EP1792321A1 - Composant support, dispositif bobine de choc antiparasites et leur procede de production - Google Patents

Composant support, dispositif bobine de choc antiparasites et leur procede de production

Info

Publication number
EP1792321A1
EP1792321A1 EP05779297A EP05779297A EP1792321A1 EP 1792321 A1 EP1792321 A1 EP 1792321A1 EP 05779297 A EP05779297 A EP 05779297A EP 05779297 A EP05779297 A EP 05779297A EP 1792321 A1 EP1792321 A1 EP 1792321A1
Authority
EP
European Patent Office
Prior art keywords
projection
suppression choke
recess
base body
suppression
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05779297A
Other languages
German (de)
English (en)
Other versions
EP1792321B1 (fr
Inventor
Karl Gerhard
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.)
Sumida AG
Original Assignee
Vogt Electronic 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 Vogt Electronic AG filed Critical Vogt Electronic AG
Publication of EP1792321A1 publication Critical patent/EP1792321A1/fr
Application granted granted Critical
Publication of EP1792321B1 publication Critical patent/EP1792321B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062—Toroidal core with turns of coil around it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core

Definitions

  • the present invention relates to a support member for mounting an inductive element and a suppression choke device with a suppression choke and a method for producing these components.
  • suppression chokes For mounting inductive elements, such.
  • these are mounted on a circuit board or other suitable carrier and thus provided with a ferromagnetic core. Both the suppression choke and the core are attached as individual parts on the board.
  • a disadvantage of such assembly of the board with the suppression chokes is that several components are to be assembled, which leads to an increased workload and can result in poorer tolerance range for the inductance values due to inaccurate positioning of the core in the suppression choke.
  • a suppression choke with a closed frame core wherein two diametrically opposed choke coils are wound around the core. Further, a magnetic bypass is provided, which is formed in the form of a ridge on an edge side of the core. The ridge is stored in two notches in the closed core, extending from one notch to the other, the ridge resting on glass beads mixed with an adhesive and not directly touching the indentations.
  • the object of the invention to provide an inductive element of reduced size, which is easy to manufacture and whose inductive properties can be predetermined with improved accuracy.
  • this object is achieved by a carrier component for mounting an inductive element, wherein the carrier component has a base body with an upper side and a lower side and a projection formed on the upper side for receiving the inductive element. Furthermore, the carrier component comprises a recess which is formed in the projection for receiving an electronic component and / or a ferrite element.
  • the inductive element such as a toroidal core, or the like
  • the recess provided in the projection offers the possibility of accommodating additional components, for example electronic components, in the carrier component in an extremely space-saving manner, resulting in greater flexibility in the design, particularly in the miniaturization of printed circuit boards.
  • the recess can serve to receive a ferrite element, so that in particular the inductive properties of the overall component, d. H. the carrier component including the inductive element, can be adapted according to the requirements, so that different inductive properties can be achieved without changing the carrier component and / or the inductive element, or on the other hand by inductive adjustment desired inductive properties are adjustable with high precision.
  • the recess opens into the underside of the main body.
  • a corresponding electronic component or a ferrite element can be in the recess in a very efficient manner introduce.
  • the carrier component which is equipped with the inductive element, can be arranged on a circuit board as a carrier component possibly over an already applied electronic component, so that a more efficient use of the available board space can be achieved.
  • the recess opens in a side facing away from the top of the base body boundary surface of the projection.
  • the recess thus has an opening at the top of the projection, so that a corresponding electronic component and / or a ferrite element can be introduced into the recess in a simple manner, regardless of whether the carrier component is already mounted on a circuit board. Furthermore, due to the good accessibility of the recess, an adjustment of the inductive properties possibly only in the mounted state, for example by varying the position of a ferrite element and / or by providing different types of ferrite elements, so possibly also the setting on the basis the electronic behavior of a board can be done. In particular, in combination with a recess open at the bottom and at the top, the advantages which are achieved, for example, by receiving an electronic component on the underside and a ferrite element on the top, can be advantageously combined.
  • the main body is a one-piece injection molded plastic part, so that thus a cost-effective manufacturing process and high manufacturing accuracy can be achieved in large quantities.
  • the base body is made of plastoferrit.
  • the projection is formed axially symmetrical with respect to an axis of symmetry which extends perpendicular to the upper side of the base body.
  • a corresponding symmetrical design can simplify the assembly process, in particular if appropriately symmetrically designed inductive elements, for example suppression chokes with two windings on a toroidal core, and the like are used.
  • the projection has at least one lateral characteristic for positioning the inductive element. In this way can be achieved in the mounting of the inductive element on the support member high accuracy in positioning, so that on the one hand, the mounting process itself is very easy and on the other hand, the resulting component tolerances of the finished assembled device can be significantly reduced.
  • the at least one expression for a positive engagement with an at least partially wound toroidal core is formed. Due to this construction, standard inductive elements, such as suppression chokes and the like, which are typically wound on a toroidal core, can be positioned in a very precise manner, so that assembly tolerances occurring therewith can be minimized.
  • a suppression choke device wherein the suppression choke device has a suppression choke with a toroidal core and a carrier component for receiving the suppression choke.
  • the support member is provided with a base body with a suppression choke facing the top and a projection formed on the top, wherein the toroidal surrounds the projection at least partially.
  • Entstördrosselvoroplasty invention ensures an extremely precise assembly of the suppression choke on the support member, whereby the assembly process itself is simplified due to the partial enclosing and thus the good positioning of the suppression choke.
  • the toroidal core is a closed toroidal core.
  • the suppression choke device of the present invention is particularly well suited for standard toroidal cores of suppression chokes.
  • the suppression choke has at least two inductors wound around the toroidal core.
  • the at least two choke coils are arranged substantially diametrically opposite one another with respect to the toroidal core. Due to this design, a high degree of symmetry of the two suppression chokes can be achieved, so that in combination with the increased manufacturing accuracy and the simplified assembly process, a more cost-effective solution with the same or higher precision is provided.
  • a recess for receiving an electronic component and / or a magnetic element is formed in the projection.
  • the design of the carrier component is provided in the manner already described above, so that there are also the advantages outlined above.
  • a plurality of connection pins are provided, wherein at least one connection pin is connected to a conductor leading to the recess. Due to this configuration, a corresponding electronic component in the recess can be efficiently connected to peripheral components, so that, for example, a corresponding component can already be arranged in the recess on a circuit board before the suppression choke device is mounted.
  • the electronic component has a capacitor and / or a fuse and / or a diode.
  • a method of making an inductive component for receipt on a circuit board comprises the steps of attaching an inductive element on a carrier component, which may be formed in accordance with the previously described embodiments. Introducing an electronic component and / or a magnetic element into the recess and fixing the electronic component and / or the magnetic element by frictional engagement and / or adhesion.
  • the overall behavior of the inductive element can be improved by, for example, attaching a corresponding diode or another component in the immediate vicinity of the windings forming the inductive component.
  • possible voltage spikes for example when the electronic component is provided as a freewheeling diode, can be kept low in other circuit areas of the circuit board.
  • the inductive property of the element can be changed as desired. In this case, depending on the application of the desired mechanical fixing a permanent or a releasable mechanical attachment can be achieved, so that there is also in this respect a great deal of flexibility in terms of assembly and setting of component properties.
  • the method comprises adjusting the inductance of the inductive element by introducing the magnetic element and adjusting the position of the magnetic element in the recess in accordance with a predetermined desired value.
  • a shift of electronic components or magnetic components is achieved in the body of a support member, which can have a reduction of a directly arranged on the board number of electronic components and finally a reduction in the size of the board itself result.
  • FIG. 1 shows a perspective view of a suppression choke device with a carrier component and a suppression choke according to the present invention
  • FIG. 2 shows a longitudinal side view of the suppression choke device shown in FIG. 1;
  • FIG. 3 shows a brief side view of the suppression choke device shown in FIG. 1 and FIG. 3
  • FIG. 4 shows a plan view of the suppression choke device shown in FIG. 1.
  • FIG. 1 to 4 show an embodiment of a suppression choke device according to the invention with a carrier component 10 and on a suppression choke 9 fastened on this carrier component 10.
  • the carrier component 10 has a main body 1 with an upper side 3 and a lower side 5.
  • the main body 1 may have a substantially rectangular flat design, wherein as can be clearly seen in FIGS. 1 and 4, corresponding side parts may be provided as needed in addition to the generally rectangular basic shape.
  • a projection 7 is formed which, in one embodiment, is perpendicular to the upper side 3 of the main body 1 and has a suitable cross-sectional shape, the cross-section being intended as a cross-section substantially parallel to the upper side 3 of the main body 1.
  • the cross-sectional shape is substantially rectangular, wherein a substantially circular bulge is provided in the center, so that a circular outlet results on the longitudinal side of the projection 7.
  • the top surface 18 of the projection 7 forms a substantially planar surface that can be used for vacuum suction for assembly Carrier component 10 is provided as SM D component.
  • a recess 11 for receiving an electronic component and / or a ferrite element or magnetic element is provided, wherein in one embodiment, the recess opens into the bottom 5 of the base body 1.
  • the recess 11 extends from the underside 5 of the base body 1 to the side facing away from the top 3 of the main body 1 wall 8 of the projection 7 and has a substantially rectangular shape in cross-section, which is substantially the rectangular cross-sectional shape of the projection. 7 equivalent.
  • the recess 11 is designed without the one-sided boundary by the wall 8 of the projection 7, so that the recess 11 is open from both sides.
  • the recess 11 may be formed on the top, and not open into the bottom 5 of the base body 1.
  • the recess 11 serves to receive an electronic component and / or a ferrite element or magnetic element (not shown), which can be received in a form-fitting manner in the recess 11.
  • the support member 10 is constructed of a plastic, such as hard plastic or Plastoferrit and can be prepared by spraying.
  • a portion of the body 1, such as the projection 7, may be made of plastoferrite.
  • an inductive element such as a suppression choke 9, which in one embodiment comprises a toroidal core 13, such as a closed toroidal core, constructed of ferrite and around which one or more reactors 15a and 15b are wound.
  • a plurality of choke coils 15a, 15b are provided, which are arranged diametrically opposite one another with respect to the ring core 13.
  • the inductive element or the suppression choke 9 encloses the projection 7 in one embodiment with its ring core 13, wherein the one or more choke coils 15a and 15b are arranged on both sides of the projection 7 and adjacent to the circular outlet or bulge of the projection 7.
  • the shape of the projection 7 may be formed so that even by the winding of the ring core 13 resulting formations are positively engaged with the projection 7 in engagement.
  • the height of the projection 7 with respect to the top 3 of the base body 1 corresponds in the embodiment shown approximately to the height of the suppression choke 9, whereby a fairly compact design is achieved. In other embodiments, the height may be chosen differently so that, for example, the top of the projection 7 remains well below the choke coil 9 when, for example, toroidal cores of substantially rectangular cross-section are used.
  • the protrusion 7 may protrude beyond the choke coil 9, for example, if the provision of a corresponding cover at the top of the projection 7 for further mechanical fixation of the choke coil 9 is provided.
  • the embodiment of the suppression choke device shown in FIGS. 1 to 4 has the carrier component 10 with a projection 7, which is formed axially symmetrical, wherein the axis of symmetry of the projection 7 is perpendicular to the upper side 3 of the main body 1.
  • the projection 7 may also be asymmetrical in order to take into account the number or arrangement of the choke coils 15a, 15b on the toroidal core 13 or the shape of the toroidal core 13 when the positive locking of the projection 7 and the choke coil 9 is desired.
  • the recess 11 in the projection 7 can also be used for receiving an electronic component, for example a capacitor, a fuse, a diode or a ferrite element (not shown) or magnetic element.
  • the electronic component or the ferrite element can be held in the recess 11 either by friction or by gluing. Particularly advantageous is the possibility of displacement of a ferrite element or magnetic element (not shown) in the recess 11, whereby the inductance properties of the suppression choke can be selectively changed.
  • terminal pins 16 are provided in the support member 10, and the terminal pins 16 may be connected to coil ends of the choke coils 15a, 15b.
  • one or more of the terminal posts 16 are electrically connected by a conductor (not shown) to corresponding terminal or contact areas 17 (see FIG. 4) such that a corresponding component that is inserted into the recess 11 and with the Terminal areas 17 comes into contact, for example, with terminal contacts of a fuse, etc., is electrically connected to the terminal pins 16. In this way, a very efficient electrical connection of one or more electronic components in the recess 11 to a board on which the support member 10 is to be mounted, are produced.
  • corresponding soldering surfaces may be provided, so that an SMD design can be realized, in which case a planar surface for the suction during the equipping process can be provided, for example with a corresponding shape of the projection 7.
  • the inductive element 9 is a suppression choke.
  • the main body 1 is a one-piece plastic injection-molded part, which is preferably made of plasma ferrite.
  • a suppression choke device is provided with a suppression choke 9, which comprises a closed ring core 13 and at least two inductors 15a, 15b wound around the ring core 13 with respect to the toroidal core 13 substantially diametrically opposite each other, wherein the suppression choke device further comprises a carrier component 10 for Receiving the suppression choke 9, and wherein the support member 10 includes a base body 1, on the top side 3 a projection 7 is formed, wherein the suppression choke 9 is mounted on the top 3 of the base body 1 so that the projection 7 is enclosed by the ring core 13 ,
  • a recess 11 opening into the underside 5 of the base body 1 for receiving an electronic component or ferrite element is formed in the projection 7.
  • the outer shape of the projection 7 is formed so that the projection 7 is received by the core 13 with the choke coils arranged thereon substantially in a form-fitting manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

L'invention concerne un composant support (10) permettant d'appliquer un élément inductif et comprenant un corps de base (1) dont la surface supérieure présente une saillie (7) permettant d'enficher l'élément inductif (9). Cette saillie comporte un creux (11) permettant de loger un composant électronique et/ou un élément en ferrite. L'invention concerne également un dispositif bobine de choc antiparasites comportant un composant support qui présente une saillie permettant d'enficher une bobine de choc antiparasites. L'invention concerne enfin un procédé de production d'un composant inductif à monter sur une platine.
EP05779297.0A 2004-09-09 2005-09-09 Composant support, dispositif bobine de choc antiparasites et leur procede de production Expired - Fee Related EP1792321B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004014066U DE202004014066U1 (de) 2004-09-09 2004-09-09 Trägerbauteil und Entstördrosselvorrichtung
PCT/EP2005/009733 WO2006027268A1 (fr) 2004-09-09 2005-09-09 Composant support, dispositif bobine de choc antiparasites et leur procede de production

Publications (2)

Publication Number Publication Date
EP1792321A1 true EP1792321A1 (fr) 2007-06-06
EP1792321B1 EP1792321B1 (fr) 2013-07-10

Family

ID=33521917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05779297.0A Expired - Fee Related EP1792321B1 (fr) 2004-09-09 2005-09-09 Composant support, dispositif bobine de choc antiparasites et leur procede de production

Country Status (4)

Country Link
US (1) US8222987B2 (fr)
EP (1) EP1792321B1 (fr)
DE (1) DE202004014066U1 (fr)
WO (1) WO2006027268A1 (fr)

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DE102014117900A1 (de) * 2014-12-04 2016-06-09 Epcos Ag Spulenbauelement und Verfahren zur Herstellung eines Spulenbauelements
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US11665790B2 (en) * 2016-12-22 2023-05-30 Whirlpool Corporation Induction burner element having a plurality of single piece frames
CN107123506A (zh) * 2017-07-11 2017-09-01 合肥艾克比电子科技有限公司 一种低温升的磁环电感器
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Also Published As

Publication number Publication date
WO2006027268A1 (fr) 2006-03-16
EP1792321B1 (fr) 2013-07-10
US8222987B2 (en) 2012-07-17
DE202004014066U1 (de) 2004-12-16
US20080055035A1 (en) 2008-03-06

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