EP4572020A2 - Dispositif de guidage pour aider à la réalisation d'une connexion électrique - Google Patents

Dispositif de guidage pour aider à la réalisation d'une connexion électrique Download PDF

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Publication number
EP4572020A2
EP4572020A2 EP24206535.7A EP24206535A EP4572020A2 EP 4572020 A2 EP4572020 A2 EP 4572020A2 EP 24206535 A EP24206535 A EP 24206535A EP 4572020 A2 EP4572020 A2 EP 4572020A2
Authority
EP
European Patent Office
Prior art keywords
cable
contact means
component
guide
electrical
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.)
Pending
Application number
EP24206535.7A
Other languages
German (de)
English (en)
Other versions
EP4572020A3 (fr
Inventor
Olaf Prein
HEIKO FEIßT
Christian Kübler
Marco Bosch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murrelektronik GmbH
Original Assignee
Murrelektronik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102023129767.8A external-priority patent/DE102023129767A1/de
Priority claimed from DE102024115858.1A external-priority patent/DE102024115858A1/de
Application filed by Murrelektronik GmbH filed Critical Murrelektronik GmbH
Publication of EP4572020A2 publication Critical patent/EP4572020A2/fr
Publication of EP4572020A3 publication Critical patent/EP4572020A3/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5033—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using wedge or pin penetrating into the end of a wire in axial direction of the wire
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • 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
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device

Definitions

  • the present invention relates to a guide device according to the type defined in more detail in the preamble of claim 1. Furthermore, the invention relates to a connection system and a method.
  • the cable can first be stripped and crimped, then connected to a connector.
  • a crimping tool for example, is used to securely connect the connector to the cable conductors through pressure and deformation.
  • a stripping tool may also be used to cut off the outer insulation of the cables without damaging the underlying conductors.
  • it is an object of the present invention aims to further simplify installation technology and provide the correct cable layout for an application in an improved manner.
  • the aim is to provide an improved, more flexible, and/or simpler connection technology that can be used in the field.
  • the invention is a guide device with the features of claim 1 and a connection system with the features of claim 15. Further features and details of the invention emerge from the respective subclaims, the description, and the drawings. Features and details described in connection with the guide device according to the invention naturally also apply in connection with the connection system according to the invention and the method according to the invention, and vice versa, so that with regard to the disclosure of the individual aspects of the invention, reference is always made to each other.
  • the subject matter of the invention is, in particular, a guiding device for supporting the establishment of an electrical connection between a component and a cable.
  • a contacting movement in particular linear
  • the relative movement refers in particular to the relative movement of the conductor and the contact means to one another, during which at least one of the two components is moved.
  • This contacting movement can lead to the respective contact means touching the assigned conductor and therefore an electrical connection being established.
  • the electrical connection can be further improved and/or fixed by moving and guiding the respective contact means further into the assigned conductor. This further movement can also be part of the contacting movement and can be guided accordingly by the guiding device.
  • the guide device can have a guide housing, which is preferably at least partially electrically insulating. Furthermore, the guide device can have a guide structure, which is formed on the guide housing for guiding a contacting movement in order to contact at least one or more electrical contact means of the component with a respective associated (i.e., assigned) electrical conductor of the cable.
  • the guide structure can have at least one opening and/or at least one channel and/or the like, by means of which a linear guidance of the respective conductor and contact means is enabled.
  • the guide device can be designed to specify the specific arrangement and assignment of the multiple electrical contact means to the multiple electrical conductors during contacting.
  • the guide device can, for example, have a spatially designed coding. Coding can preferably be understood as a systematic shaping and/or a systematic arrangement of contacts and/or mechanical elements in order to ensure a specific connection configuration during contacting.
  • the arrangement can refer to the orientation of the component relative to the cable.
  • the assignment can refer to an assignment of the respective contact means to an assigned (i.e., associated) conductor, in particular according to a predetermined assignment of the conductors or contact means.
  • the assignment of the contact means to the conductors implies, in particular, a mutual assignment, thus also an assignment of the conductors to the contact means.
  • an insertion mechanism can be provided which is arranged on the guide structure for controlling the contacting movement in order to insert the at least one or more electrical contact means, each with a predetermined penetration depth, into the associated electrical conductor in an axial direction of the conductor and/or the cable.
  • a mechanism can be provided which enables assisted or automated insertion, in particular piercing, of the contact means into the conductor. This can have the advantage of facilitating the handling of the guide device and thus achieving greater precision in the connection of the cable to the component.
  • mechanical control of the contacting movement can be carried out, but alternatively or additionally, electronic control, e.g. sensor-supported, can also be used.
  • the insertion mechanism can be designed to insert, in particular pierce, the respective contact means into the associated electrical conductor with a predetermined penetration depth, in particular a piercing depth, in a linearly guided manner by the contacting movement.
  • the predetermined penetration depth is preferably in the range of 0.5 mm to 10 mm, preferably 1 mm to 6 mm, and preferably 2 mm to 4 mm. This ensures that the insertion or piercing is carried out properly.
  • the insertion mechanism further comprises a pressure element and a transmission arrangement.
  • the transmission arrangement can be connected to the pressure element in a force-transmitting manner in order to set the pressure element in motion when force is exerted on the transmission arrangement manually or mechanically. This enables the pressure element to insert, preferably pierce, the respective electrical contact means into the associated electrical conductor via the contacting movement.
  • a travel path for the pressure element between a starting position and an end position can be determined by the predetermined penetration depth and/or structurally predetermined. Structurally predetermined is understood in particular to mean that the arrangement, shape and/or composition of the guide device is defined such that the penetration depth is achieved and/or the insertion is limited to the penetration depth.
  • an adjustment mechanism is provided for setting the predetermined penetration depth and preferably the travel path of the insertion mechanism, preferably depending on a cable type and/or continuously and/or in several predefined stages.
  • This can have the advantage that the insertion mechanism can be adapted to different cable types in order to ensure an optimal penetration depth and travel path. This enables reliable and efficient cable installation.
  • the adjustment mechanism can be operated automatically or manually and to provide an indexing device for monitoring the settings. This allows the operator of the insertion mechanism to quickly and easily adjust the settings to ensure precise and reliable cable installation.
  • the insertion mechanism is designed as a lever mechanism in which a transmission arrangement comprises a lever arm in order to transmit a manual or mechanical force exerted on the transmission arrangement into the controlled contacting movement, in which the control preferably takes place in such a way that the contacting movement is guided linearly and/or the penetration depth is predetermined and/or controlled and/or limited and/or the predetermined and/or a current penetration depth is indicated for a user, e.g. by a display device.
  • the insertion mechanism to further comprise a nut, preferably a union nut, which is designed to establish a mechanical connection between the component and the cable and is screwed onto a thread for this purpose.
  • a transmission arrangement can be provided which is designed to transmit a movement, in particular a rotational movement, of the nut on the thread to a pressure element.
  • a pressure element can be arranged and guided in the region of a guide space of the guide device in order to move through the guide space of the guide structure as a result of the transmitted movement along a longitudinal axis of the thread in order to thereby exert a force for inserting the electrical contact means.
  • the guide space can be designed to accommodate part of the component and/or the at least one electrical contact means.
  • the guide space can be adapted to the dimensions of the cable.
  • the insertion mechanism may further comprise a pressure element to directly or indirectly transmit a force to the electrical contact means in order to insert it into the associated electrical conductor via the contacting movement.
  • a holding element may be provided which is firmly connected to the pressure element in order to limit the contacting movement when the holding element encounters a counter-holding element.
  • the A counter-holding element, and in particular additional counter-holding elements at regular intervals can be arranged along an axial direction of the cable for the visual and mechanical marking of the specified penetration depth. This can have the advantage that the penetration depth can be quickly and easily checked visually without the need for special measuring devices.
  • the arrangement of the counter-holding elements at regular intervals can also help to ensure that the cable is held evenly and stably in the specified position. This, in turn, can help prevent the cable from slipping or becoming damaged during operation.
  • the guide device can be designed to predetermine the specific arrangement and assignment of the plurality of electrical contact means to the electrical conductors during contacting, wherein the guide structure is designed to guide the contacting movement in the form of a linear relative movement of the electrical contact means and the electrical conductors to one another during contacting.
  • the guide structure can, for example, have a spatial limitation for the conductors and the contact means, in which either the conductors and/or contact means are guided individually or together.
  • the linear guidance can be achieved by arranging a respective conductor with the assigned contact means (and/or a respective contact means with the assigned conductor) in a straight line and being held and guided on this line by the spatial limitation.
  • the conductors are assigned to the contact means, for example, based on a predefined electrical assignment.
  • an electrical assignment can be understood to mean that each contact means fulfills a specific electrical function and is thus assigned to a specific conductor.
  • the guide device can help to prevent faulty connection of the conductors and ensure proper functioning of the component, especially a connector.
  • the guide structure is formed on a first side of the guide housing for mechanically guiding the electrical conductors.
  • the guide structure can comprise, for example, openings on the first side of the guide housing.
  • the guide structure can be formed for mechanically guiding the electrical contact means.
  • further openings can be provided on the second side of the guide housing in order to guide the electrical conductors and the electrical contact means towards one another from the different sides, so that the contact is preferably provided in a guided manner in an interior of the guide housing.
  • the interior can be designed with dimensions and a shape that are adapted to the shape and size, and preferably the diameter, of the cable.
  • At least one coding is spatially formed on the guide housing in order to predetermine the specific arrangement and assignment of the electrical contact means to the electrical conductors.
  • the at least one coding can comprise a mechanical and/or geometric coding in which a geometric profile, in particular a spatial shape and/or contour, extends through the guide device.
  • the profile can preferably define a guide cavity for a guide means and preferably for a guide pin of the component and/or the cable. This has the effect of predetermining a specific orientation of the component and/or the cable for contacting.
  • the at least one coding can be spatially formed by comprising a geometric and/or extruded profile of the guide device and/or a tube.
  • the guide cavity can be designed for the transmission of a fluid, in particular for the transmission of a medium such as air or a liquid.
  • the profile can be formed on the cable in an extrusion process.
  • At least one coding is provided on the guide housing, wherein the at least one coding comprises an electrical coding and/or a color coding, in which a systematic arrangement of the electrical conductors is provided.
  • This has the advantage that a specific assignment of the electrical contact means for contacting is predetermined. The assignment can refer to a specific connection arrangement in which the contacting of the electrical contact means takes place in a fixed sequence.
  • the guide device can comprise an insertion mechanism, in particular a screw mechanism, a lever mechanism or a plug-in mechanism, in order to carry out the contacting movement, wherein the insertion mechanism is preferably designed to move the cable in the direction of the component during the contacting movement, wherein the guide device or the insertion mechanism preferably comprises an adjustment mechanism in order to set a predetermined penetration depth of the contact means into the conductors in the insertion mechanism, preferably depending on a cable type of the cable and/or continuously and/or in several predefined stages, wherein the guide device or the insertion mechanism preferably comprises an indexing or indexing device configured to indicate the current penetration depth to a user during the contacting movement.
  • the insertion mechanism may be one of the previously mentioned insertion mechanisms.
  • the screw mechanism is preferably designed as a union nut or comprises a union nut that establishes the electrical connection when screwed onto the component.
  • a lever of the lever mechanism can preferably be mounted on the component. Actuation of the lever can cause the contacting movement.
  • the component preferably comprises a thread, for example an M8 or M12 thread, preferably as an external thread, and the union nut has a matching mating thread, preferably an internal thread.
  • the insertion mechanism can, for example, comprise a gripper.
  • the insertion mechanism or the gripper can be part of the component, formed on the component, or separate from the component.
  • the gripper can grip the cable or a cable end section, preferably by clamping or holding the cable or the cable end section by the gripper.
  • the gripper preferably interacts with the strain relief contour and/or the coding of the cable, preferably by the gripper engaging behind the elevation or engaging in the recess.
  • the gripper preferably has the counter coding.
  • the cable can only be gripped in the intended orientation by means of the gripper in order to establish an intended electrical connection between the cable and the component, in particular between the electrical conductors of the cable and the contact means of the component.
  • the electrical connection can be established, but also a necessary surface pressure for a sealing element, in particular an elastomer seal, on the component can be established.
  • the seal can be arranged such that it is in physical contact with the contacting surface when the electrical connection is established.
  • the seal can be produced by means of a multi-component injection molding process during the manufacture of the component.
  • the seal can seal the transfer line and/or the fluid line and/or the fluid channel from the contact points between the electrical conductors and the contact means and/or seal the contacting surface from an environment of the connection system.
  • the cable which is held and/or retained by the gripper, can be moved towards the component, preferably in order to establish the electrical connection between the cable and the Component, in particular between the electrical conductors of the cable and the contact means.
  • the insertion mechanism is designed so that the contact means can be contacted at the contact surface simply by piercing the electrical conductors of the cable.
  • the indexing can be implemented as a scale or as acoustic and/or haptic feedback for the user.
  • the clicking noises of a locking mechanism due to the contacting movement can trigger such acoustic feedback.
  • clicks of one or the locking mechanism during the contacting movement generate the haptic feedback.
  • the scale can be implemented on the component for this purpose, while the insertion mechanism, in particular a screw mechanism, lever mechanism, or plug-in mechanism, can preferably function as the pointer of the scale.
  • the adjustment mechanism can be designed as an adjustable movement limiter for the insertion mechanism, in particular a screw mechanism, lever mechanism, or plug-in mechanism, which preferably limits the maximum penetration depth or the maximum insertion depth of the contact means into the conductor.
  • the adjustment mechanism can be adjustable, for example, by means of a screw or a union nut and/or a rotary movement.
  • the insertion mechanism has a movement converter, which can be designed such that an actuating movement, in particular a pressing movement, rotary movement, or pivoting movement, is or can be converted into a contacting movement.
  • the guide device is designed as a guide sleeve for the cable.
  • the guide sleeve is particularly characterized by the fact that it fixes the cable in a defined orientation and/or protects it from damage.
  • the guide sleeve can be made of a flexible material such as rubber or plastic and have an internal guide groove that holds the cable securely and stably.
  • connection system according to the invention thus brings with it the same advantages as have been described in detail with reference to a guide device according to the invention.
  • connection system may be designed to contact the respective contact means with the associated conductor in an axial direction of the associated conductor in order to electrically connect the respective contact means directly to the exposed conductor cross-section of the associated conductor.
  • the contact means can, for example, be pierced into the conductor cross-section in the longitudinal direction of the conductor.
  • the at least one coding can be formed by means of a rotationally symmetrical cross-section of the cable, in particular by means of a rotationally symmetrical inner and/or outer contour of the cable.
  • the respective exposed conductor cross-section can be completely exposed in cross-section, i.e., for example, severed.
  • the rotationally symmetrical outer contour can be formed by means of a cable sheath or outer circumference of the cable, preferably in that the cable has a cross-section with a circular basic shape and at least one recess, in particular a groove, and/or at least one elevation, in particular a bead.
  • the recess or elevation, in particular a bead is the coding.
  • the outer contour can be a freeform or a polygonal shape.
  • the inner contour can be formed by means of a circular fluid line, which, due to its position and/or shape, is The coding forms the cable.
  • the fluid line can be free-form or polygonal.
  • the coding allows the component with the coding to be viewed as a key, and the component with the corresponding counter-coding as a lock. This ensures the intended specific contact between the conductors and the contact elements.
  • the respective contact means has a point and/or is needle-shaped in order to contact the associated conductor by piercing the contact means at and/or through the, in particular completely, exposed conductor cross-section.
  • Piercing particularly comprises a contacting movement during which a force can be exerted on the contact means to create an opening or passage in the conductor cross-section.
  • the respective conductor may also be designed as a stranded wire, each comprising flexible individual wires to electrically surround a contact means inserted and, in particular, pierced through the respective conductor cross-section.
  • This has the advantage that the individual wires provide a flexible receptacle for the contact means, thus simplifying insertion.
  • the respective contact means is designed to be introduced, preferably pierced, into the conductor on and/or through the exposed conductor cross-section of the associated conductor, wherein the respective conductor with its exposed conductor cross-section and the contact means introduced, preferably pierced, therein are at least partially surrounded by an insulating sheath and/or shielding.
  • This can have the advantage that the respective conductor, in particular data conductors for sensitive data transmission, is protected from external influences such as electromagnetic interference or mechanical damage.
  • the insulating sheath and/or shielding can also help to protect the conductors from moisture and corrosion, which can increase the service life and reliability of the cable.
  • the electrical conductors of the cable can be twisted to one another, in particular in the form of one or more pairs, three-way twists or four-way twists, wherein the at least one coding along the extension of the cable has a continuous course and a course adapted to the twisting in such a way that at every point along the extension of the cable, the at least one coding and the electrical conductors have the same relative position to one another, in particular in a plane transverse, preferably perpendicular, to the extension direction of the cable.
  • the coding on the cable sheath can have a continuous screw thread-like or continuous helical course in the direction of extension of the cable, preferably with a constant pitch that is particularly tailored to the twisting.
  • the coding can be designed as a recess, in particular a notch or groove, or an elevation, in particular a shoulder or bulge.
  • the twisting can reduce electromagnetic interference. By twisting the conductors, induced electromagnetic fields largely cancel each other out, thereby reducing susceptibility to interference. However, this changes the position of the conductors along the extension of the cable, making contact between the contact means of the component and the conductors of the cable more difficult.
  • the coding and the defined, constant relative position of the coding to the conductors along the cable this problem can be solved and the intended contact between the contact means of the component and the correspondingly provided conductors of the cable can be made possible at any point on the cable, since the coding can have a continuous course that is tailored to the twisting.
  • the various strands can be spaced apart and/or evenly distributed across the cross-section of the cable. If the cable has a fluid line, it is preferred if the strands are arranged evenly around the fluid line, preferably to achieve uniform cooling of the conductors or strands.
  • the cable can have a fluid line, in particular a liquid line or gas line, wherein in particular the at least one coding can be formed partially or solely by means of the fluid line, wherein the electrical conductors, in particular the stranding or strands, surround the fluid line along the extent of the cable in order to preferably ensure uniform cooling of the conductors by means of the fluid that can be conducted through the fluid line, wherein the component can have a fluid channel that can be connected to the fluid line of the cable in a fluid-transmitting manner and can in particular partially or solely form a counter-coding.
  • the fluid line and/or the fluid channel contributes to the coding through the shape of its cross-section, in particular transversely or perpendicularly to the direction of extension of the cable, and/or through its position within the cable cross-section, in particular transversely or perpendicularly to the direction of extension of the cable.
  • Contributing to the coding can mean that, for example, a geometry of the cable sheath or the outer contour of the cable additionally contributes to the coding.
  • a geometry of the cable sheath or the outer contour of the cable together with the fluid line, in particular the shape and/or position of the fluid line can form the coding.
  • the fluid line forms the coding through the shape of its cross-section, in particular transversely or perpendicularly to the direction of extension of the cable, and/or by their position within the cable cross-section, in particular transversely or perpendicularly to the direction of extension of the cable, the coding.
  • the cable can have strain relief contours along its extension on its outer circumference, preferably at regular intervals from one another, particularly preferably in the form of circumferential recesses, in particular grooves or notches, or elevations, in particular beads or shoulders, preferably for a shrink tube or a strain relief, and wherein the component can have a strain relief, in particular a shrink tube designed as a strain relief, which is preferably fastened to the component, for the cable, which cooperates with the strain relief contour of the cable in such a way that the cable is strain-relieved by the strain relief forming a positive connection, in particular with the strain relief contour of the cable, preferably by the strain relief engaging behind the strain relief contour or engaging in the strain relief contour.
  • the strain relief is preferably designed such that the strain relief prestresses the cable against the component, preferably in the direction of extension of the cable and/or in the contacting direction. Furthermore, the strain relief can comprise gripping arms for engaging or engaging behind.
  • the strain relief can be made of plastic and/or formed integrally with the component.
  • the strain relief can also be adjustable so that the prestress of the cable against the component can be adjusted. The prestress can be adjustable in steps or continuously.
  • the strain relief can preferably be designed such that it creates a strain-relieving connection with the strain relief contour during the contacting movement to establish the electrical connection between the cable and the component.
  • connection system comprises a seal, in particular a material-to-material and/or force-fitting and/or form-fitting seal, which seals the connection and in particular a cable section adjacent to the connection from an environment of the connection system, in particular according to IP20 or IP67, wherein the seal can preferably be formed, in particular in the case of a form-fitting seal, by means of a shrink tube or the shrink tube that forms the strain relief.
  • IP20 can be a protection and/or a certification that states that the ingress of foreign bodies is prevented.
  • IP67 can be a protection and/or a certification that states that protection against dust and immersion in water up to a maximum depth of 1 meter for a maximum of 30 minutes.
  • IP20 and IP67 refer to the protection classes and/or certifications as they were valid on September 27, 2024, particularly in the Federal Republic of Germany.
  • the seal can preferably be formed by means of a sealing compound, in particular an adhesive or potting compound, wherein, in particular in the direction of extension of the cable and/or perpendicular to the direction of extension of the cable, a sealing space for receiving the sealing compound can be formed between the cable, in particular the contact surface of the cable, and the component, in which sealing space the sealing compound is located and preferably completely fills the sealing space, wherein the sealing space preferably has a filling opening for the sealing compound, which is in particular closed by the sealing compound, wherein the sealing space preferably has an outlet opening for the sealing compound, which is in particular closed by the sealing compound, wherein in particular a section of the component delimiting the sealing space can be formed from a transparent material so that the degree of filling of the sealing space with the sealing compound can be optically determined.
  • the sealing compound can be filled into the sealing space in the liquid state by means of the filling opening.
  • the outlet opening allows excess sealant to escape from the sealing chamber in its liquid state, allowing for the determination of whether the sealant is evenly distributed throughout the sealing chamber.
  • the sealant is preferably curable and/or electrically insulating. Sealing the openings with the sealant prevents foreign matter or moisture from entering the sealing chamber.
  • the seal can be formed by means of a released content of a microencapsulation, in particular of the cable or component or the guide housing.
  • the content of the microencapsulation can preferably be released by means of heat, radiation, in particular light, preferably in the form of ultraviolet light, contact with an activating substance, or light in combination with moisture.
  • the seal can fluid-tightly seal and/or electrically insulate a transition from the fluid line to the fluid channel from the contact points, which can be formed by contacting the conductors with the contact means on the contacting surface, and/or wherein the seal electrically insulates and/or seals the contact points, which can be formed by contacting the conductors with the contact means on the contacting surface, from one another. In this way, fluid leakage or malfunction is prevented.
  • the seal can be formed by means of a heat-shrinkable tube, wherein the heat-shrinkable tube is preferably designed as a strain relief for the cable, in that the heat-shrinkable tube forms a positive connection, in particular with a strain relief contour of the cable, preferably in that the heat-shrinkable tube engages behind the strain relief contour or engages in the strain relief contour, and is attached to the component by means of a fastening of the component, in particular the fastening contour of the component, and thus preferably forms a pre-tension of the cable against the component.
  • the heat-shrinkable tube it is conceivable for the heat-shrinkable tube to serve merely as a seal.
  • the contact means can lead electrically to electrical contact conductors of a plug arrangement or socket arrangement of the component, wherein the position and/or arrangement and/or assignment and/or dimensioning of the electrical contact conductors differs from that of the contact means, in particular at the contact surface.
  • the course of the guide from the contact means to the contact conductors of the plug or socket can preferably not be straight, but at least at one point along the course can be angled, preferably perpendicular, or curved, whereby the plug or socket is formed on a side of the component that runs transversely or perpendicularly to the insertion direction of the cable or to the contacting direction.
  • the plug can be designed to establish an electrical and/or positive connection with a socket.
  • the socket can be designed to establish an electrical and/or positive connection with a plug.
  • the plug or socket can be formed on a side of the component that faces away from the side of the component on which the cable can be electrically contacted with the contact means.
  • the routing from the contact means to the contact conductors of the plug or socket is configured such that the arrangement and/or assignment of the electrical conductors of the plug or socket differs from that of the contact means.
  • an electrical connection can be established from a small cable cross-section to a large plug arrangement or socket arrangement.
  • at least two contact conductors of the socket arrangement or plug arrangement are spaced apart by a greater or smaller distance than the electrical conductors of the cable are spaced apart in the cable cross-section.
  • the electrical conductors can preferably extend only and/or directly to one or the contacting surface of the cable and/or be adjacent to it, preferably in order to enable the contact means, in particular in the form of contacting tips and/or piercing means, to penetrate into the electrical conductors on the contacting surface, wherein the contacting surface is preferably transverse, in particular vertical, to the direction of extension of the cable, and wherein in particular the contacting surface can be a cut surface of the cable, at which the cable has preferably been shortened to a desired length, and/or a cable end of the cable.
  • the contacting surface can be formed by a cut at any point along the extension of the cable, in particular if the coding extends over the entire length of the cable.
  • the contact means are designed such that by means of the contact means only a piercing, in particular without cutting, into the electrical conductors of the cable is possible.
  • the respective conductor can form a line with a surrounding insulating sheath.
  • the lines can be color-coded, in particular by using different colors for the insulating sheaths. It can then be advantageous to use corresponding counter-coding on the guide device to color-code a guide structure and preferably openings in the guide housing to the corresponding lines. This can have the advantage of facilitating the installation and maintenance of the lines, since the color-coding allows for quick identification of the lines.
  • the conductors of the cable are each designed as stranded wires to form a receptacle for inserting the associated contact means of the component, preferably for piercing the contact means in the form of a contact tip into the strands.
  • the guide device can be provided between the cable and the component to guide the insertion and preferably piercing with a predetermined arrangement and assignment of the contact means of the component to the conductors of the cable.
  • the invention can provide that the respective conductor forms a line with a surrounding insulating sheath, wherein the cable is provided by cutting it to a desired length without stripping the respective line, and wherein the introduction of the respective contact means is carried out without prior stripping of the respective line.
  • the component is, for example, a connector or a device such as a sensor or actuator or a fieldbus module.
  • the connector can be an M8, M12, or RJ45 connector, for example.
  • the connector can be designed as a substantially cylindrical (such as M8, M12) or rectangular (e.g. RJ45) connector.
  • the connector can have a diameter, in particular a maximum diameter, in the range from 1 mm to 30 mm, preferably 2 mm to 20 mm, more preferably 5 mm to 14 mm.
  • the diameter can be substantially 8 mm for M8 and substantially 12 mm for M12.
  • the diameter can in particular refer to the outer diameter of a thread of the connector, which is used for attachment to a device.
  • the cable in turn, can have an outer diameter in the range from 1 mm to 30 mm, preferably 2 mm to 20 mm, more preferably 3 mm to 10 mm.
  • the diameters can vary between 4 mm and 6 mm.
  • the cable can be designed as a power, data, or hybrid cable.
  • the individual cable can, for example, serve for both power and data transmission.
  • one or more data lines and one or more power lines are provided, for example.
  • the respective data and/or power line can have an electrical conductor which is surrounded by a sheath, in particular an insulating sheath or shield.
  • the shield can be made of an electrically conductive material, for example to shield against electromagnetic interference. Materials such as copper or aluminum can be used here.
  • the insulating sheath can be made of an electrically insulating material. Materials such as ceramic, glass, or plastics can be used here.
  • the respective data line can be designed as an electrical or optical data line and preferably as a fieldbus and/or Ethernet line.
  • the component and in particular the connector, can serve to establish a reliable and secure connection to the cable. This can make it possible to receive electrical current for energy transmission and/or signals for data transmission and/or at least one other medium from the cable and/or to transmit them further to a device.
  • the component can have at least one or more contact means, each of which is electrically and/or mechanically contacted with an associated conductor of the cable.
  • the contact means can be electrically and/or mechanically connected to the conductors.
  • an associated contact means can be provided, which is connected accordingly to the associated conductor. In this case, it can be provided that only exactly one contact means is connected (contacted) with exactly one associated conductor until all contact means have been contacted with an associated conductor in order to fully establish the connection.
  • the respective contact element can be designed as an electrical contact element, i.e., electrically conductive, and the respective conductor can be designed as an electrical conductor.
  • the assignment of the contact elements can be observed, i.e., the contact elements are connected to the designated conductors of the cable.
  • the assignment thus defines which conductors belong to which contact element. In other words, it depends on the specific arrangement and/or assignment of the component's contact elements to the cable's conductors.
  • the cable may have at least one electrical conductor. It is preferred if at least two or three or four or more, or a maximum of 10, electrical conductors are provided in the cable. Each of the electrical conductors may particularly preferably be configured as a stranded wire.
  • a stranded wire is understood to be, in particular, an electrical conductor comprising thin individual wires and therefore easily bendable, which is made predominantly of copper, for example.
  • the individual wires may be enclosed by a common insulating sheath (insulation); in this case, the conductor may also be referred to as a stranded wire.
  • At least one coding can be provided on the cable.
  • the coding can be formed spatially, i.e., in particular three-dimensionally, on the cable.
  • the coding can be provided on a contacting surface and, in particular, a cutting surface of the cable.
  • the coding can serve to specify a specific arrangement and/or assignment of, in particular electrical, contact means of the component with the, in particular electrical, conductors of the cable, preferably to specify this for the connection. and/or to guide. Coding can preferably be understood as a systematic shaping and/or a systematic arrangement of contacts and/or mechanical elements in order to ensure a specific connection configuration.
  • the coding can thus serve to prevent incorrect connections and to ensure the correct alignment of the component (e.g.
  • the coding thus advantageously defines a correct alignment of the component, i.e. the correct orientation of the cable, and enables optimized signal transmission and power supply by ensuring compatibility between the various components.
  • the connection between the component and the cable can be made directly at a contacting surface and, in particular, a cutting surface of the cable.
  • the contacting surface can designate a surface and, in particular, a cross-section through the cable, at which the respective conductor of the cable is accessible from the outside for contacting the contact means of the component.
  • the surface can be arranged orthogonally to the axial direction of the cable.
  • the respective conductor of the cable can, at the contacting surface, directly border an outer region of the cable and can thus be connected to the contact means of the component without severing the sheath and/or insulation of the cable.
  • the respective conductor can also be severed at the contacting surface in alignment with the contacting surface.
  • the cable can be designed such that the respective conductor of the cable is accessible for contacting with an associated contact means. This particularly means that the respective conductor is accessible from the outside (i.e., outside the cable), in particular, that it can be electrically contacted from the outside without further measures such as stripping. This is made possible, in particular, by the fact that the respective conductor (for contacting) has an exposed conductor cross-section.
  • the coding can be provided directly on the cable (and thus not or not only on the connector).
  • the coding can be formed between and/or in the area and/or through the conductors and/or the insulation and/or in or on the cable sheath (e.g. inner and/or outer sheath) on the cable. Coding is already known in connectors, in particular through electrical coding, in which the contacts are arranged so that only the correct electrical connection is possible. According to the invention, this coding can be transferred to the cable, i.e. alternatively or additionally be provided on the cable, for example in the form of a mechanical and/or electrical Coding. Coding can optionally also be referred to as a coding or connection structure.
  • the cable according to the invention can have a coding and/or a connecting structure which runs in the axial direction (longitudinal direction) of the cable or the conductors of the cable.
  • the connecting structure can have the coding and/or a plug-in structure and/or a (geometric) profile.
  • the connecting structure in particular the coding and/or the plug-in structure and/or the profile, can extend over substantially the entire or predominant length of the cable and/or can be provided continuously and/or repeatedly.
  • the connecting structure can have a structural section which is repeated in the axial direction of the cable.
  • the coding or the connecting structure can comprise at least one or more or exactly one cavities.
  • a part of the component such as a respective guide pin, can be plugged into the cavity or one or each of the cavities, if necessary.
  • the coding can be provided by a specific geometric shape (in particular a polygon) of the (respective) cavity.
  • the coding can also be defined by a number of corners and/or edges of this shape. It is also conceivable for the coding to be provided by several of the cavities, e.g. based on the arrangement and/or size and/or possibly different shapes of the cavities.
  • the coding or connection structure allows for a significant reduction in the assembly steps required for connecting a cable to a component. Furthermore, even after the cable has been cut to size, the cut cable itself can already exhibit the necessary structure to enable direct connection to the component.
  • a contacting surface is provided on the cable, at which the respective conductor is accessible for contacting with the associated contact means.
  • the contacting surface can lie in the cutting plane of the cable. In other words, the contacting surface can lie at the plane at which the cable was cut.
  • the conductor(s) can border on the outside from an interior of the cable or protrude and be visible from outside the cable.
  • the respective conductor preferably protrudes relative to the contacting surface or is located in a recessed position in the cable. It is also conceivable that a respective exposed conductor cross-section also lies in the cutting plane. This provides an easy-to-connect structure, through which the cable can inherently be designed as a plug or socket.
  • the respective contact means is designed to be inserted, preferably pierced, at and/or through the exposed conductor cross-section of the associated conductor.
  • each of the contact means can be inserted into a designated conductor cross-section.
  • the respective conductor, with its (respective) exposed conductor cross-section and the contact means inserted, preferably pierced, therein can be at least partially surrounded by an insulating sheath.
  • the special design of the cable according to the invention has the advantage that when connecting the cable to the component, it is possible to dispense with the need to first strip the cable in a complex process and, for example, to use crimp connectors to connect a plug-in connector to the cable. Instead, it may be possible for the component to be connected directly to the cut cable, since the cable already has a structure, preferably a plug-in structure and/or coding, for mechanical and/or electrical contacting at the cut surface.
  • the conductors of the cable can also be designed in such a way that they already provide a favorable contacting surface at the cut surface. This is achieved in particular by stranded wires with such a Diameter that allows a contact element to be inserted and/or pierced into each of the strands.
  • the at least one coding comprises a mechanical and/or geometric coding of the cable, in which a geometric profile, in particular a spatial shape and/or contour, extends in the axial direction of the cable, e.g., is arranged continuously or repeatedly.
  • the profile can define at least one cavity and, in particular, a guide cavity, preferably the spatial shape and/or contour of the cavity.
  • the at least one cavity can be provided for a pin, or the at least one guide cavity (for guidance) can be provided for a guide means such as a guide pin of the component, so that a specific orientation of the component (relative to the cable) is predetermined for the connection and/or, in the event of a deviation from the specific orientation, the connection of the component to the cable is blocked.
  • the specific orientation can also be predetermined by the specific shape of the at least one cavity, e.g., by the shape of the wall and/or the opening formed by the wall.
  • the opening can, for example, have a rectangular or trapezoidal shape that corresponds to the shape of the pin, in particular the guide pin. This ensures that the component or pin is inserted in exactly the right position and is not crooked or twisted.
  • the opening of the cavity can be shaped such that the at least one contact means and/or the at least one pin of the component can only be inserted therein when the component is correctly aligned.
  • the at least one cavity can have a length which is designed according to the length of the pin which is inserted into the respective cavity.
  • a plurality of cavities to form a grid on the contacting and/or cutting surface of the cable, which cavities are arranged such that the at least one contact means and/or the at least one pin of the component can only be inserted therein when the component is correctly aligned.
  • the or at least one further cavity, and in particular a guide cavity can be designed for transmitting a fluid, preferably for transmitting a medium such as air or a liquid.
  • the cable can serve not only for transmitting electrical energy, but optionally also for transmitting the fluid, e.g. a medium such as air or a liquid.
  • the coding can also be used to transmit a medium other than electrical energy. This enables a diverse range of uses for the cable.
  • the cable can therefore be designed not only as an electrical cable, but alternatively or additionally also as an air and/or liquid conduction cable.
  • the at least one coding can comprise a geometric and/or extruded profile of the cable and/or a hose and/or a grommet.
  • the mechanical and/or geometric coding can be provided by the cable having a specific geometric profile.
  • the specific geometric profile can be provided, for example, by the shape of at least one cavity and/or an opening of a cavity in the cable.
  • boundaries such as cable walls can be provided, which, for example, form the opening and the cavity.
  • the boundaries can be arranged and shaped to create the specific geometric profile.
  • the boundaries are made of plastic, for example.
  • the boundaries and/or the profile can advantageously be extruded directly onto the cable, e.g., by forming the boundaries and, in particular, walls within the cable.
  • the mechanical and/or geometric coding and/or the profile can be subsequently applied to the cable, e.g., using a guide device and/or a grommet and/or a tube.
  • the grommet can be attached to the cable from the outside.
  • the tube can also be guided inside the cable, for example. This enables simple production of the coded cable.
  • the coding can be arranged inside the cable, in particular within a cable sheath, and/or outside the cable sheath.
  • a form of coding may deviate from the (particularly original, geometric) basic shape of the cable, preferably the cylindrical basic shape of the cable, such as a cylindrical structure predetermined by the cable sheath.
  • the coding may be a structure specifically provided on the cable, which is provided on the cable specifically for the purpose of enabling the specific arrangement and/or assignment as described above.
  • the cable may optionally further comprise a grommet.
  • the grommet may have a specific profile, e.g., a particular square or rounded shape, which provides the coding.
  • the grommet may further serve to insulate and mechanically protect the electrical conductors within the cable.
  • the grommet may be made of a high-temperature-resistant material such as polyethylene or silicone and be designed to provide optimal strain relief for the conductors contained within the cable.
  • the grommet may be provided with a special coating that minimizes electrical conductivity and thus reduces the risk of short circuits.
  • the grommet may further comprise one or more chambers that serve to To separate conductors from each other and thus improve electrical insulation and/or (through the shape and/or arrangement of the chambers) to provide coding.
  • the at least one coding comprises, as an alternative or in addition to the mechanical and/or geometric coding, an electrical coding of the cable, in which a systematic arrangement of the electrical conductors of the cable is provided, so that a specific assignment of the electrical contact means of the component is predetermined for the connection.
  • This can be understood to mean that the conductors of the cable have a predetermined arrangement in which the conductors have different (in particular lateral) distances from one another according to a coding specification. These differences must also be provided accordingly in the contact means of the component, i.e. the component must have a corresponding counter coding to enable the connection. This ensures that the contacts are correctly electrically connected.
  • the electrical conductors of the cable are each designed as a stranded wire in order to form a receptacle for introducing at least one electrical contact means of the component, preferably for inserting and/or piercing the respective contact means in the form of a contacting tip, in particular in the axial direction of the cable and/or at a contacting surface.
  • the design as a stranded wire has the advantage that the stranded wire can have several individual wires which, due to their flexibility, can provide better accommodation for the contact means. In particular, the mechanical deformability of the individual wires can therefore be exploited during the connection in order to introduce the contact means into the stranded wire and to obtain reliable contact when inserting/piercing the contact means.
  • a mechanical force can be exerted on the cable or conductor in the axial direction of the cable (i.e., the longitudinal direction of the cable) or the conductor.
  • a leading contact means and/or a (possibly also leading) guide pin of the component can first be applied to the cut surface of the cable in order to then insert this contact means into an associated conductor or to insert this guide pin into at least one cavity of the cable.
  • the further contact means of the component finally touch the conductors of the cable at the cut surface.
  • the force can then be exerted in the longitudinal direction of the cable to insert/pierce the contact means into the conductors.
  • This process can also be referred to as "piercing.”
  • this is not done laterally on the cable, but axially on the cutting surface of the cable.
  • a recurring marking is provided which indicates a penetration depth of the electrical contact means, preferably in the form of piercing means.
  • the marking can, for example, be provided on the outside of a cable sheath, e.g., printed on it.
  • the marking can be repeated at fixed intervals in the longitudinal direction of the cable in order to obtain an indication, starting from the cut surface, of the depth to which the contact means have been correctly inserted after the cable has been severed. This can further simplify and reliably establish the connection.
  • the marking can also assist in orienting the cable for the connection.
  • the cable and/or the component and/or the connection system can be designed for Single Pair Ethernet (SPE).
  • SPE Single Pair Ethernet
  • Such a cable preferably has only one wire pair or only one conductor pair.
  • the cable can preferably comprise a twisted pair of wires or conductor pair.
  • the only one wire pair or conductor pair can be designed to transmit data as well as electrical current or voltage, preferably over distances of up to 1000 meters and/or at a maximum data transmission speed of 10 Mbit/s, 100 Mbit/s or 1 Gbit/s.
  • the cable can be designed to supply a terminal device with electrical current or voltage according to Power over Data Line (PoOL) and simultaneously transmit data.
  • PoOL Power over Data Line
  • the cable and/or the component and/or the connection system can be used in applications related to Industry 4.0, the Internet of Things (IoT), the automotive industry, or building automation, or be suitable for such applications.
  • the conductor pair or the wire pair preferably comprises or consists of copper or a copper alloy.
  • the cable corresponds to a single-pair Ethernet cable according to IEEE 802.3bw, preferably as this standard is valid on September 27, 2024, in particular in the Federal Republic of Germany.
  • the cable can be designed for full-duplex communication.
  • the component can preferably be a Single Pair Ethernet connector (SPE connector), in particular according to the IEC 63171 standard, preferably as of September 27, 2024, in particular with effect for the Federal Republic of Germany.
  • SPE connector Single Pair Ethernet connector
  • the component can be designed as a connector or circular connector with an M8 or M12 thread.
  • the plug assembly or the socket assembly of such a connector can have a thread for attachment, in particular to an electrical device or sensor.
  • the cable and/or the component and/or the connection system can be designed to transmit a maximum power of 50 or 60 watts.
  • conductors are preferably the conductors of the cable. In other words, they can preferably only be conductors of the plug assembly or socket assembly if it is explicitly stated that they are the conductors of the plug assembly or socket assembly.
  • coding and counter-coding two codings that interact with each other can be referred to as coding and counter-coding.
  • Embodiments of the invention are shown schematically. Specifically, variants of an electrical cable 2 are shown, which serves for connection to an electrical component 20.
  • the cable 2 can have at least one electrical conductor 4 for this purpose.
  • a connection system 1 according to Embodiments of the invention are illustrated, which may comprise the cable 2 and the component 20.
  • the sectional planes AA and GG are marked in the various views.
  • Fig. 1 the cable 2 is shown in a state in which it is fully electrically and mechanically connected to the component 20.
  • the contact means 28 are introduced into the cable 20 and in particular into the electrical conductors 4 of the cable 20 in this state in order to establish a secure mechanical and electrical contact.
  • the contact means 28 have a tip 30 for being inserted into the conductors 4.
  • the component 20 is designed here, for example, as a plug connector, possibly with a threaded screw connection arranged in the area 24, in order to be attached to a connection of a device such as a fieldbus module, actuator or sensor.
  • the cable 2 can therefore be connected to the device for transmitting electrical energy and/or data via the plug connector.
  • the design of the cable 2 can significantly simplify the connection between component 20 and cable 2.
  • structural additions to the cable 2 can be made, such as at least one coding 50 spatially formed on the cable 2.
  • the cable 2 has at least one cavity 6, which is used to form the Fig. 9 further illustrated at least one coding 50 on the cable 2 is used (cf. e.g. Fig. 9 ).
  • Such a coding 50 can also be provided on the component 20 and can then be referred to in particular as counter-coding 27 if it is designed to be complementary to the coding 50 on the cable 2.
  • the coding of the cavity 6 means that a correspondingly counter-coded pin 26, preferably guide pin 26, can only be introduced into the cavity 6 as a guide means 26 if the alignment of the component 20 with respect to the cable 2 is correct (i.e. according to a key-lock principle). Otherwise, the introduction of the pin 26 into the cavity 6 can be prevented by other parts of the cable 2. This can then also block the establishment of the connection between the cable 2 and component 20.
  • the coding 50 on the cable 2 can thus specify a specific arrangement and assignment of electrical contact means 28 of the component 20 with the electrical conductors 4 of the cable 2.
  • the at least one coding 50 may comprise a mechanical and/or geometric coding 50 of the cable 2, in which a geometric profile 7 extends in the axial direction A of the cable 2.
  • the profile 7 can be provided by a T-shaped opening of the cavity 6 on the cable 2 and a corresponding T-shaped counter-coding 27 can be provided on the component 20.
  • the cavity 6 can further It can also be designed to transmit a fluid, preferably a medium such as air or a liquid.
  • a T-shaped coding an L- or Y-shaped coding, or other forms, are also conceivable.
  • a variant of the component 20 in the form of a plug connector is shown, in which a protruding wall 40 is provided for plug mounting 40 (see also Figs. 6 and 7 ).
  • the wall 40 can, for example, be attached to a circuit board 42 of the component 20 to enable locking and/or anti-twist protection and/or sealing 44 on the cable 2.
  • This wall 40 can optionally have a locking mechanism 22 to enable secure attachment to the cable 2.
  • the cable can have the plurality of conductors 4 in the form of strands, also called stranded conductors.
  • stranded conductors can have several fine, twisted wires 12, which may be connected by a Fig. 4 are surrounded by a recognizable insulating layer (insulation).
  • This insulation is made, for example, from materials such as polyethylene or polyvinyl chloride. It can serve to insulate the conductors 4 both from each other and from the external environment. In addition, the insulation can often be color-coded to facilitate their identification and wiring.
  • a shield made of a metal braid or a metal foil can be applied around the insulated conductors 4 as filler material 10.
  • an additional inner sheath can be placed around the shield to increase the mechanical stability of the cable 2.
  • the entire cable 2 can have a robust outer sheath 8, which is preferably made of materials such as PVC, PE, or thermoplastic elastomer and can have special properties such as flame retardancy or oil resistance. This multi-layer structure enables high flexibility and robustness of the cable 2, making it suitable for a wide variety of applications.
  • the conductors can be highly flexible and provided with a 360° full shield. This full shield serves to effectively shield against electromagnetic interference (EMC) and thus ensure the integrity of the data transmission.
  • EMC electromagnetic interference
  • Further optional versions include overmolded versions of cable 2 with highly resistant PUR overmolds, which are specially designed for use in harsh environments.
  • the cables can be designed for self-assembly, i.e., they can be assembled in the field (on-site at the system). This means, in particular, that the cables themselves have the structural adaptations that allow them to be connected and and cut to the desired length. This allows the cables to be quickly adjusted or replaced as needed, without the need for special tools or expertise.
  • the electrical conductor 4 can be made of copper or aluminum, for example. Other materials such as gold, silver, carbon fiber, and conductive polymers can also be used as components of the conductor 4, depending on the application. Furthermore, composite materials made from various of these elements can also be used in specialized applications to optimize specific properties such as conductivity, weight, and corrosion resistance.
  • the at least one coding 50 can comprise a geometric and/or extruded profile 7 of the cable 2 and/or a hose (not explicitly shown) and/or a grommet.
  • the at least one coding 50 can further comprise an electrical coding 50 of the cable 2, in which a systematic arrangement of the electrical conductors 4 of the cable 2 is provided, so that a specific assignment of the electrical contact means 28 of the component 20 is predetermined for the connection.
  • Fig. 5 a corresponding coding 50 is illustrated, in which the contact means 28 of the component 20 are arranged in a corresponding manner with different lateral distances.
  • a component 20 for connection to an electrical cable 2 is shown schematically.
  • the component can have at least one electrical contact means 28 in order to make electrical contact with at least one electrical conductor 4 of the cable 2 in the axial direction A of the cable 2 or conductor 4.
  • the axial direction A or also referred to as the longitudinal direction of the cable 2 is in Fig. 1 illustrated by a vertical arrow.
  • the at least one electrical contact means 28 can be designed to make the electrical contact in the electrical cable 2—that is, in particular, within the sheath 8.
  • a further structure such as a locking and/or orientation structure 60, can be provided, for example, to further simplify the correct alignment of the component 20 with respect to the cable 2 during connection.
  • the structure 60 is formed, for example, as a groove or material recess on the component 20 and/or on the cable 2.
  • the cavity 6 of the cable 2 can also be interrupted by a connecting part 14.
  • This connecting part 14 can repeatedly interrupt the cavity 6 in the axial direction A of the cable 2. It serves in particular to seal off condensate. This has the advantage that the penetration of moisture into the cable 2 is prevented and thus functionality is ensured. Accordingly, the connecting part 14 can also serve as a sealing element.
  • a locking pin 45 is shown, which can be provided on the contact means 28 in order to fix the position on the cable 2 after the connection has been established. More generally, a locking device 45 can be provided on the component 20 or on the cable 2 in order to fix the established connection.
  • the coding 50 may comprise a first coding 51, which is provided by the shape of the cavity 6. This refers in particular to the shape of the Fig. 9 recognizable opening of the cavity 6 with the profile 7.
  • a second coding 52 can be provided, which is provided by the arrangement and/or design of the conductors 4.
  • the coding can be provided by the design of the stranded wire 4 to the tip 30 of the contact means 28 or, conversely, the counter-coding can be provided by the design of the tip 30 of the contact means 28 to the stranded wire 4.
  • the contact means 28 can be designed accordingly as a needle, which then penetrates a conductor cross-section 5 of the conductor 4 to make contact during the connection (cf. Fig. 13 ). Different lengths of the contact means 28 can also be provided for anticipating, for example, a safety contact means 29.
  • the component 20 can comprise the at least one contact means 28 in the form of a piercing means, which is designed to be pierced into an electrical conductor 4 of the cable 2 in the form of an electrical strand 4 in the axial direction A of the cable 2 or of the conductor 4.
  • Fig. 8 illustrates the bending apart of the individual wires of the strand 4 at the pin tip 30.
  • At least one of the contact means 28 can be designed as a safety contact means 29, which is designed to lead at least one or all of the other contact means 28.
  • the safety contact means 29 can contact one of the electrical conductors 4 of the cable 2 before at least one or the other of the contact means 28.
  • a recurring marking 62 can be provided on the cable 2 (e.g., every 5 mm), indicating a penetration depth of the electrical contact means 28, preferably in the form of piercing means.
  • This marking 62 can, for example, be printed.
  • the marking 62 can, for example, be provided in the form of a line or dot.
  • the marking 62 can also be a mechanical marking, which interacts, for example, with an insertion mechanism 80.
  • a connection system 1 with a component 20 and a cable 2 can be seen.
  • the component 20 can be provided for connection to an electrical cable 2.
  • the component 20 can comprise several contact means 28 for contacting conductors 4 of the cable 2.
  • the conductors 4 can be accessible from the outside for contacting the contact means 28.
  • the conductors 4 are surrounded by an insulating sheath 11 and are thus part of cables 13, specifically stranded cables 13 (see Fig. 13 ). Both the contact means 28 and the conductors 4 are electrically conductive.
  • the conductors 4 can each have an exposed conductor cross-section 5 for contacting (see Figs. 13 and 14 ).
  • connection system 1 can be designed to contact the contact means 28 with the conductors 4 in the axial direction A of the cable 2 or conductor 4 in order to electrically connect the contact means 28 directly to the exposed conductor cross-sections 5.
  • the contact means 28 each have a tip 30 and/or are needle-shaped.
  • the conductors 4 can be contacted by the contact means 28 being pierced through the exposed conductor cross-sections 5 in the axial direction A.
  • a contacting surface 9 is provided on the cable 2, at which the conductors 4 are accessible for contacting with the contact means 28.
  • the contacting surface 9 can be located in a cutting plane of the cable 2, which has been created, for example, by cutting the cable 2 at this point. It can be seen that the conductors 4 extend there from the interior of the cable 2 to the outside (see Figs. 13 and 14 ) or protrude (see Fig. 12 ) and are therefore visible and accessible from outside the cable 2.
  • the respective exposed conductor cross-section 5 is also in the cutting plane.
  • the conductors 4 can each form a line 13 with a surrounding insulating sheath 11, wherein the lines 13 protrude from the contacting surface 9 (see Fig. 12 ) or flush with it ( Figs. 13 and 14 ). Furthermore, the solution according to embodiments of the invention can avoid stripping, so that the protruding conductors 4 and/or the exposed conductor cross-sections 5 continue to be completely or partially surrounded by the insulating sheath 11. However, the protruding lines 13 can be at least partially or completely freed from a cable sheath 8 of the cable 2 over their entire circumference (see Fig. 12 ).
  • the connection system 1 can be Fig. 12 illustrated guide device 70, which is formed separately from the cable 2 and the component 20 and/or with the Cable 2 and/or component 20 is movably or detachably connected.
  • the guide device 70 can be designed to mechanically guide the contact in the axial direction A of the cable 2, and preferably to guide the conductors 4, in particular the lines 13, and/or the contact means 28 for contact in the axial direction A of the cable 2.
  • the guide device 70 can provide a linear guide for the cable 2 and/or the component 20. If the component 20 and the cable 2 move relative to one another in a linearly guided manner for contact, this can also be referred to as a contact movement.
  • the guide device 70 may comprise a guide housing 72 with a guide structure 71.
  • the guide structure 71 is in Fig. 12 specifically in the form of openings of the guide housing 72 in order to provide the mechanical guidance for the respective conductors 4, in particular lines 13, and/or contact means 28.
  • the guide structure 71 can be designed as shown in Fig. 12 shown to receive the conductors 4, in particular lines 13, on a first side 76 of the guide housing 72 and to receive the contact means 28 on another, opposite (and facing away from the first side 76) second side 77 of the guide housing 72.
  • the lines 13 in Fig. 12 may have different colors and thus be color-coded. Corresponding colors may also be provided in the area of the openings 71 to facilitate identification.
  • At least one coding 50 or counter-coding 27 with the properties as described above can also be provided on the guide device 70, e.g. in the form of a guide sleeve.
  • an O-ring or a sealing lip on the guide device 70 is conceivable as a sealing element.
  • a locking lug or a locking hook (not explicitly shown) can serve as a locking element.
  • a projection or a groove can serve as anti-twist protection.
  • An insertion mechanism 80 is shown by way of example, which can be arranged on the guide structure 71 for controlling the contacting movement in order to insert the at least one or more electrical contact means 28, each with a predetermined penetration depth 90, into the associated electrical conductor 4 in an axial direction A of the conductor 4 and/or the cable 2.
  • the insertion mechanism 80 can be designed to insert, in particular to pierce, the respective contact means 28 in a linear manner by the contacting movement into the associated electrical conductor 4 with the predetermined penetration depth 90, in particular puncture depth 90, wherein the predetermined penetration depth 90 is preferably in the range from 0.5 mm to 10 mm, preferably 1 mm to 6 mm, preferably 2 mm to 4 mm.
  • the insertion mechanism 80 can further comprise a pressure element 81 and a transmission arrangement 82.
  • the transmission arrangement 82 can be connected to the pressure element 81 in a force-transmitting manner in order to set the pressure element 81 in motion when manual or mechanical force is applied to the transmission arrangement 82.
  • the pressure element 81 can insert, preferably pierce, the respective electrical contact means 28 into the associated electrical conductor 4 via the contacting movement.
  • a travel path 93 for the pressure element 81 between a starting position 91 and an end position 92 can be determined by the predetermined penetration depth 90 and/or be structurally predetermined.
  • an adjustment mechanism 84 can be provided in order to adjust the predetermined penetration depth 90 and preferably the travel path 93 in the insertion mechanism 80, preferably depending on a cable type of the cable 2 and/or continuously and/or in several predefined steps.
  • Fig. 15 schematically illustrates that the insertion mechanism 80 can be designed as a lever mechanism 80, in which a transmission arrangement 82 comprises a lever arm 82.
  • a transmission arrangement 82 comprises a lever arm 82.
  • This can serve to transfer a manual or mechanical force exerted on the transmission arrangement 82 into the controlled contacting movement, in which the control is carried out in such a way that the contacting movement is guided linearly and/or the penetration depth 90 is predetermined and/or controlled and/or limited and/or the predetermined and/or a current penetration depth 90 is indicated to a user.
  • a Fig. 15 illustrated indexing device 83 may be provided to visually, haptically or acoustically indicate a current penetration depth 90 during the contacting movement.
  • the insertion mechanism 80 can further comprise a nut 85, preferably a union nut 85, which is designed to establish a mechanical connection between the component 20 and the cable 2 and for this purpose is screwed onto a thread 86.
  • a transmission arrangement 82 can be provided, which is designed to transmit a movement, in particular a rotational movement, of the nut 85 on the thread 86 to a pressure element 81.
  • the pressure element 81 can be arranged and guided in the region of a guide space 87 in order to move through the guide space 87 of the guide structure 71 by means of the transmitted movement along a longitudinal axis of the thread 86 in order to thereby exert a force for introducing the electrical contact means 28, wherein the guide space 87 is designed to receive a part of the component 20 and/or the at least one electrical contact means 28.
  • a holding element 88 may be provided which is firmly connected to the pressure element 81 in order to limit the contacting movement when the holding element 88 meets a counter-holding element 89.
  • Fig. 11 1 schematically illustrates a method 100 for establishing a connection between a cable 2 and a component 20 according to exemplary embodiments of the invention.
  • a connection system 1 is provided with the cable 2 and the component 20 and a guide device 70, wherein the component 20 comprises at least one or more contact means 28, each for contacting an associated conductor 4 of the cable 2.
  • a conductor cross-section 5 of the respective conductor 4 can be exposed and accessible from the outside.
  • the respective contact means 28 is inserted through the exposed conductor cross-section 5 of the associated conductor 4 in order to establish contact between the contact means 28 and the conductor 4.
  • the insertion can be guided linearly by the guide device 70. Furthermore, the insertion 102 can be controlled by an insertion mechanism 80 such that the respective contact means 28 is inserted with a predetermined penetration depth 90 into the associated conductor 4 in an axial direction A of the conductor 4 and/or the cable 2.
  • the Figure 17 schematically shows an embodiment of the connection system 1 according to the invention, which comprises an embodiment of the component 20 according to the invention and an embodiment of the cable 2 according to the invention.
  • the cable 2 has a plurality of spaced-apart strain relief contours 172.
  • the strain relief contours 172 are designed as circumferential grooves and are evenly spaced from one another along the cable 2.
  • a strain relief 171 of the component 20 engages in such a strain relief contour 172, wherein the strain relief 171 is formed integrally with the component 20 and prevents accidental pulling on the cable 2 from leading to an unwanted release of the electrical connection between the cable 2 and the component 20.
  • the electrical connection is established by means of pointed contact means, each of which is pierced into only one predetermined electrical conductor of the cable.
  • the electrical conductors of the cable 2 extend in a twisted manner. to each other along the extension of the cable 2.
  • the cable 2 further has a coding 50 which interacts with a counter coding of the component 20 such that the contact means of the component 20 only come into electrical contact with the electrical conductors provided for this purpose during the establishment of the electrical connection between the component 20 and the cable 2, in that the coding 50 and the counter coding together form a guide and prevent any other contact between the conductors and the contact means.
  • the coding 50 of the cable 2 is designed on the circumference of the cable as a helical or thread-shaped groove running in the extension direction of the cable 2. Alternatively, a bead running in this way can be provided instead of a groove.
  • the coding 50 has a continuous course along the extension direction of the cable 2 and has the same relative position to the electrical conductors of the cable 2 at every point along the extension of the cable 2, transversely or perpendicularly to the extension direction of the cable 2.
  • the cable 2 can be shortened to a desired length at any point along the cable 2 in order to establish an electrical connection between the cable 2 and the component 20, since the constant relative position along the cable ensures the desired electrical contact.
  • the contact surface 9, at which the contact means are pierced into the conductors of the cable, is formed at the cable end 217.
  • the Figure 18a shows a schematic of an embodiment of the component 20 according to the invention.
  • the contact means 28 for contacting the electrical conductors of the cable can be seen.
  • the contact means 28 lead electrically to contact conductors 180 of a plug 181 of the component 20, where the contact conductors 180 form a plug arrangement 181.
  • the course of the guide from the contact means 28 to the contact conductors 180 of the plug 181 is not straight, but is angled at least once, preferably perpendicularly, whereby the plug 181 is formed on a side of the component 20 that runs transversely or perpendicularly to the insertion direction of the cable 2.
  • a socket with a socket arrangement can be provided.
  • the Figure 18b shows a further schematic embodiment of the component 20 according to the invention, which differs from the embodiment of Figure 18a differs in that the plug 181 is formed on a side of the component 20 that faces away from the side of the component 20 on which the cable can be electrically contacted with the contact means 28. Furthermore, the course of the guide from the contact means 28 to the contact conductors 180 of the plug 181 is designed such that the arrangement and/or assignment of the contact conductors 180 of the plug 181 differs from that of the contact means 28.
  • the Figure 19a shows an embodiment of a connection system 1.
  • a strain relief 171 is formed by means of a shrink tube 191.
  • the shrink tube 191 also serves to seal the electrical connection between the cable 2 and the component 20.
  • the shrink tube 191 engages in a circumferential groove that forms the strain relief contour 172.
  • the shrink tube is attached to the component 20.
  • the Figure 19b shows a further embodiment of a connection system 1.
  • the cable 2 has a microencapsulation 193, which, upon contact with an activating substance 194, releases a sealing compound that seals the electrical connection between the cable 2 and the component 20 from the environment.
  • an activating substance 194 releases a sealing compound that seals the electrical connection between the cable 2 and the component 20 from the environment.
  • the component 20 it is also possible for the component 20 to have the microencapsulation, while the cable 2 has the activating substance 194.
  • the activation i.e. the release of the microencapsulation, takes place by means of heat, light, radiation, or another suitable means.
  • the Figure 19c shows a further embodiment of a connection system 1.
  • a sealing space 198 in the component which is delimited by the cable 2 and the component 20, is sealed from the environment by means of a sealing compound 195.
  • the component 20 has a filling opening 196 for filling the sealing compound 195.
  • the component 20 can have an outlet opening 197 through which the filled sealing compound 195 can exit when the sealing space 198 is already filled with the sealing compound 195.
  • the contact means are shown in the Figures 17 and 19a to 19c not displayed or not visible due to the selected display.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP24206535.7A 2023-10-27 2024-10-14 Dispositif de guidage pour aider à la réalisation d'une connexion électrique Pending EP4572020A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023129767.8A DE102023129767A1 (de) 2023-10-27 2023-10-27 Führungsvorrichtung zur Unterstützung einer Herstellung einer elektrischen Verbindung
DE102024115858.1A DE102024115858A1 (de) 2023-10-27 2024-06-06 Kabel, Steckverbinder, Anschlusssystem, elektrische Schaltung und Datennetzwerk

Publications (2)

Publication Number Publication Date
EP4572020A2 true EP4572020A2 (fr) 2025-06-18
EP4572020A3 EP4572020A3 (fr) 2025-08-20

Family

ID=93014238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24206535.7A Pending EP4572020A3 (fr) 2023-10-27 2024-10-14 Dispositif de guidage pour aider à la réalisation d'une connexion électrique

Country Status (1)

Country Link
EP (1) EP4572020A3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020990C2 (de) * 1980-06-03 1983-02-03 Minnesota Mining and Manufacturing Co., 55133 Saint Paul, Minn. Elektrische Anschluß- oder Verbindungsklemme für nicht abisolierte Leitungsenden
DE19913007C2 (de) * 1999-03-23 2002-09-12 Phoenix Contact Gmbh & Co Anschluß- oder Verbindungseinrichtung und Verfahren zum Kontaktieren eines Kabels
CN100367566C (zh) * 2004-07-29 2008-02-06 威德米勒界面有限公司及两合公司 连接装置

Also Published As

Publication number Publication date
EP4572020A3 (fr) 2025-08-20

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