CN209279749U - A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe - Google Patents
A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe Download PDFInfo
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- CN209279749U CN209279749U CN201821712299.3U CN201821712299U CN209279749U CN 209279749 U CN209279749 U CN 209279749U CN 201821712299 U CN201821712299 U CN 201821712299U CN 209279749 U CN209279749 U CN 209279749U
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- wick structure
- porous wick
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- aluminium plate
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Abstract
The utility model discloses a kind of shell core separate type porous wick structure concurrent flow aluminothermy pipes, the hollow shell of aluminium plate, the porous wick structure being arranged in the hollow shell inner cavity of the aluminium plate, the liquid refrigerant that is filled in the hollow shell of aluminium plate including the sealing of both ends cold welding, the porous wick structure is plate-like and both ends and the sealing part of the hollow shell of aluminium plate are welded and fixed, and longitudinal array reinforcing rib of the restricted porous wick structure relative position is arranged in the hollow inner wall of tube shell of aluminium plate.Porous wick structure is separated with shell and is fabricated separately by the utility model, it is combined by simple process, it avoids the complicated technology of integral type processing and has widened the selection of the parameters such as porous wick structure material and shape, enhance the capillarity of heat pipe, improve the heat-conducting effect of aluminothermy pipe.
Description
Technical field
The utility model relates to cooling field, in particular to a kind of shell core separate type porous wick structure concurrent flow aluminothermys
Pipe reaches cooling cooling effect by the heat transfer of inside heat pipe liquid-gas phase transition.
Background technique
Concurrent flow aluminothermy pipe is the heat conducting element with superior heat conductivity energy, is the perfect combination of high efficiency and low cost.Aluminium
Flat-plate heat pipe has many merits, and light-weight, equal volume weight is only the 1/3 of copper；Thickness is thin, most thin reachable 1mm；Area
Greatly, especially suitable large area is thermally conductive, radiates；Shape is wide, is suitable for various complicated shapes；Thermally conductive fast, Equivalent Thermal Conductivities are high, temperature
Difference is small, and average temperature performance is good, no localized hyperthermia's hot spot；Pressure-bearing is big, and bearing capacity is 10 times of typical round heat pipe or more, mechanical strength
It is high.Although advantage is numerous, it is not easy the characteristics of welding because aluminium itself is oxidizable, so that production has cellular capillary wick
Aluminium flat-plate heat pipe have more highly difficult, thus cause aluminothermy pipe antigravity performance poor, application range is small.Though there is some sides at present
Formula is used to make the aluminium flat-plate heat pipe with porous wick structure, but complex process, is difficult to realize scale of mass production.
Utility model content
The purpose of this utility model is to provide a kind of shell core separate type porous wick structure concurrent flow aluminothermy pipes, are extensive
Volume production, the application range for expanding aluminium flat-plate heat pipe provide reference.
To achieve the above object, technical solution used by the utility model is as follows:
A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe, the aluminium plate hollow pipe including the sealing of both ends cold welding
Shell, the porous wick structure being arranged in the hollow shell inner cavity of the aluminium plate, the liquid being filled in the hollow shell of aluminium plate
State working medium, the porous wick structure is plate-like and both ends and the sealing part of the hollow shell of aluminium plate are welded and fixed, the aluminium
Longitudinal array reinforcing rib of the restricted porous wick structure relative position is arranged in the hollow inner wall of tube shell of plate.
Further, the hollow inner wall of tube shell upper surface of the aluminium plate, inner wall is arranged in longitudinal array reinforcing rib
Lower surface is smooth surface, and the porous wick structure is located between longitudinal array reinforcing rib and interior lower surface.
Further, between being provided with centainly between the porous wick structure upper surface and longitudinal array reinforcing rib lower surface
Gap.
Further, the gap between the porous wick structure upper surface and longitudinal array reinforcing rib lower surface is 0.1
~0.15mm.
Further, between the left and right side of the porous wick structure and the left and right side of the hollow inner wall of tube shell of aluminium plate
It is provided with certain interval.
Further, between the left and right side of the porous wick structure and the left and right side of the hollow inner wall of tube shell of aluminium plate
Gap be 1~2mm.
Further, the length at the cold welding position at the hollow shell both ends of the aluminium plate be 10~15mm, width with it is described
The equivalent width of the hollow shell of aluminium plate, with a thickness of (1/3~1/2) * h, wherein h=2b+s, b are the hollow shell of aluminium plate
Thickness, s be porous wick structure thickness.
Compared with prior art, the beneficial effects of the utility model are:
It is fabricated separately 1. porous wick structure is separated with shell, is combined by simple process, avoid integral type
The complicated technology of processing, and the selection of the parameters such as material and shape for having widened porous wick structure.
2. other than the production of shell and porous capillary liquid-sucking core needs high temperature, a whole set of manufacturing process under cryogenic into
Row, greatly diminishes the requirement to manufacturing environment condition, reduces costs.
3. the close contact of pair porous capillary liquid-sucking core and shell is by cold welding sealing function and longitudinal array reinforcing rib
Position-limiting action is completed, and the combination of the complexity such as soldering and melting welding is avoided.
4. the aluminothermy pipe internal porous capillary wick structure upper surface and left and right side are reinforced away from longitudinal array respectively
The lower surface of muscle and inner wall of tube shell side small distance, this provides additional capillary force for aluminium flat-plate heat pipe apart from sufficiently small,
Enhance heat-conducting effect.
Detailed description of the invention
Fig. 1 is the perspective view of the shell core separate type porous wick structure concurrent flow aluminothermy pipe of the utility model；
Fig. 2 is the cross-sectional view of the shell core separate type porous wick structure concurrent flow aluminothermy pipe of the utility model；
Fig. 3 is the layout drawing of shell and porous wick structure before first time cold welding；
In figure: the 1. hollow shells of aluminium plate；2. porous wick structure；3. cold welding position；4. longitudinal array reinforcing rib；5. work
Matter vapor chamber.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
Referring to figure 1, figure 2 and figure 3, a kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe, including both ends cold welding envelope
The hollow shell 1 of aluminium plate of mouth, is filled in the aluminium at the porous wick structure 2 being arranged in hollow 1 inner cavity of shell of the aluminium plate
Liquid refrigerant in the hollow shell 1 of plate, 2 material of porous wick structure can be determining according to working medium and shell material, this implementation
Example material is red copper, is formed by red copper powder sintering, and shape is plate-like and the sealing part at both ends and the hollow shell 1 of the aluminium plate
It is welded and fixed, longitudinal array that restricted 2 relative position of the porous wick structure is arranged in hollow 1 inner wall of shell of aluminium plate adds
Strengthening tendons 4.
The hollow 1 inner wall upper surface of shell of the aluminium plate is arranged in the longitudinal direction array reinforcing rib 4, and interior lower surface is
Smooth surface, it is commercial-purity aluminium that the material of the hollow shell 1 of aluminium plate, which is 1, can be made by aluminium extruded technique.The porous suction
Wick-containing 2 is located between longitudinal array reinforcing rib 4 and interior lower surface, forms working medium between the longitudinal direction array reinforcing rib 4
Vapor chamber 5.
It is provided between 0.1~0.15mm between 2 upper surface of porous wick structure and longitudinal 4 lower surface of array reinforcing rib
Gap provides capillary force effect.
1 is provided between the left and right side of the porous wick structure 2 and the left and right side of hollow 1 inner wall of shell of aluminium plate
The gap~2mm, so that porous wick structure is smoothly placed in inside shell, while with 2 upper surface of porous wick structure with
Gap between longitudinal 4 lower surface of array reinforcing rib provides capillary force effect jointly.
The cold welding position 3 at hollow 1 both ends of shell of aluminium plate is in flattening shape, the length is 10~15mm, width and institute
The equivalent width of the hollow shell 1 of aluminium plate is stated, with a thickness of (1/3~1/2) * h, wherein h=2b+s, b are that the aluminium plate is hollow
The thickness of shell 1, s are the thickness of porous wick structure 2.
Inside heat pipe liquid working substance provided in this embodiment is heated in the higher bringing-up section of heat pipe temperature and is evaporated to gas,
The lower condensation segment of temperature is condensed into liquid, and passes through 2 upper surface of porous wick structure and longitudinal 4 following table of array reinforcing rib
The left and right side of minim gap, the porous wick structure 2 between face and the left and right side of hollow 1 inner wall of shell of aluminium plate it
Between minim gap capillary force effect is provided jointly, so that working medium is back to bringing-up section by condensation segment, realize cycle operation.
Shell core separate type porous wick structure concurrent flow aluminothermy pipe manufacturing method provided by the above embodiment, comprising steps of
1) one section of aluminium with longitudinal array reinforcing rib 4 is cut as the hollow shell 1 of aluminium plate and to clean；
2) according to hollow 1 shape of shell of aluminium plate, length, width, wall thickness and internal longitudinal 4 lower surface of array reinforcing rib with
Thickness direction distance determines the shape and size of porous wick structure between inner wall, wherein the thickness of the porous wick structure 2 is than longitudinal
4 lower surface of array reinforcing rib small 0.1~0.15mm at a distance from thickness direction between hollow 1 inner wall of shell of aluminium plate, it is described porous
The length of liquid-sucking core 2 is more than or equal to hollow 1 length of shell of aluminium plate；
3) porous wick structure 2 is promoted from hollow 1 one end of shell of aluminium plate along its inner wall smooth face, until porous suction
Wick-containing 2 arrives at or beyond at hollow 1 the other end face of shell of aluminium plate, should ensure that 2 length direction of porous wick structure two at this time
End face is respectively positioned on outside hollow 1 both ends of the surface of shell of aluminium plate, and the distance that both ends exceed generally respectively takes 1~2mm, to guarantee that cold welding seals
Quality；
4) cold welding sealing is carried out to the porous wick structure 2 and hollow 1 one end of shell of aluminium plate, makes the porous wick structure
2 are combined together with the hollow shell 1 of aluminium plate；
5) the hollow shell 1 of the aluminium plate is vacuumized and liquid refrigerant is perfused；
6) cold welding sealing is carried out to the porous wick structure 2 and hollow 1 other end of shell of aluminium plate, completes sealing.
In above-mentioned steps, when cold welding seals, the length at the hollow 1 both ends cold welding position 3 of shell of aluminium plate is 10~
15mm, with a thickness of (1/3~1/2) * h, wherein h=2b+s, b are the thickness of the hollow shell 1 of the aluminium plate, and s is porous imbibition
The thickness of core 2.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, all within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (7)
1. a kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe, the hollow shell of aluminium plate including the sealing of both ends cold welding
(1), porous wick structure (2) in the hollow shell of aluminium plate (1) inner cavity is set, is filled in the hollow shell of aluminium plate
(1) liquid refrigerant in, it is characterised in that: the porous wick structure (2) is plate-like and both ends and the hollow shell of aluminium plate
(1) sealing part is welded and fixed, and it is opposite that the restricted porous wick structure (2) is arranged in the hollow shell of aluminium plate (1) inner wall
Longitudinal array reinforcing rib (4) of position.
2. shell core separate type porous wick structure concurrent flow aluminothermy pipe according to claim 1, it is characterised in that: the longitudinal direction
Described hollow shell of aluminium plate (1) the inner wall upper surface is arranged in array reinforcing rib (4), and interior lower surface is smooth surface, institute
Porous wick structure (2) are stated to be located between longitudinal array reinforcing rib (4) and interior lower surface.
3. shell core separate type porous wick structure concurrent flow aluminothermy pipe according to claim 2, it is characterised in that: described is more
Certain interval is provided between hole liquid-sucking core (2) upper surface and longitudinal array reinforcing rib (4) lower surface.
4. shell core separate type porous wick structure concurrent flow aluminothermy pipe according to claim 3, it is characterised in that: described is more
Gap between hole liquid-sucking core (2) upper surface and longitudinal array reinforcing rib (4) lower surface is 0.1~0.15mm.
5. shell core separate type porous wick structure concurrent flow aluminothermy pipe according to claim 1, it is characterised in that: described is more
Certain interval is provided between the left and right side of hole liquid-sucking core (2) and the left and right side of the hollow shell of aluminium plate (1) inner wall.
6. shell core separate type porous wick structure concurrent flow aluminothermy pipe according to claim 5, it is characterised in that: described is more
Gap between the left and right side of hole liquid-sucking core (2) and the left and right side of the hollow shell of aluminium plate (1) inner wall is 1~2mm.
7. shell core separate type porous wick structure concurrent flow aluminothermy pipe according to claim 1, it is characterised in that: the aluminium is flat
The length at the cold welding position (3) at the hollow shell of plate (1) both ends is 10~15mm, width and the hollow shell of aluminium plate (1)
Equivalent width, with a thickness of (1/3~1/2) * h, wherein h=2b+s, b are the thickness of the hollow shell of aluminium plate (1), and s is more
The thickness of hole liquid-sucking core (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821712299.3U CN209279749U (en) | 2018-10-22 | 2018-10-22 | A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe |
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|---|---|---|---|
| CN201821712299.3U CN209279749U (en) | 2018-10-22 | 2018-10-22 | A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341392A (en) * | 2018-10-22 | 2019-02-15 | 华南理工大学 | A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe and its manufacturing method |
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2018
- 2018-10-22 CN CN201821712299.3U patent/CN209279749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341392A (en) * | 2018-10-22 | 2019-02-15 | 华南理工大学 | A kind of shell core separate type porous wick structure concurrent flow aluminothermy pipe and its manufacturing method |
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