CN107917632A - A kind of composite type heat rod structure - Google Patents
A kind of composite type heat rod structure Download PDFInfo
- Publication number
- CN107917632A CN107917632A CN201711341167.4A CN201711341167A CN107917632A CN 107917632 A CN107917632 A CN 107917632A CN 201711341167 A CN201711341167 A CN 201711341167A CN 107917632 A CN107917632 A CN 107917632A
- Authority
- CN
- China
- Prior art keywords
- tube body
- copper powder
- capillary layer
- capillary
- sintered copper
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000007872 degassing Methods 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 210000005239 tubule Anatomy 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000005476 soldering Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000037237 body shape Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of composite type heat rod structure, including tube body, bottom cover, sintered copper powder capillary layer, copper mesh capillary layer and degasification tubule, the inner wall of the tube body is equipped with sintered copper powder capillary layer, and the inner side of sintered copper powder capillary layer sets copper mesh capillary layer, and the top of tube body sets degasification tubule；The manufacture method step is：Step 1: tube body shapes；Step 2: sintered copper powder capillary layer makes；Step 3: copper mesh capillary layer makes；Step 4: capillary structure shapes；Step 5: fluting；Step 6: assembling and soldering；Step 7: plume shapes.The production efficiency of the present invention is high, and cost can reduce by more than 30%；Welding the bad of gas leakage is reduced to 0；The capillary structure of design different-thickness can be selected according to the demand of client's power, plume monomer power can be accomplished more than 200W.
Description
Technical field
The present invention relates to a kind of plume structure, is specifically a kind of composite type heat rod structure.
Background technology
Plume, a kind of special shape of heat pipe（The heat pipe that relatively short butt end face is heated）, it is a kind of efficient heat transfer device,
Its axial heat conduction efficiency exceedes more than hundreds times of fine copper, the superconductor for heat of being known as.
Operation principle is phase-change heat transfer, its structure is device capillary wick and liquid work in the vacuum metal pipe of closing
Matter, when heat is passed to inside plume from plume bottom, liquid working substance heat absorption becomes gas evaporation, and quickly turns to tube body condensation end
Move, liquid is condensed into after condensation end discharges heat, fire end is returned along liquid-sucking core, thus constantly circulation, substantial amounts of heat quilt
Take away rapidly.
Advantage：1. being functioned under 30 DEG C of low temperature of ＜, generating heat since the heat source position of bottom just plays a protective role；2.
Heat radiation module is made in plume, and heat radiation power is big, and heat conductivility is stablized, and cyclic fluctuation is small.
The shortcomings that prior art：
One, body portions
1》The upper cover that major part manufacturer mass production plume is all processed using car pin at present, tube body, three parts of lower cover,
Then reuse silver soldering ring and form welding and form seal cavity, the processing of car pin it is with high costs, often cover cost in more than 10RMB,
And upper cover enters inboard wall of tube body with easily causing overflow after solder melts during pipe welding, blocks pore, welding portion blow-by etc.
Problem, average fraction defective is 10% or so.
Two, wicking portions
1st, copper powder sintering capillary (filling out powder) needs to use stainless steel or graphite gauge to be easily lost as center bar, gauge, costly,
Low production efficiency；
2nd, copper mesh capillary can not be fitted closely with inboard wall of tube body, caused liquid reflux to have some setbacks, can not be met high-power demand；
3rd, inboard wall of tube body is applied to using resin, adds appropriate copper powder, copper powder is attached in tube wall, though this method operates
Simply, it is efficient, but capillary layer thickness is partially thin（About below 0.3mm）, can not meet high-power demand.
Three of the above capillary mode respectively has advantage and disadvantage, is all unable to reach high efficiency, high-performance, it is therefore desirable to which it is changed
Into.
The content of the invention
It is an object of the invention to provide a kind of composite type heat rod structure, to solve proposed in the above background technology ask
Topic.
To achieve the above object, the present invention provides following technical solution：
A kind of composite type heat rod structure, including tube body, bottom cover, sintered copper powder capillary layer, copper mesh capillary layer and degasification tubule, it is described
Tube body is arranged on the top of bottom cover, and bottom cover is equipped with two annular grooves, the depth difference of two annular grooves, deeper annular
Groove is used for the opening for coordinating insertion tube body, and silver soldering ring is placed in the inside of shallower annular groove, and the inner wall of the tube body is equipped with
Sintered copper powder capillary layer, the inner side of sintered copper powder capillary layer set copper mesh capillary layer, and the top of tube body sets degasification tubule, described
Degasification tubule is connected by welding with tube body, and the inside of tube body sets spring, the end of the spring and tube body it is interior
Wall is fixedly connected.
A kind of manufacture method of composite type heat rod structure, step are as follows：
Step 1: tube body shapes：Tube body is shaped using punching press or rolling technology；
Step 2: sintered copper powder capillary layer makes：After tube body is cleaned up, last layer tree is smeared in inner wall and upper interior surface
Fat, then places into appropriate copper powder, copper powder is sticked in tube body and the inner wall of upper cover, places into sintering furnace and sinter, in advance
The tube body with sintered copper powder capillary is made；
Step 3: copper mesh capillary layer makes：Then in one or more layers copper mesh of its inner surface place mat of tube body, the hair of inboard wall of tube body is made
Sub-layers thicken；
Step 4: capillary structure shapes：Be inserted into tube body using the spring that is closed with tube body matching size, enable copper mesh closely with burning
The contact of copper powder capillary layer is tied, forms the capillary structure being freely combined of energy meet demand power；
Step 5: fluting：Bottom cover car pin is gone out into two annular grooves using car pin technique；
Step 6: assembling and soldering：Tube body and bottom cover and degasification tubule are assembled, and the silver soldering coordinated with it is put into junction
Ring, then puts it into sintering furnace and is brazed, and after the completion of to be welded, obtains the cavity except degasification tubule external seal；
Step 7: plume shapes：Suitable working fluid is injected by degasification tubule, then is vacuumized, then will be small
Pipe clamp closes sealing, is sealed with argon arc welding, vacuum chamber plume has so just been made.
As the further scheme of the present invention：Step is a kind of, and a degasification aperture is stayed in the upper cover center of tube body.
As further scheme of the invention：In step 5, bottom cover is used coordinates prefabricated sintered copper powder with graphite smelting tool
Capillary layer, makes it form the sintered copper powder capillary layer capillary being connected with the sintered copper powder capillary layer of tube body after being assembled with tube body and returns
Aquaporin.
Compared with prior art, the beneficial effects of the invention are as follows：
1. tube body is high using punching press or the integrally formed production efficiency of rolling mode with upper cover, cost can reduce by more than 30%；
2. tube body is reduced to 0 with upper cover welding the bad of gas leakage,（After solder thawing is easily caused when car pin upper cover and pipe welding
The problems such as overflow enters inboard wall of tube body, blocks pore, welding portion blow-by, average fraction defective is 10% or so）；
3. the capillary structure of design different-thickness can be selected according to the demand of client's power, plume monomer power can be accomplished 200W
Above (130W can only generally be accomplished by gluing powder technique using resin).
Brief description of the drawings
Fig. 1 is the structure diagram of composite type heat rod structure.
In figure：1- tube bodies, 2- bottom covers, 3- sintered copper powders capillary layer, 4- copper mesh capillary layer, 5- degasification tubule, 6- springs, 7-
Silver soldering ring.
Embodiment
The technical solution of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of composite type heat rod structure, including tube body 1, bottom cover 2, sintered copper powder capillary layer 3, copper mesh capillary
Layer 4 and degasification tubule 5, the tube body 1 are arranged on the top of bottom cover 2, and bottom cover 1 is equipped with two annular grooves, and two annulars are recessed
The depth of groove is different, and deeper annular groove is used for the opening for coordinating insertion tube body 1, and silver is placed in the inside of shallower annular groove
Weld-ring 7, the inner wall of the tube body 1 are equipped with sintered copper powder capillary layer 3, and the inner side of sintered copper powder capillary layer 3 sets copper mesh capillary layer
4, the top of tube body 1 sets degasification tubule 5, and the degasification tubule 5 is connected by welding with tube body 1, the inside of tube body 1
Spring 6 is set, and the end of the spring 6 is fixedly connected with the inner wall of tube body 1.
A kind of manufacture method of composite type heat rod structure, step are as follows：
Step 1: tube body 1 shapes：Tube body 1 is shaped using punching press or rolling technology, and is stayed in the upper cover center of tube body 1
One degasification aperture；
Step 2: sintered copper powder capillary layer 2 makes：After tube body 1 is cleaned up, last layer is smeared in inner wall and upper interior surface
Resin, then places into appropriate copper powder, copper powder is sticked in tube body 1 and the inner wall of upper cover, places into sintering furnace and sinter,
It is prefabricated into the tube body 1 with sintered copper powder capillary；
Step 3: copper mesh capillary layer 3 makes：Then in one or more layers copper mesh of its inner surface place mat of tube body 1,1 inner wall of tube body is made
Capillary layer thicken；
Step 4: capillary structure shapes：Tube body 1 is inserted into using the spring 6 closed with 1 matching size of tube body, enables copper mesh close
Contacted with sintered copper powder capillary layer 3, form the capillary structure being freely combined of energy meet demand power；
Step 5: fluting：2 car pin of bottom cover is gone out into two annular grooves using car pin technique, deeper groove, which is used to coordinate, to be inserted into
The opening of tube body 1, shallow groove are used to place silver soldering ring 7, and bottom cover 2 coordinates prefabricated sintered copper powder capillary layer using with graphite smelting tool
3, it is formed 3 capillary of sintered copper powder capillary layer being connected with the sintered copper powder capillary layer 3 of tube body 1 after being assembled with tube body 1 and return
Aquaporin；
Step 6: assembling and soldering：Tube body 1 and bottom cover 2 and degasification tubule 5 are assembled, and is put into junction and to coordinate with it
Silver soldering ring 7, then puts it into sintering furnace and is brazed, and after the completion of to be welded, obtains the chamber except 7 external seal of degasification tubule
Body；
Step 7: plume shapes：Suitable working fluid is injected by degasification tubule 7, then is vacuumized, then will be small
Pipe clamp closes sealing, is sealed with argon arc welding, vacuum chamber plume has so just been made.
In the description of the present invention, it is to be understood that term " centre ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side " " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or position relationship,
Be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Claims (4)
1. a kind of composite type heat rod structure, it is characterised in that including tube body（1）, bottom cover（2）, sintered copper powder capillary layer（3）, copper
Net capillary layer（4）With degasification tubule（5）, the tube body（1）It is arranged on bottom cover（2）Top, bottom cover（1）It is equipped with two annulars
Groove, the depth of two annular grooves is different, and deeper annular groove is used to coordinate insertion tube body（1）Opening, shallower ring
Place silver soldering ring in the inside of connected in star（7）, the tube body（1）Inner wall be equipped with sintered copper powder capillary layer（3）, sintered copper powder capillary
Layer（3）Inner side set copper mesh capillary layer（4）, tube body（1）Top set degasification tubule（5）, the degasification tubule（5）With pipe
Body（1）Connect by welding, tube body（1）Inside set spring（6）, the spring（6）End and tube body（1）'s
Inner wall is fixedly connected.
2. a kind of preparation method of composite type heat rod structure as claimed in claim 1, it is characterised in that step is as follows：
Step 1: tube body（1）Shaping：Using punching press or rolling technology by tube body（1）Shaping；
Step 2: sintered copper powder capillary layer（2）Make：By tube body（1）After cleaning up, apply and spread in inner wall and upper interior surface
One layer of resin, then places into appropriate copper powder, copper powder is sticked in tube body（1）And the inner wall of upper cover, place into sintering furnace
Middle sintering, is prefabricated into the tube body with sintered copper powder capillary（1）；
Step 3: copper mesh capillary layer（3）Make：Then in tube body（1）One or more layers copper mesh of its inner surface place mat, makes tube body
（1）The capillary layer of inner wall thickeies；
Step 4: capillary structure shapes：Using with tube body（1）The spring that matching size closes（6）It is inserted into tube body（1）, enable copper mesh
Closely with sintered copper powder capillary layer（3）Contact, forms the capillary structure being freely combined of energy meet demand power；
Step 5: fluting：Using car pin technique by bottom cover（2）Car pin goes out two annular grooves；
Step 6: assembling and soldering：By tube body（1）With bottom cover（2）And degasification tubule（5）Assembling, and be put into junction and its
The silver soldering ring of cooperation（7）, then put it into sintering furnace and be brazed, after the completion of to be welded, obtain removing degasification tubule（7）Outside
The cavity of sealing；
Step 7: plume shapes：Pass through degasification tubule（7）Suitable working fluid is injected, then is vacuumized, then will
Tubule clamping seals, and is sealed with argon arc welding, vacuum chamber plume has so just been made.
3. the preparation method of composite type heat rod structure according to claim 2, it is characterised in that step is a kind of, in tube body
（1）Upper cover center stay a degasification aperture.
4. the preparation method of composite type heat rod structure according to claim 2, it is characterised in that in step 5, bottom cover（2）
Coordinate prefabricated sintered copper powder capillary layer using with graphite smelting tool（3）, make itself and tube body（1）After assembling with tube body（1）Sintered copper
Powder capillary layer（3）Form the sintered copper powder capillary layer being connected（3）Capillary backwater channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341167.4A CN107917632A (en) | 2017-12-14 | 2017-12-14 | A kind of composite type heat rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341167.4A CN107917632A (en) | 2017-12-14 | 2017-12-14 | A kind of composite type heat rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917632A true CN107917632A (en) | 2018-04-17 |
Family
ID=61893371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711341167.4A Pending CN107917632A (en) | 2017-12-14 | 2017-12-14 | A kind of composite type heat rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917632A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303298A (en) * | 2019-07-02 | 2019-10-08 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of composite wick plume manufacturing process |
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2017
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|---|---|---|---|---|
| CN1504715A (en) * | 2002-12-03 | 2004-06-16 | 徐惠群 | Heat pipe moulding structure |
| CN2681071Y (en) * | 2004-02-25 | 2005-02-23 | 徐惠群 | Heat pipe capillary structure heated at pipe end face |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303298A (en) * | 2019-07-02 | 2019-10-08 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of composite wick plume manufacturing process |
| CN110303298B (en) * | 2019-07-02 | 2020-08-04 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Composite capillary core hot column forming method |
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