EP0046841A1 - Mécanisme de commande pour disjoncteur - Google Patents
Mécanisme de commande pour disjoncteur Download PDFInfo
- Publication number
- EP0046841A1 EP0046841A1 EP81103221A EP81103221A EP0046841A1 EP 0046841 A1 EP0046841 A1 EP 0046841A1 EP 81103221 A EP81103221 A EP 81103221A EP 81103221 A EP81103221 A EP 81103221A EP 0046841 A1 EP0046841 A1 EP 0046841A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- contact
- leg
- switching mechanism
- spring
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
-
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
- H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
Definitions
- the invention relates to a switching mechanism for circuit breakers, in which an operating knob acts on a spring-loaded contact lever via a ratchet lever and forms a latching point with the ratchet lever with the aid of a bracket articulated on it.
- the object of the invention is to improve the switching mechanism mentioned at the outset in such a way that it requires the lowest possible release forces with the least amount of components and achieves short switch-off times. It should also be easy to assemble and take up little space. Furthermore, the mechanism should be expandable in a simple manner to generate a sudden contact actuation. According to the invention this is achieved in that the ratchet lever and the contact lever can be pivoted as a preassembled unit about a common housing-fixed axis and the ratchet lever acts on the contact lever in the contact closing direction via a leg spring, with a separately mounted release lever being provided for unlatching.
- the mechanism can be designed in such a way that the latch lever acts on the contact lever in the closed position on the contact lever in the contact closing direction via one leg of the leg spring that wraps around the common axis and is supported on the housing with the other leg.
- the latch lever can also be used with the Contact lever can be clamped via a spring generating the contact pressure in the switched-on position, a second leg spring acting on the latch lever at one end, wrapping around the common axis and supporting the other end on a housing stop, is provided for switching off.
- a locking lever which temporarily locks the contact lever during the switching-on process in the open position and on which the operating knob acts in the unlocking direction is provided on the axis of the release lever.
- the switching mechanism according to FIGS. 1 to 3 consists of a double-armed contact lever 1, which forms a contact piece 2 at a lever arm end, which cooperates with a stationary contact 3.
- the contact lever is mounted together with a jack arm 4, which is also double-armed, on an axle 5 fixed to the housing.
- a leg spring 6, which also serves as a switch-off and contact pressure spring, wraps around the axis 5 and engages with one leg 6a between the latch lever 4 and the contact-side lever arm of the contact lever 1, while the other leg 6b is supported on a housing stop 7.
- the pawl lever 4 acts with a Approach 4a on the leg spring 6 and with this approach engages an angled portion 1a of the contact lever 1.
- the contact lever has a U- shaped cross-sectional profile at its contact-side end, so that the leg 6a of the leg spring 6 and also the contact-side lever arm of the ratchet lever is located between the side cheeks of the contact lever.
- the contact lever 1 forms, together with the ratchet lever 4, the leg spring 6 and the axis 5, a unit which can be preassembled and can therefore be used completely in the switch housing.
- a steel ball 4b is attached, preferably welded, which, together with an angled portion 8a of a bracket 8, forms the latching point 11.
- the trigger lever cooperates with a lever arm 11a with the bracket 8.
- a plunger 12 engages a magnetic trigger coil 13, which is only indicated. Coupling means 14 for unlatching adjacent mechanisms are also provided on this leg 11b.
- the leg of the contact lever 1 remote from the contact can also influence the release lever 11 on its leg 11a.
- the steel ball 4b of the ratchet lever is latched to the bend 8a of the bracket 8.
- the extension 4a of the ratchet lever presses on the leg 6a of the leg spring, which in turn rests against the rear of the web 1b of the contact lever and holds it in the contact closed position.
- the contact pressure for the closed position is thus generated by the leg 6a of the leg spring.
- the plunger 12 of the release coil 13 strikes the leg 11b of the release lever and rotates it counterclockwise that the leg 11a pushes the bracket 8 away from the steel ball 4b of the latch lever, whereby the latching is released.
- the leg 6a of the leg spring now also rotates counterclockwise via the extension 4a of the ratchet lever until it strikes the bend 1a of the contact lever 1 and takes it along.
- the contact point 2, 3 is thus opened.
- the trigger lever strikes the contact lever with a projection 11c and accelerates the contact opening by this impact action.
- the control knob also changes into the switch-off position shown in FIG. 2 by a spring, not shown.
- a double-armed, cross-sectionally provided with a U-shaped profile contact lever 20 is also provided, which forms a unit together with a one-armed ratchet lever 23 and a common axis 24 and a spring 25.
- Contact lever and pawl lever are braced against each other by the spring 25, the one hand on the pawl lever and on the other hand, spring resting on the back of the contact lever presses the pawl lever in the unlatched state with an edge 23a against the back 20a of the contact lever.
- the axis 24 of the contact lever pawl lever unit is fixed in the switch housing, not shown.
- the contact lever interacts with its contact piece 21, with a stationary contact piece 22.
- the spring 25 forms the contact pressure spring, while a further spring 26, which engages the pawl lever 23, loops around the axis 24 and is supported with the other end on a housing stop 27, acts as an opening spring.
- the latching-side end 23b of the latch lever 23 forms a spherical cap which, as in the embodiment according to FIGS. 1 to 3, cooperates with an angled portion 8a of a bracket 8.
- the bracket 8 is articulated to an operating knob 9 as in the embodiment according to FIGS. 1 to 3 and is under the action of a release lever 11 which can be pivoted about an axis 10 fixed to the housing.
- the release lever interacts with the bracket 8 with a lever arm 11a.
- a locking lever 28 which can be locked with a hook-shaped lever arm 28a on a pin 29 attached to the contact lever.
- the pin 29 is only inserted into two aligned openings of the cheeks of the contact lever. It passes through an elongated hole 23c provided in the ratchet lever and is guided between the housing walls in a manner not shown.
- the other lever arm 28b of the locking lever interacts with a pin 9a of the control knob 9.
- a spring 30 wrapping around the axis 10 acts with the one end on the locking lever in a counterclockwise direction, while it engages with the other end on the release lever in a clockwise direction.
- the spherical cap-like end 23b of the latch lever 23 is latched to the bend 8a of the bracket 8.
- the control knob 9 and the Bü Gel 8 are clamped to each other in the dead center position, the ratchet lever being raised against the action of the spring 25 with its edge 23a from the rear side 20a of the contact lever 20.
- the spring 25 applies the contact pressure at the contact point.
- the distance between the edge 23a and the back of the contact lever is a measure of the erosion reserve at the contact point.
- the locking lever 28 has no function in this switching position.
- the electromagnetic short-circuit release takes place as in the exemplary embodiment according to FIGS. 1 to 3.
- the switch goes into the position shown in FIG. 6.
- the invention is particularly advantageous because the contact lever ratchet lever unit can be mounted outside the device and installation in the switch housing is possible in the tensioned state.
- the mechanism requires relatively few individual parts that can be manufactured and assembled fully automatically.
- the insertion of the locking lever can either in the embodiment according to Fig.1 to 3 as 4 to 6 if contact and latch levers are provided with a corresponding receptacle for the locking pin.
- the mechanism according to FIGS. 4 to 6 can also be used without a locking lever if the sudden contact actuation is not necessary.
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81103221T ATE9422T1 (de) | 1980-08-21 | 1981-04-29 | Schaltmechanismus fuer leitungsschutzschalter. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803031482 DE3031482A1 (de) | 1980-08-21 | 1980-08-21 | Schaltmechanismus fuer leitungsschutzschalter |
DE3031482 | 1980-08-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0046841A1 true EP0046841A1 (fr) | 1982-03-10 |
EP0046841B1 EP0046841B1 (fr) | 1984-09-12 |
EP0046841B2 EP0046841B2 (fr) | 1989-11-08 |
Family
ID=6110064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81103221A Expired EP0046841B2 (fr) | 1980-08-21 | 1981-04-29 | Mécanisme de commande pour disjoncteur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0046841B2 (fr) |
AT (1) | ATE9422T1 (fr) |
DE (2) | DE3031482A1 (fr) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2552930A1 (fr) * | 1983-10-03 | 1985-04-05 | Licentia Gmbh | Mecanisme de commutation pour interrupteur de securite de ligne |
EP0146528A2 (fr) * | 1983-11-28 | 1985-06-26 | Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft Schrems-Eugenia Niederösterreich | Mécanisme de commutation pour disjoncteur de protection de puissance |
DE3524827A1 (de) * | 1984-09-19 | 1986-03-27 | Mitsubishi Denki K.K., Tokio/Tokyo | Elektrischer strompfadunterbrecher |
DE3614702A1 (de) * | 1985-05-01 | 1986-11-06 | Mitsubishi Denki K.K., Tokio/Tokyo | Schaltungsunterbrecher |
EP0214502A2 (fr) * | 1985-08-28 | 1987-03-18 | Richard Kommert | Mécanisme de commutation pour un disjoncteur électrique |
EP0255483A2 (fr) * | 1986-07-25 | 1988-02-03 | Weber Ag | Mécanisme de commutation d'un interrupteur de protection |
FR2610760A1 (fr) * | 1987-02-10 | 1988-08-12 | Serd Soc Et Realisa Disjonct | Interrupteur automatique multipolaire basse-tension a commande manuelle |
EP0369807A2 (fr) * | 1988-11-18 | 1990-05-23 | National Electrical Designs Limited | Disjoncteur miniaturisé |
FR2646015A1 (fr) * | 1989-04-18 | 1990-10-19 | Gec Unelec | Disjoncteur electrique |
EP0986083A2 (fr) * | 1998-09-08 | 2000-03-15 | GEWISS S.p.A. | Disjoncteur magnéto-thermique |
EP1003191A1 (fr) * | 1998-11-19 | 2000-05-24 | ABB Elettrocondutture S.p.A. | Interrupteur magnétothermique |
WO2006136265A1 (fr) * | 2005-06-23 | 2006-12-28 | Abb Patent Gmbh | Appareil de commutation, disjoncteur de ligne et analogue |
WO2011112159A1 (fr) * | 2010-03-08 | 2011-09-15 | Eti Elektroelement D.D. | Commutateur électrique de protection |
CN110824348A (zh) * | 2019-11-20 | 2020-02-21 | 国网辽宁省电力有限公司葫芦岛供电公司 | 一种手车式真空断路器梅花圆触头可调节式对接装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4628288A (en) * | 1984-05-15 | 1986-12-09 | Mitsubishi Denki Kabushiki Kaisha | Circuit interrupter |
US4641001A (en) * | 1984-06-15 | 1987-02-03 | Mitsubishi Denki Kabushiki Kaisha | Circuit interrupter |
DE4040301A1 (de) * | 1990-12-17 | 1992-07-02 | Geyer Gmbh & Co Christian | Schaltmechanismus |
DE10133879B4 (de) | 2001-07-12 | 2004-07-08 | Siemens Ag | Schaltgerät mit einem Schaltschloss |
CZ300092B6 (cs) * | 2001-09-20 | 2009-01-28 | Moeller Gebäudeautomation KG | Spínací mechanika pro ochranný spínac |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1192730B (de) * | 1962-03-09 | 1965-05-13 | Licentia Gmbh | Schaltmechanismus fuer Selbstschalter |
DE2158752B1 (de) * | 1971-09-30 | 1973-05-10 | Carl Maier + Cie, Schaflhausen (Schweiz) | Leitungsschutzschalter |
US3872273A (en) * | 1973-10-15 | 1975-03-18 | Ite Imperial Corp | Switchgear operating mechanism overcenter spring toggle with latched restraint |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2047223C3 (de) * | 1970-09-25 | 1974-04-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltmechanismus für Installationsselbstschalter |
DE2504954B2 (de) * | 1975-02-06 | 1976-12-02 | Fa. Heinrich Kopp, Inh. Theodor Simoneit, 8756 Kahl | Mechanisches sprungwerk, insbesondere fuer kleine hochleistungs-selbstschalter |
FR2331879A1 (fr) * | 1975-11-13 | 1977-06-10 | Legrand Sa | Disjoncteur, en particulier disjoncteur multipolaire |
DE2943696C2 (de) * | 1979-10-30 | 1982-06-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltmechanismus für Leitungsschutzschalter |
-
1980
- 1980-08-21 DE DE19803031482 patent/DE3031482A1/de active Granted
-
1981
- 1981-04-29 EP EP81103221A patent/EP0046841B2/fr not_active Expired
- 1981-04-29 DE DE8181103221T patent/DE3165952D1/de not_active Expired
- 1981-04-29 AT AT81103221T patent/ATE9422T1/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1192730B (de) * | 1962-03-09 | 1965-05-13 | Licentia Gmbh | Schaltmechanismus fuer Selbstschalter |
DE2158752B1 (de) * | 1971-09-30 | 1973-05-10 | Carl Maier + Cie, Schaflhausen (Schweiz) | Leitungsschutzschalter |
US3872273A (en) * | 1973-10-15 | 1975-03-18 | Ite Imperial Corp | Switchgear operating mechanism overcenter spring toggle with latched restraint |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2552930A1 (fr) * | 1983-10-03 | 1985-04-05 | Licentia Gmbh | Mecanisme de commutation pour interrupteur de securite de ligne |
EP0146528A2 (fr) * | 1983-11-28 | 1985-06-26 | Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft Schrems-Eugenia Niederösterreich | Mécanisme de commutation pour disjoncteur de protection de puissance |
EP0146528A3 (en) * | 1983-11-28 | 1987-01-21 | Felten & Guilleaume Fabrik Elektrischer Apparate Aktiengesellschaft Schrems-Eugenia Niederosterreich | Switching mechanism for a protective power circuit breaker |
DE3524827A1 (de) * | 1984-09-19 | 1986-03-27 | Mitsubishi Denki K.K., Tokio/Tokyo | Elektrischer strompfadunterbrecher |
DE3614702A1 (de) * | 1985-05-01 | 1986-11-06 | Mitsubishi Denki K.K., Tokio/Tokyo | Schaltungsunterbrecher |
EP0214502A2 (fr) * | 1985-08-28 | 1987-03-18 | Richard Kommert | Mécanisme de commutation pour un disjoncteur électrique |
EP0214502A3 (fr) * | 1985-08-28 | 1989-01-04 | Richard Kommert | Mécanisme de commutation pour un disjoncteur électrique |
EP0255483A2 (fr) * | 1986-07-25 | 1988-02-03 | Weber Ag | Mécanisme de commutation d'un interrupteur de protection |
EP0255483A3 (en) * | 1986-07-25 | 1989-12-13 | Weber Ag | Switching mechanism of a protective switch |
FR2610760A1 (fr) * | 1987-02-10 | 1988-08-12 | Serd Soc Et Realisa Disjonct | Interrupteur automatique multipolaire basse-tension a commande manuelle |
EP0369807A2 (fr) * | 1988-11-18 | 1990-05-23 | National Electrical Designs Limited | Disjoncteur miniaturisé |
EP0369807A3 (fr) * | 1988-11-18 | 1991-08-21 | National Electrical Designs Limited | Disjoncteur miniaturisé |
FR2646015A1 (fr) * | 1989-04-18 | 1990-10-19 | Gec Unelec | Disjoncteur electrique |
EP0393566A1 (fr) * | 1989-04-18 | 1990-10-24 | G.E.C. Unelec | Disjoncteur électrique |
EP0986083A2 (fr) * | 1998-09-08 | 2000-03-15 | GEWISS S.p.A. | Disjoncteur magnéto-thermique |
EP0986083A3 (fr) * | 1998-09-08 | 2000-08-09 | GEWISS S.p.A. | Disjoncteur magnéto-thermique |
EP1003191A1 (fr) * | 1998-11-19 | 2000-05-24 | ABB Elettrocondutture S.p.A. | Interrupteur magnétothermique |
WO2006136265A1 (fr) * | 2005-06-23 | 2006-12-28 | Abb Patent Gmbh | Appareil de commutation, disjoncteur de ligne et analogue |
WO2011112159A1 (fr) * | 2010-03-08 | 2011-09-15 | Eti Elektroelement D.D. | Commutateur électrique de protection |
CN110824348A (zh) * | 2019-11-20 | 2020-02-21 | 国网辽宁省电力有限公司葫芦岛供电公司 | 一种手车式真空断路器梅花圆触头可调节式对接装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0046841B2 (fr) | 1989-11-08 |
DE3031482C2 (fr) | 1988-03-31 |
DE3031482A1 (de) | 1982-04-01 |
DE3165952D1 (en) | 1984-10-18 |
ATE9422T1 (de) | 1984-09-15 |
EP0046841B1 (fr) | 1984-09-12 |
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