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EP3482461B1 - Dispositif de contact électrique - Google Patents

Dispositif de contact électrique Download PDF

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Publication number
EP3482461B1
EP3482461B1 EP18735259.6A EP18735259A EP3482461B1 EP 3482461 B1 EP3482461 B1 EP 3482461B1 EP 18735259 A EP18735259 A EP 18735259A EP 3482461 B1 EP3482461 B1 EP 3482461B1
Authority
EP
European Patent Office
Prior art keywords
elastic element
electrical contact
inner conductor
contact device
outer conductor
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
EP18735259.6A
Other languages
German (de)
English (en)
Other versions
EP3482461A1 (fr
Inventor
Christian Dandl
Benedikt Schwarz
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
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.)
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Publication date
Application filed by Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Publication of EP3482461A1 publication Critical patent/EP3482461A1/fr
Application granted granted Critical
Publication of EP3482461B1 publication Critical patent/EP3482461B1/fr
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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
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H01R12/718—Contact members provided on the PCB without an insulating housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other 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
    • H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]

Definitions

  • the present invention relates to an electrical contact device, a first elastic element which is contained in this electrical contact device, and an assembly which contains this electrical contact device.
  • So-called board-to-board connectors have established themselves as a fast data transmission interface for high-frequency signals between two high-frequency components, for example two circuit boards with high-frequency electronics each. These board-to-board connectors not only have the task of establishing an electrical connection for high-frequency signals between the two high-frequency components with an adapted characteristic impedance, but also to compensate for an axial offset and an angular offset between the two high-frequency components.
  • the US 2012/0214357 A1 discloses a coaxial board-to-board connector which has an elastic outer and inner conductor to compensate for an axial offset and / or a radial offset between the two circuit boards.
  • the elasticity of the outer and inner conductors is achieved by slotting.
  • the board-to-board connector which is in the TW 201 607 186 A is described, a distance between the two circuit boards deviating from the nominal distance is solved by a three-part implementation.
  • the two circuit board connectors which are each mechanically and electrically permanently connected to a circuit board, are bridged by an adapter connected in between, which compensates for the variable distance between the circuit boards.
  • the WO 2007/009549 A1 discloses a coaxial board-to-board connector which compensates for a variable distance between the two circuit boards via outer and inner conductors made of an electrically conductive elastomer.
  • coax-SLC-contact elements for compensating for the axial offset between the two high-frequency components so-called coax-SLC-contact elements (English: coaxial s pring l oaded c ontact; German: coaxial resilient contact) used.
  • the contact on the inner conductor side is implemented as a spring contact pin, ie as a contact pin which is resiliently mounted in a socket-shaped housing. While the socket-shaped housing is typically fixed on one high-frequency component, the contact pin makes contact with the other high-frequency component with its contact tip.
  • the contact on the outer conductor side is implemented as a contact ring which is resiliently mounted to form a slotted contact socket.
  • the slotted contact socket is typically fixed to one high-frequency component, while the contact ring makes contact with the other high-frequency component
  • a Coax SLC contact element contains a comparatively high number of individual parts, which unnecessarily increases the costs for the production and logistics of such a product.
  • the geometrical extent of such a Coax-SLC contact element is still too large to be able to meet future requirements for the distance between several Coax-SLC contact elements positioned in a grid or in a row.
  • the present invention is based on the object of providing an electrical contact device for electromechanical contacting between two components, preferably a high-frequency contact device for electromechanical contacting between two high-frequency components to specify, which is minimized in terms of its size and the number of its individual parts.
  • an elastic element which is referred to below as the first elastic element, made of an electrically insulating material, is arranged between the at least one inner conductor and the outer conductor. Due to its arrangement between the at least one inner conductor and the outer conductor and its electrically insulating property, the first elastic element serves on the one hand as an insulator element within the high-frequency contact device.
  • the elastic element Due to its elasticity and its fixation on the outer conductor, the elastic element can in the compressed case - if the outer conductor, which can be changed in its axial extent, is also compressed when making contact with the first and the second component - to the outer conductor a spring force with which the outer conductor in each case one exerts sufficient contact pressure on the first and second components.
  • a compact electrical contact device for high-frequency signals is created from a minimized number of individual parts, which, depending on the axial offset between the two high-frequency components to be connected, realizes reliable electrical contact between the two high-frequency components.
  • the outer conductor and the at least one inner conductor can each be firmly connected to the first component and / or to the second component, for example by means of a soldered connection.
  • the outer conductor and the at least one inner conductor can each only make electrical contact with the first component and / or the second component.
  • the outer conductor and the at least one inner conductor are each pressed against associated contact surfaces on the first component and / or on the second component.
  • the outer conductor and the at least one inner conductor are each made of metal to realize an electrical connection for a high-frequency signal between a first component and a second component.
  • the first elastic element with its electrically insulating property is made from an elastomer, for example natural rubber, silicone, rubber, or a TPE (thermoplastic elastomer).
  • an elastomer for example natural rubber, silicone, rubber, or a TPE (thermoplastic elastomer).
  • the first elastic element is arranged between the at least one inner conductor and the outer conductor of the electrical contact device and is thus shaped approximately in the shape of a sleeve.
  • the first elastic element preferably has a reduced rigidity.
  • This reduced rigidity of the first elastic element in its central area has the advantageous effect that the greatest elastic deformation of the first elastic element occurs primarily in this central area and not in the two end areas.
  • the reduced rigidity in the central area of the first elastic element is preferably realized by a reduced outer diameter and by several slots running in the longitudinal axis direction, which are located between the outer and inner surfaces of the hollow first elastic element. Through this running in the longitudinal axis direction In the case of a pressure force acting in the longitudinal axis direction, the reduced outside diameter of the central region increases in size, while the axial longitudinal extent of the central region of the first elastic element is advantageously shortened.
  • the reduced outside diameter in the central area can expand to the size of the non-reduced outside diameter in the end areas of the first elastic element.
  • At least one recess is provided in each case on the inner and / or outer surface within the central area of the sleeve-shaped first elastic element.
  • This at least one recess leads to an additional reduction in the cross section of the first elastic element in the region of the recess.
  • the individual recesses are preferably arranged at points in the central region in which a deformation of the first elastic element in the radial direction occurs particularly strongly during contraction.
  • the effective permittivity of the electrically insulating area in a section of the electrical contact device in which the central area of the first elastic element is located is reduced compared to a section of the electrical contact device Contact device in which the two end regions of the first elastic element are located. This increases the characteristic impedance in this section of the electrical contact device.
  • the outer diameter of the at least one inner conductor is increased in the middle area compared to the end areas.
  • the axial variability of the outer conductor and the at least one inner conductor is preferably realized in that the at least one inner conductor is made up of a solid first inner conductor part that is connected to or can be contacted with the first component and a solid one with the second component connected or contactable second inner conductor part and the outer conductor is composed of a solid, connected to the first component or contactable first outer conductor part and a solid, connected to the second component or contactable second outer conductor part.
  • the first and the second inner conductor part and the first and the second outer conductor part are each rigid components which each have an elasticity only in the contacting area with the inner conductor or outer conductor part to be contacted.
  • the first and the second inner conductor part and the first and the second outer conductor part are preferably each components which each have a greater rigidity in the axial direction than in the radial direction, especially in the contacting area with the inner conductor or outer conductor part to be contacted.
  • the first and the second outer conductor part are in electrical contact with one another. They can be moved to one another in the axial direction and overlap in the axial direction. Depending on the degree of overlap of the first and the second outer conductor part, there is a different axial extension of the outer conductor.
  • the effective axial extension of the outer conductor is reduced compared to the non-compression case.
  • An outer conductor with an extension that can be changed in the axial direction is thus realized via the axial overlap of the first and second outer conductor parts.
  • first and second inner conductor parts of each individual inner conductor are each also in electrical contact with one another. They can also be moved to one another in the axial direction and overlap in the axial direction. The overlap of the first and the second inner conductor part thus results in an inner conductor in each case with an extension that can be changed in the axial direction.
  • the extension of the inner conductor which can be changed in the axial direction is to be decoupled from the extension of the outer conductor which can be changed in the axial direction.
  • a second elastic element is provided between the first and the second inner conductor part of the at least one inner conductor. This second elastic element realizes an elastic connection between the first and the second inner conductor part and makes it possible to compensate for an axial offset on the inner conductor side between the first and the second component.
  • the second elastic element in this first sub-variant of the first embodiment is equivalent to the first elastic element, likewise made of an electrically insulating material.
  • the first elastic element and the second elastic element are implemented as the only common elastic element.
  • the electrical contact between the first and the second inner conductor part is typically made via several spring tabs distributed around the circumference of the first or second inner conductor part and separated from one another by a slot of a contacting area of the first or second inner conductor part implemented as a spring sleeve.
  • the spring tabs of the first or the second inner conductor part are each in a form-fitting or non-positive connection with a contacting area on the outer surface of the respective opposite second or first inner conductor part.
  • the common elastic element contains a region corresponding to the first elastic element, which is located outside the spring sleeve of the first or second inner conductor part, and a region corresponding to the second elastic element, which is located inside the spring sleeve of the first or second inner conductor part.
  • the common elastic element is shaped in such a way that it passes through at least one slot to the first or second inner conductor part respectively associated spring sleeve is passed.
  • the common elastic element thus contains, in addition to the regions corresponding to the first and second elastic elements, at least one additional connecting region which is guided through a slot and connects the first and second elastic elements to one another.
  • the at least one connection area within the common elastic element is typically of small volume compared to the two areas corresponding to the first and second elastic element, the areas of the common elastic element corresponding to the first and second elastic element are approximately decoupled from one another with regard to their elasticity .
  • the first and the second elastic element are each implemented as individual parts that are not connected to one another. In this case, the elasticities of the first and the second elastic element are completely decoupled from one another.
  • the second elastic element is made from an electrically conductive material.
  • the second elastic element advantageously not only realizes an elastic mechanical connection, but also a further electrical contact between the first and the second inner conductor part of the respective inner conductor.
  • Any spring element made of a metal, for example a spiral spring, can preferably be used as the second elastic element.
  • no second elastic element is provided between the first and the second inner conductor part of the at least one inner conductor.
  • the first elastic element is additionally fixed to the at least one inner conductor.
  • the axially variable extension of the outer conductor takes place in that the outer conductor is implemented as a metallic coating on the outer surface of the first elastic element.
  • the at least one inner conductor settles like in the first Embodiment of the electrical contact device according to the invention in two parts each composed of a first inner conductor part connected or contactable with the first component and a second inner conductor part that can be contacted with the second component.
  • the wave resistance of the electrical contact device is adapted over the entire longitudinal extent in that, in the event of compression, the coating of the outer conductor, which expands radially outward in the middle area, is compensated for by an enlarged outer diameter of the at least one inner conductor in the middle area.
  • a second elastic element which is preferably designed as an electrically conductive spiral spring, between the first and the second inner conductor part of the at least one inner conductor in the first sub-variant of the second embodiment of the electrical contact device according to the invention.
  • no second elastic element is provided between the first and the second inner conductor part of the at least one inner conductor. Instead, the first elastic element is additionally fixed to the at least one inner conductor.
  • the inner surface of the first elastic element is also provided with a metallic coating, which serves as the inner conductor of the electrical contact device according to the invention.
  • the axial extension of the non-compressed inner conductor changes into axially extending areas and radially extending areas when the electrical contact device is compressed.
  • the effective axial extension of the inner conductor is reduced accordingly.
  • the wave resistance is adapted over the entire axial longitudinal extent of the electrical contact device according to the invention in that only in the middle area when the electrical contact device is compressed, the changed distance between the inner and outer conductor coating is achieved by a suitable arrangement and number of slots and of Recesses and is compensated by suitable dimensioning of the slot width and the slot length as well as the recess width and the recess depth.
  • an assembly according to the invention which contains the electrical contact device according to the invention, the first component connected or contactable with the electrical contact device according to the invention and the second component connected or contactable with the electrical contact device according to the invention is also covered by the invention.
  • the invention also covers a first elastic element made of an electrically insulating material, which is set up in such a way that it can be fixed to an outer conductor of an electrical contact device.
  • FIG. 6A to 6C Before using the Figures 6A to 6C an electrical contact device according to the invention for transmitting a differential high-frequency signal, ie a symmetrical high-frequency signal, between two components is explained with reference to the following Figures 1A to 5B different versions of a coaxial contact device for the transmission of an asymmetrical high-frequency signal presented in detail.
  • the first figure of each presented sub-variant or characteristic of the electrical contact device represents the operating case in which there is no electrical contact between the two components via the electrical contact device and thus the electrical contact device is not compressed.
  • the operating case In the second figure of each presented sub-variant or variant of the electrical contact device, the operating case is shown in which electrical contact is made between the two components via the electrical contact device and the electrical contact device is thus compressed:
  • the electrical contact device according to the invention is designed as a coaxial contact device.
  • the coaxial contact device has an outer conductor 1 and a single inner conductor 2 which is arranged coaxially to the outer conductor 1 within the outer conductor 1.
  • first component 3 preferably a first high-frequency component
  • second component 4 preferably a second high-frequency component, in particular if one is present axial offset between the first and the second component 3 and 4
  • the axial extent of the metallic outer conductor 1 and the metallic inner conductor 2 of the electrical contact device according to the invention can be changed.
  • the axial extension of the outer conductor 1 is composed of a solid first outer conductor part 1 1 and a massive second outer conductor part 1 2 , which are in electrical contact with one another on the one hand and can be moved in an axial lengthwise direction on the other.
  • the axial extension of the inner conductor 2 is composed of a solid first inner conductor part 2 1 and a solid second inner conductor part 2 2 , which are also in electrical contact with one another on the one hand and can be moved in an axial lengthwise direction on the other.
  • first and second outer conductor parts 1 1 and 1 2 and the first and second inner conductor parts 2 1 and 2 2 overlap each other for different lengths.
  • the effective axial extension of the outer conductor 1 and the inner conductor 2 results from the degree of overlap of the first and second outer conductor parts 1 1 and 1 2 or the first and second inner conductor parts 2 1 and 2 2 .
  • the first outer conductor part 1 1 and the first inner conductor part 2 1 of the electrical contact device according to the invention are each electrically and mechanically connected to associated contact surfaces on the first component 3.
  • the connection is made here using common connection techniques, for example by means of soldering.
  • the first outer conductor part 1 1 and the first inner conductor part 2 1 as in FIG Figure 4A is indicated, only be contactable with the first component 3.
  • the first outer conductor part 1 1 and the first inner conductor part 2 1 are in operation via an in Figure 4A
  • the device (not shown) is brought into electrical contact with the associated contact surfaces on the first component 3 without realizing a permanent mechanical connection between the first outer conductor part 1 1 or the first inner conductor part 2 1 and the associated contact surfaces on the first component 3.
  • the second outer conductor part 1 2 and the second inner conductor part 2 2 of the electrical contact device according to the invention can be contacted with associated contact surfaces on the second component 4 or are firmly connected to associated contact surfaces on the second component 4 using a common connection technology.
  • the first component 3 and the second component 4 are each preferably a high-frequency component.
  • This high-frequency component can typically be a printed circuit board equipped with high-frequency electronics, a housing in which high-frequency electronics are installed, a substrate in which high-frequency electronics are integrated, or a single high-frequency component, for example a high frequency filter or high frequency amplifier.
  • either the first outer conductor part 1 1 or the second outer conductor part 1 2 is formed as a spring sleeve in its contact area with the contacting outer conductor part 1 2 or 1 1 .
  • the contact area of the first is analogous Inner conductor part 2 1 or the second inner conductor part 2 2 with the respective contacting inner conductor part 2 2 or 2 1 also implemented as a spring sleeve in order to realize a secure electrical contact between the first and second inner conductor part 2 1 and 2 2 .
  • the second outer conductor part 1 2 is shaped in its contact area as a spring sleeve which contacts the inner surface of the first outer conductor part 1 1 with radially outwardly directed extensions at the distal ends of its spring lugs 5.
  • the first inner conductor part 2 1 is shaped in its contact area as a spring sleeve which contacts the outer surface of the second inner conductor part 2 2 with radially inwardly directed extensions at the distal ends of its spring lugs 6.
  • the spring tabs 6 of the spring sleeve of the first inner conductor part 2 1 and the contact with the outer surface of the second inner conductor part 2 2 refer to the Figures 2A and 2B referenced.
  • the first outer conductor part 1 1 has an inwardly directed web 7 1 at its distal end, which acts as a stopper for one provided on the outer surface of the second outer conductor part 1 2 and radially outwardly directed web 7 2 is used.
  • a first elastic element 8 made of an electrically insulating material is arranged coaxially to the outer conductor 1 and to the inner conductor 2.
  • An elastomer for example natural rubber, silicone, rubber, or a thermoplastic elastomer (TPE) is preferably suitable as an electrically insulating material with elasticity.
  • the first elastic element 8 is fixed on the outer conductor 1, preferably both on the first outer conductor part 1 1 and on the second outer conductor part 1 2 .
  • Serve as a fixation, as in the Figures 1A and 1B is indicated, preferably claws 9 which are respectively formed on the inner surface of the first and second outer conductor part 1 1 and 1 2 and are hooked into associated recesses 10 at appropriate positions on the outer surface of the first elastic member.
  • Alternative fixing methods, such as gluing, are also covered by the invention.
  • the first elastic element 8 can also only be fixed on the second outer conductor part 1 2 .
  • the first elastic element 8 By fixing the first elastic element 8 on the outer conductor 1, preferably on the first and second outer conductor parts 1 1 and 1 2 , the first outer conductor part 1 1 and the second outer conductor part 1 2 are elastically coupled to one another. As a result of this elastic coupling, the first and the second outer conductor part 1 1 and 1 2 can be moved elastically with respect to one another. Thus, an axial extension of the outer conductor 1 can be realized, which corresponds in contact with the second outer conductor part 1 2 with the second component 4 and the first outer conductor part 1 1 having the first component 3 to the distance between the first and second components 3 and 4.
  • the first elastic element 8 is essentially shaped like a sleeve.
  • a central region 11 of the sleeve-shaped first elastic element 8 which extends between the two end regions 12 1 and 12 2 at the axial ends of the elastic element, there is an elasticity that is increased to elasticity in the two end regions 12 1 and 12 2 .
  • the outer diameter in the central area 11 of the first elastic element 8 is reduced compared to the outer diameter in the two end areas 12 1 and 12 2 .
  • a plurality of slots 13 extending in the axial longitudinal direction of the coaxial contact device are preferably arranged in equidistant angular sections. These slots 13 extend from the outer surface to the inner surface of the sleeve-shaped first elastic element 8.
  • the first elastic element 8 preferably contains two slots 13. Alternatively, a higher number of slots 13 can also be present in the first elastic element 8, which is part of the invention is covered.
  • An additional increase in the elasticity in the central region 11 of the first elastic element 8 is achieved by additional recesses 14 on the inner surface and / or on the outer surface of the central region 11 of the first elastic element 8.
  • the reduced outer diameter of the central region 11 of the first elastic element 8, the slots 13 and the additional Recesses 14 in the central region 11 of the first elastic element 8 increase the wave resistance in the section of the electrical contact device according to the invention in which the central region 11 of the first elastic element 8 is located compared to the wave resistance in the sections of the electrical contact device according to the invention in which the two are located End regions 12 1 and 12 2 of the first elastic element 8 are located.
  • the wave resistance of the electrical contact device according to the invention is advantageously adapted over the entire axial longitudinal extent.
  • first and the second inner conductor part 2 1 and 2 2 there is a second elastic one with respect to an elastic coupling of the first and the second inner conductor part 2 1 and 2 2 and thus an elastic mobility of the first and the second inner conductor part 2 1 and 2 2 Element 15 is provided.
  • This second elastic member 15 is disposed in an internal space 16 which is located between the sleeve-shaped end of the second inner conductor part 1 2 and the molded as a spring sleeve end of the first inner conductor part 1. 1
  • this second elastic element 15 is produced from an electrically insulating material. It is preferably made from the same material as the first elastic element 8, namely from an elastomer.
  • the first elastic element 8 and the second elastic element 15 form a common elastic element 17.
  • the first elastic element 8 represents a first region 17 1 of the common elastic element 17 and the second elastic element 15 a second region 17 2 of the common elastic element 17.
  • the first area 17 1 and the second area 17 2 are connected to one another via a plurality of connection areas 17 3 within the common elastic element 17.
  • the connection areas 17 3 are each passed through a slot in the contact area of the first inner conductor part 2 1 , which is formed as a spring sleeve.
  • the axial longitudinal extension of the first elastic element 8 or of the common elastic element 17 is slightly reduced at its axial ends compared to the axial longitudinal extension of the inner conductor 2 and the outer conductor 1. This slight reduction in the axial longitudinal extension enables reliable electrical contact to be made between the first inner conductor part 2 1 and the first outer conductor part 1 1 with the first component 3 and the second inner conductor part 2 2 and the second outer conductor part 1 2 with the second component 4.
  • the first elastic element 8 and the second elastic element 15 are each implemented as individual parts. While in the first version there is still a slight coupling between the first and second elastic elements 8 and 15 due to the elastic connection of the first and second elastic elements 8 and 15 via the individual connection areas 17 3 of the common elastic element 17, in the second expression, the first and the second elastic element 8 and 15 completely elastically decoupled from one another.
  • the outer conductor 1 and the inner conductor 2 in the second embodiment thus have their own decoupled elasticity and in this way can optimally compensate for non-planarities in the first component 3 and / or in the second component 4.
  • a second elastic element 15 made of an elastomer
  • a second elastic element 15 is also possible, which as a spiral spring made of an electrically insulating Material is executed, and covered by the invention with.
  • the outer diameter of the inner conductor 2 corresponds to the inner diameter of the elastic element 8 at least in a certain area of the axial longitudinal extent - here: the enlarged outer diameter of the first inner conductor part 2 1 in the immediate vicinity of the central area 11 of the first elastic element 8.
  • the inner conductor 2 is advantageously guided by the first elastic element 8 in its radial positioning within the electrical contact device according to the invention.
  • a second elastic element 15 'made of an electrically conductive material is used for realizing the elasticity of the inner conductor 2.
  • the second elastic element 15 ' is preferably made of a metal and implemented as a spiral spring.
  • the second elastic element 15 is completely dispensed with.
  • the elasticity of the inner conductor 2 is additionally realized by a further expression of the first elastic element 8 '.
  • This expression of the first elastic element 8 ′ is fixed not only on the outer conductor 1, but also in parallel on the inner conductor 2.
  • the fixing of the first elastic element 8 ′ on the inner conductor 2 can preferably take place on both the first and the second inner conductor part 2 1 and 2 2 .
  • the invention also covers the fixing of the first elastic element 8 ′ only on the second inner conductor part 2 2 .
  • first and second inner conductor parts 2 1 and 2 2 have a plurality of claws 18 which are arranged distributed at equidistant angular intervals and which hook into associated recesses 19 of the first elastic element 8 '.
  • other fixing methods such as gluing or any other suitable form-fitting or force-fitting connection, can also be used.
  • recesses 20 are provided at different points in the two end regions 12 1 and 12 2 of the first elastic element 8'. These recesses 20 are each positioned completely randomly within the first elastic element 8 'without any particular order being present. In this way, the first elastic element 8 ′ has a different elasticity in an area adjacent to the outer conductor 1 than in an area adjacent to the inner conductor 2. This ensures that the outer conductor 1 has a different elasticity than the inner conductor 2.
  • the second elastic element 15 is not required in the third sub-variant, there is also no interior space 16 between for positioning the second elastic element 15 the first and the second inner conductor part 2 1 and 2 2 required.
  • the second inner conductor part 2 2 therefore no longer has to be shaped like a sleeve at its contacting end.
  • the electrical contact device according to the invention contains several inner conductors.
  • the invention is not restricted to two inner conductors.
  • several pairs of two inner conductors each, each of which transmits a differential signal are also covered by the invention.
  • two pairs of two inner conductors each are arranged crossed over one another.
  • the fourth sub-variant of the first embodiment there are several inner conductors in the electrical contact device according to the invention, so that the arrangement between the outer conductor and the inner conductors, as from the cross section of FIG Figures 6B and 6C emerges, no longer has coaxiality.
  • the first elastic element is also no longer arranged and shaped coaxially to the inner and outer conductors.
  • outer conductor 1 is composed of a first and a second outer conductor part 1 1 and 1 2 in equivalence to the previously described sub-variants and forms, the spaced-apart inner conductors 2 1 and 2 2 with their first and second inner conductor parts 2 1 1 and 2 1 2 or 2 2 1 and 2 2 2 arranged.
  • a first elastic element 8 ′′ is arranged between the outer conductor 1 and the two inner conductors 2 1 and 2 2 and is preferably fixed to the outer conductor 1 by means of claws 9.
  • the area 21 1 between the two inner conductors 2 1 and 2 2 and the two areas 21 2 and 21 3 which are located opposite the area 21 1 between the outer conductor 1 and one of the two inner conductors 2 1 and 2 2 , not filled by the first elastic element 8 ′′.
  • a second elastic element 15 1 and 15 2 likewise made of an electrically insulating material, preferably made of an elastomer, is provided in each inner conductor 2 1 and 2 2 .
  • elasticity of the inner conductors 2 1 and 2 2 and thus relative elastic mobility between the associated first and second inner conductor parts 2 1 1 and 2 1 2 or 2 2 1 and 2 2 2 is achieved .
  • the first elastic element 8 ′′ there is a common elastic element from the first elastic element 8 ′′ and the two second elastic elements 15 1 and 15 2 conceivable and covered by the invention.
  • the outer conductor 1 is implemented as a metallic coating 1 'on the outer surface of the first elastic element 8'''. If the electrical contact device according to the invention and thus the first elastic element 8 '''are compressed as a result of contact pressure of the first and second components 3 and 4 on the electrical contact device according to the invention, the diameter in the central area 11 of the first elastic element 8''' increases. with simultaneous axial shortening of the central region 11, as can be seen from the three-dimensional representation of the first elastic element 8 '''in the second embodiment of the electrical contact device according to the invention in FIG Fig. 9 emerges. In the compression case, the completely axial extension of the outer conductor coating 1 'in the non-compression case merges into radial extension regions and reduced axial extension regions. In this way, the effective axial extension of the outer conductor 1 'is reduced.
  • a contact crown 22 is provided at the axial ends of the first elastic element 8' '', in particular in the area of the outer conductor coating 1 '.
  • This contact crown 22 is firmly mechanically connected to the outer conductor coating 11 ', for example by means of soldering or press fit. Reliable electrical contact between the outer conductor coating 1 ′ and the associated contact surfaces on the first and second components 3 and 4 is thus ensured.
  • the inner conductor 2 is arranged within the sleeve-shaped first elastic element 8 '''.
  • the inner conductor 2 is composed of a first and a second inner conductor part 2 1 and 2 2 , which are in electrical contact with one another and can be moved elastically relative to one another.
  • the second inner conductor part 2 2 is formed in its contact area with the first inner conductor part 2 1 as a spring sleeve, the spring tabs of which electrically contact the outer surface of the first inner conductor part 2 1 .
  • the elasticity of the inner conductor 2 is preferably realized in analogy to the third sub-variant of the first embodiment via a second elastic element 15 'made of an electrically conductive material, preferably via a spiral spring.
  • a second elastic element 15 made of an electrically insulating material, preferably made of an elastomer, according to the second form of the first sub-variant is also conceivable within the first embodiment and also covered by the invention.
  • the first elastic element 8 '' ' is additionally fixed to the inner conductor 2 according to the fourth sub-variant of the first embodiment, so that a technical solution without a second elastic element is also conceivable.
  • the first elastic element 8 ''' also has a metallic coating 2' on the inner surface that realizes the inner conductor 2 '.
  • the inner conductor 2 composed of a first and a second inner conductor part 2 1 and 2 2 can also be replaced by a metallic inner conductor coating 2 'and thus advantageously saved.
  • a contact crown 23 is also provided at the axial ends of the first elastic element 8' '' in the area of the metallic inner conductor coating 2 '.
  • This contact crown 23 is also connected to the metallic inner conductor coating 2 'via a fixed mechanical connection, for example by means of soldering or press fit.

Landscapes

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

Claims (18)

  1. Dispositif de contact électrique pour la liaison électrique d'un premier composant (3) et d'un deuxième composant (4) avec un conducteur externe (1 ; 1'; 11; 12), au moins un conducteur interne (2 ; 2'; 21, 22; 21, 22; 21 1, 21 2, 22 1, 22 2), disposé à l'intérieur du conducteur externe (1 ; 1' ; 11; 12), et un premier élément élastique (8 ; 8' ; 8" ; 8''') disposé entre le conducteur externe (1 ; 1'; 11; 12) et l'au moins un conducteur interne (2 ; 2' ; 21, 22; 21, 22; 21 1, 21 2, 22 1, 22 2), dans lequel le conducteur externe (1 ; 1'; 11 ; 12) et l'au moins un conducteur interne (2 ; 2' ; 21, 22; 21, 22; 21 1, 21 2, 22 1, 22 2) sont reliés ou peuvent être mis en contact chacun avec le premier composant (3) et avec le deuxième composant (4), dans lequel les extensions axiales de l'au moins un conducteur interne (2 ; 2' ; 21, 22; 21, 22; 21 1, 21 2, 22 1, 22 2) et du conducteur externe (1 ; 1'; 11; 12) sont variables, dans lequel le conducteur externe (1 ; 1'; 11 ; 12) et l'au moins un conducteur interne (2 ; 2' ; 21, 22; 21, 22 ; 21 1, 21 2, 22 1, 22 2) sont métalliques, dans lequel le premier élément élastique (8 ; 8', 8", 8''') est constitué d'un matériau électriquement isolant et est fixé au conducteur externe (1 ; 1'; 11 ; 12),
    caractérisé en ce que
    du fait de l'élasticité du premier élément élastique (8 ; 8', 8", 8''') et de la fixation du premier élément élastique (8 ; 8', 8", 8''') au conducteur externe (1 ; 1'; 11 ; 12) dans un état écrasé du premier élément élastique (8 ; 8', 8", 8"'), une force élastique peut être transmise du premier élément élastique (8 ; 8', 8", 8''') vers le conducteur externe (1 ; 1'; 11 ; 12) et en ce que le matériau électriquement isolant du premier élément élastique (8 ; 8', 8", 8''') est un élastomère.
  2. Dispositif de contact électrique selon la revendication 1, caractérisé en ce que
    dans une zone centrale (11) entre deux zones d'extrémité (121, 122), qui sont adjacentes chacune à une extrémité axiale du premier élément élastique (8 ; 8', 8", 8"'), la rigidité du premier élément élastique (8 ; 8', 8", 8"') est réduite par rapport à la rigidité du premier élément élastique (8 ; 8', 8", 8''') dans les deux zones d'extrémité (121, 122).
  3. Dispositif de contact électrique selon la revendication 2, caractérisé en ce que
    un diamètre extérieur dans la zone centrale (11) est réalisée de manière réduite par rapport à un diamètre extérieur dans les zones d'extrémité (121, 122).
  4. Dispositif de contact électrique selon la revendication 2 ou 3,
    caractérisé en ce que
    la zone centrale (11) comprend, dans l'extension longitudinale axiale, plusieurs fentes (13) qui s'étendent chacune d'une surface externe vers une surface interne du premier élément élastique (8 ; 8', 8", 8"').
  5. Dispositif de contact électrique selon l'une des revendications 2 à 4,
    caractérisé en ce que
    au niveau d'une surface interne et/ou externe dans la zone centrale du premier élément élastique (8 ; 8', 8", 8"'), est prévu au moins un évidement (14).
  6. Dispositif de contact électrique selon l'une des revendications 2 à 5,
    caractérisé en ce que
    pour la réalisation d'une résistance aux ondes adaptée sur l'extension longitudinale axiale du dispositif de contact électrique, un diamètre externe de l'au moins un conducteur interne (2 ; 2'; 21, 22; 21, 22; 21 1, 21 2, 22 1, 22 2) est agrandi respectivement dans une zone adjacente à la zone centrale (11) du premier élément élastique (8 ; 8', 8", 8''') du conducteur interne (2 ; 2' ; 21, 22; 21, 22 ; 21 1, 21 2, 22 1, 22 2) respectif.
  7. Dispositif de contact électrique selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le conducteur externe (1 ; 1'; 11; 12) comprend une première partie de conducteur externe (11) massive reliée ou pouvant être mise en contact avec le premier composant (3) et une deuxième partie de conducteur externe (12) massive reliée ou pouvant être mise en contact avec le deuxième composant (4), dans lequel la deuxième partie de conducteur externe (12) entre en contact électrique avec la première partie de conducteur externe (11) et est mobile par rapport à la première partie de conducteur externe (11) et l'au moins un conducteur interne (2 ; 2' ; 21, 22 ; 21, 22; 21 1, 21 2, 22 1, 22 2) comprend une première partie de conducteur interne (21 ; 21 1, 22 1) massive reliée ou pouvant être mise en contact avec le premier composant (3) et une deuxième partie de conducteur interne (22 ; 21 2; 22 2) massive reliée ou pouvant être mise en contact avec le deuxième composant (4), dans lequel la deuxième partie de conducteur interne (22; 21 2; 22 2) entre en contact électrique avec la première partie de conducteur interne (21; 21 1, 22 1) et est mobile par rapport à la première partie de conducteur interne (21; 21 1, 22 1), dans lequel le premier élément élastique (8 ; 8', 8", 8''') est fixé au moins à la deuxième partie de conducteur externe (12).
  8. Dispositif de contact électrique selon la revendication 7,
    caractérisé en ce que
    entre la première partie de conducteur interne (21; 21 1, 22 1) et la deuxième partie de conducteur interne (22 ; 21 2; 22 2) de l'au moins un conducteur interne (2 ; 2' ; 21, 22; 21, 22 ; 21 1, 21 2, 22 1, 22 2) se trouve un deuxième élément élastique (15 ; 15' ; 151, 152).
  9. Dispositif de contact électrique selon la revendication 8,
    caractérisé en ce que
    le deuxième élément élastique (15 ; 15' ; 151, 152) est constitué d'un matériau électriquement isolant.
  10. Dispositif de contact électrique selon la revendication 9,
    caractérisé en ce que
    le matériau électriquement isolant du deuxième élément élastique (15 ; 15' ; 151, 152) est un élastomère.
  11. Dispositif de contact électrique selon l'une des revendications 8 à 10, caractérisé en ce que
    le deuxième élément élastique (15 ; 15' ; 151, 152) et le premier élément élastique (8 ; 8', 8", 8"') sont réalisés comme un seul élément élastique commun (17).
  12. Dispositif de contact électrique selon la revendication 11,
    caractérisé en ce que
    l'unique élément élastique commun (17) est formé de façon à ce qu'il soit guidé à travers au moins une fente, qui s'étend entre deux pattes à ressorts (6) adjacentes d'une zone de mise en contact, réalisée sous la forme d'un manchon à ressort, de la première partie de conducteur interne (21 ; 21 1, 22 1) ou de la deuxième partie de conducteur interne (22 ; 21 2 ; 22 2) d'au moins un conducteur interne (2 ; 2' ; 21, 22 ; 21, 22 ; 21 1, 21 2, 22 1, 22 2).
  13. Dispositif de contact électrique selon la revendication 8,
    caractérisé en ce que
    le deuxième élément élastique (15 ; 15' ; 151, 152) est un élément à ressort électro-conducteur (15').
  14. Dispositif de contact électrique selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le conducteur externe (1 ; 1'; 11 ; 12) est réalisé comme un revêtement métallique (1') sur une surface externe du premier élément élastique (8 ; 8', 8", 8"').
  15. Dispositif de contact électrique selon la revendication 7 ou 14,
    caractérisé en ce que
    le premier élément élastique (8 ; 8', 8", 8"') est en outre fixé au conducteur interne (2 ; 2' ; 21, 22; 21, 22; 21 1, 21 2, 22 1, 22 2).
  16. Dispositif de contact électrique selon la revendication 14,
    caractérisé en ce que
    le conducteur interne (2 ; 2' ; 21, 22 ; 21, 22 ; 21 1, 21 2, 22 1, 22 2) est réalisé comme un revêtement métallique (2') sur une surface interne du premier élément élastique (8 ; 8', 8", 8"') formé de manière creuse dans la direction longitudinale axiale.
  17. Sous-ensemble avec un premier composant (3), un deuxième composant (4) et un dispositif de contact électrique selon l'une des revendications précédentes, dans lequel le premier composant (3) et le deuxième composant (4) sont reliés ou peuvent être mis en contact chacun avec le dispositif de contact électrique.
  18. Premier élément élastique (8 ; 8', 8", 8"') constitué d'un matériau électriquement isolant, qui est conçu de façon à ce qu'il puisse être fixé à un conducteur externe (1 ; 1'; 11 ; 12) d'un dispositif de contact électrique selon l'une des revendications 1 à 16.
EP18735259.6A 2017-09-28 2018-06-27 Dispositif de contact électrique Active EP3482461B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017009066.1A DE102017009066A1 (de) 2017-09-28 2017-09-28 Elektrische kontaktvorrichtung
PCT/EP2018/067279 WO2019063148A1 (fr) 2017-09-28 2018-06-27 Dispositif de contact électrique

Publications (2)

Publication Number Publication Date
EP3482461A1 EP3482461A1 (fr) 2019-05-15
EP3482461B1 true EP3482461B1 (fr) 2020-08-26

Family

ID=62784148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18735259.6A Active EP3482461B1 (fr) 2017-09-28 2018-06-27 Dispositif de contact électrique

Country Status (3)

Country Link
EP (1) EP3482461B1 (fr)
DE (1) DE102017009066A1 (fr)
WO (1) WO2019063148A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7004190B1 (ja) 2021-07-21 2022-01-21 Smk株式会社 フローティング機構付き同軸コネクタ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007009549A1 (fr) * 2005-07-20 2007-01-25 Tyco Electronics Amp Gmbh Connecteur coaxial

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2421321C3 (de) * 1974-05-02 1978-05-11 Georg Dipl.-Ing. Dr.-Ing. 8152 Feldkirchen-Westerham Spinner Abgedichtete koaxiale Steckverbindungseinrichtung
FR2905528B1 (fr) 2006-08-31 2008-10-31 Radiall Sa Connecteur coaxial pour relier deux cartes de circuit imprime.
ES2882854T3 (es) * 2011-02-17 2021-12-02 Corning Optical Comm Rf Llc Contacto y dispositivo de interconexión de acoplamiento ciego
JP5872000B1 (ja) * 2014-08-06 2016-03-01 日本航空電子工業株式会社 同軸コネクタ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007009549A1 (fr) * 2005-07-20 2007-01-25 Tyco Electronics Amp Gmbh Connecteur coaxial

Also Published As

Publication number Publication date
DE102017009066A1 (de) 2019-03-28
EP3482461A1 (fr) 2019-05-15
WO2019063148A1 (fr) 2019-04-04

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