JPH0733540Y2 - Electrical junction box - Google Patents
Electrical junction boxInfo
- Publication number
- JPH0733540Y2 JPH0733540Y2 JP1987061478U JP6147887U JPH0733540Y2 JP H0733540 Y2 JPH0733540 Y2 JP H0733540Y2 JP 1987061478 U JP1987061478 U JP 1987061478U JP 6147887 U JP6147887 U JP 6147887U JP H0733540 Y2 JPH0733540 Y2 JP H0733540Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- bus bar
- waterproof
- bar circuit
- water
- 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 40
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- 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
の内部に水が浸入した場合に、ブスバー等の板状体の表
面上の水滴を速やかに流れ落として箱本体の外部に排除
するとともに、流れ落ちる水滴が導電部材に当たらない
ようにした電気接続箱に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a water droplet on the surface of a plate-like body such as a bus bar when water enters the inside of an electric junction box used for electric wiring of an automobile or the like. The present invention relates to an electrical connection box in which water drops are quickly dropped and removed to the outside of the box body, and water drops that run down are prevented from hitting the conductive member.
ジャンクションボックスやリレーボックスなどの電気接
続箱は、一般に第３図に示すような構成になっている。An electric junction box such as a junction box or a relay box is generally constructed 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 figure, 1 is a busbar circuit board having busbar circuits 2 arranged on both front and back surfaces, and 3 is a front cover provided with a connector housing 4 for connecting a relay or the like.
ブスバー回路板１は通常は多段に積層され、各層のブス
バー回路板１のブスバー回路２よりタブ端子５が直立し
て設けられ、最上層のブスバー回路板１の上方に或は最
下層のブスバー回路板１の下方に突出される。The busbar circuit boards 1 are usually stacked in multiple stages, and the tab terminals 5 are provided upright from the busbar circuits 2 of the busbar circuit boards 1 of the respective layers. It is projected below the plate 1.
ブスバー回路板１上に重ね合わされる表カバー３に設け
られたコネクタハウジング４内に或は箱本体６の底壁6a
にもうけられたコネクタハウジング13内にタブ端子５が
挿入される。Inside the connector housing 4 provided on the front cover 3 which is superposed on the busbar circuit board 1 or the bottom wall 6a of the box body 6.
The tab terminal 5 is inserted into the connector housing 13 provided in the connector.
そして、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、箱本体６の下部には、第４図に示すよう
に、電気接続箱の底壁となるコネクタカバー８が組付け
られる。The front cover 3 and the bus bar circuit board 1 are housed inside the box body 6, a waterproof cover 7 is attached to the upper opening of the box body 6, and the bottom portion of the box body 6 is installed as shown in FIG. The connector cover 8 which is the bottom wall of the electric junction box is assembled.
以上のように、電気接続箱は、箱本体６の上下開口部を
防水カバー７及びコネクタカバー８で覆われているが、
隙間から水が浸入することがある。As described above, in the electrical junction box, the upper and lower openings of the box body 6 are covered with the waterproof cover 7 and the connector cover 8.
Water may infiltrate through the gap.
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って結露を生じたり、或
は、加圧水を用いた洗車により水が電気接続箱内に浸入
する事態が起り易い。In particular, in the engine room of an automobile, rainwater or the like is likely to splash, condensation may be caused by a large temperature change, or water may easily enter the electric junction box by car washing using pressurized water.
電気接続箱内に浸入した水は、表カバー３のコネクタハ
ウジング４の端子挿入孔より最上層ブスバー回路板１上
に滞留してブスバー回路２にリーク電流を発生させるこ
とがある。The water that has entered the electric connection box may stay on the uppermost busbar circuit board 1 through the terminal insertion hole of the connector housing 4 of the front cover 3 and cause a leak current in the busbar circuit 2.
これを防止するために、最上層のブスバー回路板１と表
カバー３との間に、端子５を嵌挿する孔9aを設けた防水
板９を設けて最上層のブスバー回路板１上に浸入する水
滴を遮断する方法（第３図の下部参照）や、或は、第４
図に示すように、電気接続箱を傾斜して設置することに
より内部のブスバー回路板等の上面に溜った水滴を流し
落とす方法などが考えられる。In order to prevent this, a waterproof plate 9 provided with a hole 9a for inserting the terminal 5 is provided between the uppermost busbar circuit board 1 and the front cover 3 to penetrate the uppermost busbar circuit board 1. Method to block water droplets (see the lower part of Fig. 3) or the fourth method
As shown in the figure, it is conceivable that the electric connection box is installed so as to be tilted so that the water droplets accumulated on the upper surface of the busbar circuit board or the like inside can be drained off.
そこで、電気接続箱を傾斜角θが約５度以上となるよう
に傾斜して内部のブスバー回路板等の板状体に同様の傾
斜角を与えると、第５図に示すように、板状体の上面に
溜った水を箱本体６の底壁6aの排水孔10に流し落とすこ
とができる。Therefore, when the electrical connection box is inclined so that the inclination angle θ is about 5 degrees or more and a similar inclination angle is given to the internal bus bar circuit board or the like, as shown in FIG. The water accumulated on the upper surface of the body can be dropped into the drain hole 10 of the bottom wall 6a of the box body 6.
しかし、ブスバー回路板１（防水板９を用いる場合には
防水板にも）の上面にはタブ端子５が突出しており、こ
れに雌−雌端子11が嵌着されるため、傾斜面上を流れ落
ちる水滴Ｇが雌−雌端子11に支えられて停止し、水滴Ｇ
がタブ端子５やブスバー回路にリーク電流を発生させる
虞れがある。However, the tab terminal 5 is projected on the upper surface of the bus bar circuit board 1 (and also the waterproof board when the waterproof board 9 is used), and the female-female terminal 11 is fitted to the tab terminal 5, so that the tab surface 5 is placed on the inclined surface. The falling water droplet G is supported by the female-female terminal 11 and stops, and the water droplet G
May cause a leak current in the tab terminal 5 and the bus bar circuit.
本考案はかかる問題点に着目してなされたもので、傾斜
したブスバー回路板等を流れ落ちる水滴がタブ端子のよ
うな導電体に接触することを防止して、リーク電流事故
を防止することのできる構造を有する電気接続箱を提供
するものである。The present invention has been made in view of such a problem, and it is possible to prevent a water drop that flows down an inclined bus bar circuit board or the like from contacting a conductor such as a tab terminal and prevent a leakage current accident. An electrical junction box having a structure is provided.
本考案は、ブスバー回路板などを箱本体内部に収容して
なる電気接続箱において、上記箱本体内のブスバー回路
板などの表面が水滴が流れ落ちる傾斜角を保つように電
気接続箱を設置するとともに、上記ブスバー回路板或は
ブスバー回路板上に設けられる防水板などの板状体に設
けられた導電部材及び貫通孔の周囲のうち、傾斜面の下
位側となる部分を除いて、水滴の浸入を防止する高さを
有する防水壁を突設し、上記傾斜面の下位側端縁の下方
に、上記箱本体を貫通する排水孔を設けた。The present invention relates to an electric connection box in which a bus bar circuit board or the like is housed inside a box body, and the electric connection box is installed so that the surface of the bus bar circuit board or the like inside the box body maintains an inclination angle at which water drops flow down. The invasion of water droplets in the periphery of the conductive member and the through-hole provided on the bus bar circuit board or the plate-shaped body such as the waterproof board provided on the bus bar circuit board, except for the portion on the lower side of the inclined surface. A waterproof wall having a height that prevents the above is provided, and a drain hole penetrating the box body is provided below the lower end edge of the inclined surface.
電気接続箱内に浸入した水は、水滴となってブスバー回
路板等の傾斜した板状体の上面に落下して傾斜面に沿っ
て流れ落ち、導電部材や貫通孔の周囲に突設された防水
壁に当る水滴のみ防水壁側面に停滞することはあるが、
その他の水滴はすべて傾斜面の下位側端縁の下方に設け
られた箱本体の底壁の排水孔を経由して外部へ排水され
る。The water that has entered the electrical junction box becomes water droplets and drops onto the upper surface of an inclined plate-like body such as a busbar circuit board, flows down along the inclined surface, and has a waterproof structure protruding around the conductive member and the through hole. Only water drops that hit the wall may stagnate on the side of the waterproof wall,
All other water drops are drained to the outside via the drain holes in the bottom wall of the box body provided below the lower edge of the inclined surface.
防水壁に当った水滴は防水壁に遮られて、板状体に突設
されたタブ端子などの導電部材に接触することはなく、
リーク電流の発生が防止される。Water droplets that hit the waterproof wall are blocked by the waterproof wall and do not come into contact with conductive members such as tab terminals protruding from the plate-like body,
Leak current is prevented from occurring.
本考案の実施例を図面を参照して説明する。 An embodiment 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。The same parts as those in the conventional example are designated by the same reference numerals.
板状体をなすブスバー回路板１は、第２図に示すよう
に、右側に向って低くなる傾斜角度をもって設置され、
傾斜角度は水滴Ｇが流れ落ちる角度として約５度以上に
設定されている。As shown in FIG. 2, the bus bar circuit board 1 forming a plate-like body is installed with an inclination angle that decreases toward the right side,
The inclination angle is set to about 5 degrees or more as the angle at which the water droplet G flows down.
ブスバー回路板１の上に板状体をなす防水板９（第３図
参照）を重ね合わせてブスバー回路板１上に水滴が落ち
ないようにするときは、防水板９は同じ傾斜角度を有す
る。When a waterproof plate 9 (see FIG. 3) forming a plate-like body is superposed on the busbar circuit board 1 to prevent water droplets from falling on the busbar circuit board 1, the waterproof board 9 has the same inclination angle. .
ブスバー回路板１の上面及び下面に設けられるブスバー
回路2A及び2Bから立上げられたタブ端子５（第１図参
照）には雌−雌端子11が嵌着される。Female-female terminals 11 are fitted to tab terminals 5 (see FIG. 1) raised from the busbar circuits 2A and 2B provided on the upper and lower surfaces of the busbar circuit board 1.
防水板９を用いる場合には、防水板９の孔9aを嵌挿した
タブ端子５に雌−雌端子11が嵌着される。When the waterproof plate 9 is used, the female-female terminal 11 is fitted to the tab terminal 5 into which the hole 9a of the waterproof plate 9 is fitted.
タブ端子５及びこれに嵌着される雌−雌端子はブスバー
回路板１或は防水板９上にあり、傾斜面に沿って流れ落
ちる水滴が当って停滞する虞れがあるため、第１図に示
すように、ブスバー回路板１或は防水板９の上面のタブ
端子５の周囲に防水壁12が突設される。The tab terminal 5 and the female-female terminal fitted to the tab terminal 5 are on the bus bar circuit board 1 or the waterproof board 9, and there is a possibility that water drops flowing along the inclined surface may hit and stagnant. As shown, a waterproof wall 12 is provided so as to project around the tab terminals 5 on the upper surface of the bus bar circuit board 1 or the waterproof board 9.
防水壁12は傾斜面の下位側にあたる右側を開口し、コの
字形状に設けられる。The waterproof wall 12 is opened in the right side which is the lower side of the inclined surface, and is provided in a U shape.
防水壁12の高さh1は、水滴Ｇの高さ寸法h2が約5mmであ
ることから、水滴Ｇを遮蔽する高さとして約5mm以上と
する。The height h 1 of the waterproof wall 12, since the height h 2 of the water droplet G is about 5mm, and about 5mm or more as the height to shield the water droplets G.
かくして、傾斜面を流れ落ちる水滴Ｇは、防水壁12に当
たってその場所に滞留するか、又は、防水壁12に沿って
流れ落ちるため、水滴Ｇがタブ端子５及び雌−雌端子11
に接触することはない。Thus, the water droplet G flowing down the inclined surface hits the waterproof wall 12 and stays there, or flows down along the waterproof wall 12, so that the water droplet G falls on the tab terminal 5 and the female-female terminal 11.
Never come into contact with.
又、傾斜面の下位側に設けた開口より水滴Ｇが防水壁12
の内側に浸入することはなく、表カバー３より浸入した
水滴が防水壁12の内側に落下することがあっても、水滴
は防水壁12の開口より流出する。In addition, the water drop G is applied to the waterproof wall 12 through the opening provided on the lower side of the inclined surface.
Even if water drops that have entered from the front cover 3 may fall inside the waterproof wall 12, the water drops will flow out from the opening of the waterproof wall 12.
ブスバー回路板１又は防水板９を流れ落ちた水滴Ｇは箱
本体６の底壁6aに設けられた排水孔10を経て排水され
る。The water drops G that have flowed down the bus bar circuit board 1 or the waterproof plate 9 are drained through a drain hole 10 provided in the bottom wall 6a of the box body 6.
以上のように、タブ端子５及び雌−雌端子11は水滴を遮
断する防水壁12によった保護されるため水滴によるリー
ク電流を生ずることはないが、同様にして、ブスバー回
路板等の板状体の上面に設けられた他の導電部材も防水
壁によって保護することができる。As described above, since the tab terminal 5 and the female-female terminal 11 are protected by the waterproof wall 12 that blocks water droplets, a leak current due to water droplets does not occur. Other conductive members provided on the upper surface of the strip can also be protected by the waterproof wall.
本考案は、傾斜したブスバー回路板等の板状体に防水壁
を設けることにより、傾斜面上を流れ落ちる水滴を防水
壁によって遮断し、防水壁内部を水滴より保護すること
ができる。According to the present invention, by providing a waterproof wall on a plate-shaped body such as an inclined bus bar circuit board, it is possible to block water drops flowing on the inclined surface by the waterproof wall and protect the inside of the waterproof wall from the water drops.
従って、ブスバー回路板上のタブ端子等の導電部材にリ
ーク電流発生事故が生じないようにすることができる。Therefore, it is possible to prevent a leakage current from occurring in the conductive member such as the tab terminal on the bus bar circuit board.
防水壁の高さは水滴を遮断し得る高さであればよいの
で、電気接続箱の容積はほとんど増加しない。Since the height of the waterproof wall has only to be a height capable of blocking water drops, the volume of the electric junction box hardly increases.
第１図及び第２図は本考案の実施例を示し、第１図は防
水壁の周辺の要部断面図、 第２図はブスバー回路板或は防水板の要部平面図、 第３図は電気接続箱の主要構成部品の斜視図、 第４図は電気接続箱の正面図、 第５図は傾斜したブスバー回路板周辺の要部縦断面図で
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…コネクタハウジング、５…タブ端子、６…
箱本体、6a…底壁、７…防水カバー、８…コネクタカバ
ー、９…防水板、9a…孔、10…排水孔、11雌−雌端子、
12…防水壁、Ｇ…水滴。1 and 2 show an embodiment of the present invention, FIG. 1 is a sectional view of the main part around a waterproof wall, FIG. 2 is a plan view of the main part of a bus bar circuit board or waterproof plate, and FIG. Is a perspective view of main components of the electric junction box, FIG. 4 is a front view of the electric junction box, and FIG. 5 is a longitudinal sectional view of an essential part around the inclined bus bar circuit board. 1 ... Busbar circuit board, 2, 2A, 2B ... Busbar circuit, 3 ... Front cover, 4 ... Connector housing, 5 ... Tab terminal, 6 ...
Box body, 6a ... Bottom wall, 7 ... Waterproof cover, 8 ... Connector cover, 9 ... Waterproof plate, 9a ... Hole, 10 ... Drain hole, 11 Female-female terminal,
12 ... Waterproof wall, G ... Water droplets.
Claims (1)
て成る電気接続箱において、上記箱本体内のブスバー回
路板などの表面が水滴が流れ落ちる傾斜角を保つように
電気接続箱を設置するとともに、上記ブスバー回路板或
いはブスバー回路板上に設けられる防水板などの板状体
に設けられた導電部材及び貫通孔の周囲のうち、傾斜面
の下位側となる部分を除いて、水滴の浸入を防止する高
さを有する防水壁を突設し、上記傾斜面の下位側端縁の
下方に、上記箱本体を貫通する排水孔を設けたことを特
徴とする電気接続箱。1. An electric connection box in which a bus bar circuit board or the like is housed inside a box body, and the electric connection box is installed so that the surface of the bus bar circuit board or the like in the box body maintains an inclination angle at which water drops flow down. At the same time, the permeation of water droplets is excluded in the periphery of the conductive member and the through-hole provided on the bus bar circuit board or the plate-shaped body such as the waterproof plate provided on the bus bar circuit board, except for the portion on the lower side of the inclined surface. An electrical junction box is characterized in that a waterproof wall having a height for preventing the above is provided so as to project, and a drain hole penetrating the box body is provided below a lower end edge of the inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987061478U JPH0733540Y2 (en) | 1987-04-24 | 1987-04-24 | Electrical junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987061478U JPH0733540Y2 (en) | 1987-04-24 | 1987-04-24 | Electrical junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63172217U JPS63172217U (en) | 1988-11-09 |
| JPH0733540Y2 true JPH0733540Y2 (en) | 1995-07-31 |
Family
ID=30894854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987061478U Expired - Lifetime JPH0733540Y2 (en) | 1987-04-24 | 1987-04-24 | Electrical junction box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733540Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3334642B2 (en) * | 1998-09-16 | 2002-10-15 | 住友電装株式会社 | Electrical junction box |
| JP3334643B2 (en) * | 1998-09-18 | 2002-10-15 | 住友電装株式会社 | Electrical junction box |
| JP5429557B2 (en) * | 2010-01-26 | 2014-02-26 | 住友電装株式会社 | Electrical junction box |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126730U (en) * | 1985-01-28 | 1986-08-08 | ||
| JPS6219024U (en) * | 1985-07-19 | 1987-02-04 | ||
| JPH042739Y2 (en) * | 1986-04-26 | 1992-01-30 |
-
1987
- 1987-04-24 JP JP1987061478U patent/JPH0733540Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63172217U (en) | 1988-11-09 |
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