WO2017056195A1 - 電磁接触器 - Google Patents
電磁接触器 Download PDFInfo
- Publication number
- WO2017056195A1 WO2017056195A1 PCT/JP2015/077544 JP2015077544W WO2017056195A1 WO 2017056195 A1 WO2017056195 A1 WO 2017056195A1 JP 2015077544 W JP2015077544 W JP 2015077544W WO 2017056195 A1 WO2017056195 A1 WO 2017056195A1
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- WIPO (PCT)
- Prior art keywords
- contact
- movable contact
- electromagnetic contactor
- cover
- contactor
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/06—Bases; Casings; Covers having windows; Transparent cases or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/08—Indicators; Distinguishing marks
Definitions
- the present invention relates to an electromagnetic contactor in which the circuit is disconnected by the force of the return spring and the power supply to the load is disconnected by stopping the excitation of the operation coil.
- the movable contact support or the movement direction end face of the movement direction outermost end of the operation display piece interlocking with the movable contact support is located at the open position of the movable contact with the outer surface of the arc extinguishing cover.
- An electromagnetic contactor located in the same plane is disclosed.
- the electromagnetic contactor disclosed in Patent Document 1 is not visible from the outside of the electromagnetic contactor at the open position of the movable contact, and is exposed to the ground surface of the arc extinguishing cover that is exposed at the contact position and becomes a visible portion.
- the operating state can be easily determined without projecting from the outer surface of the arc extinguishing cover by coloring a color different from the color or attaching a guide piece of a different color.
- the electromagnetic contactor disclosed in Patent Document 1 does not require a movable contact support or an operation display piece to protrude from the housing of the electromagnetic contactor body for discrimination.
- This invention is made in view of the above, Comprising: It aims at obtaining the electromagnetic contactor which can confirm an operation state, even if it does not squint.
- the present invention provides a movable contact provided in the movable contact by moving the movable contact with electromagnetic force, and a fixed contact provided in the fixed contact fixed to the housing. It is an electromagnetic contactor that turns on and off the contact point.
- the present invention has a shape in which the central portion is recessed with respect to the edge portion in the first direction, and a surface having the same height as the central portion is continuous in the second direction intersecting the first direction, and covers the contact point. Has an arc extinguishing cover.
- the present invention is installed at the end of the movable contact, protrudes from the center of the arc extinguishing cover when the contact is off, and buried in the center of the arc extinguishing cover when the contact is on, And an operation display piece for displaying a contact state of the contact.
- the step between the edge portion and the center portion of the arc extinguishing cover is equal to or more than the protruding amount by which the operation display piece projects from the center portion of the arc extinguishing cover when the contact is off.
- the electromagnetic contactor according to the present invention has an effect that the operation state can be confirmed without being obliquely viewed.
- the perspective view of the magnetic contactor which concerns on embodiment of this invention Front view of an electromagnetic contactor according to an embodiment Left side view of an electromagnetic contactor according to an embodiment Right side view of an electromagnetic contactor according to an embodiment Top view of an electromagnetic contactor according to an embodiment Bottom view of electromagnetic contactor according to the embodiment Sectional drawing of the magnetic contactor which concerns on embodiment Sectional drawing of the magnetic contactor which concerns on embodiment Sectional drawing of the magnetic contactor which concerns on embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an electromagnetic contactor according to an embodiment Partial enlarged view of an
- FIG. 1 is a perspective view of an electromagnetic contactor according to an embodiment of the present invention.
- FIG. 2 is a front view of the electromagnetic contactor according to the embodiment.
- FIG. 3 is a left side view of the electromagnetic contactor according to the embodiment.
- FIG. 4 is a right side view of the electromagnetic contactor according to the embodiment.
- FIG. 5 is a top view of the electromagnetic contactor according to the embodiment.
- FIG. 6 is a bottom view of the electromagnetic contactor according to the embodiment.
- FIG. 7 is a cross-sectional view of the electromagnetic contactor according to the embodiment, showing a cross-section VII-VII in FIG.
- FIG. 8 is a cross-sectional view of the magnetic contactor according to the embodiment, showing a cross-section VIII-VIII in FIG.
- FIG. 9 is a cross-sectional view of the electromagnetic contactor according to the embodiment, showing a cross section IX-IX in FIG.
- FIG. 10 is a partially enlarged view of the electromagnetic contactor according to the embodiment, and shows a portion A in FIG.
- FIG. 11 is a partially enlarged view of the electromagnetic contactor according to the embodiment, and shows a portion B in FIG.
- FIG. 12 is a partially enlarged view of the electromagnetic contactor according to the embodiment, and shows a portion C in FIG.
- FIG. 13 is a partially enlarged view of the electromagnetic contactor according to the embodiment, and shows a D portion in FIG. 9.
- FIG. 14 is a partially enlarged view of the magnetic contactor according to the embodiment, and shows an E part in FIG. 2.
- the magnetic contactor 10 is fixed to the movable core 33 movably accommodated in the rear case 16 and the rear case 16, and when the operation coil 31 is excited, the movable core 33. And an open / close portion 19 having a fixed contact 1 for moving load current on and off, a movable contact 2 and a return spring 34.
- a movable contact support 3 that supports the movable contact 4 is connected to the movable iron core 33.
- the movable contact 4 includes a movable contact 2.
- a fixed contact 6 having a fixed contact 1 is incorporated in the housing 5.
- the fixed contact 1 and the movable contact 2 are paired to form one contact.
- the stationary contact 6 includes a terminal 11 for connecting an electric wire by a terminal screw 14.
- the terminal 11 is covered with a terminal cover 8.
- the arc extinguishing cover 7 has a central portion 7b that is recessed with respect to the edge portion 7a in the first direction indicated by the arrow A in FIG. 1, and in the second direction indicated by the arrow B in FIG.
- the surface having the same height as the central portion 7b is formed into a stepped bottom surface 13 continuously.
- the first direction indicated by the arrow A and the second direction indicated by the arrow B are orthogonal to each other.
- the arc extinguishing cover 7 includes an arc extinguishing mechanism that covers the fixed contact 1 and the movable contact 2.
- the arc extinguishing cover 7 is provided with a square hole 15.
- the terminal cover 8 has a shape having a terminal cover edge portion 8a continuous with the edge portion 7a and a terminal cover center portion 8b continuous with the center portion 7b.
- the terminal cover 8 has a shape having a terminal cover edge portion 8a continuous with the edge portion 7a and a terminal cover central portion 8b continuous with the central portion 7b, the edge portion 7a and the central portion 7b are formed on the product side portion. And the step 22 between the terminal cover edge portion 8a and the terminal cover center portion 8b is connected.
- the movable iron core 33 When the operating coil 31 is excited, the movable iron core 33 is attracted to the fixed iron core 32, and the movable contact 2 contacts the fixed contact 1 in conjunction with the movement of the movable iron core 33 to close the circuit. Turns on when current flows.
- the excitation of the operation coil 31 is released, the movable iron core 33 is released from the fixed iron core 32 by the return spring 34, the movable contact 2 is separated from the fixed contact 1, the load current is cut off, and the electromagnetic contactor 10 returns to the off state. .
- the opening / closing part 19 is turned off when in the off state and cut off when in the on state and the auxiliary fixed contact 20a and the auxiliary movable contact 21a.
- the auxiliary fixed contact 20b and the auxiliary movable contact 21b are provided.
- the tip 9 of the movable contact support 3 protrudes from the step bottom surface 13 through the square hole 15 of the arc extinguishing cover 7.
- the electromagnetic contactor 10 in the off state since no other components facing the front end portion 9 of the movable contact support 3 are positioned in directions other than both side surfaces and the bottom surface, the electromagnetic contactor 10 can be viewed from the upper surface side and the lower surface side.
- the off state can be easily identified. That is, the OFF state of the magnetic contactor 10 can be easily identified from the viewpoint direction in FIGS.
- the tip 9 of the movable contact support 3 is drawn into the arc extinguishing cover 7, so that the tip 9 is not visible and the electromagnetic contactor 10 is in the on state. This can be easily identified from the upper surface side and the lower surface side, and the operation state of the electromagnetic contactor 10 can be easily confirmed.
- the operation state of the electromagnetic contactor 10 can be confirmed from the front side, the upper surface side, and the lower surface side without perspective.
- the movable contact support 3 protrudes from the step bottom surface 13 when the electromagnetic contactor 10 is off and the contact point is off, and when the electromagnetic contactor 10 is on and the contact point is on, the step bottom surface 13. It becomes an operation display piece that displays the state of the fixed contact 1 and the movable contact 2.
- the protruding amount L1 of the distal end portion 9 of the movable contact support 3 when the electromagnetic contactor 10 is in the OFF state is the product side portion away from the distal end portion 9 of the movable contact support 3.
- the size of the step 17 is less than or equal to L2. That is, the step 17 between the edge portion 7a and the central portion 7b of the arc extinguishing cover 7 is equal to or more than the protrusion amount L1 at which the tip portion 9 of the movable contact support 3 protrudes from the step bottom surface 13 when the electromagnetic contactor 10 is off. It is.
- the dimensional relationship shown in the following formula (1) is established with the contact overtravel magnitude L5, which is the amount of movement.
- the contact overtravel can be translated into the amount of movement of the movable contact 4 from when the auxiliary movable contact 21 a comes into contact with the auxiliary fixed contact 20 a to when it comes into contact with the movable contact support 3. it can.
- the pressure to the auxiliary fixed contact 20a which is determined by the amount of movement of the movable contact 4 from when the auxiliary movable contact 21a contacts the auxiliary fixed contact 20a until the auxiliary fixed contact 20a is pushed down, decreases, and the current is passed. There is no force to suppress the electromagnetic repulsive force generated by the generated current, and chattering that lifts the contact point due to external vibration is likely to occur. As a result, abnormal contact and contact welding due to the occurrence of an arc between the auxiliary fixed contact 20a and the auxiliary movable contact 21a due to contact malfunction and contact floating are likely to occur, resulting in functional loss of the electromagnetic contactor 10. Similarly, when the movable contact 2 and the fixed contact 1 come into contact with each other easily, the same phenomenon as described above occurs.
- the terminal cover central portion 8 b can be arranged in the same plane as the step bottom surface 13.
- step difference bottom face 13 and the terminal cover center part 8b can be considered as a continuous surface. Therefore, information can be printed across the step bottom surface 13 and the terminal cover 8, or an optional unit having a size that protrudes from the step bottom surface 13 to the terminal cover central portion 8 b can be disposed on the step bottom surface 13.
- the mechanical movable contact support 3 can be easily pushed, and the movable contact 2 and the fixed contact 1 can be brought into contact with each other.
- the movement of the movable contact support 3 can be confirmed safely, thereby facilitating maintenance.
- the diagonal dimension L6 of the square hole 15 from which the tip 9 of the movable contact support 3 protrudes is smaller than the size of a human finger.
- the square hole 15 has a diagonal dimension of 12.5 mm or less, and the degree of protection against external solids is IEC 60529, which is a standard of IEC (International Electrotechnical Commission), which is a standard of IEC 60529. It will be considerable.
- the control panel contacts the upper surface of the step on the side of the product. Since the electromagnetic contactor 10 is maintained in the off state without the portion 9 abutting, the function of the electromagnetic contactor 10 is not impaired. For this reason, it is not necessary to provide a gap between the tip 9 of the movable contact support 3 and the control panel, and the control panel using the electromagnetic contactor 10 can be downsized.
- the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
図1は、本発明の実施の形態に係る電磁接触器の斜視図である。図2は、実施の形態に係る電磁接触器の正面図である。図3は、実施の形態に係る電磁接触器の左側面図である。図4は、実施の形態に係る電磁接触器の右側面図である。図5は、実施の形態に係る電磁接触器の上面図である。図6は、実施の形態に係る電磁接触器の下面図である。図7は、実施の形態に係る電磁接触器の断面図であり、図2中のVII-VII断面を示す。図8は、実施の形態に係る電磁接触器の断面図であり、図2中のVIII-VIII断面を示す。図9は、実施の形態に係る電磁接触器の断面図であり、図2中のIX-IX断面を示す。図10は、実施の形態に係る電磁接触器の部分拡大図であり、図6中のA部を示す。図11は、実施の形態に係る電磁接触器の部分拡大図であり、図8中のB部を示す。図12は、実施の形態に係る電磁接触器の部分拡大図であり、図7中のC部を示す。図13は、実施の形態に係る電磁接触器の部分拡大図であり、図9中のD部を示す。図14は、実施の形態に係る電磁接触器の部分拡大図であり、図2中のE部を示す。
Claims (4)
- 可動接触子を電磁力で移動させて、前記可動接触子が備える可動接点と、ハウジングに固定された固定接触子が備える固定接点とがなす接点を開閉する電磁接触器であって、
第1の方向では縁部に対して中央部が凹み、前記第1の方向と交差する第2の方向では、前記中央部と同じ高さの面が連続した形状であり、前記接点を覆う消弧カバーと、
前記可動接触子の端部に設置され、前記接点がオフの時は前記消弧カバーの前記中央部から突出し、かつ、前記接点がオンの時は前記消弧カバーの前記中央部に埋没して、前記接点の接触状態を表示する動作表示片とを有し、
前記消弧カバーの前記縁部と前記中央部との段差は、前記接点がオフの時に前記消弧カバーの前記中央部から前記動作表示片が突出する突出量以上であることを特徴とする電磁接触器。 - 前記接点がオフの時に導通し、前記接点がオンの時に遮断される補助固定接点及び補助可動接点を有し、
前記接点がオフの時に前記動作表示片が前記消弧カバーの前記中央部から突出する突出量は、前記補助可動接点と前記補助固定接点とが接触し始めてから前記補助可動接点が前記補助固定接点を押し切る量であるオーバトラベル以下であることを特徴とする請求項1に記載の電磁接触器。 - 前記接点がオフの時に前記動作表示片が前記消弧カバーの前記中央部から突出する突出量は、前記可動接点と前記固定接点との空隙以下であることを特徴とする請求項1に記載の電磁接触器。
- 前記固定接触子に電線を接続するための端子を覆う端子カバーを備え、
前記端子カバーは、前記縁部と連続する端子カバー縁部と、前記中央部と連続する端子カバー中央部とを有する形状であることを特徴とする請求項1から3のいずれか1項に記載の電磁接触器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/741,791 US10497525B2 (en) | 2015-09-29 | 2015-09-29 | Electromagnetic contactor |
PCT/JP2015/077544 WO2017056195A1 (ja) | 2015-09-29 | 2015-09-29 | 電磁接触器 |
JP2016548384A JP6045763B1 (ja) | 2015-09-29 | 2015-09-29 | 電磁接触器 |
KR1020187007354A KR101855645B1 (ko) | 2015-09-29 | 2015-09-29 | 전자 접촉기 |
CN201580083391.0A CN108140511A (zh) | 2015-09-29 | 2015-09-29 | 电磁接触器 |
Applications Claiming Priority (1)
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PCT/JP2015/077544 WO2017056195A1 (ja) | 2015-09-29 | 2015-09-29 | 電磁接触器 |
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WO2017056195A1 true WO2017056195A1 (ja) | 2017-04-06 |
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PCT/JP2015/077544 WO2017056195A1 (ja) | 2015-09-29 | 2015-09-29 | 電磁接触器 |
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US (1) | US10497525B2 (ja) |
JP (1) | JP6045763B1 (ja) |
KR (1) | KR101855645B1 (ja) |
CN (1) | CN108140511A (ja) |
WO (1) | WO2017056195A1 (ja) |
Cited By (1)
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WO2024047906A1 (ja) * | 2022-08-30 | 2024-03-07 | 富士電機機器制御株式会社 | 電磁接触器及びヘッドオンユニットの連結構造 |
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CN108899251A (zh) * | 2018-09-17 | 2018-11-27 | 浙江天正电气股份有限公司 | 一种接触器 |
Citations (3)
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JPS5770642U (ja) * | 1980-10-16 | 1982-04-28 | ||
JPH0433628Y2 (ja) * | 1984-11-24 | 1992-08-12 | ||
JP2008027656A (ja) * | 2006-07-19 | 2008-02-07 | Fuji Electric Fa Components & Systems Co Ltd | 電磁接触器 |
Family Cites Families (14)
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JPS5529972Y2 (ja) | 1973-08-08 | 1980-07-17 | ||
JPH0433628A (ja) | 1990-05-29 | 1992-02-05 | Matsushita Electric Ind Co Ltd | 電気掃除機用床ノズル |
JPH07182959A (ja) | 1993-11-09 | 1995-07-21 | Fuji Electric Co Ltd | 電磁接触器の動作表示装置 |
ITBO20050197A1 (it) * | 2005-03-25 | 2006-09-26 | Omt Off Mecc Tartarini | Regolatore di pressione per gas e relativo metodo di montaggio e smontaggio |
JP4848887B2 (ja) | 2006-08-16 | 2011-12-28 | 富士電機機器制御株式会社 | 電磁接触器 |
JP4807430B2 (ja) * | 2009-03-30 | 2011-11-02 | 富士電機機器制御株式会社 | 電磁接触器 |
JP4957764B2 (ja) * | 2009-08-20 | 2012-06-20 | 富士電機機器制御株式会社 | 可逆型電磁接触器 |
JP5018905B2 (ja) | 2010-01-27 | 2012-09-05 | 富士電機機器制御株式会社 | 電磁接触器ユニット |
JP5504925B2 (ja) * | 2010-01-29 | 2014-05-28 | 富士電機機器制御株式会社 | 可逆形電磁接触器 |
JP5526920B2 (ja) * | 2010-03-26 | 2014-06-18 | 富士電機機器制御株式会社 | 可逆形電磁接触器 |
JP4978716B2 (ja) | 2010-05-27 | 2012-07-18 | 富士電機機器制御株式会社 | 電磁接触器及び電磁接触器の組立て方法 |
JP5029731B2 (ja) * | 2010-07-08 | 2012-09-19 | 富士電機機器制御株式会社 | 電磁接触器 |
JP5809443B2 (ja) * | 2011-05-19 | 2015-11-10 | 富士電機株式会社 | 接点機構及びこれを使用した電磁接触器 |
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2015
- 2015-09-29 WO PCT/JP2015/077544 patent/WO2017056195A1/ja active Application Filing
- 2015-09-29 US US15/741,791 patent/US10497525B2/en active Active
- 2015-09-29 JP JP2016548384A patent/JP6045763B1/ja active Active
- 2015-09-29 CN CN201580083391.0A patent/CN108140511A/zh active Pending
- 2015-09-29 KR KR1020187007354A patent/KR101855645B1/ko active IP Right Grant
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JPS5770642U (ja) * | 1980-10-16 | 1982-04-28 | ||
JPH0433628Y2 (ja) * | 1984-11-24 | 1992-08-12 | ||
JP2008027656A (ja) * | 2006-07-19 | 2008-02-07 | Fuji Electric Fa Components & Systems Co Ltd | 電磁接触器 |
Cited By (1)
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WO2024047906A1 (ja) * | 2022-08-30 | 2024-03-07 | 富士電機機器制御株式会社 | 電磁接触器及びヘッドオンユニットの連結構造 |
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Publication number | Publication date |
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CN108140511A (zh) | 2018-06-08 |
KR20180031062A (ko) | 2018-03-27 |
JP6045763B1 (ja) | 2016-12-14 |
KR101855645B1 (ko) | 2018-05-04 |
US20180197708A1 (en) | 2018-07-12 |
JPWO2017056195A1 (ja) | 2017-10-05 |
US10497525B2 (en) | 2019-12-03 |
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