CN205373481U - Flat heat pipe of tow wick - Google Patents
Flat heat pipe of tow wick Download PDFInfo
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- CN205373481U CN205373481U CN201521135139.3U CN201521135139U CN205373481U CN 205373481 U CN205373481 U CN 205373481U CN 201521135139 U CN201521135139 U CN 201521135139U CN 205373481 U CN205373481 U CN 205373481U
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- metal tube
- fiber bundle
- wick
- capillary core
- tow
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Abstract
The utility model discloses a flat heat pipe of tow wick, include that the cross sectional shape is rounded rectangle's tubular metal resonator, is fixed in the inside tow wick of tubular metal resonator, the both ends of tubular metal resonator are sealed, and working liquid is filled to inside, the tubular metal resonator that this cross sectional shape is rounded rectangle is formed by the round -shaped metal tube mould pressing, the internal face in close contact with of tow wick and tubular metal resonator, and this tow wick is kinked each other, is interweaved together by many copper fibres, is " twist type " structure. This flat heat pipe will " twist type " tow wick arrange round -shaped metal tube in, then adopt and flatten the mould and flatten it, tow wick by the pressfitting, fix at tubular metal resonator inner wall middle part, owing to tow wick's supporting role for sining can not appear flattening in the round -shaped metal tube's after flattening the in -process, flatten surface, has saved the sintering circuit, has greatly increased production efficiency.
Description
Technical field
This utility model relates to heat pipe and preparation technology, particularly relates to a kind of Fiber bundle capillary core flat hot pipe.
Background technology
Sharply increase along with electronic chip heat flow density and effectively heat-dissipating space is day by day narrow and small, there is high thermal conductivity, high reliability, thermal response flat hot pipe fast, without features such as extra power have become the desirable heat conducting element that electronic applications uses.Capillary wick (abbreviation wick) is the core component of flat hot pipe.Micropore groove sintered combined wick flat hot pipe has that manufacturing process is simple, cost is low, heat transfer property is high, can the advantage such as industrialization.But the manufacturing process of conventional flat heat pipe is unsatisfactory, the sintering of flat hot pipe occupies the most of the time of production technology on the one hand；On the other hand, in the flattening process of pipe, it is easy to various flattening defect occurs.
Summary of the invention
The purpose of this utility model is in that to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of Fiber bundle capillary core flat hot pipe.Overcome and easily produce to flatten defect after existing heat pipe flattens processing, cause structure imperfect and technical problem that heat transfer efficiency is low.
This utility model is achieved through the following technical solutions:
A kind of Fiber bundle capillary core flat hot pipe, including the rounded rectangle of cross sectional shape metal tube 1, be fixed on the Fiber bundle capillary core 2 within metal tube 1；The two ends of described metal tube 1 seal, internal perfusion hydraulic fluid.Described hydraulic fluid is deionized water.
The metal tube 1 of the rounded rectangle of this cross sectional shape is formed by round metal tube mold pressing, and the internal face of described Fiber bundle capillary core 2 and metal tube 1 is in close contact.
Described Fiber bundle capillary core 2 is kinked mutually by many copper fibers, weave in, in " twisted shape " structure.
The inwall axial distribution of described metal tube 1 has a plurality of groove.
Described metal tube 1 is any one in copper pipe, aluminum pipe or stainless steel tube.
The preparation method of above-mentioned Fiber bundle capillary core flat hot pipe is as follows:
Many copper fibers are kinked mutually, interweaves becoming " twisted shape " structure, make the cylindrical structural that diameter is 2mm～3mm, obtain Fiber bundle capillary core 2；
The Fiber bundle capillary core 2 that will prepare, is placed in inwall and has the middle part of fluted round metal tube；Round metal tube is placed in have round rectangle groove and in the flattening mould of symmetry, under the upper mould 3 and the counterdie 4 squeezing action to round metal tube of this flat mould, round metal tube is pressed into flat, obtains the metal tube 1 of the rounded rectangle of cross sectional shape；Meanwhile, Fiber bundle capillary core 2 by pressing, be fixed in the middle part of metal tube 1 inwall；
In metal tube 1, irrigate deionized water, evacuation and close the two ends of metal tube 1, obtaining Fiber bundle capillary core flat hot pipe.
The internal diameter of described round metal tube 1 is 6mm～10mm, wall thickness 0.20mm～0.45mm, and the inwall axial distribution of round metal tube 1 has a plurality of groove, and this gash depth is 0.25mm～0.35mm, and groove width is 0.18mm～0.25mm.
This utility model, relative to prior art, has such advantages as and effect:
This utility model Fiber bundle capillary core flat hot pipe, is formed by round metal tube mold pressing, and Fiber bundle capillary core contacts with the internal face of metal tube more closely, stablizes, and does not have fault of construction after flattening；And Fiber bundle capillary core is kinked mutually by many copper fibers, weave in, in " twisted shape " structure, it can provide capillary force to the backflow of hydraulic fluid in flat hot pipe as a kind of porous material；The groove in the Fiber bundle capillary wicking surface of " twisted shape " and inner wall of metal tube face simultaneously, adds extra steam channel, improves the permeability of heat pipe, improves working medium circulation；And replace sintering tradition copper powder capillary wick can save heat pipe by the Fiber bundle capillary core of " twisted shape " to sinter this operation, drastically increase production efficiency.
Compared with traditional handicraft, of the present utility model the Fiber bundle capillary core of " twisted shape " is placed in round metal tube, then adopt flattening mould that it is flattened, Fiber bundle capillary core by pressing, be fixed in the middle part of inner wall of metal tube, supporting role due to Fiber bundle capillary core, making in flattening process, the surface of the round metal tube after flattening does not have flattening and subsides (such as Fig. 4), makes structural integrity zero defect after flat hot pipe molding.Simultaneously many copper fibers are kinked mutually, weave in constitute " twisted shape " (being similar to steel wire rope) structure Fiber bundle capillary core, eliminate sintering circuit, substantially increase production efficiency.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of this utility model Fiber bundle capillary core flat hot pipe.
Fig. 2 is that this utility model Fiber bundle capillary core flat hot pipe flattens process one schematic diagram.
Fig. 3 is that this utility model Fiber bundle capillary core flat hot pipe pipe flattens process two schematic diagram.
Fig. 4 is the defect sturcture schematic diagram in the middle part of the metal tube 1 after existing flattening with depression.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is more specifically described in detail.
Embodiment
As shown in Figures 1 to 4.The utility model discloses a kind of Fiber bundle capillary core flat hot pipe, including the rounded rectangle of cross sectional shape metal tube 1, be fixed on the Fiber bundle capillary core 2 within metal tube 1；The two ends of described metal tube 1 seal, internal perfusion hydraulic fluid.
The metal tube 1 of the rounded rectangle of this cross sectional shape is formed by round metal tube mold pressing, and the internal face of described Fiber bundle capillary core 2 and metal tube 1 is in close contact.
Described Fiber bundle capillary core 2 is kinked mutually by many copper fibers, weave in, in " twisted shape " structure.But also can being combined with sintered form by many copper fibers, now each copper fiber can kink, interweave.
The inwall axial distribution of described metal tube 1 has a plurality of groove, certainly according to concrete technology requirement, it is possible to do not offer groove.
Described hydraulic fluid is deionized water.
Described metal tube 1 is any one in copper pipe, aluminum pipe or stainless steel tube.
The preparation method of this utility model Fiber bundle capillary core flat hot pipe, can realize as follows:
Many copper fibers are kinked mutually, interweaves becoming " twisted shape " structure, make the cylindrical structural that diameter is 2mm～3mm, obtain Fiber bundle capillary core 2；
The Fiber bundle capillary core 2 that will prepare, is placed in inwall and has the middle part of fluted round metal tube；Round metal tube is placed in have round rectangle groove and in the flattening mould of symmetry, under the upper mould 3 and the counterdie 4 squeezing action to round metal tube of this flat mould, round metal tube is pressed into flat, obtains the metal tube 1 of the rounded rectangle of cross sectional shape；Meanwhile, Fiber bundle capillary core 2 by pressing, be fixed in the middle part of metal tube 1 inwall；Owing to Fiber bundle capillary core 2 is played a supporting role, effectively prevent flattening when round metal tube flattens molding and subside (such as Fig. 4), significantly improve structural integrity and the heat transfer property of heat pipe.
In metal tube 1, irrigate deionized water, evacuation and close the two ends of metal tube 1, obtaining Fiber bundle capillary core flat hot pipe.
The internal diameter of described round metal tube 1 is 6mm～10mm, wall thickness 0.20mm～0.45mm, and the inwall axial distribution of round metal tube 1 has a plurality of groove, and this gash depth is 0.25mm～0.35mm, and groove width is 0.18mm～0.25mm.Certainly these sizes require also dependent on concrete technology and change.
As it has been described above, this utility model just can be realized preferably.
Embodiment of the present utility model is also not restricted to the described embodiments; other are any without departing from the change made under spirit of the present utility model and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (6)
1. a Fiber bundle capillary core flat hot pipe, it is characterised in that include the metal tube (1) of the rounded rectangle of cross sectional shape, be fixed on the Fiber bundle capillary core (2) that metal tube (1) is internal；The two ends of described metal tube (1) seal, internal perfusion hydraulic fluid.
2. Fiber bundle capillary core flat hot pipe according to claim 1, it is characterized in that, the metal tube (1) of the rounded rectangle of this cross sectional shape is formed by round metal tube mold pressing, and the internal face of described Fiber bundle capillary core (2) and metal tube (1) is in close contact.
3. Fiber bundle capillary core flat hot pipe according to claim 2, it is characterised in that described Fiber bundle capillary core (2) is kinked mutually by many copper fibers, weave in, in " twisted shape " structure.
4. Fiber bundle capillary core flat hot pipe according to claim 3, it is characterised in that the inwall axial distribution of described metal tube (1) has a plurality of groove.
5. Fiber bundle capillary core flat hot pipe according to any one of Claims 1-4, it is characterised in that described hydraulic fluid is deionized water.
6. Fiber bundle capillary core flat hot pipe according to claim 5, it is characterised in that described metal tube (1) is copper pipe, any one in aluminum pipe or stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135139.3U CN205373481U (en) | 2015-12-29 | 2015-12-29 | Flat heat pipe of tow wick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135139.3U CN205373481U (en) | 2015-12-29 | 2015-12-29 | Flat heat pipe of tow wick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205373481U true CN205373481U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135139.3U Active CN205373481U (en) | 2015-12-29 | 2015-12-29 | Flat heat pipe of tow wick |
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| CN (1) | CN205373481U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716460A (en) * | 2015-12-29 | 2016-06-29 | 华南理工大学 | Fiber bundle capillary core flat heat pipe and preparation method thereof |
| CN111076589A (en) * | 2019-12-17 | 2020-04-28 | 武汉理工大学 | Ultrathin heat pipe with gradient capillary core structure |
| CN111076590A (en) * | 2019-12-17 | 2020-04-28 | 武汉理工大学 | Gradient diameter copper fiber capillary core |
-
2015
- 2015-12-29 CN CN201521135139.3U patent/CN205373481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716460A (en) * | 2015-12-29 | 2016-06-29 | 华南理工大学 | Fiber bundle capillary core flat heat pipe and preparation method thereof |
| CN111076589A (en) * | 2019-12-17 | 2020-04-28 | 武汉理工大学 | Ultrathin heat pipe with gradient capillary core structure |
| CN111076590A (en) * | 2019-12-17 | 2020-04-28 | 武汉理工大学 | Gradient diameter copper fiber capillary core |
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| GR01 | Patent grant |