CN105651090A - Novel nano pulse heat superconducting device of three-dimensional spiral condensation structure - Google Patents
Novel nano pulse heat superconducting device of three-dimensional spiral condensation structure Download PDFInfo
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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
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Abstract
The invention relates to heat superconducting devices, in particular to a novel nano pulse heat superconducting device of a three-dimensional spiral condensation structure. According to the novel nano pulse heat superconducting device of the three-dimensional spiral condensation structure, condensation pipes are spirally wound on the outer surface of a cooling pipe core, so that at least one three-dimensional condensation section is formed; the two ends of each three-dimensional condensation section are connected with evaporation pipes correspondingly so as to communicate with each other; and a three-dimensional planar S-shaped pipe network formed by combining the three-dimensional condensation sections with the evaporation pipes is filled with working media. According to the novel nano pulse heat superconducting device of the three-dimensional spiral condensation structure, the condensation pipes are spirally wound on the cooling pipe core, and heat transmitted from evaporation sections of the S-shaped evaporation pipes is taken away by circulating cooling circulating fluid in the cooling pipe core, so that the heat transfer efficiency can be adjusted, the utilization rate of input heat is increased, the heat transfer area is increased, and the effect of improving the heat transfer efficiency is achieved.
Description
Technical field:
The present invention relates to three-dimensional spiral condensation structure (nanometer) pulsation thermal superconducting device, can be widely used for middle high temperature solar heat collecting, the instrument heat radiation of multi-chip electronics unit, the cooling of big plane radar chip cooling, high-power power battery or heated at constant temperature, LED display, calutron cool down field.
Technical background
Modern advanced microelectronic device is made up of substantial amounts of chip and electronic devices and components, the heat of components and parts is essentially from the resistive load of self, such as transformator, integrated circuit, high power transistor, high-power resistance etc., produced by them, heat major part is dispersed in surrounding medium with the form of conduction of heat, convection current and radiation, and only small part sheds in the form of an electromagnetic wave. Along with the raising of electronic devices and components integrated level and the volume improving electronic equipment of manufacturing process are more and more less; Simultaneously in order to meet user to high performance demand, the power of electronic installation is also increasing; In addition to the electronic equipments such as attractive in appearance and moistureproof, rain and snow all take the encapsulation measure of necessity. Heat flow density based on the reason electronic installation of these three aspect is increasing. How they are carried out effective heat radiation and have become as the difficult problem that numerous producer faces, because the height of heat dissipation technology determines the success or failure of digital product markets.
The development trend of electronic product requires the features such as heat dissipation should have compactedness, reliability, motility, radiating efficiency is high, need not keep in repair. The heat consumption of electronic equipment increases with the increase of power, and this makes the caloric value of electronic device in unit volume constantly increase, and the surface heat mobility during work of some electronic device has reached tens of watts every square centimeter. When temperature is increased to uniform temperature, electronic component will be unable to normal use, and the reliability of electronic equipment is affected. The operative practice of electronic equipment shows: with the increase of temperature, the crash rate of electronic devices and components is exponentially increased, and for some electronic device, ambient temperature often raises 10 DEG C, crash rate even can increase and is twice above, and this is reducing the reliability of equipment in varying degrees. In addition, due to the transformation of design concept, the encapsulation degree of electronic device improves constantly, and miniaturization, modularity become the development trend of electronic equipment, the thermal design of electronic equipment is just had higher requirement by this, and science, effective design of Cooling System are just particularly important. Cause that in the factor that electronic equipment lost efficacy, temperature accounts for 55%.
Global energy resource consumption increases the approach exhaustion causing fossil energy and the severe contamination to earth environment, is especially particularly acute in China, nationwide lasting haze, it is simply that best witness. Utilizing regenerative resource to solve the mankind is the direction of future development to the dependence of the energy. Solar energy is exactly the clean reproducible energy that all things on earth is inexhaustible, nexhaustible. Efficient absorption solar radiation energy is also problem demanding prompt solution.
This just solves the heat dissipation problem of electronic device in the urgent need to stability and high efficiency, small-sized heat transmission equipment. At present, having occurred in that multiple efficient heat dissipation technology, comparatively typically the heat dissipation technology such as heat pipe, microchannel and refrigerating chip, wherein traditional hot pipe technique development is relatively ripe. The nineties in 20th century, Japanese scholars Akachi proposes a kind of Novel Delivery mode heat superconducting tech being different from conventional heat pipe, utilizing working medium to produce pulse in special construction during phase transformation is driving force, it is called oscillating heat pipe (OscillatingHeatPipe, or pulsating heat pipe (PulsatingHeatPipe, OHP) PHP). Between last decade, along with becoming increasingly conspicuous of heat dissipation problem, the research and development of oscillating heat pipe also becomes increasingly to enliven.
Pulsating heat pipe has simple in construction, flexible design, cost is low, volume is little, limit heat-flow density advantages of higher, provides a kind of new selection for realizing high efficient heat exchanging. The application of current pulsating heat pipe is concentrated mainly on the thermal control of large scale integrated chip and multi-chip module.
The temperature that in the solar energy thermal-power-generating technology that this patent develops for current state key, collecting system exists is low, bearing capacity is poor, recovery utilization rate is low, unstable discontinuous, not easily store etc. problem, and the extensive cooling technical problem that the high-end equipment manufacturing such as Aero-Space, military affairs, microelectronics industry is badly in need of, development and Design novel three-dimensional condensation pulsation thermal superconducting device, to improving energy utilization rate, reach efficiently to utilize the purpose of the energy, it is achieved energy-saving and emission-reduction and utilization of new energy resources.
Summary of the invention
It is an object of the invention to provide a kind of three-dimensional spiral condensation structure pulsation thermal superconducting device, this device can improve energy utilization rate, reaches efficiently to utilize the purpose of the energy, it is achieved energy-saving and emission-reduction and utilization of new energy resources.
The object of the invention is realized by following manner:
The present invention includes: cooling tube core, on the outer surface of described cooling tube core, spiral winding has condensing tube to form at least one three-dimensional condensation segment, each three-dimensional condensation segment two ends are connected to form with evaporation tube respectively and are interconnected, three-dimensional condensation segment and evaporation tube combination are filled with working medium in the snakelike pipe network of three-dimensional planar formed.
Described cooling tube core adopts rustless steel, mild steel, aluminium alloy, copper, copper alloy or titanium alloy material to process, and described cooling tube core two ends portion is provided with expansion bellow, and termination adopts straight tube mouth or external screw thread to connect.
Described evaporation tube is bent to multiple U-tube by rustless steel, mild steel, aluminium alloy, copper, copper alloy or titanium alloy metal material, the head end of two often adjacent U-tube and tail end are connected by three-dimensional condensation segment, form the snakelike pipe network of three-dimensional planar being interconnected.
The snakelike pipe network of described three-dimensional planar can be the formation closed-loop path that joins end to end, it is also possible to be the open architecture shut of two.
The snakelike pipe network of described three-dimensional planar can be affixed directly on thermal source, it is also possible to is welded to combustion thin plate.
Described spiral winding has condensing tube to adopt rustless steel, mild steel, aluminium alloy, copper, copper alloy or titanium alloy to bend to three-dimensional spiral shape, compact winding circulates in core tube in thermal-arrest, or by welding after thermal insulating compact heap bonding or compressed by metal film, paste and in thermal-arrest circulation core tube.
Described condensing tube is fixed in thermal-arrest circulation core tube by extension heat transmission fin.
Described spiral winding has condensing tube one-body molded with evaporation tube or split weld after integral.
Described working medium adopts ultra-pure water, methanol, ethanol, acetone, R134a or R22 pure material, or in above-mentioned single fluid, add gold nano grain, CNT, aluminum nanoparticles, copper or ceramic nanoparticles and the nano-fluid of homogeneous suspending agent formation, the nano-particle amount added by volume accounts for the 1-15% of fluid total volume, and under vacuum conditions, three-dimensional snakelike pipe network is filled with the working medium accounting for pipe network volume 30%-60%, in three-dimensional snakelike pipe network, forms gas-liquid-solid three-phase coexist working medium.
The invention have the advantages that
1, present invention spiral winding on cooling tube core has condensing tube, forms condensation segment structure at cooling tube core, by cooling tube in-core circulation cool cycles fluid, removing the heat that snakelike evaporation tube evaporator section transmits. Change condensation segment structure and the type of cooling of tradition pulsating heat pipe.
2, the spiral number of turns of spiral condensation segment structure, by being wound around the spiral cold-finger of the different number of turns at cooling tube core external helicoid, reach the purpose that heat transfer efficiency is adjustable, reduce heat transfer area, change the shortcoming that condensing tube efficiency is single, space hold is big of tradition pulsating heat pipe.
3, increase hot plate, by increasing hot plate, U-shaped evaporation tube is uniformly heated, add the utilization rate of input heat.
4, spiral condensation segment structure and cooling tube core weld the mode of metal film after being compressed by thermal insulating block and bondd and are attached. By the mode of spiral winding and compression, condensing tube and cooling core pipe are attached, the mode passing through to weld after boning metal film again between spiral cold-finger and cooling tube core is attached, namely the transfer fluxes between spiral condensation segment and cooling tube core 1 can be increased, heat transfer area can be increased again, play the effect increasing heat transfer efficiency.
The present invention mainly has the following characteristics that
(1) this device can under different use angles startup optimization;
(2) the heated fluid of this device and thermal superconducting device indirect heat exchange, it is possible to use unlike material combines, and is possible not only to improve performance, reduces manufacturing cost, and can increase service life;
(3) this device adopts three-dimensional many helical structures condensing tube, winding around on cooling tube core, significantly reducing device entire thermal resistance, thus improving efficiency of energy utilization and quality;
(4) pulsating heat pipe evaporator section can be heated by device by metallic plate, makes pulsating heat pipe evaporator section thermally equivalent, it is easy to forms continuous impulse stream;
(5) device can be designed to end to end close loop, it is also possible to head and the tail are not desired to the open type loop connect, it is simple to manufactures and uses;
(6) apparatus structure is simple, and volume is little, low cost of manufacture, and heat transfer efficiency is high, good reliability;
(7) use haves a wide reach, and the method can be widely used in middle high temperature solar heat collecting, cooling electronic component, big plane heat radar face, high-power power battery cooling or heated at constant temperature, LED illumination or the purposes such as display, electromagnet cooling;
(8) function modifications upgrading: on this invention basis, it is possible to extend many-sided advanced means. Present configuration is simple, when keeping basic structure constant, it is achieved the transformation and upgrade of profile and function, also facilitates simultaneously and connects other auxiliary devices.
Accompanying drawing explanation
Fig. 1 is closed type three-dimensional condensation structure of the present invention pulsation Super-conductive conduit basic structure schematic diagram;
Fig. 2 is the another embodiment structural representation of Fig. 1;
Fig. 3 is open three dimensional condensation structure of the present invention pulsation Super-conductive conduit basic structure schematic diagram;
Fig. 4 is Fig. 3 another embodiment structural representation;
Fig. 5 is the condensation pipe racks extension heat transmission fin structural representation of Fig. 1;
Fig. 6 is the side view of Fig. 5;
The evaporation pipe racks that Fig. 7 is Fig. 6 absorbs heating board structure schematic diagram;
Fig. 8 is the side view of Fig. 7;
Fig. 9 is condensation pipe racks insulation compressing structure schematic diagram;
Figure 10 is the side view of Fig. 9;
Figure 11 absorbs heating board structure schematic diagram for evaporation pipe racks;
Figure 12 is the side view of Figure 11.
Detailed description of the invention
Embodiment 1
See Fig. 1-2, closed type three-dimensional condensation structure pulsation Super-conductive conduit or bonding thermal insulating compact heap 8
By cooling tube core 1, condensing tube 2, five U-shaped evaporation tubes 3, intraductal working medium 4, topping up pipe 5, evaporation tube combustion thin plate 6, welding metal film 7, cooling tube core 1 two ends head is provided with link, it is respectively equipped with expansion bellow near two link places, cooling tube core 1 outer surface is respectively screw and is wound with six groups of condensing tubes 2 and forms six groups of three-dimensional spiral condensing tubes, the head end mouth of first group of three-dimensional spiral condensing tube is connected with closed-loop path head end mouth, the head end mouth of first group of three-dimensional spiral condensing tube tail end mouth and first U-shaped evaporation tube 3 connects, the head end mouth of the tail end mouth of first U-shaped evaporation tube 3 and second group of three-dimensional spiral condensing tube connects, the tail end mouth of second group of three-dimensional spiral condensing tube and second U-shaped evaporation tube 3 head end mouth connect, being sequentially connected with in this way, the tail end mouth of the 6th group of three-dimensional spiral condensing tube is connected with closed-loop path tail end mouth, has topping up pipe 5 bottom closed-loop path. realize the transmission of efficient heat. in invention device, cooling tube core 1 can be formed through processing expansion bellow and two ends attachment structure (straight tube, external screw thread, female thread or flange etc.) by the rustless steel of 10-50mm, mild steel, aluminium alloy, copper or titanium alloy metal or ceramic material. the major function of cooling tube core 1 is the target fluid that pipe is flow through in heating or cooling, spiral cold-finger 2 can be wound on cooling tube core 1 outer surface by the rustless steel of 1.5-5.0mm, aluminium alloy or copper (alloy) metal tube closing twist (three-dimensional spiral structure), reduce thermal contact resistance, it is possible to welded by solder, heatproof binding metal film 7 is wound around or heat-barrier material structural member compresses mode and processes. the liquid working substance condensation that evaporator section pulse is come by the major function room of three-dimensional spiral condensing tube, discharges heat and effectively passes to the fluid flowing through cooling tube core 1, the flat serpentine coil pipe that snakelike evaporation coil 3 can be interconnected through multiple U-bend Qu Zucheng by 1.5-5.0mm rustless steel, aluminium alloy or copper (alloy) metal material (can be join end to end to form closed-loop path, can also be the open architecture shut of two), snakelike evaporation coil 3 major function is to absorb the heat of heating source, working medium gasification in snakelike evaporation coil 3, form pulsative oscillation, heat is transferred to condensation segment, snakelike evaporation coil can be affixed directly on thermal source to use, it is also possible to is welded to combustion thin plate 6, for big flat heat source or cooling surface, after device completion of processing, application degreasing agent, alkali cleaning, pickling or ultrasonic wave water washing process, it is filled with working medium 4 sealing device by topping up pipe 5 under vacuum conditions. working medium adopts ultra-pure water, methanol, ethanol, acetone or the single working medium of R134a, or in single working medium, add gold, aluminium oxide, CNT, copper or ceramic nanoparticles and suspending agent formation gas-liquid-solid three-phase coexist working medium.
The three-dimensional condensation structure nanometer of the present invention hot superconductive plate of pulsation, for high temperature solar heat collecting, cooling electronic component, big plane heat radar face, high-power power battery cooling or heated at constant temperature, LED illumination or display, electromagnet cooling purposes, design new structure pulsating heat pipe.Improving energy utilization rate, save the energy, zero-emission utilizes.
Device designs:
Overall dimensions: the long x of 800x850x38mm(width x is thick)
Evaporator section hot plate 6: aluminium alloy sheet, 800x800mm, thickness: 0.40mm
U-shaped evaporation tube 3 spacing: 40mm;
U-shaped evaporation tube 3 diameter: �� 3.0 �� 0.3mm;
U-shaped evaporation tube segment length: 800mm
U-shaped evaporation tube 3 quantity: 20;
Annular form: closed circuit;
Cooling tube core 1: material: C1100, diameter: �� 32.0mm, length: 850mm;
Three-dimensional spiral condensing tube: spiral external diameter: 32mm, spiral quantity: 4 circles, contact form: welding;
Working medium: acetone+nano aluminium oxide;
Technique performance parameter:
Start power: < 150W
Heating power: 150-30000W
Heat flow density: 50W/cm2
Heat transport limitation: > 40000W
Minimum resistance of heat transfer: 0.050 DEG C/W
Use temperature: 20-300 DEG C
The ultimate principle of three-dimensional condensation structure nanometer pulsation thermal superconducting device (figure-1 and figure-2) is: under vacuum conditions, working medium 4 being filled with according to set amount pulses in thermal superconducting device according to the three-dimensional of said structure processing and manufacturing, forming three-phase (gas-liquid-solid) coexisting body after sealing, working medium 4 can form countless continuous print vent plugs and liquid plug under capillary effect in tiny snakelike evaporation tube 3. External heat source is heated by evaporation tube 3 or the metallic film 7 that is welded on evaporation tube 3, heat uniformly passes on snakelike evaporation tube 3 tube wall by hot plate 6, the liquid phase working fluid endothermic gasification that snakelike evaporation tube 3 is filled with in managing, the pressure making evaporator section increases, form gas phase section, thus promoting above liquid plug or vent plug to move to spiral condensation segment, the liquid plug that closes on is also due to the increase of pressure and the transmission of heat and gasification movement. So in each pipe of evaporator section, forming the motion of substantial amounts of gas-liquid plug, orderly pushes condensation segment to by gas-phase working medium, and heated fluid flows through cooling tube core 1 and absorbs heat. When vent plug successively pours into spiral cold-finger, vent plug is subject to the cooling from condensation tube core 1 relatively SAPMAC method fluid, and liquid is formed in condensation, releases latent heat, is conducted to circulating cooling fluid by tube wall; Under the effect of tube wall surface tension force, condensed fluid forms liquid plug, forms reverse capillary force in spiral cold-finger, forms pulsations force power, flow back into the evaporator section of evaporation tube 3, and countless gas-liquid piston streams move back and forth like this in pipe, carry out heat exchange. So repeatedly, the heat of evaporator section, under the continual panting action that capillary force is formed, has been delivered to condensation segment, carries out the exchange transmission of heat, here it is the operation principle of three-dimensional condensation structure nanometer pulsation thermal superconducting device. This device utilizes the uniqueness of nanometer pulsating fluid, forms flow-disturbing at tube wall, reduces liquid boundary layer thickness, notable augmentation of heat transfer efficiency.
The startup (pulsation occurs) of three-dimensional condensation structure nanometer pulsation thermal superconducting device is closely related with the temperature of thermal source, heat flow rate per unit area, and the characteristic of working medium 4. The frequency of pulsation is the direct reaction of heat through-put power and thermal resistance, and apparatus structure designs, the selection of working medium 4 is most crucial.
Before activation, along with heat constantly inputs, the temperature difference of evaporator section and condensation segment constantly raises three-dimensional condensation (nanometer) pulsation thermal superconducting device, is the process of an energy accumulation, and pulsative oscillation is discontinuous inconspicuous. When instantaneous burst after energy accumulation to certain value, producing quick continuous oscillation, heat quickly transmits at pipeline so that device spiral cold-finger section temperature rises sharply, and evaporator section temperature die-offs, and evaporator section and the condensation segment temperature difference diminish.
The present invention has a characteristic that compared with traditional pulsating heat pipe
(1) condensation segment that the present invention designs and develops is three-dimensional many spiral winded types structure, with circulating cooling tube core for core body, is wound around multi-turn condensing tube, not only increases film-cooled heat, but also add capillary pulsations force power.Circulating cooling fluid is by cooling down tube core 1 and condensation end spiral 2 indirect heat exchange.
(2) at grade, chiller must be external for the condensation of tradition pulsating heat pipe and evaporator section, and structure is complicated, and film-cooled heat is relatively big, and efficiency is low. The present invention designs and develops condensation segment and is spirally wound on circulating cooling tube core with any number of turns, forms 3 D stereo intersection cooling combination, and film-cooled heat is controlled, and tool application.
(3) structural applications multiformity: spiral condensation segment and cooling tube core can pass through welding, compact winding or structural member and compress mode, can not only ensure intimate contact heat transfer, reduce heat transfer resistance, and can also start the effect of insulation; Increase metal film to be wound on condensing tube and cooling tube core, expand condensing tube area, improve heat transfer efficiency.
(4) special working medium: apparatus of the present invention working medium both can use the single working medium of ultra-pure water, methanol, ethanol, acetone or R134a, also gold, aluminium oxide, CNT, copper or ceramic nanoparticles and suspending agent can be added, airwater mist cooling fluid is formed in device, in pumping processes, nano-particle is in tube wall disturbance boundary region, notable augmentation of heat transfer, reduces thermal resistance.
(5) high-efficiency environment friendly: adopt nanometer three-phase fluid working medium, can not only improve heat transfer efficiency, and can also reduce start-up temperature and start hot-fluid, increase the maximal heat transfer limit. Working medium is nontoxic, double; two excellent without chemical reaction, long service life, heat transfer property and reliability with pulse piping.
(6) loop version: apparatus of the present invention can be end to end closed circuit form, it is also possible to be each self-enclosed open-circuit structures of head and the tail, select according to purposes and manufacture.
(7) combine integrated: invention device can select different working medium, it is possible to arbitrarily selects to be filled with the liquid filled ratio of working medium, and can select different size and different helical structures, according to purposes, optimization heat transfer property.
(8) applied widely: to the method can be widely used in middle high temperature solar heat collecting, cooling electronic component, big plane heat radar face, high-power power battery cooling or heated at constant temperature, LED illumination or the purposes such as display, electromagnet cooling.
Claims (9)
1. novel three-dimensional screw cool concretio nanometer pulsation thermal superconducting device, it is characterized in that, including: cooling tube core (1) is characterized in that, on the outer surface of described cooling tube core (1), spiral winding has condensing tube (2) to form at least one three-dimensional condensation segment, each three-dimensional condensation segment two ends are connected to form with evaporation tube (3) respectively and are interconnected, three-dimensional condensation segment and evaporation tube (3) combination are filled with working medium (4) in the snakelike pipe network of three-dimensional planar formed.
2. novel three-dimensional screw cool concretio nanometer according to claim 1 pulsation thermal superconducting device, it is characterized in that, cooling tube core (1) adopts rustless steel, mild steel, aluminium alloy, copper, copper alloy or titanium alloy material to process, described cooling tube core (1) two ends head is provided with expansion bellow, and termination adopts straight tube mouth or external screw thread to connect.
3. novel three-dimensional screw cool concretio nanometer according to claim 1 and 2 pulsation thermal superconducting device, it is characterized in that, evaporation tube (3) is bent to multiple U-tube by rustless steel, mild steel, aluminium alloy, copper, copper alloy or titanium alloy metal material, the head end of two often adjacent U-tube and tail end are connected by three-dimensional condensation segment, form the snakelike pipe network of three-dimensional planar being interconnected.
4. novel three-dimensional screw cool concretio nanometer according to claim 3 pulsation thermal superconducting device, it is characterised in that the snakelike pipe network of three-dimensional planar can be the formation closed-loop path that joins end to end, it is also possible to be the open architecture shut of two.
5. novel three-dimensional screw cool concretio nanometer according to claim 3 pulsation thermal superconducting device, it is characterised in that the snakelike pipe network of three-dimensional planar can be affixed directly on thermal source, it is also possible to is welded to combustion thin plate (6).
6. novel three-dimensional screw cool concretio nanometer according to claim 1 pulsation thermal superconducting device, it is characterized in that, spiral winding has condensing tube (2) to adopt rustless steel, mild steel, aluminium alloy, copper, copper alloy or titanium alloy to bend to three-dimensional spiral shape, compact winding circulates in core tube (1) in thermal-arrest, or by welding after thermal insulating compact heap (7) bonding or compressed by metal film, pasting and on thermal-arrest circulation core tube (1).
7. the novel three-dimensional screw cool concretio nanometer pulsation thermal superconducting device according to claim 1 or 6, it is characterised in that condensing tube (2) is fixed on thermal-arrest circulation core tube (1) by extension heat transmission fin.
8. according to claim 1,3 or 6 novel three-dimensional screw cool concretio nanometer pulsation thermal superconducting device, it is characterised in that spiral winding has condensing tube (2) one-body molded with evaporation tube (3) or split weld after integral.
9. novel three-dimensional screw cool concretio nanometer according to claim 1 pulsation thermal superconducting device, it is characterized in that, working medium adopts ultra-pure water, methanol, ethanol, acetone, R134a or R22 pure material, or in above-mentioned single fluid, add gold nano grain, CNT, aluminum nanoparticles, the nano-fluid that copper or ceramic nanoparticles and homogeneous suspending agent are formed, the nano-particle amount added by volume accounts for the 1-15% of fluid total volume, and under vacuum conditions, three-dimensional snakelike pipe network is filled with the working medium accounting for pipe network volume 30%-60%, in three-dimensional snakelike pipe network, form gas-liquid-solid three-phase coexist working medium.
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| CN107196014A (en) * | 2017-06-15 | 2017-09-22 | 成都动力核芯科技有限公司 | A kind of lithium ion battery of electric automobile phase change radiator structure |
| CN107254292A (en) * | 2017-05-27 | 2017-10-17 | 南京航空航天大学 | A kind of composite nanometer particle with the full spectrum body absorption characteristic of solar energy |
| CN108592669A (en) * | 2018-04-27 | 2018-09-28 | 南昌大学 | A kind of unidirectional circuit type pulsating heat pipe and energy saver |
| CN109520341A (en) * | 2019-01-14 | 2019-03-26 | 苏州图卡节能科技有限公司 | A kind of macromolecule tube wall pulsating heat pipe |
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| CN107196014A (en) * | 2017-06-15 | 2017-09-22 | 成都动力核芯科技有限公司 | A kind of lithium ion battery of electric automobile phase change radiator structure |
| CN107196014B (en) * | 2017-06-15 | 2023-04-28 | 成都大超科技有限公司 | Phase-change heat dissipation structure of lithium ion battery of electric automobile |
| CN108592669A (en) * | 2018-04-27 | 2018-09-28 | 南昌大学 | A kind of unidirectional circuit type pulsating heat pipe and energy saver |
| CN109520341A (en) * | 2019-01-14 | 2019-03-26 | 苏州图卡节能科技有限公司 | A kind of macromolecule tube wall pulsating heat pipe |
| CN112246781A (en) * | 2020-08-19 | 2021-01-22 | 厦门理工学院 | Temperature control system of laser cleaning machine |
| CN112246781B (en) * | 2020-08-19 | 2022-02-01 | 厦门理工学院 | Temperature control system of laser cleaning machine |
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