CN219978813U - Air tightness device of computer heat pipe assembly - Google Patents

Abstract

The utility model discloses an airtight device of a computer heat pipe assembly, which comprises a shell and a heat pipe assembly, wherein the back of the shell is inwards recessed to form a first cavity and a second cavity for installing a first fan and a second fan, one end of the heat pipe assembly is connected to a heat dissipation device, the other end of the heat pipe assembly penetrates through the wall of the cavity and is connected to the first fan or the second fan, a sealing piece is arranged at the joint of the heat pipe assembly and the shell wall, and the sealing piece is fixed at the joint and sleeved on the heat pipe assembly and is in interference fit with the heat pipe assembly. According to the utility model, the shell is inwards recessed to form the cavity, the heat pipe assembly penetrates through the cavity wall, and the sealing piece is arranged at the joint of the heat pipe assembly and the cavity wall, so that the traditional heat pipe assembly rotating and matching mode is replaced, the tightness is ensured, and the weight of the computer is not increased.

Description

Air tightness device of computer heat pipe assembly

Technical Field

The utility model relates to the technical field of fully reinforced computer air tightness, in particular to an air tightness device of a computer heat pipe assembly.

Background

The fully reinforced computer is deployed in severe environments and needs to have the capability of adapting to various complex severe environments, such as rain protection, salt spray, mould and the like. Along with the development of informatization construction, the requirements on the functions and the performances of the fully-reinforced computer are higher and higher, so that the power consumption of the fully-reinforced computer is greatly increased, the original natural heat dissipation can not meet the heat dissipation requirement of the fully-reinforced computer, and the forced air cooling heat dissipation technology is needed.

The heat dissipation system of the fully reinforced computer is mostly composed of a heat pipe assembly and a fan, and the heat of heat dissipation devices such as a CPU (Central processing Unit), a GPU (graphics processing Unit) and the like is guided to an air outlet through the heat pipe assembly, so that the heat is rapidly dissipated into the air. The fan needs to be arranged outside the machine body, the functional circuit board such as the main board and the like needs to be arranged inside the closed machine body, and therefore the contact part of the heat pipe component and the radiating device is arranged inside the closed machine body, and the contact part of the heat pipe component and the fan is arranged on the machine body, so that the heat pipe component needs to be subjected to sealing design.

In the present day, heat pipe assembly sealing is typically performed at the point of contact with the heat sink. If the heat pipe assembly is externally arranged, an independent cavity is additionally arranged on the back of the machine body and used for placing the heat pipe assembly and the fan, and a layer of cover plate is covered on the outer layer. The method not only leads to the weight increase of the fully-reinforced computer, but also is unfavorable for the light and thin development of equipment; meanwhile, due to multiple assembly, the cover plate cannot be in good contact with the heat pipe assembly, so that the contact thermal resistance of the cover plate and the heat pipe assembly is increased, and the heat dissipation capacity of the fully-reinforced computer is reduced. If the heat pipe assembly is arranged in the air inlet, the heat pipe assembly is sealed by glue filling at the air outlet. The glue filling is usually carried out in a manual glue dispensing mode, but the manual glue dispensing often leads to uncontrollable glue dispensing quantity and poor operation consistency. If the dispensing amount is small, the periphery of the perforation of the heat pipe assembly is not completely sealed, so that the air tightness is invalid; if the dispensing amount is too large, the sealant is accumulated around the perforation of the heat pipe assembly and overflows, and the attractive appearance is poor.

Disclosure of Invention

Based on the above, the present utility model aims to provide an airtight device for a heat pipe assembly of a computer, which aims to solve the problem that the heat pipe assembly is difficult to assemble at present.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the utility model provides a computer heat pipe assembly's gas tightness device, includes casing and heat pipe assembly, the casing back inwards caves in and forms first cavity and second cavity to be used for installing first fan and second fan, the one end of heat pipe assembly is connected to radiator, and the other end passes the cavity wall and is connected to first fan or second fan, the heat pipe assembly with the junction of casing wall is equipped with a sealing member, the sealing member is fixed in junction and cover are located on the heat pipe assembly, and with heat pipe assembly interference fit.

In summary, according to the airtight device of the heat pipe assembly of the computer, the casing is recessed inwards to form the cavity, the heat pipe assembly penetrates through the wall of the cavity, and the sealing piece is arranged at the joint of the heat pipe assembly and the wall of the cavity, so that the traditional heat pipe assembly is replaced by a rotating and matching mode, the tightness is ensured, and meanwhile, the weight of the computer is not increased. Specifically, the air tightness device of the computer heat pipe assembly comprises a shell and the heat pipe assembly, wherein the shell is inwards sunken to form a first cavity and a second cavity for installing a first fan and a second fan, one end of the heat pipe assembly is connected to an internal heat dissipation device of the computer, the other end of the heat pipe assembly penetrates through the wall of the cavity and is connected to the first fan and the second fan, a sealing piece is arranged on the wall of the cavity and is fixed on the wall of the cavity, and the caliber of the sealing piece is slightly smaller than the diameter of the heat pipe assembly, so that when the heat pipe assembly penetrates through the sealing piece, the sealing piece is in interference fit with the heat pipe assembly, and a preset sealing effect is achieved.

Further, one end of the sealing element extends out of an L-shaped clamping part, and the L-shaped clamping part is used for being clamped on the wall of the machine shell.

Further, the inner wall of the sealing element is provided with an inner bevel, the outer wall of the sealing element is provided with an outer bevel, the inner bevel is used for guiding and assembling the heat pipe assembly in the sealing element, and the outer bevel is used for guiding and installing the sealing element on the casing wall.

Further, the heat pipe assembly comprises a first heat pipe, a second heat pipe and a third heat pipe, wherein the first heat pipe, the second heat pipe and the third heat pipe are respectively provided with a heating end and a condensing end.

Further, the heating ends of the first heat pipe and the second heat pipe are fixed on a first heat conducting plate, the condensing end of the first heat pipe is fixed on a first radiating fin, the condensing end of the second heat pipe and the heating end of the third heat pipe are arranged on a second radiating fin, and the condensing end of the third heat pipe is fixed on the heat conducting plate.

Further, a first elastic pressing sheet and a second elastic pressing sheet are respectively arranged on the first heat conducting plate and the second heat conducting plate, a first heat conducting gel layer and a second heat conducting gel layer are respectively arranged on the first heat radiating fin and the second heat radiating fin, and the elastic pressing sheets and the gel layers are used for fixing the heat pipe assembly.

Further, a gasket and a pressing plate are arranged on one side, provided with the clamping part, of the sealing element, and the gasket is arranged between the sealing element and the pressing plate.

Further, one end of the pressing plate abuts against the gasket, and a wedge-shaped surface and a through hole are formed in one end, away from the gasket, of the pressing plate.

Further, the pressure plate is fixed to the casing by a screw, and the pressure plate pushes the gasket to press the sealing element into the casing wall.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1, 2 and 3 are schematic structural views of an airtight device according to an embodiment of the present utility model;

FIGS. 4 and 5 are schematic structural views of a heat pipe assembly;

FIG. 6 is an assembled block diagram of a heat pipe assembly;

FIG. 7 is an assembled cross-sectional view of a heat pipe assembly;

FIG. 8 is a schematic structural view of a seal;

fig. 9 is a schematic structural view of the platen.

Description of the drawings element symbols:

the heat pipe assembly comprises a first cover plate 1, a second cover plate 2, a first fan 3, a second fan 4, a casing 5, a first cavity 51, a second cavity 52, a sealing groove 53, a heat pipe through hole 54, a yielding groove 55, a tightening threaded hole 56, a casing wedge surface 57, a heat pipe assembly 6, a first heat pipe 61, a second heat pipe 62, a third heat pipe 63, a first heat radiating fin 64, a second heat radiating fin 65, a first heat conducting plate 66, a second heat conducting plate 67, a first elastic pressing piece 68, a second elastic pressing piece 69, a first heat conducting gel layer 610, a second heat conducting gel layer 611, a first foil-shaped liquid metal 612, a second foil-shaped liquid metal 613, a sealing piece 7, an L-shaped clamping portion 71, an inner wall 72, an outer wall 73, an inner bevel 74, an outer bevel 75, a gasket 8, a pressing plate 9, a wedge surface 91, a U-shaped through hole 92 and a tightening surface 93.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-9, an airtight device for a heat pipe assembly of a computer according to an embodiment of the present utility model is shown, including a casing 5 and a heat pipe assembly 6, a first fan 3 and a second fan 4 are installed on the back of the casing 5, a first cover plate 1 and a second cover plate 2 are respectively covered on the first fan 3 and the second fan 4, the heat pipe assembly 6 is installed inside the casing 5, the heat pipe assembly 6 penetrates through a wall of the casing 5, a part of the heat pipe assembly 6 is disposed inside the casing, and another part of the heat pipe assembly 6 is disposed in a back cavity of the casing.

The heat pipe assembly 6 includes a first heat pipe 61, a second heat pipe 62, and a third heat pipe 63. A first foil-shaped liquid metal 612 is arranged on the heating end of the first heat pipe 61, the first foil-shaped liquid metal 612 is adhered to the first heat conducting plate 66, a first heat conducting gel layer 610 is arranged on the condensing end of the first heat pipe 61, and the first heat conducting gel layer 610 is adhered to the first radiating fin 64; a first foil-shaped liquid metal 612 is arranged on the heating end of the second heat pipe 62, the first foil-shaped liquid metal 612 is adhered to the first heat conducting plate 66, a second heat conducting gel layer 611 is arranged on the condensing end of the second heat pipe 62, and the second heat conducting gel layer 611 is adhered to the second radiating fin 65; the heating end of the third heat pipe 63 is provided with a second foil-shaped liquid metal 613, the second foil-shaped liquid metal 613 is adhered to the second heat conducting plate 67, the condensing end of the third heat pipe 63 is provided with a second heat conducting gel layer 611, and the second heat conducting gel layer 611 is adhered to the second heat radiating fin 65.

Further, the first heat conducting plate 66 is connected with the first heat pipe 61 and the second heat pipe 62 through the first elastic pressing piece 68, the first elastic pressing piece 68 is bent by 65Mn steel, and a specific heat treatment process is performed, so that the elasticity is excellent, and the first heat pipe 61 and the second heat pipe 62 are improved to be in good contact with the first heat conducting plate 66. The second heat conducting plate 67 is connected with the third heat pipe 63 through the second elastic pressing piece 69, the second elastic pressing piece 69 is bent by 65Mn steel, and a specific heat treatment process is performed, so that the elasticity is excellent, and the good contact between the third heat pipe 63 and the second heat conducting plate 67 is improved.

The first foil-shaped liquid metal 612 and the second foil-shaped liquid metal 613 are various thin film liquid metal materials, have extremely high heat transfer coefficient, strong oxidation resistance, excellent compressibility and flexibility, and have excellent chemical compatibility with aluminum/copper heat sink materials. Therefore, the first foil-shaped liquid metal 612 is filled in the gaps between the first heat pipe 61, the second heat pipe 62 and the first heat conducting plate 66, the second foil-shaped liquid metal 613 is filled in the gaps between the third heat pipe 63 and the second heat conducting plate 67, and when the fully reinforced computer works, the first foil-shaped liquid metal 612 and the second foil-shaped liquid metal 613 are melted or have increased fluidity, so that the first heat pipe 61, the second heat pipe 62 and the first heat conducting plate 66 are tightly combined, the third heat pipe 63 and the second heat conducting plate 67 are tightly combined, and the heat dissipation efficiency is improved.

The first conductive gel layer 610 and the second conductive gel layer 611 have the advantages of large tolerance, high compression ratio, small residual stress, good insulation performance and low contact thermal resistance. The first heat conductive gel layer 610 can be filled in the gap between the first heat pipe 61 and the first heat sink 64 to increase the speed at which heat is conducted to the first heat sink 64. The second heat conductive gel layer 611 can be filled in gaps between the second heat pipe 62, the third heat pipe 63, and the second heat sink 65 to increase the speed at which heat is conducted to the second heat sink 65.

In order to avoid multiple assembly and the development of light and thin equipment, the casing 5 is recessed inward to form a first cavity 51 and a second cavity 52. The first cavity 51 is provided with a first fan 3 and a second cooling fin 65, and the first fan 3 works to dissipate heat conducted to the second cooling fin 65 by a heat source. The second chamber 52 is provided with a second fan 4 and a first heat sink 64, and the second fan 4 operates to dissipate heat conducted from the heat source to the first heat sink 64.

The heat pipe assembly 6 passes through at least three walls of the casing 5, and is illustrated as three of the at least one wall-passing heat pipes, namely, the first heat pipe 61, the second heat pipe 62 and the third heat pipe 63. The first heat pipe 61 is sleeved into the sealing piece 7 at the threading wall, one end of the sealing piece 7 is installed on the machine shell 5, the other end is provided with a gasket 8, the gasket 8 is provided with a pressing plate 9, and the pressing plate 9 is pressed and fixed on the machine shell 5.

Further, the sealing element 7 is made of silicon rubber material, the shore hardness is 45 degrees, and the sealing element 7 is sleeved at the position of the first heat pipe 61 near the condensing end. The sealing device is arranged on the shell 5, the L-shaped clamping part 71 is arranged in the sealing groove 53, the height of the L-shaped clamping part 71 is 0.2mm deeper than the depth of the sealing groove 53, and after the L-shaped clamping part 71 is compressed by 30%, the sealing effect is achieved. The sealing member 7 is provided with an inner wall 72, the external dimension of the inner wall 72 is smaller than that of the first heat pipe 61 by 0.2mm, and after the first heat pipe 61 is sleeved in, the inner wall 72 can be expanded to play a role in sealing. The outer wall 73 passes through the heat pipe through hole 54, the overall dimension of the outer wall 73 is smaller than that of the heat pipe through hole 54, the outer wall 73 and the heat pipe through hole 54 are in clearance fit, an outer bevel angle 75 is arranged on the sealing element 7, and the sealing element 7 plays a guiding role in installation and is convenient to assemble.

One side of the sealing member 7 is provided with a gasket 8, one end of the pressing plate 9 is provided with a fastening surface 93, and the other end is provided with a wedge surface 91. The fastening surface 93 is connected to the washer 8, the wedge surface 91 is connected to the casing wedge surface 57, a U-shaped hole 92 is provided in the middle of the pressing plate 9, and the casing 5 is provided with a fastening screw hole 56 at a position corresponding to the U-shaped hole 92. The holding screw passes U-shaped hole 92 and locks in tight screw hole 56, and holding screw when locking, holding down plate 9 can receive holding screw in vertical direction pressure, on the casing wedge face 57 through wedge face 91 conduction, wedge face 91 is 45 inclined planes with casing wedge face 57, casing wedge face 57 can receive the pressure of a 45 orientation, according to Newton's third law, casing wedge face 57 can provide holding down plate 9 a counter force, conduction to holding down plate 93 department can become a horizontal direction effort, compress tightly packing ring 8 to with L type joint portion 71 completely impress into seal groove 53.

For mounting the seal 7, the housing 5 is provided with a relief groove 55. The sealing element 7 is an elastic element, and when being stressed and compressed, the sealing element 7 deforms towards all directions, so that the deformation of the sealing element 7 in the downward direction can be accommodated by the yielding groove 55, and the phenomenon of tilting and the like at the joint with the casing 5 is avoided. The sealing element 7 and the heat pipe assembly 6 are radial seals, the sealing element 7 and the casing 5 are end face seals, the sealing positions do not interfere with each other, the sealing positions are independent of each other, the sealing positions are not affected by each other in installation, and the sealing reliability is improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model, and are described in detail, but are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. The utility model provides a computer heat pipe assembly's gas tightness device, its characterized in that includes casing and heat pipe assembly, the casing back inwards caves in and forms first cavity and second cavity to be used for installing first fan and second fan, the one end of heat pipe assembly is connected to radiator, and the other end passes the cavity wall and is connected to first fan or second fan, the heat pipe assembly with the junction of casing wall is equipped with a sealing member, the sealing member is fixed in junction and cover are located on the heat pipe assembly, and with heat pipe assembly interference fit.

2. The air-tight device of claim 1, wherein one end of the sealing member extends out of an L-shaped clamping portion, and the L-shaped clamping portion is configured to be clamped to a wall of the enclosure.

3. The air-tight apparatus of claim 2, wherein the inner wall of the sealing member is provided with an inner bevel, the outer wall of the sealing member is provided with an outer bevel, the inner bevel is used for guiding the heat pipe assembly to be assembled in the sealing member, and the outer bevel is used for guiding the sealing member to be installed on the casing wall.

4. A gas tightness device of a computer heat pipe assembly according to claim 3 wherein the heat pipe assembly comprises a first heat pipe, a second heat pipe and a third heat pipe, each provided with a heating end and a condensing end.

5. The vapor sealing device of claim 4, wherein the heating ends of the first and second heat pipes are secured to a first heat-conducting plate, the condensing end of the first heat pipe is secured to a first heat sink, the condensing end of the second heat pipe and the heating end of the third heat pipe are disposed on a second heat sink, and the condensing end of the third heat pipe is secured to the heat-conducting plate.

6. The air-tight apparatus of claim 5, wherein the first and second heat conductive plates are provided with first and second elastic pressing pieces, respectively, and the first and second heat dissipation plates are provided with first and second heat conductive gel layers, respectively, for fixing the heat pipe assembly.

7. The air-tightness device of a heat pipe assembly of a computer according to claim 1, wherein a gasket and a pressing plate are arranged on one side of the sealing member provided with the clamping portion, and the gasket is arranged between the sealing member and the pressing plate.

8. The air-tight apparatus of claim 7, wherein one end of the pressure plate abuts the gasket, and the end remote from the gasket is provided with a wedge surface and a through hole.

9. The air-tight apparatus of claim 8, wherein the pressure plate is secured to the housing by a screw, the pressure plate pushing the gasket to press the seal against the housing wall.