CN1565797A - Manufacturing method of heat pipe batch - Google Patents
Manufacturing method of heat pipe batch Download PDFInfo
- Publication number
- CN1565797A CN1565797A CN 03141311 CN03141311A CN1565797A CN 1565797 A CN1565797 A CN 1565797A CN 03141311 CN03141311 CN 03141311 CN 03141311 A CN03141311 A CN 03141311A CN 1565797 A CN1565797 A CN 1565797A
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- metal cylinder
- bleeding point
- metal
- manufacture method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 79
- 239000002184 metal Substances 0.000 claims abstract description 79
- 230000000740 bleeding effect Effects 0.000 claims abstract description 40
- 238000005245 sintering Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 25
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 210000003850 cellular structure Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The invention relates to a heat pipe batch manufacturing method comprising the following steps: putting a metal column in a metal barrel; placing the sintered powder in the metal barrel, sintering, and forming a porous structure; taking the metal column out and sealing the opening end of the metal barrel, presetting a bleeding point on the sealed end; pouring the working fluid into the metal barrel by using the bleeding point; placing the plural metal barrels in a vacuum chamber, and vacuating the metal barrels by using the bleeding point; and sealing each bleeding point in the vacuum chamber. The vacuum degree of each heat pipe is uniform.
Description
Technical field
The present invention is a kind of heat pipe batch manufacture method, particularly a kind of heat pipe batch manufacture method that in vacuum chamber a plurality of metal cylinder is sealed respectively.
Background technology
Development along with the integrated circuit technology, electric crystal density on the wafer is more and more high, and the running clock pulse is more and more fast, and these development trends more can promote the usefulness of electronic product except reducing cost, however highdensity electric crystal and the performance of dynamical performance, make integrated circuit produce more heat unavoidablely, thereby the too high problem of the circuit temperature of deriving, hereat, how become the problem that can not be ignored for the integrated circuit heat radiation.
In known techniques, combination by radiator fan and heat pipe, can be integrated circuit better heat radiating effect is provided, the heat pipe more direct effect that has influence on heat radiation of quality of making wherein, with reference to Fig. 1 and Fig. 2, known heat pipe manufacturing step comprises provides a metal cylinder 10, in metal cylinder 10, insert a metal column 12, and agglomerated powder inserted carry out sintering in the metal cylinder 10 to form cellular structure 14, after finishing, takes out sintering metal column 12, and the capping 16 that utilizes a tool bleeding point 18 is with metal cylinder 10 openends involution in addition, then establish an exhaust tube 20 in bleeding point 18 places, exhaust tube 20 injects working fluid thus, and this workflow cognition is adsorbed on the cellular structure 14 via capillarity, utilize 20 pairs of metal cylinder 10 of exhaust tube to vacuumize action then, wait to finish and again exhaust tube 20 is sealed after vacuumizing.
Yet owing to exhaust tube 20 still can a residual part form an invalid end after sealing in capping 16, for asking the attractive in appearance of heat pipe profile, so need set up a pipe 22 in capping to form an accommodation space, and colloid 24 injected these accommodation spaces to cover invalid end, come the attractive in appearance of maintaining heat conduit profile thus.In addition, when a large amount of manufacturing heat pipe,, so can cause the vacuum degree difference of each heat pipe, make the equal difference to some extent of usefulness of different heat pipes, thereby cause the very different shortcoming of product because each metal cylinder 10 all is the action that vacuumizes individually.
In view of above-mentioned known puzzlement, the present invention proposes a kind of heat pipe batch manufacture method, to improve the defective of known techniques.
Summary of the invention
Main purpose of the present invention provides a kind of heat pipe batch manufacture method, and it is respectively the bleeding point of a plurality of metal cylinder to be sealed in vacuum chamber, avoiding the vacuum degree difference of each heat pipe, and produces the problem that the quality quality differs.
A further object of the present invention provides a kind of heat pipe batch manufacture method, with the invalid end of removal heat pipe, and then saves the cost of modifying the heat pipe outward appearance.
Another purpose of the present invention provides a kind of heat pipe batch manufacture method, is beneficial to a batch manufacturing of carrying out heat pipe, and then reduces the step and the time of automated production.
According to the present invention, one metal cylinder at first is provided, in wherein inserting a metal column, and agglomerated powder inserted carry out sintering in the metal cylinder to form cellular structure, after finishing, sintering takes out metal column and with the openend involution of metal cylinder, and reserve at least one bleeding point, utilize this bleeding point that working fluid is injected metal cylinder again, by capillarity working fluid is adsorbed on the cellular structure, then a plurality of these metal cylinder are inserted a vacuum chamber, because of each metal cylinder all is reserved with at least one bleeding point, so each metal cylinder all can present vacuum state, in vacuum chamber, utilize thermal source that scolder is heated with each bleeding point of involution then, promptly finish the manufacturing of heat pipe.
This metal cylinder is formed in one.
This metal cylinder is one to be welded with the metal tube of a base plate.
This metal cylinder openend involution mode is for being welded in a capping openend of this metal cylinder.
This bleeding point is located on this metal cylinder.
This bleeding point is located in this capping.
This bleeding point involution mode is to utilize electron beam that scolder is heated with this bleeding point of involution.
This bleeding point involution mode is to utilize laser that scolder is heated with this bleeding point of involution.
This bleeding point involution mode is mechanical involution.
By the heat pipe batch manufacturing step of the invention described above as can be known, because each metal cylinder all is to place same vacuum chamber and sealed, so the vacuum degree of each heat pipe all can uniformity, can not produce that known heat pipe vacuum degree differs and the problem that causes the product quality good and the bad to differ, need not to be provided with exhaust tube in capping because of the present invention again, but directly bleeding point is sealed, so therefore the invalid end after can residual exhaust tube not sealing also need not to set up pipe and injects colloid to modify the outward appearance of heat pipe.
Description of drawings
Fig. 1 is known heat pipe manufacture process schematic diagram.
Fig. 2 is known heat pipe construction schematic diagram.
Fig. 3 is a heat pipe manufacture process schematic diagram of the present invention.
Fig. 4 is a heat pipe manufacture process schematic diagram of the present invention.
Fig. 5 carries out a batch operation schematic diagram for a plurality of metal tubes of the present invention in vacuum chamber.
Fig. 6 is a heat pipe construction schematic diagram of the present invention.
10 metal cylinder, 12 metal columns
16 cappings of 14 cellular structures
18 bleeding points, 20 exhaust tubes
22 pipes, 24 colloids
30 metal cylinder, 32 metal columns
36 cappings of 34 cellular structures
38 bleeding points, 40 vacuum chambers
42 scolders
Embodiment
The present invention is a kind of heat pipe batch manufacture method, it is that a plurality of metal cylinder are placed a vacuum chamber, bleeding point with each metal cylinder is sealed respectively again, make the vacuum degree uniformity of different metal tube, the problem that causes the heat pipe quality to differ with the vacuum degree difference of avoiding the different metal tube.
With reference to Fig. 3, heat pipe manufacturing step of the present invention comprises provides a metal cylinder 30, in metal cylinder 30, insert a metal column 32, and the material of this metal cylinder 30 and metal column 32 can be copper, aluminium and the good material of other thermal conductive property, then inserting agglomerated powder in metal cylinder 30 carries out sintering, and this metal column 32 provides the effect of heat conduction during sintering, after sintering is finished this metal column 32 is taken out, and this moment, metal cylinder 30 inside promptly were equipped with formed cellular structure 34 behind the agglomerated powder sintering.
Then, with reference to Fig. 4 and Fig. 5, the capping 36 that utilizes at least one bleeding point 38 of a tool is with metal cylinder 30 openend involutions, the involution mode can be adopted welding, bonding and other can make capping 36 and 30 of metal cylinder reach the involution mode of complete driving fit, and utilize this bleeding point 38 that working fluid is injected metal cylinder 30, by capillarity working fluid is adsorbed on the cellular structure 34, after finishing above-mentioned manufacturing step, a plurality of these metal cylinder 30 are inserted in the vacuum chamber 40 simultaneously, be equipped with the bleeding point 38 of reservation in the capping 36 because of each metal cylinder 30, so each metal cylinder all can present identical vacuum state 30 this moments, follow in vacuum chamber 40 with electron beam, thermals source such as laser with scolder 42 heating with each bleeding point 38 of involution, finish behind the involution heat pipe as shown in Figure 6.
By the heat pipe batch manufacturing step of the invention described above as can be known, because each metal cylinder 30 all is to place same vacuum chamber and sealed, so the vacuum degree of each heat pipe all can uniformity, can not produce that known heat pipe vacuum degree differs and the problem that causes the product quality good and the bad to differ, need not to be provided with exhaust tube in capping 36 because of the present invention again, but directly bleeding point is sealed, so therefore the invalid end after can residual exhaust tube not sealing also need not to set up pipe and injects colloid to modify the outward appearance of heat pipe.
In addition, in order to increase the elasticity of heat pipe batch manufacture method, make unlikely too the adhering rigidly to of manufacture method and can not change, the present invention more can establish at least one bleeding point 38 on each metal cylinder 30, with the bleeding point 38 in the replacement capping 36, and utilize modes such as hot weld, mechanical involution with bleeding point 38 involutions on each metal cylinder 30.In addition, this metal cylinder 30 can be formed in one, or with an openend of a metal tube with base plate in addition involution formed.
Above-described embodiment is preferred embodiment of the present invention only, is not in order to limit scope of the invention process.So all equalizations of doing according to the described shape of the present patent application claim, structure, feature and spirit change and modify, and all should be included in the claim of the present invention.
Claims (9)
1, a kind of heat pipe batch manufacture method is characterized in that comprising the following steps:
One metal cylinder is provided, and a metal column is placed this metal cylinder;
Insert agglomerated powder in this metal cylinder and carry out sintering;
This metal column is taken out, and with the openend involution of this metal cylinder, and reserve at least one bleeding point;
Working fluid is injected this metal cylinder by this bleeding point;
A plurality of these metal cylinder are inserted in the vacuum chamber, made each metal cylinder be vacuum state; And
In this vacuum chamber, the bleeding point of each this metal cylinder is sealed.
2, heat pipe as claimed in claim 1 batch manufacture method, it is characterized in that: this metal cylinder is formed in one.
3, heat pipe as claimed in claim 1 batch manufacture method is characterized in that: this metal cylinder is one to be welded with the metal tube of a base plate.
4, heat pipe as claimed in claim 1 batch manufacture method is characterized in that: this metal cylinder openend involution mode is for being welded in a capping openend of this metal cylinder.
5, heat pipe as claimed in claim 1 batch manufacture method, it is characterized in that: this bleeding point is located on this metal cylinder.
6, heat pipe as claimed in claim 4 batch manufacture method, it is characterized in that: this bleeding point is located in this capping.
7, heat pipe as claimed in claim 1 batch manufacture method is characterized in that: this bleeding point involution mode is to utilize electron beam that scolder is heated with this bleeding point of involution.
8, heat pipe as claimed in claim 1 batch manufacture method is characterized in that: this bleeding point involution mode is to utilize laser that scolder is heated with this bleeding point of involution.
9, heat pipe as claimed in claim 1 batch manufacture method is characterized in that: this bleeding point involution mode is mechanical involution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03141311 CN1565797A (en) | 2003-06-10 | 2003-06-10 | Manufacturing method of heat pipe batch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03141311 CN1565797A (en) | 2003-06-10 | 2003-06-10 | Manufacturing method of heat pipe batch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1565797A true CN1565797A (en) | 2005-01-19 |
Family
ID=34470869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03141311 Pending CN1565797A (en) | 2003-06-10 | 2003-06-10 | Manufacturing method of heat pipe batch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1565797A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362307C (en) * | 2005-09-08 | 2008-01-16 | 嘉善华昇电子热传科技有限公司 | Method for manufacturing small heat pipe |
| CN101794755B (en) * | 2005-03-28 | 2012-09-05 | 新灯源科技有限公司 | Heat pipe with flat end face |
-
2003
- 2003-06-10 CN CN 03141311 patent/CN1565797A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794755B (en) * | 2005-03-28 | 2012-09-05 | 新灯源科技有限公司 | Heat pipe with flat end face |
| CN100362307C (en) * | 2005-09-08 | 2008-01-16 | 嘉善华昇电子热传科技有限公司 | Method for manufacturing small heat pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |