EP0043406B1 - Elément interrupteur de protection pour être ajouté à un appareil interrupteur construit comme interrupteur rotatif - Google Patents

Elément interrupteur de protection pour être ajouté à un appareil interrupteur construit comme interrupteur rotatif Download PDF

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Publication number
EP0043406B1
EP0043406B1 EP81102572A EP81102572A EP0043406B1 EP 0043406 B1 EP0043406 B1 EP 0043406B1 EP 81102572 A EP81102572 A EP 81102572A EP 81102572 A EP81102572 A EP 81102572A EP 0043406 B1 EP0043406 B1 EP 0043406B1
Authority
EP
European Patent Office
Prior art keywords
engagement
switch
contact
switch element
protective 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.)
Expired
Application number
EP81102572A
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German (de)
English (en)
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EP0043406A1 (fr
Inventor
Fritz Krasser
Josef Peter
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
Priority to AT81102572T priority Critical patent/ATE5674T1/de
Publication of EP0043406A1 publication Critical patent/EP0043406A1/fr
Application granted granted Critical
Publication of EP0043406B1 publication Critical patent/EP0043406B1/fr
Expired 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
    • H01H73/28—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 rotatable knob or wheel

Definitions

  • the invention relates to a protective switching element with the features of the preamble of claim 1.
  • Such a protective switching element is described as a bimetal-controlled overcurrent protective switch in DE-A-2 949 874.
  • This overcurrent protection switch is provided with a coupling element designed as a pivot, on the inner end of which is remote from the device switch, a two-armed reset lever is arranged, which runs approximately parallel to the parting plane between the device switch and the overcurrent protection switch.
  • a coupling element designed as a pivot, on the inner end of which is remote from the device switch, a two-armed reset lever is arranged, which runs approximately parallel to the parting plane between the device switch and the overcurrent protection switch.
  • an insulating slide is acted upon by d.3 radially outer ends of the reset lever and pressed into a latching position.
  • the insulating slide is slidably arranged parallel to the parting plane. It is then held in this detent position by the movement contacts arranged on the ends of a bimetal when the movement contacts rest on the fixed contacts.
  • the movement contacts are pressurized by an edge
  • the movement contacts lift off the fixed contacts and allow the isolating slide to slide between the contacts, thereby triggering a safe protective contact release.
  • This overcurrent protection switch is relatively large in the radial direction, since most parts of the movement are moved in the radial direction when the switch is actuated or triggered.
  • the movement contacts are continuously stressed in the radial direction by the edge of the isolating slide in the latching position, as a result of which the contacts twist and the associated deterioration of the contact properties occurs.
  • the invention has for its object, starting from the overcurrent protection switch described above, a universally usable protective switching element for attachment to a rotary switch designed as an on / off switch so that it is compact, easy to manufacture and assemble and a safe triggering of the protective switching function guaranteed.
  • the transmission disk can be designed with a relatively small diameter so that it does not affect the radial size of the protective switching element.
  • the shape of the free end face of the transmission disc ensures that the locking bracket is raised in a functionally reliable manner from the disc surface. Clache or its secure locking in the locking position in that the locking bracket lying in the release position in a radial trench of the disc is rotated when the disc is rotated on the projections provided with inclined surfaces and pivoted into the locking position.
  • the arrangement of the angle lever on the locking bracket allows the protective contact to be triggered safely.
  • the protective contact itself is not required as a locking element and is only stressed in its axial opening direction.
  • the movement contact according to claim 2 at the free end of a metallic leaf spring, this has an advantageous multiple function.
  • the pretensioning of the spring ensures that the protective contact opens safely. Since the bias is directed against the transmission disc, the locking bracket is also guided resiliently on this.
  • the leaf spring acts on the latching bracket on the pressure lug arranged in the center, whereby its axially directed pretension simultaneously exerts the torque necessary for hooking the latching bracket in the latching position.
  • the leaf spring also serves as a current-carrying element, so that an additional current path for movement contact can be omitted.
  • the characterizing part of claim 4 ensures that the movement contact presses firmly on the fixed contact in the latching position, since the leaf spring deflects in the area between the pressure lug and the fixed contact and this spring area is used to generate a reliable contact pressure.
  • the elongated design of the bimetal according to claim 5 in the radial direction allows a large pivoting stroke of the end of movement and thus a safe triggering of the protective switching function.
  • the bimetal and the fixed contact of the protective switch contact can be used in one piece with a handle in the housing, which makes assembly considerably easier.
  • additional current-carrying elements between the fixed contact and the bimetal can be omitted.
  • the end fixing of which is carried out by applying the cover can be in one and the same housing by simply replacing the current-carrying Parts can optionally accommodate a plurality of protective switching functions.
  • the protective switch contact is either closed in the latching position (claim 9) or open (claim 10).
  • the design of the protective switching element is made possible, for example, as an overcurrent protective switch or zero-voltage switch (claim 9) or as a starting current limiting switch (claim 10) with the housing remaining the same or with the latching parts unchanged.
  • the zero voltage relay in the device on / off switch is assigned an advantageous double function, namely the known shutdown in the event of a power failure or the shutdown in the event of an overcurrent, since the coil current of the zero voltage relay is drawn via the rocker switch of the protective switch contact.
  • the characteristic features of claim 13 are secured by a tilt-free guidance of the locking bracket and in particular a secure locking by two locking arms with molded locking hooks.
  • the latching bracket can be mounted in a simple manner by inserting it into grooves in the housing by the characterizing features of patent claim 14, an additional guidance and mounting of the latching bracket being ensured in the circuit breaker housing.
  • the protective switching element can be made even more compact, the latching bracket being additionally guided in the leaf spring.
  • the overcurrent protection switch 1 shown in FIGS. 1-5 has a housing 2, from the mounting side 3 of which the pivot 5 provided for engagement in the device switch 4 protrudes in the axial direction.
  • a contact element 6 also protrudes essentially in the axial direction from the attachment side 3 and establishes the electrical connection to the device switch 4.
  • a connection contact 8 is provided on the side 7 opposite the mounting side 3.
  • the device switch 4 is designed as a two-pole on / off switch. For this purpose, this is provided with two contact rockers 9, 10, the first contact rocker 9 opening and closing the current path between the first input contact 11 and the first output contact 12 and the second contact rocker 10 opening and closing the current path between the second input contact 13 and the contact element 6 .
  • a bimetal 14 and a protective switch contact 15 are connected in series between the connection contact 8 of the overcurrent protection switch 1 and the contact element 6 which establishes the electrical connection between the overcurrent protection switch 1 and the device switch 4, which has a fixed contact 16 and a movement contact 17.
  • the protective switch contact 15 is closed via the coupling element 19 producing the kinematic coupling between the device switch 4 and the overcurrent protection switch 1 and held in this latching position by a latching device 20 until through thermally triggered bending of the bimetal 14, the locking device 20 is unlocked and the protective switch contact 15 opens.
  • the protective switch contact 15 is closed again when the contact rocker 9, 10 of the device switch 4 is opened again.
  • the pivot 5 is provided on its inner end 21 facing away from the device switch 4 with a transmission disk 22, which is supported with its first end face 23 facing the device switch 4 on the inside 24 of the mounting side 3 of the housing 2.
  • the free end face 25 of the transmission disk 22 has a trench-shaped recess 26 aligned in the radial direction, which runs through the disk center 27.
  • the recess 26 is delimited on both sides by projections 28 which are provided with inclined surfaces 29 which run in the trench-shaped recess 26.
  • the latching device 20 essentially consists of the latching bracket 30, which is equipped with two latching arms 31 projecting parallel from the transmission disk 22 in the axial direction. At the free ends 32 of the locking arms 31 locking hooks 33 are provided, which protrude at right angles and in the same direction in parallel from the free ends 32 of the locking arms 31. Furthermore, the latching bracket 30 is provided at its end facing the transmission disk 22 with a roof-shaped latching edge 34 which, in the unlocked position, lies in the trench-shaped recess 26 of the transmission disk 22 and, when the transmission disk is rotated, slides on the inclined surfaces 29 of the projections 28 and thereby the latching bracket 30 in axial direction from the transmission disc 2: 'pushes away.
  • the displacement takes place against a spring force directed against the transmission disk 22, which is exerted by a leaf spring 35 which extends through the housing 2 in the radial direction.
  • the pressure lug 38 is arranged such that it is radially offset with respect to the latching edge 34 such that a torque is continuously exerted on the latching bracket 30 by the spring pressure, which torque is directed clockwise in FIGS. 4 and 5.
  • latching bracket 30 If the latching bracket 30 is now axially pushed away from the transmission disk 22 by the projections 28 of the transmission disk 22, the latching hooks 33 snap behind latching projections 39, which are formed on the housing 2, due to the clockwise torque.
  • the movement contact 17 arranged at the pivoting end 40 of the leaf spring 35 is pressed onto the fixed contact 16, as a result of which the protective switch contact 15 is closed.
  • the contact pressure required for good contact is ensured by the fact that the pressure lug 38 acts on the leaf spring 35 with a radial distance from the pivoting end 40 thereof, so that the area of the leaf spring 35 lying between the pivoting end 40 and the pressure lug 38 is still somewhat affected by the axial pressure exerted by the transmission disk 22 is bent.
  • the bimetal 14 is provided, which extends essentially parallel to the leaf spring 35 across the housing 2.
  • the bimetal 14 itself is designed as a strip which is elongated in the radial direction and is fastened with its first end 41 to the second side wall 42 of the housing 2.
  • an adjusting screw 44 is screwed in in the axial direction, which acts on an angle lever 45 with its end facing the transmission disk 22, which protrudes essentially in the radial direction from the side of the locking bracket 30 opposite the locking hooks 33 and centrally between the two locking arms 31 is attached.
  • the angle lever 45 is relatively long compared to the locking hook 33, so that a small axial pressure exerted by the bimetal 14 on the radially outer end of the angle lever 45 is sufficient to pull out the locking hook 33 behind the locking projections 39 and to unlock the locking device.
  • the unlatching can only take place when the contact rockers 9 of the device switch 4 are closed and a current flows through the bimetal 14. If the contact rockers 9, 10 are in the closed position, the trench-shaped recess 26 of the transmission disk 22 and the roof-shaped latching edge 34 of the latch bracket 30 are parallel so that the latch bracket can move axially toward the transmission disk 22 as a whole. If, however, the contact rockers 9, 10 of the device switch 4 are open, the projections 28 of the transmission disk 22 touch the latching edge 34, whereby an unlocking is not possible. However, this is not harmful since in this switched-off position of the device switch 4 no current flows through the bimetal 14 anyway.
  • the following measures are taken for mounting or guiding the latching bracket 30 in the housing 2:
  • the grooves 46 are designed to be open at their end axially facing away from the transmission disk 22 such that one side of the grooves 46 forms the latching projections 39.
  • the locking bracket 30 If the locking bracket 30 is pushed away from the latter by rotating the transmission disk 22 in the axial direction, the locking hooks 33 slide out of the respective groove 46 and hook behind the locking projection 39 arranged at the end of the groove 46 by a slight pivoting of the entire locking bracket 30 (in FIG .4 and 5 clockwise).
  • the grooves 46 thus allow an axial displacement of the locking bracket 30 and a pivoting movement when the locking position is reached.
  • the width of the locking arms 31 in the axial region of the locking edge 34 corresponds essentially to the width of the grooves 46.
  • the locking arms 31 are rounded in this area so that they are guided through the grooves 46 in the region of the locking edge 34 when pivoted.
  • the locking bracket 30 is guided further by the angle lever 45, which is guided on both sides in an elongated hole 47 in the longitudinal direction of the leaf spring 35.
  • the following measures are taken for mounting the current-carrying parts, in particular the fixed contact 16 with the bimetal 14 attached to it and the leaf spring 35.
  • the fixed end 36 of the leaf spring 35 is welded to a first mounting plate 48 made of metallic material, which in turn is mounted in a pocket-like first housing recess 49 such that it can be inserted into the pocket-like housing recess 49 from the housing parts facing away from the transmission disk 22.
  • the fixed contact 16 is mounted on a second mounting plate 50 in a second housing recess 51 opposite the first housing recess 49 in an equivalent manner.
  • the second mounting plate 50 is mounted in an equivalent manner in one of the first housing recess 51.
  • the second mounting plate 50 is bent at a right angle such that its protrusion 52 projects essentially radially inward from the second side wall 42 of the housing 2.
  • the fixed contact 16 is welded onto the protrusion 52.
  • the first mounting plate 48 and the second mounting plate 50 are held in the housing recesses 49, 51 in the mounting position in that the housing wall opposite the transmission disc 22 is formed by a housing cover 53 which can be placed on the housing 2, the inside of which cover 54 faces away from the adjusting disc 22 55 of the mounting plates 48, 50 acted upon and holds.
  • the housing cover 53 is provided with an adjustment opening 56 in the region of the adjusting screw 44, which is screwed into the movement end 43 of the bimetal 14.
  • FIGS. 6-10 starting current limit switch.
  • the description of this FIG. Is limited to the parts, the design and function of which differ from the exemplary embodiment “overcurrent protection switch” shown in FIGS. 1-5.
  • the reference numerals in FIGS. 6-10 are increased by the number 100 compared to those in FIGS.
  • the housing 102 of the starting current limiting switch 101 shown in FIG. 6 is essentially identical to the housing 2 of the overcurrent protection switch 1, only connection tabs 157 and 158 protrude from the first side wall 137 and from the second side edge 142 of the housing 102.
  • connection contact 106 is directly connected to the movement contact 117 via the current path 159.
  • the connection contact 108 can be connected directly to the contact element 106 via the protective switch contact 115.
  • the connection contact tab 157 is connected to the current path 159, while the connection contact tab 158 is connected to the first end of the bimetal 114, which is also U-shaped (U-legs 70, 71; crossbar 72 in FIG. 3).
  • the second end of the bimetal 114 is connected directly to the connection contact 108.
  • a series resistor 160 is connected between the two connection contact tabs 157, 158 led out of the housing 102.
  • the protective switch contact 115 If the protective switch contact 115 is open, the current flows from the second input contact 113 via the series resistor 160 and the bimetal 114 to the connecting contact 108. If the protective switching contact 115 is closed, however, the current flows directly from the second input contact 113 to the connecting contact 108 when the device switch 104 is switched on.
  • the protective switch contact 115 Only when the device switch 104 is switched off again is the protective switch contact 115 opened again, so that when the device is switched on again ten of the device switch 104, the starting current flowing through the switch combination flows over the current path containing the ballast resistor 160 and the bimetal 114.
  • the opening of the protective switch contact 115 when the device switch 104 is switched off takes place in that, in contrast to the example of the overcurrent protection switch shown in FIGS. 1-5, the fixed contact 116 of the starting current limiting switch 101 is not on the side of the movement contact 117 facing away from the transmission disk 122, but between the mounting side 103 and the movement contact 117.
  • the bias of the leaf spring 135 directed against the mounting side 103 ensures that the protective switch contact 115 is closed in the release position, while the protective switch contact 115 is caused by the axial pressure exerted by the transmission disk 122 on the latching bracket 130 or by the locking of the latching hooks 133 behind the latching projections 139 remains open in the locked position.
  • FIGS. 11-15 zero voltage protection switch. The description of these figures is likewise limited only to the parts whose function or arrangement has been modified compared to FIGS. 1 -5. When using the same terms, the reference symbols in FIGS. 11-15 are increased by the number 200 compared to the reference symbols in FIGS. 1-5.
  • the zero-voltage protection switch 201 has a housing 202, from the attachment side 203 of which, in addition to the contact element 206 and the pivot pin 205, a further contact element 261 engages to engage in the current supply of the device switch 204.
  • a further external connection contact 262 is provided on the side 207 of the housing 202 opposite the mounting side 203.
  • a zero voltage relay 263 is provided in the device switch 204, the coil 264 of which is connected with its first coil end 265 to the movement end 217 of the protective switching contact 215 and its second coil end 266 to the first input contact 211.
  • a locking device 267 of the zero voltage relay acts on the contact rockers 209, 21u in such a way that these are opened when the voltage in the coil 264 drops.
  • the contact rockers 209, 210 are only closed when the device switch 204 is switched on again.
  • the voltage drop in the coil 64 is caused by the opening of the protective switch contact 215, which is unlocked by the bimetal 214 in the event of an overcurrent. Unlocking takes place in the same way as with the overcurrent protection switch described at the beginning.
  • the zero-voltage relay 263 therefore has a dual function, namely opening the contact rockers 209, 210 in the event of a zero voltage and opening the contact rockers 209, 210 in the event of an overcurrent, since the voltage in the zero-voltage coil 264 drops as described by opening the protective switch contact 215.
  • the fixed contact 216 is not connected to one end of the bimetal 14 as in the example of the overcurrent protection switch shown at the beginning, but to the further contact element 261 which, when the switching rocker 210 of the device switch 204 is closed, makes an electrical connection to the bimetal 214.

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  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)

Claims (19)

1. Elément commutateur de protection (1, 101, 201) destiné à être accolé à monté sur un interrupteur d'appareil marche/arrêt réalisé comme un interrupteur (4,104,204) comprenant
1. un bilame (14, 114, 214) monté dans le circuit électrique de l'interrupteur d'appareil, qui
1.1 peut être amené par la circulation de courant d'une position étendue à une position incurvée,
2. un élément d'accouplement (19, 119, 219) realise comme un axe rotatif (5,105, 205),
2.1 qui fait saillie à peu près perpendiculairement dans la direction axiale du côté de montage (3, 103, 203) du boîtier (2, 102, 202) de l'élément commutateur de protection (1, 101, 201) pour pénétrer dans et agir sur l'interrupteur (4, 104, 204) d'appareil et
2.2 est relié en rotation à l'axe de commande (18, 118, 218) coaxial de l'interrupteur d'appareil,
3. un contact de protection (15, 115, 215) coopérant avec un dispositif d'arrêt (20,120, 220)
3.1 susceptible d'être amené à une position d'arrêt ou position verrouillée par rotation de l'axe contre une force élastique et à une position déclenchée par incurvation du bilame et
3.2 qui se compose d'un contact fixe (16, 116, 216) et d'un contact mobile (17,117, 217) guidé dans la direction axiale,

caractérisé en ce que:
4. l'axe rotatif (5, 105, 205) est pourvu d'un disque de transmission (22, 122, 222),
4.1 qui est fixé de façon centrale et à angle droit par rapport à l'axe de rotation de l'axe (5, 105, 205) à son extrémité intérieure (21, 121, 221) opposée à l'interrupteur d'appareil (4,104,204) et
4.2 présente, sur sa face extrême libre (25, 125, 225) opposée à l'interrupteur d'appareil (4,104,204), une encoche (26, 126, 226) orientée radialement
4.2.1 qui passe par le centre (27, 127, 227) du disque et
4.2.2 est délimitée des deux côtés par des protubérances (28, 128, 228) faisant axialement saillie de la face extrême libre (25, 125, 225) du disque et présentant des faces inclinées (29,129,229),
5. le dispositif d'arrêt (20,120,220) se compose essentiellement d'un archet d'arrêt (30, 130, 230) guidé en direction axiale par un ajustement glissant libre et présentant au moins un bras d'arrêt (31,131,231)
5.1 qui dépasse essentiellement en direction axiale de la face extrême libre (25, 125, 225) du disque de transmission (22, 122, 222) et dont l'extrémité libre (32, 132, 232) est pourvue d'un crochet d'arrêt (33, 133, 233),
5.1.1 qui dépasse essentiellement à angle droit du bras d'arrêt (31, 131, 231) et
5.1.2 s'accroche en position d'arrêt derrière une protubérance d'arrêt (39, 139, 239) formée sur le boîtier (2, 102, 202) de l'élément commutateur de protection (1, 101, 201),
5.2 l'archet d'arrêt (30, 130, 230) présente, à son extrémité dirigée vers le disque de transmission (22, 122, 222), une arête de verrouillage en dièdre (34,134,234) qui 5.2.1 est située en position déverrouillée dans l'encoche (26, 126, 226) du disque de transmission (22, 122, 222) et
5.2.2 glisse lors de la rotation de ce disque sur les faces inclinées (29, 129, 229) des protubérances (28, 128,228),
5.3 l'archet d'arrêt (30, 130, 230) est pourvu d'un nez d'appui (38,138,238) qui
5.3.1 est décalé radialement vers l'extérieur par rapport à l'arête de verrouillage (34,134,234),
5.3.2 est dirigé axialement en sens contraire du disque de transmission (22,122,222) et
5.3.3 est disposé sur le même côté de l'archet d'arrêt (30,130,230) que le crochet d'arrêt (33, 133, 233) et
5.3.4 qui agit à l'encontre de la force élastique orientée axialement sur le côté dirigé vers le disque de transmission (22, 122, 222) du contact mobile (17,117, 217),
5.4 l'archet d'arrêt (30, 130, 230) est pourvu d'un levier coudé (45, 145, 245),
5.4.1 qui dépasse essentiellement en direction radiale du côté opposé au crochet (33, 133, 233) de l'archet d'arrêt (30,130,230) et
5.4.2 dont l'extrémité radialement extérieure est chargée par l'extrémité mobile (43, 143, 243) du bilame (14, 114,214) en direction du disque de transmission (22, 122, 222).
2. Elément commutateur de protection selon la revendication 1, caractérisé en ce que:
1. le contact mobile (17, 117, 217) est disposé sur l'extrémité pivotante (40, 140, 240) d'une lame ressort métallique (35,135,235) qui
1.1 s'étend essentiellement en direction radiale,
1.2 est fixée par son extrémité fixe (36, 136, 236) à une première paroi latérale (37, 137, 237) du boîtier (2,102,202) et
1.3 présente une précontrainte dirigée axialement contre le disque de transmission (22,122,222).
3. Elément commutateur de protection selon la revendication 1 ou 2, caractérisé en ce que le contact de protection (15, 115, 215) est disposé dans la région de la deuxième paroi latérale (42, 142, 242) située en face de l'extrémité fixe (36, 136, 236) de la lame ressort (35, 135, 235) du boîtier (2,102,202).
4. Elément commutatuer de protection selon l'une des revendications 1 à 3, caractérisé en ce que le nez d'appui (38, 138, 238) agit sur la lame ressort (35, 135, 235) à distance radiale du contact mobile (17,117,217).
5. Elément commutateur de protection selon l'une des revendications 1 à 4, caractérisé en ce que
1. le bilame (14,114,214) est réalisé sous forme d'une bande étendue longitudinalement en direction radiale, qui
1.1 est fixée par sa première extrémité (41, 141, 241) à la deuxième paroi latérale (42, 142, 242) et
1.2 agit par son extrémité libre (43, 143, 243) sur le levier coudé (45,145,245).
6. Elément commutateur de protection selon l'une des revendications 1 à 5, caractérisé en ce que la première extrémité (41, 141, 241) du bilame (14, 114, 214) est fixée de manière électriquement conductrice qu contact fixe (16, 116, 216) du contact de protection (15, 115, 215).
7. Elément commutateur de protection selon l'une des revendications 1 à 6, caractérisé en ce que:
1. le bilame (14,114,214) est en U et
1.1 les branches du U (70, 71; 170, 171; 270, 271) sont situées dans un plan radial,
1.2 la première branche (70, 170, 270) est reliée électriquement au contact fixe (16,116,216) et
1.3 la seconde branche (71, 171, 271) est reliée électriquement à un contact de connexion extérieur (8),
2. la traverse (72, 172, 272) reliant les deux branches du bilema en U (14, 114, 214) agit sur le levier coudé (45, 145, 245).
8. Elément commutateur de protection selon l'une des revendications 1 à 7, caractérisé en ce que:
1. le contact fixe (16, 116, 216) et l'extrémité fixe (36, 136, 236) de la lame ressort (35, 135, 235) sont dispersées chacune, par une première (48, 148, 248) et par une seconde (50, 150, 250) plaque de montage, dans un évidement (49, 51; 149, 151; 249, 251) des parois latérales du boîtier, de manière à pouvoir être mises en place par glissement à partir du côté du boîtier, réalisé comme couvercle (53, 153, 253) du boîtier, qui se trouve à l'opposé du côté de montage (3, 103, 203),
2. le côté intérieur (54, 154 254) s'applique en position montée contre le bord (55, 155, 255) éloigné du disque de transmission (22, 122, 222) des plaques de montage (48, 50; 148, 150; 248, 250).
9. Elément commutateur de protection selon l'une des revendications 1 à 8, caractérisé en ce que le contact fixe (16,216)
1. est disposé entre le contact mobile (17, 217) et le couvercle (53, 253) du boîtier et
2. est touché par le contact mobile (17,217) sur son côté dirigé vers le disque de transmission (22,222).
10. Elément commutateur de protection selon l'une des revendications 1 à 8, caractérisé en ce que le contact fixe (116)
1. est disposé entre le contact mobile (117) et le côté de montage (103) du boîtier et
2. est touché par le contact mobile (117) sur son côté éloigné du côté de montage (133) du boîtier.
11. Elément commutateur de protection selon la revendication 10, caractérisé en ce que la seconde branche (171) du bilame en U (114) est reliée électriquement au contact fixe (116) et la première branche (170) du bilame en U (114) est reliée électriquement à travers une résistance série (160) au contact mobile (117).
12. Elément commutateur de protection selon l'une des revendications 1 à 9, caractérisé en ce que:
1. l'interrupteur d'appareil marche/arrêt (204) contient un relais à tension nulle (263) en soi connu,
1.1 dont le dispositif de verrouillage (267) est relié mécaniquement aux contacts mobiles (209, 210) de l'interrupteur marche/arrêt et
1.2 qui présente une bobine (264)
1.2.1 dont la première extrémité (265) est reliée électriquement au contact mobile (217) du contact de protection (215) et
1.2.2 dont la seconde extrémité (266) est reliée au premier contact d'entrée (211),
2. la première branche (270) du bilame en U (214) est reliée au contact de connexion (208) et la seconde branche (271) du bilame en U (214) est reliée à un contact mobile (210) de l'interrupteur d'appareil marche/arrêt (204).
13. Elément commutateur de protection selon l'une des revendications 1 à 11, caractérisé en ce que:
1. l'archet d'arrêt (30, 130, 230) est formé essentiellement d'une barrette (69, 169, 269) s'étendant radialement,
1.1 aux extrémités radialement extérieures de laquelle sont fixés deux bras d'arrêt (31, 131, 231) s'étendant parallèlement en direction axiale,
2. l'arête de verrouillage (34, 134, 234) est disposée sur le côté de la barrette (69, 169, 269) dirigé vers le disque de transmission (22,122,222),
3. le nez d'appui (38, 138, 238) est formé sur le côté de la barrette (69, 169, 269) éloigné du disaue de transmission (22, 122, 222),
4. le levier coudé (45, 145, 245) dépasse à angle droit du milieu de la barrette (69,169,269).
14. Elément commutateur de protection selon l'une des revendications 1 à 12, caractérisé en ce que:
1. les bras d'arrêt (31, 131, 231) de l'archet d'arrêt (30, 130, 230) sont disposés dans des rainures (46, 146, 246) orientées axialement du boîtier (2,102,202),
1.1 les crochets d'arrêt (33, 133, 233) étant situés entièrement dans les rainures (46, 146,246) en position déclenchée et
1.2 s'accrochant en position d'arrêt derrière des protubérances d'arrêt (39, 139, 239) disposées aux extrémités des rainures (46, 146, 246) éloignées du disque de transmission (22,122,222).
15. Elément commutateur de protection selon l'une des revendications 1 à 13, caractérisé en ce que:
1. la lame ressort (35, 135, 235) présente un trou oblong (47, 147, 247) orienté dans la direction longitudinale,
1.1 dans lequel le levier coudé (45, 145, 245) est guidé des deux côtés.
16. Elément commutateur de protection selon l'une des revendications précédentes, caractérisé en ce que:
1. l'extrémité mobile (43, 143, 243) du bilame (14, 114, 214) porte une vis de réglage (44, 144, 244) qui
1.1 peut être vissée essentiellement en direction axiale et
1.2 agit par son extrémité dirigée vers le disque de transmission (22, 122, 222) sur le levier coudé (45, 145, 245),
2. le couvercle (53, 153, 253) présente un trou (56, 156, 256) pour le réglage dans la région de cette vis (44,144,244).
EP81102572A 1980-07-02 1981-04-06 Elément interrupteur de protection pour être ajouté à un appareil interrupteur construit comme interrupteur rotatif Expired EP0043406B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81102572T ATE5674T1 (de) 1980-07-02 1981-04-06 Schutzschaltelement zum anbau an einen als drehschalter ausgebildeten geraete-ein/ausschalter.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE8017765U DE8017765U1 (de) 1980-07-02 1980-07-02 Schutzschaltelement zum Anbau an einen als Drehschalter ausgebildeten Geräte-Ein/Ausschalter
DE19803025013 DE3025013A1 (de) 1980-07-02 1980-07-02 Schutzschaltelement zum anbau an einen als drehschalter ausgebildeten geraete-ein/ausschalter
DE3025013 1980-07-02

Publications (2)

Publication Number Publication Date
EP0043406A1 EP0043406A1 (fr) 1982-01-13
EP0043406B1 true EP0043406B1 (fr) 1983-12-21

Family

ID=25786375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81102572A Expired EP0043406B1 (fr) 1980-07-02 1981-04-06 Elément interrupteur de protection pour être ajouté à un appareil interrupteur construit comme interrupteur rotatif

Country Status (2)

Country Link
EP (1) EP0043406B1 (fr)
DE (2) DE8017765U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6483418B1 (en) * 2000-08-18 2002-11-19 Texas Instruments Incorporated Creep acting miniature thermostatic electrical switch and thermostatic member used therewith

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE307336C (fr) *
DE709683C (de) * 1938-06-23 1941-08-23 Aeg Schutzeinrichtung fuer Induktionsmotoren mit druckknopfgesteuertem Motorschutzschalter
BE442165A (fr) * 1940-07-27
US2354157A (en) * 1942-07-09 1944-07-18 Westinghouse Electric & Mfg Co Enclosed circuit breaker
US2555035A (en) * 1948-08-06 1951-05-29 Bulldog Electric Prod Co Circuit breaker
NL176114B (nl) * 1952-08-19 Memorex Corp Werkwijze voor het aanbrengen van een band in een bandcassette.

Also Published As

Publication number Publication date
DE3025013A1 (de) 1982-02-04
DE8017765U1 (de) 1980-10-30
EP0043406A1 (fr) 1982-01-13

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