EP0948013B1 - Elektromagnetisches Schaltgerät mit Schaltwippe - Google Patents
Elektromagnetisches Schaltgerät mit Schaltwippe Download PDFInfo
- Publication number
- EP0948013B1 EP0948013B1 EP19990105934 EP99105934A EP0948013B1 EP 0948013 B1 EP0948013 B1 EP 0948013B1 EP 19990105934 EP19990105934 EP 19990105934 EP 99105934 A EP99105934 A EP 99105934A EP 0948013 B1 EP0948013 B1 EP 0948013B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- bearing seat
- switching
- bearing
- rocker
- 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
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 239000000969 carrier Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
Definitions
- the invention relates to an electromagnetic switching device in a multi-part Housing arranged movable switch contacts and a magnetic drive with an anchor, the movement of which by means of an actuating mechanism via a swiveling lever, such as a rocker switch, which in the Housing is rotatably mounted by means of two bearings for moving the switch contacts transferable between an open position and a closed position is and wherein the bearing seats receiving the rocker bearing are divided.
- a swiveling lever such as a rocker switch
- the invention has for its object an improved introduction of force as complete as possible of the forces occurring at the rocker pivot bearing only in the to enable immediately adjacent housings in order to ensure a flawless To ensure a permanent seat.
- this object is achieved with a generic switching device solved in that a bearing seat part with a U-shaped cross section of a semicircle with two legs of different lengths is formed and the insertion axis for the rocker bearing at right angles in the U-shaped bearing seat part for the load direction of those occurring when the switch contacts open and close load forces acting on the rocker bearing is formed.
- the arrangement and the bearing axles of the bearing seat, the the rocker pivot bearing no longer independent of the occurring Load or their load direction arranged in the housing.
- camp seat with its bearing axis and the load forces in the adjacent housing introductory areas so that the load direction is perpendicular or essentially perpendicular to the insertion axis of the rocker bearing receiving bearing seat runs. This enables the occurring during the switch-on and switch-off movement by the rocker Forces that are transferred to the rocker bearing directly into one of the housing surrounding the bearing seat can be initiated.
- FIG. 4 a known pivot bearing for a rocker according to DE 34 43 556 C2 shows, and with reference 5 in an embodiment according to the invention.
- the known Bearing seat is divided and in a housing part G1 according to FIG. 4 and the second End cover G2, which is attached to G1 by means of screws.
- the bearing seat LS1 is U-shaped in the housing part G1 Semicircle and two legs of equal length and symmetrical to its insertion axis Y.
- the switching axis and movement axis of the switching contacts for opening and closing is denoted by X and perpendicular to the insertion axis Y of bearing seat LS1.
- the operating lever or the rocker switch which are stored in the bearing LS1, however, do not lead to a linear movement in the switching axis X, but a slight swivel movement, see above that the load forces transmitted by you in the axis W, at an angle ⁇ inclined to the switching axis X and corresponding to this load axis W must be taken up by the bearing LS1.
- the load forces for one and off are labeled F-On and F-Off. As from the illustration 4 can be seen, the load forces when switching off F-Aus completely be introduced into the adjacent housing G1 via the bearing seat LS1.
- load forces F-On when switching on cannot go directly into the are not initiated at their point of attack, but are divided into the two components X and Y, so that only a part of these Load forces can be introduced into the housing G1, another share however acts on the housing G2 and thus the tension and that Bearing loaded.
- the bearing seat is again divided and with its U-shaped Area housed in the housing 20, while the second the Concluding bearing seat part formed by the adjacent housing 10 is and also has a storage trough.
- the U-shaped bearing seat part is included a semicircle and two legs S1, S2, which are of different lengths, are formed.
- the switching axis X of the contacts is also shown, it is preferred parallel to the parting line t between the two adjacent housing parts, which also accommodate the shared bearing seat. Due to the The design of the bearing seat according to the invention is the insertion axis Y 'in the U-shaped bearing seat part for receiving the rocker bearing Shift paddle no longer identical to the vertical axis Y, the vertical to the switching axis X is.
- the load axis of the opening and closing movement of the switch contacts to be transferred to the rocker bearing and the bearing seat Load forces F are again designated W. It is around the angle ⁇ inclined to the switching axis X, as also shown in FIG. 4.
- the insertion axis Y ' is now perpendicular to the load axis W, i.e. from the vertical axis Y or the switching axis X by the angle ⁇ deflected.
- This ensures that the load forces both when switching on F-On as well as when switching off F-Off directly into the adjacent housing 20, essentially completely, can be introduced.
- the resulting load forces F-On and F-Off thus act directly on the housing accommodating the rocker bearing WL.
- the training according to the invention of the U-shaped bearing seat part that receives the rocker bearing in each case the direct introduction of the load forces into the respective Attack points on the bearing seat part housing.
- the force share of the now still on the parting line on the second bearing seat part or the subsequent one Housing is transferable, is very small and goes to zero. This depends on the tolerances.
- An advantageous embodiment of the split bearing seat according to the invention provides that the two bearing seat parts on two abutting housing parts are formed running over the parting line. So it's not an additional one Component more necessary to use the bearing seat in a split bearing a separate lid.
- the two bearing seat parts, the According to the invention on both sides of the parting line in the adjacent housing parts are formed when the two housing parts are screwed together connected.
- the U-shaped Bearing seat part housing part on which the switch contacts and rail compartments containing switch rooms and connections is.
- the second bearing seat part is on the rail support housing adjoining the anchor with the anchor receptacle as an anchor housing designated housing part is formed.
- Both bearing seat parts have a bearing surface, whereby due to the unequal Division of the bearing seat the one bearing seat part, namely the U-shaped one has larger storage space and accommodates the rocker bearing, while the second bearing seat part only a small storage trough for support and closure the insertion opening in the larger bearing seat part for the rocker bearing forms.
- the parting line between the housing parts having the bearing seats is preferred aligned parallel to the switching movement axis of the switching contacts. This makes it easier to insert the insertion axis Y ' of the U-shaped bearing seat part with respect to the parting line, where this insertion axis Y 'then runs obliquely to the parting line, which also the U-shaped legs of unequal length with respect to the insertion axis Y ' Bearing seat part are formed.
- the inclination or the angle ⁇ , under which the insertion axis Y 'is inclined with respect to the vertical results from the arrangement and movement of the rocker switch when switching on and off of the switch contacts.
- the housing wall is formed from the rail support housing or anchor housing, so that the rocker switch with its rocker bearing in the U-shaped recess is easy to use on the rail support and then during assembly the two housing parts and screwing them together the bearing seat is closed.
- the second bearing seat part forming the termination for the U-shaped bearing seat part which is formed on the armature housing, has a support surface in shape of a circular arc section.
- This support surface is preferably on one Side transferred into a support cam, which is adjacent to the other bearing seat part engages the longer U-leg.
- the other side of the support surface is preferably tapered parallel to the parting line.
- the rocker switch according to the invention can be factory-made without additional fastening means be inserted into the rail support housing and needs not to be backed up separately.
- the rocker switch is on their bearings Grooved ball bearings provided and is with these in the U-shaped bearing seat part used and can occur during switchgear operation Introduce load forces directly into the adjacent rail support housing. In the switch position On and in the switch position Off the adjacent takes Housing part, the armature housing, only small amounts of force. Thereby a separate bearing attachment, i.e. Attachment of the second bearing seat part separately by means of screws, since the bearing seat parts over the anyway existing fastening screws between the rail support housing and anchor housing can be braced with.
- switching contacts are exchanged or vacuum interrupters can include the rail support housing used rocker switch can be handled separately without an additional rocker protection would have to take place.
- the invention can be used in switching devices with a rocker switch, also with vacuum switching devices in general with rocker switch and at Protect with vacuum interrupters.
- FIG. 1 shows a vacuum switching device 1 as an application example, with a magnetic drive M with a movable armature 2, which is in an armature holder 3 is attached and the anchor receptacle 3 by means of bolts 4 on one End region of the rocker switch 5 is attached.
- the anchor with anchor holder is in the anchor housing 10 housed.
- the vacuum interrupters 6 are housed, wherein the fixed contact carrier 62 carrying the fixed contact 61 with the terminal lug 21 is attached to the rail support housing 2 and the movable Contact-carrying movable contact carrier 63 with a lifting rod 7 is firmly connected at its other end in an axle guide bearing 11 is mounted, which in turn is connected to the rail support housing 20.
- a strand 14 leads from the connections 22 to the movable contact carrier 63 and the lifting rod 7.
- the switching movement of the armature 2, arrow direction P, is connected to the rocker switch 5 connected to the armature holder movable contact carrier 63 transmitted, for which purpose the rocker switch on her the other end on a contact spring arranged coaxially to the lifting rod 7 8 acts with their fork ends 51.
- the rocker switch 5 is in a rocker bearing WL, whose fulcrum is shown in Fig. 1, stored so that the movement P of the switch armature 2 in a pivoting movement, see arrow PS, for switching on and off the switching contacts of the vacuum tube is transferable to the lifting rod 7.
- the linear switching movement axis of the Switch contacts which is defined by the axis of the lifting rod, is designated by X.
- the parting line between the rail support housing 20 and the Armature housing 10 is denoted by t. It runs preferably parallel to Switching movement axis X of the switch contacts.
- the actuation attack of the Switch rocker on the contact pressure spring 8 takes place in the area 9 and is due to the Swivel movement not parallel and linear to switching movement X.
- rocker switch when switched on and off Load forces F-Aus and F-Ein are corresponding to the swivel movement the seesaw, see arrow direction PS, on the seesaw bearing, from here the two pins on the rocker switch 5 are drawn in the load direction W transferred and then in this load direction W from the rocker over the Bearing seat introduced into the surrounding housing.
- the rocker switch according to Fig. 3, see FIGS. 2a, 2b, has actuating pins 51a, 51b for actuating Auxiliary switches in the area of the anchor receptacle by means of the pins 50a, 50b trained pivot bearing along its axis, which the rocker bearing WL forms.
- a two-part bearing seat (210, 211; 102, 103), one of the bearing seat parts 210, 211 for receiving of the rocker bearing on the side of the rail support housing adjacent to the parting line 20, see Fig. 6a, 6b and 6c, is formed on the inside and its second part 102, 103 near the upper edge of the parting line of the anchor housing is formed on the inside.
- the larger bearing seat shell 210 or 211 following the parting line t i.e. the lower edge of the rail support housing 20 molded on the inside of the housing trough-shaped with an insertion opening facing the parting line.
- the bearing seat part is U-shaped formed with a semicircle and two legs of different lengths S1, S2, so that the bearing axis Y ', which also forms the insertion axis in the direction of the arrow to insert the rocker bearing at an angle to the parting line t runs for example at an angle ⁇ of 35 °.
- the center of the The insertion opening is opposite the center of the bearing surface Considered semicircle offset in the vertical.
- the bearing pad of the rocker switch is by means of a deep groove ball bearing, which is not shown, in the Bearing seat part 210 or 211 used.
- the two legs S1, S2 of the bearing seat part 210 are slightly tapered outwards to make it easier To allow insertion of the rocker bearing.
- the load axis W der Load forces during operation of the switching device now run essentially vertically to the insertion axis Y 'and the bearing seat part, whereby the direct Introduction of the load forces into the surrounding rail support housing in the area of the load seat part 210 is ensured, see FIG. 5.
- the rail support housing 20 points accordingly the three vacuum interrupters to be accommodated, switch rooms 203 and receiving openings 202 for the storage of the fixed contact carriers and recesses 201 for the storage of the axle guide bearings of the lifting rods to each other opposite sides.
- the two bearing seat parts 210, 211 with angled insertion formed are according to the configuration the rocker switch, the two bearing seat parts 210, 211 with angled insertion formed.
- the second seat bearing part 102 or 103 that completes the bearing seat is like 7a and 7b, on the one adjacent to the rail support housing Top of the armature housing 10 formed on the inner wall.
- the second bearing seat part has a bearing surface in the form of a circular arc section a on one side into a protruding cam b merges and on the other side parallel to the division joint t and the upper edge of the armature housing 10 runs out.
Landscapes
- Seats For Vehicles (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
- Fig. 1:
- einen Querschnitt durch ein Vakuumschaltgerät
- Fig. 2a, b:
- zwei perspektivische Ansichten der Schaltwippe gemäß Fig. 1
- Fig. 3:
- eine perspektivische Ansicht der Schaltwippe mit Vakuumschaltröhren
- Fig. 4:
- die Kräfteverhältnisse des Lagersitzes gemäß Stand der Technik
- Fig. 5:
- die Kräfteverteilung bei dem Lagersitz gemäß der Erfindung
- Fig. 6a, b:
- zwei perspektivische Ansichten des Schienenträgergehäuses mit U-förmigem Lagersitzteil
- Fig. 6c:
- den Schnitt DD nach Fig. 6a
- Fig. 7a:
- eine perspektivische Ansicht des Ankergehäuses mit Abschlußlagersitzteil
- Fig. 7b:
- den Schnitt EE nach Fig. 7a.
Claims (12)
- Elektromagnetisches Schaltgerät mit in einem mehrteiligen Gehäuse (10, 20) angeordneten beweglichen Schaltkontakten (60, 61) und einem Magnetantrieb (M) mit einem Anker (2), dessen Bewegung mittels eines Betätigungsmechanismus über einen schwenkbaren Hebel, wie einer Schaltwippe (5), die in dem Gehäuse mittels zweier Lager (210, 211, 102, 103) drehbar gelagert ist, zum Bewegen der Schaltkontakte (60, 61) zwischen einer Öffnungsstellung und einer Schließstellung übertragbar ist und wobei die das Wippenlager (WL) aufnehmenden Lagersitze geteilt sind, dadurch gekennzeichnet, daß ein Lagersitzteil mit einem U-förmigen Querschnitt von einem Halbkreis mit zwei ungleich langen Schenkeln (S1, S2) gebildet ist und die Einführungsachse (Y') für das Wippenlager in den U-förmigen Lagersitzteil (210, 211) rechtwinklig zur Lastrichtung (W) der beim Öffnen und Schließen der Schaltkontakte auftretenden, auf das Wippenlager einwirkenden Lastkräfte ausgebildet ist.
- Schaltgerät nach Anspruch 1, dadurch gekennzeichnet, daß der geteilte Lagersitz an zwei aneinanderstoßenden Gehäuseteilen (10, 20) über deren Trennfuge (t) verlaufend ausgebildet ist.
- Schaltgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die beiden beidseitig der Trennfuge (t) ausgebildeten Lagersitzteile (210, 211; 102, 103) durch Verschrauben der beiden Gehäuseteile (20, 10) miteinander verbunden sind.
- Schaltgerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die beim Öffnen und Schließen der Schaltkontakte an der Schaltwippe (5) auftretenden Lastkräfte von dem Wippenlager in das die U-förmigen Lagersitzteile (210, 211) aufweisende Gehäuseteil (20) eingeleitet werden.
- Schaltgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das die U-förmigen Lagersitzteile (210, 211) aufweisende Gehäuseteil (20) an dem die Schaltkontakte mit Schalträumen und Anschlüssen enthaltenden Schienenträgergehäuse (20) ausgebildet ist.
- Schaltgerät nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der zweite Lagersitzteil (102, 103) an dem an das Schienenträgergehäuse (20) angrenzenden den Anker (2) mit Ankeraufnahme (3) aufnehmenden als Ankergehäuse (10) bezeichneten Gehäuseteil ausgebildet ist.
- Schaltgerät nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Trennfuge (t) zwischen den die Lagersitzteile aufnehmenden Gehäuseteilen (10, 20) parallel zur Schaltbewegungsachse (X) der Schaltkontakte in dem Schienenträgergehäuse (20) verläuft.
- Schaltgerät nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Einführungsachse (Y') des U-förmigen Lagersitzteiles (210, 211) zur Trennfuge (t) und der hierzu parallelen Schaltbewegungsachsen (X) der Schaltkontakte zwischen Schienenträgergehäuse (20) und Ankergehäuse (10) schräg verläuft und unter einem Winkel α aus der zur Trennfuge (t) vertikalen Achse (Y) geneigt ist.
- Schaltgerät nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die beiden Lagersitzteile (210, 211; 102, 103) an der Innenseite der Gehäusewandungen des Schienenträgergehäuses (20) bzw. Ankergehäuses (10) angeformt sind.
- Schaltgerät nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß das den Abschluß für den U-förmigen Lagersitzteil (210, 211) bildende Lagersitzteil (102, 103) eine von einem Kreisbogenabschnitt gebildete Abstützfläche (a) aufweist
- Schaltgerät nach Anspruch 10, dadurch gekennzeichnet, daß die Abstützfläche (a) auf einer Seite in einen Abstütznocken (b) endet, der in dem Lagersitzteil (210, 211) benachbart dem längeren U-Schenkel (S1) eingreift.
- Schaltgerät nach einem der Ansprüche 10 oder 11, dadurch gekennzeichnet, daß die Abstützfläche (a) auf der dem Nocken abgewandten Seite parallel zur Trennfuge (t) ausläuft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1998114433 DE19814433C1 (de) | 1998-03-31 | 1998-03-31 | Elektromagnetisches Schaltgerät mit Schaltwippe |
| DE19814433 | 1998-03-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0948013A2 EP0948013A2 (de) | 1999-10-06 |
| EP0948013A3 EP0948013A3 (de) | 2000-07-12 |
| EP0948013B1 true EP0948013B1 (de) | 2004-03-03 |
Family
ID=7863136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19990105934 Expired - Lifetime EP0948013B1 (de) | 1998-03-31 | 1999-03-24 | Elektromagnetisches Schaltgerät mit Schaltwippe |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0948013B1 (de) |
| DE (1) | DE19814433C1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106104731A (zh) * | 2014-01-30 | 2016-11-09 | 康明斯发电Ip公司 | 自动转换开关及其方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4485366A (en) * | 1983-04-19 | 1984-11-27 | Westinghouse Electric Corp. | Mechanical interlock mechanism for a vacuum contactor |
| US4544817A (en) * | 1983-11-29 | 1985-10-01 | Westinghouse Electric Corp. | Vacuum contactor with kickout spring |
| ZA848788B (en) * | 1983-11-29 | 1985-07-31 | Westinghouse Electric Corp | Vacuum contractor with integral shaft |
| US5449868A (en) * | 1992-08-07 | 1995-09-12 | Square D Company | Vacuum bottle contactor tip pressure adjuster |
| EP0801407B1 (de) * | 1996-04-11 | 2004-07-14 | ABB PATENT GmbH | Ein- oder mehrphasiger Vakuumschalter |
-
1998
- 1998-03-31 DE DE1998114433 patent/DE19814433C1/de not_active Expired - Lifetime
-
1999
- 1999-03-24 EP EP19990105934 patent/EP0948013B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0948013A2 (de) | 1999-10-06 |
| EP0948013A3 (de) | 2000-07-12 |
| DE19814433C1 (de) | 1999-12-16 |
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