Magnet valve coil unit for a magnet valve and method of manufacturing a magnet valve coil unit

A magnet valve coil unit includes a magnet coil (104) and a circuit board (106) connected thereto, encased by a molding material (118). An LED (108) on the circuit board (106) signals a switching status of the magnet coil (104). The LED (108) is surrounded by the molding material (118) at least in p...

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Bibliographische Detailangaben
Hauptverfasser:	OTTMAR MUELLER, SEBASTIAN KAHL, DANIEL BIERUT, CHRISTIAN BEZOLD, MARTIN HETTINGER, CHRISTIAN WEBER
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRIC ELEMENTS BLASTING COCKS DEVICES FOR VENTING OR AERATING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ENGINEERING ELEMENTS AND UNITS FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SEMICONDUCTOR DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSFORMERS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A magnet valve coil unit includes a magnet coil (104) and a circuit board (106) connected thereto, encased by a molding material (118). An LED (108) on the circuit board (106) signals a switching status of the magnet coil (104). The LED (108) is surrounded by the molding material (118) at least in part. A light guide element (122) is arranged in contact with the LED (108) such that it directs light radiated from the LED (108) to an external surface of the magnet valve coil unit (100). The magnet valve coil unit (200) is manufactured by applying a deformable, transparent mass on the LED (108) of a pre-assembled component containing the magnet coil (104) and the circuit board (106) on which the LED (108) is arranged, and placing the pre-assembled component in a tool mold. The light guide element (122) is arranged to be in contact with the transparent mass (124), and the pre-assembled component is encased with a molding material (118).