CN203454874U - Anti-gravity loop heat pipe - Google Patents
Anti-gravity loop heat pipe Download PDFInfo
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- CN203454874U CN203454874U CN201320375529.2U CN201320375529U CN203454874U CN 203454874 U CN203454874 U CN 203454874U CN 201320375529 U CN201320375529 U CN 201320375529U CN 203454874 U CN203454874 U CN 203454874U
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- heat pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses an anti-gravity loop heat pipe. The heat pipe comprises an evaporation segment, a heat insulation segment, a condensing segment and a transfusion segment, wherein the above four segments are successively in head-to-tail connection to form a loop. The transfusion segment comprises at least one capillary. The two ends of the capillary are respectively connected with the evaporation segment and the condensing segment. The inner diameter of the capillary is less than the inner diameters of the pipe bodies of the evaporation segment and the condensing segment. A wick flow passage is disposed inside the evaporation segment. The anti-gravity loop heat pipe utilizes capillary force to drive a liquid working medium to rapidly move in the pipe and has good return-speed stability, so that heat transfer efficiency is improved. The anti-gravity loop heat pipe is suitable for the fields, such as aeronautics and astronautics, photoelectron, chemical industry and power engineering, having high and complex requirements of heat radiation conditions.
Description
Technical field
The utility model relates to heat-transfer equipment technology, is specifically related to a kind of antigravity loop circuit heat pipe.
Background technology
Thermal control is all the crucial Consideration of electronic package design all the time, the operation because electronic instrument all just can better be worked in certain temperature range.Yet the propelling along with industrial design densification, miniaturization, minimum, the with better function and processor of functional device faster trend trend causes the constant increase of heat dissipation capacity of system unit area, and the multi-chip module particularly with more and more closeer high hot-fluid parts must be born.This just means that the various thermal resistances from endogenous pyrogen to external heat sink must reduce, and to conducting heat, has proposed new requirement with heat dissipation technology.
Traditional loop heat pipe radiator has shown good effect with regard to the heat transfer heat-sinking capability of its excellence under agravic or gravity subsidiary conditions.Within the quite a long time, it has met the major part heat transfer heat radiation requirement of contemporary industry.Yet for traditional loop heat pipe radiator, the distribution of temperature changes according to heat source position, when distance apart from thermal source increases, therefore traditional loop heat pipe radiator is because the heat transfer efficiency of loop circuit heat pipe is poor, thereby causes radiating efficiency low.Along with the increase of distance, the heat transfer property of traditional loop circuit heat pipe is also greatly limited simultaneously, and working media back-flow velocity is unstable, and temperature fluctuation is large, and temperature control is difficult to guarantee in specified operating range.Particularly, under antigravity condition, heat-transfer capability reduces greatly, even there will be low-power to lose efficacy.Under antigravity condition, the burden that the working media of loop circuit heat pipe is refluxed due to the impact of gravity increases greatly, causes working media to reflux unstable.The "hysteresis" loop Flow Velocity of working media when causing the far or heat source temperature of the fluctuation of heat source temperature, particularly radiator and thermal source distance not worked under the target load of loop circuit heat pipe design, must cause the concuss of heat source temperature.
Utility model content
The deficiency that the utility model exists in order to overcome above prior art, provides a kind of antigravity loop circuit heat pipe.This antigravity loop circuit heat pipe has efficient heat transfer property under antigravity condition, and working media back-flow velocity is fast, stable.
The purpose of this utility model realizes by following technical scheme: this antigravity loop circuit heat pipe, there is the evaporator section, adiabatic section, condensation segment and the transfusion section that are connected to form successively loop from beginning to end, described transfusion section comprises at least 1 capillary, and described two ends capillaceous are connected with condensation segment with evaporator section respectively; Described internal diameter capillaceous is all less than the internal diameter of the body of evaporator section and condensation segment; In described evaporator section, be provided with liquid-sucking core runner.
As a kind of preferred, described quantity capillaceous is 1 to 6.
As a kind of preferred, described endoporus pore size capillaceous is 0.5mm～1.5mm.
Described liquid-sucking core runner is provided with cylindrical portion and cylindrical portion, and described cylindrical portion is positioned at the liquid feeding end of evaporator section, and is communicated with transfusion section; The concentric setting of body of described cylindrical portion and evaporator section, and be communicated with adiabatic section.
The thickness of described cylindrical portion is 0.5mm～1.5mm.
The manufacture method of described a kind of antigravity loop circuit heat pipe, comprises the following steps:
(1), choose 1 the first copper tube and make adiabatic section and condensation segment;
(2), choose 1 to 6 the second copper tube and make transfusion section as capillary, described the second copper tube is bent definite shape, described the second copper tube is bent to feed liquor portion, transfusion portion and the fluid portion connecting successively, described transfusion portion is L-type; Described 1 to 6 the second copper tube is arranged in parallel;
(3), choose 1 the 3rd copper tube and make evaporator section, from the outlet side of the 3rd copper tube, insert plug, and make plug be positioned at the 3rd copper tube center, plug is concentric with the 3rd copper tube; Then in the 3rd copper tube, fill metal dust; After having filled metal dust, then the 3rd copper tube is heated together with metal dust, make metal dust and the 3rd copper tube be sintered to one;
(4), in described step (1), the first copper tube of condensation segment and the feed liquor portion in step (2) are tightly connected, in described step (3), sintering the 3rd copper tube and the liquid feeding end of metal dust and the fluid portion in step (2) are tightly connected, the outlet side of described evaporator section and the inlet end of adiabatic section are tightly connected, thereby make the matrix of antigravity loop circuit heat pipe;
(5), described matrix is vacuumized to processing, and then to base perfusion in vivo working media, thereby make antigravity loop circuit heat pipe.The quantity of described the second copper tube is 3.
In step (3), the filling rate of described metal dust is 100%.
In step (3), described the 3rd copper tube and the metal dust temperature with 850 ℃～950 ℃ under the atmosphere of hydrogen or inert gas heats, and the heat time is 30～90 minutes.
Described plug be graphite rod or stainless steel bar.
The operation principle of this antigravity loop circuit heat pipe: the liquid working media of described evaporator section is transformed into gaseous working medium because being heated; Gaseous working medium flows to ，Zai Cong adiabatic section, adiabatic section from the evaporator section in hyperbar state and enters condensation segment and carry out cooling; Gaseous working medium again reverts to liquid working media after condensation segment is subject to cooling effect, and this liquid working media enters in the capillary in transfusion section; In evaporator section because liquid working media is transformed into gaseous working medium, liquid-sucking core runner is because of the capillary force increase in liquid minimizing liquid-sucking core runner, therefore the liquid working media in capillary is subject to the effect of capillary force and enters in liquid-sucking core runner, so repeatedly, evaporator section, adiabatic section, condensation segment and the transfusion section of working media in annular heat pipe circulates.
The utility model has advantages of as follows with respect to prior art: this antigravity loop circuit heat pipe is by arranging capillary and the liquid-sucking core runner of small-bore, liquid working media in antigravity loop circuit heat pipe can be by capillary force from main flow, therefore working media back-flow velocity is highly stable, temperature fluctuation is little, easy temperature control, thus can raising heat transfer efficiency; Transfusion section in this antigravity loop circuit heat pipe is utilized the capillary of little internal diameter, thereby provides liquid working media enough capillary forces, and liquid working media is refluxed at a high speed, also can prevent from producing when liquid working media is heated gas bubble blockage transfusion section simultaneously; This antigravity loop circuit heat pipe utilizes capillary force and power of heat source can automatically regulate working media flow velocity (the speed of the liquid working media by steam raising section, to control the capillary force size variation in liquid-sucking core runner, regulates thereby realize automatically); The working media of this antigravity loop circuit heat pipe flows by capillary force, thereby guarantee the efficiency that distance is conducted heat, even and under antigravity condition, also can guarantee enough heat transfer efficiencys, the flow speed stability of working media, temperature fluctuation is little, the situation that there will not be low-power to lose efficacy; This antigravity loop circuit heat pipe can be applicable to the fields high and complicated to radiating condition requirement such as Aero-Space, photoelectron, chemical industry, power engineering.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of antigravity loop circuit heat pipe of the present embodiment 1.
Fig. 2 is the cutaway view of a kind of antigravity loop circuit heat pipe of the present embodiment 1.
Fig. 3 is that standby schematic diagram is shown in the preparation of the evaporator section of the present embodiment 1.
Fig. 4 is the application schematic diagram of a kind of antigravity loop circuit heat pipe of the present embodiment 1.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
A kind of antigravity loop circuit heat pipe as depicted in figs. 1 and 2, there are head and the tail successively and be connected to form evaporator section 1, adiabatic section 2, the condensation segment 3 of loop and the section 4 of infusing, described transfusion section 4 comprises 3 capillaries 5, and the two ends of described capillary 5 are connected with condensation segment 3 with evaporator section 1 respectively; The internal diameter of described capillary 5 is all less than the internal diameter of the body of evaporator section 1 and condensation segment 3; In described evaporator section 1, be provided with liquid-sucking core runner 6.Described this evaporator section 1 outlet side is connected by threeway adapter 7 with adiabatic section 2 inlet ends, be that the outlet side of evaporator section 1 and the inlet end of adiabatic section 2 are connected with two interfaces of threeway adapter 7 respectively, and the 3rd interface of threeway adapter 7 is provided with and take out mouthfuls 8 for what vacuumize processing.And the two ends of capillary 5 are connected with the outlet end of condensation segment 3 with the liquid feeding end of evaporator section 1 respectively by connector 9.The material of described threeway adapter 7 and connector 9 is red copper.In order to make the being tightly connected property of each section good, described evaporator section 1 outlet side is all connected with threeway adapter 7 by the mode of welding with adiabatic section 2 inlet ends, and the liquid feeding end of the two ends of capillary 5, evaporator section 1 and the outlet end of condensation segment 3 are all connected with connector 9 by the mode of welding.
The endoporus pore size of described capillary 5 is 1mm.The external diameter size of described capillary 5 is 2mm.
Described liquid-sucking core runner 6 is provided with cylindrical portion 61 and cylindrical portion 62, and described cylindrical portion 62 is positioned at the liquid feeding end of evaporator section 1, and is communicated with transfusion section 4; The concentric setting of body of described cylindrical portion 61 and evaporator section 1, and be communicated with adiabatic section 2.
The thickness of described cylindrical portion 61 is 1mm.
The manufacture method of described a kind of antigravity loop circuit heat pipe, comprises the following steps:
(1), choose 1 the first copper tube and make adiabatic section 2 and condensation segment 3; 3 of adiabatic section 2 and condensation segments utilize a copper tube to make, and guarantee that the connection of adiabatic section 2 and condensation segment 3 has good sealing, and reduce processing; Described the first copper tube is stretching, and the first copper tube is bending not, utilize gaseous working medium to flow, and the aperture of the first copper tube is greater than the aperture of the second copper tube;
(2), choose 3 the second copper tubes and make transfusion section 4 as capillary 5, described the second copper tube is bent definite shape, described the second copper tube is bent to feed liquor portion 51, transfusion portion 52 and the fluid portion 53 connecting successively, described transfusion portion 52 is L-type; Described feed liquor portion 51 and fluid portion 53 respectively with vertical setting the in two ends of transfusion portion 52; Described 3 the second copper tubes are arranged in parallel.
(3), as shown in Figure 3, choose 1 the 3rd copper tube and make evaporator section 1, insert plug 10, and make plug 10 be positioned at the 3rd copper tube center from the outlet side of the 3rd copper tube, plug 10 is concentric with the 3rd copper tube 10; Then in the 3rd copper tube, fill metal dust; After having filled metal dust, then the 3rd copper tube is heated together with metal dust, make metal dust and the 3rd copper tube be sintered to one; Described the 3rd copper tube is also a straight tube being straightened, and the aperture of the 3rd copper tube equates with the aperture of the first copper tube.
(4), in described step (1), the first copper tube of condensation segment 3 and the feed liquor portion 51 in step (2) are tightly connected, the liquid feeding end of the evaporator section 1 that in described step (3), sintering the 3rd copper tube and metal dust are made and the fluid portion 53 in step (2) are tightly connected, the inlet end of the outlet side of described evaporator section 1 and adiabatic section 2 is tightly connected, thereby makes the matrix of antigravity loop circuit heat pipe;
(5), described matrix is vacuumized to processing, and then to base perfusion in vivo working media, thereby make antigravity loop circuit heat pipe.The inlet end of the outlet side of described evaporator section 1 and adiabatic section 2 is taken out mouth 8 threeway adapter 7 by being provided with is tightly connected, and when matrix is vacuumized to processing or perfusion working media, all can be undertaken by taking out mouth 8.
In step (3), the filling rate of described metal dust is 100%.Described metal dust is copper powder or nickel powder.
In step (3), described the 3rd copper tube and the metal dust temperature with 900 ℃ under the atmosphere of inert gas heats, and the heat time is 60 minutes.
Described plug 10 be graphite rod.
As shown in Figure 4, in application, described evaporator section 1 is arranged with heat block 11, and described condensation segment 3 is provided with radiating fin 12, thereby improves the heat transfer efficiency of whole annular heat pipe.
This antigravity loop circuit heat pipe except following technical characterictic with embodiment 1: the quantity of described capillary 5 is 2.The aperture of the endoporus of described capillary 5 is 0.5mm.
The above-mentioned specific embodiment is preferred embodiment of the present utility model; can not limit the utility model; other any change that does not deviate from the technical solution of the utility model and make or other equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (5)
1. an antigravity loop circuit heat pipe, there is the evaporator section, adiabatic section, condensation segment and the transfusion section that are connected to form successively loop from beginning to end, it is characterized in that: described transfusion section comprises at least 1 capillary, and described two ends capillaceous are connected with condensation segment with evaporator section respectively; Described internal diameter capillaceous is all less than the internal diameter of the body of evaporator section and condensation segment; In described evaporator section, be provided with liquid-sucking core runner.
2. a kind of antigravity loop circuit heat pipe according to claim 1, is characterized in that: described quantity capillaceous is 1 to 6.
3. a kind of antigravity loop circuit heat pipe according to claim 1, is characterized in that: described endoporus pore size capillaceous is 0.5mm～1.5mm.
4. a kind of antigravity loop circuit heat pipe according to claim 1, is characterized in that: described liquid-sucking core runner is provided with cylindrical portion and cylindrical portion, and described cylindrical portion is positioned at the liquid feeding end of evaporator section, and is communicated with transfusion section; The concentric setting of body of described cylindrical portion and evaporator section, and be communicated with adiabatic section.
5. a kind of antigravity loop circuit heat pipe according to claim 4, is characterized in that: the thickness of described cylindrical portion is 0.5mm～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375529.2U CN203454874U (en) | 2013-06-27 | 2013-06-27 | Anti-gravity loop heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375529.2U CN203454874U (en) | 2013-06-27 | 2013-06-27 | Anti-gravity loop heat pipe |
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| CN203454874U true CN203454874U (en) | 2014-02-26 |
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| CN201320375529.2U Expired - Fee Related CN203454874U (en) | 2013-06-27 | 2013-06-27 | Anti-gravity loop heat pipe |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322843A (en) * | 2013-06-27 | 2013-09-25 | 华南理工大学 | Anti-gravity loop heat pipe and production method thereof |
| CN104949557A (en) * | 2015-06-12 | 2015-09-30 | 厦门大学 | Anti-gravity capillary pumped loop |
| CN105674780A (en) * | 2016-04-06 | 2016-06-15 | 中国科学院工程热物理研究所 | Anti-gravity heat pipe |
| CN108222125A (en) * | 2018-01-15 | 2018-06-29 | 山东大学 | The loop circuit heat pipe and its heat-exchanger rig of a kind of mao of suction height change |
| CN108302966A (en) * | 2018-01-15 | 2018-07-20 | 山东大学 | A kind of loop circuit heat pipe and its heat-exchanger rig of intermediate setting through-hole |
| CN108362150A (en) * | 2018-01-31 | 2018-08-03 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig of via area height change |
| CN109341389A (en) * | 2018-01-31 | 2019-02-15 | 山东大学苏州研究院 | A kind of reversed gravity loop circuit heat pipe and its heat-exchanger rig |
| CN109341386A (en) * | 2018-01-15 | 2019-02-15 | 山东大学 | A kind of loop circuit heat pipe and its heat-exchanger rig that more down-comers are set |
| CN109341391A (en) * | 2018-01-31 | 2019-02-15 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig of caliber height change |
| CN109341390A (en) * | 2018-01-31 | 2019-02-15 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig being connected to area height change |
| CN110375568A (en) * | 2018-04-13 | 2019-10-25 | 宏碁股份有限公司 | Circulation cooling module |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103322843A (en) * | 2013-06-27 | 2013-09-25 | 华南理工大学 | Anti-gravity loop heat pipe and production method thereof |
| CN104949557A (en) * | 2015-06-12 | 2015-09-30 | 厦门大学 | Anti-gravity capillary pumped loop |
| CN104949557B (en) * | 2015-06-12 | 2016-09-07 | 厦门大学 | Antigravity hair cell regeneration |
| CN105674780A (en) * | 2016-04-06 | 2016-06-15 | 中国科学院工程热物理研究所 | Anti-gravity heat pipe |
| CN105674780B (en) * | 2016-04-06 | 2017-12-15 | 中国科学院工程热物理研究所 | A kind of antigravity heat pipe |
| CN109341386A (en) * | 2018-01-15 | 2019-02-15 | 山东大学 | A kind of loop circuit heat pipe and its heat-exchanger rig that more down-comers are set |
| CN108222125A (en) * | 2018-01-15 | 2018-06-29 | 山东大学 | The loop circuit heat pipe and its heat-exchanger rig of a kind of mao of suction height change |
| CN108302966A (en) * | 2018-01-15 | 2018-07-20 | 山东大学 | A kind of loop circuit heat pipe and its heat-exchanger rig of intermediate setting through-hole |
| CN109341386B (en) * | 2018-01-15 | 2019-09-03 | 山东大学 | A kind of loop circuit heat pipe and its heat-exchanger rig that more down-comers are set |
| CN108302966B (en) * | 2018-01-15 | 2019-03-26 | 山东大学 | A kind of loop circuit heat pipe and its heat-exchanger rig of intermediate setting through-hole |
| CN109341390A (en) * | 2018-01-31 | 2019-02-15 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig being connected to area height change |
| CN109341391B (en) * | 2018-01-31 | 2019-08-30 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig of caliber height change |
| CN109341389A (en) * | 2018-01-31 | 2019-02-15 | 山东大学苏州研究院 | A kind of reversed gravity loop circuit heat pipe and its heat-exchanger rig |
| CN108489309A (en) * | 2018-01-31 | 2018-09-04 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig of through-hole distribution density height change |
| CN110094893A (en) * | 2018-01-31 | 2019-08-06 | 山东大学苏州研究院 | A kind of design method of the communications and liaison size of picotan |
| CN110094892A (en) * | 2018-01-31 | 2019-08-06 | 山东大学苏州研究院 | A kind of loop circuit heat pipe extracts the design method of the device of water from air |
| CN109341390B (en) * | 2018-01-31 | 2019-08-30 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig being connected to area height change |
| CN109341391A (en) * | 2018-01-31 | 2019-02-15 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig of caliber height change |
| CN109341389B (en) * | 2018-01-31 | 2019-08-30 | 山东大学苏州研究院 | A kind of reversed gravity loop circuit heat pipe and its heat-exchanger rig |
| CN108362150A (en) * | 2018-01-31 | 2018-08-03 | 山东大学苏州研究院 | A kind of loop circuit heat pipe and its heat-exchanger rig of via area height change |
| CN110094893B (en) * | 2018-01-31 | 2020-12-22 | 山东大学苏州研究院 | Design method for communication size of water lifting device |
| CN110094892B (en) * | 2018-01-31 | 2020-12-18 | 山东大学苏州研究院 | Design method of device for extracting water from air by loop heat pipe |
| US10996006B2 (en) | 2018-03-07 | 2021-05-04 | Acer Incorporated | Cycling heat dissipation module |
| CN110375568A (en) * | 2018-04-13 | 2019-10-25 | 宏碁股份有限公司 | Circulation cooling module |
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