WO2015124647A1 - Elektronisches modul - Google Patents
Elektronisches modul Download PDFInfo
- Publication number
- WO2015124647A1 WO2015124647A1 PCT/EP2015/053447 EP2015053447W WO2015124647A1 WO 2015124647 A1 WO2015124647 A1 WO 2015124647A1 EP 2015053447 W EP2015053447 W EP 2015053447W WO 2015124647 A1 WO2015124647 A1 WO 2015124647A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- conductor
- layer
- module
- assembly
- Prior art date
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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/0056—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
-
- 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
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49146—Assembling to base an electrical component, e.g., capacitor, etc. with encapsulating, e.g., potting, etc.
Definitions
- the invention relates to a production method for an electronic module according to the preamble of claim 1 and an electronic module according to the preamble of claim 9.
- the assembly may comprise a so-called. Shunt or a terminal of a connector, for example a elekt ⁇ step ladder, for example, enclose with a protective layer, so the assembly is better shielded from environmental influences. Often, only the conductor is bordered by the protective layer. This protective layer serves to prevent oxidation or corrosion of the conductor surface and is also required to prevent other, known in the art in this context, negative effects.
- a reliable and safe against environmental influences shielding or tight connection of the potting to the housing is übli ⁇ chish guaranteed.
- plasma activation of the housing it can even be improved for certain Mate ⁇ rialkombinationen of the housing and the casting.
- a dense Ver ⁇ connection of the casting is usually guaranteed at different metals.
- the encapsulation only inadequately bonds with the protective layer mentioned, so that the connection between the conductor and the encapsulation is disconnected during temperature changes or the action of certain environmental media or environmental factors, which leads to a deterioration in the overall protective effect leads.
- different types of contaminants, such as water penetrate into the housing and affect the function of the assembly or destroy the assembly.
- the potting with the metal can make a reliable connection.
- layer is preferably surface material of the conductor or shunt is understood, this Oberflä ⁇ chenmaterial is particularly different to the base material of the conductor or shunt and thus forms or a protective layer or other additional, separate layer that this upper ⁇ sheet material in particular the same, or one-piece material of the conductor or shunt is and only the surface material with a defined surface area and thickness, which is removed, for example by laser ablation.
- the thus exposed or locally exposed surface of the conductor or shunt is expediently activated or chemically activated or its roughness is increased. It is particularly preferred that by removing the layer and / or protective layer, the exposed surface of the conductor or shunt is oxidized, at least partially.
- the layer that is removed is the at least one assembly a protective layer. It is preferred that the assembly comprises an electrical conductor, in particular designed as a shunt, from which the layer is removed.
- the electrical conductor in particular as a shunt, comprises the electrical contacts guided through the housing wall.
- the layer or protective layer is preferably removed by means of elimination.
- the ablation is carried out or carried out in particular by means of laser light and / or electrical energy, in particular electrical current.
- the ablation takes place in the context of an assembly of the at least one assembly.
- the electrical conductor or shunt is inserted into the housing or the housing is molded onto and / or around the shunt / conductor and formed, wherein the electrical contacts of the conductor or shunt are guided through the housing wall, after which the ablation of the layer is performed at at least one location.
- the layer or protective layer of the at least one module in the region of press-in pins, which connect a conductor of the module to at least one module element be removed from the conductor, in particular in the respective region of several press-fit pins. It is expedient, in particular in addition, that the layer or protective layer of the at least one module in the region of the electrical contacts outside the housing, in particular of the conductor, which comprises these guided through the housing wall electrical contacts, is removed.
- connection of the module elements or the electronics to the electrical conductor is preferably carried out by means of press-fit pins which are fastened on the conductor.
- joining technique soldering, gluing, sintering, welding and other techniques known to a person skilled in the art come into consideration.
- the energy input for welding the pins and / or for removing the layer or protective layer preferably takes place either via laser light or via electrical current.
- the process of attachment of the construction ⁇ group elements or the electronics on the electrical conductor by means of Einpresspins used to remove by means of said energy input via laser light or electric current, the protective layer in the region of Einpresspins, eg by means of ablation.
- the removal of the layer or protective layer is carried out before ⁇ preferably such that a complete, closed surface is exposed without remaining protective layer islands in the surface, or that a circumferential ring is exposed around one or more remaining protective layer islands in the surface.
- a single processing plant eg laser system or power plant
- a single clamping process is required for connecting the encapsulation with the module or the conductor and to remove the protective layer. The additional time required for the removal of the protective layer or for the ablation is negligible.
- the protective layer is preferably not only removed in the region of the press-fit pins, but alternatively or additionally also in the region of an external contacting zone or in the region of external plugs.
- the electronic module is preferably configured such that the assembly comprises at least one electrical conductor and at least one assembly element, wherein the layer which is removed is removed from the conductor.
- the layer that is removed is the at least one assembly a protective layer.
- the assembly element is an electronic circuit and / or an electronic calculating unit.
- the electrical conductor in particular designed as a shunt, comprises the electrical contacts guided through the housing wall.
- the at least one assembly element and the at least one conductor are preferably electrically and mechanically connected to one another by means of press-fit pins. It is preferred that the potting covers the at least one conductor, at least within the housing.
- the at least one assembly element is arranged outside the encapsulation in the housing.
- the electronic module is preferably designed such that the layer or protective layer of the at least one module is removed from the conductor in the region of the press-fit pins. It is preferred that the layer or protective layer of the at least one assembly is removed from the conductor in the region of the electrical contacts outside the housing.
- the electronic module is preferably designed as a battery sensor or as part of a battery sensor, in particular for motor vehicles.
- a battery sensor for this battery sensor
- trains for this battery sensor
- ßigerweise includes a battery terminal for connection and attachment to the pole of a vehicle battery.
- Fig. 1 is a covered by a housing electronic Bau ⁇ group
- Fig. 2 is a comprised of a housing electronic construction ⁇ group with diffusion channels for contamination and
- FIG. 3 shows an electronic component group encompassed by a housing with diffusion channels interrupted according to the invention.
- FIG. 1 shows an electronic subassembly comprising housing 10 and subassembly 12 comprising housing 10.
- Fig. 1a shows a top view
- Fig. 1b shows a side view.
- Head 11 and assembly element 12 are electrically and mechanically connected via press-fit pins 13.
- Ladder 11 is also surrounded by protective layer 14 and potted with potting 15. Potting 15 covers conductor 11 in housing 10 such that only press-in pins 13 protrude from potting 15.
- potting 15 is directly connected to conductor 11, which leads, however, due to the material properties of potting 15 and 11 conductors according to the example, however, to a weak and unreliable connection.
- FIG. 2 shows an electronic subassembly comprising diffusion channels 21, enclosed by housing 20, through which different types of contamination can penetrate into housing 20 and damage or destroy the subassembly.
- Contaminations that can penetrate through diffusion channels 21 are, for example, water or salts.
- Diffusion channels 21 are formed in this ⁇ game according to the fact that conductor 22 is surrounded by protective layer 23 is not a tight seal with the housing 20, and further protective layer 23 closes non-sealing with casting 24th con- taminations can thus penetrate up to press-in pins 27 and continue along this until they reach assembly element 28, which they can damage or destroy.
- FIG. 3 shows an electronic subassembly comprising housing 20 with diffusion channels 21 interrupted according to the invention. Since conductor 22 has no protective layer 23 at locations 25, a tight and reliable connection between conductor 22 and encapsulation 24 results at points 25 Interruptions in diffusion channels 21 and prevent contaminants such as water or salts from reaching press-in pins 27 and corroding them. At points 26 is also a dense and reliable connection between the housing 20 and encapsulation 24, so that here also no con ⁇ taminations can get to assembly element 28.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112015000852.7T DE112015000852A5 (de) | 2014-02-18 | 2015-02-18 | Elektronisches Modul |
US15/038,802 US10136533B2 (en) | 2014-02-18 | 2015-02-18 | Method of producing a potted electronic module |
US16/172,135 US11470736B2 (en) | 2014-02-18 | 2018-10-26 | Potted electronic module with improved adhesion of potting compound |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014202978.3 | 2014-02-18 | ||
DE102014202978 | 2014-02-18 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/038,802 A-371-Of-International US10136533B2 (en) | 2014-02-18 | 2015-02-18 | Method of producing a potted electronic module |
US16/172,135 Division US11470736B2 (en) | 2014-02-18 | 2018-10-26 | Potted electronic module with improved adhesion of potting compound |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015124647A1 true WO2015124647A1 (de) | 2015-08-27 |
Family
ID=52595299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/053447 WO2015124647A1 (de) | 2014-02-18 | 2015-02-18 | Elektronisches modul |
Country Status (3)
Country | Link |
---|---|
US (2) | US10136533B2 (de) |
DE (2) | DE112015000852A5 (de) |
WO (1) | WO2015124647A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018204356A1 (de) | 2017-04-04 | 2018-10-04 | Continental Automotive Gmbh | Abdichtungen direkt auf dem Schaltungsträger |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112015000852A5 (de) * | 2014-02-18 | 2016-12-15 | Continental Automotive Gmbh | Elektronisches Modul |
DE102015216217A1 (de) * | 2015-08-25 | 2017-03-02 | Continental Teves Ag & Co. Ohg | Verfahren zum Ummanteln einer elektrischen Einheit und elektrisches Bauelement |
DE102018130720A1 (de) | 2018-12-03 | 2020-06-04 | Ima Schelling Deutschland Gmbh | Infrastruktursystem |
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JP2002280512A (ja) * | 2001-03-19 | 2002-09-27 | Denso Corp | リードフレームの製造方法 |
DE102007034757A1 (de) * | 2006-08-04 | 2008-02-14 | Denso Corp., Kariya | Stromsensor |
DE102011086048A1 (de) * | 2011-04-07 | 2012-10-11 | Continental Teves Ag & Co. Ohg | Gehäuseseitige Trennschicht zur Stressentkopplung von vergossenen Elektroniken |
DE102011089474A1 (de) * | 2011-12-21 | 2013-06-27 | Robert Bosch Gmbh | Elektronikmodul für ein Fahrzeug |
WO2014023457A1 (de) * | 2012-08-06 | 2014-02-13 | Robert Bosch Gmbh | Bauelemente-ummantelung für ein elektronikmodul |
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-
2015
- 2015-02-18 DE DE112015000852.7T patent/DE112015000852A5/de active Pending
- 2015-02-18 DE DE202015001193.4U patent/DE202015001193U1/de active Active
- 2015-02-18 US US15/038,802 patent/US10136533B2/en active Active
- 2015-02-18 WO PCT/EP2015/053447 patent/WO2015124647A1/de active Application Filing
-
2018
- 2018-10-26 US US16/172,135 patent/US11470736B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002280512A (ja) * | 2001-03-19 | 2002-09-27 | Denso Corp | リードフレームの製造方法 |
DE102007034757A1 (de) * | 2006-08-04 | 2008-02-14 | Denso Corp., Kariya | Stromsensor |
DE102011086048A1 (de) * | 2011-04-07 | 2012-10-11 | Continental Teves Ag & Co. Ohg | Gehäuseseitige Trennschicht zur Stressentkopplung von vergossenen Elektroniken |
DE102011089474A1 (de) * | 2011-12-21 | 2013-06-27 | Robert Bosch Gmbh | Elektronikmodul für ein Fahrzeug |
WO2014023457A1 (de) * | 2012-08-06 | 2014-02-13 | Robert Bosch Gmbh | Bauelemente-ummantelung für ein elektronikmodul |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018204356A1 (de) | 2017-04-04 | 2018-10-04 | Continental Automotive Gmbh | Abdichtungen direkt auf dem Schaltungsträger |
Also Published As
Publication number | Publication date |
---|---|
US11470736B2 (en) | 2022-10-11 |
US20170164493A1 (en) | 2017-06-08 |
DE112015000852A5 (de) | 2016-12-15 |
DE202015001193U1 (de) | 2015-04-09 |
US10136533B2 (en) | 2018-11-20 |
US20190075670A1 (en) | 2019-03-07 |
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