CN110220404A - Heat pipe - Google Patents
Heat pipe Download PDFInfo
- Publication number
- CN110220404A CN110220404A CN201910499054.XA CN201910499054A CN110220404A CN 110220404 A CN110220404 A CN 110220404A CN 201910499054 A CN201910499054 A CN 201910499054A CN 110220404 A CN110220404 A CN 110220404A
- Authority
- CN
- China
- Prior art keywords
- tube body
- heat pipe
- capillary structure
- evaporation
- tube
- 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
- 238000001704 evaporation Methods 0.000 claims abstract description 45
- 230000008020 evaporation Effects 0.000 claims abstract description 45
- 238000009833 condensation Methods 0.000 claims abstract description 35
- 230000005494 condensation Effects 0.000 claims abstract description 35
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000009954 braiding Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 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
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- F28D15/0233—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 the conduits having a particular shape, e.g. non-circular cross-section, annular
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)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The present invention provides a kind of heat pipe comprising one first tube body and at least one second tube body.First tube body has an evaporation part, an insulation and a condensation part.Evaporation part, insulation and condensation part are interconnected to define a hollow chamber.First tube body is all closing in two ends on the axial direction of the heat pipe.Second tube body is set to the hollow chamber.Second tube body has an accommodating space and one first capillary structure.First capillary structure is set to the one end of accommodating space close to evaporation part.The hollow chamber of first tube body is mainly steam channel, and second tube body is mainly process fluid passages, the heat pipe in mobile from the evaporation part toward the condensation part in first tube body, and drives working fluid in being flowed in second tube body from the condensation part toward the evaporation part with vapor pressure differential driving steam.
Description
The present invention is a divisional application, and the applying date of original application is on November 28th, 2014, application No. is
201410706245.6 denomination of invention are as follows: heat pipe.
Technical field
The present invention relates to a kind of heat pipe, in particular to a kind of heat pipe using vapor pressure differential driving working fluid.
Background technique
Well known heat pipe mainly by closing metal tube, the wick structure in it and is filled in the intracorporal heat of metal tube
Transfer fluid is formed, and in keeping appropriate vacuum degree in metal tube, to reduce the heat pipe starting temperature difference.Utilize the evaporation ends of heat pipe
(Evaporator) is set to heat source in portion, and the heat for generating heat source vaporizes fluid (liquid phase) evaporation endothermic (latent heat) in pipe
(vapour phase), generated steam are flowed to the condensation part (Condenser) of heat pipe by vapor pressure differential driving, and steam is released in condensation part
It puts latent heat and condenses and revert back to liquid phase, then evaporation part heat pipe is returned to through wick structure by capillary power drive and passes through above-mentioned knot
Structure promptly goes out heat transfer.
Since heat pipe structure is simple and has many advantages, such as high conductance energy, low thermal resistance, already applied to electronics or it is other not
With in field of radiating.However, since electronic application product continues towards portable, lightening, 4K image, 4G transmission, high additional function
It can develop, so that calorific value increases accordingly, well known heat pipe has been unable to satisfy this high heat and high heat-flux requirement, thus necessary
Properties of hot pipe, such as the production method by improveing capillary wick are further promoted, or utilizes combined capillary structure, to be promoted
The capillary force of capillary structure body.However, the mode majority of those improvement needs more verbose production process and time, and formed
Heat pipe structure is still excessively complicated, can not combine cost and heat pipe effect.
Furthermore well known heat pipe when actuation recycles, steam and working-fluid flow it is contrary, and due to steam with
Working fluid interface is not effectively isolated, and working fluid must overcome again can return to evaporation part after steam resistance and follow again
Ring, so that heat pipe need to meet capillary limitation, i.e. internal capillary power has to be larger than the conjunction such as steam pressure, fluid reflux resistance and gravity
Power, heat pipe could be recycled constantly in actuation.
Therefore, how a kind of heat pipe is provided, its hot biography amount can be promoted, and can have under the basis that simple structure designs
Effect solves the demand of electronic product high heat and high heat-flux, it has also become one of important topic.
Summary of the invention
In view of the above subject, it is an object of the present invention to provide a kind of heat pipe, can under the basis that simple structure designs,
Its hot biography amount is promoted, and can effectively solve the demand of electronic product high heat and high heat-flux.
In order to achieve the above object, a kind of heat pipe according to the present invention comprising one first tube body and at least one second tube body.
First tube body has an evaporation part, an insulation and a condensation part.Evaporation part, insulation and condensation part are interconnected to define
One hollow chamber.First tube body is all closing in two ends on the axial direction of the heat pipe.It is hollow that second tube body is set to this
Chamber.Second tube body has an accommodating space and one first capillary structure.First capillary structure is set to accommodating space close to steaming
The one end in hair portion.The hollow chamber of first tube body is mainly steam channel, and second tube body is mainly process fluid passages, should
Heat pipe in mobile from the evaporation part toward the condensation part in first tube body, and drives working fluid with vapor pressure differential driving steam
In in second tube body from the condensation part toward the evaporation part flow.
In one embodiment, the second tube body is located at the evaporation part of part, the condensation part of part and whole insulations.
In one embodiment, the second tube body is only located at the condensation part of part and the insulation of whole.
In one embodiment, the first tube body in its section in the radial direction be cross-section.
In one embodiment, the first capillary structure is formed from metal sintering powder, fiber or braiding mesh, or combinations thereof.
In one embodiment, the first tube body further includes one second capillary structure.Second capillary structure is set to hollow chamber
Close to evaporation part.
In one embodiment, the second capillary structure is formed from metal sintering powder, fiber or braiding mesh, or combinations thereof.
In one embodiment, the first capillary structure is connected with the second capillary structure, or has part overlapped.
In one embodiment, the second capillary structure be located at evaporation part the first tube body inner tubal wall and/or the second tube body outside
Wall portion tap touching.
In one embodiment, the second intracorporal first capillary structure of pipe may extend to outside the second tube body.Positioned at the second tube body
The second outer capillary structure can completely or partially coat the first capillary structure extended outside the second tube body.
In one embodiment, the first capillary structure close to evaporation part is covered with the second tube body.
In one embodiment, the inner tubal wall of the first tube body contacts the outer tube wall of the second tube body.
In one embodiment, heat pipe further includes multiple second tube bodies.Second tube body is in arranged adjacent in the first tube body.
From the above, heat pipe of the invention is due to one second tube body with one first tube body and setting in the inner, and leads to
One first capillary structure is arranged in one end in excessively the second tube body close to evaporation part, to prevent opposing steam flow from entering in the second tube body,
And working fluid is enable to convey in one direction in the second tube body.Since this structure is upper relatively simple in production, can improve
The quality and yield of heat pipe production, and cost can be reduced.In addition, the structural improvement heat pipe of heat pipe of the invention in the form of inner and outer pipes
The efficiency of internal liquid vapour cycle, and then the hot biography ability of heat pipe is promoted, it is particularly suitable for the thermal shock for being conducive to resist transient state, Neng Gouyou
Effect solves high heat and high heat-flux requirement.
Detailed description of the invention
Figure 1A is a kind of partial appearance schematic diagram of heat pipe of present pre-ferred embodiments.
Figure 1B is the schematic cross-section of the Section A-A line of heat pipe shown in figure 1A.
Fig. 1 C is heat pipe shown in figure 1A through flattening treated appearance diagram.
Fig. 1 D is the schematic cross-section of the section B-B line of heat pipe shown in Fig. 1 C.
Fig. 1 E is the representative side section view of heat pipe shown in figure 1A.
Fig. 1 F is a kind of representative side section view of heat pipe of another embodiment of the present invention.
Fig. 2A~Fig. 2 C is respectively the partial appearance schematic diagram of the heat pipe of other embodiments of the invention.
Fig. 3 A is the partial appearance schematic diagram of the heat pipe of other embodiments of the invention.
Fig. 3 B is the schematic diagram that heat pipe shown in Fig. 3 A flatten processing.
Fig. 3 C is heat pipe shown in Fig. 3 A through flattening treated schematic cross-section.
Fig. 4 A is the partial appearance schematic diagram of the heat pipe of another embodiment of the present invention.
Fig. 4 B is the schematic cross-section of the C-C section line of heat pipe shown in Fig. 4 A.
Wherein, the reference numerals are as follows:
H, H1, H2, H3, H4, H5, H6: heat pipe
1,1a, 1b, 1c, 1d, 1e, 1f: the first tube body
10,10b, 10c, 10f: hollow chamber
11,12,11e, 12e: end
13b, 13c, 13d, 13e: the second capillary structure
14d, 14e: inner tubal wall
2,2a, 2b, 2c, 2d, 2e, 2f: the second tube body
20: accommodating space
21,21b, 21c, 21d, 21e: the first capillary structure
24d, 24e: outer tube wall
A: insulation
A-A, B-B, C-C: section line
C: condensation part
D1: axial direction
D2: radial direction
E: evaporation part
Specific embodiment
Hereinafter with reference to relevant drawings, illustrate a kind of heat pipe according to present pre-ferred embodiments, wherein identical element will
It is illustrated with identical reference marks.
Figure 1A is the partial appearance schematic diagram of the heat pipe of present pre-ferred embodiments, and Figure 1B is the A- of heat pipe shown in figure 1A
The schematic cross-section of A section line please also refer to shown in Figure 1A and Figure 1B, and in this present embodiment, heat pipe H has one first tube body
1 and at least one second tube body 2, the present embodiment be illustrated by taking one second tube body 2 as an example.Wherein, the first tube body 1 has in one
Plenum chamber 10, the second tube body 2 are set in hollow chamber 10, and the hollow chamber 10 of the first tube body 1 is steam channel, and the second pipe
Body 2 is process fluid passages.
In this present embodiment, the first tube body 1 is the Slim hollow tube body of an elliptic cylindrical shape, and the first tube body 1 is in its radial direction
Section on the D2 of direction is cross-section.First tube body 1 can for example by copper, silver, aluminium, its alloy or it is other have good heat conductivity
Metal material be fabricated.In practical application, except the second tube body 2 is provided in the first tube body 1, workflow is comprised in addition
Body (not shown go out), working fluid can be that inorganic compound, alcohols, ketone, liquid are golden for any fluid conducive to evaporative heat loss
Or mixtures thereof category, cold coal, organic compound are all described working fluid.In addition, the shape of the first tube body 1, size are all
Non-limiting person, may be, for example, cylindrical tube or rectangular tube body, and end is determined depending on environment, space, heat conduction amount and the temperature of its setting
It is fixed.
Fig. 1 C is that heat pipe shown in figure 1A is flattened treated appearance diagram, and Fig. 1 D is the B- of heat pipe shown in Fig. 1 C
The schematic cross-section of B-section line.It please also refer to shown in Figure 1A, Fig. 1 C and Fig. 1 D, the forming method of the heat pipe H of the present embodiment will
Second tube body 2 is set in the hollow chamber 10 of the first tube body 1, is vacuumized again after working fluid injection to complete heat pipe H's
Production, and the rear process forming such as (flaky process) is flattened to the first tube body 1 and the second tube body 2 simultaneously；Alternatively, also can be first
It is filled the water again after being vacuumized to the first tube body 1 and the second tube body 2, completes the production of heat pipe H, the present invention is unlimited in this.In other words, originally
Two ends 11,12 on the axial direction D1 of the first tube body 1 of the heat pipe H of embodiment are all closing.
It equally please refers to shown in Figure 1A to Fig. 1 D, the second tube body 2 of heat pipe H has an accommodating space 20 and one first mao
Fine texture 21, the first capillary structure 21 are set to the accommodating space 20 of only part.By taking the present embodiment as an example, the first capillary structure 21
Accommodating space 20 is set to close to the side of evaporation part E, and preferably, the first capillary structure 21 to be distributed in accommodating space 20 close
1/3 length of about second tube body 2 of end 11 of heat pipe H.
It further illustrates, first capillary structure 21 of the present embodiment is formed in outside the second tube body 2.Specifically, first mao
Fine texture 21 is formed in first outside the first tube body 2, forming mode can such as, but not limited to including high temperature sintering and/or project at
The modes such as type, and before the first capillary structure 21 is set to the second tube body 2, suitably by those forming modes control first
The porosity (porosity) and permeability of capillary structure 21, enable working fluid return to the amount of evaporator section to increase, in turn
The capillary force of capillary structure is promoted, and effectively increases the maximum heat biography amount (Qmax) of heat pipe.
Formation compared to the wick structure of known heat pipe is in plug fixes metal powder in setting in metal tube
End, and being formed via high temperature sintering, required middle plug it is at high cost, and all may in the technique for being sintered or pulling out plug
It will cause losing for plug, or even destroy capillary structure, and then influence the quality of properties of hot pipe, the first capillary knot of the invention
Structure 21 is first to be shaped in outside, and the shape of capillary structure can be designed according to performance requirement, not will receive in traditional palpus utilization
The limitation of mandrel process；And preferably, the superiority and inferiority of the first capillary structure 21 can first screen outside the second tube body 2, exclude in advance
Defective products, to promote the yield of heat pipe H.
The formation of the first capillary structure 21 about the present embodiment is in the above described manner not limitation, in practical application,
First capillary structure 21 also can be fiber (fiber) or braiding mesh in addition to that can be above-mentioned formation from metal sintering powder
(mesh), or combinations thereof, end is selected depending on technique and the demand of heat dissipation.
Furthermore the second tube body 2 of the heat pipe H of the present embodiment can be prevented effectively due to having the first capillary structure 21
Opposing steam flow enters in the second tube body 2, so that working fluid unidirectional can convey in the second tube body 2.
Next referring to shown in Fig. 1 E, the structure of the heat pipe H of following more detailed description the present embodiment, the first tube body 1 has
One evaporation part E, an insulation A and a condensation part C, evaporation part E, insulation A and condensation part C are interconnected hollow to define this
Chamber 10, evaporation part E and condensation part C are respectively close to two ends 11,12 of the first tube body 1, and insulation A is then located at evaporation part E
Between the C of condensation part, the region that only insulation A and condensation part C shown by Fig. 1 E are covered only for signal rather than to
Limit its range.In this present embodiment, the second tube body 2 is located at the evaporation part E of part, the condensation part C of part and whole insulation
Portion A.This right non-limiting person, in other embodiments (as shown in fig. 1F), the second tube body 2a of heat pipe H1 is then only located at part
Condensation part C and whole insulation A.
When practical application heat pipe H, the one end for being set to heat source is the evaporation part E of heat pipe H, and one end far from heat source is heat pipe
The condensation part C of H.In radiation processes, working fluid is evaporated vapour because of the latent heat that heat source generates by the working fluid close to evaporation part E
Change, and it is mobile toward the condensation part direction C of the first tube body after working fluid vaporization, and during being moved to condensation part C gradually
The working fluid of re-condenses back into liquid form, evaporation part E is evaporated to higher-pressure region at this time, and condensation part C is then gradually condensed into low-pressure area, passes through heat
Be formed by pipe H vapor pressure differential driving steam in the first tube body 1 from evaporation part E via insulation A toward condensation part C move
It is dynamic, and drive working fluid in being flowed from condensation part C via insulation A toward the evaporation portion E in the second tube body 2, also that is, the work of condensation
The second tube body 2 can be pushed by vapor pressure differential by making fluid, and in the second tube body 2 again transport flow to evaporation part E.Change speech
It, the heat that heat source generates is vaporized (vapour phase) by working fluid (liquid phase) evaporation endothermic in pipe, and generated steam is by steaming
Steam pressure difference drives the condensation part C for flowing to heat pipe H, and steam is to condense the workflow for reverting back to liquid phase in condensation part C release latent heat
Body.So constantly circulation is radiated with heat pipe H through this embodiment.
Hold above-mentioned, the heat pipe H of the present embodiment can improve liquid vapour cycle to promote the hot biography ability of heat pipe H, due to heat pipe H with
Vapour pressure drives working fluid return that can bear the variation of pyrotoxin excursion compared with nonreactive Gravity Problem.More preferably, this reality
The heat pipe H of example is applied since structure is simple, the quality and yield of heat pipe production can be improved, reduce cost.
Fig. 2A and Fig. 2 B is respectively the partial appearance schematic diagram of the heat pipe of other embodiments of the invention.Need to first it illustrate,
The structure of heat pipe H2, H3 and the heat pipe H1 of previous embodiment are substantially the same, and only heat pipe H2, H3 further includes one second capillary structure
13b, 13c, and second capillary structure 13b, 13c is set to hollow chamber 10b, 10c close to the end of heat pipe H2, H3 11, changes speech
It, first capillary structure 21b, 21c and second capillary structure 13b, 13c are all disposed in proximity to the end 11 of heat pipe H2, H3.Its
In, the second capillary structure 13b of heat pipe H2 is fiber, preferably braiding mesh, and the second capillary structure 13c of heat pipe H3 is thin
Fiber.
Referring first to shown in Fig. 2A, in the heat pipe H2 of the present embodiment, the second capillary structure 13b be located at evaporation part E
The first tube body 1b inner tubal wall 14b and/or the part the second tube body 2b outer tube wall 24b contact.The first capillary in second tube body 2b
Structure 21b may extend to outside the second tube body 2b.Wherein, at least part of first capillary structure 21b and the second tube body 2b is extended to
The second outer capillary structure 13b is connected, or has that part is overlapped, and the fluid in the second tube body 2b is transmitted to the second pipe
Outside body 2b, while reaching barrier opposing steam flow and entering effect in the second tube body 2b.
When practical application, the relationship between the first capillary structure and the second capillary structure is not limited as above, such as heat pipe
At least part of first capillary structure 21c of H3 and extend to side of the second capillary structure 13c to wind outside the second tube body 2c
Formula is contacted, so that laser propagation effect between the two is more preferably.
In addition, as shown in Figure 2 C, the first capillary structure 21d of heat pipe H4 is extended to outside the second tube body 2d, it is located at being formed
The second capillary structure 13d between first tube body 1d inner tubal wall 14d and the second tube body 2d outer tube wall 24d.In other words, in this implementation
In example, the second capillary structure 13d for extending the first capillary structure 21d outside the second tube body 2d i.e. while being heat pipe H4, thus
With the advantage for simplifying technique.
It should be noted that about first capillary structure 21b, 21c, 21d and the second capillary knot in heat pipe H3, H4, H5
The restricted person of the generation type of structure 13b, 13c, 13d all non-present invention can be formed from metal sintering powder, fiber or mesh grid
Mesh, or combinations thereof, and can be formed between first capillary structure 21b, 21c, 21d and second capillary structure 13b, 13c, 13d from phase
Same or different form, the restricted person of this non-present invention.
Fig. 3 A is the partial appearance schematic diagram of the heat pipe of other embodiments of the invention, and Fig. 3 B is that heat pipe shown in Fig. 3 A carries out
The schematic diagram of processing is flattened, Fig. 3 C is heat pipe shown in Fig. 3 A through flattening treated schematic cross-section.In this present embodiment, hot
The structure of pipe H5 and the heat pipe H2 of previous embodiment are substantially the same, only the first tube body 1e of heat pipe H5 in secondly end 11e,
The inner tubal wall 14e of 12e contacts the outer tube wall 24e of the second tube body 2e after flattening is handled, and after heat pipe H5 flattening, is located at the
The second capillary structure 13e outside two tube body 2e can completely or partially coat the first capillary structure extended outside the second tube body 2e
21e, effectively to promote the hot transfer efficiency of heat pipe H5.
Fig. 4 A is the partial appearance schematic diagram of the heat pipe of another embodiment of the present invention, and Fig. 4 B is the C- of heat pipe shown in Fig. 4 A
The schematic cross-section of C section line please also refer to shown in Fig. 4 A and Fig. 4 B, compared to foregoing embodiments, heat pipe H6 have compared with
The first big tube body 1f, in other words, the first tube body 1f have biggish hollow chamber 10f.Wherein, heat pipe H6 has multiple second
Tube body 2f, the second tube body 2f are in arranged adjacent in the first tube body 1f.By the setting of most the second tube body 2f, area can be formed
Biggish flat hot pipe H6.Since the heat pipe H6 of the present embodiment is equally handled through flattening, the inner surface contact of the first tube body 1f in
The outer tube wall of second tube body 2f enables the second tube body 2f to prevent heat pipe H6 depressed deformation as the support construction of heat pipe H6.
In conclusion heat pipe of the invention is due to one first tube body and setting one second tube body in the inner, and lead to
One first capillary structure is arranged in one end in excessively the second tube body close to evaporation part, to prevent opposing steam flow from entering in the second tube body,
And working fluid is enable to convey in one direction in the second tube body.Since this structure is upper relatively simple in production, can improve
The quality and yield of heat pipe production, and cost can be reduced.In addition, the structural improvement heat pipe of heat pipe of the invention in the form of inner and outer pipes
The efficiency of internal liquid vapour cycle, and then the hot biography ability of heat pipe is promoted, it is particularly suitable for the thermal shock for being conducive to resist transient state, Neng Gouyou
Effect solves high heat and high heat-flux requirement.
The foregoing is merely illustratives, rather than are restricted person.It is any without departing from spirit and scope of the invention, and to it
The equivalent modifications or change of progress, are intended to be limited solely by appended claims.
Claims (9)
1. a kind of heat pipe, comprising:
One first tube body has an evaporation part, an insulation and a condensation part, the evaporation part, the insulation and the condensation part phase
It is intercommunicated to define a hollow chamber, first tube body in two ends on the axial direction of the heat pipe be all closing；And
At least one second tube body, is set to the hollow chamber and second tube body is only located at the condensation part of part and whole
The insulation or second tube body are located at the evaporation part of part, the condensation part of part and whole insulations, this
Two tube bodies have an accommodating space and one first capillary structure, which is set to the accommodating space close to the evaporation
The one end in portion and first capillary structure are in forming shape, porosity to control first capillary structure outside second tube body
With permeability；
Wherein, the hollow chamber of first tube body be steam channel, and second tube body be process fluid passages, the heat pipe with
Vapor pressure differential drives steam in mobile from the evaporation part toward the condensation part in first tube body, and drive working fluid in this
It is flowed in two tube bodies from the condensation part toward the evaporation part,
Wherein, which further includes one second capillary structure, which is set to the hollow chamber close to this
Evaporation part, second capillary structure extend to outside second tube body, which is connected with second capillary structure
Or there is part overlapped；
Wherein, at least part of first capillary structure is wound with second capillary structure that extends to outside second tube body
Mode is contacted, and second capillary structure is set to whole evaporation parts or the partial evaporation part.
2. heat pipe according to claim 1, wherein first tube body in its section in the radial direction be cross-section.
3. heat pipe according to claim 1, wherein first capillary structure is formed from metal sintering powder, fiber or mesh grid
Mesh, or combinations thereof.
4. heat pipe according to claim 1, wherein second capillary structure is formed from metal sintering powder, fiber or mesh grid
Mesh, or combinations thereof.
5. heat pipe according to claim 1, wherein second capillary structure be located in first tube body of the evaporation part
Tube wall and/or the second body outer tube wall part contact.
6. heat pipe according to claim 1, wherein intracorporal first capillary structure of the second pipe may extend to this second
Outside tube body, after the heat pipe flattening, second capillary structure outside second tube body can completely or partially coat extension
The first capillary structure outside second tube body.
7. heat pipe according to claim 1, wherein first capillary structure close to the evaporation part is covered with second tube body.
8. heat pipe according to claim 1, wherein the inner tubal wall of first tube body contacts the outer tube wall of second tube body.
9. heat pipe according to claim 1 further includes multiple second tube bodies, the multiple second tube body is in first tube body
Interior arranged adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499054.XA CN110220404A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706245.6A CN105698578A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
| CN201910499054.XA CN110220404A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410706245.6A Division CN105698578A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110220404A true CN110220404A (en) | 2019-09-10 |
Family
ID=56078966
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910499054.XA Pending CN110220404A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
| CN201410706245.6A Pending CN105698578A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410706245.6A Pending CN105698578A (en) | 2014-11-28 | 2014-11-28 | Heat pipe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20160153722A1 (en) |
| CN (2) | CN110220404A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11454456B2 (en) | 2014-11-28 | 2022-09-27 | Delta Electronics, Inc. | Heat pipe with capillary structure |
| CN106837634B (en) * | 2017-03-02 | 2018-12-04 | 王志卓 | A kind of fuel filtration |
| TWM562956U (en) * | 2017-10-12 | 2018-07-01 | 泰碩電子股份有限公司 | Vapor chamber with runner constituted by embrossing |
| JP6560425B1 (en) * | 2018-11-09 | 2019-08-14 | 古河電気工業株式会社 | heat pipe |
| CN114761752A (en) * | 2020-01-21 | 2022-07-15 | 株式会社藤仓 | Heat pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640347A (en) * | 1984-04-16 | 1987-02-03 | Q-Dot Corporation | Heat pipe |
| CN101545734A (en) * | 2008-03-26 | 2009-09-30 | 超众科技股份有限公司 | Long-acting type heat pipe and manufacturing method thereof |
| CN101901790A (en) * | 2010-01-15 | 2010-12-01 | 富瑞精密组件（昆山）有限公司 | Flat thin type heat pipe |
| CN201787845U (en) * | 2010-09-02 | 2011-04-06 | 昆山巨仲电子有限公司 | Multiple-capillary structure of heat pipe |
| CN103868386A (en) * | 2012-12-17 | 2014-06-18 | 富瑞精密组件（昆山）有限公司 | Flat plate heat pipe and manufacturing method thereof |
Family Cites Families (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3498369A (en) * | 1968-06-21 | 1970-03-03 | Martin Marietta Corp | Heat pipes with prefabricated grooved capillaries and method of making |
| GB1275946A (en) * | 1969-01-28 | 1972-06-01 | Messerschmitt Boelkow Blohm | Apparatus for the conduction or exchange of heat |
| US3620298A (en) * | 1970-07-22 | 1971-11-16 | Mc Donnell Douglas Corp | Continuous heat pipe and artery connector therefor |
| US3777502A (en) * | 1971-03-12 | 1973-12-11 | Newport News Shipbuilding Dry | Method of transporting liquid and gas |
| US4020898A (en) * | 1973-02-14 | 1977-05-03 | Q-Dot Corporation | Heat pipe and method and apparatus for fabricating same |
| US3892273A (en) * | 1973-07-09 | 1975-07-01 | Perkin Elmer Corp | Heat pipe lobar wicking arrangement |
| US4018269A (en) * | 1973-09-12 | 1977-04-19 | Suzuki Metal Industrial Co., Ltd. | Heat pipes, process and apparatus for manufacturing same |
| US4109709A (en) * | 1973-09-12 | 1978-08-29 | Suzuki Metal Industrial Co, Ltd. | Heat pipes, process and apparatus for manufacturing same |
| US3844342A (en) * | 1973-11-01 | 1974-10-29 | Trw Inc | Heat-pipe arterial priming device |
| US4116266A (en) * | 1974-08-02 | 1978-09-26 | Agency Of Industrial Science & Technology | Apparatus for heat transfer |
| US4003427A (en) * | 1974-10-15 | 1977-01-18 | Grumman Aerospace Corporation | Heat pipe fabrication |
| US4019571A (en) * | 1974-10-31 | 1977-04-26 | Grumman Aerospace Corporation | Gravity assisted wick system for condensers, evaporators and heat pipes |
| US4058159A (en) * | 1975-11-10 | 1977-11-15 | Hughes Aircraft Company | Heat pipe with capillary groove and floating artery |
| US4248295A (en) * | 1980-01-17 | 1981-02-03 | Thermacore, Inc. | Freezable heat pipe |
| US4463798A (en) * | 1981-01-07 | 1984-08-07 | The Boeing Company | Electrostatically pumped heat pipe and method |
| US4414961A (en) * | 1981-02-18 | 1983-11-15 | Luebke Robert W | Solar energy collecting panel and apparatus |
| US4474170A (en) * | 1981-08-06 | 1984-10-02 | The United States Of America As Represented By The United States Department Of Energy | Glass heat pipe evacuated tube solar collector |
| US4441548A (en) * | 1981-12-28 | 1984-04-10 | The Boeing Company | High heat transport capacity heat pipe |
| US4515209A (en) * | 1984-04-03 | 1985-05-07 | Otdel Fiziko-Tekhnicheskikh Problem Energetiki Uralskogo Nauchnogo Tsentra Akademi Nauk Ssr | Heat transfer apparatus |
| DE3568631D1 (en) * | 1984-12-27 | 1989-04-13 | Toshiba Kk | Heat pipe |
| US4815528A (en) * | 1987-09-25 | 1989-03-28 | Thermacore, Inc. | Vapor resistant arteries |
| JPH0612370Y2 (en) * | 1987-12-24 | 1994-03-30 | 動力炉・核燃料開発事業団 | Double tube heat pipe type heat exchanger |
| US5036908A (en) * | 1988-10-19 | 1991-08-06 | Gas Research Institute | High inlet artery for thermosyphons |
| DE3929024A1 (en) * | 1989-09-01 | 1991-03-14 | Deutsche Forsch Luft Raumfahrt | HEATPIPE |
| JPH05118780A (en) * | 1991-08-09 | 1993-05-14 | Mitsubishi Electric Corp | Heat pipe |
| TW407455B (en) * | 1997-12-09 | 2000-10-01 | Diamond Electric Mfg | Heat pipe and its processing method |
| US6148906A (en) * | 1998-04-15 | 2000-11-21 | Scientech Corporation | Flat plate heat pipe cooling system for electronic equipment enclosure |
| JP4278739B2 (en) * | 1998-08-28 | 2009-06-17 | 古河電気工業株式会社 | Flat heat pipe and manufacturing method thereof |
| US6868898B2 (en) * | 2003-03-26 | 2005-03-22 | Intel Corporation | Heat pipe having an inner retaining wall for wicking components |
| JP4391366B2 (en) * | 2003-09-12 | 2009-12-24 | 古河電気工業株式会社 | Heat sink with heat pipe and method of manufacturing the same |
| US6957691B2 (en) * | 2003-11-12 | 2005-10-25 | Pao-Shu Hsieh | Sealing structure of a heat-dissipating tube |
| US7647961B2 (en) * | 2004-10-25 | 2010-01-19 | Thermal Corp. | Heat pipe with axial and lateral flexibility |
| TWI280344B (en) * | 2005-08-17 | 2007-05-01 | Wistron Corp | Heat pipe containing sintered powder wick and manufacturing method for the same |
| CN1955628A (en) * | 2005-10-24 | 2007-05-02 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN100498184C (en) * | 2005-11-17 | 2009-06-10 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN100480611C (en) * | 2005-11-17 | 2009-04-22 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN100552365C (en) * | 2005-11-18 | 2009-10-21 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN100529641C (en) * | 2006-05-19 | 2009-08-19 | 富准精密工业(深圳)有限公司 | Composite hot pipe and its production |
| CN101093151B (en) * | 2006-06-21 | 2010-04-14 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101349519A (en) * | 2007-07-18 | 2009-01-21 | 富准精密工业(深圳)有限公司 | Hot pipe |
| CN101349520B (en) * | 2007-07-20 | 2010-12-29 | 富准精密工业(深圳)有限公司 | Hot pipe and manufacturing method thereof |
| CN101398272A (en) * | 2007-09-28 | 2009-04-01 | 富准精密工业(深圳)有限公司 | Hot pipe |
| US8919427B2 (en) * | 2008-04-21 | 2014-12-30 | Chaun-Choung Technology Corp. | Long-acting heat pipe and corresponding manufacturing method |
| US20090308576A1 (en) * | 2008-06-17 | 2009-12-17 | Wang Cheng-Tu | Heat pipe with a dual capillary structure and manufacturing method thereof |
| US20100155033A1 (en) * | 2008-10-28 | 2010-06-24 | Kazak Composites, Inc. | Thermal management system using micro heat pipe for thermal management of electronic components |
| CN101749977A (en) * | 2008-12-22 | 2010-06-23 | 富瑞精密组件（昆山）有限公司 | Heat pipe and manufacturing method thereof |
| CN101634532B (en) * | 2008-12-22 | 2011-06-15 | 富瑞精密组件（昆山）有限公司 | Heat pipe manufacturing method |
| CN102326046A (en) * | 2009-02-24 | 2012-01-18 | 株式会社藤仓 | Flat heat pipe |
| CN101819002A (en) * | 2009-02-26 | 2010-09-01 | 富瑞精密组件（昆山）有限公司 | Flat and thin type heat pipe |
| TW201100736A (en) * | 2009-06-17 | 2011-01-01 | Yeh Chiang Technology Corp | Superthin heat pipe |
| CN102449423A (en) * | 2009-07-21 | 2012-05-09 | 古河电气工业株式会社 | Flattened heat pipe, and method for manufacturing the heat pipe |
| CN201532142U (en) * | 2009-10-30 | 2010-07-21 | 昆山巨仲电子有限公司 | Flat heat pipe with hooked capillary structure |
| CN101900507B (en) * | 2010-01-15 | 2011-12-21 | 富瑞精密组件（昆山）有限公司 | Flat and thin type heat pipe |
| CN101900506A (en) * | 2010-01-15 | 2010-12-01 | 富瑞精密组件（昆山）有限公司 | Flat and thin heat guide pipe |
| WO2011091698A1 (en) * | 2010-01-27 | 2011-08-04 | Fu Liming | Cold/thermal flow media supply pipeline with variable cross-section |
| US20110214841A1 (en) * | 2010-03-04 | 2011-09-08 | Kunshan Jue-Chung Electronics Co. | Flat heat pipe structure |
| CN102243030A (en) * | 2010-05-14 | 2011-11-16 | 富瑞精密组件（昆山）有限公司 | Flat heat conduction pipe and method for manufacturing same |
| US20120037344A1 (en) * | 2010-08-11 | 2012-02-16 | Celsia Technologies Taiwan, I | Flat heat pipe having swirl core |
| US20120048516A1 (en) * | 2010-08-27 | 2012-03-01 | Forcecon Technology Co., Ltd. | Flat heat pipe with composite capillary structure |
| US20120048517A1 (en) * | 2010-08-31 | 2012-03-01 | Kunshan Jue-Chung Electronics Co., | Heat pipe with composite wick structure |
| CN102466422B (en) * | 2010-11-08 | 2015-08-12 | 富瑞精密组件（昆山）有限公司 | Flat heat pipe and manufacture method thereof |
| US20120111542A1 (en) * | 2010-11-09 | 2012-05-10 | Alcoa Inc. | Coiled heat pipes and methods thereof |
| US20120227934A1 (en) * | 2011-03-11 | 2012-09-13 | Kunshan Jue-Chung Electronics Co. | Heat pipe having a composite wick structure and method for making the same |
| TW201248107A (en) * | 2011-05-31 | 2012-12-01 | Asia Vital Components Co Ltd | Thin heat pipe structure and manufacturing method thereof |
| US20130126131A1 (en) * | 2011-11-18 | 2013-05-23 | Chih-peng Chen | Heat pipe structure |
| TWI530654B (en) * | 2011-12-26 | 2016-04-21 | 鴻準精密工業股份有限公司 | Plate type heat pipe |
| US20130174966A1 (en) * | 2012-01-11 | 2013-07-11 | Forcecon Technology Co., Ltd. | Molding method of a heat pipe for capillary structure with controllable sintering position |
| US20130180688A1 (en) * | 2012-01-16 | 2013-07-18 | Cooler Master Co., Ltd. | Heat-dissipating module and method for manufacturing the same |
| US10598442B2 (en) * | 2012-03-12 | 2020-03-24 | Cooler Master Development Corporation | Flat heat pipe structure |
| TWI457528B (en) * | 2012-03-22 | 2014-10-21 | Foxconn Tech Co Ltd | Plate type heat pipe |
| CN103673702B (en) * | 2012-08-31 | 2016-12-28 | 富瑞精密组件（昆山）有限公司 | Heat pipe and manufacture method thereof |
| CN104101240B (en) * | 2013-04-12 | 2017-02-08 | 纬创资通(昆山)有限公司 | thin type heat pipe |
| TW201527706A (en) * | 2014-01-14 | 2015-07-16 | Hao Pai | Heat pipe structure having bilateral strip wick |
| CN111306972A (en) * | 2014-11-28 | 2020-06-19 | 台达电子工业股份有限公司 | Heat pipe |
| US20160201992A1 (en) * | 2015-01-09 | 2016-07-14 | Delta Electronics, Inc. | Heat pipe |
-
2014
- 2014-11-28 CN CN201910499054.XA patent/CN110220404A/en active Pending
- 2014-11-28 CN CN201410706245.6A patent/CN105698578A/en active Pending
-
2015
- 2015-07-07 US US14/793,132 patent/US20160153722A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640347A (en) * | 1984-04-16 | 1987-02-03 | Q-Dot Corporation | Heat pipe |
| CN101545734A (en) * | 2008-03-26 | 2009-09-30 | 超众科技股份有限公司 | Long-acting type heat pipe and manufacturing method thereof |
| CN101901790A (en) * | 2010-01-15 | 2010-12-01 | 富瑞精密组件（昆山）有限公司 | Flat thin type heat pipe |
| CN201787845U (en) * | 2010-09-02 | 2011-04-06 | 昆山巨仲电子有限公司 | Multiple-capillary structure of heat pipe |
| CN103868386A (en) * | 2012-12-17 | 2014-06-18 | 富瑞精密组件（昆山）有限公司 | Flat plate heat pipe and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160153722A1 (en) | 2016-06-02 |
| CN105698578A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103629963B (en) | Multi-scale capillary core flat plate loop heat pipe type heat-dissipation device | |
| US11796259B2 (en) | Heat pipe | |
| CN110220404A (en) | Heat pipe | |
| US7743819B2 (en) | Heat pipe and method for producing the same | |
| CN100561105C (en) | Heat pipe | |
| CN107167008B (en) | A kind of ultra-thin panel heat pipe and its manufacturing method | |
| US20110174464A1 (en) | Flat heat pipe and method for manufacturing the same | |
| TWI443944B (en) | Thin hot plate structure | |
| US20070240857A1 (en) | Heat pipe with capillary wick | |
| TW201945683A (en) | Loop heat pipe with condensation section partially filled with capillary material including an evaporation cavity, a condensation section, a steam flow pipe and a liquid flow pipe, and characterized in ensuring a liquid working fluid to actually absorb and a return speed to be fast | |
| CN105099277B (en) | Day-night temperature difference power generation device based on solar energy | |
| CN205488104U (en) | Ultra -thin heat conduction component and ultra -thin heat conduction component of buckling | |
| US20190195569A1 (en) | Wick structure and loop heat pipe using same | |
| US9802240B2 (en) | Thin heat pipe structure and manufacturing method thereof | |
| CN207706623U (en) | A kind of electronic equipment radiator | |
| JP3175221U (en) | Heat pipe structure | |
| CN201892459U (en) | Thermal conducting device with capillary microstructure | |
| JP3194101U (en) | Heat pipe with composite capillary structure | |
| TWI284728B (en) | Heat pipe | |
| US9476652B2 (en) | Thin heat pipe structure having enlarged condensing section | |
| CN215572347U (en) | Loop heat pipe | |
| CN202229638U (en) | Ultra-thin flat heat pipe structure | |
| CN105823359B (en) | Heat pipe | |
| TW201512625A (en) | Heat pipe structure and manufacturing method thereof | |
| CN104427824A (en) | Heat dissipation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190910 |
|
| RJ01 | Rejection of invention patent application after publication |