WO2013021449A1 - Caloduc plat et son procédé de fabrication - Google Patents

Caloduc plat et son procédé de fabrication Download PDF

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Publication number
WO2013021449A1
WO2013021449A1 PCT/JP2011/068055 JP2011068055W WO2013021449A1 WO 2013021449 A1 WO2013021449 A1 WO 2013021449A1 JP 2011068055 W JP2011068055 W JP 2011068055W WO 2013021449 A1 WO2013021449 A1 WO 2013021449A1
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WO
WIPO (PCT)
Prior art keywords
cell
working fluid
manufacturing
container
cells
Prior art date
Application number
PCT/JP2011/068055
Other languages
English (en)
Japanese (ja)
Inventor
崇人 水野
悠也 高野
哲義 深谷
栄作 垣内
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP2012530811A priority Critical patent/JP5382230B2/ja
Priority to DE112011105509.9T priority patent/DE112011105509T5/de
Priority to PCT/JP2011/068055 priority patent/WO2013021449A1/fr
Priority to US13/583,757 priority patent/US20130153176A1/en
Priority to CN2011800201096A priority patent/CN103038595A/zh
Publication of WO2013021449A1 publication Critical patent/WO2013021449A1/fr

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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
    • F28D15/0233—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 the conduits having a particular shape, e.g. non-circular cross-section, annular
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • 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
    • F28D15/0283—Means for filling or sealing heat pipes
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49353—Heat pipe device making

Definitions

  • the present invention relates to a flat heat pipe and a manufacturing method thereof.
  • a heat pipe in which a volatile working fluid is sealed in a sealed pipe made of a material having high heat conductivity (typically copper or aluminum) is often used.
  • a flat heat pipe that can take a large contact area with the heating element is often used.
  • a flat heat pipe has been proposed in which the inside of a flat container is partitioned into multiple cells and the concentration of the working fluid varies from cell to cell so that different heat transport capabilities can be demonstrated depending on the area of the heat pipe. (Patent Document 1).
  • Patent Document 1 In the technique of Patent Document 1, first, a working fluid is injected into a group of cells in communication with each other. Next, the container is tilted to adjust the amount of working fluid for each cell. Finally, the holes connecting the cells are closed.
  • the distribution of the working fluid can be selected only such that the amount of the working fluid is large on the low side when tilted and decreases as it goes higher.
  • the present specification provides a technique capable of freely setting the concentration of a working fluid for each cell.
  • the first manufacturing method will be outlined. First, a container whose internal space is partitioned into a plurality of cells is prepared.
  • the container may be made of copper or aluminum.
  • the container is provided with a communication hole that allows adjacent cells to communicate with each other.
  • an injection hole for injecting a working fluid from the outside is provided. That is, all cells are not initially sealed.
  • the inside of an unsealed cell is deaerated, a working fluid is injected into the cell, and the injected working fluid is vaporized by heating the container. When the working fluid concentration in a particular cell reaches the desired concentration, that particular cell is sealed. The above process is repeated and finally the injection hole is closed.
  • Neither the first method nor the second method needs to provide an injection hole for each cell.
  • Each cell is connected by a communication hole on the side surface, and the communication hole may be closed by applying pressure from the outside. Since it is not necessary to provide a hole in the plane (upper surface and lower surface) of the cell, the surface can be used widely. Furthermore, since the second method does not require a repeating process, it can be produced in a short time.
  • the perspective view of a flat type container It is a figure explaining a 1st manufacturing method (heating and deaeration process). It is a figure explaining the 1st manufacturing method (working fluid injection process). It is a figure explaining a 1st manufacturing method (vaporization process). It is a figure explaining a 1st manufacturing method (sealing process). It is a figure explaining a 1st manufacturing method (another heating and deaeration process). It is a figure explaining a 1st manufacturing method (another sealing process). It is a figure explaining the 1st manufacturing method (completion drawing). It is a figure explaining the 2nd manufacturing method (heating process). It is a figure explaining the 2nd manufacturing method (deaeration and working fluid injection process).
  • FIG. 1 shows a perspective view of a container 10.
  • the container 10 includes a body 4 partitioned into a plurality of cells A to I and an upper plate 2 that covers the body 4.
  • the cells A to I are laid out two-dimensionally. Cells A to I are all the same size.
  • An injection hole 6 is provided on the side surface of the body 4 (side surface of the cell A).
  • a communication hole 8 is provided in the partition wall that separates the cells.
  • the symbol “8” is attached only to the communication hole provided in the cell A, but the symbol is omitted for the communication holes of other cells.
  • the body 4 and the upper plate 2 are made of copper or aluminum.
  • the body 4 is formed by press working.
  • the body 4 and the upper plate 2 are joined to each other by crimping or brazing.
  • the cells are separated from other cells except for the communication holes 8.
  • the completed container 10 has one injection hole 6 on the side surface and a communication hole 8 that connects adjacent cells.
  • an appropriate amount of wigs are put in each cell. In this specification, description and illustration of the wig are omitted.
  • FIG. 2A the container shown in FIG. 1 is manufactured (preparation process). After heating the container 10 to a predetermined temperature, the pump 21 is connected to the injection hole 6 and the inside of the container 10 is deaerated (FIG. 2A, deaeration process). By degassing, the inside of the container 10 is almost evacuated. Next, the working fluid 22 is injected (FIG. 2B, injection step). At this point, the working fluid is a volatile liquid. Water or ammonia is used as the working fluid, but other volatile fluids may be used.
  • FIG. 2C vaporization step
  • the working fluid that was liquid is heated and vaporized by the heat of the container.
  • the process waits until the working fluid concentration required for the cell I is reached.
  • the concentration of the working fluid reaches the concentration required for the cell I
  • all the communication holes 8x leading to the cell I are closed (FIG. 2D, sealing step).
  • the communication hole 8x is closed by being crushed from the outside, for example.
  • a sealed cell I having the desired working fluid concentration is completed.
  • the container 10 is heated again, and the unsealed cells (cell A to cell H) are degassed using the pump 21 (FIG. 2E, second degassing step).
  • the working fluid injection (second injection step) and vaporization (second vaporization step) are repeated, and the process waits until the concentration of the working fluid reaches the concentration required for the cell H.
  • the concentration of the working fluid in the cell H reaches a desired concentration, all the communication holes 8y leading to the cell H are closed (second sealing step).
  • a sealed cell H having a desired working fluid concentration is completed (FIG. 2F). The above process is repeated until all cells are sealed.
  • each cell is heated.
  • each cell is individually heated with a heater (FIG. 3A).
  • the pump 21 is connected to the injection hole 6 to deaerate the inside of the container (deaeration step).
  • the working fluid is injected (FIG. 3B, injection step).
  • the working fluid is vaporized, only the injection hole 6 is blocked and waits for a while. At this time, the communication hole 8 is not closed. Then, the concentration of the working fluid inside the cell changes according to the temperature difference of the cell (FIG. 3C).
  • the concentration of the high temperature cell is higher than the concentration of the low temperature cell.
  • the difference in hatching indicates the difference in density.
  • FIG. 4A is a cross-sectional view taken along the line IV-IV in the upper plan view.
  • FIG. 4C shows a partial area Hd of the cell H and a partial area Id of the cell I being crushed. Some cells other than the cell H and the cell I are also crushed. The area to be crushed differs depending on the cell. By crushing a part of the cell and making the volume of the cell different, the concentration of the working fluid in the cell can be set to a desired concentration.
  • a plurality of cells are two-dimensionally laid out in the container.
  • “a plurality of cells are two-dimensionally laid out” means that cells are arranged in two directions (X-axis direction and Y-axis direction) that define a plane.
  • the container was repeatedly heated every time one cell was sealed.
  • the sealing of the cell may be repeated while continuing to heat the container.
  • the sealing of the cell may be repeated while keeping the container at a predetermined temperature.
  • the communication hole between the cell E and the cell D and the communication hole between the cell D and the cell G may not be provided. This is because the working fluid can be sent to the cell D through the communication hole between the cell A and the cell D, and the working fluid can be sent to the cell G through the communication hole between the cell H and the cell G.
  • the concentration of the working fluid in the cell can be freely set independently of other cells.
  • any of the manufacturing methods described above provides a flat heat pipe in which cells having different working fluid concentrations are two-dimensionally laid out.

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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)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

L'invention porte sur un procédé de fabrication pour un caloduc plat dont l'intérieur est divisé en de multiples cellules, et pour lequel la densité du fluide de travail est peut être établie individuellement pour chaque cellule. Ce procédé comprend une étape dans laquelle un récipient plat est préparé, une étape de remplissage et une étape de scellement hermétique. Dans l'étape de préparation, un récipient plat est préparé, l'intérieur dudit récipient étant divisé en deux dimensions en de multiples cellules, ayant des trous de liaison reliant des cellules adjacentes qui sont réalisés, ledit récipient ayant un trou de remplissage dans le but d'introduire un fluide de travail à partir de l'extérieur du récipient. Dans l'étape de remplissage, le fluide de travail est introduit dans chaque cellule à travers le trou de remplissage et les trous de liaison. Dans l'étape de scellement hermétique, le trou de remplissage et les trous de liaison sont hermétiquement scellés. Dans un procédé, une cellule spécifique est hermétiquement scellée, après quoi les procédé de chauffage, de désaération et de remplissage, de vaporisation et de scellement hermétique sont répétés pour les autres cellules.
PCT/JP2011/068055 2011-08-08 2011-08-08 Caloduc plat et son procédé de fabrication WO2013021449A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012530811A JP5382230B2 (ja) 2011-08-08 2011-08-08 平型ヒートパイプおよびその製造方法
DE112011105509.9T DE112011105509T5 (de) 2011-08-08 2011-08-08 Flaches Wärmerohr und Verfahren zum Herstellen desselben
PCT/JP2011/068055 WO2013021449A1 (fr) 2011-08-08 2011-08-08 Caloduc plat et son procédé de fabrication
US13/583,757 US20130153176A1 (en) 2011-08-08 2011-08-08 Flat type heat pipe and method of manufacturing the same
CN2011800201096A CN103038595A (zh) 2011-08-08 2011-08-08 平板式热管及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/068055 WO2013021449A1 (fr) 2011-08-08 2011-08-08 Caloduc plat et son procédé de fabrication

Publications (1)

Publication Number Publication Date
WO2013021449A1 true WO2013021449A1 (fr) 2013-02-14

Family

ID=47668002

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/068055 WO2013021449A1 (fr) 2011-08-08 2011-08-08 Caloduc plat et son procédé de fabrication

Country Status (5)

Country Link
US (1) US20130153176A1 (fr)
JP (1) JP5382230B2 (fr)
CN (1) CN103038595A (fr)
DE (1) DE112011105509T5 (fr)
WO (1) WO2013021449A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022011552A (ja) * 2020-06-30 2022-01-17 古河電気工業株式会社 熱輸送デバイス

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3015655B1 (fr) * 2013-12-20 2019-05-10 Valeo Systemes Thermiques Procede de remplissage en fluide diphasique d'un dispositif de controle thermique pour module de batterie de vehicule automobile
DE102014014393A1 (de) * 2014-10-02 2016-04-07 E E T Energie-Effizienz Technologie GmbH Wärmetauscher
CN106482560A (zh) * 2015-08-25 2017-03-08 全亿大科技（佛山）有限公司 均热板

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01260293A (ja) * 1988-04-11 1989-10-17 Fujikura Ltd ヒートパイプの作動液注入装置
JPH05126481A (ja) * 1991-11-05 1993-05-21 Furukawa Electric Co Ltd:The ヒートパイプの製造方法
JPH08136172A (ja) * 1994-11-11 1996-05-31 Furukawa Electric Co Ltd:The ヒートパイプの作動液封入量制御方法
JP2001033178A (ja) * 1999-07-21 2001-02-09 Furukawa Electric Co Ltd:The 板型ヒートパイプとその製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101738118B (zh) * 2009-11-03 2012-08-01 赵耀华 具有多层微孔管阵列的三维平板热管及其加工工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01260293A (ja) * 1988-04-11 1989-10-17 Fujikura Ltd ヒートパイプの作動液注入装置
JPH05126481A (ja) * 1991-11-05 1993-05-21 Furukawa Electric Co Ltd:The ヒートパイプの製造方法
JPH08136172A (ja) * 1994-11-11 1996-05-31 Furukawa Electric Co Ltd:The ヒートパイプの作動液封入量制御方法
JP2001033178A (ja) * 1999-07-21 2001-02-09 Furukawa Electric Co Ltd:The 板型ヒートパイプとその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022011552A (ja) * 2020-06-30 2022-01-17 古河電気工業株式会社 熱輸送デバイス

Also Published As

Publication number Publication date
CN103038595A (zh) 2013-04-10
JP5382230B2 (ja) 2014-01-08
JPWO2013021449A1 (ja) 2015-03-05
US20130153176A1 (en) 2013-06-20
DE112011105509T5 (de) 2014-06-12

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