EP1141987B1 - Disjoncteur de protection de circuits electriques de vehicules routiers - Google Patents

Disjoncteur de protection de circuits electriques de vehicules routiers Download PDF

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Publication number
EP1141987B1
EP1141987B1 EP99968780A EP99968780A EP1141987B1 EP 1141987 B1 EP1141987 B1 EP 1141987B1 EP 99968780 A EP99968780 A EP 99968780A EP 99968780 A EP99968780 A EP 99968780A EP 1141987 B1 EP1141987 B1 EP 1141987B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
housing
manual release
contact
breaker according
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 - Lifetime
Application number
EP99968780A
Other languages
German (de)
English (en)
Other versions
EP1141987A1 (fr
Inventor
Wolfgang Ullermann
Ludwig Seiverth
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
Application filed by Ellenberger and Poensgen GmbH filed Critical Ellenberger and Poensgen GmbH
Publication of EP1141987A1 publication Critical patent/EP1141987A1/fr
Application granted granted Critical
Publication of EP1141987B1 publication Critical patent/EP1141987B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • H01H9/32—Insulating body insertable between contacts
    • 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
    • H01H73/303—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 with an insulating body insertable between the contacts when released by a bimetal element
    • 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
    • H01H71/08—Terminals; Connections
    • H01H2071/088—Terminals for switching devices which make the devices interchangeable, e.g. with fuses
    • 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 a circuit breaker for protecting circuits in road vehicles with the features listed in the preamble of claim 1 (EP 0 151 692 B1; DE 35 26 785 C1).
  • Such circuit breakers are intended to replace conventional ones Fuses according to DIN 72581-3 in worldwide with flat fuse bases equipped motor vehicles are used.
  • the invention is based, with a circuit breaker of the aforementioned object Kind in a simpler manner, a principle already known from DE-A-1099624 Possibility to create the circuit protected by the auto switch can also be interrupted arbitrarily without overcurrent tripping.
  • a principle already known from DE-A-1099624 Possibility to create the circuit protected by the auto switch can also be interrupted arbitrarily without overcurrent tripping.
  • Protection of the electrical circuits of motor vehicles is a requirement if e.g. with a longer one
  • the battery is drained by leakage currents should be effectively prevented. That is, for example, after a final test of the Vehicle until delivery to the customer. In between often long-term transport or storage times. This object is achieved by claim 1 solved.
  • the solution is particularly due to the miniaturized dimensions of the Circuit breaker matched predetermined conditions.
  • the hand release designed as a two-armed swivel lever the trigger arm in the rest position is positioned on the contact side of the bimetal spring washer. In contact position the bimetal spring washer, the trigger arm does not touch the bimetal. Rather, it is held without contact in this starting and rest position. That will be through one Spring pressure causes that of the bearing axis of the hand release on its lower Leg is exercised as a swivel drive.
  • a circuit breaker of the type according to the invention is a mass article.
  • the hand release is light and safe, even in the notoriously cramped Ambient conditions of many circuit breakers arranged side by side operable. Whether his triggering movement caused the desired contact separation is in the embodiment with an additional slide valve according to claim 2 unmistakably recognizable by the fact that after a manual release the Isolating slide with its pressure end protruding from the switch housing.
  • the from Actuating arm of the hand release protruding from the housing prevents traceability of the slide valve by pressurizing its print end just as little like the automatic snap-in contact that is then possible when the bimetal has cooled or reclosing the circuit breaker. Therefore, the subject of the invention simply with the construction of the above mentioned remaining unchanged Realize the state of the art.
  • the base part made of insulating material is 1 sprayed around the two parallel flat tabs 2, 3. Thereby the housing-fixed fixation of the tabs 2.3 is accomplished.
  • the flat plug 2,3 stand with their plug ends outwards from the base part 1. Your Ends 4,5 inside the housing are in the interior of the circuit breaker into it.
  • the tabs 3, 4 run correspondingly over their entire longitudinal extent the specification of DIN standard 72581-3 regarding known fuses effective flat fuse links.
  • the tabs 3, 4 run essentially parallel to the housing cover surfaces 6, 7 on the base part 1 in the longitudinal direction 9 slide-on housing cap 8. In the slide-on or mounting position Housing cap 8 snap-fitted to the base part 1.
  • the fixing opening 10 snaps in of the housing cover surface 6 on the fixing tooth 11 of the base part 1.
  • the tabs 2,3 have the cross-sectional shape of a flat over their entire length Rectangle.
  • the bimetallic snap disk 12 fixed with its fixing end 13 to the fixing point 14, e.g. welded.
  • the bimetallic snap disk 12 protrudes with its end of movement 15 as Contact end in an overlap position with the inner end 5 of the other Flat connector 3 off.
  • This inner end 5 carries on its top the stationary Mating contact 16 for that on the underside of the movement end 15 of the bimetal spring washer 12 fixed movement contact 17.
  • FIGS. 2 and 5 The current path between the two tabs 2 and 3 is thus closed.
  • This The closed position is shown in FIGS. 2 and 5.
  • In this closed position there is a Isolating slide 18 on the flank of the movement contact facing the base part 1 17 on. It is opposed by the tensioned compression spring 19 in the longitudinal direction 9 Pressure direction pushed against this edge of the movement contact 17.
  • the Compression spring 19 is supported with its rear end 20 on the base 1.
  • the Support surface 21 of the base carries a centering pin 22 for securing the position as Coil spring trained compression spring 20 within the switch housing.
  • the separating slide 18 forms one leg of a right-angled in plan view (Fig. 1) Formed, the other, protruding against the longitudinal direction 9 leg 23 carries the printing end 24 of the separating slide 18, which is in the contacting position of the contacts 16, 17 (Fig. 2.5) and with a correspondingly compressed compression spring 19 within the housing cap 8 between the inner ends 4, 5 of the flat plugs 2,3 lies and parallel to the inner ends 4,5 positioned on both sides the flat plug 2,3 is aligned.
  • the compression spring 19 always exerts still a permanent pressure against the longitudinal direction 9 on the separating slide 18 out.
  • Longitudinal displacement of the separating slide 18 is like on a rail on the surface the exposed in the housing inner end 5 of the tab 3.
  • a track groove Guide recess 27 (Fig. 1) is provided.
  • the printing end 24 is located of the pressure leg 23 of the slide valve 18 through the opening 28 of the housing cap 8 to the outside and thereby signals the completed contact opening.
  • This external signaling can be caused by a different color of the housing contrasting signal color of the print end 24 can be ensured or improved.
  • the bimetallic spring washer 12 is optionally available from its contacting position (Fig. 2.5) levering hand release 29 available.
  • This is a two-armed Lever formed, which facing away from the tabs 2,3 Flat side 30 of the housing cap 8 protrudes with sesinem actuating end.
  • the Hand release 29 is next to the leg 23 or the print end 24 of the Isolating slide 18 on the inner end 5 of the tab 3 Positioned side and extends with its longitudinal direction 9 parallel to the leg 23.
  • the manual release 29 acts on the contact end 15 of the bimetallic spring washer to open the contact 12 from the contact side carrying the movement contact 17 in the contact opening direction 25.
  • This action is effected by the trigger arm 31 of the hand release 29, which is designed as a two-armed swivel lever, for this purpose in the release direction 25 pivoted up around the bearing shaft 32 which is integral with the housing cap 8 becomes.
  • the other arm namely the actuating arm, projects outward beyond the bearing axis 32 33 of the manual release 29.
  • the actuating arm 33 lies over its entire Length outside the housing cap 8.
  • the bearing axis 32 is outside of the housing opening 36 through which the hand release 29 into the housing interior into stands.
  • the hand release 29 is a one-piece, approximately U-shaped insulating material part, which includes the bearing axis 32 with its two U-legs.
  • the one, namely in the figures lower U-leg is extended by the actuating arm 33 and trigger arm 31 attached to it and protruding into the interior of the housing educated.
  • the bearing axis 32 of the manual release 29 is approximately parallel to the bimetal spring washer 12 and aligned with the housing cover surfaces 6.7. It runs vertically to the drawing levels of Fig. 2-7.
  • the U-leg of the hand release 29 positioned above the bearing axis 32 is as Fixing leg 37 with one behind the bearing axis 32, in the direction of the Trigger leg 31 projecting retaining lug 38 provided.
  • the fixing leg 37 carries on its top a protruding and thereby the insertion length of the manual release 29 with respect to the housing opening 36 limiting housing stop 39, its stop position on the housing top surface 6 can be seen from FIGS. 2.5.
  • the lower U-leg namely the trigger arm 31 of the manual trigger 29 is approximately in Middle region of its longitudinal extent to form the bearing shell 41 on its inner flank hollowed out.
  • the hand release 29 is by a movable snap connection to the bearing axis 32 snapped on.
  • it includes with its two U-legs as an integrated one Snapper and / or as counter surfaces interacting with the snapper Bearing axis 32 resilient.
  • the bearing axis has one when the trigger is pivoted 42 of the hand release 29 whose U-leg elastically spreading cross-sectional shape in such a way that the elastic spring pressure stored by the expansion as the manual trigger 29 automatically in its initial pivot position the trigger pivoting 42 returning return pressure is effective.
  • This Cross-sectional shape is characterized by a certain asymmetry. This asymmetry is that the U-legs 31,37 in the release pivot position (Fig.
  • the U-shape and the resilient consistency of the hand release 29 have in common with the one deviating from a circle and more like an ellipse Cross-sectional shape of the bearing axis 32 a number of advantages. Independent of The cross-sectional shape of the bearing axis 32 is the simple snap assembly of the hand release 29 on the bearing shaft 32 in a captive bracket ensuring it Wise.
  • the hand release 29 is simply from the outside in the housing opening 36 inserted U-leg ends pushed on and snapped on.
  • the postponement or rest position is shown in Figs. 5,7.
  • the trigger arm is 31 of the manual release 29 below the bimetal 12.
  • the manual release 29 turns clockwise pivoted about the bearing axis 32, the trigger end 31 is raised.
  • FIG. 8 shows a modified embodiment of the manual release 29.
  • the modification relates to the arrangement of a over the head surface 45 of the crosshead 40 of the manual trigger 29 actuating spur projecting outwards 46.
  • the actuating spur 46 is opposite in the longitudinal extension of the trigger arm 31 Direction outwards and is positioned approximately where the longitudinal directions of Cut crosshead 40 and release arm 31 or actuating arm 33. Is essential the bearing axis 32 with respect to both the horizontal and the vertical Fig. 8 off-center arrangement such that almost each on the actuating spur exerted pressure regardless of the direction of pressure Force component generated in a pivotal movement triggering the circuit breaker of the manual release 29 is implemented.
  • the pivot direction 47 or that of it resulting torque is indicated by the directional arrow 47. In the in the same way lead to such a torque effect loading directions 48, 49 are also indicated by arrows.
  • the manual release 29 is in a similar to the security colors DIN 72581-3 selected, clearly contrasting to the housing color, which also facilitates safe selection and manual operation in a row arrangement.

Landscapes

  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Road Signs Or Road Markings (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Claims (14)

  1. Disjoncteur de protection de circuits électriques de véhicules routiers, équipé d'un boítier isolant en forme de parallélépipède plat en vue de la disposition peu encombrante et celui-ci équipé de deux surfaces de recouvrement sensiblement parallèles mutuellement (6, 7),
    à partir d'une paroi latérale de boítier avec son plan plat dépassent parallèlement aux deux surfaces de recouvrement de boítier (6, 7) des fiches plates (2, 3) alignées pour le contact avec un porte-fusible plat,
    la paroi latérale de boítier traversée par les fiches plates (2, 3) est formée par une douille (1) portant les fiches plates (2, 3), tandis que les autres parois de boítier sont des parties d'une coiffe de boítier (8) glissées sur la douille (1), en particulier encliquetées avec celle-ci, entourant les parties fonctionnelles du disjoncteur et
    les fiches plates (2, 3) pénétrant avec leurs extrémités côté boítier juxtaposées dans l'espace interne du boítier et sont réunies par un ressort bimétallique (12) fixé à une fiche plate (2), ouvrant le contact lors d'une surintensité,
    caractérisé,
    en ce que la coiffe de boítier (8) présente en son fond (30) en vis-à-vis de la douille (1) en position de montage, une ouverture de traversée (36) pour un déclencheur manuel (29) soulevant le ressort bimétallique (12) hors de sa position de contact,
    en ce que l'ouverture de traversée contient un axe de palier (32) pour le déclencheur manuel (29) s'étendant parallèlement au plan d'étendue du ressort bimétallique (12) aligné et faisant corps avec la coiffe de boítier (8) et
    en ce que le déclencheur manuel (29) est encliqueté de l'extérieur sur l'axe de palier (32), en ce qu'il saisit par-dessous en position d'encliquetage à la manière d'un levier à deux bras d'une part le ressort bimétallique (12) avec un bras de déclenchement (31) pénétrant dans l'espace interne du disjoncteur en vue de la sollicitation sélective de celui-ci dans la direction d'ouverture de contact et d'autre part avec une extrémité de manoeuvre (33) débordant vers l'extérieur au-delà de la paroi latérale de boítier (30) formée par le fond de la coiffe de boítier (8).
  2. Disjoncteur de protection selon la revendication 1, caractérisé par une coulisse de séparation (18) disposée dans l'espace interne du boítier, pénétrant lors de l'ouverture de contact par suite de la pression de ressort entre les contacts (16, 17) et séparant ceux-ci l'un de l'autre, qui peut être repoussée à l'encontre de la pression de ressort de sa position de séparation entre les contacts (16, 17) par l'intermédiaire d'une extrémité de poussée (24) débordant de l'ouverture de traversée de boítier (36) pour le déclencheur manuel (29) hors du même côté de boítier (30) que le déclencheur manuel (29).
  3. Disjoncteur de sécurité selon la revendication 1 ou 2, caractérisé en ce que le déclencheur manuel (29) est un élément isolant d'une seule pièce, sensiblement en forme de U, qui entoure à verrouillage par conformation et par ressort avec ses deux branches de U l'axe de palier (32) et dont la branche du U saisissant le ressort bimétallique forme le bras de déclenchement (31).
  4. Disjoncteur de protection selon la revendication 3, caractérisé en ce que l'autre branche du U ne formant pas l'arbre de déclenchement (31) du déclencheur manuel (29) est munie en tant que branche de fixation (37) d'un bec de retenue (38) saisissant par derrière en position de montage l'axe de palier (32), faisant saillie en direction de la branche de déclenchement (31).
  5. Disjoncteur de protection selon la revendication 4, caractérisé par une butée de boítier (39) s'étendant vers l'extérieur depuis la branche de fixation (37), limitant la longueur de course du déclencheur manuel (29) dans le boítier.
  6. Disjoncteur de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que la traverse (40) de la forme de U forme l'extrémité de manoeuvre extérieure du bras de manoeuvre (33) du déclencheur manuel (29).
  7. Disjoncteur de protection selon la revendication 6, caractérisé en ce que la branche du U (36, 37) formant le bras de déclenchement du déclencheur manuel (29) est évidée approximativement dans la zone médiane de son étendue longitudinale sur son côté intérieur en vue de la formation d'une portée (41) pour l'axe de palier (32).
  8. Disjoncteur de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que le déclencheur manuel (29) entoure en sollicitant légèrement élastiquement avec ses deux branches de U (31, 37) en tant qu'accouplement à déclic intégré l'axe de palier (32).
  9. Disjoncteur de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'axe de palier (32) présente une forme en coupe s'écartant élastiquement lors du pivotement de déclenchement (42) du déclencheur manuel (29) des branches du U de celui-ci de telle sorte que la pression de ressort élastique emmagasinée par l'écartement agit automatiquement en tant que déclencheur manuel (29) dans sa pression de rappel dans sa position de pivotement initiale.
  10. Disjoncteur de protection selon la revendication 9, caractérisé en ce que les branches du U (31, 37) dans la dimension en coupe de l'axe de palier (32) de sollicitation dans la position de pivotement de déclenchement (Figures 3, 6) est supérieure à la dimension en coupe alimentant les branches du U (31, 37) en position de repos (Figures 2, 4, 5, 7, 8) du déclencheur manuel (29).
  11. Disjoncteur de protection selon la revendication 9 ou 10, caractérisé en ce que le déclencheur manuel (29) est une pièce injectée en matière plastique.
  12. Disjoncteur de protection selon une ou plusieurs de revendications précédentes, caractérisé en ce que le déclencheur manuel (29) porte sur son côté extérieur une béquille de manoeuvre en saillie (46), qui est disposée vis-à-vis de l'axe de palier (32) de façon excentrique approximativement à proximité de la rencontre des directions gauche du bras de déclenchement (31) ou du bras de manoeuvre (33) d'une part et de la traverse (40) d'autre part.
  13. Disjoncteur de protection selon la revendication 12, caractérisé en ce que la béquille de manoeuvre (46) s'éloigne dans les directions longitudinales du bras de déclenchement (31) ou dans la direction opposée du bras de manoeuvre (33) de la traverse (40).
  14. Disjoncteur de protection selon une ou plusieurs des revendications précédentes, caractérisé par un coloris contrastant avec la couleur du boítier du déclencheur manuel (29) en particulier analogue aux couleurs de fusibles selon la norme DIN 72581-3 correspondant aux différentes intensités du circuit respectif à protéger.
EP99968780A 1998-12-09 1999-11-05 Disjoncteur de protection de circuits electriques de vehicules routiers Expired - Lifetime EP1141987B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19856707A DE19856707A1 (de) 1998-12-09 1998-12-09 Schutzschalter zur Absicherung von Stromkreisen
DE19856707 1998-12-09
PCT/EP1999/008501 WO2000034971A1 (fr) 1998-12-09 1999-11-05 Disjoncteur de protection de circuits electriques de vehicules routiers

Publications (2)

Publication Number Publication Date
EP1141987A1 EP1141987A1 (fr) 2001-10-10
EP1141987B1 true EP1141987B1 (fr) 2002-10-16

Family

ID=7890453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99968780A Expired - Lifetime EP1141987B1 (fr) 1998-12-09 1999-11-05 Disjoncteur de protection de circuits electriques de vehicules routiers

Country Status (8)

Country Link
US (1) US6590489B1 (fr)
EP (1) EP1141987B1 (fr)
JP (1) JP4205862B2 (fr)
KR (1) KR100532791B1 (fr)
CN (1) CN1184660C (fr)
AT (1) ATE226357T1 (fr)
DE (2) DE19856707A1 (fr)
WO (1) WO2000034971A1 (fr)

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DE102018100890B3 (de) * 2018-01-16 2019-07-18 Marcel P. HOFSAESS Temperaturabhängiger Schalter
WO2019142212A1 (fr) * 2018-01-16 2019-07-25 Hero MotoCorp Limited Dispositif de commutation
DE102019112074B4 (de) * 2019-05-09 2020-12-17 Marcel P. HOFSAESS Temperaturabhängiger Schalter
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DE102019125452B4 (de) * 2019-09-20 2021-04-22 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102019125451B4 (de) * 2019-09-20 2021-04-08 Marcel P. HOFSAESS Temperaturabhängiger Schalter
FR3142282A1 (fr) * 2022-11-21 2024-05-24 Safran Electrical & Power Contacteur de puissance a ecran de clarification d’arc electrique et aeronef comportant un tel contacteur de puissance

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DE8904063U1 (de) * 1989-04-03 1989-06-22 Ellenberger & Poensgen Gmbh, 8503 Altdorf Druckknopfbetätigter Überstromschutzschalter
US5742219A (en) * 1994-04-28 1998-04-21 Siemens Electromechanical Components, Inc. Switchable circuit breaker
US5854585A (en) * 1997-04-10 1998-12-29 Texas Instruments Incorporated Manual reset electrical equipment protector apparatus
US5861794A (en) * 1998-05-04 1999-01-19 Texas Instruments Incorporated Thermal circuit breaker apparatus

Also Published As

Publication number Publication date
ATE226357T1 (de) 2002-11-15
JP4205862B2 (ja) 2009-01-07
JP2002532826A (ja) 2002-10-02
DE19856707A1 (de) 2000-06-21
KR100532791B1 (ko) 2005-12-02
WO2000034971A1 (fr) 2000-06-15
US6590489B1 (en) 2003-07-08
KR20010089387A (ko) 2001-10-06
CN1324493A (zh) 2001-11-28
CN1184660C (zh) 2005-01-12
EP1141987A1 (fr) 2001-10-10
DE59903125D1 (de) 2002-11-21

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