EP0976138B1 - Elektromagnetisches schaltgerät - Google Patents
Elektromagnetisches schaltgerät Download PDFInfo
- Publication number
- EP0976138B1 EP0976138B1 EP98929199A EP98929199A EP0976138B1 EP 0976138 B1 EP0976138 B1 EP 0976138B1 EP 98929199 A EP98929199 A EP 98929199A EP 98929199 A EP98929199 A EP 98929199A EP 0976138 B1 EP0976138 B1 EP 0976138B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- bridge carrier
- armature
- compression spring
- contact bridge
- 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 - Lifetime
Links
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 235000003332 Ilex aquifolium Nutrition 0.000 description 1
- 241000209027 Ilex aquifolium Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
- H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
- H01H89/08—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2463—Electromagnetic mechanisms with plunger type armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
- H01H77/101—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening with increasing of contact pressure by electrodynamic forces before opening
Definitions
- the invention relates to an electromagnetic Switchgear with a pair of fixed contacts, a pair of fixed contact elements on which the fixed contacts individually are attached, one loaded with a contact pressure spring movable contact element with a pair of movable Contacts in and out of contact with the fixed contacts can be brought, a contact bridge carrier, on which the movable contact element by means of the contact pressure spring is held, a first electromagnetic Drive device for quick shutdown, with a first Armature and a coil in series with one of the fixed contact elements is connected and a second electromagnetic Drive device for switching the load current on and off with a second anchor.
- a generic electromagnetic switching device is off known from DE 43 18 196 A1. With this electromagnetic Switchgear are switched load currents as well as excessive Currents, mainly short-circuit currents, limited.
- the first electromagnetic drive device is used here as an auxiliary system operated that a force on the at excessive currents exerts movable contact element and thus opens the contacts. This prevents the contacts from becoming damaged electrodynamic forces in an undefined floating state in which the contacts can weld.
- sweat-free contactors are used in conjunction with a Circuit breaker used.
- the contactor is usually for economic reasons with a compared to the circuit breaker low breaking capacity. His Current limitation only supports the circuit breaker. It is therefore necessary that the auxiliary magnet system of the contactor at a higher current than that of the circuit breaker responds.
- the invention has for its object an electromagnetic To create switching device of the above type, in which a short circuit shutdown in connection with improved Measures to prevent the contacts from welding.
- the object is achieved in that the contact bridge carrier in its longitudinal axis compared to the second Anchor is displaceable that on the contact bridge support Compression spring engages through which the movement of the second anchor transferable to the contact bridge carrier for the contact opening is and that the movement of the first anchor upon response the first electromagnetic drive device is implemented on the contact bridge support such that the Contact pressure spring compressed in a first phase and thereby the contact pressure is increased and at the same time the Compression spring stores energy through which the contact bridge carrier in a second phase into the contact opening effecting direction is pressed.
- the contact system arranged in the arc housing 5 2 comprises a movable contact element 6 with movable Contacts 7 at its opposite End areas for contacting a pair of fixed Contacts 8 with a pair of fixed contact elements 9 stay in contact.
- the movable contact element 6 is in a window 10 of a contact bridge carrier guided on the housing side 11 mounted by means of a contact pressure spring 12.
- 1 shows the electromagnetic switching device 1 in the ON state in which the contact bridge support 11 is in the is in the lower position and the contact pressure spring 12 the contacting of the movable contact element 6 movable contacts 7 with the opposite fixed contacts 8 causes.
- the lower end of the contact bridge bracket 11 is designed as a pin 13 which is in a bore 14
- Contact carrier plate 15 is guided.
- the contact carrier plate 15 is with the armature 27 of the second electromagnetic drive device 4 connected.
- the contact bridge support 11 is axially displaceable in the bore 14 via the pin 13.
- the movement in the direction of the drive device located at the bottom in FIG 4 acts on the contact bridge support 11 and the contact carrier plate 15 supporting compression spring 16 opposite.
- On the contact bridge support 11 is by means of a Bolt 18 rotates a lever 17 acting as a transmission member stored, the two arms 19 and 20 on paragraphs Support 21.
- the first electromagnetic drive device 3 is arranged such that its armature 22 when triggered the lever 17 against a carried push pin 23 counter actuated clockwise.
- the coil 24 of the first electromagnetic Drive device 3 is in series with one of the fixed contact elements 9 switched.
- Overcurrents in particular short-circuit currents
- the pressure pin 23 of the first electromagnetic Drive device 3 exerted a force on the bolt 18 is redirected so that the contact force is increased with increasing current.
- the contact bridge carrier becomes 11 via the pin 18 in the direction of the contact carrier plate 15 moved, with only the arm 19 of the lever 17 supports one paragraph 21 and at the same time compression the contact pressure spring 12 and the pressure spring 16 (see FIG 2).
- the switching device 1 is switched off Turn off the second electromagnetic drive device 4 returned to its initial state according to FIG. 4.
- the back pressure spring not shown here the second electromagnetic drive device 4 the lever 17 by an elevation in the housing 26 over the edge 25 pressed back, the edge 25 provided Holm 28 bends away to the side.
- electromagnetic drive device 3 in a first Phase of the contact pressure is increased, the contact pressure spring 12 and the compression spring 16 store energy.
- the subsequent phase is after the contact bridge support is released 11 the energy stored in the springs 12, 16 exploited to suddenly open contacts 7 and 8.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
- FIG 1
- eine Schnittdarstellung eines erfindungsgemäßen Schaltgeräts bei betriebsmäßiger Stromführung im EIN-Zustand,
- FIG 2
- eine Schnittdarstellung des Schaltgeräts gemäß FIG 1 bei anliegendem Kurzschlußstrom,
- FIG 3
- eine Schnittdarstellung des erfindungsgemäßen Schaltgeräts gemäß FIG 1 nach Auslösung des Hilfsmagnetsystems und
- FIG 4
- eine Schnittdarstellung des erfindungsgemäßen Schaltgeräts gemäß FIG 1 im AUS-Zustand.
Claims (3)
- Elektromagnetisches Schaltgerät (1) mit einem Paar von festen Kontakten (8), einem Paar von festen Kontaktelementen (9), an denen die festen Kontakte (8) einzeln befestigt sind; ein mit einer Kontaktdruckfeder (12) beaufschlagtes bewegliches Kontaktelement (6) mit einem Paar von beweglichen Kontakten (7) daran, die in und außer Verbindung mit den festen Kontakten (8) bringbar sind; einem Kontaktbrückenträger (11), an dem das bewegliche Kontaktelement (6) mittels der Kontaktdruckfeder (12) gehalten ist; einer ersten elektromagnetischen Antriebsvorrichtung (3) zur Schnellabschaltung, mit einem ersten Anker (22) und einer Spule (24), die in Serie mit einem der festen Kontaktelemente (9) verbunden ist; einer zweiten elektromagnetischen Antriebsvorrichtung (4) zur Einund Ausschaltung des Laststromes, mit einem zweiten Anker (27), dadurch gekennzeichnet, daß der Kontaktbrückenträger (11) in seiner Längsachse gegenüber dem zweiten Anker (27) verschiebbar ist, daß am Kontaktbrückenträger (11) eine Druckfeder (16) angreift, über die die Bewegung des zweiten Ankers (27) zur Kontaktöffnung auf den Kontaktbrückenträger (11) übertragbar ist, daß die Bewegung des ersten Ankers (22) bei Ansprechen der ersten elektromagnetischen Antriebsvorrichtung (3) auf den Kontaktbrückenträger (11) derart umgesetzt wird, daß die Kontaktdruckfeder (12) in einer ersten Phase komprimiert und dadurch der Kontaktdruck erhöht wird und zugleich auch die Druckfeder (16) Energie speichert, durch welche der Kontaktbrückenträger (11) in einer zweiten Phase in die die Kontaktöffnung bewirkende Richtung gedrückt wird.
- Elektromagnetisches Schaltgerät nach Anspruch 1,
dadurch gekennzeichnet, daß an dem Kontaktbrückenträger (11) ein Übertragungsglied (17) zur Übertragung der Bewegung des ersten Ankers (22) angekoppelt ist. - Elektromagnetisches Schaltgerät nach Anspruch 2,
dadurch gekennzeichnet, daß als Übertragungsglied ein am Kontaktbrückenträger (11) drehbar gelagerter Hebel (17) vorgesehen ist, dessen einer Arm (19) sich in der ersten Phase unter Drehung und gleichzeitiger Mitnahme des Kontaktbrückenträgers (11) abstützt und in der zweiten Phase zur Kontaktöffnung freigegeben ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19716380 | 1997-04-18 | ||
DE19716380A DE19716380C1 (de) | 1997-04-18 | 1997-04-18 | Elektromagnetisches Schaltgerät |
PCT/DE1998/000975 WO1998048436A1 (de) | 1997-04-18 | 1998-04-06 | Elektromagnetisches schaltgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0976138A1 EP0976138A1 (de) | 2000-02-02 |
EP0976138B1 true EP0976138B1 (de) | 2002-07-10 |
Family
ID=7827000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98929199A Expired - Lifetime EP0976138B1 (de) | 1997-04-18 | 1998-04-06 | Elektromagnetisches schaltgerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US6150909A (de) |
EP (1) | EP0976138B1 (de) |
JP (1) | JP4056567B2 (de) |
CN (1) | CN1092392C (de) |
DE (1) | DE19716380C1 (de) |
WO (1) | WO1998048436A1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10246092B4 (de) * | 2002-10-02 | 2004-11-11 | Siemens Ag | Elektromagnetisches Schaltgerät |
CN1253912C (zh) * | 2003-05-29 | 2006-04-26 | 刘平 | 电力开关器 |
JP4395023B2 (ja) * | 2003-11-04 | 2010-01-06 | 三菱電機株式会社 | 回路遮断器 |
DE102004062270B4 (de) * | 2004-12-23 | 2012-08-30 | Siemens Ag | Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes sowie Schaltgerät |
DE102004062267A1 (de) * | 2004-12-23 | 2006-07-13 | Siemens Ag | Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes |
DE102004062266A1 (de) * | 2004-12-23 | 2006-07-13 | Siemens Ag | Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes |
DE102004062269A1 (de) * | 2004-12-23 | 2006-07-13 | Siemens Ag | Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes |
US7298236B2 (en) * | 2005-04-27 | 2007-11-20 | Jingzheng Chen | Circuit breaker electromagnetic tripping device |
DE102006011982B4 (de) * | 2005-10-26 | 2009-04-02 | Abb Ag | Elektrisches Schaltgerät |
DE102006036187A1 (de) * | 2006-08-01 | 2008-02-07 | Siemens Ag | Schaltvorrichtung mit Betätigungselement |
EP2064726A1 (de) * | 2006-09-21 | 2009-06-03 | Siemens Aktiengesellschaft | Schaltgeräteeinheit zum schalten von mindestens zwei betriebszuständen |
DE102006055007A1 (de) * | 2006-11-22 | 2008-05-29 | Abb Ag | Installationsschaltgerät mit einer Doppelunterbrechung |
DE102006055382A1 (de) * | 2006-11-23 | 2008-05-29 | Siemens Ag | Leitungsschutzschalter |
US7518476B2 (en) * | 2007-04-05 | 2009-04-14 | Eaton Corporation | Electrical switching apparatus and trip actuator reset assembly therefor |
US7570139B2 (en) * | 2007-04-05 | 2009-08-04 | Eaton Corporation | Electrical switching apparatus, and trip actuator assembly and reset assembly therefor |
BRPI0822276A2 (pt) * | 2008-02-29 | 2015-06-30 | Siemens Ag | Dispositivo de comutação, método de montagem ou operação de tal dispositivo de comutação e dispositivo elétrico compreendendo tal dispositivo de comutação. |
DE102008016036A1 (de) * | 2008-03-28 | 2009-10-01 | Abb Ag | Installationsschaltgerät mit einer Doppelunterbrechung |
DE102009007586A1 (de) * | 2009-02-05 | 2010-08-19 | Saia-Burgess Dresden Gmbh | Auslösevorrichtung, insbesondere für Leistungsschalter |
CN101789332B (zh) * | 2010-02-10 | 2012-10-31 | 湖北盛佳电器设备有限公司 | 具有机械式短路自锁功能的交流接触器 |
US8476996B2 (en) * | 2010-08-31 | 2013-07-02 | Chih-Chuan Liang | Bistable switching method and latching relay using the same |
DE102011008831A1 (de) * | 2011-01-19 | 2012-07-19 | Abb Ag | Istallationsschaltgerät |
JP5585550B2 (ja) | 2011-07-18 | 2014-09-10 | アンデン株式会社 | 継電器 |
KR101201713B1 (ko) | 2011-12-20 | 2012-11-15 | 엘에스산전 주식회사 | 전자접촉기의 보조접점 기구 |
KR101696954B1 (ko) * | 2012-05-30 | 2017-01-16 | 엘에스산전 주식회사 | 전자 개폐장치 및 그 제조방법 |
CN103198943B (zh) * | 2013-04-09 | 2015-06-03 | 浙江正泰电器股份有限公司 | 一种触头开距可按需放大的开关装置 |
JP6300157B2 (ja) * | 2013-08-02 | 2018-03-28 | パナソニックIpマネジメント株式会社 | 電磁継電器 |
DE102013114830A1 (de) * | 2013-12-23 | 2015-06-25 | Eto Magnetic Gmbh | Elektromagnetische Stellvorrichtung |
KR101622188B1 (ko) * | 2014-09-26 | 2016-05-18 | 엘에스산전 주식회사 | 전자접촉기의 보조 접점기구 |
DE102014117489A1 (de) * | 2014-11-28 | 2016-06-02 | Eaton Electrical Ip Gmbh & Co. Kg | Schnellauslöseanordnung zum Trennen eines Strompfads in einem Schaltgerät |
US10034704B2 (en) | 2015-06-30 | 2018-07-31 | Ethicon Llc | Surgical instrument with user adaptable algorithms |
KR101918237B1 (ko) * | 2017-03-28 | 2018-11-13 | 엘에스산전 주식회사 | 고속스위치 |
CN117954283A (zh) * | 2024-01-17 | 2024-04-30 | 广东中贝能源科技有限公司深圳分公司 | 可强制复位的激励接触器及相关装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408209A1 (fr) * | 1977-11-08 | 1979-06-01 | Telemecanique Electrique | Contacteur electro-magnetique equipe d'un electro-aimant sensible aux surintensites pour provoquer la limitation et la coupure des courants excessifs |
FR2454174A1 (fr) * | 1979-04-09 | 1980-11-07 | Merlin Gerin | Contacteur a commande d'ouverture rapide sur defaut |
EP0114231A1 (de) * | 1983-01-24 | 1984-08-01 | Schaltbau Gesellschaft mbH | Überstromschutz |
EP0237607A1 (de) * | 1986-03-21 | 1987-09-23 | Square D Company (Deutschland) Gmbh | Schütz |
SE460812B (sv) * | 1988-02-08 | 1989-11-20 | Asea Brown Boveri | Elkopplare |
JP2812810B2 (ja) * | 1990-02-14 | 1998-10-22 | 三菱電機株式会社 | 開閉器 |
DE4318196A1 (de) * | 1993-06-01 | 1994-12-08 | Kloeckner Moeller Gmbh | Elektromagnetisches Schaltgerät |
-
1997
- 1997-04-18 DE DE19716380A patent/DE19716380C1/de not_active Expired - Fee Related
-
1998
- 1998-04-06 EP EP98929199A patent/EP0976138B1/de not_active Expired - Lifetime
- 1998-04-06 JP JP54471098A patent/JP4056567B2/ja not_active Expired - Fee Related
- 1998-04-06 WO PCT/DE1998/000975 patent/WO1998048436A1/de active IP Right Grant
- 1998-04-06 US US09/403,292 patent/US6150909A/en not_active Expired - Fee Related
- 1998-04-06 CN CN98801536A patent/CN1092392C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1242868A (zh) | 2000-01-26 |
US6150909A (en) | 2000-11-21 |
JP2001520798A (ja) | 2001-10-30 |
CN1092392C (zh) | 2002-10-09 |
DE19716380C1 (de) | 1998-10-08 |
EP0976138A1 (de) | 2000-02-02 |
JP4056567B2 (ja) | 2008-03-05 |
WO1998048436A1 (de) | 1998-10-29 |
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