CN101226034A - Heat pipe with leveling end and manufacturing method therefor - Google Patents

Heat pipe with leveling end and manufacturing method therefor Download PDF

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Publication number
CN101226034A
CN101226034A CNA2007100039406A CN200710003940A CN101226034A CN 101226034 A CN101226034 A CN 101226034A CN A2007100039406 A CNA2007100039406 A CN A2007100039406A CN 200710003940 A CN200710003940 A CN 200710003940A CN 101226034 A CN101226034 A CN 101226034A
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CN
China
Prior art keywords
metal
water conservancy
conservancy diversion
inwall
capillary water
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CNA2007100039406A
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Chinese (zh)
Inventor
陈振贤
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NEW LIGHT SOURCE TECHNOLOGY Co Ltd
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NEW LIGHT SOURCE TECHNOLOGY Co Ltd
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Priority to CNA2007100039406A priority Critical patent/CN101226034A/en
Publication of CN101226034A publication Critical patent/CN101226034A/en
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Abstract

The invention provides a method of manufacturing a heat conductive pipe with an flat end, which comprises the following steps: (a) a first pipe body is provided with a first open end and a second open end; (b) a second pipe body is provided with a third open end and the flat end; (c) the second open end of the first pipe body is sealed with the third open end of the second pipe body to form a third pipe body; (d) withdraw the air inside the third pipe body, and (e)seal the first open end; wherein the inner wall of the third pipe body comprises a porous micro guiding layer and a working fluid held by the third pipe body.

Description

Heat pipe and manufacture method thereof with smooth end
Technical field
The present invention is about a kind of heat pipe and manufacture method thereof.And especially, this heat pipe has a smooth end, causes an electronic component can entirely be bonded on this smooth end.
Background technology
Along with the prosperity of science and technology, the technology of many electronic products all can't break through because of the problem that faces heat radiation.For example, the computer central microprocessor produces a large amount of heat energy when running, and these heat energy will exert an adverse impact to the running of whole system as not being removed.And heat pipe is promptly being played the part of consequence in the radiator portion of computer central microprocessor.
The manufacture method of traditional sintered heat pipe is that the end with a metal tube gives involution with the high temperature amalgamation mode.Then, in pipe, place a metal bar, and the added metal powder is in pipe.Through behind the sintering process, pull out this metal bar and promptly finish.See also Fig. 1, Fig. 1 illustrates the part sectioned view of the heat pipe A1 of traditional technology.Utilize the metal tube of this kind processing mode gained, its involution end presents perfectly round shape more, and its wall is wall thickness on every side, and its inwall shortage capillary body, as shown in Figure 1.Therefore, heat pipe now still is confined to around the tube wall, and can't utilizes end portion on using.
Therefore, a main purpose of the present invention is promptly providing a kind of heat pipe and manufacture method thereof with a smooth end.Whereby, an electronic component can entirely be bonded on the smooth end of this heat pipe.
Summary of the invention
In order to reach above-mentioned purpose and to solve shortcoming discussed above, the invention provides a kind of heat pipe and manufacture method thereof with a smooth end.Whereby, an electronic component can entirely be bonded on the smooth end of this heat pipe.
Heat pipe of the present invention comprises one first body and one second body.This first body has one first end and one second end.This second body has one the 3rd end and a smooth end.This first body can be a hollow metal pipe, this first end and the former opening that is of this second end.The second end sealed engagement of the 3rd end of this second body and this first body, and then make this first body and this second body form one the 3rd body.Sealing engages and can be a welding processing procedure, a welding processing procedure, a mechanical snapping processing procedure, glues together processing procedure or other can make the processing procedure of two articles sealed engagement.In addition, this second body can be made by a powder metallurgy processing procedure, a punching press processing procedure, an injection molding manufacture procedure, a casting processing procedure or a machining processing procedure.This smooth end can be lithographic plate shape or groove shapes, decides on practice.
According to heat pipe of the present invention, form a porous capillary water conservancy diversion layer on the inwall of the 3rd body.And first end of this first body is injecting working fluid back sealing in the 3rd body, to form this heat pipe certainly.Before sealing, need this heat pipe is bled, cause this heat pipe inside can reach a required vacuum, but so that this working fluid operate as normal.
In addition, this porous capillary water conservancy diversion layer can distinctly be made by following several methods, but not as limit.First method is: one first metal dust is inserted (this moment, first end of this first body was not sealed as yet) in the 3rd body; One center bar is inserted in the 3rd body from this first end, and prop up this first metal dust; Between this center bar and the 3rd body, insert one second metal dust; Carry out a sintering process and cause this first metal dust and this second metal dust welding mutually, to form this porous capillary water conservancy diversion layer; And this center bar taken out in the 3rd body.Incidentally, the metal bisque that this first metal dust can also a sintering substitutes.
In the second approach, have a plurality of tiny indentations on the inwall of the 3rd body.The step of this second method is: a metal dust is inserted (this moment, first end of this first body was not sealed as yet) in the 3rd body; One center bar is inserted in the 3rd body from this first end, and prop up this metal dust; Carry out a sintering process and cause the welding mutually of the tiny indentation of this metal dust and these, to form this porous capillary water conservancy diversion layer; And this center bar taken out in the 3rd body.
The third method is: utilize a machining processing procedure on the inwall of the 3rd body, make a plurality of tiny indentations, to form this porous capillary water conservancy diversion layer.
The 4th kind of method is: a plurality of metallic particles of sintering are on the inwall of the 3rd body; And a metal dictyosome is set on these metallic particles, to form this porous capillary water conservancy diversion layer.
The 5th kind of method is: lay a wavy crape folding hardware cloth on the inwall of the 3rd body; And a flat metal scrim layer is set on this wavy crape folding hardware cloth, to form this porous capillary water conservancy diversion layer.
Metal dust in first metal dust in the first method, second metal dust and the second method can be metal dust or other the similar metal dusts that a copper metal powder end, a nickel metal powder, a silver metal powder, a surface are coated with copper, nickel or silver.In addition, it is made that this first body or this second body can be a bronze medal metal, a nickel metal, a silver metal or other similar metal materials.
In addition, when the inwall of the inwall of this first body and this second body respectively has a plurality of tiny indentation, after this first body of sealed engagement and this second body, tiny indentation on the tiny indentation on the inwall of this first body and the inwall of this second body is promptly common to form this porous capillary water conservancy diversion layer, and need not further processing procedure to form this porous capillary water conservancy diversion layer.And, on the inwall of the smooth end of heat pipe of the present invention not there to be this porous capillary water conservancy diversion layer to exceed.Therefore in aforementioned circumstances, do not exceed on the inwall of the smooth end of this second body to have a plurality of tiny indentations.
In sum, heat pipe of the present invention has a smooth end, and an electronic component can entirely be bonded on the smooth end of this heat pipe.Further, the inwall of the smooth end of heat pipe of the present invention also can be provided with porous capillary water conservancy diversion layer, makes the circulation of workflow body fluid gas more smooth and easy, and makes the better heat-radiation effect of this electronic component.
Can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 illustrates the part sectioned view of the heat pipe of traditional technology.
Fig. 2 A illustrates the profile according to first body of a preferred specific embodiment.
Fig. 2 B illustrates the profile according to second body of this preferred specific embodiment.
Fig. 2 C illustrates the profile according to second body of a specific embodiment.
Fig. 3 A illustrates the profile according to the 3rd body of this preferred specific embodiment.
Fig. 3 B illustrates the profile according to the 3rd body after the welding of a specific embodiment.
Fig. 3 C illustrates the profile according to the 3rd body after the welding of a specific embodiment.
Fig. 3 D illustrates according to this first body of a specific embodiment and the decomposing section of this second body.
Fig. 3 E illustrates the profile according to the 3rd body after the welding of this specific embodiment.
Fig. 3 F illustrates the profile according to the 3rd body after the screw engagement of a specific embodiment.
Fig. 3 G illustrates the profile according to the 3rd body behind the trip joint of a specific embodiment.
Fig. 3 H illustrates the profile according to the 3rd body of a specific embodiment.
Fig. 4 A illustrates the profile of inserting one first metal dust according to the 3rd body of first method within it.
Fig. 4 B illustrates according to the 3rd body of first method and inserts in it and prop up the profile of this first metal dust at a center bar.
Fig. 4 C illustrates according to the 3rd body of first method and forms profile behind the porous capillary water conservancy diversion layer within it on the wall.
Fig. 4 D illustrates according to the 3rd body of second method and inserts in it and prop up the profile of a metal dust at a center bar.
Fig. 4 E illustrates the profile of the 3rd body behind a machining processing procedure according to the third method.
Fig. 4 F illustrates according to the 3rd body of the 4th kind of method profile after a plurality of metallic particles and a metal dictyosome are provided with.
Fig. 4 G illustrates according to the 3rd body of the 5th kind of method profile after a wavy crape folding hardware cloth and a flat metal screen cloth are provided with.
Fig. 5 illustrates according to this preferred specific embodiment and utilizes a tubule to inject the schematic diagram of a working fluid in the 3rd body.
Fig. 6 illustrates the profile according to the heat pipe of the present invention of this preferred specific embodiment.
The main element symbol description
1: 12: the first bodys of heat pipe
14,14 ': second body 16,16 ': the 3rd body
124: the second openends of 122: the first openends
142: the three openends 144,144 ': smooth end
164: porous capillary water conservancy diversion layer 166,166 ': tiny indentation
168: metallic particles 170: the metal dictyosome
172: wavy crape folding hardware cloth 174: flat metal scrim layer
176: open 1242: outstanding
1244: groove 1246: surface
1422: outstanding 1424: groove
1426: surface 2,2 ': center bar
3: tubule S: scolder
L: working fluid P1: first metal dust
P2: the second metal dust P3: metal dust
A1: heat pipe
The specific embodiment
According to a preferred specific embodiment, the method for manufacturing one heat pipe 1 of the present invention at first provides one first body 12, and this first body 12 is a hollow metal pipe, shown in Fig. 2 A.Fig. 2 A illustrates the profile of this first body 12.This first body 12 has one first openend 122 and one second openend 124.Then this method provides one second body 14 again, and this second body 14 also is a metal tube, shown in Fig. 2 B.Fig. 2 B illustrates the profile of this second body 14.This second body 14 has one the 3rd openend 142 and a smooth end 144.This second body 14 can form by punching press one metallic plate, but not as limit.Modes such as for example this second body 14 can also penetrate, casts, forging, sintering or secondary operations are made.What deserves to be mentioned is that this smooth end 144 is meant that there is a flat site on its surface, with can be disposed thereon for an electronic component, but be not one to be decided to be tabular, should decide on practical application.In one embodiment, this smooth end 144 ' also can be groove shapes, or these second body, 14 integral body slightly are the T font, promptly this smooth end 144 ' the cross section greater than this second body, 14 ' main body section to adapt to different electronic component arrangements.Shown in Fig. 2 C, Fig. 2 C illustrate second body 14 according to this specific embodiment ' profile.This profile shows that this second body 14 slightly is the T font.The generation of these shapes all can be easily in conjunction with the processing procedure of this second body 14 of aforementioned making, and this is traditional technology, does not repeat them here.
What deserves to be mentioned is that if this second body 14 is made by a punching press processing procedure, then the schematic diagram of Fig. 2 C needs to revise to some extent, this be this technical field person traditional knowledge, do not repeat them here.In addition, this first body 12 does not exceed with identical with the material of this second body 14.This first body 12 does not exceed with circle with the cross section of this second body 14, should decide on practical application.For example, this cross section can be rectangle, triangle etc.In principle, match with the cross section of the 3rd openend 142 of this second body 14 in the cross section of second openend 124 of this first body 12.
Then second openend 124 of this first body 12 and the 3rd openend 142 of this second body 14 are carried out sealed engagement, to form one the 3rd body 16, as shown in Figure 3A.Fig. 3 A illustrates the profile of the 3rd body 16.Sealing engages and can be a welding processing procedure, a welding processing procedure, a mechanical snapping processing procedure, glues together processing procedure or other can make the processing procedure of two articles sealed engagement.Incidentally, Fig. 3 A only is a schematic diagram, and not demonstrating sealing, engage to belong in the aforesaid processing procedure that a kind of.At different sealed engagement processing procedures, below will provide an embodiment respectively with explanation.But in actual applications, not as limit.
In one embodiment, the sealing joint is a welding processing procedure.Second openend 124 of this first body 12 can leave a V-shaped groove in advance with the joining place of the 3rd openend 142 of this second body 14, uses for sealing weld material S, cause sealing after, unlikely outstanding the 3rd body of this scolder S 16 surfaces are too many, shown in Fig. 3 B.Fig. 3 B illustrates the profile of the 3rd body 16 after the welding.Right method of the present invention is not as limit.For example in certain design, giving prominence to that this welding back is caused can be made for the usefulness that is connected with an electronic component.What deserves to be mentioned is that aforementioned welding requirements is also not exclusive.In principle, the inwall of the inwall of this first body 12 and this second body 14 continuously smooth as far as possible after the welding, in order to the shaping of follow-up porous capillary water conservancy diversion layer, but not as limit.This is because the permissible plane discontinuity of shaping of different water conservancy diversion layers is also different.
In one embodiment, the sealing joint is a welding processing procedure.Second openend 124 of this first body 12 is a zigzag with the joining place of the 3rd openend 142 of this second body 14, causes in this welding processing procedure, and this second openend 124 can more can fuse mutually with the 3rd openend 142, shown in Fig. 3 C.Fig. 3 C illustrates the profile of the 3rd body 16 after the welding.Be noted that aforesaid zigzag should only for showing this zigzag of table, still be come out because of welding disappears shown in Fig. 3 C after this first body 12 and these second body, 14 weldings.In another specific embodiment, it is one relative outstanding 1242,1422 that this second openend 124 and the 3rd openend 142 respectively have, cause welding in order to welding after this joining place still can keep continuously smooth, shown in Fig. 3 D and E.Fig. 3 D illustrates the decomposing section of this first body 12 and this second body 14.Fig. 3 E illustrates the profile of the 3rd body 16 after the welding.See also Fig. 3 D, second openend 124 of this first body 12 comprises a groove 1244 and a surface 1246, and the 3rd openend 142 of this second body 14 also comprises a groove 1424 and a surface 1426.When this outstanding 1242,1422 mutually during fusion, partially fused outstanding 1242,1422 can be packed into these grooves 1244,1424, cause these surfaces 1246,1426 seamlessly to fit mutually, shown in Fig. 3 E.Dashed region is meant the zone of mutual fusion among Fig. 3 E.In addition, aforementioned outstanding 1242,1422 also can be zigzag.
At a specific embodiment, it is a mechanical snapping processing procedure that sealing engages.Second openend 124 of this first body 12 is a screw engagement with the 3rd openend 142 of this second body 14, shown in Fig. 3 F.Fig. 3 F illustrates the profile of the 3rd body 16 after the screw engagement.Shown in Fig. 3 F, second openend 124 of this first body 12 comprises a male thread, and the 3rd openend 142 of this second body 14 comprises a box thread accordingly.In actual applications, second openend 124 of this first body 12 can comprise a box thread, and the 3rd openend 142 of this second body 14 comprises a male thread accordingly.These screw threads can be incorporated in the processing procedure of making this first body 12 and this second body 14, for example add screw thread in the mould of casting or ejection formation, or integrate tapping mechanism in diel, or produce these screw threads with secondary operations.In another specific embodiment, second openend 124 of this first body 12 and the 3rd openend 142 of this second body 14 are for trip engages, shown in Fig. 3 G.The profile of the 3rd body 16 after Fig. 3 G illustrates trip and engages.Second openend 124 of this first body 12 comprises a projection, and the 3rd openend 142 of this second body 14 comprises a groove accordingly.In common situation, after trip engages, still need this joint is carried out a sealing processing procedure with sealing.
At a specific embodiment, it is a gummed processing procedure that sealing engages.Joining place at second openend 124 of this first body 12 and the 3rd openend 142 of this second body 14 is coated with a viscose glue with bonding.This second openend 124 is not necessary with the plane with the configuration of surface that the 3rd openend 142 joins.In common situation, the irregular of appropriateness more helps to strengthen adhesion effect.This gummed processing procedure also can be incorporated aforementioned various processing procedure into, and for example in screw engagement or trip connection process, this viscose glue can infiltrate the joint clearance to reach the effect of sealing and enhancing bond strength.
In above-mentioned specific embodiment, it is made that this first body 12 or this second body 14 can be a bronze medal metal, a nickel metal, a silver metal or other similar metal materials.And this first body 12 is not necessity with identical material with this second body 14.
In addition, in above-mentioned specific embodiment, the cross section of second openend 124 of this first body 12 is identical with the cross section of the 3rd openend 142 of this second body 14.Yet in one embodiment, this first body 12 ' external diameter be equal to or slightly less than this second body 14 ' internal diameter, cause this second body 14 of this first body 12 ' can insert or engage into ' interior with form the 3rd body 16 ', shown in Fig. 3 H.Fig. 3 H illustrates the profile according to the 3rd body of this specific embodiment.What deserves to be mentioned is that Fig. 3 H only is the schematic diagram of the 3rd body of this specific embodiment.The sealed engagement of the 3rd body can be used aforesaid sealed engagement processing procedure, does not repeat them here.
According to this preferred specific embodiment, after this first body 12 and these second body, 14 sealed engagement, the method for this heat pipe 1 of manufacturing of the present invention then forms a porous capillary water conservancy diversion layer 164 (its schematic diagram can be consulted Fig. 5) at the inwall of the 3rd body 16.This porous capillary water conservancy diversion layer 164 can distinctly be made by following several methods.But in actual applications, not as limit.And the explanation of following each method is an example with the identical person in cross section of the cross section of second openend 124 of this first body 12 and the 3rd openend 142 of this second body 14 still, but not as limit.
First method is at first inserted one first metal dust P1 in the 3rd body 16, shown in Fig. 4 A.Fig. 4 A illustrates the profile of inserting this first metal dust P1 in the 3rd body 16.Then a center bar 2 is inserted in the 3rd body 16 from this first openend 122, and prop up this first metal dust P1, shown in Fig. 4 B.Fig. 4 B illustrates the profile that this center bar 2 inserts in the 3rd body 16 and supports position this first metal dust P1.Between this center bar 2 and the 3rd body 16, insert one second metal dust P2 then, and carry out a sintering process and cause this first metal dust P1 and this second metal dust P2 welding mutually, to form this porous capillary water conservancy diversion layer 164, shown in Fig. 4 C.Fig. 4 C illustrates the profile that forms on the inwall of the 3rd body 16 behind this porous capillary water conservancy diversion layer 164.At last, this center bar 2 is taken out in the 3rd body 16.Incidentally, in this kind method, this center bar 2 must have the space to hold this second metal dust P2 with the inwall of the 3rd body 16.And the cross section of this center bar 2 is not necessary with the circle.This cross section can cooperate the cross section of the 3rd body 16 in principle, but is not necessary with similar.In addition, this first metal dust P1 and this second metal dust P2 be not to be all necessity mutually.In addition, in the method, the metal bisque that this first metal dust P1 also is able to a sintering substitutes.Schematic diagram after the metal powder stratification of this sintering is gone in the 3rd body can be consulted Fig. 4 B or Fig. 4 C.The metal bisque of this sintering is made by prior sintering one metal powder.
In the second approach, had a plurality of tiny indentations 166 on the inwall of the 3rd body 16.This second method is at first inserted a metal dust P3 in the 3rd body 16, and then with a center bar 2 ' this first openend 122 inserts in the 3rd body 16 and props up this metal dust P3 certainly, shown in Fig. 4 D.Fig. 4 D illustrates in this center bar 2 ' insertion the 3rd body 16 and props up the profile of this metal dust P3.Then carry out a sintering process and cause this metal dust P3 to form a metal sintering layer, and with these tiny indentation 166 weldings mutually, to form this porous capillary water conservancy diversion layer 164.At last, with this center bar 2 ' the 3rd body 16 interior taking-ups certainly.Wherein, the amount of this metal dust P3 must be enough to and these tiny indentation 166 weldings mutually in sintering process.Shown in Fig. 4 D, these tiny indentations 166 are distributed on the inwall of the inwall of this first body 12 and this second body 14.Yet when the degree of depth of this second body 14 was enough shallow, these tiny indentations 166 can only be formed on this first body 12 in actual applications.But the amount of this metal dust P3 still must be enough in sintering process with these tiny indentation 166 weldings mutually.This situation has been simplified the degree of difficulty that this second body 14 is made.These tiny indentations 166 on the inwall of this first body 12 are able to a machining processing procedure and form.
The third method directly utilizes a machining processing procedure on the inwall of the 3rd body 16, make a plurality of tiny indentations 166 ', to form this porous capillary water conservancy diversion layer 164, shown in Fig. 4 E.Fig. 4 E illustrates the profile of the 3rd body 16 behind this machining processing procedure.Be noted that the distribution of this porous capillary water conservancy diversion layer 164 comprises the inwall of the smooth end 144 of this second body 14.These tiny indentations 166 ' can utilize the Tool in Cutting mode to produce, or utilize the discharge processing mode to produce, or utilize other modes that can produce tiny indentation to produce.
The 4th kind of method forms a gold medal layer stratum granulosum at first around tying a plurality of metallic particles 168 on the inwall of the 3rd body 16.One metal dictyosome 170 on these metallic particles 168 (that is this metallic particles layer) then is set, to form this porous capillary water conservancy diversion layer 164, shown in Fig. 4 F.Fig. 4 F illustrates the profile of the 3rd body 16 after this metal dictyosome 170 is provided with.
The 5th kind of method at first laid a wavy crape folding hardware cloth 172 on the inwall of the 3rd body 16.One flat metal scrim layer 174 then is set on this wavy crape folding hardware cloth 172, to form this porous capillary water conservancy diversion layer 164, shown in Fig. 4 G.Fig. 4 G illustrates the profile of the 3rd body 16 after this wavy crape folding hardware cloth 172 and this flat metal scrim layer 174 are provided with.Wherein, the shape of the wavy crape folding of this wavy crape folding hardware cloth 172 can be triangular shape, rectangular shape, scalariform, wavy, compound shape or other irregular crape folding shapes.
In said method, the metal dust P3 in the first metal dust P1 in the first method, the second metal dust P2 and the second method can be metal dust or other the similar metal dusts that a copper metal powder end, a nickel metal powder, a silver metal powder, a surface are coated with copper, nickel or silver.In like manner, this metal powder of the used use of metal bisque of this sintering in the first method also can be a kind of powder of aforementioned various powder or the powder of its mixing.
In addition, when the inwall of the inwall of this first body 12 and this second body 14 respectively has a plurality of tiny indentation, after this first body 12 of sealed engagement and this second body 14, tiny indentation on the tiny indentation on the inwall of this first body 12 and the inwall of this second body 14 is promptly common to form this porous capillary water conservancy diversion layer 164, and need not further processing procedure to form this porous capillary water conservancy diversion layer 164.And, on the inwall of the smooth end 144 of heat pipe 1 of the present invention not there to be this porous capillary water conservancy diversion layer 164 to exceed.Therefore in aforementioned circumstances, do not exceed on the inwall of the smooth end 144 of this second body 14 to have a plurality of tiny indentations.
According to this preferred specific embodiment, after the inwall of the 3rd body 16 formed this porous capillary water conservancy diversion layer, the method for this heat pipe 1 of manufacturing of the present invention was then injected a working fluid L in the 3rd body 16.This method can utilize a tubule 3 to inject this working fluid L (as shown in Figure 5), but not as limit.Fig. 5 illustrates the schematic diagram that utilizes this tubule 3 to inject this working fluid L in the 3rd body 16.This tubule 3 inserts in the 3rd body 16 from the opening 176 (that is first openend 122 of this first body 12) of the 3rd body 16, and injects this working fluid L.This opening 168 can first reducing extremely can be beneficial to the follow-up processing procedure of bleeding and sealing this opening 176, as shown in Figure 5 for the bore of these tubule 3 insertions.
See also Fig. 6, Fig. 6 illustrates the profile according to the heat pipe of the present invention 1 of this preferred specific embodiment.After this working fluid L injection finishes, detach this tubule 3.The 3rd body 16 is bled, cause the 3rd body 16 inside can reach a required vacuum, but so that this working fluid operate as normal.And seal this opening 176 to form this heat pipe 1, as shown in Figure 6.Fig. 6 only shows that this opening 176 of the 3rd body 16 is sealed.In actual applications, the cross-section structure after the method for sealing and the sealing is not as limit.Air-exhaust method and encapsulating method can use conventional art, and this is traditional technology, does not repeat them here.In addition, this implantation step and this pump step execution sequence also can be exchanged, and this should decide on the actual production design.
On the smooth end 144 of this heat pipe 1 of the present invention pieceable electronic component can be a light emitting diode (Light Emitting Diode, LED), a laser diode (Laser Diode) or an integrated circuit (IC).
In sum, heat pipe of the present invention has a smooth end, and also is provided with porous capillary water conservancy diversion layer at the inwall of this smooth end, makes the circulation of workflow body fluid gas smooth and easy.Therefore, an electronic component can entirely be bonded on the smooth end of this heat pipe, and reaches better heat radiating effect.
By the detailed description of above preferred specific embodiment, hope can be known description feature of the present invention and spirit more, and is not to come category of the present invention is limited with above-mentioned disclosed preferred specific embodiment.On the contrary, its objective is that hope can contain being arranged in the category of the present invention of various changes and tool equality.

Claims (22)

1. a manufacturing one has the method for the heat pipe of a smooth end, and this method comprises the following steps:
(a) provide one first body, have one first openend and one second openend;
(b) provide one second body, have one the 3rd openend and this smooth end;
(c) second openend of this first body and the 3rd openend of this second body are carried out sealed engagement, to form one the 3rd body;
(d) the 3rd body is bled; And
(e) seal this first openend;
Wherein the inwall of the 3rd body comprises a porous capillary water conservancy diversion layer, and the ccontaining working fluid of the 3rd body.
2. method according to claim 1, wherein this working fluid injected in the 3rd body before or after step (d).
3. method according to claim 1, wherein step (b) by a powder metallurgy processing procedure, a punching press processing procedure, an injection molding manufacture procedure, a casting processing procedure or a machining processing procedure to produce this second body.
4. method according to claim 1, wherein this porous capillary water conservancy diversion layer is formed by the following step:
One first metal dust is inserted in the 3rd body;
One center bar is inserted in the 3rd body and props up this first metal dust from this first openend;
Between this center bar and the 3rd body, insert one second metal dust;
Carry out a sintering process and cause this first metal dust and this second metal dust welding mutually, to form this porous capillary water conservancy diversion layer; And
This center bar is taken out in the 3rd body.
5. method according to claim 4, wherein this first metal dust and this second metal dust are metal dust or other the similar metal dusts that a copper metal powder end, a nickel metal powder, a silver metal powder, a surface are coated with copper, nickel or silver.
6. method according to claim 1, wherein this porous capillary water conservancy diversion layer is formed by the following step:
The metal powder stratification of one sintering is gone in the 3rd body;
One center bar is inserted in the 3rd body and props up the metal bisque of this sintering from this first openend;
Between this center bar and the 3rd body, insert a metal dust;
Carry out metal bisque and the welding mutually of this metal dust that a sintering process causes this sintering, to form this porous capillary water conservancy diversion layer; And
This center bar is taken out in the 3rd body.
7. method according to claim 1 wherein has a plurality of tiny indentations on the inwall of the 3rd body, and this porous capillary water conservancy diversion layer is formed by the following step:
One metal dust is inserted in the 3rd body;
One center bar is inserted in the 3rd body and props up this metal dust from this first openend;
Carry out a sintering process and cause the welding mutually of the tiny indentation of this metal dust and these, to form this porous capillary water conservancy diversion layer; And
This center bar is taken out in the 3rd body.
8. according to claim 6 or 7 described methods, wherein this metal dust is metal dust or other the similar metal dust that a copper metal powder end, a nickel metal powder, a silver metal powder, a surface are coated with copper, nickel or silver.
9. method according to claim 1, wherein this porous capillary water conservancy diversion layer is formed by the following step:
Utilize a machining processing procedure on the inwall of the 3rd body, make a plurality of tiny indentations, to form this porous capillary water conservancy diversion layer.
10. method according to claim 1, wherein this porous capillary water conservancy diversion layer is formed by the following step:
The a plurality of metallic particles of sintering are on the inwall of the 3rd body; And
One metal dictyosome is set on these metallic particles, to form this porous capillary water conservancy diversion layer.
11. method according to claim 1, wherein this porous capillary water conservancy diversion layer is formed by the following step:
Lay a wavy crape folding hardware cloth on the inwall of the 3rd body; And
One flat metal scrim layer is set on this wavy crape folding hardware cloth, to form this porous capillary water conservancy diversion layer.
12. method according to claim 10, wherein the wavy crape folding of this wavy crape folding hardware cloth is shaped as triangular shape, rectangular shape, scalariform or wavy.
13. method according to claim 1, wherein the sealing of step (c) joint is a welding processing procedure, a welding processing procedure, a mechanical snapping processing procedure or a gummed processing procedure.
14. the heat pipe with a smooth end comprises:
One first body has one first end and one second end, wherein this first end sealing;
One second body has one the 3rd end and this smooth end, and wherein second end of the 3rd end and this first body is sealed engagement with welding, welding, gummed or mechanical snapping; And
One porous capillary water conservancy diversion layer is formed on the inwall of the inwall of this first body and this second body;
Wherein, this first body and this second body form a seal cavity, and the sealing space holds a working fluid.
15. heat pipe according to claim 14, wherein this second body is made by a powder metallurgy processing procedure, a punching press processing procedure, an injection molding manufacture procedure, a casting processing procedure or a machining processing procedure.
16. heat pipe according to claim 14, wherein the smooth end of this second body is lithographic plate shape or groove shapes.
17. heat pipe according to claim 14, wherein this first body or this second body are that a bronze medal metal, a nickel metal, a silver metal or other similar metal materials are made.
18. heat pipe according to claim 14, wherein this porous capillary water conservancy diversion layer is that a copper metal powder end, a nickel metal powder, a silver metal powder, a surface are coated with similarly metal powder sintered forming of the metal dust of copper, nickel or silver or other.
19. heat pipe according to claim 14, wherein this porous capillary water conservancy diversion layer comprises a metallic particles layer and a metal dictyosome, this metallic particles layer thermal sintering is on the inwall of the inwall of this first body and this second body, and this metal dictyosome is arranged on this metallic particles layer.
20. heat pipe according to claim 14, wherein this porous capillary water conservancy diversion layer comprises a wavy crape folding hardware cloth and a flat metal scrim layer, this wavy crape folding hardware cloth is laid on the inwall of the inwall of this first body and this second body, and this flat metal scrim layer is arranged on this wavy crape folding hardware cloth.
21. heat pipe according to claim 14, wherein this porous capillary water conservancy diversion layer comprises a plurality of tiny indentations, is formed in a machining processing procedure on the inwall of the inwall of this first body and this second body.
22. heat pipe according to claim 14, wherein this porous capillary water conservancy diversion layer comprises a plurality of tiny indentations and a metal sintering layer, these tiny indentations are formed on the inwall of the inwall of this first body and this second body, and this metal sintering layer is formed on this second inboard wall of tube body and with these tiny indentation weldings mutually.
CNA2007100039406A 2007-01-19 2007-01-19 Heat pipe with leveling end and manufacturing method therefor Pending CN101226034A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147202A (en) * 2010-02-10 2011-08-10 昆山德泰新金属粉末有限公司 Heat pipe structure and manufacturing method thereof
TWI572842B (en) * 2012-03-16 2017-03-01 鴻準精密工業股份有限公司 Manufacturing method for heat pipe and heat pipe making through the method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147202A (en) * 2010-02-10 2011-08-10 昆山德泰新金属粉末有限公司 Heat pipe structure and manufacturing method thereof
TWI572842B (en) * 2012-03-16 2017-03-01 鴻準精密工業股份有限公司 Manufacturing method for heat pipe and heat pipe making through the method

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