EP0410984B1 - Corps de bobine et son procede de fabrication - Google Patents

Corps de bobine et son procede de fabrication Download PDF

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Publication number
EP0410984B1
EP0410984B1 EP89904004A EP89904004A EP0410984B1 EP 0410984 B1 EP0410984 B1 EP 0410984B1 EP 89904004 A EP89904004 A EP 89904004A EP 89904004 A EP89904004 A EP 89904004A EP 0410984 B1 EP0410984 B1 EP 0410984B1
Authority
EP
European Patent Office
Prior art keywords
coil former
coil
legs
continuations
carrying area
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.)
Expired - Lifetime
Application number
EP89904004A
Other languages
German (de)
English (en)
Other versions
EP0410984A1 (fr
Inventor
Michael Dittmann
Dieter KÖLLING
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0410984A1 publication Critical patent/EP0410984A1/fr
Application granted granted Critical
Publication of EP0410984B1 publication Critical patent/EP0410984B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation
    • 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
    • H01H50/44—Magnetic coils or windings
    • H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former

Definitions

  • the invention relates to a coil body for an electromagnetic relay, with a supporting area for a coil winding and with connection elements, each of which has a section which can be connected to the winding ends of the coil winding and a further section which is designed as a connection contact, at least one connection element having an extension which arranged in the direction of the coil axis and embedded in the supporting area of the coil body, and to a method for producing a coil body according to the preamble of claim 11.
  • connection elements are jointly embedded in one of the coil flanges.
  • an extension of one of the connection elements is partially embedded in the wall of the coil tube, but only over a very small part of the axial length. Due to the embedding, this extension is only partially covered, since it serves to contact the start of the winding and thus must have at least one bare surface that is not covered by the plastic material for the winding.
  • a similar coil former is known from DE-A-33 18 493.
  • This known bobbin has a support area for a coil winding, which is laterally delimited by two flanges arranged transversely to the longitudinal axis of the bobbin.
  • the coil former also contains connection elements, each of which has a section that can be connected to the winding ends of the coil winding and each has a further section designed as a connection contact.
  • the connection elements each have an extension, which extends outside the coil winding partially in the direction of the longitudinal axis of the coil body and is embedded with its end region in the respective flange.
  • a flat core is embedded in this coil former, through which the coil former also obtains a relatively high mechanical strength in the supporting area.
  • DE-A-1 464 310 also describes a coil former with wire-shaped connection contacts, in which these connection contacts are subsequently inserted into grooves in the coil former.
  • the only purpose of these wires is to conduct the coil current from the connection side on one coil flange to the winding end on the other coil flange. Since these connecting wires lie loosely in open slots, they cannot contribute to stabilizing the coil body. In order to avoid axial displacement of these loosely inserted wires, they must be secured by additional measures, such as by cropping or by gluing.
  • a bobbin of the type mentioned at the outset is characterized in that the extension of the at least one connecting element runs through the supporting area or the extensions of several connecting elements pull the supporting area together, with the exception of an insulating gap, and in order to stiffen the supporting area the extension or the extensions are or are completely closed off from the winding by the material of the coil former.
  • the design according to the invention gives the coil body a high mechanical strength and thus contributes to improving the mechanical properties of a relay with such a coil body. In this way, the space requirement of the coil body and of the entire relay is advantageously significantly reduced without a loss of mechanical strength.
  • the coil former according to the invention is advantageous because without an additional structural element, its stability and mechanical strength can be increased simply by using a connecting element with a correspondingly designed and arranged extension.
  • the embodiment of the coil former according to the invention is particularly advantageous if it has one or more cavities and / or is made in several parts.
  • connection elements can be designed in such a way that their extensions have, for example, a U-shaped, Z-shaped or an elongated shape which extends essentially in the longitudinal axis of the coil body.
  • each extension has one or more legs running in the longitudinal direction of the support area. This configuration is particularly advantageous in terms of production technology. For a further increase in the strength of the coil former, it is advantageous that the legs of two projections run parallel to one another, at least partially overlapping one another, in the supporting region.
  • the one extension has at least two parallel legs of different lengths and that the other extension has the same number of parallel legs of corresponding lengths, so that gaps are formed between the opposing ends of the legs be in different planes perpendicular to the longitudinal axis of the coil body.
  • the mechanical weak points which occur as a result of the gaps serving to mutually isolate the connecting elements between the ends of the legs can be relocated to different regions of the coil former and thus the mechanical properties of the coil former can be influenced favorably.
  • a further advantageous embodiment of the bobbin according to the invention is that the legs of the extensions are connected to one another via at least one structural unit which is at least partially located within the supporting region of the bobbin.
  • the connection elements form in that their extensions are connected to one another via the at least one structural unit, in terms of production technology a unit that is easy to use.
  • the structural unit can be designed as a purely mechanical connecting element of the extensions and connect the extensions electrically insulated from one another.
  • connection elements can also run in the supporting area of the coil body in such a way that they do not touch and are therefore isolated from one another.
  • the connecting elements it is also possible for the connecting elements to be connected via an elongated non-conductor and for the non-conductor to lie in the region of the support area of the coil former and thus in principle to form the extensions of the connecting elements which are combined to form a material unit.
  • connection elements In principle, it is also conceivable for the extensions of the connection elements to overlap or to abut one another to carry out and to connect and to avoid direct electrical contact by suitable insulation measures, for example by interposing an insulation film. From an economic point of view, it is expedient to produce the connecting elements with their extensions from sheet metal, for example by stamping, and to ensure their mutual insulation, as already mentioned, by gaps between the ends of their legs.
  • a further advantageous embodiment of the coil former according to the invention provides that the structural unit consists of at least one additional electrical component and that the legs of the extensions are electrically connected to one another via the additional electrical component.
  • one or more additional electrical components for example diodes or resistors, can be connected to one another or to the connection elements for connecting the coil winding in the desired circuit arrangement. It is u. U. required that the legs more areas isolated from each other exhibit.
  • the space requirement of the coil body is not significantly increased despite additional electrical components and also has a positive influence on the mechanical behavior of the coil body.
  • the assembly can consist exclusively of an additional electrical component. However, it is also conceivable to use a uniform housing in which any additional electrical components are introduced.
  • Advantageously designed contacting elements can then be led out of this housing.
  • Such a standardization of the structural units used facilitates automation of production, since structural units that perform different functions can be processed with the same feed and handling devices. If, as already mentioned, the assembly is only to perform an insulating function, it is possible, when using the same housing, the contacting elements of which are in no way connected to one another, to also feed this assembly to the manufacturing process with the same feed device or to handle it with the same handling devices.
  • a further advantageous embodiment of the coil former according to the invention provides that the at least one structural unit is arranged to bridge at least one gap between the ends of the legs of the extensions. This arrangement of the at least one structural unit at least partially compensates for the mechanical weak point caused by the gap.
  • An embodiment of the coil body which is advantageous in terms of production technology is that the at least one structural unit is arranged to bridge at least one intermediate space formed between the parallel legs of different extensions.
  • the manufacturing unit formed from the connection elements with their extensions and the structural unit always forms a structural unit if the gaps between the ends of the legs are only produced after the structural unit has the between parallel legs of different extensions formed gap has been applied bridging.
  • the intermediate space formed between the legs of the extensions and the structural unit are dimensioned such that the structural unit can be at least partially inserted into the intermediate space.
  • a further advantageous embodiment of the bobbin according to the invention provides that in the case of a bobbin with a cavity in the direction of its longitudinal axis, at least one pole plate of at least one contact element is arranged in the region of the cavity, and that the contact element is at least partially surrounded by the material of the coil body, so that an additional Increasing the mechanical strength of the coil body is achieved.
  • the coil former according to the invention such that the at least one pole plate of the at least one contact element is arranged in a plane parallel to the legs in such a way that it lies in the region of at least one of the gap formed between the ends of the legs.
  • This at least partially compensates for the mechanical weak point of the coil former caused by the gap between the ends of the legs.
  • the influence of all the gaps, which affects the mechanical strength can be compensated in this way. For this it is necessary that the gaps are arranged in such a way that they all lie in an area which lies opposite the pole plate arranged in a plane running parallel to the legs.
  • the mechanical strength of the coil former according to the invention is further increased with a corresponding arrangement of the gaps if more than one pole plate is used. From a manufacturing point of view, it is particularly advantageous that in the case of a two-part coil former the connection elements are contained in one coil former part and the at least one contact element is contained in the other coil former part.
  • a method for producing the bobbin according to the invention provides that a manufacturing part is used which contains the connection elements for at least one bobbin each having an extension, and that the manufacturing part is extrusion-coated with plastic in such a way that the supporting area is formed in the region of the extensions.
  • a production part designed in this way is advantageous because it is easy to handle and can be easily and securely positioned and fixed in the casting mold for producing the coil former.
  • An advantageous development of the method according to the invention for producing a coil former with at least one contact element provides that a further production part is used which contains the at least one contact element, and that the further production part is extrusion-coated with plastic in such a way that the at least one a pole plate of the at least one contact element lies in the area of the support area.
  • the use of a production part is advantageous because it enables easy handling and precise fixing of the at least one contact element in the casting mold.
  • a production part which contains the connection elements for at least one coil body that the Manufacturing part is overmolded with plastic in such a way that the supporting area part of one coil body part of the coil body in the area of the extensions arises that a further manufacturing part is used which contains at least one contact element, that the further manufacturing part is overmolded with plastic in such a way that a supplementary coil former part of the coil former is formed, the supporting region part of the supplementary coil former part being formed in the region of the at least one contact element, and that the two coil former parts are joined together to form the coil former.
  • a production part with gaps between the extensions of the connection elements is used and the at least one structural unit is connected to the extensions of both connection elements before the encapsulation with plastic.
  • the gaps can be created simultaneously with the manufacture of the connection elements; this is particularly advantageous if the assembly is arranged so that it bridges at least one of the gaps.
  • a further advantageous development of the method according to the invention provides that a production part with connecting elements connected to one another on the extensions is used, that the structural unit is connected to the extensions of both connecting elements and that the gaps necessary for the electrical insulation of the connecting elements are subsequently produced before the encapsulation done with plastic.
  • This is advantageous from a manufacturing point of view, because the application of the structural unit first creates an additional mechanical connection of the extensions of the two connection elements before the extensions, which are still connected to one another, are separated from one another by producing the gaps.
  • the connection elements with their extensions and the applied structural unit always form a structural unit which can be handled advantageously during the production process.
  • connection elements 106 and 107 extending at right angles to the longitudinal axis of the coil former 101 are embedded in the coil former 101 in the region of its flanges 104 and 105 and each have a section designed as a connection contact 108 and 109 and a section connectable to the winding ends of the coil winding 103.
  • 1 shows only the section of the connection element 107 which can be connected to the coil winding 103 and is designed as a contacting tab 113.
  • connection element 107 has an extension 111, which extends in the direction of the longitudinal axis of the coil former 101 into the support region 102 of the coil former 101 and extends through this into the region of the flange 104.
  • the extension 111 is embedded in the material of the bobbin 101 in the support area 102.
  • the connector 106 is designed in its length so that electrical contact of the connection element 106 with the connection element 107 via the extension 111 is avoided.
  • the extension 111 embedded in the support area 102 gives the coil body 101 high mechanical strength with a relatively small wall thickness in the area of the support area 102.
  • a bobbin 1 contains a support area 2 for a coil winding 3.
  • the support area 2 is delimited by two lateral flanges 4 and 5 arranged in planes perpendicular to the longitudinal axis of the bobbin 1.
  • Connection elements 6 and 7, which lead away from the coil former 1 at right angles to the longitudinal axis of the coil former 1 in the exemplary embodiment shown, taper towards sections which are designed as connection contacts 8 and 9.
  • the connection elements 6 and 7 each have extensions 10 and 11, which contain legs 10a and 11a, which extend along the longitudinal axis of the coil former 1 within the support region 2.
  • Sections of the connecting elements 6 and 7 which extend in the direction of the longitudinal axis of the coil former 1 and at least partially protrude therefrom are designed as contacting tabs 12 and 13.
  • the ends of the legs 10a and 11a face each other to form a gap 16a.
  • the extensions 10 and 11 or the legs 10a and 11a of the connecting elements 6 and 7 extend through the entire supporting area 2 of the coil former 1, except for the area of the gap 16a formed for their mutual insulation, and thus increase its mechanical strength. If the extensions 10 and 11 contain further legs 10b, 11b, which are not visible in FIG. 2 and extend through the supporting area and thus further solidify the coil former, then these should of course also be suitably insulated from one another.
  • Fig. 3 is an extension of the section of Fig. 2 of an embodiment of the coil body shown
  • the assembly 17 bridging the gap 16a is arranged essentially within the supporting area 2 of the coil former 1 and connected to the legs 10a and 11a via connecting lugs 17a and 17b.
  • Winding ends 18 and 19 of the coil winding 3 wound on the supporting area 2 are electrically connected to the contacting tabs 12 and 13 of the connection elements 6 and 7 at connection points 20 and 21.
  • the winding end 18 is connected to the connection element 6 at the connection point 20 on the contacting tab 12 and the winding end 19 is connected to the connection element 7 at the connection point 21 on the contacting tab 13.
  • the coil winding 3 can be supplied with electrical energy from an external energy source, not shown.
  • an external energy source not shown.
  • the assembly 17 serves as an insulating mechanical connection of the extensions 10 and 11 or the legs 10a and 11a of the connection elements 6 and 7.
  • the coil current required to excite the coil winding 3 flows via the connection contact 8 of the connection element 6 through the connection element 6 and via the connection point 20 into the winding end 18 of the coil winding 3.
  • connection of the winding ends 18 and 19 of the coil winding 3 with the connection elements 6 and 7 also take place in other places.
  • the coil current flowing through the coil winding 3 generates an electromagnetic field which is used to actuate a relay contact (not shown).
  • the coil current flows over those existing between the second winding end 19 of the coil winding 3 and the contacting tab 13 Connection point 21 and via the connection element 7 or its connection contact 9 back in a suitable manner for energy supply.
  • the assembly 17 contains an additional electrical component between its connecting lugs 17a and 17b, part of the current supplied via the connecting contact 8 of the connecting element 6 does not flow via the connection point 20 into the coil winding 3, but via the extension 10 and / or the leg 10a up to its joint with the connecting lug 17a of the unit 17. Via the electrical additional component contained in the unit 17, this part of the current supplied passes via the connecting lug 17b of the unit 17 to the leg 11a or the extension 11 of the connecting element 7 and on this Paths back via connection contact 9 to the power supply.
  • the additional component contained in the assembly 17 is electrically connected in parallel according to this example of the coil winding 3.
  • the connecting elements 6 and 7 with their extensions 10 and 11 or with their legs 10a and 11a and possibly the assembly 17 (FIG. 3) are extrusion-coated with plastic to produce the coil former.
  • the flanges 4 and 5 are formed perpendicular to the longitudinal axis of the coil former 1 and in the course of the connecting contacts 8 and 9 of the connecting elements 6 and 7 formed at right angles to its longitudinal axis; the support area 2 essentially arises in the area of the extensions 10 and 11 or the legs 10a and 11a and, if appropriate, in the area of the structural unit 17 (FIG. 3).
  • the connection elements 6 and 7 together with their connection 25 form a manufacturing part 26, which is part of the band in a band production.
  • the extensions 10 and 11 have parallel to the legs 10a and 11a extending legs 10b and 11b.
  • a space 30 is present between the legs 10a and 10b or 11a and 11b.
  • the legs 11a and 11b of the extension 11 are connected to one another according to FIG. 4 to further increase the mechanical rigidity by means of a cross connection 11c.
  • the structural unit 17 is arranged to bridge gaps 16a and 16b, the intermediate space 30 and the structural unit 17 being dimensioned such that the structural unit 17 is introduced into the intermediate space 30.
  • Fig. 5 shows a further exemplary embodiment of a manufacturing part 36, which contains the connecting elements 6 and 7, the leg 10b of the extension 10 and the leg 11a of the extension 11 are short, so that the formed between the ends of the legs 10a and 11a Gap 16a close to the connection element 7 and the gap 16b formed between the ends of the legs 10b and 11b is close to the connection element 6.
  • the mechanical weak points caused by the gaps 16a and 16b are thus relocated to non-critical areas near the flanges 4 and 5 of the bobbin, not shown in FIG.
  • the legs 10a and 11b run essentially parallel to one another, forming an intermediate space 30.
  • the assembly 17 is bridging the intermediate space 30 with its connecting lugs 17a and 17b to the leg 10a in an electrically conductive manner.
  • the intermediate space 30 formed between the legs 10a and 11b and the structural unit 17 are dimensioned such that the structural unit 17 is at least partially introduced into the intermediate space 30.
  • Another terminal lug 17c is electrically conductively connected to leg 11b.
  • a diode 31 symbolically shown in FIG. 5 is arranged between the connecting lugs 17b and 17c within the structural unit 17. With regard to the performance of the diodes that can be used, it may be necessary to connect a further diode 32 in parallel with the diode 31.
  • the connection elements 6 and 7 can be in one Operation, for example by stamping from a sheet metal.
  • connection 35 together with the connection 35, they form the production part 36.
  • This connection can be punched out simultaneously with the connection elements 6 and 7 from the same sheet. According to the arrangement of the assembly 17 shown in FIG. 5, it is possible first to apply the assembly 17 and then to produce the gaps 16a and 16b.
  • a coil former 1 consists of two coil former parts 1a and 1b which are connected to one another essentially in an axial plane.
  • the coil body part 1a contains a support area part 2a for the coil winding, not shown in FIG. 6, which is delimited by the flange parts 4a and 5a contained in the coil body part 1a.
  • the coil body part 1b contains a supplementary support area part 2b, which together with the support area part 2a forms the support area 2, and additional flange parts 4b and 5b of the flanges 4 and 5.
  • the connection elements 6 and 7, the connection contacts 8, are introduced into the coil body part 1a and 9 and extensions 10 and 11 included. As already shown in FIGS.
  • the extensions 10 and 11 are designed, inter alia, as legs 10a and 11a.
  • the assembly 17 is arranged close to the flange 5 and bridges the gap 16a formed between the legs 10a and 11a.
  • the coil body parts 1a and 1b are each designed in the shape of a half shell to form the axial cavity 22; they are also provided with interlocking webs 40 or grooves 41, whereby the cavity 22 is closed when the coil former parts 1a and 1b are joined together.
  • the coil body part 1b contains a contact element 42 which tapers towards one end towards a connection contact 43.
  • the contact element 42 which is at least partially cast into the coil body part 1b, contains at least one pole plate 44. This pole plate 44 interacts with an armature, not shown in FIG. 6, which can be introduced into the axial cavity 22.
  • the gap 16a bridged by the additional component 17 is arranged opposite the pole plate in a plane running parallel to the plane of the pole plate. This compensates for the mechanical weak point caused by the gap 16a.
  • FIG. 7 shows a further production part 50, which consists of a contact element 42 and a connection 51.
  • the contact element 42 which has at least one pole plate 44, is fastened with its connection contact 43 to the connection 51 and can thus be easily fed, handled and positioned during the manufacture of the coil former.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnets (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

Un corps de bobine (101) qui porte des éléments de raccordement (106, 107) pour un relais électromagnétique devant présenter une résistance mécanique élevée avec des dimensions réduites comprend au moins un élément de raccordement (107) pourvu d'une protubérance (111) qui s'étend dans le sens de l'axe longitudinal du corps de bobine (101) dans sa région de support (102) et traverse presque entièrement celui-ci. La protubérance (111) est entourée au moins en partie par le matériau du corps de bobine (101). Lorsque les deux éléments de raccordement sont pourvus de protubérances, celles-ci peuvent être mutuellement reliées par un composant, de sorte que les éléments de raccordement forment une seule unité de fabrication. Le composant peut comprendre au moins un élément électrique qui relie électriquement entre eux les éléments de raccordement et qui coopère électriquement avec l'enroulement (103) de la bobine. Corps de bobine pour relais électromagnétiques, notamment relais de petites dimensions.

Claims (14)

  1. Corps de bobine pour un relais électromagnétique, comportant une partie de support (2;102) pour un enroulement de bobine (3;103) et des éléments de raccordement (6,7; 106, 107), qui possèdent chacun une première section (12,13; 113) qui peut être raccordée aux extrémités de l'enroulement de bobine, et une seconde section (8,9; 108,109) réalisée sous la forme d'un contact de raccordement, et dans lequel
    au moins un élément de raccordement (7;107) possède un prolongement (11;111), qui s'étend dans la direction de l'axe de la bobine et qui est enchâssé dans la partie de support (2; 102) du corps de bobine (1;101),
    caractérisé par le fait
    que le prolongement (111) dudit au moins un élément de raccordement (107) traverse la partie de support (102) ou que les prolongements (10,11) de plusieurs éléments de raccordement (6,7) traversent en commun la partie de support (2), moyennant la formation d'un interstice d'isolation (16a), et
    que pour la rigidification de la partie de support, le prolongement (111) ou les prolongements (10,11) est ou sont complètement fermés par le matériau du corps de bobine (1;101) par rapport à l'enroulement (3;103).
  2. Corps de bobine suivant la revendication 1, caractérisé par le fait que chaque prolongement (10,11,111) comporte une ou plusieurs branches (10a,11a; 10a,10b; 11a, 11b) qui s'étendent dans la direction longitudinale de la partie de support.
  3. Corps de bobine suivant la revendication 2, caractérisé par le fait que les branches (10a,10b; 11a,11b) de deux prolongements (10,11) s'étendent parallèlement côte-à-côte, au moins partiellement en chevauchement dans la partie de support.
  4. Corps de bobine suivant la revendication 2 ou 3, caractérisé par le fait qu'un prolongement (10) comporte au moins deux branches parallèles (10a,10b) ayant des longueurs différentes et que l'autre prolongement (11) possède le même nombre de branches parallèles (11a,11b) ayant des longueurs correspondantes, de sorte qu'entre les extrémités, dirigées en des sens opposés, des branches (10a,10b; 11a,11b) existent des interstices (16a,16b), qui sont situés dans des plans différents, perpendiculairement à l'axe longitudinal du corps de bobine (1).
  5. Corps de bobine suivant l'une des revendications 2 à 4, caractérisé par le fait que les branches (10a,11a) des prolongements (10,11) sont raccordées entre elles par l'intermédiaire d'au moins un module (17) qui est situé au moins partiellement dans la partie de support (2) du corps de bobine (1).
  6. Corps de bobine suivant la revendication 5, caractérisé par le fait que le module (17) est constitué par au moins un composant électrique supplémentaire (31) et que les branches (10a,11a) des prolongements (10,11) sont raccordées électriquement entre elles par l'intermédiaire du composant électrique supplémentaire (31).
  7. Corps de bobine suivant la revendication 5 ou 6, caractérisé par le fait qu'au moins un module (17) est disposé de manière à recouvrir au moins un interstice (16a) entre les extrémités des branches (10a,11a) des prolongements (10,11).
  8. Corps de bobine suivant la revendication 5 ou 6, caractérisé par le fait qu'au moins un module (17) est disposé de manière à recouvrir au moins un espace intercalaire (30) formé entre les branches parallèles (10a, 11b) de différents prolongements (10,11).
  9. Corps de bobine suivant l'une des revendications 5 à 8, caractérisé par le fait que l'espace intercalaire (30), formé entre les branches (10a,10b,11a,11b) des prolongements (10,11), et le module (17) sont dimensionnés de telle sorte que le module (17) peut être inséré au moins partiellement dans l'espace intercalaire (30).
  10. Corps de bobine suivant la revendication 4, caractérisé par le fait qu'il comporte, dans une cavité (22) formée dans la direction de son axe longitudinal, au moins une pièce polaire (44), qui fait partie d'un élément de contact (42) entouré au moins partiellement par le matériau du corps de bobine (1), et
    que la pièce polaire (44) est disposée, dans la zone d'un interstice (16a) entre les deux branches (10a,11b; 10b, 11b) et parallèlement à ces branches.
  11. Procédé pour fabriquer un corps de bobine (1; 101) possédant une partie de support (2;102) pour un enroulement de bobine (3;103), selon lequel on insère dans une matière plastique une pièce terminée (26;36), découpée à partir d'une bande et qui comporte les éléments de raccordement (6,7; 106,107) pour l'enroulement (3;103), caractérisé par le fait
    qu'on découpe au moins l'un des éléments de raccordement (6,7; 107) pour l'enroulement possédant un prolongement allongé (10,11; 111), et
    que la partie de support (2;102) du corps de bobine est formée par enrobage du prolongement (111) ou des prolongements (10,11) dans une matière plastique.
  12. Procédé suivant la revendication 11, caractérisé par le fait qu'on forme la partie de support (2a) d'un premier élément (1a) du corps de bobine au moyen d'un enrobage du prolongement (111) et des prolongements (10,11), qu'on forme la partie de support (2b) d'un second élément (1b) du corps de bobine par enrobage d'une autre pièce fabriquée (50) comportant au moins un élément de contact (44), et
    qu'on réunit les deux éléments (1a,1b) pour former le corps de bobine (1).
  13. Procédé suivant la revendication 11 ou 12, caractérisé par le fait qu'on découpe, à partir de la bande, des prolongements (10,11) de deux éléments de raccordement de bobine (6,7) d'une pièce fabriquée (26,36) tout en formant un interstice (16a,16b) et qu'avant l'enrobage de cette pièce fabriquée, on insère un composant électrique (17) dans l'intervalle vide et on le raccorde aux prolongements (10,11) des deux éléments de raccordement (6,7).
  14. Procédé suivant la revendication 11 ou 12, caractérisé par le fait que dans une pièce fabriquée, on découpe les prolongements (10,11) de deux éléments de raccordement (6,7), de manière qu'ils soient réunis d'un seul tenant, qu'on réunit un composant aux prolongements (10,11) de deux éléments de raccordement (6,7) de manière qu'ils s'étendent entre ces deux éléments, et qu'ensuite on forme les interstices (16a,16b), qui sont nécessaires pour l'isolation électrique des éléments de raccordement (6,7), avant d'enrober les prolongements (10,11) dans une matière plastique.
EP89904004A 1988-04-15 1989-04-10 Corps de bobine et son procede de fabrication Expired - Lifetime EP0410984B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813119A DE3813119A1 (de) 1988-04-15 1988-04-15 Spulenkoerper und verfahren zur herstellung eines spulenkoerpers
DE3813119 1988-04-15

Publications (2)

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EP0410984A1 EP0410984A1 (fr) 1991-02-06
EP0410984B1 true EP0410984B1 (fr) 1993-06-23

Family

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EP89904004A Expired - Lifetime EP0410984B1 (fr) 1988-04-15 1989-04-10 Corps de bobine et son procede de fabrication

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Country Link
EP (1) EP0410984B1 (fr)
JP (1) JPH03503693A (fr)
DE (2) DE3813119A1 (fr)
WO (1) WO1989009999A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9110706U1 (fr) * 1991-08-29 1993-01-07 Siemens Ag, 8000 Muenchen, De
DE9110707U1 (fr) * 1991-08-29 1993-01-07 Siemens Ag, 8000 Muenchen, De
CN104201055B (zh) * 2014-07-07 2016-04-06 四川宏发电声有限公司 一种继电器线圈端子安装工艺及设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE320126B (fr) * 1962-05-07 1970-02-02 Philips Nv
US3445797A (en) * 1967-03-16 1969-05-20 Mallory & Co Inc P R Inductor coil and bobbin with terminals
DE3318493A1 (de) * 1983-05-20 1984-11-22 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches kleinrelais und verfahren zu dessen herstellung
EP0173353B1 (fr) * 1984-08-31 1991-09-18 Omron Tateisi Electronics Co. Relais électromagnétique avec un assemblage d'armature linéairement mobile
US4827234A (en) * 1986-06-23 1989-05-02 Siemens Aktiengesellschaft Electromagnetic relay

Also Published As

Publication number Publication date
JPH03503693A (ja) 1991-08-15
WO1989009999A1 (fr) 1989-10-19
DE58904810D1 (de) 1993-07-29
EP0410984A1 (fr) 1991-02-06
DE3813119A1 (de) 1989-10-26

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