EP2246871A1 - Disjoncteur pour assurer un circuit - Google Patents

Disjoncteur pour assurer un circuit Download PDF

Info

Publication number
EP2246871A1
EP2246871A1 EP10007784A EP10007784A EP2246871A1 EP 2246871 A1 EP2246871 A1 EP 2246871A1 EP 10007784 A EP10007784 A EP 10007784A EP 10007784 A EP10007784 A EP 10007784A EP 2246871 A1 EP2246871 A1 EP 2246871A1
Authority
EP
European Patent Office
Prior art keywords
slide
contact
circuit breaker
housing
slider
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
Application number
EP10007784A
Other languages
German (de)
English (en)
Other versions
EP2246871B1 (fr
Inventor
Wolfgang Ullermann
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.)
Ellenberger and Poensgen GmbH
Original Assignee
Ellenberger and Poensgen GmbH
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
Priority claimed from DE200520004409 external-priority patent/DE202005004409U1/de
Application filed by Ellenberger and Poensgen GmbH filed Critical Ellenberger and Poensgen GmbH
Priority to PL10007784T priority Critical patent/PL2246871T3/pl
Publication of EP2246871A1 publication Critical patent/EP2246871A1/fr
Application granted granted Critical
Publication of EP2246871B1 publication Critical patent/EP2246871B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H73/22—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 having electrothermal release and no other automatic release
    • H01H73/26—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 having electrothermal release and no other automatic release reset by tumbler
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms
    • H01H23/164—Driving mechanisms with rectilinearly movable member carrying the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • H01Q1/103—Latching means; ensuring extension or retraction thereof
    • 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
    • H01H73/22—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 having electrothermal release and no other automatic release
    • H01H73/30—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 having electrothermal release and no other automatic release reset by push-button, pull-knob or slide

Definitions

  • the invention relates to a circuit breaker for securing a circuit according to the preamble of claim 1.
  • a circuit breaker is made of DE 842 082 C known.
  • a circuit breaker in which for manual switching on and off and for release in case of overcurrent, a switching mechanism is provided which comprises a release lever coupled via a Verklinkungshebel with a rocker switch as an actuating lever.
  • a heated bimetal acts on the release lever. Whose conditional movement leads to the unlatching of the switching mechanism, with the result that the coupled with the release lever Verklinkungshebel causes the contact opening.
  • the invention has for its object to provide a particularly simple circuit breaker.
  • the circuit breaker comprises a slider coupled to an actuator, the contact end rests against the contact spring.
  • the slider movably held in the housing acts on the contact spring counter to its restoring force in the contact position.
  • the slide engages in closed position of the circuit breaker.
  • For displacement of the slider in the closed position by means of the actuating element act locking elements in the form of switching cam on the slide and the actuating element via a switching edge together.
  • a first latching element and the slider a second latching element are provided on the actuating element, wherein upon actuation of the actuating element in the switch-on direction, the latching elements slide over the switching edge preferably provided on the actuating element into the latching position.
  • the switching edge is formed directly adjacent to the locking lug on the actuating element. The switching cam moves when moving the slider in the on position along the switching edge along until the switching cam engages behind the locking lug. By locking the switching cam, the slider is locked in the on position.
  • this is expediently arranged rotatably in the housing base of the housing from an initial position about an axis of rotation, preferably about the slide longitudinal axis.
  • the actuating element carries a pivoting during its operation spring tab, which returns the rotated slider to its original position.
  • the spring flap provided for returning the slide rotated out of its starting or rest position can also be integrally formed on the housing on the inside.
  • two superimposed in the slider longitudinal direction of contact springs and two at the contact end of the slider in the slider longitudinal direction z. B. stage and / or superimposed contact arms provided, each of which rests against one of the free-end-side contact springs.
  • the contact end of the slider is guided in a slide guide of the housing or in the housing base.
  • a slide guide is provided with a slide stop.
  • a slot-like recess is preferably provided in a base wall of the housing base.
  • the actuating element is pivotable between a closed position and an open position and snaps against the restoring force of a return spring in the switch-on.
  • the housing has a housing base and a housing cap which can be placed thereon. At this are expediently at opposite Housing sides formed in the region of a passage opening for the actuating element two locking arms for fastening the housing in an installation opening.
  • a return device for returning the actuating element to an off position is provided on the actuating element.
  • the restoring device which returns the actuating element in the event of overcurrent release in its open position, is preferably designed as a spiral spring.
  • the appropriately designed as a rocker actuator can be performed manually both in the closed position and in the manner of a manual release in the off position.
  • An overcurrent release of the circuit breaker can be seen on the actuator located in the off position from outside the housing. At the switching position of the actuating element is particularly easy to see whether the hedged by the circuit breaker circuit is closed or interrupted.
  • the circuit breaker for each additional circuit from the housing outstanding contact terminals.
  • a contact spring is provided in each case for each further circuit, which is electrically conductively connected to the respective associated contact connection on the housing and held by the latter. With the second, the same circuit associated tab, the contact spring can be contacted in coverage.
  • the respective contact spring is acted against the spring force direction by means of the corresponding contact or slide arm of the slider. These are on slide in slide longitudinal direction in different planes, z. B. stage or directly superimposed contact arms provided, of which in each case a contact arm rests on one of the slider longitudinal direction arranged one above the other contact springs.
  • the integrally formed on the slide locking element in the form of a switching cam as a switching lock for locking the slide in the closed position (on-position) with closed circuit.
  • the switching cam also serves to shift the slider from the open position (off position) to the on position.
  • the switching cam moves along the switching edge placed immediately next to the corresponding locking element of the actuating element.
  • the slider is manually displaceable by means of the actuating element in the on and in the off position. Further, the slider serves as a contact switch for opening and closing the circuit.
  • the additional rotary function of the slide is used to unlock a locking in the on position locking or snap connection or a Rastgesperres in the event of overcurrent tripping.
  • the slide can be coupled with a bimetal.
  • This can be connected electrically between the first contact terminal and via the contact spring to the second contact terminal.
  • An adjusting unit arranged in the housing with a bending point allows a manual adjustment of the bimetal.
  • the bimetal preferably arranged transversely to the slide longitudinal direction in the housing or in the housing base has two longitudinal sections, of which a first longitudinal section is at least partially in register with the slide such that the bimetal unlatches the slide due to an overcurrent to the contact opening.
  • the unlatching element in the form of the wing-like spring lobe is expediently formed on the slide, which extends along the first longitudinal section of the bimetal.
  • the spring tab serves as an extended rotary lever and is acted upon as a result of bending out of the bimetal of this for rotation of the slider.
  • the circuit breaker has a comparatively small number of individual components. This allows a particularly simple production of the circuit breaker.
  • Fig. 1 shows a perspective view of a circuit breaker 1 with a housing 2, from which bottom or bottom side contact terminals 3 to 6 protrude.
  • a housing cap 2 'of the housing 2 has on the upper side a housing opening 7 in which an actuating element 8 designed as a rocker switch is mounted in a rotational or pivotable manner.
  • the actuator 8 allows the manner of a manual release both the manual switch on and a manual switch off the circuit breaker.
  • latching arms 9 are used for locking and thus for fixing the circuit breaker 1 in a mounting or mounting hole.
  • the housing 2 is closed at the bottom of the housing with a housing base 10, which has latching elements 11 which engage in the mounting of the circuit breaker 1 in the housing cap 2 'provided for recesses 12.
  • Fig. 2 shows a perspective view of the housing interior of the circuit breaker 1. All the individual components of the circuit breaker 1 are mounted on the housing base 10. Housing underside, the contact terminals 3 to 6 protrude from the housing base 10 and thus out of the circuit breaker housing 2.
  • the circuit breaker 1 is provided to secure two circuits.
  • a first circuit, the contact terminals 3 and 5 and the second circuit, the contact terminals 4 and 6 are assigned.
  • Housing inside the circuits on the respective contact terminals 3 to 6 associated contact springs 14 and 15 can be closed and interrupted.
  • the contact springs 14 and 15 are held at fixed ends 16 and 17, respectively. These opposing free ends 18,19 are in overlap with housing-side free or contact ends 20,21 of the contact terminals 3 and 4.
  • the contact spring 15 is electrically conductively connected at its fixed end 17 to the contact terminal 6 and held on this.
  • the contact spring 14 is held at the fixed end 16 by an intermediate piece 22 and is electrically conductively connected thereto and via a bimetal 23 coupled thereto with the contact connection 5.
  • the connectable to the contact terminals 3 and 5 circuit is heat protection monitored such that a current flowing through this and the contact terminal 5 in the circuit breaker 1 first through the bimetal 23, about this through the contact spring 14 and the contact terminal 3 from the circuit breaker 1 again flows out.
  • the connectable to the contact terminals 4 and 6 circuit is not heat protection monitored, as flowing through this flow through the contact terminal 6 into the circuit breaker 1 and directly through the contact spring 15 and via the contact terminal 4 from this circuit breaker 1 again flows out.
  • a slider 24 is provided, which is arranged in the housing base 10 between a closed position (on position) and a switch-off position (off position) displaceable. In the illustration according to Fig. 2 the slider 24 is in the off position. This can be seen at the open contacts 25 to 28 between the free ends 18,19 of the contact springs 14 and 15 and the free ends 20,21 of the contact terminals 3 and 4, respectively.
  • the slider 24 is on the one hand manually displaceable by actuating the actuating element 8 both in the on position and in the off position.
  • the slider 24 is on the other hand displaceable by an overcurrent trip in the off position.
  • this is heated with the result that the bimetal 23 bends.
  • Ausbiegens of the bimetal 23 which is in the on position locked slide 24 is released or unlatched from a snap or snap connection.
  • the displacement of the slider 24 in its off position is due to the restoring force of the leaf spring-like contact springs 14, 15 in the triggering or spring force 29th
  • Fig. 3 shows the circuit breaker 1 in exploded view.
  • the intermediate piece 22 is shown with a first angled retaining end 30 for the contact spring 14.
  • the intermediate piece 22 has a further, opposite the first holding end 30 approximately at right angles bent second holding end 31 for the bimetal 23.
  • the bimetal 23 is bent approximately U-shaped and comprises two comparatively long Bimetalibügeln 32a, 33a and two comparatively short bimetallic brackets 32b, 33b two spaced-apart extending bimetal legs 32, 33, which merge into one another at a Bimetallende 34 and are interconnected there ( Fig. 4 ).
  • the holding end 31 of the intermediate piece 22 is connected to the bimetal leg 33, while the bimetal leg 32 is connected to an angled or bent free end 35 of the contact terminal 5 ( Fig. 2 ).
  • an adjustment element 36 which is also referred to below as a support element, is shown, which is preferably made of plastic and is an injection-molded part executed housing base 10 is injected and thus secured thereto.
  • a spring tab 36a of the adjusting element 36 can be bent in the direction of the short bimetallic brackets 32b, 33b toward adjustment or adjustment of the bimetal 23.
  • the respective circuit is closable and interruptible.
  • the Fig.5 and 6 show a side view of the circuit breaker 1. It is in Fig. 5 the slider 24 is positioned in the off position, whereas the slider 24 in Fig. 6 moved to the on position.
  • the housing base 10 has a slide guide 37 with an upper stop 37a (FIG. Fig. 3 ) for the slider 24.
  • the slider guide 37 is formed as an in a back 38 of the housing base 10 incorporated slot-like recess or recess along a displacement direction 39 of the slider 24. This closed recess 37 is limited in the release direction 29 by the slide stop 37a.
  • the slider 24 engages with an integrally formed on this slider arm 40 in the recess 37 a.
  • the sliding in the recess 37 to the stop 37 a slide arm 40 of the slider 24 also serves as a pressure lever for acting on the contact spring 15.
  • the slider 24 has a further slide arm 41 which serves as a pressure lever for acting on the contact spring 14 and in the displacement direction 39 in particular offset to the slide arm 40 is integrally formed on the slide 24.
  • FIGS. 7 and 8 show in an enlarged section of the FIGS. 5 and 6 the latching connection 42 of the circuit breaker 1 in the unlocked or in the locked state of the slider 24 with the actuating element 8.
  • the latching connection 42 is formed by a molded on the slider 24 switching cam 43 as a first locking element and an integrally formed on the actuating element 8 locking lug 44 as a second locking element.
  • the actuating element 8 is pivotally mounted about a rotatably mounted on the housing base 10 bearing pin 45 in the switching-46.
  • a switching edge 47 arranged directly next to the latching nose 44 is integrally formed.
  • a return of the slider 24 from the on position to the off position due to an overcurrent trip is carried out by the bending of the bimetal 23 from the drawing plane according to the Figures 2 . 5 and 6 out with the result that the latching connection 42 is automatically unlocked.
  • a return spring 48 is additionally provided in the form of a coil spring between the actuator 8 and the housing base 10, the the actuator 8 automatically returns from a closed position to an open position.
  • the overcurrent release is visible or recognizable from outside the housing 2.
  • a spring tab 50 is provided on the actuating element 8. This moves during the return of the actuator 8 in its off position on a front side 51 of the slider 24 touching this along such that the rotated by the unlocking of the locking connection 42 counterclockwise slide 24 undergoes a reverse rotation in the neutral position.
  • an unlatching element 52 in the form of a wing is integrally formed thereon for the extension of a rotary lever for the rotation of the slide 24.
  • the bimetal 23 is preferably arranged transversely to the axis of rotation 49 of the slider 24 extending in the housing base 10.
  • the short bimetal bars 32b, 33b of the bimetal 23 held on the long bimetallic bars 32a, 33a are bent out in the opposite direction to the direction of their removal 53.
  • the short bimetal 32 b, 33 b are applied to the adjusting element 36 so that an additional force component in the direction of extension 53 of the bimetal 23 is generated as a result of their support on the adjusting element 36.
  • the long bimetallic brackets 32a, 33a of the bimetal which likewise extend in the direction of return 53, are thus supported by the short bimetallic brackets 32b, 33b, in that they are supported in the opposite direction on the adjusting element 36.
  • the bimetal 24 is arranged in the housing base 10 such that the short bimetallic brackets 32b, 33b facing away from the slider 24, while the long bimetallic brackets 32a, 33a facing the slider 24 and its wings 52.
  • the slider vane 52 is acted on by the first longitudinal portion L1 which is in register with the slider 24 and its vanes 52, and thus by the short bimetallic brackets 32b, 33b and partly by the long bimetallic brackets 32a, 33a.
  • the adjusting element 36 formed in the housing base 10 is placed on a side of the bimetal 23 facing away from the slider vane 52.
  • the arrangement of the adjusting element 36 is in Fig. 11 comparatively clearly recognizable.
  • Fig. 11 shows the slider 24 and the bimetal 24 in a side view.
  • the spring tabs 36a is bendable via a bending point 54 on the adjusting element 36 in and counter to the direction of repositioning 53 of the bimetal 24.
  • the adjusting element 36 with its spring tabs 36a serves to align the bimetal 24 in register with the wing 52 of the slider 24 and adjust such that the deflection of the bimetal 24 causes the rotation of the slider 24 and thus a reliable unlocking of the locking connection 42.
  • the spring tabs 36a is deflected or bent more or less around a bending point or bending edge 54 produced by a local material weakening of the adjusting element 36 in the direction of the short bimetallic brackets 32b, 33b of the bimetal 24 and thus in the direction of recession 53.

Landscapes

  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP10007784A 2005-03-12 2006-02-03 Disjoncteur pour assurer un circuit Not-in-force EP2246871B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10007784T PL2246871T3 (pl) 2005-03-12 2006-02-03 Wyłącznik ochronny dla zabezpieczenia obwodu prądowego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005004002 2005-03-12
DE200520004409 DE202005004409U1 (de) 2005-03-18 2005-03-18 Schutzschalter zur Absicherung eines Stromkreises
EP06706602A EP1859466B1 (fr) 2005-03-12 2006-02-03 Disjoncteur de protection pour la protection d'un circuit électrique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06706602.7 Division 2006-02-03

Publications (2)

Publication Number Publication Date
EP2246871A1 true EP2246871A1 (fr) 2010-11-03
EP2246871B1 EP2246871B1 (fr) 2011-10-26

Family

ID=36129659

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10007784A Not-in-force EP2246871B1 (fr) 2005-03-12 2006-02-03 Disjoncteur pour assurer un circuit
EP06706602A Not-in-force EP1859466B1 (fr) 2005-03-12 2006-02-03 Disjoncteur de protection pour la protection d'un circuit électrique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06706602A Not-in-force EP1859466B1 (fr) 2005-03-12 2006-02-03 Disjoncteur de protection pour la protection d'un circuit électrique

Country Status (8)

Country Link
US (1) US7312687B2 (fr)
EP (2) EP2246871B1 (fr)
KR (1) KR101007081B1 (fr)
CN (1) CN1993791B (fr)
AT (2) ATE532200T1 (fr)
CA (1) CA2573954C (fr)
PL (2) PL2246871T3 (fr)
WO (1) WO2006097164A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7525054B2 (en) * 2006-07-03 2009-04-28 Swann Industries Pte Ltd. Interlock door switch
TWM322054U (en) * 2007-05-18 2007-11-11 Tzan-Chi Chen Over-current protecting switch
US7755465B2 (en) * 2008-04-23 2010-07-13 Sun-Lite Sockets Industry Inc. Temperature control switch
KR200461084Y1 (ko) * 2010-08-25 2012-06-21 주식회사 케이원 코퍼레이션 바이메탈방식과 로커방식이 혼합된 스위치
CN102568928B (zh) * 2012-01-18 2015-03-18 钻宝电子有限公司 一种温度敏感控制器
WO2015120951A1 (fr) * 2014-02-13 2015-08-20 Ellenberger & Poensgen Gmbh Disjoncteur thermique de protection contre les surintensités
DE202015000933U1 (de) 2014-03-21 2015-04-20 Ellenberger & Poensgen Gmbh Schutzschalter zur Absicherung eines Stromkreises
US11189447B2 (en) * 2014-03-28 2021-11-30 Yaowu Hua Time switch of controllable time adjustment
CN105013611B (zh) * 2015-07-22 2017-06-20 宁波哲恺电器有限公司 一种静电式空气净化器的高压静电放电机构

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DE842082C (de) 1944-02-16 1952-06-23 Emile Andre Berthier Elektrischer Kleinselbstschalter
DE9422029U1 (de) 1993-03-17 1997-09-18 Ellenberger & Poensgen GmbH, 90518 Altdorf Mehrpoliger Schutzschalter
US6933455B1 (en) * 2004-04-28 2005-08-23 Tsung-Mou Yu Circuit breaker on a pushbutton switch

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US6788186B1 (en) * 2003-05-31 2004-09-07 Tsung-Mou Yu Activation mechanism for switch devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE842082C (de) 1944-02-16 1952-06-23 Emile Andre Berthier Elektrischer Kleinselbstschalter
DE9422029U1 (de) 1993-03-17 1997-09-18 Ellenberger & Poensgen GmbH, 90518 Altdorf Mehrpoliger Schutzschalter
US6933455B1 (en) * 2004-04-28 2005-08-23 Tsung-Mou Yu Circuit breaker on a pushbutton switch

Also Published As

Publication number Publication date
ATE531065T1 (de) 2011-11-15
EP1859466B1 (fr) 2011-11-02
EP1859466A1 (fr) 2007-11-28
CA2573954A1 (fr) 2006-09-21
ATE532200T1 (de) 2011-11-15
WO2006097164A1 (fr) 2006-09-21
KR20070118579A (ko) 2007-12-17
PL2246871T3 (pl) 2012-03-30
CN1993791B (zh) 2010-06-09
PL1859466T3 (pl) 2012-03-30
CN1993791A (zh) 2007-07-04
KR101007081B1 (ko) 2011-01-11
US7312687B2 (en) 2007-12-25
EP2246871B1 (fr) 2011-10-26
US20070170047A1 (en) 2007-07-26
CA2573954C (fr) 2011-11-01

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