EP3767750A1 - Electric connector, insulated safety element and method for mounting an electrical connector - Google Patents
Electric connector, insulated safety element and method for mounting an electrical connector Download PDFInfo
- Publication number
- EP3767750A1 EP3767750A1 EP19186433.9A EP19186433A EP3767750A1 EP 3767750 A1 EP3767750 A1 EP 3767750A1 EP 19186433 A EP19186433 A EP 19186433A EP 3767750 A1 EP3767750 A1 EP 3767750A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductor contact
- contact element
- inner conductor
- insulating protection
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 239000004020 conductor Substances 0.000 claims abstract description 334
- 238000009413 insulation Methods 0.000 claims description 30
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- 230000001419 dependent effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/426—Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
- H01R13/4362—Insertion of locking piece perpendicular to direction of contact insertion comprising a temporary and a final locking position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4367—Insertion of locking piece from the rear
- H01R13/4368—Insertion of locking piece from the rear comprising a temporary and a final locking position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Definitions
- the invention relates to an electrical connector having an inner conductor contact element, an outer conductor contact element and an insulating protection element arranged between the inner conductor contact element and the outer conductor contact element, according to the preamble of claim 1.
- the invention also relates to an insulating protection element for an electrical connector according to the preamble of claim 14.
- the invention also relates to a method for assembling an electrical plug connector which has an inner conductor contact element, an outer conductor contact element and an insulating protection element arranged between the outer conductor contact element and the inner conductor contact element.
- the inner conductor contact elements of the connector must be connected to the inner conductors of an electrical cable assigned to them.
- an outer conductor contact element is also provided which surrounds the inner conductor contact elements and has to be connected to an outer conductor shield of the electrical cable.
- the outer conductor shield of the electrical cable is designed as an outer conductor shield braid made of several individual wires that are intertwined with one another.
- individual wires of the braid may separate. These individual wires can finally establish an electrical connection or a short circuit between the inner conductor contact element and the outer conductor contact element.
- insulating parts or insulating protection elements are generally used between the inner conductor contact elements and arranged the outer conductor contact element. This can be, for example, electrically insulating plastic rings or insulating housings of the electrical plug connector with individual receptacles for receiving the inner conductor contact elements.
- an insulating protection element is used that ensures free assembly access through assembly recesses in the outer conductor contact element up to the inner conductor contact elements. Through the assembly access, for example assembly tools, in particular screwdrivers, can then be passed through the outer conductor contact element for fastening the inner conductor contact element to the inner conductor of the electrical cable.
- the coating of the screw is, however, comparatively complex and expensive. Furthermore, such a solution, in particular for safety-critical power cables or high-voltage cables, can occasionally still not be sufficiently safe.
- the object of the present invention is to provide an electrical connector which is particularly suitable for safety-critical applications and inexpensive mass production.
- the present invention is also based on the object of providing an improved insulating protection element that can be used in an electrical connector in order to prevent a short circuit between an inner conductor contact element and an outer conductor contact element, preferably without significantly increasing the assembly effort for the electrical connector.
- the object is achieved for the electrical connector with the features listed in claim 1.
- the object is achieved by the features of claim 14.
- the object is achieved by the features of claim 15.
- An electrical connector having (at least) one inner conductor contact element, an outer conductor contact element and an insulating protection element arranged between the inner conductor contact element and the outer conductor contact element.
- the outer conductor contact element has (at least) one assembly recess for providing (at least) one assembly access for fastening the inner conductor contact element to an inner conductor of an electrical cable.
- any connector that has any number of inner conductor contact elements can be provided within the scope of the invention.
- an electrical connector within the scope of the invention can have exactly one inner conductor contact element or more inner conductor contact elements, for example two inner conductor contact elements or more inner conductor contact elements, three inner conductor contact elements or more inner conductor contact elements, four inner conductor contact elements or even more inner conductor contact elements.
- An electrical connector with exactly two inner conductor contact elements is preferably provided.
- an electrical connector with only one inner conductor contact element is provided, this can preferably be designed as a coaxial connector.
- the electrical connector is preferably designed as a connector for power transmission or for supplying electrical assemblies.
- the connector can be designed as a low-voltage connector or as a high-voltage connector (for supply voltages greater than 60 V).
- the electrical connector can, for example, be advantageously well suited for the transmission of currents at voltages of less than one volt or else of more than 1,000 volts, for example also at voltages from 5 volts to 500 volts, preferably 12 volts to 400 volts, particularly preferably 24 volts to 230 volts, and very particularly preferably 48 volts to 110 volts, for example also 60 volts.
- the connector can be well suited for the transmission of direct current as well as alternating current.
- the electrical connector is particularly preferably designed as a connector for mobile radio technology, for example for supplying an active mobile radio antenna and / or a so-called remote radio unit, or for vehicle technology, for example for an electric vehicle.
- vehicle describes any means of transportation, in particular vehicles on land, on water or in the air, including spacecraft.
- An electrical connector can be a plug, a built-in plug, a socket, a coupling or an adapter.
- plug connector used in the context of the invention is representative of all variants.
- the assembly access for fastening the inner conductor contact element to the inner conductor of the electrical cable can in particular be designed for inserting or passing through an assembly tool, for example a screwdriver for fastening a screw or a pressing tool.
- the insulating protection element can be displaced between an assembly position in which the assembly access through the assembly recess to the inner conductor contact element is released, and an insulating protection position in which the assembly access to the inner conductor contact element is blocked by the insulating protection element.
- insulation protection against short circuits can thus advantageously be provided between an inner conductor contact element of an electrical connector or an inner conductor of an electrical cable and an outer conductor contact element of the electrical connector or an outer conductor shield of the electrical cable.
- an insulating protection element can be provided which can be preassembled between the outer conductor contact element and the inner conductor contact element before the inner conductor contact element is attached to an associated inner conductor of the electrical cable.
- the assembly access can be blocked, so that undesirably protruding individual wires of an outer conductor shield braid of the cable cannot penetrate through the assembly access to the inner conductor contact element or the inner conductor.
- a short circuit due to protruding individual wires can thus be practically excluded , which is why a connector according to the invention can be particularly suitable for safety-critical applications.
- the insulating protection element has (at least) one access opening which, in the assembly position, is aligned with the assembly recess such that assembly access to the inner conductor contact element is released through the assembly recess and the access opening.
- the access opening can also be aligned with the assembly recess in such a way that the assembly access through the assembly recess to the inner conductor contact element is blocked by a continuous wall of the insulating protection element.
- the access opening and the mounting recess are preferably aligned or coaxially aligned with one another in the mounting position of the insulating protection element.
- a corresponding mounting recess is preferably provided in the outer conductor contact element for each inner conductor contact element. If, for example, two inner conductor contact elements are provided, two assembly recesses can preferably also be provided in the outer conductor contact element to provide a respective assembly access.
- a mounting recess can also be provided in the outer conductor contact element, which provides a common assembly access for assembling a plurality of inner conductor contact elements.
- the configuration of the outer conductor contact element with one mounting recess per inner conductor contact element is preferred.
- the insulating protection element When using several inner conductor contact elements, the insulating protection element preferably has one access opening per inner conductor contact element. If, for example, two inner conductor contact elements are provided, two access openings can preferably be formed in the insulating protection element, which are arranged in the assembly position of the insulating protection element to the one or more assembly recesses in the outer conductor contact element that at least one assembly access to the Assembly of one of the two inner conductor contact elements is released, preferably both assembly accesses to both inner conductor contact elements are released at the same time.
- the insulating protection element can also have a smaller number of access openings than inner conductor contact elements, for example only a single access opening.
- the insulating protection element can then, for example, be displaceable between several assembly positions and the insulating protection position.
- a first assembly position can be provided in which a first assembly access is released through a first assembly recess to a first inner conductor contact element.
- a second assembly position can be provided in which a second assembly access is released through a second assembly recess to a second inner conductor contact element.
- an embodiment of the invention is preferred, according to which the insulating protection element has precisely one mounting position and one insulating protection position and is only displaceable between these two positions.
- the number of inner conductor contact elements preferably corresponds to the number of mounting recesses and the number of access openings.
- an insulating part is arranged between the inner conductor contact element and the outer conductor contact element, which has a mounting opening which, together with the mounting recess of the outer conductor contact element, is able to provide assembly access.
- the insulating part can be provided in order to provide (at least) one receptacle for the (at least one) inner conductor contact element in the electrical connector.
- the insulating part can, for example, be designed as an inner housing shell of the electrical connector.
- the insulating part can primarily ensure that no short circuit can occur between the outer conductor contact element and the inner conductor contact element or elements.
- This primary insulation protection can then be advantageously combined with the insulation protection element according to the invention, after which the assembly access for fastening the inner conductor contact element to the at least one inner conductor of the cable is released or blocked by the insulation protection element.
- the dimensions of the insulating protection element can be reduced and the structure simplified if the connector additionally has the static or immovable insulating part between the inner conductor contact element (s) and the outer conductor contact element and essentially only the dynamic portion or the movable part of the insulation is provided by the insulating protection element must become.
- the insulating part and the insulating protection element are preferably parts that are independent of one another.
- the electrical connector has a round geometry (or is designed as a round connector), the outer conductor contact element, the inner conductor contact element, the insulating part and / or the insulating protection element having a substantially round cross section, in particular a hollow cylindrical, have round cross-section.
- the invention can be particularly well suited for use with round plug connectors, although the construction of the plug connector can in principle be any.
- rectangular connectors can also be provided, for example flat connectors.
- the electrical connector is not restricted to a specific connector type, the invention being particularly suitable for connectors for power transmission and for connectors for high-frequency technology. It can in particular be connectors of the type PL, BNC, TNC, SMBA (FAKRA), SMA, SMB, SMS, SMC, SMP, BMS, HFM (FAKRA-Mini), H-MTD, BMK, Mini-Coax or MATE -AX trade.
- the invention is particularly advantageously suitable for plug connectors with inner conductor contact elements with a large cross section for high power transmission.
- An electrical connector for supplying electrical assemblies with electrical power can thus be provided.
- the insulating protection element in a groove of the outer conductor contact element, in a groove of the inner conductor contact element, in a groove of the insulating part, in a groove formed between the insulating part and the outer conductor contact element and / or in one between the insulating part and the Inner conductor contact element formed groove is guided.
- the groove or the corresponding recess in the outer conductor contact element can preferably be designed in such a way that it intersects the assembly recess.
- the groove or the corresponding recess in the insulating part can preferably be designed in such a way that it intersects the assembly opening.
- the groove or the corresponding recess is particularly preferably formed in a transition region between the outer conductor contact element and the insulating part, since this can be implemented particularly easily in terms of production technology.
- a groove or a corresponding recess can also be possible only in the outer conductor contact element or only in the insulating part. Even a groove in the inner conductor contact element can be provided.
- the assembly recess of the outer conductor contact element, the access opening of the insulating protection element and / or the assembly opening of the insulating part is designed as a bore or elongated hole.
- a bore or an elongated hole can be easily realized in terms of production technology.
- other geometries can also be provided for the assembly recess, the access opening and / or the assembly opening, in particular also a rectangular geometry.
- the assembly recess of the outer conductor contact element is particularly preferably designed as an elongated hole or rectangular recess.
- the access opening of the insulating protection element and the assembly opening of the optional insulating part are particularly preferably designed as a bore.
- the inner conductor of the cable is fastened to the inner conductor contact element by means of a screw.
- the assembly access preferably runs in such a way that the screw can be actuated by inserting an assembly tool into the assembly access
- the screw can be viewed as part of the electrical connector within the scope of the invention.
- a metallic screw is preferably provided.
- the screw is completely covered by the insulating protection element in the insulating protection position of the insulating protection element.
- the diameter of a screw head of the screw is larger than the diameter of the access opening of the insulating protection element.
- the diameter of the screw head of the screw is greater than the diameter of the access opening of the insulating protection element, for example greater than the diameter of a hole in the insulating protection element, inadvertent loss of the screw through the access opening in a pre-assembled delivery condition can be prevented in an advantageous manner.
- the diameter of the access opening of the insulating protection element can be larger than the diameter of the assembly tool and smaller than the diameter of the screw head. In this way, the assembly tool can be passed through the access opening, but at the same time a screw that has already been inserted cannot be lost through the access opening of the insulating protection element.
- the insulating protection element has latching means for latching with a corresponding latching element of the outer conductor contact element, the inner conductor contact element and / or the insulating part in order to latch the insulating protection element in the assembly position and / or in the insulating protection position.
- the insulating protection element can preferably be latched at least in the insulating protection position. Particularly preferably, however, the insulating protection element can be latched both in the assembly position and in the insulating protection position.
- the latching is preferably carried out with the insulating part or with another housing component of the electrical connector.
- the locking lug or the pin is preferably guided in a corresponding rail guide with one or two locking recesses in the insulating part.
- Axial catches or axially extending catch means can be provided in the insulating protection element, but also radially running catch means.
- Axial locking means are preferably provided.
- the latching means, for example latching lugs, of the insulating protection element can for example be formed on an elastic spring arm of the insulating protection element, for example at a free end of the spring arm or in the middle (or in a central section) of a spring arm connected on both sides.
- the spring arm can be implemented particularly advantageously by means of an elongated hole or one or more slots along the circumference of the insulating protection element.
- the deformability or elasticity of the spring arm can be selected such that the spring arm provides sufficient holding force for the latching and can bend sufficiently reversibly during the latching or during the releasing of the latching without undergoing (irreversible) plastic deformation.
- the spring mechanism in particular based on a spring arm, can serve to only deliberately trigger a displacement of the insulating protection element from the insulating protection position to the assembly position (or vice versa).
- the spring mechanism can be defined by the material of the insulating protection element and by the geometry of the insulating part and the outer conductor contact element. The interaction between the insulating part, the outer conductor contact element and the insulating protective element can be coordinated in order to set the force required to move the insulating protective element (based on the assembly position and / or insulating protective position).
- the insulating protection element is partially ring-shaped or ring-shaped, the insulating protection element being able to be displaced rotationally and / or axially between the mounting position and the insulating protection position relative to the longitudinal axis of the electrical connector.
- the insulating protection element is particularly preferably designed in the form of a partial ring or ring and is rotatable relative to the longitudinal axis of the electrical connector.
- the movement of the insulating protection element between the mounting position and the insulating protection position can therefore take place by a rotary movement about the central axis of the connector. In principle, however, an axial displacement can also be provided.
- the displacement of the insulating protection element between the mounting position and the insulating protection position can even have a rotary or radial as well as an axial component.
- a link guide for guiding a link block of the insulating protection element in the electrical connector, for example in the insulating part or the outer conductor contact element, can be provided for such a movement.
- a partially ring-shaped or ring-shaped insulating protection element can be particularly well suited for use with an electrical connector with a round geometry.
- insulating protection elements can also be provided within the scope of the invention, for example one insulating protection element for each inner conductor contact element or for each screw for fastening the inner conductor contact element.
- a respective partially annular insulating protective element or a respective (to be described below) plate-shaped insulating protective element can then be provided for each inner conductor contact element or for each screw provided for fastening the inner conductor contact elements.
- the insulating protection element is designed in the form of a plate, the insulating protection element based on the The longitudinal axis of the electrical connector is axially displaceable between the mounting position and the insulating protection position.
- a plate-shaped insulating protection element can be particularly well suited for use with an electrical plug connector with a rectangular, in particular flat, geometry.
- the insulating protection element has at least one guide means, in particular a radially or axially protruding lug or a web, in order to be able to move the insulating protection element in its assembled state within the outer conductor contact element.
- the insulating protection element can advantageously be displaced from the outside, for example by means of the assembly tool or also a finger of the fitter or user of the connector.
- the at least one guide means can also be designed in the form of at least one groove or at least one recess, for example also in the form of grooves in the outer wall of the insulating protection element.
- a separately designed guide means can also be dispensed with.
- the insulating protection element itself or the access opening of the insulating protection element can be used to move the insulating protection element.
- the assembly tool (or a finger of the fitter) provided for fastening the inner conductor contact element can be partially inserted into the access opening and the insulating protection element can then be displaced by initiating the movement at the access opening.
- a mounting recess designed as an elongated hole or a rectangular, elongated recess in the outer conductor contact element can be well suited for this variant.
- the invention is basically suitable for use with a plug connector with any number of inner conductor contact elements. Particularly preferably, however, two inner conductor contact elements are provided, the respective fastening of which to an inner conductor of the electrical cable is made possible by a respective assembly access through corresponding assembly recesses or access openings.
- the invention also relates to an insulating protection element for an electrical connector, the insulating protection element being arranged between (at least) one inner conductor contact element and an outer conductor contact element of an electrical connector.
- the insulating protection element can be displaced between a mounting position and an insulating protection position. In the assembly position, the insulating protection element releases (at least) one assembly access through a (at least one) assembly recess provided in the outer conductor contact element for fastening the inner conductor contact element to an inner conductor of an electrical cable. In the insulation protection position, the insulation protection element blocks the assembly access.
- a captive electrically insulating protective insulating element can be provided for protection against a short circuit between the inner conductor or the inner conductors and an outer conductor shield of an electrical cable.
- conductive screws used in particular for fastening the inner conductor contact element to the inner conductor can be completely electrically insulated, so that no electrical connection can arise between the outer conductor shield of the cable and the inner conductor contact element.
- the insulating protection element can also be used for permanent protection against the loss of clamping screws or screws for fastening inner conductor contact elements to inner conductors of the cable.
- the insulating protection element according to the invention is particularly cost-optimized and can be extremely easy to install in the context of an assembly of the electrical plug connector and in particular also suitable for mass production of plug connectors.
- the insulating protection element can optionally also have an assembly prevention, for example a nose extending axially in the direction of the cable, in order to positively block final assembly of the electrical connector, in particular with regard to the screwing on of a locking nut, a locking sleeve or other connector component, if the insulating protection element is not is in the insulation protection position.
- an assembly prevention for example a nose extending axially in the direction of the cable, in order to positively block final assembly of the electrical connector, in particular with regard to the screwing on of a locking nut, a locking sleeve or other connector component, if the insulating protection element is not is in the insulation protection position.
- the above-mentioned first method step (moving the insulating protection element into the assembly position) can in particular already take place implicitly in the context of a pre-assembly of the insulating protection element.
- the method step of fastening the inner conductor contact element or elements to corresponding inner conductors of the cable can preferably be carried out by pressing or clamping the inner conductor in a cylindrical inner conductor contact element by means of a screw.
- an assembly tool for example a screwdriver, can be passed through the assembly access when the insulating protection element is in the assembly position.
- the insulating protection element can be moved between the mounting position and the insulating protection position in particular by rotating it.
- the insulating protection element latches in the assembly position and / or (in particular) in the insulating protection position with a plug connector component, for example an inner housing shell or an insulating part.
- a plug connector component for example an inner housing shell or an insulating part.
- the insulating protection element according to the invention is optionally in the outer conductor contact element, preferably within a groove of the outer conductor contact element, an insulating part or one between the outer conductor contact element and the groove formed in the insulating part, can be preassembled, this cannot be forgotten by the installer during cable installation.
- the insulating protection element can also prevent the clamping screws from being lost at any time - even in the assembly position. The screws used cannot be lost within the insulating protection element even in a loose delivery condition.
- the invention is particularly suitable for use with circular connectors and especially for circular connectors in which one or more inner conductor contact elements must be clamped to the inner conductor of an electrical cable with screws and must be separated from an outer conductor shield of the cable.
- the invention also relates to an advantageous use of an electrical plug connector according to the statements above and below for supplying power to active mobile radio antennas.
- the cross-section of the inner conductors of the transmission cables used on a cell phone tower is designed to be correspondingly large.
- the inner conductors of the cable can therefore preferably be fastened by means of a screw connection.
- a metallic screw is used for each inner conductor, which is fed radially through the mounting recess of the outer conductor contact element and screwed into an aligned threaded hole provided in the insulating part or in the inner conductor contact element.
- a ground shield or an outer conductor shield of the electrical cable can be passed over the outer surface of the outer conductor contact element.
- the insulating protection element according to the invention can then reliably prevent an undesired short circuit between an inner conductor and the outer conductor shield of the cable by moving the insulating protection element into the insulating protection position according to the invention.
- the invention also relates to an electrical plug connection made up of an electrical plug connector according to the above and following statements and to an electrical mating connector that can be plugged together with the electrical plug connector.
- the invention also relates to a vehicle, having at least one electrical connector according to the preceding and following statements, or a mobile radio antenna with an electrical connector according to the preceding and following statements.
- the invention also relates to an assembly prevention device for an insulating protection element.
- the insulating protection element can preferably be designed in accordance with the information given above and below. In principle, however, the assembly prevention can be suitable for any insulating protection elements.
- the assembly prevention can be designed to block final assembly of an electrical connector in a form-fitting manner if the insulating protection element is not in an insulating protection position (in particular an insulating protection position described above and below).
- the assembly prevention can also be designed to block a mating connector from being plugged into the connector in a form-fitting manner when the insulating protection element is not in an insulating protection position (in particular an insulating protection position described above and below).
- the assembly prevention can preferably have a nose extending axially and / or radially in the direction of the cable.
- the values and parameters described here have deviations or fluctuations of ⁇ 10% or less, preferably ⁇ 5% or less, more preferably ⁇ 1% or less, and very particularly preferably include ⁇ 0.1% or less of the specified value or parameter, provided that these deviations are not excluded when implementing the invention in practice.
- the specification of ranges by start and end values also includes all those values and fractions that are included in the respective named range, in particular the start and end values and a respective mean value.
- Figure 1 shows an electrical connector 1 according to the invention in a perspective view.
- the electrical connector 1 is shown as an example connected to an electrical cable 2.
- an electrical connector according to the invention can have any structure, for example a coaxial structure, a triaxial structure or some other structure.
- the electrical connector 1 has, for example, a round geometry.
- the invention can also be suitable for use with a rectangular connector, for example a flat connector.
- Figures 2 and 3 show sectional views of the in Figure 1 connector 1 shown in the longitudinal direction, ie along the longitudinal axis L or along the central axis of the electrical connector 1, wherein Figure 2 a partial section through the rear area of the connector 1 together with the electrical cable 2 and Figure 3 show a complete section through the connector 1 without the electrical cable 2.
- the electrical connector 1 has two inner conductor contact elements 3 (cf. in particular Figure 3 ). This is only to be understood as an example. In principle, the electrical connector 1 can have any number of inner conductor contact elements 3, for example only one inner conductor contact element 3.
- the inner conductor contact elements 3 are provided for contacting mating contact elements of a corresponding mating connector (not shown) and are to be electrically connected to the inner conductors 4 of the electrical cable 2, like this particularly well in Figure 2 is recognizable.
- the illustrated electrical connector 1 is designed as an example for the transmission of high currents.
- the inner conductors 4 of the cable 2 can particularly advantageously be fastened to the inner conductor contact elements 3 or clamped to them by means of a screw 5 (see, inter alia, FIG. 3).
- the screws 5 can be particularly advantageously mountable from opposite sides of the connector 1, as shown in the exemplary embodiments.
- a first screw 5 for connecting a first inner conductor 4 to a first inner conductor contact element 3, starting from a first side of the connector 1 and a second screw 5 for mounting a second inner conductor 4 on a second inner conductor contact element 3, starting from a side opposite the first Side of the connector 1 may be provided.
- assembly can also be provided from the same side of the connector 1 or starting from any direction.
- the electrical connector 1 also has an outer conductor contact element 6 which runs around the inner conductor contact elements 3 for electromagnetic shielding.
- the outer conductor contact element 6 is connected to an outer conductor shield, in particular an outer conductor shield braid 7 of the electrical cable 2 (cf. inter alia Figure 2 ).
- the outer conductor shielding braid 7 can for this purpose, for example, be pressed or clamped between the outer conductor contact element 6 and a - preferably electrically conductive - outer housing 8 of the plug connector 1, for example in FIG Figure 2 shown.
- the outer housing 8 can be screwed onto the outer conductor contact element 6, for example, as will be shown below in the context of the assembly process in FIG Figures 15 to 20 is shown.
- an insulating protection element 9 is arranged between the outer conductor contact element 6 and the inner conductor contact elements 3.
- the connector 1 shown is ring-shaped and is exemplified in FIG Figure 4 shown in perspective.
- assembly recesses 10 are provided in the outer conductor contact element 6, which in the exemplary embodiments are particularly advantageously designed as elongated holes (cf. e.g. Figures 6 , 9 as well as 13 and 14).
- the insulating protection element 9 is between a mounting position (cf., for example, the alignment in Figure 6 or in Figure 13 ) and an insulation protection position (see e.g. the alignment in Figure 9 or in Figure 14 ) movable.
- a mounting position cf., for example, the alignment in Figure 6 or in Figure 13
- an insulation protection position see e.g. the alignment in Figure 9 or in Figure 14
- the insulating protection element 9 is arranged relative to the outer conductor contact element 6 such that the assembly access M is released through the assembly recess 10 of the outer conductor contact element 6 up to the respective inner conductor contact element 3.
- the insulation protection position however, the assembly access M is blocked by the insulation protection element 9.
- the insulating protection element 9 preferably has at least one access opening 11.
- a separate access opening 11 and a separate assembly recess 10 are provided for each inner conductor contact element 3 or for each assembly access M.
- the access opening 11 is aligned with the assembly recess 10 such that the assembly access M to the respective inner conductor contact element 3 through the assembly recess 10 and the access opening 11 is released.
- the access opening 11 is shifted accordingly and the assembly access M is blocked as a result.
- the electrical plug connector 1 optionally has an insulating part 12 between the inner conductor contact elements 3 and the outer conductor contact element 6.
- the insulating protective element 9 is guided between the insulating part 12 and the outer conductor contact element 6, wherein the insulating protective element 9 can in principle also be guided between the insulating part 12 and the inner conductor contact elements 3.
- the insulating part 12 has assembly openings 13 corresponding to the assembly recesses 10 (cf. Figure 5 ), which are arranged in alignment with the mounting recesses 10 of the outer conductor contact element 6.
- the insulating protection element 9 can be displaced in a rotational manner between the assembly position and the insulating protection position with respect to the longitudinal axis L of the electrical connector 1.
- the insulating protection element 9 is guided in a recess or groove 14 formed between the insulating part 12 and the outer conductor contact element 6.
- the insulating protection element 9 can, for example, also be guided exclusively in a groove in the outer conductor contact element 6, in a groove in the inner conductor contact element 3 or even in a groove in the insulating part 12.
- the insulating protection element 9 can also be guided in a groove formed between the insulating part 12 and the inner conductor contact element 3.
- the access opening 11 of the insulating protection element 9 is designed, for example, as a bore in the exemplary embodiments.
- the access opening 11 can, however, also be designed as an elongated hole or some other recess, for example also as a rectangular recess. This also applies analogously to the assembly recess 10 of the outer conductor contact element 6 and the assembly opening 13 of the insulating part 12.
- FIG. 5 the fastening of the inner conductor contact elements 3 to the inner conductors 4 of the electrical cable 2 through the released assembly access M is illustrated by way of example using a cross section through the plug connector 1.
- an assembly tool for example the screwdriver 15 shown, can be guided through the assembly recesses 10, assembly openings 13 and access openings 11 up to the screws 5, around the inner conductor 4 to clamp within the hollow cylindrical inner conductor contact elements 3 by tightening the screws 5.
- Torx screws 5 are shown purely by way of example; in principle, any screw types can be provided. Alternatively, crimping or pressing or soldering of the inner conductor contact elements 3 and the inner conductor 4 with a corresponding suitable assembly tool can also be provided.
- the diameter of the screw heads of the screws 5 is greater than the diameter of the access opening 11 of the insulating protection element 9. This allows the assembly tool 15 to be passed through the access opening 11, but the screw 5 cannot be lost go, even if this is only present loosely in a delivery state within the insulating protection element 9.
- Figure 6 is the insulating protection element 9 within the outer conductor contact element 6 in its mounting position and in Figure 9 shown in its insulation protection position.
- the insulating protection element 9 was, as in Figure 9 shown, shifted rotationally to reach the insulation protection position, whereby the assembly access M is blocked and the screw 5 is thus also covered. Unintentional electrical contacting of the screw 5 or the inner conductor contact element 3 by protruding individual wires of the outer conductor shield braid 7 of the cable 2 is no longer possible.
- the variant of the insulating protection element 9 shown has the insulating protection element 9 differently from the one in FIG Figures 1 to 5 and 15 to 20
- Embodiments shown have additional guide means 16, in the present case axially protruding from the insulating protection element 9, whereby the insulating protection element 9 in its assembled state can be moved particularly comfortably by the user within the outer conductor contact element 6.
- the outer conductor contact element 6 is in the Figures 7 and 10 hidden. In principle, however, a corresponding guide means 16 can also be omitted.
- the user or the fitter can also move the insulating protection element 9 with his finger or the assembly tool 15, in particular if the assembly recess 10 of the outer conductor contact element 6 is designed as an elongated hole, as shown, and thus allows sufficient access to the insulating protection element 9 .
- the figures also show a possibility of locking the insulating protection element 9 in the assembly position and in the insulating protection position. This is especially good in the Figures 4 , 8th , 11 and 12 recognizable.
- the insulating protection element 9 has axially protruding latching means 17 which interact with corresponding latching elements 18 of the insulating part 12, which are designed, for example, as a rail guide.
- any number of locking means 17 and locking elements 18 can be provided, for example only one locking means 17 and one corresponding locking element 18;
- two latching means 17 and two latching elements 18 on opposite sides of the insulating protection element 9 and of the insulating part 12 are shown by way of example.
- latching is provided in the assembly position as well as in the insulation protection position. In principle, however, locking can only be provided in the assembly position or in the insulation protection position. At least one latching in the insulating protection position can be particularly advantageous, since then the insulating protection element 9 cannot be moved back into the "unsafe" assembly position unintentionally (e.g. during the later use of the connector 1).
- the locking means 17 of the insulating protection element 9 is according to FIGS Figures 1 to 11 formed in the middle of an elastic spring arm 19.
- the spring arm 19 is formed, for example, by a slot-shaped recess in the insulating protection element 9. In principle, however, the spring arm 19 can also be shaped in other ways.
- the locking means 17 can also be attached to a free end of the spring arm 19.
- a latching of the insulating protection element 9 does not necessarily have to take place on the (anyway optional) insulating part 12.
- a latching of the insulating protection element 9 can also be provided on the outer conductor contact element 6 or even on one of the inner conductor contact elements 3. In principle, a latching with any plug connector component of the plug connector 1 can be provided.
- the insulating protection element 9 can also be only partially annular, in which case one insulating protection element 9 can be provided for each inner conductor contact element 3 in a particularly advantageous manner.
- An exemplary, partially annularly designed insulating protection element 9 is shown in FIG Figure 12 shown in perspective.
- the partially annular insulating protection element 9 of the Figure 12 can also be rotatably displaceable with respect to the longitudinal axis L of the electrical connector 1 between the mounting position and the insulation protection position.
- an axial displacement between the mounting position and the insulating protection position can also be advantageous. Such an axial displacement is exemplified in Figures 13 and 14 shown.
- Figure 13 shows the partially annular insulating protection element 9 within the outer conductor contact element 6 in its assembly position, whereby the assembly access M to the corresponding inner conductor contact element 3 is released.
- FIG 14 the partially annular insulating protection element 9 is shown in its insulating protection position. Due to the axial displacement of the insulating protection element 9 or its access opening 11 relative to the assembly recess 10 of the outer conductor contact element 6, the assembly access M in the in Figure 14 connector 1 shown thus blocked.
- guide means 16 also an axially protruding flag
- the partially annular insulating protection element 9 can also latch in the outer conductor contact element 6, in the insulating part 12 and / or in the inner conductor contact elements 3 in the assembly position and / or the insulation protection position, for which a laterally protruding latching means 17 is exemplified in Figure 12 is shown.
- the insulating protection element 9 can also be designed in the form of a plate (not shown further in the exemplary embodiments).
- FIGS. 15 to 20 show a method according to the invention for assembling the electrical plug connector 1 using a few exemplary method steps. Basically, it should be mentioned that further method steps can also be provided. In particular, process steps can also be omitted within the scope of the invention; the figures thus in particular also show only optional method steps. Furthermore, the sequence of the method steps can vary.
- the electrical cable 2 is prepared or pre-assembled for contacting the connector 1.
- the electrical cable 2 can be freed from a cable sheath 20 at its end to be processed.
- the outer conductor shield braid 7 can then be folded back over the remaining cable sheath 20.
- a filling layer (not shown in the figures) and any existing cable foil (also not shown) can then be removed in order to separate the inner conductors 4 and make them accessible for further processing.
- the individual inner conductors 4 can then be freed of their insulation 21 at a front section and the wires of the inner conductors 4 exposed.
- wire sleeves 22 can be connected to the exposed wires of the inner conductors 4, for example crimped or soldered. This state of the cable is in Figure 15 shown.
- the insulating protection element 9 for fastening the inner conductor contact elements 3 to the inner conductors 4 of the cable 2 can first be brought into the assembly position (if not already preassembled).
- the assembly access M to the inner conductor contact elements 3 through the outer conductor contact element 6 and the insulating part 12 is guaranteed.
- an in Figure 5 The screwdriver 15 shown can be used to tighten the respective screws 5 for clamping the inner conductor 4 in the inner conductor contact elements 3.
- the screwdriver 15, a finger of the fitter or a possibly existing guide means 16 of the insulating protection element 9 can be used to move the insulating protection element 9 into its insulating protection position, in which the assembly access M to the inner conductor contact element 3 is blocked by the insulating protection element.
- the outer housing 8 of the connector 1 together with the locking nut 23 can be pushed onto the outer conductor contact element 6 from behind and screwed to it.
- the outer conductor braid 7 is thereby clamped between the outer conductor contact element 6 and the outer housing 8 of the plug connector 1. Because the insulating protection element 9 is in its insulating protection position, any protruding individual wires of the outer conductor shielding braid 7 cannot produce a short circuit with the inner conductor contact elements 3.
- the insulating protection element 9 has an assembly prevention device (not shown) which only allows assembly of the outer housing 8 of the electrical connector 1 when the insulating protection element 9 is in its insulating protection position.
- an assembly prevention device (not shown) which only allows assembly of the outer housing 8 of the electrical connector 1 when the insulating protection element 9 is in its insulating protection position.
- a web protruding axially in the direction of the cable 2 can be provided for this purpose, which, in the assembly position of the insulating protection element 9, blocks the outer housing 8 of the connector 1 from being attached to the outer conductor contact element 6 in a form-fitting manner and only in the insulation protection position releases.
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Abstract
Die Erfindung betrifft einen elektrischen Steckverbinder (1), aufweisend ein Innenleiterkontaktelement (3), ein Außenleiterkontaktelement (6) und ein zwischen dem Innenleiterkontaktelement (3) und dem Außenleiterkontaktelement (6) angeordnetes Isolierschutzelement (9). Das Außenleiterkontaktelement (6) weist eine Montageausnehmung (10) für die Bereitstellung eines Montagezugangs (M) zur Befestigung des Innenleiterkontaktelements (3) an einem Innenleiter (4) eines elektrischen Kabels (2) auf. Es ist vorgesehen, dass das Isolierschutzelement (9) zwischen einer Montageposition, in der der Montagezugang (M) durch die Montageausnehmung (10) zu dem Innenleiterkontaktelement (3) freigegeben ist, und einer Isolierschutzposition, in der der Montagezugang (M) zu dem Innenleiterkontaktelement (3) durch das Isolierschutzelement (9) versperrt ist, verschiebbar ist.The invention relates to an electrical connector (1) having an inner conductor contact element (3), an outer conductor contact element (6) and an insulating protection element (9) arranged between the inner conductor contact element (3) and the outer conductor contact element (6). The outer conductor contact element (6) has a mounting recess (10) to provide an assembly access (M) for fastening the inner conductor contact element (3) to an inner conductor (4) of an electrical cable (2). It is provided that the insulating protection element (9) is between an assembly position in which the assembly access (M) is released through the assembly recess (10) to the inner conductor contact element (3) and an insulating protection position in which the assembly access (M) to the inner conductor contact element (3) is blocked by the insulating protection element (9), is displaceable.
Description
Die Erfindung betrifft einen elektrischen Steckverbinder, aufweisend ein Innenleiterkontaktelement, ein Außenleiterkontaktelement und ein zwischen dem Innenleiterkontaktelement und dem Außenleiterkontaktelement angeordnetes Isolierschutzelement, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to an electrical connector having an inner conductor contact element, an outer conductor contact element and an insulating protection element arranged between the inner conductor contact element and the outer conductor contact element, according to the preamble of
Die Erfindung betrifft ferner ein Isolierschutzelement für einen elektrischen Steckverbinder, gemäß dem Oberbegriff des Anspruchs 14.The invention also relates to an insulating protection element for an electrical connector according to the preamble of
Die Erfindung betrifft außerdem ein Verfahren zur Montage eines elektrischen Steckverbinders, der ein Innenleiterkontaktelement, ein Außenleiterkontaktelement und ein zwischen dem Außenleiterkontaktelement und dem Innenleiterkontaktelement angeordnetes Isolierschutzelement aufweist.The invention also relates to a method for assembling an electrical plug connector which has an inner conductor contact element, an outer conductor contact element and an insulating protection element arranged between the outer conductor contact element and the inner conductor contact element.
Im Rahmen der Montage eines elektrischen Steckverbinders müssen die Innenleiterkontaktelemente des Steckverbinders mit den ihnen zugeordneten Innenleitern eines elektrischen Kabels verbunden werden. Bei geschirmten elektrischen Steckverbindern ist ferner ein Außenleiterkontaktelement vorgesehen, das die Innenleiterkontaktelemente umgibt und mit einem Außenleiterschirm des elektrischen Kabels verbunden werden muss.As part of the assembly of an electrical connector, the inner conductor contact elements of the connector must be connected to the inner conductors of an electrical cable assigned to them. In the case of shielded electrical plug-in connectors, an outer conductor contact element is also provided which surrounds the inner conductor contact elements and has to be connected to an outer conductor shield of the electrical cable.
In der Regel ist der Außenleiterschirm des elektrischen Kabels als Außenleiterschirmgeflecht aus mehreren miteinander verflochtenen Einzeldrähten ausgebildet. Bei unzureichender Auslegung und Führung des Außenleiterschirmgeflechts oder generell beim Verbinden des Außenleiterschirmgeflechts mit dem Außenleiterkontaktelement des elektrischen Steckverbinders kann es zu einer Separierung von Einzeldrähten des Geflechts kommen. Diese Einzeldrähte können schließlich eine elektrische Verbindung bzw. einen Kurzschluss zwischen dem Innenleiterkontaktelement und dem Außenleiterkontaktelement herstellen.As a rule, the outer conductor shield of the electrical cable is designed as an outer conductor shield braid made of several individual wires that are intertwined with one another. In the case of inadequate design and routing of the outer conductor shield braid or generally when connecting the outer conductor shield braid to the outer conductor contact element of the electrical plug connector, individual wires of the braid may separate. These individual wires can finally establish an electrical connection or a short circuit between the inner conductor contact element and the outer conductor contact element.
Unabhängig vom Einsatzgebiet des elektrischen Steckverbinders ist ein Kurzschluss zwischen Innenleiter(n) und Außenleiter aufgrund von abstehenden Einzeldrähten eines Kabelschirmgeflechts ein schon seit langer Zeit bekanntes Problem. Um eine Kontaktierung der Innenleiterkontaktelemente durch abstehende Einzeldrähte des Außenleiterschirmgeflechts eines elektrischen Kabels zuverlässig zu verhindern, werden in der Regel Isolierteile oder Isolierschutzelemente zwischen den Innenleiterkontaktelementen und dem Außenleiterkontaktelement angeordnet. Dabei kann es sich beispielsweise um elektrisch isolierende Kunststoffringe oder Isoliergehäuse des elektrischen Steckverbinders mit einzelnen Aufnahmen zur Aufnahme der Innenleiterkontaktelemente handeln.Regardless of the area of application of the electrical connector, a short circuit between the inner conductor (s) and the outer conductor due to protruding individual wires of a braided cable shield has been a problem that has been known for a long time. In order to reliably prevent contact with the inner conductor contact elements by protruding individual wires of the outer conductor shielding braid of an electrical cable, insulating parts or insulating protection elements are generally used between the inner conductor contact elements and arranged the outer conductor contact element. This can be, for example, electrically insulating plastic rings or insulating housings of the electrical plug connector with individual receptacles for receiving the inner conductor contact elements.
Für die Herstellung von elektrischen Steckverbindern werden neben der Prozesssicherheit häufig auch ein besonders wirtschaftlicher Fertigungsprozess und insbesondere auch eine kurze Prozesszeit gefordert, insbesondere um eine Massenfertigung bereitstellen zu können. Diesbezüglich gestaltet sich ein Aufbau des elektrischen Steckverbinders, bei dem ein Isolierteil oder Isolierschutzelement zwischen den Innenleiterkontaktelementen und dem Außenleiterkontaktelement angeordnet ist, als vergleichsweise unpraktisch, da durch das Isolierschutzelement die Möglichkeiten zur Befestigung des Innenleiterkontaktelements an den Innenleitern des elektrischen Kabels eingeschränkt sind. In der Regel wird ein Isolierschutzelement verwendet, das einen freien Montagezugang durch Montageausnehmungen in dem Außenleiterkontaktelement bis hin zu den Innenleiterkontaktelementen gewährleistet. Durch den Montagezugang können dann beispielsweise Montagewerkzeuge, insbesondere Schraubendreher, durch das Außenleiterkontaktelement zur Befestigung des Innenleiterkontaktelements an dem Innenleiter des elektrischen Kabels hindurchgeführt werden.For the production of electrical plug connectors, in addition to process reliability, a particularly economical production process and in particular also a short process time are often required, in particular in order to be able to provide mass production. In this regard, a construction of the electrical connector in which an insulating part or insulating protection element is arranged between the inner conductor contact elements and the outer conductor contact element turns out to be comparatively impractical, since the insulating protection element limits the possibilities for attaching the inner conductor contact element to the inner conductors of the electrical cable. As a rule, an insulating protection element is used that ensures free assembly access through assembly recesses in the outer conductor contact element up to the inner conductor contact elements. Through the assembly access, for example assembly tools, in particular screwdrivers, can then be passed through the outer conductor contact element for fastening the inner conductor contact element to the inner conductor of the electrical cable.
Durch den Montagezugang besteht allerdings wiederum die Möglichkeit eines Kurzschlusses aufgrund von abstehenden Einzeldrähten des Außenleiterschirmgeflechts des elektrischen Kabels. Die Möglichkeit eines Kurzschlusses wird durch das genannte Isolierschutzelement damit zwar verringert, jedoch nicht vollständig ausgeschlossen. Dies ist insbesondere für sicherheitskritische Anwendungen, beispielsweise für Hochvoltsteckverbinder, oder zur Übertragung kritischer Datensignale, beispielsweise im Rahmen eines autonomen Betriebs eines Kraftfahrzeugs, nicht akzeptabel.However, through the assembly access there is again the possibility of a short circuit due to protruding individual wires of the outer conductor shielding braid of the electrical cable. The possibility of a short circuit is reduced by the aforementioned insulating protection element, but it is not completely excluded. This is particularly unacceptable for safety-critical applications, for example for high-voltage plug connectors, or for the transmission of critical data signals, for example in the context of autonomous operation of a motor vehicle.
Zur Lösung des Problems wird beispielsweise in der
Die Beschichtung der Schraube ist allerdings vergleichsweise aufwändig und teuer. Ferner kann eine derartige Lösung, insbesondere für sicherheitskritische Leistungskabel bzw. Hochvoltkabel, mitunter nach wie vor nicht ausreichend sicher sein.The coating of the screw is, however, comparatively complex and expensive. Furthermore, such a solution, in particular for safety-critical power cables or high-voltage cables, can occasionally still not be sufficiently safe.
In Anbetracht des bekannten Stands der Technik besteht die Aufgabe der vorliegenden Erfindung darin, einen elektrischen Steckverbinder bereitzustellen, der sich insbesondere für sicherheitskritische Anwendungen und eine kostengünstige Massenfertigung eignet.In view of the known state of the art, the object of the present invention is to provide an electrical connector which is particularly suitable for safety-critical applications and inexpensive mass production.
Der vorliegenden Erfindung liegt auch die Aufgabe zugrunde, ein verbessertes Isolierschutzelement bereitzustellen, das in einem elektrischen Steckverbinder verwendet werden kann, um einen Kurzschluss zwischen einem Innenleiterkontaktelement und einem Außenleiterkontaktelement zu verhindern, vorzugsweise ohne den Montageaufwand für den elektrischen Steckverbinder nennenswert zu erhöhen.The present invention is also based on the object of providing an improved insulating protection element that can be used in an electrical connector in order to prevent a short circuit between an inner conductor contact element and an outer conductor contact element, preferably without significantly increasing the assembly effort for the electrical connector.
Schließlich ist es auch Aufgabe der Erfindung, ein Verfahren zur Montage eines elektrischen Steckverbinders bereitzustellen, das sich insbesondere zur Herstellung eines für sicherheitskritische Anwendungen geeigneten Steckverbinders im Rahmen einer Massenfertigung vorteilhaft eignen kann.Finally, it is also the object of the invention to provide a method for assembling an electrical plug connector which can be advantageously suitable in particular for producing a plug connector suitable for safety-critical applications in the context of mass production.
Die Aufgabe wird für den elektrischen Steckverbinder mit den in Anspruch 1 aufgeführten Merkmalen gelöst. Hinsichtlich des Isolierschutzelements wird die Aufgabe durch die Merkmale des Anspruchs 14 gelöst. Bezüglich des Verfahrens wird die Aufgabe durch die Merkmale des Anspruchs 15 gelöst.The object is achieved for the electrical connector with the features listed in
Die abhängigen Ansprüche und die nachfolgend beschriebenen Merkmale betreffen vorteilhafte Ausführungsformen und Varianten der Erfindung.The dependent claims and the features described below relate to advantageous embodiments and variants of the invention.
Es ist ein elektrischer Steckverbinder vorgesehen, aufweisend (wenigstens) ein Innenleiterkontaktelement, ein Außenleiterkontaktelement und ein zwischen dem Innenleiterkontaktelement und dem Außenleiterkontaktelement angeordnetes Isolierschutzelement. Das Außenleiterkontaktelement weist (wenigstens) eine Montageausnehmung für die Bereitstellung (wenigstens) eines Montagezugangs zur Befestigung des Innenleiterkontaktelements an einem Innenleiter eines elektrischen Kabels auf.An electrical connector is provided, having (at least) one inner conductor contact element, an outer conductor contact element and an insulating protection element arranged between the inner conductor contact element and the outer conductor contact element. The outer conductor contact element has (at least) one assembly recess for providing (at least) one assembly access for fastening the inner conductor contact element to an inner conductor of an electrical cable.
Grundsätzlich kann im Rahmen der Erfindung ein beliebiger Steckverbinder vorgesehen sein, der eine beliebige Anzahl an Innenleiterkontaktelementen aufweist. Beispielsweise kann ein elektrischer Steckverbinder im Rahmen der Erfindung genau ein Innenleiterkontaktelement oder mehre Innenleiterkontaktelemente, beispielsweise zwei Innenleiterkontaktelement oder mehr Innenleiterkontaktelemente, drei Innenleiterkontaktelement oder mehr Innenleiterkontaktelemente, vier Innenleiterkontaktelement oder noch mehr Innenleiterkontaktelemente aufweisen. Vorzugsweise ist ein elektrischer Steckverbinder mit genau zwei Innenleiterkontaktelementen vorgesehen.In principle, any connector that has any number of inner conductor contact elements can be provided within the scope of the invention. For example, an electrical connector within the scope of the invention can have exactly one inner conductor contact element or more inner conductor contact elements, for example two inner conductor contact elements or more inner conductor contact elements, three inner conductor contact elements or more inner conductor contact elements, four inner conductor contact elements or even more inner conductor contact elements. An electrical connector with exactly two inner conductor contact elements is preferably provided.
Sofern ein elektrischer Steckverbinder mit nur einem Innenleiterkontaktelement vorgesehen ist, kann dieser vorzugsweise als Koaxialsteckverbinder ausgebildet sein.If an electrical connector with only one inner conductor contact element is provided, this can preferably be designed as a coaxial connector.
Vorzugsweise ist der elektrische Steckverbinder als Steckverbinder zur Stromübertragung bzw. zur Versorgung elektrischer Baugruppen ausgebildet. Der Steckverbinder kann als Niedervoltsteckverbinder oder als Hochvoltsteckverbinder (für Versorgungsspannungen größer als 60 V) ausgebildet sein. Der elektrische Steckverbinder kann sich beispielsweise vorteilhaft zur Übertragung von Strömen bei Spannungen von unter einem Volt oder aber auch von mehr als 1.000 Volt gut eignen, beispielsweise auch bei Spannungen von 5 Volt bis 500 Volt, vorzugsweise 12 Volt bis 400 Volt, besonders bevorzugt 24 Volt bis 230 Volt, und ganz besonders bevorzugt 48 Volt bis 110 Volt, beispielweise auch 60 Volt. Der Steckverbinder kann sich zur Übertragung von Gleichstrom als auch Wechselstrom gut eignen.The electrical connector is preferably designed as a connector for power transmission or for supplying electrical assemblies. The connector can be designed as a low-voltage connector or as a high-voltage connector (for supply voltages greater than 60 V). The electrical connector can, for example, be advantageously well suited for the transmission of currents at voltages of less than one volt or else of more than 1,000 volts, for example also at voltages from 5 volts to 500 volts, preferably 12 volts to 400 volts, particularly preferably 24 volts to 230 volts, and very particularly preferably 48 volts to 110 volts, for example also 60 volts. The connector can be well suited for the transmission of direct current as well as alternating current.
Besonders bevorzugt ist der elektrische Steckverbinder als Steckverbinder für die Mobilfunktechnik, beispielsweise zur Versorgung einer aktiven Mobilfunkantenne und/oder einer sog. Remote Radio Unit, oder für die Fahrzeugtechnik, beispielsweise für ein Elektrofahrzeug, ausgebildet.The electrical connector is particularly preferably designed as a connector for mobile radio technology, for example for supplying an active mobile radio antenna and / or a so-called remote radio unit, or for vehicle technology, for example for an electric vehicle.
Der Begriff "Fahrzeug" beschreibt vorliegend jegliches Fortbewegungsmittel, insbesondere Fahrzeuge zu Lande, zu Wasser oder in der Luft, eingeschlossen auch Raumfahrzeuge.The term “vehicle” describes any means of transportation, in particular vehicles on land, on water or in the air, including spacecraft.
Bei einem elektrischen Steckverbinder kann es sich um einen Stecker, einen Einbaustecker, eine Buchse, eine Kupplung oder einen Adapter handeln. Die im Rahmen der Erfindung verwendete Bezeichnung "Steckverbinder" steht stellvertretend für alle Varianten.An electrical connector can be a plug, a built-in plug, a socket, a coupling or an adapter. The term "plug connector" used in the context of the invention is representative of all variants.
Der Montagezugang zur Befestigung des Innenleiterkontaktelements an dem Innenleiter des elektrischen Kabels kann insbesondere zum Einführen bzw. Durchführen eines Montagewerkzeugs, beispielsweise eines Schraubendrehers zur Befestigung einer Schraube oder eines Presswerkzeugs, ausgebildet sein.The assembly access for fastening the inner conductor contact element to the inner conductor of the electrical cable can in particular be designed for inserting or passing through an assembly tool, for example a screwdriver for fastening a screw or a pressing tool.
Erfindungsgemäß ist vorgesehen, dass das Isolierschutzelement zwischen einer Montageposition, in der der Montagezugang durch die Montageausnehmung zu dem Innenleiterkontaktelement freigegeben ist, und einer Isolierschutzposition, in der der Montagezugang zu dem Innenleiterkontaktelement durch das Isolierschutzelement versperrt ist, verschiebbar ist.According to the invention it is provided that the insulating protection element can be displaced between an assembly position in which the assembly access through the assembly recess to the inner conductor contact element is released, and an insulating protection position in which the assembly access to the inner conductor contact element is blocked by the insulating protection element.
Erfindungsgemäß kann somit vorteilhaft ein Isolierschutz vor Kurzschluss zwischen einem Innenleiterkontaktelement eines elektrischen Steckverbinders bzw. einem Innenleiter eines elektrischen Kabels und einem Außenleiterkontaktelement des elektrischen Steckverbinders bzw. einem Außenleiterschirm des elektrischen Kabels bereitgestellt werden.According to the invention, insulation protection against short circuits can thus advantageously be provided between an inner conductor contact element of an electrical connector or an inner conductor of an electrical cable and an outer conductor contact element of the electrical connector or an outer conductor shield of the electrical cable.
In vorteilhafter Weise kann ein Isolierschutzelement bereitgestellt werden, das bereits vor der Befestigung des Innenleiterkontaktelements an einem zugeordneten Innenleiter des elektrischen Kabels zwischen dem Außenleiterkontaktelement und dem Innenleiterkontaktelement vormontiert sein kann.In an advantageous manner, an insulating protection element can be provided which can be preassembled between the outer conductor contact element and the inner conductor contact element before the inner conductor contact element is attached to an associated inner conductor of the electrical cable.
Durch die Möglichkeit des Verschiebens des Isolierschutzelements nach der Befestigung des wenigstens einen Innenleiterkontaktelements an dem jeweiligen Innenleiter des Kabels kann der Montagezugang blockiert werden, wodurch ungewünscht abstehende Einzeldrähte eines Außenleiterschirmgeflechts des Kabels nicht durch den Montagezugang bis zu dem Innenleiterkontaktelement oder dem Innenleiter vordringen können. Ein Kurzschluss durch abstehende Einzeldrähte kann dadurch praktisch ausgeschlossen werden, weshalb sich ein erfindungsgemäßer Steckverbinder insbesondere für sicherheitskritische Anwendungen eignen kann.Due to the possibility of moving the insulating protection element after the at least one inner conductor contact element has been attached to the respective inner conductor of the cable, the assembly access can be blocked, so that undesirably protruding individual wires of an outer conductor shield braid of the cable cannot penetrate through the assembly access to the inner conductor contact element or the inner conductor. A short circuit due to protruding individual wires can thus be practically excluded , which is why a connector according to the invention can be particularly suitable for safety-critical applications.
Gleichzeitig kann eine kostengünstige Montage mit kurzer Prozesszeit beibehalten werden, wodurch sich der elektrische Steckverbinder im Rahmen einer Massenfertigung in hoher Stückzahl äußerst wirtschaftlich herstellen lassen kann.At the same time, a cost-effective assembly with a short process time can be maintained, whereby the electrical connector can be manufactured extremely economically in large numbers in the context of mass production.
In einer vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass das Isolierschutzelement (wenigstens) eine Zugangsöffnung aufweist, die in der Montageposition derart zu der Montageausnehmung ausgerichtet ist, dass der Montagezugang zu dem Innenleiterkontaktelement durch die Montageausnehmung und die Zugangsöffnung freigegeben ist.In an advantageous development of the invention, it can be provided that the insulating protection element has (at least) one access opening which, in the assembly position, is aligned with the assembly recess such that assembly access to the inner conductor contact element is released through the assembly recess and the access opening.
Die Zugangsöffnung kann außerdem in der Isolierschutzposition derart zu der Montageausnehmung ausgerichtet sein, dass der Montagezugang durch die Montageausnehmung zu dem Innenleiterkontaktelement durch eine durchgängige Wandung des Isolierschutzelements blockiert ist.In the insulating protection position, the access opening can also be aligned with the assembly recess in such a way that the assembly access through the assembly recess to the inner conductor contact element is blocked by a continuous wall of the insulating protection element.
Es kann somit ein Montagezugang in der Art eines Montagekanals durch das Außenleiterkontaktelement und das Isolierschutzelement bis hin zu dem Innenleiterkontaktelement bereitgestellt werden.It is thus possible to provide assembly access in the manner of an assembly channel through the outer conductor contact element and the insulating protection element up to the inner conductor contact element.
Vorzugsweise sind die Zugangsöffnung und die Montageausnehmung in der Montageposition des Isolierschutzelements zueinander fluchtend bzw. koaxial ausgerichtet.The access opening and the mounting recess are preferably aligned or coaxially aligned with one another in the mounting position of the insulating protection element.
Vorzugsweise ist für jedes Innenleiterkontaktelement eine korrespondierende Montageausnehmung in dem Außenleiterkontaktelement vorgesehen. Sind beispielsweise zwei Innenleiterkontaktelemente vorgesehen, können vorzugsweise auch zwei Montageausnehmungen in dem Außenleiterkontaktelement zur Bereitstellung eines jeweiligen Montagezugangs vorgesehen sein.A corresponding mounting recess is preferably provided in the outer conductor contact element for each inner conductor contact element. If, for example, two inner conductor contact elements are provided, two assembly recesses can preferably also be provided in the outer conductor contact element to provide a respective assembly access.
Grundsätzlich kann allerdings auch eine Montageausnehmung in dem Außenleiterkontaktelement vorgesehen sein, die einen gemeinsamen Montagezugang zur Montage mehrerer Innenleiterkontaktelemente bereitstellt. Bevorzugt ist allerdings die Ausgestaltung des Außenleiterkontaktelements mit einer Montageausnehmung pro Innenleiterkontaktelement.In principle, however, a mounting recess can also be provided in the outer conductor contact element, which provides a common assembly access for assembling a plurality of inner conductor contact elements. However, the configuration of the outer conductor contact element with one mounting recess per inner conductor contact element is preferred.
Bei Verwendung mehrerer Innenleiterkontaktelemente weist das Isolierschutzelement vorzugsweise eine Zugangsöffnung pro Innenleiterkontaktelement auf. Sind beispielsweise zwei Innenleiterkontaktelemente vorgesehen, können vorzugsweise zwei Zugangsöffnungen in dem Isolierschutzelement ausgebildet sein, die in der Montageposition des Isolierschutzelements derart zu der einen oder den mehrere Montageausnehmungen in dem Außenleiterkontaktelement angeordnet sind, dass zumindest ein Montagezugang zur Montage eines der beiden Innenleiterkontaktelemente freigegeben ist, vorzugsweise gleichzeitig beide Montagezugänge zu beiden Innenleiterkontaktelementen freigegeben sind.When using several inner conductor contact elements, the insulating protection element preferably has one access opening per inner conductor contact element. If, for example, two inner conductor contact elements are provided, two access openings can preferably be formed in the insulating protection element, which are arranged in the assembly position of the insulating protection element to the one or more assembly recesses in the outer conductor contact element that at least one assembly access to the Assembly of one of the two inner conductor contact elements is released, preferably both assembly accesses to both inner conductor contact elements are released at the same time.
Sofern mehrere Innenleiterkontaktelemente vorgesehen sind, kann das Isolierschutzelement aber auch eine geringere Anzahl Zugangsöffnungen als Innenleiterkontaktelemente aufweisen, beispielsweise auch nur eine einzige Zugangsöffnung. Das Isolierschutzelement kann dann beispielsweise zwischen mehreren Montagepositionen und der Isolierschutzposition verschiebbar sein. Beispielsweise kann eine erste Montageposition vorgesehen sein, in der ein erster Montagezugang durch eine erste Montageausnehmung zu einem ersten Innenleiterkontaktelement freigegeben ist. Ferner kann eine zweite Montageposition vorgesehen sein, in der ein zweiter Montagezugang durch eine zweite Montageausnehmung zu einem zweiten Innenleiterkontaktelement freigegeben ist. Bevorzugt ist allerdings eine Ausgestaltung der Erfindung, wonach das Isolierschutzelement genau eine Montageposition und eine Isolierschutzposition aufweist und lediglich zwischen diesen beiden Positionen verschiebbar ist.If several inner conductor contact elements are provided, the insulating protection element can also have a smaller number of access openings than inner conductor contact elements, for example only a single access opening. The insulating protection element can then, for example, be displaceable between several assembly positions and the insulating protection position. For example, a first assembly position can be provided in which a first assembly access is released through a first assembly recess to a first inner conductor contact element. Furthermore, a second assembly position can be provided in which a second assembly access is released through a second assembly recess to a second inner conductor contact element. However, an embodiment of the invention is preferred, according to which the insulating protection element has precisely one mounting position and one insulating protection position and is only displaceable between these two positions.
Vorzugsweise entspricht die Anzahl der Innenleiterkontaktelemente der Anzahl von Montageausnehmungen sowie der Anzahl von Zugangsöffnungen.The number of inner conductor contact elements preferably corresponds to the number of mounting recesses and the number of access openings.
Gemäß einer Weiterbildung der Erfindung kann vorgesehen sein, dass ein Isolierteil zwischen dem Innenleiterkontaktelement und dem Außenleiterkontaktelement angeordnet ist, das eine Montageöffnung aufweist, die gemeinsam mit der Montageausnehmung des Außenleiterkontaktelements den Montagezugang bereitzustellen vermag.According to a development of the invention, it can be provided that an insulating part is arranged between the inner conductor contact element and the outer conductor contact element, which has a mounting opening which, together with the mounting recess of the outer conductor contact element, is able to provide assembly access.
Insbesondere kann das Isolierteil vorgesehen sein, um (wenigstens) eine Aufnahme für das (wenigstens eine) Innenleiterkontaktelement in dem elektrischen Steckverbinder bereitzustellen. Das Isolierteil kann beispielsweise als innere Gehäuseschale des elektrischen Steckverbinders ausgebildet sein.In particular, the insulating part can be provided in order to provide (at least) one receptacle for the (at least one) inner conductor contact element in the electrical connector. The insulating part can, for example, be designed as an inner housing shell of the electrical connector.
Das Isolierteil kann vornehmlich sicherstellen, dass kein Kurzschluss zwischen dem Außenleiterkontaktelement und dem oder den Innenleiterkontaktelementen auftreten kann. Dieser primäre Isolierschutz kann dann in vorteilhafter Weise mit dem erfindungsgemäßen Isolierschutzelement kombiniert werden, wonach der Montagezugang zur Befestigung des Innenleiterkontaktelements an dem wenigstens einen Innenleiter des Kabels durch das Isolierschutzelement freigegeben oder blockiert wird. Die Dimensionen des Isolierschutzelements können verkleinert und der Aufbau vereinfacht sein, wenn der Steckverbinder zusätzlich das statische bzw. unbewegliche Isolierteil zwischen den Innenleiterkontaktelement(en) und dem Außenleiterkontaktelement aufweist und im Wesentlichen nur der dynamische Anteil bzw. der beweglich Teil der Isolation durch das Isolierschutzelement bereitgestellt werden muss.The insulating part can primarily ensure that no short circuit can occur between the outer conductor contact element and the inner conductor contact element or elements. This primary insulation protection can then be advantageously combined with the insulation protection element according to the invention, after which the assembly access for fastening the inner conductor contact element to the at least one inner conductor of the cable is released or blocked by the insulation protection element. The dimensions of the insulating protection element can be reduced and the structure simplified if the connector additionally has the static or immovable insulating part between the inner conductor contact element (s) and the outer conductor contact element and essentially only the dynamic portion or the movable part of the insulation is provided by the insulating protection element must become.
Vorzugsweise handelt es sich bei dem Isolierteil und dem Isolierschutzelement um voneinander unabhängige Teile.The insulating part and the insulating protection element are preferably parts that are independent of one another.
Gemäß einer Weiterbildung der Erfindung kann vorgesehen sein, dass der elektrische Steckverbinder eine runde Geometrie aufweist (bzw. als Rundsteckverbinder ausgebildet ist), wobei das Außenleiterkontaktelement, das Innenleiterkontaktelement, das Isolierteil und/oder das Isolierschutzelement einen im Wesentlichen runden Querschnitt, insbesondere einen hohlzylindrischen, runden Querschnitt aufweisen.According to a development of the invention it can be provided that the electrical connector has a round geometry (or is designed as a round connector), the outer conductor contact element, the inner conductor contact element, the insulating part and / or the insulating protection element having a substantially round cross section, in particular a hollow cylindrical, have round cross-section.
Die Erfindung kann sich insbesondere zur Verwendung mit runden Steckverbindern gut eignen, wobei der Aufbau des Steckverbinders grundsätzlich aber beliebig sein kann. Beispielsweise können auch rechteckige Steckverbinder vorgesehen sein, beispielsweise Flachstecker.The invention can be particularly well suited for use with round plug connectors, although the construction of the plug connector can in principle be any. For example, rectangular connectors can also be provided, for example flat connectors.
Der elektrische Steckverbinder ist nicht auf einen spezifischen Steckverbindertyp beschränkt, wobei sich die Erfindung insbesondere für Steckverbinder zur Stromübertragung und für Steckverbinder für die Hochfrequenztechnik eignet. Es kann sich dabei insbesondere um Steckverbinder des Typs PL, BNC, TNC, SMBA (FAKRA), SMA, SMB, SMS, SMC, SMP, BMS, HFM (FAKRA-Mini), H-MTD, BMK, Mini-Coax oder MATE-AX handeln.The electrical connector is not restricted to a specific connector type, the invention being particularly suitable for connectors for power transmission and for connectors for high-frequency technology. It can in particular be connectors of the type PL, BNC, TNC, SMBA (FAKRA), SMA, SMB, SMS, SMC, SMP, BMS, HFM (FAKRA-Mini), H-MTD, BMK, Mini-Coax or MATE -AX trade.
Ganz besonders vorteilhaft eignet sich die Erfindung für Steckverbinder mit Innenleiterkontaktelementen mit großem Querschnitt für eine hohe Stromübertragung. Es kann somit ein elektrischer Steckverbinder zur Versorgung von elektrischen Baugruppen mit elektrischer Leistung vorgesehen sein.The invention is particularly advantageously suitable for plug connectors with inner conductor contact elements with a large cross section for high power transmission. An electrical connector for supplying electrical assemblies with electrical power can thus be provided.
In einer Weiterbildung der Erfindung kann vorgesehen sein, dass das Isolierschutzelement in einer Nut des Außenleiterkontaktelements, in einer Nut des Innenleiterkontaktelements, in einer Nut des Isolierteils, in einer zwischen dem Isolierteil und dem Außenleiterkontaktelement gebildeten Nut und/oder in einer zwischen dem Isolierteil und dem Innenleiterkontaktelement gebildeten Nut geführt ist.In a development of the invention it can be provided that the insulating protection element in a groove of the outer conductor contact element, in a groove of the inner conductor contact element, in a groove of the insulating part, in a groove formed between the insulating part and the outer conductor contact element and / or in one between the insulating part and the Inner conductor contact element formed groove is guided.
Die Nut bzw. die entsprechende Ausnehmung in dem Außenleiterkontaktelement kann vorzugsweise derart ausgebildet sein, dass sie die Montageausnehmung schneidet.The groove or the corresponding recess in the outer conductor contact element can preferably be designed in such a way that it intersects the assembly recess.
Die Nut bzw. die entsprechende Ausnehmung in dem Isolierteil kann vorzugsweise derart ausgebildet sein, dass sie die Montageöffnung schneidet.The groove or the corresponding recess in the insulating part can preferably be designed in such a way that it intersects the assembly opening.
Besonders bevorzugt ist die Nut bzw. die entsprechende Ausnehmung in einem Übergangsbereich zwischen dem Außenleiterkontaktelement und dem Isolierteil ausgebildet, da dies fertigungstechnisch besonders einfach realisierbar ist. Insbesondere kann aber auch eine Nut bzw. eine entsprechende Ausnehmung einzig in dem Außenleiterkontaktelement oder einzig in dem Isolierteil möglich sein. Selbst eine Nut in dem Innenleiterkontaktelement kann vorgesehen sein.The groove or the corresponding recess is particularly preferably formed in a transition region between the outer conductor contact element and the insulating part, since this can be implemented particularly easily in terms of production technology. In particular, however, a groove or a corresponding recess can also be possible only in the outer conductor contact element or only in the insulating part. Even a groove in the inner conductor contact element can be provided.
In einer Weiterbildung der Erfindung kann vorgesehen sein, dass die Montageausnehmung des Außenleiterkontaktelements, die Zugangsöffnung des Isolierschutzelements und/oder die Montageöffnung des Isolierteils als Bohrung oder Langloch ausgebildet ist.In a development of the invention it can be provided that the assembly recess of the outer conductor contact element, the access opening of the insulating protection element and / or the assembly opening of the insulating part is designed as a bore or elongated hole.
Eine Bohrung oder ein Langloch kann fertigungstechnisch einfach zu realisieren sein. Grundsätzlich können allerdings auch andere Geometrien für die Montageausnehmung, die Zugangsöffnung und/oder die Montageöffnung vorgesehen sein, insbesondere auch eine rechteckige Geometrie.A bore or an elongated hole can be easily realized in terms of production technology. In principle, however, other geometries can also be provided for the assembly recess, the access opening and / or the assembly opening, in particular also a rectangular geometry.
Besonders bevorzugt ist die Montageausnehmung des Außenleiterkontaktelements als Langloch oder rechteckige Ausnehmung ausgebildet.The assembly recess of the outer conductor contact element is particularly preferably designed as an elongated hole or rectangular recess.
Die Zugangsöffnung des Isolierschutzelements und die Montageöffnung des optionalen Isolierteils sind besonders bevorzugt als Bohrung ausgebildet.The access opening of the insulating protection element and the assembly opening of the optional insulating part are particularly preferably designed as a bore.
In einer vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass der Innenleiter des Kabels mittels einer Schraube an dem Innenleiterkontaktelement befestigt ist. Vorzugsweise verläuft der Montagezugang derart, dass die Schraube durch das Einführen eines Montagewerkzeugs in den Montagezugang betätigbar istIn an advantageous development of the invention it can be provided that the inner conductor of the cable is fastened to the inner conductor contact element by means of a screw. The assembly access preferably runs in such a way that the screw can be actuated by inserting an assembly tool into the assembly access
Die Schraube kann im Rahmen der Erfindung als Bestandteil des elektrischen Steckverbinders angesehen werden.The screw can be viewed as part of the electrical connector within the scope of the invention.
Vorzugsweise ist eine metallische Schraube vorgesehen.A metallic screw is preferably provided.
In einer vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass die Schraube in der Isolierschutzposition des Isolierschutzelements vollständig von dem Isolierschutzelement abgedeckt ist.In an advantageous development of the invention it can be provided that the screw is completely covered by the insulating protection element in the insulating protection position of the insulating protection element.
Hierdurch kann ein besonders sicherer Isolierschutz gegen Kurzschlüsse bereitgestellt werden.This makes it possible to provide particularly reliable insulation protection against short circuits.
In einer Weiterbildung der Erfindung kann vorgesehen sein, dass der Durchmesser eines Schraubenkopfes der Schraube größer ist als der Durchmesser der Zugangsöffnung des Isolierschutzelements.In a further development of the invention it can be provided that the diameter of a screw head of the screw is larger than the diameter of the access opening of the insulating protection element.
Wenn der Durchmesser des Schraubenkopfes der Schraube größer ist als der Durchmesser der Zugangsöffnung des Isolierschutzelements, beispielsweise größer ist als der Durchmesser einer Bohrung des Isolierschutzelements, kann auf vorteilhafte Weise ein versehentlicher Verlust der Schraube durch die Zugangsöffnung in einem vormontierten Auslieferzustand verhindert werden.If the diameter of the screw head of the screw is greater than the diameter of the access opening of the insulating protection element, for example greater than the diameter of a hole in the insulating protection element, inadvertent loss of the screw through the access opening in a pre-assembled delivery condition can be prevented in an advantageous manner.
Insbesondere kann der Durchmesser der Zugangsöffnung des Isolierschutzelements größer sein als der Durchmesser des Montagewerkzeugs und kleiner als der Durchmesser des Schraubenkopfes. Auf diese Weise ist das Montagewerkzeug durch die Zugangsöffnung hindurchführbar, gleichzeitig kann allerdings eine bereits zuvor eingesetzte Schraube nicht mehr durch die Zugangsöffnung des Isolierschutzelements verloren gehen.In particular, the diameter of the access opening of the insulating protection element can be larger than the diameter of the assembly tool and smaller than the diameter of the screw head. In this way, the assembly tool can be passed through the access opening, but at the same time a screw that has already been inserted cannot be lost through the access opening of the insulating protection element.
In einer vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass das Isolierschutzelement Rastmittel zur Verrastung mit einem korrespondierenden Rastelement des Außenleiterkontaktelements, des Innenleiterkontaktelements und/oder des Isolierteils aufweist, um das Isolierschutzelement in der Montageposition und/oder in der Isolierschutzposition zu verrasten.In an advantageous development of the invention it can be provided that the insulating protection element has latching means for latching with a corresponding latching element of the outer conductor contact element, the inner conductor contact element and / or the insulating part in order to latch the insulating protection element in the assembly position and / or in the insulating protection position.
Das Isolierschutzelement kann bevorzugt zumindest in der Isolierschutzposition verrastbar sein. Besonders bevorzugt kann das Isolierschutzelement allerdings sowohl in der Montageposition als auch in der Isolierschutzposition verrastbar sein.The insulating protection element can preferably be latched at least in the insulating protection position. Particularly preferably, however, the insulating protection element can be latched both in the assembly position and in the insulating protection position.
Vorzugsweise erfolgt die Verrastung mit dem Isolierteil oder mit einer sonstigen Gehäusekomponente des elektrischen Steckverbinders.The latching is preferably carried out with the insulating part or with another housing component of the electrical connector.
Es kann vorgesehen sein, eine seitlich an dem Isolierschutzelement ausgebildete Rastnase bzw. einen Zapfen über eine Schienenführung mit einer oder zwei Rastausnehmungen in der Montageausnehmung des Außenleiterkontaktelements zu führen. Bevorzugt wird die Rastnase bzw. der Zapfen allerdings in einer entsprechenden Schienenführung mit einer oder zwei Rastausnehmung in dem Isolierteil geführt.Provision can be made for a latching lug or a pin formed laterally on the insulating protection element to be guided over a rail guide with one or two latching recesses in the mounting recess of the outer conductor contact element. However, the locking lug or the pin is preferably guided in a corresponding rail guide with one or two locking recesses in the insulating part.
Es können axiale Verrastungen bzw. sich axial erstreckende Rastmittel in dem Isolierschutzelement, aber auch radial verlaufende Rastmittel vorgesehen sein. Bevorzugt sind axiale Rastmittel vorgesehen.Axial catches or axially extending catch means can be provided in the insulating protection element, but also radially running catch means. Axial locking means are preferably provided.
Die Rastmittel, beispielsweise Rastnasen, des Isolierschutzelements können beispielsweise auf einem elastischen Federarm des Isolierschutzelements ausgebildet sein, beispielsweise an einem freien Ende des Federarms oder in der Mitte (bzw. in einem mittleren Abschnitt) eines auf beiden Seiten angebundenen Federarms.The latching means, for example latching lugs, of the insulating protection element can for example be formed on an elastic spring arm of the insulating protection element, for example at a free end of the spring arm or in the middle (or in a central section) of a spring arm connected on both sides.
Der Federarm kann besonders vorteilhaft mittels eines Langlochs bzw. einem oder mehreren Schlitzen entlang des Umfangs des Isolierschutzelements realisiert werden.The spring arm can be implemented particularly advantageously by means of an elongated hole or one or more slots along the circumference of the insulating protection element.
Die Deformierbarkeit bzw. die Elastizität des Federarms kann derart gewählt sein, dass der Federarm für die Verrastung eine ausreichende Haltekraft bereitstellt und sich während des Verrastens oder während des Lösens der Verrastung ausreichend reversibel verbiegen kann, ohne eine (irreversible) plastische Verformung zu erfahren.The deformability or elasticity of the spring arm can be selected such that the spring arm provides sufficient holding force for the latching and can bend sufficiently reversibly during the latching or during the releasing of the latching without undergoing (irreversible) plastic deformation.
Der Federmechanismus, insbesondere basierend auf einem Federarm, kann dazu dienen, eine Verschiebung des Isolierschutzelements von der Isolierschutzposition in die Montageposition (oder umgekehrt) nur bewusst auszulösen. Der Federmechanismus kann durch das Material des Isolierschutzelements sowie durch die Geometrie des Isolierteils und des Außenleiterkontaktelements definierbar sein. Das Zusammenspiel zwischen Isolierteil, Außenleiterkontaktelement und Isolierschutzelement kann abgestimmt werden, um die zur Bewegung des Isolierschutzelements (ausgehend von der Montageposition und/oder Isolierschutzposition) erforderliche Kraft einzustellen.The spring mechanism, in particular based on a spring arm, can serve to only deliberately trigger a displacement of the insulating protection element from the insulating protection position to the assembly position (or vice versa). The spring mechanism can be defined by the material of the insulating protection element and by the geometry of the insulating part and the outer conductor contact element. The interaction between the insulating part, the outer conductor contact element and the insulating protective element can be coordinated in order to set the force required to move the insulating protective element (based on the assembly position and / or insulating protective position).
In einer vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass das Isolierschutzelement teilringförmig oder ringförmig ausgebildet ist, wobei das Isolierschutzelement bezogen auf die Längsachse des elektrischen Steckverbinders rotatorisch und/oder axial zwischen der Montageposition und der Isolierschutzposition verschiebbar ist.In an advantageous development of the invention, it can be provided that the insulating protection element is partially ring-shaped or ring-shaped, the insulating protection element being able to be displaced rotationally and / or axially between the mounting position and the insulating protection position relative to the longitudinal axis of the electrical connector.
Besonders bevorzugt ist das Isolierschutzelement teilringförmig oder ringförmig ausgebildet und bezogen auf die Längsachse des elektrischen Steckverbinders rotatorisch verschiebbar. Die Bewegung des Isolierschutzelements zwischen der Montageposition und der Isolierschutzposition kann also durch eine Drehbewegung um die Mittelachse des Steckverbinders erfolgen. Grundsätzlich kann allerdings auch eine axiale Verschiebung vorgesehen sein.The insulating protection element is particularly preferably designed in the form of a partial ring or ring and is rotatable relative to the longitudinal axis of the electrical connector. The movement of the insulating protection element between the mounting position and the insulating protection position can therefore take place by a rotary movement about the central axis of the connector. In principle, however, an axial displacement can also be provided.
Grundsätzlich kann die Verschiebung des Isolierschutzelements zwischen der Montageposition und der Isolierschutzposition sogar eine rotatorische bzw. radiale als auch eine axiale Komponente aufweisen. Beispielsweise kann für eine derartige Bewegung eine Kulissenführung zur Führung eines Kulissensteins des Isolierschutzelements in dem elektrischen Steckverbinder, beispielsweise in dem Isolierteil oder dem Außenleiterkontaktelement, vorgesehen sein.In principle, the displacement of the insulating protection element between the mounting position and the insulating protection position can even have a rotary or radial as well as an axial component. For example, a link guide for guiding a link block of the insulating protection element in the electrical connector, for example in the insulating part or the outer conductor contact element, can be provided for such a movement.
Die Verwendung eines teilringförmig oder ringförmig ausgebildeten Isolierschutzelements kann sich insbesondere zur Verwendung mit einem elektrischen Steckverbinder mit runder Geometrie gut eignen.The use of a partially ring-shaped or ring-shaped insulating protection element can be particularly well suited for use with an electrical connector with a round geometry.
Es können auch mehrere Isolierschutzelemente (teilringförmig, ringförmig oder plättchenförmig) im Rahmen der Erfindung vorgesehen sein, beispielsweise ein Isolierschutzelement für jedes Innenleiterkontaktelement bzw. für jede Schraube zur Befestigung des Innenleiterkontaktelements. Insbesondere kann dann ein jeweiliges teilringförmiges Isolierschutzelement oder ein jeweiliges (nachfolgend noch beschriebenes) plättchenförmiges Isolierschutzelement für jedes Innenleiterkontaktelement bzw. für jede zur Befestigung der Innenleiterkontaktelemente vorgesehene Schraube vorgesehen sein.Several insulating protection elements (partially ring-shaped, ring-shaped or plate-shaped) can also be provided within the scope of the invention, for example one insulating protection element for each inner conductor contact element or for each screw for fastening the inner conductor contact element. In particular, a respective partially annular insulating protective element or a respective (to be described below) plate-shaped insulating protective element can then be provided for each inner conductor contact element or for each screw provided for fastening the inner conductor contact elements.
Wie vorstehend angedeutet kann in einer Ausgestaltung der Erfindung auch vorgesehen sein, dass das Isolierschutzelement plättchenförmig ausgebildet ist, wobei das Isolierschutzelement bezogen auf die Längsachse des elektrischen Steckverbinders axial zwischen der Montageposition und der Isolierschutzposition verschiebbar ist.As indicated above, in one embodiment of the invention it can also be provided that the insulating protection element is designed in the form of a plate, the insulating protection element based on the The longitudinal axis of the electrical connector is axially displaceable between the mounting position and the insulating protection position.
Ein plättchenförmiges Isolierschutzelement kann sich insbesondere zur Verwendung mit einem elektrischen Steckverbinder mit rechteckiger, insbesondere flacher Geometrie, gut eignen.A plate-shaped insulating protection element can be particularly well suited for use with an electrical plug connector with a rectangular, in particular flat, geometry.
In einer Weiterbildung der Erfindung kann vorgesehen sein, dass das Isolierschutzelement wenigstens ein Führungsmittel aufweist, insbesondere eine radial oder axial abstehende Fahne oder einen Steg, um das Isolierschutzelement in seinem montierten Zustand innerhalb des Außenleiterkontaktelements verschieben zu können.In a further development of the invention it can be provided that the insulating protection element has at least one guide means, in particular a radially or axially protruding lug or a web, in order to be able to move the insulating protection element in its assembled state within the outer conductor contact element.
Somit kann das Isolierschutzelement vorteilhaft von außen verschiebbar sein, beispielsweise mittels des Montagewerkzeugs oder auch eines Fingers des Monteurs bzw. Benutzers des Steckverbinders.Thus, the insulating protection element can advantageously be displaced from the outside, for example by means of the assembly tool or also a finger of the fitter or user of the connector.
Das wenigstens eine Führungsmittel kann außerdem auch in der Art wenigstens einer Nut bzw. wenigstens eines Rücksprungs, beispielsweise auch in der Art von Rillen in der Außenwandung des Isolierschutzelements, ausgeprägt sein.The at least one guide means can also be designed in the form of at least one groove or at least one recess, for example also in the form of grooves in the outer wall of the insulating protection element.
Gegebenenfalls kann auf ein gesondert ausgebildetes Führungsmittel allerdings auch verzichtet werden. Beispielsweise kann das Isolierschutzelement selbst bzw. die Zugangsöffnung des Isolierschutzelements zur Verschiebung des Isolierschutzelements verwendet werden. Beispielsweise kann das zur Befestigung des Innenleiterkontaktelements vorgesehene Montagewerkzeug (oder ein Finger des Monteurs) teilweise in die Zugangsöffnung eingeführt und das Isolierschutzelement anschließend über das Einleiten der Bewegung an der Zugangsöffnung verschoben werden. Insbesondere eine als Langloch oder rechteckige, längliche Ausnehmung ausgebildete Montageausnehmung in dem Außenleiterkontaktelement kann sich für diese Variante gut eignen.If necessary, however, a separately designed guide means can also be dispensed with. For example, the insulating protection element itself or the access opening of the insulating protection element can be used to move the insulating protection element. For example, the assembly tool (or a finger of the fitter) provided for fastening the inner conductor contact element can be partially inserted into the access opening and the insulating protection element can then be displaced by initiating the movement at the access opening. In particular, a mounting recess designed as an elongated hole or a rectangular, elongated recess in the outer conductor contact element can be well suited for this variant.
Gemäß einer Weiterbildung der Erfindung kann vorgesehen sein, dass mehrere Innenleiterkontaktelemente, vorzugsweise zwei Innenleiterkontaktelemente oder noch mehr Innenleiterkontaktelemente, und eine Anzahl korrespondierender Montageausnehmungen sowie Zugangsöffnungen vorgesehen sind.According to a further development of the invention it can be provided that several inner conductor contact elements, preferably two inner conductor contact elements or even more inner conductor contact elements, and a number of corresponding assembly recesses and access openings are provided.
Wie bereits erwähnt eignet sich die Erfindung grundsätzlich zur Verwendung mit einem Steckverbinder mit einer beliebigen Anzahl Innenleiterkontaktelemente. Besonders bevorzugt sind allerdings zwei Innenleiterkontaktelemente vorgesehen, deren jeweilige Befestigung an einem Innenleiter des elektrischen Kabels durch einen jeweiligen Montagezugang durch korrespondierende Montageausnehmungen bzw. Zugangsöffnungen ermöglicht wird.As already mentioned, the invention is basically suitable for use with a plug connector with any number of inner conductor contact elements. Particularly preferably, however, two inner conductor contact elements are provided, the respective fastening of which to an inner conductor of the electrical cable is made possible by a respective assembly access through corresponding assembly recesses or access openings.
Die Erfindung betrifft auch ein Isolierschutzelement für einen elektrischen Steckverbinder, wobei das Isolierschutzelement zwischen (wenigstens) einem Innenleiterkontaktelement und einem Außenleiterkontaktelement eines elektrischen Steckverbinders angeordnet ist. Das Isolierschutzelement ist zwischen einer Montageposition und einer Isolierschutzposition verschiebbar. In der Montageposition gibt das Isolierschutzelement (wenigstens) einen Montagezugang durch eine in dem Außenleiterkontaktelement bereitgestellte (wenigstens eine) Montageausnehmung zur Befestigung des Innenleiterkontaktelements an einem Innenleiter eines elektrischen Kabels frei. In der Isolierschutzposition versperrt das Isolierschutzelement den Montagezugang.The invention also relates to an insulating protection element for an electrical connector, the insulating protection element being arranged between (at least) one inner conductor contact element and an outer conductor contact element of an electrical connector. The insulating protection element can be displaced between a mounting position and an insulating protection position. In the assembly position, the insulating protection element releases (at least) one assembly access through a (at least one) assembly recess provided in the outer conductor contact element for fastening the inner conductor contact element to an inner conductor of an electrical cable. In the insulation protection position, the insulation protection element blocks the assembly access.
Erfindungsgemäß kann ein unverlierbares elektrisch isolierendes Isolierschutzelement zum Schutz vor einem Kurzschluss zwischen dem Innenleiter oder den Innenleitern und einem Außenleiterschirm eines elektrischen Kabels bereitgestellt werden.According to the invention, a captive electrically insulating protective insulating element can be provided for protection against a short circuit between the inner conductor or the inner conductors and an outer conductor shield of an electrical cable.
In der Isolierschutzposition können insbesondere zur Befestigung des Innenleiterkontaktelements an dem Innenleiter verwendete leitfähige Schrauben komplett elektrisch isoliert sein, wodurch keine elektrische Verbindung zwischen dem Außenleiterschirm des Kabels und dem Innenleiterkontaktelement entstehen kann.In the insulation protection position, conductive screws used in particular for fastening the inner conductor contact element to the inner conductor can be completely electrically insulated, so that no electrical connection can arise between the outer conductor shield of the cable and the inner conductor contact element.
Das Isolierschutzelement kann auch zum dauerhaften Schutz vor dem Verlust von Klemmschrauben bzw. Schrauben zur Befestigung von Innenleiterkontaktelementen an Innenleitern des Kabels dienen.The insulating protection element can also be used for permanent protection against the loss of clamping screws or screws for fastening inner conductor contact elements to inner conductors of the cable.
Das erfindungsgemäße Isolierschutzelement ist besonders kostenoptimiert und kann im Rahmen einer Montage des elektrischen Steckverbinders höchst installationsfreundlich und insbesondere auch für eine Massenfertigung von Steckverbindern geeignet sein.The insulating protection element according to the invention is particularly cost-optimized and can be extremely easy to install in the context of an assembly of the electrical plug connector and in particular also suitable for mass production of plug connectors.
Das Isolierschutzelement kann optional auch eine Montageverhinderung aufweisen, beispielsweise eine sich axial in Richtung des Kabels erstreckende Nase, um eine Endmontage des elektrischen Steckverbinders, insbesondere betreffend das Aufschrauben einer Abschlussmutter, einer Abschlusshülse oder einer sonstigen Steckverbinderkomponente, formschlüssig zu blockieren, wenn sich das Isolierschutzelement nicht in der Isolierschutzposition befindet.The insulating protection element can optionally also have an assembly prevention, for example a nose extending axially in the direction of the cable, in order to positively block final assembly of the electrical connector, in particular with regard to the screwing on of a locking nut, a locking sleeve or other connector component, if the insulating protection element is not is in the insulation protection position.
Die Erfindung betrifft außerdem ein Verfahren zur Montage eines elektrischen Steckverbinders, der (wenigstens) ein Innenleiterkontaktelement, ein Außenleiterkontaktelement und ein zwischen dem Außenleiterkontaktelement und dem Innenleiterkontaktelement angeordnetes Isolierschutzelement aufweist. Im Rahmen des erfindungsgemäßen Verfahrens sind zumindest die folgenden Verfahrensschritte vorgesehen:
- a) Verschieben des Isolierschutzelements in eine Montageposition, in der (wenigstens) ein Montagezugang zu dem Innenleiterkontaktelement durch (wenigstens) eine in dem Außenleiterkontaktelement bereitgestellte Montageausnehmung freigegeben ist;
- b) Befestigen des Innenleiterkontaktelements an einem Innenleiter eines elektrischen Kabels durch den freigegebenen Montagezugang; und
- c) Verschieben des Isolierschutzelements in eine Isolierschutzposition, in der der Montagezugang zu dem Innenleiterkontaktelement durch das Isolierschutzelement versperrt wird.
- a) moving the insulating protection element into an assembly position in which (at least) one assembly access to the inner conductor contact element is released through (at least) one assembly recess provided in the outer conductor contact element;
- b) fastening the inner conductor contact element to an inner conductor of an electrical cable through the released assembly access; and
- c) Moving the insulating protection element into an insulating protection position in which the assembly access to the inner conductor contact element is blocked by the insulating protection element.
Der vorstehend genannte erste Verfahrensschritt (Verschieben des Isolierschutzelements in die Montageposition) kann insbesondere bereits im Rahmen einer Vormontage des Isolierschutzelements implizit erfolgen.The above-mentioned first method step (moving the insulating protection element into the assembly position) can in particular already take place implicitly in the context of a pre-assembly of the insulating protection element.
Der Verfahrensschritt des Befestigens des oder der Innenleiterkontaktelemente an korrespondierenden Innenleitern des Kabels kann vorzugsweise durch Verpressen bzw. Verklemmen des Innenleiters in einem zylindrischen Innenleiterkontaktelement mittels einer Schraube erfolgen.The method step of fastening the inner conductor contact element or elements to corresponding inner conductors of the cable can preferably be carried out by pressing or clamping the inner conductor in a cylindrical inner conductor contact element by means of a screw.
Zur Befestigung des Innenleiterkontaktelements kann ein Montagewerkzeug, beispielsweise ein Schraubendreher, durch den Montagezugang hindurchgeführt werden, wenn sich das Isolierschutzelement in der Montageposition befindet.To fasten the inner conductor contact element, an assembly tool, for example a screwdriver, can be passed through the assembly access when the insulating protection element is in the assembly position.
Das Isolierschutzelement kann insbesondere durch eine Drehung zwischen der Montageposition und der Isolierschutzposition verschoben werden.The insulating protection element can be moved between the mounting position and the insulating protection position in particular by rotating it.
In vorteilhafter Weise kann sichergestellt werden, dass insbesondere Schraubenköpfe zur Befestigung der Innenleiterkontaktelemente nicht ungewollt sichtbar werden und dadurch die Möglichkeit eines Kurzschlusses besteht.In an advantageous manner, it can be ensured that in particular screw heads for fastening the inner conductor contact elements are not unintentionally visible and there is thus the possibility of a short circuit.
Es kann vorgesehen sein, dass das Isolierschutzelement in der Montageposition und/oder (insbesondere) in der Isolierschutzposition mit einer Steckverbinderkomponente, beispielsweise einer inneren Gehäuseschale oder einem Isolierteil, verrastet. Insbesondere wenn eine Verrastung in der Isolierschutzposition vorgesehen ist, kann das Isolierschutzelement nicht wieder ungewollt in seine Montageposition zurückbewegt oder überdreht werden. Somit kann sichergestellt sein, dass sich das Isolierschutzelement nicht durch Vibrationen oder Erschütterungen bei Montage, Transport und/oder Verwendung des Steckverbinders selbstständig zurückbewegt. Erst mit einem bewussten, erhöhten Kraftaufwand kann das Isolierschutzelement gegebenenfalls wieder in die Montageposition zurückgebracht werden.It can be provided that the insulating protection element latches in the assembly position and / or (in particular) in the insulating protection position with a plug connector component, for example an inner housing shell or an insulating part. In particular, if latching is provided in the insulation protection position, the insulation protection element cannot be unintentionally moved back into its assembly position or turned over. It can thus be ensured that the insulating protection element does not move back automatically due to vibrations or shocks during assembly, transport and / or use of the connector. Only with a conscious, increased expenditure of force can the insulating protection element be brought back into the assembly position if necessary.
Da das erfindungsgemäße Isolierschutzelement optional in dem Außenleiterkontaktelement, vorzugsweise innerhalb einer Nut des Außenleiterkontaktelements, eines Isolierteils oder einer zwischen dem Außenleiterkontaktelement und dem Isolierteil gebildeten Nut, vormontiert werden kann, kann dieses von dem Installateur bei der Kabelmontage nicht vergessen werden.Since the insulating protection element according to the invention is optionally in the outer conductor contact element, preferably within a groove of the outer conductor contact element, an insulating part or one between the outer conductor contact element and the groove formed in the insulating part, can be preassembled, this cannot be forgotten by the installer during cable installation.
Sofern der Durchmesser der Zugangsöffnung des Isolierschutzelements kleiner ist als der Durchmesser eines Schraubenkopfes einer verwendeten Schraube kann das Isolierschutzelement zudem jederzeit das Verlieren der Klemmschrauben verhindern - selbst in der Montageposition. Die verwendeten Schrauben können somit selbst in einem losen Auslieferzustand innerhalb des Isolierschutzelements nicht verloren werden.If the diameter of the access opening of the insulating protection element is smaller than the diameter of a screw head of a screw used, the insulating protection element can also prevent the clamping screws from being lost at any time - even in the assembly position. The screws used cannot be lost within the insulating protection element even in a loose delivery condition.
In vorteilhafter Weise können zur Montage der Innenleiterkontaktelemente an den Innenleitern des Kabels herkömmliche Schraubendreher verwendet werden. Spezialwerkzeuge sind damit nicht unbedingt erforderlich.Conventional screwdrivers can advantageously be used to mount the inner conductor contact elements on the inner conductors of the cable. Special tools are therefore not absolutely necessary.
Die Erfindung eignet sich besonders zur Verwendung mit Rundsteckverbindern und ganz besonders für Rundsteckverbinder, bei denen ein oder mehrere Innenleiterkontaktelemente mit Schrauben an Innenleiter eines elektrischen Kabels geklemmt und von einem Außenleiterschirm des Kabels getrennt sein müssen.The invention is particularly suitable for use with circular connectors and especially for circular connectors in which one or more inner conductor contact elements must be clamped to the inner conductor of an electrical cable with screws and must be separated from an outer conductor shield of the cable.
Die Erfindung betrifft auch eine vorteilhafte Verwendung eines elektrischen Steckverbinders gemäß den vorstehenden und nachfolgenden Ausführungen zur Stromversorgung von aktiven Mobilfunkantennen.The invention also relates to an advantageous use of an electrical plug connector according to the statements above and below for supplying power to active mobile radio antennas.
Für die Stromversorgung von aktiven Mobilfunkantennen werden beispielsweise vergleichsweise hohe Ströme benötigt (z. B. 50 Ampere bei 60 Volt). Der Leitungsquerschnitt der Innenleiter der an einem Mobilfunkmast verwendeten Übertragungskabel ist entsprechend groß ausgelegt. In einem korrespondierenden Leistungssteckverbinder können die Innenleiter des Kabels deshalb vorzugsweise mittels einer Verschraubung befestigt werden. In der Regel wird für jeden Innenleiter jeweils eine metallische Schraube verwendet, die radial durch die Montageausnehmung des Außenleiterkontaktelements zugeführt und in eine dazu fluchtende, in dem Isolierteil bzw. in dem Innenleiterkontaktelement vorgesehene Gewindebohrung eingeschraubt wird. Über die Außenfläche des Außenleiterkontaktelements kann schließlich ein Masseschirm bzw. ein Außenleiterschirm des elektrischen Kabels geführt werden.For example, comparatively high currents are required to supply power to active cell phone antennas (e.g. 50 amps at 60 volts). The cross-section of the inner conductors of the transmission cables used on a cell phone tower is designed to be correspondingly large. In a corresponding power connector, the inner conductors of the cable can therefore preferably be fastened by means of a screw connection. As a rule, a metallic screw is used for each inner conductor, which is fed radially through the mounting recess of the outer conductor contact element and screwed into an aligned threaded hole provided in the insulating part or in the inner conductor contact element. Finally, a ground shield or an outer conductor shield of the electrical cable can be passed over the outer surface of the outer conductor contact element.
Durch das erfindungsgemäße Isolierschutzelement kann dann ein unerwünschter Kurzschluss zwischen einem Innenleiter und dem Außenleiterschirm des Kabels durch erfindungsgemäßes Verschieben des Isolierschutzelements in die Isolierschutzposition zuverlässig verhindert werden.The insulating protection element according to the invention can then reliably prevent an undesired short circuit between an inner conductor and the outer conductor shield of the cable by moving the insulating protection element into the insulating protection position according to the invention.
Ferner betrifft die Erfindung eine elektrische Steckverbindung aus einem elektrischen Steckverbinder gemäß den vorstehenden und nachfolgenden Ausführungen sowie einen mit dem elektrischen Steckverbinder zusammensteckbaren elektrischen Gegensteckverbinder.The invention also relates to an electrical plug connection made up of an electrical plug connector according to the above and following statements and to an electrical mating connector that can be plugged together with the electrical plug connector.
Schließlich betrifft die Erfindung außerdem ein Fahrzeug, aufweisend wenigstens einen elektrischen Steckverbinder gemäß den vorstehenden und nachfolgenden Ausführungen oder eine Mobilfunkantenne mit einem elektrischen Steckverbinder gemäß den vorstehenden und nachfolgenden Ausführungen.Finally, the invention also relates to a vehicle, having at least one electrical connector according to the preceding and following statements, or a mobile radio antenna with an electrical connector according to the preceding and following statements.
Die Erfindung betrifft außerdem eine Montageverhinderung für ein Isolierschutzelement. Das Isolierschutzelement kann vorzugsweise gemäß den vorstehend und nachfolgenden Angaben ausgebildet sein. Grundsätzlich kann sich die Montageverhinderung allerdings für beliebige Isolierschutzelemente eignen. Die Montageverhinderung kann ausgebildet sein, um eine Endmontage eines elektrischen Steckverbinders formschlüssig zu blockieren, wenn sich das Isolierschutzelement nicht in einer Isolierschutzposition befindet (insbesondere einer vorstehend und nachfolgend beschriebenen Isolierschutzposition). Die Montageverhinderung kann außerdem ausgebildet sein, um ein Einstecken eines Gegensteckverbinders in den Steckverbinder formschlüssig zu blockieren, wenn sich das Isolierschutzelement nicht in einer Isolierschutzposition befindet (insbesondere einer vorstehend und nachfolgend beschriebenen Isolierschutzposition). Die Montageverhinderung kann vorzugsweise eine sich axial und/oder radial in Richtung auf das Kabel erstreckende Nase aufweisen.The invention also relates to an assembly prevention device for an insulating protection element. The insulating protection element can preferably be designed in accordance with the information given above and below. In principle, however, the assembly prevention can be suitable for any insulating protection elements. The assembly prevention can be designed to block final assembly of an electrical connector in a form-fitting manner if the insulating protection element is not in an insulating protection position (in particular an insulating protection position described above and below). The assembly prevention can also be designed to block a mating connector from being plugged into the connector in a form-fitting manner when the insulating protection element is not in an insulating protection position (in particular an insulating protection position described above and below). The assembly prevention can preferably have a nose extending axially and / or radially in the direction of the cable.
Merkmale, die im Zusammenhang mit dem erfindungsgemäßen elektrischen Steckverbinder beschrieben wurden, sind selbstverständlich auch für das Isolierschutzelement, die elektrische Steckverbindung, die erfindungsgemäße Verwendung, das Fahrzeug, die Mobilfunkantenne, das Montageverfahren und die Montageverhinderung vorteilhaft umsetzbar - und umgekehrt. Ferner können Vorteile, die bereits im Zusammenhang mit dem erfindungsgemäßen elektrischen Steckverbinder genannt wurden, auch auf das Isolierschutzelement, die elektrische Steckverbindung, die erfindungsgemäße Verwendung, das Fahrzeug, die Mobilfunkantenne, das Montageverfahren und die Montageverhinderung bezogen verstanden werden - und umgekehrt.Features that have been described in connection with the electrical connector according to the invention can of course also be implemented advantageously for the insulating protection element, the electrical plug connection, the use according to the invention, the vehicle, the mobile radio antenna, the assembly method and assembly prevention - and vice versa. Furthermore, advantages that have already been mentioned in connection with the electrical connector according to the invention can also be understood in relation to the insulating protection element, the electrical plug connection, the use according to the invention, the vehicle, the mobile radio antenna, the assembly method and assembly prevention - and vice versa.
Ergänzend sei darauf hingewiesen, dass Begriffe wie "umfassend", "aufweisend" oder "mit" keine anderen Merkmale oder Schritte ausschließen. Ferner schließen Begriffe wie "ein" oder "das", die auf eine Einzahl von Schritten oder Merkmalen hinweisen, keine Mehrzahl von Merkmalen oder Schritten aus - und umgekehrt.In addition, it should be pointed out that terms such as “comprising”, “having” or “with” do not exclude any other features or steps. Furthermore, terms such as “a” or “the” which refer to a single number of steps or features do not exclude a plurality of features or steps - and vice versa.
In einer puristischen Ausführungsform der Erfindung kann allerdings auch vorgesehen sein, dass die in der Erfindung mit den Begriffen "umfassend", "aufweisend" oder "mit" eingeführten Merkmale abschließend aufgezählt sind. Dementsprechend kann eine oder können mehrere Aufzählungen im Rahmen der Erfindung als abgeschlossen betrachtet werden, beispielsweise jeweils für jeden Anspruch betrachtet. Die Erfindung kann beispielswiese ausschließlich aus den in Anspruch 1 genannten Merkmalen bestehen.In a puristic embodiment of the invention, however, it can also be provided that the features introduced in the invention with the terms “comprising”, “having” or “with” are conclusively enumerated. Accordingly, one or more lists can be regarded as complete within the scope of the invention, for example considered for each claim. The invention can consist exclusively of the features mentioned in
Ferner sei betont, dass die vorliegend beschriebenen Werte und Parameter Abweichungen oder Schwankungen von ±10% oder weniger, vorzugsweise ±5% oder weniger, weiter bevorzugt ±1% oder weniger, und ganz besonders bevorzugt ±0,1% oder weniger des jeweils benannten Wertes bzw. Parameters mit einschließen, sofern diese Abweichungen bei der Umsetzung der Erfindung in der Praxis nicht ausgeschlossen sind. Die Angabe von Bereichen durch Anfangs- und Endwerte umfasst auch all diejenigen Werte und Bruchteile, die von dem jeweils benannten Bereich eingeschlossen sind, insbesondere die Anfangs- und Endwerte und einen jeweiligen Mittelwert.It should also be emphasized that the values and parameters described here have deviations or fluctuations of ± 10% or less, preferably ± 5% or less, more preferably ± 1% or less, and very particularly preferably include ± 0.1% or less of the specified value or parameter, provided that these deviations are not excluded when implementing the invention in practice. The specification of ranges by start and end values also includes all those values and fractions that are included in the respective named range, in particular the start and end values and a respective mean value.
Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnung näher beschrieben.Exemplary embodiments of the invention are described in more detail below with reference to the drawing.
Die Figuren zeigen jeweils bevorzugte Ausführungsbeispiele, in denen einzelne Merkmale der vorliegenden Erfindung in Kombination miteinander dargestellt sind. Merkmale eines Ausführungsbeispiels sind auch losgelöst von den anderen Merkmalen des gleichen Ausführungsbeispiels umsetzbar und können dementsprechend von einem Fachmann ohne weiteres zu weiteren sinnvollen Kombinationen und Unterkombinationen mit Merkmalen anderer Ausführungsbeispiele verbunden werden.The figures each show preferred exemplary embodiments in which individual features of the present invention are shown in combination with one another. Features of an exemplary embodiment can also be implemented separately from the other features of the same exemplary embodiment and can accordingly be easily combined by a person skilled in the art to form further useful combinations and sub-combinations with features of other exemplary embodiments.
In den Figuren sind funktionsgleiche Elemente mit denselben Bezugszeichen versehen.In the figures, functionally identical elements are provided with the same reference symbols.
Es zeigen schematisch:
Figur 1- einen erfindungsgemäßen elektrischen Steckverbinder und ein elektrisches Kabel in perspektivischer Darstellung;
Figur 2- einen Teilschnitt des elektrischen Steckverbinders und des elektrischen Kabels der
Figur 1 ; Figur 3- eine weitere Schnittdarstellung des elektrischen Steckverbinders der
Figur 1 bei ausgeblendetem Kabel; Figur 4- ein erfindungsgemäßes, ringförmiges Isolierschutzelement in einer perspektivischen Darstellung;
Figur 5- einen Querschnitt durch den elektrischen Steckverbinder der
Figur 1 zur Verdeutlichung der Befestigung der Innenleiterkontaktelemente mittels eines durch den Montagezugang eingeführten Montagewerkzeugs; Figur 6- einen Ausschnitt eines elektrischen Steckverbinders gemäß einem zweiten Ausführungsbeispiel mit einem ringförmigen Isolierschutzelement in der Montageposition mit einer aus dem Außenleiterkontaktelement axial herausragenden Fahne zum Einleiten der Verschiebung;
Figur 7- den elektrischen Steckverbinder der
Figur 6 mit ausgeblendetem Außenleiterkontaktelement; Figur 8- den elektrischen Steckverbinder der
Figur 6 mit ausgeblendetem Außenleiterkontaktelement in einer um 90° verdrehten Ansicht zur Darstellung von Rastmitteln des Isolierschutzelements; Figur 9- den elektrischen Steckverbinder der
Figur 6 mit dem Isolierschutzelement in der Isolierschutzposition; Figur 10- den elektrischen Steckverbinder der
Figur 6 mit dem Isolierschutzelement in der Isolierschutzposition und ausgeblendetem Außenleiterkontaktelement; Figur 11- den elektrischen Steckverbinder der
Figur 6 mit dem Isolierschutzelement in der Isolierschutzposition, ausgeblendetem Außenleiterkontaktelement und einer um 90° verdrehten Ansicht zur Darstellung von Rastmitteln des Isolierschutzelements; Figur 12- ein erfindungsgemäßes, teilringförmiges Isolierschutzelement in einer perspektivischen Darstellung;
Figur 13- eine vordere Gehäusebaugruppe eines elektrischen Steckverbinders in perspektivischer Darstellung mit dem teilringförmigen Isolierschutzelement der
Figur 12 in der Montageposition; Figur 14- die vordere Gehäusebaugruppe des elektrischen Steckverbinder der
Figur 13 mit dem teilringförmigen Isolierschutzelement derFigur 12 in der Isolierschutzposition; Figur 15- einen ersten Verfahrensschritt eines Montageverfahrens für einen erfindungsgemäßen Steckverbinder;
Figur 16- einen zweiten Verfahrensschritt eines Montageverfahrens für einen erfindungsgemäßen Steckverbinder;
Figur 17- einen dritten Verfahrensschritt eines Montageverfahrens für einen erfindungsgemäßen Steckverbinder;
Figur 18- einen vierten Verfahrensschritt eines Montageverfahrens für einen erfindungsgemäßen Steckverbinder;
Figur 19- einen fünften Verfahrensschritt eines Montageverfahrens für einen erfindungsgemäßen Steckverbinder; und
Figur 20- einen sechsten Verfahrensschritt eines Montageverfahrens für einen erfindungsgemäßen Steckverbinder.
- Figure 1
- an electrical connector according to the invention and an electrical cable in a perspective view;
- Figure 2
- a partial section of the electrical connector and the electrical cable of
Figure 1 ; - Figure 3
- a further sectional view of the electrical connector of the
Figure 1 with hidden cable; - Figure 4
- an inventive, annular insulating protection element in a perspective view;
- Figure 5
- a cross section through the electrical connector of
Figure 1 to illustrate the attachment of the inner conductor contact elements by means of an assembly tool introduced through the assembly access; - Figure 6
- a section of an electrical connector according to a second embodiment with an annular insulating protection element in the assembly position with a flag axially protruding from the outer conductor contact element to initiate the displacement;
- Figure 7
- the electrical connector of the
Figure 6 with hidden outer conductor contact element; - Figure 8
- the electrical connector of the
Figure 6 with hidden outer conductor contact element in a view rotated by 90 ° to show latching means of the insulating protection element; - Figure 9
- the electrical connector of the
Figure 6 with the insulation protection element in the insulation protection position; - Figure 10
- the electrical connector of the
Figure 6 with the insulating protection element in the insulating protection position and hidden outer conductor contact element; - Figure 11
- the electrical connector of the
Figure 6 with the insulating protection element in the insulating protection position, hidden outer conductor contact element and a view rotated by 90 ° to show latching means of the insulating protection element; - Figure 12
- an inventive, partially annular insulating protection element in a perspective view;
- Figure 13
- a front housing assembly of an electrical connector in a perspective view with the partially annular insulating protection element of
Figure 12 in the mounting position; - Figure 14
- the front housing assembly of the electrical connector of the
Figure 13 with the partially annular insulating protection element ofFigure 12 in the insulation protection position; - Figure 15
- a first method step of an assembly method for a connector according to the invention;
- Figure 16
- a second method step of an assembly method for a connector according to the invention;
- Figure 17
- a third method step of an assembly method for a connector according to the invention;
- Figure 18
- a fourth method step of an assembly method for a connector according to the invention;
- Figure 19
- a fifth method step of an assembly method for a connector according to the invention; and
- Figure 20
- a sixth method step of an assembly method for a connector according to the invention.
Die Erfindung ist lediglich beispielhaft anhand der in den Figuren dargestellten elektrischen Steckverbinder 1 beschrieben. Grundsätzlich kann ein erfindungsgemäßer elektrischer Steckverbinder einen beliebigen Aufbau aufweisen, beispielsweise einen koaxialen Aufbau, einen triaxialen Aufbau oder einen sonstigen Aufbau. Im Ausführungsbeispiel weist der elektrische Steckverbinder 1 beispielhaft eine runde Geometrie auf. Grundsätzlich kann sich die Erfindung aber auch zur Verwendung mit einem rechteckigen Steckverbinder eignen, beispielsweise einem Flachsteckverbinder.The invention is described merely by way of example with reference to the
Die
Der elektrische Steckverbinder 1 weist zwei Innenleiterkontaktelemente 3 auf (vgl. insbesondere
Der dargestellte elektrische Steckverbinder 1 ist beispielhaft zur Übertragung hoher Ströme ausgebildet. Hierzu können die Innenleiter 4 des Kabels 2 besonders vorteilhaft mittels einer Schraube 5 (vgl. u. a. Figur 3) an den Innenleiterkontaktelementen 3 befestigt bzw. mit diesen verklemmt werden. Die Schrauben 5 können hierzu besonders vorteilhaft von gegenüberliegenden Seiten des Steckverbinders 1 montierbar sein, wie in den Ausführungsbeispielen dargestellt. Beispielsweise kann eine erste Schraube 5 zur Verbindung eines ersten Innenleiters 4 mit einem ersten Innenleiterkontaktelement 3, ausgehend von einer ersten Seite des Steckverbinders 1 und eine zweite Schraube 5 zur Montage eines zweiten Innenleiters 4 an einem zweiten Innenleiterkontaktelement 3, ausgehend von einer der ersten Seite gegenüberliegenden Seite des Steckverbinders 1, vorgesehen sein. Grundsätzlich kann allerdings eine Montage auch von derselben Seite des Steckverbinders 1 oder ausgehend von einer beliebigen Richtung vorgesehen sein.The illustrated
Der elektrische Steckverbinder 1 weist ferner ein Außenleiterkontaktelement 6 auf, das zur elektromagnetischen Abschirmung um die Innenleiterkontaktelemente 3 herum verläuft. Das Außenleiterkontaktelement 6 wird mit einem Außenleiterschirm, insbesondere einem Außenleiterschirmgeflecht 7 des elektrischen Kabels 2 verbunden (vgl. u. a.
Um zu verhindern, dass abstehende Einzeldrähte des Außenleiterschirmgeflechts 7 unbeabsichtigt Kurzschlüsse mit einem der Innenleiterkontaktelemente 3 herstellen, ist zwischen dem Außenleiterkontaktelement 6 und den Innenleiterkontaktelementen 3 ein Isolierschutzelement 9 angeordnet. Das Isolierschutzelement 9 der in den
Für die Bereitstellung eines Montagezugangs M (beispielhaft in
Erfindungsgemäß ist das Isolierschutzelement 9 zwischen einer Montageposition (vgl. z. B. die Ausrichtung in
Das Isolierschutzelement 9 weist hierzu vorzugsweise wenigstens eine Zugangsöffnung 11 auf. In den Ausführungsbeispielen sind für jedes Innenleiterkontaktelement 3 bzw. für jeden Montagezugang M eine separate Zugangsöffnung 11 und eine separate Montageausnehmung 10 vorgesehen. In der Montageposition ist die Zugangsöffnung 11 derart zu der Montageausnehmung 10 ausgerichtet, dass der Montagezugang M zu dem jeweiligen Innenleiterkontaktelement 3 durch die Montageausnehmung 10 und die Zugangsöffnung 11 freigegeben ist. In der Isolierschutzposition ist die Zugangsöffnung 11 hingegen entsprechend verschoben und der Montagezugang M dadurch versperrt.For this purpose, the insulating
Optional weist der elektrische Steckverbinder 1 ein Isolierteil 12 zwischen den Innenleiterkontaktelementen 3 und dem Außenleiterkontaktelement 6 auf. Zwischen dem Isolierteil 12 und dem Außenleiterkontaktelement 6 ist vorliegend das Isolierschutzelement 9 geführt, wobei das Isolierschutzelement 9 grundsätzlich auch zwischen dem Isolierteil 12 und den Innenleiterkontaktelementen 3 geführt sein kann. Um den Montagezugang M im Falle des sich in der Montageposition befindlichen Isolierschutzelements 9 zu gewährleisten weist das Isolierteil 12 den Montageausnehmungen 10 korrespondierende Montageöffnungen 13 (vgl.
In den in den
Die Zugangsöffnung 11 des Isolierschutzelements 9 ist in den Ausführungsbeispielen beispielhaft als Bohrung ausgebildet. Die Zugangsöffnung 11 kann allerdings auch als Langloch oder als sonstige Ausnehmung ausgebildet sein, beispielsweise auch als rechteckige Ausnehmung. Dies gilt analog auch für die Montageausnehmung 10 des Außenleiterkontaktelements 6 und die Montageöffnung 13 des Isolierteils 12.The access opening 11 of the insulating
In
Zur Bereitstellung einer Verliersicherung der Schrauben 5 kann vorgesehen sein, dass der Durchmesser der Schraubenköpfe der Schrauben 5 größer ist als der Durchmesser der Zugangsöffnung 11 des Isolierschutzelements 9. Hierdurch kann zwar das Montagewerkzeug 15 durch die Zugangsöffnung 11 hindurchgeführt werden, die Schraube 5 jedoch nicht verloren gehen, selbst wenn diese nur lose in einem Auslieferungszustand innerhalb des Isolierschutzelements 9 vorliegt.To provide protection against loss of the
Zur weiteren Verdeutlichung der Funktionsweise des Isolierschutzelements 9 und des elektrischen Steckverbinders 1 dienen die
In
In der in den
In den Figuren ist ferner eine Möglichkeit dargestellt, das Isolierschutzelement 9 in der Montageposition und in der Isolierschutzposition zu verrasten. Dies ist besonders gut in den
Grundsätzlich kann eine beliebige Anzahl Rastmittel 17 und Rastelemente 18 vorgesehen sein, beispielsweise auch nur ein Rastmittel 17 und ein korrespondierendes Rastelement 18; im Ausführungsbeispiel sind beispielhaft zwei Rastmittel 17 und zwei Rastelemente 18 auf gegenüberliegenden Seiten des Isolierschutzelements 9 bzw. des Isolierteils 12 dargestellt.In principle, any number of locking means 17 and locking
Im Ausführungsbeispiel ist eine Verrastung in der Montageposition als auch in der Isolierschutzposition vorgesehen. Grundsätzlich kann allerdings auch eine Verrastung lediglich in der Montageposition oder in der Isolierschutzposition vorgesehen sein. Besonders vorteilhaft kann zumindest eine Verrastung in der Isolierschutzposition sein, da dann das Isolierschutzelement 9 nicht unbeabsichtigt (z. B. während der späteren Verwendung des Steckverbinders 1) wieder in die "unsichere" Montageposition zurückbewegt werden kann.In the exemplary embodiment, latching is provided in the assembly position as well as in the insulation protection position. In principle, however, locking can only be provided in the assembly position or in the insulation protection position. At least one latching in the insulating protection position can be particularly advantageous, since then the insulating
Um die Verrastung zumindest mit erhöhtem Kraftaufwand lösbar auszugestalten, ist das Rastmittel 17 des Isolierschutzelements 9 gemäß den
Eine Verrastung des Isolierschutzelements 9 muss nicht unbedingt an dem (ohnehin optionalen) Isolierteil 12 erfolgen. Eine Verrastung des Isolierschutzelements 9 kann auch an dem Außenleiterkontaktelement 6 oder sogar an einem der Innenleiterkontaktelemente 3 vorgesehen sein. Grundsätzlich kann eine Verrastung mit einer beliebigen Steckverbinderkomponente des Steckverbinders 1 vorgesehen sein.A latching of the insulating
Das Isolierschutzelement 9 kann auch lediglich teilringförmig ausgebildet sein, wobei in diesem Fall besonders vorteilhaft ein Isolierschutzelement 9 pro Innenleiterkontaktelement 3 vorgesehen sein kann. Ein beispielhaftes, teilringförmig ausgebildetes Isolierschutzelement 9 ist in
Das teilringförmige Isolierschutzelement 9 der
In
Für das Einleiten der axialen Verschiebung des Isolierschutzelements 9 kann das in den
Insbesondere im Falle einer axialen Verschiebung des Isolierschutzelements 9 kann das Isolierschutzelement 9 auch plättchenförmig ausgebildet sein (in den Ausführungsbeispielen nicht weiter dargestellt).In particular in the case of an axial displacement of the insulating
Die
Zunächst kann vorgesehen sein, das elektrische Kabel 2 zur Kontaktierung mit dem Steckverbinder 1 vorzubereiten bzw. vorzukonfektionieren. Hierzu kann das elektrische Kabel 2 an seinem zu bearbeitenden Ende von einem Kabelmantel 20 befreit werden. Anschließend kann das Außenleiterschirmgeflecht 7 nach hinten über den verbliebenen Kabelmantel 20 zurückgeschlagen werden. Eine die Innenleiter 4 gemeinsam in sich führende Füllschicht (in den Figuren nicht dargestellt) und eine gegebenenfalls vorhandene Kabelfolie (ebenfalls nicht dargestellt) kann anschließend entfernt werden, um die Innenleiter 4 zu separieren und für die weitere Bearbeitung zugänglich zu machen. Anschließend können die einzelnen Innenleiter 4 an einem vorderen Abschnitt von ihrer Isolierung 21 befreit und die Adern der Innenleiter 4 freigelegt werden. Wiederum anschließend können Adernhülsen 22 mit den freigelegten Adern der Innenleiter 4 verbunden, beispielsweise vercrimpt oder verlötet werden. Dieser Zustand des Kabels ist in
In
In einem nachfolgenden Verfahrensschritt gemäß
Anschließend kann in einem nachfolgenden Verfahrensschritt gemäß
In einem nachfolgenden Verfahrensschritt gemäß
Anschließend kann in einem weiteren Verfahrensschritt, wie in
Gegebenenfalls kann vorgesehen sein, dass das Isolierschutzelement 9 eine Montageverhinderung aufweist (nicht dargestellt), die eine Montage des Außengehäuses 8 des elektrischen Steckverbinders 1 erst dann zulässt, wenn sich das Isolierschutzelement 9 in seiner Isolierschutzposition befindet. Beispielsweise kann hierfür ein axial in Richtung auf das Kabel 2 abstehender Steg vorgesehen sein, der in der Montageposition des Isolierschutzelements 9 ein Aufbringen des Außengehäuses 8 des Steckverbinders 1 auf das Außenleiterkontaktelement 6 formschlüssig blockiert und den Verschiebeweg für das Außengehäuse 8 auf das Außenleiterkontaktelement 6 lediglich in der Isolierschutzposition freigibt.If necessary, it can be provided that the insulating
In
Claims (15)
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) zwischen einer Montageposition, in der der Montagezugang (M) durch die Montageausnehmung (10) zu dem Innenleiterkontaktelement (3) freigegeben ist, und einer Isolierschutzposition, in der der Montagezugang (M) zu dem Innenleiterkontaktelement (3) durch das Isolierschutzelement (9) versperrt ist, verschiebbar ist.Electrical connector (1), comprising an inner conductor contact element (3), an outer conductor contact element (6) and an insulating protection element (9) arranged between the inner conductor contact element (3) and the outer conductor contact element (6), the outer conductor contact element (6) having a mounting recess (10) for the provision of an assembly access (M) for fastening the inner conductor contact element (3) to an inner conductor (4) of an electrical cable (2),
characterized in that
the insulating protection element (9) between an assembly position in which the assembly access (M) through the assembly recess (10) to the inner conductor contact element (3) is released, and an insulating protection position in which the assembly access (M) to the inner conductor contact element (3) through the Isolation protection element (9) is blocked, is displaceable.
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) eine Zugangsöffnung (11) aufweist, die in der Montageposition derart zu der Montageausnehmung (10) ausgerichtet ist, dass der Montagezugang (M) zu dem Innenleiterkontaktelement (3) durch die Montageausnehmung (10) und die Zugangsöffnung (11) freigegeben ist.Electrical connector (1) according to claim 1,
characterized in that
the insulating protection element (9) has an access opening (11) which, in the assembly position, is aligned with the assembly recess (10) so that the assembly access (M) to the inner conductor contact element (3) through the assembly recess (10) and the access opening (11) is released.
dadurch gekennzeichnet, dass
ein Isolierteil (12) zwischen dem Innenleiterkontaktelement (3) und dem Außenleiterkontaktelement (6) angeordnet ist, das eine Montageöffnung (13) aufweist, die gemeinsam mit der Montageausnehmung (10) des Außenleiterkontaktelements (6) den Montagezugang (M) bereitzustellen vermag.Electrical connector (1) according to claim 1 or 2,
characterized in that
an insulating part (12) is arranged between the inner conductor contact element (3) and the outer conductor contact element (6), which has an assembly opening (13) which, together with the assembly recess (10) of the outer conductor contact element (6), is able to provide the assembly access (M).
dadurch gekennzeichnet, dass
der elektrische Steckverbinder (1) eine runde Geometrie aufweist, wobei das Außenleiterkontaktelement (6), das Innenleiterkontaktelement (3), das Isolierteil (12) und/oder das Isolierschutzelement (9) einen im Wesentlichen runden Querschnitt aufweisen.Electrical connector (1) according to one of Claims 1 to 3,
characterized in that
the electrical connector (1) has a round geometry, the outer conductor contact element (6), the inner conductor contact element (3), the insulating part (12) and / or the insulating protection element (9) having an essentially round cross section.
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) in einer Nut des Außenleiterkontaktelements (6), in einer Nut des Innenleiterkontaktelements (3), in einer Nut des Isolierteils (12), in einer zwischen dem Isolierteil (12) und dem Außenleiterkontaktelement (6) gebildeten Nut (14) und/oder in einer zwischen dem Isolierteil (12) und dem Innenleiterkontaktelement (3) gebildeten Nut geführt ist.Electrical connector (1) according to one of Claims 1 to 4,
characterized in that
the insulating protection element (9) in a groove in the outer conductor contact element (6), in a groove in the inner conductor contact element (3), in a groove in the insulating part (12), in a groove (14) formed between the insulating part (12) and the outer conductor contact element (6) ) and / or is guided in a groove formed between the insulating part (12) and the inner conductor contact element (3).
dadurch gekennzeichnet, dass
die Montageausnehmung (10) des Außenleiterkontaktelements (6), die Zugangsöffnung (11) des Isolierschutzelements (9) und/oder die Montageöffnung (13) des Isolierteils (12) als Bohrung oder Langloch ausgebildet ist.Electrical connector (1) according to one of Claims 1 to 5,
characterized in that
the mounting recess (10) of the outer conductor contact element (6), the access opening (11) of the insulating protection element (9) and / or the mounting opening (13) of the insulating part (12) is designed as a bore or elongated hole.
dadurch gekennzeichnet, dass
der Innenleiter (4) des Kabels (2) mittels einer Schraube (5) an dem Innenleiterkontaktelement (3) befestigt ist, wobei der Montagezugang (M) derart verläuft, dass die Schraube (5) durch das Einführen eines Montagewerkzeugs (15) in den Montagezugang (M) betätigbar ist.Electrical connector (1) according to one of Claims 1 to 6,
characterized in that
the inner conductor (4) of the cable (2) is fastened to the inner conductor contact element (3) by means of a screw (5), the assembly access (M) running in such a way that the screw (5) can be inserted into the through the insertion of an assembly tool (15) Assembly access (M) can be operated.
dadurch gekennzeichnet, dass
die Schraube (5) in der Isolierschutzposition des Isolierschutzelements (9) vollständig von dem Isolierschutzelement (9) abgedeckt ist.Electrical connector (1) according to claim 7,
characterized in that
the screw (5) in the insulation protection position of the insulation protection element (9) is completely covered by the insulation protection element (9).
dadurch gekennzeichnet, dass
der Durchmesser eines Schraubenkopfes der Schraube (5) größer ist als der Durchmesser der Zugangsöffnung (11) des Isolierschutzelements (9).Electrical connector (1) according to claim 7 or 8,
characterized in that
the diameter of a screw head of the screw (5) is greater than the diameter of the access opening (11) of the insulating protection element (9).
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) Rastmittel (17) zur Verrastung mit einem korrespondierenden Rastelement (18) des Außenleiterkontaktelements (6), des Innenleiterkontaktelements (3) und/oder des Isolierteils (12) aufweist, um das Isolierschutzelement (9) in der Montageposition und/oder in der Isolierschutzposition zu verrasten.Electrical connector (1) according to one of Claims 1 to 9,
characterized in that
the insulating protection element (9) has latching means (17) for latching with a corresponding latching element (18) of the outer conductor contact element (6), the inner conductor contact element (3) and / or the insulating part (12) in order to secure the insulating protection element (9) in the mounting position and / or to lock in the insulation protection position.
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) teilringförmig oder ringförmig ausgebildet ist, wobei das Isolierschutzelement (9) bezogen auf die Längsachse (L) des elektrischen Steckverbinders (1) rotatorisch und/oder axial zwischen der Montageposition und der Isolierschutzposition verschiebbar ist.Electrical connector (1) according to one of Claims 1 to 10,
characterized in that
the insulating protection element (9) is partially ring-shaped or ring-shaped, the insulating protection element (9) being rotatable and / or axially displaceable between the mounting position and the insulating protection position relative to the longitudinal axis (L) of the electrical connector (1).
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) wenigstens ein Führungsmittel (16) aufweist, insbesondere eine radial oder axial abstehende Fahne oder einen Steg, um das Isolierschutzelement (9) in seinem montierten Zustand innerhalb des Außenleiterkontaktelements (6) verschieben zu können.Electrical connector (1) according to one of claims 1 to 11,
characterized in that
the insulating protection element (9) has at least one guide means (16), in particular a radially or axially protruding flag or a web, in order to be able to move the insulating protection element (9) in its assembled state within the outer conductor contact element (6).
dadurch gekennzeichnet, dass
mehrere Innenleiterkontaktelemente (3), vorzugsweise zwei Innenleiterkontaktelemente (3) oder noch mehr Innenleiterkontaktelemente (3), und eine Anzahl korrespondierender Montageausnehmungen (10) sowie Zugangsöffnungen (11) vorgesehen sind.Electrical connector (1) according to one of Claims 1 to 12,
characterized in that
several inner conductor contact elements (3), preferably two inner conductor contact elements (3) or even more inner conductor contact elements (3), and a number of corresponding mounting recesses (10) and access openings (11) are provided.
dadurch gekennzeichnet, dass
das Isolierschutzelement (9) zwischen einer Montageposition, in der ein Montagezugang (M) zur Befestigung des Innenleiterkontaktelements (3) an einem Innenleiter (4) eines elektrischen Kabels (2) durch eine in dem Außenleiterkontaktelement (6) bereitgestellte Montageausnehmung (10) freigegeben ist, und einer Isolierschutzposition, in der der Montagezugang (M) zu dem Innenleiterkontaktelement (3) durch das Isolierschutzelement (9) versperrt ist, verschiebbar ist.Insulating protection element (9) for an electrical plug connector (1), the insulating protection element (9) being arranged between an inner conductor contact element (3) and an outer conductor contact element (6) of an electrical plug connector (1),
characterized in that
the insulating protection element (9) between a mounting position in which a mounting access (M) for fastening the inner conductor contact element (3) to an inner conductor (4) of an electrical cable (2) is released through a mounting recess (10) provided in the outer conductor contact element (6) , and an insulating protection position in which the assembly access (M) to the inner conductor contact element (3) is blocked by the insulating protection element (9), is displaceable.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19186433.9A EP3767750B1 (en) | 2019-07-16 | 2019-07-16 | Electric connector, insulated safety element and method for mounting an electrical connector |
CN202010151864.9A CN112242628B (en) | 2019-07-16 | 2020-03-06 | Electrical plug-in connector, insulation protection element and assembly method |
US16/896,422 US11283210B2 (en) | 2019-07-16 | 2020-06-09 | Electrical plug-in connector, insulating protective element and method for assembling an electrical plug-in connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19186433.9A EP3767750B1 (en) | 2019-07-16 | 2019-07-16 | Electric connector, insulated safety element and method for mounting an electrical connector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3767750A1 true EP3767750A1 (en) | 2021-01-20 |
EP3767750B1 EP3767750B1 (en) | 2022-03-02 |
Family
ID=67314606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19186433.9A Active EP3767750B1 (en) | 2019-07-16 | 2019-07-16 | Electric connector, insulated safety element and method for mounting an electrical connector |
Country Status (3)
Country | Link |
---|---|
US (1) | US11283210B2 (en) |
EP (1) | EP3767750B1 (en) |
CN (1) | CN112242628B (en) |
Cited By (2)
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US11584245B2 (en) * | 2019-09-25 | 2023-02-21 | Audi Ag | Charging socket for a power supply arrangement, corresponding power supply arrangement, and method for operating a charging socket |
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US20230327422A1 (en) * | 2022-04-08 | 2023-10-12 | Hamilton Sundstrand Corporation | Electrical shielding termination systems |
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Also Published As
Publication number | Publication date |
---|---|
US20210021074A1 (en) | 2021-01-21 |
CN112242628A (en) | 2021-01-19 |
EP3767750B1 (en) | 2022-03-02 |
CN112242628B (en) | 2022-04-12 |
US11283210B2 (en) | 2022-03-22 |
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