JPH0170229U - - Google Patents
Info
- Publication number
- JPH0170229U JPH0170229U JP1987165511U JP16551187U JPH0170229U JP H0170229 U JPH0170229 U JP H0170229U JP 1987165511 U JP1987165511 U JP 1987165511U JP 16551187 U JP16551187 U JP 16551187U JP H0170229 U JPH0170229 U JP H0170229U
- Authority
- JP
- Japan
- Prior art keywords
- arc extinguishing
- movable contact
- fixed
- intervals
- contact
- 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.)
- Pending
Links
- 239000012212 insulator Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Description
第1図ないし第8図はこの考案による電磁接触
器の消弧装置の一実施例を示す図で、第1図は電
磁接触器の縦断面図、第2図は第1図のA―A線
に沿う断面図、第3図は第1図のB矢視図、第4
図は接点開離途中の要部縦断面図、第5図は第4
図のC―C線に沿う断面図、第6図は接点開離完
了時の要部縦断面図、第7図は第6図のD―D線
に沿う断面図、第8図は要部分解斜視図、第9図
は実施例と従来装置とのアーク滞留時間比較線図
、第10図ないし第17図は従来の電磁接触器の
消弧装置の一例を示す図で、第10図は電磁接触
器の縦断面図、第11図は第10図のE―E線に
沿う断面図、第12図は第10図のF矢視図、第
13図は接点開離途中の要部縦断面図、第14図
は第13図のG―G線に沿う断面図、第15図は
接点開離完了時の要部縦断面図、第16図は第1
5図のH―H線に沿う断面図、第17図は要部分
解斜視図、第18図は接触子装置の遮断原理説明
図、第19図は横軸が時間、縦軸が電圧を表わす
アーク電圧波形図である。
11……固定接触子、2……固定接点、13…
…磁極板、14……ホルダ、15……可動接点、
16……可動接触子、20……接触子装置、61
……消弧室、62a,62b,63……消弧グリ
ツド、64……絶縁枠、64a……隔壁、65…
…絶縁蓋、65a……ガス抜き孔、70……消弧
装置。
Figures 1 to 8 are diagrams showing an embodiment of the arc extinguishing device for a magnetic contactor according to this invention. A cross-sectional view along the line, Figure 3 is a view taken in the direction of arrow B in Figure 1, and Figure 4 is a cross-sectional view along the line.
The figure is a vertical cross-sectional view of the main part in the middle of contact opening, and Figure 5 is the 4th section.
A sectional view taken along the line C-C in the figure, Fig. 6 is a longitudinal sectional view of the main part when the contact is completed, Fig. 7 is a sectional view taken along the line D-D in Fig. 6, and Fig. 8 is the main part. An exploded perspective view, FIG. 9 is a comparison diagram of arc residence time between the embodiment and a conventional device, FIGS. 10 to 17 are diagrams showing an example of a conventional arc extinguishing device for an electromagnetic contactor, and FIG. A longitudinal cross-sectional view of the electromagnetic contactor, Fig. 11 is a cross-sectional view taken along line E-E in Fig. 10, Fig. 12 is a view taken in the direction of arrow F in Fig. 10, and Fig. 13 is a longitudinal cross-section of the main part during contact opening. 14 is a sectional view taken along the line GG in FIG.
5 is a cross-sectional view taken along line H-H in Figure 5, Figure 17 is an exploded perspective view of the main parts, Figure 18 is an explanatory diagram of the breaking principle of the contactor device, and Figure 19 shows the horizontal axis representing time and the vertical axis representing voltage. It is an arc voltage waveform diagram. 11... Fixed contact, 2... Fixed contact, 13...
...Magnetic pole plate, 14...Holder, 15...Movable contact,
16...Movable contactor, 20...Contactor device, 61
...Arc extinguishing chamber, 62a, 62b, 63...Arc extinguishing grid, 64...Insulating frame, 64a...Partition wall, 65...
...Insulating lid, 65a... Gas vent hole, 70... Arc extinguishing device.
Claims (1)
の対向側に固定接点が背面側に磁極板がそれぞれ
固着された2個を一対とする固定接触子、該固定
接触子の対向間を上下方向摺動自在なホルダに支
持された前記固定接点間を橋絡開放する可動接点
を備えた可動接触子でなる接触子装置に付属され
る消弧装置であつて、前記接触子装置を極毎に区
画する消弧室内壁幅が前記可動接触子の動作領域
内壁幅より広く対向隔壁が形成され上方が開口さ
れた絶縁枠と該絶縁枠に固着され前記可動接触子
の上方に位置するとともに両端が可動接触子の両
端に接近するように形成された短絡板と、前記消
弧室内壁間に前記固定接触子のそれぞれと直交す
るように間隔をおき並設された複数の消弧グリツ
ドと、前記絶縁枠の上面に着脱可能に取付けられ
前記消弧グリツドの間隔位置に多数個のガス抜き
孔が設けられた絶縁とを備えてなることを特徴と
する電磁接触器の消弧装置。 A pair of fixed contacts arranged in a U-shape and facing each other at intervals, with a fixed contact on the opposite side of the upper leg piece and a magnetic pole plate fixed on the back side, respectively. An arc extinguishing device attached to a contact device comprising a movable contact having a movable contact for bridging and opening between the fixed contacts supported by a holder capable of sliding in a direction, the arc extinguishing device an insulating frame having a wall width wider than the inner wall width of the operating area of the movable contact and having an opening at the top and fixed to the insulating frame and located above the movable contact; a short-circuit plate formed so as to be close to both ends of the movable contact; a plurality of arc extinguishing grids arranged in parallel at intervals between the walls of the arc extinguishing chamber so as to be orthogonal to each of the fixed contacts; An arc extinguishing device for an electromagnetic contactor, comprising an insulator detachably attached to the upper surface of the insulating frame and having a plurality of gas vent holes provided at intervals between the arc extinguishing grids.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987165511U JPH0170229U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987165511U JPH0170229U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0170229U true JPH0170229U (en) | 1989-05-10 |
Family
ID=31452063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987165511U Pending JPH0170229U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0170229U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5574015A (en) * | 1978-11-28 | 1980-06-04 | Siemens Ag | Device for deenergizing dc switch |
JPS57191913A (en) * | 1981-05-20 | 1982-11-25 | Mitsubishi Electric Corp | Power switching device |
-
1987
- 1987-10-29 JP JP1987165511U patent/JPH0170229U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5574015A (en) * | 1978-11-28 | 1980-06-04 | Siemens Ag | Device for deenergizing dc switch |
JPS57191913A (en) * | 1981-05-20 | 1982-11-25 | Mitsubishi Electric Corp | Power switching device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH07296707A (en) | Magnetic driving iron core insulating device for circuit breaker | |
JPH0170229U (en) | ||
JPH0170227U (en) | ||
JPH0170224U (en) | ||
JPH0170226U (en) | ||
JPH0170225U (en) | ||
JPH0173722U (en) | ||
JPH0170228U (en) | ||
JPS6254450U (en) | ||
JPS61202841U (en) | ||
JPS63167647U (en) | ||
JPH0177244U (en) | ||
JPS6294540U (en) | ||
JPS63167645U (en) | ||
JPS6158810U (en) | ||
JPS642323U (en) | ||
JPH083948Y2 (en) | Movable contact support structure for electrical equipment | |
JPS6213323Y2 (en) | ||
JPS62145251U (en) | ||
JPS63167646U (en) | ||
JPH01112543U (en) | ||
JPS61132658U (en) | ||
JPH01134347U (en) | ||
JPS63131507U (en) | ||
JPH0175923U (en) |