EP0102867A1 - Modulstrombegrenzungsvorrichtungen - Google Patents
Modulstrombegrenzungsvorrichtungen Download PDFInfo
- Publication number
- EP0102867A1 EP0102867A1 EP83401525A EP83401525A EP0102867A1 EP 0102867 A1 EP0102867 A1 EP 0102867A1 EP 83401525 A EP83401525 A EP 83401525A EP 83401525 A EP83401525 A EP 83401525A EP 0102867 A1 EP0102867 A1 EP 0102867A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection
- contact arm
- housing
- contact
- angle
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 1
- 230000008033 biological extinction Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
- H01H77/107—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by the blow-off force generating means, e.g. current loops
- H01H77/108—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by the blow-off force generating means, e.g. current loops comprising magnetisable elements, e.g. flux concentrator, linear slot motor
-
- 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
-
- 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
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
Definitions
- the present invention relates to modular current limiting devices and to their use in series with a circuit breaker or an automatic circuit breaker.
- FIG. 1 represents a three-pole device 14 whose screws of the connection means are arranged at a pitch Q from one another.
- Each limiter is associated with a limiter 8 box 1. This open box fits into the next, from left to right and the last box is closed by a cover 12 of thickness Z.
- Each box has a useful depth X + Y, X being the distance separating the bottom of the box from the plane of symmetry of the connection terminal of a pole of the device 14 and Y the distance from the plane of symmetry to the bottom of the adjacent box or the cover . /
- FIG. 2 shows another form of assembly, in which a three-pole modular device 13 is associated with three housing / cover assemblies 8, 12, so that the plane of symmetry of the tongues of each limiter coincides with the axis of symmetry of the screws of the connection terminals of each module of the device 13: each module has a thickness P ⁇ Q and the screws being arranged in the plane of symmetry.
- Figures 3 to 5 and 12 show the limiter 1, mounted in a housing whose useful dimensions in depth are fixed by the relationships listed above.
- the polar unit comprises an insulating housing 8 of essentially square outline.
- a fixed contact 3 is mounted in a groove 86 (FIG. 12), provided in a boss 84. This boss serves as a means of centering the modular unit with respect to a connection of a device 13 or 14.
- This fixed contact 3 penetrates in a direction perpendicular to the face lateral of the housing provided with the boss 84, then carries a portion 31 folded perpendicularly in a direction parallel to the housing, finally ending with a portion 32 making an angle ⁇ with respect to this direction, so as to be parallel to the fins 110 of the chamber extinguisher 11 and to the partition 85 (FIG. 12) of the housing.
- a contact arm 2 is mounted so as to move between open and closed positions by turning around a pivot pin 5 secured to the housing, this contact arm being constituted by a cut sheet of conductive metal.
- the contact arm 2 is provided with a hooking spout 21, which cooperates with a torsion spring 4, urging the contact arms 2 in a counterclockwise direction towards the closed position and disposed on a boss 80 or in a form in hollow ( Figure 12) of the housing, at a distance (a) from the pivot pin 5.
- the fulcrum of the end of the spring is at a distance (b) from the pin, so that when the lever pivots by an angle ⁇ , the torsional force applied by the spring varies according to a value proportional to ⁇ .
- the contact arm makes, when the contact is closed, an angle Y relative to the direction of the fixed contact portion 31 parallel to the side of the housing 8 provided with the boss 84, and is in a direction practically orthogonal to the direction of connection, that is to say parallel to the portion 31 when the contact is open.
- the contact arm 2 ends in a portion 22 in the shape of a horn near the point of contact and forming an angle ⁇ with a direction parallel to the portion 31. As can be seen in FIGS. 3 to 5, this arm of contact 2 forms a current loop with the portion 31.
- a cage connection terminal 6, seamless, is mounted in a housing 81 of the housing 8 and clamps the line conductor against a conductor 9 which is housed in a groove 810 and rests on a shoulder 811 ( Figure 3 to 5 and 12)
- an extended conductor 9 2 bypasses the terminal 6 'and the housing 8, with two folds and, on its end, is crimped the axis 5 of the contact 2.
- the axis is made of a good conductive material.
- Figure 5 shows the mounting of the axis 5 in a form provided in the bottom of the housing; it is held on the other side by the end of the part 9 2 .
- the housing is provided with an opening 82 intended for the passage of a line conductor to be connected to terminal 6, and materializes a direction of connection parallel to directions 82 and 3.
- the housing 8 also has an opening 83 (FIG. 12) for the introduction of a tool intended to act on / a connection screw 60 for fixing this line conductor in the cage terminal 6.
- a magnetic device 10 is arranged in a housing provided for this purpose in the housing 8. In order to facilitate its mounting, it consists of one or two thick sheets whose shapes, obtained by folding, allow the part to be surrounded loop formed by the contact arm 2 and the portion 31. These sheets are made of a magnetically soft material like iron and can take: either the shape of an "L", or of a "J"; either two "L” placed head to tail. ( Figures 9, 10, 11).
- one or more insulating parts which isolate the magnetic device 10 from the conductive parts 3, 2, 7, 9 can be provided in certain configurations.
- the arc structure 11 is placed and maintained by known means in a housing 87.
- This structure is of a well known type and comprises a series of rectangular plates 110 made of magnetic material.
- the plates 110 which have a "V" notch, are stacked by being placed face to face, at a certain distance from each other, their notches being aligned so that the end of the contact arm 2 can pass through the 'notch when moving to the open position.
- These plates are arranged along a plane parallel to the partition 85 (FIG. 12), which forms an angle a with the lateral face of the housing 8, provided with the centering boss 84.
- the housing 8 also includes a channel 88 (FIG. 3) for guiding the hot gases, which originates in the housing of the extinguishing chamber and opens out through an orifice situated below the orifice 82 for introducing the conductor.
- This - channel is provided with a boss 801 serving as a baffle for the gases and allowing the passage, through a hole 800, of means for assembling several boxes together or a box with its cover.
- a second hole 800 is placed in a boss 802 disposed at the corner of the housing, opposite the exhaust channel.
- the open box 8 with its bottom, the wall 85 and the bottom of the upper box or a cover, forms a channel 134 for evacuating the gases coming from the channel 132 of the device 13 or 14, with which the limiter is mounted in series, as can be seen in FIG. 13.
- This box 8 has a side wall 804 which forms an angle a with a direction parallel to the direction of the connections.
- the angle a allows to mount the assembly on the profile, without a part of the limiter 1 abuts against the bottom 16 of the cabinet or the support plate.
- ⁇ , ⁇ , ⁇ the respective values: 7.1; 24; 31; 30.
- the magnetic device 10 by channeling this flux as shown in FIGS. 6 to 10, maintains the field of repulsion between the two parts until full opening, and cancels the opposing force which could be created by the contact arm 2 and the connecting conductor between connection and mobile contact.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Communication Cables (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83401525T ATE19710T1 (de) | 1982-08-06 | 1983-07-25 | Modulstrombegrenzungsvorrichtungen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8213749A FR2531565B1 (fr) | 1982-08-06 | 1982-08-06 | Dispositifs modulaires de limitation de courant |
FR8213749 | 1982-08-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0102867A1 true EP0102867A1 (de) | 1984-03-14 |
EP0102867B1 EP0102867B1 (de) | 1986-05-07 |
Family
ID=9276691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83401525A Expired EP0102867B1 (de) | 1982-08-06 | 1983-07-25 | Modulstrombegrenzungsvorrichtungen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0102867B1 (de) |
AT (1) | ATE19710T1 (de) |
DE (1) | DE3363394D1 (de) |
ES (1) | ES524769A0 (de) |
FR (1) | FR2531565B1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2584531A1 (fr) * | 1985-07-05 | 1987-01-09 | Telemecanique Electrique | Limiteur de courant muni d'un element de visualisation |
EP0335823A1 (de) * | 1988-03-28 | 1989-10-04 | Siemens Aktiengesellschaft | Schaltgerätekombination aus Niederspannungs-Leistungsschalter und strombegrenzender Schalteinrichtung |
EP0418755A2 (de) * | 1989-09-18 | 1991-03-27 | Mitsubishi Denki Kabushiki Kaisha | Strombegrenzender Stromkreisunterbrecher |
FR2734397A1 (fr) * | 1995-05-17 | 1996-11-22 | Abb Patent Gmbh | Dispositif d'extinction d'arc electrique pour un interrupteur electrique |
FR2811136A1 (fr) * | 2000-07-03 | 2002-01-04 | Schneider Electric Ind Sa | Module associe a un appareil interrupteur electromagnetique |
WO2002035571A1 (en) * | 2000-10-24 | 2002-05-02 | Siemens Energy & Automation, Inc. | Auxiliary contact molded case circuit breaker |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1141012B (de) * | 1958-10-28 | 1962-12-13 | Licentia Gmbh | Schutzeinrichtung in Stromversorgungs- und Verteilungsanlagen |
GB1056132A (en) * | 1963-02-07 | 1967-01-25 | Terasaki Denki Sangyo Kk | Electrical circuit interrupter |
DE1286184B (de) * | 1962-07-13 | 1969-01-02 | Licentia Gmbh | Elektrischer Schalter, insbesondere Selbstschalter |
FR1596145A (de) * | 1968-09-28 | 1970-06-15 | ||
US3614687A (en) * | 1968-08-28 | 1971-10-19 | Tokyo Shibaura Electric Co | Circuit interrupting apparatus |
DE2258607A1 (de) * | 1971-12-02 | 1973-06-07 | Legrand Sa | Ueberstromschalter |
US3815059A (en) * | 1972-12-01 | 1974-06-04 | Westinghouse Electric Corp | Circuit interrupter comprising electromagnetic opening means |
EP0028740A1 (de) * | 1979-11-01 | 1981-05-20 | Fuji Electric Co. Ltd. | Schaltgerät mit einer Kontaktanordnung |
EP0030872A2 (de) * | 1979-12-17 | 1981-06-24 | Gould Inc. | Strombegrenzender Adapter für Leistungsschalter |
-
1982
- 1982-08-06 FR FR8213749A patent/FR2531565B1/fr not_active Expired
-
1983
- 1983-07-25 DE DE8383401525T patent/DE3363394D1/de not_active Expired
- 1983-07-25 EP EP83401525A patent/EP0102867B1/de not_active Expired
- 1983-07-25 AT AT83401525T patent/ATE19710T1/de not_active IP Right Cessation
- 1983-08-05 ES ES524769A patent/ES524769A0/es active Granted
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1141012B (de) * | 1958-10-28 | 1962-12-13 | Licentia Gmbh | Schutzeinrichtung in Stromversorgungs- und Verteilungsanlagen |
DE1286184B (de) * | 1962-07-13 | 1969-01-02 | Licentia Gmbh | Elektrischer Schalter, insbesondere Selbstschalter |
GB1056132A (en) * | 1963-02-07 | 1967-01-25 | Terasaki Denki Sangyo Kk | Electrical circuit interrupter |
US3614687A (en) * | 1968-08-28 | 1971-10-19 | Tokyo Shibaura Electric Co | Circuit interrupting apparatus |
FR1596145A (de) * | 1968-09-28 | 1970-06-15 | ||
DE2258607A1 (de) * | 1971-12-02 | 1973-06-07 | Legrand Sa | Ueberstromschalter |
US3815059A (en) * | 1972-12-01 | 1974-06-04 | Westinghouse Electric Corp | Circuit interrupter comprising electromagnetic opening means |
EP0028740A1 (de) * | 1979-11-01 | 1981-05-20 | Fuji Electric Co. Ltd. | Schaltgerät mit einer Kontaktanordnung |
EP0030872A2 (de) * | 1979-12-17 | 1981-06-24 | Gould Inc. | Strombegrenzender Adapter für Leistungsschalter |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2584531A1 (fr) * | 1985-07-05 | 1987-01-09 | Telemecanique Electrique | Limiteur de courant muni d'un element de visualisation |
EP0208614A1 (de) * | 1985-07-05 | 1987-01-14 | Telemecanique | Stromabgrenzer mit einem sichtbaren Anzeiger |
EP0335823A1 (de) * | 1988-03-28 | 1989-10-04 | Siemens Aktiengesellschaft | Schaltgerätekombination aus Niederspannungs-Leistungsschalter und strombegrenzender Schalteinrichtung |
EP0418755A2 (de) * | 1989-09-18 | 1991-03-27 | Mitsubishi Denki Kabushiki Kaisha | Strombegrenzender Stromkreisunterbrecher |
EP0418755A3 (en) * | 1989-09-18 | 1992-03-25 | Mitsubishi Denki Kabushiki Kaisha | Current limiting circuit breaker |
US5159304A (en) * | 1989-09-18 | 1992-10-27 | Mitsubishi Denki Kabushiki Kaisha | Current limiting circuit breaker |
FR2734397A1 (fr) * | 1995-05-17 | 1996-11-22 | Abb Patent Gmbh | Dispositif d'extinction d'arc electrique pour un interrupteur electrique |
FR2811136A1 (fr) * | 2000-07-03 | 2002-01-04 | Schneider Electric Ind Sa | Module associe a un appareil interrupteur electromagnetique |
US6515850B2 (en) | 2000-07-03 | 2003-02-04 | Schneider Electric Industries Sa | Module combined with an electromagnetic switch appliance |
WO2002035571A1 (en) * | 2000-10-24 | 2002-05-02 | Siemens Energy & Automation, Inc. | Auxiliary contact molded case circuit breaker |
Also Published As
Publication number | Publication date |
---|---|
ES8404756A1 (es) | 1984-05-01 |
ATE19710T1 (de) | 1986-05-15 |
ES524769A0 (es) | 1984-05-01 |
DE3363394D1 (en) | 1986-06-12 |
FR2531565B1 (fr) | 1985-11-15 |
EP0102867B1 (de) | 1986-05-07 |
FR2531565A1 (fr) | 1984-02-10 |
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