JPH1140966A - Electronic device - Google Patents
Electronic deviceInfo
- Publication number
- JPH1140966A JPH1140966A JP18959797A JP18959797A JPH1140966A JP H1140966 A JPH1140966 A JP H1140966A JP 18959797 A JP18959797 A JP 18959797A JP 18959797 A JP18959797 A JP 18959797A JP H1140966 A JPH1140966 A JP H1140966A
- Authority
- JP
- Japan
- Prior art keywords
- chassis
- circuit board
- printed circuit
- hole
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
-
- 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
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/301—Assembling printed circuits with electric components, e.g. with resistor by means of a mounting structure
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はパーソナルコンピュ
ータのディスプレイを利用してＴＶ放送を受信し、表示
するのに使用されるチューナ等に適用して好適な電子機
器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic apparatus suitable for use in a tuner or the like used for receiving and displaying a TV broadcast using a display of a personal computer.
【０００２】[0002]
【従来の技術】従来における電子機器は、図５に示すよ
うに、金属板から成る箱形のシャーシ１１の内部に、電
子部品（図示せず）を取り付けたプリント基板１２が適
宜手段で取り付けられている。また、パワートランジス
タ等の発熱部品１３は、本体部１３ａと端子部１３ｂと
を有し、この発熱部品１３は、端子部１３ｂをプリント
基板１２の導電パターン（図示せず）に半田付けされ、
プリント基板１２に対して直立状態で取り付けられてい
る。また、発熱部品１３の本体部１３ａは、シャーシ１
１の側板１１ａに重ね合わされ、ネジ１４で側板１１ａ
に取り付けられ、発熱部品１３の発熱を、側板１１ａを
介して放熱するようになっている。2. Description of the Related Art As shown in FIG. 5, in a conventional electronic device, a printed circuit board 12 on which electronic components (not shown) are mounted is mounted by a suitable means inside a box-shaped chassis 11 made of a metal plate. ing. The heat-generating component 13 such as a power transistor has a main body 13a and a terminal 13b. The heat-generating component 13 has the terminal 13b soldered to a conductive pattern (not shown) on the printed circuit board 12.
It is mounted upright on the printed circuit board 12. The main body 13a of the heat generating component 13 is
1 side plate 11a, and the side plate 11a
The heat generated by the heat generating component 13 is radiated through the side plate 11a.
【０００３】[0003]
【発明が解決しようとする課題】従来の電子機器は、発
熱部品１３がプリント基板１２に対して直立状態で取り
付けられているため、電子機器が大型に成るという問題
がある。また、プリント基板１は、ネジ１４とは別部品
による取付が必要で、部品点数が多くなって、生産性が
悪く、コスト高に成るという問題がある。The conventional electronic equipment has a problem that the electronic equipment becomes large because the heat-generating component 13 is mounted upright on the printed circuit board 12. In addition, the printed circuit board 1 needs to be attached by a component other than the screw 14, and the number of components is increased, so that there is a problem that productivity is deteriorated and cost is increased.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
の第１の解決手段として、ネジ孔を有する金属板から成
るシャーシと、導電パターンを有するプリント基板と、
本体部を有する発熱部品と、前記発熱部品を取り付ける
ためのネジとを備え、前記プリント基板の一面に前記発
熱部品の本体部の一面を載置し、また、前記プリント基
板の他面を前記シャーシに載置し、前記ネジを、前記発
熱部品と前記プリント基板の孔に挿通して前記シャーシ
のネジ孔にねじ込みして、前記発熱部品を取り付けた構
成とした。更に、第２の解決手段として、前記発熱部品
のプリント基板への載置面と、前記シャーシの前記プリ
ント基板への載置面とにおいて、前記プリント基板に前
記導電パターンを設けた構成とした。As a first means for solving the above problems, a chassis made of a metal plate having screw holes, a printed circuit board having a conductive pattern,
A heat-generating component having a main body, and a screw for attaching the heat-generating component, wherein one surface of the main body of the heat-generating component is mounted on one surface of the printed circuit board, and the other surface of the printed circuit board is mounted on the chassis. And the screw is inserted into the hole of the heat-generating component and the printed circuit board and screwed into the screw hole of the chassis to attach the heat-generating component. Further, as a second solution, the conductive pattern is provided on the printed circuit board on the surface on which the heat-generating component is mounted on the printed circuit board and on the surface on which the chassis is mounted on the printed circuit board.
【０００５】[0005]
【発明の実施の形態】本発明の電子機器を図１、図２に
基づいて説明すると、図１は本発明の電子機器の要部の
側面図、図２はその断面図である。そして、本発明の電
子機器は、図１、図２に示すように、金属板から成る箱
形のシャーシ１の底板１ａには、ネジ孔１ｂが設けられ
ている。また、プリント基板２には、その両面に導電パ
ターン２ａが形成され、この導電パターン２ａには、各
種の電子部品（図示せず）が半田付けされて取り付けら
れている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic apparatus according to the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a side view of a main part of the electronic apparatus according to the present invention, and FIG. As shown in FIGS. 1 and 2, in the electronic device of the present invention, a screw hole 1b is provided in a bottom plate 1a of a box-shaped chassis 1 made of a metal plate. Further, conductive patterns 2a are formed on both sides of the printed board 2, and various electronic components (not shown) are attached to the conductive patterns 2a by soldering.
【０００６】また、パワートランジスタ、レギュレータ
等から成る発熱部品３は、孔３ａを有する本体部３ｂ
と、本体部３ｂから導出された端子部３ｃとを備えてい
る。そして、発熱部品３は、その本体部３ｂの一面をプ
リント基板２の一面に載置した伏せ型の状態とし、本体
部３ｂに設けた孔３ａを、プリント基板２の孔２ｂに合
わせた状態で、端子部３ｃを導電パターン２ａに半田付
けして取り付けられている。そして、このように、発熱
部品３を取り付けたプリント基板２は、孔２ｂを底板１
ａのネジ孔１ｂに合わした状態で、その他面をシャーシ
１の底板１ａに載置し、ワッシャー４と本体部３の孔３
ａとプリント基板２の孔２ｂとにネジ５を挿通し、この
ネジ５をシャーシ１のネジ孔１ｂにねじ込んで、発熱部
品３とプリント基板２をシャーシ１に取り付けている。
そして、発熱部品３の発熱は、プリント基板２、及びシ
ャーシ１と通して放熱するようになっている。Further, a heat generating component 3 including a power transistor, a regulator, and the like includes a main body 3b having a hole 3a.
And a terminal 3c derived from the main body 3b. The heat-generating component 3 is in a state in which one surface of the main body 3b is placed on one surface of the printed circuit board 2 in a face-down state, and the holes 3a provided in the main body 3b are aligned with the holes 2b of the printed circuit board 2. The terminal 3c is attached to the conductive pattern 2a by soldering. The printed board 2 on which the heat-generating component 3 is attached is formed with the hole 2b in the bottom plate 1 as described above.
a, the other surface is placed on the bottom plate 1a of the chassis 1, and the washer 4 and the hole 3 of the main body 3 are fitted.
a, and the screw 5 is inserted into the hole 2b of the printed circuit board 2, and the screw 5 is screwed into the screw hole 1b of the chassis 1 to attach the heat generating component 3 and the printed circuit board 2 to the chassis 1.
The heat generated by the heat generating component 3 is radiated through the printed circuit board 2 and the chassis 1.
【０００７】また、図３、図４は、本発明の電子機器の
他の実施形態を示し、図３は電子機器の要部の断面図、
図４は本発明の電子機器に係るプリント基板の要部の平
面図であって、プリント基板２における発熱部品３の載
置部分、及びシャーシ１の載置部分とに導電パターン２
ａを形成し、発熱部品３の本体部３ｂ、及びシャシー１
を導電パターン２ａに当接した構成としたものである。
そして、このプリント基板２を使用した場合は、プリン
ト基板２の一面では、発熱部品３の本体部３ｂの一面が
導電パターン２ａに、更に、プリント基板２の他面で
は、シャーシ１の底板１ａが導電パターン２ａに接触し
た構成となるものである。このような構成においては、
この導電パターン２ａが金属で構成されているために、
熱伝導が良好となり、一層放熱効果を向上することが出
来る。FIGS. 3 and 4 show another embodiment of the electronic apparatus of the present invention. FIG. 3 is a sectional view of a main part of the electronic apparatus.
FIG. 4 is a plan view of a main part of a printed circuit board according to the electronic apparatus of the present invention, in which a conductive pattern 2 is provided on a mounting part of a heat generating component 3 and a mounting part of a chassis 1 on the printed circuit board 2.
a, the main body 3b of the heat generating component 3 and the chassis 1
Is in contact with the conductive pattern 2a.
When the printed circuit board 2 is used, on one surface of the printed circuit board 2, one surface of the main body 3 b of the heat generating component 3 is connected to the conductive pattern 2 a, and on the other surface of the printed circuit board 2, the bottom plate 1 a of the chassis 1 is connected. It is configured to be in contact with the conductive pattern 2a. In such a configuration,
Since the conductive pattern 2a is made of metal,
The heat conduction becomes good, and the heat radiation effect can be further improved.
【０００８】[0008]
【発明の効果】本発明の電子機器は、プリント基板２の
一面に発熱部品３の本体部３ｂの一面を載置して伏せ型
としたため、薄型となり、小型で扁平な電子機器を提供
できる。また、ネジ５で発熱部品３と共にプリント基板
２をシャーシ１に取り付けるため、発熱部品３の取付と
シャーシ１の取付が兼用できて、組立作業性が良く、安
価な電子機器を提供できる。更に、発熱部品３とシャー
シ１とを導電パターン２ａに当接することにより、熱伝
導が良好となり、一層放熱効果を向上することが出来、
電気的性能の安定した電子機器を提供できる。According to the electronic apparatus of the present invention, one surface of the main body 3b of the heat-generating component 3 is mounted on one surface of the printed circuit board 2 to be a prone type, so that a thin, small and flat electronic device can be provided. In addition, since the printed circuit board 2 is attached to the chassis 1 together with the heat-generating components 3 with the screws 5, the mounting of the heat-generating components 3 and the chassis 1 can be used together, so that the assembling workability is good and an inexpensive electronic device can be provided. Further, by bringing the heat generating component 3 and the chassis 1 into contact with the conductive pattern 2a, heat conduction is improved, and the heat radiation effect can be further improved.
An electronic device with stable electric performance can be provided.
【図１】本発明の電子機器の要部の側面図。FIG. 1 is a side view of a main part of an electronic device according to the present invention.
【図２】本発明の電子機器の要部の断面図。FIG. 2 is a cross-sectional view of a main part of the electronic device of the invention.
【図３】本発明の電子機器の他の実施形態を示す要部の
断面図。FIG. 3 is a cross-sectional view of a main part showing another embodiment of the electronic apparatus of the present invention.
【図４】本発明の電子機器の他の実施形態に係るプリン
ト基板の要部の平面図。FIG. 4 is a plan view of a main part of a printed circuit board according to another embodiment of the electronic device of the present invention.
【図５】従来の電子機器の要部断面側面図。FIG. 5 is a cross-sectional side view of a main part of a conventional electronic device.
１ シャーシ １ａ 底板 １ｂ ネジ孔 ２ プリント基板 ２ａ 導電パターン ２ｂ 孔 ３ 発熱部品 ３ａ 孔 ３ｂ 本体部 ３ｃ 端子部 ４ ワッシャー ５ ネジ DESCRIPTION OF SYMBOLS 1 Chassis 1a Bottom plate 1b Screw hole 2 Printed circuit board 2a Conductive pattern 2b Hole 3 Heating component 3a Hole 3b Main body 3c Terminal 4 Washer 5 Screw
Claims (2)
と、導電パターンを有するプリント基板と、本体部を有
する発熱部品と、前記発熱部品を取り付けるためのネジ
とを備え、前記プリント基板の一面に前記発熱部品の本
体部の一面を載置し、また、前記プリント基板の他面を
前記シャーシに載置し、前記ネジを、前記発熱部品と前
記プリント基板の孔に挿通して前記シャーシのネジ孔に
ねじ込みして、前記発熱部品を取り付けたことを特徴と
する電子機器。1. A printed circuit board comprising: a chassis made of a metal plate having a screw hole; a printed board having a conductive pattern; a heat generating component having a main body; and screws for attaching the heat generating component. One surface of the main body of the heat-generating component is placed, and the other surface of the printed circuit board is placed on the chassis, and the screw is inserted into the hole of the heat-generating component and the printed circuit board to screw the chassis. An electronic device, wherein the heat-generating component is attached by screwing into a hole.
と、前記シャーシの前記プリント基板への載置面とにお
いて、前記プリント基板に前記導電パターンを設けたこ
とを特徴とする請求項１記載の電子機器。2. The printed circuit board according to claim 1, wherein the conductive pattern is provided on a surface on which the heat-generating component is mounted on the printed circuit board and on a surface on which the chassis is mounted on the printed circuit board. Electronic device as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18959797A JPH1140966A (en) | 1997-07-15 | 1997-07-15 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18959797A JPH1140966A (en) | 1997-07-15 | 1997-07-15 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1140966A true JPH1140966A (en) | 1999-02-12 |
Family
ID=16243985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18959797A Withdrawn JPH1140966A (en) | 1997-07-15 | 1997-07-15 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1140966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020003423A1 (en) * | 2018-06-27 | 2020-01-02 | 三菱電機株式会社 | Power supply device |
-
1997
- 1997-07-15 JP JP18959797A patent/JPH1140966A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020003423A1 (en) * | 2018-06-27 | 2020-01-02 | 三菱電機株式会社 | Power supply device |
| JPWO2020003423A1 (en) * | 2018-06-27 | 2021-04-22 | 三菱電機株式会社 | Power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Effective date: 20040715 Free format text: JAPANESE INTERMEDIATE CODE: A971007 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040831 |
|
| A761 | Written withdrawal of application |
Effective date: 20040922 Free format text: JAPANESE INTERMEDIATE CODE: A761 |