EP2690634A2 - Bobine - Google Patents

Bobine Download PDF

Info

Publication number
EP2690634A2
EP2690634A2 EP13174571.3A EP13174571A EP2690634A2 EP 2690634 A2 EP2690634 A2 EP 2690634A2 EP 13174571 A EP13174571 A EP 13174571A EP 2690634 A2 EP2690634 A2 EP 2690634A2
Authority
EP
European Patent Office
Prior art keywords
coil
wire
holding element
connector
connectors
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
EP13174571.3A
Other languages
German (de)
English (en)
Other versions
EP2690634A3 (fr
EP2690634B1 (fr
Inventor
Hans-Kersten Lesk
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.)
SVM Schultz Verwaltungs GmbH and Co KG
Original Assignee
SVM Schultz Verwaltungs 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48771296&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2690634(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SVM Schultz Verwaltungs GmbH and Co KG filed Critical SVM Schultz Verwaltungs GmbH and Co KG
Publication of EP2690634A2 publication Critical patent/EP2690634A2/fr
Publication of EP2690634A3 publication Critical patent/EP2690634A3/fr
Application granted granted Critical
Publication of EP2690634B1 publication Critical patent/EP2690634B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F2007/062—Details of terminals or connectors for electromagnets

Definitions

  • the invention relates to a coil, as used for example as a magnetic coil in an electromagnet, consisting of a bobbin, which carries a plurality of turns of a current-carrying wire and wherein the bobbin at least one holding element for the mechanical fixing of a wire start and a wire end of the turns , As well as at the beginning and end of the wire, the electrical connector for connection to an electrical feed or discharge line.
  • Object of the present invention is to develop a generic coil to the effect that an adaptation of the coil to the intended use is done only via the connector.
  • the coil according to the invention is characterized in that the connectors are formed as components separate from the holding element.
  • Advantage of the coil according to the invention is that a standardized in the essential components bobbin with arranged thereon holding element for the mechanical fixing of a wire start and a wire end is provided and is used.
  • the final adaptation of the coil to the planned installation situation or prescribed by the user design is done by subsequent arrangement of the connectors, which are provided as separate components.
  • An advantage that results from this is that the bobbins with free wire ends can be produced in large numbers as a standard component and stored, for example.
  • the respective use-dependent Connector plugged and thereby conductively connected to the corresponding arranged on the holding element wire ends or the wire beginning.
  • the invention also provides that standardized holding elements are provided on bobbins with different sizes, wire sizes, numbers of coils, so that when changing the production only a retooling of the tool or the connector to be arranged must be done, all other (machine) settings but can remain the same. As a result, set-up times are significantly shortened and significantly reduced the manufacturing costs, for example, for small batches.
  • the holding element is designed such that the wire beginning and end of the wire are fixed in each locally spaced areas. This avoids the risk of short circuits between the beginning of the winding and the end of the winding.
  • turns can be replaced synonymously by the term winding or windings.
  • windings or windings to understand is a running around an axis winding of a material in the solid state.
  • the current-conducting wire is arranged in the form of turns on a bobbin. These turns are achieved by winding the wire on the bobbin.
  • An embodiment of the invention provides that only one holding element is provided on the bobbin, which carries both the wire beginning and the wire end spaced from each other.
  • the free wire areas of the wire beginning and wire end are in this case provided on the holding elements extensions, Led projections mandrels or domes and set by suitable crossover or winding.
  • the winding start and the winding end can be wound one or more times around a so-called Anwickeldom or thorn-like extension on the holding element.
  • another wrap or number of turns or different numbers of coils and wire beginning and end of the wire is also possible.
  • the holding element itself can provide a guide for the free wire areas available and isolate the wire end or the beginning of the wire against each other.
  • An advantageous embodiment provides only a single holding element, which carries or sets the wire beginning and end in spaced areas.
  • a development of the invention provides, as an alternative to this, that the coil has two holding elements, one holding element for the wire beginning and one holding element for the wire end.
  • the use of two separate holding elements allows the definition of the free wire areas and the subsequent arrangement of the final use of the coil adapted connector.
  • the connector provided as a separate component are thereby pushed onto the respective holding elements or glued to the holding element or the holding elements, welded or caulked.
  • a possible due to the configuration of the retaining element clamping of the connector on the retaining element is also included in the invention and is considered advantageous.
  • a carrier is provided on the coil, in particular on a coil flange, which extends in particular radially to the bobbin. From this carrier, the holding element is added according to the invention.
  • This embodiment has the advantage that a further standardization of the coil body manufacturing can be carried out.
  • the current-conducting wire is first wound up and the free end of the wire or the free beginning of the wire is then connected to a holding element, which is received by the carrier.
  • the holding element then ensures the definition of the wire beginning and end of the wire and is suitable to accommodate a variety of connectors or wear.
  • the holding element is designed as a winding mandrel, which is at least partially looped by the wire end or wire beginning.
  • the holding element has two winding mandrels, a winding mandrel for the wire end and a winding mandrel for the wire beginning. First, before the beginning of the winding of the wire beginning associated winding mandrel is wrapped by the wire beginning. After completion of the winding of the other, the wire end associated winding mandrel is then wrapped by the wire end and the turns then determined accordingly.
  • mandrel and dome are used in the context of the invention as synonyms.
  • a preferred embodiment of the device according to the invention provides that the connector is pushed onto the retaining element.
  • the connector which, as described at the beginning, connects the wire start or wire end to an electrical supply or discharge line, is arranged on the holding element such that the wire end or the wire beginning is arranged between the connector and the holding element.
  • An alternative embodiment provides that the connector between the holding element and the wire end or wire beginning is arranged.
  • the arrangement of the wire start or wire end is also determined by the way in which the wire start or the wire end wraps around the holding element or a winding mandrel conveniently provided there.
  • the holding element itself has conveniently recesses or grooves or the like, which allow the sliding of the connector.
  • a further advantageous embodiment of the invention proposes that the connector is adhesively bonded, welded or caulked to the retaining element or the connector is held on the retaining element by clamping.
  • All these connection options have the advantage that they can be carried out automatically, so that the coil of the invention can be created even in larger series.
  • the carrier adjoins the coil or the coil flange on one side and the carrier carries at least one holding element on the side facing away from the coil or the coil flange.
  • the carrier can in this case already be provided in the manufacture of the bobbin on this, so that here a standardized element is provided which functionalized on the selection of a suitable holding element or a connector connected to the holding element or to the respective requirements of the successor use of the coil can be adjusted.
  • At least one guide element for the wire in particular for the wire beginning and / or for the wire end, is provided on the carrier, the coil or the bobbin. As a result, a separate holding of the wire end or wire start is ensured and allows a proper winding process.
  • the carrier or the spool flange preferably have a lateral recess which is spanned by the wire.
  • the connector is then arranged on the carrier or coil flange or the holding element such that an electrically conductive connection with the wire or the wire area spanning the recess is ensured.
  • the wire lying in the region of the lateral recess is aligned in such a way that it is brought into engagement with the connector plugged onto the holding element or the carrier or reel flange.
  • gluing, welding, caulking or jamming of the wire to the connector and the connector to the carrier, coil flange or holding member may be performed to make a permanent and electrically conductive connection.
  • a further development of the invention provides that the bobbin, the coil, the holding element or the carrier carrying the holding element has a clamping slot which is able to interact mechanically with a plug-in piece of the connector.
  • the plug of the connector is conveniently inserted into the clamping slot. It is thus advantageously achieved stabilization of the arrangement of the connector.
  • the clamping connection between the holding element or carrier coil or bobbin and connector is substantially improved and ensures an electrically conductive connection.
  • the clamping slot is preferably aligned perpendicular to the bobbin, but may also be parallel to the coil axis or have some other regarded as favorable orientation.
  • Equally of inventive significance is a group of individual, at least partially different connector, a cooperating with the wire of a magnetic coil contact area and one with the electrical Zu- or Derivative connectable connection area.
  • the connectors of the group are characterized by the fact that the contact areas of the connectors of all groups have the same design. This has the advantage that in the case of a configuration of the connector which is adapted to the area of use of the coil, a form of the connection regions which is matched to the holding elements on the coil is made available. These are designed such that always the same contact point with the wire of the coil is ensured.
  • the group preferably consists of at least two subgroups of connectors, the connectors of a subgroup being identical in each case and the connectors of different subgroups having different terminal areas.
  • the connectors provided by the embodiment according to the invention can be designed, for example, as connectors that can be connected to the electrical supply line on the one hand and to the electrical discharge on the other hand.
  • An embodiment with different arrangement sides can also be provided.
  • the invention thus provides connectors that can be arranged in a precise position on the bobbin and yet are tuned to the coil according to the invention, so that the assembly can be performed much simplified.
  • the invention also provides a system comprising, in addition to a coil, for example, a usable as a magnetic coil in an electromagnet coil, which consists of a bobbin, which carries a plurality of turns of a current-carrying wire and at least one holding element for the mechanical Setting a wire start and a wire end of the turns provides and a connector which is formed separately from the holding element and is connected at the completion of the bobbin with this is formed.
  • the connector in each case contacts either the beginning of the wire or the end of the wire and allows an electrically conductive connection.
  • the system according to the invention has all the features described in connection with the coil individually or in combination.
  • Equally of inventive significance is a method for mounting a magnetic coil, for example for an electromagnet, wherein the magnetic coil has a bobbin on which a current-conducting wire is wound with a plurality of turns.
  • the inventive method provides that the wire beginning or the wire end is fixed to at least one holding element.
  • the magnetic coil is completed with connectors, in particular from a group of partially different connectors. Completion is accomplished by conductively connecting the connector in a contact area with the wire. The contact area is provided on the connector.
  • the determination of the wire beginning or end of the wire on the holding element is such that the contact region of the connector and wire start or end of the wire are brought into contact with the arrangement of the connector and thereby a conductive connection is made.
  • a further development of the method according to the invention provides that the connector, together with the electrical connection, is mechanically connected to the bobbin, the coil, the holding element or the carrier carrying the holding element.
  • the connection takes place, for example, by gluing, welding or caulking or simply by plugging the connector onto the retaining element.
  • a clamping connection can be made available, is made by engagement of the connector with corresponding recesses provided on the holding element, grooves or the like.
  • the inventive method provides in a preferred embodiment that the completion of the magnetic coil with connectors takes place locally and / or temporally separated from the winding process of the magnetic coil.
  • This embodiment allows one to provide a standardized prepared coil or bobbin carrying the current conducting wire and subsequently adaptively placing appropriately functionalized connectors.
  • the wound magnetic coil can be made for this purpose, for example, in large numbers of standardized components and then stored.
  • the connectors are then arranged on the prepared coils or bobbins and the coil thereby completed. This results in significantly shorter set-up times, which compensate for the storage costs resulting from storage.
  • it is also possible to react to small series production orders with little effort without having to carry out a complete adaptation of the entire tools and machines for producing the coils, in particular when bobbins of different sizes always have the same holding elements.
  • Fig. 1a shows a coil 1 according to the invention in plan view. Recognizable here is a on the bobbin (see. Fig. 1b ) subsequent coil flange, which is in communication with the holding element 3.
  • the coil 1 carries turns 20 of a current-conducting wire 2. From this wire 2 is in Fig. 1a only the wire beginning 21 and the wire end 22 can be seen, which wrap around the holding element 3.
  • a first connector 41 serves to contact the wire start 21 while a second connector 42 is brought into contact with the wire end 22.
  • the connectors 4 serve to connect to an electrical supply or discharge to the coil 1.
  • the here Spool 1 and its bobbin 10 can be provided as a standardized element and is completed by arranging, for example, plugging, gluing, welding or other Inverbindrid, with the connectors 41, 42 to form an overall system.
  • the connector 4 have a matched to the execution of the holding element 3 plug 43.
  • the male piece 43 is matched to the support member 3 and thus can be universally connected to a standardized support member.
  • the final tuning of the connectors 4, 41, 42 then takes place via the sections of the connectors 41, 42, 4 adjoining the plug-in piece 43.
  • the holding element 3 provides in the exemplary embodiment a total of two winding mandrels 31, 32 available, which are looped by the wire beginning 21 and end of the wire 22 and thus set the wire 3.
  • a contact region (not shown) is provided, which establishes an electrical connection after contacting the wire 2.
  • the holding element 3 is in the embodiment of Fig. 1a on the spool flange 11 extending radially from the bobbin 10 (see. Fig. 1b ) extends away.
  • a enschender extension is here molded, for example molded or arranged later.
  • the spool flange 11 itself has a guide slot 12 (see. Fig. 1b ), via which a guide of the wire 2, for example, the wire beginning 21 and the wire end 22, to the holding element 3 out.
  • Fig. 1b shows a coil 1 according to the invention in side view. Shown here is fragmentary only a portion of the bobbin 10, which carries the windings 20 of the current-conducting wire 2. The windings 20 are shown schematically here. Also recognizable is the spool flange 11, which adjoins the actual bobbin 10 and in the embodiment of Fig. 1b a carrier 30 for the holding element 3 is available. The holding element 3 has already been in connection with the Fig. 1a described.
  • the spool flange 11 also serves as a guide of the wire beginning 21 and the wire end 22 and ensures a separate holding wire beginning 21 and wire end 22 to avoid short circuits here.
  • the holding element 3 has in the embodiment of Fig. 1b a clamping slot 33.
  • the connector 4 is thus held in a press fit and contacts the wire end 22 and the wire beginning 21 in the lateral region of the holding element 3.
  • the wire 2 spans a recess in the holding element 3, as this for example in Fig. 1a is recognizable. In this spanning portion engages the contact area of the connector. 4 on the wire 2 and establishes an electrically conductive connection.
  • Fig. 1b is the coil 1 according to the invention in an unassembled state, that is shown without arranged connector 4.
  • Fig. 2a shows the mounting state of the coil 1 according to the invention
  • the connectors 41, 42 were attached laterally on the support member 3 and inserted into the clamping slots 33 provided there.
  • the contact areas on the connectors 41, 42 engage around the wire 20 clamped on the retaining element 3 and contact it. This results in an electrically conductive connection.
  • At the connectors 41, 42 close to inlet and outlet 6 at. This is especially in Fig. 2b recognizable.
  • inlet and outlet 6 have a bend over which, for example, a plug-in connection with a power source can be produced. From the Fig.
  • an adaptation of the coil 1 to the respective areas of use can be carried out via the suitable selection of the feed lines or discharge lines 6 or their configuration on the connectors 41, 42.
  • the geometry and the size or shape or design of the inlet or outlet 6 is freely selectable, while with the coil 1 and the holding element 3 and the wire defined there 21 or wire end 22, a standardized element is provided.
  • Coil 1, bobbin 10 and carrier 30 or holding element 3 can thus be made available as a standardized system element.
  • the final adaptation of the overall coil 1 takes place via the shape of the connector 4 or its inlet or outlet 6.
  • the connector 4 is pushed onto the retaining element 3.
  • the wire beginning 21 extends here on the side facing away from the plug 43 side of the holding element 3.
  • the wire end 22 and the wire beginning 21 wrap around the mandrels 31, 32 of the holding element 3.
  • Fig. 1a and 2a has the wire beginning 21 only half a wrap of the winding mandrel 31, while the wire end 22 wraps around this associated winding mandrel 32 twice.
  • a higher or lower number of wraps is necessary to ensure a secure hold of the wire beginning 21 or wire end 22.
  • the arrangement is realized by the existing between wire 2 and 3 holding element friction. Overall, however, it remains possible, depending on the ultimate use of the coil 1, to provide more than one loop.
  • the connection region that is to say the insertion piece 43 of the connector 4, is in the carrier 30 or the holding element 3.
  • the actual contact of the connector 4 with the wire beginning 21 or wire end 22 is performed via the contact piece or a contact area provided here.
  • a clamping connection between wire 2, that is, wire end 22 or wire beginning 21, and connector 4 is performed in the contact area by clamping the wire 2.
  • the inlet and / or outlet 6 or the inlet or outlet region of the connector 4 may have various embodiments, which are based on the ultimate use or the purpose of the coil 1 according to the invention.
  • the coil flange 11 leads the wire beginning 21 or wire end 22 by suitable grooves or recesses to the intended position on the support member 3 and allows lateral guiding of the wire 2 on the holding element 3.
  • the spool flange 11 also ensures that a separate holding wire beginning 21st and wire end 22 takes place until appropriate Connector 4 are arranged on the coil 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
EP13174571.3A 2012-07-27 2013-07-01 Bobine Revoked EP2690634B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012106863.1A DE102012106863A1 (de) 2012-07-27 2012-07-27 Spule

Publications (3)

Publication Number Publication Date
EP2690634A2 true EP2690634A2 (fr) 2014-01-29
EP2690634A3 EP2690634A3 (fr) 2017-11-29
EP2690634B1 EP2690634B1 (fr) 2020-11-25

Family

ID=48771296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13174571.3A Revoked EP2690634B1 (fr) 2012-07-27 2013-07-01 Bobine

Country Status (2)

Country Link
EP (1) EP2690634B1 (fr)
DE (1) DE102012106863A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166265A (en) 1978-02-03 1979-08-28 Amp Incorporated Coil bobbins and termination of coil windings
DE3544974A1 (de) * 1985-12-19 1987-06-25 Aweco Kunststofftech Geraete Elektromagnet mit steckanschluss
US4728916A (en) 1986-06-05 1988-03-01 Lectron Products, Inc. Solenoid operated fluid control valve
DE10014738A1 (de) * 2000-03-24 2001-10-11 Bosch Gmbh Robert Elektrische Spule, insbesondere für Magnetventile
JP3952750B2 (ja) 2001-11-20 2007-08-01 Ｎｏｋ株式会社 ソレノイド
DE202005006010U1 (de) 2004-06-16 2005-06-30 Hydac Electronic Gmbh Betätigungsvorrichtung
JP4342471B2 (ja) 2005-05-12 2009-10-14 三菱電機株式会社 内燃機関用点火コイル装置
CN101501935B (zh) * 2006-07-19 2012-04-18 博格华纳公司 具有导线挤压限制器的端子焊接片
US7884693B2 (en) * 2007-09-04 2011-02-08 Robertshaw Controls Company Two piece bi-metal coil terminal and electrical coil assembly incorporating same
JP4952626B2 (ja) 2008-03-14 2012-06-13 住友電装株式会社 コイル装置
US7902954B2 (en) 2009-04-09 2011-03-08 Eaton Corporation Dual sided connector block
JP2012156188A (ja) 2011-01-24 2012-08-16 Saginomiya Seisakusho Inc コイルおよびコイルを用いた電磁弁
CN202142367U (zh) 2011-04-20 2012-02-08 杭州神林电子有限公司 家用电器用电磁阀的电磁线圈

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
EP2690634A3 (fr) 2017-11-29
EP2690634B1 (fr) 2020-11-25
DE102012106863A1 (de) 2014-01-30

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