CN107238306A - A kind of loop circuit heat pipe heat conducting element - Google Patents
A kind of loop circuit heat pipe heat conducting element Download PDFInfo
- Publication number
- CN107238306A CN107238306A CN201710351375.6A CN201710351375A CN107238306A CN 107238306 A CN107238306 A CN 107238306A CN 201710351375 A CN201710351375 A CN 201710351375A CN 107238306 A CN107238306 A CN 107238306A
- Authority
- CN
- China
- Prior art keywords
- capillary structure
- evaporator shell
- heat
- copper powder
- constituted
- 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
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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
- F28D15/043—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 forming loops, e.g. capillary pumped loops
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of loop circuit heat pipe heat conducting element, it mainly includes evaporator shell and outer tube, outer tube is connected to evaporator shell, so that outer tube and evaporator shell formation loop, copper powder sintering capillary structure is provided with the evaporator shell, one end of the copper powder sintering capillary structure is provided with steam vent, also include the capillary structure that heat-insulating fiber is constituted, the side of the copper powder sintering capillary structure is fixed, its complementary space is adiabatic the capillary structure filling that fiber is constituted in evaporator shell, the presence for the capillary structure that heat-insulating fiber is constituted in the present invention, the liquid flowed into evaporator shell is adiabatic the capillary structure absorption that fiber is constituted, so that liquid is not contacted with evaporator shell, so that the amount that liquid is heated vaporization reduces, so as to reduce the pressure of evaporator section, reduce condensate liquid backflow resistance, improve heat transfer efficiency.
Description
Technical field
The present invention relates to a kind of heat conducting element, more particularly to a kind of loop circuit heat pipe heat conducting element.
Background technology
Heat pipe for thermal conductivity element is a kind of quick thermal transport property for taking full advantage of heat-conduction principle and phase change medium, is passed through
The heat of thermal objects is delivered to rapidly a kind of element outside thermal source by heat pipe, and current loop circuit heat pipe heat conducting element includes evaporation
Device shell and outer tube, outer tube are connected to evaporator shell so that outer tube and evaporator shell formation loop, the evaporator shell
Copper powder sintering capillary structure is inside provided with, one end of the copper powder sintering capillary structure is provided with steam vent, and its operation logic is
Thermal source is fitted with evaporator shell, thermal source heating evaporation device shell, and shell is heated, and copper powder sintering capillary structure is heated, hair
The liquid heat absorption carburation by evaporation of fine texture absorption, gas is excluded by the steam vent of capillary structure, gas along outer tube runs,
Liquid is cooled in outer pipeline, evaporator section is flow back into, a circulation is formed, but there is problems with the loop circuit heat pipe：Flow into
A liquid part in evaporator shell is absorbed by copper powder sintering capillary structure, and another part directly connects with evaporator shell
Touch, this partially liq is heated gasification simultaneously so that the condensed fluid backflow in the pressure increase in evaporator shell, outer pipeline
Speed is slow or can not flow back so that the heat transfer efficiency of loop circuit heat pipe is substantially reduced.
The content of the invention
Present invention solves the technical problem that being to provide a kind of reduction condensate liquid backflow resistance, a kind of ring of heat transfer efficiency is improved
Road heat pipe for thermal conductivity element.
The technical solution adopted for the present invention to solve the technical problems is：A kind of loop circuit heat pipe heat conducting element, including evaporation
Device shell and outer tube, outer tube are connected to evaporator shell so that outer tube and evaporator shell formation loop, the evaporator shell
Copper powder sintering capillary structure is inside provided with, one end of the copper powder sintering capillary structure is provided with steam vent, the copper powder sintering
The external diameter that capillary structure is provided with one end of steam vent is equal with the internal diameter of evaporator shell, in addition to the hair that heat-insulating fiber is constituted
Fine texture, the side of the copper powder sintering capillary structure is fixed, and its complementary space is adiabatic the hair that fiber is constituted in evaporator shell
Fine texture is filled.
It is further：Also include plumb joint, the first bronze medal fitting, ceramic post sintering part and the second bronze medal fitting being sequentially connected,
The one end of the second bronze medal fitting away from the second bronze medal fitting is connected with evaporator shell, is filled out in the ceramic post sintering part interior wall body
The capillary structure constituted full of heat-insulating fiber, the capillary structure that the heat-insulating fiber is constituted is provided with away from evaporator shell one end
Liquid flows into through hole.
It is further：The ceramic post sintering part is connected with the first bronze medal fitting and the second bronze medal fitting sintering.
The beneficial effects of the invention are as follows：The presence for the capillary structure that heat-insulating fiber is constituted in the present invention so that flow into evaporation
Liquid in device shell is adiabatic the capillary structure absorption that fiber is constituted so that liquid is not contacted with evaporator shell, so that
Obtain liquid and be heated the amount reduction of vaporization, so as to reduce the pressure of evaporator section, reduce condensate liquid backflow resistance, improve heat conduction
Efficiency.And the capillary structure that the full heat-insulating fiber of filling is constituted inside the setting of ceramic post sintering part and ceramic post sintering part causes cooling
The capillary structure that liquid is first made up of heat-insulating fiber absorbs, then absorbs vaporization by copper powder sintering capillary structure, has blocked liquid and steaming
The contact of device shell is sent out, and the capillary structure that heat-insulating fiber is constituted has heat-blocking action so that heat will not be to evaporator shell
Edge spreads, and causes vaporizing liquid to increase loine pressure, heat transfer efficiency is impacted.
Brief description of the drawings
Fig. 1 is a kind of loop circuit heat pipe heat conducting element schematic diagram.
Fig. 2 is a kind of loop circuit heat pipe heat conducting element evaporator section explosive view.
Fig. 3 is loop circuit heat pipe heat conducting element schematic diagram in the prior art.
Fig. 4 is the capillary structure schematic diagram that heat-insulating fiber is constituted.
Marked in figure：Outer tube 1, plumb joint 2, the first bronze medal fitting 3, ceramic post sintering part 4, evaporator shell 5, heat-insulating fiber
Capillary structure 7, copper powder sintering capillary structure 8, exhaust tube 9, the second bronze medal fitting 10, the liquid of composition flow into through hole 11.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
A kind of loop circuit heat pipe heat conducting element as shown in Figure 1 to Figure 2, including evaporator shell 5 and outer tube 1, outer tube 1 are connected
To evaporator shell 5 so that be provided with copper powder sintering in outer tube 1 and the formation of evaporator shell 5 loop, the evaporator shell 5
Capillary structure 8, copper powder sintering capillary structure 8 is sintered on evaporator shell 5, and one end of the copper powder sintering capillary structure 8 is set
Steam vent is equipped with, the copper powder sintering capillary structure is provided with the internal diameter phase of the external diameter and evaporator shell of one end of steam vent
Deng including the capillary structure 7 that heat-insulating fiber is constituted, the side of copper powder sintering capillary structure 8 is fixed, evaporator shell 5
The capillary structure 7 that its interior complementary space is adiabatic fiber composition is filled so that capillary structure and the copper powder sintering that heat-insulating fiber is constituted
Capillary structure is completely attached to, and exhaust tube 9 is connected with outer tube 1, in the course of the work, and coolant is flowed into evaporator shell 5, liquid
Body is absorbed by copper powder sintering capillary structure 8, and the evaporator shell side 5 that sintering has copper powder to sinter capillary structure is connect with thermal source
Touch, evaporator shell 5 is heated, copper powder sintering capillary structure 8 is heated the liquid for adsorbing it by carburation by evaporation, and gas is by being vented
Hole is discharged and flowed along the tunnel of outer tube 1, and liquid is cooled in the tunnel of outer tube 1 and is flowed into evaporator shell 5, circulation is formed, by
In evaporator free space be adiabatic fiber constitute capillary structure 7 fill, and heat-insulating fiber constitute capillary structure 7 not with heat
Source is contacted, and reduces condensed water contact with evaporator shell 5 so that the amount that liquid is heated vaporization reduces, so as to reduce evaporation
The pressure of section, reduces condensate liquid backflow resistance, improves heat transfer efficiency, and copper powder sintering capillary structure is provided with exhaust
The external diameter of the one end in hole is equal with the internal diameter of evaporator shell so that copper powder, which sinters capillary structure and one end of evaporator is realized, to be hindered
Gear, prevents the backflow of steam, realizes that gas-liquid is isolated.
On the basis of the above, in addition to the plumb joint 2, the first bronze medal fitting 3, the bronze medal of ceramic post sintering part 4 and second that are sequentially connected
Fitting 10, the described one end of second bronze medal fitting 10 away from the second bronze medal fitting 10 is connected with evaporator shell 5, the ceramic post sintering part
The capillary structure 7 that the 4 full heat-insulating fibers of inside filling are constituted, the capillary structure 7 that the heat-insulating fiber is constituted is away from evaporator shell
One end is provided with liquid and flows into through hole 11, is welding between the weldment and the first bronze medal fitting 3, the second bronze medal fitting 10 and evaporation
Be welding between device shell 5, because ceramic post sintering part 4 fills the capillary structure 7 that full heat-insulating fiber is constituted, therefore condensate liquid to
In evaporator shell 5 in course of conveying, condensate liquid first pass through liquid flow into through hole 11 be adiabatic fiber composition capillary structure 7 inhale
Receipts are transferred to carburation by evaporation in copper powder sintering capillary structure 8 again, the capillary structure 7 that ceramic post sintering part 4 and heat-insulating fiber are constituted
On the one hand set can prevent condensate liquid from directly being contacted with evaporator shell 5 so that the amount that liquid is heated vaporization reduces, so as to subtract
Pressure in small evaporator, reduces condensate liquid backflow resistance, improves heat transfer efficiency, while the capillary structure that heat-insulating fiber is constituted
7 also function to heat-insulated effect, prevent heat to transmission at condensate liquid so that condensate liquid is vaporized in advance in outer tube 1, to condensate liquid
Backflow is impacted.
On the basis of the above, the ceramic post sintering part 4 is connected with the first bronze medal fitting 3 and the second bronze medal fitting 10 sintering, is sintered
Connection to connect closer between the bronze medal fitting 3 of ceramic post sintering part 4 and first and the second bronze medal fitting 10, increases its sealing property.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (3)
1. a kind of loop circuit heat pipe heat conducting element, including evaporator shell (5) and outer tube (1), outer tube (1) are connected to evaporator shell
(5) so that be provided with copper powder sintering capillary in outer tube (1) and evaporator shell (5) formation loop, the evaporator shell (5)
Structure (8), one end of the copper powder sintering capillary structure (8) is provided with steam vent, it is characterised in that：The copper powder sinters capillary
Structure setting has the external diameter of one end of steam vent equal with the internal diameter of evaporator shell, in addition to the capillary knot that heat-insulating fiber is constituted
Structure (7), the side of the copper powder sintering capillary structure (8) is fixed, and its complementary space is adiabatic fiber and constituted in evaporator shell (5)
Capillary structure (7) filling.
2. a kind of loop circuit heat pipe heat conducting element as claimed in claim 1, it is characterised in that：Also include the plumb joint being sequentially connected
(2), the first bronze medal fitting (3), ceramic post sintering part (4) and the second bronze medal fitting (10), the second bronze medal fitting (10) is away from the second bronze medal
One end of fitting (10) is connected with evaporator shell (5), the full heat-insulating fiber structure of filling in ceramic post sintering part (4) the interior wall body
Into capillary structure (7), the capillary structure (7) that the heat-insulating fiber is constituted is provided with liquid inflow away from evaporator shell one end
Through hole (11).
3. a kind of loop circuit heat pipe heat conducting element as claimed in claim 1, it is characterised in that：The ceramic post sintering part (4) and the
One bronze medal fitting (3) and the sintering connection of the second bronze medal fitting (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351375.6A CN107238306A (en) | 2017-05-18 | 2017-05-18 | A kind of loop circuit heat pipe heat conducting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351375.6A CN107238306A (en) | 2017-05-18 | 2017-05-18 | A kind of loop circuit heat pipe heat conducting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107238306A true CN107238306A (en) | 2017-10-10 |
Family
ID=59985565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710351375.6A Pending CN107238306A (en) | 2017-05-18 | 2017-05-18 | A kind of loop circuit heat pipe heat conducting element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107238306A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197631A (en) * | 2019-03-14 | 2021-01-08 | 山东大学 | Loop heat pipe with liquid storage area |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576358A (en) * | 2008-05-05 | 2009-11-11 | 阳杰科技股份有限公司 | Evaporator and loop type heat pipe applying same |
| CN101762194A (en) * | 2008-12-24 | 2010-06-30 | 富准精密工业(深圳)有限公司 | Evaporator and loop type heat pipe applying same |
| CN204177257U (en) * | 2014-10-24 | 2015-02-25 | 昆山海益博散热器有限公司 | A kind of annular heat pipe |
| DE202015105219U1 (en) * | 2014-11-24 | 2016-02-02 | Cooler Master Co., Ltd. | Loop heat pipe structure with liquid and vapor separation |
| CN106225535A (en) * | 2016-07-22 | 2016-12-14 | 北京空间机电研究所 | A kind of column type loop circuit heat pipe capillary pump assembly |
-
2017
- 2017-05-18 CN CN201710351375.6A patent/CN107238306A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576358A (en) * | 2008-05-05 | 2009-11-11 | 阳杰科技股份有限公司 | Evaporator and loop type heat pipe applying same |
| CN101762194A (en) * | 2008-12-24 | 2010-06-30 | 富准精密工业(深圳)有限公司 | Evaporator and loop type heat pipe applying same |
| CN204177257U (en) * | 2014-10-24 | 2015-02-25 | 昆山海益博散热器有限公司 | A kind of annular heat pipe |
| DE202015105219U1 (en) * | 2014-11-24 | 2016-02-02 | Cooler Master Co., Ltd. | Loop heat pipe structure with liquid and vapor separation |
| CN106225535A (en) * | 2016-07-22 | 2016-12-14 | 北京空间机电研究所 | A kind of column type loop circuit heat pipe capillary pump assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197631A (en) * | 2019-03-14 | 2021-01-08 | 山东大学 | Loop heat pipe with liquid storage area |
| CN112197631B (en) * | 2019-03-14 | 2022-06-03 | 山东大学 | Loop heat pipe with liquid storage area |
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| 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: 20171010 |
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| RJ01 | Rejection of invention patent application after publication |