JPH0128618Y2 - - Google Patents
Info
- Publication number
- JPH0128618Y2 JPH0128618Y2 JP1982040711U JP4071182U JPH0128618Y2 JP H0128618 Y2 JPH0128618 Y2 JP H0128618Y2 JP 1982040711 U JP1982040711 U JP 1982040711U JP 4071182 U JP4071182 U JP 4071182U JP H0128618 Y2 JPH0128618 Y2 JP H0128618Y2
- Authority
- JP
- Japan
- Prior art keywords
- earth leakage
- solenoid
- plunger
- disconnector
- tripping device
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 9
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Breakers (AREA)
Description
【考案の詳細な説明】
〔考案の技術分野〕
本考案は漏電によつて生ずる感電、火災等の危
害を未然に防止する漏電しや断器の漏電引はずし
装置に係り、特に漏電しや断時に表示を行わせる
機能を兼ね備えた漏電しや断器の漏電引はずし装
置に関するものである。[Detailed description of the invention] [Technical field of the invention] The present invention relates to an earth leakage tripping device for electric leakage and disconnection that prevents hazards such as electric shock and fire caused by electric leakage. This invention relates to an earth leakage tripping device for earth leakage and disconnection, which also has the function of displaying an indication at certain times.
一般に漏電しや断器は保護しや断機能により次
のように分類されている。すなわち漏電しや断器
には(イ)地絡しや断できるもの、(ロ)地絡しや断およ
び過負荷保護のできるもの、(ハ)地絡しや断、過負
荷保護、および短絡保護のできるものがある。前
記分類(ロ)、(ハ)においては、事故電流で漏電しや断
器が自動しや断した時、地絡事故で自動しや断し
たのか、過負荷および短絡事故で自動しや断した
のかの判別が一目でできるように、特に地絡事故
で自動しや断した場合に漏電引はずし動作に連動
させて表示装置の表示部材を作動させモールドカ
バーの外部に漏電で動作したことを表示させる漏
電引はずし装置があり、この種の漏電引はずし装
置において特に漏電しや断器の開閉機構にいわゆ
るスローメイク機構を採用し、漏電表示をハンド
ルオン操作に自動リセツトでき、且つ漏電表示を
手動でもリセツトできるようにした漏電引はずし
装置が知られている。
In general, earth leakage and disconnection devices are classified into the following categories based on their protection and disconnection functions. In other words, earth leakage and disconnection devices include (a) those that can cause ground faults and disconnections, (b) those that can provide earth faults and disconnections, and overload protection, and (c) those that can provide earth faults and disconnections, overload protection, and short circuits. There are things that can be protected. In the above classifications (B) and (C), when there is a current leakage or automatic disconnection due to a fault current, whether the disconnection occurs automatically due to a ground fault, or when the disconnection automatically disconnects due to an overload or short circuit accident. In order to be able to determine at a glance whether or not the current has occurred, the display member of the display device is activated in conjunction with the current leakage tripping operation, especially in the event of an automatic disconnection due to a ground fault, and an indication is displayed on the outside of the mold cover that the current has been activated due to a current leakage. This type of earth leakage tripping device employs a so-called slow make mechanism for the opening/closing mechanism of earth leakage and disconnection, and can automatically reset the earth leakage display to handle-on operation, and can also be used to manually reset the earth leakage display. However, there are known earth leakage tripping devices that can be reset.
このような漏電引はずし装置はソレノイドとア
マチユアロツド、漏電表示部材、自動リセツト用
復帰レバー等の構成要素からなり、その組立が非
常に複雑であり、漏電引はずし装置の漏電しや断
器への固定もネジ締め等により行なつていた。こ
のため従来、組立作業が極めて煩雑となり、作業
性が悪いという問題があつた。 This type of earth leakage tripping device consists of components such as a solenoid, an armature rod, an earth leakage display member, and a return lever for automatic reset, and its assembly is extremely complicated. This was also done by tightening screws, etc. For this reason, there has been a problem in the past that assembly work has been extremely complicated and workability has been poor.
本考案は組立作業が簡単で済みしかも確実に動
作する漏電しや断器の漏電引はずし装置を提供す
ることを目的としている。
The object of the present invention is to provide an earth leakage tripping device for earth leakage and disconnection that is easy to assemble and operates reliably.
本考案は、漏電引はずし用のソレノイドの一端
部にこのソレノイドの作用方向と交叉する方向に
摺動可能に復帰レバーを支持させ且つ該復帰レバ
ーの一端部に前記漏電表示部材を係合させるとと
もに、前記ソレノイドと対をなすプランジヤはプ
ランジヤ復帰バネを前記ソレノイドとの間に介挿
した状態で前記復帰レバーに係合する構成とした
ことを特徴としている。
In the present invention, a return lever is supported at one end of a solenoid for earth leakage tripping so as to be slidable in a direction perpendicular to the operating direction of the solenoid, and the earth leakage indicating member is engaged with one end of the return lever. The plunger paired with the solenoid is configured to engage with the return lever with a plunger return spring interposed between the plunger and the solenoid.
第１図〜第４図に本考案の一実施施例の構成を
示す。
1 to 4 show the structure of an embodiment of the present invention.
１および２は漏電しや断器の筐体を構成するそ
れぞれカバーおよびケースであり絶縁部材で形成
されている。３は電源端子であつて黄銅、銅等の
導電材料から成り、一端に接点３−１を有してい
る。４は可動導体であり、クロスバー８を介して
２極あるいは３極等複数極の可動導体４が連動す
るようになつている。５はコイルであり、可動導
体４と負荷端子（図示していない）に電気的に結
合されている。１０はハンドルでありこのハンド
ル１０をオン位置（第１図はオフ状態）に動作さ
せると可動導体４はトーシヨンバネ１１のバネ力
に抗して回転し、可動導体４の先端の接点４−１
と電源端子３の接点３−１が接触し、電源端子３
から負荷端子まで電気的に接続され、電流を流す
ことができる。ハンドル１０をオフ位置に動作さ
せると（第１図の状態）電源端子３の接点３−１
と可動導体４の接点４−１が開離し、電流は流れ
なくなる。６はアマチユアであり、磁性材料で形
成されていて、コイル５に流れる電流で生じる磁
束による磁気回路でオイルダツシユポツト１２内
の鉄心（図示していない）の動きに応じ、定格電
流以上の過電流が所定の時間以上継続した場合動
作するような構造になつている。この動作時には
アマチユア６はピン９を回転中心として第１図に
おける時計方向に回転し、アマチユア６の足部６
−１が開閉機構を自動しや断させるためのロツド
７を第１図における時計方向に回転させ漏電しや
断器はオン状態からオフ状態に動作し、過電流を
自動しや断する。一方漏電しや断器が所定値以上
の漏電電流を検出すると、ソレノイド１５に電流
が流れソレノイド１５による電磁力でプランジヤ
ユニツト２０がプランジヤ復帰バネ２１のバネ力
に抗して吸引される。この時プランジヤユニツト
２０のレバーの足部２０−１がロツド７を第１図
における時計方向に回転させ漏電しや断器を自動
しや断させる。この時、漏電表示ボタン１３とこ
の漏電表示ボタン１３に係合した復帰レバー１９
は板バネ１４の力により一体的に上部に押し上げ
られ、漏電表示ボタン１３の表示棒１３−２が漏
電しや断器のカバー１の表示用孔部１−１から数
mm突出して漏電しや断器が漏電電流を検知して自
動しや断したことを外部に表示する。一方この漏
電表示棒１３−２をリセツトさせる時は外部から
この表示棒１３−２を押し下げることも可能であ
り、またハンドル１０をオン位置に操作して可動
導体４を閉路させる時、クロスバー８が下の方に
反時計方向に回転し、復帰レバー１９の足部１９
−１を下方に押すことによつて自動的に復帰させ
ることもできる。 Reference numerals 1 and 2 denote a cover and a case, respectively, which constitute the housing of the earth leakage switch and disconnector, and are made of an insulating material. A power terminal 3 is made of a conductive material such as brass or copper, and has a contact 3-1 at one end. Reference numeral 4 denotes a movable conductor, and multiple movable conductors 4 such as two or three poles are interlocked via a cross bar 8. 5 is a coil, which is electrically coupled to the movable conductor 4 and a load terminal (not shown). Reference numeral 10 denotes a handle, and when the handle 10 is moved to the on position (off state in FIG. 1), the movable conductor 4 rotates against the spring force of the torsion spring 11, and the contact 4-1 at the tip of the movable conductor 4 rotates.
The contact 3-1 of the power terminal 3 comes into contact with the power terminal 3.
It is electrically connected from the terminal to the load terminal, allowing current to flow. When the handle 10 is moved to the OFF position (state shown in Fig. 1), the contact 3-1 of the power terminal 3
Then, the contact 4-1 of the movable conductor 4 opens and current no longer flows. Reference numeral 6 denotes an armature, which is made of a magnetic material, and uses a magnetic circuit created by the magnetic flux generated by the current flowing through the coil 5 to generate an excess current exceeding the rated current according to the movement of the iron core (not shown) in the oil dash pot 12. The structure is such that it operates if the current continues for a predetermined period of time or more. During this operation, the armature 6 rotates clockwise in FIG.
-1 rotates the rod 7 for automatically cutting off the opening/closing mechanism in the clockwise direction in FIG. On the other hand, when a leakage current or an earth leakage current exceeding a predetermined value is detected by a disconnector, a current flows through the solenoid 15 and the electromagnetic force generated by the solenoid 15 attracts the plunger unit 20 against the spring force of the plunger return spring 21. At this time, the leg portion 20-1 of the lever of the plunger unit 20 rotates the rod 7 in the clockwise direction in FIG. 1, thereby automatically interrupting the current leakage or disconnection. At this time, the earth leakage display button 13 and the return lever 19 engaged with this earth leakage display button 13
is integrally pushed upward by the force of the leaf spring 14, and the indicator bar 13-2 of the earth leakage indicator button 13 is pushed up by the number from the indicator hole 1-1 of the cover 1 of the earth leakage switch.
If there is a leakage current that sticks out, the disconnector will detect the leakage current and automatically display an external message indicating that it has been disconnected. On the other hand, when resetting this earth leakage indicator bar 13-2, it is also possible to push down this indicator bar 13-2 from the outside, and when operating the handle 10 to the ON position to close the movable conductor 4, the cross bar 8 rotates downward in a counterclockwise direction, and the foot 19 of the return lever 19
It can also be returned automatically by pressing -1 downward.
この漏電しや断器の漏電引はずし装置の組み立
てに際しては、板バネ１４が取り付けられたソレ
ノイド１５と取付台１６とをネジ１７，１８で固
定する。その後プランジヤユニツト２０のプラン
ジヤ２０−２にプランジヤ復帰バネ２１を挿入
し、ソレノイド１５のプランジヤ挿入孔１５−３
の中にプランジヤユニツト２０を挿入する。さら
にソレノイド１５の突起部１５−１，１５−２と
復帰レバー１９の突起部１９−４，１９−５とが
係合するようにして復帰レバー１９をソレノイド
１５に係合させる。最後に漏電表示ボタン１３を
板バネ１４と係合させながら漏電表示ボタンの台
部１３−１に復帰レバー１９の固定用突起部１９
−２，１９−３を係合させる。〔第２図〜第４図、
特に第４図参照〕
このようにして組み立てられた漏電引はずし装
置は取付台１６の突起部１６−１，１６−２でケ
ース２の両側壁に設けられた例えば溝状の凹部に
嵌挿し、その取付台１６の突起部上端１６−３，
１６−４をカバー１で押えることによつて漏電し
や断器の内部に固定される。 When assembling this earth leakage tripping device for earth leakage and disconnection, the solenoid 15 to which the leaf spring 14 is attached and the mounting base 16 are fixed with screws 17 and 18. After that, insert the plunger return spring 21 into the plunger 20-2 of the plunger unit 20, and insert the plunger return spring 21 into the plunger insertion hole 15-3 of the solenoid 15.
Insert the plunger unit 20 into it. Further, the return lever 19 is engaged with the solenoid 15 so that the protrusions 15-1, 15-2 of the solenoid 15 and the protrusions 19-4, 19-5 of the return lever 19 are engaged. Finally, while engaging the earth leakage display button 13 with the plate spring 14, the fixing protrusion 19 of the return lever 19 is attached to the base part 13-1 of the earth leakage display button.
-2, 19-3 are engaged. [Figures 2 to 4,
In particular, see FIG. 4] The earth leakage tripping device assembled in this way is inserted into, for example, groove-shaped recesses provided on both side walls of the case 2 using the projections 16-1 and 16-2 of the mounting base 16. The upper end 16-3 of the protrusion of the mounting base 16,
By pressing 16-4 with cover 1, it is fixed inside the disconnector to prevent electrical leakage.
このような構成とすればソレノイドの一端部の
突起部に復帰レバーを摺動可能に支持させるとと
もに、この復帰レバーの一端部の突起部を漏電表
示部材の台部に係合させ、ソレノイドに設けられ
るプランジヤ復帰バネをソレノイドとの間に介挿
入した状態で復帰レバーに係合させるなどの作業
により、簡単に漏電引きはずし装置を組立てるこ
とができる。このため組立て上の問題による動作
不良の発生がなく、確実な動作が確保できる。ま
た、取付台１６に突起部１６−１，１６−２を形
成し、この突起部１６−１，１６−２をケース２
の凹部に挿入し、この突起部１６−１，１６−２
の上端をカバー１でおさえることにより漏電しや
断器に簡単に固定させることができる。 With such a configuration, the return lever is slidably supported by the protrusion at one end of the solenoid, and the protrusion at one end of the return lever is engaged with the base of the earth leakage indicating member. The earth leakage tripping device can be easily assembled by engaging the return lever with the plunger return spring inserted between the solenoid and the solenoid. Therefore, there is no occurrence of malfunction due to assembly problems, and reliable operation can be ensured. In addition, protrusions 16-1 and 16-2 are formed on the mounting base 16, and these protrusions 16-1 and 16-2 are attached to the case 2.
into the recesses of the projections 16-1, 16-2.
By covering the upper end of the cover 1 with the cover 1, it can be easily fixed to an electrical disconnector.
なお、本考案は上述し且つ図面に示す実施例に
のみ限定されることなくその要旨を変更しない範
囲内で種々変形して実施することができる。 It should be noted that the present invention is not limited to the embodiments described above and shown in the drawings, but can be implemented with various modifications without changing the gist thereof.
本考案によれば、組立作業が簡単で済みしかも
確実に動作する漏電しや断器の漏電引はずし装置
を提供することができる。
According to the present invention, it is possible to provide an earth leakage tripping device for earth leakage and disconnection that is easy to assemble and operates reliably.
第１図は本考案の一実施例の構成を示す断面
図、第２図は同実施例の漏電しや断器の漏電引は
ずし装置部分の構成を示す正面図、第３図は同側
面図、第４図は同漏電引はずし装置の構成を詳細
に示す分解斜視図である。
１…カバー、１−１…表示用孔部、２…ケー
ス、３…電源端子、３−１…接点、４…可動導
体、４−１…接点、５…コイル、６…アマチユ
ア、６−１…アマチユアの足部、７…ロツド、８
…クロスバー、９…ピン、１０…ハンドル、１１
…トーシヨンバネ、１２…オイルダツシユポツ
ト、１３…漏電表示ボタン、１３−１…漏電表示
ボタンの台部、１３−２…漏電表示棒、１４…板
バネ、１５…ソレノイド、１５−１，１５−２…
突起部、１５−３…プランジヤ挿入孔、１６…取
付台、１６−１，１６−２…突起部、１７，１８
…ネジ、１９…復帰レバー、１９−１…復帰レバ
ーの足部、１９−２，１９−３…固定用突起部、
１９−４，１９−５…突起部、２０プランジヤユ
ニツト、２０−１…レバーの足部、２０−２…プ
ランジヤ、２１…プランジヤ復帰バネ。
Fig. 1 is a sectional view showing the structure of an embodiment of the present invention, Fig. 2 is a front view showing the structure of the earth leakage tripping device portion of the earth leakage circuit breaker of the same embodiment, and Fig. 3 is a side view of the same. , FIG. 4 is an exploded perspective view showing the structure of the earth leakage tripping device in detail. 1...Cover, 1-1...Display hole, 2...Case, 3...Power terminal, 3-1...Contact, 4...Movable conductor, 4-1...Contact, 5...Coil, 6...Amateur, 6-1 ...Amateur feet, 7...Rotsudo, 8
...Crossbar, 9...Pin, 10...Handle, 11
...Torsion spring, 12...Oil dash pot, 13...Earth leakage display button, 13-1...Earth leakage display button base, 13-2...Earth leakage display rod, 14...Leaf spring, 15...Solenoid, 15-1, 15- 2...
Projection, 15-3...Plunger insertion hole, 16...Mounting base, 16-1, 16-2...Protrusion, 17, 18
...screw, 19...return lever, 19-1...foot of return lever, 19-2, 19-3...fixing protrusion,
19-4, 19-5... Projection, 20 Plunger unit, 20-1... Lever foot, 20-2... Plunger, 21... Plunger return spring.
Claims (1)
断器を自動しや断させ且つ該しや断器が漏電電
流により自動しや断したことを外部に報知する
ための漏電表示部材を有し、この漏電表示を手
動でリセツトさせる機能ならびに操作ハンドル
を閉路位置に動作させる該しや断器の閉路動作
により前記漏電表示を自動的にリセツトさせる
機能を備えた漏電しや断器の漏電引きはずし装
置において、漏電引きはずし用のソレノイドの
一端部に突起部を設けこのソレノイドの作用方
向と交叉する方向にソレノイドの突起部と係合
する摺動可能な復帰レバーを支持させ且つ該復
帰レバーの一端部に突起部を設け前記漏電表示
部材の台部に係合させ且つソレノイドに取付け
た板バネを、その先端に設けた凹部を漏電表示
部材に係合させるとともに、前記ソレノイドと
対をなすプランジヤはプランジヤ復帰バネを前
記ソレノイドとの間に介挿した状態で前記復帰
レバーに係合する構成としたことを特徴とする
漏電しや断器の漏電引きはずし装置。 (2) 実用新案登録請求の範囲第１項記載の漏電し
や断器の漏電引きはずし装置は、漏電しや断器
のケース両側壁に形成した凹部間に嵌挿され、
該嵌挿部を該漏電しや断器のカバーでおさえる
ことにより該漏電しや断器に固定される構成で
あることを特徴とする漏電しや断器の漏電引き
はずし装置。[Scope of Claim for Utility Model Registration] (1) Detecting earth leakage current, automatically causing the shunt breaker to shut off based on the detection signal, and informing the outside that the shunt breaker has automatically shrunk due to the earth leakage current. It has an earth leakage display member for reporting, and has a function to manually reset the earth leakage display and a function to automatically reset the earth leakage display by moving the operating handle to the closing position or by closing the disconnector. In an earth leakage tripping device for earth leakage or disconnection, a protrusion is provided at one end of a solenoid for earth leakage tripping, and a slidable return that engages with the protrusion of the solenoid in a direction that intersects the operating direction of the solenoid is provided. A plate spring that supports the lever, has a protrusion at one end of the return lever, engages with the base of the earth leakage indicator, and is attached to the solenoid, engages the recess provided at its tip with the earth leakage indicator. In addition, the plunger paired with the solenoid is configured to engage with the return lever with a plunger return spring inserted between the plunger and the solenoid. . (2) The earth leakage tripping device for an earth leakage circuit breaker as described in claim 1 of the utility model registration claim is fitted between recesses formed on both side walls of the case of the earth leakage circuit breaker, and
1. An earth leakage tripping device for an earth leakage or disconnector, characterized in that it is fixed to the earth leakage or disconnector by holding the fitting part with a cover of the earth leakage or disconnector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4071182U JPS58142840U (en) | 1982-03-23 | 1982-03-23 | Earth leakage trip device for earth leakage and disconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4071182U JPS58142840U (en) | 1982-03-23 | 1982-03-23 | Earth leakage trip device for earth leakage and disconnection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58142840U JPS58142840U (en) | 1983-09-26 |
| JPH0128618Y2 true JPH0128618Y2 (en) | 1989-08-31 |
Family
ID=30051918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4071182U Granted JPS58142840U (en) | 1982-03-23 | 1982-03-23 | Earth leakage trip device for earth leakage and disconnection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58142840U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5411556U (en) * | 1977-06-27 | 1979-01-25 | ||
| JPS5413582A (en) * | 1977-07-01 | 1979-02-01 | Sekisui Chem Co Ltd | Heat-shrinkable covering sheet |
-
1982
- 1982-03-23 JP JP4071182U patent/JPS58142840U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5411556U (en) * | 1977-06-27 | 1979-01-25 | ||
| JPS5413582A (en) * | 1977-07-01 | 1979-02-01 | Sekisui Chem Co Ltd | Heat-shrinkable covering sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58142840U (en) | 1983-09-26 |
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