EP3465723B1 - Interrupteur électromagnétique - Google Patents

Interrupteur électromagnétique Download PDF

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Publication number
EP3465723B1
EP3465723B1 EP17725238.4A EP17725238A EP3465723B1 EP 3465723 B1 EP3465723 B1 EP 3465723B1 EP 17725238 A EP17725238 A EP 17725238A EP 3465723 B1 EP3465723 B1 EP 3465723B1
Authority
EP
European Patent Office
Prior art keywords
deformable
transmission element
tongue
force transmission
force
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.)
Active
Application number
EP17725238.4A
Other languages
German (de)
English (en)
Other versions
EP3465723A1 (fr
Inventor
Ralf Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3465723A1 publication Critical patent/EP3465723A1/fr
Application granted granted Critical
Publication of EP3465723B1 publication Critical patent/EP3465723B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H01H51/2281—Contacts rigidly combined with armature
    • H01H51/229—Blade-spring contacts alongside armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0066—Auxiliary contact devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/014—Switch site location normally closed combined with normally open
    • 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
    • H01H50/32—Latching movable parts mechanically
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection

Definitions

  • the present invention relates to an electromagnetic switch.
  • Electromagnetic switches which are designed, for example, as relays, generally include an armature, which can be designed as a rocker armature.
  • armature which can be designed as a rocker armature.
  • a lever can be used which changes the position of the armature so that the contact springs coupled to the armature perform a switching movement and the contacts of the relay can be opened or closed.
  • the contacts may, however, temporarily weld.
  • manual actuation of the lever can damage the contact springs in the relay.
  • the DE 102012006438 propose to increase the contact areas in the relay, which reduces the likelihood of the contacts becoming welded.
  • the object of the present invention is to create a concept for avoiding damage to an electromagnetic switch of the aforementioned type in the event of a fault.
  • the invention is based on the knowledge that the above object can be achieved by limiting the forces which can be transmitted from a switch to an armature of an electromagnetic switch, for example a relay. In this way, in particular, plastic deformation of components of the electromagnetic switch, for example contact springs, for example in the case of welded contacts, can be prevented.
  • the object is achieved by an electromagnetic switch which has an armature and a slide which can be moved manually to operate the armature.
  • the electromagnetic switch according to the invention furthermore has a deformable force transmission element which is arranged between the slide and the armature.
  • the slide When manually operated, the slide can be pressed against the deformable force transmission element with a pressing force in order to operate the armature.
  • the slide exerts forces on the force transmission element, which transmits it to the armature. This allows the armature to be operated manually from the outside using the slide.
  • the deformable force transmission element is deformable when a contact force threshold value is exceeded by the contact force. This limits the contact pressure that can be transmitted from the slide to the armature.
  • another actuating element for example a pressure switch or a lever, can be used for manual actuation, provided that this is suitable for transmitting the force applied by an operator to the force transmission element. If the force applied by the operator to the slide exceeds a threshold value, the force transmission element is deformed and its deformation ensures that the force transmitted by the force transmission element to the armature does not exceed the threshold value.
  • the threshold value is chosen so that it does not yet lead to a plastic deformation of components, for example the contact springs of a relay, and thus to permanent damage to the components of the electromagnetic switch if, for example, contacts of the switch are welded and the user tries to remove the contacts to be released from each other again by manual operation
  • the threshold value can be selected, for example, so that it corresponds to the force that a magnet system of the electromagnetic switch would exert on the armature, also taking into account overexcitation.
  • the limitation of the contact force is caused by the deformation of the force transmission element when the threshold value is exceeded. Even with lower forces, a certain deformation of the force transmission element can already occur, but this does not yet lead to a limitation of the contact pressure. It is therefore always ensured that the forces transmitted to the armature by the force transmission element are at least so great that the contacts of the electromagnetic switch in a fault-free state Switch can be opened and closed.
  • the contact force can also increase during the deformation of the force transmission element and then, when the slide has reached its maximum displacement path when it is moved by the operator, it can reach the contact force threshold value so that it is ensured that over the entire displacement path of the slide and regardless of the forces applied to the slide, the contact force threshold is not exceeded.
  • An electromagnetic switch designed in accordance with the invention is characterized primarily by the fact that the operator uses the slide or another actuating element to constructively limit the other components of the electromagnetic switch in such a way that permanent damage to components, for example contact springs of the electromagnetic Switch is effectively prevented.
  • the deformable force transmission element is connected to the armature. This can take place in a materially or force-fit manner. A positive connection between the force transmission element and the armature is also possible.
  • the force transmission element can for example be riveted, screwed, glued, soldered or welded onto the armature. This prevents the force transmission element from changing its position relative to the armature and also relative to the slide, which could lead to malfunctions or functional failures.
  • the armature of the electromagnetic switch can be a rocker armature, but also another embodiment of an armature, for example a hinged armature.
  • the deformable force transmission element is plastically or elastically deformable.
  • the degree of deformability can be influenced on the one hand by the choice of material, but on the other hand in particular by the geometric design of the force transmission element.
  • the deformation of the force transmission element is even if forces are applied over the entire sliding path of the slide that exceed the contact force threshold value, reversible. The forces applied by the operator thus do not lead to permanent deformation of the force transmission element.
  • the limitation of the applied forces to the contact pressure threshold value brought about by the force transmission element is thus also possible in the case of multiple incorrect operations in which high forces are applied to the slide. There is no damage to the power transmission element.
  • the force transmission element is plastically deformable, a single manual actuation in which the contact force threshold value is exceeded can lead to permanent deformation of the force transmission element, so that with repeated manual actuation, either the force transmission element does not limit the contact force to the contact force threshold value is, or in the case of manual actuation, the forces are no longer sufficient to open or close the contacts of the electromagnetic switch.
  • the deformable force transmission element has a deformable tongue.
  • the electromagnetic switch is designed so that the slide can be pressed against the deformable tongue.
  • the deformable tongue is deformable when the contact pressure threshold value is exceeded in order to absorb the contact pressure of the slide.
  • the tongue can have various designs, for example it can be triangular or wave-shaped, the triangle or the wave preferably pointing away from the armature in the direction of the slide.
  • the tongue can have a flank against which the slide can come to rest when moving, so that the slide exerts the force for moving the armature on the tongue via the flank.
  • the deformable force transmission element comprises a circumferential frame which is attached to the armature.
  • a window is formed in the circumferential frame, the deformable tongue is fastened on one side to the circumferential frame, and when the deformable force transmission element is deformed, the tongue can at least partially be received by the window.
  • the tongue and frame can be made in one piece.
  • the Circumferential frame can have a section where the deformable tongue is attached to the frame, by means of which the force transmission element can be attached to the armature. When the force transmission element is viewed from above, the projection of the tongue can be completely surrounded by the frame.
  • the deformable tongue is formed by a partially circumferential slot in a piece of material.
  • the surrounding frame surrounds the partially surrounding slot.
  • the tongue is thus cut free from the piece of material through the slot.
  • the tongue can protrude from a plane of the piece of material, for example in a wave-shaped, triangular or curved shape, so that the slide can come into contact with the tongue during its movement in order to transfer these forces.
  • the tongue can be produced, for example, by punching out a piece of material, with the punching also obtaining the circumferential frame and the partially circumferential slot.
  • the punching can preferably only be carried out on a section of the piece of material, so that the piece of material has a further section in which there is no slot, and the tongue and the frame are attached to this further section, and by means of this further section the force transmission element on the Anchor is attachable.
  • the tongue can protrude from the plane of the piece of material by subsequent deformation, for example triangular or wave-shaped as described above, and the surrounding frame can be pretensioned by applying forces so that, among other things, the pretensioning the contact force threshold is adjustable.
  • the deformable tongue is shaped like a wave. It is designed and arranged between the slide and the armature that a wave flank of the deformable tongue can be acted upon by the slide.
  • a wave flank of the deformable tongue can be acted upon by the slide.
  • other geometrical shapes of the tongue are also possible which allow the forces exerted by the operator on the slide to be transmitted to the tongue, for example a triangular shape or a semicircular shape.
  • the contact pressure threshold value is dependent on the geometric shape of the tongue.
  • the properties of the tongue depend on its geometric shape.
  • the stiffness of the tongue depends on the one hand on the material thickness, but in particular also on the design of the tongue. Different stiffnesses can be achieved through different designs.
  • the tongue can also be provided with stiffeners or recesses in order to reduce the elasticity of the tongue, i.e. to make the tongue stiffer, or to increase the elasticity of the tongue, i.e. to reduce their rigidity, whereby the contact force threshold is reduced.
  • the deformable force transmission element is designed in such a way that it transmits a contact force from the slide to the armature, provided that the contact force does not exceed the contact force threshold value. This actuates the armature. In contrast, a force that exceeds the contact force threshold value is only transmitted from the slide to the armature at the level of the contact force threshold value.
  • the electromagnetic switch has an electromechanical contact. One or more electromechanical contacts can be provided. The electromechanical contact can be freely released in the non-fixed contact state, ie when the contacts are either not mechanically locked to one another or, in particular, do not adhere to one another by welding. The electromechanical contact can be released by exerting a release force by means of the armature.
  • the release force is exerted on the contacts by the armature directly or via intermediate elements, the release force being formed from the force transmitted to the armature via the deformable force transmission element.
  • the force transmitted via the force transmission element is formed from the force exerted by the operator on the slide, which the slide exerts on the force transmission element.
  • the contact pressure threshold value is greater than the release force, so that a deformation of the force transmission element, which would lead to a limitation of the contact force to the contact force threshold value, does not occur leads to the fact that the contact pressure is limited to a value that is less than the release force to be applied to release the contact.
  • the contacts when they are not fixed, for example not welded, can always be manually released from one another by means of the slide or, in another embodiment, can also be closed. If there are several contacts, one contact can be opened by operating the slide while another contact is closed at the same time. This is the case, for example, when the contacts are positively guided, so that the opening of one contact always leads to the closing of the other contact and vice versa.
  • the deformable force transmission element is designed so that when the at least one electromechanical contact is in a fixed state, for example welded due to overcurrents, the electromechanical contact cannot be released by actuating the slide by the user.
  • the deformable force transmission element deforms when the exerted force exceeds a contact pressure threshold value.
  • the contact pressure threshold value is selected such that it is not possible to loosen fixed, in particular welded contacts due to forces exerted on the slide. This prevents the forces exerted by the slide on the armature via the force transmission element from causing components of the electromagnetic switch to be plastically deformed, resulting in irreversible deformations of components and thus permanent damage to the electromagnetic switch.
  • the deformable force transmission element is designed so that it limits the contact force to a contact force threshold value so that the contact force threshold value is below the force that would lead to a plastic deformation of components, for example contact springs of the electromagnetic switch, so that the transmitted to the armature Forces always cannot lead to plastic deformation, and thus not to damage to components of the electromagnetic switch.
  • the deformable force transmission element is designed in such a way that the slide can break through mechanical overload is prevented.
  • the forces that can be transmitted by the deformable force transmission element from the slide to the armature are limited by the design of the deformable force transmission element in such a way that they cannot exceed the forces that would damage the slide if they acted.
  • the deformable force transmission element is made in one piece.
  • frame and tongue can be produced from a one-piece material by punching, as can a section of the force transmission element by means of which the force transmission element can be attached to the armature.
  • the tongue and also the frame can be geometrically designed by deformation in such a way that a desired contact force threshold value can be set.
  • the one-piece force transmission element is preferably made of metal, for example spring steel.
  • the force transmission element can for example be designed as a leaf spring.
  • the contact force threshold value can be influenced by prestressing the force transmission element.
  • the electromagnetic switch is designed as a relay.
  • the relay has a slide, a force transmission element for transmitting the forces of the slide to an armature and the armature.
  • the armature is designed so that a movement of the armature leads to the opening or closing of one or more contacts. At least one contact can be opened or closed via further intermediate elements between armature and contact, for example intermediate levers and contact springs.
  • the contact force threshold is set in such a way that the force exerted by the force transmission element on the armature and exerted by it on other components, for example contact springs, is not sufficient to plastically deform the other components, for example when a The user tries to loosen contacts that have been welded to one another by means of the slide, so that damage to the relay due to excessive forces on the part of the operator can be prevented.
  • the electromagnetic switch in particular when the electromagnetic switch is designed as a relay, has at least two contacts, the contacts being positively guided. Opening one contact therefore inevitably closes the other contact.
  • the fact that plastic deformation of the components of the electromagnetic switch is prevented by limiting the contact force ensures that the forced guidance of the contacts is not canceled by inadmissibly strong deformation of components, for example contact springs. This ensures that the forced operation always uses the status of a contact, i.e. open or closed, the state of the other contact, which is complementary to the state of the first contact, can be clearly determined.
  • Fig. 1 shows an electromagnetic switch 100 according to the invention, which is designed as a relay.
  • the slide 101 by means of which the contacts 119, 123 of the relay can be actuated manually, is in a non-actuated position.
  • the working contact 119 is open while the normally closed contact 123 is closed.
  • the normally open contact 119 can be closed manually, the normally closed contact 123 being opened.
  • normally open contact 119 and normally closed contact 123 are positively guided, so that closing of normally open contact 119 always leads to opening of normally closed contact 123.
  • the tongue 107 of the deformable force transmission element 105 lies in a recess 111 arranged in the slide 101, so that the slide 101 does not exert any forces on the tongue 107 of the force transmission element 105.
  • the armature exerts no forces on the contact spring 121 of the make contact, so that the make contact 119 is open.
  • a return spring 127 in conjunction with a magnetic return torque ensures that the armature 113 is always in a position in which the normally closed contact 123 is closed when no further electromagnetic or manual forces are exerted on the armature.
  • the deformable force transmission element shown in the embodiment of the electromagnetic switch is designed as a force transmission element with a tongue 107 and a frame 109.
  • the structure of this deformable force transmission element 105 is shown below in FIGS Fig. 4 and 5 described in more detail.
  • the deformable force transmission element 105 is shown in FIG Fig. 1 attached to the anchor 113 by means of fastening elements 115.
  • the deformable force transmission element 105 is attached to the armature 113 by riveted connections.
  • other connections are also possible, for example by gluing, welding or soldering.
  • Fig. 1 113 anchor used is designed as a rocker anchor.
  • other designs of an anchor can also be used, for example a hinged anchor
  • the electromagnetic switch 100 in the in Fig. 1 can also be actuated electromagnetically in a known manner. However, this will not be discussed further here.
  • the manual actuation of the electromagnetic switch 100 designed as a relay Fig. 1 takes place in that the slide 101 is moved in the actuation direction 103 by the operator. As a result, the normally open contact 119 is closed while the normally closed contact 123 is opened.
  • Fig. 2 the electromagnetic switch designed as a relay is shown in a state in which the normally open contact 119 is closed while the normally closed contact 123 is open. Is shown here as well as in Fig. 1 an error-free state, ie neither the normally open contact 119 nor the normally closed contact 123 are welded to one another.
  • the deformable force transmission element 105 in the illustrated embodiment has a tongue 107, via which the force exerted by the user on the slide 101 is transmitted to the deformable force transmission element.
  • the deformable force transmission element 105 furthermore has a frame 109.
  • Such an embodiment of a deformable force transmission element 105 is explained below in the explanation of FIG Fig. 4 and 5 described.
  • the frame 109 of the deformable force transmission element 105 rests against a projection 117 arranged on the armature 113.
  • the projection 117 limits the movement of the frame 109 of the deformable force transmission element 105 relative to the armature 113.
  • the movement of the tongue 107 of the deformable force transmission element 105 relative to the armature 113 is not limited.
  • the tongue 107 and the frame 109 of the deformable force transmission element 105 can therefore move relative to one another. In the in Fig. 2 However, there is no or only a very slight relative movement of the tongue 107 of the deformable force transmission element 105 with respect to the frame 109.
  • Fig. 3 shows the switch 100 designed as a relay Fig. 1 in a faulty state.
  • the normally closed contact 123 is welded, for example due to overcurrents.
  • the normally open contact 119 is open and cannot be closed by electromagnetic actuation.
  • the armature 113 is accordingly in a position which largely corresponds to the position of the inoperative electromagnetic switch 100.
  • the force transmitted by the deformable force transmission element 105 to the armature 113 is limited by the relative movement or bending between frame 109 and tongue 107 of the deformable force transmission element 105.
  • the force exerted on the armature 113 via the tongue 107 and the frame 109 is determined via the relative bending between the tongue 107 and the frame 109 and the spring constant, ie the elasticity at the connection between the frame 109 and the tongue 107.
  • the force exerted on armature 113 via tongue 107 and frame 109 increases.
  • the maximum force that can be transmitted via the tongue 107 to the armature 113 is thus caused by the bending of the tongue 107 relative to the frame 109 and the bending of the tongue 107 relative to the armature 113 in connection with the elasticities, ie the spring constants of the connection between tongue 107 and frame 109 and limited between tongue 107 and the other sections of the deformable force transmission element 105.
  • a displacement of the slide 101 in the actuating direction 103 does not result in any significant deformation of the tongue 107.
  • the tongue 107 is only deformed in the section in which it is connected to the frame 109 and to the remaining section of the deformable force transmission element 105.
  • a deformation of the tongue 107 also takes place, for example a flattening of a triangular tongue in order to limit the forces transmitted via the tongue 107 to the armature 113 by the deformation of the tongue 107 .
  • This can be achieved, for example, by reducing the stiffness of the tongue (107).
  • the deformable force transmission element 105 is designed due to its geometry and elasticities so that the maximum force that can be transmitted from the slide 101 via the deformable force transmission element 105 to the armature 113 is less than the force that leads to a plastic, i.e. permanent deformation of the contact spring 125 of the break contact 123 would lead. That is to say, before a plastic deformation of the contact spring 125 of the normally closed contact 123 occurs, the forces that would be required for this are limited by an elastic deformation of the tongue 107 relative to the frame 109 of the deformable force transmission element 105.
  • the deformable force transmission element 105, and in particular its frame 109, is shown in FIGS Figs. 1 to 3 The embodiment shown is pretensioned in itself by being bent. The preload also influences the contact force threshold and sets a defined value for limiting the force.
  • the normally open contact 119 can be closed manually by actuating the slide 101.
  • the normally closed contact 123 can be opened by manual actuation, or opening and closing of both a normally open contact and a normally closed contact is possible through manual actuation.
  • One or more slides can be provided for this, as well as several deformable force transmission elements between the slide and armature, so that, for example, if there is only one slide, it acts against the flanks of two deformable force transmission elements arranged on an armature in each slide direction.
  • FIG. 4 shows a deformable force transmission element 105, as it is in the embodiment of the electromagnetic switch 100 according to FIG Figs. 1 to 3 is used.
  • the deformable force transmission element 105 shown here uses the principle of a leaf spring.
  • the force transmission element 105 can be fastened to the armature 113 in a rear section 405.
  • fastening bores 407 are provided in the embodiment shown, through which the force transmission element 105 can be screwed or riveted to the armature 113.
  • a tongue 107 is formed on the force transmission element 105 and is surrounded by the frame 109.
  • Frame 109 and tongue 107 are connected to one another where they merge into rear section 405 of force transmission element 105.
  • the tongue 107 is shaped such that it protrudes from the plane spanned by the force transmission element 105. As a result, the tongue protrudes in the installed state in the direction of the slide 101, so that when the slide 101 moves in the actuation direction 103 through the slide 101, forces can be exerted on the flank of the tongue 107.
  • a slot 401 is formed between the frame 109 and tongue 107, which allows the tongue 107 to move relative to the frame 109.
  • the slot 401 frames a window 409 in which the tongue 107 is arranged and in which the tongue 107 can move relative to the frame 109 when forces are applied.
  • the force transmission element 105 is folded over, whereby the window 409 for the movement of the tongue 107 is reduced so that the front section 501 of tongue 107 (see Fig. 5 ) lies below the front section 403 of the force transmission element 105, whereby the movement of the tongue 107 relative to the frame 109 in the direction of the slide 101 is limited when it is installed in the switch 100, ie the front section 501 of the tongue cannot move above the frame .
  • the deformable force transmission element 105 is self-biased, i. E. the section of the force transmission element 105, in which the tongue 107 and frame 109 are arranged, is biased or bent upwards in the direction of the slide out of the plane of the section 405 in which the force transmission element 105 is attached to the armature in the installed state.
  • the degree of pre-tensioning influences the amount of force which is transmitted from the slide 101 to the armature 113 via the tongue 107 and the frame 109.
  • FIG. 11 shows the deformable force transmission element 105 according to FIG Fig. 4 after a first manufacturing step, in which a slot 401 was punched out of a one-piece material, whereby frame 109 and tongue 107 are formed.
  • the tongue 107 has a front, widened section 501 which, as described above, limits the movement of the tongue 107 in the direction of the slide, ie upwards, by forming a stop which strikes against the front section 403 of the deformable force transmission element 105 when the front section 403 as in FIG Fig.
  • the holes 407 for fastening the force transmission element 105 to the armature are also already made.
  • the force transmission element 105 is also pretensioned by deforming the frame 109, the tongue 107 is bent and the front section 403 is folded in order, as in FIG Fig. 4 shown to form a limitation of the movement of the tongue 107.
  • the force transmission element 105 according to Fig. 4 is preferably made of metal, for example spring steel. However, it can also be made of other materials that have suitable elastic properties.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Slide Switches (AREA)
  • Electromagnets (AREA)

Claims (15)

  1. Interrupteur électromagnétique (100), comprenant :
    un induit (113) ;
    un poussoir (101) qui peut être déplacé à la main pour actionner l'induit (113) ; et
    un élément de transmission de force (105) déformable qui est disposé entre le poussoir (101) et l'induit (113), le poussoir (101) pouvant être pressé contre l'élément de transmission de force (105) déformable avec une force de pression pour actionner l'induit (113), l'élément de transmission de force (105) déformable pouvant être déformé par la force de pression lorsqu'une valeur seuil de force de pression est dépassée afin de limiter la force de pression transmissible du poussoir (101) à l'induit (113),
    caractérisé en ce que l'élément de transmission de force (105) déformable comprend une lame déformable (107), le poussoir (101) pouvant être pressé contre la lame déformable (107), la lame déformable (107) pouvant être déformée lorsque la valeur seuil de force de pression est dépassée pour absorber la force de pression du poussoir (101).
  2. Interrupteur électromagnétique (100) selon la revendication 1, dans lequel l'élément de transmission de force (105) déformable est relié à l'induit (113), en particulier relié par liaison de matière ou par adhérence.
  3. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel l'élément de transmission de force (105) déformable peut être déformé de manière plastique ou élastique.
  4. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel l'élément de transmission de force (105) déformable comprend un cadre périphérique (109) qui est fixé à l'induit (113), une fenêtre (110) étant formée dans le cadre périphérique (109), la lame déformable (107) étant montée sur un côté sur le cadre périphérique (109) et pouvant être reçue au moins en partie par la fenêtre (110) en cas de déformation.
  5. Interrupteur électromagnétique selon la revendication 4, dans lequel la lame déformable est formée par une fente en partie périphérique dans une pièce de matière, le cadre périphérique entourant la fente partiellement périphérique, et la lame déformable faisant saillie à travers la fente hors de la pièce de matière et d'un plan de la pièce de matière.
  6. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel la lame déformable (107) présente une conformation ondulée, et dans lequel un flanc d'ondulation de la lame déformable (107) peut être sollicité par le poussoir (101).
  7. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel la valeur seuil de force de pression dépend d'une forme géométrique de la lame (107).
  8. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel l'élément de transmission de force (105) déformable est réalisé pour transmettre une force de pression du poussoir (101) à l'induit (113) si la force de pression ne dépasse pas la valeur seuil de force de pression afin d'actionner l'induit (113).
  9. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, présentant un contact électromécanique (119, 123) qui peut être séparé librement à l'état de contact non fixé, le contact électromécanique (119, 123) pouvant être séparé par l'induit (113) avec une force de séparation agissant sur l'élément de transmission de force (105) déformable, et la valeur seuil de force de pression étant supérieure à la force de séparation.
  10. Interrupteur électromagnétique selon la revendication 9, dans lequel le contact électromécanique (119, 123) ne peut pas être séparé par la force de séparation à l'état fixé, en particulier lors d'un soudage dû à une surintensité de courant, et dans lequel l'élément de transmission de force (105) déformable est réalisé pour empêcher par sa déformation une séparation du contact électromécanique fixé (119, 123) .
  11. Interrupteur électromagnétique (100) selon la revendication 9 ou 10, dans lequel le contact électromécanique (119, 123) à l'état fixé, en particulier en cas de soudage dû à une surintensité de courant, ne peut pas être séparé par la force de séparation, et dans lequel l'élément de transmission de force (105) déformable est réalisé pour empêcher par sa déformation une déformation plastique des composants de l'interrupteur électromagnétique (100), en particulier des ressorts de contact (121, 125).
  12. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel l'élément de transmission de force (105) déformable est réalisé pour empêcher par sa déformation une rupture du poussoir (101) par une surcharge mécanique.
  13. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes, dans lequel l'élément de transmission de force (105) déformable est réalisé d'une seule pièce, en particulier en métal.
  14. Interrupteur électromagnétique (100) selon l'une quelconque des revendications précédentes qui est un relais.
  15. Interrupteur électromagnétique selon l'une quelconque des revendications précédentes, dans lequel les contacts (119, 123) sont à guidage forcé.
EP17725238.4A 2016-05-24 2017-05-23 Interrupteur électromagnétique Active EP3465723B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016109486.2A DE102016109486B3 (de) 2016-05-24 2016-05-24 Elektromagnetischer Schalter
PCT/EP2017/062329 WO2017202803A1 (fr) 2016-05-24 2017-05-23 Interrupteur électromagnétique

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EP3465723A1 EP3465723A1 (fr) 2019-04-10
EP3465723B1 true EP3465723B1 (fr) 2020-11-04

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EP17725238.4A Active EP3465723B1 (fr) 2016-05-24 2017-05-23 Interrupteur électromagnétique

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US (1) US11127541B2 (fr)
EP (1) EP3465723B1 (fr)
JP (2) JP7044716B2 (fr)
CN (1) CN109155220B (fr)
DE (1) DE102016109486B3 (fr)
WO (1) WO2017202803A1 (fr)

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DE102019107223A1 (de) * 2019-03-21 2020-09-24 Johnson Electric Germany GmbH & Co. KG Elektrischer Schalter
DE102019107222A1 (de) * 2019-03-21 2020-09-24 Johnson Electric Germany GmbH & Co. KG Elektrischer Drucktastenschalter
DE102019117804B4 (de) * 2019-07-02 2021-08-12 Johnson Electric Germany GmbH & Co. KG Schalteinrichtung mit einem elektrischen Kontaktsystem

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Publication number Priority date Publication date Assignee Title
DE2618572C3 (de) 1976-04-28 1979-03-15 Rudolf Schadow Gmbh, 1000 Berlin Schiebetastenschalter
SU1024994A2 (ru) 1981-12-29 1983-06-23 Предприятие П/Я А-7451 Электромагнитный пол ризованный переключатель
DE8320066U1 (de) * 1983-07-12 1983-12-01 Siemens AG, 1000 Berlin und 8000 München Schiebeschalter
US4841109A (en) * 1986-08-28 1989-06-20 Omron Tateisi Electronics Co. Slide switch
CA2085967C (fr) 1991-12-24 1997-11-11 Kazuhiro Nobutoki Relais polarise
JPH08203383A (ja) * 1995-01-31 1996-08-09 Kansei Corp マイクロスイッチ
DE10027361C1 (de) * 2000-06-02 2002-01-03 Tyco Electronics Gmbh Wien Relais
DE10239284B4 (de) 2001-09-26 2021-01-07 Te Connectivity Germany Gmbh Elektromagnetisches Relais mit nichtlinearem Kraft-Weg-Verhalten der Kontaktfeder und Kontaktfeder
JP4943949B2 (ja) 2007-06-08 2012-05-30 ウチヤ・サーモスタット株式会社 電磁継電器
DE102012006450A1 (de) 2012-03-30 2013-10-02 Phoenix Contact Gmbh & Co. Kg Relais mit zwangsgeführten Kontakten
DE102012006438A1 (de) 2012-03-30 2013-10-02 Phoenix Contact Gmbh & Co. Kg Relais mit zwei gegensinnig betätigbaren Schaltern
JP7306087B2 (ja) 2019-06-14 2023-07-11 三菱ケミカル株式会社 フィルム及び積層体の製造方法

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WO2017202803A1 (fr) 2017-11-30
CN109155220B (zh) 2020-07-03
JP7044716B2 (ja) 2022-03-30
JP2021044244A (ja) 2021-03-18
US20190304712A1 (en) 2019-10-03
CN109155220A (zh) 2019-01-04
JP7025509B2 (ja) 2022-02-24
DE102016109486B3 (de) 2017-09-21
JP2019517104A (ja) 2019-06-20
EP3465723A1 (fr) 2019-04-10
US11127541B2 (en) 2021-09-21

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