EP0145946A1 - Disjoncteur de protection de ligne - Google Patents

Disjoncteur de protection de ligne Download PDF

Info

Publication number
EP0145946A1
EP0145946A1 EP84113575A EP84113575A EP0145946A1 EP 0145946 A1 EP0145946 A1 EP 0145946A1 EP 84113575 A EP84113575 A EP 84113575A EP 84113575 A EP84113575 A EP 84113575A EP 0145946 A1 EP0145946 A1 EP 0145946A1
Authority
EP
European Patent Office
Prior art keywords
slide
switching device
lever
rotating part
switch
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
EP84113575A
Other languages
German (de)
English (en)
Other versions
EP0145946B1 (fr
Inventor
Rolf Goehle
Volker Schmitt
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri AG Germany
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Priority to AT84113575T priority Critical patent/ATE24067T1/de
Publication of EP0145946A1 publication Critical patent/EP0145946A1/fr
Application granted granted Critical
Publication of EP0145946B1 publication Critical patent/EP0145946B1/fr
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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes

Definitions

  • the invention relates to an electrical switching device according to the preamble of claim 1. It relates in particular to a lock against unintentional switching on of a switching device, which can only be operated by means of a tool, and the arrangement of a switch position indicator.
  • a switch lock has become known, in which a cam is formed on the test button of a residual current circuit breaker, which engages in the switching mechanism after the test button has been pressed in and rotated and thereby prevents the switching mechanism from latching, the test button in this position can be locked.
  • a switch position indicator is not created with this arrangement. Rather, the lock is only provided in connection with a test button on a residual current circuit breaker.
  • a switch position indicator has become known in which an L-shaped lever in his Knee point is rotatably supported, wherein one leg of the L-shaped lever is in engagement with the movable contact piece, whereas at the end of the other leg an arcuate section is formed, on which two sections with different colors are divided; this arcuate section moves behind a viewing window, so that depending on the appearance of one or the other color, an indication for the "on" position or for the "off” position is given.
  • the L-shaped lever has an extension which interacts with a ratchet lever to form a switch-on lock.
  • the switch-on lock according to DE-AS 10 59 094 cannot be influenced from outside.
  • a similar arrangement has become known from DE-GM 17 71 109. Instead of an L-shaped lever, an elongated lever is provided which interacts with the movable contact piece and in this way gives a switch position indicator. A power-on lock is not described in the utility model.
  • a similar arrangement has become known from DE-GM 18 59 268. In this switch position indicator, the indicator lever is attached to the contact piece, so that it forms an extension of the contact piece up to a viewing window.
  • a utility lock that can be operated manually from the outside is not described by the utility model.
  • the object of the invention is to provide a circuit breaker of the type mentioned, in which the switch position indicator is combined with the switch-on lock.
  • both a switch-on lock which can be actuated manually from the outside and a switch position indicator are achieved by means of a component forming a unit.
  • the first slide which acts together with the release lever and on which the rotating part acts, serves as a release lock.
  • the second slide which cooperates with the contact lever in accordance with the characterizing part of claim 7, is moved by the latter from a first position, in which it is not, into a second position, in which it is very clearly visible; in this position he sits below a window opening or, according to the invention, below the rotating part, which according to claim 9 is clearly transparent.
  • the second slide indicates that the switching device is switched off, the contact pieces are separated, so that work can be carried out in the network behind the switch. If the isolating distance then complies with the regulations, that is to say is large enough, then the switching device designed according to the invention can be regarded as an isolating switch, that is to say as a switching device with isolating function.
  • the rotating part together with the first slide serves as a lockout.
  • the switch-on lock can be actuated from the outside, in such a way that in a first position of the rotary part the switch-on lock is ineffective and in a second position, because then the cam engages in the path of the first slide, causing the first slide to move and thus a release movement of the release lever is hindered.
  • the mounting of the rotating part can be seen from the subclaims 3 and 4. So that unauthorized persons cannot remove the switch-on lock, a profile is formed on the rotating part in accordance with the characterizing feature of claim 5, which profile can only be adjusted by means of an externally attachable tool.
  • the profile is preferably a slot into which a screwdriver can be inserted.
  • the switch position indicator is no longer designed to be rotatable about an axis, but can be displaced in the guide part in accordance with the characterizing feature of claim 7.
  • the arrangement according to the invention is accommodated in a housing 10 of a circuit breaker, of which only individual parts forming or tangent to the invention are shown. Otherwise, the circuit breaker according to FIG. 1 is supplemented in the usual way by a thermal release, further parts of the key switch as well as a magnetic release in addition to an arc quenching plate package.
  • a movable contact lever 11 is rotatably supported by means of an axis 12, at one end of which the movable contact piece 13 is attached, which interacts with a fixed contact piece 14.
  • the contact lever 11 has an extension 15, with which it is rotatably coupled to a connecting bracket 16 which is articulated at its other end via a wire bracket 17 with a switch toggle 19 pivotally mounted about a fixed axis 18.
  • the switching lock described above which includes the contact lever 11, the connecting strap 16, the wire bracket 17, the switching knob 19, a ratchet lever 40 and a release lever 27 is mounted between two boards 41 and 42.
  • the housing 10 of the circuit breaker consists of two housing shells 22 and 23, between which a guide part 20 is received and mounted in a stationary manner. How the guide part 20 is mounted is of little importance for the invention; Appropriately, grooves or recesses are provided on the housing parts 22 and 23, into which the formations 20a and 20b, 20e and 20d engage.
  • a first slide 26 is guided in a groove (without reference numbers) in the direction of the pivoting movement of the switching knob 19, which projects beyond the guide part 20 to the right and interacts with a release lever 27, which is also mounted on the axis 18 .
  • An upwardly projecting nose 25 is formed on the first slide 26 and is concealed in FIG. 1.
  • the circuit breaker includes a rotating part 21, which has an eccentrically formed cam 24 which, as can be seen from FIG. 1, engages in the range of motion of the nose 25 on the slide 26.
  • the rotating part 21 has two flange-like collars 28 and 29 arranged at a distance from one another, between which engages an annular projection 30 which is formed on the two housing parts 22 and 23 on two recesses (22a / 23a) pointing radially inwards; the two housing parts 22 and 23 thus delimit a circular receiving space 31 for guiding the rotating part 21.
  • the rotating part 21 has a slot 32, so that the rotating part 21 can be rotated in the direction of arrow P.
  • the rotating part 21 is made of a clear material.
  • a second slide 33 is slidably guided on the guide part 20 in a groove, also not shown, which has a plate-shaped upper part 34 and a pin 35 attached or molded vertically thereon.
  • the pin 35 is simultaneously guided in a slot 36 in the guide part 20.
  • Fig. 3 shows the switching device in its off position.
  • the movable contact lever 11 has been pivoted clockwise about the axis of rotation 12;
  • the pin 35, and with it the upper part 34, has been displaced to the right under the clearly transparent rotating part 21 via an angular extension 37.
  • the second slide 33 has thus become visible. This indicates that the switch is in the off position.
  • the switching knob 19 is rotated in the direction of arrow F, whereby the contact lever 11 moves counterclockwise into the switched-on position and the pin 35 and thus the slide 33 moves into the position in which it is no longer visible and which shows the switch-on position.
  • the rotating part has been rotated in the direction of arrow P such that the slot 32 running in the direction of the joint of the two housing parts 22/23 has been inclined.
  • the cam 24 has been shifted to the right, whereby it comes to rest directly on the nose 25 of the slide 26 and takes it with it when it is turned further to the right.
  • the first slide 26, which abuts the release lever 27 with its right, free end, is held by the cam 24 and, due to the position of the cam 24, can no longer be moved to the left; the rotating part thus holds the slide and the slide 26 holds the release pawl or release lever 27 in the released position, and pivoting of the switching knob 19 in the switch-on direction is no longer possible.
  • the rotating part 21 is then pivoted again to the left, that is to say counterclockwise; this gives the first slide 26 its freedom of movement again.
  • Fig. 1 it can be seen that the protrusions 20c and 20d (only the protrusion 20d is visible) protrudes approximately upwards in the area in front of the guide part 20 which lies between the two flanges 28 and 29.
  • the bead-like region shown in FIG. 1, to which the reference line 20d points, is the lateral formation 20d, which engages in a housing groove (not shown) on the housing parts 22 and 23. Their width coincidentally corresponds to the diameter of the recess 31.
  • the formations 20a and 20b lie in a plane other than the two formations 20c and 20d; the formations 20a and 20b lie approximately in the area in which the plate 34 is located.
  • the guide part here has the reference number 50, but essentially corresponds in its function to the guide part 20.
  • the guide part 50 While the guide part 20 is guided in the housing, the guide part 50 (see FIGS. 5 and ff.) Is held on the circuit boards 41 of the key switch.
  • the guide part 50 has a plate-shaped basic structure 51, at one end of which fork-like fastening hooks 52 and 53 are attached.
  • These fastening hooks are arranged at a distance from one another and, as can be seen from FIG. 10, comprise two L-shaped hooks 54 and 55 shown in FIG. 11, which are integrally formed on the boards 41 and 42 and with their free leg ends 56 and 57 assign to each other. So that the fastening hooks do not slip off the leg ends 56 and 57, they have barb-like projections 60 and 61 at the ends of the fork prongs 58 and 59.
  • a first extension 65 and two further extensions 66 and 67 are located on the opposite edge of part 51, the first extension 65 clearly projecting beyond the two further extensions. Between the individual extensions 65 to 67 slots 68 and 69 are provided, the function of which is explained below.
  • a display slide 70 is guided on the plate-shaped component or guide part 50 and has an elongated, has a rectangular contour and in its rear area has a C-shaped profile 71 which, as can be seen from FIG. 7, completely surrounds the extension 65.
  • an extension 71a is provided on one side of the indicator slide, on the free end of which a pin 72 is formed, the extension 71a together with the pin 72 corresponding to the pin 35 in the embodiment according to FIG. 1.
  • the extension 71a together with the pin 72 engages in the path of movement of the movable contact lever 11 (see FIG.
  • a locking slide 73 is formed on the guide part 50.
  • This locking slide has an approximately rectangular web 74, on which two projections or strips 75 and 76, which are arranged at a distance from one another, are formed, pointing forward.
  • the bar 75 is in the assembled state on one side of the hook 53, whereas the bar 76 on the other side of the hook 53 projects downward and forward from the web 74.
  • At the end of the web 74 opposite the projection 75 there is a T-shaped extension 77 which is guided in the recess or the slot 69 and can be pushed back and forth there.
  • the extension 77 includes with the extension 76 the third projection 67 on the guide part 50.
  • the free end of the bar 75 has a nose 78 which corresponds to the nose 25 of the slide 26 and cooperates with the cam 24 of the rotating part 21.
  • the free end the bar 76 then interacts with the release lever 27 (see FIG. 1) in the same way as the locking slide 26: when the locking slide is in the extreme right position (in FIG. 5 or analogously in the arrangement according to FIG. 1) ) is located, then the slide 76 locks the release lever 27 or holds it in the released position, which is caused by the fact that the rotating part 21 is rotated in the direction of the arrow P.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Breakers (AREA)
EP84113575A 1983-11-24 1984-11-10 Disjoncteur de protection de ligne Expired EP0145946B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113575T ATE24067T1 (de) 1983-11-24 1984-11-10 Leitungsschutzschalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833342468 DE3342468A1 (de) 1983-11-24 1983-11-24 Elektrisches schaltgeraet
DE3342468 1983-11-24

Publications (2)

Publication Number Publication Date
EP0145946A1 true EP0145946A1 (fr) 1985-06-26
EP0145946B1 EP0145946B1 (fr) 1986-12-03

Family

ID=6215131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113575A Expired EP0145946B1 (fr) 1983-11-24 1984-11-10 Disjoncteur de protection de ligne

Country Status (3)

Country Link
EP (1) EP0145946B1 (fr)
AT (1) ATE24067T1 (fr)
DE (2) DE3342468A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100695635B1 (ko) 1998-10-30 2007-03-15 쉬나이더 일렉트릭 인더스트리스 에스에이 3개의 위치를 갖는 기계적 가시화 수단을 구비하는 스위치기어 장치
WO2011131281A1 (fr) * 2010-04-20 2011-10-27 Abb Ag Appareil de commutation d'installation électrique pourvu d'un indicateur de position de commutation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19735415A1 (de) * 1997-08-14 1999-02-18 Siemens Ag Schaltmechanismus für einen Schutzschalter
DE102008049195A1 (de) * 2008-09-26 2010-06-02 Siemens Aktiengesellschaft Wellendichtung für eine Dampfturbine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB690495A (en) * 1950-06-15 1953-04-22 Bernard Andre Vuille Improvements in indicating devices for remotely controlled electrical apparatus
US2685011A (en) * 1948-06-10 1954-07-27 Wadsworth Electric Mfg Co Electric circuit breaker
DE1059094B (de) * 1957-10-04 1959-06-11 Voigt & Haeffner Ag Mehrpoliger Selbstschalter, insbesondere Installations-Selbstschalter
CH415809A (fr) * 1966-01-13 1966-06-30 Gardy Particip App Disjoncteur à surintensité et à action différentielle
US3852694A (en) * 1973-12-26 1974-12-03 Ite Imperial Corp Overload relay with fast acting bimetal on high current
FR2301912A1 (fr) * 1975-02-21 1976-09-17 Bbc Brown Boveri & Cie Disjoncteur de courant de fuite a mecanisme de commutation et a bouton-poussoir de controle
EP0062369A2 (fr) * 1981-04-02 1982-10-13 SACE S.p.A. Costruzioni Elettromeccaniche Interrupteur électrique, plus particulièrement limiteur de courant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE420863A (fr) * 1936-04-02
DE1771109U (de) * 1958-04-10 1958-07-31 Stotz Kontakt Gmbh Installationsselbstschalter mit anzeigevorrichtung.
FR1446225A (fr) * 1965-09-06 1966-07-15 Gardy Particip App Disjoncteur à surintensité et à action différentielle
GB1251718A (fr) * 1968-03-15 1971-10-27
CH517367A (de) * 1970-04-02 1971-12-31 Bbc Brown Boveri & Cie Betätigungsknopf mit Signalteil und Verwendung desselben
DE7033859U (de) * 1970-09-11 1971-01-21 Bbc Brown Boveri & Cie Installationsselbstschalter mit kontaktstellungsanzeige.
US3657672A (en) * 1970-09-24 1972-04-18 Westinghouse Electric Corp Circuit breaker with manual trip structure
US3826951A (en) * 1973-01-30 1974-07-30 Westinghouse Electric Corp Circuit breaker with replaceable rating adjuster and interlock means
DE8115676U1 (de) * 1981-05-26 1982-02-11 Meinersen, Holger, 2800 Bremen Schieber mit Kontaktsatz am Sicherungskasten zur Abdeckung des Kipphebels am Sicherungselement zur blinkenden Anzeige der von Hand ausgeschalteten Sicherungselemente, einschließlich eines blinkenden Leuchtfeldes mit der Beschriftung "NICHT EINSCHALTEN"

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685011A (en) * 1948-06-10 1954-07-27 Wadsworth Electric Mfg Co Electric circuit breaker
GB690495A (en) * 1950-06-15 1953-04-22 Bernard Andre Vuille Improvements in indicating devices for remotely controlled electrical apparatus
DE1059094B (de) * 1957-10-04 1959-06-11 Voigt & Haeffner Ag Mehrpoliger Selbstschalter, insbesondere Installations-Selbstschalter
CH415809A (fr) * 1966-01-13 1966-06-30 Gardy Particip App Disjoncteur à surintensité et à action différentielle
US3852694A (en) * 1973-12-26 1974-12-03 Ite Imperial Corp Overload relay with fast acting bimetal on high current
FR2301912A1 (fr) * 1975-02-21 1976-09-17 Bbc Brown Boveri & Cie Disjoncteur de courant de fuite a mecanisme de commutation et a bouton-poussoir de controle
EP0062369A2 (fr) * 1981-04-02 1982-10-13 SACE S.p.A. Costruzioni Elettromeccaniche Interrupteur électrique, plus particulièrement limiteur de courant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100695635B1 (ko) 1998-10-30 2007-03-15 쉬나이더 일렉트릭 인더스트리스 에스에이 3개의 위치를 갖는 기계적 가시화 수단을 구비하는 스위치기어 장치
WO2011131281A1 (fr) * 2010-04-20 2011-10-27 Abb Ag Appareil de commutation d'installation électrique pourvu d'un indicateur de position de commutation

Also Published As

Publication number Publication date
EP0145946B1 (fr) 1986-12-03
DE3342468A1 (de) 1985-06-05
ATE24067T1 (de) 1986-12-15
DE3461576D1 (en) 1987-01-15

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