Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/46—Bases; Cases
  • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins

Definitions

• the invention is based on a housing connector for the outer Kontak- tion of a arranged in the corresponding housing circuitry.
• the housing connector has a contact arrangement, which has a contact carrier and at least one contact element held in the contact carrier, a housing-side connector part having at least one opening through which the contact element extends into the outer region of the housing and at least one sealing the contact arrangement against the housing-side connector part Seal on.
• the invention further proceeds from a housing for accommodating a circuit arrangement, in particular a circuit arrangement arranged on a printed circuit board carrier, with at least one housing plug connector in a housing wall of the housing.
• Such housing with housing connectors are used, among other things, in electronic control units (SG) in the automotive sector.
• SG electronice control units
• circuit elements such as a printed circuit board, DBC (Direct Bonded Copper) or special components are arranged inside the device, one of which is fixed on the housing bottom (for example the circuit board for cooling), the task is often to be solved.
• DBC Direct Bonded Copper
• the plug can not be shown as part of the housing cover, since the contact elements after joining the Lids on the heatsink having the remaining housing can not be soldered. The device is already closed at this moment. A blind pressing also does not make sense, since there is no security on a reliable connection of contact elements and conductor carrier with the appropriate number of connector pins.
• the housing connector mentioned in the introduction is known, for example, from the document DE 10 2008 020 668 A1.
• the housing-side connector part is formed there as a sleeve into which the contact arrangement is completely inserted.
• the seal is formed as a contact carrier circumferential sealing edge, which seals the contact assembly against the housing-side connector part.
• the document also describes a corresponding housing.
• the contact carrier is formed as a trough-shaped contact carrier for receiving a fluid forming the seal with a peripheral edge and that the housing-side connector part has a stamp-like portion formed in which the opening, said portion in the mounted state of Housing connector engages in the cavity of the trough-shaped carrier.
• the trough-shaped design of the contact carrier allows the use of a fluid forming the seal, which is distributed according to the formation of the shape of the seal upon engagement of the stamp-like portion of the housing-side connector part in the cavity of the trough-shaped contact carrier. It must therefore be moved to their positioning relative to the housing-side connector part and / or the contact assembly during assembly of the connector no preformed seal.
• a housing connector can thus be very easy to implement a sealed connector that is tight even without plugged mating connector.
• the at least one contact element in the contact carrier is sealed in a fluid-tight manner. An additional sealing of the contact carrier against the / the contact element (s) is not necessary.
• the seal seals the housing-side connector part in the peripheral region of its stamp-shaped portion against the peripheral edge of the contact carrier. Furthermore, the seal seals the housing-side connector part in the region of the at least one opening in its stamp-like formed portion against the contact carrier and / or the at least one contact element.
• the stamp-like formed portion of the housing-side connector part is formed as a connector base, which merges on the outside of the housing in a connector collar of the housing-side connector part.
• a plurality of contact elements and a number of contact elements corresponding number of openings are provided.
• Each breakthrough is assigned to a contact element.
• Each contact element penetrates in the assembled state its associated breakthrough.
• an additional breakthrough or even a plurality of additional breakthroughs can be introduced, for example for venting purposes.
• the housing plug connector has at least one pair of interacting alignment structures for aligning the contact arrangement with respect to the housing-side connector part, wherein one of the alignment structures on the housing-side connector part and the other of the alignment structures is formed on the contact arrangement.
• the housing plug connector is formed as mentioned above, wherein the housing-side connector part is integrally formed in the housing wall.
• the housing has a housing cover, wherein the housing wall is formed by this cover.
• a housing wall lying opposite the housing cover is designed as a heat sink, to which at least one component of the circuit arrangement can be thermally connected or connected.
• this component can also be a conductor carrier.
• FIG. 1 shows an assembly of a housing connector having a housing cover and a housing bottom to a housing according to a preferred embodiment of the invention
• FIG. 2 shows the housing resulting from the joining according to FIG. 1 with mounted housing connector
• Fig. 3 is a detailed view of the assembled housing connector and its electrical connection to a conductor carrier in the housing, and
• Fig. 4 shows an alternative embodiment of the housing connector according to a further advantageous embodiment of the invention.
• FIG. 1 shows a housing 10 for accommodating a circuit arrangement arranged on at least one conductor carrier (a printed circuit board) 12, 14 (Not shown).
• the housing 10 has a housing cover 16 and a housing 20 designed as a housing 18 remaining housing.
• the housing cover 16 and the remaining housing 20 are joined together by joining (arrows 22), so that the fully assembled housing 10 is formed.
• the remaining housing 20 has a heat sink 24 with high heat capacity, or forms such a heat sink 24 from.
• two conductor carrier 12, 14 are arranged one above the other in the housing 10 and electrically connected to each other by means of conductor carrier connector 26. Mechanically, both conductor track carriers 12, 14 are connected to the heat sink 24.
• the lower of the conductor carrier 12 is directly connected and the upper of the printed circuit board carrier 14 is connected via spacers 28 to the heat sink 24. Due to its direct mechanical connection, the lower of the conductor carrier 12 is also thermally well connected to the heat sink. Further cooling devices, such as, for example, a cooling rib arrangement and / or heat pipes (heat pipes), etc., can be connected to the outer region of the cooling body 24. In the figures, however, no further cooling device is shown.
• connection sections 30 of contact elements 32 of a housing plug connector 34 are directly soldered or pressed in. These terminal portions 30 are formed as lower end portions of the contact elements 32 themselves.
• the housing connector 34 produced by the joining process and shown in the assembled state in FIGS. 2 and 3 is electrically connected via said contact elements 32 to the conductor tracks of the conductor carrier 14.
• All contact elements 32 are arranged in a common contact arrangement 36.
• the contact elements 32 are held by a contact carrier 38 of the contact arrangement 36, wherein the contact carrier 38 is formed as encapsulation of the contact elements 32.
• the contact elements 32 in the contact carrier 38 are sealed in a fluid-tight manner.
• the contact carrier 38 is designed to receive a seal (the sealing material) 40 forming fluid as a trough-shaped contact carrier 38 with a peripheral edge 42. This trough-shaped contact carrier 38 is preferably produced by means of injection molding.
• a housing-side connector part 46 of the housing connector 34 is formed integrally with an upper housing wall 44 formed by the lid 14.
• This housing-side connector part 46 has a in the interior the housing 10 facing and stamp-shaped portion 48 on.
• the underside of this portion 48 forms a connector base 50.
• This is supplemented to the outside by a sleeve-shaped connector collar 52.
• a plurality of apertures 54 are provided in the connector base 50 and in the bottom of the portion 48 . Through each of these openings 54 protrudes one of the contact elements 32 from the interior of the housing 10 in a surrounded by the connector collar 52 outer region 56 of GeHousesteckverb inder 34 and the housing 10th
• the terminal portions 30 are like the rest of the contact elements 32 are relatively stiff, so that they can hold the contact assembly 36 in such a mounting position in which at the same time with the closing of the housing cover 16, the housing connector 34 is mounted.
• the connection sections 30 are soldered or pressed into the conductor carrier 14 and optionally have a strain relief shown in the figures.
• the trough-shaped contact carrier 38 is aligned so that its cavity formed by the edge 42 58 is directed upward. In the cavity 58, a fluid 60 is filled, which later forms the seal 40 for sealing the contact assembly 36 against the housing-side connector part 46.
• the housing 10 is in particular a housing of an electronic control unit.
• controllers are known in vehicles, especially motor vehicles, as an engine control unit, as a transmission control unit, etc.
• the seal 40 seals the housing-side connector part 46 in estimatesbe rich of its stamp-like portion 48 against the peripheral edge 42 of the contact carrier 38 from. In addition, the seal 40 seals the housing-side connector part 46 in the region of the openings 54 in its stamp-like portion 48 against the contact carrier 38 and the contact elements 32 from.
• Fig. 3 shows a detailed view of the assembled housing connector 34 and its electrical connection to a conductor carrier 12, 14 in the housing 10.
• Fig. 4 shows an alternative embodiment of the housing connector 34 according to a further advantageous embodiment of the invention.
• the contact arrangement 36 is not supported during assembly or joining via rigid connection sections 30 or supply lines, but rather via a frame 62 on the conductor track carrier 12, 14.
• the electrical connection of Maisan- order 36 and conductor carrier 12, 14 is separated from the some predeterminable stiffness for mounting mechanical connection of contact assembly 36 and conductor carrier 12, 14.
• the contact elements 32 are injection molded with plastic by means of an injection molding process, the contact carrier 38 being produced.
• This contact carrier 38 designed as an "encapsulation" is trough-shaped in the direction of the housing-side connector part 46 and thus capable of accommodating fluids (such as adhesively liquid) such as adhesives and sealants which form the seal 40 of the housing connector 34, if appropriate after they have hardened ,
• the housing connector 34 preferably has at least one pair of interacting alignment structures for aligning the contact arrangement 36 with the housing-side connector part 46 (not shown), one of the alignment structures on the housing-side connector part 46 and the other of the alignment structures on the contact arrangement 36, in particular are formed on the contact carrier 38.
• These alignment structures are, for example, conical structures, run-up slopes, etc.
• the overmolded contact elements 32 are soldered via their terminal sections 30 directly or by means of intermediate (rigid) leads on the conductor carrier 12, 14 or pressed into this. Subsequently, the conductor track carrier 12, 14 is mounted in / on the heat sink 24. Thereafter, the vane-shaped contact carrier 38 of the contact elements 32 is filled with a fluid 60 such as adhesive or sealant. Finally, the housing cover 16 is joined to the remaining housing 20 (in this case the heat sink 24). In this case, find the free ends of the contact elements 32 through the apertures 54 in the connector base 50 through into the connector collar 52 into it. In the case of low-viscosity fluids, it is also conceivable first to add the housing cover 16 and then fill in the fluid 60 first.
• the conductor carrier 14, 14 can first be mounted in / on the heat sink 24 and then held by means of contact carrier 38 contact elements 32 are pressed into the conductor carriers 12, 14.
• the underside of the connector base 50 is immersed in the tub structure of the contact carrier (contact element encapsulation) 38 filled with fluid 60 (such as adhesive or sealing compound).
• fluid 60 such as adhesive or sealing compound
• the contact carrier 38 is aligned with the housing cover 16 or on the housing-side connector part 46.
• the adhesive, or the sealant seals the openings 54 in the connector base 50 against the contact elements 32, without the free ends of the contact elements 32 would have been smeared above.
• the sealing connection / adhesive connection is additionally able to absorb insertion forces and to keep it away from the connection point of the contact element 32 to the conductor carrier 12, 14.
• the adhesive, or the sealant is crosslinked after joining at room temperature or in the oven. Of course, other types of networking are conceivable.
• the housing connector 34 shown in FIGS. 1 to 4 has the following properties or advantages: -
• the housing connector 34 is a sealed connector that allows the tightness of the housing 10 without plugged mating connector, -
• the housing connector 34 takes the insertion forces when plugging or
• the housing connector 34 is characterized by an acceptable positional tolerance of the contact elements 32.

Landscapes

• Connector Housings Or Holding Contact Members (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46516742

Family Applications (1)

Country Status (4)

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Citations (6)

Family Cites Families (2)

• 2011
  • 2011-07-27 DE DE102011079914A patent/DE102011079914A1/de not_active Withdrawn
• 2012
  • 2012-07-13 EP EP12735865.3A patent/EP2737582B1/de not_active Not-in-force
  • 2012-07-13 WO PCT/EP2012/063764 patent/WO2013014005A1/de active Application Filing
  • 2012-07-13 CN CN201280036712.8A patent/CN103718389B/zh not_active Expired - Fee Related

Patent Citations (6)

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