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EP1300866A1 - Relais électromagnétique à action brusque comportant un pont de contact - Google Patents

Relais électromagnétique à action brusque comportant un pont de contact Download PDF

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Publication number
EP1300866A1
EP1300866A1 EP20020022486 EP02022486A EP1300866A1 EP 1300866 A1 EP1300866 A1 EP 1300866A1 EP 20020022486 EP20020022486 EP 20020022486 EP 02022486 A EP02022486 A EP 02022486A EP 1300866 A1 EP1300866 A1 EP 1300866A1
Authority
EP
European Patent Office
Prior art keywords
contact
relay according
spring element
spring
connection
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.)
Withdrawn
Application number
EP20020022486
Other languages
German (de)
English (en)
Inventor
Dieter Schwenkedel
Frank HÖNIG
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.)
AFL Germany Electronics GmbH
Original Assignee
AFL Germany Electronics 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 AFL Germany Electronics GmbH filed Critical AFL Germany Electronics GmbH
Publication of EP1300866A1 publication Critical patent/EP1300866A1/fr
Withdrawn legal-status Critical Current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
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/68—Driving arrangements between movable part of magnetic circuit and contact with snap action

Definitions

  • the invention relates to a relay, in particular a voltage higher than 12 Volt switching relay, preferably a relay for 42 volt electrical systems in Motor vehicles, comprising a housing, two penetrating the housing and over this protruding contact elements, one arranged in the housing Magnet coil, a pivoted in the housing and by means of the Magnetic coil movable armature, by means of which a contact bridge between a contact position electrically connecting the contact elements and one Interrupt position is movable.
  • a relay in particular a voltage higher than 12 Volt switching relay, preferably a relay for 42 volt electrical systems in Motor vehicles, comprising a housing, two penetrating the housing and over this protruding contact elements, one arranged in the housing Magnet coil, a pivoted in the housing and by means of the Magnetic coil movable armature, by means of which a contact bridge between a contact position electrically connecting the contact elements and one Interrupt position is movable.
  • the invention is therefore based on the object of creating a relay which voltages higher than 12 volts works reliably.
  • the spring element is designed in this way is that when changing from one spring state to another the contact bridge moves with greater angular acceleration than it moves the anchor moves, so that the spring element serves, despite "slower” movement of the armature the contact bridge with greater angular acceleration from the contact position to the interrupt position or to be reversed.
  • Lever mechanisms such as spring-loaded toggle mechanisms to realize that have two stable buckling states, for example.
  • the spring states are due to shape states of the spring element are formed, in each of which by the anchor is transferred.
  • the spring states can be such that a spring state is a stable shape state while the other spring state is on is unstable shape.
  • the spring states are the same Ways are stable shape states of the spring element, which over a unstable intermediate state are separated.
  • the anchor only needs to be designed so that when changing from one spring state to the other spring state the required Can apply force, but not so that it is in one of the spring states must exert a particularly high force to hold the same.
  • the shape states can in principle be multidimensional bending states be, i.e. bending states of plate-like spring elements.
  • a particularly simple solution provides for the shape states to be one-dimensional Bending states of the spring element are.
  • the one-dimensional bending states can preferably be achieved by that the spring element is clamped between counter bearings and due to the clamping two different bending states as Let form states develop.
  • the spring element is designed as a leaf spring element and the bending states by bending states of the leaf spring element.
  • a preferred design of the relay provides that the spring element in the starting position of the armature, the contact bridge in the open position holds and that the spring element in the tightened position the anchor holds the contact bridge in the contact position.
  • the bending states are preferably chosen so that the spring element bent away from the contact elements in a first bending state and is bent towards the contact elements in a second bending state is.
  • the spring element be independent of To store anchors in the housing, for example clamped between abutments to store, and only act on the anchor on the spring element to move it back and forth between the spring states.
  • the spring element is firmly connected to the anchor and is also stored by this in the housing.
  • the spring element at least has a spring leg which is clamped between two abutments and is supported with it.
  • a particularly favorable solution provides that the spring element on the one hand via the anchor as an abutment and on the other hand via a housing-fixed arranged abutment is supported.
  • This option allows the spring element in the housing via the anchor to be stored and additionally supported on an abutment fixed to the housing, around the spring element the desired spring states to rent.
  • the spring element has two spring legs arranged at a distance from one another, which extend from a contact bridge holder to an abutment and thus between the contact bridge holder and the abutment are clamped.
  • a contact bridge holder between the spring legs connected actuating leg provided by the Anchor can be actuated.
  • the actuating leg is fixed to the anchor and thus not only an actuation of the spring element via the actuating leg but takes place via the actuating leg Contact bridge holder over the pivotable mounting of the armature, so that ultimately over the actuating arm of the armature in turn as an abutment for the contact bridge holder works.
  • the actuating leg has a flexible connection forms between the armature and the contact bridge holder and thus the spring element allows the contact bridge with greater angular acceleration to move as the anchor moves.
  • the spring element preferably carries the contact bridge with the Contact bridge holder.
  • the spring element with a the contact bridge retaining twistable element is provided, so that not the need exists that the spring element holding the contact bridge so exactly position that the contact bridge in the switch position with essentially the same force rests on the contact elements, as this is possible due to the twistable Element can be compensated.
  • twistable element is a spring bar is.
  • twistable Element is integrally formed on the spring element.
  • connection of the connection elements with external lines were in connection with the previous explanation of the individual embodiments no details given.
  • a particularly advantageous exemplary embodiment provides that the contact elements have projecting connector elements, and that each have a connection element with one of the connection counterparts a longitudinal axis of the same rotatable electrical connection.
  • connection counterpart rotatable connection between the connection counterpart and the corresponding connection element the possibility was created of lines via the connection counterpart to compensate for the applied torsional forces, as there is a connection counterpart can rotate relative to the connector accordingly.
  • connection elements can in principle be of any design.
  • connection elements are cylindrical contact pins to the longitudinal axis.
  • Such contact pins are particularly simple elements, on the one hand easy to make and on the other hand a simple connection with the Allow connection elements, especially if this should be rotatable.
  • connection counterparts Have connection sleeves.
  • connection sleeves could be connected directly to the contact pins.
  • the connecting sleeves with Contact inserts are provided.
  • the contact inserts it would be conceivable for the contact inserts to have individual projections to provide which has a favorable contact with the contact pins result.
  • a particularly advantageous embodiment provides that the contact inserts are designed as contact cages which enclose the contact pins and thus for a favorable electrical contact for high currents between provide this and the connecting sleeves.
  • a particularly favorable design of the contact cages provides that this Have contact blades so that over the contact blades, preferably are resilient and curved, good electrical contact can be achieved is.
  • the electrical contact suitable for high currents can be particularly inexpensive then realize if the contact blades in the axial direction and in the azimuthal direction run around a central axis of the contact cage. Such one The course of the contact lamellae allows a particularly favorable nestling to reach the same on the contact pins.
  • the contact blades preferably run at least in partial sections helical or curved around the central axis of the contact cage.
  • connection housing For a quick connection between the contact pins and the connection counterparts To produce, it is preferably provided that the connection counterparts are arranged in a connection housing.
  • a junction box is for example a housing made of an insulating material, preferably plastic.
  • connection counterparts are rotatably arranged in the connection housing are, with several connection counterparts independently are rotatably arranged in the connection housing.
  • the contact elements are often as Bracket made of flat material.
  • the contact elements form free-standing contact bodies, which are preferably rise above a carrier body of the housing and, for example are shaped like columns.
  • the contact bodies are expediently on the end face, preferably on provide the side opposite the carrier body with contact parts, which in turn then interact with the contact bridge to create an electrical conductive contact between the contact elements by means of the contact bridge manufacture.
  • the contact parts are preferably made of silver or palladium-silver and applied to the contact elements by plating processes.
  • a first embodiment of a relay according to the invention shown in Figures 1 to 4, comprises a part of a housing and as a whole with 10 designated support body, on which a lower Leg 12 of a yoke 14 designated as a whole rests.
  • the magnetizable core 18 has one facing away from the lower leg 12 End face 20, which an armature 22 is arranged opposite, the armature 22 on a transverse to the lower leg 12 of the yoke 14 extending cross leg 24 of the yoke 14 pivotable about an axis 26 is stored.
  • the armature 22 is pivotally mounted, as shown in FIG. 4, through a cutout 28 in the cross leg 24 of the yoke 14, the cutout 28 forms a support surface 30 facing the carrier body 10 which the armature 22 rests with a bearing web 32, the bearing web 32 between side walls 34a and 34b of the cutout 28 in the direction of the axis 26 is performed.
  • the armature 22 thus comprises one of the end faces 20 of the magnetizable core 18 opposite anchor plate 36, to which the bearing web 32 connects and on a side of the bearing web opposite the anchor plate 36 32 an extension 38 on which a tension spring 40 with one end 42 attacks while an opposite end 44 of the tension spring 40 either is mounted on the carrier body 10 or on the lower leg 12 of the yoke 14.
  • the armature 22 When the coil 16 is not energized, the armature 22 is in a starting position, in which the tension spring 40 has the tendency to move the armature 22 as far as possible from the Front 20 of the magnetizable core 18 to move away.
  • This starting position is defined by a stop lug 46, which with a the cross arm 24 of the yoke 14 connected stop arm 48 is held.
  • the stop lug 46 sits over the anchor plate 36 of the Anchor 22
  • the extension 38 is wider than the cutout 28 so that the extension 38 with lugs 50a and 50b protruding laterally beyond the cutout 28 the cross leg 24 of the yoke 14 abuts.
  • the anchor plate is also 36 wider than the cutout 28 and thus lies with projections 52a, b on the side of the bearing web 32 and thus also on the side of the cutout 28 the transverse leg 24 of the yoke 14 on the lugs 50a and 50b opposite Sides of the same.
  • two contact elements 60 and 62 is provided, which have contact carrier bodies 64 and 66, which are column-like or cone-like over the support body 10 and on which Contact parts 68 and 70 are plated on the end face.
  • the contact parts 68 and 70 are preferably made of silver or palladium-silver in the form of a Layer on an end face 72 or 74 facing away from the carrier body 10 Contact carrier body 64 and 66 applied.
  • Support flanges 76 and 78 provided, which are preferably in the radial direction to a longitudinal axis 80 or 82 of the respective contact element 60 or 62 extend beyond the contact carrier bodies 64 and 66 and on a corresponding one Support surface of the support body 10 rest.
  • the contact elements 60 and 62 penetrate with lugs 88 and 90 the carrier body 10, the lugs 88 and 90 by additional positive locking elements 92 and 94 on the carrier body 10, for example by caulking Claws that are anchored.
  • Approaches 88 and 90 are then preferably coaxial with the Longitudinal axes 80 and 82 arranged contact pins 96 and 98.
  • the contact elements 60 and 62 according to the invention are preferably as Turned parts formed so that the contact pins 96 and 98 and the contact carrier body 64 and 96 as well as the support flanges 76 and 78 and the approaches 88 and 90 are arranged coaxially to one another.
  • a contact bridge designated as a whole with 100 is provided, which a contact bridge carrier 102 and mating contacts held thereon 104 and 106, which on the contact parts 68 and 70 in a switching position of the relay, shown in Fig. 2, can be applied and in an interrupted position are at a sufficient distance from them.
  • the contact bridge carrier 102 is in turn with a spring element 110 connected, which with one of the contact bridge 100 facing front section 112 forms a contact bridge holder, on which the Web 108 attacks, the web 108 and the contact bridge carrier 102 preferably are integrally formed on the spring element 110 and these are formed from a leaf spring piece, for example punched out.
  • the web 108 preferably forms a torsion spring element, which a Tilting the contact bridge carrier 102 about a transverse to the axis 26 and also has a tilt axis 114 running transversely to the contact bridge carrier 102, which lies between the mating contacts 104 and 106, so that in the contact position both mating contacts 104 and 106 to the corresponding contact parts 68 and 70 are applied even if the contact bridge holder 112 is not is aligned exactly parallel to the contact parts 68 and 70, in which case the Web 108 experiences a slight torsion.
  • the spring element 110 also has two from the contact bridge holder 112 in the direction of the cross leg 124 extending spring legs 116 and 118, the ends 120 facing away from the contact bridge holder 112 and 122 on the side of the cutout 28 on the cross leg 28, for example Support in recordings 124 and 126.
  • An actuating limb 130 also leads from the contact bridge holder 112 in the direction of the armature 22 and is preferably on the face 20 of the magnetizable core facing away from the armature plate 36 and is for example in the area of a connection point 132 either by a Riveted connection or a welded connection or a similar connection firmly connected to the anchor plate 36, the actuating leg 130 of the Spring element 110 between the connection point 132 and the Contact bridge holder 112 still forms a flexible portion 134 that it allows the contact bridge holder 112 to move from the position of the anchor plate 36 may have a different position.
  • the two shape states of the spring element 110 now lead to the fact that when the unstable intermediate state passes through, the first form state suddenly changes to the second shape state or the second shape state suddenly in the first shape, with the appropriate preload the spring legs 116 and 118 faster than the anchor plate 36 emotional.
  • the flexible section 134 of the actuating leg 130 serves Spring element 110 to the contact bridge holder 110 mobility to give relative to the anchor plate 36 to movements over one larger angular distance than the angular distance of the anchor plate 36 between the starting position and that lying against the end face 20 attracted position corresponds.
  • the two shape states of the spring element 110 allow still further advantageously a contact distance in the open position reach the contact bridge 100 from the contact parts 68 and 70, which corresponds to a larger angular distance than the angular distance of Anchor plate 36 from the end face 20 in the starting position, so that by the two shape states of the spring element 110 in particular for Voltages in the 42 volt range have considerable advantages over conventional ones Relay designs can be reached.
  • the contact elements are usually 60 and 62 connected to the supply lines by a screw connection.
  • Connection counterpart 140 For receiving these contact pins there is one for each of the contact pins 96, 98 Connection counterpart 140 is provided, which has a connecting sleeve 142 and a contact cage 144 inserted into the connecting sleeve 142, which a connection that can withstand high currents between the connection sleeve 146 and the corresponding contact pin 96 or 98.
  • the contact cage 144 is designed so that it has an upper plate carrier 146 and a lower plate carrier 148, between which there are extend at a distance from each other contact blades 150, the however not parallel to a central axis 152 of the connecting sleeve 142 and thus also of the connection counterpart 150, but also in the azimuthal direction around the central axis 152, for example helix-like, and in in this way also on an outside of the contact pins 96 or 98 can.
  • the contact cage 144 is formed such that the lamella 150 between the disk carriers 146 and 148 in the direction of the central axis 152 are bent and thus a kind between the lamella supports 146 and 148 Have a bottle neck shape or hourglass shape with a radial constriction 154.
  • the bend in the direction of the central axis 152 to form a constriction 154 and its course in the azimuthal direction becomes one with high current loadable connection between the connecting sleeve 142 and the respective contact pin 96 and 98 possible, which has the further advantage has that the connecting sleeve 142 despite current-carrying electrical connection with the respective contact pin 96 and 98 about the longitudinal axis 80 and 82 of the respective contact pin 96 or 98 is rotatable.
  • connection sleeve 142 with a cable 160 for example by a crimp connection or a solder connection to the electrical conductors 162 of the cable 160, connected, so the connection between the Connection sleeve 142 and the respective contact pin 96 or 98 of the cable Compensate 160 outgoing torsional loads, namely that the Connection sleeve 142 around the respective longitudinal axis 80 or 82 of the corresponding contact pin 96 or 98 rotates.
  • the connecting sleeve 142 can be the contact cage 144th receiving section 164 straightened or angled to with the section 166 connected to respective electrical conductors 162.
  • connection counterparts 140 for the contact pins 96 or 98 for example arranged in a common housing 170, so are preferred both connection counterparts 140 in the housing 170 independently of one another held rotatable.
  • connection sleeve 142 with a Projection 172 is provided, which engages in a groove 174 of the housing 170, while the entire connection sleeve 142 rotatable in a cylindrical Breakthrough 176 of the housing is held. So even when standing Housing 170 the respective connection sleeve 142 in this to the corresponding Longitudinal axis 80 or 82 of the corresponding contact pin 96 or Turn 98 and thus compensate for torsional loads on the part of the cable 160.
  • connection counterpart 140 and the corresponding Contact pin 96 or 98 there is also the possibility of securing the electrical Connection between the connection counterpart 140 and the corresponding Contact pin 96 or 98, the housing 170 relative to the carrier body 10 as part of a housing of the relay, not shown overall, for example by a snap or snap connection or another connection to define and thereby a sliding of the respective connection counterpart To prevent 140 from the corresponding contact pin 96 and 98 without the torsional compensation between the connection counterpart 140 and to hinder the corresponding contact pin 96 or 98.
  • the mating contacts 104 'and 106' are not at Contact bridge carrier 102 held directly, but on a carrier plate 103, which is connected to the contact bridge carrier 102.
  • the carrier plate 103 extends over the mating contacts 104 'and 106 'and establishes an electrical connection between them.
  • the counter contacts 104 'and 106' are preferably on the carrier plate 103 applied by plating.
  • the counter contacts 104 "and 106" formed by a common plating 105 which is applied to the carrier plate 103 and over the entire Carrier plate 103 extends so that both the mating contact 104 "and the Mating contact 106 "can be formed by the continuous plating.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
EP20020022486 2001-10-08 2002-10-05 Relais électromagnétique à action brusque comportant un pont de contact Withdrawn EP1300866A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10150393 2001-10-08
DE10150393A DE10150393A1 (de) 2001-10-08 2001-10-08 Relais

Publications (1)

Publication Number Publication Date
EP1300866A1 true EP1300866A1 (fr) 2003-04-09

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ID=7702286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020022486 Withdrawn EP1300866A1 (fr) 2001-10-08 2002-10-05 Relais électromagnétique à action brusque comportant un pont de contact

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US (1) US20040212467A1 (fr)
EP (1) EP1300866A1 (fr)
DE (1) DE10150393A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2187420A2 (fr) 2008-11-15 2010-05-19 TYCO Electronics Austria GmbH Relais doté d'un ressort à déclic

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8093970B2 (en) * 2007-10-12 2012-01-10 Montara Technologies LLC Braided electrical contact element based relay
JP5222669B2 (ja) * 2008-09-16 2013-06-26 富士通コンポーネント株式会社 電磁継電器
DE102018106047A1 (de) * 2018-03-15 2019-09-19 Schunk Bahn- Und Industrietechnik Gmbh Kontakteinheit
CN119252710B (zh) * 2024-12-02 2025-06-03 深圳市优界科技有限公司 一种铁芯铆接设备的工作方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB749994A (en) * 1952-03-24 1956-06-06 Sidney Geoffrey Young Improvements relating to snap-action electric switches
US2753416A (en) * 1953-05-05 1956-07-03 Essex Wire Corp Snap action relay
US2825784A (en) * 1955-04-12 1958-03-04 Barth Engineering And Mfg Co I Electromagnetic relay
US2883488A (en) * 1956-10-22 1959-04-21 Cav Ltd Electromagnetically operable electric switches
US4258344A (en) * 1979-04-05 1981-03-24 Kabushiki Kaisha Saginomiya Seisakusho Small-sized power relay
EP1081796A1 (fr) * 1999-08-31 2001-03-07 Interconnectron GmbH Contact à haute intensité

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925742A (en) * 1974-06-25 1975-12-09 Fasco Industries Mechanical latch relay
US4701734A (en) * 1986-03-27 1987-10-20 Niles Parts Co., Ltd. Hinge type relay
DE58904759D1 (de) * 1988-02-19 1993-07-29 Siemens Ag Elektromagnetisches relais.
TW343782U (en) * 1997-03-07 1998-10-21 Winbond Electronics Corp A manual reset latch relay
US6426689B1 (en) * 1999-10-26 2002-07-30 Matsushita Electric Works, Ltd. Electromagnetic relay
JP2002100275A (ja) * 2000-07-18 2002-04-05 Nagano Fujitsu Component Kk 電磁継電器
US6636141B2 (en) * 2001-07-10 2003-10-21 Yingco Electronic Inc. Controllable electronic switch
DE10162585C1 (de) * 2001-12-19 2003-04-24 Gruner Ag Prellreduziertes Relais

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB749994A (en) * 1952-03-24 1956-06-06 Sidney Geoffrey Young Improvements relating to snap-action electric switches
US2753416A (en) * 1953-05-05 1956-07-03 Essex Wire Corp Snap action relay
US2825784A (en) * 1955-04-12 1958-03-04 Barth Engineering And Mfg Co I Electromagnetic relay
US2883488A (en) * 1956-10-22 1959-04-21 Cav Ltd Electromagnetically operable electric switches
US4258344A (en) * 1979-04-05 1981-03-24 Kabushiki Kaisha Saginomiya Seisakusho Small-sized power relay
EP1081796A1 (fr) * 1999-08-31 2001-03-07 Interconnectron GmbH Contact à haute intensité

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2187420A2 (fr) 2008-11-15 2010-05-19 TYCO Electronics Austria GmbH Relais doté d'un ressort à déclic
DE102008057555A1 (de) 2008-11-15 2010-05-20 Tyco Electronics Austria Gmbh Relais mit Flip-Flop-Feder
DE102008057555B4 (de) * 2008-11-15 2010-08-12 Tyco Electronics Austria Gmbh Relais mit Flip-Flop-Feder

Also Published As

Publication number Publication date
US20040212467A1 (en) 2004-10-28
DE10150393A1 (de) 2003-04-17

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