JP6647439B1 - ヒートシンク - Google Patents
ヒートシンク Download PDFInfo
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- JP6647439B1 JP6647439B1 JP2019079601A JP2019079601A JP6647439B1 JP 6647439 B1 JP6647439 B1 JP 6647439B1 JP 2019079601 A JP2019079601 A JP 2019079601A JP 2019079601 A JP2019079601 A JP 2019079601A JP 6647439 B1 JP6647439 B1 JP 6647439B1
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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
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- 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
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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
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/26—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being integral with the element
- F28F1/28—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being integral with the element the element being built-up from finned sections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
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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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
- F28D2021/0029—Heat sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Geometry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
[1]発熱体と熱的に接続される受熱部を有する熱輸送部材と、該熱輸送部材の放熱部にて接続された、複数の放熱フィンが配置された放熱フィン群と、を備えたヒートシンクであり、
前記熱輸送部材が、前記受熱部から前記放熱部まで連通し、且つ作動流体が封入された一体である内部空間を有し、
前記熱輸送部材の内部空間に、前記受熱部から前記放熱部へ延在したウィック構造体が収納され、
前記熱輸送部材が、前記受熱部と前記放熱部の間に位置する断熱部と前記放熱部との間に、前記熱輸送部材の熱輸送方向に対して平行方向ではない方向に段差が設けられた放熱側段差部を有し、前記放熱部が前記断熱部よりも前記ヒートシンクの設置面側に位置するヒートシンク。
[2]前記発熱体と熱的に接続される前記受熱部を有する熱輸送部材と、該熱輸送部材の放熱部にて接続された管体と、該管体と熱的に接続された、前記複数の放熱フィンが配置された放熱フィン群と、を備えたヒートシンクであり、
前記熱輸送部材が、前記受熱部から前記管体との接続部まで連通し、且つ前記作動流体が封入された一体である内部空間を有し、前記熱輸送部材の内部空間が、前記管体の内部空間と連通し、
前記熱輸送部材の内部空間に、前記受熱部から前記放熱部へ延在した前記ウィック構造体が収納され、
前記熱輸送部材が、前記受熱部と前記放熱部の間に位置する前記断熱部と前記放熱部との間に、前記熱輸送部材の熱輸送方向に対して平行方向ではない方向に段差が設けられた前記放熱側段差部を有し、前記放熱部が前記断熱部よりも前記ヒートシンクの設置面側に位置する[1]に記載のヒートシンク。
[3]前記ウィック構造体が、前記放熱側段差部の段差に追従した第1の段差部を有する[1]または[2]に記載のヒートシンク。
[4]前記熱輸送部材が、前記受熱部と前記断熱部との間に、前記熱輸送部材の熱輸送方向に対して平行方向ではない方向に段差が設けられた受熱側段差部を、さらに有する[1]乃至[3]のいずれか1つに記載のヒートシンク。
[5]前記ウィック構造体が、前記受熱側段差部の段差に追従した第2の段差部を、さらに有する[4]に記載のヒートシンク。
[6]前記第1の段差部における前記ウィック構造体が、前記断熱部及び前記放熱部の位置における前記ウィック構造体よりも、前記熱輸送部材の熱輸送方向に対して直交方向に拡幅されている[3]乃至[5]のいずれか1つに記載のヒートシンク。
[7]前記管体が、前記放熱フィンの配置方向に沿って延在している[2]に記載のヒートシンク。
[8]前記管体の延在方向が、前記熱輸送部材の熱輸送方向と平行ではない[2]に記載のヒートシンク。
[9]前記管体が、複数設けられ、前記熱輸送部材から複数の方向に延在している[2]に記載のヒートシンク。
[10]前記熱輸送部材の少なくとも一面が、平面形状である[1]乃至[9]のいずれか1つに記載のヒートシンク。
10 熱輸送部材
14 ウィック構造体
20 放熱フィン群
31 管体
41 受熱部
42 放熱部
43 断熱部
50 放熱側段差部
Claims (10)
- 発熱体と熱的に接続される受熱部を有する熱輸送部材と、該熱輸送部材の放熱部にて接続された管体と、該管体と熱的に接続された、複数の放熱フィンが配置された放熱フィン群と、を備えたヒートシンクであり、
前記熱輸送部材が、前記受熱部から前記管体との接続部まで連通し、且つ作動流体が封入された一体である内部空間を有し、前記熱輸送部材の内部空間が、前記管体の内部空間と連通し、
前記熱輸送部材の内部空間に、前記受熱部から前記放熱部へ延在したウィック構造体が収納され、
前記熱輸送部材が、前記受熱部と前記放熱部の間に位置する断熱部と前記放熱部との間に、前記熱輸送部材の熱輸送方向に対して平行方向ではない方向に段差が設けられた放熱側段差部を有し、前記放熱部が前記断熱部よりも前記ヒートシンクの設置面側に位置し、
前記管体の内面には、他のウィック構造体が設けられ、前記ウィック構造体と前記他のウィック構造体とが、接続部材を介して接続され、
前記接続部材が毛細管力を有するウィック部材であり、前記熱輸送部材に設けられた前記ウィック構造体の種類と、前記管体に設けられた前記他のウィック構造体の種類と、前記ウィック部材との種類とが異なるヒートシンク。 - 前記ウィック構造体が、前記放熱側段差部の段差に追従した第1の段差部を有する請求項1に記載のヒートシンク。
- 前記熱輸送部材が、前記受熱部と前記断熱部との間に、前記熱輸送部材の熱輸送方向に対して平行方向ではない方向に段差が設けられた受熱側段差部を、さらに有する請求項1または2に記載のヒートシンク。
- 前記ウィック構造体が、前記受熱側段差部の段差に追従した第2の段差部を、さらに有する請求項3に記載のヒートシンク。
- 前記第1の段差部における前記ウィック構造体が、前記断熱部及び前記放熱部の位置における前記ウィック構造体よりも、前記熱輸送部材の熱輸送方向に対して直交方向に拡幅されている請求項2に記載のヒートシンク。
- 前記管体が、前記放熱フィンの配置方向に沿って延在している請求項1乃至5のいずれか1項に記載のヒートシンク。
- 前記管体の延在方向が、前記熱輸送部材の熱輸送方向と平行ではない請求項1乃至6のいずれか1項に記載のヒートシンク。
- 前記管体が、複数設けられ、前記熱輸送部材から複数の方向に延在している請求項1乃至7のいずれか1項に記載のヒートシンク。
- 前記熱輸送部材の少なくとも一面が、平面形状である請求項1乃至8のいずれか1項に記載のヒートシンク。
- 前記管体に設けられた前記他のウィック構造体が、前記管体の内面に形成されている複数の細溝である請求項1乃至9のいずれか1項に記載のヒートシンク。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019079601A JP6647439B1 (ja) | 2019-04-18 | 2019-04-18 | ヒートシンク |
EP20775155.3A EP3761354A4 (en) | 2019-04-18 | 2020-04-07 | HEATSINK |
PCT/JP2020/015594 WO2020213463A1 (ja) | 2019-04-18 | 2020-04-07 | ヒートシンク |
CN202010306128.6A CN111836517B (zh) | 2019-04-18 | 2020-04-17 | 散热器 |
CN202020583482.9U CN212876431U (zh) | 2019-04-18 | 2020-04-17 | 散热器 |
TW109112974A TWI752468B (zh) | 2019-04-18 | 2020-04-17 | 散熱裝置 |
US17/010,574 US11085703B2 (en) | 2019-04-18 | 2020-09-02 | Heatsink |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019079601A JP6647439B1 (ja) | 2019-04-18 | 2019-04-18 | ヒートシンク |
Publications (2)
Publication Number | Publication Date |
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JP6647439B1 true JP6647439B1 (ja) | 2020-02-14 |
JP2020176773A JP2020176773A (ja) | 2020-10-29 |
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JP2019079601A Active JP6647439B1 (ja) | 2019-04-18 | 2019-04-18 | ヒートシンク |
Country Status (6)
Country | Link |
---|---|
US (1) | US11085703B2 (ja) |
EP (1) | EP3761354A4 (ja) |
JP (1) | JP6647439B1 (ja) |
CN (2) | CN111836517B (ja) |
TW (1) | TWI752468B (ja) |
WO (1) | WO2020213463A1 (ja) |
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JP2021190479A (ja) * | 2020-05-26 | 2021-12-13 | 富士通株式会社 | 冷却装置 |
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JP6302116B1 (ja) * | 2017-04-12 | 2018-03-28 | 古河電気工業株式会社 | ヒートパイプ |
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JP6560428B1 (ja) * | 2018-11-30 | 2019-08-14 | 古河電気工業株式会社 | ヒートシンク |
JP6582114B1 (ja) * | 2018-11-30 | 2019-09-25 | 古河電気工業株式会社 | ヒートシンク |
JP6782326B2 (ja) * | 2019-04-17 | 2020-11-11 | 古河電気工業株式会社 | ヒートシンク |
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2019
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- 2020-04-07 EP EP20775155.3A patent/EP3761354A4/en not_active Withdrawn
- 2020-04-17 CN CN202010306128.6A patent/CN111836517B/zh active Active
- 2020-04-17 TW TW109112974A patent/TWI752468B/zh active
- 2020-04-17 CN CN202020583482.9U patent/CN212876431U/zh active Active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2021139513A (ja) * | 2020-03-02 | 2021-09-16 | 古河電気工業株式会社 | 熱輸送装置および熱交換ユニット |
JP7433982B2 (ja) | 2020-03-02 | 2024-02-20 | 古河電気工業株式会社 | 熱輸送装置および熱交換ユニット |
JP2021190479A (ja) * | 2020-05-26 | 2021-12-13 | 富士通株式会社 | 冷却装置 |
JP7452253B2 (ja) | 2020-05-26 | 2024-03-19 | 富士通株式会社 | 冷却装置 |
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CN212876431U (zh) | 2021-04-02 |
US11085703B2 (en) | 2021-08-10 |
WO2020213463A1 (ja) | 2020-10-22 |
TWI752468B (zh) | 2022-01-11 |
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TW202040082A (zh) | 2020-11-01 |
JP2020176773A (ja) | 2020-10-29 |
US20200400379A1 (en) | 2020-12-24 |
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