JPH055797Y2 - - Google Patents
Info
- Publication number
- JPH055797Y2 JPH055797Y2 JP5985587U JP5985587U JPH055797Y2 JP H055797 Y2 JPH055797 Y2 JP H055797Y2 JP 5985587 U JP5985587 U JP 5985587U JP 5985587 U JP5985587 U JP 5985587U JP H055797 Y2 JPH055797 Y2 JP H055797Y2
- Authority
- JP
- Japan
- Prior art keywords
- busbar circuit
- box body
- water
- inner bottom
- inclined surface
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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、自動車などの電気配線に使用する電
気接続箱の内部に水が侵入し、電気接続箱の箱本
体の内底面に落ちこんで、最下層のブスバー回路
と上記箱本体内底面の間に滞留し、最下層のブス
バー回路に生ずるリーク電流を防止することので
きる電気接続箱に関する。[Detailed description of the invention] [Industrial application field] This invention prevents water from entering the inside of an electrical junction box used for electrical wiring in automobiles, etc., and falling into the inner bottom surface of the box body of the electrical junction box. The present invention relates to an electrical connection box that can prevent leakage current that accumulates between the busbar circuit in the lowest layer and the bottom surface of the box main body and occurs in the busbar circuit in the lowest layer.
ジヤンクシヨンボツクスやリレーボツクスなど
の電気接続箱は、一般に第５図に示すような構成
を有する。
Electrical junction boxes such as junction boxes and relay boxes generally have a configuration as shown in FIG.
同図において、１は表裏両面にブスバー回路２
を配設したブスバー回路板で、３はリレー等を接
続するコネクタハウジング４を設けた表カバーで
ある。 In the same figure, 1 has busbar circuits 2 on both the front and back sides.
3 is a front cover provided with a connector housing 4 for connecting relays and the like.
ブスバー回路板１のブスバー回路２よりタブ端
子５、或は５Ａがブスバー回路板１の上方或は下
方に突出される。 A tab terminal 5 or 5A is projected from the busbar circuit 2 of the busbar circuit board 1 above or below the busbar circuit board 1.
そして、タブ端子５がブスバー回路板１上に重
ね合わさる表カバー３に設けられたコネクタハウ
ジング４内に、或いはタブ端子５Ａが箱本体６の
内底面６ａに設けられたコネクタハウジング９に
挿入される（第６図参照）。 Then, the tab terminal 5 is inserted into the connector housing 4 provided on the front cover 3 overlaid on the busbar circuit board 1, or the tab terminal 5A is inserted into the connector housing 9 provided on the inner bottom surface 6a of the box body 6. (See Figure 6).
表カバー３及びブスバー回路板１は箱本体６の
内部に収容され、箱本体６の上部開口に防水カバ
ー７が組付けられる。 The front cover 3 and the busbar circuit board 1 are housed inside the box body 6, and the waterproof cover 7 is attached to the upper opening of the box body 6.
第６図は箱本体６内に収容された表カバー３及
びブスバー回路板１を示し、ブスバー回路板１は
上下面にそれぞれブスバー回路２Ａ，２Ｂが設け
られた場合を示す。 FIG. 6 shows the front cover 3 and the busbar circuit board 1 housed in the box body 6, and shows the case where the busbar circuit board 1 is provided with busbar circuits 2A and 2B on its upper and lower surfaces, respectively.
表カバー３に設けられたコネクタハウジング４
には、雌−雌端子８が上方より嵌着されたタブ端
子５が挿入される。 Connector housing 4 provided on front cover 3
The tab terminal 5, into which the female-female terminal 8 is fitted from above, is inserted.
従つて、コネクタハウジング４の端子収容室４
ａは、第７図に示すように、縦方向に貫通してお
り、水（或は水蒸気）が矢印Ｃ方向から端子収容
室４ａを経由して内部に侵入し、更に、ブスバー
回路板１に穿設されたタブ端子５の貫通する孔１
ａ内に落下し、箱本体６の内底面６ａに滞留し、
最下層のブスバー回路２Ｂと内底面６ａと挟圧さ
れた水滴Ｇとなる。 Therefore, the terminal housing chamber 4 of the connector housing 4
As shown in FIG. Hole 1 through which the drilled tab terminal 5 passes
a, and stays on the inner bottom surface 6a of the box body 6,
A water droplet G is formed between the busbar circuit 2B in the lowermost layer and the inner bottom surface 6a.
又、表カバー３の両端縁と箱本体６の内壁面と
の隙間に、第６図における矢印Ｄで示すように、
水（或は水蒸気）が侵入することがあり、その大
部分は箱本体６の内壁面に沿つて落下し、内壁面
と内底面６ａの交叉する隅部に穿設された排水口
６ｂの外部に排出されるが、一部の水はブスバー
回路２Ｂと内底面６ａとの隙間に侵入して滞留す
る。 Also, in the gap between both edges of the front cover 3 and the inner wall surface of the box body 6, as shown by arrow D in FIG.
Water (or water vapor) may enter, and most of it falls along the inner wall surface of the box body 6, and the outside of the drain port 6b bored at the corner where the inner wall surface and the inner bottom surface 6a intersect. However, some of the water enters the gap between the busbar circuit 2B and the inner bottom surface 6a and remains there.
とくに、自動車のエンジンルームでは、雨水等
が飛び込んだり、大きな温度変化によつて結露を
生じるため上記のように水の侵入する事態が起り
易い。 Particularly, in the engine room of an automobile, rainwater or the like may enter the engine room, and condensation may occur due to large temperature changes, so water intrusion as described above is likely to occur.
又、第７図に示すように、最下層のブスバー回
路２Ｂと内底面６ａとの隙間Ｓは水滴Ｇの表面張
力による水滴高さよりも小さく、水滴Ｇはブスバ
ー回路２Ｂと内底面６ａと挟圧されて生ずる摩擦
力により排除が極めて困難となる。 Furthermore, as shown in FIG. 7, the gap S between the busbar circuit 2B on the lowest layer and the inner bottom surface 6a is smaller than the height of the water droplet G due to the surface tension of the water droplet G, and the water droplet G is under pressure between the busbar circuit 2B and the inner bottom surface 6a. The resulting frictional force makes removal extremely difficult.
本考案はかかる問題点に着目してなされたもの
で、箱本体の内底面に滞留した水の排水を容易に
すると共に、最下層のブスバー回路間にリーク電
流が生ずることを防止することのできる電気接続
箱を提供するものである。 The present invention has been developed in view of these problems, and makes it easy to drain water accumulated on the inner bottom surface of the box body, as well as to prevent leakage current from occurring between the busbar circuits at the bottom layer. The present invention provides an electrical connection box.
本考案は、ブスバー回路板などの配線板と、該
配線板の上に重合される表カバーとを箱本体の内
部に収容する電気接続箱において、上記箱本体に
内底壁に水滴が流れ落ちる角度を有する傾斜面を
設け、該傾斜面上に上方に突出する間隔保持片を
立設し、該間隔保持片に接する上記配線板の下面
に設けられたブスバー回路と上記傾斜面との間に
形成される最小間隔を水滴の高さよりも大きい寸
法とした。
The present invention provides an electrical connection box in which a wiring board such as a busbar circuit board and a front cover superimposed on the wiring board are housed inside the box body, and the angle at which water droplets fall onto the inner bottom wall of the box body is A spacer is provided on the slanted surface, and a spacer is provided on the slanted surface, and a spacer is provided on the slanted surface, and a spacer is formed between the busbar circuit provided on the lower surface of the wiring board in contact with the spacer and the slanted surface. The minimum interval between droplets was set to be larger than the height of the water droplet.
電気接続箱内に侵入し箱本体の内底面に落ちた
水滴は、内底面に設けられた傾斜面が水滴の落ち
る角度に形成されているので、傾斜面に沿つて最
下部に流れ落ち、最下部に設けられた排水口より
外部に排出するため、箱本体の内底面上に滞留す
ることはない。
Water droplets that enter the electrical connection box and fall on the inner bottom surface of the box body will flow down to the bottom along the slope because the slope provided on the inner bottom surface is formed at an angle where the water droplets will fall. Since the water is discharged to the outside from the drain port provided in the box, it does not accumulate on the inner bottom surface of the box body.
又、箱本体の内底面と最下層のブスバー回路と
の隙間は、表面張力により球状化した水滴の高さ
寸法より大であるため、ブスバー回路にリーク電
流が発生する虞れはない。 Furthermore, since the gap between the inner bottom surface of the box body and the busbar circuit at the bottom layer is larger than the height of a water droplet that has become spherical due to surface tension, there is no risk of leakage current occurring in the busbar circuit.
本考案の実施例を図面を参照して説明する。 Embodiments of the present invention will be described with reference to the drawings.
なお、従来例と同一部品には同一符号を付す。 Note that the same parts as in the conventional example are given the same reference numerals.
第１図及び第２図に示すように、ブスバー回路
板１及び表カバー３は箱本体６の内底面に設けら
れたコネクタハウジング９上に載置され、コネク
タハウジング９の内部には、ブスバー回路２Ａ或
は２Ｂから下方に突出されるタブ端子５Ａが収容
される。 As shown in FIGS. 1 and 2, the busbar circuit board 1 and the front cover 3 are placed on a connector housing 9 provided on the inner bottom surface of the box body 6, and the inside of the connector housing 9 has a busbar circuit. A tab terminal 5A protruding downward from 2A or 2B is accommodated.
そして、箱本体６の内底面は中央部から箱本体
６の側壁６ｃに向つて低くなる傾斜面６ｄが設け
られ、最下部に排水口６ｂが設けられる。 The inner bottom surface of the box body 6 is provided with an inclined surface 6d that becomes lower from the center toward the side wall 6c of the box body 6, and a drain port 6b is provided at the lowest part.
傾斜面６ｄの傾斜角度は、傾斜面６ｄ上の水滴
Ｇが自然落下するように、約５度以上の角度に設
定される。 The inclination angle of the inclined surface 6d is set to an angle of about 5 degrees or more so that the water droplets G on the inclined surface 6d fall naturally.
傾斜面６ｄは、第３図に示すように、中央に向
つて低くなる２つの傾斜面６ｅを突き合せた形状
とし、底部に排水口６ｂを設けたものとすること
ができるし、又、第４図に示すように、中央に向
つて低くなる４つの傾斜面６ｆを突き合わせた形
状とし、底部に排水口６ｂを設けたものであつて
もよい。 As shown in FIG. 3, the sloped surface 6d may have a shape in which two sloped surfaces 6e that become lower toward the center are butted against each other, and a drain port 6b may be provided at the bottom. As shown in FIG. 4, it may have a shape in which four inclined surfaces 6f that become lower toward the center are butted against each other, and a drain port 6b is provided at the bottom.
いずれの形状の傾斜面の場合にも、第１図及び
第２図に示すように、傾斜面６ｄの複数箇所によ
り、先端面の高さがコネクタハウジング９の上面
と同一レベルをなす略円柱形状の間隔保持片１０
が立設されるが、この場合、コネクタハウジング
９も間隔保持片の作用を行う。 In the case of any shape of the inclined surface, as shown in FIG. 1 and FIG. spacing piece 10
In this case, the connector housing 9 also functions as a spacing piece.
従つて、ブスバー回路板１は間隔保持片１０に
載置され、ブスバー回路板１の下面に設けられた
ブスバー回路２Ｂと傾斜面６ｄとの隙間ｄは、表
面張力により球状化した水滴Ｇの高さ寸法（約５
mm）より大きい６mm以上に設定される。 Therefore, the busbar circuit board 1 is placed on the spacing piece 10, and the gap d between the busbar circuit 2B provided on the lower surface of the busbar circuit board 1 and the inclined surface 6d is such that the height of the water droplet G, which has become spherical due to surface tension, is Size (approx. 5
mm) is set to 6 mm or more.
電気接続箱のその他の構造は従来のものと同様
である。 The rest of the structure of the electrical junction box is the same as the conventional one.
以上のように構成された電気接続箱に、第２図
に示すように、矢印Ｃ方向から端子収容室４ａへ
侵入した水は、ブスバー回路１に設けられたタブ
端子挿入孔１ａを経て傾斜面６ｄに落下し、傾斜
面６ｄを流れ落ちて排水口６ｂより外部へ排出さ
れる。 As shown in FIG. 2, water that enters the terminal housing chamber 4a from the direction of arrow C into the electrical junction box configured as described above passes through the tab terminal insertion hole 1a provided in the busbar circuit 1, and then flows through the inclined surface. 6d, flows down the slope 6d, and is discharged to the outside from the drain port 6b.
又、矢印Ｄで示すように、表カバー３の端部と
側壁６ｃとの間を通つて侵入する水は、同様に排
水口６ｂより外部へ排出される。 Further, as shown by arrow D, water that enters between the end of the front cover 3 and the side wall 6c is similarly discharged to the outside from the drain port 6b.
しかも、傾斜面６ｄとブスバー回路２Ｂとの最
小隙間ｄは水滴Ｇの最大高さ寸法より大きいの
で、ブスバー回路２Ｂに水滴が滞留してリーク電
流を生ずる虞れはない。 上記の最小隙間ｄは、
間隔保持片１０及びコネクタハウジング９によつ
て保持されたが、複数のコネクタハウジングによ
つて最小隙間を保持してもよい。 Moreover, since the minimum gap d between the inclined surface 6d and the busbar circuit 2B is larger than the maximum height dimension of the water droplet G, there is no risk of water droplets staying in the busbar circuit 2B and causing leakage current. The above minimum gap d is
Although the spacing is maintained by the spacing piece 10 and the connector housing 9, the minimum gap may be maintained by a plurality of connector housings.
本考案は、電気接続箱の箱本体内底壁を水滴が
流れ落ちる傾斜角度とすることにより、内底壁に
落下する水を滞留させることなく外部へ排出し、
且つ、最下層のブスバー回路と傾斜面との隙間が
水滴の高さ以上であるため、最下層のブスバー回
路に水が接触してリーク電流を起こす虞れはな
い。
In this invention, by making the bottom wall of the electrical junction box's box body slanted at an angle that allows water droplets to flow down, the water that falls on the inner bottom wall is discharged to the outside without stagnation.
Moreover, since the gap between the busbar circuit at the bottom layer and the inclined surface is greater than the height of the water drop, there is no risk of water coming into contact with the busbar circuit at the bottom layer and causing leakage current.
第１図〜第４図は本考案の実施例を示し、第１
図は電気接続箱の縦断面図、第２図は間隔保持片
と水滴の関係を示す同上の要部断面図、第３図及
び第４図は傾斜面形状の他の実施例を示す斜視
図、第５図は電気接続箱の主要構成部品の斜視
図、第６図は従来例における電気接続箱の縦断面
図、第７図は侵入した水滴の状態を示す同上の要
部縦断面図である。
１……ブスバー回路板、２，２Ａ，２Ｂ……ブ
スバー回路、３……表カバー、４，９……コネク
タハウジング、５……タブ端子、６……箱本体、
６ｂ……排水口、６ｃ……側壁、、６ｄ，６ｅ，
６ｆ……傾斜面、７……防水カバー、８……雌−
雌端子、１０……間隔保持片、Ｇ……水滴。
1 to 4 show embodiments of the present invention.
The figure is a longitudinal cross-sectional view of the electrical connection box, Figure 2 is a cross-sectional view of the same main part showing the relationship between the spacing piece and water droplets, and Figures 3 and 4 are perspective views showing other embodiments of the inclined surface shape. , Fig. 5 is a perspective view of the main components of the electrical junction box, Fig. 6 is a vertical cross-sectional view of the electrical junction box in the conventional example, and Fig. 7 is a longitudinal cross-sectional view of the main parts of the same as above, showing the state of water droplets that have entered. be. 1... Busbar circuit board, 2, 2A, 2B... Busbar circuit, 3... Front cover, 4, 9... Connector housing, 5... Tab terminal, 6... Box body,
6b...Drain port, 6c...Side wall, 6d, 6e,
6f...Slanted surface, 7...Waterproof cover, 8...Female-
Female terminal, 10... Spacing piece, G... Water drop.
Claims (1)
に重合される表カバーとを箱本体の内部に収容す
る電気接続箱において、上記箱本体の内底壁に水
滴が流れ落ちる角度を有する傾斜面を設け、該傾
斜面上に上方に突出する間隔保持片を立設し、該
間隔保持片に接する上記配線板の下面に設けられ
たブスバー回路と上記傾斜面との間に形成される
最小間隔が水滴の高さよりも大きい寸法であるこ
とを特徴とする電気接続箱。 In an electrical connection box in which a wiring board such as a busbar circuit board and a front cover superimposed on the wiring board are housed inside a box body, an inclined surface having an angle at which water droplets flow down on the inner bottom wall of the box body. and a distance maintaining piece that protrudes upwardly on the inclined surface, and a minimum distance formed between the busbar circuit provided on the lower surface of the wiring board in contact with the distance maintaining piece and the inclined surface. An electrical junction box characterized in that the dimension is larger than the height of a water drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5985587U JPH055797Y2 (en) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5985587U JPH055797Y2 (en) | 1987-04-22 | 1987-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63167326U JPS63167326U (en) | 1988-10-31 |
| JPH055797Y2 true JPH055797Y2 (en) | 1993-02-16 |
Family
ID=30891741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5985587U Expired - Lifetime JPH055797Y2 (en) | 1987-04-22 | 1987-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055797Y2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0750830Y2 (en) * | 1989-09-15 | 1995-11-15 | 住友電装株式会社 | Drainage structure of junction box |
| JP2554641Y2 (en) * | 1992-03-18 | 1997-11-17 | 古河電気工業株式会社 | Drainage structure of electrical junction box |
| JP5173596B2 (en) * | 2008-05-27 | 2013-04-03 | 株式会社オートネットワーク技術研究所 | Electrical junction box |
| JP6345972B2 (en) | 2014-04-21 | 2018-06-20 | 矢崎総業株式会社 | Electronic component unit |
| JP6349159B2 (en) * | 2014-06-06 | 2018-06-27 | 矢崎総業株式会社 | Electronic component unit |
| JP6536425B2 (en) * | 2016-02-17 | 2019-07-03 | 株式会社デンソー | Power converter |
| JP2020077557A (en) * | 2018-11-09 | 2020-05-21 | 小島プレス工業株式会社 | On-vehicle connector |
| JP2020132000A (en) * | 2019-02-21 | 2020-08-31 | 住友電装株式会社 | Electronic module |
-
1987
- 1987-04-22 JP JP5985587U patent/JPH055797Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63167326U (en) | 1988-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0615457Y2 (en) | Electrical junction box | |
| US4952753A (en) | Electric connection box | |
| JP5173596B2 (en) | Electrical junction box | |
| JPH0731513Y2 (en) | Electrical junction box | |
| US20100326690A1 (en) | Electrical junction box | |
| JPH055797Y2 (en) | ||
| JPH0332373U (en) | ||
| JP2575981Y2 (en) | Drainage structure of electrical junction box | |
| JPS63167329U (en) | ||
| JP2001118628A (en) | Connector | |
| JP2000102138A (en) | Electrical junction box | |
| JP6604519B2 (en) | Board unit | |
| JPH0353538Y2 (en) | ||
| JPH0353540Y2 (en) | ||
| JPS6374027U (en) | ||
| JP3334642B2 (en) | Electrical junction box | |
| JPH0357057Y2 (en) | ||
| JP3334104B2 (en) | Waterproof structure of electrical junction box junction | |
| JPH0733540Y2 (en) | Electrical junction box | |
| JPH0736426Y2 (en) | Electrical junction box | |
| JP2554640Y2 (en) | Electrical junction box | |
| JPH0161823U (en) | ||
| JPH0649063Y2 (en) | Electrical junction box | |
| JPH0716290U (en) | Fire detector drainage structure | |
| JPH0756566Y2 (en) | Electrical junction box |