JP6582052B2 - 電子制御装置または車載電子制御装置の製造方法 - Google Patents
電子制御装置または車載電子制御装置の製造方法 Download PDFInfo
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- H—ELECTRICITY
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- 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
- H05K5/0034—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having an overmolded housing covering the PCB
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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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
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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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
- 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
- H05K5/0082—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units specially adapted for transmission control units, e.g. gearbox controllers
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0204—Mounting supporting structures on the outside of casings
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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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- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
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- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
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Description
続いて、図2(c)に示すように、ハウジングケース3とコネクタ部組み12を組み立てる。その際、コネクタ部組み12のピン13をハウジングケース3の対向する貫通孔に挿入し、固定板11をハウジングケース3に突き当てることで、コネクタ部組み12とハウジングケース3の位置決めを行う。
Claims (14)
- 電子部品と、
前記電子部品を実装した制御基板と、
前記制御基板を封止する封止樹脂と、を備え、車室外部またはエンジンルームに設置される電子制御装置において、
前記電子制御装置は、前記制御基板と対向する板状部材を備え、
前記板状部材は、前記板状部材の外周に設けられた立ち上がり部と、前記立ち上がり部の外周縁の一部が内周に向かって切り欠かれた切り欠きを有し、
前記立ち上がり部によって囲まれる内側の空間に前記制御基板が収納され、
前記切り欠きを含む前記立ち上がり部の外周は、前記封止樹脂で覆われ、
前記制御基板を外部機器と電気接続するためのコネクタを更に備え、
前記コネクタは、固定板と、前記固定板に保持された端子と、位置決め用ピンと、を有し、
前記板状部材は、前記位置決め用ピンが挿入可能な貫通孔を有し、
前記位置決め用ピンが前記貫通孔に挿入されることによって前記コネクタが前記板状部材に固定されていることを特徴とする電子制御装置。 - 前記板状部材と前記封止樹脂との密着面の端部において、前記板状部材の表面と前記封止樹脂の表面が同一面にあることを特徴とする請求項1に記載の電子制御装置。
- 前記板状部材は前記電子制御装置を車体に取り付けるための車体固定部を備え、前記車体固定部を除いて、前記封止樹脂は前記板状部材の外周を覆っていることを特徴とする請求項1または2に記載の電子制御装置。
- 前記切り欠きは、前記制御基板を挟んで、前記車体固定部が設けられる側とは反対側に形成されることを特徴とする請求項3に記載の電子制御装置。
- 前記板状部材は放熱フィンを備え、前記放熱フィンが露出することなく前記封止樹脂で覆われていることを特徴とする請求項1から4のいずれか一項に記載の電子制御装置。
- 前記放熱フィンを覆っている封止樹脂と前記板状部材の外周の封止樹脂とが繋がっていることを特徴とする請求項5に記載の電子制御装置。
- 前記板状部材は貫通孔を備え、前記貫通孔を介して前記放熱フィンを覆っている封止樹脂と前記板状部材と前記制御基板との間を充填している封止樹脂とが繋がっていることを特徴とする請求項5または6のいずれか一項記載の電子制御装置。
- 前記板状部材は、前記封止樹脂と密着する箇所の表面が粗化または酸化していることを特徴とする請求項1から7のいずれか一項記載の電子制御装置。
- 前記板状部材は、アルミニウム、またはアルミニウム合金であることを特徴とする請求項1から8のいずれか一項に記載の電子制御装置。
- 前記封止樹脂は、熱硬化性樹脂であることを特徴とする請求項1から9のいずれか一項に記載の電子制御装置。
- 前記封止樹脂の線膨張係数は10〜30×10−6/℃であることを特徴とする請求項1から10のいずれか一項記載の電子制御装置。
- 前記封止樹脂の熱伝導率は0.5〜3W/mKであることを特徴とする請求項1から11のいずれか一項に記載の電子制御装置。
- 放熱フィンおよび貫通孔を備え、外周に立ち上がり部が設けられた板状部材を、前記放熱フィンの各々の先端および側面と金型との間に空間を設けるように前記金型に固定するセット工程と、
前記板状部材と前記板状部材の前記立ち上がり部に囲まれる内周側の空間に固定された制御基板とを樹脂で封止する封止工程と、を備え、
前記封止工程において、前記板状部材の前記立ち上がり部の外周面を前記樹脂で覆い、かつ前記板状部材と前記制御基板との間の前記樹脂を、前記貫通孔を介して前記放熱フィンと前記金型との間へ充填させることを特徴とする車載電子制御装置の製造方法。 - 放熱フィンおよび貫通孔を備え外周に立ち上がり部が設けられた板状部材を、前記放熱フィンの各々の先端および側面と金型との間に空隙を設けるように前記金型に固定するセット工程と、
前記板状部材と前記板状部材の前記立ち上がり部に囲まれる内周側の空間に固定された制御基板とを樹脂で封止する封止工程と、を備え、
前記封止工程において、前記板状部材の前記立ち上がり部の外周面を前記樹脂で覆い、かつ前記空隙を介し、前記放熱フィンと前記金型との間へ前記樹脂を充填させることを特徴とする車載電子制御装置の製造方法。
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JP2015190609 | 2015-09-29 | ||
JP2015190609 | 2015-09-29 | ||
PCT/JP2016/073027 WO2017056722A1 (ja) | 2015-09-29 | 2016-08-05 | 電子制御装置または車載電子制御装置の製造方法 |
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