EP0047847B1 - Leitungsschutzschalter - Google Patents

Leitungsschutzschalter Download PDF

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Publication number
EP0047847B1
EP0047847B1 EP81105929A EP81105929A EP0047847B1 EP 0047847 B1 EP0047847 B1 EP 0047847B1 EP 81105929 A EP81105929 A EP 81105929A EP 81105929 A EP81105929 A EP 81105929A EP 0047847 B1 EP0047847 B1 EP 0047847B1
Authority
EP
European Patent Office
Prior art keywords
latch
spring
lever
rotation
circuit breaker
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
Application number
EP81105929A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0047847A1 (de
Inventor
Martin Staffen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT81105929T priority Critical patent/ATE10045T1/de
Publication of EP0047847A1 publication Critical patent/EP0047847A1/de
Application granted granted Critical
Publication of EP0047847B1 publication Critical patent/EP0047847B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • H01H71/1072—Release mechanisms which are reset by opening movement of contacts
    • 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
    • H01H71/527—Manual reset mechanisms which may be also used for manual release actuated by lever making use of a walking beam with one extremity latchable, the other extremity actuating or supporting the movable contact and an intermediate part co-operating with the actuator
    • 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
    • H01H2071/0292—Housing or frames containing grooves or slots for guiding movable parts

Definitions

  • the invention relates to a circuit breaker, the switch lock consists essentially of a rotatably mounted pawl, which rotatably engages over a contact lever and stands on a release element, and a manual control element which is connected outside of its pivot point by a spring to the pawl next to its pivot point stands.
  • a known miniature circuit breaker US-A-2190517
  • USB-A-2190517 a known miniature circuit breaker
  • the invention is based on the finding that the known circuit breaker can still be fundamentally improved and can be upgraded for today's requirements.
  • the invention has for its object to develop a miniature circuit breaker that manages with only one spring using a continuously operating switch lock, ie without snap action.
  • the pivot point of the pawl is formed by a ratchet lever, which is guided in a link and is connected eccentrically to the pivot point of the manual control element, and that the spring acts on the contact lever.
  • the spring acts as a tension spring on the contact lever between its axis of rotation and the fulcrum of the ratchet lever and that the fixed contact piece associated with the contact piece of the contact lever is arranged on the side facing the pawl which faces away from the manual control element.
  • a circuit breaker has a particularly simple structure.
  • the pawl 1 has a rotatably mounted pawl 1, a contact lever 2 and a manual control element 3 in its switch lock.
  • the pawl stands on a trigger element 4.
  • this is a rail magnet, that is to say a combined thermal and magnetic release, as is known per se (US-A-3081368, FR-A-1309280).
  • the fulcrum 5 of the pawl 1 is formed by a pawl lever 6 which is guided in a link 7 in such a way that there is an approximately constant distance from the latching point 8.
  • the pawl lever 6 is connected eccentrically to the fulcrum 9 of the manual control member 3.
  • a spring 10 in the exemplary embodiment a tension spring, engages on the contact lever 2, which is partially overlapped by the pawl 1 in a U-shape and is rotatably held on an axis of rotation 11.
  • a contact piece 12 is arranged on the contact lever 2 and a contact piece 13 is arranged on the fixed contact. Extinguishing plates can be arranged between the contact pieces in a known manner, but are also unnecessary for simple switching tasks.
  • the current path via the trigger element 4, which can also be a conventional electromagnetic and thermal trigger, can run via a stranded wire of a known type, which is not shown, to the contact lever 2 and from there to the contact piece 13 and a connecting terminal.
  • Another connection terminal can be arranged on the other side of the circuit breaker at the trigger element 4.
  • the circuit breaker can be snapped onto mounting rails in the usual manner with the snap device 14.
  • the spring 10 acts as a tension spring on the contact lever 2 between its axis of rotation 11 and the fulcrum 5 of the latch lever 6, it is advantageous if the fixed contact piece 13 assigned to the contact piece 12 of the contact lever 2 is arranged on the side of the latch 1, which faces away from the manual control element 3.
  • the pawl lever 6 is rotatably connected to the manual control element 3 at the point 15.
  • the switching state according to FIG. 1 changes to that according to FIG. 2.
  • the manual control element 3 forms a guide lip 16 for the spring 10. It is formed on the manual control element 3 in such a way that in the position of free release when the manual control element 3 is held by hand and the circuit breaker responds and the release element 4 releases the pawl 1 , then the imaginary center line of the spring 10 is raised approximately to the connecting line between the ratchet lever 6 and the ratchet 1 on the one hand and the pivot point 9 of the manual control element 1 on the other hand.
  • the switching position of the free trip is illustrated in Fig. 3. In this switching position, the spring 10 can contract somewhat and an unstable state is formed with regard to the torque caused by the tensile force of the spring 10, so that the internal spring forces which want to bring about a straight position release the manual control element 1 into position transfer to Fig. 1.
  • the manual control element 3 is configured in the form of a roller, as shown in the figures.
  • the hand control 1 To reset the free release according to FIG. 3 into the switch-on position, the hand control 1 only needs to be transferred from the switch-off position into the switch-on position after being released. 3 moves clockwise to the right, the pawl lever 6 lifts the pawl 1 under the tensile force of the spring 10 to the latching point 8. During this process, the position of the ratchet lever 6 and the imaginary axis of the spring 10 increasingly diverge until they have reached the position shown in FIG. 1. As a result, the torque exerted by the spring 10 becomes increasingly greater, so that an increasing releasing force is achieved.

Landscapes

  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanical Control Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Push-Button Switches (AREA)
EP81105929A 1980-09-15 1981-07-27 Leitungsschutzschalter Expired EP0047847B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81105929T ATE10045T1 (de) 1980-09-15 1981-07-27 Leitungsschutzschalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803034790 DE3034790A1 (de) 1980-09-15 1980-09-15 Leitungsschutzschalter
DE3034790 1980-09-15

Publications (2)

Publication Number Publication Date
EP0047847A1 EP0047847A1 (de) 1982-03-24
EP0047847B1 true EP0047847B1 (de) 1984-10-24

Family

ID=6111996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81105929A Expired EP0047847B1 (de) 1980-09-15 1981-07-27 Leitungsschutzschalter

Country Status (21)

Country Link
US (1) US4376270A (pt)
EP (1) EP0047847B1 (pt)
JP (1) JPS5782927A (pt)
AR (1) AR227198A1 (pt)
AT (1) ATE10045T1 (pt)
AU (1) AU7520981A (pt)
BR (1) BR8105858A (pt)
DD (1) DD201742A5 (pt)
DE (3) DE8024641U1 (pt)
DK (1) DK407381A (pt)
ES (1) ES505448A0 (pt)
FI (1) FI812837L (pt)
GB (1) GB2084403B (pt)
GR (1) GR74666B (pt)
HU (1) HU182752B (pt)
IL (1) IL63821A (pt)
MX (1) MX150576A (pt)
MY (1) MY8500826A (pt)
PT (1) PT73668B (pt)
RO (1) RO80534B (pt)
ZA (1) ZA816354B (pt)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206462A1 (de) * 1982-02-23 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Leitungsschutzschalter
JPS58169732A (ja) * 1982-03-31 1983-10-06 松下電工株式会社 回路遮断器
JPS5916052U (ja) * 1982-07-20 1984-01-31 富士電機株式会社 しや断器の可動接触子
DE3242062A1 (de) * 1982-11-13 1984-05-17 Brown, Boveri & Cie Ag, 6800 Mannheim Elektrischer schalter
US4609799A (en) * 1984-01-13 1986-09-02 Mitsubishi Denki Kabushiki Kaisha Circuit interrupter
US4641001A (en) * 1984-06-15 1987-02-03 Mitsubishi Denki Kabushiki Kaisha Circuit interrupter
DE3423541A1 (de) * 1984-06-26 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Leitungsschutzschalter, geeignet fuer mehrpoligen zusammenbau
FR2587829B1 (fr) * 1985-09-20 1993-05-07 Telemecanique Electrique Interrupteur de protection a biellette elastique
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ATE119311T1 (de) * 1990-06-21 1995-03-15 Siemens Ag Einbauschalter.
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AT408929B (de) * 1995-07-28 2002-04-25 Felten & Guilleaume Ag Oester Einpoliger ausschalter
IT1292453B1 (it) 1997-07-02 1999-02-08 Aeg Niederspannungstech Gmbh Gruppo rotante di contatti per interrutttori di alta portata
DE19819242B4 (de) 1998-04-29 2005-11-10 Ge Power Controls Polska Sp.Z.O.O. Thermomagnetischer Leistungsschalter
US6114641A (en) * 1998-05-29 2000-09-05 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6087913A (en) * 1998-11-20 2000-07-11 General Electric Company Circuit breaker mechanism for a rotary contact system
US6037555A (en) * 1999-01-05 2000-03-14 General Electric Company Rotary contact circuit breaker venting arrangement including current transformer
US6166344A (en) * 1999-03-23 2000-12-26 General Electric Company Circuit breaker handle block
US6262872B1 (en) 1999-06-03 2001-07-17 General Electric Company Electronic trip unit with user-adjustable sensitivity to current spikes
US6268991B1 (en) 1999-06-25 2001-07-31 General Electric Company Method and arrangement for customizing electronic circuit interrupters
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US6239395B1 (en) 1999-10-14 2001-05-29 General Electric Company Auxiliary position switch assembly for a circuit breaker
US6229413B1 (en) 1999-10-19 2001-05-08 General Electric Company Support of stationary conductors for a circuit breaker
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US6232856B1 (en) 1999-11-02 2001-05-15 General Electric Company Magnetic shunt assembly
ES2249875T3 (es) 1999-11-03 2006-04-01 AEG NIEDERSPANNUNGSTECHNIK GMBH & CO. KG Disposicion de brazo de contacto rotatorio para disyuntor.
US6377144B1 (en) 1999-11-03 2002-04-23 General Electric Company Molded case circuit breaker base and mid-cover assembly
US6300586B1 (en) 1999-12-09 2001-10-09 General Electric Company Arc runner retaining feature
US6310307B1 (en) 1999-12-17 2001-10-30 General Electric Company Circuit breaker rotary contact arm arrangement
US6172584B1 (en) 1999-12-20 2001-01-09 General Electric Company Circuit breaker accessory reset system
US6184761B1 (en) 1999-12-20 2001-02-06 General Electric Company Circuit breaker rotary contact arrangement
US6215379B1 (en) 1999-12-23 2001-04-10 General Electric Company Shunt for indirectly heated bimetallic strip
US6281461B1 (en) 1999-12-27 2001-08-28 General Electric Company Circuit breaker rotor assembly having arc prevention structure
US6346869B1 (en) 1999-12-28 2002-02-12 General Electric Company Rating plug for circuit breakers
US6211758B1 (en) 2000-01-11 2001-04-03 General Electric Company Circuit breaker accessory gap control mechanism
US6239677B1 (en) 2000-02-10 2001-05-29 General Electric Company Circuit breaker thermal magnetic trip unit
US6429759B1 (en) 2000-02-14 2002-08-06 General Electric Company Split and angled contacts
US6281458B1 (en) 2000-02-24 2001-08-28 General Electric Company Circuit breaker auxiliary magnetic trip unit with pressure sensitive release
US6313425B1 (en) 2000-02-24 2001-11-06 General Electric Company Cassette assembly with rejection features
US6204743B1 (en) 2000-02-29 2001-03-20 General Electric Company Dual connector strap for a rotary contact circuit breaker
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US6448521B1 (en) 2000-03-01 2002-09-10 General Electric Company Blocking apparatus for circuit breaker contact structure
US6379196B1 (en) * 2000-03-01 2002-04-30 General Electric Company Terminal connector for a circuit breaker
US6340925B1 (en) 2000-03-01 2002-01-22 General Electric Company Circuit breaker mechanism tripping cam
US6346868B1 (en) 2000-03-01 2002-02-12 General Electric Company Circuit interrupter operating mechanism
US6366438B1 (en) 2000-03-06 2002-04-02 General Electric Company Circuit interrupter rotary contact arm
US6459349B1 (en) 2000-03-06 2002-10-01 General Electric Company Circuit breaker comprising a current transformer with a partial air gap
US6211757B1 (en) 2000-03-06 2001-04-03 General Electric Company Fast acting high force trip actuator
US6496347B1 (en) 2000-03-08 2002-12-17 General Electric Company System and method for optimization of a circuit breaker mechanism
US6429659B1 (en) 2000-03-09 2002-08-06 General Electric Company Connection tester for an electronic trip unit
US6232859B1 (en) 2000-03-15 2001-05-15 General Electric Company Auxiliary switch mounting configuration for use in a molded case circuit breaker
US6366188B1 (en) 2000-03-15 2002-04-02 General Electric Company Accessory and recess identification system for circuit breakers
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US6459059B1 (en) * 2000-03-16 2002-10-01 General Electric Company Return spring for a circuit interrupter operating mechanism
US6472620B2 (en) 2000-03-17 2002-10-29 Ge Power Controls France Sas Locking arrangement for circuit breaker draw-out mechanism
US6479774B1 (en) 2000-03-17 2002-11-12 General Electric Company High energy closing mechanism for circuit breakers
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US6388213B1 (en) 2000-03-17 2002-05-14 General Electric Company Locking device for molded case circuit breakers
FR2806548B1 (fr) 2000-03-17 2002-08-23 Ge Power Controls France Mecanisme extractible pour disjoncteurs
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US6995640B2 (en) * 2000-05-16 2006-02-07 General Electric Company Pressure sensitive trip mechanism for circuit breakers
US6373357B1 (en) * 2000-05-16 2002-04-16 General Electric Company Pressure sensitive trip mechanism for a rotary breaker
US6400245B1 (en) 2000-10-13 2002-06-04 General Electric Company Draw out interlock for circuit breakers
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US6362711B1 (en) 2000-11-10 2002-03-26 General Electric Company Circuit breaker cover with screw locating feature
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US11225157B1 (en) 2017-12-29 2022-01-18 Robert Michael Milanes EV home charging unit and method of use

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Also Published As

Publication number Publication date
ES8206907A1 (es) 1982-08-16
HU182752B (en) 1984-03-28
IL63821A (en) 1985-09-29
JPS6340008B2 (pt) 1988-08-09
ATE10045T1 (de) 1984-11-15
GR74666B (pt) 1984-06-29
BR8105858A (pt) 1982-06-08
PT73668B (de) 1982-11-17
RO80534B (ro) 1984-03-30
PT73668A (de) 1981-10-01
AU7520981A (en) 1982-03-25
GB2084403B (en) 1984-08-22
FI812837L (fi) 1982-03-16
ES505448A0 (es) 1982-08-16
DE3166838D1 (en) 1984-11-29
MY8500826A (en) 1985-12-31
RO80534A (ro) 1984-03-15
AR227198A1 (es) 1982-09-30
JPS5782927A (en) 1982-05-24
US4376270A (en) 1983-03-08
EP0047847A1 (de) 1982-03-24
DE8024641U1 (de) 1980-12-11
DE3034790A1 (de) 1982-03-25
DD201742A5 (de) 1983-08-03
DK407381A (da) 1982-03-16
IL63821A0 (en) 1981-12-31
MX150576A (es) 1984-05-30
ZA816354B (en) 1982-09-29
GB2084403A (en) 1982-04-07

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