DE102004002563A1 - Electromagnetically screened housing for use with automobile electronics produced of metal filled plastic - Google Patents
Electromagnetically screened housing for use with automobile electronics produced of metal filled plastic Download PDFInfo
- Publication number
- DE102004002563A1 DE102004002563A1 DE200410002563 DE102004002563A DE102004002563A1 DE 102004002563 A1 DE102004002563 A1 DE 102004002563A1 DE 200410002563 DE200410002563 DE 200410002563 DE 102004002563 A DE102004002563 A DE 102004002563A DE 102004002563 A1 DE102004002563 A1 DE 102004002563A1
- Authority
- DE
- Germany
- Prior art keywords
- press
- zone
- housing
- circuit carrier
- filled plastic
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
Die Erfindung betrifft eine elektrische Baugruppe mit einem Schaltungsträger, beispielsweise einer Leiterplatte mit Leitbahnen und elektrischen Bauelementen. Dieser Schaltungsträger ist in einem strahlungsschützenden Gehäuse angeordnet, um die Ein- oder Abstrahlung elektromagnetischer Wellen zu vermeiden, wie dies beispielsweise für sicherheitsrelevante Baugruppen in Kraftfahrzeugen zur Vermeidung von Störungen der Baugruppe oder anderer Baugruppen im Fahrzeug erforderlich ist.The The invention relates to an electrical assembly with a circuit carrier, for example a Printed circuit board with interconnects and electrical components. This circuit support is in a radiation protective casing arranged to the on or To avoid radiation of electromagnetic waves, as for example for safety-relevant Assemblies in motor vehicles to avoid disturbances of Assembly or other assemblies in the vehicle is required.
Ein solches strahlungsschützendes Gehäuse kann aus metallgefülltem Kunststoff hergestellt werden, wobei als metallische Füllmaterialien kleine Metallpartikel zum Einsatz kommen, welche dem Kunststoff im Spritzgußverfahren beigemengt werden.One such radiation protective casing can be made of metal filled Be made of plastic, being used as metallic filling materials small metal particles are used, which is the plastic by injection molding be added.
Die elektrische Erdung eines solches Gehäuses aus metallgefüllten Kunststoff erweist sich jedoch als problematisch. So zeigte sich bei Untersuchungen, dass sich die metallischen Partikel beim Spritzguß von einer Kunststoffschicht überzogen werden und sich nicht oder in nicht ausreichendem Maße an der Oberfläche abscheiden, um eine einfache elektrische Kontaktierung zu gewährleisten.The electrical grounding of such a housing made of metal-filled plastic turns out to be problematic. Thus, in investigations, that the metallic particles in the injection molding of a Plastic layer are coated and do not deposit on the surface or to a sufficient extent, to ensure a simple electrical contact.
Aufgabe der Erfindung ist es daher, eine elektrische Baugruppe mit einem strahlungsschützenden Gehäuse aus metallgefülltem Kunststoff vorzustellen, welches auf einfache Weise eine zuverlässige Potentialanbindung ermöglicht. Diese Aufgabe ist durch die kennzeichnenden Merkmale von Anspruch 1 gelöst. Vorteilhafte Weiterbildungen sind den Unteransprüchen zu entnehmen.task The invention is therefore an electrical assembly with a radiation-protective casing made of metal-filled To imagine plastic, which in a simple way a reliable potential connection allows. This object is achieved by the characterizing features of claim 1 solved. Advantageous developments can be found in the dependent claims.
Zur Erzielung der gewünschten Kontaktierung wird dabei der Schaltungsträger in eine Einpresszone eingeführt, die derart ausgestaltet ist, dass zumindest in einem Teilbereich der Einpresszone das Gehäuse an der Oberfläche verformt oder vorzugsweise abgetragen, insbesondere abgeschabt wird, so dass die im Kunststoff befindlichen Metallpartikel mit dem Schaltungsträger in Berührung kommen.to Achieving the desired Contacting the circuit carrier is introduced into a press-in zone, the is configured such that at least in a portion of the Press-in zone the housing on the surface deformed or preferably removed, in particular scraped, so that the metal particles located in the plastic come into contact with the circuit carrier.
In diesem Bereich des Schaltungsträgers ist dann eine Kontaktzone, also bspw. eine Metallisierung angeordnet, welche mit dem Bezugspotential verbunden ist und so dass Gehäuse mit diesem verbindet.In this area of the circuit carrier is then a contact zone, that is, for example, a metallization is arranged, which is connected to the reference potential and so that housing with this connects.
Die Erfindung soll nachfolgend anhand von Figuren und Ausführungsbeispielen näher beschrieben werden. Es zeigen:The Invention will be described below with reference to figures and embodiments described in more detail become. Show it:
Die
Aus
dem Gehäuse
ist zumindest eine Einpresszone
Die
Einpresszone
Der
Schaltungsträger
Die
Einpresszone
Derartige
Freiräume
sind insbesondere vorteilhaft, wenn die Einpresszone nicht wie in
der
Um
in größeren Gehäusen, beispielsweise einem
Bechergehäuse
die Ausrichtung des Schaltungsträgers
auf die Einpresszone
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410002563 DE102004002563B4 (en) | 2004-01-17 | 2004-01-17 | Electrical assembly with a circuit carrier in a radiation-protective housing made of metal-filled plastic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410002563 DE102004002563B4 (en) | 2004-01-17 | 2004-01-17 | Electrical assembly with a circuit carrier in a radiation-protective housing made of metal-filled plastic |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102004002563A1 true DE102004002563A1 (en) | 2005-08-04 |
DE102004002563B4 DE102004002563B4 (en) | 2013-10-17 |
Family
ID=34716644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200410002563 Expired - Fee Related DE102004002563B4 (en) | 2004-01-17 | 2004-01-17 | Electrical assembly with a circuit carrier in a radiation-protective housing made of metal-filled plastic |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004002563B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011056743A1 (en) * | 2011-12-21 | 2013-06-27 | Conti Temic Microelectronic Gmbh | Control device for vehicle e.g. motor car, has ground connection that is arranged between circuitry carrier and electrical conductive element of base plate and is extended in circuitry carrier arranged on base plate |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8711521U1 (en) * | 1987-08-25 | 1987-12-03 | Siemens AG, 1000 Berlin und 8000 München | Shielding housing for plug-in units in electrical communications engineering |
DE3211758C2 (en) * | 1982-03-30 | 1988-06-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
DE19836887A1 (en) * | 1998-08-14 | 2000-02-17 | Krone Ag | Electrically and mechanically sealed casing for electronic circuit board module; has one casing shell pressed into contact with circuit component, to form waste heat or heat sink region of circuit board |
-
2004
- 2004-01-17 DE DE200410002563 patent/DE102004002563B4/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3211758C2 (en) * | 1982-03-30 | 1988-06-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
DE8711521U1 (en) * | 1987-08-25 | 1987-12-03 | Siemens AG, 1000 Berlin und 8000 München | Shielding housing for plug-in units in electrical communications engineering |
DE19836887A1 (en) * | 1998-08-14 | 2000-02-17 | Krone Ag | Electrically and mechanically sealed casing for electronic circuit board module; has one casing shell pressed into contact with circuit component, to form waste heat or heat sink region of circuit board |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011056743A1 (en) * | 2011-12-21 | 2013-06-27 | Conti Temic Microelectronic Gmbh | Control device for vehicle e.g. motor car, has ground connection that is arranged between circuitry carrier and electrical conductive element of base plate and is extended in circuitry carrier arranged on base plate |
Also Published As
Publication number | Publication date |
---|---|
DE102004002563B4 (en) | 2013-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final |
Effective date: 20140118 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |