JPH073589Y2 - Connection structure between electric junction box and electronic unit - Google Patents
Connection structure between electric junction box and electronic unitInfo
- Publication number
- JPH073589Y2 JPH073589Y2 JP4685590U JP4685590U JPH073589Y2 JP H073589 Y2 JPH073589 Y2 JP H073589Y2 JP 4685590 U JP4685590 U JP 4685590U JP 4685590 U JP4685590 U JP 4685590U JP H073589 Y2 JPH073589 Y2 JP H073589Y2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- relay terminal
- tab
- elastic contact
- electronic unit
- 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 - Fee Related
Links
Landscapes
- Connection Or Junction Boxes (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、電気接続箱と電子ユニットとの接続構造、と
くに微小電流用回路の接続構造に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a connection structure between an electric junction box and an electronic unit, and more particularly to a connection structure for a circuit for minute current.
従来、自動車の電装回路の接続には、第５図のような電
気接続箱Ａが用いられているが、近年、車載電装品の数
が益々増加する傾向にあり、プリント配線板１に種々の
電子素子２を組み込んだ電子ユニットＢを搭載して、こ
れら電装品の集中制御を行なう例が多くなった。Conventionally, an electric connection box A as shown in FIG. 5 has been used to connect an electric circuit of an automobile, but in recent years, the number of in-vehicle electric components tends to increase more and more. There are many examples in which the electronic unit B incorporating the electronic element 2 is mounted to perform centralized control of these electric components.
このような電気接続箱Ａと電子ユニットＢとの電気的接
続構造として、第６図ａおよび第７図に示すように、中
継端子３を介してブスバー４のタブ５と上記配線板１の
端部の接続板部６とを接続させるものがある（実開昭63
−63988号公報）。As shown in FIGS. 6a and 7 as an electrical connection structure between the electric junction box A and the electronic unit B, the tab 5 of the bus bar 4 and the end of the wiring board 1 are connected via the relay terminal 3. There is one that connects the connection plate part 6 of the part
No. 63988).
すなわち、接続板部６は中継端子３の固定板3aと第１弾
性接触板3bの間に嵌挿され、タブ５はその反対側から固
定板3aと第２弾性接触板3cとの間に嵌挿され、接続板部
６は点Ｐで接触している。なお、７は電気接続箱Ａの上
部絶縁ケース、８はブスバー４の絶縁基板、９はユニッ
ト嵌合枠、10は嵌合枠内に形成された端子収容室であ
る。That is, the connection plate portion 6 is fitted and inserted between the fixed plate 3a and the first elastic contact plate 3b of the relay terminal 3, and the tab 5 is fitted between the fixed plate 3a and the second elastic contact plate 3c from the opposite side. The connection plate portion 6 is inserted and contacts at a point P. Reference numeral 7 is an upper insulating case of the electric junction box A, 8 is an insulating substrate of the bus bar 4, 9 is a unit fitting frame, and 10 is a terminal accommodating chamber formed in the fitting frame.
上記接続構造において、プリント配線板１の導体回路の
多くは通常1A未満の微小電流用の回路である。従って、
接続板部６の上記接触点Ｐは、微振動や異種材料間の線
膨張率の違いによる微摺動摩耗の影響を受けやすく、接
触抵抗の増大につながり、機器の誤作動を引き起こすお
それがある。In the above connection structure, most of the conductor circuits of the printed wiring board 1 are circuits for a small current of usually less than 1A. Therefore,
The contact point P of the connection plate portion 6 is easily affected by slight vibration or slight sliding wear due to a difference in linear expansion coefficient between different materials, which may lead to increase in contact resistance and cause malfunction of the device. .
すなわち、プリント配線板１は、一般にガラス繊維入り
エポキシ樹脂や紙・フェノール樹脂などの樹脂板に銅箔
（35〜40μ）よりなる回路を印刷配線し、接続板部６で
はその上に数μ程度の錫メッキを施して形成される。That is, the printed wiring board 1 generally has a circuit made of copper foil (35 to 40 μ) printed and printed on a resin plate such as epoxy resin containing glass fiber, paper, phenol resin, etc. It is formed by applying tin plating.
一般に、樹脂材の線膨張率（β１）は銅などの金属材の
それ（β２）と比べてなるかに大きく（β１≫β２）、
温度の上下により伸縮しやすい。また、中継端子３は第
６図ａのように、絶縁基板８や端子収容室10により上下
方向への移動が規制された状態にある。Generally, the linear expansion coefficient (β 1 ) of a resin material is much larger than that (β 2 ) of a metal material such as copper (β 1 >> β 2 ),
It easily expands and contracts depending on the temperature. Further, the relay terminal 3 is in a state in which its movement in the vertical direction is restricted by the insulating substrate 8 and the terminal accommodating chamber 10 as shown in FIG. 6A.
従って、固定板3aと第１弾性接触板3b間に嵌挿された接
続板部６の接続点Ｐは、高温側ではプリント配線板１の
伸びにより下方に移動し（第６図ｂ）、低温側では収縮
により上方に移動する（第６図ｃ）。この移動は、周囲
温度の変化により絶えず繰り返され、中継端子３は上記
規制により追従しにくい。Therefore, the connection point P of the connection plate portion 6 fitted between the fixed plate 3a and the first elastic contact plate 3b moves downward due to the expansion of the printed wiring board 1 on the high temperature side (Fig. 6b), and On the side, it moves upward due to contraction (Fig. 6c). This movement is constantly repeated due to changes in the ambient temperature, and the relay terminal 3 is difficult to follow due to the above regulation.
移動した接触部には、接触により表面が荒れた部分に酸
化被膜が生じ、再び移動して接触点となったときに、微
小電流ではその皮膜を破壊できず、接触抵抗の増加とな
ってあらわれる。In the moved contact part, an oxide film is generated on the surface roughened by the contact, and when it moves to the contact point again, the film cannot be destroyed by a minute current, and the contact resistance appears to increase. .
本考案は上記の問題点に着目してなされたものであり、
プリント配線板における接続板部の上記接触点の変動に
よる摩耗や酸化被膜の生成を抑え、安定した電気的接続
が得られる電気接続箱と電子ユニットの接続構造を提供
することを課題とする。The present invention was made in view of the above problems,
It is an object of the present invention to provide a connection structure between an electric connection box and an electronic unit, which suppresses abrasion and generation of an oxide film due to fluctuations of the contact point of a connection plate portion in a printed wiring board and can obtain stable electric connection.
〔課題を解決するための手段〕 前記の課題を達成するため、本考案にあっては、請求項
（１）に記載のように、電気接続箱におけるブスバーの
タブと、電子ユニットにおけるプリント配線板の接続板
部とを端子収容室に収納された中継端子を介して接続す
る構造であって、中継端子の固定板と第１弾性接触板と
の間に前記接続板部を嵌挿し、該固定板と第２弾性接触
板との間に前記タブを嵌挿して成る接続構造において、
第１弾性接触板の接続板部に対する弾性接触圧を第２弾
性接触板のタブに対する接触圧よりも大きく形成し、プ
リント配線板の温度変化による伸縮時に、中継端子を前
記タブに対してその伸縮方向に変位可能にしたことを特
徴とする。[Means for Solving the Problems] In order to achieve the above object, in the present invention, as described in claim (1), a tab of a bus bar in an electric connection box and a printed wiring board in an electronic unit. A connecting plate portion of the relay terminal is connected via a relay terminal housed in a terminal accommodating chamber, and the connecting plate portion is fitted between the fixing plate of the relay terminal and the first elastic contact plate, and the fixing is performed. In a connection structure formed by inserting the tab between the plate and the second elastic contact plate,
The elastic contact pressure of the first elastic contact plate with respect to the connecting plate portion is made larger than the contact pressure of the second elastic contact plate with respect to the tab, and when the printed wiring board expands and contracts due to temperature change, the relay terminal expands and contracts with respect to the tab. It is characterized in that it can be displaced in any direction.
また、請求項（２）に記載のように、タブとブスバーの
間に可撓性の薄肉部を設け、中継端子をプリント配線板
の伸縮に追従させるようにしてもよい。Further, as described in claim (2), a flexible thin portion may be provided between the tab and the bus bar so that the relay terminal follows the expansion and contraction of the printed wiring board.
さらに、中継端子の追従性をよくするため、中継端子を
支持するスペーサを設け、接続後にこのスペーサを解除
位置に移動させ、中継端子をフリー状態にしておくのも
有効である（請求項（３））。Further, in order to improve the followability of the relay terminal, it is also effective to provide a spacer for supporting the relay terminal and move the spacer to the release position after connection to leave the relay terminal in a free state (claim (3 )).
本考案によれば、中継端子がプリント配線板の接続板部
の温度変化による伸縮に追従してその伸縮方向に変位す
るから、接続板部と第１弾性接触板との接触部が変動せ
ず常に定点状態に保持される。According to the present invention, since the relay terminal follows the expansion and contraction due to the temperature change of the connection plate part of the printed wiring board and is displaced in the expansion and contraction direction, the contact part between the connection plate part and the first elastic contact plate does not change. It is always held at a fixed point.
従って、接触部の表面が荒れて酸化被膜が生じることに
よる抵抗増大や機器の誤作動を引き起こすおそれがな
く、信頼性が向上する。Therefore, there is no possibility that the resistance of the surface of the contact portion is roughened and an oxide film is generated to cause an increase in resistance or malfunction of the device, and the reliability is improved.
以下、上記構成および作用を実施例を示す図面を参照し
て具体的に説明する。Hereinafter, the above configuration and operation will be specifically described with reference to the drawings illustrating an embodiment.
第１図に電子ユニットを搭載した電気接続箱の斜視図、
第２図a,bに同上のタブと接続板部の中継端子による接
続部分の斜視図、第３図に中継端子の一部切欠斜視図、
第４図a,bに第２図a,bの接続部分の縦断面図を示した。
なお、従来と同一または同様の構成部材には従来例と同
一の符号を用いて説明する。FIG. 1 is a perspective view of an electric junction box equipped with an electronic unit,
2a and 2b are perspective views of a connecting portion of the above-mentioned tab and the connecting plate portion by the relay terminal, and FIG. 3 is a partially cutaway perspective view of the relay terminal.
FIGS. 4a and 4b are vertical sectional views of the connection portion of FIGS. 2a and 2b.
It should be noted that the same or similar constituent members as in the related art will be described using the same reference numerals as those in the related art.
これらの図において、電気接続箱Ａが上部絶縁ケース７
にユニット嵌合枠９を備え、該枠９に電子ユニットＢを
差し込んで、端子収容室10内の中継端子11を介してブス
バー４のタブ５とプリント配線板１の接続板部６とを電
気的に接続する基本構造は従来と同様であるが、本考案
にあっては、中継端子11および端子収容室10とタブ５に
考案が施されている。In these figures, the electrical junction box A is the upper insulating case 7
Is provided with a unit fitting frame 9, and the electronic unit B is inserted into the frame 9 to electrically connect the tab 5 of the bus bar 4 and the connecting plate portion 6 of the printed wiring board 1 via the relay terminal 11 in the terminal accommodating chamber 10. Although the basic structure of the connection is the same as the conventional one, in the present invention, the relay terminal 11, the terminal accommodating chamber 10 and the tab 5 are devised.
中継端子11は、第３図に示されるように、垂直な固定板
11cの前後両面を挟んで対向する第１弾性接触板11eと第
２弾性接触板11fと備え、第１弾性接触板11eのバネ力は
第２弾性接触板11fよりも十分大きく構成されている。As shown in FIG. 3, the relay terminal 11 is a vertical fixing plate.
The first elastic contact plate 11e is provided with a first elastic contact plate 11e and a second elastic contact plate 11f which are opposed to each other with the front and rear surfaces of the 11c interposed therebetween, and the spring force of the first elastic contact plate 11e is sufficiently larger than that of the second elastic contact plate 11f.
即ち、中継端子11は、中央に接続板部挿入部11bを開口
したほぼ凹字形の基板11a、該挿入部11bの一側縁から直
接に折曲形成された固定板11c、基板11aの両側の側板部
11a1と11a2の外側縁からそれぞれ直角に折曲形成されて
上記固定板11cと対向する第１背板11dと第２背板11
d′、両背板11d,11d′の上端からそれぞれ固定板11cに
向けて斜めに折返し形成された第１弾性接触板11eと第
２弾性接触板11f、第1,第２の背板11d,11d′の外側縁か
らそれぞれ固定板11cに向けて直角に折曲形成された側
板11g,11g′および第１背板11dの下端から固定板11c側
に折曲形成した底板11hにより構成されている。That is, the relay terminal 11 includes a substantially concave substrate 11a having a connection plate portion insertion portion 11b opened at the center, a fixed plate 11c directly bent from one side edge of the insertion portion 11b, and both sides of the substrate 11a. Side plate
A first back plate 11d and a second back plate 11 that are bent at right angles from the outer edges of 11a 1 and 11a 2 and face the fixed plate 11c.
d ', first elastic contact plate 11e and second elastic contact plate 11f, which are formed by obliquely folding back from the upper ends of both back plates 11d, 11d' toward fixed plate 11c, first and second back plates 11d, It is composed of side plates 11g and 11g 'which are bent at right angles from the outer edge of 11d' toward the fixed plate 11c, and a bottom plate 11h bent from the lower end of the first back plate 11d to the fixed plate 11c side. .
そして、第１弾性接触板11eには、その下端自由縁部を
背板11d側に折返し形成した弾性反力片11e1を設けるこ
とにより、第２弾性接触板11fのバネ力よりも強く形成
してある。Then, the first resilient contact plate 11e, by providing the lower free edge elastic reaction member 11e 1 which is folded forming the back plate 11d side, formed stronger than the spring force of the second resilient contact plate 11f There is.
なお、第２弾性接触板11fは、中央部が固定板11cとほゞ
接するように山形に屈曲して形成され、その下端自由縁
には背板11d′から外部に突出する案内片11f1が折曲形
成され、また、固定片11cの上端には背板11dから遠ざか
る方向に折曲形成された挿入案内片11c1が設けられてい
る。Note that the second resilient contact plate 11f, the central portion is formed by bending the chevron as ho Isuzu contact with the fixed plate 11c, the guide piece 11f 1 at its lower free edge which projects to the outside from the back plate 11d ' An insertion guide piece 11c 1 that is bent and formed and is bent and formed in a direction away from the back plate 11d is provided at the upper end of the fixed piece 11c.
また、ユニット嵌合枠９には、第１図および第２図a,b
に示すように、その外周壁に各端子収容室10を貫通する
横長の窓12が開設され、該窓12には角柱状のスペーサ13
が矢線L,Rのように左右摺動可能に装着されている。横
長の窓12は、第４図a,bに示されるように、上記収容室1
0の底部（絶縁基板８）に沿って設けられ、その一端部
（図面右側）には傾斜部12aを介してスペーサ収納部12b
が一段低く形成されている。In addition, the unit fitting frame 9 has a and b shown in FIG. 1 and FIG.
As shown in FIG. 5, a laterally long window 12 penetrating each terminal accommodating chamber 10 is opened on the outer peripheral wall thereof, and a prismatic spacer 13 is formed in the window 12.
Are mounted so that they can slide left and right as indicated by arrows L and R. As shown in FIGS. 4a and 4b, the horizontally long window 12 is provided in the accommodation chamber 1
It is provided along the bottom portion (insulating substrate 8) of 0, and one end portion (right side in the drawing) of the spacer accommodating portion 12b via the inclined portion 12a.
Are formed one step lower.
さらに、電気接続箱Ａ内において、ブスバー４から起立
連成されるタブ５の折曲部分は可撓性の薄肉部5aとして
形成されると共に、ブスバー４を上下で支持する絶縁基
板8,8′には薄肉部5aの上下の変位を許容する大きさの
タブ孔8aと凹部8a′が設けられている。タブ５の薄肉部
5aは、接続板部６と第１弾性接触板11e間、およびタブ
５と第２弾性接触板11f間の摩擦抵抗よりも小さい力で
弾性変位するように形成される。Further, in the electric connection box A, the bent portions of the tabs 5 standing upright from the bus bars 4 are formed as flexible thin-walled portions 5a, and the insulating substrates 8 and 8'which support the bus bars 4 vertically are provided. A tab hole 8a and a recess 8a 'having a size that allows the vertical displacement of the thin portion 5a are provided therein. Thin part of tab 5
5a is formed so as to be elastically displaced by a force smaller than the frictional resistance between the connecting plate portion 6 and the first elastic contact plate 11e and between the tab 5 and the second elastic contact plate 11f.
次に、中継端子11によるタブ５と接続板部６の接続につ
いて説明する（第２図a,b、第４図a,b）。Next, the connection between the tab 5 and the connecting plate portion 6 by the relay terminal 11 will be described (FIGS. 2a, 2b, 4a, b).
最初に、第２図a,第４図ａのようにスペーサ13を窓12の
左側に位置させて、ブスバー４のタブ５を中継端子11の
下方から固定板11cと第２弾性接触板11fとの間に嵌挿す
ることにより、中継端子11がスペーサ13により支持され
た状態とする。すなわち、電気接続箱Ａは、中継端子11
が端子収容室10において、スペーサ13により支持され、
かつタブ５と接続した状態で組み立てられる。First, as shown in FIGS. 2a and 4a, the spacer 13 is located on the left side of the window 12, and the tab 5 of the bus bar 4 is connected to the fixing plate 11c and the second elastic contact plate 11f from below the relay terminal 11. The relay terminal 11 is supported by the spacer 13 by being inserted between the two. That is, the electrical junction box A has the relay terminal 11
Is supported by the spacer 13 in the terminal accommodating chamber 10,
And it is assembled with the tab 5 connected.
次いで、前記ユニット嵌合枠９に電子ユニットＢを嵌合
すると、その接続板部６は中継端子11の固定板11cと第
１弾性接触板11eと間に進入し、該板11eとバネ圧により
弾性的に接触する。これにより、タブ５と接続板部６が
中継端子11を介して電気的に接続される。Then, when the electronic unit B is fitted into the unit fitting frame 9, the connecting plate portion 6 thereof enters between the fixing plate 11c of the relay terminal 11 and the first elastic contact plate 11e, and the plate 11e and the spring pressure cause the connecting plate portion 6 to enter. Contact elastically. As a result, the tab 5 and the connecting plate portion 6 are electrically connected via the relay terminal 11.
最後に、第２図ｂ、第４図ｂに示すように、スペーサ13
を窓12に沿って矢線Ｒ方向に摺動させ、傾斜部12aを経
てスペーサ収納部12bに移動、固定する。Finally, as shown in FIGS. 2b and 4b, the spacer 13
Is slid in the direction of the arrow R along the window 12, and is moved and fixed to the spacer accommodating portion 12b via the inclined portion 12a.
これにより、中継端子11はスペーサ13による支持から解
除され、フリー状態となる。このフリー状態で、電気接
続箱Ａと電子ユニットＢとを使用する。As a result, the relay terminal 11 is released from being supported by the spacer 13 and is in a free state. In this free state, the electric junction box A and the electronic unit B are used.
上記解除状態において、たとえばプリント配線板１（接
続板部６）が周囲温度の上昇または通電発熱により伸び
ると、第１弾性接触板11eの接続板部６に対する接触圧
（摩擦抵抗）が、第２弾性接触板11fのタブ５に対する
それよりも大きいから、中継端子11は仮想線で示される
ように接続板部６の伸びに追従して下方に移動する。In the released state, for example, when the printed wiring board 1 (connecting plate portion 6) expands due to an increase in ambient temperature or heat generation by energization, the contact pressure (friction resistance) of the first elastic contact plate 11e with respect to the connecting plate portion 6 increases to the second value. Since the elastic contact plate 11f is larger than that for the tab 5, the relay terminal 11 moves downward following the extension of the connecting plate portion 6 as shown by a virtual line.
従って、接続板部６と第１弾性接触板11eとの接触点
（または接触部）Ｑは変らず、一定に保持される。な
お、タブ５と第２弾性接触板11fとは接触点が移動する
が、プリント配線板の回路導体（銅箔）と異なり、電気
的影響は少ない。Therefore, the contact point (or contact portion) Q between the connecting plate portion 6 and the first elastic contact plate 11e does not change and is kept constant. Although the contact points of the tab 5 and the second elastic contact plate 11f move, unlike the circuit conductor (copper foil) of the printed wiring board, the electrical influence is small.
逆に、接続板部６が温度降下により縮んだ場合は、中継
端子11は上方に移動し、この場合も上記接触点Ｑは変ら
ない。On the contrary, when the connecting plate portion 6 contracts due to the temperature drop, the relay terminal 11 moves upward, and the contact point Q does not change even in this case.
さらに、タブ５は可撓性の薄肉部5aを有するので、該部
5aの弾性変位により中継端子11の接続板部６に対する追
従性が一層滑らかになる。Furthermore, since the tab 5 has a flexible thin portion 5a,
By the elastic displacement of 5a, the followability of the relay terminal 11 with respect to the connecting plate portion 6 becomes smoother.
従って、接続板部６の表面の荒れや酸化皮膜との接触に
よる抵抗増大、機器の誤作動などのトラブルを回避する
ことができる。Therefore, it is possible to avoid troubles such as roughness of the surface of the connecting plate portion 6, increase in resistance due to contact with the oxide film, and malfunction of equipment.
以上は、第１弾性接触板11eの接触圧を第２弾性接触板1
1fのそれより大にし、かつタブ５に薄肉部5aを設けると
いう二つの構成を同時に備える例について説明したが、
両者を分離しそれぞれ単独に設けてもよい。薄肉部5aを
単独に設ける場合には、前述のように、その弾性率を接
続板部６に対する第1,第２弾性接触板11e,11fの接触圧
より小とすることにより、接続板部６、中継端子11、タ
ブ５の接点を不変とすることができる。In the above, the contact pressure of the first elastic contact plate 11e is changed to the second elastic contact plate 1e.
An example has been described in which the size is larger than that of 1f and the tab 5 is provided with the thin portion 5a at the same time.
Both may be separated and provided independently. When the thin portion 5a is provided independently, the elastic modulus of the thin portion 5a is set to be smaller than the contact pressure of the first and second elastic contact plates 11e and 11f with respect to the connecting plate portion 6, as described above. The contacts of the relay terminal 11 and the tab 5 can be unchanged.
また、第１弾性接触板11eの接触圧を第２弾性接触板11f
のそれよりも大とするか、或いはタブ５に可撓性の薄肉
部5aを形成しておけば、スペーサ13とその窓12を省くこ
とが可能である。この場合には、たとえば、プリント配
線板１の接続板部６が予め十分に伸びた状態で中継端子
11と接続するよう初期条件を設定すればよく、中継端子
11は端子収容室10との寸法差（クリアランス）内で上下
に変位可能である。In addition, the contact pressure of the first elastic contact plate 11e is adjusted to the second elastic contact plate 11f.
It is possible to omit the spacer 13 and its window 12 by making it larger than that, or by forming the flexible thin portion 5a on the tab 5. In this case, for example, when the connecting plate portion 6 of the printed wiring board 1 is sufficiently extended in advance, the relay terminal is
You only need to set the initial conditions to connect with 11.
11 can be displaced up and down within a dimensional difference (clearance) from the terminal accommodating chamber 10.
以上説明したように、本考案によれば、プリント配線板
の接続板部の伸縮に追従して中継端子が移動するので、
その第１弾性接触板との接触部が変らず、微小電流回路
での安定した電気的接続状態が確保され、従来のように
接続板部表面の荒れ、酸化被膜の生成による接触抵抗の
増大、機器の誤動作といったトラブルが解消される。As described above, according to the present invention, the relay terminal moves in accordance with the expansion and contraction of the connection board portion of the printed wiring board.
The contact portion with the first elastic contact plate does not change, a stable electrical connection state is ensured in a minute current circuit, the surface of the connection plate portion is rough as in the conventional case, and the contact resistance is increased due to the formation of an oxide film, Trouble such as malfunction of equipment is solved.
第１図は本考案による電気接続箱と電子ユニットの嵌合
状態の斜視図、 第２図a,bはそれぞれ同上のタブと接続板部の中継端子
による接続部分の斜視図、 第３図は同上の中継端子を拡大して示す一部切欠斜視
図、 第４図a,bはそれぞれ第２図a,bに対応する接続部分の断
面図、 第５図は従来の電気接続箱と電子ユニットの嵌合状態の
一部切欠斜視図、 第６図ａ〜ｃはそれぞれ同上のタブと接続板部６の中継
端子による接続状態を示す断面図、 第７図は同上の中継端子の斜視図である。 Ａ……電気接続箱、Ｂ……電子ユニット、１……プリン
ト配線板、４……ブスバー、５……タブ、5a……薄肉
部、６……接続板部、10……端子収容室、11……中継端
子、11c……固定板、11e……第１弾性接触板、11f……
第２弾性接触板、12……窓、13……スペーサ。FIG. 1 is a perspective view of a state in which an electric junction box and an electronic unit according to the present invention are fitted to each other, FIGS. 2a and 2b are perspective views of a tab and a connecting terminal portion of a connecting plate, respectively, and a perspective view of FIG. Fig. 4 is a partially cutaway perspective view showing an enlarged relay terminal of the above, Fig. 4a and 4b are cross-sectional views of a connecting portion corresponding to Figs. 2a and 2b, respectively. Fig. 5 is a conventional electrical junction box and electronic unit. 6 is a partially cutaway perspective view of the fitted state of FIG. 6, FIGS. 6A to 6C are cross-sectional views showing a connection state by the relay terminal of the tab and the connection plate portion 6 respectively, and FIG. 7 is a perspective view of the relay terminal of the same. is there. A ... Electric junction box, B ... Electronic unit, 1 ... Printed wiring board, 4 ... Bus bar, 5 ... Tab, 5a ... Thin-walled part, 6 ... Connection plate part, 10 ... Terminal accommodating chamber, 11 …… Relay terminal, 11c …… Fixing plate, 11e …… First elastic contact plate, 11f ……
Second elastic contact plate, 12 ... Window, 13 ... Spacer.
Claims (3)
子ユニットにおけるプリント配線板の接続板部とを端子
収容室に収容された中継端子を介して接続する構造であ
って、中継端子の固定板と第１弾性接触板との間に前記
接続板部を嵌挿し、該固定板と第２弾性接触板との間に
前記タブを嵌挿して成る接続構造において、 第１弾性接触板の接続板部に対する弾性接触圧を第２弾
性接触板のタブに対する接触圧よりも大きく形成し、 プリント配線板の温度変化による伸縮時に、中継端子を
前記タブに対してその伸縮方向に変位可能にしたことを
特徴とする電気接続箱と電子ユニットの接続構造。1. A structure for connecting a tab of a bus bar in an electric connection box and a connecting plate portion of a printed wiring board in an electronic unit via a relay terminal housed in a terminal housing chamber, the fixing plate for the relay terminal being provided. And a first elastic contact plate, the connection plate portion is fitted and inserted, and the tab is fitted and inserted between the fixed plate and the second elastic contact plate. A connection plate of the first elastic contact plate The elastic contact pressure to the portion is made larger than the contact pressure to the tab of the second elastic contact plate so that the relay terminal can be displaced with respect to the tab in the expansion and contraction direction when the printed wiring board expands and contracts due to temperature change. The feature is the connection structure between the electrical junction box and the electronic unit.
子ユニットにおけるプリント配線板の接続板部とを端子
収容室に収容された中継端子を介して接続する構造であ
って、中継端子の固定板と第１弾性接触板との間に前記
接続板部を嵌挿し、該固定板と第２弾性接触板との間に
前記タブを嵌挿して成る接続構造において、 前記タブとブスバーとの間に可撓性の薄肉部を設け、 プリント配線板の温度変化による伸縮時に、中継端子を
その伸縮方向に変位可能にしたことを特徴とする電気接
続箱と電子ユニットの接続構造。2. A structure for connecting a tab of a bus bar in an electric connection box and a connecting plate portion of a printed wiring board in an electronic unit via a relay terminal housed in a terminal housing chamber, the fixing plate for the relay terminal being provided. And a first elastic contact plate, the connection plate portion is fitted and inserted, and the tab is fitted and inserted between the fixed plate and the second elastic contact plate. In the connection structure, between the tab and the bus bar. A connection structure between an electric junction box and an electronic unit, wherein a flexible thin portion is provided and the relay terminal can be displaced in the expansion / contraction direction when the printed wiring board expands / contracts due to temperature changes.
持位置と解除位置の間で移動可能にスペーサが設けられ
ている請求項（１）または（２）の電気接続箱と電子ユ
ニットの接続構造。3. An electric connection box and an electronic unit according to claim 1, wherein a spacer is provided at the bottom of the terminal accommodating chamber so as to be movable with respect to the relay terminal between a supporting position and a releasing position. Connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4685590U JPH073589Y2 (en) | 1990-05-07 | 1990-05-07 | Connection structure between electric junction box and electronic unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4685590U JPH073589Y2 (en) | 1990-05-07 | 1990-05-07 | Connection structure between electric junction box and electronic unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH048289U JPH048289U (en) | 1992-01-24 |
| JPH073589Y2 true JPH073589Y2 (en) | 1995-01-30 |
Family
ID=31562287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4685590U Expired - Fee Related JPH073589Y2 (en) | 1990-05-07 | 1990-05-07 | Connection structure between electric junction box and electronic unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073589Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52137189U (en) * | 1976-04-12 | 1977-10-18 | ||
| JP7115358B2 (en) * | 2019-02-26 | 2022-08-09 | 住友電装株式会社 | electronic module |
-
1990
- 1990-05-07 JP JP4685590U patent/JPH073589Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH048289U (en) | 1992-01-24 |
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|---|---|---|---|
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