EP1205012A1 - Connecteur electrique enfichable - Google Patents

Connecteur electrique enfichable

Info

Publication number
EP1205012A1
EP1205012A1 EP00963909A EP00963909A EP1205012A1 EP 1205012 A1 EP1205012 A1 EP 1205012A1 EP 00963909 A EP00963909 A EP 00963909A EP 00963909 A EP00963909 A EP 00963909A EP 1205012 A1 EP1205012 A1 EP 1205012A1
Authority
EP
European Patent Office
Prior art keywords
electrical connector
contact
connector according
contact elements
modules
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.)
Withdrawn
Application number
EP00963909A
Other languages
German (de)
English (en)
Inventor
Helge Schmidt
Reinhard Sander
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
Tyco Electronics Logistics 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 Tyco Electronics Logistics AG filed Critical Tyco Electronics Logistics AG
Publication of EP1205012A1 publication Critical patent/EP1205012A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection

Definitions

  • the present invention relates to a device according to the preamble of claim 1, i.e. an electrical connector with a variety of contact elements.
  • the electrical connectors that are used to connect LCD units to the device controlling them may be mentioned.
  • Electrical connectors with pressure contacts are usually used for this, the pressure contacts being realized by a very dense arrangement of conductive elastomer regions in a non-conductive elastomer.
  • the connections that can be made using such electrical connectors are relatively high-resistance and also require extremely clean conditions.
  • Miniature multi-pin connectors are known from WO 95/24748 and WO 96/08056.
  • connectors of this type cannot be reliably controlled in terms of manufacture or handling, and the same applies accordingly to the electrical connections that can be produced by such electrical connectors.
  • the present invention is therefore based on the object of providing a multi-pole miniature plug connector which can be used to reliably produce high-quality electrical connections.
  • the electrical connector contains one or more connector modules, each of which comprises at least one contact carrier and a plurality of contact elements carried by it, and that the contact carriers are movable relative to one another and / or to other components of the electrical connector.
  • FIG. 1 shows a perspective view of connector modules of the electrical connectors described in more detail below
  • FIG. 2 shows a front plan view of a connector plug containing a plurality of plug modules according to FIG. 1,
  • FIG. 3 shows a frontal plan view of a connector coupling containing several coupling modules according to FIG. 1,
  • FIG. 4A shows a cross-sectional view of the plug according to FIG. 2,
  • FIG. 4B shows a cross-sectional view of the coupling according to FIG. 3,
  • FIG. 4C shows a cross-sectional view of an arrangement in which a plug according to FIG. 2 and a coupling according to FIG. 3 are plugged together
  • Figure 5 is a plan view of the underside of a circuit board using BGA technology mountable base of the plug according to Figure 2 or the coupling according to Figure 3, and
  • FIG. 6 shows a plan view of the underside of a modified base of the plug according to FIG. 2 or FIG
  • the electrical connectors described below are PCB connectors. At this point, however, it should be pointed out that there is no restriction. The special features of the electrical connectors described can also be provided for electrical connectors used for other purposes.
  • an electrical connector designed as a plug and an electrical connector designed as a coupling must be plugged together in order to establish an electrical connection.
  • the plug comprises a multiplicity of identical plug modules arranged side by side and / or one above the other.
  • the plug and the coupling can also contain only a single module or several non-identical modules.
  • a connector module and a coupling module are shown in perspective in FIG. 1.
  • the plug module is designated with the reference symbol SM, and the coupling module with the reference symbol KM.
  • the plug module SM can be plugged into the coupling module KM.
  • each connector module (each plug module and each coupling module) comprises 32 contact elements.
  • the number of contact elements can also be arbitrarily much larger or smaller.
  • plug modules SM are arranged one above the other and / or next to one another on a base, which is preferably common to all plug modules, and are surrounded by a common housing, the electrical plug considered in more detail here is obtained.
  • the front view of such an electrical connector is shown in FIG. 2.
  • FIGS. 4A, 4B and 4C show cross sections through the electrical connectors according to FIGS. 2 and 3. More specifically, FIG. 4A shows a cross section through the plug according to FIG. 2, FIG. 4B shows a cross section through the coupling according to FIG. 3, and FIG. 4C the plug according to FIG. 2 and the coupling according to FIG. 3 in the assembled state.
  • the connector shown in FIG. 4A comprises a base 1 (already mentioned above), a housing 2 (also already mentioned above), and one or more connector modules SM, each connector module SM consisting of a contact carrier 3 and a multiplicity of contact elements 4.
  • a single contact carrier 3 is provided for each plug module SM; All contact elements of the respective plug modules are attached to this.
  • any number of contact carriers can be provided for each plug module SM.
  • the contact elements 4 are arranged on the contact carrier 3 carrying them in two mutually opposite rows of contact elements. Although this is currently considered the optimal arrangement, there is no limitation to this.
  • the contact elements 4 are formed by relatively long and relatively narrow metal strips with the highest possible rigidity. In a region 41 lying relatively far to the rear, they have a (preferably multiply) curved or kinking (for example zigzag) course.
  • the contact elements 4 of the plug and / or the coupling furthermore have at least one, but preferably two or more curvatures or equivalent configurations of the contact elements in the front region (the area provided for contacting the contact elements of the coupling or the plug). In the example under consideration, it is the contact elements 4 of the plug which have the said curvatures; these curvatures are identified by reference numeral 42.
  • the bent or kinked region 41 of the contact elements 4 enables the parts of the contact elements lying on either side of this region to be movable relative to one another.
  • the electrical connector When the electrical connector is assembled as intended, it (the area 41) comes to lie in a cavity 11 of the electrical connector which is present between the base 1 and the contact carrier 3 and thereby enables the position of the contact elements, more precisely the position of the these connector modules can also be varied and / or changed to a certain extent even in the assembled state of the plug compared to the intended normal position both in the longitudinal direction and transversely to the longitudinal direction of the contact elements 4. This proves both in the manufacture of the electrical connector as well as its use as an advantage.
  • the curvatures 42 form resilient contact points via which the contact elements 4 of the plug come into contact with the contact elements of the coupling. If, as in the example under consideration, several bulges or the like are provided per contact element, the contact elements in question can come into contact with the contact elements to be contacted at several points, i.e. they are multiple contact elements by means of which particularly good and reliable connections to other contact elements can be established ,
  • the contact elements 4 are each arranged running along the surface of the contact carriers 3 carrying them and are held in their intended position on the respective contact carrier 3 by a partial encapsulation thereof with plastic.
  • the contact carriers 3 are formed by strips which, at the points where the contact elements 4 are to come to rest, i.e. are provided on opposite longitudinal sides with groove-like recesses 31.
  • the contact elements 4 When the contact elements 4 are mounted on the contact carrier 3, the contact elements 4 are inserted into the groove-like recesses 31 and then fastened to the contact carrier by overmolding the rear end of the relevant contact carrier 3 and the contact element parts located there.
  • the contact elements 4 are then attached to the contact carrier 3 in such a way that their front end ends a little in front of the front end of the contact carrier 3 and that their rear end including the bent or bent design Reichs 41 protrudes beyond the rear end of the contact carrier 3.
  • the non-overmolded areas of the parts of the contact elements arranged in the groove-like recesses 31 of the contact carrier 3 are not fastened to the contact carrier 3 in the example under consideration.
  • the contact elements are, however, designed and molded onto the contact carrier in such a way that the parts of the same which run through the groove-like recesses 31 and are not extrusion-coated press resiliently against the bottom of the recess 31 through which they pass. In this way it is ensured that the contact elements - although they are only attached to the contact carriers at a single point in each case - cannot or at least cannot leave the groove-like recesses without further ado.
  • the contact elements By designing and assembling the contact elements as described, they can be reliably held in their intended position even if they are very small and / or weak, and / or even if they would be mechanically loaded.
  • the contact carrier 3 Due to the above-mentioned extrusion coating of the contact carrier 3, the latter is provided with a collar 32 at its rear end.
  • This collar can, as will be described in more detail later, be used for mounting the contact carrier (the plug modules containing the contact carrier) within the plug.
  • the plug module does not become larger than would be the case without such a connection.
  • this is chamfered at its front (contact element-free) end. This serves to center the mutually assigned plug and coupling modules when the plug and coupling are plugged together.
  • the housing 2 is connected to the base 1, for example, by an adhesive connection, a snap-in connection or another connection. This forms a coherent unit from the base 1, the housing 2, and the plug modules SM.
  • the side walls 22 of the housing 2 run around the area of the plug containing the plug modules SM. They protrude beyond the front ends of the connector modules.
  • the front end of the side housing walls 22 is provided with a bevel 23 on the inside. This slope is used to center the connector housing and the connector housing when the connector and connector are plugged together.
  • the coupling with which the connector constructed and manufactured as described is to be connected is constructed differently in the example under consideration and is manufactured differently than the connector.
  • the coupling comprises a base 6, a housing 7, and a plurality of coupling modules KM, each coupling module KM consisting of a contact carrier 8 and a multiplicity of contact elements 9.
  • a single contact carrier 8 is provided for each coupling module KM; all contact elements 9 of the respective coupling modules are attached to this.
  • any number of contact carriers 8 can be provided per coupling module KM. , rh
  • the contact elements 9 are each arranged running along the surface of the contact carriers 8 carrying them. In this case, however, the contact carrier 8 is injection molded onto the contact elements previously arranged and aligned as intended (inserted into an injection mold). The injection molding of the contact carrier 8 onto the contact elements 9 is for the contact elements 9 a partial injection molding of the same with plastic. As a result of this encapsulation, the contact elements are fastened to the contact carrier 8 formed by the encapsulation over the entire length of the part thereof running along the contact carrier 8.
  • the contact carriers 8 are sleeves with a rectangular cross section, which are provided on two mutually facing inner sides with a row of contact elements 9 each, and have a collar 82 running around the contact carrier 8 at their rear end.
  • the contact elements 9 are arranged on the contact carrier 8 in such a way that their front end ends a little in front of the front end of the contact carrier 8 and that the rear end thereof, including the bent or bent region 81, projects beyond the rear end of the contact carrier 8.
  • the part of the contact elements that runs along the surface of the contact carrier 8 is connected to the contact carrier 8 over its entire length in the example considered.
  • the contact elements 9 can be reliably held in their intended position even if they are made very small and / or weak and even if they would be mechanically stressed.
  • a contact carrier 8 and the contact elements 9 provided thereon as just described form a coupling module KM of the type shown in FIG.
  • the contact carrier 8 is chamfered at its front (contact element-free) end on the inner edge. This serves to center the mutually assigned plug and coupling modules when the plug and coupling are plugged together.
  • the base 6 is a plate-like structure which is designed at the top for placing a plurality of coupling modules KM and the housing 2, and which is at the bottom for soldering the rear ends of the contact elements 9 to the base 6 and for mounting the base 6 onto one in the Figures not shown circuit board is formed.
  • the base 6 has a multiplicity of holes provided in the base for pushing through the rear ends of the contact elements 9.
  • the top of the base base is also provided with the recesses which form the cavities 61 already mentioned in the fully assembled state of the coupling.
  • the rear ends of the contact elements 9 are inserted through the holes provided in the base base and soldered to the bottom of the base base with this or with elements provided for connecting the base to the printed circuit board or in some other way electrically and / or mechanically connected.
  • the bent or kinked regions 91 of the contact elements 9 come to lie in the recesses of the base forming the cavities 61 of the coupling.
  • the housing 7 is a profile element which has a rectangular cross section and is open at the top and bottom with an inner region divided by intermediate walls 72 running parallel to the outer walls 71.
  • each channel can accommodate a coupling module.
  • the coupling modules When placed on the base and the housing, the coupling modules are individually encircled by the outer and intermediate walls 7 * 1.72 of the housing 7.
  • the outer and intermediate walls 71 and 72 have projections 711 and 721 protruding into the channels, which come to rest just above the collar 82 of the coupling modules KM in the assembled state of the coupling;
  • the collars 82 of the coupling modules come to lie between the base 6 and the housing 7 in the assembled state of the coupling, as shown by way of example in FIG. 4B.
  • the housing 7 is, for example, by an adhesive connection, a snap connection or some other connection to the
  • Socket 6 connected.
  • a coherent unit is formed from the base 6, the housing 7, and the coupling modules KM.
  • the clutch modules of the clutch are individually rotated by the walls 71 and 72 of the housing 7.
  • the housing parts surrounding the coupling modules protrude beyond the front ends of the coupling modules.
  • the front end of the outer walls 71 of the housing 7 are provided with a bevel 712 on the outer sides. This slope is used to center the connector housing and the connector housing when the connector and connector are plugged together.
  • the front ends of the housings 2 and 7 meet first, because at least one of the housings, but preferably both housings, protrude beyond the front ends of the plug and / or coupling modules. Due to the bevels 23 and 712 provided at the front ends of the housings, these are centered relative to one another and can thus be easily stacked ben. In the example under consideration, the connector housing is pushed over the coupling housing. When the housings 2 and 7 meet, the connector modules and the coupling modules are still a little apart. The sliding together of the housings 2 and 7 can thus - without any forces acting on the plug modules and the coupling modules - cause them to be pre-centered.
  • the plug and coupling modules assigned to one another sooner or later meet. Because these are also beveled at their front ends, and because they are also pre-centered, they can be plugged into one another essentially without mechanical stress.
  • this is additionally promoted by the fact that the plug modules and / or the coupling modules can be moved relative to one another and / or relative to the respective housings and / or bases.
  • plug modules are "only” attached to the plug in that a predetermined part of the plug modules (in the example considered the collar 32) is held more or less loosely between the base 1 and the housing 2 (between the collar 32 and those surrounding it Parts of the base 1 and the housing 2 are gaps which allow movements of the relevant plug module to a certain extent even in the assembled state of the plug), and
  • the contact elements 4 have a bent or kinked area (the area 41), which is present in an area between the base 1 and the housing 2 Cavity (the cavity 11) comes to rest and thus allows relative movements of the contact element parts lying on both sides of the area 41 to a certain extent even in the assembled state of the plug.
  • the connector modules can move at least slightly relative to one another and / or relative to the other connector components.
  • the coupling modules are "only” attached to the coupling in that a predetermined part of the coupling modules (in the example considered the collar 82) is held more or * less loosely between the base 6 and the housing 7 (between the collar 82 and the parts of the base 6 and the housing 7 surrounding these, there are gaps which, to a certain extent, allow the relevant coupling module to move even when the coupling is assembled), and
  • the contact elements 9 have a bent or kinked area (the area 91), which comes to rest in a cavity between the base 6 and the housing 7 (the cavity 61) and thus also in a certain extent in the assembled state of the coupling The extent of relative movements of the contact element parts located on either side of this area 91 is permitted.
  • the clutch modules can also move at least slightly relative to one another and / or relative to the other clutch components.
  • the connector modules and the coupling modules are optimally aligned with each other under all circumstances, which means that they can always be connected as intended, automatically and without or in any case without significant mechanical stress on the modules and the connectors containing them. This is the case even if the components of the connectors and the couplings are not manufactured and / or assembled exactly according to regulations and / or their position and / or their dimensions change (for example due to slight damage or temperature fluctuations).
  • each connector contact element 4 comes into contact with the associated coupling contact element 9 at several points. This enables the highest quality electrical connections to be made.
  • the coupling contact elements 9 come to lie in the groove-like recesses 31 of the plug modules during connection to the plug contact elements 4;
  • the webs of the contact carriers 3 of the plug which are present between the adjacent groove-like recesses 31, extend in the plugged-together state of the plug and coupling to the contact carrier 8 of the coupling and thus separate (isolate) adjacent pairs of contact elements from one another.
  • Adjacent contact elements of the plug and coupling modules cannot influence each other as a result. In particular, no leakage currents can flow.
  • Plugs and couplings constructed as described can be plugged together and disconnected essentially without risk of damage and, under all circumstances, excellent electrical connections can be made.
  • the connections are low-resistance, tolerate high voltages and high currents, and are relatively insensitive to changing or unfavorable environmental influences such as extreme and / or fluctuating temperatures, vibrations, moisture, dirt, etc.
  • the properties mentioned are independent of the size and contact density of the electrical connectors constructed and manufactured as described.
  • the electrical connectors described can thus be made very small and / or with a high contact density with essentially the same excellent properties.
  • Dielectric strength of neighboring contacts 650 V for direct current 750 V for alternating current
  • the electrical connectors For the connection of the electrical connectors to the circuit board carrying them, it should be noted that the electrical connectors, more precisely their bases, for example using the so-called BGA (ball grid array) - or PSGA (plastic stud grid array) - Technology can be mounted on printed circuit boards.
  • BGA ball grid array
  • PSGA plastic stud grid array
  • the balls can be arranged directly at the points at which the contact element parts guided through the base reach the bottom of the base, or more or less far away therefrom.
  • the balls are arranged directly at the points at which the contact elements reach the underside of the base, these points are preferably positioned such that they (and the balls to be placed thereon) have certain minimum distances from one another.
  • the locations at which the contact elements reach the base underside are then no longer arranged in two opposite rows like the contact elements on the contact carriers, but for example in two mutually opposite double rows, each consisting of two (in the example under consideration by half a distance, which have adjacent row elements) staggered single rows.
  • FIG. 6 The locations at which the contact elements reach the bottom of the base are again identified by reference number 15, and the balls are again identified by reference number 16.
  • Balls 16 lie on locations 15, which means that, in contrast to the base according to FIG. 5, no conductors - Lanes are more required to connect them.
  • the measures mentioned can in both cases, that is, both when the balls are arranged directly at the points at which the contact element parts guided through the base reach the bottom of the base, and when the balls are more or less far from these locations are arranged, in all circumstances (in particular regardless of the contact element density of the respective connector modules) it is ensured that the balls are spaced as far apart as is necessary for the practical application of the BGA technology.
  • leading or lagging contacts, double contacts and power contacts can also be implemented with plugs and couplings of the type described above.
  • Electrical connectors constructed as described can be designed as multi-pole miniature connectors, with which high-quality electrical connections can be reliably established.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un connecteur électrique enfichable qui se caractérise par le fait qu'il contient au moins un module de connexion comportant au moins un support de contacts et une pluralité d'éléments de contact portés par celui-ci, et que les supports de contact peuvent être déplacés les uns par rapport aux autres et/ou par rapport à d'autres composants du connecteur enfichable électrique. Un connecteur électrique de cette structure peut se présenter sous la forme d'un connecteur enfichable miniature à nombreux pôles, avec lequel on peut établir des connexions électriques d'un degré de fiabilité et de qualité élevé.
EP00963909A 1999-08-20 2000-08-18 Connecteur electrique enfichable Withdrawn EP1205012A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1999139585 DE19939585A1 (de) 1999-08-20 1999-08-20 Elektrischer Steckverbinder
DE19939585 1999-08-20
PCT/DE2000/002848 WO2001015281A1 (fr) 1999-08-20 2000-08-18 Connecteur electrique enfichable

Publications (1)

Publication Number Publication Date
EP1205012A1 true EP1205012A1 (fr) 2002-05-15

Family

ID=7919081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00963909A Withdrawn EP1205012A1 (fr) 1999-08-20 2000-08-18 Connecteur electrique enfichable

Country Status (5)

Country Link
EP (1) EP1205012A1 (fr)
AU (1) AU7505400A (fr)
CA (1) CA2382420A1 (fr)
DE (1) DE19939585A1 (fr)
WO (1) WO2001015281A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004026792B4 (de) * 2004-06-02 2008-12-24 Continental Automotive Gmbh Körpervorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0616432B2 (ja) * 1983-11-23 1994-03-02 ノツシエス，ロツコ 独立した接点セグメントを有する回路盤コネクタ装置
US4998887A (en) * 1990-06-25 1991-03-12 Amp Incorporated Pin header connector
JP2552225B2 (ja) * 1992-07-16 1996-11-06 モレックス インコーポレーテッド フローティングタイプの電気コネクタ
TW247376B (en) * 1994-03-11 1995-05-11 W Crane Stanford Jr High-density electrical interconnect system
US5702255A (en) * 1995-11-03 1997-12-30 Advanced Interconnections Corporation Ball grid array socket assembly
EP0924806B1 (fr) * 1997-12-17 2004-04-07 Fci Connecteur avec bornes flottants et borne pour un tel connecteur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0115281A1 *

Also Published As

Publication number Publication date
CA2382420A1 (fr) 2001-03-01
AU7505400A (en) 2001-03-19
DE19939585A1 (de) 2001-04-12
WO2001015281A1 (fr) 2001-03-01

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