JP3211903B2 - Heat dissipation structure of terminal connection - Google Patents
Heat dissipation structure of terminal connectionInfo
- Publication number
- JP3211903B2 JP3211903B2 JP13038292A JP13038292A JP3211903B2 JP 3211903 B2 JP3211903 B2 JP 3211903B2 JP 13038292 A JP13038292 A JP 13038292A JP 13038292 A JP13038292 A JP 13038292A JP 3211903 B2 JP3211903 B2 JP 3211903B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- relay terminal
- elastic member
- cavity
- circuit board
- 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
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connection Or Junction Boxes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電気接続箱等における
端子接続部の放熱を可能とした構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure capable of radiating heat at a terminal connection portion in an electric junction box or the like.
【０００２】[0002]
【従来の技術】図３は、従来の電気接続箱における端子
接続部を示す縦断面図である。図で、１８は、合成樹脂
製の上ケース、１９は、同じく下ケースを示し、両ケー
ス１８，１９の間には回路基板２０を配設し、該回路基
板２０上のブスバー端子２１に中継端子２２の一方の雌
型接触部２３を接続する。2. Description of the Related Art FIG. 3 is a longitudinal sectional view showing a terminal connecting portion in a conventional electric junction box. In the drawing, reference numeral 18 denotes an upper case made of a synthetic resin, and 19 denotes a lower case. A circuit board 20 is disposed between the two cases 18 and 19 and relayed to a bus bar terminal 21 on the circuit board 20. One female contact portion 23 of the terminal 22 is connected.
【０００３】該中継端子２２は、上ケース１８の膨出部
２４内のキャビティ２５に対して上部内壁２６及び側壁
２７との間に隙間ｓを存して収容される。該キャビティ
２５の上壁２６には相手端子挿入孔２８を設けてあり、
該挿入孔２８からヒューズ２９の端子３０が挿入されて
中継端子２２の他方の雌型接触部３１に接続する。しか
しながら、上記従来の構造にあっては、端子接続部（２
２）で生じた熱がキャビティ２５内にこもり易く、ヒュ
ーズ２９の性能に悪影響を及ぼしかねないという問題が
あった。The relay terminal 22 is accommodated in a cavity 25 in the bulging portion 24 of the upper case 18 with a gap s between the upper inner wall 26 and the side wall 27. A mating terminal insertion hole 28 is provided in the upper wall 26 of the cavity 25,
The terminal 30 of the fuse 29 is inserted from the insertion hole 28 and connected to the other female contact portion 31 of the relay terminal 22. However, in the above-described conventional structure, the terminal connection portion (2
There is a problem that the heat generated in 2) is likely to be trapped in the cavity 25, which may adversely affect the performance of the fuse 29.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記した点
に鑑み、電気接続箱等における端子接続部の放熱性を向
上させ得る構造を提供することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a structure capable of improving the heat radiation of a terminal connecting portion in an electric junction box or the like in view of the above points.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、回路基板に立設された端子と、該端子に
対する接触部と、相手側端子に対する接触部とを有する
中継端子と、該中継端子を収容するキャビティと、該キ
ャビティに連通する相手側端子挿入孔とを有し、該回路
基板に対向して位置するケースと、を備えた端子接続部
の構造において、前記回路基板と前記中継端子の基端と
の間に弾性部材を挟着させ、該弾性部材の付勢力で該中
継端子の先端を前記ケースのキャビティ内で前記相手側
端子挿入孔側の内壁に当接させてなる端子接続部の放熱
構造を採用する。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a terminal installed on a circuit board and a terminal connected to the terminal.
And a contact portion for the mating terminal.
A relay terminal, a cavity accommodating the relay terminal, and the key.
And a mating terminal insertion hole communicating with the cavity.
And a case positioned opposite to the substrate.
In the structure of the above, the circuit board and a base end of the relay terminal
An elastic member is sandwiched between them, and the urging force of the elastic member
Connect the tip of the relay terminal to the mating side in the cavity of the case.
A heat dissipation structure of the terminal connection part which is brought into contact with the inner wall on the terminal insertion hole side is adopted.
【０００６】[0006]
【作用】弾性部材の付勢力によって中継端子がケースの
キャビティ内壁に押し付けられる。従って中継端子の熱
がケースを伝わって放熱される。The relay terminal is pressed against the inner wall of the cavity of the case by the urging force of the elastic member. Therefore, heat of the relay terminal is radiated through the case.
【０００７】[0007]
【実施例】図１は、本発明に係る端子接続部の放熱構造
の一実施例を示す分解斜視図、図２は、その組立状態を
示す図１のＡ−Ａ相当断面図である。図で、２は、電気
接続箱１における合成樹脂製の上ケース、３は、同じく
下ケース、４は、該下ケース３内に配設される複数枚の
回路基板を示し、該回路基板４上には弾性部材５を介在
させてタブ状のブスバー端子６に中継端子７を接続させ
る。FIG. 1 is an exploded perspective view showing an embodiment of a heat radiation structure for a terminal connecting portion according to the present invention, and FIG. 2 is a sectional view corresponding to AA of FIG. 1 showing an assembled state thereof. In the drawing, reference numeral 2 denotes an upper case made of synthetic resin in the electric junction box 1, reference numeral 3 denotes a lower case, and reference numeral 4 denotes a plurality of circuit boards provided in the lower case 3. The relay terminal 7 is connected to the tab-shaped bus bar terminal 6 with the elastic member 5 interposed therebetween.
【０００８】該弾性部材５はシリコンラバー等により平
板状に形成され、各所にブスバー端子６に対する挿通孔
８を有して、回路基板４上に敷設される。また該中継端
子７は、図２にも示す如く、筒状部９の内側に逆Ｕ字状
のばね片１０と一対の凸状接触部１１1 ，１１2 とを対
向して設けたものであり、一方の接触部１１1 にブスバ
ー端子６、他方の接触部１１2 にヒューズ１２の端子
（相手側端子）１３をそれぞれ接続可能である。端子１
３は上ケース２の上部の相手側端子挿入孔１６からキャ
ビティ１４内に挿入される。 The elastic member 5 is formed in a flat plate shape using silicon rubber or the like, and has an insertion hole 8 for a bus bar terminal 6 at various places, and is laid on the circuit board 4. As shown in FIG. 2, the relay terminal 7 has an inverted U-shaped spring piece 10 and a pair of convex contact portions 11 1 and 11 2 provided inside a cylindrical portion 9 so as to face each other. There, the terminal of one of the contact portions 11 bus bar terminal 6 to 1, the other contact portion 11 2 in the fuse 12
(Material terminal) 13 can be connected. Terminal 1
3 is inserted from the upper end of the upper case 2 through the mating terminal insertion hole 16.
It is inserted into the bitty 14.
【０００９】該中継端子７は、上ケース２に設けたキャ
ビティ１４内に収容され、上下ケース２，３の接合によ
って下端７ａを弾性部材５内に埋没させ、上端７ｂを弾
性部材５の付勢力でキャビティ１４の上部内壁１５に当
接させる。従って、端子接続部（７）で発生した熱は、
中継端子７の上端７ｂから矢印イの如く直接上ケース２
に伝わって放熱される。The relay terminal 7 is accommodated in a cavity 14 provided in the upper case 2, and the lower end 7 a is buried in the elastic member 5 by joining the upper and lower cases 2, 3, and the upper end 7 b is biased by the elastic member 5. To contact the upper inner wall 15 of the cavity 14. Therefore, the heat generated at the terminal connection (7) is
Upper case 2 directly from upper end 7b of relay terminal 7 as shown by arrow A
Is dissipated and dissipated.
【００１０】なお、弾性部材５を熱伝導性のシリコンラ
バー（商品名サーコン）で形成すれば、中継端子７の下
端７ａからも弾性部材５を通じて矢印ロの如く放熱が行
われる。また上記弾性部材５は中継端子７の保持や防音
あるいは防水等にも有効である。If the elastic member 5 is made of thermally conductive silicon rubber (trade name: Sircon), heat is radiated from the lower end 7a of the relay terminal 7 through the elastic member 5 as shown by the arrow B. The elastic member 5 is also effective for holding the relay terminal 7, soundproofing or waterproofing.
【００１１】[0011]
【発明の効果】以上の如くに、本発明によれば、中継端
子をケースに接触させることによって端子接続部の熱を
直接ケースに逃がすことができるから、端子接続部の温
度を正常に保つことができ、ヒューズ等の部品の性能を
維持することができる。As described above, according to the present invention, by contacting the relay terminal with the case, the heat of the terminal connection can be directly released to the case, so that the temperature of the terminal connection can be normally maintained. And the performance of components such as fuses can be maintained.
【図１】本発明に係る端子接続部の放熱構造の一実施例
を示す分解斜視図である。FIG. 1 is an exploded perspective view showing one embodiment of a heat dissipation structure of a terminal connecting portion according to the present invention.
【図２】同じく組立状態を示す図１のＡ−Ａ相当断面図
である。FIG. 2 is a sectional view corresponding to AA in FIG. 1 showing an assembled state.
【図３】従来例を示す縦断面図である。FIG. 3 is a longitudinal sectional view showing a conventional example.
２ 上ケース ４ 回路基板 ５ 弾性部材 ６ ブスバー端子 ７ 中継端子 １３ ヒューズ端子 １４ キャビティ １５ 上部内壁 2 Upper case 4 Circuit board 5 Elastic member 6 Busbar terminal 7 Relay terminal 13 Fuse terminal 14 Cavity 15 Upper inner wall
Claims (1)
を有する中継端子と、 該中継端子を収容するキャビティと、該キャビティに連
通する相手側端子挿入孔とを有し、該回路基板に対向し
て位置するケースと、 を備えた端子接続部の構造において、 前記回路基板と前記中継端子の基端との間に弾性部材を
挟着させ、該弾性部材の付勢力で該中継端子の先端を前
記ケースのキャビティ内で前記相手側端子挿入孔側の内
壁に当接させてなる ことを特徴とする端子接続部の放熱
構造。 A terminal standing on a circuit board, a contact portion for the terminal, and a contact portion for a counterpart terminal.
A relay terminal having the same, a cavity accommodating the relay terminal,
And a mating terminal insertion hole through which the circuit board faces.
And a case that includes a terminal connecting portion, wherein an elastic member is provided between the circuit board and a base end of the relay terminal.
Pinch the front end of the relay terminal forward by the urging force of the elastic member.
Inside the cavity of the counterpart terminal insertion hole
A heat dissipating structure for a terminal connecting portion, which is brought into contact with a wall .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13038292A JP3211903B2 (en) | 1992-05-22 | 1992-05-22 | Heat dissipation structure of terminal connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13038292A JP3211903B2 (en) | 1992-05-22 | 1992-05-22 | Heat dissipation structure of terminal connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05328570A JPH05328570A (en) | 1993-12-10 |
| JP3211903B2 true JP3211903B2 (en) | 2001-09-25 |
Family
ID=15033001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13038292A Expired - Fee Related JP3211903B2 (en) | 1992-05-22 | 1992-05-22 | Heat dissipation structure of terminal connection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3211903B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3318567B2 (en) * | 1997-10-03 | 2002-08-26 | タイコ エレクトロニクス ロジスティックス アーゲー | connector |
| JP2005268019A (en) * | 2004-03-18 | 2005-09-29 | Smk Corp | Socket for electronic component installation |
| JP7088095B2 (en) * | 2019-03-20 | 2022-06-21 | 住友電装株式会社 | Joint connector |
-
1992
- 1992-05-22 JP JP13038292A patent/JP3211903B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05328570A (en) | 1993-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010605 |
|
| LAPS | Cancellation because of no payment of annual fees |