EP0989567B1 - Vergussgekapselte Vorrichtung - Google Patents
Vergussgekapselte Vorrichtung Download PDFInfo
- Publication number
- EP0989567B1 EP0989567B1 EP99116313A EP99116313A EP0989567B1 EP 0989567 B1 EP0989567 B1 EP 0989567B1 EP 99116313 A EP99116313 A EP 99116313A EP 99116313 A EP99116313 A EP 99116313A EP 0989567 B1 EP0989567 B1 EP 0989567B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact elements
- compound
- casing
- cavity
- coil
- 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.)
- Expired - Lifetime
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
Definitions
- the invention relates to a potted encapsulated device, especially a potted, explosion-proof electromagnet with a preferably in a housing in a Potting compound embedded coil and with an iron circle, the one also embedded in the sealing compound, contact elements arranged inside the housing with external ones Lines are connectable.
- Encapsulated devices have long been known and go for example from DE-G 90 03 343.4 and CH-A-627 584 discloses a potted encapsulated device describes according to the preamble of claim 1.
- the sealing compound As for encapsulated, explosion-proof electromagnets it is required that the sealing compound the electrical insulation guaranteed so that no explosive gas mixture can lead to ignition sources, and that the sealing compound also withstands mechanical loads and chemical influences away from the equipment, it is necessary also the contact elements for connecting external lines in to embed the sealing compound. Furthermore must be provided be that the contact elements inside the housing in a cavity separated from the environment is arranged, so that this also ensures that no explosive Gas mixture can get to the contact elements.
- the object of the invention is therefore a potted To further develop a device of the generic type that with simple manufacture and simple construction easy approach and contact of the external lines to the contact elements is possible.
- the contact elements protrude beyond the housing sealing compound on the face and the arrangement of a connected to the cavity and by the contact elements and the cover element leading cable duct in the Potting compound have the particularly great advantage that with a compact construction of the device, easy to bring up of the external lines to the contact elements and a optimal use of tools such as screwdrivers or the like is possible.
- the cavity in which the contact elements must be arranged to be non-explosive a the front of the housing in the area of the contact elements final, preferably curved cover element is formed will that after contacting the contact elements the housing is attachable.
- the protruding contact elements in connection with this cover element allow a easy installation of external lines and an explosion-proof Arrangement of the contact elements in the by the Lid element formed cavity.
- the lid element in addition to a domed, also a cup-shaped or other shape forming a cavity can. Another advantage is that due to the level Contact surface of the lid uses a flat sealing element can be.
- the contact elements there are also circuits in many cases or electrical components together with the contact elements, the coil and the iron circle in the potting compound have to be embedded, for example fuses, and there is an encapsulation of these electrical components with a thermoplastic compound under high pressure and therefore not damage to the components can be excluded is at a very advantageous Embodiment provided that the contact elements and further electrical components in a cup-shaped, in which Housing attachable component arranged and with a thermosetting Molding compound are cast. In this way especially the very sensitive fuses not damaged.
- thermosetting molding compound The coil, the iron circle and this cup-shaped, with the thermosetting molding compound is cast with a component encapsulated thermoplastic molding compound.
- An encapsulated device in the form of an electromagnet shown in Fig. 1 to 3, comprises a plastic or metal existing housing 10 in which an in Fig. 3 shown iron circle 60 and a coil 70 arranged which are connected via contact elements 20 to (not shown) electrical lines are connectable.
- the contact elements are 20 in a potting compound arranged in the housing 10 12 embedded and stand on the front over that Housing 10 flush sealing compound 12 over. On this way can be brought up to the contact elements 20 external lines easily with the contact elements 20 connected in an electrically conductive manner by screw-clamp connections 22 become.
- a cable channel 11 is provided in the potting compound 12, essentially of the contact elements 20 runs away to the upper case front.
- Cable duct 11 becomes a very compact construction of the electromagnet reached because the cable is essentially parallel to Direction of action of the electromagnet led away upwards can be.
- a housing cover 40 can be attached, the explosion-proof Forms cavity in which the contact elements 20 are arranged.
- the coil 70, the iron circle 60, the contact elements 20 and if necessary, further components are in a sealing compound embedded.
- a thermoplastic is preferred Molding compound for the encapsulation of the iron circle 60 and the coil 70 used under high pressure.
- the contact elements 20 and these components first in a pot-shaped, arranged in the housing 10 attachable component 30 and cast with a thermosetting molding compound 31. To this This ensures that these components by the Embedding in the molding compound should not be destroyed.
- the cup-shaped component 30 is then connected to the iron circle 60 and the coil 70 (see FIG. 3) and only then with molded around the thermoplastic molding compound.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Description
- Fig. 1
- eine perspektivische Darstellung eines erfindungsgemäßen explosionsgeschützten Elektromagneten für Ventile;
- Fig. 2
- eine perspektivische Darstellung des in Fig. 1 dargestellten Elektromagneten mit abgenommenem Deckel und
- Fig. 3
- eine Schnittansicht des in Fig. 1 und 2 dargestellten Elektromagneten.
Claims (3)
- Vergußgekapselte Vorrichtung, insbesondere vergossener, explosionsgeschützter Elektromagnet, mit einer vorzugsweise in einem Gehäuse (10) in eine Vergußmasse (12) eingebetteten Spule (70) und mit einem Eisenkreis (60), die über ebenfalls in die Vergußmasse (12) eingebettete und im Inneren des Gehäuses angeordnete Kontaktelemente (20) mit externen Leitungen verbindbar sind, dadurch gekennzeichnet, daß die Kontaktelemente (20) über die das Gehäuse stirnseitig abschließende Vergußmasse (12) überstehend in einem Hohlraum angeordnet sind, der durch ein an dem Gehäuse im Bereich der Kontaktelemente (20) befestigbares, vorzugsweise gewölbtes Deckelelement gebildet wird, und daß in der Vergußmasse ein mit dem Hohlraum verbundener und von den Kontaktelementen (20) und dem Deckelelement wegführender Kabelkanal vorgesehen ist.
- Vergußgekapselte Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kontaktelemente (20) und weitere elektrische Bauteile in einem topfförmigen, in dem Gehäuse (10) befestigbaren Bauteil (30) angeordnet und mit einer duroplastischen Formmasse vergossen sind.
- Vergußgekapselte Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Spule (70), der Eisenkreis (60) und das topfförmige, mit duroplastischer Formmasse vergossene Bauteil (30) mit einer thermoplastischen Formmasse umspritzt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843673 | 1998-09-23 | ||
DE19843673A DE19843673C2 (de) | 1998-09-23 | 1998-09-23 | Vergußgekapselte Vorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0989567A1 EP0989567A1 (de) | 2000-03-29 |
EP0989567B1 true EP0989567B1 (de) | 2002-06-26 |
Family
ID=7882001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99116313A Expired - Lifetime EP0989567B1 (de) | 1998-09-23 | 1999-08-19 | Vergussgekapselte Vorrichtung |
Country Status (3)
Country | Link |
---|---|
US (1) | US6246309B1 (de) |
EP (1) | EP0989567B1 (de) |
DE (2) | DE19843673C2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10125223B4 (de) * | 2001-05-23 | 2004-07-22 | Kern Gmbh | Elektromagnetische Vorrichtung |
US7007924B2 (en) * | 2003-06-27 | 2006-03-07 | Parker-Hannifin Corporation | One-piece coil conduit |
DE102004009690A1 (de) * | 2004-02-27 | 2005-09-08 | Nass Magnet Gmbh | Magnetspule |
US8271141B2 (en) * | 2008-06-09 | 2012-09-18 | Ross Operating Valve Company | Control valve system with cycle monitoring, diagnostics and degradation prediction |
CA159231S (en) | 2014-04-25 | 2015-10-12 | Colgate Palmolive Co | Charger for electric toothbrush |
CA159230S (en) | 2014-04-25 | 2015-10-12 | Colgate Palmolive Co | Charger for electric toothbrush |
CA2987830C (en) * | 2015-09-14 | 2023-10-17 | Appleton Grp Llc | An arrangement for maintaining desired temperature conditions in an encapsulated transformer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH627584A5 (en) * | 1978-07-07 | 1982-01-15 | Lucifer Sa | Electrical coil |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1465514A1 (de) * | 1964-10-24 | 1969-12-11 | Eberle Werke Kg | Gehaeuse fuer explosionsgeschuetzte elektrische Betriebsmittel |
US3657677A (en) * | 1969-06-20 | 1972-04-18 | Westinghouse Electric Corp | Electrical transformer |
DE2926549A1 (de) * | 1979-06-30 | 1981-01-15 | Schultz Wolfgang E | Explosionsgeschuetzter, druckfester elektromagnet |
US4412196A (en) * | 1982-04-08 | 1983-10-25 | Double A Products Company | Solenoid for directional valves |
DE3501391C2 (de) * | 1985-01-17 | 1996-01-11 | Wabco Gmbh | Gehäuse für ein elektrisches Bauteil |
DE3842379A1 (de) * | 1988-12-16 | 1990-06-21 | Heinrichs Messgeraete Josef | Elektromagnetanordnung an einem messgeraet in explosionsgeschuetzter ausfuehrung |
DE9003343U1 (de) * | 1990-03-21 | 1990-05-23 | Herion-Werke GmbH & Co. KG, 70736 Fellbach | Vergußgekapselte Vorrichtung |
JPH0538479U (ja) * | 1991-10-25 | 1993-05-25 | 曙ブレーキ工業株式会社 | ブレーキ制御機構の電磁弁装置 |
JP2851491B2 (ja) * | 1992-08-13 | 1999-01-27 | 三菱電機株式会社 | 内燃機関用点火装置 |
JPH0766325A (ja) * | 1993-08-26 | 1995-03-10 | Rohm Co Ltd | 合成樹脂パッケージ型電子部品の構造 |
EP0662696B1 (de) * | 1994-01-11 | 1998-03-18 | Smc Corporation | Verfahren zur Herstellung einer Solenoidvorrichtung für elektromagnetische Ventile |
-
1998
- 1998-09-23 DE DE19843673A patent/DE19843673C2/de not_active Expired - Fee Related
-
1999
- 1999-08-19 EP EP99116313A patent/EP0989567B1/de not_active Expired - Lifetime
- 1999-08-19 DE DE59901840T patent/DE59901840D1/de not_active Expired - Lifetime
- 1999-09-23 US US09/404,068 patent/US6246309B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH627584A5 (en) * | 1978-07-07 | 1982-01-15 | Lucifer Sa | Electrical coil |
Also Published As
Publication number | Publication date |
---|---|
EP0989567A1 (de) | 2000-03-29 |
US6246309B1 (en) | 2001-06-12 |
DE59901840D1 (de) | 2002-08-01 |
DE19843673A1 (de) | 2000-04-13 |
DE19843673C2 (de) | 2001-05-17 |
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