JPH0447855Y2 - - Google Patents
Info
- Publication number
- JPH0447855Y2 JPH0447855Y2 JP1988144852U JP14485288U JPH0447855Y2 JP H0447855 Y2 JPH0447855 Y2 JP H0447855Y2 JP 1988144852 U JP1988144852 U JP 1988144852U JP 14485288 U JP14485288 U JP 14485288U JP H0447855 Y2 JPH0447855 Y2 JP H0447855Y2
- Authority
- JP
- Japan
- Prior art keywords
- arc
- contact
- substrate
- contacts
- intermediate plate
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 6
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005304 joining Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Contacts (AREA)
Description
【考案の詳細な説明】
(産業上の利用分野)
本考案は、継電器等の電気回路開閉装置に用い
られる接点素子に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a contact element used in an electric circuit switching device such as a relay.
(従来の技術)
トラフ(飼葉桶)形基板を備え、該基板に導電
性材料から成る中間板(接触子)を固着してなる
可動接点素子(コンタクトブリツジ)が、西独公
開特許公報第2647888号から知られている。この
中間板に、2個の接点がハンダ付けしてある。こ
の中間板は、接点から出発して延びて基板の前面
に隣接した端部を有する。この端部はアーク消滅
部として働く。(Prior Art) A movable contact element (contact bridge) comprising a trough-shaped substrate and an intermediate plate (contact element) made of a conductive material fixed to the substrate is disclosed in West German Patent Publication No. 2647888. Known from the number. Two contacts are soldered to this intermediate plate. The intermediate plate extends starting from the contact point and has an end adjacent the front side of the substrate. This end serves as an arc quencher.
この装置では接点からアーク消滅部へのアーク
脚点の迅速な移動が保証されていない点を別にし
ても、接点と中間板との間の固着個所が、アーク
消滅部に移行するアークによつて腐蝕される危険
性がある。これによつて、可動接点素子の寿命が
著しく低下する。 Apart from the fact that this device does not guarantee rapid movement of the arc foot from the contact to the arc extinguishing section, the sticking point between the contact and the intermediate plate is affected by the arc moving to the arc extinguishing section. There is a risk of corrosion. This significantly shortens the life of the movable contact element.
その他、接点をU形基板の底部に直接取付け且
つウエブによつて互いに導電結合してなる可動接
点素子が知られている(西独公告特許公報第
1175776号)。基板の底部から接点とは離れていく
方向に突出したアークガイドが、基板の前面で該
基板に固着してある。このアークガイドは鋼製で
あるので、アーク脚点は前述の可動接点素子の場
合よりも迅速に接点から移動する。だがこの解決
法でも接点と基板との間の結合個所は、その脚点
が横方向に接点に沿つてアークガイドに向かつて
移動するアークによつて腐蝕される。この腐蝕に
よつて生じる損傷は、特に遮断電流が高い時著し
く、比較的短い使用期間の後可動接点素子の交換
を不可避にする。 In addition, a movable contact element is known in which contacts are directly attached to the bottom of a U-shaped substrate and conductively coupled to each other by a web (West German Patent Publication No.
No. 1175776). An arc guide protruding from the bottom of the substrate in a direction away from the contacts is fixed to the substrate at the front surface of the substrate. Since this arc guide is made of steel, the arc leg moves away from the contact more quickly than in the case of the movable contact elements described above. However, even with this solution, the joint between the contact and the substrate is corroded by the arc whose legs move laterally along the contact towards the arc guide. The damage caused by this corrosion is particularly noticeable at high breaking currents and makes replacement of the movable contact element unavoidable after a relatively short period of use.
(考案が解決しようとする課題)
このような事情に鑑みて、本考案はアークによ
る接点の焼損を防止するため接点表面からアーク
の脚点をアークガイドに迅速に移動させるように
した接点素子を提供することを目的としている。(Problem to be solved by the invention) In view of these circumstances, the present invention has developed a contact element that quickly moves the leg of the arc from the contact surface to the arc guide in order to prevent the contact from burning out due to the arc. is intended to provide.
(課題を解決するための手段)
この目的を達成するため、本考案は電気開閉
器、特にソレノイド作動の接触器に用いる接点素
子であつて、
断面U字形のトラフ形基板の底面に導電性材料
の中間板を固着し、前記基板に接する面とは反対
側の前記中間板の少なくとも一端面に接点を形成
し、
この接点に近接してアークを導くために前記基
板の端面に固定された強磁性材料のアークガイド
を備えており、
該アークガイドは、前記基板の対向フランジに
係合して支持されるとともに、ガイド両端部を前
記基板の底部に直交する方向に突出させ、アーク
ガイドのエツジが、これに対面する前記接点のエ
ツジとほぼ同一の高さになるように配置したこと
を特徴としている。(Means for Solving the Problems) In order to achieve this object, the present invention provides a contact element for use in electrical switches, particularly solenoid-operated contactors, in which a conductive material is provided on the bottom surface of a trough-shaped substrate having a U-shaped cross section. A contact point is formed on at least one end surface of the intermediate plate opposite to the surface in contact with the substrate, and a strong member is fixed to the end surface of the substrate for guiding an arc in proximity to the contact point. An arc guide made of a magnetic material is provided, and the arc guide is engaged with and supported by the facing flanges of the substrate, and both ends of the guide protrude in a direction perpendicular to the bottom of the substrate. is arranged so as to be approximately at the same height as the edge of the contact point facing the contact point.
(作用)
この構成により、アークガイドは強磁性材料
で、アークガイドのエツジがこれと対面する接点
表面のエツジと近接かつ高さが同一となつている
ので、アークガイドが良好なアーク移行特性を備
えることになる。それ故、接点の開によつてひき
起こされるアークの脚点は接点から、接点に沿つ
て側方に移動することなく、直接アークガイドへ
と向う。したがつて固着個所にアークが導かれる
こともなく接点自体もアークガイドによつてアー
クの腐蝕作用から効果的に保護される。またアー
クガイドは、接点からアーク脚点を迅速に移動さ
せ、しかも耐焼損性であり、良好なアーク移行特
性を有することから遮断電流が比較的大きくて
も、接点の損耗は少なく、接点素子の寿命を長く
することができる。また高い機械的強度を有する
材料から基板を製造することができ、接触子は主
に接点間の十分な導電結合のためにのみ備えれば
よい。これによつて、接点が閉の時にも接点開閉
時にも高い電気負荷及び機械荷重に耐えることが
できる低質量の接点素子を提供することができ
る。(Function) With this configuration, the arc guide is made of ferromagnetic material and the edge of the arc guide is close to and at the same height as the edge of the contact surface facing it, so the arc guide has good arc transfer characteristics. You will be prepared. Therefore, the leg of the arc caused by the opening of the contact goes directly from the contact to the arc guide without moving laterally along the contact. Therefore, no arc is guided to the stuck location, and the contacts themselves are effectively protected from the corrosive effects of the arc by the arc guide. In addition, the arc guide quickly moves the arc leg point from the contact, is burnout resistant, and has good arc transfer characteristics, so even if the breaking current is relatively large, there is little wear and tear on the contact, and the contact element It can extend the lifespan. It is also possible to manufacture the substrate from a material with high mechanical strength, and the contacts only need to be provided primarily for sufficient electrically conductive coupling between the contacts. This makes it possible to provide a low-mass contact element that can withstand high electrical and mechanical loads both when the contacts are closed and when the contacts are opened and closed.
(実施例)
以下図面を基に本発明の一実施例を詳しく説明
する。(Example) An example of the present invention will be described in detail below based on the drawings.
図示した接点素子ないしコンタクトブリツジ1
は、例えば鋼から成る断面U字形のトラフ形基板
2を有する。基板2の底部は参照符号3で、フラ
ンジ部は参照符号4で示されている。基板2の下
面で基板の底部3に接触子としての中間板5が、
好ましくはろう付けによつて、固着されている。
この中間板5は、導電性材料、好ましくは鋼、か
ら成り、基板2に対向した側に突起6と7を備え
ている。該突起はそれぞれ底部3の芯出し凹部8
又は9に係合する。この芯出し凹部8と9によつ
て、中間板5は、基板2に中間板を固着すると
き、位置決めされる。 Illustrated contact element or contact bridge 1
has a trough-shaped substrate 2 with a U-shaped cross section and made of steel, for example. The bottom part of the substrate 2 is designated by reference numeral 3 and the flange part by reference numeral 4. An intermediate plate 5 as a contact is attached to the bottom 3 of the substrate 2 on the underside of the substrate 2.
It is preferably fixed by brazing.
This intermediate plate 5 is made of an electrically conductive material, preferably steel, and is provided with projections 6 and 7 on the side facing the substrate 2. The protrusions each correspond to a centering recess 8 in the bottom part 3.
Or engage 9. By means of the centering recesses 8 and 9, the intermediate plate 5 is positioned when the intermediate plate is fixed to the substrate 2.
中間板5は、突起6,7とは反対の面の両端部
に凸部10,11を備え、該凸部の上に接点1
2,13が配設され、該接点は例えばろう付けな
どの適当な方法により中間板5上に結合されてい
る。接点12と13は、好適な接点材料、例えば
AgCdOから成る。 The intermediate plate 5 has convex portions 10 and 11 on both ends of the surface opposite to the protrusions 6 and 7, and a contact point 1 is provided on the convex portion.
2, 13 are arranged, the contacts being connected on the intermediate plate 5 by a suitable method, for example by brazing. Contacts 12 and 13 are made of a suitable contact material, e.g.
Consists of AgCdO.
基板2は中間板5の導電性材料より強い機械的
強度を有するので、接点素子1に十分な機械的強
度を付与することになる。それ故、中間板5は主
に両接点12,13間の十分な導電結合に備える
だけでよい。従つて、好適な構成及び/又は材料
選択によつて、強い電気負荷及び機械荷重に耐え
ることのできる低質量の接点素子1を得ることが
可能となる。 Since the substrate 2 has a stronger mechanical strength than the conductive material of the intermediate plate 5, it provides sufficient mechanical strength to the contact element 1. The intermediate plate 5 therefore mainly only needs to provide a sufficient electrically conductive connection between the two contacts 12, 13. By suitable construction and/or material selection, it is therefore possible to obtain a contact element 1 of low mass that can withstand strong electrical and mechanical loads.
基板2の前面で板片状アークガイド14,15
が、例えばやはりろう付けによつて、基板2と結
合され、基板2の底部3に対してほぼ直角に延び
たアークガイド14,15の各々が基板2の相対
する側において基板2から突出している。このア
ークガイド14,15は強磁性材料、例えば鋼か
ら成る。アークガイド14,15の上端14a,
15aは、基板2のフランジ部4の上縁から突出
している。アークガイド14と15の下端14
b,15bは、接点12,13の方へ延び、該接
点の横をその表面12a又は13aの近傍にまで
延びている。従つてアークガイド14,15は、
接点12,13と中間板5との間の結合個所16
又は17を越えて延びている。 Plate-shaped arc guides 14 and 15 are provided on the front surface of the board 2.
is connected to the substrate 2, for example also by brazing, and each of the arc guides 14, 15 protrudes from the substrate 2 on opposite sides of the substrate 2 and extends approximately at right angles to the bottom 3 of the substrate 2. . The arc guides 14, 15 are made of ferromagnetic material, for example steel. The upper end 14a of the arc guides 14, 15,
15a protrudes from the upper edge of the flange portion 4 of the substrate 2. Lower end 14 of arc guides 14 and 15
b, 15b extend towards the contacts 12, 13 and extend laterally to the contacts as close to their surfaces 12a or 13a. Therefore, the arc guides 14 and 15 are
Connection point 16 between contacts 12, 13 and intermediate plate 5
or extends beyond 17.
接点が開かれる時発生するアークは、まず接点
12,13の表面12aと13aで燃え、次にこ
の接点12,13に隣接したアークガイド14,
15に移る。アークガイドはすでに述べたように
強磁性材料から成るので、表面12a,13aか
らアークガイド14,15へのアーク脚点のこの
移動は迅速に行われ、接点12,13の焼損は最
小に低減される。アークガイド14,15は十分
な耐焼損性を有するので、消弧するまでアークガ
イドで燃えるアークは然したる損傷を生ぜしめな
い。 The arc generated when the contacts are opened first burns on the surfaces 12a and 13a of the contacts 12, 13, and then on the arc guides 14 and 14 adjacent to the contacts 12, 13.
Move on to 15. Since the arc guide, as already mentioned, consists of a ferromagnetic material, this movement of the arc leg from the surfaces 12a, 13a to the arc guides 14, 15 takes place quickly and burnout of the contacts 12, 13 is reduced to a minimum. Ru. The arc guides 14, 15 have sufficient burnout resistance so that the arc burning in the arc guides will not cause any significant damage until the arc is extinguished.
アークは前述の如く接点12,13の表面12
a及び13aからその近傍のアークガイド14及
び15へとそれぞれ直接移動するので、アーク脚
点が接点の側面に沿つて結合個所16,17へと
移動して接点12,13の望ましくない焼損や結
合個所16,17の損傷を生じるようなことは防
止される。従つて、接点素子1は、アークガイド
14,15を設けたことによつて、遮断電流が高
い場合でも急激な損耗から守られており、このこ
とが接点素子1の寿命にとつて有利に作用する。 The arc is caused by the surface 12 of the contacts 12 and 13 as described above.
Direct movement from a and 13a to their neighboring arc guides 14 and 15, respectively, causes the arc legs to move along the sides of the contacts to the joining points 16, 17, thereby preventing undesired burnout or joining of the contacts 12, 13. Damage to points 16, 17 is prevented. Therefore, by providing the arc guides 14 and 15, the contact element 1 is protected from rapid wear and tear even when the breaking current is high, and this has an advantageous effect on the life of the contact element 1. do.
接触子の各部分を上述じたものとは別の形でも
構成できることは自明である。例えば接点12,
13は、あらゆる好適な形状にすることができ
る。第1図には接点12,13に関して2種類の
可能な態様が示されている。更に、アークガイド
14,15の下端14b,15bは、必要ならば
折り曲げて接点12,13に近づけてもよい。 It is obvious that the parts of the contact can also be constructed in other ways than those described above. For example, contact 12,
13 can be of any suitable shape. Two possible embodiments of contacts 12, 13 are shown in FIG. Furthermore, the lower ends 14b, 15b of the arc guides 14, 15 may be bent to approach the contacts 12, 13 if necessary.
以上述べた接点素子ないしコンタクトブリツジ
は継電器スイツチに特に好適である。 The contact elements or contact bridges described above are particularly suitable for relay switches.
(考案の効果)
本考案は上述した構成から接点間にアークを生
じさせ、接点でのアーク脚点を迅速にアークガイ
ドへ移動させるようにしたので、接触子と接点と
の間の固着個所にアークが流れることがなくな
り、接点の腐蝕や損傷を減じて接触子の寿命を向
上させることができる。(Effects of the invention) The present invention uses the above-mentioned configuration to generate an arc between the contacts, and quickly moves the arc leg points at the contacts to the arc guide. No arc flows, reducing corrosion and damage to the contacts and improving the life of the contacts.
第1図は電気回路開閉装置用可動接触片の略正
面図、第2図は第1図の−線に沿つた断面
図、第3図は可動接触片の側面図、第4図は第2
図の−線に沿つた断面図である。
2……基板、3……基板の底部、5……中間板
(接触子)、6,7……突起、8,9……凹部、1
2,13……接点、12a,13a……接点の表
面、14,15……アークガイド。
Fig. 1 is a schematic front view of a movable contact piece for an electric circuit switchgear, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a side view of the movable contact piece, and Fig. 4 is a schematic front view of a movable contact piece for an electric circuit switchgear.
It is a sectional view along the - line of a figure. 2... Board, 3... Bottom of board, 5... Intermediate plate (contact), 6, 7... Protrusion, 8, 9... Recess, 1
2, 13... Contact, 12a, 13a... Contact surface, 14, 15... Arc guide.
Claims (1)
いる接点素子であつて、 断面U字形のトラフ形基板2の底面に導電性材
料の中間板5を固着し、前記基板に接する面とは
反対側の前記中間板の少なくとも一端面に接点1
2,13を形成し、 この接点に近接してアークを導くために前記基
板2の端面に固定された強磁性材料のアークガイ
ド14,15を備えており、 該アークガイドは、前記基板2の対向フランジ
4,4に係合して支持されるとともに、ガイド両
端部14a,14b,15a,15bを前記基板
の底部3に直交する方向に突出させ、アークガイ
ドのエツジが、これに対面する前記接点のエツジ
とほぼ同一の高さになるように配置されているこ
とを特徴とする電気開閉器の接点素子。[Claims for Utility Model Registration] A contact element used in an electric switch, especially a solenoid-operated contactor, which comprises a trough-shaped substrate 2 having a U-shaped cross section, an intermediate plate 5 made of a conductive material fixed to the bottom surface of the substrate 2, and an intermediate plate 5 made of a conductive material. A contact point 1 is provided on at least one end surface of the intermediate plate opposite to the surface in contact with
2, 13, and are provided with arc guides 14, 15 made of ferromagnetic material fixed to the end face of the substrate 2 in order to guide the arc close to the contact point, the arc guides The arc guide is engaged with and supported by the opposing flanges 4, 4, and has both guide end portions 14a, 14b, 15a, 15b protruding in a direction perpendicular to the bottom portion 3 of the substrate, so that the edge of the arc guide faces the A contact element for an electrical switch, characterized in that the contact element is arranged at approximately the same height as the edge of the contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988144852U JPH0447855Y2 (en) | 1988-11-04 | 1988-11-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988144852U JPH0447855Y2 (en) | 1988-11-04 | 1988-11-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0173717U JPH0173717U (en) | 1989-05-18 |
JPH0447855Y2 true JPH0447855Y2 (en) | 1992-11-11 |
Family
ID=31412921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988144852U Expired JPH0447855Y2 (en) | 1988-11-04 | 1988-11-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0447855Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5437864B2 (en) * | 1974-12-23 | 1979-11-17 |
-
1988
- 1988-11-04 JP JP1988144852U patent/JPH0447855Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5437864B2 (en) * | 1974-12-23 | 1979-11-17 |
Also Published As
Publication number | Publication date |
---|---|
JPH0173717U (en) | 1989-05-18 |
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