EP0388823A2 - Dispositif de verrouillage contre la mise en circuit simultanée de deux contacteurs commandés mécaniquement ou électromécaniquement - Google Patents

Dispositif de verrouillage contre la mise en circuit simultanée de deux contacteurs commandés mécaniquement ou électromécaniquement Download PDF

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Publication number
EP0388823A2
EP0388823A2 EP90105069A EP90105069A EP0388823A2 EP 0388823 A2 EP0388823 A2 EP 0388823A2 EP 90105069 A EP90105069 A EP 90105069A EP 90105069 A EP90105069 A EP 90105069A EP 0388823 A2 EP0388823 A2 EP 0388823A2
Authority
EP
European Patent Office
Prior art keywords
slide
switching
locking device
angle lever
housing
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
EP90105069A
Other languages
German (de)
English (en)
Other versions
EP0388823A3 (fr
EP0388823B1 (fr
Inventor
Klaus Dieter Nürenberg
Kurt Händler
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.)
Eaton Industries GmbH
Original Assignee
Kloeckner Moeller Elektrizitaets GmbH
Kloeckner Moeller 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 Kloeckner Moeller Elektrizitaets GmbH, Kloeckner Moeller GmbH filed Critical Kloeckner Moeller Elektrizitaets GmbH
Publication of EP0388823A2 publication Critical patent/EP0388823A2/fr
Publication of EP0388823A3 publication Critical patent/EP0388823A3/fr
Application granted granted Critical
Publication of EP0388823B1 publication Critical patent/EP0388823B1/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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H01H50/323—Latching movable parts mechanically for interlocking two or more relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/044—Application rejection 1: coded interacting surfaces, polarising, e.g. to avoid insertion of a circuit breaker or fuse or relay or rating plug of the wrong caliber or in the wrong direction

Definitions

  • the locking device contains three moving parts, namely two identical actuating slides, each of which is coupled to a switching element and an intermediate shaft, which acts on the actuating slide on the switching element. By shifting the rocker in a housing, the locking positions for one or the other switching element are triggered via the actuating slide.
  • these are arranged between the two switching elements, such as contactors, a construction which is particularly applicable to the symmetrical locking devices, as described, for example, in DE-AS 12 64 579 or DE-PS 29 51 356.
  • the invention has for its object to prevent the simultaneous switching on of two switching elements, such as contactors, from the common zero position or the switching on of the second contactor when the first contactor is switched on by a simple mechanical locking device.
  • the width of the contactors should remain unchanged and contactors should be arranged directly next to each other.
  • the switching elements should both with unchanged construction Auxiliary switch or other accessories and locking device as well as without auxiliary switch or without auxiliary switch but with locking device can be used.
  • the shape of the locking device is also intended to increase the shock resistance of the entire arrangement.
  • the present invention relates to a locking device for mechanical locking of one of two switching elements according to the preamble of claim 1, which is based on a device according to the device known from DE-PS 29 51 356.
  • the object on which the invention is based is achieved according to the invention by designing the locking member as an angle lever with a fixed axis of rotation and a movable axis of rotation for one of the slides.
  • the locking member is designed as an angle lever and can be rotated about an axis which is fixedly formed on the lower housing part in the area of the angle corner and engages in a bearing bore of the angle lever, and an angle arm of the angle lever is articulated with one of the two sliders with a positionally variable axis of rotation of the angle lever Axially parallel axis is connected and the other angle arm of the angle lever by moving the slide articulated with the angle lever into the end positions corresponding to the switch-on or switch-off position of the coupled switching element into a position blocking the freedom of movement of the second slide for switching on the switching element coupled to the second slide can be moved into a position releasing the freedom of movement necessary for switching on the switching element coupled to the second slide, the back in the switched-on position of the second slide k rotation of the angle lever around the fixed axis is blocked and the articulated with the angle lever slider is locked in the off position.
  • the angle lever is arranged between the two slides in such a way that they can cooperate with one end region of one of the angle arms of the angle lever.
  • the coupling elements to the switching elements to be locked against each other are preferably formed on the top and bottom of the slide and extend perpendicular to the direction of movement of the slide in the housing and parallel to the axis of rotation of the angle lever. They are designed as pins or receiving pins, with corresponding recesses for the passage of the coupling elements being formed on the lower and upper parts of the housing. On the recesses on the top of the housing, the switching position of the switching elements ON, OFF can be seen at the position of the coupling elements.
  • the mechanical locking device according to the invention housed in a housing can be mounted on two switching elements, in particular contactors, arranged directly next to one another.
  • the direction of installation of the contactors is the same.
  • no additional space is required on the mounting rail for contactors mounted on mounting rails.
  • the top of the housing of the locking device is structured like the top of the protections, ie the two contactors to be locked side by side. This makes it possible for auxiliary switches or other accessories to be arranged on the locking device without further aids.
  • the invention enables the locking device to be arranged between auxiliary switches and switching elements, such as contactors.
  • the locking device with the housing is included in the coding device bes switching gear by using coding pins that lead from the switching element through the housing of the locking device are the Coding is transferable to the auxiliary switches that are placed on the locking device.
  • the housing is preferably provided with coding pins which are movably mounted, which protrude from the underside of the housing and are accessible from above through recesses in the upper part of the housing and which take over the coding from the switching elements and, for example, transmit them to the auxiliary switches.
  • the housing of the blocking device is structured in such a way that it can be adapted to two contactor surfaces arranged next to one another, to which a repetitive housing structure arranged in series corresponds.
  • the housing is therefore not symmetrical, but contains two approximately identical parts that are joined together in the same direction; this applies to the lower part of the housing as well as to the upper part of the housing.
  • the housing has on the underside both guide pins and snap hooks which are inserted or latched into corresponding recesses on the upper side of the contactor. Accordingly, the top of the housing is equipped with recesses so that auxiliary switches or other accessories with corresponding guide pins and snap hooks can either be placed on the housing or directly on the protection and snapped into place.
  • defined switching paths for switching the coupled switching elements on and off are achieved by correspondingly guiding the slide in the housing of the locking device.
  • the slides are each positively guided in a recess in the lower housing part for executing the reciprocating switching movement for defined switching paths.
  • a guide groove is formed between guide rails or the like formed on the lower and / or upper part of the housing, in which the slide can be moved back and forth in the switching direction.
  • FIG. 21 shows schematically the arrangement of the blocking device 3 on two contactors 1, 2 arranged directly next to one another without intermediate space and intermediate elements as switching elements, which is intended to prevent the second contactor from switching when the first is in the switched-on position.
  • the locking device 3 is designed so that, as indicated by dashed lines, an auxiliary switch 4 can be placed and engaged in the direction of the arrow, of course also for the second contactor.
  • the locking device 3 can be installed between accessories such as auxiliary switches and contactors.
  • the coding pins 500 which are only indicated schematically at one point and are guided in the housing of the blocking device 3, ensure the correct assignment of the auxiliary switches to the contactors, since they are guided through the blocking device into the switching elements and take over the coding from the contactor and transfer to counterparts located in the auxiliary switch.
  • the contactors are also universally usable, with and without a locking device, as they are in the installation width cannot be changed when using the locking device.
  • the locking device 3 has a housing composed of the lower housing part 100 and the upper housing part 200, in which the elements which bring about the mechanical locking, see FIG. 15, namely two sliders 300, 300a and the locking element of the angle lever 400, are accommodated.
  • the position and assignment of the sliders 300, 300a and the angle lever 400 as a locking element between the two sliders can be seen in a view of the lower housing part 100.
  • the housing is designed for connection to two switching elements in a corresponding repetition of shapes, the slide 300 cooperating with the contactor 1 and the slide 300a with the contactor 2.
  • the slide 300 is coupled to the contactor 1 according to FIG. 21, the slide 300a to the contactor 2 according to FIG. 21.
  • the angle lever 400 can be rotated about the axis 123 which is fixedly arranged on the lower housing part, see arrow S3.
  • the slider 300 is articulated to an angle arm of the angle lever 400 via the axis 301, which forms a movable pivot point for the angle lever 400 as a result of the slide movement of the slider 300 in the direction of the arrow S1, S2.
  • the slider 300a is rotated by 180 ° with respect to the slider 300 and is loosely arranged on the opposite side of the angle lever in the lower housing part.
  • the possibilities of movement of the slide 300a are, however, restricted by guides on the inside of the housing to the back and forth movement in positive guides in the switching direction S1, S2.
  • the length of the switching path of the slide 300a is limited in both directions, on the one hand by the angle lever, and on the other hand by the travel path of the coupled pin of the contactor.
  • the slide 300a is mounted in a guide groove 130 formed between the guide strip 122 and the base 121a and can be displaced in the direction of the arrow S1, S2.
  • the elements 300, 400, 300a are thus in the lower housing part arranged that the insertion holes 116, 116a formed in the lower housing part for the coding pins remain free even when the position of the elements is shifted.
  • FIG. 1 An advantageous embodiment of the lower housing part 100 for receiving the movable elements of the locking device is shown in Figures 1 to 3. Since the housing 100 serves to be placed on two identical contactors, it also shows in its basic construction two identical halves which are placed next to one another at the boundary line G and which are designed in their functional areas with regard to the connection to the contactors on the top and bottom sides. For the positive locking locking of the lower housing part 100 with the upper side of the contactors, three fitting pins 101, 102, 103 for the first contactor and fitting pins 101a, 102a, 103a for the second contactor are formed in a triangular arrangement on the housing underside 110, see FIG.
  • Edge recesses 106, 107 and 106a, 107a are also formed on the outer walls of the housing, and snap hooks 104, 105 and 104a, 105a, which protrude from the underside of the housing, are provided in pairs for snapping into corresponding undercuts on the shooters.
  • the areas 126, 127 and 126a, 127a and 113 for placing the upper housing part 200 according to FIGS. 4 to 6 are formed flush in one plane and offset from the other edge areas.
  • pairs of matching holes 124, 125 and 124a, 125a are formed, which serve to receive corresponding fitting pins on the underside of an auxiliary switch 4, see FIG. 21, and which are analogously on the top the contactors 1 and 2 serve to insert the fitting pins 101, 103 and 101a, 103a on the underside of the housing.
  • the lower part of the housing has in each half a particularly rectangular opening 117 and 117a for the coupling elements of the locking device to the contactors, and insertion holes 116 and 116a for the coding pins 500, see schematic indication in FIG. 3.
  • this housing area is further equipped with the guide groove 130 for the slider resting on the housing bottom, which, for example, between the guide bar 122 formed on the housing bottom and a base wall of the insertion holes 116a for the coding pins surrounding base 121a is formed.
  • the upper housing part for closing the lower housing part is shown by way of example in FIGS. 4 to 6.
  • the upper housing part 200 has a circumferential edge formed with latching grooves 205, 206 and projections 203, 204, with which it can be finally placed onto the lower housing part in a form-fitting and flush manner.
  • the formation of the areas assigned to the two contactors at the boundary line G is also repeated in the upper housing part.
  • On the underside 202 locking webs 210, 211, 212 projecting opposite one another at the edges are formed in pairs, which enable the upper housing part to be positively locked onto the lower housing part. Further pairs of insertion holes 213, 214 and 213a, 214a are provided in the upper part of the housing.
  • a recess 215 or 215a is provided in a sufficient size, which also allows a corresponding movement of the slide or pin.
  • the switch position ON 1 or OFF 0 of the contactors 1, 2 is also indicated at the position of the pin 302 or 302a, see dashed lines in FIG. 4.
  • the upper housing part 200 has openings 216 or 216a for inserting coding pins.
  • cams 207, 207a for clipping on sign carriers or the like are formed on each upper housing part half.
  • the Recesses 215, 215a for inserting the coupling members are surrounded on both sides with guide webs 217, 218 and 217a, 218a which extend parallel to the direction of movement of the slide.
  • additional guide ribs 220, 219 are formed in the central area, which serve to guide the slide.
  • the two sliders 300 of the locking device are of identical design here for manufacturing reasons.
  • An advantageous embodiment of the actuating slide 300 is shown in FIGS. 7 to 9 in three views.
  • the plate-shaped slide 300 is on its lower part of the housing, i.e. Bottom inner side 111, facing and lying on side 306 is formed with a receiving pin 303 projecting perpendicular to the slide extension with a fitting hole 304 for the pin of the contactor to be coupled.
  • the pin 302 is formed so as to extend approximately opposite the receiving pin 303 for engagement in the auxiliary switch. This enables a switch position indicator.
  • the axle pin 301 for guiding the angle lever is also formed on this side of the slide 300, the axle pin being provided on one end of the slide, which is preferably also tapered by the bulge 308, while on the other end region of the slide the two are opposite one another opposite pins or receiving pins are arranged.
  • the end 307 of the slide, in the area of which the axle journal 301 is formed, has a slightly concave contour.
  • the angle lever 400 has the continuous bearing bore 401 in the corner corner region for placement on the journal 123 formed on the lower housing part.
  • One angle lever 403 extends with a slightly convex end face 406 in the direction of the loosely inserted slide 300a.
  • the other angle arm 404 extends approximately at right angles to this and is formed in its end region with the bearing bore 402 for receiving the journal 301 of the slide 300.
  • the angle lever for receiving the journal of the slide in the area covering the slide is formed on the underside with the recess 405, so that the angle lever can also be mounted in a plane-parallel manner in the area of the second arm 403 to the housing base and perpendicular to the axes 123, 301 Tilting with respect to the axes of rotation is avoided.
  • the switching paths of the sliders 300 and 300a are predetermined and the possibility of movement is determined by the interposed angle lever 400, which is movable about the fixed axis of rotation 123 and is articulated to the slider 300 and assumes defined positions with respect to the second slider 300a .
  • the slides are in the position shown there for both contactors, ie both slides 300 and 300a, in the off position.
  • the slide 300 is moved according to FIG. 15 in the direction of arrow S1 via the pin 10 of the contactor 1 coupled to the driving pin 303, see FIG. 19, into the switch-on position "ON (1)", see FIG. 16.
  • the slide takes the articulated angle lever 400 along with it, so that its free angle arm 403 swings inward in front of the end 307a of the second slide 300a and the freedom of movement in front of the second slide 300a blocked, see FIG. 16.
  • the mutually facing ends 406 of the angle lever 403 and the slide end 307a are convex or concave in order to be able to slide past one another.
  • the slide 300a coupled to the second contactor is at the same time blocked by the pivoted-in angle arm 403 in the off position 2, ie mechanically locked. Only when the contactor 1 is switched off and the pin of the contactor 1 returns the slide 300 in the direction of arrow S2, see FIG. 15, to the "off" position (1) of the contactor 1, does the angle lever 400 move out of the blocking position according to FIG. 16 swung out again.
  • FIG. 19 shows part of the partial cross-section AA, from which the gripping of the receiving pin 303 of the slide 300 through the lower housing part 100 through the recess 117 is illustrated, the pin 10 of the contactor 1 shown in broken lines engaging in the receiving bore 304. Analag engages on the underside of the pusher of the contactor 2 on the slide 300a for the moving movement.
  • FIG. 20 shows the partial cross-section BB of FIG. 18, from which the stationary axis of rotation 123 and the movable axis of rotation 301 of the angle lever 400 used here can be seen.
  • the mechanical locking according to the invention thus prevents two contactors which are equipped with the blocking device from being switched on at the same time, since the arrangement is such that only one contactor can be moved into one switch-on position at a time. Furthermore, the blocking device prevents the other contactor from being switched on when a contactor is switched on.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Burglar Alarm Systems (AREA)
EP90105069A 1989-03-18 1990-03-17 Dispositif de verrouillage contre la mise en circuit simultanée de deux contacteurs commandés mécaniquement ou électromécaniquement Expired - Lifetime EP0388823B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3909061A DE3909061A1 (de) 1989-03-18 1989-03-18 Sperrvorrichtung gegen gleichzeitiges einschalten zweier mechanisch oder elektromagnetisch betaetigter schaltorgane
DE3909061 1989-03-18

Publications (3)

Publication Number Publication Date
EP0388823A2 true EP0388823A2 (fr) 1990-09-26
EP0388823A3 EP0388823A3 (fr) 1991-09-04
EP0388823B1 EP0388823B1 (fr) 1995-03-01

Family

ID=6376748

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90105069A Expired - Lifetime EP0388823B1 (fr) 1989-03-18 1990-03-17 Dispositif de verrouillage contre la mise en circuit simultanée de deux contacteurs commandés mécaniquement ou électromécaniquement

Country Status (3)

Country Link
EP (1) EP0388823B1 (fr)
AT (1) ATE119315T1 (fr)
DE (2) DE3909061A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500406A1 (fr) * 1991-02-21 1992-08-26 Schneider Electric Sa Appareil interrupteur à commande électromagnétique et à condamnation mécanique
WO1997033291A1 (fr) * 1996-03-08 1997-09-12 Siemens Aktiengesellschaft Dispositif de verrouillage pour systeme de commutation isole au gaz avec double barre omnibus
CN102347152A (zh) * 2010-08-03 2012-02-08 富士电机机器制御株式会社 可逆型电磁接触器
CN102473557A (zh) * 2009-08-20 2012-05-23 富士电机机器制御株式会社 可逆电磁接触器
CN102598186A (zh) * 2010-01-29 2012-07-18 富士电机机器制御株式会社 可逆电磁接触器
EP2525381A4 (fr) * 2010-01-14 2016-04-27 Fuji Elec Fa Components & Sys Unité de montage pour contacteur électromagnétique et structure de couplage de contacteur électromagnétique l'utilisant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5526920B2 (ja) 2010-03-26 2014-06-18 富士電機機器制御株式会社 可逆形電磁接触器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264579B (de) * 1964-01-17 1968-03-28 Demag Zug Gmbh Verriegelungsvorrichtung gegen gleichzeitiges Einschalten zweier mechanisch oder elektromagnetisch betaetigter Schuetze
FR2045090A5 (fr) * 1969-05-30 1971-02-26 Unelec
FR2473218A1 (fr) * 1979-12-20 1981-07-10 Cem Comp Electro Mec Dispositif de blocage mecanique de l'un de deux organes de commutation aussi longtemps que l'autre se trouve en position de fermeture
EP0214630A2 (fr) * 1985-09-06 1987-03-18 Omron Tateisi Electronics Co. Appareil électromagnétique combinant une paire de contacteurs dans une unité

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264579B (de) * 1964-01-17 1968-03-28 Demag Zug Gmbh Verriegelungsvorrichtung gegen gleichzeitiges Einschalten zweier mechanisch oder elektromagnetisch betaetigter Schuetze
FR2045090A5 (fr) * 1969-05-30 1971-02-26 Unelec
FR2473218A1 (fr) * 1979-12-20 1981-07-10 Cem Comp Electro Mec Dispositif de blocage mecanique de l'un de deux organes de commutation aussi longtemps que l'autre se trouve en position de fermeture
EP0214630A2 (fr) * 1985-09-06 1987-03-18 Omron Tateisi Electronics Co. Appareil électromagnétique combinant une paire de contacteurs dans une unité

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500406A1 (fr) * 1991-02-21 1992-08-26 Schneider Electric Sa Appareil interrupteur à commande électromagnétique et à condamnation mécanique
FR2673320A1 (fr) * 1991-02-21 1992-08-28 Telemecanique Appareil interrupteur a commande electromagnetique et a condamnation mecanique.
WO1997033291A1 (fr) * 1996-03-08 1997-09-12 Siemens Aktiengesellschaft Dispositif de verrouillage pour systeme de commutation isole au gaz avec double barre omnibus
CN102473557A (zh) * 2009-08-20 2012-05-23 富士电机机器制御株式会社 可逆电磁接触器
EP2469571A1 (fr) * 2009-08-20 2012-06-27 Fuji Electric Fa Components & Systems Co., Ltd. Contacteur électromagnétique réversible
EP2469571A4 (fr) * 2009-08-20 2014-04-16 Fuji Elec Fa Components & Sys Contacteur électromagnétique réversible
CN102473557B (zh) * 2009-08-20 2014-10-22 富士电机机器制御株式会社 可逆电磁接触器
EP2525381A4 (fr) * 2010-01-14 2016-04-27 Fuji Elec Fa Components & Sys Unité de montage pour contacteur électromagnétique et structure de couplage de contacteur électromagnétique l'utilisant
CN102598186A (zh) * 2010-01-29 2012-07-18 富士电机机器制御株式会社 可逆电磁接触器
CN102598186B (zh) * 2010-01-29 2015-01-21 富士电机机器制御株式会社 可逆电磁接触器
CN102347152A (zh) * 2010-08-03 2012-02-08 富士电机机器制御株式会社 可逆型电磁接触器
CN102347152B (zh) * 2010-08-03 2014-05-07 富士电机机器制御株式会社 可逆型电磁接触器

Also Published As

Publication number Publication date
EP0388823A3 (fr) 1991-09-04
DE3909061A1 (de) 1990-09-20
DE59008556D1 (de) 1995-04-06
EP0388823B1 (fr) 1995-03-01
ATE119315T1 (de) 1995-03-15

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