WO2017056727A1 - 電子制御装置 - Google Patents
電子制御装置 Download PDFInfo
- Publication number
- WO2017056727A1 WO2017056727A1 PCT/JP2016/073032 JP2016073032W WO2017056727A1 WO 2017056727 A1 WO2017056727 A1 WO 2017056727A1 JP 2016073032 W JP2016073032 W JP 2016073032W WO 2017056727 A1 WO2017056727 A1 WO 2017056727A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing resin
- electronic
- control device
- control board
- metal member
- Prior art date
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Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
-
- 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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
-
- 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
-
- 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
- H05K5/0034—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
-
- 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
- H05K5/06—Hermetically-sealed casings
- H05K5/065—Hermetically-sealed casings sealed by encapsulation, e.g. waterproof resin forming an integral casing, injection moulding
-
- 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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- 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
-
- 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
- H05K7/20845—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
-
- 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
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0084—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10075—Non-printed oscillator
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10371—Shields or metal cases
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10507—Involving several components
- H05K2201/10522—Adjacent components
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
- H05K2203/1305—Moulding and encapsulation
- H05K2203/1316—Moulded encapsulation of mounted components
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
- H05K2203/1305—Moulding and encapsulation
- H05K2203/1327—Moulding over PCB locally or completely
Definitions
- the present invention relates to an electronic control device such as an engine control unit and an automatic transmission control unit used for automobiles, and more particularly to a housing structure of the electronic control device.
- the engine control device is mounted at a position closer to the engine, and there is a concern about the influence of high engine heat and high vibration on the engine control device. Therefore, it is necessary to improve the heat resistance and vibration resistance of the electronic control device.
- a structure in which a control board on which electronic components are mounted is resin-sealed is known (see Patent Document 1).
- the electric / electronic module described in Patent Document 1 includes an electronic circuit board on which an electronic circuit is mounted, and a metal base for mounting the electronic circuit board, and the electronic circuit board is sealed with a resin.
- the shielding performance against electromagnetic noise may be reduced when compared with a metal cover.
- electromagnetic noise for example, there is a concern that the electronic control device may malfunction due to the influence of noise generated from in-vehicle components such as an engine and a motor or from a radio frequency using device outside the vehicle such as a car radio.
- the electronic control device may become a noise source and may cause malfunction of in-vehicle receiving devices such as a television receiver, GPS, and Bluetooth (registered trademark).
- an electronic control device of the present invention includes an electronic component, a control board on which the electronic component is mounted, a sealing resin that seals at least a part of the control board, and the sealing resin.
- FIG. 1 is a cross-sectional view showing a control device of the first embodiment.
- FIG. 2 shows the configuration and assembly procedure of the control device shown in FIG.
- the electronic control device 30 of the present invention includes a control board 2 on which an electronic component 1 such as a microcomputer is mounted, a housing case 3, a connector 4, and a sealing resin 5. .
- the housing case 3 includes a heat sink 7 having heat radiating fins 6 for radiating heat of electronic components to the outside of the electronic control device 30, an electromagnetic shield portion 8 for shielding electromagnetic noise, and an electronic device.
- a vehicle fixing portion 9 for fixing the control device to the vehicle is integrally formed, and the material is preferably a metal member having high thermal conductivity, shielding properties, and rigidity, and is mass-productive, lightweight, and heat dissipation. From the viewpoint of cost, aluminum or an aluminum alloy is preferable.
- the heat radiated from the electronic component 1 toward the housing case 3 such as the heat sink 7 is radiated to the vehicle body via the vehicle fixing portion 9 because the vehicle fixing portion 9 is integrally formed with the housing case 3. You can also.
- the connector 4 includes a terminal 10 for connecting the vehicle-side harness and the control board 2, and a fixing plate 11 for aligning and holding the terminal 10 at a predetermined pitch.
- the connector assembly 12 is manufactured.
- the fixing plate 11 has pins 13 for facilitating easy insertion and positioning into the housing case 3 to be described later, and the number of pins 13 is preferably 2 or more.
- the material of the terminal 10 is preferably copper or a copper alloy from the viewpoint of conductivity, miniaturization, and cost.
- the material of the fixing plate 11 is preferably a PBT (Polybutylene Terephthalate) resin, a PA (Polyamide) 66 resin, or a PPS (Polyphenylene Sulfide) resin because it is lightweight and has excellent heat resistance.
- PBT Polybutylene Terephthalate
- PA Polyamide
- PPS Polyphenylene Sulfide
- the housing case 3 and the connector assembly 12 are assembled.
- the pins 13 of the connector part set 12 are inserted into the opposing through holes of the housing case 3, and the fixing plate 11 is abutted against the housing case 3, thereby positioning the connector part set 12 and the housing case 3.
- the control board 2 on which the electronic component 1 such as a microcomputer is mounted is assembled to the die-cast case 3 as shown in FIGS. 2 (e) and 2 (f).
- an electronic component that is easily affected by external electromagnetic noise and an electronic component that is likely to generate electromagnetic noise, such as a microcomputer or a crystal resonator, are mounted on the surface of the control board 2 facing the housing case 3. .
- electromagnetic shielding properties are improved.
- the control board 2 uses a resin wiring board based on glass epoxy resin or the like.
- Sn—Cu solder, Sn—Ag—Cu solder, Sn—Ag—Cu— The connection was made using lead-free solder such as Bi solder.
- the terminal 10 of the connector assembly 12 and the control board 2 are connected by connecting the through-hole part 17 of the control board 2 in which the terminal 10 is inserted with Sn—Cu solder, Sn—Ag—Cu solder, Sn—Ag—Cu—.
- the connection was made using lead-free solder such as Bi solder.
- the connector 4 type may be a surface mount type or a press fit type.
- the housing base 3 has higher rigidity and the board receiving surface is flat. Then, the warping of the control board 2 is returned, and a peeling stress is generated at the joint portion between the terminal 10 and the through hole portion 17.
- the fixing method of the connector part assembly 12 is as follows. First, the connector part assembly 12 is fixed to the housing case 3 and then the terminal 10 of the connector part assembly 12 is connected. The through hole portion 17 of the control board 2 may be joined. By additionally implementing this method, it is possible to further suppress the warpage of the connector part assembly 12 and the control board 2 and to suppress the generation of stress at the terminal 10 and the through-hole part 17 joint.
- the sub-assembly 20 thus manufactured is set in a mold for resin sealing as shown in FIG. 2 (g).
- the sub-assy is set on the upper mold 18 that is movable, the upper mold is moved, and is set on the lower mold 19 that is fixed.
- the fin portion 6 of the housing cover 3 and the vehicle fixing portion 9 that are desired to be exposed from the resin 5 after resin sealing are configured to be pressed by a mold in order to prevent the resin from flowing during resin molding.
- the sealing resin 5 may be a thermosetting epoxy resin, an unsaturated polyester resin, or a thermoplastic resin.
- the sealing method is transfer molding, compression molding, injection molding, hot melt, and the physical properties of the sealing resin 5 are a linear expansion coefficient of 10 to 30 ⁇ 10 ⁇ 6 / ° C. and a thermal conductivity of 0.5 to It is good that it is 3 W / mK.
- the sealing resin 5 is cured in the mold, and after curing, the mold is opened, the resin molded product is taken out, and the electronic control device 30 shown in FIG. 2 (h) is completed. .
- the rising portion 22 on the outer periphery of the housing case excluding the vehicle fixing portion 9 is covered with the sealing resin 5.
- the contact area between the housing case 3 and the sealing resin 5 increases, so that the waterproof / salt-proof water reliability can be improved, and further, the expansion / shrinkage of the housing case 3 can be reduced, so that the waterproof / salt-proof water reliability can be improved.
- Connection reliability can be improved.
- the surface of the housing case 3 and the surface of the sealing resin 5 are preferably in the same plane. Thereby, accumulation of water, salt water, and foreign matters in the close contact end portion 23 can be suppressed.
- the housing 21 of the connector 4 is also integrally formed with the sealing resin 5.
- the connector housing is not required as a separate part, and therefore cost reduction and productivity improvement are expected by reducing the number of parts.
- Example 2 The mode of Example 2 will be described in comparison with Example 1.
- the electromagnetic shield portion 8 is configured to cover the entire side surface of the control board 2, but in the second embodiment, in addition to covering the entire side surface of the control board 2, as shown in FIG.
- the outer periphery of the electronic component 1 is surrounded by a frame body 14 extending from the housing case 3 toward the control board 2.
- the electromagnetic shield property can be further improved by covering the outer periphery of the control board 2 and the outer periphery of the electronic component 1 in a double manner.
- Example 3 The mode of Example 3 will be described in comparison with Example 1.
- the electromagnetic shield part 8 is configured to cover the entire circumference of the side surface of the control board 2.
- the electromagnetic shield part 8 covered the control board 2, and the other two side surfaces covered the electronic component 1 in a region smaller than the width of the control board 2 as shown in FIG.
- the present embodiment is effective when it is determined that it is not necessary to cover the entire circumference of the side surface of the control board 2 with the housing case 3 after considering the required electromagnetic shielding properties, so that the electromagnetic shielding performance remains unchanged.
- the material cost can be reduced by reducing the capacity of the housing case 3.
- Example 4 The mode of Example 4 will be described in comparison with Example 1.
- the electromagnetic shield 8 covers the entire circumference of the side surface of the control board 2, but in the fourth embodiment, as shown in FIG. 5, the electronic component 1 is formed in a region smaller than the width of the control board 2.
- the outer periphery is surrounded by a frame 14 extending from the housing case 3 toward the control board 2.
- the present embodiment is effective when it is determined that it is not necessary to cover the entire circumference of the side surface of the control board 2 with the housing case 3 after considering the required electromagnetic shielding properties, so that the electromagnetic shielding performance remains unchanged.
- the material cost can be reduced by reducing the capacity of the housing case 3.
- Example 5 The form of Example 5 will be described in comparison with Example 1.
- the housing case 3 is integrally formed with the heat sink 7 having the radiation fins 6, the electromagnetic shield part 8 for shielding electromagnetic noise, and the vehicle fixing part 9 for fixing the electronic control device to the vehicle.
- the heat sink 7 and the vehicle fixing portion 9 are integrally formed as shown in FIG. Even if the entire side surface of the control board 2 is not covered with the housing case 3, it is determined that the required electromagnetic shielding performance can be satisfied by the electronic component 1 being surrounded by the wiring layer of the housing case 3 and the control board 2 from above and below. In this case, the present embodiment is effective, and the material cost can be reduced by reducing the capacity of the housing case 3 while maintaining the electromagnetic shielding performance.
- Example 6 The form of Example 6 will be described in comparison with Example 1.
- the housing case 3 is integrally formed with the heat sink 7 having the radiation fins 6, the electromagnetic shield part 8 for shielding electromagnetic noise, and the vehicle fixing part 9 for fixing the electronic control device to the vehicle.
- the electromagnetic shield part 8 and the vehicle fixing part 9 are integrally formed.
- the heat radiated from the electronic component 1 toward the housing case 3 such as the electromagnetic shield portion 8 is radiated to the vehicle body via the vehicle fixing portion 9 because the vehicle fixing portion 9 is integrally formed with the housing case 3. You can also.
- the present embodiment is effective when it is determined that the heat radiation performance can be satisfied without the heat radiation fins 6, and the material cost can be reduced by reducing the capacity of the housing case 3.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
2 制御基板
3 ハウジングケース
4 コネクタ
5 封止樹脂
5a 放熱フィンを覆う封止樹脂
5b ハウジングケース外周の立ち上がり部を覆う封止樹脂
6 放熱フィン
7 ヒートシンク
8 電磁シールド部
9 車両固定部
10 端子
11 固定板
12 コネクタ部組み
13 ピン
14 枠体
17 スルーホール部
18 上型
19 下型
20 サブアッシー
21 コネクタのハウジング
22 ハウジングケース外周の立ち上がり部
23 ハウジングケースと封止樹脂の密着端部
24 貫通孔
25 金型
30 電子制御装置
Claims (13)
- 電子部品と、
前記電子部品を実装した制御基板と、
前記制御基板の少なくとも一部を封止する封止樹脂と、
前記封止樹脂によって封止される金属部材と、を備え、
前記金属部材は、一部が前記封止樹脂より露出して前記封止樹脂内部の熱を放熱するヒートシンク部と、
前記電子部品をシールドするシールド部と、
一部が前記封止樹脂より露出して車体へ固定するための固定部と、を備えることを特徴とする電子制御装置。 - 前記シールド部は、前記電子部品と外部空間との間で放射される電磁ノイズをシールドする電磁シールド部であることを特徴とする請求項1記載の電子制御装置。
- 前記金属部材は、前記ヒートシンク部の外周に前記電磁シールド部を形成し、
前記電磁シールド部の外周に前記固定部を形成することを特徴とする請求項2に記載の電子制御装置。 - 前記ヒートシンク部は放熱フィンを有し、前記放熱フィンは前記封止樹脂から露出していることを特徴とする請求項2または3いずれか一項に記載の電子制御装置。
- 前記金属部材は、前記ヒートシンク部の外周に立ち上がり部を有し、外形が凹型となることで前記電磁シールド部を形成することを特徴とする請求項2から4いずれか一項に記載の電子制御装置。
- 前記凹型部に前記制御基板が収納され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。
- 前記電子部品は、前記制御基板の前記金属部材に対向する面に実装されていることを特徴とする請求項1から6いずれか一項記載の電子制御装置。
- 前記電子部品のうち、少なくともマイクロコンピュータ、水晶振動子が、前記制御基板の前記金属部材に対向する面に実装されていることを特徴とする請求項7に記載の電子制御装置。
- 前記制御基板の前記ハウジングケースに対向する面に実装されている前記電子部品の外周に前記ハウジングケースから突出した枠体が形成されていることを特徴とする請求項7または8いずれか一項に記載の電子制御装置。
- 前記金属部材の材料は、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9いずれか一項に記載の電子制御装置。
- 電子部品と、
前記電子部品を実装した制御基板と、
前記制御基板の少なくとも一部を封止する封止樹脂と、
前記封止樹脂によって封止される金属部材と、を備え、
前記金属部材は、一部が前記封止樹脂より露出して前記封止樹脂内部の熱を放熱するヒートシンク部と、
一部が前記封止樹脂より露出して車体へ固定するための固定部と、を備え、
前記ヒートシンク部と前記固定部とが一体に成型され、
前記電子部品は、前記制御基板の前記金属部材に対向する面に実装されていることを特徴とする電子制御装置。 - 電子部品と、
前記電子部品を実装した制御基板と、
前記制御基板の少なくとも一部を封止する封止樹脂と、
前記封止樹脂によって封止される金属部材と、を備え、
前記金属部材は、前記電子部品と外部空間との間で放射される電磁ノイズをシールドする電磁シールド部と、
一部が前記封止樹脂より露出して車体へ固定するための固定部と、を備え、
前記電磁シールド部と前記固定部とが一体に成型され、
前記電子部品は、前記制御基板の前記金属部材に対向する面に実装されていることを特徴とする電子制御装置。 - 前記制御基板は、少なくとも一層に、または前記電子部品が設けられた領域にベタパターンを備えることを特徴とする請求項7、11、12いずれか一項記載の電子制御装置。
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JP2017542990A JPWO2017056727A1 (ja) | 2015-09-29 | 2016-08-05 | 電子制御装置 |
US15/747,569 US20180220539A1 (en) | 2015-09-29 | 2016-08-05 | Electronic Control Device |
CN201680053998.9A CN108029228A (zh) | 2015-09-29 | 2016-08-05 | 电子控制装置 |
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WO2020241474A1 (ja) * | 2019-05-31 | 2020-12-03 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
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US20180220539A1 (en) | 2018-08-02 |
JPWO2017056727A1 (ja) | 2018-02-22 |
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