JP2019186526A - 冷却装置 - Google Patents
冷却装置 Download PDFInfo
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- JP2019186526A JP2019186526A JP2018248653A JP2018248653A JP2019186526A JP 2019186526 A JP2019186526 A JP 2019186526A JP 2018248653 A JP2018248653 A JP 2018248653A JP 2018248653 A JP2018248653 A JP 2018248653A JP 2019186526 A JP2019186526 A JP 2019186526A
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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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
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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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
- F28D1/0308—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
- F28D1/0325—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
-
- 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
-
- 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
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- 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
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- 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
-
- 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
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
-
- 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
-
- 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
- F28F1/126—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 consisting of zig-zag shaped fins
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
(1.冷却装置の構成)
本発明の例示的な一実施形態の冷却装置について説明する。図1、図2は本発明の実施形態に係る冷却装置1の斜視図及び上面図である。また、図3は図2中のA−A線断面斜視図であり、図4は図2中のB−B線断面図である。
コールドプレート10の底壁部12の下面にCPU等の冷却されるべき発熱部品を接触させてポンプ30を駆動する。これにより、第1冷媒流路11、第1タンク41、第2冷媒流路22及び第2タンク42の順で冷媒が循環する。発熱部品の発熱はコールドプレート10の底壁部12に伝達される。底壁部12に伝達された熱は上壁部13を介してフィン21に伝達されるとともに、第1冷媒流路11及び第2冷媒流路22を流通する冷媒を介してフィン21に伝達される。これにより、フィン21を介して放熱が行われ、発熱部品の温度上昇を抑制することができる。
次に、本発明の第2実施形態について説明する。図8は第2実施形態の冷却装置1の上面図である。説明の便宜上、前述の図1〜図7に示す第1実施形態と同様の部分には同一の符号を付す。第2実施形態ではポンプ30がコールドプレート10上に配置される。
次に、本発明の第3実施形態について説明する。図9、図10は第3実施形態に係る冷却装置1の上面斜視図及び底面斜視図である。図11は冷却装置1の吐出口31bを拡大して示す縦断面図である。説明の便宜上、前述の図1〜図7に示す第1実施形態と同様の部分には同一の符号を付す。第3実施形態では吐出口31bの形状が異なる。
比較例1に係るパイプ23は長径L1がコールドプレート10の上面に対して傾斜していない(表1において傾斜角度を0度とする)。
比較例2に係るパイプ23は長径L1がコールドプレート10の上面に対して実施例1とは反対側に10度傾斜する(表1において傾斜角度を−10度とする)。
実施例1及び比較例1、2に係る第1実施形態に係る冷却装置1を用意し、熱抵抗率R(K/W)を測定した結果を表1に示す。冷却風をパイプ23の延びる方向と直交する方向(短手方向Y)に送風した。
表1に示すように、パイプ23の長径L1をコールドプレート10の上面に対して10度傾斜したとき、熱抵抗率Rが最も低く、冷却装置1の冷却性能が高くなることが確認された。
上記実施形態は、本発明の例示にすぎない。実施形態の構成は、本発明の技術的思想を超えない範囲で適宜変更されてもよい。また、実施形態は、可能な範囲で組み合わせて実施されてよい。
Claims (15)
- 発熱部品と下面が接触するとともに内部に冷媒が流通する第1冷媒流路を有するコールドプレートと、
冷却用のフィンと、前記第1冷媒流路と連通する第2冷媒流路を形成する複数のパイプと、を有するラジエータと、
前記冷媒を循環させるポンプと、
複数の前記パイプの一端と連結する第1タンクと、
複数の前記パイプの他端と前記ポンプとを連結する第2タンクと、を備え、
前記ラジエータは、前記コールドプレート上に配置され、
前記ポンプは、前記第2タンクと隣接して配置される、冷却装置。 - 前記コールドプレートは、上面視において側面が屈曲して形成される切欠部を有し、
前記ポンプの少なくとも一部は、前記切欠部に配置されて前記コールドプレートの側面と対向する、請求項1に記載の冷却装置。 - 前記ポンプは、前記コールドプレート上に配置される、請求項1に記載の冷却装置。
- 前記ポンプは、
前記第2冷媒流路の冷媒流通方向に延びる中心軸を中心に回転する羽根車と、
前記羽根車を収納する筐体と、
前記筺体の側面から外方に突出して前記第1冷媒流路と連通する吐出口と、を有し、 前記吐出口は、前記筺体から外方に向かって延びる外向部と、前記外向部の先端から下方に向かって延びる下向部と、を有する、請求項1〜請求項3のいずれかに記載の冷却装置。 - 前記吐出口を有する吐出部が、前記筐体と別部材である、請求項4に記載の冷却装置。
- 前記吐出口は、前記外向部の先端から前記下向部の上端よりも外方に延びる延設部を有する、請求項4又は請求項5に記載の冷却装置。
- 前記吐出口は、前記下向部の上端から前記外向部の先端よりも上方に延びる延設部を有する、請求項4又は請求項5に記載の冷却装置。
- 前記第1タンク及び前記第2タンクは、前記コールドプレート上に配置される、請求項1〜請求項7のいずれかに記載の冷却装置。
- 前記パイプは、直線状に延び、
前記第1タンク及び前記第2タンクが、前記パイプの延びる方向に対向して配置される、請求項1〜請求項8のいずれかに記載の冷却装置。 - 前記第1タンク及び前記第2タンクは、前記複数のフィンの配列方向に対して平行に配置される、請求項1〜請求項9のいずれかに記載の冷却装置。
- 前記パイプは、前記第1タンク及び第2タンクに直接連結される、請求項1〜請求項10のいずれかに記載の冷却装置。
- 前記パイプは、並列に複数接続される、請求項1〜請求項11のいずれかに記載の冷却装置。
- 前記ポンプの下端は、前記コールドプレートの下面よりも上方に配置される、請求項1〜請求項12のいずれかに記載の冷却装置。
- 前記パイプは、断面が扁平に形成され、
前記パイプの断面における長径の一端と前記コールドプレート上面との距離が、前記長径の他端と前記コールドプレート上面との距離と異なる、請求項1〜請求項13のいずれかに記載の冷却装置。 - 前記パイプの長径が、前記コールドプレートの上面に対して5度以上15度以下傾斜している、請求項14に記載の冷却装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920307886.2U CN209949735U (zh) | 2018-03-30 | 2019-03-11 | 冷却装置 |
US16/297,770 US11252837B2 (en) | 2018-03-30 | 2019-03-11 | Cooling apparatus |
JP2023031711A JP7485126B2 (ja) | 2018-03-30 | 2023-03-02 | 冷却装置 |
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JP2018067978 | 2018-03-30 | ||
JP2018067978 | 2018-03-30 |
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JP2023031711A Division JP7485126B2 (ja) | 2018-03-30 | 2023-03-02 | 冷却装置 |
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JP2019186526A true JP2019186526A (ja) | 2019-10-24 |
JP7238401B2 JP7238401B2 (ja) | 2023-03-14 |
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JP2018248653A Active JP7238401B2 (ja) | 2018-03-30 | 2018-12-28 | 冷却装置 |
JP2023031711A Active JP7485126B2 (ja) | 2018-03-30 | 2023-03-02 | 冷却装置 |
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JP (2) | JP7238401B2 (ja) |
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Cited By (1)
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TWI731483B (zh) * | 2019-11-26 | 2021-06-21 | 大陸商深圳市研派科技有限公司 | 具有複合式流道的液冷裝置 |
Families Citing this family (4)
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JP7238401B2 (ja) * | 2018-03-30 | 2023-03-14 | 日本電産株式会社 | 冷却装置 |
JP2020109781A (ja) * | 2018-12-28 | 2020-07-16 | 日本電産株式会社 | 冷却装置 |
TWI758781B (zh) * | 2020-07-14 | 2022-03-21 | 大陸商深圳昂湃技術有限公司 | 可供多熱源散熱的液冷散熱裝置 |
CN112054444A (zh) * | 2020-09-08 | 2020-12-08 | 郭金荣 | 新能源太阳板电池的电力转换排线结构及使用方法 |
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