EP3602598B1 - Verrou électrique - Google Patents

Verrou électrique Download PDF

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Publication number
EP3602598B1
EP3602598B1 EP18701170.5A EP18701170A EP3602598B1 EP 3602598 B1 EP3602598 B1 EP 3602598B1 EP 18701170 A EP18701170 A EP 18701170A EP 3602598 B1 EP3602598 B1 EP 3602598B1
Authority
EP
European Patent Office
Prior art keywords
contact element
contact
lugs
recesses
connection
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.)
Active
Application number
EP18701170.5A
Other languages
German (de)
English (en)
Other versions
EP3602598A1 (fr
Inventor
Markus Moszynski
Stefan Billen
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.)
Auto Kabel Management GmbH
Original Assignee
Auto Kabel Management 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 Auto Kabel Management GmbH filed Critical Auto Kabel Management GmbH
Publication of EP3602598A1 publication Critical patent/EP3602598A1/fr
Application granted granted Critical
Publication of EP3602598B1 publication Critical patent/EP3602598B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/52—Contacts adapted to act as latches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/365—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H39/004—Closing switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/044—High voltage application

Definitions

  • the subject matter relates to an electrical closer, in particular a high-voltage closer, and also to a motor vehicle having one.
  • Electrical closers are well known. Electrical closers are often designed as relays, particularly in automotive applications. Relays are used to switch, in particular to close, a first circuit (circuit) by means of a control pulse that comes from a second circuit (control circuit). The electrical isolation between the circuit and the control circuit depends, among other things, on the dielectric strength of the air. In addition, relays are complex to manufacture and therefore expensive. After all, relays are subject to age-related wear. It is also possible that the switching mechanism is jammed in relays and switching is no longer possible.
  • Switching is partially safety-critical in vehicles with battery or fuel cell operation. Particularly in high-voltage applications, in which voltages of 1000V and more can occur, mechanically and electrically reliable switching is necessary. In particular for short-circuiting live parts in the event of an accident, it is necessary for an electrical closer to have a low probability of failure. In addition, it is necessary that the electrical make contact always ensures galvanic isolation between the circuit and control circuit when open. In addition, the electric closer must remain lockable over the entire life of a motor vehicle in order to always be able to guarantee the necessary safety.
  • the closer includes a first Connector tab and a second connector tab isolated from the first.
  • a closing element which can be driven by a drive, an electrical connection can be established between the connecting lugs, via which residual capacities can be safely discharged in the event of an accident.
  • a disadvantage of the electrical closer described is that, due to design-related tolerances and due to surface contamination, no reproducible and satisfactory contacts can be made between the closing element and the connecting lugs, so that due to the reduced transmission cross-sections, the residual capacities are dissipated insufficiently, which also occurs disadvantageously takes place only under strong heating.
  • the object on which the object was based was to provide an electrically isolating, mechanically fail-safe electrical closer, with which the quick and safe removal of residual capacities is ensured.
  • This object is achieved objectively by an electrical closer according to claim 1.
  • the object is further achieved by a motor vehicle according to claim 15.
  • the electrical closer has two connecting lugs, which are used to connect the electrical closer to electrical lines.
  • the connecting lugs are preferably formed from a copper material or an aluminum material.
  • the connection tabs can, in particular in an area in which they are connected to energy conductors, preferably also be nickel-plated and / or tin-plated.
  • the connecting lugs preferably lead into a housing and are arranged in the housing in an isolated manner from one another.
  • a guide channel can be arranged inside the housing. This can be limited at least in areas by the connection lugs or their surfaces.
  • the Electrical closers have an electrical contact area within the guide channel, in which the connecting lugs are spaced apart from one another and are arranged opposite one another.
  • the opposite ends of the connection tabs can be shaped such that they form a receptacle for an electrical contact element.
  • connection tabs can in particular be arranged running directly on the edge of the housing.
  • connection tabs can also be arranged at least partially within a recess of the housing.
  • the first and the second connecting lugs each have at least one recess in the contact area arranged inside the guide housing. It is also possible for more than just one recess to be arranged in the connecting lugs.
  • connection lugs An electrical connection between the connection lugs can be established by receiving the contact element in the recesses of the connection lugs.
  • the contact element must be formed at least partially, preferably at least along its surface, so that the contact element electrically connects the connection tabs to one another as soon as it comes into electrical contact with the two connection tabs.
  • the contact element is held in the guide housing in an open position.
  • the contact element can be held in the open position in a form-fitting manner by the guide housing.
  • the contact element In the open position, the contact element is arranged electrically insulated from the connection lugs.
  • the contact element is displaceable, preferably arranged transversely displaceably in the guide housing, the contact element in the arrangement in question being guided simultaneously in the respective recesses in the displacement direction when the two connecting lugs are displaced. After moving, the contact element is in a closed position. In the closed position, the electrical closer is closed, in which an electrical short circuit between the connection tabs is produced by the contact element.
  • the contact element is arranged with contact areas in the closed position in the receptacles of the connecting lugs. This is done by moving the contact element in the guide housing.
  • a drive is preferably provided which allows the contact element to be arranged in an open position of the electrical closer electrically separated from at least one connecting lug, whereas the contact element is in electrical contact with both connecting lugs in a closed position of the electrical closer and thus shorting them together.
  • the contact area of the connecting lugs is arranged at a first end of the guide channel and the drive is arranged at a second end of the guide channel opposite the first end.
  • the drive is preferably electrically insulated from the connection lugs by the guide housing.
  • the guide housing is preferably formed from an electrical insulator, for example polyamide, for example PA 6.
  • the contact element can also be formed at least in part from an insulator. Only the part of the contact element which serves for the electrical short-circuiting of the connection lugs and comes into mechanical contact with the connection lugs must be made electrically conductive.
  • the contact element is at least partially formed from an electrically conductive material with a high specific electrical conductivity, preferably at least partially from an aluminum material and / or a copper material. It is also proposed that the connection tabs be formed at least partially from a conductive material, preferably at least partially from a copper material and / or an aluminum material.
  • the conductive surfaces of the connecting lug and the contact element, in particular in the contact areas, are preferably formed from the same material.
  • the contact element is formed in at least one contact area, in which it is held in the recesses in the closed position, as a flat part, in particular as a cuboid flat part. Because the contact areas are formed as a flat part, the contact element with its contact areas can slide into slot-shaped recesses in order to reach the closed position.
  • the shape of the contact element is also preferably at least partially essentially complementary, in particular with a precise fit to the recesses of the connection lugs.
  • the contact element can be formed from a flat part, in particular from a cuboid flat part.
  • the contact element In the open position, the contact element rests on the housing, in particular on the guide housing. In this position, a surface of the contact element, at least in the area of the contact areas, points in the direction of the receptacles. This surface has an area normal. The surface normal of the surface of the contact area, which faces the recesses in the open position, is essentially parallel to the direction of displacement. This ensures that the contact element with the surface facing the recesses is moved in the direction of the recesses.
  • the contact element preferably contacts the recesses in the closed position with other surfaces. In particular, the surface normals of these contact surfaces are perpendicular to the direction of displacement.
  • the contact element preferably touches the connection tabs with two contact surfaces of the contact element that lie opposite one another and preferably run parallel to one another.
  • the contact surfaces of the connecting lugs, in particular in the receptacles, run parallel to one another.
  • the distance between the contact surfaces of the receptacles is preferably equal to the distance between the contact surfaces of the contact element, which can correspond to the height of the connection element in the contact area.
  • the contact element preferably has at least four contact surfaces, by means of which an electrical connection can be established between the connection lugs, in particular both a first and second contact surface and a third and fourth contact surface being arranged essentially parallel to one another and essentially parallel to the direction of movement of the contact element are.
  • the contact areas of the contact element can be spatially separated from one another.
  • the contact element preferably has at least two contact areas, which are in a direction perpendicular to the direction of displacement, preferably also perpendicular to a height direction of the contact element are spaced apart.
  • the contact areas can lie opposite one another with respect to a central axis of the contact element that runs parallel to the displacement direction.
  • a center area of the contact element can be provided on both sides with a contact area.
  • the contact areas have the contact surfaces of the contact element, which are in direct contact with the contact surfaces of the recesses in the closed position.
  • the distance between the contact areas can be substantially equal to the distance between the recesses. This ensures that the contact areas in the closed position are both arranged in the recesses.
  • the movement of the contact element can be guided through the recesses of the connection lugs.
  • the contact element is preferably guided simultaneously from the time of establishing an electrical contact between the contact element and the connecting lugs, in particular by both connecting lugs.
  • connection element and the recesses of the connection lugs are shaped and / or dimensioned with respect to one another such that a positive connection, in particular a press connection, is formed between the contact element and the connection lugs during the displacement.
  • a positive connection in particular a press connection
  • an interference fit, a transition fit or a clearance fit can be formed between the contact element and the connection tabs.
  • the recesses are designed to be undersized with respect to the contact element or that the contact element is formed to be oversized with respect to the recesses.
  • the surfaces of the components to be contacted can be at least partially freed from contamination or passivations during the production of the contacting by friction, so that a high quality Contacting is guaranteed, in which not only small portions of the contact area, but preferably the largest part of the contact area can be used for charge transfer.
  • the contact element on its side facing the recesses can also be tapered, in particular wedge-shaped.
  • the contact element can also be fixed in the recesses of the connecting lugs by a self-locking holding force.
  • the receptacle be formed in such a way that the contact element in the closed position of the closer is preferably latched in the receptacle.
  • latching lugs and / or latching recesses can also be provided, which are shaped and dimensioned to one another in such a way that a positive connection, in particular a Snap connection between the contact element and the connecting tabs is formed.
  • the drive provided to drive the contact element exerts such a large force on the contact element in the direction of the contact area that it can be pushed in the direction of the contact area. This allows the electrical closer to be moved to its closed position.
  • the contact element is at least positively, preferably non-positively, in particular integrally connected to the displacement element.
  • the drive can be formed from a drive element and a displacement element.
  • the drive element can be formed as an electrical, hydraulic, pyrotechnic or mechanical drive element, the displacement element can meanwhile be formed, for example, as a slide or as a piston.
  • the piston is preferably arranged in the guide housing in such a way that a guide channel is sealed by the latter.
  • the piston can be cylindrical. It is also possible for the piston to be a cuboid guided in the guide housing.
  • the seal can be such that a space in the guide channel facing the drive is sealed off from a space in the guide channel facing the receptacle. This is particularly advantageous if the contact element is pushed into the receptacle by means of compressed air. Sealing can mean that the flow resistance for air in the guide channel through the piston is increased by more than 90%, preferably more than 95%.
  • the piston is preferably formed from an insulation material, in particular polyamide, in particular PA 6.
  • the piston of the contact element ensures reliable insulation between the conductive part of the contact element and the drive.
  • the piston preferably faces the drive and that Contact element the recesses of the connecting lugs.
  • the contact element is displaceable within the guide housing between the drive and the contact area of the connection lugs.
  • the contact element is preferably arranged in an open position of the closer on the drive, in particular on the displacement element.
  • the contact element is preferably held in the guide housing in such a way that it can only be displaced therein under the action of force.
  • the contact element can be arranged in a press fit in the guide housing.
  • the press fit can be such that a force of at least 10 N, preferably 20 N or also at least 50 N is necessary to move the contact element in the guide housing transversely.
  • a pyrotechnic drive can be implemented, for example, via a push piston which can be activated by an electrical ignition pulse.
  • a squib is arranged in a sleeve.
  • a piston which can be displaced along the longitudinal axis of the sleeve and which is displaced in the sleeve by the explosion energy of the squib.
  • By moving the piston it is pressed out of the sleeve.
  • the part of the piston pressed out of the sleeve can press the contact element in the direction of the receptacle.
  • the at least one recess of the connection lugs is arranged on opposite sides of the guide housing.
  • the recesses can be hook-shaped and / or U-shaped and open in the direction of the contact element.
  • the recesses can have a bottom that can serve as a stop for the contact element, so that its maximum movement in the direction of displacement is defined.
  • the recesses make it possible to ensure a large contact area of the contact element with the connecting lugs, despite a simple alignment and construction of the electrical closer.
  • the contact element which is preferably non-positively or cohesively attached to the displacement element, is protected from unwanted contacting with the connection lugs
  • at least one insulation element be arranged for the insulation of the contact element between the contact element and the contact area of the connection lugs, the insulation element preferably two pieces, in particular is formed from two insulation caps.
  • the contact element faces with a surface in the direction of the connecting lugs.
  • the surface normal of this surface is preferably aligned with the direction of displacement.
  • This surface is preferably covered by the insulation element.
  • insulation elements can be arranged in the contact areas of the contact element.
  • the insulation material of the insulation element in addition to a specific electrical conductivity of at least less than 10 -5 S ⁇ cm -1 , preferably less than 10 -10 S ⁇ cm - 1 , particularly preferably 10 -15 S ⁇ cm -1 has a dielectric strength of at least more than 5 kV / mm, preferably more than 20 kV / mm, particularly preferably more than 50 kV / mm.
  • the insulation element can preferably be formed from a plastic or a ceramic.
  • two insulation caps are arranged between the contact element and the contact area of the connecting straps for isolating the contact element, which are designed such that at least parts of the insulating caps are separated from the connecting straps when the electrical closer is closed, in particular torn off or are sheared.
  • the insulation caps are arranged in particular in the area of the contact areas on the contact element.
  • the contact element is accelerated when the drive unit with the displacement element is triggered in the direction of the contact area of the connection lugs, before the contact element is finally arranged in the recesses of the connection lugs and an electrical contact between the connecting lugs is made.
  • the contact element is preferably arranged in such a way and in particular with respect to the insulation element that the contact element insulated in the open position with respect to the connection tabs breaks through the insulation element after the drive has been triggered.
  • the contact element can preferably have a chisel-shaped taper on its surface facing away from the drive, in particular on the surface facing the connecting lugs.
  • the contact element can break through the insulation element at least in the region which, in the open position, borders directly on the recesses of the connecting lugs.
  • the insulation element is preferably separated at least in the region of the interface between the insulation element and the surfaces of the contact tabs pointing in the direction of the insulation element.
  • the proposed insulation element not only has excellent insulation properties, but preferably also has a low breaking strength, in particular a low shear strength. It is therefore proposed according to an advantageous embodiment that the insulation element made of a material with a shear strength according to DIN 18137-3 of at least less than 10 N / mm, preferably of at least less than 5 N / mm, particularly preferably of at least less than 1 N / mm is formed.
  • the insulation element has a low tensile strength and a low tensile strength.
  • the insulation material has predetermined breaking points, which are preferably arranged in a potential contact area of the insulation element with the contact element and in a potential contact area with the connection tabs. In this way, when the drive is triggered, the insulation element can be more easily broken through by the contact element and sheared off by the contact tabs.
  • the connecting straps arranged on the electrical closer each have a connecting part pointing out of the guide housing and a part guided in the guide housing and at least forming the receptacle.
  • the connection parts are shaped in such a way that electrical power lines can be connected to them in a captive manner. This can be done by means of screw bolts or screw connections or by means of crimp connections or the like. A soldered or welded connection can also be formed between the connection parts and the power lines.
  • the connecting lugs in the area of the receptacle can be arranged in an electrically non-insulated manner. This makes it possible to short-circuit the exposed areas of the connecting lugs with one another electrically by means of the contact element.
  • the connecting lugs are held in the guide housing in an elastically deformable manner, at least in the region of the recesses. It is hereby achieved that the contact element can elastically and / or plastically press the connecting lugs apart in the region of the recesses in order to be moved into the closed position of the closer. In this the connection tabs can spring back elastically and thus at least partially encompass the contact element or the contact element and hold it in the closed position.
  • the guide housing have a ventilation opening in the region of the receptacle, in particular at an end facing away from the drive.
  • Fig. 1 a spatial view of an electric closer 1 is shown in an open position.
  • An open guide housing 12 can be seen, which forms a guide channel 14 in its interior.
  • a drive 6 can also be seen, which is formed from a drive unit 8 and a displacement unit 10.
  • the drive unit 8 can be designed as an actuator and convert electrical signals into mechanical movement.
  • the drive unit 8 can, however, also be formed as a pyrotechnic drive unit and can generate a mechanical movement, for example, by igniting a squib using a pressure wave.
  • the displacement unit 10 can be formed, for example, as a displacement slide or as a piston, which is driven by the drive unit 8 and performs a translational movement.
  • the guide channel 14 In the case of an embodiment in which a pneumatic pulse is triggered by the drive unit 8, the guide channel 14 must be well sealed to the outside. So that there is no overpressure when the displacement unit 10 is displaced, which counteracts the movement in the displacement direction, it is proposed that a ventilation opening (not shown here) is arranged in the guide channel 14 or the corresponding space is evacuated.
  • a contact element 20 is arranged on the displacement unit 10, which in this view is covered by an insulation element 16.
  • the contact element 20 is firmly connected to the displacement unit 10 in a form-fitting manner, or, for example, in a force-fitting manner and / or in a material-fitting manner.
  • the contact element 20 is formed as a flat part and from an electrically conductive material, preferably from an aluminum or a copper material.
  • FIGS Figures 4a-c A more detailed view of various embodiments of the contact element 20 including the designation of the respective contact areas, contact surfaces and surface normals is shown in FIGS Figures 4a-c shown. Reference is made to these figures below if individual elements of the contact element 20 are not shown in other figures due to the clarity.
  • the contact element 20 In the open position, the contact element 20 rests on the housing 12. In this position, the contact element 20 has a surface 20 'which faces in the direction of the receptacles 22a, 22b of the connecting lugs 4a, b. As with the arrangement according to Fig. 1 can be seen, the surface normal 20a of this surface runs essentially parallel to the direction of displacement indicated by the arrow 30 when the contact element 20 moves from the open position into the closed position.
  • the contact element 20 has at least two spatially separated contact areas 24a, b, which are spaced apart in a direction perpendicular to the direction of displacement indicated by the arrow 30, preferably also perpendicular to a height direction of the contact element 20.
  • the contact areas 24a, b can be as shown in FIG Fig. 1 executed, in particular with respect to each other with respect to a central axis of the contact element 20 running parallel to the direction of displacement.
  • a contact region 24a or 24b can thus be provided on both sides of a central axis of the contact element 20.
  • contact element 20 which is essentially cuboid, thus has at least four contact surfaces 26a, 26b, 26c, 26d, via which an electrical connection between the connecting lugs 4a, 4b can be established.
  • a first and a second contact surface 26a and 26b are arranged on the contact region 24a, whereas a third and fourth contact surface 26c and 26d of the contact element 20 are arranged on the contact region 24b.
  • Both the first and the second contact surface 26a, 26b and the third and fourth contact surface 26c, 26d are arranged spaced apart from one another in accordance with the layer thickness or the height of the contact element 20.
  • Both the first and second contact surfaces 26a, 26b and the third and fourth contact surfaces 26c, 26d are also arranged essentially parallel to one another and essentially parallel to the direction of movement of the contact element 20.
  • connection tabs 22a ', 22a “, 22b', 22b” arranged in the recesses 22a and 22b, in particular in the receptacles essentially parallel to one another.
  • the distance between the contact surfaces of the receptacles 22a ', 22a “, 22b', 22b” preferably corresponds essentially to the distance between the first and second 26a, 26b or between the third and fourth 26c, 26d contact surface of the contact element 20, which is the height of the contact element 20 can correspond in the contact areas 24a, b.
  • the spacing of the contact areas 24a, b from one another is also preferably substantially equal to the spacing of the recesses 22a, 22b from one another. This ensures that the contact areas 24a, b are both arranged in the recesses 22a, 22b in the closed position.
  • the sliding element 10 is at least partially formed from an insulator for insulation, preferably at least partially from a plastic.
  • connection parts 2a, 2b of two connection lugs 4a, 4b protrude from the housing 12.
  • the connecting lugs 4a, 4b also extend into the interior of the housing 12. Inside the housing 12, the connecting lugs 4a, 4b run parallel to one another, parallel to the direction of displacement which runs along the axis II-II up to their contact area 18a, b, in which the connection tabs 4a, 4b each have at least one recess 22a, 22b.
  • the connection tabs 4a, 4b can in particular be arranged running directly on the edge of the housing 12.
  • the connection tabs 4a, 4b can also each be arranged at least partially within a recess 28a, b of the housing 12.
  • the recesses 22a, 22b of the connecting lugs themselves are preferably hook-shaped and / or U-shaped in the direction of the contact element 20 and have a bottom.
  • an insulation element 16 is arranged between the recesses 22a, 22b arranged in the contact area 18a, b of the connection tabs 4a, 4b and the contact element 20 .
  • the insulation element 16 is preferably formed in two parts, in particular from two insulation caps 16a, 16b, which are placed on the displacement element 10.
  • the insulation caps 16a, 16b here preferably not only have a low electrical conductivity and a high dielectric strength required for insulation purposes, but also advantageously have a low tear strength, breaking strength and shear strength.
  • the contact element 20 isolates the insulation caps 16a, 16b when the contact element 20 is accelerated
  • Direction of the contact area 18a, b breaks through at least in the area which, in the open position, borders directly on the recesses 22a, 22b of the connecting tabs 4a, 4b.
  • a separation of the insulation caps 16a, 16b is thus preferably provided at least in the area of the interface between the insulation caps 16a, 16b and the surfaces of the contact tabs 4a, 4b pointing in the direction of the insulation caps 16a, 16b.
  • the insulation caps 16a, 16b are at least partially cut off, preferably torn off, or sheared off at the connecting tabs 4a, 4b.
  • the shape of the contact element 20 can also be adapted.
  • the contact element 20 can have a chisel-shaped or wedge-shaped taper at its end facing away from the drive 8.
  • the insulation caps 16a, 16b may have, in addition to a low breaking, shear and tear strength, predetermined breaking points (not shown here), which preferably are in a potential contact area of the insulation caps 16a, 16b with the contact element 20 and in one potential contact area with the connection tabs 4a, 4b, in particular the surfaces of the contact tabs 4a, 4b pointing in the direction of the insulation caps 16a, 16b.
  • predetermined breaking points not shown here
  • the insulation caps 16a, 16b can advantageously be broken more easily by the contact element 20 and sheared off by the connecting straps 4a, 4b.
  • Fig. 2 shows a sectional view of an electrical closer 1 after a section along the line II-II according to Fig. 1 .
  • the arrangement of the contact element 20, which is fixedly arranged on the displacement element 10 and in the view according to Figure 1 is covered by the insulation caps 16a, 16b which serve to isolate the contact element 20.
  • the direction of displacement of the contact element 20 extends from the displacement element 10 in the direction of the recesses 22a, 22b.
  • a pulse from the drive unit 8 provides that the contact element 20 is accelerated in the direction of the exceptions 22a, b.
  • the opening of at least part of the insulation cap 16b is provided after acceleration of the contact element 20, so that electrical contact is established between the contact surfaces 26c, d of the contact element 20 and the contact surfaces 22b 'and 22b "of the connecting tab
  • the contact element 20 is preferably guided in the direction of movement in the recess 18.
  • the movement of the contact element 20 initiated by the drive unit 8 is thereby increased by the continuously increasing contact area between the contact surfaces 26c, d of the contact element 20 and the contact surfaces 22 ', 22 "of the connecting lug 4b and the associated greater friction is continuously braked.
  • Corresponding movement and contacting is also provided between the contact surfaces 26a, b of the contact element 20 and the contact surfaces 22a 'and 22a "of the connecting lug after the triggering of a pulse of the drive unit 8.
  • Fig. 3 shows a sectional view of an electrical closer 1 after a section along the line III-III according to Fig. 2 . Also in this view one can see the arrangement of the contact element 20, which in the open state of the electrical closer 1 is still insulated by the insulation caps 16a, 16b and is arranged separately from the connecting straps 16a, 16b.
  • Fig. 4a shows a substantially cuboid contact element 20, which comprises the contact regions 24a and 24b arranged separately from one another.
  • the Contact regions 24a, b are arranged on the outer edge regions of the contact element 20 and each have the contact surfaces 26a and 26b or 26c and 26d arranged on opposite sides of the contact element 20.
  • the surface 20 ' can be seen, which in the installed state of the contact element 20 points in the direction of the receptacles 22a and 22b. Also shown is the surface normal 20a of this surface, which runs essentially parallel to the direction of displacement when the contact element 20 moves from the open position to the closed position.
  • the two surfaces 20b and 20c arranged perpendicular to surface 20a can be seen together with their respective surface normals.
  • the surface normal 20b is perpendicular to the broad surface of the contact element 20.
  • the surface normal 20c is perpendicular to the outwardly facing surface of the contact element 20.
  • Fig. 4b an embodiment of a contact element 20, in which the end of the contact element 20 facing away from the drive is tapered, in particular tapered in the form of a chisel or bolt.
  • a contact element 20 in which the end of the contact element 20 facing away from the drive is tapered, in particular tapered in the form of a chisel or bolt.
  • Such an embodiment not only has the advantage that the insulation caps 4a, 4b can be cut more easily when the drive 6 is triggered, but also allows the tapered part of the contact element 20 to be simply inserted into the recesses 22a, 22b even with given manufacturing tolerances can be the formation of a press connection between the contact element 20 and the recesses 22a, 22b of the connecting tabs 16a, 16b.
  • a press connection enables the surfaces of the components to be contacted to be at least partially freed of impurities or passivations during the production of the contacting by friction, thereby ensuring high-quality contacting.
  • the embodiment according to Fig. 4b in addition to the contact areas 24a and 24b also have a third contact area arranged between these two areas, whereby in this case not only four contact surfaces but a total of six contact areas are arranged with the contact areas 26a-f.
  • Fig. 4c finally shows an embodiment in which the contact element 20 has latching lugs and latching recesses in the contact areas 24a and 24b, which serve in particular to prevent the electric closer 1 from opening after the closer 1 has closed.
  • the contact element 20 and the recesses 22a, 22b of the connecting lugs 4a, 4b are formed in such a way that the contact element 20 preferably latches positively in the receptacle in a closed position of the closer 1.
  • corresponding locking lugs and locking recesses can be arranged not only on the contact surfaces 26a and 26c, but alternatively or cumulatively also on the contact surfaces 26b and 26d.
  • Fig. 5 finally shows a spatial view of an electric closer 1 in a closed position.
  • the contact element 20, in particular the contact areas 24a, b of the contact element 20, is arranged in the recesses 22a, 22b of the connection tabs.
  • connection tabs 4a, 4b By shorting the Connection tabs 4a, 4b make it possible to discharge residual capacities, as may be necessary in the event of an accident with a motor vehicle.
  • the insulation caps 16a, 16b have been partially severed at the connecting straps 4a, 4b, as a result of which only the shorn-off remnants of the insulating caps 16a 'and 16b' remain on the contact surfaces between the connecting straps 4a, 4b and the insulating caps 16a, 16b stay. The remaining part of the insulation caps 16a, 16b is finally arranged between the contact element 20 and the wall of the housing 12.
  • the triggering of the movement takes place in the drive unit 8.
  • a further electrical, mechanical, hydraulic or pneumatic pulse is triggered in the drive unit 8, which accelerates the displacement unit 10 together with the arranged contact element 20 in the direction of the contact area 18a, b of the connecting lugs 4a, 4b.
  • the displacement unit 10 can be designed as a sliding carriage or as a reciprocating piston which presses the contact element 20 in the direction of displacement into the receptacle.
  • the contact element 20 first breaks through the insulation caps 16a, 16b arranged between the drive 6 and the contact region 18a, b, before the contact element 20 is finally inserted into the recesses 22a, 22b of the connecting lugs 4a, 4b.
  • Fig. 6 shows a sectional view of an electric closer 1 after a section along the line IV-IV according to Fig. 5 .
  • the electrical contacting produced between the contact surfaces 26c, d of the contact element 20 and the contact surfaces 22b 'and 22b "of the connecting lug can be seen.
  • the connecting lug 4b is in the contact area 18a, b, next to the now inside the recess of the Connection tab 4b arranged contact element 20, also the part of the insulation cap 16b 'sheared off at the connection tab 4b can be seen.
  • Fig. 7 shows a sectional view of an electric closer 1 after a section along the line VII-VII according to Fig. 6 .
  • the parts of the insulation cap 16a ', 16b' sheared off at the connecting straps 4a, 4b can also be seen.
  • connection tabs With the aid of the electrical closer 1 in question, it is possible to establish a fast and high-quality electrical connection between the connection tabs in question, in order to ensure that residual capacities are discharged as quickly and safely as possible.
  • the electrical normally open contact 1 proposed here is not only electrically well insulated and mechanically fail-safe, but also enables reproducible and satisfactory contacting between the contact element and the connecting lugs.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Claims (14)

  1. Verrou électrique (1) avec
    - une première languette de raccordement (22a),
    - une deuxième languette de raccordement (22b), isolée électriquement de la première languette de raccordement,
    sachant que la première et la deuxième Languette de raccordement présentent chacune, dans une zone de contact disposée à l'intérieur d'un boitier de guidage (12), au moins un évidement (18a, 18b),
    - un entraînement (6) pour l'entraînement d'un élément de contact (20),
    - sachant que l'élément de contact (20) est disposé dans un boitier de guidage (12), entre l'entraînement (6) et la zone de contact (24a, 24b) de la languette de raccordement (4a, 4b), et peut être déplacé, par l'entraînement, d'une position d'ouverture, dans laquelle les languettes de raccordement sont isolées l'une de l'autre, dans une position de fermeture, dans laquelle les languette de raccordement sont reliées ensemble électriquement par le biais de l'élément de contact, sachant que, dans la position de fermeture, l'élément de contact est reçu dans l'évidement (18a, 18b) des languettes de raccordement,
    caractérisé en ce que
    - l'élément de contact (20), lors du déplacement des deux languettes de raccordement (22a, 22b) est conduit simultanément dans les évidements (18a, 18b) respectifs de celles-ci,
    - sachant que, dans la position de fermeture, un ajustement serré est formé entre l'élément de contact et les languettes de raccordement de sorte que, lors de l'entrée en contact de l'élément de contact et des languettes de raccordement, les surfaces (26a 26b, 26c, 26d) devant être contactées sont, au moins partiellement débarrassées de salissures ou de passivation et que l'élément de contact (20) est réalisé en tant que pièce plate, dans au moins une zone de contact, dans laquelle il est maintenu dans les évidements dans la position de fermeture.
  2. Verrou électrique (1) selon la revendication 1,
    caractérisé en ce que l'élément de contact (20) est réalisé, au moins partiellement, à partir d'un matériau conducteur de courant, de préférence au moins partiellement en matériau d'aluminium et / ou d'un matériau de cuivre et / ou que les languettes de raccordement (22a, 22b) sont réalisées, au moins partiellement à partir d'un matériau conducteur, de préférence, au moins partiellement, à partir d'un matériau de cuivre et / ou d'un matériau d'aluminium.
  3. verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que la normale à une surface de la surface de la zone de contact (24a, 24b) dans la position d'ouverture est orientée vers les évidements (18a, 18b), dans la direction essentiellement parallèle à la direction de déplacement.
  4. Verrou électrique (1) selon l'une des revendications précédentes,
    caractérisé en ce que les zones de contact (24a, 24b) sont situées à distance l'une de l'autre, en particulier que les zones de contact, en référence à un axe central de l'élément de contact s'étendant parallèlement à la direction de déplacement, sont situés à l'opposé l'une de l'autre, en particulier que la distance entre les zones de contact est sensiblement égal à la distance entre les évidements (18a, 18b).
  5. Verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que l'élément de contact (20) par rapport aux évidements (18a, 18b) des languettes de raccordement (16a, 16b) est formé et / ou dimensionné de sorte que, lors du déplacement, une liaison par engagement géométrique, en particulier par ajustement serré ou avec jeu entre l'élément de contact et les languettes de raccordement, soit réalisée.
  6. Verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que, les languettes de raccordement (16a, 16b) sont dotées chacune d'une pièce de raccordement (2a, 2b) orientée hors du boitier de guidage et d'une pièce, qui, disposée dans le boitier de guidage conduit l'élément de contact lors du déplacement, et / ou que les réceptacles sont disposés sur des côtés opposés du boitier de guidages.
  7. Verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que les évidements (18a, 18b) des languettes de raccordement et l'élément de contact (20) sont dotés de nez d'arrêt et / ou d'évidements d'arrêt, qui sont formes et dimensionnés les uns par rapport aux autres de sorte que, lors du déplacement, une liaison par engagement géométrique, en particulier une liaison par encliquetage, soit réalisée entre l'élément de contact (20) et les languettes de raccordement (4a,4b) .
  8. Verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que le boitier de guidage (12) est doté d'un canal de guidage, dans lequel l'élément de contact (20) est disposé.
  9. Verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que la zone de contact (24a, 24b) des languettes de raccordement est disposée à une première extrémité du canal de guidage et l'entraînement à une deuxième extrémité du canal de guidages (14) située à l'opposé de la première extrémité.
  10. Verrou électrique (1) selon l'une des revendications précédentes, caractérisé en ce que l'entraînement (6) est doté d'une unité d'entraînement et d'un élément de déplacement (10), en particulier que l'élément d'entraînement est un élément d'entraînement électrique, hydraulique, pyrotechnique ou un élément d'entraînement mécanique.
  11. Verrou électrique selon l'une des revendications précédentes, caractérisé en ce que l'élément de déplacement (10) est réalisé en forme de chariot de déplacement ou en forme de boulon, sachant que l'élément de contact est relié par engagement géométrique, de préférence par adhérence, en particulier par liaison de matière, à l'élément de déplacement.
  12. Verrou électrique selon l'une des revendications précédentes, caractérisé en ce que, pour l'isolation de l'élément de contact (20), entre l'élément de contact et la zone de contact (24a, 24b) des languettes de raccordement (4a, 4b), au moins un élément d'isolation est disposé, sachant que l'élément d'isolation (16) est formé de préférence par deux pièces, en particulier deux capuchons d'isolation (16a, 16b), en particulier que l'un des éléments d'isolation couvre au moins la surface de l'élément de contacts (20) orientée vers les languettes de raccordement(4a, 4b) dans la position d'ouverture.
  13. Verrou électrique selon l'une des revendications précédentes, caractérisé en ce que l'élément d'isolation (16) est réalisé à partir d'un matériau d'isolation, sachant que le matériau d'isolation est doté d'une conductibilité électrique, spécifique qui est au moins inférieure à 10-5 S·cm-1, de préférence inférieure à 10-10 S·cm-1, en particulier de préférence 10-15 S·cm-1, en particulier que le matériau d'isolation présente une rigidité diélectrique au moins supérieure à 5 kV / mm, de préférence de plus de 20 kV/mm, en particulier, de préférence, de plus de 50 kV/mm.
  14. Véhicule automobile avec une conduite de transport d'énergie et un verrou électrique (1) selon l'une des revendications 1 à 13, qui est relié à la conduite de transport d'énergie.
EP18701170.5A 2017-03-22 2018-01-23 Verrou électrique Active EP3602598B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017106117.7A DE102017106117B3 (de) 2017-03-22 2017-03-22 Elektrischer Schließer sowie KFZ mit einem elektrischen Schließer
PCT/EP2018/051570 WO2018171954A1 (fr) 2017-03-22 2018-01-23 Verrou électrique

Publications (2)

Publication Number Publication Date
EP3602598A1 EP3602598A1 (fr) 2020-02-05
EP3602598B1 true EP3602598B1 (fr) 2020-07-08

Family

ID=61022356

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Application Number Title Priority Date Filing Date
EP18701170.5A Active EP3602598B1 (fr) 2017-03-22 2018-01-23 Verrou électrique

Country Status (7)

Country Link
US (1) US10825617B2 (fr)
EP (1) EP3602598B1 (fr)
CN (1) CN110546729B (fr)
DE (1) DE102017106117B3 (fr)
ES (1) ES2807780T3 (fr)
MX (1) MX2019011228A (fr)
WO (1) WO2018171954A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019101307B3 (de) * 2019-01-18 2020-06-18 Auto-Kabel Management Gmbh Elektrischer Schließer
DE102019120496A1 (de) * 2019-07-30 2021-02-04 Lisa Dräxlmaier GmbH Anschlusselement zur elektrischen kontaktierung und verfarhen zur herstellung eines anschlusselements
WO2024103096A1 (fr) 2022-11-15 2024-05-23 Miba Emobility Gmbh Dispositif de commutation d'urgence électrique

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US1321381A (en) 1919-11-11 Xwashing-machine
DE2752638C2 (de) 1977-11-25 1986-02-20 Schaltbau GmbH, 8000 München Schnappschalter mit Doppelunterbrechung
US6839209B2 (en) * 2002-06-14 2005-01-04 Eaton Corporation Shorting switch and system to eliminate arcing faults in power distribution equipment
EP2034503B1 (fr) * 2007-09-05 2014-11-05 ABB Technology AG Installation de commutation basse tension, moyenne tension ou haute tension à court-circuiteur.
DE102008013831B4 (de) 2008-03-12 2012-01-26 Auto-Kabel Management Gmbh Trennvorrichtung zum Trennen von zumindest zwei elektrischen Stromkreisen sowie Kraftfahrzeug mit dieser
CN102005336B (zh) 2010-11-17 2013-01-30 武汉长海电气科技开发有限公司 爆炸式闭合开关
US8492672B2 (en) * 2011-08-05 2013-07-23 Eaton Corporation Insulated arc flash arrester
DE102011121958B4 (de) 2011-12-21 2014-04-17 Auto-Kabel Management Gmbh Elektrischer Schließer sowie Verwendung eines Schließers in einem Kraftfahrzeug
WO2014048495A1 (fr) 2012-09-28 2014-04-03 Autoliv Development Ab Interrupteur pyrotechnique électrique
DE202013012357U1 (de) 2013-05-21 2016-06-15 Phoenix Contact Gmbh & Co. Kg Steckbrücke mit übereinanderliegenden Blechelementen
WO2016031327A1 (fr) * 2014-08-28 2016-03-03 三菱電機株式会社 Dispositif de contact à grande vitesse et appareil de commutation équipé de celui-ci
FR3029361B1 (fr) 2014-11-28 2018-03-23 Aptiv Technologies Limited Dispositif de connexion electrique
DE102015115046A1 (de) 2015-09-08 2017-03-09 Eaton Electrical Ip Gmbh & Co. Kg Doppelunterbrecher-Kontaktsystem für ein elektrisches Schaltgerät

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Also Published As

Publication number Publication date
US10825617B2 (en) 2020-11-03
CN110546729A (zh) 2019-12-06
WO2018171954A1 (fr) 2018-09-27
ES2807780T3 (es) 2021-02-24
EP3602598A1 (fr) 2020-02-05
CN110546729B (zh) 2021-05-11
MX2019011228A (es) 2020-02-05
DE102017106117B3 (de) 2018-07-12
US20200286693A1 (en) 2020-09-10

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