EP0735623A2 - Connecteur électrique - Google Patents

Connecteur électrique Download PDF

Info

Publication number
EP0735623A2
EP0735623A2 EP96103345A EP96103345A EP0735623A2 EP 0735623 A2 EP0735623 A2 EP 0735623A2 EP 96103345 A EP96103345 A EP 96103345A EP 96103345 A EP96103345 A EP 96103345A EP 0735623 A2 EP0735623 A2 EP 0735623A2
Authority
EP
European Patent Office
Prior art keywords
electrical connector
devices
circuit board
connector according
contacting
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
EP96103345A
Other languages
German (de)
English (en)
Other versions
EP0735623B1 (fr
EP0735623A3 (fr
Inventor
Jacques Longueville
Peter Pagnin
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.)
TE Connectivity Solutions GmbH
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0735623A2 publication Critical patent/EP0735623A2/fr
Publication of EP0735623A3 publication Critical patent/EP0735623A3/fr
Application granted granted Critical
Publication of EP0735623B1 publication Critical patent/EP0735623B1/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
    • 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
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/87—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting automatically by insertion of rigid printed or like structures
    • 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
    • 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
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/88—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by rotating or pivoting connector housing parts
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits

Definitions

  • the present invention relates to an electrical connector with contacting devices for making electrical contact with contacting devices of external connections, and with devices or auxiliary devices for holding the electrical connector in a connecting position in which the contacting devices of the electrical connector are electrically connected to the contacting devices of the external connections are.
  • the channels to be transmitted are only routed over every second contact, while the contacts between them are grounded.
  • the increased number of ground connections means that the number of poles of the electrical connector has to be increased drastically and thus the size and handling of the electrical connector are also negatively influenced.
  • a shielding element is inserted between the vertical connection rows of a female connector such that only three rows of the five available contact rows can be used for signals, while two rows are connected to ground.
  • EP 0 486 298 A1 discloses a connector arrangement in which ground contacts are arranged offset by half a division between signal contacts, so that the signal contacts are surrounded by ground contacts when plugged in.
  • Actuating aids are available which reduce the effort required by the operator, but the forces which are now to be applied are increasingly no longer manageable by them.
  • the actuating aids and stiffening rails which are to be trained more and more strongly, are increasingly cumbersome to handle and, moreover, cause considerable additional costs in the production and maintenance of the electrical connection and the components to be connected.
  • the present invention is therefore based on the object of developing an electrical connector according to the preamble of claim 1 in such a way that the force to be exerted when establishing and releasing an electrical connection can be reduced to a minimum.
  • the contacting devices of the electrical connector and the devices or the auxiliary devices for holding the electrical connector in the connected position are provided separately from one another.
  • the elements which effect the electrical connection and the mechanical holding in the connecting position are completely separated from one another.
  • the electrical connector according to the invention thus opens up the possibility of a reliable and secure electrical connection and at the same time reduce the force to be exerted when establishing and releasing an electrical connection to a minimum.
  • Figure 1 shows a schematic cross-sectional view of an embodiment of an electrical connector according to the invention in the connected state.
  • the electrical connector 1 shown in FIG. 1 is used in the exemplary embodiment described as a circuit board connector element for connecting the surface of a rear wall circuit board 2 and the surface of an assembly circuit board 3, with the assembly circuit board 3 in the connected state with the interposition of the electrical connector 1 the surface of the rear wall circuit board 2 is attached.
  • the electrical connector 1 is placed symmetrically around a contacting section of the assembly circuit board 3.
  • Each of the symmetrical halves (upper and lower halves according to FIG. 1) has a layered structure or sandwich structure.
  • One symmetrical half ie the upper half according to FIG. 1, consists of a base 11a located in the center of the electrical connector 1, an outer cover 12a, and a middle piece 13a lying between the base and the cover.
  • the other symmetrical half ie the lower half according to FIG. 1, consists of a base 11b located in the center of the electrical connector 1, an outer cover 12b and a middle piece 13b lying between the base and the cover.
  • the center pieces 13a, 13b have any number of cutouts for forming channels 14 both on their side facing the covers 12a, 12b and on their side facing the bottoms 11a, 11b.
  • connection devices 15 for electrical contacting and connection of backplane and assembly circuit board run.
  • Figure 2 is a perspective view of the top half of the electrical connector shown in Figure 1 and Figure 3 is an exploded view of the top half of the electrical connector shown in Figure 1.
  • FIGS. 2 and 3 show how the channels 14 corresponding to the cutouts in the middle piece 13a for receiving the connecting devices 15 are formed by placing the bottom 11a, the middle piece 13a and the cover 12a on top of one another.
  • the channels are formed by a bottom and a lid are placed under or on a center piece in which the channels have exactly corresponding recesses, the surfaces of which face the center piece are substantially flat are trained.
  • the cover and / or the bottom could also be provided with cutouts on the sides facing the middle piece.
  • the middle piece and the cover or the bottom would then have to be assembled such that respective cutouts in the two connector components come to lie one above the other.
  • Such a channel formation has the advantage that the middle piece can be made thinner with the same stability or can be made more stable with the same thickness and, moreover, is easier to manufacture because of the less deep recesses.
  • Another possibility for forming the channels is that again only the middle piece has cutouts, but the cover is provided with projections which protrude into the cutouts when the electrical connector is assembled.
  • This possibility of channel formation has the advantage that the assembly of the electrical connector is facilitated and the precision that can be achieved can be increased.
  • the connecting devices 15 adapted to the course of the channel are inserted or suspended in the channels 14.
  • Each of the connecting devices 15 is provided with two brackets 16a, 16b which, when the electrical connector is assembled, prevent the connecting device from moving along the channel. Nevertheless, as will be described in more detail, is a movement of the respective End sections of the connecting devices possible, even desirable.
  • brackets 16a, 16b and also the fact that the connecting device 15 is designed here as a thin resilient strip make it possible, as can be clearly seen in FIG. 8, which will be explained later, for the connecting devices 15 at their respective ends in the state of the electrical connector not connected to a respective circuit board are elastically pushed out of the connector to a certain extent, while, as can be seen from FIG. 1, they are pressed back into the electrical connector in a state of the electrical connector connected to a respective circuit board. In the latter state, the connecting device 15 exerts a pressure force which acts essentially frontally on the respective printed circuit board, which, as will be described in more detail, has a not inconsiderable importance for the reliability of the contacting to be accomplished.
  • the connecting devices 15 serve to establish an electrical connection between contacting devices of the rear wall and the assembly circuit board. Accordingly, the connecting devices are, on the one hand, good electrical conductors and, on the other hand, they are configured at their ends as contacting devices, each with a contact surface that enables electrical contacting.
  • the rear wall circuit board 2 has contact pads 21 on its surface as contacting devices, which are preferably gold-plated for the purpose of improved contacting.
  • the assembly circuit board 3 has contacting devices both on its upper side and contact pads 31 corresponding to the contact pads 21 on their underside.
  • the electrical connection of the rear wall circuit board 2 to the electrical connector 1 and the electrical connection of the assembly circuit board 3 to the electrical connector 1 is brought about by pressing the contacting devices of the electrical connector onto the contact pads 21 and 31 of the respective circuit board.
  • the connecting devices 15 designed as resilient strips 15 are, as already mentioned above, deflected out of their rest position when the electrical connector is brought into the connected state and pushed back into the channel.
  • FIG. 4 shows the connection state between the electrical connector 1 and the assembly circuit board 3.
  • the connection device is deflected from the rest position indicated by dashed lines in FIG. 4 and exerts on the assembly circuit board 3, more precisely on the associated one Contact spot on the assembly circuit board from a pressing force.
  • connection device 15 protrudes from the surface of the electrical connector facing the assembly circuit board 3.
  • the connecting device 15 is pressed back into the channel 14 against its spring force.
  • the movement of the connecting device 15, which is permitted by the brackets 16a, 16b and takes place relative to the walls of the channel 14, is advantageously designed such that the distance between the connecting device 15 and the impedance-determining wall of the channel remains constant.
  • FIGS. 5A and 5B are sectional views of the electrical connector seen from the direction of the arrows shown in FIG. 4.
  • FIG. 5A shows the electrical connector in the state not connected to the assembly circuit board 3.
  • FIG. 5B shows the electrical connector in the state connected to the assembly circuit board 3.
  • the connecting device 15 assumes different positions within the channel 14 in the respective states.
  • these different positions are chosen such that the distance of the connecting device 15 from the impedance-determining wall of the channel, which in the present exemplary embodiment is the left wall of the channel according to FIGS. 5A and 5B, is constant when the position of the connecting device 15 changes within the channel 14 (Constantly equal to v in the exemplary embodiment shown) remains.
  • Such a defined movement of the connecting device 15 within the channel 14 has the advantage that even if the connecting device is displaced to different extents within the channel as a result of the contacting devices not being processed exactly identically, the desired impedance is always obtained for all connecting devices can be.
  • a desired impedance value of the electrical connector can be set extremely simply and even before the electrical connector is installed in a device.
  • the rear wall circuit board 2 and the assembly circuit board 3 can have wall-shaped elevations, not shown in the figures, around the contact pads 21 and 31. These elevations are made of dielectric material, for example by spraying on plastic, and are used to guide the contact surfaces of the contacting devices of the electrical connector exactly onto the contact surfaces of the contacting devices of the respective printed circuit boards and to permanently secure them in this position by the elevation, which is precisely defined hold. A safe electrical contact can thus always be obtained even when using inaccurately manufactured printed circuit boards and / or electrical connectors.
  • the connecting devices 15 in the connected state are guided continuously in channels 14 closed on all sides over the entire distance from the rear wall circuit board 2 to the assembly circuit board 3.
  • the housing of the electrical connector is connected to ground via additional contact areas on at least one of the printed circuit boards to be contacted, preferably with the interposition of contact strips shown in FIGS. 6A to 6C between the respective printed circuit board and the electrically conductive connector housing.
  • the embodiments of the contact strip according to FIGS. 6A and 6B have in common that they have, in high density, wave-like deformations with resilient properties which, in the compressed state, endeavor to return to their rest position.
  • the electrical connection of the electrical connector to the respective printed circuit boards takes place by means of an indirect or direct, essentially frontal pressing of the contact surfaces for the useful signals and the ground connection, which are essentially parallel to one another both in the not yet connected state and in the connected state .
  • FIG. 7 A perspective view of these guide and holding walls 22 with the locking devices 23 is shown in FIG. 7.
  • the force is applied by the respective contacting devices of the external connections or by auxiliary elements arranged at any point.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP96103345A 1995-03-29 1996-03-04 Connecteur électrique Expired - Lifetime EP0735623B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19511508 1995-03-29
DE19511508A DE19511508C2 (de) 1995-03-29 1995-03-29 Elektrischer Leiterplattenverbinder

Publications (3)

Publication Number Publication Date
EP0735623A2 true EP0735623A2 (fr) 1996-10-02
EP0735623A3 EP0735623A3 (fr) 1998-04-22
EP0735623B1 EP0735623B1 (fr) 2002-06-05

Family

ID=7758047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103345A Expired - Lifetime EP0735623B1 (fr) 1995-03-29 1996-03-04 Connecteur électrique

Country Status (5)

Country Link
US (1) US5823823A (fr)
EP (1) EP0735623B1 (fr)
JP (1) JP2751107B2 (fr)
AT (1) ATE218762T1 (fr)
DE (2) DE19511508C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2634865A3 (fr) * 2012-03-02 2014-05-21 Robert Bosch GmbH Connecteur pour la connexion d'un circuit imprimé avec des conducteurs électriques

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725966C1 (de) * 1997-06-19 1998-12-17 Harting Kgaa Steckverbinder für Kartenrandmontage
DE19742400C2 (de) * 1997-09-25 2002-01-10 Tyco Electronics Logistics Ag Leiterplatten-Nullkraftsteckverbinder
US6483329B1 (en) * 2000-08-28 2002-11-19 Micron Technology, Inc. Test system, test contactor, and test method for electronic modules
US6489794B1 (en) * 2000-08-31 2002-12-03 Micron Technology, Inc. High speed pass through test system and test method for electronic modules
US6447317B1 (en) * 2001-07-11 2002-09-10 Hon Hai Precision Ind. Co., Ltd. Backplane connector
US6454586B1 (en) * 2001-08-17 2002-09-24 Hon Hai Precision Ind. Co., Ltd. Connector having moveable insert
US6575791B1 (en) * 2002-03-11 2003-06-10 Hon Hai Precision Ind. Co., Ltd. Electrical connector providing reliable electrical interconnection with mated devices
US6695646B1 (en) * 2002-10-18 2004-02-24 Hon Hai Precision Ind. Co., Ltd. Electrical connector having floatable chicklets
DE102008054996A1 (de) * 2008-12-19 2010-07-01 Robert Bosch Gmbh Kontaktierungsstecker sowie Kontaktierungssteckverbindung
CN101847793B (zh) * 2010-04-20 2013-01-23 番禺得意精密电子工业有限公司 电连接器及其与电路板的组装方法
JP5601215B2 (ja) * 2011-01-19 2014-10-08 株式会社デンソー 電子装置
US8888519B2 (en) 2012-05-31 2014-11-18 Cinch Connectivity Solutions, Inc. Modular RF connector system
JP5729366B2 (ja) * 2012-10-24 2015-06-03 株式会社デンソー 電子装置
JP6283202B2 (ja) * 2013-11-08 2018-02-21 タイコエレクトロニクスジャパン合同会社 カードエッジコネクタ
US10062990B1 (en) * 2017-05-25 2018-08-28 Valeo North America, Inc. Connector with locking teeth
US10559920B1 (en) 2018-08-07 2020-02-11 Te Connectivity Corporation Card edge connector having improved mating interface

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130351A (en) * 1961-09-14 1964-04-21 George J Giel Modular circuitry apparatus
EP0273589A1 (fr) * 1986-12-22 1988-07-06 The Whitaker Corporation Connecteur coaxial à haute densité
US4904197A (en) * 1989-01-13 1990-02-27 Itt Corporation High density zif edge card connector
US5160275A (en) * 1990-09-06 1992-11-03 Hirose Electric Co., Ltd. Electrical connector for circuit boards

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110092A (fr) * 1974-02-12 1975-08-29
DE3014172C2 (de) * 1980-04-14 1983-12-15 Nixdorf Computer Ag, 4790 Paderborn Elektrische Verbindungseinrichtung
JPH01122284U (fr) * 1988-02-15 1989-08-18
GB8928777D0 (en) * 1989-12-20 1990-02-28 Amp Holland Sheilded backplane connector
JP2739608B2 (ja) * 1990-11-15 1998-04-15 日本エー・エム・ピー株式会社 信号伝送用マルチコンタクト型コネクタ
JPH04345777A (ja) * 1991-05-23 1992-12-01 Nec Corp コネクタ
JP2588669Y2 (ja) * 1992-07-21 1999-01-13 ヒロセ電機株式会社 モジュール基板を零挿抜力にて挿抜できる電気コネクタ
US5295852A (en) * 1993-07-12 1994-03-22 The Whitaker Corporation Coplanar computer docking system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130351A (en) * 1961-09-14 1964-04-21 George J Giel Modular circuitry apparatus
EP0273589A1 (fr) * 1986-12-22 1988-07-06 The Whitaker Corporation Connecteur coaxial à haute densité
US4904197A (en) * 1989-01-13 1990-02-27 Itt Corporation High density zif edge card connector
US5160275A (en) * 1990-09-06 1992-11-03 Hirose Electric Co., Ltd. Electrical connector for circuit boards

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2634865A3 (fr) * 2012-03-02 2014-05-21 Robert Bosch GmbH Connecteur pour la connexion d'un circuit imprimé avec des conducteurs électriques

Also Published As

Publication number Publication date
DE19511508C2 (de) 1998-07-09
ATE218762T1 (de) 2002-06-15
DE19511508A1 (de) 1996-10-02
JP2751107B2 (ja) 1998-05-18
JPH08273775A (ja) 1996-10-18
US5823823A (en) 1998-10-20
EP0735623B1 (fr) 2002-06-05
EP0735623A3 (fr) 1998-04-22
DE59609280D1 (de) 2002-07-11

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