CN206247927U - A kind of three-dimensional integrated structure vapor chamber heat-pipe radiator - Google Patents
A kind of three-dimensional integrated structure vapor chamber heat-pipe radiator Download PDFInfo
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- CN206247927U CN206247927U CN201621140760.3U CN201621140760U CN206247927U CN 206247927 U CN206247927 U CN 206247927U CN 201621140760 U CN201621140760 U CN 201621140760U CN 206247927 U CN206247927 U CN 206247927U
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Abstract
The utility model discloses a kind of three-dimensional integrated structure vapor chamber heat-pipe radiator, the radiator includes ring-type inner casing and ring-shaped shell, inner casing is sleeved in the cavity of shell, a toroidal cavity is formed between inner casing and shell, inner casing two ends and the end face fitted seal at shell two ends, form closed cavity；Inner casing inner ring surface is distributed with and is distributed with and the integrally formed radiating fin of shell with the integrally formed radiating fin of inner casing, shell outer ring surface；The side of shell is plane, and the plane is heating surface, has porous material on the internal face of heating surface, and on the internal face of heating surface, the area of porous material is more than heating source area to the porous material docile；Heat-exchange working medium is filled with after closed cavity vacuum state, working medium minimum is the quality that porous material is all saturated with liquid.Corresponding inner casing outer surface is distributed with multiple boss for compressing porous material at porous material position, spaced between boss and boss.
Description
Technical field
The utility model belongs to hot pipe technique field, and in particular to a kind of vapor chamber heat pipe heat radiation of three-dimensional integrated structure
Device.
Background technology
In hot pipe technique, the liquid working substance filled in cavity is vaporized in fire end heat absorption, then cold in radiating end heat release
It is solidifying, heat transmission in a certain direction is realized with this.The product derived by hot pipe technique is various, the application field of the technology
Also it is very wide, light fixture radiating, satellite thermal control, daily-use electrical appliance, computer etc. are covered, at present can be by heat pipe point according to heat-transfer path
Into two major classes：
The first kind, point-to-point radiating heat pipe, heat is conducted to heat pipe body, straight line or song of the working medium in heat pipe by a bit
Transmission radiating is carried out on line direction, then condensation radiating is carried out in heat pipe cold end.The heat pipe of representative has copper water heat pipe, gravity heat
Pipe, axial-grooved heat pipe etc..
Equations of The Second Kind, point-to-area radiating heat pipe, heat is conducted to heat pipe body by a bit, and working medium is carried out in the whole face of heat pipe
Transmission radiating.The heat pipe of representative has vapor chamber heat pipe VC, loop circuit heat pipe etc..
With being continuously increased for current heater members power, heat pipe needs the heat power consumption of dissipation also increasing, radiating surface
The situation that product design is not enough is more and more, more especially can only be not enough by air-cooled or heat loss through convection heat pipe, area of dissipation
Problem it is more obvious.Conventional way is optimization radiating fin design, and radiating efficiency is improved with this, or extra in heat pipe sheet
The method such as soldering, gluing radiating fin increases area of dissipation on body, but due to increasing the influence of thermal resistance, these extra additions
The radiating efficiency that the method for fin is actually used is not high, and the cost of additional processing is not also low.
It is badly in need of the class heat pipe design of utility model the 3rd on the basis of this application demand, overcomes existing heat-pipe radiator to radiate
The not enough problem of area.
Utility model content
In view of this, the utility model provides a kind of three-dimensional integrated structure vapor chamber heat-pipe radiator, by by steam
Chamber heat pipe carries out three dimensional stress design, the area of dissipation and heat-sinking capability of radiator is significantly increased, so as to reduce pyrotoxin
Operating temperature.
Three-dimensional integrated structure vapor chamber heat-pipe radiator of the present utility model is achieved through the following technical solutions：
The radiator includes ring-type inner casing and ring-shaped shell, and inner casing is sleeved in the cavity of shell, inner casing and shell it
Between form a toroidal cavity, the end face fitted seal at inner casing two ends and shell two ends forms closed cavity；Inner casing inner ring surface point
It is furnished with and is distributed with and the integrally formed radiating fin of shell with the integrally formed radiating fin of inner casing, shell outer ring surface；Shell
Side is plane, and the plane is heating surface, has porous material on the internal face of heating surface, and the porous material docile is in heating surface
On internal face, the area of porous material is more than heating source area；Heat-exchange working medium is filled with after closed cavity vacuum state, working medium is most
The quality of liquid is all saturated with for porous material in a small amount.
Wherein, the outside wall surface of the planar structure is the thermal source mounting surface of radiator, on the internal face of the planar structure
Porous material is disposed with, corresponding inner casing outer surface is distributed with multiple for compressing the convex of porous material at porous material position
Platform, it is spaced between boss and boss.
Punched by radiator top surface, heat-exchange working medium will be filled with after closed cavity vacuum state, working medium minimum is
Porous material is all saturated with the quality of liquid.Working medium seals hole after charging, and seal process avoids air secondary from pouring in down a chimney into cavity
It is interior.Wherein, the working medium being filled with the closed cavity should ensure that its purity.
Beneficial effect：
(1) vapor chamber heat pipe uses three-dimensional integrated structure, and the area for enabling vapor chamber extends, the quantity of radiating fin
Increase therewith, its area of dissipation increases by more than 2.5 times compared to flat board vapor chamber heat pipe heat radiation area, dissipated compared to axial-grooved heat pipe etc.
Hot area increases by more than 10 times, under the condition of work of equal-wattage and heat consumption, can substantially reduce the operating temperature of component,
(2) the three-dimensional vapor chamber heat pipe is using inside and outside shell structure assembly welding, inner casing and its internal heat dissipating fin and shell
External cooling fin is integrally formed, and reduces the loss of the interface resistance that conventional heat pipe brings with fin compound tense.
(3) evaporating surface of radiator described in shell is plane, EDS maps in the cavity pocket of outer cover of the evaporating surface correspondence position
There is the porous material fitted therewith, using loose structure capillary wick, the power flowed back after liquid condensation can be provided, and also can
To allow heat pipe to be worked under the attitude of certain antigravity, in addition, the pore size of loose structure can also be carried out according to the actual requirements
Selection, the loose structure of more small-bore can realize the transmission of more high-power heat consumption.
Brief description of the drawings
Fig. 1 is the three-dimensional integrated structure vapor chamber heat-pipe radiator steam chamber enclosure schematic diagram in the utility model；
Fig. 2 is the three-dimensional integrated structure vapor chamber heat-pipe radiator vapor chamber inner casing schematic diagram in the utility model；
Fig. 3 is three-dimensional integrated structure vapor chamber heat-pipe radiator vapor chamber inner casing and shell the assembling weldering in the utility model
Connect schematic diagram；
Fig. 4 is the front view of the final figure of three-dimensional integrated structure vapor chamber heat-pipe radiator product in the utility model；
Fig. 5 is the three-dimensional model diagram of the three-dimensional integrated structure vapor chamber heat-pipe radiator in the utility model.
Wherein 1- shells radiating fin, 2- evaporating surfaces, the boss on the outside of 3- inner casings, 4- inner casing radiating fins, 5- working medium is filled
Dress mouth position, the pyrotoxin that 6- is installed, 7- thermal source mounting surfaces, 8- porous materials.
Specific embodiment
Developed simultaneously embodiment below in conjunction with the accompanying drawings, and the utility model is described in detail.
The utility model provides a kind of three-dimensional integrated structure vapor chamber heat-pipe radiator, including following part：
Radiator shell and radiator inner casing.Radiator is highly h, radiator shell as shown in figure 1, housing profile is ring
There is the fin for radiating shape, outside, wherein 1 is shell radiating fin, ring is formed between outer casing inner wall face and inner casing outside wall surface
The closed cavity of shape, the bottom of shell is planar structure, and the internal face of the planar structure is evaporating surface, and outside wall surface is installed for thermal source
Face, 2 is evaporating surface, and 7 is thermal source mounting surface, has the porous material fitted therewith at evaporating surface position, using loose structure capillary
Core, capillary wick be used for working medium collect, transmission and evaporative heat loss, capillary wick fits with plane and do not enter the inside diameter ranges of shell,
Internal diameter of outer cover is d；Radiator inner casing is as shown in Fig. 2 by processing, the wall of the inner casing outer wall wall thickness less than its two ends of remainder
Thickness, inner casing profile is designed as ring-type, is represented outside inner casing added with multiple boss on the outer surface at ring-type inner casing mid-plane, 3
The boss of side, it is spaced between boss and boss for porous material in shell to be compressed, certain hole is left, for steaming
Vapour is distributed.Inner casing inner ring surface has the fin for radiating, and 4 represent inner casing radiating fin.Inner casing two ends external diameter is in d, with shell
Footpath size is consistent, and inner casing is sleeved in the cavity of shell, by welding, the end face fitted seal at inner casing two ends and shell two ends,
The closed cavity of annular is formed between outer casing inner wall face and inner casing outside wall surface, it is middle as the passage that steam spreads, i.e. vapor chamber
Part enclosure material is identical with inner shell materials, and selects the materials such as the preferable aluminium of heat conductivility, copper.
Welded seal after radiator inner casing and shell assembling, the mode of welding can select according to the actual requirements, such as soldering,
Arc-welding, electron beam weldering, stirring weldering etc..A closed pressure-bearing cavity, i.e. vapor chamber are formed by welding, inside cavity fills liquid
Working medium.Fig. 3 is the assembly welding figure of three-dimensional vapor chamber heat-pipe radiator, after the completion of welding in top view shown in Fig. 3 position 5
Place, one a diameter of 1 millimeter of topping up hole is bored from the upper surface of closed pressure-bearing cavity, and its depth will penetrate shell and enter vapor chamber
Inside, filling operation is carried out after then welding a hollow topping up pipe, and filling operation is comprised the following steps that：
Step 1, the topping up pipe insertion filling equipment of three-dimensional vapor chamber heat pipe is vacuumized, and vacuum is better than 10Pa；
Step 2, closes the vacuum-pumping valve of filling equipment, and opening fills valve and is filled with a certain amount of work to three-dimensional vapor chamber
Matter, is filled with the quality that the minimum of working medium is all saturated with liquid for loose structure capillary wick；
Step 3, working medium fill after the completion of with Sealing plierses by the topping up seal of tube, then remove, Seal welding is carried out to topping up pipe
Connect, filling operation is finished.Points for attention：
1. filling weight must ensure not porous material bottom, be easy to imbibition；
2. front cavity domestic demand vacuum state is filled, because if inside cavity has an air, air can occupy steam
Space, and air conduction is very poor；
3. loose structure has to be adjacent to the inwall of shell, and the gap that otherwise liquid can be between inwall and loose structure is steamed
Hair, and so liquid cannot be flowed back by siphon, the temperature for ultimately causing heating surface is drastically raised and failed.
Three-dimensional integrated structure vapor chamber heat-pipe radiator product is finally schemed as shown in figure 4, being vapor chamber heat-pipe radiator ring
Shape outer side plane, 6 represent the pyrotoxin installed, and 7 represent thermal source mounting surface.Install plane heat source 300W when, to design into
Row heat analysis, between 353k to 356k, the whole radiator temperature difference only has 3 DEG C to equalized temperature, works well.
Product operational mode：
1. heat from heat source is conducted on the porous material just fitted therewith to cavity by the shell of mounting surface；
2. porous material has been filled the working medium that can carry out two-phase heat exchange, and heat is conducted to porous material, porous material surface
Form evaporation and take away heat；
3. the steam of heat is spread in whole vapor chamber, and in the inside and outside wall condensation condensation of vapor chamber, release carries heat
Amount；
4. be condensate in the working medium of wall is influenceed to flow into the bottom of vapor chamber by Action of Gravity Field；
5. again be saturated with working medium from bottom siphonage by porous material, and a circulation terminates.
The profile of vapor chamber heat pipe can be designed according to actual conditions in the utility model, and the quantity of radiating fin can
Increased or decreased with according to actual conditions.Loose structure and the working medium that is filled with according to temperature in use and will use power in vapor chamber
Selected, rule is to need the power of radiating bigger or heat flow density is bigger, loose structure radiates the hole on top layer
With regard to smaller.The working medium being filled with should ensure that its purity, it is to avoid on-condensible gas occupies heat-dissipating space in cavity.
In sum, preferred embodiment of the present utility model is these are only, is not intended to limit of the present utility model
Protection domain.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (2)
1. a kind of three-dimensional integrated structure vapor chamber heat-pipe radiator, it is characterised in that the radiator includes ring-type inner casing and ring
Shape shell, inner casing is sleeved in the cavity of shell, and a toroidal cavity, inner casing two ends and shell two are formed between inner casing and shell
The end face fitted seal at end, forms closed cavity；Inner casing inner ring surface be distributed with the integrally formed radiating fin of inner casing, outside shell
Anchor ring is distributed with and the integrally formed radiating fin of shell；The side of shell be plane, the plane be heating surface, heating surface it is interior
There is porous material on wall, on the internal face of heating surface, the area of porous material is more than heating source area to the porous material docile；
Heat-exchange working medium is filled with after closed cavity vacuum state, working medium minimum is the quality that porous material is all saturated with liquid.
2. three-dimensional integrated structure vapor chamber heat-pipe radiator as claimed in claim 1, it is characterised in that the planar structure
Outside wall surface is the thermal source mounting surface of radiator, and porous material, porous material position are disposed with the internal face of the planar structure
Locate corresponding inner casing outer surface and multiple boss for compressing porous material are distributed with, it is spaced between boss and boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140760.3U CN206247927U (en) | 2016-10-20 | 2016-10-20 | A kind of three-dimensional integrated structure vapor chamber heat-pipe radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140760.3U CN206247927U (en) | 2016-10-20 | 2016-10-20 | A kind of three-dimensional integrated structure vapor chamber heat-pipe radiator |
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| CN206247927U true CN206247927U (en) | 2017-06-13 |
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| CN201621140760.3U Active CN206247927U (en) | 2016-10-20 | 2016-10-20 | A kind of three-dimensional integrated structure vapor chamber heat-pipe radiator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800235A (en) * | 2017-11-30 | 2018-03-13 | 哈尔滨理工大学 | A kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing |
| CN108801017A (en) * | 2018-06-13 | 2018-11-13 | 中国科学院工程热物理研究所 | The radiator of pyrotoxin |
| CN112146496A (en) * | 2020-09-30 | 2020-12-29 | 河南瀚光科技有限公司 | Radiator with liquid phase change and microporous structure |
| WO2021049096A1 (en) * | 2019-09-10 | 2021-03-18 | 古河電気工業株式会社 | Cooling device and cooling system using cooling device |
| CN112886774A (en) * | 2021-01-29 | 2021-06-01 | 沈阳工业大学 | Auxiliary casing type outer rotor permanent magnet synchronous motor cooling device |
| CN113624047A (en) * | 2021-08-11 | 2021-11-09 | 广东工业大学 | Condenser with embedded radial micro-channel and loop heat pipe |
| CN117423796A (en) * | 2023-12-18 | 2024-01-19 | 长春工程学院 | High-power LED illumination phase-change radiator with pulsating hot plate extension body |
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2016
- 2016-10-20 CN CN201621140760.3U patent/CN206247927U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800235B (en) * | 2017-11-30 | 2024-03-12 | 哈尔滨理工大学 | Liquid cooling self-circulation casing of high-power density permanent magnet motor |
| CN107800235A (en) * | 2017-11-30 | 2018-03-13 | 哈尔滨理工大学 | A kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing |
| CN108801017B (en) * | 2018-06-13 | 2024-02-06 | 中国科学院工程热物理研究所 | Heat radiator for heat source |
| CN108801017A (en) * | 2018-06-13 | 2018-11-13 | 中国科学院工程热物理研究所 | The radiator of pyrotoxin |
| WO2021049096A1 (en) * | 2019-09-10 | 2021-03-18 | 古河電気工業株式会社 | Cooling device and cooling system using cooling device |
| JP7072547B2 (en) | 2019-09-10 | 2022-05-20 | 古河電気工業株式会社 | Cooling device and cooling system using cooling device |
| JP2021042896A (en) * | 2019-09-10 | 2021-03-18 | 古河電気工業株式会社 | Cooling device and cooling system using the same |
| CN112146496A (en) * | 2020-09-30 | 2020-12-29 | 河南瀚光科技有限公司 | Radiator with liquid phase change and microporous structure |
| CN112886774A (en) * | 2021-01-29 | 2021-06-01 | 沈阳工业大学 | Auxiliary casing type outer rotor permanent magnet synchronous motor cooling device |
| CN112886774B (en) * | 2021-01-29 | 2024-05-03 | 沈阳工业大学 | Auxiliary shell type outer rotor permanent magnet synchronous motor cooling device |
| CN113624047A (en) * | 2021-08-11 | 2021-11-09 | 广东工业大学 | Condenser with embedded radial micro-channel and loop heat pipe |
| CN117423796A (en) * | 2023-12-18 | 2024-01-19 | 长春工程学院 | High-power LED illumination phase-change radiator with pulsating hot plate extension body |
| CN117423796B (en) * | 2023-12-18 | 2024-03-19 | 长春工程学院 | High-power LED illumination phase-change radiator with pulsating hot plate extension body |
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