EP1393337B1 - Commutateur a declencheur electromagnetique - Google Patents

Commutateur a declencheur electromagnetique Download PDF

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Publication number
EP1393337B1
EP1393337B1 EP02726096A EP02726096A EP1393337B1 EP 1393337 B1 EP1393337 B1 EP 1393337B1 EP 02726096 A EP02726096 A EP 02726096A EP 02726096 A EP02726096 A EP 02726096A EP 1393337 B1 EP1393337 B1 EP 1393337B1
Authority
EP
European Patent Office
Prior art keywords
housing
bearings
tripping
plunger
switching 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 - Fee Related
Application number
EP02726096A
Other languages
German (de)
English (en)
Other versions
EP1393337A1 (fr
Inventor
Wolfgang Leitl
Christoph Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1393337A1 publication Critical patent/EP1393337A1/fr
Application granted granted Critical
Publication of EP1393337B1 publication Critical patent/EP1393337B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H2071/0292—Housing or frames containing grooves or slots for guiding movable parts
    • 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
    • H01H2071/249—Electromagnetic mechanisms with part of the magnetic circuit being in the normal current path in the circuit breaker, e.g. yoke, fixed contact and arc-runner are made out of one single conductive element
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities

Definitions

  • the invention relates to a switching device with an electromagnetic release according to the preamble of claim 1.
  • a switching device with an electromagnetic release is used for example in the control, switching and command technology.
  • a switching device serve e.g. a contactor, a relay, a power, a line or a motor protection switch.
  • the technique of the electromagnetic release can be used in a DIN rail mounted device with a switching function.
  • Such a switching device in particular a line contactor switch, is known from EP 0 412 953 A2.
  • the structure of this switching device and that of the electromagnetic release arranged therein is complex and in its design linked to fixed installation conditions.
  • the electrical switching device has a complex structure, wherein the plunger of the coil is mounted or guided in a housing-foreign angular element.
  • the object is achieved by a switching device with an electromagnetic release of the type mentioned, in which according to the invention the trip anchor and / or the plunger and / or the trip coil guided in bearings formed by parts of the housing centered and stored.
  • the bearings formed by parts of the housing are designed such that they serve to guide, center and support the trip coil and / or the trip anchor and / or the plunger.
  • a previously required insulating sleeve between the trip coil and the tripping armature can therefore be completely eliminated, whereby the thermal operating conditions are favorably influenced.
  • the bearings are formed as molded part of the housing. This is a simple one-piece unit given that can be produced as a casting or pressing. A cost reduction in the production and assembly of the individual components comes here beneficially bear.
  • At least one of the bearings is designed as a separate housing part and can be arranged in the housing so as to be movable in position.
  • the housing consists of two housing shells.
  • a simple adjustment and positioning of the bearing of the release armature in relation to a switching device arranged in the switching mechanism can be effected, since in each case a housing shell is made in one piece.
  • the housing is made of insulating material.
  • the insulating properties of the insulating material are advantageous in so far as to bear in that this existing provisions for protection against contact and also causes an electrical and thermal decoupling between the components and groups.
  • the magnetic core, an intermediate piece and the yoke are formed as a one-piece assembly.
  • the resulting assembly advantageously contributes to a reduction in the assembly time of the electromagnetic release.
  • a switching device 1a with a housing 2 and with an electromagnetic release 3 is shown symbolically.
  • the electromagnetic trigger 3 is provided with a trigger coil 4, which extends along an imaginary longitudinal axis LA.
  • the trip coil 4 comprises on one side a tripping armature 5 and a plunger 6 operatively connected thereto.
  • the tripping armature 5 and the plunger 6 form a structural unit.
  • the active compound is designed here as a non-positive connection. Alternatively, the active compound can also be designed as a positive or cohesive connection.
  • the tripping coil 4 On the other side opposite the one side, the tripping coil 4 has a magnetic core 7, which merges into a magnetic yoke 9 following an ear-shaped intermediate piece 8.
  • the ear-shaped intermediate piece 8 serves, inter alia, as a fixed contact carrier.
  • the magnetic yoke 9 extends outside of the tripping coil 4 axially parallel to the longitudinal axis LA in the direction of the tripping armature 5.
  • the magnetic core 7 shown is U-shaped and protrudes with its bottom web 10 in such a way in the trip coil 4 in that an air gap 11 is given between it and the trip arm 5.
  • the plunger 6 also extends along the longitudinal axis LA, wherein this is guided by a centrally introduced in the bottom web 10 opening 13 of the magnetic core 7.
  • a coil end 14 of the trip coil 4 is cohesively attached.
  • this compound can also be executed positively or non-positively.
  • the tripping armature 5 is in operative connection with a restraining spring 15, which engages with its free end 16 on the side of the tripping armature 5 facing the tripping coil 4.
  • the trigger coil 4, the trigger anchor 5, the magnetic core 7, the intermediate piece 8 and the magnetic yoke 9 are formed of a conductor material such as copper, steel, aluminum or a suitable alloy.
  • the plunger 6 and the restraint spring 15 may consist of a conductive or insulating material.
  • the tripping coil 4 is guided along the longitudinal axis LA in a first bearing 23a formed by first parts 17a of the housing 2.
  • the magnetic yoke 9 is supported in a fourth and fifth bearing 26 a and 27 a, respectively, which are formed by fourth and fifth parts 20 a and 21 a of the housing 2.
  • the shackle spring 15 is supported in a sixth bearing 28a formed by sixth parts 22a of the housing 2.
  • the formed as Anformmaschine the housing 2 bearings 23a, 24a and 25a may be configured such that the components trip coil 4, tripping armature 5 and plunger 6 are only partially or fully included. Accordingly, the respective radial region of the components is supported.
  • the bearings 23a, 24a and 25a can be formed over the entire component length or only in sections or with recurring sections. The latter also applies mutatis mutandis to the bearings 26a, 27a and 28a of the components magnetic yoke 9 and restraint spring 15.
  • the male parts are in this case materially connected to the housing and formed as injection molding or as a press.
  • Advantageous in this context is the saving of an insulating sleeve, not shown here, which can be arranged between the trip coil 4 and the tripping armature 5.
  • the trip coil 4 is thus arranged so to speak "cantilevered" in the housing 2.
  • the further switching device 1b shown in FIG. 2 differs from the switching device 1a according to FIG. 1 in that at least one of the bearings 23b, 24b and 25b is designed as a separate housing part and can be arranged to be movable in the housing 2. The same applies to the bearings 26b, 27b and 28b.
  • the portable arrangeability is given for example by a plug-in mechanism 29.
  • the plug-in mechanism 29 in this case has bolts 30 and recesses 31 introduced as a counterpart at various points in the housing 2.
  • the second parts 18b of the bearing 24b can hereby be positioned at various points in the housing 2.
  • the positioning can optionally also be achieved by means of a displacement mechanism in which a tongue and groove system is based.
  • Equivalents also fulfill the function of positionability.
  • the bearings 23 a to 28 b have a friction-reducing surface and are generally arranged in two housing shells, which are joined to the housing 2.
  • the housing 2 may also be integrally provided with a corresponding opening for introduction of the components and groups.
  • an insulating material is used to form the housing 2. Insulating material is generally understood as meaning a plastic, in particular a duroplastic or thermoplastic. A thermoset proves a particularly good thermal stability, with a thermoplastic is characterized by a finer design option.
  • the embodiment according to FIG. 1 is particularly suitable for an electromechanical or electromagnetic switching device which has a limited type spectrum.
  • the embodiment according to FIG. 2 can also be used for Such switching devices are used with a wide range of types.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

L'invention vise à optimiser le nombre de composants nécessaires d'un commutateur (1a,1b) et à réaliser une disposition variable pour un déclencheur (3) électromagnétique logé dans le commutateur (1a,1b), tout en obtenant la plus grande précision possible en terme de cinématique. A cet effet, les composants du commutateur (1a,1b), comme la bobine d'excitation (4) et/ou l'induit (5) et/ou le poussoir (6), sont guidés dans des paliers (23a,23b,24a,24b et 25a,25b) formés par les pièces (17a,17b,18a,18b et 19a,19b) du boîtier (2).

Claims (6)

  1. Commutateur (1a, 1b) avec un boîtier (2) et avec un déclencheur électromagnétique (3), qui comporte une bobine de déclenchement (4), un induit de déclenchement (5) et une tige (6) coopérant avec cet induit de déclenchement, la bobine de déclenchement (4) entourant l'induit de déclenchement (5) et la tige (6) et comportant à une extrémité un noyau magnétique (7) qui se transforme en une culasse magnétique (9),
    caractérisé par le fait que la bobine de déclenchement (4) et/ou l'induit de déclenchement (5) et/ou la tige (6) sont guidés, centrés et logés dans des supports (23a, 23b, 24a, 24b respectivement 25a, 25b) formés par des parties (17a, 17b, 18a, 18b respectivement 19a, 19b) du boîtier (2).
  2. Déclencheur selon la revendication 1,
    caractérisé par le fait que les supports (23a à 28b) sont conçus comme des pièces formées d'un seul tenant sur le boîtier (2).
  3. Déclencheur selon l'une des revendications 1 ou 2,
    caractérisé par le fait qu'au moins l'un des supports (23a à 28b) est conçu comme une pièce séparée du boîtier et peut être agencé déplaçable dans le boîtier (2).
  4. Déclencheur selon l'une des revendications précédentes,
    caractérisé par le fait que le boîtier (2) est constitué de deux coques de boîtier.
  5. Déclencheur selon l'une des revendications précédentes,
    caractérisé par le fait que le boîtier (2) est en un matériau isolant.
  6. Déclencheur selon la revendication 1,
    caractérisé par le fait que le noyau magnétique (7), une pièce intercalaire (8) et la culasse magnétique (9) sont conçus comme une unité modulaire d'un seul tenant.
EP02726096A 2001-06-01 2002-05-21 Commutateur a declencheur electromagnetique Expired - Fee Related EP1393337B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10126851A DE10126851C1 (de) 2001-06-01 2001-06-01 Schaltgerät mit einem elektromagnetischen Auslöser
DE10126851 2001-06-01
PCT/DE2002/001824 WO2002099830A1 (fr) 2001-06-01 2002-05-21 Commutateur a declencheur electromagnetique

Publications (2)

Publication Number Publication Date
EP1393337A1 EP1393337A1 (fr) 2004-03-03
EP1393337B1 true EP1393337B1 (fr) 2006-04-12

Family

ID=7686974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02726096A Expired - Fee Related EP1393337B1 (fr) 2001-06-01 2002-05-21 Commutateur a declencheur electromagnetique

Country Status (6)

Country Link
US (1) US20040140874A1 (fr)
EP (1) EP1393337B1 (fr)
CN (1) CN1252774C (fr)
DE (2) DE10126851C1 (fr)
ES (1) ES2258623T3 (fr)
WO (1) WO2002099830A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2258182T3 (es) * 2003-04-30 2006-08-16 Siemens Aktiengesellschaft Mecanismo de disparo electromagnetico.
EP1473752B1 (fr) * 2003-04-30 2008-03-26 Siemens Aktiengesellschaft Déclencheur électromagnétique
CN102339694B (zh) * 2010-07-15 2014-07-09 北京翠祥电器元件有限公司 小型塑料外壳式断路器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1137121B (it) * 1981-04-02 1986-09-03 Sace Spa Interruttore elettrico,particolarmente limitatore di corrente
FR2516304A1 (fr) * 1981-11-09 1983-05-13 Telemecanique Electrique Interrupteur a commande mecanique et ouverture automatique
US4891994A (en) * 1989-02-13 1990-01-09 Plessey Incorporated Linear electromechanical actuator
ES2063331T3 (es) * 1989-08-08 1995-01-01 Felten & Guilleaume Ag Oester Interruptor de proteccion.
CN1037794C (zh) * 1994-02-10 1998-03-18 松下电工株式会社 电流断路器
US5793026A (en) * 1997-04-14 1998-08-11 Eaton Corporation Magnetic trip assembly and circuit breaker incorporating same
DE19735413B4 (de) * 1997-08-14 2007-11-29 Siemens Ag Auslösevorrichtung für einen Schutzschalter

Also Published As

Publication number Publication date
DE10126851C1 (de) 2002-12-19
US20040140874A1 (en) 2004-07-22
CN1252774C (zh) 2006-04-19
WO2002099830A1 (fr) 2002-12-12
DE50206391D1 (de) 2006-05-24
EP1393337A1 (fr) 2004-03-03
ES2258623T3 (es) 2006-09-01
CN1513192A (zh) 2004-07-14

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