EP0922290B1 - Bewegbare schaltkontaktanordnung mit einem kontakthebel aufnehmenden kontakthebelträger - Google Patents
Bewegbare schaltkontaktanordnung mit einem kontakthebel aufnehmenden kontakthebelträger Download PDFInfo
- Publication number
- EP0922290B1 EP0922290B1 EP97942791A EP97942791A EP0922290B1 EP 0922290 B1 EP0922290 B1 EP 0922290B1 EP 97942791 A EP97942791 A EP 97942791A EP 97942791 A EP97942791 A EP 97942791A EP 0922290 B1 EP0922290 B1 EP 0922290B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- additional
- contact lever
- levers
- base body
- 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
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010276 construction Methods 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
- 239000002991 molded plastic Substances 0.000 description 1
Images
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
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
Definitions
- the invention relates to a movable switch contact arrangement for a low-voltage circuit breaker with contact levers and a contact lever carrier receiving the contact levers, by means of side arms for switching on and off is pivotally mounted.
- a switch contact arrangement of this type is through the DE 35 39 786 A1 has become known.
- the bearing arms are included Part of a bracket that is attached to a holding body for the contact lever is adjusted to size. While it is a construction consisting only of metal parts is also known, switch contact arrangements are known a combination of molded plastic parts and metal parts are composed. In any case, these are switch contact arrangements for a certain number of contact levers dimensioned. For a multi-rated current Series of low voltage circuit breakers are therefore correspondingly many different movable switch contact arrangements needed. The object of the invention is to achieve this underlying the manufacturing cost of this variety of To reduce switch contact arrangements.
- the contact lever carrier has a central part consisting of a base body and at least one attachable to it Additional body, and that on both sides of the middle part Bearing arms are attached.
- the base body can have at least two threaded openings on both sides included, the bearing arms and the additional body through openings aligned with the threaded openings for Have connecting screws. As a result, they need Additional body to have only through holes on their Accuracy requires only minimal requirements. This facilitates the manufacture of the additional body as inexpensive Parts.
- Figure 1 shows schematically a low-voltage circuit breaker with a movable switch contact arrangement on average.
- FIG. 2 shows a switch contact arrangement with a view of the contacting sides of contact levers are shown.
- Figure 3 shows a simplified schematic Contact lever carrier with a single body existing middle section.
- Figure 4 is in a corresponding to Figure 3 Representation of a contact lever carrier with a wider one Middle part shown, which consists of a main body and two Additional bodies of a first type exist.
- FIG. 5 shows a further exemplary embodiment Contact lever carrier, the middle part of a basic body and an additional body of a first type and a second Type is composed.
- FIG. 7 shows a connecting surface of a base body.
- a low-voltage circuit breaker shown schematically in FIG. 1 1 has a housing 2 in which a Switch contact system, an arc extinguishing chamber 3 and one drive device for actuating the switch contact system 4 are housed.
- To the switch contact system belongs to a fixed switch contact 5, with a upper connecting rail 6 is connected.
- One with the fixed one Switch contact 5 interacting movable switch contact arrangement 7 includes contact lever 10 which is articulated a contact lever bracket 11 are attached.
- Flexible ladder 12 are used to connect the contact lever 10 with a arranged parallel to the upper connecting rail 6 lower Connection rail 13. Both connection rails 6 and 13 protrude the housing 2 at the back and serve for Connection of the circuit breaker 1 to a load circuit.
- a drive shaft 14 belongs to the drive device 4 through an articulated coupling linkage 15 with the contact lever carrier 11 is connected.
- the circuit breaker 1 can have several Switch contact systems of the type shown in parallel Have arrangement. Here, all poles through the same drive device 4 and the control shaft 14 on and turned off.
- Each movable switching contact arrangement 7 can have several contact levers 10, as shown in Figure 2.
- the contact levers 10 are on the contact lever carrier 11 pivotally mounted by means of a bearing pin 16 and by attacking on the back on the contact levers 10 and therefore contact force springs not visible in FIG. 2 towards the fixed switch contact 5 biased.
- the contact lever carrier 11 has two lateral bearing arms 17 on, at the lower end of a bearing pin 20 is provided is.
- Wall body 21 of the housing 2 of the circuit breaker 1 are with bearing openings 22 for engaging the Provide journal 20.
- FIG. 3 shows schematically a contact lever carrier 25, which consists of a central base body 26 and on both sides of this attached bearing arms 17.
- the Base body 26 is designed as a standard part, which is preferably for those in a range of low voltage circuit breakers dimension the smallest occurring size is.
- the contact lever carrier for sizes with higher Rated currents are produced in that the uniform base body 26 additional body of a certain Type can be added.
- FIG. 4 shows an example of this a contact lever carrier 27, the middle part of which Combination of a base body 26 with attached on both sides Additional bodies 28 of a first type. The one for accommodation the contact lever 10 available width this increases from dimension B1 in FIG. 3 a dimension B2 according to FIG. 4.
- an additional body 30 of a second type results in a combination of the base body 26 with an additional body 28 of the first type and one Additional body 30 of the second type a contact lever carrier 29 with a usable width B3.
- a contact lever carrier has an even larger width B4 31 according to Figure 6, by a combination a base body 26 with two additional bodies 30 of the second Type contains.
- connection of the bearing arms 17 to the base body 26 or the respectively provided combination of a middle part 26 with additional bodies 28 and 30 is done by connecting screws 32, which in Figures 3, 4, 5 and 6 by their Center lines are shown in simplified form.
- the base body 26 and the additional body 28 and 30 are with Provide connecting surfaces that fit together correctly facilitate.
- 7 shows a connection surface 33 of the base body 26 with two threaded openings 34 and three approximately diagonally arranged cone-like Projections 35.
- the opposite connection surface 36 contains recesses corresponding to the projections 35 37.
- the additional body 28 and 30 are of the same connection surfaces 33 and 36 provided so that the base body 26 and additional bodies 28 and 30 join together as desired to let.
- the additional body 28 and 30 contain the Threaded openings 32 aligned through openings 38, which in Figures 3, 4, 5 and 6 are indicated.
- the base body 26 and the additional bodies 28 and 30 can be provided with webs or ribs 39 (Figure 7) to a desired mutual distance of the contact lever 10 ( Figure 2) ensure.
Landscapes
- Breakers (AREA)
- Contacts (AREA)
- Push-Button Switches (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Description
Claims (3)
- Bewegbare Schaltkontaktanordnung (7) für einen Niederspannungs-Leistungsschalter (1) mit Kontakthebeln (10) und einem die Kontakthebel (10) aufnehmenden Kontakthebelträger (11, 25, 27, 29, 31), der mittels seitlicher Lagerarme (17) zum Ein- und Ausschalten schwenkbar gelagert ist,
dadurch gekennzeichnet, daß
der Kontakthebelträger (11, 25, 27, 29, 31) ein Mittelteil aufweist, bestehend aus einem Grundkörper (26) und wenigstens einem an diesen anfügbaren Zusatzkörper (28, 30), und daß beidseitig an dem Mittelteil die Lagerarme (17) befestigt sind. - Bewegbare Schaltkontaktanordnung nach Anspruch 1,
dadurch gekennzeichnet, daß der Grundkörper (26) und der bzw. die Zusatzkörper (28, 30) mit Vorsprüngen (35) und diesen angepaßten Ausnehmungen (37) versehene Verbindungsflächen (33, 36) aufweisen. - Bewegbare Schaltkontaktanordnung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß der Grundkörper (26) beidseitig wenigstens zwei Gewindeöffnungen (34) enthält und daß die Lagerarme (17) und die Zusatzkörper (28, 30) mit den Gewindeöffnungen (34) fluchtende Durchgangsöffnungen (38) für Verbindungsschrauben (32) aufweisen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29615566U | 1996-08-28 | ||
DE29615566U DE29615566U1 (de) | 1996-08-28 | 1996-08-28 | Bewegbare Schaltkontaktanordnung mit einem Kontakthebel aufnehmenden Kontakthebelträger |
PCT/DE1997/001957 WO1998009306A1 (de) | 1996-08-28 | 1997-08-28 | Bewegbare schaltkontaktanordnung mit einem kontakthebel aufnehmenden kontakthebelträger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0922290A1 EP0922290A1 (de) | 1999-06-16 |
EP0922290B1 true EP0922290B1 (de) | 2000-03-22 |
Family
ID=8028905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97942791A Expired - Lifetime EP0922290B1 (de) | 1996-08-28 | 1997-08-28 | Bewegbare schaltkontaktanordnung mit einem kontakthebel aufnehmenden kontakthebelträger |
Country Status (5)
Country | Link |
---|---|
US (1) | US6225585B1 (de) |
EP (1) | EP0922290B1 (de) |
JP (1) | JP2000517096A (de) |
DE (2) | DE29615566U1 (de) |
WO (1) | WO1998009306A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19932010C1 (de) * | 1999-07-02 | 2001-03-08 | Siemens Ag | Schaltkontaktanordnung eines Niederspannungs-Leistungschalters mit Hauptkontakten, Zwischenkontakten und Abreißkontakten |
DE10012605A1 (de) | 2000-03-09 | 2001-09-13 | Siemens Ag | Schaltpol für Niederspannungs-Schaltgeräte mit linear bewegbarem Kontaktträger |
DE10243835B3 (de) * | 2002-09-13 | 2004-04-15 | Siemens Ag | Schaltkontaktanordnung mit einer Abbrandanzeige für die Schaltkontakte |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3539786A1 (de) | 1985-11-07 | 1987-05-14 | Siemens Ag | Kontaktanordnung mit in einem halter relativ zueinander schwenkbar gelagerten kontakthebeln |
DE29503327U1 (de) * | 1995-02-16 | 1995-04-13 | Siemens AG, 80333 München | Kontakthebelbaugruppe für einen Niederspannungs-Leistungsschalter |
-
1996
- 1996-08-28 DE DE29615566U patent/DE29615566U1/de not_active Expired - Lifetime
-
1997
- 1997-08-28 WO PCT/DE1997/001957 patent/WO1998009306A1/de active IP Right Grant
- 1997-08-28 JP JP10511179A patent/JP2000517096A/ja active Pending
- 1997-08-28 DE DE59701338T patent/DE59701338D1/de not_active Expired - Fee Related
- 1997-08-28 US US09/254,192 patent/US6225585B1/en not_active Expired - Fee Related
- 1997-08-28 EP EP97942791A patent/EP0922290B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0922290A1 (de) | 1999-06-16 |
DE59701338D1 (de) | 2000-04-27 |
DE29615566U1 (de) | 1998-01-02 |
US6225585B1 (en) | 2001-05-01 |
JP2000517096A (ja) | 2000-12-19 |
WO1998009306A1 (de) | 1998-03-05 |
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