DE1564189C3

DE1564189C3 -

Info

Publication number: DE1564189C3
Application number: DE19661564189
Authority: DE
Inventors: Harry Stanley Harlow Essex Woodhead (Grossbritannien)
Priority date: 1965-10-15
Filing date: 1966-10-14
Publication date: 1976-04-22

Description

3 43 4

lungsschritt vorgenommen werden, so daß sich die Außendurchmesser der Weicheisenringe 10. Dertreatment step are carried out so that the outer diameter of the soft iron rings 10. The

auftretenden, relativ hohen Einschmelztemperaturen magnetische Kreis wird durch einen Mantel 26 ausOccurring, relatively high melting temperatures magnetic circuit is made by a jacket 26

nicht nachteilig auf andere Teile des Relais, wie z. B. magnetischem Material geschlossen, der zur Vermei-not detrimental to other parts of the relay, such as. B. closed magnetic material, which is used to avoid

die Membranen 14 oder die Erregerwicklung 21, die dung eines elektrischen Kurzschlusses zwischen denthe membranes 14 or the excitation winding 21, the establishment of an electrical short circuit between the

erst in einem späteren Arbeitsgang angefügt werden, 5 Weicheisenringen 10 durch eine Isolierhülse 27 vonare only added in a later operation, 5 soft iron rings 10 through an insulating sleeve 27 of

auswirken können. Die Abdeckkappen 15 können diesen getrennt ist. Mantel 26 und Isolierhülse 27can affect. The caps 15 can be separated from this. Jacket 26 and insulating sleeve 27

mit den Weicheisenringen 10 bei einer niedrigen sind über die Weicheisenringe 10 aufgesprengt.with the soft iron rings 10 at a low level, the soft iron rings 10 are blown open.

Temperatur durch Weichlöten verbunden werden. Bei Erregung der Wicklung 21 bildet sich einTemperature can be connected by soft soldering. When the winding 21 is excited, a

Beide Membranen 14 sind jeweils mit mehreren magnetischer Kreis aus, der den Mantel 26, die Ringe Schlitzen 17 versehen, deren Länge sehr viel größer io 10 und die Membranen 14 umfaßt; und weil die ist als deren Breite, und die dazu dienen, die Elastizi- Kontaktluftspalte in Serie liegen, unterstützt die tat der Membranen 14 zu vergrößern und dadurch Schließung eines Luftspaltes die Schließung des die aufzuwendende Kraft zur Auslenkung der Kon- anderen. In ähnlicher Weise unterstützt das Abfallen taktflächen 18 gegen die kontaktgebenden Stirn- eines Schaltkontaktes das Abfallen des anderen,
flächen 13 zu verringern. Die Schlitze 17 sind kreis- 15 Die Anschlüsse des Relais bestehen aus Anschlußbogenförmig ausgebildet und so angeordnet, daß die stiften 29, die über den Umfang des Relais hinauszentrale Kontaktfläche 18 jeder Membran 14 mit ragen. Der Abstand dieser Stifte voneinander ist so ihrer Randzone 19 verbunden ist, so daß die Kon- ausgelegt, daß er mit dem normalen Leiterabstand taktflächen 18 jeweils über drei schmale, längliche von gedruckten Schaltungsplatten übereinstimmt, da Metallzungen 20 mit dem entsprechenden Weich- 20 die kleine räumliche Ausdehnung des Relais für eisenring 10 in Verbindung stehen. Diese Anordnung solche Anwendungsfälle besonders geeignet ist; (ein erlaubt der zentralen Kontaktfläche 18 jeder der praktisches Ausführungsbeispiel der in den Zeich-Membranen 14 eine beträchtliche Bewegungsfreiheit, nungen dargestellten Konstruktion hatte eine Länge während gleichzeitig sichergestellt ist, daß sich die von etwa 1,13 inches und einen Durchmesser von Kontaktflächen 18, beim Anziehen gegen die Teil- 25 etwa 0,4 inches). Die Spulenanschlüsse 28 des Relais kerne 11 durch Erregung des zugeordneten magneti- werden ebenfalls durch Stifte gebildet, die aus dem sehen Kreises, im wesentlichen senkrecht an die Spulenkörper 22 herausragen, während die Ankontaktgebende Stirnfläche 13 jedes Teilkernes 11 Schlüsse der Kontakte aus den Stiften 29 bestehen, anlegen. die aus den Weicheisenringen 10 des abgeschlossenenBoth membranes 14 are each made with a plurality of magnetic circuits, which the jacket 26, the rings provided slots 17, the length of which is much greater 10 and the membranes 14 includes; and because this is greater than their width, and the purpose of which is to ensure that the elastic contact air gaps are in series, the diaphragms 14 help to enlarge and thereby the closing of an air gap, the closing of the force required to deflect the other. In a similar way, the falling of the contact surfaces 18 against the contact-making face of a switching contact supports the falling of the other,
areas to reduce 13. The slots 17 are circular. The connections of the relay consist of connection arcs and are arranged in such a way that the pins 29, the central contact surface 18 of each membrane 14 beyond the circumference of the relay, also protrude. The distance between these pins is so their edge zone 19 is connected so that the con-designed that it corresponds to the normal conductor spacing tact areas 18 over three narrow, elongated printed circuit boards, since metal tongues 20 with the corresponding soft 20 the small spatial expansion of the relay for iron ring 10 related. This arrangement is particularly suitable for such applications; (One allows the central contact surface 18 of each of the practical embodiments of the construction shown in the character membranes 14 considerable freedom of movement Tighten against the part 25 about 0.4 inches). The coil terminals 28 of the relay cores 11 by excitation of the associated magnetic are also formed by pins that protrude from the circle seen, essentially perpendicular to the coil body 22, while the contacting end face 13 of each core element 11 consists of the contacts of the pins 29 , invest. from the soft iron rings 10 of the completed

Die Membranen 14 müssen natürlich aus magneti- 30 Gehäuses herausragen.The membranes 14 must of course protrude from the magnetic housing.

schem Material, z.B. einer Nickel-Eisen-Legierung, In Fig. 3 ist dargestellt, wie zwei der unter Bezughergestellt sein und können zur Schaffung eines guten nähme auf die F i g. 1 und 2 beschriebenen Relaiselektrischen Kontaktes ganz oder teilweise mit einem anordnungen zu einem Relais mit vier Schaltgebräuchlichen Edelmetall, wie z. B. Palladium, kontakten zusammengefaßt sind. Die Relais 32 sind plattiert werden. Ein ähnliches Auflagemetall kann 35 nebeneinander ohne ihre Hüllen 24 und 26 (F i g. 1) auf die Stirnflächen 13 jedes Teilkernes 11 aufge- angeordnet. Der magnetische Kreis wird durch Endbracht sein. Außerdem bilden die auf den Kontakt- scheiben 30 vervollständigt, die über den Membranen flächen aufgebrachten schützenden Auflagen gleich- 14 angeordnet, aber von diesen durch Isolierscheiben zeitig den notwendigen, magnetisch isolierenden 31 getrennt sind. Beide Relais haben Anschlußstifte Luftspalt zwischen den Kontakten. 40 29 und Spulenanschlüsse 28, wie in Fig. 1 gezeigt.In Fig. 3 it is shown how two of the references are made and can help create a good take on the F i g. 1 and 2 described relay electrical Contact in whole or in part with an arrangement for a relay with four switching functions Precious metal, such as B. Palladium, contacts are summarized. The relays 32 are be plated. A similar overlay metal can 35 side by side without their envelopes 24 and 26 (Fig. 1) arranged on the end faces 13 of each partial core 11. The magnetic circuit is brought about by End being. In addition, those on the contact disks 30 complete those over the membranes Protective coverings applied to the surface are arranged in the same manner, but separated from these by insulating washers early the necessary, magnetically insulating 31 are separated. Both relays have connection pins Air gap between the contacts. 40 29 and coil terminals 28 as shown in FIG. 1.

Die den magnetischen Kern der Anordnung bil- Abgesehen von der Aufgabe der SpulenanschlüsseThey form the magnetic core of the arrangement, apart from the task of the coil connections

denden Nickel-Eisen-Kerne 11 sind in axialer Rieh- 28, das gesamte Relais von außen mit Strom zuThe nickel-iron cores 11 are in axial direction 28, the entire relay from the outside with electricity

tung beträchtlich länger als die einen Teil des versorgen, dienen diese auch zur Halterung dertion considerably longer than the one part of the supply, these also serve to hold the

magnetischen Rückschlusses bildenden Weicheisen- Erregerwicklung während der Fertigung. Das inmagnetic return forming soft iron excitation winding during production. This in

ringe 10. Die auf der dem Kontakt abgewandten 45 F i g. 3 gezeigte Relais könnte von jeder Spule alleinrings 10. On the 45 F i g. 3 relays shown could be from each coil alone

Seite vorspringenden Enden der Teilkerne 11 sind betätigt werden, daher kann, wo der Leistungsvervon einem Isolierrohr 24, einem Nickel-Eisen-Rohr brauch unwichtig ist, auch nur eine Spule montiertSide protruding ends of the split cores 11 are operated, therefore, where the power consumption an insulating tube 24, a nickel-iron tube need is unimportant, only one coil is mounted

25 und der Erregerwicklung 21 des Relais umschlos- werden.25 and the excitation winding 21 of the relay are enclosed.

sen, die auf einen isolierenden Spulenkörper 22 ge- Die Erregung einer beliebigen Wicklung bildetsen, which is placed on an insulating bobbin 22. The excitation of any winding forms

wickelt ist. 5° einen magnetischen Kreis über die Endscheiben 30is winding. 5 ° a magnetic circuit via the end disks 30

Der Außendurchmesser der Erregerwicklung 21 aus, in dem alle vier Membranen magnetisch in SerieThe outer diameter of the excitation winding 21 in which all four membranes are magnetically in series

und des Spulenkörpers 22 ist nicht größer als der liegen.and the bobbin 22 is no larger than lying.

Hierzu 1 Blatt Zeichnungen 1 sheet of drawings

Claims

1 2 with their radially formed recesses of a patent claims: easy armature movement against a relatively large resistance. Also for

1. Electromagnetic relay with two side-by-side bearings for the armature and for the magnetic the mirror-inverted armature 5 flux guide to the armature use separate components, their contact air gap magnetically in det, which makes the arrangement unnecessarily expensive.

Series lie, and with one the excitation winding The invention is therefore based on the object

supporting core, which consists of two axially one behind the other an electromagnetic relay with two each other

arranged partial cores, whose mirror-inverted opposing, magnetically in

to create outwardly directed ends in each case an isolated contact connected in series, its

Renden carriers are used, thereby contact anchor is simply designed and easy to move

k e η η ζ e i c h η e t that the outer end faces are.

(13) the free core penetrating the carrier, according to the invention this is achieved in that end with opposing metal membranes, the outer end faces of which the carrier penetrates

(14) made of magnetic material, one contact each with free core ends opposite one another of the relay. . Metal diaphragms made of magnetic material each

2. Form electromagnetic relay after contact of the relay.

claim 1, characterized in that the con- Further developments of the invention are in

Clock air gaps of both contacts of the relay specified dependent claims.

table in series. 20 The relay described has the advantage of

3. Electromagnetic relay according to An especially simple and effective contact _ claim 1 and 2, characterized in that armature structure. f ~ the two nickel-iron cores (11) by a The invention will be electrically separated from each other at different embodiment air gap (23) examples are explained in more detail with reference to drawings. 35 in which shows

4. Electromagnetic relay according to Fig. 1, a longitudinal section of the relay along seisckt 1 to 3, characterized in that the ner central axis,

two nickel-iron cores (11) by a nickel F i g. 2 shows a cross-section of the relay in plane

Iron pipe (25) over an insulating pipe (24) of the line II-II in Fig. 1,

is pushed onto the cores (11), magnetically 3 »Fig. 3 a combination of two modified ones

are connected to each other. Executions of the in F i g. 1 relay shown.

5. Electromagnetic relay after on The relay shown in the drawings is off Claim 1 to 4, characterized in that a hermetically assembled housing aüfzwei Relay assemblies (32) built without their shells, which contains two soft iron rings 10, in their (24 and 26), but with a nickel-iron core 11 each with both end faces over central bores covering magnetic end plates (30), such as an insulating connecting ring 12, the z. B. are arranged next to each other so that the contact can consist of glass, is hermetically inserted, air gap of all four contacts of the arrangement, the partial cores 11 being magnetically through an air gap 23 lie in series. are separated from each other.

6. Electromagnetic relay according to 40 The soft iron rings 10 and the partial cores 11 büspruch 5, characterized in that only one part of the magnetic circuit and the of the two adjacent relay arrangement ring-shaped end faces 13 of the partial cores 11 Connections (32) with an excitation winding (21) also combine the two fixed contacts of the relay. the see is. Armature or the moving contacts of the relay

45 are through elastic membranes 14 made of magnetic

. table material formed, which at their edge to the

Soft iron rings 10 are held by means of caps 15, which in turn at their edge with the soft iron rings 10 are hermetically connected.

The invention relates to an electromagnetic 50. The soft iron rings 10 are on their connection relays according to the preamble of the above employment 16 with the membranes 14 with an increased Proverbs 1st edge, which ensures that the membranes

Such a relay is in the older German 14 during its rest position with its central Auslegeschrift 1215 810 shown and described. Contact surface 18 a sufficiently large contact die Part cores 55 inserted into the carrier in an insulating manner spaced from the front work acting as a counter-contact each with a rigid contact anchor surfaces 13 of the cores 11 adhere to. The exact one together, the distance between the membranes 14, which can be tilted on a cover, can vary from case to case is stored. through common spacer rings between mem-

US Pat. No. 2,933,571 makes white 14 and soft iron rings 11 possible thereafter an electromagnetic relay with a 6 ° den.

Excitation winding carrying core known in As shown, is each pair of contacts, each

an insulating support is used and with a through a membrane 14 and an end face 13 of a button-shaped contact anchor cooperates, the central part core 11 is formed in a her by a preferably non-magnetic, plate-shaped, metically closed space is arranged. the Spring is held. The flux crossing from the housing 65 is the main operation of the hermetic assembly The anchor is made using a ferromagnetic joint during the manufacture of the housing, i.e. the Ring that encloses the button-shaped anchor. When melting the nickel-iron cores 11 into the This relay, however, uses the plate-shaped spring soft iron rings 10, but can be the first manufacturer