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
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
  • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
  • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
  • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
  • H01R9/0509—Tapping connections
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
  • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
  • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
  • H01R9/0512—Connections to an additional grounding conductor
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
  • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
  • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
  • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/02—Soldered or welded connections
  • H01R4/021—Soldered or welded connections between two or more cables or wires
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
  • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
  • H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
  • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
  • H01R4/70—Insulation of connections
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
  • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
  • H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
  • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

• the invention relates to a method and a device for electrically conductive contacting an essentially rigid electrically conductive outer conductor of a coaxial cable.
• the invention further relates to a contact element for the electrically conductive contacting of an electrically conductive outer conductor of a coaxial cable.
• Known devices for producing an electrically conductive connection with an outer conductor of a coaxial cable consist of a clamp-shaped
• Base body which is fastened to a section of the outer conductor on which an insulation sheathing the outer conductor has been removed all round, so that an annular section of the outer conductor of the coaxial cable is exposed.
• the clamp-shaped base body is placed around the outer conductor of the coaxial cable, a contact element made of a metal having a high conductivity being arranged between the clamp-shaped base body and the exposed section of the outer conductor, which contact element has, for example, a large number of resilient contacts or jumps.
• a contact element made of a metal having a high conductivity being arranged between the clamp-shaped base body and the exposed section of the outer conductor, which contact element has, for example, a large number of resilient contacts or jumps.
• the invention is therefore based on the object of specifying a method and a device by means of which simple and quick production of an electrically conductive contact with an essentially rigid electrically conductive outer conductor of a coaxial cable is made possible.
• the object of the invention is achieved by a method for the electrically conductive contacting of a substantially rigid electrically conductive outer conductor 'ters of a coaxial cable comprising the steps of:
• a slot-shaped recess is preferably made in the insulation sheathing the outer conductor, the dimensions of which are chosen such that a contact element can be inserted through the recess into a space that forms between the insulation sheathing the outer conductor and the outer conductor.
• the insulation is stretched.
• the contact element inserted through the recess is pressed against the outer conductor, thus ensuring a permanently electrically conductive contact between the outer conductor and the contact element.
• the recess is sealed by connecting an at least partial sheathing of the contact element to the insulation. The recess is thus closed in the insulation sheathing the outer conductor, so that air and / or moisture cannot penetrate through the recess.
• the material of the at least partial sheathing and the material of the insulation contain thermoplastic elastomer (TPE).
• TPE thermoplastic elastomer
• the partial sheathing of the contact element can be welded to the insulation of the coaxial cable, for example, which ensures a particularly resistant and permanent sealing of the recess.
• other materials or material combinations can also be used, provided that they can be intimately connected to one another by welding or in another suitable manner.
• the recess is sealed with a sealing compound in order to prevent air and / or moisture from penetrating.
• the sealing compound preferably contains a thermoplastic elastomer (TPE), butyl, plastic-elastic sealing compound, adhesive or a sealing compound containing silicone. These materials can be easily applied to the recess, ensure a moisture-impermeable closure of the recess and are sufficiently elastic to ensure that the recess is sealed securely even if the insulation shrinks due to aging.
• TPE thermoplastic elastomer
• the contact element is attached to the coaxial cable. Stigt is, so that it is ensured that the position of the inserted contact element does not change under mechanical stress. Clamps or clamps, screw connections and other suitable fastening means can be used to fasten the contact element to the coaxial cable.
• the recess is made running in the axial direction of the outer conductor of the coaxial cable.
• the contact element can thus be inserted in sections around the circumference of the rigid electrically conductive outer conductor into the intermediate space between the outer conductor and the insulation sheathing the outer conductor.
• the outer conductor is a copper tube provided with beads, since in this case the beads do not hinder the insertion of the contact element.
• the contact element is pressed radially circumferentially in sections onto the outer surface of the outer conductor.
• the recess can also be made transversely or obliquely to the axial direction of the outer conductor of the coaxial cable.
• An extremely advantageous development of the teaching according to the invention provides that at least two recesses are made in the insulation of the outer conductor, the contact element being passed through each of the recesses.
• a contact element for example in the form of a band, through one of the recesses into the intermediate space between the outer conductor and the insulation and through the other
• the contact element lies in a range between the circumferential direction of the outer conductor Recesses flat on the outer conductor, so that a particularly large contact and thus a particularly safe electrically conductive contact between the contact element and the outer conductor is made.
• the ends of the contact element protruding from the recesses can be connected to one another in this embodiment.
• a contact part for example, can be used as the contact element, as is shown in FIGS.
• a recess in the insulation is then assigned to each of the contact projections formed there as tongues, through which the respective tongue extends into the space between the insulation and the outer conductor for contacting the latter.
• the recess can be made in the insulation sheathing the outer conductor by cutting or punching.
• the invention also provides that the recess is made by melting the insulation sheathing the outer conductor. This can preferably be done using ultrasound, infrared or laser radiation.
• Another advantageous development of the teaching according to the invention provides that the insulation is expanded in the radial direction of the outer conductor before or when the contact element is inserted into the space between the insulation and the outer conductor. The insulation is made easier to insert the contact element into the space between the outer conductor and the insulation.
• the insulation can be expanded radially in any suitable manner, for example under the action of heat, the insulation expanding and in this way creating a space between the latter and the outer conductor. If necessary, the expansion can be carried out according to the invention, for example, by blowing compressed air into the space between the insulation and the outer conductor through the recess in the insulation using a suitable device.
• the contact element for the electrically conductive contacting of the essentially rigid electrically conductive outer conductor of the coaxial cable is made of one
• the contact element is preferably such formed that it forms an at least 16 mm 2 contact surface with the rigid electrically conductive outer conductor of the coaxial cable in the assembled state. It is preferably provided that the contact element is designed to be elastically resilient, so that it can be inserted through the recess into the intermediate space between the outer conductor and the insulation sheathing the outer conductor without any problems and deforms accordingly. Furthermore, the elastically resilient design of the contact element ensures that even after the insulation sheathing the outer conductor has aged, a sufficiently constant contact pressure between the contact element and the outer conductor of the coaxial cable is still guaranteed.
• the contact element is made of CV, K55, K88, brass and / or special brass, low-alloy copper or chrome-nickel-alloy steel.
• K55 is an alloy that is 94.5% copper (Cu), 2.0 to 4.0% nickel (Ni), 0.5 to 1.0% silicon (Si) and
• K88 is an alloy that consists of at least 98.955% copper (Cu) and further 0.3 to 0.7% chromium (Cr), 0.08 to 0.12% silver (Ag), 0, 06 to 0.1 iron (Fe), 0.04 to 0.08% titanium (Ti) and 0.015 to 0.045% silicon (Si). This
• the contact element is preferably at least partially profiled in a wave-shaped manner.
• the at least sectionally wave-shaped design of the contact element ensures a permanent contact pressure of the contact element on the outer conductor of the coaxial cable when the contact element is introduced into the space between the insulation and the outer conductor.
• the contact element has a wavy profile that runs transversely to the direction of insertion into the outer conductor.
• the contact element has latching means which are designed to fix the contact element in its assembly position without using further fastening means.
• the latching means are designed as barbs and / or incisions at one end of the contact element.
• the incision at the other end of the contact element allows an engagement between the incision of the contact element and the edge of the recess in the insulation encasing the outer conductor, after the contact element has been reached, by moving the contact element in the axial direction of the coaxial cable such that the incision is brought into engagement with a section of the edge of the recess in the insulation and thus fixes the contact element in its mounting position.
• the contact element has limiting means, so that it is ensured that the contact element extends so far into the intermediate space between the outer conductor and the outer sheathed insulation is inserted that a sufficiently large contact area, preferably with a size of 16 mm 2 , is guaranteed.
• the limiting means can be colored or optical markings applied to the contact element.
• the limiting means can also consist of stop means which prevent the contact element from being inserted further through the recess after the assembly position has been reached.
• the contact element has a cable lug to which a line, for example an earth cable, can be connected.
• the contact element can be formed in one piece with the cable lug.
• the contact element is preferably partially enclosed by a casing.
• the sheathing preferably extends from the contact lug of the contact element to be inserted into the intermediate space between the outer conductor and the outer conductor, to an end of the contact element provided for connecting a line, and has a profile which facilitates handling during insertion of the contact element in the space between the outer conductor and the sheathing the outer conductor
• the casing contains vulcanized rubber.
• the casing can also be made from other suitable elastic plastic materials.
• the casing contains thermoplastic elastomer (TPE). This choice of materials enables to connect the sheathing of the contact element with the insulation of the coaxial cable, for example by welding, if the insulation of the coaxial cable also contains thermoplastic elastomer (TPE). In this way, a particularly robust connection with a long service life can be obtained, which seals the recess.
• the casing has a recess.
• the depression is arranged in the area of the contact lug of the contact element to be inserted into the space between the insulation and the outer conductor and is designed such that the depression can be filled with sealing compound without problems when the contact element is in use, and thus a liquid-impermeable seal between the sheathing of the contact element and the Insulation of the coaxial cable is guaranteed.
• the sealing compound can contain a thermoplastic elastomer (TPE), butyl, plastic-elastic sealing compound, plastic or a sealing compound containing silicone.
• TPE thermoplastic elastomer
• the contact element with sealing compound for sealing at least one recess is combined as a set.
• the amount of sealing compound is dimensioned such that it for
• the depression is filled with sealing compound.
• Recess can be sealed impermeable to liquid by applying sealing compound, but instead the contact element with the recess filled with sealing compound becomes in the space between the Inserted outer conductor and the insulation and advanced until the sealing compound provided in the recess comes into contact with the recess in the insulation of the coaxial cable and thus ensures a liquid-impermeable closure of the recess. It is preferably provided that the recess filled with sealing compound is closed with a releasable seal.
• the releasable seal can, for example, be glued-on silicone paper which is removed before the contact element is inserted into the space between the outer conductor of the coaxial cable and the insulation sheathing the outer conductor. However, cover foils other than silicone paper can also be used.
• the invention further relates to a device for electrically contacting an essentially rigid, electrically conductive outer conductor of a coaxial cable, in particular for carrying out a method according to the invention, with means for making at least one recess in an insulation sheathing the outer conductor of the coaxial cable, and means for inserting a contact element into the space between the outer conductor of the coaxial cable and the insulation sheathing the outer conductor.
• This device can thus be used to carry out a method according to the invention for electrically conductive contacting of an essentially rigid electrically conductive outer conductor of a coaxial cable, the means for introducing at least one Take in the outer conductor of a coaxial cable cutting means to make a corresponding recess or a plurality of circumferentially spaced recesses in the insulation sheathing the outer conductor.
• the means for inserting a contact element preferably comprise holding means for the contact element, wherein after the recess has been introduced into the outer conductor of a coaxial cable, a driving force can be applied to the
• the device has means for applying a sealing compound to the at least one recess, so that the recess can be sealed after the contact element has been installed using the device according to the invention. It is preferably provided that the device is designed for the automatic implementation of the method for electrically conductive contacting of a rigid electrically conductive outer conductor of a coaxial cable, so that the device has corresponding control means which control the individual components of the device in a corresponding chronological order according to the method according to the invention.
• the device can also be constructed purely mechanically and operated manually.
• the means for making at least one recess in an outer conductor of a coaxial cable comprise a heating element, so that the insulation of the coaxial cable sheathing the outer conductor is melted a recess can be made.
• the heating element can preferably have an ultrasound, an infrared or a laser source.
• FIG. 1 shows a schematic illustration of a coaxial cable
• FIG. 2 shows a section of a coaxial cable and a top view of a contact element
• FIG. 3 shows a side view of a contact element
• FIG. 4 shows a top view of a section of another Embodiment of a contact element
• FIG. 5 shows a schematic illustration of an electrically conductively contacted outer conductor of a coaxial cable
• FIG. 6 shows a schematic cross-sectional illustration of a further embodiment of an electrically conductive contacting of an outer conductor of a coaxial cable
• FIG. 7 shows a plan view of a section of a ner further embodiment of a contact element with a stop
• FIG. 8 shows a schematic cross-sectional representation of a contact element with a sheathing
• FIG. 9 is a schematic cross-sectional view of the contact element according to FIG. 8 in the assembled state
• Fig. 12 IE 11 is the coaxial cable in the same illustration w '. FIG. 11 upon heating of the insulation,
• FIG. 13 is a view of the coaxial cable of FIG. 12 when the insulation is heated
• FIG. 15 shows the coaxial cable according to FIG. 11 in the same representation as FIG. 11 after insertion of the contact element
• FIG. 16 shows the coaxial cable according to FIG. 11 in the same representation as FIG. 11 after insertion of the contact element and cooling of the insulation
• FIG. 17 in the same representation as FIG. 11 the coaxial cable according to FIG. 11 after the insertion of the contact element and a sealing of the recess
• FIG. 18 in the same representation as FIG. 17 the coaxial cable according to FIG Clamping the contact element
• FIG. 19 in the same representation as FIG. 10 a further embodiment of a contact element.
• a coaxial cable 2 has an inner conductor 4 and an outer conductor 6, the outer conductor 6 consisting of an essentially rigid copper tube which is encased by an insulation 8 made of plastic or a rubber-like material.
• a slot-shaped recess 10 which runs in the axial direction of the coaxial cable 2 and which exposes a section of the outer conductor 6, is introduced into the insulation 8.
• a contact element 12 is introduced through this recess 10 for the electrically conductive contacting of the outer conductor 6 in the direction of the arrow (see FIG. 2).
• the contact element 12 is an essentially rectangular section of a profiled sheet which is made from an alloy such as CV, K55, K88, brass and / or special brass, low-alloy copper or chrome nickel alloy steel.
• the contact element has a wavy section 14 in its center, while it is flat at both ends. One of the two ends serves as a contact section, to which a line can be connected, for example by means of a cable lug or a screw connection.
• the opposite end of the contact element 12, however, is inserted through the recess 10 into the space between the outer conductor 6 and the insulation, due to the elastic properties
• the insulation 8 expands during the insertion process, thus forming an intermediate space in which the contact element 12 can be received with the undulating section 14. In the assembly position, the elastic properties of the insulation 8 and the wave-shaped section 14 of the contact element 12 ensure that there is reliable contact between the contact element 12 and the outer conductor 6.
• the contact element 12 has one at one end
• This incision 16 serves to fix the contact element 12 in its mounting position.
• the contact element 12 is pushed into the space between the outer conductor 6 and the insulation 8, as described above, so that it wraps around a section of the outer conductor 6.
• the contact element 12 is moved in the axial direction of the coaxial cable 2 so that the notch 16 comes into engagement with the edge of the insulation 8 in the region of the recess 10.
• the contact element 12 is hooked to a section of the insulation 8 and is thus secured against undesired slipping in this position.
• the front end of the contact element 12 can be U-shaped (see FIG.
• sealing compounds 20 Materials which contain thermoplastic elastomer (TPE), butyl, plastic-elastic sealing compounds, adhesives or sealing compounds containing silicone are used as sealing compounds 20. A liquid-impermeable closure of the recess 10 is achieved with these sealing compounds 20. At the same time, the contact element 12 is fixed in its mounting position by the sealing compound 20, the elastic ones
• the sealing compound 20 are able to compensate for age-related shrinkage of the insulation 8.
• two recesses 10 are made in the insulation 8 on opposite sections of the coaxial cable 2. Subsequently, the contact element 12 is inserted with its front end through the first recess 10 into the space between the insulation 8 and the outer conductor 6 and up to
• the front section of the contact element 12 is then continued by further advancement, so that the front section of the contact element 12 emerges from the second recess 10.
• the two ends of the contact element 12 can then be connected to one another and thus clamped all around the coaxial cable 2, with the Connection of the two ends of the contact element 12 fasteners for connecting a line, such as a cable lug or screw connections can be used.
• the two recesses 10 are also closed with a sealing compound 20 impermeable to moisture.
• a corresponding contact element is used in combination with an embodiment of the method according to the invention, in which a plurality of recesses spaced apart in the circumferential direction are formed in the insulation, one of the contact projections of the contact element can extend through each of the recesses, so that An electrically conductive contact between the same and the contact element is produced at a plurality of points on the outer conductor that are spaced apart in the circumferential direction.
• limiting means 22 are provided, which define a contact lug 24 which extends into the space between the outer conductor 6 and the
• the limiting means 22 can be designed as a protruding nose (see FIG. 7), which acts as a stop means and thus prevent further insertion of the contact tab 24 of the contact element 12 into the space between the outer conductor 6 and the insulation 8.
• the limiting means 22 can also be designed as an optical marking (see FIG. 8) which gives a worker the minimum necessary insertion depth of the contact. Indicates clock element 12 in the space between the insulation 8 of the coaxial cable 2 and its outer conductor 6, so that a sufficiently large contact area between the contact lug 24 and the outer conductor 8 of a coaxial cable 2 is given.
• the contact element 12 has a cable lug 32 to which an earth cable 34 is connected.
• the contact element 12 has a sheath 26 made of vulcanized rubber, which is provided with a profile which facilitates handling during insertion into the space between the insulation 8 and the outer conductor 6 of the coaxial cable 2.
• the casing 26 ends at the contact lug 24 and at this point has a pan-shaped depression 28 which runs around the contact element 12.
• closure mass 20 which collects in the depression 28 and so a liquid impervious closure of the recess of the Coaxial cable 2 guaranteed.
• the recess 28 can already be filled with sealing compound before inserting the contact element 12 with the sheath 26, the sealing compound 20 being arranged such that when the limiting means 22 is reached during the insertion movement of the contact element 12 into the intermediate space between the outer conductor 6 and the insulation 8 of the coaxial cable, the sealing compound 20 comes into contact with the edge of the recess 10 and thus ensures a liquid-impermeable seal of the recess 10 of the coaxial cable 2.
• FIGS. 10 to 18. 10 shows a view of a further exemplary embodiment of a contact element 12 according to the invention, which is made of thin sheet metal with high electrical
• Fig. 11 shows a radial section through the coaxial cable 2, wherein it can be seen that the outer conductor 6 is covered by the insulation 8.
• the inner conductor of the coaxial cable is not shown in FIG. 11.
• a cut 10 is first made in the form of a short slot running in the axial direction of the coaxial cable 2, so that the outer conductor 6 of the coaxial cable is exposed in the area of the recess 10.
• the recess 10 can also be formed in a manner other than by cutting.
• the insulation 8 is first widened in the radial direction of the coaxial cable 2.
• the material of the insulation 8 is heated in an area provided for contacting with the contact element 12, as indicated by arrows 40 in FIG. 12.
• Fig. 13 it is indicated that the heating of the Insulation 8 takes place exclusively in a region 42 which is short in the axial direction of the coaxial cable 2 and which is provided for contacting the contact element 12. Due to the heating, the insulation 8 expands in the radial direction, as indicated in FIG. 14.
• the temperature at which the insulation 8 is acted upon during the heating is chosen so that excessive heating, which would lead to damage or destruction of the insulation 8, is avoided.
• the area lying in the radial direction between the outer conductor 6 and the insulation 8 can be acted upon with compressed air by means of a suitable device (not shown in the drawing), as in FIG. 14 by an arrow 44 indicated. Since the outer conductor 6 is essentially rigid, the effect of compressed air thus achieved means that the previously heated outer conductor 6 expands in the radial direction, as indicated by arrows 46, 48 in FIG. 14.
• the insulation 8 is further heated during this process.
• the contact element 12 can be inserted through the recess 10 into the space formed in this way, the ends of the arms 36, 38 of the contact element 12 are "threaded" through the recess 10 into the space between the outer conductor 6 of the insulation 8.
• the arms 36, 38 put on the outer conductor 6 due to their radially inward bias ah. This may lead to deformation of the insulation 6, as shown in FIG. 15 indicated. In the event of a subsequent cooling and an associated radial contraction of the insulation 8, this deformation is reversed, as shown in FIG. 16.
• the contact element 12 is inserted with its arms 36, 38 into the space between the outer conductor 6 and the insulation 8 and is in electrically conductive contact with the outer conductor 6 with its radial inner surface and with its radial outer surface on the radial inner surface of the insulation.
• 16 shows a radial distance between the contact element 12 and the outer conductor 6 on the one hand and the insulation 8 on the other hand only for reasons of illustration.
• the recess 10 is sealed airtight and / or moisture-tight with a sealing compound 20, so that the penetration of air and / or moisture which may possibly influence it is prevented.
• the contact element 12 is shown with a radial distance from the outer conductor 6 on the one hand and the insulation 8 on the other.
• the end of the contact element 12 protruding from the recess 10 can also be provided with a screw connection 50 in order, for example, to connect an earth cable to the contact element 12 and thus to the outer conductor 6 in an electrically conductive manner.
• FIG. 19 shows a further exemplary embodiment of a contact element 12 according to the invention, which differs from the exemplary embodiment illustrated in FIG. 10 in that the free ends of the arms 36, 38 are designed as hooks 52, 54.

Landscapes

• Coupling Device And Connection With Printed Circuit (AREA)
• Multi-Conductor Connections (AREA)

Priority Applications (1)

Applications Claiming Priority (4)

Publications (2)

Family

ID=34684122

Family Applications (2)

Family Applications Before (1)

Country Status (4)

Families Citing this family (7)

Family Cites Families (10)

• 2004
  • 2004-04-20 DE DE102004019689A patent/DE102004019689B3/de not_active Expired - Fee Related
  • 2004-04-30 EP EP04010369A patent/EP1589616A1/fr not_active Withdrawn
• 2005
  • 2005-04-20 EP EP05732279A patent/EP1741163B1/fr not_active Not-in-force
  • 2005-04-20 AT AT05732279T patent/ATE398848T1/de not_active IP Right Cessation
  • 2005-04-20 WO PCT/EP2005/004206 patent/WO2005104301A1/fr active IP Right Grant

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events