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EP0846330B1 - Relais electromagnetique et son utilisation sur une carte de circuits imprimes - Google Patents

Relais electromagnetique et son utilisation sur une carte de circuits imprimes Download PDF

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Publication number
EP0846330B1
EP0846330B1 EP96923819A EP96923819A EP0846330B1 EP 0846330 B1 EP0846330 B1 EP 0846330B1 EP 96923819 A EP96923819 A EP 96923819A EP 96923819 A EP96923819 A EP 96923819A EP 0846330 B1 EP0846330 B1 EP 0846330B1
Authority
EP
European Patent Office
Prior art keywords
contact
spring
base body
armature
relay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96923819A
Other languages
German (de)
English (en)
Other versions
EP0846330A1 (fr
Inventor
Josef Kern
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0846330A1 publication Critical patent/EP0846330A1/fr
Application granted granted Critical
Publication of EP0846330B1 publication Critical patent/EP0846330B1/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
    • H01H50/54—Contact arrangements
    • 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
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit

Definitions

  • a relay of the type mentioned is off, for example known from DE 28 54 591 A1.
  • the contact spring as Armature return spring attached to the yoke, and the associated connection element is on the opposite side with the Yoke connected.
  • the contact spring as Armature return spring attached to the yoke, and the associated connection element is on the opposite side with the Yoke connected.
  • the aim of the present invention is an electromagnetic Relay of the type mentioned in such a way that it can switch high currents with good space utilization few simple parts is inexpensive to manufacture and with largely the same individual parts both as single relays as well as double or multiple relays can.
  • this goal is achieved in that the Contact spring two in the area of the armature bearing U-shaped with each other connected spring legs forms, the ends of which in the Close to each other near the movable anchor end, that a first spring leg as a return leg with the contact spring connecting element is connected and that the second spring leg connected as a contact leg to the anchor is and at its free end with the mating contact element cooperates to make contact.
  • the contact spring provided according to the invention receives via the U-shaped contiguous two spring legs an adequate Feather length with a relatively large feather width Management of higher switching currents. Since the spring is below the Anchor lies immediately above the floor slab and over there their return leg directly with the connecting element is connected, the current path can also be kept short and ensure a low contact resistance. To achieve of a large spring cross section, it is advisable that the contact spring with its two spring legs approximately covers the entire area below the anchor, whereby the ends of the spring legs over the movable anchor end protrude and the contact spring connecting element as well like the counter-contact element in the area in front of the movable one Anchor ends are anchored in the base plate and against each other angled towards the free ends of the spring legs are.
  • the U-shape of the contact spring can, for example can be obtained in that the two spring legs from one cut out essentially flat spring plate and if necessary only be provided with pretension bends.
  • the two spring legs by a U-shaped fold the contact spring by 180 °, the ends of the spring legs opposite to each other up to half of the Total spring width are cut out; in this way the relevant end sections can be pivoted against each other without bumping into each other - while in the area the U-shaped bend the total spring width for the Power supply is available.
  • the contacting sections of the contact spring and the Mating contact element as well as the contact spring connecting element protrude over the area of the coil base to on the one hand a large feather length and on the other hand simple to produce producible magnetic circuit parts with large pole faces, arises over these contacting sections and a free space in front of the coil that can be used for other purposes can. If an approximately cuboid cap on the relay is turned over, this free space inside the cap can Inclusion of additional components, such as resistors or Diodes or a control module can be used. Becomes on the other hand, one above the contacting sections Coil set back cap used, so that in this Trap free space outside the case as well used to arrange other components, whose connecting wires then next to the relay in the circuit board be contacted.
  • the relay shown in Figures 1 to 5 has one Base body 1 of generally L-shaped shape, namely with a substantially horizontal base plate 11 and one vertical bracket part 12.
  • the terms “Horizontal” and “Vertical” refer to the whole Description on a horizontal installation position of the relay, where So the base plate parallel on a horizontal circuit board sits.
  • the bottom plate 11 has circumferential side walls lla, llb and llc; on the one removed from the mounting part 12 End form the side walls lla and llb with the inside projecting ribs and grooves opposite each other Plug-in shafts 13 for receiving those to be described later Contact elements.
  • the vertical bracket part 12 has a generally U-shaped Cross section with side walls 12a and 12b and one Rear wall 12c.
  • the side walls 12a and 12b form with the inside projecting ribs 12d a drawer-shaped guide shaft 17.
  • a drawer-shaped guide shaft 17 In the area of the guide shaft are each Cut out window 14, whose function will be explained later becomes.
  • the rear wall 12c has a window 18 which the freedom of movement of the anchor also described later guaranteed.
  • a magnet system 2 with a coil body 21, one on the bobbin between its flanges 21a and 21b arranged winding 22, one axially in the coil arranged core 23 and an L-shaped angled Yoke 24 attached.
  • the round core 23 has at its lower end a pole plate enlarged in cross section 23a, which has a pole face 25.
  • the yoke 24 is with its first leg 24a at the upper end of the core 23 attached, for example by notching, welding or the like.
  • the vertical leg 24b of the yoke is in inserted the guide shaft 17 of the base body and there attached.
  • the lower end edge 24c of the yoke leg 24b forms a support for an armature 26 which with the pole face 25 forms a working air gap.
  • a contact spring 3 on the underside of the armature attached which is essentially U-shaped (see Figure 4) is cut from a spring plate and thus two spring legs, namely a reset leg 31 and a contact leg 32 forms.
  • the two spring legs are approximately in one Plane, however, are mutually movable and at their ends with pretension bends at best slightly from their common Sheet plane bent.
  • the reset leg is at its end 31a attached to a contact spring connecting element 4, which L-shaped and with its vertical section 41 anchored in a slot 13 of the base body is.
  • This vertical section 41 also carries a connector pin 41a, while a horizontal section 42 the Contact spring 3 carries.
  • the contact leg 32 is on a rivet 33 or on one otherwise attached to a central portion of the anchor.
  • the movable end 32a of the contact leg carries opposite ones Contact pieces 32b, which with corresponding Interact with counter-contact elements.
  • a normally open counter contact element 5 is bent in an L-shape; a vertical section 51 is in turn in a slot 13 of the base body anchored; it also forms a pin 51a.
  • a horizontal one Section 52 of the normally open mating contact element carries a contact piece 52a.
  • a normally closed L-shaped counter contact element 6 is in a breakthrough with a vertical section 61 16 of the base plate 11 anchored during a horizontal section 62 carrying a contact piece 62a on the bottom plate 11 rests and thereby the stability of this counter-contact element guaranteed.
  • FIG. 6 shows a modified contact spring 35, whose spring legs 36 and 37 are not cut from one plane, but by folding the leaf spring by 180 °, and gained around an axis parallel to the armature bearing axis are.
  • the two spring legs namely the reset leg 36 and the contact leg 37 are towards their free ends cut diagonally in opposite directions, so that they are in these end sections 36a and 37a side by side in one Can lie level and can be moved against each other.
  • both have spring legs the full width of the contact spring, which is essentially the Anchor width corresponds, available. This can still higher load currents than in the embodiment according to FIG. 3 and 4 are performed.
  • the contact spring 35 is also with their spring legs attached in the same way and with contact pieces provided as the contact spring shown in Figure 4 3.
  • Their arrangement in a relay is shown in Figure 7. The Otherwise, the relay is constructed in exactly the same way as that shown in FIG. 1.
  • a housing cap 10 is shown, which over the magnet system is turned over and connected to the base body 1. The remaining Gaps between the base body 1 and the housing cap 10 are filled with sealing compound 7 and sealed.
  • the assembly of the magnet system should now be based on FIGS. 8 to 10 be described with simultaneous adjustment.
  • the magnet system 2 shown in Figure 8, that of Figure 2 corresponds is inserted into the base body 1, the measured 9 already with the armature 26, including the contact spring 3 the connecting element 4 and the mating contact elements 5 and 6 is equipped.
  • the width of the yoke leg 24b corresponds exactly to the clear width in the guide shaft 17.
  • teeth 27 formed over the width of the Survive slot 13.
  • the yoke is pushed so far into the guide shaft 17 until the lower yoke edge 24c abuts the anchor and the anchor has a predetermined overstroke when the contact piece 32b abuts the make contact 52a.
  • This overstroke can be measured, for example, by using a probe through a hole, not shown, in the base plate on the Anchor presses and that the anchor's path from the first closing of the normally open contact until the anchor is finally in contact is measured at the pole face 25.
  • notch stamps 9, which are preferably are firmly connected to the stamps 8 in the area windows 14 and 15 through side walls 12a and 12b pressed on the side edges of the yoke leg 24b be so that the notches 91 in the material of the Dig in yokes.
  • the resulting notch designs 28 the side edges of the yoke leg 24b additionally guarantee the tight fit of the magnet system in the desired position.
  • FIG. 11 shows a double relay, with 100 in a cap two switching systems according to Figures 1 and 2 or according to Figure 7 housed are.
  • two base bodies 1 are included the magnetic systems built on it independently assembled from each other and then side by side in the cap 100 housed.
  • the two systems without a cap are shown in FIG. 12 shown.
  • the two yokes 24 become independent adjusted from each other in the associated base body 1 and measured by pressing the side walls 12a and 12b together Figure 10 fixed.
  • the two systems in the cap 100 can the common bottom of the two Shed base body 1 for sealing or glued in the cap become.
  • a common base body 101 which with a base plate 111 and with the side walls 111a, 111b and 111c and a bottom part with an intermediate wall 111d with two trough-shaped depressions.
  • a double mounting part 112 is also with side walls 112a and 112b, a common rear wall 112c and an intermediate wall 112d as a double version of the aforementioned Single base body 1 formed. Accordingly this double base body 101 also has two parallel ones Guide shafts 17 for the two yokes 24.
  • Using a longer cap can also do more than two switching systems combined to form a multiple relay switching systems with different functions, e.g. B. a pole-changing relay and a single relay, in one common housing can be accommodated.
  • a pole-changing relay and a single relay in one common housing can be accommodated.
  • the most economical production method can be individual Base body 1 and / or a multiple base body for two or more switching systems housed in the common cap become. This results in an inexpensive installation of a such multiple relays on a circuit board.
  • the contacting parts of the contact spring 3 and the counter-contact elements 5 and 6 essentially outside of that of the magnet system 2 covered area arranged.
  • the space below the coil can be full for a wide Contact spring, but also for a pole plate 23a and an armature 26 can be used with a large area.
  • a core with a round pole plate 23a is provided which is easier to manufacture and assemble than a core with pole plate trimmed on one side.
  • the free space over the contacting parts can, for example, in a cap 10 7 or in a cap 100 according to FIG. 11 , additional components such as resistors, diodes or to house a control IC inside the relay housing.
  • a cap to shape the shape of the relay construction stepwise, as is the case for example in FIG. 14 with the cap 200 is shown. It has a projecting part in the area of the bottom part Approach 201 over the contact elements during the upper part 202 covering only the coil width or depth jumps back in steps.
  • the free space above the protruding Part 201 are used to accommodate other components 204, whose leads 205 then next to the relay soldered in corresponding holes 206 in the circuit board become.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Burglar Alarm Systems (AREA)
  • Relay Circuits (AREA)

Claims (12)

  1. Relais électromagnétique avec au moins un système de commutation, qui comprend :
    un corps de base (1; 101) constituant une plaque de base (11; 111),
    un élément de contact à ressort de contact (4) et au moins un élément de contre-contact (5, 6), qui sont respectivement ancrés dans le corps de base (1),
    une bobine (21, 22) disposée avec son axe d'enroulement à la verticale au dessus de la plaque de base, avec un noyau (23) et une culasse (24),
    une armature (26) disposée entre la bobine et la plaque de base, et
    un ressort de contact (3 ; 35) qui est relié à l'armature (26), et qui est en interaction avec l'élément de contre-contact ou les éléments de contre-contact (5, 6),
    caractérisé en ce que le ressort de contact (3 ; 35) forme deux branches de ressort (31, 32 ; 36, 37) qui sont reliées l'une à l'autre en forme de U, dans la zone du logement de l'armature et dont les extrémités sont à peu près placées côte à côte à proximité de l'extrémité mobile de l'armature, en ce qu'une première branche de ressort est reliée à l'élément de contact à ressort de contact (4) en tant que branche de rappel (31 ; 36), et que la seconde branche de ressort est reliée à l'armature (26) en tant que branche de contact (32 ; 37), et est à son extrémité libre en interaction avec le ou les éléments de contre-contact (5 ,6) pour établir le contact.
  2. Relais selon la revendication 1, caractérisé en ce que le ressort de contact (3 ; 35) avec ses deux branches de ressort (31, 32 ; 36, 37) recouvre à peu près la totalité de la surface sous l'armature (26), en ce que les extrémités des branches de ressort font saillie par rapport à l'extrémité mobile de l'armature, et que l'élément de contact à ressort de contact (4), ainsi que ledit au moins un élément de contre-contact (5), sont ancrés dans la zone située devant l'extrémité mobile de l'armature dans le corps de base (1), et sont coudés l'un vers l'autre en direction des extrémités libres des branches de ressort (31, 32 ; 36, 37).
  3. Relais selon les revendications 1 ou 2, caractérisé en ce que les deux branches de ressort (31, 32) du ressort de contact (3) sont formées par une découpe en forme de U sur le même plan de la tôle.
  4. Relais selon les revendications 1 ou 2, caractérisé en ce que les deux branches de ressort du ressort de contact (35) sont formées par pliage en forme de U à 180 degrés autour d'un axe parallèle à l'axe de l'armature, leurs extrémités respectives étant alors libérées par découpage en sens inverse jusqu'à environ la moitié de la largeur totale du ressort.
  5. Relais selon l'une des revendications 1 à 4, caractérisé en ce que le corps de base (1) est réalisé avec des parois latérales (11a, 11b, 11c) périphériques, en forme de cuvette dans la zone de la plaque de base (11), au moins ledit élément de contact à ressort de contact (4) et un élément de contre-contact de fermeture (5) étant fixés dans des gaines enfichables (13) verticales des parois latérales.
  6. Relais selon l'une des revendications 1 à 5, caractérisé en ce que le corps de base (1) est muni d'une pièce de fixation (12) à section transversale en U, placée verticalement par rapport à la plaque de base qui comprend avec des rainures sur ses parois latérales (12a, 12b) une gaine de guidage (17) placée verticalement par rapport à la plaque de base pour recevoir une branche de culasse (24b).
  7. Relais selon l'une des revendications 1 à 6, caractérisé en ce que l'élément de contact du ressort de contact (4) et au moins un élément de contre-contact (5, 6) sont ancrés grosso modo à l'extérieur de l'espace recouvert par la bobine dans le corps de base (1), et que le noyau (23) comprend, sur son extrémité tournée vers l'armature, une joue magnétique (24) dont le diamètre est supérieur au diamètre intérieur de la bobine.
  8. Relais selon l'une des revendications 1 à 7, caractérisé en ce qu'un capuchon (10) repose sur le corps de base (1), ledit capuchon ménageant de la place pour des composants supplémentaires au dessus de l'élément de contact à ressort de contact (4) et au dessus de l'élément ou des éléments de contre-contact (5, 6).
  9. Relais selon l'une des revendications 1 à 7, caractérisé en ce qu'un capuchon (200) repose sur le corps de base, ce capuchon étant décalé vers l'arrière sur une profondeur correspondant au diamètre de la bobine au dessus de l'élément de contact du ressort de contact (4) et des éléments de contre-contact (5, 6).
  10. Relais selon l'une des revendications 1 à 9, caractérisé en ce que deux systèmes de commutation ou davantage (1, 2, 3, 4, 5, 6) sont installés les uns à côté des autres sous un capuchon (100) commun, les armatures (26) étant agencées côte à côte dans un plan commun.
  11. Relais selon la revendication 10, caractérisé en ce que deux systèmes de commutation ou davantage sont installés sur un corps de base (101) commun, les secondes branches de ressort (24b) étant agencées dans deux gaines de guidage (17) agencées côte à côte dans un plan commun, lesdites gaines de guidage étant délimitées par des parois latérales (112a, 112b) et une paroi médiane (112d) commune.
  12. Utilisation du relais selon l'une des revendications 9 à 11 sur une carte de circuits imprimés (203), caractérisée en ce que l'espace libre au dessus de l'élément de contact à ressort de contact (4) et des éléments de contre-contact (5, 6), qui est libéré par le capuchon (200) décalé vers l'arrière, est utilisé pour installer des composants (204) dont les fils de connexion (205) sont raccordés à la carte de circuits imprimés (203).
EP96923819A 1995-08-23 1996-07-08 Relais electromagnetique et son utilisation sur une carte de circuits imprimes Expired - Lifetime EP0846330B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19531045 1995-08-23
DE19531045 1995-08-23
PCT/DE1996/001232 WO1997008724A1 (fr) 1995-08-23 1996-07-08 Relais electromagnetique et son utilisation sur une carte de circuits imprimes

Publications (2)

Publication Number Publication Date
EP0846330A1 EP0846330A1 (fr) 1998-06-10
EP0846330B1 true EP0846330B1 (fr) 1999-02-03

Family

ID=7770213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96923819A Expired - Lifetime EP0846330B1 (fr) 1995-08-23 1996-07-08 Relais electromagnetique et son utilisation sur une carte de circuits imprimes

Country Status (7)

Country Link
US (1) US5889451A (fr)
EP (1) EP0846330B1 (fr)
JP (1) JPH11512220A (fr)
AT (1) ATE176550T1 (fr)
BR (1) BR9610190A (fr)
DE (1) DE59601280D1 (fr)
WO (1) WO1997008724A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116193B2 (en) * 2004-09-29 2006-10-03 Hella Kgaa Hueck & Co. Electromagnetic relay
JP4471859B2 (ja) * 2005-01-31 2010-06-02 富士通コンポーネント株式会社 電磁継電器
JP4535138B2 (ja) * 2008-01-25 2010-09-01 パナソニック電工株式会社 連設型リレーユニット
CN103985600B (zh) * 2014-04-15 2015-10-21 明光市三友电子有限公司 通用高灵敏型信号继电器
CN104851746B (zh) * 2015-05-25 2017-02-01 上海电科电器科技有限公司 可逆开关装置及其联动拆卸装置
US9754747B1 (en) * 2016-04-25 2017-09-05 Song Chuan Precision Co., Ltd. Relay device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL170130B (nl) * 1951-06-06 Shell Int Research Werkwijze ter bereiding van kunstmestkorrels.
CH546477A (de) * 1972-10-18 1974-02-28 Rausch & Pausch Klappankerrelais.
GB1600762A (en) * 1977-12-23 1981-10-21 Lucas Industries Ltd Electromagnetic relay
US4745382A (en) * 1986-05-22 1988-05-17 Siemens Aktiengesellschaft Electromagnetic relay for automatic assembly
DE4243852C1 (de) * 1992-12-23 1994-03-31 Hella Kg Hueck & Co Elektromagnetisches Relais
DE4429552A1 (de) * 1994-08-19 1996-02-22 Siemens Ag Ankerhalterung für ein elektromagnetisches Relais

Also Published As

Publication number Publication date
JPH11512220A (ja) 1999-10-19
EP0846330A1 (fr) 1998-06-10
US5889451A (en) 1999-03-30
WO1997008724A1 (fr) 1997-03-06
DE59601280D1 (de) 1999-03-18
ATE176550T1 (de) 1999-02-15
BR9610190A (pt) 1998-12-15

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