WO2014109032A1 - 電子機器 - Google Patents
電子機器 Download PDFInfo
- Publication number
- WO2014109032A1 WO2014109032A1 PCT/JP2013/050310 JP2013050310W WO2014109032A1 WO 2014109032 A1 WO2014109032 A1 WO 2014109032A1 JP 2013050310 W JP2013050310 W JP 2013050310W WO 2014109032 A1 WO2014109032 A1 WO 2014109032A1
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- WO
- WIPO (PCT)
- Prior art keywords
- case member
- substrate
- connector
- case
- shield
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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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
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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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/005—Casings being nesting containers
-
- 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
- H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
-
- 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
- H05K5/03—Covers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/082—Constructional details, e.g. cabinet to be used in vehicles
Definitions
- This invention relates to an electronic apparatus provided with a shield metal plate for shielding electromagnetic waves.
- Patent Document 1 discloses an EMI (electromagnetic wave interference) preventing contact for an interface connector used for connection with another electronic device and an electronic device using the EMI preventing contact.
- this contact makes contact with the connector ground contact portion having conductivity that contacts the connector ground on the connector side and the frame ground provided in the device housing.
- a frame ground contact portion having conductivity and a fixing portion for fixing the connector ground contact portion and the frame ground contact portion to the substrate are integrally formed.
- an electronic device including a board on which an interface connector used for connection with another electronic device is mounted, the whole of the board is covered, and a part of the casing of the connector has conductivity.
- an EMI prevention structure provided with a shield metal plate for shielding electromagnetic waves.
- the shield sheet metal is fixed by screwing, so that a process for providing a screwing structure is required and the assembly process becomes complicated.
- the conventional shield sheet metal is not biased in the assembly direction in the electronic device, for example, when vibration is applied for a long time and the screw is loosened, the shield sheet metal is placed between the shield sheet metal and the configuration in the assembly direction in the electronic device. There is a possibility that a gap will occur and play will occur. In addition, when play occurs, there is a possibility that abnormal noise may occur due to contact between the shield sheet metal and the configuration in the assembly direction in the electronic device.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain an electronic device that can be assembled without any looseness with a simple configuration.
- An electronic apparatus includes a substrate on which a plurality of connectors having a conductive connector housing are mounted, two case members, and an internal portion formed by combining one case member with the other case member.
- a shield member provided between one case member and the board is provided so as to cover a surface of the case where the connector of the board is mounted in the internal space of the case.
- the shield member is in contact with one of the connector housings of the plurality of connectors and urges the board toward the other case member; and the other case with respect to any of the remaining connector housings And a press contact portion that presses in the direction of the member.
- FIG. 1 is a cross-sectional view of an electronic device according to a first embodiment. It is a figure which shows the electronic device which concerns on Embodiment 2 of this invention.
- FIG. 1 is a perspective view showing an electronic apparatus according to Embodiment 1 of the present invention.
- FIG. 1 (a) is a front perspective view of the electronic apparatus
- FIG. 1 (b) is a rear perspective view.
- FIG. FIG. 2 is an exploded perspective view of the electronic device of FIG.
- FIG. 3 is a perspective view showing an internal configuration of the electronic apparatus of FIG.
- FIG. 4 is a diagram showing a substrate on which the shield metal plate in the first embodiment is arranged.
- the electronic device 1 is an in-vehicle external input interface electronic device having, for example, an openable / closable lid member 4, and the upper case member 2 is replaced with the lower case member 3 as shown in FIG. A combined case and a lid member 4 attached to the front surface of the upper case member 2 are provided.
- the upper case member 2 has a shape in which one surface of a square is opened as shown in FIG. 2, and the lower case member 3 is combined with the opening. Further, the openings of the connectors 5 and 6 are exposed on the rear surface of the upper case member 2 as shown in FIG. 1B, and the connectors on the front surface of the upper case member 2 are exposed as shown in FIG. Openings 2a and 2b exposing 11 and 12 are formed.
- the lid member 4 is a lid member that is rotatably attached to the front surface of the upper case member 2 and protects the connectors 11 and 12 exposed from the openings 2a and 2b.
- the lid member 4 is formed of a flexible material such as a resin. When the lid member 4 is assembled to the front surface of the upper case member 2, the lid member 4 is bent to The supporting shafts 2c and 2d are attached to shaft holding portions (described later with reference to FIG. 6) formed at both ends of the lower side.
- the shield metal plate 7 and the substrate 10 are accommodated in the internal space of the case formed by combining the upper case member 2 with the lower case member 3.
- the shield metal plate 7 is a shield member that shields high-frequency radio waves from the substrate 10, and is formed by bending an end surface of a conductive metal plate so that one surface is open.
- An elastic shape portion 8 is formed on the top surface of the shield metal plate 7, and press contact portions 9 a and 9 b are formed on the lower end of the front surface portion of the shield metal plate 7.
- the shield metal plate 7 is disposed between the upper case member 2 and the substrate 10 and assembled so as to cover the mounting surface of the substrate 10 with the top surface and each side surface.
- Connectors 5, 6, 11, and 12 are mounted on the substrate 10. Since it is necessary to insert the connector of the external connection cable, the openings of the connectors 5, 6, 11 and 12 are provided so as to be exposed at least from the side surface of the case. For this reason, as shown in FIG. 2, the connectors 5, 6, 11, and 12 are arranged on the end side of the substrate 10. The connectors 5 and 6 are held by the conductive connector housings 5A and 6A, and the connectors 11 and 12 are held by the conductive connector housings 11A and 12A. The connector housings 5A, 6A, 11A, and 12A are grounded via the substrate 10.
- the elastic shape portion 8 has a spring shape formed by cutting and bending a part of the top surface of the shield metal plate 7 downward, and the tip portion of the elastic shape portion 8 is the connector 5.
- the board 10 is urged toward the lower case member 3 in contact with the top surface of the connector housing 5A.
- the upper case member 2 is formed with ribs 2e and 2f extending from the ceiling surface inside thereof. When the upper case member 2 is assembled, the ribs 2e and 2f contact the connector housings 11A and 12A through the through-hole portions 7a and 7b of the shield metal plate 7 to restrict the vertical movement of the substrate 10.
- FIG. 4 since the connectors 11 and 12 are located below the through-hole portions 7a and 7b, an elastic shape portion for the connector housings 11A and 12A cannot be formed.
- the press contact portions 9a and 9b are provided not on the top surface portion of the shield metal plate 7 but on the side surface portions thereof.
- the press contact portions 9a and 9b are formed at the lower end of the front side surface portion of the shield metal plate 7 and protrude downward, and the position of the lowermost end is located slightly below the position of the top surface of the connector housings 11A and 12A. For this reason, when the shield sheet metal 7 is assembled, the press contact portions 9a and 9b are pressed against the connector housings 11A and 12A in the direction of the lower case member 3.
- the elastic shape portion 8 urges the connector housing 5A, and the pressure contact portions 9a and 9b are pressed against the connector housings 11A and 12A, whereby the substrate 10 is pressed against the lower case member 3 side. Can be properly held in the case without play. Further, since it is not necessary to screw the substrate, the screwing process in the manufacturing process can be omitted, and complicated screwing work in the assembling process becomes unnecessary.
- the pressure contact portions 9a and 9b may be formed at positions where they are pressed against the upper end portions of the side surfaces 11B and 12B of the connector housings 11A and 12A. With this configuration, the pressure contact force from the pressure contact portions 9a and 9b is received and supported by the side surfaces 11B and 12B of the connector housings 11A and 12A.
- FIG. 5 is a cross-sectional view of the electronic apparatus according to the first embodiment, and shows a cross section taken along line AA of FIG.
- the pressure contact portions 9a and 9b are in pressure contact with the connector housings 11A and 12A. Then, the shield metal plate 7 bends upward. If there is no relief against this bending, when the upper case member 2 is assembled, the pressure contact portions 9a, 9b are pressed in the assembly direction by the upper case member 2, so that the pressure contact portions 9a, 9b are against the connector housings 11A, 12A. Overpressure. In this case, the connector housings 11A and 12A may be deformed.
- the shield metal plate 7 is bent when the press contact portions 9 a and 9 b are pressed against the connector housings 11 ⁇ / b> A and 12 ⁇ / b> A between the upper case member 2 and the shield metal plate 7.
- a clearance 13 is provided for escape.
- a recess 13 is formed in the ceiling surface of the upper case member 2 and the clearance 13 is formed between the shield sheet metal 7.
- the shield sheet metal 7 may be recessed downward to form the clearance. Good.
- the shield sheet metal 7 provided between the upper case member 2 and the substrate 10 is provided so as to cover, and the shield sheet metal 7 abuts against the connector housing 5A and urges the substrate 10 toward the lower case member 3.
- the shape portion 8 and pressure contact portions 9a and 9b that are in pressure contact with the connector housings 11A and 12A in the direction of the lower case member 3 are provided.
- the pressure contact portions 9a and 9b are pressed against the upper end portions of the side surfaces 11B and 12B of the connector housings 11A and 12A, so that the connector housings 11A and 11B are pressed by the pressure contact portions 9a and 9b. 12A can be prevented from being deformed.
- the escape of the bent shield sheet metal 7 is caused by the press contact portions 9a, 9b being pressed against the connector housings 11A, 12A between the upper case member 2 and the shield sheet metal 7. Since the clearance 13 is provided, it is possible to prevent the pressure contact portions 9a and 9b from excessively pressing the connector housings 11A and 12A.
- FIG. 6 is a view showing an electronic apparatus according to Embodiment 2 of the present invention.
- FIG. 6 (a) shows the upper case member 2 and the lid member 4.
- FIG. 6 (b) shows the upper case.
- a longitudinal section of the lid member 4 attached to the member 2 is shown.
- the lid member 4 is configured such that the thickness decreases toward the lower side attached to the support shafts 2c and 2d. That is, as shown in FIG. 6B, there is a relationship of b ⁇ a between the thickness a on the upper side and the thickness b on the lower side in the lid member 4. Thereby, it becomes easy to bend so that the lower side of lid member 4 may spread sideways.
- the lid member 4 that opens and closes the side surface of the case where the openings of the connectors 11 and 12 are exposed is provided, and the thickness of the lid member 4 is on the side edge of the case. It becomes thinner toward the part that can be pivoted along. By comprising in this way, the cover member 4 can be attached easily, and assembly
- the configuration in which the shaft holding portions 4a and 4b are provided on the lid member 4 and the support shafts 2c and 2d are provided on the front surface of the upper case member 2 is shown.
- a shaft holding portion may be provided on the front surface of the upper case member 2.
- any combination of each embodiment, any component of each embodiment can be modified, or any component can be omitted in each embodiment. .
- the electronic device according to the present invention can be assembled without any play with a simple configuration, it is suitable for an in-vehicle electronic device in which vibration that causes play is likely to occur due to running of the vehicle.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
しかしながら、従来では、電子機器の組み立てに際して、シールド板金をねじ止め固定していたので、ねじ止め用の構造を設ける加工が必要であり、かつ組み立て工程が繁雑になるという課題があった。
なお、ガタが発生した場合、シールド板金と電子機器内の組み付け方向の構成とが接触して異音が発生する可能性があった。
実施の形態1.
図1は、この発明の実施の形態1に係る電子機器を示す斜視図であって、図1(a)は電子機器を正面側の斜視図であり、図1(b)は背面側の斜視図である。また、図2は、図1の電子機器の分解斜視図である。図3は、図1の電子機器の内部構成を示す斜視図である。図4は、実施の形態1におけるシールド板金を配置した基板を示す図である。
実施の形態1に係る電子機器1は、例えば開閉式の蓋部材4を有する車載用の外部入力インタフェース電子機器であり、図1(a)に示すように上部ケース部材2を下部ケース部材3に組み合わせてなるケースと、上部ケース部材2の前面に取り付けられる蓋部材4とを備えている。
また、上部ケース部材2の背面には、図1(b)に示すようにコネクタ5,6の各開口が露出しており、上部ケース部材2の前面には、図2に示すように、コネクタ11,12を露出させる開口部2a,2bが形成されている。
シールド板金7は、基板10からの高周波電波をシールドするシールド部材であって、導電性の板金を一面が開口するように端面を折り曲げて形成される。
また、シールド板金7の天面には、弾性形状部8が形成されており、シールド板金7の前面部の下端には、圧接部9a,9bが形成されている。
さらに、図2と図3に示すように、シールド板金7は、上部ケース部材2と基板10との間に配置され、天面と各側面で基板10の実装面を覆うように組み付けられる。
また、コネクタ5,6は、導電性のコネクタ筐体5A,6Aに保持されており、コネクタ11,12は、導電性のコネクタ筐体11A,12Aに保持されている。コネクタ筐体5A,6A,11A,12Aは、基板10を介して接地されている。
また、図3に示すように、上部ケース部材2には、その内部の天井面から延びるリブ2e,2fが形成されている。リブ2e,2fは、上部ケース部材2を組み付けたときに、シールド板金7の貫通孔部7a,7bを通ってコネクタ筐体11A,12Aに当接して基板10の上下方向の移動を規制する。ここで、コネクタ11,12は、図4に示すように、貫通孔部7a,7bの下方に位置するため、コネクタ筐体11A,12Aに対する弾性形状部を形成することはできない。
このように、弾性形状部8がコネクタ筐体5Aを付勢し、圧接部9a,9bがコネクタ筐体11A,12Aに圧接することで、基板10が下部ケース部材3側に押し付けられ、基板10をガタなくケース内に適切に保持することが可能となる。また、基板をねじ止めする必要がないため、製造工程におけるねじ止め加工を省略でき、また組み立て工程の繁雑なねじ止め作業が不要となる。
そこで、図4に示すように、圧接部9a,9bを、コネクタ筐体11A,12Aの側面11B,12Bの上端部に圧接する位置に形成してもよい。このように構成することで、圧接部9a,9bからの圧接力は、コネクタ筐体11A,12Aの側面11B,12Bが受けて支えることになる。
この撓みに対する逃げがない場合、上部ケース部材2を組み付けたときに、上部ケース部材2によって圧接部9a,9bが組み付け方向に押し付けられるため、圧接部9a,9bがコネクタ筐体11A,12Aに対して過度に圧接することになる。この場合、コネクタ筐体11A,12Aを変形させるおそれがある。
なお、図5の例では、上部ケース部材2の天井面に凹所を設けてシールド板金7との間にクリアランス13を形成したが、シールド板金7を下方に窪ませてクリアランスを形成してもよい。
図6は、この発明の実施の形態2に係る電子機器を示す図であり、図6(a)は、上部ケース部材2と蓋部材4を示しており、図6(b)は、上部ケース部材2に取り付けた蓋部材4の縦断面を示している。上部ケース部材2の前面に蓋部材4を取り付ける場合に、蓋部材4の下辺側を側方に広がるように撓ませて、蓋部材4の下辺の両端に形成した軸保持部4a,4bを、上部ケース部材2の前面の下辺の両端に設けた支軸2c,2dに嵌合する。このため、蓋部材4が均一に厚い場合、蓋部材4をうまく撓ませることができず、上部ケース部材2の前面に取り付けることができなくなる。
Claims (4)
- 導電性のコネクタ筐体を有する複数のコネクタが実装された基板と、
2つのケース部材を有し、一方のケース部材を他方のケース部材に組み合わせて形成される内部空間内に前記基板を収納するケースとを備える電子機器において、
前記ケースの内部空間内で、前記基板の前記コネクタが実装された面を覆うように前記一方のケース部材と前記基板との間に設けられるシールド部材を備え、
前記シールド部材は、
前記複数のコネクタのいずれかのコネクタ筐体に当接して前記基板を前記他方のケース部材に向けて付勢する弾性形状部と、
残りのいずれかのコネクタ筐体に対して前記他方のケース部材の方向に圧接する圧接部とを備えることを特徴とする電子機器。 - 前記圧接部は、前記コネクタ筐体の側面の上端部に圧接することを特徴とする請求項1記載の電子機器。
- 前記一方のケース部材と前記シールド部材との間に、前記圧接部が前記コネクタ筐体に圧接することで撓んだ前記シールド部材の逃げとなるクリアランスを設けたことを特徴とする請求項1記載の電子機器。
- 前記コネクタの開口部が露出する前記ケースの側面を開閉する蓋部材を備え、
前記蓋部材の厚みは、前記ケースの側面の端辺に回動自在に取り付けられる部分に向かって薄くなることを特徴とする請求項1記載の電子機器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/050310 WO2014109032A1 (ja) | 2013-01-10 | 2013-01-10 | 電子機器 |
CN201380070022.9A CN104904330A (zh) | 2013-01-10 | 2013-01-10 | 电子设备 |
JP2014556267A JP5881867B2 (ja) | 2013-01-10 | 2013-01-10 | 電子機器 |
US14/432,937 US20150264840A1 (en) | 2013-01-10 | 2013-01-10 | Electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/050310 WO2014109032A1 (ja) | 2013-01-10 | 2013-01-10 | 電子機器 |
Publications (1)
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WO2014109032A1 true WO2014109032A1 (ja) | 2014-07-17 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/050310 WO2014109032A1 (ja) | 2013-01-10 | 2013-01-10 | 電子機器 |
Country Status (4)
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US (1) | US20150264840A1 (ja) |
JP (1) | JP5881867B2 (ja) |
CN (1) | CN104904330A (ja) |
WO (1) | WO2014109032A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017228746A (ja) * | 2016-06-24 | 2017-12-28 | 京セラドキュメントソリューションズ株式会社 | アースプレートの取り付け構造、アースプレート、および画像形成装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170228060A1 (en) * | 2016-02-08 | 2017-08-10 | General Electric Company | Appliance User Interface Panel Having Integrated Components |
JP7448505B2 (ja) | 2021-04-09 | 2024-03-12 | トヨタ自動車株式会社 | 車両用ボデー |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5961583U (ja) * | 1982-10-19 | 1984-04-23 | 三洋電機株式会社 | 扉構造 |
JPH11163549A (ja) * | 1997-11-27 | 1999-06-18 | Aiphone Co Ltd | 電子機器の筐体構造 |
JP2010192759A (ja) * | 2009-02-19 | 2010-09-02 | Sanyo Electric Co Ltd | 電子機器用筐体の電磁シールド構造 |
JP2011165345A (ja) * | 2010-02-04 | 2011-08-25 | Canon Inc | 電子機器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07212074A (ja) * | 1994-01-26 | 1995-08-11 | Matsushita Electric Works Ltd | コネクタシールド部接触構造 |
JP4659625B2 (ja) * | 2006-01-16 | 2011-03-30 | 株式会社東芝 | 電子機器 |
JP5044476B2 (ja) * | 2008-04-11 | 2012-10-10 | ホシデン株式会社 | シールドケース及び基板アッセンブリ |
JP5525227B2 (ja) * | 2009-10-13 | 2014-06-18 | ホシデン株式会社 | 基板モジュール |
KR20130025118A (ko) * | 2011-09-01 | 2013-03-11 | 현대자동차주식회사 | 전자파 차단 케이스 |
-
2013
- 2013-01-10 CN CN201380070022.9A patent/CN104904330A/zh active Pending
- 2013-01-10 WO PCT/JP2013/050310 patent/WO2014109032A1/ja active Application Filing
- 2013-01-10 US US14/432,937 patent/US20150264840A1/en not_active Abandoned
- 2013-01-10 JP JP2014556267A patent/JP5881867B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5961583U (ja) * | 1982-10-19 | 1984-04-23 | 三洋電機株式会社 | 扉構造 |
JPH11163549A (ja) * | 1997-11-27 | 1999-06-18 | Aiphone Co Ltd | 電子機器の筐体構造 |
JP2010192759A (ja) * | 2009-02-19 | 2010-09-02 | Sanyo Electric Co Ltd | 電子機器用筐体の電磁シールド構造 |
JP2011165345A (ja) * | 2010-02-04 | 2011-08-25 | Canon Inc | 電子機器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017228746A (ja) * | 2016-06-24 | 2017-12-28 | 京セラドキュメントソリューションズ株式会社 | アースプレートの取り付け構造、アースプレート、および画像形成装置 |
Also Published As
Publication number | Publication date |
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US20150264840A1 (en) | 2015-09-17 |
CN104904330A (zh) | 2015-09-09 |
JPWO2014109032A1 (ja) | 2017-01-19 |
JP5881867B2 (ja) | 2016-03-09 |
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