EP1215695A2 - Bewegbarer Kontaktträger zur Aufnahme von Kontakthebeln für Niederspannungs-Leistungsschalter - Google Patents
Bewegbarer Kontaktträger zur Aufnahme von Kontakthebeln für Niederspannungs-Leistungsschalter Download PDFInfo
- Publication number
- EP1215695A2 EP1215695A2 EP01250383A EP01250383A EP1215695A2 EP 1215695 A2 EP1215695 A2 EP 1215695A2 EP 01250383 A EP01250383 A EP 01250383A EP 01250383 A EP01250383 A EP 01250383A EP 1215695 A2 EP1215695 A2 EP 1215695A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact carrier
- movable contact
- metallic
- carrier according
- plastic
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
- H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
- H01H1/226—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member having a plurality of parallel contact bars
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
Definitions
- the invention relates to a movable switching contact arrangement, in particular a movable contact carrier for receiving Contact levers for low-voltage circuit breakers using side bearing arms can be swiveled for switching on and off is stored.
- a movable contact carrier for low-voltage circuit breakers is known from DE 35 39 786 A1.
- the bearing arms are part of a bracket that is attached to one Holding body for the contact levers adjusted to size is. It is one of several metal parts existing construction.
- Movable contact carriers consist of a Combination of molded plastic parts and metal parts are.
- This contact lever carrier has a central part that consists of a base body and there is at least one additional body that can be attached to it, the bearing arms being fastened on both sides to the central part are.
- Both of the movable contact carriers mentioned are more conventional Construction composed of several individual components. Such constructions are simple and expedient, but result from many individual tolerances formed, relatively large width tolerance, namely a mutual Sheet tolerance and a tolerance of the central part. Added to this is the fact that tension arms are carried over with metal support arms may occur.
- registration number 199 48 692.1 proposed a complete contact carrier in one piece as a multifunctional part made of a, in particular fiber-reinforced, To manufacture plastic. This also points special lateral guide surfaces, which with counter surfaces of the switch housing interact. This will in spite of what is required in the case of plastic constructions larger dimensions, comparatively small overall dimensions reached.
- the invention has for its object a movable To create contact carriers that have the mechanical strength of a Metal construction with the advantages of plastic technology combines.
- the Movable contact carrier for receiving contact levers for Low-voltage circuit breaker using the side bearing arms is pivotally mounted for switching on and off an insulating body with enclosed by the insulating material metallic reinforcement elements to increase the mechanical Firmness exists.
- the insulating body that the metallic Enclosing reinforcing elements, causes the Insulation against earthed or touchable parts and the metallic Reinforcing elements allow compared to a version made only of plastic, lower material thicknesses.
- the use of plastic can Shape the respective spatial requirements without any problems be adjusted.
- the metallic reinforcing elements can advantageously be used as metallic side parts in the side bearing arms of the movable Contact carrier be formed.
- the metal skeleton then preferably consists of two means at least one web interconnected metallic Side parts for the side bearing arms.
- the metallic side parts for the side bearing arms consist advantageously of one leg with one Hole for receiving the hinge pin for the contact lever, an eyelet for the coupling bolt for the drive elements and one Extension for reinforcing the bearing pin of the contact carrier. The distance between the eyelets of the two metallic
- the eye for the coupling bolt of the drive has an inner one Diameter that is so much larger than the outer one Diameter of the coupling pin that between the two elements annular insulation can be formed. hereby becomes a when casting or pressing the plastic body Plastic lining inserted into the eyelet through which the coupling pin is insulated from the eye.
- the side bearing arms of the contact carrier can be made thinner than such made of pure plastic. If they are thicker than those made of metal, there is an advantage in that there is only one tolerance, namely that of the outside Plastic body. The individual tolerances are balanced inside and the external tolerance is determined only by the shape. This can improve the overall width of the contact carrier can be adjusted to the chamber width of the pole and both Parts, the fixed chamber and the movable contact carrier can be better coordinated. It has to no space for fasteners, such as protruding screw heads or the like, are kept free and by the smooth side walls of the contact carrier result in a good one Tightness against the passage of switching gases in this Area.
- the bottom line is the invention Contact carrier not wider than the previous composite, contact carrier designed as a plastic-metal construction.
- FIG. 1 schematically shows a contact carrier according to the invention in the front view.
- Fig. 2 shows schematically the contact carrier according to the Fig. 1 in a side view.
- FIG. 3 shows a section along the contact carrier the line III-III in Fig.1.
- FIG. 4 shows a section along the contact carrier the line IV-IV in Fig.1.
- Fig. 5 shows schematically a metallic side part for a lateral bearing arm of the contact carrier according to the invention in the side view.
- Fig. 6 shows schematically a metal skeleton for the invention Contact carrier in the front view.
- Fig. 7 shows schematically a metal skeleton for the invention Contact carrier in perspective view.
- Fig. 8 shows schematically a metal skeleton for the invention Contact carrier in perspective view, from another direction.
- FIG. 1 and 2 schematically show an inventive Contact carrier 1 in the front view and in the side view. It essentially consists of a plastic body 2 of the contact carrier 1 for receiving the movable Switch contacts and two side bearing arms 3, 4, on which Bearing journals 5, 6 are arranged, by means of which the contact carrier 1 in a fixed mounting of the switch is pivotally mounted. It also has a bore 7 for the hinge pin around which the contact lever is pivotally mounted are on and a bore 8 for the coupling bolt which the coupling elements of a suitable drive device of the circuit breaker.
- FIG. 3 shows a section through the contact carrier 1 along the line III-III in Fig. 1.
- This section is passed through the side bearing arm 3 and shows a cast or pressed-in metallic side part 9 to increase the mechanical strength of the plastic side bearing arm 3.
- This metallic side part 9 has material cutouts 10 to 13, which are more intensive Connection between the metallic side part 9 and the side bearing arm 3 made of plastic. Farther is the bore 7 for receiving the hinge pin for the contact lever passed through this metallic side part 9.
- FIG. 4 shows a section through the contact carrier 1 along the line IV-IV in Fig. 1.
- This section runs in the direction of view behind the side bearing arm 3 the plastic body 2 of the contact carrier 1 and shows one In FIG. 2 not recognizable part of the metallic Side part 9 in the form of an eyelet 14 through which the coupling bolt is guided for the drive elements.
- This eyelet 14 has such an enlarged diameter against the coupling bolt on that between this and the eyelet 14 of the metallic Side part 9 adequate annular plastic insulation 15 can be provided.
- FIGS. 2 and 3 schematically shows that in FIGS. 2 and 3 Metallic side part 9 shown for a side Bearing arm 3 of the contact carrier 1 according to the invention in a side view. It consists of a leg 16 with the already described bore 7 for receiving the hinge pin for the contact lever, the eyelet 14 also mentioned for the coupling bolt for the drive elements and an extension 17th to reinforce the journal 5.
- the eyelet 14 is in the direction of view by a material thickness arranged reset. This will make a smaller one after installation Span for the points of attack of the driving force reached on the contact carrier.
- Material cutouts 10 to 13 are provided in the leg 16, which is a more intensive connection of the plastic of the cause side bearing arm 3 with the metallic side part 9 should.
- FIG. 6 schematically shows a possible embodiment for a metal skeleton 18 for the entire contact carrier 1 in the front view.
- FIG. 7 and 8 show the metal skeleton 18 according to FIG. 6 in different perspective views.
- the two metallic interconnected by means of a web 19 Side parts 20, 21 exist, as well as the metallic Side parts 9, each of a leg 22, 23 with a bore 24, 25 for receiving the hinge pin for the contact lever, an eyelet 26, 27 for the coupling bolt for the drive elements and an extension 28, 29 to reinforce the journal 5.
- the distance between the eyelets 26, 27 of the two metallic Side parts 20, 21 of the metal skeleton 18 from each other compared to the distance between the legs 22, 23 of the metallic Side parts 20, 21 dimensioned reduced. So that becomes one smaller span for the points of attack of the driving force taken into account on the contact carrier 1.
- the eyelets 26, 27 for the coupling bolt of the drive also have here an inner diameter that is so much larger than the outer diameter of the coupling pin that between both elements an annular insulation, not shown can be trained.
- Material cutouts 30 to 33 are in the legs 22, 23 provided that a more intensive connection of the plastic of the side bearing arm 3 with the metallic side parts 20, 21 should cause.
- the embodiment according to the invention results in a very stable structure, its plastic volume on one for insulation purposes sufficient size is reduced because none of the plastic supporting functions must be taken over.
Landscapes
- Breakers (AREA)
Abstract
Description
Claims (11)
- Bewegbarer Kontaktträger zur Aufnahme von Kontakthebeln für Niederspannungs-Leistungsschalter, der mittels seitlicher Lagerarme zum Ein- und Ausschalten schwenkbar gelagert ist,
dadurch gekennzeichnet, dass er aus einem Kunststoffkörper (2) mit vom Isolierstoff umschlossenen metallischen Verstärkungselementen (9, 18) zur Erhöhung der mechanischen Festigkeit besteht. - Bewegbarer Kontaktträger nach Anspruch 1,
dadurch gekennzeichnet, dass die metallischen Verstärkungselemente metallische Seitenteile (9) in den seitlichen Lagerarmen (3, 4) des bewegbaren Kontaktträgers (1) sind. - Bewegbarer Kontaktträger nach Anspruch 1,
dadurch gekennzeichnet, dass die metallischen Verstärkungselemente als zusammenhängendes Metallskelett (18) für den bewegbaren Kontaktträger (1) ausgebildet sind. - Bewegbarer Kontaktträger nach Anspruch 3,
dadurch gekennzeichnet, dass das Metallskelett (18) aus zwei mittels wenigstens eines Steges (19) miteinander verbundenen metallischen Seitenteilen (2;21) für die seitlichen Lagerarme (3, 4) besteht. - Bewegbarer Kontaktträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die metallischen Seitenteile (9; 20, 21)in den seitlichen Lagerarmen (3, 4), jeder aus einem Schenkel (16; 22, 23) mit einer Bohrung (8; 24) zur Aufnahme des Gelenkbolzens für die Kontakthebel, einer Öse (14; 26, 27) für den Koppelbolzen für die Antriebsorgane und einem Fortsatz (17; 28, 29) zur Verstärkung des Lagerzapfens 5 des Kontaktträgers bestehen. - Bewegbarer Kontaktträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Abstand der Ösen (26, 27) der beiden metallischen Seitenteile (20, 21) des Metallskeletts (18) voneinander gegenüber dem Abstand der Schenkel (22, 23) der Seitenteile (20, 21) verringert bemessen ist. - Bewegbarer Kontaktträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der innere Durchmesser der Öse (14; 26, 27) für den Koppelbolzen des Antriebs mit einem größeren Durchmesser, als dem Durchmesser des Koppelbolzens ausgebildet ist. - Bewegbarer Kontaktträger nach Anspruch 7,
dadurch gekennzeichnet, dass die Differenz zwischen dem inneren Durchmesser der Öse (14; 26, 27) und dem äußeren Durchmesser des Koppelbolzens derart bemessen ist, dass durch den beim Pressen oder Gießen des Kontaktträgers in diesen Zwischenraum eingebrachten Kunststoff eine ausreichende elektrische Isolierung der beiden Elemente erreicht ist. - Bewegbarer Kontaktträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass in den Schenkeln (16; 22, 23) der metallischen Seitenteile (9;20;21) Materialaussparungen (10, 11, 12, 13, 30, 31, 32, 33) zur intensiveren Verbindung des Kunststoffs der seitlichen Lagerarme 3 mit den metallischen Seitenteilen (9; 20, 21) vorgesehen sind. - Bewegbarer Kontaktträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die metallischen Verstärkungselemente (9, 18) vom Kunststoff völlig umhüllt sind. - Bewegbarer Kontaktträger nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Lagerzapfen (5, 6) des Kontaktträgers (1) als Bestandteile der metallischen Verstärkungselemente ohne Kunststoffumhüllung ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10062761 | 2000-12-13 | ||
DE2000162761 DE10062761A1 (de) | 2000-12-13 | 2000-12-13 | Bewegbarer Kontaktträger zur Aufnahme von Kontakthebeln für Niederspannungs-Leistungsschalter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1215695A2 true EP1215695A2 (de) | 2002-06-19 |
EP1215695A3 EP1215695A3 (de) | 2002-09-25 |
EP1215695B1 EP1215695B1 (de) | 2009-03-11 |
Family
ID=7667419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20010250383 Expired - Lifetime EP1215695B1 (de) | 2000-12-13 | 2001-11-01 | Bewegbarer Kontaktträger zur Aufnahme von Kontakthebeln für Niederspannungs-Leistungsschalter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1215695B1 (de) |
DE (2) | DE10062761A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1912240A1 (de) * | 2006-10-13 | 2008-04-16 | ABB S.p.A. | Niederspannungsgerät mit Rotationselement mit hoher elektrodynamischer Festigkeit |
EP2919246A1 (de) * | 2014-03-14 | 2015-09-16 | Siemens Aktiengesellschaft | Rotorwellenmodul für eine Rotorwelle eines Kompaktleistungsschalters, Rotorwelle für einen Kompaktleistungsschalter, Kompaktleistungsschalter sowie Verfahren zur Herstellung eines Rotorwellenmoduls für eine Rotorwelle eines Kompaktleistungsschalters |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4719325A (en) * | 1985-11-07 | 1988-01-12 | Siemens Aktiengesellschaft | Contact arrangement with contact levers pivoted relative to each other in a holder |
EP0353940A2 (de) * | 1988-08-01 | 1990-02-07 | Eaton Corporation | Querbalkenanordnung |
EP0358287A2 (de) * | 1988-09-08 | 1990-03-14 | Siemens Aktiengesellschaft | Antriebsbauteil für einen mehrpoligen Niederspannungs-Leistungsschalter |
GB2287834A (en) * | 1994-03-23 | 1995-09-27 | Gen Electric | Contact carrier for circuit breaker |
-
2000
- 2000-12-13 DE DE2000162761 patent/DE10062761A1/de not_active Withdrawn
-
2001
- 2001-11-01 DE DE50114753T patent/DE50114753D1/de not_active Expired - Lifetime
- 2001-11-01 EP EP20010250383 patent/EP1215695B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4719325A (en) * | 1985-11-07 | 1988-01-12 | Siemens Aktiengesellschaft | Contact arrangement with contact levers pivoted relative to each other in a holder |
EP0353940A2 (de) * | 1988-08-01 | 1990-02-07 | Eaton Corporation | Querbalkenanordnung |
EP0358287A2 (de) * | 1988-09-08 | 1990-03-14 | Siemens Aktiengesellschaft | Antriebsbauteil für einen mehrpoligen Niederspannungs-Leistungsschalter |
GB2287834A (en) * | 1994-03-23 | 1995-09-27 | Gen Electric | Contact carrier for circuit breaker |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1912240A1 (de) * | 2006-10-13 | 2008-04-16 | ABB S.p.A. | Niederspannungsgerät mit Rotationselement mit hoher elektrodynamischer Festigkeit |
US7989721B2 (en) | 2006-10-13 | 2011-08-02 | Abb S.P.A. | Low-voltage device with rotating element with high electrodynamic strength |
CN101162668B (zh) * | 2006-10-13 | 2012-08-01 | Abb股份公司 | 带有高电动力学强度的旋转元件的低压装置 |
EP2919246A1 (de) * | 2014-03-14 | 2015-09-16 | Siemens Aktiengesellschaft | Rotorwellenmodul für eine Rotorwelle eines Kompaktleistungsschalters, Rotorwelle für einen Kompaktleistungsschalter, Kompaktleistungsschalter sowie Verfahren zur Herstellung eines Rotorwellenmoduls für eine Rotorwelle eines Kompaktleistungsschalters |
US10014134B2 (en) | 2014-03-14 | 2018-07-03 | Siemens Aktiengesellschaft | Rotor shaft module for a rotor shaft of a molded-case circuit breaker, rotor shaft for a molded-case circuit breaker, molded-case circuit breaker comprising a rotator shaft, and method for producing a rotor shaft module for a rotor shaft of a molded-case circuit breaker |
Also Published As
Publication number | Publication date |
---|---|
DE10062761A1 (de) | 2002-06-20 |
EP1215695B1 (de) | 2009-03-11 |
DE50114753D1 (de) | 2009-04-23 |
EP1215695A3 (de) | 2002-09-25 |
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