ES2355592T3 - RELAY. - Google Patents

RELAY. Download PDF

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Publication number
ES2355592T3
ES2355592T3 ES07023642T ES07023642T ES2355592T3 ES 2355592 T3 ES2355592 T3 ES 2355592T3 ES 07023642 T ES07023642 T ES 07023642T ES 07023642 T ES07023642 T ES 07023642T ES 2355592 T3 ES2355592 T3 ES 2355592T3
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Spain
Prior art keywords
relay
spring
contact
contact spring
armature
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ES07023642T
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Spanish (es)
Inventor
Rainer Schmelz
Christian Sprenger
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Gruner AG
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Gruner AG
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • 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
    • H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • H01H2001/265—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support having special features for supporting, locating or pre-stressing the contact blade springs
    • 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
    • H01H50/645—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection
    • H01H50/646—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection intermediate part being a blade spring

Abstract

The relay (1) has a contact spring (4) connecting or disconnecting the electric circuit between two relay contacts (2,3). An end of the contact spring is connected with the former relay contact in a conductive manner. A magnetic drive (7) is provided for moving the contact spring into a relay position. The magnetic drive has a reversible magnetic coil (9) and a permanent magnet featuring rotor (11). One of the contact springs is engaged from below and engaged from above in the moving direction (13) of the rotor.

Description

La presente invención se refiere a un relé que comprende, como mínimo, un resorte de contacto que cierra o interrumpe el circuito eléctrico entre un primer y un segundo contactos de relé, estando un extremo de dicho resorte conectado de forma conductora con el primer contacto de relé, y estando el circuito eléctrico cerrado en una primera 5 posición del resorte de contacto, o bien interrumpido en una segunda posición de dicho resorte a través de su otro extremo libre, y un accionamiento magnético para desviar el resorte de contacto a la correspondiente posición, presentando dicho accionamiento magnético una bobina magnética de polaridad reversible y una armadura dotada de un imán permanente y que está montada en la bobina magnética con capacidad de giro entre dos posiciones de conmutación, y estando el, como mínimo, un resorte de contacto recubierto por la armadura tanto por debajo, como por 10 encima, en su dirección de desviación. The present invention relates to a relay comprising at least one contact spring that closes or interrupts the electrical circuit between a first and a second relay contacts, one end of said spring being conductively connected to the first contact of relay, and the electrical circuit being closed in a first position of the contact spring, or interrupted in a second position of said spring through its other free end, and a magnetic drive to divert the contact spring to the corresponding position , said magnetic drive having a magnetic coil of reversible polarity and an armature equipped with a permanent magnet and which is mounted on the magnetic coil with the ability to rotate between two switching positions, and the at least one contact spring is covered by the armor both below, and above 10, in its direction of deviation.

Se ha dado a conocer un relé de este tipo, por ejemplo, por el documento DE 36 24 781 A1. A relay of this type has been disclosed, for example, by DE 36 24 781 A1.

En este relé conocido se cierra o se interrumpe un circuito eléctrico entre dos contactos de relé eléctricos mediante un resorte de contacto. Este resorte de contacto está en contacto con un imán permanente de una armadura en H, que está montada con capacidad de giro en dos alas de culata de una bobina magnética. Al cambiar la polaridad 15 de la bobina magnética giran el imán permanente y, por lo tanto, también la armadura. Dado que la armadura recubre el resorte de contacto en ambas direcciones de desviación, tanto por encima, como también por debajo, este resorte es desviado de su posición cerrada de reposo, de manera que el circuito eléctrico queda interrumpido. In this known relay, an electrical circuit between two electrical relay contacts is closed or interrupted by means of a contact spring. This contact spring is in contact with a permanent magnet of an H-armature, which is mounted with the ability to rotate on two cylinder head wings of a magnetic coil. When the polarity 15 of the magnetic coil changes, the permanent magnet and, therefore, also the armature rotate. Since the armature covers the contact spring in both deflection directions, both above and below, this spring is deflected from its closed rest position, so that the electrical circuit is interrupted.

El objetivo de la invención es mejorar, en un relé del tipo mencionado anteriormente, el comportamiento de rebote del resorte de contacto al cerrar el relé. 20 The objective of the invention is to improve, in a relay of the type mentioned above, the rebound behavior of the contact spring when closing the relay. twenty

Este objetivo se consigue, de acuerdo con la invención porque el, como mínimo, un resorte de contacto está acoplado en cuanto a su movimiento en dirección a su posición de relé cerrado a la armadura por medio de un resorte adicional fijado en el resorte de contacto. This objective is achieved, in accordance with the invention, because the at least one contact spring is coupled with respect to its movement in the direction of its closed relay position to the armature by means of an additional spring fixed on the contact spring. .

Otras ventajas y realizaciones ventajosas del objeto de la invención se desprenden de la descripción, del dibujo y de las reivindicaciones. Asimismo, cada una de las características mencionadas anteriormente y las que se 25 mencionarán en adelante pueden aplicarse, de acuerdo con la invención, individualmente o varias a la vez en cualquier combinación. Las realizaciones mostradas y descritas no han de entenderse como una enumeración concluyente, sino que tienen carácter ejemplar para la descripción de la invención. Other advantages and advantageous embodiments of the object of the invention are apparent from the description, the drawing and the claims. Likewise, each of the characteristics mentioned above and those that will be mentioned hereafter can be applied, according to the invention, individually or several at the same time in any combination. The embodiments shown and described are not to be understood as a conclusive enumeration, but are exemplary for the description of the invention.

Los dibujos muestran: The drawings show:

Figuras 1a, 1b: Una vista lateral del relé, según la invención, con un resorte de contacto en la posición de relé cerrado 30 (figura 1a) y en la posición de relé abierto (figura 1b) con la tapa desmontada; Figures 1a, 1b: A side view of the relay, according to the invention, with a contact spring in the closed relay position 30 (figure 1a) and in the open relay position (figure 1b) with the cover removed;

Figuras 2a, 2b: Una vista aumentada de un detalle del relé de la figura 1 en la zona del resorte de contacto en la posición de relé cerrado (figura 2a) y en la posición de relé abierto (figura 2b); Figures 2a, 2b: An enlarged view of a detail of the relay of Figure 1 in the area of the contact spring in the closed relay position (Figure 2a) and in the open relay position (Figure 2b);

Figura 3: Una vista en sección del relé de la figura 1, según la línea III-III en la figura 1a; y Figure 3: A sectional view of the relay of Figure 1, according to line III-III in Figure 1a; Y

Figura 4: El relé de la invención con dos resortes de contacto paralelos en una vista análoga a la de la 35 figura 3. Figure 4: The relay of the invention with two parallel contact springs in a view analogous to that of Figure 3.

El relé (1) mostrado en las figuras 1 a 3 comprende dos contactos (2, 3) y un resorte de contacto (4) que cierra o interrumpe un circuito eléctrico entre ambos contactos (2, 3) del relé y que está realizado en forma de resorte plano o de ballesta eléctricamente conductora. Un extremo del resorte de contacto (4) está montado de forma eléctricamente conductora en el contacto superior (2), según la figura 1, mientras que el otro extremo (5) libre soporta un botón de 40 contacto (6) y puede ser desviado mediante un accionamiento magnético (7). En la posición de relé cerrado, el resorte de contacto (4) puede ser desviado de tal manera hacia abajo (figura 1a) que su botón de contacto (6) se apoya en un botón de contacto (8) del contacto inferior (3) del relé, y en la posición de relé abierto (figura 1b) está desviado de tal manera hacia arriba que su botón de contacto (6) se encuentra separado del botón de contacto (8) del contacto inferior (3) del relé. 45 The relay (1) shown in Figures 1 to 3 comprises two contacts (2, 3) and a contact spring (4) that closes or interrupts an electrical circuit between both contacts (2, 3) of the relay and is made in shape of flat spring or electrically conductive crossbow. One end of the contact spring (4) is electrically conductively mounted on the upper contact (2), according to Figure 1, while the other free end (5) supports a 40-contact button (6) and can be deflected by means of a magnetic drive (7). In the closed relay position, the contact spring (4) can be deflected downwards (figure 1a) that its contact button (6) is supported by a contact button (8) of the lower contact (3) of the relay, and in the open relay position (figure 1b) it is deflected upwards so that its contact button (6) is separated from the contact button (8) of the lower contact (3) of the relay. Four. Five

El accionamiento magnético (7) comprende una bobina magnética de polaridad reversible (9) con un círculo magnético en cuyas dos alas de culata (10) está montada, con capacidad de giro, una armadura (balancín) (11) con un imán permanente (no mostrado). El imán permanente está dispuesto entre dos placas de armadura (12) que se apoyan en ambas posiciones de conmutación de la armadura (11) en las alas de culata (10). La bobina magnética (9) y la armadura (11), que puede girar entre sus dos posiciones de conmutación, constituyen una atracción de armadura en H. 50 La armadura (11) presenta un brazo (11a) que sobresale radialmente y recubre el resorte de contacto (4) en su dirección de desviación (doble flecha (13)) por debajo con un saliente inferior (14) y por encima con un saliente superior (15). Dicho de otro modo, el resorte de contacto (4) está dispuesto en dirección de desviación (13) entre los dos The magnetic drive (7) comprises a reversible polarity magnetic coil (9) with a magnetic circle on whose two cylinder head wings (10), armature (rocker) (11) with a permanent magnet is mounted, with turning capacity. not shown). The permanent magnet is disposed between two armor plates (12) that rest on both armature switching positions (11) on the cylinder head wings (10). The magnetic coil (9) and the armature (11), which can rotate between its two switching positions, constitute an attraction of armature in H. 50 The armature (11) has an arm (11a) that protrudes radially and covers the spring contact (4) in its direction of deflection (double arrow (13)) below with a lower projection (14) and above with an upper projection (15). In other words, the contact spring (4) is arranged in the direction of deflection (13) between the two

salientes (14, 15). En el extremo libre (5) del resorte de contacto (4) está fijado un resorte de ballesta adicional (16) de acero para muelles, cuyo extremo libre es recubierto por el saliente superior (15). outgoing (14, 15). At the free end (5) of the contact spring (4), an additional spring spring (16) of spring steel is fixed, the free end of which is covered by the upper projection (15).

La armadura (11) arrastra el resorte de contacto (4) con el saliente inferior (14) en el sentido de apertura del relé (1), es decir, hacia arriba y con el saliente superior (15) mediante un resorte de ballesta adicional (16) arrastra el resorte de contacto (4) en el sentido de cierre del relé (1), es decir, hacia abajo. Dicho de otro modo, el resorte de 5 contacto (4) está acoplado en cuanto a su movimiento con la armadura (11) en el sentido de apertura y de cierre. El resorte de contacto (4) está realizado como resorte de ballesta de varias capas con un segmento arqueado (17) que sobresale lateralmente de su plano. The armature (11) draws the contact spring (4) with the lower projection (14) in the direction of opening of the relay (1), that is, upwards and with the upper projection (15) by means of an additional leaf spring (16) Drag the contact spring (4) in the direction of closing the relay (1), that is, downwards. In other words, the 5-contact spring (4) is coupled with respect to its movement with the armature (11) in the direction of opening and closing. The contact spring (4) is made as a multi-layer leaf spring with an arcuate segment (17) protruding laterally from its plane.

Para conmutar el relé (1) se cambia la polaridad del campo magnético de la bobina (9), debido a lo cual la armadura (11) gira y el resorte de contacto (4) es desviado. En la posición de relé cerrado (figura 1a) el resorte de 10 contacto (4) está desviado hacia abajo por el saliente superior (15) del brazo (11a) girado hacia abajo hasta que su botón de contacto (6) se apoya en el botón de contacto (8) del contacto inferior (3) del relé. La presión de apriete del botón de contacto (6) sobre el botón (8) del contacto inferior (3) viene dada por la fuerza que ejerce el resorte de ballesta (16) comprimida por la armadura (11). En la posición de relé cerrado el resorte de ballesta (16) actúa en contra de la desviación del resorte de contacto (4) en el sentido de la apertura, lo cual reduce el rebote al cerrar el relé (1). En 15 la posición de relé abierto, el resorte de contacto (4) está desviado hacia arriba por el saliente inferior (14) del brazo (11a) girado hacia arriba y, debido a ello el botón de contacto (6) está separado del botón (8) del contacto inferior (3) del relé. To switch the relay (1) the polarity of the magnetic field of the coil (9) is changed, due to which the armature (11) rotates and the contact spring (4) is deflected. In the closed relay position (figure 1a) the 10-contact spring (4) is deflected downwards by the upper projection (15) of the arm (11a) turned down until its contact button (6) rests on the contact button (8) of the lower contact (3) of the relay. The pressing pressure of the contact button (6) on the button (8) of the lower contact (3) is given by the force exerted by the leaf spring (16) compressed by the frame (11). In the closed relay position the leaf spring (16) acts against the deflection of the contact spring (4) in the direction of the opening, which reduces the rebound when closing the relay (1). In the open relay position, the contact spring (4) is deflected upwards by the lower projection (14) of the arm (11a) turned upwards and, due to this, the contact button (6) is separated from the button (8) of the lower contact (3) of the relay.

El resorte de ballesta (16) está dividido por un codo en un segmento posterior de resorte (16a) del lado de la fijación y un segmento delantero de resorte (16b) que está acodado hacia el resorte de contacto (4). Tal como se 20 muestra en las figuras 2a y 2b, al cerrar el relé (1) el saliente superior (15) de la armadura (11) actúa primero sobre el segmento posterior (16a) del resorte y, a continuación, sobre el segmento delantero acodado (16b). A través del ángulo entre ambos segmentos (16a, 16b) del resorte se pueden predeterminar las características elásticas de ambos segmentos (16a, 16b) individualmente de forma distinta. The leaf spring (16) is divided by an elbow into a rear spring segment (16a) on the fixing side and a front spring segment (16b) which is angled towards the contact spring (4). As shown in Figures 2a and 2b, when closing the relay (1) the upper projection (15) of the armature (11) acts first on the rear segment (16a) of the spring and then on the segment angled front (16b). Through the angle between both segments (16a, 16b) of the spring, the elastic characteristics of both segments (16a, 16b) can be predetermined individually differently.

El relé de dos contactos (1’) mostrado en la figura 4 se diferencia del relé de un solo contacto (1) porque en 25 este caso se prevén dos resortes de contacto paralelos (4a, 4b). Cada resorte de contacto (4a, 4b) soporta en el extremo libre (5a, 5b) un botón de contacto (6a, 6b) que interactúa con un botón (8a, 8b) del contacto inferior (3) del relé. Los dos resortes de contacto (4a, 4b) están dispuestos entre un saliente superior y uno inferior de la armadura (11) de forma análoga al relé de un contacto (1) en la dirección de desviación (13) y son desviados conjuntamente mediante el movimiento de giro de la armadura (11) hacia abajo a la posición de relé cerrado o bien hacia arriba a la posición de 30 relé abierto. The two-contact relay (1 ’) shown in Figure 4 differs from the single-contact relay (1) because in this case two parallel contact springs (4a, 4b) are provided. Each contact spring (4a, 4b) supports at the free end (5a, 5b) a contact button (6a, 6b) that interacts with a button (8a, 8b) of the lower contact (3) of the relay. The two contact springs (4a, 4b) are arranged between an upper and a lower projection of the armature (11) analogously to the relay of a contact (1) in the deflection direction (13) and are jointly deflected by means of the swing movement of the armature (11) down to the closed relay position or up to the 30 open relay position.

Claims (4)

REIVINDICACIONES 1. Relé (1; 1’) que comprende, como mínimo, un resorte de contacto (4; 4a, 4b) que cierra o interrumpe el circuito eléctrico entre un primer y un segundo contactos de relé (2, 3), estando un extremo de dicho resorte conectado de forma conductora con el primer contacto (2) de relé, y estando el circuito eléctrico cerrado en una primera posición del resorte de contacto (4; 4a, 4b), o bien interrumpido en una segunda posición de dicho resorte (4; 4a, 4b) a través de 5 su otro extremo libre (5; 5a; 5b), y un accionamiento magnético (7) para desviar el resorte de contacto (4; 4a, 4b) a la correspondiente posición, presentando dicho accionamiento magnético (7) una bobina magnética (9) de polaridad reversible y una armadura (11) dotada de un imán permanente y que está montada en la bobina magnética (9) con capacidad de giro entre dos posiciones de conmutación, y estando el, como mínimo, un resorte de contacto (4; 4a, 4b) recubierto por la armadura (11) tanto por debajo, como por encima en su dirección de desviación (13), caracterizado 10 porque el como mínimo un resorte de contacto (4; 4a, 4b) está acoplado en cuanto a su movimiento con la armadura (11) en el sentido de su posición de relé cerrado mediante un resorte adicional (16) fijado en el resorte de contacto (4). 1. Relay (1; 1 ') comprising at least one contact spring (4; 4a, 4b) that closes or interrupts the electrical circuit between a first and second relay contacts (2, 3), being a end of said spring conductively connected to the first relay contact (2), and the electrical circuit being closed in a first position of the contact spring (4; 4a, 4b), or interrupted in a second position of said spring (4; 4a, 4b) through its other free end (5; 5a; 5b), and a magnetic drive (7) to deflect the contact spring (4; 4a, 4b) to the corresponding position, presenting said magnetic drive (7) a magnetic coil (9) of reversible polarity and an armature (11) equipped with a permanent magnet and which is mounted on the magnetic coil (9) with the ability to rotate between two switching positions, and the at least one contact spring (4; 4a, 4b) covered by the armature (11) both below, co or above in its direction of deflection (13), characterized in that the at least one contact spring (4; 4a, 4b) is coupled with respect to its movement with the armature (11) in the direction of its closed relay position by means of an additional spring (16) fixed on the contact spring (4). 2. Relé, según la reivindicación 1, caracterizado porque la armadura (11) presenta un brazo (11a) que sobresale radialmente con respecto a su eje de giro y está dotado de dos salientes (14, 15) entre los cuales está dispuesto el extremo libre (5; 5a, 5b) del, como mínimo, un resorte de contacto (4; 4a, 4b). 15 2. Relay according to claim 1, characterized in that the armature (11) has an arm (11a) that protrudes radially with respect to its axis of rotation and is provided with two projections (14, 15) between which the end is arranged free (5; 5a, 5b) of at least one contact spring (4; 4a, 4b). fifteen 3. Relé, según la reivindicación 1 ó 2, caracterizado porque el resorte adicional (16) presenta un primer segmento (16a) del lado de la fijación y un segundo segmento (16b) especialmente acodado con respecto al, como mínimo, un resorte de contacto (4; 4a, 4b). 3. Relay according to claim 1 or 2, characterized in that the additional spring (16) has a first segment (16a) of the fixing side and a second segment (16b) especially angled with respect to at least one spring of contact (4; 4a, 4b). 4. Relé, según una de las reivindicaciones anteriores, caracterizado porque la armadura (11) está montada con capacidad de giro en dos alas de culata (10) de la bobina magnética (9). 20 4. Relay according to one of the preceding claims, characterized in that the armature (11) is mounted with the ability to rotate on two cylinder head wings (10) of the magnetic coil (9). twenty
ES07023642T 2007-03-08 2007-12-06 RELAY. Active ES2355592T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007011328A DE102007011328A1 (en) 2007-03-08 2007-03-08 relay
DE102007011328 2007-03-08

Publications (1)

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ES2355592T3 true ES2355592T3 (en) 2011-03-29

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EP (1) EP1968083B1 (en)
AT (1) ATE487224T1 (en)
DE (2) DE102007011328A1 (en)
ES (1) ES2355592T3 (en)
SI (1) SI1968083T1 (en)

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DE19715261C1 (en) * 1997-04-12 1998-12-10 Gruner Ag Relay
DE10162585C1 (en) 2001-12-19 2003-04-24 Gruner Ag Electrical relay has auxiliary spring acting on switched contact spring in closed contact position for reducing rebound

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EP1968083A1 (en) 2008-09-10
ATE487224T1 (en) 2010-11-15
DE102007011328A1 (en) 2008-09-11
EP1968083B1 (en) 2010-11-03
SI1968083T1 (en) 2011-01-31

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