EP3599670A1 - Douille de connecteur, broche de connecteur et connecteur - Google Patents

Douille de connecteur, broche de connecteur et connecteur Download PDF

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Publication number
EP3599670A1
EP3599670A1 EP19170995.5A EP19170995A EP3599670A1 EP 3599670 A1 EP3599670 A1 EP 3599670A1 EP 19170995 A EP19170995 A EP 19170995A EP 3599670 A1 EP3599670 A1 EP 3599670A1
Authority
EP
European Patent Office
Prior art keywords
hollow body
plug
socket
pin
plug pin
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
EP19170995.5A
Other languages
German (de)
English (en)
Inventor
Christoph Baumgartner
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.)
Intercable Automotive Solutions GmbH
Original Assignee
Intercable 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
Application filed by Intercable GmbH filed Critical Intercable GmbH
Publication of EP3599670A1 publication Critical patent/EP3599670A1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to a plug socket, a plug pin and a plug, in particular for the transmission of high currents. Furthermore, the invention relates to a vehicle with such a plug, a manufacturing method for a plug socket and a manufacturing method for a plug pin.
  • a connector connection can be used to hold or lock and disconnect or unlock. In particular, this can be used sensibly with live connections.
  • the design of the connector can depend in particular on the respective requirements and the intended use.
  • the currents to be transmitted, the environmental influences, such as moisture, shocks or temperature, and the frequency of connection and disconnection can influence the connector design.
  • the plug should offer a reliable contact between the two elements of the socket and the plug pin, so that there is always a constant electrical connection.
  • Plug sockets and plug pins can be machined so that the tolerances between the two components are small and there is good contact. Furthermore, the connection between the socket and the plug pin can be made via a ring spring, which creates a conductive connection at several points and can simultaneously compensate for vibrations or temperature influences.
  • a first aspect of the invention relates to a plug socket, in particular for the transmission of high currents, for a plug of a vehicle.
  • This plug socket has a tubular hollow body which has a first end and a second end and is set up to receive a plug pin.
  • a groove is provided which is formed between the first and the second end through the inner circumferential surface of the hollow body in the circumferential direction thereof.
  • the plug socket has an annular spring which is arranged in the groove for electrical contacting of the plug pin which can be inserted into the hollow body, the tubular hollow body being formed at least in sections to form the groove into an outwardly directed bulge.
  • the connector is particularly suitable for the transmission of high currents, e.g. 500 A at 1000 V.
  • the plug socket can be made reshaping, for example by beading rollers or hydraulic expansion. ie the raw material is changed in shape without adding or removing material.
  • the connector socket can thus be manufactured quickly, easily, in a material-saving, weight-optimized and inexpensive manner.
  • a groove can be made from the inside into a hollow body, such as a tube (with different cross sections).
  • a hollow body blank, for example a tube can be used as a Serve starting material for the plug socket.
  • the connector can be cut to the desired length on the one hand before the groove is inserted and on the other hand after the groove has been inserted.
  • the groove can be made all the way around the outer surface of the hollow body and is parallel to the detachable contact.
  • the groove for the ring spring can also not be parallel to the detachable contact.
  • the groove can be configured to receive an annular spring. This ring spring can then establish the electrically conductive connection between a plug pin and the socket. The current can flow through the windings of the ring spring and the respective contact surfaces of the inner surface of the socket and the outer surface of the plug pin.
  • the ring spring can compensate for tolerances, both on the socket and on the plug pin. These tolerances can be caused by manufacturing (manufacturing), temperature fluctuations (temperature expansion), vibrations or wear (wear).
  • the hollow body has an opening for receiving the plug pin, which forms the releasable contact.
  • the other end of the hollow body can form a fixed contact, which can be connected to an electrical line.
  • the fixed contact can, for example, be crimped, welded or soldered to a busbar or a cable.
  • the hollow body can have an angle so that the releasable contact and the fixed contact are not on a straight line.
  • the ring spring makes an electrical contact between the plug socket and the plug pin in several points, as a result of which current can flow. Furthermore, it should be noted that ring springs with a different number of turns can be inserted into the groove, that is to say with a different number of contact points. By inserting the plug pin into the socket, the ring spring is in the radial direction compressed and this exerts a counterforce on the groove of the socket and the detachable contact of the plug pin, so that a reliable contact can be ensured.
  • a bulge is introduced into the outside of the outer surface of the hollow body by means of the deformation, which bulge extends outward from the surface of the outer surface away from the outer surface to form the groove in the interior of the hollow body.
  • the groove is an inner groove, so that the inner diameter of the hollow body is smaller than the inner diameter of the groove.
  • the ring spring and the groove have mutually coordinated dimensions and the ring spring is at least displaceable or deformable when the plug pin is inserted into the hollow body by the plug pin such that the plug pin can be inserted over the ring spring arranged in the groove.
  • the hollow body is formed by hydraulic expansion or beading to form the groove.
  • the hollow body has a plurality of mutually parallel grooves between the first and the second end.
  • a sealing element is arranged in at least one of the grooves, which is made of a different material than the ring spring.
  • At least three grooves are formed in the hollow body and the ring element is arranged in at least one of the outer grooves of the at least three grooves related to the first and / or second end.
  • the first or second end of the hollow body is connected to a conductor, for example in the form of a plate-shaped or sheet-shaped contact part, which is set up for attaching an electrical line.
  • the end can in particular be integrally connected to the contact part.
  • the contact part has a through opening in which the end of the hollow body is arranged at least in sections.
  • an inner circumferential surface and / or an outer circumferential surface of the hollow body is coated with a second metal material which has a higher electrical conductivity than a first metal material from which the hollow body is made.
  • the plug socket is made from a tube by means of forming.
  • the tube can serve as a starting material.
  • the tube is first cut to length and then the groove is formed by means of forming, or else that the groove is formed by means of forming and then the tube is cut to length with the groove.
  • the hollow body is a drawn tube, which is cut to length and then the inner groove is introduced by means of forming.
  • the hollow body is preferably cylindrical.
  • the hollow body can also have other shapes and cross sections.
  • the hollow body can have an oval, a triangular or a square cross section.
  • the respective Hollow bodies can also have different cross sections. Reverse polarity protection can thus be achieved.
  • the groove is introduced into the lateral surface of the hollow body by means of hydraulic expansion or beading rollers.
  • the fixed contact part is set up to be connected to an electrical line by means of crimping, welding or soldering.
  • the cross section of the fixed contact part of the plug socket can be changed in particular by crimping.
  • the cross sections of the plug socket and / or the plug pin thus relate to cross sections before the fixed contact part has been contacted. In other words, the cross section relates to a manufactured socket.
  • the fixed contact part similar to a tubular cable lug, is flattened in order to form a connection lug.
  • This connection lug can then be welded, soldered or screwed in order to make contact with an electrical line.
  • the fixed contact part has an angle between 90 ° and 180 ° with respect to the releasable contact.
  • the socket can form an angle.
  • the connector can therefore be used in a variety of ways, depending on the respective application scenario.
  • the hollow body also has at least one second groove with a second ring spring, which is arranged parallel to the groove with the ring spring.
  • a larger contact area can be produced by the second groove and / or redundancy in the plug can be achieved.
  • the second groove can also not run parallel to the groove.
  • three, four or more ring springs can also be arranged in corresponding grooves in the plug socket.
  • the plug socket also has an inner and an outer contact protection.
  • the touch guard is designed to prevent a person from touching a live part of the socket with a finger. The protection against accidental contact can increase safety when handling the plug, since a person can touch areas of the plug socket that are no longer live with their hands.
  • the touch protection of the plug socket can for example be made of an insulating material such as Plastic.
  • the touch guard can have an outer housing and an inner pin. It can thus be effectively prevented that the person can touch a current-carrying area of the plug socket with his finger. It should be noted that the touch protection of the plug socket is matched to the touch protection of the corresponding plug pin, and vice versa, so that the plug socket can accommodate the plug pin with touch protection.
  • a connector pin in particular for the transmission of high currents, for a connector of a vehicle. It has a tubular hollow body which has a first end and a second end and is set up for insertion into a plug socket. An electrically insulating cap is provided, which is arranged at the first end of the hollow body, the hollow body being able to be connected to a plate-shaped or sheet-shaped contact part at the second end of the hollow body opposite the cap, which is set up for attaching an electrical line.
  • the tubular hollow body has a contact surface which is produced by pulling a tube without having been machined additionally (after and / or before), in particular without turning or grinding.
  • the cap engages around the first end of the hollow body in sections, and a radial outside of the cap is essentially flush with an outer lateral surface of the hollow body.
  • the cap is held on the first end of the hollow body in a positive, non-positive or positive and non-positive manner.
  • an inner circumferential surface and / or an outer circumferential surface of the hollow body is coated with a second metal material which has a higher electrical conductivity than a first metal material from which the hollow body is made.
  • the hollow body has an arithmetic mean roughness value, Ra, of 0.5 to 1.1, preferably of 0.8, on an outer lateral surface, which at least in sections forms a contact section for electrical contacting with the plug socket.
  • the plug pin can have a fixed contact with a first outer diameter and a detachable contact with a second outer diameter. However, both diameters can also be identical.
  • the detachable contact of the plug pin is set up to be received by a detachable contact of a plug socket. If the first outer diameter of the fixed contact or of a hollow body is larger than the second outer diameter of the releasable contact, the second outer diameter of the releasable contact can be produced by reshaping, in that the hollow body is correspondingly compressed, pressed or compressed.
  • the plug pin can also be produced by means of forming.
  • the plug pin can, for example, form a releasable contact with a second, smaller outer diameter than the first outer diameter of the hollow body from a tube by compressing, compressing or pressing.
  • This means that the connector pin can be manufactured simply, quickly, weight-optimized, material-saving and cost-effective.
  • the heat loss can be dissipated through a hollow connector pin, since the surface is enlarged.
  • the second outer diameter of the detachable contact is advantageously smaller than the inner diameter of the corresponding plug socket.
  • the connector pin is a hollow body and the connector pin is produced from a tube by means of forming.
  • the tube can be a tubular cable lug.
  • the hollow body of the plug pin is preferably cylindrical.
  • the hollow body can also have other shapes and cross sections.
  • the hollow body can have an oval, a triangular or a square cross section.
  • the respective hollow bodies can also have different cross sections. Reverse polarity protection can thus be achieved.
  • the plug pin also has a touch guard in the form of a cap.
  • the touch guard is designed to prevent a person from touching a current-carrying part of the plug pin with a finger.
  • the protection against accidental contact can increase the safety when handling the plug, since the person can no longer touch live areas of the plug pin with their hands.
  • the touch protection of the plug pin can for example consist of an insulating material such as plastic, furthermore the touch protection can have an inner lining of the plug pin and a collar, the collar protruding beyond the end of the releasable contact of the plug pin.
  • the distance between the collar and the releasable contact of the plug pin can be designed in such a way that the plug socket can be accommodated with touch protection, but a person's finger does not fit into this distance. This can prevent a person from touching a current-carrying area of the plug pin with his finger.
  • the touch protection of a connector pin can have a larger inner diameter than the contact-carrying outer diameter of the connector pin.
  • the contact protection thus has a securing mechanism which is set up to release the plug connection only when a separating force on the plug exceeds a predefined threshold value, which is significantly higher than the pure displacement force of the plug pin in the plug socket.
  • the touch protection of the plug pin and the socket can be designed to interact with each other, so that a safety mechanism against unintentional opening can be implemented.
  • the plug has a plug pin described above and below and a plug socket described above and below.
  • the plug socket and the plug pin together form the plug.
  • This connector can be used to selectively connect and disconnect two current-carrying elements, such as an electrical cable.
  • the plug can be used in particular in a vehicle to connect battery elements or the battery to the vehicle electrical system, but is not limited to this.
  • the plug socket can also interact with a plug pin, which has not been produced in a reshaping manner, as a plug.
  • the connector pin can be produced in the latter case by means of a machining manufacturing process.
  • the plug socket, the plug pin and / or the plug are made of copper and, if appropriate, are at least partially coated with a conductive material.
  • the socket and the plug pin can also consist of the other conductive material such as a metal, such as silver, aluminum or gold, or an alloy.
  • Another aspect of the invention relates to a vehicle with a connector described above and below.
  • the plug can in particular be used to connect battery elements or the battery to the vehicle electrical system.
  • Fig. 1 shows a perspective view of a socket 10.
  • the socket 10 is essentially a cylindrical hollow body 13 with a first and a second end. It should be noted that the hollow body 13 can also have a different cross section, for example oval, triangular or square. In particular, different geometries can be provided for the plug socket 10 as reverse polarity protection.
  • the first end here forms a fixed contact 11, which can be firmly connected to an electrical conductor, for example a cable or a busbar.
  • the connection to an electrical conductor can be made by crimping, welding or soldering, or the fixed contact 11 is flattened, so that a connecting lug is created.
  • the second end of the hollow body 13 forms a releasable contact 12 and is set up to receive a plug pin.
  • a circumferential groove 15 which was introduced into the outer surface of the hollow body by means of forming.
  • the groove 15 can be introduced into the lateral surface of the hollow body 13 by means of hydraulic expansion or beading rollers. Furthermore, the groove 15 is parallel to the end of the releasable contact 12.
  • the groove 15 is an inner groove, so that the inner diameter of the hollow body is smaller than the inside diameter of the groove 15. Furthermore, the groove is set up to accommodate an annular spring, so that a current flow between the plug pin and the socket 10 is possible via the annular spring.
  • the hollow body 13 can be, for example, a drawn tube, into which the groove is subsequently introduced. Furthermore, the hollow body 13 can consist of a conductive material, preferably copper.
  • the heat can be dissipated better through the hollow body 13, since the surface is significantly enlarged in contrast to a solid body.
  • Material can be saved by producing the groove by means of forming, since the wall thickness of the hollow body 13 can be reduced in comparison to a milled part or a turned part. Furthermore, the material saving leads to a weight and cost reduction.
  • the waste can also be reduced by a reshaping process for manufacturing. Furthermore, the machining time can be reduced in comparison to the machining by shaping and thus the manufacturing costs can be reduced.
  • Fig. 2 shows a quarter-sectional view of the socket 10. Furthermore, in Fig. 2 the hollow body 13 can be seen. This has two ends and is made hollow throughout.
  • the hollow body 13 can be a tube.
  • the first end of the hollow body can form a fixed contact 11 and the second end can form a releasable contact 12.
  • the fixed contact 11 is located on the side facing away from the groove 15.
  • This fixed contact 11 is set up to be connected to an electrical conductor, such as a cable or a busbar, by means of crimping, welding or soldering.
  • the fixed contact 11 can also be flattened like a tubular cable lug in order to form a connecting lug.
  • the groove 15 is set up to receive an annular spring.
  • the detachable contact 12 can be set up to receive a plug pin, so that a current flow via the ring spring between the plug pin and the socket is possible. Furthermore, a groove 15 is made in the hollow body 13 by means of forming. This groove 15 is arranged all around and parallel to the detachable contact 12.
  • the hollow body 13 from Fig. 2 has, for example, an outer diameter of 20 mm.
  • the wall thickness of the hollow body is, for example, 2.25 mm, which results in an inner diameter of 15.5 mm.
  • a phase on the fixed contact 11 and on the detachable contact 12 can also be recognized, which facilitates the insertion of the plug pin or the cable.
  • the plug socket 10 can consist of a conductive material, for example copper. However, other metals or alloys, such as iron, aluminum, silver or gold, are also conceivable.
  • the total length of the socket 10 Fig. 2 is, for example, 49.5 mm, the center of the groove being, for example, 43 mm from the fixed contact 11 and 6.5 mm from the releasable contact 12.
  • Fig. 3 shows a detailed view from point A.
  • Fig. 2 the groove 15 can be seen in the hollow body 13 of the socket 10.
  • the groove 15 was introduced into the socket 10 by means of forming, for example hydraulic expansion or beading rollers.
  • the deformation results in a bulge on the outside of the outer surface of the hollow body 13, which extends outward from the surface of the outer surface away from the outer surface to form the groove 15 in the interior of the hollow body 13.
  • the groove 15 can have an angle between the two groove inner surfaces of approximately 135 °. It should be noted that the deformation exerts a pressure on the hollow body 13, which leads to the hollow body 13 being partially deformed and forming the groove 15.
  • the groove can have a width of 3.55 mm and a maximum depth of 2.4 mm.
  • Fig. 4 shows a ring spring 5 for insertion into a socket.
  • This ring spring 5 consists of a conductive material, such as copper, a copper alloy or silver. Furthermore, the ring spring 5 forms a torus, which has a hole in the middle which can accommodate a plug pin. Furthermore, the ring spring 5 is constructed spirally. In other words, a coil spring is connected at its two end points, so that an annular spring 5 is formed.
  • the ring spring 5 can transmit current between the plug socket and the plug pin via each of its contact points and can at the same time compensate for their tolerances, so that good contact is always guaranteed.
  • the ring spring 5 When the plug pin is inserted into the plug socket, the ring spring 5 is compressed by the releasable contact of the plug pin and thus exerts a counterforce on the groove of the plug socket and on the releasable contact of the plug pin.
  • Fig. 5 shows a connector pin 20 for a connector.
  • the plug pin 20 has a hollow body 23 with a first and a second end.
  • the hollow body 23 can have, for example, an oval, round, triangular or square cross section.
  • different geometries can be provided for the connector pin 20 as reverse polarity protection.
  • the first end of the hollow body 23 forms the fixed contact 21, which can be firmly connected to an electrical conductor, for example a cable or a busbar.
  • the connection to an electrical conductor can be made by crimping, welding or soldering, or the fixed contact 21 is flattened, so that a connecting lug is created.
  • the second end of the hollow body 23 forms a releasable contact 22 and is set up to be received by a plug socket.
  • the Fig. 5 it can be seen that the outer diameter of the releasable contact 22 is smaller than the outer diameter of the hollow body 23.
  • the outer diameter of the hollow body 23 is reduced accordingly by means of reshaping, for example pressing, in order to obtain the outer diameter of the releasable contact 22.
  • the hollow body 23 can be, for example, a drawn tube, in which the outer diameter is subsequently reduced accordingly.
  • the hollow body 23 can consist of a conductive material, preferably copper. The heat can be better dissipated through the hollow body 23 since the surface is enlarged.
  • Material can be saved by producing the plug-in pin 20 by means of forming, since the wall thickness of the hollow body 13 can be reduced in comparison to a milled part or a full part. Furthermore, the material saving leads to a weight and cost reduction. Can also by one reshaping process for manufacturing the waste is reduced. Furthermore, the machining time can be reduced in comparison to the machining by shaping and thus the manufacturing costs can be reduced.
  • Fig. 6 shows a quarter-sectional view of the connector pin 20.
  • the hollow body of the connector pin 20 can be seen. This has two ends and is made hollow throughout.
  • the hollow body can be a tube.
  • the first end of the hollow body can form a fixed contact 21 and the second end can form a releasable contact 22.
  • the fixed contact 21 or the hollow body have a first outer diameter d1.
  • the detachable contact 22 has a second outer diameter d2, which is smaller than the first outer diameter d1.
  • the second outer diameter d2 or the releasable contact 22 are produced from the hollow body 23 by means of forming.
  • This fixed contact 21 is set up to be connected to an electrical conductor, such as a cable or a busbar, by means of crimping, welding or soldering.
  • the fixed contact 21 can be flattened like a tubular cable lug to form a connection lug.
  • the first outer diameter d1 is described before the connection to the electrical line, since the cross section of the fixed contact 21 is subsequently changed, in particular during crimping.
  • the hollow body out Fig. 6 has, for example, a first outer diameter d1 of 20 mm.
  • the wall thickness of the hollow body can be 2.25 mm, which results in an inner diameter of 15.5 mm on the fixed contact 21.
  • the second outer diameter can be 15 mm, so that the plug pin 20 can be received through the plug socket.
  • a phase can also be seen on the fixed contact 21, which facilitates the insertion of the cable.
  • the tip of the detachable contact 22 has a radius of, for example, 2.5 mm. This radius is also introduced into the releasable contact 22 of the connector pin 20 by means of shaping. In particular, the radius can be present if the connector pin has no protection against accidental contact. This can facilitate the insertion into the socket.
  • the connector pin 20 can consist of a conductive material, for example copper. However, other metals or alloys, such as iron, aluminum, silver or gold, are also conceivable.
  • the total length of the connector pin 20 Fig. 6 can be 55 mm, the fixed contact 21 having a length of 35 mm and the releasable contact 22 having a length of 14 mm. There is a transition region between the fixed contact 21 and the releasable contact 22, in which the hollow body merges from the first outer diameter d1 into the second outer diameter d2.
  • Fig. 7 shows a connector 1, in particular a connector 1 for transmitting high currents for a vehicle.
  • the plug 1 has a plug socket 10 with an annular spring 5 in a groove and a plug pin 20.
  • the plug pin 20 can be received by the plug socket 10, with which the plug 1 can be closed and an electrical contact is made.
  • the two parts are joined along their longitudinal axis.
  • the connector 1 can be disconnected again, so that no more current flows between the connector socket 10 and the connector pin 20.
  • a high current can flow via the plug 1, for example 500 A at 1000 V.
  • the contact between the detachable contact of the plug socket 10 and the detachable contact of the plug pin 20 is established via the ring spring 5.
  • the ring spring 5 can be used to make contact with many contact points, as a result of which there is reliable contact between the plug socket 10 and the plug pin 20.
  • Fig. 8 shows a sectional view of the closed plug 1.
  • the detachable contact 22 of the plug pin 20 is in the detachable contact 12 of the socket 10.
  • the ring spring 5 is arranged in the groove of the socket 10 and surrounds the plug pin 20, so that there is electrical contact between the socket 10 and the plug pin 20.
  • the total length of the connector 1 in Fig. 8 can amount to 90 mm, for example, 35 mm being taken in each case by the hollow body or the fixed contacts 11, 21 of the plug socket 10 or the plug pin 20.
  • the detachable contact 22 of the plug pin 20 has a length of 12 mm the second outer diameter, which is smaller than the inner diameter of the detachable contact 12 of the plug socket 10. In the middle of this piece, the ring spring 5 contacts the detachable contact 22 of the plug pin 20.
  • Fig. 9 shows an isometric view of the detached plug 1.
  • the ring spring 5 is arranged in the groove 15 of the socket 10 and set up to receive the detachable contact 22 of the plug pin 20.
  • Fig. 10 shows a plug socket 10 with a touch guard 14, 14a, 14b.
  • This touch guard 14, 14a, 14b consists of an insulator (for example a plastic) and surrounds the current-carrying areas of the plug socket 10, so that a finger 3 of a person cannot touch any current-carrying area of the plug socket 10.
  • the touch guard 14, 14a, 14b can consist of a housing 14a and an inner pin 14b, so that the finger 3 cannot be inserted into the socket 10.
  • the housing 14a encloses the socket 10 and the inner pin 14b is arranged centrally within the hollow body of the socket 10.
  • Fig. 11 shows a connector pin 20 with a touch guard 24, 24a, 24b.
  • This contact protection 24, 24a, 24b consists of an insulator and surrounds current-carrying areas of the plug pin 20, so that a finger 3 of a person cannot touch a current-carrying area of the plug pin 20.
  • the contact protection 24, 24a, 24b can consist of a collar 24a, which surrounds the connector pin 20, and an inner lining 24b for the interior of the connector pin 20, so that the finger 3 cannot reach the connector pin 20.
  • the collar 24a has a larger inner diameter than the outer diameter of the releasable contact 22 of the plug pin 20. In other words, the collar 24a surrounds the detachable one Contact 22 of the connector pin 20 with a certain distance.
  • the inner lining 24b rests on the inside of the releasable contact 22 of the plug pin 20 and projects beyond the end of the releasable contact 22, so that a finger 3 of a person cannot touch the inside of the
  • Fig. 12 shows an isometric view of the plug pin 20 and the socket 10 with touch protection 14, 14a, 14b, 24. 24a, 24b in the open or separated state.
  • the plug socket 20 including the touch guard fits into the collar 24a of the touch guard 24 of the plug pin 20.
  • the respective fixed contacts are connected to an electrical line.
  • Fig. 13 shows a sectional view of the plug pin 20 and the socket 10 with touch protection 14, 14a, 14b, 24, 24a, 24b in the open state.
  • the plug pin 20 fits into the socket 10
  • the touch protection 24, 24a, 24b of the plug pin 20 accommodates the socket 10 including its touch protection 14, 14a, 14b and the inner pin 14b of the touch protection 14 of the socket 10 in the hollow releasable contact of the connector pin 20 can be inserted.
  • the housing 14a of the touch guard 14, 14a, 14b of the plug socket 10 fits into the collar 24b of the touch guard 24, 24a, 24b of the plug pin 20.
  • Fig. 14 shows a sectional view of the plug pin 20 and the socket 10 with the contact protection 14, 14a, 14b, 24, 24a, 24b in the closed state.
  • the plug 1 and its current-carrying areas cannot be touched by a person's finger either in the open or in the closed state. It can also be seen that a conductive connection between the plug pin 20 and the socket 10 via the ring spring 5 is nevertheless possible.
  • Fig. 15 shows a vehicle with at least one plug 1 described above and below.
  • This plug 1 can have a plug pin and a socket described.
  • the plug can be used to connect battery elements to one another or to connect the battery to the vehicle electrical system, but is not limited to this.
  • Fig. 16 shows a flow diagram of a method for producing a plug socket for a plug.
  • a hollow body is created.
  • This hollow body can be, for example, a tube or a tubular cable lug.
  • the hollow body can be produced by extrusion or by a drawing process or can already be present as a prefabricated tube.
  • a groove is made in the inside of the outer surface of the hollow body by means of shaping, for example by beading rolls or hydraulic expansion. This groove is set up to take out an annular spring.
  • the hollow body can be cut to the desired length between steps S11 and S12 or after step S12.
  • a fixed contact part is formed on one end of the hollow body. The end of the fixed contact part can be the end facing away from the groove.
  • Fig. 17 shows a flowchart for producing a connector pin for a connector.
  • a hollow body with a first outer diameter is produced, for example by pulling a tube, followed by a cutting or parting step.
  • the hollow body can be produced by extrusion or can already be present as a pre-assembled tube.
  • one end of the hollow body is machined, for example by milling. The hollow body can be cut to the desired length between steps S21 and S22 or after step S22.
  • a fixed contact part is attached to the other end of the hollow body.
  • FIGS.18A-E show several views of a connector 1 with connector pin 20 and socket 10 according to an embodiment having two grooves 15.
  • the plate-shaped or sheet-shaped contact part 100 is also shown, which is connected to the end of the hollow body 13 and which is set up for attaching an electrical line.
  • the plate-shaped or sheet-shaped contact part 101 which is connected to the hollow body 102 of the plug pin.
  • An annular spring 5 is provided in each of the grooves 15.
  • the cap 24 is attached to the front end of the pin 20 and is held by a circumferential elevation in the form of a snap-fit connection. Instead of one of the ring springs 5, a sealing element 6 can also be provided.
  • the front end of the plug pin 20 protrudes from the socket 10.
  • FIGS. 19A-E show several views of a connector 1 with connector pin 20 and socket 10 according to a further embodiment, which has three grooves 15, but otherwise the embodiment of FIG Figures 18A-E equivalent.
  • a sealing element 6 is provided in each case in the outer grooves, and an annular spring 5 in the central groove 15.
  • the sealing elements 6 serve to dampen vibrations and seal. As a result, the service life of the connector can be extended even under heavy mechanical stress.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP19170995.5A 2018-07-24 2019-04-25 Douille de connecteur, broche de connecteur et connecteur Pending EP3599670A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018117899.9A DE102018117899A1 (de) 2018-07-24 2018-07-24 Steckerbuchse, Steckerpin und Stecker

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EP3599670A1 true EP3599670A1 (fr) 2020-01-29

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CN113745880A (zh) * 2020-05-28 2021-12-03 奥腾工业自动化(廊坊)有限公司 用于机器人装置的插脚、环形弹簧插座以及大电流连接器
WO2022175525A1 (fr) * 2021-02-22 2022-08-25 Vega Grieshaber Kg Unité de mise en contact électrique d'un interrupteur de fin de course d'impédance
DE102023101561A1 (de) * 2023-01-23 2024-07-25 Harting Electric Stiftung & Co. Kg Kontaktelement für Steckverbinder von Energiespeichern
DE102024001482A1 (de) * 2024-05-07 2025-11-13 Hydac New Technologies GmbH Kontakteinrichtung

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DE102020112117A1 (de) 2020-05-05 2021-11-11 Te Connectivity Germany Gmbh Steckverbinder, Steckverbindergegenstück und Steckverbindersystem
DE102021115707A1 (de) 2021-06-17 2022-12-22 Amphenol Tuchel Industrial GmbH Berührschutzpin
DE102024210378A1 (de) * 2024-10-29 2026-04-30 Robert Bosch Gesellschaft mit beschränkter Haftung Kontaktelement, Steckverbinder mit einem Kontaktelement, Steckverbinderanordnung mit einem Steckverbinder und Elektrische Vorrichtung mit einer Steckverbinderanordnung

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CN113745880A (zh) * 2020-05-28 2021-12-03 奥腾工业自动化(廊坊)有限公司 用于机器人装置的插脚、环形弹簧插座以及大电流连接器
WO2022175525A1 (fr) * 2021-02-22 2022-08-25 Vega Grieshaber Kg Unité de mise en contact électrique d'un interrupteur de fin de course d'impédance
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DE102024001482B4 (de) * 2024-05-07 2025-11-27 Hydac New Technologies GmbH Kontakteinrichtung

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