elasticity for pushing the heat receiving plate 20 outward. The elastic member 22 can be a compression spring, one end of which is pushed against the inner surface of the heat receiving plate 20 or the capillary layer 200 of the heat receiving plate 20, and the other end can be abutted against the cavity 12 of the plate-shaped housing 1. The wall, as in the upper plate 11, further increases the contact effect between the heat receiving plate 20 and the surface of the heat generating element 4 by the elastic force provided by the elastic member 22.

[0022]

In summary, the present invention can achieve the intended use purpose, and solve the lack of the conventional, and because of the novelty and progress, fully meet the requirements of the invention patent application, and apply according to the patent law, please check and The patent in this case is granted to protect the rights of the inventor.

[0023]

However, the above description is only a preferred embodiment of the present invention, and thus the scope of the present invention is not limited thereto, and the equivalent techniques and means, etc., which are used in the description of the present invention and the contents of the drawings, are the same. It is included in the scope of the present invention and is combined with Chen Ming.

1‧‧‧plate shell

10‧‧‧ Lower board

100‧‧‧ bottom

101‧‧‧through hole

11‧‧‧Upper board

12‧‧‧ chamber

120‧‧‧bred layer

2‧‧‧Flexible heat-receiving parts

20‧‧‧heated plate

200‧‧‧bred layer

21‧‧‧ telescopic tube

210‧‧‧Deformation Tube Department

211‧‧‧ first port

212‧‧‧Second port

3‧‧‧Multi-section capillary

30‧‧‧Mao detail tube

31‧‧‧Mao detail tube

4‧‧‧heating components

Claims (12)

A temperature equalizing plate structure having a retractable capillary structure, comprising: a plate-shaped casing having a hollow interior to form a chamber, and the plate-shaped casing has a bottom on which at least one cavity is provided a through hole communicating with the chamber; a telescopic heat-receiving member having a hollow interior and located outside the bottom of the plate-shaped casing, and being in sealing connection with the through-hole of the plate-shaped casing to communicate with the chamber; and a plurality of sections The capillary member comprises a plurality of capillary detail tubes which are connected to each other and are connected between the telescopic heat-receiving member and the interior of the plate-shaped housing through the through holes. The uniform temperature plate structure of the retractable capillary structure according to claim 1, wherein the plate-shaped casing is formed by covering a lower plate and an upper plate, and the chamber is formed on the lower plate. Between the upper plate and the upper plate. The uniform temperature plate structure of the retractable capillary structure according to claim 1, wherein the inner wall of the chamber is provided with a capillary layer. The uniform temperature plate structure of the retractable capillary structure as described in claim 1, 2 or 3, wherein the hair detailing pipe system is a first hair detail pipe and a second hair detail pipe, respectively. The first capillary detail tube has an engagement hole therein, and the second capillary detail tube is sleeved into the engagement hole to make the first and second capillary detail tubes engage with each other. The uniform temperature plate structure of the retractable capillary structure according to claim 4, wherein the connecting hole is a through hole or a blind hole. The uniform temperature plate structure of the retractable capillary structure according to the fourth aspect of the invention, wherein the telescopic heat receiving component comprises a heat receiving plate and a hollow telescopic tube, and the heat receiving plate is sealingly connected to one end of the telescopic tube. The other end of the telescopic tube is sealingly connected to the through hole of the plate-shaped housing. The uniform temperature plate structure of the retractable capillary structure according to the sixth aspect of the invention, wherein the inner surface of the heat receiving plate is provided with a capillary layer, and the first capillary detail tube is disposed on the inner surface of the heat receiving plate, and Cooperating with the capillary layer on the inner surface of the heat receiving plate. The uniform temperature plate structure of the retractable capillary structure according to claim 6, wherein the telescopic tube is a flexible or elastic surrounding closed tubular body. A uniform temperature plate structure having a retractable capillary structure as described in claim 8 wherein the flexible closed peripheral tubular system is a bellows tube. The uniform temperature plate structure of the retractable capillary structure according to Item 8 of the patent application, wherein the elastic surrounding closed tubular system is a spring tube. The uniform temperature plate structure of the retractable capillary structure according to claim 6, wherein the telescopic tube has a deformed tube portion, and a first port and a second portion respectively formed at two ends of the deformed tube portion. a port, the first port is closed by the heat receiving plate being disposed thereon, and the second port is sealingly connected to the through hole. The uniform temperature plate structure of the retractable capillary structure according to claim 6, wherein the telescopic heat receiving member is provided with an elastic member that pushes the heat receiving plate outward.