EP0000711B1 - Contacteur avec bornes de raccordement librement accessibles et disposées dans des plans différents - Google Patents
Contacteur avec bornes de raccordement librement accessibles et disposées dans des plans différents Download PDFInfo
- Publication number
- EP0000711B1 EP0000711B1 EP78100433A EP78100433A EP0000711B1 EP 0000711 B1 EP0000711 B1 EP 0000711B1 EP 78100433 A EP78100433 A EP 78100433A EP 78100433 A EP78100433 A EP 78100433A EP 0000711 B1 EP0000711 B1 EP 0000711B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- housing
- plane
- connecting screws
- fastening plane
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut
Definitions
- the invention relates to a contactor, in particular a power contactor or auxiliary contactor, with a contact system accommodated in a housing, remote from the mounting level, and a magnet system that actuates the contact system and is arranged between the mounting level and the mounting level, the housing at the end remote from the mounting level is closed by a cover, which runs perpendicular to the housing mounting plane and is assigned to the contact terminal screws in the form of holes, the contact system further comprising contact rails with contact terminals located on two opposite sides of the housing and with fixed contact pieces as well as jointly operable, as openers and / or Closer-acting bridges with movable contact pieces, wherein also the contact terminal screws in two parallel to the mounting plane and at a distance from each other in rows and in stages de are arranged so that their distance from the level of the protective means becomes smaller as the distance from the mounting level increases, and finally the fixed contact pieces of the contact rails provided in the two levels each lie in pairs on the perpendicular to the housing mounting level in switching chambers arranged one above
- the contact connection screws are provided in two or more levels in the contactor that run parallel to the mounting level.
- the wiring is first carried out on the contact connection screws, which are located in a level closest to the mounting level. Only then can the wiring be made on the contact connection screws in the level or levels that are at a greater distance from the mounting level of the control cabinet.
- a special construction of a switching chamber with fixed contact parts inserted into openings in the walls is known from DE-GM 7 415 932.
- the contact connection screws in the two superimposed levels are arranged in such a way that their distance from the protective agent level becomes smaller as the distance from the mounting level increases, but all contact connection screws of the superimposed contact rails lie in a cross-sectional plane in which the contact rails lying one above the other are located run. If the wirings are provided on all contact connection screws, the upper wirings cover the contact connection screws with their wirings which lie below. Again, it is not possible, for example with a screwdriver, to get to the lower contact connection screws from above, ie perpendicular to the mounting plane, without first removing the upper wiring.
- an electromagnetic switching device is known from FR-PS 1 301 590, which essentially consists of a lower part and an upper part, which can be plugged together.
- the lower part to be located on the fastening plane has, on two opposite sides at a distance from each other, contact connection screws with contact rails, which in turn carry fixed contact pieces and cooperate with electromagnetically actuated movable contact pieces. If there is a gap with these contact connection screws, further connection screws are provided in a lower level, which are connected to plug contacts. After assembly of the entire device, however, all of the aforementioned contact connection screws are from further corresponding contact connection covered screws on the upper part, which contains other contacts in addition to the magnet system.
- FR-PS 1 291 800 an electrical switching device is known, wherein flexible, differently laterally cranked current-conducting connections are provided for the connection between device parts. These laterally cranked flexible connections together with their fastening screws on both sides are located under a closed device cover when the device is fully assembled, so that the connecting screws are not accessible at all. There is also no need for this, these electrical connections are not contact rails with contact connection screws for wiring leading to the outside, but only intermediate connections within the device.
- the differently offset design of these electrical connections also has nothing to do with the accessibility of the connecting screws, but is based on random arrangement conditions within the device.
- the present invention has for its object to provide a contactor in which there is a simple handling of the connection options of the wiring and in which the wiring can optionally be carried out on the upper and on the lower contact connection screws or vice versa or the contact connection screws can be tightened, without the width of the contactor specified in practice and limited depending on the number of poles need to be increased.
- the object is achieved according to the invention in that the long contact rails to be located according to the fastening plane are cranked laterally within their planes with an obliquely running rail part in such a way that their contact connecting screws are located in the middle plane between the contact connecting screws lying away from the fastening plane, and that Contact connection screws for the coil of the magnet system are also arranged laterally offset from the contact connection screws of the other level in the area of the level of the contact rails to be located after the housing mounting level, so that all contact connection screws are freely accessible when the wiring is provided.
- the invention is preferably used for power contactors up to 7.5 kW and for auxiliary contactors up to 20 A continuous current, optionally for four and eight contacts.
- the contactor has a housing made of plastic, in which a contact system and a magnet system actuating the contact system are accommodated, the housing being closed off at the end remote from the fastening side 1 by a cover 2, the contact system comprising contact rails 3, 4 and 5 Contact terminal screws 6, 7 and 8 and with fixed contact pieces 9, 10 and 11.
- the contact system also includes movable contact pieces 12, 13, 14 and 15, which are each seated on only half of the bridges 16, 17, 18 and 19 shown in FIG. 1, these bridges being used in a manner known per se in a common bridge support 20, with the interposition of springs 21 in corresponding recesses.
- the contact bridges can be used so that they act either as openers or closers.
- the housing which encloses the previously explained contact system, is divided into planes running parallel to the housing mounting plane, namely this housing consists of a lower housing part 22, a housing part 23 arranged above it and the cover 2 or, if a switching chamber base is interposed, a further housing part 24
- the contactor according to FIG. 1 can thus be converted from a four-pole contactor into an eight-pole or vice versa in a few simple steps.
- the lower housing part 22 with foot part 25 largely encloses the magnet system, namely once the core 26 with short-circuit rings 27 and coil 28 and the vertically movable armature 29, which, however, after removal of the housing parts 23, 24 so protrudes far in the lowest position so that it can be easily lifted off and the other parts of the magnet system can be removed from the housing.
- the armature 29 is connected to the bridge holder 20 in a suitable manner for the joint actuation of the contacts.
- a rubber plate 30 is provided between the core 26 and a fastening plate 31.
- a movable in the direction of the arrows shown slide 32 is provided, which in the right position with its nose 32a engages behind the edge of a U-shaped mounting rail 33 of the control cabinet, while the opposite edge 33a U-shaped rail for insertion can be pushed behind a notched part 31a of the fastening rail 31.
- a transverse strip-like projection 30a of the rubber plate 30 presses against the edge of the U-profile from above and prevents the contactor from moving laterally on the profile.
- FIGS. 2 and 3 in connection with the right part of FIG. 1 illustrate that the contact rails 4, 5 with their contact connection screws 7, 8 are arranged in planes offset from one another in planes at different distances from the housing end 1 used for fastening such that each contact connection screw 7, 8 is freely accessible when the wiring 34 is provided.
- the contact rails are preferably arranged in two planes spaced apart from one another, the contact rails 5 of the cover-side plane being chosen to be shorter than the contact rails 4 of the other plane.
- the contact rails 3 and 4 are shaped within their planes such that the fixed contact pieces 9, 10 and 11 of the contact rails provided in the two planes each lie in pairs on the perpendicular to the housing mounting plane 1.
- the contact rails of at least one level in the exemplary embodiment according to FIG. 2 the long contact rails 3, 4, are provided with an inclined part 3a or 4a.
- FIGS. 2 and 3 show two further contact connection screws 35 and 36. These are the contact connection screws for the coil 28 of the magnet system, namely these contact connection screws in the area of the level of the contact rails 3, 4 or their contact connection screws 6, 7 arranged.
- spring contacts are provided on the division plane 37 (FIG. 1) between the housing part 22 of the magnet system and the housing part 23 of the contact system, which essentially consist of two parts exist, a part on the underside of the housing part 23 and another part on the top of the housing part 22.
- guides 2a, 24a are provided in the switching chamber base 24 and in the cover 2, which run perpendicular to the housing mounting plane 1 and are assigned to the contact connection screws 6, 7, 8, for the use of a screwdriver shaft.
- These guides are expediently designed as cylindrical holes, the diameter of the holes being chosen to be smaller than the screw head 6a, 7a, 8a of the contact connection screws.
- the contact connection screws 6, 7, 8 and 35, 36 each cooperate with terminals 44 (FIG. 7) that open after two opposite side surfaces 42, 43 of the switching chamber base 24, so that the connecting lines 34 can be inserted one or more times.
- the terminals are expediently provided with self-opening clamping disks.
- the clamp 44 has an essentially rectangular frame. When the ends of the connecting lines 34 are inserted into this open frame and the contact connecting screw 7 is actuated, the lower screw end presses on the fixed contact rail 45 corresponding to the contact rails 3, 4 and 5, so that the frame of the terminal 44 with the connecting lines so long is moved upwards until the connecting cables are tightened.
- other screw connections with simple machine screws or solder connections or flat plug connections can also be used to fasten the connection lead lines are provided.
- the contactor according to the invention can be easily converted to other practical applications, by replacing the contact system with one or more switching chamber bases for another contact system, the contact systems optionally being mechanical and / or can contain electronic components.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2732963A DE2732963C2 (de) | 1977-07-21 | 1977-07-21 | Schütz |
DE2732963 | 1977-07-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0000711A1 EP0000711A1 (fr) | 1979-02-21 |
EP0000711B1 true EP0000711B1 (fr) | 1982-04-21 |
Family
ID=6014515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP78100433A Expired EP0000711B1 (fr) | 1977-07-21 | 1978-07-19 | Contacteur avec bornes de raccordement librement accessibles et disposées dans des plans différents |
Country Status (8)
Country | Link |
---|---|
US (1) | US4229719A (fr) |
EP (1) | EP0000711B1 (fr) |
AU (1) | AU521058B2 (fr) |
BR (1) | BR7804691A (fr) |
CA (1) | CA1105533A (fr) |
DE (1) | DE2732963C2 (fr) |
IT (1) | IT1097520B (fr) |
MX (1) | MX145279A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014495A1 (de) * | 1980-04-16 | 1981-10-22 | Brown, Boveri & Cie Ag, 6800 Mannheim | Anschlussklemmenvorrichtung fuer das wicklungsende einer in einem elektromagnetischen schaltgeraet anzuordnenden induktiven spule |
FR2484693A1 (fr) * | 1980-06-13 | 1981-12-18 | Telemecanique Electrique | Appareil de commutation modulaire |
DE3333757A1 (de) * | 1983-09-19 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Reihenklemme |
US5108649A (en) * | 1988-11-16 | 1992-04-28 | Nippon Kayaku Kabushiki Kaisha | Preserving agent, method and container for preserving fresh marine product |
DE4400484C3 (de) * | 1994-01-11 | 2002-05-29 | Pilz Gmbh & Co | Niederspannungsschaltgerät |
US6583695B1 (en) * | 1995-10-12 | 2003-06-24 | Siemens Aktiengesellschaft | Housing for switchgears |
DE29603754U1 (de) * | 1996-02-29 | 1996-04-25 | Kloeckner Moeller Gmbh | Elektrisches Schaltgerät mit Klemmschraubensicherung |
US8134820B1 (en) | 2007-09-10 | 2012-03-13 | Technology Reasearch Corporation | Contactor control circuit |
DE102013219009A1 (de) * | 2013-09-20 | 2015-03-26 | Tyco Electronics Amp Gmbh | Aktives elektrisches Bauelement |
CN104538250B (zh) * | 2015-02-03 | 2016-08-24 | 佛山市川东磁电股份有限公司 | 一种磁力开关 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1250532B (fr) * | 1967-09-21 | |||
US2687502A (en) * | 1951-07-21 | 1954-08-24 | Furnas Electric Co | Magnetic switch assemblage |
NL229173A (fr) * | 1957-07-03 | |||
US2896045A (en) * | 1957-11-08 | 1959-07-21 | American Nat Bank | Relay with clamp-contact assembly |
FR1291800A (fr) * | 1960-03-29 | 1962-04-27 | Westinghouse Electric Corp | Dispositif de coupure de circuit |
FR1301590A (fr) * | 1960-09-27 | 1962-08-17 | Allen West & Co Ltd | Perfectionnement aux contacteurs électriques |
NL271191A (fr) * | 1960-11-15 | |||
US3304522A (en) * | 1961-06-29 | 1967-02-14 | Square D Co | Switch structure and combination thereof with overload relay and push button |
US3134869A (en) * | 1962-03-13 | 1964-05-26 | Allen Bradley Co | Electromagnet assembly with interfitting parts |
US3246283A (en) * | 1963-12-23 | 1966-04-12 | Huska Paul | Accessible, self-mounting terminal block |
US3320561A (en) * | 1964-03-18 | 1967-05-16 | Honeywell Inc | Electrical contactor with novel terminal means |
US3504311A (en) * | 1967-04-14 | 1970-03-31 | Westinghouse Electric Corp | Plug-in relay and support therefor |
US3602850A (en) * | 1969-08-27 | 1971-08-31 | Westinghouse Electric Corp | Contactor with improved contact support means and guide means |
CH524242A (de) * | 1970-06-03 | 1972-06-15 | Siemens Ag | Elektromagnetisches Schaltgerät |
US3889087A (en) * | 1972-11-13 | 1975-06-10 | Amp Inc | Electromagnetic relay |
DE2407057C3 (de) * | 1974-02-14 | 1979-04-26 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektromagnetisches Schaltgerät |
DE7415932U (de) * | 1974-05-07 | 1975-11-13 | Siemens Ag | Schaltkammer mit in Durchbrüchen der Wände eingeführten Festkontaktteilen |
US4013989A (en) * | 1975-03-25 | 1977-03-22 | Westinghouse Electric Corporation | Fusible electric control device |
US4006323A (en) * | 1975-05-21 | 1977-02-01 | Allen-Bradley Company | Electrical terminal structure |
DE2622100C3 (de) * | 1976-05-18 | 1982-06-09 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches Schaltgerät mit wahlweise als Öffner- oder Schließerkontakt veränderbaren Kontakten |
-
1977
- 1977-07-21 DE DE2732963A patent/DE2732963C2/de not_active Expired
-
1978
- 1978-07-17 IT IT25771/78A patent/IT1097520B/it active
- 1978-07-18 CA CA307,596A patent/CA1105533A/fr not_active Expired
- 1978-07-19 EP EP78100433A patent/EP0000711B1/fr not_active Expired
- 1978-07-20 MX MX174246A patent/MX145279A/es unknown
- 1978-07-20 US US05/926,339 patent/US4229719A/en not_active Expired - Lifetime
- 1978-07-20 BR BR7804691A patent/BR7804691A/pt unknown
- 1978-07-21 AU AU38237/78A patent/AU521058B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
MX145279A (es) | 1982-01-20 |
AU521058B2 (en) | 1982-03-11 |
US4229719A (en) | 1980-10-21 |
AU3823778A (en) | 1980-01-24 |
DE2732963A1 (de) | 1979-05-03 |
BR7804691A (pt) | 1979-04-17 |
IT1097520B (it) | 1985-08-31 |
IT7825771A0 (it) | 1978-07-17 |
DE2732963C2 (de) | 1982-10-21 |
CA1105533A (fr) | 1981-07-21 |
EP0000711A1 (fr) | 1979-02-21 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Designated state(s): BE CH FR GB LU NL SE |
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17P | Request for examination filed | ||
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AK | Designated contracting states |
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PLBI | Opposition filed |
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26 | Opposition filed |
Opponent name: SIEMENS AG, BERLIN UND MUENCHEN Effective date: 19830113 |
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RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: SQUARE D STARKSTROM GMBH |
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PLBN | Opposition rejected |
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STAA | Information on the status of an ep patent application or granted ep patent |
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27O | Opposition rejected |
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NLR2 | Nl: decision of opposition | ||
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