JPH06233433A - Wiring connection box - Google Patents
Wiring connection boxInfo
- Publication number
- JPH06233433A JPH06233433A JP50A JP3619993A JPH06233433A JP H06233433 A JPH06233433 A JP H06233433A JP 50 A JP50 A JP 50A JP 3619993 A JP3619993 A JP 3619993A JP H06233433 A JPH06233433 A JP H06233433A
- Authority
- JP
- Japan
- Prior art keywords
- wiring
- connection box
- box
- wiring board
- external
- 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.)
- Granted
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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
Landscapes
- Connection Or Junction Boxes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車等におけるワイ
ヤーハーネスや電気機能部品等の端末間の接続及び分岐
を行うための配線接続箱に関し、更に詳しくは防水性と
機器への組付け性を向上し得るモールド構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring connection box for connecting and branching terminals such as wire harnesses and electric functional parts in automobiles and the like, and more particularly to waterproof and assembling equipment. A mold structure that can be improved.
【０００２】[0002]
【従来の技術】周知の如く、近年の自動車は高度な電子
制御を行うようになっていて、必然的にＣＰＵ等の制御
部や各種のセンサー、モータ等の駆動機器を備えてい
る。従って、制御部や各種センサーとの接続に多数の配
線が必要になり、このため端末にコネクタを接続したワ
イヤーハーネスによる配線が行われている。また、ワイ
ヤーハーネスはコネクタを接続することにより、コネク
タの端末をシャントして所望の回路を構成したり、リレ
ースイッチ等に接続するように構成した配設接続箱に接
続されることもある。2. Description of the Related Art As is well known, recent automobiles are designed to perform sophisticated electronic control, and inevitably have a control unit such as a CPU, various sensors, and drive devices such as a motor. Therefore, a large number of wirings are required for connection with the control unit and various sensors, and therefore wiring is performed by a wire harness in which a connector is connected to a terminal. In addition, the wire harness may be connected to a connector by shunting the terminal of the connector to form a desired circuit, or may be connected to an arrangement connection box configured to be connected to a relay switch or the like.
【０００３】一方、自動車は過酷な条件で使用されるも
のであり、制御部はもとより配線接続箱についても漏電
防止等の見地から防水構造になされる。図７〜図１１は
従来の配線接続箱の一例を示すものである。なお、図示
した配線接続箱は、先に本願出願人により特許出願さ
れ、特公平４−５２６９３号公報により公告されている
ものであるが、後述する本発明との相違を明確にするた
め以下に概要を説明する。即ち、配線基板Ａは耐湿性の
硬質樹脂により形成され、導体Ｂの端子に形成された例
えばタブ状の接触端子ｂなどを貫通固定するための孔が
設けられている。基板Ａと導体Ｂとは、所定の配線を構
成するように、それぞれ積層されて配線組立体Ｃが形成
される。On the other hand, automobiles are used under harsh conditions, and not only the control section but also the wiring junction box are made waterproof from the viewpoint of leakage prevention. 7 to 11 show an example of a conventional wiring junction box. The wiring junction box shown in the figure is a patent application previously filed by the applicant of the present application and published by Japanese Patent Publication No. 4-52693. However, in order to clarify the difference from the present invention described below, An overview will be given. That is, the wiring board A is formed of a moisture-resistant hard resin, and is provided with holes for penetrating and fixing, for example, tab-shaped contact terminals b formed on the terminals of the conductor B. The board A and the conductor B are laminated so as to form a predetermined wiring to form a wiring assembly C.
【０００４】配線組立体Ｃの最上層及び最下層の基板Ａ
上には、その上面または下面に枠状体ｄ１やボタン状体
ｄ２あるいは格子枠状体ｄ３等の間隙保持要部材Ｄを設
けてある。配線組立体Ｃは、端子ｂを挿入する孔ｅを備
えた保護型Ｅを装着して保護組立体Ｆとする。このよう
な保護組立体Ｅは、例えば金属や耐熱性樹脂で形成され
たもので、樹脂成形用モールドＧの一部を構成するもの
である。樹脂成形用モールドＧの内部に装着された配線
板組立体Ｃの周囲には、間隙保持用部材Ｄによって所定
幅の空隙Ｈが保持されるので、樹脂注入孔ｇから注入さ
れた樹脂Ｉは空隙Ｈに充填され、基板Ａ及び間隙保持用
部材Ｄに一体に密着して配線組立体Ｃを包埋する。Substrate A of the top and bottom layers of wiring assembly C
Above the upper surface or the lower surface, a gap maintaining member D such as a frame-shaped body d1, a button-shaped body d2, or a lattice frame-shaped body d3 is provided. The wiring assembly C is equipped with a protective mold E having a hole e into which the terminal b is inserted, to form a protective assembly F. Such a protection assembly E is made of, for example, metal or heat resistant resin and constitutes a part of the resin molding mold G. Since a gap H having a predetermined width is held by the gap holding member D around the wiring board assembly C mounted inside the resin molding mold G, the resin I injected from the resin injection hole g is a gap. H is filled, and the wiring assembly C is embedded by closely adhering to the substrate A and the gap maintaining member D integrally.
【０００５】そして、樹脂Ｉが個化した後、樹脂成形用
モールドＧ、保護型Ｅを外すことにより、基板Ａを樹脂
Ｉで一体化し、且つ樹脂Ｉの表面から接触端子ｂが突出
した配線箱が得られる。なお、包埋用樹脂Ｉとしては、
二液反応型の熱硬化性樹脂でもよいが、熱可塑性樹脂が
好ましい。熱可塑性樹脂としては、硬質塩化ビニル樹脂
のようなものでよい。前記のように構成した配線接続箱
は、リレー等の所望部品を組込み、カバー内に装着され
て使用されるのであるが、基板Ａの周囲全体が樹脂Ｉで
覆われているので、防水性に優れたものになる。After the resin I is singulated, the resin molding mold G and the protective mold E are removed to integrate the substrate A with the resin I, and the wiring box in which the contact terminals b project from the surface of the resin I. Is obtained. In addition, as the resin I for embedding,
A two-component reaction type thermosetting resin may be used, but a thermoplastic resin is preferable. The thermoplastic resin may be a hard vinyl chloride resin. The wiring junction box configured as described above is used by incorporating a desired component such as a relay and mounting it in a cover. However, since the entire periphery of the board A is covered with the resin I, it is waterproof. It will be excellent.
【０００６】[0006]
【発明が解決しようとする課題】従来の配線接続箱は、
硬質の基板Ａを二液反応型熱硬化性樹脂や熱可塑性硬質
塩化ビニル性樹脂などの硬質樹脂でモールドしている。
従って、外力もしくは温度変化などにより生ずるモール
ド材の応力は、接触端子の配列（ピッチ）や端子形状そ
のものに直接影響を及ぼす。接触端子の配列に誤差が生
じた場合は、コネクタの着脱が困難になり、端子形状が
変形した場合も同様である。特に自動車は、炎熱の地や
酷寒の地を走行するなど、使用環境が厳しいものである
から、前記問題はメンテナンスの見地からも早急に解消
する必要がある。更に、既述のモールド工程は、従来の
配線接続箱の工法に付加されたものであり、製造工程が
複雑になっていた。本発明の目的は、防水性はもとよ
り、外力や熱による影響を低減できる上に構造が簡単で
組み立て容易な配線接続箱を提供することにある。The conventional wiring junction box has the following problems.
The hard substrate A is molded with a hard resin such as a two-component reaction type thermosetting resin or a thermoplastic hard vinyl chloride resin.
Therefore, the stress of the molding material caused by the external force or the temperature change directly affects the arrangement (pitch) of the contact terminals and the terminal shape itself. If an error occurs in the arrangement of the contact terminals, it becomes difficult to attach and detach the connector, and the same applies when the terminal shape is deformed. In particular, since automobiles are used in severe environments such as traveling in a place of heat of flame or a place of severe cold, the above problem needs to be solved promptly from the viewpoint of maintenance. Furthermore, the above-described molding process is added to the conventional method for constructing the wiring junction box, which complicates the manufacturing process. It is an object of the present invention to provide a wiring junction box which is not only waterproof but also capable of reducing the effects of external force and heat and having a simple structure and easy assembly.
【０００７】[0007]
【課題を解決するための手段】本発明に係る前記目的
は、回路パターンに外部接続端子を接続した可撓性のあ
る配線基板を、前記外部接続端子を外部接続可能に突出
させた形状で軟質モールド材によりモールドしたことを
特徴とする配線接続箱により達成される。The object of the present invention is to provide a flexible wiring board in which an external connection terminal is connected to a circuit pattern, and a flexible wiring board having a shape in which the external connection terminal is externally connectable. This is achieved by a wiring junction box characterized by being molded with a molding material.
【０００８】[0008]
【作用】即ち、可撓性のある配線基板を軟質モールド材
によりモールドしたものであるから、配線接続箱自体が
フレキシブルになる。従って、外力や熱による応力の影
響を配線接続箱の可撓性により吸収することができる。That is, since the flexible wiring board is molded with the soft molding material, the wiring connection box itself becomes flexible. Therefore, the flexibility of the wiring junction box can absorb the influence of stress due to external force or heat.
【０００９】次に、図１〜図６を参照して本発明の第１
実施例を説明する。図１は配線接続箱の一部切り欠き斜
視図、図２は配線基板の斜視図、図３は外部接続端子を
接続した配線基板の斜視図、図４は外部接続端子の接続
を示す要部の斜視図、図５は配線基板のモールドを説明
する斜視図、図６は配線接続箱の構造を示す断面図であ
る。まず、図１を参照して配線接続箱１の構成について
説明する。配線接続箱１は、複数の配線基板２を積層
し、且つ配線基板２の回路パターン３に接続された接続
端子４を外部接続可能に突出させた状態で、複数の配線
基板２全体を軟性モールド材５により覆った構造になっ
ている。Next, referring to FIGS. 1 to 6, the first embodiment of the present invention will be described.
An example will be described. 1 is a partially cutaway perspective view of a wiring connection box, FIG. 2 is a perspective view of a wiring board, FIG. 3 is a perspective view of a wiring board to which external connection terminals are connected, and FIG. 4 is a main part showing connection of external connection terminals. Is a perspective view for explaining the mold of the wiring board, and FIG. 6 is a sectional view showing the structure of the wiring junction box. First, the configuration of the wiring junction box 1 will be described with reference to FIG. In the wiring connection box 1, a plurality of wiring boards 2 are laminated with a plurality of wiring boards 2 laminated, and the connection terminals 4 connected to the circuit patterns 3 of the wiring board 2 are projected so as to be externally connectable. The structure is covered with the material 5.
【００１０】次いで各部材について説明すると、配線基
板２は当業者間でフレキシブル・フラット・サーキット
（ＦＦＣ）、フレキシブル・プリント・サーキット（Ｆ
ＰＣ）、リボン導体と呼ばれているものが適用される。
配線基板２の一側面には図２に示すように所望の回路パ
ターン３が形成されているが、ＦＦＣ、ＦＰＣ、リボン
導体のいずれも図２の左隅に想像線で示したように撓み
可能、言い換えれば可撓性を有している。Explaining each member, the wiring board 2 is a flexible flat circuit (FFC) or a flexible printed circuit (F) among those skilled in the art.
PC), what is called a ribbon conductor is applied.
Although a desired circuit pattern 3 is formed on one side surface of the wiring board 2 as shown in FIG. 2, any of the FFC, the FPC, and the ribbon conductor can be bent as shown by an imaginary line in the left corner of FIG. In other words, it has flexibility.
【００１１】そして、回路パターン３上の所定位置３ａ
には、図３に示すように外部接続端子４が接続されてい
る。回路パターン３の所定位置３ａと外部接続端子４と
の接続は、図４に示すように外部接続端子４の平板部４
ａを所定位置３ａに接触させた状態で溶接、スポット溶
接、レーザー溶接、半田付け等により導電可能に接続さ
れる。なお、外部接続端子４の構造は図示のものに限定
されるものではなく、コネクタに挿通可能な幅に切断さ
れたＬ字状の金属板、棒状体等の各種形状のものを適用
できる。The predetermined position 3a on the circuit pattern 3
An external connection terminal 4 is connected to the terminal 4, as shown in FIG. The predetermined position 3a of the circuit pattern 3 and the external connection terminal 4 are connected by the flat plate portion 4 of the external connection terminal 4 as shown in FIG.
Conductive connection is made by welding, spot welding, laser welding, soldering or the like with a being in contact with the predetermined position 3a. The structure of the external connection terminal 4 is not limited to that shown in the figure, and various shapes such as an L-shaped metal plate and a rod-shaped body cut into a width that can be inserted into the connector can be applied.
【００１２】また、本実施例では複数の配線基板２を積
層するとともに、最上部の配線基板２に外部接続端子４
を接続しているが、例えば上から二枚目の配線基板２に
外部接続端子４を接続し、その上の配線基板２に挿通孔
を形成して外部接続し得るように構成してもよい。いず
れにしても、回路パターン３の所定位置３ａに回路設計
に応じて外部接続端子４を導電可能に接続した後、配線
基板２のモールドが行われる。Further, in this embodiment, a plurality of wiring boards 2 are stacked and the external connection terminals 4 are provided on the uppermost wiring board 2.
However, the external connection terminals 4 may be connected to, for example, the second wiring board 2 from the top, and an insertion hole may be formed in the wiring board 2 on the wiring board 2 to make external connection. . In any case, the wiring board 2 is molded after the external connection terminals 4 are conductively connected to the predetermined positions 3a of the circuit pattern 3 according to the circuit design.
【００１３】次に、配線基板２のモールド方法の一例を
示すと、図５に示すように外部接続端子４を接続した状
態で金型１１内の充填部１２にに入れる。なお、図５に
は図示の便宜のため一枚の配線基板２を図示したが、枚
数は特に限定されない。充填部１２の寸法は、配線基板
２より所定寸法だけ大きく設定され、配線基板２と充填
部１２の壁面との間に形成される間隙に本発明でいう軟
質モールド材が充填される。軟質モールド材としては、
ゴム材や軟質樹脂、例えば熱可塑性ウレタン樹脂等が適
用される。Next, as an example of a method of molding the wiring board 2, as shown in FIG. 5, the external connection terminals 4 are put in the filling section 12 in the mold 11 in a state of being connected. Although one wiring board 2 is shown in FIG. 5 for convenience of illustration, the number is not particularly limited. The size of the filling portion 12 is set to be larger than the wiring board 2 by a predetermined dimension, and the soft molding material according to the present invention is filled in the gap formed between the wiring board 2 and the wall surface of the filling portion 12. As a soft mold material,
A rubber material or a soft resin such as a thermoplastic urethane resin is applied.
【００１４】このようにして、配線基板２の周囲に軟質
モールド材を充填し且つ個化した後に引き上げると、図
１に示したような配線接続箱１が形成される。配線接続
箱１の内部構造は、図６に示すように複数の配線基板３
が積層状態で軟質モールド材１３により一体に覆われる
ようになり、しかも軟質モールド材１３を突き抜けるよ
うにして外部接続端子４がコネクタ等に接続可能に突出
した構造になる。なお、配線接続箱１の使用形態は、前
記公告公報に開示されているようにケース等に収納して
使用されることが多い。In this way, by filling the periphery of the wiring board 2 with the soft molding material, singulating it, and then pulling it up, the wiring connection box 1 as shown in FIG. 1 is formed. The internal structure of the wiring junction box 1 includes a plurality of wiring boards 3 as shown in FIG.
Are integrally covered with the soft molding material 13 in a laminated state, and the external connection terminal 4 projects so as to penetrate the soft molding material 13 so as to be connectable to a connector or the like. The wiring connection box 1 is often used by being housed in a case or the like as disclosed in the publication.
【００１５】配線接続箱１は、配線基板２とモールド材
１３のいずれも軟性であるから、配線接続箱１全体も可
撓性を有するようになり、外部接続端子４を支持する位
置も変形し得るようになる。このため、外力または温度
変化等による応力によって外部接続端子４が変形するこ
とを防止することができ、コネクタの着脱困難等の不都
合が解消される。更に、配線接続箱１全体がフレキシブ
ルで可撓性を有しているため、車体への組付けが容易に
なり、作業性が向上する。フラットな配線基板２の任意
な位置に外部接続端子４を配設できるので、回路設計時
の自由度が向上し、回路の共通化を図ることができ、製
造工程の簡素化が可能になる。また、配線接続箱１全体
が軟質モールド材１３によりモールドされているので、
耐水性に優れたものになる。更に、全体を薄型に構成し
得るので、実装密度の向上を図り得る等の種々の効果を
奏する。Since both the wiring board 2 and the molding material 13 of the wiring connection box 1 are soft, the entire wiring connection box 1 becomes flexible, and the position for supporting the external connection terminals 4 is also deformed. I will get it. Therefore, it is possible to prevent the external connection terminal 4 from being deformed due to an external force or a stress caused by a temperature change, and it is possible to eliminate the inconvenience such as the difficulty of attaching and detaching the connector. Furthermore, since the wiring junction box 1 as a whole is flexible and flexible, it can be easily assembled to the vehicle body and the workability is improved. Since the external connection terminals 4 can be arranged at arbitrary positions on the flat wiring board 2, the degree of freedom in designing the circuit is improved, the circuit can be shared, and the manufacturing process can be simplified. In addition, since the entire wiring connection box 1 is molded with the soft molding material 13,
It has excellent water resistance. Further, since the whole structure can be made thin, various effects such as improvement of mounting density can be achieved.
【００１６】以上に本発明の実施例を説明したが、本発
明は前記に限定されるものではなく、種々の変形が可能
である。例えば、モールドする配線基板は複数に限定さ
れず一枚でもよい。更に、外部接続端子とは別に、積層
した各配線基板の回路パターンを接続するように構成し
てもよい。Although the embodiments of the present invention have been described above, the present invention is not limited to the above, and various modifications can be made. For example, the number of wiring boards to be molded is not limited to one and may be one. Further, in addition to the external connection terminal, the circuit patterns of the laminated wiring boards may be connected.
【００１７】[0017]
【発明の効果】以上に説明したように、本発明に係る配
線接続箱は、所望枚数の可撓性を有する配線基板を軟質
モールド材でモールドするとともに、前記配線基板の回
路パターンに接続された外部接続端子を外部接続可能に
前記軟質モールド材の外部に突出させたものである。従
って、配線接続箱全体がフレキシブルになり、外力や熱
による応力に対する追従性が生じ、高信頼性の確保及び
組付け性の向上が得られる。また、設計の自由度も向上
するうえに製造工程を簡略化することができ、量産工程
におけるコストダウンを図ることができる。As described above, in the wiring junction box according to the present invention, a desired number of flexible wiring boards are molded with a soft molding material and connected to the circuit pattern of the wiring board. The external connection terminal is projected to the outside of the soft mold material so as to be externally connectable. Therefore, the wiring junction box as a whole becomes flexible, and the followability to the stress due to the external force or the heat is generated, so that the high reliability can be secured and the assembling property can be improved. In addition, the degree of freedom in design can be improved, the manufacturing process can be simplified, and the cost can be reduced in the mass production process.
【図１】本発明の実施例である配線接続箱の一部切り欠
き斜視図である。FIG. 1 is a partially cutaway perspective view of a wiring connection box that is an embodiment of the present invention.
【図２】配線基板の斜視図である。FIG. 2 is a perspective view of a wiring board.
【図３】外部接続端子を接続した配線基板の斜視図であ
る。FIG. 3 is a perspective view of a wiring board to which external connection terminals are connected.
【図４】外部接続端子の接続を示す要部の斜視図であ
る。FIG. 4 is a perspective view of a main part showing the connection of external connection terminals.
【図５】モールド工程を示す斜視図である。FIG. 5 is a perspective view showing a molding step.
【図６】配線接続箱の一部拡大断面図である。FIG. 6 is a partially enlarged cross-sectional view of a wiring junction box.
【図７】従来の配線接続箱の内部構成を示す斜視図であ
る。FIG. 7 is a perspective view showing an internal configuration of a conventional wiring junction box.
【図８】従来の配線接続箱の組立て工程を示す斜視図で
ある。FIG. 8 is a perspective view showing a process of assembling a conventional wiring connection box.
【図９】従来の配線接続箱の組立て工程を示す斜視図で
ある。FIG. 9 is a perspective view showing an assembly process of a conventional wiring connection box.
【図１０】従来の配線接続箱の構造を示す側面図であ
る。FIG. 10 is a side view showing the structure of a conventional wiring junction box.
【図１１】従来の配線接続箱のモールドを示す断面図で
ある。FIG. 11 is a cross-sectional view showing a mold of a conventional wiring connection box.
１ 配線接続箱 ２ 配線基板 ３ 回路パターン ４ 外部接続端子 １１ 金型 １２ 充填部 1 Wiring connection box 2 Wiring board 3 Circuit pattern 4 External connection terminal 11 Mold 12 Filling part
Claims (1)
可撓性のある配線基板を、前記外部接続端子を外部接続
可能に突出させた形状で軟質モールド材によりモールド
したことを特徴とする配線接続箱。1. A wiring connection characterized in that a flexible wiring board having external connection terminals connected to a circuit pattern is molded by a soft molding material in a shape in which the external connection terminals are projected so as to be externally connectable. box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5036199A JP2849888B2 (en) | 1993-02-02 | 1993-02-02 | Wiring junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5036199A JP2849888B2 (en) | 1993-02-02 | 1993-02-02 | Wiring junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06233433A true JPH06233433A (en) | 1994-08-19 |
| JP2849888B2 JP2849888B2 (en) | 1999-01-27 |
Family
ID=12463068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5036199A Expired - Lifetime JP2849888B2 (en) | 1993-02-02 | 1993-02-02 | Wiring junction box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2849888B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008220165A (en) * | 2004-03-31 | 2008-09-18 | Mitsubishi Cable Ind Ltd | Joint box using circuit board |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01121265U (en) * | 1988-02-09 | 1989-08-17 |
-
1993
- 1993-02-02 JP JP5036199A patent/JP2849888B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01121265U (en) * | 1988-02-09 | 1989-08-17 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008220165A (en) * | 2004-03-31 | 2008-09-18 | Mitsubishi Cable Ind Ltd | Joint box using circuit board |
| EP1737282A4 (en) * | 2004-03-31 | 2010-05-05 | Mitsubishi Cable Ind Ltd | Circuit board, its manufacturing method, and joint box using circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2849888B2 (en) | 1999-01-27 |
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