JPH0783165B2 - Circuit board - Google Patents
Circuit boardInfo
- Publication number
- JPH0783165B2 JPH0783165B2 JP13047687A JP13047687A JPH0783165B2 JP H0783165 B2 JPH0783165 B2 JP H0783165B2 JP 13047687 A JP13047687 A JP 13047687A JP 13047687 A JP13047687 A JP 13047687A JP H0783165 B2 JPH0783165 B2 JP H0783165B2
- Authority
- JP
- Japan
- Prior art keywords
- back surface
- surface side
- terminal
- insulating plate
- circuit board
- 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.)
- Expired - Lifetime
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
- H05K1/0213—Electrical arrangements not otherwise provided for
-
- 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 resistors
- H05K3/306—Assembling printed circuits with electric components, e.g. with resistors with lead-in-hole components
Landscapes
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、配線基板に実装された電源の短絡，漏電を防
止した回路基板に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit board that prevents short-circuiting and leakage of a power source mounted on a wiring board.
（従来の技術） 汎用バス仕様のシングルボードコンピュータ等において
は、その回路基板の取扱いが不特定の人によってなされ
ることが多い。また、回路基板には停電時における記憶
情報の保持を行うため、電源（バッテリ）が実装され、
各電気部品は電源によって電圧サポートがなされてい
る。これら電源および電気部品の端子は配線基板の裏側
に突き出されており、不特定人の不用意の取扱いで回路
基板を導電性物体上に載置した場合には、電源が短絡あ
るいは漏電して容量がなくなる不都合がある。このため
従来より、短絡，漏電を防止する処理を行うことがなさ
れている。(Prior Art) In a general-purpose bus single-board computer or the like, the circuit board is often handled by an unspecified person. In addition, a power supply (battery) is mounted on the circuit board to retain the stored information in the event of a power outage.
Each electric component is voltage-supported by the power supply. The terminals of these power supplies and electrical parts are projected on the back side of the wiring board.If the circuit board is placed on a conductive object by an unspecified person, the power supply may short-circuit or leak to prevent capacitance. There is an inconvenience. For this reason, conventionally, a process for preventing a short circuit or an electric leakage has been performed.
従来における防止処理は、配線基板の裏面にワニス，合
成樹脂などを塗布し、これを乾燥，固化することによっ
て行われている。The conventional prevention treatment is performed by applying varnish, synthetic resin, or the like to the back surface of the wiring board, and drying and solidifying this.
（発明が解決しようとする問題点） しかしながら、従来技術に用いられているワニスは粘性
が強く、均一な塗布が難しいと共に、その層厚にも限界
があり、完全な短絡防止が難しい。一方、合成樹脂は乾
燥に長時間を要すると共に、固化後には、その取り外し
ができず、用途に応じた変更が難しい、問題点を有して
いる。(Problems to be Solved by the Invention) However, the varnish used in the related art has a strong viscosity, and it is difficult to apply it uniformly, and the layer thickness thereof is limited, and it is difficult to completely prevent short circuit. On the other hand, the synthetic resin has a problem that it takes a long time to dry, and the solid resin cannot be removed after being solidified, and it is difficult to change it according to the application.
本発明は、上記事情を考慮してなされ、簡単な構造で電
源の短絡，漏電を防止することが可能な回路基板を提供
することを、その目的とする。The present invention has been made in view of the above circumstances, and an object thereof is to provide a circuit board capable of preventing a short circuit and a leakage of a power source with a simple structure.
（問題点を解決するための手段） 上記目的を達成するため、本発明は、 長い針状の端子を有する電気部品が基板に取付けられ、
しかも、この端子は、基板の表面側から裏面側に向けて
貫通し、その先端部が裏面側に突出した状態となってい
る回路基板において、前記基板の裏面側へ突出している
前記端子の先端部長さ以上の寸法の厚みを有し、且つ、
この先端部が円滑に突き刺さるほどの充分な柔軟性を有
する材質で形成された絶縁板を、前記基板の裏面側に対
して押し付けることによって、この絶縁板を基板の裏面
側へ取付け、これにより、この裏面側へ突出した端子の
先端部の絶縁を行なったこと、を特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention provides an electric component having long needle-shaped terminals attached to a substrate,
Moreover, in a circuit board in which the terminal penetrates from the front surface side to the back surface side of the board and the tip portion thereof projects to the back surface side, the tip of the terminal protruding to the back surface side of the board It has a thickness equal to or greater than the length of the part, and
By attaching an insulating plate formed of a material having sufficient flexibility so that the tip portion can be pierced smoothly against the back side of the substrate, the insulating plate is attached to the back side of the substrate. This is characterized in that the tip portion of the terminal protruding to the back surface side is insulated.
（作 用） 本発明は以上の通りに構成されるので、絶縁板は配線基
板から抜き出た電源，電気部品の端子を電気的に絶縁す
るように作用する。(Operation) Since the present invention is configured as described above, the insulating plate acts so as to electrically insulate the power source and the terminal of the electric component extracted from the wiring board.
（実施例） 以下、本発明を第１図に示す一実施例を参照して具体的
に説明する。(Example) Hereinafter, the present invention will be specifically described with reference to an example shown in FIG.
所定の配線パターンが印刷等によって形成された配線基
板１上に、バッテリなどの電源２が実装されると共に、
半導体素子３、抵抗器４などの電気部品が実装されてい
る。半導体素子３、抵抗器４などの電気部品は電源２に
よって電圧サポートされるものであり、このため各電気
部品3,4の各端子3a,4aは配線基板１にパターン形成され
た配線層（図示せず）を介して電源２の端子2aと接続さ
れている。ここで、電源２の端子2aおよび各電気部品3,
4の端子3a,4aは配線基板１を挿通して裏面に抜き出され
その取付強度の向上が図られている。そして、この配線
基板１の裏面には絶縁板５が取り付けられている。A power source 2 such as a battery is mounted on a wiring board 1 on which a predetermined wiring pattern is formed by printing or the like, and
Electrical components such as the semiconductor element 3 and the resistor 4 are mounted. Electric components such as the semiconductor element 3 and the resistor 4 are voltage-supported by the power source 2. Therefore, the terminals 3a and 4a of the electric components 3 and 4 are patterned on the wiring board 1 (see FIG. It is connected to the terminal 2a of the power source 2 via (not shown). Here, the terminal 2a of the power source 2 and each electric component 3,
The four terminals 3a, 4a are inserted through the wiring board 1 and extracted on the back surface to improve the mounting strength. An insulating plate 5 is attached to the back surface of the wiring board 1.
絶縁板５は電源２や電気部品3,4の全ての端子2a,3a,4a
の領域を被う面積を有すると共に、裏面に抜き出た端子
が突き出ないような厚みを有して、配線基板１裏面に取
り付けられる。この絶縁板５は配線基板１から抜き出た
電源２、電気部品3,4の各端子2a,3a,4aが曲がることな
く、円滑に突き刺さるような柔軟性を有する材質のもの
が使用される。材質としては例えばフェノール樹脂，ポ
リエステル系樹脂などの合成樹脂，シリコンゴムなどの
合成ゴム、さらには前記合成樹脂の発泡体が選択され、
これらは通常の流通過程で市販されているものを適宜、
裁断して絶縁板とすることができる。The insulating plate 5 is used for all terminals 2a, 3a, 4a of the power supply 2 and electric parts 3, 4.
Is mounted on the back surface of the wiring board 1 while having an area that covers the area of (1) and a thickness that prevents the terminals extracted on the back surface from protruding. The insulating plate 5 is made of a material having flexibility so that the power source 2 extracted from the wiring board 1 and the terminals 2a, 3a, 4a of the electric components 3, 4 can be smoothly pierced without bending. As the material, for example, a synthetic resin such as a phenol resin or a polyester resin, a synthetic rubber such as a silicone rubber, or a foam of the synthetic resin is selected.
These are commercially available in the normal distribution process,
It can be cut into an insulating plate.
配線基板１への取り付けは接着，溶着その他の手段で行
うことができるが、電源２や電気部品４の各端子2a,3a,
4aが突き刺さって配線基板１に保持されるため、単に当
接するだけでもよい。なお、絶縁板５としてTF−SR（三
菱電機（株）、商品名）を使用することができる。この
ものは、絶縁性に優れると共に、片面が粘着性を有し、
他の片面が非粘着性となっており、粘着面を配線基板１
の裏面に当接して使用することができる。Although it can be attached to the wiring board 1 by adhesion, welding, or any other means, the terminals 2a, 3a,
Since 4a is pierced and held by the wiring board 1, it may be simply abutted. As the insulating plate 5, TF-SR (Mitsubishi Electric Corporation, trade name) can be used. This one has excellent insulation and has adhesiveness on one side,
The other side is non-adhesive and the adhesive side is the wiring board 1.
It can be used by contacting the back surface of the.
このような絶縁板５が取り付けられた回路基板は配線基
板１の裏側に抜き出された電源２や電源２によって電圧
サポートされる電気部品3,4の各端子2a,3a,4aが絶縁板
５によって電気的に絶縁されるので、短絡、漏電などに
よる電源２の容量消失がなくなる。また、予め設計寸法
に形成された絶縁板５を配線基板１の裏面に取り付ける
だけであるから、作業性も向上する。In the circuit board to which such an insulating plate 5 is attached, each terminal 2a, 3a, 4a of the power source 2 and the electric components 3, 4 supported by the power source 2 on the back side of the wiring board 1 has the insulating plate 5 Since it is electrically insulated by the above, the capacity of the power source 2 is not lost due to a short circuit, an electric leakage, or the like. Further, the workability is improved because the insulating plate 5 having the designed dimensions in advance is simply attached to the back surface of the wiring board 1.
以上のように、本発明によれば、電気部品の端子そのも
のを取付構造に利用しているので、端子の突出長さ以上
の厚みを有し、且つ柔らかな材質の絶縁板を押し付ける
だけの簡単な作業により基板の裏面側の絶縁を行うこと
ができる。そして、従来のように、ワニス等の均一な塗
布や長時間の乾燥工程などを考慮する必要がなくなるの
で、作業性を大幅に向上させることができる。As described above, according to the present invention, since the terminal itself of the electric component is used for the mounting structure, it is easy to press the insulating plate made of a soft material having a thickness equal to or larger than the protruding length of the terminal. It is possible to insulate the back side of the substrate by performing various operations. Since it is not necessary to consider the uniform application of varnish or the long drying process as in the conventional case, workability can be greatly improved.
第１図は本発明の一実施例の断面図である。 １……配線基板、２……電源、3,4……電気部品、2a,3
a,4a……端子、５……絶縁板。FIG. 1 is a sectional view of an embodiment of the present invention. 1 ... Wiring board, 2 ... Power supply, 3,4 ... Electrical parts, 2a, 3
a, 4a: terminals, 5: insulating plate.
Claims (1)
取付けられ、しかも、この端子は、基板の表面側から裏
面側に向けて貫通し、その先端部が裏面側に突出した状
態となっている回路基板において、 前記基板の裏面側へ突出している前記端子の先端部長さ
以上の寸法の厚みを有し、且つ、この先端部が円滑に突
き刺さるほどの充分な柔軟性を有する材質で形成された
絶縁板を、前記基板の裏面側に対して押し付けることに
よって、この絶縁板を基板の裏面側へ取付け、これによ
り、この裏面側へ突出した端子の先端部の絶縁を行なっ
たこと、 を特徴とする回路基板。1. An electric component having a long needle-like terminal is attached to a substrate, and the terminal penetrates from the front surface side to the back surface side of the board, and the tip portion thereof projects to the back surface side. In the circuit board, the thickness is equal to or larger than the length of the tip of the terminal projecting to the back side of the board, and the material is flexible enough to pierce the tip smoothly. By pressing the formed insulating plate against the back surface side of the substrate, the insulating plate is attached to the back surface side of the substrate, whereby the tip end portion of the terminal protruding to the back surface side is insulated. Circuit board characterized by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13047687A JPH0783165B2 (en) | 1987-05-27 | 1987-05-27 | Circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13047687A JPH0783165B2 (en) | 1987-05-27 | 1987-05-27 | Circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63293992A JPS63293992A (en) | 1988-11-30 |
| JPH0783165B2 true JPH0783165B2 (en) | 1995-09-06 |
Family
ID=15035160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13047687A Expired - Lifetime JPH0783165B2 (en) | 1987-05-27 | 1987-05-27 | Circuit board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0783165B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH087427Y2 (en) * | 1989-08-28 | 1996-03-04 | 株式会社小糸製作所 | Helmet with light emitting diode |
| JPH0479469U (en) * | 1990-11-24 | 1992-07-10 |
-
1987
- 1987-05-27 JP JP13047687A patent/JPH0783165B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63293992A (en) | 1988-11-30 |
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