EP3286805B1 - Système d'enfichage avec mise en contact à faible usure - Google Patents

Système d'enfichage avec mise en contact à faible usure Download PDF

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Publication number
EP3286805B1
EP3286805B1 EP16717257.6A EP16717257A EP3286805B1 EP 3286805 B1 EP3286805 B1 EP 3286805B1 EP 16717257 A EP16717257 A EP 16717257A EP 3286805 B1 EP3286805 B1 EP 3286805B1
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EP
European Patent Office
Prior art keywords
contact
plug
elements
circuit board
mating
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.)
Active
Application number
EP16717257.6A
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German (de)
English (en)
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EP3286805A1 (fr
Inventor
Christian Dandl
Frank Tatzel
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and Co KG
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Publication of EP3286805A1 publication Critical patent/EP3286805A1/fr
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Publication of EP3286805B1 publication Critical patent/EP3286805B1/fr
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    • 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
    • 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
    • H01R12/89—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 moving connector housing parts linearly, e.g. slider
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction

Definitions

  • the invention relates to a plug-in system, comprising a plug-in part with at least one contact element and a mating plug-in part with at least one contact point on a contact carrier surface extending approximately parallel to a plug-in direction.
  • the plug-in part can be inserted in the plug-in direction into the mating plug part in such a way that the contact element comes into electrical contact with the contact point of the mating plug-in part.
  • plug-in systems are particularly suitable for the transmission of numerous signals in a confined space.
  • the male part has a multiplicity of contact elements and the mating male part has a multiplicity of contact points (or contact pads) on the contact carrier surface, which are brought into electrical contact with the respective associated contact element when plug-in part and mating male part are plugged together.
  • the surface is at least partially formed as a contact carrier surface that carries the contact points.
  • the contact points may be formed as exposed, gold-plated contact surfaces or copper, which is applied to the contact carrier surface, or be galvanically finished. If a signal from such a board to another conductor (cable, connectors, other board) are transmitted, there are several ways to make an electrically conductive connection. On the one hand you can solder the contact partner directly on the board. This is a very reliable method for transmitting signals as lossless as possible. The big disadvantage of this compound is that it is no longer solvable. Added to this are the longer installation times and the thermal load.
  • a "plug-in part” is understood to be an arbitrary plug connector, such as a plug-in board, a socket part, a plug part, etc., which is set up for mating or for coupling with a complementarily designed "mating plug-in part", wherein in a verkuppelten end position electrical signals or Transmitted currents from the contact elements of the male part to the contact points of the mating male part and can be.
  • the verkuppelte end position is preferably detachable, so that the male part and the mating male part are again decoupled from each other.
  • a conventional plug-in system is exemplary and simplified in the FIGS. 6a to 6d
  • the reference numeral 10 ' designates the plug-in part which carries a plurality of contact elements 30'
  • reference numeral 20 ' denotes the counterpart plug-in part which has a plurality of contact points 44' in the form of contact pads on a contact carrier surface.
  • For coupling the plug-in part 10 ' is moved in a direction parallel to the contact carrier surface extending insertion direction S in the direction of the mating connector part 20' ( Fig. 6a ) until the contact elements 30 'designed as contact springs come into contact with the contact carrier surface ( Fig. 6b ).
  • the contact elements 30 When grinding with high compressive force over the entire length of the contact carrier surface, the contact elements 30 'produce undesirable abrasion. In each insertion process, a certain part of the contact coating is thus removed, whereby the contact resistance increases steadily and at the same time the pollution in the contact area by conductive chips or the like. increases. This can mean that between the contact points of the board can lead to a drastically reduced insulation resistance to short circuit.
  • the connector includes a dielectric housing having upper and lower walls joined together by spaced sidewalls.
  • the upper and lower walls form a shaft for receiving the appropriate circuit board.
  • a plurality of terminals are arranged, which form contact portions along the shaft for receiving contact surfaces on the circuit board.
  • At least a pair of aligned apertures extend through the upper and lower walls of the housing, and an opening in the circuit board is arranged and aligned to align with the apertures in the housing when the circuit board is inserted into the well.
  • a fastener is for receiving in the housing openings and the aligned board openings provided to secure the board in the connector.
  • the fastening element is designed such that it clamps the upper and lower walls of the housing.
  • the height of the shaft is greater than the thickness of the circuit board, so that the board is floatingly mounted in the connector, wherein the clamping forces of the fastener against the upper and lower walls of the housing are not transmitted to the circuit board. Nevertheless, the contact surfaces are subject to a high mechanical wear at each mating process, since the contact pressure is already fully present during the plug-in operations.
  • US2002064988 discloses a connector system according to the preamble of claim 1.
  • the object of the present invention to develop a plug-in system which allows a high number of channels in a small space.
  • the wear behavior of the contact partners should be optimized, and the insertion forces should be as low as possible to facilitate the insertion process. At the same time, however, the contact forces should be sufficiently high to ensure safe transmission of both high frequency signals and supply currents.
  • the mating plug part has one of the contact carrier surface in a transverse, in particular perpendicular, extending to the plug-in direction of contact opposite counter-pressure surface.
  • the contact carrier surface is movably held on the mating male part such that it can be displaced in the insertion direction relative to the counter-pressure surface immovably held on the mating male part.
  • the contact carrier surface is movably held on the mating plug part so that it is displaceable in the insertion direction in the end position upon insertion of the male part together with the contact element. Only in the end position, the contact element is pressed in the direction transverse to the insertion direction pressing against the contact point, wherein the contact element is received in the end position in the space between the counter-pressure surface and the contact carrier surface and is thereby pressed against the contact carrier surface, so that a reliable electrical Contact between the contact element and the contact point is made.
  • the contact carrier surface is held displaceably in the insertion direction on the mating plug part.
  • This has the advantage that, unlike conventional plug-in systems, the contact element is not moved under pressure relative to the contact carrier surface during insertion and in so doing grinds over the contact carrier surface or via the contact point. Rather, the contact element can first be brought into a position in which it already correctly positioned opposite the contact point (preferably without it to rest), and only then the contact carrier surface is moved together with the male part in the plug, whereby the contact element in the space between the Contact carrier surface and the counter-pressure surface is clamped.
  • the invention is based on the recognition that the sliding relative movement between the contact partners in conventional plug-in systems leads to the above-described problems and should therefore be largely avoided. Therefore, according to the invention, the contact element in the insertion together with its contact partner - but essentially without compressive force in the normal direction (pressing) - moved to its axial end position, and only then it is thereby pressed in the contact pressure to the contact point that it is between the counter pressure surface and Contact carrier surface is clamped. A sliding relative movement takes place only between the counter-pressure surface and the contact element, but not between the contact carrier surface and the contact element.
  • the contact carrier surface may protrude further in the direction of the plug part than the counterpressure surface. In this case, in the course of the insertion process, first the contact element is positioned correctly with respect to the contact point, and only upon further insertion is the contact element brought into abutment with the counterpressure surface beginning behind in the insertion direction.
  • the contact normal force required for signal transmission between contact point and contact element is not generated by the fact that the spring tension of the contact element designed as a contact element acts between a contact surface of the plug part and the contact carrier surface of the mating plug part. Rather, acts according to the present invention, the spring bias of the contact element designed as a contact element preferably between two surfaces of the mating male part, namely between the counter-pressure surface and the contact carrier surface. This has the advantage that the spring force can be absorbed by a component which is not involved in the electrical contact, namely the counter-pressure surface.
  • a reliable contact force between the contact element and the contact point can be ensured that the at least one contact element is flexible and preferably designed as an elastic contact spring. Especially many mating cycles under constant contact force can be achieved if the contact element is designed as a leaf spring element.
  • the leaf spring element is received in the end position in a space between the contact carrier surface and the counter-pressure surface and is thereby pressed against the contact point.
  • the dimension of the leaf spring element in the relaxed state in the pressing direction is greater than that Distance between the contact carrier surface and the opposite counter-pressure surface, preferably more than 1.1 times as large, in particular more than 1.2 times as large or larger. In this way, a good clamping effect is achieved without an excessive insertion force is required for the insertion process.
  • the leaf spring element has a first leaf spring part projecting cantilevered essentially in the insertion direction and having a first abutment region for bearing against the contact point.
  • the leaf spring element may have a second leaf spring part bent back from a front end of the first leaf spring part with a second contact surface for engagement with the counterpressure surface for exerting pressure on the leaf spring element in the contact pressure direction.
  • the dimension of the leaf spring member in the pressing direction is preferably measured between the first and second abutment portions.
  • the second abutment region is pressed against the first abutment region by the counterpressure surface, thereby elastically compressing the leaf spring element as a whole in the pressing direction.
  • the second leaf spring part has an at least partially oblique with respect to the insertion direction extending front surface, so that the leaf spring part is gradually compressed during insertion by pressure contact with the counter-pressure surface and the contact force can be gradually built up.
  • all contact elements may be similar or substantially identical, wherein influence can be taken on the insertion force required for coupling by selecting the material thickness, the dimension in the pressing direction and the shape of the leaf spring elements.
  • the plug-in system according to the invention is preferably designed for transmitting a plurality of signals, wherein in this case the plug part a plurality (eg. 5, 10, 30 or more) in a width direction (B) juxtaposed contact elements and the mating plug a plurality of at the Contact carrier surface in the width direction (B) may have juxtaposed contact points that come into contact with a respective associated contact element upon insertion.
  • the width direction is transverse, in particular perpendicular, to the insertion direction and the pressing direction.
  • the contact elements are preferably in the form of contact springs starting from a spring carrier of the plug-in part in the direction of the mating plug-in part, wherein the contact points are introduced as contact pads next to one another at corresponding distances in the contact carrier surface.
  • the mating plug part has a plate element such as a printed circuit board (PCB) with two opposing contact carrier surfaces and / or that the plug part at least one pair of contact elements of two opposite each other in the pressing direction (H) arranged contact elements, between which the plate member is insertable.
  • a plate element such as a printed circuit board (PCB) with two opposing contact carrier surfaces and / or that the plug part at least one pair of contact elements of two opposite each other in the pressing direction (H) arranged contact elements, between which the plate member is insertable.
  • both the upper and the lower boundary surface of the board is at least partially configured as a contact carrier surface with contact points for contacting contact elements, wherein both the upper and the lower boundary surface of the board can carry numerous in the width direction B juxtaposed contact points.
  • the opposing contact elements of the contact element pair may be arranged substantially symmetrically with respect to.
  • the platinum level which simplifies the structure and the contact.
  • a distance A between the contact elements of the contact element pair substantially corresponds to the thickness of the plate element.
  • the plate element first passes without contact pressure, but in the pressing direction substantially free of play, in the Interspace between the contact elements of the contact element pairs until the contact elements are opposite to the respective associated contact points on the two sides of the board. Only then does the pressing against the contact points in the pressing direction take place in that the plate element is displaced together with the contact elements of the contact element pairs relative to two counter-pressure surfaces until the contact elements are pressed by the counter-pressure surfaces in the pressing direction on both sides in the direction of the plate element.
  • This symmetrical structure leads to a symmetrical contact pressure on the two oppositely directed contact carrier surfaces of the plate element and thus to a particularly uniform and stable contact.
  • the mating plug part prefferably has two, three or more, in particular eight plate elements, such as sinkers, each extending in the plug-in direction (S), wherein preferably both main board surfaces are formed at least in sections as contact carrier surfaces ,
  • the individual plate elements are preferably arranged one above the other in the pressing direction. The plate elements are then inserted substantially without contact pressure between each pair of contact element pair, and then the contact elements are each pressed by means of pairs of opposing counter-pressure surfaces to the associated contact points.
  • the counter-pressure surfaces for example, start at different positions in an alternating manner, then those required for compressing the contact elements must Forces are applied at two (or more) places in the insertion direction, so that the required maximum force is lowered.
  • the first force peak can be set higher than the following force peaks, being pushed through to the end. This ensures that everything is complete.
  • the plate elements are arranged in each case displaceably and preferably in the pressing direction substantially centrally between two counter-pressure surfaces of the mating plug.
  • the first counterpressure surface is provided for pressing contact elements against the first contact carrier surface of the plate element
  • the second counterpressure surface is provided for pressing the respectively opposite contact elements against the opposing contact carrier surface of the plate element.
  • the production of a plug-in system according to the invention can be simplified in that the plate elements each interspaces of the counter-pressure surfaces having lamellar body, preferably wherein the lamellae of the lamellar body facing the plug-in part and / or obliquely with respect to.
  • the plug-in direction extending ramps may have.
  • the run-up slopes can gradually pass into the running parallel to the insertion counterpressure surfaces.
  • the lamellar body may be formed in one piece and carry a plurality of each having two counter-pressure surfaces having fins.
  • the slats of the slat body are each attached separately to a housing of the mating connector. It is important that the individual boards protrude through the spaces between the slats, so that the contact elements and the boards are already correctly positioned relative to each other when the contact elements enter into the spaces between the slats.
  • the plug-in part preferably has at least one stop surface on which a front surface of the at least one plate element abuts when it is plugged in and from which the plate element is pushed in the plug-in direction.
  • a low-wear, good contact enabling Weg istösvorgang can be achieved in that the male part of an intermediate position in which the contact elements their respective contact points each already positioned correctly, but substantially pressure-free, opposite, is displaceable in the end position, in which the contact elements clamped between each plate member and a counter-pressure surface and thereby pressed to the associated contact point.
  • the abutment surface of the male part is preferably arranged such that the front surface of the plate element abuts against it, when the contact elements are positioned correctly positioned the contact points. From this point, the plate member is advanced in the direction of insertion relative to the counter-pressure surfaces.
  • the plate elements are preferably guided displaceably in extending in the insertion direction guide slots.
  • each contact carrier surface or each plate member is associated with at least one biasing element such as a spring element, against the bias of the plate member is displaceable in the insertion direction.
  • the plate elements Prior to insertion of the male part, the plate elements are urged by the biasing elements towards the male part to ensure that plate elements are in an interface-side position when inserted.
  • the required insertion force can be adjusted by the spring force of the biasing elements.
  • a stop for example a shoulder of the disk body
  • the spring elements can each be provided as leaf springs behind the guided in guides plate elements.
  • each plate member is assigned at least one leaf spring of the leaf spring comb, which is the respective plate element in the direction of the male part.
  • two Blattfederkarmme each provided with a leaf spring per plate element.
  • the biasing elements, the plate elements with the contact carrier surfaces and / or preferably formed as lamellae counter-pressure surfaces can be accommodated in a common housing of the mating plug-in part, in which the plate elements are arranged one above the other in layers in the pressing direction.
  • a number of contact element carriers corresponding to the plate elements can be accommodated in a common housing of the plug-in part, in which the contact element carriers are arranged one above the other in layers in the pressing direction.
  • From a front side of each contact element carrier are preferably formed as contact springs contact elements in front of each other. In this case, two opposing rows of contact elements are preferably provided in the pressing direction, wherein in each case a plate element is insertable between the individual contact element pairs of these two rows.
  • plug system 100 consists in principle of a male part 10 and a mating connector 20.
  • the male part is in detail in the FIGS. 2 and 3 shown and the mating plug is in detail in the FIGS. 4a to 4d shown.
  • a plurality of contact element carrier 60 are held stationary (see FIGS. 2 and 3 ).
  • cables are soldered onto the printed conductors of a printed circuit board, which are soldered out of the housing 65 on the so-called "cable side" escape. They serve for further signal transmission to other components, which have no significance for the present invention.
  • contact elements 30 are arranged on the contact element carrier 60 both on the upper side and on the lower side Applied form of contact springs which protrude in the insertion direction S of the contact element carrier 60.
  • Two opposing contact elements 38, 39 are referred to below as the contact element pair. These are ideally soldered directly onto the tracks of the contact element carrier 60. Between the upper and lower contact elements 38, 39 of the contact element pairs a clearance is formed with a distance A which is at least so large that the thickest, provided for immersion of the mating connector 20 board 40 as a contact partner between these contact elements 38, 39 substantially can dive without friction.
  • the contact elements 38, 39 of the contact element pairs are at least partially opposite each other in a pressing direction H which is perpendicular to the insertion direction S.
  • a pressing direction H which is perpendicular to the insertion direction S.
  • numerous pairs of contact elements (here by way of example 34) are arranged side by side in a width direction B which is perpendicular to the insertion direction S and the pressing direction H.
  • a contact element carrier is thus set up to transmit 68 signals, wherein eight contact element carriers 60 are received one above the other in the housing 65 in the pressing direction H.
  • more or less contact elements per contact element carrier 60 or more or fewer than eight contact element carriers 60 may be provided in the housing 65.
  • the contact elements 30 each one attached to the contact element carrier 60 and substantially in the insertion direction S of the contact element carrier projecting first leaf spring member 32 having a first contact region for electrically contacting a Contact point 44 of the mating connector 20 have.
  • the contact element 30 is bent back and has one of the front end of the first leaf spring member 32 substantially opposite to the insertion direction S returning second leaf spring member 34 with a second abutment portion for abutment against a counter-pressure surface 52 of the mating connector 20 in the end position II.
  • the contact elements 30 are arranged elastically compressible in the pressing direction H.
  • housing 65 On one end side of the housing 65 (interface side) can be seen diagonally arranged two recesses 66. These take at the beginning of the mating process matching counterparts (pin 49) of the mating connector 20 in order to ensure adequate pre-centering of all involved in the mating process components.
  • FIG. 4a shows various components of the mating connector 20 in an exploded view
  • FIG. 4b shows the fully assembled counterpart plug 20 in a perspective view
  • Figure 4c shows the mating connector 20 from diagonally behind
  • FIG. 4d shows a portion of the mating male part 20 in a sectional view.
  • a housing 45 which is also open on two sides, laterally opposite guide slots 46 can be found.
  • the number and exact execution of the guide slots 46 are irrelevant to the further considerations.
  • plate elements are inserted in the form of boards 40, whose upper and lower main surfaces of the interface side (that side which is provided for coupling with the male part 10 and the male part 10 when plugging in) as oppositely directed Contact carrier surfaces 42, 43 are formed.
  • the contact carrier surfaces 42, 43 each have a plurality of juxtaposed in the width direction of contact points 44, which are provided for electrically contacting the contact elements 30.
  • the spring elements 70 are stamped sheet-metal springs which, on the one hand, press against the sinkers 40 with individually resilient fingers and bear against the side wall of the housing 45 with the fixed, non-resilient part.
  • a pin 72 secures each spring element 70 against falling out and at the same time allows deflecting the spring forces against the wall of the housing 45.
  • the in Fig. 4a is shown particularly clearly.
  • a cable-side end of a board 40 with the board in the direction of the male part 10 biasing spring element 70 is in Fig. 5 shown enlarged.
  • the design of the spring elements 70 is exemplary here. Any other shape that pushes the boards 40 against the stop in the guide slots 46 is conceivable.
  • the boards 40 are thus movably mounted in the insertion direction S, where they are in the unmated state in an interface-side end position in which they project in the direction of the plug-in part 10 to be inserted.
  • a lamellar body 50 This is designed such that it has a plurality of parallel slats 51. In cross-section (see Fig. 4d ), these lamellae 51 are substantially rectangular, with each lamella on the upper and lower side of the interface having a small slope, the so-called starting bevel 54.
  • the run-on slopes 54 each pass into the counter-pressure surfaces 52 of the slats 51, through which the contact elements 30 are pressed against the contact points 44.
  • the lamellar body 51 is installed in a suitable manner fixed in the housing 45 (eg pressed, glued or injected directly with), so that the run-on slopes 54 are directed towards the interface. For better distribution of the insertion forces over the entire insertion process, it may prove to be particularly useful to offset the chamfers 54 in the insertion direction S against each other (not shown here).
  • the boards 40 are accommodated in the housing 45 in such a way that they protrude on the side of the interface substantially centrally through the interspaces between the lamellae 51.
  • the housing 45 has elements for pre-centering, in the form of two pins 49th
  • the Vorzentrier shame pin 49 and recesses 66
  • the housings 45, 65 of the plug-in part and mating plug-in part as well as the components installed in them are oriented in the correct position relative to one another. This prevents possible damage to the sensitive components (contact elements, contact points, etc.) during the plug-in process.
  • interface-side geometric elements of the housing slide into one another in such a way that a further circumferential centering of the two male partners takes place relative to one another.
  • the plug-in part 10 and the mating plug part are pushed further into one another, the boards strike 40 on abutment surfaces 62 of the contact element carrier 60, so that no relative movement of contact elements 30 and boards 40 in the plug-in direction S can take place from this point on.
  • the plug-in system is in the in Fig. 1b arranged intermediate position shown.
  • the contact elements 30 and the pads 44 (landing pads) on the contact support surfaces 42, 43 of the boards 40 are optimally aligned with each other, but they still do not touch. It should be remembered that the boards 40 are resiliently mounted and slidable towards the cable side. This becomes important now, since the male part 10 and the mating male part 20 are pushed further into one another, but the sinkers 40 are already pressed against the abutment surfaces 62.
  • the lamellar body 50 is now used (see Fig. 1c ).
  • the counter-pressure surfaces 52 formed by the fins 51 run with their run-on slopes 54 on the contact elements 30 so that they are inserted into the space between boards 30 and fins 51 and pressed against the already positioned contact points 44 of the boards 40.
  • the contact carrier surfaces 42, 43 are thus moved together with the correctly positioned contact elements 30 relative to the stationary on the housing 45 held counter-pressure surfaces 52.
  • the electrical contact is finally made (see Fig. 1d ).
  • run-up bevels 54 can be offset from one another in the insertion direction in order to reduce the value of the maximum insertion force. However, this is not shown here, since in this embodiment is not necessary.
  • the maximum contact force is reached at the end of the chamfers 54, which then in pass straight substantially parallel to the insertion direction S extending counter-pressure surfaces 52, whereby it is achieved that the contact force remains constant at the desired value.
  • the male part 10 and the mating male part 20 are pushed further into each other (the relative position of the contact elements 30 and the contact points 44 on the contact carrier surfaces 42, 43 remains unchanged) until the housing 65 abuts against the lamella body 50. The plug-in process is complete.
  • the plug-in system according to the invention is not limited to the embodiment shown in the figures.
  • the plug-in system does not necessarily have a plurality of contact elements and contact points, but can also provide only a single contact path.
  • the circuit boards symmetrically loading, opposing contact elements in the form of contact element pairs that contact both major surfaces of the board, but offer special stability and compactness benefits.
  • the plug-in system according to the invention due to the exactly definable insertion forces without risk of wear set up particularly well for transmitting a plurality of signals and therefore preferably has more than 50, in particular more than 100 contact elements and associated contact points.
  • the contact elements after mating of male and mating male in the plug S are not under pressure at the contact points, but only by another operation (eg. Applying pressure on the contact element carrier, adjusting the Lamellar body, actuation of an additional part, etc.) brought into the final position in which they rest under pressure at the contact points.
  • another operation eg. Applying pressure on the contact element carrier, adjusting the Lamellar body, actuation of an additional part, etc.
  • the contact elements are spread apart before the insertion process and are relaxed after plugging by means of various parts and then contact the board under pressure.
  • double boards which are clamped together after insertion.
  • the contact elements or the contact element carrier carrying the contact elements can be movable (for example floatingly mounted).
  • contact element carrier There is not necessarily a contact element carrier available.
  • the contact elements may, for example, be applied directly to plate elements such as circuit boards (analogously to the contact points), for example by soldering.
  • the boards of the male part may be movably held in the insertion direction on the male part.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (15)

  1. Système d'enfichage (100) comportant une partie d'enfichage (10) pourvue d'au moins un élément de contact (30) et une partie d'enfichage antagoniste (20) pourvue d'un emplacement de contact (44) sur une surface de support de contact (42) qui s'étend approximativement parallèlement à une direction d'enfichage (S), la partie d'enfichage (10) pouvant être enfichée en direction d'enfichage (S) dans la partie d'enfichage antagoniste (20) et ledit au moins un élément de contact (30) étant en contact électrique avec l'emplacement de contact (44) dans une position finale (II),
    dans lequel
    la partie d'enfichage antagoniste comprend une surface de contre-pression (52) opposée à la surface de support de contact (42) au moins localement dans une direction de pressage (H) transversale à la direction d'enfichage,
    caractérisé en ce que
    la surface de support de contact (42) est retenue sur la partie d'enfichage antagoniste (20) de façon mobile par rapport à la surface de contre-pression (52) dans la direction d'enfichage (S).
  2. Système d'enfichage selon la revendication 1, caractérisé en ce que lors de l'enfichage de la partie d'enfichage (10), la surface de support de contact (42) est mobile en translation dans la direction d'enfichage (S), conjointement avec l'élément de contact (30) s'appuyant de préférence sensiblement sans pression contre l'emplacement de contact (44) ou opposé à celui-ci sans jeu, jusqu'à ce que l'élément de contact (30) soit inséré dans un espace intermédiaire entre la surface de contre-pression (52) et la surface de support de contact (42) et soit ainsi pressé contre l'emplacement de contact (44) dans la position finale (II).
  3. Système d'enfichage selon la revendication 1 ou 2, caractérisé en ce que ledit au moins un élément de contact (30) est réalisé de façon flexible et de préférence sous la forme d'un élément de ressort à lames élastiquement compressible.
  4. Système d'enfichage selon la revendication 3, caractérisé en ce que la dimension de l'élément de contact (30) à l'état détendu dans la direction de pressage (H) est supérieure à la distance entre la surface de support de contact et la surface de contre-pression opposée à celle-ci, de sorte que l'élément de ressort à lames peut venir se coincer entre les deux.
  5. Système d'enfichage selon la revendication 3 ou 4, caractérisé en ce que les éléments de ressort à lames (30) comprennent chacun une première partie de ressort à lames (32) saillant librement en porte-à-faux dans la direction d'enfichage (S) et pourvue d'une première zone d'appui pour venir en appui contre l'emplacement de contact (44), et une seconde partie de ressort à lames (34) repliée depuis une extrémité avant de la première partie de ressort à lames (30) et pourvue d'une seconde zone d'appui pour venir en appui contre la surface de contre-pression (52) dans la position finale (II).
  6. Système d'enfichage selon l'une des revendications précédentes, caractérisé en ce que la partie d'enfichage (10) comprend une pluralité, par exemple 5, 10, 30 éléments de contact (30) ou plus agencés les uns à côté des autres dans une direction de largeur (B), et/ou la partie d'enfichage antagoniste (20) comprend une pluralité d'emplacements de contact (44) qui sont agencés les uns à côté des autres dans la direction de largeur (B) sur la surface de support de contact (42) et qui, lors de l'enfichage, viennent en contact électrique avec un élément de contact (30) respectif associé.
  7. Système d'enfichage selon l'une des revendications précédentes, caractérisé en ce que la partie d'enfichage antagoniste (20) comprend au moins un élément de plaque (40), comme par exemple une platine pourvue de deux surfaces de support de contact (42, 43) orientées en sens opposé, et/ou en ce que la partie d'enfichage (10) comprend au moins une paire d'éléments de contact constituée de deux éléments de contact (38, 39) agencés à l'opposé l'un de l'autre dans la direction de pressage (H), entre lesquels l'élément de plaque (40) peut être inséré lors de l'enfichage.
  8. Système d'enfichage selon la revendication 7, caractérisé en ce que une distance (A) entre les éléments de contact (38, 39) de la paire d'éléments de contact correspond sensiblement à l'épaisseur de l'élément de plaque (40).
  9. Système d'enfichage selon la revendication 7 ou 8, caractérisé en ce que la partie d'enfichage antagoniste (20) comprend deux, trois ou plusieurs, en particulier huit éléments de plaque (40) s'étendant chacun en direction d'enfichage (S) et de préférence pourvus chacun de deux surfaces de support de contact (42, 43) qui sont susceptibles d'être insérées entre des paires d'éléments de contact (38, 39) jusqu'à ce que chaque élément de contact électrique (30) vienne en contact avec un emplacement de contact (44) respectif associé à celui-ci.
  10. Système d'enfichage selon l'une des revendications 7 à 9, caractérisé en ce que ledit au moins un élément de plaque (40) est agencé de façon mobile en translation entre deux surfaces de contre-pression (52) de l'élément d'enfichage antagoniste (20), qui sont prévues pour pousser les éléments de contact (38, 39) opposés l'un à l'autre des paires d'éléments de contact de la partie d'enfichage contre les surfaces de support de contact (42, 43) de l'élément de plaque (40).
  11. Système d'enfichage selon la revendication 10, caractérisé en ce que les éléments de plaque (40) traversent chacun des espaces intermédiaires d'un corps à lamelles (50) pourvu des surfaces de contre-pression (52), les lamelles du corps à lamelles (50) comprenant de préférence des pentes de montée (54) tournées vers la partie d'enfichage et/ou s'étendant en oblique par rapport à la direction d'enfichage (S).
  12. Système d'enfichage selon l'une des revendications 7 à 11, caractérisé en ce que la partie d'enfichage présente au moins une surface de butée (62) contre laquelle vient en butée une surface frontale dudit au moins un élément de plaque (40) lors de l'enfichage, l'élément de plaque (40) étant poussé en direction d'enfichage (S) par la surface de butée (62), lors de l'enfichage.
  13. Système d'enfichage selon l'une des revendications 7 à 12, caractérisé en ce que la partie d'enfichage (10) est mobile en translation depuis une position intermédiaire (I) dans laquelle les éléments de contact (30) sont opposés aux emplacements de contact (44) associés à ceux-ci, en étant déjà correctement positionnés, mais sensiblement sans pression, jusque dans la position finale (II) dans laquelle les éléments de contact (30) sont coincés entre un élément de plaque respectif (40) et une surface de contre-pression (52) et sont ainsi pressés contre l'emplacement de contact correspondant (44).
  14. Système d'enfichage selon l'une des revendications précédentes, caractérisé en ce qu'au moins un élément de précontrainte, tel qu'un élément de ressort (70), est associé à chaque surface de support de contact (42, 43), en particulier à chaque élément de plaque (40), ayant une précontrainte à l'encontre de laquelle la surface de support de contact (42, 43) est mobile en translation dans la direction d'enfichage (S).
  15. Système d'enfichage selon la revendication 14, caractérisé par un peigne de ressorts à lames (74) agencé derrière les éléments de plaque en direction d'enfichage et comprenant une pluralité d'éléments de ressort (70).
EP16717257.6A 2015-04-23 2016-04-19 Système d'enfichage avec mise en contact à faible usure Active EP3286805B1 (fr)

Applications Claiming Priority (2)

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DE202015003001.7U DE202015003001U1 (de) 2015-04-23 2015-04-23 Stecksystem mit verschleißarmer Kontaktierung
PCT/EP2016/000635 WO2016169647A1 (fr) 2015-04-23 2016-04-19 Système d'enfichage avec mise en contact à faible usure

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EP (1) EP3286805B1 (fr)
JP (1) JP2018514066A (fr)
KR (1) KR102313913B1 (fr)
CN (1) CN107667452B (fr)
CA (1) CA2980654A1 (fr)
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WO (1) WO2016169647A1 (fr)

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US10868377B2 (en) 2018-08-29 2020-12-15 Avx Corporation Electrical spring contact with integrated extending carrier portion

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EP3286805A1 (fr) 2018-02-28
KR102313913B1 (ko) 2021-10-18
DE202015003001U1 (de) 2015-06-25
CN107667452B (zh) 2018-10-09
US10389052B2 (en) 2019-08-20
CA2980654A1 (fr) 2016-10-27
CN107667452A (zh) 2018-02-06
JP2018514066A (ja) 2018-05-31
US20180109020A1 (en) 2018-04-19
KR20170139550A (ko) 2017-12-19
WO2016169647A1 (fr) 2016-10-27

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