EP3785287A1 - Relais - Google Patents
RelaisInfo
- Publication number
- EP3785287A1 EP3785287A1 EP19717829.6A EP19717829A EP3785287A1 EP 3785287 A1 EP3785287 A1 EP 3785287A1 EP 19717829 A EP19717829 A EP 19717829A EP 3785287 A1 EP3785287 A1 EP 3785287A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- armature
- relay
- yoke
- contact arm
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/548—Contact arrangements for miniaturised relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/043—Details particular to miniaturised relays
- H01H2050/044—Special measures to minimise the height of the relay
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2235/00—Springs
- H01H2235/01—Spiral spring
Definitions
- the present disclosure relates to a relay for mounting in space-reduced terminal blocks.
- a relay may have electrical connection contacts, which have a minimum distance with respect to minimum insulation distances to be maintained.
- the electrical connection contacts of the relay are arranged according to the minimum isolation distances in a row. It may be necessary to prevent falling below the minimum insulation distances. Accordingly, an increase in a packing density of side by side, in particular arranged in a terminal block relay can be achieved by reducing a width perpendicular to the row of electrical connection contacts.
- Typical switching arrangements within a relay for example, have a minimum width of 5-6 mm and can be used for terminal blocks with a minimum terminal width of 6 mm. Accordingly, there is the disadvantage that these relays are not suitable for terminal blocks with a width of 3 mm and a use of these terminal blocks may not be possible.
- a relay comprising an armature, an armature bearing spring and a yoke, wherein the armature and the yoke are arranged parallel to a support plane and the armature by means of the armature bearing spring in an actuating direction is held perpendicular to the support plane on the yoke.
- the armature may interact electromagnetically with the yoke to move the armature at least partially along the direction of actuation. With the movement of the armature can be opened via a coupling with an insulating a mechanical switching contact or getting closed. The switching contact can be switched in a direction parallel to the actuating direction.
- the disclosure relates to a relay for mounting in space-reduced terminal blocks.
- the relay has an electromagnetic drive assembly comprising an armature, an armature bearing spring and a yoke.
- the armature is at least partially spaced from the yoke, movably supported, and configured to reduce a distance between the yoke and the armature by the action of an electromagnetic force on the armature.
- the armature bearing spring is designed to act on the armature with a spring force, which counteracts the electromagnetic force.
- the yoke is adapted to interact electromagnetically with the armature to apply the electromagnetic force to the armature.
- the relay has a contact spring, which has a first contact surface and a contact arm.
- the contact arm is spaced from the first contact surface and configured to abut against the first contact surface with a pressure force acting on the contact arm to establish an electrical connection between the first contact surface and the contact arm.
- the relay has an insulating element, which is arranged on the armature and rests on the contact arm. The insulating member is adapted to electrically isolate the armature from the contact arm and to actuate the contact arm to effect the pressing force on the contact arm with movement of the armature.
- the armature, the insulating member, the contact arm and the yoke are each arranged parallel to a support plane, wherein the armature, the insulating member and the contact arm are mounted at least partially vertically movable with respect to the support plane.
- the relay may correspond to a relay with a standardized size and / or footprint with which a height, a width, a depth and / or a terminal contact arrangement of the relay are defined.
- the relay may be a narrow network relay (SNR).
- SNR narrow network relay
- a width of the relay can be reduced from 6 mm to 3 mm or 3.5 mm.
- the electromagnetic drive arrangement can be configured to cause a rotation of the armature by receiving electrical energy, which is transmitted via the armature Insulating element is coupled to the contact spring. Accordingly, the contact arm of the contact spring can be moved to interrupt or establish an electrical contact between the contact surface and the contact arm.
- the amount of rotation of the armature can be different with respect to the amount of translation of the contact arm, since the insulating element can form a lever with which the translation of the contact arm relative to the rotation of the armature can be increased and / or reduced. Furthermore, an electromagnetic force acting on the armature can be transmitted to the contact arm by means of the insulating element, so that the contact arm acts, for example, with a lever force on the contact surface.
- the leverage may be greater or less than the electromagnetic force.
- the contact arm, the insulating element and the armature are mounted without play in order to realize an efficient transmission of force from the armature to the contact arm.
- a coupling between the contact arm and the insulating member may be biased by means of a spring force generated by the contact arm.
- the insulating element can also be firmly connected, in particular by means of a positive and / or non-positive connection with the armature.
- the armature may rest on the yoke with a first surface and be spaced from the yoke by a second surface, such that the distance between the second surface and the yoke forms a working gap formed by the rotation of the armature due to the action of the electromagnetic force between the yoke Anchor and the yoke can be overcome.
- the anchor can overcome the working gap in particular by a tilting movement and / or bending.
- the insulating element may, for example, form an extension of the armature, wherein the insulating element in particular has a greater distance from the first surface than the second surface of the armature, so that the insulating element traverses a greater distance when overcoming the working gap than defined by the working gap.
- the contact arm is adapted to deform elastically upon the action of the compressive force perpendicular to the support plane to produce a spring biasing force counteracting the compressive force.
- An elasticity and / or a bending ability of the contact arm can be adjusted such that the pressure force with which presses the insulating on the contact arm, is large enough to realize a translation of the contact arm in a direction opposite to the spring tension, in particular perpendicular to the support plane.
- the distance which can be overcome by means of the translation of the contact arm corresponds at least to the distance between the contact arm and the first contact surface in order to establish an electrical connection by means of a mechanical contact between the contact arm and the first contact surface.
- the contact arm may be movably mounted, in particular be rotatably mounted on the axis of rotation or tilt axis in the action of the pressure force, in order to come into abutment with a rotational or tilting movement on the first contact surface.
- the contact arm may be connected to the insulating element, in particular by means of a non-positive and / or positive connection, so that the contact arm can follow movements of the insulating in both directions.
- the contact arm is configured to disconnect the electrical connection of the contact arm with the first contact surface, if the spring tension force is greater than the pressure force.
- a return movement of the armature from the yoke can be realized by establishing the working gap between the yoke and the armature. Due to the elastic deformation of the armature may have in addition to the spring force and / or the spring tension a tension which reaches a provision of the armature of the yoke.
- the contact arm is arranged perpendicular to the insulating element.
- a relay construction length of the relay in the direction of the insulating element or of the armature can advantageously be reduced.
- an electrical connection contact of the contact which outside a relay housing may be arranged along the orientation of the contact arm. Accordingly, the relay construction length of the relay can be increased only by a width of the contact arm.
- a further electrical connection contact of the first contact surface can be led out of the relay housing at least partially parallel to the contact arm. Accordingly, only a width of the further electrical connection contact can contribute to an increase in the relay construction length. In addition, possibly prescribed insulation distances between the connection contacts must be taken into account, which prescribe a minimum distance of the contacts, wherein the minimum distance can contribute to an increase in the relay construction length.
- the yoke is U-shaped and includes a first yoke leg and a second yoke leg, wherein the armature is at least partially resiliently mounted on the first yoke leg by means of the armature bearing spring and spaced from the second yoke leg, and wherein the first yoke leg and the second yoke leg are arranged in the support plane and the armature is arranged perpendicular to the first yoke leg and / or the second yoke leg.
- the armature may for example rest with the first surface on the first yoke leg and / or the second surface may be aligned with the second yoke leg, so that in the electromagnetic interaction of the armature with the yoke of the armature comes to rest with the second surface on the second yoke leg ,
- the armature may be frictionally secured to the first yoke leg via the armature bearing spring.
- the armature bearing spring may be configured to press the first surface of the armature onto the first yoke leg.
- the armature bearing spring may further counteract the spring biasing force of the contact arm if the armature is spaced from the yoke by means of the spring urging force beyond a rest position. Accordingly, in this case, the spring force of the armature bearing spring may act against the spring biasing force of the contact arm.
- the armature can for example come to rest at the respective ends of the first yoke leg and the second yoke leg, respectively be aligned with the yoke legs.
- the anchor may be in relation to a relay height of the relay, to which the yoke legs are aligned in parallel, complete with the yoke or arranged lower to prevent an increase in the height of the relay by the armature.
- the armature is paramagnetic or ferromagnetic to provide, upon the action of the magnetic force, a distance between the armature and the second yoke leg along a perpendicular of the support plane through movement toward the second yoke leg and / or through deformation in the direction of the second yoke leg To reduce yoke legs.
- the advantage is achieved that the armature can overcome a working gap between the armature and the second yoke leg to actuate the contact spring via the insulating element.
- the return movement of the armature can also be achieved by the force applied by the contact arm spring tension force and / or the spring force applied by the armature bearing spring.
- the relay comprises an electromagnetic coil and a coil support, wherein the electromagnetic coil is arranged with the coil support on the yoke, and wherein the yoke is adapted to enforce the armature with a magnetic field generated by the electromagnetic coil to the electromagnetic force to create.
- the yoke can in particular form a coil core of the electromagnetic coil, which is traversed by a magnetic field during a current flow through the electromagnetic coil.
- the yoke may be ferromagnetic or paramagnetic so that the magnetic field can be guided in the yoke.
- the yoke is shaped such that a magnetic field strength between the second yoke leg and the armature, in particular on the second surface can be increased in order to improve the magnetic coupling of the yoke with the armature.
- the coil support has a recess parallel to the support plane, in which the electromagnetic coil engages at least partially on the yoke to reduce a width perpendicular to the support plane.
- a composite of yoke and electromagnetic coil has a minimum width, so that a width of the relay advantageously not increased or is minimal.
- the inductance of the electromagnetic coil may be proportional to a number of coil windings, with the number of coil windings can also increase the necessary space of the coil in the direction of the relay width.
- an electromagnetic coupling strength of the armature with the yoke may depend on a width of the yoke. Accordingly, with a given maximum relay width, it may be necessary to maximize the electromagnetic coupling strength between the armature and the yoke. It is therefore advantageous to fill the widest possible width with the yoke and / or the coil windings in the direction of the relay width. Accordingly, the width of the bobbin is minimized with the recess in the direction of the relay width, so that the available space for the electromagnetic coil or for the yoke can be maximized.
- the coil holder can be configured to hold the electromagnetic coil laterally of the first yoke leg, in particular on the sides of the first yoke leg aligned perpendicular to the relay width.
- the relay may further comprise a further electromagnetic coil, wherein the electromagnetic coil is arranged on the first yoke leg and the further electromagnetic coil is arranged on the second yoke leg.
- the electromagnetic coils may be electrically connected to each other in series or in parallel. The coils can be supplied with an electrical signal via two relay connection contacts.
- the contact spring has a second contact surface, wherein the contact arm is arranged on the second contact surface and designed to electrically separate the second contact surface from the contact arm with the action of the pressure force.
- the relay can have two closing contacts. In a first switching state, the relay can produce an electrical connection between the first contact surface and the contact arm, and in a second switching state, the relay can produce an electrical connection between the second contact surface and the contact arm.
- the contact arm is designed to restore the electrical connection of the contact arm with the second contact surface after a decay of the pressure force.
- the advantage is achieved that the relay is either in the first switching state or in the second switching state, so that in particular a persistence of the contact arm in a position in which the contact arm electrically contacts neither the first contact surface nor the second contact surface can be prevented ,
- the contact arm is aligned in a bearing direction perpendicular to the armature, wherein the first contact surface along the bearing direction has a smaller distance to the insulating member than the second contact surface.
- the contact arm may in particular be aligned parallel to the first yoke leg and / or the second yoke leg and include a right angle with the insulating element and / or the armature.
- the first contact surface and the second contact surface can in particular staggered contact the contact arm electrically.
- contact points may be provided on the respective contact surface and / or the contact, which have a width in the direction of the relay width. Accordingly, an arrangement of the contact points can be prevented one above the other by an offset arrangement of the contact point of the first contact surface to the contact point of the second contact surface, so that the relay width can be advantageously reduced with this arrangement of the contact points.
- the relay includes a relay housing having a cup-shaped receiving table for receiving the electromagnetic drive assembly with the insulating member and the contact spring, wherein the contact spring is arranged laterally adjacent to the yoke to reduce a relay width of the relay.
- the relay housing may in particular be designed to dust-proof and / or terminate the relay in order to protect the electromagnetic drive arrangement and / or the contact spring from external influences, in particular moisture and / or contaminants.
- the relay can thus also be used in potentially explosive areas.
- the relay can be assembled under a protective atmosphere and sealed with the relay housing, so that the protective atmosphere within the relay housing preserved.
- the relay may for example be filled with a protective fluid, in particular a protective gas, in order to prevent contact erosion and / or arcing and / or corrosion at the contact points.
- the housing may have holding depressions and latching elements, which are designed to hold components of the electromagnetic drive arrangement and / or the contact spring in the relay housing by means of a positive connection and / or frictional connection.
- the first contact surface on a base of the relay housing the contact arm spaced above the first contact surface and the insulating disposed above or next to the contact arm.
- the contact arm is arranged in a switching direction perpendicular to the support plane over the first contact surface and / or under the second contact surface.
- the insulating element may come to rest in this switching direction above the contact arm at this or be connected to this.
- the insulating element may be laterally connected to the contact arm in order not to project beyond the contact arm in the switching direction.
- the contact arm includes a contact portion, a crank portion, and a mounting portion, wherein the first contact surface is disposed on the contact portion, and wherein the contact portion is connected to the attachment portion via the crank portion, and wherein the crank portion is formed, the contact portion with respect to be arranged offset on the mounting portion along an axis, which is parallel to the relay width, in particular perpendicular to the support plane, aligned.
- the contact arm in particular the Kröpfungsabêt may be stepped, for example z-shaped or s-shaped to overcome a distance in the direction of the relay height between the second contact surface and the attachment portion.
- the Kröpfungsabêt may comprise a spring element and / or be designed to be elastic in order to generate at a deflection of the spring arm via the insulating a restoring force, which drives the contact arm back to an initial position.
- the attachment portion may be configured to be secured to a portion receptacle with a rivet, weld, solder, adhesive and / or snap connection.
- the section receptacle is in particular designed to be electrically conductive and connected to a switching contact connection via which the contact arm can be acted upon by an electrical signal.
- the offset between contact portion and crank portion achieved by the crank portion may be smaller than the relay width in particular.
- the contact portion has the contact points for electrical connection to the first contact surface and the second contact surface
- the contact arm has a receiving arm, which is integrally formed on the contact portion and / or the Kröpfungsabites, wherein the receiving arm is adapted to receive the insulating at least partially, to form a positive connection and / or frictional connection with the insulating.
- the advantage is achieved that the mechanical connection to the insulating element can be spatially decoupled from the electrical contacting of the contact arm with the first contact surface and / or the second contact surface. Accordingly, the receiving arm can be arranged such that the available space can be used optimally and in particular a space requirement (footprint) and / or the relay width of the relay are not increased.
- the receiving arm may extend in a quarter-circle manner from the contact arm, in particular parallel to the support plane. Further, the receiving arm may comprise a positive connection, with which the receiving arm can be positively and / or non-positively connected to the insulating element.
- the receiving arm may further form a semicircle, wherein the receiving arm crosses at a vertex of the semicircle with the contact arm, so that the contact arm in each case forms a curved, in particular quarter-circular arm on both sides of the contact arm and parallel to the support plane.
- the contact arm may be displaced with respect to the contact portion of the contact arm along an axis parallel to the relay height to arrange the contact arm in particular closer to the bottom plate of the relay housing or closer to a side wall closing the relay.
- FIG. 1 shows a relay in one embodiment
- Fig. 2a, 2b a relay in one embodiment
- 3 shows a relay in one embodiment
- Fig. 4a, 4b a relay in one embodiment
- Fig. 5 shows a relay in one embodiment
- Fig. 6a, 6b a relay in one embodiment
- Fig. 7 shows a relay in one embodiment
- Fig. 1 shows a schematic representation of a relay 100 for mounting in space-reduced terminal blocks.
- the relay 100 includes an electromagnetic drive assembly 101 that includes an armature 103, an armature bearing spring 105, and a yoke 107.
- the armature 103 is at least partially spaced, movably mounted and configured with respect to the yoke 107 to reduce a distance between the yoke 107 and the armature 103 with the action of an electromagnetic force on the armature 103.
- the armature bearing spring 105 is designed to act on the armature 103 with a spring force which counteracts the electromagnetic force. Furthermore, the yoke 107 is formed to interact electromagnetically with the armature 103 to urge the armature 103 with the electromagnetic force.
- the relay 100 comprises a contact spring 109, which has a first contact surface 11 1-1 and a contact arm 113.
- the contact arm 113 is spaced from the first contact surface 11 1-1 arranged and formed, with a force acting on the contact arm 1 13 pressing force on the first Contact surface 11 1-1 come to the plant to establish an electrical connection between the first contact surface 11 1-1 and the contact 113.
- the relay 100 comprises an insulating element 15, which is arranged on the armature 103 and rests on the contact arm 13.
- the insulating member 1 15 is adapted to electrically isolate the armature 103 from the contact arm 1 13 and to actuate the contact arm 113 to cause the pressure force on the contact arm 1 13 with a movement of the armature 103.
- the armature 103, the insulating member 1 15, the contact arm 1 13 and the yoke 107 are each arranged parallel to a support plane 1 17 and the armature 103, the insulating member 115 and the contact arm 1 13 are at least partially perpendicular with respect to the support plane 1 17 movably mounted.
- the contact arm 113 is formed to deform elastically at the action of the compressive force perpendicular to the support plane 1 17 to produce a spring tension, which counteracts the pressure force. Further, the contact arm 113 is formed to separate the electrical connection of the contact arm 1 13 with the first contact surface 11 1-1, if the spring tension force is greater than the pressure force.
- the contact arm 1 13 is arranged perpendicular to the insulating member 115.
- the yoke 107 is U-shaped and comprises a first yoke leg 119-1 and a second yoke leg 119-2, wherein the armature 103 is resiliently mounted on the first yoke leg 119-1 by means of the armature bearing spring 105.
- the first yoke leg 119-1 and the second yoke leg 119-2 are arranged in the support plane 17 and the armature 103 is arranged perpendicular to the first yoke leg 119-1 and the second yoke leg 119-2.
- the relay 100 further includes two electromagnetic coils 121-1, 121-2 and two coil supports 123-1, 123-2.
- the electromagnetic coil 121-1 is arranged with the coil support 123-1 on the first yoke leg 1 19-1 and the further electromagnetic coil 121-2 is arranged with the further coil support 123-2 on the second yoke leg 119-2.
- the yoke 107 is configured to penetrate the armature 103 with a magnetic field generated by the electromagnetic coil 121-1 to generate the electromagnetic force.
- the coil supports 123-1, 123-2 have parallel to the support plane 117 each have a recess 125 in which the respective electromagnetic coil 121-1, 121-2 engages the respective yoke legs 119-1, 119-2, to a width the composite consisting of the respective yoke leg 119-1, 119-2, the respective electromagnetic coil 121-1, 121-2 and the respective bobbin 123-1, 123-2 perpendicular to the support plane 117 to reduce.
- the contact spring 109 has a second contact surface 11 1-2, and the contact arm 1 13 is arranged and formed on the second contact surface 11 1-2, with the action of the pressing force, the second contact surface 11 1-2 of the contact arm 1 13 to electrically separate.
- the contact arm 113 is further configured, after a decay of the pressure force, the electrical connection of the contact arm 113 with the second contact surface 11 1-2 restore. Furthermore, the contact arm 113 is aligned in a bearing direction 127 perpendicular to the armature 103, and the first contact surface 11 1-1 has a smaller distance to the insulating member 115 along the bearing direction 127 than the second contact surface 11 1-2.
- the relay 100 further includes a relay housing 129 having a cup-shaped receiving recess 131 for receiving the electromagnetic drive assembly 101 with the insulating member 115 and the contact spring 109.
- the contact spring 109 is disposed laterally adjacent to the yoke 107 to reduce a relay width of the relay 100. With respect to the relay width, the first contact surface 111-1 on a base 133 of the relay housing 129, the contact arm 113 spaced above the first contact surface 1 1 1-1 and the insulating member 1 15 above the contact arm 1 13 arranged.
- the contact arm 113 has a contact portion 135, a Kröpfungsabrough 137 and a mounting portion 139, wherein the first contact surface 11 1-1 below the contact portion 135 and the second contact surface 1 1 1-2 are arranged above the contact portion 135.
- the contact portion 135 is connected to the attachment portion 139 via the crank portion 137, and the crank portion 137 is configured to stagger the contact portion 135 with respect to the attachment portion 139 along an axis that is parallel to the relay width and perpendicular to the support plane 1 17 ,
- the contact arm 1 13 has a receiving arm 307, which is integrally formed on the contact portion 135 and / or the Kröpfungsabêt 137, and wherein the receiving arm 307 is formed to receive the insulating member 15 at least partially, a positive connection and / or frictional connection to form with the insulating element 1 15.
- the first contact surface 11 1-1 and the second contact surface 11 1-2 are each integrally formed from an electrically conductive Blechplatinen consultancy, which has round attachment points, in particular rivet points.
- the first contact surface 11 1-1 is L-shaped with one end of the shorter leg aligned with the contact arm 13.
- a switch contact terminal 145-1 is formed, which protrudes from the relay housing 129 and is adapted to be inserted into a contact plug, to act on the first contact surface 11 1-1 with an electrical signal.
- the second contact surface 11 1-2 is angled, wherein a first angled leg 149 is aligned with the contact arm 1 13 and another angled leg 150 spaced parallel to the contact arm 1 13 is arranged. On the further angled leg 150, a further switching terminal contact 145-3 is formed, which protrudes from the relay housing 129 and is designed to be inserted into a contact plug to act on the second contact surface 11 1-2 with an electrical signal.
- the second contact surface 11 1-2 further includes an offset portion 147, which connects the angled legs 149, 150 and is formed to arrange the two angled legs 149, 150 along the relay width, respectively perpendicular to the support plane 1 17 offset. Accordingly, the angled leg 149 is disposed above the contact arm 1 13 and the further angled leg 150 is arranged in a plane, in particular the support plane 117 with the first contact surface 11 1-1. Accordingly, a number of the respective attachment points of the first contact surface 11 1-1 and the second contact surface 11 1-2 is arranged in the support plane 117.
- the relay 100 further has another switching terminal contact 145-2, which is arranged parallel to the switching terminal contacts 145-1 and 145-3, and protrudes from the relay housing 129.
- the further switching terminal contact 145-2 is electrically connected to the contact arm 1 13.
- the relay 100 further has two relay pads 143-1, 143-2 electrically connected to the electromagnetic coils 121-1, 121-2 for applying an electric signal to the electromagnetic coils 121-1, 121-2.
- FIG. 2 a shows a schematic cross-sectional view of the relay 100, wherein the cross-sectional plane runs along the sectional plane 141 shown in FIG. 1.
- the relay 100 includes a relay housing 129 having a cup-shaped receiving recess 131 for receiving the electromagnetic drive assembly 101 with the first yoke leg 119-1 and the second yoke leg 1 19-2.
- the electromagnetic coil 121-2 is disposed with the bobbin 123-2 on the second yoke leg 119-2.
- the yoke 107 is configured to penetrate the armature 103 with a magnetic field generated by the electromagnetic coil 121-1 to generate the electromagnetic force.
- the coil support 123-2 has parallel to the support plane 117 has a recess 125 in which the electromagnetic coil 121-2 engages the second yoke leg 119-2 to reduce a width perpendicular to the support plane 117.
- the armature 103 is arranged at a distance from the second yoke limb 119-2, so that a working gap 201 exists between the armature 103 and the second yoke limb 119-2. With the action of the electromagnetic force, the working gap 201 can be overcome by a movement of the armature 103, so that the armature 103 comes into contact with the second yoke leg 119-2. Further, the relay terminal contact 143-1 is shown, which extends parallel to the support plane 117.
- FIG. 2b shows a schematic cross-sectional view of the relay 100, wherein the cross-sectional plane runs along the sectional plane 127 shown in FIG.
- the relay 100 includes a relay housing 129 having a cup-shaped receiving recess 131 for receiving the electromagnetic drive assembly 101 with the insulating member 115 and the contact spring 109, With respect to the relay width, the first contact surface 11 1-1 on a base 133 of the relay housing 129, the contact arm 1 13 spaced above the first contact surface 11 1-1 and the insulating member 1 15 above the contact arm 1 13 arranged.
- the first contact surface 11 1-1 and the second contact surface 11 1-2 contact the contact arm 1 13 offset from one another.
- At contact surfaces of the first contact surface 11 1-1 and the second contact surface 11 1-2 with the contact arm 1 13 are at the respective contact surface 11 1-1, 11 1-2 and on the contact arm 1 13 contact points 203-1, 203-2 , 203-3, 203-4, which have a width in the direction of the relay width. Accordingly, by an offset arrangement of Contact point 203-3 of the first contact surface 11 1-1 to the further contact point 203- 4 of the second contact surface 11 1-2 a superposed arrangement of the contact point pairs 203-1, 203-3 and 203-2, 203-4 are prevented.
- the relay width is advantageously reduced with this arrangement of the contact points 203-1, 203-2, 203-3, 203-4.
- the contact arm 113 has a contact portion 135, a Kröpfungsabrough 137 and a mounting portion 139, wherein the first contact surface 11 1-1 below the contact portion 135 and the second contact surface 1 1 1-2 are arranged above the contact portion 135.
- the contact portion 135 is connected to the attachment portion 139 via the crank portion 137, and the crank portion 137 is configured to stagger the contact portion 135 with respect to the attachment portion 139 along an axis that is parallel to the relay width and perpendicular to the support plane 117.
- the switch contact terminal 145-2 is electrically conductively connected via a rivet connection 205 to the attachment portion 139 of the contact arm 113.
- Fig. 3 shows a schematic representation of a relay 100 for mounting in space-reduced terminal blocks.
- the relay 100 includes an electromagnetic drive assembly 101 that includes an armature 103, an armature bearing spring 105, and a yoke 107.
- the armature 103 is at least partially spaced from the yoke 107, movably mounted.
- the relay 100 comprises a contact spring 109, which has a first contact surface 11 1-1, a second contact surface 11 1-2 and a contact arm 113.
- the contact arm 1 13 is spaced from the first contact surface 11 1-1 arranged.
- the relay comprises an insulating element 115, which is arranged on the armature 103 and rests on a receiving arm 307 of the contact arm 113.
- the insulating member 1 15 is adapted to electrically isolate the armature 103 from the contact arm 113 and to actuate the contact arm 1 13 via the receiving arm 307 to cause the pressure force on the contact arm 13 with a movement of the armature 103.
- the armature 103, the insulating member 115, the contact arm 113 and the yoke 107 are each arranged parallel to a support plane 117 and the armature 103, the insulating member 15 and the contact arm 113 are at least partially vertically movable with respect to the support plane 117.
- the yoke 107 is U-shaped and comprises a first yoke leg 119-1 and a second yoke leg 119-2, wherein the armature 103 is resiliently mounted on the first yoke leg 119-1 by means of the armature bearing spring 105.
- the first yoke leg 119-1 and the second yoke leg 119-2 are arranged in the support plane 17 and the armature 103 is arranged perpendicular to the first yoke leg 119-1 and the second yoke leg 119-2.
- the relay 100 further includes two electromagnetic coils 121-1, 121-2 and two coil supports 123-1, 123-2.
- the electromagnetic coil 121-1 is arranged with the coil support 123-1 on the first yoke leg 1 19-1 and the further electromagnetic coil 121-2 is arranged with the further coil support 123-2 on the second yoke leg 119-2.
- the coil supports 123-1, 123-2 have parallel to the support plane 1 17 each have a recess 125 in which the respective electromagnetic coil 121-1, 121-2 engages the respective yoke leg 119-1, 119-2, to a Width to reduce perpendicular to the support plane 117.
- the relay 100 further includes a relay housing 129 having a cup-shaped receiving recess 131 for receiving the electromagnetic drive assembly 101 with the insulating member 1 15 and the contact spring 109. Furthermore, the contact arm 1 13 is aligned in a bearing direction 127 perpendicular to the armature 103, and the first contact surface 11 1-1 and the second contact surface 11 1-2 are aligned along a common axis parallel to the support plane 117 to each other. Accordingly, there is a stacked arrangement of the spring contact switch 109 starting with the first contact surface 1 1 1-1, which is arranged on a base 133 of the relay housing 129, resting thereon or spaced from the contact arm 113 and resting on the contact arm 1 13 or spaced the second contact surface 11 1-2.
- the contact arm 113 has a contact portion 135, a Kröpfungsabrough 137 and a mounting portion 139, wherein the first contact surface 11 1-1 below the contact portion 135 and the second contact surface 1 1 1-2 are arranged above the contact portion 135.
- the contact portion 135 is connected to the attachment portion 139 via the crank portion 137, and the crank portion 137 is configured to stagger the contact portion 135 with respect to the attachment portion 139 along an axis that is parallel to the relay width and perpendicular to the support plane 117.
- the contact arm 1 13 has a receiving arm 307, which is integrally formed on the contact portion 135 and / or the Kröpfungsabêt 137, and wherein the receiving arm 307 is formed to receive the insulating member 15 at least partially, a positive connection and / or frictional connection to form with the insulating element 1 15.
- the first contact surface 11 1-1 is L-shaped with one end of the shorter leg aligned with the contact arm 13. At the longer leg, a switch contact terminal 145-1 is formed, which protrudes from the relay housing 129.
- the second contact surface 11 1-2 is angled, in particular Z-shaped, wherein a first angled leg 149 is aligned with the contact arm 113 and another angled leg 150 spaced parallel to the contact arm 1 13 is arranged. At the further angled leg 150, a further switching terminal contact 145-3 is formed
- the second contact surface 11 1-2 further includes an offset portion 147, which connects the angled legs 149, 150 and is formed to arrange the two angled legs 149, 150 along the relay width, respectively perpendicular to the support plane 1 17 offset. Accordingly, the angled leg 149 is disposed above the contact arm 1 13 and the further angled leg 150 is arranged in a plane, in particular the support plane 117 with the first contact surface 11 1-1.
- the relay 100 further has another switching terminal contact 145-2, which is arranged parallel to the switching terminal contacts 145-1 and 145-3, and protrudes from the relay housing 129.
- the further switching terminal contact 145-2 is electrically connected to the contact arm 1 13.
- the relay 100 further has two relay pads 143-1, 143-2 electrically connected to the electromagnetic coils 121-1, 121-2 for applying an electric signal to the electromagnetic coils 121-1, 121-2.
- FIG. 4 a shows a schematic cross-sectional view of the relay 100, wherein the cross-sectional plane runs along the section line 301 shown in FIG. 3.
- the relay 100 includes a relay housing 129, which has a cup-shaped receiving tables 131 for receiving the electromagnetic drive assembly 101 with the first yoke leg 119-1 and the second yoke leg 119-2 has.
- the armature 103 is spaced from the second yoke leg 119-2 and partially spaced from the first yoke leg 119-1 so that the working gap 201 exists between the armature 103 and the second yoke leg 119-2. With the action of the electromagnetic force, the working gap 201 can be overcome by a movement of the armature 103, so that the armature 103 comes into contact with the second yoke leg 119-2.
- the first contact surface 11 1-1 and the second contact surface 11 1-2 contact the contact arm 1 13 congruent to each other.
- At contact surfaces of the first contact surface 11 1-1 and the second contact surface 11 1-2 with the contact arm 1 13 are at the respective contact surface 11 1-1, 11 1-2 and at the contact arm 113 contact points 203-1, 203-2, 203-3, 203-4 provided, which have a width in the direction of the relay width.
- a width of the contact spring 109 below the relay width.
- the pad pairs 203-1, 203-3 and 203-2, 203-4 have a common axis of symmetry 403.
- the receiving arm 307 has a recess in which a coupling element 401 of the insulating member 1 15 engages to realize a positive connection between the insulating member 1 15 and the contact arm 113.
- the insulating member 115 and the second contact surface 11 1-2 do not exceed a maximum height of the armature 103 in the direction of the relay height, so that the second contact surface 11 1-2 and the insulating member 115 does not increase the relay height.
- FIG. 4 b shows a schematic cross-sectional view of the relay 100, wherein the cross-sectional plane runs along the section line 303 shown in FIG. 3.
- the relay 100 includes a relay housing 129 having a cup-shaped receiving recess 131 for receiving the electromagnetic drive assembly 101 with the second yoke leg 119-2.
- the coupling element 401 is hemispherical shaped and engages in a recess of the receiving arm 307 a.
- the coupling element 401 and the recess of the receiving arm 307 each have a radius of 0.5 mm.
- the electromagnetic coil 121-2 is disposed on the coil support 123-2 and encloses the second yoke leg 119-2 cylindrical. Furthermore, the Relay terminal contact 143-1 shown, with which the electromagnetic coil 121-2 can be acted upon with an electrical signal.
- FIG. 5 shows a schematic representation of the relay 100 with a relay housing 129, which in particular is trough-shaped open with one in the direction of the relay connection contacts 143-1, 143-2 and the switch contact terminals 145-1, 145-2, 145-3.
- a side wall 505 is further arranged, which closes the relay housing 129 laterally.
- the side wall 505 has a recess 501, with which in particular the insulation distances and creepage distances between adjacent relay 100 in the region of
- Switching connection contacts 145-1, 145-2, 145-3 can be increased, in particular without increasing a respective relay width.
- the composite of relay housing 129 and side wall 505 is closed by the bottom plate 503, so that the relay housing 129 with the side wall 505 and the bottom plate 503 has a closed interior.
- the abutting edges between the bottom plate 503 with the side wall 505 and the relay housing 129 may in particular be sealed in order to seal the relay housing 129 against dust, moisture or other environmental influences.
- a fastener 509-3 are formed on the relay housing 129 fasteners 509-1, 509-2, 509-4 and on the side wall 505, a fastener 509-3 are formed.
- the fastening elements 509-1, 509-2, 509-3, 509-4 may in particular be latching noses, barbs, latching connectors, clamping connectors and / or plug connectors.
- a distance between the bottom plate 503 and a relay insertion connector may be defined, so that after plugging in the relay 100 in the relay connector, which is in particular a terminal, a Gap is formed between the relay housing 129 and the relay male connector.
- the relay housing 129, the side wall 505 and the bottom plate 503, which is offset in particular in relation to the relay housing 129 and the side wall 505 in the direction of the interior of the relay housing 129, can form a trough on the connection contact side.
- This tub can be filled with a flowable insulating material or sealing material to the relay housing 129, the switch connection contacts 145-1, 145-2, 145-3 and / or the relay connection contacts 143-1, 143-2 seal.
- the insulating or sealing material may cure after filling to produce a solid and / or elastic seal of the relay 100.
- the bottom plate 503 has contact receiving recesses 513-1, 513-2, 513-3, 513-4, 513-5, into which the switch connection contacts 145-1, 145-2, 145-3, respectively, the relay connection contacts 143-1, 143- 2 intervene.
- the side wall 505 has an embossment 507.
- the relay housing 129 further includes a form-locking connector 511, which engages in a guide groove in the side wall 505 and the side wall 505 positively connected to the relay housing 129.
- the positive connection of the side wall 505 with the relay housing 129 by means of the form-fitting connector 505 may in particular circulate the circumference of the side wall 505. Furthermore, the positive connection can be sealed by introducing a sealant.
- the form-locking connector 511 is L-shaped and formed integrally with the relay housing 129.
- the relay 100 has, in particular, a relay construction length 515 which is defined along a line parallel to a connection line of the switching connection contacts 145-1, 145-2, 145-3 and / or a longitudinal edge of the relay housing 129.
- the relay construction length 515 is in particular 28 mm.
- the relay has a relay height 517, which is defined along a further longitudinal edge of the relay housing 129 and in particular may include the fastening element 509-1.
- the relay height 517 is in particular 15 mm to 15.5 mm.
- FIG. 6 a shows a schematic side view of the relay according to the embodiment shown in FIG. 5.
- a relay width 601 is defined across a width of the relay case 129 and a width of the side wall 505.
- the relay width 601 is in particular 3 mm.
- the relay housing 129 has a fastening element 509-1, which is formed integrally with the relay housing 129.
- the switch contact terminal 145-1 rests on the base 133 of the relay 100.
- Fig. 6b shows a schematic perspective view of the side wall 505 with the bottom wall 503.
- the recess 501 forms a closed with side walls stage, which projects into the interior of the relay housing 129.
- the bottom wall 503 is attached to the side wall 505 perpendicular thereto.
- the side wall 505 also has an impression 507.
- the fastener 509-2 is flat in one Plane with the side wall 505 attached to this.
- the bottom plate 503 hastechnischernischen 513-1, 513-2, 513-3, 513-4, 513-5, with which switching contacts and / or relay contacts of the relay can be led to the outside.
- FIG. 7 shows a schematic representation of a relay 100 according to the embodiment shown in FIG. 3.
- the contact arm 113 has a receiving arm 307, which is laterally formed on the contact portion 135 and / or the Kröpfungsabêt 137.
- the receiving arm 307 has an opening 701, which is formed to receive the insulating element 15 at least partially, in order to form a positive connection and / or frictional connection with the insulating element 15.
- the insulating member 1 15 can enforce the, in particular slot-shaped aperture 701 at least partially.
- the aperture 701 may be formed by embossing in the receiving arm 307, for example.
- the coil carrier 123-1 and the further coil carrier 123-2 are connected to one another via a connecting element 707.
- the bobbins 123-1, 123-2 may be formed integrally with the connector 707.
- FIG. 8 a shows a schematic cross-sectional view of the relay 100 according to the embodiment shown in FIG. 7, the cross-sectional plane running along the section line 703 shown in FIG. 7.
- the receiving arm 307 has an opening 701, in which a coupling element 401 of the insulating member 1 15 engages to realize a positive connection between the insulating member 1 15 and the receiving arm 307.
- the coupling element 401 is cylindrical and / or conically shaped and is designed to pass through the opening 701 in order to realize a force and / or positive connection between the insulating element 15 and the receiving arm 307.
- the coupling element 401 After insertion of the coupling element 401 in the opening 701, in particular such that the coupling element 401 passes through the opening 701, the coupling element 401 has a projection in the direction of the relay housing 129.
- the coupling element 401 may be anchored by means of a snap-in connection in the opening 701 in order to prevent a release of the connection between insulating element 115 and receiving arm 307.
- the supernatant may be in a range of 0.05 to 0.5 mm.
- FIG. 8 b shows a schematic cross-sectional view of the relay 100, wherein the cross-sectional plane runs along the section line 705 shown in FIG. 7.
- the Coupling element 401 has a tapering in the direction of the insulating 115 cross-section.
- the coupling element 401 may in particular be conical, trapezoidal, pyramidal or peg-shaped in order to engage in the opening 701 in a form-fitting manner.
- the aperture 701 of the receiving arm 307 has a radius in a range of 0.1 to 1 mm in a contact region with the aperture 701.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Electromagnets (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018109864.2A DE102018109864B4 (de) | 2018-04-24 | 2018-04-24 | Relais |
| PCT/EP2019/059108 WO2019206638A1 (de) | 2018-04-24 | 2019-04-10 | Relais |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3785287A1 true EP3785287A1 (de) | 2021-03-03 |
| EP3785287B1 EP3785287B1 (de) | 2022-07-13 |
Family
ID=66182540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19717829.6A Active EP3785287B1 (de) | 2018-04-24 | 2019-04-10 | Relais |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11361925B2 (de) |
| EP (1) | EP3785287B1 (de) |
| JP (1) | JP7043724B2 (de) |
| CN (1) | CN112424899B (de) |
| DE (1) | DE102018109864B4 (de) |
| WO (1) | WO2019206638A1 (de) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1639232B1 (de) * | 1966-03-20 | 1972-10-05 | Electronic Controls Inc | Elektromagnetisches Relais |
| JPS5436037U (de) * | 1977-08-16 | 1979-03-09 | ||
| GB2016211B (en) * | 1978-02-28 | 1982-05-26 | Nippon Electric Co | Flat electromagnetic relay |
| US4339734A (en) * | 1980-02-04 | 1982-07-13 | International Standard Electric Corporation | Encased miniature relay |
| JPS57163648U (de) | 1981-04-08 | 1982-10-15 | ||
| US4383232A (en) * | 1981-10-23 | 1983-05-10 | Amf Incorporated | Low profile relay |
| JPS58121522A (ja) | 1982-01-14 | 1983-07-19 | 日本電気株式会社 | トランスフア形電磁継電器 |
| US4684909A (en) | 1985-03-26 | 1987-08-04 | Siemens Aktiengesellschaft | Electromagnetic relay |
| US4792776A (en) * | 1987-09-24 | 1988-12-20 | Siemens Aktiengesellschaft | Miniaturized electromagnetic relay for switching high voltages |
| JPH0357129A (ja) | 1989-07-26 | 1991-03-12 | Matsushita Electric Works Ltd | リレー |
| JP3322442B2 (ja) | 1993-06-25 | 2002-09-09 | 松下電工株式会社 | 高周波リレー |
| EP1253612A3 (de) * | 2001-04-26 | 2005-04-20 | Tyco Electronics AMP GmbH | Schaltrelais mit Schaltzustandanzeige |
| JP3934376B2 (ja) * | 2001-10-01 | 2007-06-20 | タイコ エレクトロニクス イーシー株式会社 | 電磁継電器 |
| JP2003115248A (ja) * | 2001-10-01 | 2003-04-18 | Tyco Electronics Ec Kk | 電磁継電器 |
| JP4116022B2 (ja) | 2005-07-11 | 2008-07-09 | ウチヤ・サーモスタット株式会社 | 電磁リレー |
| DE102006015815B3 (de) * | 2006-04-03 | 2007-09-06 | Gruner Ag | Magnetantrieb für ein Relais |
| DE102012006433B4 (de) | 2012-03-30 | 2014-01-02 | Phoenix Contact Gmbh & Co. Kg | Relais mit verbesserten Isolationseigenschaften |
| JP5991778B2 (ja) * | 2012-04-19 | 2016-09-14 | 富士通コンポーネント株式会社 | 電磁継電器 |
| CN204651253U (zh) * | 2015-04-15 | 2015-09-16 | 浙江正泰电器股份有限公司 | 磁保持继电器 |
| CN205230958U (zh) * | 2015-11-18 | 2016-05-11 | 浙江正泰电器股份有限公司 | 直流操作接触器的电磁铁装置 |
-
2018
- 2018-04-24 DE DE102018109864.2A patent/DE102018109864B4/de active Active
-
2019
- 2019-04-10 US US17/050,062 patent/US11361925B2/en active Active
- 2019-04-10 WO PCT/EP2019/059108 patent/WO2019206638A1/de not_active Ceased
- 2019-04-10 JP JP2020556966A patent/JP7043724B2/ja active Active
- 2019-04-10 EP EP19717829.6A patent/EP3785287B1/de active Active
- 2019-04-10 CN CN201980027349.5A patent/CN112424899B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11361925B2 (en) | 2022-06-14 |
| CN112424899B (zh) | 2023-12-01 |
| JP7043724B2 (ja) | 2022-03-30 |
| US20210074500A1 (en) | 2021-03-11 |
| DE102018109864A1 (de) | 2019-10-24 |
| EP3785287B1 (de) | 2022-07-13 |
| CN112424899A (zh) | 2021-02-26 |
| WO2019206638A1 (de) | 2019-10-31 |
| JP2021520037A (ja) | 2021-08-12 |
| DE102018109864B4 (de) | 2021-09-02 |
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