EP2476125B1 - Bobine pour un module magnétique d'une électrovanne et procédé d'enroulement d'un fil de bobinage sur une bobine - Google Patents

Bobine pour un module magnétique d'une électrovanne et procédé d'enroulement d'un fil de bobinage sur une bobine Download PDF

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Publication number
EP2476125B1
EP2476125B1 EP10734107.5A EP10734107A EP2476125B1 EP 2476125 B1 EP2476125 B1 EP 2476125B1 EP 10734107 A EP10734107 A EP 10734107A EP 2476125 B1 EP2476125 B1 EP 2476125B1
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EP
European Patent Office
Prior art keywords
winding
wire
clamping gap
width
winding wire
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
EP10734107.5A
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German (de)
English (en)
Other versions
EP2476125A1 (fr
Inventor
Bernd Kellner
Ernst Lorenz
Martin Haas
Wolfgang Mailaender
Ruediger Prumbs
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2476125A1 publication Critical patent/EP2476125A1/fr
Application granted granted Critical
Publication of EP2476125B1 publication Critical patent/EP2476125B1/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/076—Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
    • 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 winding body for a magnet assembly of a solenoid valve according to the preamble of independent claim 1 and a method for winding a winding wire on a winding body according to the preamble of independent claim 9, and a magnet assembly and a solenoid valve with such a winding body.
  • solenoid valves are used for pressure modulation.
  • ABS anti-lock braking system
  • ASR traction control system
  • ESP electronic stability program system
  • solenoid valves consist of a valve cartridge, which is caulked in a fluid assembly, and a magnet assembly whose location is usually located in an associated control unit.
  • the magnet assembly is driven to generate a corresponding magnetic field with electrical control signals, wherein the magnet assembly comprises a wound on a winding support wire winding having a predetermined number of turns, a cover and a housing shell.
  • the cover is pressed as Eisentigbauteil in the housing shell to close the iron circle of the magnet assembly.
  • the winding wire beginning threaded into the first wire-receiving slot is placed on a first wire pad which is arranged after the first wire-receiving slot, wherein the winding wire is shaped and held before the winding process such that the diameter of the winding wire at a region resting on the first wire pad in the direction of Width of the first wire receiving slot is increased, thus preventing slipping back of the winding wire start in the first wire receiving slot.
  • the wound in the second wire receiving slot winding wire end is placed on a second wire support, which is arranged after the second wire receiving slot, wherein the winding wire after the winding process is transformed and cut so that the diameter of the winding wire at a resting on the second wire pad area in the direction of Width of the second wire receiving slot is increased and slipping back of the winding wire end is prevented in the second wire receiving slot.
  • the method described requires a special winding arrangement with special forming tools for the winding wire start or the winding wire end.
  • winding body for a magnet assembly of a solenoid valve which comprises a base body on which a winding wire is wound, and two electrical connection domes, each having a first clamping gap having a first width, in which a winding wire wound onto the base body inserted is, wherein the winding wire ends each resting on a support surface of a wire support, wherein for receiving the corresponding winding wire end of the support surface of the wire support a second nip is arranged with a minimum second width, which is smaller than the first width of the first Clamping gap is, wherein the minimum second width of the second clamping gap is adjusted to a diameter of the winding wire, that the corresponding winding wire end is fixed in the second clamping gap.
  • the winding body according to the invention for a magnetic assembly of a solenoid valve with the features of independent claim 1 has the advantage that for receiving a corresponding winding wire end behind a first nip in the region of a bearing surface of the wire support a second nip is arranged with a minimum second width, which is smaller than the first width of the first clamping gap is executed.
  • the minimum second width of the second clamping gap is matched to a diameter of the winding wire such that the corresponding winding wire end is fixed in the second clamping gap.
  • the winding body according to the invention for a magnetic assembly of a solenoid valve comprises a base body, a first electrical connection dome with a first clamping gap, in which a winding wire end is inserted, and a second electrical Anschlußdom with a first clamping gap, in which the other winding wire end is inserted.
  • the first connection dome and the second connection dome are designed, for example, as a plastic injection-molded part and each have a wire support which is arranged in the direction of the respective winding wire end behind the first clamping gap.
  • the winding body according to the invention can be used for example in a corresponding magnet assembly and in a solenoid valve with such a magnet assembly.
  • Embodiments of the invention advantageously prevent the corresponding winding wire end from slipping back into the first clamping gap of the electrical connection dome during the winding process and / or during subsequent assembly processes and / or during handling of the wound winding body due to the second clamping gap.
  • a process-reliable wire holding function is implemented until contacting, so that the process reliability is advantageously increased, and the clamping dimension of the first clamping gap in the electrical connection dome is no longer safety-critical.
  • two spaced-apart wire clamping blocks are arranged on the support surface of the wire support, whose distance from one another forms the second clamping gap.
  • the two wire clamp blocks according to the invention are designed so that the distance between the two wire clamp blocks and thus the second nip tapers along its length from an initial width to the minimum second width. Thereby, the fixation of the winding wire can be ensured in an advantageous manner, regardless of the manufacturing tolerances of the winding wire.
  • the taper along the length of the second nip corresponds to approximately 10 to 20%, preferably 15%, of the initial width.
  • the output width of the second clamping gap corresponds to the first width of the first clamping gap.
  • the second clamping gap can be formed directly on the first clamping gap.
  • the wire clamp blocks are designed so that the distance between the two wire clamp blocks and thus the second nip tapers at least in an initial region along its height.
  • a winding method for the winding process, in which a winding wire is wound onto a base body of a winding body, a winding method is known from the prior art, which uses a so-called wire-free winding.
  • the winding wire is not fixed via an auxiliary pin, but via an additional clamping during the changing of the winding body. That is, a winding wire end of a previous magnet assembly may be used as the beginning of the subsequent magnet assembly.
  • the fixation of the winding wire in the winding body takes place via a pinching in a first nip of an electrical connection dome, which is part of the winding body.
  • the nip is designed for connection to the winding wire as insulation displacement connection.
  • the electrical connection dome is designed as a plastic injection molded part, it is difficult to comply with the required tolerance for the nip width spray technology.
  • process influences after injection molding, such as shrinkage and water absorption, for the component dimension usually can not be considered.
  • the winding wire for example, due to a too weak pressure in the nip during the cutting process on the winding machine, or in the subsequent assembly processes, such as bulk material, transport, etc. and in the handling of the wound bobbin from the wire receiving slot slip back. If the clamping is too strong, the winding wire, for example, can not completely rest in the area of a wire support and break upwards.
  • the illustrated embodiment of a winding body 1 according to the invention for a magnet assembly of a solenoid valve comprises a base body 3, on which a winding wire 4 is wound, and two electrical connection domes 10, each having a first nip 12 having a first width B1, in which wound on the base body 3 winding wire 4 is inserted, the winding wire ends 4.1 each rest on a support surface 11.1 of a wire support 11, which is arranged in the direction of the corresponding winding wire end 4.1 behind the first nip 12.
  • a second clamping gap 11.3 is arranged with a minimum second width B2, which is smaller than the first width B1 of the first clamping gap 12 for receiving the corresponding winding wire end 4.1 behind the first clamping gap 12 in the region of the support surface 11.1 of the wire support 11.
  • the minimum second width B2 of the second clamping gap 11.3 is matched to a diameter of the winding wire 4 such that the corresponding winding wire end 4.1 is fixed in the second clamping gap 11.3.
  • the electrical connection domes 10 are designed for example as plastic injection molded parts.
  • 11 spaced apart wire clamping blocks 11.2 are arranged on the support surface 11.1 of the wire support 11, the distance from each other forms the second nip 11.3.
  • the two wire clamping blocks 11.2 are arranged such that the distance between the two wire clamping blocks 11.2 and thus the second clamping gap 11.3 tapers along its length L from an output width B1 to the minimum second width B2, the output width of the second clamping gap 11.3 of the first width B1 of the first clamping gap 12 corresponds.
  • the taper along the length L of the second clamping gap 11.3 corresponds to approximately 10 to 20%, preferably 15% of the output width B1 of the first clamping gap 12.
  • the distance between the two wire clamp blocks 11.2 and thus the second nip 11.3 tapers at least in the illustrated embodiment an initial area along its height H. That means everyone Wire clamping block 11.2 has a kind of "insertion bevel" for the winding wire 4 in order to facilitate the laying or insertion of the winding wire 4 into the second clamping gap 11.3.
  • the winding wire 4 is inserted into the first clamping gap 12 of a first electrical connection dome 10 and simultaneously placed on the arranged in the wire direction before the first nip 12 second nip 11.3 or so far inserted, as allowed by the width of the second clamping gap 11.3 and a diameter of the winding wire 4.
  • the winding wire 4 is cut by a Drahtabschtechnikmaschine 30 with a cutting edge 32.
  • the winding wire 4 is pressed by a force generated by the wire cutting tool 30 force F to rest on a support surface 11.1 of the wire support 11 in the second nip 11.3 and fixed there.
  • the winding wire 4 is cut off from the cutting edge 32 of the Drahtabschewerkmaschines 30 only when resting on the support surface 11. Subsequently, a vorgebare number of turns is wound onto the base body 3 of the winding body 1. During the winding process and after the winding process, the corresponding winding wire end 4.1 is held by the fixation in the second clamping gap 11.3, whereby a slipping back of the winding wire end 4.1 is prevented in the first nip 12.
  • the winding wire 4 is inserted into the first nip 12 of a second electrical connection dome 10 and simultaneously placed on a wire in the direction behind the first nip 12 arranged second nip 11.3 or inserted as far as it is the width of the second nip 11.3 and a Allow the diameter of the winding wire 4. Then, the winding wire 4 is cut off from the cutting edge 32 of the wire cutting tool 30. Also in this cutting process, the winding wire 4 is pressed by the force generated by the Drahtabschewerkmaschine 30 F to rest on the support surface 11.1 of the wire support 11 of the second electrical connection dome 10 in the second nip 11.3 and fixed there. Here, the winding wire 4 is cut off from the cutting edge 32 of the Drahtabschewerkmaschines 30 only when resting on the support surface 11.
  • the respective winding wire end 4.1 is fixed in the second clamping gap 11.3 and arranged in the first clamping gap 12, that unproblematic electrical contacting of the corresponding winding wire end 4.1 with an insulation displacement connector, not shown, is possible, which is inserted into a cutting terminal receiving 13 of the corresponding electrical connection dome 10 is to produce an insulation displacement connection with the respective winding wire end 4.1.
  • the clamping of the winding wire 4 in the second clamping gap 11.3 of the first electrical connection dome 10 must also absorb and hold the tensile forces during the winding process in addition to the clamping forces of the winding wire 4. This is facilitated by the inventive design of the second clamping gap 11.3.
  • the corresponding winding wire end 4.1 is less deformed in comparison with the conventional winding method in its cross-section, since the second clamping gap prevents 11.3 without forming process of the winding wire 4, a slipping back of the winding wire 4 in the first nip 12.
  • the inventive design of the second clamping gap prevents 11.3 by the fixation of the winding wire end 4.1 before the actual cutting that the remaining in the winding machine winding wire end is damaged during cutting or deformed. As a result, wire-free winding is ensured, which means that the remaining in the wire guide of the winding wire end is not kinked and can thus be used for the next winding process as winding wire start 4.1 of the next winding support 3.
  • Embodiments of the invention can be carried out so that winding wires 4 can be wound with different diameters according to the inventive method on the base body 3 of the winding body 1.
  • magnet assemblies which generate different magnetic forces can be produced with the same winding body 1.
  • the second nip 11.3 of the respective electrical connection dome 10 can for example be designed so that several different wire diameters including insulating varnish in the second nip 11.3 can be fixed.
  • Embodiments of the invention can advantageously prevent the winding wire ends from slipping back into the first clamping gaps of the electrical connection dome during the winding processes, during the cutting processes, during subsequent assembly processes and / or during the handling of the wound package.
  • the process reliability is advantageously increased, wherein the width of the first clamping gap for producing the insulation displacement connection in the electrical connection dome is no longer critical to safety.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnets (AREA)
  • Magnetically Actuated Valves (AREA)

Claims (7)

  1. Bobine pour un module magnétique d'une électrovanne comprenant un corps de base (3) sur lequel un fil de bobinage (4) est enroulé et deux dômes de raccordement (10) comportant respectivement un premier interstice de coincement (12) avec une première largeur (B1) dans lequel un fil de bobinage (4) enroulé sur le corps de base (3) est inséré, les extrémités de fil de bobinage (4.1) reposant respectivement sur une surface portante (11.1) d'un portant de fil (11) disposé en direction de l'extrémité de fil de bobinage (4.1) correspondante derrière le premier interstice de coincement (12), un deuxième interstice de coincement (11.3) avec une deuxième largeur (B2) minimale étant disposé derrière le premier interstice de coincement (12) dans la région de la surface portante (11.1) du portant de fil (11) en vue de loger l'extrémité de fil de bobinage (4.1) correspondante, ledit portant étant inférieur à la première largeur (B1) du premier interstice de coincement (12), la deuxième largeur (B2) minimale du deuxième interstice de coincement (11.3) étant adaptée de telle sorte sur un diamètre du fil de bobinage (4) que l'extrémité de fil de bobinage (4.1) correspondante est fixée dans le deuxième interstice de coincement (11.3) et le deuxième interstice de coincement (11.3) se rétrécissant de la deuxième largeur (B2) minimale le long de sa longueur (L), en partant d'une largeur de départ (B1).
  2. Bobine selon la revendication 1, caractérisée en ce que deux blocs de coincement de fil (11.2) espacés l'un par rapport à l'autre et dont la distance l'un par rapport à l'autre forme le deuxième interstice de coincement (11.3) sont disposés sur la surface portante (11.1) du portant de fil (11).
  3. Bobine selon la revendication 1, caractérisée en ce que le rétrécissement le long de la longueur (L) du deuxième interstice de coincement (11.3) correspond à approximativement 10 à 20 %, de préférence 15 %, de la largeur de départ (B1).
  4. Bobine selon la revendication 3, caractérisée en ce que la largeur de départ du deuxième interstice de coincement (11.3) correspond à la première largeur (B1) du premier interstice de coincement (12).
  5. Bobine selon l'une quelconque des revendications 2 à 4, caractérisée en ce que la distance entre les deux blocs de coincement de fil (11.2) et ainsi le deuxième interstice de coincement (11.3) se rétrécit au moins dans une zone de départ le long de sa hauteur (H).
  6. Module magnétique pour une électrovanne, caractérisé par la présence d'une bobine (3) selon l'une quelconque des revendications 1 à 5.
  7. Électrovanne pour un véhicule automobile équipé d'un module magnétique (1), caractérisée en ce que le module magnétique comporte une bobine (1) selon l'une quelconque des revendications 1 à 5.
EP10734107.5A 2009-09-09 2010-07-15 Bobine pour un module magnétique d'une électrovanne et procédé d'enroulement d'un fil de bobinage sur une bobine Active EP2476125B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009029298A DE102009029298A1 (de) 2009-09-09 2009-09-09 Wickelkörper für eine Magnetbaugruppe eines Magnetventils und Verfahren zum Wickeln eines Wickeldrahtes auf einen Wickelkörper
PCT/EP2010/060180 WO2011029644A1 (fr) 2009-09-09 2010-07-15 Corps d'enroulement pour un module magnétique d'une électrovanne et procédé d'enroulement d'un fil sur un corps d'enroulement

Publications (2)

Publication Number Publication Date
EP2476125A1 EP2476125A1 (fr) 2012-07-18
EP2476125B1 true EP2476125B1 (fr) 2015-02-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10734107.5A Active EP2476125B1 (fr) 2009-09-09 2010-07-15 Bobine pour un module magnétique d'une électrovanne et procédé d'enroulement d'un fil de bobinage sur une bobine

Country Status (6)

Country Link
US (1) US8746653B2 (fr)
EP (1) EP2476125B1 (fr)
KR (1) KR101720511B1 (fr)
CN (1) CN102483982B (fr)
DE (1) DE102009029298A1 (fr)
WO (1) WO2011029644A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6634235B2 (ja) * 2015-08-03 2020-01-22 日本航空電子工業株式会社 端子
JP6477410B2 (ja) * 2015-10-19 2019-03-06 株式会社デンソー 油圧制御用電磁弁
JP2017141885A (ja) * 2016-02-10 2017-08-17 日本電産トーソク株式会社 電磁弁のソレノイド
DE102016107818B4 (de) 2016-04-27 2018-01-25 Sma Solar Technology Ag Drosselanordnung mit einem Einsatz
KR102697696B1 (ko) * 2020-03-17 2024-08-22 에이치엘만도 주식회사 솔레노이드 코일 구조체 및 솔레노이드 코일 어셈블리
CN113078027B (zh) * 2021-02-21 2022-04-29 旺荣电子(深圳)有限公司 继电器线圈加工用绕线装置

Family Cites Families (11)

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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
US4672348A (en) * 1985-02-19 1987-06-09 Eaton Corporation Electrical coil assembly and terminal therefor
US5774036A (en) * 1995-06-30 1998-06-30 Siemens Electric Limited Bobbin-mounted solenoid coil and method of making
US6010362A (en) 1997-07-31 2000-01-04 The Whitaker Corporation Transformer board mount
US6219903B1 (en) * 1999-12-06 2001-04-24 Eaton Corporation Solenoid assembly with high-flux C-frame and method of making same
DE10014738A1 (de) * 2000-03-24 2001-10-11 Bosch Gmbh Robert Elektrische Spule, insbesondere für Magnetventile
EP1143597A1 (fr) * 2000-04-05 2001-10-10 ATS Wickel- und Montagetechnik AG Procédé d'enroulement et bobine
US6369682B1 (en) * 2000-09-27 2002-04-09 Delphi Technologies, Inc. Multifunctional coil assembly for an injector
DE102007039344A1 (de) 2007-08-21 2009-02-26 Robert Bosch Gmbh Verfahren und Anordnung zum Wickeln eines Wickeldrahtes auf einen Wickelkörper und zugehörige Magnetbaugruppe für ein Magnetventil
US7859380B2 (en) * 2008-02-07 2010-12-28 Tyco Electronics Corporation Bobbin assembly
US8025522B2 (en) * 2008-10-31 2011-09-27 Anthony Freakes Insulation displacement connector

Also Published As

Publication number Publication date
CN102483982B (zh) 2014-09-03
DE102009029298A1 (de) 2011-03-10
KR20120068860A (ko) 2012-06-27
WO2011029644A1 (fr) 2011-03-17
KR101720511B1 (ko) 2017-03-28
US8746653B2 (en) 2014-06-10
EP2476125A1 (fr) 2012-07-18
US20120228534A1 (en) 2012-09-13
CN102483982A (zh) 2012-05-30

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