EP1041683B1 - Niederspannungsteckverbinder - Google Patents

Niederspannungsteckverbinder Download PDF

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Publication number
EP1041683B1
EP1041683B1 EP00400725A EP00400725A EP1041683B1 EP 1041683 B1 EP1041683 B1 EP 1041683B1 EP 00400725 A EP00400725 A EP 00400725A EP 00400725 A EP00400725 A EP 00400725A EP 1041683 B1 EP1041683 B1 EP 1041683B1
Authority
EP
European Patent Office
Prior art keywords
male connector
printed circuit
contact
flexible
pins
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
EP00400725A
Other languages
English (en)
French (fr)
Other versions
EP1041683A1 (de
Inventor
Jacques Nozick
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.)
Infra and SA
Infra SA
Original Assignee
Infra and SA
Infra SA
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 Infra and SA, Infra SA filed Critical Infra and SA
Publication of EP1041683A1 publication Critical patent/EP1041683A1/de
Application granted granted Critical
Publication of EP1041683B1 publication Critical patent/EP1041683B1/de
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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6464—Means for preventing cross-talk by adding capacitive elements
    • H01R13/6466—Means for preventing cross-talk by adding capacitive elements on substrates, e.g. printed circuit boards [PCB]
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6467—Means for preventing cross-talk by cross-over of signal conductors
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot

Definitions

  • the present invention relates to a low-voltage male connector intended to be plugged into a low-voltage female connector comprising a plurality of flexible pins intended to come into contact with the male connector in order to establish an electrical contact between them.
  • the type of connector particularly concerned by the present invention is often referred to by the term RJ45 which is frequently found in the field of computer, telephone and other connections. using low voltage currents.
  • the RJ45-type male connector is known to receive a cord consisting of four pairs of twisted wires which are fixed on respective insulation displacement contacts of the RJ45 male connector. Therefore, the RJ45 male connector is made with eight insulation displacement contacts each having a tip on which a respective conductor wire can be planted so as to incise its insulating sheath to make contact with the core of the wire.
  • the RJ45 male connector was designed to receive ribbon cables of parallel conductors to be pierced by insulation displacement contacts of the same pitch. Subsequently, the parallel ribbon conductors due to poor crosstalk between the wires have been replaced by twisted pairs mentioned above. However, the use of twisted pairs makes the connection of cables much more difficult since it is necessary to manually place the pairs in the RJ45 connector.
  • the electrical contact between the male connector and the female connector equipped with flexible contact pins can be made directly on the insulating contacts aligned in a sheet like the conductive wires, or on pins which are electrically connected to the insulation displacement contacts and have a contact zone. adapted to come into contact with the flexible pins of the female connector.
  • the pitch of the contacts of the male connector must be identical to that of the female connector with standardized intervals (ISO 88 77). If we now want to use pairs whose son are larger, there is a gap between insulation displacement contacts and son making impossible connection.
  • the contacts since the contacts must have a very tight pitch, it creates inductive couplings that it becomes essential to compensate in terms of crosstalk by judiciously crossing the pins of the male connector that make the connection between the insulation displacement contacts and the flexible pins of the female connector. Therefore, the very design of the RJ45 connector especially at the pins that make the contact between the insulation displacement contacts and the pins of the female connector is particularly complicated to produce and to mount, which induces a high manufacturing cost.
  • EP-0 899 833 (D1) describes a jack plug consisting of two nestable boxes and containing a blade holder on which are mounted eight blades. At one of their ends, the blades form contacts at the housing, while at their other ends on the housing side, they form insulation displacement contacts (ADC).
  • ADC insulation displacement contacts
  • EP-0 901 201 discloses a connector in which a printed circuit board is provided with pins with insulation displacement contacts (ADC).
  • the printed circuit is further provided with contact pins on which the electrical contact is made.
  • the circuit serves as conductive tracks to reduce crosstalk, but no electrical contacts.
  • the connector in the document D1 is a male connector with rigid contacts
  • the connector in the document D2 is a female connector with flexible contacts.
  • the present invention aims to overcome the disadvantages of the aforementioned prior art by defining a low-voltage male connector with reduced inductive coupling, which can accommodate relatively large section son and whose implementation is extremely simple.
  • the present invention proposes a low-voltage male connector intended to be plugged into a low-voltage female connector comprising a plurality of flexible pins intended to come into contact with said male connector in order to establish an electrical contact between them, said male connector comprising insulation displacement contacts each for receiving a conducting wire, the electrical connection between the flexible pins of the female connector and the insulation displacement contacts being made by a printed circuit comprising conductive tracks each connecting an insulation displacement contact to a respective pin.
  • the electrical contact with the flexible pins of the female connector is therefore established directly on the printed circuit, and not on pins reported, as is the case in the document EP-0 901 201.
  • a printed circuit is particularly advantageous because it allows easy crossing of the conductive tracks that are conventionally made in an RJ45 connector by crossing the contact pins of the male connector.
  • the crossings of tracks can simply be achieved by means of passing the tracks from one conductive plane to the other of the printed circuit.
  • the contacts are very tight, it creates inductive couplings that can easily compensate for a crosstalk term by means of an improved circuit by providing inductive and capacitive elements to compensate for crosstalk.
  • the printed circuit thus offers the advantage of being able to cross the tracks easily and to be able to easily produce elements allowing inductive coupling compensation.
  • the printed circuit can serve as a support for fixing the insulation displacement contacts.
  • it is easy to distribute the insulation displacement contacts on the printed circuit to facilitate wiring.
  • the printed circuit comprises contact areas intended to come into sliding contact with the flexible pins as the male connector is plugged into the female connector whose flexible pins flex and change. orientation, said zones being provided on a rounded or bent part of the printed circuit.
  • the printed circuit advantageously serves as a point of electrical contact with the flexible pins of the female connector. It should be known that the flexible pins of the female connector effect a change of orientation in the space of about 15 ° when plugging the male connector to ensure electrical contact by an elastic mechanical action of the female pins on the pins. contact areas of the male connector. Thus, the point of contact between the pins of the female connector and the contact areas of the male connector is a sliding contact.
  • the contact point of the female pins with the contact areas of the male connector be rounded to provide a surface quality reducing the 'abrasion. Consequently, the contact point of the flexible pins of the female connector moves during insertion on this rounded surface defined by the contact areas of the printed circuit. By providing these rounded contact areas directly at the level of the printed circuit, an additional piece performing this function is eliminated.
  • the printed circuit comprises a rigid substrate, said rounded portion being formed on an edge of said substrate, for example by forming or stamping.
  • the printed circuit comprises a rigid substrate, said bent portion being made by folding the substrate substantially at an edge. The rigid substrate of the printed circuit then not only fulfills an electrical function, but also a sliding contact mechanical function.
  • the printed circuit comprises a rigid substrate and a flexible sheet, said rounded or bent portion being formed by a curvature of said flexible sheet.
  • the flexibility of the sheet is used here to create this rounded part.
  • the flexible sheet comprises an additional track in electrical contact with a ground continuity element intended to come into electrical contact with a ground terminal located in the female connector.
  • the printed circuit is provided at said contact areas with a guide member, advantageously in the form of a comb, for guiding the flexible pins on said contact areas.
  • a guide member advantageously in the form of a comb, for guiding the flexible pins on said contact areas.
  • said guide member is preferably electrically insulating to avoid any short circuit between the housing of the male connector and the flexible contact pins of the female connector.
  • the low-voltage male connector which will now be described is a connector of the RJ 45 type.
  • the particular design of this connector must not be considered as limiting, but on the contrary can undergo numerous variants without departing from the scope of the invention.
  • the connector shown in Figures 1, 2, 3, 4, 5, 6 and 7 has a substantially identical overall structure. It consists essentially of five constituent elements, namely a body 1, an insulation displacement contact carrier 2, a printed circuit board 3, an organizer cover 4 and a ground continuity stirrup 5.
  • the body 1 which is generally made of molded plastics material, comprises a frame 10 and a plug-in appendix 11 intended to be plugged into the corresponding female connector in which it is held by snapping with the aid of a flexible tongue.
  • the frame 10 defines an interior space in which the printed circuit board 3 and the insulation displacement contact holder 2 are arranged.
  • the frame 1 is closed by means of the organizer cover 4 whose function is the spatial distribution of the conductive wires. connecting cable. Indeed, to facilitate the insertion of the conductive son in the respective insulation displacement contacts 21, this cover is used which is designed to maintain the conductive son of the cable in a spatial distribution for their insertion into the slots of insulation displacement contacts 21.
  • the operator in charge of the wiring starts by arranging the wires individually in the organizing hood.
  • the printed circuit board 3 and the insulation displacement contact holder 2 are already mounted inside the frame 10 and it is then sufficient to put the cover 4 in place and push to make the incision of the wires.
  • the frame contains the insulation displacement contact carrier 2 and a printed circuit board portion 3, in this case the portion 334, wider while the narrower portion 35 extends inside the plug-in appendix 11.
  • An interesting feature of the invention lies in the fact of using a printed circuit board 2 to make the electrical connection between the insulation displacement contacts 21 and the flexible contact pins (shown schematically at 6) of the female connector.
  • the contact areas 331 of the male connector intended to come into electrical contact with the flexible pins 6 of the female connector are located at the lower end of the appendix of the plug-in 11, such as 1 and 2.
  • These contact zones 331 are aligned side by side, generally eight in number, corresponding to those of the flexible pins of the female connector.
  • the printed circuit board 3 comprises several conductive tracks 335, generally eight in number, which respectively connect an insulation displacement contact 21 to a flexible pin 6 of the female connector.
  • the printed circuit board 3 which is here in the form of a rigid substrate 30, is made with connection holes 32 in which contact pads 22 are made to fit. advantageously in a monobloc manner with the insulation displacement contacts 21.
  • the insulation displacement contact holder 2 comprises a molded plastic structure 20 through which the insulation displacement contacts 21 extend, which terminate in the contact pads 22 which protrude from the opposite side of the structure 20 so as to be inserted into the connection holes 32 formed in the printed circuit board 3.
  • a simple electrical contact is made between the insulation displacement contacts 21 and the printed circuit board 3. because of the relatively large area of the printed circuit board 3, it is easier to spatially organize the contact distribution s self-stripping 21 so as to facilitate the wiring by means of the organizer cover 4.
  • the edge 33 of the printed circuit board 3 is made in a rounded manner, as can best be seen in FIG. 1a and FIG. 4. It is precisely in this rounded part of FIG. the printed circuit board 3 that are located contact areas 331 intended to come into contact with flexible pins 6 of the female connector.
  • the flexible pins of the female connector undergo a deflection which has the effect of changing their spatial orientation and therefore their point of contact with the contact area of the male connector.
  • the flexible pins of the female connector can slide virtually frictionlessly on the contact areas, which delays the wear of the connectors.
  • a printed circuit board 3 to make the electrical connection between the insulation displacement contacts 21 and the flexible pins 6 of the female connector has several advantages: firstly, it is easy to establish an electrical contact between the insulation displacement contacts 21 and the printed circuit board 3 because of its extended surface. Secondly, it is easy to make conductive tracks in the printed circuit 3 that meet the crosstalk requirements by providing capacitive and inductive elements in the printed circuit and using via to effect crossings of conductive tracks. Thirdly, the printed circuit board can be used directly by virtue of its rounded profile at its edge 33 for producing contact areas which perfectly meet the requirements related to changes of orientation of the flexible pins of the female connector during the first time. Plug in the male connector.
  • the contact areas 331 are formed in a rounded portion of the edge 33 of the printed circuit board. Rounding can be achieved by any technique such as forming or stamping.
  • the male connector shown differs from that of FIG. 4 in that the contact zones 331 are situated on a curved or bent portion of the printed circuit 3.
  • This embodiment is totally equivalent to that of FIG. of Figure 4 in that the edge of the printed circuit 3 forms a contact surface for continuous contact of the flexible pins 6 during their change of orientation.
  • FIG. 6, shows a third embodiment of the printed circuit board 3.
  • the printed circuit does not simply consist of a rigid substrate, as is the case in embodiment of Figures 4 and 5, but is further supplemented by a flexible thin sheet 35 which together with the substrate 30 forms the printed circuit board.
  • the rigid substrate 30 is entirely contained within the frame 10 of the body 1 while the flexible sheet 35 extends from the frame 10 inside the appendix of the display 11.
  • the contact areas 331 are here defined at a bend 33 of the flexible sheet 35 made by folding on itself.
  • the flexibility of the sheet 35 is used here to achieve the rounded portion defining the contact areas.
  • the sheet 35 extends beyond the bend 3 to come into contact with the earth continuity cage 5 also shown in Figures 1 and 2.
  • the plugging appendix 11 is provided with an elastic tab 15 which presses the sheet 35 against a wall of the earth continuity cage 5.
  • the flexible sheet 3 is formed with an additional track whose contact area extends into the portion of the sheet wedged between the lug 15 and the cage 5. Once plugged into the female connector, the cage 5 made electrical contact with a pin of the female connector to achieve the continuity of mass .
  • FIG. 7 shows the connector according to the invention from above, it can be seen that the insertion appendix 11 is provided with a part 13 which produces a guide comb 14 which separates the contact zones. and which makes it possible to guide the flexible pins 6 of the female connector to the contact areas 331 of the printed circuit board 3.
  • the body 1, and possibly the organizer cover 4 are made of metal or metallized plastic, it is advantageous and even necessary to make the comb 14 of non-metallized plastic to avoid any short circuit between the body 1 and the female connector during plugging.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Control Of Eletrric Generators (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Emergency Protection Circuit Devices (AREA)

Claims (9)

  1. Niederspannungsstecker zum Stecken in eine Niederspannungssteckbuchse, welche mehrere nachgiebige Kontaktlamellen zur Kontaktaufnahme mit dem Stecker aufweist, um einen elektrischen Kontakt zwischen diesen beiden Elementen herzustellen, wobei der Stecker selbstabisolierende Kontakte (21) jeweils zur Aufnahme eines Leitungsdrahts umfasst, dadurch gekennzeichnet, dass die elektrische Verbindung zwischen den nachgiebigen Kontaktlamellen der Steckbuchse und den selbst abisolierenden Kontakten durch eine gedruckte Schaltung (3) verwirklicht ist, welche Leiterbahnen (335) umfasst, die jeweils einen selbst abisolierenden Kontakt (21) mit einer jeweiligen Kontaktlamelle verbinden.
  2. Stecker nach Anspruch 1, wobei die gedruckte Schaltung (3) Kontaktzonen (331) umfasst, die dazu bestimmt sind, in Gleitkontakt mit den nachgiebigen Kontaktlamellen zu gelangen, wenn der Stecker in die Buchse gesteckt wird, deren nachgiebige Kontaktlamellen ausbiegen und ihre Ausrichtung ändern, wobei die Zonen (331) auf einem verrundeten oder gebogenen Teil (33) der Schaltkarte (3) vorgesehen sind.
  3. Stecker nach Anspruch 2, wobei die gedruckte Schaltkarte ein starres Substrat (30) umfasst, wobei der verrundete Teil (33) an einem Rand des Substrats beispielsweise durch Formung oder Stanzen verwirklicht ist.
  4. Stecker nach Anspruch 2, wobei die gedruckte Schaltkarte ein starres Substrat (30) umfasst, wobei der gebogene Teil (33) durch Faltung des Substrats im Wesentlichen auf Höhe eines Randes verwirklicht ist.
  5. Stecker nach Anspruch 2, wobei die gedruckte Schaltkarte ein starres Substrat (30) und einen nachgiebigen Streifen (35) umfasst, wobei das verrundete oder gebogene Teil durch eine Biegung (33) des nachgiebigen Streifens (35) verwirklicht ist.
  6. Stecker nach Anspruch 5, wobei der nachgiebige Streifen (35) eine zusätzliche Bahn im elektrischen Kontakt mit einem Masseleitungselement (5) umfasst, das dazu bestimmt ist, in den elektrischen Kontakt mit einer Massekontaktlamelle zu gelangen, die in der Buchse angeordnet ist.
  7. Stecker nach einem der vorangehenden Ansprüche, wobei die gedruckte Schaltkarte (3) auf Höhe der Kontaktzonen mit einem Führungsorgan (13) versehen ist, vorteilhafterweise in Form eines Kamms (14), das dazu dient, die nachgiebigen Kontaktlamellen auf den Kontaktzonen zu führen.
  8. Stecker nach Anspruch 7, aufweisend einen Metallkasten oder metallisierten Kasten (1), wobei das Führungsorgan (13) elektrisch isolierend ist.
  9. Stecker nach einem der vorangehenden Ansprüche, wobei die selbstabisolierenden Kontakte (21) an dem starren Substrat (30) festgelegt sind.
EP00400725A 1999-04-01 2000-03-16 Niederspannungsteckverbinder Expired - Lifetime EP1041683B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9904068 1999-04-01
FR9904068A FR2791816B1 (fr) 1999-04-01 1999-04-01 Connecteur male basse tension

Publications (2)

Publication Number Publication Date
EP1041683A1 EP1041683A1 (de) 2000-10-04
EP1041683B1 true EP1041683B1 (de) 2006-01-11

Family

ID=9543890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00400725A Expired - Lifetime EP1041683B1 (de) 1999-04-01 2000-03-16 Niederspannungsteckverbinder

Country Status (5)

Country Link
US (1) US6270358B1 (de)
EP (1) EP1041683B1 (de)
AT (1) ATE315840T1 (de)
DE (1) DE60025455D1 (de)
FR (1) FR2791816B1 (de)

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US7326089B2 (en) * 2004-12-07 2008-02-05 Commscope, Inc. Of North Carolina Communications jack with printed wiring board having self-coupling conductors
US7186149B2 (en) * 2004-12-06 2007-03-06 Commscope Solutions Properties, Llc Communications connector for imparting enhanced crosstalk compensation between conductors
US7168993B2 (en) 2004-12-06 2007-01-30 Commscope Solutions Properties Llc Communications connector with floating wiring board for imparting crosstalk compensation between conductors
US7264516B2 (en) * 2004-12-06 2007-09-04 Commscope, Inc. Communications jack with printed wiring board having paired coupling conductors
US7204722B2 (en) 2004-12-07 2007-04-17 Commscope Solutions Properties, Llc Communications jack with compensation for differential to differential and differential to common mode crosstalk
US7166000B2 (en) * 2004-12-07 2007-01-23 Commscope Solutions Properties, Llc Communications connector with leadframe contact wires that compensate differential to common mode crosstalk
US7220149B2 (en) * 2004-12-07 2007-05-22 Commscope Solutions Properties, Llc Communication plug with balanced wiring to reduce differential to common mode crosstalk
US7186148B2 (en) * 2004-12-07 2007-03-06 Commscope Solutions Properties, Llc Communications connector for imparting crosstalk compensation between conductors
US7320624B2 (en) * 2004-12-16 2008-01-22 Commscope, Inc. Of North Carolina Communications jacks with compensation for differential to differential and differential to common mode crosstalk
WO2006081423A1 (en) * 2005-01-28 2006-08-03 Commscope Inc. Of North Carolina Controlled mode conversion connector for reduced alien crosstalk
US7314393B2 (en) * 2005-05-27 2008-01-01 Commscope, Inc. Of North Carolina Communications connectors with floating wiring board for imparting crosstalk compensation between conductors
US7591686B2 (en) * 2006-04-18 2009-09-22 Commscope, Inc. Of North Carolina Communications connectors with jackwire contacts and printed circuit boards
US7322860B2 (en) * 2006-05-01 2008-01-29 Ortronics, Inc. Plug assembly including integral printed circuit board
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AU2009202284B2 (en) * 2008-12-19 2015-02-12 Tyco Electronics Services Gmbh Plug
US8677617B2 (en) * 2010-04-28 2014-03-25 International Business Machines Corporation Printed circuit board edge connector
US8690598B2 (en) * 2010-10-21 2014-04-08 Panduit Corp. Communication plug with improved crosstalk
TWM461162U (zh) * 2013-01-09 2013-09-01 Telebox Ind Corp 連接器
US20140273605A1 (en) * 2013-03-12 2014-09-18 Telebox Industries Corp. Connector
CN117374635B (zh) * 2023-12-08 2024-03-26 东莞市康顺连接科技有限公司 一种防水连接器组件
CN117458224B (zh) * 2023-12-21 2024-03-26 广东乾威精密连接器有限公司 一种电池防水连接器

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Also Published As

Publication number Publication date
US6270358B1 (en) 2001-08-07
DE60025455D1 (de) 2006-04-06
ATE315840T1 (de) 2006-02-15
EP1041683A1 (de) 2000-10-04
FR2791816A1 (fr) 2000-10-06
FR2791816B1 (fr) 2001-06-15

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