EP0017129B1 - Relais polarisé à lames de contact - Google Patents

Relais polarisé à lames de contact Download PDF

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Publication number
EP0017129B1
EP0017129B1 EP80101550A EP80101550A EP0017129B1 EP 0017129 B1 EP0017129 B1 EP 0017129B1 EP 80101550 A EP80101550 A EP 80101550A EP 80101550 A EP80101550 A EP 80101550A EP 0017129 B1 EP0017129 B1 EP 0017129B1
Authority
EP
European Patent Office
Prior art keywords
relay
contact
bobbin
contacts
fixed contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP80101550A
Other languages
German (de)
English (en)
Other versions
EP0017129A1 (fr
EP0017129B2 (fr
Inventor
Hans Sauer
Humihiro Kasano
Yoichi Isobe
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.)
SAUER, HANS
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26378103&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0017129(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP3881679A external-priority patent/JPS6055938B2/ja
Priority claimed from JP7578779A external-priority patent/JPS55166833A/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to AT80101550T priority Critical patent/ATE5036T1/de
Publication of EP0017129A1 publication Critical patent/EP0017129A1/fr
Publication of EP0017129B1 publication Critical patent/EP0017129B1/fr
Application granted granted Critical
Publication of EP0017129B2 publication Critical patent/EP0017129B2/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • H01H51/2245—Armature inside coil
    • H01H51/2254—Contact forms part of armature

Definitions

  • the invention relates to a polarized tongue contact relay according to the preamble of patent claim 1.
  • Known relays of this type (DE-C-1 243 271, DE-C-1 909 940, DE-C-2 459 039 and DE-C-2 462 777) can be equipped with only one changeover contact.
  • From FR-A-2296932 relays with changeover contacts are also known, in which the movable contact element is formed by a rigid armature. The overall structure of these relays is more complex since they already require a total of four fixed contacts and two movable contacts to achieve a switching effect.
  • the invention has for its object to design a relay of the type mentioned in such a way that at least two changeover contacts can be actuated synchronously with the proven permanent magnet system.
  • the arrangement of the two contact tongues and the fixed contacts cooperating therewith enables the respective contacts to be opened and closed simultaneously due to the same magnetic influence and predetermined spatial relationships.
  • the two contact tongues are arranged parallel to one another and welded at one end with electrically separate, also parallel center contact connections , so that they are recorded together by an adjusting device and are adjustable in terms of their response or drop values.
  • pole shoe pairs and tongue contacts connected to form a unit can be connected to the coil body in various ways.
  • two contact tongues or fixed contacts which are arranged parallel to one another and connected to form a unit, it is expedient to position them in corresponding shaped incisions in the coil former, the distance between the opposing fixed contacts being determined by intermediate layers which are formed in the coil former or, in the case of a two-part Coil body, can be formed by intermediate plates with a defined thickness.
  • spacers eliminate tolerances and simplify adjustment.
  • Another possibility of assigning two changeover contacts to the system described at the outset is to position the permanent magnet system with its pole pieces and fixed contacts in the center of the relay and on each side of the contact tongues in a mirror image so that the attachment of these tongues with their connections at each end of the Coil body - adjustable in a known manner - takes place.
  • each changeover contact can also be actuated independently of the other.
  • One switch can be impressed with monostable behavior and the other with bistable behavior by adjusting the spring preload accordingly.
  • separate connections of two independent coils can be made externally to a common coil, e.g. by appropriate design of a circuit board in which the relay is used.
  • a capacitor which is connected in series with the coil and an IC with a trigger and flip-flop according to DE-A1-2747607 is provided for synchronous contact actuation, even when the excitation voltage rises or falls and mechanically uncoupled contact tongues.
  • the contact tongue is set to bistable behavior.
  • the trigger stage only switches at a predetermined voltage that is sufficient for both changeover contacts to respond suddenly.
  • the capacitor charges and blocks the flow of current through the coil.
  • a relay set to monostable would drop off again immediately, while the bistable relay would remain in this position until the supply voltage was interrupted and the capacitor over the coil winding tion and the flip-flop of the IC discharges, thus relocating the relay contacts to their initial position, also suddenly.
  • the bistable relay is impressed with a monostable switching behavior, a synchronous actuation of both changeover contacts is guaranteed and, moreover, control energy is only required during the very short switch-on process of approx. 1 ms.
  • a permanent magnet 1 preferably made of BaOFe, is located between four pole shoes 2a, 2b, 2c and 2d which are electrically insulated from one another.
  • a pair of pole shoes is encased with an injection-molded insulating part 7a, 7b, which has a relatively thin layer thickness d 1 on its side facing the magnet and a much thicker layer thickness d 2 on the outside.
  • the layer thickness d should be thin so that there is the best possible coupling between the magnet and the pole piece, but on the other hand it should not be zero because it serves not only for insulation purposes but also as a magnetic air gap.
  • the extrusion coating has the advantage that a semi-cylindrical profile (FIG. 2c) can be formed, with the aid of which tolerances of the pole shoes with the fixed contacts 4a, 4b, 4c and 4d relative to the guide grooves 9a, 9b, 9c, 9d in the bobbin 10 and its contact surfaces 20a, 20b compensate.
  • the fixed contacts could also be replaced by appropriately cranked pole shoes; However, it is expedient to produce them separately, because they can then be subjected to a different surface treatment than is required for the pole shoes and their connections 8a, 8b, 8c, 8d because of the required contact conditions.
  • the two contact tongues arranged parallel to one another are preferably encased with a plastic part 6 for the purpose of parallel guidance. It does not matter whether this sheathing is carried out by ultrasonically welding two plastic films or by extrusion coating. In the case of overmolding, the center contact connections 5a, 5b could also be encapsulated with plastic after the spot welding with the contact tongues 3a, 3b in order to increase the security against loosening of the connection point, which is particularly stressed during the adjustment.
  • This part connected to a unit (FIG. 2a) is also positioned in the cutouts 9 of the coil body.
  • the relay assembly assembled in this way is inserted with its connections into the openings 15g of the base body 15 (FIG. 2e) and, after the permanent magnet 1 has been inserted, can be inserted between the two pairs of pole shoes (FIGS. 2c and 2d) positioned in the coil body 10 and after the electrical connection Connection of the coil wire ends with the coil connections 15c, 15d or 15e, 15f located in the base body 15 are adjusted at the connection point of the contact tongues 3a, 3b with the center contact connections 5a, 5b.
  • a ferromagnetic cap which differs from the final cap 16 only by an opening which allows access to the adjustment point.
  • the base body 15 has a shoulder 15b, on which the cap 16 rests, and one or two openings 15a, which serve both for filling with protective gas and for introducing potting compound 17.
  • the exemplary embodiment according to FIGS. 3 to 5 is constructed symmetrically with respect to its axis Y-Y and has two identical coil body halves 10a, 10b, in which both the pole shoes 2a, 2b and the coil connections 14a, 14b, 14c, 14d and the center contact connections 5a, 5b and an earth connection 5c are embedded. All of these connections are preferably punched from a ferromagnetic tape and are separated from one another in a known manner after the embedding by a further punching process.
  • Ferromagnetic flux guide pieces (fixed contacts 4a, 4b) are preferably spot welded to the pole pieces 2a, 2b, preferably over shoulders 4A, 4B.
  • the end faces of the flux guide pieces are covered with contact material supports 4C and serve as fixed contacts with respect to the free end of the contact tongue 3, which is also covered with contact material supports.
  • the other end of the contact tongue 3 is point-welded to the center contact connection 5a in a known manner via a connecting bridge 5.
  • a window 5f is provided in the connecting bridge 5 to allow access for the adjustment of the contact tongue 3.
  • the identical bobbin halves 10a, 10b are provided with guide pins 10f and, in mirror image thereto, with guide holes 10g which form a fit when assembled (FIG. 3).
  • an insulating plate which, as a spacer 11, holds the two fixed contacts 4a, 4b at a precise distance from one another, namely because the outer ends of the fixed contacts abut this spacer 11 and also position the permanent magnet 1.
  • the spacer 11 is positioned by means of bores 11b through which the guide pins 10f protrude.
  • the hermetic closure takes place analogously to that described above by means of a ferromagnetic cap 16, base body 15 and casting compound 17.
  • FIG. 7 Another embodiment of the invention is shown in FIG. 7 in half a longitudinal section along the central axis and in half a top view.
  • This relay has a permanent magnet 1a, 1b on each of the two end faces of the coil body 10, these permanent magnets being coupled in opposite polarities to a pole shoe 4a, 4c designed as a fixed contact.
  • These fixed contacts form in the de-energized state of the relay with one contact tongue 3a, 3b normally closed contacts. It is thereby achieved that, when excited, a synchronous actuation of the two contact tongues 3a, 3b can be realized much better than, for example, the magnetic conditions according to the exemplary embodiment according to FIGS. 1 and 2 allow.
  • FIG. 7 shows a synchronous actuation of the two contact tongues 3a, 3b in FIG.
  • the exemplary embodiment is also space-saving, because the two contact tongues 3a, 3b with the broad sides, not shown here, face each other and thus run parallel to one another in the interior of the coil former 10.
  • two identical bobbin halves will also be used here, which are brought together in a known manner to form a bobbin after the connection of the contact tongue and center contact connection 5a, 5b and before application of the coil winding 12.
  • recesses 10h are provided in the flanges of the coil body 10 in order to obtain a possibility of engagement of the adjustment device.
  • FIG. 8 there is a permanent magnet 1 between two ferromagnetic pole shoes 4a, 4c designed as fixed contacts, each of which forms normally closed contacts with the free ends of the contact tongues 3a, 3b.
  • This version is mainly suitable for monostable relays, especially since the permanent magnetic circuit, which runs over the pole shoes 4b, 4d designed as fixed contacts, is considerably weaker than the one running over the pole shoes 4a, 4c.
  • an opening of one contact accelerates the opening of the other when the switching state is changed by the electromagnetic circuit.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Non-Reversible Transmitting Devices (AREA)

Claims (15)

1. Relais polarisé à lames de contact comprenant des lames de contact ferromagnétiques (3a, 3b) montées d'un côté, passant à l'intérieur du corps (10) de bobine et sensiblement en direction de l'axe de bobine, et une paire de contacts fixes (4a...4d) disposés dans le corps de bobine, qui forment un contact de commutation avec l'extrémité libre des lames de contact (3a, 3b) et qui sont rapprochées par des pièces polaires (2a...2d) d'un aimant permanent (1; 1a, 1b), caractérisé par le fait qu'à l'intérieur du corps (10) de bobine sont montées deux lames de contact (3a, 3b) isolées électriquement l'une de l'autre, dont les extrémités libres forment deux contacts de commutation avec deux paires respectives de contacts fixes (4a...4d), et que les contacts fixes (4a...4d) sont positionnés par paires au même niveau dans le corps (10) de bobine.
2. Relais selon la revendication 1, caractérisé par le fait que les deux lames de contact (3a, 3b) sont positionnées l'une par rapport à l'autre et reliées l'une à l'autre pour former un ensemble unitaire au moyen d'une pièce en matière isolante (6).
3. Relais selon la revendication 1 ou 2, caractérisé par le fait que les pièces polaires de chaque paire (2a, 2b et 2c, 2d) sont positionnées l'une par rapport à l'autre et reliées l'une à l'autre pour former un ensemble unitaire au moyen d'une pièce en matière isolante (7a, 7b).
4. Relais selon l'une quelconque des revendications 1 à 3, caractérisé par le fait que les pièces polaires (2a...2d) et/ou les lames de contact (3a, 3b) sont positionnées par leurs bornes (5a, 5b et 8a, 8b, 8c, 8d) dans des découpes (9, 9a, 9b, 9c, 9d) du corps (10) de bobine.
5. Relais selon l'une quelconque des revendications 1 à 4, caractérisé par le fait que les contacts fixes (4a...4d) reposent, extérieurement à leur zone de contact, sur un support d'écartement (11) qui détermine l'entrefer de contact, constitué, lorsqu'on utilise un corps de bobine en deux parties, par une plaquette de matière synthétique isolante estampée ou injectée, montée entre les deux moitiés (10a, 10b) du corps de bobine.
6. Relais selon la revendication 1 ou 5, caractérisé par le fait qu'une bobine (12a, 12b) est prévue pour chacun des deux contacts de commutation, ces deux contacts de commutation pouvant être manoeuvrés indépendamment l'un de l'autre ou en commun.
7. Relais selon la revendication 1, 5 ou 6, caractérisé par le fait que l'aimant permanent (1), les pièces polaires (2a...2d) et les contacts fixes (4a...4d) sont montés dans le centre du relais et que les deux lames de contact (3a, 3b) sont positionnées symétriquement par rapport à eux et reliées, de manière réglable individuellement, aux bornes de contact central (5a, 5b) fixées dans les deux extrémités externes du corps de bobine.
8. Relais selon la revendication 6 ou 7, caractérisé par le fait que les deux bobines (12a, 12b) sont reliées l'une à l'autre et exercent ainsi la fonction d'une bobine unique.
9. Relais selon l'une quelconque des revendications 1 à 8, caractérisé par le fait que pour établir un contact synchrone des deux contacts de commutation, un condensateur et un composant intégré (13) sont reliés électriquement aux bornes de la bobine.
10. Relais selon l'une quelconque des revendications 1 à 9, caractérisé par le fait que les contacts de commutation peuvent être réglés indépendamment l'un de l'autre sur le mode monostable ou bistable, et peuvent être excités par l'intermédiaire de bornes de bobine (14a, 14b ou 14c, 14d) qui sont séparées électriquement les unes des autres.
11. Relais selon l'une quelconque des revendications 1 à 10, caractérisé par le fait qu'il comprend un socle en matière synthétique (15) comprenant au moins une ouverture de remplissage (15a) destinée à la masse de remplissage (17) et un épaulement (15b) destiné au positionnement d'un couvercle ferromagnétique (16), le socle en matière synthétique (15) et le couvercle (16) étant reliés de façon étanche l'un à l'autre par la masse de remplissage (17).
12. Relais selon l'une quelconque des revendications 1 à 11, caractérisé par le fait que des pièces polaires (4a, 4b, 4c, 4d) constituées sous forme de contacts fixes ainsi qu'un aimant permanent (1a, 1b) sont disposés sur chacun des deux cotés frontaux du corps (10) de bobine.
13. Relais selon la revendication 12, caractérisé par le fait que l'un des aimants permanents (1a, 1b) est couplé par son pôle sud et l'autre par son pôle nord à la pièce polaire correspondante (4a, 4c) formant le contact de repos.
14. Relais selon la revendication 13, caractérisé par le fait que le corps de bobine est muni, dans la zone de l'appui des lames de contact ferromagnétiques (3a, 3b), d'évidements (10h) par l'intermédiaire desquels on peut effectuer le réglage des lames de contact (3a, 3b) au niveau de leur liaison avec des bornes de contact central (5a, 5b).
15. Relais selon la revendication 1, caractérisé par le fait qu'un aimant permanent (1) est monté entre deux pièces polaires (4a, 4c) formant le contact de repos.
EP80101550A 1979-03-30 1980-03-24 Relais polarisé à lames de contact Expired EP0017129B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80101550T ATE5036T1 (de) 1979-03-30 1980-03-24 Gepoltes zungenkontaktrelais.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3881679A JPS6055938B2 (ja) 1979-03-30 1979-03-30 ２トランスフア−リ−ド形リレ−
JP38816/79 1979-03-30
JP7578779A JPS55166833A (en) 1979-06-15 1979-06-15 Multipolar reed relay
JP75787/79 1979-06-15

Publications (3)

Publication Number Publication Date
EP0017129A1 EP0017129A1 (fr) 1980-10-15
EP0017129B1 true EP0017129B1 (fr) 1983-10-12
EP0017129B2 EP0017129B2 (fr) 1989-04-05

Family

ID=26378103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80101550A Expired EP0017129B2 (fr) 1979-03-30 1980-03-24 Relais polarisé à lames de contact

Country Status (4)

Country Link
US (1) US4311976A (fr)
EP (1) EP0017129B2 (fr)
CA (1) CA1128977A (fr)
DE (4) DE2931409C2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3210654A1 (de) * 1982-03-23 1983-10-06 Siemens Ag Elektromagnetisches relais
DE3217528C2 (de) * 1982-05-10 1986-04-03 Siemens AG, 1000 Berlin und 8000 München Kontaktanordnung für Relais
DE3229696A1 (de) * 1982-08-10 1984-02-16 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur synchronuebertragung rahmenstrukturierter daten
DE3240184C1 (de) * 1982-10-29 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches Relais
DE3338208A1 (de) * 1983-10-20 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches relais und verfahren zu dessen herstellung
DE3338198A1 (de) * 1983-10-20 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches relais und verfahren zu dessen herstellung
JPS6168452U (fr) * 1984-10-09 1986-05-10
US4672344A (en) * 1985-04-19 1987-06-09 Siemens Aktiengesellschaft Polarized electromagnetic relay
US4912438A (en) * 1987-10-22 1990-03-27 Nec Corporation Electromagnetic relay
DE58905723D1 (de) * 1988-03-25 1993-11-04 Siemens Ag Polarisiertes elektromagnetisches mehrkontaktrelais.
DE8906678U1 (de) * 1989-05-31 1990-09-27 Siemens AG, 1000 Berlin und 8000 München Polarisiertes Ankerkontaktrelais
DE102007025338B4 (de) * 2007-05-31 2015-02-05 Tyco Electronics Amp Gmbh Verfahren zum Abdichten eines Gehäuses und elektrische Komponente
DE102010018755A1 (de) * 2010-04-29 2011-11-03 Kissling Elektrotechnik Gmbh Relais mit integrierter Sicherheitsbeschaltung
US10945336B2 (en) * 2018-06-13 2021-03-09 Te Connectivity Corporation Electronic device with relay mounted to substrate

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DE1216431B (de) * 1962-07-31 1966-05-12 Siemens Ag Elektromagnetisches Relais mit Schutzrohrwechselkontakten
DE1271260B (de) * 1962-07-31 1968-06-27 Siemens Ag Gepolter Schutzrohrwechselkontakt
DE1251869B (de) * 1966-10-08 1967-10-12 Telefunken Patentverwertungsgesellschaft m.b.H., Ulm/Donau, Elisabethenstr. 3 Magnetisch gesteurtes Schutzrohrkontakt-Relais
DE1614874B2 (de) * 1967-10-07 1975-10-16 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Verfahren zur Herstellung des Aufbaus für ein Schutzrohrkontakt-Relais
CH514930A (de) * 1969-09-22 1971-10-31 Elesta Ag Elektronik Kleinschütz und Verfahren zur Herstellung desselben
FR2098552A6 (fr) * 1970-07-20 1972-03-10 Telic
DE2318812B1 (de) * 1973-04-13 1974-01-10 Hans Sauer Elektromagnetisches Relais
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DE2353444C3 (de) * 1973-10-25 1980-07-03 Hans 8024 Deisenhofen Sauer In Isolierstoff eingebettetes elektromagnetisches Relais
DE2454967C3 (de) * 1974-05-15 1981-12-24 Hans 8024 Deisenhofen Sauer Gepoltes elektromagnetisches Relais
FR2285705A2 (fr) * 1974-09-18 1976-04-16 Materiel Telephonique Point de croisement miniature
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FR2314576A1 (fr) * 1975-06-11 1977-01-07 Matsushita Electric Works Ltd Relais a lame
DE2545322A1 (de) * 1975-10-09 1977-04-28 Bunker Ramo Miniaturschutzrohrkontaktrelais
DE2625203C3 (de) * 1976-06-04 1984-05-24 Hans 8024 Deisenhofen Sauer Polarisiertes elektromagnetisches Kleinrelais
DE2647203C3 (de) * 1976-10-19 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches Miniaturrelais
DE7740378U1 (de) * 1976-11-15 1981-05-27 Iskra ZP Ljubljana o.sub. o., Ljubljana Elektromagnetisches Relais
DE2703584C2 (de) * 1977-01-28 1984-05-10 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches Relais
DE2711480C2 (de) * 1977-03-16 1985-10-24 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches Miniaturrelais
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DE2723220C2 (de) * 1977-05-23 1979-08-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Polarisiertes elektromagnetisches Miniaturrelais

Also Published As

Publication number Publication date
DE2931409C2 (de) 1990-05-10
DE3065236D1 (en) 1983-11-17
US4311976A (en) 1982-01-19
EP0017129A1 (fr) 1980-10-15
DE2954352C2 (de) 1984-12-13
EP0017129B2 (fr) 1989-04-05
CA1128977A (fr) 1982-08-03
DE2931409A1 (de) 1980-10-09
DE2954150C2 (de) 1983-06-23

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