EP1569248A2 - Magnetspule - Google Patents
Magnetspule Download PDFInfo
- Publication number
- EP1569248A2 EP1569248A2 EP04027139A EP04027139A EP1569248A2 EP 1569248 A2 EP1569248 A2 EP 1569248A2 EP 04027139 A EP04027139 A EP 04027139A EP 04027139 A EP04027139 A EP 04027139A EP 1569248 A2 EP1569248 A2 EP 1569248A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ribs
- magnetic coil
- sheath
- coil according
- height
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/128—Encapsulating, encasing or sealing
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
Definitions
- the invention relates to a magnetic coil with an outer sheath Plastic.
- Solenoid coils for potentially explosive atmospheres must be subjected to a shock test in accordance with meet the standards EN 50 014 and EN 50 028. This exam will be a vertical impact with a hemispherical test specimen on the impact hazard Areas executed.
- the invention is therefore based on the object, the magnetic coil with an outer Plastic sheath to improve that to ensure a sufficient impact resistance material and costs can be saved.
- the coil according to the invention is characterized in that the outer Plastic sheath on the outside a variety of ribs as Protection against shocks has.
- the ribs can by deformation the energy like Take a crumple zone, so that the sheath itself stronger before Shock energy is protected.
- the arrangement and configuration of the ribs is carried out so that in the Standards defined specimens the ribs, but not the actual Sheathing surface, can meet.
- sheath and ribs are made Plastic injection molding material produced.
- the ribs are expediently arranged parallel to each other and form webs whose width is smaller than their height is.
- a magnetic coil 1 and an electrical connection housing 2 is shown, which are firmly connected.
- the coil 1 shown in more detail in Fig. 2 consists essentially of a yoke 10, a bobbin 11 and a coil winding 12. Furthermore, the components an anchor system 3, which in detail a magnetic core 30, a Anchor 31, an anchor guide 32 and a fastening nut 33 includes.
- the magnetic coil further comprises an outer casing 4 made of plastic, the is usually produced by injection molding.
- On the outside of the Sheath 4 is further a plurality of ribs 40 as protection against shocks intended.
- the ribs are formed in the illustrated embodiment by webs whose Width b is smaller than the height h.
- the ratio of the distance a to the height h of the Ribs are preferably in the range of 1 to 2.
- the ribs 40 are usefully made of the same material as the Sheath 4, wherein the sheath and the ribs at the same time Injection molding can be produced.
- the ribs 40 are only on the Side surfaces of the magnetic coil 1 is provided, since the shock by definition only from can come up and from the side.
- the upper area where the here Fixing nut 33 is provided, is dimensioned so that the strigoviper no Damage to the sheath 4 can cause. Accordingly, here are no ribs provided. In the context of the invention, however, this can also Have area ribs, if necessary or useful.
- connection housing 2 produced separately from the coil 1 is connected to the coil 1, for example, firmly connected by gluing, screwing or potting.
- the Terminal housing 2 also has ribs 20 on its outer peripheral surface on, which correspond to the ribs 40 of the magnetic coil 1 in their embodiment.
- the ribs 40 and 20 protect by the solenoid coil 1 and terminal housing. 2 formed component sufficiently from shocks, with respect to conventional designs saves material and costs for the sheathing can be.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
- Fig. 1
- eine dreidimensionale Darstellung einer erfindungsgemäßen Magnetspule mit einem elektrischen Anschlussgehäuse und
- Fig. 2
- eine teilweise geschnittene Seitenansicht der Magnetspule mit Anschlussgehäuse gemäß Fig. 1.
Claims (9)
- Magnetspule (1) mit einer äußeren Ummantelung (4) aus Kunststoff, dadurch gekennzeichnet, dass die Ummantelung auf der Außenseite eine Vielzahl von Rippen (40) als Schutz vor Stößen aufweist.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Rippen (40) parallel zueinander angeordnet sind.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Rippen (40) durch Stege gebildet werden, deren Breite (b) kleiner als deren Höhe (h) ist.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass das Verhältnis des Abstandes (a) zur Höhe (h) der Rippen (40) im Bereich von 1 bis 2 liegt.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Ummantelung (4) und die Rippen (40) aus dem gleichen Material gefertigt sind.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Ummantelung (4) und die Rippen (40) aus Kunststoffspritzgussmaterial hergestellt sind.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Rippen (4) auf Seitenflächen der Magnetspule (1) vorgesehen sind.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Magnetspule (1) mit einem elektrischen Anschlussgehäuse (2) versehen ist, der ebenfalls Rippen (20) aufweist.
- Magnetspule nach Anspruch 1, dadurch gekennzeichnet, dass die Magnetspule (1) mit einem elektrischen Anschlussgehäuse (2) versehen ist, wobei Magnetspule und Anschlussgehäuse durch Vergießen, Verschrauben oder Verkleben fest miteinander verbunden sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004009690A DE102004009690A1 (de) | 2004-02-27 | 2004-02-27 | Magnetspule |
DE102004009690 | 2004-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1569248A2 true EP1569248A2 (de) | 2005-08-31 |
EP1569248A3 EP1569248A3 (de) | 2007-05-30 |
Family
ID=34745305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04027139A Withdrawn EP1569248A3 (de) | 2004-02-27 | 2004-11-15 | Magnetspule |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050190033A1 (de) |
EP (1) | EP1569248A3 (de) |
JP (1) | JP2005245193A (de) |
DE (1) | DE102004009690A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006038359A1 (de) * | 2006-08-09 | 2008-02-21 | Danfoss GmbH Geschäftsbereich Industrieautomatik | Magnetspule |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818398A (en) * | 1971-11-30 | 1974-06-18 | Sporlan Valve Co | Electromagnet coil assembly |
GB2124034A (en) * | 1982-06-28 | 1984-02-08 | Imp Clevite Inc | Solenoid valve |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2030648A (en) * | 1931-06-25 | 1936-02-11 | Gen Electric | Magnet system |
GB874211A (en) * | 1957-01-14 | 1961-08-02 | Philips Electrical Ind Ltd | Improvements in or relating to waterproof apparatus casings made from moulding material reinforced by glass fibres |
DE1906619U (de) * | 1964-09-19 | 1964-12-17 | Magnetschultz G M B H Spezialf | Elektromagnet. |
CA906072A (en) * | 1968-04-11 | 1972-07-25 | B. Trench Anthony | A.c. magnetically streamlined heat sink |
DE8024859U1 (de) * | 1980-09-17 | 1980-12-18 | Auergesellschaft Gmbh, 1000 Berlin | Diffusionsmesskopf |
JPS6062101A (ja) * | 1983-09-14 | 1985-04-10 | Hitachi Cable Ltd | コイル放熱構造 |
DE9003343U1 (de) * | 1990-03-21 | 1990-05-23 | Herion-Werke Kg, 7012 Fellbach, De | |
US5779045A (en) * | 1997-04-18 | 1998-07-14 | Yu; Jack | Ceiling fan package |
DE19843673C2 (de) * | 1998-09-23 | 2001-05-17 | Imi Norgren Herion Fluidtronic Gmbh & Co Kg | Vergußgekapselte Vorrichtung |
US6257734B1 (en) * | 1999-01-19 | 2001-07-10 | Joseph Tchira | Flashlight with luminescent housing having a tritium capsule |
US6175168B1 (en) * | 1999-04-19 | 2001-01-16 | Pontiac Coil, Inc. | Overmolded stator for fuel metering solenoid and method of manufacturing same |
-
2004
- 2004-02-27 DE DE102004009690A patent/DE102004009690A1/de not_active Withdrawn
- 2004-11-15 EP EP04027139A patent/EP1569248A3/de not_active Withdrawn
- 2004-11-24 US US10/997,549 patent/US20050190033A1/en not_active Abandoned
-
2005
- 2005-01-28 JP JP2005021143A patent/JP2005245193A/ja not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818398A (en) * | 1971-11-30 | 1974-06-18 | Sporlan Valve Co | Electromagnet coil assembly |
GB2124034A (en) * | 1982-06-28 | 1984-02-08 | Imp Clevite Inc | Solenoid valve |
Also Published As
Publication number | Publication date |
---|---|
DE102004009690A1 (de) | 2005-09-08 |
EP1569248A3 (de) | 2007-05-30 |
US20050190033A1 (en) | 2005-09-01 |
JP2005245193A (ja) | 2005-09-08 |
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Legal Events
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17P | Request for examination filed |
Effective date: 20070621 |
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AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR |
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17Q | First examination report despatched |
Effective date: 20090408 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20090819 |