JPH06327121A - Electric joint box - Google Patents
Electric joint boxInfo
- Publication number
- JPH06327121A JPH06327121A JP5107865A JP10786593A JPH06327121A JP H06327121 A JPH06327121 A JP H06327121A JP 5107865 A JP5107865 A JP 5107865A JP 10786593 A JP10786593 A JP 10786593A JP H06327121 A JPH06327121 A JP H06327121A
- Authority
- JP
- Japan
- Prior art keywords
- upper cover
- cover
- water
- ventilation hole
- bleeder
- 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
Landscapes
- Casings For Electric Apparatus (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車の車内配線に使
用される電気接続箱に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric junction box used for wiring in a car.
【０００２】[0002]
【従来の技術】自動車の電気接続箱は、内部にヒューズ
やリレー等の部品を収容し、これらの部品に各種電線を
直接あるいはコネクタ等を介して接続したものであり、
通常ケースとその開口部を覆うカバーとから構成されて
いる。2. Description of the Related Art An electric junction box for a vehicle has parts such as fuses and relays housed therein, and various electric wires connected to these parts directly or through connectors.
It is usually composed of a case and a cover that covers the opening.
【０００３】ところで、近年、電装品の増加に伴い、電
気接続箱内の部品や配線の設置密度も高くなり、部品等
の発熱の問題が大きくなってきた。By the way, in recent years, with the increase in the number of electrical components, the installation density of components and wiring in the electrical junction box has increased, and the problem of heat generation of components has become more serious.
【０００４】これに対処するための電気接続箱として、
従来、実開平３−８３４１９号公報に記載のものが知ら
れている。As an electric connection box for coping with this,
Conventionally, the one described in Japanese Utility Model Publication No. 3-83419 is known.
【０００５】この公報に記載の電気接続箱のうちの一つ
は、図５に示すように、本体１と、その下面を閉塞する
下部カバー３と、その上面開口を閉塞する上部カバー５
とからなる。本体１と上部カバー５、下部カバー３それ
ぞれの係合は、外壁面に設けた係合機構１３、１４によ
り行なわれる。本体１内には、リレー７やヒューズ９等
の電気部品が配設されている。そして、この電気接続箱
では、上部カバー５の側面に通気孔１１が開けられ、こ
こから外気を取り込んで内部の熱を放散するようになっ
ている。As shown in FIG. 5, one of the electrical junction boxes described in this publication is a main body 1, a lower cover 3 for closing the lower surface thereof, and an upper cover 5 for closing the upper opening thereof.
Consists of. The main body 1, the upper cover 5, and the lower cover 3 are engaged with each other by engaging mechanisms 13 and 14 provided on the outer wall surface. Inside the main body 1, electric parts such as a relay 7 and a fuse 9 are arranged. Further, in this electric junction box, a vent hole 11 is formed in the side surface of the upper cover 5 so that the outside air is taken in from the vent hole 11 to dissipate the heat inside.
【０００６】この場合の通気孔１１は、電気接続箱内部
の温まった空気が上昇するので上面に設けるのが望まし
いが、そうすると外部から水が浸入しやすくなる。よっ
て、側面に設け、外部からの水の浸入を防止するため、
図６に示すように通気孔１１の外側開口より内側開口を
高い位置に設定している。In this case, the vent hole 11 is preferably provided on the upper surface because warm air inside the electric junction box rises, but if this is done, water will easily enter from the outside. Therefore, to prevent water from entering from the outside,
As shown in FIG. 6, the inner opening is set at a position higher than the outer opening of the ventilation hole 11.
【０００７】この他に、図７に示すように、上部カバー
１５の上面に通気孔１７を設け、この通気孔１７の外側
に屈曲パイプ１９を設けて、水の浸入を防ぐようにした
ものや、図８に示すように、上部カバー２５の側面に幅
の狭い複数の通気孔２７を設け、図９に示すように、各
通気孔２７を内側に向けて上り傾斜させることで水の浸
入を防ぐようにしたもの等もある。In addition to this, as shown in FIG. 7, a vent hole 17 is provided on the upper surface of the upper cover 15, and a bent pipe 19 is provided outside the vent hole 17 to prevent water from entering. As shown in FIG. 8, a plurality of narrow ventilation holes 27 are provided on the side surface of the upper cover 25, and as shown in FIG. 9, water is prevented from entering by inclining each ventilation hole 27 inward. Some have been designed to prevent it.
【０００８】[0008]
【発明が解決しようとする課題】ところで、上述した従
来の電気接続箱では、水の浸入防止と換気効率の向上と
を両立させることが難しかった。By the way, in the above-mentioned conventional electric junction box, it was difficult to prevent water from entering and improve ventilation efficiency at the same time.
【０００９】本発明は、上記事情を考慮し、水の浸入を
確実に防止し得ると共に、換気効率の向上も図ることの
できる電気接続箱を提供することを目的とする。In view of the above circumstances, it is an object of the present invention to provide an electric junction box that can prevent water from entering and can improve ventilation efficiency.
【００１０】[0010]
【課題を解決するための手段】本発明は、本体と、その
上面開口を塞ぐ上部カバーとを備えた電気接続箱におい
て、前記上部カバーの上面を傾斜面で構成し、その頂部
に通気孔を形成すると共に、前記上部カバーの上部に、
前記通気孔とずれた位置に換気孔を有する防水カバーを
被せたことを特徴としている。According to the present invention, there is provided an electric junction box comprising a main body and an upper cover for closing an opening of the upper surface thereof, wherein the upper surface of the upper cover is formed by an inclined surface, and a ventilation hole is provided at the top thereof. While forming, on the upper part of the upper cover,
It is characterized in that a waterproof cover having a ventilation hole is provided at a position displaced from the ventilation hole.
【００１１】[0011]
【作用】上記構成の電気接続箱では、内部の温められた
空気は上部カバーの傾斜した上面に沿って上昇し、頂部
の通気孔から外に出る。そして、防水カバーの通気孔か
ら外部に放散される。一方、水が防水カバーの通気孔か
ら浸入した場合、水は上部カバーの頂部にある通気孔に
は至らず、その傾斜した上面に沿って流れ落ち、排出さ
れることになる。したがって、電気接続箱の内部への水
の浸入が確実に防止される。In the electric junction box having the above structure, the warm air inside rises along the inclined upper surface of the upper cover and goes out through the ventilation hole at the top. Then, it is diffused to the outside from the ventilation hole of the waterproof cover. On the other hand, when water enters from the ventilation hole of the waterproof cover, the water does not reach the ventilation hole at the top of the upper cover but flows down along the inclined upper surface and is discharged. Therefore, invasion of water into the inside of the electrical junction box is reliably prevented.
【００１２】[0012]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１３】図１は実施例の電気接続箱の分解斜視図で
ある。この電気接続箱は、本体１及び下部カバー３と、
本体１の上面開口を塞ぐ上部カバー５０と、上部カバー
５０の上部に被せられる防水カバー５２とからなる。本
体１と下部カバー３は従来と同じものである。FIG. 1 is an exploded perspective view of the electrical junction box of the embodiment. This electric junction box includes a main body 1 and a lower cover 3,
It comprises an upper cover 50 that closes the upper opening of the main body 1, and a waterproof cover 52 that covers the upper portion of the upper cover 50. The main body 1 and the lower cover 3 are the same as conventional ones.
【００１４】上部カバー５０は、平面視形状が長方形を
なしており、その上面が長さ方向の一端から他端に向か
って下り傾斜した傾斜面で構成されている。そして、そ
の傾斜した上面の頂部つまり一端側に、幅方向に長い長
方形状の通気孔５４が形成されている。本体１、下部カ
バー３、上部カバー５０には、従来と同様に係止機構１
３、１４が設けられている。また、上部カバー５０の側
面の周縁部には、図２に示すように、本体１の開口縁部
に嵌合する下向きの凹溝５１が形成され、該凹溝５１内
にはパッキン２が配置されている。なお、凹溝５１を形
成した部分の上部には、防水カバー５２の側面の下縁が
乗る段部５０ａが形成されている。この段部５０ａと前
記下縁との間には、適当な大きさの隙間、あるいは排水
孔が確保されている。The upper cover 50 has a rectangular shape in a plan view, and its upper surface is an inclined surface which is inclined downward from one end to the other end in the length direction. A rectangular ventilation hole 54 that is long in the width direction is formed at the top of the inclined upper surface, that is, at one end side. The locking mechanism 1 is attached to the main body 1, the lower cover 3, and the upper cover 50 as in the conventional case.
3, 14 are provided. Further, as shown in FIG. 2, a downward recessed groove 51 that fits into the opening edge portion of the main body 1 is formed in the peripheral edge portion of the side surface of the upper cover 50, and the packing 2 is arranged in the recessed groove 51. Has been done. A step portion 50a on which the lower edge of the side surface of the waterproof cover 52 rides is formed above the portion where the groove 51 is formed. Between the step portion 50a and the lower edge, a gap having a proper size or a drain hole is secured.
【００１５】一方、防水カバー５２は、その上面が、上
部カバー５０への装着時に水平となるように形成されて
おり、該上面の前記通気孔５４と反対側の端部には、幅
方向に長い長方形状の換気孔５６が形成されている。On the other hand, the waterproof cover 52 is formed such that the upper surface thereof becomes horizontal when mounted on the upper cover 50, and the end portion of the upper surface on the side opposite to the ventilation hole 54 has a width direction. A long rectangular ventilation hole 56 is formed.
【００１６】次に、図２を参照しながら作用を説明す
る。Next, the operation will be described with reference to FIG.
【００１７】電気接続箱のリレー７、ヒューズ９等の発
熱によって内部の空気が温められると、温められた空気
は上昇し、上部カバー５０の通気孔５４、防止カバー５
２の換気孔５６を通って、点線で示す経路Ａを辿り、電
気接続箱の外へ出る。一方、防水カバー５２に換気孔５
６があることにより、換気孔５６から水が浸入すること
になるが、水は上部カバー５０の傾斜した上面に落ちた
後、傾斜に沿って流れ落ち、実線で示す経路Ｂを辿って
外へ出る。したがって、上部カバー５０で覆われた本体
１内には水が浸入することがない。When the internal air is warmed by the heat generated by the relay 7 and the fuse 9 of the electrical junction box, the warmed air rises, and the ventilation hole 54 of the upper cover 50 and the prevention cover 5 are heated.
The vehicle passes through the ventilation hole 56 of No. 2 and follows the path A shown by the dotted line to go out of the electrical junction box. On the other hand, the waterproof cover 52 has a ventilation hole 5
The presence of 6 allows water to infiltrate through the ventilation hole 56, but after the water falls on the inclined upper surface of the upper cover 50, the water flows down along the inclination and follows the path B shown by the solid line to go outside. . Therefore, water does not enter the main body 1 covered with the upper cover 50.
【００１８】図３は、本発明の他の実施例における上部
カバー６０と防水カバー６２を示す斜視図である。この
実施例の上部カバー６０は、長方形の上面が、その幅方
向の一端から他端に向けて下り傾斜しており、その頂部
つまり一端側に通気孔６４が設けられている。これに対
し、防止カバー６２側は、通気孔６４と反対側の端部に
換気孔６６が設けられている。FIG. 3 is a perspective view showing an upper cover 60 and a waterproof cover 62 according to another embodiment of the present invention. In the upper cover 60 of this embodiment, the rectangular upper surface is inclined downward from one end in the width direction toward the other end, and the vent hole 64 is provided at the top, that is, one end side. On the other hand, on the side of the prevention cover 62, a ventilation hole 66 is provided at the end opposite to the ventilation hole 64.
【００１９】図４は、本発明のさらに他の実施例におけ
る上部カバー７０と防水カバー７２を示す斜視図であ
る。この実施例の上部カバー７０は、上面の中央が一番
高くなっており、その頂点部分から４つの辺に向かって
下り傾斜した傾斜面により、上部カバー７０の上面が構
成されている。そして、中央の頂点部に通気孔７４が形
成されている。これに対し、防水カバー７２側は、中央
の通気孔７４から外れた周辺位置つまり四隅に換気孔７
６が設けられている。FIG. 4 is a perspective view showing an upper cover 70 and a waterproof cover 72 according to still another embodiment of the present invention. In the upper cover 70 of this embodiment, the center of the upper surface is the highest, and the upper surface of the upper cover 70 is formed by the inclined surfaces that are inclined downward from the apex portion toward the four sides. A vent hole 74 is formed at the center apex. On the other hand, on the side of the waterproof cover 72, the ventilation holes 7 are provided at the peripheral positions, that is, the four corners, which are separated from the central ventilation hole 74.
6 is provided.
【００２０】これらの実施例においても、上記実施例と
全く同等の効果を奏する。Also in these embodiments, the same effect as that of the above-mentioned embodiments is obtained.
【００２１】[0021]
【発明の効果】以上説明したように、本発明によれば、
温まった空気の上昇を利用して、該空気を外部に放散す
るので、換気効率が向上する。また、防水カバーの換気
孔からたとえ水が浸入しても、水は上部カバーの通気孔
に至らないので、該通気孔から本体部へ水が浸入するお
それはない。よって、換気効率の向上と確実な防水の両
方を達成することができる。As described above, according to the present invention,
Ventilation efficiency is improved because the rise of warm air is used to diffuse the air to the outside. Further, even if water enters from the ventilation hole of the waterproof cover, the water does not reach the ventilation hole of the upper cover, so that there is no possibility that water will intrude into the main body portion from the ventilation hole. Therefore, both improvement of ventilation efficiency and reliable waterproofing can be achieved.
【図１】本発明の一実施例の分解斜視図である。FIG. 1 is an exploded perspective view of an embodiment of the present invention.
【図２】本発明の一実施例の作用説明に用いる側断面図
である。FIG. 2 is a side sectional view used to explain the operation of the embodiment of the present invention.
【図３】本発明の他の実施例における上部カバーと防水
カバーを示す斜視図である。FIG. 3 is a perspective view showing an upper cover and a waterproof cover according to another embodiment of the present invention.
【図４】本発明のさらに他の実施例における上部カバー
と防水カバーを示す斜視図である。FIG. 4 is a perspective view showing an upper cover and a waterproof cover according to still another embodiment of the present invention.
【図５】従来の電気接続箱の斜視図である。FIG. 5 is a perspective view of a conventional electrical junction box.
【図６】図５の要部詳細断面図である。6 is a detailed cross-sectional view of a main part of FIG.
【図７】従来の他の上部カバーを示す斜視図である。FIG. 7 is a perspective view showing another conventional upper cover.
【図８】従来のさらに他の上部カバーを示す斜視図であ
る。FIG. 8 is a perspective view showing still another conventional upper cover.
【図９】図８の要部断面図である。9 is a cross-sectional view of the main parts of FIG.
１ 本体 ５０、６０、７０ 上部カバー ５２、６２、７２ 防水カバー ５４、６４、７４ 通気孔 ５６、６６、７６ 換気孔 1 Main body 50, 60, 70 Upper cover 52, 62, 72 Waterproof cover 54, 64, 74 Vent hole 56, 66, 76 Ventilation hole
Claims (1)
とを備えた電気接続箱において、前記上部カバーの上面
を傾斜面で構成し、その頂部に通気孔を形成すると共
に、前記上部カバーの上部に、前記通気孔とずれた位置
に換気孔を有する防水カバーを被せたことを特徴とする
電気接続箱。1. An electrical junction box comprising a main body and an upper cover that closes an opening of the upper surface of the upper cover, wherein the upper surface of the upper cover is an inclined surface, and a ventilation hole is formed at the top of the upper cover. An electric junction box, wherein a waterproof cover having a ventilation hole at a position displaced from the ventilation hole is covered on an upper portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5107865A JP2758119B2 (en) | 1993-05-10 | 1993-05-10 | Electrical junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5107865A JP2758119B2 (en) | 1993-05-10 | 1993-05-10 | Electrical junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06327121A true JPH06327121A (en) | 1994-11-25 |
| JP2758119B2 JP2758119B2 (en) | 1998-05-28 |
Family
ID=14470045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5107865A Expired - Fee Related JP2758119B2 (en) | 1993-05-10 | 1993-05-10 | Electrical junction box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2758119B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443731C (en) * | 2004-07-19 | 2008-12-17 | 广东松下环境***有限公司 | Scavenger fan and its electric appliance junction box with edge structure |
| JP2009284642A (en) * | 2008-05-21 | 2009-12-03 | Furukawa Electric Co Ltd:The | Plug-in box |
| JP2012100476A (en) * | 2010-11-04 | 2012-05-24 | Auto Network Gijutsu Kenkyusho:Kk | Electrical connection box |
| WO2012070146A1 (en) * | 2010-11-26 | 2012-05-31 | トヨタ自動車株式会社 | Electrical apparatus |
| CN103582359A (en) * | 2012-08-07 | 2014-02-12 | 发那科株式会社 | Attachment for preventing liquid from adhering to electronic component |
| JP2016517176A (en) * | 2013-05-14 | 2016-06-09 | ▲華▼▲為▼終端有限公司Ｈｕａｗｅｉ Ｄｅｖｉｃｅ Ｃｏ．， Ｌｔｄ． | Electronic equipment casing and electronic equipment |
| JP2018188974A (en) * | 2017-04-28 | 2018-11-29 | いすゞ自動車株式会社 | Cover structure of control unit |
| JP2019134082A (en) * | 2018-01-31 | 2019-08-08 | Ｎｅｃプラットフォームズ株式会社 | Heat radiation and water resistant structure |
-
1993
- 1993-05-10 JP JP5107865A patent/JP2758119B2/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443731C (en) * | 2004-07-19 | 2008-12-17 | 广东松下环境***有限公司 | Scavenger fan and its electric appliance junction box with edge structure |
| JP2009284642A (en) * | 2008-05-21 | 2009-12-03 | Furukawa Electric Co Ltd:The | Plug-in box |
| JP2012100476A (en) * | 2010-11-04 | 2012-05-24 | Auto Network Gijutsu Kenkyusho:Kk | Electrical connection box |
| US8982583B2 (en) | 2010-11-26 | 2015-03-17 | Toyota Jidosha Kabushiki Kaisha | Electrical apparatus |
| EP2645506A4 (en) * | 2010-11-26 | 2014-03-05 | Toyota Motor Co Ltd | Electrical apparatus |
| EP2645506A1 (en) * | 2010-11-26 | 2013-10-02 | Toyota Jidosha Kabushiki Kaisha | Electrical apparatus |
| CN103229376A (en) * | 2010-11-26 | 2013-07-31 | 丰田自动车株式会社 | Electrical apparatus |
| WO2012070146A1 (en) * | 2010-11-26 | 2012-05-31 | トヨタ自動車株式会社 | Electrical apparatus |
| JP5418693B2 (en) * | 2010-11-26 | 2014-02-19 | トヨタ自動車株式会社 | Electrical equipment |
| US9526173B2 (en) * | 2012-08-07 | 2016-12-20 | Fanuc Corporation | Attachment for preventing liquid from adhering to electronic component |
| US20140043778A1 (en) * | 2012-08-07 | 2014-02-13 | Fanuc Corporation | Attachment for preventing liquid from adhering to electronic component |
| CN103582359A (en) * | 2012-08-07 | 2014-02-12 | 发那科株式会社 | Attachment for preventing liquid from adhering to electronic component |
| JP2016517176A (en) * | 2013-05-14 | 2016-06-09 | ▲華▼▲為▼終端有限公司Ｈｕａｗｅｉ Ｄｅｖｉｃｅ Ｃｏ．， Ｌｔｄ． | Electronic equipment casing and electronic equipment |
| US9967987B2 (en) | 2013-05-14 | 2018-05-08 | Huawei Device Co., Ltd. | Electronic device enclosure and electronic device |
| JP2018188974A (en) * | 2017-04-28 | 2018-11-29 | いすゞ自動車株式会社 | Cover structure of control unit |
| JP2019134082A (en) * | 2018-01-31 | 2019-08-08 | Ｎｅｃプラットフォームズ株式会社 | Heat radiation and water resistant structure |
| WO2019150742A1 (en) * | 2018-01-31 | 2019-08-08 | Ｎｅｃプラットフォームズ株式会社 | Heat-dissipating water-proof structure |
| CN111656875A (en) * | 2018-01-31 | 2020-09-11 | Nec平台株式会社 | Heat radiation waterproof structure |
| CN111656875B (en) * | 2018-01-31 | 2021-07-20 | Nec平台株式会社 | Heat radiation waterproof structure |
| CN113412006A (en) * | 2018-01-31 | 2021-09-17 | Nec平台株式会社 | Heat radiation waterproof structure |
| CN113412006B (en) * | 2018-01-31 | 2023-03-31 | Nec平台株式会社 | Heat radiation waterproof structure |
| US11910553B2 (en) | 2018-01-31 | 2024-02-20 | Nec Platforms, Ltd. | Heat-dissipating waterproof structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2758119B2 (en) | 1998-05-28 |
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