WO2016204328A1 - Caloduc mince et son procédé de fabrication - Google Patents

Caloduc mince et son procédé de fabrication Download PDF

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Publication number
WO2016204328A1
WO2016204328A1 PCT/KR2015/006256 KR2015006256W WO2016204328A1 WO 2016204328 A1 WO2016204328 A1 WO 2016204328A1 KR 2015006256 W KR2015006256 W KR 2015006256W WO 2016204328 A1 WO2016204328 A1 WO 2016204328A1
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WO
WIPO (PCT)
Prior art keywords
housing
hollow tube
flat
heat pipe
thin
Prior art date
Application number
PCT/KR2015/006256
Other languages
English (en)
Korean (ko)
Inventor
차준선
김병호
최유진
Original Assignee
티티엠주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 티티엠주식회사 filed Critical 티티엠주식회사
Priority to PCT/KR2015/006256 priority Critical patent/WO2016204328A1/fr
Priority to CN201580081005.4A priority patent/CN107835926A/zh
Publication of WO2016204328A1 publication Critical patent/WO2016204328A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/06—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by drawing
    • 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

Definitions

  • the present invention relates to a thin heat pipe and a manufacturing method therefor, and more particularly to a thin heat pipe of a thin thickness that can not be produced by extrusion or drawing and a manufacturing method for the same.
  • the present invention relates to a method for manufacturing a thin heat pipe, a heat pipe, and a method for manufacturing a housing for a thin heat pipe, which can be suppressed to generate corrugations on the surface as much as a thin film.
  • heat pipes are tens to hundreds of times more thermally conductive than high thermally conductive metals such as silver, copper, and aluminum. Therefore, the heat pipe has a very wide range of application, which is useful in various fields such as cooling a heat generating unit at a specific position like a computer CPU, recovering heat from exhaust gas, and collecting geothermal or solar heat. It is a heat transportation device.
  • the heat pipe is made of an airtight solid such as metal such as stainless steel, copper, and aluminum, and forms a closed space, that is, a housing, in the form of a tube to contain a working fluid therein. Therefore, when heat is applied from one side of the housing, the working fluid is evaporated in the inner space of the heating part, and the vaporized vapor is rapidly moved to the other side where no heat is applied and condensed, so that the heat of the heating part (evaporation part) is latent. It serves to be delivered to the condensation unit in the form of heat). At this time, the condensed liquid is returned to the heating part again by the capillary force of the wick structure provided inside the housing. Then, the heat transfer cycle as described above is infinitely repeated, so that the heat of the heating unit is continuously moved to the condensing unit.
  • an airtight solid such as metal such as stainless steel, copper, and aluminum
  • drawing or extrusion processing applied when manufacturing a plate-shaped housing is subject to certain dimension limitations in housing thinning due to limitations in processing accuracy. That is, when a thin plate heat pipe is to be manufactured by drawing or extruding, the housing formed by drawing or extruding may not be able to produce capillary force due to the limitation of processing precision of drawing or extruding. There was a problem that it is not crushed or distorted can not be normally applied to heat pipe manufacturing.
  • the wick 105 formed to face each other on the upper and lower flat plates 111 is arranged side by side up and down, the upper protrusion 121 and the lower protrusion 121 when rolling as shown in the lower side of FIG. Is close, while the upper groove 123 and the lower groove 123 are spaced apart. Therefore, on the premise that the cross-sectional area of the housing 103 is constant, since the gap between the upper groove 123 and the lower groove 123 is sufficiently wide, the boiling working fluid during degassing may be lost in the form of a liquid lump. Since the loss amount of the working fluid can be large, there is a problem that the production efficiency of the heat pipe is lowered. In addition, as shown in the lower side of FIG.
  • the longitudinal cross-sectional area of the housing 103 is reduced due to deformation due to buckling, resulting in a decrease in the performance of the heat pipe 101, and the upper protrusion 121 and the lower protrusion 121. Since the spacing between them is sufficiently narrow, the resistance to the flow of the working fluid is increased, and there is also a problem that the heat radiation performance of the heat pipe is reduced.
  • the present invention has been made to solve the above-mentioned problems, and it is possible to process a thin heat pipe of thin thickness, which could not be formed by drawing or extrusion due to the limitation of processing precision, and thus, by pressing, It is an object of the present invention to provide a thin heat pipe and a manufacturing method therefor that have a sufficiently thin thickness and do not degrade heat dissipation performance or production efficiency in response to the trend of thinning.
  • the thin heat pipe manufacturing method of the present invention for achieving the above object, the housing manufacturing step of manufacturing a thin hollow housing; A working fluid injection step of injecting a working fluid operating in the housing into the housing; And a closing step of sealing and sealing the inlet of the housing into which the working fluid is injected, wherein the housing manufacturing step includes forming a flat hollow tube with a thickness capable of plastic processing by drawing or extrusion. Molding step; And a secondary molding step of molding the housing having a thin shape by compressing the hollow tube so that the thickness of the hollow tube is reduced.
  • the manufacturing method of the thin heat pipe housing of the present invention the primary forming step of forming a flat hollow tube to a thickness capable of plastic processing by drawing or extrusion; And a secondary molding step of molding the housing having a thin shape by compressing the hollow tube so that the thickness of the hollow tube is reduced.
  • the thin heat pipe of the present invention comprises a thin hollow housing having a hollow provided therein as manufactured by the first forming step and the second forming step; A working fluid which is filled in the hollow of the housing and is evaporated at one side of the housing by heat transferred to the housing to condense at the other side of the housing; And a wick which protrudes on both sides of the inner surface of the housing to face each other and guides the working fluid in both directions through the groove formed between the spaced gaps of the protrusions. .
  • the manufacturing method of the thin heat pipe housing of the present invention the primary forming step of forming a flat hollow tube to a thickness capable of plastic processing by drawing or extrusion; And a secondary molding step of molding the housing having a thin shape by compressing the hollow tube so that the thickness of the hollow tube is reduced.
  • the primary forming step by connecting the pair of flat plate and the plate facing each other to provide a hollow inside the plate, the hollow against the pressing force generated by the pressing of the secondary forming step Forming the hollow tube by drawing or extruding the hollow tube formed by a pair of sidewalls having an inclination with respect to the flat plate such that the yield strength of the tube is attenuated so that the flat plate is generally flat even after pressing;
  • the hollow tube is compressed by rolling to reduce the thickness of the hollow tube to a thin thickness.
  • the thin heat pipe of the present invention consisting of the flat body and the side wall body having an inclination, a thin hollow housing having a hollow therein; A working fluid which is filled in the hollow of the housing and is evaporated at one side of the housing by heat transferred to the housing to condense at the other side of the housing; And a wick configured to be protruded on both sides of the inner surface of the housing to face each other, and to guide the working fluid in both directions through the groove formed between the spaced gaps of the protrusions in both directions. It can also be configured.
  • the thickness of the hollow tube can be reduced by pressing and then manufacturing a flat hollow tube with a thickness capable of plastic processing by drawing or extrusion, thereby manufacturing a thin housing.
  • a heat pipe is manufactured by injecting and filling a working fluid into the housing to seal the housing, thereby providing a thin heat pipe that cannot be processed by drawing or extrusion, and furthermore, a hollow pipe composed of a flat body and a side wall body.
  • the side wall body and / or the partition wall of the housing constituting the hollow tube form an inclination with respect to the flat body forming the upper and lower surfaces of the housing, the pressing force due to the compression acting on the side wall body and / or the partition wall when the hollow tube is crimped.
  • the yield strength can be attenuated. Accordingly, the side wall and / or the partition wall are easily deformed while being adapted to the pressing force due to the crimp, so that the corrugation of the wave pattern does not occur on the flat plate of the housing, Since the heat pipe can be manufactured to a thin thickness that was not expected by conventional drawing or extrusion processing, it is possible to provide the heat pipe in an ultra-thin in accordance with the recent trend. Accordingly, it is possible to provide a thin heat pipe that is thin and does not have to worry about deterioration due to poor contact with a heat source when the product is applied.
  • the working fluid can be easily transferred from the inside of the housing through the capillary force of the wick. If the free end of each wick formed on both sides of the inner surface is prevented from facing each other, the wick does not interfere with the movement of the working fluid during movement of the working fluid in spite of the presence of the wick.
  • the fluid can be smoothly flowed, and furthermore, since opposite wicks on both sides of the housing face each other in an alternating state, the free end side of the wick can be easily manufactured to face each other in an unmatched state.
  • the heat dissipation performance of the heat pipe be maintained normally through alternate wicks, but even if the housing is made thin by pressing, the cross sectional area of the housing is not substantially reduced, so that the hollow cross-sectional area can be maintained at a desired size. As a result, the heat capacity of the heat pipe can be maximized compared to the thickness of the housing.
  • the housing when the housing is configured so that the space between the free end side of the wick facing each other is formed on both sides of the hollow tube and can be configured to communicate with the working fluid through the gap can easily fill the working fluid inside the housing Can be.
  • the working fluid can be purified as well, thereby improving the performance of the working fluid.
  • FIG. 1 is a cross-sectional view of a heat pipe formed by drawing or extrusion
  • FIG. 2 is a flowchart sequentially illustrating a manufacturing process of a housing and a thin heat pipe according to an embodiment of the present invention
  • FIG. 3 is a cross-sectional view of the housing manufactured by the manufacturing process of FIG.
  • FIG. 4 is a cross-sectional view of the housing shown in FIG. 2 and another embodiment of the manufacturing process
  • FIG. 5 is a schematic diagram schematically showing the housing forming step shown in FIG. 2;
  • FIG. 6 and 7 are cross-sectional views of the housing by the finishing step shown in FIG.
  • FIG. 9 is a graph comparing the performance of the general thin housing shown in FIG. 1 and the thin housing according to the present invention.
  • the thin heat pipe manufacturing method of the present invention includes a housing manufacturing step (S10), a working fluid injection step (S20) and a finishing step (S30) as shown in FIG.
  • Housing manufacturing step (S10) is a step of manufacturing a thin housing 3 suitable for manufacturing a thin heat pipe.
  • the housing 3 is manufactured in the form of a thin plate having a thickness t smaller than the length l or the width w.
  • the housing manufacturing step (S10) is, for example, as shown in Figure 2 as the primary molding step (S11) for molding the hollow tube 10 and the secondary molding step (S12) for molding the thin housing (3). Can be configured.
  • the primary forming step (S11) is to manufacture the thin housing 3 of the precise structure having the wick 5 by the plastic processing such as drawing or extrusion, which is relatively unsuitable for precision machining, to the minimum thickness t as possible. It is a process and is a preliminary step for producing a thin heat pipe 1 which cannot be manufactured by drawing or compression because of its relatively precise structure.
  • the primary forming step (S11) is drawn to have a minimum thickness (t) that can be thin while maintaining the shape of the wick 5, etc., before processing the housing 3 to its final form by rolling described below. Or through the extrusion to form a plate-shaped hollow tube 10 as shown in the upper side of Figs.
  • the hollow tube 10 is a preformed product prepared for manufacturing the thin housing 3, but similarly to the housing 3, the hollow tube 10 is molded into a plate shape having a thickness T thinner than the length l or the width w.
  • the hollow tube 10 is connected to the pair of flat body 11, both ends of the flat body 11 arranged to face the hollow (S) inside
  • the plate body 11 and the side wall body 13 provide a hollow S in which the working fluid F is filled.
  • the hollow tube 10 is provided with a finishing end and a rear wall at the front and rear ends of the flat body 11 and the side wall body 13 to receive the working fluid F in a sealed state.
  • the above-described flat body 11 is a portion forming the heat transfer surface of the heat pipe 1, as compared to the side wall body 13 or the rear wall forming the thickness of the heat pipe 1 as shown in FIG.
  • the length and / or width are formed to be significantly long.
  • the heat pipe 1 forms a plate shape as a whole.
  • the flat body 11 is provided with a wick 5 extending in the longitudinal direction on each inner circumferential surface facing up and down. Therefore, when the flat body 11 is completed in the housing 3, the working fluid evaporated from the evaporation unit (one side of the housing) by the wick 5 is transferred to the condensation unit (the other side of the housing) to condense. That is, the working fluid transfers heat transferred to one side of the housing 3 to the other side while reciprocating in the housing 3 to cool the housing 3.
  • the wick 5 is composed of a projection 21 as shown in Figs.
  • the wick 5 may be formed in the shape of a semicircle or parallelogram as shown in the cross section of the protrusion 21, or alternatively, may be formed in various shapes such as a triangle or a semi-ellipse.
  • stainless steel, copper, aluminum, nickel, or the like may be used in the case of a heat pipe for normal temperature (use temperature range 230 to 500 K).
  • the hollow tube 10 may be composed of one hollow S surrounded by the flat body 11 or the like, but may be divided into multiple channels as shown in FIGS. 3 and 4.
  • the hollow tube 10 is hollow (S) is partitioned by a plurality of partition walls 15 to form a plurality of channels (17).
  • Each partition wall 15 is formed to be parallel to the above-described side wall body 13 while the hollow S is divided by a constant distance (equal interval) in the width direction to configure each channel 17 to have the same shape.
  • the width w of the channel 17 may alternatively be configured.
  • the hollow tube 10 is not shown in the case of having a single channel structure, the inner peripheral surface or both sides of the side wall body 13, or in the case of a multi-channel structure as shown in Figs.
  • the plurality of partition walls 15 may be formed in an inclined state.
  • the side wall body 13 and the partition walls 15 which are inclined in this way are inclined, the secondary forming step S12 described later as shown in FIG. 5.
  • the yield strength to the pressing force generated when the hollow tube 10 is rolled by is greatly attenuated. Accordingly, the hollow tube 10 is easily compressed to provide a thin housing 3 as the thickness T is reduced to a thin thickness t.
  • the housing 3 is easily molded into a thin shape as the side wall 13 and the partition wall 15 are flexibly deformed while being adapted to the pressing force when rolling, and the hollow tube 10 is reduced to a thin thickness t. Therefore, since the flat body 11 is rolled uniformly as a whole, the housing 3 formed into a thin shape by the rolling process forms a flat surface as a whole.
  • the inclination angle of the side wall body 13 or the partition wall 15 is in the range of 40 degrees to 70 degrees with respect to the surface of the flat body 11.
  • the inclination angle of 40 ° to 70 ° is an optimal range that reduces the yield strength of the partition wall 15 and the like but does not disturb the flow of the working fluid.
  • the inclination angle is less than 40 °, the angle between the partition wall 15 and the flat plate 11 is greatly reduced, so that the flow resistance of the working fluid flowing in the housing 3 completed with the heat pipe 1 is greatly increased. As a result, the heat transfer performance of the heat pipe 1 is lowered.
  • the yield strength reduction effect of the side wall body 13 or the partition wall 15 decreases, so that the flat body 11 after rolling is reduced. This is because waveform distortion occurs at
  • the secondary forming step (S12) is, as mentioned above, as a step of rolling the hollow tube 10 formed by drawing or extrusion in the primary forming step (S11) to the housing (3) of the finished product
  • the thickness (T) of the hollow tube 10 step by step rolling roll 20 arranged in three stages as shown in Figure 5 to a thin thickness (t) as shown in Figure 3
  • the thin housing 3 is molded.
  • the thinned housing 3 is thus a thin plate having a length l and / or a width w significantly longer than the width w as in the hollow tube 10, as shown in FIGS. 3 and 4. It consists of the upper body. Accordingly, the housing 3 connects the upper and lower pairs of flat bodies 11 and the left and right pairs of side wall bodies 13 connecting the left and right ends of the flat bodies 11 and the rear ends of the flat bodies, as shown. It consists of an open end in front of the rear wall and the flat body. The flat body 11 and the side wall 13 provide a hollow S for receiving the working fluid F inside the housing 3 through the rear wall and the finishing end.
  • the partition wall 15 partitioning the side wall body 13 and the hollow S at both ends of the housing 3 has a hollow tube 10 rolled into the housing 3 as shown in FIGS. 3 and 4.
  • the thickness T that is, the height is reduced to form a thin thickness t, and the width w is wider and the inclination angle is larger.
  • This wick 5 is provided with the upper and lower flat bodies 11 as shown so that the working fluid F which operates inside the housing 3 is guided in both directions in the interior of the housing 3, that is, the upper and lower portions, respectively. Each is formed.
  • the wicks 5 are preferably arranged alternately in the width direction as shown. Therefore, the housing 3 can maintain the flow cross section (cross-sectional area of a hollow) formed in the width direction to a desired magnitude
  • the wick 5 consists of a groove 23 formed between the plurality of protrusions 21 and each of the protrusions 21, as shown in FIGS. 2 to 7, as mentioned above.
  • the plurality of protrusions 21 protrude from the inner circumferential surface of each of the upper and lower flat plates 11 of the housing 3 as shown, and are formed at a predetermined distance (equal interval) in the width direction, and in the longitudinal direction of the housing 3. It extends and connects the evaporation part and the condensation part of the housing 3 while forming the groove 23 with the protrusion 21 adjacent to the periphery.
  • each protrusion 21 may be inclined in the same direction as the inclined direction of the inner circumferential surface of the side wall body 13 or the partition wall 15, as shown in FIG.
  • the groove 23 is a moving passage for returning the working fluid F condensed in the condensation part to the evaporation part and extends in the longitudinal direction of the housing 3 as shown in the same manner as the projection 21. It serves to move the working fluid of the condensation unit to the evaporation unit by capillary force.
  • the wick 5 preferably has respective positions formed on the upper and lower flat bodies 11, that is, free end ends of the protrusions 21 facing each other coincide with each other. Not only are they alternately shifted so as not to face each other, and more preferably, as shown in FIGS.
  • the protrusions 21 and the grooves corresponding to each other up and down Bar 23 is formed in the opposite state as to be engaged with each other, assuming that the cross-sectional area of the injection hole (9) is constant, the structure (g) of the injection hole (9) to be closed by compression is not engaged Since it becomes narrower than time, sealing of the inlet (9) is made more quickly, and thus the amount of loss of the working fluid (F) at the time of degassing described later can be adjusted more precisely. That is, when the projection 21 and the groove 23 are engaged when the injection hole 9 is crimped, the gap between the upper and lower grooves 23 is smaller than the case of FIG.
  • the wicks 5 respectively formed on the upper and lower flat plates 11 may be protrusions as shown in FIGS. 3 and 4 even when the hollow tube 10 is compressed and deformed into the thin housing 3.
  • the free end side ends of 21 are spaced apart by the gap D.
  • the hollow tube 10 must be compressed at a pressure that can be spaced apart by the gap D between the free end ends of the projections 21 facing each other when rolling, that is, during the molding of the housing 3. Accordingly, even when the housing 3 is manufactured in a thin shape, a gap D is formed between the protrusions 21 facing each other, so that the working fluid F can be communicated through the gap D. Therefore, since the working fluid F injected into the injection hole 9 communicates through the aforementioned gap D, the working fluid F is easily filled therein.
  • the working fluid F guided to one side (upper side) of the housing 3 and the other side (lower side) of the housing 3 are provided.
  • the working fluids F guided to each other are limited as much as possible to interfere with each other. Therefore, the working fluid F is smoothly moved even when guided from both sides of the housing 3, respectively.
  • the working fluid injection step (S20) is a step of injecting the working fluid into the molded housing 3 through the housing manufacturing step (S10), as shown in Figure 8 is open to one end of the housing (3) The working fluid F is injected into the housing 3 through the injection hole 9.
  • the working fluid is a heat transfer medium that is housed inside the housing 3 and rapidly transfers heat applied from the heat source to the evaporation unit at one end of the housing 3 to the condensation unit at the other end and discharged to the outside. It is housed in a sealed state in the hollow S shown in 3 and 4. Therefore, the working fluid F is heated and vaporized by the heat of the heat generating source in close contact with the evaporator, cooled in the condensation unit, and recovered to the evaporator through the wick 5.
  • the working fluid may be methanol, ethanol, ammonia, acetone, fluorocarbon compounds, and water, and the like, taking into account the amount of loss in the degassing step (S30) and the amount of filling accommodated in the final product. The amount of injection into the housing 3 is then determined.
  • the finishing step (S30) is a step of closing the inlet (9) of the housing 3 to finish the manufacture of the heat pipe (1), as shown in Figure 8, in the above working fluid injection step (S20)
  • the injection hole 9 of the housing 3 into which the working fluid F is injected is pressed and sealed with a pinch or the like to complete a series of heat pipe 1 manufacturing processes.
  • the heat pipe 1 manufactured through the above steps for example, as shown in FIG. 3, as can be seen in the graph of FIG. 9, compared with the conventional heat pipe 101 shown in FIG. 1, Since the buckling deformation of the partition wall 15 and the side wall body 13 is relatively small, and therefore the cross-sectional area reduction of the housing 3 after rolling is also relatively small, the thermal resistance is significantly reduced. That is, under the same conditions, the heat pipe 1 having a larger flow cross-section of the working fluid F can release heat at a higher speed than the heat pipe 101 when it is desired to release heat from a heat source of a specific temperature. Will be.
  • the heat pipe can be used to the extent that the amount of heat emitted from the condensation unit and the amount of heat absorbed from the evaporator unit are matched, that is, the temperature of the heat pipe in the condensation unit does not rise even when heated in the evaporator unit.
  • the heat capacity is a range in which the thermal resistance remains constant despite an increase in the heat load, the longitudinal flow cross-sections of the housings 3 and 103 are the same, and therefore, even if the thermal resistance is the same, Since the flow resistance of the housing 3 is significantly reduced than that of the housing 103, the heat capacity of the heat pipe 1 is greater than the heat capacity of the heat pipe 101. Therefore, in the heat pipe 1 according to the present invention, the usable range A becomes wider than the usable range B of the general heat pipe 1.
  • the present invention may further include a degassing step (S40).
  • Degassing step (S40) is a foreign matter such as non-condensable gas contained in the housing 3 and the working fluid (F) before or after the injection of the working fluid (F) in the housing 3 in the working fluid injection step (S20) Step to remove it.
  • the degassing step S40 is performed by various methods such as vacuum degassing or heating degassing. In the degassing step (S40), for example, as shown in FIG. 8, a foreign material may be removed by heating the housing 3 into which the working fluid is injected in the above working fluid injection step (S20) according to a heating degassing method.
  • a heating means such as a heating bath 30 may be used as shown in FIG. 5.
  • the housing 3 is submerged in the heating bath 30 in the state in which the working fluid F is injected and heated by the bath.
  • the housing 3 is fired by nitrogen, oxygen, moisture, or nitrogen, which is adsorbed on the inner wall, or dissolved in the working fluid F.
  • Foreign matter containing condensate gas is vaporized. The vaporized foreign matter is then removed out of the housing 3 through the inlet 9 together with the working gas in a boiling gaseous or liquid state.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

La présente invention concerne un caloduc mince et son procédé de fabrication. Le caloduc mince de la présente invention comprend un logement mince (3) comportant en son sein un espace creux (S) et formé par le biais d'une première étape de formation pour former un tube creux et une seconde étape de formation pour former le logement mince en comprimant le tube creux. Le logement (3) est rempli d'un fluide de travail (F) qui transfère la chaleur. La présente invention peut fournir un caloduc ultra-mince que l'on ne peut pas s'attendre à obtenir à partir d'un emboutissage ou d'une extrusion.
PCT/KR2015/006256 2015-06-19 2015-06-19 Caloduc mince et son procédé de fabrication WO2016204328A1 (fr)

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PCT/KR2015/006256 WO2016204328A1 (fr) 2015-06-19 2015-06-19 Caloduc mince et son procédé de fabrication
CN201580081005.4A CN107835926A (zh) 2015-06-19 2015-06-19 薄型热管及其制造方法

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PCT/KR2015/006256 WO2016204328A1 (fr) 2015-06-19 2015-06-19 Caloduc mince et son procédé de fabrication

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WO2016204328A1 true WO2016204328A1 (fr) 2016-12-22

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CN101581549A (zh) * 2009-06-09 2009-11-18 北京奇宏科技研发中心有限公司 一种扁形热管及其制作方法
CN103134363A (zh) * 2011-11-22 2013-06-05 奇鋐科技股份有限公司 热管结构及其制造方法
CN103851941B (zh) * 2012-12-04 2016-08-17 奇鋐科技股份有限公司 薄型热管制造方法
CN203224159U (zh) * 2013-03-05 2013-10-02 奇鋐科技股份有限公司 热管结构

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Publication number Priority date Publication date Assignee Title
JP2000028281A (ja) * 1998-07-09 2000-01-28 Furukawa Electric Co Ltd:The 板型ヒートパイプとその製造方法
KR100631050B1 (ko) * 2005-04-19 2006-10-04 한국전자통신연구원 평판형 히트 파이프
KR20070120251A (ko) * 2006-06-19 2007-12-24 티티엠주식회사 히트파이프 일체형의 인쇄회로기판 및 그 제조 방법
KR20120065575A (ko) * 2010-12-13 2012-06-21 한국전자통신연구원 압출로 제작되는 박막형 히트파이프
KR20150065426A (ko) * 2013-12-05 2015-06-15 티티엠주식회사 엇댄 구조의 윅을 갖는 박형 히트파이프

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