EP3793034A1 - Dispositif de contact enfichable et système enfichable - Google Patents

Dispositif de contact enfichable et système enfichable Download PDF

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Publication number
EP3793034A1
EP3793034A1 EP20194015.2A EP20194015A EP3793034A1 EP 3793034 A1 EP3793034 A1 EP 3793034A1 EP 20194015 A EP20194015 A EP 20194015A EP 3793034 A1 EP3793034 A1 EP 3793034A1
Authority
EP
European Patent Office
Prior art keywords
clamping
plug
circuit board
receiving space
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20194015.2A
Other languages
German (de)
English (en)
Other versions
EP3793034B1 (fr
Inventor
Thomas Föller
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP3793034A1 publication Critical patent/EP3793034A1/fr
Application granted granted Critical
Publication of EP3793034B1 publication Critical patent/EP3793034B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/89—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
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section

Definitions

  • the invention relates to a plug contact device and a plug system with such a plug contact device.
  • the EP 3 104 665 A1 discloses such a plug contact device for electrically connecting an induction heating device of an induction hob.
  • the plug contact device is arranged on a printed circuit board and the plug is arranged on the underside of a carrier.
  • a kind of floating mounting of the plug with mobility to the side can facilitate insertion during connection.
  • the invention is based on the object of providing a plug contact device mentioned at the beginning for the electrical connection of a plug and a corresponding plug system which are intended to avoid problems of the prior art and in particular to simplify the establishment of the electrical connection and at the same time establish an electrical connection configured as safely as possible.
  • the contact socket which is fastened on a printed circuit board, has a first clamping leg with a first clamping projection and a second clamping leg with a second clamping projection.
  • the first clamping leg is arranged opposite the second clamping leg and the two clamping legs delimit, in particular between them, a connector receiving space for receiving the connector.
  • the clamping frame surrounds the contact socket.
  • the clamping actuator is designed to move the clamping frame relative to the printed circuit board in a predetermined clamping direction when it is actuated.
  • the clamping frame interacts with the first clamping projection and the second clamping projection in such a way that the connector receiving space is narrowed when the clamping frame moves relative to the printed circuit board in the clamping direction or along the clamping direction.
  • the clamping actuator thus effects the clamping, in particular when an electrical device is installed with the plug-in contact device or with the plug-in system.
  • the contact socket can be attached to the circuit board in a detachable or non-detachable manner.
  • the contact socket can advantageously be fastened to the printed circuit board by a material connection, the material connection preferably being a soldered connection or a welded connection.
  • the contact socket can consist of an electrically conductive material, advantageously of corresponding sheet metal, in particular the contact socket can have an alloy made of copper, iron or aluminum.
  • the contact socket can advantageously be designed in one piece.
  • the contact socket is preferably in the form of a hollow cylinder, in particular with a round or rounded inner cross-section.
  • the contact socket can have a free end on one end face and a fixed end on another end face, the free end being opposite the fixed end.
  • the contact socket can be fastened with the fastened end on the circuit board as described above.
  • the free end can have the first clamping projection and the second clamping projection or all clamping projections.
  • the contact socket is preferably designed so that the plug is plugged into its free end, in particular pushed or introduced between the first clamping projection and the second clamping projection, in order to arrange the plug within the plug receiving space, ie to insert it.
  • a diameter or outside diameter of the plug is advantageously smaller than a diameter or inside diameter of the plug receiving space of the contact socket.
  • the plug and / or the contact socket can be designed in such a way that the plug is received with a loose fit in the plug receiving space when the plug receiving space is not narrowed, that is to say during insertion.
  • the plug can advantageously be inserted into the plug receiving space without force. In other words: an insertion force is not required for inserting the plug into the contact socket. This makes assembly easier and prevents damage if incorrectly assembled if too much force is used.
  • the clamping actuator can be arranged partially or completely between the circuit board and the clamping frame. In this way he can support himself well on the circuit board if necessary.
  • the clamping actuator can be designed in one piece, in particular the clamping actuator can be a one-piece plastic component.
  • the clamping actuator can be fastened or held on the circuit board or on the clamping frame.
  • the clamping actuator can be designed to be rotatable or rotatable and fastened or arranged, the clamping actuator moving the clamping frame relative to the printed circuit board in the clamping direction as a result of the rotation.
  • the clamping actuator converts its rotational movement into a linear movement of the clamping frame by a fitter.
  • the rotation of the clamping actuator is preferably initiated by the actuation.
  • Actuation can be carried out by the fitter.
  • a clamping force can preferably be set with which the connector is clamped between the clamping legs after the connector has been arranged or inserted in the connector receiving space.
  • the clamping frame can partially or advantageously completely surround a jacket surface of the contact socket.
  • the clamping frame preferably surrounds at least the first clamping projection and the second clamping projection, in particular all clamping projections, if there are more, preferably four contact sockets.
  • the interaction between the clamping frame and the first clamping projection and the second clamping projection can mean that the clamping frame slides along the first clamping projection and the second clamping projection when the clamping actuator moves the clamping frame relative to the printed circuit board in the clamping direction.
  • a narrowing of the connector receiving space can mean that the clamping frame engages the first clamping projection and the second clamping projection of a contact socket and moves the first clamping leg and the second clamping leg towards one another or compresses them when the clamping actuator moves the clamping frame relative to the printed circuit board in the clamping direction.
  • the pretensioning of the first clamping leg and the second clamping leg can be released and the first clamping leg and the second clamping leg move away from each other, in particular the first clamping leg and the second clamping leg spring back.
  • the first clamping limb and the second clamping limb can be reset and thus the plug receiving space can be opened.
  • the first clamping leg and the second clamping leg are bent by the clamping frame, in particular not bent when it moves in the clamping direction relative to the printed circuit board, and / or advantageously springs back when the clamping frame moves relative to the printed circuit board opposite to the clamping direction.
  • the electrical connection of a plug to the contact socket can be established by inserting or inserting the plug into the non-narrowed or widened plug receiving space of the contact socket without force and then actuating the clamping actuator.
  • the clamping frame can press the first clamping leg and the second clamping leg against the plug, preferably laterally against the plug. In other words: the plug is then clamped between the first clamping leg and the second clamping leg.
  • an electrical connection can be established between the two clamping legs and the plug.
  • the plug can be clamped between the two clamping legs in such a way that it can only be pulled out of the plug receiving space with a certain plug pull-off force.
  • This connector pull-off force can depend on the clamping force of the first clamping leg and the second clamping leg, which acts on the connector when the connector is clamped between the clamping legs.
  • the plug removal force is greater than the forces that act on the plug contact device during normal use.
  • the invention thus solves the problem of providing a plug-in contact device for the electrical connection of a plug which simplifies the establishment of the electrical connection and at the same time establishes an electrical connection that is configured as safely as possible.
  • the clamping actuator is designed to move the clamping frame relative to the printed circuit board opposite to the clamping direction when the clamping actuator is actuated differently.
  • the clamping frame interacts with the first clamping projection and the second clamping projection in such a way that the connector receiving space is expanded when the clamping actuator moves the clamping frame relative to the printed circuit board opposite to the clamping direction.
  • the clamping actuator can act on the clamping frame in order to move the clamping frame in the opposite direction to the clamping direction.
  • the clamping actuator is preferably fastened to the clamping frame or forms a structural unit with it.
  • the clamping direction is parallel to a longitudinal axis of the connector receiving space.
  • the longitudinal axis of the connector receiving space can correspond to the plug-in direction or can specify the plug-in direction.
  • the clamping direction is preferably perpendicular to the circuit board, in particular perpendicular to a surface of the circuit board.
  • the clamping actuator is designed to change a distance between the clamping frame and the printed circuit board when the clamping actuator is actuated.
  • the clamping frame cooperates with the first clamping projection and the second clamping projection in such a way that the connector receiving space is narrowed when the clamping actuator increases the distance between the clamping frame and the circuit board, and that the connector receiving space is expanded when the distance between the clamping frame and the circuit board is reduced becomes.
  • the clamping frame can cooperate with the first clamping projection and the second clamping projection in such a way that the connector receiving space is narrowed when the clamping actuator reduces the distance between the clamping frame and the circuit board, and that the connector receiving space is expanded when the distance between the clamping frame and the circuit board is increased.
  • the clamping frame has a first state and a second state.
  • the clamping actuator is then designed to transfer the clamping frame between the first state and the second state.
  • the distance between the circuit board and the clamping frame is greater in the second state of the clamping frame than in the first state of the clamping frame.
  • the connector receiving space is smaller in the second state of the clamping frame than in the first state of the clamping frame.
  • the clamping frame has clamping bevels which interact with the first clamping projection and the second clamping projection in such a way that the connector receiving space is narrowed when the clamping actuator moves the clamping frame relative to the circuit board in the clamping direction.
  • This can generally form a transmission.
  • the clamping projections slide along the clamping bevels and are pressed towards one another, narrowing the connector receiving space.
  • the clamping frame cooperates with the first clamping projection and the second clamping projection in such a way that the connector receiving space is expanded when the clamping frame is moved in the opposite direction to the clamping direction relative to the printed circuit board.
  • clamping projections slide along the clamping bevels and move away from each other with renewed expansion of the connector receiving space.
  • a number of clamping slopes can advantageously correspond to the number of clamping projections.
  • the clamping bevels can be arranged next to one another and form a single continuous surface.
  • the clamping bevels can be a backdrop for the clamping projections, in particular a slotted guide as the aforementioned gear.
  • the first clamping projection has a first insertion bevel and the second clamping projection has a second insertion bevel or they form these insertion bevels.
  • the first lead-in bevel and the second lead-in bevel face the connector receiving space.
  • the first lead-in bevel and the second lead-in bevel are designed to position the plug within the plug receiving space when it is inserted or plugged into the plug receiving space.
  • the clamping projections are preferably arranged in such a way that the insertion bevels widen the plug receiving space, in particular widen it upwards.
  • the first clamping projection is arranged on an upper edge of the first clamping leg and is bent up or outward so that it enlarges the connector receiving space, in particular bent outward in the radial direction from the longitudinal axis of the connector receiving space.
  • the second clamping projection is arranged on an upper edge of the second clamping leg and is also bent up in such a way that it enlarges the connector receiving space, in particular bent outward in the radial direction from the longitudinal axis of the connector receiving space.
  • the contact socket has a number of fastening elements for through-mounting the contact socket on the circuit board. It is fastened with the fastening elements on the circuit board, these fastening elements preferably being protruding pins which advantageously protrude downwards.
  • the fastening elements are preferably arranged on the fastened end of the contact socket.
  • the fastening elements can advantageously be designed to be inserted into corresponding through holes in the circuit board.
  • the circuit board can have a number of through holes corresponding to the number of fastening elements.
  • the contact socket can in particular have two to twelve fastening elements.
  • the contact socket is a stamped and bent part made of sheet metal.
  • This can be a sheet metal commonly used for such contact sockets. Its thickness can be between 0.5 mm and 2 mm.
  • the contact socket has a third clamping leg with a third clamping projection, in particular at the free end, and a fourth clamping leg with a fourth clamping projection, in particular at the free end.
  • the third clamping leg is arranged opposite the fourth clamping leg.
  • These four first clamping legs limit the connector receiving space for receiving the connector.
  • the clamping legs can advantageously be distributed uniformly and at the same angle to one another be arranged.
  • the clamping frame preferably interacts with the clamping projections in such a way that the plug receiving space is narrowed in between when the clamping actuator moves the clamping frame relative to the printed circuit board and thus relative to the contact socket in the clamping direction.
  • the contact socket can also have more than four clamping legs.
  • the clamping actuator has a screw, an eccentric or an inclined surface coupling or link guide.
  • the clamping frame preferably partially or completely covers the clamping actuator or is arranged above it.
  • the clamping frame can have an opening through which the clamping actuator can be actuated, in particular with a screw.
  • the clamping actuator has a screw and a thread corresponding to the screw, in which the screw is received.
  • a longitudinal axis of the screw is parallel to a longitudinal axis of the connector receiving space.
  • the screw is designed to grip the clamping frame or to be fastened to the clamping frame and, by turning the screw, to move the clamping frame relative to the printed circuit board in or along the clamping direction.
  • the clamping actuator can preferably have a thread device with the thread, which is fastened to the circuit board, in particular is soldered to the circuit board.
  • the thread device with the screwed-in screw can be arranged between the circuit board and the clamping frame. The screw can cooperate with the thread device in such a way that it presses the clamping frame away from the circuit board when it is screwed out of the thread device.
  • the clamping actuator is an eccentric.
  • the eccentric is rotatably arranged between the circuit board and the clamping frame; in particular, the eccentric can be rotatable through 180 °.
  • the eccentric has an actuating device in order to actuate it, in particular to rotate it, wherein the actuating device can preferably be a lever.
  • the eccentric is designed to move the clamping frame relative to the circuit board in the clamping direction when it is rotated.
  • the eccentric is preferably partially covered by the clamping frame, but in particular the actuating device is not covered by the clamping frame.
  • the eccentric can be rotatably attached to the circuit board or to the clamping frame. An axis of rotation of the eccentric can be parallel to the circuit board or perpendicular to the longitudinal axis of the connector receiving space.
  • the clamping actuator is an inclined surface coupling.
  • the clamping frame has a first inclined surface of the inclined surface coupling, and an operating device of the clamping actuator has a second inclined surface of the inclined surface coupling on.
  • the actuating device is arranged rotatably between the circuit board and the clamping frame, in particular the actuating device can be rotatable between 10 ° and 180 °, advantageously be rotatable by 45 °, 30 ° or 20 °.
  • the first inclined surface and the second inclined surface interact in such a way, in particular with one another, that the clamping frame is moved in the clamping direction relative to the printed circuit board when the actuating device is rotated.
  • the first inclined surface can slide on the second inclined surface.
  • the inclined surface coupling preferably has a plurality of first inclined surfaces and a plurality of second inclined surfaces, the plurality of first inclined surfaces corresponding to the plurality of second inclined surfaces.
  • the actuating device is preferably partially covered by the clamping frame.
  • the actuating device can be rotatably attached to the circuit board or to the clamping frame, or it can be rotatably arranged between the circuit board and the clamping frame.
  • An axis of rotation of the inclined surface coupling can be perpendicular to the printed circuit board or parallel to the longitudinal axis of the connector receiving space.
  • the plug contact device has a plurality of contact sockets, preferably a plurality of identical contact sockets.
  • the plug contact device has an even number of contact sockets, advantageously four, eight or sixteen contact sockets.
  • the plurality of contact sockets can be identical in structure, advantageously all of them.
  • the clamping frame can simultaneously narrow or expand all the plug receiving spaces of the plurality of contact sockets when the clamping frame moves relative to the printed circuit board in the clamping direction or against the clamping direction.
  • the contact sockets are evenly distributed around the clamping actuator and are arranged at the same angle to one another.
  • the contact sockets can be arranged point-symmetrically or mirror-symmetrically.
  • the clamping frame electrically isolates the contact sockets from one another, in particular at least in the direction of a direct connection between them.
  • the clamping frame preferably isolates the clamping projections from one another.
  • the direct connection can be a direction that is radial to the longitudinal axis of the connector receiving space.
  • This plug-in system has a plug contact device described above and a plug holder with the plug on.
  • the plug holder preferably has a number of plugs which corresponds to the number of contact sockets of the plug contact device.
  • the connector holder has an opening through which the clamping actuator can be actuated when the connector is received in the connector receiving space.
  • the opening is preferably arranged in the middle.
  • the opening of the connector holder is arranged concentrically to the opening of the clamping frame when the connector is received in the connector receiving space, wherein the clamping actuator can be actuated through the opening of the connector holder and through the opening of the clamping frame.
  • the connector system has a carrier, on the underside of which the connector holder is arranged.
  • the plug-in system has at least one electrical functional unit which is arranged on the carrier, in particular on an upper side of the carrier, and which is electrically connected when the connector is received in the connector receiving space.
  • the plug contact device can be connected to a voltage source which is designed to supply the electrical functional unit with electrical energy.
  • the electrical functional unit can in particular be an induction heating device of an induction hob.
  • the connector holder can be designed to electrically connect the induction heating device to the voltage source when the connector is received in the connector receiving space.
  • the plug contact device can establish an electrical connection between the voltage source and the electrical functional unit, the establishment of the electrical connection being simplified and the electrical connection being made as safe as possible at the same time.
  • FIG. 1 shows a plug contact device 100 with a total of four contact sockets 20, the sectional view of FIG Fig. 1 two contact sockets 20 are cut and one contact socket 20 is shown uncut. All four contact sockets 20 are identical in structure, which is why the structure of the contact sockets 20 can be described using a representative contact socket 20, which is shown in FIG Figures 3 and 4 is shown.
  • the contact socket 20 is a one-piece stamped and bent part made of sheet metal and in the shape of a hollow cylinder. It is advantageously made from a single piece of sheet metal or strip and bent or bent together in the manner of a tube or round cylinder.
  • the contact socket 20 is also electrically conductive.
  • a number of fastening elements 22 for through-mounting the contact socket 20 on a printed circuit board 10 are arranged at a lower end of the contact socket 20.
  • the contact socket 20 has a total of six fastening elements 22 in the form of protruding pins.
  • the fastening elements 22 are inserted through corresponding through openings in the circuit board 10 and soldered to the circuit board 10, see FIG Fig. 1 .
  • the fastening elements 22 thus also electrically connect the contact socket 20 to the printed circuit board 10.
  • a free end of the contact socket 20 is located opposite the attached end.
  • the contact socket 20 has a first clamping leg 24, a second clamping leg 26, a third clamping leg 28 and a fourth clamping leg 30, see also Fig. 3 .
  • the first clamping leg 24 is arranged opposite the second clamping leg 26, and the third clamping leg 28 is arranged opposite the fourth clamping leg 30.
  • Two adjacent clamping legs are separated from one another by a gap 32. All clamping legs 24, 26, 28, 30 are evenly distributed and arranged at the same angle to one another.
  • All of the terminal legs 24, 26, 28, 30 delimit a plug receiving space 130 between them for receiving a plug 180.
  • the plug receiving space 130 has a longitudinal axis 132.
  • Fig. 4 shows the contact socket 20 with the plug 180, which is received in the plug receiving space 130.
  • the plug 180 is also a one-piece stamped and bent part made of sheet metal and is designed in the shape of a hollow cylinder.
  • the first clamping leg 24 has a first clamping projection 25 with a first insertion bevel 34
  • the second clamping leg 26 has a second clamping projection 27 with a second insertion bevel 36
  • the third clamping leg 28 has a third clamping projection 29 with a third insertion bevel 38
  • the fourth clamping leg 30 has a fourth clamping projection 31 with a fourth insertion bevel 40.
  • a respective clamping projection 25, 27, 29, 31 is arranged on an upper edge of the corresponding clamping leg 24, 26, 28, 30 and is bent or bent outward in the radial direction in such a way that the clamping projections 25, 27, 29, 31 form the connector receiving space 130 zoom. They quasi simultaneously form the funnel-like lead-in bevels 34, 36, 38 and 40.
  • a respective lead-in bevel 34, 36, 38, 40 faces the plug receiving space 130 and is designed to position the plug 180 more easily within the plug receiving space 130 when the plug 180 is inserted into the contact socket 20.
  • the plug 180 is pushed onto the printed circuit board 10 in the direction of the longitudinal axis 132. If the plug 180 hits one of the lead-in bevels 34, 36, 38, 40 when it is inserted into the contact socket, it slides along this lead-in bevel 34, 36, 38, 40 until it is largely concentric with the contact socket 20 and easily completely in the contact socket 20 can be used.
  • the clamping actuator 80 is formed with a screw 82 and a thread 84 in which the screw 82 is received.
  • the thread 84 is formed on a thread device 86 in the form of a clamp.
  • the thread device 86 is also fastened, in particular soldered, to the circuit board 10 with protruding pins.
  • a longitudinal axis 83 of the screw 82 runs parallel to the longitudinal axis 132 when the screw is received by the thread 84.
  • the screw and the thread 84 are arranged between the circuit board 10 and the clamping frame 50. In particular, the screw head of the screw 82 rests against the clamping frame 50.
  • the clamping frame 50 has an opening 52 through which a tool, in particular a screwdriver, can be guided from above to turn the screw 82. If the screw 82 is unscrewed from the thread 84 with the screwdriver, the screw head engages the clamping frame 50 and pushes it away from the circuit board 10. This also works in the other direction.
  • the screw 82 is designed to move the clamping frame 50 relative to the printed circuit board 10 in a clamping direction 60 by rotating it.
  • the clamping direction 60 is parallel to the longitudinal direction 132 of the contact socket 20 and perpendicular to the circuit board 10.
  • a lateral surface of the four contact sockets 20 is surrounded by the clamping frame 50.
  • the clamping frame 50 is a one-piece plastic component and insulates the contact socket 20 from one another.
  • the clamping frame 50 isolates the clamping projections 25, 27, 29, 31 of a contact socket 20 from the clamping projections 25, 27, 29, 31 of an adjacent contact socket 20.
  • the clamping frame 50 has four openings 54.
  • Each of the contact sockets 20 is arranged in one of the openings 54.
  • Each opening 54 has contiguous clamping bevels 56, in particular funnel-like, which form a contiguous surface and which interact with the clamping projections 25, 27, 29, 31 of the contact socket 20.
  • the intended play between the contact socket 20 and the plug 180 is reduced by the compression of the clamping projections 25, 27, 29, 31 in such a way that the plug 180 is clamped in the contact socket 20. If the plug 180 is clamped by the contact socket 20, there is a force fit between the screw 82, the thread device 86, the printed circuit board 10, the contact socket 20, the plug 180 and the clamping frame 50.
  • the contact socket can have tabs on which an insulating plate with the thread for the screw rests.
  • the circuit board is not included in the frictional connection, which is why it does not experience any mechanical loads as a result of the plug jamming. This can advantageously increase the service life of the printed circuit board.
  • the plug 180 When the plug 180 is clamped by the contact socket 20, the plug 180 can only be pulled out of the contact socket 20 with a plug removal force from the plug receiving space 130 which is relatively large.
  • This connector pull-off force must be selected in such a way that the clamping between the clamping legs 24, 26, 28, 30 and the connector 180 can be overcome.
  • the strength of the clamping between the clamping legs 24, 26, 28, 30 and the plug 180 can be adjusted via the screw 82 and thus the required plug pull-off force. The greater the distance between the clamping frame 50 and the circuit board 10, the more the plug 180 is clamped by the contact socket 20 and the greater the plug pull-off force.
  • the clamping can therefore be adjusted via the screw 82 in such a way that the plug pull-off force is greater than the forces that occur during operation of the plug contact device 100 or the associated device. As such, the plug should no longer be removed at all, at least not without releasing the clamp. In this way, a secured electrical contact is established between the plug 180 and the contact socket 20, but which can also be easily released again.
  • the screw 82 is screwed back into the thread 84, whereby the bias of the clamping legs 24, 26, 28, 30 can be released.
  • the pretensioning of the clamping legs 24, 26, 28, 30 has the effect that the clamping frame 50 is pressed downwards or against the screw 82 and that the distance between the clamping frame 50 and the circuit board 10 is reduced when the pretensioning is released.
  • the clamping frame 50 moves towards the printed circuit board 10 opposite to the clamping direction 60.
  • the clamping projections 25, 27, 29, 31 slide along the clamping bevels 56, so that the connector receiving space 130 expands again when the preload is released.
  • the plug receiving space 130 is expanded in such a way that the aforementioned clearance fit occurs again between the plug 180 and the contact socket 20 and the plug 180 can be pulled out of the plug receiving space 130 without force.
  • Fig. 5 and 6th show a plug system 200 which has the plug contact device 100 and a plug holder 150.
  • the connector holder 150 has four retaining pins 160 on which four structurally identical hollow cylindrical connectors 180 are seated, possibly connected with a press fit.
  • Each of the retaining pegs has 160 a latching nose which engages in a corresponding latching recess in the plug 180 when the plug 180 is pressed onto the retaining peg 160.
  • the plug holder 150 can be inserted into the plug contact device 100, wherein in Fig. 5 a pulled state of the connector system 200 is shown and none of the connectors 150 in the Plug receiving spaces 130 of the contact sockets 20 is added. In Fig. 6 an inserted state of the plug system 200 is shown, the plugs 180 being received in the plug receiving spaces 130 of the contact sockets 20.
  • the electrical connections between the plugs 180 and the contact sockets 20 are not yet established.
  • the screw 82 In order to establish the electrical connections between the plugs 180 and the contact sockets 20 or in order to release the electrical connections that have been made, the screw 82 must be able to be actuated.
  • the plug holder 150 therefore has an opening 155 through which the screw 82 can be actuated from above.
  • the opening 155 of the connector holder 150 is concentric to the opening 52 of the clamping frame when the connectors 180 are received in the connector receiving spaces 130.
  • the clamping actuator 80 has a one-piece eccentric 88 with an actuating device 90 in the form of a lever which can be actuated by a user.
  • the eccentric 88 is arranged between the circuit board 10 and the clamping frame 50.
  • the actuating device 90 protrudes beyond the clamping frame 50.
  • the clamping actuator 80 is rotatably mounted on the clamping frame 50, in particular with a swivel joint.
  • the eccentric 88 is designed to move the clamping frame 50 relative to the printed circuit board 10 in the clamping direction 60 when the actuating device 90 is rotated, in particular by approximately 180 °.
  • the eccentric 88 guides the clamping frame 50 between a first state and a second state or raises it.
  • the distance between the circuit board 10 and the clamping frame 50 in the second upper state of the clamping frame 50 is greater than in the first lower state of the clamping frame 50, and the connector receiving space 130 is smaller in the second state of the clamping frame 50 than in the first state of the clamping frame 50
  • the plug 180 in the first state of the clamping frame 50, the plug 180 is received in the plug receiving space 130 with a loose fit, that is to say loosely, and no secure electrical contact has yet been made.
  • the plug 180 can be plugged into the plug receiving space 130 without force or removed from the plug receiving space 130 without force.
  • the plug 180 is clamped between the clamping legs 24, 26, 28, 30 and the secured electrical contact has been made.
  • FIGS 8 and 9 show two different side views of the plug contact device 100.
  • the clamping frame 50 is in the first state, that is to say at the bottom.
  • FIG. 13 shows the side views of the plug contact device 100 from FIG Figures 8 and 9 with the difference that the clamping frame 50 is in the second upper state.
  • the eccentric 88 is now rotated by 180 °, as a result of which it has pushed the clamping frame 50 away from the circuit board and has increased the distance between the clamping frame 50 and the circuit board 10.
  • the eccentric 88 is designed to automatically transfer the clamping frame 50 from the first state to the second state or from the second state to the first state when the eccentric 88 has already been rotated through 120 °.
  • the eccentric 88 therefore only has to be rotated through 120 ° in order to transfer the clamping frame 50 between the first state and the second state. However, it can also be rotated further, possibly without any effect, in order to lie flat again with a rotation of 180 ° and possibly lock into place by means of a latching device.
  • Fig. 12 shows that the clamping actuator 80 has an actuating device 90 and an inclined surface coupling.
  • the actuating device 90 is arranged between the circuit board 10 and the clamping frame 50 and rests against the circuit board 10.
  • the actuating device 90 has a centering pin 96 which is arranged in a form-fitting manner within a corresponding centering opening 98 of the clamping frame 50. If the actuating device 90 is rotated, the actuating device 90 rotates around the centering pin 96.
  • One axis of rotation of the actuating device 90 is perpendicular to the printed circuit board 10 and parallel to the longitudinal axis 132 of the contact socket 20.
  • the actuating device 90 can be rotated by a maximum of 45 °.
  • the inclined surface coupling has a plurality of first inclined surfaces 92 and a plurality of second inclined surfaces 94.
  • Fig. 13 and 14th show that the plug contact device 100 comprises four first inclined surfaces 92 and four second inclined surfaces 94.
  • the first inclined surfaces 92 are integrally formed at the bottom of the clamping frame 50 and the second inclined surfaces 94 are integrally formed at the top of the actuating device 90.
  • the first inclined surfaces 92 are evenly distributed around the centering opening 98 and are arranged at the same angle to one another and the second inclined surfaces 94 are evenly distributed around the centering pin 96 and are arranged at the same angle to one another.
  • the actuating device 90 is arranged between the printed circuit board 10 and the clamping frame 50, see FIG Fig. 12 , the inclined surfaces 92, 94 are parallel to each other and facing each other, in particular the inclined surfaces 92, 94 touch.
  • the inclined surfaces 92, 94 are not parallel to the circuit board 10, their angle to it can be 30 ° to 60 °.
  • the inclined surfaces 92, 94 cooperate in such a way that they slide along one another. In this case, due to the incline, the clamping frame 50 is pushed away from the circuit board 10 or it can move towards the circuit board 10.
  • a tool could also be gripped through the opening 98, similar to the first embodiment, in order to rotate the second inclined surfaces 94.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
EP20194015.2A 2019-09-13 2020-09-02 Dispositif de contact enfichable et système enfichable Active EP3793034B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019214013.0A DE102019214013B3 (de) 2019-09-13 2019-09-13 Steckkontakteinrichtung und Stecksystem

Publications (2)

Publication Number Publication Date
EP3793034A1 true EP3793034A1 (fr) 2021-03-17
EP3793034B1 EP3793034B1 (fr) 2022-11-23

Family

ID=72340228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20194015.2A Active EP3793034B1 (fr) 2019-09-13 2020-09-02 Dispositif de contact enfichable et système enfichable

Country Status (3)

Country Link
EP (1) EP3793034B1 (fr)
DE (1) DE102019214013B3 (fr)
ES (1) ES2938728T3 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422703A (en) * 1981-09-15 1983-12-27 Thomas & Betts Corporation Electrical connector for use with multi-pin arrays
DE3784889T2 (de) * 1986-12-26 1993-06-24 Fujitsu Ltd Elektrischer steckverbinder.
DE4326091A1 (de) * 1992-12-18 1994-06-30 Fujitsu Ltd Verbinder und Verfahren zum Montieren desselben
US6350138B1 (en) * 1999-08-30 2002-02-26 Texas Instruments Incorporated Socket for removably mounting electronic parts having a plurality of conductive terminals such as BGA packages
DE102015203518A1 (de) * 2015-02-27 2016-09-01 Robert Bosch Gmbh Steckverbindung für eine elektrische Verbindung
EP3104665A1 (fr) 2015-06-10 2016-12-14 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif de chauffage a induction et champ de cuisson a induction equipe d'un tel dispositif de chauffage a induction
US9735486B1 (en) * 2016-05-06 2017-08-15 Alltop Electronics (Suzhou) Ltd. Electrical connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4563974B2 (ja) * 2005-08-29 2010-10-20 日本圧着端子製造株式会社 電気コネクタおよびこれを備える液晶表示装置
DE102010044689B4 (de) * 2010-09-08 2012-05-03 Amphenol-Tuchel Electronics Gmbh Kontaktiervorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422703A (en) * 1981-09-15 1983-12-27 Thomas & Betts Corporation Electrical connector for use with multi-pin arrays
DE3784889T2 (de) * 1986-12-26 1993-06-24 Fujitsu Ltd Elektrischer steckverbinder.
DE4326091A1 (de) * 1992-12-18 1994-06-30 Fujitsu Ltd Verbinder und Verfahren zum Montieren desselben
US6350138B1 (en) * 1999-08-30 2002-02-26 Texas Instruments Incorporated Socket for removably mounting electronic parts having a plurality of conductive terminals such as BGA packages
DE102015203518A1 (de) * 2015-02-27 2016-09-01 Robert Bosch Gmbh Steckverbindung für eine elektrische Verbindung
EP3104665A1 (fr) 2015-06-10 2016-12-14 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif de chauffage a induction et champ de cuisson a induction equipe d'un tel dispositif de chauffage a induction
US9735486B1 (en) * 2016-05-06 2017-08-15 Alltop Electronics (Suzhou) Ltd. Electrical connector

Also Published As

Publication number Publication date
DE102019214013B3 (de) 2021-01-21
EP3793034B1 (fr) 2022-11-23
ES2938728T3 (es) 2023-04-14

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