EP0811995A1 - Enroulement magnétique et procédé de sa fabrication - Google Patents
Enroulement magnétique et procédé de sa fabrication Download PDFInfo
- Publication number
- EP0811995A1 EP0811995A1 EP97106396A EP97106396A EP0811995A1 EP 0811995 A1 EP0811995 A1 EP 0811995A1 EP 97106396 A EP97106396 A EP 97106396A EP 97106396 A EP97106396 A EP 97106396A EP 0811995 A1 EP0811995 A1 EP 0811995A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- contact pins
- coil wire
- wound
- magnetic
- 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
Links
- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title description 8
- 210000002105 tongue Anatomy 0.000 claims description 40
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 239000004922 lacquer Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
-
- 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
- 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
- H01F41/10—Connecting leads to windings
-
- 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
-
- 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
-
- 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
-
- 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
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Definitions
- the invention relates to a magnetic coil and a method for its production.
- the electrical connection between the contact pins and the coil wire which is usually insulated with lacquer, is produced by suitable mechanical or electrical energy application.
- the contact pin and the coil wire are excited by coupling vibrations in the ultrasound range, contacting being produced by the friction between the coil wire held under pretension and individual regions of the contact pins that come into contact with the wound coil wire.
- the connecting tongues are usually welded to the contact pins.
- the resulting relatively rigid connection leads to a relatively high failure rate in the mass production of such magnetic coils by tearing off the usually very thin coil wire, which may be only 0.04 mm thick. This demolition is caused by the inevitable Relative movements of the connecting tongues to the coil body when inserting and processing in the plastic coating form.
- the invention is therefore based on the object of improving the magnet coil and the method for its production with a view to a lower failure rate and thereby simplifying the production.
- connection between the connecting tongue and the contact pin not only permits a relative displacement in the longitudinal direction of the contact pin, but also additionally transversely to this direction. This provides an additional degree of freedom, which ensures an even more flexible connection between the connecting tongue and the contact pin or coil body.
- the coil wire which is usually coated with an insulating lacquer layer, is contacted with the contact pins by dip soldering.
- the area of the contact pins, which is wrapped with the coil wire is immersed in a solder bath, the temperature of which is so high that the insulating lacquer dissolves and an electrical connection between the contact pin and the coil wire results from the solder.
- the magnetic coil shown in FIG. 1 essentially consists of a coil body 1 with a wound coil wire 2, a magnetic core 3 and an armature 4.
- two contact pins 5, 6 are provided, around each of which one end of the coil wire 2 is wound. These contact pins 5, 6 are inserted at one end into the coil body 1 and are each coupled at their other end to a connecting tongue 7, 8.
- the two connecting tongues 7, 8 are arranged on a tongue carrier 9 which is held on a magnet yoke 10 of the magnet coil.
- the connecting tongues 7, 8 have clamping means for coupling to the contact pins 5, 6, which on the one hand ensure an electrical connection and on the other hand a displaceability of the connecting tongues relative to the contact pins in the longitudinal direction thereof.
- these clamping means also allow the connecting tongues to be displaced relative to the contact pins transversely to the longitudinal direction of the contact pins.
- these clamping means are designed as slots 11, 12 in the connecting tongues 7, 8, the contact pins 5, 6 being held between the flanks 11a, 11b and 12a, 12b delimiting the slot 11, 12.
- the two flanks 11a, 11b and 12a, 12b are slightly bent, the resulting slot width being slightly smaller than the width of the contact pins, which are preferably square in cross section.
- the two flanks of a slot have a resilient effect, so that a secure electrical connection is ensured when plugged onto a contact pin. Even after plugging in, the connecting tongues can be moved in the longitudinal direction of the contact pins (double arrow 13).
- this type of coupling also enables a relative mobility transversely to the longitudinal direction of the contact pins, as is indicated by the double arrow 14.
- the contact pins are displaced in the direction of the slots 11, 12.
- connection carrier 9 shown in FIG. 5, this connection carrier 9 having two snap hooks 15, 16 which can be coupled to the magnetic yoke 10. At the same time, an electrical contact is made between a grounding tongue 17 and the magnetic yoke 10. While the individual connecting tongues consist of electrically conductive material, in particular metal, the connection carrier 9 is made of non-conductive material, preferably plastic.
- FIG. 6 shows a second exemplary embodiment according to the invention, which differs from the previously described variant only in that the connecting tongues 7, 8 are not arranged on a connecting carrier.
- the two ends of the coil wire 2 are automatically wound onto one of the two contact pins 5, 6.
- the contact pins are then pressed deeper into the coil body 1 in order to relieve the wound coil wire.
- the connecting tongues 7, 8 are plugged onto the contact pins 5, 6.
- the connecting tongues are held on the connecting carrier, so that the push-on operation for both connecting tongues takes place simultaneously.
- the holder of the connection carrier is ensured via the snap hooks 15, 16.
- the magnetic coil is encased in a suitable form with plastic.
- the type of connection of coil wire 2 and contact pins 5, 6, on the one hand, and the clamping means of the connecting tongues represent means which considerably simplify the manufacturing process itself. A welding process can thus be dispensed with, in particular when contacting the connecting tongues.
- the magnetic coils according to the invention can be produced not only with less effort but also with a lower reject rate.
- Solenoid coils of this type are used, for example, in connection with solenoid valve coils with which valves of fluid lines can be controlled.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnets (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19622634 | 1996-06-05 | ||
DE19622634A DE19622634A1 (de) | 1996-06-05 | 1996-06-05 | Magnetspule sowie Verfahren zu deren Herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0811995A1 true EP0811995A1 (fr) | 1997-12-10 |
EP0811995B1 EP0811995B1 (fr) | 2000-07-19 |
Family
ID=7796261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97106396A Expired - Lifetime EP0811995B1 (fr) | 1996-06-05 | 1997-04-17 | Enroulement magnétique et procédé de sa fabrication |
Country Status (3)
Country | Link |
---|---|
US (1) | US6233814B1 (fr) |
EP (1) | EP0811995B1 (fr) |
DE (2) | DE19622634A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001091140A1 (fr) * | 2000-05-25 | 2001-11-29 | Mannesmann Rexroth Ag | Ensemble bobine d'excitation |
WO2001097236A1 (fr) * | 2000-06-14 | 2001-12-20 | Robert Bosch Gmbh | Bobine magnetique en deux parties et son procede de production |
EP1699059A2 (fr) * | 2005-03-03 | 2006-09-06 | Nass Magnet GmbH | Solenoide |
WO2012041886A1 (fr) * | 2010-09-29 | 2012-04-05 | Siemens Aktiengesellschaft | Système et procédé pour la mise en contact électrique de conducteurs électriques dans des bobines |
WO2018114595A1 (fr) * | 2016-12-21 | 2018-06-28 | Robert Bosch Gmbh | Dispositif de soupape |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6948676B1 (en) | 2004-07-06 | 2005-09-27 | Tremblay John K | Method of winding electrical and electronic components |
DE102007061532A1 (de) | 2007-12-20 | 2009-07-02 | Rausch & Pausch Gmbh | Überprüfen von gelöteten Kontaktanschlüssen einer lackdrahtgewickelten Spule |
TW201019352A (en) * | 2008-11-11 | 2010-05-16 | Delta Electronics Inc | Conductive winding and manufacturing method thereof |
CN105761876B (zh) * | 2016-03-30 | 2017-08-01 | 北京航天发射技术研究所 | 一种推拉电磁铁及其制备方法 |
GB201704683D0 (en) * | 2017-03-24 | 2017-05-10 | Siemens Healthcare Ltd | Electromagnetic assembley |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3665373A (en) * | 1970-02-24 | 1972-05-23 | Dynamics Corp America | Push-in connector switch |
DE3534111A1 (de) * | 1985-09-25 | 1987-04-02 | Anton Schneider | Tauchloetvorrichtung |
US5508671A (en) * | 1994-08-09 | 1996-04-16 | Qgura Clutch Co., Ltd. | Electromagnetic coupling device |
WO1996012905A1 (fr) * | 1994-10-21 | 1996-05-02 | Automatic Switch Company | Electrovanne moulee et son procede de fabrication |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3199178A (en) * | 1959-08-17 | 1965-08-10 | Coilcraft Inc | Method of securing electrical component leads to a support |
US3138771A (en) * | 1961-12-12 | 1964-06-23 | Nytronics Inc | Meltable plastic spacer for securing coil to tubular support and housing, and methodof assembly |
GB1018738A (en) * | 1964-01-06 | 1966-02-02 | Ass Eng Ltd | Inductive probe |
US3251015A (en) * | 1964-05-20 | 1966-05-10 | Gen Electric | Miniature magnetic core and component assemblies |
US3691656A (en) * | 1966-03-30 | 1972-09-19 | Mitsuaka Mochizuki | Method of making a joint |
DE1790110C3 (de) * | 1968-09-12 | 1975-06-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Halterung von Anschlu Bläschen für Steckanschlüsse an Kunststoffteilen elektrischer Geräte |
US3824518A (en) * | 1973-03-05 | 1974-07-16 | Piconics Inc | Miniaturized inductive component |
US3936931A (en) * | 1974-06-05 | 1976-02-10 | Barber-Colman Company | Method employing a lead holder to retain a lead connection on an electrical coil |
US4354310A (en) * | 1979-03-22 | 1982-10-19 | Hatton Richard L | Method of making inductance |
DE3036017A1 (de) * | 1980-09-24 | 1982-05-06 | Siemens AG, 1000 Berlin und 8000 München | Elektrische spulen und verfahren zu deren herstellung |
JPS61150313A (ja) * | 1984-12-25 | 1986-07-09 | Matsushita Electric Ind Co Ltd | ラジアルリ−ド型チヨ−クコイルの製造方法 |
NL8502776A (nl) * | 1985-10-11 | 1987-05-04 | Philips Nv | Werkwijze voor het vervaardigen van een transformator met coaxiale spoelen. |
DE3546400C2 (de) * | 1985-12-31 | 1995-11-23 | Staiger Steuerungstech | Magnetkopf |
JP2599435B2 (ja) * | 1988-07-11 | 1997-04-09 | 古河電気工業株式会社 | 集合線コイルの製造方法 |
DD293920A5 (de) * | 1990-04-24 | 1991-09-12 | Veb Robotron-Elektronik Dresden,De | Einrichtung zum tauchloeten von wickelkoerpern |
US5199160A (en) * | 1991-01-09 | 1993-04-06 | Furnas Electric Company | Method of terminating electrical windings |
DE4313608A1 (de) * | 1993-04-26 | 1994-10-27 | Siemens Ag | Verfahren und Vorrichtung zum Kontaktieren von Wickelgütern an Anschlußelementen |
DE4336000A1 (de) * | 1993-10-21 | 1995-04-27 | Siemens Ag | Verfahren und Vorrichtung zum Kontaktieren des Wicklungsdrahtes einer Spule mit einem Anschlußstift |
-
1996
- 1996-06-05 DE DE19622634A patent/DE19622634A1/de not_active Withdrawn
-
1997
- 1997-04-17 DE DE59702045T patent/DE59702045D1/de not_active Expired - Lifetime
- 1997-04-17 EP EP97106396A patent/EP0811995B1/fr not_active Expired - Lifetime
-
1999
- 1999-04-22 US US09/298,023 patent/US6233814B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3665373A (en) * | 1970-02-24 | 1972-05-23 | Dynamics Corp America | Push-in connector switch |
DE3534111A1 (de) * | 1985-09-25 | 1987-04-02 | Anton Schneider | Tauchloetvorrichtung |
US5508671A (en) * | 1994-08-09 | 1996-04-16 | Qgura Clutch Co., Ltd. | Electromagnetic coupling device |
WO1996012905A1 (fr) * | 1994-10-21 | 1996-05-02 | Automatic Switch Company | Electrovanne moulee et son procede de fabrication |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001091140A1 (fr) * | 2000-05-25 | 2001-11-29 | Mannesmann Rexroth Ag | Ensemble bobine d'excitation |
US6784778B2 (en) | 2000-05-25 | 2004-08-31 | Bosch Rexroth Ag | Magnet coil arrangement |
WO2001097236A1 (fr) * | 2000-06-14 | 2001-12-20 | Robert Bosch Gmbh | Bobine magnetique en deux parties et son procede de production |
US6927659B2 (en) | 2000-06-14 | 2005-08-09 | Robert Bosch Gmbh | Two-part solenoid and method for the production thereof |
US7132920B2 (en) | 2000-06-14 | 2006-11-07 | Robert Bosch Gmbh | Two-part solenoid and method for the manufacture thereof |
EP1699059A2 (fr) * | 2005-03-03 | 2006-09-06 | Nass Magnet GmbH | Solenoide |
EP1699059A3 (fr) * | 2005-03-03 | 2007-12-26 | Nass Magnet GmbH | Solenoide |
WO2012041886A1 (fr) * | 2010-09-29 | 2012-04-05 | Siemens Aktiengesellschaft | Système et procédé pour la mise en contact électrique de conducteurs électriques dans des bobines |
WO2018114595A1 (fr) * | 2016-12-21 | 2018-06-28 | Robert Bosch Gmbh | Dispositif de soupape |
Also Published As
Publication number | Publication date |
---|---|
DE19622634A1 (de) | 1997-12-11 |
DE59702045D1 (de) | 2000-08-24 |
US6233814B1 (en) | 2001-05-22 |
EP0811995B1 (fr) | 2000-07-19 |
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