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WO2019063148A1 - Dispositif de contact électrique - Google Patents

Dispositif de contact électrique Download PDF

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Publication number
WO2019063148A1
WO2019063148A1 PCT/EP2018/067279 EP2018067279W WO2019063148A1 WO 2019063148 A1 WO2019063148 A1 WO 2019063148A1 EP 2018067279 W EP2018067279 W EP 2018067279W WO 2019063148 A1 WO2019063148 A1 WO 2019063148A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic element
electrical contact
contact device
inner conductor
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.)
Ceased
Application number
PCT/EP2018/067279
Other languages
German (de)
English (en)
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.)
Filing date
Publication date
Application filed by Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Priority to EP18735259.6A priority Critical patent/EP3482461B1/fr
Publication of WO2019063148A1 publication Critical patent/WO2019063148A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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 included in this electrical contact device, and an assembly including this electrical contact device.
  • board-to-board connectors As a fast data transmission interface for high-frequency signals between two high-frequency components, for example, two printed circuit boards, each with a high-frequency electronics, so-called board-to-board connectors have established (German: PCB to PCB connectors). These board-to-board connectors not only have an electrical connection for high-frequency signals between the two
  • coax SLC contact elements English: coaxial spring loaded contact, German: coaxial springing contact
  • US Pat. No. 7,416,418 B2 discloses the construction and the mode of operation of such a coaxial SLC contact element:
  • the inner conductor side contact is as a spring contact pin, ie as a contact pin, in a bush-shaped housing is resiliently mounted, realized. While the bushing-shaped housing is typically fixed to the one high-frequency component, the contact pin with its contact tip contacts the respective other high-frequency component.
  • the outer conductor side contact is realized as a contact ring, which is resiliently mounted to a slotted contact socket. The slotted contact socket is typically fixed to the one high-frequency component, while the contact ring contacts the respective other high-frequency component
  • the inner conductor side Due to the suspension of the contact pin in the sleeve-shaped housing, the inner conductor side has sufficient contact pressure and therefore reliable electrical contact between the contact tip of the contact pin and an associated contact surface on the respective other high-frequency component within a certain range for the distance between the two high-frequency components realizable. Equivalent on the outer conductor side by the suspension of the contact ring also a sufficient contact pressure and thus a secure electrical contact between the contact ring and an associated contact surface on the respective other high-frequency component within a certain range for the distance between the two high-frequency components feasible.
  • 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 meet future requirements for the distance between a plurality of coax SLC contact elements positioned in a grid or in a row. This is a condition to be improved.
  • the object of the present invention is to provide an electrical contact device for electromechanical contacting between two components, preferably a high-frequency contact device for electromechanical contacting between two high-frequency components, which minimizes its size and the number of its individual parts is.
  • an electrical contact device for electrically connecting a first component and a second component
  • outer conductor and the at least one inner conductor are each metallic, - wherein the first elastic element is made of an electrically insulating material and
  • the underlying idea / idea of the present invention consists in realizing the two technical functions of electrical insulation (insulator element) originally realized in two separate components and the application of an axial elasticity (spring) in a single component.
  • an elastic element which is referred to below as the first elastic element, made of an electrically insulating material. 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 present invention provides a compact electrical contact device for high-frequency signals from a minimized number of individual parts, which realizes reliable electrical contact between the two high-frequency components depending on the present at each time axial offset between the two high-frequency components to be connected.
  • 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 solder connection.
  • the outer conductor and the at least one inner conductor in each case the first component and / or the second
  • 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 designed to realize an electrical connection for a high-frequency signal between a first component and a second component in each case metallic.
  • the first elastic element with its electrically insulating property is made of 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 sleeve-shaped.
  • the first elastic element preferably has a reduced rigidity.
  • This reduced rigidity of the first elastic element in its middle region advantageously has the effect that the greatest elastic deformation of the first elastic element occurs primarily in this central region and not in the two end regions.
  • the reduced stiffness in the center region of the first elastic element is preferably realized by a reduced outer diameter and by a plurality of slots extending in the longitudinal axis, which are located between the outer and inner surfaces of the hollow-shaped first elastic element.
  • the reduced outer diameter of the central region increases in the case of a compressive force acting in the longitudinal axial direction, while the axial longitudinal extension of the central region of the first elastic element advantageously shortens.
  • the reduced outer diameter in the middle region can extend up to the size of the unreduced outer diameter in the end regions of the first elastic element.
  • An additional reduction of the rigidity is achieved by providing at least one recess in each case on the inner and / or outer surface of the inner surface of the sleeve-shaped first elastic element.
  • This at least one recess leads to an additional reduction of the cross section of the first elastic element in the region of the recess.
  • the individual recesses are arranged at locations of the central region in which a deformation of the first elastic element in the radial direction occurs particularly strongly on contraction.
  • 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 each of a solid, connected to the first component or contactable first inner conductor part and a solid, connected to the second component or contactable second inner conductor part and the outer conductor 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 is composed.
  • 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 region with the respective 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 each preferably components which have a higher rigidity in the axial direction than in the radial direction, in particular in the contacting region with the respective inner conductor or outer conductor part to be contacted.
  • the first and the second outer conductor part are in electrical contact with each other. They are movable towards each other 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 results in a different axial extent of the outer conductor.
  • the effective axial extent of the outer conductor is reduced compared to the non-compression case.
  • first and the second inner conductor part of each individual inner conductor also respectively face each other in an electrical contact. They are also movable in the axial direction to each other and overlap in the axial direction.
  • the overlapping of the first and the second inner conductor part results in each case in an inner conductor with an extent that 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 inner conductor-side axial offset between the first and the second component.
  • the second elastic element need not realize any additional electrical contact between the first and the second inner conductor part.
  • the second elastic member in this first sub-variant of the first embodiment equivalent to the first elastic member is also made of an electrically insulating material.
  • the first elastic element and the second elastic element are realized as a single common elastic element.
  • the electrical contact between the first and the second inner conductor part is typically carried out over several at Um- Start of the first or the second inner conductor part distributed and each separated by a slot spring tabs of a realized as a spring sleeve contacting region of the first or the second inner conductor part.
  • the spring tabs of the first or the second inner conductor part are in each case connected to a contacting region on the outer surface of the respectively opposite second or first inner conductor part in a positive or non-positive connection.
  • the common elastic member includes a portion corresponding to the first elastic member located outside the spring sleeve of the first or second inner conductor member and a second elastic member corresponding portion located within the spring sleeve of the first or second inner conductor member.
  • the common elastic element is formed in such a way that it is passed through at least one slot of the respective spring sleeve belonging to the first or second inner conductor part.
  • the common elastic element thus contains, in addition to the areas corresponding to the first and second elastic elements, at least one additional connecting area, which is guided in each case through a slot and connects the first and second elastic elements to one another.
  • the regions of the common elastic element respectively corresponding to the first and second elastic elements are approximately in front of each other with respect to their respective Elasticity decoupled.
  • the first and the second elastic element are each realized as non-interconnected items. In this case, the elasticities of the first and second elastic members are completely decoupled from each other.
  • the second elastic element is made of an electrically conductive material.
  • the second elastic element advantageously implements not only an elastic mechanical connection, but also a further electrical contact between the first and the second inner conductor part of the respective inner conductor.
  • each spring element made of a metal, for example a coil spring, use find.
  • 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 realized as a metallic coating on the outer surface of the first elastic element.
  • the at least one inner conductor is in this first sub-variant of the second embodiment, as in the first embodiment of the electrical contact device according to the invention in two parts from a first component connected to the first component or contactable inner conductor part and a contactable with the second component second inner conductor part together.
  • the characteristic impedance of the electrical contact device is adapted over the entire longitudinal extent such that in the case of compression the outer conductor extending radially outwards in the middle region is compensated by an outer diameter of the at least one inner conductor which is enlarged in the central region.
  • a second elastic element which is preferably embodied as an electrically conductive spiral spring, is also located 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.
  • a second sub-variant of the second embodiment analogously to the third sub-variant of the first embodiment, no second elastic element is provided in each case 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 inner surface of the first elastic element in a third sub-variant of the second embodiment 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 goes over in a compression of the electrical contact device in axially extending portions and radially extending portions.
  • the effective axial extension of the inner conductor is reduced accordingly.
  • the characteristic impedance is adapted over the entire axial longitudinal extension of the electrical contact device according to the invention by the fact that only in the middle region
  • Compression of the electrical contact device of the changed distance between the inner and outer conductor coating is compensated by a suitable arrangement and number of slots and recesses and by a suitable dimensioning of the slot width and the slot length and the recess width and the recess depth.
  • an assembly according to the invention which is the electrical contact device according to the invention, which is compatible with the invention.
  • electrical contact device connected or contactable first component and contains the connected or contactable with the inventive electrical contact device second component, covered by the invention with.
  • the invention also covers a first elastic element made of an electrically insulating material, which is set up such that it can be fixed to an outer conductor of an electrical contact device.
  • Embodiments and developments can, if appropriate, combine with one another as desired. Further possible refinements, developments and implementations of the invention also include combinations, not explicitly mentioned, of features of the invention described above or below with regard to the exemplary embodiments. In particular, the person skilled in the art will also add individual aspects as improvements or additions to the respective basic form of the present invention.
  • FIG. 1A is a cross-sectional view of a first embodiment of a first sub-variant of a first embodiment of the electrical according to the invention
  • Fig. 1B is a first cross-sectional view of a first
  • FIG. 1C shows a second cross-sectional view of the first embodiment of the first sub-variant of the first embodiment of the electrical contact device according to the invention in the contacted state
  • 1D is a third cross-sectional view of the first embodiment of the first sub-variant of the first embodiment of the electrical contact device according to the invention in the contacted state
  • FIG. 2A is a cross-sectional view of a second embodiment of the first sub-variant of a first embodiment of the electrical contact device according to the invention in the non-contacted state
  • 2B is a cross-sectional view of a second embodiment of the first sub-variant of a first embodiment of the electrical contact device according to the invention in the contacted state
  • 3A shows a cross-sectional view of a second subvariant of a first embodiment of the electrical contact device according to the invention in the non-contacted state
  • 3B is a first cross-sectional view of a second
  • 4A is a cross-sectional view of a third sub-variant of a first embodiment of the invention proper electrical contact device in the non-contacted state
  • 4B is a first cross-sectional view of a third
  • 6A is a first cross-sectional view of an inventive electrical contact device for
  • 6B is a second cross-sectional view of an electrical contact device according to the invention for transmitting a differential signal
  • 6C is a third cross-sectional view of an electrical contact device according to the invention for transmitting a differential signal
  • FIG. 7A is a cross-sectional view of a first sub-variant of a second embodiment of the electrical contact device according to the invention in the non-contacted state
  • FIG. 7B is a cross-sectional view of a first sub-variant of a second embodiment of the electrical contact device according to the invention in the contacted state
  • 8A is a cross-sectional view of a second sub-variant of a second embodiment of the inventive electrical contact device in the non-contacted state
  • Fig. 8B is a cross-sectional view of a second sub-variant of a second embodiment of the electrical contact device according to the invention in the contacted state
  • Fig. 9 is a three-dimensional representation of the first invention elastic element in the second embodiment of the electrical contact device according to the invention.
  • an electrical contact device for transmitting a differential high-frequency signal, i. a symmetrical high-frequency signal is explained between two components, with reference to the following figures 1A to 5B respectively different forms of a coaxial contact device for transmitting an asymmetric high-frequency signal are presented in detail.
  • the first figure of each presented sub-variant or expression of the electrical contact device in each case represents the operating case in which no electrical contact between the two components via the electrical contact device follows and thus the electrical contact device is not compressed.
  • the operating case is shown, in which an electrical contact between the two components via the electrical contact device takes place and thus the electrical contact device is compressed:
  • the electrical contact device according to the invention is designed as a coaxial contact device.
  • the coaxial contact device has for this purpose an outer conductor 1 and a single inner conductor 2, which is arranged coaxially to the outer conductor 1 within the outer conductor 1.
  • a first component 3 preferably a first high-frequency component
  • a second component 4 preferably a second high-frequency component, in particular in the presence of an axial offset between the first and the second component 3 and 4 the axial extent of the metallic outer hosleiters 1 and the metallic inner conductor 2 of the electrical contact device according to the invention changeable.
  • variable in its axial extent outer conductor 1 of a solid first outer conductor part 1 1 and a solid second outer conductor portion 1 2 is composed, which are on the one hand to each other in an electrical contact and on the other hand, in axial longitudinal extent to each other are movable.
  • variable in its axial extent inner conductor 2 of a solid first inner conductor part 2 1 and a solid second inner conductor part 2 2 together, which are also on the one hand to each other in an electrical contact and on the other hand in axial
  • first and the second outer conductor part 1 1 and 1 2 overlap and the first and the second inner conductor part 2 1 and 2 2 overlap for a long time.
  • the effective axial extension of the outer conductor 1 and the inner conductor 2 results from the degree of overlap of the first and the second outer conductor part 1 1 and 1 2 and the first and the second inner conductor part 2 1 and 2 second.
  • 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 electrically and mechanically connected to respective contact surfaces on the first component 3.
  • the connection is made using common joining techniques, for example by means of soldering.
  • the first outer conductor part 1 1 and the first inner conductor part 2 1 can only be contacted with the first component 3.
  • the first outer conductor part 1 1 and the first inner conductor part 2 1 in the operating case via a device not shown in Fig. 4A with the added impaired contact surfaces on the first component 3 brought into electrical contact without a permanent mechanical connection between the first outer conductor part 1 1 and the first inner conductor part 2 1 and the associated Kunststoffflä- chen on the first component 3 to realize.
  • the second outer conductor part 1 2 and the second inner conductor part 2 2 of the electrical contact device according to the invention with corresponding contact surfaces on the second component 4 contactable or firmly connected by means of a common connection technology with associated contact surfaces on the second component 4.
  • the first component 3 and the second component 4 are preferably each a high-frequency component.
  • This high-frequency component may typically comprise 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 a high-frequency amplifier, his.
  • first and the second outer conductor part 1 1 and 1 2 is either the first outer conductor part 1 1 or the second outer conductor part 1 2 each in its contact region with the respective outer conductor contacting part 1 2 and 1 1 as a spring sleeve formed.
  • the contact region of the first inner conductor part 2 1 or the second inner conductor part 2 2 with the respectively contacting inner conductor part 2 2 and 2 1 is also realized as a spring sleeve to realize a secure electrical contact between the first and the second inner conductor part 2 1 and 2 2 ,
  • the first inner conductor part 2 1 is formed 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 their spring tabs 6.
  • the spring tabs 6 of the spring sleeve of the first inner conductor part 2 1 and the contacting with the outer surface of the second inner conductor part 2 2 reference is made to Figures 2A and 2B.
  • the first outer conductor part 1 1 at its distal end an inwardly directed web ⁇ , which provided as a stopper for a 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 is arranged made of an electrically insulating material.
  • an electrically insulating material with elasticity is preferably an elastomer, for example, natural rubber, silicone, rubber, or a thermoplastic elastomer (TPE).
  • the first elastic element 8 is fixed to the outer conductor 1, preferably both on the first outer conductor part 1 1 and on the second outer conductor part 1 2 .
  • fixing serve, as indicated in Figures 1A and 1B, 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 in associated recesses 10, at appropriate positions on the outer surface of the first elastic Elements 8 are hacked.
  • Effective fixation methods, such as bonding, are covered by the invention.
  • the first elastic element 8 can also be fixed only to the second outer conductor part 1 2 .
  • the first outer conductor part 1 1 and the second outer conductor part 1 2 are elastically coupled to each other.
  • the first and the second outer conductor part 1 1 and 1 2 to each other are elastically movable.
  • an axial extension of the outer conductor 1 can be realized, which corresponds to contacting the second outer conductor part 1 2 with the second component 4 and the first outer conductor part 1 1 with the first component 3 to the distance between the first and second component 3 and 4.
  • the first elastic element 8 is formed substantially sleeve-shaped in the case of a coaxial contact device.
  • 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, which is increased to the elasticity in the two end regions 12 1 and 12 2 ,
  • the outer diameter is reduced in the middle region 11 of the first elastic element 8 with respect to the outer diameter in the two end regions 12 1 and 12 2 .
  • a plurality of extending in the axial longitudinal direction of the coaxial contact device slots 13 are preferably arranged in equidistant angle 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 contains two slots 13. Alternatively, a higher number of slots 13 may be present in the first elastic element 8, which is covered by the invention ,
  • An additional increase in the elasticity in the center 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 characteristic impedance 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, compared to the characteristic impedance in the sections of the electrical contact device according to the invention, in which the two end portions 12 1 and 12 2 of the first elastic member 8 are located.
  • the characteristic impedance of the electrical contact device according to the invention over the entire axial longitudinal extent is advantageously adapted.
  • a second elastic Element 15 is provided between the first and the second inner conductor part 2 1 and 2 2 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 to each other .
  • This second elastic member 15 is disposed in an inner space 16, the sleeve-1 and 2 is located between the gene end of the second inner conductor part as the molded spring sleeve end of the first inner conductor part 1.
  • This second elastic element 15 is made of an electrically insulating material in the first sub-variant of the first embodiment of the electrical contact device according to the invention. It is preferably made of the same material as the first elastic element 8, namely of an elastomer.
  • the first elastic element 8 and the second elastic element 15 form a common elastic element 17.
  • the first elastic element 8 constitutes a first region 17 1 of the common elastic element 17 and the second elastic element 15 a second region 172 of the common elastic element 17.
  • the first region 17i and the second region 172 are connected to one another via a plurality of connection regions 173 within the common elastic element 17.
  • the connecting regions 173 are each guided through a slot of the contact region of the first inner conductor part 2 1 formed as a spring sleeve.
  • the axial longitudinal extent of the first elastic member 8 and the common elastic member 17 is slightly reduced at their axial ends against the axial longitudinal extent of the inner conductor 2 and the outer conductor 1. This slight reduction of the axial longitudinal extent enables secure electrical contacting of 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 respectively with the second component 4
  • the first elastic element 8 and the second elastic element 15 are each realized as individual parts.
  • the first and the second elastic member 8 and 15th completely decoupled from each other elastically.
  • the outer conductor 1 and the inner conductor 2 thus have their own decoupled elasticity in the second embodiment and can optimally compensate for non-planarity in the first component 3 and / or in the second component 4 in this way.
  • a second elastic element 15 is possible borrowed, which is designed as a spiral spring made of an electrically insulating material, and covered by the invention with.
  • the outer diameter of the inner conductor 2 at least in a specific region of the axial longitudinal extension - here: the enlarged outer diameter of the first inner conductor part 2 1 in the immediate vicinity of the central region 11 of the first elastic element 8 - the inner diameter of the elastic element 8 corresponds.
  • 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 to realize the elasticity of the inner conductor 2.
  • the second elastic element 15 ' is made of a metal and realized 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 not only fixed to the outer conductor 1, but also parallel to the inner conductor 2.
  • the fixation 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 fixing of the first elastic element 8 'on the second inner conductor part 2 2 is also covered by the invention.
  • the first and second inner conductor part 2 1 and 2 2 has a plurality of claws 18, which are distributed at equidistant angular intervals and which hook into corresponding recesses 19 of the first elastic element 8 '.
  • other fixation methods such as gluing or any other suitable positive or non-positive connection can be used.
  • recesses 20 are provided at different locations in the two end regions 12 1 and 12 2 of the first elastic element 8'. These recesses 20 are completely random positioned without the presence of a particular order within the first elastic element 8 '. In this way, the first elastic element 8 'has a different elasticity in a region 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 to the inner conductor 2.
  • the second elastic element 15 Since the second elastic element 15 is not needed in the third sub-variant, no interior space 16 between the first and the second inner conductor part 2 1 and 2 2 is required for positioning the second elastic element 15.
  • the second inner conductor part 2 2 must therefore no longer be sleeve-shaped at its contacting end.
  • the electrical contact device according to the invention contains a plurality of inner conductors.
  • two internal conductors 2 1 and 2 2 are present in the electrical contact device according to the invention, which together transmit a differential high-frequency signal (so-called twinax arrangement).
  • the invention is not limited to two inner conductors.
  • several pairs of two inner conductors each, which each transmit a differential signal, are also covered by the invention.
  • Star quad arrangement of the inner conductor for example, two pairs of two inner conductors are each crossed over to each other.
  • the fourth sub-variant of the first embodiment there are a plurality of inner conductors in the electrical contact device according to the invention, so that the arrangement between the outer conductor and the inner conductors, as is apparent from the cross section of Figures 6B and 6C, no coaxiality has more. Also, the first elastic element is no longer coaxial with the inner and outer conductors arranged and shaped. As can be seen from FIGS.
  • the spaced-apart inner conductors 2 1 and 2 are 2 with their first and second inner conductor parts 2 1 1 and 2h 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 fixed on the outer conductor 1 preferably by means of claws 9.
  • the area 21i between the two inner conductors 2 1 and 2 2 and the two areas 21 2 and 21 3 , each of the area 21i opposite between the outer conductor 1 and one of the two inner conductors 2 1 and 2 second are not filled by the first elastic element 8 '' .
  • each inner conductor 2 1 and 2 2 each have a second elastic element 15 1 and 15 2 also made of an electrically insulating material, preferably of an elastomer. Via the second elastic element 15 1 and 15 2 , an elasticity of the inner conductors 2 1 and 2 2 and thus a 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 realized.
  • a common elastic element of the first elastic element 8 '' and the two second elastic elements 15 1 and 15 2 conceivable and covered by the invention.
  • the realization of the two second elastic elements of an electrically conductive material, preferably as coil springs, analogous to the second sub-variant of the first embodiment and the realization without second elastic elements, in which the first elastic element 8 '' in addition to the two inner conductors 2 1 and 2 2 is fixed, analogous to the third sub-variant of the first embodiment are covered by the invention.
  • the outer conductor 1 is realized 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 '''compressed as a result of contact pressure of the first and the second component 3 and 4 on the inventive electrical contact device, the diameter increases in the central region 11 of the first elastic element 8''' 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. 9.
  • the extension of the outer conductor coating 1 ' which is completely axial in the non-compression case, goes into radial extension regions and redu- graced axial extent ranges over. In this way, the effective axial extent of the outer conductor 1 'is reduced. Since the thickness of the outer conductor coating 11 'is made comparatively small, in each case a contact crown 22 is provided at the axial ends of the first elastic element 8'", in particular in the region 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 interference fit. Thus, a secure electrical contact between the outer conductor coating 1 'and the associated contact surfaces on the first and second components 3 and 4 is ensured.
  • the inner conductor 2 is arranged within the sleeve-shaped first elastic element 8 '''.
  • the inner conductor 2 is composed as in the first embodiment of a first and a second inner conductor part 2 1 and 2 2 , which are in electrical contact with each other and are elastically movable relative to each other.
  • the second inner conductor part 2z formed in its contact region with the first inner conductor part 2 1 as a spring sleeve whose Federla see the outer surface of the first inner conductor part 2 1 electrically contact.
  • the elasticity of the inner conductor 2 is realized analogously to the third sub-variant of the first embodiment via a second elastic element 15 'of an electrically conductive material, preferably via a helical spring.
  • a second elastic element 15 made of an electrically insulating material, preferably made of an elastomer, according to the second embodiment of the first sub-variant within the first embodiment conceivable and covered by the invention.
  • the first elastic element 8 '' ' in a second sub-variant of the second embodiment, the first elastic element 8 '' '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 conceivable.
  • the first elastic element 8 '' ' also has a metallic coating 2 in addition to the metallic coating ⁇ ' on the outer surface forming the outer conductor 1 ' 'on the inner surface, which realizes the inner conductor 2'.
  • the inner conductor 2 composed of a first and a second inner conductor part 2 1 and 2 i can be replaced by a metallic inner conductor coating 2 'and thus advantageously saved.
  • a contact crown 23 is likewise provided at the axial ends of the first elastic element 8' "in the region of the metallic inner conductor coating 2 ' intended.
  • This contact core 23 is likewise connected to the metallic inner conductor coating 2 'via a fixed mechanical connection, for example by means of soldering or interference fit.

Landscapes

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

Abstract

La présente invention concerne un dispositif de contact électrique destiné à connecter électriquement un premier composant et un deuxième composant. Le dispositif de contact électrique selon l'invention contient un conducteur extérieur, au moins un conducteur intérieur agencé à l'intérieur du conducteur extérieur, et un premier élément élastique agencé entre le conducteur extérieur et le ou les conducteurs intérieurs. Le conducteur extérieur et le ou les conducteurs intérieurs sont connectés ou peuvent être mis en contact respectivement avec le premier composant et avec le deuxième composant. L'étendue axiale du ou des conducteurs intérieurs et du conducteur extérieur peut être modifiée respectivement. Le conducteur extérieur et le ou les conducteurs intérieurs sont respectivement métalliques. Le premier élément élastique est fabriqué en un matériau électriquement isolant et est fixé au conducteur extérieur.
PCT/EP2018/067279 2017-09-28 2018-06-27 Dispositif de contact électrique Ceased WO2019063148A1 (fr)

Priority Applications (1)

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017009066.1 2017-09-28
DE102017009066.1A DE102017009066A1 (de) 2017-09-28 2017-09-28 Elektrische kontaktvorrichtung

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WO2019063148A1 true WO2019063148A1 (fr) 2019-04-04

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ID=62784148

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PCT/EP2018/067279 Ceased WO2019063148A1 (fr) 2017-09-28 2018-06-27 Dispositif de contact électrique

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

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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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7416418B2 (en) 2006-08-31 2008-08-26 Radiall Coaxial connector for interconnecting two printed circuit cards
US20120214357A1 (en) * 2011-02-17 2012-08-23 Flaherty Iv Thomas Edmond Blind mate interconnect and contact
TW201607186A (zh) * 2014-08-06 2016-02-16 日本航空電子工業股份有限公司 同軸連接器

Family Cites Families (2)

* 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
DE102005033915A1 (de) * 2005-07-20 2007-02-01 Tyco Electronics Amp Gmbh Koaxialer Verbinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7416418B2 (en) 2006-08-31 2008-08-26 Radiall Coaxial connector for interconnecting two printed circuit cards
US20120214357A1 (en) * 2011-02-17 2012-08-23 Flaherty Iv Thomas Edmond Blind mate interconnect and contact
TW201607186A (zh) * 2014-08-06 2016-02-16 日本航空電子工業股份有限公司 同軸連接器

Also Published As

Publication number Publication date
DE102017009066A1 (de) 2019-03-28
EP3482461B1 (fr) 2020-08-26
EP3482461A1 (fr) 2019-05-15

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