EP3785286A1 - Relais - Google Patents
RelaisInfo
- Publication number
- EP3785286A1 EP3785286A1 EP19717826.2A EP19717826A EP3785286A1 EP 3785286 A1 EP3785286 A1 EP 3785286A1 EP 19717826 A EP19717826 A EP 19717826A EP 3785286 A1 EP3785286 A1 EP 3785286A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- yoke
- spring
- clamping
- clamping leg
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
-
- 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
- H01H50/02—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
- 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
- H01H2050/046—Assembling parts of a relay by using snap mounting techniques
-
- 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
- H01H2050/367—Methods for joining separate core and L-shaped yoke
-
- 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
- H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
Definitions
- the disclosure relates to a relay with a reduced overall depth for use in terminal blocks, which in particular have a connection width less than or equal to 3.5 mm.
- Electromagnetic switches in particular relays typically have a mechanical switching contact, which is switchable by means of an electromagnet.
- the mechanical switch usually a predetermined force must be applied.
- the mechanical switch can be connected to an armature, which typically has a high magnetic permeability.
- the armature can be sprung coupled to the electromagnet, so that in a current flow through the electromagnet, the armature is deflected by the electromagnet and when switching off the current flow of the armature is pressed by means of a retaining spring in the rest position and a camp.
- the mechanical switch can be defined a minimum necessary switching force, which can limit a reduction of the armature yoke arrangement, since the magnetic field generated by the yoke can be proportional to the size of the yoke and a magnetic force between the yoke and the anchor below other proportional to the size of the anchor can be. Furthermore, the installation space of the armature yoke arrangement can be disadvantageously increased by the retaining spring, since the retaining spring can at least partially enclose the yoke and the armature.
- the retaining spring may be a flat-form spring which rests on the armature and on the yoke. For fastening the retaining spring fastening devices for the retaining spring may be provided on the armature and / or on the yoke, which can further adversely increase the space of the yoke-armature assembly.
- a relay having a recessed arrangement of a clamping spring for spring-mounted mounting of the armature to the yoke.
- the clamping spring is further designed such that a clamping force can be transmitted via resilient clamping legs on the yoke and on the anchor, which can be realized by means of a wave-shaped tab a space-reduced, spring-mounted mounting of the clamping spring to the anchor.
- the clamping spring is arranged in a receiving recess of the armature, so that with the attachment of the clamping spring to the armature a height of the armature can be unchanged.
- the disclosure relates to a relay, with an armature and a yoke, which is electromagnetically coupled to the armature, wherein the armature rests at least partially flat on the yoke, wherein in the armature sections, a receiving recess is formed.
- the relay comprises a bow-shaped clamping spring, which engages around the armature and the yoke frontally to fix the anchor on the yoke.
- the bow-shaped clamping spring has a first clamping leg, which is arranged in the receiving recess, and a second clamping leg, which rests on the yoke. Further, the first clamping leg on an angled tab, which engages resiliently in a recess formed in the receiving recess of the armature.
- the relay according to the invention realizes the advantage that a narrow design of the relay can be realized, which does not exceed a terminal width of 3.5 mm or 3.0 mm, so that the relay can be used in a terminal with a correspondingly narrow pitch.
- a provision of the armature can be realized according to an electromagnetic deflection of the armature relative to the yoke, so that subsequently a new deflection is possible.
- a deflection of the armature can take place such that the armature and the yoke form an acute angle.
- the armature may be ferromagnetic or paramagnetic, wherein a power efficiency of electromagnetically induced relative movement of the armature with respect to the yoke may be proportional to the magnetic permeability of the armature.
- At least one electromagnetic coil may be arranged on the yoke, it being possible for the yoke to form a coil core.
- the yoke may be ferromagnetic and in particular be formed in one piece or from a composite plate in order to realize and / or to improve a magnetic coupling by means of the magnetic coil and magnetic field generated by the armature.
- the yoke may be U-shaped, wherein in each case an electromagnetic coil may be arranged on each leg of the U-shaped yoke.
- the armature and / or the coil may be rectangular in shape.
- the armature and the yoke can be arranged congruently.
- the armature can rest on the yoke and at least partially cover both legs of the U-shaped yoke.
- the bow-shaped clamping spring may be made of an elastic material, in particular of a metal, for example steel, aluminum or copper or their alloys or a plastic, for example an elastomer, rubber or fiber-reinforced plastic.
- a bias voltage of the first clamping leg and / or the second clamping leg can be generated in each case by means of a biasing form, wherein in a tension-free state, the respective clamping leg with the respective support surface includes a larger angle than in a prestressed state.
- the prestressed state can be realized by arranging the bow-shaped clamping spring on the armature and on the yoke, the respective angle change being achieved by a pressure force applied by the armature, respectively yoke.
- the angled tab may be step-shaped, in particular curved or wavy.
- the angled tab can realize a bias of the first clamping leg with this form, in particular if the angled tab has a step height, which exceeds a depth of the recess. Accordingly, in an intervention of the angled tab in the recess, the angled tab can be elastically deformed and acted upon by a spring tension.
- the armature has a web which at least partially bridges the recess and / or terminates flush with the receiving recess.
- the advantage is achieved that the bow-shaped clamping spring can be secured against removal and / or falling off of the anchor and / or the yoke. Furthermore, the bow-shaped clamping spring can be stretched by a relative movement between the armature and the yoke. In particular, in an angular movement between the armature and yoke, accordingly, the angled tab can be raised and possibly pushed out of the recess. The web can limit a movement of the angled tab, in particular parallel to the armature movement, so that the angled tab can be held by the web in the recess.
- the angled tab in a tension-free state may have a less curved or straight shape than in a tensioned state.
- the tensioned state can be realized by engaging the angled tab in the recess, wherein the angled tab is stretched so that the angled tab exerts a compressive force on the web. Accordingly, the angled tab can form a lever with which the first clamping leg can be pressed into the receiving recess.
- the bow-shaped clamping spring has a connecting plate which connects the first clamping leg to the second clamping leg, and wherein the connecting plate rests against an armature end side and / or on a yoke front side.
- the connecting plate With a support of the connecting plate on the anchor end face respectively the yoke front side, a space of the bow-shaped clamping spring perpendicular to the armature end side and the yoke front side can be advantageously reduced.
- the armature end face and / or the yoke end face may have a recess for receiving the connection plate.
- the connecting plate may protrude beyond the yoke to realize an angular connection of the second clamping leg to the yoke.
- the second clamping leg can make an acute angle with the
- the angled tab can be almost at right angles with the
- connection plate The connection angle of the respective clamping leg to the connecting plate can with a relative movement between the armature and the yoke vary.
- the connecting plate can be integrally connected to the first clamping leg and / or the second clamping leg and, for example, be integrally formed therewith.
- the bow-shaped clamping spring can form a bearing point of the armature on the yoke.
- a relative movement of the armature with respect to the yoke at an electromagnetic deflection of the armature through the yoke at the bearing point is equal to zero or almost zero.
- the connecting plate may be rigidly formed in a longitudinal direction and be designed to be bendable perpendicular to the longitudinal direction. With the rigid formation of the connecting plate along the longitudinal direction, in particular an elongation with a change in length of the connecting plate can be prevented, so that the distance between the armature and the yoke at the bearing point can be constant. With a flexurally elastic design of the connecting plate, a rotation of the armature can be realized around the bearing point.
- the connecting plate may in particular be constructed to be elastically flexible in relation to forces acting on connecting points with the first clamping limb and / or the second clamping limb.
- the connecting plate may have a bulge in the longitudinal direction to allow rotation of the armature about the longitudinal direction of the connecting plate. Furthermore, the connecting plate may be formed in sections more flexibly than the first clamping leg and / or the second clamping leg, in order to realize an elastic spring-pressure connection of the first clamping leg to the armature and the second clamping leg to the yoke.
- a receiving depth of the receiving recess is at least equal to or greater than a depth of the arranged in the receiving recess first clamping leg to arrange the bow-shaped clamping spring on the anchor side below a surface of the armature.
- the receiving recess may extend as far as the anchor end face and / or be laterally open on one or both sides.
- the bow-shaped clamping spring can be pushed over the lateral opening of the receiving recess on the anchor.
- the closed side of the receiving recess may form a stop for the pushing of the bow-shaped clamping spring, so that with the width of the closed side, an end position of the bow-shaped clamping spring may be determined.
- the bow-shaped clamping spring on a clamping direction which is aligned with electromagnetic activation of the yoke parallel to a direction of movement of the armature or with the direction of movement of the armature forms an acute angle, wherein the first clamping leg and / or the second clamping leg at least partially perpendicular to are aligned with the clamping direction.
- the first clamping leg can follow a movement of the armature, since the first clamping leg can be fixed in the receiving recess, in particular by means of the angled tab in the recess on the armature. Accordingly, a clamping direction can also follow the movement, in particular a rotational movement, of the armature and cause a spring-mounted clamped mounting of the armature on the yoke.
- the clamping direction which is caused by the two clamping legs, deviate from a direction of movement of the armature and the armature movement direction can with the Clamping direction include an acute angle. Accordingly, there is a relative, in particular reduced clamping force of the bow-shaped clamping spring in the direction of movement of the armature.
- the bow-shaped clamping spring can be formed even with non-parallel movements of the armature to the clamping direction of the bow-shaped clamping spring a sufficiently high clamping force to apply, to clamp the anchor on the yoke to store. In particular, a relative movement of the armature with respect to the yoke in the bearing point can thus be prevented.
- the bow-shaped clamping spring on a spring force which is proportional to a deflection of the bow-shaped clamping spring, in particular linearly proportional to a deflection distance, and wherein the bow-shaped clamping spring is adapted to prevent relative movement of the armature without an electromagnetic activation of the yoke.
- the spring force may be positively proportional or nearly constant to the deflection distance such that, for an initial movement of the armature from an initial position, a lower force, in particular electromagnetically generated by the yoke, may be required as a force for returning the armature from one End position to the initial position, which is applied in particular by the tensioned bow-shaped clamping spring.
- a lower force in particular electromagnetically generated by the yoke
- the bow-shaped clamping spring is in particular an equilibrium spring.
- the magnetic field generated by electromagnetic coils after the beginning of a current flow through the electromagnetic coil having a reduced, increasing magnetic field strength.
- Even this reduced magnetic field strength can be used with a positive proportional design of the spring force to move the armature to deflect the armature.
- increasing deflection distance of the bow-shaped spring and the spring force to be overcome may increase, which, however, can be compensated by the rising magnetic field strength with increasing coil current.
- a magnetic field which continues to exist after the switching off of a current flow through the electromagnetic coils and which decreases in the magnetic field strength can already initiate a movement of the armature from the end position in the direction of the initial position.
- the magnetic field of the yoke can already be sufficiently reduced to move the armature with the spring force to the initial position.
- the spring force of the bow-shaped clamping spring may be negatively proportional to the deflection distance. Accordingly, a movement of the armature can be prevented from the initial position at low magnetic field strengths.
- the Bow-shaped clamping spring can cause a higher spring force in the initial position of the armature than in the end position of the armature. Accordingly, the bow-shaped clamping spring can have a spring force threshold, which can be compensated for example by acting on the armature magnetic force to realize a movement of the armature. With an increase in the distance between the armature and the yoke, the magnetic force acting on the armature can be reduced.
- the angled tab is adapted to cause a pressing force on the armature and the second clamping leg with the engagement in the recess, the pressure force on the second clamping leg by means of a transmission of the compressive force over a bearing surface of the armature, with which the armature the yoke rests, and a further transmission of the compressive force via a Jochauflage Structure, with which the yoke rests on the second clamping leg, is transmitted.
- the advantage is achieved that the armature and the yoke can be positively connected by means of the bow-shaped clamping spring.
- the pressure exerted by the angled tab pressure force can be compensated by a force exerted by the second clamping leg further compressive force, which is opposite to the pressure force of the angled tab. Accordingly, the interference fit of the armature can be improved on the yoke by pressing by means of the first clamping leg, in particular by means of the angled tab, and the second clamping leg.
- the angled tab may in particular resiliently engage in the recess, so that even with a relative movement of the angled tab to the recess, for example, due to movement of the armature, the pressure force of the angled tab is still applied to the armature.
- the second clamping leg has a pretension acting in the direction of the yoke, with which the second clamping leg presses against the yoke.
- the advantage is achieved that the second clamping leg can be arranged fixed in position on the yoke.
- a static friction between the second clamping leg and the yoke can be advantageously increased by means of the bias voltage.
- the bow-shaped clamping spring is integrally formed.
- the advantage is achieved that a force transmission between the first clamping leg and the second clamping leg can be realized efficiently.
- the weight of the bow-shaped clamping spring can advantageously be reduced, since in particular the first clamping leg can be connected to the second clamping leg without mechanical connection points.
- the bow-shaped clamping spring can have continuous material properties by producing the bow-shaped clamping spring from a continuous, uniform material. In particular, an elasticity and deformability of the bow-shaped clamping spring can be constant.
- the bow-shaped clamping spring may be formed from a sheet metal blank, on which by means of forming, in particular by means of bending, the first clamping leg and / or the second clamping leg are formed. Further, the sheet blank can be formed after insertion into the receiving recess and / or the recess to realize an angular arrangement of the first clamping leg to the second clamping leg and / or a bias of the angled tab, the first clamping leg and / or the second clamping leg.
- the sheet metal blank may also be made of a flat sheet, in particular punched out.
- the bow-shaped clamping spring further comprises a spring clip, which is integrally formed on the angled tab and rests at least partially on the yoke, and wherein the spring clip is formed to act on the yoke with a force acting in the direction of the armature spring force.
- the spring clip is at least partially spaced from the first clamping leg, the second clamping leg, an armature end side and / or a yoke front side.
- the spring clip may be shaped in the shape of a curl and may have two bends in order to at least partially rest on the anchor and / or the yoke. With a distance of the spring clip from the anchor end face and / or the Jochstirnseite the spring clip can be a greater leverage for pressing the bow-shaped clamping spring to the armature and / or to reach the yoke as the first clamping leg and / or the second clamping leg.
- the spring clip for example, with a smaller material strain than the first clamping leg and / or the second clamping leg exert an at least equal clamping force on the armature and / or the yoke.
- the curl-shaped geometry of the spring clip can correspond to a virtual pivot of the spring clip on a rotation axis of the armature, in particular an anchor bearing.
- An axis of rotation of the spring clip may correspond to a bearing edge of the anchor on the yoke against which the armature bearing spring bears.
- a possible elastic deformation of the bow spring can achieve a higher clamping force of the bow-shaped clamping spring relative to the armature or the yoke than a possible elastic deformation of the first clamping leg and / or the second clamping leg.
- the elastic deformation of the spring clip, the first clamping leg and / or the second clamping leg, in particular by means of bending, may be determined by a transition to plastic deformation at a bending limit of the material of the bow-shaped clamping spring.
- the bow-shaped clamping spring on another spring clip, which is integrally formed on the angled tab and at least partially spaced from the first clamping leg and / or the second clamping leg.
- the bow-shaped clamping spring can be formed symmetrically, in particular symmetrically with respect to a surface normal of the surface of the armature.
- a spring clip can be arranged laterally of the angled tab.
- the spring clip and the further spring clip may be similarly shaped, in particular identically, so that the spring clips each press with a comparable contact pressure against the contact surface of the yoke or the armature.
- the spring clip is connected on the yoke side to the second clamping limb in order to form a common bearing surface of the spring clip and the second clamping limb lying on the yoke.
- the advantage is achieved that different contact forces of the second clamping leg and the first spring clip can be compensated via the yoke-side connection.
- a contact pressure of the second Clamping leg can be combined with a contact force of the spring clip and press as a combined contact force on the bearing surface of the yoke.
- connection between the second clamping leg and the yoke can be realized by means of a yoke-side connecting plate, which rests at least partially flat on the support surface of the yoke.
- the second clamping leg and / or the spring clip may be connected at an angle to the yoke-side connecting plate.
- the spring clip is at least partially disposed at an angle to the receiving recess and / or the yoke, in order to increase a contact pressure with which the spring clip acts on the receiving recess and / or a yoke support surface, wherein a height of the angular arrangement of the spring clip in the Recording depth is less than or equal to the recording depth of the recording well.
- the spring clip may be elastic and have a prestressed shape, which is deformed by the support of the spring clip on the yoke and / or on the anchor, in particular clamped. As a result, by means of the material elasticity of the spring clip, a compressive force acting on the armature and / or the yoke.
- the spring clip has two spring bending sections, with which the spring clip is U-shaped, and wherein the two spring bending sections each have a smaller curvature relative to bent sections formed on the first clamping leg and / or on the second clamping leg.
- the advantage is achieved that the bending sections of the spring clip can have a greater extent in relation to the bending sections of the bent sections formed on the first clamping leg or on the second clamping leg.
- an elastic deformation against a bending direction of the respective bending sections in the spring clip in comparison to the clamping legs can be distributed over a larger area of material.
- the spring clip with the bending sections may have a greater flexurally elastic range than the bent sections formed on the respective clamping legs.
- the spring clip may have in the direction of a surface normal of the end face of the armature and / or the end face of the yoke, compared to the limited by the connecting plate clamping legs, increased width.
- the spring clip can be arranged farther away from the end face of the armature and / or the end face of the yoke than the first clamping leg, the second clamping leg and / or the connecting plate.
- the bow-shaped clamping spring has a curved connecting plate, which is formed on the second clamping leg, and wherein the curved connecting plate has a curvature, which rests with a convex contact surface on the armature end side and / or on the yoke front side.
- the bent connection plate is fastened to the yoke by means of a material connection, in particular welded to the yoke.
- Fig. 1 shows a relay in one embodiment
- Fig. 2 shows a relay in one embodiment
- 3 shows a relay in one embodiment
- 4 shows a relay in one embodiment
- Fig. 5 shows a relay in one embodiment
- Fig. 6 shows a relay in one embodiment
- Fig. 7 shows a relay in one embodiment
- Fig. 8 shows a relay in one embodiment
- Fig. 9 shows a relay in one embodiment
- 10 shows a relay in one embodiment
- Fig. 1 1 a, 1 1 b, 1 1 c a bow-shaped clamping spring in one embodiment.
- Fig. 1 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103 which is electromagnetically coupled to the armature 101.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101, a receiving recess 105 is formed in sections.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which is arranged in the receiving recess 105, and a second clamping leg 109-2, which rests on the yoke 103.
- the first clamping leg 109-1 an angled tab 1 1 1, which engages resiliently in a recess formed in the receiving recess 105 of the armature 101 1.
- the armature 101 has a web 15 which at least partially bridges the recess 13 and / or terminates flush with the receiving recess 105.
- the web 1 15 forms at the anchor end face 1 19 a closed, rectangular opening, which is penetrated by the angled tab 1 1 1.
- the recess 1 13 forms with the web 1 15 another closed, rectangular opening in the receiving recess, which is penetrated by the angled tab 1 1 1.
- the receiving recess 105 is cuboid and has a homogeneous depth 123.
- the angled tab 1 1 1 can be shaped S-shaped to overcome a Bautiefendifferenz between the receiving recess 105 and the recess 1 13.
- the angled tab 1 1 1 can at least partially rest on the receiving recess 105 and a bottom surface of the recess 1 13.
- the angled tab 1 1 1 1 passes through the recess such that the angled tab 1 1 1 does not contact a bottom surface and / or one of the side surfaces of the recess 1 13, in particular spaced therefrom.
- the bow-shaped clamping spring 107 has a connecting plate 1 17, which connects the first clamping leg 109-1 with the second clamping leg 109-2, and wherein the connecting plate 1 17 on an armature end face 1 19 and / or on a Jochstirnseite 121 rests.
- the connecting plate 1 17 is rectangular in shape and is arranged parallel to the armature end face 1 19 and the yoke front side 121 spaced.
- the angled tab 1 1 1 is at least partially perpendicular to the connecting plate.
- a receiving depth 123 of the receiving recess 105 is at least equal to or greater than a depth of the receiving recess 105 arranged in the first clamping leg 109-1 to arrange the bow-shaped clamping spring 107 on the armature side below a surface 125 of the armature 101.
- the overall depth of the first clamping leg 109-1 may be determined by a material thickness and / or a shape of the first clamping leg 109-1.
- the bow-shaped clamping spring 107 has a clamping direction 127, which is aligned with electromagnetic activation of the yoke 103 parallel to a direction of movement of the armature 101 or with the direction of movement of the armature 101 forms an acute angle, and wherein the first clamping leg 109-1 and / or the second clamping legs 109-2 are aligned at least partially perpendicular to the clamping direction 127.
- the bow-shaped clamping spring 107 is designed to prevent a relative movement of the armature 101 without an electromagnetic activation of the yoke 103 and is further formed in one piece.
- the angled tab 1 1 1 is formed to effect with the intervention in the recess 1 13 a compressive force on the armature 101 and the second clamping leg 109-2, wherein the pressure force on the second clamping leg 109-2 by means of a transmission of the compressive force on a bearing surface of the armature 101, with which the armature 101 rests on the yoke 103, and a further transmission of the pressure force via a yoke support surface 129, with which the yoke 103 rests on the second clamping leg 109-2, is transmitted.
- the second clamping leg 109-2 has a bias acting in the direction of the yoke 103, with which the second clamping leg 109-2 presses against the yoke 103.
- the relay 100 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103, which can be electromagnetically coupled to the armature 101.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101 is in sections formed a receiving recess 105.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which is arranged in the receiving recess 105, and a second clamping leg 109-2, which rests on the yoke 103.
- the first clamping leg 109-1 an angled tab 1 1 1, which engages resiliently in a recess formed in the receiving recess 105 of the armature 101 1.
- the bow-shaped clamping spring 107 has a spring clip 201 and another spring clip 203, which are each formed on the angled tab 1 1 1 and each at least partially rest on the yoke 103.
- the spring clips 201, 203 are designed to act on the yoke 103 with a spring force acting in the direction of the armature 101.
- the spring clips 201, 203 are each at least partially spaced from the first clamping leg 109-1, the second clamping leg 109-2, an armature end face 19 and / or a yoke end face 121.
- the spring clip 201 is connected on the yoke side to the second clamping leg 109-2 in order to form a common contact surface of the spring clip 201 and of the second clamping leg 109-2 lying on the yoke 103. Further, the spring clip 201 is at least partially angled to the receiving recess 105 and / or the yoke 103 arranged to increase a contact pressure with which the spring clip 201 acts on the receiving recess 105 and / or a Jochauflage constitutional 129, wherein a height of the angular arrangement of the spring clip 201 in the receiving recess 105 is smaller than or equal to the receiving depth 123 of the receiving recess 105.
- the spring clip 201 has two spring bending sections 205-1, 207-1, with which the spring clip 201 is U-shaped, and wherein the two spring bending sections 205-1, 207- 1 opposite to the first clamping leg 109-1 and to the second Clamping leg 109-2 integrally formed bending portions 209-1, 209-2 each have a smaller curvature. Further, the spring bending portion 205-1 has a smaller curvature than the spring bending portion 207-1.
- the spring bending portions 205-2, 207-2 of the other spring clip 203 are similar in shape and curvature to the respective bending portions 205-1, 207-1 of the spring clip 201.
- the receiving recess 105 is opened laterally.
- the bow-shaped clamping spring 107 for example, laterally pushed onto the armature 101 and / or the yoke 103 become.
- the recess can be 1 13 completely opened in the armature 101, in particular not be limited by a web 1 15, during or after pushing the bow-shaped clamping spring 107 on the armature 101 immersing the angled tab 1 1 1 in the recess. 1 13 to allow.
- the immersion of the angled tab 1 1 1 in the recess 1 13 may also be realized with the web 1 15, if the angled tab 1 1 1 after pushing the bow-shaped clamping spring 107 to the armature 101 by means of a deformation, in particular by means of bending the web 1 15 is passed.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which is arranged in the receiving recess 105, and a second clamping leg 109-2, which rests on the yoke 103.
- the first clamping leg 109-1 an angled tab 1 1 1, which engages resiliently in a recess formed in the receiving recess 105 of the armature 101 1.
- the bow-shaped clamping spring 107 has a spring clip 201 which is integrally formed on the angled flap 1 1 1 and at least partially rests on the yoke 103.
- the spring clip 201 is designed to act on the yoke 103 with a spring force acting in the direction of the armature 101.
- the armature 101 has a recess 301 in which the yoke 103 or at least one leg of the yoke 103 is arranged.
- the spring clip 201 is arranged completely in the receiving recess 105 with respect to the receiving depth 123.
- the portions of the spring clip 201 which protrude in the direction of a surface normal of the armature end face 1 19 over the armature 101, reach with their height not the receiving depth 123, so that the spring clip 201 advantageously does not increase a height of the relay 100 in the direction of the receiving depth 123.
- the angled tab 1 1 1 is formed, with the intervention in the recess 1 13 to cause a compressive force on the armature 101 and the second clamping leg 109-2, wherein the pressure force on the second clamping leg 109-2 by means of a transmission of Compressive force via a bearing surface 305 of the armature 101, with which the armature 101 rests on the yoke 103, and a further transmission of the compressive force via a Jochauflage Structure 129, with which the yoke 103 rests on the second clamping leg 109-2 transmitted.
- the second clamping leg 109-2 has a bias acting in the direction of the yoke 103, with which the second clamping leg 109-2 presses against the yoke 103.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which is arranged in the receiving recess 105, and a second clamping leg 109-2, which rests on the yoke 103.
- the first clamping leg 109-1 an angled tab 1 1 1, which engages resiliently in a recess formed in the receiving recess 105 of the armature 101 1.
- the bow-shaped clamping spring 107 has a spring clip 201 and another spring clip 203, which are each formed on the angled tab 1 1 1 and each at least partially rest on the yoke 103.
- the spring clips 201, 203 are designed to act on the yoke 103 with a spring force acting in the direction of the armature 101.
- the armature 101 has a recess 301 in which the yoke 103 or at least one leg of the yoke 103 is arranged.
- this does not lead to an increase in the overall depth of the relay 100 in the direction of the receiving depth 123, since an electromagnetic coil 401 is arranged on at least one yoke leg 303, which have a coil construction depth 403.
- the second clamping leg 109-2 and / or the spring clip 201 may be formed using the existing bobbin construction depth 403 with the respective bending sections 209-1 and 207-1, respectively, to apply a compressive force to the yoke 103 with a respective prestressed bend over the yoke support surface 129. or to apply the anchor 101.
- FIG. 5 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101, a receiving recess 105 is formed in sections.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a second clamping leg 109-2, which rests on the yoke 103.
- the bow-shaped clamping spring 107 has a plate-shaped Jochauflageabêt 501, which connects the spring clip 201 and the other spring clip 203 with the second clamping leg 109-2.
- the plate-shaped yoke support section 501 lies flat on the yoke support surface 129 and terminates with an edge of the yoke leg 303.
- the electromagnetic coil 401 is further arranged on the yoke leg 303.
- the bow-shaped clamping spring 107 has a clamping direction 127, which is aligned in electromagnetic activation of the yoke 103 by means of the electromagnetic coil 401 parallel to a direction of movement of the armature 101 or with the direction of movement of the armature 101 forms an acute angle.
- a joint line between the end face 1 19 of the armature 101 and the end face 121 of the yoke can form an axis of rotation for a deflection of the armature 101.
- Fig. 6 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101, a receiving recess 105 is formed in sections.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which rests on the armature 101.
- the armature 101 has a web 15 which at least partially bridges the recess 13 and / or terminates flush with the receiving recess 105.
- the spring clips 201, 203 are each at least partially spaced from the first clamping leg 109-1, the second clamping leg 109-2, an armature end face 1 19 and / or a Jochstirnseite 121. Further, the first clamping leg 109-1 on an angled tab 1 1 1, which engages resiliently in the recess 1 13. Furthermore, the composite of armature 101, yoke 103 and bow-shaped clamping spring 107 is arranged in a relay housing, which closes the relay 100. In particular, the relay 100 is sealed to the housing, so that the relay is protected from external influences, especially from dust and moisture, which could affect the function of the mechanical and electrical components of the relay.
- Fig. 7 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101, a receiving recess 105 is formed in sections.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which rests on the armature 101.
- the armature 101 has a web 15 which at least partially bridges the recess 13 and / or terminates flush with the receiving recess 105.
- the spring clip 201, 203 have in the direction of a surface normal of the armature end face 1 19 a relation to the limited by the connecting plate 1 17 first clamping leg 109-1 increased width.
- the spring clips 201, 203 further away from the end face 1 19 of the armature 101 as the first clamping leg 109-1 and the connecting plate 1 17 are arranged.
- the width of the spring clip 201, 203 is smaller than a width of the electromagnetic coil 401 on the yoke leg 303, so that the width of the spring clip 201, 203, a resulting width of the relay 100 is advantageously not increased.
- the recess 1 13 is at least partially limited by the web 1 15.
- Fig. 8 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101, a receiving recess 105 is formed in sections.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which rests on the armature 101.
- the armature 101 has a web 15 which at least partially bridges the recess 13 and / or terminates flush with the receiving recess 105.
- the bow-shaped clamping spring 107 has a connecting plate 17, which connects the first clamping leg 109-1 with the second clamping leg 109-2.
- the connecting plate 1 17 rests against an armature end face 1 19 and / or on a yoke end face 121.
- the connection plate 1 17 is rectangular shaped.
- Fig. 9 shows a schematic representation of the relay 100 with an armature 101 and a yoke 103.
- the armature 101 is at least partially flat on the yoke 103 and in the armature 101, a receiving recess 105 is formed in sections.
- the relay 100 comprises a bow-shaped clamping spring 107, which engages around the armature 101 and the yoke 103 frontally to fix the armature 101 on the yoke 103.
- the bow-shaped clamping spring 107 has a first clamping leg 109-1, which rests on the armature 101.
- the armature 101 has a web 15 which at least partially bridges the recess 13 and / or terminates flush with the receiving recess 105.
- the spring clips 201, 203 are each at least partially spaced from the first clamping leg 109-1, the second clamping leg 109-2, the armature end face 1 19. Further, the first clamping leg 109-1 on an angled tab 1 1 1, which engages resiliently in the recess 1 13.
- the bow-shaped clamping spring 107 has a curved connecting plate 1 17, which is integrally formed on the second clamping leg 109-2, and wherein the curved connecting plate 1 17 has a curvature 901, which with a convex contact surface on the armature end face 1 19 and / or on the Jochstirnseite 121 is present. Further, the bent connecting plate 1 17 is fixed by means of a material connection to the yoke 103, in particular welded to the yoke 103.
- the bow-shaped clamping spring may have a curvature 901, in particular a spoon-shaped form, and bear against the armature end face 1 19 with a convex surface.
- FIG. 10 shows a perspective view of the relay according to the embodiment shown in FIG. 9.
- the spring clips 201, 203 are designed to act on the yoke 103 with a spring force acting in the direction of the armature 101.
- the armature 101 has a recess 301 in which the yoke 103 or at least one leg of the yoke 103 is arranged. With the recess 301 can be formed between the yoke 103 and the armature 101, a working gap, which is larger with increasing distance from the armature end face 1 19, so that the distance between the yoke 103 and the armature 101 increases.
- a bearing edge of the armature 101 at an edge between the Anchor end face 1 19 and the yoke front side 121 may be an axis of rotation of the armature 101 and / or the bow-shaped clamping spring 107 upon electromagnetic actuation of the relay 100.
- 1 1 a shows a schematic plan view of the bow-shaped clamping spring 107, which has a first clamping leg 109-1 and a second clamping leg 1092.
- the spring clips 201, 203 are each arranged at least partially spaced from the first clamping leg 109-1 and the second clamping leg 109-2. Furthermore, the first clamping leg 109-1 on an angled tab 1 1 1.
- the bow-shaped clamping spring 107 has a connecting plate 1 17, which is integrally formed on the second clamping leg 109-2.
- the connecting plate 1 17 is spaced from the angled tab 1 1 1, so that the angled tab 1 1 1 at a possible impact point with the connecting plate 1 17 can not be connected.
- the connecting plate 1 17 has a curvature 901 in the form of an at least partially lowered shape with a centrally located cylindrical recess, so that the connecting plate 1 17 ankerstirn cleanse with a convex surface on the armature end face 1 19 abuts.
- the bulge 901 may extend in the direction of the first clamping leg 109-1 up to an end of the connecting plate 1 17, so that the connecting plate 1 17 has a curved edge profile.
- Fig. 1 1 b shows a schematic profile view of the bow-shaped clamping spring 107 according to the embodiment shown in Fig. 11a.
- a contact surface of the connecting plate 1 17 may be reduced at the anchor end face or on the yoke end face.
- the connecting plate 1 17 can be acted upon by the bending portion 209-2 with a spring tension force to press the front side against the armature and / or the yoke.
- a reduction of the contact surface can be increased at the same contact pressure of the connecting plate 1 17 against the armature and / or the yoke corresponding to a contact pressure.
- the curvature 901 can form a mounting point for a connection of the bow-shaped clamping spring 107 with the yoke and / or the armature.
- the bulge 901 can serve as a guide for a welding device and / or for receiving a welding agent.
- 11 c shows a schematic frontal view of the bow-shaped clamping spring 107 according to the embodiment shown in FIG. 11 a.
- the curvature 901 has in the direction of the second clamping leg 109-2 on a semi-circular end, which limits the curvature 901.
- the bow-shaped clamping spring 107 may be in particular anchor bearing spring.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Impact Printers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018109856.1A DE102018109856B3 (de) | 2018-04-24 | 2018-04-24 | Relais |
PCT/EP2019/059088 WO2019206635A1 (de) | 2018-04-24 | 2019-04-10 | Relais |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3785286A1 true EP3785286A1 (de) | 2021-03-03 |
Family
ID=66182537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19717826.2A Withdrawn EP3785286A1 (de) | 2018-04-24 | 2019-04-10 | Relais |
Country Status (6)
Country | Link |
---|---|
US (1) | US11476067B2 (de) |
EP (1) | EP3785286A1 (de) |
JP (1) | JP7014382B2 (de) |
CN (1) | CN112262452B (de) |
DE (1) | DE102018109856B3 (de) |
WO (1) | WO2019206635A1 (de) |
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-
2018
- 2018-04-24 DE DE102018109856.1A patent/DE102018109856B3/de active Active
-
2019
- 2019-04-10 CN CN201980027198.3A patent/CN112262452B/zh active Active
- 2019-04-10 WO PCT/EP2019/059088 patent/WO2019206635A1/de unknown
- 2019-04-10 US US17/049,903 patent/US11476067B2/en active Active
- 2019-04-10 JP JP2020553514A patent/JP7014382B2/ja active Active
- 2019-04-10 EP EP19717826.2A patent/EP3785286A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN112262452A (zh) | 2021-01-22 |
US20210241988A1 (en) | 2021-08-05 |
WO2019206635A1 (de) | 2019-10-31 |
DE102018109856B3 (de) | 2019-08-01 |
US11476067B2 (en) | 2022-10-18 |
CN112262452B (zh) | 2023-09-15 |
JP7014382B2 (ja) | 2022-02-01 |
JP2021520028A (ja) | 2021-08-12 |
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