EP2831901A1 - Relais comportant deux commutateurs agissant de façon opposée l'un par rapport à l'autre - Google Patents

Relais comportant deux commutateurs agissant de façon opposée l'un par rapport à l'autre

Info

Publication number
EP2831901A1
EP2831901A1 EP13715166.8A EP13715166A EP2831901A1 EP 2831901 A1 EP2831901 A1 EP 2831901A1 EP 13715166 A EP13715166 A EP 13715166A EP 2831901 A1 EP2831901 A1 EP 2831901A1
Authority
EP
European Patent Office
Prior art keywords
relay
switch
armature
contact
electromagnetic
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
EP13715166.8A
Other languages
German (de)
English (en)
Other versions
EP2831901B1 (fr
Inventor
Ralf Hoffmann
Jens Heinrich
Christian Mueller
Olaf Abel
Thomas Kuehne
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP2831901A1 publication Critical patent/EP2831901A1/fr
Application granted granted Critical
Publication of EP2831901B1 publication Critical patent/EP2831901B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H01H51/2281—Contacts rigidly combined with armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H01H51/2281—Contacts rigidly combined with armature
    • H01H51/229—Blade-spring contacts alongside armature

Definitions

  • the invention relates to an electromagnetic relay with an electromagnetic system, an armature, a first switch and a second switch.
  • Known relay of this type EP 0 197 391 A2, US
  • Electromagnet system with at least one coil, one
  • the relay housing faces the opposing relay ends
  • Torsion springs is pivotally connected to the main body and has two leaf springs with movable contacts at the ends.
  • a base body which surrounds the excitation coil trough-shaped and both sides each one
  • Contact chamber forms, each containing a main contact, which are actuated via slide by an armature which is formed at the end of a yoke as a one-armed lever and at the free end an additional
  • DE 197 05 508 C1 shows an electromagnetic relay with a three-pole permanent magnet, which is joined between the pole pieces of the spool core and has a rotary coupling surface on which a two-armed armature of the relay is mounted. Each anchor end actuated via an associated
  • Sliders each have a switch on the bottom of the relay, where the pins are located.
  • WO 93/23866 AI discloses a polarized power relay with a rocker armature on the relay top and a contact set with contact spring on the bottom of the relay.
  • a movable slider of insulating material couples one of the armature ends to the movable end of the contact spring to open or close the contact spring set depending on the armature position.
  • a base plate is provided with pins on which two movable load contact springs can be actuated transversely to the base plate plane between load fixed contacts.
  • an actuating pin bearing rocker arm is mounted pivotably parallel to the base plate plane and cooperates with pole plates, which comprise the ends of a permanent magnet angular.
  • a coil having two windings and a core is disposed between the pole plates adjacent to the rocker armature.
  • a foil with coil terminals connects the windings to associated pins on the coil
  • the invention is based on the object to provide a relay with the smallest possible space and high sensitivity, in which a switch is suitable as a diagnostic switch the armature position and another switch as a load switch for currents with higher amperage.
  • the electromagnetic relay includes a
  • the pole pieces extend in the transverse direction and carry at a first relay side in the longitudinal direction extending magnetic poles with which a two armature leg exhibiting relay armature works together.
  • a first switch is arranged, which can be used as a diagnostic switch.
  • the first switch has at least one stationary fixed contact and a
  • the first switch is connected to power connections which, starting from a second one, oppose the first relay side
  • a second switch which can be used as a load switch, is arranged on the second relay side and comprises at least one stationary fixed contact and a movable contact attached to a contact spring.
  • the movable contact is driven by an electrically insulating coupling member from the second anchor legs.
  • the power connections of the second switch are arranged close to the second relay end on the second relay side, which forms the side facing away from the armature underside of the relay.
  • the two switches are far from each other, as it were arranged at diagonally spaced locations on the relay.
  • the armature-near first switch is directly through the
  • the second switch located at the bottom of the relay, is used as a load switch because there is enough room at this point to accommodate appropriately sized contacts through which the load current, even at higher amperes, should flow.
  • the contacts of the two switches are arranged on each opposite side of the coil in the longitudinal direction and move transversely to
  • the first leg of the rocker armature is the first switch
  • the contact sets of the switches therefore assume antivalent switching states.
  • the armature close first switch is operated as a normally closed contact and the second, used as a load switch
  • the load switch which is driven via the coupling member, is further actuated by an anchor-mounted spring, the
  • Coupling link drives This improves the normally closed and normally open functions of the circuit breaker.
  • the relay according to the invention may include a pole assembly and a coil assembly, which greatly facilitates the manufacture of the relay. Namely, the pole assembly can be manufactured with a magnetized permanent magnet outside the assembly with the coil assembly, whereby
  • Pole assembly and the fixed contacts of the switch mounted in a support member.
  • the items of the Polbaugrupp and the fixed contacts are expediently in the
  • the support member is designed floor-like, so that the coil assembly can be inserted into the support member as in a drawer.
  • the support member may on its underside a
  • Busbar included, which forms a current loop together with the contact spring of the circuit breaker, which exerts an additional closing force on the load switch in short-circuit current.
  • At anchor can be mounted a one-piece spring element which is effective at one end as a contact spring of the switch and at the other end as an actuating spring (return spring) of the armature. Further details of the invention will become apparent from the embodiments described below with reference to the drawings.
  • 1 shows a perspective view of a first
  • Fig. 2 shows a longitudinal section through the relay
  • FIG. 3 is a perspective view of a support member obliquely from above on a longitudinal side and an end face
  • Fig. 4 is a perspective view of a
  • Fig. 5 is an exploded view of the items of
  • Fig. 6 shows a second embodiment of the relay in
  • Fig. 8 is an exploded view of the relay.
  • the electromagnetic relay is composed of a magnet system and a switch system (including a diagnostic switch 20 and a load switch 30), which are provided by Housing parts are held together and protected.
  • the magnet system includes an electromagnet that over
  • Magnetic flux parts 7, 8, 9 with a permanent magnet 11 and an armature 12 is connected.
  • Main part of the electromagnet is a coil assembly 10, which consists of a on a
  • the core 2 can work with one of the
  • the magnetic flux parts 7 and 8 form the poles of the electromagnet.
  • the magnetic flux part 9 forms a bearing piece for the armature 12 designed here as a rocker armature.
  • the permanent magnet 11 is at the first
  • Terminal block 6 connected to the coil assembly 10, which is favorable for a compact design of the relay.
  • Test contact pin 25 is formed cranked and can be clamped between terminal block 6 and pole piece 3.
  • the component shown in Figure 4 is designed to be slid and mounted in a drawer 42 of a story-like support member 40 ( Figure 3).
  • the drawer 42 has two cavity extensions 43 and 44, in addition to the coil assembly 10 and the Terminal block 6 record and position.
  • the carrier component 40 in Fig. 3 still has the second
  • Test contact pin 26 and an associated
  • Support member 40 to fix.
  • the floor-like support component 40 is also responsible for receiving the magnetic flux parts 7, 8 and 9 and the permanent magnet 11. For this purpose, one is in niches
  • split upper side cavity 41 is provided.
  • Support member 40 attached. On the top of
  • Support member 40 are depending on the type of construction Fig. 3, 4 or Fig. 1, 5, a fixed contact 21 or two fixed contacts 21, 21 a provided with the terminal pins 25, 26 in
  • the switch system includes a diagnostic switch 20 and at least one load switch 30 which, with respect to the relay, is located at diagonally opposite locations
  • the diagnostic switch 20 includes the
  • the contact spring 23 is mounted.
  • the contact spring is fixed to the leg 12a of the armature 12 and is actuated by the latter.
  • the movable contact 22 establishes the electrical connection with the terminal pin 25. In the case of using two fixed contacts 21, 21a side by side, the movable contact 22 bridges these two Fixed contacts, so that a closed current path via the connection pins 25, 26 is formed.
  • the load switch 30 comprises a fixed contact 31 and a movable contact 32 which sits on a contact spring 33 which is attached via a busbar 34 to the support member 40 and beyond with a
  • Load terminal pin 35 is in electrical connection.
  • the fixed contact 31 is connected to a further load terminal pin 36 in a conductive connection.
  • the armature 12 has, in addition to its two legs 12 a and 12 b, a bent bearing part 12 c, with which the armature 12 is seated on the bearing piece 9.
  • Leg 12a, 12b of the armature 12 different lengths and are with different pole gap widths
  • Spring elements held Such spring elements can be formed by parts of the contact spring 23, an overstroke spring 38 and the contact spring 33.
  • the contact spring 23 is riveted to the leg 12a of the armature 12 or otherwise
  • an armature spring extension consisting of a spring bar 23 a, a torsion spring 23 b and a mounting tabs 23 c. With the fastening tabs 23 c, the armature 12 is in a certain angular position to the
  • the overstroke spring 38 is with its free end in a slot of the insulating Coupling member 37 mounted to the drive connection between the leg 12b of the armature with the insulating coupling member 37 and thus the switch 30 to
  • the insulating coupling member 37 may also be pivotally mounted directly on the armature 12. in the
  • the overstroke spring on an armature spring extension comprising a spring bar 38 a, a torsion spring 38 b and a mounting tabs 38 c, the fixedly welded to the bearing piece 9 or otherwise
  • the overall spring behavior of the relay is determined by the interaction of the spring forces of the spring extensions 23a, 23b and 38a, 38b with the contact spring 33. In addition to the spring forces also play the magnetic
  • Attraction force in both end positions of the armature is greater than the effective spring force in the lifting direction, there is a bistable relay.
  • the contact spring 23 has a free end
  • Bridge contact effective to switch the flow of current between the end pins 25, 26.
  • the support member 40 has on its underside a
  • Busbar 34 in which the load pin 25 is mounted.
  • the load contact spring 33 is riveted to the busbar 34 to extend along the busbar 34 and the underside of the support member 40 until reaching the insulating coupling member 37 and to be linked to the lower end of the coupling member.
  • Cavity 45 (FIG. 2), which serves to receive the load contact spring 33 and its movement clearance to the fixed contact 31.
  • the fixed contact 31 is riveted to the load pin 36 and this in turn attached to the housing bottom 50.
  • an attachment to the support member 40 comes into consideration.
  • attachment methods embedding in Plastic, overmolding, glue or clamps are applied.
  • Housing cover 60 makes it possible to change the position of the armature 12.
  • the load switch 30 is open when the coil 1 is de-energized. When the coil 1 is flowed through by a sufficiently strong control current, the electromagnet ensures that the armature 12
  • movable contact 32 should be welded to the fixed contact 31, the right in Fig. 2 leg of Over-stroke spring 38 tensioned until the movable contact 32 is torn off the fixed contact 31.
  • Coil assembly 10 receives.
  • Permanent magnet shows 11 north poles or south poles.
  • the magnetic flux part 9 conveys the adjoining polarity, for example, south pole when the permanent magnet points out north pole, and north pole when the permanent magnet faces south pole.
  • the bearing of the armature 12 is modified relative to the first embodiment by a cross spring 39, the mounting of the armature 12 on the
  • the cross spring 39 has tabs 39a, with which it is connected to the magnetic flux part 9 by welding, also a torsion bar 39b and transverse to a support tabs 39c for supporting the armature 12. On the cross spring 39 can still be another tab 39d attached, the for damping the impact of the
  • Anchor 12 is useful, since the anchor then easier from the magnetic flux part 8 dissolves.
  • the cross spring 39 acts as
  • the second embodiment has a one-piece design of contact spring 23 and overstroke spring 38.
  • the contact spring 23 is electrically conductive and connected to the electrically conductive armature 12, which in turn via the electrically conductive spring 39 with the cross
  • electrically conductive magnetic flux part 9 is connected, which in turn in electrically conductive connection with the
  • Test contact pin 25 is. To adapt the adhesive force of the armature 12 at the leg 12b to the magnetic flux part 8, an intermediate piece 8a made of sheet metal or plastic is still provided. Because of the

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

L'invention concerne un relais électromécanique comportant un système magnétique et un induit basculant (12). Un commutateur de diagnostic (20) est situé sur un côté du relais, et son jeu de contacts (21, 22) est entraîné par la branche voisine (12a) de l'induit (12). Un interrupteur à coupure en charge (30) est situé sur le côté inférieur du relais et est entraîné par la seconde branche (12b) de l'induit (12) par l'intermédiaire d'un élément d'accouplement isolant (5).
EP13715166.8A 2012-03-30 2013-03-27 Relais comportant deux commutateurs agissant de façon opposée l'un par rapport à l'autre Active EP2831901B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012006438A DE102012006438A1 (de) 2012-03-30 2012-03-30 Relais mit zwei gegensinnig betätigbaren Schaltern
PCT/EP2013/056570 WO2013144232A1 (fr) 2012-03-30 2013-03-27 Relais comportant deux commutateurs agissant de façon opposée l'un par rapport à l'autre

Publications (2)

Publication Number Publication Date
EP2831901A1 true EP2831901A1 (fr) 2015-02-04
EP2831901B1 EP2831901B1 (fr) 2016-03-09

Family

ID=48083127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13715166.8A Active EP2831901B1 (fr) 2012-03-30 2013-03-27 Relais comportant deux commutateurs agissant de façon opposée l'un par rapport à l'autre

Country Status (7)

Country Link
US (1) US9275815B2 (fr)
EP (1) EP2831901B1 (fr)
JP (1) JP5797351B2 (fr)
CN (1) CN104221120B (fr)
DE (1) DE102012006438A1 (fr)
ES (1) ES2568492T3 (fr)
WO (1) WO2013144232A1 (fr)

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US10566888B2 (en) 2015-09-08 2020-02-18 Apple Inc. Linear actuators for use in electronic devices
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JP6471678B2 (ja) * 2015-10-29 2019-02-20 オムロン株式会社 接触片ユニット及びリレー
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Also Published As

Publication number Publication date
US20150042423A1 (en) 2015-02-12
CN104221120A (zh) 2014-12-17
WO2013144232A1 (fr) 2013-10-03
DE102012006438A1 (de) 2013-10-02
JP5797351B2 (ja) 2015-10-21
CN104221120B (zh) 2016-08-17
JP2015511762A (ja) 2015-04-20
EP2831901B1 (fr) 2016-03-09
US9275815B2 (en) 2016-03-01
ES2568492T3 (es) 2016-04-29

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