EP1269490A1 - Electrical coil, in particular for solenoid valves - Google Patents

Electrical coil, in particular for solenoid valves

Info

Publication number
EP1269490A1
EP1269490A1 EP00993854A EP00993854A EP1269490A1 EP 1269490 A1 EP1269490 A1 EP 1269490A1 EP 00993854 A EP00993854 A EP 00993854A EP 00993854 A EP00993854 A EP 00993854A EP 1269490 A1 EP1269490 A1 EP 1269490A1
Authority
EP
European Patent Office
Prior art keywords
coil
slot
coil wire
holder
electrical
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
EP00993854A
Other languages
German (de)
French (fr)
Other versions
EP1269490B1 (en
Inventor
Jens Kolarsky
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
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1269490A1 publication Critical patent/EP1269490A1/en
Application granted granted Critical
Publication of EP1269490B1 publication Critical patent/EP1269490B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Definitions

  • the invention relates to an electrical coil according to the preamble of claim 1.
  • Such an electrical coil is already known (FR 2 517 105), in which the coil wire is placed on the holder, inserted into the shallow slot by the insulation displacement contact and contacted by removing the insulating wire sheath.
  • a disadvantage of this known embodiment is the lack of hold of the coil wire before the insulation displacement connection is produced. This can lead to incorrect contacts.
  • the inventive electrical coil with the features of claim 1 has the advantage that the coil wire can be fastened in the shallow slot by clamping before the insulation displacement connection is made. In this way, the coil wire start and after the completion of the electrical winding, the coil wire end can be fixed on the coil former. The beginning and end of the coil wire remain secured in this way until the insulation displacement connection is generated. Incorrect contacts are avoided.
  • a support for the coil wire is created in a simple manner by means of the step on the holder, on which this can be devalued.
  • FIG. 1 shows a longitudinal section of an electrical coil with coil wires clamped at the ends to holders of the coil body
  • FIG. 2 shows a view in the direction of arrow II in FIG. 1 on a holder with the coil wire beginning
  • FIG. 3 shows a view in the direction of arrow III in FIG a holder with the coil wire end
  • Figure 4 shows a section along the line IV-IV in Figure 1 by a holder with clamped coil wire before generating an insulation displacement connection, on a larger scale.
  • An electrical coil designated 10 for a solenoid valve (not shown) has a coil body 11 and an electrical winding 12 (FIG. 1).
  • Each of the two pegs 16 and 17 projecting from the flange 14 are provided with two intersecting slots 21 and 22 of different depths (FIGS. 2 to 4).
  • a slot 21 of shallow depth extends radially in an axis plane with respect to the longitudinal axis of the coil body.
  • the slot 21 extends through the respective holder 16 or 17 in full width.
  • a slot 22 of greater depth crosses the slot 21 at right angles parallel to the longitudinal axis of the coil body.
  • the slot 22 is adapted to the dimensions of a tongue-shaped insulation displacement contact 23 for contacting the coil wire 18 in the respective holder 16 or 17.
  • the slot 21 of shallow depth starts from the end of the respective holder 16 or 17 facing away from the flange with a wedge-shaped widening 24 (FIG. 4). This is followed by a section 25 of the slot 21, which has a greater width than that
  • the slot 21 merges in the area of its base into a section 26 with a width which is smaller than the diameter of the coil wire 18.
  • the section 26 ends at a web, which is designated as the anvil 27, which has the slot 22 crossing greater depth in the longitudinal direction.
  • the two brackets 16 and 17 are provided radially inward with an exposed step 28 which extends in the plane of the bottom formed by the slot 21 of shallow depth.
  • the beginning of the coil wire 18 is inserted into the slot 21 of shallow depth in the holder 16 and clamped in section 26 (FIG. 2). Then the winding 12 generated. The end of the coil wire 18 is then fastened in the slot 21 of the holder 17 in the same way as in the holder 16 (FIG. 3). The excess remaining length of the coil wire start and the coil wire end is cut off with a cutting tool, not shown, the step 28 of the two brackets 16 and 17 serving as a support for the coil wire 18. Thereafter, the tongue-shaped insulation displacement contacts 23 are inserted into the slots 22 of greater depth of the two brackets 16 and 17 for contacting the coil wire 18 ( Figure 4). Two legs 29 formed on the insulation displacement contact 23 shear the insulation of the coil wire 18 resting on the anvil 27 from ⁇ and contact the electrical conductor of the coil wire.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

The invention relates to an electrical coil (10), comprising a coil body (11), at least one front flange (14) on the coil body (11), at least one retainer (16), for coil wiring (18) on the front flange (14) and a linguiform insulated contact (23), for connecting the coil wiring (18) in the retainer (16). Two crossed slots (21, 22) are arranged in the retainer (16) with differing depths. The coil wiring (18) is laid on the base of the slot (21) with least depth, whilst the linguiform insulated contact (23) is arranged in the slot (22) of greater depth. As the slot (21) of least depth is narrower in the region of the base thereof than the diameter of the coil wiring (18), said wiring is fixed in the retainer (16). The electrical coil (10) is suitable for use in solenoid valves.

Description

Elektrische Spule, insbesondere für MagnetventileElectric coil, in particular for solenoid valves
Stand der TechnikState of the art
Die Erfindung geht aus von einer elektrischen Spule nach der Gattung des Patentanspruchs 1.The invention relates to an electrical coil according to the preamble of claim 1.
Es ist schon eine solche elektrische Spule bekannt (FR 2 517 105) , bei welcher der Spulendraht auf die Halterung aufgelegt, vom Schneidklemmkontakt in den Schlitz geringer Tiefe gefugt und durch Abtragen der isolierenden Drahtumhullung kontaktiert wird. Nachteilig ist bei dieser bekannten Ausfuhrungsform der fehlende Halt des Spulendrahtes vor dem Erzeugen der Schneidklemmverbindung. Dies kann zu Fehlkontaktierungen fuhren.Such an electrical coil is already known (FR 2 517 105), in which the coil wire is placed on the holder, inserted into the shallow slot by the insulation displacement contact and contacted by removing the insulating wire sheath. A disadvantage of this known embodiment is the lack of hold of the coil wire before the insulation displacement connection is produced. This can lead to incorrect contacts.
Vorteile der ErfindungAdvantages of the invention
Die erfindungsgemaße elektrische Spule mit den Merkmalen des Patentanspruchs 1 hat demgegenüber den Vorteil, daß der Spulendraht in dem Schlitz geringer Tiefe durch Klemmen befestigt werden kann, bevor die Schneidklemmverbindung hergestellt wird. Auf diese Weise können der Spulendrahtanfang und nach dem Fertigstellen der elektrischen Wicklung das Spulendrahtende am Spulenkorper festgelegt werden. Anfang und Ende des Spulendrahtes bleiben auf diese Weise bis zum Erzeugen der Schneidklemmverbindung in ihrer Lage gesichert. Fehlerhafte Kontaktierungen werden somit vermieden.The inventive electrical coil with the features of claim 1 has the advantage that the coil wire can be fastened in the shallow slot by clamping before the insulation displacement connection is made. In this way, the coil wire start and after the completion of the electrical winding, the coil wire end can be fixed on the coil former. The beginning and end of the coil wire remain secured in this way until the insulation displacement connection is generated. Incorrect contacts are avoided.
Durch die im Unteranspruch 2 aufgeführte Maßnahme wird auf einfache Weise mittels der Stufe an der Halterung ein Auflager für den Spulendraht geschaffen, auf welchem dieser abgeschwert werden kann.By means of the measure set out in subclaim 2, a support for the coil wire is created in a simple manner by means of the step on the holder, on which this can be devalued.
Zeichnungdrawing
Ein Ausfuhrungsbeispiel der Erfindung ist in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung naher erläutert. Es zeigen Figur 1 einen Längsschnitt einer elektrischen Spule mit endseitig an Halterungen des Spulenkorpers geklemmten Spulendrahten, Figur 2 eine Ansicht in Richtung des Pfeiles II in Figur 1 auf eine Halterung mit dem Spulendrahtanfang, Figur 3 eine Ansicht in Richtung des Pfeiles III in Figur 1 auf eine Halterung mit dem Spulendrahtende und Figur 4 einen Schnitt entlang der Linie IV-IV in Figur 1 durch eine Halterung mit geklemmtem Spulendraht vor Erzeugung einer Schneidklemmverbindung, in größerem Maßstab.An exemplary embodiment of the invention is shown in simplified form in the drawing and explained in more detail in the following description. FIG. 1 shows a longitudinal section of an electrical coil with coil wires clamped at the ends to holders of the coil body, FIG. 2 shows a view in the direction of arrow II in FIG. 1 on a holder with the coil wire beginning, FIG. 3 shows a view in the direction of arrow III in FIG a holder with the coil wire end and Figure 4 shows a section along the line IV-IV in Figure 1 by a holder with clamped coil wire before generating an insulation displacement connection, on a larger scale.
Beschreibung des AusfuhrungsbeispielsDescription of the exemplary embodiment
Eine mit 10 bezeichnete elektrische Spule für ein nicht dargestelltes Magnetventil weist einen Spulenkorper 11 sowie eine elektrische Wicklung 12 auf (Figur 1). Der als Spritzgußformteil aus Kunststoff gefertigte Spulenkorper 11 ist aus einer Hülse 13 sowie zwei stirnseitig mit dieser verbundenen Flanschen 14 und 15 aufgebaut. An den Flansch 14 sind auf der hulsenabgewandten Seite zwei bezuglich der Spulenkorper-Langsachse diametral angeordnete Halterungen 16 und 17 für Spulendraht 18 angeformt. Jede der beiden zapfenformig vom Flansch 14 aufragenden Halterungen 16 und 17 sind mit zwei sich kreuzenden Schlitzen 21 und 22 unterschiedlicher Tiefe versehen (Figuren 2 bis 4) . Ein Schlitz 21 geringer Tiefe erstreckt sich bezuglich der Spulenkorper-Langsachse radial verlaufend in einer Achsebene. Der Schlitz 21 durchgreift die jeweilige Halterung 16 beziehungsweise 17 in voller Breite. Ein Schlitz 22 größerer Tiefe kreuzt parallel zur Spulenkorper- Langsachse verlaufend den Schlitz 21 im rechten Winkel. Der Schlitz 22 ist den Abmessungen eines zungenformigen Schneidklemmkontakts 23 zur Kontaktierung des Spulendrahtes 18 in der jeweiligen Halterung 16 beziehungsweise 17 angepaßt.An electrical coil designated 10 for a solenoid valve (not shown) has a coil body 11 and an electrical winding 12 (FIG. 1). The coil body 11, which is made of plastic as an injection molded part, is constructed from a sleeve 13 and two flanges 14 and 15 connected to the end face thereof. On the flange 14, on the side facing away from the sleeve, two holders 16 and 17 for coil wire 18, which are arranged diametrically with respect to the longitudinal axis of the coil body, are formed. Each of the two pegs 16 and 17 projecting from the flange 14 are provided with two intersecting slots 21 and 22 of different depths (FIGS. 2 to 4). A slot 21 of shallow depth extends radially in an axis plane with respect to the longitudinal axis of the coil body. The slot 21 extends through the respective holder 16 or 17 in full width. A slot 22 of greater depth crosses the slot 21 at right angles parallel to the longitudinal axis of the coil body. The slot 22 is adapted to the dimensions of a tongue-shaped insulation displacement contact 23 for contacting the coil wire 18 in the respective holder 16 or 17.
Der Schlitz 21 geringer Tiefe geht von der flanschabgewandten Stirnseite der jeweiligen Halterung 16 beziehungsweise 17 mit einer keilförmigen Aufweitung 24 aus (Figur 4) . Daran schließt sich ein Abschnitt 25 des Schlitzes 21 an, welcher eine größere Breite als derThe slot 21 of shallow depth starts from the end of the respective holder 16 or 17 facing away from the flange with a wedge-shaped widening 24 (FIG. 4). This is followed by a section 25 of the slot 21, which has a greater width than that
Durchmesser des Spulendrahts 18 hat. Daran anschließend geht der Schlitz 21 im Bereich seines Grundes in einen Abschnitt 26 mit einer Breite über, welche kleiner ist als der Durchmesser des Spulendrahts 18. Am Grund des Schlitzes 21 endet der Abschnitt 26 an einem als Amboß 27 bezeichneten Steg, welcher den Schlitz 22 größerer Tiefe kreuzend in dessen Längsrichtung verlauft. Schließlich sind die beiden Halterungen 16 und 17 radial einwärts mit einer freiliegenden Stufe 28 versehen, welche in der Ebene des vom Schlitz 21 geringer Tiefe gebildeten Grundes verlauft.Has diameter of the coil wire 18. Subsequently, the slot 21 merges in the area of its base into a section 26 with a width which is smaller than the diameter of the coil wire 18. At the bottom of the slot 21, the section 26 ends at a web, which is designated as the anvil 27, which has the slot 22 crossing greater depth in the longitudinal direction. Finally, the two brackets 16 and 17 are provided radially inward with an exposed step 28 which extends in the plane of the bottom formed by the slot 21 of shallow depth.
Zum Fertigen der elektrischen Wicklung 12 der Spule 10 wird der Anfang des Spulendrahts 18 in den Schlitz 21 geringer Tiefe der Halterung 16 eingeführt und im Abschnitt 26 eingeklemmt (Figur 2) . Anschließend wird die Wicklung 12 erzeugt. Daraufhin wird das Ende des Spulendrahts 18 im Schlitz 21 der Halterung 17 auf gleiche Weise wie bei der Halterung 16 befestigt (Figur 3) . Die überschüssige Restlange des Spulendrahtanfangs und des Spulendrahtendes wird mit einem nicht dargestellten Schneidwerkzeug abgetrennt, wobei die Stufe 28 der beiden Halterungen 16 und 17 als Auflager für den Spulendraht 18 dient. Danach werden zur Kontaktierung des Spulendrahts 18 die zungenformigen Schneidklemmkontakte 23 in die Schlitze 22 größerer Tiefe der beiden Halterungen 16 und 17 eingeführt (Figur 4) . Zwei am Schneidklemmkontakt 23 ausgebildete Schenkel 29 scheren dabei die Isolation des auf dem Amboß 27 aufliegenden Spulendrahts 18 ab μnd kontaktieren den elektrischen Leiter des Spulendrahts. To manufacture the electrical winding 12 of the coil 10, the beginning of the coil wire 18 is inserted into the slot 21 of shallow depth in the holder 16 and clamped in section 26 (FIG. 2). Then the winding 12 generated. The end of the coil wire 18 is then fastened in the slot 21 of the holder 17 in the same way as in the holder 16 (FIG. 3). The excess remaining length of the coil wire start and the coil wire end is cut off with a cutting tool, not shown, the step 28 of the two brackets 16 and 17 serving as a support for the coil wire 18. Thereafter, the tongue-shaped insulation displacement contacts 23 are inserted into the slots 22 of greater depth of the two brackets 16 and 17 for contacting the coil wire 18 (Figure 4). Two legs 29 formed on the insulation displacement contact 23 shear the insulation of the coil wire 18 resting on the anvil 27 from μ and contact the electrical conductor of the coil wire.

Claims

Ansprüche Expectations
1. Elektrische Spule (10), insbesondere für Magnetventile, mit einem Spulenkorper (11) , wenigstens einem stirnseitigen Flansch (14) des Spulenkorpers (11), wenigstens einer Halterung (16) für Spulendraht (18) am stirnseitigen Flansch (14) sowie einem zungenformigen Schneidklemmkontakt (23) zur Kontaktierung des Spulendrahts (18) in der Halterung (16), welche zwei sich kreuzende Schlitze (21, 22) unterschiedlicher Tiefe aufweist, wobei am Grund des Schlitzes (21) geringer Tiefe der Spulendraht (18) einliegt, während in dem Schlitz (22) größerer Tiefe der zungenförmige Schneidklemmkontakt (23) aufgenommen ist, dadurch gekennzeichnet, daß der Schlitz (21) geringer Tiefe im Bereich seines Grundes eine Breite hat, welche kleiner als der Durchmesser des Spulendrahts (18) ist.1. Electrical coil (10), in particular for solenoid valves, with a coil body (11), at least one end flange (14) of the coil body (11), at least one holder (16) for coil wire (18) on the end flange (14) and a tongue-shaped insulation displacement contact (23) for contacting the coil wire (18) in the holder (16), which has two intersecting slots (21, 22) of different depths, the coil wire (18) lying at the bottom of the slot (21) of shallow depth , while the tongue-shaped insulation displacement contact (23) is received in the slot (22) of greater depth, characterized in that the slot (21) of shallow depth has a width in the region of its base which is smaller than the diameter of the coil wire (18).
2. Elektrische Spule nach Anspruch 1, dadurch gekennzeichnet, daß die Halterung (16) eine in der Ebene des Schlitzgrundes verlaufende freiliegende Stufe (28) hat, auf welcher der Spulendraht (18) beim Abscheren überschüssiger Restlange abgestutzt ist. 2. Electrical coil according to claim 1, characterized in that the holder (16) has an extending in the plane of the slot base exposed step (28) on which the coil wire (18) is sheared when excess excess length is sheared.
EP00993854A 2000-03-24 2000-12-06 Electrical coil, in particular for solenoid valves Expired - Lifetime EP1269490B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10014738 2000-03-24
DE10014738A DE10014738A1 (en) 2000-03-24 2000-03-24 Electrical coil, especially for solenoid valve, has holder with different depth crossing slots; wire is placed in shallower slot narrower at bottom than wire diameter
PCT/DE2000/004343 WO2001073799A1 (en) 2000-03-24 2000-12-06 Electrical coil, in particular for solenoid valves

Publications (2)

Publication Number Publication Date
EP1269490A1 true EP1269490A1 (en) 2003-01-02
EP1269490B1 EP1269490B1 (en) 2006-05-03

Family

ID=7636247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00993854A Expired - Lifetime EP1269490B1 (en) 2000-03-24 2000-12-06 Electrical coil, in particular for solenoid valves

Country Status (7)

Country Link
US (1) US6847281B2 (en)
EP (1) EP1269490B1 (en)
JP (1) JP4800546B2 (en)
KR (1) KR100756593B1 (en)
DE (2) DE10014738A1 (en)
TW (1) TW504718B (en)
WO (1) WO2001073799A1 (en)

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JP2008004906A (en) * 2006-06-20 2008-01-10 Taiyo Yuden Co Ltd Radial-lead type inductor
DE102007039344A1 (en) * 2007-08-21 2009-02-26 Robert Bosch Gmbh Method and arrangement for winding a winding wire onto a winding body and associated magnet assembly for a solenoid valve
DE102009029298A1 (en) * 2009-09-09 2011-03-10 Robert Bosch Gmbh Winding body for a magnetic assembly of a solenoid valve and method for winding a winding wire on a winding body
DE102012106863A1 (en) * 2012-07-27 2014-01-30 Svm Schultz Verwaltungs-Gmbh & Co. Kg Kitchen sink
DE102016107818B4 (en) 2016-04-27 2018-01-25 Sma Solar Technology Ag Throttling arrangement with an insert
JP6917156B2 (en) * 2017-02-17 2021-08-11 日立Ａｓｔｅｍｏ上田株式会社 Coil assembly and brake control
DE202020001160U1 (en) 2020-03-16 2020-04-16 Michael Dienst Electrical coil former for lifting machines
WO2022258636A1 (en) * 2021-06-09 2022-12-15 Valeo Systemes De Controle Moteur Assembly with a bobbin and a coil for an electromagnetic actuator
DE102022116095A1 (en) 2022-06-28 2023-12-28 Sysko AG Systeme & Komponenten Driver coil device

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Also Published As

Publication number Publication date
EP1269490B1 (en) 2006-05-03
KR100756593B1 (en) 2007-09-10
KR20030007474A (en) 2003-01-23
WO2001073799A1 (en) 2001-10-04
DE50012705D1 (en) 2006-06-08
JP2003529214A (en) 2003-09-30
US6847281B2 (en) 2005-01-25
TW504718B (en) 2002-10-01
US20030151481A1 (en) 2003-08-14
DE10014738A1 (en) 2001-10-11
JP4800546B2 (en) 2011-10-26

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