EP0858135A1 - Dispositif de connexion électrique pour deux circuits - Google Patents

Dispositif de connexion électrique pour deux circuits Download PDF

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Publication number
EP0858135A1
EP0858135A1 EP97117097A EP97117097A EP0858135A1 EP 0858135 A1 EP0858135 A1 EP 0858135A1 EP 97117097 A EP97117097 A EP 97117097A EP 97117097 A EP97117097 A EP 97117097A EP 0858135 A1 EP0858135 A1 EP 0858135A1
Authority
EP
European Patent Office
Prior art keywords
circuit part
control unit
circuit
arrangement according
cover
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
Application number
EP97117097A
Other languages
German (de)
English (en)
Other versions
EP0858135B1 (fr
Inventor
Roland Schmid
Guenter Schelling
Mark Wilm
Thomas Raica
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0858135A1 publication Critical patent/EP0858135A1/fr
Application granted granted Critical
Publication of EP0858135B1 publication Critical patent/EP0858135B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit

Definitions

  • the invention relates to an arrangement for electrical connection two circuit parts with the in the preamble of the claim 1 specified characteristics.
  • Such a control unit consists of a Housing in which an electronic circuit is arranged is that with at least one connector part fixed to the housing is electrically connected.
  • 1 is a known one Control unit shown.
  • the housing of the control unit 1 comprises a bottom part which can be closed with a cover part 7 8.
  • the bottom part 8 is fastened to a support 5 in the engine compartment.
  • a plug part 10 fixed on the cover part 7 connects the control unit 1 via a wiring harness 11 to the engine.
  • Another connector part 12 is with a wire harness 13 provided that leads to the vehicle interior.
  • the electronic circuit of the control unit 1 is arranged on a circuit part 2, which can be a circuit board or a hybrid.
  • the Circuit part 2 is fixed on the cover part 7 and over Bond wires electrically connected to the connector parts 10 and 12.
  • the stored in the control circuit Adapt the control program to the running engine.
  • An electronic calculator for example a PC, via an extended interface to that on the first Circuit part arranged control circuit connected.
  • Another electronic circuit is an interface, a so-called emulator probe head (ETK) is provided, which on a second circuit part is arranged.
  • ETK emulator probe head
  • the difficulty in performing the parameter adjustment can be seen in particular in that the second circuit part 3 over a number of about a hundred individual lines 16 with the first, the control unit associated circuit part 2 must be connected.
  • the housing of the control unit 1 is very small and compact is arranged to save space in the engine compartment To be able to, must therefore in the known arrangement the first circuit part 2, as shown in FIG. 2, be removed from the control unit 1.
  • the control unit housing then only serves as a plug adapter. Instead of the circuit part 2 a circuit board 20 is inserted into the housing, which the connector parts 10,12 of the control unit Connects interconnects with a wire harness 15.
  • the wiring harness 15 is led out of the control unit and in the vehicle interior connected to the first circuit part 2, which in turn over a variety of line connections 16 with the second circuit part 3 is connected.
  • the electronic Circuit of the second circuit part 3 is via another Wiring harness 17 connected to an electronic computer 4.
  • the disadvantage is that the whole arrangement is extremely complex is to be handled. After separating the second Circuit part 3, the control unit 1 as a series device can no longer be used. This is only after an expansion the circuit board 20 and a reinstallation of the first circuit part 2 possible in the control unit housing. Because of the large number of connections 16 is the effort the separation of the electrical connections 16 between the first and the second circuit part at this state of the Technology to be seen as particularly disadvantageous, especially since the line connections 16 all individually with the connections the circuit parts 2,3 must be connected. About that moreover, the entire arrangement is very susceptible to Shaking and temperature changes.
  • the arrangement according to the invention with the characterizing part of the claim 1 has the advantage that the first circuit part to adapt the control program not from the Control unit housing must be removed and the second Circuit part detachably within the control unit housing the first circuit part is connectable. This can do that second circuit part advantageous with only a few simple Handles are installed in the control unit and after the Adjusting the parameters of the control unit is just as easy be removed from the control unit. The control unit remains then continue to be used as a series device.
  • the electrical Connections between the circuit parts are made by the second circuit part arranged resilient contact elements manufactured that releasably with on the first circuit part arranged contact surfaces electrically connectable are.
  • the arrangement of the contact surfaces on the first circuit part only slight changes in the conductor pattern required. Since the arrangement according to the invention has a low height, shorten advantageously the signal paths between the first and second circuit part while maintaining reliability of the connection Shaking loads.
  • the invention Arrangement much more compact and easier to handle than the previously known solutions.
  • resilient contact elements comprise a ball of wire and in one on the second circuit part bracket with axial play are resiliently clamped.
  • Ball of wire is even with extreme shaking loads or Alternating temperature loads, e.g. in the engine compartment one High reliability of the vehicle can occur electrical connections ensured as from the accidental Winding structure of the wires within the wire ball a quasi-resonance-free spring element results.
  • the installation of the second circuit part is facilitated that the first circuit part on the cover part of the Control unit housing is applied and the second circuit part via spacers on the first circuit part is releasably attached.
  • the spacers advantageously serve the mechanical attachment of the second circuit part and at the same time the adjustment and alignment of the contact elements with respect to the contact surfaces of the first circuit part.
  • the bottom part of the control unit housing can simply be attached to the different height of the control unit with and without second circuit part to be adjusted. It is advantageous the second circuit part via with the first circuit part screwable spacers on the first circuit part to arrange.
  • the height of the arrangement can be achieved by using a Hybrid circuit for the second circuit part further downsize, so that the arrangement even in very small control unit housings can be used.
  • Fig. 3 shows an embodiment of the invention Connection arrangement with a control unit 1, the housing from a bottom part 8 and a cover part that can be connected to it 7 exists.
  • the housing of control unit 1 is in the engine compartment of a motor vehicle on a carrier part 5 Screws not shown attached.
  • the cover part 7 has a flat surface on which a first circuit part 2 is arranged.
  • On the circuit part 2 is an electronic Control circuit for engine control of the motor vehicle arranged.
  • this is second circuit part 2 is a hybrid circuit that on the Cover part 7 is glued on.
  • the circuit part 2 has a grid on one edge of contact areas 31 on, with the conductor tracks of the circuit part are connected and as a contact device for the serve electrical connection of a second circuit part are.
  • the procedure for adapting the motor is as follows.
  • the The control unit is detached from the carrier 5 and the cover part 7 is removed from the bottom part 8.
  • a second Circuit part 3 a so-called emulator probe, in the Control unit 1 installed.
  • the electronic circuit of the second circuit part 3 forms an interface to one electronic computer (PC) in the vehicle interior and is is connected to the computer 4 via a cable harness 17.
  • PC electronic computer
  • the parameters of the control circuit of the first Circuit part 2 from the vehicle interior to the current Motor can be adjusted. This requires about a hundred individuals Contacts between the conductor tracks of the second circuit part 3 and the contact surfaces 31 of the first circuit part 2 are manufactured.
  • resilient contact elements 30 are provided in a grid corresponding to the contact areas 31 are arranged.
  • the contact elements 30 each have Ball of wire on that in a holder 32 with axial play is resiliently clamped.
  • holder 32 e.g. a cuboid Plastic carrier can be provided on a Side of the second circuit part 3 protrudes perpendicularly from this.
  • Fig. 4 shows a section of a possible Embodiment of the plastic carrier 32 with two shown Contact elements.
  • Drilled holes introduced by the circuit part 3 facing Side up to that facing away from the circuit part 3 Are carried out by the carrier 32 and in each of which a wire ball 30 with axial play resiliently clamped is arranged.
  • Each wire ball 30 is at that Circuit part 3 facing side with a conductor track 33 connected and on the side facing the circuit part 2 provided with a contact plunger 34.
  • the distance is through on the second Circuit part attached bolt-like spacers 35 and bridges the plastic carrier 32.
  • the spacers 35 are perpendicular to the second circuit part and serve for mechanical attachment of the second circuit part 3 and at the same time for guiding and aligning the contact elements 30, so that the plunger 34 of the contact elements during assembly 30 the individual contact surfaces 31, as in FIG. 4 shown, contact in the middle.
  • the second Circuit part 3 repellent ends of the four spacers provided 35 can be screwed to the first circuit part 2.
  • the distance of the facing surfaces from the first and second circuit part is in that shown here Example only 8 mm. If necessary, with built-in second circuit part 3, the cover part 7 on another Bottom part 8 can be attached to the housing to the overall height the parts of the circuit opposite each other adapt.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connection Or Junction Boxes (AREA)
EP97117097A 1997-02-07 1997-10-02 Dispositif de connexion électrique pour deux circuits Expired - Lifetime EP0858135B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19704487 1997-02-07
DE19704487A DE19704487A1 (de) 1997-02-07 1997-02-07 Anordnung zum elektrischen Anschluß zweier Schaltungsteile

Publications (2)

Publication Number Publication Date
EP0858135A1 true EP0858135A1 (fr) 1998-08-12
EP0858135B1 EP0858135B1 (fr) 2004-01-07

Family

ID=7819481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117097A Expired - Lifetime EP0858135B1 (fr) 1997-02-07 1997-10-02 Dispositif de connexion électrique pour deux circuits

Country Status (2)

Country Link
EP (1) EP0858135B1 (fr)
DE (2) DE19704487A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917979A1 (de) * 1989-06-02 1990-12-06 Bosch Gmbh Robert Emulationsvorrichtung fuer ein steuergeraet, insbesondere ein zuend- und/oder einspritzsteuergeraet fuer brennkraftmaschinen
US5127837A (en) * 1989-06-09 1992-07-07 Labinal Components And Systems, Inc. Electrical connectors and IC chip tester embodying same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917979A1 (de) * 1989-06-02 1990-12-06 Bosch Gmbh Robert Emulationsvorrichtung fuer ein steuergeraet, insbesondere ein zuend- und/oder einspritzsteuergeraet fuer brennkraftmaschinen
US5127837A (en) * 1989-06-09 1992-07-07 Labinal Components And Systems, Inc. Electrical connectors and IC chip tester embodying same

Also Published As

Publication number Publication date
EP0858135B1 (fr) 2004-01-07
DE19704487A1 (de) 1998-08-13
DE59711185D1 (de) 2004-02-12

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