JP6470004B2 - 車載制御装置 - Google Patents
車載制御装置 Download PDFInfo
- Publication number
- JP6470004B2 JP6470004B2 JP2014197750A JP2014197750A JP6470004B2 JP 6470004 B2 JP6470004 B2 JP 6470004B2 JP 2014197750 A JP2014197750 A JP 2014197750A JP 2014197750 A JP2014197750 A JP 2014197750A JP 6470004 B2 JP6470004 B2 JP 6470004B2
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- coating film
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
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- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Classifications
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
- H05K1/0206—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate by printed thermal vias
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0069—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having connector relating features for connecting the connector pins with the PCB or for mounting the connector body 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0073—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having specific features for mounting the housing on an external structure
-
- 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
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
- H05K7/20481—Sheet interfaces characterised by the material composition exhibiting specific thermal properties
-
- 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
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20854—Heat transfer by conduction from internal heat source to heat radiating structure
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Paints Or Removers (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Laminated Bodies (AREA)
Description
熱放射性コーティング膜を形成する二層塗布タイプの熱放射材料は、基材と接する第一の層を形成する高熱伝導材料と、第一の層上にコーティングされる第二の層を形成する高熱放射材料の二種類から構成されることを特徴とする。
本実施形態の熱放射性コーティング膜を形成する1液タイプの熱放射材料は、熱硬化性樹脂若しくは熱可塑性樹脂をバインダーとし、バインダー樹脂よりも高熱伝導率を有する粒子と高熱放射率を有する粒子の二種類以上の粒子を含むことを特徴とする。
(バインダー樹脂)
・コータックスLH-404:東レ・ファインケミカル株式会社製
(セラミックス粒子)
・S42XHS:住友スリーエム株式会社製、中空シリカ、真密度0.42g/cm3
・SIO07PB:株式会社高純度化学研究所製、二酸化珪素、粒径0.8μm
・WZ-501:株式会社アムテック製、酸化亜鉛単結晶パナテトラ、平均繊維長10μm
試料作製は、粒子、樹脂及び溶剤を加えて粘度を調節した後に、ハイブリッドミキサーを用いて混合した。
熱伝導率測定方法は、調整した材料を200μmで成膜化し、温度波数分析法を用いて熱拡散率を求め、熱拡散率と比重と比熱の積で求めた。
放射率測定方法は、調合した材料を大きさ100mm×100mm、厚さ1mmのアルミニウム板にアプリコーターを用いて30μm前後で塗布した後、硬化したサンプルを京都電子工業製D and S AERDを用いて、室温下で放射率を測定した。
面状発熱体ポリイミドヒーターFL−HEATNo.6(シンワ測定株式会社)をアルミ板(50mm×80mm、t:2mm)で挟む。アルミ板の表面に熱電対をアルミ板用はんだで接着する。アルミ板表面に調合した試料を塗布し、60℃、30分で加熱乾燥させ、膜厚が30μmになるように塗布した。試料を25℃に設定した恒温槽中央に静置し、ヒーターに6Wを印加し、アルミ板表面の温度変化を測定した。ヒーターは一定の熱量を発生しているので、熱放射材料の放熱効果が高いほど、ヒーターの温度もしくはアルミ板表面温度は低下する。すなわち、ヒーターの温度もしくはアルミ板表面温度が低くなるほど放熱効果が高いといえる。
溶剤として酢酸ブチル30wt%を混合し、粘度を調整したコータックスLH-404をアルミ板にハケ塗布でコーティングし、60℃、30分で加熱乾燥させ、膜厚が30μmになるようにコーティング膜を形成した。
コータックスLH-404:95vol%、二酸化珪素:5vol%と、溶剤として酢酸ブチル:上記2成分の合計100wt%に対して30wt%を容器に入れ、ハイブレッドミキサーを用いて混合し、1液タイプの熱放射材料を作製した。この熱放射材料をアルミ板にハケ塗布でコーティングし、60℃、30分で加熱乾燥させ、膜厚が30μmになるように熱放射性コーティング膜を形成した。
10 筐体
11 電子部品
12 回路基板
13 ベース
14 カバー
15 コネクタ
15a ピン端子
15b ハウジング
15c 通し孔
19 サーマルビア
20 高熱伝導層
31 第一の熱放射性コーティング層
32 第二の熱放射性コーティング層
33 第三の熱放射性コーティング層
34 第四の熱放射性コーティング層
Claims (6)
- 熱放射性コーティング膜を備えた車載制御装置において、
前記熱放射性コーティング膜が、
基材と接する第一の界面を有する第一の領域と、前記熱放射性コーティング膜が空気と接する第二の界面を有する第二の領域を備え、
前記第一の領域の熱伝導率が前記第二の領域の熱伝導率よりも高く、
前記第二の領域の熱放射率が前記第一の領域の熱放射率よりも高く、
前記熱放射性コーティング膜が有機樹脂と、有機樹脂よりも高熱放射率の粒子と、有機樹脂よりも高熱伝導率の粒子と、を備え、
前記第一の領域には主に高熱伝導率の粒子が分散しており、前記第二の領域には高熱放射率の粒子が分散しており、
前記高熱放射率の粒子の密度が、前記有機樹脂の密度よりも小さいことを特徴とする車載制御装置。 - 請求項1に記載の車載制御装置において、
前記高熱放射率の粒子が前記第一の領域よりも前記第二の領域に多く存在していることを特徴とする車載制御装置。 - 請求項1に記載の車載制御装置において、
前記熱放射性コーティング膜の熱放射面が前記高熱放射率の粒子の形状に起因した凹凸を有していることを特徴とする車載制御装置。 - 請求項1に記載の車載制御装置において、
前記高熱放射率の粒子が中空または多孔質であることを特徴とする車載制御装置。 - 請求項1乃至4のいずれか1項に記載の車載制御装置において、
電子部品が実装された回路基板と、該回路基板が固定されるベースと、前記回路基板を覆うように前記ベースに組み付けられるカバーと、を備え
前記回路基板の少なくとも片面に第一の熱放射性コーティング膜が形成されるとともに、第一の熱放射性コーティング膜に対向した前記ベース及び/又はカバーの内面側に第二の熱放射性コーティング膜が形成されていることを特徴とする車載制御装置。 - 熱放射性コーティング膜を備えた車載制御装置において、
前記熱放射性コーティング膜が複数の層から構成されており、少なくとも、基材と接する第一の層と、前記熱放射性コーティング膜の表層を構成する第二の層とを備え、
前記第一の層は前記第二の層よりも熱伝導率が高く、
前記第二の層は前記第一の層よりも熱放射率が高く、
前記熱放射性コーティング膜が有機樹脂と、有機樹脂よりも高熱放射率の粒子と、有機樹脂よりも高熱伝導率の粒子と、を備え、
前記第一の層には主に高熱伝導率の粒子が分散しており、前記第二の層には高熱放射率の粒子が分散しており、
前記高熱放射率の粒子の密度が、前記有機樹脂の密度よりも小さいことを特徴とする車載制御装置。
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CN201580047895.7A CN106687336B (zh) | 2014-09-29 | 2015-08-21 | 车载控制装置 |
PCT/JP2015/073450 WO2016051991A1 (ja) | 2014-09-29 | 2015-08-21 | 車載制御装置 |
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US10816883B2 (en) * | 2016-11-29 | 2020-10-27 | Panasonici Intellectual Property Management Co., Ltd. | Light source system and projection display apparatus |
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CN110808443A (zh) * | 2019-10-29 | 2020-02-18 | 华为技术有限公司 | 一种车载天线模块和车载通信终端 |
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