EP0984516B1 - Electrical connector for a PCB - Google Patents

Electrical connector for a PCB Download PDF

Info

Publication number
EP0984516B1
EP0984516B1 EP19990202563 EP99202563A EP0984516B1 EP 0984516 B1 EP0984516 B1 EP 0984516B1 EP 19990202563 EP19990202563 EP 19990202563 EP 99202563 A EP99202563 A EP 99202563A EP 0984516 B1 EP0984516 B1 EP 0984516B1
Authority
EP
European Patent Office
Prior art keywords
housing
row
terminals
base wall
pcb
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
Application number
EP19990202563
Other languages
German (de)
French (fr)
Other versions
EP0984516A2 (en
EP0984516A3 (en
Inventor
Mathew V. Volpone
Klaus Hold
Geoffrey Kerr
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP0984516A2 publication Critical patent/EP0984516A2/en
Publication of EP0984516A3 publication Critical patent/EP0984516A3/en
Application granted granted Critical
Publication of EP0984516B1 publication Critical patent/EP0984516B1/en
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
    • 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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/526—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures the printed circuits being on the same board
    • 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
    • H01R12/716—Coupling device provided on the PCB

Definitions

  • the present invention relates to an electrical connector for mounting on a printed circuit board (PCB).
  • PCB printed circuit board
  • Such control units include at least one PCB which requires connection to an input wiring harness providing power and control signals into the control unit, and to an output wiring harness providing power and control signals out of the control unit.
  • the PCB just provides a through connection between the specific conductors of the harnesses. Such an arrangement increases the size and the cost of the PCB.
  • US-A-3054078 discloses a two-part connector having shorting clips for electrically connecting two or more adjacent terminals in each part.
  • An electrical connector in accordance with the present invention for mounting on a printed circuit board, comprises a first housing having a base wall mountable on one side of the printed circuit board; a second housing having a base wall mountable on the other side of the printed circuit board, the base wall of the first housing and/or the second housing having an extension which can be positioned in an aperture in the printed circuit board and engage the other housing; a first row of electrical terminals passing through, and secured in, the base walls and the or each extension to provide electric contacts in the first housing and electric contacts in the second housing; a second row of electrical terminals passing through, and secured in, the base wall of the first housing to provide electric contacts in the first housing connectable with the printed circuit board; and a third row of electrical terminals passing through, and secured in, the base wall of the second housing to provide electric contacts in the second housing connectable with the printed circuit board; wherein the second row is positioned on one side of the first row and the third row is positioned on the opposite side of the first row to the second row.
  • the present invention provides an electrical connector which has connections to a PCB and connections which bypass the PCB, allowing a reduction in size and cost of the PCB, and a reduction in wiring complexity.
  • the control unit 10 handles both electrical power and electrical control signals and includes a casing 12 with a printed circuit board (PCB) 14 mounted inside the casing.
  • An electrical connector 20 in accordance with the present invention is mounted on the PCB 14 and opens through the casing 12 on both sides of the PCB.
  • the electrical connector 20 comprises a first housing 22 mounted on one side of the PCB 14, and a second housing 24 mounted on the other side of the PCB.
  • the first housing 22 opens through the upper wall 16 of the casing 12 and the second housing 24 opens through the lower wall 18 of the casing.
  • the second housing 24 has a base wall 28 with an extension 32 which extends through an aperture 30 in the PCB 14 and engages the base wall 26 of the first housing 22.
  • a first row 34 of electrical terminals 36 is mounted in the base walls 26,28 of each housing 22,24.
  • Each terminal 36 of the first row 34 extends through the base walls 26,28 and through the extension 32 (and hence through the aperture 30 in the PCB 14) to provide an electric contact 38 in the first housing 22 and an electric contact 40 in the second housing 24.
  • a second row 42 of electrical terminals 44 is mounted in the base wall 26 of the first housing 22.
  • Each terminal 44 of the second row 42 extends through the base wall 26 to provide an electric contact 46 in the first housing 22 and to make an electrical connection with an electrical conductor (not shown) on the PCB 14 in any suitable manner, such as by soldering.
  • a third row 48 of electrical terminals 50 is mounted in the base wall 28 of the second housing 24.
  • Each terminal 50 of the third row 48 extends through the base wall 28 to provide an electric contact 52 in the second housing 24 and to make an electrical connection with an electrical conductor (not shown) on the PCB 14 in any suitable manner, such as by soldering.
  • the second row 42 of terminals 44 is offset from the first row 34 of terminals 36 on one side of the first row
  • the third row 48 of terminals 50 is offset from the first row on the opposite side of the first row to the second row.
  • the electric contacts 38,46 in the first housing 22 are electrically connectable with corresponding electric contacts in a housing (not shown) of an electrical connector (not shown) which can mate with the first housing.
  • the electric contacts 40,48 in the second housing 24 are electrically connectable with corresponding electric contacts in a housing (not shown) of an electrical connector (not shown) which can mate with the second housing.
  • a first wiring harness can be mated with the first housing 22 and a second wiring harness can be mated with the second housing 24.
  • the terminals 44 provide electrical connections between the first wiring harness and the PCB 14.
  • the terminals 50 provide electrical connections between the second wiring harness and the PCB 14.
  • the terminals 36 provide electrical connections between the first and second wiring harnesses without connecting with the PCB 14. Compared to previously known arrangements, this allows a reduction in size and cost of the PCB 14, and reduces wiring complexity.
  • the terminals 36 of the first row 34 are preferably assembled in the connector 20 by pushing the terminals into suitable apertures 54 in the base wall 28 and extension 32 of the second housing 24 from the rear of the second housing, and then installing the first housing 22 by passing the terminals through suitable apertures 56 in the base wall 26 of the first housing.
  • the terminals 36 of the first row 34 preferably have shoulders 58 to prevent over-insertion of the terminals in the apertures 54 in the second housing 24, and to prevent removal of the terminals after the first housing 22 is in position.
  • the terminals 36 of the first row 34 preferably have teeth 60 which bite into the base wall 28 and extension 32 of the second housing 24 to retain the terminals in the second housing.
  • the extension 32 of the second housing 24 is positioned in the aperture 30 of the PCB 14 before the first housing 22 is installed.
  • the first and second housings 22,24 may be mounted on the PCB 14 in any suitable manner, such as by a snap fit or using screws.
  • the above described arrangement may be modified by providing an extension on both the base wall of the first housing and the base wall of the second housing, with the extensions abutting in the aperture in the PCB or on one side of the PCB.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Description

    Technical Field
  • The present invention relates to an electrical connector for mounting on a printed circuit board (PCB).
    • Background of the Invention
  • Within the electrical systems in a motor vehicle it is becoming common practise to provide an electrical control unit handling both electrical power and electrical control signals. Such control units include at least one PCB which requires connection to an input wiring harness providing power and control signals into the control unit, and to an output wiring harness providing power and control signals out of the control unit. In some circumstances, where specific conductors of the input harness are connected to specific conductors of the output harness, the PCB just provides a through connection between the specific conductors of the harnesses. Such an arrangement increases the size and the cost of the PCB.
  • US-A-3054078 discloses a two-part connector having shorting clips for electrically connecting two or more adjacent terminals in each part.
    • Summary of the Invention
  • It is an object of the present invention to overcome the above mentioned problem.
  • An electrical connector in accordance with the present invention, for mounting on a printed circuit board, comprises a first housing having a base wall mountable on one side of the printed circuit board; a second housing having a base wall mountable on the other side of the printed circuit board, the base wall of the first housing and/or the second housing having an extension which can be positioned in an aperture in the printed circuit board and engage the other housing; a first row of electrical terminals passing through, and secured in, the base walls and the or each extension to provide electric contacts in the first housing and electric contacts in the second housing; a second row of electrical terminals passing through, and secured in, the base wall of the first housing to provide electric contacts in the first housing connectable with the printed circuit board; and a third row of electrical terminals passing through, and secured in, the base wall of the second housing to provide electric contacts in the second housing connectable with the printed circuit board; wherein the second row is positioned on one side of the first row and the third row is positioned on the opposite side of the first row to the second row.
  • The present invention provides an electrical connector which has connections to a PCB and connections which bypass the PCB, allowing a reduction in size and cost of the PCB, and a reduction in wiring complexity.
    • Brief Description of the Drawings
  • The present invention will now be described, by way of example, with reference to the accompanying drawings, in which:-
    • Figure 1 is a top view of an electrical control unit having an electrical connector in accordance with the present invention;
    • Figure 2 is a cross-sectional view on the line II-II of Figure 1; and
    • Figure 3 is a cross-sectional view on the line III-III of Figure 1.
    Description of the Preferred Embodiment
  • An electrical control unit 10 suitable for installation in a motor vehicle is shown in Figures 1 to 3. The control unit 10 handles both electrical power and electrical control signals and includes a casing 12 with a printed circuit board (PCB) 14 mounted inside the casing. An electrical connector 20 in accordance with the present invention is mounted on the PCB 14 and opens through the casing 12 on both sides of the PCB.
  • The electrical connector 20 comprises a first housing 22 mounted on one side of the PCB 14, and a second housing 24 mounted on the other side of the PCB. The first housing 22 opens through the upper wall 16 of the casing 12 and the second housing 24 opens through the lower wall 18 of the casing. The second housing 24 has a base wall 28 with an extension 32 which extends through an aperture 30 in the PCB 14 and engages the base wall 26 of the first housing 22.
  • A first row 34 of electrical terminals 36 is mounted in the base walls 26,28 of each housing 22,24. Each terminal 36 of the first row 34 extends through the base walls 26,28 and through the extension 32 (and hence through the aperture 30 in the PCB 14) to provide an electric contact 38 in the first housing 22 and an electric contact 40 in the second housing 24.
  • A second row 42 of electrical terminals 44 is mounted in the base wall 26 of the first housing 22. Each terminal 44 of the second row 42 extends through the base wall 26 to provide an electric contact 46 in the first housing 22 and to make an electrical connection with an electrical conductor (not shown) on the PCB 14 in any suitable manner, such as by soldering.
  • A third row 48 of electrical terminals 50 is mounted in the base wall 28 of the second housing 24. Each terminal 50 of the third row 48 extends through the base wall 28 to provide an electric contact 52 in the second housing 24 and to make an electrical connection with an electrical conductor (not shown) on the PCB 14 in any suitable manner, such as by soldering.
  • In the present invention, the second row 42 of terminals 44 is offset from the first row 34 of terminals 36 on one side of the first row, and the third row 48 of terminals 50 is offset from the first row on the opposite side of the first row to the second row.
  • The electric contacts 38,46 in the first housing 22 are electrically connectable with corresponding electric contacts in a housing (not shown) of an electrical connector (not shown) which can mate with the first housing. The electric contacts 40,48 in the second housing 24 are electrically connectable with corresponding electric contacts in a housing (not shown) of an electrical connector (not shown) which can mate with the second housing.
  • Where the control unit 10 is used in a motor vehicle, a first wiring harness can be mated with the first housing 22 and a second wiring harness can be mated with the second housing 24. The terminals 44 provide electrical connections between the first wiring harness and the PCB 14. The terminals 50 provide electrical connections between the second wiring harness and the PCB 14. The terminals 36 provide electrical connections between the first and second wiring harnesses without connecting with the PCB 14. Compared to previously known arrangements, this allows a reduction in size and cost of the PCB 14, and reduces wiring complexity.
  • The terminals 36 of the first row 34 are preferably assembled in the connector 20 by pushing the terminals into suitable apertures 54 in the base wall 28 and extension 32 of the second housing 24 from the rear of the second housing, and then installing the first housing 22 by passing the terminals through suitable apertures 56 in the base wall 26 of the first housing. The terminals 36 of the first row 34 preferably have shoulders 58 to prevent over-insertion of the terminals in the apertures 54 in the second housing 24, and to prevent removal of the terminals after the first housing 22 is in position. The terminals 36 of the first row 34 preferably have teeth 60 which bite into the base wall 28 and extension 32 of the second housing 24 to retain the terminals in the second housing. With this arrangement, the extension 32 of the second housing 24 is positioned in the aperture 30 of the PCB 14 before the first housing 22 is installed. The first and second housings 22,24 may be mounted on the PCB 14 in any suitable manner, such as by a snap fit or using screws.
  • The above described arrangement may be modified by providing an extension on both the base wall of the first housing and the base wall of the second housing, with the extensions abutting in the aperture in the PCB or on one side of the PCB.

Claims (4)

  1. An electrical connector (20) for mounting on a printed circuit board (14) comprising a first housing (22) having a base wall (26) mountable on one side of the printed circuit board; a second housing (24) having a base wall (28) mountable on the other side of the printed circuit board, the base wall of the first housing and/or the second housing having an extension (32) which can be positioned in an aperture (30) in the printed circuit board and engage the other housing; a first row (34) of electrical terminals (36) passing through, and secured in, the base walls and the or each extension to provide electric contacts (38) in the first housing and electric contacts (40) in the second housing; a second row (42) of electrical terminals (44) passing through, and secured in, the base wall of the first housing to provide electric contacts (46) in the first housing connectable with the printed circuit board; and a third row (48) of electrical terminals (50) passing through, and secured in, the base wall of the second housing to provide electric contacts (52) in the second housing connectable with the printed circuit board; wherein the second row is positioned on one side of the first row and the third row is positioned on the opposite side of the first row to the second row.
  2. An electrical connector as claimed in Claim 1, wherein only the base wall (28) of the second housing (24) has an extension (32).
  3. An electrical connector as claimed in Claim 1 or Claim 2, wherein the electrical terminals (36) of the first row (34) have teeth (60) which bite into the base wall (28) of the second housing (24) to secure the terminals in the second housing.
  4. An electrical connector as claimed in any one of Claims 1 to 3, wherein the electrical terminals (36) of the first row (34) have shoulders (58) for substantially preventing removal of the terminals from the first or the second housing (22, 24) after assembly of the electrical connector.
EP19990202563 1998-09-04 1999-08-04 Electrical connector for a PCB Expired - Lifetime EP0984516B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9819227 1998-09-04
GB9819227A GB2341281B (en) 1998-09-04 1998-09-04 Electrical connector for a pcb

Publications (3)

Publication Number Publication Date
EP0984516A2 EP0984516A2 (en) 2000-03-08
EP0984516A3 EP0984516A3 (en) 2002-05-22
EP0984516B1 true EP0984516B1 (en) 2007-10-17

Family

ID=10838294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990202563 Expired - Lifetime EP0984516B1 (en) 1998-09-04 1999-08-04 Electrical connector for a PCB

Country Status (3)

Country Link
EP (1) EP0984516B1 (en)
DE (1) DE69937325T2 (en)
GB (1) GB2341281B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL256604A (en) * 1959-10-08
US4157207A (en) * 1977-06-06 1979-06-05 Robinson Nugent Inc. Socket for electrical circuit board
GB8420472D0 (en) * 1984-08-11 1984-09-12 Molex Inc Stacking connectors
US4912401A (en) * 1989-01-18 1990-03-27 Tektronix, Inc. Connection apparatus for interactively accessing an electronic device in a pin grid array socket
FR2643512B1 (en) * 1989-02-21 1991-06-07 Socapex Amphenol CONNECTION ASSEMBLY BETWEEN A COMMON MULTI-CONDUCTOR BEAM AND A MULTI-CONDUCTOR BYPASS BEAM
FR2670057B1 (en) * 1990-11-30 1993-01-22 Bull Sa CONNECTION SYSTEM FOR REMOVABLE EQUIPMENT.

Also Published As

Publication number Publication date
GB9819227D0 (en) 1998-10-28
GB2341281B (en) 2002-04-10
DE69937325T2 (en) 2008-02-28
GB2341281A (en) 2000-03-08
DE69937325D1 (en) 2007-11-29
EP0984516A2 (en) 2000-03-08
EP0984516A3 (en) 2002-05-22

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