EP4305934A1 - Dispositif d'établissement d'une liaison de verrouillage - Google Patents

Dispositif d'établissement d'une liaison de verrouillage

Info

Publication number
EP4305934A1
EP4305934A1 EP22718927.1A EP22718927A EP4305934A1 EP 4305934 A1 EP4305934 A1 EP 4305934A1 EP 22718927 A EP22718927 A EP 22718927A EP 4305934 A1 EP4305934 A1 EP 4305934A1
Authority
EP
European Patent Office
Prior art keywords
structural element
interlock
contacts
contact
plug
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
EP22718927.1A
Other languages
German (de)
English (en)
Inventor
Markus Rauch
Marko Wisner
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.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Brose Fahrzeugteile SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brose Fahrzeugteile SE and Co KG filed Critical Brose Fahrzeugteile SE and Co KG
Publication of EP4305934A1 publication Critical patent/EP4305934A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
    • G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/08—Short-circuiting members for bridging contacts in a counterpart

Definitions

  • the invention relates to a device for establishing an interlock connection.
  • Air conditioning systems are regularly installed in motor vehicles, which air-condition the vehicle interior with the aid of a system forming a refrigerant circuit.
  • Such systems basically have a circuit in which a refrigerant is guided.
  • the refrigerant for example R-134a (1,1,1,2-tetrafluoroethane) or R-744 (carbon dioxide)
  • R-744 carbon dioxide
  • the refrigerant is heated in an evaporator and compressed by means of a (refrigerant) compressor or compressor, with the refrigerant then having a
  • the heat exchanger emits the absorbed heat again before it is fed back to the evaporator via a throttle.
  • Scroll machines are generally possible as compressors for the refrigerant.
  • Scroll compressors of this type typically have two scroll parts which can be moved relative to one another and which, during operation, work in the manner of a displacement pump.
  • the two scroll parts are typically designed as a nested (helical) pair of spirals or scrolls. In other words, one of the spirals is at least partially engaged with the other spiral.
  • the first (scroll) spiral is fixed in relation to a compressor housing (stationary scroll, stator scroll, engl.: fixed scroll), with the second (scroll) volute (movable scroll, rotor scroll, engl.: movable/orbiting scroll) is driven by an electric motor orbiting within the first spiral.
  • An in particular brushless electric motor as an electrical (three-phase) machine usually has a ver with a multi-phase field or stator winding provided stator which is arranged coaxially to a rotor with one or more permanent magnets. Both the rotor and the stator are constructed, for example, as laminated cores, with the stator teeth carrying the coils of the stator winding in stator slots in between.
  • the alternating current provided for feeding the stator winding is usually generated by a converter (inverter).
  • this converter together with associated control electronics, is often housed as the motor electronics in an electronics housing which, for example, is integrated into a motor housing as an electronics compartment.
  • the motor electronics are connected to a vehicle electrical system with a connector via a connection area of the electronics housing.
  • the electric refrigerant drive is usually a high-voltage component, which means that the refrigerant drive or the motor electronics is connected to a high DC voltage, for example greater than or equal to 60 V (volts), in particular 470 V.
  • a high-voltage voltage is fed through the plug-in connection with the connector.
  • an electrical (safety) lock also known as an interlock or high-voltage interlock (HV interlock)
  • HV interlock high-voltage interlock
  • the correct connection of plug connections in the vehicle electrical system is monitored in order to prevent unintentional, improper or otherwise caused disconnection of the contacts when the vehicle electrical system is active .
  • a pilot or safety line is provided, for example, which is connected in series or in series (AND link) from plug connection to plug connection.
  • a low-voltage or locking signal also known as an interlock signal, is fed into the security line referred to, fed, which loops through each component connected to the vehicle electrical system through the connector.
  • the status or the interlock signal is monitored by a control unit which, in the event of an error status--in which contact is interrupted--de-energizes the vehicle electrical system, for example.
  • control unit In addition to the electrical (high-voltage) connections, further interlock contacts are arranged in the device plugs, which close a circuit with the control unit when the device plug is plugged in. This control unit finally switches the (high-voltage) potential to the consumer. It is therefore necessary to establish a connection between the interlock contacts within the device connector and the control unit.
  • the control unit is at a lower potential level (e.g. 12V vehicle electrical system).
  • the interlock circuit and the HV circuit are routed with a sufficient distance from one another.
  • the necessary distances increase the necessary area on a printed circuit board assembly if the circuit is closed on it.
  • DE 102019 111 691 B4 discloses an arrangement for plugging in electrical connections through a housing, in which the arrangement has a first plug-in connection with first plug-in connectors and a second plug-in connection with second plug-in connectors for transmitting electrical energy in independent transmission areas, and a receiving element has for receiving connectors.
  • the receiving element is designed with the first connectors and the second connectors as an integral and coherent unit and one-piece component.
  • the arrangement tion also has an interlock connection configured as an electrical locking device, which is electrically conductively connected to the plug connectors of the plug connections.
  • the invention is based on the object of specifying a particularly suitable device for establishing an interlock connection.
  • the invention is also based on the object of specifying a particularly suitable contact element.
  • the device according to the invention is intended for producing an interlock connection, ie for producing an electrical (safety) locking connection, and is suitable and set up for this.
  • the device in this case has a connector assembly as a connector or device connector, and a scarf device carrier.
  • the circuit carrier is designed, for example, as a printed circuit board or printed circuit board assembly. Also conceivable is, for example, a stamped grid, in particular an overmolded stamped grid, as a circuit carrier.
  • the following statements relate in particular to a printed circuit board as a circuit carrier, but the statements can also be applied analogously to other circuit carriers.
  • the plug assembly has two plug-in connections, each with at least one associated interlock contact.
  • a pot-shaped housing part is arranged as a structural element on the circuit carrier, which mechanically stiffens or stabilizes the circuit carrier.
  • the structural element has a contact element for making electrical contact with the interlock contacts.
  • the interlock connection is realized by means of the contact element of the structural element.
  • the contact element can be arranged on an outside of the structural element. However, it is also possible to arrange it on the inside or to integrate it into the structural element itself, for example in that the contact element is overmoulded with the structural element.
  • the plug assembly preferably has a high-voltage connection with high-voltage plug contacts and with at least one high-voltage interlock contact, and a low-voltage connection with low-voltage plug contacts and with at least one low-voltage interlock contact.
  • the high-voltage plug-in contacts and low-voltage plug-in contacts and the at least one high-voltage interlock contact and the at least one low-voltage interlock contact are embedded in a common housing of the plug assembly and protrude from it at the free end.
  • the connector assembly is preferably embodied as an integral or one-piece assembly.
  • Mating contacts for the high-voltage and low-voltage plug contacts are suitably provided on the circuit carrier.
  • the structural element is designed as a housing or pot-shaped cover or cap that covers the mating contacts.
  • the structural element is designed as a plastic cap.
  • through-openings for the high-voltage and low-voltage plug contacts are made in the structural element.
  • the mating contacts are arranged inside the structural element, with the contact element being arranged, for example, on an outside of the structural element facing away from the circuit carrier.
  • the contacting of the high-voltage and low-voltage plug-in contacts with the counter-contacts thus preferably takes place within the structural element, and the interlock connection takes place, for example, outside the structural element.
  • the clearances for air and creepage distances are realized by means of the structural element and do not have to be kept on the circuit board.
  • the interlock connection is made by means of the structural element or by means of the contact element.
  • plug assemblies of the same type can be used and the interlock connection does not have to be implemented on the layout of the electronics or the circuit carrier.
  • the product-specific adaptation takes place via a suitable conductor routing in the structural element.
  • the structural element can be made miniaturized by suitable structural measures such as insulation of the conductors in the structural element and a suitable choice of material for the structural element, such as non-tracking plastic.
  • the structural element can optionally be joined to the circuit carrier in a positive, non-positive or material connection.
  • the structural element can perform other functions such.
  • the structural element can also be used exclusively to establish the interlock connection.
  • a "positive fit” or a "positive connection” between at least two parts connected to one another is understood here and in the following in particular to mean that the parts connected to one another are held together at least in one direction by a direct interlocking of the contours of the parts themselves or by an indirect Interlocking takes place via an additional connecting part.
  • the "blocking" of a mutual movement in this direction is therefore due to the shape.
  • a “positive connection” or a “positive connection” between at least two parts connected to one another is understood here and in the following in particular to mean that the parts connected to one another are prevented from sliding off one another due to a frictional force acting between them. If there is no "connecting force” that causes this frictional force (this means the force that presses the parts against each other, for example a screw force or the force of weight itself), the non-positive connection cannot be maintained and can therefore be released.
  • a “material connection” or a “material connection” between at least two parts connected to one another is understood here and in the following in particular to mean that the parts connected to one another at their contact surfaces through material union or crosslinking (e.g. due to atomic or molecular bonding forces) optionally held together under the action of an additive.
  • the contact element can be designed as a separate component.
  • the contact element can be designed separately from the connector assembly and separately from the structural element.
  • the contact element is attached to the structural element, in particular in a detachable or replaceable manner. This enables a particularly simple and flexible adaptation of the structural element to different conductor or contact arrangements of a connector assembly.
  • the contact element is positively and/or non-positively attached to the structural element, for example clamped, latched or locked.
  • the contact element is positively and/or non-positively attached to the structural element, for example clamped, latched or locked.
  • the contact element has at least one electrical conductor for electrical contacting of the interlock contacts, which is partially embedded in a body made of an electrically non-conductive material.
  • the conductor is at least partially integrated into an insulating body, with the conductor protruding from the body at the free end and making contact or connecting with the interlock contacts. is tactable.
  • the conductor is, for example, a bent part, in particular a stamped and bent part.
  • the body is, for example, a plastic body, in particular in the form of an injection molded part, which partially surrounds the conductor as an insert.
  • the body is made of a non-tracking plastic, for example.
  • the contact element does not have an insulating body, which means that the conductors can be routed individually and suitably fastened (for example by overmolding or by means of a clip fastening) in or on the structural element.
  • the body has at least one integrally formed attachment element, that is to say in one piece or monolithically, for mechanical attachment to the structural element. This means that no additional fastening means, such as screws, are required for fastening the contacts to the structural element.
  • the fastening element is designed here in particular for a mushroom head locking with the structural element.
  • the fastening element is designed as a push button with a mushroom-shaped cross section, which is pressed into a receptacle or a cavity of the structural element and engages behind it in a form-fitting manner.
  • the pressure button is here formed rule, for example, by several circumferentially arranged Druckla. This enables a particularly simple attachment of the contact element.
  • the section of the conductor embedded in the body has an offset, in particular in the form of steps, which is oriented transversely to a longitudinal direction extending between the interlock contacts.
  • This development is particularly advantageous when the connections of the connector assembly have an offset group.
  • Such an offset in the conductors results structurally from an advantageous design of the conductors that is suitable for punching and bending. This ensures that the contact surfaces of the conductors are always parallel to the respective contacts or terminals of the connector assembly are performed. It follows the formation of the contact surfaces on the conductors by means of stamping. A right-angled bend to the longitudinal direction of the conductor is advantageous. The offset in the level between the interlock connections of the connector assembly is thus compensated for by an offset in the conductor routing.
  • the offset in the conductors does not necessarily have to be at right angles and does not necessarily have to take place in the insulating body described. If the contact surfaces are formed using a different technology, for example by welding on a contact element, the offset transverse to the longitudinal direction can be dispensed with.
  • a section of the conductor extending between the body and the interlock contact, in particular the low-voltage interlock contact has an axial offset along an axial direction oriented perpendicularly to the surface of the circuit carrier.
  • the axial offset is suitably guided along a housing wall of the structural element.
  • the conductors follow the contour of the structural element.
  • the structural element is advantageously formed in such a way that it surrounds the underlying components in a contour-close manner in order to be able to perform additional functions such as support.
  • the axial offset in the structural element enables a time-staggered alignment of the plug-in connections or contacts of the connector assembly, which achieves improved tolerance compensation and can be better monitored in terms of process technology.
  • the offsets in the longitudinal and/or axial direction are specified, for example, by constructive framework conditions of the plug assembly and offer the possibility of tolerance compensation.
  • the conductors can also be configured without a set.
  • the contacting between the connector assembly and the interlock connection on the structural element can be made, for example, via plug, pressure, pin/socket, lamellar or insulation displacement contacts, or other electrical connections.
  • the ends of the cable at the free end are ters designed as bracket or spring contacts, which rest resiliently against the interlock contacts when contacted.
  • the interlock contacts of the plug assembly and/or the free-end ends of the conductor engage in openings in the structural element. This means that the interlock connection or contacting takes place inside the structural element so that the contact points are protected from external influences. For example, it is also possible to forward the interlock connection to the circuit carrier.
  • FIG. 1 shows a perspective view of a first embodiment of a device for producing an interlock connection, having a plug assembly and a printed circuit board with a structural element
  • FIG. 8 shows a perspective view of a second embodiment of the device
  • FIG. 9 shows the device according to FIG. 8 in a perspective view.
  • the 1 shows a device 2 for establishing an interlock connection.
  • the device 2 is, for example, part of an electric refrigerant compressor of a motor vehicle.
  • the device 2 has a connector assembly 4 and a Circuit board 6 on.
  • the circuit carrier 6 is designed as a printed circuit board (PCB) and is also referred to below as such.
  • the plug assembly 4 is designed as a plug connection or device plug of the cooling teffenantriebs.
  • the plug assembly 4 has two plug-in connections 8, 10, each with two associated interlock contacts 12, 14.
  • the plug connection 8 is designed as a high-voltage connection, ie as a connection for a high-voltage connection, in particular for voltages above 60 V, in particular 470 V.
  • the plug connection 8 has two plug contacts 16 (high-voltage plus, high-voltage minus) and the two (high-voltage) interlock contacts 12 .
  • the plug-in connection 10 is designed as a low-voltage connection, ie as a connection for a low-voltage connection, in particular for voltages below 60 V, in particular 12 V.
  • the plug connection 10 has three plug contacts 18 and the two (low-voltage) interlock contacts 14 . Two of the plug contacts 18 are or can be contacted with a vehicle battery (KL30, KL31) and one of the plug contacts 18 is connected to a communication line (COM).
  • KL30, KL31 vehicle battery
  • COM communication line
  • the plug contacts 16, 18 and the interlock contacts 12, 14 are embedded in a common housing or a common overmolding 20 of the connector assembly 4, and protrude at the free end in the direction of the circuit board 6 out of the latter.
  • the connector assembly 4 is preferably designed as an integral or one-piece assembly, in particular the connector assembly group 4 forms a common high-voltage low-voltage connector (HV-LV connector).
  • a pot-shaped or cap-shaped housing part is arranged as a structural element 22, which mechanically stiffens or stabilizes the printed circuit board 6 at least locally and covers the mating contacts.
  • the structural element 22 is performed, for example, as a plastic cap, for example in the form of an injection molded part made of non-tracking plastic. Material.
  • the structural element 22 is screw-fastened to the printed circuit board 6 .
  • the structural element 22 is mounted in a corner area of the circuit board 6 .
  • a contact element 24 is mounted on the outside of the structural element 22 facing the connector assembly 4 .
  • the contact element 24 realizes the electrical connection between the interlock contacts 16, 18 and thus forms the interlock connection.
  • the interlock connection by means of the contact element 24 is shown in more detail in FIGS.
  • the contact element 24 is shown individually in FIGS.
  • the structural element 22 has cutouts or (feed-through) openings 26 for receiving the interlock contacts 12, 14 on the side facing the connector assembly 4. In the interlock state, the interlock contacts 12, 14 thus extend at least in sections into the structural element 22. In an alternative embodiment, the interlock contacts 12, 14 protrude from the structural element 22, for example.
  • the contact element 24 is in the form of a separate component which can be detachably or interchangeably fastened in a non-positive and/or positive manner in a receptacle of the structural element 22 that is not designated in any more detail.
  • the contact element 24 is designed for assembly and has a specific shape for galvanic contacting of the interlock contacts 12, 14.
  • the contact element 24 has an approximately cuboid body 28 from which two electrical conductors 30 protrude.
  • the conductors 30 are routed parallel and at a distance from one another and are contacted at their free ends 32 with an interlock contact 12, 14 in each case.
  • the conductors 30 are designed, for example, as stamped and bent parts, for example as stamped grids, which are at least partially embedded in the body 28 or are integrated. As can be seen, for example, in the representations of FIGS the curvature rests resiliently against the respective associated interlock contacts 12, 14. As can be seen, for example, in FIG.
  • the projecting in the direction of the interlock contacts 14 from the body 28 portion of the conductor 30 has a stepped axial offset 34 in the direction of Lei terplatte 6 on.
  • the offset 34 here runs parallel to an axial direction A oriented perpendicularly to the printed circuit board 6. As can be seen in particular in FIG.
  • the conductors 30 have a further stepped offset 36 within the body 30 .
  • the offset 36 is oriented here at right angles to a longitudinal direction L extending between the interlock contacts 12, 14.
  • the offset 36 is in particular oriented parallel to a transverse direction Q, which is oriented perpendicularly to the longitudinal direction L and the axial direction A.
  • the body 28 is, for example, a plastic body, in particular in the form of an injection molded part, which partially surrounds the conductor 30 as insert parts, in particular in the region of the offset 36 .
  • the body 28 is made, for example, from an electrically insulating, in particular non-tracking, plastic Herge.
  • the body 28 On an underside facing the structural element 22 , the body 28 has two fastening elements 38 formed in one piece, that is to say in one piece or monolithically, for positive and/or non-positive fastening to the structural element 22 .
  • the two fastening elements 38 are arranged at a distance from one another so that a stable and non-rotatable attachment of the contact element 24 is made possible.
  • the fastening elements 38 are designed here in particular for a mushroom head lock with the structural element 22 .
  • the fastening elements 38 are designed as pushbuttons with a mushroom-shaped cross section, which are each pressed into a receptacle or a cavity of the structural element 22 and engage behind them in a form-fitting manner.
  • the fastening elements 38 are in this case each formed by a plurality of circumferentially arranged pressure lugs which can be bent radially inward and which each have a latching lug on the free end.
  • FIGS. 8 and 9 differs from the exemplary embodiment in FIGS. 1 to 7 described above, particularly in the configurations of the interlock connection and the contact element 24.
  • the contact element 24 has no (insulating) body 28 .
  • the conductors 30 are designed in particular as stamped conductor tracks which are guided on an outside of the structural element 22 .
  • the conductors 30 are laid individually, for example, and attached to the structural element 22 .
  • the tab-shaped free ends 32 each have an opening, not designated in any more detail, which is each joined to an upstanding joining extension 40 of the structural element 22 .
  • the offset 36 is not designed at right angles, but is designed approximately in an S-shape.
  • the structural element 22 has three guide walls 42 arranged parallel to one another, which protrude perpendicularly on the outside, and between which the conductors 36 are guided in the region of the offset 36 .
  • the free ends 32 are electrically conductively connected in the region of the joining extensions 40 to one contact end 44 each.
  • the contact ends 44 do not engage here into the structural element 22 and are arranged essentially completely outside of the structural element 22 .
  • the contact ends 44 Toward the free ends 32, the contact ends 44 have a slot in which the interlock contacts 12, 14 are seated in the (interlocked) contacted state.
  • a contact tongue adjoining the slot is bent towards the interlock contacts 12, 14 or in the direction of the free ends 32 in the manner of a clip contact, and in the contacted state preferably lies resiliently against the interlock contacts 12, 14 (FIG. 8).
  • two supporting walls 46 with an approximately T-shaped cross section are formed onto the structural element 22.
  • the contact ends 44 are in this case each supported on the horizontal T-legs of the support wall 46, the vertical T-leg ent long the contact ends 44 to the connection point with the free ends 32 he stretches.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un dispositif (2) pour établir une liaison de verrouillage, comprenant un ensemble bouchon (4) et un support de circuit (6), l'ensemble bouchon (4) ayant deux bornes de prise (8, 10) dans chaque cas au moins un contact de verrouillage associé (12, 14), un élément structural (22) pour le renforcement mécanique du support de circuit (6) étant disposé sur le support de circuit (6), l'élément de structure (22) étant une partie de boîtier en forme de pot, et l'élément de structure (22) ayant un élément de contact (24) pour mettre en contact électrique les contacts de verrouillage (12, 14).
EP22718927.1A 2021-03-30 2022-03-29 Dispositif d'établissement d'une liaison de verrouillage Pending EP4305934A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021203197.8A DE102021203197A1 (de) 2021-03-30 2021-03-30 Vorrichtung zur Herstellung einer Interlock-Verbindung
PCT/EP2022/058205 WO2022207602A1 (fr) 2021-03-30 2022-03-29 Dispositif d'établissement d'une liaison de verrouillage

Publications (1)

Publication Number Publication Date
EP4305934A1 true EP4305934A1 (fr) 2024-01-17

Family

ID=81386920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22718927.1A Pending EP4305934A1 (fr) 2021-03-30 2022-03-29 Dispositif d'établissement d'une liaison de verrouillage

Country Status (5)

Country Link
US (1) US20240032213A1 (fr)
EP (1) EP4305934A1 (fr)
CN (1) CN117099489A (fr)
DE (1) DE102021203197A1 (fr)
WO (1) WO2022207602A1 (fr)

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DE102024201454A1 (de) 2024-02-16 2025-03-06 Zf Friedrichshafen Ag Interlockschalter für ein Hochvoltsystem eines elektrisch antreibbaren Fahrzeugs

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WO2022207602A1 (fr) 2022-10-06
US20240032213A1 (en) 2024-01-25
CN117099489A (zh) 2023-11-21

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