CN204514142U - A kind of multiple branch circuit distribution heat pipe - Google Patents
A kind of multiple branch circuit distribution heat pipe Download PDFInfo
- Publication number
- CN204514142U CN204514142U CN201420872288.7U CN201420872288U CN204514142U CN 204514142 U CN204514142 U CN 204514142U CN 201420872288 U CN201420872288 U CN 201420872288U CN 204514142 U CN204514142 U CN 204514142U
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- CN
- China
- Prior art keywords
- shell
- channel tube
- tube joint
- heat pipe
- branch circuit
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Classifications
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- 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
Abstract
The utility model discloses a kind of multiple branch circuit distribution heat pipe, comprise multi-channel tube joint, the first shell of one end sealing, the second shell and the 3rd shell, multi-channel tube joint is provided with the interface for connecting each shell, the sealed cavity being communicated with each interface is provided with in multi-channel tube joint, the other end of each shell is plugged in the T-shaped structure being formed in each interface of multi-channel tube joint and be interconnected respectively, each inner wall of tube shell is provided with layering porous capillary layer, is filled with and makes each shell keep the capillary layer connector be communicated with in the closed cavity of multi-channel tube joint.The utility model has the feature of spatial scalability porous capillary layer and the higher capillary force of sintered heat pipe, conductivity of heat, can obviously improve radial thermal resistance, save the space needed for heat radiation simultaneously, flexible, reliable, a stable heat dissipation environment can be provided for electronic equipment miniaturization, with low cost, be also suitable for industrialization and produce.
Description
Technical field
The utility model relates to electronic applications radiating component, specifically a kind of multiple branch circuit distribution heat pipe.
Background technology
The development of modern science and technology, be unable to do without the support of various types of electronic equipment, these electronic equipments have very fast development in fields such as space flight and aviation, military industry equipment, business equipment.Since new century, electronic equipment is gradually towards future development that is microminiaturized, integrated and high-power, but due to the raising of electronic equipment integrated level, realize the miniaturization of encapsulating package simultaneously, its power density is caused constantly to increase, the heat produced also more is difficult to pass fast, and service life, reliability, stability constantly reduce, and there is contradiction consumingly in the direction of this and its development.For this reason, electronic equipment constantly proposes stricter requirement to heat dissipation design, needs and adapts to its microminiaturized thermal design scheme developed with high-power.
And heat pipe relies on the phase transformation of therein hydraulic fluid to realize the heat transfer element conducted heat, it is a kind of ideal element of high heat flux heat conduction.The operation principle of heat pipe is: at the evaporation ends of heating heat pipe, and the hydraulic fluid in tube core by thermal evaporation, and takes away heat, steam flows to the condensation end of heat pipe from central passage, condenses into liquid, discharges latent heat simultaneously, under the effect of capillary force, liquid backflow is to evaporator section.Constantly form circulation closed one by one like this, thus a large amount of heats is passed to radiating segment from bringing-up section.But the structure of conventional heat pipe is simple, unicity is also compared in the installation site of low-temperature receiver and thermal source, is difficult to Installation Flexibility and the cooling requirements of the miniaturization adapting to electronic equipment, hinder its extensive use in engineering.
As can be seen here, in order to adapt to the future development of electronic devices and components, be badly in need of the shortcoming that exploitation is a kind ofly more saved space, had good isothermal, the design of the heat pipe structure of excellent heat transfer property improves conventional heat pipe heat radiation, thus hot factor and the stability of space factor on electronic devices and components and the impact of reliability can be weakened.
Utility model content
Primary and foremost purpose of the present utility model is that the structure for conventional heat pipe is single, heat-sinking capability not foot phenomenon, propose a kind of higher capillary pressure, large quantity space can be saved, the multiple branch circuit of high heat-transfer performance distribution heat pipe and manufacture method thereof, solve existing heat pipe heat radiation scarce capacity and heat-dissipating space occupies excessive problem.
The utility model is achieved through the following technical solutions:
The utility model provides a kind of multiple branch circuit distribution heat pipe on the one hand, comprise multi-channel tube joint, first shell of one end sealing, second shell and the 3rd shell, described multi-channel tube joint is provided with the interface for connecting each shell, the sealed cavity being communicated with each interface is provided with in described multi-channel tube joint, described first shell, second shell, the other end of the 3rd shell is plugged in the T-shaped structure being formed in each interface of multi-channel tube joint and be interconnected respectively, described first shell, second shell, 3rd inner wall of tube shell is provided with layering porous capillary layer, be filled with in the closed cavity of described multi-channel tube joint and make each shell keep the capillary layer connector be communicated with, described first shell, second shell, liquid working substance is filled with in the endoporus of the 3rd shell and the sealed cavity of tube channel joint.
Further, the sealed cavity in described multi-channel tube joint is spherical or cube, makes the spherical in shape or cube of the profile of capillary layer connector, to provide enough capillary force to ensure the poised state of condensing reflux working medium at each branch road.
Further, described liquid working substance is deionized-distilled water or ethanol.
Further, the cross-sectional area of the working medium runner of described second shell is the cross-sectional area sum of the working medium runner of the first shell and the 3rd shell, and the working medium be convenient in the first shell and the 3rd shell collects backward second shell smooth flow.
Further, the material of each shell is red copper, aluminium or stainless steel.
The manufacture method that the utility model provides a kind of multiple branch circuit to distribute heat pipe on the other hand, is characterized in that, comprise the following steps:
(1) use welding procedure the first shell, the second shell and the 3rd shell and multi-channel tube shell joint head 3 to be welded and fixed, be then mounted with in one end of the 3rd shell and have graphite cannula to heart fixation to sintering plug;
(2) the first sintering plug and the second sintering plug is prepared, the cross-sectional area of described first sintering plug is the half of the second sintering plug cross-sectional area, and the first sintering plug and the second sintering diameter of mandrel are all less than the internal diameter of each shell, one end that described second sintering plug inserts the second shell is provided with diameter and first and sinters the identical through hole of diameter of mandrel, then to each shell and two sinter plug overall eliminate rust to deoil process; Then first the second sintering plug is inserted in the second shell, then the first sintering plug to be penetrated successively in the first shell, the second sintering through hole of plug, the 3rd shell and on through graphite cannula, the the first sintering plug made is positioned at the center of the first shell and the 3rd shell, now intersect in 90 degree between the first sintering plug and the second sintering plug, each shell and each to sinter the space left between plug be 1-4mm;
(3) be that the metal dust of 75-100 range size is inserted the 3rd shell and first according to amount of calculation and sintered in the space between plug by order number; Being that the metal dust of 50-75 is filled in the sealed cavity in multi-channel tube joint according to amount of calculation again by order number, is then that the metal dust of 75-100 is covered with and inserts the first shell and first and sinter in the space between plug by order number; At this moment carry out fixing the heart to the first sintering plug other end with another graphite cannula being arranged on first shell one end again, finally the first shell and the 3rd shell termination that are covered with metal dust are blocked, then turn over and turn 90 degrees, to the second shell and second sintering plug gap in insert the metal dust that order number is 100-125;
(4) by being inserted with sintering plug, the multichannel shell that is covered with metal dust puts into 850-950 celsius temperature sintering furnace and sinters 2-3h, metal dust after sintering is attached to the inwall of each shell, form layering porous capillary layer, then form spherical or cube capillary layer connector after to be attached in multi-channel tube joint in sealed cavity metal powder sintered, form capillary pooling zone;
(5) multiple branch circuit shell is taken out with after stove cool to room temperature after having sintered, extract each sintering plug, then the first shell and the second shell two ends are closed, finally carry out in the 3rd shell end vacuumizing, perfusion fluid working medium, sealing, obtain multiple branch circuit distribution heat pipe.
Further, described metal dust is copper, aluminum metal powder etc.
Further, the material of the first described sintering plug and the second sintering plug is stainless steel, nickel-base alloy.
Further, described high temperature sintering furnace refers to the agglomerating plant with the furnace chamber can filling protective gas.
Further, described protective gas is nitrogen, hydrogen.
Relative to prior art, the utility model tool has the following advantages and beneficial effect:
(1) heat pipe from traditional is different, the utility model proposes and manufactured a kind of heat pipe with space structure, be applicable to multi-heat source and share the multiple situations such as low-temperature receiver heat radiation, the public thermal source of multi-freezing pipe, while saving the space needed for heat radiation, the higher capillary force of sintered heat pipe, the advantage that heat-transfer capability is strong can be ensured again, the radiating requirements of electronic equipment miniaturization can be met.
(2) multiple branch circuit of the present utility model distribution heat pipe solve that existing loop heat pipe and soaking plate technology are directly applied in that the manufacturing cost that high-power electronic device heat radiation runs into is high, processing is inconvenient, heat dissipation design can not meet moulding demand, capillary structure too complicated difficult with shortcomings such as manufactures, the utility model manufacture process is simple, can produce in enormous quantities, be applicable to popularizing application.
(3) designed by the utility model, multiple branch circuit distribution heat pipe has the plurality of advantages such as miniaturization, cheap and flexibility are good relative to loop heat pipe and soaking plate, require more flexible to the installation site of electronic equipment or great-power electronic chip, the stable performance being applicable to most of electronic equipment module system requires and cools application requirement, can promote the marketing development of high-power chip product (such as high-power LED chip etc.).
Accompanying drawing explanation
Fig. 1 is a kind of multiple branch circuit distribution heat pipe cross-sectional schematic of embodiments of the invention one.
Fig. 2 is A-A place cross-sectional schematic in Fig. 1.
Fig. 3 is B-B place cross-sectional schematic in Fig. 1.
Fig. 4 is the structural representation after filling metal dust in space that in embodiment two, the 3rd shell and first sinters between plug.
Metal dust is filled into the structural representation after in the sealed cavity in multi-channel tube joint by Fig. 5 in embodiment two.
Fig. 6 is the structural representation after filling metal dust in space that in embodiment two, first shell and first sinters between plug.
Fig. 7 is the structural representation after filling metal dust in space that in embodiment two, second shell and second sinters between plug.
Fig. 8 is the position relationship schematic diagram that in embodiment two, first sintering plug 7 and the second sintering plug 8 assemble front and back.
In figure: 1-first shell; 2-capillary layer connector; 3-multi-channel tube shell joint head; 4-second shell; ; 5-the 3rd shell; 6-layering porous capillary layer; 7-first sinters plug; 8-second sinters plug; 9 graphite cannulas.
Detailed description of the invention
Be described in further detail utility model object of the present utility model below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
embodiment one
As shown in Figure 1, a kind of multiple branch circuit distribution heat pipe, comprise multi-channel tube joint 3, first shell 1 of one end sealing, second shell 4 and the 3rd shell 5, described multi-channel tube joint 3 is provided with the interface for connecting each shell, the sealed cavity being communicated with each interface is provided with in described multi-channel tube joint 3, described first shell 1, second shell 4, the other end of the 3rd shell 5 is plugged in the T-shaped structure being formed in each interface of multi-channel tube joint 3 and be interconnected respectively, described first shell 1, second shell 4, 3rd shell 5 inwall is provided with layering porous capillary layer 6 (see Fig. 2, Fig. 3), be filled with in the closed cavity of described multi-channel tube joint 3 and make each shell keep the capillary layer connector 2 be communicated with, described first shell 1, second shell 4, liquid working substance is filled with in the endoporus of the 3rd shell 5 and the sealed cavity of tube channel joint 3, described liquid working substance is deionized-distilled water or ethanol.
Further, the sealed cavity in described multi-channel tube joint 3 is spherical or cube.
Meanwhile, the cross-sectional area of the working medium runner of described second shell 4 is cross-sectional area sums of the working medium runner of the first shell 1 and the 3rd shell 5.
The material of each shell is red copper, aluminium or stainless steel, and the present embodiment adopts red copper.
embodiment two
A manufacture method for multiple branch circuit distribution heat pipe, comprises the following steps:
(1) use welding procedure the first shell 1, second shell 4 and the 3rd shell 5 to be welded and fixed with multi-channel tube shell joint head 3, be then mounted with in one end of the 3rd shell 5 and have graphite cannula 9 to heart fixation to sintering plug;
(2) the first sintering plug 7 and the second sintering plug 8 is prepared, the cross-sectional area of described first sintering plug 7 is half of the second sintering plug 8 cross-sectional area, and the first sintering plug 7 and the second sintering plug 8 diameter are all less than the internal diameter of each shell, one end that described second sintering plug 8 inserts the second shell 4 is provided with diameter and first and sinters the identical through hole of plug 7 diameter, then to each shell and two sinter plug overall eliminate rust to deoil process; Then first the second sintering plug 8 is inserted in the second shell 4, then the first sintering plug 7 is penetrated successively the through hole of the first shell 1, second sintering plug 8, the 3rd shell 5 is interior and goes directly on graphite cannula 9, the the first sintering plug 7 made is positioned at the center of the first shell 1 and the 3rd shell 5, now intersect in 90 degree between the first sintering plug 7 and the second sintering plug 8, each shell and respectively sinter the space left between plug be 1-4mm, the first sintering plug 7 and the second sintering plug 8 assemble the position relationship of front and back as shown in Figure 8;
(3) be that the metal dust of 75-100 range size inserts (see figure 4) in space that the 3rd shell 5 and first sinters between plug 7 according to amount of calculation by order number; Being (see Fig. 5) metal dust of 50-75 is filled in multi-channel tube joint 3 sealed cavity according to amount of calculation in again by order number, is then that the metal dust of 75-100 is covered with and inserts in space that the first shell 1 and first sinters between plug 7 (see Fig. 6) by order number; At this moment carry out fixing the heart to first sintering plug 7 other end with another graphite cannula 9 being arranged on first shell 1 one end again, finally the first shell 1 and the 3rd shell 5 termination that are covered with metal dust are blocked, then turn over and turn 90 degrees, the metal dust (see Fig. 7) that order number is 100-125 is inserted in the gap of the second shell 4 and the second sintering plug 8, according to branch road the difference of Cooling and Heat Source character is installed, the metal dust classification of different meshes can be adopted to fill, and described metal dust is copper, aluminum metal powder etc.
(4) by being inserted with sintering plug, the multichannel shell that is covered with metal dust puts into 850-950 celsius temperature sintering furnace and sinters 2-3h, metal dust after sintering is attached to the inwall of each shell, form layering porous capillary layer 4, then form spherical or cube capillary layer connector 2 after to be attached in the sealed cavity of multi-channel tube joint 3 metal powder sintered, thus form capillary pooling zone with layering porous capillary layer 4;
(5) multiple branch circuit shell is taken out with after stove cool to room temperature after having sintered, extract each sintering plug, then the first shell 1 and the 3rd shell 5 two ends are closed, finally carry out in the second shell 4 end vacuumizing, perfusion fluid working medium, sealing, obtain multiple branch circuit distribution heat pipe.
In the present embodiment, the first described sintering plug 7 and the material of the second sintering plug 8 are stainless steel or nickel-base alloy etc.
Described high temperature sintering furnace refers to the agglomerating plant with the furnace chamber can filling protective gas, and described protective gas is nitrogen, hydrogen etc.
Certainly, as distortion, the shape of the capillary pooling zone of the present embodiment is not just T-shaped, also can be Y type, and now the first sintering plug 7 is two-part structure, and all the other manufacture processes are identical, repeat no more herein.
As mentioned above, just manufacture process of the present utility model can be realized preferably.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (5)
1. a multiple branch circuit distribution heat pipe, it is characterized in that, comprise multi-channel tube joint (3), first shell (1) of one end sealing, second shell (4) and the 3rd shell (5), described multi-channel tube joint (3) is provided with the interface for connecting each shell, the sealed cavity being communicated with each interface is provided with in described multi-channel tube joint (3), described first shell (1), second shell (4), the other end of the 3rd shell (5) is plugged in the T-shaped structure being formed in multi-channel tube joint (3) each interface and be interconnected respectively, described first shell (1), second shell (4), 3rd shell (5) inwall is provided with layering porous capillary layer (6), be filled with in the closed cavity of described multi-channel tube joint (3) and make each shell keep the capillary layer connector (2) be communicated with, described first shell (1), second shell (4), liquid working substance is filled with in the endoporus of the 3rd shell (5) and the sealed cavity of tube channel joint (3).
2. multiple branch circuit distribution heat pipe according to claim 1, is characterized in that: the sealed cavity in described multi-channel tube joint (3) is spherical or cube.
3. multiple branch circuit distribution heat pipe according to claim 1, is characterized in that: described liquid working substance is deionized-distilled water or ethanol.
4. multiple branch circuit distribution heat pipe according to claim 1, is characterized in that: the cross-sectional area of the working medium runner of described second shell (4) is the cross-sectional area sum of the working medium runner of the first shell (1) and the 3rd shell (5).
5. multiple branch circuit distribution heat pipe according to claim 1, is characterized in that: the material of each shell is red copper, aluminium or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872288.7U CN204514142U (en) | 2014-12-31 | 2014-12-31 | A kind of multiple branch circuit distribution heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872288.7U CN204514142U (en) | 2014-12-31 | 2014-12-31 | A kind of multiple branch circuit distribution heat pipe |
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| Publication Number | Publication Date |
|---|---|
| CN204514142U true CN204514142U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872288.7U Expired - Fee Related CN204514142U (en) | 2014-12-31 | 2014-12-31 | A kind of multiple branch circuit distribution heat pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567501A (en) * | 2014-12-31 | 2015-04-29 | 华南理工大学 | Multi-branch distribution heat pipe and manufacturing method thereof |
| CN112229253A (en) * | 2020-10-30 | 2021-01-15 | 上海卫星装备研究所 | Heat pipe branch connecting device and heat pipe system |
-
2014
- 2014-12-31 CN CN201420872288.7U patent/CN204514142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567501A (en) * | 2014-12-31 | 2015-04-29 | 华南理工大学 | Multi-branch distribution heat pipe and manufacturing method thereof |
| CN112229253A (en) * | 2020-10-30 | 2021-01-15 | 上海卫星装备研究所 | Heat pipe branch connecting device and heat pipe system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20171231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |